release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/staging/xgifb/XGI_main.h

   1 #ifndef _XGIFB_MAIN
   2 #define _XGIFB_MAIN
   3
   4
   5 /* ------------------- Constant Definitions ------------------------- */
   6
   7
   8 #include "XGIfb.h"
   9 #include "vb_struct.h"
  10 #include "vb_def.h"
  11
  12 //#define LINUXBIOS   /* turn this on when compiling for LINUXBIOS */
  13 #define AGPOFF     /* default is turn off AGP */
  14
  15 #define XGIFAIL(x) do { printk(x "\n"); return -EINVAL; } while(0)
  16
  17 #define VER_MAJOR                 0
  18 #define VER_MINOR                 8
  19 #define VER_LEVEL                 1
  20
  21 #define DRIVER_DESC  "XGI Volari Frame Buffer Module Version 0.8.1"
  22
  23 #ifndef PCI_VENDOR_ID_XG
  24 #define PCI_VENDOR_ID_XG          0x18CA
  25 #endif
  26
  27 #ifndef PCI_DEVICE_ID_XG_40
  28 #define PCI_DEVICE_ID_XG_40      0x040
  29 #endif
  30 #ifndef PCI_DEVICE_ID_XG_41
  31 #define PCI_DEVICE_ID_XG_41      0x041
  32 #endif
  33 #ifndef PCI_DEVICE_ID_XG_42
  34 #define PCI_DEVICE_ID_XG_42      0x042
  35 #endif
  36 #ifndef PCI_DEVICE_ID_XG_20
  37 #define PCI_DEVICE_ID_XG_20      0x020
  38 #endif
  39 #ifndef PCI_DEVICE_ID_XG_27
  40 #define PCI_DEVICE_ID_XG_27      0x027
  41 #endif
  42
  43
  44
  45 #define XGI_IOTYPE1 void __iomem
  46 #define XGI_IOTYPE2 __iomem
  47 #define XGIINITSTATIC static
  48
  49 static struct pci_device_id __devinitdata xgifb_pci_table[] = {
  50
  51         { PCI_VENDOR_ID_XG, PCI_DEVICE_ID_XG_20, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
  52         { PCI_VENDOR_ID_XG, PCI_DEVICE_ID_XG_27, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
  53         { PCI_VENDOR_ID_XG, PCI_DEVICE_ID_XG_40, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2},
  54         { PCI_VENDOR_ID_XG, PCI_DEVICE_ID_XG_42, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3},
  55         { 0 }
  56 };
  57
  58 MODULE_DEVICE_TABLE(pci, xgifb_pci_table);
  59
  60 /* To be included in fb.h */
  61 #ifndef FB_ACCEL_XGI_GLAMOUR_2
  62 #define FB_ACCEL_XGI_GLAMOUR_2  40      /* XGI 315, 650, 740            */
  63 #endif
  64 #ifndef FB_ACCEL_XGI_XABRE
  65 #define FB_ACCEL_XGI_XABRE      41      /* XGI 330 ("Xabre")            */
  66 #endif
  67
  68 #define MAX_ROM_SCAN              0x10000
  69
  70 #define HW_CURSOR_CAP             0x80
  71 #define TURBO_QUEUE_CAP           0x40
  72 #define AGP_CMD_QUEUE_CAP         0x20
  73 #define VM_CMD_QUEUE_CAP          0x10
  74 #define MMIO_CMD_QUEUE_CAP        0x08
  75
  76
  77
  78 /* For 315 series */
  79
  80 #define COMMAND_QUEUE_AREA_SIZE   0x80000 /* 512K */
  81 #define COMMAND_QUEUE_THRESHOLD   0x1F
  82
  83
  84 /* TW */
  85 #define HW_CURSOR_AREA_SIZE_315   0x4000  /* 16K */
  86 #define HW_CURSOR_AREA_SIZE_300   0x1000  /* 4K */
  87
  88 #define OH_ALLOC_SIZE             4000
  89 #define SENTINEL                  0x7fffffff
  90
  91 #define SEQ_ADR                   0x14
  92 #define SEQ_DATA                  0x15
  93 #define DAC_ADR                   0x18
  94 #define DAC_DATA                  0x19
  95 #define CRTC_ADR                  0x24
  96 #define CRTC_DATA                 0x25
  97 #define DAC2_ADR                  (0x16-0x30)
  98 #define DAC2_DATA                 (0x17-0x30)
  99 #define VB_PART1_ADR              (0x04-0x30)
 100 #define VB_PART1_DATA             (0x05-0x30)
 101 #define VB_PART2_ADR              (0x10-0x30)
 102 #define VB_PART2_DATA             (0x11-0x30)
 103 #define VB_PART3_ADR              (0x12-0x30)
 104 #define VB_PART3_DATA             (0x13-0x30)
 105 #define VB_PART4_ADR              (0x14-0x30)
 106 #define VB_PART4_DATA             (0x15-0x30)
 107
 108 #define XGISR                     XGI_Pr.P3c4
 109 #define XGICR                     XGI_Pr.P3d4
 110 #define XGIDACA                   XGI_Pr.P3c8
 111 #define XGIDACD                   XGI_Pr.P3c9
 112 #define XGIPART1                  XGI_Pr.Part1Port
 113 #define XGIPART2                  XGI_Pr.Part2Port
 114 #define XGIPART3                  XGI_Pr.Part3Port
 115 #define XGIPART4                  XGI_Pr.Part4Port
 116 #define XGIPART5                  XGI_Pr.Part5Port
 117 #define XGIDAC2A                  XGIPART5
 118 #define XGIDAC2D                  (XGIPART5 + 1)
 119 #define XGIMISCR                  (XGI_Pr.RelIO + 0x1c)
 120 #define XGIINPSTAT                (XGI_Pr.RelIO + 0x2a)
 121
 122 #define IND_XGI_PASSWORD          0x05  /* SRs */
 123 #define IND_XGI_COLOR_MODE        0x06
 124 #define IND_XGI_RAMDAC_CONTROL    0x07
 125 #define IND_XGI_DRAM_SIZE         0x14
 126 #define IND_XGI_SCRATCH_REG_16    0x16
 127 #define IND_XGI_SCRATCH_REG_17    0x17
 128 #define IND_XGI_SCRATCH_REG_1A    0x1A
 129 #define IND_XGI_MODULE_ENABLE     0x1E
 130 #define IND_XGI_PCI_ADDRESS_SET   0x20
 131 #define IND_XGI_TURBOQUEUE_ADR    0x26
 132 #define IND_XGI_TURBOQUEUE_SET    0x27
 133 #define IND_XGI_POWER_ON_TRAP     0x38
 134 #define IND_XGI_POWER_ON_TRAP2    0x39
 135 #define IND_XGI_CMDQUEUE_SET      0x26
 136 #define IND_XGI_CMDQUEUE_THRESHOLD  0x27
 137
 138 #define IND_XGI_SCRATCH_REG_CR30  0x30  /* CRs */
 139 #define IND_XGI_SCRATCH_REG_CR31  0x31
 140 #define IND_XGI_SCRATCH_REG_CR32  0x32
 141 #define IND_XGI_SCRATCH_REG_CR33  0x33
