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                         XGIfb_mode_no = XGIbios_mode[XGIfb_mode_idx].mode_no;
 406                         found_mode = 1;
 407                         break;
 408                 }
 409                 XGIfb_mode_idx++;
 410         }
 411         if (!found_mode)
 412                 XGIfb_mode_idx = -1;
 413
 414         return XGIfb_mode_idx;
 415 }
 416
 417 static void XGIfb_search_mode(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_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(unsigned int vesamode)
 435 {
 436         int i = 0, j = 0;
 437
 438         if (vesamode == 0)
 439                 goto invalid;
 440
 441         vesamode &= 0x1dff; /* Clean VESA mode number from other flags */
 442
 443         while (XGIbios_mode[i].mode_no != 0) {
 444                 if ((XGIbios_mode[i].vesa_mode_no_1 == vesamode) ||
 445                     (XGIbios_mode[i].vesa_mode_no_2 == vesamode)) {
 446                         xgifb_mode_idx = i;
 447                         j = 1;
 448                         break;
 449                 }
 450                 i++;
 451         }
 452
 453 invalid:
 454         if (!j)
 455                 printk(KERN_INFO "XGIfb: Invalid VESA mode 0x%x'\n", vesamode);
 456 }
 457
 458 static int XGIfb_GetXG21LVDSData(struct xgifb_video_info *xgifb_info)
 459 {
 460         u8 tmp;
 461         void __iomem *data = xgifb_info->mmio_vbase + 0x20000;
 462         int i, j, k;
 463
 464         tmp = xgifb_reg_get(XGISR, 0x1e);
 465         xgifb_reg_set(XGISR, 0x1e, tmp | 4);
 466
 467         if ((readb(data) == 0x55) &&
 468             (readb(data + 1) == 0xAA) &&
 469             (readb(data + 0x65) & 0x1)) {
 470                 i = readw(data + 0x316);
 471                 j = readb(data + i - 1);
 472                 if (j == 0xff)
 473                         j = 1;
 474
 475                 k = 0;
 476                 do {
 477                         XGI21_LCDCapList[k].LVDS_Capability = readw(data + i);
 478                         XGI21_LCDCapList[k].LVDSHT = readw(data + i + 2);
 479                         XGI21_LCDCapList[k].LVDSVT = readw(data + i + 4);
 480                         XGI21_LCDCapList[k].LVDSHDE = readw(data + i + 6);
 481                         XGI21_LCDCapList[k].LVDSVDE = readw(data + i + 8);
 482                         XGI21_LCDCapList[k].LVDSHFP = readw(data + i + 10);
 483                         XGI21_LCDCapList[k].LVDSVFP = readw(data + i + 12);
 484                         XGI21_LCDCapList[k].LVDSHSYNC = readw(data + i + 14);
 485                         XGI21_LCDCapList[k].LVDSVSYNC = readw(data + i + 16);
 486                         XGI21_LCDCapList[k].VCLKData1 = readb(data + i + 18);
 487                         XGI21_LCDCapList[k].VCLKData2 = readb(data + i + 19);
 488                         XGI21_LCDCapList[k].PSC_S1 = readb(data + i + 20);
 489                         XGI21_LCDCapList[k].PSC_S2 = readb(data + i + 21);
 490                         XGI21_LCDCapList[k].PSC_S3 = readb(data + i + 22);
 491                         XGI21_LCDCapList[k].PSC_S4 = readb(data + i + 23);
 492                         XGI21_LCDCapList[k].PSC_S5 = readb(data + i + 24);
 493                         i += 25;
 494                         j--;
 495                         k++;
 496                 } while ((j > 0) && (k < (sizeof(XGI21_LCDCapList)
 497                                 / sizeof(struct XGI21_LVDSCapStruct))));
 498                 return 1;
 499         }
 500         return 0;
 501 }
 502
 503 static int XGIfb_validate_mode(struct xgifb_video_info *xgifb_info, int myindex)
 504 {
 505         u16 xres, yres;
 506         struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info;
 507
 508         if (xgifb_info->chip == XG21) {
 509                 if ((xgifb_info->disp_state & DISPTYPE_DISP2)
 510                                 == DISPTYPE_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->disp_state & DISPTYPE_DISP2) {
 536         case DISPTYPE_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 DISPTYPE_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 DISPTYPE_CRT2:
 718                 if (XGIbios_mode[myindex].xres > 1280)
 719                         return -1;
 720                 break;
 721         }
 722         return myindex;
 723
 724 }
 725
 726 static void XGIfb_search_crt2type(const char *name)
 727 {
 728         int i = 0;
 729
 730         if (name == NULL)
 731                 return;
 732
 733         while (XGI_crt2type[i].type_no != -1) {
 734                 if (!strcmp(name, XGI_crt2type[i].name)) {
 735                         XGIfb_crt2type = XGI_crt2type[i].type_no;
 736                         XGIfb_tvplug = XGI_crt2type[i].tvplug_no;
 737                         break;
 738                 }
 739                 i++;
 740         }
 741         if (XGIfb_crt2type < 0)
 742                 printk(KERN_INFO "XGIfb: Invalid CRT2 type: %s\n", name);
 743 }
 744
 745 static u8 XGIfb_search_refresh_rate(struct xgifb_video_info *xgifb_info,
 746                                     unsigned int rate)
 747 {
 748         u16 xres, yres;
 749         int i = 0;
 750
 751         xres = XGIbios_mode[xgifb_mode_idx].xres;
 752         yres = XGIbios_mode[xgifb_mode_idx].yres;
 753
 754         XGIfb_rate_idx = 0;
 755         while ((XGIfb_vrate[i].idx != 0) && (XGIfb_vrate[i].xres <= xres)) {
 756                 if ((XGIfb_vrate[i].xres == xres) &&
 757                     (XGIfb_vrate[i].yres == yres)) {
 758                         if (XGIfb_vrate[i].refresh == rate) {
 759                                 XGIfb_rate_idx = XGIfb_vrate[i].idx;
 760                                 break;
 761                         } else if (XGIfb_vrate[i].refresh > rate) {
 762                                 if ((XGIfb_vrate[i].refresh - rate) <= 3) {
 763                                         DPRINTK("XGIfb: Adjusting rate from %d up to %d\n",
 764                                                 rate, XGIfb_vrate[i].refresh);
 765                                         XGIfb_rate_idx = XGIfb_vrate[i].idx;
 766                                         xgifb_info->refresh_rate =
 767                                                 XGIfb_vrate[i].refresh;
 768                                 } else if (((rate - XGIfb_vrate[i - 1].refresh)
 769                                                 <= 2) && (XGIfb_vrate[i].idx
 770                                                 != 1)) {
 771                                         DPRINTK("XGIfb: Adjusting rate from %d down to %d\n",
 772                                                 rate, XGIfb_vrate[i-1].refresh);
 773                                         XGIfb_rate_idx = XGIfb_vrate[i - 1].idx;
 774                                         xgifb_info->refresh_rate =
 775                                                 XGIfb_vrate[i - 1].refresh;
 776                                 }
 777                                 break;
 778                         } else if ((rate - XGIfb_vrate[i].refresh) <= 2) {
 779                                 DPRINTK("XGIfb: Adjusting rate from %d down to %d\n",
 780                                         rate, XGIfb_vrate[i].refresh);
 781                                 XGIfb_rate_idx = XGIfb_vrate[i].idx;
 782                                 break;
 783                         }
 784                 }
 785                 i++;
 786         }
 787         if (XGIfb_rate_idx > 0) {
 788                 return XGIfb_rate_idx;
 789         } else {
 790                 printk(KERN_INFO "XGIfb: Unsupported rate %d for %dx%d\n",
 791                        rate, xres, yres);
 792                 return 0;
 793         }
 794 }
 795
 796 static void XGIfb_search_tvstd(const char *name)
 797 {
 798         int i = 0;
 799
 800         if (name == NULL)
 801                 return;
 802
 803         while (XGI_tvtype[i].type_no != -1) {
 804                 if (!strcmp(name, XGI_tvtype[i].name)) {
 805                         XGIfb_tvmode = XGI_tvtype[i].type_no;
 806                         break;
 807                 }
 808                 i++;
 809         }
 810 }
 811
 812 /* ----------- FBDev related routines for all series ----------- */
 813
 814 static void XGIfb_bpp_to_var(struct xgifb_video_info *xgifb_info,
 815                              struct fb_var_screeninfo *var)
 816 {
 817         switch (var->bits_per_pixel) {
 818         case 8:
 819                 var->red.offset = var->green.offset = var->blue.offset = 0;
 820                 var->red.length = var->green.length = var->blue.length = 6;
 821                 xgifb_info->video_cmap_len = 256;
 822                 break;
 823         case 16:
 824                 var->red.offset = 11;
 825                 var->red.length = 5;
 826                 var->green.offset = 5;
 827                 var->green.length = 6;
 828                 var->blue.offset = 0;
 829                 var->blue.length = 5;
 830                 var->transp.offset = 0;
 831                 var->transp.length = 0;
 832                 xgifb_info->video_cmap_len = 16;
 833                 break;
 834         case 32:
 835                 var->red.offset = 16;
 836                 var->red.length = 8;
 837                 var->green.offset = 8;
 838                 var->green.length = 8;
 839                 var->blue.offset = 0;
 840                 var->blue.length = 8;
 841                 var->transp.offset = 24;
 842                 var->transp.length = 8;
 843                 xgifb_info->video_cmap_len = 16;
 844                 break;
 845         }
 846 }
 847
 848 /* --------------------- SetMode routines ------------------------- */
 849
 850 static void XGIfb_pre_setmode(struct xgifb_video_info *xgifb_info)
 851 {
 852         u8 cr30 = 0, cr31 = 0;
 853
 854         cr31 = xgifb_reg_get(XGICR, 0x31);
 855         cr31 &= ~0x60;
 856
 857         switch (xgifb_info->disp_state & DISPTYPE_DISP2) {
 858         case DISPTYPE_CRT2:
 859                 cr30 = (XGI_VB_OUTPUT_CRT2 | XGI_SIMULTANEOUS_VIEW_ENABLE);
 860                 cr31 |= XGI_DRIVER_MODE;
 861                 break;
 862         case DISPTYPE_LCD:
 863                 cr30 = (XGI_VB_OUTPUT_LCD | XGI_SIMULTANEOUS_VIEW_ENABLE);
 864                 cr31 |= XGI_DRIVER_MODE;
 865                 break;
 866         case DISPTYPE_TV:
 867                 if (xgifb_info->TV_type == TVMODE_HIVISION)
 868                         cr30 = (XGI_VB_OUTPUT_HIVISION
 869                                         | XGI_SIMULTANEOUS_VIEW_ENABLE);
 870                 else if (xgifb_info->TV_plug == TVPLUG_SVIDEO)
 871                         cr30 = (XGI_VB_OUTPUT_SVIDEO
 872                                         | XGI_SIMULTANEOUS_VIEW_ENABLE);
 873                 else if (xgifb_info->TV_plug == TVPLUG_COMPOSITE)
 874                         cr30 = (XGI_VB_OUTPUT_COMPOSITE
 875                                         | XGI_SIMULTANEOUS_VIEW_ENABLE);
 876                 else if (xgifb_info->TV_plug == TVPLUG_SCART)
 877                         cr30 = (XGI_VB_OUTPUT_SCART
 878                                         | XGI_SIMULTANEOUS_VIEW_ENABLE);
 879                 cr31 |= XGI_DRIVER_MODE;
 880
 881                 if (XGIfb_tvmode == 1 || xgifb_info->TV_type == TVMODE_PAL)
 882                         cr31 |= 0x01;
 883                 else
 884                         cr31 &= ~0x01;
 885                 break;
 886         default: /* disable CRT2 */
 887                 cr30 = 0x00;
 888                 cr31 |= (XGI_DRIVER_MODE | XGI_VB_OUTPUT_DISABLE);
 889         }
 890
 891         xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR30, cr30);
 892         xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR31, cr31);
