drivers/staging/xgifb/XGI_main_26.c

   1 /*
   2  * XG20, XG21, XG40, XG42 frame buffer device
   3  * for Linux kernels  2.5.x, 2.6.x
   4  * Base on TW's sis fbdev code.
   5  */
   6
   7 /* #include <linux/config.h> */
   8 #include <linux/module.h>
   9 #include <linux/moduleparam.h>
  10 #include <linux/kernel.h>
  11 #include <linux/spinlock.h>
  12 #include <linux/errno.h>
  13 #include <linux/string.h>
  14 #include <linux/mm.h>
  15 #include <linux/tty.h>
  16 #include <linux/slab.h>
  17 #include <linux/delay.h>
  18 #include <linux/fb.h>
  19 #include <linux/console.h>
  20 #include <linux/selection.h>
  21 #include <linux/ioport.h>
  22 #include <linux/init.h>
  23 #include <linux/pci.h>
  24 #include <linux/vmalloc.h>
  25 #include <linux/vt_kern.h>
  26 #include <linux/capability.h>
  27 #include <linux/fs.h>
  28 #include <linux/types.h>
  29 #include <linux/proc_fs.h>
  30
  31 #include <linux/io.h>
  32 #ifdef CONFIG_MTRR
  33 #include <asm/mtrr.h>
  34 #endif
  35
  36 #include "XGIfb.h"
  37 #include "vgatypes.h"
  38 #include "XGI_main.h"
  39 #include "vb_init.h"
  40 #include "vb_util.h"
  41 #include "vb_setmode.h"
  42
  43 #define Index_CR_GPIO_Reg1 0x48
  44 #define Index_CR_GPIO_Reg3 0x4a
  45
  46 #define GPIOG_EN    (1<<6)
  47 #define GPIOG_READ  (1<<1)
  48
  49 #define XGIFB_ROM_SIZE  65536
  50
  51 static char *mode;
  52 static int vesa = -1;
  53 static unsigned int refresh_rate;
  54
  55 /* -------------------- Macro definitions ---------------------------- */
  56
  57 #undef XGIFBDEBUG
  58
  59 #ifdef XGIFBDEBUG
  60 #define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt, __FUNCTION__ , ## args)
  61 #else
  62 #define DPRINTK(fmt, args...)
  63 #endif
  64
  65 #ifdef XGIFBDEBUG
  66 static void dumpVGAReg(void)
  67 {
  68         u8 i, reg;
  69
  70         xgifb_reg_set(XGISR, 0x05, 0x86);
  71         /*
  72         xgifb_reg_set(XGISR, 0x08, 0x4f);
  73         xgifb_reg_set(XGISR, 0x0f, 0x20);
  74         xgifb_reg_set(XGISR, 0x11, 0x4f);
  75         xgifb_reg_set(XGISR, 0x13, 0x45);
  76         xgifb_reg_set(XGISR, 0x14, 0x51);
  77         xgifb_reg_set(XGISR, 0x1e, 0x41);
  78         xgifb_reg_set(XGISR, 0x1f, 0x0);
  79         xgifb_reg_set(XGISR, 0x20, 0xa1);
  80         xgifb_reg_set(XGISR, 0x22, 0xfb);
  81         xgifb_reg_set(XGISR, 0x26, 0x22);
  82         xgifb_reg_set(XGISR, 0x3e, 0x07);
  83         */
  84
  85         /* xgifb_reg_set(XGICR, 0x19, 0x00); */
  86         /* xgifb_reg_set(XGICR, 0x1a, 0x3C); */
  87         /* xgifb_reg_set(XGICR, 0x22, 0xff); */
  88         /* xgifb_reg_set(XGICR, 0x3D, 0x10); */
  89
  90         /* xgifb_reg_set(XGICR, 0x4a, 0xf3); */
  91
  92         /* xgifb_reg_set(XGICR, 0x57, 0x0); */
  93         /* xgifb_reg_set(XGICR, 0x7a, 0x2c); */
  94
  95         /* xgifb_reg_set(XGICR, 0x82, 0xcc); */
  96         /* xgifb_reg_set(XGICR, 0x8c, 0x0); */
  97         /*
  98         xgifb_reg_set(XGICR, 0x99, 0x1);
  99         xgifb_reg_set(XGICR, 0x41, 0x40);
 100         */
 101
 102         for (i = 0; i < 0x4f; i++) {
 103                 reg = xgifb_reg_get(XGISR, i);
 104                 printk("\no 3c4 %x", i);
 105                 printk("\ni 3c5 => %x", reg);
 106         }
 107
 108         for (i = 0; i < 0xF0; i++) {
 109                 reg = xgifb_reg_get(XGICR, i);
 110                 printk("\no 3d4 %x", i);
 111                 printk("\ni 3d5 => %x", reg);
 112         }
 113         /*
 114         xgifb_reg_set(XGIPART1,0x2F,1);
 115         for (i=1; i < 0x50; i++) {
 116                 reg = xgifb_reg_get(XGIPART1, i);
 117                 printk("\no d004 %x", i);
 118                 printk("\ni d005 => %x", reg);
 119         }
 120
 121         for (i=0; i < 0x50; i++) {
 122                  reg = xgifb_reg_get(XGIPART2, i);
 123                  printk("\no d010 %x", i);
 124                  printk("\ni d011 => %x", reg);
 125         }
 126         for (i=0; i < 0x50; i++) {
 127                 reg = xgifb_reg_get(XGIPART3, i);
 128                 printk("\no d012 %x",i);
 129                 printk("\ni d013 => %x",reg);
 130         }
 131         for (i=0; i < 0x50; i++) {
 132                 reg = xgifb_reg_get(XGIPART4, i);
 133                 printk("\no d014 %x",i);
 134                 printk("\ni d015 => %x",reg);
 135         }
 136         */
 137 }
 138 #else
 139 static inline void dumpVGAReg(void)
 140 {
 141 }
 142 #endif
 143
 144 #if 1
 145 #define DEBUGPRN(x)
 146 #else
 147 #define DEBUGPRN(x) printk(KERN_INFO x "\n");
 148 #endif
 149
 150 /* --------------- Hardware Access Routines -------------------------- */
 151
 152 static int XGIfb_mode_rate_to_dclock(struct vb_device_info *XGI_Pr,
 153                 struct xgi_hw_device_info *HwDeviceExtension,
 154                 unsigned char modeno, unsigned char rateindex)
 155 {
 156         unsigned short ModeNo = modeno;
 157         unsigned short ModeIdIndex = 0, ClockIndex = 0;
 158         unsigned short RefreshRateTableIndex = 0;
 159
 160         /* unsigned long  temp = 0; */
 161         int Clock;
 162         XGI_Pr->ROMAddr = HwDeviceExtension->pjVirtualRomBase;
 163         InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
 164
 165         RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
 166                         ModeIdIndex, XGI_Pr);
 167
 168         /*
 169         temp = XGI_SearchModeID(ModeNo , &ModeIdIndex,  XGI_Pr) ;
 170         if (!temp) {
 171                 printk(KERN_ERR "Could not find mode %x\n", ModeNo);
 172                 return 65000;
 173         }
 174
 175         RefreshRateTableIndex = XGI_Pr->EModeIDTable[ModeIdIndex].REFindex;
 176         RefreshRateTableIndex += (rateindex - 1);
 177
 178         */
 179         ClockIndex = XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_CRTVCLK;
 180
 181         Clock = XGI_Pr->VCLKData[ClockIndex].CLOCK * 1000;
 182
 183         return Clock;
 184 }
 185
 186 static int XGIfb_mode_rate_to_ddata(struct vb_device_info *XGI_Pr,
 187                 struct xgi_hw_device_info *HwDeviceExtension,
 188                 unsigned char modeno, unsigned char rateindex,
 189                 u32 *left_margin, u32 *right_margin, u32 *upper_margin,
 190                 u32 *lower_margin, u32 *hsync_len, u32 *vsync_len, u32 *sync,
 191                 u32 *vmode)
 192 {
 193         unsigned short ModeNo = modeno;
 194         unsigned short ModeIdIndex = 0, index = 0;
 195         unsigned short RefreshRateTableIndex = 0;
 196
 197         unsigned short VRE, VBE, VRS, VBS, VDE, VT;
 198         unsigned short HRE, HBE, HRS, HBS, HDE, HT;
 199         unsigned char sr_data, cr_data, cr_data2;
 200         unsigned long cr_data3;
 201         int A, B, C, D, E, F, temp, j;
 202         XGI_Pr->ROMAddr = HwDeviceExtension->pjVirtualRomBase;
 203         InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
 204         RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
 205                         ModeIdIndex, XGI_Pr);
 206         /*
 207         temp = XGI_SearchModeID(ModeNo, &ModeIdIndex, XGI_Pr);
 208         if (!temp)
 209                 return 0;
 210
 211         RefreshRateTableIndex = XGI_Pr->EModeIDTable[ModeIdIndex].REFindex;
 212         RefreshRateTableIndex += (rateindex - 1);
 213         */
 214         index = XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_CRT1CRTC;
 215
 216         sr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[5];
 217
 218         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[0];
 219
 220         /* Horizontal total */
 221         HT = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x03) << 8);
 222         A = HT + 5;
 223
 224         /*
 225         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[1];
 226
 227         Horizontal display enable end
 228         HDE = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x0C) << 6);
 229         */
 230         HDE = (XGI_Pr->RefIndex[RefreshRateTableIndex].XRes >> 3) - 1;
 231         E = HDE + 1;
 232
 233         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[3];
 234
 235         /* Horizontal retrace (=sync) start */
 236         HRS = (cr_data & 0xff) | ((unsigned short) (sr_data & 0xC0) << 2);
 237         F = HRS - E - 3;
 238
 239         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[1];
 240
 241         /* Horizontal blank start */
 242         HBS = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x30) << 4);
 243
 244         sr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[6];
 245
 246         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[2];
 247
 248         cr_data2 = XGI_Pr->XGINEWUB_CRT1Table[index].CR[4];
 249
 250         /* Horizontal blank end */
 251         HBE = (cr_data & 0x1f) | ((unsigned short) (cr_data2 & 0x80) >> 2)
 252                         | ((unsigned short) (sr_data & 0x03) << 6);
 253
 254         /* Horizontal retrace (=sync) end */
 255         HRE = (cr_data2 & 0x1f) | ((sr_data & 0x04) << 3);
 256
 257         temp = HBE - ((E - 1) & 255);
 258         B = (temp > 0) ? temp : (temp + 256);
 259
 260         temp = HRE - ((E + F + 3) & 63);
 261         C = (temp > 0) ? temp : (temp + 64);
 262
 263         D = B - F - C;
 264
 265         *left_margin = D * 8;
 266         *right_margin = F * 8;
 267         *hsync_len = C * 8;
 268
 269         sr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[14];
 270
 271         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[8];
 272
 273         cr_data2 = XGI_Pr->XGINEWUB_CRT1Table[index].CR[9];
 274
 275         /* Vertical total */
 276         VT = (cr_data & 0xFF) | ((unsigned short) (cr_data2 & 0x01) << 8)
 277                         | ((unsigned short) (cr_data2 & 0x20) << 4)
 278                         | ((unsigned short) (sr_data & 0x01) << 10);
 279         A = VT + 2;
 280
 281         /* cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[10]; */
 282
 283         /* Vertical display enable end */
 284         /*
 285         VDE = (cr_data & 0xff) |
 286                 ((unsigned short) (cr_data2 & 0x02) << 7) |
 287                 ((unsigned short) (cr_data2 & 0x40) << 3) |
 288                 ((unsigned short) (sr_data & 0x02) << 9);
 289         */
 290         VDE = XGI_Pr->RefIndex[RefreshRateTableIndex].YRes - 1;
 291         E = VDE + 1;
 292
 293         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[10];
 294
 295         /* Vertical retrace (=sync) start */
 296         VRS = (cr_data & 0xff) | ((unsigned short) (cr_data2 & 0x04) << 6)
 297                         | ((unsigned short) (cr_data2 & 0x80) << 2)
 298                         | ((unsigned short) (sr_data & 0x08) << 7);
 299         F = VRS + 1 - E;
 300
 301         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[12];
 302
 303         cr_data3 = (XGI_Pr->XGINEWUB_CRT1Table[index].CR[14] & 0x80) << 5;
 304
 305         /* Vertical blank start */
 306         VBS = (cr_data & 0xff) | ((unsigned short) (cr_data2 & 0x08) << 5)
 307                         | ((unsigned short) (cr_data3 & 0x20) << 4)
 308                         | ((unsigned short) (sr_data & 0x04) << 8);
 309
 310         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[13];
 311
 312         /* Vertical blank end */
 313         VBE = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x10) << 4);
 314         temp = VBE - ((E - 1) & 511);
 315         B = (temp > 0) ? temp : (temp + 512);
 316
 317         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[11];
 318
 319         /* Vertical retrace (=sync) end */
 320         VRE = (cr_data & 0x0f) | ((sr_data & 0x20) >> 1);
 321         temp = VRE - ((E + F - 1) & 31);
 322         C = (temp > 0) ? temp : (temp + 32);
 323
 324         D = B - F - C;
 325
 326         *upper_margin = D;
 327         *lower_margin = F;
 328         *vsync_len = C;
 329
 330         if (XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x8000)
 331                 *sync &= ~FB_SYNC_VERT_HIGH_ACT;
 332         else
 333                 *sync |= FB_SYNC_VERT_HIGH_ACT;
 334
 335         if (XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x4000)
 336                 *sync &= ~FB_SYNC_HOR_HIGH_ACT;
 337         else
 338                 *sync |= FB_SYNC_HOR_HIGH_ACT;
 339
 340         *vmode = FB_VMODE_NONINTERLACED;
 341         if (XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x0080)
 342                 *vmode = FB_VMODE_INTERLACED;
 343         else {
 344                 j = 0;
 345                 while (XGI_Pr->EModeIDTable[j].Ext_ModeID != 0xff) {
 346                         if (XGI_Pr->EModeIDTable[j].Ext_ModeID ==
 347                             XGI_Pr->RefIndex[RefreshRateTableIndex].ModeID) {
 348                                 if (XGI_Pr->EModeIDTable[j].Ext_ModeFlag &
 349                                     DoubleScanMode) {
 350                                         *vmode = FB_VMODE_DOUBLE;
 351                                 }
 352                                 break;
 353                         }
 354                         j++;
 355                 }
 356         }
 357
 358         return 1;
 359 }
 360
 361 static void XGIRegInit(struct vb_device_info *XGI_Pr, unsigned long BaseAddr)
 362 {
 363         XGI_Pr->RelIO = BaseAddr;
 364         XGI_Pr->P3c4 = BaseAddr + 0x14;
 365         XGI_Pr->P3d4 = BaseAddr + 0x24;
 366         XGI_Pr->P3c0 = BaseAddr + 0x10;
 367         XGI_Pr->P3ce = BaseAddr + 0x1e;
 368         XGI_Pr->P3c2 = BaseAddr + 0x12;
 369         XGI_Pr->P3ca = BaseAddr + 0x1a;
 370         XGI_Pr->P3c6 = BaseAddr + 0x16;
 371         XGI_Pr->P3c7 = BaseAddr + 0x17;
 372         XGI_Pr->P3c8 = BaseAddr + 0x18;
 373         XGI_Pr->P3c9 = BaseAddr + 0x19;
 374         XGI_Pr->P3da = BaseAddr + 0x2A;
