src/mesa/drivers/dri/ffb/server/ffb_dac.h

   1 /*
   2  * Acceleration for the Creator and Creator3D framebuffer - DAC register layout.
   3  *
   4  * Copyright (C) 2000 David S. Miller (davem@redhat.com)
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * DAVID MILLER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  20  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  */
  24
  25 #ifndef _FFB_DAC_H
  26 #define _FFB_DAC_H
  27
  28 #define Bool int
  29
  30 /* FFB utilizes two different ramdac chips:
  31  *
  32  *      1) BT9068 "Pacifica1", used in all FFB1 and
  33  *         FFB2 boards.
  34  *
  35  *      2) BT498(a) "Pacifica2", used in FFB2+ and
  36  *         AFB boards.
  37  *
  38  * They are mostly equivalent, except in a few key areas:
  39  *
  40  *      1) WID register layout
  41  *      2) Number of CLUT tables
  42  *      3) Presence of Window Address Mask register
  43  *      4) Method of GAMMA correction support
  44  */
  45
  46 /* NOTE: All addresses described in this file are DAC
  47  *       indirect addresses.
  48  */
  49
  50 /* DAC color values are in the following format. */
  51 #define FFBDAC_COLOR_BLUE       0x00ff0000
  52 #define FFBDAC_COLOR_BLUE_SHFT  16
  53 #define FFBDAC_COLOR_GREEN      0x0000ff00
  54 #define FFBDAC_COLOR_GREEN_SHFT 8
  55 #define FFBDAC_COLOR_RED        0x000000ff
  56 #define FFBDAC_COLOR_RED_SHFT   0
  57
  58 /* Cursor DAC register addresses. */
  59 #define FFBDAC_CUR_BITMAP_P0    0x000 /* Plane 0 cursor bitmap  */
  60 #define FFBDAC_CUR_BITMAP_P1    0x080 /* Plane 1 cursor bitmap  */
  61 #define FFBDAC_CUR_CTRL         0x100 /* Cursor control         */
  62 #define FFBDAC_CUR_COLOR0       0x101 /* Cursor Color 0         */
  63 #define FFBDAC_CUR_COLOR1       0x102 /* Cursor Color 1 (bg)    */
  64 #define FFBDAC_CUR_COLOR2       0x103 /* Cursor Color 2 (fg)    */
  65 #define FFBDAC_CUR_POS          0x104 /* Active cursor position */
  66
  67 /* Cursor control register.
  68  * WARNING: Be careful, reverse logic on these bits.
  69  */
  70 #define FFBDAC_CUR_CTRL_P0      0x00000001      /* Plane0 display disable       */
  71 #define FFBDAC_CUR_CTRL_P1      0x00000002      /* Plane1 display disable       */
  72
  73 /* Active cursor position register */
  74 #define FFBDAC_CUR_POS_Y_SIGN   0x80000000      /* Sign of Y position           */
  75 #define FFBDAC_CUR_POS_Y        0x0fff0000      /* Y position                   */
  76 #define FFBDAC_CUR_POS_X_SIGN   0x00008000      /* Sign of X position           */
  77 #define FFBDAC_CUR_POS_X        0x00000fff      /* X position                   */
  78
  79 /* Configuration and Palette DAC register addresses. */
  80 #define FFBDAC_CFG_PPLLCTRL     0x0000 /* Pixel PLL Control             */
  81 #define FFBDAC_CFG_GPLLCTRL     0x0001 /* General Purpose PLL Control   */
  82 #define FFBDAC_CFG_PFCTRL       0x1000 /* Pixel Format Control          */
  83 #define FFBDAC_CFG_UCTRL        0x1001 /* User Control                  */
  84 #define FFBDAC_CFG_CLUP_BASE    0x2000 /* Color Lookup Palette          */
  85 #define FFBDAC_CFG_CLUP(entry) (FFBDAC_CFG_CLUP_BASE + ((entry) * 0x100))
  86 #define FFBDAC_PAC2_SOVWLUT0    0x3100 /* Shadow Overlay Window Lookup 0*/
  87 #define FFBDAC_PAC2_SOVWLUT1    0x3101 /* Shadow Overlay Window Lookup 1*/
  88 #define FFBDAC_PAC2_SOVWLUT2    0x3102 /* Shadow Overlay Window Lookup 2*/
  89 #define FFBDAC_PAC2_SOVWLUT3    0x3103 /* Shadow Overlay Window Lookup 3*/
