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 /* -------------------- Macro definitions ---------------------------- */
  52
  53 #undef XGIFBDEBUG
  54
  55 #ifdef XGIFBDEBUG
  56 #define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt, __FUNCTION__ , ## args)
  57 #else
  58 #define DPRINTK(fmt, args...)
  59 #endif
  60
  61 #ifdef XGIFBDEBUG
  62 static void dumpVGAReg(void)
  63 {
  64         u8 i, reg;
  65
  66         xgifb_reg_set(XGISR, 0x05, 0x86);
  67         /*
  68         xgifb_reg_set(XGISR, 0x08, 0x4f);
  69         xgifb_reg_set(XGISR, 0x0f, 0x20);
  70         xgifb_reg_set(XGISR, 0x11, 0x4f);
  71         xgifb_reg_set(XGISR, 0x13, 0x45);
  72         xgifb_reg_set(XGISR, 0x14, 0x51);
  73         xgifb_reg_set(XGISR, 0x1e, 0x41);
  74         xgifb_reg_set(XGISR, 0x1f, 0x0);
  75         xgifb_reg_set(XGISR, 0x20, 0xa1);
  76         xgifb_reg_set(XGISR, 0x22, 0xfb);
  77         xgifb_reg_set(XGISR, 0x26, 0x22);
  78         xgifb_reg_set(XGISR, 0x3e, 0x07);
  79         */
  80
  81         /* xgifb_reg_set(XGICR, 0x19, 0x00); */
  82         /* xgifb_reg_set(XGICR, 0x1a, 0x3C); */
  83         /* xgifb_reg_set(XGICR, 0x22, 0xff); */
  84         /* xgifb_reg_set(XGICR, 0x3D, 0x10); */
  85
  86         /* xgifb_reg_set(XGICR, 0x4a, 0xf3); */
  87
  88         /* xgifb_reg_set(XGICR, 0x57, 0x0); */
  89         /* xgifb_reg_set(XGICR, 0x7a, 0x2c); */
  90
  91         /* xgifb_reg_set(XGICR, 0x82, 0xcc); */
  92         /* xgifb_reg_set(XGICR, 0x8c, 0x0); */
  93         /*
  94         xgifb_reg_set(XGICR, 0x99, 0x1);
  95         xgifb_reg_set(XGICR, 0x41, 0x40);
  96         */
  97
  98         for (i = 0; i < 0x4f; i++) {
  99                 reg = xgifb_reg_get(XGISR, i);
 100                 printk("\no 3c4 %x", i);
 101                 printk("\ni 3c5 => %x", reg);
 102         }
 103
 104         for (i = 0; i < 0xF0; i++) {
 105                 reg = xgifb_reg_get(XGICR, i);
 106                 printk("\no 3d4 %x", i);
 107                 printk("\ni 3d5 => %x", reg);
 108         }
 109         /*
 110         xgifb_reg_set(XGIPART1,0x2F,1);
 111         for (i=1; i < 0x50; i++) {
 112                 reg = xgifb_reg_get(XGIPART1, i);
 113                 printk("\no d004 %x", i);
 114                 printk("\ni d005 => %x", reg);
 115         }
 116
 117         for (i=0; i < 0x50; i++) {
 118                  reg = xgifb_reg_get(XGIPART2, i);
 119                  printk("\no d010 %x", i);
 120                  printk("\ni d011 => %x", reg);
 121         }
 122         for (i=0; i < 0x50; i++) {
 123                 reg = xgifb_reg_get(XGIPART3, i);
 124                 printk("\no d012 %x",i);
 125                 printk("\ni d013 => %x",reg);
 126         }
 127         for (i=0; i < 0x50; i++) {
 128                 reg = xgifb_reg_get(XGIPART4, i);
 129                 printk("\no d014 %x",i);
 130                 printk("\ni d015 => %x",reg);
 131         }
 132         */
 133 }
 134 #else
 135 static inline void dumpVGAReg(void)
 136 {
 137 }
 138 #endif
 139
 140 /* data for XGI components */
 141 struct video_info xgi_video_info;
 142
 143 #if 1
 144 #define DEBUGPRN(x)
 145 #else
 146 #define DEBUGPRN(x) printk(KERN_INFO x "\n");
 147 #endif
 148
 149 /* --------------- Hardware Access Routines -------------------------- */
 150
 151 static int XGIfb_mode_rate_to_dclock(struct vb_device_info *XGI_Pr,
 152                 struct xgi_hw_device_info *HwDeviceExtension,
 153                 unsigned char modeno, unsigned char rateindex)
 154 {
 155         unsigned short ModeNo = modeno;
 156         unsigned short ModeIdIndex = 0, ClockIndex = 0;
 157         unsigned short RefreshRateTableIndex = 0;
 158
 159         /* unsigned long  temp = 0; */
 160         int Clock;
 161         XGI_Pr->ROMAddr = HwDeviceExtension->pjVirtualRomBase;
 162         InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
 163
 164         RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
 165                         ModeIdIndex, XGI_Pr);
 166
 167         /*
 168         temp = XGI_SearchModeID(ModeNo , &ModeIdIndex,  XGI_Pr) ;
 169         if (!temp) {
 170                 printk(KERN_ERR "Could not find mode %x\n", ModeNo);
 171                 return 65000;
 172         }
 173
 174         RefreshRateTableIndex = XGI_Pr->EModeIDTable[ModeIdIndex].REFindex;
 175         RefreshRateTableIndex += (rateindex - 1);
 176
 177         */
 178         ClockIndex = XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_CRTVCLK;
 179
 180         Clock = XGI_Pr->VCLKData[ClockIndex].CLOCK * 1000;
 181
 182         return Clock;
 183 }
 184
 185 static int XGIfb_mode_rate_to_ddata(struct vb_device_info *XGI_Pr,
 186                 struct xgi_hw_device_info *HwDeviceExtension,
 187                 unsigned char modeno, unsigned char rateindex,
 188                 u32 *left_margin, u32 *right_margin, u32 *upper_margin,
 189                 u32 *lower_margin, u32 *hsync_len, u32 *vsync_len, u32 *sync,
 190                 u32 *vmode)
 191 {
 192         unsigned short ModeNo = modeno;
 193         unsigned short ModeIdIndex = 0, index = 0;
 194         unsigned short RefreshRateTableIndex = 0;
 195
 196         unsigned short VRE, VBE, VRS, VBS, VDE, VT;
 197         unsigned short HRE, HBE, HRS, HBS, HDE, HT;
 198         unsigned char sr_data, cr_data, cr_data2;
 199         unsigned long cr_data3;
 200         int A, B, C, D, E, F, temp, j;
 201         XGI_Pr->ROMAddr = HwDeviceExtension->pjVirtualRomBase;
 202         InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
 203         RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
 204                         ModeIdIndex, XGI_Pr);
 205         /*
 206         temp = XGI_SearchModeID(ModeNo, &ModeIdIndex, XGI_Pr);
 207         if (!temp)
 208                 return 0;
 209
 210         RefreshRateTableIndex = XGI_Pr->EModeIDTable[ModeIdIndex].REFindex;
 211         RefreshRateTableIndex += (rateindex - 1);
 212         */
 213         index = XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_CRT1CRTC;
 214
 215         sr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[5];
 216
 217         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[0];
 218
 219         /* Horizontal total */
 220         HT = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x03) << 8);
 221         A = HT + 5;
 222
 223         /*
 224         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[1];
 225
 226         Horizontal display enable end
 227         HDE = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x0C) << 6);
 228         */
 229         HDE = (XGI_Pr->RefIndex[RefreshRateTableIndex].XRes >> 3) - 1;
 230         E = HDE + 1;
 231
 232         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[3];
 233
 234         /* Horizontal retrace (=sync) start */
 235         HRS = (cr_data & 0xff) | ((unsigned short) (sr_data & 0xC0) << 2);
 236         F = HRS - E - 3;
 237
 238         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[1];
 239
 240         /* Horizontal blank start */
 241         HBS = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x30) << 4);
 242
 243         sr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[6];
 244
 245         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[2];
 246
 247         cr_data2 = XGI_Pr->XGINEWUB_CRT1Table[index].CR[4];
 248
 249         /* Horizontal blank end */
 250         HBE = (cr_data & 0x1f) | ((unsigned short) (cr_data2 & 0x80) >> 2)
 251                         | ((unsigned short) (sr_data & 0x03) << 6);
 252
 253         /* Horizontal retrace (=sync) end */
 254         HRE = (cr_data2 & 0x1f) | ((sr_data & 0x04) << 3);
 255
 256         temp = HBE - ((E - 1) & 255);
 257         B = (temp > 0) ? temp : (temp + 256);
 258
 259         temp = HRE - ((E + F + 3) & 63);
 260         C = (temp > 0) ? temp : (temp + 64);
 261
 262         D = B - F - C;
 263
 264         *left_margin = D * 8;
 265         *right_margin = F * 8;
 266         *hsync_len = C * 8;
 267
 268         sr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[14];
 269
 270         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[8];
 271
 272         cr_data2 = XGI_Pr->XGINEWUB_CRT1Table[index].CR[9];
 273
 274         /* Vertical total */
 275         VT = (cr_data & 0xFF) | ((unsigned short) (cr_data2 & 0x01) << 8)
 276                         | ((unsigned short) (cr_data2 & 0x20) << 4)
 277                         | ((unsigned short) (sr_data & 0x01) << 10);
 278         A = VT + 2;
 279
 280         /* cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[10]; */
 281
 282         /* Vertical display enable end */
 283         /*
 284         VDE = (cr_data & 0xff) |
 285                 ((unsigned short) (cr_data2 & 0x02) << 7) |
 286                 ((unsigned short) (cr_data2 & 0x40) << 3) |
 287                 ((unsigned short) (sr_data & 0x02) << 9);
 288         */
 289         VDE = XGI_Pr->RefIndex[RefreshRateTableIndex].YRes - 1;
 290         E = VDE + 1;
 291
 292         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[10];
 293
 294         /* Vertical retrace (=sync) start */
 295         VRS = (cr_data & 0xff) | ((unsigned short) (cr_data2 & 0x04) << 6)
 296                         | ((unsigned short) (cr_data2 & 0x80) << 2)
 297                         | ((unsigned short) (sr_data & 0x08) << 7);
 298         F = VRS + 1 - E;
 299
 300         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[12];
 301
 302         cr_data3 = (XGI_Pr->XGINEWUB_CRT1Table[index].CR[14] & 0x80) << 5;
 303
 304         /* Vertical blank start */
 305         VBS = (cr_data & 0xff) | ((unsigned short) (cr_data2 & 0x08) << 5)
 306                         | ((unsigned short) (cr_data3 & 0x20) << 4)
 307                         | ((unsigned short) (sr_data & 0x04) << 8);
 308
 309         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[13];
 310
 311         /* Vertical blank end */
 312         VBE = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x10) << 4);
 313         temp = VBE - ((E - 1) & 511);
 314         B = (temp > 0) ? temp : (temp + 512);
 315
 316         cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[11];
 317
 318         /* Vertical retrace (=sync) end */
 319         VRE = (cr_data & 0x0f) | ((sr_data & 0x20) >> 1);
 320         temp = VRE - ((E + F - 1) & 31);
 321         C = (temp > 0) ? temp : (temp + 32);
 322
 323         D = B - F - C;
 324
 325         *upper_margin = D;
 326         *lower_margin = F;
 327         *vsync_len = C;
 328
 329         if (XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x8000)
 330                 *sync &= ~FB_SYNC_VERT_HIGH_ACT;
 331         else
 332                 *sync |= FB_SYNC_VERT_HIGH_ACT;
 333
 334         if (XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x4000)
 335                 *sync &= ~FB_SYNC_HOR_HIGH_ACT;
 336         else
 337                 *sync |= FB_SYNC_HOR_HIGH_ACT;
 338
 339         *vmode = FB_VMODE_NONINTERLACED;
 340         if (XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x0080)
 341                 *vmode = FB_VMODE_INTERLACED;
 342         else {
 343                 j = 0;
 344                 while (XGI_Pr->EModeIDTable[j].Ext_ModeID != 0xff) {
 345                         if (XGI_Pr->EModeIDTable[j].Ext_ModeID ==
 346                             XGI_Pr->RefIndex[RefreshRateTableIndex].ModeID) {
 347                                 if (XGI_Pr->EModeIDTable[j].Ext_ModeFlag &
 348                                     DoubleScanMode) {
 349                                         *vmode = FB_VMODE_DOUBLE;
 350                                 }
 351                                 break;
 352                         }
 353                         j++;
 354                 }
 355         }
 356
 357         return 1;
 358 }
 359
 360 static void XGIRegInit(struct vb_device_info *XGI_Pr, unsigned long BaseAddr)
 361 {
 362         XGI_Pr->RelIO = BaseAddr;
 363         XGI_Pr->P3c4 = BaseAddr + 0x14;
 364         XGI_Pr->P3d4 = BaseAddr + 0x24;
 365         XGI_Pr->P3c0 = BaseAddr + 0x10;
 366         XGI_Pr->P3ce = BaseAddr + 0x1e;
 367         XGI_Pr->P3c2 = BaseAddr + 0x12;
 368         XGI_Pr->P3ca = BaseAddr + 0x1a;
 369         XGI_Pr->P3c6 = BaseAddr + 0x16;
 370         XGI_Pr->P3c7 = BaseAddr + 0x17;
 371         XGI_Pr->P3c8 = BaseAddr + 0x18;
 372         XGI_Pr->P3c9 = BaseAddr + 0x19;
 373         XGI_Pr->P3da = BaseAddr + 0x2A;
 374         /* Digital video interface registers (LCD) */
 375         XGI_Pr->Part1Port = BaseAddr + XGI_CRT2_PORT_04;
 376         /* 301 TV Encoder registers */
 377         XGI_Pr->Part2Port = BaseAddr + XGI_CRT2_PORT_10;
 378         /* 301 Macrovision registers */
 379         XGI_Pr->Part3Port = BaseAddr + XGI_CRT2_PORT_12;
 380         /* 301 VGA2 (and LCD) registers */
 381         XGI_Pr->Part4Port = BaseAddr + XGI_CRT2_PORT_14;
 382         /* 301 palette address port registers */
 383         XGI_Pr->Part5Port = BaseAddr + XGI_CRT2_PORT_14 + 2;
 384
 385 }
 386
 387 /* ------------ Interface for init & mode switching code ------------- */
 388
 389 static unsigned char XGIfb_query_VGA_config_space(
 390                 struct xgi_hw_device_info *pXGIhw_ext, unsigned long offset,
 391                 unsigned long set, unsigned long *value)
 392 {
 393         static struct pci_dev *pdev;
 394         static unsigned char init, valid_pdev;
 395
 396         if (!set)
 397                 DPRINTK("XGIfb: Get VGA offset 0x%lx\n", offset);
 398         else
 399                 DPRINTK("XGIfb: Set offset 0x%lx to 0x%lx\n", offset, *value);
 400
 401         if (!init) {
 402                 init = 1;
 403                 pdev = pci_get_device(PCI_VENDOR_ID_XG, xgi_video_info.chip_id,
 404                                 pdev);
 405                 if (pdev) {
 406                         valid_pdev = 1;
 407                         pci_dev_put(pdev);
 408                 }
 409         }
 410
 411         if (!valid_pdev) {
 412                 printk(KERN_DEBUG "XGIfb: Can't find XGI %d VGA device.\n",