 142 #define IND_XGI_LCD_PANEL         0x36
 143 #define IND_XGI_SCRATCH_REG_CR37  0x37
 144 #define IND_XGI_AGP_IO_PAD        0x48
 145
 146 #define IND_BRI_DRAM_STATUS       0x63 /* PCI config memory size offset */
 147
 148 #define MMIO_QUEUE_PHYBASE        0x85C0
 149 #define MMIO_QUEUE_WRITEPORT      0x85C4
 150 #define MMIO_QUEUE_READPORT       0x85C8
 151
 152 #define IND_XGI_CRT2_WRITE_ENABLE_300 0x24
 153 #define IND_XGI_CRT2_WRITE_ENABLE_315 0x2F
 154
 155 #define XGI_PASSWORD              0x86  /* SR05 */
 156 #define XGI_INTERLACED_MODE       0x20  /* SR06 */
 157 #define XGI_8BPP_COLOR_MODE       0x0
 158 #define XGI_15BPP_COLOR_MODE      0x1
 159 #define XGI_16BPP_COLOR_MODE      0x2
 160 #define XGI_32BPP_COLOR_MODE      0x4
 161
 162 #define XGI_DRAM_SIZE_MASK     0xF0  /*SR14 */
 163 #define XGI_DRAM_SIZE_1MB      0x00
 164 #define XGI_DRAM_SIZE_2MB      0x01
 165 #define XGI_DRAM_SIZE_4MB      0x02
 166 #define XGI_DRAM_SIZE_8MB      0x03
 167 #define XGI_DRAM_SIZE_16MB     0x04
 168 #define XGI_DRAM_SIZE_32MB     0x05
 169 #define XGI_DRAM_SIZE_64MB     0x06
 170 #define XGI_DRAM_SIZE_128MB    0x07
 171 #define XGI_DRAM_SIZE_256MB    0x08
 172 #define XGI_DATA_BUS_MASK      0x02
 173 #define XGI_DATA_BUS_64        0x00
 174 #define XGI_DATA_BUS_128       0x01
 175 #define XGI_DUAL_CHANNEL_MASK  0x0C
 176 #define XGI_SINGLE_CHANNEL_1_RANK       0x0
 177 #define XGI_SINGLE_CHANNEL_2_RANK       0x1
 178 #define XGI_ASYM_DDR                    0x02
 179 #define XGI_DUAL_CHANNEL_1_RANK         0x3
 180
 181 #define XGI550_DRAM_SIZE_MASK     0x3F  /* 550/650/740 SR14 */
 182 #define XGI550_DRAM_SIZE_4MB      0x00
 183 #define XGI550_DRAM_SIZE_8MB      0x01
 184 #define XGI550_DRAM_SIZE_16MB     0x03
 185 #define XGI550_DRAM_SIZE_24MB     0x05
 186 #define XGI550_DRAM_SIZE_32MB     0x07
 187 #define XGI550_DRAM_SIZE_64MB     0x0F
 188 #define XGI550_DRAM_SIZE_96MB     0x17
 189 #define XGI550_DRAM_SIZE_128MB    0x1F
 190 #define XGI550_DRAM_SIZE_256MB    0x3F
 191
 192 #define XGI_SCRATCH_REG_1A_MASK   0x10
 193
 194 #define XGI_ENABLE_2D             0x40  /* SR1E */
 195
 196 #define XGI_MEM_MAP_IO_ENABLE     0x01  /* SR20 */
 197 #define XGI_PCI_ADDR_ENABLE       0x80
 198
 199 #define XGI_AGP_CMDQUEUE_ENABLE   0x80  /* 315/650/740 SR26 */
 200 #define XGI_VRAM_CMDQUEUE_ENABLE  0x40
 201 #define XGI_MMIO_CMD_ENABLE       0x20
 202 #define XGI_CMD_QUEUE_SIZE_512k   0x00
 203 #define XGI_CMD_QUEUE_SIZE_1M     0x04
 204 #define XGI_CMD_QUEUE_SIZE_2M     0x08
 205 #define XGI_CMD_QUEUE_SIZE_4M     0x0C
 206 #define XGI_CMD_QUEUE_RESET       0x01
 207 #define XGI_CMD_AUTO_CORR         0x02
 208
 209 #define XGI_SIMULTANEOUS_VIEW_ENABLE  0x01  /* CR30 */
 210 #define XGI_MODE_SELECT_CRT2      0x02
 211 #define XGI_VB_OUTPUT_COMPOSITE   0x04
 212 #define XGI_VB_OUTPUT_SVIDEO      0x08
 213 #define XGI_VB_OUTPUT_SCART       0x10
 214 #define XGI_VB_OUTPUT_LCD         0x20
 215 #define XGI_VB_OUTPUT_CRT2        0x40
 216 #define XGI_VB_OUTPUT_HIVISION    0x80
 217
 218 #define XGI_VB_OUTPUT_DISABLE     0x20  /* CR31 */
 219 #define XGI_DRIVER_MODE           0x40
 220
 221 #define XGI_VB_COMPOSITE          0x01  /* CR32 */
 222 #define XGI_VB_SVIDEO             0x02
 223 #define XGI_VB_SCART              0x04
 224 #define XGI_VB_LCD                0x08
 225 #define XGI_VB_CRT2               0x10
 226 #define XGI_CRT1                  0x20
 227 #define XGI_VB_HIVISION           0x40
 228 #define XGI_VB_YPBPR                0x80
 229 #define XGI_VB_TV                 (XGI_VB_COMPOSITE | XGI_VB_SVIDEO | \
 230                                    XGI_VB_SCART | XGI_VB_HIVISION|XGI_VB_YPBPR)
 231
 232 #define XGI_EXTERNAL_CHIP_MASK             0x0E  /* CR37 */
 233 #define XGI_EXTERNAL_CHIP_XGI301           0x01  /* in CR37 << 1 ! */
 234 #define XGI_EXTERNAL_CHIP_LVDS             0x02  /* in CR37 << 1 ! */
 235 #define XGI_EXTERNAL_CHIP_TRUMPION         0x03  /* in CR37 << 1 ! */
 236 #define XGI_EXTERNAL_CHIP_LVDS_CHRONTEL    0x04  /* in CR37 << 1 ! */
 237 #define XGI_EXTERNAL_CHIP_CHRONTEL         0x05  /* in CR37 << 1 ! */
 238 #define XGI310_EXTERNAL_CHIP_LVDS          0x02  /* in CR37 << 1 ! */
 239 #define XGI310_EXTERNAL_CHIP_LVDS_CHRONTEL 0x03  /* in CR37 << 1 ! */
 240
 241 #define XGI_AGP_2X                0x20  /* CR48 */
 242
 243 #define BRI_DRAM_SIZE_MASK        0x70  /* PCI bridge config data */
 244 #define BRI_DRAM_SIZE_2MB         0x00
 245 #define BRI_DRAM_SIZE_4MB         0x01
 246 #define BRI_DRAM_SIZE_8MB         0x02
 247 #define BRI_DRAM_SIZE_16MB        0x03
 248 #define BRI_DRAM_SIZE_32MB        0x04
 249 #define BRI_DRAM_SIZE_64MB        0x05
 250
 251 #define SR_BUFFER_SIZE            5
 252 #define CR_BUFFER_SIZE            5
 253
 254 /* Useful macros */
 255 #define inXGIREG(base)          inb(base)
 256 #define outXGIREG(base,val)     outb(val,base)
 257 #define orXGIREG(base,val)      do { \
 258                                   unsigned char __Temp = inb(base); \
 259                                   outXGIREG(base, __Temp | (val)); \
 260                                 } while (0)
 261 #define andXGIREG(base,val)     do { \
 262                                   unsigned char __Temp = inb(base); \
 263                                   outXGIREG(base, __Temp & (val)); \