  90 #define FFBDAC_PAC2_AOVWLUT0    0x3210 /* Active Overlay Window Lookup 0*/
  91 #define FFBDAC_PAC2_AOVWLUT1    0x3211 /* Active Overlay Window Lookup 1*/
  92 #define FFBDAC_PAC2_AOVWLUT2    0x3212 /* Active Overlay Window Lookup 2*/
  93 #define FFBDAC_PAC2_AOVWLUT3    0x3213 /* Active Overlay Window Lookup 3*/
  94 #define FFBDAC_CFG_WTCTRL       0x3150 /* Window Transfer Control       */
  95 #define FFBDAC_CFG_TMCTRL       0x3151 /* Transparent Mask Control      */
  96 #define FFBDAC_CFG_TCOLORKEY    0x3152 /* Transparent Color Key         */
  97 #define FFBDAC_CFG_WAMASK       0x3153 /* Window Address Mask (PAC2 only) */
  98 #define FFBDAC_PAC1_SPWLUT_BASE 0x3100 /* Shadow Primary Window Lookups */
  99 #define FFBDAC_PAC1_SPWLUT(entry) (FFBDAC_PAC1_SPWLUT_BASE + (entry))
 100 #define FFBDAC_PAC1_APWLUT_BASE 0x3120 /* Active Primary Window Lookups */
 101 #define FFBDAC_PAC1_APWLUT(entry) (FFBDAC_PAC1_APWLUT_BASE + (entry))
 102 #define FFBDAC_PAC2_SPWLUT_BASE 0x3200 /* Shadow Primary Window Lookups */
 103 #define FFBDAC_PAC2_SPWLUT(entry) (FFBDAC_PAC2_SPWLUT_BASE + (entry))
 104 #define FFBDAC_PAC2_APWLUT_BASE 0x3240 /* Active Primary Window Lookups */
 105 #define FFBDAC_PAC2_APWLUT(entry) (FFBDAC_PAC2_APWLUT_BASE + (entry))
 106 #define FFBDAC_CFG_SANAL        0x5000 /* Signature Analysis Control    */
 107 #define FFBDAC_CFG_DACCTRL      0x5001 /* DAC Control                   */
 108 #define FFBDAC_CFG_TGEN         0x6000 /* Timing Generator Control      */
 109 #define FFBDAC_CFG_VBNP         0x6001 /* Vertical Blank Negation Point */
 110 #define FFBDAC_CFG_VBAP         0x6002 /* Vertical Blank Assertion Point*/
 111 #define FFBDAC_CFG_VSNP         0x6003 /* Vertical Sync Negation Point  */
 112 #define FFBDAC_CFG_VSAP         0x6004 /* Vertical Sync Assertion Point */
 113 #define FFBDAC_CFG_HSNP         0x6005 /* Horz Serration Negation Point */
 114 #define FFBDAC_CFG_HBNP         0x6006 /* Horz Blank Negation Point     */
 115 #define FFBDAC_CFG_HBAP         0x6007 /* Horz Blank Assertion Point    */
 116 #define FFBDAC_CFG_HSYNCNP      0x6008 /* Horz Sync Negation Point      */
 117 #define FFBDAC_CFG_HSYNCAP      0x6009 /* Horz Sync Assertion Point     */
 118 #define FFBDAC_CFG_HSCENNP      0x600A /* Horz SCEN Negation Point      */
 119 #define FFBDAC_CFG_HSCENAP      0x600B /* Horz SCEN Assertion Point     */
 120 #define FFBDAC_CFG_EPNP         0x600C /* Eql'zing Pulse Negation Point */
 121 #define FFBDAC_CFG_EINP         0x600D /* Eql'zing Intvl Negation Point */
 122 #define FFBDAC_CFG_EIAP         0x600E /* Eql'zing Intvl Assertion Point*/
 123 #define FFBDAC_CFG_TGVC         0x600F /* Timing Generator Vert Counter */
 124 #define FFBDAC_CFG_TGHC         0x6010 /* Timing Generator Horz Counter */
 125 #define FFBDAC_CFG_DID          0x8000 /* Device Identification         */
 126 #define FFBDAC_CFG_MPDATA       0x8001 /* Monitor Port Data             */
 127 #define FFBDAC_CFG_MPSENSE      0x8002 /* Monitor Port Sense            */
 128
 129 /* Pixel PLL Control Register */
 130 #define FFBDAC_CFG_PPLLCTRL_M   0x0000007f      /* PLL VCO Multiplicand          */
 131 #define FFBDAC_CFG_PPLLCTRL_D   0x00000780      /* PLL VCO Divisor               */
 132 #define FFBDAC_CFG_PPLLCTRL_PFD 0x00001800      /* Post VCO Frequency Divider    */
 133 #define FFBDAC_CFG_PPLLCTRL_EN  0x00004000      /* Enable PLL as pixel clock src */
 134
 135 /* General Purpose PLL Control Register */
 136 #define FFBDAC_CFG_GPLLCTRL_M   0x0000007f      /* PLL VCO Multiplicand          */
