--- /dev/null
+diff --git a/MAINTAINERS b/MAINTAINERS
+index df40a4e..3c5cfef 100644
+--- a/MAINTAINERS
++++ b/MAINTAINERS
+@@ -674,6 +674,13 @@ P: Haavard Skinnemoen
+ M: hskinnemoen@atmel.com
+ S: Supported
+
++ATMEL USBA UDC DRIVER
++P: Haavard Skinnemoen
++M: hskinnemoen@atmel.com
++L: kernel@avr32linux.org
++W: http://avr32linux.org/twiki/bin/view/Main/AtmelUsbDeviceDriver
++S: Supported
++
+ ATMEL WIRELESS DRIVER
+ P: Simon Kelley
+ M: simon@thekelleys.org.uk
+diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig
+index 3ec7658..ec6c7c5 100644
+--- a/arch/avr32/Kconfig
++++ b/arch/avr32/Kconfig
+@@ -113,6 +113,13 @@ config BOARD_ATNGW100
+ bool "ATNGW100 Network Gateway"
+ endchoice
+
++if BOARD_ATSTK1000
++source "arch/avr32/boards/atstk1000/Kconfig"
++endif
++if BOARD_ATNGW100
++source "arch/avr32/boards/atngw100/Kconfig"
++endif
++
+ choice
+ prompt "Boot loader type"
+ default LOADER_U_BOOT
+@@ -171,6 +178,10 @@ config OWNERSHIP_TRACE
+ enabling Nexus-compliant debuggers to keep track of the PID of the
+ currently executing task.
+
++config DW_DMAC
++ tristate "Synopsys DesignWare DMA Controller support"
++ default y if CPU_AT32AP7000
++
+ # FPU emulation goes here
+
+ source "kernel/Kconfig.hz"
+@@ -185,6 +196,27 @@ config CMDLINE
+
+ endmenu
+
++menu "Power managment options"
++
++menu "CPU Frequency scaling"
++
++source "drivers/cpufreq/Kconfig"
++
++config CPU_FREQ_AT32AP
++ bool "CPU frequency driver for AT32AP"
++ depends on CPU_FREQ && PLATFORM_AT32AP
++ default n
++ help
++ This enables the CPU frequency driver for AT32AP processors.
++
++ For details, take a look in <file:Documentation/cpu-freq>.
++
++ If in doubt, say N.
++
++endmenu
++
++endmenu
++
+ menu "Bus options"
+
+ config PCI
+diff --git a/arch/avr32/Makefile b/arch/avr32/Makefile
+index dc6bc01..eb72198 100644
+--- a/arch/avr32/Makefile
++++ b/arch/avr32/Makefile
+@@ -31,6 +31,7 @@ core-$(CONFIG_BOARD_ATNGW100) += arch/avr32/boards/atngw100/
+ core-$(CONFIG_LOADER_U_BOOT) += arch/avr32/boot/u-boot/
+ core-y += arch/avr32/kernel/
+ core-y += arch/avr32/mm/
++drivers-y += arch/avr32/drivers/
+ libs-y += arch/avr32/lib/
+
+ archincdir-$(CONFIG_PLATFORM_AT32AP) := arch-at32ap
+diff --git a/arch/avr32/boards/atngw100/Kconfig b/arch/avr32/boards/atngw100/Kconfig
+new file mode 100644
+index 0000000..5d922df
+--- /dev/null
++++ b/arch/avr32/boards/atngw100/Kconfig
+@@ -0,0 +1,12 @@
++# NGW100 customization
++
++config BOARD_ATNGW100_I2C_GPIO
++ bool "Use GPIO for i2c instead of built-in TWI module"
++ help
++ The driver for the built-in TWI module has been plagued by
++ various problems, while the i2c-gpio driver is based on the
++ trusty old i2c-algo-bit bitbanging engine, making it work
++ on pretty much any setup.
++
++ Choose 'Y' here if you're having i2c-related problems and
++ want to rule out the i2c bus driver.
+diff --git a/arch/avr32/boards/atngw100/setup.c b/arch/avr32/boards/atngw100/setup.c
+index 6c4dc0a..d649974 100644
+--- a/arch/avr32/boards/atngw100/setup.c
++++ b/arch/avr32/boards/atngw100/setup.c
+@@ -9,10 +9,12 @@
+ */
+ #include <linux/clk.h>
+ #include <linux/etherdevice.h>
++#include <linux/i2c-gpio.h>
+ #include <linux/init.h>
+ #include <linux/linkage.h>
+ #include <linux/platform_device.h>
+ #include <linux/types.h>
++#include <linux/leds.h>
+ #include <linux/spi/spi.h>
+
+ #include <asm/io.h>
+@@ -21,6 +23,7 @@
+ #include <asm/arch/at32ap7000.h>
+ #include <asm/arch/board.h>
+ #include <asm/arch/init.h>
++#include <asm/arch/portmux.h>
+
+ /* Initialized by bootloader-specific startup code. */
+ struct tag *bootloader_tags __initdata;
+@@ -39,6 +42,11 @@ static struct spi_board_info spi0_board_info[] __initdata = {
+ },
+ };
+
++static struct mci_platform_data __initdata mci0_data = {
++ .detect_pin = GPIO_PIN_PC(25),
++ .wp_pin = GPIO_PIN_PE(0),
++};
++
+ /*
+ * The next two functions should go away as the boot loader is
+ * supposed to initialize the macb address registers with a valid
+@@ -100,8 +108,46 @@ void __init setup_board(void)
+ at32_setup_serial_console(0);
+ }
+
++static const struct gpio_led ngw_leds[] = {
++ { .name = "sys", .gpio = GPIO_PIN_PA(16), .active_low = 1,
++ .default_trigger = "heartbeat",
++ },
++ { .name = "a", .gpio = GPIO_PIN_PA(19), .active_low = 1, },
++ { .name = "b", .gpio = GPIO_PIN_PE(19), .active_low = 1, },
++};
++
++static const struct gpio_led_platform_data ngw_led_data = {
++ .num_leds = ARRAY_SIZE(ngw_leds),
++ .leds = (void *) ngw_leds,
++};
++
++static struct platform_device ngw_gpio_leds = {
++ .name = "leds-gpio",
++ .id = -1,
++ .dev = {
++ .platform_data = (void *) &ngw_led_data,
++ }
++};
++
++#ifdef CONFIG_BOARD_ATNGW100_I2C_GPIO
++static struct i2c_gpio_platform_data i2c_gpio_data = {
++ .sda_pin = GPIO_PIN_PA(6),
++ .scl_pin = GPIO_PIN_PA(7),
++};
++
++static struct platform_device i2c_gpio_device = {
++ .name = "i2c-gpio",
++ .id = 0,
++ .dev = {
++ .platform_data = &i2c_gpio_data,
++ },
++};
++#endif
++
+ static int __init atngw100_init(void)
+ {
++ unsigned i;
++
+ /*
+ * ATNGW100 uses 16-bit SDRAM interface, so we don't need to
+ * reserve any pins for it.
+@@ -115,6 +161,22 @@ static int __init atngw100_init(void)
+ set_hw_addr(at32_add_device_eth(1, ð_data[1]));
+
+ at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
++ at32_add_device_mci(0, &mci0_data);
++ at32_add_device_usba(0, NULL);
++
++ for (i = 0; i < ARRAY_SIZE(ngw_leds); i++) {
++ at32_select_gpio(ngw_leds[i].gpio,
++ AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH);
++ }
++ platform_device_register(&ngw_gpio_leds);
++
++#ifdef CONFIG_BOARD_ATNGW100_I2C_GPIO
++ at32_select_gpio(i2c_gpio_data.sda_pin, 0);
++ at32_select_gpio(i2c_gpio_data.scl_pin, 0);
++ platform_device_register(&i2c_gpio_device);
++#else
++ at32_add_device_twi(0);
++#endif
+
+ return 0;
+ }
+diff --git a/arch/avr32/boards/atstk1000/Kconfig b/arch/avr32/boards/atstk1000/Kconfig
+new file mode 100644
+index 0000000..b1f5a62
+--- /dev/null
++++ b/arch/avr32/boards/atstk1000/Kconfig
+@@ -0,0 +1,91 @@
++# STK1000 customization
++
++if BOARD_ATSTK1002
++
++config BOARD_ATSTK1002_CUSTOM
++ bool "Non-default STK-1002 jumper settings"
++ help
++ You will normally leave the jumpers on the CPU card at their
++ default settings. If you need to use certain peripherals,
++ you will need to change some of those jumpers.
++
++if BOARD_ATSTK1002_CUSTOM
++
++config BOARD_ATSTK1002_SW1_CUSTOM
++ bool "SW1: use SSC1 (not SPI0)"
++ help
++ This also prevents using the external DAC as an audio interface,
++ and means you can't initialize the on-board QVGA display.
++
++config BOARD_ATSTK1002_SW2_CUSTOM
++ bool "SW2: use IRDA or TIMER0 (not UART-A, MMC/SD, and PS2-A)"
++ help
++ If you change this you'll want an updated boot loader putting
++ the console on UART-C not UART-A.
++
++config BOARD_ATSTK1002_SW3_CUSTOM
++ bool "SW3: use TIMER1 (not SSC0 and GCLK)"
++ help
++ This also prevents using the external DAC as an audio interface.
++
++config BOARD_ATSTK1002_SW4_CUSTOM
++ bool "SW4: use ISI/Camera (not GPIOs, SPI1, and PS2-B)"
++ help
++ To use the camera interface you'll need a custom card (on the
++ PCI-format connector) connect a video sensor.
++
++config BOARD_ATSTK1002_SW5_CUSTOM
++ bool "SW5: use MACB1 (not LCDC)"
++
++config BOARD_ATSTK1002_SW6_CUSTOM
++ bool "SW6: more GPIOs (not MACB0)"
++
++endif # custom
++
++config BOARD_ATSTK1002_SPI1
++ bool "Configure SPI1 controller"
++ depends on !BOARD_ATSTK1002_SW4_CUSTOM
++ help
++ All the signals for the second SPI controller are available on
++ GPIO lines and accessed through the J1 jumper block. Say "y"
++ here to configure that SPI controller.
++
++config BOARD_ATSTK1002_J2_LED
++ bool
++ default BOARD_ATSTK1002_J2_LED8 || BOARD_ATSTK1002_J2_RGB
++
++choice
++ prompt "LEDs connected to J2:"
++ depends on LEDS_GPIO && !BOARD_ATSTK1002_SW4_CUSTOM
++ optional
++ help
++ Select this if you have jumpered the J2 jumper block to the
++ LED0..LED7 amber leds, or to the RGB leds, using a ten-pin
++ IDC cable. A default "heartbeat" trigger is provided, but
++ you can of course override this.
++
++config BOARD_ATSTK1002_J2_LED8
++ bool "LED0..LED7"
++ help
++ Select this if J2 is jumpered to LED0..LED7 amber leds.
++
++config BOARD_ATSTK1002_J2_RGB
++ bool "RGB leds"
++ help
++ Select this if J2 is jumpered to the RGB leds.
++
++endchoice
++
++config BOARD_ATSTK1002_ENABLE_AC97
++ bool "Use AC97C instead of ABDAC"
++ help
++ Select this if you want to use the built-in AC97 controller
++ instead of the built-in Audio Bitstream DAC. These share
++ the same I/O pins on the AP7000, so both can't be enabled
++ at the same time.
++
++ Note that the STK1000/STK1002 kit doesn't ship with an AC97
++ codec on board, so say N unless you've got an expansion
++ board with an AC97 codec on it that you want to use.
++
++endif # stk 1002
+diff --git a/arch/avr32/boards/atstk1000/atstk1002.c b/arch/avr32/boards/atstk1000/atstk1002.c
+index e253e86..9a0f875 100644
+--- a/arch/avr32/boards/atstk1000/atstk1002.c
++++ b/arch/avr32/boards/atstk1000/atstk1002.c
+@@ -11,10 +11,12 @@
+ #include <linux/etherdevice.h>
+ #include <linux/init.h>
+ #include <linux/kernel.h>
++#include <linux/leds.h>
+ #include <linux/platform_device.h>
+ #include <linux/string.h>
+ #include <linux/types.h>
+ #include <linux/spi/spi.h>
++#include <linux/spi/at73c213.h>
+
+ #include <video/atmel_lcdc.h>
+
+@@ -27,16 +29,47 @@
+
+ #include "atstk1000.h"
+
+-#define SW2_DEFAULT /* MMCI and UART_A available */
+
+ struct eth_addr {
+ u8 addr[6];
+ };
+
+ static struct eth_addr __initdata hw_addr[2];
+-static struct eth_platform_data __initdata eth_data[2];
++static struct eth_platform_data __initdata eth_data[2] = {
++ {
++ /*
++ * The MDIO pullups on STK1000 are a bit too weak for
++ * the autodetection to work properly, so we have to
++ * mask out everything but the correct address.
++ */
++ .phy_mask = ~(1U << 16),
++ },
++ {
++ .phy_mask = ~(1U << 17),
++ },
++};
++
++#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM
++#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM
++static struct at73c213_board_info at73c213_data = {
++ .ssc_id = 0,
++ .shortname = "AVR32 STK1000 external DAC",
++};
++#endif
++#endif
+
++#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM
+ static struct spi_board_info spi0_board_info[] __initdata = {
++#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM
++ {
++ /* AT73C213 */
++ .modalias = "at73c213",
++ .max_speed_hz = 200000,
++ .chip_select = 0,
++ .mode = SPI_MODE_1,
++ .platform_data = &at73c213_data,
++ },
++#endif
+ {
+ /* QVGA display */
+ .modalias = "ltv350qv",
+@@ -45,6 +78,18 @@ static struct spi_board_info spi0_board_info[] __initdata = {
+ .mode = SPI_MODE_3,
+ },
+ };
++#endif
++
++#ifdef CONFIG_BOARD_ATSTK1002_SPI1
++static struct spi_board_info spi1_board_info[] __initdata = { {
++ /* patch in custom entries here */
++} };
++#endif
++
++static struct mci_platform_data __initdata mci0_data = {
++ .detect_pin = GPIO_PIN_NONE,
++ .wp_pin = GPIO_PIN_NONE,
++};
+
+ /*
+ * The next two functions should go away as the boot loader is
+@@ -101,12 +146,103 @@ static void __init set_hw_addr(struct platform_device *pdev)
+ clk_put(pclk);
+ }
+
+-void __init setup_board(void)
++#ifdef CONFIG_BOARD_ATSTK1002_J2_LED
++
++static struct gpio_led stk_j2_led[] = {
++#ifdef CONFIG_BOARD_ATSTK1002_J2_LED8
++#define LEDSTRING "J2 jumpered to LED8"
++ { .name = "led0:amber", .gpio = GPIO_PIN_PB( 8), },
++ { .name = "led1:amber", .gpio = GPIO_PIN_PB( 9), },
++ { .name = "led2:amber", .gpio = GPIO_PIN_PB(10), },
++ { .name = "led3:amber", .gpio = GPIO_PIN_PB(13), },
++ { .name = "led4:amber", .gpio = GPIO_PIN_PB(14), },
++ { .name = "led5:amber", .gpio = GPIO_PIN_PB(15), },
++ { .name = "led6:amber", .gpio = GPIO_PIN_PB(16), },
++ { .name = "led7:amber", .gpio = GPIO_PIN_PB(30),
++ .default_trigger = "heartbeat", },
++#else /* RGB */
++#define LEDSTRING "J2 jumpered to RGB LEDs"
++ { .name = "r1:red", .gpio = GPIO_PIN_PB( 8), },
++ { .name = "g1:green", .gpio = GPIO_PIN_PB(10), },
++ { .name = "b1:blue", .gpio = GPIO_PIN_PB(14), },
++
++ { .name = "r2:red", .gpio = GPIO_PIN_PB( 9),
++ .default_trigger = "heartbeat", },
++ { .name = "g2:green", .gpio = GPIO_PIN_PB(13), },
++ { .name = "b2:blue", .gpio = GPIO_PIN_PB(15),
++ .default_trigger = "heartbeat", },
++ /* PB16, PB30 unused */
++#endif
++};
++
++static struct gpio_led_platform_data stk_j2_led_data = {
++ .num_leds = ARRAY_SIZE(stk_j2_led),
++ .leds = stk_j2_led,
++};
++
++static struct platform_device stk_j2_led_dev = {
++ .name = "leds-gpio",
++ .id = 2, /* gpio block J2 */
++ .dev = {
++ .platform_data = &stk_j2_led_data,
++ },
++};
++
++static void setup_j2_leds(void)
+ {
+-#ifdef SW2_DEFAULT
+- at32_map_usart(1, 0); /* USART 1/A: /dev/ttyS0, DB9 */
++ unsigned i;
++
++ for (i = 0; i < ARRAY_SIZE(stk_j2_led); i++)
++ at32_select_gpio(stk_j2_led[i].gpio, AT32_GPIOF_OUTPUT);
++
++ printk("STK1002: " LEDSTRING "\n");
++ platform_device_register(&stk_j2_led_dev);
++}
++
+ #else
++static void setup_j2_leds(void)
++{
++}
++#endif
++
++#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM
++#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM
++static void __init at73c213_set_clk(struct at73c213_board_info *info)
++{
++ struct clk *gclk;
++ struct clk *pll;
++
++ gclk = clk_get(NULL, "gclk0");
++ if (IS_ERR(gclk))
++ goto err_gclk;
++ pll = clk_get(NULL, "pll0");
++ if (IS_ERR(pll))
++ goto err_pll;
++
++ if (clk_set_parent(gclk, pll)) {
++ pr_debug("STK1000: failed to set pll0 as parent for DAC clock\n");
++ goto err_set_clk;
++ }
++
++ at32_select_periph(GPIO_PIN_PA(30), GPIO_PERIPH_A, 0);
++ info->dac_clk = gclk;
++
++err_set_clk:
++ clk_put(pll);
++err_pll:
++ clk_put(gclk);
++err_gclk:
++ return;
++}
++#endif
++#endif
++
++void __init setup_board(void)
++{
++#ifdef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM
+ at32_map_usart(0, 1); /* USART 0/B: /dev/ttyS1, IRDA */
++#else
++ at32_map_usart(1, 0); /* USART 1/A: /dev/ttyS0, DB9 */
+ #endif
+ /* USART 2/unused: expansion connector */
+ at32_map_usart(3, 2); /* USART 3/C: /dev/ttyS2, DB9 */
+@@ -140,18 +276,50 @@ static int __init atstk1002_init(void)
+
+ at32_add_system_devices();
+
+-#ifdef SW2_DEFAULT
+- at32_add_device_usart(0);
+-#else
++#ifdef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM
+ at32_add_device_usart(1);
++#else
++ at32_add_device_usart(0);
+ #endif
+ at32_add_device_usart(2);
+
++#ifndef CONFIG_BOARD_ATSTK1002_SW6_CUSTOM
+ set_hw_addr(at32_add_device_eth(0, ð_data[0]));
+-
+- at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
++#endif
++#ifdef CONFIG_BOARD_ATSTK1002_SW5_CUSTOM
++ set_hw_addr(at32_add_device_eth(1, ð_data[1]));
++#else
+ at32_add_device_lcdc(0, &atstk1000_lcdc_data,
+ fbmem_start, fbmem_size);
++#endif
++
++#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM
++ at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
++#endif
++#ifdef CONFIG_BOARD_ATSTK1002_SPI1
++ at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
++#endif
++ at32_add_device_twi(0);
++#ifndef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM
++ at32_add_device_mci(0, &mci0_data);
++#endif
++ at32_add_device_usba(0, NULL);
++#ifdef CONFIG_BOARD_ATSTK1002_ENABLE_AC97
++ at32_add_device_ac97c(0);
++#else
++ at32_add_device_abdac(0);
++#endif
++#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM
++ at32_add_device_ssc(0, ATMEL_SSC_TX);
++#endif
++
++ setup_j2_leds();
++
++#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM
++#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM
++ at73c213_set_clk(&at73c213_data);
++#endif
++#endif
+
+ return 0;
+ }
+diff --git a/arch/avr32/configs/atngw100_defconfig b/arch/avr32/configs/atngw100_defconfig
+index 49493ad..adce168 100644
+--- a/arch/avr32/configs/atngw100_defconfig
++++ b/arch/avr32/configs/atngw100_defconfig
+@@ -1,7 +1,7 @@
+ #
+ # Automatically generated make config: don't edit
+-# Linux kernel version: 2.6.22-rc5
+-# Sat Jun 23 15:40:05 2007
++# Linux kernel version: 2.6.22.atmel.1
++# Thu Jul 12 17:49:20 2007
+ #
+ CONFIG_AVR32=y
+ CONFIG_GENERIC_GPIO=y
+@@ -114,6 +114,7 @@ CONFIG_PLATFORM_AT32AP=y
+ CONFIG_CPU_AT32AP7000=y
+ # CONFIG_BOARD_ATSTK1000 is not set
+ CONFIG_BOARD_ATNGW100=y
++# CONFIG_BOARD_ATNGW100_I2C_GPIO is not set
+ CONFIG_LOADER_U_BOOT=y
+
+ #
+@@ -122,6 +123,7 @@ CONFIG_LOADER_U_BOOT=y
+ # CONFIG_AP7000_32_BIT_SMC is not set
+ CONFIG_AP7000_16_BIT_SMC=y
+ # CONFIG_AP7000_8_BIT_SMC is not set
++CONFIG_GPIO_DEV=y
+ CONFIG_LOAD_ADDRESS=0x10000000
+ CONFIG_ENTRY_ADDRESS=0x90000000
+ CONFIG_PHYS_OFFSET=0x10000000
+@@ -145,6 +147,7 @@ CONFIG_SPLIT_PTLOCK_CPUS=4
+ # CONFIG_RESOURCES_64BIT is not set
+ CONFIG_ZONE_DMA_FLAG=0
+ # CONFIG_OWNERSHIP_TRACE is not set
++CONFIG_DW_DMAC=y
+ # CONFIG_HZ_100 is not set
+ CONFIG_HZ_250=y
+ # CONFIG_HZ_300 is not set
+@@ -153,6 +156,27 @@ CONFIG_HZ=250
+ CONFIG_CMDLINE=""
+
+ #
++# Power managment options
++#
++
++#
++# CPU Frequency scaling
++#
++CONFIG_CPU_FREQ=y
++CONFIG_CPU_FREQ_TABLE=y
++# CONFIG_CPU_FREQ_DEBUG is not set
++CONFIG_CPU_FREQ_STAT=m
++# CONFIG_CPU_FREQ_STAT_DETAILS is not set
++CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
++# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
++CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
++CONFIG_CPU_FREQ_GOV_POWERSAVE=y
++CONFIG_CPU_FREQ_GOV_USERSPACE=y
++CONFIG_CPU_FREQ_GOV_ONDEMAND=y
++# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set
++CONFIG_CPU_FREQ_AT32AP=y
++
++#
+ # Bus options
+ #
+ # CONFIG_ARCH_SUPPORTS_MSI is not set
+@@ -187,13 +211,8 @@ CONFIG_NET_KEY=y
+ # CONFIG_NET_KEY_MIGRATE is not set
+ CONFIG_INET=y
+ CONFIG_IP_MULTICAST=y
+-CONFIG_IP_ADVANCED_ROUTER=y
+-CONFIG_ASK_IP_FIB_HASH=y
+-# CONFIG_IP_FIB_TRIE is not set
++# CONFIG_IP_ADVANCED_ROUTER is not set
+ CONFIG_IP_FIB_HASH=y
+-# CONFIG_IP_MULTIPLE_TABLES is not set
+-# CONFIG_IP_ROUTE_MULTIPATH is not set
+-# CONFIG_IP_ROUTE_VERBOSE is not set
+ CONFIG_IP_PNP=y
+ CONFIG_IP_PNP_DHCP=y
+ # CONFIG_IP_PNP_BOOTP is not set
+@@ -240,6 +259,7 @@ CONFIG_IPV6_SIT=y
+ # CONFIG_NETWORK_SECMARK is not set
+ CONFIG_NETFILTER=y
+ # CONFIG_NETFILTER_DEBUG is not set
++CONFIG_BRIDGE_NETFILTER=y
+
+ #
+ # Core Netfilter Configuration
+@@ -284,6 +304,7 @@ CONFIG_NETFILTER_XT_MATCH_MAC=m
+ CONFIG_NETFILTER_XT_MATCH_MARK=m
+ CONFIG_NETFILTER_XT_MATCH_POLICY=m
+ CONFIG_NETFILTER_XT_MATCH_MULTIPORT=m
++# CONFIG_NETFILTER_XT_MATCH_PHYSDEV is not set
+ CONFIG_NETFILTER_XT_MATCH_PKTTYPE=m
+ CONFIG_NETFILTER_XT_MATCH_QUOTA=m
+ CONFIG_NETFILTER_XT_MATCH_REALM=m
+@@ -359,13 +380,19 @@ CONFIG_IP6_NF_TARGET_REJECT=m
+ CONFIG_IP6_NF_MANGLE=m
+ CONFIG_IP6_NF_TARGET_HL=m
+ CONFIG_IP6_NF_RAW=m
++
++#
++# Bridge: Netfilter Configuration
++#
++# CONFIG_BRIDGE_NF_EBTABLES is not set
+ # CONFIG_IP_DCCP is not set
+ # CONFIG_IP_SCTP is not set
+ # CONFIG_TIPC is not set
+ # CONFIG_ATM is not set
+-# CONFIG_BRIDGE is not set
++CONFIG_BRIDGE=m
+ CONFIG_VLAN_8021Q=m
+ # CONFIG_DECNET is not set
++CONFIG_LLC=m
+ # CONFIG_LLC2 is not set
+ # CONFIG_IPX is not set
+ # CONFIG_ATALK is not set
+@@ -521,7 +548,6 @@ CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
+ #
+ # Misc devices
+ #
+-# CONFIG_BLINK is not set
+ # CONFIG_IDE is not set
+
+ #
+@@ -545,13 +571,26 @@ CONFIG_NETDEVICES=y
+ # CONFIG_BONDING is not set
+ # CONFIG_EQUALIZER is not set
+ CONFIG_TUN=m
+-# CONFIG_PHYLIB is not set
++CONFIG_PHYLIB=y
++
++#
++# MII PHY device drivers
++#
++# CONFIG_MARVELL_PHY is not set
++# CONFIG_DAVICOM_PHY is not set
++# CONFIG_QSEMI_PHY is not set
++# CONFIG_LXT_PHY is not set
++# CONFIG_CICADA_PHY is not set
++# CONFIG_VITESSE_PHY is not set
++# CONFIG_SMSC_PHY is not set
++# CONFIG_BROADCOM_PHY is not set
++# CONFIG_FIXED_PHY is not set
+
+ #
+ # Ethernet (10 or 100Mbit)
+ #
+ CONFIG_NET_ETHERNET=y
+-CONFIG_MII=y
++# CONFIG_MII is not set
+ CONFIG_MACB=y
+ # CONFIG_NETDEV_1000 is not set
+ # CONFIG_NETDEV_10000 is not set
+@@ -625,7 +664,15 @@ CONFIG_UNIX98_PTYS=y
+ # IPMI
+ #
+ # CONFIG_IPMI_HANDLER is not set
+-# CONFIG_WATCHDOG is not set
++CONFIG_WATCHDOG=y
++# CONFIG_WATCHDOG_NOWAYOUT is not set
++
++#
++# Watchdog Device Drivers
++#
++# CONFIG_SOFT_WATCHDOG is not set
++CONFIG_AT32AP700X_WDT=y
++CONFIG_AT32AP700X_WDT_TIMEOUT=2
+ # CONFIG_HW_RANDOM is not set
+ # CONFIG_RTC is not set
+ # CONFIG_GEN_RTC is not set
+@@ -636,7 +683,42 @@ CONFIG_UNIX98_PTYS=y
+ # TPM devices
+ #
+ # CONFIG_TCG_TPM is not set
+-# CONFIG_I2C is not set
++CONFIG_I2C=m
++CONFIG_I2C_BOARDINFO=y
++CONFIG_I2C_CHARDEV=m
++
++#
++# I2C Algorithms
++#
++CONFIG_I2C_ALGOBIT=m
++# CONFIG_I2C_ALGOPCF is not set
++# CONFIG_I2C_ALGOPCA is not set
++
++#
++# I2C Hardware Bus support
++#
++CONFIG_I2C_ATMELTWI=m
++CONFIG_I2C_ATMELTWI_BAUDRATE=100000
++CONFIG_I2C_GPIO=m
++# CONFIG_I2C_OCORES is not set
++# CONFIG_I2C_PARPORT_LIGHT is not set
++# CONFIG_I2C_SIMTEC is not set
++# CONFIG_I2C_STUB is not set
++
++#
++# Miscellaneous I2C Chip support
++#
++# CONFIG_SENSORS_DS1337 is not set
++# CONFIG_SENSORS_DS1374 is not set
++# CONFIG_SENSORS_EEPROM is not set
++# CONFIG_SENSORS_PCF8574 is not set
++# CONFIG_SENSORS_PCA9539 is not set
++# CONFIG_SENSORS_PCF8591 is not set
++# CONFIG_SENSORS_MAX6875 is not set
++# CONFIG_I2C_DEBUG_CORE is not set
++# CONFIG_I2C_DEBUG_ALGO is not set
++# CONFIG_I2C_DEBUG_BUS is not set
++# CONFIG_I2C_DEBUG_CHIP is not set
+
+ #
+ # SPI support
+@@ -655,7 +737,7 @@ CONFIG_SPI_ATMEL=y
+ # SPI Protocol Masters
+ #
+ # CONFIG_SPI_AT25 is not set
+-# CONFIG_SPI_SPIDEV is not set
++CONFIG_SPI_SPIDEV=m
+
+ #
+ # Dallas's 1-wire bus
+@@ -706,21 +788,59 @@ CONFIG_SPI_ATMEL=y
+ #
+ # USB Gadget Support
+ #
+-# CONFIG_USB_GADGET is not set
+-# CONFIG_MMC is not set
++CONFIG_USB_GADGET=y
++# CONFIG_USB_GADGET_DEBUG_FILES is not set
++CONFIG_USB_GADGET_SELECTED=y
++# CONFIG_USB_GADGET_FSL_USB2 is not set
++# CONFIG_USB_GADGET_NET2280 is not set
++# CONFIG_USB_GADGET_PXA2XX is not set
++# CONFIG_USB_GADGET_GOKU is not set
++# CONFIG_USB_GADGET_LH7A40X is not set
++CONFIG_USB_GADGET_ATMEL_USBA=y
++CONFIG_USB_ATMEL_USBA=y
++# CONFIG_USB_GADGET_OMAP is not set
++# CONFIG_USB_GADGET_AT91 is not set
++# CONFIG_USB_GADGET_DUMMY_HCD is not set
++CONFIG_USB_GADGET_DUALSPEED=y
++CONFIG_USB_ZERO=m
++CONFIG_USB_ETH=m
++CONFIG_USB_ETH_RNDIS=y
++CONFIG_USB_GADGETFS=m
++CONFIG_USB_FILE_STORAGE=m
++# CONFIG_USB_FILE_STORAGE_TEST is not set
++CONFIG_USB_G_SERIAL=m
++# CONFIG_USB_MIDI_GADGET is not set
++CONFIG_MMC=y
++# CONFIG_MMC_DEBUG is not set
++# CONFIG_MMC_UNSAFE_RESUME is not set
++
++#
++# MMC/SD Card Drivers
++#
++CONFIG_MMC_BLOCK=y
++
++#
++# MMC/SD Host Controller Drivers
++#
++CONFIG_MMC_ATMELMCI=y
+
+ #
+ # LED devices
+ #
+-# CONFIG_NEW_LEDS is not set
++CONFIG_NEW_LEDS=y
++CONFIG_LEDS_CLASS=y
+
+ #
+ # LED drivers
+ #
++CONFIG_LEDS_GPIO=y
+
+ #
+ # LED Triggers
+ #
++CONFIG_LEDS_TRIGGERS=y
++CONFIG_LEDS_TRIGGER_TIMER=y
++CONFIG_LEDS_TRIGGER_HEARTBEAT=y
+
+ #
+ # InfiniBand support
+@@ -733,7 +853,51 @@ CONFIG_SPI_ATMEL=y
+ #
+ # Real Time Clock
+ #
+-# CONFIG_RTC_CLASS is not set
++CONFIG_RTC_LIB=y
++CONFIG_RTC_CLASS=y
++CONFIG_RTC_HCTOSYS=y
++CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
++# CONFIG_RTC_DEBUG is not set
++
++#
++# RTC interfaces
++#
++CONFIG_RTC_INTF_SYSFS=y
++CONFIG_RTC_INTF_PROC=y
++CONFIG_RTC_INTF_DEV=y
++# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
++# CONFIG_RTC_DRV_TEST is not set
++
++#
++# I2C RTC drivers
++#
++# CONFIG_RTC_DRV_DS1307 is not set
++# CONFIG_RTC_DRV_DS1672 is not set
++# CONFIG_RTC_DRV_MAX6900 is not set
++# CONFIG_RTC_DRV_RS5C372 is not set
++# CONFIG_RTC_DRV_ISL1208 is not set
++# CONFIG_RTC_DRV_X1205 is not set
++# CONFIG_RTC_DRV_PCF8563 is not set
++# CONFIG_RTC_DRV_PCF8583 is not set
++
++#
++# SPI RTC drivers
++#
++# CONFIG_RTC_DRV_RS5C348 is not set
++# CONFIG_RTC_DRV_MAX6902 is not set
++
++#
++# Platform RTC drivers
++#
++# CONFIG_RTC_DRV_DS1553 is not set
++# CONFIG_RTC_DRV_DS1742 is not set
++# CONFIG_RTC_DRV_M48T86 is not set
++# CONFIG_RTC_DRV_V3020 is not set
++
++#
++# on-CPU RTC drivers
++#
++CONFIG_RTC_DRV_AT32AP700X=y
+
+ #
+ # DMA Engine support
+@@ -767,7 +931,8 @@ CONFIG_JBD=y
+ # CONFIG_OCFS2_FS is not set
+ # CONFIG_MINIX_FS is not set
+ # CONFIG_ROMFS_FS is not set
+-# CONFIG_INOTIFY is not set
++CONFIG_INOTIFY=y
++CONFIG_INOTIFY_USER=y
+ # CONFIG_QUOTA is not set
+ # CONFIG_DNOTIFY is not set
+ # CONFIG_AUTOFS_FS is not set
+@@ -922,7 +1087,7 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+ CONFIG_ENABLE_MUST_CHECK=y
+ CONFIG_MAGIC_SYSRQ=y
+ # CONFIG_UNUSED_SYMBOLS is not set
+-# CONFIG_DEBUG_FS is not set
++CONFIG_DEBUG_FS=y
+ # CONFIG_HEADERS_CHECK is not set
+ CONFIG_DEBUG_KERNEL=y
+ # CONFIG_DEBUG_SHIRQ is not set
+diff --git a/arch/avr32/configs/atstk1002_defconfig b/arch/avr32/configs/atstk1002_defconfig
+index 3b977fd..3708066 100644
+--- a/arch/avr32/configs/atstk1002_defconfig
++++ b/arch/avr32/configs/atstk1002_defconfig
+@@ -1,7 +1,7 @@
+ #
+ # Automatically generated make config: don't edit
+-# Linux kernel version: 2.6.22-rc5
+-# Sat Jun 23 15:32:08 2007
++# Linux kernel version: 2.6.22.atmel.2
++# Thu Jul 19 13:46:47 2007
+ #
+ CONFIG_AVR32=y
+ CONFIG_GENERIC_GPIO=y
+@@ -80,10 +80,10 @@ CONFIG_BASE_SMALL=1
+ #
+ CONFIG_MODULES=y
+ CONFIG_MODULE_UNLOAD=y
+-# CONFIG_MODULE_FORCE_UNLOAD is not set
++CONFIG_MODULE_FORCE_UNLOAD=y
+ # CONFIG_MODVERSIONS is not set
+ # CONFIG_MODULE_SRCVERSION_ALL is not set
+-# CONFIG_KMOD is not set
++CONFIG_KMOD=y
+
+ #
+ # Block layer
+@@ -99,12 +99,12 @@ CONFIG_BLOCK=y
+ CONFIG_IOSCHED_NOOP=y
+ # CONFIG_IOSCHED_AS is not set
+ # CONFIG_IOSCHED_DEADLINE is not set
+-# CONFIG_IOSCHED_CFQ is not set
++CONFIG_IOSCHED_CFQ=y
+ # CONFIG_DEFAULT_AS is not set
+ # CONFIG_DEFAULT_DEADLINE is not set
+-# CONFIG_DEFAULT_CFQ is not set
+-CONFIG_DEFAULT_NOOP=y
+-CONFIG_DEFAULT_IOSCHED="noop"
++CONFIG_DEFAULT_CFQ=y
++# CONFIG_DEFAULT_NOOP is not set
++CONFIG_DEFAULT_IOSCHED="cfq"
+
+ #
+ # System Type and features
+@@ -117,6 +117,11 @@ CONFIG_CPU_AT32AP7000=y
+ CONFIG_BOARD_ATSTK1002=y
+ CONFIG_BOARD_ATSTK1000=y
+ # CONFIG_BOARD_ATNGW100 is not set
++# CONFIG_BOARD_ATSTK1002_CUSTOM is not set
++# CONFIG_BOARD_ATSTK1002_SPI1 is not set
++# CONFIG_BOARD_ATSTK1002_J2_LED is not set
++# CONFIG_BOARD_ATSTK1002_J2_LED8 is not set
++# CONFIG_BOARD_ATSTK1002_J2_RGB is not set
+ CONFIG_LOADER_U_BOOT=y
+
+ #
+@@ -125,6 +130,7 @@ CONFIG_LOADER_U_BOOT=y
+ # CONFIG_AP7000_32_BIT_SMC is not set
+ CONFIG_AP7000_16_BIT_SMC=y
+ # CONFIG_AP7000_8_BIT_SMC is not set
++CONFIG_GPIO_DEV=y
+ CONFIG_LOAD_ADDRESS=0x10000000
+ CONFIG_ENTRY_ADDRESS=0x90000000
+ CONFIG_PHYS_OFFSET=0x10000000
+@@ -148,6 +154,7 @@ CONFIG_SPLIT_PTLOCK_CPUS=4
+ # CONFIG_RESOURCES_64BIT is not set
+ CONFIG_ZONE_DMA_FLAG=0
+ # CONFIG_OWNERSHIP_TRACE is not set
++CONFIG_DW_DMAC=y
+ # CONFIG_HZ_100 is not set
+ CONFIG_HZ_250=y
+ # CONFIG_HZ_300 is not set
+@@ -156,6 +163,27 @@ CONFIG_HZ=250
+ CONFIG_CMDLINE=""
+
+ #
++# Power managment options
++#
++
++#
++# CPU Frequency scaling
++#
++CONFIG_CPU_FREQ=y
++CONFIG_CPU_FREQ_TABLE=y
++# CONFIG_CPU_FREQ_DEBUG is not set
++CONFIG_CPU_FREQ_STAT=m
++# CONFIG_CPU_FREQ_STAT_DETAILS is not set
++CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
++# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
++CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
++CONFIG_CPU_FREQ_GOV_POWERSAVE=y
++CONFIG_CPU_FREQ_GOV_USERSPACE=y
++CONFIG_CPU_FREQ_GOV_ONDEMAND=y
++# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set
++CONFIG_CPU_FREQ_AT32AP=y
++
++#
+ # Bus options
+ #
+ # CONFIG_ARCH_SUPPORTS_MSI is not set
+@@ -327,6 +355,8 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=2
+ #
+ # Self-contained MTD device drivers
+ #
++CONFIG_MTD_DATAFLASH=m
++# CONFIG_MTD_M25P80 is not set
+ # CONFIG_MTD_SLRAM is not set
+ # CONFIG_MTD_PHRAM is not set
+ # CONFIG_MTD_MTDRAM is not set
+@@ -373,7 +403,7 @@ CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
+ #
+ # Misc devices
+ #
+-# CONFIG_BLINK is not set
++CONFIG_ATMEL_SSC=m
+ # CONFIG_IDE is not set
+
+ #
+@@ -397,13 +427,26 @@ CONFIG_DUMMY=y
+ # CONFIG_BONDING is not set
+ # CONFIG_EQUALIZER is not set
+ CONFIG_TUN=m
+-# CONFIG_PHYLIB is not set
++CONFIG_PHYLIB=y
++
++#
++# MII PHY device drivers
++#
++# CONFIG_MARVELL_PHY is not set
++# CONFIG_DAVICOM_PHY is not set
++# CONFIG_QSEMI_PHY is not set
++CONFIG_LXT_PHY=y
++# CONFIG_CICADA_PHY is not set
++# CONFIG_VITESSE_PHY is not set
++# CONFIG_SMSC_PHY is not set
++# CONFIG_BROADCOM_PHY is not set
++# CONFIG_FIXED_PHY is not set
+
+ #
+ # Ethernet (10 or 100Mbit)
+ #
+ CONFIG_NET_ETHERNET=y
+-CONFIG_MII=y
++# CONFIG_MII is not set
+ CONFIG_MACB=y
+ # CONFIG_NETDEV_1000 is not set
+ # CONFIG_NETDEV_10000 is not set
+@@ -443,7 +486,42 @@ CONFIG_SLHC=m
+ #
+ # Input device support
+ #
+-# CONFIG_INPUT is not set
++CONFIG_INPUT=m
++# CONFIG_INPUT_FF_MEMLESS is not set
++CONFIG_INPUT_POLLDEV=m
++
++#
++# Userland interfaces
++#
++CONFIG_INPUT_MOUSEDEV=m
++CONFIG_INPUT_MOUSEDEV_PSAUX=y
++CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
++CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
++# CONFIG_INPUT_JOYDEV is not set
++# CONFIG_INPUT_TSDEV is not set
++# CONFIG_INPUT_EVDEV is not set
++# CONFIG_INPUT_EVBUG is not set
++
++#
++# Input Device Drivers
++#
++CONFIG_INPUT_KEYBOARD=y
++# CONFIG_KEYBOARD_ATKBD is not set
++# CONFIG_KEYBOARD_SUNKBD is not set
++# CONFIG_KEYBOARD_LKKBD is not set
++# CONFIG_KEYBOARD_XTKBD is not set
++# CONFIG_KEYBOARD_NEWTON is not set
++# CONFIG_KEYBOARD_STOWAWAY is not set
++CONFIG_KEYBOARD_GPIO=m
++CONFIG_INPUT_MOUSE=y
++# CONFIG_MOUSE_PS2 is not set
++# CONFIG_MOUSE_SERIAL is not set
++# CONFIG_MOUSE_VSXXXAA is not set
++CONFIG_MOUSE_GPIO=m
++# CONFIG_INPUT_JOYSTICK is not set
++# CONFIG_INPUT_TABLET is not set
++# CONFIG_INPUT_TOUCHSCREEN is not set
++# CONFIG_INPUT_MISC is not set
+
+ #
+ # Hardware I/O ports
+@@ -477,7 +555,15 @@ CONFIG_UNIX98_PTYS=y
+ # IPMI
+ #
+ # CONFIG_IPMI_HANDLER is not set
+-# CONFIG_WATCHDOG is not set
++CONFIG_WATCHDOG=y
++# CONFIG_WATCHDOG_NOWAYOUT is not set
++
++#
++# Watchdog Device Drivers
++#
++# CONFIG_SOFT_WATCHDOG is not set
++CONFIG_AT32AP700X_WDT=y
++CONFIG_AT32AP700X_WDT_TIMEOUT=2
+ # CONFIG_HW_RANDOM is not set
+ # CONFIG_RTC is not set
+ # CONFIG_GEN_RTC is not set
+@@ -488,13 +574,61 @@ CONFIG_UNIX98_PTYS=y
+ # TPM devices
+ #
+ # CONFIG_TCG_TPM is not set
+-# CONFIG_I2C is not set
++CONFIG_I2C=m
++CONFIG_I2C_BOARDINFO=y
++CONFIG_I2C_CHARDEV=m
++
++#
++# I2C Algorithms
++#
++CONFIG_I2C_ALGOBIT=m
++# CONFIG_I2C_ALGOPCF is not set
++# CONFIG_I2C_ALGOPCA is not set
++
++#
++# I2C Hardware Bus support
++#
++CONFIG_I2C_ATMELTWI=m
++CONFIG_I2C_ATMELTWI_BAUDRATE=100000
++CONFIG_I2C_GPIO=m
++# CONFIG_I2C_OCORES is not set
++# CONFIG_I2C_PARPORT_LIGHT is not set
++# CONFIG_I2C_SIMTEC is not set
++# CONFIG_I2C_STUB is not set
++
++#
++# Miscellaneous I2C Chip support
++#
++# CONFIG_SENSORS_DS1337 is not set
++# CONFIG_SENSORS_DS1374 is not set
++# CONFIG_SENSORS_EEPROM is not set
++# CONFIG_SENSORS_PCF8574 is not set
++# CONFIG_SENSORS_PCA9539 is not set
++# CONFIG_SENSORS_PCF8591 is not set
++# CONFIG_SENSORS_MAX6875 is not set
++# CONFIG_I2C_DEBUG_CORE is not set
++# CONFIG_I2C_DEBUG_ALGO is not set
++# CONFIG_I2C_DEBUG_BUS is not set
++# CONFIG_I2C_DEBUG_CHIP is not set
+
+ #
+ # SPI support
+ #
+-# CONFIG_SPI is not set
+-# CONFIG_SPI_MASTER is not set
++CONFIG_SPI=y
++# CONFIG_SPI_DEBUG is not set
++CONFIG_SPI_MASTER=y
++
++#
++# SPI Master Controller Drivers
++#
++CONFIG_SPI_ATMEL=y
++# CONFIG_SPI_BITBANG is not set
++
++#
++# SPI Protocol Masters
++#
++# CONFIG_SPI_AT25 is not set
++CONFIG_SPI_SPIDEV=m
+
+ #
+ # Dallas's 1-wire bus
+@@ -517,19 +651,91 @@ CONFIG_UNIX98_PTYS=y
+ #
+ # Graphics support
+ #
+-# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
++CONFIG_BACKLIGHT_LCD_SUPPORT=y
++CONFIG_LCD_CLASS_DEVICE=y
++CONFIG_LCD_LTV350QV=y
++# CONFIG_BACKLIGHT_CLASS_DEVICE is not set
+
+ #
+ # Display device support
+ #
+ # CONFIG_DISPLAY_SUPPORT is not set
+ # CONFIG_VGASTATE is not set
+-# CONFIG_FB is not set
++CONFIG_FB=y
++# CONFIG_FIRMWARE_EDID is not set
++# CONFIG_FB_DDC is not set
++CONFIG_FB_CFB_FILLRECT=y
++CONFIG_FB_CFB_COPYAREA=y
++CONFIG_FB_CFB_IMAGEBLIT=y
++# CONFIG_FB_SYS_FILLRECT is not set
++# CONFIG_FB_SYS_COPYAREA is not set
++# CONFIG_FB_SYS_IMAGEBLIT is not set
++# CONFIG_FB_SYS_FOPS is not set
++CONFIG_FB_DEFERRED_IO=y
++# CONFIG_FB_SVGALIB is not set
++# CONFIG_FB_MACMODES is not set
++# CONFIG_FB_BACKLIGHT is not set
++# CONFIG_FB_MODE_HELPERS is not set
++# CONFIG_FB_TILEBLITTING is not set
++
++#
++# Frame buffer hardware drivers
++#
++# CONFIG_FB_S1D13XXX is not set
++CONFIG_FB_ATMEL=y
++# CONFIG_FB_VIRTUAL is not set
++# CONFIG_LOGO is not set
+
+ #
+ # Sound
+ #
+-# CONFIG_SOUND is not set
++CONFIG_SOUND=m
++
++#
++# Advanced Linux Sound Architecture
++#
++CONFIG_SND=m
++CONFIG_SND_TIMER=m
++CONFIG_SND_PCM=m
++# CONFIG_SND_SEQUENCER is not set
++CONFIG_SND_OSSEMUL=y
++CONFIG_SND_MIXER_OSS=m
++CONFIG_SND_PCM_OSS=m
++CONFIG_SND_PCM_OSS_PLUGINS=y
++# CONFIG_SND_DYNAMIC_MINORS is not set
++# CONFIG_SND_SUPPORT_OLD_API is not set
++CONFIG_SND_VERBOSE_PROCFS=y
++# CONFIG_SND_VERBOSE_PRINTK is not set
++# CONFIG_SND_DEBUG is not set
++
++#
++# Generic devices
++#
++# CONFIG_SND_DUMMY is not set
++# CONFIG_SND_MTPAV is not set
++# CONFIG_SND_SERIAL_U16550 is not set
++# CONFIG_SND_MPU401 is not set
++
++#
++# SPI devices
++#
++CONFIG_SND_AT73C213=m
++CONFIG_SND_AT73C213_TARGET_BITRATE=48000
++
++#
++# System on Chip audio support
++#
++# CONFIG_SND_SOC is not set
++
++#
++# Open Sound System
++#
++# CONFIG_SOUND_PRIME is not set
++
++#
++# HID Devices
++#
++# CONFIG_HID is not set
+
+ #
+ # USB support
+@@ -545,21 +751,59 @@ CONFIG_UNIX98_PTYS=y
+ #
+ # USB Gadget Support
+ #
+-# CONFIG_USB_GADGET is not set
+-# CONFIG_MMC is not set
++CONFIG_USB_GADGET=y
++# CONFIG_USB_GADGET_DEBUG_FILES is not set
++CONFIG_USB_GADGET_SELECTED=y
++# CONFIG_USB_GADGET_FSL_USB2 is not set
++# CONFIG_USB_GADGET_NET2280 is not set
++# CONFIG_USB_GADGET_PXA2XX is not set
++# CONFIG_USB_GADGET_GOKU is not set
++# CONFIG_USB_GADGET_LH7A40X is not set
++CONFIG_USB_GADGET_ATMEL_USBA=y
++CONFIG_USB_ATMEL_USBA=y
++# CONFIG_USB_GADGET_OMAP is not set
++# CONFIG_USB_GADGET_AT91 is not set
++# CONFIG_USB_GADGET_DUMMY_HCD is not set
++CONFIG_USB_GADGET_DUALSPEED=y
++CONFIG_USB_ZERO=m
++CONFIG_USB_ETH=m
++CONFIG_USB_ETH_RNDIS=y
++CONFIG_USB_GADGETFS=m
++CONFIG_USB_FILE_STORAGE=m
++# CONFIG_USB_FILE_STORAGE_TEST is not set
++CONFIG_USB_G_SERIAL=m
++# CONFIG_USB_MIDI_GADGET is not set
++CONFIG_MMC=y
++# CONFIG_MMC_DEBUG is not set
++# CONFIG_MMC_UNSAFE_RESUME is not set
++
++#
++# MMC/SD Card Drivers
++#
++CONFIG_MMC_BLOCK=y
++
++#
++# MMC/SD Host Controller Drivers
++#
++CONFIG_MMC_ATMELMCI=y
+
+ #
+ # LED devices
+ #
+-# CONFIG_NEW_LEDS is not set
++CONFIG_NEW_LEDS=y
++CONFIG_LEDS_CLASS=m
+
+ #
+ # LED drivers
+ #
++CONFIG_LEDS_GPIO=m
+
+ #
+ # LED Triggers
+ #
++CONFIG_LEDS_TRIGGERS=y
++CONFIG_LEDS_TRIGGER_TIMER=m
++CONFIG_LEDS_TRIGGER_HEARTBEAT=m
+
+ #
+ # InfiniBand support
+@@ -572,7 +816,50 @@ CONFIG_UNIX98_PTYS=y
+ #
+ # Real Time Clock
+ #
+-# CONFIG_RTC_CLASS is not set
++CONFIG_RTC_LIB=y
++CONFIG_RTC_CLASS=y
++# CONFIG_RTC_HCTOSYS is not set
++# CONFIG_RTC_DEBUG is not set
++
++#
++# RTC interfaces
++#
++CONFIG_RTC_INTF_SYSFS=y
++CONFIG_RTC_INTF_PROC=y
++CONFIG_RTC_INTF_DEV=y
++# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
++# CONFIG_RTC_DRV_TEST is not set
++
++#
++# I2C RTC drivers
++#
++# CONFIG_RTC_DRV_DS1307 is not set
++# CONFIG_RTC_DRV_DS1672 is not set
++# CONFIG_RTC_DRV_MAX6900 is not set
++# CONFIG_RTC_DRV_RS5C372 is not set
++# CONFIG_RTC_DRV_ISL1208 is not set
++# CONFIG_RTC_DRV_X1205 is not set
++# CONFIG_RTC_DRV_PCF8563 is not set
++# CONFIG_RTC_DRV_PCF8583 is not set
++
++#
++# SPI RTC drivers
++#
++# CONFIG_RTC_DRV_RS5C348 is not set
++# CONFIG_RTC_DRV_MAX6902 is not set
++
++#
++# Platform RTC drivers
++#
++# CONFIG_RTC_DRV_DS1553 is not set
++# CONFIG_RTC_DRV_DS1742 is not set
++# CONFIG_RTC_DRV_M48T86 is not set
++# CONFIG_RTC_DRV_V3020 is not set
++
++#
++# on-CPU RTC drivers
++#
++CONFIG_RTC_DRV_AT32AP700X=y
+
+ #
+ # DMA Engine support
+@@ -590,11 +877,14 @@ CONFIG_UNIX98_PTYS=y
+ #
+ # File systems
+ #
+-CONFIG_EXT2_FS=m
++CONFIG_EXT2_FS=y
+ # CONFIG_EXT2_FS_XATTR is not set
+ # CONFIG_EXT2_FS_XIP is not set
+-# CONFIG_EXT3_FS is not set
++CONFIG_EXT3_FS=y
++# CONFIG_EXT3_FS_XATTR is not set
+ # CONFIG_EXT4DEV_FS is not set
++CONFIG_JBD=y
++# CONFIG_JBD_DEBUG is not set
+ # CONFIG_REISERFS_FS is not set
+ # CONFIG_JFS_FS is not set
+ # CONFIG_FS_POSIX_ACL is not set
+@@ -609,7 +899,7 @@ CONFIG_INOTIFY_USER=y
+ # CONFIG_DNOTIFY is not set
+ # CONFIG_AUTOFS_FS is not set
+ # CONFIG_AUTOFS4_FS is not set
+-# CONFIG_FUSE_FS is not set
++CONFIG_FUSE_FS=m
+
+ #
+ # CD-ROM/DVD Filesystems
+@@ -638,7 +928,7 @@ CONFIG_TMPFS=y
+ # CONFIG_TMPFS_POSIX_ACL is not set
+ # CONFIG_HUGETLB_PAGE is not set
+ CONFIG_RAMFS=y
+-CONFIG_CONFIGFS_FS=m
++CONFIG_CONFIGFS_FS=y
+
+ #
+ # Miscellaneous filesystems
+@@ -683,8 +973,14 @@ CONFIG_SUNRPC=y
+ # CONFIG_SUNRPC_BIND34 is not set
+ # CONFIG_RPCSEC_GSS_KRB5 is not set
+ # CONFIG_RPCSEC_GSS_SPKM3 is not set
+-# CONFIG_SMB_FS is not set
+-# CONFIG_CIFS is not set
++CONFIG_SMB_FS=m
++# CONFIG_SMB_NLS_DEFAULT is not set
++CONFIG_CIFS=m
++# CONFIG_CIFS_STATS is not set
++# CONFIG_CIFS_WEAK_PW_HASH is not set
++# CONFIG_CIFS_XATTR is not set
++# CONFIG_CIFS_DEBUG2 is not set
++# CONFIG_CIFS_EXPERIMENTAL is not set
+ # CONFIG_NCP_FS is not set
+ # CONFIG_CODA_FS is not set
+ # CONFIG_AFS_FS is not set
+diff --git a/arch/avr32/drivers/Makefile b/arch/avr32/drivers/Makefile
+new file mode 100644
+index 0000000..b429b75
+--- /dev/null
++++ b/arch/avr32/drivers/Makefile
+@@ -0,0 +1 @@
++obj-$(CONFIG_DW_DMAC) += dw-dmac.o
+diff --git a/arch/avr32/drivers/dw-dmac.c b/arch/avr32/drivers/dw-dmac.c
+new file mode 100644
+index 0000000..224eb30
+--- /dev/null
++++ b/arch/avr32/drivers/dw-dmac.c
+@@ -0,0 +1,761 @@
++/*
++ * Driver for the Synopsys DesignWare DMA Controller
++ *
++ * Copyright (C) 2005-2006 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++#include <linux/clk.h>
++#include <linux/device.h>
++#include <linux/dma-mapping.h>
++#include <linux/dmapool.h>
++#include <linux/init.h>
++#include <linux/interrupt.h>
++#include <linux/module.h>
++#include <linux/platform_device.h>
++
++#include <asm/dma-controller.h>
++#include <asm/io.h>
++
++#include "dw-dmac.h"
++
++#define DMAC_NR_CHANNELS 3
++#define DMAC_MAX_BLOCKSIZE 4095
++
++enum {
++ CH_STATE_FREE = 0,
++ CH_STATE_ALLOCATED,
++ CH_STATE_BUSY,
++};
++
++struct dw_dma_lli {
++ dma_addr_t sar;
++ dma_addr_t dar;
++ dma_addr_t llp;
++ u32 ctllo;
++ u32 ctlhi;
++ u32 sstat;
++ u32 dstat;
++};
++
++struct dw_dma_block {
++ struct dw_dma_lli *lli_vaddr;
++ dma_addr_t lli_dma_addr;
++};
++
++struct dw_dma_channel {
++ unsigned int state;
++ int is_cyclic;
++ struct dma_request_sg *req_sg;
++ struct dma_request_cyclic *req_cyclic;
++ unsigned int nr_blocks;
++ int direction;
++ struct dw_dma_block *block;
++};
++
++struct dw_dma_controller {
++ spinlock_t lock;
++ void * __iomem regs;
++ struct dma_pool *lli_pool;
++ struct clk *hclk;
++ struct dma_controller dma;
++ struct dw_dma_channel channel[DMAC_NR_CHANNELS];
++};
++#define to_dw_dmac(dmac) container_of(dmac, struct dw_dma_controller, dma)
++
++#define dmac_writel_hi(dmac, reg, value) \
++ __raw_writel((value), (dmac)->regs + DW_DMAC_##reg + 4)
++#define dmac_readl_hi(dmac, reg) \
++ __raw_readl((dmac)->regs + DW_DMAC_##reg + 4)
++#define dmac_writel_lo(dmac, reg, value) \
++ __raw_writel((value), (dmac)->regs + DW_DMAC_##reg)
++#define dmac_readl_lo(dmac, reg) \
++ __raw_readl((dmac)->regs + DW_DMAC_##reg)
++#define dmac_chan_writel_hi(dmac, chan, reg, value) \
++ __raw_writel((value), ((dmac)->regs + 0x58 * (chan) \
++ + DW_DMAC_CHAN_##reg + 4))
++#define dmac_chan_readl_hi(dmac, chan, reg) \
++ __raw_readl((dmac)->regs + 0x58 * (chan) + DW_DMAC_CHAN_##reg + 4)
++#define dmac_chan_writel_lo(dmac, chan, reg, value) \
++ __raw_writel((value), (dmac)->regs + 0x58 * (chan) + DW_DMAC_CHAN_##reg)
++#define dmac_chan_readl_lo(dmac, chan, reg) \
++ __raw_readl((dmac)->regs + 0x58 * (chan) + DW_DMAC_CHAN_##reg)
++#define set_channel_bit(dmac, reg, chan) \
++ dmac_writel_lo(dmac, reg, (1 << (chan)) | (1 << ((chan) + 8)))
++#define clear_channel_bit(dmac, reg, chan) \
++ dmac_writel_lo(dmac, reg, (0 << (chan)) | (1 << ((chan) + 8)))
++
++static int dmac_alloc_channel(struct dma_controller *_dmac)
++{
++ struct dw_dma_controller *dmac = to_dw_dmac(_dmac);
++ struct dw_dma_channel *chan;
++ unsigned long flags;
++ int i;
++
++ spin_lock_irqsave(&dmac->lock, flags);
++ for (i = 0; i < DMAC_NR_CHANNELS; i++)
++ if (dmac->channel[i].state == CH_STATE_FREE)
++ break;
++
++ if (i < DMAC_NR_CHANNELS) {
++ chan = &dmac->channel[i];
++ chan->state = CH_STATE_ALLOCATED;
++ } else {
++ i = -EBUSY;
++ }
++
++ spin_unlock_irqrestore(&dmac->lock, flags);
++
++ return i;
++}
++
++static void dmac_release_channel(struct dma_controller *_dmac, int channel)
++{
++ struct dw_dma_controller *dmac = to_dw_dmac(_dmac);
++
++ BUG_ON(channel >= DMAC_NR_CHANNELS
++ || dmac->channel[channel].state != CH_STATE_ALLOCATED);
++
++ dmac->channel[channel].state = CH_STATE_FREE;
++}
++
++static struct dw_dma_block *allocate_blocks(struct dw_dma_controller *dmac,
++ unsigned int nr_blocks)
++{
++ struct dw_dma_block *block;
++ void *p;
++ unsigned int i;
++
++ block = kmalloc(nr_blocks * sizeof(*block),
++ GFP_KERNEL);
++ if (unlikely(!block))
++ return NULL;
++
++ for (i = 0; i < nr_blocks; i++) {
++ p = dma_pool_alloc(dmac->lli_pool, GFP_KERNEL,
++ &block[i].lli_dma_addr);
++ block[i].lli_vaddr = p;
++ if (unlikely(!p))
++ goto fail;
++ }
++
++ return block;
++
++fail:
++ for (i = 0; i < nr_blocks; i++) {
++ if (!block[i].lli_vaddr)
++ break;
++ dma_pool_free(dmac->lli_pool, block[i].lli_vaddr,
++ block[i].lli_dma_addr);
++ }
++ kfree(block);
++ return NULL;
++}
++
++static void cleanup_channel(struct dw_dma_controller *dmac,
++ struct dw_dma_channel *chan)
++{
++ unsigned int i;
++
++ if (chan->nr_blocks > 1) {
++ for (i = 0; i < chan->nr_blocks; i++)
++ dma_pool_free(dmac->lli_pool, chan->block[i].lli_vaddr,
++ chan->block[i].lli_dma_addr);
++ kfree(chan->block);
++ }
++
++ chan->state = CH_STATE_ALLOCATED;
++}
++
++static int dmac_prepare_request_sg(struct dma_controller *_dmac,
++ struct dma_request_sg *req)
++{
++ struct dw_dma_controller *dmac = to_dw_dmac(_dmac);
++ struct dw_dma_channel *chan;
++ unsigned long ctlhi, ctllo, cfghi, cfglo;
++ unsigned long block_size;
++ unsigned int nr_blocks;
++ int ret, i, direction;
++ unsigned long flags;
++
++ spin_lock_irqsave(&dmac->lock, flags);
++
++ ret = -EINVAL;
++ if (req->req.channel >= DMAC_NR_CHANNELS
++ || dmac->channel[req->req.channel].state != CH_STATE_ALLOCATED
++ || req->block_size > DMAC_MAX_BLOCKSIZE) {
++ spin_unlock_irqrestore(&dmac->lock, flags);
++ return -EINVAL;
++ }
++
++ chan = &dmac->channel[req->req.channel];
++ chan->state = CH_STATE_BUSY;
++ chan->req_sg = req;
++ chan->is_cyclic = 0;
++
++ /*
++ * We have marked the channel as busy, so no need to keep the
++ * lock as long as we only touch the channel-specific
++ * registers
++ */
++ spin_unlock_irqrestore(&dmac->lock, flags);
++
++ /*
++ * There may be limitations in the driver and/or the DMA
++ * controller that prevents us from sending a whole
++ * scatterlist item in one go. Taking this into account,
++ * calculate the number of block transfers we need to set up.
++ *
++ * FIXME: Let the peripheral driver know about the maximum
++ * block size we support. We really don't want to use a
++ * different block size than what was suggested by the
++ * peripheral.
++ *
++ * Each block will get its own Linked List Item (LLI) below.
++ */
++ block_size = req->block_size;
++ nr_blocks = req->nr_blocks;
++ pr_debug("block_size %lu, nr_blocks %u nr_sg = %u\n",
++ block_size, nr_blocks, req->nr_sg);
++
++ BUG_ON(nr_blocks == 0);
++ chan->nr_blocks = nr_blocks;
++
++ ret = -EINVAL;
++ cfglo = cfghi = 0;
++ switch (req->direction) {
++ case DMA_DIR_MEM_TO_PERIPH:
++ direction = DMA_TO_DEVICE;
++ cfghi = req->periph_id << (43 - 32);
++ break;
++
++ case DMA_DIR_PERIPH_TO_MEM:
++ direction = DMA_FROM_DEVICE;
++ cfghi = req->periph_id << (39 - 32);
++ break;
++ default:
++ goto out_unclaim_channel;
++ }
++
++ chan->direction = direction;
++
++ dmac_chan_writel_hi(dmac, req->req.channel, CFG, cfghi);
++ dmac_chan_writel_lo(dmac, req->req.channel, CFG, cfglo);
++
++ ctlhi = block_size >> req->width;
++ ctllo = ((req->direction << 20)
++ // | (1 << 14) | (1 << 11) // source/dest burst trans len
++ | (req->width << 4) | (req->width << 1)
++ | (1 << 0)); // interrupt enable
++
++ if (nr_blocks == 1) {
++ /* Only one block: No need to use block chaining */
++ if (direction == DMA_TO_DEVICE) {
++ dmac_chan_writel_lo(dmac, req->req.channel, SAR,
++ req->sg->dma_address);
++ dmac_chan_writel_lo(dmac, req->req.channel, DAR,
++ req->data_reg);
++ ctllo |= 2 << 7; // no dst increment
++ } else {
++ dmac_chan_writel_lo(dmac, req->req.channel, SAR,
++ req->data_reg);
++ dmac_chan_writel_lo(dmac, req->req.channel, DAR,
++ req->sg->dma_address);
++ ctllo |= 2 << 9; // no src increment
++ }
++ dmac_chan_writel_lo(dmac, req->req.channel, CTL, ctllo);
++ dmac_chan_writel_hi(dmac, req->req.channel, CTL, ctlhi);
++ pr_debug("ctl hi:lo 0x%lx:%lx\n", ctlhi, ctllo);
++ } else {
++ struct dw_dma_lli *lli, *lli_prev = NULL;
++ int j = 0, offset = 0;
++
++ ret = -ENOMEM;
++ chan->block = allocate_blocks(dmac, nr_blocks);
++ if (!chan->block)
++ goto out_unclaim_channel;
++
++ if (direction == DMA_TO_DEVICE)
++ ctllo |= 1 << 28 | 1 << 27 | 2 << 7;
++ else
++ ctllo |= 1 << 28 | 1 << 27 | 2 << 9;
++
++ /*
++ * Map scatterlist items to blocks. One scatterlist
++ * item may need more than one block for the reasons
++ * mentioned above.
++ */
++ for (i = 0; i < nr_blocks; i++) {
++ lli = chan->block[i].lli_vaddr;
++ if (lli_prev) {
++ lli_prev->llp = chan->block[i].lli_dma_addr;
++ pr_debug("lli[%d] (0x%p/0x%x): 0x%x 0x%x 0x%x 0x%x 0x%x\n",
++ i - 1, chan->block[i - 1].lli_vaddr,
++ chan->block[i - 1].lli_dma_addr,
++ lli_prev->sar, lli_prev->dar, lli_prev->llp,
++ lli_prev->ctllo, lli_prev->ctlhi);
++ }
++ lli->llp = 0;
++ lli->ctllo = ctllo;
++ lli->ctlhi = ctlhi;
++ if (direction == DMA_TO_DEVICE) {
++ lli->sar = req->sg[j].dma_address + offset;
++ lli->dar = req->data_reg;
++ } else {
++ lli->sar = req->data_reg;
++ lli->dar = req->sg[j].dma_address + offset;
++ }
++ lli_prev = lli;
++
++ offset += block_size;
++ if (offset > req->sg[j].length) {
++ j++;
++ offset = 0;
++ }
++ }
++
++ pr_debug("lli[%d] (0x%p/0x%x): 0x%x 0x%x 0x%x 0x%x 0x%x\n",
++ i - 1, chan->block[i - 1].lli_vaddr,
++ chan->block[i - 1].lli_dma_addr, lli_prev->sar,
++ lli_prev->dar, lli_prev->llp,
++ lli_prev->ctllo, lli_prev->ctlhi);
++
++ /*
++ * SAR, DAR and CTL are initialized from the LLI. We
++ * only have to enable the LLI bits in CTL.
++ */
++ dmac_chan_writel_hi(dmac, req->req.channel, CTL, 0);
++ dmac_chan_writel_lo(dmac, req->req.channel, LLP,
++ chan->block[0].lli_dma_addr);
++ dmac_chan_writel_lo(dmac, req->req.channel, CTL, 1 << 28 | 1 << 27);
++ }
++
++ set_channel_bit(dmac, MASK_XFER, req->req.channel);
++ set_channel_bit(dmac, MASK_ERROR, req->req.channel);
++ if (req->req.block_complete)
++ set_channel_bit(dmac, MASK_BLOCK, req->req.channel);
++ else
++ clear_channel_bit(dmac, MASK_BLOCK, req->req.channel);
++
++ return 0;
++
++out_unclaim_channel:
++ chan->state = CH_STATE_ALLOCATED;
++ return ret;
++}
++
++static int dmac_prepare_request_cyclic(struct dma_controller *_dmac,
++ struct dma_request_cyclic *req)
++{
++ struct dw_dma_controller *dmac = to_dw_dmac(_dmac);
++ struct dw_dma_channel *chan;
++ unsigned long ctlhi, ctllo, cfghi, cfglo;
++ unsigned long block_size;
++ int ret, i, direction;
++ unsigned long flags;
++
++ spin_lock_irqsave(&dmac->lock, flags);
++
++ block_size = (req->buffer_size/req->periods) >> req->width;
++
++ ret = -EINVAL;
++ if (req->req.channel >= DMAC_NR_CHANNELS
++ || dmac->channel[req->req.channel].state != CH_STATE_ALLOCATED
++ || (req->periods == 0)
++ || block_size > DMAC_MAX_BLOCKSIZE) {
++ spin_unlock_irqrestore(&dmac->lock, flags);
++ return -EINVAL;
++ }
++
++ chan = &dmac->channel[req->req.channel];
++ chan->state = CH_STATE_BUSY;
++ chan->is_cyclic = 1;
++ chan->req_cyclic = req;
++
++ /*
++ * We have marked the channel as busy, so no need to keep the
++ * lock as long as we only touch the channel-specific
++ * registers
++ */
++ spin_unlock_irqrestore(&dmac->lock, flags);
++
++ /*
++ Setup
++ */
++ BUG_ON(req->buffer_size % req->periods);
++ /* printk(KERN_INFO "block_size = %lu, periods = %u\n", block_size, req->periods); */
++
++ chan->nr_blocks = req->periods;
++
++ ret = -EINVAL;
++ cfglo = cfghi = 0;
++ switch (req->direction) {
++ case DMA_DIR_MEM_TO_PERIPH:
++ direction = DMA_TO_DEVICE;
++ cfghi = req->periph_id << (43 - 32);
++ break;
++
++ case DMA_DIR_PERIPH_TO_MEM:
++ direction = DMA_FROM_DEVICE;
++ cfghi = req->periph_id << (39 - 32);
++ break;
++ default:
++ goto out_unclaim_channel;
++ }
++
++ chan->direction = direction;
++
++ dmac_chan_writel_hi(dmac, req->req.channel, CFG, cfghi);
++ dmac_chan_writel_lo(dmac, req->req.channel, CFG, cfglo);
++
++ ctlhi = block_size;
++ ctllo = ((req->direction << 20)
++ | (req->width << 4) | (req->width << 1)
++ | (1 << 0)); // interrupt enable
++
++ {
++ struct dw_dma_lli *lli = NULL, *lli_prev = NULL;
++
++ ret = -ENOMEM;
++ chan->block = allocate_blocks(dmac, req->periods);
++ if (!chan->block)
++ goto out_unclaim_channel;
++
++ if (direction == DMA_TO_DEVICE)
++ ctllo |= 1 << 28 | 1 << 27 | 2 << 7;
++ else
++ ctllo |= 1 << 28 | 1 << 27 | 2 << 9;
++
++ /*
++ * Set up a linked list items where each period gets
++ * an item. The linked list item for the last period
++ * points back to the star of the buffer making a
++ * cyclic buffer.
++ */
++ for (i = 0; i < req->periods; i++) {
++ lli = chan->block[i].lli_vaddr;
++ if (lli_prev) {
++ lli_prev->llp = chan->block[i].lli_dma_addr;
++ /* printk(KERN_INFO "lli[%d] (0x%p/0x%x): 0x%x 0x%x 0x%x 0x%x 0x%x\n",
++ i - 1, chan->block[i - 1].lli_vaddr,
++ chan->block[i - 1].lli_dma_addr,
++ lli_prev->sar, lli_prev->dar, lli_prev->llp,
++ lli_prev->ctllo, lli_prev->ctlhi);*/
++ }
++ lli->llp = 0;
++ lli->ctllo = ctllo;
++ lli->ctlhi = ctlhi;
++ if (direction == DMA_TO_DEVICE) {
++ lli->sar = req->buffer_start + i*(block_size << req->width);
++ lli->dar = req->data_reg;
++ } else {
++ lli->sar = req->data_reg;
++ lli->dar = req->buffer_start + i*(block_size << req->width);
++ }
++ lli_prev = lli;
++ }
++ lli->llp = chan->block[0].lli_dma_addr;
++
++ /*printk(KERN_INFO "lli[%d] (0x%p/0x%x): 0x%x 0x%x 0x%x 0x%x 0x%x\n",
++ i - 1, chan->block[i - 1].lli_vaddr,
++ chan->block[i - 1].lli_dma_addr, lli_prev->sar,
++ lli_prev->dar, lli_prev->llp,
++ lli_prev->ctllo, lli_prev->ctlhi); */
++
++ /*
++ * SAR, DAR and CTL are initialized from the LLI. We
++ * only have to enable the LLI bits in CTL.
