1/* 2 * XG20, XG21, XG40, XG42 frame buffer device 3 * for Linux kernels 2.5.x, 2.6.x 4 * Base on TW's sis fbdev code. 5 */ 6 7#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 8 9#include <linux/sizes.h> 10#include <linux/module.h> 11 12#ifdef CONFIG_MTRR 13#include <asm/mtrr.h> 14#endif 15 16#include "XGI_main.h" 17#include "vb_init.h" 18#include "vb_util.h" 19#include "vb_setmode.h" 20 21#define Index_CR_GPIO_Reg1 0x48 22#define Index_CR_GPIO_Reg3 0x4a 23 24#define GPIOG_EN (1<<6) 25#define GPIOG_READ (1<<1) 26 27static char *forcecrt2type; 28static char *mode; 29static int vesa = -1; 30static unsigned int refresh_rate; 31 32/* -------------------- Macro definitions ---------------------------- */ 33 34#ifdef DEBUG 35static void dumpVGAReg(void) 36{ 37 u8 i, reg; 38 39 xgifb_reg_set(XGISR, 0x05, 0x86); 40 41 for (i = 0; i < 0x4f; i++) { 42 reg = xgifb_reg_get(XGISR, i); 43 pr_debug("o 3c4 %x\n", i); 44 pr_debug("i 3c5 => %x\n", reg); 45 } 46 47 for (i = 0; i < 0xF0; i++) { 48 reg = xgifb_reg_get(XGICR, i); 49 pr_debug("o 3d4 %x\n", i); 50 pr_debug("i 3d5 => %x\n", reg); 51 } 52} 53#else 54static inline void dumpVGAReg(void) 55{ 56} 57#endif 58 59/* --------------- Hardware Access Routines -------------------------- */ 60 61static int XGIfb_mode_rate_to_dclock(struct vb_device_info *XGI_Pr, 62 struct xgi_hw_device_info *HwDeviceExtension, 63 unsigned char modeno) 64{ 65 unsigned short ModeNo = modeno; 66 unsigned short ModeIdIndex = 0, ClockIndex = 0; 67 unsigned short RefreshRateTableIndex = 0; 68 int Clock; 69 70 InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr); 71 72 XGI_SearchModeID(ModeNo, &ModeIdIndex); 73 74 RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo, 75 ModeIdIndex, XGI_Pr); 76 77 ClockIndex = XGI330_RefIndex[RefreshRateTableIndex].Ext_CRTVCLK; 78 79 Clock = XGI_VCLKData[ClockIndex].CLOCK * 1000; 80 81 return Clock; 82} 83 84static int XGIfb_mode_rate_to_ddata(struct vb_device_info *XGI_Pr, 85 struct xgi_hw_device_info *HwDeviceExtension, 86 unsigned char modeno, 87 u32 *left_margin, u32 *right_margin, u32 *upper_margin, 88 u32 *lower_margin, u32 *hsync_len, u32 *vsync_len, u32 *sync, 89 u32 *vmode) 90{ 91 unsigned short ModeNo = modeno; 92 unsigned short ModeIdIndex, index = 0; 93 unsigned short RefreshRateTableIndex = 0; 94 95 unsigned short VRE, VBE, VRS, VDE; 96 unsigned short HRE, HBE, HRS, HDE; 97 unsigned char sr_data, cr_data, cr_data2; 98 int B, C, D, F, temp, j; 99 100 InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr); 101 if (!XGI_SearchModeID(ModeNo, &ModeIdIndex)) 102 return 0; 103 RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo, 104 ModeIdIndex, XGI_Pr); 105 index = XGI330_RefIndex[RefreshRateTableIndex].Ext_CRT1CRTC; 106 107 sr_data = XGI_CRT1Table[index].CR[5]; 108 109 HDE = (XGI330_RefIndex[RefreshRateTableIndex].XRes >> 3); 110 111 cr_data = XGI_CRT1Table[index].CR[3]; 112 113 /* Horizontal retrace (=sync) start */ 114 HRS = (cr_data & 0xff) | ((unsigned short) (sr_data & 0xC0) << 2); 115 F = HRS - HDE - 3; 116 117 sr_data = XGI_CRT1Table[index].CR[6]; 118 119 cr_data = XGI_CRT1Table[index].CR[2]; 120 121 cr_data2 = XGI_CRT1Table[index].CR[4]; 122 123 /* Horizontal blank end */ 124 HBE = (cr_data & 0x1f) | ((unsigned short) (cr_data2 & 0x80) >> 2) 125 | ((unsigned short) (sr_data & 0x03) << 6); 126 127 /* Horizontal retrace (=sync) end */ 128 HRE = (cr_data2 & 0x1f) | ((sr_data & 0x04) << 3); 129 130 temp = HBE - ((HDE - 1) & 255); 131 B = (temp > 0) ? temp : (temp + 256); 132 133 temp = HRE - ((HDE + F + 3) & 63); 134 C = (temp > 0) ? temp : (temp + 64); 135 136 D = B - F - C; 137 138 *left_margin = D * 8; 139 *right_margin = F * 8; 140 *hsync_len = C * 8; 141 142 sr_data = XGI_CRT1Table[index].CR[14]; 143 144 cr_data2 = XGI_CRT1Table[index].CR[9]; 145 146 VDE = XGI330_RefIndex[RefreshRateTableIndex].YRes; 147 148 cr_data = XGI_CRT1Table[index].CR[10]; 149 150 /* Vertical retrace (=sync) start */ 151 VRS = (cr_data & 0xff) | ((unsigned short) (cr_data2 & 0x04) << 6) 152 | ((unsigned short) (cr_data2 & 0x80) << 2) 153 | ((unsigned short) (sr_data & 0x08) << 7); 154 F = VRS + 1 - VDE; 155 156 cr_data = XGI_CRT1Table[index].CR[13]; 157 158 /* Vertical blank end */ 159 VBE = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x10) << 4); 160 temp = VBE - ((VDE - 1) & 511); 161 B = (temp > 0) ? temp : (temp + 512); 162 163 cr_data = XGI_CRT1Table[index].CR[11]; 164 165 /* Vertical retrace (=sync) end */ 166 VRE = (cr_data & 0x0f) | ((sr_data & 0x20) >> 1); 167 temp = VRE - ((VDE + F - 1) & 31); 168 C = (temp > 0) ? temp : (temp + 32); 169 170 D = B - F - C; 171 172 *upper_margin = D; 173 *lower_margin = F; 174 *vsync_len = C; 175 176 if (XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x8000) 177 *sync &= ~FB_SYNC_VERT_HIGH_ACT; 178 else 179 *sync |= FB_SYNC_VERT_HIGH_ACT; 180 181 if (XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x4000) 182 *sync &= ~FB_SYNC_HOR_HIGH_ACT; 183 else 184 *sync |= FB_SYNC_HOR_HIGH_ACT; 185 186 *vmode = FB_VMODE_NONINTERLACED; 187 if (XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x0080) 188 *vmode = FB_VMODE_INTERLACED; 189 else { 190 j = 0; 191 while (XGI330_EModeIDTable[j].Ext_ModeID != 0xff) { 192 if (XGI330_EModeIDTable[j].Ext_ModeID == 193 XGI330_RefIndex[RefreshRateTableIndex].ModeID) { 194 if (XGI330_EModeIDTable[j].Ext_ModeFlag & 195 DoubleScanMode) { 196 *vmode = FB_VMODE_DOUBLE; 197 } 198 break; 199 } 200 j++; 201 } 202 } 203 204 return 1; 205} 206 207void XGIRegInit(struct vb_device_info *XGI_Pr, unsigned long BaseAddr) 208{ 209 XGI_Pr->P3c4 = BaseAddr + 0x14; 210 XGI_Pr->P3d4 = BaseAddr + 0x24; 211 XGI_Pr->P3c0 = BaseAddr + 0x10; 212 XGI_Pr->P3ce = BaseAddr + 0x1e; 213 XGI_Pr->P3c2 = BaseAddr + 0x12; 214 XGI_Pr->P3cc = BaseAddr + 0x1c; 215 XGI_Pr->P3ca = BaseAddr + 0x1a; 216 XGI_Pr->P3c6 = BaseAddr + 0x16; 217 XGI_Pr->P3c7 = BaseAddr + 0x17; 218 XGI_Pr->P3c8 = BaseAddr + 0x18; 219 XGI_Pr->P3c9 = BaseAddr + 0x19; 220 XGI_Pr->P3da = BaseAddr + 0x2A; 221 XGI_Pr->Part0Port = BaseAddr + XGI_CRT2_PORT_00; 222 /* Digital video interface registers (LCD) */ 