drivers/staging/xgifb/XGI_main_26.c

   1 /*
   2  * XG20, XG21, XG40, XG42 frame buffer device
   3  * for Linux kernels  2.5.x, 2.6.x
   4  * Base on TW's sis fbdev code.
   5  */
   6
   7 /* #include <linux/config.h> */
   8 #include <linux/module.h>
   9 #include <linux/moduleparam.h>
  10 #include <linux/kernel.h>
  11 #include <linux/spinlock.h>
  12 #include <linux/errno.h>
  13 #include <linux/string.h>
  14 #include <linux/mm.h>
  15 #include <linux/tty.h>
  16 #include <linux/slab.h>
  17 #include <linux/delay.h>
  18 #include <linux/fb.h>
  19 #include <linux/console.h>
  20 #include <linux/selection.h>
  21 #include <linux/ioport.h>
  22 #include <linux/init.h>
  23 #include <linux/pci.h>
  24 #include <linux/vmalloc.h>
  25 #include <linux/vt_kern.h>
  26 #include <linux/capability.h>
  27 #include <linux/fs.h>
  28 #include <linux/types.h>
  29 #include <linux/proc_fs.h>
  30
  31 #include <linux/io.h>
  32 #ifdef CONFIG_MTRR
  33 #include <asm/mtrr.h>
  34 #endif
  35
  36 #include "XGIfb.h"
  37 #include "vgatypes.h"
  38 #include "XGI_main.h"
  39 #include "vb_init.h"
  40 #include "vb_util.h"
  41 #include "vb_setmode.h"
  42
  43 #define Index_CR_GPIO_Reg1 0x48
  44 #define Index_CR_GPIO_Reg3 0x4a
  45
  46 #define GPIOG_EN    (1<<6)
  47 #define GPIOG_READ  (1<<1)
  48
  49 #define XGIFB_ROM_SIZE  65536
  50
  51 static char *mode;
  52 static int vesa = -1;
  53 static unsigned int refresh_rate;
  54
  55 /* -------------------- Macro definitions ---------------------------- */
  56
  57 #undef XGIFBDEBUG
  58
  59 #ifdef XGIFBDEBUG
  60 #define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt, __FUNCTION__ , ## args)
  61 #else
  62 #define DPRINTK(fmt, args...)
  63 #endif
  64
  65 #ifdef XGIFBDEBUG
  66 static void dumpVGAReg(void)
  67 {
  68         u8 i, reg;
  69
  70         xgifb_reg_set(XGISR, 0x05, 0x86);
  71         /*
  72         xgifb_reg_set(XGISR, 0x08, 0x4f);
  73         xgifb_reg_set(XGISR, 0x0f, 0x20);
  74         xgifb_reg_set(XGISR, 0x11, 0x4f);
  75         xgifb_reg_set(XGISR, 0x13, 0x45);
  76         xgifb_reg_set(XGISR, 0x14, 0x51);
  77         xgifb_reg_set(XGISR, 0x1e, 0x41);
  78         xgifb_reg_set(XGISR, 0x1f, 0x0);
  79         xgifb_reg_set(XGISR, 0x20, 0xa1);
  80         xgifb_reg_set(XGISR, 0x22, 0xfb);
  81         xgifb_reg_set(XGISR, 0x26, 0x22);
  82         xgifb_reg_set(XGISR, 0x3e, 0x07);
  83         */
  84
  85         /* xgifb_reg_set(XGICR, 0x19, 0x00); */
  86         /* xgifb_reg_set(XGICR, 0x1a, 0x3C); */
  87         /* xgifb_reg_set(XGICR, 0x22, 0xff); */
  88         /* xgifb_reg_set(XGICR, 0x3D, 0x10); */
  89
  90         /* xgifb_reg_set(XGICR, 0x4a, 0xf3); */
  91
  92         /* xgifb_reg_set(XGICR, 0x57, 0x0); */
  93         /* xgifb_reg_set(XGICR, 0x7a, 0x2c); */
  94
  95         /* xgifb_reg_set(XGICR, 0x82, 0xcc); */
  96         /* xgifb_reg_set(XGICR, 0x8c, 0x0); */
  97         /*
  98         xgifb_reg_set(XGICR, 0x99, 0x1);
  99         xgifb_reg_set(XGICR, 0x41, 0x40);
 100         */
 101
 102         for (i = 0; i < 0x4f; i++) {
 103                 reg = xgifb_reg_get(XGISR, i);
 104                 printk("\no 3c4 %x", i);
 105                 printk("\ni 3c5 => %x", reg);
 106         }
 107
 108         for (i = 0; i < 0xF0; i++) {
 109                 reg = xgifb_reg_get(XGICR, i);
 110                 printk("\no 3d4 %x", i);
 111                 printk("\ni 3d5 => %x", reg);
 112         }
 113         /*
 114         xgifb_reg_set(XGIPART1,0x2F,1);
 115         for (i=1; i < 0x50; i++) {
 116                 reg = xgifb_reg_get(XGIPART1, i);
 117                 printk("\no d004 %x", i);
 118                 printk("\ni d005 => %x", reg);
 119         }
 120
 121         for (i=0; i < 0x50; i++) {
 122                  reg = xgifb_reg_get(XGIPART2, i);
 123                  printk("\no d010 %x", i);
 124                  printk("\ni d011 => %x", reg);
 125         }
 126         for (i=0; i < 0x50; i++) {
 127                 reg = xgifb_reg_get(XGIPART3, i);
 128                 printk("\no d012 %x",i);
 129                 printk("\ni d013 => %x",reg);
 130         }
 131         for (i=0; i < 0x50; i++) {
 132                 reg = xgifb_reg_get(XGIPART4, i);
 133                 printk("\no d014 %x",i);
 134                 printk("\ni d015 => %x",reg);
 135         }
 136         */
 137 }
 138 #else
 139 static inline void dumpVGAReg(void)
 140 {
 141 }
 142 #endif
 143
 144 #if 1
 145 #define DEBUGPRN(x)
 146 #else
 147 #define DEBUGPRN(x) printk(KERN_INFO x "\n");
 148 #endif
 149
 150 /* --------------- Hardware Access Routines -------------------------- */
 151
 152 static int XGIfb_mode_rate_to_dclock(struct vb_device_info *XGI_Pr,
 153                 struct xgi_hw_device_info *HwDeviceExtension,
 154                 unsigned char modeno, unsigned char rateindex)
 155 {
 156         unsigned short ModeNo = modeno;
 157         unsigned short ModeIdIndex = 0, ClockIndex = 0;
 158         unsigned short RefreshRateTableIndex = 0;
 159
 160         /* unsigned long  temp = 0; */
 161         int Clock;
 162         XGI_Pr->ROMAddr = HwDeviceExtension->pjVirtualRomBase;
 163         InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
 164
 165         RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
 166                         ModeIdIndex, XGI_Pr);
 167
 168         /*
 169         temp = XGI_SearchModeID(ModeNo , &ModeIdIndex,  XGI_Pr) ;
 170         if (!temp) {
 171                 printk(KERN_ERR "Could not find mode %x\n", ModeNo);
 172                 return 65000;
 173         }
 174
 175         RefreshRateTableIndex = XGI_Pr->EModeIDTable[ModeIdIndex].REFindex;
 176         RefreshRateTableIndex += (rateindex - 1);
 177
 178         */
 179         ClockIndex = XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_CRTVCLK;
 180
 181         Clock = XGI_Pr->VCLKData[ClockIndex].CLOCK * 1000;
 182
 183         return Clock;
 184 }
 185
 186 static int XGIfb_mode_rate_to_ddata(struct vb_device_info *XGI_Pr,
 187                 struct xgi_hw_device_info *HwDeviceExtension,
 188                 unsigned char modeno, unsigned char rateindex,
 189                 u32 *left_margin, u32 *right_margin, u32 *upper_margin,
 190                 u32 *lower_margin, u32 *hsync_len, u32 *vsync_len, u32 *sync,
 191                 u32 *vmode)
 192 {
 193         unsigned short ModeNo = modeno;
 194         unsigned short ModeIdIndex = 0, index = 0;
 195         unsigned short RefreshRateTableIndex = 0;
 196
 197         unsigned short VRE, VBE, VRS, VBS, VDE, VT;
 198         unsigned short HRE, HBE, HRS, HBS, HDE, HT;
 199         unsigned char sr_data, cr_data, cr_data2;
 200         unsigned long cr_data3;
 201         int A, B, C, D, E, F, temp, j;
 202         XGI_Pr->ROMAddr = HwDeviceExtension->pjVirtualRomBase;
 203         InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
 204         RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
 205                         ModeIdIndex, XGI_Pr);
 206         /*
 207         temp = XGI_SearchModeID(ModeNo, &ModeIdIndex, XGI_Pr);
 208         if (!temp)
 209                 return 0;
 210
 211         RefreshRateTableIndex = XGI_Pr->EModeIDTable[ModeIdIndex].REFindex;
 212         RefreshRateTableIndex += (rateindex - 1);
 213         */
 214         index = XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_CRT1CRTC;
 215
 216         sr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[5];
 217
 218         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[0];
 219
 220         /* Horizontal total */
 221         HT = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x03) << 8);
 222         A = HT + 5;
 223
 224         /*
 225         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[1];
 226
 227         Horizontal display enable end
 228         HDE = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x0C) << 6);
 229         */
 230         HDE = (XGI_Pr->RefIndex[RefreshRateTableIndex].XRes >> 3) - 1;
 231         E = HDE + 1;
 232
 233         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[3];
 234
 235         /* Horizontal retrace (=sync) start */
 236         HRS = (cr_data & 0xff) | ((unsigned short) (sr_data & 0xC0) << 2);
 237         F = HRS - E - 3;
 238
 239         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[1];
 240
 241         /* Horizontal blank start */
 242         HBS = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x30) << 4);
 243
 244         sr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[6];
 245
 246         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[2];
 247
 248         cr_data2 = XGI_Pr->XGINEWUB_CRT1Table[index].CR[4];
 249
 250         /* Horizontal blank end */
 251         HBE = (cr_data & 0x1f) | ((unsigned short) (cr_data2 & 0x80) >> 2)
 252                         | ((unsigned short) (sr_data & 0x03) << 6);
 253
 254         /* Horizontal retrace (=sync) end */
 255         HRE = (cr_data2 & 0x1f) | ((sr_data & 0x04) << 3);
 256
 257         temp = HBE - ((E - 1) & 255);
 258         B = (temp > 0) ? temp : (temp + 256);
 259
 260         temp = HRE - ((E + F + 3) & 63);
 261         C = (temp > 0) ? temp : (temp + 64);
 262
 263         D = B - F - C;
 264
 265         *left_margin = D * 8;
 266         *right_margin = F * 8;
 267         *hsync_len = C * 8;
 268
 269         sr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[14];
 270
 271         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[8];
 272
 273         cr_data2 = XGI_Pr->XGINEWUB_CRT1Table[index].CR[9];
 274
 275         /* Vertical total */
 276         VT = (cr_data & 0xFF) | ((unsigned short) (cr_data2 & 0x01) << 8)
 277                         | ((unsigned short) (cr_data2 & 0x20) << 4)
 278                         | ((unsigned short) (sr_data & 0x01) << 10);
 279         A = VT + 2;
 280
 281         /* cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[10]; */
 282
 283         /* Vertical display enable end */
 284         /*
 285         VDE = (cr_data & 0xff) |
 286                 ((unsigned short) (cr_data2 & 0x02) << 7) |
 287                 ((unsigned short) (cr_data2 & 0x40) << 3) |
 288                 ((unsigned short) (sr_data & 0x02) << 9);
 289         */
 290         VDE = XGI_Pr->RefIndex[RefreshRateTableIndex].YRes - 1;
 291         E = VDE + 1;
 292
 293         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[10];
 294
 295         /* Vertical retrace (=sync) start */
 296         VRS = (cr_data & 0xff) | ((unsigned short) (cr_data2 & 0x04) << 6)
 297                         | ((unsigned short) (cr_data2 & 0x80) << 2)
 298                         | ((unsigned short) (sr_data & 0x08) << 7);
 299         F = VRS + 1 - E;
 300
 301         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[12];
 302
 303         cr_data3 = (XGI_Pr->XGINEWUB_CRT1Table[index].CR[14] & 0x80) << 5;
 304
 305         /* Vertical blank start */
 306         VBS = (cr_data & 0xff) | ((unsigned short) (cr_data2 & 0x08) << 5)
 307                         | ((unsigned short) (cr_data3 & 0x20) << 4)
 308                         | ((unsigned short) (sr_data & 0x04) << 8);
 309
 310         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[13];
 311
 312         /* Vertical blank end */
 313         VBE = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x10) << 4);
 314         temp = VBE - ((E - 1) & 511);
 315         B = (temp > 0) ? temp : (temp + 512);
 316
 317         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[11];
 318
 319         /* Vertical retrace (=sync) end */
 320         VRE = (cr_data & 0x0f) | ((sr_data & 0x20) >> 1);
 321         temp = VRE - ((E + F - 1) & 31);
 322         C = (temp > 0) ? temp : (temp + 32);
 323
 324         D = B - F - C;
 325
 326         *upper_margin = D;
 327         *lower_margin = F;
 328         *vsync_len = C;
 329
 330         if (XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x8000)
 331                 *sync &= ~FB_SYNC_VERT_HIGH_ACT;
 332         else
 333                 *sync |= FB_SYNC_VERT_HIGH_ACT;
 334
 335         if (XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x4000)
 336                 *sync &= ~FB_SYNC_HOR_HIGH_ACT;
 337         else
 338                 *sync |= FB_SYNC_HOR_HIGH_ACT;
 339
 340         *vmode = FB_VMODE_NONINTERLACED;
 341         if (XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x0080)
 342                 *vmode = FB_VMODE_INTERLACED;
 343         else {
 344                 j = 0;
 345                 while (XGI_Pr->EModeIDTable[j].Ext_ModeID != 0xff) {
 346                         if (XGI_Pr->EModeIDTable[j].Ext_ModeID ==
 347                             XGI_Pr->RefIndex[RefreshRateTableIndex].ModeID) {
 348                                 if (XGI_Pr->EModeIDTable[j].Ext_ModeFlag &
 349                                     DoubleScanMode) {
 350                                         *vmode = FB_VMODE_DOUBLE;
 351                                 }
 352                                 break;
 353                         }
 354                         j++;
 355                 }
 356         }
 357
 358         return 1;
 359 }
 360
 361 static void XGIRegInit(struct vb_device_info *XGI_Pr, unsigned long BaseAddr)
 362 {
 363         XGI_Pr->RelIO = BaseAddr;
 364         XGI_Pr->P3c4 = BaseAddr + 0x14;
 365         XGI_Pr->P3d4 = BaseAddr + 0x24;
 366         XGI_Pr->P3c0 = BaseAddr + 0x10;
 367         XGI_Pr->P3ce = BaseAddr + 0x1e;
 368         XGI_Pr->P3c2 = BaseAddr + 0x12;
 369         XGI_Pr->P3ca = BaseAddr + 0x1a;
 370         XGI_Pr->P3c6 = BaseAddr + 0x16;
 371         XGI_Pr->P3c7 = BaseAddr + 0x17;
 372         XGI_Pr->P3c8 = BaseAddr + 0x18;