++ */
++ dmac_chan_writel_lo(dmac, req->req.channel, LLP,
++ chan->block[0].lli_dma_addr);
++ dmac_chan_writel_lo(dmac, req->req.channel, CTL, 1 << 28 | 1 << 27);
++ }
++
++ clear_channel_bit(dmac, MASK_XFER, req->req.channel);
++ set_channel_bit(dmac, MASK_ERROR, req->req.channel);
++ if (req->req.block_complete)
++ set_channel_bit(dmac, MASK_BLOCK, req->req.channel);
++ else
++ clear_channel_bit(dmac, MASK_BLOCK, req->req.channel);
++
++ return 0;
++
++out_unclaim_channel:
++ chan->state = CH_STATE_ALLOCATED;
++ return ret;
++}
++
++static int dmac_start_request(struct dma_controller *_dmac,
++ unsigned int channel)
++{
++ struct dw_dma_controller *dmac = to_dw_dmac(_dmac);
++
++ BUG_ON(channel >= DMAC_NR_CHANNELS);
++
++ set_channel_bit(dmac, CH_EN, channel);
++
++ return 0;
++}
++
++static dma_addr_t dmac_get_current_pos(struct dma_controller *_dmac,
++ unsigned int channel)
++{
++ struct dw_dma_controller *dmac = to_dw_dmac(_dmac);
++ struct dw_dma_channel *chan;
++ dma_addr_t current_pos;
++
++ BUG_ON(channel >= DMAC_NR_CHANNELS);
++
++ chan = &dmac->channel[channel];
++
++ switch (chan->direction) {
++ case DMA_TO_DEVICE:
++ current_pos = dmac_chan_readl_lo(dmac, channel, SAR);
++ break;
++ case DMA_FROM_DEVICE:
++ current_pos = dmac_chan_readl_lo(dmac, channel, DAR);
++ break;
++ default:
++ return 0;
++ }
++
++
++ if (!current_pos) {
++ if (chan->is_cyclic) {
++ current_pos = chan->req_cyclic->buffer_start;
++ } else {
++ current_pos = chan->req_sg->sg->dma_address;
++ }
++ }
++
++ return current_pos;
++}
++
++
++static int dmac_stop_request(struct dma_controller *_dmac,
++ unsigned int channel)
++{
++ struct dw_dma_controller *dmac = to_dw_dmac(_dmac);
++ struct dw_dma_channel *chan;
++
++ BUG_ON(channel >= DMAC_NR_CHANNELS);
++
++ chan = &dmac->channel[channel];
++ pr_debug("stop: st%u s%08x d%08x l%08x ctl0x%08x:0x%08x\n",
++ chan->state, dmac_chan_readl_lo(dmac, channel, SAR),
++ dmac_chan_readl_lo(dmac, channel, DAR),
++ dmac_chan_readl_lo(dmac, channel, LLP),
++ dmac_chan_readl_hi(dmac, channel, CTL),
++ dmac_chan_readl_lo(dmac, channel, CTL));
++
++ if (chan->state == CH_STATE_BUSY) {
++ clear_channel_bit(dmac, CH_EN, channel);
++ cleanup_channel(dmac, &dmac->channel[channel]);
++ }
++
++ return 0;
++}
++
++
++static void dmac_block_complete(struct dw_dma_controller *dmac)
++{
++ struct dw_dma_channel *chan;
++ unsigned long status, chanid;
++
++ status = dmac_readl_lo(dmac, STATUS_BLOCK);
++
++ while (status) {
++ struct dma_request *req;
++ chanid = __ffs(status);
++ chan = &dmac->channel[chanid];
++
++ if (chan->is_cyclic) {
++ BUG_ON(!chan->req_cyclic
++ || !chan->req_cyclic->req.block_complete);
++ req = &chan->req_cyclic->req;
++ } else {
++ BUG_ON(!chan->req_sg || !chan->req_sg->req.block_complete);
++ req = &chan->req_sg->req;
++ }
++ dmac_writel_lo(dmac, CLEAR_BLOCK, 1 << chanid);
++ req->block_complete(req);
++ status = dmac_readl_lo(dmac, STATUS_BLOCK);
++ }
++}
++
++static void dmac_xfer_complete(struct dw_dma_controller *dmac)
++{
++ struct dw_dma_channel *chan;
++ struct dma_request *req;
++ unsigned long status, chanid;
++
++ status = dmac_readl_lo(dmac, STATUS_XFER);
++
++ while (status) {
++ chanid = __ffs(status);
++ chan = &dmac->channel[chanid];
++
++ dmac_writel_lo(dmac, CLEAR_XFER, 1 << chanid);
++
++ req = &chan->req_sg->req;
++ BUG_ON(!req);
++ cleanup_channel(dmac, chan);
++ if (req->xfer_complete)
++ req->xfer_complete(req);
++
++ status = dmac_readl_lo(dmac, STATUS_XFER);
++ }
++}
++
++static void dmac_error(struct dw_dma_controller *dmac)
++{
++ struct dw_dma_channel *chan;
++ unsigned long status, chanid;
++
++ status = dmac_readl_lo(dmac, STATUS_ERROR);
++
++ while (status) {
++ struct dma_request *req;
++
++ chanid = __ffs(status);
++ chan = &dmac->channel[chanid];
++
++ dmac_writel_lo(dmac, CLEAR_ERROR, 1 << chanid);
++ clear_channel_bit(dmac, CH_EN, chanid);
++
++ if (chan->is_cyclic) {
++ BUG_ON(!chan->req_cyclic);
++ req = &chan->req_cyclic->req;
++ } else {
++ BUG_ON(!chan->req_sg);
++ req = &chan->req_sg->req;
++ }
++
++ cleanup_channel(dmac, chan);
++ if (req->error)
++ req->error(req);
++
++ status = dmac_readl_lo(dmac, STATUS_XFER);
++ }
++}
++
++static irqreturn_t dmac_interrupt(int irq, void *dev_id)
++{
++ struct dw_dma_controller *dmac = dev_id;
++ unsigned long status;
++ int ret = IRQ_NONE;
++
++ spin_lock(&dmac->lock);
++
++ status = dmac_readl_lo(dmac, STATUS_INT);
++
++ while (status) {
++ ret = IRQ_HANDLED;
++ if (status & 0x10)
++ dmac_error(dmac);
++ if (status & 0x02)
++ dmac_block_complete(dmac);
++ if (status & 0x01)
++ dmac_xfer_complete(dmac);
++
++ status = dmac_readl_lo(dmac, STATUS_INT);
++ }
++
++ spin_unlock(&dmac->lock);
++ return ret;
++}
++
++static int __devinit dmac_probe(struct platform_device *pdev)
++{
++ struct dw_dma_controller *dmac;
++ struct resource *regs;
++ int ret;
++
++ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ if (!regs)
++ return -ENXIO;
++
++ dmac = kmalloc(sizeof(*dmac), GFP_KERNEL);
++ if (!dmac)
++ return -ENOMEM;
++ memset(dmac, 0, sizeof(*dmac));
++
++ dmac->hclk = clk_get(&pdev->dev, "hclk");
++ if (IS_ERR(dmac->hclk)) {
++ ret = PTR_ERR(dmac->hclk);
++ goto out_free_dmac;
++ }
++ clk_enable(dmac->hclk);
++
++ ret = -ENOMEM;
++ dmac->lli_pool = dma_pool_create("dmac", &pdev->dev,
++ sizeof(struct dw_dma_lli), 4, 0);
++ if (!dmac->lli_pool)
++ goto out_disable_clk;
++
++ spin_lock_init(&dmac->lock);
++ dmac->dma.dev = &pdev->dev;
++ dmac->dma.alloc_channel = dmac_alloc_channel;
++ dmac->dma.release_channel = dmac_release_channel;
++ dmac->dma.prepare_request_sg = dmac_prepare_request_sg;
++ dmac->dma.prepare_request_cyclic = dmac_prepare_request_cyclic;
++ dmac->dma.start_request = dmac_start_request;
++ dmac->dma.stop_request = dmac_stop_request;
++ dmac->dma.get_current_pos = dmac_get_current_pos;
++
++ dmac->regs = ioremap(regs->start, regs->end - regs->start + 1);
++ if (!dmac->regs)
++ goto out_free_pool;
++
++ ret = request_irq(platform_get_irq(pdev, 0), dmac_interrupt,
++ IRQF_SAMPLE_RANDOM, pdev->name, dmac);
++ if (ret)
++ goto out_unmap_regs;
++
++ /* Enable the DMA controller */
++ dmac_writel_lo(dmac, CFG, 1);
++
++ register_dma_controller(&dmac->dma);
++
++ printk(KERN_INFO
++ "dmac%d: DesignWare DMA controller at 0x%p irq %d\n",
++ dmac->dma.id, dmac->regs, platform_get_irq(pdev, 0));
++
++ return 0;
++
++out_unmap_regs:
++ iounmap(dmac->regs);
++out_free_pool:
++ dma_pool_destroy(dmac->lli_pool);
++out_disable_clk:
++ clk_disable(dmac->hclk);
++ clk_put(dmac->hclk);
++out_free_dmac:
++ kfree(dmac);
++ return ret;
++}
++
++static struct platform_driver dmac_driver = {
++ .probe = dmac_probe,
++ .driver = {
++ .name = "dmaca",
++ },
++};
++
++static int __init dmac_init(void)
++{
++ return platform_driver_register(&dmac_driver);
++}
++subsys_initcall(dmac_init);
++
++static void __exit dmac_exit(void)
++{
++ platform_driver_unregister(&dmac_driver);
++}
++module_exit(dmac_exit);
++
++MODULE_DESCRIPTION("Synopsys DesignWare DMA Controller driver");
++MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>");
++MODULE_LICENSE("GPL");
+diff --git a/arch/avr32/drivers/dw-dmac.h b/arch/avr32/drivers/dw-dmac.h
+new file mode 100644
+index 0000000..1f67921
+--- /dev/null
++++ b/arch/avr32/drivers/dw-dmac.h
+@@ -0,0 +1,42 @@
++/*
++ * Driver for the Synopsys DesignWare DMA Controller
++ *
++ * Copyright (C) 2005-2006 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++#ifndef __AVR32_DW_DMAC_H__
++#define __AVR32_DW_DMAC_H__
++
++#define DW_DMAC_CFG 0x398
++#define DW_DMAC_CH_EN 0x3a0
++
++#define DW_DMAC_STATUS_XFER 0x2e8
++#define DW_DMAC_STATUS_BLOCK 0x2f0
++#define DW_DMAC_STATUS_ERROR 0x308
++
++#define DW_DMAC_MASK_XFER 0x310
++#define DW_DMAC_MASK_BLOCK 0x318
++#define DW_DMAC_MASK_ERROR 0x330
++
++#define DW_DMAC_CLEAR_XFER 0x338
++#define DW_DMAC_CLEAR_BLOCK 0x340
++#define DW_DMAC_CLEAR_ERROR 0x358
++
++#define DW_DMAC_STATUS_INT 0x360
++
++#define DW_DMAC_CHAN_SAR 0x000
++#define DW_DMAC_CHAN_DAR 0x008
++#define DW_DMAC_CHAN_LLP 0x010
++#define DW_DMAC_CHAN_CTL 0x018
++#define DW_DMAC_CHAN_SSTAT 0x020
++#define DW_DMAC_CHAN_DSTAT 0x028
++#define DW_DMAC_CHAN_SSTATAR 0x030
++#define DW_DMAC_CHAN_DSTATAR 0x038
++#define DW_DMAC_CHAN_CFG 0x040
++#define DW_DMAC_CHAN_SGR 0x048
++#define DW_DMAC_CHAN_DSR 0x050
++
++#endif /* __AVR32_DW_DMAC_H__ */
+diff --git a/arch/avr32/kernel/Makefile b/arch/avr32/kernel/Makefile
+index 90e5aff..b6afc0c 100644
+--- a/arch/avr32/kernel/Makefile
++++ b/arch/avr32/kernel/Makefile
+@@ -9,6 +9,7 @@ obj-y += syscall_table.o syscall-stubs.o irq.o
+ obj-y += setup.o traps.o semaphore.o ptrace.o
+ obj-y += signal.o sys_avr32.o process.o time.o
+ obj-y += init_task.o switch_to.o cpu.o
++obj-y += dma-controller.o
+ obj-$(CONFIG_MODULES) += module.o avr32_ksyms.o
+ obj-$(CONFIG_KPROBES) += kprobes.o
+
+diff --git a/arch/avr32/kernel/dma-controller.c b/arch/avr32/kernel/dma-controller.c
+new file mode 100644
+index 0000000..fb654b3
+--- /dev/null
++++ b/arch/avr32/kernel/dma-controller.c
+@@ -0,0 +1,34 @@
++/*
++ * Preliminary DMA controller framework for AVR32
++ *
++ * Copyright (C) 2005-2006 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++#include <asm/dma-controller.h>
++
++static LIST_HEAD(controllers);
++
++int register_dma_controller(struct dma_controller *dmac)
++{
++ static int next_id;
++
++ dmac->id = next_id++;
++ list_add_tail(&dmac->list, &controllers);
++
++ return 0;
++}
++EXPORT_SYMBOL(register_dma_controller);
++
++struct dma_controller *find_dma_controller(int id)
++{
++ struct dma_controller *dmac;
++
++ list_for_each_entry(dmac, &controllers, list)
++ if (dmac->id == id)
++ return dmac;
++ return NULL;
++}
++EXPORT_SYMBOL(find_dma_controller);
+diff --git a/arch/avr32/kernel/setup.c b/arch/avr32/kernel/setup.c
+index b279d66..4b4c188 100644
+--- a/arch/avr32/kernel/setup.c
++++ b/arch/avr32/kernel/setup.c
+@@ -248,7 +248,7 @@ static int __init early_parse_fbmem(char *p)
+
+ fbmem_size = memparse(p, &p);
+ if (*p == '@') {
+- fbmem_start = memparse(p, &p);
++ fbmem_start = memparse(p + 1, &p);
+ ret = add_reserved_region(fbmem_start,
+ fbmem_start + fbmem_size - 1,
+ "Framebuffer");
+@@ -313,7 +313,7 @@ __tagtable(ATAG_MEM, parse_tag_mem);
+
+ static int __init parse_tag_rdimg(struct tag *tag)
+ {
+-#ifdef CONFIG_INITRD
++#ifdef CONFIG_BLK_DEV_INITRD
+ struct tag_mem_range *mem = &tag->u.mem_range;
+ int ret;
+
+@@ -323,7 +323,7 @@ static int __init parse_tag_rdimg(struct tag *tag)
+ return 0;
+ }
+
+- ret = add_reserved_region(mem->start, mem->start + mem->size - 1,
++ ret = add_reserved_region(mem->addr, mem->addr + mem->size - 1,
+ "initrd");
+ if (ret) {
+ printk(KERN_WARNING
+diff --git a/arch/avr32/mach-at32ap/Kconfig b/arch/avr32/mach-at32ap/Kconfig
+index eb30783..43c5b9f 100644
+--- a/arch/avr32/mach-at32ap/Kconfig
++++ b/arch/avr32/mach-at32ap/Kconfig
+@@ -26,6 +26,13 @@ config AP7000_8_BIT_SMC
+
+ endchoice
+
++config GPIO_DEV
++ bool "GPIO /dev interface"
++ select CONFIGFS_FS
++ default n
++ help
++ Say `Y' to enable a /dev interface to the GPIO pins.
++
+ endmenu
+
+ endif # PLATFORM_AT32AP
+diff --git a/arch/avr32/mach-at32ap/Makefile b/arch/avr32/mach-at32ap/Makefile
+index f1d3957..250372a 100644
+--- a/arch/avr32/mach-at32ap/Makefile
++++ b/arch/avr32/mach-at32ap/Makefile
+@@ -1,3 +1,5 @@
+ obj-y += at32ap.o clock.o intc.o extint.o pio.o hsmc.o
+ obj-$(CONFIG_CPU_AT32AP7000) += at32ap7000.o
+ obj-$(CONFIG_CPU_AT32AP7000) += time-tc.o
++obj-$(CONFIG_CPU_FREQ_AT32AP) += cpufreq.o
++obj-$(CONFIG_GPIO_DEV) += gpio-dev.o
+diff --git a/arch/avr32/mach-at32ap/at32ap.c b/arch/avr32/mach-at32ap/at32ap.c
+index 90f207e..7c4987f 100644
+--- a/arch/avr32/mach-at32ap/at32ap.c
++++ b/arch/avr32/mach-at32ap/at32ap.c
+@@ -11,41 +11,10 @@
+ #include <linux/init.h>
+ #include <linux/platform_device.h>
+
+-#include <asm/io.h>
+-
+ #include <asm/arch/init.h>
+-#include <asm/arch/sm.h>
+-
+-struct at32_sm system_manager;
+-
+-static int __init at32_sm_init(void)
+-{
+- struct resource *regs;
+- struct at32_sm *sm = &system_manager;
+- int ret = -ENXIO;
+-
+- regs = platform_get_resource(&at32_sm_device, IORESOURCE_MEM, 0);
+- if (!regs)
+- goto fail;
+-
+- spin_lock_init(&sm->lock);
+- sm->pdev = &at32_sm_device;
+-
+- ret = -ENOMEM;
+- sm->regs = ioremap(regs->start, regs->end - regs->start + 1);
+- if (!sm->regs)
+- goto fail;
+-
+- return 0;
+-
+-fail:
+- printk(KERN_ERR "Failed to initialize System Manager: %d\n", ret);
+- return ret;
+-}
+
+ void __init setup_platform(void)
+ {
+- at32_sm_init();
+ at32_clock_init();
+ at32_portmux_init();
+ }
+diff --git a/arch/avr32/mach-at32ap/at32ap7000.c b/arch/avr32/mach-at32ap/at32ap7000.c
+index 4dda42d..59555d8 100644
+--- a/arch/avr32/mach-at32ap/at32ap7000.c
++++ b/arch/avr32/mach-at32ap/at32ap7000.c
+@@ -17,14 +17,14 @@
+ #include <asm/arch/at32ap7000.h>
+ #include <asm/arch/board.h>
+ #include <asm/arch/portmux.h>
+-#include <asm/arch/sm.h>
+
+ #include <video/atmel_lcdc.h>
+
+ #include "clock.h"
+ #include "hmatrix.h"
+ #include "pio.h"
+-#include "sm.h"
++#include "pm.h"
++
+
+ #define PBMEM(base) \
+ { \
+@@ -88,6 +88,8 @@ static struct clk devname##_##_name = { \
+ .index = _index, \
+ }
+
++static DEFINE_SPINLOCK(pm_lock);
++
+ unsigned long at32ap7000_osc_rates[3] = {
+ [0] = 32768,
+ /* FIXME: these are ATSTK1002-specific */
+@@ -104,11 +106,11 @@ static unsigned long pll_get_rate(struct clk *clk, unsigned long control)
+ {
+ unsigned long div, mul, rate;
+
+- if (!(control & SM_BIT(PLLEN)))
++ if (!(control & PM_BIT(PLLEN)))
+ return 0;
+
+- div = SM_BFEXT(PLLDIV, control) + 1;
+- mul = SM_BFEXT(PLLMUL, control) + 1;
++ div = PM_BFEXT(PLLDIV, control) + 1;
++ mul = PM_BFEXT(PLLMUL, control) + 1;
+
+ rate = clk->parent->get_rate(clk->parent);
+ rate = (rate + div / 2) / div;
+@@ -121,7 +123,7 @@ static unsigned long pll0_get_rate(struct clk *clk)
+ {
+ u32 control;
+
+- control = sm_readl(&system_manager, PM_PLL0);
++ control = pm_readl(PLL0);
+
+ return pll_get_rate(clk, control);
+ }
+@@ -130,7 +132,7 @@ static unsigned long pll1_get_rate(struct clk *clk)
+ {
+ u32 control;
+
+- control = sm_readl(&system_manager, PM_PLL1);
++ control = pm_readl(PLL1);
+
+ return pll_get_rate(clk, control);
+ }
+@@ -187,108 +189,139 @@ static unsigned long bus_clk_get_rate(struct clk *clk, unsigned int shift)
+
+ static void cpu_clk_mode(struct clk *clk, int enabled)
+ {
+- struct at32_sm *sm = &system_manager;
+ unsigned long flags;
+ u32 mask;
+
+- spin_lock_irqsave(&sm->lock, flags);
+- mask = sm_readl(sm, PM_CPU_MASK);
++ spin_lock_irqsave(&pm_lock, flags);
++ mask = pm_readl(CPU_MASK);
+ if (enabled)
+ mask |= 1 << clk->index;
+ else
+ mask &= ~(1 << clk->index);
+- sm_writel(sm, PM_CPU_MASK, mask);
+- spin_unlock_irqrestore(&sm->lock, flags);
++ pm_writel(CPU_MASK, mask);
++ spin_unlock_irqrestore(&pm_lock, flags);
+ }
+
+ static unsigned long cpu_clk_get_rate(struct clk *clk)
+ {
+ unsigned long cksel, shift = 0;
+
+- cksel = sm_readl(&system_manager, PM_CKSEL);
+- if (cksel & SM_BIT(CPUDIV))
+- shift = SM_BFEXT(CPUSEL, cksel) + 1;
++ cksel = pm_readl(CKSEL);
++ if (cksel & PM_BIT(CPUDIV))
++ shift = PM_BFEXT(CPUSEL, cksel) + 1;
+
+ return bus_clk_get_rate(clk, shift);
+ }
+
++static long cpu_clk_set_rate(struct clk *clk, unsigned long rate, int apply)
++{
++ u32 control;
++ unsigned long parent_rate, child_div, actual_rate, div;
++
++ parent_rate = clk->parent->get_rate(clk->parent);
++ control = pm_readl(CKSEL);
++
++ if (control & PM_BIT(HSBDIV))
++ child_div = 1 << (PM_BFEXT(HSBSEL, control) + 1);
++ else
++ child_div = 1;
++
++ if (rate > 3 * (parent_rate / 4) || child_div == 1) {
++ actual_rate = parent_rate;
++ control &= ~PM_BIT(CPUDIV);
++ } else {
++ unsigned int cpusel;
++ div = (parent_rate + rate / 2) / rate;
++ if (div > child_div)
++ div = child_div;
++ cpusel = (div > 1) ? (fls(div) - 2) : 0;
++ control = PM_BIT(CPUDIV) | PM_BFINS(CPUSEL, cpusel, control);
++ actual_rate = parent_rate / (1 << (cpusel + 1));
++ }
++
++ pr_debug("clk %s: new rate %lu (actual rate %lu)\n",
++ clk->name, rate, actual_rate);
++
++ if (apply)
++ pm_writel(CKSEL, control);
++
++ return actual_rate;
++}
++
+ static void hsb_clk_mode(struct clk *clk, int enabled)
+ {
+- struct at32_sm *sm = &system_manager;
+ unsigned long flags;
+ u32 mask;
+
+- spin_lock_irqsave(&sm->lock, flags);
+- mask = sm_readl(sm, PM_HSB_MASK);
++ spin_lock_irqsave(&pm_lock, flags);
++ mask = pm_readl(HSB_MASK);
+ if (enabled)
+ mask |= 1 << clk->index;
+ else
+ mask &= ~(1 << clk->index);
+- sm_writel(sm, PM_HSB_MASK, mask);
+- spin_unlock_irqrestore(&sm->lock, flags);
++ pm_writel(HSB_MASK, mask);
++ spin_unlock_irqrestore(&pm_lock, flags);
+ }
+
+ static unsigned long hsb_clk_get_rate(struct clk *clk)
+ {
+ unsigned long cksel, shift = 0;
+
+- cksel = sm_readl(&system_manager, PM_CKSEL);
+- if (cksel & SM_BIT(HSBDIV))
+- shift = SM_BFEXT(HSBSEL, cksel) + 1;
++ cksel = pm_readl(CKSEL);
++ if (cksel & PM_BIT(HSBDIV))
++ shift = PM_BFEXT(HSBSEL, cksel) + 1;
+
+ return bus_clk_get_rate(clk, shift);
+ }
+
+ static void pba_clk_mode(struct clk *clk, int enabled)
+ {
+- struct at32_sm *sm = &system_manager;
+ unsigned long flags;
+ u32 mask;
+
+- spin_lock_irqsave(&sm->lock, flags);
+- mask = sm_readl(sm, PM_PBA_MASK);
++ spin_lock_irqsave(&pm_lock, flags);
++ mask = pm_readl(PBA_MASK);
+ if (enabled)
+ mask |= 1 << clk->index;
+ else
+ mask &= ~(1 << clk->index);
+- sm_writel(sm, PM_PBA_MASK, mask);
+- spin_unlock_irqrestore(&sm->lock, flags);
++ pm_writel(PBA_MASK, mask);
++ spin_unlock_irqrestore(&pm_lock, flags);
+ }
+
+ static unsigned long pba_clk_get_rate(struct clk *clk)
+ {
+ unsigned long cksel, shift = 0;
+
+- cksel = sm_readl(&system_manager, PM_CKSEL);
+- if (cksel & SM_BIT(PBADIV))
+- shift = SM_BFEXT(PBASEL, cksel) + 1;
++ cksel = pm_readl(CKSEL);
++ if (cksel & PM_BIT(PBADIV))
++ shift = PM_BFEXT(PBASEL, cksel) + 1;
+
+ return bus_clk_get_rate(clk, shift);
+ }
+
+ static void pbb_clk_mode(struct clk *clk, int enabled)
+ {
+- struct at32_sm *sm = &system_manager;
+ unsigned long flags;
+ u32 mask;
+
+- spin_lock_irqsave(&sm->lock, flags);
+- mask = sm_readl(sm, PM_PBB_MASK);
++ spin_lock_irqsave(&pm_lock, flags);
++ mask = pm_readl(PBB_MASK);
+ if (enabled)
+ mask |= 1 << clk->index;
+ else
+ mask &= ~(1 << clk->index);
+- sm_writel(sm, PM_PBB_MASK, mask);
+- spin_unlock_irqrestore(&sm->lock, flags);
++ pm_writel(PBB_MASK, mask);
++ spin_unlock_irqrestore(&pm_lock, flags);
+ }
+
+ static unsigned long pbb_clk_get_rate(struct clk *clk)
+ {
+ unsigned long cksel, shift = 0;
+
+- cksel = sm_readl(&system_manager, PM_CKSEL);
+- if (cksel & SM_BIT(PBBDIV))
+- shift = SM_BFEXT(PBBSEL, cksel) + 1;
++ cksel = pm_readl(CKSEL);
++ if (cksel & PM_BIT(PBBDIV))
++ shift = PM_BFEXT(PBBSEL, cksel) + 1;
+
+ return bus_clk_get_rate(clk, shift);
+ }
+@@ -296,6 +329,7 @@ static unsigned long pbb_clk_get_rate(struct clk *clk)
+ static struct clk cpu_clk = {
+ .name = "cpu",
+ .get_rate = cpu_clk_get_rate,
++ .set_rate = cpu_clk_set_rate,
+ .users = 1,
+ };
+ static struct clk hsb_clk = {
+@@ -327,12 +361,12 @@ static void genclk_mode(struct clk *clk, int enabled)
+ {
+ u32 control;
+
+- control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index);
++ control = pm_readl(GCCTRL(clk->index));
+ if (enabled)
+- control |= SM_BIT(CEN);
++ control |= PM_BIT(CEN);
+ else
+- control &= ~SM_BIT(CEN);
+- sm_writel(&system_manager, PM_GCCTRL + 4 * clk->index, control);
++ control &= ~PM_BIT(CEN);
++ pm_writel(GCCTRL(clk->index), control);
+ }
+
+ static unsigned long genclk_get_rate(struct clk *clk)
+@@ -340,9 +374,9 @@ static unsigned long genclk_get_rate(struct clk *clk)
+ u32 control;
+ unsigned long div = 1;
+
+- control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index);
+- if (control & SM_BIT(DIVEN))
+- div = 2 * (SM_BFEXT(DIV, control) + 1);
++ control = pm_readl(GCCTRL(clk->index));
++ if (control & PM_BIT(DIVEN))
++ div = 2 * (PM_BFEXT(DIV, control) + 1);
+
+ return clk->parent->get_rate(clk->parent) / div;
+ }
+@@ -353,23 +387,22 @@ static long genclk_set_rate(struct clk *clk, unsigned long rate, int apply)
+ unsigned long parent_rate, actual_rate, div;
+
+ parent_rate = clk->parent->get_rate(clk->parent);
+- control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index);
++ control = pm_readl(GCCTRL(clk->index));
+
+ if (rate > 3 * parent_rate / 4) {
+ actual_rate = parent_rate;
+- control &= ~SM_BIT(DIVEN);
++ control &= ~PM_BIT(DIVEN);
+ } else {
+ div = (parent_rate + rate) / (2 * rate) - 1;
+- control = SM_BFINS(DIV, div, control) | SM_BIT(DIVEN);
++ control = PM_BFINS(DIV, div, control) | PM_BIT(DIVEN);
+ actual_rate = parent_rate / (2 * (div + 1));
+ }
+
+- printk("clk %s: new rate %lu (actual rate %lu)\n",
+- clk->name, rate, actual_rate);
++ dev_dbg(clk->dev, "clk %s: new rate %lu (actual rate %lu)\n",
++ clk->name, rate, actual_rate);
+
+ if (apply)
+- sm_writel(&system_manager, PM_GCCTRL + 4 * clk->index,
+- control);
++ pm_writel(GCCTRL(clk->index), control);
+
+ return actual_rate;
+ }
+@@ -378,24 +411,24 @@ int genclk_set_parent(struct clk *clk, struct clk *parent)
+ {
+ u32 control;
+
+- printk("clk %s: new parent %s (was %s)\n",
+- clk->name, parent->name, clk->parent->name);
++ dev_dbg(clk->dev, "clk %s: new parent %s (was %s)\n",
++ clk->name, parent->name, clk->parent->name);
+
+- control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index);
++ control = pm_readl(GCCTRL(clk->index));
+
+ if (parent == &osc1 || parent == &pll1)
+- control |= SM_BIT(OSCSEL);
++ control |= PM_BIT(OSCSEL);
+ else if (parent == &osc0 || parent == &pll0)
+- control &= ~SM_BIT(OSCSEL);
++ control &= ~PM_BIT(OSCSEL);
+ else
+ return -EINVAL;
+
+ if (parent == &pll0 || parent == &pll1)
+- control |= SM_BIT(PLLSEL);
++ control |= PM_BIT(PLLSEL);
+ else
+- control &= ~SM_BIT(PLLSEL);
++ control &= ~PM_BIT(PLLSEL);
+
+- sm_writel(&system_manager, PM_GCCTRL + 4 * clk->index, control);
++ pm_writel(GCCTRL(clk->index), control);
+ clk->parent = parent;
+
+ return 0;
+@@ -408,11 +441,11 @@ static void __init genclk_init_parent(struct clk *clk)
+
+ BUG_ON(clk->index > 7);
+
+- control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index);
+- if (control & SM_BIT(OSCSEL))
+- parent = (control & SM_BIT(PLLSEL)) ? &pll1 : &osc1;
++ control = pm_readl(GCCTRL(clk->index));
++ if (control & PM_BIT(OSCSEL))
++ parent = (control & PM_BIT(PLLSEL)) ? &pll1 : &osc1;
+ else
+- parent = (control & SM_BIT(PLLSEL)) ? &pll0 : &osc0;
++ parent = (control & PM_BIT(PLLSEL)) ? &pll0 : &osc0;
+
+ clk->parent = parent;
+ }
+@@ -420,21 +453,53 @@ static void __init genclk_init_parent(struct clk *clk)
+ /* --------------------------------------------------------------------
+ * System peripherals
+ * -------------------------------------------------------------------- */
+-static struct resource sm_resource[] = {
+- PBMEM(0xfff00000),
+- NAMED_IRQ(19, "eim"),
+- NAMED_IRQ(20, "pm"),
+- NAMED_IRQ(21, "rtc"),
+-};
+-struct platform_device at32_sm_device = {
+- .name = "sm",
+- .id = 0,
+- .resource = sm_resource,
+- .num_resources = ARRAY_SIZE(sm_resource),
++static struct resource at32_pm0_resource[] = {
++ {
++ .start = 0xfff00000,
++ .end = 0xfff0007f,
++ .flags = IORESOURCE_MEM,
++ },
++ IRQ(20),
++};
++
++static struct resource at32ap700x_rtc0_resource[] = {
++ {
++ .start = 0xfff00080,
++ .end = 0xfff000af,
++ .flags = IORESOURCE_MEM,
++ },
++ IRQ(21),
++};
++
++static struct resource at32_wdt0_resource[] = {
++ {
++ .start = 0xfff000b0,
++ .end = 0xfff000bf,
++ .flags = IORESOURCE_MEM,
++ },
+ };
+-static struct clk at32_sm_pclk = {
++
++static struct resource at32_eic0_resource[] = {
++ {
++ .start = 0xfff00100,
++ .end = 0xfff0013f,
++ .flags = IORESOURCE_MEM,
++ },
++ IRQ(19),
++};
++
++DEFINE_DEV(at32_pm, 0);
++DEFINE_DEV(at32ap700x_rtc, 0);
++DEFINE_DEV(at32_wdt, 0);
++DEFINE_DEV(at32_eic, 0);
++
++/*
++ * Peripheral clock for PM, RTC, WDT and EIC. PM will ensure that this
++ * is always running.
++ */
++static struct clk at32_pm_pclk = {
+ .name = "pclk",
+- .dev = &at32_sm_device.dev,
++ .dev = &at32_pm0_device.dev,
+ .parent = &pbb_clk,
+ .mode = pbb_clk_mode,
+ .get_rate = pbb_clk_get_rate,
+@@ -491,6 +556,17 @@ static struct clk pico_clk = {
+ .users = 1,
+ };
+
++static struct resource dmaca0_resource[] = {
++ {
++ .start = 0xff200000,
++ .end = 0xff20ffff,
++ .flags = IORESOURCE_MEM,
++ },
++ IRQ(2),
++};
++DEFINE_DEV(dmaca, 0);
++DEV_CLK(hclk, dmaca0, hsb, 10);
++
+ /* --------------------------------------------------------------------
+ * HMATRIX
+ * -------------------------------------------------------------------- */
+@@ -583,12 +659,14 @@ DEV_CLK(mck, pio4, pba, 14);
+
+ void __init at32_add_system_devices(void)
+ {
+- system_manager.eim_first_irq = EIM_IRQ_BASE;
+-
+- platform_device_register(&at32_sm_device);
++ platform_device_register(&at32_pm0_device);
+ platform_device_register(&at32_intc0_device);
++ platform_device_register(&at32ap700x_rtc0_device);
++ platform_device_register(&at32_wdt0_device);
++ platform_device_register(&at32_eic0_device);
+ platform_device_register(&smc0_device);
+ platform_device_register(&pdc_device);
++ platform_device_register(&dmaca0_device);
+
+ platform_device_register(&at32_systc0_device);
+
+@@ -894,6 +972,83 @@ at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n)
+ }
+
+ /* --------------------------------------------------------------------
++ * TWI
++ * -------------------------------------------------------------------- */
++
++static struct resource atmel_twi0_resource[] = {
++ PBMEM(0xffe00800),
++ IRQ(5),
++};
++DEFINE_DEV(atmel_twi, 0);
++DEV_CLK(pclk,atmel_twi0,pba,2);
++
++struct platform_device *__init
++at32_add_device_twi(unsigned int id)
++{
++ struct platform_device *pdev;
++
++ switch (id) {
++ case 0:
++ pdev = &atmel_twi0_device;
++ select_peripheral(PA(6), PERIPH_A, 0); /* SDA */
++ select_peripheral(PA(7), PERIPH_A, 0); /* SCL */
++ break;
++
++ default:
++ return NULL;
++ }
++
++ platform_device_register(pdev);
++ return pdev;
++}
++
++/* --------------------------------------------------------------------
++ * MMC
++ * -------------------------------------------------------------------- */
++static struct mci_platform_data atmel_mci0_data = {
++ .detect_pin = GPIO_PIN_NONE,
++ .wp_pin = GPIO_PIN_NONE,
++};
++static struct resource atmel_mci0_resource[] = {
++ PBMEM(0xfff02400),
++ IRQ(28),
++};
++DEFINE_DEV_DATA(atmel_mci, 0);
++DEV_CLK(mci_clk, atmel_mci0, pbb, 9);
++
++struct platform_device *__init
++at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
++{
++ struct platform_device *pdev;
++
++ switch (id) {
++ case 0:
++ pdev = &atmel_mci0_device;
++ select_peripheral(PA(10), PERIPH_A, 0); /* CLK */
++ select_peripheral(PA(11), PERIPH_A, 0); /* CMD */
++ select_peripheral(PA(12), PERIPH_A, 0); /* DATA0 */
++ select_peripheral(PA(13), PERIPH_A, 0); /* DATA1 */
++ select_peripheral(PA(14), PERIPH_A, 0); /* DATA2 */
++ select_peripheral(PA(15), PERIPH_A, 0); /* DATA3 */
++ break;
++ default:
++ return NULL;
++ }
++
++ if (data) {
++ if (data->detect_pin != GPIO_PIN_NONE)
++ at32_select_gpio(data->detect_pin, 0);
++ if (data->wp_pin != GPIO_PIN_NONE)
++ at32_select_gpio(data->wp_pin, 0);
++ memcpy(pdev->dev.platform_data, data,
++ sizeof(struct mci_platform_data));
++ }
++
++ platform_device_register(pdev);
++ return pdev;
++}
++
++/* --------------------------------------------------------------------
+ * LCDC
+ * -------------------------------------------------------------------- */
+ static struct atmel_lcdfb_info atmel_lcdfb0_data;
+@@ -1013,6 +1168,228 @@ err_dup_modedb:
+ }
+
+ /* --------------------------------------------------------------------
++ * USB Device Controller
++ * -------------------------------------------------------------------- */
++static struct resource usba0_resource[] __initdata = {
++ {
++ .name = "fifo",
++ .start = 0xff300000,
++ .end = 0xff3fffff,
++ .flags = IORESOURCE_MEM,
++ }, {
++ .name = "regs",
++ .start = 0xfff03000,
++ .end = 0xfff033ff,
++ .flags = IORESOURCE_MEM,
++ },
++ IRQ(31),
++};
++static struct clk usba0_pclk = {
++ .name = "pclk",
++ .parent = &pbb_clk,
++ .mode = pbb_clk_mode,
++ .get_rate = pbb_clk_get_rate,
++ .index = 12,
++};
++static struct clk usba0_hclk = {
++ .name = "hclk",
++ .parent = &hsb_clk,
++ .mode = hsb_clk_mode,
++ .get_rate = hsb_clk_get_rate,
++ .index = 6,
++};
++
++struct platform_device *__init
++at32_add_device_usba(unsigned int id, struct usba_platform_data *data)
++{
++ struct platform_device *pdev;
++
++ if (id != 0)
++ return NULL;
++
++ pdev = platform_device_alloc("atmel_usba_udc", 0);
++ if (!pdev)
++ return NULL;
++
++ if (platform_device_add_resources(pdev, usba0_resource,
++ ARRAY_SIZE(usba0_resource)))
++ goto out_free_pdev;
++
++ if (data) {
++ if (platform_device_add_data(pdev, data, sizeof(*data)))
++ goto out_free_pdev;
++
++ if (data->vbus_pin != GPIO_PIN_NONE)
++ at32_select_gpio(data->vbus_pin, 0);
++ }
++
++ usba0_pclk.dev = &pdev->dev;
++ usba0_hclk.dev = &pdev->dev;
++
++ platform_device_add(pdev);
++
++ return pdev;
++
++out_free_pdev:
++ platform_device_put(pdev);
++ return NULL;
++}
++
++/* --------------------------------------------------------------------
++ * SSC
++ * -------------------------------------------------------------------- */
++static struct resource ssc0_resource[] = {
++ PBMEM(0xffe01c00),
++ IRQ(10),
++};
++DEFINE_DEV(ssc, 0);
++DEV_CLK(pclk, ssc0, pba, 7);
++
++static struct resource ssc1_resource[] = {
++ PBMEM(0xffe02000),
++ IRQ(11),
++};
++DEFINE_DEV(ssc, 1);
++DEV_CLK(pclk, ssc1, pba, 8);
++
++static struct resource ssc2_resource[] = {
++ PBMEM(0xffe02400),
++ IRQ(12),
++};
++DEFINE_DEV(ssc, 2);
++DEV_CLK(pclk, ssc2, pba, 9);
++
++struct platform_device *__init
++at32_add_device_ssc(unsigned int id, unsigned int flags)
++{
++ struct platform_device *pdev;
++
++ switch (id) {
++ case 0:
++ pdev = &ssc0_device;
++ if (flags & ATMEL_SSC_RF)
++ select_peripheral(PA(21), PERIPH_A, 0); /* RF */
++ if (flags & ATMEL_SSC_RK)
++ select_peripheral(PA(22), PERIPH_A, 0); /* RK */
++ if (flags & ATMEL_SSC_TK)
++ select_peripheral(PA(23), PERIPH_A, 0); /* TK */
++ if (flags & ATMEL_SSC_TF)
++ select_peripheral(PA(24), PERIPH_A, 0); /* TF */
++ if (flags & ATMEL_SSC_TD)
++ select_peripheral(PA(25), PERIPH_A, 0); /* TD */
++ if (flags & ATMEL_SSC_RD)
++ select_peripheral(PA(26), PERIPH_A, 0); /* RD */
++ break;
++ case 1:
++ pdev = &ssc1_device;
++ if (flags & ATMEL_SSC_RF)
++ select_peripheral(PA(0), PERIPH_B, 0); /* RF */
++ if (flags & ATMEL_SSC_RK)
++ select_peripheral(PA(1), PERIPH_B, 0); /* RK */
++ if (flags & ATMEL_SSC_TK)
++ select_peripheral(PA(2), PERIPH_B, 0); /* TK */
++ if (flags & ATMEL_SSC_TF)
++ select_peripheral(PA(3), PERIPH_B, 0); /* TF */
++ if (flags & ATMEL_SSC_TD)
++ select_peripheral(PA(4), PERIPH_B, 0); /* TD */
++ if (flags & ATMEL_SSC_RD)
++ select_peripheral(PA(5), PERIPH_B, 0); /* RD */
++ break;
++ case 2:
++ pdev = &ssc2_device;
++ if (flags & ATMEL_SSC_TD)
++ select_peripheral(PB(13), PERIPH_A, 0); /* TD */
++ if (flags & ATMEL_SSC_RD)
++ select_peripheral(PB(14), PERIPH_A, 0); /* RD */
++ if (flags & ATMEL_SSC_TK)
++ select_peripheral(PB(15), PERIPH_A, 0); /* TK */
++ if (flags & ATMEL_SSC_TF)
++ select_peripheral(PB(16), PERIPH_A, 0); /* TF */
++ if (flags & ATMEL_SSC_RF)
++ select_peripheral(PB(17), PERIPH_A, 0); /* RF */
++ if (flags & ATMEL_SSC_RK)
++ select_peripheral(PB(18), PERIPH_A, 0); /* RK */
++ break;
++ default:
++ return NULL;
++ }
++
++ platform_device_register(pdev);
++ return pdev;
++}
++
++/* --------------------------------------------------------------------
++ * AC97C
++ * -------------------------------------------------------------------- */
++static struct resource atmel_ac97c0_resource[] = {
++ PBMEM(0xfff02800),
++ IRQ(29),
++};
++DEFINE_DEV(atmel_ac97c, 0);
++DEV_CLK(pclk, atmel_ac97c0, pbb, 10);
++
++struct platform_device *__init
++at32_add_device_ac97c(unsigned int id)
++{
++ struct platform_device *pdev;
++
++ switch (id) {
++ case 0:
++ pdev = &atmel_ac97c0_device;
++ select_peripheral(PB(20), PERIPH_B, 0); /* SYNC */
++ select_peripheral(PB(21), PERIPH_B, 0); /* SDO */
++ select_peripheral(PB(22), PERIPH_B, 0); /* SDI */
++ select_peripheral(PB(23), PERIPH_B, 0); /* SCLK */
++ break;
++ default:
++ return NULL;
++ }
++
++ platform_device_register(pdev);
++ return pdev;
++}
++
++/* --------------------------------------------------------------------
++ * DAC
++ * -------------------------------------------------------------------- */
++static struct resource abdac0_resource[] = {
++ PBMEM(0xfff02000),
++ IRQ(27),
++};
++DEFINE_DEV(abdac, 0);
++DEV_CLK(pclk, abdac0, pbb, 8);
++static struct clk abdac0_sample_clk = {
++ .name = "sample_clk",
++ .dev = &abdac0_device.dev,
++ .mode = genclk_mode,
++ .get_rate = genclk_get_rate,
++ .set_rate = genclk_set_rate,
++ .set_parent = genclk_set_parent,
++ .index = 6,
++};
++
++struct platform_device *__init
++at32_add_device_abdac(unsigned int id)
++{
++ struct platform_device *pdev;
++
++ switch (id) {
++ case 0:
++ pdev = &abdac0_device;
++ select_peripheral(PB(20), PERIPH_A, 0); /* DATA1 */
++ select_peripheral(PB(21), PERIPH_A, 0); /* DATA0 */
++ select_peripheral(PB(22), PERIPH_A, 0); /* DATAN1 */
++ select_peripheral(PB(23), PERIPH_A, 0); /* DATAN0 */
++ break;
++ default:
++ return NULL;
++ }
++
++ platform_device_register(pdev);
++ return pdev;
++}
++
++/* --------------------------------------------------------------------
+ * GCLK
+ * -------------------------------------------------------------------- */
+ static struct clk gclk0 = {
+@@ -1066,7 +1443,7 @@ struct clk *at32_clock_list[] = {
+ &hsb_clk,
+ &pba_clk,
+ &pbb_clk,
+- &at32_sm_pclk,
++ &at32_pm_pclk,
+ &at32_intc0_pclk,
+ &hmatrix_clk,
+ &ebi_clk,
+@@ -1075,6 +1452,7 @@ struct clk *at32_clock_list[] = {
+ &smc0_mck,
+ &pdc_hclk,
+ &pdc_pclk,
++ &dmaca0_hclk,
+ &pico_clk,
+ &pio0_mck,
+ &pio1_mck,
+@@ -1092,8 +1470,18 @@ struct clk *at32_clock_list[] = {
+ &macb1_pclk,
+ &atmel_spi0_spi_clk,
+ &atmel_spi1_spi_clk,
++ &atmel_twi0_pclk,
++ &atmel_mci0_mci_clk,
+ &atmel_lcdfb0_hck1,
+ &atmel_lcdfb0_pixclk,
++ &usba0_pclk,
++ &usba0_hclk,
++ &ssc0_pclk,
++ &ssc1_pclk,
++ &ssc2_pclk,
++ &atmel_ac97c0_pclk,
++ &abdac0_pclk,
++ &abdac0_sample_clk,
+ &gclk0,
+ &gclk1,
+ &gclk2,
+@@ -1113,18 +1501,20 @@ void __init at32_portmux_init(void)
+
+ void __init at32_clock_init(void)
+ {
+- struct at32_sm *sm = &system_manager;
+ u32 cpu_mask = 0, hsb_mask = 0, pba_mask = 0, pbb_mask = 0;
+ int i;
+
+- if (sm_readl(sm, PM_MCCTRL) & SM_BIT(PLLSEL))
++ if (pm_readl(MCCTRL) & PM_BIT(PLLSEL)) {
+ main_clock = &pll0;
+- else
++ cpu_clk.parent = &pll0;
++ } else {
+ main_clock = &osc0;
++ cpu_clk.parent = &osc0;
++ }
+
+- if (sm_readl(sm, PM_PLL0) & SM_BIT(PLLOSC))
++ if (pm_readl(PLL0) & PM_BIT(PLLOSC))
+ pll0.parent = &osc1;
+- if (sm_readl(sm, PM_PLL1) & SM_BIT(PLLOSC))
++ if (pm_readl(PLL1) & PM_BIT(PLLOSC))
+ pll1.parent = &osc1;
+
+ genclk_init_parent(&gclk0);
+@@ -1133,6 +1523,7 @@ void __init at32_clock_init(void)
+ genclk_init_parent(&gclk3);
+ genclk_init_parent(&gclk4);
+ genclk_init_parent(&atmel_lcdfb0_pixclk);
++ genclk_init_parent(&abdac0_sample_clk);
+
+ /*
+ * Turn on all clocks that have at least one user already, and
+@@ -1157,8 +1548,8 @@ void __init at32_clock_init(void)
+ pbb_mask |= 1 << clk->index;
+ }
+
+- sm_writel(sm, PM_CPU_MASK, cpu_mask);
+- sm_writel(sm, PM_HSB_MASK, hsb_mask);
+- sm_writel(sm, PM_PBA_MASK, pba_mask);
+- sm_writel(sm, PM_PBB_MASK, pbb_mask);
++ pm_writel(CPU_MASK, cpu_mask);
++ pm_writel(HSB_MASK, hsb_mask);
++ pm_writel(PBA_MASK, pba_mask);
++ pm_writel(PBB_MASK, pbb_mask);
+ }
+diff --git a/arch/avr32/mach-at32ap/clock.c b/arch/avr32/mach-at32ap/clock.c
+index 0f8c89c..4642117 100644
+--- a/arch/avr32/mach-at32ap/clock.c
++++ b/arch/avr32/mach-at32ap/clock.c
+@@ -150,3 +150,119 @@ struct clk *clk_get_parent(struct clk *clk)
+ return clk->parent;
+ }
+ EXPORT_SYMBOL(clk_get_parent);
++
++
++
++#ifdef CONFIG_DEBUG_FS
++
++/* /sys/kernel/debug/at32ap_clk */
++
++#include <linux/io.h>
++#include <linux/debugfs.h>
++#include <linux/seq_file.h>
++#include "pm.h"
++
++
++#define NEST_DELTA 2
++#define NEST_MAX 6
++
++struct clkinf {
++ struct seq_file *s;
++ unsigned nest;
++};
++
++static void
++dump_clock(struct clk *parent, struct clkinf *r)
++{
++ unsigned nest = r->nest;
++ char buf[16 + NEST_MAX];
++ struct clk *clk;
++ unsigned i;
++
++ /* skip clocks coupled to devices that aren't registered */
++ if (parent->dev && !parent->dev->bus_id[0] && !parent->users)
++ return;
++
++ /* <nest spaces> name <pad to end> */
++ memset(buf, ' ', sizeof(buf) - 1);
++ buf[sizeof(buf) - 1] = 0;
++ i = strlen(parent->name);
++ memcpy(buf + nest, parent->name,
++ min(i, (unsigned)(sizeof(buf) - 1 - nest)));
++
++ seq_printf(r->s, "%s%c users=%2d %-3s %9ld Hz",
++ buf, parent->set_parent ? '*' : ' ',
++ parent->users,
++ parent->users ? "on" : "off", /* NOTE: not-paranoid!! */
++ clk_get_rate(parent));
++ if (parent->dev)
++ seq_printf(r->s, ", for %s", parent->dev->bus_id);
++ seq_printf(r->s, "\n");
++
++ /* cost of this scan is small, but not linear... */
++ r->nest = nest + NEST_DELTA;
++ for (i = 3; i < at32_nr_clocks; i++) {
++ clk = at32_clock_list[i];
++ if (clk->parent == parent)
++ dump_clock(clk, r);
++ }
++ r->nest = nest;
++}
++
++static int clk_show(struct seq_file *s, void *unused)
++{
++ struct clkinf r;
++ int i;
++
++ /* show all the power manager registers */
++ seq_printf(s, "MCCTRL = %8x\n", pm_readl(MCCTRL));
++ seq_printf(s, "CKSEL = %8x\n", pm_readl(CKSEL));
++ seq_printf(s, "CPUMASK = %8x\n", pm_readl(CPU_MASK));
++ seq_printf(s, "HSBMASK = %8x\n", pm_readl(HSB_MASK));
++ seq_printf(s, "PBAMASK = %8x\n", pm_readl(PBA_MASK));
++ seq_printf(s, "PBBMASK = %8x\n", pm_readl(PBB_MASK));
++ seq_printf(s, "PLL0 = %8x\n", pm_readl(PLL0));
++ seq_printf(s, "PLL1 = %8x\n", pm_readl(PLL1));
++ seq_printf(s, "IMR = %8x\n", pm_readl(IMR));
++ for (i = 0; i < 8; i++) {
++ if (i == 5)
++ continue;
++ seq_printf(s, "GCCTRL%d = %8x\n", i, pm_readl(GCCTRL(i)));
++ }
++
++ seq_printf(s, "\n");
++
++ /* show clock tree as derived from the three oscillators
++ * we "know" are at the head of the list
++ */
++ r.s = s;
++ r.nest = 0;
++ dump_clock(at32_clock_list[0], &r);
++ dump_clock(at32_clock_list[1], &r);
++ dump_clock(at32_clock_list[2], &r);
++
++ return 0;
++}
++
++static int clk_open(struct inode *inode, struct file *file)
++{
++ return single_open(file, clk_show, NULL);
++}
++
++static const struct file_operations clk_operations = {
++ .open = clk_open,
++ .read = seq_read,
++ .llseek = seq_lseek,
++ .release = single_release,
++};
++
++static int __init clk_debugfs_init(void)
++{
++ (void) debugfs_create_file("at32ap_clk", S_IFREG | S_IRUGO,
++ NULL, NULL, &clk_operations);
++
++ return 0;
++}
++postcore_initcall(clk_debugfs_init);
++
++#endif
+diff --git a/arch/avr32/mach-at32ap/cpufreq.c b/arch/avr32/mach-at32ap/cpufreq.c
+new file mode 100644
+index 0000000..235524b
+--- /dev/null
++++ b/arch/avr32/mach-at32ap/cpufreq.c
+@@ -0,0 +1,112 @@
++/*
++ * Copyright (C) 2004-2007 Atmel Corporation
++ *
++ * Based on MIPS implementation arch/mips/kernel/time.c
++ * Copyright 2001 MontaVista Software Inc.
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++
++/*#define DEBUG*/
++
++#include <linux/kernel.h>
++#include <linux/types.h>
++#include <linux/init.h>
++#include <linux/cpufreq.h>
++#include <linux/io.h>
++#include <linux/clk.h>
++#include <linux/err.h>
++#include <asm/system.h>
++
++static struct clk *cpuclk;
++
++static int at32_verify_speed(struct cpufreq_policy *policy)
++{
++ if (policy->cpu != 0)
++ return -EINVAL;
++
++ cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq,
++ policy->cpuinfo.max_freq);
++ return 0;
++}
++
++static unsigned int at32_get_speed(unsigned int cpu)
++{
++ /* No SMP support */
++ if (cpu)
++ return 0;
++ return (unsigned int)((clk_get_rate(cpuclk) + 500) / 1000);
++}
++
++static int at32_set_target(struct cpufreq_policy *policy,
++ unsigned int target_freq,
++ unsigned int relation)
++{
++ struct cpufreq_freqs freqs;
++ long freq;
++
++ /* Convert target_freq from kHz to Hz */
++ freq = clk_round_rate(cpuclk, target_freq * 1000);
++
++ /* Check if policy->min <= new_freq <= policy->max */
++ if(freq < (policy->min * 1000) || freq > (policy->max * 1000))
++ return -EINVAL;
++
++ pr_debug("cpufreq: requested frequency %u Hz\n", target_freq * 1000);
++
++ freqs.old = at32_get_speed(0);
++ freqs.new = (freq + 500) / 1000;
++ freqs.cpu = 0;
++ freqs.flags = 0;
++
++ cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
++ clk_set_rate(cpuclk, freq);
++ cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
++
++ pr_debug("cpufreq: set frequency %lu Hz\n", freq);
++
++ return 0;
++}
++
++static int __init at32_cpufreq_driver_init(struct cpufreq_policy *policy)
++{
++ if (policy->cpu != 0)
++ return -EINVAL;
++
++ cpuclk = clk_get(NULL, "cpu");
++ if (IS_ERR(cpuclk)) {
++ pr_debug("cpufreq: could not get CPU clk\n");
++ return PTR_ERR(cpuclk);
++ }
++
++ policy->cpuinfo.min_freq = (clk_round_rate(cpuclk, 1) + 500) / 1000;
++ policy->cpuinfo.max_freq = (clk_round_rate(cpuclk, ~0UL) + 500) / 1000;
++ policy->cpuinfo.transition_latency = 0;
++ policy->cur = at32_get_speed(0);
++ policy->min = policy->cpuinfo.min_freq;
++ policy->max = policy->cpuinfo.max_freq;
++ policy->governor = CPUFREQ_DEFAULT_GOVERNOR;
++
++ printk("cpufreq: AT32AP CPU frequency driver\n");
++
++ return 0;
++}
++
++static struct cpufreq_driver at32_driver = {
++ .name = "at32ap",
++ .owner = THIS_MODULE,
++ .init = at32_cpufreq_driver_init,
++ .verify = at32_verify_speed,
++ .target = at32_set_target,
++ .get = at32_get_speed,
++ .flags = CPUFREQ_STICKY,
++};
++
++static int __init at32_cpufreq_init(void)
++{
++ return cpufreq_register_driver(&at32_driver);
++}
++
++arch_initcall(at32_cpufreq_init);
+diff --git a/arch/avr32/mach-at32ap/extint.c b/arch/avr32/mach-at32ap/extint.c
+index 4a60ecc..8acd010 100644
+--- a/arch/avr32/mach-at32ap/extint.c
++++ b/arch/avr32/mach-at32ap/extint.c
+@@ -17,42 +17,83 @@
+
+ #include <asm/io.h>
+
+-#include <asm/arch/sm.h>
+-
+-#include "sm.h"
++/* EIC register offsets */
++#define EIC_IER 0x0000
++#define EIC_IDR 0x0004
++#define EIC_IMR 0x0008
++#define EIC_ISR 0x000c
++#define EIC_ICR 0x0010
++#define EIC_MODE 0x0014
++#define EIC_EDGE 0x0018
++#define EIC_LEVEL 0x001c
++#define EIC_TEST 0x0020
++#define EIC_NMIC 0x0024
++
++/* Bitfields in TEST */
++#define EIC_TESTEN_OFFSET 31
++#define EIC_TESTEN_SIZE 1
++
++/* Bitfields in NMIC */
++#define EIC_EN_OFFSET 0
++#define EIC_EN_SIZE 1
++
++/* Bit manipulation macros */
++#define EIC_BIT(name) \
++ (1 << EIC_##name##_OFFSET)
++#define EIC_BF(name,value) \
++ (((value) & ((1 << EIC_##name##_SIZE) - 1)) \
++ << EIC_##name##_OFFSET)
++#define EIC_BFEXT(name,value) \
++ (((value) >> EIC_##name##_OFFSET) \
++ & ((1 << EIC_##name##_SIZE) - 1))
++#define EIC_BFINS(name,value,old) \
++ (((old) & ~(((1 << EIC_##name##_SIZE) - 1) \
++ << EIC_##name##_OFFSET)) \
++ | EIC_BF(name,value))
++
++/* Register access macros */
++#define eic_readl(port,reg) \
++ __raw_readl((port)->regs + EIC_##reg)
++#define eic_writel(port,reg,value) \
++ __raw_writel((value), (port)->regs + EIC_##reg)
++
++struct eic {
++ void __iomem *regs;
++ struct irq_chip *chip;
++ unsigned int first_irq;
++};
+
+-static void eim_ack_irq(unsigned int irq)
++static void eic_ack_irq(unsigned int irq)
+ {
+- struct at32_sm *sm = get_irq_chip_data(irq);
+- sm_writel(sm, EIM_ICR, 1 << (irq - sm->eim_first_irq));
++ struct eic *eic = get_irq_chip_data(irq);
++ eic_writel(eic, ICR, 1 << (irq - eic->first_irq));
+ }
+
+-static void eim_mask_irq(unsigned int irq)
++static void eic_mask_irq(unsigned int irq)
+ {
+- struct at32_sm *sm = get_irq_chip_data(irq);
+- sm_writel(sm, EIM_IDR, 1 << (irq - sm->eim_first_irq));
++ struct eic *eic = get_irq_chip_data(irq);
++ eic_writel(eic, IDR, 1 << (irq - eic->first_irq));
+ }
+
+-static void eim_mask_ack_irq(unsigned int irq)
++static void eic_mask_ack_irq(unsigned int irq)
+ {
+- struct at32_sm *sm = get_irq_chip_data(irq);
+- sm_writel(sm, EIM_ICR, 1 << (irq - sm->eim_first_irq));
+- sm_writel(sm, EIM_IDR, 1 << (irq - sm->eim_first_irq));
++ struct eic *eic = get_irq_chip_data(irq);
++ eic_writel(eic, ICR, 1 << (irq - eic->first_irq));
++ eic_writel(eic, IDR, 1 << (irq - eic->first_irq));
+ }
+
+-static void eim_unmask_irq(unsigned int irq)
++static void eic_unmask_irq(unsigned int irq)
+ {
+- struct at32_sm *sm = get_irq_chip_data(irq);
+- sm_writel(sm, EIM_IER, 1 << (irq - sm->eim_first_irq));
++ struct eic *eic = get_irq_chip_data(irq);
++ eic_writel(eic, IER, 1 << (irq - eic->first_irq));
+ }
+
+-static int eim_set_irq_type(unsigned int irq, unsigned int flow_type)
++static int eic_set_irq_type(unsigned int irq, unsigned int flow_type)
+ {
+- struct at32_sm *sm = get_irq_chip_data(irq);
++ struct eic *eic = get_irq_chip_data(irq);
+ struct irq_desc *desc;
+- unsigned int i = irq - sm->eim_first_irq;
++ unsigned int i = irq - eic->first_irq;
+ u32 mode, edge, level;
+- unsigned long flags;
+ int ret = 0;
+
+ flow_type &= IRQ_TYPE_SENSE_MASK;
+@@ -60,11 +101,10 @@ static int eim_set_irq_type(unsigned int irq, unsigned int flow_type)
+ flow_type = IRQ_TYPE_LEVEL_LOW;
+
+ desc = &irq_desc[irq];
+- spin_lock_irqsave(&sm->lock, flags);
+
+- mode = sm_readl(sm, EIM_MODE);
+- edge = sm_readl(sm, EIM_EDGE);
+- level = sm_readl(sm, EIM_LEVEL);
++ mode = eic_readl(eic, MODE);
++ edge = eic_readl(eic, EDGE);
++ level = eic_readl(eic, LEVEL);
+
+ switch (flow_type) {
+ case IRQ_TYPE_LEVEL_LOW:
+@@ -89,9 +129,9 @@ static int eim_set_irq_type(unsigned int irq, unsigned int flow_type)
+ }
+
+ if (ret == 0) {
+- sm_writel(sm, EIM_MODE, mode);
+- sm_writel(sm, EIM_EDGE, edge);
+- sm_writel(sm, EIM_LEVEL, level);
++ eic_writel(eic, MODE, mode);
++ eic_writel(eic, EDGE, edge);
++ eic_writel(eic, LEVEL, level);
+
+ if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH))
+ flow_type |= IRQ_LEVEL;
+@@ -99,35 +139,33 @@ static int eim_set_irq_type(unsigned int irq, unsigned int flow_type)
+ desc->status |= flow_type;
+ }
+
+- spin_unlock_irqrestore(&sm->lock, flags);
+-
+ return ret;
+ }
+
+-struct irq_chip eim_chip = {
+- .name = "eim",
+- .ack = eim_ack_irq,
+- .mask = eim_mask_irq,
+- .mask_ack = eim_mask_ack_irq,
+- .unmask = eim_unmask_irq,
+- .set_type = eim_set_irq_type,
++struct irq_chip eic_chip = {
++ .name = "eic",
++ .ack = eic_ack_irq,
++ .mask = eic_mask_irq,
++ .mask_ack = eic_mask_ack_irq,
++ .unmask = eic_unmask_irq,
++ .set_type = eic_set_irq_type,
+ };
+
+-static void demux_eim_irq(unsigned int irq, struct irq_desc *desc)
++static void demux_eic_irq(unsigned int irq, struct irq_desc *desc)
+ {
+- struct at32_sm *sm = desc->handler_data;
++ struct eic *eic = desc->handler_data;
+ struct irq_desc *ext_desc;
+ unsigned long status, pending;
+ unsigned int i, ext_irq;
+
+- status = sm_readl(sm, EIM_ISR);
+- pending = status & sm_readl(sm, EIM_IMR);
++ status = eic_readl(eic, ISR);
++ pending = status & eic_readl(eic, IMR);
+
+ while (pending) {
+ i = fls(pending) - 1;
+ pending &= ~(1 << i);
+
+- ext_irq = i + sm->eim_first_irq;
++ ext_irq = i + eic->first_irq;
+ ext_desc = irq_desc + ext_irq;
+ if (ext_desc->status & IRQ_LEVEL)
+ handle_level_irq(ext_irq, ext_desc);
+@@ -136,51 +174,85 @@ static void demux_eim_irq(unsigned int irq, struct irq_desc *desc)
+ }
+ }
+
+-static int __init eim_init(void)
++static int __init eic_probe(struct platform_device *pdev)
+ {
+- struct at32_sm *sm = &system_manager;
++ struct eic *eic;
++ struct resource *regs;
+ unsigned int i;
+ unsigned int nr_irqs;
+ unsigned int int_irq;
++ int ret;
+ u32 pattern;
+
+- /*
+- * The EIM is really the same module as SM, so register
+- * mapping, etc. has been taken care of already.
+- */
++ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ int_irq = platform_get_irq(pdev, 0);
++ if (!regs || !int_irq) {
++ dev_dbg(&pdev->dev, "missing regs and/or irq resource\n");
++ return -ENXIO;
++ }
++
++ ret = -ENOMEM;
++ eic = kzalloc(sizeof(struct eic), GFP_KERNEL);
++ if (!eic) {
++ dev_dbg(&pdev->dev, "no memory for eic structure\n");
++ goto err_kzalloc;
++ }
++
++ eic->first_irq = EIM_IRQ_BASE + 32 * pdev->id;
++ eic->regs = ioremap(regs->start, regs->end - regs->start + 1);
++ if (!eic->regs) {
++ dev_dbg(&pdev->dev, "failed to map regs\n");
++ goto err_ioremap;
++ }
+
+ /*
+ * Find out how many interrupt lines that are actually
+ * implemented in hardware.
+ */
+- sm_writel(sm, EIM_IDR, ~0UL);
+- sm_writel(sm, EIM_MODE, ~0UL);
+- pattern = sm_readl(sm, EIM_MODE);
++ eic_writel(eic, IDR, ~0UL);
++ eic_writel(eic, MODE, ~0UL);
++ pattern = eic_readl(eic, MODE);
+ nr_irqs = fls(pattern);
+
+ /* Trigger on falling edge unless overridden by driver */
+- sm_writel(sm, EIM_MODE, 0UL);
+- sm_writel(sm, EIM_EDGE, 0UL);
++ eic_writel(eic, MODE, 0UL);
++ eic_writel(eic, EDGE, 0UL);
+
+- sm->eim_chip = &eim_chip;
++ eic->chip = &eic_chip;
+
+ for (i = 0; i < nr_irqs; i++) {
+ /* NOTE the handler we set here is ignored by the demux */
+- set_irq_chip_and_handler(sm->eim_first_irq + i, &eim_chip,
++ set_irq_chip_and_handler(eic->first_irq + i, &eic_chip,
+ handle_level_irq);
+- set_irq_chip_data(sm->eim_first_irq + i, sm);
++ set_irq_chip_data(eic->first_irq + i, eic);
+ }
+
+- int_irq = platform_get_irq_byname(sm->pdev, "eim");
+-
+- set_irq_chained_handler(int_irq, demux_eim_irq);
+- set_irq_data(int_irq, sm);
++ set_irq_chained_handler(int_irq, demux_eic_irq);
++ set_irq_data(int_irq, eic);
+
+- printk("EIM: External Interrupt Module at 0x%p, IRQ %u\n",
+- sm->regs, int_irq);
+- printk("EIM: Handling %u external IRQs, starting with IRQ %u\n",
+- nr_irqs, sm->eim_first_irq);
++ dev_info(&pdev->dev,
++ "External Interrupt Controller at 0x%p, IRQ %u\n",
++ eic->regs, int_irq);
++ dev_info(&pdev->dev,
++ "Handling %u external IRQs, starting with IRQ %u\n",
++ nr_irqs, eic->first_irq);
+
+ return 0;
++
++err_ioremap:
++ kfree(eic);
++err_kzalloc:
++ return ret;
++}
++
++static struct platform_driver eic_driver = {
++ .driver = {
++ .name = "at32_eic",
++ },
++};
++
++static int __init eic_init(void)
++{
++ return platform_driver_probe(&eic_driver, eic_probe);
+ }
+-arch_initcall(eim_init);
++arch_initcall(eic_init);
+diff --git a/arch/avr32/mach-at32ap/gpio-dev.c b/arch/avr32/mach-at32ap/gpio-dev.c
+new file mode 100644
+index 0000000..3d4810d
+--- /dev/null
++++ b/arch/avr32/mach-at32ap/gpio-dev.c
+@@ -0,0 +1,570 @@
++/*
++ * GPIO /dev and configfs interface
++ *
++ * Copyright (C) 2006-2007 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++#include <linux/configfs.h>
++#include <linux/cdev.h>
++#include <linux/fs.h>
++#include <linux/interrupt.h>
++#include <linux/poll.h>
++#include <linux/uaccess.h>
++#include <linux/wait.h>
++
++#include <asm/gpio.h>
++#include <asm/arch/portmux.h>
++
++#define GPIO_DEV_MAX 8
++
++static struct class *gpio_dev_class;
++static dev_t gpio_devt;
++
++struct gpio_item {
++ spinlock_t lock;
++
++ int enabled;
++ int initialized;
++ int port;
++ u32 pin_mask;
++ u32 oe_mask;
++
++ /* Pin state last time we read it (for blocking reads) */
++ u32 pin_state;
++ int changed;
++
++ wait_queue_head_t change_wq;
++ struct fasync_struct *async_queue;
++
++ int id;
++ struct class_device *gpio_dev;
++ struct cdev char_dev;
++ struct config_item item;
++};
++
++struct gpio_attribute {
++ struct configfs_attribute attr;
++ ssize_t (*show)(struct gpio_item *, char *);
++ ssize_t (*store)(struct gpio_item *, const char *, size_t);
++};
++
++static irqreturn_t gpio_dev_interrupt(int irq, void *dev_id)
++{
++ struct gpio_item *gpio = dev_id;
++ u32 old_state, new_state;
++
++ old_state = gpio->pin_state;
++ new_state = at32_gpio_get_value_multiple(gpio->port, gpio->pin_mask);
++ gpio->pin_state = new_state;
++
++ if (new_state != old_state) {
++ gpio->changed = 1;
++ wake_up_interruptible(&gpio->change_wq);
++
++ if (gpio->async_queue)
++ kill_fasync(&gpio->async_queue, SIGIO, POLL_IN);
++ }
++
++ return IRQ_HANDLED;
++}
++
++static int gpio_dev_open(struct inode *inode, struct file *file)
++{
++ struct gpio_item *gpio = container_of(inode->i_cdev,
++ struct gpio_item,
++ char_dev);
++ unsigned int irq;
++ unsigned int i;
++ int ret;
++
++ nonseekable_open(inode, file);
++ config_item_get(&gpio->item);
++ file->private_data = gpio;
++
++ gpio->pin_state = at32_gpio_get_value_multiple(gpio->port,
++ gpio->pin_mask);
++ gpio->changed = 1;
++
++ for (i = 0; i < 32; i++) {
++ if (gpio->pin_mask & (1 << i)) {
++ irq = gpio_to_irq(32 * gpio->port + i);
++ ret = request_irq(irq, gpio_dev_interrupt, 0,
++ "gpio-dev", gpio);
++ if (ret)
++ goto err_irq;
++ }
++ }
++
++ return 0;
++
++err_irq:
++ while (i--) {
++ if (gpio->pin_mask & (1 << i)) {
++ irq = gpio_to_irq(32 * gpio->port + i);
++ free_irq(irq, gpio);
++ }
++ }
++
++ config_item_put(&gpio->item);
++
++ return ret;
++}
++
++static int gpio_dev_fasync(int fd, struct file *file, int mode)
++{
++ struct gpio_item *gpio = file->private_data;
++
++ return fasync_helper(fd, file, mode, &gpio->async_queue);
++}
++
++static int gpio_dev_release(struct inode *inode, struct file *file)
++{
++ struct gpio_item *gpio = file->private_data;
++ unsigned int irq;
++ unsigned int i;
++
++ gpio_dev_fasync(-1, file, 0);
++
++ for (i = 0; i < 32; i++) {
++ if (gpio->pin_mask & (1 << i)) {
++ irq = gpio_to_irq(32 * gpio->port + i);
++ free_irq(irq, gpio);
++ }
++ }
++
++ config_item_put(&gpio->item);
++
++ return 0;
++}
++
++static unsigned int gpio_dev_poll(struct file *file, poll_table *wait)
++{
++ struct gpio_item *gpio = file->private_data;
++ unsigned int mask = 0;
++
++ poll_wait(file, &gpio->change_wq, wait);
++ if (gpio->changed)
++ mask |= POLLIN | POLLRDNORM;
++
++ return mask;
++}
++
++static ssize_t gpio_dev_read(struct file *file, char __user *buf,
++ size_t count, loff_t *offset)
++{
++ struct gpio_item *gpio = file->private_data;
++ u32 value;
++
++ spin_lock_irq(&gpio->lock);
++ while (!gpio->changed) {
++ spin_unlock_irq(&gpio->lock);
++
++ if (file->f_flags & O_NONBLOCK)
++ return -EAGAIN;
++
++ if (wait_event_interruptible(gpio->change_wq, gpio->changed))
++ return -ERESTARTSYS;
++
++ spin_lock_irq(&gpio->lock);
++ }
++
++ gpio->changed = 0;
++ value = at32_gpio_get_value_multiple(gpio->port, gpio->pin_mask);
++
++ spin_unlock_irq(&gpio->lock);
++
++ count = min(count, (size_t)4);
++ if (copy_to_user(buf, &value, count))
++ return -EFAULT;
++
++ return count;
++}
++
++static ssize_t gpio_dev_write(struct file *file, const char __user *buf,
++ size_t count, loff_t *offset)
++{
++ struct gpio_item *gpio = file->private_data;
++ u32 value = 0;
++ u32 mask = ~0UL;
++
++ count = min(count, (size_t)4);
++ if (copy_from_user(&value, buf, count))
++ return -EFAULT;
++
++ /* Assuming big endian */
++ mask <<= (4 - count) * 8;
++ mask &= gpio->pin_mask;
++
++ at32_gpio_set_value_multiple(gpio->port, value, mask);
++
++ return count;
++}
++
++static struct file_operations gpio_dev_fops = {
++ .owner = THIS_MODULE,
++ .llseek = no_llseek,
++ .open = gpio_dev_open,
++ .release = gpio_dev_release,
++ .fasync = gpio_dev_fasync,
++ .poll = gpio_dev_poll,
++ .read = gpio_dev_read,
++ .write = gpio_dev_write,
++};
++
++static struct gpio_item *to_gpio_item(struct config_item *item)
++{
++ return item ? container_of(item, struct gpio_item, item) : NULL;
++}
++
++static ssize_t gpio_show_gpio_id(struct gpio_item *gpio, char *page)
++{
++ return sprintf(page, "%d\n", gpio->port);
++}
++
++static ssize_t gpio_store_gpio_id(struct gpio_item *gpio,
++ const char *page, size_t count)
++{
++ unsigned long id;
++ char *p = (char *)page;
++ ssize_t ret = -EINVAL;
++
++ id = simple_strtoul(p, &p, 0);
++ if (!p || (*p && (*p != '\n')))
++ return -EINVAL;
++
++ /* Switching PIO is not allowed when live... */
++ spin_lock(&gpio->lock);
++ if (!gpio->enabled) {
++ ret = -ENXIO;
++ if (at32_gpio_port_is_valid(id)) {
++ gpio->port = id;
++ ret = count;
++ }
++ }
++ spin_unlock(&gpio->lock);
++
++ return ret;
++}
++
++static ssize_t gpio_show_pin_mask(struct gpio_item *gpio, char *page)
++{
++ return sprintf(page, "0x%08x\n", gpio->pin_mask);
++}
++
++static ssize_t gpio_store_pin_mask(struct gpio_item *gpio,
++ const char *page, size_t count)
++{
++ u32 new_mask;
++ char *p = (char *)page;
++ ssize_t ret = -EINVAL;
++
++ new_mask = simple_strtoul(p, &p, 0);
++ if (!p || (*p && (*p != '\n')))
++ return -EINVAL;
++
++ /* Can't update the pin mask while live. */
++ spin_lock(&gpio->lock);
++ if (!gpio->enabled) {
++ gpio->oe_mask &= new_mask;
++ gpio->pin_mask = new_mask;
++ ret = count;
++ }
++ spin_unlock(&gpio->lock);
++
++ return ret;
++}
++
++static ssize_t gpio_show_oe_mask(struct gpio_item *gpio, char *page)
++{
++ return sprintf(page, "0x%08x\n", gpio->oe_mask);
++}
++
++static ssize_t gpio_store_oe_mask(struct gpio_item *gpio,
++ const char *page, size_t count)
++{
++ u32 mask;
++ char *p = (char *)page;
++ ssize_t ret = -EINVAL;
++
++ mask = simple_strtoul(p, &p, 0);
++ if (!p || (*p && (*p != '\n')))
++ return -EINVAL;
++
++ spin_lock(&gpio->lock);
++ if (!gpio->enabled) {
++ gpio->oe_mask = mask & gpio->pin_mask;
++ ret = count;
++ }
++ spin_unlock(&gpio->lock);
++
++ return ret;
++}
++
++static ssize_t gpio_show_enabled(struct gpio_item *gpio, char *page)
++{
++ return sprintf(page, "%d\n", gpio->enabled);
++}
++
++static ssize_t gpio_store_enabled(struct gpio_item *gpio,
++ const char *page, size_t count)
++{
++ char *p = (char *)page;
++ int enabled;
++ int ret;
++
++ enabled = simple_strtoul(p, &p, 0);
++ if (!p || (*p && (*p != '\n')))
++ return -EINVAL;
++
++ /* make it a boolean value */
++ enabled = !!enabled;
++
++ if (gpio->enabled == enabled)
++ /* No change; do nothing. */
++ return count;
++
++ BUG_ON(gpio->id >= GPIO_DEV_MAX);
++
++ if (!enabled) {
++ class_device_unregister(gpio->gpio_dev);
++ cdev_del(&gpio->char_dev);
++ at32_deselect_pins(gpio->port, gpio->pin_mask);
++ gpio->initialized = 0;
++ } else {
++ if (gpio->port < 0 || !gpio->pin_mask)
++ return -ENODEV;
++ }
++
++ /* Disallow any updates to gpio_id or pin_mask */
++ spin_lock(&gpio->lock);
++ gpio->enabled = enabled;
++ spin_unlock(&gpio->lock);
++
++ if (!enabled)
++ return count;
++
++ /* Now, try to allocate the pins */
++ ret = at32_select_gpio_pins(gpio->port, gpio->pin_mask, gpio->oe_mask);
++ if (ret)
++ goto err_alloc_pins;
++
++ gpio->initialized = 1;
++
++ cdev_init(&gpio->char_dev, &gpio_dev_fops);
++ gpio->char_dev.owner = THIS_MODULE;
++ ret = cdev_add(&gpio->char_dev, MKDEV(MAJOR(gpio_devt), gpio->id), 1);
++ if (ret < 0)
++ goto err_cdev_add;
++ gpio->gpio_dev = class_device_create(gpio_dev_class, NULL,
++ MKDEV(MAJOR(gpio_devt), gpio->id),
++ NULL,
++ "gpio%d", gpio->id);
++ if (IS_ERR(gpio->gpio_dev)) {
++ printk(KERN_ERR "failed to create gpio%d\n", gpio->id);
++ ret = PTR_ERR(gpio->gpio_dev);
++ goto err_class_dev;
++ }
++
++ printk(KERN_INFO "created gpio%d (port%d/0x%08x) as (%d:%d)\n",
++ gpio->id, gpio->port, gpio->pin_mask,
++ MAJOR(gpio->gpio_dev->devt), MINOR(gpio->gpio_dev->devt));
++
++ return 0;
++
++err_class_dev:
++ cdev_del(&gpio->char_dev);
++err_cdev_add:
++ at32_deselect_pins(gpio->port, gpio->pin_mask);
++ gpio->initialized = 0;
++err_alloc_pins:
++ spin_lock(&gpio->lock);
++ gpio->enabled = 0;
++ spin_unlock(&gpio->lock);
++
++ return ret;
++}
++
++static struct gpio_attribute gpio_item_attr_gpio_id = {
++ .attr = {
++ .ca_owner = THIS_MODULE,
++ .ca_name = "gpio_id",
++ .ca_mode = S_IRUGO | S_IWUSR,
++ },
++ .show = gpio_show_gpio_id,
++ .store = gpio_store_gpio_id,
++};
++static struct gpio_attribute gpio_item_attr_pin_mask = {
++ .attr = {
++ .ca_owner = THIS_MODULE,
++ .ca_name = "pin_mask",
++ .ca_mode = S_IRUGO | S_IWUSR,
++ },
++ .show = gpio_show_pin_mask,
++ .store = gpio_store_pin_mask,
++};
++static struct gpio_attribute gpio_item_attr_oe_mask = {
++ .attr = {
++ .ca_owner = THIS_MODULE,
++ .ca_name = "oe_mask",
++ .ca_mode = S_IRUGO | S_IWUSR,
++ },
++ .show = gpio_show_oe_mask,
++ .store = gpio_store_oe_mask,
++};
++static struct gpio_attribute gpio_item_attr_enabled = {
++ .attr = {
++ .ca_owner = THIS_MODULE,
++ .ca_name = "enabled",
++ .ca_mode = S_IRUGO | S_IWUSR,
++ },
++ .show = gpio_show_enabled,
++ .store = gpio_store_enabled,
++};
++
++static struct configfs_attribute *gpio_item_attrs[] = {
++ &gpio_item_attr_gpio_id.attr,
++ &gpio_item_attr_pin_mask.attr,
++ &gpio_item_attr_oe_mask.attr,
++ &gpio_item_attr_enabled.attr,
++ NULL,
++};
++
++static ssize_t gpio_show_attr(struct config_item *item,
++ struct configfs_attribute *attr,
++ char *page)
++{
++ struct gpio_item *gpio_item = to_gpio_item(item);
++ struct gpio_attribute *gpio_attr
++ = container_of(attr, struct gpio_attribute, attr);
++ ssize_t ret = 0;
++
++ if (gpio_attr->show)
++ ret = gpio_attr->show(gpio_item, page);
++ return ret;
++}
++
++static ssize_t gpio_store_attr(struct config_item *item,
++ struct configfs_attribute *attr,
++ const char *page, size_t count)
++{
++ struct gpio_item *gpio_item = to_gpio_item(item);
++ struct gpio_attribute *gpio_attr
++ = container_of(attr, struct gpio_attribute, attr);
++ ssize_t ret = -EINVAL;
++
++ if (gpio_attr->store)
++ ret = gpio_attr->store(gpio_item, page, count);
++ return ret;
++}
++
++static void gpio_release(struct config_item *item)
++{
++ kfree(to_gpio_item(item));
++}
++
++static struct configfs_item_operations gpio_item_ops = {
++ .release = gpio_release,
++ .show_attribute = gpio_show_attr,
++ .store_attribute = gpio_store_attr,
++};
++
++static struct config_item_type gpio_item_type = {
++ .ct_item_ops = &gpio_item_ops,
++ .ct_attrs = gpio_item_attrs,
++ .ct_owner = THIS_MODULE,
++};
++
++static struct config_item *gpio_make_item(struct config_group *group,
++ const char *name)
++{
++ static int next_id;
++ struct gpio_item *gpio;
++
++ if (next_id >= GPIO_DEV_MAX)
++ return NULL;
++
++ gpio = kzalloc(sizeof(struct gpio_item), GFP_KERNEL);
++ if (!gpio)
++ return NULL;
++
++ gpio->id = next_id++;
++ config_item_init_type_name(&gpio->item, name, &gpio_item_type);
++ spin_lock_init(&gpio->lock);
++ init_waitqueue_head(&gpio->change_wq);
++
++ return &gpio->item;
++}
++
++static void gpio_drop_item(struct config_group *group,
++ struct config_item *item)
++{
++ struct gpio_item *gpio = to_gpio_item(item);
++
++ spin_lock(&gpio->lock);
++ if (gpio->enabled) {
++ class_device_unregister(gpio->gpio_dev);
++ cdev_del(&gpio->char_dev);
++ }
++
++ if (gpio->initialized) {
++ at32_deselect_pins(gpio->port, gpio->pin_mask);
++ gpio->initialized = 0;
++ gpio->enabled = 0;
++ }
++ spin_unlock(&gpio->lock);
++}
++
++static struct configfs_group_operations gpio_group_ops = {
++ .make_item = gpio_make_item,
++ .drop_item = gpio_drop_item,
++};
++
++static struct config_item_type gpio_group_type = {
++ .ct_group_ops = &gpio_group_ops,
++ .ct_owner = THIS_MODULE,
++};
++
++static struct configfs_subsystem gpio_subsys = {
++ .su_group = {
++ .cg_item = {
++ .ci_namebuf = "gpio",
++ .ci_type = &gpio_group_type,
++ },
++ },
++};
++
++static int __init gpio_dev_init(void)
++{
++ int err;
++
++ gpio_dev_class = class_create(THIS_MODULE, "gpio-dev");
++ if (IS_ERR(gpio_dev_class)) {
++ err = PTR_ERR(gpio_dev_class);
++ goto err_class_create;
++ }
++
++ err = alloc_chrdev_region(&gpio_devt, 0, GPIO_DEV_MAX, "gpio");
++ if (err < 0)
++ goto err_alloc_chrdev;
++
++ /* Configfs initialization */
++ config_group_init(&gpio_subsys.su_group);
++ init_MUTEX(&gpio_subsys.su_sem);
++ err = configfs_register_subsystem(&gpio_subsys);
++ if (err)
++ goto err_register_subsys;
++
++ return 0;
++
++err_register_subsys:
++ unregister_chrdev_region(gpio_devt, GPIO_DEV_MAX);
++err_alloc_chrdev:
++ class_destroy(gpio_dev_class);
++err_class_create:
++ printk(KERN_WARNING "Failed to initialize gpio /dev interface\n");
++ return err;
++}
++late_initcall(gpio_dev_init);
+diff --git a/arch/avr32/mach-at32ap/pio.c b/arch/avr32/mach-at32ap/pio.c
+index 1eb99b8..c978c36 100644
+--- a/arch/avr32/mach-at32ap/pio.c
++++ b/arch/avr32/mach-at32ap/pio.c
+@@ -110,6 +110,10 @@ void __init at32_select_gpio(unsigned int pin, unsigned long flags)
+ pio_writel(pio, SODR, mask);
+ else
+ pio_writel(pio, CODR, mask);
++ if (flags & AT32_GPIOF_MULTIDRV)
++ pio_writel(pio, MDER, mask);
++ else
++ pio_writel(pio, MDDR, mask);
+ pio_writel(pio, PUDR, mask);
+ pio_writel(pio, OER, mask);
+ } else {
+@@ -158,6 +162,82 @@ fail:
+ dump_stack();
+ }
+
++#ifdef CONFIG_GPIO_DEV
++
++/* Gang allocators and accessors; used by the GPIO /dev driver */
++int at32_gpio_port_is_valid(unsigned int port)
++{
++ return port < MAX_NR_PIO_DEVICES && pio_dev[port].regs != NULL;
++}
++
++int at32_select_gpio_pins(unsigned int port, u32 pins, u32 oe_mask)
++{
++ struct pio_device *pio;
++ u32 old, new;
++
++ pio = &pio_dev[port];
++ BUG_ON(port > ARRAY_SIZE(pio_dev) || !pio->regs || (oe_mask & ~pins));
++
++ /* Try to allocate the pins */
++ do {
++ old = pio->pinmux_mask;
++ if (old & pins)
++ return -EBUSY;
++
++ new = old | pins;
++ } while (cmpxchg(&pio->pinmux_mask, old, new) != old);
++
++ /* That went well, now configure the port */
++ pio_writel(pio, OER, oe_mask);
++ pio_writel(pio, PER, pins);
++
++ return 0;
++}
++
++void at32_deselect_pins(unsigned int port, u32 pins)
++{
++ struct pio_device *pio;
++ u32 old, new;
++
++ pio = &pio_dev[port];
++ BUG_ON(port > ARRAY_SIZE(pio_dev) || !pio->regs);
++
++ /* Return to a "safe" mux configuration */
++ pio_writel(pio, PUER, pins);
++ pio_writel(pio, ODR, pins);
++
++ /* Deallocate the pins */
++ do {
++ old = pio->pinmux_mask;
++ new = old & ~pins;
++ } while (cmpxchg(&pio->pinmux_mask, old, new) != old);
++}
++
++u32 at32_gpio_get_value_multiple(unsigned int port, u32 pins)
++{
++ struct pio_device *pio;
++
++ pio = &pio_dev[port];
++ BUG_ON(port > ARRAY_SIZE(pio_dev) || !pio->regs);
++
++ return pio_readl(pio, PDSR) & pins;
++}
++
++void at32_gpio_set_value_multiple(unsigned int port, u32 value, u32 mask)
++{
++ struct pio_device *pio;
++
++ pio = &pio_dev[port];
++ BUG_ON(port > ARRAY_SIZE(pio_dev) || !pio->regs);
++
++ /* No atomic updates for now... */
++ pio_writel(pio, CODR, ~value & mask);
++ pio_writel(pio, SODR, value & mask);
++}
++
++#endif /* CONFIG_GPIO_DEV */
++
++
+ /*--------------------------------------------------------------------------*/
+
+ /* GPIO API */
+diff --git a/arch/avr32/mach-at32ap/pm.h b/arch/avr32/mach-at32ap/pm.h
+new file mode 100644
+index 0000000..47efd0d
+--- /dev/null
++++ b/arch/avr32/mach-at32ap/pm.h
+@@ -0,0 +1,120 @@
++/*
++ * Register definitions for the Power Manager (PM)
++ */
++#ifndef __ARCH_AVR32_MACH_AT32AP_PM_H__
++#define __ARCH_AVR32_MACH_AT32AP_PM_H__
++
++/*
++ * We can reduce the code size a bit by using a constant here. Since
++ * this file is only used on AVR32 AP CPUs with segmentation enabled,
++ * it's safe to not use ioremap. Generic drivers should of course
++ * never do this.