 137 #define FFBDAC_CFG_GPLLCTRL_D   0x00000780      /* PLL VCO Divisor               */
 138 #define FFBDAC_CFG_GPLLCTRL_PFD 0x00001800      /* Post VCO Frequency Divider    */
 139 #define FFBDAC_CFG_GPLLCTRL_EN  0x00004000      /* Enable PLL as Gen. Purpose clk*/
 140
 141 /* Pixel Format Control Register */
 142 #define FFBDAC_CFG_PFCTRL_2_1   0x00000000      /* 2:1 pixel interleave format   */
 143 #define FFBDAC_CFG_PFCTRL_4_1   0x00000001      /* 4:1 pixel interleave format   */
 144 #define FFBDAC_CFG_PFCTRL_42_1  0x00000002      /* 4/2:1 pixel interleave format */
 145 #define FFBDAC_CFG_PFCTRL_82_1  0x00000003      /* 8/2:1 pixel interleave format */
 146
 147 /* User Control Register */
 148 #define FFBDAC_UCTRL_IPDISAB    0x00000001      /* Disable input pullup resistors*/
 149 #define FFBDAC_UCTRL_ABLANK     0x00000002      /* Asynchronous Blank            */
 150 #define FFBDAC_UCTRL_DBENAB     0x00000004      /* Double-Buffer Enable          */
 151 #define FFBDAC_UCTRL_OVENAB     0x00000008      /* Overlay Enable                */
 152 #define FFBDAC_UCTRL_WMODE      0x00000030      /* Window Mode                   */
 153 #define FFBDAC_UCTRL_WM_COMB    0x00000000      /* Window Mode = Combined        */
 154 #define FFBDAC_UCTRL_WM_S4      0x00000010      /* Window Mode = Seperate_4      */
 155 #define FFBDAC_UCTRL_WM_S8      0x00000020      /* Window Mode = Seperate_8      */
 156 #define FFBDAC_UCTRL_WM_RESV    0x00000030      /* Window Mode = reserved        */
 157 #define FFBDAC_UCTRL_MANREV     0x00000f00      /* 4-bit Manufacturing Revision  */
 158
 159 /* Overlay Window Lookup Registers (PAC2 only) */
 160 #define FFBDAC_CFG_OVWLUT_PSEL  0x0000000f      /* Palette Section, Seperate_4   */
 161 #define FFBDAC_CFG_OVWLUT_PTBL  0x00000030      /* Palette Table                 */
 162 #define FFBDAC_CFG_OVWLUT_LKUP  0x00000100      /* 1 = Use palette, 0 = Bypass   */
 163 #define FFBDAC_CFG_OVWLUT_OTYP  0x00000c00      /* Overlay Type                  */
 164 #define FFBDAC_CFG_OVWLUT_O_N   0x00000000      /* Overlay Type - None           */
 165 #define FFBDAC_CFG_OVWLUT_O_T   0x00000400      /* Overlay Type - Transparent    */
 166 #define FFBDAC_CFG_OVWLUT_O_O   0x00000800      /* Overlay Type - Opaque         */
 167 #define FFBDAC_CFG_OVWLUT_O_R   0x00000c00      /* Overlay Type - Reserved       */
 168 #define FFBDAC_CFG_OVWLUT_PCS   0x00003000      /* Psuedocolor Src               */
 169 #define FFBDAC_CFG_OVWLUT_P_XO  0x00000000      /* Psuedocolor Src - XO[7:0]     */
 170 #define FFBDAC_CFG_OVWLUT_P_R   0x00001000      /* Psuedocolor Src - R[7:0]      */
 171 #define FFBDAC_CFG_OVWLUT_P_G   0x00002000      /* Psuedocolor Src - G[7:0]      */
 172 #define FFBDAC_CFG_OVWLUT_P_B   0x00003000      /* Psuedocolor Src - B[7:0]      */
 173
 174 /* Window Transfer Control Register */
 175 #define FFBDAC_CFG_WTCTRL_DS    0x00000001      /* Device Status, 1 = Busy       */
 176 #define FFBDAC_CFG_WTCTRL_TCMD  0x00000002      /* Transfer Command
 177                                                  * 1 = Transfer, 0 = No Action
 178                                                  */
 179 #define FFBDAC_CFG_WTCTRL_TE    0x00000004      /* Transfer Event
 180                                                  * 1 = Next Frame, 0 = Next Field
 181                                                  */
 182 #define FFBDAC_CFG_WTCTRL_DRD   0x00000008      /* Drawing Data
 183                                                  * 1 = Local Drawing Active