 373         XGI_Pr->P3c9 = BaseAddr + 0x19;
 374         XGI_Pr->P3da = BaseAddr + 0x2A;
 375         /* Digital video interface registers (LCD) */
 376         XGI_Pr->Part1Port = BaseAddr + XGI_CRT2_PORT_04;
 377         /* 301 TV Encoder registers */
 378         XGI_Pr->Part2Port = BaseAddr + XGI_CRT2_PORT_10;
 379         /* 301 Macrovision registers */
 380         XGI_Pr->Part3Port = BaseAddr + XGI_CRT2_PORT_12;
 381         /* 301 VGA2 (and LCD) registers */
 382         XGI_Pr->Part4Port = BaseAddr + XGI_CRT2_PORT_14;
 383         /* 301 palette address port registers */
 384         XGI_Pr->Part5Port = BaseAddr + XGI_CRT2_PORT_14 + 2;
 385
 386 }
 387
 388 /* ------------------ Internal helper routines ----------------- */
 389
 390 static int XGIfb_GetXG21DefaultLVDSModeIdx(void)
 391 {
 392
 393         int found_mode = 0;
 394         int XGIfb_mode_idx = 0;
 395
 396         found_mode = 0;
 397         while ((XGIbios_mode[XGIfb_mode_idx].mode_no != 0)
 398                         && (XGIbios_mode[XGIfb_mode_idx].xres
 399                                         <= XGI21_LCDCapList[0].LVDSHDE)) {
 400                 if ((XGIbios_mode[XGIfb_mode_idx].xres
 401                                 == XGI21_LCDCapList[0].LVDSHDE)
 402                                 && (XGIbios_mode[XGIfb_mode_idx].yres
 403                                                 == XGI21_LCDCapList[0].LVDSVDE)
 404                                 && (XGIbios_mode[XGIfb_mode_idx].bpp == 8)) {
 405                         found_mode = 1;
 406                         break;
 407                 }
 408                 XGIfb_mode_idx++;
 409         }
 410         if (!found_mode)
 411                 XGIfb_mode_idx = -1;
 412
 413         return XGIfb_mode_idx;
 414 }
 415
 416 static void XGIfb_search_mode(struct xgifb_video_info *xgifb_info,
 417                               const char *name)
 418 {
 419         int i = 0, j = 0, l;
 420
 421         while (XGIbios_mode[i].mode_no != 0) {
 422                 l = min(strlen(name), strlen(XGIbios_mode[i].name));
 423                 if (!strncmp(name, XGIbios_mode[i].name, l)) {
 424                         xgifb_info->mode_idx = i;
 425                         j = 1;
 426                         break;
 427                 }
 428                 i++;
 429         }
 430         if (!j)
 431                 printk(KERN_INFO "XGIfb: Invalid mode '%s'\n", name);
 432 }
 433
 434 static void XGIfb_search_vesamode(struct xgifb_video_info *xgifb_info,
 435                                   unsigned int vesamode)
 436 {
 437         int i = 0, j = 0;
 438
 439         if (vesamode == 0)
 440                 goto invalid;
 441
 442         vesamode &= 0x1dff; /* Clean VESA mode number from other flags */
 443
 444         while (XGIbios_mode[i].mode_no != 0) {
 445                 if ((XGIbios_mode[i].vesa_mode_no_1 == vesamode) ||
 446                     (XGIbios_mode[i].vesa_mode_no_2 == vesamode)) {
 447                         xgifb_info->mode_idx = i;
 448                         j = 1;
 449                         break;
 450                 }
 451                 i++;
 452         }
 453
 454 invalid:
 455         if (!j)
 456                 printk(KERN_INFO "XGIfb: Invalid VESA mode 0x%x'\n", vesamode);
 457 }
 458
 459 static int XGIfb_GetXG21LVDSData(struct xgifb_video_info *xgifb_info)
 460 {
 461         u8 tmp;
 462         void __iomem *data = xgifb_info->mmio_vbase + 0x20000;
 463         int i, j, k;
 464
 465         tmp = xgifb_reg_get(XGISR, 0x1e);
 466         xgifb_reg_set(XGISR, 0x1e, tmp | 4);
 467
 468         if ((readb(data) == 0x55) &&
 469             (readb(data + 1) == 0xAA) &&
 470             (readb(data + 0x65) & 0x1)) {
 471                 i = readw(data + 0x316);
 472                 j = readb(data + i - 1);
 473                 if (j == 0xff)
 474                         j = 1;
 475
 476                 k = 0;
 477                 do {
 478                         XGI21_LCDCapList[k].LVDS_Capability = readw(data + i);
 479                         XGI21_LCDCapList[k].LVDSHT = readw(data + i + 2);
 480                         XGI21_LCDCapList[k].LVDSVT = readw(data + i + 4);
 481                         XGI21_LCDCapList[k].LVDSHDE = readw(data + i + 6);
 482                         XGI21_LCDCapList[k].LVDSVDE = readw(data + i + 8);
 483                         XGI21_LCDCapList[k].LVDSHFP = readw(data + i + 10);
 484                         XGI21_LCDCapList[k].LVDSVFP = readw(data + i + 12);
 485                         XGI21_LCDCapList[k].LVDSHSYNC = readw(data + i + 14);
 486                         XGI21_LCDCapList[k].LVDSVSYNC = readw(data + i + 16);
 487                         XGI21_LCDCapList[k].VCLKData1 = readb(data + i + 18);
 488                         XGI21_LCDCapList[k].VCLKData2 = readb(data + i + 19);
 489                         XGI21_LCDCapList[k].PSC_S1 = readb(data + i + 20);
 490                         XGI21_LCDCapList[k].PSC_S2 = readb(data + i + 21);
 491                         XGI21_LCDCapList[k].PSC_S3 = readb(data + i + 22);
 492                         XGI21_LCDCapList[k].PSC_S4 = readb(data + i + 23);
 493                         XGI21_LCDCapList[k].PSC_S5 = readb(data + i + 24);
 494                         i += 25;
 495                         j--;
 496                         k++;
 497                 } while ((j > 0) && (k < (sizeof(XGI21_LCDCapList)
 498                                 / sizeof(struct XGI21_LVDSCapStruct))));
 499                 return 1;
 500         }
 501         return 0;
 502 }
 503
 504 static int XGIfb_validate_mode(struct xgifb_video_info *xgifb_info, int myindex)
 505 {
 506         u16 xres, yres;
 507         struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info;
 508
 509         if (xgifb_info->chip == XG21) {
 510                 if (xgifb_info->display2 == XGIFB_DISP_LCD) {
 511                         xres = XGI21_LCDCapList[0].LVDSHDE;
 512                         yres = XGI21_LCDCapList[0].LVDSVDE;
 513                         if (XGIbios_mode[myindex].xres > xres)
 514                                 return -1;
 515                         if (XGIbios_mode[myindex].yres > yres)
 516                                 return -1;
 517                         if ((XGIbios_mode[myindex].xres < xres) &&
 518                             (XGIbios_mode[myindex].yres < yres)) {
 519                                 if (XGIbios_mode[myindex].bpp > 8)
 520                                         return -1;
 521                         }
 522
 523                 }
 524                 return myindex;
 525
 526         }
 527
 528         /* FIXME: for now, all is valid on XG27 */
 529         if (xgifb_info->chip == XG27)
 530                 return myindex;
 531
 532         if (!(XGIbios_mode[myindex].chipset & MD_XGI315))
 533                 return -1;
 534
 535         switch (xgifb_info->display2) {
 536         case XGIFB_DISP_LCD:
 537                 switch (hw_info->ulCRT2LCDType) {
 538                 case LCD_640x480:
 539                         xres = 640;
 540                         yres = 480;
 541                         break;
 542                 case LCD_800x600:
 543                         xres = 800;
 544                         yres = 600;
 545                         break;
 546                 case LCD_1024x600:
 547                         xres = 1024;
 548                         yres = 600;
 549                         break;
 550                 case LCD_1024x768:
 551                         xres = 1024;
 552                         yres = 768;
 553                         break;
 554                 case LCD_1152x768:
 555                         xres = 1152;
 556                         yres = 768;
 557                         break;
 558                 case LCD_1280x960:
 559                         xres = 1280;
 560                         yres = 960;
 561                         break;
 562                 case LCD_1280x768:
 563                         xres = 1280;
 564                         yres = 768;
 565                         break;
 566                 case LCD_1280x1024:
 567                         xres = 1280;
 568                         yres = 1024;
 569                         break;
 570                 case LCD_1400x1050:
 571                         xres = 1400;
 572                         yres = 1050;
 573                         break;
 574                 case LCD_1600x1200:
 575                         xres = 1600;
 576                         yres = 1200;
 577                         break;
 578                 /* case LCD_320x480: */ /* TW: FSTN */
 579                         /*
 580                         xres =  320;
 581                         yres =  480;
 582                         break;
 583                         */
 584                 default:
 585                         xres = 0;
 586                         yres = 0;
 587                         break;
 588                 }
 589                 if (XGIbios_mode[myindex].xres > xres)
 590                         return -1;
 591                 if (XGIbios_mode[myindex].yres > yres)
 592                         return -1;
 593                 if ((hw_info->ulExternalChip == 0x01) || /* LVDS */
 594                     (hw_info->ulExternalChip == 0x05)) { /* LVDS+Chrontel */
 595                         switch (XGIbios_mode[myindex].xres) {
 596                         case 512:
 597                                 if (XGIbios_mode[myindex].yres != 512)
 598                                         return -1;
 599                                 if (hw_info->ulCRT2LCDType == LCD_1024x600)
 600                                         return -1;
 601                                 break;
 602                         case 640:
 603                                 if ((XGIbios_mode[myindex].yres != 400)
 604                                                 && (XGIbios_mode[myindex].yres
 605                                                                 != 480))
 606                                         return -1;
 607                                 break;
 608                         case 800:
 609                                 if (XGIbios_mode[myindex].yres != 600)
 610                                         return -1;
 611                                 break;
 612                         case 1024:
 613                                 if ((XGIbios_mode[myindex].yres != 600) &&
 614                                     (XGIbios_mode[myindex].yres != 768))
 615                                         return -1;
 616                                 if ((XGIbios_mode[myindex].yres == 600) &&
 617                                     (hw_info->ulCRT2LCDType != LCD_1024x600))
 618                                         return -1;
 619                                 break;
 620                         case 1152:
 621                                 if ((XGIbios_mode[myindex].yres) != 768)
 622                                         return -1;
 623                                 if (hw_info->ulCRT2LCDType != LCD_1152x768)
 624                                         return -1;
 625                                 break;
 626                         case 1280:
 627                                 if ((XGIbios_mode[myindex].yres != 768) &&
 628                                     (XGIbios_mode[myindex].yres != 1024))
 629                                         return -1;
 630                                 if ((XGIbios_mode[myindex].yres == 768) &&
 631                                     (hw_info->ulCRT2LCDType != LCD_1280x768))
 632                                         return -1;
 633                                 break;
 634                         case 1400:
 635                                 if (XGIbios_mode[myindex].yres != 1050)
 636                                         return -1;
 637                                 break;
 638                         case 1600:
 639                                 if (XGIbios_mode[myindex].yres != 1200)
 640                                         return -1;
 641                                 break;
 642                         default:
 643                                 return -1;
 644                         }
 645                 } else {
 646                         switch (XGIbios_mode[myindex].xres) {
 647                         case 512:
 648                                 if (XGIbios_mode[myindex].yres != 512)
 649                                         return -1;
 650                                 break;
 651                         case 640:
 652                                 if ((XGIbios_mode[myindex].yres != 400) &&
 653                                     (XGIbios_mode[myindex].yres != 480))
 654                                         return -1;
 655                                 break;
 656                         case 800:
 657                                 if (XGIbios_mode[myindex].yres != 600)
 658                                         return -1;
 659                                 break;
 660                         case 1024:
 661                                 if (XGIbios_mode[myindex].yres != 768)
 662                                         return -1;
 663                                 break;
 664                         case 1280:
 665                                 if ((XGIbios_mode[myindex].yres != 960) &&
 666                                     (XGIbios_mode[myindex].yres != 1024))
 667                                         return -1;
 668                                 if (XGIbios_mode[myindex].yres == 960) {
 669                                         if (hw_info->ulCRT2LCDType ==
