drivers/staging/xgifb/XGI_main_26.c

   1 /*
   2  * XG20, XG21, XG40, XG42 frame buffer device
   3  * for Linux kernels  2.5.x, 2.6.x
   4  * Base on TW's sis fbdev code.
   5  */
   6
   7 /* #include <linux/config.h> */
   8 #include <linux/module.h>
   9 #include <linux/moduleparam.h>
  10 #include <linux/kernel.h>
  11 #include <linux/spinlock.h>
  12 #include <linux/errno.h>
  13 #include <linux/string.h>
  14 #include <linux/mm.h>
  15 #include <linux/tty.h>
  16 #include <linux/slab.h>
  17 #include <linux/delay.h>
  18 #include <linux/fb.h>
  19 #include <linux/console.h>
  20 #include <linux/selection.h>
  21 #include <linux/ioport.h>
  22 #include <linux/init.h>
  23 #include <linux/pci.h>
  24 #include <linux/vmalloc.h>
  25 #include <linux/vt_kern.h>
  26 #include <linux/capability.h>
  27 #include <linux/fs.h>
  28 #include <linux/types.h>
  29 #include <linux/proc_fs.h>
  30
  31 #include <linux/io.h>
  32 #ifdef CONFIG_MTRR
  33 #include <asm/mtrr.h>
  34 #endif
  35
  36 #include "XGIfb.h"
  37 #include "vgatypes.h"
  38 #include "XGI_main.h"
  39 #include "vb_init.h"
  40 #include "vb_util.h"
  41 #include "vb_setmode.h"
  42
  43 #define Index_CR_GPIO_Reg1 0x48
  44 #define Index_CR_GPIO_Reg3 0x4a
  45
  46 #define GPIOG_EN    (1<<6)
  47 #define GPIOG_READ  (1<<1)
  48
  49 #define XGIFB_ROM_SIZE  65536
  50
  51 static char *mode;
  52 static int vesa = -1;
  53 static unsigned int refresh_rate;
  54
  55 /* -------------------- Macro definitions ---------------------------- */
  56
  57 #undef XGIFBDEBUG
  58
  59 #ifdef XGIFBDEBUG
  60 #define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt, __FUNCTION__ , ## args)
  61 #else
  62 #define DPRINTK(fmt, args...)
  63 #endif
  64
  65 #ifdef XGIFBDEBUG
  66 static void dumpVGAReg(void)
  67 {
  68         u8 i, reg;
  69
  70         xgifb_reg_set(XGISR, 0x05, 0x86);
  71         /*
  72         xgifb_reg_set(XGISR, 0x08, 0x4f);
  73         xgifb_reg_set(XGISR, 0x0f, 0x20);
  74         xgifb_reg_set(XGISR, 0x11, 0x4f);
  75         xgifb_reg_set(XGISR, 0x13, 0x45);
  76         xgifb_reg_set(XGISR, 0x14, 0x51);
  77         xgifb_reg_set(XGISR, 0x1e, 0x41);
  78         xgifb_reg_set(XGISR, 0x1f, 0x0);
  79         xgifb_reg_set(XGISR, 0x20, 0xa1);
  80         xgifb_reg_set(XGISR, 0x22, 0xfb);
  81         xgifb_reg_set(XGISR, 0x26, 0x22);
  82         xgifb_reg_set(XGISR, 0x3e, 0x07);
  83         */
  84
  85         /* xgifb_reg_set(XGICR, 0x19, 0x00); */
  86         /* xgifb_reg_set(XGICR, 0x1a, 0x3C); */
  87         /* xgifb_reg_set(XGICR, 0x22, 0xff); */
  88         /* xgifb_reg_set(XGICR, 0x3D, 0x10); */
  89
  90         /* xgifb_reg_set(XGICR, 0x4a, 0xf3); */
  91
  92         /* xgifb_reg_set(XGICR, 0x57, 0x0); */
  93         /* xgifb_reg_set(XGICR, 0x7a, 0x2c); */
  94
  95         /* xgifb_reg_set(XGICR, 0x82, 0xcc); */
  96         /* xgifb_reg_set(XGICR, 0x8c, 0x0); */
  97         /*
  98         xgifb_reg_set(XGICR, 0x99, 0x1);
  99         xgifb_reg_set(XGICR, 0x41, 0x40);
 100         */
 101
 102         for (i = 0; i < 0x4f; i++) {
 103                 reg = xgifb_reg_get(XGISR, i);
 104                 printk("\no 3c4 %x", i);
 105                 printk("\ni 3c5 => %x", reg);
 106         }
 107
 108         for (i = 0; i < 0xF0; i++) {
 109                 reg = xgifb_reg_get(XGICR, i);
 110                 printk("\no 3d4 %x", i);
 111                 printk("\ni 3d5 => %x", reg);
 112         }
 113         /*
 114         xgifb_reg_set(XGIPART1,0x2F,1);
 115         for (i=1; i < 0x50; i++) {
 116                 reg = xgifb_reg_get(XGIPART1, i);
 117                 printk("\no d004 %x", i);
 118                 printk("\ni d005 => %x", reg);
 119         }
 120
 121         for (i=0; i < 0x50; i++) {
 122                  reg = xgifb_reg_get(XGIPART2, i);
 123                  printk("\no d010 %x", i);
 124                  printk("\ni d011 => %x", reg);
 125         }
 126         for (i=0; i < 0x50; i++) {
 127                 reg = xgifb_reg_get(XGIPART3, i);
 128                 printk("\no d012 %x",i);
 129                 printk("\ni d013 => %x",reg);
 130         }
 131         for (i=0; i < 0x50; i++) {
 132                 reg = xgifb_reg_get(XGIPART4, i);
 133                 printk("\no d014 %x",i);
 134                 printk("\ni d015 => %x",reg);
 135         }
 136         */
 137 }
 138 #else
 139 static inline void dumpVGAReg(void)
 140 {
 141 }
 142 #endif
 143
 144 #if 1
 145 #define DEBUGPRN(x)
 146 #else
 147 #define DEBUGPRN(x) printk(KERN_INFO x "\n");
 148 #endif
 149
 150 /* --------------- Hardware Access Routines -------------------------- */
 151
 152 static int XGIfb_mode_rate_to_dclock(struct vb_device_info *XGI_Pr,
 153                 struct xgi_hw_device_info *HwDeviceExtension,
 154                 unsigned char modeno, unsigned char rateindex)
 155 {
 156         unsigned short ModeNo = modeno;
 157         unsigned short ModeIdIndex = 0, ClockIndex = 0;
 158         unsigned short RefreshRateTableIndex = 0;
 159
 160         /* unsigned long  temp = 0; */
 161         int Clock;
 162         XGI_Pr->ROMAddr = HwDeviceExtension->pjVirtualRomBase;
 163         InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
 164
 165         RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
 166                         ModeIdIndex, XGI_Pr);
 167
 168         /*
 169         temp = XGI_SearchModeID(ModeNo , &ModeIdIndex,  XGI_Pr) ;
 170         if (!temp) {
 171                 printk(KERN_ERR "Could not find mode %x\n", ModeNo);
 172                 return 65000;
 173         }
 174
 175         RefreshRateTableIndex = XGI_Pr->EModeIDTable[ModeIdIndex].REFindex;
 176         RefreshRateTableIndex += (rateindex - 1);
 177
 178         */
 179         ClockIndex = XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_CRTVCLK;
 180
 181         Clock = XGI_Pr->VCLKData[ClockIndex].CLOCK * 1000;
 182
 183         return Clock;
 184 }
 185
 186 static int XGIfb_mode_rate_to_ddata(struct vb_device_info *XGI_Pr,
 187                 struct xgi_hw_device_info *HwDeviceExtension,
 188                 unsigned char modeno, unsigned char rateindex,
 189                 u32 *left_margin, u32 *right_margin, u32 *upper_margin,
 190                 u32 *lower_margin, u32 *hsync_len, u32 *vsync_len, u32 *sync,
 191                 u32 *vmode)
 192 {
 193         unsigned short ModeNo = modeno;
 194         unsigned short ModeIdIndex = 0, index = 0;
 195         unsigned short RefreshRateTableIndex = 0;
 196
 197         unsigned short VRE, VBE, VRS, VBS, VDE, VT;
 198         unsigned short HRE, HBE, HRS, HBS, HDE, HT;
 199         unsigned char sr_data, cr_data, cr_data2;
 200         unsigned long cr_data3;
 201         int A, B, C, D, E, F, temp, j;
 202         XGI_Pr->ROMAddr = HwDeviceExtension->pjVirtualRomBase;
 203         InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
 204         RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
 205                         ModeIdIndex, XGI_Pr);
 206         /*
 207         temp = XGI_SearchModeID(ModeNo, &ModeIdIndex, XGI_Pr);
 208         if (!temp)
 209                 return 0;
 210
 211         RefreshRateTableIndex = XGI_Pr->EModeIDTable[ModeIdIndex].REFindex;
 212         RefreshRateTableIndex += (rateindex - 1);
 213         */
 214         index = XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_CRT1CRTC;
 215
 216         sr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[5];
 217
 218         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[0];
 219
 220         /* Horizontal total */
 221         HT = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x03) << 8);
 222         A = HT + 5;
 223
 224         /*
 225         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[1];
 226
 227         Horizontal display enable end
 228         HDE = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x0C) << 6);
 229         */
 230         HDE = (XGI_Pr->RefIndex[RefreshRateTableIndex].XRes >> 3) - 1;
 231         E = HDE + 1;
 232
 233         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[3];
 234
 235         /* Horizontal retrace (=sync) start */
 236         HRS = (cr_data & 0xff) | ((unsigned short) (sr_data & 0xC0) << 2);
 237         F = HRS - E - 3;
 238
 239         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[1];
 240
 241         /* Horizontal blank start */
 242         HBS = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x30) << 4);
 243
 244         sr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[6];
 245
 246         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[2];
 247
 248         cr_data2 = XGI_Pr->XGINEWUB_CRT1Table[index].CR[4];
 249
 250         /* Horizontal blank end */
 251         HBE = (cr_data & 0x1f) | ((unsigned short) (cr_data2 & 0x80) >> 2)
 252                         | ((unsigned short) (sr_data & 0x03) << 6);
 253
 254         /* Horizontal retrace (=sync) end */
 255         HRE = (cr_data2 & 0x1f) | ((sr_data & 0x04) << 3);
 256
 257         temp = HBE - ((E - 1) & 255);
 258         B = (temp > 0) ? temp : (temp + 256);
 259
 260         temp = HRE - ((E + F + 3) & 63);
 261         C = (temp > 0) ? temp : (temp + 64);
 262
 263         D = B - F - C;
 264
 265         *left_margin = D * 8;
 266         *right_margin = F * 8;
 267         *hsync_len = C * 8;
 268
 269         sr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[14];
 270
 271         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[8];
 272
 273         cr_data2 = XGI_Pr->XGINEWUB_CRT1Table[index].CR[9];
 274
 275         /* Vertical total */
 276         VT = (cr_data & 0xFF) | ((unsigned short) (cr_data2 & 0x01) << 8)
 277                         | ((unsigned short) (cr_data2 & 0x20) << 4)
 278                         | ((unsigned short) (sr_data & 0x01) << 10);
 279         A = VT + 2;
 280
 281         /* cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[10]; */
 282
 283         /* Vertical display enable end */
 284         /*
 285         VDE = (cr_data & 0xff) |
 286                 ((unsigned short) (cr_data2 & 0x02) << 7) |
 287                 ((unsigned short) (cr_data2 & 0x40) << 3) |
 288                 ((unsigned short) (sr_data & 0x02) << 9);
 289         */
 290         VDE = XGI_Pr->RefIndex[RefreshRateTableIndex].YRes - 1;
 291         E = VDE + 1;
 292
 293         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[10];
 294
 295         /* Vertical retrace (=sync) start */
 296         VRS = (cr_data & 0xff) | ((unsigned short) (cr_data2 & 0x04) << 6)
 297                         | ((unsigned short) (cr_data2 & 0x80) << 2)
 298                         | ((unsigned short) (sr_data & 0x08) << 7);
 299         F = VRS + 1 - E;
 300
 301         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[12];
 302
 303         cr_data3 = (XGI_Pr->XGINEWUB_CRT1Table[index].CR[14] & 0x80) << 5;
 304
 305         /* Vertical blank start */
 306         VBS = (cr_data & 0xff) | ((unsigned short) (cr_data2 & 0x08) << 5)
 307                         | ((unsigned short) (cr_data3 & 0x20) << 4)
 308                         | ((unsigned short) (sr_data & 0x04) << 8);
 309
 310         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[13];
 311
 312         /* Vertical blank end */
 313         VBE = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x10) << 4);
 314         temp = VBE - ((E - 1) & 511);
 315         B = (temp > 0) ? temp : (temp + 512);
 316
 317         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[11];
 318
 319         /* Vertical retrace (=sync) end */
 320         VRE = (cr_data & 0x0f) | ((sr_data & 0x20) >> 1);
 321         temp = VRE - ((E + F - 1) & 31);
 322         C = (temp > 0) ? temp : (temp + 32);
 323
 324         D = B - F - C;
 325
 326         *upper_margin = D;
 327         *lower_margin = F;
 328         *vsync_len = C;
 329
 330         if (XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x8000)
 331                 *sync &= ~FB_SYNC_VERT_HIGH_ACT;
 332         else
 333                 *sync |= FB_SYNC_VERT_HIGH_ACT;
 334
 335         if (XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x4000)
 336                 *sync &= ~FB_SYNC_HOR_HIGH_ACT;
 337         else
 338                 *sync |= FB_SYNC_HOR_HIGH_ACT;
 339
 340         *vmode = FB_VMODE_NONINTERLACED;
 341         if (XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x0080)
 342                 *vmode = FB_VMODE_INTERLACED;
 343         else {
 344                 j = 0;
 345                 while (XGI_Pr->EModeIDTable[j].Ext_ModeID != 0xff) {
 346                         if (XGI_Pr->EModeIDTable[j].Ext_ModeID ==
 347                             XGI_Pr->RefIndex[RefreshRateTableIndex].ModeID) {
 348                                 if (XGI_Pr->EModeIDTable[j].Ext_ModeFlag &
 349                                     DoubleScanMode) {
 350                                         *vmode = FB_VMODE_DOUBLE;
 351                                 }
 352                                 break;
 353                         }
 354                         j++;
 355                 }
 356         }
 357
 358         return 1;
 359 }
 360
 361 static void XGIRegInit(struct vb_device_info *XGI_Pr, unsigned long BaseAddr)
 362 {
 363         XGI_Pr->RelIO = BaseAddr;
 364         XGI_Pr->P3c4 = BaseAddr + 0x14;
 365         XGI_Pr->P3d4 = BaseAddr + 0x24;
 366         XGI_Pr->P3c0 = BaseAddr + 0x10;
 367         XGI_Pr->P3ce = BaseAddr + 0x1e;
 368         XGI_Pr->P3c2 = BaseAddr + 0x12;
 369         XGI_Pr->P3ca = BaseAddr + 0x1a;
 370         XGI_Pr->P3c6 = BaseAddr + 0x16;
