+++ /dev/null
-#ifndef _INTEL_H_
-#define _INTEL_H_
-
-#include "xf86drm.h" /* drm_handle_t, etc */
-
-/* Intel */
-#ifndef PCI_CHIP_I810
-#define PCI_CHIP_I810 0x7121
-#define PCI_CHIP_I810_DC100 0x7123
-#define PCI_CHIP_I810_E 0x7125
-#define PCI_CHIP_I815 0x1132
-#define PCI_CHIP_I810_BRIDGE 0x7120
-#define PCI_CHIP_I810_DC100_BRIDGE 0x7122
-#define PCI_CHIP_I810_E_BRIDGE 0x7124
-#define PCI_CHIP_I815_BRIDGE 0x1130
-#endif
-
-#define PCI_CHIP_845_G 0x2562
-#define PCI_CHIP_I830_M 0x3577
-
-#ifndef PCI_CHIP_I855_GM
-#define PCI_CHIP_I855_GM 0x3582
-#define PCI_CHIP_I855_GM_BRIDGE 0x3580
-#endif
-
-#ifndef PCI_CHIP_I865_G
-#define PCI_CHIP_I865_G 0x2572
-#define PCI_CHIP_I865_G_BRIDGE 0x2570
-#endif
-
-#ifndef PCI_CHIP_I915_G
-#define PCI_CHIP_I915_G 0x2582
-#define PCI_CHIP_I915_G_BRIDGE 0x2580
-#endif
-
-#ifndef PCI_CHIP_I915_GM
-#define PCI_CHIP_I915_GM 0x2592
-#define PCI_CHIP_I915_GM_BRIDGE 0x2590
-#endif
-
-#ifndef PCI_CHIP_E7221_G
-#define PCI_CHIP_E7221_G 0x258A
-/* Same as I915_G_BRIDGE */
-#define PCI_CHIP_E7221_G_BRIDGE 0x2580
-#endif
-
-#ifndef PCI_CHIP_I945_G
-#define PCI_CHIP_I945_G 0x2772
-#define PCI_CHIP_I945_G_BRIDGE 0x2770
-#endif
-
-#ifndef PCI_CHIP_I945_GM
-#define PCI_CHIP_I945_GM 0x27A2
-#define PCI_CHIP_I945_GM_BRIDGE 0x27A0
-#endif
-
-#define IS_I810(pI810) (pI810->Chipset == PCI_CHIP_I810 || \
- pI810->Chipset == PCI_CHIP_I810_DC100 || \
- pI810->Chipset == PCI_CHIP_I810_E)
-#define IS_I815(pI810) (pI810->Chipset == PCI_CHIP_I815)
-#define IS_I830(pI810) (pI810->Chipset == PCI_CHIP_I830_M)
-#define IS_845G(pI810) (pI810->Chipset == PCI_CHIP_845_G)
-#define IS_I85X(pI810) (pI810->Chipset == PCI_CHIP_I855_GM)
-#define IS_I852(pI810) (pI810->Chipset == PCI_CHIP_I855_GM && (pI810->variant == I852_GM || pI810->variant == I852_GME))
-#define IS_I855(pI810) (pI810->Chipset == PCI_CHIP_I855_GM && (pI810->variant == I855_GM || pI810->variant == I855_GME))
-#define IS_I865G(pI810) (pI810->Chipset == PCI_CHIP_I865_G)
-
-#define IS_I915G(pI810) (pI810->Chipset == PCI_CHIP_I915_G || pI810->Chipset == PCI_CHIP_E7221_G)
-#define IS_I915GM(pI810) (pI810->Chipset == PCI_CHIP_I915_GM)
-#define IS_I945G(pI810) (pI810->Chipset == PCI_CHIP_I945_G)
-#define IS_I945GM(pI810) (pI810->Chipset == PCI_CHIP_I945_GM)
-#define IS_I9XX(pI810) (IS_I915G(pI810) || IS_I915GM(pI810) || IS_I945G(pI810) || IS_I945GM(pI810))
-
-#define IS_MOBILE(pI810) (IS_I830(pI810) || IS_I85X(pI810) || IS_I915GM(pI810) || IS_I945GM(pI810))
-
-#define I830_GMCH_CTRL 0x52
-
-
-#define I830_GMCH_GMS_MASK 0x70
-#define I830_GMCH_GMS_DISABLED 0x00
-#define I830_GMCH_GMS_LOCAL 0x10
-#define I830_GMCH_GMS_STOLEN_512 0x20
-#define I830_GMCH_GMS_STOLEN_1024 0x30
-#define I830_GMCH_GMS_STOLEN_8192 0x40
-
-#define I855_GMCH_GMS_MASK (0x7 << 4)
-#define I855_GMCH_GMS_DISABLED 0x00
-#define I855_GMCH_GMS_STOLEN_1M (0x1 << 4)
-#define I855_GMCH_GMS_STOLEN_4M (0x2 << 4)
-#define I855_GMCH_GMS_STOLEN_8M (0x3 << 4)
-#define I855_GMCH_GMS_STOLEN_16M (0x4 << 4)
-#define I855_GMCH_GMS_STOLEN_32M (0x5 << 4)
-#define I915G_GMCH_GMS_STOLEN_48M (0x6 << 4)
-#define I915G_GMCH_GMS_STOLEN_64M (0x7 << 4)
-
-typedef unsigned char Bool;
-#define TRUE 1
-#define FALSE 0
-
-#define PIPE_NONE 0<<0
-#define PIPE_CRT 1<<0
-#define PIPE_TV 1<<1
-#define PIPE_DFP 1<<2
-#define PIPE_LFP 1<<3
-#define PIPE_CRT2 1<<4
-#define PIPE_TV2 1<<5
-#define PIPE_DFP2 1<<6
-#define PIPE_LFP2 1<<7
-
-typedef struct _I830MemPool *I830MemPoolPtr;
-typedef struct _I830MemRange *I830MemRangePtr;
-typedef struct _I830MemRange {
- long Start;
- long End;
- long Size;
- unsigned long Physical;
- unsigned long Offset; /* Offset of AGP-allocated portion */
- unsigned long Alignment;
- drm_handle_t Key;
- unsigned long Pitch; // add pitch
- I830MemPoolPtr Pool;
-} I830MemRange;
-
-typedef struct _I830MemPool {
- I830MemRange Total;
- I830MemRange Free;
- I830MemRange Fixed;
- I830MemRange Allocated;
-} I830MemPool;
-
-typedef struct {
- int tail_mask;
- I830MemRange mem;
- unsigned char *virtual_start;
- int head;
- int tail;
- int space;
-} I830RingBuffer;
-
-typedef struct _I830Rec {
- unsigned char *MMIOBase;
- unsigned char *FbBase;
- int cpp;
-
- unsigned int bios_version;
-
- /* These are set in PreInit and never changed. */
- long FbMapSize;
- long TotalVideoRam;
- I830MemRange StolenMemory; /* pre-allocated memory */
- long BIOSMemorySize; /* min stolen pool size */
- int BIOSMemSizeLoc;
-
- /* These change according to what has been allocated. */
- long FreeMemory;
- I830MemRange MemoryAperture;
- I830MemPool StolenPool;
- long allocatedMemory;
-
- /* Regions allocated either from the above pools, or from agpgart. */
- /* for single and dual head configurations */
- I830MemRange FrontBuffer;
- I830MemRange FrontBuffer2;
- I830MemRange Scratch;
- I830MemRange Scratch2;
-
- I830RingBuffer *LpRing;
-
- I830MemRange BackBuffer;
- I830MemRange DepthBuffer;
- I830MemRange TexMem;
- int TexGranularity;
- I830MemRange ContextMem;
- int drmMinor;
- Bool have3DWindows;
-
- Bool NeedRingBufferLow;
- Bool allowPageFlip;
- Bool disableTiling;
-
- int Chipset;
- unsigned long LinearAddr;
- unsigned long MMIOAddr;
-
- drmSize registerSize; /**< \brief MMIO register map size */
- drm_handle_t registerHandle; /**< \brief MMIO register map handle */
- // IOADDRESS ioBase;
- int irq; /**< \brief IRQ number */
- int GttBound;
-
- drm_handle_t ring_map;
- unsigned int Fence[8];
-
-} I830Rec;
-
-/*
- * 12288 is set as the maximum, chosen because it is enough for
- * 1920x1440@32bpp with a 2048 pixel line pitch with some to spare.