 893         xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR33, (XGIfb_rate_idx & 0x0F));
 894 }
 895
 896 static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info)
 897 {
 898         u8 reg;
 899         unsigned char doit = 1;
 900         /*
 901         xgifb_reg_set(XGISR,IND_XGI_PASSWORD,XGI_PASSWORD);
 902         xgifb_reg_set(XGICR, 0x13, 0x00);
 903         xgifb_reg_and_or(XGISR,0x0E, 0xF0, 0x01);
 904         *test*
 905         */
 906         if (xgifb_info->video_bpp == 8) {
 907                 /* TW: We can't switch off CRT1 on LVDS/Chrontel
 908                  * in 8bpp Modes */
 909                 if ((xgifb_info->hasVB == HASVB_LVDS) ||
 910                     (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL)) {
 911                         doit = 0;
 912                 }
 913                 /* TW: We can't switch off CRT1 on 301B-DH
 914                  * in 8bpp Modes if using LCD */
 915                 if (xgifb_info->disp_state & DISPTYPE_LCD)
 916                         doit = 0;
 917         }
 918
 919         /* TW: We can't switch off CRT1 if bridge is in slave mode */
 920         if (xgifb_info->hasVB != HASVB_NONE) {
 921                 reg = xgifb_reg_get(XGIPART1, 0x00);
 922
 923                 if ((reg & 0x50) == 0x10)
 924                         doit = 0;
 925
 926         } else {
 927                 XGIfb_crt1off = 0;
 928         }
 929
 930         reg = xgifb_reg_get(XGICR, 0x17);
 931         if ((XGIfb_crt1off) && (doit))
 932                 reg &= ~0x80;
 933         else
 934                 reg |= 0x80;
 935         xgifb_reg_set(XGICR, 0x17, reg);
 936
 937         xgifb_reg_and(XGISR, IND_XGI_RAMDAC_CONTROL, ~0x04);
 938
 939         if ((xgifb_info->disp_state & DISPTYPE_TV) && (xgifb_info->hasVB
 940                         == HASVB_301)) {
 941
 942                 reg = xgifb_reg_get(XGIPART4, 0x01);
 943
 944                 if (reg < 0xB0) { /* Set filter for XGI301 */
 945                         switch (xgifb_info->video_width) {
 946                         case 320:
 947                                 filter_tb = (xgifb_info->TV_type ==
 948                                              TVMODE_NTSC) ? 4 : 12;
 949                                 break;
 950                         case 640:
 951                                 filter_tb = (xgifb_info->TV_type ==
 952                                              TVMODE_NTSC) ? 5 : 13;
 953                                 break;
 954                         case 720:
 955                                 filter_tb = (xgifb_info->TV_type ==
 956                                              TVMODE_NTSC) ? 6 : 14;
 957                                 break;
 958                         case 800:
 959                                 filter_tb = (xgifb_info->TV_type ==
 960                                              TVMODE_NTSC) ? 7 : 15;
 961                                 break;
 962                         default:
 963                                 filter = -1;
 964                                 break;
 965                         }
 966                         xgifb_reg_or(XGIPART1, XGIfb_CRT2_write_enable, 0x01);
 967
 968                         if (xgifb_info->TV_type == TVMODE_NTSC) {
 969
 970                                 xgifb_reg_and(XGIPART2, 0x3a, 0x1f);
 971
 972                                 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
 973
 974                                         xgifb_reg_and(XGIPART2, 0x30, 0xdf);
 975
 976                                 } else if (xgifb_info->TV_plug
 977                                                 == TVPLUG_COMPOSITE) {
 978
 979                                         xgifb_reg_or(XGIPART2, 0x30, 0x20);
 980
 981                                         switch (xgifb_info->video_width) {
 982                                         case 640:
 983                                                 xgifb_reg_set(XGIPART2,
 984                                                               0x35,
 985                                                               0xEB);
 986                                                 xgifb_reg_set(XGIPART2,
 987                                                               0x36,
 988                                                               0x04);
 989                                                 xgifb_reg_set(XGIPART2,
 990                                                               0x37,
 991                                                               0x25);
 992                                                 xgifb_reg_set(XGIPART2,
 993                                                               0x38,
 994                                                               0x18);
 995                                                 break;
 996                                         case 720:
 997                                                 xgifb_reg_set(XGIPART2,
 998                                                               0x35,
 999                                                               0xEE);
1000                                                 xgifb_reg_set(XGIPART2,
1001                                                               0x36,
1002                                                               0x0C);
1003                                                 xgifb_reg_set(XGIPART2,
1004                                                               0x37,
1005                                                               0x22);
1006                                                 xgifb_reg_set(XGIPART2,
1007                                                               0x38,
1008                                                               0x08);
1009                                                 break;
1010                                         case 800:
1011                                                 xgifb_reg_set(XGIPART2,
1012                                                               0x35,
1013                                                               0xEB);
1014                                                 xgifb_reg_set(XGIPART2,
1015                                                               0x36,
1016                                                               0x15);
1017                                                 xgifb_reg_set(XGIPART2,
1018                                                               0x37,
1019                                                               0x25);
1020                                                 xgifb_reg_set(XGIPART2,
1021                                                               0x38,
1022                                                               0xF6);
1023                                                 break;
1024                                         }
1025                                 }
1026
1027                         } else if (xgifb_info->TV_type == TVMODE_PAL) {
1028
1029                                 xgifb_reg_and(XGIPART2, 0x3A, 0x1F);
1030
1031                                 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
1032
1033                                         xgifb_reg_and(XGIPART2, 0x30, 0xDF);
1034
1035                                 } else if (xgifb_info->TV_plug
1036                                                 == TVPLUG_COMPOSITE) {
1037
1038                                         xgifb_reg_or(XGIPART2, 0x30, 0x20);
1039
1040                                         switch (xgifb_info->video_width) {
1041                                         case 640:
1042                                                 xgifb_reg_set(XGIPART2,
1043                                                               0x35,
1044                                                               0xF1);
1045                                                 xgifb_reg_set(XGIPART2,
1046                                                               0x36,
1047                                                               0xF7);
1048                                                 xgifb_reg_set(XGIPART2,
1049                                                               0x37,
1050                                                               0x1F);
1051                                                 xgifb_reg_set(XGIPART2,
1052                                                               0x38,
1053                                                               0x32);
1054                                                 break;
1055                                         case 720:
1056                                                 xgifb_reg_set(XGIPART2,
1057                                                               0x35,
1058                                                               0xF3);
1059                                                 xgifb_reg_set(XGIPART2,
1060                                                               0x36,
1061                                                               0x00);
1062                                                 xgifb_reg_set(XGIPART2,
1063                                                               0x37,
1064                                                               0x1D);
1065                                                 xgifb_reg_set(XGIPART2,
1066                                                               0x38,
1067                                                               0x20);
1068                                                 break;
1069                                         case 800:
1070                                                 xgifb_reg_set(XGIPART2,
1071                                                               0x35,
1072                                                               0xFC);
1073                                                 xgifb_reg_set(XGIPART2,
1074                                                               0x36,
1075                                                               0xFB);
1076                                                 xgifb_reg_set(XGIPART2,
1077                                                               0x37,
1078                                                               0x14);
1079                                                 xgifb_reg_set(XGIPART2,
1080                                                               0x38,
1081                                                               0x2A);
1082                                                 break;
1083                                         }
1084                                 }
1085                         }
1086
1087                         if ((filter >= 0) && (filter <= 7)) {
1088                                 DPRINTK("FilterTable[%d]-%d: %02x %02x %02x %02x\n",
1089                                         filter_tb, filter,
1090                                         XGI_TV_filter[filter_tb].
1091                                                 filter[filter][0],
1092                                         XGI_TV_filter[filter_tb].
1093                                                 filter[filter][1],
1094                                         XGI_TV_filter[filter_tb].
1095                                                 filter[filter][2],
1096                                         XGI_TV_filter[filter_tb].
1097                                                 filter[filter][3]
1098                                 );
1099                                 xgifb_reg_set(
1100                                         XGIPART2,
1101                                         0x35,
1102                                         (XGI_TV_filter[filter_tb].