 184                                                  * 0 = Local Drawing Idle
 185                                                  */
 186 #define FFBDAC_CFG_WTCTRL_DRS   0x00000010      /* Drawing Status
 187                                                  * 1 = Network Drawing Active
 188                                                  * 0 = Network Drawing Idle
 189                                                  */
 190
 191 /* Transparent Mask Control Register */
 192 #define FFBDAC_CFG_TMCTRL_OMSK  0x000000ff      /* Overlay Mask                  */
 193
 194 /* Transparent Color Key Register */
 195 #define FFBDAC_CFG_TCOLORKEY_K  0x000000ff      /* Overlay Color Key             */
 196
 197 /* Window Address Mask Register (PAC2 only) */
 198 #define FFBDAC_CFG_WAMASK_PMSK  0x0000003f      /* PWLUT select PMASK            */
 199 #define FFBDAC_CFG_WAMASK_OMSK  0x00000300      /* OWLUT control OMASK           */
 200
 201 /* (non-Overlay) Window Lookup Table Registers, PAC1 format */
 202 #define FFBDAC_PAC1_WLUT_DB     0x00000020      /* 0 = Buffer A, 1 = Buffer B    */
 203 #define FFBDAC_PAC1_WLUT_C      0x0000001c      /* C: Color Model Selection      */
 204 #define FFBDAC_PAC1_WLUT_C_8P   0x00000000      /* C: 8bpp Pseudocolor           */
 205 #define FFBDAC_PAC1_WLUT_C_8LG  0x00000004      /* C: 8bpp Linear Grey           */
 206 #define FFBDAC_PAC1_WLUT_C_8NG  0x00000008      /* C: 8bpp Non-Linear Grey       */
 207 #define FFBDAC_PAC1_WLUT_C_24D  0x00000010      /* C: 24bpp Directcolor          */
 208 #define FFBDAC_PAC1_WLUT_C_24LT 0x00000014      /* C: 24bpp Linear Truecolor     */
 209 #define FFBDAC_PAC1_WLUT_C_24NT 0x00000018      /* C: 24bpp Non-Linear Truecolor */
 210 #define FFBDAC_PAC1_WLUT_PCS    0x00000003      /* Pseudocolor Src               */
 211 #define FFBDAC_PAC1_WLUT_P_XO   0x00000000      /* Pseudocolor Src - XO[7:0]     */
 212 #define FFBDAC_PAC1_WLUT_P_R    0x00000001      /* Pseudocolor Src - R[7:0]      */
 213 #define FFBDAC_PAC1_WLUT_P_G    0x00000002      /* Pseudocolor Src - G[7:0]      */
 214 #define FFBDAC_PAC1_WLUT_P_B    0x00000003      /* Pseudocolor Src - B[7:0]      */
 215
 216 /* (non-Overlay) Window Lookup Table Registers, PAC2 format */
 217 #define FFBDAC_PAC2_WLUT_PTBL   0x00000030      /* Palette Table Entry           */
 218 #define FFBDAC_PAC2_WLUT_LKUP   0x00000100      /* 1 = Use palette, 0 = Bypass   */
 219 #define FFBDAC_PAC2_WLUT_PCS    0x00003000      /* Pseudocolor Src               */
 220 #define FFBDAC_PAC2_WLUT_P_XO   0x00000000      /* Pseudocolor Src - XO[7:0]     */
 221 #define FFBDAC_PAC2_WLUT_P_R    0x00001000      /* Pseudocolor Src - R[7:0]      */
 222 #define FFBDAC_PAC2_WLUT_P_G    0x00002000      /* Pseudocolor Src - G[7:0]      */
 223 #define FFBDAC_PAC2_WLUT_P_B    0x00003000      /* Pseudocolor Src - B[7:0]      */
 224 #define FFBDAC_PAC2_WLUT_DEPTH  0x00004000      /* 0 = Pseudocolor, 1 = Truecolor*/
 225 #define FFBDAC_PAC2_WLUT_DB     0x00008000      /* 0 = Buffer A, 1 = Buffer B    */
 226
 227 /* Signature Analysis Control Register */
 228 #define FFBDAC_CFG_SANAL_SRR    0x000000ff      /* DAC Seed/Result for Red       */
 229 #define FFBDAC_CFG_SANAL_SRG    0x0000ff00      /* DAC Seed/Result for Green     */
 230 #define FFBDAC_CFG_SANAL_SRB    0x00ff0000      /* DAC Seed/Result for Blue      */
 231 #define FFBDAC_CFG_SANAL_RQST   0x01000000      /* Signature Capture Request     */
 232 #define FFBDAC_CFG_SANAL_BSY    0x02000000      /* Signature Analysis Busy       */