- */
-#define I830_MAXIMUM_VBIOS_MEM 12288
-#define I830_DEFAULT_VIDEOMEM_2D (MB(32) / 1024)
-#define I830_DEFAULT_VIDEOMEM_3D (MB(64) / 1024)
-
-/* Flags for memory allocation function */
-#define FROM_ANYWHERE 0x00000000
-#define FROM_POOL_ONLY 0x00000001
-#define FROM_NEW_ONLY 0x00000002
-#define FROM_MASK 0x0000000f
-
-#define ALLOCATE_AT_TOP 0x00000010
-#define ALLOCATE_AT_BOTTOM 0x00000020
-#define FORCE_GAPS 0x00000040
-
-#define NEED_PHYSICAL_ADDR 0x00000100
-#define ALIGN_BOTH_ENDS 0x00000200
-#define FORCE_LOW 0x00000400
-
-#define ALLOC_NO_TILING 0x00001000
-#define ALLOC_INITIAL 0x00002000
-
-#define ALLOCATE_DRY_RUN 0x80000000
-
-/* Chipset registers for VIDEO BIOS memory RW access */
-#define _855_DRAM_RW_CONTROL 0x58
-#define _845_DRAM_RW_CONTROL 0x90
-#define DRAM_WRITE 0x33330000
-
-#define KB(x) ((x) * 1024)
-#define MB(x) ((x) * KB(1024))
-
-#define GTT_PAGE_SIZE KB(4)
-#define ROUND_TO(x, y) (((x) + (y) - 1) / (y) * (y))
-#define ROUND_DOWN_TO(x, y) ((x) / (y) * (y))
-#define ROUND_TO_PAGE(x) ROUND_TO((x), GTT_PAGE_SIZE)
-#define ROUND_TO_MB(x) ROUND_TO((x), MB(1))
-#define PRIMARY_RINGBUFFER_SIZE KB(128)
-
-
-/* Ring buffer registers, p277, overview p19
- */
-#define LP_RING 0x2030
-#define HP_RING 0x2040
-
-#define RING_TAIL 0x00
-#define TAIL_ADDR 0x000FFFF8
-#define I830_TAIL_MASK 0x001FFFF8
-
-#define RING_HEAD 0x04
-#define HEAD_WRAP_COUNT 0xFFE00000
-#define HEAD_WRAP_ONE 0x00200000
-#define HEAD_ADDR 0x001FFFFC
-#define I830_HEAD_MASK 0x001FFFFC
-
-#define RING_START 0x08
-#define START_ADDR 0x03FFFFF8
-#define I830_RING_START_MASK 0xFFFFF000
-
-#define RING_LEN 0x0C
-#define RING_NR_PAGES 0x001FF000
-#define I830_RING_NR_PAGES 0x001FF000
-#define RING_REPORT_MASK 0x00000006
-#define RING_REPORT_64K 0x00000002
-#define RING_REPORT_128K 0x00000004
-#define RING_NO_REPORT 0x00000000
-#define RING_VALID_MASK 0x00000001
-#define RING_VALID 0x00000001
-#define RING_INVALID 0x00000000
-
-
-/* Fence/Tiling ranges [0..7]
- */
-#define FENCE 0x2000
-#define FENCE_NR 8
-
-#define I915G_FENCE_START_MASK 0x0ff00000
-
-#define I830_FENCE_START_MASK 0x07f80000
-
-#define FENCE_START_MASK 0x03F80000
-#define FENCE_X_MAJOR 0x00000000
-#define FENCE_Y_MAJOR 0x00001000
-#define FENCE_SIZE_MASK 0x00000700
-#define FENCE_SIZE_512K 0x00000000
-#define FENCE_SIZE_1M 0x00000100
-#define FENCE_SIZE_2M 0x00000200
-#define FENCE_SIZE_4M 0x00000300
-#define FENCE_SIZE_8M 0x00000400
-#define FENCE_SIZE_16M 0x00000500
-#define FENCE_SIZE_32M 0x00000600
-#define FENCE_SIZE_64M 0x00000700
-#define I915G_FENCE_SIZE_1M 0x00000000
-#define I915G_FENCE_SIZE_2M 0x00000100
-#define I915G_FENCE_SIZE_4M 0x00000200
-#define I915G_FENCE_SIZE_8M 0x00000300
-#define I915G_FENCE_SIZE_16M 0x00000400
-#define I915G_FENCE_SIZE_32M 0x00000500
-#define I915G_FENCE_SIZE_64M 0x00000600
-#define I915G_FENCE_SIZE_128M 0x00000700
-#define FENCE_PITCH_1 0x00000000
-#define FENCE_PITCH_2 0x00000010
-#define FENCE_PITCH_4 0x00000020
-#define FENCE_PITCH_8 0x00000030
-#define FENCE_PITCH_16 0x00000040
-#define FENCE_PITCH_32 0x00000050
-#define FENCE_PITCH_64 0x00000060
-#define FENCE_VALID 0x00000001
-
-#include <mmio.h>
-
-# define MMIO_IN8(base, offset) \
- *(volatile unsigned char *)(((unsigned char*)(base)) + (offset))
-# define MMIO_IN32(base, offset) \
- read_MMIO_LE32(base, offset)
-# define MMIO_OUT8(base, offset, val) \
- *(volatile unsigned char *)(((unsigned char*)(base)) + (offset)) = (val)
-# define MMIO_OUT32(base, offset, val) \
- *(volatile unsigned int *)(void *)(((unsigned char*)(base)) + (offset)) = CPU_TO_LE32(val)
-
-
- /* Memory mapped register access macros */
-#define INREG8(addr) MMIO_IN8(MMIO, addr)
-#define INREG(addr) MMIO_IN32(MMIO, addr)
-#define OUTREG8(addr, val) MMIO_OUT8(MMIO, addr, val)
-#define OUTREG(addr, val) MMIO_OUT32(MMIO, addr, val)
-
-#define DSPABASE 0x70184
-
-#endif
+++ /dev/null
-/**
- * \file server/intel_dri.c
- * \brief File to perform the device-specific initialization tasks typically
- * done in the X server.