 375         /* Digital video interface registers (LCD) */
 376         XGI_Pr->Part1Port = BaseAddr + XGI_CRT2_PORT_04;
 377         /* 301 TV Encoder registers */
 378         XGI_Pr->Part2Port = BaseAddr + XGI_CRT2_PORT_10;
 379         /* 301 Macrovision registers */
 380         XGI_Pr->Part3Port = BaseAddr + XGI_CRT2_PORT_12;
 381         /* 301 VGA2 (and LCD) registers */
 382         XGI_Pr->Part4Port = BaseAddr + XGI_CRT2_PORT_14;
 383         /* 301 palette address port registers */
 384         XGI_Pr->Part5Port = BaseAddr + XGI_CRT2_PORT_14 + 2;
 385
 386 }
 387
 388 /* ------------------ Internal helper routines ----------------- */
 389
 390 static int XGIfb_GetXG21DefaultLVDSModeIdx(void)
 391 {
 392
 393         int found_mode = 0;
 394         int XGIfb_mode_idx = 0;
 395
 396         found_mode = 0;
 397         while ((XGIbios_mode[XGIfb_mode_idx].mode_no != 0)
 398                         && (XGIbios_mode[XGIfb_mode_idx].xres
 399                                         <= XGI21_LCDCapList[0].LVDSHDE)) {
 400                 if ((XGIbios_mode[XGIfb_mode_idx].xres
 401                                 == XGI21_LCDCapList[0].LVDSHDE)
 402                                 && (XGIbios_mode[XGIfb_mode_idx].yres
 403                                                 == XGI21_LCDCapList[0].LVDSVDE)
 404                                 && (XGIbios_mode[XGIfb_mode_idx].bpp == 8)) {
 405                         found_mode = 1;
 406                         break;
 407                 }
 408                 XGIfb_mode_idx++;
 409         }
 410         if (!found_mode)
 411                 XGIfb_mode_idx = -1;
 412
 413         return XGIfb_mode_idx;
 414 }
 415
 416 static void XGIfb_search_mode(struct xgifb_video_info *xgifb_info,
 417                               const char *name)
 418 {
 419         int i = 0, j = 0, l;
 420
 421         while (XGIbios_mode[i].mode_no != 0) {
 422                 l = min(strlen(name), strlen(XGIbios_mode[i].name));
 423                 if (!strncmp(name, XGIbios_mode[i].name, l)) {
 424                         xgifb_info->mode_idx = i;
 425                         j = 1;
 426                         break;
 427                 }
 428                 i++;
 429         }
 430         if (!j)
 431                 printk(KERN_INFO "XGIfb: Invalid mode '%s'\n", name);
 432 }
 433
 434 static void XGIfb_search_vesamode(struct xgifb_video_info *xgifb_info,
 435                                   unsigned int vesamode)
 436 {
 437         int i = 0, j = 0;
 438
 439         if (vesamode == 0)
 440                 goto invalid;
 441
 442         vesamode &= 0x1dff; /* Clean VESA mode number from other flags */
 443
 444         while (XGIbios_mode[i].mode_no != 0) {
 445                 if ((XGIbios_mode[i].vesa_mode_no_1 == vesamode) ||
 446                     (XGIbios_mode[i].vesa_mode_no_2 == vesamode)) {
 447                         xgifb_info->mode_idx = i;
 448                         j = 1;
 449                         break;
 450                 }
 451                 i++;
 452         }
 453
 454 invalid:
 455         if (!j)
 456                 printk(KERN_INFO "XGIfb: Invalid VESA mode 0x%x'\n", vesamode);
 457 }
 458
 459 static int XGIfb_GetXG21LVDSData(struct xgifb_video_info *xgifb_info)
 460 {
 461         u8 tmp;
 462         void __iomem *data = xgifb_info->mmio_vbase + 0x20000;
 463         int i, j, k;
 464
 465         tmp = xgifb_reg_get(XGISR, 0x1e);
 466         xgifb_reg_set(XGISR, 0x1e, tmp | 4);
 467
 468         if ((readb(data) == 0x55) &&
 469             (readb(data + 1) == 0xAA) &&
 470             (readb(data + 0x65) & 0x1)) {
 471                 i = readw(data + 0x316);
 472                 j = readb(data + i - 1);
 473                 if (j == 0xff)
 474                         j = 1;
 475
 476                 k = 0;
 477                 do {
 478                         XGI21_LCDCapList[k].LVDS_Capability = readw(data + i);
 479                         XGI21_LCDCapList[k].LVDSHT = readw(data + i + 2);
 480                         XGI21_LCDCapList[k].LVDSVT = readw(data + i + 4);
 481                         XGI21_LCDCapList[k].LVDSHDE = readw(data + i + 6);
 482                         XGI21_LCDCapList[k].LVDSVDE = readw(data + i + 8);
 483                         XGI21_LCDCapList[k].LVDSHFP = readw(data + i + 10);
 484                         XGI21_LCDCapList[k].LVDSVFP = readw(data + i + 12);
 485                         XGI21_LCDCapList[k].LVDSHSYNC = readw(data + i + 14);
 486                         XGI21_LCDCapList[k].LVDSVSYNC = readw(data + i + 16);
 487                         XGI21_LCDCapList[k].VCLKData1 = readb(data + i + 18);
 488                         XGI21_LCDCapList[k].VCLKData2 = readb(data + i + 19);
 489                         XGI21_LCDCapList[k].PSC_S1 = readb(data + i + 20);
 490                         XGI21_LCDCapList[k].PSC_S2 = readb(data + i + 21);
 491                         XGI21_LCDCapList[k].PSC_S3 = readb(data + i + 22);
 492                         XGI21_LCDCapList[k].PSC_S4 = readb(data + i + 23);
 493                         XGI21_LCDCapList[k].PSC_S5 = readb(data + i + 24);
 494                         i += 25;
 495                         j--;
 496                         k++;
 497                 } while ((j > 0) && (k < (sizeof(XGI21_LCDCapList)
 498                                 / sizeof(struct XGI21_LVDSCapStruct))));
 499                 return 1;
 500         }
 501         return 0;
 502 }
 503
 504 static int XGIfb_validate_mode(struct xgifb_video_info *xgifb_info, int myindex)
 505 {
 506         u16 xres, yres;
 507         struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info;
 508
 509         if (xgifb_info->chip == XG21) {
 510                 if ((xgifb_info->disp_state & DISPTYPE_DISP2)
 511                                 == DISPTYPE_LCD) {
 512                         xres = XGI21_LCDCapList[0].LVDSHDE;
 513                         yres = XGI21_LCDCapList[0].LVDSVDE;
 514                         if (XGIbios_mode[myindex].xres > xres)
 515                                 return -1;
 516                         if (XGIbios_mode[myindex].yres > yres)
 517                                 return -1;
 518                         if ((XGIbios_mode[myindex].xres < xres) &&
 519                             (XGIbios_mode[myindex].yres < yres)) {
 520                                 if (XGIbios_mode[myindex].bpp > 8)
 521                                         return -1;
 522                         }
 523
 524                 }
 525                 return myindex;
 526
 527         }
 528
 529         /* FIXME: for now, all is valid on XG27 */
 530         if (xgifb_info->chip == XG27)
 531                 return myindex;
 532
 533         if (!(XGIbios_mode[myindex].chipset & MD_XGI315))
 534                 return -1;
 535
 536         switch (xgifb_info->disp_state & DISPTYPE_DISP2) {
 537         case DISPTYPE_LCD:
 538                 switch (hw_info->ulCRT2LCDType) {
 539                 case LCD_640x480:
 540                         xres = 640;
 541                         yres = 480;
 542                         break;
 543                 case LCD_800x600:
 544                         xres = 800;
 545                         yres = 600;
 546                         break;
 547                 case LCD_1024x600:
 548                         xres = 1024;
 549                         yres = 600;
 550                         break;
 551                 case LCD_1024x768:
 552                         xres = 1024;
 553                         yres = 768;
 554                         break;
 555                 case LCD_1152x768:
 556                         xres = 1152;
 557                         yres = 768;
 558                         break;
 559                 case LCD_1280x960:
 560                         xres = 1280;
 561                         yres = 960;
 562                         break;
 563                 case LCD_1280x768:
 564                         xres = 1280;
 565                         yres = 768;
 566                         break;
 567                 case LCD_1280x1024:
 568                         xres = 1280;
 569                         yres = 1024;
 570                         break;
 571                 case LCD_1400x1050:
 572                         xres = 1400;
 573                         yres = 1050;
 574                         break;
 575                 case LCD_1600x1200:
 576                         xres = 1600;
 577                         yres = 1200;
 578                         break;
 579                 /* case LCD_320x480: */ /* TW: FSTN */
 580                         /*
 581                         xres =  320;
 582                         yres =  480;
 583                         break;
 584                         */
 585                 default:
 586                         xres = 0;
 587                         yres = 0;
 588                         break;
 589                 }
 590                 if (XGIbios_mode[myindex].xres > xres)
 591                         return -1;
 592                 if (XGIbios_mode[myindex].yres > yres)
 593                         return -1;
 594                 if ((hw_info->ulExternalChip == 0x01) || /* LVDS */
 595                     (hw_info->ulExternalChip == 0x05)) { /* LVDS+Chrontel */
 596                         switch (XGIbios_mode[myindex].xres) {
 597                         case 512:
 598                                 if (XGIbios_mode[myindex].yres != 512)
 599                                         return -1;
 600                                 if (hw_info->ulCRT2LCDType == LCD_1024x600)
 601                                         return -1;
 602                                 break;
 603                         case 640:
 604                                 if ((XGIbios_mode[myindex].yres != 400)
 605                                                 && (XGIbios_mode[myindex].yres
 606                                                                 != 480))
 607                                         return -1;
 608                                 break;
 609                         case 800:
 610                                 if (XGIbios_mode[myindex].yres != 600)
 611                                         return -1;
 612                                 break;
 613                         case 1024:
 614                                 if ((XGIbios_mode[myindex].yres != 600) &&
 615                                     (XGIbios_mode[myindex].yres != 768))
 616                                         return -1;
 617                                 if ((XGIbios_mode[myindex].yres == 600) &&
 618                                     (hw_info->ulCRT2LCDType != LCD_1024x600))
 619                                         return -1;
 620                                 break;
 621                         case 1152:
 622                                 if ((XGIbios_mode[myindex].yres) != 768)
 623                                         return -1;
 624                                 if (hw_info->ulCRT2LCDType != LCD_1152x768)
 625                                         return -1;
 626                                 break;
 627                         case 1280:
 628                                 if ((XGIbios_mode[myindex].yres != 768) &&
 629                                     (XGIbios_mode[myindex].yres != 1024))
 630                                         return -1;
 631                                 if ((XGIbios_mode[myindex].yres == 768) &&
 632                                     (hw_info->ulCRT2LCDType != LCD_1280x768))
 633                                         return -1;
 634                                 break;
 635                         case 1400:
 636                                 if (XGIbios_mode[myindex].yres != 1050)
 637                                         return -1;
 638                                 break;
 639                         case 1600:
 640                                 if (XGIbios_mode[myindex].yres != 1200)
 641                                         return -1;
 642                                 break;
 643                         default:
 644                                 return -1;
 645                         }
 646                 } else {
 647                         switch (XGIbios_mode[myindex].xres) {
 648                         case 512:
 649                                 if (XGIbios_mode[myindex].yres != 512)
 650                                         return -1;
 651                                 break;
 652                         case 640:
 653                                 if ((XGIbios_mode[myindex].yres != 400) &&
 654                                     (XGIbios_mode[myindex].yres != 480))
 655                                         return -1;
 656                                 break;
 657                         case 800:
 658                                 if (XGIbios_mode[myindex].yres != 600)
 659                                         return -1;
 660                                 break;
 661                         case 1024:
 662                                 if (XGIbios_mode[myindex].yres != 768)
 663                                         return -1;
 664                                 break;
 665                         case 1280:
 666                                 if ((XGIbios_mode[myindex].yres != 960) &&
 667                                     (XGIbios_mode[myindex].yres != 1024))
 668                                         return -1;
 669                                 if (XGIbios_mode[myindex].yres == 960) {
 670                                         if (hw_info->ulCRT2LCDType ==
 671                                             LCD_1400x1050)