223 XGI_Pr->Part1Port = BaseAddr + SIS_CRT2_PORT_04; 224 /* 301 TV Encoder registers */ 225 XGI_Pr->Part2Port = BaseAddr + SIS_CRT2_PORT_10; 226 /* 301 Macrovision registers */ 227 XGI_Pr->Part3Port = BaseAddr + SIS_CRT2_PORT_12; 228 /* 301 VGA2 (and LCD) registers */ 229 XGI_Pr->Part4Port = BaseAddr + SIS_CRT2_PORT_14; 230 /* 301 palette address port registers */ 231 XGI_Pr->Part5Port = BaseAddr + SIS_CRT2_PORT_14 + 2; 232 233} 234 235/* ------------------ Internal helper routines ----------------- */ 236 237static int XGIfb_GetXG21DefaultLVDSModeIdx(struct xgifb_video_info *xgifb_info) 238{ 239 int i = 0; 240 241 while ((XGIbios_mode[i].mode_no != 0) 242 && (XGIbios_mode[i].xres <= xgifb_info->lvds_data.LVDSHDE)) { 243 if ((XGIbios_mode[i].xres == xgifb_info->lvds_data.LVDSHDE) 244 && (XGIbios_mode[i].yres == xgifb_info->lvds_data.LVDSVDE) 245 && (XGIbios_mode[i].bpp == 8)) { 246 return i; 247 } 248 i++; 249 } 250 251 return -1; 252} 253 254static void XGIfb_search_mode(struct xgifb_video_info *xgifb_info, 255 const char *name) 256{ 257 unsigned int xres; 258 unsigned int yres; 259 unsigned int bpp; 260 int i; 261 262 if (sscanf(name, "%ux%ux%u", &xres, &yres, &bpp) != 3) 263 goto invalid_mode; 264 265 if (bpp == 24) 266 bpp = 32; /* That's for people who mix up color and fb depth. */ 267 268 for (i = 0; XGIbios_mode[i].mode_no != 0; i++) 269 if (XGIbios_mode[i].xres == xres && 270 XGIbios_mode[i].yres == yres && 271 XGIbios_mode[i].bpp == bpp) { 272 xgifb_info->mode_idx = i; 273 return; 274 } 275invalid_mode: 276 pr_info("Invalid mode '%s'\n", name); 277} 278 279static void XGIfb_search_vesamode(struct xgifb_video_info *xgifb_info, 280 unsigned int vesamode) 281{ 282 int i = 0; 283 284 if (vesamode == 0) 285 goto invalid; 286 287 vesamode &= 0x1dff; /* Clean VESA mode number from other flags */ 288 289 while (XGIbios_mode[i].mode_no != 0) { 290 if ((XGIbios_mode[i].vesa_mode_no_1 == vesamode) || 291 (XGIbios_mode[i].vesa_mode_no_2 == vesamode)) { 292 xgifb_info->mode_idx = i; 293 return; 294 } 295 i++; 296 } 297 298invalid: 299 pr_info("Invalid VESA mode 0x%x'\n", vesamode); 300} 301 302static int XGIfb_validate_mode(struct xgifb_video_info *xgifb_info, int myindex) 303{ 304 u16 xres, yres; 305 struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info; 306 unsigned long required_mem; 307 308 if (xgifb_info->chip == XG21) { 309 if (xgifb_info->display2 == XGIFB_DISP_LCD) { 310 xres = xgifb_info->lvds_data.LVDSHDE; 311 yres = xgifb_info->lvds_data.LVDSVDE; 312 if (XGIbios_mode[myindex].xres > xres) 313 return -1; 314 if (XGIbios_mode[myindex].yres > yres) 315 return -1; 316 if ((XGIbios_mode[myindex].xres < xres) && 317 (XGIbios_mode[myindex].yres < yres)) { 318 if (XGIbios_mode[myindex].bpp > 8) 319 return -1; 320 } 321 322 } 323 goto check_memory; 324 325 } 326 327 /* FIXME: for now, all is valid on XG27 */ 328 if (xgifb_info->chip == XG27) 329 goto check_memory; 330 331 if (!