 670                                             LCD_1400x1050)
 671                                                 return -1;
 672                                 }
 673                                 break;
 674                         case 1400:
 675                                 if (XGIbios_mode[myindex].yres != 1050)
 676                                         return -1;
 677                                 break;
 678                         case 1600:
 679                                 if (XGIbios_mode[myindex].yres != 1200)
 680                                         return -1;
 681                                 break;
 682                         default:
 683                                 return -1;
 684                         }
 685                 }
 686                 break;
 687         case XGIFB_DISP_TV:
 688                 switch (XGIbios_mode[myindex].xres) {
 689                 case 512:
 690                 case 640:
 691                 case 800:
 692                         break;
 693                 case 720:
 694                         if (xgifb_info->TV_type == TVMODE_NTSC) {
 695                                 if (XGIbios_mode[myindex].yres != 480)
 696                                         return -1;
 697                         } else if (xgifb_info->TV_type == TVMODE_PAL) {
 698                                 if (XGIbios_mode[myindex].yres != 576)
 699                                         return -1;
 700                         }
 701                         /*  TW: LVDS/CHRONTEL does not support 720 */
 702                         if (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL ||
 703                             xgifb_info->hasVB == HASVB_CHRONTEL) {
 704                                 return -1;
 705                         }
 706                         break;
 707                 case 1024:
 708                         if (xgifb_info->TV_type == TVMODE_NTSC) {
 709                                 if (XGIbios_mode[myindex].bpp == 32)
 710                                         return -1;
 711                         }
 712                         break;
 713                 default:
 714                         return -1;
 715                 }
 716                 break;
 717         case XGIFB_DISP_CRT:
 718                 if (XGIbios_mode[myindex].xres > 1280)
 719                         return -1;
 720                 break;
 721         case XGIFB_DISP_NONE:
 722                 break;
 723         }
 724         return myindex;
 725
 726 }
 727
 728 static void XGIfb_search_crt2type(const char *name)
 729 {
 730         int i = 0;
 731
 732         if (name == NULL)
 733                 return;
 734
 735         while (XGI_crt2type[i].type_no != -1) {
 736                 if (!strcmp(name, XGI_crt2type[i].name)) {
 737                         XGIfb_crt2type = XGI_crt2type[i].type_no;
 738                         XGIfb_tvplug = XGI_crt2type[i].tvplug_no;
 739                         break;
 740                 }
 741                 i++;
 742         }
 743         if (XGIfb_crt2type < 0)
 744                 printk(KERN_INFO "XGIfb: Invalid CRT2 type: %s\n", name);
 745 }
 746
 747 static u8 XGIfb_search_refresh_rate(struct xgifb_video_info *xgifb_info,
 748                                     unsigned int rate)
 749 {
 750         u16 xres, yres;
 751         int i = 0;
 752
 753         xres = XGIbios_mode[xgifb_info->mode_idx].xres;
 754         yres = XGIbios_mode[xgifb_info->mode_idx].yres;
 755
 756         xgifb_info->rate_idx = 0;
 757         while ((XGIfb_vrate[i].idx != 0) && (XGIfb_vrate[i].xres <= xres)) {
 758                 if ((XGIfb_vrate[i].xres == xres) &&
 759                     (XGIfb_vrate[i].yres == yres)) {
 760                         if (XGIfb_vrate[i].refresh == rate) {
 761                                 xgifb_info->rate_idx = XGIfb_vrate[i].idx;
 762                                 break;
 763                         } else if (XGIfb_vrate[i].refresh > rate) {
 764                                 if ((XGIfb_vrate[i].refresh - rate) <= 3) {
 765                                         DPRINTK("XGIfb: Adjusting rate from %d up to %d\n",
 766                                                 rate, XGIfb_vrate[i].refresh);
 767                                         xgifb_info->rate_idx =
 768                                                 XGIfb_vrate[i].idx;
 769                                         xgifb_info->refresh_rate =
 770                                                 XGIfb_vrate[i].refresh;
 771                                 } else if (((rate - XGIfb_vrate[i - 1].refresh)
 772                                                 <= 2) && (XGIfb_vrate[i].idx
 773                                                 != 1)) {
 774                                         DPRINTK("XGIfb: Adjusting rate from %d down to %d\n",
 775                                                 rate, XGIfb_vrate[i-1].refresh);
 776                                         xgifb_info->rate_idx =
 777                                                 XGIfb_vrate[i - 1].idx;
 778                                         xgifb_info->refresh_rate =
 779                                                 XGIfb_vrate[i - 1].refresh;
 780                                 }
 781                                 break;
 782                         } else if ((rate - XGIfb_vrate[i].refresh) <= 2) {
 783                                 DPRINTK("XGIfb: Adjusting rate from %d down to %d\n",
 784                                         rate, XGIfb_vrate[i].refresh);
 785                                 xgifb_info->rate_idx = XGIfb_vrate[i].idx;
 786                                 break;
 787                         }
 788                 }
 789                 i++;
 790         }
 791         if (xgifb_info->rate_idx > 0) {
 792                 return xgifb_info->rate_idx;
 793         } else {
 794                 printk(KERN_INFO "XGIfb: Unsupported rate %d for %dx%d\n",
 795                        rate, xres, yres);
 796                 return 0;
 797         }
 798 }
 799
 800 static void XGIfb_search_tvstd(const char *name)
 801 {
 802         int i = 0;
 803
 804         if (name == NULL)
 805                 return;
 806
 807         while (XGI_tvtype[i].type_no != -1) {
 808                 if (!strcmp(name, XGI_tvtype[i].name)) {
 809                         XGIfb_tvmode = XGI_tvtype[i].type_no;
 810                         break;
 811                 }
 812                 i++;
 813         }
 814 }
 815
 816 /* ----------- FBDev related routines for all series ----------- */
 817
 818 static void XGIfb_bpp_to_var(struct xgifb_video_info *xgifb_info,
 819                              struct fb_var_screeninfo *var)
 820 {
 821         switch (var->bits_per_pixel) {
 822         case 8:
 823                 var->red.offset = var->green.offset = var->blue.offset = 0;
 824                 var->red.length = var->green.length = var->blue.length = 6;
 825                 xgifb_info->video_cmap_len = 256;
 826                 break;
 827         case 16:
 828                 var->red.offset = 11;
 829                 var->red.length = 5;
 830                 var->green.offset = 5;
 831                 var->green.length = 6;
 832                 var->blue.offset = 0;
 833                 var->blue.length = 5;
 834                 var->transp.offset = 0;
 835                 var->transp.length = 0;
 836                 xgifb_info->video_cmap_len = 16;
 837                 break;
 838         case 32:
 839                 var->red.offset = 16;
 840                 var->red.length = 8;
 841                 var->green.offset = 8;
 842                 var->green.length = 8;
 843                 var->blue.offset = 0;
 844                 var->blue.length = 8;
 845                 var->transp.offset = 24;
 846                 var->transp.length = 8;
 847                 xgifb_info->video_cmap_len = 16;
 848                 break;
 849         }
 850 }
 851
 852 /* --------------------- SetMode routines ------------------------- */
 853
 854 static void XGIfb_pre_setmode(struct xgifb_video_info *xgifb_info)
 855 {
 856         u8 cr30 = 0, cr31 = 0;
 857
 858         cr31 = xgifb_reg_get(XGICR, 0x31);
 859         cr31 &= ~0x60;
 860
 861         switch (xgifb_info->display2) {
 862         case XGIFB_DISP_CRT:
 863                 cr30 = (XGI_VB_OUTPUT_CRT2 | XGI_SIMULTANEOUS_VIEW_ENABLE);
 864                 cr31 |= XGI_DRIVER_MODE;
 865                 break;
 866         case XGIFB_DISP_LCD:
 867                 cr30 = (XGI_VB_OUTPUT_LCD | XGI_SIMULTANEOUS_VIEW_ENABLE);
 868                 cr31 |= XGI_DRIVER_MODE;
 869                 break;
 870         case XGIFB_DISP_TV:
 871                 if (xgifb_info->TV_type == TVMODE_HIVISION)
 872                         cr30 = (XGI_VB_OUTPUT_HIVISION
 873                                         | XGI_SIMULTANEOUS_VIEW_ENABLE);
 874                 else if (xgifb_info->TV_plug == TVPLUG_SVIDEO)
 875                         cr30 = (XGI_VB_OUTPUT_SVIDEO
 876                                         | XGI_SIMULTANEOUS_VIEW_ENABLE);
 877                 else if (xgifb_info->TV_plug == TVPLUG_COMPOSITE)
 878                         cr30 = (XGI_VB_OUTPUT_COMPOSITE
 879                                         | XGI_SIMULTANEOUS_VIEW_ENABLE);
 880                 else if (xgifb_info->TV_plug == TVPLUG_SCART)
 881                         cr30 = (XGI_VB_OUTPUT_SCART
 882                                         | XGI_SIMULTANEOUS_VIEW_ENABLE);
 883                 cr31 |= XGI_DRIVER_MODE;
 884
 885                 if (XGIfb_tvmode == 1 || xgifb_info->TV_type == TVMODE_PAL)
 886                         cr31 |= 0x01;
 887                 else
 888                         cr31 &= ~0x01;
 889                 break;
 890         default: /* disable CRT2 */
 891                 cr30 = 0x00;
 892                 cr31 |= (XGI_DRIVER_MODE | XGI_VB_OUTPUT_DISABLE);
 893         }
 894
 895         xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR30, cr30);
 896         xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR31, cr31);
 897         xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR33,
 898                                                 (xgifb_info->rate_idx & 0x0F));
 899 }
 900
 901 static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info)
 902 {
 903         u8 reg;
 904         unsigned char doit = 1;
 905         /*
 906         xgifb_reg_set(XGISR,IND_XGI_PASSWORD,XGI_PASSWORD);
 907         xgifb_reg_set(XGICR, 0x13, 0x00);
 908         xgifb_reg_and_or(XGISR,0x0E, 0xF0, 0x01);
 909         *test*
 910         */
 911         if (xgifb_info->video_bpp == 8) {
 912                 /* TW: We can't switch off CRT1 on LVDS/Chrontel
 913                  * in 8bpp Modes */
 914                 if ((xgifb_info->hasVB == HASVB_LVDS) ||
 915                     (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL)) {
 916                         doit = 0;
 917                 }
 918                 /* TW: We can't switch off CRT1 on 301B-DH
 919                  * in 8bpp Modes if using LCD */
 920                 if (xgifb_info->display2 == XGIFB_DISP_LCD)
 921                         doit = 0;
 922         }
 923
 924         /* TW: We can't switch off CRT1 if bridge is in slave mode */
 925         if (xgifb_info->hasVB != HASVB_NONE) {
 926                 reg = xgifb_reg_get(XGIPART1, 0x00);
 927
 928                 if ((reg & 0x50) == 0x10)
 929                         doit = 0;
 930
 931         } else {
 932                 XGIfb_crt1off = 0;
 933         }
 934
 935         reg = xgifb_reg_get(XGICR, 0x17);
 936         if ((XGIfb_crt1off) && (doit))
 937                 reg &= ~0x80;
 938         else
 939                 reg |= 0x80;
 940         xgifb_reg_set(XGICR, 0x17, reg);
 941
 942         xgifb_reg_and(XGISR, IND_XGI_RAMDAC_CONTROL, ~0x04);
 943
 944         if (xgifb_info->display2 == XGIFB_DISP_TV &&
 945             xgifb_info->hasVB == HASVB_301) {
 946
 947                 reg = xgifb_reg_get(XGIPART4, 0x01);
 948
 949                 if (reg < 0xB0) { /* Set filter for XGI301 */
 950                         int filter_tb;
 951
 952                         switch (xgifb_info->video_width) {
 953                         case 320:
 954                                 filter_tb = (xgifb_info->TV_type ==
 955                                              TVMODE_NTSC) ? 4 : 12;
 956                                 break;
 957                         case 640:
 958                                 filter_tb = (xgifb_info->TV_type ==
 959                                              TVMODE_NTSC) ? 5 : 13;
 960                                 break;
 961                         case 720:
 962                                 filter_tb = (xgifb_info->TV_type ==
 963                                              TVMODE_NTSC) ? 6 : 14;
 964                                 break;
 965                         case 800:
 966                                 filter_tb = (xgifb_info->TV_type ==
 967                                              TVMODE_NTSC) ? 7 : 15;
 968                                 break;
 969                         default:
 970                                 filter_tb = 0;
 971                                 filter = -1;
 972                                 break;
 973                         }
 974                         xgifb_reg_or(XGIPART1,
 975                                      IND_XGI_CRT2_WRITE_ENABLE_315,
 976                                      0x01);
 977
 978                         if (xgifb_info->TV_type == TVMODE_NTSC) {
 979
 980                                 xgifb_reg_and(XGIPART2, 0x3a, 0x1f);