1103                                                 filter[filter][0]));
1104                                 xgifb_reg_set(
1105                                         XGIPART2,
1106                                         0x36,
1107                                         (XGI_TV_filter[filter_tb].
1108                                                 filter[filter][1]));
1109                                 xgifb_reg_set(
1110                                         XGIPART2,
1111                                         0x37,
1112                                         (XGI_TV_filter[filter_tb].
1113                                                 filter[filter][2]));
1114                                 xgifb_reg_set(
1115                                         XGIPART2,
1116                                         0x38,
1117                                         (XGI_TV_filter[filter_tb].
1118                                                 filter[filter][3]));
1119                         }
1120                 }
1121         }
1122 }
1123
1124 static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive,
1125                 struct fb_info *info)
1126 {
1127         struct xgifb_video_info *xgifb_info = info->par;
1128         struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info;
1129         unsigned int htotal = var->left_margin + var->xres + var->right_margin
1130                         + var->hsync_len;
1131         unsigned int vtotal = var->upper_margin + var->yres + var->lower_margin
1132                         + var->vsync_len;
1133 #if defined(__powerpc__)
1134         u8 sr_data, cr_data;
1135 #endif
1136         unsigned int drate = 0, hrate = 0;
1137         int found_mode = 0;
1138         int old_mode;
1139         /* unsigned char reg, reg1; */
1140
1141         DEBUGPRN("Inside do_set_var");
1142         /* 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); */
1143
1144         info->var.xres_virtual = var->xres_virtual;
1145         info->var.yres_virtual = var->yres_virtual;
1146         info->var.bits_per_pixel = var->bits_per_pixel;
1147
1148         if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED)
1149                 vtotal <<= 1;
1150         else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE)
1151                 vtotal <<= 2;
1152         else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
1153                 /* vtotal <<= 1; */
1154                 /* var->yres <<= 1; */
1155         }
1156
1157         if (!htotal || !vtotal) {
1158                 DPRINTK("XGIfb: Invalid 'var' information\n");
1159                 return -EINVAL;
1160         } printk(KERN_DEBUG "XGIfb: var->pixclock=%d, htotal=%d, vtotal=%d\n",
1161                         var->pixclock, htotal, vtotal);
1162
1163         if (var->pixclock && htotal && vtotal) {
1164                 drate = 1000000000 / var->pixclock;
1165                 hrate = (drate * 1000) / htotal;
1166                 xgifb_info->refresh_rate = (unsigned int) (hrate * 2
1167                                 / vtotal);
1168         } else {
1169                 xgifb_info->refresh_rate = 60;
1170         }
1171
1172         printk(KERN_DEBUG "XGIfb: Change mode to %dx%dx%d-%dHz\n",
1173                var->xres,
1174                var->yres,
1175                var->bits_per_pixel,
1176                xgifb_info->refresh_rate);
1177
1178         old_mode = xgifb_mode_idx;
1179         xgifb_mode_idx = 0;
1180
1181         while ((XGIbios_mode[xgifb_mode_idx].mode_no != 0)
1182                         && (XGIbios_mode[xgifb_mode_idx].xres <= var->xres)) {
1183                 if ((XGIbios_mode[xgifb_mode_idx].xres == var->xres)
1184                                 && (XGIbios_mode[xgifb_mode_idx].yres
1185                                                 == var->yres)
1186                                 && (XGIbios_mode[xgifb_mode_idx].bpp
1187                                                 == var->bits_per_pixel)) {
1188                         XGIfb_mode_no = XGIbios_mode[xgifb_mode_idx].mode_no;
1189                         found_mode = 1;
1190                         break;
1191                 }
1192                 xgifb_mode_idx++;
1193         }
1194
1195         if (found_mode)
1196                 xgifb_mode_idx = XGIfb_validate_mode(xgifb_info,
1197                                                      xgifb_mode_idx);
1198         else
1199                 xgifb_mode_idx = -1;
1200
1201         if (xgifb_mode_idx < 0) {
1202                 printk(KERN_ERR "XGIfb: Mode %dx%dx%d not supported\n",
1203                        var->xres, var->yres, var->bits_per_pixel);
1204                 xgifb_mode_idx = old_mode;
1205                 return -EINVAL;
1206         }
1207
1208         if (XGIfb_search_refresh_rate(xgifb_info,
1209                                       xgifb_info->refresh_rate) == 0) {
1210                 XGIfb_rate_idx = XGIbios_mode[xgifb_mode_idx].rate_idx;
1211                 xgifb_info->refresh_rate = 60;
1212         }
1213
1214         if (isactive) {
1215
1216                 XGIfb_pre_setmode(xgifb_info);
1217                 if (XGISetModeNew(hw_info, XGIfb_mode_no) == 0) {
1218                         printk(KERN_ERR "XGIfb: Setting mode[0x%x] failed\n",
1219                                XGIfb_mode_no);
1220                         return -EINVAL;
1221                 }
1222                 info->fix.line_length = ((info->var.xres_virtual
1223                                 * info->var.bits_per_pixel) >> 6);
1224
1225                 xgifb_reg_set(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD);
1226
1227                 xgifb_reg_set(XGICR, 0x13, (info->fix.line_length & 0x00ff));
1228                 xgifb_reg_set(XGISR,
1229                               0x0E,
1230                               (info->fix.line_length & 0xff00) >> 8);
1231
1232                 XGIfb_post_setmode(xgifb_info);
1233
1234                 DPRINTK("XGIfb: Set new mode: %dx%dx%d-%d\n",
1235                                 XGIbios_mode[xgifb_mode_idx].xres,
1236                                 XGIbios_mode[xgifb_mode_idx].yres,
1237                                 XGIbios_mode[xgifb_mode_idx].bpp,
1238                                 xgifb_info->refresh_rate);
1239
1240                 xgifb_info->video_bpp = XGIbios_mode[xgifb_mode_idx].bpp;
1241                 xgifb_info->video_vwidth = info->var.xres_virtual;
1242                 xgifb_info->video_width = XGIbios_mode[xgifb_mode_idx].xres;
1243                 xgifb_info->video_vheight = info->var.yres_virtual;
1244                 xgifb_info->video_height = XGIbios_mode[xgifb_mode_idx].yres;
1245                 xgifb_info->org_x = xgifb_info->org_y = 0;
1246                 xgifb_info->video_linelength = info->var.xres_virtual
1247                                 * (xgifb_info->video_bpp >> 3);
1248                 switch (xgifb_info->video_bpp) {
1249                 case 8:
1250                         xgifb_info->DstColor = 0x0000;
1251                         xgifb_info->XGI310_AccelDepth = 0x00000000;
1252                         xgifb_info->video_cmap_len = 256;
1253 #if defined(__powerpc__)
1254                         cr_data = xgifb_reg_get(XGICR, 0x4D);
1255                         xgifb_reg_set(XGICR, 0x4D, (cr_data & 0xE0));
1256 #endif
1257                         break;
1258                 case 16:
1259                         xgifb_info->DstColor = 0x8000;
1260                         xgifb_info->XGI310_AccelDepth = 0x00010000;
1261 #if defined(__powerpc__)
1262                         cr_data = xgifb_reg_get(XGICR, 0x4D);
1263                         xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x0B));
1264 #endif
1265                         xgifb_info->video_cmap_len = 16;
1266                         break;
1267                 case 32:
1268                         xgifb_info->DstColor = 0xC000;
1269                         xgifb_info->XGI310_AccelDepth = 0x00020000;
1270                         xgifb_info->video_cmap_len = 16;
1271 #if defined(__powerpc__)
1272                         cr_data = xgifb_reg_get(XGICR, 0x4D);
1273                         xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x15));
1274 #endif
1275                         break;
1276                 default:
1277                         xgifb_info->video_cmap_len = 16;
1278                         printk(KERN_ERR "XGIfb: Unsupported depth %d",
1279                                xgifb_info->video_bpp);
1280                         break;
1281                 }
1282         }
1283         XGIfb_bpp_to_var(xgifb_info, var); /*update ARGB info*/
1284         DEBUGPRN("End of do_set_var");
1285
1286         dumpVGAReg();
1287         return 0;
1288 }
1289
1290 static int XGIfb_pan_var(struct xgifb_video_info *xgifb_info,
1291                          struct fb_var_screeninfo *var)
1292 {
1293         unsigned int base;
1294
1295         /* printk("Inside pan_var"); */
1296
1297         if (var->xoffset > (var->xres_virtual - var->xres)) {
1298                 /* printk("Pan: xo: %d xv %d xr %d\n",
1299                         var->xoffset, var->xres_virtual, var->xres); */
1300                 return -EINVAL;
1301         }
1302         if (var->yoffset > (var->yres_virtual - var->yres)) {
1303                 /* printk("Pan: yo: %d yv %d yr %d\n",
1304                         var->yoffset, var->yres_virtual, var->yres); */