 371         XGI_Pr->P3c7 = BaseAddr + 0x17;
 372         XGI_Pr->P3c8 = BaseAddr + 0x18;
 373         XGI_Pr->P3c9 = BaseAddr + 0x19;
 374         XGI_Pr->P3da = BaseAddr + 0x2A;
 375         /* Digital video interface registers (LCD) */
 376         XGI_Pr->Part1Port = BaseAddr + XGI_CRT2_PORT_04;
 377         /* 301 TV Encoder registers */
 378         XGI_Pr->Part2Port = BaseAddr + XGI_CRT2_PORT_10;
 379         /* 301 Macrovision registers */
 380         XGI_Pr->Part3Port = BaseAddr + XGI_CRT2_PORT_12;
 381         /* 301 VGA2 (and LCD) registers */
 382         XGI_Pr->Part4Port = BaseAddr + XGI_CRT2_PORT_14;
 383         /* 301 palette address port registers */
 384         XGI_Pr->Part5Port = BaseAddr + XGI_CRT2_PORT_14 + 2;
 385
 386 }
 387
 388 /* ------------------ Internal helper routines ----------------- */
 389
 390 static int XGIfb_GetXG21DefaultLVDSModeIdx(void)
 391 {
 392
 393         int found_mode = 0;
 394         int XGIfb_mode_idx = 0;
 395
 396         found_mode = 0;
 397         while ((XGIbios_mode[XGIfb_mode_idx].mode_no != 0)
 398                         && (XGIbios_mode[XGIfb_mode_idx].xres
 399                                         <= XGI21_LCDCapList[0].LVDSHDE)) {
 400                 if ((XGIbios_mode[XGIfb_mode_idx].xres
 401                                 == XGI21_LCDCapList[0].LVDSHDE)
 402                                 && (XGIbios_mode[XGIfb_mode_idx].yres
 403                                                 == XGI21_LCDCapList[0].LVDSVDE)
 404                                 && (XGIbios_mode[XGIfb_mode_idx].bpp == 8)) {
 405                         found_mode = 1;
 406                         break;
 407                 }
 408                 XGIfb_mode_idx++;
 409         }
 410         if (!found_mode)
 411                 XGIfb_mode_idx = -1;
 412
 413         return XGIfb_mode_idx;
 414 }
 415
 416 static void XGIfb_search_mode(struct xgifb_video_info *xgifb_info,
 417                               const char *name)
 418 {
 419         int i = 0, j = 0, l;
 420
 421         while (XGIbios_mode[i].mode_no != 0) {
 422                 l = min(strlen(name), strlen(XGIbios_mode[i].name));
 423                 if (!strncmp(name, XGIbios_mode[i].name, l)) {
 424                         xgifb_info->mode_idx = i;
 425                         j = 1;
 426                         break;
 427                 }
 428                 i++;
 429         }
 430         if (!j)
 431                 printk(KERN_INFO "XGIfb: Invalid mode '%s'\n", name);
 432 }
 433
 434 static void XGIfb_search_vesamode(struct xgifb_video_info *xgifb_info,
 435                                   unsigned int vesamode)
 436 {
 437         int i = 0, j = 0;
 438
 439         if (vesamode == 0)
 440                 goto invalid;
 441
 442         vesamode &= 0x1dff; /* Clean VESA mode number from other flags */
 443
 444         while (XGIbios_mode[i].mode_no != 0) {
 445                 if ((XGIbios_mode[i].vesa_mode_no_1 == vesamode) ||
 446                     (XGIbios_mode[i].vesa_mode_no_2 == vesamode)) {
 447                         xgifb_info->mode_idx = i;
 448                         j = 1;
 449                         break;
 450                 }
 451                 i++;
 452         }
 453
 454 invalid:
 455         if (!j)
 456                 printk(KERN_INFO "XGIfb: Invalid VESA mode 0x%x'\n", vesamode);
 457 }
 458
 459 static int XGIfb_GetXG21LVDSData(struct xgifb_video_info *xgifb_info)
 460 {
 461         u8 tmp;
 462         void __iomem *data = xgifb_info->mmio_vbase + 0x20000;
 463         int i, j, k;
 464
 465         tmp = xgifb_reg_get(XGISR, 0x1e);
 466         xgifb_reg_set(XGISR, 0x1e, tmp | 4);
 467
 468         if ((readb(data) == 0x55) &&
 469             (readb(data + 1) == 0xAA) &&
 470             (readb(data + 0x65) & 0x1)) {
 471                 i = readw(data + 0x316);
 472                 j = readb(data + i - 1);
 473                 if (j == 0xff)
 474                         j = 1;
 475
 476                 k = 0;
 477                 do {
 478                         XGI21_LCDCapList[k].LVDS_Capability = readw(data + i);
 479                         XGI21_LCDCapList[k].LVDSHT = readw(data + i + 2);
 480                         XGI21_LCDCapList[k].LVDSVT = readw(data + i + 4);
 481                         XGI21_LCDCapList[k].LVDSHDE = readw(data + i + 6);
 482                         XGI21_LCDCapList[k].LVDSVDE = readw(data + i + 8);
 483                         XGI21_LCDCapList[k].LVDSHFP = readw(data + i + 10);
 484                         XGI21_LCDCapList[k].LVDSVFP = readw(data + i + 12);
 485                         XGI21_LCDCapList[k].LVDSHSYNC = readw(data + i + 14);
 486                         XGI21_LCDCapList[k].LVDSVSYNC = readw(data + i + 16);
 487                         XGI21_LCDCapList[k].VCLKData1 = readb(data + i + 18);
 488                         XGI21_LCDCapList[k].VCLKData2 = readb(data + i + 19);
 489                         XGI21_LCDCapList[k].PSC_S1 = readb(data + i + 20);
 490                         XGI21_LCDCapList[k].PSC_S2 = readb(data + i + 21);
 491                         XGI21_LCDCapList[k].PSC_S3 = readb(data + i + 22);
 492                         XGI21_LCDCapList[k].PSC_S4 = readb(data + i + 23);
 493                         XGI21_LCDCapList[k].PSC_S5 = readb(data + i + 24);
 494                         i += 25;
 495                         j--;
 496                         k++;
 497                 } while ((j > 0) && (k < (sizeof(XGI21_LCDCapList)
 498                                 / sizeof(struct XGI21_LVDSCapStruct))));
 499                 return 1;
 500         }
 501         return 0;
 502 }
 503
 504 static int XGIfb_validate_mode(struct xgifb_video_info *xgifb_info, int myindex)
 505 {
 506         u16 xres, yres;
 507         struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info;
 508
 509         if (xgifb_info->chip == XG21) {
 510                 if (xgifb_info->display2 == XGIFB_DISP_LCD) {
 511                         xres = XGI21_LCDCapList[0].LVDSHDE;
 512                         yres = XGI21_LCDCapList[0].LVDSVDE;
 513                         if (XGIbios_mode[myindex].xres > xres)
 514                                 return -1;
 515                         if (XGIbios_mode[myindex].yres > yres)
 516                                 return -1;
 517                         if ((XGIbios_mode[myindex].xres < xres) &&
 518                             (XGIbios_mode[myindex].yres < yres)) {
 519                                 if (XGIbios_mode[myindex].bpp > 8)
 520                                         return -1;
 521                         }
 522
 523                 }
 524                 return myindex;
 525
 526         }
 527
 528         /* FIXME: for now, all is valid on XG27 */
 529         if (xgifb_info->chip == XG27)
 530                 return myindex;
 531
 532         if (!(XGIbios_mode[myindex].chipset & MD_XGI315))
 533                 return -1;
 534
 535         switch (xgifb_info->display2) {
 536         case XGIFB_DISP_LCD:
 537                 switch (hw_info->ulCRT2LCDType) {
 538                 case LCD_640x480:
 539                         xres = 640;
 540                         yres = 480;
 541                         break;
 542                 case LCD_800x600:
 543                         xres = 800;
 544                         yres = 600;
 545                         break;
 546                 case LCD_1024x600:
 547                         xres = 1024;
 548                         yres = 600;
 549                         break;
 550                 case LCD_1024x768:
 551                         xres = 1024;
 552                         yres = 768;
 553                         break;
 554                 case LCD_1152x768:
 555                         xres = 1152;
 556                         yres = 768;
 557                         break;
 558                 case LCD_1280x960:
 559                         xres = 1280;
 560                         yres = 960;
 561                         break;
 562                 case LCD_1280x768:
 563                         xres = 1280;
 564                         yres = 768;
 565                         break;
 566                 case LCD_1280x1024:
 567                         xres = 1280;
 568                         yres = 1024;
 569                         break;
 570                 case LCD_1400x1050:
 571                         xres = 1400;
 572                         yres = 1050;
 573                         break;
 574                 case LCD_1600x1200:
 575                         xres = 1600;
 576                         yres = 1200;
 577                         break;
 578                 /* case LCD_320x480: */ /* TW: FSTN */
 579                         /*
 580                         xres =  320;
 581                         yres =  480;
 582                         break;
 583                         */
 584                 default:
 585                         xres = 0;
 586                         yres = 0;
 587                         break;
 588                 }
 589                 if (XGIbios_mode[myindex].xres > xres)
 590                         return -1;
 591                 if (XGIbios_mode[myindex].yres > yres)
 592                         return -1;
 593                 if ((hw_info->ulExternalChip == 0x01) || /* LVDS */
 594                     (hw_info->ulExternalChip == 0x05)) { /* LVDS+Chrontel */
 595                         switch (XGIbios_mode[myindex].xres) {
 596                         case 512:
 597                                 if (XGIbios_mode[myindex].yres != 512)
 598                                         return -1;
 599                                 if (hw_info->ulCRT2LCDType == LCD_1024x600)
 600                                         return -1;
 601                                 break;
 602                         case 640:
 603                                 if ((XGIbios_mode[myindex].yres != 400)
 604                                                 && (XGIbios_mode[myindex].yres
 605                                                                 != 480))
 606                                         return -1;
 607                                 break;
 608                         case 800:
 609                                 if (XGIbios_mode[myindex].yres != 600)
 610                                         return -1;
 611                                 break;
 612                         case 1024:
 613                                 if ((XGIbios_mode[myindex].yres != 600) &&
 614                                     (XGIbios_mode[myindex].yres != 768))
 615                                         return -1;
 616                                 if ((XGIbios_mode[myindex].yres == 600) &&
 617                                     (hw_info->ulCRT2LCDType != LCD_1024x600))
 618                                         return -1;
 619                                 break;
 620                         case 1152:
 621                                 if ((XGIbios_mode[myindex].yres) != 768)
 622                                         return -1;
 623                                 if (hw_info->ulCRT2LCDType != LCD_1152x768)
 624                                         return -1;
 625                                 break;
 626                         case 1280:
 627                                 if ((XGIbios_mode[myindex].yres != 768) &&
 628                                     (XGIbios_mode[myindex].yres != 1024))
 629                                         return -1;
 630                                 if ((XGIbios_mode[myindex].yres == 768) &&
 631                                     (hw_info->ulCRT2LCDType != LCD_1280x768))
 632                                         return -1;
 633                                 break;
 634                         case 1400:
 635                                 if (XGIbios_mode[myindex].yres != 1050)
 636                                         return -1;
 637                                 break;
 638                         case 1600:
 639                                 if (XGIbios_mode[myindex].yres != 1200)
 640                                         return -1;
 641                                 break;
 642                         default:
 643                                 return -1;
 644                         }
 645                 } else {
 646                         switch (XGIbios_mode[myindex].xres) {
 647                         case 512:
 648                                 if (XGIbios_mode[myindex].yres != 512)
 649                                         return -1;
 650                                 break;
 651                         case 640:
 652                                 if ((XGIbios_mode[myindex].yres != 400) &&
 653                                     (XGIbios_mode[myindex].yres != 480))
 654                                         return -1;
 655                                 break;
 656                         case 800:
 657                                 if (XGIbios_mode[myindex].yres != 600)
 658                                         return -1;
 659                                 break;
 660                         case 1024:
 661                                 if (XGIbios_mode[myindex].yres != 768)
 662                                         return -1;
 663                                 break;
 664                         case 1280:
 665                                 if ((XGIbios_mode[myindex].yres != 960) &&
 666                                     (XGIbios_mode[myindex].yres != 1024))
 667                                         return -1;