(XGIbios_mode[myindex].chipset & MD_XGI315)) 332 return -1; 333 334 switch (xgifb_info->display2) { 335 case XGIFB_DISP_LCD: 336 switch (hw_info->ulCRT2LCDType) { 337 case LCD_640x480: 338 xres = 640; 339 yres = 480; 340 break; 341 case LCD_800x600: 342 xres = 800; 343 yres = 600; 344 break; 345 case LCD_1024x600: 346 xres = 1024; 347 yres = 600; 348 break; 349 case LCD_1024x768: 350 xres = 1024; 351 yres = 768; 352 break; 353 case LCD_1152x768: 354 xres = 1152; 355 yres = 768; 356 break; 357 case LCD_1280x960: 358 xres = 1280; 359 yres = 960; 360 break; 361 case LCD_1280x768: 362 xres = 1280; 363 yres = 768; 364 break; 365 case LCD_1280x1024: 366 xres = 1280; 367 yres = 1024; 368 break; 369 case LCD_1400x1050: 370 xres = 1400; 371 yres = 1050; 372 break; 373 case LCD_1600x1200: 374 xres = 1600; 375 yres = 1200; 376 break; 377 default: 378 xres = 0; 379 yres = 0; 380 break; 381 } 382 if (XGIbios_mode[myindex].xres > xres) 383 return -1; 384 if (XGIbios_mode[myindex].yres > yres) 385 return -1; 386 if ((hw_info->ulExternalChip == 0x01) || /* LVDS */ 387 (hw_info->ulExternalChip == 0x05)) { /* LVDS+Chrontel */ 388 switch (XGIbios_mode[myindex].xres) { 389 case 512: 390 if (XGIbios_mode[myindex].yres != 512) 391 return -1; 392 if (hw_info->ulCRT2LCDType == LCD_1024x600) 393 return -1; 394 break; 395 case 640: 396 if ((XGIbios_mode[myindex].yres != 400) 397 && (XGIbios_mode[myindex].yres 398 != 480)) 399 return -1; 400 break; 401 case 800: 402 if (XGIbios_mode[myindex].yres != 600) 403 return -1; 404 break; 405 case 1024: 406 if ((XGIbios_mode[myindex].yres != 600) && 407 (XGIbios_mode[myindex].yres != 768)) 408 return -1; 409 if ((XGIbios_mode[myindex].yres == 600) && 410 (hw_info->ulCRT2LCDType != LCD_1024x600)) 411 return -1; 412 break; 413 case 1152: 414 if ((XGIbios_mode[myindex].yres) != 768) 415 return -1; 416 if (hw_info->ulCRT2LCDType != LCD_1152x768) 417 return -1; 418 break; 419 case 1280: 420 if ((XGIbios_mode[myindex].yres != 768) && 421 (XGIbios_mode[myindex].yres != 1024)) 422 return -1; 423 if ((XGIbios_mode[myindex].yres == 768) && 424 (hw_info->ulCRT2LCDType != LCD_1280x768)) 425 return -1; 426 break; 427 case 1400: 428 if (XGIbios_mode[myindex].yres != 1050) 429 return -1; 430 break; 431 case 1600: 432 if (XGIbios_mode[myindex].yres != 1200) 433 return -1; 434 break; 435 default: 436 return -1; 437 } 438 } else { 439 switch (XGIbios_mode[myindex].xres) { 440 case 512: 441 if (XGIbios_mode[myindex].yres != 512) 442 return -1; 443 break; 444 case 640: 445 if ((XGIbios_mode[myindex].yres != 400) && 446 (XGIbios_mode[myindex].yres != 480)) 447 return -1; 448 break; 449 case 800: 450 if (XGIbios_mode[myindex].yres != 600) 451 return -1; 452 break; 453 case 1024: 454 if (XGIbios_mode[myindex].yres != 768) 455 return -1; 456 break; 457 case 1280: 458 if ((XGIbios_mode[myindex].yres != 960) && 459 (XGIbios_mode[myindex].yres != 1024)) 460 return -1; 461 if (XGIbios_mode[myindex].yres == 960) { 462 if (hw_info->ulCRT2LCDType == 463 LCD_1400x1050) 464 return -1; 465 } 466 break; 467 case 1400: 468 if (XGIbios_mode[myindex].yres != 1050) 469 return -1; 470 break; 471 case 1600: 472 if (XGIbios_mode[myindex].yres != 1200) 473 return -1; 474 break; 475 default: 476 return -1; 477 } 478 } 479 break; 480 case XGIFB_DISP_TV: 481 switch (XGIbios_mode[myindex].xres) { 482 case 512: 483 case 640: 484 case 800: 485 break; 486 case 720: 487 if (xgifb_info->TV_type == TVMODE_NTSC) { 488 if (XGIbios_mode[myindex].yres != 480) 489 return -1; 490 } else if (xgifb_info->TV_type == TVMODE_PAL) { 491 if (XGIbios_mode[myindex].yres != 576) 492 return -1; 493 } 494 /* LVDS/CHRONTEL does not support 720 */ 495 if (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL || 496 xgifb_info->hasVB == HASVB_CHRONTEL) { 497 return -1; 498 } 499 break; 500 case 1024: 501 if (xgifb_info->TV_type == TVMODE_NTSC) { 502 if (XGIbios_mode[myindex].bpp == 32) 503 return -1; 504 } 505 break; 506 default: 507 return -1; 508 } 509 break; 510 case XGIFB_DISP_CRT: 511 if (XGIbios_mode[myindex].xres > 1280) 512 return -1; 513 break; 514 case XGIFB_DISP_NONE: 515 break; 516 } 517 518check_memory: 519 required_mem = XGIbios_mode[myindex].xres * XGIbios_mode[myindex].yres * 520 XGIbios_mode[myindex].bpp / 8; 521 if (required_mem > xgifb_info->video_size) 522 return -1; 523 return myindex; 524 525} 526 527static void XGIfb_search_crt2type(const char *name) 528{ 529 int i = 0; 530 531 if (name == NULL) 532 return; 533 534 while (XGI_crt2type[i].type_no != -1) { 535 if (!strcmp(name, XGI_crt2type[i].name)) { 536 XGIfb_crt2type = XGI_crt2type[i].type_no; 537 XGIfb_tvplug = XGI_crt2type[i].tvplug_no; 538 break; 539 } 540 i++; 541 } 542 if (XGIfb_crt2type < 0) 543 pr_info("Invalid CRT2 type: %s\n", name); 544} 545 546static u8 XGIfb_search_refresh_rate(struct xgifb_video_info *xgifb_info, 547 unsigned int rate) 548{ 549 u16 xres, yres; 550 int i = 0; 551 552 xres = XGIbios_mode[xgifb_info->mode_idx].xres; 553 yres = XGIbios_mode[xgifb_info->mode_idx].yres; 554 555 xgifb_info->rate_idx = 0; 556 while ((XGIfb_vrate[i].idx != 0) && (XGIfb_vrate[i].xres <= xres)) { 557 if ((XGIfb_vrate[i].xres == xres) && 558 (XGIfb_vrate[i].yres == yres)) { 559 if (XGIfb_vrate[i].refresh == rate) { 560 xgifb_info->rate_idx = XGIfb_vrate[i].idx; 561 break; 562 } else if (XGIfb_vrate[i].refresh > rate) { 563 if ((XGIfb_vrate[i].refresh - rate) <= 3) { 564 pr_debug("Adjusting rate from %d up to %d\n", 565 rate, XGIfb_vrate[i].refresh); 566 xgifb_info->rate_idx = 567 XGIfb_vrate[i].idx; 568 xgifb_info->refresh_rate = 569 XGIfb_vrate[i].refresh; 570 } else if (((rate - XGIfb_vrate[i - 1].refresh) 571 <= 2) && (XGIfb_vrate[i].idx 572 != 1)) { 573 pr_debug("Adjusting rate from %d down to %d\n", 574 rate, 575 XGIfb_vrate[i-1].refresh); 576 xgifb_info->rate_idx = 577 XGIfb_vrate[i - 1].idx; 578 xgifb_info->refresh_rate = 579 XGIfb_vrate[i - 1].refresh; 580 } 581 break; 582 } else if ((rate - XGIfb_vrate[i].refresh) <= 2) { 583 pr_debug("Adjusting rate from %d down to %d\n", 584 rate, XGIfb_vrate[i].refresh); 585 xgifb_info->rate_idx = XGIfb_vrate[i].idx; 586 break; 587 } 588 } 589 i++; 590 } 591 if (xgifb_info->rate_idx > 0) 592 return xgifb_info->rate_idx; 