1305                 return -EINVAL;
1306         }
1307         base = var->yoffset * var->xres_virtual + var->xoffset;
1308
1309         /* calculate base bpp dep. */
1310         switch (var->bits_per_pixel) {
1311         case 16:
1312                 base >>= 1;
1313                 break;
1314         case 32:
1315                 break;
1316         case 8:
1317         default:
1318                 base >>= 2;
1319                 break;
1320         }
1321
1322         xgifb_reg_set(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD);
1323
1324         xgifb_reg_set(XGICR, 0x0D, base & 0xFF);
1325         xgifb_reg_set(XGICR, 0x0C, (base >> 8) & 0xFF);
1326         xgifb_reg_set(XGISR, 0x0D, (base >> 16) & 0xFF);
1327         xgifb_reg_set(XGISR, 0x37, (base >> 24) & 0x03);
1328         xgifb_reg_and_or(XGISR, 0x37, 0xDF, (base >> 21) & 0x04);
1329
1330         if (xgifb_info->disp_state & DISPTYPE_DISP2) {
1331                 xgifb_reg_or(XGIPART1, XGIfb_CRT2_write_enable, 0x01);
1332                 xgifb_reg_set(XGIPART1, 0x06, (base & 0xFF));
1333                 xgifb_reg_set(XGIPART1, 0x05, ((base >> 8) & 0xFF));
1334                 xgifb_reg_set(XGIPART1, 0x04, ((base >> 16) & 0xFF));
1335                 xgifb_reg_and_or(XGIPART1,
1336                                  0x02,
1337                                  0x7F,
1338                                  ((base >> 24) & 0x01) << 7);
1339         }
1340         /* printk("End of pan_var"); */
1341         return 0;
1342 }
1343
1344 static int XGIfb_open(struct fb_info *info, int user)
1345 {
1346         return 0;
1347 }
1348
1349 static int XGIfb_release(struct fb_info *info, int user)
1350 {
1351         return 0;
1352 }
1353
1354 static int XGIfb_get_cmap_len(const struct fb_var_screeninfo *var)
1355 {
1356         int rc = 16;
1357
1358         switch (var->bits_per_pixel) {
1359         case 8:
1360                 rc = 256;
1361                 break;
1362         case 16:
1363                 rc = 16;
1364                 break;
1365         case 32:
1366                 rc = 16;
1367                 break;
1368         }
1369         return rc;
1370 }
1371
1372 static int XGIfb_setcolreg(unsigned regno, unsigned red, unsigned green,
1373                 unsigned blue, unsigned transp, struct fb_info *info)
1374 {
1375         struct xgifb_video_info *xgifb_info = info->par;
1376
1377         if (regno >= XGIfb_get_cmap_len(&info->var))
1378                 return 1;
1379
1380         switch (info->var.bits_per_pixel) {
1381         case 8:
1382                 outb(regno, XGIDACA);
1383                 outb((red >> 10), XGIDACD);
1384                 outb((green >> 10), XGIDACD);
1385                 outb((blue >> 10), XGIDACD);
1386                 if (xgifb_info->disp_state & DISPTYPE_DISP2) {
1387                         outb(regno, XGIDAC2A);
1388                         outb((red >> 8), XGIDAC2D);
1389                         outb((green >> 8), XGIDAC2D);
1390                         outb((blue >> 8), XGIDAC2D);
1391                 }
1392                 break;
1393         case 16:
1394                 ((u32 *) (info->pseudo_palette))[regno] = ((red & 0xf800))
1395                                 | ((green & 0xfc00) >> 5) | ((blue & 0xf800)
1396                                 >> 11);
1397                 break;
1398         case 32:
1399                 red >>= 8;
1400                 green >>= 8;
1401                 blue >>= 8;
1402                 ((u32 *) (info->pseudo_palette))[regno] = (red << 16) | (green
1403                                 << 8) | (blue);
1404                 break;
1405         }
1406         return 0;
1407 }
1408
1409 /* ----------- FBDev related routines for all series ---------- */
1410
1411 static int XGIfb_get_fix(struct fb_fix_screeninfo *fix, int con,
1412                 struct fb_info *info)
1413 {
1414         struct xgifb_video_info *xgifb_info = info->par;
1415
1416         DEBUGPRN("inside get_fix");
1417         memset(fix, 0, sizeof(struct fb_fix_screeninfo));
1418
1419         fix->smem_start = xgifb_info->video_base;
1420
1421         fix->smem_len = xgifb_info->video_size;
1422
1423         fix->type = FB_TYPE_PACKED_PIXELS;
1424         fix->type_aux = 0;
1425         if (xgifb_info->video_bpp == 8)
1426                 fix->visual = FB_VISUAL_PSEUDOCOLOR;
1427         else
1428                 fix->visual = FB_VISUAL_DIRECTCOLOR;
1429         fix->xpanstep = 0;
1430         if (XGIfb_ypan)
1431                 fix->ypanstep = 1;
1432         fix->ywrapstep = 0;
1433         fix->line_length = xgifb_info->video_linelength;
1434         fix->mmio_start = xgifb_info->mmio_base;
1435         fix->mmio_len = xgifb_info->mmio_size;
1436         fix->accel = FB_ACCEL_XGI_XABRE;
1437
1438         DEBUGPRN("end of get_fix");
1439         return 0;
1440 }
1441
1442 static int XGIfb_set_par(struct fb_info *info)
1443 {
1444         int err;
1445
1446         /* printk("XGIfb: inside set_par\n"); */
1447         err = XGIfb_do_set_var(&info->var, 1, info);
1448         if (err)
1449                 return err;
1450         XGIfb_get_fix(&info->fix, -1, info);
1451         /* printk("XGIfb: end of set_par\n"); */
1452         return 0;
1453 }
1454
1455 static int XGIfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
1456 {
1457         struct xgifb_video_info *xgifb_info = info->par;
1458         unsigned int htotal = var->left_margin + var->xres + var->right_margin
1459                         + var->hsync_len;
1460         unsigned int vtotal = 0;
1461         unsigned int drate = 0, hrate = 0;
1462         int found_mode = 0;
1463         int refresh_rate, search_idx;
1464
1465         DEBUGPRN("Inside check_var");
1466
1467         if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) {
1468                 vtotal = var->upper_margin + var->yres + var->lower_margin
1469                                 + var->vsync_len;
1470                 vtotal <<= 1;
1471         } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) {
1472                 vtotal = var->upper_margin + var->yres + var->lower_margin
1473                                 + var->vsync_len;
1474                 vtotal <<= 2;
1475         } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
1476                 vtotal = var->upper_margin + (var->yres / 2)
1477                                 + var->lower_margin + var->vsync_len;
1478         } else
1479                 vtotal = var->upper_margin + var->yres + var->lower_margin
1480                                 + var->vsync_len;
1481
1482         if (!(htotal) || !(vtotal))
1483                 XGIFAIL("XGIfb: no valid timing data");
1484
1485         if (var->pixclock && htotal && vtotal) {
1486                 drate = 1000000000 / var->pixclock;
1487                 hrate = (drate * 1000) / htotal;
1488                 xgifb_info->refresh_rate =
1489                         (unsigned int) (hrate * 2 / vtotal);
1490                 printk(KERN_DEBUG
1491                         "%s: pixclock = %d ,htotal=%d, vtotal=%d\n"
1492                         "%s: drate=%d, hrate=%d, refresh_rate=%d\n",
1493                         __func__, var->pixclock, htotal, vtotal,
1494                         __func__, drate, hrate, xgifb_info->refresh_rate);
1495         } else {
1496                 xgifb_info->refresh_rate = 60;
1497         }
1498
1499         /*
1500         if ((var->pixclock) && (htotal)) {
1501                 drate = 1E12 / var->pixclock;
1502                 hrate = drate / htotal;
1503                 refresh_rate = (unsigned int) (hrate / vtotal * 2 + 0.5);
1504         } else {
1505                 refresh_rate = 60;
1506         }
1507         */
1508         /* TW: Calculation wrong for 1024x600 - force it to 60Hz */
1509         if ((var->xres == 1024) && (var->yres == 600))
1510                 refresh_rate = 60;
1511
1512         search_idx = 0;
1513         while ((XGIbios_mode[search_idx].mode_no != 0) &&
1514                 (XGIbios_mode[search_idx].xres <= var->xres)) {
1515                 if ((XGIbios_mode[search_idx].xres == var->xres) &&
1516                         (XGIbios_mode[search_idx].yres == var->yres) &&
1517                         (XGIbios_mode[search_idx].bpp == var->bits_per_pixel)) {
1518                         if (XGIfb_validate_mode(xgifb_info, search_idx) > 0) {
1519                                 found_mode = 1;
1520                                 break;
1521                         }
1522                 }
1523                 search_idx++;
1524         }
1525
1526         if (!found_mode) {
1527
1528                 printk(KERN_ERR "XGIfb: %dx%dx%d is no valid mode\n",
1529                         var->xres, var->yres, var->bits_per_pixel);
1530                 search_idx = 0;
1531                 while (XGIbios_mode[search_idx].mode_no != 0) {
1532                         if ((var->xres <= XGIbios_mode[search_idx].xres) &&
1533                             (var->yres <= XGIbios_mode[search_idx].yres) &&
1534                             (var->bits_per_pixel ==
1535                              XGIbios_mode[search_idx].bpp)) {
1536                                 if (XGIfb_validate_mode(xgifb_info,
1537                                                         search_idx) > 0) {
1538                                         found_mode = 1;
1539                                         break;
1540                                 }