 413                                 xgi_video_info.chip_id);
 414                 return 0;
 415         }
 416
 417         if (set == 0)
 418                 pci_read_config_dword(pdev, offset, (u32 *) value);
 419         else
 420                 pci_write_config_dword(pdev, offset, (u32)(*value));
 421
 422         return 1;
 423 }
 424
 425 /* ------------------ Internal helper routines ----------------- */
 426
 427 static int XGIfb_GetXG21DefaultLVDSModeIdx(void)
 428 {
 429
 430         int found_mode = 0;
 431         int XGIfb_mode_idx = 0;
 432
 433         found_mode = 0;
 434         while ((XGIbios_mode[XGIfb_mode_idx].mode_no != 0)
 435                         && (XGIbios_mode[XGIfb_mode_idx].xres
 436                                         <= XGI21_LCDCapList[0].LVDSHDE)) {
 437                 if ((XGIbios_mode[XGIfb_mode_idx].xres
 438                                 == XGI21_LCDCapList[0].LVDSHDE)
 439                                 && (XGIbios_mode[XGIfb_mode_idx].yres
 440                                                 == XGI21_LCDCapList[0].LVDSVDE)
 441                                 && (XGIbios_mode[XGIfb_mode_idx].bpp == 8)) {
 442                         XGIfb_mode_no = XGIbios_mode[XGIfb_mode_idx].mode_no;
 443                         found_mode = 1;
 444                         break;
 445                 }
 446                 XGIfb_mode_idx++;
 447         }
 448         if (!found_mode)
 449                 XGIfb_mode_idx = 0;
 450
 451         return XGIfb_mode_idx;
 452 }
 453
 454 static void XGIfb_search_mode(const char *name)
 455 {
 456         int i = 0, j = 0, l;
 457
 458         if (name == NULL) {
 459                 printk(KERN_ERR "XGIfb: Internal error, using default mode.\n");
 460                 xgifb_mode_idx = DEFAULT_MODE;
 461                 if ((xgi_video_info.chip == XG21)
 462                                 && ((xgi_video_info.disp_state & DISPTYPE_DISP2)
 463                                                 == DISPTYPE_LCD)) {
 464                         xgifb_mode_idx = XGIfb_GetXG21DefaultLVDSModeIdx();
 465                 }
 466                 return;
 467         }
 468
 469         if (!strcmp(name, XGIbios_mode[MODE_INDEX_NONE].name)) {
 470                 printk(KERN_ERR "XGIfb: Mode 'none' not supported anymore. Using default.\n");
 471                 xgifb_mode_idx = DEFAULT_MODE;
 472                 if ((xgi_video_info.chip == XG21)
 473                                 && ((xgi_video_info.disp_state & DISPTYPE_DISP2)
 474                                                 == DISPTYPE_LCD)) {
 475                         xgifb_mode_idx = XGIfb_GetXG21DefaultLVDSModeIdx();
 476                 }
 477                 return;
 478         }
 479
 480         while (XGIbios_mode[i].mode_no != 0) {
 481                 l = min(strlen(name), strlen(XGIbios_mode[i].name));
 482                 if (!strncmp(name, XGIbios_mode[i].name, l)) {
 483                         xgifb_mode_idx = i;
 484                         j = 1;
 485                         break;
 486                 }
 487                 i++;
 488         }
 489         if (!j)
 490                 printk(KERN_INFO "XGIfb: Invalid mode '%s'\n", name);
 491 }
 492
 493 static void XGIfb_search_vesamode(unsigned int vesamode)
 494 {
 495         int i = 0, j = 0;
 496
 497         if (vesamode == 0) {
 498
 499                 printk(KERN_ERR "XGIfb: Mode 'none' not supported anymore. Using default.\n");
 500                 xgifb_mode_idx = DEFAULT_MODE;
 501                 if ((xgi_video_info.chip == XG21)
 502                                 && ((xgi_video_info.disp_state & DISPTYPE_DISP2)
 503                                                 == DISPTYPE_LCD)) {
 504                         xgifb_mode_idx = XGIfb_GetXG21DefaultLVDSModeIdx();
 505                 }
 506                 return;
 507         }
 508
 509         vesamode &= 0x1dff; /* Clean VESA mode number from other flags */
 510
 511         while (XGIbios_mode[i].mode_no != 0) {
 512                 if ((XGIbios_mode[i].vesa_mode_no_1 == vesamode) ||
 513                     (XGIbios_mode[i].vesa_mode_no_2 == vesamode)) {
 514                         xgifb_mode_idx = i;
 515                         j = 1;
 516                         break;
 517                 }
 518                 i++;
 519         }
 520         if (!j)
 521                 printk(KERN_INFO "XGIfb: Invalid VESA mode 0x%x'\n", vesamode);
 522 }
 523
 524 static int XGIfb_GetXG21LVDSData(void)
 525 {
 526         u8 tmp;
 527         unsigned char *pData;
 528         int i, j, k;
 529
 530         tmp = xgifb_reg_get(XGISR, 0x1e);
 531         xgifb_reg_set(XGISR, 0x1e, tmp | 4);
 532
 533         pData = xgi_video_info.mmio_vbase + 0x20000;
 534         if ((pData[0x0] == 0x55) &&
 535             (pData[0x1] == 0xAA) &&
 536             (pData[0x65] & 0x1)) {
 537                 i = pData[0x316] | (pData[0x317] << 8);
 538                 j = pData[i - 1];
 539                 if (j == 0xff)
 540                         j = 1;
 541
 542                 k = 0;
 543                 do {
 544                         XGI21_LCDCapList[k].LVDS_Capability = pData[i]
 545                                         | (pData[i + 1] << 8);
 546                         XGI21_LCDCapList[k].LVDSHT = pData[i + 2] | (pData[i
 547                                         + 3] << 8);
 548                         XGI21_LCDCapList[k].LVDSVT = pData[i + 4] | (pData[i
 549                                         + 5] << 8);
 550                         XGI21_LCDCapList[k].LVDSHDE = pData[i + 6] | (pData[i
 551                                         + 7] << 8);
 552                         XGI21_LCDCapList[k].LVDSVDE = pData[i + 8] | (pData[i
 553                                         + 9] << 8);
 554                         XGI21_LCDCapList[k].LVDSHFP = pData[i + 10] | (pData[i
 555                                         + 11] << 8);
 556                         XGI21_LCDCapList[k].LVDSVFP = pData[i + 12] | (pData[i
 557                                         + 13] << 8);
 558                         XGI21_LCDCapList[k].LVDSHSYNC = pData[i + 14]
 559                                         | (pData[i + 15] << 8);
 560                         XGI21_LCDCapList[k].LVDSVSYNC = pData[i + 16]
 561                                         | (pData[i + 17] << 8);
 562                         XGI21_LCDCapList[k].VCLKData1 = pData[i + 18];
 563                         XGI21_LCDCapList[k].VCLKData2 = pData[i + 19];
 564                         XGI21_LCDCapList[k].PSC_S1 = pData[i + 20];
 565                         XGI21_LCDCapList[k].PSC_S2 = pData[i + 21];
 566                         XGI21_LCDCapList[k].PSC_S3 = pData[i + 22];
 567                         XGI21_LCDCapList[k].PSC_S4 = pData[i + 23];
 568                         XGI21_LCDCapList[k].PSC_S5 = pData[i + 24];
 569                         i += 25;
 570                         j--;
 571                         k++;
 572                 } while ((j > 0) && (k < (sizeof(XGI21_LCDCapList)
 573                                 / sizeof(struct XGI21_LVDSCapStruct))));
 574                 return 1;
 575         }
 576         return 0;
 577 }
 578
 579 static int XGIfb_validate_mode(int myindex)
 580 {
 581         u16 xres, yres;
 582
 583         if (xgi_video_info.chip == XG21) {
 584                 if ((xgi_video_info.disp_state & DISPTYPE_DISP2)
 585                                 == DISPTYPE_LCD) {
 586                         xres = XGI21_LCDCapList[0].LVDSHDE;
 587                         yres = XGI21_LCDCapList[0].LVDSVDE;
 588                         if (XGIbios_mode[myindex].xres > xres)
 589                                 return -1;
 590                         if (XGIbios_mode[myindex].yres > yres)
 591                                 return -1;
 592                         if ((XGIbios_mode[myindex].xres < xres) &&
 593                             (XGIbios_mode[myindex].yres < yres)) {
 594                                 if (XGIbios_mode[myindex].bpp > 8)
 595                                         return -1;
 596                         }
 597
 598                 }
 599                 return myindex;
 600
 601         }
 602
 603         /* FIXME: for now, all is valid on XG27 */
 604         if (xgi_video_info.chip == XG27)
 605                 return myindex;
 606
 607         if (!(XGIbios_mode[myindex].chipset & MD_XGI315))
 608                 return -1;
 609
 610         switch (xgi_video_info.disp_state & DISPTYPE_DISP2) {
 611         case DISPTYPE_LCD:
 612                 switch (XGIhw_ext.ulCRT2LCDType) {
 613                 case LCD_640x480:
 614                         xres = 640;
 615                         yres = 480;
 616                         break;
 617                 case LCD_800x600:
 618                         xres = 800;
 619                         yres = 600;
 620                         break;
 621                 case LCD_1024x600:
 622                         xres = 1024;
 623                         yres = 600;
 624                         break;
 625                 case LCD_1024x768:
 626                         xres = 1024;
 627                         yres = 768;
 628                         break;
 629                 case LCD_1152x768:
 630                         xres = 1152;
 631                         yres = 768;
 632                         break;
 633                 case LCD_1280x960:
 634                         xres = 1280;
 635                         yres = 960;
 636                         break;
 637                 case LCD_1280x768:
 638                         xres = 1280;
 639                         yres = 768;
 640                         break;
 641                 case LCD_1280x1024:
 642                         xres = 1280;
 643                         yres = 1024;
 644                         break;
 645                 case LCD_1400x1050:
 646                         xres = 1400;
 647                         yres = 1050;
 648                         break;
 649                 case LCD_1600x1200:
 650                         xres = 1600;
 651                         yres = 1200;
 652                         break;
 653                 /* case LCD_320x480: */ /* TW: FSTN */
 654                         /*
 655                         xres =  320;
 656                         yres =  480;
 657                         break;
 658                         */
 659                 default:
 660                         xres = 0;
 661                         yres = 0;
 662                         break;
 663                 }
 664                 if (XGIbios_mode[myindex].xres > xres)
 665                         return -1;
 666                 if (XGIbios_mode[myindex].yres > yres)
 667                         return -1;
 668                 if ((XGIhw_ext.ulExternalChip == 0x01) || /* LVDS */
 669                     (XGIhw_ext.ulExternalChip == 0x05)) { /* LVDS+Chrontel */
 670                         switch (XGIbios_mode[myindex].xres) {
 671                         case 512:
 672                                 if (XGIbios_mode[myindex].yres != 512)
 673                                         return -1;
 674                                 if (XGIhw_ext.ulCRT2LCDType == LCD_1024x600)
 675                                         return -1;
 676                                 break;
 677                         case 640:
 678                                 if ((XGIbios_mode[myindex].yres != 400)
 679                                                 && (XGIbios_mode[myindex].yres
 680                                                                 != 480))
 681                                         return -1;
 682                                 break;
 683                         case 800:
 684                                 if (XGIbios_mode[myindex].yres != 600)
 685                                         return -1;
 686                                 break;
 687                         case 1024:
 688                                 if ((XGIbios_mode[myindex].yres != 600) &&
 689                                     (XGIbios_mode[myindex].yres != 768))
 690                                         return -1;
 691                                 if ((XGIbios_mode[myindex].yres == 600) &&
 692                                     (XGIhw_ext.ulCRT2LCDType != LCD_1024x600))
 693                                         return -1;
 694                                 break;
 695                         case 1152:
 696                                 if ((XGIbios_mode[myindex].yres) != 768)
 697                                         return -1;
 698                                 if (XGIhw_ext.ulCRT2LCDType != LCD_1152x768)
 699                                         return -1;
 700                                 break;
 701                         case 1280:
 702                                 if ((XGIbios_mode[myindex].yres != 768) &&
 703                                     (XGIbios_mode[myindex].yres != 1024))
 704                                         return -1;
 705                                 if ((XGIbios_mode[myindex].yres == 768) &&
 706                                     (XGIhw_ext.ulCRT2LCDType != LCD_1280x768))
 707                                         return -1;
 708                                 break;
 709                         case 1400:
 710                                 if (XGIbios_mode[myindex].yres != 1050)
 711                                         return -1;
 712                                 break;
 713                         case 1600:
 714                                 if (XGIbios_mode[myindex].yres != 1200)
 715                                         return -1;
 716                                 break;
 717                         default:
 718                                 return -1;
 719                         }
 720                 } else {
 721                         switch (XGIbios_mode[myindex].xres) {
 722                         case 512:
 723                                 if (XGIbios_mode[myindex].yres != 512)
 724                                         return -1;
 725                                 break;
 726                         case 640:
 727                                 if ((XGIbios_mode[myindex].yres != 400) &&
 728                                     (XGIbios_mode[myindex].yres != 480))
 729                                         return -1;
 730                                 break;
 731                         case 800:
 732                                 if (XGIbios_mode[myindex].yres != 600)
 733                                         return -1;
 734                                 break;
 735                         case 1024:
 736                                 if (XGIbios_mode[myindex].yres != 768)
 737                                         return -1;
 738                                 break;
 739                         case 1280:
 740                                 if ((XGIbios_mode[myindex].yres != 960) &&
 741                                     (XGIbios_mode[myindex].yres != 1024))
 742                                         return -1;
 743                                 if (XGIbios_mode[myindex].yres == 960) {
 744                                         if (XGIhw_ext.ulCRT2LCDType ==
 745                                             LCD_1400x1050)
 746                                                 return -1;
 747                                 }
 748                                 break;
 749                         case 1400:
 750                                 if (XGIbios_mode[myindex].yres != 1050)
 751                                         return -1;
 752                                 break;
 753                         case 1600:
 754                                 if (XGIbios_mode[myindex].yres != 1200)
 755                                         return -1;
 756                                 break;
 757                         default:
 758                                 return -1;
 759                         }
 760                 }
 761                 break;
 762         case DISPTYPE_TV:
 763                 switch (XGIbios_mode[myindex].xres) {
 764                 case 512:
 765                 case 640:
 766                 case 800:
 767                         break;
 768                 case 720:
 769                         if (xgi_video_info.TV_type == TVMODE_NTSC) {
 770                                 if (XGIbios_mode[myindex].yres != 480)
 771                                         return -1;
 772                         } else if (xgi_video_info.TV_type == TVMODE_PAL) {
 773                                 if (XGIbios_mode[myindex].yres != 576)
 774                                         return -1;
 775                         }
 776                         /*  TW: LVDS/CHRONTEL does not support 720 */
 777                         if (xgi_video_info.hasVB == HASVB_LVDS_CHRONTEL ||
 778                             xgi_video_info.hasVB == HASVB_CHRONTEL) {
 779                                 return -1;
 780                         }
 781                         break;
 782                 case 1024:
 783                         if (xgi_video_info.TV_type == TVMODE_NTSC) {
 784                                 if (XGIbios_mode[myindex].bpp == 32)
 785                                         return -1;
 786                         }
 787                         break;
 788                 default:
 789                         return -1;
 790                 }
 791                 break;
 792         case DISPTYPE_CRT2:
 793                 if (XGIbios_mode[myindex].xres > 1280)
 794                         return -1;
 795                 break;
 796         }
 797         return myindex;
 798
 799 }
 800
 801 static void XGIfb_search_crt2type(const char *name)
 802 {
 803         int i = 0;
 804
 805         if (name == NULL)
 806                 return;
 807
 808         while (XGI_crt2type[i].type_no != -1) {
 809                 if (!strcmp(name, XGI_crt2type[i].name)) {
 810                         XGIfb_crt2type = XGI_crt2type[i].type_no;
 811                         XGIfb_tvplug = XGI_crt2type[i].tvplug_no;
 812                         break;
 813                 }
 814                 i++;
 815         }
 816         if (XGIfb_crt2type < 0)
 817                 printk(KERN_INFO "XGIfb: Invalid CRT2 type: %s\n", name);
 818 }
 819
 820 static u8 XGIfb_search_refresh_rate(unsigned int rate)
 821 {
 822         u16 xres, yres;
 823         int i = 0;
 824
 825         xres = XGIbios_mode[xgifb_mode_idx].xres;
 826         yres = XGIbios_mode[xgifb_mode_idx].yres;
 827
 828         XGIfb_rate_idx = 0;
 829         while ((XGIfb_vrate[i].idx != 0) && (XGIfb_vrate[i].xres <= xres)) {
 830                 if ((XGIfb_vrate[i].xres == xres) &&
 831                     (XGIfb_vrate[i].yres == yres)) {
 832                         if (XGIfb_vrate[i].refresh == rate) {
 833                                 XGIfb_rate_idx = XGIfb_vrate[i].idx;
 834                                 break;
 835                         } else if (XGIfb_vrate[i].refresh > rate) {
 836                                 if ((XGIfb_vrate[i].refresh - rate) <= 3) {
 837                                         DPRINTK("XGIfb: Adjusting rate from %d up to %d\n",
 838                                                 rate, XGIfb_vrate[i].refresh);
 839                                         XGIfb_rate_idx = XGIfb_vrate[i].idx;
 840                                         xgi_video_info.refresh_rate =
 841                                                 XGIfb_vrate[i].refresh;
 842                                 } else if (((rate - XGIfb_vrate[i - 1].refresh)
 843                                                 <= 2) && (XGIfb_vrate[i].idx
 844                                                 != 1)) {
 845                                         DPRINTK("XGIfb: Adjusting rate from %d down to %d\n",
 846                                                 rate, XGIfb_vrate[i-1].refresh);
 847                                         XGIfb_rate_idx = XGIfb_vrate[i - 1].idx;
 848                                         xgi_video_info.refresh_rate =
 849                                                 XGIfb_vrate[i - 1].refresh;
 850                                 }
 851                                 break;
 852                         } else if ((rate - XGIfb_vrate[i].refresh) <= 2) {
 853                                 DPRINTK("XGIfb: Adjusting rate from %d down to %d\n",
 854                                         rate, XGIfb_vrate[i].refresh);
 855                                 XGIfb_rate_idx = XGIfb_vrate[i].idx;
 856                                 break;
 857                         }
 858                 }
 859                 i++;
 860         }
 861         if (XGIfb_rate_idx > 0) {
 862                 return XGIfb_rate_idx;
 863         } else {
 864                 printk(KERN_INFO "XGIfb: Unsupported rate %d for %dx%d\n",
 865                        rate, xres, yres);
 866                 return 0;
 867         }
 868 }
 869
 870 static void XGIfb_search_tvstd(const char *name)
 871 {
 872         int i = 0;
 873
 874         if (name == NULL)
 875                 return;
 876
 877         while (XGI_tvtype[i].type_no != -1) {
 878                 if (!strcmp(name, XGI_tvtype[i].name)) {
 879                         XGIfb_tvmode = XGI_tvtype[i].type_no;
 880                         break;
 881                 }
 882                 i++;
 883         }
 884 }
 885
 886 /* ----------- FBDev related routines for all series ----------- */
 887
 888 static void XGIfb_bpp_to_var(struct fb_var_screeninfo *var)
 889 {
 890         switch (var->bits_per_pixel) {
 891         case 8:
 892                 var->red.offset = var->green.offset = var->blue.offset = 0;
 893                 var->red.length = var->green.length = var->blue.length = 6;
 894                 xgi_video_info.video_cmap_len = 256;
 895                 break;
 896         case 16:
 897                 var->red.offset = 11;
 898                 var->red.length = 5;
 899                 var->green.offset = 5;
 900                 var->green.length = 6;
 901                 var->blue.offset = 0;
 902                 var->blue.length = 5;
 903                 var->transp.offset = 0;
 904                 var->transp.length = 0;
 905                 xgi_video_info.video_cmap_len = 16;
 906                 break;
 907         case 32:
 908                 var->red.offset = 16;
 909                 var->red.length = 8;
 910                 var->green.offset = 8;
 911                 var->green.length = 8;
 912                 var->blue.offset = 0;
 913                 var->blue.length = 8;
 914                 var->transp.offset = 24;
 915                 var->transp.length = 8;
 916                 xgi_video_info.video_cmap_len = 16;
 917                 break;
 918         }
 919 }
 920
 921 /* --------------------- SetMode routines ------------------------- */
 922
 923 static void XGIfb_pre_setmode(void)
 924 {
 925         u8 cr30 = 0, cr31 = 0;
 926
 927         cr31 = xgifb_reg_get(XGICR, 0x31);
 928         cr31 &= ~0x60;
 929
 930         switch (xgi_video_info.disp_state & DISPTYPE_DISP2) {
 931         case DISPTYPE_CRT2:
 932                 cr30 = (XGI_VB_OUTPUT_CRT2 | XGI_SIMULTANEOUS_VIEW_ENABLE);
 933                 cr31 |= XGI_DRIVER_MODE;
 934                 break;
 935         case DISPTYPE_LCD:
 936                 cr30 = (XGI_VB_OUTPUT_LCD | XGI_SIMULTANEOUS_VIEW_ENABLE);
 937                 cr31 |= XGI_DRIVER_MODE;
 938                 break;
 939         case DISPTYPE_TV:
 940                 if (xgi_video_info.TV_type == TVMODE_HIVISION)
 941                         cr30 = (XGI_VB_OUTPUT_HIVISION
 942                                         | XGI_SIMULTANEOUS_VIEW_ENABLE);
 943                 else if (xgi_video_info.TV_plug == TVPLUG_SVIDEO)
 944                         cr30 = (XGI_VB_OUTPUT_SVIDEO
 945                                         | XGI_SIMULTANEOUS_VIEW_ENABLE);
 946                 else if (xgi_video_info.TV_plug == TVPLUG_COMPOSITE)
 947                         cr30 = (XGI_VB_OUTPUT_COMPOSITE
 948                                         | XGI_SIMULTANEOUS_VIEW_ENABLE);
 949                 else if (xgi_video_info.TV_plug == TVPLUG_SCART)
 950                         cr30 = (XGI_VB_OUTPUT_SCART
 951                                         | XGI_SIMULTANEOUS_VIEW_ENABLE);
 952                 cr31 |= XGI_DRIVER_MODE;
 953
 954                 if (XGIfb_tvmode == 1 || xgi_video_info.TV_type == TVMODE_PAL)
 955                         cr31 |= 0x01;
 956                 else
 957                         cr31 &= ~0x01;
 958                 break;
 959         default: /* disable CRT2 */
 960                 cr30 = 0x00;
 961                 cr31 |= (XGI_DRIVER_MODE | XGI_VB_OUTPUT_DISABLE);
 962         }
 963
 964         xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR30, cr30);
 965         xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR31, cr31);
 966         xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR33, (XGIfb_rate_idx & 0x0F));
 967 }
 968
 969 static void XGIfb_post_setmode(void)
 970 {
 971         u8 reg;
 972         unsigned char doit = 1;
 973         /*
 974         xgifb_reg_set(XGISR,IND_XGI_PASSWORD,XGI_PASSWORD);
 975         xgifb_reg_set(XGICR, 0x13, 0x00);
 976         xgifb_reg_and_or(XGISR,0x0E, 0xF0, 0x01);
 977         *test*
 978         */
 979         if (xgi_video_info.video_bpp == 8) {
 980                 /* TW: We can't switch off CRT1 on LVDS/Chrontel
 981                  * in 8bpp Modes */
 982                 if ((xgi_video_info.hasVB == HASVB_LVDS) ||
 983                     (xgi_video_info.hasVB == HASVB_LVDS_CHRONTEL)) {
 984                         doit = 0;
 985                 }
 986                 /* TW: We can't switch off CRT1 on 301B-DH
 987                  * in 8bpp Modes if using LCD */
 988                 if (xgi_video_info.disp_state & DISPTYPE_LCD)
 989                         doit = 0;
 990         }
 991
 992         /* TW: We can't switch off CRT1 if bridge is in slave mode */
 993         if (xgi_video_info.hasVB != HASVB_NONE) {
 994                 reg = xgifb_reg_get(XGIPART1, 0x00);
 995
 996                 if ((reg & 0x50) == 0x10)
 997                         doit = 0;
 998
 999         } else {
1000                 XGIfb_crt1off = 0;
1001         }
1002
1003         reg = xgifb_reg_get(XGICR, 0x17);
1004         if ((XGIfb_crt1off) && (doit))
1005                 reg &= ~0x80;
1006         else
1007                 reg |= 0x80;
1008         xgifb_reg_set(XGICR, 0x17, reg);
1009
1010         xgifb_reg_and(XGISR, IND_XGI_RAMDAC_CONTROL, ~0x04);
1011
1012         if ((xgi_video_info.disp_state & DISPTYPE_TV) && (xgi_video_info.hasVB
1013                         == HASVB_301)) {
1014
1015                 reg = xgifb_reg_get(XGIPART4, 0x01);
1016
1017                 if (reg < 0xB0) { /* Set filter for XGI301 */
1018                         switch (xgi_video_info.video_width) {
1019                         case 320:
1020                                 filter_tb = (xgi_video_info.TV_type ==
1021                                              TVMODE_NTSC) ? 4 : 12;
1022                                 break;
1023                         case 640:
1024                                 filter_tb = (xgi_video_info.TV_type ==
1025                                              TVMODE_NTSC) ? 5 : 13;
1026                                 break;
1027                         case 720:
1028                                 filter_tb = (xgi_video_info.TV_type ==
1029                                              TVMODE_NTSC) ? 6 : 14;
1030                                 break;
1031                         case 800:
1032                                 filter_tb = (xgi_video_info.TV_type ==
1033                                              TVMODE_NTSC) ? 7 : 15;
1034                                 break;
1035                         default:
1036                                 filter = -1;
1037                                 break;
1038                         }
1039                         xgifb_reg_or(XGIPART1, XGIfb_CRT2_write_enable, 0x01);
1040
1041                         if (xgi_video_info.TV_type == TVMODE_NTSC) {
1042
1043                                 xgifb_reg_and(XGIPART2, 0x3a, 0x1f);
1044
1045                                 if (xgi_video_info.TV_plug == TVPLUG_SVIDEO) {
1046
1047                                         xgifb_reg_and(XGIPART2, 0x30, 0xdf);
1048
1049                                 } else if (xgi_video_info.TV_plug
1050                                                 == TVPLUG_COMPOSITE) {
1051
1052                                         xgifb_reg_or(XGIPART2, 0x30, 0x20);
1053
1054                                         switch (xgi_video_info.video_width) {
1055                                         case 640:
1056                                                 xgifb_reg_set(XGIPART2,
1057                                                               0x35,
1058                                                               0xEB);
1059                                                 xgifb_reg_set(XGIPART2,
1060                                                               0x36,
1061                                                               0x04);
1062                                                 xgifb_reg_set(XGIPART2,
1063                                                               0x37,
1064                                                               0x25);
1065                                                 xgifb_reg_set(XGIPART2,
1066                                                               0x38,
1067                                                               0x18);
1068                                                 break;
1069                                         case 720:
1070                                                 xgifb_reg_set(XGIPART2,
1071                                                               0x35,
1072                                                               0xEE);
1073                                                 xgifb_reg_set(XGIPART2,
1074                                                               0x36,
1075                                                               0x0C);
1076                                                 xgifb_reg_set(XGIPART2,
1077                                                               0x37,
1078                                                               0x22);
1079                                                 xgifb_reg_set(XGIPART2,
1080                                                               0x38,
1081                                                               0x08);
1082                                                 break;
1083                                         case 800:
1084                                                 xgifb_reg_set(XGIPART2,
1085                                                               0x35,
1086                                                               0xEB);
1087                                                 xgifb_reg_set(XGIPART2,
1088                                                               0x36,
1089                                                               0x15);
1090                                                 xgifb_reg_set(XGIPART2,
1091                                                               0x37,
1092                                                               0x25);
1093                                                 xgifb_reg_set(XGIPART2,
1094                                                               0x38,
1095                                                               0xF6);
1096                                                 break;
1097                                         }
1098                                 }
1099
1100                         } else if (xgi_video_info.TV_type == TVMODE_PAL) {
1101
1102                                 xgifb_reg_and(XGIPART2, 0x3A, 0x1F);
1103
1104                                 if (xgi_video_info.TV_plug == TVPLUG_SVIDEO) {
1105
1106                                         xgifb_reg_and(XGIPART2, 0x30, 0xDF);
1107
1108                                 } else if (xgi_video_info.TV_plug
1109                                                 == TVPLUG_COMPOSITE) {
1110
1111                                         xgifb_reg_or(XGIPART2, 0x30, 0x20);
1112
1113                                         switch (xgi_video_info.video_width) {
1114                                         case 640:
1115                                                 xgifb_reg_set(XGIPART2,
1116                                                               0x35,
1117                                                               0xF1);
1118                                                 xgifb_reg_set(XGIPART2,
1119                                                               0x36,
1120                                                               0xF7);
1121                                                 xgifb_reg_set(XGIPART2,
1122                                                               0x37,
1123                                                               0x1F);
1124                                                 xgifb_reg_set(XGIPART2,
1125                                                               0x38,
1126                                                               0x32);
1127                                                 break;
1128                                         case 720:
1129                                                 xgifb_reg_set(XGIPART2,
1130                                                               0x35,
1131                                                               0xF3);
1132                                                 xgifb_reg_set(XGIPART2,
1133                                                               0x36,
1134                                                               0x00);
1135                                                 xgifb_reg_set(XGIPART2,
1136                                                               0x37,
1137                                                               0x1D);
1138                                                 xgifb_reg_set(XGIPART2,
1139                                                               0x38,
1140                                                               0x20);
1141                                                 break;
1142                                         case 800:
1143                                                 xgifb_reg_set(XGIPART2,
1144                                                               0x35,
1145                                                               0xFC);
1146                                                 xgifb_reg_set(XGIPART2,
1147                                                               0x36,
1148                                                               0xFB);
1149                                                 xgifb_reg_set(XGIPART2,
1150                                                               0x37,
1151                                                               0x14);
1152                                                 xgifb_reg_set(XGIPART2,
1153                                                               0x38,
1154                                                               0x2A);
1155                                                 break;
1156                                         }
1157                                 }
1158                         }
1159
1160                         if ((filter >= 0) && (filter <= 7)) {
1161                                 DPRINTK("FilterTable[%d]-%d: %02x %02x %02x %02x\n",
1162                                         filter_tb, filter,
1163                                         XGI_TV_filter[filter_tb].
1164                                                 filter[filter][0],
1165                                         XGI_TV_filter[filter_tb].
1166                                                 filter[filter][1],
1167                                         XGI_TV_filter[filter_tb].
1168                                                 filter[filter][2],
1169                                         XGI_TV_filter[filter_tb].
1170                                                 filter[filter][3]
1171                                 );
1172                                 xgifb_reg_set(
1173                                         XGIPART2,
1174                                         0x35,
1175                                         (XGI_TV_filter[filter_tb].
1176                                                 filter[filter][0]));
1177                                 xgifb_reg_set(
1178                                         XGIPART2,
1179                                         0x36,
1180                                         (XGI_TV_filter[filter_tb].
1181                                                 filter[filter][1]));
1182                                 xgifb_reg_set(
1183                                         XGIPART2,
1184                                         0x37,
1185                                         (XGI_TV_filter[filter_tb].
1186                                                 filter[filter][2]));
1187                                 xgifb_reg_set(
1188                                         XGIPART2,
1189                                         0x38,
1190                                         (XGI_TV_filter[filter_tb].
1191                                                 filter[filter][3]));
1192                         }
1193                 }
1194         }
1195 }
1196
1197 static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive,
1198                 struct fb_info *info)
1199 {
1200
1201         unsigned int htotal = var->left_margin + var->xres + var->right_margin
1202                         + var->hsync_len;
1203         unsigned int vtotal = var->upper_margin + var->yres + var->lower_margin
1204                         + var->vsync_len;
1205 #if defined(__powerpc__)
1206         u8 sr_data, cr_data;
1207 #endif
1208         unsigned int drate = 0, hrate = 0;
1209         int found_mode = 0;
1210         int old_mode;
1211         /* unsigned char reg, reg1; */
1212
1213         DEBUGPRN("Inside do_set_var");
1214         /* 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); */
1215
1216         info->var.xres_virtual = var->xres_virtual;
1217         info->var.yres_virtual = var->yres_virtual;
1218         info->var.bits_per_pixel = var->bits_per_pixel;
1219
1220         if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED)
1221                 vtotal <<= 1;
1222         else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE)
1223                 vtotal <<= 2;
1224         else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
1225                 /* vtotal <<= 1; */
1226                 /* var->yres <<= 1; */
1227         }
1228
1229         if (!htotal || !vtotal) {
1230                 DPRINTK("XGIfb: Invalid 'var' information\n");
1231                 return -EINVAL;
1232         } printk(KERN_DEBUG "XGIfb: var->pixclock=%d, htotal=%d, vtotal=%d\n",
1233                         var->pixclock, htotal, vtotal);
1234
1235         if (var->pixclock && htotal && vtotal) {
1236                 drate = 1000000000 / var->pixclock;
1237                 hrate = (drate * 1000) / htotal;
1238                 xgi_video_info.refresh_rate = (unsigned int) (hrate * 2
1239                                 / vtotal);
1240         } else {
1241                 xgi_video_info.refresh_rate = 60;
1242         }
1243
1244         printk(KERN_DEBUG "XGIfb: Change mode to %dx%dx%d-%dHz\n",
1245                var->xres,
1246                var->yres,
1247                var->bits_per_pixel,
1248                xgi_video_info.refresh_rate);
1249
1250         old_mode = xgifb_mode_idx;
1251         xgifb_mode_idx = 0;
1252
1253         while ((XGIbios_mode[xgifb_mode_idx].mode_no != 0)
1254                         && (XGIbios_mode[xgifb_mode_idx].xres <= var->xres)) {
1255                 if ((XGIbios_mode[xgifb_mode_idx].xres == var->xres)
1256                                 && (XGIbios_mode[xgifb_mode_idx].yres
1257                                                 == var->yres)
1258                                 && (XGIbios_mode[xgifb_mode_idx].bpp
1259                                                 == var->bits_per_pixel)) {
1260                         XGIfb_mode_no = XGIbios_mode[xgifb_mode_idx].mode_no;
1261                         found_mode = 1;
1262                         break;
1263                 }
1264                 xgifb_mode_idx++;
1265         }
1266
1267         if (found_mode)
1268                 xgifb_mode_idx = XGIfb_validate_mode(xgifb_mode_idx);
1269         else
1270                 xgifb_mode_idx = -1;
1271
1272         if (xgifb_mode_idx < 0) {
1273                 printk(KERN_ERR "XGIfb: Mode %dx%dx%d not supported\n",
1274                        var->xres, var->yres, var->bits_per_pixel);
1275                 xgifb_mode_idx = old_mode;
1276                 return -EINVAL;
1277         }
1278
1279         if (XGIfb_search_refresh_rate(xgi_video_info.refresh_rate) == 0) {
1280                 XGIfb_rate_idx = XGIbios_mode[xgifb_mode_idx].rate_idx;
1281                 xgi_video_info.refresh_rate = 60;
1282         }
1283
1284         if (isactive) {
1285
1286                 XGIfb_pre_setmode();
1287                 if (XGISetModeNew(&XGIhw_ext, XGIfb_mode_no) == 0) {
1288                         printk(KERN_ERR "XGIfb: Setting mode[0x%x] failed\n",
1289                                XGIfb_mode_no);
1290                         return -EINVAL;
1291                 }
1292                 info->fix.line_length = ((info->var.xres_virtual
1293                                 * info->var.bits_per_pixel) >> 6);
1294