 981
 982                                 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
 983
 984                                         xgifb_reg_and(XGIPART2, 0x30, 0xdf);
 985
 986                                 } else if (xgifb_info->TV_plug
 987                                                 == TVPLUG_COMPOSITE) {
 988
 989                                         xgifb_reg_or(XGIPART2, 0x30, 0x20);
 990
 991                                         switch (xgifb_info->video_width) {
 992                                         case 640:
 993                                                 xgifb_reg_set(XGIPART2,
 994                                                               0x35,
 995                                                               0xEB);
 996                                                 xgifb_reg_set(XGIPART2,
 997                                                               0x36,
 998                                                               0x04);
 999                                                 xgifb_reg_set(XGIPART2,
1000                                                               0x37,
1001                                                               0x25);
1002                                                 xgifb_reg_set(XGIPART2,
1003                                                               0x38,
1004                                                               0x18);
1005                                                 break;
1006                                         case 720:
1007                                                 xgifb_reg_set(XGIPART2,
1008                                                               0x35,
1009                                                               0xEE);
1010                                                 xgifb_reg_set(XGIPART2,
1011                                                               0x36,
1012                                                               0x0C);
1013                                                 xgifb_reg_set(XGIPART2,
1014                                                               0x37,
1015                                                               0x22);
1016                                                 xgifb_reg_set(XGIPART2,
1017                                                               0x38,
1018                                                               0x08);
1019                                                 break;
1020                                         case 800:
1021                                                 xgifb_reg_set(XGIPART2,
1022                                                               0x35,
1023                                                               0xEB);
1024                                                 xgifb_reg_set(XGIPART2,
1025                                                               0x36,
1026                                                               0x15);
1027                                                 xgifb_reg_set(XGIPART2,
1028                                                               0x37,
1029                                                               0x25);
1030                                                 xgifb_reg_set(XGIPART2,
1031                                                               0x38,
1032                                                               0xF6);
1033                                                 break;
1034                                         }
1035                                 }
1036
1037                         } else if (xgifb_info->TV_type == TVMODE_PAL) {
1038
1039                                 xgifb_reg_and(XGIPART2, 0x3A, 0x1F);
1040
1041                                 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
1042
1043                                         xgifb_reg_and(XGIPART2, 0x30, 0xDF);
1044
1045                                 } else if (xgifb_info->TV_plug
1046                                                 == TVPLUG_COMPOSITE) {
1047
1048                                         xgifb_reg_or(XGIPART2, 0x30, 0x20);
1049
1050                                         switch (xgifb_info->video_width) {
1051                                         case 640:
1052                                                 xgifb_reg_set(XGIPART2,
1053                                                               0x35,
1054                                                               0xF1);
1055                                                 xgifb_reg_set(XGIPART2,
1056                                                               0x36,
1057                                                               0xF7);
1058                                                 xgifb_reg_set(XGIPART2,
1059                                                               0x37,
1060                                                               0x1F);
1061                                                 xgifb_reg_set(XGIPART2,
1062                                                               0x38,
1063                                                               0x32);
1064                                                 break;
1065                                         case 720:
1066                                                 xgifb_reg_set(XGIPART2,
1067                                                               0x35,
1068                                                               0xF3);
1069                                                 xgifb_reg_set(XGIPART2,
1070                                                               0x36,
1071                                                               0x00);
1072                                                 xgifb_reg_set(XGIPART2,
1073                                                               0x37,
1074                                                               0x1D);
1075                                                 xgifb_reg_set(XGIPART2,
1076                                                               0x38,
1077                                                               0x20);
1078                                                 break;
1079                                         case 800:
1080                                                 xgifb_reg_set(XGIPART2,
1081                                                               0x35,
1082                                                               0xFC);
1083                                                 xgifb_reg_set(XGIPART2,
1084                                                               0x36,
1085                                                               0xFB);
1086                                                 xgifb_reg_set(XGIPART2,
1087                                                               0x37,
1088                                                               0x14);
1089                                                 xgifb_reg_set(XGIPART2,
1090                                                               0x38,
1091                                                               0x2A);
1092                                                 break;
1093                                         }
1094                                 }
1095                         }
1096
1097                         if ((filter >= 0) && (filter <= 7)) {
1098                                 DPRINTK("FilterTable[%d]-%d: %02x %02x %02x %02x\n",
1099                                         filter_tb, filter,
1100                                         XGI_TV_filter[filter_tb].
1101                                                 filter[filter][0],
1102                                         XGI_TV_filter[filter_tb].
1103                                                 filter[filter][1],
1104                                         XGI_TV_filter[filter_tb].
1105                                                 filter[filter][2],
1106                                         XGI_TV_filter[filter_tb].
1107                                                 filter[filter][3]
1108                                 );
1109                                 xgifb_reg_set(
1110                                         XGIPART2,
1111                                         0x35,
1112                                         (XGI_TV_filter[filter_tb].
1113                                                 filter[filter][0]));
1114                                 xgifb_reg_set(
1115                                         XGIPART2,
1116                                         0x36,
1117                                         (XGI_TV_filter[filter_tb].
1118                                                 filter[filter][1]));
1119                                 xgifb_reg_set(
1120                                         XGIPART2,
1121                                         0x37,
1122                                         (XGI_TV_filter[filter_tb].
1123                                                 filter[filter][2]));
1124                                 xgifb_reg_set(
1125                                         XGIPART2,
1126                                         0x38,
1127                                         (XGI_TV_filter[filter_tb].
1128                                                 filter[filter][3]));
1129                         }
1130                 }
1131         }
1132 }
1133
1134 static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive,
1135                 struct fb_info *info)
1136 {
1137         struct xgifb_video_info *xgifb_info = info->par;
1138         struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info;
1139         unsigned int htotal = var->left_margin + var->xres + var->right_margin
1140                         + var->hsync_len;
1141         unsigned int vtotal = var->upper_margin + var->yres + var->lower_margin
1142                         + var->vsync_len;
1143 #if defined(__powerpc__)
1144         u8 sr_data, cr_data;
1145 #endif
1146         unsigned int drate = 0, hrate = 0;
1147         int found_mode = 0;
1148         int old_mode;
1149         /* unsigned char reg, reg1; */
1150
1151         DEBUGPRN("Inside do_set_var");
1152         /* printk(KERN_DEBUG "XGIfb:var->yres=%d, var->upper_margin=%d, var->lower_margin=%d, var->vsync_len=%d\n", var->yres, var->upper_margin, var->lower_margin, var->vsync_len); */
1153
1154         info->var.xres_virtual = var->xres_virtual;
1155         info->var.yres_virtual = var->yres_virtual;
1156         info->var.bits_per_pixel = var->bits_per_pixel;
1157
1158         if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED)
1159                 vtotal <<= 1;
1160         else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE)
1161                 vtotal <<= 2;
1162         else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
1163                 /* vtotal <<= 1; */
1164                 /* var->yres <<= 1; */
1165         }
1166
1167         if (!htotal || !vtotal) {
1168                 DPRINTK("XGIfb: Invalid 'var' information\n");
1169                 return -EINVAL;
1170         } printk(KERN_DEBUG "XGIfb: var->pixclock=%d, htotal=%d, vtotal=%d\n",
1171                         var->pixclock, htotal, vtotal);
1172
1173         if (var->pixclock && htotal && vtotal) {
1174                 drate = 1000000000 / var->pixclock;
1175                 hrate = (drate * 1000) / htotal;
1176                 xgifb_info->refresh_rate = (unsigned int) (hrate * 2
1177                                 / vtotal);
1178         } else {
1179                 xgifb_info->refresh_rate = 60;
1180         }
1181
1182         printk(KERN_DEBUG "XGIfb: Change mode to %dx%dx%d-%dHz\n",
1183                var->xres,
1184                var->yres,
1185                var->bits_per_pixel,
1186                xgifb_info->refresh_rate);
1187
1188         old_mode = xgifb_info->mode_idx;
1189         xgifb_info->mode_idx = 0;
1190
1191         while ((XGIbios_mode[xgifb_info->mode_idx].mode_no != 0) &&
1192                (XGIbios_mode[xgifb_info->mode_idx].xres <= var->xres)) {
1193                 if ((XGIbios_mode[xgifb_info->mode_idx].xres == var->xres) &&
1194                     (XGIbios_mode[xgifb_info->mode_idx].yres == var->yres) &&
1195                     (XGIbios_mode[xgifb_info->mode_idx].bpp
1196                                                 == var->bits_per_pixel)) {
1197                         found_mode = 1;
1198                         break;
1199                 }
1200                 xgifb_info->mode_idx++;
1201         }
1202
1203         if (found_mode)
1204                 xgifb_info->mode_idx = XGIfb_validate_mode(xgifb_info,
1205                                                         xgifb_info->mode_idx);
1206         else
1207                 xgifb_info->mode_idx = -1;
1208
1209         if (xgifb_info->mode_idx < 0) {
1210                 printk(KERN_ERR "XGIfb: Mode %dx%dx%d not supported\n",
1211                        var->xres, var->yres, var->bits_per_pixel);
1212                 xgifb_info->mode_idx = old_mode;
1213                 return -EINVAL;
1214         }
1215
1216         if (XGIfb_search_refresh_rate(xgifb_info,
1217                                       xgifb_info->refresh_rate) == 0) {
1218                 xgifb_info->rate_idx =
1219                         XGIbios_mode[xgifb_info->mode_idx].rate_idx;
1220                 xgifb_info->refresh_rate = 60;
1221         }
1222
1223         if (isactive) {
1224
1225                 XGIfb_pre_setmode(xgifb_info);
1226                 if (XGISetModeNew(hw_info,