 264                                 } while (0)
 265 #define inXGIIDXREG(base,idx,var)   do { \
 266                                       outb(idx,base); var=inb((base)+1); \
 267                                     } while (0)
 268 #define outXGIIDXREG(base,idx,val)  do { \
 269                                       outb(idx,base); outb((val),(base)+1); \
 270                                     } while (0)
 271 #define orXGIIDXREG(base,idx,val)   do { \
 272                                       unsigned char __Temp; \
 273                                       outb(idx,base);   \
 274                                       __Temp = inb((base)+1)|(val); \
 275                                       outXGIIDXREG(base,idx,__Temp); \
 276                                     } while (0)
 277 #define andXGIIDXREG(base,idx,and)  do { \
 278                                       unsigned char __Temp; \
 279                                       outb(idx,base);   \
 280                                       __Temp = inb((base)+1)&(and); \
 281                                       outXGIIDXREG(base,idx,__Temp); \
 282                                     } while (0)
 283 #define setXGIIDXREG(base,idx,and,or)   do { \
 284                                           unsigned char __Temp; \
 285                                           outb(idx,base);   \
 286                                           __Temp = (inb((base)+1)&(and))|(or); \
 287                                           outXGIIDXREG(base,idx,__Temp); \
 288                                         } while (0)
 289
 290 /* ------------------- Global Variables ----------------------------- */
 291
 292 /* Fbcon variables */
 293 static struct fb_info* fb_info;
 294
 295
 296 static int    video_type = FB_TYPE_PACKED_PIXELS;
 297
 298 static struct fb_var_screeninfo default_var = {
 299         .xres           = 0,
 300         .yres           = 0,
 301         .xres_virtual   = 0,
 302         .yres_virtual   = 0,
 303         .xoffset        = 0,
 304         .yoffset        = 0,
 305         .bits_per_pixel = 0,
 306         .grayscale      = 0,
 307         .red            = {0, 8, 0},
 308         .green          = {0, 8, 0},
 309         .blue           = {0, 8, 0},
 310         .transp         = {0, 0, 0},
 311         .nonstd         = 0,
 312         .activate       = FB_ACTIVATE_NOW,
 313         .height         = -1,
 314         .width          = -1,
 315         .accel_flags    = 0,
 316         .pixclock       = 0,
 317         .left_margin    = 0,
 318         .right_margin   = 0,
 319         .upper_margin   = 0,
 320         .lower_margin   = 0,
 321         .hsync_len      = 0,
 322         .vsync_len      = 0,
 323         .sync           = 0,
 324         .vmode          = FB_VMODE_NONINTERLACED,
 325 };
 326
 327 static struct fb_fix_screeninfo XGIfb_fix = {
 328         .id             = "XGI",
 329         .type           = FB_TYPE_PACKED_PIXELS,
 330         .xpanstep       = 1,
 331         .ypanstep       = 1,
 332 };
 333 static char myid[20];
 334 static u32 pseudo_palette[17];
 335
 336
 337 /* display status */
 338 static int XGIfb_off = 0;
 339 static int XGIfb_crt1off = 0;
 340 static int XGIfb_forcecrt1 = -1;
 341 static int XGIvga_enabled = 0;
 342 static int XGIfb_userom = 0;
 343 //static int XGIfb_useoem = -1;
 344
 345 /* global flags */
 346 static int XGIfb_registered;
 347 static int XGIfb_tvmode = 0;
 348 static int XGIfb_mem = 0;
 349 static int XGIfb_pdc = 0;
 350 static int enable_dstn = 0;
 351 static int XGIfb_ypan = -1;
 352
 353
 354 int        XGIfb_accel = 0;
 355
 356
 357 static int XGIfb_hwcursor_size = 0;
 358 static int XGIfb_CRT2_write_enable = 0;
 359
 360 int XGIfb_crt2type  = -1;       /* TW: CRT2 type (for overriding autodetection) */
 361 int XGIfb_tvplug    = -1;       /* PR: Tv plug type (for overriding autodetection) */
 362
 363 int XGIfb_queuemode = -1;       /* TW: Use MMIO queue mode by default (310/325 series only) */
 364
 365 unsigned char XGIfb_detectedpdc = 0;
 366
 367 unsigned char XGIfb_detectedlcda = 0xff;
 368
 369
 370
 371
 372 /* TW: For ioctl XGIFB_GET_INFO */
 373 /* XGIfb_info XGIfbinfo; */
 374
 375 /* TW: Hardware extension; contains data on hardware */
 376 struct xgi_hw_device_info XGIhw_ext;
 377
 378 /* TW: XGI private structure */
 379 struct vb_device_info  XGI_Pr;
 380
 381 /* card parameters */
 382 static unsigned long XGIfb_mmio_size = 0;
 383 static u8            XGIfb_caps = 0;
 384
 385 typedef enum _XGI_CMDTYPE {
 386         MMIO_CMD = 0,
 387         AGP_CMD_QUEUE,
 388         VM_CMD_QUEUE,
 389 } XGI_CMDTYPE;
 390
 391 #define MD_XGI300 1
 392 #define MD_XGI315 2
 393
 394 /* mode table */
 395 /* NOT const - will be patched for 1280x960 mode number chaos reasons */
 396 struct _XGIbios_mode {
 397         char name[15];
 398         u8 mode_no;
 399         u16 vesa_mode_no_1;  /* "XGI defined" VESA mode number */
 400         u16 vesa_mode_no_2;  /* Real VESA mode numbers */
 401         u16 xres;
 402         u16 yres;
 403         u16 bpp;
 404         u16 rate_idx;
 405         u16 cols;
 406         u16 rows;
 407         u8  chipset;
 408 } XGIbios_mode[] = {
 409 #define MODE_INDEX_NONE           0  /* TW: index for mode=none */