 668                                 if (XGIbios_mode[myindex].yres == 960) {
 669                                         if (hw_info->ulCRT2LCDType ==
 670                                             LCD_1400x1050)
 671                                                 return -1;
 672                                 }
 673                                 break;
 674                         case 1400:
 675                                 if (XGIbios_mode[myindex].yres != 1050)
 676                                         return -1;
 677                                 break;
 678                         case 1600:
 679                                 if (XGIbios_mode[myindex].yres != 1200)
 680                                         return -1;
 681                                 break;
 682                         default:
 683                                 return -1;
 684                         }
 685                 }
 686                 break;
 687         case XGIFB_DISP_TV:
 688                 switch (XGIbios_mode[myindex].xres) {
 689                 case 512:
 690                 case 640:
 691                 case 800:
 692                         break;
 693                 case 720:
 694                         if (xgifb_info->TV_type == TVMODE_NTSC) {
 695                                 if (XGIbios_mode[myindex].yres != 480)
 696                                         return -1;
 697                         } else if (xgifb_info->TV_type == TVMODE_PAL) {
 698                                 if (XGIbios_mode[myindex].yres != 576)
 699                                         return -1;
 700                         }
 701                         /*  TW: LVDS/CHRONTEL does not support 720 */
 702                         if (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL ||
 703                             xgifb_info->hasVB == HASVB_CHRONTEL) {
 704                                 return -1;
 705                         }
 706                         break;
 707                 case 1024:
 708                         if (xgifb_info->TV_type == TVMODE_NTSC) {
 709                                 if (XGIbios_mode[myindex].bpp == 32)
 710                                         return -1;
 711                         }
 712                         break;
 713                 default:
 714                         return -1;
 715                 }
 716                 break;
 717         case XGIFB_DISP_CRT:
 718                 if (XGIbios_mode[myindex].xres > 1280)
 719                         return -1;
 720                 break;
 721         case XGIFB_DISP_NONE:
 722                 break;
 723         }
 724         return myindex;
 725
 726 }
 727
 728 static void XGIfb_search_crt2type(const char *name)
 729 {
 730         int i = 0;
 731
 732         if (name == NULL)
 733                 return;
 734
 735         while (XGI_crt2type[i].type_no != -1) {
 736                 if (!strcmp(name, XGI_crt2type[i].name)) {
 737                         XGIfb_crt2type = XGI_crt2type[i].type_no;
 738                         XGIfb_tvplug = XGI_crt2type[i].tvplug_no;
 739                         break;
 740                 }
 741                 i++;
 742         }
 743         if (XGIfb_crt2type < 0)
 744                 printk(KERN_INFO "XGIfb: Invalid CRT2 type: %s\n", name);
 745 }
 746
 747 static u8 XGIfb_search_refresh_rate(struct xgifb_video_info *xgifb_info,
 748                                     unsigned int rate)
 749 {
 750         u16 xres, yres;
 751         int i = 0;
 752
 753         xres = XGIbios_mode[xgifb_info->mode_idx].xres;
 754         yres = XGIbios_mode[xgifb_info->mode_idx].yres;
 755
 756         xgifb_info->rate_idx = 0;
 757         while ((XGIfb_vrate[i].idx != 0) && (XGIfb_vrate[i].xres <= xres)) {
 758                 if ((XGIfb_vrate[i].xres == xres) &&
 759                     (XGIfb_vrate[i].yres == yres)) {
 760                         if (XGIfb_vrate[i].refresh == rate) {
 761                                 xgifb_info->rate_idx = XGIfb_vrate[i].idx;
 762                                 break;
 763                         } else if (XGIfb_vrate[i].refresh > rate) {
 764                                 if ((XGIfb_vrate[i].refresh - rate) <= 3) {
 765                                         DPRINTK("XGIfb: Adjusting rate from %d up to %d\n",
 766                                                 rate, XGIfb_vrate[i].refresh);
 767                                         xgifb_info->rate_idx =
 768                                                 XGIfb_vrate[i].idx;
 769                                         xgifb_info->refresh_rate =
 770                                                 XGIfb_vrate[i].refresh;
 771                                 } else if (((rate - XGIfb_vrate[i - 1].refresh)
 772                                                 <= 2) && (XGIfb_vrate[i].idx
 773                                                 != 1)) {
 774                                         DPRINTK("XGIfb: Adjusting rate from %d down to %d\n",
 775                                                 rate, XGIfb_vrate[i-1].refresh);
 776                                         xgifb_info->rate_idx =
 777                                                 XGIfb_vrate[i - 1].idx;
 778                                         xgifb_info->refresh_rate =
 779                                                 XGIfb_vrate[i - 1].refresh;
 780                                 }
 781                                 break;
 782                         } else if ((rate - XGIfb_vrate[i].refresh) <= 2) {
 783                                 DPRINTK("XGIfb: Adjusting rate from %d down to %d\n",
 784                                         rate, XGIfb_vrate[i].refresh);
 785                                 xgifb_info->rate_idx = XGIfb_vrate[i].idx;
 786                                 break;
 787                         }
 788                 }
 789                 i++;
 790         }
 791         if (xgifb_info->rate_idx > 0) {
 792                 return xgifb_info->rate_idx;
 793         } else {
 794                 printk(KERN_INFO "XGIfb: Unsupported rate %d for %dx%d\n",
 795                        rate, xres, yres);
 796                 return 0;
 797         }
 798 }
 799
 800 static void XGIfb_search_tvstd(const char *name)
 801 {
 802         int i = 0;
 803
 804         if (name == NULL)
 805                 return;
 806
 807         while (XGI_tvtype[i].type_no != -1) {
 808                 if (!strcmp(name, XGI_tvtype[i].name)) {
 809                         XGIfb_tvmode = XGI_tvtype[i].type_no;
 810                         break;
 811                 }
 812                 i++;
 813         }
 814 }
 815
 816 /* ----------- FBDev related routines for all series ----------- */
 817
 818 static void XGIfb_bpp_to_var(struct xgifb_video_info *xgifb_info,
 819                              struct fb_var_screeninfo *var)
 820 {
 821         switch (var->bits_per_pixel) {
 822         case 8:
 823                 var->red.offset = var->green.offset = var->blue.offset = 0;
 824                 var->red.length = var->green.length = var->blue.length = 6;
 825                 xgifb_info->video_cmap_len = 256;
 826                 break;
 827         case 16:
 828                 var->red.offset = 11;
 829                 var->red.length = 5;
 830                 var->green.offset = 5;
 831                 var->green.length = 6;
 832                 var->blue.offset = 0;
 833                 var->blue.length = 5;
 834                 var->transp.offset = 0;
 835                 var->transp.length = 0;
 836                 xgifb_info->video_cmap_len = 16;
 837                 break;
 838         case 32:
 839                 var->red.offset = 16;
 840                 var->red.length = 8;
 841                 var->green.offset = 8;
 842                 var->green.length = 8;
 843                 var->blue.offset = 0;
 844                 var->blue.length = 8;
 845                 var->transp.offset = 24;
 846                 var->transp.length = 8;
 847                 xgifb_info->video_cmap_len = 16;
 848                 break;
 849         }
 850 }
 851
 852 /* --------------------- SetMode routines ------------------------- */
 853
 854 static void XGIfb_pre_setmode(struct xgifb_video_info *xgifb_info)
 855 {
 856         u8 cr30 = 0, cr31 = 0;
 857
 858         cr31 = xgifb_reg_get(XGICR, 0x31);
 859         cr31 &= ~0x60;
 860
 861         switch (xgifb_info->display2) {
 862         case XGIFB_DISP_CRT:
 863                 cr30 = (XGI_VB_OUTPUT_CRT2 | XGI_SIMULTANEOUS_VIEW_ENABLE);
 864                 cr31 |= XGI_DRIVER_MODE;
 865                 break;
 866         case XGIFB_DISP_LCD:
 867                 cr30 = (XGI_VB_OUTPUT_LCD | XGI_SIMULTANEOUS_VIEW_ENABLE);
 868                 cr31 |= XGI_DRIVER_MODE;
 869                 break;
 870         case XGIFB_DISP_TV:
 871                 if (xgifb_info->TV_type == TVMODE_HIVISION)
 872                         cr30 = (XGI_VB_OUTPUT_HIVISION
 873                                         | XGI_SIMULTANEOUS_VIEW_ENABLE);
 874                 else if (xgifb_info->TV_plug == TVPLUG_SVIDEO)
 875                         cr30 = (XGI_VB_OUTPUT_SVIDEO
 876                                         | XGI_SIMULTANEOUS_VIEW_ENABLE);
 877                 else if (xgifb_info->TV_plug == TVPLUG_COMPOSITE)
 878                         cr30 = (XGI_VB_OUTPUT_COMPOSITE
 879                                         | XGI_SIMULTANEOUS_VIEW_ENABLE);
 880                 else if (xgifb_info->TV_plug == TVPLUG_SCART)
 881                         cr30 = (XGI_VB_OUTPUT_SCART
 882                                         | XGI_SIMULTANEOUS_VIEW_ENABLE);
 883                 cr31 |= XGI_DRIVER_MODE;
 884
 885                 if (XGIfb_tvmode == 1 || xgifb_info->TV_type == TVMODE_PAL)
 886                         cr31 |= 0x01;
 887                 else
 888                         cr31 &= ~0x01;
 889                 break;
 890         default: /* disable CRT2 */
 891                 cr30 = 0x00;
 892                 cr31 |= (XGI_DRIVER_MODE | XGI_VB_OUTPUT_DISABLE);
 893         }
 894
 895         xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR30, cr30);
 896         xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR31, cr31);
 897         xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR33,
 898                                                 (xgifb_info->rate_idx & 0x0F));
 899 }
 900
 901 static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info)
 902 {
 903         u8 reg;
 904         unsigned char doit = 1;
 905         /*
 906         xgifb_reg_set(XGISR,IND_XGI_PASSWORD,XGI_PASSWORD);
 907         xgifb_reg_set(XGICR, 0x13, 0x00);
 908         xgifb_reg_and_or(XGISR,0x0E, 0xF0, 0x01);
 909         *test*
 910         */
 911         if (xgifb_info->video_bpp == 8) {
 912                 /* TW: We can't switch off CRT1 on LVDS/Chrontel
 913                  * in 8bpp Modes */
 914                 if ((xgifb_info->hasVB == HASVB_LVDS) ||
 915                     (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL)) {
 916                         doit = 0;
 917                 }
 918                 /* TW: We can't switch off CRT1 on 301B-DH
 919                  * in 8bpp Modes if using LCD */
 920                 if (xgifb_info->display2 == XGIFB_DISP_LCD)
 921                         doit = 0;
 922         }
 923
 924         /* TW: We can't switch off CRT1 if bridge is in slave mode */
 925         if (xgifb_info->hasVB != HASVB_NONE) {
 926                 reg = xgifb_reg_get(XGIPART1, 0x00);
 927
 928                 if ((reg & 0x50) == 0x10)
 929                         doit = 0;
 930
 931         } else {
 932                 XGIfb_crt1off = 0;
 933         }
 934
 935         reg = xgifb_reg_get(XGICR, 0x17);
 936         if ((XGIfb_crt1off) && (doit))
 937                 reg &= ~0x80;
 938         else
 939                 reg |= 0x80;
 940         xgifb_reg_set(XGICR, 0x17, reg);
 941
 942         xgifb_reg_and(XGISR, IND_XGI_RAMDAC_CONTROL, ~0x04);
 943
 944         if (xgifb_info->display2 == XGIFB_DISP_TV &&
 945             xgifb_info->hasVB == HASVB_301) {
 946
 947                 reg = xgifb_reg_get(XGIPART4, 0x01);
 948
 949                 if (reg < 0xB0) { /* Set filter for XGI301 */
 950                         int filter_tb;
 951
 952                         switch (xgifb_info->video_width) {
 953                         case 320:
 954                                 filter_tb = (xgifb_info->TV_type ==
 955                                              TVMODE_NTSC) ? 4 : 12;
 956                                 break;
 957                         case 640:
 958                                 filter_tb = (xgifb_info->TV_type ==
 959                                              TVMODE_NTSC) ? 5 : 13;
 960                                 break;
 961                         case 720:
 962                                 filter_tb = (xgifb_info->TV_type ==
 963                                              TVMODE_NTSC) ? 6 : 14;
 964                                 break;
 965                         case 800:
 966                                 filter_tb = (xgifb_info->TV_type ==
 967                                              TVMODE_NTSC) ? 7 : 15;
 968                                 break;
 969                         default:
 970                                 filter_tb = 0;
 971                                 filter = -1;
 972                                 break;
 973                         }
 974                         xgifb_reg_or(XGIPART1,