1227                                   XGIbios_mode[xgifb_info->mode_idx].mode_no)
1228                                         == 0) {
1229                         printk(KERN_ERR "XGIfb: Setting mode[0x%x] failed\n",
1230                                XGIbios_mode[xgifb_info->mode_idx].mode_no);
1231                         return -EINVAL;
1232                 }
1233                 info->fix.line_length = ((info->var.xres_virtual
1234                                 * info->var.bits_per_pixel) >> 6);
1235
1236                 xgifb_reg_set(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD);
1237
1238                 xgifb_reg_set(XGICR, 0x13, (info->fix.line_length & 0x00ff));
1239                 xgifb_reg_set(XGISR,
1240                               0x0E,
1241                               (info->fix.line_length & 0xff00) >> 8);
1242
1243                 XGIfb_post_setmode(xgifb_info);
1244
1245                 DPRINTK("XGIfb: Set new mode: %dx%dx%d-%d\n",
1246                                 XGIbios_mode[xgifb_info->mode_idx].xres,
1247                                 XGIbios_mode[xgifb_info->mode_idx].yres,
1248                                 XGIbios_mode[xgifb_info->mode_idx].bpp,
1249                                 xgifb_info->refresh_rate);
1250
1251                 xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp;
1252                 xgifb_info->video_vwidth = info->var.xres_virtual;
1253                 xgifb_info->video_width =
1254                         XGIbios_mode[xgifb_info->mode_idx].xres;
1255                 xgifb_info->video_vheight = info->var.yres_virtual;
1256                 xgifb_info->video_height =
1257                         XGIbios_mode[xgifb_info->mode_idx].yres;
1258                 xgifb_info->org_x = xgifb_info->org_y = 0;
1259                 xgifb_info->video_linelength = info->var.xres_virtual
1260                                 * (xgifb_info->video_bpp >> 3);
1261                 switch (xgifb_info->video_bpp) {
1262                 case 8:
1263                         xgifb_info->DstColor = 0x0000;
1264                         xgifb_info->XGI310_AccelDepth = 0x00000000;
1265                         xgifb_info->video_cmap_len = 256;
1266 #if defined(__powerpc__)
1267                         cr_data = xgifb_reg_get(XGICR, 0x4D);
1268                         xgifb_reg_set(XGICR, 0x4D, (cr_data & 0xE0));
1269 #endif
1270                         break;
1271                 case 16:
1272                         xgifb_info->DstColor = 0x8000;
1273                         xgifb_info->XGI310_AccelDepth = 0x00010000;
1274 #if defined(__powerpc__)
1275                         cr_data = xgifb_reg_get(XGICR, 0x4D);
1276                         xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x0B));
1277 #endif
1278                         xgifb_info->video_cmap_len = 16;
1279                         break;
1280                 case 32:
1281                         xgifb_info->DstColor = 0xC000;
1282                         xgifb_info->XGI310_AccelDepth = 0x00020000;
1283                         xgifb_info->video_cmap_len = 16;
1284 #if defined(__powerpc__)
1285                         cr_data = xgifb_reg_get(XGICR, 0x4D);
1286                         xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x15));
1287 #endif
1288                         break;
1289                 default:
1290                         xgifb_info->video_cmap_len = 16;
1291                         printk(KERN_ERR "XGIfb: Unsupported depth %d",
1292                                xgifb_info->video_bpp);
1293                         break;
1294                 }
1295         }
1296         XGIfb_bpp_to_var(xgifb_info, var); /*update ARGB info*/
1297         DEBUGPRN("End of do_set_var");
1298
1299         dumpVGAReg();
1300         return 0;
1301 }
1302
1303 static int XGIfb_pan_var(struct xgifb_video_info *xgifb_info,
1304                          struct fb_var_screeninfo *var)
1305 {
1306         unsigned int base;
1307
1308         /* printk("Inside pan_var"); */
1309
1310         if (var->xoffset > (var->xres_virtual - var->xres)) {
1311                 /* printk("Pan: xo: %d xv %d xr %d\n",
1312                         var->xoffset, var->xres_virtual, var->xres); */
1313                 return -EINVAL;
1314         }
1315         if (var->yoffset > (var->yres_virtual - var->yres)) {
1316                 /* printk("Pan: yo: %d yv %d yr %d\n",
1317                         var->yoffset, var->yres_virtual, var->yres); */
1318                 return -EINVAL;
1319         }
1320         base = var->yoffset * var->xres_virtual + var->xoffset;
1321
1322         /* calculate base bpp dep. */
1323         switch (var->bits_per_pixel) {
1324         case 16:
1325                 base >>= 1;
1326                 break;
1327         case 32:
1328                 break;
1329         case 8:
1330         default:
1331                 base >>= 2;
1332                 break;
1333         }
1334
1335         xgifb_reg_set(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD);
1336
1337         xgifb_reg_set(XGICR, 0x0D, base & 0xFF);
1338         xgifb_reg_set(XGICR, 0x0C, (base >> 8) & 0xFF);
1339         xgifb_reg_set(XGISR, 0x0D, (base >> 16) & 0xFF);
1340         xgifb_reg_set(XGISR, 0x37, (base >> 24) & 0x03);
1341         xgifb_reg_and_or(XGISR, 0x37, 0xDF, (base >> 21) & 0x04);
1342
1343         if (xgifb_info->display2 != XGIFB_DISP_NONE) {
1344                 xgifb_reg_or(XGIPART1, IND_XGI_CRT2_WRITE_ENABLE_315, 0x01);
1345                 xgifb_reg_set(XGIPART1, 0x06, (base & 0xFF));
1346                 xgifb_reg_set(XGIPART1, 0x05, ((base >> 8) & 0xFF));
1347                 xgifb_reg_set(XGIPART1, 0x04, ((base >> 16) & 0xFF));
1348                 xgifb_reg_and_or(XGIPART1,
1349                                  0x02,
1350                                  0x7F,
1351                                  ((base >> 24) & 0x01) << 7);
1352         }
1353         /* printk("End of pan_var"); */
1354         return 0;
1355 }
1356
1357 static int XGIfb_open(struct fb_info *info, int user)
1358 {
1359         return 0;
1360 }
1361
1362 static int XGIfb_release(struct fb_info *info, int user)
1363 {
1364         return 0;
1365 }
1366
1367 static int XGIfb_get_cmap_len(const struct fb_var_screeninfo *var)
1368 {
1369         int rc = 16;
1370
1371         switch (var->bits_per_pixel) {
1372         case 8:
1373                 rc = 256;
1374                 break;
1375         case 16:
1376                 rc = 16;
1377                 break;
1378         case 32:
1379                 rc = 16;
1380                 break;
1381         }
1382         return rc;
1383 }
1384
1385 static int XGIfb_setcolreg(unsigned regno, unsigned red, unsigned green,
1386                 unsigned blue, unsigned transp, struct fb_info *info)
1387 {
1388         struct xgifb_video_info *xgifb_info = info->par;
1389
1390         if (regno >= XGIfb_get_cmap_len(&info->var))
1391                 return 1;
1392
1393         switch (info->var.bits_per_pixel) {
1394         case 8:
1395                 outb(regno, XGIDACA);
1396                 outb((red >> 10), XGIDACD);
1397                 outb((green >> 10), XGIDACD);
1398                 outb((blue >> 10), XGIDACD);
1399                 if (xgifb_info->display2 != XGIFB_DISP_NONE) {
1400                         outb(regno, XGIDAC2A);
1401                         outb((red >> 8), XGIDAC2D);
1402                         outb((green >> 8), XGIDAC2D);
1403                         outb((blue >> 8), XGIDAC2D);
1404                 }
1405                 break;
1406         case 16:
1407                 ((u32 *) (info->pseudo_palette))[regno] = ((red & 0xf800))
1408                                 | ((green & 0xfc00) >> 5) | ((blue & 0xf800)
1409                                 >> 11);
1410                 break;
1411         case 32:
1412                 red >>= 8;
1413                 green >>= 8;
1414                 blue >>= 8;
1415                 ((u32 *) (info->pseudo_palette))[regno] = (red << 16) | (green
1416                                 << 8) | (blue);
1417                 break;
1418         }
1419         return 0;
1420 }
1421
1422 /* ----------- FBDev related routines for all series ---------- */
1423
1424 static int XGIfb_get_fix(struct fb_fix_screeninfo *fix, int con,
1425                 struct fb_info *info)
1426 {
1427         struct xgifb_video_info *xgifb_info = info->par;
1428
1429         DEBUGPRN("inside get_fix");
1430         memset(fix, 0, sizeof(struct fb_fix_screeninfo));
1431
1432         fix->smem_start = xgifb_info->video_base;
1433
1434         fix->smem_len = xgifb_info->video_size;
1435
1436         fix->type = FB_TYPE_PACKED_PIXELS;
1437         fix->type_aux = 0;
1438         if (xgifb_info->video_bpp == 8)
1439                 fix->visual = FB_VISUAL_PSEUDOCOLOR;
1440         else
1441                 fix->visual = FB_VISUAL_DIRECTCOLOR;
1442         fix->xpanstep = 0;
1443         if (XGIfb_ypan)
1444                 fix->ypanstep = 1;
1445         fix->ywrapstep = 0;
1446         fix->line_length = xgifb_info->video_linelength;
1447         fix->mmio_start = xgifb_info->mmio_base;
1448         fix->mmio_len = xgifb_info->mmio_size;
1449         fix->accel = FB_ACCEL_XGI_XABRE;
1450
1451         DEBUGPRN("end of get_fix");
1452         return 0;
1453 }
1454
1455 static int XGIfb_set_par(struct fb_info *info)
1456 {
1457         int err;
1458
1459         /* printk("XGIfb: inside set_par\n"); */
1460         err = XGIfb_do_set_var(&info->var, 1, info);
1461         if (err)
1462                 return err;
1463         XGIfb_get_fix(&info->fix, -1, info);
1464         /* printk("XGIfb: end of set_par\n"); */
1465         return 0;
1466 }
1467
1468 static int XGIfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
1469 {
1470         struct xgifb_video_info *xgifb_info = info->par;
1471         unsigned int htotal = var->left_margin + var->xres + var->right_margin
1472                         + var->hsync_len;
1473         unsigned int vtotal = 0;
1474         unsigned int drate = 0, hrate = 0;
1475         int found_mode = 0;
1476         int refresh_rate, search_idx;
1477
1478         DEBUGPRN("Inside check_var");
1479
1480         if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) {
1481                 vtotal = var->upper_margin + var->yres + var->lower_margin
1482                                 + var->vsync_len;
1483                 vtotal <<= 1;
1484         } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) {
1485                 vtotal = var->upper_margin + var->yres + var->lower_margin
1486                                 + var->vsync_len;
1487                 vtotal <<= 2;
1488         } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
1489                 vtotal = var->upper_margin + (var->yres / 2)
1490                                 + var->lower_margin + var->vsync_len;
1491         } else
1492                 vtotal = var->upper_margin + var->yres + var->lower_margin
1493                                 + var->vsync_len;
1494
1495         if (!(htotal) || !(vtotal))
1496                 XGIFAIL("XGIfb: no valid timing data");
1497
1498         if (var->pixclock && htotal && vtotal) {
1499                 drate = 1000000000 / var->pixclock;
1500                 hrate = (drate * 1000) / htotal;
1501                 xgifb_info->refresh_rate =
1502                         (unsigned int) (hrate * 2 / vtotal);
1503                 printk(KERN_DEBUG
1504                         "%s: pixclock = %d ,htotal=%d, vtotal=%d\n"
1505                         "%s: drate=%d, hrate=%d, refresh_rate=%d\n",
1506                         __func__, var->pixclock, htotal, vtotal,
1507                         __func__, drate, hrate, xgifb_info->refresh_rate);
1508         } else {
1509                 xgifb_info->refresh_rate = 60;
1510         }
1511
1512         /*
1513         if ((var->pixclock) && (htotal)) {
1514                 drate = 1E12 / var->pixclock;
1515                 hrate = drate / htotal;
1516                 refresh_rate = (unsigned int) (hrate / vtotal * 2 + 0.5);
1517         } else {
1518                 refresh_rate = 60;
1519         }
1520         */
1521         /* TW: Calculation wrong for 1024x600 - force it to 60Hz */
1522         if ((var->xres == 1024) && (var->yres == 600))
1523                 refresh_rate = 60;
1524
1525         search_idx = 0;
1526         while ((XGIbios_mode[search_idx].mode_no != 0) &&
1527                 (XGIbios_mode[search_idx].xres <= var->xres)) {
1528                 if ((XGIbios_mode[search_idx].xres == var->xres) &&
1529                         (XGIbios_mode[search_idx].yres == var->yres) &&
1530                         (XGIbios_mode[search_idx].bpp == var->bits_per_pixel)) {
1531                         if (XGIfb_validate_mode(xgifb_info, search_idx) > 0) {
1532                                 found_mode = 1;
1533                                 break;
1534                         }
1535                 }
1536                 search_idx++;
1537         }
1538
1539         if (!found_mode) {
1540
1541                 printk(KERN_ERR "XGIfb: %dx%dx%d is no valid mode\n",
1542                         var->xres, var->yres, var->bits_per_pixel);
1543                 search_idx = 0;
1544                 while (XGIbios_mode[search_idx].mode_no != 0) {
1545                         if ((var->xres <= XGIbios_mode[search_idx].xres) &&
1546                             (var->yres <= XGIbios_mode[search_idx].yres) &&
1547                             (var->bits_per_pixel ==
1548                              XGIbios_mode[search_idx].bpp)) {
1549                                 if (XGIfb_validate_mode(xgifb_info,