 410         {"none",         0xFF, 0x0000, 0x0000,    0,    0,  0, 0,   0,  0, MD_XGI300|MD_XGI315},  /* TW: for mode "none" */
 411         {"320x240x16",   0x56, 0x0000, 0x0000,  320,  240, 16, 1,  40, 15,           MD_XGI315},
 412         {"320x480x8",    0x5A, 0x0000, 0x0000,  320,  480,  8, 1,  40, 30,           MD_XGI315},  /* TW: FSTN */
 413         {"320x480x16",   0x5B, 0x0000, 0x0000,  320,  480, 16, 1,  40, 30,           MD_XGI315},  /* TW: FSTN */
 414         {"640x480x8",    0x2E, 0x0101, 0x0101,  640,  480,  8, 1,  80, 30, MD_XGI300|MD_XGI315},
 415         {"640x480x16",   0x44, 0x0111, 0x0111,  640,  480, 16, 1,  80, 30, MD_XGI300|MD_XGI315},
 416         {"640x480x24",   0x62, 0x013a, 0x0112,  640,  480, 32, 1,  80, 30, MD_XGI300|MD_XGI315},  /* TW: That's for people who mix up color- and fb depth */
 417         {"640x480x32",   0x62, 0x013a, 0x0112,  640,  480, 32, 1,  80, 30, MD_XGI300|MD_XGI315},
 418         {"720x480x8",    0x31, 0x0000, 0x0000,  720,  480,  8, 1,  90, 30, MD_XGI300|MD_XGI315},
 419         {"720x480x16",   0x33, 0x0000, 0x0000,  720,  480, 16, 1,  90, 30, MD_XGI300|MD_XGI315},
 420         {"720x480x24",   0x35, 0x0000, 0x0000,  720,  480, 32, 1,  90, 30, MD_XGI300|MD_XGI315},
 421         {"720x480x32",   0x35, 0x0000, 0x0000,  720,  480, 32, 1,  90, 30, MD_XGI300|MD_XGI315},
 422         {"720x576x8",    0x32, 0x0000, 0x0000,  720,  576,  8, 1,  90, 36, MD_XGI300|MD_XGI315},
 423         {"720x576x16",   0x34, 0x0000, 0x0000,  720,  576, 16, 1,  90, 36, MD_XGI300|MD_XGI315},
 424         {"720x576x24",   0x36, 0x0000, 0x0000,  720,  576, 32, 1,  90, 36, MD_XGI300|MD_XGI315},
 425         {"720x576x32",   0x36, 0x0000, 0x0000,  720,  576, 32, 1,  90, 36, MD_XGI300|MD_XGI315},
 426         {"800x480x8",    0x70, 0x0000, 0x0000,  800,  480,  8, 1, 100, 30, MD_XGI300|MD_XGI315},
 427         {"800x480x16",   0x7a, 0x0000, 0x0000,  800,  480, 16, 1, 100, 30, MD_XGI300|MD_XGI315},
 428         {"800x480x24",   0x76, 0x0000, 0x0000,  800,  480, 32, 1, 100, 30, MD_XGI300|MD_XGI315},
 429         {"800x480x32",   0x76, 0x0000, 0x0000,  800,  480, 32, 1, 100, 30, MD_XGI300|MD_XGI315},
 430 #define DEFAULT_MODE              21 /* TW: index for 800x600x8 */
 431 #define DEFAULT_LCDMODE           21 /* TW: index for 800x600x8 */
 432 #define DEFAULT_TVMODE            21 /* TW: index for 800x600x8 */
 433         {"800x600x8",    0x30, 0x0103, 0x0103,  800,  600,  8, 1, 100, 37, MD_XGI300|MD_XGI315},
 434         {"800x600x16",   0x47, 0x0114, 0x0114,  800,  600, 16, 1, 100, 37, MD_XGI300|MD_XGI315},
 435         {"800x600x24",   0x63, 0x013b, 0x0115,  800,  600, 32, 1, 100, 37, MD_XGI300|MD_XGI315},
 436         {"800x600x32",   0x63, 0x013b, 0x0115,  800,  600, 32, 1, 100, 37, MD_XGI300|MD_XGI315},
 437         {"1024x576x8",   0x71, 0x0000, 0x0000, 1024,  576,  8, 1, 128, 36, MD_XGI300|MD_XGI315},
 438         {"1024x576x16",  0x74, 0x0000, 0x0000, 1024,  576, 16, 1, 128, 36, MD_XGI300|MD_XGI315},
 439         {"1024x576x24",  0x77, 0x0000, 0x0000, 1024,  576, 32, 1, 128, 36, MD_XGI300|MD_XGI315},
 440         {"1024x576x32",  0x77, 0x0000, 0x0000, 1024,  576, 32, 1, 128, 36, MD_XGI300|MD_XGI315},
 441         {"1024x600x8",   0x20, 0x0000, 0x0000, 1024,  600,  8, 1, 128, 37, MD_XGI300          },  /* TW: 300 series only */
 442         {"1024x600x16",  0x21, 0x0000, 0x0000, 1024,  600, 16, 1, 128, 37, MD_XGI300          },
 443         {"1024x600x24",  0x22, 0x0000, 0x0000, 1024,  600, 32, 1, 128, 37, MD_XGI300          },
 444         {"1024x600x32",  0x22, 0x0000, 0x0000, 1024,  600, 32, 1, 128, 37, MD_XGI300          },
 445         {"1024x768x8",   0x38, 0x0105, 0x0105, 1024,  768,  8, 1, 128, 48, MD_XGI300|MD_XGI315},
 446         {"1024x768x16",  0x4A, 0x0117, 0x0117, 1024,  768, 16, 1, 128, 48, MD_XGI300|MD_XGI315},
 447         {"1024x768x24",  0x64, 0x013c, 0x0118, 1024,  768, 32, 1, 128, 48, MD_XGI300|MD_XGI315},
 448         {"1024x768x32",  0x64, 0x013c, 0x0118, 1024,  768, 32, 1, 128, 48, MD_XGI300|MD_XGI315},
 449         {"1152x768x8",   0x23, 0x0000, 0x0000, 1152,  768,  8, 1, 144, 48, MD_XGI300          },  /* TW: 300 series only */
 450         {"1152x768x16",  0x24, 0x0000, 0x0000, 1152,  768, 16, 1, 144, 48, MD_XGI300          },
 451         {"1152x768x24",  0x25, 0x0000, 0x0000, 1152,  768, 32, 1, 144, 48, MD_XGI300          },
 452         {"1152x768x32",  0x25, 0x0000, 0x0000, 1152,  768, 32, 1, 144, 48, MD_XGI300          },
 453         {"1280x720x8",   0x79, 0x0000, 0x0000, 1280,  720,  8, 1, 160, 45, MD_XGI300|MD_XGI315},
 454         {"1280x720x16",  0x75, 0x0000, 0x0000, 1280,  720, 16, 1, 160, 45, MD_XGI300|MD_XGI315},
 455         {"1280x720x24",  0x78, 0x0000, 0x0000, 1280,  720, 32, 1, 160, 45, MD_XGI300|MD_XGI315},
 456         {"1280x720x32",  0x78, 0x0000, 0x0000, 1280,  720, 32, 1, 160, 45, MD_XGI300|MD_XGI315},
 457         {"1280x768x8",   0x23, 0x0000, 0x0000, 1280,  768,  8, 1, 160, 48,           MD_XGI315},  /* TW: 310/325 series only */
 458         {"1280x768x16",  0x24, 0x0000, 0x0000, 1280,  768, 16, 1, 160, 48,           MD_XGI315},
 459         {"1280x768x24",  0x25, 0x0000, 0x0000, 1280,  768, 32, 1, 160, 48,           MD_XGI315},