 975                                      IND_XGI_CRT2_WRITE_ENABLE_315,
 976                                      0x01);
 977
 978                         if (xgifb_info->TV_type == TVMODE_NTSC) {
 979
 980                                 xgifb_reg_and(XGIPART2, 0x3a, 0x1f);
 981
 982                                 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
 983
 984                                         xgifb_reg_and(XGIPART2, 0x30, 0xdf);
 985
 986                                 } else if (xgifb_info->TV_plug
 987                                                 == TVPLUG_COMPOSITE) {
 988
 989                                         xgifb_reg_or(XGIPART2, 0x30, 0x20);
 990
 991                                         switch (xgifb_info->video_width) {
 992                                         case 640:
 993                                                 xgifb_reg_set(XGIPART2,
 994                                                               0x35,
 995                                                               0xEB);
 996                                                 xgifb_reg_set(XGIPART2,
 997                                                               0x36,
 998                                                               0x04);
 999                                                 xgifb_reg_set(XGIPART2,
1000                                                               0x37,
1001                                                               0x25);
1002                                                 xgifb_reg_set(XGIPART2,
1003                                                               0x38,
1004                                                               0x18);
1005                                                 break;
1006                                         case 720:
1007                                                 xgifb_reg_set(XGIPART2,
1008                                                               0x35,
1009                                                               0xEE);
1010                                                 xgifb_reg_set(XGIPART2,
1011                                                               0x36,
1012                                                               0x0C);
1013                                                 xgifb_reg_set(XGIPART2,
1014                                                               0x37,
1015                                                               0x22);
1016                                                 xgifb_reg_set(XGIPART2,
1017                                                               0x38,
1018                                                               0x08);
1019                                                 break;
1020                                         case 800:
1021                                                 xgifb_reg_set(XGIPART2,
1022                                                               0x35,
1023                                                               0xEB);
1024                                                 xgifb_reg_set(XGIPART2,
1025                                                               0x36,
1026                                                               0x15);
1027                                                 xgifb_reg_set(XGIPART2,
1028                                                               0x37,
1029                                                               0x25);
1030                                                 xgifb_reg_set(XGIPART2,
1031                                                               0x38,
1032                                                               0xF6);
1033                                                 break;
1034                                         }
1035                                 }
1036
1037                         } else if (xgifb_info->TV_type == TVMODE_PAL) {
1038
1039                                 xgifb_reg_and(XGIPART2, 0x3A, 0x1F);
1040
1041                                 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
1042
1043                                         xgifb_reg_and(XGIPART2, 0x30, 0xDF);
1044
1045                                 } else if (xgifb_info->TV_plug
1046                                                 == TVPLUG_COMPOSITE) {
1047
1048                                         xgifb_reg_or(XGIPART2, 0x30, 0x20);
1049
1050                                         switch (xgifb_info->video_width) {
1051                                         case 640:
1052                                                 xgifb_reg_set(XGIPART2,
1053                                                               0x35,
1054                                                               0xF1);
1055                                                 xgifb_reg_set(XGIPART2,
1056                                                               0x36,
1057                                                               0xF7);
1058                                                 xgifb_reg_set(XGIPART2,
1059                                                               0x37,
1060                                                               0x1F);
1061                                                 xgifb_reg_set(XGIPART2,
1062                                                               0x38,
1063                                                               0x32);
1064                                                 break;
1065                                         case 720:
1066                                                 xgifb_reg_set(XGIPART2,
1067                                                               0x35,
1068                                                               0xF3);
1069                                                 xgifb_reg_set(XGIPART2,
1070                                                               0x36,
1071                                                               0x00);
1072                                                 xgifb_reg_set(XGIPART2,
1073                                                               0x37,
1074                                                               0x1D);
1075                                                 xgifb_reg_set(XGIPART2,
1076                                                               0x38,
1077                                                               0x20);
1078                                                 break;
1079                                         case 800:
1080                                                 xgifb_reg_set(XGIPART2,
1081                                                               0x35,
1082                                                               0xFC);
1083                                                 xgifb_reg_set(XGIPART2,
1084                                                               0x36,
1085                                                               0xFB);
1086                                                 xgifb_reg_set(XGIPART2,
1087                                                               0x37,
1088                                                               0x14);
1089                                                 xgifb_reg_set(XGIPART2,
1090                                                               0x38,
1091                                                               0x2A);
1092                                                 break;
1093                                         }
1094                                 }
1095                         }
1096
1097                         if ((filter >= 0) && (filter <= 7)) {
1098                                 DPRINTK("FilterTable[%d]-%d: %02x %02x %02x %02x\n",
1099                                         filter_tb, filter,
1100                                         XGI_TV_filter[filter_tb].
1101                                                 filter[filter][0],
1102                                         XGI_TV_filter[filter_tb].
1103                                                 filter[filter][1],
1104                                         XGI_TV_filter[filter_tb].
1105                                                 filter[filter][2],
1106                                         XGI_TV_filter[filter_tb].
1107                                                 filter[filter][3]
1108                                 );
1109                                 xgifb_reg_set(
1110                                         XGIPART2,
1111                                         0x35,
1112                                         (XGI_TV_filter[filter_tb].
1113                                                 filter[filter][0]));
1114                                 xgifb_reg_set(
1115                                         XGIPART2,
1116                                         0x36,
1117                                         (XGI_TV_filter[filter_tb].
1118                                                 filter[filter][1]));
1119                                 xgifb_reg_set(
1120                                         XGIPART2,
1121                                         0x37,
1122                                         (XGI_TV_filter[filter_tb].
1123                                                 filter[filter][2]));
1124                                 xgifb_reg_set(
1125                                         XGIPART2,
1126                                         0x38,
1127                                         (XGI_TV_filter[filter_tb].
1128                                                 filter[filter][3]));
1129                         }
1130                 }
1131         }
1132 }
1133
1134 static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive,
1135                 struct fb_info *info)
1136 {
1137         struct xgifb_video_info *xgifb_info = info->par;
1138         struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info;
1139         unsigned int htotal = var->left_margin + var->xres + var->right_margin
1140                         + var->hsync_len;
1141         unsigned int vtotal = var->upper_margin + var->yres + var->lower_margin
1142                         + var->vsync_len;
1143 #if defined(__powerpc__)
1144         u8 sr_data, cr_data;
1145 #endif
1146         unsigned int drate = 0, hrate = 0;
1147         int found_mode = 0;
1148         int old_mode;
1149         /* unsigned char reg, reg1; */
1150
1151         DEBUGPRN("Inside do_set_var");
1152         /* printk(KERN_DEBUG "XGIfb:var->yres=%d, var->upper_margin=%d, var->lower_margin=%d, var->vsync_len=%d\n", var->yres, var->upper_margin, var->lower_margin, var->vsync_len); */
1153
1154         info->var.xres_virtual = var->xres_virtual;
1155         info->var.yres_virtual = var->yres_virtual;
1156         info->var.bits_per_pixel = var->bits_per_pixel;
1157
1158         if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED)
1159                 vtotal <<= 1;
1160         else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE)
1161                 vtotal <<= 2;
1162         else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
1163                 /* vtotal <<= 1; */
1164                 /* var->yres <<= 1; */
1165         }
1166
1167         if (!htotal || !vtotal) {
1168                 DPRINTK("XGIfb: Invalid 'var' information\n");
1169                 return -EINVAL;
1170         } printk(KERN_DEBUG "XGIfb: var->pixclock=%d, htotal=%d, vtotal=%d\n",
1171                         var->pixclock, htotal, vtotal);
1172
1173         if (var->pixclock && htotal && vtotal) {
1174                 drate = 1000000000 / var->pixclock;
1175                 hrate = (drate * 1000) / htotal;
1176                 xgifb_info->refresh_rate = (unsigned int) (hrate * 2
1177                                 / vtotal);
1178         } else {
1179                 xgifb_info->refresh_rate = 60;
1180         }
1181
1182         printk(KERN_DEBUG "XGIfb: Change mode to %dx%dx%d-%dHz\n",
1183                var->xres,
1184                var->yres,
1185                var->bits_per_pixel,
1186                xgifb_info->refresh_rate);
1187
1188         old_mode = xgifb_info->mode_idx;
1189         xgifb_info->mode_idx = 0;
1190
1191         while ((XGIbios_mode[xgifb_info->mode_idx].mode_no != 0) &&
1192                (XGIbios_mode[xgifb_info->mode_idx].xres <= var->xres)) {
1193                 if ((XGIbios_mode[xgifb_info->mode_idx].xres == var->xres) &&
1194                     (XGIbios_mode[xgifb_info->mode_idx].yres == var->yres) &&
1195                     (XGIbios_mode[xgifb_info->mode_idx].bpp
1196                                                 == var->bits_per_pixel)) {
1197                         found_mode = 1;
1198                         break;
1199                 }
1200                 xgifb_info->mode_idx++;
1201         }
1202
1203         if (found_mode)
1204                 xgifb_info->mode_idx = XGIfb_validate_mode(xgifb_info,
1205                                                         xgifb_info->mode_idx);
1206         else
1207                 xgifb_info->mode_idx = -1;
1208
1209         if (xgifb_info->mode_idx < 0) {
1210                 printk(KERN_ERR "XGIfb: Mode %dx%dx%d not supported\n",
1211                        var->xres, var->yres, var->bits_per_pixel);
1212                 xgifb_info->mode_idx = old_mode;
1213                 return -EINVAL;
1214         }
1215
1216         if (XGIfb_search_refresh_rate(xgifb_info,
1217                                       xgifb_info->refresh_rate) == 0) {
1218                 xgifb_info->rate_idx =