593 pr_info("Unsupported rate %d for %dx%d\n", 594 rate, xres, yres); 595 return 0; 596} 597 598static void XGIfb_search_tvstd(const char *name) 599{ 600 int i = 0; 601 602 if (name == NULL) 603 return; 604 605 while (XGI_tvtype[i].type_no != -1) { 606 if (!strcmp(name, XGI_tvtype[i].name)) { 607 XGIfb_tvmode = XGI_tvtype[i].type_no; 608 break; 609 } 610 i++; 611 } 612} 613 614/* ----------- FBDev related routines for all series ----------- */ 615 616static void XGIfb_bpp_to_var(struct xgifb_video_info *xgifb_info, 617 struct fb_var_screeninfo *var) 618{ 619 switch (var->bits_per_pixel) { 620 case 8: 621 var->red.offset = var->green.offset = var->blue.offset = 0; 622 var->red.length = var->green.length = var->blue.length = 6; 623 xgifb_info->video_cmap_len = 256; 624 break; 625 case 16: 626 var->red.offset = 11; 627 var->red.length = 5; 628 var->green.offset = 5; 629 var->green.length = 6; 630 var->blue.offset = 0; 631 var->blue.length = 5; 632 var->transp.offset = 0; 633 var->transp.length = 0; 634 xgifb_info->video_cmap_len = 16; 635 break; 636 case 32: 637 var->red.offset = 16; 638 var->red.length = 8; 639 var->green.offset = 8; 640 var->green.length = 8; 641 var->blue.offset = 0; 642 var->blue.length = 8; 643 var->transp.offset = 24; 644 var->transp.length = 8; 645 xgifb_info->video_cmap_len = 16; 646 break; 647 } 648} 649 650/* --------------------- SetMode routines ------------------------- */ 651 652static void XGIfb_pre_setmode(struct xgifb_video_info *xgifb_info) 653{ 654 u8 cr30 = 0, cr31 = 0; 655 656 cr31 = xgifb_reg_get(XGICR, 0x31); 657 cr31 &= ~0x60; 658 659 switch (xgifb_info->display2) { 660 case XGIFB_DISP_CRT: 661 cr30 = (SIS_VB_OUTPUT_CRT2 | SIS_SIMULTANEOUS_VIEW_ENABLE); 662 cr31 |= SIS_DRIVER_MODE; 663 break; 664 case XGIFB_DISP_LCD: 665 cr30 = (SIS_VB_OUTPUT_LCD | SIS_SIMULTANEOUS_VIEW_ENABLE); 666 cr31 |= SIS_DRIVER_MODE; 667 break; 668 case XGIFB_DISP_TV: 669 if (xgifb_info->TV_type == TVMODE_HIVISION) 670 cr30 = (SIS_VB_OUTPUT_HIVISION 671 | SIS_SIMULTANEOUS_VIEW_ENABLE); 672 else if (xgifb_info->TV_plug == TVPLUG_SVIDEO) 673 cr30 = (SIS_VB_OUTPUT_SVIDEO 674 | SIS_SIMULTANEOUS_VIEW_ENABLE); 675 else if (xgifb_info->TV_plug == TVPLUG_COMPOSITE) 676 cr30 = (SIS_VB_OUTPUT_COMPOSITE 677 | SIS_SIMULTANEOUS_VIEW_ENABLE); 678 else if (xgifb_info->TV_plug == TVPLUG_SCART) 679 cr30 = (SIS_VB_OUTPUT_SCART 680 | SIS_SIMULTANEOUS_VIEW_ENABLE); 681 cr31 |= SIS_DRIVER_MODE; 682 683 if (XGIfb_tvmode == 1 || xgifb_info->TV_type == TVMODE_PAL) 684 cr31 |= 0x01; 685 else 686 cr31 &= ~0x01; 687 break; 688 default: /* disable CRT2 */ 689 cr30 = 0x00; 690 cr31 |= (SIS_DRIVER_MODE | SIS_VB_OUTPUT_DISABLE); 691 } 692 693 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR30, cr30); 694 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR31, cr31); 695 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR33, 696 (xgifb_info->rate_idx & 0x0F)); 697} 698 699static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info) 700{ 701 u8 reg; 702 unsigned char doit = 1; 703 704 if (xgifb_info->video_bpp == 8) { 705 /* 706 * We can't switch off CRT1 on LVDS/Chrontel 707 * in 8bpp Modes 708 */ 709 if ((xgifb_info->hasVB == HASVB_LVDS) || 710 (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL)) { 711 doit = 0; 712 } 713 /* 714 * We can't switch off CRT1 on 301B-DH 715 * in 8bpp Modes if using LCD 716 */ 717 if (xgifb_info->display2 == XGIFB_DISP_LCD) 718 doit = 0; 719 } 720 721 /* We can't switch off CRT1 if bridge is in slave mode */ 722 if (xgifb_info->hasVB != HASVB_NONE) { 723 reg = xgifb_reg_get(XGIPART1, 0x00); 724 725 if ((reg & 0x50) == 0x10) 726 doit = 0; 727 728 } else { 729 XGIfb_crt1off = 0; 730 } 731 732 reg = xgifb_reg_get(XGICR, 0x17); 733 if ((XGIfb_crt1off) && (doit)) 734 reg &= ~0x80; 735 else 736 reg |= 0x80; 737 xgifb_reg_set(XGICR, 0x17, reg); 738 739 xgifb_reg_and(XGISR, IND_SIS_RAMDAC_CONTROL, ~0x04); 740 741 if (xgifb_info->display2 == XGIFB_DISP_TV && 742 xgifb_info->hasVB == HASVB_301) { 743 744 reg = xgifb_reg_get(XGIPART4, 0x01); 745 746 if (reg < 0xB0) { /* Set filter for XGI301 */ 747 int filter_tb; 748 749 switch (xgifb_info->video_width) { 750 case 320: 751 filter_tb = (xgifb_info->TV_type == 752 TVMODE_NTSC) ? 4 : 12; 753 break; 754 case 640: 755 filter_tb = (xgifb_info->TV_type == 756 TVMODE_NTSC) ? 5 : 13; 757 break; 758 case 720: 759 filter_tb = (xgifb_info->TV_type == 760 TVMODE_NTSC) ? 6 : 14; 761 break; 762 case 800: 763 filter_tb = (xgifb_info->TV_type == 764 TVMODE_NTSC) ? 7 : 15; 765 break; 766 default: 767 filter_tb = 0; 768 filter = -1; 769 break; 770 } 771 xgifb_reg_or(XGIPART1, 772 SIS_CRT2_WENABLE_315, 773 0x01); 774 775 if (xgifb_info->TV_type == TVMODE_NTSC) { 776 777 xgifb_reg_and(XGIPART2, 0x3a, 0x1f); 778 779 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) { 780 781 xgifb_reg_and(XGIPART2, 0x30, 0xdf); 782 783 } else if (xgifb_info->TV_plug 784 == TVPLUG_COMPOSITE) { 785 786 xgifb_reg_or(XGIPART2, 0x30, 0x20); 787 788 switch (xgifb_info->video_width) { 789 case 640: 790 xgifb_reg_set(XGIPART2, 791 0x35, 792 0xEB); 793 xgifb_reg_set(XGIPART2, 794 0x36, 795 0x04); 796 xgifb_reg_set(XGIPART2, 797 0x37, 798 0x25); 799 xgifb_reg_set(XGIPART2, 800 0x38, 801 0x18); 802 break; 803 case 720: 804 xgifb_reg_set(XGIPART2, 805 0x35, 806 0xEE); 807 xgifb_reg_set(XGIPART2, 808 0x36, 809 0x0C); 810 xgifb_reg_set(XGIPART2, 811 0x37, 812 0x22); 813 xgifb_reg_set(XGIPART2, 814 0x38, 815 0x08); 816 break; 817 case 800: 818 xgifb_reg_set(XGIPART2, 819 0x35, 820 0xEB); 821 xgifb_reg_set(XGIPART2, 822 0x36, 823 0x15); 824 xgifb_reg_set(XGIPART2, 825 0x37, 826 0x25); 827 xgifb_reg_set(XGIPART2, 828 0x38, 829 0xF6); 830 break; 831 } 832 } 833 834 } else if (xgifb_info->TV_type == TVMODE_PAL) { 835 836 xgifb_reg_and(XGIPART2, 0x3A, 0x1F); 837 838 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) { 839 840 xgifb_reg_and(XGIPART2, 0x30, 0xDF); 841 842 } else if (xgifb_info->TV_plug 843 == TVPLUG_COMPOSITE) { 844 845 xgifb_reg_or(XGIPART2, 0x30, 0x20); 846 847 switch (xgifb_info->video_width) { 848 case 640: 849 xgifb_reg_set(XGIPART2, 850 