drivers/video/sis/sis_main.c

   1 /*
   2  * SiS 300/540/630[S]/730[S],
   3  * SiS 315[E|PRO]/550/[M]65x/[M]66x[F|M|G]X/[M]74x[GX]/330/[M]76x[GX],
   4  * XGI V3XT/V5/V8, Z7
   5  * frame buffer driver for Linux kernels >= 2.4.14 and >=2.6.3
   6  *
   7  * Copyright (C) 2001-2005 Thomas Winischhofer, Vienna, Austria.
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the named License,
  12  * or any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
  22  *
  23  * Author:      Thomas Winischhofer <thomas@winischhofer.net>
  24  *
  25  * Author of (practically wiped) code base:
  26  *              SiS (www.sis.com)
  27  *              Copyright (C) 1999 Silicon Integrated Systems, Inc.
  28  *
  29  * See http://www.winischhofer.net/ for more information and updates
  30  *
  31  * Originally based on the VBE 2.0 compliant graphic boards framebuffer driver,
  32  * which is (c) 1998 Gerd Knorr <kraxel@goldbach.in-berlin.de>
  33  *
  34  */
  35
  36 #include <linux/module.h>
  37 #include <linux/moduleparam.h>
  38 #include <linux/kernel.h>
  39 #include <linux/spinlock.h>
  40 #include <linux/errno.h>
  41 #include <linux/string.h>
  42 #include <linux/mm.h>
  43 #include <linux/screen_info.h>
  44 #include <linux/slab.h>
  45 #include <linux/fb.h>
  46 #include <linux/selection.h>
  47 #include <linux/ioport.h>
  48 #include <linux/init.h>
  49 #include <linux/pci.h>
  50 #include <linux/vmalloc.h>
  51 #include <linux/capability.h>
  52 #include <linux/fs.h>
  53 #include <linux/types.h>
  54 #include <linux/uaccess.h>
  55 #include <asm/io.h>
  56 #ifdef CONFIG_MTRR
  57 #include <asm/mtrr.h>
  58 #endif
  59
  60 #include "sis.h"
  61 #include "sis_main.h"
  62
  63 #if !defined(CONFIG_FB_SIS_300) && !defined(CONFIG_FB_SIS_315)
  64 #warning Neither CONFIG_FB_SIS_300 nor CONFIG_FB_SIS_315 is set
  65 #warning sisfb will not work!
  66 #endif
  67
  68 static void sisfb_handle_command(struct sis_video_info *ivideo,
  69                                  struct sisfb_cmd *sisfb_command);
  70
  71 /* ------------------ Internal helper routines ----------------- */
  72
  73 static void __init
  74 sisfb_setdefaultparms(void)
  75 {
  76         sisfb_off               = 0;
  77         sisfb_parm_mem          = 0;
  78         sisfb_accel             = -1;
  79         sisfb_ypan              = -1;
  80         sisfb_max               = -1;
  81         sisfb_userom            = -1;
  82         sisfb_useoem            = -1;
  83         sisfb_mode_idx          = -1;
  84         sisfb_parm_rate         = -1;
  85         sisfb_crt1off           = 0;
  86         sisfb_forcecrt1         = -1;
  87         sisfb_crt2type          = -1;
  88         sisfb_crt2flags         = 0;
  89         sisfb_pdc               = 0xff;
  90         sisfb_pdca              = 0xff;
  91         sisfb_scalelcd          = -1;
  92         sisfb_specialtiming     = CUT_NONE;
  93         sisfb_lvdshl            = -1;
  94         sisfb_dstn              = 0;
  95         sisfb_fstn              = 0;
  96         sisfb_tvplug            = -1;
  97         sisfb_tvstd             = -1;
  98         sisfb_tvxposoffset      = 0;
  99         sisfb_tvyposoffset      = 0;
 100         sisfb_nocrt2rate        = 0;
 101 #if !defined(__i386__) && !defined(__x86_64__)
 102         sisfb_resetcard         = 0;
 103         sisfb_videoram          = 0;
 104 #endif
 105 }
 106
 107 /* ------------- Parameter parsing -------------- */
 108
 109 static void __devinit
 110 sisfb_search_vesamode(unsigned int vesamode, bool quiet)
 111 {
 112         int i = 0, j = 0;
 113
 114         /* We don't know the hardware specs yet and there is no ivideo */
 115
 116         if(vesamode == 0) {
 117                 if(!quiet)
 118                         printk(KERN_ERR "sisfb: Invalid mode. Using default.\n");
 119
 120                 sisfb_mode_idx = DEFAULT_MODE;
 121
 122                 return;
 123         }
 124
 125         vesamode &= 0x1dff;  /* Clean VESA mode number from other flags */
 126
 127         while(sisbios_mode[i++].mode_no[0] != 0) {
 128                 if( (sisbios_mode[i-1].vesa_mode_no_1 == vesamode) ||
 129                     (sisbios_mode[i-1].vesa_mode_no_2 == vesamode) ) {
 130                         if(sisfb_fstn) {
 131                                 if(sisbios_mode[i-1].mode_no[1] == 0x50 ||
 132                                    sisbios_mode[i-1].mode_no[1] == 0x56 ||
 133                                    sisbios_mode[i-1].mode_no[1] == 0x53)
 134                                         continue;
 135                         } else {
 136                                 if(sisbios_mode[i-1].mode_no[1] == 0x5a ||
 137                                    sisbios_mode[i-1].mode_no[1] == 0x5b)
 138                                         continue;
 139                         }
 140                         sisfb_mode_idx = i - 1;
 141                         j = 1;
 142                         break;
 143                 }
 144         }
 145         if((!j) && !quiet)
 146                 printk(KERN_ERR "sisfb: Invalid VESA mode 0x%x'\n", vesamode);
 147 }
 148
 149 static void __devinit
 150 sisfb_search_mode(char *name, bool quiet)
 151 {
 152         unsigned int j = 0, xres = 0, yres = 0, depth = 0, rate = 0;
 153         int i = 0;
 154         char strbuf[16], strbuf1[20];
 155         char *nameptr = name;
 156
 157         /* We don't know the hardware specs yet and there is no ivideo */
 158
 159         if(name == NULL) {
 160                 if(!quiet)
 161                         printk(KERN_ERR "sisfb: Internal error, using default mode.\n");
 162
 163                 sisfb_mode_idx = DEFAULT_MODE;
 164                 return;
 165         }
 166
 167         if(!strnicmp(name, sisbios_mode[MODE_INDEX_NONE].name, strlen(name))) {
 168                 if(!quiet)
 169                         printk(KERN_ERR "sisfb: Mode 'none' not supported anymore. Using default.\n");
 170
 171                 sisfb_mode_idx = DEFAULT_MODE;
 172                 return;
 173         }
 174
 175         if(strlen(name) <= 19) {
 176                 strcpy(strbuf1, name);
 177                 for(i = 0; i < strlen(strbuf1); i++) {
 178                         if(strbuf1[i] < '0' || strbuf1[i] > '9') strbuf1[i] = ' ';
 179                 }
 180
 181                 /* This does some fuzzy mode naming detection */
 182                 if(sscanf(strbuf1, "%u %u %u %u", &xres, &yres, &depth, &rate) == 4) {
 183                         if((rate <= 32) || (depth > 32)) {
 184                                 j = rate; rate = depth; depth = j;
 185                         }
 186                         sprintf(strbuf, "%ux%ux%u", xres, yres, depth);
 187                         nameptr = strbuf;
 188                         sisfb_parm_rate = rate;
 189                 } else if(sscanf(strbuf1, "%u %u %u", &xres, &yres, &depth) == 3) {
 190                         sprintf(strbuf, "%ux%ux%u", xres, yres, depth);
 191                         nameptr = strbuf;
 192                 } else {
 193                         xres = 0;
 194                         if((sscanf(strbuf1, "%u %u", &xres, &yres) == 2) && (xres != 0)) {
 195                                 sprintf(strbuf, "%ux%ux8", xres, yres);
 196                                 nameptr = strbuf;
 197                         } else {
 198                                 sisfb_search_vesamode(simple_strtoul(name, NULL, 0), quiet);
 199                                 return;
 200                         }
 201                 }
 202         }
 203
 204         i = 0; j = 0;
 205         while(sisbios_mode[i].mode_no[0] != 0) {
 206                 if(!strnicmp(nameptr, sisbios_mode[i++].name, strlen(nameptr))) {
 207                         if(sisfb_fstn) {
 208                                 if(sisbios_mode[i-1].mode_no[1] == 0x50 ||
 209                                    sisbios_mode[i-1].mode_no[1] == 0x56 ||
 210                                    sisbios_mode[i-1].mode_no[1] == 0x53)
 211                                         continue;
 212                         } else {
 213                                 if(sisbios_mode[i-1].mode_no[1] == 0x5a ||
 214                                    sisbios_mode[i-1].mode_no[1] == 0x5b)
 215                                         continue;
 216                         }
 217                         sisfb_mode_idx = i - 1;
 218                         j = 1;
 219                         break;
 220                 }
 221         }
 222
 223         if((!j) && !quiet)
 224                 printk(KERN_ERR "sisfb: Invalid mode '%s'\n", nameptr);
 225 }
 226
 227 #ifndef MODULE
 228 static void __devinit
 229 sisfb_get_vga_mode_from_kernel(void)
 230 {
 231 #ifdef CONFIG_X86
 232         char mymode[32];
 233         int  mydepth = screen_info.lfb_depth;
 234
 235         if(screen_info.orig_video_isVGA != VIDEO_TYPE_VLFB) return;
 236
 237         if( (screen_info.lfb_width >= 320) && (screen_info.lfb_width <= 2048) &&
 238             (screen_info.lfb_height >= 200) && (screen_info.lfb_height <= 1536) &&
 239             (mydepth >= 8) && (mydepth <= 32) ) {
 240
 241                 if(mydepth == 24) mydepth = 32;
 242
 243                 sprintf(mymode, "%ux%ux%u", screen_info.lfb_width,
 244                                         screen_info.lfb_height,
 245                                         mydepth);
 246
 247                 printk(KERN_DEBUG
 248                         "sisfb: Using vga mode %s pre-set by kernel as default\n",
 249                         mymode);
 250
 251                 sisfb_search_mode(mymode, true);
 252         }
 253 #endif
 254         return;
 255 }
 256 #endif
 257
 258 static void __init
 259 sisfb_search_crt2type(const char *name)
 260 {
 261         int i = 0;
 262
 263         /* We don't know the hardware specs yet and there is no ivideo */
 264
 265         if(name == NULL) return;
 266
 267         while(sis_crt2type[i].type_no != -1) {
 268                 if(!strnicmp(name, sis_crt2type[i].name, strlen(sis_crt2type[i].name))) {
 269                         sisfb_crt2type = sis_crt2type[i].type_no;
 270                         sisfb_tvplug = sis_crt2type[i].tvplug_no;
 271                         sisfb_crt2flags = sis_crt2type[i].flags;
 272                         break;
 273                 }
 274                 i++;
 275         }
 276
 277         sisfb_dstn = (sisfb_crt2flags & FL_550_DSTN) ? 1 : 0;
 278         sisfb_fstn = (sisfb_crt2flags & FL_550_FSTN) ? 1 : 0;
 279
 280         if(sisfb_crt2type < 0)
 281                 printk(KERN_ERR "sisfb: Invalid CRT2 type: %s\n", name);
 282 }
 283
 284 static void __init
 285 sisfb_search_tvstd(const char *name)
 286 {
 287         int i = 0;
 288
 289         /* We don't know the hardware specs yet and there is no ivideo */
 290
 291         if(name == NULL)
 292                 return;
 293
 294         while(sis_tvtype[i].type_no != -1) {
 295                 if(!strnicmp(name, sis_tvtype[i].name, strlen(sis_tvtype[i].name))) {
 296                         sisfb_tvstd = sis_tvtype[i].type_no;
 297                         break;
 298                 }
 299                 i++;
 300         }
 301 }
 302
 303 static void __init
 304 sisfb_search_specialtiming(const char *name)
 305 {
 306         int i = 0;
 307         bool found = false;
 308
 309         /* We don't know the hardware specs yet and there is no ivideo */
 310
 311         if(name == NULL)
 312                 return;
 313
 314         if(!strnicmp(name, "none", 4)) {
 315                 sisfb_specialtiming = CUT_FORCENONE;
 316                 printk(KERN_DEBUG "sisfb: Special timing disabled\n");
 317         } else {
 318                 while(mycustomttable[i].chipID != 0) {
 319                         if(!strnicmp(name,mycustomttable[i].optionName,
 320                            strlen(mycustomttable[i].optionName))) {
 321                                 sisfb_specialtiming = mycustomttable[i].SpecialID;
 322                                 found = true;
 323                                 printk(KERN_INFO "sisfb: Special timing for %s %s forced (\"%s\")\n",
 324                                         mycustomttable[i].vendorName,
 325                                         mycustomttable[i].cardName,
 326                                         mycustomttable[i].optionName);
 327                                 break;
 328                         }
 329                         i++;
 330                 }
 331                 if(!found) {
 332                         printk(KERN_WARNING "sisfb: Invalid SpecialTiming parameter, valid are:");
 333                         printk(KERN_WARNING "\t\"none\" (to disable special timings)\n");
 334                         i = 0;
 335                         while(mycustomttable[i].chipID != 0) {
 336                                 printk(KERN_WARNING "\t\"%s\" (for %s %s)\n",
 337                                         mycustomttable[i].optionName,
 338                                         mycustomttable[i].vendorName,
 339                                         mycustomttable[i].cardName);
 340                                 i++;
 341                         }
 342                 }
 343         }
 344 }
 345
 346 /* ----------- Various detection routines ----------- */
 347
 348 static void __devinit
 349 sisfb_detect_custom_timing(struct sis_video_info *ivideo)
 350 {
 351         unsigned char *biosver = NULL;
 352         unsigned char *biosdate = NULL;
 353         bool footprint;
 354         u32 chksum = 0;
 355         int i, j;
 356
 357         if(ivideo->SiS_Pr.UseROM) {
 358                 biosver = ivideo->SiS_Pr.VirtualRomBase + 0x06;
 359                 biosdate = ivideo->SiS_Pr.VirtualRomBase + 0x2c;
 360                 for(i = 0; i < 32768; i++)
 361                         chksum += ivideo->SiS_Pr.VirtualRomBase[i];
 362         }
 363
 364         i = 0;
 365         do {
 366                 if( (mycustomttable[i].chipID == ivideo->chip)                  &&
 367                     ((!strlen(mycustomttable[i].biosversion)) ||
 368                      (ivideo->SiS_Pr.UseROM &&
 369                       (!strncmp(mycustomttable[i].biosversion, biosver,
 370                                 strlen(mycustomttable[i].biosversion)))))       &&
 371                     ((!strlen(mycustomttable[i].biosdate)) ||
 372                      (ivideo->SiS_Pr.UseROM &&
 373                       (!strncmp(mycustomttable[i].biosdate, biosdate,
 374                                 strlen(mycustomttable[i].biosdate)))))          &&
 375                     ((!mycustomttable[i].bioschksum) ||
 376                      (ivideo->SiS_Pr.UseROM &&
 377                       (mycustomttable[i].bioschksum == chksum)))                &&
 378                     (mycustomttable[i].pcisubsysvendor == ivideo->subsysvendor) &&
 379                     (mycustomttable[i].pcisubsyscard == ivideo->subsysdevice) ) {
 380                         footprint = true;
 381                         for(j = 0; j < 5; j++) {
 382                                 if(mycustomttable[i].biosFootprintAddr[j]) {
 383                                         if(ivideo->SiS_Pr.UseROM) {
 384                                                 if(ivideo->SiS_Pr.VirtualRomBase[mycustomttable[i].biosFootprintAddr[j]] !=
 385                                                         mycustomttable[i].biosFootprintData[j]) {
 386                                                         footprint = false;
 387                                                 }
 388                                         } else
 389                                                 footprint = false;
 390                                 }
 391                         }
 392                         if(footprint) {
 393                                 ivideo->SiS_Pr.SiS_CustomT = mycustomttable[i].SpecialID;
 394                                 printk(KERN_DEBUG "sisfb: Identified [%s %s], special timing applies\n",
 395                                         mycustomttable[i].vendorName,
 396                                 mycustomttable[i].cardName);
 397                                 printk(KERN_DEBUG "sisfb: [specialtiming parameter name: %s]\n",
 398                                         mycustomttable[i].optionName);
 399                                 break;
 400                         }
 401                 }
 402                 i++;
 403         } while(mycustomttable[i].chipID);
 404 }
 405
 406 static bool __devinit
 407 sisfb_interpret_edid(struct sisfb_monitor *monitor, u8 *buffer)
 408 {
 409         int i, j, xres, yres, refresh, index;
 410         u32 emodes;
 411
 412         if(buffer[0] != 0x00 || buffer[1] != 0xff ||
 413            buffer[2] != 0xff || buffer[3] != 0xff ||
 414            buffer[4] != 0xff || buffer[5] != 0xff ||
 415            buffer[6] != 0xff || buffer[7] != 0x00) {
 416                 printk(KERN_DEBUG "sisfb: Bad EDID header\n");
 417                 return false;
 418         }
 419
 420         if(buffer[0x12] != 0x01) {
 421                 printk(KERN_INFO "sisfb: EDID version %d not supported\n",
 422                         buffer[0x12]);
 423                 return false;
 424         }
 425
 426         monitor->feature = buffer[0x18];
 427
 428         if(!(buffer[0x14] & 0x80)) {
 429                 if(!(buffer[0x14] & 0x08)) {
 430                         printk(KERN_INFO
 431                                 "sisfb: WARNING: Monitor does not support separate syncs\n");
 432                 }
 433         }
 434
 435         if(buffer[0x13] >= 0x01) {
 436            /* EDID V1 rev 1 and 2: Search for monitor descriptor
 437             * to extract ranges
 438             */
 439             j = 0x36;
 440             for(i=0; i<4; i++) {
 441                if(buffer[j]     == 0x00 && buffer[j + 1] == 0x00 &&
 442                   buffer[j + 2] == 0x00 && buffer[j + 3] == 0xfd &&
 443                   buffer[j + 4] == 0x00) {
 444                   monitor->hmin = buffer[j + 7];
 445                   monitor->hmax = buffer[j + 8];
 446                   monitor->vmin = buffer[j + 5];
 447                   monitor->vmax = buffer[j + 6];
 448                   monitor->dclockmax = buffer[j + 9] * 10 * 1000;
 449                   monitor->datavalid = true;
 450                   break;
 451                }
 452                j += 18;
 453             }
 454         }
 455
 456         if(!monitor->datavalid) {
 457            /* Otherwise: Get a range from the list of supported
 458             * Estabished Timings. This is not entirely accurate,
 459             * because fixed frequency monitors are not supported
 460             * that way.
 461             */
 462            monitor->hmin = 65535; monitor->hmax = 0;
 463            monitor->vmin = 65535; monitor->vmax = 0;
 464            monitor->dclockmax = 0;
 465            emodes = buffer[0x23] | (buffer[0x24] << 8) | (buffer[0x25] << 16);
 466            for(i = 0; i < 13; i++) {
 467               if(emodes & sisfb_ddcsmodes[i].mask) {
 468                  if(monitor->hmin > sisfb_ddcsmodes[i].h) monitor->hmin = sisfb_ddcsmodes[i].h;
 469                  if(monitor->hmax < sisfb_ddcsmodes[i].h) monitor->hmax = sisfb_ddcsmodes[i].h + 1;
 470                  if(monitor->vmin > sisfb_ddcsmodes[i].v) monitor->vmin = sisfb_ddcsmodes[i].v;
 471                  if(monitor->vmax < sisfb_ddcsmodes[i].v) monitor->vmax = sisfb_ddcsmodes[i].v;
 472                  if(monitor->dclockmax < sisfb_ddcsmodes[i].d) monitor->dclockmax = sisfb_ddcsmodes[i].d;
 473               }
 474            }
 475            index = 0x26;
 476            for(i = 0; i < 8; i++) {
 477               xres = (buffer[index] + 31) * 8;
 478               switch(buffer[index + 1] & 0xc0) {
 479                  case 0xc0: yres = (xres * 9) / 16; break;
 480                  case 0x80: yres = (xres * 4) /  5; break;
 481                  case 0x40: yres = (xres * 3) /  4; break;
 482                  default:   yres = xres;            break;
 483               }
 484               refresh = (buffer[index + 1] & 0x3f) + 60;
 485               if((xres >= 640) && (yres >= 480)) {
 486                  for(j = 0; j < 8; j++) {
 487                     if((xres == sisfb_ddcfmodes[j].x) &&
 488                        (yres == sisfb_ddcfmodes[j].y) &&
 489                        (refresh == sisfb_ddcfmodes[j].v)) {
 490                       if(monitor->hmin > sisfb_ddcfmodes[j].h) monitor->hmin = sisfb_ddcfmodes[j].h;
 491                       if(monitor->hmax < sisfb_ddcfmodes[j].h) monitor->hmax = sisfb_ddcfmodes[j].h + 1;
 492                       if(monitor->vmin > sisfb_ddcsmodes[j].v) monitor->vmin = sisfb_ddcsmodes[j].v;
 493                       if(monitor->vmax < sisfb_ddcsmodes[j].v) monitor->vmax = sisfb_ddcsmodes[j].v;
 494                       if(monitor->dclockmax < sisfb_ddcsmodes[j].d) monitor->dclockmax = sisfb_ddcsmodes[j].d;
 495                     }
 496                  }
 497               }
 498               index += 2;
 499            }
 500            if((monitor->hmin <= monitor->hmax) && (monitor->vmin <= monitor->vmax)) {
 501               monitor->datavalid = true;
 502            }
 503         }
 504
 505         return monitor->datavalid;
 506 }
 507
 508 static void __devinit
 509 sisfb_handle_ddc(struct sis_video_info *ivideo, struct sisfb_monitor *monitor, int crtno)
 510 {
 511         unsigned short temp, i, realcrtno = crtno;
 512         unsigned char  buffer[256];
 513
 514         monitor->datavalid = false;
 515
 516         if(crtno) {
 517            if(ivideo->vbflags & CRT2_LCD)      realcrtno = 1;
 518            else if(ivideo->vbflags & CRT2_VGA) realcrtno = 2;
 519            else return;
 520         }
 521
 522         if((ivideo->sisfb_crt1off) && (!crtno))
 523                 return;
 524
 525         temp = SiS_HandleDDC(&ivideo->SiS_Pr, ivideo->vbflags, ivideo->sisvga_engine,
 526                                 realcrtno, 0, &buffer[0], ivideo->vbflags2);
 527         if((!temp) || (temp == 0xffff)) {
 528            printk(KERN_INFO "sisfb: CRT%d DDC probing failed\n", crtno + 1);
 529            return;
 530         } else {
 531            printk(KERN_INFO "sisfb: CRT%d DDC supported\n", crtno + 1);
 532            printk(KERN_INFO "sisfb: CRT%d DDC level: %s%s%s%s\n",
 533                 crtno + 1,
 534                 (temp & 0x1a) ? "" : "[none of the supported]",
 535                 (temp & 0x02) ? "2 " : "",
 536                 (temp & 0x08) ? "D&P" : "",
 537                 (temp & 0x10) ? "FPDI-2" : "");
 538            if(temp & 0x02) {
 539               i = 3;  /* Number of retrys */
 540               do {
 541                  temp = SiS_HandleDDC(&ivideo->SiS_Pr, ivideo->vbflags, ivideo->sisvga_engine,
 542                                      realcrtno, 1, &buffer[0], ivideo->vbflags2);
 543               } while((temp) && i--);
 544               if(!temp) {
 545                  if(sisfb_interpret_edid(monitor, &buffer[0])) {
 546                     printk(KERN_INFO "sisfb: Monitor range H %d-%dKHz, V %d-%dHz, Max. dotclock %dMHz\n",
 547                         monitor->hmin, monitor->hmax, monitor->vmin, monitor->vmax,
 548                         monitor->dclockmax / 1000);
 549                  } else {
 550                     printk(KERN_INFO "sisfb: CRT%d DDC EDID corrupt\n", crtno + 1);
 551                  }
 552               } else {
 553                  printk(KERN_INFO "sisfb: CRT%d DDC reading failed\n", crtno + 1);
 554               }
 555            } else {
 556               printk(KERN_INFO "sisfb: VESA D&P and FPDI-2 not supported yet\n");
 557            }
 558         }
 559 }
 560
 561 /* -------------- Mode validation --------------- */
 562
 563 static bool
 564 sisfb_verify_rate(struct sis_video_info *ivideo, struct sisfb_monitor *monitor,
 565                 int mode_idx, int rate_idx, int rate)
 566 {
 567         int htotal, vtotal;
 568         unsigned int dclock, hsync;
 569
 570         if(!monitor->datavalid)
 571                 return true;
 572
 573         if(mode_idx < 0)
 574                 return false;
 575
 576         /* Skip for 320x200, 320x240, 640x400 */
 577         switch(sisbios_mode[mode_idx].mode_no[ivideo->mni]) {
 578         case 0x59:
 579         case 0x41:
 580         case 0x4f:
 581         case 0x50:
 582         case 0x56:
 583         case 0x53:
 584         case 0x2f:
 585         case 0x5d:
 586         case 0x5e:
 587                 return true;
 588 #ifdef CONFIG_FB_SIS_315
 589         case 0x5a:
 590         case 0x5b:
 591                 if(ivideo->sisvga_engine == SIS_315_VGA) return true;
 592 #endif
 593         }
 594
 595         if(rate < (monitor->vmin - 1))
 596                 return false;
 597         if(rate > (monitor->vmax + 1))
 598                 return false;
 599
 600         if(sisfb_gettotalfrommode(&ivideo->SiS_Pr,
 601                                   sisbios_mode[mode_idx].mode_no[ivideo->mni],
 602                                   &htotal, &vtotal, rate_idx)) {
 603                 dclock = (htotal * vtotal * rate) / 1000;
 604                 if(dclock > (monitor->dclockmax + 1000))
 605                         return false;
 606                 hsync = dclock / htotal;
 607                 if(hsync < (monitor->hmin - 1))
 608                         return false;
 609                 if(hsync > (monitor->hmax + 1))
 610                         return false;
 611         } else {
 612                 return false;
 613         }
 614         return true;
 615 }
 616
 617 static int
 618 sisfb_validate_mode(struct sis_video_info *ivideo, int myindex, u32 vbflags)
 619 {
 620         u16 xres=0, yres, myres;
 621
 622 #ifdef CONFIG_FB_SIS_300
 623         if(ivideo->sisvga_engine == SIS_300_VGA) {
 624                 if(!(sisbios_mode[myindex].chipset & MD_SIS300))
 625                         return -1 ;
 626         }
 627 #endif
 628 #ifdef CONFIG_FB_SIS_315
 629         if(ivideo->sisvga_engine == SIS_315_VGA) {
 630                 if(!(sisbios_mode[myindex].chipset & MD_SIS315))
 631                         return -1;
 632         }
 633 #endif
 634
 635         myres = sisbios_mode[myindex].yres;
 636
 637         switch(vbflags & VB_DISPTYPE_DISP2) {
 638
 639         case CRT2_LCD:
 640                 xres = ivideo->lcdxres; yres = ivideo->lcdyres;
 641
 642                 if((ivideo->SiS_Pr.SiS_CustomT != CUT_PANEL848) &&
 643                    (ivideo->SiS_Pr.SiS_CustomT != CUT_PANEL856)) {
 644                         if(sisbios_mode[myindex].xres > xres)
 645                                 return -1;
 646                         if(myres > yres)
 647                                 return -1;
 648                 }
 649
 650                 if(ivideo->sisfb_fstn) {
 651                         if(sisbios_mode[myindex].xres == 320) {
 652                                 if(myres == 240) {
 653                                         switch(sisbios_mode[myindex].mode_no[1]) {
 654                                                 case 0x50: myindex = MODE_FSTN_8;  break;
 655                                                 case 0x56: myindex = MODE_FSTN_16; break;
 656                                                 case 0x53: return -1;
 657                                         }
 658                                 }
 659                         }
 660                 }
 661
 662                 if(SiS_GetModeID_LCD(ivideo->sisvga_engine, vbflags, sisbios_mode[myindex].xres,
 663                                 sisbios_mode[myindex].yres, 0, ivideo->sisfb_fstn,
 664                                 ivideo->SiS_Pr.SiS_CustomT, xres, yres, ivideo->vbflags2) < 0x14) {
 665                         return -1;
 666                 }
 667                 break;
 668
 669         case CRT2_TV:
 670                 if(SiS_GetModeID_TV(ivideo->sisvga_engine, vbflags, sisbios_mode[myindex].xres,
 671                                 sisbios_mode[myindex].yres, 0, ivideo->vbflags2) < 0x14) {
 672                         return -1;
 673                 }
 674                 break;
 675
 676         case CRT2_VGA:
 677                 if(SiS_GetModeID_VGA2(ivideo->sisvga_engine, vbflags, sisbios_mode[myindex].xres,
 678                                 sisbios_mode[myindex].yres, 0, ivideo->vbflags2) < 0x14) {
 679                         return -1;
 680                 }
 681                 break;
 682         }
 683
 684         return myindex;
 685 }
 686
 687 static u8
 688 sisfb_search_refresh_rate(struct sis_video_info *ivideo, unsigned int rate, int mode_idx)
 689 {
 690         int i = 0;
 691         u16 xres = sisbios_mode[mode_idx].xres;
 692         u16 yres = sisbios_mode[mode_idx].yres;
 693
 694         ivideo->rate_idx = 0;
 695         while((sisfb_vrate[i].idx != 0) && (sisfb_vrate[i].xres <= xres)) {
 696                 if((sisfb_vrate[i].xres == xres) && (sisfb_vrate[i].yres == yres)) {
 697                         if(sisfb_vrate[i].refresh == rate) {
 698                                 ivideo->rate_idx = sisfb_vrate[i].idx;
 699                                 break;
 700                         } else if(sisfb_vrate[i].refresh > rate) {
 701                                 if((sisfb_vrate[i].refresh - rate) <= 3) {
 702                                         DPRINTK("sisfb: Adjusting rate from %d up to %d\n",
 703                                                 rate, sisfb_vrate[i].refresh);
 704                                         ivideo->rate_idx = sisfb_vrate[i].idx;
 705                                         ivideo->refresh_rate = sisfb_vrate[i].refresh;
 706                                 } else if((sisfb_vrate[i].idx != 1) &&
 707                                                 ((rate - sisfb_vrate[i-1].refresh) <= 2)) {
 708                                         DPRINTK("sisfb: Adjusting rate from %d down to %d\n",
 709                                                 rate, sisfb_vrate[i-1].refresh);
 710                                         ivideo->rate_idx = sisfb_vrate[i-1].idx;
 711                                         ivideo->refresh_rate = sisfb_vrate[i-1].refresh;
 712                                 }
 713                                 break;
 714                         } else if((rate - sisfb_vrate[i].refresh) <= 2) {
 715                                 DPRINTK("sisfb: Adjusting rate from %d down to %d\n",
 716                                                 rate, sisfb_vrate[i].refresh);
 717                                 ivideo->rate_idx = sisfb_vrate[i].idx;
 718                                 break;
 719                         }
 720                 }
 721                 i++;
 722         }
 723         if(ivideo->rate_idx > 0) {
 724                 return ivideo->rate_idx;
 725         } else {
 726                 printk(KERN_INFO "sisfb: Unsupported rate %d for %dx%d\n",
 727                                 rate, xres, yres);
 728                 return 0;
 729         }
 730 }
 731
 732 static bool
 733 sisfb_bridgeisslave(struct sis_video_info *ivideo)
 734 {
 735         unsigned char P1_00;
 736
 737         if(!(ivideo->vbflags2 & VB2_VIDEOBRIDGE))
 738                 return false;
 739
 740         inSISIDXREG(SISPART1,0x00,P1_00);
 741         if( ((ivideo->sisvga_engine == SIS_300_VGA) && (P1_00 & 0xa0) == 0x20) ||
 742             ((ivideo->sisvga_engine == SIS_315_VGA) && (P1_00 & 0x50) == 0x10) ) {
 743                 return true;
 744         } else {
 745                 return false;
 746         }
 747 }
 748
 749 static bool
 750 sisfballowretracecrt1(struct sis_video_info *ivideo)
 751 {
 752         u8 temp;
 753
 754         inSISIDXREG(SISCR,0x17,temp);
 755         if(!(temp & 0x80))
 756                 return false;
 757
 758         inSISIDXREG(SISSR,0x1f,temp);
 759         if(temp & 0xc0)
 760                 return false;
 761
 762         return true;
 763 }
 764
 765 static bool
 766 sisfbcheckvretracecrt1(struct sis_video_info *ivideo)
 767 {
 768         if(!sisfballowretracecrt1(ivideo))
 769                 return false;
 770
 771         if(inSISREG(SISINPSTAT) & 0x08)
 772                 return true;
 773         else
 774                 return false;
 775 }
 776
 777 static void
 778 sisfbwaitretracecrt1(struct sis_video_info *ivideo)
 779 {
 780         int watchdog;
 781
 782         if(!sisfballowretracecrt1(ivideo))
 783                 return;
 784
 785         watchdog = 65536;
 786         while((!(inSISREG(SISINPSTAT) & 0x08)) && --watchdog);
 787         watchdog = 65536;
 788         while((inSISREG(SISINPSTAT) & 0x08) && --watchdog);
 789 }
 790
 791 static bool
 792 sisfbcheckvretracecrt2(struct sis_video_info *ivideo)
 793 {
 794         unsigned char temp, reg;
 795
 796         switch(ivideo->sisvga_engine) {
 797         case SIS_300_VGA: reg = 0x25; break;
 798         case SIS_315_VGA: reg = 0x30; break;
 799         default:          return false;
 800         }
 801
 802         inSISIDXREG(SISPART1, reg, temp);
 803         if(temp & 0x02)
 804                 return true;
 805         else
 806                 return false;
 807 }
 808
 809 static bool
 810 sisfb_CheckVBRetrace(struct sis_video_info *ivideo)
 811 {
 812         if(ivideo->currentvbflags & VB_DISPTYPE_DISP2) {
 813                 if(!sisfb_bridgeisslave(ivideo)) {
 814                         return sisfbcheckvretracecrt2(ivideo);
 815                 }
 816         }
 817         return sisfbcheckvretracecrt1(ivideo);
 818 }
 819
 820 static u32
 821 sisfb_setupvbblankflags(struct sis_video_info *ivideo, u32 *vcount, u32 *hcount)
 822 {
 823         u8 idx, reg1, reg2, reg3, reg4;
 824         u32 ret = 0;
 825
 826         (*vcount) = (*hcount) = 0;
 827
 828         if((ivideo->currentvbflags & VB_DISPTYPE_DISP2) && (!(sisfb_bridgeisslave(ivideo)))) {
 829
 830                 ret |= (FB_VBLANK_HAVE_VSYNC  |
 831                         FB_VBLANK_HAVE_HBLANK |
 832                         FB_VBLANK_HAVE_VBLANK |
 833                         FB_VBLANK_HAVE_VCOUNT |
 834                         FB_VBLANK_HAVE_HCOUNT);
 835                 switch(ivideo->sisvga_engine) {
 836                         case SIS_300_VGA: idx = 0x25; break;
 837                         default:
 838                         case SIS_315_VGA: idx = 0x30; break;
 839                 }
 840                 inSISIDXREG(SISPART1,(idx+0),reg1); /* 30 */
 841                 inSISIDXREG(SISPART1,(idx+1),reg2); /* 31 */
 842                 inSISIDXREG(SISPART1,(idx+2),reg3); /* 32 */
 843                 inSISIDXREG(SISPART1,(idx+3),reg4); /* 33 */
 844                 if(reg1 & 0x01) ret |= FB_VBLANK_VBLANKING;
 845                 if(reg1 & 0x02) ret |= FB_VBLANK_VSYNCING;
 846                 if(reg4 & 0x80) ret |= FB_VBLANK_HBLANKING;
 847                 (*vcount) = reg3 | ((reg4 & 0x70) << 4);
 848                 (*hcount) = reg2 | ((reg4 & 0x0f) << 8);
 849
 850         } else if(sisfballowretracecrt1(ivideo)) {
 851
 852                 ret |= (FB_VBLANK_HAVE_VSYNC  |
 853                         FB_VBLANK_HAVE_VBLANK |
 854                         FB_VBLANK_HAVE_VCOUNT |
 855                         FB_VBLANK_HAVE_HCOUNT);
 856                 reg1 = inSISREG(SISINPSTAT);
 857                 if(reg1 & 0x08) ret |= FB_VBLANK_VSYNCING;
 858                 if(reg1 & 0x01) ret |= FB_VBLANK_VBLANKING;
 859                 inSISIDXREG(SISCR,0x20,reg1);
 860                 inSISIDXREG(SISCR,0x1b,reg1);
 861                 inSISIDXREG(SISCR,0x1c,reg2);
 862                 inSISIDXREG(SISCR,0x1d,reg3);
 863                 (*vcount) = reg2 | ((reg3 & 0x07) << 8);
 864                 (*hcount) = (reg1 | ((reg3 & 0x10) << 4)) << 3;
 865         }
 866
 867         return ret;
 868 }
 869
 870 static int
 871 sisfb_myblank(struct sis_video_info *ivideo, int blank)