1295                 xgifb_reg_set(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD);
1296
1297                 xgifb_reg_set(XGICR, 0x13, (info->fix.line_length & 0x00ff));
1298                 xgifb_reg_set(XGISR,
1299                               0x0E,
1300                               (info->fix.line_length & 0xff00) >> 8);
1301
1302                 XGIfb_post_setmode();
1303
1304                 DPRINTK("XGIfb: Set new mode: %dx%dx%d-%d\n",
1305                                 XGIbios_mode[xgifb_mode_idx].xres,
1306                                 XGIbios_mode[xgifb_mode_idx].yres,
1307                                 XGIbios_mode[xgifb_mode_idx].bpp,
1308                                 xgi_video_info.refresh_rate);
1309
1310                 xgi_video_info.video_bpp = XGIbios_mode[xgifb_mode_idx].bpp;
1311                 xgi_video_info.video_vwidth = info->var.xres_virtual;
1312                 xgi_video_info.video_width = XGIbios_mode[xgifb_mode_idx].xres;
1313                 xgi_video_info.video_vheight = info->var.yres_virtual;
1314                 xgi_video_info.video_height = XGIbios_mode[xgifb_mode_idx].yres;
1315                 xgi_video_info.org_x = xgi_video_info.org_y = 0;
1316                 xgi_video_info.video_linelength = info->var.xres_virtual
1317                                 * (xgi_video_info.video_bpp >> 3);
1318                 switch (xgi_video_info.video_bpp) {
1319                 case 8:
1320                         xgi_video_info.DstColor = 0x0000;
1321                         xgi_video_info.XGI310_AccelDepth = 0x00000000;
1322                         xgi_video_info.video_cmap_len = 256;
1323 #if defined(__powerpc__)
1324                         cr_data = xgifb_reg_get(XGICR, 0x4D);
1325                         xgifb_reg_set(XGICR, 0x4D, (cr_data & 0xE0));
1326 #endif
1327                         break;
1328                 case 16:
1329                         xgi_video_info.DstColor = 0x8000;
1330                         xgi_video_info.XGI310_AccelDepth = 0x00010000;
1331 #if defined(__powerpc__)
1332                         cr_data = xgifb_reg_get(XGICR, 0x4D);
1333                         xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x0B));
1334 #endif
1335                         xgi_video_info.video_cmap_len = 16;
1336                         break;
1337                 case 32:
1338                         xgi_video_info.DstColor = 0xC000;
1339                         xgi_video_info.XGI310_AccelDepth = 0x00020000;
1340                         xgi_video_info.video_cmap_len = 16;
1341 #if defined(__powerpc__)
1342                         cr_data = xgifb_reg_get(XGICR, 0x4D);
1343                         xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x15));
1344 #endif
1345                         break;
1346                 default:
1347                         xgi_video_info.video_cmap_len = 16;
1348                         printk(KERN_ERR "XGIfb: Unsupported depth %d",
1349                                xgi_video_info.video_bpp);
1350                         break;
1351                 }
1352         }
1353         XGIfb_bpp_to_var(var); /*update ARGB info*/
1354         DEBUGPRN("End of do_set_var");
1355
1356         dumpVGAReg();
1357         return 0;
1358 }
1359
1360 static int XGIfb_pan_var(struct fb_var_screeninfo *var)
1361 {
1362         unsigned int base;
1363
1364         /* printk("Inside pan_var"); */
1365
1366         if (var->xoffset > (var->xres_virtual - var->xres)) {
1367                 /* printk("Pan: xo: %d xv %d xr %d\n",
1368                         var->xoffset, var->xres_virtual, var->xres); */
1369                 return -EINVAL;
1370         }
1371         if (var->yoffset > (var->yres_virtual - var->yres)) {
1372                 /* printk("Pan: yo: %d yv %d yr %d\n",
1373                         var->yoffset, var->yres_virtual, var->yres); */
1374                 return -EINVAL;
1375         }
1376         base = var->yoffset * var->xres_virtual + var->xoffset;
1377
1378         /* calculate base bpp dep. */
1379         switch (var->bits_per_pixel) {
1380         case 16:
1381                 base >>= 1;
1382                 break;
1383         case 32:
1384                 break;
1385         case 8:
1386         default:
1387                 base >>= 2;
1388                 break;
1389         }
1390
1391         xgifb_reg_set(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD);
1392
1393         xgifb_reg_set(XGICR, 0x0D, base & 0xFF);
1394         xgifb_reg_set(XGICR, 0x0C, (base >> 8) & 0xFF);
1395         xgifb_reg_set(XGISR, 0x0D, (base >> 16) & 0xFF);
1396         xgifb_reg_set(XGISR, 0x37, (base >> 24) & 0x03);
1397         xgifb_reg_and_or(XGISR, 0x37, 0xDF, (base >> 21) & 0x04);
1398
1399         if (xgi_video_info.disp_state & DISPTYPE_DISP2) {
1400                 xgifb_reg_or(XGIPART1, XGIfb_CRT2_write_enable, 0x01);
1401                 xgifb_reg_set(XGIPART1, 0x06, (base & 0xFF));
1402                 xgifb_reg_set(XGIPART1, 0x05, ((base >> 8) & 0xFF));
1403                 xgifb_reg_set(XGIPART1, 0x04, ((base >> 16) & 0xFF));
1404                 xgifb_reg_and_or(XGIPART1,
1405                                  0x02,
1406                                  0x7F,
1407                                  ((base >> 24) & 0x01) << 7);
1408         }
1409         /* printk("End of pan_var"); */
1410         return 0;
1411 }
1412
1413 static int XGIfb_open(struct fb_info *info, int user)
1414 {
1415         return 0;
1416 }
1417
1418 static int XGIfb_release(struct fb_info *info, int user)
1419 {
1420         return 0;
1421 }
1422
1423 static int XGIfb_get_cmap_len(const struct fb_var_screeninfo *var)
1424 {
1425         int rc = 16;
1426
1427         switch (var->bits_per_pixel) {
1428         case 8:
1429                 rc = 256;
1430                 break;
1431         case 16:
1432                 rc = 16;
1433                 break;
1434         case 32:
1435                 rc = 16;
1436                 break;
1437         }
1438         return rc;
1439 }
1440
1441 static int XGIfb_setcolreg(unsigned regno, unsigned red, unsigned green,
1442                 unsigned blue, unsigned transp, struct fb_info *info)
1443 {
1444         if (regno >= XGIfb_get_cmap_len(&info->var))
1445                 return 1;
1446
1447         switch (info->var.bits_per_pixel) {
1448         case 8:
1449                 outb(regno, XGIDACA);
1450                 outb((red >> 10), XGIDACD);
1451                 outb((green >> 10), XGIDACD);
1452                 outb((blue >> 10), XGIDACD);
1453                 if (xgi_video_info.disp_state & DISPTYPE_DISP2) {
1454                         outb(regno, XGIDAC2A);
1455                         outb((red >> 8), XGIDAC2D);
1456                         outb((green >> 8), XGIDAC2D);
1457                         outb((blue >> 8), XGIDAC2D);
1458                 }
1459                 break;
1460         case 16:
1461                 ((u32 *) (info->pseudo_palette))[regno] = ((red & 0xf800))
1462                                 | ((green & 0xfc00) >> 5) | ((blue & 0xf800)
1463                                 >> 11);
1464                 break;
1465         case 32:
1466                 red >>= 8;
1467                 green >>= 8;
1468                 blue >>= 8;
1469                 ((u32 *) (info->pseudo_palette))[regno] = (red << 16) | (green
1470                                 << 8) | (blue);
1471                 break;
1472         }
1473         return 0;
1474 }
1475
1476 /* ----------- FBDev related routines for all series ---------- */
1477
1478 static int XGIfb_get_fix(struct fb_fix_screeninfo *fix, int con,
1479                 struct fb_info *info)
1480 {
1481         DEBUGPRN("inside get_fix");
1482         memset(fix, 0, sizeof(struct fb_fix_screeninfo));
1483
1484         fix->smem_start = xgi_video_info.video_base;
1485
1486         fix->smem_len = xgi_video_info.video_size;
1487
1488         fix->type = FB_TYPE_PACKED_PIXELS;
1489         fix->type_aux = 0;
1490         if (xgi_video_info.video_bpp == 8)
1491                 fix->visual = FB_VISUAL_PSEUDOCOLOR;
1492         else
1493                 fix->visual = FB_VISUAL_DIRECTCOLOR;
1494         fix->xpanstep = 0;
1495         if (XGIfb_ypan)
1496                 fix->ypanstep = 1;
1497         fix->ywrapstep = 0;
1498         fix->line_length = xgi_video_info.video_linelength;
1499         fix->mmio_start = xgi_video_info.mmio_base;
1500         fix->mmio_len = xgi_video_info.mmio_size;
1501         fix->accel = FB_ACCEL_XGI_XABRE;
1502
1503         DEBUGPRN("end of get_fix");
1504         return 0;
1505 }
1506
1507 static int XGIfb_set_par(struct fb_info *info)
1508 {
1509         int err;
1510
1511         /* printk("XGIfb: inside set_par\n"); */
1512         err = XGIfb_do_set_var(&info->var, 1, info);
1513         if (err)
1514                 return err;
1515         XGIfb_get_fix(&info->fix, -1, info);
1516         /* printk("XGIfb: end of set_par\n"); */
1517         return 0;
1518 }
1519
1520 static int XGIfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
1521 {
1522         unsigned int htotal = var->left_margin + var->xres + var->right_margin
1523                         + var->hsync_len;
1524         unsigned int vtotal = 0;
1525         unsigned int drate = 0, hrate = 0;
1526         int found_mode = 0;
1527         int refresh_rate, search_idx;
1528
1529         DEBUGPRN("Inside check_var");
1530
1531         if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) {
1532                 vtotal = var->upper_margin + var->yres + var->lower_margin
1533                                 + var->vsync_len;
1534                 vtotal <<= 1;
1535         } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) {
1536                 vtotal = var->upper_margin + var->yres + var->lower_margin
1537                                 + var->vsync_len;
1538                 vtotal <<= 2;
1539         } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
1540                 vtotal = var->upper_margin + (var->yres / 2)
1541                                 + var->lower_margin + var->vsync_len;
1542         } else
1543                 vtotal = var->upper_margin + var->yres + var->lower_margin
1544                                 + var->vsync_len;
1545
1546         if (!(htotal) || !(vtotal))
1547                 XGIFAIL("XGIfb: no valid timing data");
1548
1549         if (var->pixclock && htotal && vtotal) {
1550                 drate = 1000000000 / var->pixclock;
1551                 hrate = (drate * 1000) / htotal;
1552                 xgi_video_info.refresh_rate =
1553                         (unsigned int) (hrate * 2 / vtotal);
1554                 printk(KERN_DEBUG
1555                         "%s: pixclock = %d ,htotal=%d, vtotal=%d\n"
1556                         "%s: drate=%d, hrate=%d, refresh_rate=%d\n",
1557                         __func__, var->pixclock, htotal, vtotal,
1558                         __func__, drate, hrate, xgi_video_info.refresh_rate);
1559         } else {
1560                 xgi_video_info.refresh_rate = 60;
1561         }
1562
1563         /*
1564         if ((var->pixclock) && (htotal)) {
1565                 drate = 1E12 / var->pixclock;
1566                 hrate = drate / htotal;
1567                 refresh_rate = (unsigned int) (hrate / vtotal * 2 + 0.5);
1568         } else {
1569                 refresh_rate = 60;
1570         }
1571         */
1572         /* TW: Calculation wrong for 1024x600 - force it to 60Hz */
1573         if ((var->xres == 1024) && (var->yres == 600))
1574                 refresh_rate = 60;
1575
1576         search_idx = 0;
1577         while ((XGIbios_mode[search_idx].mode_no != 0) &&
1578                 (XGIbios_mode[search_idx].xres <= var->xres)) {
1579                 if ((XGIbios_mode[search_idx].xres == var->xres) &&
1580                         (XGIbios_mode[search_idx].yres == var->yres) &&
1581                         (XGIbios_mode[search_idx].bpp == var->bits_per_pixel)) {
1582                         if (XGIfb_validate_mode(search_idx) > 0) {
1583                                 found_mode = 1;
1584                                 break;
1585                         }
1586                 }
1587                 search_idx++;
1588         }
1589
1590         if (!found_mode) {
1591
1592                 printk(KERN_ERR "XGIfb: %dx%dx%d is no valid mode\n",
1593                         var->xres, var->yres, var->bits_per_pixel);
1594                 search_idx = 0;
1595                 while (XGIbios_mode[search_idx].mode_no != 0) {
1596                         if ((var->xres <= XGIbios_mode[search_idx].xres) &&
1597                             (var->yres <= XGIbios_mode[search_idx].yres) &&
1598                             (var->bits_per_pixel ==
1599                              XGIbios_mode[search_idx].bpp)) {
1600                                 if (XGIfb_validate_mode(search_idx) > 0) {
1601                                         found_mode = 1;
1602                                         break;
1603                                 }
1604                         }
1605                         search_idx++;
1606                 }
1607                 if (found_mode) {
1608                         var->xres = XGIbios_mode[search_idx].xres;
1609                         var->yres = XGIbios_mode[search_idx].yres;
1610                         printk(KERN_DEBUG "XGIfb: Adapted to mode %dx%dx%d\n",
1611                                 var->xres, var->yres, var->bits_per_pixel);
1612
1613                 } else {
1614                         printk(KERN_ERR "XGIfb: Failed to find similar mode to %dx%dx%d\n",
1615                                 var->xres, var->yres, var->bits_per_pixel);
1616                         return -EINVAL;
1617                 }
1618         }
1619
1620         /* TW: TODO: Check the refresh rate */
1621
1622         /* Adapt RGB settings */
1623         XGIfb_bpp_to_var(var);
1624
1625         /* Sanity check for offsets */
1626         if (var->xoffset < 0)
1627                 var->xoffset = 0;
1628         if (var->yoffset < 0)