- *
- * Here they are converted to run in the client (or perhaps a standalone
- * process), and to work with the frame buffer device rather than the X
- * server infrastructure.
- *
- * Copyright (C) 2006 Dave Airlie (airlied@linux.ie)
-
- Permission is hereby granted, free of charge, to any person obtaining a
- copy of this software and associated documentation files (the
- "Software"), to deal in the Software without restriction, including
- without limitation the rights to use, copy, modify, merge, publish,
- distribute, sub license, and/or sell copies of the Software, and to
- permit persons to whom the Software is furnished to do so, subject to
- the following conditions:
-
- The above copyright notice and this permission notice (including the
- next paragraph) shall be included in all copies or substantial portions
- of the Software.
-
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND/OR THEIR SUPPLIERS BE LIABLE FOR
- ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-
-#include "driver.h"
-#include "drm.h"
-
-#include "intel.h"
-#include "i830_dri.h"
-
-#include "memops.h"
-#include "pciaccess.h"
-
-static size_t drm_page_size;
-static int nextTile = 0;
-#define xf86DrvMsg(...) do {} while(0)
-
-static const int pitches[] = {
- 128 * 8,
- 128 * 16,
- 128 * 32,
- 128 * 64,
- 0
-};
-
-static Bool I830DRIDoMappings(DRIDriverContext *ctx, I830Rec *pI830, drmI830Sarea *sarea);
-
-static unsigned long
-GetBestTileAlignment(unsigned long size)
-{
- unsigned long i;
-
- for (i = KB(512); i < size; i <<= 1)
- ;
-
- if (i > MB(64))
- i = MB(64);
-
- return i;
-}
-
-static void SetFenceRegs(const DRIDriverContext *ctx, I830Rec *pI830)
-{
- int i;
- unsigned char *MMIO = ctx->MMIOAddress;
-
- for (i = 0; i < 8; i++) {
- OUTREG(FENCE + i * 4, pI830->Fence[i]);
- // if (I810_DEBUG & DEBUG_VERBOSE_VGA)
- fprintf(stderr,"Fence Register : %x\n", pI830->Fence[i]);
- }
-}
-
-/* Tiled memory is good... really, really good...
- *
- * Need to make it less likely that we miss out on this - probably
- * need to move the frontbuffer away from the 'guarenteed' alignment
- * of the first memory segment, or perhaps allocate a discontigous
- * framebuffer to get more alignment 'sweet spots'.
- */
-static void
-SetFence(const DRIDriverContext *ctx, I830Rec *pI830,
- int nr, unsigned int start, unsigned int pitch,
- unsigned int size)
-{
- unsigned int val;
- unsigned int fence_mask = 0;
- unsigned int fence_pitch;
-
- if (nr < 0 || nr > 7) {
- fprintf(stderr,
- "SetFence: fence %d out of range\n",nr);
- return;
- }
-
- pI830->Fence[nr] = 0;
-
- if (IS_I9XX(pI830))
- fence_mask = ~I915G_FENCE_START_MASK;
- else
- fence_mask = ~I830_FENCE_START_MASK;
-
- if (start & fence_mask) {
- fprintf(stderr,
- "SetFence: %d: start (0x%08x) is not %s aligned\n",
- nr, start, (IS_I9XX(pI830)) ? "1MB" : "512k");
- return;
- }
-
- if (start % size) {
- fprintf(stderr,
- "SetFence: %d: start (0x%08x) is not size (%dk) aligned\n",
- nr, start, size / 1024);
- return;
- }
-
- if (pitch & 127) {
- fprintf(stderr,
- "SetFence: %d: pitch (%d) not a multiple of 128 bytes\n",
- nr, pitch);
- return;
- }
-
- val = (start | FENCE_X_MAJOR | FENCE_VALID);
-
- if (IS_I9XX(pI830)) {
- switch (size) {
- case MB(1):
- val |= I915G_FENCE_SIZE_1M;
- break;
- case MB(2):
- val |= I915G_FENCE_SIZE_2M;
- break;
- case MB(4):
- val |= I915G_FENCE_SIZE_4M;
- break;
- case MB(8):
- val |= I915G_FENCE_SIZE_8M;
- break;
- case MB(16):
- val |= I915G_FENCE_SIZE_16M;
- break;
- case MB(32):
- val |= I915G_FENCE_SIZE_32M;
- break;
- case MB(64):
- val |= I915G_FENCE_SIZE_64M;
- break;
- default:
- fprintf(stderr,
- "SetFence: %d: illegal size (%d kByte)\n", nr, size / 1024);
- return;
- }
- } else {
- switch (size) {
- case KB(512):
- val |= FENCE_SIZE_512K;
- break;
- case MB(1):
- val |= FENCE_SIZE_1M;
- break;
- case MB(2):
- val |= FENCE_SIZE_2M;
- break;
- case MB(4):
- val |= FENCE_SIZE_4M;
- break;
- case MB(8):
- val |= FENCE_SIZE_8M;
- break;
- case MB(16):
- val |= FENCE_SIZE_16M;
- break;
- case MB(32):
- val |= FENCE_SIZE_32M;
- break;
- case MB(64):
- val |= FENCE_SIZE_64M;
- break;
- default:
- fprintf(stderr,
- "SetFence: %d: illegal size (%d kByte)\n", nr, size / 1024);
- return;
- }
- }
-
- if (IS_I9XX(pI830))
- fence_pitch = pitch / 512;
- else
- fence_pitch = pitch / 128;
-
- switch (fence_pitch) {
- case 1:
- val |= FENCE_PITCH_1;
- break;
- case 2:
- val |= FENCE_PITCH_2;
- break;
- case 4:
- val |= FENCE_PITCH_4;
- break;
- case 8:
- val |= FENCE_PITCH_8;
- break;
- case 16:
- val |= FENCE_PITCH_16;
- break;
- case 32:
- val |= FENCE_PITCH_32;
- break;
- case 64:
- val |= FENCE_PITCH_64;
- break;
- default:
- fprintf(stderr,
- "SetFence: %d: illegal pitch (%d)\n", nr, pitch);
- return;
- }
-
- pI830->Fence[nr] = val;
-}
-
-static Bool
-MakeTiles(const DRIDriverContext *ctx, I830Rec *pI830, I830MemRange *pMem)
-{
- int pitch, ntiles, i;
-
- pitch = pMem->Pitch * ctx->cpp;
- /*
- * Simply try to break the region up into at most four pieces of size
- * equal to the alignment.