++ */
++#define AT32_PM_BASE 0xfff00000
++
++/* PM register offsets */
++#define PM_MCCTRL 0x0000
++#define PM_CKSEL 0x0004
++#define PM_CPU_MASK 0x0008
++#define PM_HSB_MASK 0x000c
++#define PM_PBA_MASK 0x0010
++#define PM_PBB_MASK 0x0014
++#define PM_PLL0 0x0020
++#define PM_PLL1 0x0024
++#define PM_IER 0x0040
++#define PM_IDR 0x0044
++#define PM_IMR 0x0048
++#define PM_ISR 0x004c
++#define PM_ICR 0x0050
++#define PM_GCCTRL(x) (0x0060 + 4 * (x))
++#define PM_RCAUSE 0x00c0
++
++/* Bitfields in CKSEL */
++#define PM_CPUSEL_OFFSET 0
++#define PM_CPUSEL_SIZE 3
++#define PM_CPUDIV_OFFSET 7
++#define PM_CPUDIV_SIZE 1
++#define PM_HSBSEL_OFFSET 8
++#define PM_HSBSEL_SIZE 3
++#define PM_HSBDIV_OFFSET 15
++#define PM_HSBDIV_SIZE 1
++#define PM_PBASEL_OFFSET 16
++#define PM_PBASEL_SIZE 3
++#define PM_PBADIV_OFFSET 23
++#define PM_PBADIV_SIZE 1
++#define PM_PBBSEL_OFFSET 24
++#define PM_PBBSEL_SIZE 3
++#define PM_PBBDIV_OFFSET 31
++#define PM_PBBDIV_SIZE 1
++
++/* Bitfields in PLL0 */
++#define PM_PLLEN_OFFSET 0
++#define PM_PLLEN_SIZE 1
++#define PM_PLLOSC_OFFSET 1
++#define PM_PLLOSC_SIZE 1
++#define PM_PLLOPT_OFFSET 2
++#define PM_PLLOPT_SIZE 3
++#define PM_PLLDIV_OFFSET 8
++#define PM_PLLDIV_SIZE 8
++#define PM_PLLMUL_OFFSET 16
++#define PM_PLLMUL_SIZE 8
++#define PM_PLLCOUNT_OFFSET 24
++#define PM_PLLCOUNT_SIZE 6
++#define PM_PLLTEST_OFFSET 31
++#define PM_PLLTEST_SIZE 1
++
++/* Bitfields in ICR */
++#define PM_LOCK0_OFFSET 0
++#define PM_LOCK0_SIZE 1
++#define PM_LOCK1_OFFSET 1
++#define PM_LOCK1_SIZE 1
++#define PM_WAKE_OFFSET 2
++#define PM_WAKE_SIZE 1
++#define PM_CKRDY_OFFSET 5
++#define PM_CKRDY_SIZE 1
++#define PM_MSKRDY_OFFSET 6
++#define PM_MSKRDY_SIZE 1
++
++/* Bitfields in GCCTRL0 */
++#define PM_OSCSEL_OFFSET 0
++#define PM_OSCSEL_SIZE 1
++#define PM_PLLSEL_OFFSET 1
++#define PM_PLLSEL_SIZE 1
++#define PM_CEN_OFFSET 2
++#define PM_CEN_SIZE 1
++#define PM_DIVEN_OFFSET 4
++#define PM_DIVEN_SIZE 1
++#define PM_DIV_OFFSET 8
++#define PM_DIV_SIZE 8
++
++/* Bitfields in RCAUSE */
++#define PM_POR_OFFSET 0
++#define PM_POR_SIZE 1
++#define PM_EXT_OFFSET 2
++#define PM_EXT_SIZE 1
++#define PM_WDT_OFFSET 3
++#define PM_WDT_SIZE 1
++#define PM_NTAE_OFFSET 4
++#define PM_NTAE_SIZE 1
++
++/* Bit manipulation macros */
++#define PM_BIT(name) \
++ (1 << PM_##name##_OFFSET)
++#define PM_BF(name,value) \
++ (((value) & ((1 << PM_##name##_SIZE) - 1)) \
++ << PM_##name##_OFFSET)
++#define PM_BFEXT(name,value) \
++ (((value) >> PM_##name##_OFFSET) \
++ & ((1 << PM_##name##_SIZE) - 1))
++#define PM_BFINS(name,value,old)\
++ (((old) & ~(((1 << PM_##name##_SIZE) - 1) \
++ << PM_##name##_OFFSET)) \
++ | PM_BF(name,value))
++
++/* Register access macros */
++#define pm_readl(reg) \
++ __raw_readl((void __iomem *)AT32_PM_BASE + PM_##reg)
++#define pm_writel(reg,value) \
++ __raw_writel((value), (void __iomem *)AT32_PM_BASE + PM_##reg)
++
++#endif /* __ARCH_AVR32_MACH_AT32AP_PM_H__ */
+diff --git a/arch/avr32/mach-at32ap/sm.h b/arch/avr32/mach-at32ap/sm.h
+deleted file mode 100644
+index cad02b5..0000000
+--- a/arch/avr32/mach-at32ap/sm.h
++++ /dev/null
+@@ -1,242 +0,0 @@
+-/*
+- * Register definitions for SM
+- *
+- * System Manager
+- */
+-#ifndef __ASM_AVR32_SM_H__
+-#define __ASM_AVR32_SM_H__
+-
+-/* SM register offsets */
+-#define SM_PM_MCCTRL 0x0000
+-#define SM_PM_CKSEL 0x0004
+-#define SM_PM_CPU_MASK 0x0008
+-#define SM_PM_HSB_MASK 0x000c
+-#define SM_PM_PBA_MASK 0x0010
+-#define SM_PM_PBB_MASK 0x0014
+-#define SM_PM_PLL0 0x0020
+-#define SM_PM_PLL1 0x0024
+-#define SM_PM_VCTRL 0x0030
+-#define SM_PM_VMREF 0x0034
+-#define SM_PM_VMV 0x0038
+-#define SM_PM_IER 0x0040
+-#define SM_PM_IDR 0x0044
+-#define SM_PM_IMR 0x0048
+-#define SM_PM_ISR 0x004c
+-#define SM_PM_ICR 0x0050
+-#define SM_PM_GCCTRL 0x0060
+-#define SM_RTC_CTRL 0x0080
+-#define SM_RTC_VAL 0x0084
+-#define SM_RTC_TOP 0x0088
+-#define SM_RTC_IER 0x0090
+-#define SM_RTC_IDR 0x0094
+-#define SM_RTC_IMR 0x0098
+-#define SM_RTC_ISR 0x009c
+-#define SM_RTC_ICR 0x00a0
+-#define SM_WDT_CTRL 0x00b0
+-#define SM_WDT_CLR 0x00b4
+-#define SM_WDT_EXT 0x00b8
+-#define SM_RC_RCAUSE 0x00c0
+-#define SM_EIM_IER 0x0100
+-#define SM_EIM_IDR 0x0104
+-#define SM_EIM_IMR 0x0108
+-#define SM_EIM_ISR 0x010c
+-#define SM_EIM_ICR 0x0110
+-#define SM_EIM_MODE 0x0114
+-#define SM_EIM_EDGE 0x0118
+-#define SM_EIM_LEVEL 0x011c
+-#define SM_EIM_TEST 0x0120
+-#define SM_EIM_NMIC 0x0124
+-
+-/* Bitfields in PM_MCCTRL */
+-
+-/* Bitfields in PM_CKSEL */
+-#define SM_CPUSEL_OFFSET 0
+-#define SM_CPUSEL_SIZE 3
+-#define SM_CPUDIV_OFFSET 7
+-#define SM_CPUDIV_SIZE 1
+-#define SM_HSBSEL_OFFSET 8
+-#define SM_HSBSEL_SIZE 3
+-#define SM_HSBDIV_OFFSET 15
+-#define SM_HSBDIV_SIZE 1
+-#define SM_PBASEL_OFFSET 16
+-#define SM_PBASEL_SIZE 3
+-#define SM_PBADIV_OFFSET 23
+-#define SM_PBADIV_SIZE 1
+-#define SM_PBBSEL_OFFSET 24
+-#define SM_PBBSEL_SIZE 3
+-#define SM_PBBDIV_OFFSET 31
+-#define SM_PBBDIV_SIZE 1
+-
+-/* Bitfields in PM_CPU_MASK */
+-
+-/* Bitfields in PM_HSB_MASK */
+-
+-/* Bitfields in PM_PBA_MASK */
+-
+-/* Bitfields in PM_PBB_MASK */
+-
+-/* Bitfields in PM_PLL0 */
+-#define SM_PLLEN_OFFSET 0
+-#define SM_PLLEN_SIZE 1
+-#define SM_PLLOSC_OFFSET 1
+-#define SM_PLLOSC_SIZE 1
+-#define SM_PLLOPT_OFFSET 2
+-#define SM_PLLOPT_SIZE 3
+-#define SM_PLLDIV_OFFSET 8
+-#define SM_PLLDIV_SIZE 8
+-#define SM_PLLMUL_OFFSET 16
+-#define SM_PLLMUL_SIZE 8
+-#define SM_PLLCOUNT_OFFSET 24
+-#define SM_PLLCOUNT_SIZE 6
+-#define SM_PLLTEST_OFFSET 31
+-#define SM_PLLTEST_SIZE 1
+-
+-/* Bitfields in PM_PLL1 */
+-
+-/* Bitfields in PM_VCTRL */
+-#define SM_VAUTO_OFFSET 0
+-#define SM_VAUTO_SIZE 1
+-#define SM_PM_VCTRL_VAL_OFFSET 8
+-#define SM_PM_VCTRL_VAL_SIZE 7
+-
+-/* Bitfields in PM_VMREF */
+-#define SM_REFSEL_OFFSET 0
+-#define SM_REFSEL_SIZE 4
+-
+-/* Bitfields in PM_VMV */
+-#define SM_PM_VMV_VAL_OFFSET 0
+-#define SM_PM_VMV_VAL_SIZE 8
+-
+-/* Bitfields in PM_IER */
+-
+-/* Bitfields in PM_IDR */
+-
+-/* Bitfields in PM_IMR */
+-
+-/* Bitfields in PM_ISR */
+-
+-/* Bitfields in PM_ICR */
+-#define SM_LOCK0_OFFSET 0
+-#define SM_LOCK0_SIZE 1
+-#define SM_LOCK1_OFFSET 1
+-#define SM_LOCK1_SIZE 1
+-#define SM_WAKE_OFFSET 2
+-#define SM_WAKE_SIZE 1
+-#define SM_VOK_OFFSET 3
+-#define SM_VOK_SIZE 1
+-#define SM_VMRDY_OFFSET 4
+-#define SM_VMRDY_SIZE 1
+-#define SM_CKRDY_OFFSET 5
+-#define SM_CKRDY_SIZE 1
+-
+-/* Bitfields in PM_GCCTRL */
+-#define SM_OSCSEL_OFFSET 0
+-#define SM_OSCSEL_SIZE 1
+-#define SM_PLLSEL_OFFSET 1
+-#define SM_PLLSEL_SIZE 1
+-#define SM_CEN_OFFSET 2
+-#define SM_CEN_SIZE 1
+-#define SM_CPC_OFFSET 3
+-#define SM_CPC_SIZE 1
+-#define SM_DIVEN_OFFSET 4
+-#define SM_DIVEN_SIZE 1
+-#define SM_DIV_OFFSET 8
+-#define SM_DIV_SIZE 8
+-
+-/* Bitfields in RTC_CTRL */
+-#define SM_PCLR_OFFSET 1
+-#define SM_PCLR_SIZE 1
+-#define SM_TOPEN_OFFSET 2
+-#define SM_TOPEN_SIZE 1
+-#define SM_CLKEN_OFFSET 3
+-#define SM_CLKEN_SIZE 1
+-#define SM_PSEL_OFFSET 8
+-#define SM_PSEL_SIZE 16
+-
+-/* Bitfields in RTC_VAL */
+-#define SM_RTC_VAL_VAL_OFFSET 0
+-#define SM_RTC_VAL_VAL_SIZE 31
+-
+-/* Bitfields in RTC_TOP */
+-#define SM_RTC_TOP_VAL_OFFSET 0
+-#define SM_RTC_TOP_VAL_SIZE 32
+-
+-/* Bitfields in RTC_IER */
+-
+-/* Bitfields in RTC_IDR */
+-
+-/* Bitfields in RTC_IMR */
+-
+-/* Bitfields in RTC_ISR */
+-
+-/* Bitfields in RTC_ICR */
+-#define SM_TOPI_OFFSET 0
+-#define SM_TOPI_SIZE 1
+-
+-/* Bitfields in WDT_CTRL */
+-#define SM_KEY_OFFSET 24
+-#define SM_KEY_SIZE 8
+-
+-/* Bitfields in WDT_CLR */
+-
+-/* Bitfields in WDT_EXT */
+-
+-/* Bitfields in RC_RCAUSE */
+-#define SM_POR_OFFSET 0
+-#define SM_POR_SIZE 1
+-#define SM_BOD_OFFSET 1
+-#define SM_BOD_SIZE 1
+-#define SM_EXT_OFFSET 2
+-#define SM_EXT_SIZE 1
+-#define SM_WDT_OFFSET 3
+-#define SM_WDT_SIZE 1
+-#define SM_NTAE_OFFSET 4
+-#define SM_NTAE_SIZE 1
+-#define SM_SERP_OFFSET 5
+-#define SM_SERP_SIZE 1
+-
+-/* Bitfields in EIM_IER */
+-
+-/* Bitfields in EIM_IDR */
+-
+-/* Bitfields in EIM_IMR */
+-
+-/* Bitfields in EIM_ISR */
+-
+-/* Bitfields in EIM_ICR */
+-
+-/* Bitfields in EIM_MODE */
+-
+-/* Bitfields in EIM_EDGE */
+-#define SM_INT0_OFFSET 0
+-#define SM_INT0_SIZE 1
+-#define SM_INT1_OFFSET 1
+-#define SM_INT1_SIZE 1
+-#define SM_INT2_OFFSET 2
+-#define SM_INT2_SIZE 1
+-#define SM_INT3_OFFSET 3
+-#define SM_INT3_SIZE 1
+-
+-/* Bitfields in EIM_LEVEL */
+-
+-/* Bitfields in EIM_TEST */
+-#define SM_TESTEN_OFFSET 31
+-#define SM_TESTEN_SIZE 1
+-
+-/* Bitfields in EIM_NMIC */
+-#define SM_EN_OFFSET 0
+-#define SM_EN_SIZE 1
+-
+-/* Bit manipulation macros */
+-#define SM_BIT(name) (1 << SM_##name##_OFFSET)
+-#define SM_BF(name,value) (((value) & ((1 << SM_##name##_SIZE) - 1)) << SM_##name##_OFFSET)
+-#define SM_BFEXT(name,value) (((value) >> SM_##name##_OFFSET) & ((1 << SM_##name##_SIZE) - 1))
+-#define SM_BFINS(name,value,old) (((old) & ~(((1 << SM_##name##_SIZE) - 1) << SM_##name##_OFFSET)) | SM_BF(name,value))
+-
+-/* Register access macros */
+-#define sm_readl(port,reg) \
+- __raw_readl((port)->regs + SM_##reg)
+-#define sm_writel(port,reg,value) \
+- __raw_writel((value), (port)->regs + SM_##reg)
+-
+-#endif /* __ASM_AVR32_SM_H__ */
+diff --git a/arch/avr32/mm/dma-coherent.c b/arch/avr32/mm/dma-coherent.c
+index 099212d..26f29c6 100644
+--- a/arch/avr32/mm/dma-coherent.c
++++ b/arch/avr32/mm/dma-coherent.c
+@@ -41,6 +41,13 @@ static struct page *__dma_alloc(struct device *dev, size_t size,
+ struct page *page, *free, *end;
+ int order;
+
++ /* Following is a work-around (a.k.a. hack) to prevent pages
++ * with __GFP_COMP being passed to split_page() which cannot
++ * handle them. The real problem is that this flag probably
++ * should be 0 on AVR32 as it is not supported on this
++ * platform--see CONFIG_HUGETLB_PAGE. */
++ gfp &= ~(__GFP_COMP);
++
+ size = PAGE_ALIGN(size);
+ order = get_order(size);
+
+diff --git a/drivers/char/watchdog/Kconfig b/drivers/char/watchdog/Kconfig
+index 53f5538..520afb8 100644
+--- a/drivers/char/watchdog/Kconfig
++++ b/drivers/char/watchdog/Kconfig
+@@ -187,6 +187,26 @@ config PNX4008_WATCHDOG
+
+ Say N if you are unsure.
+
++# AVR32 Architecture
++
++config AT32AP700X_WDT
++ tristate "AT32AP700x watchdog"
++ depends on WATCHDOG && CPU_AT32AP7000
++ help
++ Watchdog timer embedded into AT32AP700x devices. This will reboot
++ your system when the timeout is reached.
++
++config AT32AP700X_WDT_TIMEOUT
++ int "Timeout value for AT32AP700x watchdog"
++ depends on AT32AP700X_WDT
++ default "2"
++ range 1 2
++ help
++ Sets the timeout value for the watchdog in AT32AP700x devices.
++ Limited by hardware to be 1 or 2 seconds.
++
++ Set to 2 seconds by default.
++
+ # X86 (i386 + ia64 + x86_64) Architecture
+
+ config ACQUIRE_WDT
+diff --git a/drivers/char/watchdog/Makefile b/drivers/char/watchdog/Makefile
+index d90f649..3907ec0 100644
+--- a/drivers/char/watchdog/Makefile
++++ b/drivers/char/watchdog/Makefile
+@@ -36,6 +36,9 @@ obj-$(CONFIG_MPCORE_WATCHDOG) += mpcore_wdt.o
+ obj-$(CONFIG_EP93XX_WATCHDOG) += ep93xx_wdt.o
+ obj-$(CONFIG_PNX4008_WATCHDOG) += pnx4008_wdt.o
+
++# AVR32 Architecture
++obj-$(CONFIG_AT32AP700X_WDT) += at32ap700x_wdt.o
++
+ # X86 (i386 + ia64 + x86_64) Architecture
+ obj-$(CONFIG_ACQUIRE_WDT) += acquirewdt.o
+ obj-$(CONFIG_ADVANTECH_WDT) += advantechwdt.o
+diff --git a/drivers/char/watchdog/at32ap700x_wdt.c b/drivers/char/watchdog/at32ap700x_wdt.c
+new file mode 100644
+index 0000000..9b598d9
+--- /dev/null
++++ b/drivers/char/watchdog/at32ap700x_wdt.c
+@@ -0,0 +1,325 @@
++/*
++ * Watchdog driver for Atmel AT32AP700X devices
++ *
++ * Copyright (C) 2005-2006 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++
++#include <linux/init.h>
++#include <linux/kernel.h>
++#include <linux/module.h>
++#include <linux/moduleparam.h>
++#include <linux/miscdevice.h>
++#include <linux/fs.h>
++#include <linux/platform_device.h>
++#include <linux/watchdog.h>
++#include <linux/uaccess.h>
++#include <linux/io.h>
++
++#define TIMEOUT_MIN 1
++#define TIMEOUT_DEFAULT CONFIG_AT32AP700X_WDT_TIMEOUT
++#define TIMEOUT_MAX 2
++
++/* Watchdog registers and write/read macro */
++#define WDT_CTRL 0x00
++#define WDT_CTRL_EN 0
++#define WDT_CTRL_PSEL 8
++#define WDT_CTRL_KEY 24
++
++#define WDT_CLR 0x04
++
++#define WDT_BIT(name) (1 << WDT_##name)
++#define WDT_BF(name,value) ((value) << WDT_##name)
++
++#define wdt_readl(dev,reg) \
++ __raw_readl((dev)->regs + WDT_##reg)
++#define wdt_writel(dev,reg,value) \
++ __raw_writel((value), (dev)->regs + WDT_##reg)
++
++struct wdt_at32ap700x {
++ void __iomem *regs;
++ int timeout;
++ int users;
++ struct miscdevice miscdev;
++};
++
++static struct wdt_at32ap700x *wdt;
++
++/*
++ * Disable the watchdog.
++ */
++static void inline at32_wdt_stop(void)
++{
++ unsigned long psel = wdt_readl(wdt, CTRL) & WDT_BF(CTRL_PSEL, 0x0f);
++ wdt_writel(wdt, CTRL, psel | WDT_BF(CTRL_KEY, 0x55));
++ wdt_writel(wdt, CTRL, psel | WDT_BF(CTRL_KEY, 0xaa));
++}
++
++/*
++ * Enable and reset the watchdog.
++ */
++static void inline at32_wdt_start(void)
++{
++ /* 0xf is 2^16 divider = 2 sec, 0xe is 2^15 divider = 1 sec */
++ unsigned long psel = (wdt->timeout > 1) ? 0xf : 0xe;
++
++ wdt_writel(wdt, CTRL, WDT_BIT(CTRL_EN)
++ | WDT_BF(CTRL_PSEL, psel)
++ | WDT_BF(CTRL_KEY, 0x55));
++ wdt_writel(wdt, CTRL, WDT_BIT(CTRL_EN)
++ | WDT_BF(CTRL_PSEL, psel)
++ | WDT_BF(CTRL_KEY, 0xaa));
++}
++
++/*
++ * Pat the watchdog timer.
++ */
++static void inline at32_wdt_pat(void)
++{
++ wdt_writel(wdt, CLR, 0x42);
++}
++
++/*
++ * Watchdog device is opened, and watchdog starts running.
++ */
++static int at32_wdt_open(struct inode *inode, struct file *file)
++{
++ if (test_and_set_bit(1, &wdt->users))
++ return -EBUSY;
++
++ at32_wdt_start();
++ return nonseekable_open(inode, file);
++}
++
++/*
++ * Close the watchdog device. If CONFIG_WATCHDOG_NOWAYOUT is _not_ defined then
++ * the watchdog is also disabled.
++ */
++static int at32_wdt_close(struct inode *inode, struct file *file)
++{
++#ifndef CONFIG_WATCHDOG_NOWAYOUT
++ at32_wdt_stop();
++#endif
++ clear_bit(1, &wdt->users);
++ return 0;
++}
++
++/*
++ * Change the watchdog time interval.
++ */
++static int at32_wdt_settimeout(int time)
++{
++ /*
++ * All counting occurs at 1 / SLOW_CLOCK (32 kHz) and max prescaler is
++ * 2 ^ 16 allowing up to 2 seconds timeout.
++ */
++ if ((time < TIMEOUT_MIN) || (time > TIMEOUT_MAX))
++ return -EINVAL;
++
++ /*
++ * Set new watchdog time. It will be used when at32_wdt_start() is
++ * called.
++ */
++ wdt->timeout = time;
++ return 0;
++}
++
++static struct watchdog_info at32_wdt_info = {
++ .identity = "at32ap700x watchdog",
++ .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
++};
++
++/*
++ * Handle commands from user-space.
++ */
++static int at32_wdt_ioctl(struct inode *inode, struct file *file,
++ unsigned int cmd, unsigned long arg)
++{
++ int ret = -ENOTTY;
++ int time;
++ void __user *argp = (void __user *)arg;
++ int __user *p = argp;
++
++ switch (cmd) {
++ case WDIOC_KEEPALIVE:
++ at32_wdt_pat();
++ ret = 0;
++ break;
++ case WDIOC_GETSUPPORT:
++ ret = copy_to_user(argp, &at32_wdt_info,
++ sizeof(at32_wdt_info)) ? -EFAULT : 0;
++ break;
++ case WDIOC_SETTIMEOUT:
++ ret = get_user(time, p);
++ if (ret)
++ break;
++ ret = at32_wdt_settimeout(time);
++ if (ret)
++ break;
++ /* Enable new time value */
++ at32_wdt_start();
++ /* fall through */
++ case WDIOC_GETTIMEOUT:
++ ret = put_user(wdt->timeout, p);
++ break;
++ case WDIOC_GETSTATUS: /* fall through */
++ case WDIOC_GETBOOTSTATUS:
++ ret = put_user(0, p);
++ break;
++ case WDIOC_SETOPTIONS:
++ ret = get_user(time, p);
++ if (ret)
++ break;
++ if (time & WDIOS_DISABLECARD)
++ at32_wdt_stop();
++ if (time & WDIOS_ENABLECARD)
++ at32_wdt_start();
++ ret = 0;
++ break;
++ }
++
++ return ret;
++}
++
++static ssize_t at32_wdt_write(struct file *file, const char *data, size_t len,
++ loff_t *ppos)
++{
++ at32_wdt_pat();
++ return len;
++}
++
++static const struct file_operations at32_wdt_fops = {
++ .owner = THIS_MODULE,
++ .llseek = no_llseek,
++ .ioctl = at32_wdt_ioctl,
++ .open = at32_wdt_open,
++ .release = at32_wdt_close,
++ .write = at32_wdt_write,
++};
++
++static int __init at32_wdt_probe(struct platform_device *pdev)
++{
++ struct resource *regs;
++ int ret;
++
++ if (wdt) {
++ dev_dbg(&pdev->dev, "only 1 wdt instance supported.\n");
++ return -EBUSY;
++ }
++
++ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ if (!regs) {
++ dev_dbg(&pdev->dev, "missing mmio resource\n");
++ return -ENXIO;
++ }
++
++ wdt = kzalloc(sizeof(struct wdt_at32ap700x), GFP_KERNEL);
++ if (!wdt) {
++ dev_dbg(&pdev->dev, "no memory for wdt structure\n");
++ return -ENOMEM;
++ }
++
++ wdt->regs = ioremap(regs->start, regs->end - regs->start + 1);
++ if (!wdt->regs) {
++ ret = -ENOMEM;
++ dev_dbg(&pdev->dev, "could not map I/O memory\n");
++ goto err_free;
++ }
++ wdt->users = 0;
++ wdt->miscdev.minor = WATCHDOG_MINOR;
++ wdt->miscdev.name = "watchdog";
++ wdt->miscdev.fops = &at32_wdt_fops;
++
++ if (at32_wdt_settimeout(TIMEOUT_DEFAULT)) {
++ at32_wdt_settimeout(TIMEOUT_MAX);
++ dev_dbg(&pdev->dev,
++ "default timeout invalid, set to %d sec.\n",
++ TIMEOUT_MAX);
++ }
++
++ ret = misc_register(&wdt->miscdev);
++ if (ret) {
++ dev_dbg(&pdev->dev, "failed to register wdt miscdev\n");
++ goto err_iounmap;
++ }
++
++ platform_set_drvdata(pdev, wdt);
++ wdt->miscdev.parent = &pdev->dev;
++ dev_info(&pdev->dev, "AT32AP700X WDT at 0x%p\n", wdt->regs);
++
++ return 0;
++
++err_iounmap:
++ iounmap(wdt->regs);
++err_free:
++ kfree(wdt);
++ wdt = NULL;
++ return ret;
++}
++
++static int __exit at32_wdt_remove(struct platform_device *pdev)
++{
++ if (wdt && platform_get_drvdata(pdev) == wdt) {
++ misc_deregister(&wdt->miscdev);
++ iounmap(wdt->regs);
++ kfree(wdt);
++ wdt = NULL;
++ platform_set_drvdata(pdev, NULL);
++ }
++
++ return 0;
++}
++
++static void at32_wdt_shutdown(struct platform_device *pdev)
++{
++ at32_wdt_stop();
++}
++
++#ifdef CONFIG_PM
++static int at32_wdt_suspend(struct platform_device *pdev, pm_message_t message)
++{
++ at32_wdt_stop();
++ return 0;
++}
++
++static int at32_wdt_resume(struct platform_device *pdev)
++{
++ if (wdt->users)
++ at32_wdt_start();
++ return 0;
++}
++#else
++#define at32_wdt_suspend NULL
++#define at32_wdt_resume NULL
++#endif
++
++static struct platform_driver at32_wdt_driver = {
++ .remove = __exit_p(at32_wdt_remove),
++ .suspend = at32_wdt_suspend,
++ .resume = at32_wdt_resume,
++ .driver = {
++ .name = "at32_wdt",
++ .owner = THIS_MODULE,
++ },
++ .shutdown = at32_wdt_shutdown,
++};
++
++static int __init at32_wdt_init(void)
++{
++ return platform_driver_probe(&at32_wdt_driver, at32_wdt_probe);
++}
++module_init(at32_wdt_init);
++
++static void __exit at32_wdt_exit(void)
++{
++ platform_driver_unregister(&at32_wdt_driver);
++}
++module_exit(at32_wdt_exit);
++
++MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>");
++MODULE_DESCRIPTION("Watchdog driver for Atmel AT32AP700X");
++MODULE_LICENSE("GPL");
++MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
+diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
+index 838dc1c..80da12d 100644
+--- a/drivers/i2c/busses/Kconfig
++++ b/drivers/i2c/busses/Kconfig
+@@ -4,6 +4,26 @@
+
+ menu "I2C Hardware Bus support"
+
++config I2C_ATMELTWI
++ tristate "Atmel TWI/I2C"
++ depends on I2C
++ help
++ Atmel on-chip TWI controller. Say Y if you have an AT32 or
++ AT91-based device and want to use its built-in TWI
++ functionality. Atmel's TWI is compatible with Philips' I2C
++ protocol. If in doubt, say NO
++
++config I2C_ATMELTWI_BAUDRATE
++ prompt "Atmel TWI baudrate"
++ depends on I2C_ATMELTWI
++ int
++ default 100000
++ help
++ Set the TWI/I2C baudrate. This will alter the default value. A
++ different baudrate can be set by using a module parameter as well. If
++ no parameter is provided when loading, this is the value that will be
++ used.
++
+ config I2C_ALI1535
+ tristate "ALI 1535"
+ depends on PCI
+diff --git a/drivers/i2c/busses/Makefile b/drivers/i2c/busses/Makefile
+index 14d1432..fd7c3b3 100644
+--- a/drivers/i2c/busses/Makefile
++++ b/drivers/i2c/busses/Makefile
+@@ -52,6 +52,7 @@ obj-$(CONFIG_I2C_VIAPRO) += i2c-viapro.o
+ obj-$(CONFIG_I2C_VOODOO3) += i2c-voodoo3.o
+ obj-$(CONFIG_SCx200_ACB) += scx200_acb.o
+ obj-$(CONFIG_SCx200_I2C) += scx200_i2c.o
++obj-$(CONFIG_I2C_ATMELTWI) += i2c-atmeltwi.o
+
+ ifeq ($(CONFIG_I2C_DEBUG_BUS),y)
+ EXTRA_CFLAGS += -DDEBUG
+diff --git a/drivers/i2c/busses/atmeltwi.h b/drivers/i2c/busses/atmeltwi.h
+new file mode 100644
+index 0000000..8502ea6
+--- /dev/null
++++ b/drivers/i2c/busses/atmeltwi.h
+@@ -0,0 +1,117 @@
++/*
++ * Register definitions for the Atmel Two-Wire Interface
++ */
++
++#ifndef __ASM_AVR32_TWI_H__
++#define __ASM_AVR32_TWI_H__
++
++/* TWI register offsets */
++#define TWI_CR 0x0000
++#define TWI_MMR 0x0004
++#define TWI_SMR 0x0008
++#define TWI_IADR 0x000c
++#define TWI_CWGR 0x0010
++#define TWI_SR 0x0020
++#define TWI_IER 0x0024
++#define TWI_IDR 0x0028
++#define TWI_IMR 0x002c
++#define TWI_RHR 0x0030
++#define TWI_THR 0x0034
++
++/* Bitfields in CR */
++#define TWI_START_OFFSET 0
++#define TWI_START_SIZE 1
++#define TWI_STOP_OFFSET 1
++#define TWI_STOP_SIZE 1
++#define TWI_MSEN_OFFSET 2
++#define TWI_MSEN_SIZE 1
++#define TWI_MSDIS_OFFSET 3
++#define TWI_MSDIS_SIZE 1
++#define TWI_SVEN_OFFSET 4
++#define TWI_SVEN_SIZE 1
++#define TWI_SVDIS_OFFSET 5
++#define TWI_SVDIS_SIZE 1
++#define TWI_SWRST_OFFSET 7
++#define TWI_SWRST_SIZE 1
++
++/* Bitfields in MMR */
++#define TWI_IADRSZ_OFFSET 8
++#define TWI_IADRSZ_SIZE 2
++#define TWI_MREAD_OFFSET 12
++#define TWI_MREAD_SIZE 1
++#define TWI_DADR_OFFSET 16
++#define TWI_DADR_SIZE 7
++
++/* Bitfields in SMR */
++#define TWI_SADR_OFFSET 16
++#define TWI_SADR_SIZE 7
++
++/* Bitfields in IADR */
++#define TWI_IADR_OFFSET 0
++#define TWI_IADR_SIZE 24
++
++/* Bitfields in CWGR */
++#define TWI_CLDIV_OFFSET 0
++#define TWI_CLDIV_SIZE 8
++#define TWI_CHDIV_OFFSET 8
++#define TWI_CHDIV_SIZE 8
++#define TWI_CKDIV_OFFSET 16
++#define TWI_CKDIV_SIZE 3
++
++/* Bitfields in SR */
++#define TWI_TXCOMP_OFFSET 0
++#define TWI_TXCOMP_SIZE 1
++#define TWI_RXRDY_OFFSET 1
++#define TWI_RXRDY_SIZE 1
++#define TWI_TXRDY_OFFSET 2
++#define TWI_TXRDY_SIZE 1
++#define TWI_SVDIR_OFFSET 3
++#define TWI_SVDIR_SIZE 1
++#define TWI_SVACC_OFFSET 4
++#define TWI_SVACC_SIZE 1
++#define TWI_GCACC_OFFSET 5
++#define TWI_GCACC_SIZE 1
++#define TWI_OVRE_OFFSET 6
++#define TWI_OVRE_SIZE 1
++#define TWI_UNRE_OFFSET 7
++#define TWI_UNRE_SIZE 1
++#define TWI_NACK_OFFSET 8
++#define TWI_NACK_SIZE 1
++#define TWI_ARBLST_OFFSET 9
++#define TWI_ARBLST_SIZE 1
++
++/* Bitfields in RHR */
++#define TWI_RXDATA_OFFSET 0
++#define TWI_RXDATA_SIZE 8
++
++/* Bitfields in THR */
++#define TWI_TXDATA_OFFSET 0
++#define TWI_TXDATA_SIZE 8
++
++/* Constants for IADRSZ */
++#define TWI_IADRSZ_NO_ADDR 0
++#define TWI_IADRSZ_ONE_BYTE 1
++#define TWI_IADRSZ_TWO_BYTES 2
++#define TWI_IADRSZ_THREE_BYTES 3
++
++/* Bit manipulation macros */
++#define TWI_BIT(name) \
++ (1 << TWI_##name##_OFFSET)
++#define TWI_BF(name,value) \
++ (((value) & ((1 << TWI_##name##_SIZE) - 1)) \
++ << TWI_##name##_OFFSET)
++#define TWI_BFEXT(name,value) \
++ (((value) >> TWI_##name##_OFFSET) \
++ & ((1 << TWI_##name##_SIZE) - 1))
++#define TWI_BFINS(name,value,old) \
++ (((old) & ~(((1 << TWI_##name##_SIZE) - 1) \
++ << TWI_##name##_OFFSET)) \
++ | TWI_BF(name,value))
++
++/* Register access macros */
++#define twi_readl(port,reg) \
++ __raw_readl((port)->regs + TWI_##reg)
++#define twi_writel(port,reg,value) \
++ __raw_writel((value), (port)->regs + TWI_##reg)
++
++#endif /* __ASM_AVR32_TWI_H__ */
+diff --git a/drivers/i2c/busses/i2c-atmeltwi.c b/drivers/i2c/busses/i2c-atmeltwi.c
+new file mode 100644
+index 0000000..9a3f223
+--- /dev/null
++++ b/drivers/i2c/busses/i2c-atmeltwi.c
+@@ -0,0 +1,383 @@
++/*
++ * i2c Support for Atmel's Two-Wire Interface (TWI)
++ *
++ * Based on the work of Copyright (C) 2004 Rick Bronson
++ * Converted to 2.6 by Andrew Victor <andrew at sanpeople.com>
++ * Ported to AVR32 and heavily modified by Espen Krangnes
++ * <ekrangnes at atmel.com>
++ *
++ * Copyright (C) 2006 Atmel Corporation
++ *
++ * Borrowed heavily from the original work by:
++ * Copyright (C) 2000 Philip Edelbrock <phil at stimpy.netroedge.com>
++ *
++ * Partialy rewriten by Karel Hojdar <cmkaho at seznam.cz>
++ * bugs removed, interrupt routine markedly rewritten
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License as published by
++ * the Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ */
++
++
++#include <linux/err.h>
++#include <linux/module.h>
++#include <linux/kernel.h>
++#include <linux/slab.h>
++#include <linux/types.h>
++#include <linux/delay.h>
++#include <linux/i2c.h>
++#include <linux/init.h>
++#include <linux/clk.h>
++#include <linux/interrupt.h>
++#include <linux/irq.h>
++#include <linux/platform_device.h>
++#include <linux/completion.h>
++#include <asm/io.h>
++#include <linux/time.h>
++#include "atmeltwi.h"
++
++static unsigned int baudrate = CONFIG_I2C_ATMELTWI_BAUDRATE;
++module_param(baudrate, uint, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
++MODULE_PARM_DESC(baudrate, "The TWI baudrate");
++
++
++struct atmel_twi {
++ void __iomem *regs;
++ struct i2c_adapter adapter;
++ struct clk *pclk;
++ spinlock_t lock;
++ struct completion comp;
++ u32 intmask;
++ u8 *buf;
++ u8 len;
++ u8 acks_left;
++ u8 nack;
++ unsigned int irq;
++
++};
++#define to_atmel_twi(adap) container_of(adap, struct atmel_twi, adapter)
++
++/*
++ * Initialize the TWI hardware registers.
++ */
++static int __devinit twi_hwinit(struct atmel_twi *twi)
++{
++ unsigned long cdiv, ckdiv=0;
++
++ twi_writel(twi, IDR, ~0UL);
++ twi_writel(twi, CR, TWI_BIT(SWRST)); /*Reset peripheral*/
++ twi_readl(twi, SR);
++
++ cdiv = (clk_get_rate(twi->pclk) / (2 * baudrate)) - 4;
++
++ while (cdiv > 255) {
++ ckdiv++;
++ cdiv = cdiv >> 1;
++ }
++
++ if (ckdiv > 7)
++ return -EINVAL;
++ else
++ twi_writel(twi, CWGR, (TWI_BF(CKDIV, ckdiv)
++ | TWI_BF(CHDIV, cdiv)
++ | TWI_BF(CLDIV, cdiv)));
++ return 0;
++}
++
++/*
++ * Waits for the i2c status register to set the specified bitmask
++ * Returns 0 if timed out (~100ms).
++ */
++static short twi_complete(struct atmel_twi *twi, u32 mask)
++{
++ int timeout = msecs_to_jiffies(100);
++
++ twi->intmask = mask;
++ init_completion(&twi->comp);
++
++ twi_writel(twi, IER, mask);
++
++ if (!wait_for_completion_timeout(&twi->comp, timeout)) {
++ /* RESET TWI interface */
++ twi_writel(twi, CR, TWI_BIT(SWRST));
++
++ /* Reinitialize TWI */
++ twi_hwinit(twi);
++
++ return -ETIMEDOUT;
++ }
++ return 0;
++}
++
++/*
++ * Generic i2c master transfer entrypoint.
++ */
++static int twi_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num)
++{
++ struct atmel_twi *twi = to_atmel_twi(adap);
++ struct i2c_msg *pmsg;
++ int i;
++
++ /* get first message */
++ pmsg = msgs;
++
++ dev_dbg(&adap->dev, "twi_xfer: processing %d messages:\n", num);
++
++ twi->nack = 0;
++ for (i = 0; i < num; i++, pmsg++) {
++ twi->len = pmsg->len;
++ twi->buf = pmsg->buf;
++ twi->acks_left = pmsg->len;
++ twi_writel(twi, MMR, TWI_BF(DADR, pmsg->addr) |
++ (pmsg->flags & I2C_M_RD ? TWI_BIT(MREAD) : 0));
++ twi_writel(twi, IADR, TWI_BF(IADR, pmsg->addr));
++
++ dev_dbg(&adap->dev,"#%d: internal addr %d %s byte%s %s 0x%02x\n",
++ i,pmsg->len, pmsg->flags & I2C_M_RD ? "reading" : "writing",
++ pmsg->len > 1 ? "s" : "",
++ pmsg->flags & I2C_M_RD ? "from" : "to", pmsg->addr);
++
++ /* enable */
++ twi_writel(twi, CR, TWI_BIT(MSEN));
++
++ if (pmsg->flags & I2C_M_RD) {
++ if (twi->len == 1)
++ twi_writel(twi, CR,
++ TWI_BIT(START) | TWI_BIT(STOP));
++ else
++ twi_writel(twi, CR, TWI_BIT(START));
++
++ if (twi_complete(twi, TWI_BIT(RXRDY)) == -ETIMEDOUT) {
++ dev_dbg(&adap->dev, "RXRDY timeout. Stopped with %d bytes left\n",
++ twi->acks_left);
++ return -ETIMEDOUT;
++ }
++ } else {
++ twi_writel(twi, THR, twi->buf[0]);
++ if (twi_complete(twi, TWI_BIT(TXRDY)) == -ETIMEDOUT) {
++ dev_dbg(&adap->dev, "TXRDY timeout. Stopped with %d bytes left\n",
++ twi->acks_left);
++ return -ETIMEDOUT;
++ }
++
++ if (twi->nack)
++ return -ENODEV;
++ }
++
++ /* Disable TWI interface */
++ twi_writel(twi, CR, TWI_BIT(MSDIS));
++
++ } /* end cur msg */
++
++ return i;
++}
++
++
++static irqreturn_t twi_interrupt(int irq, void *dev_id)
++{
++ struct atmel_twi *twi = dev_id;
++ int status = twi_readl(twi, SR);
++
++ /* Save state for later debug prints */
++ int old_mask = twi->intmask;
++ int old_status = status;
++
++ if (twi->intmask & status) {
++ if (status & TWI_BIT(NACK))
++ goto nack;
++
++ status &= twi->intmask;
++
++ if (status & TWI_BIT(TXCOMP))
++ goto complete;
++
++ else if (status & TWI_BIT(RXRDY)) {
++ if ( twi->acks_left > 0 ) {
++ twi->buf[twi->len - twi->acks_left] =
++ twi_readl(twi, RHR);
++ twi->acks_left--;
++ }
++ if ( twi->acks_left == 1 )
++ twi_writel(twi, CR, TWI_BIT(STOP));
++
++ if (twi->acks_left == 0 ) {
++ twi->intmask = TWI_BIT(TXCOMP);
++ twi_writel(twi, IER, TWI_BIT(TXCOMP));
++ }
++ } else if (status & TWI_BIT(TXRDY)) {
++ twi->acks_left--;
++ if ( twi->acks_left == 0 ) {
++ twi->intmask = TWI_BIT(TXCOMP);
++ twi_writel(twi, IER, TWI_BIT(TXCOMP));
++ } else if (twi->acks_left > 0)
++ twi_writel(twi, THR, twi->buf[twi->len - twi->acks_left]);
++ }
++ }
++
++ dev_dbg(&twi->adapter.dev,
++ "TWI ISR, SR 0x%08X, intmask 0x%08X, acks_left %i.\n",
++ old_status, old_mask, twi->acks_left);
++
++ return IRQ_HANDLED;
++
++nack:
++ dev_dbg(&twi->adapter.dev, "NACK received!\n");
++ twi->nack = 1;
++
++complete:
++ twi_writel(twi, IDR, ~0UL);
++ complete(&twi->comp);
++
++ dev_dbg(&twi->adapter.dev,
++ "TWI ISR, SR 0x%08X, intmask 0x%08X, \
++ acks_left %i - completed.\n",
++ old_status, old_mask, twi->acks_left);
++
++ return IRQ_HANDLED;
++}
++
++
++/*
++ * Return list of supported functionality.
++ */
++static u32 twi_func(struct i2c_adapter *adapter)
++{
++ return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
++}
++
++/* For now, we only handle combined mode (smbus) */
++static struct i2c_algorithm twi_algorithm = {
++ .master_xfer = twi_xfer,
++ .functionality = twi_func,
++};
++
++/*
++ * Main initialization routine.
++ */
++static int __devinit twi_probe(struct platform_device *pdev)
++{
++ struct atmel_twi *twi;
++ struct resource *regs;
++ struct clk *pclk;
++ struct i2c_adapter *adapter;
++ int rc, irq;
++
++ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ if (!regs)
++ return -ENXIO;
++
++ pclk = clk_get(&pdev->dev, "pclk");
++ if (IS_ERR(pclk))
++ return PTR_ERR(pclk);
++ clk_enable(pclk);
++
++ rc = -ENOMEM;
++ twi = kzalloc(sizeof(struct atmel_twi), GFP_KERNEL);
++ if (!twi) {
++ dev_err(&pdev->dev, "can't allocate interface!\n");
++ goto err_alloc_twi;
++ }
++
++ twi->pclk = pclk;
++ twi->regs = ioremap(regs->start, regs->end - regs->start + 1);
++ if (!twi->regs)
++ goto err_ioremap;
++
++ irq = platform_get_irq(pdev,0);
++ rc = request_irq(irq, twi_interrupt, 0, "twi", twi);
++ if (rc) {
++ dev_err(&pdev->dev, "can't bind irq!\n");
++ goto err_irq;
++ }
++ twi->irq = irq;
++
++ rc = twi_hwinit(twi);
++ if (rc) {
++ dev_err(&pdev->dev, "Unable to set baudrate\n");
++ goto err_hw_init;
++ }
++
++ adapter = &twi->adapter;
++ sprintf(adapter->name, "TWI");
++ adapter->algo = &twi_algorithm;
++ adapter->class = I2C_CLASS_HWMON;
++ adapter->dev.parent = &pdev->dev;
++
++ platform_set_drvdata(pdev, twi);
++
++ rc = i2c_add_adapter(adapter);
++ if (rc) {
++ dev_err(&pdev->dev, "Adapter %s registration failed\n",
++ adapter->name);
++ goto err_register;
++ }
++
++ dev_info(&pdev->dev, "Atmel TWI i2c bus device (baudrate %dk) at 0x%08lx.\n",
++ baudrate/1000, (unsigned long)regs->start);
++
++ return 0;
++
++
++err_register:
++ platform_set_drvdata(pdev, NULL);
++
++err_hw_init:
++ free_irq(irq, twi);
++
++err_irq:
++ iounmap(twi->regs);
++
++err_ioremap:
++ kfree(twi);
++
++err_alloc_twi:
++ clk_disable(pclk);
++ clk_put(pclk);
++
++ return rc;
++}
++
++static int __devexit twi_remove(struct platform_device *pdev)
++{
++ struct atmel_twi *twi = platform_get_drvdata(pdev);
++ int res;
++
++ platform_set_drvdata(pdev, NULL);
++ res = i2c_del_adapter(&twi->adapter);
++ twi_writel(twi, CR, TWI_BIT(MSDIS));
++ iounmap(twi->regs);
++ clk_disable(twi->pclk);
++ clk_put(twi->pclk);
++ free_irq(twi->irq, twi);
++ kfree(twi);
++
++ return res;
++}
++
++static struct platform_driver twi_driver = {
++ .probe = twi_probe,
++ .remove = __devexit_p(twi_remove),
++ .driver = {
++ .name = "atmel_twi",
++ .owner = THIS_MODULE,
++ },
++};
++
++static int __init atmel_twi_init(void)
++{
++ return platform_driver_register(&twi_driver);
++}
++
++static void __exit atmel_twi_exit(void)
++{
++ platform_driver_unregister(&twi_driver);
++}
++
++module_init(atmel_twi_init);
++module_exit(atmel_twi_exit);
++
++MODULE_AUTHOR("Espen Krangnes");
++MODULE_DESCRIPTION("I2C driver for Atmel TWI");
++MODULE_LICENSE("GPL");
+diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig
+index 50e06e8..7bbea09 100644
+--- a/drivers/input/mouse/Kconfig
++++ b/drivers/input/mouse/Kconfig
+@@ -216,4 +216,20 @@ config MOUSE_HIL
+ help
+ Say Y here to support HIL pointers.
+
++config MOUSE_GPIO
++ tristate "GPIO mouse"
++ depends on GENERIC_GPIO
++ select INPUT_POLLDEV
++ help
++ This driver simulates a mouse on GPIO lines of various CPUs (and some
++ other chips).
++
++ Say Y here if your device has buttons or a simple joystick connected
++ directly to GPIO lines. Your board-specific setup logic must also
++ provide a platform device and platform data saying which GPIOs are
++ used.
++
++ To compile this driver as a module, choose M here: the
++ module will be called gpio_mouse.
++
+ endif
+diff --git a/drivers/input/mouse/Makefile b/drivers/input/mouse/Makefile
+index aa4ba87..9e6e363 100644
+--- a/drivers/input/mouse/Makefile
++++ b/drivers/input/mouse/Makefile
+@@ -15,6 +15,7 @@ obj-$(CONFIG_MOUSE_PS2) += psmouse.o
+ obj-$(CONFIG_MOUSE_SERIAL) += sermouse.o
+ obj-$(CONFIG_MOUSE_HIL) += hil_ptr.o
+ obj-$(CONFIG_MOUSE_VSXXXAA) += vsxxxaa.o
++obj-$(CONFIG_MOUSE_GPIO) += gpio_mouse.o
+
+ psmouse-objs := psmouse-base.o synaptics.o
+
+diff --git a/drivers/input/mouse/gpio_mouse.c b/drivers/input/mouse/gpio_mouse.c
+new file mode 100644
+index 0000000..0936d6b
+--- /dev/null
++++ b/drivers/input/mouse/gpio_mouse.c
+@@ -0,0 +1,196 @@
++/*
++ * Driver for simulating a mouse on GPIO lines.
++ *
++ * Copyright (C) 2007 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++
++#include <linux/init.h>
++#include <linux/version.h>
++#include <linux/module.h>
++#include <linux/platform_device.h>
++#include <linux/input-polldev.h>
++#include <linux/gpio_mouse.h>
++
++#include <asm/gpio.h>
++
++/*
++ * Timer function which is run every scan_ms ms when the device is opened.
++ * The dev input varaible is set to the the input_dev pointer.
++ */
++static void gpio_mouse_scan(struct input_polled_dev *dev)
++{
++ struct gpio_mouse_platform_data *gpio = dev->private;
++ struct input_dev *input = dev->input;
++ int x, y;
++
++ if (gpio->bleft >= 0)
++ input_report_key(input, BTN_LEFT,
++ gpio_get_value(gpio->bleft) ^ gpio->polarity);
++ if (gpio->bmiddle >= 0)
++ input_report_key(input, BTN_MIDDLE,
++ gpio_get_value(gpio->bmiddle) ^ gpio->polarity);
++ if (gpio->bright >= 0)
++ input_report_key(input, BTN_RIGHT,
++ gpio_get_value(gpio->bright) ^ gpio->polarity);
++
++ x = (gpio_get_value(gpio->right) ^ gpio->polarity)
++ - (gpio_get_value(gpio->left) ^ gpio->polarity);
++ y = (gpio_get_value(gpio->down) ^ gpio->polarity)
++ - (gpio_get_value(gpio->up) ^ gpio->polarity);
++
++ input_report_rel(input, REL_X, x);
++ input_report_rel(input, REL_Y, y);
++ input_sync(input);
++}
++
++static int __init gpio_mouse_probe(struct platform_device *pdev)
++{
++ struct gpio_mouse_platform_data *pdata = pdev->dev.platform_data;
++ struct input_polled_dev *input_poll;
++ struct input_dev *input;
++ int pin, i;
++ int error;
++
++ if (!pdata) {
++ dev_err(&pdev->dev, "no platform data\n");
++ error = -ENXIO;
++ goto out;
++ }
++
++ if (pdata->scan_ms < 0) {
++ dev_err(&pdev->dev, "invalid scan time\n");
++ error = -EINVAL;
++ goto out;
++ }
++
++ for (i = 0; i < GPIO_MOUSE_PIN_MAX; i++) {
++ pin = pdata->pins[i];
++
++ if (pin < 0) {
++
++ if (i <= GPIO_MOUSE_PIN_RIGHT) {
++ /* Mouse direction is required. */
++ dev_err(&pdev->dev,
++ "missing GPIO for directions\n");
++ error = -EINVAL;
++ goto out_free_gpios;
++ }
++
++ if (i == GPIO_MOUSE_PIN_BLEFT)
++ dev_dbg(&pdev->dev, "no left button defined\n");
++
++ } else {
++ error = gpio_request(pin, "gpio_mouse");
++ if (error) {
++ dev_err(&pdev->dev, "fail %d pin (%d idx)\n",
++ pin, i);
++ goto out_free_gpios;
++ }
++
++ gpio_direction_input(pin);
++ }
++ }
++
++ input_poll = input_allocate_polled_device();
++ if (!input_poll) {
++ dev_err(&pdev->dev, "not enough memory for input device\n");
++ error = -ENOMEM;
++ goto out_free_gpios;
++ }
++
++ platform_set_drvdata(pdev, input_poll);
++
++ /* set input-polldev handlers */
++ input_poll->private = pdata;
++ input_poll->poll = gpio_mouse_scan;
++ input_poll->poll_interval = pdata->scan_ms;
++
++ input = input_poll->input;
++ input->name = pdev->name;
++ input->id.bustype = BUS_HOST;
++ input->dev.parent = &pdev->dev;
++
++ input_set_capability(input, EV_REL, REL_X);
++ input_set_capability(input, EV_REL, REL_Y);
++ if (pdata->bleft >= 0)
++ input_set_capability(input, EV_KEY, BTN_LEFT);
++ if (pdata->bmiddle >= 0)
++ input_set_capability(input, EV_KEY, BTN_MIDDLE);
++ if (pdata->bright >= 0)
++ input_set_capability(input, EV_KEY, BTN_RIGHT);
++
++ error = input_register_polled_device(input_poll);
++ if (error) {
++ dev_err(&pdev->dev, "could not register input device\n");
++ goto out_free_polldev;
++ }
++
++ dev_dbg(&pdev->dev, "%d ms scan time, buttons: %s%s%s\n",
++ pdata->scan_ms,
++ pdata->bleft < 0 ? "" : "left ",
++ pdata->bmiddle < 0 ? "" : "middle ",
++ pdata->bright < 0 ? "" : "right");
++
++ return 0;
++
++ out_free_polldev:
++ input_free_polled_device(input_poll);
++ platform_set_drvdata(pdev, NULL);
++
++ out_free_gpios:
++ while (--i >= 0) {
++ pin = pdata->pins[i];
++ if (pin)
++ gpio_free(pin);
++ }
++ out:
++ return error;
++}
++
++static int __devexit gpio_mouse_remove(struct platform_device *pdev)
++{
++ struct input_polled_dev *input = platform_get_drvdata(pdev);
++ struct gpio_mouse_platform_data *pdata = input->private;
++ int pin, i;
++
++ input_unregister_polled_device(input);
++ input_free_polled_device(input);
++
++ for (i = 0; i < GPIO_MOUSE_PIN_MAX; i++) {
++ pin = pdata->pins[i];
++ if (pin >= 0)
++ gpio_free(pin);
++ }
++
++ platform_set_drvdata(pdev, NULL);
++
++ return 0;
++}
++
++struct platform_driver gpio_mouse_device_driver = {
++ .remove = __devexit_p(gpio_mouse_remove),
++ .driver = {
++ .name = "gpio_mouse",
++ }
++};
++
++static int __init gpio_mouse_init(void)
++{
++ return platform_driver_probe(&gpio_mouse_device_driver,
++ gpio_mouse_probe);
++}
++module_init(gpio_mouse_init);
++
++static void __exit gpio_mouse_exit(void)
++{
++ platform_driver_unregister(&gpio_mouse_device_driver);
++}
++module_exit(gpio_mouse_exit);
++
++MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>");
++MODULE_DESCRIPTION("GPIO mouse driver");
++MODULE_LICENSE("GPL");
+diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
+index 87d2046..9ce3ca1 100644
+--- a/drivers/leds/Kconfig
++++ b/drivers/leds/Kconfig
+@@ -95,6 +95,14 @@ config LEDS_COBALT
+ help
+ This option enables support for the front LED on Cobalt Server
+
++config LEDS_GPIO
++ tristate "LED Support for GPIO connected LEDs"
++ depends on LEDS_CLASS && GENERIC_GPIO
++ help
++ This option enables support for the LEDs connected to GPIO
++ outputs. To be useful the particular board must have LEDs
++ and they must be connected to the GPIO lines.
++
+ comment "LED Triggers"
+
+ config LEDS_TRIGGERS
+diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
+index aa2c18e..f8995c9 100644
+--- a/drivers/leds/Makefile
++++ b/drivers/leds/Makefile
+@@ -16,6 +16,7 @@ obj-$(CONFIG_LEDS_NET48XX) += leds-net48xx.o
+ obj-$(CONFIG_LEDS_WRAP) += leds-wrap.o
+ obj-$(CONFIG_LEDS_H1940) += leds-h1940.o
+ obj-$(CONFIG_LEDS_COBALT) += leds-cobalt.o
++obj-$(CONFIG_LEDS_GPIO) += leds-gpio.o
+
+ # LED Triggers
+ obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o
+diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
+new file mode 100644
+index 0000000..47d90db
+--- /dev/null
++++ b/drivers/leds/leds-gpio.c
+@@ -0,0 +1,199 @@
++/*
++ * LEDs driver for GPIOs
++ *
++ * Copyright (C) 2007 8D Technologies inc.
++ * Raphael Assenat <raph@8d.com>
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ *
++ */
++#include <linux/kernel.h>
++#include <linux/init.h>
++#include <linux/platform_device.h>
++#include <linux/leds.h>
++#include <linux/workqueue.h>
++
++#include <asm/gpio.h>
++
++struct gpio_led_data {
++ struct led_classdev cdev;
++ unsigned gpio;
++ struct work_struct work;
++ u8 new_level;
++ u8 can_sleep;
++ u8 active_low;
++};
++
++static void gpio_led_work(struct work_struct *work)
++{
++ struct gpio_led_data *led_dat =
++ container_of(work, struct gpio_led_data, work);
++
++ gpio_set_value_cansleep(led_dat->gpio, led_dat->new_level);
++}
++
++static void gpio_led_set(struct led_classdev *led_cdev,
++ enum led_brightness value)
++{
++ struct gpio_led_data *led_dat =
++ container_of(led_cdev, struct gpio_led_data, cdev);
++ int level;
++
++ if (value == LED_OFF)
++ level = 0;
++ else
++ level = 1;
++
++ if (led_dat->active_low)
++ level = !level;
++
++ /* setting GPIOs with I2C/etc requires a preemptible task context */
++ if (led_dat->can_sleep) {
++ if (preempt_count()) {
++ led_dat->new_level = level;
++ schedule_work(&led_dat->work);
++ } else
++ gpio_set_value_cansleep(led_dat->gpio, level);
++ } else
++ gpio_set_value(led_dat->gpio, level);
++}
++
++static int __init gpio_led_probe(struct platform_device *pdev)
++{
++ struct gpio_led_platform_data *pdata = pdev->dev.platform_data;
++ struct gpio_led *cur_led;
++ struct gpio_led_data *leds_data, *led_dat;
++ int i, ret = 0;
++
++ if (!pdata)
++ return -EBUSY;
++
++ leds_data = kzalloc(sizeof(struct gpio_led_data) * pdata->num_leds,
++ GFP_KERNEL);
++ if (!leds_data)
++ return -ENOMEM;
++
++ for (i = 0; i < pdata->num_leds; i++) {
++ cur_led = &pdata->leds[i];
++ led_dat = &leds_data[i];
++
++ led_dat->cdev.name = cur_led->name;
++ led_dat->cdev.default_trigger = cur_led->default_trigger;
++ led_dat->gpio = cur_led->gpio;
++ led_dat->can_sleep = gpio_cansleep(cur_led->gpio);
++ led_dat->active_low = cur_led->active_low;
++ led_dat->cdev.brightness_set = gpio_led_set;
++ led_dat->cdev.brightness = cur_led->active_low ? LED_FULL : LED_OFF;
++
++ ret = gpio_request(led_dat->gpio, led_dat->cdev.name);
++ if (ret < 0)
++ goto err;
++
++ gpio_direction_output(led_dat->gpio, led_dat->active_low);
++
++ ret = led_classdev_register(&pdev->dev, &led_dat->cdev);
++ if (ret < 0) {
++ gpio_free(led_dat->gpio);
++ goto err;
++ }
++
++ INIT_WORK(&led_dat->work, gpio_led_work);
++ }
++
++ platform_set_drvdata(pdev, leds_data);
++
++ return 0;
++
++err:
++ if (i > 0) {
++ for (i = i - 1; i >= 0; i--) {
++ led_classdev_unregister(&leds_data[i].cdev);
++ gpio_free(leds_data[i].gpio);
++ }
++ }
++
++ flush_scheduled_work();
++ kfree(leds_data);
++
++ return ret;
++}
++
++static int __exit gpio_led_remove(struct platform_device *pdev)
++{
++ int i;
++ struct gpio_led_platform_data *pdata = pdev->dev.platform_data;
++ struct gpio_led_data *leds_data;
++
++ leds_data = platform_get_drvdata(pdev);
++
++ for (i = 0; i < pdata->num_leds; i++) {
++ led_classdev_unregister(&leds_data[i].cdev);
++ gpio_free(leds_data[i].gpio);
++ }
++
++ kfree(leds_data);
++
++ return 0;
++}
++
++#ifdef CONFIG_PM
++static int gpio_led_suspend(struct platform_device *pdev, pm_message_t state)
++{
++ struct gpio_led_platform_data *pdata = pdev->dev.platform_data;
++ struct gpio_led_data *leds_data;
++ int i;
++
++ leds_data = platform_get_drvdata(pdev);
++
++ for (i = 0; i < pdata->num_leds; i++)
++ led_classdev_suspend(&leds_data[i].cdev);
++
++ return 0;
++}
++
++static int gpio_led_resume(struct platform_device *pdev)
++{
++ struct gpio_led_platform_data *pdata = pdev->dev.platform_data;
++ struct gpio_led_data *leds_data;
++ int i;
++
++ leds_data = platform_get_drvdata(pdev);
++
++ for (i = 0; i < pdata->num_leds; i++)
++ led_classdev_resume(&leds_data[i].cdev);
++
++ return 0;
++}
++#else
++#define gpio_led_suspend NULL
++#define gpio_led_resume NULL
++#endif
++
++static struct platform_driver gpio_led_driver = {
++ .remove = __exit_p(gpio_led_remove),
++ .suspend = gpio_led_suspend,
++ .resume = gpio_led_resume,
++ .driver = {
++ .name = "leds-gpio",
++ .owner = THIS_MODULE,
++ },
++};
++
++static int __init gpio_led_init(void)
++{
++ return platform_driver_probe(&gpio_led_driver, gpio_led_probe);
++}
++
++static void __exit gpio_led_exit(void)
++{
++ platform_driver_unregister(&gpio_led_driver);
++}
++
++module_init(gpio_led_init);
++module_exit(gpio_led_exit);
++
++MODULE_AUTHOR("Raphael Assenat <raph@8d.com>");
++MODULE_DESCRIPTION("GPIO LED driver");
++MODULE_LICENSE("GPL");
+diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
+index 616eee9..0810d83 100644
+--- a/drivers/misc/Kconfig
++++ b/drivers/misc/Kconfig
+@@ -187,5 +187,15 @@ config THINKPAD_ACPI_BAY
+
+ If you are not sure, say Y here.
+
++config ATMEL_SSC
++ tristate "Device driver for Atmel SSC peripheral"
++ depends on AVR32 || ARCH_AT91
++ ---help---
++ This option enables device driver support for Atmel Syncronized
++ Serial Communication peripheral (SSC).
++
++ The SSC peripheral supports a wide variety of serial frame based
++ communications, i.e. I2S, SPI, etc.
+
++ If unsure, say N.
+ endmenu
+diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
+index 8abbf2f..2d52cc6 100644
+--- a/drivers/misc/Makefile
++++ b/drivers/misc/Makefile
+@@ -14,3 +14,4 @@ obj-$(CONFIG_PHANTOM) += phantom.o
+ obj-$(CONFIG_SGI_IOC4) += ioc4.o
+ obj-$(CONFIG_SONY_LAPTOP) += sony-laptop.o
+ obj-$(CONFIG_THINKPAD_ACPI) += thinkpad_acpi.o
++obj-$(CONFIG_ATMEL_SSC) += atmel-ssc.o
+diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c
+new file mode 100644
+index 0000000..058ccac
+--- /dev/null
++++ b/drivers/misc/atmel-ssc.c
+@@ -0,0 +1,174 @@
++/*
++ * Atmel SSC driver
++ *
++ * Copyright (C) 2007 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++
++#include <linux/platform_device.h>
++#include <linux/list.h>
++#include <linux/clk.h>
++#include <linux/err.h>
++#include <linux/io.h>
++#include <linux/list.h>
++#include <linux/spinlock.h>
++#include <linux/atmel-ssc.h>
++
++/* Serialize access to ssc_list and user count */
++static DEFINE_SPINLOCK(user_lock);
++static LIST_HEAD(ssc_list);
++
++struct ssc_device *ssc_request(unsigned int ssc_num)
++{
++ int ssc_valid = 0;
++ struct ssc_device *ssc;
++
++ spin_lock(&user_lock);
++ list_for_each_entry(ssc, &ssc_list, list) {
++ if (ssc->pdev->id == ssc_num) {
++ ssc_valid = 1;
++ break;
++ }
++ }
++
++ if (!ssc_valid) {
++ spin_unlock(&user_lock);
++ dev_dbg(&ssc->pdev->dev, "could not find requested device\n");
++ return ERR_PTR(-ENODEV);
++ }
++
++ if (ssc->user) {
++ spin_unlock(&user_lock);
++ dev_dbg(&ssc->pdev->dev, "module busy\n");
++ return ERR_PTR(-EBUSY);
++ }
++ ssc->user++;
++ spin_unlock(&user_lock);
++
++ clk_enable(ssc->clk);
++
++ return ssc;
++}
++EXPORT_SYMBOL(ssc_request);
++
++void ssc_free(struct ssc_device *ssc)
++{
++ spin_lock(&user_lock);
++ if (ssc->user) {
++ ssc->user--;
++ clk_disable(ssc->clk);
++ } else {
++ dev_dbg(&ssc->pdev->dev, "device already free\n");
++ }
++ spin_unlock(&user_lock);
++}
++EXPORT_SYMBOL(ssc_free);
++
++static int __init ssc_probe(struct platform_device *pdev)
++{
++ int retval = 0;
++ struct resource *regs;
++ struct ssc_device *ssc;
++
++ ssc = kzalloc(sizeof(struct ssc_device), GFP_KERNEL);
++ if (!ssc) {
++ dev_dbg(&pdev->dev, "out of memory\n");
++ retval = -ENOMEM;
++ goto out;
++ }
++
++ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ if (!regs) {
++ dev_dbg(&pdev->dev, "no mmio resource defined\n");
++ retval = -ENXIO;
++ goto out_free;
++ }
++
++ ssc->clk = clk_get(&pdev->dev, "pclk");
++ if (IS_ERR(ssc->clk)) {
++ dev_dbg(&pdev->dev, "no pclk clock defined\n");
++ retval = -ENXIO;
++ goto out_free;
++ }
++
++ ssc->pdev = pdev;
++ ssc->regs = ioremap(regs->start, regs->end - regs->start + 1);
++ if (!ssc->regs) {
++ dev_dbg(&pdev->dev, "ioremap failed\n");
++ retval = -EINVAL;
++ goto out_clk;
++ }
++
++ /* disable all interrupts */
++ clk_enable(ssc->clk);
++ ssc_writel(ssc->regs, IDR, ~0UL);
++ ssc_readl(ssc->regs, SR);
++ clk_disable(ssc->clk);
++
++ ssc->irq = platform_get_irq(pdev, 0);
++ if (!ssc->irq) {
++ dev_dbg(&pdev->dev, "could not get irq\n");
++ retval = -ENXIO;
++ goto out_unmap;
++ }
++
++ spin_lock(&user_lock);
++ list_add_tail(&ssc->list, &ssc_list);
++ spin_unlock(&user_lock);
++
++ platform_set_drvdata(pdev, ssc);
++
++ dev_info(&pdev->dev, "Atmel SSC device at 0x%p (irq %d)\n",
++ ssc->regs, ssc->irq);
++
++ goto out;
++
++out_unmap:
++ iounmap(ssc->regs);
++out_clk:
++ clk_put(ssc->clk);
++out_free:
++ kfree(ssc);
++out:
++ return retval;
++}
++
++static int __devexit ssc_remove(struct platform_device *pdev)
++{
++ struct ssc_device *ssc = platform_get_drvdata(pdev);
++
++ spin_lock(&user_lock);
++ iounmap(ssc->regs);
++ clk_put(ssc->clk);
++ list_del(&ssc->list);
++ kfree(ssc);
++ spin_unlock(&user_lock);
++
++ return 0;
++}
++
++static struct platform_driver ssc_driver = {
++ .remove = __devexit_p(ssc_remove),
++ .driver = {
++ .name = "ssc",
++ },
++};
++
++static int __init ssc_init(void)
++{
++ return platform_driver_probe(&ssc_driver, ssc_probe);
++}
++module_init(ssc_init);
++
++static void __exit ssc_exit(void)
++{
++ platform_driver_unregister(&ssc_driver);
++}
++module_exit(ssc_exit);
++
++MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>");
++MODULE_DESCRIPTION("SSC driver for Atmel AVR32 and AT91");
++MODULE_LICENSE("GPL");
+diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
+index e23082f..1de1716 100644
+--- a/drivers/mmc/host/Kconfig
++++ b/drivers/mmc/host/Kconfig
+@@ -74,6 +74,16 @@ config MMC_AT91
+
+ If unsure, say N.