 672                                                 return -1;
 673                                 }
 674                                 break;
 675                         case 1400:
 676                                 if (XGIbios_mode[myindex].yres != 1050)
 677                                         return -1;
 678                                 break;
 679                         case 1600:
 680                                 if (XGIbios_mode[myindex].yres != 1200)
 681                                         return -1;
 682                                 break;
 683                         default:
 684                                 return -1;
 685                         }
 686                 }
 687                 break;
 688         case DISPTYPE_TV:
 689                 switch (XGIbios_mode[myindex].xres) {
 690                 case 512:
 691                 case 640:
 692                 case 800:
 693                         break;
 694                 case 720:
 695                         if (xgifb_info->TV_type == TVMODE_NTSC) {
 696                                 if (XGIbios_mode[myindex].yres != 480)
 697                                         return -1;
 698                         } else if (xgifb_info->TV_type == TVMODE_PAL) {
 699                                 if (XGIbios_mode[myindex].yres != 576)
 700                                         return -1;
 701                         }
 702                         /*  TW: LVDS/CHRONTEL does not support 720 */
 703                         if (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL ||
 704                             xgifb_info->hasVB == HASVB_CHRONTEL) {
 705                                 return -1;
 706                         }
 707                         break;
 708                 case 1024:
 709                         if (xgifb_info->TV_type == TVMODE_NTSC) {
 710                                 if (XGIbios_mode[myindex].bpp == 32)
 711                                         return -1;
 712                         }
 713                         break;
 714                 default:
 715                         return -1;
 716                 }
 717                 break;
 718         case DISPTYPE_CRT2:
 719                 if (XGIbios_mode[myindex].xres > 1280)
 720                         return -1;
 721                 break;
 722         }
 723         return myindex;
 724
 725 }
 726
 727 static void XGIfb_search_crt2type(const char *name)
 728 {
 729         int i = 0;
 730
 731         if (name == NULL)
 732                 return;
 733
 734         while (XGI_crt2type[i].type_no != -1) {
 735                 if (!strcmp(name, XGI_crt2type[i].name)) {
 736                         XGIfb_crt2type = XGI_crt2type[i].type_no;
 737                         XGIfb_tvplug = XGI_crt2type[i].tvplug_no;
 738                         break;
 739                 }
 740                 i++;
 741         }
 742         if (XGIfb_crt2type < 0)
 743                 printk(KERN_INFO "XGIfb: Invalid CRT2 type: %s\n", name);
 744 }
 745
 746 static u8 XGIfb_search_refresh_rate(struct xgifb_video_info *xgifb_info,
 747                                     unsigned int rate)
 748 {
 749         u16 xres, yres;
 750         int i = 0;
 751
 752         xres = XGIbios_mode[xgifb_info->mode_idx].xres;
 753         yres = XGIbios_mode[xgifb_info->mode_idx].yres;
 754
 755         xgifb_info->rate_idx = 0;
 756         while ((XGIfb_vrate[i].idx != 0) && (XGIfb_vrate[i].xres <= xres)) {
 757                 if ((XGIfb_vrate[i].xres == xres) &&
 758                     (XGIfb_vrate[i].yres == yres)) {
 759                         if (XGIfb_vrate[i].refresh == rate) {
 760                                 xgifb_info->rate_idx = XGIfb_vrate[i].idx;
 761                                 break;
 762                         } else if (XGIfb_vrate[i].refresh > rate) {
 763                                 if ((XGIfb_vrate[i].refresh - rate) <= 3) {
 764                                         DPRINTK("XGIfb: Adjusting rate from %d up to %d\n",
 765                                                 rate, XGIfb_vrate[i].refresh);
 766                                         xgifb_info->rate_idx =
 767                                                 XGIfb_vrate[i].idx;
 768                                         xgifb_info->refresh_rate =
 769                                                 XGIfb_vrate[i].refresh;
 770                                 } else if (((rate - XGIfb_vrate[i - 1].refresh)
 771                                                 <= 2) && (XGIfb_vrate[i].idx
 772                                                 != 1)) {
 773                                         DPRINTK("XGIfb: Adjusting rate from %d down to %d\n",
 774                                                 rate, XGIfb_vrate[i-1].refresh);
 775                                         xgifb_info->rate_idx =
 776                                                 XGIfb_vrate[i - 1].idx;
 777                                         xgifb_info->refresh_rate =
 778                                                 XGIfb_vrate[i - 1].refresh;
 779                                 }
 780                                 break;
 781                         } else if ((rate - XGIfb_vrate[i].refresh) <= 2) {
 782                                 DPRINTK("XGIfb: Adjusting rate from %d down to %d\n",
 783                                         rate, XGIfb_vrate[i].refresh);
 784                                 xgifb_info->rate_idx = XGIfb_vrate[i].idx;
 785                                 break;
 786                         }
 787                 }
 788                 i++;
 789         }
 790         if (xgifb_info->rate_idx > 0) {
 791                 return xgifb_info->rate_idx;
 792         } else {
 793                 printk(KERN_INFO "XGIfb: Unsupported rate %d for %dx%d\n",
 794                        rate, xres, yres);
 795                 return 0;
 796         }
 797 }
 798
 799 static void XGIfb_search_tvstd(const char *name)
 800 {
 801         int i = 0;
 802
 803         if (name == NULL)
 804                 return;
 805
 806         while (XGI_tvtype[i].type_no != -1) {
 807                 if (!strcmp(name, XGI_tvtype[i].name)) {
 808                         XGIfb_tvmode = XGI_tvtype[i].type_no;
 809                         break;
 810                 }
 811                 i++;
 812         }
 813 }
 814
 815 /* ----------- FBDev related routines for all series ----------- */
 816
 817 static void XGIfb_bpp_to_var(struct xgifb_video_info *xgifb_info,
 818                              struct fb_var_screeninfo *var)
 819 {
 820         switch (var->bits_per_pixel) {
 821         case 8:
 822                 var->red.offset = var->green.offset = var->blue.offset = 0;
 823                 var->red.length = var->green.length = var->blue.length = 6;
 824                 xgifb_info->video_cmap_len = 256;
 825                 break;
 826         case 16:
 827                 var->red.offset = 11;
 828                 var->red.length = 5;
 829                 var->green.offset = 5;
 830                 var->green.length = 6;
 831                 var->blue.offset = 0;
 832                 var->blue.length = 5;
 833                 var->transp.offset = 0;
 834                 var->transp.length = 0;
 835                 xgifb_info->video_cmap_len = 16;
 836                 break;
 837         case 32:
 838                 var->red.offset = 16;
 839                 var->red.length = 8;
 840                 var->green.offset = 8;
 841                 var->green.length = 8;
 842                 var->blue.offset = 0;
 843                 var->blue.length = 8;
 844                 var->transp.offset = 24;
 845                 var->transp.length = 8;
 846                 xgifb_info->video_cmap_len = 16;
 847                 break;
 848         }
 849 }
 850
 851 /* --------------------- SetMode routines ------------------------- */
 852
 853 static void XGIfb_pre_setmode(struct xgifb_video_info *xgifb_info)
 854 {
 855         u8 cr30 = 0, cr31 = 0;
 856
 857         cr31 = xgifb_reg_get(XGICR, 0x31);
 858         cr31 &= ~0x60;
 859
 860         switch (xgifb_info->disp_state & DISPTYPE_DISP2) {
 861         case DISPTYPE_CRT2:
 862                 cr30 = (XGI_VB_OUTPUT_CRT2 | XGI_SIMULTANEOUS_VIEW_ENABLE);
 863                 cr31 |= XGI_DRIVER_MODE;
 864                 break;
 865         case DISPTYPE_LCD:
 866                 cr30 = (XGI_VB_OUTPUT_LCD | XGI_SIMULTANEOUS_VIEW_ENABLE);
 867                 cr31 |= XGI_DRIVER_MODE;
 868                 break;
 869         case DISPTYPE_TV:
 870                 if (xgifb_info->TV_type == TVMODE_HIVISION)
 871                         cr30 = (XGI_VB_OUTPUT_HIVISION
 872                                         | XGI_SIMULTANEOUS_VIEW_ENABLE);
 873                 else if (xgifb_info->TV_plug == TVPLUG_SVIDEO)
 874                         cr30 = (XGI_VB_OUTPUT_SVIDEO
 875                                         | XGI_SIMULTANEOUS_VIEW_ENABLE);
 876                 else if (xgifb_info->TV_plug == TVPLUG_COMPOSITE)
 877                         cr30 = (XGI_VB_OUTPUT_COMPOSITE
 878                                         | XGI_SIMULTANEOUS_VIEW_ENABLE);
 879                 else if (xgifb_info->TV_plug == TVPLUG_SCART)
 880                         cr30 = (XGI_VB_OUTPUT_SCART
 881                                         | XGI_SIMULTANEOUS_VIEW_ENABLE);
 882                 cr31 |= XGI_DRIVER_MODE;
 883
 884                 if (XGIfb_tvmode == 1 || xgifb_info->TV_type == TVMODE_PAL)
 885                         cr31 |= 0x01;
 886                 else
 887                         cr31 &= ~0x01;
 888                 break;
 889         default: /* disable CRT2 */
 890                 cr30 = 0x00;
 891                 cr31 |= (XGI_DRIVER_MODE | XGI_VB_OUTPUT_DISABLE);
 892         }
 893
 894         xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR30, cr30);
 895         xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR31, cr31);
 896         xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR33,
 897                                                 (xgifb_info->rate_idx & 0x0F));
 898 }
 899
 900 static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info)
 901 {
 902         u8 reg;
 903         unsigned char doit = 1;
 904         /*
 905         xgifb_reg_set(XGISR,IND_XGI_PASSWORD,XGI_PASSWORD);
 906         xgifb_reg_set(XGICR, 0x13, 0x00);
 907         xgifb_reg_and_or(XGISR,0x0E, 0xF0, 0x01);
 908         *test*
 909         */
 910         if (xgifb_info->video_bpp == 8) {
 911                 /* TW: We can't switch off CRT1 on LVDS/Chrontel
 912                  * in 8bpp Modes */
 913                 if ((xgifb_info->hasVB == HASVB_LVDS) ||
 914                     (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL)) {
 915                         doit = 0;
 916                 }
 917                 /* TW: We can't switch off CRT1 on 301B-DH
 918                  * in 8bpp Modes if using LCD */
 919                 if (xgifb_info->disp_state & DISPTYPE_LCD)
 920                         doit = 0;
 921         }
 922
 923         /* TW: We can't switch off CRT1 if bridge is in slave mode */
 924         if (xgifb_info->hasVB != HASVB_NONE) {
 925                 reg = xgifb_reg_get(XGIPART1, 0x00);
 926
 927                 if ((reg & 0x50) == 0x10)
 928                         doit = 0;
 929
 930         } else {
 931                 XGIfb_crt1off = 0;
 932         }
 933
 934         reg = xgifb_reg_get(XGICR, 0x17);
 935         if ((XGIfb_crt1off) && (doit))
 936                 reg &= ~0x80;
 937         else
 938                 reg |= 0x80;
 939         xgifb_reg_set(XGICR, 0x17, reg);
 940
 941         xgifb_reg_and(XGISR, IND_XGI_RAMDAC_CONTROL, ~0x04);
 942
 943         if ((xgifb_info->disp_state & DISPTYPE_TV) && (xgifb_info->hasVB
 944                         == HASVB_301)) {
 945
 946                 reg = xgifb_reg_get(XGIPART4, 0x01);
 947
 948                 if (reg < 0xB0) { /* Set filter for XGI301 */
 949                         switch (xgifb_info->video_width) {
 950                         case 320:
 951                                 filter_tb = (xgifb_info->TV_type ==
 952                                              TVMODE_NTSC) ? 4 : 12;
 953                                 break;
 954                         case 640:
 955                                 filter_tb = (xgifb_info->TV_type ==
 956                                              TVMODE_NTSC) ? 5 : 13;
 957                                 break;
 958                         case 720:
 959                                 filter_tb = (xgifb_info->TV_type ==
 960                                              TVMODE_NTSC) ? 6 : 14;
 961                                 break;
 962                         case 800:
 963                                 filter_tb = (xgifb_info->TV_type ==
 964                                              TVMODE_NTSC) ? 7 : 15;
 965                                 break;
 966                         default:
 967                                 filter = -1;
 968                                 break;
 969                         }
 970                         xgifb_reg_or(XGIPART1, XGIfb_CRT2_write_enable, 0x01);
 971
 972                         if (xgifb_info->TV_type == TVMODE_NTSC) {
 973
 974                                 xgifb_reg_and(XGIPART2, 0x3a, 0x1f);
 975
 976                                 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
 977
 978                                         xgifb_reg_and(XGIPART2, 0x30, 0xdf);
 979
 980                                 } else if (xgifb_info->TV_plug
 981                                                 == TVPLUG_COMPOSITE) {
 982