1219                         XGIbios_mode[xgifb_info->mode_idx].rate_idx;
1220                 xgifb_info->refresh_rate = 60;
1221         }
1222
1223         if (isactive) {
1224
1225                 XGIfb_pre_setmode(xgifb_info);
1226                 if (XGISetModeNew(hw_info,
1227                                   XGIbios_mode[xgifb_info->mode_idx].mode_no)
1228                                         == 0) {
1229                         printk(KERN_ERR "XGIfb: Setting mode[0x%x] failed\n",
1230                                XGIbios_mode[xgifb_info->mode_idx].mode_no);
1231                         return -EINVAL;
1232                 }
1233                 info->fix.line_length = ((info->var.xres_virtual
1234                                 * info->var.bits_per_pixel) >> 6);
1235
1236                 xgifb_reg_set(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD);
1237
1238                 xgifb_reg_set(XGICR, 0x13, (info->fix.line_length & 0x00ff));
1239                 xgifb_reg_set(XGISR,
1240                               0x0E,
1241                               (info->fix.line_length & 0xff00) >> 8);
1242
1243                 XGIfb_post_setmode(xgifb_info);
1244
1245                 DPRINTK("XGIfb: Set new mode: %dx%dx%d-%d\n",
1246                                 XGIbios_mode[xgifb_info->mode_idx].xres,
1247                                 XGIbios_mode[xgifb_info->mode_idx].yres,
1248                                 XGIbios_mode[xgifb_info->mode_idx].bpp,
1249                                 xgifb_info->refresh_rate);
1250
1251                 xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp;
1252                 xgifb_info->video_vwidth = info->var.xres_virtual;
1253                 xgifb_info->video_width =
1254                         XGIbios_mode[xgifb_info->mode_idx].xres;
1255                 xgifb_info->video_vheight = info->var.yres_virtual;
1256                 xgifb_info->video_height =
1257                         XGIbios_mode[xgifb_info->mode_idx].yres;
1258                 xgifb_info->org_x = xgifb_info->org_y = 0;
1259                 xgifb_info->video_linelength = info->var.xres_virtual
1260                                 * (xgifb_info->video_bpp >> 3);
1261                 switch (xgifb_info->video_bpp) {
1262                 case 8:
1263                         xgifb_info->DstColor = 0x0000;
1264                         xgifb_info->XGI310_AccelDepth = 0x00000000;
1265                         xgifb_info->video_cmap_len = 256;
1266 #if defined(__powerpc__)
1267                         cr_data = xgifb_reg_get(XGICR, 0x4D);
1268                         xgifb_reg_set(XGICR, 0x4D, (cr_data & 0xE0));
1269 #endif
1270                         break;
1271                 case 16:
1272                         xgifb_info->DstColor = 0x8000;
1273                         xgifb_info->XGI310_AccelDepth = 0x00010000;
1274 #if defined(__powerpc__)
1275                         cr_data = xgifb_reg_get(XGICR, 0x4D);
1276                         xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x0B));
1277 #endif
1278                         xgifb_info->video_cmap_len = 16;
1279                         break;
1280                 case 32:
1281                         xgifb_info->DstColor = 0xC000;
1282                         xgifb_info->XGI310_AccelDepth = 0x00020000;
1283                         xgifb_info->video_cmap_len = 16;
1284 #if defined(__powerpc__)
1285                         cr_data = xgifb_reg_get(XGICR, 0x4D);
1286                         xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x15));
1287 #endif
1288                         break;
1289                 default:
1290                         xgifb_info->video_cmap_len = 16;
1291                         printk(KERN_ERR "XGIfb: Unsupported depth %d",
1292                                xgifb_info->video_bpp);
1293                         break;
1294                 }
1295         }
1296         XGIfb_bpp_to_var(xgifb_info, var); /*update ARGB info*/
1297         DEBUGPRN("End of do_set_var");
1298
1299         dumpVGAReg();
1300         return 0;
1301 }
1302
1303 static int XGIfb_pan_var(struct fb_var_screeninfo *var, struct fb_info *info)
1304 {
1305         struct xgifb_video_info *xgifb_info = info->par;
1306         unsigned int base;
1307
1308         /* printk("Inside pan_var"); */
1309
1310         base = var->yoffset * info->var.xres_virtual + var->xoffset;
1311
1312         /* calculate base bpp dep. */
1313         switch (info->var.bits_per_pixel) {
1314         case 16:
1315                 base >>= 1;
1316                 break;
1317         case 32:
1318                 break;
1319         case 8:
1320         default:
1321                 base >>= 2;
1322                 break;
1323         }
1324
1325         xgifb_reg_set(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD);
1326
1327         xgifb_reg_set(XGICR, 0x0D, base & 0xFF);
1328         xgifb_reg_set(XGICR, 0x0C, (base >> 8) & 0xFF);
1329         xgifb_reg_set(XGISR, 0x0D, (base >> 16) & 0xFF);
1330         xgifb_reg_set(XGISR, 0x37, (base >> 24) & 0x03);
1331         xgifb_reg_and_or(XGISR, 0x37, 0xDF, (base >> 21) & 0x04);
1332
1333         if (xgifb_info->display2 != XGIFB_DISP_NONE) {
1334                 xgifb_reg_or(XGIPART1, IND_XGI_CRT2_WRITE_ENABLE_315, 0x01);
1335                 xgifb_reg_set(XGIPART1, 0x06, (base & 0xFF));
1336                 xgifb_reg_set(XGIPART1, 0x05, ((base >> 8) & 0xFF));
1337                 xgifb_reg_set(XGIPART1, 0x04, ((base >> 16) & 0xFF));
1338                 xgifb_reg_and_or(XGIPART1,
1339                                  0x02,
1340                                  0x7F,
1341                                  ((base >> 24) & 0x01) << 7);
1342         }
1343         /* printk("End of pan_var"); */
1344         return 0;
1345 }
1346
1347 static int XGIfb_open(struct fb_info *info, int user)
1348 {
1349         return 0;
1350 }
1351
1352 static int XGIfb_release(struct fb_info *info, int user)
1353 {
1354         return 0;
1355 }
1356
1357 static int XGIfb_get_cmap_len(const struct fb_var_screeninfo *var)
1358 {
1359         int rc = 16;
1360
1361         switch (var->bits_per_pixel) {
1362         case 8:
1363                 rc = 256;
1364                 break;
1365         case 16:
1366                 rc = 16;
1367                 break;
1368         case 32:
1369                 rc = 16;
1370                 break;
1371         }
1372         return rc;
1373 }
1374
1375 static int XGIfb_setcolreg(unsigned regno, unsigned red, unsigned green,
1376                 unsigned blue, unsigned transp, struct fb_info *info)
1377 {
1378         struct xgifb_video_info *xgifb_info = info->par;
1379
1380         if (regno >= XGIfb_get_cmap_len(&info->var))
1381                 return 1;
1382
1383         switch (info->var.bits_per_pixel) {
1384         case 8:
1385                 outb(regno, XGIDACA);
1386                 outb((red >> 10), XGIDACD);
1387                 outb((green >> 10), XGIDACD);
1388                 outb((blue >> 10), XGIDACD);
1389                 if (xgifb_info->display2 != XGIFB_DISP_NONE) {
1390                         outb(regno, XGIDAC2A);
1391                         outb((red >> 8), XGIDAC2D);
1392                         outb((green >> 8), XGIDAC2D);
1393                         outb((blue >> 8), XGIDAC2D);
1394                 }
1395                 break;
1396         case 16:
1397                 ((u32 *) (info->pseudo_palette))[regno] = ((red & 0xf800))
1398                                 | ((green & 0xfc00) >> 5) | ((blue & 0xf800)
1399                                 >> 11);
1400                 break;
1401         case 32:
1402                 red >>= 8;
1403                 green >>= 8;
1404                 blue >>= 8;
1405                 ((u32 *) (info->pseudo_palette))[regno] = (red << 16) | (green
1406                                 << 8) | (blue);
1407                 break;
1408         }
1409         return 0;
1410 }
1411
1412 /* ----------- FBDev related routines for all series ---------- */
1413
1414 static int XGIfb_get_fix(struct fb_fix_screeninfo *fix, int con,
1415                 struct fb_info *info)
1416 {
1417         struct xgifb_video_info *xgifb_info = info->par;
1418
1419         DEBUGPRN("inside get_fix");
1420         memset(fix, 0, sizeof(struct fb_fix_screeninfo));
1421
1422         fix->smem_start = xgifb_info->video_base;
1423
1424         fix->smem_len = xgifb_info->video_size;
1425
1426         fix->type = FB_TYPE_PACKED_PIXELS;
1427         fix->type_aux = 0;
1428         if (xgifb_info->video_bpp == 8)
1429                 fix->visual = FB_VISUAL_PSEUDOCOLOR;
1430         else
1431                 fix->visual = FB_VISUAL_DIRECTCOLOR;
1432         fix->xpanstep = 0;
1433         if (XGIfb_ypan)
1434                 fix->ypanstep = 1;
1435         fix->ywrapstep = 0;
1436         fix->line_length = xgifb_info->video_linelength;
1437         fix->mmio_start = xgifb_info->mmio_base;
1438         fix->mmio_len = xgifb_info->mmio_size;
1439         fix->accel = FB_ACCEL_XGI_XABRE;
1440
1441         DEBUGPRN("end of get_fix");
1442         return 0;
1443 }
1444
1445 static int XGIfb_set_par(struct fb_info *info)
1446 {
1447         int err;
1448
1449         /* printk("XGIfb: inside set_par\n"); */
1450         err = XGIfb_do_set_var(&info->var, 1, info);
1451         if (err)
1452                 return err;
1453         XGIfb_get_fix(&info->fix, -1, info);
1454         /* printk("XGIfb: end of set_par\n"); */
1455         return 0;
1456 }
1457
1458 static int XGIfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
1459 {
1460         struct xgifb_video_info *xgifb_info = info->par;
1461         unsigned int htotal = var->left_margin + var->xres + var->right_margin
1462                         + var->hsync_len;
1463         unsigned int vtotal = 0;
1464         unsigned int drate = 0, hrate = 0;
1465         int found_mode = 0;
1466         int refresh_rate, search_idx;
1467
1468         DEBUGPRN("Inside check_var");
1469
1470         if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) {
1471                 vtotal = var->upper_margin + var->yres + var->lower_margin
1472                                 + var->vsync_len;
1473                 vtotal <<= 1;
1474         } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) {
1475                 vtotal = var->upper_margin + var->yres + var->lower_margin
1476                                 + var->vsync_len;
1477                 vtotal <<= 2;
1478         } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
1479                 vtotal = var->upper_margin + (var->yres / 2)
1480                                 + var->lower_margin + var->vsync_len;
1481         } else
1482                 vtotal = var->upper_margin + var->yres + var->lower_margin
1483                                 + var->vsync_len;
1484
1485         if (!(htotal) || !(vtotal))
1486                 XGIFAIL("XGIfb: no valid timing data");
1487
1488         if (var->pixclock && htotal && vtotal) {
1489                 drate = 1000000000 / var->pixclock;
1490                 hrate = (drate * 1000) / htotal;
1491                 xgifb_info->refresh_rate =
1492                         (unsigned int) (hrate * 2 / vtotal);
1493                 printk(KERN_DEBUG
1494                         "%s: pixclock = %d ,htotal=%d, vtotal=%d\n"
1495                         "%s: drate=%d, hrate=%d, refresh_rate=%d\n",
1496                         __func__, var->pixclock, htotal, vtotal,
1497                         __func__, drate, hrate, xgifb_info->refresh_rate);
1498         } else {
1499                 xgifb_info->refresh_rate = 60;
1500         }
1501
1502         /*
1503         if ((var->pixclock) && (htotal)) {
1504                 drate = 1E12 / var->pixclock;
1505                 hrate = drate / htotal;
1506                 refresh_rate = (unsigned int) (hrate / vtotal * 2 + 0.5);
1507         } else {
1508                 refresh_rate = 60;
1509         }
1510         */
1511         /* TW: Calculation wrong for 1024x600 - force it to 60Hz */
1512         if ((var->xres == 1024) && (var->yres == 600))
1513                 refresh_rate = 60;
1514
1515         search_idx = 0;
1516         while ((XGIbios_mode[search_idx].mode_no != 0) &&
1517                 (XGIbios_mode[search_idx].xres <= var->xres)) {
1518                 if ((XGIbios_mode[search_idx].xres == var->xres) &&
1519                         (XGIbios_mode[search_idx].yres == var->yres) &&
1520                         (XGIbios_mode[search_idx].bpp == var->bits_per_pixel)) {
1521                         if (XGIfb_validate_mode(xgifb_info, search_idx) > 0) {
1522                                 found_mode = 1;
1523                                 break;
1524                         }
1525                 }
1526                 search_idx++;
1527         }
1528
1529         if (!found_mode) {
1530
1531                 printk(KERN_ERR "XGIfb: %dx%dx%d is no valid mode\n",
1532                         var->xres, var->yres, var->bits_per_pixel);
1533                 search_idx = 0;
1534                 while (XGIbios_mode[search_idx].mode_no != 0) {
1535                         if ((var->xres <= XGIbios_mode[search_idx].xres) &&
1536                             (var->yres <= XGIbios_mode[search_idx].yres) &&
1537                             (var->bits_per_pixel ==
1538                              XGIbios_mode[search_idx].bpp)) {
1539                                 if (XGIfb_validate_mode(xgifb_info,
1540                                                         search_idx) > 0) {