1550                                                         search_idx) > 0) {
1551                                         found_mode = 1;
1552                                         break;
1553                                 }
1554                         }
1555                         search_idx++;
1556                 }
1557                 if (found_mode) {
1558                         var->xres = XGIbios_mode[search_idx].xres;
1559                         var->yres = XGIbios_mode[search_idx].yres;
1560                         printk(KERN_DEBUG "XGIfb: Adapted to mode %dx%dx%d\n",
1561                                 var->xres, var->yres, var->bits_per_pixel);
1562
1563                 } else {
1564                         printk(KERN_ERR "XGIfb: Failed to find similar mode to %dx%dx%d\n",
1565                                 var->xres, var->yres, var->bits_per_pixel);
1566                         return -EINVAL;
1567                 }
1568         }
1569
1570         /* TW: TODO: Check the refresh rate */
1571
1572         /* Adapt RGB settings */
1573         XGIfb_bpp_to_var(xgifb_info, var);
1574
1575         /* Sanity check for offsets */
1576         if (var->xoffset < 0)
1577                 var->xoffset = 0;
1578         if (var->yoffset < 0)
1579                 var->yoffset = 0;
1580
1581         if (!XGIfb_ypan) {
1582                 if (var->xres != var->xres_virtual)
1583                         var->xres_virtual = var->xres;
1584                 if (var->yres != var->yres_virtual)
1585                         var->yres_virtual = var->yres;
1586         } /* else { */
1587                 /* TW: Now patch yres_virtual if we use panning */
1588                 /* May I do this? */
1589                 /* var->yres_virtual = xgifb_info->heapstart /
1590                         (var->xres * (var->bits_per_pixel >> 3)); */
1591                 /* if (var->yres_virtual <= var->yres) { */
1592                 /* TW: Paranoia check */
1593                 /* var->yres_virtual = var->yres; */
1594                 /* } */
1595         /* } */
1596
1597         /* Truncate offsets to maximum if too high */
1598         if (var->xoffset > var->xres_virtual - var->xres)
1599                 var->xoffset = var->xres_virtual - var->xres - 1;
1600
1601         if (var->yoffset > var->yres_virtual - var->yres)
1602                 var->yoffset = var->yres_virtual - var->yres - 1;
1603
1604         /* Set everything else to 0 */
1605         var->red.msb_right =
1606         var->green.msb_right =
1607         var->blue.msb_right =
1608         var->transp.offset = var->transp.length = var->transp.msb_right = 0;
1609
1610         DEBUGPRN("end of check_var");
1611         return 0;
1612 }
1613
1614 static int XGIfb_pan_display(struct fb_var_screeninfo *var,
1615                 struct fb_info *info)
1616 {
1617         int err;
1618         struct xgifb_video_info *xgifb_info = info->par;
1619
1620         /* printk("\nInside pan_display:\n"); */
1621
1622         if (var->xoffset > (var->xres_virtual - var->xres))
1623                 return -EINVAL;
1624         if (var->yoffset > (var->yres_virtual - var->yres))
1625                 return -EINVAL;
1626
1627         if (var->vmode & FB_VMODE_YWRAP) {
1628                 if (var->yoffset < 0 || var->yoffset >= info->var.yres_virtual
1629                                 || var->xoffset)
1630                         return -EINVAL;
1631         } else {
1632                 if (var->xoffset + info->var.xres > info->var.xres_virtual
1633                                 || var->yoffset + info->var.yres
1634                                                 > info->var.yres_virtual)
1635                         return -EINVAL;
1636         }
1637         err = XGIfb_pan_var(xgifb_info, var);
1638         if (err < 0)
1639                 return err;
1640
1641         info->var.xoffset = var->xoffset;
1642         info->var.yoffset = var->yoffset;
1643         if (var->vmode & FB_VMODE_YWRAP)
1644                 info->var.vmode |= FB_VMODE_YWRAP;
1645         else
1646                 info->var.vmode &= ~FB_VMODE_YWRAP;
1647
1648         /* printk("End of pan_display\n"); */
1649         return 0;
1650 }
1651
1652 static int XGIfb_blank(int blank, struct fb_info *info)
1653 {
1654         struct xgifb_video_info *xgifb_info = info->par;
1655         u8 reg;
1656
1657         reg = xgifb_reg_get(XGICR, 0x17);
1658
1659         if (blank > 0)
1660                 reg &= 0x7f;
1661         else
1662                 reg |= 0x80;
1663
1664         xgifb_reg_set(XGICR, 0x17, reg);
1665         xgifb_reg_set(XGISR, 0x00, 0x01); /* Synchronous Reset */
1666         xgifb_reg_set(XGISR, 0x00, 0x03); /* End Reset */
1667         return 0;
1668 }
1669
1670 static struct fb_ops XGIfb_ops = {
1671         .owner = THIS_MODULE,
1672         .fb_open = XGIfb_open,
1673         .fb_release = XGIfb_release,
1674         .fb_check_var = XGIfb_check_var,
1675         .fb_set_par = XGIfb_set_par,
1676         .fb_setcolreg = XGIfb_setcolreg,
1677         .fb_pan_display = XGIfb_pan_display,
1678         .fb_blank = XGIfb_blank,
1679         .fb_fillrect = cfb_fillrect,
1680         .fb_copyarea = cfb_copyarea,
1681         .fb_imageblit = cfb_imageblit,
1682         /* .fb_mmap = XGIfb_mmap, */
1683 };
1684
1685 /* ---------------- Chip generation dependent routines ---------------- */
1686
1687 /* for XGI 315/550/650/740/330 */
1688
1689 static int XGIfb_get_dram_size(struct xgifb_video_info *xgifb_info)
1690 {
1691
1692         u8 ChannelNum, tmp;
1693         u8 reg = 0;
1694
1695         /* xorg driver sets 32MB * 1 channel */
1696         if (xgifb_info->chip == XG27)
1697                 xgifb_reg_set(XGISR, IND_XGI_DRAM_SIZE, 0x51);
1698
1699         reg = xgifb_reg_get(XGISR, IND_XGI_DRAM_SIZE);
1700         switch ((reg & XGI_DRAM_SIZE_MASK) >> 4) {
1701         case XGI_DRAM_SIZE_1MB:
1702                 xgifb_info->video_size = 0x100000;
1703                 break;
1704         case XGI_DRAM_SIZE_2MB:
1705                 xgifb_info->video_size = 0x200000;
1706                 break;
1707         case XGI_DRAM_SIZE_4MB:
1708                 xgifb_info->video_size = 0x400000;
1709                 break;
1710         case XGI_DRAM_SIZE_8MB:
1711                 xgifb_info->video_size = 0x800000;
1712                 break;
1713         case XGI_DRAM_SIZE_16MB:
1714                 xgifb_info->video_size = 0x1000000;
1715                 break;
1716         case XGI_DRAM_SIZE_32MB:
1717                 xgifb_info->video_size = 0x2000000;
1718                 break;
1719         case XGI_DRAM_SIZE_64MB:
1720                 xgifb_info->video_size = 0x4000000;
1721                 break;
1722         case XGI_DRAM_SIZE_128MB:
1723                 xgifb_info->video_size = 0x8000000;
1724                 break;
1725         case XGI_DRAM_SIZE_256MB:
1726                 xgifb_info->video_size = 0x10000000;
1727                 break;
1728         default:
1729                 return -1;
1730         }
1731
1732         tmp = (reg & 0x0c) >> 2;
1733         switch (xgifb_info->chip) {
1734         case XG20:
1735         case XG21:
1736         case XG27:
1737                 ChannelNum = 1;
1738                 break;
1739
1740         case XG42:
1741                 if (reg & 0x04)
1742                         ChannelNum = 2;
1743                 else
1744                         ChannelNum = 1;
1745                 break;
1746
1747         case XG45:
1748                 if (tmp == 1)
1749                         ChannelNum = 2;
1750                 else if (tmp == 2)
1751                         ChannelNum = 3;
1752                 else if (tmp == 3)
1753                         ChannelNum = 4;
1754                 else
1755                         ChannelNum = 1;
1756                 break;
1757
1758         case XG40:
1759         default:
1760                 if (tmp == 2)
1761                         ChannelNum = 2;
1762                 else if (tmp == 3)
1763                         ChannelNum = 3;
1764                 else
1765                         ChannelNum = 1;
1766                 break;
1767         }
1768
1769         xgifb_info->video_size = xgifb_info->video_size * ChannelNum;
1770         /* PLiad fixed for benchmarking and fb set */
1771         /* xgifb_info->video_size = 0x200000; */ /* 1024x768x16 */
1772         /* xgifb_info->video_size = 0x1000000; */ /* benchmark */
1773
1774         printk("XGIfb: SR14=%x DramSzie %x ChannelNum %x\n",
1775                reg,
1776                xgifb_info->video_size, ChannelNum);
1777         return 0;
1778
1779 }
1780
1781 static void XGIfb_detect_VB(struct xgifb_video_info *xgifb_info)
1782 {
1783         u8 cr32, temp = 0;
1784
1785         xgifb_info->TV_plug = xgifb_info->TV_type = 0;
1786
1787         switch (xgifb_info->hasVB) {
1788         case HASVB_LVDS_CHRONTEL:
1789         case HASVB_CHRONTEL:
1790                 break;
1791         case HASVB_301:
1792         case HASVB_302:
1793                 /* XGI_Sense30x(); */ /* Yi-Lin TV Sense? */
1794                 break;
1795         }
1796
1797         cr32 = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR32);
1798
1799         if ((cr32 & XGI_CRT1) && !XGIfb_crt1off)
1800                 XGIfb_crt1off = 0;
1801         else {
1802                 if (cr32 & 0x5F)
1803                         XGIfb_crt1off = 1;
1804                 else
1805                         XGIfb_crt1off = 0;
1806         }
1807
1808         if (XGIfb_crt2type != -1)
1809                 /* TW: Override with option */
1810                 xgifb_info->display2 = XGIfb_crt2type;
1811         else if (cr32 & XGI_VB_TV)
1812                 xgifb_info->display2 = XGIFB_DISP_TV;
1813         else if (cr32 & XGI_VB_LCD)
1814                 xgifb_info->display2 = XGIFB_DISP_LCD;
1815         else if (cr32 & XGI_VB_CRT2)
1816                 xgifb_info->display2 = XGIFB_DISP_CRT;
1817         else
1818                 xgifb_info->display2 = XGIFB_DISP_NONE;
1819
1820         if (XGIfb_tvplug != -1)
1821                 /* PR/TW: Override with option */
1822                 xgifb_info->TV_plug = XGIfb_tvplug;
1823         else if (cr32 & XGI_VB_HIVISION) {
1824                 xgifb_info->TV_type = TVMODE_HIVISION;
1825                 xgifb_info->TV_plug = TVPLUG_SVIDEO;
1826         } else if (cr32 & XGI_VB_SVIDEO)
1827                 xgifb_info->TV_plug = TVPLUG_SVIDEO;
1828         else if (cr32 & XGI_VB_COMPOSITE)
1829                 xgifb_info->TV_plug = TVPLUG_COMPOSITE;
1830         else if (cr32 & XGI_VB_SCART)
1831                 xgifb_info->TV_plug = TVPLUG_SCART;
1832
1833         if (xgifb_info->TV_type == 0) {
1834                 temp = xgifb_reg_get(XGICR, 0x38);
1835                 if (temp & 0x10)
1836                         xgifb_info->TV_type = TVMODE_PAL;
1837                 else
1838                         xgifb_info->TV_type = TVMODE_NTSC;
1839         }
1840
1841         /* TW: Copy forceCRT1 option to CRT1off if option is given */
1842         if (XGIfb_forcecrt1 != -1) {
1843                 if (XGIfb_forcecrt1)
1844                         XGIfb_crt1off = 0;
1845                 else
1846                         XGIfb_crt1off = 1;
1847         }
1848 }
1849
1850 static int XGIfb_has_VB(struct xgifb_video_info *xgifb_info)
1851 {
1852         u8 vb_chipid;
1853
1854         vb_chipid = xgifb_reg_get(XGIPART4, 0x00);
1855         switch (vb_chipid) {
1856         case 0x01:
1857                 xgifb_info->hasVB = HASVB_301;
1858                 break;
1859         case 0x02:
1860                 xgifb_info->hasVB = HASVB_302;
1861                 break;
1862         default:
1863                 xgifb_info->hasVB = HASVB_NONE;
1864                 return 0;
1865         }
1866         return 1;
1867 }
1868
1869 static void XGIfb_get_VB_type(struct xgifb_video_info *xgifb_info)
1870 {
1871         u8 reg;
1872
1873         if (!XGIfb_has_VB(xgifb_info)) {
1874                 reg = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR37);
1875                 switch ((reg & XGI_EXTERNAL_CHIP_MASK) >> 1) {
1876                 case XGI310_EXTERNAL_CHIP_LVDS:
1877                         xgifb_info->hasVB = HASVB_LVDS;
1878                         break;
1879                 case XGI310_EXTERNAL_CHIP_LVDS_CHRONTEL:
1880                         xgifb_info->hasVB = HASVB_LVDS_CHRONTEL;
1881                         break;
1882                 default:
1883                         break;
1884                 }
1885         }
1886 }
1887
1888 static int __init xgifb_optval(char *fullopt, int validx)
1889 {
1890         unsigned long lres;
1891
1892         if (kstrtoul(fullopt + validx, 0, &lres) < 0 || lres > INT_MAX) {
1893                 pr_err("xgifb: invalid value for option: %s\n", fullopt);
1894                 return 0;
1895         }
1896         return lres;
1897 }
1898
1899 static int __init XGIfb_setup(char *options)
1900 {
1901         char *this_opt;
1902
1903         if (!options || !*options)
1904                 return 0;
1905
1906         pr_info("xgifb: options: %s\n", options);
1907
1908         while ((this_opt = strsep(&options, ",")) != NULL) {
1909
1910                 if (!*this_opt)
1911                         continue;
1912
1913                 if (!strncmp(this_opt, "mode:", 5)) {
1914                         mode = this_opt + 5;
1915                 } else if (!strncmp(this_opt, "vesa:", 5)) {
1916                         vesa = xgifb_optval(this_opt, 5);
1917                 } else if (!strncmp(this_opt, "vrate:", 6)) {
1918                         refresh_rate = xgifb_optval(this_opt, 6);
1919                 } else if (!strncmp(this_opt, "rate:", 5)) {