1541                         }
1542                         search_idx++;
1543                 }
1544                 if (found_mode) {
1545                         var->xres = XGIbios_mode[search_idx].xres;
1546                         var->yres = XGIbios_mode[search_idx].yres;
1547                         printk(KERN_DEBUG "XGIfb: Adapted to mode %dx%dx%d\n",
1548                                 var->xres, var->yres, var->bits_per_pixel);
1549
1550                 } else {
1551                         printk(KERN_ERR "XGIfb: Failed to find similar mode to %dx%dx%d\n",
1552                                 var->xres, var->yres, var->bits_per_pixel);
1553                         return -EINVAL;
1554                 }
1555         }
1556
1557         /* TW: TODO: Check the refresh rate */
1558
1559         /* Adapt RGB settings */
1560         XGIfb_bpp_to_var(xgifb_info, var);
1561
1562         /* Sanity check for offsets */
1563         if (var->xoffset < 0)
1564                 var->xoffset = 0;
1565         if (var->yoffset < 0)
1566                 var->yoffset = 0;
1567
1568         if (!XGIfb_ypan) {
1569                 if (var->xres != var->xres_virtual)
1570                         var->xres_virtual = var->xres;
1571                 if (var->yres != var->yres_virtual)
1572                         var->yres_virtual = var->yres;
1573         } /* else { */
1574                 /* TW: Now patch yres_virtual if we use panning */
1575                 /* May I do this? */
1576                 /* var->yres_virtual = xgifb_info->heapstart /
1577                         (var->xres * (var->bits_per_pixel >> 3)); */
1578                 /* if (var->yres_virtual <= var->yres) { */
1579                 /* TW: Paranoia check */
1580                 /* var->yres_virtual = var->yres; */
1581                 /* } */
1582         /* } */
1583
1584         /* Truncate offsets to maximum if too high */
1585         if (var->xoffset > var->xres_virtual - var->xres)
1586                 var->xoffset = var->xres_virtual - var->xres - 1;
1587
1588         if (var->yoffset > var->yres_virtual - var->yres)
1589                 var->yoffset = var->yres_virtual - var->yres - 1;
1590
1591         /* Set everything else to 0 */
1592         var->red.msb_right =
1593         var->green.msb_right =
1594         var->blue.msb_right =
1595         var->transp.offset = var->transp.length = var->transp.msb_right = 0;
1596
1597         DEBUGPRN("end of check_var");
1598         return 0;
1599 }
1600
1601 static int XGIfb_pan_display(struct fb_var_screeninfo *var,
1602                 struct fb_info *info)
1603 {
1604         int err;
1605         struct xgifb_video_info *xgifb_info = info->par;
1606
1607         /* printk("\nInside pan_display:\n"); */
1608
1609         if (var->xoffset > (var->xres_virtual - var->xres))
1610                 return -EINVAL;
1611         if (var->yoffset > (var->yres_virtual - var->yres))
1612                 return -EINVAL;
1613
1614         if (var->vmode & FB_VMODE_YWRAP) {
1615                 if (var->yoffset < 0 || var->yoffset >= info->var.yres_virtual
1616                                 || var->xoffset)
1617                         return -EINVAL;
1618         } else {
1619                 if (var->xoffset + info->var.xres > info->var.xres_virtual
1620                                 || var->yoffset + info->var.yres
1621                                                 > info->var.yres_virtual)
1622                         return -EINVAL;
1623         }
1624         err = XGIfb_pan_var(xgifb_info, var);
1625         if (err < 0)
1626                 return err;
1627
1628         info->var.xoffset = var->xoffset;
1629         info->var.yoffset = var->yoffset;
1630         if (var->vmode & FB_VMODE_YWRAP)
1631                 info->var.vmode |= FB_VMODE_YWRAP;
1632         else
1633                 info->var.vmode &= ~FB_VMODE_YWRAP;
1634
1635         /* printk("End of pan_display\n"); */
1636         return 0;
1637 }
1638
1639 static int XGIfb_blank(int blank, struct fb_info *info)
1640 {
1641         u8 reg;
1642
1643         reg = xgifb_reg_get(XGICR, 0x17);
1644
1645         if (blank > 0)
1646                 reg &= 0x7f;
1647         else
1648                 reg |= 0x80;
1649
1650         xgifb_reg_set(XGICR, 0x17, reg);
1651         xgifb_reg_set(XGISR, 0x00, 0x01); /* Synchronous Reset */
1652         xgifb_reg_set(XGISR, 0x00, 0x03); /* End Reset */
1653         return 0;
1654 }
1655
1656 static struct fb_ops XGIfb_ops = {
1657         .owner = THIS_MODULE,
1658         .fb_open = XGIfb_open,
1659         .fb_release = XGIfb_release,
1660         .fb_check_var = XGIfb_check_var,
1661         .fb_set_par = XGIfb_set_par,
1662         .fb_setcolreg = XGIfb_setcolreg,
1663         .fb_pan_display = XGIfb_pan_display,
1664         .fb_blank = XGIfb_blank,
1665         .fb_fillrect = cfb_fillrect,
1666         .fb_copyarea = cfb_copyarea,
1667         .fb_imageblit = cfb_imageblit,
1668         /* .fb_mmap = XGIfb_mmap, */
1669 };
1670
1671 /* ---------------- Chip generation dependent routines ---------------- */
1672
1673 /* for XGI 315/550/650/740/330 */
1674
1675 static int XGIfb_get_dram_size(struct xgifb_video_info *xgifb_info)
1676 {
1677
1678         u8 ChannelNum, tmp;
1679         u8 reg = 0;
1680
1681         /* xorg driver sets 32MB * 1 channel */
1682         if (xgifb_info->chip == XG27)
1683                 xgifb_reg_set(XGISR, IND_XGI_DRAM_SIZE, 0x51);
1684
1685         reg = xgifb_reg_get(XGISR, IND_XGI_DRAM_SIZE);
1686         switch ((reg & XGI_DRAM_SIZE_MASK) >> 4) {
1687         case XGI_DRAM_SIZE_1MB:
1688                 xgifb_info->video_size = 0x100000;
1689                 break;
1690         case XGI_DRAM_SIZE_2MB:
1691                 xgifb_info->video_size = 0x200000;
1692                 break;
1693         case XGI_DRAM_SIZE_4MB:
1694                 xgifb_info->video_size = 0x400000;
1695                 break;
1696         case XGI_DRAM_SIZE_8MB:
1697                 xgifb_info->video_size = 0x800000;
1698                 break;
1699         case XGI_DRAM_SIZE_16MB:
1700                 xgifb_info->video_size = 0x1000000;
1701                 break;
1702         case XGI_DRAM_SIZE_32MB:
1703                 xgifb_info->video_size = 0x2000000;
1704                 break;
1705         case XGI_DRAM_SIZE_64MB:
1706                 xgifb_info->video_size = 0x4000000;
1707                 break;
1708         case XGI_DRAM_SIZE_128MB:
1709                 xgifb_info->video_size = 0x8000000;
1710                 break;
1711         case XGI_DRAM_SIZE_256MB:
1712                 xgifb_info->video_size = 0x10000000;
1713                 break;
1714         default:
1715                 return -1;
1716         }
1717
1718         tmp = (reg & 0x0c) >> 2;
1719         switch (xgifb_info->chip) {
1720         case XG20:
1721         case XG21:
1722         case XG27:
1723                 ChannelNum = 1;
1724                 break;
1725
1726         case XG42:
1727                 if (reg & 0x04)
1728                         ChannelNum = 2;
1729                 else
1730                         ChannelNum = 1;
1731                 break;
1732
1733         case XG45:
1734                 if (tmp == 1)
1735                         ChannelNum = 2;
1736                 else if (tmp == 2)
1737                         ChannelNum = 3;
1738                 else if (tmp == 3)
1739                         ChannelNum = 4;
1740                 else
1741                         ChannelNum = 1;
1742                 break;
1743
1744         case XG40:
1745         default:
1746                 if (tmp == 2)
1747                         ChannelNum = 2;
1748                 else if (tmp == 3)
1749                         ChannelNum = 3;
1750                 else
1751                         ChannelNum = 1;
1752                 break;
1753         }
1754
1755         xgifb_info->video_size = xgifb_info->video_size * ChannelNum;
1756         /* PLiad fixed for benchmarking and fb set */
1757         /* xgifb_info->video_size = 0x200000; */ /* 1024x768x16 */
1758         /* xgifb_info->video_size = 0x1000000; */ /* benchmark */
1759
1760         printk("XGIfb: SR14=%x DramSzie %x ChannelNum %x\n",
1761                reg,
1762                xgifb_info->video_size, ChannelNum);
1763         return 0;
1764
1765 }
1766
1767 static void XGIfb_detect_VB(struct xgifb_video_info *xgifb_info)
1768 {
1769         u8 cr32, temp = 0;
1770
1771         xgifb_info->TV_plug = xgifb_info->TV_type = 0;
1772
1773         switch (xgifb_info->hasVB) {
1774         case HASVB_LVDS_CHRONTEL:
1775         case HASVB_CHRONTEL:
1776                 break;
1777         case HASVB_301:
1778         case HASVB_302:
1779                 /* XGI_Sense30x(); */ /* Yi-Lin TV Sense? */
1780                 break;
1781         }
1782
1783         cr32 = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR32);
1784
1785         if ((cr32 & XGI_CRT1) && !XGIfb_crt1off)
1786                 XGIfb_crt1off = 0;
1787         else {
1788                 if (cr32 & 0x5F)
1789                         XGIfb_crt1off = 1;
1790                 else
1791                         XGIfb_crt1off = 0;
1792         }
1793
1794         if (XGIfb_crt2type != -1)
1795                 /* TW: Override with option */
1796                 xgifb_info->disp_state = XGIfb_crt2type;
1797         else if (cr32 & XGI_VB_TV)
1798                 xgifb_info->disp_state = DISPTYPE_TV;