 872 {
 873         u8 sr01, sr11, sr1f, cr63=0, p2_0, p1_13;
 874         bool backlight = true;
 875
 876         switch(blank) {
 877                 case FB_BLANK_UNBLANK:  /* on */
 878                         sr01  = 0x00;
 879                         sr11  = 0x00;
 880                         sr1f  = 0x00;
 881                         cr63  = 0x00;
 882                         p2_0  = 0x20;
 883                         p1_13 = 0x00;
 884                         backlight = true;
 885                         break;
 886                 case FB_BLANK_NORMAL:   /* blank */
 887                         sr01  = 0x20;
 888                         sr11  = 0x00;
 889                         sr1f  = 0x00;
 890                         cr63  = 0x00;
 891                         p2_0  = 0x20;
 892                         p1_13 = 0x00;
 893                         backlight = true;
 894                         break;
 895                 case FB_BLANK_VSYNC_SUSPEND:    /* no vsync */
 896                         sr01  = 0x20;
 897                         sr11  = 0x08;
 898                         sr1f  = 0x80;
 899                         cr63  = 0x40;
 900                         p2_0  = 0x40;
 901                         p1_13 = 0x80;
 902                         backlight = false;
 903                         break;
 904                 case FB_BLANK_HSYNC_SUSPEND:    /* no hsync */
 905                         sr01  = 0x20;
 906                         sr11  = 0x08;
 907                         sr1f  = 0x40;
 908                         cr63  = 0x40;
 909                         p2_0  = 0x80;
 910                         p1_13 = 0x40;
 911                         backlight = false;
 912                         break;
 913                 case FB_BLANK_POWERDOWN:        /* off */
 914                         sr01  = 0x20;
 915                         sr11  = 0x08;
 916                         sr1f  = 0xc0;
 917                         cr63  = 0x40;
 918                         p2_0  = 0xc0;
 919                         p1_13 = 0xc0;
 920                         backlight = false;
 921                         break;
 922                 default:
 923                         return 1;
 924         }
 925
 926         if(ivideo->currentvbflags & VB_DISPTYPE_CRT1) {
 927
 928                 if( (!ivideo->sisfb_thismonitor.datavalid) ||
 929                     ((ivideo->sisfb_thismonitor.datavalid) &&
 930                      (ivideo->sisfb_thismonitor.feature & 0xe0))) {
 931
 932                         if(ivideo->sisvga_engine == SIS_315_VGA) {
 933                                 setSISIDXREG(SISCR, ivideo->SiS_Pr.SiS_MyCR63, 0xbf, cr63);
 934                         }
 935
 936                         if(!(sisfb_bridgeisslave(ivideo))) {
 937                                 setSISIDXREG(SISSR, 0x01, ~0x20, sr01);
 938                                 setSISIDXREG(SISSR, 0x1f, 0x3f, sr1f);
 939                         }
 940                 }
 941
 942         }
 943
 944         if(ivideo->currentvbflags & CRT2_LCD) {
 945
 946                 if(ivideo->vbflags2 & VB2_SISLVDSBRIDGE) {
 947                         if(backlight) {
 948                                 SiS_SiS30xBLOn(&ivideo->SiS_Pr);
 949                         } else {
 950                                 SiS_SiS30xBLOff(&ivideo->SiS_Pr);
 951                         }
 952                 } else if(ivideo->sisvga_engine == SIS_315_VGA) {
 953 #ifdef CONFIG_FB_SIS_315
 954                         if(ivideo->vbflags2 & VB2_CHRONTEL) {
 955                                 if(backlight) {
 956                                         SiS_Chrontel701xBLOn(&ivideo->SiS_Pr);
 957                                 } else {
 958                                         SiS_Chrontel701xBLOff(&ivideo->SiS_Pr);
 959                                 }
 960                         }
 961 #endif
 962                 }
 963
 964                 if(((ivideo->sisvga_engine == SIS_300_VGA) &&
 965                     (ivideo->vbflags2 & (VB2_301|VB2_30xBDH|VB2_LVDS))) ||
 966                    ((ivideo->sisvga_engine == SIS_315_VGA) &&
 967                     ((ivideo->vbflags2 & (VB2_LVDS | VB2_CHRONTEL)) == VB2_LVDS))) {
 968                         setSISIDXREG(SISSR, 0x11, ~0x0c, sr11);
 969                 }
 970
 971                 if(ivideo->sisvga_engine == SIS_300_VGA) {
 972                         if((ivideo->vbflags2 & VB2_30xB) &&
 973                            (!(ivideo->vbflags2 & VB2_30xBDH))) {
 974                                 setSISIDXREG(SISPART1, 0x13, 0x3f, p1_13);
 975                         }
 976                 } else if(ivideo->sisvga_engine == SIS_315_VGA) {
 977                         if((ivideo->vbflags2 & VB2_30xB) &&
 978                            (!(ivideo->vbflags2 & VB2_30xBDH))) {
 979                                 setSISIDXREG(SISPART2, 0x00, 0x1f, p2_0);
 980                         }
 981                 }
 982
 983         } else if(ivideo->currentvbflags & CRT2_VGA) {
 984
 985                 if(ivideo->vbflags2 & VB2_30xB) {
 986                         setSISIDXREG(SISPART2, 0x00, 0x1f, p2_0);
 987                 }
 988
 989         }
 990
 991         return 0;
 992 }
 993
 994 /* ------------- Callbacks from init.c/init301.c  -------------- */
 995
 996 #ifdef CONFIG_FB_SIS_300
 997 unsigned int
 998 sisfb_read_nbridge_pci_dword(struct SiS_Private *SiS_Pr, int reg)
 999 {
1000    struct sis_video_info *ivideo = (struct sis_video_info *)SiS_Pr->ivideo;
1001    u32 val = 0;
1002
1003    pci_read_config_dword(ivideo->nbridge, reg, &val);
1004    return (unsigned int)val;
1005 }
1006
1007 void
1008 sisfb_write_nbridge_pci_dword(struct SiS_Private *SiS_Pr, int reg, unsigned int val)
1009 {
1010    struct sis_video_info *ivideo = (struct sis_video_info *)SiS_Pr->ivideo;
1011
1012    pci_write_config_dword(ivideo->nbridge, reg, (u32)val);
1013 }
1014
1015 unsigned int
1016 sisfb_read_lpc_pci_dword(struct SiS_Private *SiS_Pr, int reg)
1017 {
1018    struct sis_video_info *ivideo = (struct sis_video_info *)SiS_Pr->ivideo;
1019    u32 val = 0;
1020
1021    if(!ivideo->lpcdev) return 0;
1022
1023    pci_read_config_dword(ivideo->lpcdev, reg, &val);
1024    return (unsigned int)val;
1025 }
1026 #endif
1027
1028 #ifdef CONFIG_FB_SIS_315
1029 void
1030 sisfb_write_nbridge_pci_byte(struct SiS_Private *SiS_Pr, int reg, unsigned char val)
1031 {
1032    struct sis_video_info *ivideo = (struct sis_video_info *)SiS_Pr->ivideo;
1033
1034    pci_write_config_byte(ivideo->nbridge, reg, (u8)val);
1035 }
1036
1037 unsigned int
1038 sisfb_read_mio_pci_word(struct SiS_Private *SiS_Pr, int reg)
1039 {
1040    struct sis_video_info *ivideo = (struct sis_video_info *)SiS_Pr->ivideo;
1041    u16 val = 0;
1042
1043    if(!ivideo->lpcdev) return 0;
1044
1045    pci_read_config_word(ivideo->lpcdev, reg, &val);
1046    return (unsigned int)val;
1047 }
1048 #endif
1049
1050 /* ----------- FBDev related routines for all series ----------- */
1051
1052 static int
1053 sisfb_get_cmap_len(const struct fb_var_screeninfo *var)
1054 {
1055         return (var->bits_per_pixel == 8) ? 256 : 16;
1056 }
1057
1058 static void
1059 sisfb_set_vparms(struct sis_video_info *ivideo)
1060 {
1061         switch(ivideo->video_bpp) {
1062         case 8:
1063                 ivideo->DstColor = 0x0000;
1064                 ivideo->SiS310_AccelDepth = 0x00000000;
1065                 ivideo->video_cmap_len = 256;
1066                 break;
1067         case 16:
1068                 ivideo->DstColor = 0x8000;
1069                 ivideo->SiS310_AccelDepth = 0x00010000;
1070                 ivideo->video_cmap_len = 16;
1071                 break;
1072         case 32:
1073                 ivideo->DstColor = 0xC000;
1074                 ivideo->SiS310_AccelDepth = 0x00020000;
1075                 ivideo->video_cmap_len = 16;
1076                 break;
1077         default:
1078                 ivideo->video_cmap_len = 16;
1079                 printk(KERN_ERR "sisfb: Unsupported depth %d", ivideo->video_bpp);
1080                 ivideo->accel = 0;
1081         }
1082 }
1083
1084 static int
1085 sisfb_calc_maxyres(struct sis_video_info *ivideo, struct fb_var_screeninfo *var)
1086 {
1087         int maxyres = ivideo->sisfb_mem / (var->xres_virtual * (var->bits_per_pixel >> 3));
1088
1089         if(maxyres > 32767) maxyres = 32767;
1090
1091         return maxyres;
1092 }
1093
1094 static void
1095 sisfb_calc_pitch(struct sis_video_info *ivideo, struct fb_var_screeninfo *var)
1096 {
1097         ivideo->video_linelength = var->xres_virtual * (var->bits_per_pixel >> 3);
1098         ivideo->scrnpitchCRT1 = ivideo->video_linelength;
1099         if(!(ivideo->currentvbflags & CRT1_LCDA)) {
1100                 if((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
1101                         ivideo->scrnpitchCRT1 <<= 1;
1102                 }
1103         }
1104 }
1105
1106 static void
1107 sisfb_set_pitch(struct sis_video_info *ivideo)
1108 {
1109         bool isslavemode = false;
1110         unsigned short HDisplay1 = ivideo->scrnpitchCRT1 >> 3;
1111         unsigned short HDisplay2 = ivideo->video_linelength >> 3;
1112
1113         if(sisfb_bridgeisslave(ivideo)) isslavemode = true;
1114
1115         /* We need to set pitch for CRT1 if bridge is in slave mode, too */
1116         if((ivideo->currentvbflags & VB_DISPTYPE_DISP1) || (isslavemode)) {
1117                 outSISIDXREG(SISCR,0x13,(HDisplay1 & 0xFF));
1118                 setSISIDXREG(SISSR,0x0E,0xF0,(HDisplay1 >> 8));
1119         }
1120
1121         /* We must not set the pitch for CRT2 if bridge is in slave mode */
1122         if((ivideo->currentvbflags & VB_DISPTYPE_DISP2) && (!isslavemode)) {
1123                 orSISIDXREG(SISPART1,ivideo->CRT2_write_enable,0x01);
1124                 outSISIDXREG(SISPART1,0x07,(HDisplay2 & 0xFF));
1125                 setSISIDXREG(SISPART1,0x09,0xF0,(HDisplay2 >> 8));
1126         }
1127 }
1128
1129 static void
1130 sisfb_bpp_to_var(struct sis_video_info *ivideo, struct fb_var_screeninfo *var)
1131 {
1132         ivideo->video_cmap_len = sisfb_get_cmap_len(var);
1133
1134         switch(var->bits_per_pixel) {
1135         case 8:
1136                 var->red.offset = var->green.offset = var->blue.offset = 0;
1137                 var->red.length = var->green.length = var->blue.length = 8;
1138                 break;
1139         case 16:
1140                 var->red.offset = 11;
1141                 var->red.length = 5;
1142                 var->green.offset = 5;
1143                 var->green.length = 6;
1144                 var->blue.offset = 0;
1145                 var->blue.length = 5;
1146                 var->transp.offset = 0;
1147                 var->transp.length = 0;
1148                 break;
1149         case 32:
1150                 var->red.offset = 16;
1151                 var->red.length = 8;
1152                 var->green.offset = 8;
1153                 var->green.length = 8;
1154                 var->blue.offset = 0;
1155                 var->blue.length = 8;
1156                 var->transp.offset = 24;
1157                 var->transp.length = 8;
1158                 break;
1159         }
1160 }
1161
1162 static int
1163 sisfb_set_mode(struct sis_video_info *ivideo, int clrscrn)
1164 {
1165         unsigned short modeno = ivideo->mode_no;
1166
1167         /* >=2.6.12's fbcon clears the screen anyway */
1168         modeno |= 0x80;
1169
1170         outSISIDXREG(SISSR, IND_SIS_PASSWORD, SIS_PASSWORD);
1171
1172         sisfb_pre_setmode(ivideo);
1173
1174         if(!SiSSetMode(&ivideo->SiS_Pr, modeno)) {
1175                 printk(KERN_ERR "sisfb: Setting mode[0x%x] failed\n", ivideo->mode_no);
1176                 return -EINVAL;
1177         }
1178
1179         outSISIDXREG(SISSR, IND_SIS_PASSWORD, SIS_PASSWORD);
1180
1181         sisfb_post_setmode(ivideo);
1182
1183         return 0;
1184 }
1185
1186
1187 static int
1188 sisfb_do_set_var(struct fb_var_screeninfo *var, int isactive, struct fb_info *info)
1189 {
1190         struct sis_video_info *ivideo = (struct sis_video_info *)info->par;
1191         unsigned int htotal = 0, vtotal = 0;
1192         unsigned int drate = 0, hrate = 0;
1193         int found_mode = 0, ret;
1194         int old_mode;
1195         u32 pixclock;
1196
1197         htotal = var->left_margin + var->xres + var->right_margin + var->hsync_len;
1198
1199         vtotal = var->upper_margin + var->lower_margin + var->vsync_len;
1200
1201         pixclock = var->pixclock;
1202
1203         if((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) {
1204                 vtotal += var->yres;
1205                 vtotal <<= 1;
1206         } else if((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) {
1207                 vtotal += var->yres;
1208                 vtotal <<= 2;
1209         } else if((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
1210                 vtotal += var->yres;
1211                 vtotal <<= 1;
1212         } else  vtotal += var->yres;
1213
1214         if(!(htotal) || !(vtotal)) {
1215                 DPRINTK("sisfb: Invalid 'var' information\n");
1216                 return -EINVAL;
1217         }
1218
1219         if(pixclock && htotal && vtotal) {
1220                 drate = 1000000000 / pixclock;
1221                 hrate = (drate * 1000) / htotal;
1222                 ivideo->refresh_rate = (unsigned int) (hrate * 2 / vtotal);
1223         } else {
1224                 ivideo->refresh_rate = 60;
1225         }
1226
1227         old_mode = ivideo->sisfb_mode_idx;
1228         ivideo->sisfb_mode_idx = 0;
1229
1230         while( (sisbios_mode[ivideo->sisfb_mode_idx].mode_no[0] != 0) &&
1231                (sisbios_mode[ivideo->sisfb_mode_idx].xres <= var->xres) ) {
1232                 if( (sisbios_mode[ivideo->sisfb_mode_idx].xres == var->xres) &&
1233                     (sisbios_mode[ivideo->sisfb_mode_idx].yres == var->yres) &&
1234                     (sisbios_mode[ivideo->sisfb_mode_idx].bpp == var->bits_per_pixel)) {
1235                         ivideo->mode_no = sisbios_mode[ivideo->sisfb_mode_idx].mode_no[ivideo->mni];
1236                         found_mode = 1;
1237                         break;
1238                 }
1239                 ivideo->sisfb_mode_idx++;
1240         }
1241
1242         if(found_mode) {
1243                 ivideo->sisfb_mode_idx = sisfb_validate_mode(ivideo,
1244                                 ivideo->sisfb_mode_idx, ivideo->currentvbflags);
1245         } else {
1246                 ivideo->sisfb_mode_idx = -1;
1247         }
1248
1249         if(ivideo->sisfb_mode_idx < 0) {
1250                 printk(KERN_ERR "sisfb: Mode %dx%dx%d not supported\n", var->xres,
1251                        var->yres, var->bits_per_pixel);
1252                 ivideo->sisfb_mode_idx = old_mode;
1253                 return -EINVAL;
1254         }
1255
1256         ivideo->mode_no = sisbios_mode[ivideo->sisfb_mode_idx].mode_no[ivideo->mni];
1257
1258         if(sisfb_search_refresh_rate(ivideo, ivideo->refresh_rate, ivideo->sisfb_mode_idx) == 0) {
1259                 ivideo->rate_idx = sisbios_mode[ivideo->sisfb_mode_idx].rate_idx;
1260                 ivideo->refresh_rate = 60;
1261         }
1262
1263         if(isactive) {
1264                 /* If acceleration to be used? Need to know
1265                  * before pre/post_set_mode()
1266                  */
1267                 ivideo->accel = 0;
1268 #if defined(FBINFO_HWACCEL_DISABLED) && defined(FBINFO_HWACCEL_XPAN)
1269 #ifdef STUPID_ACCELF_TEXT_SHIT
1270                 if(var->accel_flags & FB_ACCELF_TEXT) {
1271                         info->flags &= ~FBINFO_HWACCEL_DISABLED;
1272                 } else {
1273                         info->flags |= FBINFO_HWACCEL_DISABLED;
1274                 }
1275 #endif
1276                 if(!(info->flags & FBINFO_HWACCEL_DISABLED)) ivideo->accel = -1;
1277 #else
1278                 if(var->accel_flags & FB_ACCELF_TEXT) ivideo->accel = -1;
1279 #endif
1280
1281                 if((ret = sisfb_set_mode(ivideo, 1))) {
1282                         return ret;
1283                 }
1284
1285                 ivideo->video_bpp    = sisbios_mode[ivideo->sisfb_mode_idx].bpp;
1286                 ivideo->video_width  = sisbios_mode[ivideo->sisfb_mode_idx].xres;
1287                 ivideo->video_height = sisbios_mode[ivideo->sisfb_mode_idx].yres;
1288
1289                 sisfb_calc_pitch(ivideo, var);
1290                 sisfb_set_pitch(ivideo);
1291
1292                 sisfb_set_vparms(ivideo);
1293
1294                 ivideo->current_width = ivideo->video_width;
1295                 ivideo->current_height = ivideo->video_height;
1296                 ivideo->current_bpp = ivideo->video_bpp;
1297                 ivideo->current_htotal = htotal;
1298                 ivideo->current_vtotal = vtotal;
1299                 ivideo->current_linelength = ivideo->video_linelength;
1300                 ivideo->current_pixclock = var->pixclock;
1301                 ivideo->current_refresh_rate = ivideo->refresh_rate;
1302                 ivideo->sisfb_lastrates[ivideo->mode_no] = ivideo->refresh_rate;
1303         }
1304
1305         return 0;
1306 }
1307
1308 static void
1309 sisfb_set_base_CRT1(struct sis_video_info *ivideo, unsigned int base)
1310 {
1311         outSISIDXREG(SISSR, IND_SIS_PASSWORD, SIS_PASSWORD);
1312
1313         outSISIDXREG(SISCR, 0x0D, base & 0xFF);
1314         outSISIDXREG(SISCR, 0x0C, (base >> 8) & 0xFF);
1315         outSISIDXREG(SISSR, 0x0D, (base >> 16) & 0xFF);
1316         if(ivideo->sisvga_engine == SIS_315_VGA) {
1317                 setSISIDXREG(SISSR, 0x37, 0xFE, (base >> 24) & 0x01);
1318         }
1319 }
1320
1321 static void
1322 sisfb_set_base_CRT2(struct sis_video_info *ivideo, unsigned int base)
1323 {
1324         if(ivideo->currentvbflags & VB_DISPTYPE_DISP2) {
1325                 orSISIDXREG(SISPART1, ivideo->CRT2_write_enable, 0x01);
1326                 outSISIDXREG(SISPART1, 0x06, (base & 0xFF));
1327                 outSISIDXREG(SISPART1, 0x05, ((base >> 8) & 0xFF));
1328                 outSISIDXREG(SISPART1, 0x04, ((base >> 16) & 0xFF));
1329                 if(ivideo->sisvga_engine == SIS_315_VGA) {
1330                         setSISIDXREG(SISPART1, 0x02, 0x7F, ((base >> 24) & 0x01) << 7);
1331                 }
1332         }
1333 }
1334
1335 static int
1336 sisfb_pan_var(struct sis_video_info *ivideo, struct fb_var_screeninfo *var)
1337 {
1338         if(var->xoffset > (var->xres_virtual - var->xres)) {
1339                 return -EINVAL;
1340         }
1341         if(var->yoffset > (var->yres_virtual - var->yres)) {
1342                 return -EINVAL;
1343         }
1344
1345         ivideo->current_base = (var->yoffset * var->xres_virtual) + var->xoffset;
1346
1347         /* calculate base bpp dep. */
1348         switch(var->bits_per_pixel) {
1349         case 32:
1350                 break;
1351         case 16:
1352                 ivideo->current_base >>= 1;
1353                 break;
1354         case 8:
1355         default:
1356                 ivideo->current_base >>= 2;
1357                 break;
1358         }
1359
1360         ivideo->current_base += (ivideo->video_offset >> 2);
1361
1362         sisfb_set_base_CRT1(ivideo, ivideo->current_base);
1363         sisfb_set_base_CRT2(ivideo, ivideo->current_base);
1364
1365         return 0;
1366 }
1367
1368 static int
1369 sisfb_open(struct fb_info *info, int user)
1370 {
1371         return 0;
1372 }
1373
1374 static int
1375 sisfb_release(struct fb_info *info, int user)
1376 {
1377         return 0;
1378 }
1379
1380 static int
1381 sisfb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue,
1382                 unsigned transp, struct fb_info *info)
1383 {
1384         struct sis_video_info *ivideo = (struct sis_video_info *)info->par;
1385
1386         if(regno >= sisfb_get_cmap_len(&info->var))
1387                 return 1;
1388
1389         switch(info->var.bits_per_pixel) {
1390         case 8:
1391                 outSISREG(SISDACA, regno);
1392                 outSISREG(SISDACD, (red >> 10));
1393                 outSISREG(SISDACD, (green >> 10));
1394                 outSISREG(SISDACD, (blue >> 10));
1395                 if(ivideo->currentvbflags & VB_DISPTYPE_DISP2) {
1396                         outSISREG(SISDAC2A, regno);
1397                         outSISREG(SISDAC2D, (red >> 8));
1398                         outSISREG(SISDAC2D, (green >> 8));
1399                         outSISREG(SISDAC2D, (blue >> 8));
1400                 }
1401                 break;
1402         case 16:
1403                 if (regno >= 16)
1404                         break;
1405
1406                 ((u32 *)(info->pseudo_palette))[regno] =
1407                                 (red & 0xf800)          |
1408                                 ((green & 0xfc00) >> 5) |
1409                                 ((blue & 0xf800) >> 11);
1410                 break;
1411         case 32:
1412                 if (regno >= 16)
1413                         break;
1414
1415                 red >>= 8;
1416                 green >>= 8;
1417                 blue >>= 8;
1418                 ((u32 *)(info->pseudo_palette))[regno] =
1419                                 (red << 16) | (green << 8) | (blue);
1420                 break;
1421         }
1422         return 0;
1423 }
1424
1425 static int
1426 sisfb_set_par(struct fb_info *info)
1427 {
1428         int err;
1429
1430         if((err = sisfb_do_set_var(&info->var, 1, info)))
1431                 return err;
1432
1433         sisfb_get_fix(&info->fix, -1, info);
1434
1435         return 0;
1436 }
1437
1438 static int
1439 sisfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
1440 {
1441         struct sis_video_info *ivideo = (struct sis_video_info *)info->par;
1442         unsigned int htotal = 0, vtotal = 0, myrateindex = 0;
1443         unsigned int drate = 0, hrate = 0, maxyres;
1444         int found_mode = 0;
1445         int refresh_rate, search_idx, tidx;
1446         bool recalc_clock = false;
1447         u32 pixclock;
1448
1449         htotal = var->left_margin + var->xres + var->right_margin + var->hsync_len;
1450
1451         vtotal = var->upper_margin + var->lower_margin + var->vsync_len;
1452
1453         pixclock = var->pixclock;
1454
1455         if((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) {
1456                 vtotal += var->yres;
1457                 vtotal <<= 1;
1458         } else if((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) {
1459                 vtotal += var->yres;
1460                 vtotal <<= 2;
1461         } else if((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
1462                 vtotal += var->yres;
1463                 vtotal <<= 1;
1464         } else
1465                 vtotal += var->yres;
1466
1467         if(!(htotal) || !(vtotal)) {
1468                 SISFAIL("sisfb: no valid timing data");
1469         }
1470
1471         search_idx = 0;
1472         while( (sisbios_mode[search_idx].mode_no[0] != 0) &&
1473                (sisbios_mode[search_idx].xres <= var->xres) ) {
1474                 if( (sisbios_mode[search_idx].xres == var->xres) &&
1475                     (sisbios_mode[search_idx].yres == var->yres) &&
1476                     (sisbios_mode[search_idx].bpp == var->bits_per_pixel)) {
1477                         if((tidx = sisfb_validate_mode(ivideo, search_idx,
1478                                                 ivideo->currentvbflags)) > 0) {
1479                                 found_mode = 1;
1480                                 search_idx = tidx;
1481                                 break;
1482                         }
1483                 }
1484                 search_idx++;
1485         }
1486
1487         if(!found_mode) {
1488                 search_idx = 0;
1489                 while(sisbios_mode[search_idx].mode_no[0] != 0) {
1490                    if( (var->xres <= sisbios_mode[search_idx].xres) &&
1491                        (var->yres <= sisbios_mode[search_idx].yres) &&
1492                        (var->bits_per_pixel == sisbios_mode[search_idx].bpp) ) {
1493                         if((tidx = sisfb_validate_mode(ivideo,search_idx,
1494                                                 ivideo->currentvbflags)) > 0) {
1495                                 found_mode = 1;
1496                                 search_idx = tidx;
1497                                 break;
1498                         }
1499                    }
1500                    search_idx++;
1501                 }
1502                 if(found_mode) {
1503                         printk(KERN_DEBUG
1504                                 "sisfb: Adapted from %dx%dx%d to %dx%dx%d\n",
1505                                 var->xres, var->yres, var->bits_per_pixel,
1506                                 sisbios_mode[search_idx].xres,
1507                                 sisbios_mode[search_idx].yres,
1508                                 var->bits_per_pixel);
1509                         var->xres = sisbios_mode[search_idx].xres;
1510                         var->yres = sisbios_mode[search_idx].yres;
1511                 } else {
1512                         printk(KERN_ERR
1513                                 "sisfb: Failed to find supported mode near %dx%dx%d\n",
1514                                 var->xres, var->yres, var->bits_per_pixel);
1515                         return -EINVAL;
1516                 }
1517         }
1518
1519         if( ((ivideo->vbflags2 & VB2_LVDS) ||
1520              ((ivideo->vbflags2 & VB2_30xBDH) && (ivideo->currentvbflags & CRT2_LCD))) &&
1521             (var->bits_per_pixel == 8) ) {
1522                 /* Slave modes on LVDS and 301B-DH */
1523                 refresh_rate = 60;
1524                 recalc_clock = true;
1525         } else if( (ivideo->current_htotal == htotal) &&
1526                    (ivideo->current_vtotal == vtotal) &&
1527                    (ivideo->current_pixclock == pixclock) ) {
1528                 /* x=x & y=y & c=c -> assume depth change */
1529                 drate = 1000000000 / pixclock;
1530                 hrate = (drate * 1000) / htotal;
1531                 refresh_rate = (unsigned int) (hrate * 2 / vtotal);
1532         } else if( ( (ivideo->current_htotal != htotal) ||
1533                      (ivideo->current_vtotal != vtotal) ) &&
1534                    (ivideo->current_pixclock == var->pixclock) ) {
1535                 /* x!=x | y!=y & c=c -> invalid pixclock */
1536                 if(ivideo->sisfb_lastrates[sisbios_mode[search_idx].mode_no[ivideo->mni]]) {
1537                         refresh_rate =
1538                                 ivideo->sisfb_lastrates[sisbios_mode[search_idx].mode_no[ivideo->mni]];
1539                 } else if(ivideo->sisfb_parm_rate != -1) {
1540                         /* Sic, sisfb_parm_rate - want to know originally desired rate here */
1541                         refresh_rate = ivideo->sisfb_parm_rate;
1542                 } else {
1543                         refresh_rate = 60;
1544                 }
1545                 recalc_clock = true;
1546         } else if((pixclock) && (htotal) && (vtotal)) {
1547                 drate = 1000000000 / pixclock;
1548                 hrate = (drate * 1000) / htotal;
1549                 refresh_rate = (unsigned int) (hrate * 2 / vtotal);
1550         } else if(ivideo->current_refresh_rate) {
1551                 refresh_rate = ivideo->current_refresh_rate;
1552                 recalc_clock = true;
1553         } else {
1554                 refresh_rate = 60;
1555                 recalc_clock = true;
1556         }
1557
1558         myrateindex = sisfb_search_refresh_rate(ivideo, refresh_rate, search_idx);
1559
1560         /* Eventually recalculate timing and clock */
1561         if(recalc_clock) {
1562                 if(!myrateindex) myrateindex = sisbios_mode[search_idx].rate_idx;
1563                 var->pixclock = (u32) (1000000000 / sisfb_mode_rate_to_dclock(&ivideo->SiS_Pr,
1564                                                 sisbios_mode[search_idx].mode_no[ivideo->mni],
1565                                                 myrateindex));
1566                 sisfb_mode_rate_to_ddata(&ivideo->SiS_Pr,
1567                                         sisbios_mode[search_idx].mode_no[ivideo->mni],
1568                                         myrateindex, var);
1569                 if((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) {
1570                         var->pixclock <<= 1;
1571                 }
1572         }
1573
1574         if(ivideo->sisfb_thismonitor.datavalid) {
1575                 if(!sisfb_verify_rate(ivideo, &ivideo->sisfb_thismonitor, search_idx,
1576                                 myrateindex, refresh_rate)) {
1577                         printk(KERN_INFO
1578                                 "sisfb: WARNING: Refresh rate exceeds monitor specs!\n");
1579                 }
1580         }
1581
1582         /* Adapt RGB settings */
1583         sisfb_bpp_to_var(ivideo, var);
1584
1585         /* Sanity check for offsets */
1586         if(var->xoffset < 0) var->xoffset = 0;
1587         if(var->yoffset < 0) var->yoffset = 0;
1588
1589         if(var->xres > var->xres_virtual)
1590                 var->xres_virtual = var->xres;
1591
1592         if(ivideo->sisfb_ypan) {
1593                 maxyres = sisfb_calc_maxyres(ivideo, var);
1594                 if(ivideo->sisfb_max) {
1595                         var->yres_virtual = maxyres;
1596                 } else {
1597                         if(var->yres_virtual > maxyres) {
1598                                 var->yres_virtual = maxyres;
1599                         }
1600                 }
1601                 if(var->yres_virtual <= var->yres) {
1602                         var->yres_virtual = var->yres;
1603                 }
1604         } else {
1605                 if(var->yres != var->yres_virtual) {
1606                         var->yres_virtual = var->yres;
1607                 }
1608                 var->xoffset = 0;
1609                 var->yoffset = 0;
1610         }
1611
1612         /* Truncate offsets to maximum if too high */
1613         if(var->xoffset > var->xres_virtual - var->xres) {
1614                 var->xoffset = var->xres_virtual - var->xres - 1;
1615         }
1616
1617         if(var->yoffset > var->yres_virtual - var->yres) {
1618                 var->yoffset = var->yres_virtual - var->yres - 1;
1619         }
1620
1621         /* Set everything else to 0 */
1622         var->red.msb_right =
1623                 var->green.msb_right =
1624                 var->blue.msb_right =
1625                 var->transp.offset =
1626                 var->transp.length =
1627                 var->transp.msb_right = 0;
1628
1629         return 0;
1630 }
1631
1632 static int
1633 sisfb_pan_display(struct fb_var_screeninfo *var, struct fb_info* info)
1634 {
1635         struct sis_video_info *ivideo = (struct sis_video_info *)info->par;
1636         int err;
1637
1638         if(var->xoffset > (var->xres_virtual - var->xres))
1639                 return -EINVAL;
1640
1641         if(var->yoffset > (var->yres_virtual - var->yres))
1642                 return -EINVAL;
1643
1644         if(var->vmode & FB_VMODE_YWRAP)
1645                 return -EINVAL;
1646
1647         if(var->xoffset + info->var.xres > info->var.xres_virtual ||
1648            var->yoffset + info->var.yres > info->var.yres_virtual)
1649                 return -EINVAL;
1650
1651         if((err = sisfb_pan_var(ivideo, var)) < 0)
1652                 return err;
1653
1654         info->var.xoffset = var->xoffset;
1655         info->var.yoffset = var->yoffset;
1656
1657         return 0;
1658 }
1659
1660 static int
1661 sisfb_blank(int blank, struct fb_info *info)
1662 {
1663         struct sis_video_info *ivideo = (struct sis_video_info *)info->par;
1664
1665         return sisfb_myblank(ivideo, blank);
1666 }
1667
1668 /* ----------- FBDev related routines for all series ---------- */
1669
1670 static int      sisfb_ioctl(struct fb_info *info, unsigned int cmd,
1671                             unsigned long arg)
1672 {
1673         struct sis_video_info   *ivideo = (struct sis_video_info *)info->par;
1674         struct sis_memreq       sismemreq;
1675         struct fb_vblank        sisvbblank;
1676         u32                     gpu32 = 0;
1677 #ifndef __user
1678 #define __user
1679 #endif
1680         u32 __user              *argp = (u32 __user *)arg;
1681
1682         switch(cmd) {
1683            case FBIO_ALLOC:
1684                 if(!capable(CAP_SYS_RAWIO))
1685                         return -EPERM;
1686
1687                 if(copy_from_user(&sismemreq, (void __user *)arg, sizeof(sismemreq)))
1688                         return -EFAULT;
1689
1690                 sis_malloc(&sismemreq);
1691
1692                 if(copy_to_user((void __user *)arg, &sismemreq, sizeof(sismemreq))) {
1693                         sis_free((u32)sismemreq.offset);
1694                         return -EFAULT;
1695                 }
1696                 break;
1697
1698            case FBIO_FREE:
1699                 if(!capable(CAP_SYS_RAWIO))
1700                         return -EPERM;
1701
1702                 if(get_user(gpu32, argp))
1703                         return -EFAULT;
1704
1705                 sis_free(gpu32);
1706                 break;
1707
1708            case FBIOGET_VBLANK:
1709
1710                 memset(&sisvbblank, 0, sizeof(struct fb_vblank));
1711
1712                 sisvbblank.count = 0;
1713                 sisvbblank.flags = sisfb_setupvbblankflags(ivideo, &sisvbblank.vcount, &sisvbblank.hcount);
1714
1715                 if(copy_to_user((void __user *)arg, &sisvbblank, sizeof(sisvbblank)))
1716                         return -EFAULT;
1717
1718                 break;
1719
1720            case SISFB_GET_INFO_SIZE:
1721                 return put_user(sizeof(struct sisfb_info), argp);
1722
1723            case SISFB_GET_INFO_OLD:
1724                 if(ivideo->warncount++ < 10)
1725                         printk(KERN_INFO
1726                                 "sisfb: Deprecated ioctl call received - update your application!\n");
1727            case SISFB_GET_INFO:  /* For communication with X driver */
1728                 ivideo->sisfb_infoblock.sisfb_id         = SISFB_ID;
1729                 ivideo->sisfb_infoblock.sisfb_version    = VER_MAJOR;
1730                 ivideo->sisfb_infoblock.sisfb_revision   = VER_MINOR;
1731                 ivideo->sisfb_infoblock.sisfb_patchlevel = VER_LEVEL;
1732                 ivideo->sisfb_infoblock.chip_id = ivideo->chip_id;
1733                 ivideo->sisfb_infoblock.sisfb_pci_vendor = ivideo->chip_vendor;
1734                 ivideo->sisfb_infoblock.memory = ivideo->video_size / 1024;
1735                 ivideo->sisfb_infoblock.heapstart = ivideo->heapstart / 1024;
1736                 if(ivideo->modechanged) {
1737                         ivideo->sisfb_infoblock.fbvidmode = ivideo->mode_no;
1738                 } else {
1739                         ivideo->sisfb_infoblock.fbvidmode = ivideo->modeprechange;
1740                 }
1741                 ivideo->sisfb_infoblock.sisfb_caps = ivideo->caps;
1742                 ivideo->sisfb_infoblock.sisfb_tqlen = ivideo->cmdQueueSize / 1024;
1743                 ivideo->sisfb_infoblock.sisfb_pcibus = ivideo->pcibus;
1744                 ivideo->sisfb_infoblock.sisfb_pcislot = ivideo->pcislot;
1745                 ivideo->sisfb_infoblock.sisfb_pcifunc = ivideo->pcifunc;
1746                 ivideo->sisfb_infoblock.sisfb_lcdpdc = ivideo->detectedpdc;
1747                 ivideo->sisfb_infoblock.sisfb_lcdpdca = ivideo->detectedpdca;
1748                 ivideo->sisfb_infoblock.sisfb_lcda = ivideo->detectedlcda;
1749                 ivideo->sisfb_infoblock.sisfb_vbflags = ivideo->vbflags;
1750                 ivideo->sisfb_infoblock.sisfb_currentvbflags = ivideo->currentvbflags;