 460         {"1280x768x32",  0x25, 0x0000, 0x0000, 1280,  768, 32, 1, 160, 48,           MD_XGI315},
 461 #define MODEINDEX_1280x960 48
 462         {"1280x960x8",   0x7C, 0x0000, 0x0000, 1280,  960,  8, 1, 160, 60, MD_XGI300|MD_XGI315},  /* TW: Modenumbers being patched */
 463         {"1280x960x16",  0x7D, 0x0000, 0x0000, 1280,  960, 16, 1, 160, 60, MD_XGI300|MD_XGI315},
 464         {"1280x960x24",  0x7E, 0x0000, 0x0000, 1280,  960, 32, 1, 160, 60, MD_XGI300|MD_XGI315},
 465         {"1280x960x32",  0x7E, 0x0000, 0x0000, 1280,  960, 32, 1, 160, 60, MD_XGI300|MD_XGI315},
 466         {"1280x1024x8",  0x3A, 0x0107, 0x0107, 1280, 1024,  8, 1, 160, 64, MD_XGI300|MD_XGI315},
 467         {"1280x1024x16", 0x4D, 0x011a, 0x011a, 1280, 1024, 16, 1, 160, 64, MD_XGI300|MD_XGI315},
 468         {"1280x1024x24", 0x65, 0x013d, 0x011b, 1280, 1024, 32, 1, 160, 64, MD_XGI300|MD_XGI315},
 469         {"1280x1024x32", 0x65, 0x013d, 0x011b, 1280, 1024, 32, 1, 160, 64, MD_XGI300|MD_XGI315},
 470         {"1400x1050x8",  0x26, 0x0000, 0x0000, 1400, 1050,  8, 1, 175, 65,           MD_XGI315},  /* TW: 310/325 series only */
 471         {"1400x1050x16", 0x27, 0x0000, 0x0000, 1400, 1050, 16, 1, 175, 65,           MD_XGI315},
 472         {"1400x1050x24", 0x28, 0x0000, 0x0000, 1400, 1050, 32, 1, 175, 65,           MD_XGI315},
 473         {"1400x1050x32", 0x28, 0x0000, 0x0000, 1400, 1050, 32, 1, 175, 65,           MD_XGI315},
 474         {"1600x1200x8",  0x3C, 0x0130, 0x011c, 1600, 1200,  8, 1, 200, 75, MD_XGI300|MD_XGI315},
 475         {"1600x1200x16", 0x3D, 0x0131, 0x011e, 1600, 1200, 16, 1, 200, 75, MD_XGI300|MD_XGI315},
 476         {"1600x1200x24", 0x66, 0x013e, 0x011f, 1600, 1200, 32, 1, 200, 75, MD_XGI300|MD_XGI315},
 477         {"1600x1200x32", 0x66, 0x013e, 0x011f, 1600, 1200, 32, 1, 200, 75, MD_XGI300|MD_XGI315},
 478         {"1920x1440x8",  0x68, 0x013f, 0x0000, 1920, 1440,  8, 1, 240, 75, MD_XGI300|MD_XGI315},
 479         {"1920x1440x16", 0x69, 0x0140, 0x0000, 1920, 1440, 16, 1, 240, 75, MD_XGI300|MD_XGI315},
 480         {"1920x1440x24", 0x6B, 0x0141, 0x0000, 1920, 1440, 32, 1, 240, 75, MD_XGI300|MD_XGI315},
 481         {"1920x1440x32", 0x6B, 0x0141, 0x0000, 1920, 1440, 32, 1, 240, 75, MD_XGI300|MD_XGI315},
 482         {"2048x1536x8",  0x6c, 0x0000, 0x0000, 2048, 1536,  8, 1, 256, 96,           MD_XGI315},  /* TW: 310/325 series only */
 483         {"2048x1536x16", 0x6d, 0x0000, 0x0000, 2048, 1536, 16, 1, 256, 96,           MD_XGI315},
 484         {"2048x1536x24", 0x6e, 0x0000, 0x0000, 2048, 1536, 32, 1, 256, 96,           MD_XGI315},
 485         {"2048x1536x32", 0x6e, 0x0000, 0x0000, 2048, 1536, 32, 1, 256, 96,           MD_XGI315},
 486         {"\0", 0x00, 0, 0, 0, 0, 0, 0, 0}
 487 };
 488
 489 /* mode-related variables */
 490 #ifdef MODULE
 491 static int xgifb_mode_idx = 1;
 492 #else
 493 static int xgifb_mode_idx = -1;               /* Use a default mode if we are inside the kernel */
 494 #endif
 495 u8  XGIfb_mode_no  = 0;
 496 u8  XGIfb_rate_idx = 0;
 497
 498 /* TW: CR36 evaluation */
 499 const unsigned short XGI300paneltype[] =
 500     { LCD_UNKNOWN,   LCD_800x600,  LCD_1024x768,  LCD_1280x1024,
 501       LCD_1280x960,  LCD_640x480,  LCD_1024x600,  LCD_1152x768,
 502        LCD_1024x768, LCD_1024x768,  LCD_1024x768,
 503       LCD_1024x768,  LCD_1024x768, LCD_1024x768,  LCD_1024x768 };
 504
 505 const unsigned short XGI310paneltype[] =
 506     { LCD_UNKNOWN,   LCD_800x600,  LCD_1024x768,  LCD_1280x1024,
 507       LCD_640x480,   LCD_1024x600, LCD_1152x864,  LCD_1280x960,
 508       LCD_1152x768,  LCD_1400x1050,LCD_1280x768,  LCD_1600x1200,
 509       LCD_1024x768, LCD_1024x768,  LCD_1024x768 };
 510
 511 static const struct _XGI_crt2type {
 512         char name[10];
 513         int type_no;
 514         int tvplug_no;
 515 } XGI_crt2type[] = {
 516         {"NONE",        0,              -1},
 517         {"LCD",         DISPTYPE_LCD,   -1},
 518         {"TV",          DISPTYPE_TV,    -1},
 519         {"VGA",         DISPTYPE_CRT2,  -1},
 520         {"SVIDEO",      DISPTYPE_TV,    TVPLUG_SVIDEO},
 521         {"COMPOSITE",   DISPTYPE_TV,    TVPLUG_COMPOSITE},
 522         {"SCART",       DISPTYPE_TV,    TVPLUG_SCART},
 523         {"none",        0,              -1},
 524         {"lcd",         DISPTYPE_LCD,   -1},
 525         {"tv",          DISPTYPE_TV,    -1},
 526         {"vga",         DISPTYPE_CRT2,  -1},
 527         {"svideo",      DISPTYPE_TV,    TVPLUG_SVIDEO},
 528         {"composite",   DISPTYPE_TV,    TVPLUG_COMPOSITE},
 529         {"scart",       DISPTYPE_TV,    TVPLUG_SCART},
 530         {"\0",          -1,             -1}
 531 };
 532
 533 /* Queue mode selection for 310 series */
 534 static const struct _XGI_queuemode {
 535         char name[6];
 536         int type_no;
 537 } XGI_queuemode[] = {
 538         {"AGP",         AGP_CMD_QUEUE},
 539         {"VRAM",        VM_CMD_QUEUE},
 540         {"MMIO",        MMIO_CMD},
 541         {"agp",         AGP_CMD_QUEUE},
 542         {"vram",        VM_CMD_QUEUE},
 543         {"mmio",        MMIO_CMD},
 544         {"\0",          -1}
 545 };
 546
 547 /* TV standard */
 548 static const struct _XGI_tvtype {
 549         char name[6];
 550         int type_no;
 551 } XGI_tvtype[] = {
 552         {"PAL",         1},