+
++config MMC_ATMELMCI
++ tristate "Atmel Multimedia Card Interface support"
++ depends on AVR32 && MMC
++ help
++ This selects the Atmel Multimedia Card Interface. If you have
++ a AT91 (ARM) or AT32 (AVR32) platform with a Multimedia Card
++ slot, say Y or M here.
++
++ If unsure, say N.
++
+ config MMC_IMX
+ tristate "Motorola i.MX Multimedia Card Interface support"
+ depends on ARCH_IMX
+diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile
+index 6685f64..4b8e6e2 100644
+--- a/drivers/mmc/host/Makefile
++++ b/drivers/mmc/host/Makefile
+@@ -14,5 +14,6 @@ obj-$(CONFIG_MMC_WBSD) += wbsd.o
+ obj-$(CONFIG_MMC_AU1X) += au1xmmc.o
+ obj-$(CONFIG_MMC_OMAP) += omap.o
+ obj-$(CONFIG_MMC_AT91) += at91_mci.o
++obj-$(CONFIG_MMC_ATMELMCI) += atmel-mci.o
+ obj-$(CONFIG_MMC_TIFM_SD) += tifm_sd.o
+
+diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
+new file mode 100644
+index 0000000..74d343f
+--- /dev/null
++++ b/drivers/mmc/host/atmel-mci.c
+@@ -0,0 +1,1217 @@
++/*
++ * Atmel MultiMedia Card Interface driver
++ *
++ * Copyright (C) 2004-2006 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++#include <linux/blkdev.h>
++#include <linux/clk.h>
++#include <linux/device.h>
++#include <linux/dma-mapping.h>
++#include <linux/init.h>
++#include <linux/interrupt.h>
++#include <linux/ioport.h>
++#include <linux/module.h>
++#include <linux/platform_device.h>
++
++#include <linux/mmc/host.h>
++
++#include <asm/dma-controller.h>
++#include <asm/io.h>
++#include <asm/arch/board.h>
++#include <asm/arch/gpio.h>
++
++#include "atmel-mci.h"
++
++#define DRIVER_NAME "atmel_mci"
++
++#define MCI_CMD_ERROR_FLAGS (MCI_BIT(RINDE) | MCI_BIT(RDIRE) | \
++ MCI_BIT(RCRCE) | MCI_BIT(RENDE) | \
++ MCI_BIT(RTOE))
++#define MCI_DATA_ERROR_FLAGS (MCI_BIT(DCRCE) | MCI_BIT(DTOE) | \
++ MCI_BIT(OVRE) | MCI_BIT(UNRE))
++
++enum {
++ EVENT_CMD_COMPLETE = 0,
++ EVENT_CMD_ERROR,
++ EVENT_DATA_COMPLETE,
++ EVENT_DATA_ERROR,
++ EVENT_STOP_SENT,
++ EVENT_STOP_COMPLETE,
++ EVENT_STOP_ERROR,
++ EVENT_DMA_ERROR,
++ EVENT_CARD_DETECT,
++};
++
++struct atmel_mci_dma {
++ struct dma_request_sg req;
++ unsigned short rx_periph_id;
++ unsigned short tx_periph_id;
++};
++
++struct atmel_mci {
++ struct mmc_host *mmc;
++ void __iomem *regs;
++ struct atmel_mci_dma dma;
++
++ struct mmc_request *mrq;
++ struct mmc_command *cmd;
++ struct mmc_data *data;
++
++ u32 stop_cmdr;
++ u32 stop_iflags;
++
++ struct tasklet_struct tasklet;
++ unsigned long pending_events;
++ unsigned long completed_events;
++ u32 error_status;
++
++ int present;
++ int detect_pin;
++ int wp_pin;
++
++ unsigned long bus_hz;
++ unsigned long mapbase;
++ struct clk *mck;
++ struct platform_device *pdev;
++
++#ifdef CONFIG_DEBUG_FS
++ struct dentry *debugfs_root;
++ struct dentry *debugfs_regs;
++ struct dentry *debugfs_req;
++ struct dentry *debugfs_pending_events;
++ struct dentry *debugfs_completed_events;
++#endif
++};
++
++/* Those printks take an awful lot of time... */
++#ifndef DEBUG
++static unsigned int fmax = 15000000U;
++#else
++static unsigned int fmax = 1000000U;
++#endif
++module_param(fmax, uint, 0444);
++MODULE_PARM_DESC(fmax, "Max frequency in Hz of the MMC bus clock");
++
++/* Test bit macros for completed events */
++#define mci_cmd_is_complete(host) \
++ test_bit(EVENT_CMD_COMPLETE, &host->completed_events)
++#define mci_cmd_error_is_complete(host) \
++ test_bit(EVENT_CMD_ERROR, &host->completed_events)
++#define mci_data_is_complete(host) \
++ test_bit(EVENT_DATA_COMPLETE, &host->completed_events)
++#define mci_data_error_is_complete(host) \
++ test_bit(EVENT_DATA_ERROR, &host->completed_events)
++#define mci_stop_sent_is_complete(host) \
++ test_bit(EVENT_STOP_SENT, &host->completed_events)
++#define mci_stop_is_complete(host) \
++ test_bit(EVENT_STOP_COMPLETE, &host->completed_events)
++#define mci_stop_error_is_complete(host) \
++ test_bit(EVENT_STOP_ERROR, &host->completed_events)
++#define mci_dma_error_is_complete(host) \
++ test_bit(EVENT_DMA_ERROR, &host->completed_events)
++#define mci_card_detect_is_complete(host) \
++ test_bit(EVENT_CARD_DETECT, &host->completed_events)
++
++/* Test and clear bit macros for pending events */
++#define mci_clear_cmd_is_pending(host) \
++ test_and_clear_bit(EVENT_CMD_COMPLETE, &host->pending_events)
++#define mci_clear_cmd_error_is_pending(host) \
++ test_and_clear_bit(EVENT_CMD_ERROR, &host->pending_events)
++#define mci_clear_data_is_pending(host) \
++ test_and_clear_bit(EVENT_DATA_COMPLETE, &host->pending_events)
++#define mci_clear_data_error_is_pending(host) \
++ test_and_clear_bit(EVENT_DATA_ERROR, &host->pending_events)
++#define mci_clear_stop_sent_is_pending(host) \
++ test_and_clear_bit(EVENT_STOP_SENT, &host->pending_events)
++#define mci_clear_stop_is_pending(host) \
++ test_and_clear_bit(EVENT_STOP_COMPLETE, &host->pending_events)
++#define mci_clear_stop_error_is_pending(host) \
++ test_and_clear_bit(EVENT_STOP_ERROR, &host->pending_events)
++#define mci_clear_dma_error_is_pending(host) \
++ test_and_clear_bit(EVENT_DMA_ERROR, &host->pending_events)
++#define mci_clear_card_detect_is_pending(host) \
++ test_and_clear_bit(EVENT_CARD_DETECT, &host->pending_events)
++
++/* Test and set bit macros for completed events */
++#define mci_set_cmd_is_completed(host) \
++ test_and_set_bit(EVENT_CMD_COMPLETE, &host->completed_events)
++#define mci_set_cmd_error_is_completed(host) \
++ test_and_set_bit(EVENT_CMD_ERROR, &host->completed_events)
++#define mci_set_data_is_completed(host) \
++ test_and_set_bit(EVENT_DATA_COMPLETE, &host->completed_events)
++#define mci_set_data_error_is_completed(host) \
++ test_and_set_bit(EVENT_DATA_ERROR, &host->completed_events)
++#define mci_set_stop_sent_is_completed(host) \
++ test_and_set_bit(EVENT_STOP_SENT, &host->completed_events)
++#define mci_set_stop_is_completed(host) \
++ test_and_set_bit(EVENT_STOP_COMPLETE, &host->completed_events)
++#define mci_set_stop_error_is_completed(host) \
++ test_and_set_bit(EVENT_STOP_ERROR, &host->completed_events)
++#define mci_set_dma_error_is_completed(host) \
++ test_and_set_bit(EVENT_DMA_ERROR, &host->completed_events)
++#define mci_set_card_detect_is_completed(host) \
++ test_and_set_bit(EVENT_CARD_DETECT, &host->completed_events)
++
++/* Set bit macros for completed events */
++#define mci_set_cmd_complete(host) \
++ set_bit(EVENT_CMD_COMPLETE, &host->completed_events)
++#define mci_set_cmd_error_complete(host) \
++ set_bit(EVENT_CMD_ERROR, &host->completed_events)
++#define mci_set_data_complete(host) \
++ set_bit(EVENT_DATA_COMPLETE, &host->completed_events)
++#define mci_set_data_error_complete(host) \
++ set_bit(EVENT_DATA_ERROR, &host->completed_events)
++#define mci_set_stop_sent_complete(host) \
++ set_bit(EVENT_STOP_SENT, &host->completed_events)
++#define mci_set_stop_complete(host) \
++ set_bit(EVENT_STOP_COMPLETE, &host->completed_events)
++#define mci_set_stop_error_complete(host) \
++ set_bit(EVENT_STOP_ERROR, &host->completed_events)
++#define mci_set_dma_error_complete(host) \
++ set_bit(EVENT_DMA_ERROR, &host->completed_events)
++#define mci_set_card_detect_complete(host) \
++ set_bit(EVENT_CARD_DETECT, &host->completed_events)
++
++/* Set bit macros for pending events */
++#define mci_set_cmd_pending(host) \
++ set_bit(EVENT_CMD_COMPLETE, &host->pending_events)
++#define mci_set_cmd_error_pending(host) \
++ set_bit(EVENT_CMD_ERROR, &host->pending_events)
++#define mci_set_data_pending(host) \
++ set_bit(EVENT_DATA_COMPLETE, &host->pending_events)
++#define mci_set_data_error_pending(host) \
++ set_bit(EVENT_DATA_ERROR, &host->pending_events)
++#define mci_set_stop_sent_pending(host) \
++ set_bit(EVENT_STOP_SENT, &host->pending_events)
++#define mci_set_stop_pending(host) \
++ set_bit(EVENT_STOP_COMPLETE, &host->pending_events)
++#define mci_set_stop_error_pending(host) \
++ set_bit(EVENT_STOP_ERROR, &host->pending_events)
++#define mci_set_dma_error_pending(host) \
++ set_bit(EVENT_DMA_ERROR, &host->pending_events)
++#define mci_set_card_detect_pending(host) \
++ set_bit(EVENT_CARD_DETECT, &host->pending_events)
++
++/* Clear bit macros for pending events */
++#define mci_clear_cmd_pending(host) \
++ clear_bit(EVENT_CMD_COMPLETE, &host->pending_events)
++#define mci_clear_cmd_error_pending(host) \
++ clear_bit(EVENT_CMD_ERROR, &host->pending_events)
++#define mci_clear_data_pending(host) \
++ clear_bit(EVENT_DATA_COMPLETE, &host->pending_events)
++#define mci_clear_data_error_pending(host) \
++ clear_bit(EVENT_DATA_ERROR, &host->pending_events)
++#define mci_clear_stop_sent_pending(host) \
++ clear_bit(EVENT_STOP_SENT, &host->pending_events)
++#define mci_clear_stop_pending(host) \
++ clear_bit(EVENT_STOP_COMPLETE, &host->pending_events)
++#define mci_clear_stop_error_pending(host) \
++ clear_bit(EVENT_STOP_ERROR, &host->pending_events)
++#define mci_clear_dma_error_pending(host) \
++ clear_bit(EVENT_DMA_ERROR, &host->pending_events)
++#define mci_clear_card_detect_pending(host) \
++ clear_bit(EVENT_CARD_DETECT, &host->pending_events)
++
++
++#ifdef CONFIG_DEBUG_FS
++#include <linux/debugfs.h>
++
++#define DBG_REQ_BUF_SIZE (4096 - sizeof(unsigned int))
++
++struct req_dbg_data {
++ unsigned int nbytes;
++ char str[DBG_REQ_BUF_SIZE];
++};
++
++static int req_dbg_open(struct inode *inode, struct file *file)
++{
++ struct atmel_mci *host;
++ struct mmc_request *mrq;
++ struct mmc_command *cmd, *stop;
++ struct mmc_data *data;
++ struct req_dbg_data *priv;
++ char *str;
++ unsigned long n = 0;
++
++ priv = kzalloc(DBG_REQ_BUF_SIZE, GFP_KERNEL);
++ if (!priv)
++ return -ENOMEM;
++ str = priv->str;
++
++ mutex_lock(&inode->i_mutex);
++ host = inode->i_private;
++
++ spin_lock_irq(&host->mmc->lock);
++ mrq = host->mrq;
++ if (mrq) {
++ cmd = mrq->cmd;
++ data = mrq->data;
++ stop = mrq->stop;
++ n = snprintf(str, DBG_REQ_BUF_SIZE,
++ "CMD%u(0x%x) %x %x %x %x %x (err %u)\n",
++ cmd->opcode, cmd->arg, cmd->flags,
++ cmd->resp[0], cmd->resp[1], cmd->resp[2],
++ cmd->resp[3], cmd->error);
++ if (n < DBG_REQ_BUF_SIZE && data)
++ n += snprintf(str + n, DBG_REQ_BUF_SIZE - n,
++ "DATA %u * %u (%u) %x (err %u)\n",
++ data->blocks, data->blksz,
++ data->bytes_xfered, data->flags,
++ data->error);
++ if (n < DBG_REQ_BUF_SIZE && stop)
++ n += snprintf(str + n, DBG_REQ_BUF_SIZE - n,
++ "CMD%u(0x%x) %x %x %x %x %x (err %u)\n",
++ stop->opcode, stop->arg, stop->flags,
++ stop->resp[0], stop->resp[1],
++ stop->resp[2], stop->resp[3],
++ stop->error);
++ }
++ spin_unlock_irq(&host->mmc->lock);
++ mutex_unlock(&inode->i_mutex);
++
++ priv->nbytes = min(n, DBG_REQ_BUF_SIZE);
++ file->private_data = priv;
++
++ return 0;
++}
++
++static ssize_t req_dbg_read(struct file *file, char __user *buf,
++ size_t nbytes, loff_t *ppos)
++{
++ struct req_dbg_data *priv = file->private_data;
++
++ return simple_read_from_buffer(buf, nbytes, ppos,
++ priv->str, priv->nbytes);
++}
++
++static int req_dbg_release(struct inode *inode, struct file *file)
++{
++ kfree(file->private_data);
++ return 0;
++}
++
++static const struct file_operations req_dbg_fops = {
++ .owner = THIS_MODULE,
++ .open = req_dbg_open,
++ .llseek = no_llseek,
++ .read = req_dbg_read,
++ .release = req_dbg_release,
++};
++
++static int regs_dbg_open(struct inode *inode, struct file *file)
++{
++ struct atmel_mci *host;
++ unsigned int i;
++ u32 *data;
++ int ret = -ENOMEM;
++
++ mutex_lock(&inode->i_mutex);
++ host = inode->i_private;
++ data = kmalloc(inode->i_size, GFP_KERNEL);
++ if (!data)
++ goto out;
++
++ spin_lock_irq(&host->mmc->lock);
++ for (i = 0; i < inode->i_size / 4; i++)
++ data[i] = __raw_readl(host->regs + i * 4);
++ spin_unlock_irq(&host->mmc->lock);
++
++ file->private_data = data;
++ ret = 0;
++
++out:
++ mutex_unlock(&inode->i_mutex);
++
++ return ret;
++}
++
++static ssize_t regs_dbg_read(struct file *file, char __user *buf,
++ size_t nbytes, loff_t *ppos)
++{
++ struct inode *inode = file->f_dentry->d_inode;
++ int ret;
++
++ mutex_lock(&inode->i_mutex);
++ ret = simple_read_from_buffer(buf, nbytes, ppos,
++ file->private_data,
++ file->f_dentry->d_inode->i_size);
++ mutex_unlock(&inode->i_mutex);
++
++ return ret;
++}
++
++static int regs_dbg_release(struct inode *inode, struct file *file)
++{
++ kfree(file->private_data);
++ return 0;
++}
++
++static const struct file_operations regs_dbg_fops = {
++ .owner = THIS_MODULE,
++ .open = regs_dbg_open,
++ .llseek = generic_file_llseek,
++ .read = regs_dbg_read,
++ .release = regs_dbg_release,
++};
++
++static void atmci_init_debugfs(struct atmel_mci *host)
++{
++ struct mmc_host *mmc;
++ struct dentry *root, *regs;
++ struct resource *res;
++
++ mmc = host->mmc;
++ root = debugfs_create_dir(mmc_hostname(mmc), NULL);
++ if (IS_ERR(root) || !root)
++ goto err_root;
++ host->debugfs_root = root;
++
++ regs = debugfs_create_file("regs", 0400, root, host, ®s_dbg_fops);
++ if (!regs)
++ goto err_regs;
++
++ res = platform_get_resource(host->pdev, IORESOURCE_MEM, 0);
++ regs->d_inode->i_size = res->end - res->start + 1;
++ host->debugfs_regs = regs;
++
++ host->debugfs_req = debugfs_create_file("req", 0400, root,
++ host, &req_dbg_fops);
++ if (!host->debugfs_req)
++ goto err_req;
++
++ host->debugfs_pending_events
++ = debugfs_create_u32("pending_events", 0400, root,
++ (u32 *)&host->pending_events);
++ if (!host->debugfs_pending_events)
++ goto err_pending_events;
++
++ host->debugfs_completed_events
++ = debugfs_create_u32("completed_events", 0400, root,
++ (u32 *)&host->completed_events);
++ if (!host->debugfs_completed_events)
++ goto err_completed_events;
++
++ return;
++
++err_completed_events:
++ debugfs_remove(host->debugfs_pending_events);
++err_pending_events:
++ debugfs_remove(host->debugfs_req);
++err_req:
++ debugfs_remove(host->debugfs_regs);
++err_regs:
++ debugfs_remove(host->debugfs_root);
++err_root:
++ host->debugfs_root = NULL;
++ dev_err(&host->pdev->dev,
++ "failed to initialize debugfs for %s\n",
++ mmc_hostname(mmc));
++}
++
++static void atmci_cleanup_debugfs(struct atmel_mci *host)
++{
++ if (host->debugfs_root) {
++ debugfs_remove(host->debugfs_completed_events);
++ debugfs_remove(host->debugfs_pending_events);
++ debugfs_remove(host->debugfs_req);
++ debugfs_remove(host->debugfs_regs);
++ debugfs_remove(host->debugfs_root);
++ host->debugfs_root = NULL;
++ }
++}
++#else
++static inline void atmci_init_debugfs(struct atmel_mci *host)
++{
++
++}
++
++static inline void atmci_cleanup_debugfs(struct atmel_mci *host)
++{
++
++}
++#endif /* CONFIG_DEBUG_FS */
++
++static inline unsigned int ns_to_clocks(struct atmel_mci *host,
++ unsigned int ns)
++{
++ return (ns * (host->bus_hz / 1000000) + 999) / 1000;
++}
++
++static void atmci_set_timeout(struct atmel_mci *host,
++ struct mmc_data *data)
++{
++ static unsigned dtomul_to_shift[] = {
++ 0, 4, 7, 8, 10, 12, 16, 20
++ };
++ unsigned timeout;
++ unsigned dtocyc, dtomul;
++
++ timeout = ns_to_clocks(host, data->timeout_ns) + data->timeout_clks;
++
++ for (dtomul = 0; dtomul < 8; dtomul++) {
++ unsigned shift = dtomul_to_shift[dtomul];
++ dtocyc = (timeout + (1 << shift) - 1) >> shift;
++ if (dtocyc < 15)
++ break;
++ }
++
++ if (dtomul >= 8) {
++ dtomul = 7;
++ dtocyc = 15;
++ }
++
++ pr_debug("%s: setting timeout to %u cycles\n",
++ mmc_hostname(host->mmc),
++ dtocyc << dtomul_to_shift[dtomul]);
++ mci_writel(host, DTOR, (MCI_BF(DTOMUL, dtomul)
++ | MCI_BF(DTOCYC, dtocyc)));
++}
++
++/*
++ * Return mask with interrupt flags to be handled for this command.
++ */
++static u32 atmci_prepare_command(struct mmc_host *mmc,
++ struct mmc_command *cmd,
++ u32 *cmd_flags)
++{
++ u32 cmdr;
++ u32 iflags;
++
++ cmd->error = MMC_ERR_NONE;
++
++ cmdr = 0;
++ BUG_ON(MCI_BFEXT(CMDNB, cmdr) != 0);
++ cmdr = MCI_BFINS(CMDNB, cmd->opcode, cmdr);
++
++ if (cmd->flags & MMC_RSP_PRESENT) {
++ if (cmd->flags & MMC_RSP_136)
++ cmdr |= MCI_BF(RSPTYP, MCI_RSPTYP_136_BIT);
++ else
++ cmdr |= MCI_BF(RSPTYP, MCI_RSPTYP_48_BIT);
++ }
++
++ /*
++ * This should really be MAXLAT_5 for CMD2 and ACMD41, but
++ * it's too difficult to determine whether this is an ACMD or
++ * not. Better make it 64.
++ */
++ cmdr |= MCI_BIT(MAXLAT);
++
++ if (mmc->ios.bus_mode == MMC_BUSMODE_OPENDRAIN)
++ cmdr |= MCI_BIT(OPDCMD);
++
++ iflags = MCI_BIT(CMDRDY) | MCI_CMD_ERROR_FLAGS;
++ if (!(cmd->flags & MMC_RSP_CRC))
++ iflags &= ~MCI_BIT(RCRCE);
++
++ pr_debug("%s: cmd: op %02x arg %08x flags %08x, cmdflags %08lx\n",
++ mmc_hostname(mmc), cmd->opcode, cmd->arg, cmd->flags,
++ (unsigned long)cmdr);
++
++ *cmd_flags = cmdr;
++ return iflags;
++}
++
++static void atmci_start_command(struct atmel_mci *host,
++ struct mmc_command *cmd,
++ u32 cmd_flags)
++{
++ WARN_ON(host->cmd);
++ host->cmd = cmd;
++
++ mci_writel(host, ARGR, cmd->arg);
++ mci_writel(host, CMDR, cmd_flags);
++
++ if (cmd->data)
++ dma_start_request(host->dma.req.req.dmac,
++ host->dma.req.req.channel);
++}
++
++/*
++ * Returns a mask of flags to be set in the command register when the
++ * command to start the transfer is to be sent.
++ */
++static u32 atmci_prepare_data(struct mmc_host *mmc, struct mmc_data *data)
++{
++ struct atmel_mci *host = mmc_priv(mmc);
++ u32 cmd_flags;
++
++ WARN_ON(host->data);
++ host->data = data;
++
++ atmci_set_timeout(host, data);
++ mci_writel(host, BLKR, (MCI_BF(BCNT, data->blocks)
++ | MCI_BF(BLKLEN, data->blksz)));
++ host->dma.req.block_size = data->blksz;
++ host->dma.req.nr_blocks = data->blocks;
++
++ cmd_flags = MCI_BF(TRCMD, MCI_TRCMD_START_TRANS);
++ if (data->flags & MMC_DATA_STREAM)
++ cmd_flags |= MCI_BF(TRTYP, MCI_TRTYP_STREAM);
++ else if (data->blocks > 1)
++ cmd_flags |= MCI_BF(TRTYP, MCI_TRTYP_MULTI_BLOCK);
++ else
++ cmd_flags |= MCI_BF(TRTYP, MCI_TRTYP_BLOCK);
++
++ if (data->flags & MMC_DATA_READ) {
++ cmd_flags |= MCI_BIT(TRDIR);
++ host->dma.req.nr_sg
++ = dma_map_sg(&host->pdev->dev, data->sg,
++ data->sg_len, DMA_FROM_DEVICE);
++ host->dma.req.periph_id = host->dma.rx_periph_id;
++ host->dma.req.direction = DMA_DIR_PERIPH_TO_MEM;
++ host->dma.req.data_reg = host->mapbase + MCI_RDR;
++ } else {
++ host->dma.req.nr_sg
++ = dma_map_sg(&host->pdev->dev, data->sg,
++ data->sg_len, DMA_TO_DEVICE);
++ host->dma.req.periph_id = host->dma.tx_periph_id;
++ host->dma.req.direction = DMA_DIR_MEM_TO_PERIPH;
++ host->dma.req.data_reg = host->mapbase + MCI_TDR;
++ }
++ host->dma.req.sg = data->sg;
++
++ dma_prepare_request_sg(host->dma.req.req.dmac, &host->dma.req);
++
++ return cmd_flags;
++}
++
++static void atmci_request(struct mmc_host *mmc, struct mmc_request *mrq)
++{
++ struct atmel_mci *host = mmc_priv(mmc);
++ struct mmc_data *data = mrq->data;
++ u32 iflags;
++ u32 cmdflags = 0;
++
++ iflags = mci_readl(host, IMR);
++ if (iflags)
++ printk("WARNING: IMR=0x%08x\n", mci_readl(host, IMR));
++
++ WARN_ON(host->mrq != NULL);
++ host->mrq = mrq;
++ host->pending_events = 0;
++ host->completed_events = 0;
++
++ iflags = atmci_prepare_command(mmc, mrq->cmd, &cmdflags);
++
++ if (mrq->stop) {
++ BUG_ON(!data);
++
++ host->stop_iflags = atmci_prepare_command(mmc, mrq->stop,
++ &host->stop_cmdr);
++ host->stop_cmdr |= MCI_BF(TRCMD, MCI_TRCMD_STOP_TRANS);
++ if (!(data->flags & MMC_DATA_WRITE))
++ host->stop_cmdr |= MCI_BIT(TRDIR);
++ if (data->flags & MMC_DATA_STREAM)
++ host->stop_cmdr |= MCI_BF(TRTYP, MCI_TRTYP_STREAM);
++ else
++ host->stop_cmdr |= MCI_BF(TRTYP, MCI_TRTYP_MULTI_BLOCK);
++ }
++ if (data) {
++ cmdflags |= atmci_prepare_data(mmc, data);
++ iflags |= MCI_DATA_ERROR_FLAGS;
++ }
++
++ atmci_start_command(host, mrq->cmd, cmdflags);
++ mci_writel(host, IER, iflags);
++}
++
++static void atmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
++{
++ struct atmel_mci *host = mmc_priv(mmc);
++
++ if (ios->clock) {
++ u32 clkdiv;
++
++ clkdiv = host->bus_hz / (2 * ios->clock) - 1;
++ if (clkdiv > 255)
++ clkdiv = 255;
++ mci_writel(host, MR, (clkdiv
++ | MCI_BIT(WRPROOF)
++ | MCI_BIT(RDPROOF)));
++ }
++
++ switch (ios->bus_width) {
++ case MMC_BUS_WIDTH_1:
++ mci_writel(host, SDCR, 0);
++ break;
++ case MMC_BUS_WIDTH_4:
++ mci_writel(host, SDCR, MCI_BIT(SDCBUS));
++ break;
++ }
++
++ switch (ios->power_mode) {
++ case MMC_POWER_OFF:
++ mci_writel(host, CR, MCI_BIT(MCIDIS));
++ break;
++ case MMC_POWER_UP:
++ mci_writel(host, CR, MCI_BIT(SWRST));
++ break;
++ case MMC_POWER_ON:
++ mci_writel(host, CR, MCI_BIT(MCIEN));
++ break;
++ }
++}
++
++static int atmci_get_ro(struct mmc_host *mmc)
++{
++ int read_only = 0;
++ struct atmel_mci *host = mmc_priv(mmc);
++
++ if (host->wp_pin >= 0) {
++ read_only = gpio_get_value(host->wp_pin);
++ pr_debug("%s: card is %s\n", mmc_hostname(mmc),
++ read_only ? "read-only" : "read-write");
++ } else {
++ pr_debug("%s: no pin for checking read-only switch."
++ " Assuming write-enable.\n", mmc_hostname(mmc));
++ }
++
++ return read_only;
++}
++
++static struct mmc_host_ops atmci_ops = {
++ .request = atmci_request,
++ .set_ios = atmci_set_ios,
++ .get_ro = atmci_get_ro,
++};
++
++static void atmci_request_end(struct mmc_host *mmc, struct mmc_request *mrq)
++{
++ struct atmel_mci *host = mmc_priv(mmc);
++
++ WARN_ON(host->cmd || host->data);
++ host->mrq = NULL;
++
++ mmc_request_done(mmc, mrq);
++}
++
++static void send_stop_cmd(struct mmc_host *mmc, struct mmc_data *data,
++ u32 flags)
++{
++ struct atmel_mci *host = mmc_priv(mmc);
++
++ atmci_start_command(host, data->stop, host->stop_cmdr | flags);
++ mci_writel(host, IER, host->stop_iflags);
++}
++
++static void atmci_data_complete(struct atmel_mci *host, struct mmc_data *data)
++{
++ host->data = NULL;
++ dma_unmap_sg(&host->pdev->dev, data->sg, host->dma.req.nr_sg,
++ ((data->flags & MMC_DATA_WRITE)
++ ? DMA_TO_DEVICE : DMA_FROM_DEVICE));
++
++ /*
++ * Data might complete before command for very short transfers
++ * (like READ_SCR)
++ */
++ if (mci_cmd_is_complete(host)
++ && (!data->stop || mci_stop_is_complete(host)))
++ atmci_request_end(host->mmc, data->mrq);
++}
++
++static void atmci_command_error(struct mmc_host *mmc,
++ struct mmc_command *cmd,
++ u32 status)
++{
++ pr_debug("%s: command error: status=0x%08x\n",
++ mmc_hostname(mmc), status);
++
++ if (status & MCI_BIT(RTOE))
++ cmd->error = MMC_ERR_TIMEOUT;
++ else if (status & MCI_BIT(RCRCE))
++ cmd->error = MMC_ERR_BADCRC;
++ else
++ cmd->error = MMC_ERR_FAILED;
++}
++
++static void atmci_tasklet_func(unsigned long priv)
++{
++ struct mmc_host *mmc = (struct mmc_host *)priv;
++ struct atmel_mci *host = mmc_priv(mmc);
++ struct mmc_request *mrq = host->mrq;
++ struct mmc_data *data = host->data;
++
++ pr_debug("atmci_tasklet: pending/completed/mask %lx/%lx/%x\n",
++ host->pending_events, host->completed_events,
++ mci_readl(host, IMR));
++
++ if (mci_clear_cmd_error_is_pending(host)) {
++ struct mmc_command *cmd;
++
++ mci_set_cmd_error_complete(host);
++ mci_clear_cmd_pending(host);
++ cmd = host->mrq->cmd;
++
++ if (cmd->data) {
++ dma_stop_request(host->dma.req.req.dmac,
++ host->dma.req.req.channel);
++ host->data = NULL;
++ }
++
++ atmci_command_error(mmc, cmd, host->error_status);
++ atmci_request_end(mmc, cmd->mrq);
++ }
++ if (mci_clear_stop_error_is_pending(host)) {
++ mci_set_stop_error_complete(host);
++ mci_clear_stop_pending(host);
++ atmci_command_error(mmc, host->mrq->stop,
++ host->error_status);
++ if (!host->data)
++ atmci_request_end(mmc, host->mrq);
++ }
++ if (mci_clear_cmd_is_pending(host)) {
++ mci_set_cmd_complete(host);
++ if (!mrq->data || mci_data_is_complete(host)
++ || mci_data_error_is_complete(host))
++ atmci_request_end(mmc, mrq);
++ }
++ if (mci_clear_stop_is_pending(host)) {
++ mci_set_stop_complete(host);
++ if (mci_data_is_complete(host)
++ || mci_data_error_is_complete(host))
++ atmci_request_end(mmc, mrq);
++ }
++ if (mci_clear_dma_error_is_pending(host)) {
++ mci_set_dma_error_complete(host);
++ mci_clear_data_pending(host);
++
++ /* DMA controller got bus error => invalid address */
++ data->error = MMC_ERR_INVALID;
++
++ printk(KERN_DEBUG "%s: dma error after %u bytes xfered\n",
++ mmc_hostname(mmc), host->data->bytes_xfered);
++
++ if (data->stop
++ && !mci_set_stop_sent_is_completed(host))
++ /* TODO: Check if card is still present */
++ send_stop_cmd(host->mmc, data, 0);
++
++ atmci_data_complete(host, data);
++ }
++ if (mci_clear_data_error_is_pending(host)) {
++ u32 status = host->error_status;
++
++ mci_set_data_error_complete(host);
++ mci_clear_data_pending(host);
++
++ dma_stop_request(host->dma.req.req.dmac,
++ host->dma.req.req.channel);
++
++ printk(KERN_DEBUG "%s: data error: status=0x%08x\n",
++ mmc_hostname(host->mmc), status);
++
++ if (status & MCI_BIT(DCRCE)) {
++ printk(KERN_DEBUG "%s: Data CRC error\n",
++ mmc_hostname(host->mmc));
++ data->error = MMC_ERR_BADCRC;
++ } else if (status & MCI_BIT(DTOE)) {
++ printk(KERN_DEBUG "%s: Data Timeout error\n",
++ mmc_hostname(host->mmc));
++ data->error = MMC_ERR_TIMEOUT;
++ } else {
++ printk(KERN_DEBUG "%s: Data FIFO error\n",
++ mmc_hostname(host->mmc));
++ data->error = MMC_ERR_FIFO;
++ }
++ printk(KERN_DEBUG "%s: Bytes xfered: %u\n",
++ mmc_hostname(host->mmc), data->bytes_xfered);
++
++ if (data->stop
++ && !mci_set_stop_sent_is_completed(host))
++ /* TODO: Check if card is still present */
++ send_stop_cmd(host->mmc, data, 0);
++
++ atmci_data_complete(host, data);
++ }
++ if (mci_clear_data_is_pending(host)) {
++ mci_set_data_complete(host);
++ data->bytes_xfered = data->blocks * data->blksz;
++ atmci_data_complete(host, data);
++ }
++ if (mci_clear_card_detect_is_pending(host)) {
++ /* Reset controller if card is gone */
++ if (!host->present) {
++ mci_writel(host, CR, MCI_BIT(SWRST));
++ mci_writel(host, IDR, ~0UL);
++ mci_writel(host, CR, MCI_BIT(MCIEN));
++ }
++
++ /* Clean up queue if present */
++ if (mrq) {
++ if (!mci_cmd_is_complete(host)
++ && !mci_cmd_error_is_complete(host)) {
++ mrq->cmd->error = MMC_ERR_TIMEOUT;
++ }
++ if (mrq->data && !mci_data_is_complete(host)
++ && !mci_data_error_is_complete(host)) {
++ dma_stop_request(host->dma.req.req.dmac,
++ host->dma.req.req.channel);
++ host->data->error = MMC_ERR_TIMEOUT;
++ atmci_data_complete(host, data);
++ }
++ if (mrq->stop && !mci_stop_is_complete(host)
++ && !mci_stop_error_is_complete(host)) {
++ mrq->stop->error = MMC_ERR_TIMEOUT;
++ }
++
++ host->cmd = NULL;
++ atmci_request_end(mmc, mrq);
++ }
++ mmc_detect_change(host->mmc, msecs_to_jiffies(100));
++ }
++}
++
++static void atmci_cmd_interrupt(struct mmc_host *mmc, u32 status)
++{
++ struct atmel_mci *host = mmc_priv(mmc);
++ struct mmc_command *cmd = host->cmd;
++
++ /*
++ * Read the response now so that we're free to send a new
++ * command immediately.
++ */
++ cmd->resp[0] = mci_readl(host, RSPR);
++ cmd->resp[1] = mci_readl(host, RSPR);
++ cmd->resp[2] = mci_readl(host, RSPR);
++ cmd->resp[3] = mci_readl(host, RSPR);
++
++ mci_writel(host, IDR, MCI_BIT(CMDRDY) | MCI_CMD_ERROR_FLAGS);
++ host->cmd = NULL;
++
++ if (mci_stop_sent_is_complete(host))
++ mci_set_stop_pending(host);
++ else
++ mci_set_cmd_pending(host);
++
++ tasklet_schedule(&host->tasklet);
++}
++
++static void atmci_xfer_complete(struct dma_request *_req)
++{
++ struct dma_request_sg *req = to_dma_request_sg(_req);
++ struct atmel_mci_dma *dma;
++ struct atmel_mci *host;
++ struct mmc_data *data;
++
++ dma = container_of(req, struct atmel_mci_dma, req);
++ host = container_of(dma, struct atmel_mci, dma);
++ data = host->data;
++
++ if (data->stop && !mci_set_stop_sent_is_completed(host))
++ send_stop_cmd(host->mmc, data, 0);
++
++ if (data->flags & MMC_DATA_READ) {
++ mci_writel(host, IDR, MCI_DATA_ERROR_FLAGS);
++ mci_set_data_pending(host);
++ tasklet_schedule(&host->tasklet);
++ } else {
++ /*
++ * For the WRITE case, wait for NOTBUSY. This function
++ * is called when everything has been written to the
++ * controller, not when the card is done programming.
++ */
++ mci_writel(host, IER, MCI_BIT(NOTBUSY));
++ }
++}
++
++static void atmci_dma_error(struct dma_request *_req)
++{
++ struct dma_request_sg *req = to_dma_request_sg(_req);
++ struct atmel_mci_dma *dma;
++ struct atmel_mci *host;
++
++ dma = container_of(req, struct atmel_mci_dma, req);
++ host = container_of(dma, struct atmel_mci, dma);
++
++ mci_writel(host, IDR, (MCI_BIT(NOTBUSY)
++ | MCI_DATA_ERROR_FLAGS));
++
++ mci_set_dma_error_pending(host);
++ tasklet_schedule(&host->tasklet);
++}
++
++static irqreturn_t atmci_interrupt(int irq, void *dev_id)
++{
++ struct mmc_host *mmc = dev_id;
++ struct atmel_mci *host = mmc_priv(mmc);
++ u32 status, mask, pending;
++
++ spin_lock(&mmc->lock);
++
++ status = mci_readl(host, SR);
++ mask = mci_readl(host, IMR);
++ pending = status & mask;
++
++ do {
++ if (pending & MCI_CMD_ERROR_FLAGS) {
++ mci_writel(host, IDR, (MCI_BIT(CMDRDY)
++ | MCI_BIT(NOTBUSY)
++ | MCI_CMD_ERROR_FLAGS
++ | MCI_DATA_ERROR_FLAGS));
++ host->error_status = status;
++ host->cmd = NULL;
++ if (mci_stop_sent_is_complete(host))
++ mci_set_stop_error_pending(host);
++ else
++ mci_set_cmd_error_pending(host);
++ tasklet_schedule(&host->tasklet);
++ break;
++ }
++ if (pending & MCI_DATA_ERROR_FLAGS) {
++ mci_writel(host, IDR, (MCI_BIT(NOTBUSY)
++ | MCI_DATA_ERROR_FLAGS));
++ host->error_status = status;
++ mci_set_data_error_pending(host);
++ tasklet_schedule(&host->tasklet);
++ break;
++ }
++ if (pending & MCI_BIT(CMDRDY))
++ atmci_cmd_interrupt(mmc, status);
++ if (pending & MCI_BIT(NOTBUSY)) {
++ mci_writel(host, IDR, (MCI_BIT(NOTBUSY)
++ | MCI_DATA_ERROR_FLAGS));
++ mci_set_data_pending(host);
++ tasklet_schedule(&host->tasklet);
++ }
++
++ status = mci_readl(host, SR);
++ mask = mci_readl(host, IMR);
++ pending = status & mask;
++ } while (pending);
++
++ spin_unlock(&mmc->lock);
++
++ return IRQ_HANDLED;
++}
++
++static irqreturn_t atmci_detect_change(int irq, void *dev_id)
++{
++ struct mmc_host *mmc = dev_id;
++ struct atmel_mci *host = mmc_priv(mmc);
++
++ int present = !gpio_get_value(irq_to_gpio(irq));
++
++ if (present != host->present) {
++ pr_debug("%s: card %s\n", mmc_hostname(host->mmc),
++ present ? "inserted" : "removed");
++ host->present = present;
++ mci_set_card_detect_pending(host);
++ tasklet_schedule(&host->tasklet);
++ }
++ return IRQ_HANDLED;
++}
++
++static int __devinit atmci_probe(struct platform_device *pdev)
++{
++ struct mci_platform_data *board;
++ struct atmel_mci *host;
++ struct mmc_host *mmc;
++ struct resource *regs;
++ int irq;
++ int ret;
++
++ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ if (!regs)
++ return -ENXIO;
++ irq = platform_get_irq(pdev, 0);
++ if (irq < 0)
++ return irq;
++
++ board = pdev->dev.platform_data;
++
++ mmc = mmc_alloc_host(sizeof(struct atmel_mci), &pdev->dev);
++ if (!mmc)
++ return -ENOMEM;
++
++ host = mmc_priv(mmc);
++ host->pdev = pdev;
++ host->mmc = mmc;
++ if (board) {
++ host->detect_pin = board->detect_pin;
++ host->wp_pin = board->wp_pin;
++ } else {
++ host->detect_pin = -1;
++ host->detect_pin = -1;
++ }
++
++ host->mck = clk_get(&pdev->dev, "mci_clk");
++ if (IS_ERR(host->mck)) {
++ ret = PTR_ERR(host->mck);
++ goto out_free_host;
++ }
++ clk_enable(host->mck);
++
++ ret = -ENOMEM;
++ host->regs = ioremap(regs->start, regs->end - regs->start + 1);
++ if (!host->regs)
++ goto out_disable_clk;
++
++ host->bus_hz = clk_get_rate(host->mck);
++ host->mapbase = regs->start;
++
++ mmc->ops = &atmci_ops;
++ mmc->f_min = (host->bus_hz + 511) / 512;
++ mmc->f_max = min((unsigned int)(host->bus_hz / 2), fmax);
++ mmc->ocr_avail = 0x00100000;
++ mmc->caps |= MMC_CAP_4_BIT_DATA;
++
++ tasklet_init(&host->tasklet, atmci_tasklet_func, (unsigned long)mmc);
++
++ ret = request_irq(irq, atmci_interrupt, 0, "mmci", mmc);
++ if (ret)
++ goto out_unmap;
++
++ /* Assume card is present if we don't have a detect pin */
++ host->present = 1;
++ if (host->detect_pin >= 0) {
++ if (gpio_request(host->detect_pin, "mmc_detect")) {
++ printk(KERN_WARNING "%s: no detect pin available\n",
++ mmc_hostname(host->mmc));
++ host->detect_pin = -1;
++ } else {
++ host->present = !gpio_get_value(host->detect_pin);
++ }
++ }
++ if (host->wp_pin >= 0) {
++ if (gpio_request(host->wp_pin, "mmc_wp")) {
++ printk(KERN_WARNING "%s: no WP pin available\n",
++ mmc_hostname(host->mmc));
++ host->wp_pin = -1;
++ }
++ }
++
++ /* TODO: Get this information from platform data */
++ ret = -ENOMEM;
++ host->dma.req.req.dmac = find_dma_controller(0);
++ if (!host->dma.req.req.dmac) {
++ printk(KERN_ERR
++ "mmci: No DMA controller available, aborting\n");
++ goto out_free_irq;
++ }
++ ret = dma_alloc_channel(host->dma.req.req.dmac);
++ if (ret < 0) {
++ printk(KERN_ERR
++ "mmci: Unable to allocate DMA channel, aborting\n");
++ goto out_free_irq;
++ }
++ host->dma.req.req.channel = ret;
++ host->dma.req.width = DMA_WIDTH_32BIT;
++ host->dma.req.req.xfer_complete = atmci_xfer_complete;
++ host->dma.req.req.block_complete = NULL; // atmci_block_complete;
++ host->dma.req.req.error = atmci_dma_error;
++ host->dma.rx_periph_id = 0;
++ host->dma.tx_periph_id = 1;
++
++ mci_writel(host, CR, MCI_BIT(SWRST));
++ mci_writel(host, IDR, ~0UL);
++ mci_writel(host, CR, MCI_BIT(MCIEN));
++
++ platform_set_drvdata(pdev, host);
++
++ mmc_add_host(mmc);
++
++ if (host->detect_pin >= 0) {
++ ret = request_irq(gpio_to_irq(host->detect_pin),
++ atmci_detect_change,
++ IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
++ DRIVER_NAME, mmc);
++ if (ret) {
++ printk(KERN_ERR
++ "%s: could not request IRQ %d for detect pin\n",
++ mmc_hostname(mmc),
++ gpio_to_irq(host->detect_pin));
++ gpio_free(host->detect_pin);
++ host->detect_pin = -1;
++ }
++ }
++
++ printk(KERN_INFO "%s: Atmel MCI controller at 0x%08lx irq %d\n",
++ mmc_hostname(mmc), host->mapbase, irq);
++
++ atmci_init_debugfs(host);
++
++ return 0;
++
++out_free_irq:
++ if (host->detect_pin >= 0)
++ gpio_free(host->detect_pin);
++ if (host->wp_pin >= 0)
++ gpio_free(host->wp_pin);
++ free_irq(irq, mmc);
++out_unmap:
++ iounmap(host->regs);
++out_disable_clk:
++ clk_disable(host->mck);
++ clk_put(host->mck);
++out_free_host:
++ mmc_free_host(mmc);
++ return ret;
++}
++
++static int __devexit atmci_remove(struct platform_device *pdev)
++{
++ struct atmel_mci *host = platform_get_drvdata(pdev);
++
++ platform_set_drvdata(pdev, NULL);
++
++ if (host) {
++ atmci_cleanup_debugfs(host);
++
++ if (host->detect_pin >= 0) {
++ free_irq(gpio_to_irq(host->detect_pin), host->mmc);
++ cancel_delayed_work(&host->mmc->detect);
++ gpio_free(host->detect_pin);
++ }
++
++ mmc_remove_host(host->mmc);
++
++ mci_writel(host, IDR, ~0UL);
++ mci_writel(host, CR, MCI_BIT(MCIDIS));
++ mci_readl(host, SR);
++
++ dma_release_channel(host->dma.req.req.dmac,
++ host->dma.req.req.channel);
++
++ if (host->wp_pin >= 0)
++ gpio_free(host->wp_pin);
++
++ free_irq(platform_get_irq(pdev, 0), host->mmc);
++ iounmap(host->regs);
++
++ clk_disable(host->mck);
++ clk_put(host->mck);
++
++ mmc_free_host(host->mmc);
++ }
++ return 0;
++}
++
++static struct platform_driver atmci_driver = {
++ .probe = atmci_probe,
++ .remove = __devexit_p(atmci_remove),
++ .driver = {
++ .name = DRIVER_NAME,
++ },
++};
++
++static int __init atmci_init(void)
++{
++ return platform_driver_register(&atmci_driver);
++}
++
++static void __exit atmci_exit(void)
++{
++ platform_driver_unregister(&atmci_driver);
++}
++
++module_init(atmci_init);
++module_exit(atmci_exit);
++
++MODULE_DESCRIPTION("Atmel Multimedia Card Interface driver");
++MODULE_LICENSE("GPL");
+diff --git a/drivers/mmc/host/atmel-mci.h b/drivers/mmc/host/atmel-mci.h
+new file mode 100644
+index 0000000..60d15c4
+--- /dev/null
++++ b/drivers/mmc/host/atmel-mci.h
+@@ -0,0 +1,192 @@
++/*
++ * Atmel MultiMedia Card Interface driver
++ *
++ * Copyright (C) 2004-2006 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++#ifndef __DRIVERS_MMC_ATMEL_MCI_H__
++#define __DRIVERS_MMC_ATMEL_MCI_H__
++
++/* MCI register offsets */
++#define MCI_CR 0x0000
++#define MCI_MR 0x0004
++#define MCI_DTOR 0x0008
++#define MCI_SDCR 0x000c
++#define MCI_ARGR 0x0010
++#define MCI_CMDR 0x0014
++#define MCI_BLKR 0x0018
++#define MCI_RSPR 0x0020
++#define MCI_RSPR1 0x0024
++#define MCI_RSPR2 0x0028
++#define MCI_RSPR3 0x002c
++#define MCI_RDR 0x0030
++#define MCI_TDR 0x0034
++#define MCI_SR 0x0040
++#define MCI_IER 0x0044
++#define MCI_IDR 0x0048
++#define MCI_IMR 0x004c
++
++/* Bitfields in CR */
++#define MCI_MCIEN_OFFSET 0
++#define MCI_MCIEN_SIZE 1
++#define MCI_MCIDIS_OFFSET 1
++#define MCI_MCIDIS_SIZE 1
++#define MCI_PWSEN_OFFSET 2
++#define MCI_PWSEN_SIZE 1
++#define MCI_PWSDIS_OFFSET 3
++#define MCI_PWSDIS_SIZE 1
++#define MCI_SWRST_OFFSET 7
++#define MCI_SWRST_SIZE 1
++
++/* Bitfields in MR */
++#define MCI_CLKDIV_OFFSET 0
++#define MCI_CLKDIV_SIZE 8
++#define MCI_PWSDIV_OFFSET 8
++#define MCI_PWSDIV_SIZE 3
++#define MCI_RDPROOF_OFFSET 11
++#define MCI_RDPROOF_SIZE 1
++#define MCI_WRPROOF_OFFSET 12
++#define MCI_WRPROOF_SIZE 1
++#define MCI_DMAPADV_OFFSET 14
++#define MCI_DMAPADV_SIZE 1
++#define MCI_BLKLEN_OFFSET 16
++#define MCI_BLKLEN_SIZE 16
++
++/* Bitfields in DTOR */
++#define MCI_DTOCYC_OFFSET 0
++#define MCI_DTOCYC_SIZE 4
++#define MCI_DTOMUL_OFFSET 4
++#define MCI_DTOMUL_SIZE 3
++
++/* Bitfields in SDCR */
++#define MCI_SDCSEL_OFFSET 0
++#define MCI_SDCSEL_SIZE 4
++#define MCI_SDCBUS_OFFSET 7
++#define MCI_SDCBUS_SIZE 1
++
++/* Bitfields in ARGR */
++#define MCI_ARG_OFFSET 0
++#define MCI_ARG_SIZE 32
++
++/* Bitfields in CMDR */
++#define MCI_CMDNB_OFFSET 0
++#define MCI_CMDNB_SIZE 6
++#define MCI_RSPTYP_OFFSET 6
++#define MCI_RSPTYP_SIZE 2
++#define MCI_SPCMD_OFFSET 8
++#define MCI_SPCMD_SIZE 3
++#define MCI_OPDCMD_OFFSET 11
++#define MCI_OPDCMD_SIZE 1
++#define MCI_MAXLAT_OFFSET 12
++#define MCI_MAXLAT_SIZE 1
++#define MCI_TRCMD_OFFSET 16
++#define MCI_TRCMD_SIZE 2
++#define MCI_TRDIR_OFFSET 18
++#define MCI_TRDIR_SIZE 1
++#define MCI_TRTYP_OFFSET 19
++#define MCI_TRTYP_SIZE 2
++
++/* Bitfields in BLKR */
++#define MCI_BCNT_OFFSET 0
++#define MCI_BCNT_SIZE 16
++
++/* Bitfields in RSPRn */
++#define MCI_RSP_OFFSET 0
++#define MCI_RSP_SIZE 32
++
++/* Bitfields in SR/IER/IDR/IMR */
++#define MCI_CMDRDY_OFFSET 0
++#define MCI_CMDRDY_SIZE 1
++#define MCI_RXRDY_OFFSET 1
++#define MCI_RXRDY_SIZE 1
++#define MCI_TXRDY_OFFSET 2
++#define MCI_TXRDY_SIZE 1
++#define MCI_BLKE_OFFSET 3
++#define MCI_BLKE_SIZE 1
++#define MCI_DTIP_OFFSET 4
++#define MCI_DTIP_SIZE 1
++#define MCI_NOTBUSY_OFFSET 5
++#define MCI_NOTBUSY_SIZE 1
++#define MCI_ENDRX_OFFSET 6
++#define MCI_ENDRX_SIZE 1
++#define MCI_ENDTX_OFFSET 7
++#define MCI_ENDTX_SIZE 1
++#define MCI_RXBUFF_OFFSET 14
++#define MCI_RXBUFF_SIZE 1
++#define MCI_TXBUFE_OFFSET 15
++#define MCI_TXBUFE_SIZE 1
++#define MCI_RINDE_OFFSET 16
++#define MCI_RINDE_SIZE 1
++#define MCI_RDIRE_OFFSET 17
++#define MCI_RDIRE_SIZE 1
++#define MCI_RCRCE_OFFSET 18
++#define MCI_RCRCE_SIZE 1
++#define MCI_RENDE_OFFSET 19
++#define MCI_RENDE_SIZE 1
++#define MCI_RTOE_OFFSET 20
++#define MCI_RTOE_SIZE 1
++#define MCI_DCRCE_OFFSET 21
++#define MCI_DCRCE_SIZE 1
++#define MCI_DTOE_OFFSET 22
++#define MCI_DTOE_SIZE 1
++#define MCI_OVRE_OFFSET 30
++#define MCI_OVRE_SIZE 1
++#define MCI_UNRE_OFFSET 31
++#define MCI_UNRE_SIZE 1
++
++/* Constants for DTOMUL */
++#define MCI_DTOMUL_1_CYCLE 0
++#define MCI_DTOMUL_16_CYCLES 1
++#define MCI_DTOMUL_128_CYCLES 2
++#define MCI_DTOMUL_256_CYCLES 3
++#define MCI_DTOMUL_1024_CYCLES 4
++#define MCI_DTOMUL_4096_CYCLES 5
++#define MCI_DTOMUL_65536_CYCLES 6
++#define MCI_DTOMUL_1048576_CYCLES 7
++
++/* Constants for RSPTYP */
++#define MCI_RSPTYP_NO_RESP 0
++#define MCI_RSPTYP_48_BIT 1
++#define MCI_RSPTYP_136_BIT 2
++
++/* Constants for SPCMD */
++#define MCI_SPCMD_NO_SPEC_CMD 0
++#define MCI_SPCMD_INIT_CMD 1
++#define MCI_SPCMD_SYNC_CMD 2
++#define MCI_SPCMD_INT_CMD 4
++#define MCI_SPCMD_INT_RESP 5
++
++/* Constants for TRCMD */
++#define MCI_TRCMD_NO_TRANS 0
++#define MCI_TRCMD_START_TRANS 1
++#define MCI_TRCMD_STOP_TRANS 2
++
++/* Constants for TRTYP */
++#define MCI_TRTYP_BLOCK 0
++#define MCI_TRTYP_MULTI_BLOCK 1
++#define MCI_TRTYP_STREAM 2
++
++/* Bit manipulation macros */
++#define MCI_BIT(name) \
++ (1 << MCI_##name##_OFFSET)
++#define MCI_BF(name,value) \
++ (((value) & ((1 << MCI_##name##_SIZE) - 1)) \
++ << MCI_##name##_OFFSET)
++#define MCI_BFEXT(name,value) \
++ (((value) >> MCI_##name##_OFFSET) \
++ & ((1 << MCI_##name##_SIZE) - 1))
++#define MCI_BFINS(name,value,old) \
++ (((old) & ~(((1 << MCI_##name##_SIZE) - 1) \
++ << MCI_##name##_OFFSET)) \
++ | MCI_BF(name,value))
++
++/* Register access macros */
++#define mci_readl(port,reg) \
++ __raw_readl((port)->regs + MCI_##reg)
++#define mci_writel(port,reg,value) \
++ __raw_writel((value), (port)->regs + MCI_##reg)
++
++#endif /* __DRIVERS_MMC_ATMEL_MCI_H__ */
+diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
+index 2f19fa7..94304ca 100644
+--- a/drivers/mtd/chips/cfi_cmdset_0001.c
++++ b/drivers/mtd/chips/cfi_cmdset_0001.c
+@@ -50,6 +50,7 @@
+ #define I82802AC 0x00ac
+ #define MANUFACTURER_ST 0x0020
+ #define M50LPW080 0x002F
++#define AT49BV640D 0x02de
+
+ static int cfi_intelext_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *);
+ static int cfi_intelext_write_words(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
+@@ -156,6 +157,47 @@ static void cfi_tell_features(struct cfi_pri_intelext *extp)
+ }
+ #endif
+
++/* Atmel chips don't use the same PRI format as Intel chips */
++static void fixup_convert_atmel_pri(struct mtd_info *mtd, void *param)
++{
++ struct map_info *map = mtd->priv;
++ struct cfi_private *cfi = map->fldrv_priv;
++ struct cfi_pri_intelext *extp = cfi->cmdset_priv;
++ struct cfi_pri_atmel atmel_pri;
++ uint32_t features = 0;
++
++ /* Reverse byteswapping */
++ extp->FeatureSupport = cpu_to_le32(extp->FeatureSupport);
++ extp->BlkStatusRegMask = cpu_to_le16(extp->BlkStatusRegMask);
++ extp->ProtRegAddr = cpu_to_le16(extp->ProtRegAddr);
++
++ memcpy(&atmel_pri, extp, sizeof(atmel_pri));
++ memset((char *)extp + 5, 0, sizeof(*extp) - 5);
++
++ printk(KERN_ERR "atmel Features: %02x\n", atmel_pri.Features);
++
++ if (atmel_pri.Features & 0x01) /* chip erase supported */
++ features |= (1<<0);
++ if (atmel_pri.Features & 0x02) /* erase suspend supported */
++ features |= (1<<1);
++ if (atmel_pri.Features & 0x04) /* program suspend supported */
++ features |= (1<<2);
++ if (atmel_pri.Features & 0x08) /* simultaneous operations supported */
++ features |= (1<<9);
++ if (atmel_pri.Features & 0x20) /* page mode read supported */
++ features |= (1<<7);
++ if (atmel_pri.Features & 0x40) /* queued erase supported */
++ features |= (1<<4);
++ if (atmel_pri.Features & 0x80) /* Protection bits supported */
++ features |= (1<<6);
++
++ extp->FeatureSupport = features;
++
++ /* burst write mode not supported */
++ cfi->cfiq->BufWriteTimeoutTyp = 0;
++ cfi->cfiq->BufWriteTimeoutMax = 0;
++}
++
+ #ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE
+ /* Some Intel Strata Flash prior to FPO revision C has bugs in this area */
+ static void fixup_intel_strataflash(struct mtd_info *mtd, void* param)
+@@ -233,6 +275,7 @@ static void fixup_use_powerup_lock(struct mtd_info *mtd, void *param)
+ }
+
+ static struct cfi_fixup cfi_fixup_table[] = {
++ { CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL },
+ #ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE
+ { CFI_MFR_ANY, CFI_ID_ANY, fixup_intel_strataflash, NULL },
+ #endif
+diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
+index 1f64458..205977b 100644
+--- a/drivers/mtd/chips/cfi_cmdset_0002.c
++++ b/drivers/mtd/chips/cfi_cmdset_0002.c
+@@ -185,6 +185,10 @@ static void fixup_convert_atmel_pri(struct mtd_info *mtd, void *param)
+ extp->TopBottom = 2;
+ else
+ extp->TopBottom = 3;
++
++ /* burst write mode not supported */
++ cfi->cfiq->BufWriteTimeoutTyp = 0;
++ cfi->cfiq->BufWriteTimeoutMax = 0;
+ }
+
+ static void fixup_use_secsi(struct mtd_info *mtd, void *param)
+@@ -217,6 +221,7 @@ static void fixup_use_atmel_lock(struct mtd_info *mtd, void *param)
+ }
+
+ static struct cfi_fixup cfi_fixup_table[] = {
++ { CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL },
+ #ifdef AMD_BOOTLOC_BUG
+ { CFI_MFR_AMD, CFI_ID_ANY, fixup_amd_bootblock, NULL },
+ #endif
+@@ -229,7 +234,6 @@ static struct cfi_fixup cfi_fixup_table[] = {
+ #if !FORCE_WORD_WRITE
+ { CFI_MFR_ANY, CFI_ID_ANY, fixup_use_write_buffers, NULL, },
+ #endif
+- { CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL },
+ { 0, 0, NULL, NULL }
+ };
+ static struct cfi_fixup jedec_fixup_table[] = {
+diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
+index b49375a..b9cb56a 100644
+--- a/drivers/net/Kconfig
++++ b/drivers/net/Kconfig
+@@ -191,7 +191,7 @@ config MII
+ config MACB
+ tristate "Atmel MACB support"
+ depends on NET_ETHERNET && (AVR32 || ARCH_AT91SAM9260 || ARCH_AT91SAM9263)
+- select MII
++ select PHYLIB
+ help
+ The Atmel MACB ethernet interface is found on many AT32 and AT91
+ parts. Say Y to include support for the MACB chip.
+diff --git a/drivers/net/macb.c b/drivers/net/macb.c
+index 0e04f7a..c20a585 100644
+--- a/drivers/net/macb.c
++++ b/drivers/net/macb.c
+@@ -17,13 +17,14 @@
+ #include <linux/init.h>
+ #include <linux/netdevice.h>
+ #include <linux/etherdevice.h>
+-#include <linux/mii.h>
+-#include <linux/mutex.h>
+ #include <linux/dma-mapping.h>
+-#include <linux/ethtool.h>
+ #include <linux/platform_device.h>
++#include <linux/phy.h>
+
+ #include <asm/arch/board.h>
++#if defined(CONFIG_ARCH_AT91)
++#include <asm/arch/cpu.h>
++#endif
+
+ #include "macb.h"
+
+@@ -85,172 +86,202 @@ static void __init macb_get_hwaddr(struct macb *bp)
+ memcpy(bp->dev->dev_addr, addr, sizeof(addr));
+ }
+
+-static void macb_enable_mdio(struct macb *bp)
++static int macb_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
+ {
+- unsigned long flags;
+- u32 reg;
+-
+- spin_lock_irqsave(&bp->lock, flags);
+- reg = macb_readl(bp, NCR);
+- reg |= MACB_BIT(MPE);
+- macb_writel(bp, NCR, reg);
+- macb_writel(bp, IER, MACB_BIT(MFD));
+- spin_unlock_irqrestore(&bp->lock, flags);
+-}
+-
+-static void macb_disable_mdio(struct macb *bp)
+-{
+- unsigned long flags;
+- u32 reg;
+-
+- spin_lock_irqsave(&bp->lock, flags);
+- reg = macb_readl(bp, NCR);
+- reg &= ~MACB_BIT(MPE);
+- macb_writel(bp, NCR, reg);
+- macb_writel(bp, IDR, MACB_BIT(MFD));
+- spin_unlock_irqrestore(&bp->lock, flags);
+-}
+-
+-static int macb_mdio_read(struct net_device *dev, int phy_id, int location)
+-{
+- struct macb *bp = netdev_priv(dev);
++ struct macb *bp = bus->priv;
+ int value;
+
+- mutex_lock(&bp->mdio_mutex);
+-
+- macb_enable_mdio(bp);
+ macb_writel(bp, MAN, (MACB_BF(SOF, MACB_MAN_SOF)
+ | MACB_BF(RW, MACB_MAN_READ)
+- | MACB_BF(PHYA, phy_id)
+- | MACB_BF(REGA, location)
++ | MACB_BF(PHYA, mii_id)
++ | MACB_BF(REGA, regnum)
+ | MACB_BF(CODE, MACB_MAN_CODE)));
+
+- wait_for_completion(&bp->mdio_complete);
++ /* wait for end of transfer */
++ while (!MACB_BFEXT(IDLE, macb_readl(bp, NSR)))
++ cpu_relax();
+
+ value = MACB_BFEXT(DATA, macb_readl(bp, MAN));
+- macb_disable_mdio(bp);
+- mutex_unlock(&bp->mdio_mutex);
+
+ return value;
+ }
+
+-static void macb_mdio_write(struct net_device *dev, int phy_id,
+- int location, int val)
++static int macb_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
++ u16 value)
+ {
+- struct macb *bp = netdev_priv(dev);
+-
+- dev_dbg(&bp->pdev->dev, "mdio_write %02x:%02x <- %04x\n",
+- phy_id, location, val);
+-
+- mutex_lock(&bp->mdio_mutex);
+- macb_enable_mdio(bp);
++ struct macb *bp = bus->priv;
+
+ macb_writel(bp, MAN, (MACB_BF(SOF, MACB_MAN_SOF)
+ | MACB_BF(RW, MACB_MAN_WRITE)
+- | MACB_BF(PHYA, phy_id)
+- | MACB_BF(REGA, location)
++ | MACB_BF(PHYA, mii_id)
++ | MACB_BF(REGA, regnum)
+ | MACB_BF(CODE, MACB_MAN_CODE)
+- | MACB_BF(DATA, val)));
++ | MACB_BF(DATA, value)));
+
+- wait_for_completion(&bp->mdio_complete);
++ /* wait for end of transfer */
++ while (!MACB_BFEXT(IDLE, macb_readl(bp, NSR)))
++ cpu_relax();
+
+- macb_disable_mdio(bp);
+- mutex_unlock(&bp->mdio_mutex);
++ return 0;
+ }
+
+-static int macb_phy_probe(struct macb *bp)
++static int macb_mdio_reset(struct mii_bus *bus)
+ {
+- int phy_address;
+- u16 phyid1, phyid2;
++ return 0;
++}
+
+- for (phy_address = 0; phy_address < 32; phy_address++) {
+- phyid1 = macb_mdio_read(bp->dev, phy_address, MII_PHYSID1);
+- phyid2 = macb_mdio_read(bp->dev, phy_address, MII_PHYSID2);
++static void macb_handle_link_change(struct net_device *dev)
++{
++ struct macb *bp = netdev_priv(dev);
++ struct phy_device *phydev = bp->phy_dev;
++ unsigned long flags;
+
+- if (phyid1 != 0xffff && phyid1 != 0x0000
+- && phyid2 != 0xffff && phyid2 != 0x0000)
+- break;
++ int status_change = 0;
++
++ spin_lock_irqsave(&bp->lock, flags);
++
++ if (phydev->link) {
++ if ((bp->speed != phydev->speed) ||
++ (bp->duplex != phydev->duplex)) {
++ u32 reg;
++
++ reg = macb_readl(bp, NCFGR);
++ reg &= ~(MACB_BIT(SPD) | MACB_BIT(FD));
++
++ if (phydev->duplex)
++ reg |= MACB_BIT(FD);
++ if (phydev->speed)
++ reg |= MACB_BIT(SPD);
++
++ macb_writel(bp, NCFGR, reg);
++
++ bp->speed = phydev->speed;
++ bp->duplex = phydev->duplex;
++ status_change = 1;
++ }
+ }
+
+- if (phy_address == 32)
+- return -ENODEV;
++ if (phydev->link != bp->link) {
++ if (phydev->link)
++ netif_schedule(dev);
++ else {
++ bp->speed = 0;
++ bp->duplex = -1;
++ }
++ bp->link = phydev->link;
+
+- dev_info(&bp->pdev->dev,
+- "detected PHY at address %d (ID %04x:%04x)\n",
+- phy_address, phyid1, phyid2);
++ status_change = 1;
++ }
+
+- bp->mii.phy_id = phy_address;
+- return 0;
++ spin_unlock_irqrestore(&bp->lock, flags);
++
++ if (status_change) {
++ if (phydev->link)
++ printk(KERN_INFO "%s: link up (%d/%s)\n",
++ dev->name, phydev->speed,
++ DUPLEX_FULL == phydev->duplex ? "Full":"Half");
++ else
++ printk(KERN_INFO "%s: link down\n", dev->name);
++ }
+ }
+
+-static void macb_set_media(struct macb *bp, int media)
++/* based on au1000_eth. c*/
++static int macb_mii_probe(struct net_device *dev)
+ {
+- u32 reg;
++ struct macb *bp = netdev_priv(dev);
++ struct phy_device *phydev = NULL;
++ struct eth_platform_data *pdata;
++ int phy_addr;
+
+- spin_lock_irq(&bp->lock);
+- reg = macb_readl(bp, NCFGR);
+- reg &= ~(MACB_BIT(SPD) | MACB_BIT(FD));
+- if (media & (ADVERTISE_100HALF | ADVERTISE_100FULL))
+- reg |= MACB_BIT(SPD);
+- if (media & ADVERTISE_FULL)
+- reg |= MACB_BIT(FD);
+- macb_writel(bp, NCFGR, reg);
+- spin_unlock_irq(&bp->lock);
++ /* find the first phy */
++ for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
++ if (bp->mii_bus.phy_map[phy_addr]) {
++ phydev = bp->mii_bus.phy_map[phy_addr];
++ break;
++ }
++ }
++
++ if (!phydev) {
++ printk (KERN_ERR "%s: no PHY found\n", dev->name);
++ return -1;
++ }
++
++ pdata = bp->pdev->dev.platform_data;
++ /* TODO : add pin_irq */
++
++ /* attach the mac to the phy */
++ if (pdata && pdata->is_rmii) {
++ phydev = phy_connect(dev, phydev->dev.bus_id,
++ &macb_handle_link_change, 0, PHY_INTERFACE_MODE_RMII);
++ } else {
++ phydev = phy_connect(dev, phydev->dev.bus_id,
++ &macb_handle_link_change, 0, PHY_INTERFACE_MODE_MII);
++ }
++
++ if (IS_ERR(phydev)) {
++ printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name);
++ return PTR_ERR(phydev);
++ }
++
++ /* mask with MAC supported features */
++ phydev->supported &= PHY_BASIC_FEATURES;
++
++ phydev->advertising = phydev->supported;
++
++ bp->link = 0;
++ bp->speed = 0;
++ bp->duplex = -1;
++ bp->phy_dev = phydev;
++
++ return 0;
+ }
+
+-static void macb_check_media(struct macb *bp, int ok_to_print, int init_media)
++static int macb_mii_init(struct macb *bp)
+ {
+- struct mii_if_info *mii = &bp->mii;
+- unsigned int old_carrier, new_carrier;
+- int advertise, lpa, media, duplex;
++ struct eth_platform_data *pdata;
++ int err = -ENXIO, i;
+
+- /* if forced media, go no further */
+- if (mii->force_media)
+- return;
++ /* Enable managment port */
++ macb_writel(bp, NCR, MACB_BIT(MPE));
+
+- /* check current and old link status */
+- old_carrier = netif_carrier_ok(mii->dev) ? 1 : 0;
+- new_carrier = (unsigned int) mii_link_ok(mii);
++ bp->mii_bus.name = "MACB_mii_bus",
++ bp->mii_bus.read = &macb_mdio_read,
++ bp->mii_bus.write = &macb_mdio_write,
++ bp->mii_bus.reset = &macb_mdio_reset,
++ bp->mii_bus.id = bp->pdev->id,
++ bp->mii_bus.priv = bp,
++ bp->mii_bus.dev = &bp->dev->dev;
++ pdata = bp->pdev->dev.platform_data;
+
+- /* if carrier state did not change, assume nothing else did */
+- if (!init_media && old_carrier == new_carrier)
+- return;
++ if (pdata)
++ bp->mii_bus.phy_mask = pdata->phy_mask;
+
+- /* no carrier, nothing much to do */
+- if (!new_carrier) {
+- netif_carrier_off(mii->dev);
+- printk(KERN_INFO "%s: link down\n", mii->dev->name);
+- return;
++ bp->mii_bus.irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL);
++ if (!bp->mii_bus.irq) {
++ err = -ENOMEM;
++ goto err_out;
+ }
+
+- /*
+- * we have carrier, see who's on the other end
+- */
+- netif_carrier_on(mii->dev);
++ for (i = 0; i < PHY_MAX_ADDR; i++)
++ bp->mii_bus.irq[i] = PHY_POLL;
+
+- /* get MII advertise and LPA values */
+- if (!init_media && mii->advertising) {
+- advertise = mii->advertising;
+- } else {
+- advertise = mii->mdio_read(mii->dev, mii->phy_id, MII_ADVERTISE);
+- mii->advertising = advertise;
+- }
+- lpa = mii->mdio_read(mii->dev, mii->phy_id, MII_LPA);
++ platform_set_drvdata(bp->dev, &bp->mii_bus);
+
+- /* figure out media and duplex from advertise and LPA values */
+- media = mii_nway_result(lpa & advertise);
+- duplex = (media & ADVERTISE_FULL) ? 1 : 0;
++ if (mdiobus_register(&bp->mii_bus))
++ goto err_out_free_mdio_irq;
+
+- if (ok_to_print)
+- printk(KERN_INFO "%s: link up, %sMbps, %s-duplex, lpa 0x%04X\n",
+- mii->dev->name,
+- media & (ADVERTISE_100FULL | ADVERTISE_100HALF) ? "100" : "10",
+- duplex ? "full" : "half", lpa);
++ if (macb_mii_probe(bp->dev) != 0) {
++ goto err_out_unregister_bus;
++ }
+
+- mii->full_duplex = duplex;
++ return 0;
+
+- /* Let the MAC know about the new link state */
+- macb_set_media(bp, media);
++err_out_unregister_bus:
++ mdiobus_unregister(&bp->mii_bus);
++err_out_free_mdio_irq:
++ kfree(bp->mii_bus.irq);
++err_out:
++ return err;
+ }
+
+ static void macb_update_stats(struct macb *bp)
+@@ -265,16 +296,6 @@ static void macb_update_stats(struct macb *bp)
+ *p += __raw_readl(reg);
+ }
+
+-static void macb_periodic_task(struct work_struct *work)
+-{
+- struct macb *bp = container_of(work, struct macb, periodic_task.work);
+-
+- macb_update_stats(bp);
+- macb_check_media(bp, 1, 0);
+-
+- schedule_delayed_work(&bp->periodic_task, HZ);
+-}
+-
+ static void macb_tx(struct macb *bp)
+ {
+ unsigned int tail;
+@@ -519,9 +540,6 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id)
+ spin_lock(&bp->lock);
+
+ while (status) {
+- if (status & MACB_BIT(MFD))
+- complete(&bp->mdio_complete);
+-
+ /* close possible race with dev_close */
+ if (unlikely(!netif_running(dev))) {
+ macb_writel(bp, IDR, ~0UL);
+@@ -535,7 +553,8 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id)
+ * until we have processed the buffers
+ */
+ macb_writel(bp, IDR, MACB_RX_INT_FLAGS);
+- dev_dbg(&bp->pdev->dev, "scheduling RX softirq\n");
++ dev_dbg(&bp->pdev->dev,
++ "scheduling RX softirq\n");
+ __netif_rx_schedule(dev);
+ }
+ }
+@@ -765,7 +784,7 @@ static void macb_init_hw(struct macb *bp)
+ macb_writel(bp, TBQP, bp->tx_ring_dma);
+
+ /* Enable TX and RX */
+- macb_writel(bp, NCR, MACB_BIT(RE) | MACB_BIT(TE));
++ macb_writel(bp, NCR, MACB_BIT(RE) | MACB_BIT(TE) | MACB_BIT(MPE));
+
+ /* Enable interrupts */
+ macb_writel(bp, IER, (MACB_BIT(RCOMP)
+@@ -776,18 +795,126 @@ static void macb_init_hw(struct macb *bp)
+ | MACB_BIT(TCOMP)
+ | MACB_BIT(ISR_ROVR)
+ | MACB_BIT(HRESP)));
++
+ }
+
+-static void macb_init_phy(struct net_device *dev)
++/*
++ * The hash address register is 64 bits long and takes up two
++ * locations in the memory map. The least significant bits are stored
++ * in EMAC_HSL and the most significant bits in EMAC_HSH.
++ *
++ * The unicast hash enable and the multicast hash enable bits in the
++ * network configuration register enable the reception of hash matched
++ * frames. The destination address is reduced to a 6 bit index into
++ * the 64 bit hash register using the following hash function. The
++ * hash function is an exclusive or of every sixth bit of the
++ * destination address.
++ *
++ * hi[5] = da[5] ^ da[11] ^ da[17] ^ da[23] ^ da[29] ^ da[35] ^ da[41] ^ da[47]
++ * hi[4] = da[4] ^ da[10] ^ da[16] ^ da[22] ^ da[28] ^ da[34] ^ da[40] ^ da[46]
++ * hi[3] = da[3] ^ da[09] ^ da[15] ^ da[21] ^ da[27] ^ da[33] ^ da[39] ^ da[45]
++ * hi[2] = da[2] ^ da[08] ^ da[14] ^ da[20] ^ da[26] ^ da[32] ^ da[38] ^ da[44]
++ * hi[1] = da[1] ^ da[07] ^ da[13] ^ da[19] ^ da[25] ^ da[31] ^ da[37] ^ da[43]
++ * hi[0] = da[0] ^ da[06] ^ da[12] ^ da[18] ^ da[24] ^ da[30] ^ da[36] ^ da[42]
++ *
++ * da[0] represents the least significant bit of the first byte
++ * received, that is, the multicast/unicast indicator, and da[47]
++ * represents the most significant bit of the last byte received. If
++ * the hash index, hi[n], points to a bit that is set in the hash
++ * register then the frame will be matched according to whether the
++ * frame is multicast or unicast. A multicast match will be signalled
++ * if the multicast hash enable bit is set, da[0] is 1 and the hash
++ * index points to a bit set in the hash register. A unicast match
++ * will be signalled if the unicast hash enable bit is set, da[0] is 0
++ * and the hash index points to a bit set in the hash register. To
++ * receive all multicast frames, the hash register should be set with
++ * all ones and the multicast hash enable bit should be set in the
++ * network configuration register.