1799         else if (cr32 & XGI_VB_LCD)
1800                 xgifb_info->disp_state = DISPTYPE_LCD;
1801         else if (cr32 & XGI_VB_CRT2)
1802                 xgifb_info->disp_state = DISPTYPE_CRT2;
1803         else
1804                 xgifb_info->disp_state = 0;
1805
1806         if (XGIfb_tvplug != -1)
1807                 /* PR/TW: Override with option */
1808                 xgifb_info->TV_plug = XGIfb_tvplug;
1809         else if (cr32 & XGI_VB_HIVISION) {
1810                 xgifb_info->TV_type = TVMODE_HIVISION;
1811                 xgifb_info->TV_plug = TVPLUG_SVIDEO;
1812         } else if (cr32 & XGI_VB_SVIDEO)
1813                 xgifb_info->TV_plug = TVPLUG_SVIDEO;
1814         else if (cr32 & XGI_VB_COMPOSITE)
1815                 xgifb_info->TV_plug = TVPLUG_COMPOSITE;
1816         else if (cr32 & XGI_VB_SCART)
1817                 xgifb_info->TV_plug = TVPLUG_SCART;
1818
1819         if (xgifb_info->TV_type == 0) {
1820                 temp = xgifb_reg_get(XGICR, 0x38);
1821                 if (temp & 0x10)
1822                         xgifb_info->TV_type = TVMODE_PAL;
1823                 else
1824                         xgifb_info->TV_type = TVMODE_NTSC;
1825         }
1826
1827         /* TW: Copy forceCRT1 option to CRT1off if option is given */
1828         if (XGIfb_forcecrt1 != -1) {
1829                 if (XGIfb_forcecrt1)
1830                         XGIfb_crt1off = 0;
1831                 else
1832                         XGIfb_crt1off = 1;
1833         }
1834 }
1835
1836 static int XGIfb_has_VB(struct xgifb_video_info *xgifb_info)
1837 {
1838         u8 vb_chipid;
1839
1840         vb_chipid = xgifb_reg_get(XGIPART4, 0x00);
1841         switch (vb_chipid) {
1842         case 0x01:
1843                 xgifb_info->hasVB = HASVB_301;
1844                 break;
1845         case 0x02:
1846                 xgifb_info->hasVB = HASVB_302;
1847                 break;
1848         default:
1849                 xgifb_info->hasVB = HASVB_NONE;
1850                 return 0;
1851         }
1852         return 1;
1853 }
1854
1855 static void XGIfb_get_VB_type(struct xgifb_video_info *xgifb_info)
1856 {
1857         u8 reg;
1858
1859         if (!XGIfb_has_VB(xgifb_info)) {
1860                 reg = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR37);
1861                 switch ((reg & XGI_EXTERNAL_CHIP_MASK) >> 1) {
1862                 case XGI310_EXTERNAL_CHIP_LVDS:
1863                         xgifb_info->hasVB = HASVB_LVDS;
1864                         break;
1865                 case XGI310_EXTERNAL_CHIP_LVDS_CHRONTEL:
1866                         xgifb_info->hasVB = HASVB_LVDS_CHRONTEL;
1867                         break;
1868                 default:
1869                         break;
1870                 }
1871         }
1872 }
1873
1874 static int __init xgifb_optval(char *fullopt, int validx)
1875 {
1876         unsigned long lres;
1877
1878         if (kstrtoul(fullopt + validx, 0, &lres) < 0 || lres > INT_MAX) {
1879                 pr_err("xgifb: invalid value for option: %s\n", fullopt);
1880                 return 0;
1881         }
1882         return lres;
1883 }
1884
1885 static int __init XGIfb_setup(char *options)
1886 {
1887         char *this_opt;
1888
1889         if (!options || !*options)
1890                 return 0;
1891
1892         pr_info("xgifb: options: %s\n", options);
1893
1894         while ((this_opt = strsep(&options, ",")) != NULL) {
1895
1896                 if (!*this_opt)
1897                         continue;
1898
1899                 if (!strncmp(this_opt, "mode:", 5)) {
1900                         mode = this_opt + 5;
1901                 } else if (!strncmp(this_opt, "vesa:", 5)) {
1902                         vesa = xgifb_optval(this_opt, 5);
1903                 } else if (!strncmp(this_opt, "vrate:", 6)) {
1904                         refresh_rate = xgifb_optval(this_opt, 6);
1905                 } else if (!strncmp(this_opt, "rate:", 5)) {
1906                         refresh_rate = xgifb_optval(this_opt, 5);
1907                 } else if (!strncmp(this_opt, "crt1off", 7)) {
1908                         XGIfb_crt1off = 1;
1909                 } else if (!strncmp(this_opt, "filter:", 7)) {
1910                         filter = xgifb_optval(this_opt, 7);
1911                 } else if (!strncmp(this_opt, "forcecrt2type:", 14)) {
1912                         XGIfb_search_crt2type(this_opt + 14);
1913                 } else if (!strncmp(this_opt, "forcecrt1:", 10)) {
1914                         XGIfb_forcecrt1 = xgifb_optval(this_opt, 10);
1915                 } else if (!strncmp(this_opt, "tvmode:", 7)) {
1916                         XGIfb_search_tvstd(this_opt + 7);
1917                 } else if (!strncmp(this_opt, "tvstandard:", 11)) {
1918                         XGIfb_search_tvstd(this_opt + 7);
1919                 } else if (!strncmp(this_opt, "dstn", 4)) {
1920                         enable_dstn = 1;
1921                         /* TW: DSTN overrules forcecrt2type */
1922                         XGIfb_crt2type = DISPTYPE_LCD;
1923                 } else if (!strncmp(this_opt, "noypan", 6)) {
1924                         XGIfb_ypan = 0;
1925                 } else if (!strncmp(this_opt, "userom:", 7)) {
1926                         XGIfb_userom = xgifb_optval(this_opt, 7);
1927                 } else {
1928                         mode = this_opt;
1929                 }
1930         }
1931         return 0;
1932 }
1933
1934 static unsigned char *xgifb_copy_rom(struct pci_dev *dev)
1935 {
1936         void __iomem *rom_address;
1937         unsigned char *rom_copy;
1938         size_t rom_size;
1939
1940         rom_address = pci_map_rom(dev, &rom_size);
1941         if (rom_address == NULL)
1942                 return NULL;
1943
1944         rom_copy = vzalloc(XGIFB_ROM_SIZE);
1945         if (rom_copy == NULL)
1946                 goto done;
1947
1948         rom_size = min_t(size_t, rom_size, XGIFB_ROM_SIZE);
1949         memcpy_fromio(rom_copy, rom_address, rom_size);
1950
1951 done:
1952         pci_unmap_rom(dev, rom_address);
1953         return rom_copy;
1954 }
1955
1956 static int __devinit xgifb_probe(struct pci_dev *pdev,
1957                 const struct pci_device_id *ent)
1958 {
1959         u8 reg, reg1;
1960         u8 CR48, CR38;
1961         int ret;
1962         bool xgi21_drvlcdcaplist = false;
1963         struct fb_info *fb_info;
1964         struct xgifb_video_info *xgifb_info;
1965         struct xgi_hw_device_info *hw_info;
1966
1967         fb_info = framebuffer_alloc(sizeof(*xgifb_info), &pdev->dev);
1968         if (!fb_info)
1969                 return -ENOMEM;
1970
1971         xgifb_info = fb_info->par;
1972         hw_info = &xgifb_info->hw_info;
1973         xgifb_info->fb_info = fb_info;
1974         xgifb_info->chip_id = pdev->device;
1975         pci_read_config_byte(pdev,
1976                              PCI_REVISION_ID,
1977                              &xgifb_info->revision_id);
1978         hw_info->jChipRevision = xgifb_info->revision_id;
1979
1980         xgifb_info->pcibus = pdev->bus->number;
1981         xgifb_info->pcislot = PCI_SLOT(pdev->devfn);
1982         xgifb_info->pcifunc = PCI_FUNC(pdev->devfn);
1983         xgifb_info->subsysvendor = pdev->subsystem_vendor;
1984         xgifb_info->subsysdevice = pdev->subsystem_device;
1985
1986         xgifb_info->video_base = pci_resource_start(pdev, 0);
1987         xgifb_info->mmio_base = pci_resource_start(pdev, 1);
1988         xgifb_info->mmio_size = pci_resource_len(pdev, 1);
1989         xgifb_info->vga_base = pci_resource_start(pdev, 2) + 0x30;
1990         hw_info->pjIOAddress = (unsigned char *)xgifb_info->vga_base;
1991         /* XGI_Pr.RelIO  = ioremap(pci_resource_start(pdev, 2), 128) + 0x30; */
1992         printk("XGIfb: Relocate IO address: %lx [%08lx]\n",
1993                (unsigned long)pci_resource_start(pdev, 2), XGI_Pr.RelIO);
1994
1995         if (pci_enable_device(pdev)) {
1996                 ret = -EIO;
1997                 goto error;
1998         }
1999
2000         XGIRegInit(&XGI_Pr, (unsigned long)hw_info->pjIOAddress);
2001
2002         xgifb_reg_set(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD);
2003         reg1 = xgifb_reg_get(XGISR, IND_XGI_PASSWORD);
2004
2005         if (reg1 != 0xa1) { /*I/O error */
2006                 printk("\nXGIfb: I/O error!!!");
2007                 ret = -EIO;
2008                 goto error;
2009         }
2010
2011         switch (xgifb_info->chip_id) {
2012         case PCI_DEVICE_ID_XG_20:
2013                 xgifb_reg_or(XGICR, Index_CR_GPIO_Reg3, GPIOG_EN);
2014                 CR48 = xgifb_reg_get(XGICR, Index_CR_GPIO_Reg1);
2015                 if (CR48&GPIOG_READ)
2016                         xgifb_info->chip = XG21;
2017                 else
2018                         xgifb_info->chip = XG20;
2019                 XGIfb_CRT2_write_enable = IND_XGI_CRT2_WRITE_ENABLE_315;
2020                 break;
2021         case PCI_DEVICE_ID_XG_40:
2022                 xgifb_info->chip = XG40;
2023                 XGIfb_CRT2_write_enable = IND_XGI_CRT2_WRITE_ENABLE_315;
2024                 break;
2025         case PCI_DEVICE_ID_XG_41:
2026                 xgifb_info->chip = XG41;
2027                 XGIfb_CRT2_write_enable = IND_XGI_CRT2_WRITE_ENABLE_315;
2028                 break;
2029         case PCI_DEVICE_ID_XG_42:
2030                 xgifb_info->chip = XG42;