1629                 var->yoffset = 0;
1630
1631         if (!XGIfb_ypan) {
1632                 if (var->xres != var->xres_virtual)
1633                         var->xres_virtual = var->xres;
1634                 if (var->yres != var->yres_virtual)
1635                         var->yres_virtual = var->yres;
1636         } /* else { */
1637                 /* TW: Now patch yres_virtual if we use panning */
1638                 /* May I do this? */
1639                 /* var->yres_virtual = xgi_video_info.heapstart /
1640                         (var->xres * (var->bits_per_pixel >> 3)); */
1641                 /* if (var->yres_virtual <= var->yres) { */
1642                 /* TW: Paranoia check */
1643                 /* var->yres_virtual = var->yres; */
1644                 /* } */
1645         /* } */
1646
1647         /* Truncate offsets to maximum if too high */
1648         if (var->xoffset > var->xres_virtual - var->xres)
1649                 var->xoffset = var->xres_virtual - var->xres - 1;
1650
1651         if (var->yoffset > var->yres_virtual - var->yres)
1652                 var->yoffset = var->yres_virtual - var->yres - 1;
1653
1654         /* Set everything else to 0 */
1655         var->red.msb_right =
1656         var->green.msb_right =
1657         var->blue.msb_right =
1658         var->transp.offset = var->transp.length = var->transp.msb_right = 0;
1659
1660         DEBUGPRN("end of check_var");
1661         return 0;
1662 }
1663
1664 static int XGIfb_pan_display(struct fb_var_screeninfo *var,
1665                 struct fb_info *info)
1666 {
1667         int err;
1668
1669         /* printk("\nInside pan_display:\n"); */
1670
1671         if (var->xoffset > (var->xres_virtual - var->xres))
1672                 return -EINVAL;
1673         if (var->yoffset > (var->yres_virtual - var->yres))
1674                 return -EINVAL;
1675
1676         if (var->vmode & FB_VMODE_YWRAP) {
1677                 if (var->yoffset < 0 || var->yoffset >= info->var.yres_virtual
1678                                 || var->xoffset)
1679                         return -EINVAL;
1680         } else {
1681                 if (var->xoffset + info->var.xres > info->var.xres_virtual
1682                                 || var->yoffset + info->var.yres
1683                                                 > info->var.yres_virtual)
1684                         return -EINVAL;
1685         }
1686         err = XGIfb_pan_var(var);
1687         if (err < 0)
1688                 return err;
1689
1690         info->var.xoffset = var->xoffset;
1691         info->var.yoffset = var->yoffset;
1692         if (var->vmode & FB_VMODE_YWRAP)
1693                 info->var.vmode |= FB_VMODE_YWRAP;
1694         else
1695                 info->var.vmode &= ~FB_VMODE_YWRAP;
1696
1697         /* printk("End of pan_display\n"); */
1698         return 0;
1699 }
1700
1701 static int XGIfb_blank(int blank, struct fb_info *info)
1702 {
1703         u8 reg;
1704
1705         reg = xgifb_reg_get(XGICR, 0x17);
1706
1707         if (blank > 0)
1708                 reg &= 0x7f;
1709         else
1710                 reg |= 0x80;
1711
1712         xgifb_reg_set(XGICR, 0x17, reg);
1713         xgifb_reg_set(XGISR, 0x00, 0x01); /* Synchronous Reset */
1714         xgifb_reg_set(XGISR, 0x00, 0x03); /* End Reset */
1715         return 0;
1716 }
1717
1718 static struct fb_ops XGIfb_ops = {
1719         .owner = THIS_MODULE,
1720         .fb_open = XGIfb_open,
1721         .fb_release = XGIfb_release,
1722         .fb_check_var = XGIfb_check_var,
1723         .fb_set_par = XGIfb_set_par,
1724         .fb_setcolreg = XGIfb_setcolreg,
1725         .fb_pan_display = XGIfb_pan_display,
1726         .fb_blank = XGIfb_blank,
1727         .fb_fillrect = cfb_fillrect,
1728         .fb_copyarea = cfb_copyarea,
1729         .fb_imageblit = cfb_imageblit,
1730         /* .fb_mmap = XGIfb_mmap, */
1731 };
1732
1733 /* ---------------- Chip generation dependent routines ---------------- */
1734
1735 /* for XGI 315/550/650/740/330 */
1736
1737 static int XGIfb_get_dram_size(void)
1738 {
1739
1740         u8 ChannelNum, tmp;
1741         u8 reg = 0;
1742
1743         /* xorg driver sets 32MB * 1 channel */
1744         if (xgi_video_info.chip == XG27)
1745                 xgifb_reg_set(XGISR, IND_XGI_DRAM_SIZE, 0x51);
1746
1747         reg = xgifb_reg_get(XGISR, IND_XGI_DRAM_SIZE);
1748         switch ((reg & XGI_DRAM_SIZE_MASK) >> 4) {
1749         case XGI_DRAM_SIZE_1MB:
1750                 xgi_video_info.video_size = 0x100000;
1751                 break;
1752         case XGI_DRAM_SIZE_2MB:
1753                 xgi_video_info.video_size = 0x200000;
1754                 break;
1755         case XGI_DRAM_SIZE_4MB:
1756                 xgi_video_info.video_size = 0x400000;
1757                 break;
1758         case XGI_DRAM_SIZE_8MB:
1759                 xgi_video_info.video_size = 0x800000;
1760                 break;
1761         case XGI_DRAM_SIZE_16MB:
1762                 xgi_video_info.video_size = 0x1000000;
1763                 break;
1764         case XGI_DRAM_SIZE_32MB:
1765                 xgi_video_info.video_size = 0x2000000;
1766                 break;
1767         case XGI_DRAM_SIZE_64MB:
1768                 xgi_video_info.video_size = 0x4000000;
1769                 break;
1770         case XGI_DRAM_SIZE_128MB:
1771                 xgi_video_info.video_size = 0x8000000;
1772                 break;
1773         case XGI_DRAM_SIZE_256MB:
1774                 xgi_video_info.video_size = 0x10000000;
1775                 break;
1776         default:
1777                 return -1;
1778         }
1779
1780         tmp = (reg & 0x0c) >> 2;
1781         switch (xgi_video_info.chip) {
1782         case XG20:
1783         case XG21:
1784         case XG27:
1785                 ChannelNum = 1;
1786                 break;
1787
1788         case XG42:
1789                 if (reg & 0x04)
1790                         ChannelNum = 2;
1791                 else
1792                         ChannelNum = 1;
1793                 break;
1794
1795         case XG45:
1796                 if (tmp == 1)
1797                         ChannelNum = 2;
1798                 else if (tmp == 2)
1799                         ChannelNum = 3;
1800                 else if (tmp == 3)
1801                         ChannelNum = 4;
1802                 else
1803                         ChannelNum = 1;
1804                 break;
1805
1806         case XG40:
1807         default:
1808                 if (tmp == 2)
1809                         ChannelNum = 2;
1810                 else if (tmp == 3)
1811                         ChannelNum = 3;
1812                 else
1813                         ChannelNum = 1;
1814                 break;
1815         }
1816
1817         xgi_video_info.video_size = xgi_video_info.video_size * ChannelNum;
1818         /* PLiad fixed for benchmarking and fb set */
1819         /* xgi_video_info.video_size = 0x200000; */ /* 1024x768x16 */
1820         /* xgi_video_info.video_size = 0x1000000; */ /* benchmark */
1821
1822         printk("XGIfb: SR14=%x DramSzie %x ChannelNum %x\n",
1823                reg,
1824                xgi_video_info.video_size, ChannelNum);
1825         return 0;
1826
1827 }
1828
1829 static void XGIfb_detect_VB(void)
1830 {
1831         u8 cr32, temp = 0;
1832
1833         xgi_video_info.TV_plug = xgi_video_info.TV_type = 0;
1834
1835         switch (xgi_video_info.hasVB) {
1836         case HASVB_LVDS_CHRONTEL:
1837         case HASVB_CHRONTEL:
1838                 break;
1839         case HASVB_301:
1840         case HASVB_302:
1841                 /* XGI_Sense30x(); */ /* Yi-Lin TV Sense? */
1842                 break;
1843         }
1844
1845         cr32 = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR32);
1846
1847         if ((cr32 & XGI_CRT1) && !XGIfb_crt1off)
1848                 XGIfb_crt1off = 0;
1849         else {
1850                 if (cr32 & 0x5F)
1851                         XGIfb_crt1off = 1;
1852                 else
1853                         XGIfb_crt1off = 0;
1854         }
1855
1856         if (XGIfb_crt2type != -1)
1857                 /* TW: Override with option */
1858                 xgi_video_info.disp_state = XGIfb_crt2type;
1859         else if (cr32 & XGI_VB_TV)
1860                 xgi_video_info.disp_state = DISPTYPE_TV;
1861         else if (cr32 & XGI_VB_LCD)
1862                 xgi_video_info.disp_state = DISPTYPE_LCD;
1863         else if (cr32 & XGI_VB_CRT2)
1864                 xgi_video_info.disp_state = DISPTYPE_CRT2;
1865         else
1866                 xgi_video_info.disp_state = 0;
1867
1868         if (XGIfb_tvplug != -1)
1869                 /* PR/TW: Override with option */
1870                 xgi_video_info.TV_plug = XGIfb_tvplug;
1871         else if (cr32 & XGI_VB_HIVISION) {
1872                 xgi_video_info.TV_type = TVMODE_HIVISION;
1873                 xgi_video_info.TV_plug = TVPLUG_SVIDEO;
1874         } else if (cr32 & XGI_VB_SVIDEO)
1875                 xgi_video_info.TV_plug = TVPLUG_SVIDEO;
1876         else if (cr32 & XGI_VB_COMPOSITE)
1877                 xgi_video_info.TV_plug = TVPLUG_COMPOSITE;
1878         else if (cr32 & XGI_VB_SCART)
1879                 xgi_video_info.TV_plug = TVPLUG_SCART;
1880
1881         if (xgi_video_info.TV_type == 0) {
1882                 temp = xgifb_reg_get(XGICR, 0x38);
1883                 if (temp & 0x10)
1884                         xgi_video_info.TV_type = TVMODE_PAL;
1885                 else
1886                         xgi_video_info.TV_type = TVMODE_NTSC;
1887         }
1888
1889         /* TW: Copy forceCRT1 option to CRT1off if option is given */
1890         if (XGIfb_forcecrt1 != -1) {
1891                 if (XGIfb_forcecrt1)
1892                         XGIfb_crt1off = 0;
1893                 else
1894                         XGIfb_crt1off = 1;
1895         }
1896 }
1897
1898 static int XGIfb_has_VB(void)
1899 {
1900         u8 vb_chipid;
1901
1902         vb_chipid = xgifb_reg_get(XGIPART4, 0x00);
1903         switch (vb_chipid) {
1904         case 0x01:
1905                 xgi_video_info.hasVB = HASVB_301;
1906                 break;
1907         case 0x02:
1908                 xgi_video_info.hasVB = HASVB_302;
1909                 break;
1910         default:
1911                 xgi_video_info.hasVB = HASVB_NONE;
1912                 return 0;
1913         }
1914         return 1;
1915 }
1916
1917 static void XGIfb_get_VB_type(void)
1918 {
1919         u8 reg;
1920
1921         if (!XGIfb_has_VB()) {
1922                 reg = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR37);
1923                 switch ((reg & XGI_EXTERNAL_CHIP_MASK) >> 1) {
1924                 case XGI310_EXTERNAL_CHIP_LVDS:
1925                         xgi_video_info.hasVB = HASVB_LVDS;
1926                         break;
1927                 case XGI310_EXTERNAL_CHIP_LVDS_CHRONTEL:
1928                         xgi_video_info.hasVB = HASVB_LVDS_CHRONTEL;
1929                         break;
1930                 default:
1931                         break;
1932                 }
1933         }
1934 }
1935
1936 static int __init XGIfb_setup(char *options)
1937 {
1938         char *this_opt;
1939
1940         xgi_video_info.refresh_rate = 0;
1941
1942         printk(KERN_INFO "XGIfb: Options %s\n", options);
1943
1944         if (!options || !*options)
1945                 return 0;
1946
1947         while ((this_opt = strsep(&options, ",")) != NULL) {
1948
1949                 if (!*this_opt)
1950                         continue;
1951
1952                 if (!strncmp(this_opt, "mode:", 5)) {
1953                         XGIfb_search_mode(this_opt + 5);
1954                 } else if (!strncmp(this_opt, "vesa:", 5)) {
1955                         XGIfb_search_vesamode(simple_strtoul(
1956                                                 this_opt + 5, NULL, 0));
1957                 } else if (!strncmp(this_opt, "mode:", 5)) {
1958                         XGIfb_search_mode(this_opt + 5);
1959                 } else if (!strncmp(this_opt, "vesa:", 5)) {
1960                         XGIfb_search_vesamode(simple_strtoul(
1961                                                 this_opt + 5, NULL, 0));
1962                 } else if (!strncmp(this_opt, "vrate:", 6)) {
1963                         xgi_video_info.refresh_rate = simple_strtoul(
1964                                                 this_opt + 6, NULL, 0);
1965                 } else if (!strncmp(this_opt, "rate:", 5)) {
1966                         xgi_video_info.refresh_rate = simple_strtoul(
1967                                                 this_opt + 5, NULL, 0);
1968                 } else if (!strncmp(this_opt, "off", 3)) {
1969                         XGIfb_off = 1;
1970                 } else if (!strncmp(this_opt, "crt1off", 7)) {
1971                         XGIfb_crt1off = 1;
1972                 } else if (!strncmp(this_opt, "filter:", 7)) {
1973                         filter = (int)simple_strtoul(this_opt + 7, NULL, 0);
1974                 } else if (!strncmp(this_opt, "forcecrt2type:", 14)) {
1975                         XGIfb_search_crt2type(this_opt + 14);
1976                 } else if (!strncmp(this_opt, "forcecrt1:", 10)) {
1977                         XGIfb_forcecrt1 = (int)simple_strtoul(
1978                                                 this_opt + 10, NULL, 0);
1979                 } else if (!strncmp(this_opt, "tvmode:", 7)) {
1980                         XGIfb_search_tvstd(this_opt + 7);
1981                 } else if (!strncmp(this_opt, "tvstandard:", 11)) {
1982                         XGIfb_search_tvstd(this_opt + 7);
1983                 } else if (!strncmp(this_opt, "dstn", 4)) {
1984                         enable_dstn = 1;
1985                         /* TW: DSTN overrules forcecrt2type */
1986                         XGIfb_crt2type = DISPTYPE_LCD;
1987                 } else if (!strncmp(this_opt, "noypan", 6)) {
1988                         XGIfb_ypan = 0;
1989                 } else if (!strncmp(this_opt, "userom:", 7)) {