++ */
++
++static inline int hash_bit_value(int bitnr, __u8 *addr)
+ {
++ if (addr[bitnr / 8] & (1 << (bitnr % 8)))
++ return 1;
++ return 0;
++}
++
++/*
++ * Return the hash index value for the specified address.
++ */
++static int hash_get_index(__u8 *addr)
++{
++ int i, j, bitval;
++ int hash_index = 0;
++
++ for (j = 0; j < 6; j++) {
++ for (i = 0, bitval = 0; i < 8; i++)
++ bitval ^= hash_bit_value(i*6 + j, addr);
++
++ hash_index |= (bitval << j);
++ }
++
++ return hash_index;
++}
++
++/*
++ * Add multicast addresses to the internal multicast-hash table.
++ */
++static void macb_sethashtable(struct net_device *dev)
++{
++ struct dev_mc_list *curr;
++ unsigned long mc_filter[2];
++ unsigned int i, bitnr;
++ struct macb *bp = netdev_priv(dev);
++
++ mc_filter[0] = mc_filter[1] = 0;
++
++ curr = dev->mc_list;
++ for (i = 0; i < dev->mc_count; i++, curr = curr->next) {
++ if (!curr) break; /* unexpected end of list */
++
++ bitnr = hash_get_index(curr->dmi_addr);
++ mc_filter[bitnr >> 5] |= 1 << (bitnr & 31);
++ }
++
++ macb_writel(bp, HRB, mc_filter[0]);
++ macb_writel(bp, HRT, mc_filter[1]);
++}
++
++/*
++ * Enable/Disable promiscuous and multicast modes.
++ */
++static void macb_set_rx_mode(struct net_device *dev)
++{
++ unsigned long cfg;
+ struct macb *bp = netdev_priv(dev);
+
+- /* Set some reasonable default settings */
+- macb_mdio_write(dev, bp->mii.phy_id, MII_ADVERTISE,
+- ADVERTISE_CSMA | ADVERTISE_ALL);
+- macb_mdio_write(dev, bp->mii.phy_id, MII_BMCR,
+- (BMCR_SPEED100 | BMCR_ANENABLE
+- | BMCR_ANRESTART | BMCR_FULLDPLX));
++ cfg = macb_readl(bp, NCFGR);
++
++ if (dev->flags & IFF_PROMISC)
++ /* Enable promiscuous mode */
++ cfg |= MACB_BIT(CAF);
++ else if (dev->flags & (~IFF_PROMISC))
++ /* Disable promiscuous mode */
++ cfg &= ~MACB_BIT(CAF);
++
++ if (dev->flags & IFF_ALLMULTI) {
++ /* Enable all multicast mode */
++ macb_writel(bp, HRB, -1);
++ macb_writel(bp, HRT, -1);
++ cfg |= MACB_BIT(NCFGR_MTI);
++ } else if (dev->mc_count > 0) {
++ /* Enable specific multicasts */
++ macb_sethashtable(dev);
++ cfg |= MACB_BIT(NCFGR_MTI);
++ } else if (dev->flags & (~IFF_ALLMULTI)) {
++ /* Disable all multicast mode */
++ macb_writel(bp, HRB, 0);
++ macb_writel(bp, HRT, 0);
++ cfg &= ~MACB_BIT(NCFGR_MTI);
++ }
++
++ macb_writel(bp, NCFGR, cfg);
+ }
+
+ static int macb_open(struct net_device *dev)
+@@ -797,6 +924,10 @@ static int macb_open(struct net_device *dev)
+
+ dev_dbg(&bp->pdev->dev, "open\n");
+
++ /* if the phy is not yet register, retry later*/
++ if (!bp->phy_dev)
++ return -EAGAIN;
++
+ if (!is_valid_ether_addr(dev->dev_addr))
+ return -EADDRNOTAVAIL;
+
+@@ -810,12 +941,11 @@ static int macb_open(struct net_device *dev)
+
+ macb_init_rings(bp);
+ macb_init_hw(bp);
+- macb_init_phy(dev);
+
+- macb_check_media(bp, 1, 1);
+- netif_start_queue(dev);
++ /* schedule a link state check */
++ phy_start(bp->phy_dev);
+
+- schedule_delayed_work(&bp->periodic_task, HZ);
++ netif_start_queue(dev);
+
+ return 0;
+ }
+@@ -825,10 +955,11 @@ static int macb_close(struct net_device *dev)
+ struct macb *bp = netdev_priv(dev);
+ unsigned long flags;
+
+- cancel_rearming_delayed_work(&bp->periodic_task);
+-
+ netif_stop_queue(dev);
+
++ if (bp->phy_dev)
++ phy_stop(bp->phy_dev);
++
+ spin_lock_irqsave(&bp->lock, flags);
+ macb_reset_hw(bp);
+ netif_carrier_off(dev);
+@@ -845,6 +976,9 @@ static struct net_device_stats *macb_get_stats(struct net_device *dev)
+ struct net_device_stats *nstat = &bp->stats;
+ struct macb_stats *hwstat = &bp->hw_stats;
+
++ /* read stats from hardware */
++ macb_update_stats(bp);
++
+ /* Convert HW stats into netdevice stats */
+ nstat->rx_errors = (hwstat->rx_fcs_errors +
+ hwstat->rx_align_errors +
+@@ -882,18 +1016,27 @@ static struct net_device_stats *macb_get_stats(struct net_device *dev)
+ static int macb_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+ {
+ struct macb *bp = netdev_priv(dev);
++ struct phy_device *phydev = bp->phy_dev;
+
+- return mii_ethtool_gset(&bp->mii, cmd);
++ if (!phydev)
++ return -ENODEV;
++
++ return phy_ethtool_gset(phydev, cmd);
+ }
+
+ static int macb_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+ {
+ struct macb *bp = netdev_priv(dev);
++ struct phy_device *phydev = bp->phy_dev;
+
+- return mii_ethtool_sset(&bp->mii, cmd);
++ if (!phydev)
++ return -ENODEV;
++
++ return phy_ethtool_sset(phydev, cmd);
+ }
+
+-static void macb_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
++static void macb_get_drvinfo(struct net_device *dev,
++ struct ethtool_drvinfo *info)
+ {
+ struct macb *bp = netdev_priv(dev);
+
+@@ -902,104 +1045,34 @@ static void macb_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *inf
+ strcpy(info->bus_info, bp->pdev->dev.bus_id);
+ }
+
+-static int macb_nway_reset(struct net_device *dev)
+-{
+- struct macb *bp = netdev_priv(dev);
+- return mii_nway_restart(&bp->mii);
+-}
+-
+ static struct ethtool_ops macb_ethtool_ops = {
+ .get_settings = macb_get_settings,
+ .set_settings = macb_set_settings,
+ .get_drvinfo = macb_get_drvinfo,
+- .nway_reset = macb_nway_reset,
+ .get_link = ethtool_op_get_link,
+ };
+
+ static int macb_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+ {
+ struct macb *bp = netdev_priv(dev);
++ struct phy_device *phydev = bp->phy_dev;
+
+ if (!netif_running(dev))
+ return -EINVAL;
+
+- return generic_mii_ioctl(&bp->mii, if_mii(rq), cmd, NULL);
+-}
+-
+-static ssize_t macb_mii_show(const struct device *_dev, char *buf,
+- unsigned long addr)
+-{
+- struct net_device *dev = to_net_dev(_dev);
+- struct macb *bp = netdev_priv(dev);
+- ssize_t ret = -EINVAL;
+-
+- if (netif_running(dev)) {
+- int value;
+- value = macb_mdio_read(dev, bp->mii.phy_id, addr);
+- ret = sprintf(buf, "0x%04x\n", (uint16_t)value);
+- }
+-
+- return ret;
+-}
+-
+-#define MII_ENTRY(name, addr) \
+-static ssize_t show_##name(struct device *_dev, \
+- struct device_attribute *attr, \
+- char *buf) \
+-{ \
+- return macb_mii_show(_dev, buf, addr); \
+-} \
+-static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL)
+-
+-MII_ENTRY(bmcr, MII_BMCR);
+-MII_ENTRY(bmsr, MII_BMSR);
+-MII_ENTRY(physid1, MII_PHYSID1);
+-MII_ENTRY(physid2, MII_PHYSID2);
+-MII_ENTRY(advertise, MII_ADVERTISE);
+-MII_ENTRY(lpa, MII_LPA);
+-MII_ENTRY(expansion, MII_EXPANSION);
+-
+-static struct attribute *macb_mii_attrs[] = {
+- &dev_attr_bmcr.attr,
+- &dev_attr_bmsr.attr,
+- &dev_attr_physid1.attr,
+- &dev_attr_physid2.attr,
+- &dev_attr_advertise.attr,
+- &dev_attr_lpa.attr,
+- &dev_attr_expansion.attr,
+- NULL,
+-};
+-
+-static struct attribute_group macb_mii_group = {
+- .name = "mii",
+- .attrs = macb_mii_attrs,
+-};
+-
+-static void macb_unregister_sysfs(struct net_device *net)
+-{
+- struct device *_dev = &net->dev;
++ if (!phydev)
++ return -ENODEV;
+
+- sysfs_remove_group(&_dev->kobj, &macb_mii_group);
++ return phy_mii_ioctl(phydev, if_mii(rq), cmd);
+ }
+
+-static int macb_register_sysfs(struct net_device *net)
+-{
+- struct device *_dev = &net->dev;
+- int ret;
+-
+- ret = sysfs_create_group(&_dev->kobj, &macb_mii_group);
+- if (ret)
+- printk(KERN_WARNING
+- "%s: sysfs mii attribute registration failed: %d\n",
+- net->name, ret);
+- return ret;
+-}
+ static int __devinit macb_probe(struct platform_device *pdev)
+ {
+ struct eth_platform_data *pdata;
+ struct resource *regs;
+ struct net_device *dev;
+ struct macb *bp;
++ struct phy_device *phydev;
+ unsigned long pclk_hz;
+ u32 config;
+ int err = -ENXIO;
+@@ -1073,6 +1146,7 @@ static int __devinit macb_probe(struct platform_device *pdev)
+ dev->stop = macb_close;
+ dev->hard_start_xmit = macb_start_xmit;
+ dev->get_stats = macb_get_stats;
++ dev->set_multicast_list = macb_set_rx_mode;
+ dev->do_ioctl = macb_ioctl;
+ dev->poll = macb_poll;
+ dev->weight = 64;
+@@ -1080,10 +1154,6 @@ static int __devinit macb_probe(struct platform_device *pdev)
+
+ dev->base_addr = regs->start;
+
+- INIT_DELAYED_WORK(&bp->periodic_task, macb_periodic_task);
+- mutex_init(&bp->mdio_mutex);
+- init_completion(&bp->mdio_complete);
+-
+ /* Set MII management clock divider */
+ pclk_hz = clk_get_rate(bp->pclk);
+ if (pclk_hz <= 20000000)
+@@ -1096,20 +1166,9 @@ static int __devinit macb_probe(struct platform_device *pdev)
+ config = MACB_BF(CLK, MACB_CLK_DIV64);
+ macb_writel(bp, NCFGR, config);
+
+- bp->mii.dev = dev;
+- bp->mii.mdio_read = macb_mdio_read;
+- bp->mii.mdio_write = macb_mdio_write;
+- bp->mii.phy_id_mask = 0x1f;
+- bp->mii.reg_num_mask = 0x1f;
+-
+ macb_get_hwaddr(bp);
+- err = macb_phy_probe(bp);
+- if (err) {
+- dev_err(&pdev->dev, "Failed to detect PHY, aborting.\n");
+- goto err_out_free_irq;
+- }
+-
+ pdata = pdev->dev.platform_data;
++
+ if (pdata && pdata->is_rmii)
+ #if defined(CONFIG_ARCH_AT91)
+ macb_writel(bp, USRIO, (MACB_BIT(RMII) | MACB_BIT(CLKEN)) );
+@@ -1131,9 +1190,11 @@ static int __devinit macb_probe(struct platform_device *pdev)
+ goto err_out_free_irq;
+ }
+
+- platform_set_drvdata(pdev, dev);
++ if (macb_mii_init(bp) != 0) {
++ goto err_out_unregister_netdev;
++ }
+
+- macb_register_sysfs(dev);
++ platform_set_drvdata(pdev, dev);
+
+ printk(KERN_INFO "%s: Atmel MACB at 0x%08lx irq %d "
+ "(%02x:%02x:%02x:%02x:%02x:%02x)\n",
+@@ -1141,8 +1202,15 @@ static int __devinit macb_probe(struct platform_device *pdev)
+ dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
+ dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
+
++ phydev = bp->phy_dev;
++ printk(KERN_INFO "%s: attached PHY driver [%s] "
++ "(mii_bus:phy_addr=%s, irq=%d)\n",
++ dev->name, phydev->drv->name, phydev->dev.bus_id, phydev->irq);
++
+ return 0;
+
++err_out_unregister_netdev:
++ unregister_netdev(dev);
+ err_out_free_irq:
+ free_irq(dev->irq, dev);
+ err_out_iounmap:
+@@ -1153,7 +1221,9 @@ err_out_disable_clocks:
+ clk_put(bp->hclk);
+ #endif
+ clk_disable(bp->pclk);
++#ifndef CONFIG_ARCH_AT91
+ err_out_put_pclk:
++#endif
+ clk_put(bp->pclk);
+ err_out_free_dev:
+ free_netdev(dev);
+@@ -1171,7 +1241,8 @@ static int __devexit macb_remove(struct platform_device *pdev)
+
+ if (dev) {
+ bp = netdev_priv(dev);
+- macb_unregister_sysfs(dev);
++ mdiobus_unregister(&bp->mii_bus);
++ kfree(bp->mii_bus.irq);
+ unregister_netdev(dev);
+ free_irq(dev->irq, dev);
+ iounmap(bp->regs);
+diff --git a/drivers/net/macb.h b/drivers/net/macb.h
+index b3bb218..4e3283e 100644
+--- a/drivers/net/macb.h
++++ b/drivers/net/macb.h
+@@ -383,11 +383,11 @@ struct macb {
+
+ unsigned int rx_pending, tx_pending;
+
+- struct delayed_work periodic_task;
+-
+- struct mutex mdio_mutex;
+- struct completion mdio_complete;
+- struct mii_if_info mii;
++ struct mii_bus mii_bus;
++ struct phy_device *phy_dev;
++ unsigned int link;
++ unsigned int speed;
++ unsigned int duplex;
+ };
+
+ #endif /* _MACB_H */
+diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
+index 4e4c10a..6d014fb 100644
+--- a/drivers/rtc/Kconfig
++++ b/drivers/rtc/Kconfig
+@@ -379,6 +379,13 @@ config RTC_DRV_PL031
+ To compile this driver as a module, choose M here: the
+ module will be called rtc-pl031.
+
++config RTC_DRV_AT32AP700X
++ tristate "AT32AP700X series RTC"
++ depends on RTC_CLASS && PLATFORM_AT32AP
++ help
++ Driver for the internal RTC (Realtime Clock) on Atmel AVR32
++ AT32AP700x family processors.
++
+ config RTC_DRV_AT91RM9200
+ tristate "AT91RM9200"
+ depends on RTC_CLASS && ARCH_AT91RM9200
+diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
+index a1afbc2..5fb1c10 100644
+--- a/drivers/rtc/Makefile
++++ b/drivers/rtc/Makefile
+@@ -19,6 +19,7 @@ obj-$(CONFIG_RTC_DRV_CMOS) += rtc-cmos.o
+ obj-$(CONFIG_RTC_DRV_X1205) += rtc-x1205.o
+ obj-$(CONFIG_RTC_DRV_ISL1208) += rtc-isl1208.o
+ obj-$(CONFIG_RTC_DRV_TEST) += rtc-test.o
++obj-$(CONFIG_RTC_DRV_AT32AP700X) += rtc-at32ap700x.o
+ obj-$(CONFIG_RTC_DRV_DS1307) += rtc-ds1307.o
+ obj-$(CONFIG_RTC_DRV_DS1672) += rtc-ds1672.o
+ obj-$(CONFIG_RTC_DRV_DS1742) += rtc-ds1742.o
+diff --git a/drivers/rtc/rtc-at32ap700x.c b/drivers/rtc/rtc-at32ap700x.c
+new file mode 100644
+index 0000000..2999214
+--- /dev/null
++++ b/drivers/rtc/rtc-at32ap700x.c
+@@ -0,0 +1,317 @@
++/*
++ * An RTC driver for the AVR32 AT32AP700x processor series.
++ *
++ * Copyright (C) 2007 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify it
++ * under the terms of the GNU General Public License version 2 as published
++ * by the Free Software Foundation.
++ */
++
++#include <linux/module.h>
++#include <linux/kernel.h>
++#include <linux/platform_device.h>
++#include <linux/rtc.h>
++#include <linux/io.h>
++
++/*
++ * This is a bare-bones RTC. It runs during most system sleep states, but has
++ * no battery backup and gets reset during system restart. It must be
++ * initialized from an external clock (network, I2C, etc) before it can be of
++ * much use.
++ *
++ * The alarm functionality is limited by the hardware, not supporting
++ * periodic interrupts.
++ */
++
++#define RTC_CTRL 0x00
++#define RTC_CTRL_EN 0
++#define RTC_CTRL_PCLR 1
++#define RTC_CTRL_TOPEN 2
++#define RTC_CTRL_PSEL 8
++
++#define RTC_VAL 0x04
++
++#define RTC_TOP 0x08
++
++#define RTC_IER 0x10
++#define RTC_IER_TOPI 0
++
++#define RTC_IDR 0x14
++#define RTC_IDR_TOPI 0
++
++#define RTC_IMR 0x18
++#define RTC_IMR_TOPI 0
++
++#define RTC_ISR 0x1c
++#define RTC_ISR_TOPI 0
++
++#define RTC_ICR 0x20
++#define RTC_ICR_TOPI 0
++
++#define RTC_BIT(name) (1 << RTC_##name)
++#define RTC_BF(name, value) ((value) << RTC_##name)
++
++#define rtc_readl(dev, reg) \
++ __raw_readl((dev)->regs + RTC_##reg)
++#define rtc_writel(dev, reg, value) \
++ __raw_writel((value), (dev)->regs + RTC_##reg)
++
++struct rtc_at32ap700x {
++ struct rtc_device *rtc;
++ void __iomem *regs;
++ unsigned long alarm_time;
++ unsigned long irq;
++ /* Protect against concurrent register access. */
++ spinlock_t lock;
++};
++
++static int at32_rtc_readtime(struct device *dev, struct rtc_time *tm)
++{
++ struct rtc_at32ap700x *rtc = dev_get_drvdata(dev);
++ unsigned long now;
++
++ now = rtc_readl(rtc, VAL);
++ rtc_time_to_tm(now, tm);
++
++ return 0;
++}
++
++static int at32_rtc_settime(struct device *dev, struct rtc_time *tm)
++{
++ struct rtc_at32ap700x *rtc = dev_get_drvdata(dev);
++ unsigned long now;
++ int ret;
++
++ ret = rtc_tm_to_time(tm, &now);
++ if (ret == 0)
++ rtc_writel(rtc, VAL, now);
++
++ return ret;
++}
++
++static int at32_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm)
++{
++ struct rtc_at32ap700x *rtc = dev_get_drvdata(dev);
++
++ rtc_time_to_tm(rtc->alarm_time, &alrm->time);
++ alrm->pending = rtc_readl(rtc, IMR) & RTC_BIT(IMR_TOPI) ? 1 : 0;
++
++ return 0;
++}
++
++static int at32_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
++{
++ struct rtc_at32ap700x *rtc = dev_get_drvdata(dev);
++ unsigned long rtc_unix_time;
++ unsigned long alarm_unix_time;
++ int ret;
++
++ rtc_unix_time = rtc_readl(rtc, VAL);
++
++ ret = rtc_tm_to_time(&alrm->time, &alarm_unix_time);
++ if (ret)
++ return ret;
++
++ if (alarm_unix_time < rtc_unix_time)
++ return -EINVAL;
++
++ spin_lock_irq(&rtc->lock);
++ rtc->alarm_time = alarm_unix_time;
++ rtc_writel(rtc, TOP, rtc->alarm_time);
++ if (alrm->pending)
++ rtc_writel(rtc, CTRL, rtc_readl(rtc, CTRL)
++ | RTC_BIT(CTRL_TOPEN));
++ else
++ rtc_writel(rtc, CTRL, rtc_readl(rtc, CTRL)
++ & ~RTC_BIT(CTRL_TOPEN));
++ spin_unlock_irq(&rtc->lock);
++
++ return ret;
++}
++
++static int at32_rtc_ioctl(struct device *dev, unsigned int cmd,
++ unsigned long arg)
++{
++ struct rtc_at32ap700x *rtc = dev_get_drvdata(dev);
++ int ret = 0;
++
++ spin_lock_irq(&rtc->lock);
++
++ switch (cmd) {
++ case RTC_AIE_ON:
++ if (rtc_readl(rtc, VAL) > rtc->alarm_time) {
++ ret = -EINVAL;
++ break;
++ }
++ rtc_writel(rtc, CTRL, rtc_readl(rtc, CTRL)
++ | RTC_BIT(CTRL_TOPEN));
++ rtc_writel(rtc, ICR, RTC_BIT(ICR_TOPI));
++ rtc_writel(rtc, IER, RTC_BIT(IER_TOPI));
++ break;
++ case RTC_AIE_OFF:
++ rtc_writel(rtc, CTRL, rtc_readl(rtc, CTRL)
++ & ~RTC_BIT(CTRL_TOPEN));
++ rtc_writel(rtc, IDR, RTC_BIT(IDR_TOPI));
++ rtc_writel(rtc, ICR, RTC_BIT(ICR_TOPI));
++ break;
++ default:
++ ret = -ENOIOCTLCMD;
++ break;
++ }
++
++ spin_unlock_irq(&rtc->lock);
++
++ return ret;
++}
++
++static irqreturn_t at32_rtc_interrupt(int irq, void *dev_id)
++{
++ struct rtc_at32ap700x *rtc = (struct rtc_at32ap700x *)dev_id;
++ unsigned long isr = rtc_readl(rtc, ISR);
++ unsigned long events = 0;
++ int ret = IRQ_NONE;
++
++ spin_lock(&rtc->lock);
++
++ if (isr & RTC_BIT(ISR_TOPI)) {
++ rtc_writel(rtc, ICR, RTC_BIT(ICR_TOPI));
++ rtc_writel(rtc, IDR, RTC_BIT(IDR_TOPI));
++ rtc_writel(rtc, CTRL, rtc_readl(rtc, CTRL)
++ & ~RTC_BIT(CTRL_TOPEN));
++ rtc_writel(rtc, VAL, rtc->alarm_time);
++ events = RTC_AF | RTC_IRQF;
++ rtc_update_irq(rtc->rtc, 1, events);
++ ret = IRQ_HANDLED;
++ }
++
++ spin_unlock(&rtc->lock);
++
++ return ret;
++}
++
++static struct rtc_class_ops at32_rtc_ops = {
++ .ioctl = at32_rtc_ioctl,
++ .read_time = at32_rtc_readtime,
++ .set_time = at32_rtc_settime,
++ .read_alarm = at32_rtc_readalarm,
++ .set_alarm = at32_rtc_setalarm,
++};
++
++static int __init at32_rtc_probe(struct platform_device *pdev)
++{
++ struct resource *regs;
++ struct rtc_at32ap700x *rtc;
++ int irq = -1;
++ int ret;
++
++ rtc = kzalloc(sizeof(struct rtc_at32ap700x), GFP_KERNEL);
++ if (!rtc) {
++ dev_dbg(&pdev->dev, "out of memory\n");
++ return -ENOMEM;
++ }
++
++ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ if (!regs) {
++ dev_dbg(&pdev->dev, "no mmio resource defined\n");
++ ret = -ENXIO;
++ goto out;
++ }
++
++ irq = platform_get_irq(pdev, 0);
++ if (irq < 0) {
++ dev_dbg(&pdev->dev, "could not get irq\n");
++ ret = -ENXIO;
++ goto out;
++ }
++
++ ret = request_irq(irq, at32_rtc_interrupt, IRQF_SHARED, "rtc", rtc);
++ if (ret) {
++ dev_dbg(&pdev->dev, "could not request irq %d\n", irq);
++ goto out;
++ }
++
++ rtc->irq = irq;
++ rtc->regs = ioremap(regs->start, regs->end - regs->start + 1);
++ if (!rtc->regs) {
++ ret = -ENOMEM;
++ dev_dbg(&pdev->dev, "could not map I/O memory\n");
++ goto out_free_irq;
++ }
++ spin_lock_init(&rtc->lock);
++
++ /*
++ * Maybe init RTC: count from zero at 1 Hz, disable wrap irq.
++ *
++ * Do not reset VAL register, as it can hold an old time
++ * from last JTAG reset.
++ */
++ if (!(rtc_readl(rtc, CTRL) & RTC_BIT(CTRL_EN))) {
++ rtc_writel(rtc, CTRL, RTC_BIT(CTRL_PCLR));
++ rtc_writel(rtc, IDR, RTC_BIT(IDR_TOPI));
++ rtc_writel(rtc, CTRL, RTC_BF(CTRL_PSEL, 0xe)
++ | RTC_BIT(CTRL_EN));
++ }
++
++ rtc->rtc = rtc_device_register(pdev->name, &pdev->dev,
++ &at32_rtc_ops, THIS_MODULE);
++ if (IS_ERR(rtc->rtc)) {
++ dev_dbg(&pdev->dev, "could not register rtc device\n");
++ ret = PTR_ERR(rtc->rtc);
++ goto out_iounmap;
++ }
++
++ platform_set_drvdata(pdev, rtc);
++
++ dev_info(&pdev->dev, "Atmel RTC for AT32AP700x at %08lx irq %ld\n",
++ (unsigned long)rtc->regs, rtc->irq);
++
++ return 0;
++
++out_iounmap:
++ iounmap(rtc->regs);
++out_free_irq:
++ free_irq(irq, rtc);
++out:
++ kfree(rtc);
++ return ret;
++}
++
++static int __exit at32_rtc_remove(struct platform_device *pdev)
++{
++ struct rtc_at32ap700x *rtc = platform_get_drvdata(pdev);
++
++ free_irq(rtc->irq, rtc);
++ iounmap(rtc->regs);
++ rtc_device_unregister(rtc->rtc);
++ kfree(rtc);
++ platform_set_drvdata(pdev, NULL);
++
++ return 0;
++}
++
++MODULE_ALIAS("at32ap700x_rtc");
++
++static struct platform_driver at32_rtc_driver = {
++ .remove = __exit_p(at32_rtc_remove),
++ .driver = {
++ .name = "at32ap700x_rtc",
++ .owner = THIS_MODULE,
++ },
++};
++
++static int __init at32_rtc_init(void)
++{
++ return platform_driver_probe(&at32_rtc_driver, at32_rtc_probe);
++}
++module_init(at32_rtc_init);
++
++static void __exit at32_rtc_exit(void)
++{
++ platform_driver_unregister(&at32_rtc_driver);
++}
++module_exit(at32_rtc_exit);
++
++MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>");
++MODULE_DESCRIPTION("Real time clock for AVR32 AT32AP700x");
++MODULE_LICENSE("GPL");
+diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c
+index 3320bcd..4d6b3c5 100644
+--- a/drivers/serial/atmel_serial.c
++++ b/drivers/serial/atmel_serial.c
+@@ -114,6 +114,7 @@ struct atmel_uart_port {
+ struct uart_port uart; /* uart */
+ struct clk *clk; /* uart clock */
+ unsigned short suspended; /* is port suspended? */
++ int break_active; /* break being received */
+ };
+
+ static struct atmel_uart_port atmel_ports[ATMEL_MAX_UART];
+@@ -252,6 +253,7 @@ static void atmel_break_ctl(struct uart_port *port, int break_state)
+ */
+ static void atmel_rx_chars(struct uart_port *port)
+ {
++ struct atmel_uart_port *atmel_port = (struct atmel_uart_port *) port;
+ struct tty_struct *tty = port->info->tty;
+ unsigned int status, ch, flg;
+
+@@ -267,13 +269,29 @@ static void atmel_rx_chars(struct uart_port *port)
+ * note that the error handling code is
+ * out of the main execution path
+ */
+- if (unlikely(status & (ATMEL_US_PARE | ATMEL_US_FRAME | ATMEL_US_OVRE | ATMEL_US_RXBRK))) {
++ if (unlikely(status & (ATMEL_US_PARE | ATMEL_US_FRAME
++ | ATMEL_US_OVRE | ATMEL_US_RXBRK)
++ || atmel_port->break_active)) {
+ UART_PUT_CR(port, ATMEL_US_RSTSTA); /* clear error */
+- if (status & ATMEL_US_RXBRK) {
++ if (status & ATMEL_US_RXBRK
++ && !atmel_port->break_active) {
+ status &= ~(ATMEL_US_PARE | ATMEL_US_FRAME); /* ignore side-effect */
+ port->icount.brk++;
++ atmel_port->break_active = 1;
++ UART_PUT_IER(port, ATMEL_US_RXBRK);
+ if (uart_handle_break(port))
+ goto ignore_char;
++ } else {
++ /*
++ * This is either the end-of-break
++ * condition or we've received at
++ * least one character without RXBRK
++ * being set. In both cases, the next
++ * RXBRK will indicate start-of-break.
++ */
++ UART_PUT_IDR(port, ATMEL_US_RXBRK);
++ status &= ~ATMEL_US_RXBRK;
++ atmel_port->break_active = 0;
+ }
+ if (status & ATMEL_US_PARE)
+ port->icount.parity++;
+@@ -352,6 +370,16 @@ static irqreturn_t atmel_interrupt(int irq, void *dev_id)
+ /* Interrupt receive */
+ if (pending & ATMEL_US_RXRDY)
+ atmel_rx_chars(port);
++ else if (pending & ATMEL_US_RXBRK) {
++ /*
++ * End of break detected. If it came along
++ * with a character, atmel_rx_chars will
++ * handle it.
++ */
++ UART_PUT_CR(port, ATMEL_US_RSTSTA);
++ UART_PUT_IDR(port, ATMEL_US_RXBRK);
++ atmel_port->break_active = 0;
++ }
+
+ // TODO: All reads to CSR will clear these interrupts!
+ if (pending & ATMEL_US_RIIC) port->icount.rng++;
+diff --git a/drivers/spi/atmel_spi.c b/drivers/spi/atmel_spi.c
+index 8b2601d..8f5453f 100644
+--- a/drivers/spi/atmel_spi.c
++++ b/drivers/spi/atmel_spi.c
+@@ -412,8 +412,8 @@ static int atmel_spi_setup(struct spi_device *spi)
+ csr |= SPI_BIT(NCPHA);
+
+ /* TODO: DLYBS and DLYBCT */
+- csr |= SPI_BF(DLYBS, 10);
+- csr |= SPI_BF(DLYBCT, 10);
++ csr |= SPI_BF(DLYBS, 0);
++ csr |= SPI_BF(DLYBCT, 0);
+
+ /* chipselect must have been muxed as GPIO (e.g. in board setup) */
+ npcs_pin = (unsigned int)spi->controller_data;
+diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
+index f771a7c..0c3d55b 100644
+--- a/drivers/usb/gadget/Kconfig
++++ b/drivers/usb/gadget/Kconfig
+@@ -175,6 +175,19 @@ config USB_LH7A40X
+ default USB_GADGET
+ select USB_GADGET_SELECTED
+
++config USB_GADGET_ATMEL_USBA
++ boolean "Atmel USBA"
++ select USB_GADGET_DUALSPEED
++ depends on AVR32
++ help
++ USBA is the integrated high-speed USB Device controller on
++ the AT32AP700x processors from Atmel.
++
++config USB_ATMEL_USBA
++ tristate
++ depends on USB_GADGET_ATMEL_USBA
++ default USB_GADGET
++ select USB_GADGET_SELECTED
+
+ config USB_GADGET_OMAP
+ boolean "OMAP USB Device Controller"
+diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile
+index 5db1939..c28da01 100644
+--- a/drivers/usb/gadget/Makefile
++++ b/drivers/usb/gadget/Makefile
+@@ -8,6 +8,7 @@ obj-$(CONFIG_USB_GOKU) += goku_udc.o
+ obj-$(CONFIG_USB_OMAP) += omap_udc.o
+ obj-$(CONFIG_USB_LH7A40X) += lh7a40x_udc.o
+ obj-$(CONFIG_USB_AT91) += at91_udc.o
++obj-$(CONFIG_USB_ATMEL_USBA) += atmel_usba_udc.o
+ obj-$(CONFIG_USB_FSL_USB2) += fsl_usb2_udc.o
+
+ #
+diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
+new file mode 100644
+index 0000000..34dbae3
+--- /dev/null
++++ b/drivers/usb/gadget/atmel_usba_udc.c
+@@ -0,0 +1,2072 @@
++/*
++ * Driver for the Atmel USBA high speed USB device controller
++ *
++ * Copyright (C) 2005-2007 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++/* #define DEBUG */
++
++#include <linux/clk.h>
++#include <linux/module.h>
++#include <linux/init.h>
++#include <linux/interrupt.h>
++#include <linux/io.h>
++#include <linux/device.h>
++#include <linux/dma-mapping.h>
++#include <linux/list.h>
++#include <linux/platform_device.h>
++#include <linux/usb/ch9.h>
++#include <linux/usb_gadget.h>
++#include <linux/delay.h>
++
++#include <asm/gpio.h>
++#include <asm/arch/board.h>
++
++#include "atmel_usba_udc.h"
++
++#define DMA_ADDR_INVALID (~(dma_addr_t)0)
++
++#define FIFO_IOMEM_ID 0
++#define CTRL_IOMEM_ID 1
++
++#ifdef DEBUG
++#define DBG_ERR 0x0001 /* report all error returns */
++#define DBG_HW 0x0002 /* debug hardware initialization */
++#define DBG_GADGET 0x0004 /* calls to/from gadget driver */
++#define DBG_INT 0x0008 /* interrupts */
++#define DBG_BUS 0x0010 /* report changes in bus state */
++#define DBG_QUEUE 0x0020 /* debug request queue processing */
++#define DBG_FIFO 0x0040 /* debug FIFO contents */
++#define DBG_DMA 0x0080 /* debug DMA handling */
++#define DBG_REQ 0x0100 /* print out queued request length */
++#define DBG_ALL 0xffff
++#define DBG_NONE 0x0000
++
++#define DEBUG_LEVEL (DBG_ERR)
++#define DBG(level, fmt, ...) \
++ do { \
++ if ((level) & DEBUG_LEVEL) \
++ printk(KERN_DEBUG "udc: " fmt, ## __VA_ARGS__); \
++ } while (0)
++#else
++#define DBG(level, fmt...)
++#endif
++
++static struct usba_udc the_udc;
++
++#ifdef CONFIG_DEBUG_FS
++#include <linux/debugfs.h>
++#include <linux/uaccess.h>
++
++static int queue_dbg_open(struct inode *inode, struct file *file)
++{
++ struct usba_ep *ep = inode->i_private;
++ struct usba_request *req, *req_copy;
++ struct list_head *queue_data;
++
++ queue_data = kmalloc(sizeof(*queue_data), GFP_KERNEL);
++ if (!queue_data)
++ return -ENOMEM;
++ INIT_LIST_HEAD(queue_data);
++
++ spin_lock_irq(&ep->udc->lock);
++ list_for_each_entry(req, &ep->queue, queue) {
++ req_copy = kmalloc(sizeof(*req_copy), GFP_ATOMIC);
++ if (!req_copy)
++ goto fail;
++ memcpy(req_copy, req, sizeof(*req_copy));
++ list_add_tail(&req_copy->queue, queue_data);
++ }
++ spin_unlock_irq(&ep->udc->lock);
++
++ file->private_data = queue_data;
++ return 0;
++
++fail:
++ spin_unlock_irq(&ep->udc->lock);
++ list_for_each_entry_safe(req, req_copy, queue_data, queue) {
++ list_del(&req->queue);
++ kfree(req);
++ }
++ kfree(queue_data);
++ return -ENOMEM;
++}
++
++/*
++ * bbbbbbbb llllllll IZS sssss nnnn FDL\n\0
++ *
++ * b: buffer address
++ * l: buffer length
++ * I/i: interrupt/no interrupt
++ * Z/z: zero/no zero
++ * S/s: short ok/short not ok
++ * s: status
++ * n: nr_packets
++ * F/f: submitted/not submitted to FIFO
++ * D/d: using/not using DMA
++ * L/l: last transaction/not last transaction
++ */
++static ssize_t queue_dbg_read(struct file *file, char __user *buf,
++ size_t nbytes, loff_t *ppos)
++{
++ struct list_head *queue = file->private_data;
++ struct usba_request *req, *tmp_req;
++ size_t len, remaining, actual = 0;
++ char tmpbuf[38];
++
++ if (!access_ok(VERIFY_WRITE, buf, nbytes))
++ return -EFAULT;
++
++ mutex_lock(&file->f_dentry->d_inode->i_mutex);
++ list_for_each_entry_safe(req, tmp_req, queue, queue) {
++ len = snprintf(tmpbuf, sizeof(tmpbuf),
++ "%8p %08x %c%c%c %5d %c%c%c\n",
++ req->req.buf, req->req.length,
++ req->req.no_interrupt ? 'i' : 'I',
++ req->req.zero ? 'Z' : 'z',
++ req->req.short_not_ok ? 's' : 'S',
++ req->req.status,
++ req->submitted ? 'F' : 'f',
++ req->using_dma ? 'D' : 'd',
++ req->last_transaction ? 'L' : 'l');
++ len = min(len, sizeof(tmpbuf));
++ if (len > nbytes)
++ break;
++
++ list_del(&req->queue);
++ kfree(req);
++
++ remaining = __copy_to_user(buf, tmpbuf, len);
++ actual += len - remaining;
++ if (remaining)
++ break;
++
++ nbytes -= len;
++ buf += len;
++ }
++ mutex_unlock(&file->f_dentry->d_inode->i_mutex);
++
++ return actual;
++}
++
++static int queue_dbg_release(struct inode *inode, struct file *file)
++{
++ struct list_head *queue_data = file->private_data;
++ struct usba_request *req, *tmp_req;
++
++ list_for_each_entry_safe(req, tmp_req, queue_data, queue) {
++ list_del(&req->queue);
++ kfree(req);
++ }
++ kfree(queue_data);
++ return 0;
++}
++
++static int regs_dbg_open(struct inode *inode, struct file *file)
++{
++ struct usba_udc *udc;
++ unsigned int i;
++ u32 *data;
++ int ret = -ENOMEM;
++
++ mutex_lock(&inode->i_mutex);
++ udc = inode->i_private;
++ data = kmalloc(inode->i_size, GFP_KERNEL);
++ if (!data)
++ goto out;
++
++ spin_lock_irq(&udc->lock);
++ for (i = 0; i < inode->i_size / 4; i++)
++ data[i] = __raw_readl(udc->regs + i * 4);
++ spin_unlock_irq(&udc->lock);
++
++ file->private_data = data;
++ ret = 0;
++
++out:
++ mutex_unlock(&inode->i_mutex);
++
++ return ret;
++}
++
++static ssize_t regs_dbg_read(struct file *file, char __user *buf,
++ size_t nbytes, loff_t *ppos)
++{
++ struct inode *inode = file->f_dentry->d_inode;
++ int ret;
++
++ mutex_lock(&inode->i_mutex);
++ ret = simple_read_from_buffer(buf, nbytes, ppos,
++ file->private_data,
++ file->f_dentry->d_inode->i_size);
++ mutex_unlock(&inode->i_mutex);
++
++ return ret;
++}
++
++static int regs_dbg_release(struct inode *inode, struct file *file)
++{
++ kfree(file->private_data);
++ return 0;
++}
++
++const struct file_operations queue_dbg_fops = {
++ .owner = THIS_MODULE,
++ .open = queue_dbg_open,
++ .llseek = no_llseek,
++ .read = queue_dbg_read,
++ .release = queue_dbg_release,
++};
++
++const struct file_operations regs_dbg_fops = {
++ .owner = THIS_MODULE,
++ .open = regs_dbg_open,
++ .llseek = generic_file_llseek,
++ .read = regs_dbg_read,
++ .release = regs_dbg_release,
++};
++
++static void usba_ep_init_debugfs(struct usba_udc *udc,
++ struct usba_ep *ep)
++{
++ struct dentry *ep_root;
++
++ ep_root = debugfs_create_dir(ep_name(ep), udc->debugfs_root);
++ if (!ep_root)
++ goto err_root;
++ ep->debugfs_dir = ep_root;
++
++ ep->debugfs_queue = debugfs_create_file("queue", 0400, ep_root,
++ ep, &queue_dbg_fops);
++ if (!ep->debugfs_queue)
++ goto err_queue;
++
++ if (ep_can_dma(ep)) {
++ ep->debugfs_dma_status
++ = debugfs_create_u32("dma_status", 0400, ep_root,
++ &ep->last_dma_status);
++ if (!ep->debugfs_dma_status)
++ goto err_dma_status;
++ }
++ if (ep_is_control(ep)) {
++ ep->debugfs_state
++ = debugfs_create_u32("state", 0400, ep_root,
++ &ep->state);
++ if (!ep->debugfs_state)
++ goto err_state;
++ }
++
++ return;
++
++err_state:
++ if (ep_can_dma(ep))
++ debugfs_remove(ep->debugfs_dma_status);
++err_dma_status:
++ debugfs_remove(ep->debugfs_queue);
++err_queue:
++ debugfs_remove(ep_root);
++err_root:
++ dev_err(&ep->udc->pdev->dev,
++ "failed to create debugfs directory for %s\n", ep_name(ep));
++}
++
++static void usba_ep_cleanup_debugfs(struct usba_ep *ep)
++{
++ debugfs_remove(ep->debugfs_queue);
++ debugfs_remove(ep->debugfs_dma_status);
++ debugfs_remove(ep->debugfs_state);
++ debugfs_remove(ep->debugfs_dir);
++ ep->debugfs_dma_status = NULL;
++ ep->debugfs_dir = NULL;
++}
++
++static void usba_init_debugfs(struct usba_udc *udc)
++{
++ struct dentry *root, *regs;
++ struct resource *regs_resource;
++
++ root = debugfs_create_dir(udc->gadget.name, NULL);
++ if (IS_ERR(root) || !root)
++ goto err_root;
++ udc->debugfs_root = root;
++
++ regs = debugfs_create_file("regs", 0400, root, udc, ®s_dbg_fops);
++ if (!regs)
++ goto err_regs;
++
++ regs_resource = platform_get_resource(udc->pdev, IORESOURCE_MEM,
++ CTRL_IOMEM_ID);
++ regs->d_inode->i_size = regs_resource->end - regs_resource->start + 1;
++ udc->debugfs_regs = regs;
++
++ usba_ep_init_debugfs(udc, to_usba_ep(udc->gadget.ep0));
++
++ return;
++
++err_regs:
++ debugfs_remove(root);
++err_root:
++ udc->debugfs_root = NULL;
++ dev_err(&udc->pdev->dev, "debugfs is not available\n");
++}
++
++static void usba_cleanup_debugfs(struct usba_udc *udc)
++{
++ usba_ep_cleanup_debugfs(to_usba_ep(udc->gadget.ep0));
++ debugfs_remove(udc->debugfs_regs);
++ debugfs_remove(udc->debugfs_root);
++ udc->debugfs_regs = NULL;
++ udc->debugfs_root = NULL;
++}
++#else
++static inline void usba_ep_init_debugfs(struct usba_udc *udc,
++ struct usba_ep *ep)
++{
++
++}
++
++static inline void usba_ep_cleanup_debugfs(struct usba_ep *ep)
++{
++
++}
++
++static inline void usba_init_debugfs(struct usba_udc *udc)
++{
++
++}
++
++static inline void usba_cleanup_debugfs(struct usba_udc *udc)
++{
++
++}
++#endif
++
++static int vbus_is_present(struct usba_udc *udc)
++{
++ if (udc->vbus_pin != -1)
++ return gpio_get_value(udc->vbus_pin);
++
++ /* No Vbus detection: Assume always present */
++ return 1;
++}
++
++static void copy_to_fifo(void __iomem *fifo, const void *buf, int len)
++{
++ unsigned long tmp;
++
++ DBG(DBG_FIFO, "copy to FIFO (len %d):\n", len);
++ for (; len > 0; len -= 4, buf += 4, fifo += 4) {
++ tmp = *(unsigned long *)buf;
++ if (len >= 4) {
++ DBG(DBG_FIFO, " -> %08lx\n", tmp);
++ __raw_writel(tmp, fifo);
++ } else {
++ do {
++ DBG(DBG_FIFO, " -> %02lx\n", tmp >> 24);
++ __raw_writeb(tmp >> 24, fifo);
++ fifo++;
++ tmp <<= 8;
++ } while (--len);
++ break;
++ }
++ }
++}
++
++static void copy_from_fifo(void *buf, void __iomem *fifo, int len)
++{
++ union {
++ unsigned long *w;
++ unsigned char *b;
++ } p;
++ unsigned long tmp;
++
++ DBG(DBG_FIFO, "copy from FIFO (len %d):\n", len);
++ for (p.w = buf; len > 0; len -= 4, p.w++, fifo += 4) {
++ if (len >= 4) {
++ tmp = __raw_readl(fifo);
++ *p.w = tmp;
++ DBG(DBG_FIFO, " -> %08lx\n", tmp);
++ } else {
++ do {
++ tmp = __raw_readb(fifo);
++ *p.b = tmp;
++ DBG(DBG_FIFO, " -> %02lx\n", tmp);
++ fifo++, p.b++;
++ } while (--len);
++ }
++ }
++}
++
++static void next_fifo_transaction(struct usba_ep *ep,
++ struct usba_request *req)
++{
++ unsigned int transaction_len;
++
++ transaction_len = req->req.length - req->req.actual;
++ req->last_transaction = 1;
++ if (transaction_len > ep->ep.maxpacket) {
++ transaction_len = ep->ep.maxpacket;
++ req->last_transaction = 0;
++ } else if (transaction_len == ep->ep.maxpacket
++ && req->req.zero) {
++ req->last_transaction = 0;
++ }
++ DBG(DBG_QUEUE, "%s: submit_transaction, req %p (length %d)%s\n",
++ ep_name(ep), req, transaction_len,
++ req->last_transaction ? ", done" : "");
++
++ copy_to_fifo(ep->fifo, req->req.buf + req->req.actual, transaction_len);
++ usba_ep_writel(ep, SET_STA, USBA_BIT(TX_PK_RDY));
++ req->req.actual += transaction_len;
++}
++
++static void submit_request(struct usba_ep *ep, struct usba_request *req)
++{
++ DBG(DBG_QUEUE, "%s: submit_request: req %p (length %d)\n",
++ ep_name(ep), req, req->req.length);
++
++ req->req.actual = 0;
++ req->submitted = 1;
++
++ if (req->using_dma) {
++ if (req->req.length == 0) {
++ usba_ep_writel(ep, CTL_ENB, USBA_BIT(TX_PK_RDY));
++ return;
++ }
++
++ if (req->req.zero)
++ usba_ep_writel(ep, CTL_ENB, USBA_BIT(SHORT_PACKET));
++ else
++ usba_ep_writel(ep, CTL_DIS, USBA_BIT(SHORT_PACKET));
++
++ usba_dma_writel(ep, ADDRESS, req->req.dma);
++ usba_dma_writel(ep, CONTROL, req->ctrl);
++ } else {
++ next_fifo_transaction(ep, req);
++ if (req->last_transaction) {
++ usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_PK_RDY));
++ usba_ep_writel(ep, CTL_ENB, USBA_BIT(TX_COMPLETE));
++ } else {
++ usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_COMPLETE));
++ usba_ep_writel(ep, CTL_ENB, USBA_BIT(TX_PK_RDY));
++ }
++ }
++}
++
++static void submit_next_request(struct usba_ep *ep)
++{
++ struct usba_request *req;
++
++ if (list_empty(&ep->queue)) {
++ usba_ep_writel(ep, CTL_DIS, (USBA_BIT(TX_PK_RDY)
++ | USBA_BIT(RX_BK_RDY)));
++ return;
++ }
++
++ req = list_entry(ep->queue.next, struct usba_request, queue);
++ if (!req->submitted)
++ submit_request(ep, req);
++}
++
++static void send_status(struct usba_udc *udc, struct usba_ep *ep)
++{
++ ep->state = STATUS_STAGE_IN;
++ usba_ep_writel(ep, SET_STA, USBA_BIT(TX_PK_RDY));
++ usba_ep_writel(ep, CTL_ENB, USBA_BIT(TX_COMPLETE));
++}
++
++static void receive_data(struct usba_ep *ep)
++{
++ struct usba_udc *udc = ep->udc;
++ struct usba_request *req;
++ unsigned long status;
++ unsigned int bytecount, nr_busy;
++ int is_complete = 0;
++
++ status = usba_ep_readl(ep, STA);
++ nr_busy = USBA_BFEXT(BUSY_BANKS, status);
++
++ DBG(DBG_QUEUE, "receive data: nr_busy=%u\n", nr_busy);
++
++ while (nr_busy > 0) {
++ if (list_empty(&ep->queue)) {
++ usba_ep_writel(ep, CTL_DIS, USBA_BIT(RX_BK_RDY));
++ break;
++ }
++ req = list_entry(ep->queue.next,
++ struct usba_request, queue);
++
++ bytecount = USBA_BFEXT(BYTE_COUNT, status);
++
++ if (status & (1 << 31))
++ is_complete = 1;
++ if (req->req.actual + bytecount >= req->req.length) {
++ is_complete = 1;
++ bytecount = req->req.length - req->req.actual;
++ }
++
++ copy_from_fifo(req->req.buf + req->req.actual,
++ ep->fifo, bytecount);
++ req->req.actual += bytecount;
++
++ usba_ep_writel(ep, CLR_STA, USBA_BIT(RX_BK_RDY));
++
++ if (is_complete) {
++ DBG(DBG_QUEUE, "%s: request done\n", ep_name(ep));
++ req->req.status = 0;
++ list_del_init(&req->queue);
++ usba_ep_writel(ep, CTL_DIS, USBA_BIT(RX_BK_RDY));
++ req->req.complete(&ep->ep, &req->req);
++ }
++
++ status = usba_ep_readl(ep, STA);
++ nr_busy = USBA_BFEXT(BUSY_BANKS, status);
++
++ if (is_complete && ep_is_control(ep)) {
++ send_status(udc, ep);
++ break;
++ }
++ }
++}
++
++static void request_complete(struct usba_ep *ep,
++ struct usba_request *req,
++ int status)
++{
++ struct usba_udc *udc = ep->udc;
++
++ WARN_ON(!list_empty(&req->queue));
++
++ if (req->req.status == -EINPROGRESS)
++ req->req.status = status;
++
++ if (req->mapped) {
++ dma_unmap_single(
++ &udc->pdev->dev, req->req.dma, req->req.length,
++ ep_is_in(ep) ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
++ req->req.dma = DMA_ADDR_INVALID;
++ req->mapped = 0;
++ }
++
++ DBG(DBG_GADGET | DBG_REQ,
++ "%s: req %p complete: status %d, actual %u\n",
++ ep_name(ep), req, req->req.status, req->req.actual);
++ req->req.complete(&ep->ep, &req->req);
++}
++
++static void request_complete_list(struct usba_ep *ep,
++ struct list_head *list,
++ int status)
++{
++ struct usba_request *req, *tmp_req;
++
++ list_for_each_entry_safe(req, tmp_req, list, queue) {
++ list_del_init(&req->queue);
++ request_complete(ep, req, status);
++ }
++}
++
++static int usba_ep_enable(struct usb_ep *_ep,
++ const struct usb_endpoint_descriptor *desc)
++{
++ struct usba_ep *ep = to_usba_ep(_ep);
++ struct usba_udc *udc = ep->udc;
++ unsigned long flags, ept_cfg, maxpacket;
++
++ DBG(DBG_GADGET, "%s: ep_enable: desc=%p\n", ep_name(ep), desc);
++
++ maxpacket = le16_to_cpu(desc->wMaxPacketSize);
++
++ if (ep->index == 0
++ || desc->bDescriptorType != USB_DT_ENDPOINT
++ || ((desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK)
++ != ep->index)
++ || maxpacket == 0
++ || maxpacket > ep->fifo_size) {
++ DBG(DBG_ERR, "ep_enable: Invalid argument");
++ return -EINVAL;
++ }
++
++ ep->is_isoc = 0;
++ ep->is_in = 0;
++
++ if ((desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
++ == USB_ENDPOINT_XFER_ISOC) {
++ if (!ep->can_isoc) {
++ DBG(DBG_ERR, "ep_enable: %s is not isoc capable\n",
++ ep_name(ep));
++ return -EINVAL;
++ }
++ ep->is_isoc = 1;
++ }
++
++ if (maxpacket <= 8)
++ ept_cfg = USBA_BF(EPT_SIZE, USBA_EPT_SIZE_8);
++ else
++ /* LSB is bit 1, not 0 */
++ ept_cfg = USBA_BF(EPT_SIZE, fls(maxpacket - 1) - 3);
++ DBG(DBG_HW, "%s: EPT_SIZE = %lu (maxpacket = %lu)\n",
++ ep_name(ep), ept_cfg, maxpacket);
++
++ if ((desc->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) {
++ ep->is_in = 1;
++ ept_cfg |= USBA_BIT(EPT_DIR);
++ }
++
++ switch (desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) {
++ case USB_ENDPOINT_XFER_CONTROL:
++ ept_cfg |= USBA_BF(EPT_TYPE, USBA_EPT_TYPE_CONTROL);
++ break;
++ case USB_ENDPOINT_XFER_ISOC:
++ ept_cfg |= USBA_BF(EPT_TYPE, USBA_EPT_TYPE_ISO);
++ break;
++ case USB_ENDPOINT_XFER_BULK:
++ ept_cfg |= USBA_BF(EPT_TYPE, USBA_EPT_TYPE_BULK);
++ break;
++ case USB_ENDPOINT_XFER_INT:
++ ept_cfg |= USBA_BF(EPT_TYPE, USBA_EPT_TYPE_INT);
++ break;
++ }
++ ept_cfg |= USBA_BF(BK_NUMBER, ep->nr_banks);
++
++ spin_lock_irqsave(&ep->udc->lock, flags);
++
++ if (ep->desc) {
++ spin_unlock_irqrestore(&ep->udc->lock, flags);
++ DBG(DBG_ERR, "ep%d already enabled\n", ep->index);
++ return -EBUSY;
++ }
++
++ ep->desc = desc;
++ ep->ep.maxpacket = maxpacket;
++
++ usba_ep_writel(ep, CFG, ept_cfg);
++ usba_ep_writel(ep, CTL_ENB, USBA_BIT(EPT_ENABLE));
++
++ if (ep_can_dma(ep)) {
++ u32 ctrl;
++
++ usba_writel(udc, INT_ENB,
++ (usba_readl(udc, INT_ENB)
++ | USBA_BF(EPT_INT, 1 << ep->index)
++ | USBA_BF(DMA_INT, 1 << ep->index)));
++ ctrl = USBA_BIT(AUTO_VALID) | USBA_BIT(INTDIS_DMA);
++ usba_ep_writel(ep, CTL_ENB, ctrl);
++ } else {
++ usba_writel(udc, INT_ENB,
++ (usba_readl(udc, INT_ENB)
++ | USBA_BF(EPT_INT, 1 << ep->index)));
++ }
++
++ spin_unlock_irqrestore(&udc->lock, flags);
++
++ DBG(DBG_HW, "EPT_CFG%d after init: %#08lx\n", ep->index,
++ (unsigned long)usba_ep_readl(ep, CFG));
++ DBG(DBG_HW, "INT_ENB after init: %#08lx\n",
++ (unsigned long)usba_readl(udc, INT_ENB));
++
++ return 0;
++}
++
++static int usba_ep_disable(struct usb_ep *_ep)
++{
++ struct usba_ep *ep = to_usba_ep(_ep);
++ struct usba_udc *udc = ep->udc;
++ LIST_HEAD(req_list);
++ unsigned long flags;
++
++ DBG(DBG_GADGET, "ep_disable: %s\n", ep_name(ep));
++
++ spin_lock_irqsave(&udc->lock, flags);
++
++ if (!ep->desc) {
++ spin_unlock_irqrestore(&udc->lock, flags);
++ DBG(DBG_ERR, "ep_disable: %s not enabled\n",
++ ep_name(ep));
++ return -EINVAL;
++ }
++ ep->desc = NULL;
++
++ list_splice_init(&ep->queue, &req_list);
++ if (ep_can_dma(ep)) {
++ usba_dma_writel(ep, CONTROL, 0);
++ usba_dma_writel(ep, ADDRESS, 0);
++ usba_dma_readl(ep, STATUS);
++ }
++ usba_ep_writel(ep, CTL_DIS, USBA_BIT(EPT_ENABLE));
++ usba_writel(udc, INT_ENB, (usba_readl(udc, INT_ENB)
++ & ~USBA_BF(EPT_INT, 1 << ep->index)));
++
++ spin_unlock_irqrestore(&udc->lock, flags);
++
++ request_complete_list(ep, &req_list, -ESHUTDOWN);
++
++ return 0;
++}
++
++static struct usb_request *
++usba_ep_alloc_request(struct usb_ep *_ep, unsigned gfp_flags)
++{
++ struct usba_request *req;
++
++ DBG(DBG_GADGET, "ep_alloc_request: %p, 0x%x\n", _ep, gfp_flags);
++
++ req = kzalloc(sizeof(*req), gfp_flags);
++ if (!req)
++ return NULL;
++
++ INIT_LIST_HEAD(&req->queue);
++ req->req.dma = DMA_ADDR_INVALID;
++
++ return &req->req;
++}
++
++static void
++usba_ep_free_request(struct usb_ep *_ep, struct usb_request *_req)
++{
++ struct usba_request *req = to_usba_req(_req);
++
++ DBG(DBG_GADGET, "ep_free_request: %p, %p\n", _ep, _req);
++
++ kfree(req);
++}
++
++static void *usba_ep_alloc_buffer(struct usb_ep *_ep, unsigned bytes,
++ dma_addr_t *dma, unsigned gfp_flags)
++{
++ void *buf;
++
++ if (bytes < L1_CACHE_BYTES)
++ bytes = L1_CACHE_BYTES;
++
++ buf = kmalloc(bytes, gfp_flags);
++
++ /*
++ * Seems like we have to map the buffer any chance we get.
++ * ether.c wants us to initialize the dma member of a
++ * different request than the one receiving the buffer, so one
++ * never knows...
++ *
++ * Ah, screw it. The ether driver is probably wrong, and this
++ * is not the right place to do the mapping. The driver
++ * shouldn't mess with our DMA mappings anyway.
++ */
++ *dma = DMA_ADDR_INVALID;
++
++ return buf;
++}
++
++static void usba_ep_free_buffer(struct usb_ep *_ep, void *buf,
++ dma_addr_t dma, unsigned bytes)
++{
++ DBG(DBG_GADGET, "ep_free_buffer: %s, buf %p (size %u)\n",
++ _ep->name, buf, bytes);
++ kfree(buf);
++}
++
++static int queue_dma(struct usba_udc *udc, struct usba_ep *ep,
++ struct usba_request *req, gfp_t gfp_flags)
++{
++ unsigned long flags;
++ int ret;
++
++ DBG(DBG_DMA, "%s: req l/%u d/%08x %c%c%c\n",
++ ep_name(ep), req->req.length, req->req.dma,
++ req->req.zero ? 'Z' : 'z',
++ req->req.short_not_ok ? 'S' : 's',
++ req->req.no_interrupt ? 'I' : 'i');
++
++ if (req->req.length > 0x10000) {
++ /* Lengths from 0 to 65536 (inclusive) are supported */
++ DBG(DBG_ERR, "invalid request length %u\n", req->req.length);
++ return -EINVAL;
++ }
++
++ req->using_dma = 1;
++
++ if (req->req.dma == DMA_ADDR_INVALID) {
++ req->req.dma = dma_map_single(
++ &udc->pdev->dev, req->req.buf, req->req.length,
++ ep_is_in(ep) ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
++ req->mapped = 1;
++ } else {
++ dma_sync_single_for_device(
++ &udc->pdev->dev, req->req.dma, req->req.length,
++ ep_is_in(ep) ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
++ req->mapped = 0;
++ }
++
++ req->ctrl = (USBA_BF(DMA_BUF_LEN, req->req.length)
++ | USBA_BIT(DMA_CH_EN) | USBA_BIT(DMA_END_BUF_IE)
++ | USBA_BIT(DMA_END_TR_EN) | USBA_BIT(DMA_END_TR_IE));
++
++ if (ep_is_in(ep))
++ req->ctrl |= USBA_BIT(DMA_END_BUF_EN);
++
++ /*
++ * Add this request to the queue and submit for DMA if
++ * possible. Check if we're still alive first -- we may have
++ * received a reset since last time we checked.
++ */
++ ret = -ESHUTDOWN;
++ spin_lock_irqsave(&udc->lock, flags);
++ if (ep->desc) {
++ if (list_empty(&ep->queue))
++ submit_request(ep, req);
++
++ list_add_tail(&req->queue, &ep->queue);
++ ret = 0;
++ }
++ spin_unlock_irqrestore(&udc->lock, flags);
++
++ return ret;
++}
++
++static int usba_ep_queue(struct usb_ep *_ep, struct usb_request *_req,
++ gfp_t gfp_flags)
++{
++ struct usba_request *req = to_usba_req(_req);
++ struct usba_ep *ep = to_usba_ep(_ep);
++ struct usba_udc *udc = ep->udc;
++ unsigned long flags;
++ int ret;
++
++ DBG(DBG_GADGET | DBG_QUEUE | DBG_REQ,
++ "%s: queue req %p, len %u\n", ep_name(ep), req, _req->length);
++
++ if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN
++ || !ep->desc)
++ return -ESHUTDOWN;
++
++ req->submitted = 0;
++ req->using_dma = 0;
++ req->last_transaction = 0;
++
++ _req->status = -EINPROGRESS;
++ _req->actual = 0;
++
++ if (ep_can_dma(ep))
++ return queue_dma(udc, ep, req, gfp_flags);
++
++ /* May have received a reset since last time we checked */
++ ret = -ESHUTDOWN;
++ spin_lock_irqsave(&udc->lock, flags);
++ if (ep->desc) {
++ list_add_tail(&req->queue, &ep->queue);
++
++ if (ep_is_in(ep)
++ || (ep_is_control(ep)
++ && (ep->state == DATA_STAGE_IN
++ || ep->state == STATUS_STAGE_IN)))
++ usba_ep_writel(ep, CTL_ENB, USBA_BIT(TX_PK_RDY));
++ else
++ usba_ep_writel(ep, CTL_ENB, USBA_BIT(RX_BK_RDY));
++ ret = 0;
++ }
++ spin_unlock_irqrestore(&udc->lock, flags);
++
++ return ret;
++}
++
++static void usba_update_req(struct usba_ep *ep, struct usba_request *req,
++ u32 status)
++{
++ req->req.actual = req->req.length - USBA_BFEXT(DMA_BUF_LEN, status);
++}
++
++static int stop_dma(struct usba_ep *ep, u32 *pstatus)
++{
++ unsigned int timeout;
++ u32 status;
++
++ /*
++ * Stop the DMA controller. When writing both CH_EN
++ * and LINK to 0, the other bits are not affected.
++ */
++ usba_dma_writel(ep, CONTROL, 0);
++
++ /* Wait for the FIFO to empty */
++ for (timeout = 40; timeout; --timeout) {
++ status = usba_dma_readl(ep, STATUS);
++ if (!(status & USBA_BIT(DMA_CH_EN)))
++ break;
++ udelay(1);
++ }
++
++ if (pstatus)
++ *pstatus = status;
++
++ if (timeout == 0) {
++ dev_err(&ep->udc->pdev->dev,
++ "%s: timed out waiting for DMA FIFO to empty\n",
++ ep_name(ep));
++ return -ETIMEDOUT;
++ }
++
++ return 0;
++}
++
++static int usba_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req)
++{
++ struct usba_ep *ep = to_usba_ep(_ep);
++ struct usba_udc *udc = ep->udc;
++ struct usba_request *req = to_usba_req(_req);
++ unsigned long flags;
++ u32 status;
++
++ DBG(DBG_GADGET | DBG_QUEUE, "ep_dequeue: %s, req %p\n",
++ ep_name(ep), req);
++
++ spin_lock_irqsave(&udc->lock, flags);
++
++ if (req->using_dma) {
++ /*
++ * If this request is currently being transferred,
++ * stop the DMA controller and reset the FIFO.
++ */
++ if (ep->queue.next == &req->queue) {
++ status = usba_dma_readl(ep, STATUS);
++ if (status & USBA_BIT(DMA_CH_EN))
++ stop_dma(ep, &status);
++
++#ifdef CONFIG_DEBUG_FS
++ ep->last_dma_status = status;
++#endif
++
++ usba_writel(udc, EPT_RST,
++ 1 << ep_index(ep));
++
++ usba_update_req(ep, req, status);
++ }
++ }
++
++ /*
++ * Errors should stop the queue from advancing until the
++ * completion function returns.
++ */
++ list_del_init(&req->queue);
++ spin_unlock_irqrestore(&udc->lock, flags);
++
++ request_complete(ep, req, -ECONNRESET);
++
++ /* Process the next request if any */
++ spin_lock_irqsave(&udc->lock, flags);
++ submit_next_request(ep);
++ spin_unlock_irqrestore(&udc->lock, flags);
++
++ return 0;
++}
++
++static int usba_ep_set_halt(struct usb_ep *_ep, int value)
++{
++ struct usba_ep *ep = to_usba_ep(_ep);
++ struct usba_udc *udc = ep->udc;
++ unsigned long flags;
++ int ret = 0;
++
++ DBG(DBG_GADGET, "endpoint %s: %s HALT\n", ep_name(ep),
++ value ? "set" : "clear");
++
++ if (!ep->desc) {
++ DBG(DBG_ERR, "Attempted to halt uninitialized ep %s\n",
++ ep_name(ep));
++ return -ENODEV;
++ }
++ if (ep_is_isochronous(ep)) {
++ DBG(DBG_ERR, "Attempted to halt isochronous ep %s\n",
++ ep_name(ep));
++ return -ENOTTY;
++ }
++
++ spin_lock_irqsave(&udc->lock, flags);
++
++ /*
++ * We can't halt IN endpoints while there are still data to be
++ * transferred
++ */
++ if (!list_empty(&ep->queue)
++ || ((value && ep_is_in(ep)
++ && (usba_ep_readl(ep, STA)
++ & USBA_BF(BUSY_BANKS, -1L))))) {
++ ret = -EAGAIN;
++ } else {
++ if (value)
++ usba_ep_writel(ep, SET_STA, USBA_BIT(FORCE_STALL));
++ else
++ usba_ep_writel(ep, CLR_STA, (USBA_BIT(FORCE_STALL)
++ | USBA_BIT(TOGGLE_SEQ)));
++ usba_ep_readl(ep, STA);
++ }
++
++ spin_unlock_irqrestore(&udc->lock, flags);
++
++ return ret;
++}
++
++static int usba_ep_fifo_status(struct usb_ep *_ep)
++{
++ struct usba_ep *ep = to_usba_ep(_ep);
++
++ return USBA_BFEXT(BYTE_COUNT, usba_ep_readl(ep, STA));
++}
++
++static void usba_ep_fifo_flush(struct usb_ep *_ep)
++{
++ struct usba_ep *ep = to_usba_ep(_ep);
++ struct usba_udc *udc = ep->udc;
++
++ usba_writel(udc, EPT_RST, 1 << ep->index);
++}
++
++struct usb_ep_ops usba_ep_ops = {
++ .enable = usba_ep_enable,
++ .disable = usba_ep_disable,
++ .alloc_request = usba_ep_alloc_request,
++ .free_request = usba_ep_free_request,
++ .alloc_buffer = usba_ep_alloc_buffer,
++ .free_buffer = usba_ep_free_buffer,
++ .queue = usba_ep_queue,
++ .dequeue = usba_ep_dequeue,
++ .set_halt = usba_ep_set_halt,
++ .fifo_status = usba_ep_fifo_status,
++ .fifo_flush = usba_ep_fifo_flush,
++};
++
++static int usba_udc_get_frame(struct usb_gadget *gadget)
++{
++ struct usba_udc *udc = to_usba_udc(gadget);
++
++ return USBA_BFEXT(FRAME_NUMBER, usba_readl(udc, FNUM));
++}
++
++struct usb_gadget_ops usba_udc_ops = {
++ .get_frame = usba_udc_get_frame,
++};
++
++#define EP(nam, type, idx, dma, isoc) \
++{ \
++ .ep = { \
++ .ops = &usba_ep_ops, \
++ .name = nam, \
++ .maxpacket = type##_FIFO_SIZE, \
++ }, \
++ .udc = &the_udc, \
++ .queue = LIST_HEAD_INIT(usba_ep[idx].queue), \
++ .fifo_size = type##_FIFO_SIZE, \
++ .nr_banks = type##_NR_BANKS, \
++ .index = idx, \
++ .can_dma = dma, \
++ .can_isoc = isoc, \
++}
++
++static struct usba_ep usba_ep[] = {
++ EP("ep0", EP0, 0, 0, 0),
++ EP("ep1in-bulk", BULK, 1, 1, 0),
++ EP("ep2out-bulk", BULK, 2, 1, 0),
++ EP("ep3in-iso", ISO, 3, 1, 1),
++ EP("ep4out-iso", ISO, 4, 1, 1),
++ EP("ep5in-int", INT, 5, 1, 0),
++ EP("ep6out-int", INT, 6, 1, 0),
++};
++#undef EP
++
++static struct usb_endpoint_descriptor usba_ep0_desc = {
++ .bLength = USB_DT_ENDPOINT_SIZE,
++ .bDescriptorType = USB_DT_ENDPOINT,
++ .bEndpointAddress = 0,
++ .bmAttributes = USB_ENDPOINT_XFER_CONTROL,
++ .wMaxPacketSize = __constant_cpu_to_le16(64),
++ /* FIXME: I have no idea what to put here */
++ .bInterval = 1,
++};
++
++static void nop_release(struct device *dev)
++{
++
++}
++
++static struct usba_udc the_udc = {
++ .gadget = {
++ .ops = &usba_udc_ops,
++ .ep0 = &usba_ep[0].ep,
++ .ep_list = LIST_HEAD_INIT(the_udc.gadget.ep_list),
++ .is_dualspeed = 1,
++ .name = "atmel_usba_udc",
++ .dev = {
++ .bus_id = "gadget",
++ .release = nop_release,
++ },
++ },
++
++ .lock = SPIN_LOCK_UNLOCKED,
++};
++
++/*
++ * Called with interrupts disabled and udc->lock held.