 553         {"NTSC",        2},
 554         {"pal",         1},
 555         {"ntsc",        2},
 556         {"\0",          -1}
 557 };
 558
 559 static const struct _XGI_vrate {
 560         u16 idx;
 561         u16 xres;
 562         u16 yres;
 563         u16 refresh;
 564 } XGIfb_vrate[] = {
 565         {1,  640,  480, 60}, {2,  640,  480,  72}, {3, 640,   480,  75}, {4,  640, 480,  85},
 566         {5,  640,  480,100}, {6,  640,  480, 120}, {7, 640,   480, 160}, {8,  640, 480, 200},
 567         {1,  720,  480, 60},
 568         {1,  720,  576, 58},
 569         {1,  800,  480, 60}, {2,  800,  480,  75}, {3, 800,   480,  85},
 570         {1,  800,  600,  60}, {2, 800,   600,  72}, {3,  800, 600,  75},
 571         {4,  800,  600, 85}, {5,  800,  600, 100}, {6, 800,   600, 120}, {7,  800, 600, 160},
 572         {1, 1024,  768,  60}, {2, 1024,  768,  70}, {3, 1024, 768,  75},
 573         {4, 1024,  768, 85}, {5, 1024,  768, 100}, {6, 1024,  768, 120},
 574         {1, 1024,  576, 60}, {2, 1024,  576,  75}, {3, 1024,  576,  85},
 575         {1, 1024,  600, 60},
 576         {1, 1152,  768, 60},
 577         {1, 1280,  720, 60}, {2, 1280,  720,  75}, {3, 1280,  720,  85},
 578         {1, 1280,  768, 60},
 579         {1, 1280, 1024,  60}, {2, 1280, 1024,  75}, {3, 1280, 1024,  85},
 580         {1, 1280,  960, 70},
 581         {1, 1400, 1050, 60},
 582         {1, 1600, 1200, 60}, {2, 1600, 1200,  65}, {3, 1600, 1200,  70}, {4, 1600, 1200,  75},
 583         {5, 1600, 1200, 85}, {6, 1600, 1200, 100}, {7, 1600, 1200, 120},
 584         {1, 1920, 1440, 60}, {2, 1920, 1440,  65}, {3, 1920, 1440,  70}, {4, 1920, 1440,  75},
 585         {5, 1920, 1440, 85}, {6, 1920, 1440, 100},
 586         {1, 2048, 1536, 60}, {2, 2048, 1536,  65}, {3, 2048, 1536,  70}, {4, 2048, 1536,  75},
 587         {5, 2048, 1536, 85},
 588         {0, 0, 0, 0}
 589 };
 590
 591 static const struct _chswtable {
 592     int subsysVendor;
 593     int subsysCard;
 594     char *vendorName;
 595     char *cardName;
 596 } mychswtable[] = {
 597         { 0x1631, 0x1002, "Mitachi", "0x1002" },
 598         { 0,      0,      ""       , ""       }
 599 };
 600
 601 typedef struct _XGI_OH {
 602         struct _XGI_OH *poh_next;
 603         struct _XGI_OH *poh_prev;
 604         unsigned long offset;
 605         unsigned long size;
 606 } XGI_OH;
 607
 608 typedef struct _XGI_OHALLOC {
 609         struct _XGI_OHALLOC *poha_next;
 610         XGI_OH aoh[1];
 611 } XGI_OHALLOC;
 612
 613 typedef struct _XGI_HEAP {
 614         XGI_OH oh_free;
 615         XGI_OH oh_used;
 616         XGI_OH *poh_freelist;
 617         XGI_OHALLOC *poha_chain;
 618         unsigned long max_freesize;
 619 } XGI_HEAP;
 620
 621 static unsigned long XGIfb_hwcursor_vbase;
 622
 623 static unsigned long XGIfb_heap_start;
 624 static unsigned long XGIfb_heap_end;
 625 static unsigned long XGIfb_heap_size;
 626 static XGI_HEAP      XGIfb_heap;
 627
 628 // Eden Chen
 629 static const struct _XGI_TV_filter {
 630         u8 filter[9][4];
 631 } XGI_TV_filter[] = {
 632         { {{0x00,0x00,0x00,0x40},  /* NTSCFilter_0 */
 633            {0x00,0xE0,0x10,0x60},
 634            {0x00,0xEE,0x10,0x44},
 635            {0x00,0xF4,0x10,0x38},
 636            {0xF8,0xF4,0x18,0x38},
 637            {0xFC,0xFB,0x14,0x2A},
 638            {0x00,0x00,0x10,0x20},
 639            {0x00,0x04,0x10,0x18},
 640            {0xFF,0xFF,0xFF,0xFF} }},
 641         { {{0x00,0x00,0x00,0x40},  /* NTSCFilter_1 */
 642            {0x00,0xE0,0x10,0x60},
 643            {0x00,0xEE,0x10,0x44},
 644            {0x00,0xF4,0x10,0x38},
 645            {0xF8,0xF4,0x18,0x38},
 646            {0xFC,0xFB,0x14,0x2A},
 647            {0x00,0x00,0x10,0x20},
 648            {0x00,0x04,0x10,0x18},
 649            {0xFF,0xFF,0xFF,0xFF} }},
 650         { {{0x00,0x00,0x00,0x40},  /* NTSCFilter_2 */
 651            {0xF5,0xEE,0x1B,0x44},
 652            {0xF8,0xF4,0x18,0x38},
 653            {0xEB,0x04,0x25,0x18},
 654            {0xF1,0x05,0x1F,0x16},
 655            {0xF6,0x06,0x1A,0x14},
 656            {0xFA,0x06,0x16,0x14},
 657            {0x00,0x04,0x10,0x18},
 658            {0xFF,0xFF,0xFF,0xFF} }},
 659         { {{0x00,0x00,0x00,0x40},  /* NTSCFilter_3 */
 660            {0xF1,0x04,0x1F,0x18},
 661            {0xEE,0x0D,0x22,0x06},
 662            {0xF7,0x06,0x19,0x14},
 663            {0xF4,0x0B,0x1C,0x0A},
 664            {0xFA,0x07,0x16,0x12},
 665            {0xF9,0x0A,0x17,0x0C},
 666            {0x00,0x07,0x10,0x12},
 667            {0xFF,0xFF,0xFF,0xFF} }},
 668         { {{0x00,0x00,0x00,0x40},  /* NTSCFilter_4 */
 669            {0x00,0xE0,0x10,0x60},
 670            {0x00,0xEE,0x10,0x44},
 671            {0x00,0xF4,0x10,0x38},
 672            {0xF8,0xF4,0x18,0x38},
 673            {0xFC,0xFB,0x14,0x2A},
 674            {0x00,0x00,0x10,0x20},
 675            {0x00,0x04,0x10,0x18},
 676            {0xFF,0xFF,0xFF,0xFF} }},
 677         { {{0x00,0x00,0x00,0x40},  /* NTSCFilter_5 */
 678            {0xF5,0xEE,0x1B,0x44},
 679            {0xF8,0xF4,0x18,0x38},
 680            {0xEB,0x04,0x25,0x18},
 681            {0xF1,0x05,0x1F,0x16},
 682            {0xF6,0x06,0x1A,0x14},
 683            {0xFA,0x06,0x16,0x14},
 684            {0x00,0x04,0x10,0x18},
 685            {0xFF,0xFF,0xFF,0xFF} }},