 983                                         xgifb_reg_or(XGIPART2, 0x30, 0x20);
 984
 985                                         switch (xgifb_info->video_width) {
 986                                         case 640:
 987                                                 xgifb_reg_set(XGIPART2,
 988                                                               0x35,
 989                                                               0xEB);
 990                                                 xgifb_reg_set(XGIPART2,
 991                                                               0x36,
 992                                                               0x04);
 993                                                 xgifb_reg_set(XGIPART2,
 994                                                               0x37,
 995                                                               0x25);
 996                                                 xgifb_reg_set(XGIPART2,
 997                                                               0x38,
 998                                                               0x18);
 999                                                 break;
1000                                         case 720:
1001                                                 xgifb_reg_set(XGIPART2,
1002                                                               0x35,
1003                                                               0xEE);
1004                                                 xgifb_reg_set(XGIPART2,
1005                                                               0x36,
1006                                                               0x0C);
1007                                                 xgifb_reg_set(XGIPART2,
1008                                                               0x37,
1009                                                               0x22);
1010                                                 xgifb_reg_set(XGIPART2,
1011                                                               0x38,
1012                                                               0x08);
1013                                                 break;
1014                                         case 800:
1015                                                 xgifb_reg_set(XGIPART2,
1016                                                               0x35,
1017                                                               0xEB);
1018                                                 xgifb_reg_set(XGIPART2,
1019                                                               0x36,
1020                                                               0x15);
1021                                                 xgifb_reg_set(XGIPART2,
1022                                                               0x37,
1023                                                               0x25);
1024                                                 xgifb_reg_set(XGIPART2,
1025                                                               0x38,
1026                                                               0xF6);
1027                                                 break;
1028                                         }
1029                                 }
1030
1031                         } else if (xgifb_info->TV_type == TVMODE_PAL) {
1032
1033                                 xgifb_reg_and(XGIPART2, 0x3A, 0x1F);
1034
1035                                 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
1036
1037                                         xgifb_reg_and(XGIPART2, 0x30, 0xDF);
1038
1039                                 } else if (xgifb_info->TV_plug
1040                                                 == TVPLUG_COMPOSITE) {
1041
1042                                         xgifb_reg_or(XGIPART2, 0x30, 0x20);
1043
1044                                         switch (xgifb_info->video_width) {
1045                                         case 640:
1046                                                 xgifb_reg_set(XGIPART2,
1047                                                               0x35,
1048                                                               0xF1);
1049                                                 xgifb_reg_set(XGIPART2,
1050                                                               0x36,
1051                                                               0xF7);
1052                                                 xgifb_reg_set(XGIPART2,
1053                                                               0x37,
1054                                                               0x1F);
1055                                                 xgifb_reg_set(XGIPART2,
1056                                                               0x38,
1057                                                               0x32);
1058                                                 break;
1059                                         case 720:
1060                                                 xgifb_reg_set(XGIPART2,
1061                                                               0x35,
1062                                                               0xF3);
1063                                                 xgifb_reg_set(XGIPART2,
1064                                                               0x36,
1065                                                               0x00);
1066                                                 xgifb_reg_set(XGIPART2,
1067                                                               0x37,
1068                                                               0x1D);
1069                                                 xgifb_reg_set(XGIPART2,
1070                                                               0x38,
1071                                                               0x20);
1072                                                 break;
1073                                         case 800:
1074                                                 xgifb_reg_set(XGIPART2,
1075                                                               0x35,
1076                                                               0xFC);
1077                                                 xgifb_reg_set(XGIPART2,
1078                                                               0x36,
1079                                                               0xFB);
1080                                                 xgifb_reg_set(XGIPART2,
1081                                                               0x37,
1082                                                               0x14);
1083                                                 xgifb_reg_set(XGIPART2,
1084                                                               0x38,
1085                                                               0x2A);
1086                                                 break;
1087                                         }
1088                                 }
1089                         }
1090
1091                         if ((filter >= 0) && (filter <= 7)) {
1092                                 DPRINTK("FilterTable[%d]-%d: %02x %02x %02x %02x\n",
1093                                         filter_tb, filter,
1094                                         XGI_TV_filter[filter_tb].
1095                                                 filter[filter][0],
1096                                         XGI_TV_filter[filter_tb].
1097                                                 filter[filter][1],
1098                                         XGI_TV_filter[filter_tb].
1099                                                 filter[filter][2],
1100                                         XGI_TV_filter[filter_tb].
1101                                                 filter[filter][3]
1102                                 );
1103                                 xgifb_reg_set(
1104                                         XGIPART2,
1105                                         0x35,
1106                                         (XGI_TV_filter[filter_tb].
1107                                                 filter[filter][0]));
1108                                 xgifb_reg_set(
1109                                         XGIPART2,
1110                                         0x36,
1111                                         (XGI_TV_filter[filter_tb].
1112                                                 filter[filter][1]));
1113                                 xgifb_reg_set(
1114                                         XGIPART2,
1115                                         0x37,
1116                                         (XGI_TV_filter[filter_tb].
1117                                                 filter[filter][2]));
1118                                 xgifb_reg_set(
1119                                         XGIPART2,
1120                                         0x38,
1121                                         (XGI_TV_filter[filter_tb].
1122                                                 filter[filter][3]));
1123                         }
1124                 }
1125         }
1126 }
1127
1128 static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive,
1129                 struct fb_info *info)
1130 {
1131         struct xgifb_video_info *xgifb_info = info->par;
1132         struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info;
1133         unsigned int htotal = var->left_margin + var->xres + var->right_margin
1134                         + var->hsync_len;
1135         unsigned int vtotal = var->upper_margin + var->yres + var->lower_margin
1136                         + var->vsync_len;
1137 #if defined(__powerpc__)
1138         u8 sr_data, cr_data;
1139 #endif
1140         unsigned int drate = 0, hrate = 0;
1141         int found_mode = 0;
1142         int old_mode;
1143         /* unsigned char reg, reg1; */
1144
1145         DEBUGPRN("Inside do_set_var");
1146         /* 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); */
1147
1148         info->var.xres_virtual = var->xres_virtual;
1149         info->var.yres_virtual = var->yres_virtual;
1150         info->var.bits_per_pixel = var->bits_per_pixel;
1151
1152         if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED)
1153                 vtotal <<= 1;
1154         else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE)
1155                 vtotal <<= 2;
1156         else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
1157                 /* vtotal <<= 1; */
1158                 /* var->yres <<= 1; */
1159         }
1160
1161         if (!htotal || !vtotal) {
1162                 DPRINTK("XGIfb: Invalid 'var' information\n");
1163                 return -EINVAL;
1164         } printk(KERN_DEBUG "XGIfb: var->pixclock=%d, htotal=%d, vtotal=%d\n",
1165                         var->pixclock, htotal, vtotal);
1166
1167         if (var->pixclock && htotal && vtotal) {
1168                 drate = 1000000000 / var->pixclock;
1169                 hrate = (drate * 1000) / htotal;
1170                 xgifb_info->refresh_rate = (unsigned int) (hrate * 2
1171                                 / vtotal);
1172         } else {
1173                 xgifb_info->refresh_rate = 60;
1174         }
1175
1176         printk(KERN_DEBUG "XGIfb: Change mode to %dx%dx%d-%dHz\n",
1177                var->xres,
1178                var->yres,
1179                var->bits_per_pixel,
1180                xgifb_info->refresh_rate);
1181
1182         old_mode = xgifb_info->mode_idx;
1183         xgifb_info->mode_idx = 0;
1184
1185         while ((XGIbios_mode[xgifb_info->mode_idx].mode_no != 0) &&
1186                (XGIbios_mode[xgifb_info->mode_idx].xres <= var->xres)) {
1187                 if ((XGIbios_mode[xgifb_info->mode_idx].xres == var->xres) &&
1188                     (XGIbios_mode[xgifb_info->mode_idx].yres == var->yres) &&
1189                     (XGIbios_mode[xgifb_info->mode_idx].bpp
1190                                                 == var->bits_per_pixel)) {
1191                         found_mode = 1;
1192                         break;
1193                 }
1194                 xgifb_info->mode_idx++;
1195         }
1196
1197         if (found_mode)
1198                 xgifb_info->mode_idx = XGIfb_validate_mode(xgifb_info,
1199                                                         xgifb_info->mode_idx);
1200         else
1201                 xgifb_info->mode_idx = -1;
1202
1203         if (xgifb_info->mode_idx < 0) {
1204                 printk(KERN_ERR "XGIfb: Mode %dx%dx%d not supported\n",
1205                        var->xres, var->yres, var->bits_per_pixel);
1206                 xgifb_info->mode_idx = old_mode;
1207                 return -EINVAL;
1208         }
1209
1210         if (XGIfb_search_refresh_rate(xgifb_info,
1211                                       xgifb_info->refresh_rate) == 0) {
1212                 xgifb_info->rate_idx =
1213                         XGIbios_mode[xgifb_info->mode_idx].rate_idx;
1214                 xgifb_info->refresh_rate = 60;
1215         }
1216
1217         if (isactive) {
1218
1219                 XGIfb_pre_setmode(xgifb_info);
1220                 if (XGISetModeNew(hw_info,
1221                                   XGIbios_mode[xgifb_info->mode_idx].mode_no)
1222                                         == 0) {
1223                         printk(KERN_ERR "XGIfb: Setting mode[0x%x] failed\n",
1224                                XGIbios_mode[xgifb_info->mode_idx].mode_no);
1225                         return -EINVAL;
1226                 }
1227                 info->fix.line_length = ((info->var.xres_virtual
1228                                 * info->var.bits_per_pixel) >> 6);
1229
1230                 xgifb_reg_set(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD);