 233 #define FFBDAC_CFG_SANAL_DSM    0x04000000      /* Data Strobe Mode
 234                                                  * 0 = Signature Analysis Mode
 235                                                  * 1 = Data Strobe Mode
 236                                                  */
 237
 238 /* DAC Control Register */
 239 #define FFBDAC_CFG_DACCTRL_O2   0x00000003      /* Operand 2 Select
 240                                                  * 00 = Normal Operation
 241                                                  * 01 = Select 145mv Reference
 242                                                  * 10 = Select Blue DAC Output
 243                                                  * 11 = Reserved
 244                                                  */
 245 #define FFBDAC_CFG_DACCTRL_O1   0x0000000c      /* Operand 1 Select
 246                                                  * 00 = Normal Operation
 247                                                  * 01 = Select Green DAC Output
 248                                                  * 10 = Select Red DAC Output
 249                                                  * 11 = Reserved
 250                                                  */
 251 #define FFBDAC_CFG_DACCTRL_CR   0x00000010      /* Comparator Result
 252                                                  * 0 = operand1 < operand2
 253                                                  * 1 = operand1 > operand2
 254                                                  */
 255 #define FFBDAC_CFG_DACCTRL_SGE  0x00000020      /* Sync-on-Green Enable          */
 256 #define FFBDAC_CFG_DACCTRL_PE   0x00000040      /* Pedestal Enable               */
 257 #define FFBDAC_CFG_DACCTRL_VPD  0x00000080      /* VSYNC* Pin Disable            */
 258 #define FFBDAC_CFG_DACCTRL_SPB  0x00000100      /* Sync Polarity Bit
 259                                                  * 0 = VSYNC* and CSYNC* active low
 260                                                  * 1 = VSYNC* and CSYNC* active high
 261                                                  */
 262
 263 /* Timing Generator Control Register */
 264 #define FFBDAC_CFG_TGEN_VIDE    0x00000001      /* Video Enable                  */
 265 #define FFBDAC_CFG_TGEN_TGE     0x00000002      /* Timing Generator Enable       */
 266 #define FFBDAC_CFG_TGEN_HSD     0x00000004      /* HSYNC* Disabled               */
 267 #define FFBDAC_CFG_TGEN_VSD     0x00000008      /* VSYNC* Disabled               */
 268 #define FFBDAC_CFG_TGEN_EQD     0x00000010      /* Equalization Disabled         */
 269 #define FFBDAC_CFG_TGEN_MM      0x00000020      /* 0 = Slave, 1 = Master         */
 270 #define FFBDAC_CFG_TGEN_IM      0x00000040      /* 1 = Interlaced Mode           */
 271
 272 /* Device Identification Register, should be 0xA236E1AD for FFB bt497/bt498 */
 273 #define FFBDAC_CFG_DID_ONE      0x00000001      /* Always set                    */
 274 #define FFBDAC_CFG_DID_MANUF    0x00000ffe      /* Manufacturer ID               */
 275 #define FFBDAC_CFG_DID_PNUM     0x0ffff000      /* Device Part Number            */
 276 #define FFBDAC_CFG_DID_REV      0xf0000000      /* Device Revision               */
 277
 278 /* Monitor Port Data Register */
 279 #define FFBDAC_CFG_MPDATA_SCL   0x00000001      /* SCL Data                      */
 280 #define FFBDAC_CFG_MPDATA_SDA   0x00000002      /* SDA Data                      */
 281
 282 /* Monitor Port Sense Register */
 283 #define FFBDAC_CFG_MPSENSE_SCL  0x00000001      /* SCL Sense                     */