- */
- ntiles = ROUND_TO(pMem->Size, pMem->Alignment) / pMem->Alignment;
- if (ntiles >= 4) {
- return FALSE;
- }
-
- for (i = 0; i < ntiles; i++, nextTile++) {
- SetFence(ctx, pI830, nextTile, pMem->Start + i * pMem->Alignment,
- pitch, pMem->Alignment);
- }
- return TRUE;
-}
-
-static void I830SetupMemoryTiling(const DRIDriverContext *ctx, I830Rec *pI830)
-{
- int i;
-
- /* Clear out */
- for (i = 0; i < 8; i++)
- pI830->Fence[i] = 0;
-
- nextTile = 0;
-
- if (pI830->BackBuffer.Alignment >= KB(512)) {
- if (MakeTiles(ctx, pI830, &(pI830->BackBuffer))) {
- fprintf(stderr,
- "Activating tiled memory for the back buffer.\n");
- } else {
- fprintf(stderr,
- "MakeTiles failed for the back buffer.\n");
- pI830->allowPageFlip = FALSE;
- }
- }
-
- if (pI830->DepthBuffer.Alignment >= KB(512)) {
- if (MakeTiles(ctx, pI830, &(pI830->DepthBuffer))) {
- fprintf(stderr,
- "Activating tiled memory for the depth buffer.\n");
- } else {
- fprintf(stderr,
- "MakeTiles failed for the depth buffer.\n");
- }
- }
-
- return;
-}
-
-static int I830DetectMemory(const DRIDriverContext *ctx, I830Rec *pI830)
-{
- struct pci_device host_bridge;
- uint32_t gmch_ctrl;
- int memsize = 0;
- int range;
-
- memset(&host_bridge, 0, sizeof(host_bridge));
-
- pci_device_cfg_read_u32(&host_bridge, &gmch_ctrl, I830_GMCH_CTRL);
-
- /* We need to reduce the stolen size, by the GTT and the popup.
- * The GTT varying according the the FbMapSize and the popup is 4KB */
- range = (ctx->shared.fbSize / (1024*1024)) + 4;
-
- if (IS_I85X(pI830) || IS_I865G(pI830) || IS_I9XX(pI830)) {
- switch (gmch_ctrl & I830_GMCH_GMS_MASK) {
- case I855_GMCH_GMS_STOLEN_1M:
- memsize = MB(1) - KB(range);
- break;
- case I855_GMCH_GMS_STOLEN_4M:
- memsize = MB(4) - KB(range);
- break;
- case I855_GMCH_GMS_STOLEN_8M:
- memsize = MB(8) - KB(range);
- break;
- case I855_GMCH_GMS_STOLEN_16M:
- memsize = MB(16) - KB(range);
- break;
- case I855_GMCH_GMS_STOLEN_32M:
- memsize = MB(32) - KB(range);
- break;
- case I915G_GMCH_GMS_STOLEN_48M:
- if (IS_I9XX(pI830))
- memsize = MB(48) - KB(range);
- break;
- case I915G_GMCH_GMS_STOLEN_64M:
- if (IS_I9XX(pI830))
- memsize = MB(64) - KB(range);
- break;
- }
- } else {
- switch (gmch_ctrl & I830_GMCH_GMS_MASK) {
- case I830_GMCH_GMS_STOLEN_512:
- memsize = KB(512) - KB(range);
- break;
- case I830_GMCH_GMS_STOLEN_1024:
- memsize = MB(1) - KB(range);
- break;
- case I830_GMCH_GMS_STOLEN_8192:
- memsize = MB(8) - KB(range);
- break;
- case I830_GMCH_GMS_LOCAL:
- memsize = 0;
- xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
- "Local memory found, but won't be used.\n");
- break;
- }
- }
- if (memsize > 0) {
- fprintf(stderr,
- "detected %d kB stolen memory.\n", memsize / 1024);
- } else {
- fprintf(stderr,
- "no video memory detected.\n");
- }
- return memsize;
-}
-
-static int AgpInit(const DRIDriverContext *ctx, I830Rec *info)
-{
- unsigned long mode = 0x4;
-
- if (drmAgpAcquire(ctx->drmFD) < 0) {
- fprintf(stderr, "[gart] AGP not available\n");
- return 0;
- }
-
- if (drmAgpEnable(ctx->drmFD, mode) < 0) {
- fprintf(stderr, "[gart] AGP not enabled\n");
- drmAgpRelease(ctx->drmFD);
- return 0;
- }
- else
- fprintf(stderr, "[gart] AGP enabled at %dx\n", ctx->agpmode);
-
- return 1;
-}
-
-/*
- * Allocate memory from the given pool. Grow the pool if needed and if
- * possible.
- */
-static unsigned long
-AllocFromPool(const DRIDriverContext *ctx, I830Rec *pI830,
- I830MemRange *result, I830MemPool *pool,
- long size, unsigned long alignment, int flags)
-{
- long needed, start, end;
-
- if (!result || !pool || !size)
- return 0;
-
- /* Calculate how much space is needed. */
- if (alignment <= GTT_PAGE_SIZE)
- needed = size;
- else {
- start = ROUND_TO(pool->Free.Start, alignment);
- end = ROUND_TO(start + size, alignment);
- needed = end - pool->Free.Start;
- }
- if (needed > pool->Free.Size) {
- return 0;
- }
-
- result->Start = ROUND_TO(pool->Free.Start, alignment);
- pool->Free.Start += needed;
- result->End = pool->Free.Start;
-
- pool->Free.Size = pool->Free.End - pool->Free.Start;
- result->Size = result->End - result->Start;
- result->Pool = pool;
- result->Alignment = alignment;
- return needed;
-}
-
-static unsigned long AllocFromAGP(const DRIDriverContext *ctx, I830Rec *pI830, long size, unsigned long alignment, I830MemRange *result)
-{
- unsigned long start, end;
- unsigned long newApStart, newApEnd;
- int ret;
- if (!result || !size)
- return 0;
-
- if (!alignment)
- alignment = 4;
-
- start = ROUND_TO(pI830->MemoryAperture.Start, alignment);
- end = ROUND_TO(start + size, alignment);
- newApStart = end;
- newApEnd = pI830->MemoryAperture.End;
-
- ret=drmAgpAlloc(ctx->drmFD, size, 0, &(result->Physical), (drm_handle_t *)&(result->Key));
-
- if (ret)
- {
- fprintf(stderr,"drmAgpAlloc failed %d\n", ret);
- return 0;
- }
- pI830->allocatedMemory += size;
- pI830->MemoryAperture.Start = newApStart;
- pI830->MemoryAperture.End = newApEnd;
- pI830->MemoryAperture.Size = newApEnd - newApStart;
- // pI830->FreeMemory -= size;