1990                         XGIfb_userom = (int)simple_strtoul(
1991                                                 this_opt + 7, NULL, 0);
1992                 } else {
1993                         XGIfb_search_mode(this_opt);
1994                         /* printk(KERN_INFO "XGIfb: Invalid option %s\n",
1995                                   this_opt); */
1996                 }
1997         }
1998         printk("\nxgifb: outa xgifb_setup 3450");
1999         return 0;
2000 }
2001
2002 static unsigned char *xgifb_copy_rom(struct pci_dev *dev)
2003 {
2004         void __iomem *rom_address;
2005         unsigned char *rom_copy;
2006         size_t rom_size;
2007
2008         rom_address = pci_map_rom(dev, &rom_size);
2009         if (rom_address == NULL)
2010                 return NULL;
2011
2012         rom_copy = vzalloc(XGIFB_ROM_SIZE);
2013         if (rom_copy == NULL)
2014                 goto done;
2015
2016         rom_size = min_t(size_t, rom_size, XGIFB_ROM_SIZE);
2017         memcpy_fromio(rom_copy, rom_address, rom_size);
2018
2019 done:
2020         pci_unmap_rom(dev, rom_address);
2021         return rom_copy;
2022 }
2023
2024 static int __devinit xgifb_probe(struct pci_dev *pdev,
2025                 const struct pci_device_id *ent)
2026 {
2027         u8 reg, reg1;
2028         u8 CR48, CR38;
2029         int ret;
2030
2031         if (XGIfb_off)
2032                 return -ENXIO;
2033
2034         memset(&XGIhw_ext, 0, sizeof(struct xgi_hw_device_info));
2035         fb_info = framebuffer_alloc(sizeof(struct fb_info), &pdev->dev);
2036         if (!fb_info)
2037                 return -ENOMEM;
2038
2039         xgi_video_info.chip_id = pdev->device;
2040         pci_read_config_byte(pdev,
2041                              PCI_REVISION_ID,
2042                              &xgi_video_info.revision_id);
2043         XGIhw_ext.jChipRevision = xgi_video_info.revision_id;
2044
2045         xgi_video_info.pcibus = pdev->bus->number;
2046         xgi_video_info.pcislot = PCI_SLOT(pdev->devfn);
2047         xgi_video_info.pcifunc = PCI_FUNC(pdev->devfn);
2048         xgi_video_info.subsysvendor = pdev->subsystem_vendor;
2049         xgi_video_info.subsysdevice = pdev->subsystem_device;
2050
2051         xgi_video_info.video_base = pci_resource_start(pdev, 0);
2052         xgi_video_info.mmio_base = pci_resource_start(pdev, 1);
2053         xgi_video_info.mmio_size = pci_resource_len(pdev, 1);
2054         xgi_video_info.vga_base = pci_resource_start(pdev, 2) + 0x30;
2055         XGIhw_ext.pjIOAddress = (unsigned char *)xgi_video_info.vga_base;
2056         /* XGI_Pr.RelIO  = ioremap(pci_resource_start(pdev, 2), 128) + 0x30; */
2057         printk("XGIfb: Relocate IO address: %lx [%08lx]\n",
2058                (unsigned long)pci_resource_start(pdev, 2), XGI_Pr.RelIO);
2059
2060         if (pci_enable_device(pdev)) {
2061                 ret = -EIO;
2062                 goto error;
2063         }
2064
2065         XGIRegInit(&XGI_Pr, (unsigned long)XGIhw_ext.pjIOAddress);
2066
2067         xgifb_reg_set(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD);
2068         reg1 = xgifb_reg_get(XGISR, IND_XGI_PASSWORD);
2069
2070         if (reg1 != 0xa1) { /*I/O error */
2071                 printk("\nXGIfb: I/O error!!!");
2072                 ret = -EIO;
2073                 goto error;
2074         }
2075
2076         switch (xgi_video_info.chip_id) {
2077         case PCI_DEVICE_ID_XG_20:
2078                 xgifb_reg_or(XGICR, Index_CR_GPIO_Reg3, GPIOG_EN);
2079                 CR48 = xgifb_reg_get(XGICR, Index_CR_GPIO_Reg1);
2080                 if (CR48&GPIOG_READ)
2081                         xgi_video_info.chip = XG21;
2082                 else
2083                         xgi_video_info.chip = XG20;
2084                 XGIfb_CRT2_write_enable = IND_XGI_CRT2_WRITE_ENABLE_315;
2085                 break;
2086         case PCI_DEVICE_ID_XG_40:
2087                 xgi_video_info.chip = XG40;
2088                 XGIfb_CRT2_write_enable = IND_XGI_CRT2_WRITE_ENABLE_315;
2089                 break;
2090         case PCI_DEVICE_ID_XG_41:
2091                 xgi_video_info.chip = XG41;
2092                 XGIfb_CRT2_write_enable = IND_XGI_CRT2_WRITE_ENABLE_315;
2093                 break;
2094         case PCI_DEVICE_ID_XG_42:
2095                 xgi_video_info.chip = XG42;
2096                 XGIfb_CRT2_write_enable = IND_XGI_CRT2_WRITE_ENABLE_315;
2097                 break;
2098         case PCI_DEVICE_ID_XG_27:
2099                 xgi_video_info.chip = XG27;
2100                 XGIfb_CRT2_write_enable = IND_XGI_CRT2_WRITE_ENABLE_315;
2101                 break;
2102         default:
2103                 ret = -ENODEV;
2104                 goto error;
2105         }
2106
2107         printk("XGIfb:chipid = %x\n", xgi_video_info.chip);
2108         XGIhw_ext.jChipType = xgi_video_info.chip;
2109
2110         if ((xgi_video_info.chip == XG21) || (XGIfb_userom)) {
2111                 XGIhw_ext.pjVirtualRomBase = xgifb_copy_rom(pdev);
2112                 if (XGIhw_ext.pjVirtualRomBase)
2113                         printk(KERN_INFO "XGIfb: Video ROM found and mapped to %p\n",
2114                                XGIhw_ext.pjVirtualRomBase);
2115                 else
2116                         printk(KERN_INFO "XGIfb: Video ROM not found\n");
2117         } else {
2118                 XGIhw_ext.pjVirtualRomBase = NULL;
2119                 printk(KERN_INFO "XGIfb: Video ROM usage disabled\n");
2120         }
2121         XGIhw_ext.pQueryVGAConfigSpace = &XGIfb_query_VGA_config_space;
2122
2123         if (XGIfb_get_dram_size()) {
2124                 printk(KERN_INFO "XGIfb: Fatal error: Unable to determine RAM size.\n");
2125                 ret = -ENODEV;
2126                 goto error;
2127         }
2128
2129         /* Enable PCI_LINEAR_ADDRESSING and MMIO_ENABLE  */
2130         xgifb_reg_or(XGISR,
2131                      IND_XGI_PCI_ADDRESS_SET,
2132                      (XGI_PCI_ADDR_ENABLE | XGI_MEM_MAP_IO_ENABLE));
2133         /* Enable 2D accelerator engine */
2134         xgifb_reg_or(XGISR, IND_XGI_MODULE_ENABLE, XGI_ENABLE_2D);
2135
2136         XGIhw_ext.ulVideoMemorySize = xgi_video_info.video_size;
2137
2138         if (!request_mem_region(xgi_video_info.video_base,
2139                                 xgi_video_info.video_size,
2140                                 "XGIfb FB")) {
2141                 printk("unable request memory size %x",
2142                        xgi_video_info.video_size);
2143                 printk(KERN_ERR "XGIfb: Fatal error: Unable to reserve frame buffer memory\n");
2144                 printk(KERN_ERR "XGIfb: Is there another framebuffer driver active?\n");
2145                 ret = -ENODEV;
2146                 goto error;
2147         }
2148
2149         if (!request_mem_region(xgi_video_info.mmio_base,
2150                                 xgi_video_info.mmio_size,
2151                                 "XGIfb MMIO")) {
2152                 printk(KERN_ERR "XGIfb: Fatal error: Unable to reserve MMIO region\n");
2153                 ret = -ENODEV;
2154                 goto error_0;
2155         }
2156
2157         xgi_video_info.video_vbase = XGIhw_ext.pjVideoMemoryAddress =
2158         ioremap(xgi_video_info.video_base, xgi_video_info.video_size);
2159         xgi_video_info.mmio_vbase = ioremap(xgi_video_info.mmio_base,
2160                                             xgi_video_info.mmio_size);
2161
2162         printk(KERN_INFO "XGIfb: Framebuffer at 0x%lx, mapped to 0x%p, size %dk\n",
2163                xgi_video_info.video_base,
2164                xgi_video_info.video_vbase,
2165                xgi_video_info.video_size / 1024);
2166
2167         printk(KERN_INFO "XGIfb: MMIO at 0x%lx, mapped to 0x%p, size %ldk\n",
2168                xgi_video_info.mmio_base, xgi_video_info.mmio_vbase,
2169                xgi_video_info.mmio_size / 1024);
2170         printk("XGIfb: XGIInitNew() ...");
2171         if (XGIInitNew(&XGIhw_ext))
2172                 printk("OK\n");
2173         else
2174                 printk("Fail\n");
2175
2176         xgi_video_info.mtrr = (unsigned int) 0;
2177
2178         xgi_video_info.hasVB = HASVB_NONE;
2179         if ((xgi_video_info.chip == XG20) ||
2180             (xgi_video_info.chip == XG27)) {
2181                 xgi_video_info.hasVB = HASVB_NONE;
2182         } else if (xgi_video_info.chip == XG21) {
2183                 CR38 = xgifb_reg_get(XGICR, 0x38);
2184                 if ((CR38&0xE0) == 0xC0) {
2185                         xgi_video_info.disp_state = DISPTYPE_LCD;
2186                         if (!XGIfb_GetXG21LVDSData()) {
2187                                 int m;
2188                                 for (m = 0; m < sizeof(XGI21_LCDCapList)/sizeof(struct XGI21_LVDSCapStruct); m++) {
2189                                         if ((XGI21_LCDCapList[m].LVDSHDE == XGIbios_mode[xgifb_mode_idx].xres) &&
2190                                             (XGI21_LCDCapList[m].LVDSVDE == XGIbios_mode[xgifb_mode_idx].yres)) {
2191                                                 xgifb_reg_set(XGI_Pr.P3d4, 0x36, m);
2192                                         }
2193                                 }
2194                         }
2195                 } else if ((CR38&0xE0) == 0x60) {
2196                         xgi_video_info.hasVB = HASVB_CHRONTEL;
2197                 } else {
2198                         xgi_video_info.hasVB = HASVB_NONE;
2199                 }
2200         } else {
2201                 XGIfb_get_VB_type();
2202         }
2203
2204         XGIhw_ext.ujVBChipID = VB_CHIP_UNKNOWN;
2205
2206         XGIhw_ext.ulExternalChip = 0;
2207
2208         switch (xgi_video_info.hasVB) {
2209         case HASVB_301:
2210                 reg = xgifb_reg_get(XGIPART4, 0x01);
2211                 if (reg >= 0xE0) {
2212                         XGIhw_ext.ujVBChipID = VB_CHIP_302LV;
2213                         printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n", reg);
2214                 } else if (reg >= 0xD0) {
2215                         XGIhw_ext.ujVBChipID = VB_CHIP_301LV;
2216                         printk(KERN_INFO "XGIfb: XGI301LV bridge detected (revision 0x%02x)\n", reg);
2217                 }
2218                 /* else if (reg >= 0xB0) {
2219                         XGIhw_ext.ujVBChipID = VB_CHIP_301B;
2220                         reg1 = xgifb_reg_get(XGIPART4, 0x23);
2221                         printk("XGIfb: XGI301B bridge detected\n");
2222                 } */
2223                 else {
2224                         XGIhw_ext.ujVBChipID = VB_CHIP_301;
2225                         printk("XGIfb: XGI301 bridge detected\n");
2226                 }
2227                 break;
2228         case HASVB_302:
2229                 reg = xgifb_reg_get(XGIPART4, 0x01);
2230                 if (reg >= 0xE0) {
2231                         XGIhw_ext.ujVBChipID = VB_CHIP_302LV;
2232                         printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n", reg);
2233                 } else if (reg >= 0xD0) {
2234                         XGIhw_ext.ujVBChipID = VB_CHIP_301LV;
2235                         printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n", reg);
2236                 } else if (reg >= 0xB0) {
2237                         reg1 = xgifb_reg_get(XGIPART4, 0x23);
2238
2239                         XGIhw_ext.ujVBChipID = VB_CHIP_302B;
2240
2241                 } else {
2242                         XGIhw_ext.ujVBChipID = VB_CHIP_302;
2243                         printk(KERN_INFO "XGIfb: XGI302 bridge detected\n");
2244                 }
2245                 break;
2246         case HASVB_LVDS:
2247                 XGIhw_ext.ulExternalChip = 0x1;
2248                 printk(KERN_INFO "XGIfb: LVDS transmitter detected\n");
2249                 break;
2250         case HASVB_TRUMPION:
2251                 XGIhw_ext.ulExternalChip = 0x2;
2252                 printk(KERN_INFO "XGIfb: Trumpion Zurac LVDS scaler detected\n");
2253                 break;
2254         case HASVB_CHRONTEL:
2255                 XGIhw_ext.ulExternalChip = 0x4;
2256                 printk(KERN_INFO "XGIfb: Chrontel TV encoder detected\n");
2257                 break;
2258         case HASVB_LVDS_CHRONTEL:
2259                 XGIhw_ext.ulExternalChip = 0x5;
2260                 printk(KERN_INFO "XGIfb: LVDS transmitter and Chrontel TV encoder detected\n");
2261                 break;
2262         default:
2263                 printk(KERN_INFO "XGIfb: No or unknown bridge type detected\n");
2264                 break;
2265         }
2266
2267         if (xgi_video_info.hasVB != HASVB_NONE)
2268                 XGIfb_detect_VB();
2269
2270         if (xgi_video_info.disp_state & DISPTYPE_DISP2) {
2271                 if (XGIfb_crt1off)
2272                         xgi_video_info.disp_state |= DISPMODE_SINGLE;
2273                 else
2274                         xgi_video_info.disp_state |= (DISPMODE_MIRROR |
2275                                                       DISPTYPE_CRT1);
2276         } else {
2277                 xgi_video_info.disp_state = DISPMODE_SINGLE |
2278                                             DISPTYPE_CRT1;
2279         }
2280
2281         if (xgi_video_info.disp_state & DISPTYPE_LCD) {
2282                 if (!enable_dstn) {
2283                         reg = xgifb_reg_get(XGICR, IND_XGI_LCD_PANEL);
2284                         reg &= 0x0f;
2285                         XGIhw_ext.ulCRT2LCDType = XGI310paneltype[reg];
2286
2287                 } else {
2288                         /* TW: FSTN/DSTN */
2289                         XGIhw_ext.ulCRT2LCDType = LCD_320x480;
2290                 }
2291         }
2292
2293         if ((XGIhw_ext.ujVBChipID == VB_CHIP_302B) ||
2294                         (XGIhw_ext.ujVBChipID == VB_CHIP_301LV) ||
2295                         (XGIhw_ext.ujVBChipID == VB_CHIP_302LV)) {
2296                 int tmp;
2297                 tmp = xgifb_reg_get(XGICR, 0x34);
2298                 if (tmp <= 0x13) {
2299                         /* Currently on LCDA?