1541                                         found_mode = 1;
1542                                         break;
1543                                 }
1544                         }
1545                         search_idx++;
1546                 }
1547                 if (found_mode) {
1548                         var->xres = XGIbios_mode[search_idx].xres;
1549                         var->yres = XGIbios_mode[search_idx].yres;
1550                         printk(KERN_DEBUG "XGIfb: Adapted to mode %dx%dx%d\n",
1551                                 var->xres, var->yres, var->bits_per_pixel);
1552
1553                 } else {
1554                         printk(KERN_ERR "XGIfb: Failed to find similar mode to %dx%dx%d\n",
1555                                 var->xres, var->yres, var->bits_per_pixel);
1556                         return -EINVAL;
1557                 }
1558         }
1559
1560         /* TW: TODO: Check the refresh rate */
1561
1562         /* Adapt RGB settings */
1563         XGIfb_bpp_to_var(xgifb_info, var);
1564
1565         /* Sanity check for offsets */
1566         if (var->xoffset < 0)
1567                 var->xoffset = 0;
1568         if (var->yoffset < 0)
1569                 var->yoffset = 0;
1570
1571         if (!XGIfb_ypan) {
1572                 if (var->xres != var->xres_virtual)
1573                         var->xres_virtual = var->xres;
1574                 if (var->yres != var->yres_virtual)
1575                         var->yres_virtual = var->yres;
1576         } /* else { */
1577                 /* TW: Now patch yres_virtual if we use panning */
1578                 /* May I do this? */
1579                 /* var->yres_virtual = xgifb_info->heapstart /
1580                         (var->xres * (var->bits_per_pixel >> 3)); */
1581                 /* if (var->yres_virtual <= var->yres) { */
1582                 /* TW: Paranoia check */
1583                 /* var->yres_virtual = var->yres; */
1584                 /* } */
1585         /* } */
1586
1587         /* Truncate offsets to maximum if too high */
1588         if (var->xoffset > var->xres_virtual - var->xres)
1589                 var->xoffset = var->xres_virtual - var->xres - 1;
1590
1591         if (var->yoffset > var->yres_virtual - var->yres)
1592                 var->yoffset = var->yres_virtual - var->yres - 1;
1593
1594         /* Set everything else to 0 */
1595         var->red.msb_right =
1596         var->green.msb_right =
1597         var->blue.msb_right =
1598         var->transp.offset = var->transp.length = var->transp.msb_right = 0;
1599
1600         DEBUGPRN("end of check_var");
1601         return 0;
1602 }
1603
1604 static int XGIfb_pan_display(struct fb_var_screeninfo *var,
1605                 struct fb_info *info)
1606 {
1607         int err;
1608
1609         /* printk("\nInside pan_display:\n"); */
1610
1611         if (var->xoffset > (info->var.xres_virtual - info->var.xres))
1612                 return -EINVAL;
1613         if (var->yoffset > (info->var.yres_virtual - info->var.yres))
1614                 return -EINVAL;
1615
1616         if (var->vmode & FB_VMODE_YWRAP) {
1617                 if (var->yoffset < 0 || var->yoffset >= info->var.yres_virtual
1618                                 || var->xoffset)
1619                         return -EINVAL;
1620         } else {
1621                 if (var->xoffset + info->var.xres > info->var.xres_virtual
1622                                 || var->yoffset + info->var.yres
1623                                                 > info->var.yres_virtual)
1624                         return -EINVAL;
1625         }
1626         err = XGIfb_pan_var(var, info);
1627         if (err < 0)
1628                 return err;
1629
1630         info->var.xoffset = var->xoffset;
1631         info->var.yoffset = var->yoffset;
1632         if (var->vmode & FB_VMODE_YWRAP)
1633                 info->var.vmode |= FB_VMODE_YWRAP;
1634         else
1635                 info->var.vmode &= ~FB_VMODE_YWRAP;
1636
1637         /* printk("End of pan_display\n"); */
1638         return 0;
1639 }
1640
1641 static int XGIfb_blank(int blank, struct fb_info *info)
1642 {
1643         struct xgifb_video_info *xgifb_info = info->par;
1644         u8 reg;
1645
1646         reg = xgifb_reg_get(XGICR, 0x17);
1647
1648         if (blank > 0)
1649                 reg &= 0x7f;
1650         else
1651                 reg |= 0x80;
1652
1653         xgifb_reg_set(XGICR, 0x17, reg);
1654         xgifb_reg_set(XGISR, 0x00, 0x01); /* Synchronous Reset */
1655         xgifb_reg_set(XGISR, 0x00, 0x03); /* End Reset */
1656         return 0;
1657 }
1658
1659 static struct fb_ops XGIfb_ops = {
1660         .owner = THIS_MODULE,
1661         .fb_open = XGIfb_open,
1662         .fb_release = XGIfb_release,
1663         .fb_check_var = XGIfb_check_var,
1664         .fb_set_par = XGIfb_set_par,
1665         .fb_setcolreg = XGIfb_setcolreg,
1666         .fb_pan_display = XGIfb_pan_display,
1667         .fb_blank = XGIfb_blank,
1668         .fb_fillrect = cfb_fillrect,
1669         .fb_copyarea = cfb_copyarea,
1670         .fb_imageblit = cfb_imageblit,
1671         /* .fb_mmap = XGIfb_mmap, */
1672 };
1673
1674 /* ---------------- Chip generation dependent routines ---------------- */
1675
1676 /* for XGI 315/550/650/740/330 */
1677
1678 static int XGIfb_get_dram_size(struct xgifb_video_info *xgifb_info)
1679 {
1680
1681         u8 ChannelNum, tmp;
1682         u8 reg = 0;
1683
1684         /* xorg driver sets 32MB * 1 channel */
1685         if (xgifb_info->chip == XG27)
1686                 xgifb_reg_set(XGISR, IND_XGI_DRAM_SIZE, 0x51);
1687
1688         reg = xgifb_reg_get(XGISR, IND_XGI_DRAM_SIZE);
1689         switch ((reg & XGI_DRAM_SIZE_MASK) >> 4) {
1690         case XGI_DRAM_SIZE_1MB:
1691                 xgifb_info->video_size = 0x100000;
1692                 break;
1693         case XGI_DRAM_SIZE_2MB:
1694                 xgifb_info->video_size = 0x200000;
1695                 break;
1696         case XGI_DRAM_SIZE_4MB:
1697                 xgifb_info->video_size = 0x400000;
1698                 break;
1699         case XGI_DRAM_SIZE_8MB:
1700                 xgifb_info->video_size = 0x800000;
1701                 break;
1702         case XGI_DRAM_SIZE_16MB:
1703                 xgifb_info->video_size = 0x1000000;
1704                 break;
1705         case XGI_DRAM_SIZE_32MB:
1706                 xgifb_info->video_size = 0x2000000;
1707                 break;
1708         case XGI_DRAM_SIZE_64MB:
1709                 xgifb_info->video_size = 0x4000000;
1710                 break;
1711         case XGI_DRAM_SIZE_128MB:
1712                 xgifb_info->video_size = 0x8000000;
1713                 break;
1714         case XGI_DRAM_SIZE_256MB:
1715                 xgifb_info->video_size = 0x10000000;
1716                 break;
1717         default:
1718                 return -1;
1719         }
1720
1721         tmp = (reg & 0x0c) >> 2;
1722         switch (xgifb_info->chip) {
1723         case XG20:
1724         case XG21:
1725         case XG27:
1726                 ChannelNum = 1;
1727                 break;
1728
1729         case XG42:
1730                 if (reg & 0x04)
1731                         ChannelNum = 2;
1732                 else
1733                         ChannelNum = 1;
1734                 break;
1735
1736         case XG45:
1737                 if (tmp == 1)
1738                         ChannelNum = 2;
1739                 else if (tmp == 2)
1740                         ChannelNum = 3;
1741                 else if (tmp == 3)
1742                         ChannelNum = 4;
1743                 else
1744                         ChannelNum = 1;
1745                 break;
1746
1747         case XG40:
1748         default:
1749                 if (tmp == 2)
1750                         ChannelNum = 2;
1751                 else if (tmp == 3)
1752                         ChannelNum = 3;
1753                 else
1754                         ChannelNum = 1;
1755                 break;
1756         }
1757
1758         xgifb_info->video_size = xgifb_info->video_size * ChannelNum;
1759         /* PLiad fixed for benchmarking and fb set */
1760         /* xgifb_info->video_size = 0x200000; */ /* 1024x768x16 */
1761         /* xgifb_info->video_size = 0x1000000; */ /* benchmark */
1762
1763         printk("XGIfb: SR14=%x DramSzie %x ChannelNum %x\n",
1764                reg,
1765                xgifb_info->video_size, ChannelNum);
1766         return 0;
1767
1768 }
1769
1770 static void XGIfb_detect_VB(struct xgifb_video_info *xgifb_info)
1771 {
1772         u8 cr32, temp = 0;
1773
1774         xgifb_info->TV_plug = xgifb_info->TV_type = 0;
1775
1776         switch (xgifb_info->hasVB) {
1777         case HASVB_LVDS_CHRONTEL:
1778         case HASVB_CHRONTEL:
1779                 break;
1780         case HASVB_301:
1781         case HASVB_302:
1782                 /* XGI_Sense30x(); */ /* Yi-Lin TV Sense? */
1783                 break;
1784         }
1785
1786         cr32 = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR32);
1787
1788         if ((cr32 & XGI_CRT1) && !XGIfb_crt1off)
1789                 XGIfb_crt1off = 0;
1790         else {
1791                 if (cr32 & 0x5F)
1792                         XGIfb_crt1off = 1;
1793                 else
1794                         XGIfb_crt1off = 0;
1795         }
1796
1797         if (XGIfb_crt2type != -1)
1798                 /* TW: Override with option */
1799                 xgifb_info->display2 = XGIfb_crt2type;
1800         else if (cr32 & XGI_VB_TV)
1801                 xgifb_info->display2 = XGIFB_DISP_TV;
1802         else if (cr32 & XGI_VB_LCD)
1803                 xgifb_info->display2 = XGIFB_DISP_LCD;
1804         else if (cr32 & XGI_VB_CRT2)
1805                 xgifb_info->display2 = XGIFB_DISP_CRT;
1806         else
1807                 xgifb_info->display2 = XGIFB_DISP_NONE;
1808
1809         if (XGIfb_tvplug != -1)
1810                 /* PR/TW: Override with option */
1811                 xgifb_info->TV_plug = XGIfb_tvplug;
1812         else if (cr32 & XGI_VB_HIVISION) {
1813                 xgifb_info->TV_type = TVMODE_HIVISION;
1814                 xgifb_info->TV_plug = TVPLUG_SVIDEO;
1815         } else if (cr32 & XGI_VB_SVIDEO)
1816                 xgifb_info->TV_plug = TVPLUG_SVIDEO;
1817         else if (cr32 & XGI_VB_COMPOSITE)
1818                 xgifb_info->TV_plug = TVPLUG_COMPOSITE;
1819         else if (cr32 & XGI_VB_SCART)
1820                 xgifb_info->TV_plug = TVPLUG_SCART;
1821
1822         if (xgifb_info->TV_type == 0) {
1823                 temp = xgifb_reg_get(XGICR, 0x38);
1824                 if (temp & 0x10)
1825                         xgifb_info->TV_type = TVMODE_PAL;
1826                 else
1827                         xgifb_info->TV_type = TVMODE_NTSC;
1828         }
1829
1830         /* TW: Copy forceCRT1 option to CRT1off if option is given */
1831         if (XGIfb_forcecrt1 != -1) {
1832                 if (XGIfb_forcecrt1)
1833                         XGIfb_crt1off = 0;
1834                 else
1835                         XGIfb_crt1off = 1;
1836         }
1837 }
1838
1839 static int XGIfb_has_VB(struct xgifb_video_info *xgifb_info)
1840 {
1841         u8 vb_chipid;
1842
1843         vb_chipid = xgifb_reg_get(XGIPART4, 0x00);
1844         switch (vb_chipid) {
1845         case 0x01:
1846                 xgifb_info->hasVB = HASVB_301;
1847                 break;
1848         case 0x02:
1849                 xgifb_info->hasVB = HASVB_302;
1850                 break;
1851         default:
1852                 xgifb_info->hasVB = HASVB_NONE;
1853                 return 0;
1854         }
1855         return 1;
1856 }
1857
1858 static void XGIfb_get_VB_type(struct xgifb_video_info *xgifb_info)
1859 {
1860         u8 reg;
1861
1862         if (!XGIfb_has_VB(xgifb_info)) {
1863                 reg = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR37);
1864                 switch ((reg & XGI_EXTERNAL_CHIP_MASK) >> 1) {
1865                 case XGI310_EXTERNAL_CHIP_LVDS:
1866                         xgifb_info->hasVB = HASVB_LVDS;
1867                         break;
1868                 case XGI310_EXTERNAL_CHIP_LVDS_CHRONTEL:
1869                         xgifb_info->hasVB = HASVB_LVDS_CHRONTEL;
1870                         break;
1871                 default:
1872                         break;
1873                 }
1874         }
1875 }
1876
1877 static int __init xgifb_optval(char *fullopt, int validx)
1878 {
1879         unsigned long lres;
1880
1881         if (kstrtoul(fullopt + validx, 0, &lres) < 0 || lres > INT_MAX) {
1882                 pr_err("xgifb: invalid value for option: %s\n", fullopt);
1883                 return 0;
1884         }
1885         return lres;
1886 }
1887
1888 static int __init XGIfb_setup(char *options)
1889 {
1890         char *this_opt;
1891
1892         if (!options || !*options)
1893                 return 0;
1894
1895         pr_info("xgifb: options: %s\n", options);
1896
1897         while ((this_opt = strsep(&options, ",")) != NULL) {
1898
1899                 if (!*this_opt)
1900                         continue;
1901
1902                 if (!strncmp(this_opt, "mode:", 5)) {
1903                         mode = this_opt + 5;
1904                 } else if (!strncmp(this_opt, "vesa:", 5)) {
1905                         vesa = xgifb_optval(this_opt, 5);
1906                 } else if (!strncmp(this_opt, "vrate:", 6)) {
1907                         refresh_rate = xgifb_optval(this_opt, 6);
1908                 } else if (!strncmp(this_opt, "rate:", 5)) {
1909                         refresh_rate = xgifb_optval(this_opt, 5);