1920                         refresh_rate = xgifb_optval(this_opt, 5);
1921                 } else if (!strncmp(this_opt, "crt1off", 7)) {
1922                         XGIfb_crt1off = 1;
1923                 } else if (!strncmp(this_opt, "filter:", 7)) {
1924                         filter = xgifb_optval(this_opt, 7);
1925                 } else if (!strncmp(this_opt, "forcecrt2type:", 14)) {
1926                         XGIfb_search_crt2type(this_opt + 14);
1927                 } else if (!strncmp(this_opt, "forcecrt1:", 10)) {
1928                         XGIfb_forcecrt1 = xgifb_optval(this_opt, 10);
1929                 } else if (!strncmp(this_opt, "tvmode:", 7)) {
1930                         XGIfb_search_tvstd(this_opt + 7);
1931                 } else if (!strncmp(this_opt, "tvstandard:", 11)) {
1932                         XGIfb_search_tvstd(this_opt + 7);
1933                 } else if (!strncmp(this_opt, "dstn", 4)) {
1934                         enable_dstn = 1;
1935                         /* TW: DSTN overrules forcecrt2type */
1936                         XGIfb_crt2type = XGIFB_DISP_LCD;
1937                 } else if (!strncmp(this_opt, "noypan", 6)) {
1938                         XGIfb_ypan = 0;
1939                 } else if (!strncmp(this_opt, "userom:", 7)) {
1940                         XGIfb_userom = xgifb_optval(this_opt, 7);
1941                 } else {
1942                         mode = this_opt;
1943                 }
1944         }
1945         return 0;
1946 }
1947
1948 static unsigned char *xgifb_copy_rom(struct pci_dev *dev)
1949 {
1950         void __iomem *rom_address;
1951         unsigned char *rom_copy;
1952         size_t rom_size;
1953
1954         rom_address = pci_map_rom(dev, &rom_size);
1955         if (rom_address == NULL)
1956                 return NULL;
1957
1958         rom_copy = vzalloc(XGIFB_ROM_SIZE);
1959         if (rom_copy == NULL)
1960                 goto done;
1961
1962         rom_size = min_t(size_t, rom_size, XGIFB_ROM_SIZE);
1963         memcpy_fromio(rom_copy, rom_address, rom_size);
1964
1965 done:
1966         pci_unmap_rom(dev, rom_address);
1967         return rom_copy;
1968 }
1969
1970 static int __devinit xgifb_probe(struct pci_dev *pdev,
1971                 const struct pci_device_id *ent)
1972 {
1973         u8 reg, reg1;
1974         u8 CR48, CR38;
1975         int ret;
1976         bool xgi21_drvlcdcaplist = false;
1977         struct fb_info *fb_info;
1978         struct xgifb_video_info *xgifb_info;
1979         struct xgi_hw_device_info *hw_info;
1980
1981         fb_info = framebuffer_alloc(sizeof(*xgifb_info), &pdev->dev);
1982         if (!fb_info)
1983                 return -ENOMEM;
1984
1985         xgifb_info = fb_info->par;
1986         hw_info = &xgifb_info->hw_info;
1987         xgifb_info->fb_info = fb_info;
1988         xgifb_info->chip_id = pdev->device;
1989         pci_read_config_byte(pdev,
1990                              PCI_REVISION_ID,
1991                              &xgifb_info->revision_id);
1992         hw_info->jChipRevision = xgifb_info->revision_id;
1993
1994         xgifb_info->pcibus = pdev->bus->number;
1995         xgifb_info->pcislot = PCI_SLOT(pdev->devfn);
1996         xgifb_info->pcifunc = PCI_FUNC(pdev->devfn);
1997         xgifb_info->subsysvendor = pdev->subsystem_vendor;
1998         xgifb_info->subsysdevice = pdev->subsystem_device;
1999
2000         xgifb_info->video_base = pci_resource_start(pdev, 0);
2001         xgifb_info->mmio_base = pci_resource_start(pdev, 1);
2002         xgifb_info->mmio_size = pci_resource_len(pdev, 1);
2003         xgifb_info->vga_base = pci_resource_start(pdev, 2) + 0x30;
2004         hw_info->pjIOAddress = (unsigned char *)xgifb_info->vga_base;
2005         /* XGI_Pr.RelIO  = ioremap(pci_resource_start(pdev, 2), 128) + 0x30; */
2006         printk("XGIfb: Relocate IO address: %lx [%08lx]\n",
2007                (unsigned long)pci_resource_start(pdev, 2),
2008                xgifb_info->dev_info.RelIO);
2009
2010         if (pci_enable_device(pdev)) {
2011                 ret = -EIO;
2012                 goto error;
2013         }
2014
2015         XGIRegInit(&xgifb_info->dev_info, (unsigned long)hw_info->pjIOAddress);
2016
2017         xgifb_reg_set(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD);
2018         reg1 = xgifb_reg_get(XGISR, IND_XGI_PASSWORD);
2019
2020         if (reg1 != 0xa1) { /*I/O error */
2021                 printk("\nXGIfb: I/O error!!!");
2022                 ret = -EIO;
2023                 goto error;
2024         }
2025
2026         switch (xgifb_info->chip_id) {
2027         case PCI_DEVICE_ID_XG_20:
2028                 xgifb_reg_or(XGICR, Index_CR_GPIO_Reg3, GPIOG_EN);
2029                 CR48 = xgifb_reg_get(XGICR, Index_CR_GPIO_Reg1);
2030                 if (CR48&GPIOG_READ)
2031                         xgifb_info->chip = XG21;
2032                 else
2033                         xgifb_info->chip = XG20;
2034                 break;
2035         case PCI_DEVICE_ID_XG_40:
2036                 xgifb_info->chip = XG40;
2037                 break;
2038         case PCI_DEVICE_ID_XG_41:
2039                 xgifb_info->chip = XG41;
2040                 break;
2041         case PCI_DEVICE_ID_XG_42:
2042                 xgifb_info->chip = XG42;
2043                 break;
2044         case PCI_DEVICE_ID_XG_27:
2045                 xgifb_info->chip = XG27;
2046                 break;
2047         default:
2048                 ret = -ENODEV;
2049                 goto error;
2050         }
2051
2052         printk("XGIfb:chipid = %x\n", xgifb_info->chip);
2053         hw_info->jChipType = xgifb_info->chip;
2054
2055         if ((xgifb_info->chip == XG21) || (XGIfb_userom)) {
2056                 hw_info->pjVirtualRomBase = xgifb_copy_rom(pdev);
2057                 if (hw_info->pjVirtualRomBase)
2058                         printk(KERN_INFO "XGIfb: Video ROM found and mapped to %p\n",
2059                                hw_info->pjVirtualRomBase);
2060                 else
2061                         printk(KERN_INFO "XGIfb: Video ROM not found\n");
2062         } else {
2063                 hw_info->pjVirtualRomBase = NULL;
2064                 printk(KERN_INFO "XGIfb: Video ROM usage disabled\n");
2065         }
2066
2067         if (XGIfb_get_dram_size(xgifb_info)) {
2068                 printk(KERN_INFO "XGIfb: Fatal error: Unable to determine RAM size.\n");
2069                 ret = -ENODEV;
2070                 goto error;
2071         }
2072
2073         /* Enable PCI_LINEAR_ADDRESSING and MMIO_ENABLE  */
2074         xgifb_reg_or(XGISR,
2075                      IND_XGI_PCI_ADDRESS_SET,
2076                      (XGI_PCI_ADDR_ENABLE | XGI_MEM_MAP_IO_ENABLE));
2077         /* Enable 2D accelerator engine */
2078         xgifb_reg_or(XGISR, IND_XGI_MODULE_ENABLE, XGI_ENABLE_2D);
2079
2080         hw_info->ulVideoMemorySize = xgifb_info->video_size;
2081
2082         if (!request_mem_region(xgifb_info->video_base,
2083                                 xgifb_info->video_size,
2084                                 "XGIfb FB")) {
2085                 printk("unable request memory size %x",
2086                        xgifb_info->video_size);
2087                 printk(KERN_ERR "XGIfb: Fatal error: Unable to reserve frame buffer memory\n");
2088                 printk(KERN_ERR "XGIfb: Is there another framebuffer driver active?\n");
2089                 ret = -ENODEV;
2090                 goto error;
2091         }
2092
2093         if (!request_mem_region(xgifb_info->mmio_base,
2094                                 xgifb_info->mmio_size,
2095                                 "XGIfb MMIO")) {
2096                 printk(KERN_ERR "XGIfb: Fatal error: Unable to reserve MMIO region\n");
2097                 ret = -ENODEV;
2098                 goto error_0;
2099         }
2100
2101         xgifb_info->video_vbase = hw_info->pjVideoMemoryAddress =
2102         ioremap(xgifb_info->video_base, xgifb_info->video_size);
2103         xgifb_info->mmio_vbase = ioremap(xgifb_info->mmio_base,
2104                                             xgifb_info->mmio_size);
2105
2106         printk(KERN_INFO "XGIfb: Framebuffer at 0x%lx, mapped to 0x%p, size %dk\n",
2107                xgifb_info->video_base,
2108                xgifb_info->video_vbase,
2109                xgifb_info->video_size / 1024);
2110
2111         printk(KERN_INFO "XGIfb: MMIO at 0x%lx, mapped to 0x%p, size %ldk\n",
2112                xgifb_info->mmio_base, xgifb_info->mmio_vbase,
2113                xgifb_info->mmio_size / 1024);
2114         printk("XGIfb: XGIInitNew() ...");
2115         pci_set_drvdata(pdev, xgifb_info);
2116         if (XGIInitNew(pdev))
2117                 printk("OK\n");
2118         else
2119                 printk("Fail\n");
2120
2121         xgifb_info->mtrr = (unsigned int) 0;
2122
2123         xgifb_info->hasVB = HASVB_NONE;
2124         if ((xgifb_info->chip == XG20) ||
2125             (xgifb_info->chip == XG27)) {
2126                 xgifb_info->hasVB = HASVB_NONE;
2127         } else if (xgifb_info->chip == XG21) {
2128                 CR38 = xgifb_reg_get(XGICR, 0x38);
2129                 if ((CR38&0xE0) == 0xC0) {
2130                         xgifb_info->display2 = XGIFB_DISP_LCD;
2131                         if (!XGIfb_GetXG21LVDSData(xgifb_info))
2132                                 xgi21_drvlcdcaplist = true;
2133                 } else if ((CR38&0xE0) == 0x60) {
2134                         xgifb_info->hasVB = HASVB_CHRONTEL;
2135                 } else {
2136                         xgifb_info->hasVB = HASVB_NONE;
2137                 }
2138         } else {
2139                 XGIfb_get_VB_type(xgifb_info);
2140         }
2141
2142         hw_info->ujVBChipID = VB_CHIP_UNKNOWN;
2143
2144         hw_info->ulExternalChip = 0;
2145
2146         switch (xgifb_info->hasVB) {
2147         case HASVB_301:
2148                 reg = xgifb_reg_get(XGIPART4, 0x01);
2149                 if (reg >= 0xE0) {
2150                         hw_info->ujVBChipID = VB_CHIP_302LV;
2151                         printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n", reg);
2152                 } else if (reg >= 0xD0) {
2153                         hw_info->ujVBChipID = VB_CHIP_301LV;
2154                         printk(KERN_INFO "XGIfb: XGI301LV bridge detected (revision 0x%02x)\n", reg);
2155                 }
2156                 /* else if (reg >= 0xB0) {
2157                         hw_info->ujVBChipID = VB_CHIP_301B;
2158                         reg1 = xgifb_reg_get(XGIPART4, 0x23);
2159                         printk("XGIfb: XGI301B bridge detected\n");
2160                 } */
2161                 else {
2162                         hw_info->ujVBChipID = VB_CHIP_301;
2163                         printk("XGIfb: XGI301 bridge detected\n");
2164                 }
2165                 break;
2166         case HASVB_302:
2167                 reg = xgifb_reg_get(XGIPART4, 0x01);
2168                 if (reg >= 0xE0) {
2169                         hw_info->ujVBChipID = VB_CHIP_302LV;
2170                         printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n", reg);
2171                 } else if (reg >= 0xD0) {
2172                         hw_info->ujVBChipID = VB_CHIP_301LV;
2173                         printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n", reg);
2174                 } else if (reg >= 0xB0) {
2175                         reg1 = xgifb_reg_get(XGIPART4, 0x23);
2176
2177                         hw_info->ujVBChipID = VB_CHIP_302B;
2178
2179                 } else {
2180                         hw_info->ujVBChipID = VB_CHIP_302;
2181                         printk(KERN_INFO "XGIfb: XGI302 bridge detected\n");
2182                 }
2183                 break;
2184         case HASVB_LVDS:
2185                 hw_info->ulExternalChip = 0x1;
2186                 printk(KERN_INFO "XGIfb: LVDS transmitter detected\n");
2187                 break;
2188         case HASVB_TRUMPION:
2189                 hw_info->ulExternalChip = 0x2;
2190                 printk(KERN_INFO "XGIfb: Trumpion Zurac LVDS scaler detected\n");
2191                 break;
2192         case HASVB_CHRONTEL:
2193                 hw_info->ulExternalChip = 0x4;
2194                 printk(KERN_INFO "XGIfb: Chrontel TV encoder detected\n");
2195                 break;
2196         case HASVB_LVDS_CHRONTEL:
2197                 hw_info->ulExternalChip = 0x5;
2198                 printk(KERN_INFO "XGIfb: LVDS transmitter and Chrontel TV encoder detected\n");
2199                 break;
2200         default:
2201                 printk(KERN_INFO "XGIfb: No or unknown bridge type detected\n");
2202                 break;
2203         }
2204
2205         if (xgifb_info->hasVB != HASVB_NONE)
2206                 XGIfb_detect_VB(xgifb_info);
2207
2208         if (xgifb_info->display2 == XGIFB_DISP_LCD) {
2209                 if (!enable_dstn) {
2210                         reg = xgifb_reg_get(XGICR, IND_XGI_LCD_PANEL);
2211                         reg &= 0x0f;
2212                         hw_info->ulCRT2LCDType = XGI310paneltype[reg];
2213
2214                 } else {
2215                         /* TW: FSTN/DSTN */
2216                         hw_info->ulCRT2LCDType = LCD_320x480;
2217                 }
2218         }
2219
2220         if ((hw_info->ujVBChipID == VB_CHIP_302B) ||
2221                         (hw_info->ujVBChipID == VB_CHIP_301LV) ||
2222                         (hw_info->ujVBChipID == VB_CHIP_302LV)) {
2223                 int tmp;
2224                 tmp = xgifb_reg_get(XGICR, 0x34);
2225                 if (tmp <= 0x13) {
2226                         /* Currently on LCDA?