++ */
++static void reset_all_endpoints(struct usba_udc *udc)
++{
++ struct usba_ep *ep;
++ struct usba_request *req, *tmp_req;
++
++ usba_writel(udc, EPT_RST, ~0UL);
++
++ ep = to_usba_ep(udc->gadget.ep0);
++ list_for_each_entry_safe(req, tmp_req, &ep->queue, queue) {
++ list_del_init(&req->queue);
++ request_complete(ep, req, -ECONNRESET);
++ }
++
++ list_for_each_entry(ep, &udc->gadget.ep_list, ep.ep_list) {
++ if (ep->desc)
++ usba_ep_disable(&ep->ep);
++ }
++}
++
++static struct usba_ep *get_ep_by_addr(struct usba_udc *udc, u16 wIndex)
++{
++ struct usba_ep *ep;
++
++ if ((wIndex & USB_ENDPOINT_NUMBER_MASK) == 0)
++ return to_usba_ep(udc->gadget.ep0);
++
++ list_for_each_entry (ep, &udc->gadget.ep_list, ep.ep_list) {
++ u8 bEndpointAddress;
++
++ if (!ep->desc)
++ continue;
++ bEndpointAddress = ep->desc->bEndpointAddress;
++ if ((wIndex ^ bEndpointAddress) & USB_DIR_IN)
++ continue;
++ if ((wIndex & USB_ENDPOINT_NUMBER_MASK)
++ == (bEndpointAddress & USB_ENDPOINT_NUMBER_MASK))
++ return ep;
++ }
++
++ return NULL;
++}
++
++/* Called with interrupts disabled and udc->lock held */
++static inline void set_protocol_stall(struct usba_udc *udc,
++ struct usba_ep *ep)
++{
++ usba_ep_writel(ep, SET_STA, USBA_BIT(FORCE_STALL));
++ ep->state = WAIT_FOR_SETUP;
++}
++
++static inline int is_stalled(struct usba_udc *udc, struct usba_ep *ep)
++{
++ if (usba_ep_readl(ep, STA) & USBA_BIT(FORCE_STALL))
++ return 1;
++ return 0;
++}
++
++static inline void set_address(struct usba_udc *udc, unsigned int addr)
++{
++ u32 regval;
++
++ DBG(DBG_BUS, "setting address %u...\n", addr);
++ regval = usba_readl(udc, CTRL);
++ regval = USBA_BFINS(DEV_ADDR, addr, regval);
++ usba_writel(udc, CTRL, regval);
++}
++
++static int do_test_mode(struct usba_udc *udc)
++{
++ static const char test_packet_buffer[] = {
++ /* JKJKJKJK * 9 */
++ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
++ /* JJKKJJKK * 8 */
++ 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
++ /* JJKKJJKK * 8 */
++ 0xEE, 0xEE, 0xEE, 0xEE, 0xEE, 0xEE, 0xEE, 0xEE,
++ /* JJJJJJJKKKKKKK * 8 */
++ 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
++ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
++ /* JJJJJJJK * 8 */
++ 0x7F, 0xBF, 0xDF, 0xEF, 0xF7, 0xFB, 0xFD,
++ /* {JKKKKKKK * 10}, JK */
++ 0xFC, 0x7E, 0xBF, 0xDF, 0xEF, 0xF7, 0xFB, 0xFD, 0x7E
++ };
++ struct device *dev = &udc->pdev->dev;
++ struct usba_ep *ep;
++ int test_mode;
++
++ test_mode = udc->test_mode;
++
++ /* Start from a clean slate */
++ reset_all_endpoints(udc);
++
++ switch (test_mode) {
++ case 0x0100:
++ /* Test_J */
++ usba_writel(udc, TST, USBA_BIT(TST_J_MODE));
++ dev_info(dev, "Entering Test_J mode...\n");
++ break;
++ case 0x0200:
++ /* Test_K */
++ usba_writel(udc, TST, USBA_BIT(TST_K_MODE));
++ dev_info(dev, "Entering Test_K mode...\n");
++ break;
++ case 0x0300:
++ /*
++ * Test_SE0_NAK: Force high-speed mode and set up ep0
++ * for Bulk IN transfers
++ */
++ ep = &usba_ep[0];
++ usba_writel(udc, TST,
++ USBA_BF(SPEED_CFG, USBA_SPEED_CFG_FORCE_HIGH));
++ usba_ep_writel(ep, CFG,
++ USBA_BF(EPT_SIZE, USBA_EPT_SIZE_64)
++ | USBA_BIT(EPT_DIR)
++ | USBA_BF(EPT_TYPE, USBA_EPT_TYPE_BULK)
++ | USBA_BF(BK_NUMBER, 1));
++ if (!(usba_ep_readl(ep, CFG) & USBA_BIT(EPT_MAPPED))) {
++ set_protocol_stall(udc, ep);
++ dev_err(dev, "Test_SE0_NAK: ep0 not mapped\n");
++ } else {
++ usba_ep_writel(ep, CTL_ENB, USBA_BIT(EPT_ENABLE));
++ dev_info(dev, "Entering Test_SE0_NAK mode...\n");
++ }
++ break;
++ case 0x0400:
++ /* Test_Packet */
++ ep = &usba_ep[0];
++ usba_ep_writel(ep, CFG,
++ USBA_BF(EPT_SIZE, USBA_EPT_SIZE_64)
++ | USBA_BIT(EPT_DIR)
++ | USBA_BF(EPT_TYPE, USBA_EPT_TYPE_BULK)
++ | USBA_BF(BK_NUMBER, 1));
++ if (!(usba_ep_readl(ep, CFG) & USBA_BIT(EPT_MAPPED))) {
++ set_protocol_stall(udc, ep);
++ dev_err(dev, "Test_Packet: ep0 not mapped\n");
++ } else {
++ usba_ep_writel(ep, CTL_ENB, USBA_BIT(EPT_ENABLE));
++ usba_writel(udc, TST, USBA_BIT(TST_PKT_MODE));
++ copy_to_fifo(ep->fifo, test_packet_buffer,
++ sizeof(test_packet_buffer));
++ usba_ep_writel(ep, SET_STA, USBA_BIT(TX_PK_RDY));
++ dev_info(dev, "Entering Test_Packet mode...\n");
++ }
++ break;
++ default:
++ dev_err(dev, "Invalid test mode: 0x%04x\n", test_mode);
++ return -EINVAL;
++ }
++
++ return 0;
++}
++
++/* Avoid overly long expressions */
++static inline bool feature_is_dev_remote_wakeup(struct usb_ctrlrequest *crq)
++{
++ if (crq->wValue == __constant_cpu_to_le16(USB_DEVICE_REMOTE_WAKEUP))
++ return true;
++ return false;
++}
++
++static inline bool feature_is_dev_test_mode(struct usb_ctrlrequest *crq)
++{
++ if (crq->wValue == __constant_cpu_to_le16(USB_DEVICE_TEST_MODE))
++ return true;
++ return false;
++}
++
++static inline bool feature_is_ep_halt(struct usb_ctrlrequest *crq)
++{
++ if (crq->wValue == __constant_cpu_to_le16(USB_ENDPOINT_HALT))
++ return true;
++ return false;
++}
++
++static int handle_ep0_setup(struct usba_udc *udc, struct usba_ep *ep,
++ struct usb_ctrlrequest *crq)
++{
++ switch (crq->bRequest) {
++ case USB_REQ_GET_STATUS: {
++ u16 status;
++
++ if (crq->bRequestType == (USB_DIR_IN | USB_RECIP_DEVICE)) {
++ /* Self-powered, no remote wakeup */
++ status = __constant_cpu_to_le16(1 << 0);
++ } else if (crq->bRequestType
++ == (USB_DIR_IN | USB_RECIP_INTERFACE)) {
++ status = __constant_cpu_to_le16(0);
++ } else if (crq->bRequestType
++ == (USB_DIR_IN | USB_RECIP_ENDPOINT)) {
++ struct usba_ep *target;
++
++ target = get_ep_by_addr(udc, le16_to_cpu(crq->wIndex));
++ if (!target)
++ goto stall;
++
++ status = 0;
++ if (is_stalled(udc, target))
++ status |= __constant_cpu_to_le16(1);
++ } else {
++ goto delegate;
++ }
++
++ /* Write directly to the FIFO. No queueing is done. */
++ if (crq->wLength != __constant_cpu_to_le16(sizeof(status)))
++ goto stall;
++ ep->state = DATA_STAGE_IN;
++ __raw_writew(status, ep->fifo);
++ usba_ep_writel(ep, SET_STA, USBA_BIT(TX_PK_RDY));
++ break;
++ }
++
++ case USB_REQ_CLEAR_FEATURE: {
++ if (crq->bRequestType == USB_RECIP_DEVICE) {
++ if (feature_is_dev_remote_wakeup(crq)) {
++ /* TODO: Handle REMOTE_WAKEUP */
++ } else {
++ /* Can't CLEAR_FEATURE TEST_MODE */
++ goto stall;
++ }
++ } else if (crq->bRequestType == USB_RECIP_ENDPOINT) {
++ struct usba_ep *target;
++
++ if (!feature_is_ep_halt(crq)
++ || crq->wLength != __constant_cpu_to_le16(0))
++ goto stall;
++ target = get_ep_by_addr(udc, le16_to_cpu(crq->wIndex));
++ if (!target)
++ goto stall;
++
++ usba_ep_writel(target, CLR_STA,
++ (USBA_BIT(FORCE_STALL)
++ | USBA_BIT(TOGGLE_SEQ)));
++ } else {
++ goto delegate;
++ }
++
++ send_status(udc, ep);
++ break;
++ }
++
++ case USB_REQ_SET_FEATURE: {
++ if (crq->bRequestType == USB_RECIP_DEVICE) {
++ if (feature_is_dev_test_mode(crq)) {
++ send_status(udc, ep);
++ ep->state = STATUS_STAGE_TEST;
++ udc->test_mode = le16_to_cpu(crq->wIndex);
++ return 0;
++ } else if (feature_is_dev_remote_wakeup(crq)) {
++ /* TODO: Handle REMOTE_WAKEUP */
++ } else {
++ goto stall;
++ }
++ } else if (crq->bRequestType == USB_RECIP_ENDPOINT) {
++ struct usba_ep *target;
++
++ if (!feature_is_ep_halt(crq)
++ || crq->wLength != __constant_cpu_to_le16(0))
++ goto stall;
++
++ target = get_ep_by_addr(udc, le16_to_cpu(crq->wIndex));
++ if (!target)
++ goto stall;
++
++ usba_ep_writel(target, SET_STA, USBA_BIT(FORCE_STALL));
++ } else
++ goto delegate;
++
++ send_status(udc, ep);
++ break;
++ }
++
++ case USB_REQ_SET_ADDRESS:
++ if (crq->bRequestType != (USB_DIR_OUT | USB_RECIP_DEVICE))
++ goto delegate;
++
++ set_address(udc, le16_to_cpu(crq->wValue));
++ send_status(udc, ep);
++ ep->state = STATUS_STAGE_ADDR;
++ break;
++
++ default:
++delegate:
++ return udc->driver->setup(&udc->gadget, crq);
++ }
++
++ return 0;
++
++stall:
++ printk(KERN_ERR
++ "udc: %s: Invalid setup request: %02x.%02x v%04x i%04x l%d, "
++ "halting endpoint...\n",
++ ep_name(ep), crq->bRequestType, crq->bRequest,
++ le16_to_cpu(crq->wValue), le16_to_cpu(crq->wIndex),
++ le16_to_cpu(crq->wLength));
++ set_protocol_stall(udc, ep);
++ return -1;
++}
++
++static void usba_control_irq(struct usba_udc *udc, struct usba_ep *ep)
++{
++ struct usba_request *req;
++ u32 epstatus;
++ u32 epctrl;
++
++restart:
++ epstatus = usba_ep_readl(ep, STA);
++ epctrl = usba_ep_readl(ep, CTL);
++
++ DBG(DBG_INT, "%s [%d]: s/%08x c/%08x\n",
++ ep_name(ep), ep->state, epstatus, epctrl);
++
++ req = NULL;
++ if (!list_empty(&ep->queue))
++ req = list_entry(ep->queue.next,
++ struct usba_request, queue);
++
++ if ((epctrl & USBA_BIT(TX_PK_RDY))
++ && !(epstatus & USBA_BIT(TX_PK_RDY))) {
++ if (req->submitted)
++ next_fifo_transaction(ep, req);
++ else
++ submit_request(ep, req);
++
++ if (req->last_transaction) {
++ usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_PK_RDY));
++ usba_ep_writel(ep, CTL_ENB, USBA_BIT(TX_COMPLETE));
++ }
++ goto restart;
++ }
++ if ((epstatus & epctrl) & USBA_BIT(TX_COMPLETE)) {
++ usba_ep_writel(ep, CLR_STA, USBA_BIT(TX_COMPLETE));
++
++ switch (ep->state) {
++ case DATA_STAGE_IN:
++ usba_ep_writel(ep, CTL_ENB, USBA_BIT(RX_BK_RDY));
++ usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_COMPLETE));
++ ep->state = STATUS_STAGE_OUT;
++ break;
++ case STATUS_STAGE_ADDR:
++ /* Activate our new address */
++ usba_writel(udc, CTRL, (usba_readl(udc, CTRL)
++ | USBA_BIT(FADDR_EN)));
++ usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_COMPLETE));
++ ep->state = WAIT_FOR_SETUP;
++ break;
++ case STATUS_STAGE_IN:
++ if (req) {
++ list_del_init(&req->queue);
++ request_complete(ep, req, 0);
++ submit_next_request(ep);
++ }
++ usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_COMPLETE));
++ ep->state = WAIT_FOR_SETUP;
++ break;
++ case STATUS_STAGE_TEST:
++ usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_COMPLETE));
++ ep->state = WAIT_FOR_SETUP;
++ if (do_test_mode(udc))
++ set_protocol_stall(udc, ep);
++ break;
++ default:
++ printk(KERN_ERR
++ "udc: %s: TXCOMP: Invalid endpoint state %d, "
++ "halting endpoint...\n",
++ ep_name(ep), ep->state);
++ set_protocol_stall(udc, ep);
++ break;
++ }
++
++ goto restart;
++ }
++ if ((epstatus & epctrl) & USBA_BIT(RX_BK_RDY)) {
++ switch (ep->state) {
++ case STATUS_STAGE_OUT:
++ usba_ep_writel(ep, CLR_STA, USBA_BIT(RX_BK_RDY));
++ usba_ep_writel(ep, CTL_DIS, USBA_BIT(RX_BK_RDY));
++
++ if (req) {
++ list_del_init(&req->queue);
++ request_complete(ep, req, 0);
++ }
++ ep->state = WAIT_FOR_SETUP;
++ break;
++
++ case DATA_STAGE_OUT:
++ receive_data(ep);
++ break;
++
++ default:
++ usba_ep_writel(ep, CLR_STA, USBA_BIT(RX_BK_RDY));
++ usba_ep_writel(ep, CTL_DIS, USBA_BIT(RX_BK_RDY));
++ printk(KERN_ERR
++ "udc: %s: RXRDY: Invalid endpoint state %d, "
++ "halting endpoint...\n",
++ ep_name(ep), ep->state);
++ set_protocol_stall(udc, ep);
++ break;
++ }
++
++ goto restart;
++ }
++ if (epstatus & USBA_BIT(RX_SETUP)) {
++ union {
++ struct usb_ctrlrequest crq;
++ unsigned long data[2];
++ } crq;
++ unsigned int pkt_len;
++ int ret;
++
++ if (ep->state != WAIT_FOR_SETUP) {
++ /*
++ * Didn't expect a SETUP packet at this
++ * point. Clean up any pending requests (which
++ * may be successful).
++ */
++ int status = -EPROTO;
++
++ /*
++ * RXRDY and TXCOMP are dropped when SETUP
++ * packets arrive. Just pretend we received
++ * the status packet.
++ */
++ if (ep->state == STATUS_STAGE_OUT
++ || ep->state == STATUS_STAGE_IN) {
++ usba_ep_writel(ep, CTL_DIS,
++ USBA_BIT(RX_BK_RDY));
++ status = 0;
++ }
++
++ if (req) {
++ list_del_init(&req->queue);
++ request_complete(ep, req, status);
++ }
++ }
++
++ pkt_len = USBA_BFEXT(BYTE_COUNT, usba_ep_readl(ep, STA));
++ DBG(DBG_HW, "Packet length: %u\n", pkt_len);
++ if (pkt_len != sizeof(crq)) {
++ printk(KERN_WARNING
++ "udc: Invalid packet length %u (expected %lu)\n",
++ pkt_len, sizeof(crq));
++ set_protocol_stall(udc, ep);
++ return;
++ }
++
++ DBG(DBG_FIFO, "Copying ctrl request from 0x%p:\n", ep->fifo);
++ copy_from_fifo(crq.data, ep->fifo, sizeof(crq));
++
++ /* Free up one bank in the FIFO so that we can
++ * generate or receive a reply right away. */
++ usba_ep_writel(ep, CLR_STA, USBA_BIT(RX_SETUP));
++
++ /* printk(KERN_DEBUG "setup: %d: %02x.%02x\n",
++ ep->state, crq.crq.bRequestType,
++ crq.crq.bRequest); */
++
++ if (crq.crq.bRequestType & USB_DIR_IN) {
++ /*
++ * The USB 2.0 spec states that "if wLength is
++ * zero, there is no data transfer phase."
++ * However, testusb #14 seems to actually
++ * expect a data phase even if wLength = 0...
++ */
++ ep->state = DATA_STAGE_IN;
++ } else {
++ if (crq.crq.wLength != __constant_cpu_to_le16(0))
++ ep->state = DATA_STAGE_OUT;
++ else
++ ep->state = STATUS_STAGE_IN;
++ }
++
++ ret = -1;
++ if (ep->index == 0)
++ ret = handle_ep0_setup(udc, ep, &crq.crq);
++ else
++ ret = udc->driver->setup(&udc->gadget, &crq.crq);
++
++ DBG(DBG_BUS, "req %02x.%02x, length %d, state %d, ret %d\n",
++ crq.crq.bRequestType, crq.crq.bRequest,
++ le16_to_cpu(crq.crq.wLength), ep->state, ret);
++
++ if (ret < 0) {
++ /* Let the host know that we failed */
++ set_protocol_stall(udc, ep);
++ }
++ }
++}
++
++static void usba_ep_irq(struct usba_udc *udc, struct usba_ep *ep)
++{
++ struct usba_request *req;
++ u32 epstatus;
++ u32 epctrl;
++
++ epstatus = usba_ep_readl(ep, STA);
++ epctrl = usba_ep_readl(ep, CTL);
++
++ DBG(DBG_INT, "%s: interrupt, status: 0x%08x\n",
++ ep_name(ep), epstatus);
++
++ while ((epctrl & USBA_BIT(TX_PK_RDY))
++ && !(epstatus & USBA_BIT(TX_PK_RDY))) {
++ DBG(DBG_BUS, "%s: TX PK ready\n", ep_name(ep));
++
++ if (list_empty(&ep->queue)) {
++ dev_warn(&udc->pdev->dev, "ep_irq: queue empty\n");
++ usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_PK_RDY));
++ return;
++ }
++
++ req = list_entry(ep->queue.next, struct usba_request, queue);
++
++ if (req->using_dma) {
++ /* Send a zero-length packet */
++ usba_ep_writel(ep, SET_STA,
++ USBA_BIT(TX_PK_RDY));
++ usba_ep_writel(ep, CTL_DIS,
++ USBA_BIT(TX_PK_RDY));
++ list_del_init(&req->queue);
++ submit_next_request(ep);
++ request_complete(ep, req, 0);
++ } else {
++ if (req->submitted)
++ next_fifo_transaction(ep, req);
++ else
++ submit_request(ep, req);
++
++ if (req->last_transaction) {
++ list_del_init(&req->queue);
++ submit_next_request(ep);
++ request_complete(ep, req, 0);
++ }
++ }
++
++ epstatus = usba_ep_readl(ep, STA);
++ epctrl = usba_ep_readl(ep, CTL);
++ }
++ if ((epstatus & epctrl) & USBA_BIT(RX_BK_RDY)) {
++ DBG(DBG_BUS, "%s: RX data ready\n", ep_name(ep));
++ receive_data(ep);
++ usba_ep_writel(ep, CLR_STA, USBA_BIT(RX_BK_RDY));
++ }
++}
++
++static void usba_dma_irq(struct usba_udc *udc, struct usba_ep *ep)
++{
++ struct usba_request *req;
++ u32 status, control, pending;
++
++ status = usba_dma_readl(ep, STATUS);
++ control = usba_dma_readl(ep, CONTROL);
++#ifdef CONFIG_DEBUG_FS
++ ep->last_dma_status = status;
++#endif
++ pending = status & control;
++ DBG(DBG_INT | DBG_DMA, "dma irq, s/%#08x, c/%#08x\n",
++ status, control);
++
++ if (status & USBA_BIT(DMA_CH_EN)) {
++ dev_err(&udc->pdev->dev,
++ "DMA_CH_EN is set after transfer is finished!\n");
++ dev_err(&udc->pdev->dev,
++ "status=%#08x, pending=%#08x, control=%#08x\n",
++ status, pending, control);
++
++ /*
++ * try to pretend nothing happened. We might have to
++ * do something here...
++ */
++ }
++
++ if (list_empty(&ep->queue))
++ /* Might happen if a reset comes along at the right moment */
++ return;
++
++ if (pending & (USBA_BIT(DMA_END_TR_ST) | USBA_BIT(DMA_END_BUF_ST))) {
++ req = list_entry(ep->queue.next, struct usba_request, queue);
++ usba_update_req(ep, req, status);
++
++ list_del_init(&req->queue);
++ submit_next_request(ep);
++ request_complete(ep, req, 0);
++ }
++}
++
++static irqreturn_t usba_udc_irq(int irq, void *devid)
++{
++ struct usba_udc *udc = devid;
++ u32 status;
++ u32 dma_status;
++ u32 ep_status;
++
++ spin_lock(&udc->lock);
++
++ status = usba_readl(udc, INT_STA);
++ DBG(DBG_INT, "irq, status=%#08x\n", status);
++
++ if (status & USBA_BIT(DET_SUSPEND)) {
++ usba_writel(udc, INT_CLR, USBA_BIT(DET_SUSPEND));
++ DBG(DBG_BUS, "Suspend detected\n");
++ if (udc->gadget.speed != USB_SPEED_UNKNOWN
++ && udc->driver && udc->driver->suspend)
++ udc->driver->suspend(&udc->gadget);
++ }
++
++ if (status & USBA_BIT(WAKE_UP)) {
++ usba_writel(udc, INT_CLR, USBA_BIT(WAKE_UP));
++ DBG(DBG_BUS, "Wake Up CPU detected\n");
++ }
++
++ if (status & USBA_BIT(END_OF_RESUME)) {
++ usba_writel(udc, INT_CLR, USBA_BIT(END_OF_RESUME));
++ DBG(DBG_BUS, "Resume detected\n");
++ if (udc->gadget.speed != USB_SPEED_UNKNOWN
++ && udc->driver && udc->driver->resume)
++ udc->driver->resume(&udc->gadget);
++ }
++
++ dma_status = USBA_BFEXT(DMA_INT, status);
++ if (dma_status) {
++ int i;
++
++ for (i = 1; i < USBA_NR_ENDPOINTS; i++)
++ if (dma_status & (1 << i))
++ usba_dma_irq(udc, &usba_ep[i]);
++ }
++
++ ep_status = USBA_BFEXT(EPT_INT, status);
++ if (ep_status) {
++ int i;
++
++ for (i = 0; i < USBA_NR_ENDPOINTS; i++)
++ if (ep_status & (1 << i)) {
++ if (ep_is_control(&usba_ep[i]))
++ usba_control_irq(udc, &usba_ep[i]);
++ else
++ usba_ep_irq(udc, &usba_ep[i]);
++ }
++ }
++
++ if (status & USBA_BIT(END_OF_RESET)) {
++ struct usba_ep *ep0;
++
++ usba_writel(udc, INT_CLR, USBA_BIT(END_OF_RESET));
++ reset_all_endpoints(udc);
++
++ if (status & USBA_BIT(HIGH_SPEED)) {
++ DBG(DBG_BUS, "High-speed bus reset detected\n");
++ udc->gadget.speed = USB_SPEED_HIGH;
++ } else {
++ DBG(DBG_BUS, "Full-speed bus reset detected\n");
++ udc->gadget.speed = USB_SPEED_FULL;
++ }
++
++ ep0 = &usba_ep[0];
++ ep0->desc = &usba_ep0_desc;
++ ep0->state = WAIT_FOR_SETUP;
++ usba_ep_writel(ep0, CFG,
++ (USBA_BF(EPT_SIZE, EP0_EPT_SIZE)
++ | USBA_BF(EPT_TYPE, USBA_EPT_TYPE_CONTROL)
++ | USBA_BF(BK_NUMBER, USBA_BK_NUMBER_ONE)));
++ usba_ep_writel(ep0, CTL_ENB,
++ USBA_BIT(EPT_ENABLE) | USBA_BIT(RX_SETUP));
++ usba_writel(udc, INT_ENB, (usba_readl(udc, INT_ENB)
++ | USBA_BF(EPT_INT, 1)
++ | USBA_BIT(DET_SUSPEND)
++ | USBA_BIT(END_OF_RESUME)));
++
++ if (!(usba_ep_readl(ep0, CFG) & USBA_BIT(EPT_MAPPED)))
++ dev_warn(&udc->pdev->dev,
++ "WARNING: EP0 configuration is invalid!\n");
++ }
++
++ spin_unlock(&udc->lock);
++
++ return IRQ_HANDLED;
++}
++
++static irqreturn_t usba_vbus_irq(int irq, void *devid)
++{
++ struct usba_udc *udc = devid;
++ int vbus;
++
++ /* debounce */
++ udelay(10);
++
++ spin_lock(&udc->lock);
++ vbus = gpio_get_value(udc->vbus_pin);
++ if (vbus != udc->vbus_prev) {
++ if (vbus) {
++ usba_writel(udc, CTRL, USBA_BIT(EN_USBA));
++ usba_writel(udc, INT_ENB, USBA_BIT(END_OF_RESET));
++ } else {
++ udc->gadget.speed = USB_SPEED_UNKNOWN;
++ reset_all_endpoints(udc);
++ usba_writel(udc, CTRL, 0);
++ if (udc->driver)
++ udc->driver->disconnect(&udc->gadget);
++ }
++ udc->vbus_prev = vbus;
++ }
++ spin_unlock(&udc->lock);
++
++ return IRQ_HANDLED;
++}
++
++int usb_gadget_register_driver(struct usb_gadget_driver *driver)
++{
++ struct usba_udc *udc = &the_udc;
++ unsigned long flags;
++ int ret;
++
++ if (!udc->pdev)
++ return -ENODEV;
++
++ spin_lock_irqsave(&udc->lock, flags);
++ if (udc->driver) {
++ spin_unlock_irqrestore(&udc->lock, flags);
++ return -EBUSY;
++ }
++
++ udc->driver = driver;
++ udc->gadget.dev.driver = &driver->driver;
++ spin_unlock_irqrestore(&udc->lock, flags);
++
++ clk_enable(udc->pclk);
++ clk_enable(udc->hclk);
++
++ ret = driver->bind(&udc->gadget);
++ if (ret) {
++ DBG(DBG_ERR, "Could not bind to driver %s: error %d\n",
++ driver->driver.name, ret);
++ goto err_driver_bind;
++ }
++
++ DBG(DBG_GADGET, "registered driver `%s'\n", driver->driver.name);
++
++ udc->vbus_prev = 0;
++ if (udc->vbus_pin != -1) {
++ ret = request_irq(gpio_to_irq(udc->vbus_pin),
++ usba_vbus_irq, 0, "atmel_usba_udc", udc);
++ if (ret) {
++ gpio_free(udc->vbus_pin);
++ udc->vbus_pin = -1;
++ dev_warn(&udc->pdev->dev,
++ "failed to request vbus irq; "
++ "assuming always on\n");
++ }
++ }
++
++ /* If Vbus is present, enable the controller and wait for reset */
++ spin_lock_irqsave(&udc->lock, flags);
++ if (vbus_is_present(udc) && udc->vbus_prev == 0) {
++ usba_writel(udc, CTRL, USBA_BIT(EN_USBA));
++ usba_writel(udc, INT_ENB, USBA_BIT(END_OF_RESET));
++ }
++ spin_unlock_irqrestore(&udc->lock, flags);
++
++ return 0;
++
++err_driver_bind:
++ udc->driver = NULL;
++ udc->gadget.dev.driver = NULL;
++ return ret;
++}
++EXPORT_SYMBOL(usb_gadget_register_driver);
++
++int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
++{
++ struct usba_udc *udc = &the_udc;
++ unsigned long flags;
++
++ if (!udc->pdev)
++ return -ENODEV;
++ if (driver != udc->driver)
++ return -EINVAL;
++
++ if (udc->vbus_pin != -1)
++ free_irq(gpio_to_irq(udc->vbus_pin), udc);
++
++ spin_lock_irqsave(&udc->lock, flags);
++ udc->gadget.speed = USB_SPEED_UNKNOWN;
++ reset_all_endpoints(udc);
++ spin_unlock_irqrestore(&udc->lock, flags);
++
++ /* This will also disable the DP pullup */
++ usba_writel(udc, CTRL, 0);
++
++ driver->unbind(&udc->gadget);
++ udc->gadget.dev.driver = NULL;
++ udc->driver = NULL;
++
++ clk_disable(udc->hclk);
++ clk_disable(udc->pclk);
++
++ DBG(DBG_GADGET, "unregistered driver `%s'\n", driver->driver.name);
++
++ return 0;
++}
++EXPORT_SYMBOL(usb_gadget_unregister_driver);
++
++static int __devinit usba_udc_probe(struct platform_device *pdev)
++{
++ struct usba_platform_data *pdata = pdev->dev.platform_data;
++ struct resource *regs, *fifo;
++ struct clk *pclk, *hclk;
++ struct usba_udc *udc = &the_udc;
++ int irq, ret, i;
++
++ regs = platform_get_resource(pdev, IORESOURCE_MEM, CTRL_IOMEM_ID);
++ fifo = platform_get_resource(pdev, IORESOURCE_MEM, FIFO_IOMEM_ID);
++ if (!regs || !fifo)
++ return -ENXIO;
++
++ irq = platform_get_irq(pdev, 0);
++ if (irq < 0)
++ return irq;
++
++ pclk = clk_get(&pdev->dev, "pclk");
++ if (IS_ERR(pclk))
++ return PTR_ERR(pclk);
++ hclk = clk_get(&pdev->dev, "hclk");
++ if (IS_ERR(hclk)) {
++ ret = PTR_ERR(hclk);
++ goto err_get_hclk;
++ }
++
++ udc->pdev = pdev;
++ udc->pclk = pclk;
++ udc->hclk = hclk;
++ udc->vbus_pin = -1;
++
++ ret = -ENOMEM;
++ udc->regs = ioremap(regs->start, regs->end - regs->start + 1);
++ if (!udc->regs) {
++ dev_err(&pdev->dev, "Unable to map I/O memory, aborting.\n");
++ goto err_map_regs;
++ }
++ dev_info(&pdev->dev, "MMIO registers at 0x%08lx mapped at %p\n",
++ (unsigned long)regs->start, udc->regs);
++ udc->fifo = ioremap(fifo->start, fifo->end - fifo->start + 1);
++ if (!udc->fifo) {
++ dev_err(&pdev->dev, "Unable to map FIFO, aborting.\n");
++ goto err_map_fifo;
++ }
++ dev_info(&pdev->dev, "FIFO at 0x%08lx mapped at %p\n",
++ (unsigned long)fifo->start, udc->fifo);
++
++ device_initialize(&udc->gadget.dev);
++ udc->gadget.dev.parent = &pdev->dev;
++ udc->gadget.dev.dma_mask = pdev->dev.dma_mask;
++
++ platform_set_drvdata(pdev, udc);
++
++ /* Make sure we start from a clean slate */
++ clk_enable(pclk);
++ usba_writel(udc, CTRL, 0);
++ clk_disable(pclk);
++
++ INIT_LIST_HEAD(&usba_ep[0].ep.ep_list);
++ usba_ep[0].ep_regs = udc->regs + USBA_EPT_BASE(0);
++ usba_ep[0].dma_regs = udc->regs + USBA_DMA_BASE(0);
++ usba_ep[0].fifo = udc->fifo + USBA_FIFO_BASE(0);
++ for (i = 1; i < ARRAY_SIZE(usba_ep); i++) {
++ struct usba_ep *ep = &usba_ep[i];
++
++ ep->ep_regs = udc->regs + USBA_EPT_BASE(i);
++ ep->dma_regs = udc->regs + USBA_DMA_BASE(i);
++ ep->fifo = udc->fifo + USBA_FIFO_BASE(i);
++
++ list_add_tail(&ep->ep.ep_list, &udc->gadget.ep_list);
++ }
++
++ ret = request_irq(irq, usba_udc_irq, IRQF_SAMPLE_RANDOM,
++ "atmel_usba_udc", udc);
++ if (ret) {
++ dev_err(&pdev->dev, "Cannot request irq %d (error %d)\n",
++ irq, ret);
++ goto err_request_irq;
++ }
++ udc->irq = irq;
++
++ ret = device_add(&udc->gadget.dev);
++ if (ret) {
++ dev_dbg(&pdev->dev, "Could not add gadget: %d\n", ret);
++ goto err_device_add;
++ }
++
++ if (pdata && pdata->vbus_pin != GPIO_PIN_NONE)
++ if (!gpio_request(pdata->vbus_pin, "atmel_usba_udc"))
++ udc->vbus_pin = pdata->vbus_pin;
++
++ usba_init_debugfs(udc);
++ for (i = 1; i < ARRAY_SIZE(usba_ep); i++)
++ usba_ep_init_debugfs(udc, &usba_ep[i]);
++
++ return 0;
++
++err_device_add:
++ free_irq(irq, udc);
++err_request_irq:
++ iounmap(udc->fifo);
++err_map_fifo:
++ iounmap(udc->regs);
++err_map_regs:
++ clk_put(hclk);
++err_get_hclk:
++ clk_put(pclk);
++
++ platform_set_drvdata(pdev, NULL);
++
++ return ret;
++}
++
++static int __devexit usba_udc_remove(struct platform_device *pdev)
++{
++ struct usba_udc *udc;
++ int i;
++
++ udc = platform_get_drvdata(pdev);
++
++ for (i = 1; i < ARRAY_SIZE(usba_ep); i++)
++ usba_ep_cleanup_debugfs(&usba_ep[i]);
++ usba_cleanup_debugfs(udc);
++
++ if (udc->vbus_pin != -1)
++ gpio_free(udc->vbus_pin);
++
++ free_irq(udc->irq, udc);
++ iounmap(udc->fifo);
++ iounmap(udc->regs);
++ clk_put(udc->hclk);
++ clk_put(udc->pclk);
++
++ device_unregister(&udc->gadget.dev);
++
++ return 0;
++}
++
++static struct platform_driver udc_driver = {
++ .probe = usba_udc_probe,
++ .remove = __devexit_p(usba_udc_remove),
++ .driver = {
++ .name = "atmel_usba_udc",
++ },
++};
++
++static int __init udc_init(void)
++{
++ return platform_driver_register(&udc_driver);
++}
++module_init(udc_init);
++
++static void __exit udc_exit(void)
++{
++ platform_driver_unregister(&udc_driver);
++}
++module_exit(udc_exit);
++
++MODULE_DESCRIPTION("Atmel USBA UDC driver");
++MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>");
++MODULE_LICENSE("GPL");
+diff --git a/drivers/usb/gadget/atmel_usba_udc.h b/drivers/usb/gadget/atmel_usba_udc.h
+new file mode 100644
+index 0000000..408d2ce
+--- /dev/null
++++ b/drivers/usb/gadget/atmel_usba_udc.h
+@@ -0,0 +1,402 @@
++/*
++ * Driver for the Atmel USBA high speed USB device controller
++ *
++ * Copyright (C) 2005-2007 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++#ifndef __LINUX_USB_GADGET_USBA_UDC_H__
++#define __LINUX_USB_GADGET_USBA_UDC_H__
++
++/* USB register offsets */
++#define USBA_CTRL 0x0000
++#define USBA_FNUM 0x0004
++#define USBA_INT_ENB 0x0010
++#define USBA_INT_STA 0x0014
++#define USBA_INT_CLR 0x0018
++#define USBA_EPT_RST 0x001c
++#define USBA_TST_SOF_CNT 0x00d0
++#define USBA_TST_CNT_A 0x00d4
++#define USBA_TST_CNT_B 0x00d8
++#define USBA_TST_MODE_REG 0x00dc
++#define USBA_TST 0x00e0
++
++/* USB endpoint register offsets */
++#define USBA_EPT_CFG 0x0000
++#define USBA_EPT_CTL_ENB 0x0004
++#define USBA_EPT_CTL_DIS 0x0008
++#define USBA_EPT_CTL 0x000c
++#define USBA_EPT_SET_STA 0x0014
++#define USBA_EPT_CLR_STA 0x0018
++#define USBA_EPT_STA 0x001c
++
++/* USB DMA register offsets */
++#define USBA_DMA_NXT_DSC 0x0000
++#define USBA_DMA_ADDRESS 0x0004
++#define USBA_DMA_CONTROL 0x0008
++#define USBA_DMA_STATUS 0x000c
++
++/* Bitfields in CTRL */
++#define USBA_DEV_ADDR_OFFSET 0
++#define USBA_DEV_ADDR_SIZE 7
++#define USBA_FADDR_EN_OFFSET 7
++#define USBA_FADDR_EN_SIZE 1
++#define USBA_EN_USBA_OFFSET 8
++#define USBA_EN_USBA_SIZE 1
++#define USBA_DETACH_OFFSET 9
++#define USBA_DETACH_SIZE 1
++#define USBA_REMOTE_WAKE_UP_OFFSET 10
++#define USBA_REMOTE_WAKE_UP_SIZE 1
++
++/* Bitfields in FNUM */
++#define USBA_MICRO_FRAME_NUM_OFFSET 0
++#define USBA_MICRO_FRAME_NUM_SIZE 3
++#define USBA_FRAME_NUMBER_OFFSET 3
++#define USBA_FRAME_NUMBER_SIZE 11
++#define USBA_FRAME_NUM_ERROR_OFFSET 31
++#define USBA_FRAME_NUM_ERROR_SIZE 1
++
++/* Bitfields in INT_ENB/INT_STA/INT_CLR */
++#define USBA_HIGH_SPEED_OFFSET 0
++#define USBA_HIGH_SPEED_SIZE 1
++#define USBA_DET_SUSPEND_OFFSET 1
++#define USBA_DET_SUSPEND_SIZE 1
++#define USBA_MICRO_SOF_OFFSET 2
++#define USBA_MICRO_SOF_SIZE 1
++#define USBA_SOF_OFFSET 3
++#define USBA_SOF_SIZE 1
++#define USBA_END_OF_RESET_OFFSET 4
++#define USBA_END_OF_RESET_SIZE 1
++#define USBA_WAKE_UP_OFFSET 5
++#define USBA_WAKE_UP_SIZE 1
++#define USBA_END_OF_RESUME_OFFSET 6
++#define USBA_END_OF_RESUME_SIZE 1
++#define USBA_UPSTREAM_RESUME_OFFSET 7
++#define USBA_UPSTREAM_RESUME_SIZE 1
++#define USBA_EPT_INT_OFFSET 8
++#define USBA_EPT_INT_SIZE 16
++#define USBA_DMA_INT_OFFSET 24
++#define USBA_DMA_INT_SIZE 8
++
++/* Bitfields in EPT_RST */
++#define USBA_RST_OFFSET 0
++#define USBA_RST_SIZE 16
++
++/* Bitfields in TST_SOF_CNT */
++#define USBA_SOF_CNT_MAX_OFFSET 0
++#define USBA_SOF_CNT_MAX_SIZE 7
++#define USBA_SOF_CNT_LOAD_OFFSET 7
++#define USBA_SOF_CNT_LOAD_SIZE 1
++
++/* Bitfields in TST_CNT_A */
++#define USBA_CNT_A_MAX_OFFSET 0
++#define USBA_CNT_A_MAX_SIZE 7
++#define USBA_CNT_A_LOAD_OFFSET 7
++#define USBA_CNT_A_LOAD_SIZE 1
++
++/* Bitfields in TST_CNT_B */
++#define USBA_CNT_B_MAX_OFFSET 0
++#define USBA_CNT_B_MAX_SIZE 7
++#define USBA_CNT_B_LOAD_OFFSET 7
++#define USBA_CNT_B_LOAD_SIZE 1
++
++/* Bitfields in TST_MODE_REG */
++#define USBA_TST_MODE_OFFSET 0
++#define USBA_TST_MODE_SIZE 6
++
++/* Bitfields in USBA_TST */
++#define USBA_SPEED_CFG_OFFSET 0
++#define USBA_SPEED_CFG_SIZE 2
++#define USBA_TST_J_MODE_OFFSET 2
++#define USBA_TST_J_MODE_SIZE 1
++#define USBA_TST_K_MODE_OFFSET 3
++#define USBA_TST_K_MODE_SIZE 1
++#define USBA_TST_PKT_MODE_OFFSET 4
++#define USBA_TST_PKT_MODE_SIZE 1
++#define USBA_OPMODE2_OFFSET 5
++#define USBA_OPMODE2_SIZE 1
++
++/* Bitfields in EPT_CFG */
++#define USBA_EPT_SIZE_OFFSET 0
++#define USBA_EPT_SIZE_SIZE 3
++#define USBA_EPT_DIR_OFFSET 3
++#define USBA_EPT_DIR_SIZE 1
++#define USBA_EPT_TYPE_OFFSET 4
++#define USBA_EPT_TYPE_SIZE 2
++#define USBA_BK_NUMBER_OFFSET 6
++#define USBA_BK_NUMBER_SIZE 2
++#define USBA_NB_TRANS_OFFSET 8
++#define USBA_NB_TRANS_SIZE 2
++#define USBA_EPT_MAPPED_OFFSET 31
++#define USBA_EPT_MAPPED_SIZE 1
++
++/* Bitfields in EPT_CTL/EPT_CTL_ENB/EPT_CTL_DIS */
++#define USBA_EPT_ENABLE_OFFSET 0
++#define USBA_EPT_ENABLE_SIZE 1
++#define USBA_AUTO_VALID_OFFSET 1
++#define USBA_AUTO_VALID_SIZE 1
++#define USBA_INTDIS_DMA_OFFSET 3
++#define USBA_INTDIS_DMA_SIZE 1
++#define USBA_NYET_DIS_OFFSET 4
++#define USBA_NYET_DIS_SIZE 1
++#define USBA_DATAX_RX_OFFSET 6
++#define USBA_DATAX_RX_SIZE 1
++#define USBA_MDATA_RX_OFFSET 7
++#define USBA_MDATA_RX_SIZE 1
++/* Bits 8-15 and 31 enable interrupts for respective bits in EPT_STA */
++#define USBA_BUSY_BANK_IE_OFFSET 18
++#define USBA_BUSY_BANK_IE_SIZE 1
++
++/* Bitfields in EPT_SET_STA/EPT_CLR_STA/EPT_STA */
++#define USBA_FORCE_STALL_OFFSET 5
++#define USBA_FORCE_STALL_SIZE 1
++#define USBA_TOGGLE_SEQ_OFFSET 6
++#define USBA_TOGGLE_SEQ_SIZE 2
++#define USBA_ERR_OVFLW_OFFSET 8
++#define USBA_ERR_OVFLW_SIZE 1
++#define USBA_RX_BK_RDY_OFFSET 9
++#define USBA_RX_BK_RDY_SIZE 1
++#define USBA_KILL_BANK_OFFSET 9
++#define USBA_KILL_BANK_SIZE 1
++#define USBA_TX_COMPLETE_OFFSET 10
++#define USBA_TX_COMPLETE_SIZE 1
++#define USBA_TX_PK_RDY_OFFSET 11
++#define USBA_TX_PK_RDY_SIZE 1
++#define USBA_ISO_ERR_TRANS_OFFSET 11
++#define USBA_ISO_ERR_TRANS_SIZE 1
++#define USBA_RX_SETUP_OFFSET 12
++#define USBA_RX_SETUP_SIZE 1
++#define USBA_ISO_ERR_FLOW_OFFSET 12
++#define USBA_ISO_ERR_FLOW_SIZE 1
++#define USBA_STALL_SENT_OFFSET 13
++#define USBA_STALL_SENT_SIZE 1
++#define USBA_ISO_ERR_CRC_OFFSET 13
++#define USBA_ISO_ERR_CRC_SIZE 1
++#define USBA_ISO_ERR_NBTRANS_OFFSET 13
++#define USBA_ISO_ERR_NBTRANS_SIZE 1
++#define USBA_NAK_IN_OFFSET 14
++#define USBA_NAK_IN_SIZE 1
++#define USBA_ISO_ERR_FLUSH_OFFSET 14
++#define USBA_ISO_ERR_FLUSH_SIZE 1
++#define USBA_NAK_OUT_OFFSET 15
++#define USBA_NAK_OUT_SIZE 1
++#define USBA_CURRENT_BANK_OFFSET 16
++#define USBA_CURRENT_BANK_SIZE 2
++#define USBA_BUSY_BANKS_OFFSET 18
++#define USBA_BUSY_BANKS_SIZE 2
++#define USBA_BYTE_COUNT_OFFSET 20
++#define USBA_BYTE_COUNT_SIZE 11
++#define USBA_SHORT_PACKET_OFFSET 31
++#define USBA_SHORT_PACKET_SIZE 1
++
++/* Bitfields in DMA_CONTROL */
++#define USBA_DMA_CH_EN_OFFSET 0
++#define USBA_DMA_CH_EN_SIZE 1
++#define USBA_DMA_LINK_OFFSET 1
++#define USBA_DMA_LINK_SIZE 1
++#define USBA_DMA_END_TR_EN_OFFSET 2
++#define USBA_DMA_END_TR_EN_SIZE 1
++#define USBA_DMA_END_BUF_EN_OFFSET 3
++#define USBA_DMA_END_BUF_EN_SIZE 1
++#define USBA_DMA_END_TR_IE_OFFSET 4
++#define USBA_DMA_END_TR_IE_SIZE 1
++#define USBA_DMA_END_BUF_IE_OFFSET 5
++#define USBA_DMA_END_BUF_IE_SIZE 1
++#define USBA_DMA_DESC_LOAD_IE_OFFSET 6
++#define USBA_DMA_DESC_LOAD_IE_SIZE 1
++#define USBA_DMA_BURST_LOCK_OFFSET 7
++#define USBA_DMA_BURST_LOCK_SIZE 1
++#define USBA_DMA_BUF_LEN_OFFSET 16
++#define USBA_DMA_BUF_LEN_SIZE 16
++
++/* Bitfields in DMA_STATUS */
++#define USBA_DMA_CH_ACTIVE_OFFSET 1
++#define USBA_DMA_CH_ACTIVE_SIZE 1
++#define USBA_DMA_END_TR_ST_OFFSET 4
++#define USBA_DMA_END_TR_ST_SIZE 1
++#define USBA_DMA_END_BUF_ST_OFFSET 5
++#define USBA_DMA_END_BUF_ST_SIZE 1
++#define USBA_DMA_DESC_LOAD_ST_OFFSET 6
++#define USBA_DMA_DESC_LOAD_ST_SIZE 1
++
++/* Constants for SPEED_CFG */
++#define USBA_SPEED_CFG_NORMAL 0
++#define USBA_SPEED_CFG_FORCE_HIGH 2
++#define USBA_SPEED_CFG_FORCE_FULL 3
++
++/* Constants for EPT_SIZE */
++#define USBA_EPT_SIZE_8 0
++#define USBA_EPT_SIZE_16 1
++#define USBA_EPT_SIZE_32 2
++#define USBA_EPT_SIZE_64 3
++#define USBA_EPT_SIZE_128 4
++#define USBA_EPT_SIZE_256 5
++#define USBA_EPT_SIZE_512 6
++#define USBA_EPT_SIZE_1024 7
++
++/* Constants for EPT_TYPE */
++#define USBA_EPT_TYPE_CONTROL 0
++#define USBA_EPT_TYPE_ISO 1
++#define USBA_EPT_TYPE_BULK 2
++#define USBA_EPT_TYPE_INT 3
++
++/* Constants for BK_NUMBER */
++#define USBA_BK_NUMBER_ZERO 0
++#define USBA_BK_NUMBER_ONE 1
++#define USBA_BK_NUMBER_DOUBLE 2
++#define USBA_BK_NUMBER_TRIPLE 3
++
++/* Bit manipulation macros */
++#define USBA_BIT(name) \
++ (1 << USBA_##name##_OFFSET)
++#define USBA_BF(name, value) \
++ (((value) & ((1 << USBA_##name##_SIZE) - 1)) \
++ << USBA_##name##_OFFSET)
++#define USBA_BFEXT(name, value) \
++ (((value) >> USBA_##name##_OFFSET) \
++ & ((1 << USBA_##name##_SIZE) - 1))
++#define USBA_BFINS(name, value, old) \
++ (((old) & ~(((1 << USBA_##name##_SIZE) - 1) \
++ << USBA_##name##_OFFSET)) \
++ | USBA_BF(name, value))
++
++/* Register access macros */
++#define usba_readl(udc, reg) \
++ __raw_readl((udc)->regs + USBA_##reg)
++#define usba_writel(udc, reg, value) \
++ __raw_writel((value), (udc)->regs + USBA_##reg)
++#define usba_ep_readl(ep, reg) \
++ __raw_readl((ep)->ep_regs + USBA_EPT_##reg)
++#define usba_ep_writel(ep, reg, value) \
++ __raw_writel((value), (ep)->ep_regs + USBA_EPT_##reg)
++#define usba_dma_readl(ep, reg) \
++ __raw_readl((ep)->dma_regs + USBA_DMA_##reg)
++#define usba_dma_writel(ep, reg, value) \
++ __raw_writel((value), (ep)->dma_regs + USBA_DMA_##reg)
++
++/* Calculate base address for a given endpoint or DMA controller */
++#define USBA_EPT_BASE(x) (0x100 + (x) * 0x20)
++#define USBA_DMA_BASE(x) (0x300 + (x) * 0x10)
++#define USBA_FIFO_BASE(x) ((x) << 16)
++
++/* Synth parameters */
++#define USBA_NR_ENDPOINTS 7
++
++#define EP0_FIFO_SIZE 64
++#define EP0_EPT_SIZE USBA_EPT_SIZE_64
++#define EP0_NR_BANKS 1
++#define BULK_FIFO_SIZE 512
++#define BULK_EPT_SIZE USBA_EPT_SIZE_512
++#define BULK_NR_BANKS 2
++#define ISO_FIFO_SIZE 1024
++#define ISO_EPT_SIZE USBA_EPT_SIZE_1024
++#define ISO_NR_BANKS 3
++#define INT_FIFO_SIZE 64
++#define INT_EPT_SIZE USBA_EPT_SIZE_64
++#define INT_NR_BANKS 3
++
++enum usba_ctrl_state {
++ WAIT_FOR_SETUP,
++ DATA_STAGE_IN,
++ DATA_STAGE_OUT,
++ STATUS_STAGE_IN,
++ STATUS_STAGE_OUT,
++ STATUS_STAGE_ADDR,
++ STATUS_STAGE_TEST,
++};
++/*
++ EP_STATE_IDLE,
++ EP_STATE_SETUP,
++ EP_STATE_IN_DATA,
++ EP_STATE_OUT_DATA,
++ EP_STATE_SET_ADDR_STATUS,
++ EP_STATE_RX_STATUS,
++ EP_STATE_TX_STATUS,
++ EP_STATE_HALT,
++*/
++
++struct usba_dma_desc {
++ dma_addr_t next;
++ dma_addr_t addr;
++ u32 ctrl;
++};
++
++struct usba_ep {
++ int state;
++ void __iomem *ep_regs;
++ void __iomem *dma_regs;
++ void __iomem *fifo;
++ struct usb_ep ep;
++ struct usba_udc *udc;
++
++ struct list_head queue;
++ const struct usb_endpoint_descriptor *desc;
++
++ u16 fifo_size;
++ u8 nr_banks;
++ u8 index;
++ unsigned int can_dma:1;
++ unsigned int can_isoc:1;
++ unsigned int is_isoc:1;
++ unsigned int is_in:1;
++
++#ifdef CONFIG_DEBUG_FS
++ u32 last_dma_status;
++ struct dentry *debugfs_dir;
++ struct dentry *debugfs_queue;
++ struct dentry *debugfs_dma_status;
++ struct dentry *debugfs_state;
++#endif
++};
++
++struct usba_request {
++ struct usb_request req;
++ struct list_head queue;
++
++ u32 ctrl;
++
++ unsigned int submitted:1;
++ unsigned int last_transaction:1;
++ unsigned int using_dma:1;
++ unsigned int mapped:1;
++};
++
++struct usba_udc {
++ /* Protect hw registers from concurrent modifications */
++ spinlock_t lock;
++
++ void __iomem *regs;
++ void __iomem *fifo;
++
++ struct usb_gadget gadget;
++ struct usb_gadget_driver *driver;
++ struct platform_device *pdev;
++ int irq;
++ int vbus_pin;
++ struct clk *pclk;
++ struct clk *hclk;
++
++ int test_mode;
++ int vbus_prev;
++
++#ifdef CONFIG_DEBUG_FS
++ struct dentry *debugfs_root;
++ struct dentry *debugfs_regs;
++#endif
++};
++
++#define to_usba_ep(x) container_of((x), struct usba_ep, ep)
++#define to_usba_req(x) container_of((x), struct usba_request, req)
++#define to_usba_udc(x) container_of((x), struct usba_udc, gadget)
++
++#define ep_index(ep) ((ep)->index)
++#define ep_can_dma(ep) ((ep)->can_dma)
++#define ep_is_in(ep) ((ep)->is_in)
++#define ep_is_isochronous(ep) ((ep)->is_isoc)
++#define ep_is_control(ep) (ep_index(ep) == 0)
++#define ep_name(ep) ((ep)->ep.name)
++#define ep_is_idle(ep) ((ep)->state == EP_STATE_IDLE)
++
++#endif /* __LINUX_USB_GADGET_USBA_UDC_H */
+diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
+index 325bf7c..23e874b 100644
+--- a/drivers/usb/gadget/ether.c
++++ b/drivers/usb/gadget/ether.c
+@@ -277,7 +277,7 @@ MODULE_PARM_DESC(host_addr, "Host Ethernet Address");
+ #define DEV_CONFIG_CDC
+ #endif
+
+-#ifdef CONFIG_USB_GADGET_HUSB2DEV
++#ifdef CONFIG_USB_GADGET_ATMEL_USBA
+ #define DEV_CONFIG_CDC
+ #endif
+
+diff --git a/drivers/usb/gadget/gadget_chips.h b/drivers/usb/gadget/gadget_chips.h
+index d041b91..96e4dbc 100644
+--- a/drivers/usb/gadget/gadget_chips.h
++++ b/drivers/usb/gadget/gadget_chips.h
+@@ -75,10 +75,10 @@
+ #define gadget_is_pxa27x(g) 0
+ #endif
+
+-#ifdef CONFIG_USB_GADGET_HUSB2DEV
+-#define gadget_is_husb2dev(g) !strcmp("husb2_udc", (g)->name)
++#ifdef CONFIG_USB_GADGET_ATMEL_USBA
++#define gadget_is_atmel_usba(g) !strcmp("atmel_usba_udc", (g)->name)
+ #else
+-#define gadget_is_husb2dev(g) 0
++#define gadget_is_atmel_usba(g) 0
+ #endif
+
+ #ifdef CONFIG_USB_GADGET_S3C2410
+@@ -181,7 +181,7 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget)
+ return 0x16;
+ else if (gadget_is_mpc8272(gadget))
+ return 0x17;
+- else if (gadget_is_husb2dev(gadget))
++ else if (gadget_is_atmel_usba(gadget))
+ return 0x18;
+ else if (gadget_is_fsl_usb2(gadget))
+ return 0x19;
+diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
+index 46d0e52..855f8cc 100644
+--- a/drivers/usb/gadget/inode.c
++++ b/drivers/usb/gadget/inode.c
+@@ -37,7 +37,7 @@
+ #include <linux/device.h>
+ #include <linux/moduleparam.h>
+
+-#include <linux/usb_gadgetfs.h>
++#include <linux/usb/gadgetfs.h>
+ #include <linux/usb_gadget.h>
+
+
+diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
+index 403dac7..f3e2897 100644
+--- a/drivers/video/Kconfig
++++ b/drivers/video/Kconfig
+@@ -849,6 +849,16 @@ config FB_INTSRAM
+ Say Y if you want to map Frame Buffer in internal SRAM. Say N if you want
+ to let frame buffer in external SDRAM.
+
++config FB_ATMEL_STN
++ bool "Use a STN display with AT91/AT32 LCD Controller"
++ depends on FB_ATMEL && ARCH_AT91SAM9261
++ default n
++ help
++ Say Y if you want to connect a STN LCD display to the AT91/AT32 LCD
++ Controller. Say N if you want to connect a TFT.
++
++ If unsure, say N.
++
+ config FB_NVIDIA
+ tristate "nVidia Framebuffer Support"
+ depends on FB && PCI
+diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
+index e1d5bd0..bb361ab 100644
+--- a/drivers/video/atmel_lcdfb.c
++++ b/drivers/video/atmel_lcdfb.c
+@@ -37,7 +37,9 @@
+ #endif
+
+ #if defined(CONFIG_ARCH_AT91)
+-#define ATMEL_LCDFB_FBINFO_DEFAULT FBINFO_DEFAULT
++#define ATMEL_LCDFB_FBINFO_DEFAULT (FBINFO_DEFAULT \
++ | FBINFO_PARTIAL_PAN_OK \
++ | FBINFO_HWACCEL_YPAN)
+
+ static inline void atmel_lcdfb_update_dma2d(struct atmel_lcdfb_info *sinfo,
+ struct fb_var_screeninfo *var)
+@@ -74,11 +76,34 @@ static struct fb_fix_screeninfo atmel_lcdfb_fix __initdata = {
+ .type = FB_TYPE_PACKED_PIXELS,
+ .visual = FB_VISUAL_TRUECOLOR,
+ .xpanstep = 0,
+- .ypanstep = 0,
++ .ypanstep = 1,
+ .ywrapstep = 0,
+ .accel = FB_ACCEL_NONE,
+ };
+
++static unsigned long compute_hozval(unsigned long xres, unsigned long lcdcon2)
++{
++ unsigned long value;
++
++ if (!(cpu_is_at91sam9261() || cpu_is_at32ap7000()))
++ return xres;
++
++ value = xres;
++ if ((lcdcon2 & ATMEL_LCDC_DISTYPE) != ATMEL_LCDC_DISTYPE_TFT) {
++ /* STN display */
++ if ((lcdcon2 & ATMEL_LCDC_DISTYPE) == ATMEL_LCDC_DISTYPE_STNCOLOR) {
++ value *= 3;
++ }
++ if ( (lcdcon2 & ATMEL_LCDC_IFWIDTH) == ATMEL_LCDC_IFWIDTH_4
++ || ( (lcdcon2 & ATMEL_LCDC_IFWIDTH) == ATMEL_LCDC_IFWIDTH_8
++ && (lcdcon2 & ATMEL_LCDC_SCANMOD) == ATMEL_LCDC_SCANMOD_DUAL ))
++ value = DIV_ROUND_UP(value, 4);
++ else
++ value = DIV_ROUND_UP(value, 8);
++ }
++
++ return value;
++}
+
+ static void atmel_lcdfb_update_dma(struct fb_info *info,
+ struct fb_var_screeninfo *var)
+@@ -181,6 +206,7 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var,
+ var->xoffset = var->yoffset = 0;
+
+ switch (var->bits_per_pixel) {
++ case 1:
+ case 2:
+ case 4:
+ case 8:
+@@ -195,8 +221,11 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var,
+ var->blue.offset = 10;
+ var->red.length = var->green.length = var->blue.length = 5;
+ break;
+- case 24:
+ case 32:
++ var->transp.offset = 24;
++ var->transp.length = 8;
++ /* fall through */
++ case 24:
+ var->red.offset = 0;
+ var->green.offset = 8;
+ var->blue.offset = 16;
+@@ -228,8 +257,10 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var,
+ static int atmel_lcdfb_set_par(struct fb_info *info)
+ {
+ struct atmel_lcdfb_info *sinfo = info->par;
++ unsigned long hozval_linesz;
+ unsigned long value;
+ unsigned long clk_value_khz;
++ unsigned long bits_per_line;
+
+ dev_dbg(info->device, "%s:\n", __func__);
+ dev_dbg(info->device, " * resolution: %ux%u (%ux%u virtual)\n",
+@@ -241,12 +272,15 @@ static int atmel_lcdfb_set_par(struct fb_info *info)
+
+ lcdc_writel(sinfo, ATMEL_LCDC_DMACON, 0);
+
+- if (info->var.bits_per_pixel <= 8)
++ if (info->var.bits_per_pixel == 1)
++ info->fix.visual = FB_VISUAL_MONO01;
++ else if (info->var.bits_per_pixel <= 8)
+ info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
+ else
+ info->fix.visual = FB_VISUAL_TRUECOLOR;
+
+- info->fix.line_length = info->var.xres_virtual * (info->var.bits_per_pixel / 8);
++ bits_per_line = info->var.xres_virtual * info->var.bits_per_pixel;
++ info->fix.line_length = DIV_ROUND_UP(bits_per_line, 8);
+
+ /* Re-initialize the DMA engine... */
+ dev_dbg(info->device, " * update DMA engine\n");
+@@ -262,18 +296,21 @@ static int atmel_lcdfb_set_par(struct fb_info *info)
+ /* Set pixel clock */
+ clk_value_khz = clk_get_rate(sinfo->lcdc_clk) / 1000;
+
+- value = clk_value_khz / PICOS2KHZ(info->var.pixclock);
+-
+- if (clk_value_khz % PICOS2KHZ(info->var.pixclock))
+- value++;
++ value = DIV_ROUND_UP(clk_value_khz, PICOS2KHZ(info->var.pixclock));
+
+ value = (value / 2) - 1;
++ dev_dbg(info->device, " * programming CLKVAL = 0x%08lx\n", value);
+
+ if (value <= 0) {
+ dev_notice(info->device, "Bypassing pixel clock divider\n");
+ lcdc_writel(sinfo, ATMEL_LCDC_LCDCON1, ATMEL_LCDC_BYPASS);
+- } else
++ } else {
+ lcdc_writel(sinfo, ATMEL_LCDC_LCDCON1, value << ATMEL_LCDC_CLKVAL_OFFSET);
++ info->var.pixclock = KHZ2PICOS(clk_value_khz / (2 * (value + 1)));
++ dev_dbg(info->device, " updated pixclk: %lu KHz\n",
++ PICOS2KHZ(info->var.pixclock));
++ }
++
+
+ /* Initialize control register 2 */
+ value = sinfo->default_lcdcon2;
+@@ -311,9 +348,14 @@ static int atmel_lcdfb_set_par(struct fb_info *info)
+ dev_dbg(info->device, " * LCDTIM2 = %08lx\n", value);
+ lcdc_writel(sinfo, ATMEL_LCDC_TIM2, value);
+
++ /* Horizontal value (aka line size) */
++ hozval_linesz = compute_hozval(info->var.xres,
++ lcdc_readl(sinfo, ATMEL_LCDC_LCDCON2));
++
+ /* Display size */
+- value = (info->var.xres - 1) << ATMEL_LCDC_HOZVAL_OFFSET;
++ value = (hozval_linesz - 1) << ATMEL_LCDC_HOZVAL_OFFSET;
+ value |= info->var.yres - 1;
++ dev_dbg(info->device, " * LCDFRMCFG = %08lx\n", value);
+ lcdc_writel(sinfo, ATMEL_LCDC_LCDFRMCFG, value);
+
+ /* FIFO Threshold: Use formula from data sheet */
+@@ -421,6 +463,15 @@ static int atmel_lcdfb_setcolreg(unsigned int regno, unsigned int red,
+ ret = 0;
+ }
+ break;
++
++ case FB_VISUAL_MONO01:
++ if (regno < 2) {
++ val = (regno == 0) ? 0x00 : 0x1F;
++ lcdc_writel(sinfo, ATMEL_LCDC_LUT(regno), val);
++ ret = 0;
++ }
++ break;
++
+ }
+
+ return ret;
+diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
+index fbef663..b6f936a 100644
+--- a/drivers/video/backlight/Kconfig
++++ b/drivers/video/backlight/Kconfig
+@@ -8,26 +8,44 @@ menuconfig BACKLIGHT_LCD_SUPPORT
+ Enable this to be able to choose the drivers for controlling the
+ backlight and the LCD panel on some platforms, for example on PDAs.
+
+-config BACKLIGHT_CLASS_DEVICE
+- tristate "Lowlevel Backlight controls"
++#
++# LCD
++#
++config LCD_CLASS_DEVICE
++ tristate "Lowlevel LCD controls"
+ depends on BACKLIGHT_LCD_SUPPORT
+ default m
+ help
+- This framework adds support for low-level control of the LCD
+- backlight. This includes support for brightness and power.
++ This framework adds support for low-level control of LCD.
++ Some framebuffer devices connect to platform-specific LCD modules
++ in order to have a platform-specific way to control the flat panel
++ (contrast and applying power to the LCD (not to the backlight!)).
+
+ To have support for your specific LCD panel you will have to
+ select the proper drivers which depend on this option.
+
+-config LCD_CLASS_DEVICE
+- tristate "Lowlevel LCD controls"
++config LCD_LTV350QV
++ tristate "Samsung LTV350QV LCD Panel"
++ depends on LCD_CLASS_DEVICE && SPI_MASTER
++ default n
++ help
++ If you have a Samsung LTV350QV LCD panel, say y to include a
++ power control driver for it. The panel starts up in power
++ off state, so you need this driver in order to see any
++ output.
++
++ The LTV350QV panel is present on all ATSTK1000 boards.
++
++#
++# Backlight
++#
++config BACKLIGHT_CLASS_DEVICE
++ tristate "Lowlevel Backlight controls"
+ depends on BACKLIGHT_LCD_SUPPORT
+ default m
+ help
+- This framework adds support for low-level control of LCD.
+- Some framebuffer devices connect to platform-specific LCD modules
+- in order to have a platform-specific way to control the flat panel
+- (contrast and applying power to the LCD (not to the backlight!)).
++ This framework adds support for low-level control of the LCD
++ backlight. This includes support for brightness and power.
+
+ To have support for your specific LCD panel you will have to
+ select the proper drivers which depend on this option.
+diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile
+index c6e2266..965a78b 100644
+--- a/drivers/video/backlight/Makefile
++++ b/drivers/video/backlight/Makefile
+@@ -1,6 +1,8 @@
+ # Backlight & LCD drivers
+
+ obj-$(CONFIG_LCD_CLASS_DEVICE) += lcd.o
++obj-$(CONFIG_LCD_LTV350QV) += ltv350qv.o
++
+ obj-$(CONFIG_BACKLIGHT_CLASS_DEVICE) += backlight.o
+ obj-$(CONFIG_BACKLIGHT_CORGI) += corgi_bl.o
+ obj-$(CONFIG_BACKLIGHT_HP680) += hp680_bl.o
+diff --git a/drivers/video/backlight/ltv350qv.c b/drivers/video/backlight/ltv350qv.c
+new file mode 100644
+index 0000000..64ce69e
+--- /dev/null
++++ b/drivers/video/backlight/ltv350qv.c
+@@ -0,0 +1,339 @@
++/*
++ * Power control for Samsung LTV350QV Quarter VGA LCD Panel
++ *
++ * Copyright (C) 2006, 2007 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++#include <linux/delay.h>
++#include <linux/err.h>
++#include <linux/fb.h>
++#include <linux/init.h>
++#include <linux/lcd.h>
++#include <linux/module.h>
++#include <linux/spi/spi.h>
++
++#include "ltv350qv.h"
++
++#define POWER_IS_ON(pwr) ((pwr) <= FB_BLANK_NORMAL)
++
++struct ltv350qv {
++ struct spi_device *spi;
++ u8 *buffer;
++ int power;
++ struct lcd_device *ld;
++};
++
++/*
++ * The power-on and power-off sequences are taken from the
++ * LTV350QV-F04 data sheet from Samsung. The register definitions are
++ * taken from the S6F2002 command list also from Samsung. Both
++ * documents are distributed with the AVR32 Linux BSP CD from Atmel.
++ *
++ * There's still some voodoo going on here, but it's a lot better than
++ * in the first incarnation of the driver where all we had was the raw
++ * numbers from the initialization sequence.
++ */
++static int ltv350qv_write_reg(struct ltv350qv *lcd, u8 reg, u16 val)
++{
++ struct spi_message msg;
++ struct spi_transfer index_xfer = {
++ .len = 3,
++ .cs_change = 1,
++ };
++ struct spi_transfer value_xfer = {
++ .len = 3,
++ };
++
++ spi_message_init(&msg);
++
++ /* register index */
++ lcd->buffer[0] = LTV_OPC_INDEX;
++ lcd->buffer[1] = 0x00;
++ lcd->buffer[2] = reg & 0x7f;
++ index_xfer.tx_buf = lcd->buffer;
++ spi_message_add_tail(&index_xfer, &msg);
++
++ /* register value */
++ lcd->buffer[4] = LTV_OPC_DATA;
++ lcd->buffer[5] = val >> 8;
++ lcd->buffer[6] = val;
++ value_xfer.tx_buf = lcd->buffer + 4;
++ spi_message_add_tail(&value_xfer, &msg);
++
++ return spi_sync(lcd->spi, &msg);
++}
++
++/* The comments are taken straight from the data sheet */
++static int ltv350qv_power_on(struct ltv350qv *lcd)
++{
++ int ret;
++
++ /* Power On Reset Display off State */
++ if (ltv350qv_write_reg(lcd, LTV_PWRCTL1, 0x0000))
++ goto err;
++ msleep(15);
++
++ /* Power Setting Function 1 */
++ if (ltv350qv_write_reg(lcd, LTV_PWRCTL1, LTV_VCOM_DISABLE))
++ goto err;
++ if (ltv350qv_write_reg(lcd, LTV_PWRCTL2, LTV_VCOML_ENABLE))
++ goto err_power1;
++
++ /* Power Setting Function 2 */
++ if (ltv350qv_write_reg(lcd, LTV_PWRCTL1,
++ LTV_VCOM_DISABLE | LTV_DRIVE_CURRENT(5)
++ | LTV_SUPPLY_CURRENT(5)))
++ goto err_power2;
++
++ msleep(55);
++
++ /* Instruction Setting */
++ ret = ltv350qv_write_reg(lcd, LTV_IFCTL,
++ LTV_NMD | LTV_REV | LTV_NL(0x1d));
++ ret |= ltv350qv_write_reg(lcd, LTV_DATACTL,
++ LTV_DS_SAME | LTV_CHS_480
++ | LTV_DF_RGB | LTV_RGB_BGR);
++ ret |= ltv350qv_write_reg(lcd, LTV_ENTRY_MODE,
++ LTV_VSPL_ACTIVE_LOW
++ | LTV_HSPL_ACTIVE_LOW
++ | LTV_DPL_SAMPLE_RISING
++ | LTV_EPL_ACTIVE_LOW
++ | LTV_SS_RIGHT_TO_LEFT);
++ ret |= ltv350qv_write_reg(lcd, LTV_GATECTL1, LTV_CLW(3));
++ ret |= ltv350qv_write_reg(lcd, LTV_GATECTL2,
++ LTV_NW_INV_1LINE | LTV_FWI(3));
++ ret |= ltv350qv_write_reg(lcd, LTV_VBP, 0x000a);
++ ret |= ltv350qv_write_reg(lcd, LTV_HBP, 0x0021);
++ ret |= ltv350qv_write_reg(lcd, LTV_SOTCTL, LTV_SDT(3) | LTV_EQ(0));
++ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(0), 0x0103);
++ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(1), 0x0301);
++ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(2), 0x1f0f);
++ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(3), 0x1f0f);
++ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(4), 0x0707);
++ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(5), 0x0307);
++ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(6), 0x0707);
++ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(7), 0x0000);
++ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(8), 0x0004);
++ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(9), 0x0000);
++ if (ret)
++ goto err_settings;
++
++ /* Wait more than 2 frames */
++ msleep(20);
++
++ /* Display On Sequence */
++ ret = ltv350qv_write_reg(lcd, LTV_PWRCTL1,
++ LTV_VCOM_DISABLE | LTV_VCOMOUT_ENABLE
++ | LTV_POWER_ON | LTV_DRIVE_CURRENT(5)
++ | LTV_SUPPLY_CURRENT(5));
++ ret |= ltv350qv_write_reg(lcd, LTV_GATECTL2,
++ LTV_NW_INV_1LINE | LTV_DSC | LTV_FWI(3));
++ if (ret)
++ goto err_disp_on;
++
++ /* Display should now be ON. Phew. */
++ return 0;
++
++err_disp_on:
++ /*
++ * Try to recover. Error handling probably isn't very useful
++ * at this point, just make a best effort to switch the panel
++ * off.
++ */
++ ltv350qv_write_reg(lcd, LTV_PWRCTL1,
++ LTV_VCOM_DISABLE | LTV_DRIVE_CURRENT(5)
++ | LTV_SUPPLY_CURRENT(5));
++ ltv350qv_write_reg(lcd, LTV_GATECTL2,
++ LTV_NW_INV_1LINE | LTV_FWI(3));
++err_settings:
++err_power2:
++err_power1:
++ ltv350qv_write_reg(lcd, LTV_PWRCTL2, 0x0000);
++ msleep(1);
++err:
++ ltv350qv_write_reg(lcd, LTV_PWRCTL1, LTV_VCOM_DISABLE);
++ return -EIO;
++}
++
++static int ltv350qv_power_off(struct ltv350qv *lcd)
++{
++ int ret;
++
++ /* Display Off Sequence */
++ ret = ltv350qv_write_reg(lcd, LTV_PWRCTL1,
++ LTV_VCOM_DISABLE
++ | LTV_DRIVE_CURRENT(5)
++ | LTV_SUPPLY_CURRENT(5));
++ ret |= ltv350qv_write_reg(lcd, LTV_GATECTL2,
++ LTV_NW_INV_1LINE | LTV_FWI(3));
++
++ /* Power down setting 1 */
++ ret |= ltv350qv_write_reg(lcd, LTV_PWRCTL2, 0x0000);
++
++ /* Wait at least 1 ms */
++ msleep(1);
++
++ /* Power down setting 2 */
++ ret |= ltv350qv_write_reg(lcd, LTV_PWRCTL1, LTV_VCOM_DISABLE);
++
++ /*
++ * No point in trying to recover here. If we can't switch the
++ * panel off, what are we supposed to do other than inform the
++ * user about the failure?
++ */
++ if (ret)
++ return -EIO;
++
++ /* Display power should now be OFF */
++ return 0;
++}
++
++static int ltv350qv_power(struct ltv350qv *lcd, int power)
++{
++ int ret = 0;
++
++ if (POWER_IS_ON(power) && !POWER_IS_ON(lcd->power))
++ ret = ltv350qv_power_on(lcd);
++ else if (!POWER_IS_ON(power) && POWER_IS_ON(lcd->power))
++ ret = ltv350qv_power_off(lcd);
++
++ if (!ret)
++ lcd->power = power;
++
++ return ret;
++}
++
++static int ltv350qv_set_power(struct lcd_device *ld, int power)
++{
++ struct ltv350qv *lcd;
++
++ lcd = class_get_devdata(&ld->class_dev);
++ return ltv350qv_power(lcd, power);
++}
++
++static int ltv350qv_get_power(struct lcd_device *ld)
++{
++ struct ltv350qv *lcd;
++
++ lcd = class_get_devdata(&ld->class_dev);
++ return lcd->power;
++}
++
++static struct lcd_ops ltv_ops = {
++ .get_power = ltv350qv_get_power,
++ .set_power = ltv350qv_set_power,
++};
++
++static int __devinit ltv350qv_probe(struct spi_device *spi)
++{
++ struct ltv350qv *lcd;
++ struct lcd_device *ld;
++ int ret;
++
++ lcd = kzalloc(sizeof(struct ltv350qv), GFP_KERNEL);
++ if (!lcd)
++ return -ENOMEM;
++
++ lcd->spi = spi;
++ lcd->power = FB_BLANK_POWERDOWN;
++ lcd->buffer = kzalloc(8, GFP_KERNEL);
++
++ ld = lcd_device_register("ltv350qv", lcd, <v_ops);
++ if (IS_ERR(ld)) {
++ ret = PTR_ERR(ld);
++ goto out_free_lcd;
++ }
++ lcd->ld = ld;
++
++ ret = ltv350qv_power(lcd, FB_BLANK_UNBLANK);
++ if (ret)
++ goto out_unregister;
++
++ dev_set_drvdata(&spi->dev, lcd);
++
++ return 0;
++
++out_unregister:
++ lcd_device_unregister(ld);
++out_free_lcd:
++ kfree(lcd);
++ return ret;
++}
++
++static int __devexit ltv350qv_remove(struct spi_device *spi)
++{
++ struct ltv350qv *lcd = dev_get_drvdata(&spi->dev);
++
++ ltv350qv_power(lcd, FB_BLANK_POWERDOWN);
++ lcd_device_unregister(lcd->ld);
++ kfree(lcd);
++
++ return 0;
++}
++
++#ifdef CONFIG_PM
++static int ltv350qv_suspend(struct spi_device *spi,
++ pm_message_t state, u32 level)
++{
++ struct ltv350qv *lcd = dev_get_drvdata(&spi->dev);
++
++ if (level == SUSPEND_POWER_DOWN)
++ return ltv350qv_power(lcd, FB_BLANK_POWERDOWN);
++
++ return 0;
++}
++
++static int ltv350qv_resume(struct spi_device *spi, u32 level)
++{
++ struct ltv350qv *lcd = dev_get_drvdata(&spi->dev);
++
++ if (level == RESUME_POWER_ON)
++ return ltv350qv_power(lcd, FB_BLANK_UNBLANK);
++
++ return 0;
++}
++#else
++#define ltv350qv_suspend NULL
++#define ltv350qv_resume NULL
++#endif
++
++/* Power down all displays on reboot, poweroff or halt */
++static void ltv350qv_shutdown(struct spi_device *spi)
++{
++ struct ltv350qv *lcd = dev_get_drvdata(&spi->dev);
++
++ ltv350qv_power(lcd, FB_BLANK_POWERDOWN);
++}
++
++static struct spi_driver ltv350qv_driver = {
++ .driver = {
++ .name = "ltv350qv",
++ .bus = &spi_bus_type,
++ .owner = THIS_MODULE,
++ },
++
++ .probe = ltv350qv_probe,
++ .remove = __devexit_p(ltv350qv_remove),
++ .shutdown = ltv350qv_shutdown,
++ .suspend = ltv350qv_suspend,
++ .resume = ltv350qv_resume,
++};
++
++static int __init ltv350qv_init(void)
++{
++ return spi_register_driver(<v350qv_driver);
++}
++
++static void __exit ltv350qv_exit(void)
++{
++ spi_unregister_driver(<v350qv_driver);
++}
++module_init(ltv350qv_init);
++module_exit(ltv350qv_exit);
++
++MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>");
++MODULE_DESCRIPTION("Samsung LTV350QV LCD Driver");
++MODULE_LICENSE("GPL");
+diff --git a/drivers/video/backlight/ltv350qv.h b/drivers/video/backlight/ltv350qv.h
+new file mode 100644
+index 0000000..189112e
+--- /dev/null
++++ b/drivers/video/backlight/ltv350qv.h
+@@ -0,0 +1,95 @@
++/*
++ * Register definitions for Samsung LTV350QV Quarter VGA LCD Panel
++ *
++ * Copyright (C) 2006, 2007 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++#ifndef __LTV350QV_H
++#define __LTV350QV_H
++
++#define LTV_OPC_INDEX 0x74
++#define LTV_OPC_DATA 0x76
++
++#define LTV_ID 0x00 /* ID Read */
++#define LTV_IFCTL 0x01 /* Display Interface Control */
++#define LTV_DATACTL 0x02 /* Display Data Control */
++#define LTV_ENTRY_MODE 0x03 /* Entry Mode */
++#define LTV_GATECTL1 0x04 /* Gate Control 1 */
++#define LTV_GATECTL2 0x05 /* Gate Control 2 */
++#define LTV_VBP 0x06 /* Vertical Back Porch */
++#define LTV_HBP 0x07 /* Horizontal Back Porch */
++#define LTV_SOTCTL 0x08 /* Source Output Timing Control */
++#define LTV_PWRCTL1 0x09 /* Power Control 1 */
++#define LTV_PWRCTL2 0x0a /* Power Control 2 */
++#define LTV_GAMMA(x) (0x10 + (x)) /* Gamma control */
++
++/* Bit definitions for LTV_IFCTL */
++#define LTV_IM (1 << 15)
++#define LTV_NMD (1 << 14)
++#define LTV_SSMD (1 << 13)
++#define LTV_REV (1 << 7)
++#define LTV_NL(x) (((x) & 0x001f) << 0)
++
++/* Bit definitions for LTV_DATACTL */
++#define LTV_DS_SAME (0 << 12)
++#define LTV_DS_D_TO_S (1 << 12)
++#define LTV_DS_S_TO_D (2 << 12)
++#define LTV_CHS_384 (0 << 9)
++#define LTV_CHS_480 (1 << 9)
++#define LTV_CHS_492 (2 << 9)
++#define LTV_DF_RGB (0 << 6)
++#define LTV_DF_RGBX (1 << 6)
++#define LTV_DF_XRGB (2 << 6)
++#define LTV_RGB_RGB (0 << 2)
++#define LTV_RGB_BGR (1 << 2)
++#define LTV_RGB_GRB (2 << 2)
++#define LTV_RGB_RBG (3 << 2)
++
++/* Bit definitions for LTV_ENTRY_MODE */
++#define LTV_VSPL_ACTIVE_LOW (0 << 15)
++#define LTV_VSPL_ACTIVE_HIGH (1 << 15)
++#define LTV_HSPL_ACTIVE_LOW (0 << 14)
++#define LTV_HSPL_ACTIVE_HIGH (1 << 14)
++#define LTV_DPL_SAMPLE_RISING (0 << 13)
++#define LTV_DPL_SAMPLE_FALLING (1 << 13)
++#define LTV_EPL_ACTIVE_LOW (0 << 12)
++#define LTV_EPL_ACTIVE_HIGH (1 << 12)
++#define LTV_SS_LEFT_TO_RIGHT (0 << 8)
++#define LTV_SS_RIGHT_TO_LEFT (1 << 8)
++#define LTV_STB (1 << 1)
++
++/* Bit definitions for LTV_GATECTL1 */
++#define LTV_CLW(x) (((x) & 0x0007) << 12)
++#define LTV_GAON (1 << 5)
++#define LTV_SDR (1 << 3)
++
++/* Bit definitions for LTV_GATECTL2 */
++#define LTV_NW_INV_FRAME (0 << 14)
++#define LTV_NW_INV_1LINE (1 << 14)
++#define LTV_NW_INV_2LINE (2 << 14)
++#define LTV_DSC (1 << 12)
++#define LTV_GIF (1 << 8)
++#define LTV_FHN (1 << 7)
++#define LTV_FTI(x) (((x) & 0x0003) << 4)
++#define LTV_FWI(x) (((x) & 0x0003) << 0)
++
++/* Bit definitions for LTV_SOTCTL */
++#define LTV_SDT(x) (((x) & 0x0007) << 10)
++#define LTV_EQ(x) (((x) & 0x0007) << 2)
++
++/* Bit definitions for LTV_PWRCTL1 */
++#define LTV_VCOM_DISABLE (1 << 14)
++#define LTV_VCOMOUT_ENABLE (1 << 11)
++#define LTV_POWER_ON (1 << 9)
++#define LTV_DRIVE_CURRENT(x) (((x) & 0x0007) << 4) /* 0=off, 5=max */
++#define LTV_SUPPLY_CURRENT(x) (((x) & 0x0007) << 0) /* 0=off, 5=max */
++
++/* Bit definitions for LTV_PWRCTL2 */
++#define LTV_VCOML_ENABLE (1 << 13)
++#define LTV_VCOML_VOLTAGE(x) (((x) & 0x001f) << 8) /* 0=1V, 31=-1V */
++#define LTV_VCOMH_VOLTAGE(x) (((x) & 0x001f) << 0) /* 0=3V, 31=4.5V */
++
++#endif /* __LTV350QV_H */
+diff --git a/include/asm-arm/arch-at91/board.h b/include/asm-arm/arch-at91/board.h
+index 0ce6ee9..d96b10f 100644
+--- a/include/asm-arm/arch-at91/board.h
++++ b/include/asm-arm/arch-at91/board.h
+@@ -64,6 +64,7 @@ extern void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
+
+ /* Ethernet (EMAC & MACB) */
+ struct at91_eth_data {
++ u32 phy_mask;
+ u8 phy_irq_pin; /* PHY IRQ */
+ u8 is_rmii; /* using RMII interface? */
+ };
+diff --git a/include/asm-avr32/arch-at32ap/board.h b/include/asm-avr32/arch-at32ap/board.h
+index 9fd2e32..9b36eb8 100644
+--- a/include/asm-avr32/arch-at32ap/board.h
++++ b/include/asm-avr32/arch-at32ap/board.h
+@@ -6,6 +6,8 @@
+
+ #include <linux/types.h>
+
++#define GPIO_PIN_NONE (-1)
++
+ /* Add basic devices: system manager, interrupt controller, portmuxes, etc. */
+ void at32_add_system_devices(void);
+
+@@ -21,6 +23,7 @@ void at32_map_usart(unsigned int hw_id, unsigned int line);
+ struct platform_device *at32_add_device_usart(unsigned int id);
+
+ struct eth_platform_data {
++ u32 phy_mask;
+ u8 is_rmii;
+ };
+ struct platform_device *
+@@ -30,9 +33,41 @@ struct spi_board_info;
+ struct platform_device *
+ at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n);
+
++struct platform_device *at32_add_device_twi(unsigned int id);
++
++struct mci_platform_data {
++ int detect_pin;
++ int wp_pin;
++};
++struct platform_device *
++at32_add_device_mci(unsigned int id, struct mci_platform_data *data);
++
++struct usba_platform_data {
++ int vbus_pin;
++};
++struct platform_device *
++at32_add_device_usba(unsigned int id, struct usba_platform_data *data);
++
+ struct atmel_lcdfb_info;
+ struct platform_device *
+ at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data,
+ unsigned long fbmem_start, unsigned long fbmem_len);
+
++struct platform_device *at32_add_device_ac97c(unsigned int id);
++struct platform_device *at32_add_device_abdac(unsigned int id);
++
++/* depending on what's hooked up, not all SSC pins will be used */
++#define ATMEL_SSC_TK 0x01
++#define ATMEL_SSC_TF 0x02
++#define ATMEL_SSC_TD 0x04
++#define ATMEL_SSC_TX (ATMEL_SSC_TK | ATMEL_SSC_TF | ATMEL_SSC_TD)
++
++#define ATMEL_SSC_RK 0x10
++#define ATMEL_SSC_RF 0x20
++#define ATMEL_SSC_RD 0x40
++#define ATMEL_SSC_RX (ATMEL_SSC_RK | ATMEL_SSC_RF | ATMEL_SSC_RD)
++
++struct platform_device *
++at32_add_device_ssc(unsigned int id, unsigned int flags);
++
+ #endif /* __ASM_ARCH_BOARD_H */
+diff --git a/include/asm-avr32/arch-at32ap/portmux.h b/include/asm-avr32/arch-at32ap/portmux.h
+index 9930871..135e034 100644
+--- a/include/asm-avr32/arch-at32ap/portmux.h
++++ b/include/asm-avr32/arch-at32ap/portmux.h
+@@ -19,10 +19,23 @@
+ #define AT32_GPIOF_OUTPUT 0x00000002 /* (OUT) Enable output driver */
+ #define AT32_GPIOF_HIGH 0x00000004 /* (OUT) Set output high */
+ #define AT32_GPIOF_DEGLITCH 0x00000008 /* (IN) Filter glitches */
++#define AT32_GPIOF_MULTIDRV 0x00000010 /* Enable multidriver option */
+
+ void at32_select_periph(unsigned int pin, unsigned int periph,
+ unsigned long flags);
+ void at32_select_gpio(unsigned int pin, unsigned long flags);
+ void at32_reserve_pin(unsigned int pin);
+
++#ifdef CONFIG_GPIO_DEV
++
++/* Gang allocators and accessors; used by the GPIO /dev driver */
++int at32_gpio_port_is_valid(unsigned int port);
++int at32_select_gpio_pins(unsigned int port, u32 pins, u32 oe_mask);
++void at32_deselect_pins(unsigned int port, u32 pins);
++
++u32 at32_gpio_get_value_multiple(unsigned int port, u32 pins);
++void at32_gpio_set_value_multiple(unsigned int port, u32 value, u32 mask);
++
++#endif /* CONFIG_GPIO_DEV */
++
+ #endif /* __ASM_ARCH_PORTMUX_H__ */
+diff --git a/include/asm-avr32/arch-at32ap/sm.h b/include/asm-avr32/arch-at32ap/sm.h
+deleted file mode 100644
+index 265a9ea..0000000
+--- a/include/asm-avr32/arch-at32ap/sm.h
++++ /dev/null
+@@ -1,27 +0,0 @@
+-/*
+- * AT32 System Manager interface.