1751                 ivideo->sisfb_infoblock.sisfb_scalelcd = ivideo->SiS_Pr.UsePanelScaler;
1752                 ivideo->sisfb_infoblock.sisfb_specialtiming = ivideo->SiS_Pr.SiS_CustomT;
1753                 ivideo->sisfb_infoblock.sisfb_haveemi = ivideo->SiS_Pr.HaveEMI ? 1 : 0;
1754                 ivideo->sisfb_infoblock.sisfb_haveemilcd = ivideo->SiS_Pr.HaveEMILCD ? 1 : 0;
1755                 ivideo->sisfb_infoblock.sisfb_emi30 = ivideo->SiS_Pr.EMI_30;
1756                 ivideo->sisfb_infoblock.sisfb_emi31 = ivideo->SiS_Pr.EMI_31;
1757                 ivideo->sisfb_infoblock.sisfb_emi32 = ivideo->SiS_Pr.EMI_32;
1758                 ivideo->sisfb_infoblock.sisfb_emi33 = ivideo->SiS_Pr.EMI_33;
1759                 ivideo->sisfb_infoblock.sisfb_tvxpos = (u16)(ivideo->tvxpos + 32);
1760                 ivideo->sisfb_infoblock.sisfb_tvypos = (u16)(ivideo->tvypos + 32);
1761                 ivideo->sisfb_infoblock.sisfb_heapsize = ivideo->sisfb_heap_size / 1024;
1762                 ivideo->sisfb_infoblock.sisfb_videooffset = ivideo->video_offset;
1763                 ivideo->sisfb_infoblock.sisfb_curfstn = ivideo->curFSTN;
1764                 ivideo->sisfb_infoblock.sisfb_curdstn = ivideo->curDSTN;
1765                 ivideo->sisfb_infoblock.sisfb_vbflags2 = ivideo->vbflags2;
1766                 ivideo->sisfb_infoblock.sisfb_can_post = ivideo->sisfb_can_post ? 1 : 0;
1767                 ivideo->sisfb_infoblock.sisfb_card_posted = ivideo->sisfb_card_posted ? 1 : 0;
1768                 ivideo->sisfb_infoblock.sisfb_was_boot_device = ivideo->sisfb_was_boot_device ? 1 : 0;
1769
1770                 if(copy_to_user((void __user *)arg, &ivideo->sisfb_infoblock,
1771                                                 sizeof(ivideo->sisfb_infoblock)))
1772                         return -EFAULT;
1773
1774                 break;
1775
1776            case SISFB_GET_VBRSTATUS_OLD:
1777                 if(ivideo->warncount++ < 10)
1778                         printk(KERN_INFO
1779                                 "sisfb: Deprecated ioctl call received - update your application!\n");
1780            case SISFB_GET_VBRSTATUS:
1781                 if(sisfb_CheckVBRetrace(ivideo))
1782                         return put_user((u32)1, argp);
1783                 else
1784                         return put_user((u32)0, argp);
1785
1786            case SISFB_GET_AUTOMAXIMIZE_OLD:
1787                 if(ivideo->warncount++ < 10)
1788                         printk(KERN_INFO
1789                                 "sisfb: Deprecated ioctl call received - update your application!\n");
1790            case SISFB_GET_AUTOMAXIMIZE:
1791                 if(ivideo->sisfb_max)
1792                         return put_user((u32)1, argp);
1793                 else
1794                         return put_user((u32)0, argp);
1795
1796            case SISFB_SET_AUTOMAXIMIZE_OLD:
1797                 if(ivideo->warncount++ < 10)
1798                         printk(KERN_INFO
1799                                 "sisfb: Deprecated ioctl call received - update your application!\n");
1800            case SISFB_SET_AUTOMAXIMIZE:
1801                 if(get_user(gpu32, argp))
1802                         return -EFAULT;
1803
1804                 ivideo->sisfb_max = (gpu32) ? 1 : 0;
1805                 break;
1806
1807            case SISFB_SET_TVPOSOFFSET:
1808                 if(get_user(gpu32, argp))
1809                         return -EFAULT;
1810
1811                 sisfb_set_TVxposoffset(ivideo, ((int)(gpu32 >> 16)) - 32);
1812                 sisfb_set_TVyposoffset(ivideo, ((int)(gpu32 & 0xffff)) - 32);
1813                 break;
1814
1815            case SISFB_GET_TVPOSOFFSET:
1816                 return put_user((u32)(((ivideo->tvxpos+32)<<16)|((ivideo->tvypos+32)&0xffff)),
1817                                                         argp);
1818
1819            case SISFB_COMMAND:
1820                 if(copy_from_user(&ivideo->sisfb_command, (void __user *)arg,
1821                                                         sizeof(struct sisfb_cmd)))
1822                         return -EFAULT;
1823
1824                 sisfb_handle_command(ivideo, &ivideo->sisfb_command);
1825
1826                 if(copy_to_user((void __user *)arg, &ivideo->sisfb_command,
1827                                                         sizeof(struct sisfb_cmd)))
1828                         return -EFAULT;
1829
1830                 break;
1831
1832            case SISFB_SET_LOCK:
1833                 if(get_user(gpu32, argp))
1834                         return -EFAULT;
1835
1836                 ivideo->sisfblocked = (gpu32) ? 1 : 0;
1837                 break;
1838
1839            default:
1840 #ifdef SIS_NEW_CONFIG_COMPAT
1841                 return -ENOIOCTLCMD;
1842 #else
1843                 return -EINVAL;
1844 #endif
1845         }
1846         return 0;
1847 }
1848
1849 static int
1850 sisfb_get_fix(struct fb_fix_screeninfo *fix, int con, struct fb_info *info)
1851 {
1852         struct sis_video_info *ivideo = (struct sis_video_info *)info->par;
1853
1854         memset(fix, 0, sizeof(struct fb_fix_screeninfo));
1855
1856         strlcpy(fix->id, ivideo->myid, sizeof(fix->id));
1857
1858         mutex_lock(&info->mm_lock);
1859         fix->smem_start  = ivideo->video_base + ivideo->video_offset;
1860         fix->smem_len    = ivideo->sisfb_mem;
1861         mutex_unlock(&info->mm_lock);
1862         fix->type        = FB_TYPE_PACKED_PIXELS;
1863         fix->type_aux    = 0;
1864         fix->visual      = (ivideo->video_bpp == 8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
1865         fix->xpanstep    = 1;
1866         fix->ypanstep    = (ivideo->sisfb_ypan) ? 1 : 0;
1867         fix->ywrapstep   = 0;
1868         fix->line_length = ivideo->video_linelength;
1869         fix->mmio_start  = ivideo->mmio_base;
1870         fix->mmio_len    = ivideo->mmio_size;
1871         if(ivideo->sisvga_engine == SIS_300_VGA) {
1872                 fix->accel = FB_ACCEL_SIS_GLAMOUR;
1873         } else if((ivideo->chip == SIS_330) ||
1874                   (ivideo->chip == SIS_760) ||
1875                   (ivideo->chip == SIS_761)) {
1876                 fix->accel = FB_ACCEL_SIS_XABRE;
1877         } else if(ivideo->chip == XGI_20) {
1878                 fix->accel = FB_ACCEL_XGI_VOLARI_Z;
1879         } else if(ivideo->chip >= XGI_40) {
1880                 fix->accel = FB_ACCEL_XGI_VOLARI_V;
1881         } else {
1882                 fix->accel = FB_ACCEL_SIS_GLAMOUR_2;
1883         }
1884
1885         return 0;
1886 }
1887
1888 /* ----------------  fb_ops structures ----------------- */
1889
1890 static struct fb_ops sisfb_ops = {
1891         .owner          = THIS_MODULE,
1892         .fb_open        = sisfb_open,
1893         .fb_release     = sisfb_release,
1894         .fb_check_var   = sisfb_check_var,
1895         .fb_set_par     = sisfb_set_par,
1896         .fb_setcolreg   = sisfb_setcolreg,
1897         .fb_pan_display = sisfb_pan_display,
1898         .fb_blank       = sisfb_blank,
1899         .fb_fillrect    = fbcon_sis_fillrect,
1900         .fb_copyarea    = fbcon_sis_copyarea,
1901         .fb_imageblit   = cfb_imageblit,
1902         .fb_sync        = fbcon_sis_sync,
1903 #ifdef SIS_NEW_CONFIG_COMPAT
1904         .fb_compat_ioctl= sisfb_ioctl,
1905 #endif
1906         .fb_ioctl       = sisfb_ioctl
1907 };
1908
1909 /* ---------------- Chip generation dependent routines ---------------- */
1910
1911 static struct pci_dev * __devinit
1912 sisfb_get_northbridge(int basechipid)
1913 {
1914         struct pci_dev *pdev = NULL;
1915         int nbridgenum, nbridgeidx, i;
1916         static const unsigned short nbridgeids[] = {
1917                 PCI_DEVICE_ID_SI_540,   /* for SiS 540 VGA */
1918                 PCI_DEVICE_ID_SI_630,   /* for SiS 630/730 VGA */
1919                 PCI_DEVICE_ID_SI_730,
1920                 PCI_DEVICE_ID_SI_550,   /* for SiS 550 VGA */
1921                 PCI_DEVICE_ID_SI_650,   /* for SiS 650/651/740 VGA */
1922                 PCI_DEVICE_ID_SI_651,
1923                 PCI_DEVICE_ID_SI_740,
1924                 PCI_DEVICE_ID_SI_661,   /* for SiS 661/741/660/760/761 VGA */
1925                 PCI_DEVICE_ID_SI_741,
1926                 PCI_DEVICE_ID_SI_660,
1927                 PCI_DEVICE_ID_SI_760,
1928                 PCI_DEVICE_ID_SI_761
1929         };
1930
1931         switch(basechipid) {
1932 #ifdef CONFIG_FB_SIS_300
1933         case SIS_540:   nbridgeidx = 0; nbridgenum = 1; break;
1934         case SIS_630:   nbridgeidx = 1; nbridgenum = 2; break;
1935 #endif
1936 #ifdef CONFIG_FB_SIS_315
1937         case SIS_550:   nbridgeidx = 3; nbridgenum = 1; break;
1938         case SIS_650:   nbridgeidx = 4; nbridgenum = 3; break;
1939         case SIS_660:   nbridgeidx = 7; nbridgenum = 5; break;
1940 #endif
1941         default:        return NULL;
1942         }
1943         for(i = 0; i < nbridgenum; i++) {
1944                 if((pdev = pci_get_device(PCI_VENDOR_ID_SI,
1945                                 nbridgeids[nbridgeidx+i], NULL)))
1946                         break;
1947         }
1948         return pdev;
1949 }
1950
1951 static int __devinit
1952 sisfb_get_dram_size(struct sis_video_info *ivideo)
1953 {
1954 #if defined(CONFIG_FB_SIS_300) || defined(CONFIG_FB_SIS_315)
1955         u8 reg;
1956 #endif
1957
1958         ivideo->video_size = 0;
1959         ivideo->UMAsize = ivideo->LFBsize = 0;
1960
1961         switch(ivideo->chip) {
1962 #ifdef CONFIG_FB_SIS_300
1963         case SIS_300:
1964                 inSISIDXREG(SISSR, 0x14, reg);
1965                 ivideo->video_size = ((reg & 0x3F) + 1) << 20;
1966                 break;
1967         case SIS_540:
1968         case SIS_630:
1969         case SIS_730:
1970                 if(!ivideo->nbridge)
1971                         return -1;
1972                 pci_read_config_byte(ivideo->nbridge, 0x63, &reg);
1973                 ivideo->video_size = 1 << (((reg & 0x70) >> 4) + 21);
1974                 break;
1975 #endif
1976 #ifdef CONFIG_FB_SIS_315
1977         case SIS_315H:
1978         case SIS_315PRO:
1979         case SIS_315:
1980                 inSISIDXREG(SISSR, 0x14, reg);
1981                 ivideo->video_size = (1 << ((reg & 0xf0) >> 4)) << 20;
1982                 switch((reg >> 2) & 0x03) {
1983                 case 0x01:
1984                 case 0x03:
1985                         ivideo->video_size <<= 1;
1986                         break;
1987                 case 0x02:
1988                         ivideo->video_size += (ivideo->video_size/2);
1989                 }
1990                 break;
1991         case SIS_330:
1992                 inSISIDXREG(SISSR, 0x14, reg);
1993                 ivideo->video_size = (1 << ((reg & 0xf0) >> 4)) << 20;
1994                 if(reg & 0x0c) ivideo->video_size <<= 1;
1995                 break;
1996         case SIS_550:
1997         case SIS_650:
1998         case SIS_740:
1999                 inSISIDXREG(SISSR, 0x14, reg);
2000                 ivideo->video_size = (((reg & 0x3f) + 1) << 2) << 20;
2001                 break;
2002         case SIS_661:
2003         case SIS_741:
2004                 inSISIDXREG(SISCR, 0x79, reg);
2005                 ivideo->video_size = (1 << ((reg & 0xf0) >> 4)) << 20;
2006                 break;
2007         case SIS_660:
2008         case SIS_760:
2009         case SIS_761:
2010                 inSISIDXREG(SISCR, 0x79, reg);
2011                 reg = (reg & 0xf0) >> 4;
2012                 if(reg) {
2013                         ivideo->video_size = (1 << reg) << 20;
2014                         ivideo->UMAsize = ivideo->video_size;
2015                 }
2016                 inSISIDXREG(SISCR, 0x78, reg);
2017                 reg &= 0x30;
2018                 if(reg) {
2019                         if(reg == 0x10) {
2020                                 ivideo->LFBsize = (32 << 20);
2021                         } else {
2022                                 ivideo->LFBsize = (64 << 20);
2023                         }
2024                         ivideo->video_size += ivideo->LFBsize;
2025                 }
2026                 break;
2027         case SIS_340:
2028         case XGI_20:
2029         case XGI_40:
2030                 inSISIDXREG(SISSR, 0x14, reg);
2031                 ivideo->video_size = (1 << ((reg & 0xf0) >> 4)) << 20;
2032                 if(ivideo->chip != XGI_20) {
2033                         reg = (reg & 0x0c) >> 2;
2034                         if(ivideo->revision_id == 2) {
2035                                 if(reg & 0x01) reg = 0x02;
2036                                 else           reg = 0x00;
2037                         }
2038                         if(reg == 0x02)         ivideo->video_size <<= 1;
2039                         else if(reg == 0x03)    ivideo->video_size <<= 2;
2040                 }
2041                 break;
2042 #endif
2043         default:
2044                 return -1;
2045         }
2046         return 0;
2047 }
2048
2049 /* -------------- video bridge device detection --------------- */
2050
2051 static void __devinit
2052 sisfb_detect_VB_connect(struct sis_video_info *ivideo)
2053 {
2054         u8 cr32, temp;
2055
2056         /* No CRT2 on XGI Z7 */
2057         if(ivideo->chip == XGI_20) {
2058                 ivideo->sisfb_crt1off = 0;
2059                 return;
2060         }
2061
2062 #ifdef CONFIG_FB_SIS_300
2063         if(ivideo->sisvga_engine == SIS_300_VGA) {
2064                 inSISIDXREG(SISSR, 0x17, temp);
2065                 if((temp & 0x0F) && (ivideo->chip != SIS_300)) {
2066                         /* PAL/NTSC is stored on SR16 on such machines */
2067                         if(!(ivideo->vbflags & (TV_PAL | TV_NTSC | TV_PALM | TV_PALN))) {
2068                                 inSISIDXREG(SISSR, 0x16, temp);
2069                                 if(temp & 0x20)
2070                                         ivideo->vbflags |= TV_PAL;
2071                                 else
2072                                         ivideo->vbflags |= TV_NTSC;
2073                         }
2074                 }
2075         }
2076 #endif
2077
2078         inSISIDXREG(SISCR, 0x32, cr32);
2079
2080         if(cr32 & SIS_CRT1) {
2081                 ivideo->sisfb_crt1off = 0;
2082         } else {
2083                 ivideo->sisfb_crt1off = (cr32 & 0xDF) ? 1 : 0;
2084         }
2085
2086         ivideo->vbflags &= ~(CRT2_TV | CRT2_LCD | CRT2_VGA);
2087
2088         if(cr32 & SIS_VB_TV)   ivideo->vbflags |= CRT2_TV;
2089         if(cr32 & SIS_VB_LCD)  ivideo->vbflags |= CRT2_LCD;
2090         if(cr32 & SIS_VB_CRT2) ivideo->vbflags |= CRT2_VGA;
2091
2092         /* Check given parms for hardware compatibility.
2093          * (Cannot do this in the search_xx routines since we don't
2094          * know what hardware we are running on then)
2095          */
2096
2097         if(ivideo->chip != SIS_550) {
2098            ivideo->sisfb_dstn = ivideo->sisfb_fstn = 0;
2099         }
2100
2101         if(ivideo->sisfb_tvplug != -1) {
2102            if( (ivideo->sisvga_engine != SIS_315_VGA) ||
2103                (!(ivideo->vbflags2 & VB2_SISYPBPRBRIDGE)) ) {
2104               if(ivideo->sisfb_tvplug & TV_YPBPR) {
2105                  ivideo->sisfb_tvplug = -1;
2106                  printk(KERN_ERR "sisfb: YPbPr not supported\n");
2107               }
2108            }
2109         }
2110         if(ivideo->sisfb_tvplug != -1) {
2111            if( (ivideo->sisvga_engine != SIS_315_VGA) ||
2112                (!(ivideo->vbflags2 & VB2_SISHIVISIONBRIDGE)) ) {
2113               if(ivideo->sisfb_tvplug & TV_HIVISION) {
2114                  ivideo->sisfb_tvplug = -1;
2115                  printk(KERN_ERR "sisfb: HiVision not supported\n");
2116               }
2117            }
2118         }
2119         if(ivideo->sisfb_tvstd != -1) {
2120            if( (!(ivideo->vbflags2 & VB2_SISBRIDGE)) &&
2121                (!((ivideo->sisvga_engine == SIS_315_VGA) &&
2122                         (ivideo->vbflags2 & VB2_CHRONTEL))) ) {
2123               if(ivideo->sisfb_tvstd & (TV_PALM | TV_PALN | TV_NTSCJ)) {
2124                  ivideo->sisfb_tvstd = -1;
2125                  printk(KERN_ERR "sisfb: PALM/PALN/NTSCJ not supported\n");
2126               }
2127            }
2128         }
2129
2130         /* Detect/set TV plug & type */
2131         if(ivideo->sisfb_tvplug != -1) {
2132                 ivideo->vbflags |= ivideo->sisfb_tvplug;
2133         } else {
2134                 if(cr32 & SIS_VB_YPBPR)          ivideo->vbflags |= (TV_YPBPR|TV_YPBPR525I); /* default: 480i */
2135                 else if(cr32 & SIS_VB_HIVISION)  ivideo->vbflags |= TV_HIVISION;
2136                 else if(cr32 & SIS_VB_SCART)     ivideo->vbflags |= TV_SCART;
2137                 else {
2138                         if(cr32 & SIS_VB_SVIDEO)    ivideo->vbflags |= TV_SVIDEO;
2139                         if(cr32 & SIS_VB_COMPOSITE) ivideo->vbflags |= TV_AVIDEO;
2140                 }
2141         }
2142
2143         if(!(ivideo->vbflags & (TV_YPBPR | TV_HIVISION))) {
2144             if(ivideo->sisfb_tvstd != -1) {
2145                ivideo->vbflags &= ~(TV_NTSC | TV_PAL | TV_PALM | TV_PALN | TV_NTSCJ);
2146                ivideo->vbflags |= ivideo->sisfb_tvstd;
2147             }
2148             if(ivideo->vbflags & TV_SCART) {
2149                ivideo->vbflags &= ~(TV_NTSC | TV_PALM | TV_PALN | TV_NTSCJ);
2150                ivideo->vbflags |= TV_PAL;
2151             }
2152             if(!(ivideo->vbflags & (TV_PAL | TV_NTSC | TV_PALM | TV_PALN | TV_NTSCJ))) {
2153                 if(ivideo->sisvga_engine == SIS_300_VGA) {
2154                         inSISIDXREG(SISSR, 0x38, temp);
2155                         if(temp & 0x01) ivideo->vbflags |= TV_PAL;
2156                         else            ivideo->vbflags |= TV_NTSC;
2157                 } else if((ivideo->chip <= SIS_315PRO) || (ivideo->chip >= SIS_330)) {
2158                         inSISIDXREG(SISSR, 0x38, temp);
2159                         if(temp & 0x01) ivideo->vbflags |= TV_PAL;
2160                         else            ivideo->vbflags |= TV_NTSC;
2161                 } else {
2162                         inSISIDXREG(SISCR, 0x79, temp);
2163                         if(temp & 0x20) ivideo->vbflags |= TV_PAL;
2164                         else            ivideo->vbflags |= TV_NTSC;
2165                 }
2166             }
2167         }
2168
2169         /* Copy forceCRT1 option to CRT1off if option is given */
2170         if(ivideo->sisfb_forcecrt1 != -1) {
2171            ivideo->sisfb_crt1off = (ivideo->sisfb_forcecrt1) ? 0 : 1;
2172         }
2173 }
2174
2175 /* ------------------ Sensing routines ------------------ */
2176
2177 static bool __devinit
2178 sisfb_test_DDC1(struct sis_video_info *ivideo)
2179 {
2180     unsigned short old;
2181     int count = 48;
2182
2183     old = SiS_ReadDDC1Bit(&ivideo->SiS_Pr);
2184     do {
2185         if(old != SiS_ReadDDC1Bit(&ivideo->SiS_Pr)) break;
2186     } while(count--);
2187     return (count != -1);
2188 }
2189
2190 static void __devinit
2191 sisfb_sense_crt1(struct sis_video_info *ivideo)
2192 {
2193     bool mustwait = false;
2194     u8  sr1F, cr17;
2195 #ifdef CONFIG_FB_SIS_315
2196     u8  cr63=0;
2197 #endif
2198     u16 temp = 0xffff;
2199     int i;
2200
2201     inSISIDXREG(SISSR,0x1F,sr1F);
2202     orSISIDXREG(SISSR,0x1F,0x04);
2203     andSISIDXREG(SISSR,0x1F,0x3F);
2204     if(sr1F & 0xc0) mustwait = true;
2205
2206 #ifdef CONFIG_FB_SIS_315
2207     if(ivideo->sisvga_engine == SIS_315_VGA) {
2208        inSISIDXREG(SISCR,ivideo->SiS_Pr.SiS_MyCR63,cr63);
2209        cr63 &= 0x40;
2210        andSISIDXREG(SISCR,ivideo->SiS_Pr.SiS_MyCR63,0xBF);
2211     }
2212 #endif
2213
2214     inSISIDXREG(SISCR,0x17,cr17);
2215     cr17 &= 0x80;
2216     if(!cr17) {
2217        orSISIDXREG(SISCR,0x17,0x80);
2218        mustwait = true;
2219        outSISIDXREG(SISSR, 0x00, 0x01);
2220        outSISIDXREG(SISSR, 0x00, 0x03);
2221     }
2222
2223     if(mustwait) {
2224        for(i=0; i < 10; i++) sisfbwaitretracecrt1(ivideo);
2225     }
2226
2227 #ifdef CONFIG_FB_SIS_315
2228     if(ivideo->chip >= SIS_330) {
2229        andSISIDXREG(SISCR,0x32,~0x20);
2230        if(ivideo->chip >= SIS_340) {
2231           outSISIDXREG(SISCR, 0x57, 0x4a);
2232        } else {
2233           outSISIDXREG(SISCR, 0x57, 0x5f);
2234        }
2235        orSISIDXREG(SISCR, 0x53, 0x02);
2236        while((inSISREG(SISINPSTAT)) & 0x01)    break;
2237        while(!((inSISREG(SISINPSTAT)) & 0x01)) break;
2238        if((inSISREG(SISMISCW)) & 0x10) temp = 1;
2239        andSISIDXREG(SISCR, 0x53, 0xfd);
2240        andSISIDXREG(SISCR, 0x57, 0x00);
2241     }
2242 #endif
2243
2244     if(temp == 0xffff) {
2245        i = 3;
2246        do {
2247           temp = SiS_HandleDDC(&ivideo->SiS_Pr, ivideo->vbflags,
2248                 ivideo->sisvga_engine, 0, 0, NULL, ivideo->vbflags2);
2249        } while(((temp == 0) || (temp == 0xffff)) && i--);
2250
2251        if((temp == 0) || (temp == 0xffff)) {
2252           if(sisfb_test_DDC1(ivideo)) temp = 1;
2253        }
2254     }
2255
2256     if((temp) && (temp != 0xffff)) {
2257        orSISIDXREG(SISCR,0x32,0x20);
2258     }
2259
2260 #ifdef CONFIG_FB_SIS_315
2261     if(ivideo->sisvga_engine == SIS_315_VGA) {
2262        setSISIDXREG(SISCR,ivideo->SiS_Pr.SiS_MyCR63,0xBF,cr63);
2263     }
2264 #endif
2265
2266     setSISIDXREG(SISCR,0x17,0x7F,cr17);
2267
2268     outSISIDXREG(SISSR,0x1F,sr1F);
2269 }
2270
2271 /* Determine and detect attached devices on SiS30x */
2272 static void __devinit
2273 SiS_SenseLCD(struct sis_video_info *ivideo)
2274 {
2275         unsigned char buffer[256];
2276         unsigned short temp, realcrtno, i;
2277         u8 reg, cr37 = 0, paneltype = 0;
2278         u16 xres, yres;
2279
2280         ivideo->SiS_Pr.PanelSelfDetected = false;
2281
2282         /* LCD detection only for TMDS bridges */
2283         if(!(ivideo->vbflags2 & VB2_SISTMDSBRIDGE))
2284                 return;
2285         if(ivideo->vbflags2 & VB2_30xBDH)
2286                 return;
2287
2288         /* If LCD already set up by BIOS, skip it */
2289         inSISIDXREG(SISCR, 0x32, reg);
2290         if(reg & 0x08)
2291                 return;
2292
2293         realcrtno = 1;
2294         if(ivideo->SiS_Pr.DDCPortMixup)
2295                 realcrtno = 0;
2296
2297         /* Check DDC capabilities */
2298         temp = SiS_HandleDDC(&ivideo->SiS_Pr, ivideo->vbflags, ivideo->sisvga_engine,
2299                                 realcrtno, 0, &buffer[0], ivideo->vbflags2);
2300
2301         if((!temp) || (temp == 0xffff) || (!(temp & 0x02)))
2302                 return;
2303
2304         /* Read DDC data */
2305         i = 3;  /* Number of retrys */
2306         do {
2307                 temp = SiS_HandleDDC(&ivideo->SiS_Pr, ivideo->vbflags,
2308                                 ivideo->sisvga_engine, realcrtno, 1,
2309                                 &buffer[0], ivideo->vbflags2);
2310         } while((temp) && i--);
2311
2312         if(temp)
2313                 return;
2314
2315         /* No digital device */
2316         if(!(buffer[0x14] & 0x80))
2317                 return;
2318
2319         /* First detailed timing preferred timing? */
2320         if(!(buffer[0x18] & 0x02))
2321                 return;
2322
2323         xres = buffer[0x38] | ((buffer[0x3a] & 0xf0) << 4);
2324         yres = buffer[0x3b] | ((buffer[0x3d] & 0xf0) << 4);
2325
2326         switch(xres) {
2327                 case 1024:
2328                         if(yres == 768)
2329                                 paneltype = 0x02;
2330                         break;
2331                 case 1280:
2332                         if(yres == 1024)
2333                                 paneltype = 0x03;
2334                         break;
2335                 case 1600:
2336                         if((yres == 1200) && (ivideo->vbflags2 & VB2_30xC))
2337                                 paneltype = 0x0b;
2338                         break;
2339         }
2340
2341         if(!paneltype)
2342                 return;
2343
2344         if(buffer[0x23])
2345                 cr37 |= 0x10;
2346
2347         if((buffer[0x47] & 0x18) == 0x18)
2348                 cr37 |= ((((buffer[0x47] & 0x06) ^ 0x06) << 5) | 0x20);
2349         else
2350                 cr37 |= 0xc0;
2351
2352         outSISIDXREG(SISCR, 0x36, paneltype);
2353         cr37 &= 0xf1;
2354         setSISIDXREG(SISCR, 0x37, 0x0c, cr37);
2355         orSISIDXREG(SISCR, 0x32, 0x08);
2356
2357         ivideo->SiS_Pr.PanelSelfDetected = true;
2358 }
2359
2360 static int __devinit
2361 SISDoSense(struct sis_video_info *ivideo, u16 type, u16 test)
2362 {
2363     int temp, mytest, result, i, j;
2364
2365     for(j = 0; j < 10; j++) {
2366        result = 0;
2367        for(i = 0; i < 3; i++) {
2368           mytest = test;
2369           outSISIDXREG(SISPART4,0x11,(type & 0x00ff));
2370           temp = (type >> 8) | (mytest & 0x00ff);
2371           setSISIDXREG(SISPART4,0x10,0xe0,temp);
2372           SiS_DDC2Delay(&ivideo->SiS_Pr, 0x1500);
2373           mytest >>= 8;
2374           mytest &= 0x7f;
2375           inSISIDXREG(SISPART4,0x03,temp);
2376           temp ^= 0x0e;
2377           temp &= mytest;
2378           if(temp == mytest) result++;
2379 #if 1
2380           outSISIDXREG(SISPART4,0x11,0x00);
2381           andSISIDXREG(SISPART4,0x10,0xe0);
2382           SiS_DDC2Delay(&ivideo->SiS_Pr, 0x1000);
2383 #endif
2384        }
2385        if((result == 0) || (result >= 2)) break;
2386     }
2387     return result;
2388 }
2389
2390 static void __devinit
2391 SiS_Sense30x(struct sis_video_info *ivideo)
2392 {
2393     u8  backupP4_0d,backupP2_00,backupP2_4d,backupSR_1e,biosflag=0;
2394     u16 svhs=0, svhs_c=0;
2395     u16 cvbs=0, cvbs_c=0;
2396     u16 vga2=0, vga2_c=0;
2397     int myflag, result;
2398     char stdstr[] = "sisfb: Detected";
2399     char tvstr[]  = "TV connected to";
2400
2401     if(ivideo->vbflags2 & VB2_301) {
2402        svhs = 0x00b9; cvbs = 0x00b3; vga2 = 0x00d1;
2403        inSISIDXREG(SISPART4,0x01,myflag);
2404        if(myflag & 0x04) {
2405           svhs = 0x00dd; cvbs = 0x00ee; vga2 = 0x00fd;
2406        }
2407     } else if(ivideo->vbflags2 & (VB2_301B | VB2_302B)) {
2408        svhs = 0x016b; cvbs = 0x0174; vga2 = 0x0190;
2409     } else if(ivideo->vbflags2 & (VB2_301LV | VB2_302LV)) {
2410        svhs = 0x0200; cvbs = 0x0100;
2411     } else if(ivideo->vbflags2 & (VB2_301C | VB2_302ELV | VB2_307T | VB2_307LV)) {
2412        svhs = 0x016b; cvbs = 0x0110; vga2 = 0x0190;
2413     } else
2414        return;
2415
2416     vga2_c = 0x0e08; svhs_c = 0x0404; cvbs_c = 0x0804;
2417     if(ivideo->vbflags & (VB2_301LV|VB2_302LV|VB2_302ELV|VB2_307LV)) {
2418        svhs_c = 0x0408; cvbs_c = 0x0808;
2419     }
2420
2421     biosflag = 2;
2422     if(ivideo->haveXGIROM) {
2423        biosflag = ivideo->bios_abase[0x58] & 0x03;
2424     } else if(ivideo->newrom) {
2425        if(ivideo->bios_abase[0x5d] & 0x04) biosflag |= 0x01;
2426     } else if(ivideo->sisvga_engine == SIS_300_VGA) {
2427        if(ivideo->bios_abase) {
2428           biosflag = ivideo->bios_abase[0xfe] & 0x03;
2429        }
2430     }
2431
2432     if(ivideo->chip == SIS_300) {
2433        inSISIDXREG(SISSR,0x3b,myflag);
2434        if(!(myflag & 0x01)) vga2 = vga2_c = 0;
2435     }
2436
2437     if(!(ivideo->vbflags2 & VB2_SISVGA2BRIDGE)) {
2438        vga2 = vga2_c = 0;
2439     }
2440
2441     inSISIDXREG(SISSR,0x1e,backupSR_1e);
2442     orSISIDXREG(SISSR,0x1e,0x20);
2443
2444     inSISIDXREG(SISPART4,0x0d,backupP4_0d);
2445     if(ivideo->vbflags2 & VB2_30xC) {
2446        setSISIDXREG(SISPART4,0x0d,~0x07,0x01);
2447     } else {
2448        orSISIDXREG(SISPART4,0x0d,0x04);
2449     }
2450     SiS_DDC2Delay(&ivideo->SiS_Pr, 0x2000);
2451
2452     inSISIDXREG(SISPART2,0x00,backupP2_00);
2453     outSISIDXREG(SISPART2,0x00,((backupP2_00 | 0x1c) & 0xfc));
2454
2455     inSISIDXREG(SISPART2,0x4d,backupP2_4d);
2456     if(ivideo->vbflags2 & VB2_SISYPBPRBRIDGE) {
2457        outSISIDXREG(SISPART2,0x4d,(backupP2_4d & ~0x10));
2458     }
2459
2460     if(!(ivideo->vbflags2 & VB2_30xCLV)) {
2461        SISDoSense(ivideo, 0, 0);
2462     }
2463
2464     andSISIDXREG(SISCR, 0x32, ~0x14);
2465
2466     if(vga2_c || vga2) {
2467        if(SISDoSense(ivideo, vga2, vga2_c)) {
2468           if(biosflag & 0x01) {
2469              printk(KERN_INFO "%s %s SCART output\n", stdstr, tvstr);
2470              orSISIDXREG(SISCR, 0x32, 0x04);
2471           } else {
2472              printk(KERN_INFO "%s secondary VGA connection\n", stdstr);
2473              orSISIDXREG(SISCR, 0x32, 0x10);
2474           }
2475        }
2476     }
2477
2478     andSISIDXREG(SISCR, 0x32, 0x3f);
2479
2480     if(ivideo->vbflags2 & VB2_30xCLV) {
2481        orSISIDXREG(SISPART4,0x0d,0x04);
2482     }
2483
2484     if((ivideo->sisvga_engine == SIS_315_VGA) && (ivideo->vbflags2 & VB2_SISYPBPRBRIDGE)) {
2485        outSISIDXREG(SISPART2,0x4d,(backupP2_4d | 0x10));
2486        SiS_DDC2Delay(&ivideo->SiS_Pr, 0x2000);
2487        if((result = SISDoSense(ivideo, svhs, 0x0604))) {
2488           if((result = SISDoSense(ivideo, cvbs, 0x0804))) {
2489              printk(KERN_INFO "%s %s YPbPr component output\n", stdstr, tvstr);
2490              orSISIDXREG(SISCR,0x32,0x80);
2491           }
2492        }
2493        outSISIDXREG(SISPART2,0x4d,backupP2_4d);
2494     }
2495
2496     andSISIDXREG(SISCR, 0x32, ~0x03);
2497
2498     if(!(ivideo->vbflags & TV_YPBPR)) {
2499        if((result = SISDoSense(ivideo, svhs, svhs_c))) {
2500           printk(KERN_INFO "%s %s SVIDEO output\n", stdstr, tvstr);
2501           orSISIDXREG(SISCR, 0x32, 0x02);
2502        }
2503        if((biosflag & 0x02) || (!result)) {
2504           if(SISDoSense(ivideo, cvbs, cvbs_c)) {
2505              printk(KERN_INFO "%s %s COMPOSITE output\n", stdstr, tvstr);
2506              orSISIDXREG(SISCR, 0x32, 0x01);
2507           }
2508        }
2509     }
2510
2511     SISDoSense(ivideo, 0, 0);
2512
2513     outSISIDXREG(SISPART2,0x00,backupP2_00);
2514     outSISIDXREG(SISPART4,0x0d,backupP4_0d);
2515     outSISIDXREG(SISSR,0x1e,backupSR_1e);
2516
2517     if(ivideo->vbflags2 & VB2_30xCLV) {
2518        inSISIDXREG(SISPART2,0x00,biosflag);
2519        if(biosflag & 0x20) {
2520           for(myflag = 2; myflag > 0; myflag--) {
2521              biosflag ^= 0x20;
2522              outSISIDXREG(SISPART2,0x00,biosflag);
2523           }
2524        }
2525     }
2526
2527     outSISIDXREG(SISPART2,0x00,backupP2_00);
2528 }
2529
2530 /* Determine and detect attached TV's on Chrontel */
2531 static void __devinit
2532 SiS_SenseCh(struct sis_video_info *ivideo)
2533 {
2534 #if defined(CONFIG_FB_SIS_300) || defined(CONFIG_FB_SIS_315)
2535     u8 temp1, temp2;
2536     char stdstr[] = "sisfb: Chrontel: Detected TV connected to";
2537 #endif
2538 #ifdef CONFIG_FB_SIS_300
2539     unsigned char test[3];
2540     int i;
2541 #endif
2542
2543     if(ivideo->chip < SIS_315H) {
2544
2545 #ifdef CONFIG_FB_SIS_300
2546        ivideo->SiS_Pr.SiS_IF_DEF_CH70xx = 1;            /* Chrontel 700x */
2547        SiS_SetChrontelGPIO(&ivideo->SiS_Pr, 0x9c);      /* Set general purpose IO for Chrontel communication */
2548        SiS_DDC2Delay(&ivideo->SiS_Pr, 1000);
2549        temp1 = SiS_GetCH700x(&ivideo->SiS_Pr, 0x25);
2550        /* See Chrontel TB31 for explanation */
2551        temp2 = SiS_GetCH700x(&ivideo->SiS_Pr, 0x0e);
2552        if(((temp2 & 0x07) == 0x01) || (temp2 & 0x04)) {
2553           SiS_SetCH700x(&ivideo->SiS_Pr, 0x0e, 0x0b);
2554           SiS_DDC2Delay(&ivideo->SiS_Pr, 300);
2555        }
2556        temp2 = SiS_GetCH700x(&ivideo->SiS_Pr, 0x25);
2557        if(temp2 != temp1) temp1 = temp2;
2558
2559        if((temp1 >= 0x22) && (temp1 <= 0x50)) {
2560            /* Read power status */
2561            temp1 = SiS_GetCH700x(&ivideo->SiS_Pr, 0x0e);
2562            if((temp1 & 0x03) != 0x03) {
2563                 /* Power all outputs */
2564                 SiS_SetCH700x(&ivideo->SiS_Pr, 0x0e,0x0b);
2565                 SiS_DDC2Delay(&ivideo->SiS_Pr, 300);
2566            }
2567            /* Sense connected TV devices */
2568            for(i = 0; i < 3; i++) {
2569                SiS_SetCH700x(&ivideo->SiS_Pr, 0x10, 0x01);
2570                SiS_DDC2Delay(&ivideo->SiS_Pr, 0x96);
2571                SiS_SetCH700x(&ivideo->SiS_Pr, 0x10, 0x00);
2572                SiS_DDC2Delay(&ivideo->SiS_Pr, 0x96);
2573                temp1 = SiS_GetCH700x(&ivideo->SiS_Pr, 0x10);
2574                if(!(temp1 & 0x08))       test[i] = 0x02;
2575                else if(!(temp1 & 0x02))  test[i] = 0x01;
2576                else                      test[i] = 0;
2577                SiS_DDC2Delay(&ivideo->SiS_Pr, 0x96);
2578            }
2579
2580            if(test[0] == test[1])      temp1 = test[0];
2581            else if(test[0] == test[2]) temp1 = test[0];
2582            else if(test[1] == test[2]) temp1 = test[1];
2583            else {
2584                 printk(KERN_INFO
2585                         "sisfb: TV detection unreliable - test results varied\n");
2586                 temp1 = test[2];
2587            }
2588            if(temp1 == 0x02) {
2589                 printk(KERN_INFO "%s SVIDEO output\n", stdstr);
2590                 ivideo->vbflags |= TV_SVIDEO;
2591                 orSISIDXREG(SISCR, 0x32, 0x02);
2592                 andSISIDXREG(SISCR, 0x32, ~0x05);
2593            } else if (temp1 == 0x01) {
2594                 printk(KERN_INFO "%s CVBS output\n", stdstr);
2595                 ivideo->vbflags |= TV_AVIDEO;
2596                 orSISIDXREG(SISCR, 0x32, 0x01);
2597                 andSISIDXREG(SISCR, 0x32, ~0x06);
2598            } else {
2599                 SiS_SetCH70xxANDOR(&ivideo->SiS_Pr, 0x0e, 0x01, 0xF8);
2600                 andSISIDXREG(SISCR, 0x32, ~0x07);
2601            }
2602        } else if(temp1 == 0) {
2603           SiS_SetCH70xxANDOR(&ivideo->SiS_Pr, 0x0e, 0x01, 0xF8);
2604           andSISIDXREG(SISCR, 0x32, ~0x07);
2605        }
2606        /* Set general purpose IO for Chrontel communication */
2607        SiS_SetChrontelGPIO(&ivideo->SiS_Pr, 0x00);
2608 #endif
2609
2610     } else {
2611
2612 #ifdef CONFIG_FB_SIS_315
2613         ivideo->SiS_Pr.SiS_IF_DEF_CH70xx = 2;           /* Chrontel 7019 */
2614         temp1 = SiS_GetCH701x(&ivideo->SiS_Pr, 0x49);
2615         SiS_SetCH701x(&ivideo->SiS_Pr, 0x49, 0x20);
2616         SiS_DDC2Delay(&ivideo->SiS_Pr, 0x96);
2617         temp2 = SiS_GetCH701x(&ivideo->SiS_Pr, 0x20);
2618         temp2 |= 0x01;
2619         SiS_SetCH701x(&ivideo->SiS_Pr, 0x20, temp2);
2620         SiS_DDC2Delay(&ivideo->SiS_Pr, 0x96);
2621         temp2 ^= 0x01;
2622         SiS_SetCH701x(&ivideo->SiS_Pr, 0x20, temp2);
2623         SiS_DDC2Delay(&ivideo->SiS_Pr, 0x96);
2624         temp2 = SiS_GetCH701x(&ivideo->SiS_Pr, 0x20);
2625         SiS_SetCH701x(&ivideo->SiS_Pr, 0x49, temp1);
2626         temp1 = 0;
2627         if(temp2 & 0x02) temp1 |= 0x01;
2628         if(temp2 & 0x10) temp1 |= 0x01;
2629         if(temp2 & 0x04) temp1 |= 0x02;
2630         if( (temp1 & 0x01) && (temp1 & 0x02) ) temp1 = 0x04;
2631         switch(temp1) {
2632         case 0x01:
2633              printk(KERN_INFO "%s CVBS output\n", stdstr);
2634              ivideo->vbflags |= TV_AVIDEO;
2635              orSISIDXREG(SISCR, 0x32, 0x01);
2636              andSISIDXREG(SISCR, 0x32, ~0x06);
2637              break;
2638         case 0x02:
2639              printk(KERN_INFO "%s SVIDEO output\n", stdstr);
2640              ivideo->vbflags |= TV_SVIDEO;
2641              orSISIDXREG(SISCR, 0x32, 0x02);
2642              andSISIDXREG(SISCR, 0x32, ~0x05);
2643              break;
2644         case 0x04:
2645              printk(KERN_INFO "%s SCART output\n", stdstr);
2646              orSISIDXREG(SISCR, 0x32, 0x04);
2647              andSISIDXREG(SISCR, 0x32, ~0x03);
2648              break;
2649         default:
2650              andSISIDXREG(SISCR, 0x32, ~0x07);