2227                          *(Some BIOSes leave CR38) */
2228                         tmp = xgifb_reg_get(XGICR, 0x38);
2229                         if ((tmp & 0x03) == 0x03) {
2230                                 /* XGI_Pr.XGI_UseLCDA = 1; */
2231                         } else {
2232                                 /* Currently on LCDA?
2233                                  *(Some newer BIOSes set D0 in CR35) */
2234                                 tmp = xgifb_reg_get(XGICR, 0x35);
2235                                 if (tmp & 0x01) {
2236                                         /* XGI_Pr.XGI_UseLCDA = 1; */
2237                                 } else {
2238                                         tmp = xgifb_reg_get(XGICR,
2239                                                             0x30);
2240                                         if (tmp & 0x20) {
2241                                                 tmp = xgifb_reg_get(
2242                                                         XGIPART1, 0x13);
2243                                                 if (tmp & 0x04) {
2244                                                         /* XGI_Pr.XGI_UseLCDA = 1; */
2245                                                 }
2246                                         }
2247                                 }
2248                         }
2249                 }
2250
2251         }
2252
2253         xgifb_info->mode_idx = -1;
2254
2255         if (mode)
2256                 XGIfb_search_mode(xgifb_info, mode);
2257         else if (vesa != -1)
2258                 XGIfb_search_vesamode(xgifb_info, vesa);
2259
2260         if (xgifb_info->mode_idx >= 0)
2261                 xgifb_info->mode_idx =
2262                         XGIfb_validate_mode(xgifb_info, xgifb_info->mode_idx);
2263
2264         if (xgifb_info->mode_idx < 0) {
2265                 if (xgifb_info->display2 == XGIFB_DISP_LCD &&
2266                     xgifb_info->chip == XG21)
2267                         xgifb_info->mode_idx =
2268                                 XGIfb_GetXG21DefaultLVDSModeIdx();
2269                 else
2270                         xgifb_info->mode_idx = DEFAULT_MODE;
2271         }
2272
2273         if (xgifb_info->mode_idx < 0) {
2274                 dev_err(&pdev->dev, "no supported video mode found\n");
2275                 goto error_1;
2276         }
2277
2278         if (xgi21_drvlcdcaplist) {
2279                 int m;
2280
2281                 for (m = 0; m < ARRAY_SIZE(XGI21_LCDCapList); m++)
2282                         if ((XGI21_LCDCapList[m].LVDSHDE ==
2283                                 XGIbios_mode[xgifb_info->mode_idx].xres) &&
2284                             (XGI21_LCDCapList[m].LVDSVDE ==
2285                                 XGIbios_mode[xgifb_info->mode_idx].yres)) {
2286                                 xgifb_reg_set(xgifb_info->dev_info.P3d4,
2287                                               0x36,
2288                                               m);
2289                                 break;
2290                         }
2291         }
2292
2293         /* yilin set default refresh rate */
2294         xgifb_info->refresh_rate = refresh_rate;
2295         if (xgifb_info->refresh_rate == 0)
2296                 xgifb_info->refresh_rate = 60;
2297         if (XGIfb_search_refresh_rate(xgifb_info,
2298                         xgifb_info->refresh_rate) == 0) {
2299                 xgifb_info->rate_idx =
2300                         XGIbios_mode[xgifb_info->mode_idx].rate_idx;
2301                 xgifb_info->refresh_rate = 60;
2302         }
2303
2304         xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp;
2305         xgifb_info->video_vwidth =
2306                 xgifb_info->video_width =
2307                         XGIbios_mode[xgifb_info->mode_idx].xres;
2308         xgifb_info->video_vheight =
2309                 xgifb_info->video_height =
2310                         XGIbios_mode[xgifb_info->mode_idx].yres;
2311         xgifb_info->org_x = xgifb_info->org_y = 0;
2312         xgifb_info->video_linelength =
2313                 xgifb_info->video_width *
2314                 (xgifb_info->video_bpp >> 3);
2315         switch (xgifb_info->video_bpp) {
2316         case 8:
2317                 xgifb_info->DstColor = 0x0000;
2318                 xgifb_info->XGI310_AccelDepth = 0x00000000;
2319                 xgifb_info->video_cmap_len = 256;
2320                 break;
2321         case 16:
2322                 xgifb_info->DstColor = 0x8000;
2323                 xgifb_info->XGI310_AccelDepth = 0x00010000;
2324                 xgifb_info->video_cmap_len = 16;
2325                 break;
2326         case 32:
2327                 xgifb_info->DstColor = 0xC000;
2328                 xgifb_info->XGI310_AccelDepth = 0x00020000;
2329                 xgifb_info->video_cmap_len = 16;
2330                 break;
2331         default:
2332                 xgifb_info->video_cmap_len = 16;
2333                 printk(KERN_INFO "XGIfb: Unsupported depth %d",
2334                        xgifb_info->video_bpp);
2335                 break;
2336         }
2337
2338         printk(KERN_INFO "XGIfb: Default mode is %dx%dx%d (%dHz)\n",
2339                xgifb_info->video_width,
2340                xgifb_info->video_height,
2341                xgifb_info->video_bpp,
2342                xgifb_info->refresh_rate);
2343
2344         fb_info->var.red.length         = 8;
2345         fb_info->var.green.length       = 8;
2346         fb_info->var.blue.length        = 8;
2347         fb_info->var.activate           = FB_ACTIVATE_NOW;
2348         fb_info->var.height             = -1;
2349         fb_info->var.width              = -1;
2350         fb_info->var.vmode              = FB_VMODE_NONINTERLACED;
2351         fb_info->var.xres               = xgifb_info->video_width;
2352         fb_info->var.xres_virtual       = xgifb_info->video_width;
2353         fb_info->var.yres               = xgifb_info->video_height;
2354         fb_info->var.yres_virtual       = xgifb_info->video_height;
2355         fb_info->var.bits_per_pixel     = xgifb_info->video_bpp;
2356
2357         XGIfb_bpp_to_var(xgifb_info, &fb_info->var);
2358
2359         fb_info->var.pixclock = (u32) (1000000000 /
2360                         XGIfb_mode_rate_to_dclock(&xgifb_info->dev_info,
2361                                 hw_info,
2362                                 XGIbios_mode[xgifb_info->mode_idx].mode_no,
2363                                 xgifb_info->rate_idx));
2364
2365         if (XGIfb_mode_rate_to_ddata(&xgifb_info->dev_info, hw_info,
2366                 XGIbios_mode[xgifb_info->mode_idx].mode_no,
2367                 xgifb_info->rate_idx,
2368                 &fb_info->var.left_margin,
2369                 &fb_info->var.right_margin,
2370                 &fb_info->var.upper_margin,
2371                 &fb_info->var.lower_margin,
2372                 &fb_info->var.hsync_len,
2373                 &fb_info->var.vsync_len,
2374                 &fb_info->var.sync,
2375                 &fb_info->var.vmode)) {
2376
2377                 if ((fb_info->var.vmode & FB_VMODE_MASK) ==
2378                     FB_VMODE_INTERLACED) {
2379                         fb_info->var.yres <<= 1;
2380                         fb_info->var.yres_virtual <<= 1;
2381                 } else if ((fb_info->var.vmode & FB_VMODE_MASK) ==
2382                            FB_VMODE_DOUBLE) {
2383                         fb_info->var.pixclock >>= 1;
2384                         fb_info->var.yres >>= 1;
2385                         fb_info->var.yres_virtual >>= 1;
2386                 }
2387
2388         }
2389
2390         strncpy(fb_info->fix.id, "XGI", sizeof(fb_info->fix.id) - 1);
2391         fb_info->fix.type       = FB_TYPE_PACKED_PIXELS;
2392         fb_info->fix.xpanstep   = 1;
2393         fb_info->fix.ypanstep   = 1;
2394
2395         fb_info->flags = FBINFO_FLAG_DEFAULT;
2396         fb_info->screen_base = xgifb_info->video_vbase;
2397         fb_info->fbops = &XGIfb_ops;
2398         XGIfb_get_fix(&fb_info->fix, -1, fb_info);
2399         fb_info->pseudo_palette = xgifb_info->pseudo_palette;
2400
2401         fb_alloc_cmap(&fb_info->cmap, 256 , 0);
2402
2403 #ifdef CONFIG_MTRR
2404         xgifb_info->mtrr = mtrr_add(xgifb_info->video_base,
2405                 xgifb_info->video_size, MTRR_TYPE_WRCOMB, 1);
2406         if (xgifb_info->mtrr >= 0)
2407                 dev_info(&pdev->dev, "added MTRR\n");
2408 #endif
2409
2410         if (register_framebuffer(fb_info) < 0) {
2411                 ret = -EINVAL;
2412                 goto error_mtrr;
2413         }
2414
2415         dumpVGAReg();
2416
2417         return 0;
2418
2419 error_mtrr:
2420 #ifdef CONFIG_MTRR
2421         if (xgifb_info->mtrr >= 0)
2422                 mtrr_del(xgifb_info->mtrr, xgifb_info->video_base,
2423                         xgifb_info->video_size);
2424 #endif /* CONFIG_MTRR */
2425 error_1:
2426         iounmap(xgifb_info->mmio_vbase);
2427         iounmap(xgifb_info->video_vbase);
2428         release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
2429 error_0:
2430         release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
2431 error:
2432         vfree(hw_info->pjVirtualRomBase);
2433         framebuffer_release(fb_info);
2434         return ret;
2435 }
2436
2437 /*****************************************************/
2438 /*                PCI DEVICE HANDLING                */
2439 /*****************************************************/
2440
2441 static void __devexit xgifb_remove(struct pci_dev *pdev)
2442 {
2443         struct xgifb_video_info *xgifb_info = pci_get_drvdata(pdev);
2444         struct fb_info *fb_info = xgifb_info->fb_info;
2445
2446         unregister_framebuffer(fb_info);
2447 #ifdef CONFIG_MTRR
2448         if (xgifb_info->mtrr >= 0)
2449                 mtrr_del(xgifb_info->mtrr, xgifb_info->video_base,
2450                         xgifb_info->video_size);
2451 #endif /* CONFIG_MTRR */
2452         iounmap(xgifb_info->mmio_vbase);
2453         iounmap(xgifb_info->video_vbase);
2454         release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
2455         release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
2456         vfree(xgifb_info->hw_info.pjVirtualRomBase);
2457         framebuffer_release(fb_info);
2458         pci_set_drvdata(pdev, NULL);
2459 }
2460
2461 static struct pci_driver xgifb_driver = {
2462         .name = "xgifb",
2463         .id_table = xgifb_pci_table,
2464         .probe = xgifb_probe,
2465         .remove = __devexit_p(xgifb_remove)
2466 };
2467
2468 static int __init xgifb_init(void)
2469 {
2470         char *option = NULL;
2471
2472         if (fb_get_options("xgifb", &option))
2473                 return -ENODEV;
2474         XGIfb_setup(option);
2475
2476         return pci_register_driver(&xgifb_driver);
2477 }
2478
2479 module_init(xgifb_init);
2480
2481 /*****************************************************/
2482 /*                      MODULE                       */
2483 /*****************************************************/
2484
2485 #ifdef MODULE
2486
2487 MODULE_DESCRIPTION("Z7 Z9 Z9S Z11 framebuffer device driver");
2488 MODULE_LICENSE("GPL");
2489 MODULE_AUTHOR("XGITECH , Others");
2490
2491 module_param(mode, charp, 0);
2492 module_param(vesa, int, 0);
2493 module_param(filter, int, 0);
2494
2495 MODULE_PARM_DESC(mode,
2496         "\nSelects the desired default display mode in the format XxYxDepth,\n"
2497         "eg. 1024x768x16.\n");
2498
2499 MODULE_PARM_DESC(vesa,
2500         "\nSelects the desired default display mode by VESA mode number, eg.\n"
2501         "0x117.\n");
2502
2503 MODULE_PARM_DESC(filter,
2504                 "\nSelects TV flicker filter type (only for systems with a SiS301 video bridge).\n"
2505                 "(Possible values 0-7, default: [no filter])\n");
2506
2507 static void __exit xgifb_remove_module(void)
2508 {
2509         pci_unregister_driver(&xgifb_driver);
2510         printk(KERN_DEBUG "xgifb: Module unloaded\n");
2511 }
2512
2513 module_exit(xgifb_remove_module);
2514
2515 #endif  /*  /MODULE  */