- result->Start = start;
- result->End = start + size;
- result->Size = size;
- result->Offset = start;
- result->Alignment = alignment;
- result->Pool = NULL;
-
- return size;
-}
-
-unsigned long
-I830AllocVidMem(const DRIDriverContext *ctx, I830Rec *pI830, I830MemRange *result, I830MemPool *pool, long size, unsigned long alignment, int flags)
-{
- int ret;
-
- if (!result)
- return 0;
-
- /* Make sure these are initialised. */
- result->Size = 0;
- result->Key = -1;
-
- if (!size) {
- return 0;
- }
-
- if (pool->Free.Size < size)
- return AllocFromAGP(ctx, pI830, size, alignment, result);
- else
- {
- ret = AllocFromPool(ctx, pI830, result, pool, size, alignment, flags);
-
- if (ret==0)
- return AllocFromAGP(ctx, pI830, size, alignment, result);
- return ret;
- }
-}
-
-static Bool BindAgpRange(const DRIDriverContext *ctx, I830MemRange *mem)
-{
- if (!mem)
- return FALSE;
-
- if (mem->Key == -1)
- return TRUE;
-
- return !drmAgpBind(ctx->drmFD, mem->Key, mem->Offset);
-}
-
-/* simple memory allocation routines needed */
-/* put ring buffer in low memory */
-/* need to allocate front, back, depth buffers aligned correctly,
- allocate ring buffer,
-*/
-
-/* */
-static Bool
-I830AllocateMemory(const DRIDriverContext *ctx, I830Rec *pI830)
-{
- unsigned long size, ret;
- unsigned long lines, lineSize, align;
-
- /* allocate ring buffer */
- memset(pI830->LpRing, 0, sizeof(I830RingBuffer));
- pI830->LpRing->mem.Key = -1;
-
- size = PRIMARY_RINGBUFFER_SIZE;
-
- ret = I830AllocVidMem(ctx, pI830, &pI830->LpRing->mem, &pI830->StolenPool, size, 0x1000, 0);
-
- if (ret != size)
- {
- fprintf(stderr,"unable to allocate ring buffer %ld\n", ret);
- return FALSE;
- }
-
- pI830->LpRing->tail_mask = pI830->LpRing->mem.Size - 1;
-
-
- /* allocate front buffer */
- memset(&(pI830->FrontBuffer), 0, sizeof(pI830->FrontBuffer));
- pI830->FrontBuffer.Key = -1;
- pI830->FrontBuffer.Pitch = ctx->shared.virtualWidth;
-
- align = KB(512);
-
- lineSize = ctx->shared.virtualWidth * ctx->cpp;
- lines = (ctx->shared.virtualHeight + 15) / 16 * 16;
- size = lineSize * lines;
- size = ROUND_TO_PAGE(size);
-
- align = GetBestTileAlignment(size);
-
- ret = I830AllocVidMem(ctx, pI830, &pI830->FrontBuffer, &pI830->StolenPool, size, align, 0);
- if (ret < size)
- {
- fprintf(stderr,"unable to allocate front buffer %ld\n", ret);
- return FALSE;
- }
-
- memset(&(pI830->BackBuffer), 0, sizeof(pI830->BackBuffer));
- pI830->BackBuffer.Key = -1;
- pI830->BackBuffer.Pitch = ctx->shared.virtualWidth;
-
- ret = I830AllocVidMem(ctx, pI830, &pI830->BackBuffer, &pI830->StolenPool, size, align, 0);
- if (ret < size)
- {
- fprintf(stderr,"unable to allocate back buffer %ld\n", ret);
- return FALSE;
- }
-
- memset(&(pI830->DepthBuffer), 0, sizeof(pI830->DepthBuffer));
- pI830->DepthBuffer.Key = -1;
- pI830->DepthBuffer.Pitch = ctx->shared.virtualWidth;
-
- ret = I830AllocVidMem(ctx, pI830, &pI830->DepthBuffer, &pI830->StolenPool, size, align, 0);
- if (ret < size)
- {
- fprintf(stderr,"unable to allocate depth buffer %ld\n", ret);
- return FALSE;
- }
-
- memset(&(pI830->ContextMem), 0, sizeof(pI830->ContextMem));
- pI830->ContextMem.Key = -1;
- size = KB(32);
-
- ret = I830AllocVidMem(ctx, pI830, &pI830->ContextMem, &pI830->StolenPool, size, align, 0);
- if (ret < size)
- {
- fprintf(stderr,"unable to allocate context buffer %ld\n", ret);
- return FALSE;
- }
-
- memset(&(pI830->TexMem), 0, sizeof(pI830->TexMem));
- pI830->TexMem.Key = -1;
-
- size = 32768 * 1024;
- ret = AllocFromAGP(ctx, pI830, size, align, &pI830->TexMem);
- if (ret < size)
- {
- fprintf(stderr,"unable to allocate texture memory %ld\n", ret);
- return FALSE;
- }
-
- return TRUE;
-}
-
-static Bool
-I830BindMemory(const DRIDriverContext *ctx, I830Rec *pI830)
-{
- if (!BindAgpRange(ctx, &pI830->LpRing->mem))
- return FALSE;
- if (!BindAgpRange(ctx, &pI830->FrontBuffer))
- return FALSE;
- if (!BindAgpRange(ctx, &pI830->BackBuffer))
- return FALSE;
- if (!BindAgpRange(ctx, &pI830->DepthBuffer))
- return FALSE;
- if (!BindAgpRange(ctx, &pI830->ContextMem))
- return FALSE;
- if (!BindAgpRange(ctx, &pI830->TexMem))
- return FALSE;
-
- return TRUE;
-}
-
-static Bool
-I830CleanupDma(const DRIDriverContext *ctx)
-{
- drmI830Init info;
-
- memset(&info, 0, sizeof(drmI830Init));
- info.func = I830_CLEANUP_DMA;
-
- if (drmCommandWrite(ctx->drmFD, DRM_I830_INIT,
- &info, sizeof(drmI830Init))) {
- fprintf(stderr, "I830 Dma Cleanup Failed\n");
- return FALSE;
- }
-
- return TRUE;
-}
-
-static Bool
-I830InitDma(const DRIDriverContext *ctx, I830Rec *pI830)
-{
- I830RingBuffer *ring = pI830->LpRing;
- drmI830Init info;
-
- memset(&info, 0, sizeof(drmI830Init));
- info.func = I830_INIT_DMA;
-
- info.ring_start = ring->mem.Start + pI830->LinearAddr;
- info.ring_end = ring->mem.End + pI830->LinearAddr;
- info.ring_size = ring->mem.Size;
-
- info.mmio_offset = (unsigned int)ctx->MMIOStart;
-
- info.sarea_priv_offset = sizeof(drm_sarea_t);
-
- info.front_offset = pI830->FrontBuffer.Start;