2651         }
2652 #endif
2653     }
2654 }
2655
2656 static void __devinit
2657 sisfb_get_VB_type(struct sis_video_info *ivideo)
2658 {
2659         char stdstr[]    = "sisfb: Detected";
2660         char bridgestr[] = "video bridge";
2661         u8 vb_chipid;
2662         u8 reg;
2663
2664         /* No CRT2 on XGI Z7 */
2665         if(ivideo->chip == XGI_20)
2666                 return;
2667
2668         inSISIDXREG(SISPART4, 0x00, vb_chipid);
2669         switch(vb_chipid) {
2670         case 0x01:
2671                 inSISIDXREG(SISPART4, 0x01, reg);
2672                 if(reg < 0xb0) {
2673                         ivideo->vbflags |= VB_301;      /* Deprecated */
2674                         ivideo->vbflags2 |= VB2_301;
2675                         printk(KERN_INFO "%s SiS301 %s\n", stdstr, bridgestr);
2676                 } else if(reg < 0xc0) {
2677                         ivideo->vbflags |= VB_301B;     /* Deprecated */
2678                         ivideo->vbflags2 |= VB2_301B;
2679                         inSISIDXREG(SISPART4,0x23,reg);
2680                         if(!(reg & 0x02)) {
2681                            ivideo->vbflags |= VB_30xBDH;        /* Deprecated */
2682                            ivideo->vbflags2 |= VB2_30xBDH;
2683                            printk(KERN_INFO "%s SiS301B-DH %s\n", stdstr, bridgestr);
2684                         } else {
2685                            printk(KERN_INFO "%s SiS301B %s\n", stdstr, bridgestr);
2686                         }
2687                 } else if(reg < 0xd0) {
2688                         ivideo->vbflags |= VB_301C;     /* Deprecated */
2689                         ivideo->vbflags2 |= VB2_301C;
2690                         printk(KERN_INFO "%s SiS301C %s\n", stdstr, bridgestr);
2691                 } else if(reg < 0xe0) {
2692                         ivideo->vbflags |= VB_301LV;    /* Deprecated */
2693                         ivideo->vbflags2 |= VB2_301LV;
2694                         printk(KERN_INFO "%s SiS301LV %s\n", stdstr, bridgestr);
2695                 } else if(reg <= 0xe1) {
2696                         inSISIDXREG(SISPART4,0x39,reg);
2697                         if(reg == 0xff) {
2698                            ivideo->vbflags |= VB_302LV; /* Deprecated */
2699                            ivideo->vbflags2 |= VB2_302LV;
2700                            printk(KERN_INFO "%s SiS302LV %s\n", stdstr, bridgestr);
2701                         } else {
2702                            ivideo->vbflags |= VB_301C;  /* Deprecated */
2703                            ivideo->vbflags2 |= VB2_301C;
2704                            printk(KERN_INFO "%s SiS301C(P4) %s\n", stdstr, bridgestr);
2705 #if 0
2706                            ivideo->vbflags |= VB_302ELV;        /* Deprecated */
2707                            ivideo->vbflags2 |= VB2_302ELV;
2708                            printk(KERN_INFO "%s SiS302ELV %s\n", stdstr, bridgestr);
2709 #endif
2710                         }
2711                 }
2712                 break;
2713         case 0x02:
2714                 ivideo->vbflags |= VB_302B;     /* Deprecated */
2715                 ivideo->vbflags2 |= VB2_302B;
2716                 printk(KERN_INFO "%s SiS302B %s\n", stdstr, bridgestr);
2717                 break;
2718         }
2719
2720         if((!(ivideo->vbflags2 & VB2_VIDEOBRIDGE)) && (ivideo->chip != SIS_300)) {
2721                 inSISIDXREG(SISCR, 0x37, reg);
2722                 reg &= SIS_EXTERNAL_CHIP_MASK;
2723                 reg >>= 1;
2724                 if(ivideo->sisvga_engine == SIS_300_VGA) {
2725 #ifdef CONFIG_FB_SIS_300
2726                         switch(reg) {
2727                            case SIS_EXTERNAL_CHIP_LVDS:
2728                                 ivideo->vbflags |= VB_LVDS;     /* Deprecated */
2729                                 ivideo->vbflags2 |= VB2_LVDS;
2730                                 break;
2731                            case SIS_EXTERNAL_CHIP_TRUMPION:
2732                                 ivideo->vbflags |= (VB_LVDS | VB_TRUMPION);     /* Deprecated */
2733                                 ivideo->vbflags2 |= (VB2_LVDS | VB2_TRUMPION);
2734                                 break;
2735                            case SIS_EXTERNAL_CHIP_CHRONTEL:
2736                                 ivideo->vbflags |= VB_CHRONTEL; /* Deprecated */
2737                                 ivideo->vbflags2 |= VB2_CHRONTEL;
2738                                 break;
2739                            case SIS_EXTERNAL_CHIP_LVDS_CHRONTEL:
2740                                 ivideo->vbflags |= (VB_LVDS | VB_CHRONTEL);     /* Deprecated */
2741                                 ivideo->vbflags2 |= (VB2_LVDS | VB2_CHRONTEL);
2742                                 break;
2743                         }
2744                         if(ivideo->vbflags2 & VB2_CHRONTEL) ivideo->chronteltype = 1;
2745 #endif
2746                 } else if(ivideo->chip < SIS_661) {
2747 #ifdef CONFIG_FB_SIS_315
2748                         switch (reg) {
2749                            case SIS310_EXTERNAL_CHIP_LVDS:
2750                                 ivideo->vbflags |= VB_LVDS;     /* Deprecated */
2751                                 ivideo->vbflags2 |= VB2_LVDS;
2752                                 break;
2753                            case SIS310_EXTERNAL_CHIP_LVDS_CHRONTEL:
2754                                 ivideo->vbflags |= (VB_LVDS | VB_CHRONTEL);     /* Deprecated */
2755                                 ivideo->vbflags2 |= (VB2_LVDS | VB2_CHRONTEL);
2756                                 break;
2757                         }
2758                         if(ivideo->vbflags2 & VB2_CHRONTEL) ivideo->chronteltype = 2;
2759 #endif
2760                 } else if(ivideo->chip >= SIS_661) {
2761 #ifdef CONFIG_FB_SIS_315
2762                         inSISIDXREG(SISCR, 0x38, reg);
2763                         reg >>= 5;
2764                         switch(reg) {
2765                            case 0x02:
2766                                 ivideo->vbflags |= VB_LVDS;     /* Deprecated */
2767                                 ivideo->vbflags2 |= VB2_LVDS;
2768                                 break;
2769                            case 0x03:
2770                                 ivideo->vbflags |= (VB_LVDS | VB_CHRONTEL);     /* Deprecated */
2771                                 ivideo->vbflags2 |= (VB2_LVDS | VB2_CHRONTEL);
2772                                 break;
2773                            case 0x04:
2774                                 ivideo->vbflags |= (VB_LVDS | VB_CONEXANT);     /* Deprecated */
2775                                 ivideo->vbflags2 |= (VB2_LVDS | VB2_CONEXANT);
2776                                 break;
2777                         }
2778                         if(ivideo->vbflags2 & VB2_CHRONTEL) ivideo->chronteltype = 2;
2779 #endif
2780                 }
2781                 if(ivideo->vbflags2 & VB2_LVDS) {
2782                    printk(KERN_INFO "%s LVDS transmitter\n", stdstr);
2783                 }
2784                 if((ivideo->sisvga_engine == SIS_300_VGA) && (ivideo->vbflags2 & VB2_TRUMPION)) {
2785                    printk(KERN_INFO "%s Trumpion Zurac LCD scaler\n", stdstr);
2786                 }
2787                 if(ivideo->vbflags2 & VB2_CHRONTEL) {
2788                    printk(KERN_INFO "%s Chrontel TV encoder\n", stdstr);
2789                 }
2790                 if((ivideo->chip >= SIS_661) && (ivideo->vbflags2 & VB2_CONEXANT)) {
2791                    printk(KERN_INFO "%s Conexant external device\n", stdstr);
2792                 }
2793         }
2794
2795         if(ivideo->vbflags2 & VB2_SISBRIDGE) {
2796                 SiS_SenseLCD(ivideo);
2797                 SiS_Sense30x(ivideo);
2798         } else if(ivideo->vbflags2 & VB2_CHRONTEL) {
2799                 SiS_SenseCh(ivideo);
2800         }
2801 }
2802
2803 /* ---------- Engine initialization routines ------------ */
2804
2805 static void
2806 sisfb_engine_init(struct sis_video_info *ivideo)
2807 {
2808
2809         /* Initialize command queue (we use MMIO only) */
2810
2811         /* BEFORE THIS IS CALLED, THE ENGINES *MUST* BE SYNC'ED */
2812
2813         ivideo->caps &= ~(TURBO_QUEUE_CAP    |
2814                           MMIO_CMD_QUEUE_CAP |
2815                           VM_CMD_QUEUE_CAP   |
2816                           AGP_CMD_QUEUE_CAP);
2817
2818 #ifdef CONFIG_FB_SIS_300
2819         if(ivideo->sisvga_engine == SIS_300_VGA) {
2820                 u32 tqueue_pos;
2821                 u8 tq_state;
2822
2823                 tqueue_pos = (ivideo->video_size - ivideo->cmdQueueSize) / (64 * 1024);
2824
2825                 inSISIDXREG(SISSR, IND_SIS_TURBOQUEUE_SET, tq_state);
2826                 tq_state |= 0xf0;
2827                 tq_state &= 0xfc;
2828                 tq_state |= (u8)(tqueue_pos >> 8);
2829                 outSISIDXREG(SISSR, IND_SIS_TURBOQUEUE_SET, tq_state);
2830
2831                 outSISIDXREG(SISSR, IND_SIS_TURBOQUEUE_ADR, (u8)(tqueue_pos & 0xff));
2832
2833                 ivideo->caps |= TURBO_QUEUE_CAP;
2834         }
2835 #endif
2836
2837 #ifdef CONFIG_FB_SIS_315
2838         if(ivideo->sisvga_engine == SIS_315_VGA) {
2839                 u32 tempq = 0, templ;
2840                 u8  temp;
2841
2842                 if(ivideo->chip == XGI_20) {
2843                         switch(ivideo->cmdQueueSize) {
2844                         case (64 * 1024):
2845                                 temp = SIS_CMD_QUEUE_SIZE_Z7_64k;
2846                                 break;
2847                         case (128 * 1024):
2848                         default:
2849                                 temp = SIS_CMD_QUEUE_SIZE_Z7_128k;
2850                         }
2851                 } else {
2852                         switch(ivideo->cmdQueueSize) {
2853                         case (4 * 1024 * 1024):
2854                                 temp = SIS_CMD_QUEUE_SIZE_4M;
2855                                 break;
2856                         case (2 * 1024 * 1024):
2857                                 temp = SIS_CMD_QUEUE_SIZE_2M;
2858                                 break;
2859                         case (1 * 1024 * 1024):
2860                                 temp = SIS_CMD_QUEUE_SIZE_1M;
2861                                 break;
2862                         default:
2863                         case (512 * 1024):
2864                                 temp = SIS_CMD_QUEUE_SIZE_512k;
2865                         }
2866                 }
2867
2868                 outSISIDXREG(SISSR, IND_SIS_CMDQUEUE_THRESHOLD, COMMAND_QUEUE_THRESHOLD);
2869                 outSISIDXREG(SISSR, IND_SIS_CMDQUEUE_SET, SIS_CMD_QUEUE_RESET);
2870
2871                 if((ivideo->chip >= XGI_40) && ivideo->modechanged) {
2872                         /* Must disable dual pipe on XGI_40. Can't do
2873                          * this in MMIO mode, because it requires
2874                          * setting/clearing a bit in the MMIO fire trigger
2875                          * register.
2876                          */
2877                         if(!((templ = MMIO_IN32(ivideo->mmio_vbase, 0x8240)) & (1 << 10))) {
2878
2879                                 MMIO_OUT32(ivideo->mmio_vbase, Q_WRITE_PTR, 0);
2880
2881                                 outSISIDXREG(SISSR, IND_SIS_CMDQUEUE_SET, (temp | SIS_VRAM_CMDQUEUE_ENABLE));
2882
2883                                 tempq = MMIO_IN32(ivideo->mmio_vbase, Q_READ_PTR);
2884                                 MMIO_OUT32(ivideo->mmio_vbase, Q_WRITE_PTR, tempq);
2885
2886                                 tempq = (u32)(ivideo->video_size - ivideo->cmdQueueSize);
2887                                 MMIO_OUT32(ivideo->mmio_vbase, Q_BASE_ADDR, tempq);
2888
2889                                 writel(0x16800000 + 0x8240, ivideo->video_vbase + tempq);
2890                                 writel(templ | (1 << 10), ivideo->video_vbase + tempq + 4);
2891                                 writel(0x168F0000, ivideo->video_vbase + tempq + 8);
2892                                 writel(0x168F0000, ivideo->video_vbase + tempq + 12);
2893
2894                                 MMIO_OUT32(ivideo->mmio_vbase, Q_WRITE_PTR, (tempq + 16));
2895
2896                                 sisfb_syncaccel(ivideo);
2897
2898                                 outSISIDXREG(SISSR, IND_SIS_CMDQUEUE_SET, SIS_CMD_QUEUE_RESET);
2899
2900                         }
2901                 }
2902
2903                 tempq = MMIO_IN32(ivideo->mmio_vbase, MMIO_QUEUE_READPORT);
2904                 MMIO_OUT32(ivideo->mmio_vbase, MMIO_QUEUE_WRITEPORT, tempq);
2905
2906                 temp |= (SIS_MMIO_CMD_ENABLE | SIS_CMD_AUTO_CORR);
2907                 outSISIDXREG(SISSR, IND_SIS_CMDQUEUE_SET, temp);
2908
2909                 tempq = (u32)(ivideo->video_size - ivideo->cmdQueueSize);
2910                 MMIO_OUT32(ivideo->mmio_vbase, MMIO_QUEUE_PHYBASE, tempq);
2911
2912                 ivideo->caps |= MMIO_CMD_QUEUE_CAP;
2913         }
2914 #endif
2915
2916         ivideo->engineok = 1;
2917 }
2918
2919 static void __devinit
2920 sisfb_detect_lcd_type(struct sis_video_info *ivideo)
2921 {
2922         u8 reg;
2923         int i;
2924
2925         inSISIDXREG(SISCR, 0x36, reg);
2926         reg &= 0x0f;
2927         if(ivideo->sisvga_engine == SIS_300_VGA) {
2928                 ivideo->CRT2LCDType = sis300paneltype[reg];
2929         } else if(ivideo->chip >= SIS_661) {
2930                 ivideo->CRT2LCDType = sis661paneltype[reg];
2931         } else {
2932                 ivideo->CRT2LCDType = sis310paneltype[reg];
2933                 if((ivideo->chip == SIS_550) && (sisfb_fstn)) {
2934                         if((ivideo->CRT2LCDType != LCD_320x240_2) &&
2935                            (ivideo->CRT2LCDType != LCD_320x240_3)) {
2936                                 ivideo->CRT2LCDType = LCD_320x240;
2937                         }
2938                 }
2939         }
2940
2941         if(ivideo->CRT2LCDType == LCD_UNKNOWN) {
2942                 /* For broken BIOSes: Assume 1024x768, RGB18 */
2943                 ivideo->CRT2LCDType = LCD_1024x768;
2944                 setSISIDXREG(SISCR,0x36,0xf0,0x02);
2945                 setSISIDXREG(SISCR,0x37,0xee,0x01);
2946                 printk(KERN_DEBUG "sisfb: Invalid panel ID (%02x), assuming 1024x768, RGB18\n", reg);
2947         }
2948
2949         for(i = 0; i < SIS_LCD_NUMBER; i++) {
2950                 if(ivideo->CRT2LCDType == sis_lcd_data[i].lcdtype) {
2951                         ivideo->lcdxres = sis_lcd_data[i].xres;
2952                         ivideo->lcdyres = sis_lcd_data[i].yres;
2953                         ivideo->lcddefmodeidx = sis_lcd_data[i].default_mode_idx;
2954                         break;
2955                 }
2956         }
2957
2958 #ifdef CONFIG_FB_SIS_300
2959         if(ivideo->SiS_Pr.SiS_CustomT == CUT_BARCO1366) {
2960                 ivideo->lcdxres = 1360; ivideo->lcdyres = 1024;
2961                 ivideo->lcddefmodeidx = DEFAULT_MODE_1360;
2962         } else if(ivideo->SiS_Pr.SiS_CustomT == CUT_PANEL848) {
2963                 ivideo->lcdxres =  848; ivideo->lcdyres =  480;
2964                 ivideo->lcddefmodeidx = DEFAULT_MODE_848;
2965         } else if(ivideo->SiS_Pr.SiS_CustomT == CUT_PANEL856) {
2966                 ivideo->lcdxres =  856; ivideo->lcdyres =  480;
2967                 ivideo->lcddefmodeidx = DEFAULT_MODE_856;
2968         }
2969 #endif
2970
2971         printk(KERN_DEBUG "sisfb: Detected %dx%d flat panel\n",
2972                         ivideo->lcdxres, ivideo->lcdyres);
2973 }
2974
2975 static void __devinit
2976 sisfb_save_pdc_emi(struct sis_video_info *ivideo)
2977 {
2978 #ifdef CONFIG_FB_SIS_300
2979         /* Save the current PanelDelayCompensation if the LCD is currently used */
2980         if(ivideo->sisvga_engine == SIS_300_VGA) {
2981                 if(ivideo->vbflags2 & (VB2_LVDS | VB2_30xBDH)) {
2982                         int tmp;
2983                         inSISIDXREG(SISCR,0x30,tmp);
2984                         if(tmp & 0x20) {
2985                                 /* Currently on LCD? If yes, read current pdc */
2986                                 inSISIDXREG(SISPART1,0x13,ivideo->detectedpdc);
2987                                 ivideo->detectedpdc &= 0x3c;
2988                                 if(ivideo->SiS_Pr.PDC == -1) {
2989                                         /* Let option override detection */
2990                                         ivideo->SiS_Pr.PDC = ivideo->detectedpdc;
2991                                 }
2992                                 printk(KERN_INFO "sisfb: Detected LCD PDC 0x%02x\n",
2993                                         ivideo->detectedpdc);
2994                         }
2995                         if((ivideo->SiS_Pr.PDC != -1) &&
2996                            (ivideo->SiS_Pr.PDC != ivideo->detectedpdc)) {
2997                                 printk(KERN_INFO "sisfb: Using LCD PDC 0x%02x\n",
2998                                         ivideo->SiS_Pr.PDC);
2999                         }
3000                 }
3001         }
3002 #endif
3003
3004 #ifdef CONFIG_FB_SIS_315
3005         if(ivideo->sisvga_engine == SIS_315_VGA) {
3006
3007                 /* Try to find about LCDA */
3008                 if(ivideo->vbflags2 & VB2_SISLCDABRIDGE) {
3009                         int tmp;
3010                         inSISIDXREG(SISPART1,0x13,tmp);
3011                         if(tmp & 0x04) {
3012                                 ivideo->SiS_Pr.SiS_UseLCDA = true;
3013                                 ivideo->detectedlcda = 0x03;
3014                         }
3015                 }
3016
3017                 /* Save PDC */
3018                 if(ivideo->vbflags2 & VB2_SISLVDSBRIDGE) {
3019                         int tmp;
3020                         inSISIDXREG(SISCR,0x30,tmp);
3021                         if((tmp & 0x20) || (ivideo->detectedlcda != 0xff)) {
3022                                 /* Currently on LCD? If yes, read current pdc */
3023                                 u8 pdc;
3024                                 inSISIDXREG(SISPART1,0x2D,pdc);
3025                                 ivideo->detectedpdc  = (pdc & 0x0f) << 1;
3026                                 ivideo->detectedpdca = (pdc & 0xf0) >> 3;
3027                                 inSISIDXREG(SISPART1,0x35,pdc);
3028                                 ivideo->detectedpdc |= ((pdc >> 7) & 0x01);
3029                                 inSISIDXREG(SISPART1,0x20,pdc);
3030                                 ivideo->detectedpdca |= ((pdc >> 6) & 0x01);
3031                                 if(ivideo->newrom) {
3032                                         /* New ROM invalidates other PDC resp. */
3033                                         if(ivideo->detectedlcda != 0xff) {
3034                                                 ivideo->detectedpdc = 0xff;
3035                                         } else {
3036                                                 ivideo->detectedpdca = 0xff;
3037                                         }
3038                                 }
3039                                 if(ivideo->SiS_Pr.PDC == -1) {
3040                                         if(ivideo->detectedpdc != 0xff) {
3041                                                 ivideo->SiS_Pr.PDC = ivideo->detectedpdc;
3042                                         }
3043                                 }
3044                                 if(ivideo->SiS_Pr.PDCA == -1) {
3045                                         if(ivideo->detectedpdca != 0xff) {
3046                                                 ivideo->SiS_Pr.PDCA = ivideo->detectedpdca;
3047                                         }
3048                                 }
3049                                 if(ivideo->detectedpdc != 0xff) {
3050                                         printk(KERN_INFO
3051                                                 "sisfb: Detected LCD PDC 0x%02x (for LCD=CRT2)\n",
3052                                                 ivideo->detectedpdc);
3053                                 }
3054                                 if(ivideo->detectedpdca != 0xff) {
3055                                         printk(KERN_INFO
3056                                                 "sisfb: Detected LCD PDC1 0x%02x (for LCD=CRT1)\n",
3057                                                 ivideo->detectedpdca);
3058                                 }
3059                         }
3060
3061                         /* Save EMI */
3062                         if(ivideo->vbflags2 & VB2_SISEMIBRIDGE) {
3063                                 inSISIDXREG(SISPART4,0x30,ivideo->SiS_Pr.EMI_30);
3064                                 inSISIDXREG(SISPART4,0x31,ivideo->SiS_Pr.EMI_31);
3065                                 inSISIDXREG(SISPART4,0x32,ivideo->SiS_Pr.EMI_32);
3066                                 inSISIDXREG(SISPART4,0x33,ivideo->SiS_Pr.EMI_33);
3067                                 ivideo->SiS_Pr.HaveEMI = true;
3068                                 if((tmp & 0x20) || (ivideo->detectedlcda != 0xff)) {
3069                                         ivideo->SiS_Pr.HaveEMILCD = true;
3070                                 }
3071                         }
3072                 }
3073
3074                 /* Let user override detected PDCs (all bridges) */
3075                 if(ivideo->vbflags2 & VB2_30xBLV) {
3076                         if((ivideo->SiS_Pr.PDC != -1) &&
3077                            (ivideo->SiS_Pr.PDC != ivideo->detectedpdc)) {
3078                                 printk(KERN_INFO "sisfb: Using LCD PDC 0x%02x (for LCD=CRT2)\n",
3079                                         ivideo->SiS_Pr.PDC);
3080                         }
3081                         if((ivideo->SiS_Pr.PDCA != -1) &&
3082                            (ivideo->SiS_Pr.PDCA != ivideo->detectedpdca)) {
3083                                 printk(KERN_INFO "sisfb: Using LCD PDC1 0x%02x (for LCD=CRT1)\n",
3084                                  ivideo->SiS_Pr.PDCA);
3085                         }
3086                 }
3087
3088         }
3089 #endif
3090 }
3091
3092 /* -------------------- Memory manager routines ---------------------- */
3093
3094 static u32 __devinit
3095 sisfb_getheapstart(struct sis_video_info *ivideo)
3096 {
3097         u32 ret = ivideo->sisfb_parm_mem * 1024;
3098         u32 maxoffs = ivideo->video_size - ivideo->hwcursor_size - ivideo->cmdQueueSize;
3099         u32 def;
3100
3101         /* Calculate heap start = end of memory for console
3102          *
3103          * CCCCCCCCDDDDDDDDDDDDDDDDDDDDDDDDDDDDHHHHQQQQQQQQQQ
3104          * C = console, D = heap, H = HWCursor, Q = cmd-queue
3105          *
3106          * On 76x in UMA+LFB mode, the layout is as follows:
3107          * DDDDDDDDDDDCCCCCCCCCCCCCCCCCCCCCCCCHHHHQQQQQQQQQQQ
3108          * where the heap is the entire UMA area, eventually
3109          * into the LFB area if the given mem parameter is
3110          * higher than the size of the UMA memory.
3111          *
3112          * Basically given by "mem" parameter
3113          *
3114          * maximum = videosize - cmd_queue - hwcursor
3115          *           (results in a heap of size 0)
3116          * default = SiS 300: depends on videosize
3117          *           SiS 315/330/340/XGI: 32k below max
3118          */
3119
3120         if(ivideo->sisvga_engine == SIS_300_VGA) {
3121                 if(ivideo->video_size > 0x1000000) {
3122                         def = 0xc00000;
3123                 } else if(ivideo->video_size > 0x800000) {
3124                         def = 0x800000;
3125                 } else {
3126                         def = 0x400000;
3127                 }
3128         } else if(ivideo->UMAsize && ivideo->LFBsize) {
3129                 ret = def = 0;
3130         } else {
3131                 def = maxoffs - 0x8000;
3132         }
3133
3134         /* Use default for secondary card for now (FIXME) */
3135         if((!ret) || (ret > maxoffs) || (ivideo->cardnumber != 0))
3136                 ret = def;
3137
3138         return ret;
3139 }
3140
3141 static u32 __devinit
3142 sisfb_getheapsize(struct sis_video_info *ivideo)
3143 {
3144         u32 max = ivideo->video_size - ivideo->hwcursor_size - ivideo->cmdQueueSize;
3145         u32 ret = 0;
3146
3147         if(ivideo->UMAsize && ivideo->LFBsize) {
3148                 if( (!ivideo->sisfb_parm_mem)                   ||
3149                     ((ivideo->sisfb_parm_mem * 1024) > max)     ||
3150                     ((max - (ivideo->sisfb_parm_mem * 1024)) < ivideo->UMAsize) ) {
3151                         ret = ivideo->UMAsize;
3152                         max -= ivideo->UMAsize;
3153                 } else {
3154                         ret = max - (ivideo->sisfb_parm_mem * 1024);
3155                         max = ivideo->sisfb_parm_mem * 1024;
3156                 }
3157                 ivideo->video_offset = ret;
3158                 ivideo->sisfb_mem = max;
3159         } else {
3160                 ret = max - ivideo->heapstart;
3161                 ivideo->sisfb_mem = ivideo->heapstart;
3162         }
3163
3164         return ret;
3165 }
3166
3167 static int __devinit
3168 sisfb_heap_init(struct sis_video_info *ivideo)
3169 {
3170         struct SIS_OH *poh;
3171
3172         ivideo->video_offset = 0;
3173         if(ivideo->sisfb_parm_mem) {
3174                 if( (ivideo->sisfb_parm_mem < (2 * 1024 * 1024)) ||
3175                     (ivideo->sisfb_parm_mem > ivideo->video_size) ) {
3176                         ivideo->sisfb_parm_mem = 0;
3177                 }
3178         }
3179
3180         ivideo->heapstart = sisfb_getheapstart(ivideo);
3181         ivideo->sisfb_heap_size = sisfb_getheapsize(ivideo);
3182
3183         ivideo->sisfb_heap_start = ivideo->video_vbase + ivideo->heapstart;
3184         ivideo->sisfb_heap_end   = ivideo->sisfb_heap_start + ivideo->sisfb_heap_size;
3185
3186         printk(KERN_INFO "sisfb: Memory heap starting at %dK, size %dK\n",
3187                 (int)(ivideo->heapstart / 1024), (int)(ivideo->sisfb_heap_size / 1024));
3188
3189         ivideo->sisfb_heap.vinfo = ivideo;
3190
3191         ivideo->sisfb_heap.poha_chain = NULL;
3192         ivideo->sisfb_heap.poh_freelist = NULL;
3193
3194         poh = sisfb_poh_new_node(&ivideo->sisfb_heap);
3195         if(poh == NULL)
3196                 return 1;
3197
3198         poh->poh_next = &ivideo->sisfb_heap.oh_free;
3199         poh->poh_prev = &ivideo->sisfb_heap.oh_free;
3200         poh->size = ivideo->sisfb_heap_size;
3201         poh->offset = ivideo->heapstart;
3202
3203         ivideo->sisfb_heap.oh_free.poh_next = poh;
3204         ivideo->sisfb_heap.oh_free.poh_prev = poh;
3205         ivideo->sisfb_heap.oh_free.size = 0;
3206         ivideo->sisfb_heap.max_freesize = poh->size;
3207
3208         ivideo->sisfb_heap.oh_used.poh_next = &ivideo->sisfb_heap.oh_used;
3209         ivideo->sisfb_heap.oh_used.poh_prev = &ivideo->sisfb_heap.oh_used;
3210         ivideo->sisfb_heap.oh_used.size = SENTINEL;
3211
3212         if(ivideo->cardnumber == 0) {
3213                 /* For the first card, make this heap the "global" one
3214                  * for old DRM (which could handle only one card)
3215                  */
3216                 sisfb_heap = &ivideo->sisfb_heap;
3217         }
3218
3219         return 0;
3220 }
3221
3222 static struct SIS_OH *
3223 sisfb_poh_new_node(struct SIS_HEAP *memheap)
3224 {
3225         struct SIS_OHALLOC      *poha;
3226         struct SIS_OH           *poh;
3227         unsigned long           cOhs;
3228         int                     i;
3229
3230         if(memheap->poh_freelist == NULL) {
3231                 poha = kmalloc(SIS_OH_ALLOC_SIZE, GFP_KERNEL);
3232                 if(!poha)
3233                         return NULL;
3234
3235                 poha->poha_next = memheap->poha_chain;
3236                 memheap->poha_chain = poha;
3237
3238                 cOhs = (SIS_OH_ALLOC_SIZE - sizeof(struct SIS_OHALLOC)) / sizeof(struct SIS_OH) + 1;
3239
3240                 poh = &poha->aoh[0];
3241                 for(i = cOhs - 1; i != 0; i--) {
3242                         poh->poh_next = poh + 1;
3243                         poh = poh + 1;
3244                 }
3245
3246                 poh->poh_next = NULL;
3247                 memheap->poh_freelist = &poha->aoh[0];
3248         }
3249
3250         poh = memheap->poh_freelist;
3251         memheap->poh_freelist = poh->poh_next;
3252
3253         return poh;
3254 }
3255
3256 static struct SIS_OH *
3257 sisfb_poh_allocate(struct SIS_HEAP *memheap, u32 size)
3258 {
3259         struct SIS_OH   *pohThis;
3260         struct SIS_OH   *pohRoot;
3261         int             bAllocated = 0;
3262
3263         if(size > memheap->max_freesize) {
3264                 DPRINTK("sisfb: Can't allocate %dk video memory\n",
3265                         (unsigned int) size / 1024);
3266                 return NULL;
3267         }
3268
3269         pohThis = memheap->oh_free.poh_next;
3270
3271         while(pohThis != &memheap->oh_free) {
3272                 if(size <= pohThis->size) {
3273                         bAllocated = 1;
3274                         break;
3275                 }
3276                 pohThis = pohThis->poh_next;
3277         }
3278
3279         if(!bAllocated) {
3280                 DPRINTK("sisfb: Can't allocate %dk video memory\n",
3281                         (unsigned int) size / 1024);
3282                 return NULL;
3283         }
3284
3285         if(size == pohThis->size) {
3286                 pohRoot = pohThis;
3287                 sisfb_delete_node(pohThis);
3288         } else {
3289                 pohRoot = sisfb_poh_new_node(memheap);
3290                 if(pohRoot == NULL)
3291                         return NULL;
3292
3293                 pohRoot->offset = pohThis->offset;
3294                 pohRoot->size = size;
3295
3296                 pohThis->offset += size;
3297                 pohThis->size -= size;
3298         }
3299
3300         memheap->max_freesize -= size;
3301
3302         pohThis = &memheap->oh_used;
3303         sisfb_insert_node(pohThis, pohRoot);
3304
3305         return pohRoot;
3306 }
3307
3308 static void
3309 sisfb_delete_node(struct SIS_OH *poh)
3310 {
3311         poh->poh_prev->poh_next = poh->poh_next;
3312         poh->poh_next->poh_prev = poh->poh_prev;
3313 }
3314
3315 static void
3316 sisfb_insert_node(struct SIS_OH *pohList, struct SIS_OH *poh)
3317 {
3318         struct SIS_OH *pohTemp = pohList->poh_next;
3319
3320         pohList->poh_next = poh;
3321         pohTemp->poh_prev = poh;
3322
3323         poh->poh_prev = pohList;
3324         poh->poh_next = pohTemp;
3325 }
3326
3327 static struct SIS_OH *
3328 sisfb_poh_free(struct SIS_HEAP *memheap, u32 base)
3329 {
3330         struct SIS_OH *pohThis;
3331         struct SIS_OH *poh_freed;
3332         struct SIS_OH *poh_prev;
3333         struct SIS_OH *poh_next;
3334         u32    ulUpper;
3335         u32    ulLower;
3336         int    foundNode = 0;
3337
3338         poh_freed = memheap->oh_used.poh_next;
3339
3340         while(poh_freed != &memheap->oh_used) {
3341                 if(poh_freed->offset == base) {
3342                         foundNode = 1;
3343                         break;
3344                 }
3345
3346                 poh_freed = poh_freed->poh_next;
3347         }
3348
3349         if(!foundNode)
3350                 return NULL;
3351
3352         memheap->max_freesize += poh_freed->size;
3353
3354         poh_prev = poh_next = NULL;
3355         ulUpper = poh_freed->offset + poh_freed->size;
3356         ulLower = poh_freed->offset;
3357
3358         pohThis = memheap->oh_free.poh_next;
3359
3360         while(pohThis != &memheap->oh_free) {
3361                 if(pohThis->offset == ulUpper) {
3362                         poh_next = pohThis;
3363                 } else if((pohThis->offset + pohThis->size) == ulLower) {
3364                         poh_prev = pohThis;
3365                 }
3366                 pohThis = pohThis->poh_next;
3367         }
3368
3369         sisfb_delete_node(poh_freed);
3370
3371         if(poh_prev && poh_next) {
3372                 poh_prev->size += (poh_freed->size + poh_next->size);
3373                 sisfb_delete_node(poh_next);
3374                 sisfb_free_node(memheap, poh_freed);
3375                 sisfb_free_node(memheap, poh_next);
3376                 return poh_prev;
3377         }
3378
3379         if(poh_prev) {
3380                 poh_prev->size += poh_freed->size;
3381                 sisfb_free_node(memheap, poh_freed);
3382                 return poh_prev;
3383         }
3384
3385         if(poh_next) {
3386                 poh_next->size += poh_freed->size;
3387                 poh_next->offset = poh_freed->offset;
3388                 sisfb_free_node(memheap, poh_freed);
3389                 return poh_next;
3390         }
3391
3392         sisfb_insert_node(&memheap->oh_free, poh_freed);
3393
3394         return poh_freed;
3395 }
3396
3397 static void
3398 sisfb_free_node(struct SIS_HEAP *memheap, struct SIS_OH *poh)
3399 {
3400         if(poh == NULL)
3401                 return;
3402
3403         poh->poh_next = memheap->poh_freelist;
3404         memheap->poh_freelist = poh;
3405 }
3406
3407 static void
3408 sis_int_malloc(struct sis_video_info *ivideo, struct sis_memreq *req)
3409 {
3410         struct SIS_OH *poh = NULL;
3411
3412         if((ivideo) && (ivideo->sisfb_id == SISFB_ID) && (!ivideo->havenoheap))
3413                 poh = sisfb_poh_allocate(&ivideo->sisfb_heap, (u32)req->size);
3414
3415         if(poh == NULL) {
3416                 req->offset = req->size = 0;
3417                 DPRINTK("sisfb: Video RAM allocation failed\n");
3418         } else {
3419                 req->offset = poh->offset;
3420                 req->size = poh->size;
3421                 DPRINTK("sisfb: Video RAM allocation succeeded: 0x%lx\n",
3422                         (poh->offset + ivideo->video_vbase));
3423         }
3424 }
3425
3426 void
3427 sis_malloc(struct sis_memreq *req)
3428 {
3429         struct sis_video_info *ivideo = sisfb_heap->vinfo;
3430
3431         if(&ivideo->sisfb_heap == sisfb_heap)
3432                 sis_int_malloc(ivideo, req);
3433         else
3434                 req->offset = req->size = 0;
3435 }
3436
3437 void
3438 sis_malloc_new(struct pci_dev *pdev, struct sis_memreq *req)
3439 {
3440         struct sis_video_info *ivideo = pci_get_drvdata(pdev);
3441
3442         sis_int_malloc(ivideo, req);
3443 }
3444
3445 /* sis_free: u32 because "base" is offset inside video ram, can never be >4GB */
3446
3447 static void
3448 sis_int_free(struct sis_video_info *ivideo, u32 base)
3449 {
3450         struct SIS_OH *poh;
3451
3452         if((!ivideo) || (ivideo->sisfb_id != SISFB_ID) || (ivideo->havenoheap))
3453                 return;
3454
3455         poh = sisfb_poh_free(&ivideo->sisfb_heap, base);
3456
3457         if(poh == NULL) {
3458                 DPRINTK("sisfb: sisfb_poh_free() failed at base 0x%x\n",
3459                         (unsigned int) base);
3460         }
3461 }
3462
3463 void
3464 sis_free(u32 base)
3465 {
3466         struct sis_video_info *ivideo = sisfb_heap->vinfo;
3467
3468         sis_int_free(ivideo, base);
3469 }
3470
3471 void
3472 sis_free_new(struct pci_dev *pdev, u32 base)
3473 {
3474         struct sis_video_info *ivideo = pci_get_drvdata(pdev);
3475
3476         sis_int_free(ivideo, base);
3477 }
3478
3479 /* --------------------- SetMode routines ------------------------- */
3480
3481 static void
3482 sisfb_check_engine_and_sync(struct sis_video_info *ivideo)
3483 {
3484         u8 cr30, cr31;
3485
3486         /* Check if MMIO and engines are enabled,
3487          * and sync in case they are. Can't use
3488          * ivideo->accel here, as this might have
3489          * been changed before this is called.