1910                 } else if (!strncmp(this_opt, "crt1off", 7)) {
1911                         XGIfb_crt1off = 1;
1912                 } else if (!strncmp(this_opt, "filter:", 7)) {
1913                         filter = xgifb_optval(this_opt, 7);
1914                 } else if (!strncmp(this_opt, "forcecrt2type:", 14)) {
1915                         XGIfb_search_crt2type(this_opt + 14);
1916                 } else if (!strncmp(this_opt, "forcecrt1:", 10)) {
1917                         XGIfb_forcecrt1 = xgifb_optval(this_opt, 10);
1918                 } else if (!strncmp(this_opt, "tvmode:", 7)) {
1919                         XGIfb_search_tvstd(this_opt + 7);
1920                 } else if (!strncmp(this_opt, "tvstandard:", 11)) {
1921                         XGIfb_search_tvstd(this_opt + 7);
1922                 } else if (!strncmp(this_opt, "dstn", 4)) {
1923                         enable_dstn = 1;
1924                         /* TW: DSTN overrules forcecrt2type */
1925                         XGIfb_crt2type = XGIFB_DISP_LCD;
1926                 } else if (!strncmp(this_opt, "noypan", 6)) {
1927                         XGIfb_ypan = 0;
1928                 } else if (!strncmp(this_opt, "userom:", 7)) {
1929                         XGIfb_userom = xgifb_optval(this_opt, 7);
1930                 } else {
1931                         mode = this_opt;
1932                 }
1933         }
1934         return 0;
1935 }
1936
1937 static unsigned char *xgifb_copy_rom(struct pci_dev *dev)
1938 {
1939         void __iomem *rom_address;
1940         unsigned char *rom_copy;
1941         size_t rom_size;
1942
1943         rom_address = pci_map_rom(dev, &rom_size);
1944         if (rom_address == NULL)
1945                 return NULL;
1946
1947         rom_copy = vzalloc(XGIFB_ROM_SIZE);
1948         if (rom_copy == NULL)
1949                 goto done;
1950
1951         rom_size = min_t(size_t, rom_size, XGIFB_ROM_SIZE);
1952         memcpy_fromio(rom_copy, rom_address, rom_size);
1953
1954 done:
1955         pci_unmap_rom(dev, rom_address);
1956         return rom_copy;
1957 }
1958
1959 static int __devinit xgifb_probe(struct pci_dev *pdev,
1960                 const struct pci_device_id *ent)
1961 {
1962         u8 reg, reg1;
1963         u8 CR48, CR38;
1964         int ret;
1965         bool xgi21_drvlcdcaplist = false;
1966         struct fb_info *fb_info;
1967         struct xgifb_video_info *xgifb_info;
1968         struct xgi_hw_device_info *hw_info;
1969
1970         fb_info = framebuffer_alloc(sizeof(*xgifb_info), &pdev->dev);
1971         if (!fb_info)
1972                 return -ENOMEM;
1973
1974         xgifb_info = fb_info->par;
1975         hw_info = &xgifb_info->hw_info;
1976         xgifb_info->fb_info = fb_info;
1977         xgifb_info->chip_id = pdev->device;
1978         pci_read_config_byte(pdev,
1979                              PCI_REVISION_ID,
1980                              &xgifb_info->revision_id);
1981         hw_info->jChipRevision = xgifb_info->revision_id;
1982
1983         xgifb_info->pcibus = pdev->bus->number;
1984         xgifb_info->pcislot = PCI_SLOT(pdev->devfn);
1985         xgifb_info->pcifunc = PCI_FUNC(pdev->devfn);
1986         xgifb_info->subsysvendor = pdev->subsystem_vendor;
1987         xgifb_info->subsysdevice = pdev->subsystem_device;
1988
1989         xgifb_info->video_base = pci_resource_start(pdev, 0);
1990         xgifb_info->mmio_base = pci_resource_start(pdev, 1);
1991         xgifb_info->mmio_size = pci_resource_len(pdev, 1);
1992         xgifb_info->vga_base = pci_resource_start(pdev, 2) + 0x30;
1993         hw_info->pjIOAddress = (unsigned char *)xgifb_info->vga_base;
1994         /* XGI_Pr.RelIO  = ioremap(pci_resource_start(pdev, 2), 128) + 0x30; */
1995         printk("XGIfb: Relocate IO address: %lx [%08lx]\n",
1996                (unsigned long)pci_resource_start(pdev, 2),
1997                xgifb_info->dev_info.RelIO);
1998
1999         if (pci_enable_device(pdev)) {
2000                 ret = -EIO;
2001                 goto error;
2002         }
2003
2004         XGIRegInit(&xgifb_info->dev_info, (unsigned long)hw_info->pjIOAddress);
2005
2006         xgifb_reg_set(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD);
2007         reg1 = xgifb_reg_get(XGISR, IND_XGI_PASSWORD);
2008
2009         if (reg1 != 0xa1) { /*I/O error */
2010                 printk("\nXGIfb: I/O error!!!");
2011                 ret = -EIO;
2012                 goto error;
2013         }
2014
2015         switch (xgifb_info->chip_id) {
2016         case PCI_DEVICE_ID_XG_20:
2017                 xgifb_reg_or(XGICR, Index_CR_GPIO_Reg3, GPIOG_EN);
2018                 CR48 = xgifb_reg_get(XGICR, Index_CR_GPIO_Reg1);
2019                 if (CR48&GPIOG_READ)
2020                         xgifb_info->chip = XG21;
2021                 else
2022                         xgifb_info->chip = XG20;
2023                 break;
2024         case PCI_DEVICE_ID_XG_40:
2025                 xgifb_info->chip = XG40;
2026                 break;
2027         case PCI_DEVICE_ID_XG_41:
2028                 xgifb_info->chip = XG41;
2029                 break;
2030         case PCI_DEVICE_ID_XG_42:
2031                 xgifb_info->chip = XG42;
2032                 break;
2033         case PCI_DEVICE_ID_XG_27:
2034                 xgifb_info->chip = XG27;
2035                 break;
2036         default:
2037                 ret = -ENODEV;
2038                 goto error;
2039         }
2040
2041         printk("XGIfb:chipid = %x\n", xgifb_info->chip);
2042         hw_info->jChipType = xgifb_info->chip;
2043
2044         if ((xgifb_info->chip == XG21) || (XGIfb_userom)) {
2045                 hw_info->pjVirtualRomBase = xgifb_copy_rom(pdev);
2046                 if (hw_info->pjVirtualRomBase)
2047                         printk(KERN_INFO "XGIfb: Video ROM found and mapped to %p\n",
2048                                hw_info->pjVirtualRomBase);
2049                 else
2050                         printk(KERN_INFO "XGIfb: Video ROM not found\n");
2051         } else {
2052                 hw_info->pjVirtualRomBase = NULL;
2053                 printk(KERN_INFO "XGIfb: Video ROM usage disabled\n");
2054         }
2055
2056         if (XGIfb_get_dram_size(xgifb_info)) {
2057                 printk(KERN_INFO "XGIfb: Fatal error: Unable to determine RAM size.\n");
2058                 ret = -ENODEV;
2059                 goto error;
2060         }
2061
2062         /* Enable PCI_LINEAR_ADDRESSING and MMIO_ENABLE  */
2063         xgifb_reg_or(XGISR,
2064                      IND_XGI_PCI_ADDRESS_SET,
2065                      (XGI_PCI_ADDR_ENABLE | XGI_MEM_MAP_IO_ENABLE));
2066         /* Enable 2D accelerator engine */
2067         xgifb_reg_or(XGISR, IND_XGI_MODULE_ENABLE, XGI_ENABLE_2D);
2068
2069         hw_info->ulVideoMemorySize = xgifb_info->video_size;
2070
2071         if (!request_mem_region(xgifb_info->video_base,
2072                                 xgifb_info->video_size,
2073                                 "XGIfb FB")) {
2074                 printk("unable request memory size %x",
2075                        xgifb_info->video_size);
2076                 printk(KERN_ERR "XGIfb: Fatal error: Unable to reserve frame buffer memory\n");
2077                 printk(KERN_ERR "XGIfb: Is there another framebuffer driver active?\n");
2078                 ret = -ENODEV;
2079                 goto error;
2080         }
2081
2082         if (!request_mem_region(xgifb_info->mmio_base,
2083                                 xgifb_info->mmio_size,
2084                                 "XGIfb MMIO")) {
2085                 printk(KERN_ERR "XGIfb: Fatal error: Unable to reserve MMIO region\n");
2086                 ret = -ENODEV;
2087                 goto error_0;
2088         }
2089
2090         xgifb_info->video_vbase = hw_info->pjVideoMemoryAddress =
2091         ioremap(xgifb_info->video_base, xgifb_info->video_size);
2092         xgifb_info->mmio_vbase = ioremap(xgifb_info->mmio_base,
2093                                             xgifb_info->mmio_size);
2094
2095         printk(KERN_INFO "XGIfb: Framebuffer at 0x%lx, mapped to 0x%p, size %dk\n",
2096                xgifb_info->video_base,
2097                xgifb_info->video_vbase,
2098                xgifb_info->video_size / 1024);
2099
2100         printk(KERN_INFO "XGIfb: MMIO at 0x%lx, mapped to 0x%p, size %ldk\n",
2101                xgifb_info->mmio_base, xgifb_info->mmio_vbase,
2102                xgifb_info->mmio_size / 1024);
2103         printk("XGIfb: XGIInitNew() ...");
2104         pci_set_drvdata(pdev, xgifb_info);
2105         if (XGIInitNew(pdev))
2106                 printk("OK\n");
2107         else
2108                 printk("Fail\n");
2109
2110         xgifb_info->mtrr = (unsigned int) 0;
2111
2112         xgifb_info->hasVB = HASVB_NONE;
2113         if ((xgifb_info->chip == XG20) ||
2114             (xgifb_info->chip == XG27)) {
2115                 xgifb_info->hasVB = HASVB_NONE;
2116         } else if (xgifb_info->chip == XG21) {
2117                 CR38 = xgifb_reg_get(XGICR, 0x38);
2118                 if ((CR38&0xE0) == 0xC0) {
2119                         xgifb_info->display2 = XGIFB_DISP_LCD;
2120                         if (!XGIfb_GetXG21LVDSData(xgifb_info))
2121                                 xgi21_drvlcdcaplist = true;
2122                 } else if ((CR38&0xE0) == 0x60) {
2123                         xgifb_info->hasVB = HASVB_CHRONTEL;
2124                 } else {
2125                         xgifb_info->hasVB = HASVB_NONE;
2126                 }
2127         } else {
2128                 XGIfb_get_VB_type(xgifb_info);
2129         }
2130
2131         hw_info->ujVBChipID = VB_CHIP_UNKNOWN;
2132
2133         hw_info->ulExternalChip = 0;
2134
2135         switch (xgifb_info->hasVB) {
2136         case HASVB_301:
2137                 reg = xgifb_reg_get(XGIPART4, 0x01);
2138                 if (reg >= 0xE0) {
2139                         hw_info->ujVBChipID = VB_CHIP_302LV;
2140                         printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n", reg);
2141                 } else if (reg >= 0xD0) {
2142                         hw_info->ujVBChipID = VB_CHIP_301LV;
2143                         printk(KERN_INFO "XGIfb: XGI301LV bridge detected (revision 0x%02x)\n", reg);
2144                 }
2145                 /* else if (reg >= 0xB0) {
2146                         hw_info->ujVBChipID = VB_CHIP_301B;
2147                         reg1 = xgifb_reg_get(XGIPART4, 0x23);
2148                         printk("XGIfb: XGI301B bridge detected\n");
2149                 } */
2150                 else {
2151                         hw_info->ujVBChipID = VB_CHIP_301;
2152                         printk("XGIfb: XGI301 bridge detected\n");
2153                 }
2154                 break;
2155         case HASVB_302:
2156                 reg = xgifb_reg_get(XGIPART4, 0x01);
2157                 if (reg >= 0xE0) {
2158                         hw_info->ujVBChipID = VB_CHIP_302LV;
2159                         printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n", reg);
2160                 } else if (reg >= 0xD0) {
2161                         hw_info->ujVBChipID = VB_CHIP_301LV;
2162                         printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n", reg);
2163                 } else if (reg >= 0xB0) {
2164                         reg1 = xgifb_reg_get(XGIPART4, 0x23);
2165
2166                         hw_info->ujVBChipID = VB_CHIP_302B;
2167
2168                 } else {
2169                         hw_info->ujVBChipID = VB_CHIP_302;
2170                         printk(KERN_INFO "XGIfb: XGI302 bridge detected\n");
2171                 }
2172                 break;
2173         case HASVB_LVDS:
2174                 hw_info->ulExternalChip = 0x1;
2175                 printk(KERN_INFO "XGIfb: LVDS transmitter detected\n");
2176                 break;
2177         case HASVB_TRUMPION:
2178                 hw_info->ulExternalChip = 0x2;
2179                 printk(KERN_INFO "XGIfb: Trumpion Zurac LVDS scaler detected\n");
2180                 break;
2181         case HASVB_CHRONTEL:
2182                 hw_info->ulExternalChip = 0x4;
2183                 printk(KERN_INFO "XGIfb: Chrontel TV encoder detected\n");
2184                 break;
2185         case HASVB_LVDS_CHRONTEL:
2186                 hw_info->ulExternalChip = 0x5;
2187                 printk(KERN_INFO "XGIfb: LVDS transmitter and Chrontel TV encoder detected\n");
2188                 break;
2189         default:
2190                 printk(KERN_INFO "XGIfb: No or unknown bridge type detected\n");
2191                 break;
2192         }
2193
2194         if (xgifb_info->hasVB != HASVB_NONE)
2195                 XGIfb_detect_VB(xgifb_info);
2196
2197         if (xgifb_info->display2 == XGIFB_DISP_LCD) {
2198                 if (!enable_dstn) {
2199                         reg = xgifb_reg_get(XGICR, IND_XGI_LCD_PANEL);
2200                         reg &= 0x0f;
2201                         hw_info->ulCRT2LCDType = XGI310paneltype[reg];
2202
2203                 } else {
2204                         /* TW: FSTN/DSTN */
2205                         hw_info->ulCRT2LCDType = LCD_320x480;
2206                 }
2207         }
2208
2209         if ((hw_info->ujVBChipID == VB_CHIP_302B) ||
2210                         (hw_info->ujVBChipID == VB_CHIP_301LV) ||
2211                         (hw_info->ujVBChipID == VB_CHIP_302LV)) {
2212                 int tmp;
2213                 tmp = xgifb_reg_get(XGICR, 0x34);
2214                 if (tmp <= 0x13) {
2215                         /* Currently on LCDA?