2031                 XGIfb_CRT2_write_enable = IND_XGI_CRT2_WRITE_ENABLE_315;
2032                 break;
2033         case PCI_DEVICE_ID_XG_27:
2034                 xgifb_info->chip = XG27;
2035                 XGIfb_CRT2_write_enable = IND_XGI_CRT2_WRITE_ENABLE_315;
2036                 break;
2037         default:
2038                 ret = -ENODEV;
2039                 goto error;
2040         }
2041
2042         printk("XGIfb:chipid = %x\n", xgifb_info->chip);
2043         hw_info->jChipType = xgifb_info->chip;
2044
2045         if ((xgifb_info->chip == XG21) || (XGIfb_userom)) {
2046                 hw_info->pjVirtualRomBase = xgifb_copy_rom(pdev);
2047                 if (hw_info->pjVirtualRomBase)
2048                         printk(KERN_INFO "XGIfb: Video ROM found and mapped to %p\n",
2049                                hw_info->pjVirtualRomBase);
2050                 else
2051                         printk(KERN_INFO "XGIfb: Video ROM not found\n");
2052         } else {
2053                 hw_info->pjVirtualRomBase = NULL;
2054                 printk(KERN_INFO "XGIfb: Video ROM usage disabled\n");
2055         }
2056
2057         if (XGIfb_get_dram_size(xgifb_info)) {
2058                 printk(KERN_INFO "XGIfb: Fatal error: Unable to determine RAM size.\n");
2059                 ret = -ENODEV;
2060                 goto error;
2061         }
2062
2063         /* Enable PCI_LINEAR_ADDRESSING and MMIO_ENABLE  */
2064         xgifb_reg_or(XGISR,
2065                      IND_XGI_PCI_ADDRESS_SET,
2066                      (XGI_PCI_ADDR_ENABLE | XGI_MEM_MAP_IO_ENABLE));
2067         /* Enable 2D accelerator engine */
2068         xgifb_reg_or(XGISR, IND_XGI_MODULE_ENABLE, XGI_ENABLE_2D);
2069
2070         hw_info->ulVideoMemorySize = xgifb_info->video_size;
2071
2072         if (!request_mem_region(xgifb_info->video_base,
2073                                 xgifb_info->video_size,
2074                                 "XGIfb FB")) {
2075                 printk("unable request memory size %x",
2076                        xgifb_info->video_size);
2077                 printk(KERN_ERR "XGIfb: Fatal error: Unable to reserve frame buffer memory\n");
2078                 printk(KERN_ERR "XGIfb: Is there another framebuffer driver active?\n");
2079                 ret = -ENODEV;
2080                 goto error;
2081         }
2082
2083         if (!request_mem_region(xgifb_info->mmio_base,
2084                                 xgifb_info->mmio_size,
2085                                 "XGIfb MMIO")) {
2086                 printk(KERN_ERR "XGIfb: Fatal error: Unable to reserve MMIO region\n");
2087                 ret = -ENODEV;
2088                 goto error_0;
2089         }
2090
2091         xgifb_info->video_vbase = hw_info->pjVideoMemoryAddress =
2092         ioremap(xgifb_info->video_base, xgifb_info->video_size);
2093         xgifb_info->mmio_vbase = ioremap(xgifb_info->mmio_base,
2094                                             xgifb_info->mmio_size);
2095
2096         printk(KERN_INFO "XGIfb: Framebuffer at 0x%lx, mapped to 0x%p, size %dk\n",
2097                xgifb_info->video_base,
2098                xgifb_info->video_vbase,
2099                xgifb_info->video_size / 1024);
2100
2101         printk(KERN_INFO "XGIfb: MMIO at 0x%lx, mapped to 0x%p, size %ldk\n",
2102                xgifb_info->mmio_base, xgifb_info->mmio_vbase,
2103                xgifb_info->mmio_size / 1024);
2104         printk("XGIfb: XGIInitNew() ...");
2105         pci_set_drvdata(pdev, xgifb_info);
2106         if (XGIInitNew(pdev))
2107                 printk("OK\n");
2108         else
2109                 printk("Fail\n");
2110
2111         xgifb_info->mtrr = (unsigned int) 0;
2112
2113         xgifb_info->hasVB = HASVB_NONE;
2114         if ((xgifb_info->chip == XG20) ||
2115             (xgifb_info->chip == XG27)) {
2116                 xgifb_info->hasVB = HASVB_NONE;
2117         } else if (xgifb_info->chip == XG21) {
2118                 CR38 = xgifb_reg_get(XGICR, 0x38);
2119                 if ((CR38&0xE0) == 0xC0) {
2120                         xgifb_info->disp_state = DISPTYPE_LCD;
2121                         if (!XGIfb_GetXG21LVDSData(xgifb_info))
2122                                 xgi21_drvlcdcaplist = true;
2123                 } else if ((CR38&0xE0) == 0x60) {
2124                         xgifb_info->hasVB = HASVB_CHRONTEL;
2125                 } else {
2126                         xgifb_info->hasVB = HASVB_NONE;
2127                 }
2128         } else {
2129                 XGIfb_get_VB_type(xgifb_info);
2130         }
2131
2132         hw_info->ujVBChipID = VB_CHIP_UNKNOWN;
2133
2134         hw_info->ulExternalChip = 0;
2135
2136         switch (xgifb_info->hasVB) {
2137         case HASVB_301:
2138                 reg = xgifb_reg_get(XGIPART4, 0x01);
2139                 if (reg >= 0xE0) {
2140                         hw_info->ujVBChipID = VB_CHIP_302LV;
2141                         printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n", reg);
2142                 } else if (reg >= 0xD0) {
2143                         hw_info->ujVBChipID = VB_CHIP_301LV;
2144                         printk(KERN_INFO "XGIfb: XGI301LV bridge detected (revision 0x%02x)\n", reg);
2145                 }
2146                 /* else if (reg >= 0xB0) {
2147                         hw_info->ujVBChipID = VB_CHIP_301B;
2148                         reg1 = xgifb_reg_get(XGIPART4, 0x23);
2149                         printk("XGIfb: XGI301B bridge detected\n");
2150                 } */
2151                 else {
2152                         hw_info->ujVBChipID = VB_CHIP_301;
2153                         printk("XGIfb: XGI301 bridge detected\n");
2154                 }
2155                 break;
2156         case HASVB_302:
2157                 reg = xgifb_reg_get(XGIPART4, 0x01);
2158                 if (reg >= 0xE0) {
2159                         hw_info->ujVBChipID = VB_CHIP_302LV;
2160                         printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n", reg);
2161                 } else if (reg >= 0xD0) {
2162                         hw_info->ujVBChipID = VB_CHIP_301LV;
2163                         printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n", reg);
2164                 } else if (reg >= 0xB0) {
2165                         reg1 = xgifb_reg_get(XGIPART4, 0x23);
2166
2167                         hw_info->ujVBChipID = VB_CHIP_302B;
2168
2169                 } else {
2170                         hw_info->ujVBChipID = VB_CHIP_302;
2171                         printk(KERN_INFO "XGIfb: XGI302 bridge detected\n");
2172                 }
2173                 break;
2174         case HASVB_LVDS:
2175                 hw_info->ulExternalChip = 0x1;
2176                 printk(KERN_INFO "XGIfb: LVDS transmitter detected\n");
2177                 break;
2178         case HASVB_TRUMPION:
2179                 hw_info->ulExternalChip = 0x2;
2180                 printk(KERN_INFO "XGIfb: Trumpion Zurac LVDS scaler detected\n");
2181                 break;
2182         case HASVB_CHRONTEL:
2183                 hw_info->ulExternalChip = 0x4;
2184                 printk(KERN_INFO "XGIfb: Chrontel TV encoder detected\n");
2185                 break;
2186         case HASVB_LVDS_CHRONTEL:
2187                 hw_info->ulExternalChip = 0x5;
2188                 printk(KERN_INFO "XGIfb: LVDS transmitter and Chrontel TV encoder detected\n");
2189                 break;
2190         default:
2191                 printk(KERN_INFO "XGIfb: No or unknown bridge type detected\n");
2192                 break;
2193         }
2194
2195         if (xgifb_info->hasVB != HASVB_NONE)
2196                 XGIfb_detect_VB(xgifb_info);
2197
2198         if (xgifb_info->disp_state & DISPTYPE_DISP2) {
2199                 if (XGIfb_crt1off)
2200                         xgifb_info->disp_state |= DISPMODE_SINGLE;
2201                 else
2202                         xgifb_info->disp_state |= (DISPMODE_MIRROR |
2203                                                       DISPTYPE_CRT1);
2204         } else {
2205                 xgifb_info->disp_state = DISPMODE_SINGLE |
2206                                             DISPTYPE_CRT1;
2207         }
2208
2209         if (xgifb_info->disp_state & DISPTYPE_LCD) {
2210                 if (!enable_dstn) {
2211                         reg = xgifb_reg_get(XGICR, IND_XGI_LCD_PANEL);
2212                         reg &= 0x0f;
2213                         hw_info->ulCRT2LCDType = XGI310paneltype[reg];
2214
2215                 } else {
2216                         /* TW: FSTN/DSTN */
2217                         hw_info->ulCRT2LCDType = LCD_320x480;
2218                 }
2219         }
2220
2221         if ((hw_info->ujVBChipID == VB_CHIP_302B) ||
2222                         (hw_info->ujVBChipID == VB_CHIP_301LV) ||
2223                         (hw_info->ujVBChipID == VB_CHIP_302LV)) {
2224                 int tmp;
2225                 tmp = xgifb_reg_get(XGICR, 0x34);
2226                 if (tmp <= 0x13) {
2227                         /* Currently on LCDA?
2228                          *(Some BIOSes leave CR38) */
2229                         tmp = xgifb_reg_get(XGICR, 0x38);
2230                         if ((tmp & 0x03) == 0x03) {
2231                                 /* XGI_Pr.XGI_UseLCDA = 1; */
2232                         } else {
2233                                 /* Currently on LCDA?