3490          */
3491         inSISIDXREG(SISSR, IND_SIS_PCI_ADDRESS_SET, cr30);
3492         inSISIDXREG(SISSR, IND_SIS_MODULE_ENABLE, cr31);
3493         /* MMIO and 2D/3D engine enabled? */
3494         if((cr30 & SIS_MEM_MAP_IO_ENABLE) && (cr31 & 0x42)) {
3495 #ifdef CONFIG_FB_SIS_300
3496                 if(ivideo->sisvga_engine == SIS_300_VGA) {
3497                         /* Don't care about TurboQueue. It's
3498                          * enough to know that the engines
3499                          * are enabled
3500                          */
3501                         sisfb_syncaccel(ivideo);
3502                 }
3503 #endif
3504 #ifdef CONFIG_FB_SIS_315
3505                 if(ivideo->sisvga_engine == SIS_315_VGA) {
3506                         /* Check that any queue mode is
3507                          * enabled, and that the queue
3508                          * is not in the state of "reset"
3509                          */
3510                         inSISIDXREG(SISSR, 0x26, cr30);
3511                         if((cr30 & 0xe0) && (!(cr30 & 0x01))) {
3512                                 sisfb_syncaccel(ivideo);
3513                         }
3514                 }
3515 #endif
3516         }
3517 }
3518
3519 static void
3520 sisfb_pre_setmode(struct sis_video_info *ivideo)
3521 {
3522         u8 cr30 = 0, cr31 = 0, cr33 = 0, cr35 = 0, cr38 = 0;
3523         int tvregnum = 0;
3524
3525         ivideo->currentvbflags &= (VB_VIDEOBRIDGE | VB_DISPTYPE_DISP2);
3526
3527         outSISIDXREG(SISSR, 0x05, 0x86);
3528
3529         inSISIDXREG(SISCR, 0x31, cr31);
3530         cr31 &= ~0x60;
3531         cr31 |= 0x04;
3532
3533         cr33 = ivideo->rate_idx & 0x0F;
3534
3535 #ifdef CONFIG_FB_SIS_315
3536         if(ivideo->sisvga_engine == SIS_315_VGA) {
3537            if(ivideo->chip >= SIS_661) {
3538               inSISIDXREG(SISCR, 0x38, cr38);
3539               cr38 &= ~0x07;  /* Clear LCDA/DualEdge and YPbPr bits */
3540            } else {
3541               tvregnum = 0x38;
3542               inSISIDXREG(SISCR, tvregnum, cr38);
3543               cr38 &= ~0x3b;  /* Clear LCDA/DualEdge and YPbPr bits */
3544            }
3545         }
3546 #endif
3547 #ifdef CONFIG_FB_SIS_300
3548         if(ivideo->sisvga_engine == SIS_300_VGA) {
3549            tvregnum = 0x35;
3550            inSISIDXREG(SISCR, tvregnum, cr38);
3551         }
3552 #endif
3553
3554         SiS_SetEnableDstn(&ivideo->SiS_Pr, false);
3555         SiS_SetEnableFstn(&ivideo->SiS_Pr, false);
3556         ivideo->curFSTN = ivideo->curDSTN = 0;
3557
3558         switch(ivideo->currentvbflags & VB_DISPTYPE_DISP2) {
3559
3560            case CRT2_TV:
3561               cr38 &= ~0xc0;   /* Clear PAL-M / PAL-N bits */
3562               if((ivideo->vbflags & TV_YPBPR) && (ivideo->vbflags2 & VB2_SISYPBPRBRIDGE)) {
3563 #ifdef CONFIG_FB_SIS_315
3564                  if(ivideo->chip >= SIS_661) {
3565                     cr38 |= 0x04;
3566                     if(ivideo->vbflags & TV_YPBPR525P)       cr35 |= 0x20;
3567                     else if(ivideo->vbflags & TV_YPBPR750P)  cr35 |= 0x40;
3568                     else if(ivideo->vbflags & TV_YPBPR1080I) cr35 |= 0x60;
3569                     cr30 |= SIS_SIMULTANEOUS_VIEW_ENABLE;
3570                     cr35 &= ~0x01;
3571                     ivideo->currentvbflags |= (TV_YPBPR | (ivideo->vbflags & TV_YPBPRALL));
3572                  } else if(ivideo->sisvga_engine == SIS_315_VGA) {
3573                     cr30 |= (0x80 | SIS_SIMULTANEOUS_VIEW_ENABLE);
3574                     cr38 |= 0x08;
3575                     if(ivideo->vbflags & TV_YPBPR525P)       cr38 |= 0x10;
3576                     else if(ivideo->vbflags & TV_YPBPR750P)  cr38 |= 0x20;
3577                     else if(ivideo->vbflags & TV_YPBPR1080I) cr38 |= 0x30;
3578                     cr31 &= ~0x01;
3579                     ivideo->currentvbflags |= (TV_YPBPR | (ivideo->vbflags & TV_YPBPRALL));
3580                  }
3581 #endif
3582               } else if((ivideo->vbflags & TV_HIVISION) &&
3583                                 (ivideo->vbflags2 & VB2_SISHIVISIONBRIDGE)) {
3584                  if(ivideo->chip >= SIS_661) {
3585                     cr38 |= 0x04;
3586                     cr35 |= 0x60;
3587                  } else {
3588                     cr30 |= 0x80;
3589                  }
3590                  cr30 |= SIS_SIMULTANEOUS_VIEW_ENABLE;
3591                  cr31 |= 0x01;
3592                  cr35 |= 0x01;
3593                  ivideo->currentvbflags |= TV_HIVISION;
3594               } else if(ivideo->vbflags & TV_SCART) {
3595                  cr30 = (SIS_VB_OUTPUT_SCART | SIS_SIMULTANEOUS_VIEW_ENABLE);
3596                  cr31 |= 0x01;
3597                  cr35 |= 0x01;
3598                  ivideo->currentvbflags |= TV_SCART;
3599               } else {
3600                  if(ivideo->vbflags & TV_SVIDEO) {
3601                     cr30 = (SIS_VB_OUTPUT_SVIDEO | SIS_SIMULTANEOUS_VIEW_ENABLE);
3602                     ivideo->currentvbflags |= TV_SVIDEO;
3603                  }
3604                  if(ivideo->vbflags & TV_AVIDEO) {
3605                     cr30 = (SIS_VB_OUTPUT_COMPOSITE | SIS_SIMULTANEOUS_VIEW_ENABLE);
3606                     ivideo->currentvbflags |= TV_AVIDEO;
3607                  }
3608               }
3609               cr31 |= SIS_DRIVER_MODE;
3610
3611               if(ivideo->vbflags & (TV_AVIDEO | TV_SVIDEO)) {
3612                  if(ivideo->vbflags & TV_PAL) {
3613                     cr31 |= 0x01; cr35 |= 0x01;
3614                     ivideo->currentvbflags |= TV_PAL;
3615                     if(ivideo->vbflags & TV_PALM) {
3616                        cr38 |= 0x40; cr35 |= 0x04;
3617                        ivideo->currentvbflags |= TV_PALM;
3618                     } else if(ivideo->vbflags & TV_PALN) {
3619                        cr38 |= 0x80; cr35 |= 0x08;
3620                        ivideo->currentvbflags |= TV_PALN;
3621                     }
3622                  } else {
3623                     cr31 &= ~0x01; cr35 &= ~0x01;
3624                     ivideo->currentvbflags |= TV_NTSC;
3625                     if(ivideo->vbflags & TV_NTSCJ) {
3626                        cr38 |= 0x40; cr35 |= 0x02;
3627                        ivideo->currentvbflags |= TV_NTSCJ;
3628                     }
3629                  }
3630               }
3631               break;
3632
3633            case CRT2_LCD:
3634               cr30  = (SIS_VB_OUTPUT_LCD | SIS_SIMULTANEOUS_VIEW_ENABLE);
3635               cr31 |= SIS_DRIVER_MODE;
3636               SiS_SetEnableDstn(&ivideo->SiS_Pr, ivideo->sisfb_dstn);
3637               SiS_SetEnableFstn(&ivideo->SiS_Pr, ivideo->sisfb_fstn);
3638               ivideo->curFSTN = ivideo->sisfb_fstn;
3639               ivideo->curDSTN = ivideo->sisfb_dstn;
3640               break;
3641
3642            case CRT2_VGA:
3643               cr30 = (SIS_VB_OUTPUT_CRT2 | SIS_SIMULTANEOUS_VIEW_ENABLE);
3644               cr31 |= SIS_DRIVER_MODE;
3645               if(ivideo->sisfb_nocrt2rate) {
3646                  cr33 |= (sisbios_mode[ivideo->sisfb_mode_idx].rate_idx << 4);
3647               } else {
3648                  cr33 |= ((ivideo->rate_idx & 0x0F) << 4);
3649               }
3650               break;
3651
3652            default:     /* disable CRT2 */
3653               cr30 = 0x00;
3654               cr31 |= (SIS_DRIVER_MODE | SIS_VB_OUTPUT_DISABLE);
3655         }
3656
3657         outSISIDXREG(SISCR, 0x30, cr30);
3658         outSISIDXREG(SISCR, 0x33, cr33);
3659
3660         if(ivideo->chip >= SIS_661) {
3661 #ifdef CONFIG_FB_SIS_315
3662            cr31 &= ~0x01;                          /* Clear PAL flag (now in CR35) */
3663            setSISIDXREG(SISCR, 0x35, ~0x10, cr35); /* Leave overscan bit alone */
3664            cr38 &= 0x07;                           /* Use only LCDA and HiVision/YPbPr bits */
3665            setSISIDXREG(SISCR, 0x38, 0xf8, cr38);
3666 #endif
3667         } else if(ivideo->chip != SIS_300) {
3668            outSISIDXREG(SISCR, tvregnum, cr38);
3669         }
3670         outSISIDXREG(SISCR, 0x31, cr31);
3671
3672         ivideo->SiS_Pr.SiS_UseOEM = ivideo->sisfb_useoem;
3673
3674         sisfb_check_engine_and_sync(ivideo);
3675 }
3676
3677 /* Fix SR11 for 661 and later */
3678 #ifdef CONFIG_FB_SIS_315
3679 static void
3680 sisfb_fixup_SR11(struct sis_video_info *ivideo)
3681 {
3682         u8  tmpreg;
3683
3684         if(ivideo->chip >= SIS_661) {
3685                 inSISIDXREG(SISSR,0x11,tmpreg);
3686                 if(tmpreg & 0x20) {
3687                         inSISIDXREG(SISSR,0x3e,tmpreg);
3688                         tmpreg = (tmpreg + 1) & 0xff;
3689                         outSISIDXREG(SISSR,0x3e,tmpreg);
3690                         inSISIDXREG(SISSR,0x11,tmpreg);
3691                 }
3692                 if(tmpreg & 0xf0) {
3693                         andSISIDXREG(SISSR,0x11,0x0f);
3694                 }
3695         }
3696 }
3697 #endif
3698
3699 static void
3700 sisfb_set_TVxposoffset(struct sis_video_info *ivideo, int val)
3701 {
3702         if(val > 32) val = 32;
3703         if(val < -32) val = -32;
3704         ivideo->tvxpos = val;
3705
3706         if(ivideo->sisfblocked) return;
3707         if(!ivideo->modechanged) return;
3708
3709         if(ivideo->currentvbflags & CRT2_TV) {
3710
3711                 if(ivideo->vbflags2 & VB2_CHRONTEL) {
3712
3713                         int x = ivideo->tvx;
3714
3715                         switch(ivideo->chronteltype) {
3716                         case 1:
3717                                 x += val;
3718                                 if(x < 0) x = 0;
3719                                 outSISIDXREG(SISSR,0x05,0x86);
3720                                 SiS_SetCH700x(&ivideo->SiS_Pr, 0x0a, (x & 0xff));
3721                                 SiS_SetCH70xxANDOR(&ivideo->SiS_Pr, 0x08, ((x & 0x0100) >> 7), 0xFD);
3722                                 break;
3723                         case 2:
3724                                 /* Not supported by hardware */
3725                                 break;
3726                         }
3727
3728                 } else if(ivideo->vbflags2 & VB2_SISBRIDGE) {
3729
3730                         u8 p2_1f,p2_20,p2_2b,p2_42,p2_43;
3731                         unsigned short temp;
3732
3733                         p2_1f = ivideo->p2_1f;
3734                         p2_20 = ivideo->p2_20;
3735                         p2_2b = ivideo->p2_2b;
3736                         p2_42 = ivideo->p2_42;
3737                         p2_43 = ivideo->p2_43;
3738
3739                         temp = p2_1f | ((p2_20 & 0xf0) << 4);
3740                         temp += (val * 2);
3741                         p2_1f = temp & 0xff;
3742                         p2_20 = (temp & 0xf00) >> 4;
3743                         p2_2b = ((p2_2b & 0x0f) + (val * 2)) & 0x0f;
3744                         temp = p2_43 | ((p2_42 & 0xf0) << 4);
3745                         temp += (val * 2);
3746                         p2_43 = temp & 0xff;
3747                         p2_42 = (temp & 0xf00) >> 4;
3748                         outSISIDXREG(SISPART2,0x1f,p2_1f);
3749                         setSISIDXREG(SISPART2,0x20,0x0F,p2_20);
3750                         setSISIDXREG(SISPART2,0x2b,0xF0,p2_2b);
3751                         setSISIDXREG(SISPART2,0x42,0x0F,p2_42);
3752                         outSISIDXREG(SISPART2,0x43,p2_43);
3753                 }
3754         }
3755 }
3756
3757 static void
3758 sisfb_set_TVyposoffset(struct sis_video_info *ivideo, int val)
3759 {
3760         if(val > 32) val = 32;
3761         if(val < -32) val = -32;
3762         ivideo->tvypos = val;
3763
3764         if(ivideo->sisfblocked) return;
3765         if(!ivideo->modechanged) return;
3766
3767         if(ivideo->currentvbflags & CRT2_TV) {
3768
3769                 if(ivideo->vbflags2 & VB2_CHRONTEL) {
3770
3771                         int y = ivideo->tvy;
3772
3773                         switch(ivideo->chronteltype) {
3774                         case 1:
3775                                 y -= val;
3776                                 if(y < 0) y = 0;
3777                                 outSISIDXREG(SISSR,0x05,0x86);
3778                                 SiS_SetCH700x(&ivideo->SiS_Pr, 0x0b, (y & 0xff));
3779                                 SiS_SetCH70xxANDOR(&ivideo->SiS_Pr, 0x08, ((y & 0x0100) >> 8), 0xFE);
3780                                 break;
3781                         case 2:
3782                                 /* Not supported by hardware */
3783                                 break;
3784                         }
3785
3786                 } else if(ivideo->vbflags2 & VB2_SISBRIDGE) {
3787
3788                         char p2_01, p2_02;
3789                         val /= 2;
3790                         p2_01 = ivideo->p2_01;
3791                         p2_02 = ivideo->p2_02;
3792
3793                         p2_01 += val;
3794                         p2_02 += val;
3795                         if(!(ivideo->currentvbflags & (TV_HIVISION | TV_YPBPR))) {
3796                                 while((p2_01 <= 0) || (p2_02 <= 0)) {
3797                                         p2_01 += 2;
3798                                         p2_02 += 2;
3799                                 }
3800                         }
3801                         outSISIDXREG(SISPART2,0x01,p2_01);
3802                         outSISIDXREG(SISPART2,0x02,p2_02);
3803                 }
3804         }
3805 }
3806
3807 static void
3808 sisfb_post_setmode(struct sis_video_info *ivideo)
3809 {
3810         bool crt1isoff = false;
3811         bool doit = true;
3812 #if defined(CONFIG_FB_SIS_300) || defined(CONFIG_FB_SIS_315)
3813         u8 reg;
3814 #endif
3815 #ifdef CONFIG_FB_SIS_315
3816         u8 reg1;
3817 #endif
3818
3819         outSISIDXREG(SISSR, 0x05, 0x86);
3820
3821 #ifdef CONFIG_FB_SIS_315
3822         sisfb_fixup_SR11(ivideo);
3823 #endif
3824
3825         /* Now we actually HAVE changed the display mode */
3826         ivideo->modechanged = 1;
3827
3828         /* We can't switch off CRT1 if bridge is in slave mode */
3829         if(ivideo->vbflags2 & VB2_VIDEOBRIDGE) {
3830                 if(sisfb_bridgeisslave(ivideo)) doit = false;
3831         } else
3832                 ivideo->sisfb_crt1off = 0;
3833
3834 #ifdef CONFIG_FB_SIS_300
3835         if(ivideo->sisvga_engine == SIS_300_VGA) {
3836                 if((ivideo->sisfb_crt1off) && (doit)) {
3837                         crt1isoff = true;
3838                         reg = 0x00;
3839                 } else {
3840                         crt1isoff = false;
3841                         reg = 0x80;
3842                 }
3843                 setSISIDXREG(SISCR, 0x17, 0x7f, reg);
3844         }
3845 #endif
3846 #ifdef CONFIG_FB_SIS_315
3847         if(ivideo->sisvga_engine == SIS_315_VGA) {
3848                 if((ivideo->sisfb_crt1off) && (doit)) {
3849                         crt1isoff = true;
3850                         reg  = 0x40;
3851                         reg1 = 0xc0;
3852                 } else {
3853                         crt1isoff = false;
3854                         reg  = 0x00;
3855                         reg1 = 0x00;
3856                 }
3857                 setSISIDXREG(SISCR, ivideo->SiS_Pr.SiS_MyCR63, ~0x40, reg);
3858                 setSISIDXREG(SISSR, 0x1f, ~0xc0, reg1);
3859         }
3860 #endif
3861
3862         if(crt1isoff) {
3863                 ivideo->currentvbflags &= ~VB_DISPTYPE_CRT1;
3864                 ivideo->currentvbflags |= VB_SINGLE_MODE;
3865         } else {
3866                 ivideo->currentvbflags |= VB_DISPTYPE_CRT1;
3867                 if(ivideo->currentvbflags & VB_DISPTYPE_CRT2) {
3868                         ivideo->currentvbflags |= VB_MIRROR_MODE;
3869                 } else {
3870                         ivideo->currentvbflags |= VB_SINGLE_MODE;
3871                 }
3872         }
3873
3874         andSISIDXREG(SISSR, IND_SIS_RAMDAC_CONTROL, ~0x04);
3875
3876         if(ivideo->currentvbflags & CRT2_TV) {
3877                 if(ivideo->vbflags2 & VB2_SISBRIDGE) {
3878                         inSISIDXREG(SISPART2,0x1f,ivideo->p2_1f);
3879                         inSISIDXREG(SISPART2,0x20,ivideo->p2_20);
3880                         inSISIDXREG(SISPART2,0x2b,ivideo->p2_2b);
3881                         inSISIDXREG(SISPART2,0x42,ivideo->p2_42);
3882                         inSISIDXREG(SISPART2,0x43,ivideo->p2_43);
3883                         inSISIDXREG(SISPART2,0x01,ivideo->p2_01);
3884                         inSISIDXREG(SISPART2,0x02,ivideo->p2_02);
3885                 } else if(ivideo->vbflags2 & VB2_CHRONTEL) {
3886                         if(ivideo->chronteltype == 1) {
3887                                 ivideo->tvx = SiS_GetCH700x(&ivideo->SiS_Pr, 0x0a);
3888                                 ivideo->tvx |= (((SiS_GetCH700x(&ivideo->SiS_Pr, 0x08) & 0x02) >> 1) << 8);
3889                                 ivideo->tvy = SiS_GetCH700x(&ivideo->SiS_Pr, 0x0b);
3890                                 ivideo->tvy |= ((SiS_GetCH700x(&ivideo->SiS_Pr, 0x08) & 0x01) << 8);
3891                         }
3892                 }
3893         }
3894
3895         if(ivideo->tvxpos) {
3896                 sisfb_set_TVxposoffset(ivideo, ivideo->tvxpos);
3897         }
3898         if(ivideo->tvypos) {
3899                 sisfb_set_TVyposoffset(ivideo, ivideo->tvypos);
3900         }
3901
3902         /* Eventually sync engines */
3903         sisfb_check_engine_and_sync(ivideo);
3904
3905         /* (Re-)Initialize chip engines */
3906         if(ivideo->accel) {
3907                 sisfb_engine_init(ivideo);
3908         } else {
3909                 ivideo->engineok = 0;
3910         }
3911 }
3912
3913 static int
3914 sisfb_reset_mode(struct sis_video_info *ivideo)
3915 {
3916         if(sisfb_set_mode(ivideo, 0))
3917                 return 1;
3918
3919         sisfb_set_pitch(ivideo);
3920         sisfb_set_base_CRT1(ivideo, ivideo->current_base);
3921         sisfb_set_base_CRT2(ivideo, ivideo->current_base);
3922
3923         return 0;
3924 }
3925
3926 static void
3927 sisfb_handle_command(struct sis_video_info *ivideo, struct sisfb_cmd *sisfb_command)
3928 {
3929         int mycrt1off;
3930
3931         switch(sisfb_command->sisfb_cmd) {
3932         case SISFB_CMD_GETVBFLAGS:
3933                 if(!ivideo->modechanged) {
3934                         sisfb_command->sisfb_result[0] = SISFB_CMD_ERR_EARLY;
3935                 } else {
3936                         sisfb_command->sisfb_result[0] = SISFB_CMD_ERR_OK;
3937                         sisfb_command->sisfb_result[1] = ivideo->currentvbflags;
3938                         sisfb_command->sisfb_result[2] = ivideo->vbflags2;
3939                 }
3940                 break;
3941         case SISFB_CMD_SWITCHCRT1:
3942                 /* arg[0]: 0 = off, 1 = on, 99 = query */
3943                 if(!ivideo->modechanged) {
3944                         sisfb_command->sisfb_result[0] = SISFB_CMD_ERR_EARLY;
3945                 } else if(sisfb_command->sisfb_arg[0] == 99) {
3946                         /* Query */
3947                         sisfb_command->sisfb_result[1] = ivideo->sisfb_crt1off ? 0 : 1;
3948                         sisfb_command->sisfb_result[0] = SISFB_CMD_ERR_OK;
3949                 } else if(ivideo->sisfblocked) {
3950                         sisfb_command->sisfb_result[0] = SISFB_CMD_ERR_LOCKED;
3951                 } else if((!(ivideo->currentvbflags & CRT2_ENABLE)) &&
3952                                         (sisfb_command->sisfb_arg[0] == 0)) {
3953                         sisfb_command->sisfb_result[0] = SISFB_CMD_ERR_NOCRT2;
3954                 } else {
3955                         sisfb_command->sisfb_result[0] = SISFB_CMD_ERR_OK;
3956                         mycrt1off = sisfb_command->sisfb_arg[0] ? 0 : 1;
3957                         if( ((ivideo->currentvbflags & VB_DISPTYPE_CRT1) && mycrt1off) ||
3958                             ((!(ivideo->currentvbflags & VB_DISPTYPE_CRT1)) && !mycrt1off) ) {
3959                                 ivideo->sisfb_crt1off = mycrt1off;
3960                                 if(sisfb_reset_mode(ivideo)) {
3961                                         sisfb_command->sisfb_result[0] = SISFB_CMD_ERR_OTHER;
3962                                 }
3963                         }
3964                         sisfb_command->sisfb_result[1] = ivideo->sisfb_crt1off ? 0 : 1;
3965                 }
3966                 break;
3967         /* more to come */
3968         default:
3969                 sisfb_command->sisfb_result[0] = SISFB_CMD_ERR_UNKNOWN;
3970                 printk(KERN_ERR "sisfb: Unknown command 0x%x\n",
3971                         sisfb_command->sisfb_cmd);
3972         }
3973 }
3974
3975 #ifndef MODULE
3976 static int __init sisfb_setup(char *options)
3977 {
3978         char *this_opt;
3979
3980         sisfb_setdefaultparms();
3981
3982         if(!options || !(*options))
3983                 return 0;
3984
3985         while((this_opt = strsep(&options, ",")) != NULL) {
3986
3987                 if(!(*this_opt)) continue;
3988
3989                 if(!strnicmp(this_opt, "off", 3)) {
3990                         sisfb_off = 1;
3991                 } else if(!strnicmp(this_opt, "forcecrt2type:", 14)) {
3992                         /* Need to check crt2 type first for fstn/dstn */
3993                         sisfb_search_crt2type(this_opt + 14);
3994                 } else if(!strnicmp(this_opt, "tvmode:",7)) {
3995                         sisfb_search_tvstd(this_opt + 7);
3996                 } else if(!strnicmp(this_opt, "tvstandard:",11)) {
3997                         sisfb_search_tvstd(this_opt + 11);
3998                 } else if(!strnicmp(this_opt, "mode:", 5)) {
3999                         sisfb_search_mode(this_opt + 5, false);
4000                 } else if(!strnicmp(this_opt, "vesa:", 5)) {
4001                         sisfb_search_vesamode(simple_strtoul(this_opt + 5, NULL, 0), false);
4002                 } else if(!strnicmp(this_opt, "rate:", 5)) {
4003                         sisfb_parm_rate = simple_strtoul(this_opt + 5, NULL, 0);
4004                 } else if(!strnicmp(this_opt, "forcecrt1:", 10)) {
4005                         sisfb_forcecrt1 = (int)simple_strtoul(this_opt + 10, NULL, 0);
4006                 } else if(!strnicmp(this_opt, "mem:",4)) {
4007                         sisfb_parm_mem = simple_strtoul(this_opt + 4, NULL, 0);
4008                 } else if(!strnicmp(this_opt, "pdc:", 4)) {
4009                         sisfb_pdc = simple_strtoul(this_opt + 4, NULL, 0);
4010                 } else if(!strnicmp(this_opt, "pdc1:", 5)) {
4011                         sisfb_pdca = simple_strtoul(this_opt + 5, NULL, 0);
4012                 } else if(!strnicmp(this_opt, "noaccel", 7)) {
4013                         sisfb_accel = 0;
4014                 } else if(!strnicmp(this_opt, "accel", 5)) {
4015                         sisfb_accel = -1;
4016                 } else if(!strnicmp(this_opt, "noypan", 6)) {
4017                         sisfb_ypan = 0;
4018                 } else if(!strnicmp(this_opt, "ypan", 4)) {
4019                         sisfb_ypan = -1;
4020                 } else if(!strnicmp(this_opt, "nomax", 5)) {
4021                         sisfb_max = 0;
4022                 } else if(!strnicmp(this_opt, "max", 3)) {
4023                         sisfb_max = -1;
4024                 } else if(!strnicmp(this_opt, "userom:", 7)) {
4025                         sisfb_userom = (int)simple_strtoul(this_opt + 7, NULL, 0);
4026                 } else if(!strnicmp(this_opt, "useoem:", 7)) {
4027                         sisfb_useoem = (int)simple_strtoul(this_opt + 7, NULL, 0);
4028                 } else if(!strnicmp(this_opt, "nocrt2rate", 10)) {
4029                         sisfb_nocrt2rate = 1;
4030                 } else if(!strnicmp(this_opt, "scalelcd:", 9)) {
4031                         unsigned long temp = 2;
4032                         temp = simple_strtoul(this_opt + 9, NULL, 0);
4033                         if((temp == 0) || (temp == 1)) {
4034                            sisfb_scalelcd = temp ^ 1;
4035                         }
4036                 } else if(!strnicmp(this_opt, "tvxposoffset:", 13)) {
4037                         int temp = 0;
4038                         temp = (int)simple_strtol(this_opt + 13, NULL, 0);
4039                         if((temp >= -32) && (temp <= 32)) {
4040                            sisfb_tvxposoffset = temp;
4041                         }
4042                 } else if(!strnicmp(this_opt, "tvyposoffset:", 13)) {
4043                         int temp = 0;
4044                         temp = (int)simple_strtol(this_opt + 13, NULL, 0);
4045                         if((temp >= -32) && (temp <= 32)) {
4046                            sisfb_tvyposoffset = temp;
4047                         }
4048                 } else if(!strnicmp(this_opt, "specialtiming:", 14)) {
4049                         sisfb_search_specialtiming(this_opt + 14);
4050                 } else if(!strnicmp(this_opt, "lvdshl:", 7)) {
4051                         int temp = 4;
4052                         temp = simple_strtoul(this_opt + 7, NULL, 0);
4053                         if((temp >= 0) && (temp <= 3)) {
4054                            sisfb_lvdshl = temp;
4055                         }
4056                 } else if(this_opt[0] >= '0' && this_opt[0] <= '9') {
4057                         sisfb_search_mode(this_opt, true);
4058 #if !defined(__i386__) && !defined(__x86_64__)
4059                 } else if(!strnicmp(this_opt, "resetcard", 9)) {
4060                         sisfb_resetcard = 1;
4061                 } else if(!strnicmp(this_opt, "videoram:", 9)) {
4062                         sisfb_videoram = simple_strtoul(this_opt + 9, NULL, 0);
4063 #endif
4064                 } else {
4065                         printk(KERN_INFO "sisfb: Invalid option %s\n", this_opt);
4066                 }
4067
4068         }
4069
4070         return 0;
4071 }
4072 #endif
4073
4074 static int __devinit
4075 sisfb_check_rom(void __iomem *rom_base, struct sis_video_info *ivideo)
4076 {
4077         void __iomem *rom;
4078         int romptr;
4079
4080         if((readb(rom_base) != 0x55) || (readb(rom_base + 1) != 0xaa))
4081                 return 0;
4082
4083         romptr = (readb(rom_base + 0x18) | (readb(rom_base + 0x19) << 8));
4084         if(romptr > (0x10000 - 8))
4085                 return 0;
4086
4087         rom = rom_base + romptr;
4088
4089         if((readb(rom)     != 'P') || (readb(rom + 1) != 'C') ||
4090            (readb(rom + 2) != 'I') || (readb(rom + 3) != 'R'))
4091                 return 0;
4092
4093         if((readb(rom + 4) | (readb(rom + 5) << 8)) != ivideo->chip_vendor)
4094                 return 0;
4095
4096         if((readb(rom + 6) | (readb(rom + 7) << 8)) != ivideo->chip_id)
4097                 return 0;
4098
4099         return 1;
4100 }
4101
4102 static unsigned char * __devinit
4103 sisfb_find_rom(struct pci_dev *pdev)
4104 {
4105         struct sis_video_info *ivideo = pci_get_drvdata(pdev);
4106         void __iomem *rom_base;
4107         unsigned char *myrombase = NULL;
4108         u32 temp;
4109         size_t romsize;
4110
4111         /* First, try the official pci ROM functions (except
4112          * on integrated chipsets which have no ROM).