 686         { {{0x00,0x00,0x00,0x40},  /* NTSCFilter_6 */
 687            {0xEB,0x04,0x25,0x18},
 688            {0xE7,0x0E,0x29,0x04},
 689            {0xEE,0x0C,0x22,0x08},
 690            {0xF6,0x0B,0x1A,0x0A},
 691            {0xF9,0x0A,0x17,0x0C},
 692            {0xFC,0x0A,0x14,0x0C},
 693            {0x00,0x08,0x10,0x10},
 694            {0xFF,0xFF,0xFF,0xFF} }},
 695         { {{0x00,0x00,0x00,0x40},  /* NTSCFilter_7 */
 696            {0xEC,0x02,0x24,0x1C},
 697            {0xF2,0x04,0x1E,0x18},
 698            {0xEB,0x15,0x25,0xF6},
 699            {0xF4,0x10,0x1C,0x00},
 700            {0xF8,0x0F,0x18,0x02},
 701            {0x00,0x04,0x10,0x18},
 702            {0x01,0x06,0x0F,0x14},
 703            {0xFF,0xFF,0xFF,0xFF} }},
 704         { {{0x00,0x00,0x00,0x40},  /* PALFilter_0 */
 705            {0x00,0xE0,0x10,0x60},
 706            {0x00,0xEE,0x10,0x44},
 707            {0x00,0xF4,0x10,0x38},
 708            {0xF8,0xF4,0x18,0x38},
 709            {0xFC,0xFB,0x14,0x2A},
 710            {0x00,0x00,0x10,0x20},
 711            {0x00,0x04,0x10,0x18},
 712            {0xFF,0xFF,0xFF,0xFF} }},
 713         { {{0x00,0x00,0x00,0x40},  /* PALFilter_1 */
 714            {0x00,0xE0,0x10,0x60},
 715            {0x00,0xEE,0x10,0x44},
 716            {0x00,0xF4,0x10,0x38},
 717            {0xF8,0xF4,0x18,0x38},
 718            {0xFC,0xFB,0x14,0x2A},
 719            {0x00,0x00,0x10,0x20},
 720            {0x00,0x04,0x10,0x18},
 721            {0xFF,0xFF,0xFF,0xFF} }},
 722         { {{0x00,0x00,0x00,0x40},  /* PALFilter_2 */
 723            {0xF5,0xEE,0x1B,0x44},
 724            {0xF8,0xF4,0x18,0x38},
 725            {0xF1,0xF7,0x01,0x32},
 726            {0xF5,0xFB,0x1B,0x2A},
 727            {0xF9,0xFF,0x17,0x22},
 728            {0xFB,0x01,0x15,0x1E},
 729            {0x00,0x04,0x10,0x18},
 730            {0xFF,0xFF,0xFF,0xFF} }},
 731         { {{0x00,0x00,0x00,0x40},  /* PALFilter_3 */
 732            {0xF5,0xFB,0x1B,0x2A},
 733            {0xEE,0xFE,0x22,0x24},
 734            {0xF3,0x00,0x1D,0x20},
 735            {0xF9,0x03,0x17,0x1A},
 736            {0xFB,0x02,0x14,0x1E},
 737            {0xFB,0x04,0x15,0x18},
 738            {0x00,0x06,0x10,0x14},
 739            {0xFF,0xFF,0xFF,0xFF} }},
 740         { {{0x00,0x00,0x00,0x40},  /* PALFilter_4 */
 741            {0x00,0xE0,0x10,0x60},
 742            {0x00,0xEE,0x10,0x44},
 743            {0x00,0xF4,0x10,0x38},
 744            {0xF8,0xF4,0x18,0x38},
 745            {0xFC,0xFB,0x14,0x2A},
 746            {0x00,0x00,0x10,0x20},
 747            {0x00,0x04,0x10,0x18},
 748            {0xFF,0xFF,0xFF,0xFF} }},
 749         { {{0x00,0x00,0x00,0x40},  /* PALFilter_5 */
 750            {0xF5,0xEE,0x1B,0x44},
 751            {0xF8,0xF4,0x18,0x38},
 752            {0xF1,0xF7,0x1F,0x32},
 753            {0xF5,0xFB,0x1B,0x2A},
 754            {0xF9,0xFF,0x17,0x22},
 755            {0xFB,0x01,0x15,0x1E},
 756            {0x00,0x04,0x10,0x18},
 757            {0xFF,0xFF,0xFF,0xFF} }},
 758         { {{0x00,0x00,0x00,0x40},  /* PALFilter_6 */
 759            {0xF5,0xEE,0x1B,0x2A},
 760            {0xEE,0xFE,0x22,0x24},
 761            {0xF3,0x00,0x1D,0x20},
 762            {0xF9,0x03,0x17,0x1A},
 763            {0xFB,0x02,0x14,0x1E},
 764            {0xFB,0x04,0x15,0x18},
 765            {0x00,0x06,0x10,0x14},
 766            {0xFF,0xFF,0xFF,0xFF} }},
 767         { {{0x00,0x00,0x00,0x40},  /* PALFilter_7 */
 768            {0xF5,0xEE,0x1B,0x44},
 769            {0xF8,0xF4,0x18,0x38},
 770            {0xFC,0xFB,0x14,0x2A},
 771            {0xEB,0x05,0x25,0x16},
 772            {0xF1,0x05,0x1F,0x16},
 773            {0xFA,0x07,0x16,0x12},
 774            {0x00,0x07,0x10,0x12},
 775            {0xFF,0xFF,0xFF,0xFF} }}
 776 };
 777
 778 static int           filter = -1;
 779 static unsigned char filter_tb;
 780
 781
 782 /* ---------------------- Routine prototypes ------------------------- */
 783
 784 /* Interface used by the world */
 785 #ifndef MODULE
 786 XGIINITSTATIC int __init XGIfb_setup(char *options);
 787 #endif
 788
 789 /* Interface to the low level console driver */
 790
 791
 792
 793 /* fbdev routines */
 794 XGIINITSTATIC int __init xgifb_init(void);
 795 static int      XGIfb_set_par(struct fb_info *info);
 796 static int      XGIfb_blank(int blank,
 797                             struct fb_info *info);
 798 /*static int    XGIfb_mmap(struct fb_info *info, struct file *file,
 799                            struct vm_area_struct *vma);
 800 */
 801 extern void     fbcon_XGI_fillrect(struct fb_info *info,
 802                                    const struct fb_fillrect *rect);
 803 extern void     fbcon_XGI_copyarea(struct fb_info *info,
 804                                    const struct fb_copyarea *area);
 805 extern int      fbcon_XGI_sync(struct fb_info *info);
 806
 807 static int XGIfb_ioctl(struct fb_info *info, unsigned int cmd,
 808                             unsigned long arg);
 809
 810 /*
 811 extern int      XGIfb_mode_rate_to_dclock(VB_DEVICE_INFO *XGI_Pr,
 812                               struct xgi_hw_device_info *HwDeviceExtension,
 813                               unsigned char modeno, unsigned char rateindex);
 814 extern int      XGIfb_mode_rate_to_ddata(VB_DEVICE_INFO *XGI_Pr, struct xgi_hw_device_info *HwDeviceExtension,