 284 #define FFBDAC_CFG_MPSENSE_SDA  0x00000002      /* SDA Sense                     */
 285
 286 /* DAC register access shorthands. */
 287 #define DACCUR_READ(DAC, ADDR)          ((DAC)->cur = (ADDR), (DAC)->curdata)
 288 #define DACCUR_WRITE(DAC, ADDR, VAL)    ((DAC)->cur = (ADDR), (DAC)->curdata = (VAL))
 289 #define DACCFG_READ(DAC, ADDR)          ((DAC)->cfg = (ADDR), (DAC)->cfgdata)
 290 #define DACCFG_WRITE(DAC, ADDR, VAL)    ((DAC)->cfg = (ADDR), (DAC)->cfgdata = (VAL))
 291
 292 typedef struct ffb_dac_hwstate {
 293         unsigned int ppllctrl;
 294         unsigned int gpllctrl;
 295         unsigned int pfctrl;
 296         unsigned int uctrl;
 297         unsigned int clut[256 * 4];     /* One 256 entry clut on PAC1, 4 on PAC2 */
 298         unsigned int ovluts[4];         /* Overlay WLUTS, PAC2 only */
 299         unsigned int wtctrl;
 300         unsigned int tmctrl;
 301         unsigned int tcolorkey;
 302         unsigned int wamask;
 303         unsigned int pwluts[64];
 304         unsigned int dacctrl;
 305         unsigned int tgen;
 306         unsigned int vbnp;
 307         unsigned int vbap;
 308         unsigned int vsnp;
 309         unsigned int vsap;
 310         unsigned int hsnp;
 311         unsigned int hbnp;
 312         unsigned int hbap;
 313         unsigned int hsyncnp;
 314         unsigned int hsyncap;
 315         unsigned int hscennp;
 316         unsigned int hscenap;
 317         unsigned int epnp;
 318         unsigned int einp;
 319         unsigned int eiap;
 320 } ffb_dac_hwstate_t;
 321
 322 typedef struct {
 323         Bool            InUse;
 324
 325         /* The following fields are undefined unless InUse is TRUE. */
 326         int             refcount;
 327         Bool            canshare;
 328         unsigned int    wlut_regval;
 329         int             buffer;         /* 0 = Buffer A, 1 = Buffer B   */
 330         int             depth;          /* 8 or 32 bpp                  */
 331         int             greyscale;      /* 1 = greyscale, 0 = color     */
 332         int             linear;         /* 1 = linear, 0 = non-linear   */
 333         int             direct;         /* 1 = 24bpp directcolor        */
 334         int             channel;        /* 0 = X, 1 = R, 2 = G, 3 = B   */
 335         int             palette;        /* Only PAC2 has multiple CLUTs */
 336 } ffb_wid_info_t;
 337
 338 #define FFB_MAX_PWIDS   64
 339 typedef struct {
 340         int             num_wids;
 341         int             wid_shift;      /* To get X channel value       */
 342         ffb_wid_info_t  wid_pool[FFB_MAX_PWIDS];
 343 } ffb_wid_pool_t;
 344
 345 typedef struct ffb_dac_info {
 346         unsigned int flags;
 347 #define FFB_DAC_PAC1    0x00000001      /* Pacifica1 DAC, BT9068        */
 348 #define FFB_DAC_PAC2    0x00000002      /* Pacifica2 DAC, BT498         */
 349 #define FFB_DAC_ICURCTL 0x00000004      /* Inverted CUR_CTRL bits       */
 350
 351         unsigned int kernel_wid;
 352
 353         /* These registers need to be modified when changing DAC
 354          * timing state, so at init time we capture their values.
 355          */
 356         unsigned int ffbcfg0;
 357         unsigned int ffbcfg2;
 358         unsigned int ffb_passin_ctrl;   /* FFB2+/AFB only */
 359
 360         ffb_dac_hwstate_t       kern_dac_state;
 361         ffb_dac_hwstate_t       x_dac_state;
 362
 363         ffb_wid_pool_t          wid_table;
 364 } ffb_dac_info_t;
 365
 366 #endif /* _FFB_DAC_H */