4113          */
4114
4115         if(!ivideo->nbridge) {
4116
4117                 if((rom_base = pci_map_rom(pdev, &romsize))) {
4118
4119                         if(sisfb_check_rom(rom_base, ivideo)) {
4120
4121                                 if((myrombase = vmalloc(65536))) {
4122                                         memcpy_fromio(myrombase, rom_base,
4123                                                         (romsize > 65536) ? 65536 : romsize);
4124                                 }
4125                         }
4126                         pci_unmap_rom(pdev, rom_base);
4127                 }
4128         }
4129
4130         if(myrombase) return myrombase;
4131
4132         /* Otherwise do it the conventional way. */
4133
4134 #if defined(__i386__) || defined(__x86_64__)
4135
4136         for(temp = 0x000c0000; temp < 0x000f0000; temp += 0x00001000) {
4137
4138                 rom_base = ioremap(temp, 65536);
4139                 if(!rom_base)
4140                         continue;
4141
4142                 if(!sisfb_check_rom(rom_base, ivideo)) {
4143                         iounmap(rom_base);
4144                         continue;
4145                 }
4146
4147                 if((myrombase = vmalloc(65536)))
4148                         memcpy_fromio(myrombase, rom_base, 65536);
4149
4150                 iounmap(rom_base);
4151                 break;
4152
4153         }
4154
4155 #endif
4156
4157         return myrombase;
4158 }
4159
4160 static void __devinit
4161 sisfb_post_map_vram(struct sis_video_info *ivideo, unsigned int *mapsize,
4162                         unsigned int min)
4163 {
4164         if (*mapsize < (min << 20))
4165                 return;
4166
4167         ivideo->video_vbase = ioremap(ivideo->video_base, (*mapsize));
4168
4169         if(!ivideo->video_vbase) {
4170                 printk(KERN_ERR
4171                         "sisfb: Unable to map maximum video RAM for size detection\n");
4172                 (*mapsize) >>= 1;
4173                 while((!(ivideo->video_vbase = ioremap(ivideo->video_base, (*mapsize))))) {
4174                         (*mapsize) >>= 1;
4175                         if((*mapsize) < (min << 20))
4176                                 break;
4177                 }
4178                 if(ivideo->video_vbase) {
4179                         printk(KERN_ERR
4180                                 "sisfb: Video RAM size detection limited to %dMB\n",
4181                                 (int)((*mapsize) >> 20));
4182                 }
4183         }
4184 }
4185
4186 #ifdef CONFIG_FB_SIS_300
4187 static int __devinit
4188 sisfb_post_300_buswidth(struct sis_video_info *ivideo)
4189 {
4190         void __iomem *FBAddress = ivideo->video_vbase;
4191         unsigned short temp;
4192         unsigned char reg;
4193         int i, j;
4194
4195         andSISIDXREG(SISSR, 0x15, 0xFB);
4196         orSISIDXREG(SISSR, 0x15, 0x04);
4197         outSISIDXREG(SISSR, 0x13, 0x00);
4198         outSISIDXREG(SISSR, 0x14, 0xBF);
4199
4200         for(i = 0; i < 2; i++) {
4201                 temp = 0x1234;
4202                 for(j = 0; j < 4; j++) {
4203                         writew(temp, FBAddress);
4204                         if(readw(FBAddress) == temp)
4205                                 break;
4206                         orSISIDXREG(SISSR, 0x3c, 0x01);
4207                         inSISIDXREG(SISSR, 0x05, reg);
4208                         inSISIDXREG(SISSR, 0x05, reg);
4209                         andSISIDXREG(SISSR, 0x3c, 0xfe);
4210                         inSISIDXREG(SISSR, 0x05, reg);
4211                         inSISIDXREG(SISSR, 0x05, reg);
4212                         temp++;
4213                 }
4214         }
4215
4216         writel(0x01234567L, FBAddress);
4217         writel(0x456789ABL, (FBAddress + 4));
4218         writel(0x89ABCDEFL, (FBAddress + 8));
4219         writel(0xCDEF0123L, (FBAddress + 12));
4220
4221         inSISIDXREG(SISSR, 0x3b, reg);
4222         if(reg & 0x01) {
4223                 if(readl((FBAddress + 12)) == 0xCDEF0123L)
4224                         return 4;       /* Channel A 128bit */
4225         }
4226
4227         if(readl((FBAddress + 4)) == 0x456789ABL)
4228                 return 2;               /* Channel B 64bit */
4229
4230         return 1;                       /* 32bit */
4231 }
4232
4233 static int __devinit
4234 sisfb_post_300_rwtest(struct sis_video_info *ivideo, int iteration, int buswidth,
4235                         int PseudoRankCapacity, int PseudoAdrPinCount,
4236                         unsigned int mapsize)
4237 {
4238         void __iomem *FBAddr = ivideo->video_vbase;
4239         unsigned short sr14;
4240         unsigned int k, RankCapacity, PageCapacity, BankNumHigh, BankNumMid;
4241         unsigned int PhysicalAdrOtherPage, PhysicalAdrHigh, PhysicalAdrHalfPage;
4242         static const unsigned short SiS_DRAMType[17][5] = {
4243                 {0x0C,0x0A,0x02,0x40,0x39},
4244                 {0x0D,0x0A,0x01,0x40,0x48},
4245                 {0x0C,0x09,0x02,0x20,0x35},
4246                 {0x0D,0x09,0x01,0x20,0x44},
4247                 {0x0C,0x08,0x02,0x10,0x31},
4248                 {0x0D,0x08,0x01,0x10,0x40},
4249                 {0x0C,0x0A,0x01,0x20,0x34},
4250                 {0x0C,0x09,0x01,0x08,0x32},
4251                 {0x0B,0x08,0x02,0x08,0x21},
4252                 {0x0C,0x08,0x01,0x08,0x30},
4253                 {0x0A,0x08,0x02,0x04,0x11},
4254                 {0x0B,0x0A,0x01,0x10,0x28},
4255                 {0x09,0x08,0x02,0x02,0x01},
4256                 {0x0B,0x09,0x01,0x08,0x24},
4257                 {0x0B,0x08,0x01,0x04,0x20},
4258                 {0x0A,0x08,0x01,0x02,0x10},
4259                 {0x09,0x08,0x01,0x01,0x00}
4260         };
4261
4262          for(k = 0; k <= 16; k++) {
4263
4264                 RankCapacity = buswidth * SiS_DRAMType[k][3];
4265
4266                 if(RankCapacity != PseudoRankCapacity)
4267                         continue;
4268
4269                 if((SiS_DRAMType[k][2] + SiS_DRAMType[k][0]) > PseudoAdrPinCount)
4270                         continue;
4271
4272                 BankNumHigh = RankCapacity * 16 * iteration - 1;
4273                 if(iteration == 3) {             /* Rank No */
4274                         BankNumMid  = RankCapacity * 16 - 1;
4275                 } else {
4276                         BankNumMid  = RankCapacity * 16 * iteration / 2 - 1;
4277                 }
4278
4279                 PageCapacity = (1 << SiS_DRAMType[k][1]) * buswidth * 4;
4280                 PhysicalAdrHigh = BankNumHigh;
4281                 PhysicalAdrHalfPage = (PageCapacity / 2 + PhysicalAdrHigh) % PageCapacity;
4282                 PhysicalAdrOtherPage = PageCapacity * SiS_DRAMType[k][2] + PhysicalAdrHigh;
4283
4284                 andSISIDXREG(SISSR, 0x15, 0xFB); /* Test */
4285                 orSISIDXREG(SISSR, 0x15, 0x04);  /* Test */
4286                 sr14 = (SiS_DRAMType[k][3] * buswidth) - 1;
4287                 if(buswidth == 4)      sr14 |= 0x80;
4288                 else if(buswidth == 2) sr14 |= 0x40;
4289                 outSISIDXREG(SISSR, 0x13, SiS_DRAMType[k][4]);
4290                 outSISIDXREG(SISSR, 0x14, sr14);
4291
4292                 BankNumHigh <<= 16;
4293                 BankNumMid <<= 16;
4294
4295                 if((BankNumHigh + PhysicalAdrHigh      >= mapsize) ||
4296                    (BankNumMid  + PhysicalAdrHigh      >= mapsize) ||
4297                    (BankNumHigh + PhysicalAdrHalfPage  >= mapsize) ||
4298                    (BankNumHigh + PhysicalAdrOtherPage >= mapsize))
4299                         continue;
4300
4301                 /* Write data */
4302                 writew(((unsigned short)PhysicalAdrHigh),
4303                                 (FBAddr + BankNumHigh + PhysicalAdrHigh));
4304                 writew(((unsigned short)BankNumMid),
4305                                 (FBAddr + BankNumMid  + PhysicalAdrHigh));
4306                 writew(((unsigned short)PhysicalAdrHalfPage),
4307                                 (FBAddr + BankNumHigh + PhysicalAdrHalfPage));
4308                 writew(((unsigned short)PhysicalAdrOtherPage),
4309                                 (FBAddr + BankNumHigh + PhysicalAdrOtherPage));
4310
4311                 /* Read data */
4312                 if(readw(FBAddr + BankNumHigh + PhysicalAdrHigh) == PhysicalAdrHigh)
4313                         return 1;
4314         }
4315
4316         return 0;
4317 }
4318
4319 static void __devinit
4320 sisfb_post_300_ramsize(struct pci_dev *pdev, unsigned int mapsize)
4321 {
4322         struct  sis_video_info *ivideo = pci_get_drvdata(pdev);
4323         int     i, j, buswidth;
4324         int     PseudoRankCapacity, PseudoAdrPinCount;
4325
4326         buswidth = sisfb_post_300_buswidth(ivideo);
4327
4328         for(i = 6; i >= 0; i--) {
4329                 PseudoRankCapacity = 1 << i;
4330                 for(j = 4; j >= 1; j--) {
4331                         PseudoAdrPinCount = 15 - j;
4332                         if((PseudoRankCapacity * j) <= 64) {
4333                                 if(sisfb_post_300_rwtest(ivideo,
4334                                                 j,
4335                                                 buswidth,
4336                                                 PseudoRankCapacity,
4337                                                 PseudoAdrPinCount,
4338                                                 mapsize))
4339                                         return;
4340                         }
4341                 }
4342         }
4343 }
4344
4345 static void __devinit
4346 sisfb_post_sis300(struct pci_dev *pdev)
4347 {
4348         struct sis_video_info *ivideo = pci_get_drvdata(pdev);
4349         unsigned char *bios = ivideo->SiS_Pr.VirtualRomBase;
4350         u8  reg, v1, v2, v3, v4, v5, v6, v7, v8;
4351         u16 index, rindex, memtype = 0;
4352         unsigned int mapsize;
4353
4354         if(!ivideo->SiS_Pr.UseROM)
4355                 bios = NULL;
4356
4357         outSISIDXREG(SISSR, 0x05, 0x86);
4358
4359         if(bios) {
4360                 if(bios[0x52] & 0x80) {
4361                         memtype = bios[0x52];
4362                 } else {
4363                         inSISIDXREG(SISSR, 0x3a, memtype);
4364                 }
4365                 memtype &= 0x07;
4366         }
4367
4368         v3 = 0x80; v6 = 0x80;
4369         if(ivideo->revision_id <= 0x13) {
4370                 v1 = 0x44; v2 = 0x42;
4371                 v4 = 0x44; v5 = 0x42;
4372         } else {
4373                 v1 = 0x68; v2 = 0x43; /* Assume 125Mhz MCLK */
4374                 v4 = 0x68; v5 = 0x43; /* Assume 125Mhz ECLK */
4375                 if(bios) {
4376                         index = memtype * 5;
4377                         rindex = index + 0x54;
4378                         v1 = bios[rindex++];
4379                         v2 = bios[rindex++];
4380                         v3 = bios[rindex++];
4381                         rindex = index + 0x7c;
4382                         v4 = bios[rindex++];
4383                         v5 = bios[rindex++];
4384                         v6 = bios[rindex++];
4385                 }
4386         }
4387         outSISIDXREG(SISSR, 0x28, v1);
4388         outSISIDXREG(SISSR, 0x29, v2);
4389         outSISIDXREG(SISSR, 0x2a, v3);
4390         outSISIDXREG(SISSR, 0x2e, v4);
4391         outSISIDXREG(SISSR, 0x2f, v5);
4392         outSISIDXREG(SISSR, 0x30, v6);
4393
4394         v1 = 0x10;
4395         if(bios)
4396                 v1 = bios[0xa4];
4397         outSISIDXREG(SISSR, 0x07, v1);       /* DAC speed */
4398
4399         outSISIDXREG(SISSR, 0x11, 0x0f);     /* DDC, power save */
4400
4401         v1 = 0x01; v2 = 0x43; v3 = 0x1e; v4 = 0x2a;
4402         v5 = 0x06; v6 = 0x00; v7 = 0x00; v8 = 0x00;
4403         if(bios) {
4404                 memtype += 0xa5;
4405                 v1 = bios[memtype];
4406                 v2 = bios[memtype + 8];
4407                 v3 = bios[memtype + 16];
4408                 v4 = bios[memtype + 24];
4409                 v5 = bios[memtype + 32];
4410                 v6 = bios[memtype + 40];
4411                 v7 = bios[memtype + 48];
4412                 v8 = bios[memtype + 56];
4413         }
4414         if(ivideo->revision_id >= 0x80)
4415                 v3 &= 0xfd;
4416         outSISIDXREG(SISSR, 0x15, v1);       /* Ram type (assuming 0, BIOS 0xa5 step 8) */
4417         outSISIDXREG(SISSR, 0x16, v2);
4418         outSISIDXREG(SISSR, 0x17, v3);
4419         outSISIDXREG(SISSR, 0x18, v4);
4420         outSISIDXREG(SISSR, 0x19, v5);
4421         outSISIDXREG(SISSR, 0x1a, v6);
4422         outSISIDXREG(SISSR, 0x1b, v7);
4423         outSISIDXREG(SISSR, 0x1c, v8);     /* ---- */
4424         andSISIDXREG(SISSR, 0x15 ,0xfb);
4425         orSISIDXREG(SISSR, 0x15, 0x04);
4426         if(bios) {
4427                 if(bios[0x53] & 0x02) {
4428                         orSISIDXREG(SISSR, 0x19, 0x20);
4429                 }
4430         }
4431         v1 = 0x04;                         /* DAC pedestal (BIOS 0xe5) */
4432         if(ivideo->revision_id >= 0x80)
4433                 v1 |= 0x01;
4434         outSISIDXREG(SISSR, 0x1f, v1);
4435         outSISIDXREG(SISSR, 0x20, 0xa4);     /* linear & relocated io & disable a0000 */
4436         v1 = 0xf6; v2 = 0x0d; v3 = 0x00;
4437         if(bios) {
4438                 v1 = bios[0xe8];
4439                 v2 = bios[0xe9];
4440                 v3 = bios[0xea];
4441         }
4442         outSISIDXREG(SISSR, 0x23, v1);
4443         outSISIDXREG(SISSR, 0x24, v2);
4444         outSISIDXREG(SISSR, 0x25, v3);
4445         outSISIDXREG(SISSR, 0x21, 0x84);
4446         outSISIDXREG(SISSR, 0x22, 0x00);
4447         outSISIDXREG(SISCR, 0x37, 0x00);
4448         orSISIDXREG(SISPART1, 0x24, 0x01);   /* unlock crt2 */
4449         outSISIDXREG(SISPART1, 0x00, 0x00);
4450         v1 = 0x40; v2 = 0x11;
4451         if(bios) {
4452                 v1 = bios[0xec];
4453                 v2 = bios[0xeb];
4454         }
4455         outSISIDXREG(SISPART1, 0x02, v1);
4456
4457         if(ivideo->revision_id >= 0x80)
4458                 v2 &= ~0x01;
4459
4460         inSISIDXREG(SISPART4, 0x00, reg);
4461         if((reg == 1) || (reg == 2)) {
4462                 outSISIDXREG(SISCR, 0x37, 0x02);
4463                 outSISIDXREG(SISPART2, 0x00, 0x1c);
4464                 v4 = 0x00; v5 = 0x00; v6 = 0x10;
4465                 if(ivideo->SiS_Pr.UseROM) {
4466                         v4 = bios[0xf5];
4467                         v5 = bios[0xf6];
4468                         v6 = bios[0xf7];
4469                 }
4470                 outSISIDXREG(SISPART4, 0x0d, v4);
4471                 outSISIDXREG(SISPART4, 0x0e, v5);
4472                 outSISIDXREG(SISPART4, 0x10, v6);
4473                 outSISIDXREG(SISPART4, 0x0f, 0x3f);
4474                 inSISIDXREG(SISPART4, 0x01, reg);
4475                 if(reg >= 0xb0) {
4476                         inSISIDXREG(SISPART4, 0x23, reg);
4477                         reg &= 0x20;
4478                         reg <<= 1;
4479                         outSISIDXREG(SISPART4, 0x23, reg);
4480                 }
4481         } else {
4482                 v2 &= ~0x10;
4483         }
4484         outSISIDXREG(SISSR, 0x32, v2);
4485
4486         andSISIDXREG(SISPART1, 0x24, 0xfe);  /* Lock CRT2 */
4487
4488         inSISIDXREG(SISSR, 0x16, reg);
4489         reg &= 0xc3;
4490         outSISIDXREG(SISCR, 0x35, reg);
4491         outSISIDXREG(SISCR, 0x83, 0x00);
4492 #if !defined(__i386__) && !defined(__x86_64__)
4493         if(sisfb_videoram) {
4494                 outSISIDXREG(SISSR, 0x13, 0x28);  /* ? */
4495                 reg = ((sisfb_videoram >> 10) - 1) | 0x40;
4496                 outSISIDXREG(SISSR, 0x14, reg);
4497         } else {
4498 #endif
4499                 /* Need to map max FB size for finding out about RAM size */
4500                 mapsize = ivideo->video_size;
4501                 sisfb_post_map_vram(ivideo, &mapsize, 4);
4502
4503                 if(ivideo->video_vbase) {
4504                         sisfb_post_300_ramsize(pdev, mapsize);
4505                         iounmap(ivideo->video_vbase);
4506                 } else {
4507                         printk(KERN_DEBUG
4508                                 "sisfb: Failed to map memory for size detection, assuming 8MB\n");
4509                         outSISIDXREG(SISSR, 0x13, 0x28);  /* ? */
4510                         outSISIDXREG(SISSR, 0x14, 0x47);  /* 8MB, 64bit default */
4511                 }
4512 #if !defined(__i386__) && !defined(__x86_64__)
4513         }
4514 #endif
4515         if(bios) {
4516                 v1 = bios[0xe6];
4517                 v2 = bios[0xe7];
4518         } else {
4519                 inSISIDXREG(SISSR, 0x3a, reg);
4520                 if((reg & 0x30) == 0x30) {
4521                         v1 = 0x04; /* PCI */
4522                         v2 = 0x92;
4523                 } else {
4524                         v1 = 0x14; /* AGP */
4525                         v2 = 0xb2;
4526                 }
4527         }
4528         outSISIDXREG(SISSR, 0x21, v1);
4529         outSISIDXREG(SISSR, 0x22, v2);
4530
4531         /* Sense CRT1 */
4532         sisfb_sense_crt1(ivideo);
4533
4534         /* Set default mode, don't clear screen */
4535         ivideo->SiS_Pr.SiS_UseOEM = false;
4536         SiS_SetEnableDstn(&ivideo->SiS_Pr, false);
4537         SiS_SetEnableFstn(&ivideo->SiS_Pr, false);
4538         ivideo->curFSTN = ivideo->curDSTN = 0;
4539         ivideo->SiS_Pr.VideoMemorySize = 8 << 20;
4540         SiSSetMode(&ivideo->SiS_Pr, 0x2e | 0x80);
4541
4542         outSISIDXREG(SISSR, 0x05, 0x86);
4543
4544         /* Display off */
4545         orSISIDXREG(SISSR, 0x01, 0x20);
4546
4547         /* Save mode number in CR34 */
4548         outSISIDXREG(SISCR, 0x34, 0x2e);
4549
4550         /* Let everyone know what the current mode is */
4551         ivideo->modeprechange = 0x2e;
4552 }
4553 #endif
4554
4555 #ifdef CONFIG_FB_SIS_315
4556 #if 0
4557 static void __devinit
4558 sisfb_post_sis315330(struct pci_dev *pdev)
4559 {
4560         /* TODO */
4561 }
4562 #endif
4563
4564 static void __devinit
4565 sisfb_post_xgi_delay(struct sis_video_info *ivideo, int delay)
4566 {
4567         unsigned int i;
4568         u8 reg;
4569
4570         for(i = 0; i <= (delay * 10 * 36); i++) {
4571                 inSISIDXREG(SISSR, 0x05, reg);
4572                 reg++;
4573         }
4574 }
4575
4576 static int __devinit
4577 sisfb_find_host_bridge(struct sis_video_info *ivideo, struct pci_dev *mypdev,
4578                                 unsigned short pcivendor)
4579 {
4580         struct pci_dev *pdev = NULL;
4581         unsigned short temp;
4582         int ret = 0;
4583
4584         while((pdev = pci_get_class(PCI_CLASS_BRIDGE_HOST, pdev))) {
4585                 temp = pdev->vendor;
4586                 if(temp == pcivendor) {
4587                         ret = 1;
4588                         pci_dev_put(pdev);
4589                         break;
4590                 }
4591         }
4592
4593         return ret;
4594 }
4595
4596 static int __devinit
4597 sisfb_post_xgi_rwtest(struct sis_video_info *ivideo, int starta,
4598                         unsigned int enda, unsigned int mapsize)
4599 {
4600         unsigned int pos;
4601         int i;
4602
4603         writel(0, ivideo->video_vbase);
4604
4605         for(i = starta; i <= enda; i++) {
4606                 pos = 1 << i;
4607                 if(pos < mapsize)
4608                         writel(pos, ivideo->video_vbase + pos);
4609         }
4610
4611         sisfb_post_xgi_delay(ivideo, 150);
4612
4613         if(readl(ivideo->video_vbase) != 0)
4614                 return 0;
4615
4616         for(i = starta; i <= enda; i++) {
4617                 pos = 1 << i;
4618                 if(pos < mapsize) {
4619                         if(readl(ivideo->video_vbase + pos) != pos)
4620                                 return 0;
4621                 } else
4622                         return 0;
4623         }
4624
4625         return 1;
4626 }
4627
4628 static void __devinit
4629 sisfb_post_xgi_ramsize(struct sis_video_info *ivideo)
4630 {
4631         unsigned int buswidth, ranksize, channelab, mapsize;
4632         int i, j, k, l;
4633         u8 reg, sr14;
4634         static const u8 dramsr13[12 * 5] = {
4635                 0x02, 0x0e, 0x0b, 0x80, 0x5d,
4636                 0x02, 0x0e, 0x0a, 0x40, 0x59,
4637                 0x02, 0x0d, 0x0b, 0x40, 0x4d,
4638                 0x02, 0x0e, 0x09, 0x20, 0x55,
4639                 0x02, 0x0d, 0x0a, 0x20, 0x49,
4640                 0x02, 0x0c, 0x0b, 0x20, 0x3d,
4641                 0x02, 0x0e, 0x08, 0x10, 0x51,
4642                 0x02, 0x0d, 0x09, 0x10, 0x45,
4643                 0x02, 0x0c, 0x0a, 0x10, 0x39,
4644                 0x02, 0x0d, 0x08, 0x08, 0x41,
4645                 0x02, 0x0c, 0x09, 0x08, 0x35,
4646                 0x02, 0x0c, 0x08, 0x04, 0x31
4647         };
4648         static const u8 dramsr13_4[4 * 5] = {
4649                 0x02, 0x0d, 0x09, 0x40, 0x45,
4650                 0x02, 0x0c, 0x09, 0x20, 0x35,
4651                 0x02, 0x0c, 0x08, 0x10, 0x31,
4652                 0x02, 0x0b, 0x08, 0x08, 0x21
4653         };
4654
4655         /* Enable linear mode, disable 0xa0000 address decoding */
4656         /* We disable a0000 address decoding, because
4657          * - if running on x86, if the card is disabled, it means
4658          *   that another card is in the system. We don't want
4659          *   to interphere with that primary card's textmode.
4660          * - if running on non-x86, there usually is no VGA window
4661          *   at a0000.
4662          */
4663         orSISIDXREG(SISSR, 0x20, (0x80 | 0x04));
4664
4665         /* Need to map max FB size for finding out about RAM size */
4666         mapsize = ivideo->video_size;
4667         sisfb_post_map_vram(ivideo, &mapsize, 32);
4668
4669         if(!ivideo->video_vbase) {
4670                 printk(KERN_ERR "sisfb: Unable to detect RAM size. Setting default.\n");
4671                 outSISIDXREG(SISSR, 0x13, 0x35);
4672                 outSISIDXREG(SISSR, 0x14, 0x41);
4673                 /* TODO */
4674                 return;
4675         }
4676
4677         /* Non-interleaving */
4678         outSISIDXREG(SISSR, 0x15, 0x00);
4679         /* No tiling */
4680         outSISIDXREG(SISSR, 0x1c, 0x00);
4681
4682         if(ivideo->chip == XGI_20) {
4683
4684                 channelab = 1;
4685                 inSISIDXREG(SISCR, 0x97, reg);
4686                 if(!(reg & 0x01)) {     /* Single 32/16 */
4687                         buswidth = 32;
4688                         outSISIDXREG(SISSR, 0x13, 0xb1);
4689                         outSISIDXREG(SISSR, 0x14, 0x52);
4690                         sisfb_post_xgi_delay(ivideo, 1);
4691                         sr14 = 0x02;
4692                         if(sisfb_post_xgi_rwtest(ivideo, 23, 24, mapsize))
4693                                 goto bail_out;
4694
4695                         outSISIDXREG(SISSR, 0x13, 0x31);
4696                         outSISIDXREG(SISSR, 0x14, 0x42);
4697                         sisfb_post_xgi_delay(ivideo, 1);
4698                         if(sisfb_post_xgi_rwtest(ivideo, 23, 23, mapsize))
4699                                 goto bail_out;
4700
4701                         buswidth = 16;
4702                         outSISIDXREG(SISSR, 0x13, 0xb1);
4703                         outSISIDXREG(SISSR, 0x14, 0x41);
4704                         sisfb_post_xgi_delay(ivideo, 1);
4705                         sr14 = 0x01;
4706                         if(sisfb_post_xgi_rwtest(ivideo, 22, 23, mapsize))
4707                                 goto bail_out;
4708                         else
4709                                 outSISIDXREG(SISSR, 0x13, 0x31);
4710                 } else {                /* Dual 16/8 */
4711                         buswidth = 16;
4712                         outSISIDXREG(SISSR, 0x13, 0xb1);
4713                         outSISIDXREG(SISSR, 0x14, 0x41);
4714                         sisfb_post_xgi_delay(ivideo, 1);
4715                         sr14 = 0x01;
4716                         if(sisfb_post_xgi_rwtest(ivideo, 22, 23, mapsize))
4717                                 goto bail_out;
4718
4719                         outSISIDXREG(SISSR, 0x13, 0x31);
4720                         outSISIDXREG(SISSR, 0x14, 0x31);
4721                         sisfb_post_xgi_delay(ivideo, 1);
4722                         if(sisfb_post_xgi_rwtest(ivideo, 22, 22, mapsize))
4723                                 goto bail_out;
4724
4725                         buswidth = 8;
4726                         outSISIDXREG(SISSR, 0x13, 0xb1);
4727                         outSISIDXREG(SISSR, 0x14, 0x30);
4728                         sisfb_post_xgi_delay(ivideo, 1);
4729                         sr14 = 0x00;
4730                         if(sisfb_post_xgi_rwtest(ivideo, 21, 22, mapsize))
4731                                 goto bail_out;
4732                         else
4733                                 outSISIDXREG(SISSR, 0x13, 0x31);
4734                 }
4735
4736         } else {        /* XGI_40 */
4737
4738                 inSISIDXREG(SISCR, 0x97, reg);
4739                 if(!(reg & 0x10)) {
4740                         inSISIDXREG(SISSR, 0x39, reg);
4741                         reg >>= 1;
4742                 }
4743
4744                 if(reg & 0x01) {        /* DDRII */
4745                         buswidth = 32;
4746                         if(ivideo->revision_id == 2) {
4747                                 channelab = 2;
4748                                 outSISIDXREG(SISSR, 0x13, 0xa1);
4749                                 outSISIDXREG(SISSR, 0x14, 0x44);
4750                                 sr14 = 0x04;
4751                                 sisfb_post_xgi_delay(ivideo, 1);
4752                                 if(sisfb_post_xgi_rwtest(ivideo, 23, 24, mapsize))
4753                                         goto bail_out;
4754
4755                                 outSISIDXREG(SISSR, 0x13, 0x21);
4756                                 outSISIDXREG(SISSR, 0x14, 0x34);
4757                                 if(sisfb_post_xgi_rwtest(ivideo, 22, 23, mapsize))
4758                                         goto bail_out;
4759
4760                                 channelab = 1;
4761                                 outSISIDXREG(SISSR, 0x13, 0xa1);
4762                                 outSISIDXREG(SISSR, 0x14, 0x40);
4763                                 sr14 = 0x00;
4764                                 if(sisfb_post_xgi_rwtest(ivideo, 22, 23, mapsize))
4765                                         goto bail_out;
4766
4767                                 outSISIDXREG(SISSR, 0x13, 0x21);
4768                                 outSISIDXREG(SISSR, 0x14, 0x30);
4769                         } else {
4770                                 channelab = 3;
4771                                 outSISIDXREG(SISSR, 0x13, 0xa1);
4772                                 outSISIDXREG(SISSR, 0x14, 0x4c);
4773                                 sr14 = 0x0c;
4774                                 sisfb_post_xgi_delay(ivideo, 1);
4775                                 if(sisfb_post_xgi_rwtest(ivideo, 23, 25, mapsize))
4776                                         goto bail_out;
4777
4778                                 channelab = 2;
4779                                 outSISIDXREG(SISSR, 0x14, 0x48);
4780                                 sisfb_post_xgi_delay(ivideo, 1);
4781                                 sr14 = 0x08;
4782                                 if(sisfb_post_xgi_rwtest(ivideo, 23, 24, mapsize))
4783                                         goto bail_out;
4784
4785                                 outSISIDXREG(SISSR, 0x13, 0x21);
4786                                 outSISIDXREG(SISSR, 0x14, 0x3c);
4787                                 sr14 = 0x0c;
4788
4789                                 if(sisfb_post_xgi_rwtest(ivideo, 23, 24, mapsize)) {
4790                                         channelab = 3;
4791                                 } else {
4792                                         channelab = 2;
4793                                         outSISIDXREG(SISSR, 0x14, 0x38);
4794                                         sr14 = 0x08;
4795                                 }
4796                         }
4797                         sisfb_post_xgi_delay(ivideo, 1);
4798
4799                 } else {        /* DDR */
4800
4801                         buswidth = 64;
4802                         if(ivideo->revision_id == 2) {
4803                                 channelab = 1;
4804                                 outSISIDXREG(SISSR, 0x13, 0xa1);
4805                                 outSISIDXREG(SISSR, 0x14, 0x52);
4806                                 sisfb_post_xgi_delay(ivideo, 1);
4807                                 sr14 = 0x02;
4808                                 if(sisfb_post_xgi_rwtest(ivideo, 23, 24, mapsize))
4809                                         goto bail_out;
4810
4811                                 outSISIDXREG(SISSR, 0x13, 0x21);
4812                                 outSISIDXREG(SISSR, 0x14, 0x42);
4813                         } else {
4814                                 channelab = 2;
4815                                 outSISIDXREG(SISSR, 0x13, 0xa1);
4816                                 outSISIDXREG(SISSR, 0x14, 0x5a);
4817                                 sisfb_post_xgi_delay(ivideo, 1);
4818                                 sr14 = 0x0a;
4819                                 if(sisfb_post_xgi_rwtest(ivideo, 24, 25, mapsize))
4820                                         goto bail_out;
4821
4822                                 outSISIDXREG(SISSR, 0x13, 0x21);
4823                                 outSISIDXREG(SISSR, 0x14, 0x4a);
4824                         }
4825                         sisfb_post_xgi_delay(ivideo, 1);
4826
4827                 }
4828         }
4829
4830 bail_out:
4831         setSISIDXREG(SISSR, 0x14, 0xf0, sr14);
4832         sisfb_post_xgi_delay(ivideo, 1);
4833
4834         j = (ivideo->chip == XGI_20) ? 5 : 9;
4835         k = (ivideo->chip == XGI_20) ? 12 : 4;
4836
4837         for(i = 0; i < k; i++) {
4838
4839                 reg = (ivideo->chip == XGI_20) ?
4840                                 dramsr13[(i * 5) + 4] : dramsr13_4[(i * 5) + 4];
4841                 setSISIDXREG(SISSR, 0x13, 0x80, reg);
4842                 sisfb_post_xgi_delay(ivideo, 50);
4843
4844                 ranksize = (ivideo->chip == XGI_20) ?
4845                                 dramsr13[(i * 5) + 3] : dramsr13_4[(i * 5) + 3];
4846
4847                 inSISIDXREG(SISSR, 0x13, reg);
4848                 if(reg & 0x80) ranksize <<= 1;
4849
4850                 if(ivideo->chip == XGI_20) {
4851                         if(buswidth == 16)      ranksize <<= 1;
4852                         else if(buswidth == 32) ranksize <<= 2;
4853                 } else {
4854                         if(buswidth == 64)      ranksize <<= 1;
4855                 }
4856
4857                 reg = 0;
4858                 l = channelab;
4859                 if(l == 3) l = 4;
4860                 if((ranksize * l) <= 256) {
4861                         while((ranksize >>= 1)) reg += 0x10;
4862                 }
4863
4864                 if(!reg) continue;
4865
4866                 setSISIDXREG(SISSR, 0x14, 0x0f, (reg & 0xf0));
4867                 sisfb_post_xgi_delay(ivideo, 1);
4868
4869                 if(sisfb_post_xgi_rwtest(ivideo, j, ((reg >> 4) + channelab - 2 + 20), mapsize))
4870                         break;
4871         }
4872
4873         iounmap(ivideo->video_vbase);
4874 }
4875
4876 static void __devinit
4877 sisfb_post_xgi_setclocks(struct sis_video_info *ivideo, u8 regb)
4878 {
4879         u8 v1, v2, v3;
4880         int index;
4881         static const u8 cs90[8 * 3] = {
4882                 0x16, 0x01, 0x01,
4883                 0x3e, 0x03, 0x01,
4884                 0x7c, 0x08, 0x01,
4885                 0x79, 0x06, 0x01,
4886                 0x29, 0x01, 0x81,
4887                 0x5c, 0x23, 0x01,
4888                 0x5c, 0x23, 0x01,
4889                 0x5c, 0x23, 0x01
4890         };
4891         static const u8 csb8[8 * 3] = {
4892                 0x5c, 0x23, 0x01,
4893                 0x29, 0x01, 0x01,
4894                 0x7c, 0x08, 0x01,
4895                 0x79, 0x06, 0x01,
4896                 0x29, 0x01, 0x81,
4897                 0x5c, 0x23, 0x01,
4898                 0x5c, 0x23, 0x01,
4899                 0x5c, 0x23, 0x01
4900         };
4901
4902         regb = 0;  /* ! */
4903
4904         index = regb * 3;
4905         v1 = cs90[index]; v2 = cs90[index + 1]; v3 = cs90[index + 2];
4906         if(ivideo->haveXGIROM) {
4907                 v1 = ivideo->bios_abase[0x90 + index];
4908                 v2 = ivideo->bios_abase[0x90 + index + 1];
4909                 v3 = ivideo->bios_abase[0x90 + index + 2];
4910         }
4911         outSISIDXREG(SISSR, 0x28, v1);
4912         outSISIDXREG(SISSR, 0x29, v2);
4913         outSISIDXREG(SISSR, 0x2a, v3);
4914         sisfb_post_xgi_delay(ivideo, 0x43);
4915         sisfb_post_xgi_delay(ivideo, 0x43);
4916         sisfb_post_xgi_delay(ivideo, 0x43);
4917         index = regb * 3;
4918         v1 = csb8[index]; v2 = csb8[index + 1]; v3 = csb8[index + 2];
4919         if(ivideo->haveXGIROM) {
4920                 v1 = ivideo->bios_abase[0xb8 + index];
4921                 v2 = ivideo->bios_abase[0xb8 + index + 1];
4922                 v3 = ivideo->bios_abase[0xb8 + index + 2];
4923         }
4924         outSISIDXREG(SISSR, 0x2e, v1);
4925         outSISIDXREG(SISSR, 0x2f, v2);
4926         outSISIDXREG(SISSR, 0x30, v3);
4927         sisfb_post_xgi_delay(ivideo, 0x43);
4928         sisfb_post_xgi_delay(ivideo, 0x43);
4929         sisfb_post_xgi_delay(ivideo, 0x43);
4930 }
4931
4932 static int __devinit
4933 sisfb_post_xgi(struct pci_dev *pdev)
4934 {
4935         struct sis_video_info *ivideo = pci_get_drvdata(pdev);
4936         unsigned char *bios = ivideo->bios_abase;
4937         struct pci_dev *mypdev = NULL;
4938         const u8 *ptr, *ptr2;
4939         u8 v1, v2, v3, v4, v5, reg, ramtype;
4940         u32 rega, regb, regd;
4941         int i, j, k, index;
4942         static const u8 cs78[3] = { 0xf6, 0x0d, 0x00 };
4943         static const u8 cs76[2] = { 0xa3, 0xfb };
4944         static const u8 cs7b[3] = { 0xc0, 0x11, 0x00 };
4945         static const u8 cs158[8] = {
4946                 0x88, 0xaa, 0x48, 0x00, 0x00, 0x00, 0x00, 0x00
4947         };
4948         static const u8 cs160[8] = {
4949                 0x44, 0x77, 0x77, 0x00, 0x00, 0x00, 0x00, 0x00
4950         };
4951         static const u8 cs168[8] = {
4952                 0x48, 0x78, 0x88, 0x00, 0x00, 0x00, 0x00, 0x00
4953         };
4954         static const u8 cs128[3 * 8] = {
4955                 0x90, 0x28, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00,
4956                 0x77, 0x44, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00,
4957                 0x77, 0x44, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00
4958         };
4959         static const u8 cs148[2 * 8] = {
4960                 0x55, 0x55, 0x55, 0x00, 0x00, 0x00, 0x00, 0x00,
4961                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
4962         };
4963         static const u8 cs31a[8 * 4] = {
4964                 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
4965                 0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
4966                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
4967                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
4968         };
4969         static const u8 cs33a[8 * 4] = {
4970                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
4971                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
4972                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
4973                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
4974         };
4975         static const u8 cs45a[8 * 2] = {
4976                 0x00, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0x00, 0x00,
4977                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
4978         };
4979         static const u8 cs170[7 * 8] = {
4980                 0x54, 0x32, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00,
4981                 0x54, 0x43, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00,
4982                 0x0a, 0x05, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00,
4983                 0x44, 0x34, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00,
4984                 0x10, 0x0a, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00,
4985                 0x11, 0x0c, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00,
4986                 0x05, 0x05, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00
4987         };
4988         static const u8 cs1a8[3 * 8] = {
4989                 0xf0, 0xf0, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00,
4990                 0x05, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,
4991                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
4992         };
4993         static const u8 cs100[2 * 8] = {
4994                 0xc4, 0x04, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00,
4995                 0xc4, 0x04, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00
4996         };
4997
4998         /* VGA enable */
4999         reg = inSISREG(SISVGAENABLE) | 0x01;
5000         outSISREG(SISVGAENABLE, reg);
5001
5002         /* Misc */
5003         reg = inSISREG(SISMISCR) | 0x01;
5004         outSISREG(SISMISCW, reg);
5005
5006         /* Unlock SR */
5007         outSISIDXREG(SISSR, 0x05, 0x86);
5008         inSISIDXREG(SISSR, 0x05, reg);
5009         if(reg != 0xa1)
5010                 return 0;
5011
5012         /* Clear some regs */
5013         for(i = 0; i < 0x22; i++) {
5014                 if(0x06 + i == 0x20) continue;
5015                 outSISIDXREG(SISSR, 0x06 + i, 0x00);
5016         }
5017         for(i = 0; i < 0x0b; i++) {
5018                 outSISIDXREG(SISSR, 0x31 + i, 0x00);
5019         }
5020         for(i = 0; i < 0x10; i++) {
5021                 outSISIDXREG(SISCR, 0x30 + i, 0x00);
5022         }
5023
5024         ptr = cs78;
5025         if(ivideo->haveXGIROM) {
5026                 ptr = (const u8 *)&bios[0x78];
5027         }
5028         for(i = 0; i < 3; i++) {
5029                 outSISIDXREG(SISSR, 0x23 + i, ptr[i]);
5030         }
5031
5032         ptr = cs76;
5033         if(ivideo->haveXGIROM) {
5034                 ptr = (const u8 *)&bios[0x76];
5035         }
5036         for(i = 0; i < 2; i++) {
5037                 outSISIDXREG(SISSR, 0x21 + i, ptr[i]);
5038         }
5039
5040         v1 = 0x18; v2 = 0x00;
5041         if(ivideo->haveXGIROM) {
5042                 v1 = bios[0x74];
5043                 v2 = bios[0x75];
5044         }
5045         outSISIDXREG(SISSR, 0x07, v1);
5046         outSISIDXREG(SISSR, 0x11, 0x0f);
5047         outSISIDXREG(SISSR, 0x1f, v2);
5048         /* PCI linear mode, RelIO enabled, A0000 decoding disabled */
5049         outSISIDXREG(SISSR, 0x20, 0x80 | 0x20 | 0x04);
5050         outSISIDXREG(SISSR, 0x27, 0x74);
5051
5052         ptr = cs7b;
5053         if(ivideo->haveXGIROM) {
5054                 ptr = (const u8 *)&bios[0x7b];
5055         }
5056         for(i = 0; i < 3; i++) {
5057                 outSISIDXREG(SISSR, 0x31 + i, ptr[i]);
5058         }
5059
5060         if(ivideo->chip == XGI_40) {
5061                 if(ivideo->revision_id == 2) {
5062                         setSISIDXREG(SISSR, 0x3b, 0x3f, 0xc0);
5063                 }
5064                 outSISIDXREG(SISCR, 0x7d, 0xfe);
5065                 outSISIDXREG(SISCR, 0x7e, 0x0f);
5066         }
5067         if(ivideo->revision_id == 0) {  /* 40 *and* 20? */
5068                 andSISIDXREG(SISCR, 0x58, 0xd7);
5069                 inSISIDXREG(SISCR, 0xcb, reg);
5070                 if(reg & 0x20) {
5071                         setSISIDXREG(SISCR, 0x58, 0xd7, (reg & 0x10) ? 0x08 : 0x20); /* =0x28 Z7 ? */
5072                 }
5073         }
5074
5075         reg = (ivideo->chip == XGI_40) ? 0x20 : 0x00;
5076         setSISIDXREG(SISCR, 0x38, 0x1f, reg);
5077
5078         if(ivideo->chip == XGI_20) {
5079                 outSISIDXREG(SISSR, 0x36, 0x70);
5080         } else {
5081                 outSISIDXREG(SISVID, 0x00, 0x86);
5082                 outSISIDXREG(SISVID, 0x32, 0x00);
5083                 outSISIDXREG(SISVID, 0x30, 0x00);
5084                 outSISIDXREG(SISVID, 0x32, 0x01);
5085                 outSISIDXREG(SISVID, 0x30, 0x00);
5086                 andSISIDXREG(SISVID, 0x2f, 0xdf);
5087                 andSISIDXREG(SISCAP, 0x00, 0x3f);
5088
5089                 outSISIDXREG(SISPART1, 0x2f, 0x01);
5090                 outSISIDXREG(SISPART1, 0x00, 0x00);
5091                 outSISIDXREG(SISPART1, 0x02, bios[0x7e]);
5092                 outSISIDXREG(SISPART1, 0x2e, 0x08);
5093                 andSISIDXREG(SISPART1, 0x35, 0x7f);
5094                 andSISIDXREG(SISPART1, 0x50, 0xfe);
5095
5096                 inSISIDXREG(SISPART4, 0x00, reg);
5097                 if(reg == 1 || reg == 2) {
5098                         outSISIDXREG(SISPART2, 0x00, 0x1c);
5099                         outSISIDXREG(SISPART4, 0x0d, bios[0x7f]);
5100                         outSISIDXREG(SISPART4, 0x0e, bios[0x80]);
5101                         outSISIDXREG(SISPART4, 0x10, bios[0x81]);
5102                         andSISIDXREG(SISPART4, 0x0f, 0x3f);
5103
5104                         inSISIDXREG(SISPART4, 0x01, reg);
5105                         if((reg & 0xf0) >= 0xb0) {
5106                                 inSISIDXREG(SISPART4, 0x23, reg);
5107                                 if(reg & 0x20) reg |= 0x40;
5108                                 outSISIDXREG(SISPART4, 0x23, reg);
5109                                 reg = (reg & 0x20) ? 0x02 : 0x00;
5110                                 setSISIDXREG(SISPART1, 0x1e, 0xfd, reg);
5111                         }
5112                 }
5113
5114                 v1 = bios[0x77];
5115
5116                 inSISIDXREG(SISSR, 0x3b, reg);
5117                 if(reg & 0x02) {
5118                         inSISIDXREG(SISSR, 0x3a, reg);
5119                         v2 = (reg & 0x30) >> 3;
5120                         if(!(v2 & 0x04)) v2 ^= 0x02;
5121                         inSISIDXREG(SISSR, 0x39, reg);
5122                         if(reg & 0x80) v2 |= 0x80;
5123                         v2 |= 0x01;
5124
5125                         if((mypdev = pci_get_device(PCI_VENDOR_ID_SI, 0x0730, NULL))) {
5126                                 pci_dev_put(mypdev);
5127                                 if(((v2 & 0x06) == 2) || ((v2 & 0x06) == 4))
5128                                         v2 &= 0xf9;
5129                                 v2 |= 0x08;
5130                                 v1 &= 0xfe;
5131                         } else {
5132                                 mypdev = pci_get_device(PCI_VENDOR_ID_SI, 0x0735, NULL);
5133                                 if(!mypdev)
5134                                         mypdev = pci_get_device(PCI_VENDOR_ID_SI, 0x0645, NULL);
5135                                 if(!mypdev)
5136                                         mypdev = pci_get_device(PCI_VENDOR_ID_SI, 0x0650, NULL);
5137                                 if(mypdev) {
5138                                         pci_read_config_dword(mypdev, 0x94, &regd);
5139                                         regd &= 0xfffffeff;
5140                                         pci_write_config_dword(mypdev, 0x94, regd);
5141                                         v1 &= 0xfe;
5142                                         pci_dev_put(mypdev);
5143                                 } else if(sisfb_find_host_bridge(ivideo, pdev, PCI_VENDOR_ID_SI)) {
5144                                         v1 &= 0xfe;
5145                                 } else if(sisfb_find_host_bridge(ivideo, pdev, 0x1106) ||
5146                                           sisfb_find_host_bridge(ivideo, pdev, 0x1022) ||
5147                                           sisfb_find_host_bridge(ivideo, pdev, 0x700e) ||
5148                                           sisfb_find_host_bridge(ivideo, pdev, 0x10de)) {