1231
1232                 xgifb_reg_set(XGICR, 0x13, (info->fix.line_length & 0x00ff));
1233                 xgifb_reg_set(XGISR,
1234                               0x0E,
1235                               (info->fix.line_length & 0xff00) >> 8);
1236
1237                 XGIfb_post_setmode(xgifb_info);
1238
1239                 DPRINTK("XGIfb: Set new mode: %dx%dx%d-%d\n",
1240                                 XGIbios_mode[xgifb_info->mode_idx].xres,
1241                                 XGIbios_mode[xgifb_info->mode_idx].yres,
1242                                 XGIbios_mode[xgifb_info->mode_idx].bpp,
1243                                 xgifb_info->refresh_rate);
1244
1245                 xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp;
1246                 xgifb_info->video_vwidth = info->var.xres_virtual;
1247                 xgifb_info->video_width =
1248                         XGIbios_mode[xgifb_info->mode_idx].xres;
1249                 xgifb_info->video_vheight = info->var.yres_virtual;
1250                 xgifb_info->video_height =
1251                         XGIbios_mode[xgifb_info->mode_idx].yres;
1252                 xgifb_info->org_x = xgifb_info->org_y = 0;
1253                 xgifb_info->video_linelength = info->var.xres_virtual
1254                                 * (xgifb_info->video_bpp >> 3);
1255                 switch (xgifb_info->video_bpp) {
1256                 case 8:
1257                         xgifb_info->DstColor = 0x0000;
1258                         xgifb_info->XGI310_AccelDepth = 0x00000000;
1259                         xgifb_info->video_cmap_len = 256;
1260 #if defined(__powerpc__)
1261                         cr_data = xgifb_reg_get(XGICR, 0x4D);
1262                         xgifb_reg_set(XGICR, 0x4D, (cr_data & 0xE0));
1263 #endif
1264                         break;
1265                 case 16:
1266                         xgifb_info->DstColor = 0x8000;
1267                         xgifb_info->XGI310_AccelDepth = 0x00010000;
1268 #if defined(__powerpc__)
1269                         cr_data = xgifb_reg_get(XGICR, 0x4D);
1270                         xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x0B));
1271 #endif
1272                         xgifb_info->video_cmap_len = 16;
1273                         break;
1274                 case 32:
1275                         xgifb_info->DstColor = 0xC000;
1276                         xgifb_info->XGI310_AccelDepth = 0x00020000;
1277                         xgifb_info->video_cmap_len = 16;
1278 #if defined(__powerpc__)
1279                         cr_data = xgifb_reg_get(XGICR, 0x4D);
1280                         xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x15));
1281 #endif
1282                         break;
1283                 default:
1284                         xgifb_info->video_cmap_len = 16;
1285                         printk(KERN_ERR "XGIfb: Unsupported depth %d",
1286                                xgifb_info->video_bpp);
1287                         break;
1288                 }
1289         }
1290         XGIfb_bpp_to_var(xgifb_info, var); /*update ARGB info*/
1291         DEBUGPRN("End of do_set_var");
1292
1293         dumpVGAReg();
1294         return 0;
1295 }
1296
1297 static int XGIfb_pan_var(struct xgifb_video_info *xgifb_info,
1298                          struct fb_var_screeninfo *var)
1299 {
1300         unsigned int base;
1301
1302         /* printk("Inside pan_var"); */
1303
1304         if (var->xoffset > (var->xres_virtual - var->xres)) {
1305                 /* printk("Pan: xo: %d xv %d xr %d\n",
1306                         var->xoffset, var->xres_virtual, var->xres); */
1307                 return -EINVAL;
1308         }
1309         if (var->yoffset > (var->yres_virtual - var->yres)) {
1310                 /* printk("Pan: yo: %d yv %d yr %d\n",
1311                         var->yoffset, var->yres_virtual, var->yres); */
1312                 return -EINVAL;
1313         }
1314         base = var->yoffset * var->xres_virtual + var->xoffset;
1315
1316         /* calculate base bpp dep. */
1317         switch (var->bits_per_pixel) {
1318         case 16:
1319                 base >>= 1;
1320                 break;
1321         case 32:
1322                 break;
1323         case 8:
1324         default:
1325                 base >>= 2;
1326                 break;
1327         }
1328
1329         xgifb_reg_set(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD);
1330
1331         xgifb_reg_set(XGICR, 0x0D, base & 0xFF);
1332         xgifb_reg_set(XGICR, 0x0C, (base >> 8) & 0xFF);
1333         xgifb_reg_set(XGISR, 0x0D, (base >> 16) & 0xFF);
1334         xgifb_reg_set(XGISR, 0x37, (base >> 24) & 0x03);
1335         xgifb_reg_and_or(XGISR, 0x37, 0xDF, (base >> 21) & 0x04);
1336
1337         if (xgifb_info->disp_state & DISPTYPE_DISP2) {
1338                 xgifb_reg_or(XGIPART1, XGIfb_CRT2_write_enable, 0x01);
1339                 xgifb_reg_set(XGIPART1, 0x06, (base & 0xFF));
1340                 xgifb_reg_set(XGIPART1, 0x05, ((base >> 8) & 0xFF));
1341                 xgifb_reg_set(XGIPART1, 0x04, ((base >> 16) & 0xFF));
1342                 xgifb_reg_and_or(XGIPART1,
1343                                  0x02,
1344                                  0x7F,
1345                                  ((base >> 24) & 0x01) << 7);
1346         }
1347         /* printk("End of pan_var"); */
1348         return 0;
1349 }
1350
1351 static int XGIfb_open(struct fb_info *info, int user)
1352 {
1353         return 0;
1354 }
1355
1356 static int XGIfb_release(struct fb_info *info, int user)
1357 {
1358         return 0;
1359 }
1360
1361 static int XGIfb_get_cmap_len(const struct fb_var_screeninfo *var)
1362 {
1363         int rc = 16;
1364
1365         switch (var->bits_per_pixel) {
1366         case 8:
1367                 rc = 256;
1368                 break;
1369         case 16:
1370                 rc = 16;
1371                 break;
1372         case 32:
1373                 rc = 16;
1374                 break;
1375         }
1376         return rc;
1377 }
1378
1379 static int XGIfb_setcolreg(unsigned regno, unsigned red, unsigned green,
1380                 unsigned blue, unsigned transp, struct fb_info *info)
1381 {
1382         struct xgifb_video_info *xgifb_info = info->par;
1383
1384         if (regno >= XGIfb_get_cmap_len(&info->var))
1385                 return 1;
1386
1387         switch (info->var.bits_per_pixel) {
1388         case 8:
1389                 outb(regno, XGIDACA);
1390                 outb((red >> 10), XGIDACD);
1391                 outb((green >> 10), XGIDACD);
1392                 outb((blue >> 10), XGIDACD);
1393                 if (xgifb_info->disp_state & DISPTYPE_DISP2) {
1394                         outb(regno, XGIDAC2A);
1395                         outb((red >> 8), XGIDAC2D);
1396                         outb((green >> 8), XGIDAC2D);
1397                         outb((blue >> 8), XGIDAC2D);
1398                 }
1399                 break;
1400         case 16:
1401                 ((u32 *) (info->pseudo_palette))[regno] = ((red & 0xf800))
1402                                 | ((green & 0xfc00) >> 5) | ((blue & 0xf800)
1403                                 >> 11);
1404                 break;
1405         case 32:
1406                 red >>= 8;
1407                 green >>= 8;
1408                 blue >>= 8;
1409                 ((u32 *) (info->pseudo_palette))[regno] = (red << 16) | (green
1410                                 << 8) | (blue);
1411                 break;
1412         }
1413         return 0;
1414 }
1415
1416 /* ----------- FBDev related routines for all series ---------- */
1417
1418 static int XGIfb_get_fix(struct fb_fix_screeninfo *fix, int con,
1419                 struct fb_info *info)
1420 {
1421         struct xgifb_video_info *xgifb_info = info->par;
1422
1423         DEBUGPRN("inside get_fix");
1424         memset(fix, 0, sizeof(struct fb_fix_screeninfo));
1425
1426         fix->smem_start = xgifb_info->video_base;
1427
1428         fix->smem_len = xgifb_info->video_size;
1429
1430         fix->type = FB_TYPE_PACKED_PIXELS;
1431         fix->type_aux = 0;
1432         if (xgifb_info->video_bpp == 8)
1433                 fix->visual = FB_VISUAL_PSEUDOCOLOR;
1434         else
1435                 fix->visual = FB_VISUAL_DIRECTCOLOR;
1436         fix->xpanstep = 0;
1437         if (XGIfb_ypan)
1438                 fix->ypanstep = 1;
1439         fix->ywrapstep = 0;
1440         fix->line_length = xgifb_info->video_linelength;
1441         fix->mmio_start = xgifb_info->mmio_base;
1442         fix->mmio_len = xgifb_info->mmio_size;
1443         fix->accel = FB_ACCEL_XGI_XABRE;
1444
1445         DEBUGPRN("end of get_fix");
1446         return 0;
1447 }
1448
1449 static int XGIfb_set_par(struct fb_info *info)
1450 {
1451         int err;
1452
1453         /* printk("XGIfb: inside set_par\n"); */
1454         err = XGIfb_do_set_var(&info->var, 1, info);
1455         if (err)
1456                 return err;
1457         XGIfb_get_fix(&info->fix, -1, info);
1458         /* printk("XGIfb: end of set_par\n"); */
1459         return 0;
1460 }
1461
1462 static int XGIfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
1463 {
1464         struct xgifb_video_info *xgifb_info = info->par;
1465         unsigned int htotal = var->left_margin + var->xres + var->right_margin
1466                         + var->hsync_len;
1467         unsigned int vtotal = 0;
1468         unsigned int drate = 0, hrate = 0;
1469         int found_mode = 0;
1470         int refresh_rate, search_idx;
1471
1472         DEBUGPRN("Inside check_var");
1473
1474         if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) {
1475                 vtotal = var->upper_margin + var->yres + var->lower_margin
1476                                 + var->vsync_len;
1477                 vtotal <<= 1;
1478         } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) {
1479                 vtotal = var->upper_margin + var->yres + var->lower_margin
1480                                 + var->vsync_len;
1481                 vtotal <<= 2;
1482         } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
1483                 vtotal = var->upper_margin + (var->yres / 2)
1484                                 + var->lower_margin + var->vsync_len;
1485         } else
1486                 vtotal = var->upper_margin + var->yres + var->lower_margin
1487                                 + var->vsync_len;
1488
1489         if (!(htotal) || !(vtotal))
1490                 XGIFAIL("XGIfb: no valid timing data");
1491
1492         if (var->pixclock && htotal && vtotal) {
1493                 drate = 1000000000 / var->pixclock;
1494                 hrate = (drate * 1000) / htotal;
1495                 xgifb_info->refresh_rate =
1496                         (unsigned int) (hrate * 2 / vtotal);
1497                 printk(KERN_DEBUG
1498                         "%s: pixclock = %d ,htotal=%d, vtotal=%d\n"
1499                         "%s: drate=%d, hrate=%d, refresh_rate=%d\n",
1500                         __func__, var->pixclock, htotal, vtotal,
1501                         __func__, drate, hrate, xgifb_info->refresh_rate);
1502         } else {
1503                 xgifb_info->refresh_rate = 60;
1504         }
1505
1506         /*
1507         if ((var->pixclock) && (htotal)) {
1508                 drate = 1E12 / var->pixclock;
1509                 hrate = drate / htotal;
1510                 refresh_rate = (unsigned int) (hrate / vtotal * 2 + 0.5);
1511         } else {
1512                 refresh_rate = 60;
1513         }
1514         */
1515         /* TW: Calculation wrong for 1024x600 - force it to 60Hz */
1516         if ((var->xres == 1024) && (var->yres == 600))
1517                 refresh_rate = 60;
1518
1519         search_idx = 0;
1520         while ((XGIbios_mode[search_idx].mode_no != 0) &&
1521                 (XGIbios_mode[search_idx].xres <= var->xres)) {
1522                 if ((XGIbios_mode[search_idx].xres == var->xres) &&
1523                         (XGIbios_mode[search_idx].yres == var->yres) &&
1524                         (XGIbios_mode[search_idx].bpp == var->bits_per_pixel)) {
1525                         if (XGIfb_validate_mode(xgifb_info, search_idx) > 0) {
1526                                 found_mode = 1;
1527                                 break;
1528                         }
1529                 }
1530                 search_idx++;
1531         }
1532
1533         if (!found_mode) {
1534
1535                 printk(KERN_ERR "XGIfb: %dx%dx%d is no valid mode\n",
1536                         var->xres, var->yres, var->bits_per_pixel);
1537                 search_idx = 0;
1538                 while (XGIbios_mode[search_idx].mode_no != 0) {
1539                         if ((var->xres <= XGIbios_mode[search_idx].xres) &&
1540                             (var->yres <= XGIbios_mode[search_idx].yres) &&
1541                             (var->bits_per_pixel ==
1542                              XGIbios_mode[search_idx].bpp)) {
1543                                 if (XGIfb_validate_mode(xgifb_info,
1544                                                         search_idx) > 0) {
1545                                         found_mode = 1;
1546                                         break;
1547                                 }
1548                         }
1549                         search_idx++;
1550                 }
1551                 if (found_mode) {
1552                         var->xres = XGIbios_mode[search_idx].xres;
1553                         var->yres = XGIbios_mode[search_idx].yres;
1554                         printk(KERN_DEBUG "XGIfb: Adapted to mode %dx%dx%d\n",
1555                                 var->xres, var->yres, var->bits_per_pixel);