2234                                  *(Some newer BIOSes set D0 in CR35) */
2235                                 tmp = xgifb_reg_get(XGICR, 0x35);
2236                                 if (tmp & 0x01) {
2237                                         /* XGI_Pr.XGI_UseLCDA = 1; */
2238                                 } else {
2239                                         tmp = xgifb_reg_get(XGICR,
2240                                                             0x30);
2241                                         if (tmp & 0x20) {
2242                                                 tmp = xgifb_reg_get(
2243                                                         XGIPART1, 0x13);
2244                                                 if (tmp & 0x04) {
2245                                                         /* XGI_Pr.XGI_UseLCDA = 1; */
2246                                                 }
2247                                         }
2248                                 }
2249                         }
2250                 }
2251
2252         }
2253
2254         if (mode)
2255                 XGIfb_search_mode(mode);
2256         else if (vesa != -1)
2257                 XGIfb_search_vesamode(vesa);
2258
2259         if (xgifb_mode_idx >= 0)
2260                 xgifb_mode_idx = XGIfb_validate_mode(xgifb_info,
2261                                                      xgifb_mode_idx);
2262
2263         if (xgifb_mode_idx < 0) {
2264                 if ((xgifb_info->disp_state & DISPTYPE_DISP2) ==
2265                         DISPTYPE_LCD &&
2266                     xgifb_info->chip == XG21)
2267                         xgifb_mode_idx = XGIfb_GetXG21DefaultLVDSModeIdx();
2268                 else
2269                         xgifb_mode_idx = DEFAULT_MODE;
2270         }
2271
2272         if (xgifb_mode_idx < 0) {
2273                 dev_err(&pdev->dev, "no supported video mode found\n");
2274                 goto error_1;
2275         }
2276
2277         if (xgi21_drvlcdcaplist) {
2278                 int m;
2279
2280                 for (m = 0; m < ARRAY_SIZE(XGI21_LCDCapList); m++)
2281                         if ((XGI21_LCDCapList[m].LVDSHDE ==
2282                                 XGIbios_mode[xgifb_mode_idx].xres) &&
2283                             (XGI21_LCDCapList[m].LVDSVDE ==
2284                                 XGIbios_mode[xgifb_mode_idx].yres)) {
2285                                 xgifb_reg_set(XGI_Pr.P3d4, 0x36, m);
2286                                 break;
2287                         }
2288         }
2289
2290         XGIfb_mode_no = XGIbios_mode[xgifb_mode_idx].mode_no;
2291
2292         /* yilin set default refresh rate */
2293         xgifb_info->refresh_rate = refresh_rate;
2294         if (xgifb_info->refresh_rate == 0)
2295                 xgifb_info->refresh_rate = 60;
2296         if (XGIfb_search_refresh_rate(xgifb_info,
2297                         xgifb_info->refresh_rate) == 0) {
2298                 XGIfb_rate_idx = XGIbios_mode[xgifb_mode_idx].rate_idx;
2299                 xgifb_info->refresh_rate = 60;
2300         }
2301
2302         xgifb_info->video_bpp = XGIbios_mode[xgifb_mode_idx].bpp;
2303         xgifb_info->video_vwidth =
2304                 xgifb_info->video_width =
2305                         XGIbios_mode[xgifb_mode_idx].xres;
2306         xgifb_info->video_vheight =
2307                 xgifb_info->video_height =
2308                         XGIbios_mode[xgifb_mode_idx].yres;
2309         xgifb_info->org_x = xgifb_info->org_y = 0;
2310         xgifb_info->video_linelength =
2311                 xgifb_info->video_width *
2312                 (xgifb_info->video_bpp >> 3);
2313         switch (xgifb_info->video_bpp) {
2314         case 8:
2315                 xgifb_info->DstColor = 0x0000;
2316                 xgifb_info->XGI310_AccelDepth = 0x00000000;
2317                 xgifb_info->video_cmap_len = 256;
2318                 break;
2319         case 16:
2320                 xgifb_info->DstColor = 0x8000;
2321                 xgifb_info->XGI310_AccelDepth = 0x00010000;
2322                 xgifb_info->video_cmap_len = 16;
2323                 break;
2324         case 32:
2325                 xgifb_info->DstColor = 0xC000;
2326                 xgifb_info->XGI310_AccelDepth = 0x00020000;
2327                 xgifb_info->video_cmap_len = 16;
2328                 break;
2329         default:
2330                 xgifb_info->video_cmap_len = 16;
2331                 printk(KERN_INFO "XGIfb: Unsupported depth %d",
2332                        xgifb_info->video_bpp);
2333                 break;
2334         }
2335
2336         printk(KERN_INFO "XGIfb: Default mode is %dx%dx%d (%dHz)\n",
2337                xgifb_info->video_width,
2338                xgifb_info->video_height,
2339                xgifb_info->video_bpp,
2340                xgifb_info->refresh_rate);
2341
2342         default_var.xres =
2343                 default_var.xres_virtual =
2344                         xgifb_info->video_width;
2345         default_var.yres =
2346                 default_var.yres_virtual =
2347                         xgifb_info->video_height;
2348         default_var.bits_per_pixel = xgifb_info->video_bpp;
2349
2350         XGIfb_bpp_to_var(xgifb_info, &default_var);
2351
2352         default_var.pixclock = (u32) (1000000000 /
2353                         XGIfb_mode_rate_to_dclock(&XGI_Pr, hw_info,
2354                                         XGIfb_mode_no, XGIfb_rate_idx));
2355
2356         if (XGIfb_mode_rate_to_ddata(&XGI_Pr, hw_info,
2357                 XGIfb_mode_no, XGIfb_rate_idx,
2358                 &default_var.left_margin, &default_var.right_margin,
2359                 &default_var.upper_margin, &default_var.lower_margin,
2360                 &default_var.hsync_len, &default_var.vsync_len,
2361                 &default_var.sync, &default_var.vmode)) {
2362
2363                 if ((default_var.vmode & FB_VMODE_MASK) ==
2364                     FB_VMODE_INTERLACED) {
2365                         default_var.yres <<= 1;
2366                         default_var.yres_virtual <<= 1;
2367                 } else if ((default_var.vmode & FB_VMODE_MASK) ==
2368                            FB_VMODE_DOUBLE) {
2369                         default_var.pixclock >>= 1;
2370                         default_var.yres >>= 1;
2371                         default_var.yres_virtual >>= 1;
2372                 }
2373
2374         }
2375
2376         fb_info->flags = FBINFO_FLAG_DEFAULT;
2377         fb_info->var = default_var;
2378         fb_info->fix = XGIfb_fix;
2379         fb_info->screen_base = xgifb_info->video_vbase;
2380         fb_info->fbops = &XGIfb_ops;
2381         XGIfb_get_fix(&fb_info->fix, -1, fb_info);
2382         fb_info->pseudo_palette = pseudo_palette;
2383
2384         fb_alloc_cmap(&fb_info->cmap, 256 , 0);
2385
2386 #ifdef CONFIG_MTRR
2387         xgifb_info->mtrr = mtrr_add(xgifb_info->video_base,
2388                 xgifb_info->video_size, MTRR_TYPE_WRCOMB, 1);
2389         if (xgifb_info->mtrr >= 0)
2390                 dev_info(&pdev->dev, "added MTRR\n");
2391 #endif
2392
2393         if (register_framebuffer(fb_info) < 0) {
2394                 ret = -EINVAL;
2395                 goto error_mtrr;
2396         }
2397
2398         dumpVGAReg();
2399
2400         return 0;
2401
2402 error_mtrr:
2403 #ifdef CONFIG_MTRR
2404         if (xgifb_info->mtrr >= 0)
2405                 mtrr_del(xgifb_info->mtrr, xgifb_info->video_base,
2406                         xgifb_info->video_size);
2407 #endif /* CONFIG_MTRR */
2408 error_1:
2409         iounmap(xgifb_info->mmio_vbase);
2410         iounmap(xgifb_info->video_vbase);
2411         release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
2412 error_0:
2413         release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
2414 error:
2415         vfree(hw_info->pjVirtualRomBase);
2416         framebuffer_release(fb_info);
2417         return ret;
2418 }
2419
2420 /*****************************************************/
2421 /*                PCI DEVICE HANDLING                */
2422 /*****************************************************/
2423
2424 static void __devexit xgifb_remove(struct pci_dev *pdev)
2425 {
2426         struct xgifb_video_info *xgifb_info = pci_get_drvdata(pdev);
2427         struct fb_info *fb_info = xgifb_info->fb_info;
2428
2429         unregister_framebuffer(fb_info);
2430 #ifdef CONFIG_MTRR
2431         if (xgifb_info->mtrr >= 0)
2432                 mtrr_del(xgifb_info->mtrr, xgifb_info->video_base,
2433                         xgifb_info->video_size);
2434 #endif /* CONFIG_MTRR */
2435         iounmap(xgifb_info->mmio_vbase);
2436         iounmap(xgifb_info->video_vbase);
2437         release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
2438         release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
2439         vfree(xgifb_info->hw_info.pjVirtualRomBase);
2440         framebuffer_release(fb_info);
2441         pci_set_drvdata(pdev, NULL);
2442 }
2443
2444 static struct pci_driver xgifb_driver = {
2445         .name = "xgifb",
2446         .id_table = xgifb_pci_table,
2447         .probe = xgifb_probe,
2448         .remove = __devexit_p(xgifb_remove)
2449 };
2450
2451 static int __init xgifb_init(void)
2452 {
2453         char *option = NULL;
2454
2455         if (fb_get_options("xgifb", &option))
2456                 return -ENODEV;
2457         XGIfb_setup(option);
2458
2459         return pci_register_driver(&xgifb_driver);
2460 }
2461
2462 module_init(xgifb_init);
2463
2464 /*****************************************************/
2465 /*                      MODULE                       */
2466 /*****************************************************/
2467
2468 #ifdef MODULE
2469
2470 MODULE_DESCRIPTION("Z7 Z9 Z9S Z11 framebuffer device driver");
2471 MODULE_LICENSE("GPL");
2472 MODULE_AUTHOR("XGITECH , Others");
2473
2474 module_param(mode, charp, 0);
2475 module_param(vesa, int, 0);
2476 module_param(filter, int, 0);
2477
2478 MODULE_PARM_DESC(mode,
2479         "\nSelects the desired default display mode in the format XxYxDepth,\n"
2480         "eg. 1024x768x16.\n");
2481
2482 MODULE_PARM_DESC(vesa,
2483         "\nSelects the desired default display mode by VESA mode number, eg.\n"
2484         "0x117.\n");
2485
2486 MODULE_PARM_DESC(filter,
2487                 "\nSelects TV flicker filter type (only for systems with a SiS301 video bridge).\n"
2488                 "(Possible values 0-7, default: [no filter])\n");
2489
2490 static void __exit xgifb_remove_module(void)
2491 {
2492         pci_unregister_driver(&xgifb_driver);
2493         printk(KERN_DEBUG "xgifb: Module unloaded\n");
2494 }
2495
2496 module_exit(xgifb_remove_module);
2497
2498 #endif  /*  /MODULE  */