+- *
+- * Copyright (C) 2006 Atmel Corporation
+- *
+- * This program is free software; you can redistribute it and/or modify
+- * it under the terms of the GNU General Public License version 2 as
+- * published by the Free Software Foundation.
+- */
+-#ifndef __ASM_AVR32_AT32_SM_H__
+-#define __ASM_AVR32_AT32_SM_H__
+-
+-struct irq_chip;
+-struct platform_device;
+-
+-struct at32_sm {
+- spinlock_t lock;
+- void __iomem *regs;
+- struct irq_chip *eim_chip;
+- unsigned int eim_first_irq;
+- struct platform_device *pdev;
+-};
+-
+-extern struct platform_device at32_sm_device;
+-extern struct at32_sm system_manager;
+-
+-#endif /* __ASM_AVR32_AT32_SM_H__ */
+diff --git a/include/asm-avr32/dma-controller.h b/include/asm-avr32/dma-controller.h
+new file mode 100644
+index 0000000..56a4965
+--- /dev/null
++++ b/include/asm-avr32/dma-controller.h
+@@ -0,0 +1,166 @@
++/*
++ * Copyright (C) 2005-2006 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++#ifndef __ASM_AVR32_DMA_CONTROLLER_H
++#define __ASM_AVR32_DMA_CONTROLLER_H
++
++#include <linux/device.h>
++
++#define DMA_DIR_MEM_TO_MEM 0x0000
++#define DMA_DIR_MEM_TO_PERIPH 0x0001
++#define DMA_DIR_PERIPH_TO_MEM 0x0002
++#define DMA_DIR_PERIPH_TO_PERIPH 0x0003
++
++#define DMA_WIDTH_8BIT 0
++#define DMA_WIDTH_16BIT 1
++#define DMA_WIDTH_32BIT 2
++
++struct dma_request {
++ struct dma_controller *dmac;
++ struct list_head list;
++
++ unsigned short channel;
++
++ void (*xfer_complete)(struct dma_request *req);
++ void (*block_complete)(struct dma_request *req);
++ void (*error)(struct dma_request *req);
++};
++
++struct dma_request_sg {
++ struct dma_request req;
++
++ int nr_sg;
++ struct scatterlist *sg;
++ unsigned long block_size;
++ unsigned int nr_blocks;
++
++ dma_addr_t data_reg;
++ unsigned short periph_id;
++
++ unsigned char direction;
++ unsigned char width;
++};
++#define to_dma_request_sg(_req) \
++ container_of(_req, struct dma_request_sg, req)
++
++struct dma_request_cyclic {
++ struct dma_request req;
++
++ int periods;
++ unsigned long buffer_size;
++
++ dma_addr_t buffer_start;
++ dma_addr_t data_reg;
++
++ unsigned short periph_id;
++ unsigned char direction;
++ unsigned char width;
++
++ void *dev_id;
++};
++#define to_dma_request_cyclic(_req) \
++ container_of(_req, struct dma_request_cyclic, req)
++
++struct dma_request_memcpy {
++ struct dma_request req;
++
++ dma_addr_t src_addr;
++ unsigned int src_width;
++ unsigned int src_stride;
++
++ dma_addr_t dst_addr;
++ unsigned int dst_width;
++ unsigned int dst_stride;
++
++ size_t length;
++
++ unsigned short src_reverse:1;
++ unsigned short dst_reverse:1;
++};
++#define to_dma_request_memcpy(_req) \
++ container_of(_req, struct dma_request_memcpy, req)
++
++struct dma_controller {
++ struct list_head list;
++ int id;
++ struct device *dev;
++
++ int (*alloc_channel)(struct dma_controller *dmac);
++ void (*release_channel)(struct dma_controller *dmac,
++ int channel);
++ int (*prepare_request_sg)(struct dma_controller *dmac,
++ struct dma_request_sg *req);
++ int (*prepare_request_cyclic)(struct dma_controller *dmac,
++ struct dma_request_cyclic *req);
++ int (*prepare_request_memcpy)(struct dma_controller *dmac,
++ struct dma_request_memcpy *req);
++ int (*start_request)(struct dma_controller *dmac,
++ unsigned int channel);
++ int (*stop_request)(struct dma_controller *dmac,
++ unsigned int channel);
++ dma_addr_t (*get_current_pos)(struct dma_controller *dmac,
++ unsigned int channel);
++};
++
++static inline int
++dma_alloc_channel(struct dma_controller *dmac)
++{
++ return dmac->alloc_channel(dmac);
++}
++
++static inline void
++dma_release_channel(struct dma_controller *dmac, int chan)
++{
++ dmac->release_channel(dmac, chan);
++}
++
++static inline int
++dma_prepare_request_sg(struct dma_controller *dmac,
++ struct dma_request_sg *req)
++{
++ return dmac->prepare_request_sg(dmac, req);
++}
++
++static inline int
++dma_prepare_request_cyclic(struct dma_controller *dmac,
++ struct dma_request_cyclic *req)
++{
++ return dmac->prepare_request_cyclic(dmac, req);
++}
++
++static inline int
++dma_prepare_request_memcpy(struct dma_controller *dmac,
++ struct dma_request_memcpy *req)
++{
++ return dmac->prepare_request_memcpy(dmac, req);
++}
++
++static inline int
++dma_start_request(struct dma_controller *dmac,
++ unsigned int channel)
++{
++ return dmac->start_request(dmac, channel);
++}
++
++static inline int
++dma_stop_request(struct dma_controller *dmac,
++ unsigned int channel)
++{
++ return dmac->stop_request(dmac, channel);
++}
++
++static inline dma_addr_t
++dma_get_current_pos(struct dma_controller *dmac,
++ unsigned int channel)
++{
++ return dmac->get_current_pos(dmac, channel);
++}
++
++extern int register_dma_controller(struct dma_controller *dmac);
++extern struct dma_controller *find_dma_controller(int id);
++
++#endif /* __ASM_AVR32_DMA_CONTROLLER_H */
+diff --git a/include/asm-avr32/io.h b/include/asm-avr32/io.h
+index e30d4b3..64bb92b 100644
+--- a/include/asm-avr32/io.h
++++ b/include/asm-avr32/io.h
+@@ -255,6 +255,8 @@ static inline void memset_io(volatile void __iomem *addr, unsigned char val,
+ memset((void __force *)addr, val, count);
+ }
+
++#define mmiowb()
++
+ #define IO_SPACE_LIMIT 0xffffffff
+
+ extern void __iomem *__ioremap(unsigned long offset, size_t size,
+diff --git a/include/asm-avr32/pgalloc.h b/include/asm-avr32/pgalloc.h
+index bb82e70..0e680f4 100644
+--- a/include/asm-avr32/pgalloc.h
++++ b/include/asm-avr32/pgalloc.h
+@@ -27,13 +27,7 @@ static __inline__ void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
+ */
+ static __inline__ pgd_t *pgd_alloc(struct mm_struct *mm)
+ {
+- unsigned int pgd_size = (USER_PTRS_PER_PGD * sizeof(pgd_t));
+- pgd_t *pgd = kmalloc(pgd_size, GFP_KERNEL);
+-
+- if (pgd)
+- memset(pgd, 0, pgd_size);
+-
+- return pgd;
++ return kcalloc(USER_PTRS_PER_PGD, sizeof(pgd_t), GFP_KERNEL);
+ }
+
+ static inline void pgd_free(pgd_t *pgd)
+@@ -44,18 +38,9 @@ static inline void pgd_free(pgd_t *pgd)
+ static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
+ unsigned long address)
+ {
+- int count = 0;
+ pte_t *pte;
+
+- do {
+- pte = (pte_t *) __get_free_page(GFP_KERNEL | __GFP_REPEAT);
+- if (pte)
+- clear_page(pte);
+- else {
+- current->state = TASK_UNINTERRUPTIBLE;
+- schedule_timeout(HZ);
+- }
+- } while (!pte && (count++ < 10));
++ pte = (pte_t *)get_zeroed_page(GFP_KERNEL | __GFP_REPEAT);
+
+ return pte;
+ }
+@@ -63,18 +48,9 @@ static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
+ static inline struct page *pte_alloc_one(struct mm_struct *mm,
+ unsigned long address)
+ {
+- int count = 0;
+ struct page *pte;
+
+- do {
+- pte = alloc_pages(GFP_KERNEL, 0);
+- if (pte)
+- clear_page(page_address(pte));
+- else {
+- current->state = TASK_UNINTERRUPTIBLE;
+- schedule_timeout(HZ);
+- }
+- } while (!pte && (count++ < 10));
++ pte = alloc_page(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO);
+
+ return pte;
+ }
+diff --git a/include/asm-avr32/pgtable.h b/include/asm-avr32/pgtable.h
+index f6cc2b0..66e58d7 100644
+--- a/include/asm-avr32/pgtable.h
++++ b/include/asm-avr32/pgtable.h
+@@ -32,8 +32,6 @@
+ #define USER_PTRS_PER_PGD (TASK_SIZE / PGDIR_SIZE)
+ #define FIRST_USER_ADDRESS 0
+
+-#define PTE_PHYS_MASK 0x1ffff000
+-
+ #ifndef __ASSEMBLY__
+ extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
+ extern void paging_init(void);
+@@ -293,7 +291,7 @@ static inline pte_t pte_mkyoung(pte_t pte)
+ * trivial.
+ */
+ #define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT))
+-#define pte_page(x) phys_to_page(pte_val(x) & PTE_PHYS_MASK)
++#define pte_page(x) (pfn_to_page(pte_pfn(x)))
+
+ /*
+ * Mark the prot value as uncacheable and unbufferable
+diff --git a/include/asm-avr32/unaligned.h b/include/asm-avr32/unaligned.h
+index 3042723..36f5fd4 100644
+--- a/include/asm-avr32/unaligned.h
++++ b/include/asm-avr32/unaligned.h
+@@ -7,19 +7,10 @@
+ * words, but halfwords must be halfword-aligned, and doublewords must
+ * be word-aligned.
+ *
+- * TODO: Make all this CPU-specific and optimize.
++ * However, swapped word loads must be word-aligned so we can't
++ * optimize word loads in general.
+ */
+
+-#include <linux/string.h>
+-
+-/* Use memmove here, so gcc does not insert a __builtin_memcpy. */
+-
+-#define get_unaligned(ptr) \
+- ({ __typeof__(*(ptr)) __tmp; memmove(&__tmp, (ptr), sizeof(*(ptr))); __tmp; })
+-
+-#define put_unaligned(val, ptr) \
+- ({ __typeof__(*(ptr)) __tmp = (val); \
+- memmove((ptr), &__tmp, sizeof(*(ptr))); \
+- (void)0; })
++#include <asm-generic/unaligned.h>
+
+ #endif /* __ASM_AVR32_UNALIGNED_H */
+diff --git a/include/linux/atmel-ssc.h b/include/linux/atmel-ssc.h
+new file mode 100644
+index 0000000..0602339
+--- /dev/null
++++ b/include/linux/atmel-ssc.h
+@@ -0,0 +1,312 @@
++#ifndef __INCLUDE_ATMEL_SSC_H
++#define __INCLUDE_ATMEL_SSC_H
++
++#include <linux/platform_device.h>
++#include <linux/list.h>
++
++struct ssc_device {
++ struct list_head list;
++ void __iomem *regs;
++ struct platform_device *pdev;
++ struct clk *clk;
++ int user;
++ int irq;
++};
++
++struct ssc_device * __must_check ssc_request(unsigned int ssc_num);
++void ssc_free(struct ssc_device *ssc);
++
++/* SSC register offsets */
++
++/* SSC Control Register */
++#define SSC_CR 0x00000000
++#define SSC_CR_RXDIS_SIZE 1
++#define SSC_CR_RXDIS_OFFSET 1
++#define SSC_CR_RXEN_SIZE 1
++#define SSC_CR_RXEN_OFFSET 0
++#define SSC_CR_SWRST_SIZE 1
++#define SSC_CR_SWRST_OFFSET 15
++#define SSC_CR_TXDIS_SIZE 1
++#define SSC_CR_TXDIS_OFFSET 9
++#define SSC_CR_TXEN_SIZE 1
++#define SSC_CR_TXEN_OFFSET 8
++
++/* SSC Clock Mode Register */
++#define SSC_CMR 0x00000004
++#define SSC_CMR_DIV_SIZE 12
++#define SSC_CMR_DIV_OFFSET 0
++
++/* SSC Receive Clock Mode Register */
++#define SSC_RCMR 0x00000010
++#define SSC_RCMR_CKG_SIZE 2
++#define SSC_RCMR_CKG_OFFSET 6
++#define SSC_RCMR_CKI_SIZE 1
++#define SSC_RCMR_CKI_OFFSET 5
++#define SSC_RCMR_CKO_SIZE 3
++#define SSC_RCMR_CKO_OFFSET 2
++#define SSC_RCMR_CKS_SIZE 2
++#define SSC_RCMR_CKS_OFFSET 0
++#define SSC_RCMR_PERIOD_SIZE 8
++#define SSC_RCMR_PERIOD_OFFSET 24
++#define SSC_RCMR_START_SIZE 4
++#define SSC_RCMR_START_OFFSET 8
++#define SSC_RCMR_STOP_SIZE 1
++#define SSC_RCMR_STOP_OFFSET 12
++#define SSC_RCMR_STTDLY_SIZE 8
++#define SSC_RCMR_STTDLY_OFFSET 16
++
++/* SSC Receive Frame Mode Register */
++#define SSC_RFMR 0x00000014
++#define SSC_RFMR_DATLEN_SIZE 5
++#define SSC_RFMR_DATLEN_OFFSET 0
++#define SSC_RFMR_DATNB_SIZE 4
++#define SSC_RFMR_DATNB_OFFSET 8
++#define SSC_RFMR_FSEDGE_SIZE 1
++#define SSC_RFMR_FSEDGE_OFFSET 24
++#define SSC_RFMR_FSLEN_SIZE 4
++#define SSC_RFMR_FSLEN_OFFSET 16
++#define SSC_RFMR_FSOS_SIZE 4
++#define SSC_RFMR_FSOS_OFFSET 20
++#define SSC_RFMR_LOOP_SIZE 1
++#define SSC_RFMR_LOOP_OFFSET 5
++#define SSC_RFMR_MSBF_SIZE 1
++#define SSC_RFMR_MSBF_OFFSET 7
++
++/* SSC Transmit Clock Mode Register */
++#define SSC_TCMR 0x00000018
++#define SSC_TCMR_CKG_SIZE 2
++#define SSC_TCMR_CKG_OFFSET 6
++#define SSC_TCMR_CKI_SIZE 1
++#define SSC_TCMR_CKI_OFFSET 5
++#define SSC_TCMR_CKO_SIZE 3
++#define SSC_TCMR_CKO_OFFSET 2
++#define SSC_TCMR_CKS_SIZE 2
++#define SSC_TCMR_CKS_OFFSET 0
++#define SSC_TCMR_PERIOD_SIZE 8
++#define SSC_TCMR_PERIOD_OFFSET 24
++#define SSC_TCMR_START_SIZE 4
++#define SSC_TCMR_START_OFFSET 8
++#define SSC_TCMR_STTDLY_SIZE 8
++#define SSC_TCMR_STTDLY_OFFSET 16
++
++/* SSC Transmit Frame Mode Register */
++#define SSC_TFMR 0x0000001c
++#define SSC_TFMR_DATDEF_SIZE 1
++#define SSC_TFMR_DATDEF_OFFSET 5
++#define SSC_TFMR_DATLEN_SIZE 5
++#define SSC_TFMR_DATLEN_OFFSET 0
++#define SSC_TFMR_DATNB_SIZE 4
++#define SSC_TFMR_DATNB_OFFSET 8
++#define SSC_TFMR_FSDEN_SIZE 1
++#define SSC_TFMR_FSDEN_OFFSET 23
++#define SSC_TFMR_FSEDGE_SIZE 1
++#define SSC_TFMR_FSEDGE_OFFSET 24
++#define SSC_TFMR_FSLEN_SIZE 4
++#define SSC_TFMR_FSLEN_OFFSET 16
++#define SSC_TFMR_FSOS_SIZE 3
++#define SSC_TFMR_FSOS_OFFSET 20
++#define SSC_TFMR_MSBF_SIZE 1
++#define SSC_TFMR_MSBF_OFFSET 7
++
++/* SSC Receive Hold Register */
++#define SSC_RHR 0x00000020
++#define SSC_RHR_RDAT_SIZE 32
++#define SSC_RHR_RDAT_OFFSET 0
++
++/* SSC Transmit Hold Register */
++#define SSC_THR 0x00000024
++#define SSC_THR_TDAT_SIZE 32
++#define SSC_THR_TDAT_OFFSET 0
++
++/* SSC Receive Sync. Holding Register */
++#define SSC_RSHR 0x00000030
++#define SSC_RSHR_RSDAT_SIZE 16
++#define SSC_RSHR_RSDAT_OFFSET 0
++
++/* SSC Transmit Sync. Holding Register */
++#define SSC_TSHR 0x00000034
++#define SSC_TSHR_TSDAT_SIZE 16
++#define SSC_TSHR_RSDAT_OFFSET 0
++
++/* SSC Receive Compare 0 Register */
++#define SSC_RC0R 0x00000038
++#define SSC_RC0R_CP0_SIZE 16
++#define SSC_RC0R_CP0_OFFSET 0
++
++/* SSC Receive Compare 1 Register */
++#define SSC_RC1R 0x0000003c
++#define SSC_RC1R_CP1_SIZE 16
++#define SSC_RC1R_CP1_OFFSET 0
++
++/* SSC Status Register */
++#define SSC_SR 0x00000040
++#define SSC_SR_CP0_SIZE 1
++#define SSC_SR_CP0_OFFSET 8
++#define SSC_SR_CP1_SIZE 1
++#define SSC_SR_CP1_OFFSET 9
++#define SSC_SR_ENDRX_SIZE 1
++#define SSC_SR_ENDRX_OFFSET 6
++#define SSC_SR_ENDTX_SIZE 1
++#define SSC_SR_ENDTX_OFFSET 2
++#define SSC_SR_OVRUN_SIZE 1
++#define SSC_SR_OVRUN_OFFSET 5
++#define SSC_SR_RXBUFF_SIZE 1
++#define SSC_SR_RXBUFF_OFFSET 7
++#define SSC_SR_RXEN_SIZE 1
++#define SSC_SR_RXEN_OFFSET 17
++#define SSC_SR_RXRDY_SIZE 1
++#define SSC_SR_RXRDY_OFFSET 4
++#define SSC_SR_RXSYN_SIZE 1
++#define SSC_SR_RXSYN_OFFSET 11
++#define SSC_SR_TXBUFE_SIZE 1
++#define SSC_SR_TXBUFE_OFFSET 3
++#define SSC_SR_TXEMPTY_SIZE 1
++#define SSC_SR_TXEMPTY_OFFSET 1
++#define SSC_SR_TXEN_SIZE 1
++#define SSC_SR_TXEN_OFFSET 16
++#define SSC_SR_TXRDY_SIZE 1
++#define SSC_SR_TXRDY_OFFSET 0
++#define SSC_SR_TXSYN_SIZE 1
++#define SSC_SR_TXSYN_OFFSET 10
++
++/* SSC Interrupt Enable Register */
++#define SSC_IER 0x00000044
++#define SSC_IER_CP0_SIZE 1
++#define SSC_IER_CP0_OFFSET 8
++#define SSC_IER_CP1_SIZE 1
++#define SSC_IER_CP1_OFFSET 9
++#define SSC_IER_ENDRX_SIZE 1
++#define SSC_IER_ENDRX_OFFSET 6
++#define SSC_IER_ENDTX_SIZE 1
++#define SSC_IER_ENDTX_OFFSET 2
++#define SSC_IER_OVRUN_SIZE 1
++#define SSC_IER_OVRUN_OFFSET 5
++#define SSC_IER_RXBUFF_SIZE 1
++#define SSC_IER_RXBUFF_OFFSET 7
++#define SSC_IER_RXRDY_SIZE 1
++#define SSC_IER_RXRDY_OFFSET 4
++#define SSC_IER_RXSYN_SIZE 1
++#define SSC_IER_RXSYN_OFFSET 11
++#define SSC_IER_TXBUFE_SIZE 1
++#define SSC_IER_TXBUFE_OFFSET 3
++#define SSC_IER_TXEMPTY_SIZE 1
++#define SSC_IER_TXEMPTY_OFFSET 1
++#define SSC_IER_TXRDY_SIZE 1
++#define SSC_IER_TXRDY_OFFSET 0
++#define SSC_IER_TXSYN_SIZE 1
++#define SSC_IER_TXSYN_OFFSET 10
++
++/* SSC Interrupt Disable Register */
++#define SSC_IDR 0x00000048
++#define SSC_IDR_CP0_SIZE 1
++#define SSC_IDR_CP0_OFFSET 8
++#define SSC_IDR_CP1_SIZE 1
++#define SSC_IDR_CP1_OFFSET 9
++#define SSC_IDR_ENDRX_SIZE 1
++#define SSC_IDR_ENDRX_OFFSET 6
++#define SSC_IDR_ENDTX_SIZE 1
++#define SSC_IDR_ENDTX_OFFSET 2
++#define SSC_IDR_OVRUN_SIZE 1
++#define SSC_IDR_OVRUN_OFFSET 5
++#define SSC_IDR_RXBUFF_SIZE 1
++#define SSC_IDR_RXBUFF_OFFSET 7
++#define SSC_IDR_RXRDY_SIZE 1
++#define SSC_IDR_RXRDY_OFFSET 4
++#define SSC_IDR_RXSYN_SIZE 1
++#define SSC_IDR_RXSYN_OFFSET 11
++#define SSC_IDR_TXBUFE_SIZE 1
++#define SSC_IDR_TXBUFE_OFFSET 3
++#define SSC_IDR_TXEMPTY_SIZE 1
++#define SSC_IDR_TXEMPTY_OFFSET 1
++#define SSC_IDR_TXRDY_SIZE 1
++#define SSC_IDR_TXRDY_OFFSET 0
++#define SSC_IDR_TXSYN_SIZE 1
++#define SSC_IDR_TXSYN_OFFSET 10
++
++/* SSC Interrupt Mask Register */
++#define SSC_IMR 0x0000004c
++#define SSC_IMR_CP0_SIZE 1
++#define SSC_IMR_CP0_OFFSET 8
++#define SSC_IMR_CP1_SIZE 1
++#define SSC_IMR_CP1_OFFSET 9
++#define SSC_IMR_ENDRX_SIZE 1
++#define SSC_IMR_ENDRX_OFFSET 6
++#define SSC_IMR_ENDTX_SIZE 1
++#define SSC_IMR_ENDTX_OFFSET 2
++#define SSC_IMR_OVRUN_SIZE 1
++#define SSC_IMR_OVRUN_OFFSET 5
++#define SSC_IMR_RXBUFF_SIZE 1
++#define SSC_IMR_RXBUFF_OFFSET 7
++#define SSC_IMR_RXRDY_SIZE 1
++#define SSC_IMR_RXRDY_OFFSET 4
++#define SSC_IMR_RXSYN_SIZE 1
++#define SSC_IMR_RXSYN_OFFSET 11
++#define SSC_IMR_TXBUFE_SIZE 1
++#define SSC_IMR_TXBUFE_OFFSET 3
++#define SSC_IMR_TXEMPTY_SIZE 1
++#define SSC_IMR_TXEMPTY_OFFSET 1
++#define SSC_IMR_TXRDY_SIZE 1
++#define SSC_IMR_TXRDY_OFFSET 0
++#define SSC_IMR_TXSYN_SIZE 1
++#define SSC_IMR_TXSYN_OFFSET 10
++
++/* SSC PDC Receive Pointer Register */
++#define SSC_PDC_RPR 0x00000100
++
++/* SSC PDC Receive Counter Register */
++#define SSC_PDC_RCR 0x00000104
++
++/* SSC PDC Transmit Pointer Register */
++#define SSC_PDC_TPR 0x00000108
++
++/* SSC PDC Receive Next Pointer Register */
++#define SSC_PDC_RNPR 0x00000110
++
++/* SSC PDC Receive Next Counter Register */
++#define SSC_PDC_RNCR 0x00000114
++
++/* SSC PDC Transmit Counter Register */
++#define SSC_PDC_TCR 0x0000010c
++
++/* SSC PDC Transmit Next Pointer Register */
++#define SSC_PDC_TNPR 0x00000118
++
++/* SSC PDC Transmit Next Counter Register */
++#define SSC_PDC_TNCR 0x0000011c
++
++/* SSC PDC Transfer Control Register */
++#define SSC_PDC_PTCR 0x00000120
++#define SSC_PDC_PTCR_RXTDIS_SIZE 1
++#define SSC_PDC_PTCR_RXTDIS_OFFSET 1
++#define SSC_PDC_PTCR_RXTEN_SIZE 1
++#define SSC_PDC_PTCR_RXTEN_OFFSET 0
++#define SSC_PDC_PTCR_TXTDIS_SIZE 1
++#define SSC_PDC_PTCR_TXTDIS_OFFSET 9
++#define SSC_PDC_PTCR_TXTEN_SIZE 1
++#define SSC_PDC_PTCR_TXTEN_OFFSET 8
++
++/* SSC PDC Transfer Status Register */
++#define SSC_PDC_PTSR 0x00000124
++#define SSC_PDC_PTSR_RXTEN_SIZE 1
++#define SSC_PDC_PTSR_RXTEN_OFFSET 0
++#define SSC_PDC_PTSR_TXTEN_SIZE 1
++#define SSC_PDC_PTSR_TXTEN_OFFSET 8
++
++/* Bit manipulation macros */
++#define SSC_BIT(name) \
++ (1 << SSC_##name##_OFFSET)
++#define SSC_BF(name, value) \
++ (((value) & ((1 << SSC_##name##_SIZE) - 1)) \
++ << SSC_##name##_OFFSET)
++#define SSC_BFEXT(name, value) \
++ (((value) >> SSC_##name##_OFFSET) \
++ & ((1 << SSC_##name##_SIZE) - 1))
++#define SSC_BFINS(name, value, old) \
++ (((old) & ~(((1 << SSC_##name##_SIZE) - 1) \
++ << SSC_##name##_OFFSET)) | SSC_BF(name, value))
++
++/* Register access macros */
++#define ssc_readl(base, reg) __raw_readl(base + SSC_##reg)
++#define ssc_writel(base, reg, value) __raw_writel((value), base + SSC_##reg)
++
++#endif /* __INCLUDE_ATMEL_SSC_H */
+diff --git a/include/linux/gpio_mouse.h b/include/linux/gpio_mouse.h
+new file mode 100644
+index 0000000..44ed7aa
+--- /dev/null
++++ b/include/linux/gpio_mouse.h
+@@ -0,0 +1,61 @@
++/*
++ * Driver for simulating a mouse on GPIO lines.
++ *
++ * Copyright (C) 2007 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++
++#ifndef _GPIO_MOUSE_H
++#define _GPIO_MOUSE_H
++
++#define GPIO_MOUSE_POLARITY_ACT_HIGH 0x00
++#define GPIO_MOUSE_POLARITY_ACT_LOW 0x01
++
++#define GPIO_MOUSE_PIN_UP 0
++#define GPIO_MOUSE_PIN_DOWN 1
++#define GPIO_MOUSE_PIN_LEFT 2
++#define GPIO_MOUSE_PIN_RIGHT 3
++#define GPIO_MOUSE_PIN_BLEFT 4
++#define GPIO_MOUSE_PIN_BMIDDLE 5
++#define GPIO_MOUSE_PIN_BRIGHT 6
++#define GPIO_MOUSE_PIN_MAX 7
++
++/**
++ * struct gpio_mouse_platform_data
++ * @scan_ms: integer in ms specifying the scan periode.
++ * @polarity: Pin polarity, active high or low.
++ * @up: GPIO line for up value.
++ * @down: GPIO line for down value.
++ * @left: GPIO line for left value.
++ * @right: GPIO line for right value.
++ * @bleft: GPIO line for left button.
++ * @bmiddle: GPIO line for middle button.
++ * @bright: GPIO line for right button.
++ *
++ * This struct must be added to the platform_device in the board code.
++ * It is used by the gpio_mouse driver to setup GPIO lines and to
++ * calculate mouse movement.
++ */
++struct gpio_mouse_platform_data {
++ int scan_ms;
++ int polarity;
++
++ union {
++ struct {
++ int up;
++ int down;
++ int left;
++ int right;
++
++ int bleft;
++ int bmiddle;
++ int bright;
++ };
++ int pins[GPIO_MOUSE_PIN_MAX];
++ };
++};
++
++#endif /* _GPIO_MOUSE_H */
+diff --git a/include/linux/leds.h b/include/linux/leds.h
+index 88afcef..059abfe 100644
+--- a/include/linux/leds.h
++++ b/include/linux/leds.h
+@@ -110,4 +110,18 @@ extern void ledtrig_ide_activity(void);
+ #define ledtrig_ide_activity() do {} while(0)
+ #endif
+
++/* For the leds-gpio driver */
++struct gpio_led {
++ const char *name;
++ char *default_trigger;
++ unsigned gpio;
++ u8 active_low;
++};
++
++struct gpio_led_platform_data {
++ int num_leds;
++ struct gpio_led *leds;
++};
++
++
+ #endif /* __LINUX_LEDS_H_INCLUDED */
+diff --git a/include/linux/spi/at73c213.h b/include/linux/spi/at73c213.h
+new file mode 100644
+index 0000000..0f20a70
+--- /dev/null
++++ b/include/linux/spi/at73c213.h
+@@ -0,0 +1,25 @@
++/*
++ * Board-specific data used to set up AT73c213 audio DAC driver.
++ */
++
++#ifndef __LINUX_SPI_AT73C213_H
++#define __LINUX_SPI_AT73C213_H
++
++/**
++ * at73c213_board_info - how the external DAC is wired to the device.
++ *
++ * @ssc_id: SSC platform_driver id the DAC shall use to stream the audio.
++ * @dac_clk: the external clock used to provide master clock to the DAC.
++ * @shortname: a short discription for the DAC, seen by userspace tools.
++ *
++ * This struct contains the configuration of the hardware connection to the
++ * external DAC. The DAC needs a master clock and a I2S audio stream. It also
++ * provides a name which is used to identify it in userspace tools.
++ */
++struct at73c213_board_info {
++ int ssc_id;
++ struct clk *dac_clk;
++ char shortname[32];
++};
++
++#endif /* __LINUX_SPI_AT73C213_H */
+diff --git a/include/linux/usb/Kbuild b/include/linux/usb/Kbuild
+index 43f160c..6ce42bf 100644
+--- a/include/linux/usb/Kbuild
++++ b/include/linux/usb/Kbuild
+@@ -1,5 +1,6 @@
+ unifdef-y += audio.h
+ unifdef-y += cdc.h
+ unifdef-y += ch9.h
++unifdef-y += gadgetfs.h
+ unifdef-y += midi.h
+
+diff --git a/include/linux/usb/gadgetfs.h b/include/linux/usb/gadgetfs.h
+new file mode 100644
+index 0000000..e8654c3
+--- /dev/null
++++ b/include/linux/usb/gadgetfs.h
+@@ -0,0 +1,81 @@
++#ifndef __LINUX_USB_GADGETFS_H
++#define __LINUX_USB_GADGETFS_H
++
++#include <asm/types.h>
++#include <asm/ioctl.h>
++
++#include <linux/usb/ch9.h>
++
++/*
++ * Filesystem based user-mode API to USB Gadget controller hardware
++ *
++ * Other than ep0 operations, most things are done by read() and write()
++ * on endpoint files found in one directory. They are configured by
++ * writing descriptors, and then may be used for normal stream style
++ * i/o requests. When ep0 is configured, the device can enumerate;
++ * when it's closed, the device disconnects from usb. Operations on
++ * ep0 require ioctl() operations.
++ *
++ * Configuration and device descriptors get written to /dev/gadget/$CHIP,
++ * which may then be used to read usb_gadgetfs_event structs. The driver
++ * may activate endpoints as it handles SET_CONFIGURATION setup events,
++ * or earlier; writing endpoint descriptors to /dev/gadget/$ENDPOINT
++ * then performing data transfers by reading or writing.
++ */
++
++/*
++ * Events are delivered on the ep0 file descriptor, when the user mode driver
++ * reads from this file descriptor after writing the descriptors. Don't
++ * stop polling this descriptor.
++ */
++
++enum usb_gadgetfs_event_type {
++ GADGETFS_NOP = 0,
++
++ GADGETFS_CONNECT,
++ GADGETFS_DISCONNECT,
++ GADGETFS_SETUP,
++ GADGETFS_SUSPEND,
++ // and likely more !
++};
++
++/* NOTE: this structure must stay the same size and layout on
++ * both 32-bit and 64-bit kernels.
++ */
++struct usb_gadgetfs_event {
++ union {
++ // NOP, DISCONNECT, SUSPEND: nothing
++ // ... some hardware can't report disconnection
++
++ // CONNECT: just the speed
++ enum usb_device_speed speed;
++
++ // SETUP: packet; DATA phase i/o precedes next event
++ // (setup.bmRequestType & USB_DIR_IN) flags direction
++ // ... includes SET_CONFIGURATION, SET_INTERFACE
++ struct usb_ctrlrequest setup;
++ } u;
++ enum usb_gadgetfs_event_type type;
++};
++
++
++/* endpoint ioctls */
++
++/* IN transfers may be reported to the gadget driver as complete
++ * when the fifo is loaded, before the host reads the data;
++ * OUT transfers may be reported to the host's "client" driver as
++ * complete when they're sitting in the FIFO unread.
++ * THIS returns how many bytes are "unclaimed" in the endpoint fifo
++ * (needed for precise fault handling, when the hardware allows it)
++ */
++#define GADGETFS_FIFO_STATUS _IO('g',1)
++
++/* discards any unclaimed data in the fifo. */
++#define GADGETFS_FIFO_FLUSH _IO('g',2)
++
++/* resets endpoint halt+toggle; used to implement set_interface.
++ * some hardware (like pxa2xx) can't support this.
++ */
++#define GADGETFS_CLEAR_HALT _IO('g',3)
++
++#endif /* __LINUX_USB_GADGETFS_H */
+diff --git a/include/linux/usb_gadgetfs.h b/include/linux/usb_gadgetfs.h
+deleted file mode 100644
+index 8086d5a..0000000
+--- a/include/linux/usb_gadgetfs.h
++++ /dev/null
+@@ -1,75 +0,0 @@
+-
+-#include <asm/types.h>
+-#include <asm/ioctl.h>
+-
+-#include <linux/usb/ch9.h>
+-
+-/*
+- * Filesystem based user-mode API to USB Gadget controller hardware
+- *
+- * Almost everything can be done with only read and write operations,
+- * on endpoint files found in one directory. They are configured by
+- * writing descriptors, and then may be used for normal stream style
+- * i/o requests. When ep0 is configured, the device can enumerate;
+- * when it's closed, the device disconnects from usb.
+- *
+- * Configuration and device descriptors get written to /dev/gadget/$CHIP,
+- * which may then be used to read usb_gadgetfs_event structs. The driver
+- * may activate endpoints as it handles SET_CONFIGURATION setup events,
+- * or earlier; writing endpoint descriptors to /dev/gadget/$ENDPOINT
+- * then performing data transfers by reading or writing.
+- */
+-
+-/*
+- * Events are delivered on the ep0 file descriptor, if the user mode driver
+- * reads from this file descriptor after writing the descriptors. Don't
+- * stop polling this descriptor, if you write that kind of driver.
+- */
+-
+-enum usb_gadgetfs_event_type {
+- GADGETFS_NOP = 0,
+-
+- GADGETFS_CONNECT,
+- GADGETFS_DISCONNECT,
+- GADGETFS_SETUP,
+- GADGETFS_SUSPEND,
+- // and likely more !
+-};
+-
+-struct usb_gadgetfs_event {
+- enum usb_gadgetfs_event_type type;
+- union {
+- // NOP, DISCONNECT, SUSPEND: nothing
+- // ... some hardware can't report disconnection
+-
+- // CONNECT: just the speed
+- enum usb_device_speed speed;
+-
+- // SETUP: packet; DATA phase i/o precedes next event
+- // (setup.bmRequestType & USB_DIR_IN) flags direction
+- // ... includes SET_CONFIGURATION, SET_INTERFACE
+- struct usb_ctrlrequest setup;
+- } u;
+-};
+-
+-
+-/* endpoint ioctls */
+-
+-/* IN transfers may be reported to the gadget driver as complete
+- * when the fifo is loaded, before the host reads the data;
+- * OUT transfers may be reported to the host's "client" driver as
+- * complete when they're sitting in the FIFO unread.
+- * THIS returns how many bytes are "unclaimed" in the endpoint fifo
+- * (needed for precise fault handling, when the hardware allows it)
+- */
+-#define GADGETFS_FIFO_STATUS _IO('g',1)
+-
+-/* discards any unclaimed data in the fifo. */
+-#define GADGETFS_FIFO_FLUSH _IO('g',2)
+-
+-/* resets endpoint halt+toggle; used to implement set_interface.
+- * some hardware (like pxa2xx) can't support this.
+- */
+-#define GADGETFS_CLEAR_HALT _IO('g',3)
+-
+-
+diff --git a/init/do_mounts.c b/init/do_mounts.c
+index 46fe407..efc134c 100644
+--- a/init/do_mounts.c
++++ b/init/do_mounts.c
+@@ -25,6 +25,7 @@ int __initdata rd_doload; /* 1 = load RAM disk, 0 = don't load */
+ int root_mountflags = MS_RDONLY | MS_SILENT;
+ char * __initdata root_device_name;
+ static char __initdata saved_root_name[64];
++int __initdata root_wait;
+
+ dev_t ROOT_DEV;
+
+@@ -216,6 +217,14 @@ static int __init root_dev_setup(char *line)
+
+ __setup("root=", root_dev_setup);
+
++static int __init rootwait_setup(char *line)
++{
++ root_wait = simple_strtol(line,NULL,0);
++ return 1;
++}
++
++__setup("rootwait=", rootwait_setup);
++
+ static char * __initdata root_mount_data;
+ static int __init root_data_setup(char *str)
+ {
+@@ -438,11 +447,24 @@ void __init prepare_namespace(void)
+ root_device_name += 5;
+ }
+
+- is_floppy = MAJOR(ROOT_DEV) == FLOPPY_MAJOR;
+-
+ if (initrd_load())
+ goto out;
+
++ /* wait for any asynchronous scanning to complete */
++ if ((ROOT_DEV == 0) && root_wait) {
++ printk(KERN_INFO "Waiting for root device %s...\n",
++ saved_root_name);
++ do {
++ while (driver_probe_done() != 0)
++ msleep(100);
++ ROOT_DEV = name_to_dev_t(saved_root_name);
++ if (ROOT_DEV == 0)
++ msleep(100);
++ } while (ROOT_DEV == 0);
++ }
++
++ is_floppy = MAJOR(ROOT_DEV) == FLOPPY_MAJOR;
++
+ if (is_floppy && rd_doload && rd_load_disk(0))
+ ROOT_DEV = Root_RAM0;
+
+diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
+index f7844f6..6631586 100755
+--- a/scripts/checkstack.pl
++++ b/scripts/checkstack.pl
+@@ -12,6 +12,7 @@
+ # sh64 port by Paul Mundt
+ # Random bits by Matt Mackall <mpm@selenic.com>
+ # M68k port by Geert Uytterhoeven and Andreas Schwab
++# AVR32 port by Haavard Skinnemoen <hskinnemoen@atmel.com>
+ #
+ # Usage:
+ # objdump -d vmlinux | stackcheck.pl [arch]
+@@ -37,6 +38,10 @@ my (@stack, $re, $x, $xs);
+ if ($arch eq 'arm') {
+ #c0008ffc: e24dd064 sub sp, sp, #100 ; 0x64
+ $re = qr/.*sub.*sp, sp, #(([0-9]{2}|[3-9])[0-9]{2})/o;
++ } elsif ($arch eq 'avr32') {
++ #8000008a: 20 1d sub sp,4
++ #80000ca8: fa cd 05 b0 sub sp,sp,1456
++ $re = qr/^.*sub.*sp.*,([0-9]{1,8})/o;
+ } elsif ($arch =~ /^i[3456]86$/) {
+ #c0105234: 81 ec ac 05 00 00 sub $0x5ac,%esp
+ $re = qr/^.*[as][du][db] \$(0x$x{1,8}),\%esp$/o;
+diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
+index 8b809b2..9ff8502 100644
+--- a/scripts/kallsyms.c
++++ b/scripts/kallsyms.c
+@@ -378,6 +378,17 @@ static void build_initial_tok_table(void)
+ table_cnt = pos;
+ }
+
++static void *find_token(unsigned char *str, int len, unsigned char *token)
++{
++ int i;
++
++ for (i = 0; i < len - 1; i++) {
++ if (str[i] == token[0] && str[i+1] == token[1])
++ return &str[i];
++ }
++ return NULL;
++}
++
+ /* replace a given token in all the valid symbols. Use the sampled symbols
+ * to update the counts */
+ static void compress_symbols(unsigned char *str, int idx)
+@@ -391,7 +402,7 @@ static void compress_symbols(unsigned char *str, int idx)
+ p1 = table[i].sym;
+
+ /* find the token on the symbol */
+- p2 = memmem(p1, len, str, 2);
++ p2 = find_token(p1, len, str);
+ if (!p2) continue;
+
+ /* decrease the counts for this symbol's tokens */
+@@ -410,7 +421,7 @@ static void compress_symbols(unsigned char *str, int idx)
+ if (size < 2) break;
+
+ /* find the token on the symbol */
+- p2 = memmem(p1, size, str, 2);
++ p2 = find_token(p1, size, str);
+
+ } while (p2);
+
+diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
+index 0858caa..91ed78f 100644
+--- a/scripts/mod/modpost.h
++++ b/scripts/mod/modpost.h
+@@ -9,6 +9,11 @@
+ #include <unistd.h>
+ #include <elf.h>
+
++#ifdef __APPLE__
++typedef uint16_t Elf32_Section;
++typedef uint16_t Elf64_Section;
++#endif
++
+ #include "elfconfig.h"
+
+ #if KERNEL_ELFCLASS == ELFCLASS32
+diff --git a/sound/Kconfig b/sound/Kconfig
+index 9ea4738..f0551c8 100644
+--- a/sound/Kconfig
++++ b/sound/Kconfig
+@@ -63,6 +63,12 @@ source "sound/aoa/Kconfig"
+
+ source "sound/arm/Kconfig"
+
++source "sound/avr32/Kconfig"
++
++if SPI
++source "sound/spi/Kconfig"
++endif
++
+ source "sound/mips/Kconfig"
+
+ # the following will depend on the order of config.
+diff --git a/sound/Makefile b/sound/Makefile
+index b7c7fb7..25f6042 100644
+--- a/sound/Makefile
++++ b/sound/Makefile
+@@ -5,7 +5,9 @@ obj-$(CONFIG_SOUND) += soundcore.o
+ obj-$(CONFIG_SOUND_PRIME) += sound_firmware.o
+ obj-$(CONFIG_SOUND_PRIME) += oss/
+ obj-$(CONFIG_DMASOUND) += oss/
+-obj-$(CONFIG_SND) += core/ i2c/ drivers/ isa/ pci/ ppc/ arm/ synth/ usb/ sparc/ parisc/ pcmcia/ mips/ soc/
++obj-$(CONFIG_SND) += core/ i2c/ drivers/ isa/ pci/ ppc/ arm/ avr32/ synth/ usb/ \
++ sparc/ spi/ parisc/ pcmcia/ mips/ soc/
++
+ obj-$(CONFIG_SND_AOA) += aoa/
+
+ # This one must be compilable even if sound is configured out
+diff --git a/sound/avr32/Kconfig b/sound/avr32/Kconfig
+new file mode 100644
+index 0000000..17d1d91
+--- /dev/null
++++ b/sound/avr32/Kconfig
+@@ -0,0 +1,11 @@
++menu "AVR32 devices"
++ depends on SND != n && AVR32
++
++config SND_ATMEL_AC97
++ tristate "Atmel AC97 Controller Driver"
++ select SND_PCM
++ select SND_AC97_CODEC
++ help
++ ALSA sound driver for the Atmel AC97 controller.
++
++endmenu
+diff --git a/sound/avr32/Makefile b/sound/avr32/Makefile
+new file mode 100644
+index 0000000..5d87d0e
+--- /dev/null
++++ b/sound/avr32/Makefile
+@@ -0,0 +1,3 @@
++snd-atmel-ac97-objs := ac97c.o
++
++obj-$(CONFIG_SND_ATMEL_AC97) += snd-atmel-ac97.o
+diff --git a/sound/avr32/ac97c.c b/sound/avr32/ac97c.c
+new file mode 100644
+index 0000000..0ec0b1c
+--- /dev/null
++++ b/sound/avr32/ac97c.c
+@@ -0,0 +1,914 @@
++/*
++ * Driver for the Atmel AC97 controller
++ *
++ * Copyright (C) 2005-2007 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify it
++ * under the terms of the GNU General Public License version 2 as published by
++ * the Free Software Foundation.
++ */
++#include <linux/clk.h>
++#include <linux/delay.h>
++#include <linux/dma-mapping.h>
++#include <linux/init.h>
++#include <linux/interrupt.h>
++#include <linux/module.h>
++#include <linux/platform_device.h>
++#include <linux/mutex.h>
++#include <linux/io.h>
++
++#include <sound/driver.h>
++#include <sound/core.h>
++#include <sound/initval.h>
++#include <sound/pcm.h>
++#include <sound/pcm_params.h>
++#include <sound/ac97_codec.h>
++#include <sound/memalloc.h>
++
++#include <asm/dma-controller.h>
++
++#include "ac97c.h"
++
++/* Serialize access to opened */
++static DEFINE_MUTEX(opened_mutex);
++
++struct atmel_ac97_dma_info {
++ struct dma_request_cyclic req_tx;
++ struct dma_request_cyclic req_rx;
++ unsigned short rx_periph_id;
++ unsigned short tx_periph_id;
++};
++
++struct atmel_ac97 {
++ /* Serialize access to opened */
++ spinlock_t lock;
++ void __iomem *regs;
++ struct snd_pcm_substream *playback_substream;
++ struct snd_pcm_substream *capture_substream;
++ struct snd_card *card;
++ struct snd_pcm *pcm;
++ struct snd_ac97 *ac97;
++ struct snd_ac97_bus *ac97_bus;
++ int opened;
++ int period;
++ u64 cur_format;
++ unsigned int cur_rate;
++ struct clk *mck;
++ struct platform_device *pdev;
++ struct atmel_ac97_dma_info dma;
++};
++
++#define get_chip(card) ((struct atmel_ac97 *)(card)->private_data)
++
++#define ac97c_writel(chip, reg, val) \
++ __raw_writel((val), (chip)->regs + AC97C_##reg)
++#define ac97c_readl(chip, reg) \
++ __raw_readl((chip)->regs + AC97C_##reg)
++
++/*
++ * PCM part
++ */
++static struct snd_pcm_hardware snd_atmel_ac97_playback_hw = {
++ .info = (SNDRV_PCM_INFO_INTERLEAVED
++ | SNDRV_PCM_INFO_MMAP
++ | SNDRV_PCM_INFO_MMAP_VALID
++ | SNDRV_PCM_INFO_BLOCK_TRANSFER
++ | SNDRV_PCM_INFO_JOINT_DUPLEX),
++ .formats = (SNDRV_PCM_FMTBIT_S16_BE
++ | SNDRV_PCM_FMTBIT_S16_LE),
++ .rates = (SNDRV_PCM_RATE_CONTINUOUS),
++ .rate_min = 4000,
++ .rate_max = 48000,
++ .channels_min = 1,
++ .channels_max = 6,
++ .buffer_bytes_max = 64*1024,
++ .period_bytes_min = 512,
++ .period_bytes_max = 4095,
++ .periods_min = 8,
++ .periods_max = 1024,
++};
++
++static struct snd_pcm_hardware snd_atmel_ac97_capture_hw = {
++ .info = (SNDRV_PCM_INFO_INTERLEAVED
++ | SNDRV_PCM_INFO_MMAP
++ | SNDRV_PCM_INFO_MMAP_VALID
++ | SNDRV_PCM_INFO_BLOCK_TRANSFER
++ | SNDRV_PCM_INFO_JOINT_DUPLEX),
++ .formats = (SNDRV_PCM_FMTBIT_S16_BE
++ | SNDRV_PCM_FMTBIT_S16_LE),
++ .rates = (SNDRV_PCM_RATE_CONTINUOUS),
++ .rate_min = 4000,
++ .rate_max = 48000,
++ .channels_min = 1,
++ .channels_max = 2,
++ .buffer_bytes_max = 64*1024,
++ .period_bytes_min = 512,
++ .period_bytes_max = 4095,
++ .periods_min = 8,
++ .periods_max = 1024,
++};
++
++/*
++ * PCM functions
++ */
++static int
++snd_atmel_ac97_playback_open(struct snd_pcm_substream *substream)
++{
++ struct atmel_ac97 *chip = snd_pcm_substream_chip(substream);
++ struct snd_pcm_runtime *runtime = substream->runtime;
++
++ mutex_lock(&opened_mutex);
++ chip->opened++;
++ runtime->hw = snd_atmel_ac97_playback_hw;
++ if (chip->cur_rate) {
++ runtime->hw.rate_min = chip->cur_rate;
++ runtime->hw.rate_max = chip->cur_rate;
++ }
++ if (chip->cur_format)
++ runtime->hw.formats = (1ULL << chip->cur_format);
++ mutex_unlock(&opened_mutex);
++ chip->playback_substream = substream;
++ chip->period = 0;
++ return 0;
++}
++
++static int
++snd_atmel_ac97_capture_open(struct snd_pcm_substream *substream)
++{
++ struct atmel_ac97 *chip = snd_pcm_substream_chip(substream);
++ struct snd_pcm_runtime *runtime = substream->runtime;
++
++ mutex_lock(&opened_mutex);
++ chip->opened++;
++ runtime->hw = snd_atmel_ac97_capture_hw;
++ if (chip->cur_rate) {
++ runtime->hw.rate_min = chip->cur_rate;
++ runtime->hw.rate_max = chip->cur_rate;
++ }
++ if (chip->cur_format)
++ runtime->hw.formats = (1ULL << chip->cur_format);
++ mutex_unlock(&opened_mutex);
++ chip->capture_substream = substream;
++ chip->period = 0;
++ return 0;
++}
++
++static int snd_atmel_ac97_playback_close(struct snd_pcm_substream *substream)
++{
++ struct atmel_ac97 *chip = snd_pcm_substream_chip(substream);
++ mutex_lock(&opened_mutex);
++ chip->opened--;
++ if (!chip->opened) {
++ chip->cur_rate = 0;
++ chip->cur_format = 0;
++ }
++ mutex_unlock(&opened_mutex);
++ return 0;
++}
++
++static int snd_atmel_ac97_capture_close(struct snd_pcm_substream *substream)
++{
++ struct atmel_ac97 *chip = snd_pcm_substream_chip(substream);
++ mutex_lock(&opened_mutex);
++ chip->opened--;
++ if (!chip->opened) {
++ chip->cur_rate = 0;
++ chip->cur_format = 0;
++ }
++ mutex_unlock(&opened_mutex);
++ return 0;
++}
++
++static int
++snd_atmel_ac97_playback_hw_params(struct snd_pcm_substream *substream,
++ struct snd_pcm_hw_params *hw_params)
++{
++ struct atmel_ac97 *chip = snd_pcm_substream_chip(substream);
++ int err;
++
++ err = snd_pcm_lib_malloc_pages(substream,
++ params_buffer_bytes(hw_params));
++ if (err < 0)
++ return err;
++
++ /* Set restrictions to params */
++ mutex_lock(&opened_mutex);
++ chip->cur_rate = params_rate(hw_params);
++ chip->cur_format = params_format(hw_params);
++ mutex_unlock(&opened_mutex);
++
++ return 0;
++}
++
++static int
++snd_atmel_ac97_capture_hw_params(struct snd_pcm_substream *substream,
++ struct snd_pcm_hw_params *hw_params)
++{
++ struct atmel_ac97 *chip = snd_pcm_substream_chip(substream);
++ int err;
++
++ err = snd_pcm_lib_malloc_pages(substream,
++ params_buffer_bytes(hw_params));
++ if (err < 0)
++ return err;
++
++ /* Set restrictions to params */
++ mutex_lock(&opened_mutex);
++ chip->cur_rate = params_rate(hw_params);
++ chip->cur_format = params_format(hw_params);
++ mutex_unlock(&opened_mutex);
++
++ return 0;
++}
++
++static int snd_atmel_ac97_playback_hw_free(struct snd_pcm_substream *substream)
++{
++ return snd_pcm_lib_free_pages(substream);
++}
++
++static int snd_atmel_ac97_capture_hw_free(struct snd_pcm_substream *substream)
++{
++
++ return snd_pcm_lib_free_pages(substream);
++}
++
++static int snd_atmel_ac97_playback_prepare(struct snd_pcm_substream *substream)
++{
++ struct atmel_ac97 *chip = snd_pcm_substream_chip(substream);
++ struct platform_device *pdev = chip->pdev;
++ struct snd_pcm_runtime *runtime = substream->runtime;
++ int block_size = frames_to_bytes(runtime, runtime->period_size);
++ unsigned long word = 0;
++ unsigned long buffer_size = 0;
++
++ dma_sync_single_for_device(&pdev->dev, runtime->dma_addr,
++ block_size * 2, DMA_TO_DEVICE);
++
++ /* Assign slots to channels */
++ switch (substream->runtime->channels) {
++ case 1:
++ word |= AC97C_CH_ASSIGN(PCM_LEFT, A);
++ break;
++ case 2:
++ /* Assign Left and Right slot to Channel A */
++ word |= AC97C_CH_ASSIGN(PCM_LEFT, A)
++ | AC97C_CH_ASSIGN(PCM_RIGHT, A);
++ break;
++ default:
++ /* TODO: support more than two channels */
++ return -EINVAL;
++ break;
++ }
++ ac97c_writel(chip, OCA, word);
++
++ /* Configure sample format and size */
++ word = AC97C_CMR_PDCEN | AC97C_CMR_SIZE_16;
++
++ switch (runtime->format) {
++ case SNDRV_PCM_FORMAT_S16_LE:
++ word |= AC97C_CMR_CEM_LITTLE;
++ break;
++ case SNDRV_PCM_FORMAT_S16_BE: /* fall through */
++ default:
++ word &= ~AC97C_CMR_CEM_LITTLE;
++ break;
++ }
++
++ ac97c_writel(chip, CAMR, word);
++
++ /* Set variable rate if needed */
++ if (runtime->rate != 48000) {
++ word = ac97c_readl(chip, MR);
++ word |= AC97C_MR_VRA;
++ ac97c_writel(chip, MR, word);
++ } else {
++ /* Clear Variable Rate Bit */
++ word = ac97c_readl(chip, MR);
++ word &= ~AC97C_MR_VRA;
++ ac97c_writel(chip, MR, word);
++ }
++
++ /* Set rate */
++ snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate);
++
++ buffer_size = frames_to_bytes(runtime, runtime->period_size) *
++ runtime->periods;
++
++ chip->dma.req_tx.buffer_size = buffer_size;
++ chip->dma.req_tx.periods = runtime->periods;
++
++ BUG_ON(chip->dma.req_tx.buffer_size !=
++ (chip->dma.req_tx.periods *
++ frames_to_bytes(runtime, runtime->period_size)));
++
++ chip->dma.req_tx.buffer_start = runtime->dma_addr;
++ chip->dma.req_tx.data_reg = (dma_addr_t)(chip->regs + AC97C_CATHR + 2);
++ chip->dma.req_tx.periph_id = chip->dma.tx_periph_id;
++ chip->dma.req_tx.direction = DMA_DIR_MEM_TO_PERIPH;
++ chip->dma.req_tx.width = DMA_WIDTH_16BIT;
++ chip->dma.req_tx.dev_id = chip;
++
++ return 0;
++}
++
++static int snd_atmel_ac97_capture_prepare(struct snd_pcm_substream *substream)
++{
++ struct atmel_ac97 *chip = snd_pcm_substream_chip(substream);
++ struct platform_device *pdev = chip->pdev;
++ struct snd_pcm_runtime *runtime = substream->runtime;
++ int block_size = frames_to_bytes(runtime, runtime->period_size);
++ unsigned long word = 0;
++ unsigned long buffer_size = 0;
++
++ dma_sync_single_for_device(&pdev->dev, runtime->dma_addr,
++ block_size * 2, DMA_FROM_DEVICE);
++
++ /* Assign slots to channels */
++ switch (substream->runtime->channels) {
++ case 1:
++ word |= AC97C_CH_ASSIGN(PCM_LEFT, A);
++ break;
++ case 2:
++ /* Assign Left and Right slot to Channel A */
++ word |= AC97C_CH_ASSIGN(PCM_LEFT, A)
++ | AC97C_CH_ASSIGN(PCM_RIGHT, A);
++ break;
++ default:
++ /* TODO: support more than two channels */
++ return -EINVAL;
++ break;
++ }
++ ac97c_writel(chip, ICA, word);
++
++ /* Configure sample format and size */
++ word = AC97C_CMR_PDCEN | AC97C_CMR_SIZE_16;
++
++ switch (runtime->format) {
++ case SNDRV_PCM_FORMAT_S16_LE:
++ word |= AC97C_CMR_CEM_LITTLE;
++ break;
++ case SNDRV_PCM_FORMAT_S16_BE:
++ default:
++ word &= ~(AC97C_CMR_CEM_LITTLE);
++ break;
++ }
++
++ ac97c_writel(chip, CAMR, word);
++
++ /* Set variable rate if needed */
++ if (runtime->rate != 48000) {
++ word = ac97c_readl(chip, MR);
++ word |= AC97C_MR_VRA;
++ ac97c_writel(chip, MR, word);
++ } else {
++ /* Clear Variable Rate Bit */
++ word = ac97c_readl(chip, MR);
++ word &= ~(AC97C_MR_VRA);
++ ac97c_writel(chip, MR, word);
++ }
++
++ /* Set rate */
++ snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate);
++
++ buffer_size = frames_to_bytes(runtime, runtime->period_size) *
++ runtime->periods;
++
++ chip->dma.req_rx.buffer_size = buffer_size;
++ chip->dma.req_rx.periods = runtime->periods;
++
++ BUG_ON(chip->dma.req_rx.buffer_size !=
++ (chip->dma.req_rx.periods *
++ frames_to_bytes(runtime, runtime->period_size)));
++
++ chip->dma.req_rx.buffer_start = runtime->dma_addr;
++ chip->dma.req_rx.data_reg = (dma_addr_t)(chip->regs + AC97C_CARHR + 2);
++ chip->dma.req_rx.periph_id = chip->dma.rx_periph_id;
++ chip->dma.req_rx.direction = DMA_DIR_PERIPH_TO_MEM;
++ chip->dma.req_rx.width = DMA_WIDTH_16BIT;
++ chip->dma.req_rx.dev_id = chip;
++
++ return 0;
++}
++
++ static int
++snd_atmel_ac97_playback_trigger(struct snd_pcm_substream *substream, int cmd)
++{
++ struct atmel_ac97 *chip = snd_pcm_substream_chip(substream);
++ unsigned long camr;
++ int flags, err = 0;
++
++ spin_lock_irqsave(&chip->lock, flags);
++ camr = ac97c_readl(chip, CAMR);
++
++ switch (cmd) {
++ case SNDRV_PCM_TRIGGER_START:
++ err = dma_prepare_request_cyclic(chip->dma.req_tx.req.dmac,
++ &chip->dma.req_tx);
++ dma_start_request(chip->dma.req_tx.req.dmac,
++ chip->dma.req_tx.req.channel);
++ camr |= AC97C_CMR_CENA;
++ break;
++ case SNDRV_PCM_TRIGGER_STOP:
++ err = dma_stop_request(chip->dma.req_tx.req.dmac,
++ chip->dma.req_tx.req.channel);
++ if (chip->opened <= 1)
++ camr &= ~AC97C_CMR_CENA;
++ break;
++ default:
++ err = -EINVAL;
++ break;
++ }
++
++ ac97c_writel(chip, CAMR, camr);
++
++ spin_unlock_irqrestore(&chip->lock, flags);
++ return err;
++}
++
++ static int
++snd_atmel_ac97_capture_trigger(struct snd_pcm_substream *substream, int cmd)
++{
++ struct atmel_ac97 *chip = snd_pcm_substream_chip(substream);
++ unsigned long camr;
++ int flags, err = 0;
++
++ spin_lock_irqsave(&chip->lock, flags);
++ camr = ac97c_readl(chip, CAMR);
++
++ switch (cmd) {
++ case SNDRV_PCM_TRIGGER_START:
++ err = dma_prepare_request_cyclic(chip->dma.req_rx.req.dmac,
++ &chip->dma.req_rx);
++ dma_start_request(chip->dma.req_rx.req.dmac,
++ chip->dma.req_rx.req.channel);
++ camr |= AC97C_CMR_CENA;
++ break;
++ case SNDRV_PCM_TRIGGER_STOP:
++ err = dma_stop_request(chip->dma.req_rx.req.dmac,
++ chip->dma.req_rx.req.channel);
++ mutex_lock(&opened_mutex);
++ if (chip->opened <= 1)
++ camr &= ~AC97C_CMR_CENA;
++ mutex_unlock(&opened_mutex);
++ break;
++ default:
++ err = -EINVAL;
++ break;
++ }
++
++ ac97c_writel(chip, CAMR, camr);
++
++ spin_unlock_irqrestore(&chip->lock, flags);
++ return err;
++}
++
++ static snd_pcm_uframes_t
++snd_atmel_ac97_playback_pointer(struct snd_pcm_substream *substream)
++{
++ struct atmel_ac97 *chip = snd_pcm_substream_chip(substream);
++ struct snd_pcm_runtime *runtime = substream->runtime;
++ snd_pcm_uframes_t pos;
++ unsigned long bytes;
++
++ bytes = (dma_get_current_pos
++ (chip->dma.req_tx.req.dmac,
++ chip->dma.req_tx.req.channel) - runtime->dma_addr);
++ pos = bytes_to_frames(runtime, bytes);
++ if (pos >= runtime->buffer_size)
++ pos -= runtime->buffer_size;
++
++ return pos;
++}
++
++ static snd_pcm_uframes_t
++snd_atmel_ac97_capture_pointer(struct snd_pcm_substream *substream)
++{
++ struct atmel_ac97 *chip = snd_pcm_substream_chip(substream);
++ struct snd_pcm_runtime *runtime = substream->runtime;
++ snd_pcm_uframes_t pos;
++ unsigned long bytes;
++
++ bytes = (dma_get_current_pos
++ (chip->dma.req_rx.req.dmac,
++ chip->dma.req_rx.req.channel)
++ - runtime->dma_addr);
++ pos = bytes_to_frames(runtime, bytes);
++ if (pos >= runtime->buffer_size)
++ pos -= runtime->buffer_size;
++
++
++ return pos;
++}
++
++static struct snd_pcm_ops atmel_ac97_playback_ops = {
++ .open = snd_atmel_ac97_playback_open,
++ .close = snd_atmel_ac97_playback_close,
++ .ioctl = snd_pcm_lib_ioctl,
++ .hw_params = snd_atmel_ac97_playback_hw_params,
++ .hw_free = snd_atmel_ac97_playback_hw_free,
++ .prepare = snd_atmel_ac97_playback_prepare,
++ .trigger = snd_atmel_ac97_playback_trigger,
++ .pointer = snd_atmel_ac97_playback_pointer,
++};
++
++static struct snd_pcm_ops atmel_ac97_capture_ops = {
++ .open = snd_atmel_ac97_capture_open,
++ .close = snd_atmel_ac97_capture_close,
++ .ioctl = snd_pcm_lib_ioctl,
++ .hw_params = snd_atmel_ac97_capture_hw_params,
++ .hw_free = snd_atmel_ac97_capture_hw_free,
++ .prepare = snd_atmel_ac97_capture_prepare,
++ .trigger = snd_atmel_ac97_capture_trigger,
++ .pointer = snd_atmel_ac97_capture_pointer,
++};
++
++static struct ac97_pcm atmel_ac97_pcm_defs[] __devinitdata = {
++ /* Playback */
++ {
++ .exclusive = 1,
++ .r = { {
++ .slots = ((1 << AC97_SLOT_PCM_LEFT)
++ | (1 << AC97_SLOT_PCM_RIGHT)
++ | (1 << AC97_SLOT_PCM_CENTER)
++ | (1 << AC97_SLOT_PCM_SLEFT)
++ | (1 << AC97_SLOT_PCM_SRIGHT)
++ | (1 << AC97_SLOT_LFE)),
++ } }
++ },
++ /* PCM in */
++ {
++ .stream = 1,
++ .exclusive = 1,
++ .r = { {
++ .slots = ((1 << AC97_SLOT_PCM_LEFT)
++ | (1 << AC97_SLOT_PCM_RIGHT)),
++ } }
++ },
++ /* Mic in */
++ {
++ .stream = 1,
++ .exclusive = 1,
++ .r = { {
++ .slots = (1<<AC97_SLOT_MIC),
++ } }
++ },
++};
++
++static int __devinit snd_atmel_ac97_pcm_new(struct atmel_ac97 *chip)
++{
++ struct snd_pcm *pcm;
++ int err;
++
++ err = snd_ac97_pcm_assign(chip->ac97_bus,
++ ARRAY_SIZE(atmel_ac97_pcm_defs),
++ atmel_ac97_pcm_defs);
++ if (err)
++ return err;
++
++ err = snd_pcm_new(chip->card, "Atmel-AC97", 0, 1, 1, &pcm);
++ if (err)
++ return err;
++
++ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
++ &atmel_ac97_playback_ops);
++
++ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
++ &atmel_ac97_capture_ops);
++
++ snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
++ &chip->pdev->dev,
++ 128 * 1024, 128 * 1024);
++
++ pcm->private_data = chip;
++ pcm->info_flags = 0;
++ strcpy(pcm->name, "Atmel-AC97");
++ chip->pcm = pcm;
++
++ return 0;
++}
++
++/*
++ * Mixer part.
++ */
++static int snd_atmel_ac97_mixer_new(struct atmel_ac97 *chip)
++{
++ int err;
++ struct snd_ac97_template template;
++
++ memset(&template, 0, sizeof(template));
++ template.private_data = chip;
++ err = snd_ac97_mixer(chip->ac97_bus, &template, &chip->ac97);
++
++ return err;
++}
++
++static void atmel_ac97_error(struct dma_request *_req)
++{
++ struct dma_request_cyclic *req = to_dma_request_cyclic(_req);
++ struct atmel_ac97 *chip = req->dev_id;
++
++ dev_dbg(&chip->pdev->dev, "DMA Controller error, channel %d\n",
++ req->req.channel);
++}
++
++static void atmel_ac97_block_complete(struct dma_request *_req)
++{
++ struct dma_request_cyclic *req = to_dma_request_cyclic(_req);
++ struct atmel_ac97 *chip = req->dev_id;
++ if (req->periph_id == chip->dma.tx_periph_id)
++ snd_pcm_period_elapsed(chip->playback_substream);
++ else
++ snd_pcm_period_elapsed(chip->capture_substream);
++}
++
++/*
++ * Codec part.
++ */
++static void snd_atmel_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
++ unsigned short val)
++{
++ struct atmel_ac97 *chip = get_chip(ac97);
++ unsigned long word;
++ int timeout = 40;
++
++ word = (reg & 0x7f) << 16 | val;
++
++ do {
++ if (ac97c_readl(chip, COSR) & AC97C_CSR_TXRDY) {
++ ac97c_writel(chip, COTHR, word);
++ return;
++ }
++ udelay(1);
++ } while (--timeout);
++
++ dev_dbg(&chip->pdev->dev, "codec write timeout\n");
++}
++
++static unsigned short snd_atmel_ac97_read(struct snd_ac97 *ac97,
++ unsigned short reg)
++{
++ struct atmel_ac97 *chip = get_chip(ac97);
++ unsigned long word;
++ int timeout = 40;
++ int write = 10;
++
++ word = (0x80 | (reg & 0x7f)) << 16;
++
++ if ((ac97c_readl(chip, COSR) & AC97C_CSR_RXRDY) != 0)
++ ac97c_readl(chip, CORHR);
++
++retry_write:
++ timeout = 40;
++
++ do {
++ if ((ac97c_readl(chip, COSR) & AC97C_CSR_TXRDY) != 0) {
++ ac97c_writel(chip, COTHR, word);
++ goto read_reg;
++ }
++ mdelay(10);
++ } while (--timeout);
++
++ if (!--write)
++ goto timed_out;
++ goto retry_write;
++
++read_reg:
++ do {
++ if ((ac97c_readl(chip, COSR) & AC97C_CSR_RXRDY) != 0) {
++ unsigned short val = ac97c_readl(chip, CORHR);
++ return val;
++ }
++ mdelay(10);
++ } while (--timeout);
++
++ if (!--write)
++ goto timed_out;
++ goto retry_write;
++
++timed_out:
++ dev_dbg(&chip->pdev->dev, "codec read timeout\n");
++ return 0xffff;
++}
++
++static void snd_atmel_ac97_reset(struct atmel_ac97 *chip)
++{
++ ac97c_writel(chip, MR, AC97C_MR_WRST);
++ mdelay(1);
++ ac97c_writel(chip, MR, AC97C_MR_ENA);
++}
++
++static void snd_atmel_ac97_destroy(struct snd_card *card)
++{
++ struct atmel_ac97 *chip = get_chip(card);
++
++ if (chip->regs)
++ iounmap(chip->regs);
++
++ if (chip->mck) {
++ clk_disable(chip->mck);
++ clk_put(chip->mck);
++ }
++
++ if (chip->dma.req_tx.req.dmac) {
++ dma_release_channel(chip->dma.req_tx.req.dmac,
++ chip->dma.req_tx.req.channel);
++ }
++ if (chip->dma.req_rx.req.dmac) {
++ dma_release_channel(chip->dma.req_rx.req.dmac,
++ chip->dma.req_rx.req.channel);
++ }
++}
++
++static int __devinit snd_atmel_ac97_create(struct snd_card *card,
++ struct platform_device *pdev)
++{
++ static struct snd_ac97_bus_ops ops = {
++ .write = snd_atmel_ac97_write,
++ .read = snd_atmel_ac97_read,
++ };
++ struct atmel_ac97 *chip = get_chip(card);
++ struct resource *regs;
++ struct clk *mck;
++ int err;
++
++ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ if (!regs)
++ return -ENXIO;
++
++ mck = clk_get(&pdev->dev, "pclk");
++ if (IS_ERR(mck))
++ return PTR_ERR(mck);
++ clk_enable(mck);
++ chip->mck = mck;
++
++ card->private_free = snd_atmel_ac97_destroy;
++
++ spin_lock_init(&chip->lock);
++ chip->card = card;
++ chip->pdev = pdev;
++
++ chip->regs = ioremap(regs->start, regs->end - regs->start + 1);
++ if (!chip->regs)
++ return -ENOMEM;
++
++ snd_card_set_dev(card, &pdev->dev);
++
++ err = snd_ac97_bus(card, 0, &ops, chip, &chip->ac97_bus);
++
++ return err;
++}
++
++static int __devinit snd_atmel_ac97_probe(struct platform_device *pdev)
++{
++ static int dev;
++ struct snd_card *card;
++ struct atmel_ac97 *chip;
++ int err;
++ int ch;
++
++ mutex_init(&opened_mutex);
++
++ err = -ENOMEM;
++ card = snd_card_new(SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1,
++ THIS_MODULE, sizeof(struct atmel_ac97));
++ if (!card)
++ goto out;
++ chip = get_chip(card);
++
++ err = snd_atmel_ac97_create(card, pdev);
++ if (err)
++ goto out_free_card;
++
++ snd_atmel_ac97_reset(chip);
++
++ err = snd_atmel_ac97_mixer_new(chip);
++ if (err)
++ goto out_free_card;
++
++ err = snd_atmel_ac97_pcm_new(chip);
++ if (err)
++ goto out_free_card;
++
++ /* TODO: Get this information from the platform device */
++ chip->dma.req_tx.req.dmac = find_dma_controller(0);
++ if (!chip->dma.req_tx.req.dmac) {
++ dev_dbg(&chip->pdev->dev, "DMA controller for TX missing\n");
++ err = -ENODEV;
++ goto out_free_card;
++ }
++ chip->dma.req_rx.req.dmac = find_dma_controller(0);
++ if (!chip->dma.req_rx.req.dmac) {
++ dev_dbg(&chip->pdev->dev, "DMA controller for RX missing\n");
++ err = -ENODEV;
++ goto out_free_card;
++ }
++
++ chip->dma.rx_periph_id = 3;
++ chip->dma.tx_periph_id = 4;
++
++ ch = dma_alloc_channel(chip->dma.req_tx.req.dmac);
++ if (ch < 0) {
++ dev_dbg(&chip->pdev->dev,
++ "could not allocate TX DMA channel\n");
++ err = ch;
++ goto out_free_card;
++ }
++ chip->dma.req_tx.req.channel = ch;
++ chip->dma.req_tx.width = DMA_WIDTH_16BIT;
++ chip->dma.req_tx.req.block_complete = atmel_ac97_block_complete;
++ chip->dma.req_tx.req.error = atmel_ac97_error;
++
++ ch = dma_alloc_channel(chip->dma.req_rx.req.dmac);
++ if (ch < 0) {
++ dev_dbg(&chip->pdev->dev,
++ "could not allocate RX DMA channel\n");
++ err = ch;
++ goto out_free_card;
++ }
++ chip->dma.req_rx.req.channel = ch;
++ chip->dma.req_rx.width = DMA_WIDTH_16BIT;
++ chip->dma.req_rx.req.block_complete = atmel_ac97_block_complete;
++ chip->dma.req_rx.req.error = atmel_ac97_error;
++
++ strcpy(card->driver, "atmel_ac97c");
++ strcpy(card->shortname, "atmel_ac97c");
++ sprintf(card->longname, "Atmel AVR32 AC97 controller");
++
++ err = snd_card_register(card);
++ if (err)
++ goto out_free_card;
++
++ platform_set_drvdata(pdev, card);
++ dev++;
++
++ dev_info(&pdev->dev, "Atmel AVR32 AC97 controller at 0x%p\n",
++ chip->regs);
++
++ return 0;
++
++out_free_card:
++ snd_card_free(card);
++out:
++ return err;
++}
++
++#ifdef CONFIG_PM
++ static int
++snd_atmel_ac97_suspend(struct platform_device *pdev, pm_message_t msg)
++{
++ struct snd_card *card = platform_get_drvdata(pdev);
++ struct atmel_ac97 *chip = card->private_data;
++
++ clk_disable(chip->mck);
++
++ return 0;
++}
++
++static int snd_atmel_ac97_resume(struct platform_device *pdev)
++{
++ struct snd_card *card = dev_get_drvdata(pdev);
++ struct atmel_ac97 *chip = card->private_data;
++
++ clk_enable(chip->mck);
++
++ return 0;
++}
++#else
++#define snd_atmel_ac97_suspend NULL
++#define snd_atmel_ac97_resume NULL
++#endif
++
++static int __devexit snd_atmel_ac97_remove(struct platform_device *pdev)
++{
++ struct snd_card *card = platform_get_drvdata(pdev);
++
++ snd_card_free(card);
++ platform_set_drvdata(pdev, NULL);
++ return 0;
++}
++
++static struct platform_driver atmel_ac97_driver = {
++ .remove = __devexit_p(snd_atmel_ac97_remove),
++ .driver = {
++ .name = "atmel_ac97c",
++ },
++ .suspend = snd_atmel_ac97_suspend,
++ .resume = snd_atmel_ac97_resume,
++};
++
++static int __init atmel_ac97_init(void)
++{
++ return platform_driver_probe(&atmel_ac97_driver,
++ snd_atmel_ac97_probe);
++}
++module_init(atmel_ac97_init);
++
++static void __exit atmel_ac97_exit(void)
++{
++ platform_driver_unregister(&atmel_ac97_driver);
++}
++module_exit(atmel_ac97_exit);
++
++MODULE_LICENSE("GPL");
++MODULE_DESCRIPTION("Driver for Atmel AC97 Controller");
++MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>");
+diff --git a/sound/avr32/ac97c.h b/sound/avr32/ac97c.h
+new file mode 100644
+index 0000000..96246e7
+--- /dev/null
++++ b/sound/avr32/ac97c.h
+@@ -0,0 +1,71 @@
++/*
++ * Register definitions for the Atmel AC97 Controller.