1556
1557                 } else {
1558                         printk(KERN_ERR "XGIfb: Failed to find similar mode to %dx%dx%d\n",
1559                                 var->xres, var->yres, var->bits_per_pixel);
1560                         return -EINVAL;
1561                 }
1562         }
1563
1564         /* TW: TODO: Check the refresh rate */
1565
1566         /* Adapt RGB settings */
1567         XGIfb_bpp_to_var(xgifb_info, var);
1568
1569         /* Sanity check for offsets */
1570         if (var->xoffset < 0)
1571                 var->xoffset = 0;
1572         if (var->yoffset < 0)
1573                 var->yoffset = 0;
1574
1575         if (!XGIfb_ypan) {
1576                 if (var->xres != var->xres_virtual)
1577                         var->xres_virtual = var->xres;
1578                 if (var->yres != var->yres_virtual)
1579                         var->yres_virtual = var->yres;
1580         } /* else { */
1581                 /* TW: Now patch yres_virtual if we use panning */
1582                 /* May I do this? */
1583                 /* var->yres_virtual = xgifb_info->heapstart /
1584                         (var->xres * (var->bits_per_pixel >> 3)); */
1585                 /* if (var->yres_virtual <= var->yres) { */
1586                 /* TW: Paranoia check */
1587                 /* var->yres_virtual = var->yres; */
1588                 /* } */
1589         /* } */
1590
1591         /* Truncate offsets to maximum if too high */
1592         if (var->xoffset > var->xres_virtual - var->xres)
1593                 var->xoffset = var->xres_virtual - var->xres - 1;
1594
1595         if (var->yoffset > var->yres_virtual - var->yres)
1596                 var->yoffset = var->yres_virtual - var->yres - 1;
1597
1598         /* Set everything else to 0 */
1599         var->red.msb_right =
1600         var->green.msb_right =
1601         var->blue.msb_right =
1602         var->transp.offset = var->transp.length = var->transp.msb_right = 0;
1603
1604         DEBUGPRN("end of check_var");
1605         return 0;
1606 }
1607
1608 static int XGIfb_pan_display(struct fb_var_screeninfo *var,
1609                 struct fb_info *info)
1610 {
1611         int err;
1612         struct xgifb_video_info *xgifb_info = info->par;
1613
1614         /* printk("\nInside pan_display:\n"); */
1615
1616         if (var->xoffset > (var->xres_virtual - var->xres))
1617                 return -EINVAL;
1618         if (var->yoffset > (var->yres_virtual - var->yres))
1619                 return -EINVAL;
1620
1621         if (var->vmode & FB_VMODE_YWRAP) {
1622                 if (var->yoffset < 0 || var->yoffset >= info->var.yres_virtual
1623                                 || var->xoffset)
1624                         return -EINVAL;
1625         } else {
1626                 if (var->xoffset + info->var.xres > info->var.xres_virtual
1627                                 || var->yoffset + info->var.yres
1628                                                 > info->var.yres_virtual)
1629                         return -EINVAL;
1630         }
1631         err = XGIfb_pan_var(xgifb_info, var);
1632         if (err < 0)
1633                 return err;
1634
1635         info->var.xoffset = var->xoffset;
1636         info->var.yoffset = var->yoffset;
1637         if (var->vmode & FB_VMODE_YWRAP)
1638                 info->var.vmode |= FB_VMODE_YWRAP;
1639         else
1640                 info->var.vmode &= ~FB_VMODE_YWRAP;
1641
1642         /* printk("End of pan_display\n"); */
1643         return 0;
1644 }
1645
1646 static int XGIfb_blank(int blank, struct fb_info *info)
1647 {
1648         u8 reg;
1649
1650         reg = xgifb_reg_get(XGICR, 0x17);
1651
1652         if (blank > 0)
1653                 reg &= 0x7f;
1654         else
1655                 reg |= 0x80;
1656
1657         xgifb_reg_set(XGICR, 0x17, reg);
1658         xgifb_reg_set(XGISR, 0x00, 0x01); /* Synchronous Reset */
1659         xgifb_reg_set(XGISR, 0x00, 0x03); /* End Reset */
1660         return 0;
1661 }
1662
1663 static struct fb_ops XGIfb_ops = {
1664         .owner = THIS_MODULE,
1665         .fb_open = XGIfb_open,
1666         .fb_release = XGIfb_release,
1667         .fb_check_var = XGIfb_check_var,
1668         .fb_set_par = XGIfb_set_par,
1669         .fb_setcolreg = XGIfb_setcolreg,
1670         .fb_pan_display = XGIfb_pan_display,
1671         .fb_blank = XGIfb_blank,
1672         .fb_fillrect = cfb_fillrect,
1673         .fb_copyarea = cfb_copyarea,
1674         .fb_imageblit = cfb_imageblit,
1675         /* .fb_mmap = XGIfb_mmap, */
1676 };
1677
1678 /* ---------------- Chip generation dependent routines ---------------- */
1679
1680 /* for XGI 315/550/650/740/330 */
1681
1682 static int XGIfb_get_dram_size(struct xgifb_video_info *xgifb_info)
1683 {
1684
1685         u8 ChannelNum, tmp;
1686         u8 reg = 0;
1687
1688         /* xorg driver sets 32MB * 1 channel */
1689         if (xgifb_info->chip == XG27)
1690                 xgifb_reg_set(XGISR, IND_XGI_DRAM_SIZE, 0x51);
1691
1692         reg = xgifb_reg_get(XGISR, IND_XGI_DRAM_SIZE);
1693         switch ((reg & XGI_DRAM_SIZE_MASK) >> 4) {
1694         case XGI_DRAM_SIZE_1MB:
1695                 xgifb_info->video_size = 0x100000;
1696                 break;
1697         case XGI_DRAM_SIZE_2MB:
1698                 xgifb_info->video_size = 0x200000;
1699                 break;
1700         case XGI_DRAM_SIZE_4MB:
1701                 xgifb_info->video_size = 0x400000;
1702                 break;
1703         case XGI_DRAM_SIZE_8MB:
1704                 xgifb_info->video_size = 0x800000;
1705                 break;
1706         case XGI_DRAM_SIZE_16MB:
1707                 xgifb_info->video_size = 0x1000000;
1708                 break;
1709         case XGI_DRAM_SIZE_32MB:
1710                 xgifb_info->video_size = 0x2000000;
1711                 break;
1712         case XGI_DRAM_SIZE_64MB:
1713                 xgifb_info->video_size = 0x4000000;
1714                 break;
1715         case XGI_DRAM_SIZE_128MB:
1716                 xgifb_info->video_size = 0x8000000;
1717                 break;
1718         case XGI_DRAM_SIZE_256MB:
1719                 xgifb_info->video_size = 0x10000000;
1720                 break;
1721         default:
1722                 return -1;
1723         }
1724
1725         tmp = (reg & 0x0c) >> 2;
1726         switch (xgifb_info->chip) {
1727         case XG20:
1728         case XG21:
1729         case XG27:
1730                 ChannelNum = 1;
1731                 break;
1732
1733         case XG42:
1734                 if (reg & 0x04)
1735                         ChannelNum = 2;
1736                 else
1737                         ChannelNum = 1;
1738                 break;
1739
1740         case XG45:
1741                 if (tmp == 1)
1742                         ChannelNum = 2;
1743                 else if (tmp == 2)
1744                         ChannelNum = 3;
1745                 else if (tmp == 3)
1746                         ChannelNum = 4;
1747                 else
1748                         ChannelNum = 1;
1749                 break;
1750
1751         case XG40:
1752         default:
1753                 if (tmp == 2)
1754                         ChannelNum = 2;
1755                 else if (tmp == 3)
1756                         ChannelNum = 3;
1757                 else
1758                         ChannelNum = 1;
1759                 break;
1760         }
1761
1762         xgifb_info->video_size = xgifb_info->video_size * ChannelNum;
1763         /* PLiad fixed for benchmarking and fb set */
1764         /* xgifb_info->video_size = 0x200000; */ /* 1024x768x16 */
1765         /* xgifb_info->video_size = 0x1000000; */ /* benchmark */
1766
1767         printk("XGIfb: SR14=%x DramSzie %x ChannelNum %x\n",
1768                reg,
1769                xgifb_info->video_size, ChannelNum);
1770         return 0;
1771
1772 }
1773
1774 static void XGIfb_detect_VB(struct xgifb_video_info *xgifb_info)
1775 {
1776         u8 cr32, temp = 0;
1777
1778         xgifb_info->TV_plug = xgifb_info->TV_type = 0;
1779
1780         switch (xgifb_info->hasVB) {
1781         case HASVB_LVDS_CHRONTEL:
1782         case HASVB_CHRONTEL:
1783                 break;
1784         case HASVB_301:
1785         case HASVB_302:
1786                 /* XGI_Sense30x(); */ /* Yi-Lin TV Sense? */
1787                 break;
1788         }
1789
1790         cr32 = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR32);
1791
1792         if ((cr32 & XGI_CRT1) && !XGIfb_crt1off)
1793                 XGIfb_crt1off = 0;
1794         else {
1795                 if (cr32 & 0x5F)
1796                         XGIfb_crt1off = 1;
1797                 else
1798                         XGIfb_crt1off = 0;
1799         }
1800
1801         if (XGIfb_crt2type != -1)
1802                 /* TW: Override with option */
1803                 xgifb_info->disp_state = XGIfb_crt2type;
1804         else if (cr32 & XGI_VB_TV)
1805                 xgifb_info->disp_state = DISPTYPE_TV;
1806         else if (cr32 & XGI_VB_LCD)
1807                 xgifb_info->disp_state = DISPTYPE_LCD;
1808         else if (cr32 & XGI_VB_CRT2)
1809                 xgifb_info->disp_state = DISPTYPE_CRT2;
1810         else
1811                 xgifb_info->disp_state = 0;
1812
1813         if (XGIfb_tvplug != -1)
1814                 /* PR/TW: Override with option */
1815                 xgifb_info->TV_plug = XGIfb_tvplug;
1816         else if (cr32 & XGI_VB_HIVISION) {
1817                 xgifb_info->TV_type = TVMODE_HIVISION;
1818                 xgifb_info->TV_plug = TVPLUG_SVIDEO;
1819         } else if (cr32 & XGI_VB_SVIDEO)
1820                 xgifb_info->TV_plug = TVPLUG_SVIDEO;
1821         else if (cr32 & XGI_VB_COMPOSITE)
1822                 xgifb_info->TV_plug = TVPLUG_COMPOSITE;
1823         else if (cr32 & XGI_VB_SCART)
1824                 xgifb_info->TV_plug = TVPLUG_SCART;
1825
1826         if (xgifb_info->TV_type == 0) {
1827                 temp = xgifb_reg_get(XGICR, 0x38);
1828                 if (temp & 0x10)
1829                         xgifb_info->TV_type = TVMODE_PAL;
1830                 else
1831                         xgifb_info->TV_type = TVMODE_NTSC;
1832         }
1833
1834         /* TW: Copy forceCRT1 option to CRT1off if option is given */
1835         if (XGIfb_forcecrt1 != -1) {
1836                 if (XGIfb_forcecrt1)
1837                         XGIfb_crt1off = 0;
1838                 else
1839                         XGIfb_crt1off = 1;
1840         }
1841 }
1842
1843 static int XGIfb_has_VB(struct xgifb_video_info *xgifb_info)
1844 {
1845         u8 vb_chipid;
1846
1847         vb_chipid = xgifb_reg_get(XGIPART4, 0x00);
1848         switch (vb_chipid) {
1849         case 0x01:
1850                 xgifb_info->hasVB = HASVB_301;
1851                 break;
1852         case 0x02:
1853                 xgifb_info->hasVB = HASVB_302;
1854                 break;
1855         default:
1856                 xgifb_info->hasVB = HASVB_NONE;
1857                 return 0;
1858         }
1859         return 1;
1860 }
1861
1862 static void XGIfb_get_VB_type(struct xgifb_video_info *xgifb_info)
1863 {
1864         u8 reg;
1865
1866         if (!XGIfb_has_VB(xgifb_info)) {
1867                 reg = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR37);
1868                 switch ((reg & XGI_EXTERNAL_CHIP_MASK) >> 1) {
1869                 case XGI310_EXTERNAL_CHIP_LVDS:
1870                         xgifb_info->hasVB = HASVB_LVDS;
1871                         break;
1872                 case XGI310_EXTERNAL_CHIP_LVDS_CHRONTEL:
1873                         xgifb_info->hasVB = HASVB_LVDS_CHRONTEL;
1874                         break;
1875                 default:
1876                         break;
1877                 }
1878         }
1879 }
1880
1881 static int __init xgifb_optval(char *fullopt, int validx)
1882 {
1883         unsigned long lres;
1884
1885         if (kstrtoul(fullopt + validx, 0, &lres) < 0 || lres > INT_MAX) {
1886                 pr_err("xgifb: invalid value for option: %s\n", fullopt);
1887                 return 0;
1888         }
1889         return lres;
1890 }
1891
1892 static int __init XGIfb_setup(char *options)
1893 {
1894         char *this_opt;
1895
1896         if (!options || !*options)
1897                 return 0;
1898
1899         pr_info("xgifb: options: %s\n", options);
1900
1901         while ((this_opt = strsep(&options, ",")) != NULL) {
1902
1903                 if (!*this_opt)
1904                         continue;
1905
1906                 if (!strncmp(this_opt, "mode:", 5)) {
1907                         mode = this_opt + 5;
1908                 } else if (!strncmp(this_opt, "vesa:", 5)) {
1909                         vesa = xgifb_optval(this_opt, 5);
1910                 } else if (!strncmp(this_opt, "vrate:", 6)) {
1911                         refresh_rate = xgifb_optval(this_opt, 6);
1912                 } else if (!strncmp(this_opt, "rate:", 5)) {
1913                         refresh_rate = xgifb_optval(this_opt, 5);
1914                 } else if (!strncmp(this_opt, "crt1off", 7)) {
1915                         XGIfb_crt1off = 1;
1916                 } else if (!strncmp(this_opt, "filter:", 7)) {
1917                         filter = xgifb_optval(this_opt, 7);
1918                 } else if (!strncmp(this_opt, "forcecrt2type:", 14)) {
1919                         XGIfb_search_crt2type(this_opt + 14);
1920                 } else if (!strncmp(this_opt, "forcecrt1:", 10)) {
1921                         XGIfb_forcecrt1 = xgifb_optval(this_opt, 10);
1922                 } else if (!strncmp(this_opt, "tvmode:", 7)) {
1923                         XGIfb_search_tvstd(this_opt + 7);
1924                 } else if (!strncmp(this_opt, "tvstandard:", 11)) {