 815                          unsigned char modeno, unsigned char rateindex,
 816                          unsigned int *left_margin, unsigned int *right_margin,
 817                          unsigned int *upper_margin, unsigned int *lower_margin,
 818                          unsigned int *hsync_len, unsigned int *vsync_len,
 819                          unsigned int *sync, unsigned int *vmode);
 820 */
 821 extern unsigned char XGI_SearchModeID(unsigned short ModeNo,
 822                                 unsigned short *ModeIdIndex,
 823                                 struct vb_device_info *);
 824 static int      XGIfb_get_fix(struct fb_fix_screeninfo *fix, int con,
 825                               struct fb_info *info);
 826
 827 /* Internal 2D accelerator functions */
 828 extern int      XGIfb_initaccel(void);
 829 extern void     XGIfb_syncaccel(void);
 830
 831 /* Internal general routines */
 832 static void     XGIfb_search_mode(const char *name);
 833 static int      XGIfb_validate_mode(int modeindex);
 834 static u8       XGIfb_search_refresh_rate(unsigned int rate);
 835 static int      XGIfb_setcolreg(unsigned regno, unsigned red, unsigned green,
 836                         unsigned blue, unsigned transp,
 837                         struct fb_info *fb_info);
 838 static int      XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive,
 839                         struct fb_info *info);
 840 static void     XGIfb_pre_setmode(void);
 841 static void     XGIfb_post_setmode(void);
 842
 843 static unsigned char  XGIfb_CheckVBRetrace(void);
 844 static unsigned char  XGIfbcheckvretracecrt2(void);
 845 static unsigned char  XGIfbcheckvretracecrt1(void);
 846 static unsigned char  XGIfb_bridgeisslave(void);
 847
 848 struct XGI_memreq {
 849         unsigned long offset;
 850         unsigned long size;
 851 };
 852
 853 /* XGI-specific Export functions */
 854 void            XGI_dispinfo(struct ap_data *rec);
 855 void            XGI_malloc(struct XGI_memreq *req);
 856 void            XGI_free(unsigned long base);
 857
 858 /* Internal hardware access routines */
 859 void            XGIfb_set_reg4(u16 port, unsigned long data);
 860 u32             XGIfb_get_reg3(u16 port);
 861
 862 /* Chipset-dependent internal routines */
 863
 864
 865 static int      XGIfb_get_dram_size(void);
 866 static void     XGIfb_detect_VB(void);
 867 static void     XGIfb_get_VB_type(void);
 868 static int      XGIfb_has_VB(void);
 869
 870
 871 /* Internal heap routines */
 872 static int      XGIfb_heap_init(void);
 873 static XGI_OH   *XGIfb_poh_new_node(void);
 874 static XGI_OH   *XGIfb_poh_allocate(unsigned long size);
 875 static void     XGIfb_delete_node(XGI_OH *poh);
 876 static void     XGIfb_insert_node(XGI_OH *pohList, XGI_OH *poh);
 877 static XGI_OH   *XGIfb_poh_free(unsigned long base);
 878 static void     XGIfb_free_node(XGI_OH *poh);
 879
 880 /* Internal routines to access PCI configuration space */
 881 unsigned char XGIfb_query_VGA_config_space(struct xgi_hw_device_info *pXGIhw_ext,
 882                                            unsigned long offset,
 883                                            unsigned long set,
 884                                            unsigned long *value);
 885 //BOOLEAN         XGIfb_query_north_bridge_space(PXGI_HW_DEVICE_INFO pXGIhw_ext,
 886 //                      unsigned long offset, unsigned long set, unsigned long *value);
 887
 888
 889 /* Routines from init.c/init301.c */
 890 extern void     InitTo330Pointer(unsigned char, struct vb_device_info *pVBInfo);
 891 extern unsigned char  XGIInitNew(struct xgi_hw_device_info *HwDeviceExtension);
 892 extern unsigned char XGISetModeNew(struct xgi_hw_device_info *HwDeviceExtension,
 893                                    unsigned short ModeNo);
 894 //extern void     XGI_SetEnableDstn(VB_DEVICE_INFO *XGI_Pr);
 895 extern void     XGI_LongWait(struct vb_device_info *XGI_Pr);
 896 extern unsigned short XGI_GetRatePtrCRT2(struct xgi_hw_device_info *pXGIHWDE,
 897                                          unsigned short ModeNo,
 898                                          unsigned short ModeIdIndex,
 899                                          struct vb_device_info *pVBInfo);
 900 /* TW: Chrontel TV functions */
 901 extern unsigned short XGI_GetCH700x(struct vb_device_info *XGI_Pr,
 902                                     unsigned short tempbx);
 903 extern void XGI_SetCH700x(struct vb_device_info *XGI_Pr, unsigned short tempbx);
 904 extern unsigned short XGI_GetCH701x(struct vb_device_info *XGI_Pr,
 905                                     unsigned short tempbx);
 906 extern void XGI_SetCH701x(struct vb_device_info *XGI_Pr, unsigned short tempbx);
 907 extern void XGI_SetCH70xxANDOR(struct vb_device_info *XGI_Pr,
 908                                unsigned short tempax,
 909                                unsigned short tempbh);
 910 extern void XGI_DDC2Delay(struct vb_device_info *XGI_Pr, unsigned short delaytime);
 911
 912 /* TW: Sensing routines */
 913 void            XGI_Sense30x(void);
 914 int             XGIDoSense(int tempbl, int tempbh, int tempcl, int tempch);
 915
 916 extern struct XGI21_LVDSCapStruct XGI21_LCDCapList[13];
 917 #endif