++ *
++ * Copyright (C) 2005-2006 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++#ifndef __SOUND_AVR32_AC97C_H
++#define __SOUND_AVR32_AC97C_H
++
++#define AC97C_MR 0x08
++#define AC97C_ICA 0x10
++#define AC97C_OCA 0x14
++#define AC97C_CARHR 0x20
++#define AC97C_CATHR 0x24
++#define AC97C_CASR 0x28
++#define AC97C_CAMR 0x2c
++#define AC97C_CBRHR 0x30
++#define AC97C_CBTHR 0x34
++#define AC97C_CBSR 0x38
++#define AC97C_CBMR 0x3c
++#define AC97C_CORHR 0x40
++#define AC97C_COTHR 0x44
++#define AC97C_COSR 0x48
++#define AC97C_COMR 0x4c
++#define AC97C_SR 0x50
++#define AC97C_IER 0x54
++#define AC97C_IDR 0x58
++#define AC97C_IMR 0x5c
++#define AC97C_VERSION 0xfc
++
++#define AC97C_CATPR PDC_TPR
++#define AC97C_CATCR PDC_TCR
++#define AC97C_CATNPR PDC_TNPR
++#define AC97C_CATNCR PDC_TNCR
++#define AC97C_CARPR PDC_RPR
++#define AC97C_CARCR PDC_RCR
++#define AC97C_CARNPR PDC_RNPR
++#define AC97C_CARNCR PDC_RNCR
++#define AC97C_PTCR PDC_PTCR
++
++#define AC97C_MR_ENA (1 << 0)
++#define AC97C_MR_WRST (1 << 1)
++#define AC97C_MR_VRA (1 << 2)
++
++#define AC97C_CSR_TXRDY (1 << 0)
++#define AC97C_CSR_UNRUN (1 << 2)
++#define AC97C_CSR_RXRDY (1 << 4)
++#define AC97C_CSR_ENDTX (1 << 10)
++#define AC97C_CSR_ENDRX (1 << 14)
++
++#define AC97C_CMR_SIZE_20 (0 << 16)
++#define AC97C_CMR_SIZE_18 (1 << 16)
++#define AC97C_CMR_SIZE_16 (2 << 16)
++#define AC97C_CMR_SIZE_10 (3 << 16)
++#define AC97C_CMR_CEM_LITTLE (1 << 18)
++#define AC97C_CMR_CEM_BIG (0 << 18)
++#define AC97C_CMR_CENA (1 << 21)
++#define AC97C_CMR_PDCEN (1 << 22)
++
++#define AC97C_SR_CAEVT (1 << 3)
++
++#define AC97C_CH_ASSIGN(slot, channel) \
++ (AC97C_CHANNEL_##channel << (3 * (AC97_SLOT_##slot - 3)))
++#define AC97C_CHANNEL_NONE 0x0
++#define AC97C_CHANNEL_A 0x1
++#define AC97C_CHANNEL_B 0x2
++
++#endif /* __SOUND_AVR32_AC97C_H */
+diff --git a/sound/oss/Kconfig b/sound/oss/Kconfig
+index 4b30ae6..de910e0 100644
+--- a/sound/oss/Kconfig
++++ b/sound/oss/Kconfig
+@@ -738,3 +738,7 @@ config SOUND_SH_DAC_AUDIO_CHANNEL
+ int "DAC channel"
+ default "1"
+ depends on SOUND_SH_DAC_AUDIO
++
++config SOUND_AT32_ABDAC
++ tristate "Atmel AT32 Audio Bitstream DAC (ABDAC) support"
++ depends on SOUND_PRIME && AVR32
+diff --git a/sound/oss/Makefile b/sound/oss/Makefile
+index 2489bd6..2b731af 100644
+--- a/sound/oss/Makefile
++++ b/sound/oss/Makefile
+@@ -10,6 +10,7 @@ obj-$(CONFIG_SOUND_CS4232) += cs4232.o ad1848.o
+
+ # Please leave it as is, cause the link order is significant !
+
++obj-$(CONFIG_SOUND_AT32_ABDAC) += at32_abdac.o
+ obj-$(CONFIG_SOUND_SH_DAC_AUDIO) += sh_dac_audio.o
+ obj-$(CONFIG_SOUND_HAL2) += hal2.o
+ obj-$(CONFIG_SOUND_AEDSP16) += aedsp16.o
+diff --git a/sound/oss/at32_abdac.c b/sound/oss/at32_abdac.c
+new file mode 100644
+index 0000000..cb997d7
+--- /dev/null
++++ b/sound/oss/at32_abdac.c
+@@ -0,0 +1,722 @@
++/*
++ * OSS Sound Driver for the Atmel AT32 on-chip DAC.
++ *
++ * Copyright (C) 2006 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++#include <linux/clk.h>
++#include <linux/dma-mapping.h>
++#include <linux/fs.h>
++#include <linux/init.h>
++#include <linux/interrupt.h>
++#include <linux/kernel.h>
++#include <linux/module.h>
++#include <linux/platform_device.h>
++#include <linux/sound.h>
++#include <linux/soundcard.h>
++
++#include <asm/byteorder.h>
++#include <asm/dma-controller.h>
++#include <asm/io.h>
++#include <asm/uaccess.h>
++
++/* We want to use the "bizarre" swap-bytes-in-each-halfword macro */
++#include <linux/byteorder/swabb.h>
++
++#include "at32_abdac.h"
++
++#define DMA_BUFFER_SIZE 32768
++#define DMA_PERIOD_SHIFT 10
++#define DMA_PERIOD_SIZE (1 << DMA_PERIOD_SHIFT)
++#define DMA_WRITE_THRESHOLD DMA_PERIOD_SIZE
++
++struct sound_settings {
++ unsigned int format;
++ unsigned int channels;
++ unsigned int sample_rate;
++ /* log2(bytes per sample) */
++ unsigned int input_order;
++};
++
++struct at32_dac {
++ spinlock_t lock;
++ void __iomem *regs;
++
++ /* head and tail refer to number of words */
++ struct {
++ u32 *buf;
++ int head;
++ int tail;
++ } dma;
++
++ struct semaphore sem;
++ wait_queue_head_t write_wait;
++
++ /*
++ * Read at most ucount bytes from ubuf, translate to 2-channel
++ * signed 16-bit big endian format and write to the DMA buffer
++ * as long as there is room left. Return the number of bytes
++ * successfully copied from ubuf, or -EFAULT if the first
++ * sample from ubuf couldn't be read. This function is not
++ * called unless there is room for at least one sample (4
++ * bytes) in the DMA buffer.
++ */
++ ssize_t (*trans)(struct at32_dac *dac, const char __user *ubuf,
++ size_t ucount);
++
++ struct sound_settings dsp_settings;
++ struct dma_request_cyclic req;
++
++ struct clk *mck;
++ struct clk *sample_clk;
++ struct platform_device *pdev;
++ int busy;
++ int playing;
++ int dev_dsp;
++};
++static struct at32_dac *the_dac;
++
++static inline unsigned int abdac_get_head(struct at32_dac *dac)
++{
++ return dac->dma.head & ((DMA_BUFFER_SIZE / 4) - 1);
++}
++
++static inline unsigned int abdac_get_tail(struct at32_dac *dac)
++{
++ return dac->dma.tail & ((DMA_BUFFER_SIZE / 4) - 1);
++}
++
++static inline unsigned int abdac_dma_space(struct at32_dac *dac)
++{
++ unsigned int space;
++
++ space = ((dac->dma.tail - dac->dma.head - 1)
++ & ((DMA_BUFFER_SIZE / 4) - 1));
++ return space;
++}
++
++static void abdac_update_dma_tail(struct at32_dac *dac)
++{
++ dma_addr_t dma_addr;
++ unsigned int new_tail;
++
++ if (dac->playing) {
++ dma_addr = dma_get_current_pos(dac->req.req.dmac,
++ dac->req.req.channel);
++ new_tail = (dma_addr - dac->req.buffer_start) / 4;
++ if (new_tail >= dac->dma.head
++ && (dac->dma.tail < dac->dma.head
++ || dac->dma.tail > new_tail))
++ dev_notice(&dac->pdev->dev, "DMA underrun detected!\n");
++ dac->dma.tail = new_tail;
++ dev_dbg(&dac->pdev->dev, "update tail: 0x%x - 0x%x = %u\n",
++ dma_addr, dac->req.buffer_start, dac->dma.tail);
++ }
++}
++
++static int abdac_start(struct at32_dac *dac)
++{
++ int ret;
++
++ if (dac->playing)
++ return 0;
++
++ memset(dac->dma.buf, 0, DMA_BUFFER_SIZE);
++
++ clk_enable(dac->sample_clk);
++
++ ret = dma_prepare_request_cyclic(dac->req.req.dmac, &dac->req);
++ if (ret)
++ goto out_stop_clock;
++
++ dev_dbg(&dac->pdev->dev, "starting DMA...\n");
++ ret = dma_start_request(dac->req.req.dmac, dac->req.req.channel);
++ if (ret)
++ goto out_stop_request;
++
++ dac_writel(dac, CTRL, DAC_BIT(EN));
++ dac->playing = 1;
++
++ return 0;
++
++out_stop_request:
++ dma_stop_request(dac->req.req.dmac,
++ dac->req.req.channel);
++out_stop_clock:
++ clk_disable(dac->sample_clk);
++ return ret;
++}
++
++static int abdac_stop(struct at32_dac *dac)
++{
++ if (dac->playing) {
++ dma_stop_request(dac->req.req.dmac, dac->req.req.channel);
++ dac_writel(dac, DATA, 0);
++ dac_writel(dac, CTRL, 0);
++ dac->playing = 0;
++ clk_disable(dac->sample_clk);
++ }
++
++ return 0;
++}
++
++static int abdac_dma_prepare(struct at32_dac *dac)
++{
++ dac->dma.buf = dma_alloc_coherent(&dac->pdev->dev, DMA_BUFFER_SIZE,
++ &dac->req.buffer_start, GFP_KERNEL);
++ if (!dac->dma.buf)
++ return -ENOMEM;
++
++ dac->dma.head = dac->dma.tail = 0;
++ dac->req.periods = DMA_BUFFER_SIZE / DMA_PERIOD_SIZE;
++ dac->req.buffer_size = DMA_BUFFER_SIZE;
++
++ return 0;
++}
++
++static void abdac_dma_cleanup(struct at32_dac *dac)
++{
++ if (dac->dma.buf)
++ dma_free_coherent(&dac->pdev->dev, DMA_BUFFER_SIZE,
++ dac->dma.buf, dac->req.buffer_start);
++ dac->dma.buf = NULL;
++}
++
++static void abdac_dma_block_complete(struct dma_request *req)
++{
++ struct dma_request_cyclic *creq = to_dma_request_cyclic(req);
++ struct at32_dac *dac = container_of(creq, struct at32_dac, req);
++
++ wake_up(&dac->write_wait);
++}
++
++static void abdac_dma_error(struct dma_request *req)
++{
++ struct dma_request_cyclic *creq = to_dma_request_cyclic(req);
++ struct at32_dac *dac = container_of(creq, struct at32_dac, req);
++
++ dev_err(&dac->pdev->dev, "DMA error\n");
++}
++
++static irqreturn_t abdac_interrupt(int irq, void *dev_id)
++{
++ struct at32_dac *dac = dev_id;
++ u32 status;
++
++ status = dac_readl(dac, INT_STATUS);
++ if (status & DAC_BIT(UNDERRUN)) {
++ dev_err(&dac->pdev->dev, "Underrun detected!\n");
++ dac_writel(dac, INT_CLR, DAC_BIT(UNDERRUN));
++ } else {
++ dev_err(&dac->pdev->dev, "Spurious interrupt (status=0x%x)\n",
++ status);
++ dac_writel(dac, INT_CLR, status);
++ }
++
++ return IRQ_HANDLED;
++}
++
++static ssize_t trans_s16be(struct at32_dac *dac, const char __user *ubuf,
++ size_t ucount)
++{
++ ssize_t ret;
++
++ if (dac->dsp_settings.channels == 2) {
++ const u32 __user *up = (const u32 __user *)ubuf;
++ u32 sample;
++
++ for (ret = 0; ret < (ssize_t)(ucount - 3); ret += 4) {
++ if (!abdac_dma_space(dac))
++ break;
++
++ if (unlikely(__get_user(sample, up++))) {
++ if (ret == 0)
++ ret = -EFAULT;
++ break;
++ }
++ dac->dma.buf[abdac_get_head(dac)] = sample;
++ dac->dma.head++;
++ }
++ } else {
++ const u16 __user *up = (const u16 __user *)ubuf;
++ u16 sample;
++
++ for (ret = 0; ret < (ssize_t)(ucount - 1); ret += 2) {
++ if (!abdac_dma_space(dac))
++ break;
++
++ if (unlikely(__get_user(sample, up++))) {
++ if (ret == 0)
++ ret = -EFAULT;
++ break;
++ }
++ dac->dma.buf[abdac_get_head(dac)]
++ = (sample << 16) | sample;
++ dac->dma.head++;
++ }
++ }
++
++ return ret;
++}
++
++static ssize_t trans_s16le(struct at32_dac *dac, const char __user *ubuf,
++ size_t ucount)
++{
++ ssize_t ret;
++
++ if (dac->dsp_settings.channels == 2) {
++ const u32 __user *up = (const u32 __user *)ubuf;
++ u32 sample;
++
++ for (ret = 0; ret < (ssize_t)(ucount - 3); ret += 4) {
++ if (!abdac_dma_space(dac))
++ break;
++
++ if (unlikely(__get_user(sample, up++))) {
++ if (ret == 0)
++ ret = -EFAULT;
++ break;
++ }
++ /* Swap bytes in each halfword */
++ dac->dma.buf[abdac_get_head(dac)] = swahb32(sample);
++ dac->dma.head++;
++ }
++ } else {
++ const u16 __user *up = (const u16 __user *)ubuf;
++ u16 sample;
++
++ for (ret = 0; ret < (ssize_t)(ucount - 1); ret += 2) {
++ if (!abdac_dma_space(dac))
++ break;
++
++ if (unlikely(__get_user(sample, up++))) {
++ if (ret == 0)
++ ret = -EFAULT;
++ break;
++ }
++ sample = swab16(sample);
++ dac->dma.buf[abdac_get_head(dac)]
++ = (sample << 16) | sample;
++ dac->dma.head++;
++ }
++ }
++
++ return ret;
++}
++
++static ssize_t abdac_dma_translate_from_user(struct at32_dac *dac,
++ const char __user *buffer,
++ size_t count)
++{
++ /* At least one buffer must be available at this point */
++ dev_dbg(&dac->pdev->dev, "copying %zu bytes from user...\n", count);
++
++ return dac->trans(dac, buffer, count);
++}
++
++static int abdac_set_format(struct at32_dac *dac, int format)
++{
++ unsigned int order;
++
++ switch (format) {
++ case AFMT_S16_BE:
++ order = 1;
++ dac->trans = trans_s16be;
++ break;
++ case AFMT_S16_LE:
++ order = 1;
++ dac->trans = trans_s16le;
++ break;
++ default:
++ dev_dbg(&dac->pdev->dev, "unsupported format: %d\n", format);
++ return -EINVAL;
++ }
++
++ if (dac->dsp_settings.channels == 2)
++ order++;
++
++ dac->dsp_settings.input_order = order;
++ dac->dsp_settings.format = format;
++ return 0;
++}
++
++static int abdac_set_sample_rate(struct at32_dac *dac, unsigned long rate)
++{
++ unsigned long new_rate;
++ int ret;
++
++ ret = clk_set_rate(dac->sample_clk, 256 * rate);
++ if (ret < 0)
++ return ret;
++
++ /* TODO: mplayer seems to have a problem with this */
++#if 0
++ new_rate = clk_get_rate(dac->sample_clk);
++ dac->dsp_settings.sample_rate = new_rate / 256;
++#else
++ dac->dsp_settings.sample_rate = rate;
++#endif
++
++ return 0;
++}
++
++static ssize_t abdac_dsp_write(struct file *file,
++ const char __user *buffer,
++ size_t count, loff_t *ppos)
++{
++ struct at32_dac *dac = file->private_data;
++ DECLARE_WAITQUEUE(wait, current);
++ unsigned int avail;
++ ssize_t copied;
++ ssize_t ret;
++
++ /* Avoid address space checking in the translation functions */
++ if (!access_ok(buffer, count, VERIFY_READ))
++ return -EFAULT;
++
++ down(&dac->sem);
++
++ if (!dac->dma.buf) {
++ ret = abdac_dma_prepare(dac);
++ if (ret)
++ goto out;
++ }
++
++ add_wait_queue(&dac->write_wait, &wait);
++ ret = 0;
++ while (count > 0) {
++ do {
++ abdac_update_dma_tail(dac);
++ avail = abdac_dma_space(dac);
++ set_current_state(TASK_INTERRUPTIBLE);
++ if (avail >= DMA_WRITE_THRESHOLD)
++ break;
++
++ if (file->f_flags & O_NONBLOCK) {
++ if (!ret)
++ ret = -EAGAIN;
++ goto out;
++ }
++
++ pr_debug("Going to wait (avail = %u, count = %zu)\n",
++ avail, count);
++
++ up(&dac->sem);
++ schedule();
++ if (signal_pending(current)) {
++ if (!ret)
++ ret = -ERESTARTSYS;
++ goto out_nosem;
++ }
++ down(&dac->sem);
++ } while (1);
++
++ copied = abdac_dma_translate_from_user(dac, buffer, count);
++ if (copied < 0) {
++ if (!ret)
++ ret = -EFAULT;
++ goto out;
++ }
++
++ abdac_start(dac);
++
++ count -= copied;
++ ret += copied;
++ }
++
++out:
++ up(&dac->sem);
++out_nosem:
++ remove_wait_queue(&dac->write_wait, &wait);
++ set_current_state(TASK_RUNNING);
++ return ret;
++}
++
++static int abdac_dsp_ioctl(struct inode *inode, struct file *file,
++ unsigned int cmd, unsigned long arg)
++{
++ struct at32_dac *dac = file->private_data;
++ int __user *up = (int __user *)arg;
++ struct audio_buf_info abinfo;
++ int val, ret;
++
++ switch (cmd) {
++ case OSS_GETVERSION:
++ return put_user(SOUND_VERSION, up);
++
++ case SNDCTL_DSP_SPEED:
++ if (get_user(val, up))
++ return -EFAULT;
++ if (val >= 0) {
++ abdac_stop(dac);
++ ret = abdac_set_sample_rate(dac, val);
++ if (ret)
++ return ret;
++ }
++ return put_user(dac->dsp_settings.sample_rate, up);
++
++ case SNDCTL_DSP_STEREO:
++ if (get_user(val, up))
++ return -EFAULT;
++ abdac_stop(dac);
++ if (val && dac->dsp_settings.channels == 1)
++ dac->dsp_settings.input_order++;
++ else if (!val && dac->dsp_settings.channels != 1)
++ dac->dsp_settings.input_order--;
++ dac->dsp_settings.channels = val ? 2 : 1;
++ return 0;
++
++ case SNDCTL_DSP_CHANNELS:
++ if (get_user(val, up))
++ return -EFAULT;
++
++ if (val) {
++ if (val < 0 || val > 2)
++ return -EINVAL;
++
++ abdac_stop(dac);
++ dac->dsp_settings.input_order
++ += val - dac->dsp_settings.channels;
++ dac->dsp_settings.channels = val;
++ }
++ return put_user(val, (int *)arg);
++
++ case SNDCTL_DSP_GETFMTS:
++ return put_user(AFMT_S16_BE | AFMT_S16_BE, up);
++
++ case SNDCTL_DSP_SETFMT:
++ if (get_user(val, up))
++ return -EFAULT;
++
++ if (val == AFMT_QUERY) {
++ val = dac->dsp_settings.format;
++ } else {
++ ret = abdac_set_format(dac, val);
++ if (ret)
++ return ret;
++ }
++ return put_user(val, up);
++
++ case SNDCTL_DSP_GETOSPACE:
++ abdac_update_dma_tail(dac);
++ abinfo.fragsize = ((1 << dac->dsp_settings.input_order)
++ * (DMA_PERIOD_SIZE / 4));
++ abinfo.bytes = (abdac_dma_space(dac)
++ << dac->dsp_settings.input_order);
++ abinfo.fragstotal = ((DMA_BUFFER_SIZE * 4)
++ >> (DMA_PERIOD_SHIFT
++ + dac->dsp_settings.input_order));
++ abinfo.fragments = ((abinfo.bytes
++ >> dac->dsp_settings.input_order)
++ / (DMA_PERIOD_SIZE / 4));
++ pr_debug("fragments=%d fragstotal=%d fragsize=%d bytes=%d\n",
++ abinfo.fragments, abinfo.fragstotal, abinfo.fragsize,
++ abinfo.bytes);
++ return copy_to_user(up, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
++
++ default:
++ dev_dbg(&dac->pdev->dev, "Unimplemented ioctl cmd: 0x%x\n", cmd);
++ return -EINVAL;
++ }
++}
++
++static int abdac_dsp_open(struct inode *inode, struct file *file)
++{
++ struct at32_dac *dac = the_dac;
++ int ret;
++
++ if (file->f_mode & FMODE_READ)
++ return -ENXIO;
++
++ down(&dac->sem);
++ ret = -EBUSY;
++ if (dac->busy)
++ goto out;
++
++ dac->dma.head = dac->dma.tail = 0;
++
++ /* FIXME: What are the correct defaults? */
++ dac->dsp_settings.channels = 2;
++ abdac_set_format(dac, AFMT_S16_BE);
++ ret = abdac_set_sample_rate(dac, 8000);
++ if (ret)
++ goto out;
++
++ file->private_data = dac;
++ dac->busy = 1;
++
++ ret = 0;
++
++out:
++ up(&dac->sem);
++ return ret;
++}
++
++static int abdac_dsp_release(struct inode *inode, struct file *file)
++{
++ struct at32_dac *dac = file->private_data;
++
++ down(&dac->sem);
++
++ abdac_stop(dac);
++ abdac_dma_cleanup(dac);
++ dac->busy = 0;
++
++ up(&dac->sem);
++
++ return 0;
++}
++
++static struct file_operations abdac_dsp_fops = {
++ .owner = THIS_MODULE,
++ .llseek = no_llseek,
++ .write = abdac_dsp_write,
++ .ioctl = abdac_dsp_ioctl,
++ .open = abdac_dsp_open,
++ .release = abdac_dsp_release,
++};
++
++static int __init abdac_probe(struct platform_device *pdev)
++{
++ struct at32_dac *dac;
++ struct resource *regs;
++ struct clk *mck;
++ struct clk *sample_clk;
++ int irq;
++ int ret;
++
++ if (the_dac)
++ return -EBUSY;
++
++ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ if (!regs)
++ return -ENXIO;
++ irq = platform_get_irq(pdev, 0);
++ if (irq < 0)
++ return irq;
++
++ mck = clk_get(&pdev->dev, "pclk");
++ if (IS_ERR(mck))
++ return PTR_ERR(mck);
++ sample_clk = clk_get(&pdev->dev, "sample_clk");
++ if (IS_ERR(sample_clk)) {
++ ret = PTR_ERR(sample_clk);
++ goto out_put_mck;
++ }
++ clk_enable(mck);
++
++ ret = -ENOMEM;
++ dac = kzalloc(sizeof(struct at32_dac), GFP_KERNEL);
++ if (!dac)
++ goto out_disable_clk;
++
++ spin_lock_init(&dac->lock);
++ init_MUTEX(&dac->sem);
++ init_waitqueue_head(&dac->write_wait);
++ dac->pdev = pdev;
++ dac->mck = mck;
++ dac->sample_clk = sample_clk;
++
++ dac->regs = ioremap(regs->start, regs->end - regs->start + 1);
++ if (!dac->regs)
++ goto out_free_dac;
++
++ ret = request_irq(irq, abdac_interrupt, 0, "dac", dac);
++ if (ret)
++ goto out_unmap_regs;
++
++ /* FIXME */
++ dac->req.req.dmac = find_dma_controller(0);
++ if (!dac->req.req.dmac)
++ goto out_free_irq;
++
++ ret = dma_alloc_channel(dac->req.req.dmac);
++ if (ret < 0)
++ goto out_free_irq;
++
++ dac->req.req.channel = ret;
++ dac->req.req.block_complete = abdac_dma_block_complete;
++ dac->req.req.error = abdac_dma_error;
++ dac->req.data_reg = regs->start + DAC_DATA;
++ dac->req.periph_id = 2; /* FIXME */
++ dac->req.direction = DMA_DIR_MEM_TO_PERIPH;
++ dac->req.width = DMA_WIDTH_32BIT;
++
++ /* Make sure the DAC is silent and disabled */
++ dac_writel(dac, DATA, 0);
++ dac_writel(dac, CTRL, 0);
++
++ ret = register_sound_dsp(&abdac_dsp_fops, -1);
++ if (ret < 0)
++ goto out_free_dma;
++ dac->dev_dsp = ret;
++
++ /* TODO: Register mixer */
++
++ the_dac = dac;
++ platform_set_drvdata(pdev, dac);
++
++ return 0;
++
++out_free_dma:
++ dma_release_channel(dac->req.req.dmac, dac->req.req.channel);
++out_free_irq:
++ free_irq(irq, dac);
++out_unmap_regs:
++ iounmap(dac->regs);
++out_free_dac:
++ kfree(dac);
++out_disable_clk:
++ clk_disable(mck);
++ clk_put(sample_clk);
++out_put_mck:
++ clk_put(mck);
++ return ret;
++}
++
++static int __exit abdac_remove(struct platform_device *pdev)
++{
++ struct at32_dac *dac;
++
++ dac = platform_get_drvdata(pdev);
++ if (dac) {
++ unregister_sound_dsp(dac->dev_dsp);
++ dma_release_channel(dac->req.req.dmac, dac->req.req.channel);
++ free_irq(platform_get_irq(pdev, 0), dac);
++ iounmap(dac->regs);
++ clk_disable(dac->mck);
++ clk_put(dac->sample_clk);
++ clk_put(dac->mck);
++ kfree(dac);
++ platform_set_drvdata(pdev, NULL);
++ the_dac = NULL;
++ }
++
++ return 0;
++}
++
++static struct platform_driver abdac_driver = {
++ .remove = __exit_p(abdac_remove),
++ .driver = {
++ .name = "abdac",
++ },
++};
++
++static int __init abdac_init(void)
++{
++ return platform_driver_probe(&abdac_driver, abdac_probe);
++}
++module_init(abdac_init);
++
++static void __exit abdac_exit(void)
++{
++ platform_driver_unregister(&abdac_driver);
++}
++module_exit(abdac_exit);
++
++MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>");
++MODULE_DESCRIPTION("Sound Driver for the Atmel AT32 ABDAC");
++MODULE_LICENSE("GPL");
+diff --git a/sound/oss/at32_abdac.h b/sound/oss/at32_abdac.h
+new file mode 100644
+index 0000000..3c88e25
+--- /dev/null
++++ b/sound/oss/at32_abdac.h
+@@ -0,0 +1,59 @@
++/*
++ * Register definitions for the Atmel AT32 on-chip DAC.
++ *
++ * Copyright (C) 2006 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++#ifndef __SOUND_OSS_AT32_ABDAC_H__
++#define __SOUND_OSS_AT32_ABDAC_H__
++
++/* DAC register offsets */
++#define DAC_DATA 0x0000
++#define DAC_CTRL 0x0008
++#define DAC_INT_MASK 0x000c
++#define DAC_INT_EN 0x0010
++#define DAC_INT_DIS 0x0014
++#define DAC_INT_CLR 0x0018
++#define DAC_INT_STATUS 0x001c
++#define DAC_PDC_DATA 0x0020
++
++/* Bitfields in CTRL */
++#define DAC_SWAP_OFFSET 30
++#define DAC_SWAP_SIZE 1
++#define DAC_EN_OFFSET 31
++#define DAC_EN_SIZE 1
++
++/* Bitfields in INT_MASK/INT_EN/INT_DIS/INT_STATUS/INT_CLR */
++#define DAC_UNDERRUN_OFFSET 28
++#define DAC_UNDERRUN_SIZE 1
++#define DAC_TX_READY_OFFSET 29
++#define DAC_TX_READY_SIZE 1
++#define DAC_TX_BUFFER_EMPTY_OFFSET 30
++#define DAC_TX_BUFFER_EMPTY_SIZE 1
++#define DAC_CHANNEL_TX_END_OFFSET 31
++#define DAC_CHANNEL_TX_END_SIZE 1
++
++/* Bit manipulation macros */
++#define DAC_BIT(name) \
++ (1 << DAC_##name##_OFFSET)
++#define DAC_BF(name, value) \
++ (((value) & ((1 << DAC_##name##_SIZE) - 1)) \
++ << DAC_##name##_OFFSET)
++#define DAC_BFEXT(name, value) \
++ (((value) >> DAC_##name##_OFFSET) \
++ & ((1 << DAC_##name##_SIZE) - 1))
++#define DAC_BFINS(name, value, old) \
++ (((old) & ~(((1 << DAC_##name##_SIZE) - 1) \
++ << DAC_##name##_OFFSET)) \
++ | DAC_BF(name,value))
++
++/* Register access macros */
++#define dac_readl(port, reg) \
++ __raw_readl((port)->regs + DAC_##reg)
++#define dac_writel(port, reg, value) \
++ __raw_writel((value), (port)->regs + DAC_##reg)
++
++#endif /* __SOUND_OSS_AT32_ABDAC_H__ */
+diff --git a/sound/spi/Kconfig b/sound/spi/Kconfig
+new file mode 100644
+index 0000000..0d08c29
+--- /dev/null
++++ b/sound/spi/Kconfig
+@@ -0,0 +1,31 @@
++#SPI drivers
++
++menu "SPI devices"
++ depends on SND != n
++
++config SND_AT73C213
++ tristate "Atmel AT73C213 DAC driver"
++ depends on ATMEL_SSC
++ select SND_PCM
++ help
++ Say Y here if you want to use the Atmel AT73C213 external DAC. This
++ DAC can be found on Atmel development boards.
++
++ This driver requires the Atmel SSC driver for sound sink, a
++ peripheral found on most AT91 and AVR32 microprocessors.
++
++ To compile this driver as a module, choose M here: the module will be
++ called snd-at73c213.
++
++config SND_AT73C213_TARGET_BITRATE
++ int "Target bitrate for AT73C213"
++ depends on SND_AT73C213
++ default "48000"
++ range 8000 50000
++ help
++ Sets the target bitrate for the bitrate calculator in the driver.
++ Limited by hardware to be between 8000 Hz and 50000 Hz.
++
++ Set to 48000 Hz by default.
++
++endmenu
+diff --git a/sound/spi/Makefile b/sound/spi/Makefile
+new file mode 100644
+index 0000000..026fb73
+--- /dev/null
++++ b/sound/spi/Makefile
+@@ -0,0 +1,5 @@
++# Makefile for SPI drivers
++
++snd-at73c213-objs := at73c213.o
++
++obj-$(CONFIG_SND_AT73C213) += snd-at73c213.o
+diff --git a/sound/spi/at73c213.c b/sound/spi/at73c213.c
+new file mode 100644
+index 0000000..f514f47
+--- /dev/null
++++ b/sound/spi/at73c213.c
+@@ -0,0 +1,1121 @@
++/*
++ * Driver for AT73C213 16-bit stereo DAC connected to Atmel SSC
++ *
++ * Copyright (C) 2006-2007 Atmel Norway
++ *
++ * This program is free software; you can redistribute it and/or modify it
++ * under the terms of the GNU General Public License version 2 as published by
++ * the Free Software Foundation.
++ */
++
++/*#define DEBUG*/
++
++#include <linux/clk.h>
++#include <linux/err.h>
++#include <linux/delay.h>
++#include <linux/device.h>
++#include <linux/dma-mapping.h>
++#include <linux/init.h>
++#include <linux/interrupt.h>
++#include <linux/module.h>
++#include <linux/platform_device.h>
++#include <linux/io.h>
++
++#include <sound/driver.h>
++#include <sound/initval.h>
++#include <sound/control.h>
++#include <sound/core.h>
++#include <sound/pcm.h>
++
++#include <linux/atmel-ssc.h>
++
++#include <linux/spi/spi.h>
++#include <linux/spi/at73c213.h>
++
++#include "at73c213.h"
++
++#define BITRATE_MIN 8000 /* Hardware limit? */
++#define BITRATE_TARGET CONFIG_SND_AT73C213_TARGET_BITRATE
++#define BITRATE_MAX 50000 /* Hardware limit. */
++
++/* Initial (hardware reset) AT73C213 register values. */
++static u8 snd_at73c213_original_image[18] =
++{
++ 0x00, /* 00 - CTRL */
++ 0x05, /* 01 - LLIG */
++ 0x05, /* 02 - RLIG */
++ 0x08, /* 03 - LPMG */
++ 0x08, /* 04 - RPMG */
++ 0x00, /* 05 - LLOG */
++ 0x00, /* 06 - RLOG */
++ 0x22, /* 07 - OLC */
++ 0x09, /* 08 - MC */
++ 0x00, /* 09 - CSFC */
++ 0x00, /* 0A - MISC */
++ 0x00, /* 0B - */
++ 0x00, /* 0C - PRECH */
++ 0x05, /* 0D - AUXG */
++ 0x00, /* 0E - */
++ 0x00, /* 0F - */
++ 0x00, /* 10 - RST */
++ 0x00, /* 11 - PA_CTRL */
++};
++
++struct snd_at73c213 {
++ struct snd_card *card;
++ struct snd_pcm *pcm;
++ struct snd_pcm_substream *substream;
++ struct at73c213_board_info *board;
++ int irq;
++ int period;
++ unsigned long bitrate;
++ struct clk *bitclk;
++ struct ssc_device *ssc;
++ struct spi_device *spi;
++ u8 spi_wbuffer[2];
++ u8 spi_rbuffer[2];
++ /* Image of the SPI registers in AT73C213. */
++ u8 reg_image[18];
++ /* Protect registers against concurrent access. */
++ spinlock_t lock;
++};
++
++#define get_chip(card) ((struct snd_at73c213 *)card->private_data)
++
++static int
++snd_at73c213_write_reg(struct snd_at73c213 *chip, u8 reg, u8 val)
++{
++ struct spi_message msg;
++ struct spi_transfer msg_xfer = {
++ .len = 2,
++ .cs_change = 0,
++ };
++ int retval;
++
++ spi_message_init(&msg);
++
++ chip->spi_wbuffer[0] = reg;
++ chip->spi_wbuffer[1] = val;
++
++ msg_xfer.tx_buf = chip->spi_wbuffer;
++ msg_xfer.rx_buf = chip->spi_rbuffer;
++ spi_message_add_tail(&msg_xfer, &msg);
++
++ retval = spi_sync(chip->spi, &msg);
++
++ if (!retval)
++ chip->reg_image[reg] = val;
++
++ return retval;
++}
++
++static struct snd_pcm_hardware snd_at73c213_playback_hw = {
++ .info = SNDRV_PCM_INFO_INTERLEAVED |
++ SNDRV_PCM_INFO_BLOCK_TRANSFER,
++ .formats = SNDRV_PCM_FMTBIT_S16_BE,
++ .rates = SNDRV_PCM_RATE_CONTINUOUS,
++ .rate_min = 8000, /* Replaced by chip->bitrate later. */
++ .rate_max = 50000, /* Replaced by chip->bitrate later. */
++ .channels_min = 2,
++ .channels_max = 2,
++ .buffer_bytes_max = 64 * 1024 - 1,
++ .period_bytes_min = 512,
++ .period_bytes_max = 64 * 1024 - 1,
++ .periods_min = 4,
++ .periods_max = 1024,
++};
++
++/*
++ * Calculate and set bitrate and divisions.
++ */
++static int snd_at73c213_set_bitrate(struct snd_at73c213 *chip)
++{
++ unsigned long ssc_rate = clk_get_rate(chip->ssc->clk);
++ unsigned long dac_rate_new, ssc_div, status;
++ unsigned long ssc_div_max, ssc_div_min;
++ int max_tries;
++
++ /*
++ * We connect two clocks here, picking divisors so the I2S clocks
++ * out data at the same rate the DAC clocks it in ... and as close
++ * as practical to the desired target rate.
++ *
++ * The DAC master clock (MCLK) is programmable, and is either 256
++ * or (not here) 384 times the I2S output clock (BCLK).
++ */
++
++ /* SSC clock / (bitrate * stereo * 16-bit). */
++ ssc_div = ssc_rate / (BITRATE_TARGET * 2 * 16);
++ ssc_div_min = ssc_rate / (BITRATE_MAX * 2 * 16);
++ ssc_div_max = ssc_rate / (BITRATE_MIN * 2 * 16);
++ max_tries = (ssc_div_max - ssc_div_min) / 2;
++
++ if (max_tries < 1)
++ max_tries = 1;
++
++ /* ssc_div must be a power of 2. */
++ ssc_div = (ssc_div + 1) & ~1UL;
++
++ if ((ssc_rate / (ssc_div * 2 * 16)) < BITRATE_MIN) {
++ ssc_div -= 2;
++ if ((ssc_rate / (ssc_div * 2 * 16)) > BITRATE_MAX)
++ return -ENXIO;
++ }
++
++ /* Search for a possible bitrate. */
++ do {
++ /* SSC clock / (ssc divider * 16-bit * stereo). */
++ if ((ssc_rate / (ssc_div * 2 * 16)) < BITRATE_MIN)
++ return -ENXIO;
++
++ /* 256 / (2 * 16) = 8 */
++ dac_rate_new = 8 * (ssc_rate / ssc_div);
++
++ status = clk_round_rate(chip->board->dac_clk, dac_rate_new);
++ if (status < 0)
++ return status;
++
++ /* Ignore difference smaller than 256 Hz. */
++ if ((status/256) == (dac_rate_new/256))
++ goto set_rate;
++
++ ssc_div += 2;
++ } while (--max_tries);
++
++ /* Not able to find a valid bitrate. */
++ return -ENXIO;
++
++set_rate:
++ status = clk_set_rate(chip->board->dac_clk, status);
++ if (status < 0)
++ return status;
++
++ /* Set divider in SSC device. */
++ ssc_writel(chip->ssc->regs, CMR, ssc_div/2);
++
++ /* SSC clock / (ssc divider * 16-bit * stereo). */
++ chip->bitrate = ssc_rate / (ssc_div * 16 * 2);
++
++ dev_info(&chip->spi->dev,
++ "at73c213: supported bitrate is %lu (%lu divider)\n",
++ chip->bitrate, ssc_div);
++
++ return 0;
++}
++
++static int snd_at73c213_pcm_open(struct snd_pcm_substream *substream)
++{
++ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream);
++ struct snd_pcm_runtime *runtime = substream->runtime;
++
++ snd_at73c213_playback_hw.rate_min = chip->bitrate;
++ snd_at73c213_playback_hw.rate_max = chip->bitrate;
++ runtime->hw = snd_at73c213_playback_hw;
++ chip->substream = substream;
++
++ return 0;
++}
++
++static int snd_at73c213_pcm_close(struct snd_pcm_substream *substream)
++{
++ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream);
++ chip->substream = NULL;
++ return 0;
++}
++
++static int snd_at73c213_pcm_hw_params(struct snd_pcm_substream *substream,
++ struct snd_pcm_hw_params *hw_params)
++{
++ return snd_pcm_lib_malloc_pages(substream,
++ params_buffer_bytes(hw_params));
++}
++
++static int snd_at73c213_pcm_hw_free(struct snd_pcm_substream *substream)
++{
++ return snd_pcm_lib_free_pages(substream);
++}
++
++static int snd_at73c213_pcm_prepare(struct snd_pcm_substream *substream)
++{
++ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream);
++ struct snd_pcm_runtime *runtime = substream->runtime;
++ int block_size;
++
++ block_size = frames_to_bytes(runtime, runtime->period_size);
++
++ chip->period = 0;
++
++ ssc_writel(chip->ssc->regs, PDC_TPR,
++ (long)runtime->dma_addr);
++ ssc_writel(chip->ssc->regs, PDC_TCR, runtime->period_size * 2);
++ ssc_writel(chip->ssc->regs, PDC_TNPR,
++ (long)runtime->dma_addr + block_size);
++ ssc_writel(chip->ssc->regs, PDC_TNCR, runtime->period_size * 2);
++
++ return 0;
++}
++
++static int snd_at73c213_pcm_trigger(struct snd_pcm_substream *substream,
++ int cmd)
++{
++ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream);
++ int retval = 0;
++
++ spin_lock(&chip->lock);
++
++ switch (cmd) {
++ case SNDRV_PCM_TRIGGER_START:
++ ssc_writel(chip->ssc->regs, IER, SSC_BIT(IER_ENDTX));
++ ssc_writel(chip->ssc->regs, PDC_PTCR, SSC_BIT(PDC_PTCR_TXTEN));
++ break;
++ case SNDRV_PCM_TRIGGER_STOP:
++ ssc_writel(chip->ssc->regs, PDC_PTCR, SSC_BIT(PDC_PTCR_TXTDIS));
++ ssc_writel(chip->ssc->regs, IDR, SSC_BIT(IDR_ENDTX));
++ break;
++ default:
++ dev_dbg(&chip->spi->dev, "spurious command %x\n", cmd);
++ retval = -EINVAL;
++ break;
++ }
++
++ spin_unlock(&chip->lock);
++
++ return retval;
++}
++
++static snd_pcm_uframes_t
++snd_at73c213_pcm_pointer(struct snd_pcm_substream *substream)
++{
++ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream);
++ struct snd_pcm_runtime *runtime = substream->runtime;
++ snd_pcm_uframes_t pos;
++ unsigned long bytes;
++
++ bytes = ssc_readl(chip->ssc->regs, PDC_TPR)
++ - (unsigned long)runtime->dma_addr;
++
++ pos = bytes_to_frames(runtime, bytes);
++ if (pos >= runtime->buffer_size)
++ pos -= runtime->buffer_size;
++
++ return pos;
++}
++
++static struct snd_pcm_ops at73c213_playback_ops = {
++ .open = snd_at73c213_pcm_open,
++ .close = snd_at73c213_pcm_close,
++ .ioctl = snd_pcm_lib_ioctl,
++ .hw_params = snd_at73c213_pcm_hw_params,
++ .hw_free = snd_at73c213_pcm_hw_free,
++ .prepare = snd_at73c213_pcm_prepare,
++ .trigger = snd_at73c213_pcm_trigger,
++ .pointer = snd_at73c213_pcm_pointer,
++};
++
++static void snd_at73c213_pcm_free(struct snd_pcm *pcm)
++{
++ struct snd_at73c213 *chip = snd_pcm_chip(pcm);
++ if (chip->pcm) {
++ snd_pcm_lib_preallocate_free_for_all(chip->pcm);
++ chip->pcm = NULL;
++ }
++}
++
++static int __devinit snd_at73c213_pcm_new(struct snd_at73c213 *chip, int device)
++{
++ struct snd_pcm *pcm;
++ int retval;
++
++ retval = snd_pcm_new(chip->card, chip->card->shortname,
++ device, 1, 0, &pcm);
++ if (retval < 0)
++ goto out;
++
++ pcm->private_data = chip;
++ pcm->private_free = snd_at73c213_pcm_free;
++ pcm->info_flags = SNDRV_PCM_INFO_BLOCK_TRANSFER;
++ strcpy(pcm->name, "at73c213");
++ chip->pcm = pcm;
++
++ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &at73c213_playback_ops);
++
++ retval = snd_pcm_lib_preallocate_pages_for_all(chip->pcm,
++ SNDRV_DMA_TYPE_DEV, &chip->ssc->pdev->dev,
++ 64 * 1024, 64 * 1024);
++out:
++ return retval;
++}
++
++static irqreturn_t snd_at73c213_interrupt(int irq, void *dev_id)
++{
++ struct snd_at73c213 *chip = dev_id;
++ struct snd_pcm_runtime *runtime = chip->substream->runtime;
++ u32 status;
++ int offset;
++ int block_size;
++ int next_period;
++ int retval = IRQ_NONE;
++
++ spin_lock(&chip->lock);
++
++ block_size = frames_to_bytes(runtime, runtime->period_size);
++ status = ssc_readl(chip->ssc->regs, IMR);
++
++ if (status & SSC_BIT(IMR_ENDTX)) {
++ chip->period++;
++ if (chip->period == runtime->periods)
++ chip->period = 0;
++ next_period = chip->period + 1;
++ if (next_period == runtime->periods)
++ next_period = 0;
++
++ offset = block_size * next_period;
++
++ ssc_writel(chip->ssc->regs, PDC_TNPR,
++ (long)runtime->dma_addr + offset);
++ ssc_writel(chip->ssc->regs, PDC_TNCR, runtime->period_size * 2);
++ retval = IRQ_HANDLED;
++ }
++
++ ssc_readl(chip->ssc->regs, IMR);
++ spin_unlock(&chip->lock);
++
++ if (status & SSC_BIT(IMR_ENDTX))
++ snd_pcm_period_elapsed(chip->substream);
++
++ return retval;
++}
++
++/*
++ * Mixer functions.
++ */
++static int snd_at73c213_mono_get(struct snd_kcontrol *kcontrol,
++ struct snd_ctl_elem_value *ucontrol)
++{
++ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol);
++ int reg = kcontrol->private_value & 0xff;
++ int shift = (kcontrol->private_value >> 8) & 0xff;
++ int mask = (kcontrol->private_value >> 16) & 0xff;
++ int invert = (kcontrol->private_value >> 24) & 0xff;
++
++ spin_lock_irq(&chip->lock);
++
++ ucontrol->value.integer.value[0] = (chip->reg_image[reg] >> shift) & mask;
++
++ if (invert)
++ ucontrol->value.integer.value[0] =
++ (mask - ucontrol->value.integer.value[0]);
++
++ spin_unlock_irq(&chip->lock);
++
++ return 0;
++}
++
++static int snd_at73c213_mono_put(struct snd_kcontrol *kcontrol,
++ struct snd_ctl_elem_value *ucontrol)
++{
++ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol);
++ int reg = kcontrol->private_value & 0xff;
++ int shift = (kcontrol->private_value >> 8) & 0xff;
++ int mask = (kcontrol->private_value >> 16) & 0xff;
++ int invert = (kcontrol->private_value >> 24) & 0xff;
++ int change, retval;
++ unsigned short val;
++
++ val = (ucontrol->value.integer.value[0] & mask);
++ if (invert)
++ val = mask - val;
++ val <<= shift;
++
++ spin_lock_irq(&chip->lock);
++
++ val = (chip->reg_image[reg] & ~(mask << shift)) | val;
++ change = val != chip->reg_image[reg];
++ retval = snd_at73c213_write_reg(chip, reg, val);
++
++ spin_unlock_irq(&chip->lock);
++
++ if (retval)
++ return retval;
++
++ return change;
++}
++
++static int snd_at73c213_stereo_info(struct snd_kcontrol *kcontrol,
++ struct snd_ctl_elem_info *uinfo)
++{
++ int mask = (kcontrol->private_value >> 24) & 0xff;
++
++ if (mask == 1)
++ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
++ else
++ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
++
++ uinfo->count = 2;
++ uinfo->value.integer.min = 0;
++ uinfo->value.integer.max = mask;
++
++ return 0;
++}
++
++static int snd_at73c213_stereo_get(struct snd_kcontrol *kcontrol,
++ struct snd_ctl_elem_value *ucontrol)
++{
++ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol);
++ int left_reg = kcontrol->private_value & 0xff;
++ int right_reg = (kcontrol->private_value >> 8) & 0xff;
++ int shift_left = (kcontrol->private_value >> 16) & 0x07;
++ int shift_right = (kcontrol->private_value >> 19) & 0x07;
++ int mask = (kcontrol->private_value >> 24) & 0xff;
++ int invert = (kcontrol->private_value >> 22) & 1;
++
++ spin_lock_irq(&chip->lock);
++
++ ucontrol->value.integer.value[0] =
++ (chip->reg_image[left_reg] >> shift_left) & mask;
++ ucontrol->value.integer.value[1] =
++ (chip->reg_image[right_reg] >> shift_right) & mask;
++
++ if (invert) {
++ ucontrol->value.integer.value[0] =
++ (mask - ucontrol->value.integer.value[0]);
++ ucontrol->value.integer.value[1] =
++ (mask - ucontrol->value.integer.value[1]);
++ }
++
++ spin_unlock_irq(&chip->lock);
++
++ return 0;
++}
++
++static int snd_at73c213_stereo_put(struct snd_kcontrol *kcontrol,
++ struct snd_ctl_elem_value *ucontrol)
++{
++ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol);
++ int left_reg = kcontrol->private_value & 0xff;
++ int right_reg = (kcontrol->private_value >> 8) & 0xff;
++ int shift_left = (kcontrol->private_value >> 16) & 0x07;
++ int shift_right = (kcontrol->private_value >> 19) & 0x07;
++ int mask = (kcontrol->private_value >> 24) & 0xff;
++ int invert = (kcontrol->private_value >> 22) & 1;
++ int change, retval;
++ unsigned short val1, val2;
++
++ val1 = ucontrol->value.integer.value[0] & mask;
++ val2 = ucontrol->value.integer.value[1] & mask;
++ if (invert) {
++ val1 = mask - val1;
++ val2 = mask - val2;
++ }
++ val1 <<= shift_left;
++ val2 <<= shift_right;
++
++ spin_lock_irq(&chip->lock);
++
++ val1 = (chip->reg_image[left_reg] & ~(mask << shift_left)) | val1;
++ val2 = (chip->reg_image[right_reg] & ~(mask << shift_right)) | val2;
++ change = val1 != chip->reg_image[left_reg]
++ || val2 != chip->reg_image[right_reg];
++ retval = snd_at73c213_write_reg(chip, left_reg, val1);
++ if (retval) {
++ spin_unlock_irq(&chip->lock);
++ goto out;
++ }
++ retval = snd_at73c213_write_reg(chip, right_reg, val2);
++ if (retval) {
++ spin_unlock_irq(&chip->lock);
++ goto out;
++ }
++
++ spin_unlock_irq(&chip->lock);
++
++ return change;
++
++out:
++ return retval;
++}
++
++static int snd_at73c213_mono_switch_info(struct snd_kcontrol *kcontrol,
++ struct snd_ctl_elem_info *uinfo)
++{
++ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
++ uinfo->count = 1;
++ uinfo->value.integer.min = 0;
++ uinfo->value.integer.max = 1;
++
++ return 0;
++}
++
++static int snd_at73c213_mono_switch_get(struct snd_kcontrol *kcontrol,
++ struct snd_ctl_elem_value *ucontrol)
++{
++ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol);
++ int reg = kcontrol->private_value & 0xff;
++ int shift = (kcontrol->private_value >> 8) & 0xff;
++ int invert = (kcontrol->private_value >> 24) & 0xff;
++
++ spin_lock_irq(&chip->lock);
++
++ ucontrol->value.integer.value[0] = (chip->reg_image[reg] >> shift) & 0x01;
++
++ if (invert)
++ ucontrol->value.integer.value[0] =
++ (0x01 - ucontrol->value.integer.value[0]);
++
++ spin_unlock_irq(&chip->lock);
++
++ return 0;
++}
++
++static int snd_at73c213_mono_switch_put(struct snd_kcontrol *kcontrol,
++ struct snd_ctl_elem_value *ucontrol)
++{
++ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol);
++ int reg = kcontrol->private_value & 0xff;
++ int shift = (kcontrol->private_value >> 8) & 0xff;
++ int mask = (kcontrol->private_value >> 16) & 0xff;
++ int invert = (kcontrol->private_value >> 24) & 0xff;
++ int change, retval;
++ unsigned short val;
++
++ if (ucontrol->value.integer.value[0])
++ val = mask;
++ else
++ val = 0;
++
++ if (invert)
++ val = mask - val;
++ val <<= shift;
++
++ spin_lock_irq(&chip->lock);
++
++ val |= (chip->reg_image[reg] & ~(mask << shift));
++ change = val != chip->reg_image[reg];
++
++ retval = snd_at73c213_write_reg(chip, reg, val);
++
++ spin_unlock_irq(&chip->lock);
++
++ if (retval)
++ return retval;
++
++ return change;
++}
++
++static int snd_at73c213_pa_volume_info(struct snd_kcontrol *kcontrol,
++ struct snd_ctl_elem_info *uinfo)
++{
++ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
++ uinfo->count = 1;
++ uinfo->value.integer.min = 0;
++ uinfo->value.integer.max = ((kcontrol->private_value >> 16) & 0xff) - 1;
++
++ return 0;
++}
++
++static int snd_at73c213_line_capture_volume_info(
++ struct snd_kcontrol *kcontrol,
++ struct snd_ctl_elem_info *uinfo)
++{
++ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
++ uinfo->count = 2;
++ /* When inverted will give values 0x10001 => 0. */
++ uinfo->value.integer.min = 14;
++ uinfo->value.integer.max = 31;
++
++ return 0;
++}
++
++static int snd_at73c213_aux_capture_volume_info(
++ struct snd_kcontrol *kcontrol,
++ struct snd_ctl_elem_info *uinfo)
++{
++ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
++ uinfo->count = 1;
++ /* When inverted will give values 0x10001 => 0. */
++ uinfo->value.integer.min = 14;
++ uinfo->value.integer.max = 31;
++
++ return 0;
++}
++
++#define AT73C213_MONO_SWITCH(xname, xindex, reg, shift, mask, invert) \
++{ \
++ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
++ .name = xname, \
++ .index = xindex, \
++ .info = snd_at73c213_mono_switch_info, \
++ .get = snd_at73c213_mono_switch_get, \
++ .put = snd_at73c213_mono_switch_put, \
++ .private_value = (reg | (shift << 8) | (mask << 16) | (invert << 24)) \
++}
++
++#define AT73C213_STEREO(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
++{ \
++ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
++ .name = xname, \
++ .index = xindex, \
++ .info = snd_at73c213_stereo_info, \
++ .get = snd_at73c213_stereo_get, \
++ .put = snd_at73c213_stereo_put, \
++ .private_value = (left_reg | (right_reg << 8) \
++ | (shift_left << 16) | (shift_right << 19) \
++ | (mask << 24) | (invert << 22)) \
++}
++
++static struct snd_kcontrol_new snd_at73c213_controls[] __devinitdata = {
++AT73C213_STEREO("Master Playback Volume", 0, DAC_LMPG, DAC_RMPG, 0, 0, 0x1f, 1),
++AT73C213_STEREO("Master Playback Switch", 0, DAC_LMPG, DAC_RMPG, 5, 5, 1, 1),
++AT73C213_STEREO("PCM Playback Volume", 0, DAC_LLOG, DAC_RLOG, 0, 0, 0x1f, 1),
++AT73C213_STEREO("PCM Playback Switch", 0, DAC_LLOG, DAC_RLOG, 5, 5, 1, 1),
++AT73C213_MONO_SWITCH("Mono PA Playback Switch", 0, DAC_CTRL, DAC_CTRL_ONPADRV, 0x01, 0),
++{
++ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
++ .name = "PA Playback Volume",
++ .index = 0,
++ .info = snd_at73c213_pa_volume_info,
++ .get = snd_at73c213_mono_get,
++ .put = snd_at73c213_mono_put,
++ .private_value = PA_CTRL | (PA_CTRL_APAGAIN << 8) | (0x0f << 16) | (1 << 24),
++},
++AT73C213_MONO_SWITCH("PA High Gain Playback Switch", 0, PA_CTRL, PA_CTRL_APALP, 0x01, 1),
++AT73C213_MONO_SWITCH("PA Playback Switch", 0, PA_CTRL, PA_CTRL_APAON, 0x01, 0),
++{
++ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
++ .name = "Aux Capture Volume",
++ .index = 0,
++ .info = snd_at73c213_aux_capture_volume_info,
++ .get = snd_at73c213_mono_get,
++ .put = snd_at73c213_mono_put,
++ .private_value = DAC_AUXG | (0 << 8) | (0x1f << 16) | (1 << 24),
++},
++AT73C213_MONO_SWITCH("Aux Capture Switch", 0, DAC_CTRL, DAC_CTRL_ONAUXIN, 0x01, 0),
++{
++ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
++ .name = "Line Capture Volume",
++ .index = 0,
++ .info = snd_at73c213_line_capture_volume_info,
++ .get = snd_at73c213_stereo_get,
++ .put = snd_at73c213_stereo_put,
++ .private_value = DAC_LLIG | (DAC_RLIG << 8) | (0 << 16) | (0 << 19)
++ | (0x1f << 24) | (1 << 22),
++},
++AT73C213_MONO_SWITCH("Line Capture Switch", 0, DAC_CTRL, 0, 0x03, 0),
++};
++
++static int __devinit snd_at73c213_mixer(struct snd_at73c213 *chip)
++{
++ struct snd_card *card;
++ int errval, idx;
++
++ if (chip == NULL || chip->pcm == NULL)
++ return -EINVAL;
++
++ card = chip->card;
++
++ strcpy(card->mixername, chip->pcm->name);
++
++ for (idx = 0; idx < ARRAY_SIZE(snd_at73c213_controls); idx++) {
++ errval = snd_ctl_add(card,
++ snd_ctl_new1(&snd_at73c213_controls[idx],
++ chip));
++ if (errval < 0)
++ goto cleanup;
++ }
++
++ return 0;
++
++cleanup:
++ for (idx = 1; idx < ARRAY_SIZE(snd_at73c213_controls) + 1; idx++) {
++ struct snd_kcontrol *kctl;
++ kctl = snd_ctl_find_numid(card, idx);
++ if (kctl)
++ snd_ctl_remove(card, kctl);
++ }
++ return errval;
++}
++
++/*
++ * Device functions
++ */
++static int snd_at73c213_ssc_init(struct snd_at73c213 *chip)
++{
++ /*
++ * Continuous clock output.
++ * Starts on falling TF.
++ * Delay 1 cycle (1 bit).
++ * Periode is 16 bit (16 - 1).
++ */
++ ssc_writel(chip->ssc->regs, TCMR,
++ SSC_BF(TCMR_CKO, 1)
++ | SSC_BF(TCMR_START, 4)
++ | SSC_BF(TCMR_STTDLY, 1)
++ | SSC_BF(TCMR_PERIOD, 16 - 1));
++ /*
++ * Data length is 16 bit (16 - 1).
++ * Transmit MSB first.
++ * Transmit 2 words each transfer.
++ * Frame sync length is 16 bit (16 - 1).
++ * Frame starts on negative pulse.
++ */
++ ssc_writel(chip->ssc->regs, TFMR,
++ SSC_BF(TFMR_DATLEN, 16 - 1)
++ | SSC_BIT(TFMR_MSBF)
++ | SSC_BF(TFMR_DATNB, 1)
++ | SSC_BF(TFMR_FSLEN, 16 - 1)
++ | SSC_BF(TFMR_FSOS, 1));
++
++ return 0;
++}
++
++static int snd_at73c213_chip_init(struct snd_at73c213 *chip)
++{
++ int retval;
++ unsigned char dac_ctrl = 0;
++
++ retval = snd_at73c213_set_bitrate(chip);
++ if (retval)
++ goto out;
++
++ /* Enable DAC master clock. */
++ clk_enable(chip->board->dac_clk);
++
++ /* Initialize at73c213 on SPI bus. */
++ retval = snd_at73c213_write_reg(chip, DAC_RST, 0x04);
++ if (retval)
++ goto out_clk;
++ msleep(1);
++ retval = snd_at73c213_write_reg(chip, DAC_RST, 0x03);
++ if (retval)
++ goto out_clk;
++
++ /* Precharge everything. */
++ retval = snd_at73c213_write_reg(chip, DAC_PRECH, 0xff);
++ if (retval)
++ goto out_clk;
++ retval = snd_at73c213_write_reg(chip, PA_CTRL, (1<<PA_CTRL_APAPRECH));
++ if (retval)
++ goto out_clk;
++ retval = snd_at73c213_write_reg(chip, DAC_CTRL,
++ (1<<DAC_CTRL_ONLNOL) | (1<<DAC_CTRL_ONLNOR));
++ if (retval)
++ goto out_clk;
++
++ msleep(50);
++
++ /* Stop precharging PA. */
++ retval = snd_at73c213_write_reg(chip, PA_CTRL,
++ (1<<PA_CTRL_APALP) | 0x0f);
++ if (retval)
++ goto out_clk;
++
++ msleep(450);
++
++ /* Stop precharging DAC, turn on master power. */
++ retval = snd_at73c213_write_reg(chip, DAC_PRECH, (1<<DAC_PRECH_ONMSTR));
++ if (retval)
++ goto out_clk;
++
++ msleep(1);
++
++ /* Turn on DAC. */
++ dac_ctrl = (1<<DAC_CTRL_ONDACL) | (1<<DAC_CTRL_ONDACR)
++ | (1<<DAC_CTRL_ONLNOL) | (1<<DAC_CTRL_ONLNOR);
++
++ retval = snd_at73c213_write_reg(chip, DAC_CTRL, dac_ctrl);
++ if (retval)
++ goto out_clk;
++
++ /* Mute sound. */
++ retval = snd_at73c213_write_reg(chip, DAC_LMPG, 0x3f);
++ if (retval)
++ goto out_clk;
++ retval = snd_at73c213_write_reg(chip, DAC_RMPG, 0x3f);
++ if (retval)
++ goto out_clk;
++ retval = snd_at73c213_write_reg(chip, DAC_LLOG, 0x3f);
++ if (retval)
++ goto out_clk;
++ retval = snd_at73c213_write_reg(chip, DAC_RLOG, 0x3f);
++ if (retval)
++ goto out_clk;
++ retval = snd_at73c213_write_reg(chip, DAC_LLIG, 0x11);
++ if (retval)
++ goto out_clk;
++ retval = snd_at73c213_write_reg(chip, DAC_RLIG, 0x11);
++ if (retval)
++ goto out_clk;
++ retval = snd_at73c213_write_reg(chip, DAC_AUXG, 0x11);
++ if (retval)
++ goto out_clk;
++
++ /* Enable I2S device, i.e. clock output. */
++ ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXEN));
++
++ goto out;
++
++out_clk:
++ clk_disable(chip->board->dac_clk);
++out:
++ return retval;
++}
++
++static int snd_at73c213_dev_free(struct snd_device *device)
++{
++ struct snd_at73c213 *chip = device->device_data;
++
++ ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXDIS));
++ if (chip->irq >= 0) {
++ free_irq(chip->irq, chip);
++ chip->irq = -1;
++ }
++
++ return 0;
++}
++
++static int __devinit snd_at73c213_dev_init(struct snd_card *card,
++ struct spi_device *spi)
++{
++ static struct snd_device_ops ops = {
++ .dev_free = snd_at73c213_dev_free,
++ };
++ struct snd_at73c213 *chip = get_chip(card);
++ int irq, retval;
++
++ irq = chip->ssc->irq;
++ if (irq < 0)
++ return irq;
++
++ spin_lock_init(&chip->lock);
++ chip->card = card;
++ chip->irq = -1;
++
++ retval = request_irq(irq, snd_at73c213_interrupt, 0, "at73c213", chip);
++ if (retval) {
++ dev_dbg(&chip->spi->dev, "unable to request irq %d\n", irq);
++ goto out;
++ }
++ chip->irq = irq;
++
++ memcpy(&chip->reg_image, &snd_at73c213_original_image,
++ sizeof(snd_at73c213_original_image));
++
++ retval = snd_at73c213_ssc_init(chip);
++ if (retval)
++ goto out_irq;
++
++ retval = snd_at73c213_chip_init(chip);
++ if (retval)
++ goto out_irq;
++
++ retval = snd_at73c213_pcm_new(chip, 0);
++ if (retval)
++ goto out_irq;
++
++ retval = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
++ if (retval)
++ goto out_irq;
++
++ retval = snd_at73c213_mixer(chip);
++ if (retval)
++ goto out_snd_dev;
++
++ snd_card_set_dev(card, &spi->dev);
++
++ goto out;
++
++out_snd_dev:
++ snd_device_free(card, chip);
++out_irq:
++ free_irq(chip->irq, chip);
++ chip->irq = -1;
++out:
++ return retval;
++}
++
++static int snd_at73c213_probe(struct spi_device *spi)
++{
++ struct snd_card *card;
++ struct snd_at73c213 *chip;
++ struct at73c213_board_info *board;
++ int retval;
++ char id[16];
++
++ board = spi->dev.platform_data;
++ if (!board) {
++ dev_dbg(&spi->dev, "no platform_data\n");
++ return -ENXIO;
++ }
++
++ if (!board->dac_clk) {
++ dev_dbg(&spi->dev, "no DAC clk\n");
++ return -ENXIO;
++ }
++
++ if (IS_ERR(board->dac_clk)) {
++ dev_dbg(&spi->dev, "no DAC clk\n");
++ return PTR_ERR(board->dac_clk);
++ }
++
++ retval = -ENOMEM;
++
++ /* Allocate "card" using some unused identifiers. */
++ snprintf(id, sizeof id, "at73c213_%d", board->ssc_id);
++ card = snd_card_new(-1, id, THIS_MODULE, sizeof(struct snd_at73c213));
++ if (!card)
++ goto out;
++
++ chip = card->private_data;
++ chip->spi = spi;
++ chip->board = board;
++
++ chip->ssc = ssc_request(board->ssc_id);
++ if (IS_ERR(chip->ssc)) {
++ dev_dbg(&spi->dev, "could not get ssc%d device\n",
++ board->ssc_id);
++ retval = PTR_ERR(chip->ssc);
++ goto out_card;
++ }
++
++ retval = snd_at73c213_dev_init(card, spi);
++ if (retval)
++ goto out_ssc;
++
++ strcpy(card->driver, "at73c213");
++ strcpy(card->shortname, board->shortname);
++ sprintf(card->longname, "%s on irq %d", card->shortname, chip->irq);
++
++ retval = snd_card_register(card);
++ if (retval)
++ goto out_ssc;
++
++ dev_set_drvdata(&spi->dev, card);
++
++ goto out;
++
++out_ssc:
++ ssc_free(chip->ssc);
++out_card:
++ snd_card_free(card);
++out:
++ return retval;
++}
++
++static int __devexit snd_at73c213_remove(struct spi_device *spi)
++{
++ struct snd_card *card = dev_get_drvdata(&spi->dev);
++ struct snd_at73c213 *chip = card->private_data;
++ int retval;
++
++ /* Stop playback. */
++ ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXDIS));
++
++ /* Mute sound. */
++ retval = snd_at73c213_write_reg(chip, DAC_LMPG, 0x3f);
++ if (retval)
++ goto out;
++ retval = snd_at73c213_write_reg(chip, DAC_RMPG, 0x3f);
++ if (retval)
++ goto out;
++ retval = snd_at73c213_write_reg(chip, DAC_LLOG, 0x3f);
++ if (retval)
++ goto out;
++ retval = snd_at73c213_write_reg(chip, DAC_RLOG, 0x3f);
++ if (retval)
++ goto out;
++ retval = snd_at73c213_write_reg(chip, DAC_LLIG, 0x11);
++ if (retval)
++ goto out;
++ retval = snd_at73c213_write_reg(chip, DAC_RLIG, 0x11);
++ if (retval)
++ goto out;
++ retval = snd_at73c213_write_reg(chip, DAC_AUXG, 0x11);
++ if (retval)
++ goto out;
++
++ /* Turn off PA. */
++ retval = snd_at73c213_write_reg(chip, PA_CTRL, (chip->reg_image[PA_CTRL]|0x0f));
++ if (retval)
++ goto out;
++ msleep(10);
++ retval = snd_at73c213_write_reg(chip, PA_CTRL, (1<<PA_CTRL_APALP)|0x0f);
++ if (retval)
++ goto out;
++
++ /* Turn off external DAC. */
++ retval = snd_at73c213_write_reg(chip, DAC_CTRL, 0x0c);
++ if (retval)
++ goto out;
++ msleep(2);
++ retval = snd_at73c213_write_reg(chip, DAC_CTRL, 0x00);
++ if (retval)
++ goto out;
++
++ /* Turn off master power. */
++ retval = snd_at73c213_write_reg(chip, DAC_PRECH, 0x00);
++ if (retval)
++ goto out;
++
++out:
++ /* Stop DAC master clock. */
++ clk_disable(chip->board->dac_clk);
++
++ ssc_free(chip->ssc);
++ snd_card_free(card);
++ dev_set_drvdata(&spi->dev, NULL);
++
++ return 0;
++}
++
++#ifdef CONFIG_PM
++static int snd_at73c213_suspend(struct spi_device *spi, pm_message_t msg)
++{
++ struct snd_card *card = dev_get_drvdata(&spi->dev);
++ struct snd_at73c213 *chip = card->private_data;
++
++ ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXDIS));
++ clk_disable(chip->board->dac_clk);
++
++ return 0;
++}
++
++static int snd_at73c213_resume(struct spi_device *spi)
++{
++ struct snd_card *card = dev_get_drvdata(&spi->dev);
++ struct snd_at73c213 *chip = card->private_data;
++
++ clk_enable(chip->board->dac_clk);
++ ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXEN));
++
++ return 0;
++}
++#else
++#define snd_at73c213_suspend NULL
++#define snd_at73c213_resume NULL
++#endif
++
++static struct spi_driver at73c213_driver = {
++ .driver = {
++ .name = "at73c213",
++ },
++ .probe = snd_at73c213_probe,
++ .suspend = snd_at73c213_suspend,
++ .resume = snd_at73c213_resume,
++ .remove = __devexit_p(snd_at73c213_remove),
++};
++
++static int __init at73c213_init(void)
++{
++ return spi_register_driver(&at73c213_driver);
++}
++module_init(at73c213_init);
++
++static void __exit at73c213_exit(void)
++{
++ spi_unregister_driver(&at73c213_driver);
++}
++module_exit(at73c213_exit);
++
++MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>");
++MODULE_DESCRIPTION("Sound driver for AT73C213 with Atmel SSC");
++MODULE_LICENSE("GPL");
+diff --git a/sound/spi/at73c213.h b/sound/spi/at73c213.h
+new file mode 100644
+index 0000000..fd8b372
+--- /dev/null
++++ b/sound/spi/at73c213.h
+@@ -0,0 +1,119 @@
++/*
++ * Driver for the AT73C213 16-bit stereo DAC on Atmel ATSTK1000
++ *
++ * Copyright (C) 2006 - 2007 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or
++ * modify it under the terms of the GNU General Public License as
++ * published by the Free Software Foundation; either version 2 of the
++ * License, or (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful, but
++ * WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++ * General Public License for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software
++ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
++ * 02111-1307, USA.
++ *
++ * The full GNU General Public License is included in this
++ * distribution in the file called COPYING.
++ */
++
++#ifndef _SND_AT73C213_H
++#define _SND_AT73C213_H
++
++/* DAC control register */
++#define DAC_CTRL 0x00
++#define DAC_CTRL_ONPADRV 7
++#define DAC_CTRL_ONAUXIN 6
++#define DAC_CTRL_ONDACR 5
++#define DAC_CTRL_ONDACL 4
++#define DAC_CTRL_ONLNOR 3
++#define DAC_CTRL_ONLNOL 2
++#define DAC_CTRL_ONLNIR 1
++#define DAC_CTRL_ONLNIL 0
++
++/* DAC left line in gain register */
++#define DAC_LLIG 0x01
++#define DAC_LLIG_LLIG 0
++
++/* DAC right line in gain register */
++#define DAC_RLIG 0x02
++#define DAC_RLIG_RLIG 0
++
++/* DAC Left Master Playback Gain Register */
++#define DAC_LMPG 0x03
++#define DAC_LMPG_LMPG 0
++
++/* DAC Right Master Playback Gain Register */
++#define DAC_RMPG 0x04
++#define DAC_RMPG_RMPG 0
++
++/* DAC Left Line Out Gain Register */
++#define DAC_LLOG 0x05
++#define DAC_LLOG_LLOG 0
++
++/* DAC Right Line Out Gain Register */
++#define DAC_RLOG 0x06
++#define DAC_RLOG_RLOG 0
++
++/* DAC Output Level Control Register */
++#define DAC_OLC 0x07
++#define DAC_OLC_RSHORT 7
++#define DAC_OLC_ROLC 4
++#define DAC_OLC_LSHORT 3
++#define DAC_OLC_LOLC 0
++
++/* DAC Mixer Control Register */
++#define DAC_MC 0x08
++#define DAC_MC_INVR 5
++#define DAC_MC_INVL 4
++#define DAC_MC_RMSMIN2 3
++#define DAC_MC_RMSMIN1 2
++#define DAC_MC_LMSMIN2 1
++#define DAC_MC_LMSMIN1 0
++
++/* DAC Clock and Sampling Frequency Control Register */
++#define DAC_CSFC 0x09
++#define DAC_CSFC_OVRSEL 4
++
++/* DAC Miscellaneous Register */
++#define DAC_MISC 0x0A
++#define DAC_MISC_VCMCAPSEL 7
++#define DAC_MISC_DINTSEL 4
++#define DAC_MISC_DITHEN 3
++#define DAC_MISC_DEEMPEN 2
++#define DAC_MISC_NBITS 0
++
++/* DAC Precharge Control Register */
++#define DAC_PRECH 0x0C
++#define DAC_PRECH_PRCHGPDRV 7
++#define DAC_PRECH_PRCHGAUX1 6
++#define DAC_PRECH_PRCHGLNOR 5
++#define DAC_PRECH_PRCHGLNOL 4
++#define DAC_PRECH_PRCHGLNIR 3
++#define DAC_PRECH_PRCHGLNIL 2
++#define DAC_PRECH_PRCHG 1
++#define DAC_PRECH_ONMSTR 0
++
++/* DAC Auxiliary Input Gain Control Register */
++#define DAC_AUXG 0x0D
++#define DAC_AUXG_AUXG 0
++
++/* DAC Reset Register */
++#define DAC_RST 0x10
++#define DAC_RST_RESMASK 2
++#define DAC_RST_RESFILZ 1
++#define DAC_RST_RSTZ 0
++
++/* Power Amplifier Control Register */
++#define PA_CTRL 0x11
++#define PA_CTRL_APAON 6
++#define PA_CTRL_APAPRECH 5
++#define PA_CTRL_APALP 4
++#define PA_CTRL_APAGAIN 0
++
++#endif /* _SND_AT73C213_H */
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