1925                         XGIfb_search_tvstd(this_opt + 7);
1926                 } else if (!strncmp(this_opt, "dstn", 4)) {
1927                         enable_dstn = 1;
1928                         /* TW: DSTN overrules forcecrt2type */
1929                         XGIfb_crt2type = DISPTYPE_LCD;
1930                 } else if (!strncmp(this_opt, "noypan", 6)) {
1931                         XGIfb_ypan = 0;
1932                 } else if (!strncmp(this_opt, "userom:", 7)) {
1933                         XGIfb_userom = xgifb_optval(this_opt, 7);
1934                 } else {
1935                         mode = this_opt;
1936                 }
1937         }
1938         return 0;
1939 }
1940
1941 static unsigned char *xgifb_copy_rom(struct pci_dev *dev)
1942 {
1943         void __iomem *rom_address;
1944         unsigned char *rom_copy;
1945         size_t rom_size;
1946
1947         rom_address = pci_map_rom(dev, &rom_size);
1948         if (rom_address == NULL)
1949                 return NULL;
1950
1951         rom_copy = vzalloc(XGIFB_ROM_SIZE);
1952         if (rom_copy == NULL)
1953                 goto done;
1954
1955         rom_size = min_t(size_t, rom_size, XGIFB_ROM_SIZE);
1956         memcpy_fromio(rom_copy, rom_address, rom_size);
1957
1958 done:
1959         pci_unmap_rom(dev, rom_address);
1960         return rom_copy;
1961 }
1962
1963 static int __devinit xgifb_probe(struct pci_dev *pdev,
1964                 const struct pci_device_id *ent)
1965 {
1966         u8 reg, reg1;
1967         u8 CR48, CR38;
1968         int ret;
1969         bool xgi21_drvlcdcaplist = false;
1970         struct fb_info *fb_info;
1971         struct xgifb_video_info *xgifb_info;
1972         struct xgi_hw_device_info *hw_info;
1973
1974         fb_info = framebuffer_alloc(sizeof(*xgifb_info), &pdev->dev);
1975         if (!fb_info)
1976                 return -ENOMEM;
1977
1978         xgifb_info = fb_info->par;
1979         hw_info = &xgifb_info->hw_info;
1980         xgifb_info->fb_info = fb_info;
1981         xgifb_info->chip_id = pdev->device;
1982         pci_read_config_byte(pdev,
1983                              PCI_REVISION_ID,
1984                              &xgifb_info->revision_id);
1985         hw_info->jChipRevision = xgifb_info->revision_id;
1986
1987         xgifb_info->pcibus = pdev->bus->number;
1988         xgifb_info->pcislot = PCI_SLOT(pdev->devfn);
1989         xgifb_info->pcifunc = PCI_FUNC(pdev->devfn);
1990         xgifb_info->subsysvendor = pdev->subsystem_vendor;
1991         xgifb_info->subsysdevice = pdev->subsystem_device;
1992
1993         xgifb_info->video_base = pci_resource_start(pdev, 0);
1994         xgifb_info->mmio_base = pci_resource_start(pdev, 1);
1995         xgifb_info->mmio_size = pci_resource_len(pdev, 1);
1996         xgifb_info->vga_base = pci_resource_start(pdev, 2) + 0x30;
1997         hw_info->pjIOAddress = (unsigned char *)xgifb_info->vga_base;
1998         /* XGI_Pr.RelIO  = ioremap(pci_resource_start(pdev, 2), 128) + 0x30; */
1999         printk("XGIfb: Relocate IO address: %lx [%08lx]\n",
2000                (unsigned long)pci_resource_start(pdev, 2), XGI_Pr.RelIO);
2001
2002         if (pci_enable_device(pdev)) {
2003                 ret = -EIO;
2004                 goto error;
2005         }
2006
2007         XGIRegInit(&XGI_Pr, (unsigned long)hw_info->pjIOAddress);
2008
2009         xgifb_reg_set(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD);
2010         reg1 = xgifb_reg_get(XGISR, IND_XGI_PASSWORD);
2011
2012         if (reg1 != 0xa1) { /*I/O error */
2013                 printk("\nXGIfb: I/O error!!!");
2014                 ret = -EIO;
2015                 goto error;
2016         }
2017
2018         switch (xgifb_info->chip_id) {
2019         case PCI_DEVICE_ID_XG_20:
2020                 xgifb_reg_or(XGICR, Index_CR_GPIO_Reg3, GPIOG_EN);
2021                 CR48 = xgifb_reg_get(XGICR, Index_CR_GPIO_Reg1);
2022                 if (CR48&GPIOG_READ)
2023                         xgifb_info->chip = XG21;
2024                 else
2025                         xgifb_info->chip = XG20;
2026                 XGIfb_CRT2_write_enable = IND_XGI_CRT2_WRITE_ENABLE_315;
2027                 break;
2028         case PCI_DEVICE_ID_XG_40:
2029                 xgifb_info->chip = XG40;
2030                 XGIfb_CRT2_write_enable = IND_XGI_CRT2_WRITE_ENABLE_315;
2031                 break;
2032         case PCI_DEVICE_ID_XG_41:
2033                 xgifb_info->chip = XG41;
2034                 XGIfb_CRT2_write_enable = IND_XGI_CRT2_WRITE_ENABLE_315;
2035                 break;
2036         case PCI_DEVICE_ID_XG_42:
2037                 xgifb_info->chip = XG42;
2038                 XGIfb_CRT2_write_enable = IND_XGI_CRT2_WRITE_ENABLE_315;
2039                 break;
2040         case PCI_DEVICE_ID_XG_27:
2041                 xgifb_info->chip = XG27;
2042                 XGIfb_CRT2_write_enable = IND_XGI_CRT2_WRITE_ENABLE_315;
2043                 break;
2044         default:
2045                 ret = -ENODEV;
2046                 goto error;
2047         }
2048
2049         printk("XGIfb:chipid = %x\n", xgifb_info->chip);
2050         hw_info->jChipType = xgifb_info->chip;
2051
2052         if ((xgifb_info->chip == XG21) || (XGIfb_userom)) {
2053                 hw_info->pjVirtualRomBase = xgifb_copy_rom(pdev);
2054                 if (hw_info->pjVirtualRomBase)
2055                         printk(KERN_INFO "XGIfb: Video ROM found and mapped to %p\n",
2056                                hw_info->pjVirtualRomBase);
2057                 else
2058                         printk(KERN_INFO "XGIfb: Video ROM not found\n");
2059         } else {
2060                 hw_info->pjVirtualRomBase = NULL;
2061                 printk(KERN_INFO "XGIfb: Video ROM usage disabled\n");
2062         }
2063
2064         if (XGIfb_get_dram_size(xgifb_info)) {
2065                 printk(KERN_INFO "XGIfb: Fatal error: Unable to determine RAM size.\n");
2066                 ret = -ENODEV;
2067                 goto error;
2068         }
2069
2070         /* Enable PCI_LINEAR_ADDRESSING and MMIO_ENABLE  */
2071         xgifb_reg_or(XGISR,
2072                      IND_XGI_PCI_ADDRESS_SET,
2073                      (XGI_PCI_ADDR_ENABLE | XGI_MEM_MAP_IO_ENABLE));
2074         /* Enable 2D accelerator engine */
2075         xgifb_reg_or(XGISR, IND_XGI_MODULE_ENABLE, XGI_ENABLE_2D);
2076
2077         hw_info->ulVideoMemorySize = xgifb_info->video_size;
2078
2079         if (!request_mem_region(xgifb_info->video_base,
2080                                 xgifb_info->video_size,
2081                                 "XGIfb FB")) {
2082                 printk("unable request memory size %x",
2083                        xgifb_info->video_size);
2084                 printk(KERN_ERR "XGIfb: Fatal error: Unable to reserve frame buffer memory\n");
2085                 printk(KERN_ERR "XGIfb: Is there another framebuffer driver active?\n");
2086                 ret = -ENODEV;
2087                 goto error;
2088         }
2089
2090         if (!request_mem_region(xgifb_info->mmio_base,
2091                                 xgifb_info->mmio_size,
2092                                 "XGIfb MMIO")) {
2093                 printk(KERN_ERR "XGIfb: Fatal error: Unable to reserve MMIO region\n");
2094                 ret = -ENODEV;
2095                 goto error_0;
2096         }
2097
2098         xgifb_info->video_vbase = hw_info->pjVideoMemoryAddress =
2099         ioremap(xgifb_info->video_base, xgifb_info->video_size);
2100         xgifb_info->mmio_vbase = ioremap(xgifb_info->mmio_base,
2101                                             xgifb_info->mmio_size);
2102
2103         printk(KERN_INFO "XGIfb: Framebuffer at 0x%lx, mapped to 0x%p, size %dk\n",
2104                xgifb_info->video_base,
2105                xgifb_info->video_vbase,
2106                xgifb_info->video_size / 1024);
2107
2108         printk(KERN_INFO "XGIfb: MMIO at 0x%lx, mapped to 0x%p, size %ldk\n",
2109                xgifb_info->mmio_base, xgifb_info->mmio_vbase,
2110                xgifb_info->mmio_size / 1024);
2111         printk("XGIfb: XGIInitNew() ...");
2112         pci_set_drvdata(pdev, xgifb_info);
2113         if (XGIInitNew(pdev))
2114                 printk("OK\n");
2115         else
2116                 printk("Fail\n");
2117
2118         xgifb_info->mtrr = (unsigned int) 0;
2119
2120         xgifb_info->hasVB = HASVB_NONE;
2121         if ((xgifb_info->chip == XG20) ||
2122             (xgifb_info->chip == XG27)) {
2123                 xgifb_info->hasVB = HASVB_NONE;
2124         } else if (xgifb_info->chip == XG21) {
2125                 CR38 = xgifb_reg_get(XGICR, 0x38);
2126                 if ((CR38&0xE0) == 0xC0) {
2127                         xgifb_info->disp_state = DISPTYPE_LCD;
2128                         if (!XGIfb_GetXG21LVDSData(xgifb_info))
2129                                 xgi21_drvlcdcaplist = true;
2130                 } else if ((CR38&0xE0) == 0x60) {
2131                         xgifb_info->hasVB = HASVB_CHRONTEL;
2132                 } else {
2133                         xgifb_info->hasVB = HASVB_NONE;
2134                 }
2135         } else {
2136                 XGIfb_get_VB_type(xgifb_info);
2137         }
2138
2139         hw_info->ujVBChipID = VB_CHIP_UNKNOWN;
2140
2141         hw_info->ulExternalChip = 0;
2142
2143         switch (xgifb_info->hasVB) {
2144         case HASVB_301:
2145                 reg = xgifb_reg_get(XGIPART4, 0x01);
2146                 if (reg >= 0xE0) {
2147                         hw_info->ujVBChipID = VB_CHIP_302LV;
2148                         printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n", reg);
2149                 } else if (reg >= 0xD0) {
2150                         hw_info->ujVBChipID = VB_CHIP_301LV;
2151                         printk(KERN_INFO "XGIfb: XGI301LV bridge detected (revision 0x%02x)\n", reg);
2152                 }
2153                 /* else if (reg >= 0xB0) {
2154                         hw_info->ujVBChipID = VB_CHIP_301B;
2155                         reg1 = xgifb_reg_get(XGIPART4, 0x23);
2156                         printk("XGIfb: XGI301B bridge detected\n");
2157                 } */
2158                 else {
2159                         hw_info->ujVBChipID = VB_CHIP_301;
2160                         printk("XGIfb: XGI301 bridge detected\n");
2161                 }
2162                 break;
2163         case HASVB_302:
2164                 reg = xgifb_reg_get(XGIPART4, 0x01);
2165                 if (reg >= 0xE0) {
2166                         hw_info->ujVBChipID = VB_CHIP_302LV;
2167                         printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n", reg);
2168                 } else if (reg >= 0xD0) {
2169                         hw_info->ujVBChipID = VB_CHIP_301LV;
2170                         printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n", reg);
2171                 } else if (reg >= 0xB0) {
2172                         reg1 = xgifb_reg_get(XGIPART4, 0x23);
2173
2174                         hw_info->ujVBChipID = VB_CHIP_302B;
2175
2176                 } else {
2177                         hw_info->ujVBChipID = VB_CHIP_302;
2178                         printk(KERN_INFO "XGIfb: XGI302 bridge detected\n");
2179                 }
2180                 break;
2181         case HASVB_LVDS:
2182                 hw_info->ulExternalChip = 0x1;
2183                 printk(KERN_INFO "XGIfb: LVDS transmitter detected\n");
2184                 break;
2185         case HASVB_TRUMPION:
2186                 hw_info->ulExternalChip = 0x2;
2187                 printk(KERN_INFO "XGIfb: Trumpion Zurac LVDS scaler detected\n");
2188                 break;
2189         case HASVB_CHRONTEL:
2190                 hw_info->ulExternalChip = 0x4;
2191                 printk(KERN_INFO "XGIfb: Chrontel TV encoder detected\n");
2192                 break;
2193         case HASVB_LVDS_CHRONTEL:
2194                 hw_info->ulExternalChip = 0x5;
2195                 printk(KERN_INFO "XGIfb: LVDS transmitter and Chrontel TV encoder detected\n");
2196                 break;
2197         default:
2198                 printk(KERN_INFO "XGIfb: No or unknown bridge type detected\n");
2199                 break;
2200         }
2201
2202         if (xgifb_info->hasVB != HASVB_NONE)
2203                 XGIfb_detect_VB(xgifb_info);
2204
2205         if (xgifb_info->disp_state & DISPTYPE_DISP2) {
2206                 if (XGIfb_crt1off)
2207                         xgifb_info->disp_state |= DISPMODE_SINGLE;
2208                 else
2209                         xgifb_info->disp_state |= (DISPMODE_MIRROR |
2210                                                       DISPTYPE_CRT1);
2211         } else {
2212                 xgifb_info->disp_state = DISPMODE_SINGLE |
2213                                             DISPTYPE_CRT1;
2214         }
2215
2216         if (xgifb_info->disp_state & DISPTYPE_LCD) {
2217                 if (!enable_dstn) {
2218                         reg = xgifb_reg_get(XGICR, IND_XGI_LCD_PANEL);
2219                         reg &= 0x0f;
2220                         hw_info->ulCRT2LCDType = XGI310paneltype[reg];
2221
2222                 } else {
2223                         /* TW: FSTN/DSTN */
2224                         hw_info->ulCRT2LCDType = LCD_320x480;
2225                 }
2226         }
2227
2228         if ((hw_info->ujVBChipID == VB_CHIP_302B) ||
2229                         (hw_info->ujVBChipID == VB_CHIP_301LV) ||
2230                         (hw_info->ujVBChipID == VB_CHIP_302LV)) {
2231                 int tmp;
2232                 tmp = xgifb_reg_get(XGICR, 0x34);
2233                 if (tmp <= 0x13) {
2234                         /* Currently on LCDA?