5149                                         if((v2 & 0x06) == 4)
5150                                                 v2 ^= 0x06;
5151                                         v2 |= 0x08;
5152                                 }
5153                         }
5154                         setSISIDXREG(SISCR, 0x5f, 0xf0, v2);
5155                 }
5156                 outSISIDXREG(SISSR, 0x22, v1);
5157
5158                 if(ivideo->revision_id == 2) {
5159                         inSISIDXREG(SISSR, 0x3b, v1);
5160                         inSISIDXREG(SISSR, 0x3a, v2);
5161                         regd = bios[0x90 + 3] | (bios[0x90 + 4] << 8);
5162                         if( (!(v1 & 0x02)) && (v2 & 0x30) && (regd < 0xcf) )
5163                                 setSISIDXREG(SISCR, 0x5f, 0xf1, 0x01);
5164
5165                         if((mypdev = pci_get_device(0x10de, 0x01e0, NULL))) {
5166                                 /* TODO: set CR5f &0xf1 | 0x01 for version 6570
5167                                  * of nforce 2 ROM
5168                                  */
5169                                 if(0)
5170                                         setSISIDXREG(SISCR, 0x5f, 0xf1, 0x01);
5171                                 pci_dev_put(mypdev);
5172                         }
5173                 }
5174
5175                 v1 = 0x30;
5176                 inSISIDXREG(SISSR, 0x3b, reg);
5177                 inSISIDXREG(SISCR, 0x5f, v2);
5178                 if((!(reg & 0x02)) && (v2 & 0x0e))
5179                         v1 |= 0x08;
5180                 outSISIDXREG(SISSR, 0x27, v1);
5181
5182                 if(bios[0x64] & 0x01) {
5183                         setSISIDXREG(SISCR, 0x5f, 0xf0, bios[0x64]);
5184                 }
5185
5186                 v1 = bios[0x4f7];
5187                 pci_read_config_dword(pdev, 0x50, &regd);
5188                 regd = (regd >> 20) & 0x0f;
5189                 if(regd == 1) {
5190                         v1 &= 0xfc;
5191                         orSISIDXREG(SISCR, 0x5f, 0x08);
5192                 }
5193                 outSISIDXREG(SISCR, 0x48, v1);
5194
5195                 setSISIDXREG(SISCR, 0x47, 0x04, bios[0x4f6] & 0xfb);
5196                 setSISIDXREG(SISCR, 0x49, 0xf0, bios[0x4f8] & 0x0f);
5197                 setSISIDXREG(SISCR, 0x4a, 0x60, bios[0x4f9] & 0x9f);
5198                 setSISIDXREG(SISCR, 0x4b, 0x08, bios[0x4fa] & 0xf7);
5199                 setSISIDXREG(SISCR, 0x4c, 0x80, bios[0x4fb] & 0x7f);
5200                 outSISIDXREG(SISCR, 0x70, bios[0x4fc]);
5201                 setSISIDXREG(SISCR, 0x71, 0xf0, bios[0x4fd] & 0x0f);
5202                 outSISIDXREG(SISCR, 0x74, 0xd0);
5203                 setSISIDXREG(SISCR, 0x74, 0xcf, bios[0x4fe] & 0x30);
5204                 setSISIDXREG(SISCR, 0x75, 0xe0, bios[0x4ff] & 0x1f);
5205                 setSISIDXREG(SISCR, 0x76, 0xe0, bios[0x500] & 0x1f);
5206                 v1 = bios[0x501];
5207                 if((mypdev = pci_get_device(0x8086, 0x2530, NULL))) {
5208                         v1 = 0xf0;
5209                         pci_dev_put(mypdev);
5210                 }
5211                 outSISIDXREG(SISCR, 0x77, v1);
5212         }
5213
5214         /* RAM type */
5215
5216         regb = 0;       /* ! */
5217
5218         v1 = 0xff;
5219         if(ivideo->haveXGIROM) {
5220                 v1 = bios[0x140 + regb];
5221         }
5222         outSISIDXREG(SISCR, 0x6d, v1);
5223
5224         ptr = cs128;
5225         if(ivideo->haveXGIROM) {
5226                 ptr = (const u8 *)&bios[0x128];
5227         }
5228         for(i = 0, j = 0; i < 3; i++, j += 8) {
5229                 outSISIDXREG(SISCR, 0x68 + i, ptr[j + regb]);
5230         }
5231
5232         ptr  = cs31a;
5233         ptr2 = cs33a;
5234         if(ivideo->haveXGIROM) {
5235                 index = (ivideo->chip == XGI_20) ? 0x31a : 0x3a6;
5236                 ptr  = (const u8 *)&bios[index];
5237                 ptr2 = (const u8 *)&bios[index + 0x20];
5238         }
5239         for(i = 0; i < 2; i++) {
5240                 if(i == 0) {
5241                         regd = le32_to_cpu(((u32 *)ptr)[regb]);
5242                         rega = 0x6b;
5243                 } else {
5244                         regd = le32_to_cpu(((u32 *)ptr2)[regb]);
5245                         rega = 0x6e;
5246                 }
5247                 reg = 0x00;
5248                 for(j = 0; j < 16; j++) {
5249                         reg &= 0xf3;
5250                         if(regd & 0x01) reg |= 0x04;
5251                         if(regd & 0x02) reg |= 0x08;
5252                         regd >>= 2;
5253                         outSISIDXREG(SISCR, rega, reg);
5254                         inSISIDXREG(SISCR, rega, reg);
5255                         inSISIDXREG(SISCR, rega, reg);
5256                         reg += 0x10;
5257                 }
5258         }
5259
5260         andSISIDXREG(SISCR, 0x6e, 0xfc);
5261
5262         ptr  = NULL;
5263         if(ivideo->haveXGIROM) {
5264                 index = (ivideo->chip == XGI_20) ? 0x35a : 0x3e6;
5265                 ptr  = (const u8 *)&bios[index];
5266         }
5267         for(i = 0; i < 4; i++) {
5268                 setSISIDXREG(SISCR, 0x6e, 0xfc, i);
5269                 reg = 0x00;
5270                 for(j = 0; j < 2; j++) {
5271                         regd = 0;
5272                         if(ptr) {
5273                                 regd = le32_to_cpu(((u32 *)ptr)[regb * 8]);
5274                                 ptr += 4;
5275                         }
5276                         /* reg = 0x00; */
5277                         for(k = 0; k < 16; k++) {
5278                                 reg &= 0xfc;
5279                                 if(regd & 0x01) reg |= 0x01;
5280                                 if(regd & 0x02) reg |= 0x02;
5281                                 regd >>= 2;
5282                                 outSISIDXREG(SISCR, 0x6f, reg);
5283                                 inSISIDXREG(SISCR, 0x6f, reg);
5284                                 inSISIDXREG(SISCR, 0x6f, reg);
5285                                 reg += 0x08;
5286                         }
5287                 }
5288         }
5289
5290         ptr  = cs148;
5291         if(ivideo->haveXGIROM) {
5292                 ptr  = (const u8 *)&bios[0x148];
5293         }
5294         for(i = 0, j = 0; i < 2; i++, j += 8) {
5295                 outSISIDXREG(SISCR, 0x80 + i, ptr[j + regb]);
5296         }
5297
5298         andSISIDXREG(SISCR, 0x89, 0x8f);
5299
5300         ptr  = cs45a;
5301         if(ivideo->haveXGIROM) {
5302                 index = (ivideo->chip == XGI_20) ? 0x45a : 0x4e6;
5303                 ptr  = (const u8 *)&bios[index];
5304         }
5305         regd = le16_to_cpu(((const u16 *)ptr)[regb]);
5306         reg = 0x80;
5307         for(i = 0; i < 5; i++) {
5308                 reg &= 0xfc;
5309                 if(regd & 0x01) reg |= 0x01;
5310                 if(regd & 0x02) reg |= 0x02;
5311                 regd >>= 2;
5312                 outSISIDXREG(SISCR, 0x89, reg);
5313                 inSISIDXREG(SISCR, 0x89, reg);
5314                 inSISIDXREG(SISCR, 0x89, reg);
5315                 reg += 0x10;
5316         }
5317
5318         v1 = 0xb5; v2 = 0x20; v3 = 0xf0; v4 = 0x13;
5319         if(ivideo->haveXGIROM) {
5320                 v1 = bios[0x118 + regb];
5321                 v2 = bios[0xf8 + regb];
5322                 v3 = bios[0x120 + regb];
5323                 v4 = bios[0x1ca];
5324         }
5325         outSISIDXREG(SISCR, 0x45, v1 & 0x0f);
5326         outSISIDXREG(SISCR, 0x99, (v1 >> 4) & 0x07);
5327         orSISIDXREG(SISCR, 0x40, v1 & 0x80);
5328         outSISIDXREG(SISCR, 0x41, v2);
5329
5330         ptr  = cs170;
5331         if(ivideo->haveXGIROM) {
5332                 ptr  = (const u8 *)&bios[0x170];
5333         }
5334         for(i = 0, j = 0; i < 7; i++, j += 8) {
5335                 outSISIDXREG(SISCR, 0x90 + i, ptr[j + regb]);
5336         }
5337
5338         outSISIDXREG(SISCR, 0x59, v3);
5339
5340         ptr  = cs1a8;
5341         if(ivideo->haveXGIROM) {
5342                 ptr  = (const u8 *)&bios[0x1a8];
5343         }
5344         for(i = 0, j = 0; i < 3; i++, j += 8) {
5345                 outSISIDXREG(SISCR, 0xc3 + i, ptr[j + regb]);
5346         }
5347
5348         ptr  = cs100;
5349         if(ivideo->haveXGIROM) {
5350                 ptr  = (const u8 *)&bios[0x100];
5351         }
5352         for(i = 0, j = 0; i < 2; i++, j += 8) {
5353                 outSISIDXREG(SISCR, 0x8a + i, ptr[j + regb]);
5354         }
5355
5356         outSISIDXREG(SISCR, 0xcf, v4);
5357
5358         outSISIDXREG(SISCR, 0x83, 0x09);
5359         outSISIDXREG(SISCR, 0x87, 0x00);
5360
5361         if(ivideo->chip == XGI_40) {
5362                 if( (ivideo->revision_id == 1) ||
5363                     (ivideo->revision_id == 2) ) {
5364                         outSISIDXREG(SISCR, 0x8c, 0x87);
5365                 }
5366         }
5367
5368         outSISIDXREG(SISSR, 0x17, 0x00);
5369         outSISIDXREG(SISSR, 0x1a, 0x87);
5370
5371         if(ivideo->chip == XGI_20) {
5372                 outSISIDXREG(SISSR, 0x15, 0x00);
5373                 outSISIDXREG(SISSR, 0x1c, 0x00);
5374         }
5375
5376         ramtype = 0x00; v1 = 0x10;
5377         if(ivideo->haveXGIROM) {
5378                 ramtype = bios[0x62];
5379                 v1 = bios[0x1d2];
5380         }
5381         if(!(ramtype & 0x80)) {
5382                 if(ivideo->chip == XGI_20) {
5383                         outSISIDXREG(SISCR, 0x97, v1);
5384                         inSISIDXREG(SISCR, 0x97, reg);
5385                         if(reg & 0x10) {
5386                                 ramtype = (reg & 0x01) << 1;
5387                         }
5388                 } else {
5389                         inSISIDXREG(SISSR, 0x39, reg);
5390                         ramtype = reg & 0x02;
5391                         if(!(ramtype)) {
5392                                 inSISIDXREG(SISSR, 0x3a, reg);
5393                                 ramtype = (reg >> 1) & 0x01;
5394                         }
5395                 }
5396         }
5397         ramtype &= 0x07;
5398
5399         regb = 0;       /* ! */
5400
5401         switch(ramtype) {
5402         case 0:
5403                 sisfb_post_xgi_setclocks(ivideo, regb);
5404                 if((ivideo->chip == XGI_20) ||
5405                    (ivideo->revision_id == 1)   ||
5406                    (ivideo->revision_id == 2)) {
5407                         v1 = cs158[regb]; v2 = cs160[regb]; v3 = cs168[regb];
5408                         if(ivideo->haveXGIROM) {
5409                                 v1 = bios[regb + 0x158];
5410                                 v2 = bios[regb + 0x160];
5411                                 v3 = bios[regb + 0x168];
5412                         }
5413                         outSISIDXREG(SISCR, 0x82, v1);
5414                         outSISIDXREG(SISCR, 0x85, v2);
5415                         outSISIDXREG(SISCR, 0x86, v3);
5416                 } else {
5417                         outSISIDXREG(SISCR, 0x82, 0x88);
5418                         outSISIDXREG(SISCR, 0x86, 0x00);
5419                         inSISIDXREG(SISCR, 0x86, reg);
5420                         outSISIDXREG(SISCR, 0x86, 0x88);
5421                         inSISIDXREG(SISCR, 0x86, reg);
5422                         outSISIDXREG(SISCR, 0x86, bios[regb + 0x168]);
5423                         outSISIDXREG(SISCR, 0x82, 0x77);
5424                         outSISIDXREG(SISCR, 0x85, 0x00);
5425                         inSISIDXREG(SISCR, 0x85, reg);
5426                         outSISIDXREG(SISCR, 0x85, 0x88);
5427                         inSISIDXREG(SISCR, 0x85, reg);
5428                         outSISIDXREG(SISCR, 0x85, bios[regb + 0x160]);
5429                         outSISIDXREG(SISCR, 0x82, bios[regb + 0x158]);
5430                 }
5431                 if(ivideo->chip == XGI_40) {
5432                         outSISIDXREG(SISCR, 0x97, 0x00);
5433                 }
5434                 outSISIDXREG(SISCR, 0x98, 0x01);
5435                 outSISIDXREG(SISCR, 0x9a, 0x02);
5436
5437                 outSISIDXREG(SISSR, 0x18, 0x01);
5438                 if((ivideo->chip == XGI_20) ||
5439                    (ivideo->revision_id == 2)) {
5440                         outSISIDXREG(SISSR, 0x19, 0x40);
5441                 } else {
5442                         outSISIDXREG(SISSR, 0x19, 0x20);
5443                 }
5444                 outSISIDXREG(SISSR, 0x16, 0x00);
5445                 outSISIDXREG(SISSR, 0x16, 0x80);
5446                 if((ivideo->chip == XGI_20) || (bios[0x1cb] != 0x0c)) {
5447                         sisfb_post_xgi_delay(ivideo, 0x43);
5448                         sisfb_post_xgi_delay(ivideo, 0x43);
5449                         sisfb_post_xgi_delay(ivideo, 0x43);
5450                         outSISIDXREG(SISSR, 0x18, 0x00);
5451                         if((ivideo->chip == XGI_20) ||
5452                            (ivideo->revision_id == 2)) {
5453                                 outSISIDXREG(SISSR, 0x19, 0x40);
5454                         } else {
5455                                 outSISIDXREG(SISSR, 0x19, 0x20);
5456                         }
5457                 } else if((ivideo->chip == XGI_40) && (bios[0x1cb] == 0x0c)) {
5458                         /* outSISIDXREG(SISSR, 0x16, 0x0c); */ /* ? */
5459                 }
5460                 outSISIDXREG(SISSR, 0x16, 0x00);
5461                 outSISIDXREG(SISSR, 0x16, 0x80);
5462                 sisfb_post_xgi_delay(ivideo, 4);
5463                 v1 = 0x31; v2 = 0x03; v3 = 0x83; v4 = 0x03; v5 = 0x83;
5464                 if(ivideo->haveXGIROM) {
5465                         v1 = bios[0xf0];
5466                         index = (ivideo->chip == XGI_20) ? 0x4b2 : 0x53e;
5467                         v2 = bios[index];
5468                         v3 = bios[index + 1];
5469                         v4 = bios[index + 2];
5470                         v5 = bios[index + 3];
5471                 }
5472                 outSISIDXREG(SISSR, 0x18, v1);
5473                 outSISIDXREG(SISSR, 0x19, ((ivideo->chip == XGI_20) ? 0x02 : 0x01));
5474                 outSISIDXREG(SISSR, 0x16, v2);
5475                 outSISIDXREG(SISSR, 0x16, v3);
5476                 sisfb_post_xgi_delay(ivideo, 0x43);
5477                 outSISIDXREG(SISSR, 0x1b, 0x03);
5478                 sisfb_post_xgi_delay(ivideo, 0x22);
5479                 outSISIDXREG(SISSR, 0x18, v1);
5480                 outSISIDXREG(SISSR, 0x19, 0x00);
5481                 outSISIDXREG(SISSR, 0x16, v4);
5482                 outSISIDXREG(SISSR, 0x16, v5);
5483                 outSISIDXREG(SISSR, 0x1b, 0x00);
5484                 break;
5485         case 1:
5486                 outSISIDXREG(SISCR, 0x82, 0x77);
5487                 outSISIDXREG(SISCR, 0x86, 0x00);
5488                 inSISIDXREG(SISCR, 0x86, reg);
5489                 outSISIDXREG(SISCR, 0x86, 0x88);
5490                 inSISIDXREG(SISCR, 0x86, reg);
5491                 v1 = cs168[regb]; v2 = cs160[regb]; v3 = cs158[regb];
5492                 if(ivideo->haveXGIROM) {
5493                         v1 = bios[regb + 0x168];
5494                         v2 = bios[regb + 0x160];
5495                         v3 = bios[regb + 0x158];
5496                 }
5497                 outSISIDXREG(SISCR, 0x86, v1);
5498                 outSISIDXREG(SISCR, 0x82, 0x77);
5499                 outSISIDXREG(SISCR, 0x85, 0x00);
5500                 inSISIDXREG(SISCR, 0x85, reg);
5501                 outSISIDXREG(SISCR, 0x85, 0x88);
5502                 inSISIDXREG(SISCR, 0x85, reg);
5503                 outSISIDXREG(SISCR, 0x85, v2);
5504                 outSISIDXREG(SISCR, 0x82, v3);
5505                 outSISIDXREG(SISCR, 0x98, 0x01);
5506                 outSISIDXREG(SISCR, 0x9a, 0x02);
5507
5508                 outSISIDXREG(SISSR, 0x28, 0x64);
5509                 outSISIDXREG(SISSR, 0x29, 0x63);
5510                 sisfb_post_xgi_delay(ivideo, 15);
5511                 outSISIDXREG(SISSR, 0x18, 0x00);
5512                 outSISIDXREG(SISSR, 0x19, 0x20);
5513                 outSISIDXREG(SISSR, 0x16, 0x00);
5514                 outSISIDXREG(SISSR, 0x16, 0x80);
5515                 outSISIDXREG(SISSR, 0x18, 0xc5);
5516                 outSISIDXREG(SISSR, 0x19, 0x23);
5517                 outSISIDXREG(SISSR, 0x16, 0x00);
5518                 outSISIDXREG(SISSR, 0x16, 0x80);
5519                 sisfb_post_xgi_delay(ivideo, 1);
5520                 outSISIDXREG(SISCR, 0x97,0x11);
5521                 sisfb_post_xgi_setclocks(ivideo, regb);
5522                 sisfb_post_xgi_delay(ivideo, 0x46);
5523                 outSISIDXREG(SISSR, 0x18, 0xc5);
5524                 outSISIDXREG(SISSR, 0x19, 0x23);
5525                 outSISIDXREG(SISSR, 0x16, 0x00);
5526                 outSISIDXREG(SISSR, 0x16, 0x80);
5527                 sisfb_post_xgi_delay(ivideo, 1);
5528                 outSISIDXREG(SISSR, 0x1b, 0x04);
5529                 sisfb_post_xgi_delay(ivideo, 1);
5530                 outSISIDXREG(SISSR, 0x1b, 0x00);
5531                 sisfb_post_xgi_delay(ivideo, 1);
5532                 v1 = 0x31;
5533                 if(ivideo->haveXGIROM) {
5534                         v1 = bios[0xf0];
5535                 }
5536                 outSISIDXREG(SISSR, 0x18, v1);
5537                 outSISIDXREG(SISSR, 0x19, 0x06);
5538                 outSISIDXREG(SISSR, 0x16, 0x04);
5539                 outSISIDXREG(SISSR, 0x16, 0x84);
5540                 sisfb_post_xgi_delay(ivideo, 1);
5541                 break;
5542         default:
5543                 sisfb_post_xgi_setclocks(ivideo, regb);
5544                 if((ivideo->chip == XGI_40) &&
5545                    ((ivideo->revision_id == 1) ||
5546                     (ivideo->revision_id == 2))) {
5547                         outSISIDXREG(SISCR, 0x82, bios[regb + 0x158]);
5548                         outSISIDXREG(SISCR, 0x85, bios[regb + 0x160]);
5549                         outSISIDXREG(SISCR, 0x86, bios[regb + 0x168]);
5550                 } else {
5551                         outSISIDXREG(SISCR, 0x82, 0x88);
5552                         outSISIDXREG(SISCR, 0x86, 0x00);
5553                         inSISIDXREG(SISCR, 0x86, reg);
5554                         outSISIDXREG(SISCR, 0x86, 0x88);
5555                         outSISIDXREG(SISCR, 0x82, 0x77);
5556                         outSISIDXREG(SISCR, 0x85, 0x00);
5557                         inSISIDXREG(SISCR, 0x85, reg);
5558                         outSISIDXREG(SISCR, 0x85, 0x88);
5559                         inSISIDXREG(SISCR, 0x85, reg);
5560                         v1 = cs160[regb]; v2 = cs158[regb];
5561                         if(ivideo->haveXGIROM) {
5562                                 v1 = bios[regb + 0x160];
5563                                 v2 = bios[regb + 0x158];
5564                         }
5565                         outSISIDXREG(SISCR, 0x85, v1);
5566                         outSISIDXREG(SISCR, 0x82, v2);
5567                 }
5568                 if(ivideo->chip == XGI_40) {
5569                         outSISIDXREG(SISCR, 0x97, 0x11);
5570                 }
5571                 if((ivideo->chip == XGI_40) && (ivideo->revision_id == 2)) {
5572                         outSISIDXREG(SISCR, 0x98, 0x01);
5573                 } else {
5574                         outSISIDXREG(SISCR, 0x98, 0x03);
5575                 }
5576                 outSISIDXREG(SISCR, 0x9a, 0x02);
5577
5578                 if(ivideo->chip == XGI_40) {
5579                         outSISIDXREG(SISSR, 0x18, 0x01);
5580                 } else {
5581                         outSISIDXREG(SISSR, 0x18, 0x00);
5582                 }
5583                 outSISIDXREG(SISSR, 0x19, 0x40);
5584                 outSISIDXREG(SISSR, 0x16, 0x00);
5585                 outSISIDXREG(SISSR, 0x16, 0x80);
5586                 if((ivideo->chip == XGI_40) && (bios[0x1cb] != 0x0c)) {
5587                         sisfb_post_xgi_delay(ivideo, 0x43);
5588                         sisfb_post_xgi_delay(ivideo, 0x43);
5589                         sisfb_post_xgi_delay(ivideo, 0x43);
5590                         outSISIDXREG(SISSR, 0x18, 0x00);
5591                         outSISIDXREG(SISSR, 0x19, 0x40);
5592                         outSISIDXREG(SISSR, 0x16, 0x00);
5593                         outSISIDXREG(SISSR, 0x16, 0x80);
5594                 }
5595                 sisfb_post_xgi_delay(ivideo, 4);
5596                 v1 = 0x31;
5597                 if(ivideo->haveXGIROM) {
5598                         v1 = bios[0xf0];
5599                 }
5600                 outSISIDXREG(SISSR, 0x18, v1);
5601                 outSISIDXREG(SISSR, 0x19, 0x01);
5602                 if(ivideo->chip == XGI_40) {
5603                         outSISIDXREG(SISSR, 0x16, bios[0x53e]);
5604                         outSISIDXREG(SISSR, 0x16, bios[0x53f]);
5605                 } else {
5606                         outSISIDXREG(SISSR, 0x16, 0x05);
5607                         outSISIDXREG(SISSR, 0x16, 0x85);
5608                 }
5609                 sisfb_post_xgi_delay(ivideo, 0x43);
5610                 if(ivideo->chip == XGI_40) {
5611                         outSISIDXREG(SISSR, 0x1b, 0x01);
5612                 } else {
5613                         outSISIDXREG(SISSR, 0x1b, 0x03);
5614                 }
5615                 sisfb_post_xgi_delay(ivideo, 0x22);
5616                 outSISIDXREG(SISSR, 0x18, v1);
5617                 outSISIDXREG(SISSR, 0x19, 0x00);
5618                 if(ivideo->chip == XGI_40) {
5619                         outSISIDXREG(SISSR, 0x16, bios[0x540]);
5620                         outSISIDXREG(SISSR, 0x16, bios[0x541]);
5621                 } else {
5622                         outSISIDXREG(SISSR, 0x16, 0x05);
5623                         outSISIDXREG(SISSR, 0x16, 0x85);
5624                 }
5625                 outSISIDXREG(SISSR, 0x1b, 0x00);
5626         }
5627
5628         regb = 0;       /* ! */
5629         v1 = 0x03;
5630         if(ivideo->haveXGIROM) {
5631                 v1 = bios[0x110 + regb];
5632         }
5633         outSISIDXREG(SISSR, 0x1b, v1);
5634
5635         /* RAM size */
5636         v1 = 0x00; v2 = 0x00;
5637         if(ivideo->haveXGIROM) {
5638                 v1 = bios[0x62];
5639                 v2 = bios[0x63];
5640         }
5641         regb = 0;       /* ! */
5642         regd = 1 << regb;
5643         if((v1 & 0x40) && (v2 & regd) && ivideo->haveXGIROM) {
5644
5645                 outSISIDXREG(SISSR, 0x13, bios[regb + 0xe0]);
5646                 outSISIDXREG(SISSR, 0x14, bios[regb + 0xe0 + 8]);
5647
5648         } else {
5649
5650                 /* Set default mode, don't clear screen */
5651                 ivideo->SiS_Pr.SiS_UseOEM = false;
5652                 SiS_SetEnableDstn(&ivideo->SiS_Pr, false);
5653                 SiS_SetEnableFstn(&ivideo->SiS_Pr, false);
5654                 ivideo->curFSTN = ivideo->curDSTN = 0;
5655                 ivideo->SiS_Pr.VideoMemorySize = 8 << 20;
5656                 SiSSetMode(&ivideo->SiS_Pr, 0x2e | 0x80);
5657
5658                 outSISIDXREG(SISSR, 0x05, 0x86);
5659
5660                 /* Disable read-cache */
5661                 andSISIDXREG(SISSR, 0x21, 0xdf);
5662                 sisfb_post_xgi_ramsize(ivideo);
5663                 /* Enable read-cache */
5664                 orSISIDXREG(SISSR, 0x21, 0x20);
5665
5666         }
5667
5668 #if 0
5669         printk(KERN_DEBUG "-----------------\n");
5670         for(i = 0; i < 0xff; i++) {
5671                 inSISIDXREG(SISCR, i, reg);
5672                 printk(KERN_DEBUG "CR%02x(%x) = 0x%02x\n", i, SISCR, reg);
5673         }
5674         for(i = 0; i < 0x40; i++) {
5675                 inSISIDXREG(SISSR, i, reg);
5676                 printk(KERN_DEBUG "SR%02x(%x) = 0x%02x\n", i, SISSR, reg);
5677         }
5678         printk(KERN_DEBUG "-----------------\n");
5679 #endif
5680
5681         /* Sense CRT1 */
5682         if(ivideo->chip == XGI_20) {
5683                 orSISIDXREG(SISCR, 0x32, 0x20);
5684         } else {
5685                 inSISIDXREG(SISPART4, 0x00, reg);
5686                 if((reg == 1) || (reg == 2)) {
5687                         sisfb_sense_crt1(ivideo);
5688                 } else {
5689                         orSISIDXREG(SISCR, 0x32, 0x20);
5690                 }
5691         }
5692
5693         /* Set default mode, don't clear screen */
5694         ivideo->SiS_Pr.SiS_UseOEM = false;
5695         SiS_SetEnableDstn(&ivideo->SiS_Pr, false);
5696         SiS_SetEnableFstn(&ivideo->SiS_Pr, false);
5697         ivideo->curFSTN = ivideo->curDSTN = 0;
5698         SiSSetMode(&ivideo->SiS_Pr, 0x2e | 0x80);
5699
5700         outSISIDXREG(SISSR, 0x05, 0x86);
5701
5702         /* Display off */
5703         orSISIDXREG(SISSR, 0x01, 0x20);
5704
5705         /* Save mode number in CR34 */
5706         outSISIDXREG(SISCR, 0x34, 0x2e);
5707
5708         /* Let everyone know what the current mode is */
5709         ivideo->modeprechange = 0x2e;
5710
5711         if(ivideo->chip == XGI_40) {
5712                 inSISIDXREG(SISCR, 0xca, reg);
5713                 inSISIDXREG(SISCR, 0xcc, v1);
5714                 if((reg & 0x10) && (!(v1 & 0x04))) {
5715                         printk(KERN_ERR
5716                                 "sisfb: Please connect power to the card.\n");
5717                         return 0;
5718                 }
5719         }
5720
5721         return 1;
5722 }
5723 #endif
5724
5725 static int __devinit
5726 sisfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
5727 {
5728         struct sisfb_chip_info  *chipinfo = &sisfb_chip_info[ent->driver_data];
5729         struct sis_video_info   *ivideo = NULL;
5730         struct fb_info          *sis_fb_info = NULL;
5731         u16 reg16;
5732         u8  reg;
5733         int i, ret;
5734
5735         if(sisfb_off)
5736                 return -ENXIO;
5737
5738         sis_fb_info = framebuffer_alloc(sizeof(*ivideo), &pdev->dev);
5739         if(!sis_fb_info)
5740                 return -ENOMEM;
5741
5742         ivideo = (struct sis_video_info *)sis_fb_info->par;
5743         ivideo->memyselfandi = sis_fb_info;
5744
5745         ivideo->sisfb_id = SISFB_ID;
5746
5747         if(card_list == NULL) {
5748                 ivideo->cardnumber = 0;
5749         } else {
5750                 struct sis_video_info *countvideo = card_list;
5751                 ivideo->cardnumber = 1;
5752                 while((countvideo = countvideo->next) != NULL)
5753                         ivideo->cardnumber++;
5754         }
5755
5756         strncpy(ivideo->myid, chipinfo->chip_name, 30);
5757
5758         ivideo->warncount = 0;
5759         ivideo->chip_id = pdev->device;
5760         ivideo->chip_vendor = pdev->vendor;
5761         ivideo->revision_id = pdev->revision;
5762         ivideo->SiS_Pr.ChipRevision = ivideo->revision_id;
5763         pci_read_config_word(pdev, PCI_COMMAND, &reg16);
5764         ivideo->sisvga_enabled = reg16 & 0x01;
5765         ivideo->pcibus = pdev->bus->number;
5766         ivideo->pcislot = PCI_SLOT(pdev->devfn);
5767         ivideo->pcifunc = PCI_FUNC(pdev->devfn);
5768         ivideo->subsysvendor = pdev->subsystem_vendor;
5769         ivideo->subsysdevice = pdev->subsystem_device;
5770
5771 #ifndef MODULE
5772         if(sisfb_mode_idx == -1) {
5773                 sisfb_get_vga_mode_from_kernel();
5774         }
5775 #endif
5776
5777         ivideo->chip = chipinfo->chip;
5778         ivideo->sisvga_engine = chipinfo->vgaengine;
5779         ivideo->hwcursor_size = chipinfo->hwcursor_size;
5780         ivideo->CRT2_write_enable = chipinfo->CRT2_write_enable;
5781         ivideo->mni = chipinfo->mni;
5782
5783         ivideo->detectedpdc  = 0xff;
5784         ivideo->detectedpdca = 0xff;
5785         ivideo->detectedlcda = 0xff;
5786
5787         ivideo->sisfb_thismonitor.datavalid = false;
5788
5789         ivideo->current_base = 0;
5790
5791         ivideo->engineok = 0;
5792
5793         ivideo->sisfb_was_boot_device = 0;
5794
5795         if(pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW) {
5796                 if(ivideo->sisvga_enabled)
5797                         ivideo->sisfb_was_boot_device = 1;
5798                 else {
5799                         printk(KERN_DEBUG "sisfb: PCI device is disabled, "
5800                                 "but marked as boot video device ???\n");
5801                         printk(KERN_DEBUG "sisfb: I will not accept this "
5802                                 "as the primary VGA device\n");
5803                 }
5804         }
5805
5806         ivideo->sisfb_parm_mem = sisfb_parm_mem;
5807         ivideo->sisfb_accel = sisfb_accel;
5808         ivideo->sisfb_ypan = sisfb_ypan;
5809         ivideo->sisfb_max = sisfb_max;
5810         ivideo->sisfb_userom = sisfb_userom;
5811         ivideo->sisfb_useoem = sisfb_useoem;
5812         ivideo->sisfb_mode_idx = sisfb_mode_idx;
5813         ivideo->sisfb_parm_rate = sisfb_parm_rate;
5814         ivideo->sisfb_crt1off = sisfb_crt1off;
5815         ivideo->sisfb_forcecrt1 = sisfb_forcecrt1;
5816         ivideo->sisfb_crt2type = sisfb_crt2type;
5817         ivideo->sisfb_crt2flags = sisfb_crt2flags;
5818         /* pdc(a), scalelcd, special timing, lvdshl handled below */
5819         ivideo->sisfb_dstn = sisfb_dstn;
5820         ivideo->sisfb_fstn = sisfb_fstn;
5821         ivideo->sisfb_tvplug = sisfb_tvplug;
5822         ivideo->sisfb_tvstd = sisfb_tvstd;
5823         ivideo->tvxpos = sisfb_tvxposoffset;
5824         ivideo->tvypos = sisfb_tvyposoffset;
5825         ivideo->sisfb_nocrt2rate = sisfb_nocrt2rate;
5826         ivideo->refresh_rate = 0;
5827         if(ivideo->sisfb_parm_rate != -1) {
5828                 ivideo->refresh_rate = ivideo->sisfb_parm_rate;
5829         }
5830
5831         ivideo->SiS_Pr.UsePanelScaler = sisfb_scalelcd;
5832         ivideo->SiS_Pr.CenterScreen = -1;
5833         ivideo->SiS_Pr.SiS_CustomT = sisfb_specialtiming;
5834         ivideo->SiS_Pr.LVDSHL = sisfb_lvdshl;
5835
5836         ivideo->SiS_Pr.SiS_Backup70xx = 0xff;
5837         ivideo->SiS_Pr.SiS_CHOverScan = -1;
5838         ivideo->SiS_Pr.SiS_ChSW = false;
5839         ivideo->SiS_Pr.SiS_UseLCDA = false;
5840         ivideo->SiS_Pr.HaveEMI = false;
5841         ivideo->SiS_Pr.HaveEMILCD = false;
5842         ivideo->SiS_Pr.OverruleEMI = false;
5843         ivideo->SiS_Pr.SiS_SensibleSR11 = false;
5844         ivideo->SiS_Pr.SiS_MyCR63 = 0x63;
5845         ivideo->SiS_Pr.PDC  = -1;
5846         ivideo->SiS_Pr.PDCA = -1;
5847         ivideo->SiS_Pr.DDCPortMixup = false;
5848 #ifdef CONFIG_FB_SIS_315
5849         if(ivideo->chip >= SIS_330) {
5850                 ivideo->SiS_Pr.SiS_MyCR63 = 0x53;
5851                 if(ivideo->chip >= SIS_661) {
5852                         ivideo->SiS_Pr.SiS_SensibleSR11 = true;
5853                 }
5854         }
5855 #endif
5856
5857         memcpy(&ivideo->default_var, &my_default_var, sizeof(my_default_var));
5858
5859         pci_set_drvdata(pdev, ivideo);
5860
5861         /* Patch special cases */
5862         if((ivideo->nbridge = sisfb_get_northbridge(ivideo->chip))) {
5863                 switch(ivideo->nbridge->device) {
5864 #ifdef CONFIG_FB_SIS_300
5865                 case PCI_DEVICE_ID_SI_730:
5866                         ivideo->chip = SIS_730;
5867                         strcpy(ivideo->myid, "SiS 730");
5868                         break;
5869 #endif
5870 #ifdef CONFIG_FB_SIS_315
5871                 case PCI_DEVICE_ID_SI_651:
5872                         /* ivideo->chip is ok */
5873                         strcpy(ivideo->myid, "SiS 651");
5874                         break;
5875                 case PCI_DEVICE_ID_SI_740:
5876                         ivideo->chip = SIS_740;
5877                         strcpy(ivideo->myid, "SiS 740");
5878                         break;
5879                 case PCI_DEVICE_ID_SI_661:
5880                         ivideo->chip = SIS_661;
5881                         strcpy(ivideo->myid, "SiS 661");
5882                         break;
5883                 case PCI_DEVICE_ID_SI_741:
5884                         ivideo->chip = SIS_741;
5885                         strcpy(ivideo->myid, "SiS 741");
5886                         break;
5887                 case PCI_DEVICE_ID_SI_760:
5888                         ivideo->chip = SIS_760;
5889                         strcpy(ivideo->myid, "SiS 760");
5890                         break;
5891                 case PCI_DEVICE_ID_SI_761:
5892                         ivideo->chip = SIS_761;
5893                         strcpy(ivideo->myid, "SiS 761");
5894                         break;
5895 #endif
5896                 default:
5897                         break;
5898                 }
5899         }
5900
5901         ivideo->SiS_Pr.ChipType = ivideo->chip;
5902
5903         ivideo->SiS_Pr.ivideo = (void *)ivideo;
5904
5905 #ifdef CONFIG_FB_SIS_315
5906         if((ivideo->SiS_Pr.ChipType == SIS_315PRO) ||
5907            (ivideo->SiS_Pr.ChipType == SIS_315)) {
5908                 ivideo->SiS_Pr.ChipType = SIS_315H;
5909         }
5910 #endif
5911
5912         if(!ivideo->sisvga_enabled) {
5913                 if(pci_enable_device(pdev)) {
5914                         if(ivideo->nbridge) pci_dev_put(ivideo->nbridge);
5915                         pci_set_drvdata(pdev, NULL);
5916                         framebuffer_release(sis_fb_info);
5917                         return -EIO;
5918                 }
5919         }
5920
5921         ivideo->video_base = pci_resource_start(pdev, 0);
5922         ivideo->video_size = pci_resource_len(pdev, 0);
5923         ivideo->mmio_base  = pci_resource_start(pdev, 1);
5924         ivideo->mmio_size  = pci_resource_len(pdev, 1);
5925         ivideo->SiS_Pr.RelIO = pci_resource_start(pdev, 2) + 0x30;
5926         ivideo->SiS_Pr.IOAddress = ivideo->vga_base = ivideo->SiS_Pr.RelIO;
5927
5928         SiSRegInit(&ivideo->SiS_Pr, ivideo->SiS_Pr.IOAddress);
5929
5930 #ifdef CONFIG_FB_SIS_300
5931         /* Find PCI systems for Chrontel/GPIO communication setup */
5932         if(ivideo->chip == SIS_630) {
5933                 i = 0;
5934                 do {
5935                         if(mychswtable[i].subsysVendor == ivideo->subsysvendor &&
5936                            mychswtable[i].subsysCard   == ivideo->subsysdevice) {
5937                                 ivideo->SiS_Pr.SiS_ChSW = true;
5938                                 printk(KERN_DEBUG "sisfb: Identified [%s %s] "
5939                                         "requiring Chrontel/GPIO setup\n",
5940                                         mychswtable[i].vendorName,
5941                                         mychswtable[i].cardName);
5942                                 ivideo->lpcdev = pci_get_device(PCI_VENDOR_ID_SI, 0x0008, NULL);
5943                                 break;
5944                         }
5945                         i++;
5946                 } while(mychswtable[i].subsysVendor != 0);
5947         }
5948 #endif
5949
5950 #ifdef CONFIG_FB_SIS_315
5951         if((ivideo->chip == SIS_760) && (ivideo->nbridge)) {
5952                 ivideo->lpcdev = pci_get_slot(ivideo->nbridge->bus, (2 << 3));
5953         }
5954 #endif
5955
5956         outSISIDXREG(SISSR, 0x05, 0x86);
5957
5958         if( (!ivideo->sisvga_enabled)
5959 #if !defined(__i386__) && !defined(__x86_64__)
5960                               || (sisfb_resetcard)
5961 #endif
5962                                                    ) {
5963                 for(i = 0x30; i <= 0x3f; i++) {
5964                         outSISIDXREG(SISCR, i, 0x00);
5965                 }
5966         }
5967
5968         /* Find out about current video mode */
5969         ivideo->modeprechange = 0x03;
5970         inSISIDXREG(SISCR, 0x34, reg);
5971         if(reg & 0x7f) {
5972                 ivideo->modeprechange = reg & 0x7f;
5973         } else if(ivideo->sisvga_enabled) {
5974 #if defined(__i386__) || defined(__x86_64__)
5975                 unsigned char __iomem *tt = ioremap(0x400, 0x100);
5976                 if(tt) {
5977                         ivideo->modeprechange = readb(tt + 0x49);
5978                         iounmap(tt);
5979                 }
5980 #endif
5981         }
5982
5983         /* Search and copy ROM image */
5984         ivideo->bios_abase = NULL;
5985         ivideo->SiS_Pr.VirtualRomBase = NULL;
5986         ivideo->SiS_Pr.UseROM = false;
5987         ivideo->haveXGIROM = ivideo->SiS_Pr.SiS_XGIROM = false;
5988         if(ivideo->sisfb_userom) {
5989                 ivideo->SiS_Pr.VirtualRomBase = sisfb_find_rom(pdev);
5990                 ivideo->bios_abase = ivideo->SiS_Pr.VirtualRomBase;
5991                 ivideo->SiS_Pr.UseROM = (bool)(ivideo->SiS_Pr.VirtualRomBase);
5992                 printk(KERN_INFO "sisfb: Video ROM %sfound\n",
5993                         ivideo->SiS_Pr.UseROM ? "" : "not ");
5994                 if((ivideo->SiS_Pr.UseROM) && (ivideo->chip >= XGI_20)) {
5995                    ivideo->SiS_Pr.UseROM = false;
5996                    ivideo->haveXGIROM = ivideo->SiS_Pr.SiS_XGIROM = true;
5997                    if( (ivideo->revision_id == 2) &&
5998                        (!(ivideo->bios_abase[0x1d1] & 0x01)) ) {
5999                         ivideo->SiS_Pr.DDCPortMixup = true;
6000                    }
6001                 }
6002         } else {
6003                 printk(KERN_INFO "sisfb: Video ROM usage disabled\n");
6004         }
6005
6006         /* Find systems for special custom timing */
6007         if(ivideo->SiS_Pr.SiS_CustomT == CUT_NONE) {
6008                 sisfb_detect_custom_timing(ivideo);
6009         }
6010
6011         /* POST card in case this has not been done by the BIOS */
6012         if( (!ivideo->sisvga_enabled)
6013 #if !defined(__i386__) && !defined(__x86_64__)
6014                              || (sisfb_resetcard)
6015 #endif
6016                                                  ) {
6017 #ifdef CONFIG_FB_SIS_300
6018                 if(ivideo->sisvga_engine == SIS_300_VGA) {
6019                         if(ivideo->chip == SIS_300) {
6020                                 sisfb_post_sis300(pdev);
6021                                 ivideo->sisfb_can_post = 1;
6022                         }
6023                 }
6024 #endif
6025
6026 #ifdef CONFIG_FB_SIS_315
6027                 if(ivideo->sisvga_engine == SIS_315_VGA) {
6028                         int result = 1;
6029                 /*      if((ivideo->chip == SIS_315H)   ||
6030                            (ivideo->chip == SIS_315)    ||
6031                            (ivideo->chip == SIS_315PRO) ||
6032                            (ivideo->chip == SIS_330)) {
6033                                 sisfb_post_sis315330(pdev);
6034                         } else */ if(ivideo->chip == XGI_20) {
6035                                 result = sisfb_post_xgi(pdev);
6036                                 ivideo->sisfb_can_post = 1;
6037                         } else if((ivideo->chip == XGI_40) && ivideo->haveXGIROM) {
6038                                 result = sisfb_post_xgi(pdev);
6039                                 ivideo->sisfb_can_post = 1;
6040                         } else {
6041                                 printk(KERN_INFO "sisfb: Card is not "
6042                                         "POSTed and sisfb can't do this either.\n");
6043                         }
6044                         if(!result) {
6045                                 printk(KERN_ERR "sisfb: Failed to POST card\n");
6046                                 ret = -ENODEV;
6047                                 goto error_3;
6048                         }
6049                 }
6050 #endif
6051         }
6052
6053         ivideo->sisfb_card_posted = 1;
6054
6055         /* Find out about RAM size */
6056         if(sisfb_get_dram_size(ivideo)) {
6057                 printk(KERN_INFO "sisfb: Fatal error: Unable to determine VRAM size.\n");
6058                 ret = -ENODEV;
6059                 goto error_3;
6060         }
6061
6062
6063         /* Enable PCI addressing and MMIO */
6064         if((ivideo->sisfb_mode_idx < 0) ||
6065            ((sisbios_mode[ivideo->sisfb_mode_idx].mode_no[ivideo->mni]) != 0xFF)) {
6066                 /* Enable PCI_LINEAR_ADDRESSING and MMIO_ENABLE  */
6067                 orSISIDXREG(SISSR, IND_SIS_PCI_ADDRESS_SET, (SIS_PCI_ADDR_ENABLE | SIS_MEM_MAP_IO_ENABLE));
6068                 /* Enable 2D accelerator engine */
6069                 orSISIDXREG(SISSR, IND_SIS_MODULE_ENABLE, SIS_ENABLE_2D);
6070         }
6071
6072         if(sisfb_pdc != 0xff) {
6073                 if(ivideo->sisvga_engine == SIS_300_VGA)
6074                         sisfb_pdc &= 0x3c;
6075                 else
6076                         sisfb_pdc &= 0x1f;
6077                 ivideo->SiS_Pr.PDC = sisfb_pdc;
6078         }
6079 #ifdef CONFIG_FB_SIS_315
6080         if(ivideo->sisvga_engine == SIS_315_VGA) {
6081                 if(sisfb_pdca != 0xff)
6082                         ivideo->SiS_Pr.PDCA = sisfb_pdca & 0x1f;
6083         }
6084 #endif
6085
6086         if(!request_mem_region(ivideo->video_base, ivideo->video_size, "sisfb FB")) {
6087                 printk(KERN_ERR "sisfb: Fatal error: Unable to reserve %dMB framebuffer memory\n",
6088                                 (int)(ivideo->video_size >> 20));
6089                 printk(KERN_ERR "sisfb: Is there another framebuffer driver active?\n");
6090                 ret = -ENODEV;
6091                 goto error_3;
6092         }
6093
6094         if(!request_mem_region(ivideo->mmio_base, ivideo->mmio_size, "sisfb MMIO")) {
6095                 printk(KERN_ERR "sisfb: Fatal error: Unable to reserve MMIO region\n");
6096                 ret = -ENODEV;
6097                 goto error_2;
6098         }
6099
6100         ivideo->video_vbase = ioremap(ivideo->video_base, ivideo->video_size);
6101         ivideo->SiS_Pr.VideoMemoryAddress = ivideo->video_vbase;
6102         if(!ivideo->video_vbase) {
6103                 printk(KERN_ERR "sisfb: Fatal error: Unable to map framebuffer memory\n");
6104                 ret = -ENODEV;
6105                 goto error_1;
6106         }
6107
6108         ivideo->mmio_vbase = ioremap(ivideo->mmio_base, ivideo->mmio_size);
6109         if(!ivideo->mmio_vbase) {
6110                 printk(KERN_ERR "sisfb: Fatal error: Unable to map MMIO region\n");
6111                 ret = -ENODEV;
6112 error_0:        iounmap(ivideo->video_vbase);
6113 error_1:        release_mem_region(ivideo->video_base, ivideo->video_size);
6114 error_2:        release_mem_region(ivideo->mmio_base, ivideo->mmio_size);
6115 error_3:        vfree(ivideo->bios_abase);
6116                 if(ivideo->lpcdev)
6117                         pci_dev_put(ivideo->lpcdev);
6118                 if(ivideo->nbridge)
6119                         pci_dev_put(ivideo->nbridge);
6120                 pci_set_drvdata(pdev, NULL);
6121                 if(!ivideo->sisvga_enabled)
6122                         pci_disable_device(pdev);
6123                 framebuffer_release(sis_fb_info);
6124                 return ret;
6125         }
6126
6127         printk(KERN_INFO "sisfb: Video RAM at 0x%lx, mapped to 0x%lx, size %ldk\n",
6128                 ivideo->video_base, (unsigned long)ivideo->video_vbase, ivideo->video_size / 1024);
6129
6130         if(ivideo->video_offset) {
6131                 printk(KERN_INFO "sisfb: Viewport offset %ldk\n",
6132                         ivideo->video_offset / 1024);
6133         }
6134
6135         printk(KERN_INFO "sisfb: MMIO at 0x%lx, mapped to 0x%lx, size %ldk\n",
6136                 ivideo->mmio_base, (unsigned long)ivideo->mmio_vbase, ivideo->mmio_size / 1024);
6137
6138
6139         /* Determine the size of the command queue */
6140         if(ivideo->sisvga_engine == SIS_300_VGA) {
6141                 ivideo->cmdQueueSize = TURBO_QUEUE_AREA_SIZE;
6142         } else {
6143                 if(ivideo->chip == XGI_20) {
6144                         ivideo->cmdQueueSize = COMMAND_QUEUE_AREA_SIZE_Z7;
6145                 } else {
6146                         ivideo->cmdQueueSize = COMMAND_QUEUE_AREA_SIZE;
6147                 }
6148         }
6149
6150         /* Engines are no longer initialized here; this is
6151          * now done after the first mode-switch (if the
6152          * submitted var has its acceleration flags set).