- info.back_offset = pI830->BackBuffer.Start;
- info.depth_offset = pI830->DepthBuffer.Start;
- info.w = ctx->shared.virtualWidth;
- info.h = ctx->shared.virtualHeight;
- info.pitch = ctx->shared.virtualWidth;
- info.back_pitch = pI830->BackBuffer.Pitch;
- info.depth_pitch = pI830->DepthBuffer.Pitch;
- info.cpp = ctx->cpp;
-
- if (drmCommandWrite(ctx->drmFD, DRM_I830_INIT,
- &info, sizeof(drmI830Init))) {
- fprintf(stderr,
- "I830 Dma Initialization Failed\n");
- return FALSE;
- }
-
- return TRUE;
-}
-
-static int I830CheckDRMVersion( const DRIDriverContext *ctx,
- I830Rec *pI830 )
-{
- drmVersionPtr version;
-
- version = drmGetVersion(ctx->drmFD);
-
- if (version) {
- int req_minor, req_patch;
-
- req_minor = 4;
- req_patch = 0;
-
- if (version->version_major != 1 ||
- version->version_minor < req_minor ||
- (version->version_minor == req_minor &&
- version->version_patchlevel < req_patch)) {
- /* Incompatible drm version */
- fprintf(stderr,
- "[dri] I830DRIScreenInit failed because of a version "
- "mismatch.\n"
- "[dri] i915.o kernel module version is %d.%d.%d "
- "but version 1.%d.%d or newer is needed.\n"
- "[dri] Disabling DRI.\n",
- version->version_major,
- version->version_minor,
- version->version_patchlevel,
- req_minor,
- req_patch);
- drmFreeVersion(version);
- return 0;
- }
-
- pI830->drmMinor = version->version_minor;
- drmFreeVersion(version);
- }
- return 1;
-}
-
-static void
-I830SetRingRegs(const DRIDriverContext *ctx, I830Rec *pI830)
-{
- unsigned int itemp;
- unsigned char *MMIO = ctx->MMIOAddress;
-
- OUTREG(LP_RING + RING_LEN, 0);
- OUTREG(LP_RING + RING_TAIL, 0);
- OUTREG(LP_RING + RING_HEAD, 0);
-
- if ((long)(pI830->LpRing->mem.Start & I830_RING_START_MASK) !=
- pI830->LpRing->mem.Start) {
- fprintf(stderr,
- "I830SetRingRegs: Ring buffer start (%lx) violates its "
- "mask (%x)\n", pI830->LpRing->mem.Start, I830_RING_START_MASK);
- }
- /* Don't care about the old value. Reserved bits must be zero anyway. */
- itemp = pI830->LpRing->mem.Start & I830_RING_START_MASK;
- OUTREG(LP_RING + RING_START, itemp);
-
- if (((pI830->LpRing->mem.Size - 4096) & I830_RING_NR_PAGES) !=
- pI830->LpRing->mem.Size - 4096) {
- fprintf(stderr,
- "I830SetRingRegs: Ring buffer size - 4096 (%lx) violates its "
- "mask (%x)\n", pI830->LpRing->mem.Size - 4096,
- I830_RING_NR_PAGES);
- }
- /* Don't care about the old value. Reserved bits must be zero anyway. */
- itemp = (pI830->LpRing->mem.Size - 4096) & I830_RING_NR_PAGES;
- itemp |= (RING_NO_REPORT | RING_VALID);
- OUTREG(LP_RING + RING_LEN, itemp);
-
- pI830->LpRing->head = INREG(LP_RING + RING_HEAD) & I830_HEAD_MASK;
- pI830->LpRing->tail = INREG(LP_RING + RING_TAIL);
- pI830->LpRing->space = pI830->LpRing->head - (pI830->LpRing->tail + 8);
- if (pI830->LpRing->space < 0)
- pI830->LpRing->space += pI830->LpRing->mem.Size;
-
- SetFenceRegs(ctx, pI830);
-
- /* RESET THE DISPLAY PIPE TO POINT TO THE FRONTBUFFER - hacky
- hacky hacky */
- OUTREG(DSPABASE, pI830->FrontBuffer.Start + pI830->LinearAddr);
-
-}
-
-static Bool
-I830SetParam(const DRIDriverContext *ctx, int param, int value)
-{
- drmI830SetParam sp;
-
- memset(&sp, 0, sizeof(sp));
- sp.param = param;
- sp.value = value;
-
- if (drmCommandWrite(ctx->drmFD, DRM_I830_SETPARAM, &sp, sizeof(sp))) {
- fprintf(stderr, "I830 SetParam Failed\n");
- return FALSE;
- }
-
- return TRUE;
-}
-
-static Bool
-I830DRIMapScreenRegions(DRIDriverContext *ctx, I830Rec *pI830, drmI830Sarea *sarea)
-{
- fprintf(stderr,
- "[drm] Mapping front buffer\n");
-
- if (drmAddMap(ctx->drmFD,
- (drm_handle_t)(sarea->front_offset + pI830->LinearAddr),
- sarea->front_size,
- DRM_FRAME_BUFFER, /*DRM_AGP,*/
- 0,
- &sarea->front_handle) < 0) {
- fprintf(stderr,
- "[drm] drmAddMap(front_handle) failed. Disabling DRI\n");
- return FALSE;
- }
- ctx->shared.hFrameBuffer = sarea->front_handle;
- ctx->shared.fbSize = sarea->front_size;
- fprintf(stderr, "[drm] Front Buffer = 0x%08x\n",
- sarea->front_handle);
-
- if (drmAddMap(ctx->drmFD,
- (drm_handle_t)(sarea->back_offset),
- sarea->back_size, DRM_AGP, 0,
- &sarea->back_handle) < 0) {
- fprintf(stderr,
- "[drm] drmAddMap(back_handle) failed. Disabling DRI\n");
- return FALSE;
- }
- fprintf(stderr, "[drm] Back Buffer = 0x%08x\n",
- sarea->back_handle);
-
- if (drmAddMap(ctx->drmFD,
- (drm_handle_t)sarea->depth_offset,
- sarea->depth_size, DRM_AGP, 0,
- &sarea->depth_handle) < 0) {
- fprintf(stderr,
- "[drm] drmAddMap(depth_handle) failed. Disabling DRI\n");
- return FALSE;
- }
- fprintf(stderr, "[drm] Depth Buffer = 0x%08x\n",
- sarea->depth_handle);
-
- if (drmAddMap(ctx->drmFD,
- (drm_handle_t)sarea->tex_offset,
- sarea->tex_size, DRM_AGP, 0,
- &sarea->tex_handle) < 0) {
- fprintf(stderr,
- "[drm] drmAddMap(tex_handle) failed. Disabling DRI\n");
- return FALSE;
- }
- fprintf(stderr, "[drm] textures = 0x%08x\n",
- sarea->tex_handle);
-
- return TRUE;
-}
-
-
-static void
-I830DRIUnmapScreenRegions(const DRIDriverContext *ctx, I830Rec *pI830, drmI830Sarea *sarea)
-{
-#if 1