2235                          *(Some BIOSes leave CR38) */
2236                         tmp = xgifb_reg_get(XGICR, 0x38);
2237                         if ((tmp & 0x03) == 0x03) {
2238                                 /* XGI_Pr.XGI_UseLCDA = 1; */
2239                         } else {
2240                                 /* Currently on LCDA?
2241                                  *(Some newer BIOSes set D0 in CR35) */
2242                                 tmp = xgifb_reg_get(XGICR, 0x35);
2243                                 if (tmp & 0x01) {
2244                                         /* XGI_Pr.XGI_UseLCDA = 1; */
2245                                 } else {
2246                                         tmp = xgifb_reg_get(XGICR,
2247                                                             0x30);
2248                                         if (tmp & 0x20) {
2249                                                 tmp = xgifb_reg_get(
2250                                                         XGIPART1, 0x13);
2251                                                 if (tmp & 0x04) {
2252                                                         /* XGI_Pr.XGI_UseLCDA = 1; */
2253                                                 }
2254                                         }
2255                                 }
2256                         }
2257                 }
2258
2259         }
2260
2261         xgifb_info->mode_idx = -1;
2262
2263         if (mode)
2264                 XGIfb_search_mode(xgifb_info, mode);
2265         else if (vesa != -1)
2266                 XGIfb_search_vesamode(xgifb_info, vesa);
2267
2268         if (xgifb_info->mode_idx >= 0)
2269                 xgifb_info->mode_idx =
2270                         XGIfb_validate_mode(xgifb_info, xgifb_info->mode_idx);
2271
2272         if (xgifb_info->mode_idx < 0) {
2273                 if ((xgifb_info->disp_state & DISPTYPE_DISP2) ==
2274                         DISPTYPE_LCD &&
2275                     xgifb_info->chip == XG21)
2276                         xgifb_info->mode_idx =
2277                                 XGIfb_GetXG21DefaultLVDSModeIdx();
2278                 else
2279                         xgifb_info->mode_idx = DEFAULT_MODE;
2280         }
2281
2282         if (xgifb_info->mode_idx < 0) {
2283                 dev_err(&pdev->dev, "no supported video mode found\n");
2284                 goto error_1;
2285         }
2286
2287         if (xgi21_drvlcdcaplist) {
2288                 int m;
2289
2290                 for (m = 0; m < ARRAY_SIZE(XGI21_LCDCapList); m++)
2291                         if ((XGI21_LCDCapList[m].LVDSHDE ==
2292                                 XGIbios_mode[xgifb_info->mode_idx].xres) &&
2293                             (XGI21_LCDCapList[m].LVDSVDE ==
2294                                 XGIbios_mode[xgifb_info->mode_idx].yres)) {
2295                                 xgifb_reg_set(XGI_Pr.P3d4, 0x36, m);
2296                                 break;
2297                         }
2298         }
2299
2300         /* yilin set default refresh rate */
2301         xgifb_info->refresh_rate = refresh_rate;
2302         if (xgifb_info->refresh_rate == 0)
2303                 xgifb_info->refresh_rate = 60;
2304         if (XGIfb_search_refresh_rate(xgifb_info,
2305                         xgifb_info->refresh_rate) == 0) {
2306                 xgifb_info->rate_idx =
2307                         XGIbios_mode[xgifb_info->mode_idx].rate_idx;
2308                 xgifb_info->refresh_rate = 60;
2309         }
2310
2311         xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp;
2312         xgifb_info->video_vwidth =
2313                 xgifb_info->video_width =
2314                         XGIbios_mode[xgifb_info->mode_idx].xres;
2315         xgifb_info->video_vheight =
2316                 xgifb_info->video_height =
2317                         XGIbios_mode[xgifb_info->mode_idx].yres;
2318         xgifb_info->org_x = xgifb_info->org_y = 0;
2319         xgifb_info->video_linelength =
2320                 xgifb_info->video_width *
2321                 (xgifb_info->video_bpp >> 3);
2322         switch (xgifb_info->video_bpp) {
2323         case 8:
2324                 xgifb_info->DstColor = 0x0000;
2325                 xgifb_info->XGI310_AccelDepth = 0x00000000;
2326                 xgifb_info->video_cmap_len = 256;
2327                 break;
2328         case 16:
2329                 xgifb_info->DstColor = 0x8000;
2330                 xgifb_info->XGI310_AccelDepth = 0x00010000;
2331                 xgifb_info->video_cmap_len = 16;
2332                 break;
2333         case 32:
2334                 xgifb_info->DstColor = 0xC000;
2335                 xgifb_info->XGI310_AccelDepth = 0x00020000;
2336                 xgifb_info->video_cmap_len = 16;
2337                 break;
2338         default:
2339                 xgifb_info->video_cmap_len = 16;
2340                 printk(KERN_INFO "XGIfb: Unsupported depth %d",
2341                        xgifb_info->video_bpp);
2342                 break;
2343         }
2344
2345         printk(KERN_INFO "XGIfb: Default mode is %dx%dx%d (%dHz)\n",
2346                xgifb_info->video_width,
2347                xgifb_info->video_height,
2348                xgifb_info->video_bpp,
2349                xgifb_info->refresh_rate);
2350
2351         default_var.xres =
2352                 default_var.xres_virtual =
2353                         xgifb_info->video_width;
2354         default_var.yres =
2355                 default_var.yres_virtual =
2356                         xgifb_info->video_height;
2357         default_var.bits_per_pixel = xgifb_info->video_bpp;
2358
2359         XGIfb_bpp_to_var(xgifb_info, &default_var);
2360
2361         default_var.pixclock = (u32) (1000000000 /
2362                         XGIfb_mode_rate_to_dclock(&XGI_Pr, hw_info,
2363                                 XGIbios_mode[xgifb_info->mode_idx].mode_no,
2364                                 xgifb_info->rate_idx));
2365
2366         if (XGIfb_mode_rate_to_ddata(&XGI_Pr, hw_info,
2367                 XGIbios_mode[xgifb_info->mode_idx].mode_no,
2368                 xgifb_info->rate_idx,
2369                 &default_var.left_margin, &default_var.right_margin,
2370                 &default_var.upper_margin, &default_var.lower_margin,
2371                 &default_var.hsync_len, &default_var.vsync_len,
2372                 &default_var.sync, &default_var.vmode)) {
2373
2374                 if ((default_var.vmode & FB_VMODE_MASK) ==
2375                     FB_VMODE_INTERLACED) {
2376                         default_var.yres <<= 1;
2377                         default_var.yres_virtual <<= 1;
2378                 } else if ((default_var.vmode & FB_VMODE_MASK) ==
2379                            FB_VMODE_DOUBLE) {
2380                         default_var.pixclock >>= 1;
2381                         default_var.yres >>= 1;
2382                         default_var.yres_virtual >>= 1;
2383                 }
2384
2385         }
2386
2387         fb_info->flags = FBINFO_FLAG_DEFAULT;
2388         fb_info->var = default_var;
2389         fb_info->fix = XGIfb_fix;
2390         fb_info->screen_base = xgifb_info->video_vbase;
2391         fb_info->fbops = &XGIfb_ops;
2392         XGIfb_get_fix(&fb_info->fix, -1, fb_info);
2393         fb_info->pseudo_palette = xgifb_info->pseudo_palette;
2394
2395         fb_alloc_cmap(&fb_info->cmap, 256 , 0);
2396
2397 #ifdef CONFIG_MTRR
2398         xgifb_info->mtrr = mtrr_add(xgifb_info->video_base,
2399                 xgifb_info->video_size, MTRR_TYPE_WRCOMB, 1);
2400         if (xgifb_info->mtrr >= 0)
2401                 dev_info(&pdev->dev, "added MTRR\n");
2402 #endif
2403
2404         if (register_framebuffer(fb_info) < 0) {
2405                 ret = -EINVAL;
2406                 goto error_mtrr;
2407         }
2408
2409         dumpVGAReg();
2410
2411         return 0;
2412
2413 error_mtrr:
2414 #ifdef CONFIG_MTRR
2415         if (xgifb_info->mtrr >= 0)
2416                 mtrr_del(xgifb_info->mtrr, xgifb_info->video_base,
2417                         xgifb_info->video_size);
2418 #endif /* CONFIG_MTRR */
2419 error_1:
2420         iounmap(xgifb_info->mmio_vbase);
2421         iounmap(xgifb_info->video_vbase);
2422         release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
2423 error_0:
2424         release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
2425 error:
2426         vfree(hw_info->pjVirtualRomBase);
2427         framebuffer_release(fb_info);
2428         return ret;
2429 }
2430
2431 /*****************************************************/
2432 /*                PCI DEVICE HANDLING                */
2433 /*****************************************************/
2434
2435 static void __devexit xgifb_remove(struct pci_dev *pdev)
2436 {
2437         struct xgifb_video_info *xgifb_info = pci_get_drvdata(pdev);
2438         struct fb_info *fb_info = xgifb_info->fb_info;
2439
2440         unregister_framebuffer(fb_info);
2441 #ifdef CONFIG_MTRR
2442         if (xgifb_info->mtrr >= 0)
2443                 mtrr_del(xgifb_info->mtrr, xgifb_info->video_base,
2444                         xgifb_info->video_size);
2445 #endif /* CONFIG_MTRR */
2446         iounmap(xgifb_info->mmio_vbase);
2447         iounmap(xgifb_info->video_vbase);
2448         release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
2449         release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
2450         vfree(xgifb_info->hw_info.pjVirtualRomBase);
2451         framebuffer_release(fb_info);
2452         pci_set_drvdata(pdev, NULL);
2453 }
2454
2455 static struct pci_driver xgifb_driver = {
2456         .name = "xgifb",
2457         .id_table = xgifb_pci_table,
2458         .probe = xgifb_probe,
2459         .remove = __devexit_p(xgifb_remove)
2460 };
2461
2462 static int __init xgifb_init(void)
2463 {
2464         char *option = NULL;
2465
2466         if (fb_get_options("xgifb", &option))
2467                 return -ENODEV;
2468         XGIfb_setup(option);
2469
2470         return pci_register_driver(&xgifb_driver);
2471 }
2472
2473 module_init(xgifb_init);
2474
2475 /*****************************************************/
2476 /*                      MODULE                       */
2477 /*****************************************************/
2478
2479 #ifdef MODULE
2480
2481 MODULE_DESCRIPTION("Z7 Z9 Z9S Z11 framebuffer device driver");
2482 MODULE_LICENSE("GPL");
2483 MODULE_AUTHOR("XGITECH , Others");
2484
2485 module_param(mode, charp, 0);
2486 module_param(vesa, int, 0);
2487 module_param(filter, int, 0);
2488
2489 MODULE_PARM_DESC(mode,
2490         "\nSelects the desired default display mode in the format XxYxDepth,\n"
2491         "eg. 1024x768x16.\n");
2492
2493 MODULE_PARM_DESC(vesa,
2494         "\nSelects the desired default display mode by VESA mode number, eg.\n"
2495         "0x117.\n");
2496
2497 MODULE_PARM_DESC(filter,
2498                 "\nSelects TV flicker filter type (only for systems with a SiS301 video bridge).\n"
2499                 "(Possible values 0-7, default: [no filter])\n");
2500
2501 static void __exit xgifb_remove_module(void)
2502 {
2503         pci_unregister_driver(&xgifb_driver);
2504         printk(KERN_DEBUG "xgifb: Module unloaded\n");
2505 }
2506
2507 module_exit(xgifb_remove_module);
2508
2509 #endif  /*  /MODULE  */