2300                          *(Some BIOSes leave CR38) */
2301                         tmp = xgifb_reg_get(XGICR, 0x38);
2302                         if ((tmp & 0x03) == 0x03) {
2303                                 /* XGI_Pr.XGI_UseLCDA = 1; */
2304                         } else {
2305                                 /* Currently on LCDA?
2306                                  *(Some newer BIOSes set D0 in CR35) */
2307                                 tmp = xgifb_reg_get(XGICR, 0x35);
2308                                 if (tmp & 0x01) {
2309                                         /* XGI_Pr.XGI_UseLCDA = 1; */
2310                                 } else {
2311                                         tmp = xgifb_reg_get(XGICR,
2312                                                             0x30);
2313                                         if (tmp & 0x20) {
2314                                                 tmp = xgifb_reg_get(
2315                                                         XGIPART1, 0x13);
2316                                                 if (tmp & 0x04) {
2317                                                         /* XGI_Pr.XGI_UseLCDA = 1; */
2318                                                 }
2319                                         }
2320                                 }
2321                         }
2322                 }
2323
2324         }
2325
2326         if (xgifb_mode_idx >= 0)
2327                 xgifb_mode_idx = XGIfb_validate_mode(xgifb_mode_idx);
2328
2329         if (xgifb_mode_idx < 0) {
2330                 switch (xgi_video_info.disp_state & DISPTYPE_DISP2) {
2331                 case DISPTYPE_LCD:
2332                         xgifb_mode_idx = DEFAULT_LCDMODE;
2333                         if (xgi_video_info.chip == XG21)
2334                                 xgifb_mode_idx =
2335                                     XGIfb_GetXG21DefaultLVDSModeIdx();
2336                         break;
2337                 case DISPTYPE_TV:
2338                         xgifb_mode_idx = DEFAULT_TVMODE;
2339                         break;
2340                 default:
2341                         xgifb_mode_idx = DEFAULT_MODE;
2342                         break;
2343                 }
2344         }
2345
2346         XGIfb_mode_no = XGIbios_mode[xgifb_mode_idx].mode_no;
2347
2348         /* yilin set default refresh rate */
2349         if (xgi_video_info.refresh_rate == 0)
2350                 xgi_video_info.refresh_rate = 60;
2351         if (XGIfb_search_refresh_rate(
2352                         xgi_video_info.refresh_rate) == 0) {
2353                 XGIfb_rate_idx = XGIbios_mode[xgifb_mode_idx].rate_idx;
2354                 xgi_video_info.refresh_rate = 60;
2355         }
2356
2357         xgi_video_info.video_bpp = XGIbios_mode[xgifb_mode_idx].bpp;
2358         xgi_video_info.video_vwidth =
2359                 xgi_video_info.video_width =
2360                         XGIbios_mode[xgifb_mode_idx].xres;
2361         xgi_video_info.video_vheight =
2362                 xgi_video_info.video_height =
2363                         XGIbios_mode[xgifb_mode_idx].yres;
2364         xgi_video_info.org_x = xgi_video_info.org_y = 0;
2365         xgi_video_info.video_linelength =
2366                 xgi_video_info.video_width *
2367                 (xgi_video_info.video_bpp >> 3);
2368         switch (xgi_video_info.video_bpp) {
2369         case 8:
2370                 xgi_video_info.DstColor = 0x0000;
2371                 xgi_video_info.XGI310_AccelDepth = 0x00000000;
2372                 xgi_video_info.video_cmap_len = 256;
2373                 break;
2374         case 16:
2375                 xgi_video_info.DstColor = 0x8000;
2376                 xgi_video_info.XGI310_AccelDepth = 0x00010000;
2377                 xgi_video_info.video_cmap_len = 16;
2378                 break;
2379         case 32:
2380                 xgi_video_info.DstColor = 0xC000;
2381                 xgi_video_info.XGI310_AccelDepth = 0x00020000;
2382                 xgi_video_info.video_cmap_len = 16;
2383                 break;
2384         default:
2385                 xgi_video_info.video_cmap_len = 16;
2386                 printk(KERN_INFO "XGIfb: Unsupported depth %d",
2387                        xgi_video_info.video_bpp);
2388                 break;
2389         }
2390
2391         printk(KERN_INFO "XGIfb: Default mode is %dx%dx%d (%dHz)\n",
2392                xgi_video_info.video_width,
2393                xgi_video_info.video_height,
2394                xgi_video_info.video_bpp,
2395                xgi_video_info.refresh_rate);
2396
2397         default_var.xres =
2398                 default_var.xres_virtual =
2399                         xgi_video_info.video_width;
2400         default_var.yres =
2401                 default_var.yres_virtual =
2402                         xgi_video_info.video_height;
2403         default_var.bits_per_pixel = xgi_video_info.video_bpp;
2404
2405         XGIfb_bpp_to_var(&default_var);
2406
2407         default_var.pixclock = (u32) (1000000000 /
2408                         XGIfb_mode_rate_to_dclock(&XGI_Pr, &XGIhw_ext,
2409                                         XGIfb_mode_no, XGIfb_rate_idx));
2410
2411         if (XGIfb_mode_rate_to_ddata(&XGI_Pr, &XGIhw_ext,
2412                 XGIfb_mode_no, XGIfb_rate_idx,
2413                 &default_var.left_margin, &default_var.right_margin,
2414                 &default_var.upper_margin, &default_var.lower_margin,
2415                 &default_var.hsync_len, &default_var.vsync_len,
2416                 &default_var.sync, &default_var.vmode)) {
2417
2418                 if ((default_var.vmode & FB_VMODE_MASK) ==
2419                     FB_VMODE_INTERLACED) {
2420                         default_var.yres <<= 1;
2421                         default_var.yres_virtual <<= 1;
2422                 } else if ((default_var.vmode & FB_VMODE_MASK) ==
2423                            FB_VMODE_DOUBLE) {
2424                         default_var.pixclock >>= 1;
2425                         default_var.yres >>= 1;
2426                         default_var.yres_virtual >>= 1;
2427                 }
2428
2429         }
2430
2431         fb_info->flags = FBINFO_FLAG_DEFAULT;
2432         fb_info->var = default_var;
2433         fb_info->fix = XGIfb_fix;
2434         fb_info->par = &xgi_video_info;
2435         fb_info->screen_base = xgi_video_info.video_vbase;
2436         fb_info->fbops = &XGIfb_ops;
2437         XGIfb_get_fix(&fb_info->fix, -1, fb_info);
2438         fb_info->pseudo_palette = pseudo_palette;
2439
2440         fb_alloc_cmap(&fb_info->cmap, 256 , 0);
2441
2442 #ifdef CONFIG_MTRR
2443         xgi_video_info.mtrr = mtrr_add(
2444                 (unsigned int) xgi_video_info.video_base,
2445                 (unsigned int) xgi_video_info.video_size,
2446                 MTRR_TYPE_WRCOMB, 1);
2447         if (xgi_video_info.mtrr)
2448                 printk(KERN_INFO "XGIfb: Added MTRRs\n");
2449 #endif
2450
2451         if (register_framebuffer(fb_info) < 0) {
2452                 ret = -EINVAL;
2453                 goto error_1;
2454         }
2455
2456         dumpVGAReg();
2457
2458         return 0;
2459
2460 error_1:
2461         iounmap(xgi_video_info.mmio_vbase);
2462         iounmap(xgi_video_info.video_vbase);
2463         release_mem_region(xgi_video_info.mmio_base, xgi_video_info.mmio_size);
2464 error_0:
2465         release_mem_region(xgi_video_info.video_base,
2466                            xgi_video_info.video_size);
2467 error:
2468         vfree(XGIhw_ext.pjVirtualRomBase);
2469         framebuffer_release(fb_info);
2470         return ret;
2471 }
2472
2473 /*****************************************************/
2474 /*                PCI DEVICE HANDLING                */
2475 /*****************************************************/
2476
2477 static void __devexit xgifb_remove(struct pci_dev *pdev)
2478 {
2479         unregister_framebuffer(fb_info);
2480         iounmap(xgi_video_info.mmio_vbase);
2481         iounmap(xgi_video_info.video_vbase);
2482         release_mem_region(xgi_video_info.mmio_base, xgi_video_info.mmio_size);
2483         release_mem_region(xgi_video_info.video_base,
2484                            xgi_video_info.video_size);
2485         vfree(XGIhw_ext.pjVirtualRomBase);
2486         framebuffer_release(fb_info);
2487         pci_set_drvdata(pdev, NULL);
2488 }
2489
2490 static struct pci_driver xgifb_driver = {
2491         .name = "xgifb",
2492         .id_table = xgifb_pci_table,
2493         .probe = xgifb_probe,
2494         .remove = __devexit_p(xgifb_remove)
2495 };
2496
2497 static int __init xgifb_init(void)
2498 {
2499         char *option = NULL;
2500
2501         if (fb_get_options("xgifb", &option))
2502                 return -ENODEV;
2503         XGIfb_setup(option);
2504
2505         return pci_register_driver(&xgifb_driver);
2506 }
2507
2508 #ifndef MODULE
2509 module_init(xgifb_init);
2510 #endif
2511
2512 /*****************************************************/
2513 /*                      MODULE                       */
2514 /*****************************************************/
2515
2516 #ifdef MODULE
2517
2518 static char *mode;
2519 static int vesa;
2520
2521 MODULE_DESCRIPTION("Z7 Z9 Z9S Z11 framebuffer device driver");
2522 MODULE_LICENSE("GPL");
2523 MODULE_AUTHOR("XGITECH , Others");
2524
2525 module_param(mode, charp, 0);
2526 module_param(vesa, int, 0);
2527 module_param(filter, int, 0);
2528
2529 MODULE_PARM_DESC(mode,
2530                 "\nSelects the desired default display mode in the format XxYxDepth,\n"
2531                 "eg. 1024x768x16. Other formats supported include XxY-Depth and\n"
2532                 "XxY-Depth@Rate. If the parameter is only one (decimal or hexadecimal)\n"
2533                 "number, it will be interpreted as a VESA mode number. (default: 800x600x8)\n");
2534
2535 MODULE_PARM_DESC(vesa,
2536                 "\nSelects the desired default display mode by VESA defined mode number, eg.\n"
2537                 "0x117 (default: 0x0103)\n");
2538
2539 MODULE_PARM_DESC(filter,
2540                 "\nSelects TV flicker filter type (only for systems with a SiS301 video bridge).\n"
2541                 "(Possible values 0-7, default: [no filter])\n");
2542
2543 static int __init xgifb_init_module(void)
2544 {
2545         printk("\nXGIfb_init_module");
2546         if (mode)
2547                 XGIfb_search_mode(mode);
2548         else if (vesa != -1)
2549                 XGIfb_search_vesamode(vesa);
2550
2551         return xgifb_init();
2552 }
2553
2554 static void __exit xgifb_remove_module(void)
2555 {
2556         pci_unregister_driver(&xgifb_driver);
2557         printk(KERN_DEBUG "xgifb: Module unloaded\n");
2558 }
2559
2560 module_init(xgifb_init_module);
2561 module_exit(xgifb_remove_module);
2562
2563 #endif  /*  /MODULE  */