- if (sarea->front_handle) {
- drmRmMap(ctx->drmFD, sarea->front_handle);
- sarea->front_handle = 0;
- }
-#endif
- if (sarea->back_handle) {
- drmRmMap(ctx->drmFD, sarea->back_handle);
- sarea->back_handle = 0;
- }
- if (sarea->depth_handle) {
- drmRmMap(ctx->drmFD, sarea->depth_handle);
- sarea->depth_handle = 0;
- }
- if (sarea->tex_handle) {
- drmRmMap(ctx->drmFD, sarea->tex_handle);
- sarea->tex_handle = 0;
- }
-}
-
-static void
-I830InitTextureHeap(const DRIDriverContext *ctx, I830Rec *pI830, drmI830Sarea *sarea)
-{
- /* Start up the simple memory manager for agp space */
- drmI830MemInitHeap drmHeap;
- drmHeap.region = I830_MEM_REGION_AGP;
- drmHeap.start = 0;
- drmHeap.size = sarea->tex_size;
-
- if (drmCommandWrite(ctx->drmFD, DRM_I830_INIT_HEAP,
- &drmHeap, sizeof(drmHeap))) {
- fprintf(stderr,
- "[drm] Failed to initialized agp heap manager\n");
- } else {
- fprintf(stderr,
- "[drm] Initialized kernel agp heap manager, %d\n",
- sarea->tex_size);
-
- I830SetParam(ctx, I830_SETPARAM_TEX_LRU_LOG_GRANULARITY,
- sarea->log_tex_granularity);
- }
-}
-
-static Bool
-I830DRIDoMappings(DRIDriverContext *ctx, I830Rec *pI830, drmI830Sarea *sarea)
-{
- if (drmAddMap(ctx->drmFD,
- (drm_handle_t)pI830->LpRing->mem.Start,
- pI830->LpRing->mem.Size, DRM_AGP, 0,
- &pI830->ring_map) < 0) {
- fprintf(stderr,
- "[drm] drmAddMap(ring_map) failed. Disabling DRI\n");
- return FALSE;
- }
- fprintf(stderr, "[drm] ring buffer = 0x%08x\n",
- pI830->ring_map);
-
- if (I830InitDma(ctx, pI830) == FALSE) {
- return FALSE;
- }
-
- /* init to zero to be safe */
-
- I830DRIMapScreenRegions(ctx, pI830, sarea);
- I830InitTextureHeap(ctx, pI830, sarea);
-
- if (ctx->pciDevice != PCI_CHIP_845_G &&
- ctx->pciDevice != PCI_CHIP_I830_M) {
- I830SetParam(ctx, I830_SETPARAM_USE_MI_BATCHBUFFER_START, 1 );
- }
-
- /* Okay now initialize the dma engine */
- {
- pI830->irq = drmGetInterruptFromBusID(ctx->drmFD,
- ctx->pciBus,
- ctx->pciDevice,
- ctx->pciFunc);
-
- if (drmCtlInstHandler(ctx->drmFD, pI830->irq)) {
- fprintf(stderr,
- "[drm] failure adding irq handler\n");
- pI830->irq = 0;
- return FALSE;
- }
- else
- fprintf(stderr,
- "[drm] dma control initialized, using IRQ %d\n",
- pI830->irq);
- }
-
- fprintf(stderr, "[dri] visual configs initialized\n");
-
- return TRUE;
-}
-
-static Bool
-I830ClearScreen(DRIDriverContext *ctx, I830Rec *pI830, drmI830Sarea *sarea)
-{
- /* need to drmMap front and back buffers and zero them */
- drmAddress map_addr;
- int ret;
-
- ret = drmMap(ctx->drmFD,
- sarea->front_handle,
- sarea->front_size,
- &map_addr);
-
- if (ret)
- {
- fprintf(stderr, "Unable to map front buffer\n");
- return FALSE;
- }
-
- drimemsetio((char *)map_addr,
- 0,
- sarea->front_size);
- drmUnmap(map_addr, sarea->front_size);
-
-
- ret = drmMap(ctx->drmFD,
- sarea->back_handle,
- sarea->back_size,
- &map_addr);
-
- if (ret)
- {
- fprintf(stderr, "Unable to map back buffer\n");
- return FALSE;
- }
-
- drimemsetio((char *)map_addr,
- 0,
- sarea->back_size);
- drmUnmap(map_addr, sarea->back_size);
-
- return TRUE;
-}
-
-static Bool
-I830ScreenInit(DRIDriverContext *ctx, I830Rec *pI830)
-
-{
- I830DRIPtr pI830DRI;
- drmI830Sarea *pSAREAPriv;
- int err;
-
- drm_page_size = getpagesize();
-
- pI830->registerSize = ctx->MMIOSize;
- /* This is a hack for now. We have to have more than a 4k page here
- * because of the size of the state. However, the state should be
- * in a per-context mapping. This will be added in the Mesa 3.5 port
- * of the I830 driver.
- */
- ctx->shared.SAREASize = SAREA_MAX;
-
- /* Note that drmOpen will try to load the kernel module, if needed. */
- ctx->drmFD = drmOpen("i915", NULL );
- if (ctx->drmFD < 0) {
- fprintf(stderr, "[drm] drmOpen failed\n");
- return 0;
- }
-
- if ((err = drmSetBusid(ctx->drmFD, ctx->pciBusID)) < 0) {
- fprintf(stderr, "[drm] drmSetBusid failed (%d, %s), %s\n",
- ctx->drmFD, ctx->pciBusID, strerror(-err));
- return 0;
- }
-
- if (drmAddMap( ctx->drmFD,
- 0,
- ctx->shared.SAREASize,
- DRM_SHM,
- DRM_CONTAINS_LOCK,
- &ctx->shared.hSAREA) < 0)
- {
- fprintf(stderr, "[drm] drmAddMap failed\n");
- return 0;
- }
-
- fprintf(stderr, "[drm] added %d byte SAREA at 0x%08x\n",
- ctx->shared.SAREASize, ctx->shared.hSAREA);
-
- if (drmMap( ctx->drmFD,
- ctx->shared.hSAREA,
- ctx->shared.SAREASize,
- (drmAddressPtr)(&ctx->pSAREA)) < 0)
- {
- fprintf(stderr, "[drm] drmMap failed\n");
- return 0;
-
- }
-
- memset(ctx->pSAREA, 0, ctx->shared.SAREASize);
- fprintf(stderr, "[drm] mapped SAREA 0x%08x to %p, size %d\n",
- ctx->shared.hSAREA, ctx->pSAREA, ctx->shared.SAREASize);
-
-
- if (drmAddMap(ctx->drmFD,
- ctx->MMIOStart,
- ctx->MMIOSize,
- DRM_REGISTERS,
- DRM_READ_ONLY,
- &pI830->registerHandle) < 0) {
- fprintf(stderr, "[drm] drmAddMap mmio failed\n");
- return 0;
- }
- fprintf(stderr,
- "[drm] register handle = 0x%08x\n", pI830->registerHandle);
-
-
- if (!I830CheckDRMVersion(ctx, pI830)) {
- return FALSE;
- }
-
- /* Create a 'server' context so we can grab the lock for
- * initialization ioctls.