6153          */
6154
6155         /* Calculate the base of the (unused) hw cursor */
6156         ivideo->hwcursor_vbase = ivideo->video_vbase
6157                                  + ivideo->video_size
6158                                  - ivideo->cmdQueueSize
6159                                  - ivideo->hwcursor_size;
6160         ivideo->caps |= HW_CURSOR_CAP;
6161
6162         /* Initialize offscreen memory manager */
6163         if((ivideo->havenoheap = sisfb_heap_init(ivideo))) {
6164                 printk(KERN_WARNING "sisfb: Failed to initialize offscreen memory heap\n");
6165         }
6166
6167         /* Used for clearing the screen only, therefore respect our mem limit */
6168         ivideo->SiS_Pr.VideoMemoryAddress += ivideo->video_offset;
6169         ivideo->SiS_Pr.VideoMemorySize = ivideo->sisfb_mem;
6170
6171         ivideo->mtrr = -1;
6172
6173         ivideo->vbflags = 0;
6174         ivideo->lcddefmodeidx = DEFAULT_LCDMODE;
6175         ivideo->tvdefmodeidx  = DEFAULT_TVMODE;
6176         ivideo->defmodeidx    = DEFAULT_MODE;
6177
6178         ivideo->newrom = 0;
6179         if(ivideo->chip < XGI_20) {
6180                 if(ivideo->bios_abase) {
6181                         ivideo->newrom = SiSDetermineROMLayout661(&ivideo->SiS_Pr);
6182                 }
6183         }
6184
6185         if((ivideo->sisfb_mode_idx < 0) ||
6186            ((sisbios_mode[ivideo->sisfb_mode_idx].mode_no[ivideo->mni]) != 0xFF)) {
6187
6188                 sisfb_sense_crt1(ivideo);
6189
6190                 sisfb_get_VB_type(ivideo);
6191
6192                 if(ivideo->vbflags2 & VB2_VIDEOBRIDGE) {
6193                         sisfb_detect_VB_connect(ivideo);
6194                 }
6195
6196                 ivideo->currentvbflags = ivideo->vbflags & (VB_VIDEOBRIDGE | TV_STANDARD);
6197
6198                 /* Decide on which CRT2 device to use */
6199                 if(ivideo->vbflags2 & VB2_VIDEOBRIDGE) {
6200                         if(ivideo->sisfb_crt2type != -1) {
6201                                 if((ivideo->sisfb_crt2type == CRT2_LCD) &&
6202                                    (ivideo->vbflags & CRT2_LCD)) {
6203                                         ivideo->currentvbflags |= CRT2_LCD;
6204                                 } else if(ivideo->sisfb_crt2type != CRT2_LCD) {
6205                                         ivideo->currentvbflags |= ivideo->sisfb_crt2type;
6206                                 }
6207                         } else {
6208                                 /* Chrontel 700x TV detection often unreliable, therefore
6209                                  * use a different default order on such machines
6210                                  */
6211                                 if((ivideo->sisvga_engine == SIS_300_VGA) &&
6212                                    (ivideo->vbflags2 & VB2_CHRONTEL)) {
6213                                         if(ivideo->vbflags & CRT2_LCD)
6214                                                 ivideo->currentvbflags |= CRT2_LCD;
6215                                         else if(ivideo->vbflags & CRT2_TV)
6216                                                 ivideo->currentvbflags |= CRT2_TV;
6217                                         else if(ivideo->vbflags & CRT2_VGA)
6218                                                 ivideo->currentvbflags |= CRT2_VGA;
6219                                 } else {
6220                                         if(ivideo->vbflags & CRT2_TV)
6221                                                 ivideo->currentvbflags |= CRT2_TV;
6222                                         else if(ivideo->vbflags & CRT2_LCD)
6223                                                 ivideo->currentvbflags |= CRT2_LCD;
6224                                         else if(ivideo->vbflags & CRT2_VGA)
6225                                                 ivideo->currentvbflags |= CRT2_VGA;
6226                                 }
6227                         }
6228                 }
6229
6230                 if(ivideo->vbflags & CRT2_LCD) {
6231                         sisfb_detect_lcd_type(ivideo);
6232                 }
6233
6234                 sisfb_save_pdc_emi(ivideo);
6235
6236                 if(!ivideo->sisfb_crt1off) {
6237                         sisfb_handle_ddc(ivideo, &ivideo->sisfb_thismonitor, 0);
6238                 } else {
6239                         if((ivideo->vbflags2 & VB2_SISTMDSBRIDGE) &&
6240                            (ivideo->vbflags & (CRT2_VGA | CRT2_LCD))) {
6241                                 sisfb_handle_ddc(ivideo, &ivideo->sisfb_thismonitor, 1);
6242                         }
6243                 }
6244
6245                 if(ivideo->sisfb_mode_idx >= 0) {
6246                         int bu = ivideo->sisfb_mode_idx;
6247                         ivideo->sisfb_mode_idx = sisfb_validate_mode(ivideo,
6248                                         ivideo->sisfb_mode_idx, ivideo->currentvbflags);
6249                         if(bu != ivideo->sisfb_mode_idx) {
6250                                 printk(KERN_ERR "Mode %dx%dx%d failed validation\n",
6251                                         sisbios_mode[bu].xres,
6252                                         sisbios_mode[bu].yres,
6253                                         sisbios_mode[bu].bpp);
6254                         }
6255                 }
6256
6257                 if(ivideo->sisfb_mode_idx < 0) {
6258                         switch(ivideo->currentvbflags & VB_DISPTYPE_DISP2) {
6259                            case CRT2_LCD:
6260                                 ivideo->sisfb_mode_idx = ivideo->lcddefmodeidx;
6261                                 break;
6262                            case CRT2_TV:
6263                                 ivideo->sisfb_mode_idx = ivideo->tvdefmodeidx;
6264                                 break;
6265                            default:
6266                                 ivideo->sisfb_mode_idx = ivideo->defmodeidx;
6267                                 break;
6268                         }
6269                 }
6270
6271                 ivideo->mode_no = sisbios_mode[ivideo->sisfb_mode_idx].mode_no[ivideo->mni];
6272
6273                 if(ivideo->refresh_rate != 0) {
6274                         sisfb_search_refresh_rate(ivideo, ivideo->refresh_rate,
6275                                                 ivideo->sisfb_mode_idx);
6276                 }
6277
6278                 if(ivideo->rate_idx == 0) {
6279                         ivideo->rate_idx = sisbios_mode[ivideo->sisfb_mode_idx].rate_idx;
6280                         ivideo->refresh_rate = 60;
6281                 }
6282
6283                 if(ivideo->sisfb_thismonitor.datavalid) {
6284                         if(!sisfb_verify_rate(ivideo, &ivideo->sisfb_thismonitor,
6285                                                 ivideo->sisfb_mode_idx,
6286                                                 ivideo->rate_idx,
6287                                                 ivideo->refresh_rate)) {
6288                                 printk(KERN_INFO "sisfb: WARNING: Refresh rate "
6289                                                         "exceeds monitor specs!\n");
6290                         }
6291                 }
6292
6293                 ivideo->video_bpp = sisbios_mode[ivideo->sisfb_mode_idx].bpp;
6294                 ivideo->video_width = sisbios_mode[ivideo->sisfb_mode_idx].xres;
6295                 ivideo->video_height = sisbios_mode[ivideo->sisfb_mode_idx].yres;
6296
6297                 sisfb_set_vparms(ivideo);
6298
6299                 printk(KERN_INFO "sisfb: Default mode is %dx%dx%d (%dHz)\n",
6300                         ivideo->video_width, ivideo->video_height, ivideo->video_bpp,
6301                         ivideo->refresh_rate);
6302
6303                 /* Set up the default var according to chosen default display mode */
6304                 ivideo->default_var.xres = ivideo->default_var.xres_virtual = ivideo->video_width;
6305                 ivideo->default_var.yres = ivideo->default_var.yres_virtual = ivideo->video_height;
6306                 ivideo->default_var.bits_per_pixel = ivideo->video_bpp;
6307
6308                 sisfb_bpp_to_var(ivideo, &ivideo->default_var);
6309
6310                 ivideo->default_var.pixclock = (u32) (1000000000 /
6311                         sisfb_mode_rate_to_dclock(&ivideo->SiS_Pr, ivideo->mode_no, ivideo->rate_idx));
6312
6313                 if(sisfb_mode_rate_to_ddata(&ivideo->SiS_Pr, ivideo->mode_no,
6314                                                 ivideo->rate_idx, &ivideo->default_var)) {
6315                         if((ivideo->default_var.vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) {
6316                                 ivideo->default_var.pixclock <<= 1;
6317                         }
6318                 }
6319
6320                 if(ivideo->sisfb_ypan) {
6321                         /* Maximize regardless of sisfb_max at startup */
6322                         ivideo->default_var.yres_virtual =
6323                                 sisfb_calc_maxyres(ivideo, &ivideo->default_var);
6324                         if(ivideo->default_var.yres_virtual < ivideo->default_var.yres) {
6325                                 ivideo->default_var.yres_virtual = ivideo->default_var.yres;
6326                         }
6327                 }
6328
6329                 sisfb_calc_pitch(ivideo, &ivideo->default_var);
6330
6331                 ivideo->accel = 0;
6332                 if(ivideo->sisfb_accel) {
6333                         ivideo->accel = -1;
6334 #ifdef STUPID_ACCELF_TEXT_SHIT
6335                         ivideo->default_var.accel_flags |= FB_ACCELF_TEXT;
6336 #endif
6337                 }
6338                 sisfb_initaccel(ivideo);
6339
6340 #if defined(FBINFO_HWACCEL_DISABLED) && defined(FBINFO_HWACCEL_XPAN)
6341                 sis_fb_info->flags = FBINFO_DEFAULT             |
6342                                      FBINFO_HWACCEL_YPAN        |
6343                                      FBINFO_HWACCEL_XPAN        |
6344                                      FBINFO_HWACCEL_COPYAREA    |
6345                                      FBINFO_HWACCEL_FILLRECT    |
6346                                      ((ivideo->accel) ? 0 : FBINFO_HWACCEL_DISABLED);
6347 #else
6348                 sis_fb_info->flags = FBINFO_FLAG_DEFAULT;
6349 #endif
6350                 sis_fb_info->var = ivideo->default_var;
6351                 sis_fb_info->fix = ivideo->sisfb_fix;
6352                 sis_fb_info->screen_base = ivideo->video_vbase + ivideo->video_offset;
6353                 sis_fb_info->fbops = &sisfb_ops;
6354                 sis_fb_info->pseudo_palette = ivideo->pseudo_palette;
6355
6356                 fb_alloc_cmap(&sis_fb_info->cmap, 256 , 0);
6357
6358                 printk(KERN_DEBUG "sisfb: Initial vbflags 0x%x\n", (int)ivideo->vbflags);
6359
6360 #ifdef CONFIG_MTRR
6361                 ivideo->mtrr = mtrr_add(ivideo->video_base, ivideo->video_size,
6362                                         MTRR_TYPE_WRCOMB, 1);
6363                 if(ivideo->mtrr < 0) {
6364                         printk(KERN_DEBUG "sisfb: Failed to add MTRRs\n");
6365                 }
6366 #endif
6367
6368                 if(register_framebuffer(sis_fb_info) < 0) {
6369                         printk(KERN_ERR "sisfb: Fatal error: Failed to register framebuffer\n");
6370                         ret = -EINVAL;
6371                         iounmap(ivideo->mmio_vbase);
6372                         goto error_0;
6373                 }
6374
6375                 ivideo->registered = 1;
6376
6377                 /* Enlist us */
6378                 ivideo->next = card_list;
6379                 card_list = ivideo;
6380
6381                 printk(KERN_INFO "sisfb: 2D acceleration is %s, y-panning %s\n",
6382                         ivideo->sisfb_accel ? "enabled" : "disabled",
6383                         ivideo->sisfb_ypan  ?
6384                                 (ivideo->sisfb_max ? "enabled (auto-max)" :
6385                                                 "enabled (no auto-max)") :
6386                                                                         "disabled");
6387
6388
6389                 printk(KERN_INFO "fb%d: %s frame buffer device version %d.%d.%d\n",
6390                         sis_fb_info->node, ivideo->myid, VER_MAJOR, VER_MINOR, VER_LEVEL);
6391
6392                 printk(KERN_INFO "sisfb: Copyright (C) 2001-2005 Thomas Winischhofer\n");
6393
6394         }       /* if mode = "none" */
6395
6396         return 0;
6397 }
6398
6399 /*****************************************************/
6400 /*                PCI DEVICE HANDLING                */
6401 /*****************************************************/
6402
6403 static void __devexit sisfb_remove(struct pci_dev *pdev)
6404 {
6405         struct sis_video_info   *ivideo = pci_get_drvdata(pdev);
6406         struct fb_info          *sis_fb_info = ivideo->memyselfandi;
6407         int                     registered = ivideo->registered;
6408         int                     modechanged = ivideo->modechanged;
6409
6410         /* Unmap */
6411         iounmap(ivideo->mmio_vbase);
6412         iounmap(ivideo->video_vbase);
6413
6414         /* Release mem regions */
6415         release_mem_region(ivideo->video_base, ivideo->video_size);
6416         release_mem_region(ivideo->mmio_base, ivideo->mmio_size);
6417
6418         vfree(ivideo->bios_abase);
6419
6420         if(ivideo->lpcdev)
6421                 pci_dev_put(ivideo->lpcdev);
6422
6423         if(ivideo->nbridge)
6424                 pci_dev_put(ivideo->nbridge);
6425
6426 #ifdef CONFIG_MTRR
6427         /* Release MTRR region */
6428         if(ivideo->mtrr >= 0)
6429                 mtrr_del(ivideo->mtrr, ivideo->video_base, ivideo->video_size);
6430 #endif
6431
6432         pci_set_drvdata(pdev, NULL);
6433
6434         /* If device was disabled when starting, disable
6435          * it when quitting.
6436          */
6437         if(!ivideo->sisvga_enabled)
6438                 pci_disable_device(pdev);
6439
6440         /* Unregister the framebuffer */
6441         if(ivideo->registered) {
6442                 unregister_framebuffer(sis_fb_info);
6443                 framebuffer_release(sis_fb_info);
6444         }
6445
6446         /* OK, our ivideo is gone for good from here. */
6447
6448         /* TODO: Restore the initial mode
6449          * This sounds easy but is as good as impossible
6450          * on many machines with SiS chip and video bridge
6451          * since text modes are always set up differently
6452          * from machine to machine. Depends on the type
6453          * of integration between chipset and bridge.
6454          */
6455         if(registered && modechanged)
6456                 printk(KERN_INFO
6457                         "sisfb: Restoring of text mode not supported yet\n");
6458 };
6459
6460 static struct pci_driver sisfb_driver = {
6461         .name           = "sisfb",
6462         .id_table       = sisfb_pci_table,
6463         .probe          = sisfb_probe,
6464         .remove         = __devexit_p(sisfb_remove)
6465 };
6466
6467 static int __init sisfb_init(void)
6468 {
6469 #ifndef MODULE
6470         char *options = NULL;
6471
6472         if(fb_get_options("sisfb", &options))
6473                 return -ENODEV;
6474
6475         sisfb_setup(options);
6476 #endif
6477         return pci_register_driver(&sisfb_driver);
6478 }
6479
6480 #ifndef MODULE
6481 module_init(sisfb_init);
6482 #endif
6483
6484 /*****************************************************/
6485 /*                      MODULE                       */
6486 /*****************************************************/
6487
6488 #ifdef MODULE
6489
6490 static char             *mode = NULL;
6491 static int              vesa = -1;
6492 static unsigned int     rate = 0;
6493 static unsigned int     crt1off = 1;
6494 static unsigned int     mem = 0;
6495 static char             *forcecrt2type = NULL;
6496 static int              forcecrt1 = -1;
6497 static int              pdc = -1;
6498 static int              pdc1 = -1;
6499 static int              noaccel = -1;
6500 static int              noypan  = -1;
6501 static int              nomax = -1;
6502 static int              userom = -1;
6503 static int              useoem = -1;
6504 static char             *tvstandard = NULL;
6505 static int              nocrt2rate = 0;
6506 static int              scalelcd = -1;
6507 static char             *specialtiming = NULL;
6508 static int              lvdshl = -1;
6509 static int              tvxposoffset = 0, tvyposoffset = 0;
6510 #if !defined(__i386__) && !defined(__x86_64__)
6511 static int              resetcard = 0;
6512 static int              videoram = 0;
6513 #endif
6514
6515 static int __init sisfb_init_module(void)
6516 {
6517         sisfb_setdefaultparms();
6518
6519         if(rate)
6520                 sisfb_parm_rate = rate;
6521
6522         if((scalelcd == 0) || (scalelcd == 1))
6523                 sisfb_scalelcd = scalelcd ^ 1;
6524
6525         /* Need to check crt2 type first for fstn/dstn */
6526
6527         if(forcecrt2type)
6528                 sisfb_search_crt2type(forcecrt2type);
6529
6530         if(tvstandard)
6531                 sisfb_search_tvstd(tvstandard);
6532
6533         if(mode)
6534                 sisfb_search_mode(mode, false);
6535         else if(vesa != -1)
6536                 sisfb_search_vesamode(vesa, false);
6537
6538         sisfb_crt1off = (crt1off == 0) ? 1 : 0;
6539
6540         sisfb_forcecrt1 = forcecrt1;
6541         if(forcecrt1 == 1)
6542                 sisfb_crt1off = 0;
6543         else if(forcecrt1 == 0)
6544                 sisfb_crt1off = 1;
6545
6546         if(noaccel == 1)
6547                 sisfb_accel = 0;
6548         else if(noaccel == 0)
6549                 sisfb_accel = 1;
6550
6551         if(noypan == 1)
6552                 sisfb_ypan = 0;
6553         else if(noypan == 0)
6554                 sisfb_ypan = 1;
6555
6556         if(nomax == 1)
6557                 sisfb_max = 0;
6558         else if(nomax == 0)
6559                 sisfb_max = 1;
6560
6561         if(mem)
6562                 sisfb_parm_mem = mem;
6563
6564         if(userom != -1)
6565                 sisfb_userom = userom;
6566
6567         if(useoem != -1)
6568                 sisfb_useoem = useoem;
6569
6570         if(pdc != -1)
6571                 sisfb_pdc  = (pdc  & 0x7f);
6572
6573         if(pdc1 != -1)
6574                 sisfb_pdca = (pdc1 & 0x1f);
6575
6576         sisfb_nocrt2rate = nocrt2rate;
6577
6578         if(specialtiming)
6579                 sisfb_search_specialtiming(specialtiming);
6580
6581         if((lvdshl >= 0) && (lvdshl <= 3))
6582                 sisfb_lvdshl = lvdshl;
6583
6584         sisfb_tvxposoffset = tvxposoffset;
6585         sisfb_tvyposoffset = tvyposoffset;
6586
6587 #if !defined(__i386__) && !defined(__x86_64__)
6588         sisfb_resetcard = (resetcard) ? 1 : 0;
6589         if(videoram)
6590                 sisfb_videoram = videoram;
6591 #endif
6592
6593         return sisfb_init();
6594 }
6595
6596 static void __exit sisfb_remove_module(void)
6597 {
6598         pci_unregister_driver(&sisfb_driver);
6599         printk(KERN_DEBUG "sisfb: Module unloaded\n");
6600 }
6601
6602 module_init(sisfb_init_module);
6603 module_exit(sisfb_remove_module);
6604
6605 MODULE_DESCRIPTION("SiS 300/540/630/730/315/55x/65x/661/74x/330/76x/34x, XGI V3XT/V5/V8/Z7 framebuffer device driver");
6606 MODULE_LICENSE("GPL");
6607 MODULE_AUTHOR("Thomas Winischhofer <thomas@winischhofer.net>, Others");
6608
6609 module_param(mem, int, 0);
6610 module_param(noaccel, int, 0);
6611 module_param(noypan, int, 0);
6612 module_param(nomax, int, 0);
6613 module_param(userom, int, 0);
6614 module_param(useoem, int, 0);
6615 module_param(mode, charp, 0);
6616 module_param(vesa, int, 0);
6617 module_param(rate, int, 0);
6618 module_param(forcecrt1, int, 0);
6619 module_param(forcecrt2type, charp, 0);
6620 module_param(scalelcd, int, 0);
6621 module_param(pdc, int, 0);
6622 module_param(pdc1, int, 0);
6623 module_param(specialtiming, charp, 0);
6624 module_param(lvdshl, int, 0);
6625 module_param(tvstandard, charp, 0);
6626 module_param(tvxposoffset, int, 0);
6627 module_param(tvyposoffset, int, 0);
6628 module_param(nocrt2rate, int, 0);
6629 #if !defined(__i386__) && !defined(__x86_64__)
6630 module_param(resetcard, int, 0);
6631 module_param(videoram, int, 0);
6632 #endif
6633
6634 MODULE_PARM_DESC(mem,
6635         "\nDetermines the beginning of the video memory heap in KB. This heap is used\n"
6636           "for video RAM management for eg. DRM/DRI. On 300 series, the default depends\n"
6637           "on the amount of video RAM available. If 8MB of video RAM or less is available,\n"
6638           "the heap starts at 4096KB, if between 8 and 16MB are available at 8192KB,\n"
6639           "otherwise at 12288KB. On 315/330/340 series, the heap size is 32KB by default.\n"
6640           "The value is to be specified without 'KB'.\n");
6641
6642 MODULE_PARM_DESC(noaccel,
6643         "\nIf set to anything other than 0, 2D acceleration will be disabled.\n"
6644           "(default: 0)\n");
6645
6646 MODULE_PARM_DESC(noypan,
6647         "\nIf set to anything other than 0, y-panning will be disabled and scrolling\n"
6648           "will be performed by redrawing the screen. (default: 0)\n");
6649
6650 MODULE_PARM_DESC(nomax,
6651         "\nIf y-panning is enabled, sisfb will by default use the entire available video\n"
6652           "memory for the virtual screen in order to optimize scrolling performance. If\n"
6653           "this is set to anything other than 0, sisfb will not do this and thereby \n"
6654           "enable the user to positively specify a virtual Y size of the screen using\n"
6655           "fbset. (default: 0)\n");
6656
6657 MODULE_PARM_DESC(mode,
6658         "\nSelects the desired default display mode in the format XxYxDepth,\n"
6659          "eg. 1024x768x16. Other formats supported include XxY-Depth and\n"
6660          "XxY-Depth@Rate. If the parameter is only one (decimal or hexadecimal)\n"
6661          "number, it will be interpreted as a VESA mode number. (default: 800x600x8)\n");
6662
6663 MODULE_PARM_DESC(vesa,
6664         "\nSelects the desired default display mode by VESA defined mode number, eg.\n"
6665          "0x117 (default: 0x0103)\n");
6666
6667 MODULE_PARM_DESC(rate,
6668         "\nSelects the desired vertical refresh rate for CRT1 (external VGA) in Hz.\n"
6669           "If the mode is specified in the format XxY-Depth@Rate, this parameter\n"
6670           "will be ignored (default: 60)\n");
6671
6672 MODULE_PARM_DESC(forcecrt1,
6673         "\nNormally, the driver autodetects whether or not CRT1 (external VGA) is \n"
6674           "connected. With this option, the detection can be overridden (1=CRT1 ON,\n"
6675           "0=CRT1 OFF) (default: [autodetected])\n");
6676
6677 MODULE_PARM_DESC(forcecrt2type,
6678         "\nIf this option is omitted, the driver autodetects CRT2 output devices, such as\n"
6679           "LCD, TV or secondary VGA. With this option, this autodetection can be\n"
6680           "overridden. Possible parameters are LCD, TV, VGA or NONE. NONE disables CRT2.\n"
6681           "On systems with a SiS video bridge, parameters SVIDEO, COMPOSITE or SCART can\n"
6682           "be used instead of TV to override the TV detection. Furthermore, on systems\n"
6683           "with a SiS video bridge, SVIDEO+COMPOSITE, HIVISION, YPBPR480I, YPBPR480P,\n"
6684           "YPBPR720P and YPBPR1080I are understood. However, whether or not these work\n"
6685           "depends on the very hardware in use. (default: [autodetected])\n");
6686
6687 MODULE_PARM_DESC(scalelcd,
6688         "\nSetting this to 1 will force the driver to scale the LCD image to the panel's\n"
6689           "native resolution. Setting it to 0 will disable scaling; LVDS panels will\n"
6690           "show black bars around the image, TMDS panels will probably do the scaling\n"
6691           "themselves. Default: 1 on LVDS panels, 0 on TMDS panels\n");
6692
6693 MODULE_PARM_DESC(pdc,
6694         "\nThis is for manually selecting the LCD panel delay compensation. The driver\n"
6695           "should detect this correctly in most cases; however, sometimes this is not\n"
6696           "possible. If you see 'small waves' on the LCD, try setting this to 4, 32 or 24\n"
6697           "on a 300 series chipset; 6 on other chipsets. If the problem persists, try\n"
6698           "other values (on 300 series: between 4 and 60 in steps of 4; otherwise: any\n"
6699           "value from 0 to 31). (default: autodetected, if LCD is active during start)\n");
6700
6701 #ifdef CONFIG_FB_SIS_315
6702 MODULE_PARM_DESC(pdc1,
6703         "\nThis is same as pdc, but for LCD-via CRT1. Hence, this is for the 315/330/340\n"
6704           "series only. (default: autodetected if LCD is in LCD-via-CRT1 mode during\n"
6705           "startup) - Note: currently, this has no effect because LCD-via-CRT1 is not\n"
6706           "implemented yet.\n");
6707 #endif
6708
6709 MODULE_PARM_DESC(specialtiming,
6710         "\nPlease refer to documentation for more information on this option.\n");
6711
6712 MODULE_PARM_DESC(lvdshl,
6713         "\nPlease refer to documentation for more information on this option.\n");
6714
6715 MODULE_PARM_DESC(tvstandard,
6716         "\nThis allows overriding the BIOS default for the TV standard. Valid choices are\n"
6717           "pal, ntsc, palm and paln. (default: [auto; pal or ntsc only])\n");
6718
6719 MODULE_PARM_DESC(tvxposoffset,
6720         "\nRelocate TV output horizontally. Possible parameters: -32 through 32.\n"
6721           "Default: 0\n");
6722
6723 MODULE_PARM_DESC(tvyposoffset,
6724         "\nRelocate TV output vertically. Possible parameters: -32 through 32.\n"
6725           "Default: 0\n");
6726
6727 MODULE_PARM_DESC(nocrt2rate,
6728         "\nSetting this to 1 will force the driver to use the default refresh rate for\n"
6729           "CRT2 if CRT2 type is VGA. (default: 0, use same rate as CRT1)\n");
6730
6731 #if !defined(__i386__) && !defined(__x86_64__)
6732 #ifdef CONFIG_FB_SIS_300
6733 MODULE_PARM_DESC(resetcard,
6734         "\nSet this to 1 in order to reset (POST) the card on non-x86 machines where\n"
6735           "the BIOS did not POST the card (only supported for SiS 300/305 and XGI cards\n"
6736           "currently). Default: 0\n");
6737
6738 MODULE_PARM_DESC(videoram,
6739         "\nSet this to the amount of video RAM (in kilobyte) the card has. Required on\n"
6740           "some non-x86 architectures where the memory auto detection fails. Only\n"
6741           "relevant if resetcard is set, too. SiS300/305 only. Default: [auto-detect]\n");
6742 #endif
6743 #endif
6744
6745 #endif     /*  /MODULE  */
6746
6747 /* _GPL only for new symbols. */
6748 EXPORT_SYMBOL(sis_malloc);
6749 EXPORT_SYMBOL(sis_free);
6750 EXPORT_SYMBOL_GPL(sis_malloc_new);
6751 EXPORT_SYMBOL_GPL(sis_free_new);
6752
6753
6754