2216                          *(Some BIOSes leave CR38) */
2217                         tmp = xgifb_reg_get(XGICR, 0x38);
2218                         if ((tmp & 0x03) == 0x03) {
2219                                 /* XGI_Pr.XGI_UseLCDA = 1; */
2220                         } else {
2221                                 /* Currently on LCDA?
2222                                  *(Some newer BIOSes set D0 in CR35) */
2223                                 tmp = xgifb_reg_get(XGICR, 0x35);
2224                                 if (tmp & 0x01) {
2225                                         /* XGI_Pr.XGI_UseLCDA = 1; */
2226                                 } else {
2227                                         tmp = xgifb_reg_get(XGICR,
2228                                                             0x30);
2229                                         if (tmp & 0x20) {
2230                                                 tmp = xgifb_reg_get(
2231                                                         XGIPART1, 0x13);
2232                                                 if (tmp & 0x04) {
2233                                                         /* XGI_Pr.XGI_UseLCDA = 1; */
2234                                                 }
2235                                         }
2236                                 }
2237                         }
2238                 }
2239
2240         }
2241
2242         xgifb_info->mode_idx = -1;
2243
2244         if (mode)
2245                 XGIfb_search_mode(xgifb_info, mode);
2246         else if (vesa != -1)
2247                 XGIfb_search_vesamode(xgifb_info, vesa);
2248
2249         if (xgifb_info->mode_idx >= 0)
2250                 xgifb_info->mode_idx =
2251                         XGIfb_validate_mode(xgifb_info, xgifb_info->mode_idx);
2252
2253         if (xgifb_info->mode_idx < 0) {
2254                 if (xgifb_info->display2 == XGIFB_DISP_LCD &&
2255                     xgifb_info->chip == XG21)
2256                         xgifb_info->mode_idx =
2257                                 XGIfb_GetXG21DefaultLVDSModeIdx();
2258                 else
2259                         xgifb_info->mode_idx = DEFAULT_MODE;
2260         }
2261
2262         if (xgifb_info->mode_idx < 0) {
2263                 dev_err(&pdev->dev, "no supported video mode found\n");
2264                 goto error_1;
2265         }
2266
2267         if (xgi21_drvlcdcaplist) {
2268                 int m;
2269
2270                 for (m = 0; m < ARRAY_SIZE(XGI21_LCDCapList); m++)
2271                         if ((XGI21_LCDCapList[m].LVDSHDE ==
2272                                 XGIbios_mode[xgifb_info->mode_idx].xres) &&
2273                             (XGI21_LCDCapList[m].LVDSVDE ==
2274                                 XGIbios_mode[xgifb_info->mode_idx].yres)) {
2275                                 xgifb_reg_set(xgifb_info->dev_info.P3d4,
2276                                               0x36,
2277                                               m);
2278                                 break;
2279                         }
2280         }
2281
2282         /* yilin set default refresh rate */
2283         xgifb_info->refresh_rate = refresh_rate;
2284         if (xgifb_info->refresh_rate == 0)
2285                 xgifb_info->refresh_rate = 60;
2286         if (XGIfb_search_refresh_rate(xgifb_info,
2287                         xgifb_info->refresh_rate) == 0) {
2288                 xgifb_info->rate_idx =
2289                         XGIbios_mode[xgifb_info->mode_idx].rate_idx;
2290                 xgifb_info->refresh_rate = 60;
2291         }
2292
2293         xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp;
2294         xgifb_info->video_vwidth =
2295                 xgifb_info->video_width =
2296                         XGIbios_mode[xgifb_info->mode_idx].xres;
2297         xgifb_info->video_vheight =
2298                 xgifb_info->video_height =
2299                         XGIbios_mode[xgifb_info->mode_idx].yres;
2300         xgifb_info->org_x = xgifb_info->org_y = 0;
2301         xgifb_info->video_linelength =
2302                 xgifb_info->video_width *
2303                 (xgifb_info->video_bpp >> 3);
2304         switch (xgifb_info->video_bpp) {
2305         case 8:
2306                 xgifb_info->DstColor = 0x0000;
2307                 xgifb_info->XGI310_AccelDepth = 0x00000000;
2308                 xgifb_info->video_cmap_len = 256;
2309                 break;
2310         case 16:
2311                 xgifb_info->DstColor = 0x8000;
2312                 xgifb_info->XGI310_AccelDepth = 0x00010000;
2313                 xgifb_info->video_cmap_len = 16;
2314                 break;
2315         case 32:
2316                 xgifb_info->DstColor = 0xC000;
2317                 xgifb_info->XGI310_AccelDepth = 0x00020000;
2318                 xgifb_info->video_cmap_len = 16;
2319                 break;
2320         default:
2321                 xgifb_info->video_cmap_len = 16;
2322                 printk(KERN_INFO "XGIfb: Unsupported depth %d",
2323                        xgifb_info->video_bpp);
2324                 break;
2325         }
2326
2327         printk(KERN_INFO "XGIfb: Default mode is %dx%dx%d (%dHz)\n",
2328                xgifb_info->video_width,
2329                xgifb_info->video_height,
2330                xgifb_info->video_bpp,
2331                xgifb_info->refresh_rate);
2332
2333         fb_info->var.red.length         = 8;
2334         fb_info->var.green.length       = 8;
2335         fb_info->var.blue.length        = 8;
2336         fb_info->var.activate           = FB_ACTIVATE_NOW;
2337         fb_info->var.height             = -1;
2338         fb_info->var.width              = -1;
2339         fb_info->var.vmode              = FB_VMODE_NONINTERLACED;
2340         fb_info->var.xres               = xgifb_info->video_width;
2341         fb_info->var.xres_virtual       = xgifb_info->video_width;
2342         fb_info->var.yres               = xgifb_info->video_height;
2343         fb_info->var.yres_virtual       = xgifb_info->video_height;
2344         fb_info->var.bits_per_pixel     = xgifb_info->video_bpp;
2345
2346         XGIfb_bpp_to_var(xgifb_info, &fb_info->var);
2347
2348         fb_info->var.pixclock = (u32) (1000000000 /
2349                         XGIfb_mode_rate_to_dclock(&xgifb_info->dev_info,
2350                                 hw_info,
2351                                 XGIbios_mode[xgifb_info->mode_idx].mode_no,
2352                                 xgifb_info->rate_idx));
2353
2354         if (XGIfb_mode_rate_to_ddata(&xgifb_info->dev_info, hw_info,
2355                 XGIbios_mode[xgifb_info->mode_idx].mode_no,
2356                 xgifb_info->rate_idx,
2357                 &fb_info->var.left_margin,
2358                 &fb_info->var.right_margin,
2359                 &fb_info->var.upper_margin,
2360                 &fb_info->var.lower_margin,
2361                 &fb_info->var.hsync_len,
2362                 &fb_info->var.vsync_len,
2363                 &fb_info->var.sync,
2364                 &fb_info->var.vmode)) {
2365
2366                 if ((fb_info->var.vmode & FB_VMODE_MASK) ==
2367                     FB_VMODE_INTERLACED) {
2368                         fb_info->var.yres <<= 1;
2369                         fb_info->var.yres_virtual <<= 1;
2370                 } else if ((fb_info->var.vmode & FB_VMODE_MASK) ==
2371                            FB_VMODE_DOUBLE) {
2372                         fb_info->var.pixclock >>= 1;
2373                         fb_info->var.yres >>= 1;
2374                         fb_info->var.yres_virtual >>= 1;
2375                 }
2376
2377         }
2378
2379         strncpy(fb_info->fix.id, "XGI", sizeof(fb_info->fix.id) - 1);
2380         fb_info->fix.type       = FB_TYPE_PACKED_PIXELS;
2381         fb_info->fix.xpanstep   = 1;
2382         fb_info->fix.ypanstep   = 1;
2383
2384         fb_info->flags = FBINFO_FLAG_DEFAULT;
2385         fb_info->screen_base = xgifb_info->video_vbase;
2386         fb_info->fbops = &XGIfb_ops;
2387         XGIfb_get_fix(&fb_info->fix, -1, fb_info);
2388         fb_info->pseudo_palette = xgifb_info->pseudo_palette;
2389
2390         fb_alloc_cmap(&fb_info->cmap, 256 , 0);
2391
2392 #ifdef CONFIG_MTRR
2393         xgifb_info->mtrr = mtrr_add(xgifb_info->video_base,
2394                 xgifb_info->video_size, MTRR_TYPE_WRCOMB, 1);
2395         if (xgifb_info->mtrr >= 0)
2396                 dev_info(&pdev->dev, "added MTRR\n");
2397 #endif
2398
2399         if (register_framebuffer(fb_info) < 0) {
2400                 ret = -EINVAL;
2401                 goto error_mtrr;
2402         }
2403
2404         dumpVGAReg();
2405
2406         return 0;
2407
2408 error_mtrr:
2409 #ifdef CONFIG_MTRR
2410         if (xgifb_info->mtrr >= 0)
2411                 mtrr_del(xgifb_info->mtrr, xgifb_info->video_base,
2412                         xgifb_info->video_size);
2413 #endif /* CONFIG_MTRR */
2414 error_1:
2415         iounmap(xgifb_info->mmio_vbase);
2416         iounmap(xgifb_info->video_vbase);
2417         release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
2418 error_0:
2419         release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
2420 error:
2421         vfree(hw_info->pjVirtualRomBase);
2422         framebuffer_release(fb_info);
2423         return ret;
2424 }
2425
2426 /*****************************************************/
2427 /*                PCI DEVICE HANDLING                */
2428 /*****************************************************/
2429
2430 static void __devexit xgifb_remove(struct pci_dev *pdev)
2431 {
2432         struct xgifb_video_info *xgifb_info = pci_get_drvdata(pdev);
2433         struct fb_info *fb_info = xgifb_info->fb_info;
2434
2435         unregister_framebuffer(fb_info);
2436 #ifdef CONFIG_MTRR
2437         if (xgifb_info->mtrr >= 0)
2438                 mtrr_del(xgifb_info->mtrr, xgifb_info->video_base,
2439                         xgifb_info->video_size);
2440 #endif /* CONFIG_MTRR */
2441         iounmap(xgifb_info->mmio_vbase);
2442         iounmap(xgifb_info->video_vbase);
2443         release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
2444         release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
2445         vfree(xgifb_info->hw_info.pjVirtualRomBase);
2446         framebuffer_release(fb_info);
2447         pci_set_drvdata(pdev, NULL);
2448 }
2449
2450 static struct pci_driver xgifb_driver = {
2451         .name = "xgifb",
2452         .id_table = xgifb_pci_table,
2453         .probe = xgifb_probe,
2454         .remove = __devexit_p(xgifb_remove)
2455 };
2456
2457 static int __init xgifb_init(void)
2458 {
2459         char *option = NULL;
2460
2461         if (fb_get_options("xgifb", &option))
2462                 return -ENODEV;
2463         XGIfb_setup(option);
2464
2465         return pci_register_driver(&xgifb_driver);
2466 }
2467
2468 module_init(xgifb_init);
2469
2470 /*****************************************************/
2471 /*                      MODULE                       */
2472 /*****************************************************/
2473
2474 #ifdef MODULE
2475
2476 MODULE_DESCRIPTION("Z7 Z9 Z9S Z11 framebuffer device driver");
2477 MODULE_LICENSE("GPL");
2478 MODULE_AUTHOR("XGITECH , Others");
2479
2480 module_param(mode, charp, 0);
2481 module_param(vesa, int, 0);
2482 module_param(filter, int, 0);
2483
2484 MODULE_PARM_DESC(mode,
2485         "\nSelects the desired default display mode in the format XxYxDepth,\n"
2486         "eg. 1024x768x16.\n");
2487
2488 MODULE_PARM_DESC(vesa,
2489         "\nSelects the desired default display mode by VESA mode number, eg.\n"
2490         "0x117.\n");
2491
2492 MODULE_PARM_DESC(filter,
2493                 "\nSelects TV flicker filter type (only for systems with a SiS301 video bridge).\n"
2494                 "(Possible values 0-7, default: [no filter])\n");
2495
2496 static void __exit xgifb_remove_module(void)
2497 {
2498         pci_unregister_driver(&xgifb_driver);
2499         printk(KERN_DEBUG "xgifb: Module unloaded\n");
2500 }
2501
2502 module_exit(xgifb_remove_module);
2503
2504 #endif  /*  /MODULE  */