- */
- if ((err = drmCreateContext(ctx->drmFD, &ctx->serverContext)) != 0) {
- fprintf(stderr, "%s: drmCreateContext failed %d\n", __FUNCTION__, err);
- return 0;
- }
-
- DRM_LOCK(ctx->drmFD, ctx->pSAREA, ctx->serverContext, 0);
-
- /* Initialize the SAREA private data structure */
- pSAREAPriv = (drmI830Sarea *)(((char*)ctx->pSAREA) +
- sizeof(drm_sarea_t));
- memset(pSAREAPriv, 0, sizeof(*pSAREAPriv));
-
- pI830->StolenMemory.Size = I830DetectMemory(ctx, pI830);
- pI830->StolenMemory.Start = 0;
- pI830->StolenMemory.End = pI830->StolenMemory.Size;
-
- pI830->MemoryAperture.Start = pI830->StolenMemory.End;
- pI830->MemoryAperture.End = KB(40000);
- pI830->MemoryAperture.Size = pI830->MemoryAperture.End - pI830->MemoryAperture.Start;
-
- pI830->StolenPool.Fixed = pI830->StolenMemory;
- pI830->StolenPool.Total = pI830->StolenMemory;
- pI830->StolenPool.Free = pI830->StolenPool.Total;
- pI830->FreeMemory = pI830->StolenPool.Total.Size;
-
- if (!AgpInit(ctx, pI830))
- return FALSE;
-
- if (I830AllocateMemory(ctx, pI830) == FALSE)
- {
- return FALSE;
- }
-
- if (I830BindMemory(ctx, pI830) == FALSE)
- {
- return FALSE;
- }
-
- pSAREAPriv->front_offset = pI830->FrontBuffer.Start;
- pSAREAPriv->front_size = pI830->FrontBuffer.Size;
- pSAREAPriv->width = ctx->shared.virtualWidth;
- pSAREAPriv->height = ctx->shared.virtualHeight;
- pSAREAPriv->pitch = ctx->shared.virtualWidth;
- pSAREAPriv->virtualX = ctx->shared.virtualWidth;
- pSAREAPriv->virtualY = ctx->shared.virtualHeight;
- pSAREAPriv->back_offset = pI830->BackBuffer.Start;
- pSAREAPriv->back_size = pI830->BackBuffer.Size;
- pSAREAPriv->depth_offset = pI830->DepthBuffer.Start;
- pSAREAPriv->depth_size = pI830->DepthBuffer.Size;
- pSAREAPriv->tex_offset = pI830->TexMem.Start;
- pSAREAPriv->tex_size = pI830->TexMem.Size;
- pSAREAPriv->log_tex_granularity = pI830->TexGranularity;
-
- ctx->driverClientMsg = malloc(sizeof(I830DRIRec));
- ctx->driverClientMsgSize = sizeof(I830DRIRec);
- pI830DRI = (I830DRIPtr)ctx->driverClientMsg;
- pI830DRI->deviceID = pI830->Chipset;
- pI830DRI->regsSize = I830_REG_SIZE;
- pI830DRI->width = ctx->shared.virtualWidth;
- pI830DRI->height = ctx->shared.virtualHeight;
- pI830DRI->mem = ctx->shared.fbSize;
- pI830DRI->cpp = ctx->cpp;
- pI830DRI->backOffset = pI830->BackBuffer.Start;
- pI830DRI->backPitch = pI830->BackBuffer.Pitch;
-
- pI830DRI->depthOffset = pI830->DepthBuffer.Start;
- pI830DRI->depthPitch = pI830->DepthBuffer.Pitch;
-
- pI830DRI->fbOffset = pI830->FrontBuffer.Start;
- pI830DRI->fbStride = pI830->FrontBuffer.Pitch;
-
- pI830DRI->bitsPerPixel = ctx->bpp;
- pI830DRI->sarea_priv_offset = sizeof(drm_sarea_t);
-
- err = I830DRIDoMappings(ctx, pI830, pSAREAPriv);
- if (err == FALSE)
- return FALSE;
-
- I830SetupMemoryTiling(ctx, pI830);
-
- /* Quick hack to clear the front & back buffers. Could also use
- * the clear ioctl to do this, but would need to setup hw state
- * first.
- */
- I830ClearScreen(ctx, pI830, pSAREAPriv);
-
- I830SetRingRegs(ctx, pI830);
-
- return TRUE;
-}
-
-
-/**
- * \brief Validate the fbdev mode.
- *
- * \param ctx display handle.
- *
- * \return one on success, or zero on failure.
- *
- * Saves some registers and returns 1.
- *
- * \sa radeonValidateMode().
- */
-static int i830ValidateMode( const DRIDriverContext *ctx )
-{
- return 1;
-}
-
-/**
- * \brief Examine mode returned by fbdev.
- *
- * \param ctx display handle.
- *
- * \return one on success, or zero on failure.
- *
- * Restores registers that fbdev has clobbered and returns 1.
- *
- * \sa i810ValidateMode().
- */
-static int i830PostValidateMode( const DRIDriverContext *ctx )
-{
- I830Rec *pI830 = ctx->driverPrivate;
-
- I830SetRingRegs(ctx, pI830);
- return 1;
-}
-
-
-/**
- * \brief Initialize the framebuffer device mode
- *
- * \param ctx display handle.
- *
- * \return one on success, or zero on failure.
- *
- * Fills in \p info with some default values and some information from \p ctx
- * and then calls I810ScreenInit() for the screen initialization.
- *
- * Before exiting clears the framebuffer memory accessing it directly.
- */
-static int i830InitFBDev( DRIDriverContext *ctx )
-{
- I830Rec *pI830 = calloc(1, sizeof(I830Rec));
- int i;
-
- {
- int dummy = ctx->shared.virtualWidth;
-
- switch (ctx->bpp / 8) {
- case 1: dummy = (ctx->shared.virtualWidth + 127) & ~127; break;
- case 2: dummy = (ctx->shared.virtualWidth + 31) & ~31; break;
- case 3:
- case 4: dummy = (ctx->shared.virtualWidth + 15) & ~15; break;
- }
-
- ctx->shared.virtualWidth = dummy;
- ctx->shared.Width = ctx->shared.virtualWidth;
- }
-
-
- for (i = 0; pitches[i] != 0; i++) {
- if (pitches[i] >= ctx->shared.virtualWidth) {
- ctx->shared.virtualWidth = pitches[i];
- break;
- }
- }
-
- ctx->driverPrivate = (void *)pI830;
-
- pI830->LpRing = calloc(1, sizeof(I830RingBuffer));
- pI830->Chipset = ctx->chipset;
- pI830->LinearAddr = ctx->FBStart;
-
- if (!I830ScreenInit( ctx, pI830 ))
- return 0;
-
-
- return 1;
-}
-
-
-/**
- * \brief The screen is being closed, so clean up any state and free any
- * resources used by the DRI.
- *
- * \param ctx display handle.
- *
- * Unmaps the SAREA, closes the DRM device file descriptor and frees the driver
- * private data.
- */
-static void i830HaltFBDev( DRIDriverContext *ctx )
-{
- drmI830Sarea *pSAREAPriv;
- I830Rec *pI830 = ctx->driverPrivate;
-
- if (pI830->irq) {
- drmCtlUninstHandler(ctx->drmFD);
- pI830->irq = 0; }
-
- I830CleanupDma(ctx);
-
- pSAREAPriv = (drmI830Sarea *)(((char*)ctx->pSAREA) +
- sizeof(drm_sarea_t));
-
- I830DRIUnmapScreenRegions(ctx, pI830, pSAREAPriv);
- drmUnmap( ctx->pSAREA, ctx->shared.SAREASize );
- drmClose(ctx->drmFD);
-
- if (ctx->driverPrivate) {
- free(ctx->driverPrivate);
- ctx->driverPrivate = 0;
- }
-}
-
-
-extern void i810NotifyFocus( int );
-
-/**
- * \brief Exported driver interface for Mini GLX.
- *
- * \sa DRIDriverRec.
- */
-const struct DRIDriverRec __driDriver = {
- i830ValidateMode,
- i830PostValidateMode,
- i830InitFBDev,
- i830HaltFBDev,
- NULL,//I830EngineShutdown,
- NULL, //I830EngineRestore,
-#ifndef _EMBEDDED
- 0,
-#else
- i810NotifyFocus,
-#endif
-};
projects / mesa.git / commitdiff