0x35, 851 0xF1); 852 xgifb_reg_set(XGIPART2, 853 0x36, 854 0xF7); 855 xgifb_reg_set(XGIPART2, 856 0x37, 857 0x1F); 858 xgifb_reg_set(XGIPART2, 859 0x38, 860 0x32); 861 break; 862 case 720: 863 xgifb_reg_set(XGIPART2, 864 0x35, 865 0xF3); 866 xgifb_reg_set(XGIPART2, 867 0x36, 868 0x00); 869 xgifb_reg_set(XGIPART2, 870 0x37, 871 0x1D); 872 xgifb_reg_set(XGIPART2, 873 0x38, 874 0x20); 875 break; 876 case 800: 877 xgifb_reg_set(XGIPART2, 878 0x35, 879 0xFC); 880 xgifb_reg_set(XGIPART2, 881 0x36, 882 0xFB); 883 xgifb_reg_set(XGIPART2, 884 0x37, 885 0x14); 886 xgifb_reg_set(XGIPART2, 887 0x38, 888 0x2A); 889 break; 890 } 891 } 892 } 893 894 if ((filter >= 0) && (filter <= 7)) { 895 pr_debug("FilterTable[%d]-%d: %*ph\n", 896 filter_tb, filter, 897 4, XGI_TV_filter[filter_tb]. 898 filter[filter]); 899 xgifb_reg_set( 900 XGIPART2, 901 0x35, 902 (XGI_TV_filter[filter_tb]. 903 filter[filter][0])); 904 xgifb_reg_set( 905 XGIPART2, 906 0x36, 907 (XGI_TV_filter[filter_tb]. 908 filter[filter][1])); 909 xgifb_reg_set( 910 XGIPART2, 911 0x37, 912 (XGI_TV_filter[filter_tb]. 913 filter[filter][2])); 914 xgifb_reg_set( 915 XGIPART2, 916 0x38, 917 (XGI_TV_filter[filter_tb]. 918 filter[filter][3])); 919 } 920 } 921 } 922} 923 924static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive, 925 struct fb_info *info) 926{ 927 struct xgifb_video_info *xgifb_info = info->par; 928 struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info; 929 unsigned int htotal = var->left_margin + var->xres + var->right_margin 930 + var->hsync_len; 931 unsigned int vtotal = var->upper_margin + var->yres + var->lower_margin 932 + var->vsync_len; 933#if defined(__powerpc__) 934 u8 cr_data; 935#endif 936 unsigned int drate = 0, hrate = 0; 937 int found_mode = 0; 938 int old_mode; 939 940 info->var.xres_virtual = var->xres_virtual; 941 info->var.yres_virtual = var->yres_virtual; 942 info->var.bits_per_pixel = var->bits_per_pixel; 943 944 if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) 945 vtotal <<= 1; 946 else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) 947 vtotal <<= 2; 948 949 if (!htotal || !vtotal) { 950 pr_debug("Invalid 'var' information\n"); 951 return -EINVAL; 952 } pr_debug("var->pixclock=%d, htotal=%d, vtotal=%d\n", 953 var->pixclock, htotal, vtotal); 954 955 if (var->pixclock && htotal && vtotal) { 956 drate = 1000000000 / var->pixclock; 957 hrate = (drate * 1000) / htotal; 958 xgifb_info->refresh_rate = (unsigned int) (hrate * 2 959 / vtotal); 960 } else { 961 xgifb_info->refresh_rate = 60; 962 } 963 964 pr_debug("Change mode to %dx%dx%d-%dHz\n", 965 var->xres, 966 var->yres, 967 var->bits_per_pixel, 968 xgifb_info->refresh_rate); 969 970 old_mode = xgifb_info->mode_idx; 971 xgifb_info->mode_idx = 0; 972 973 while ((XGIbios_mode[xgifb_info->mode_idx].mode_no != 0) && 974 (XGIbios_mode[xgifb_info->mode_idx].xres <= var->xres)) { 975 if ((XGIbios_mode[xgifb_info->mode_idx].xres == var->xres) && 976 (XGIbios_mode[xgifb_info->mode_idx].yres == var->yres) && 977 (XGIbios_mode[xgifb_info->mode_idx].bpp 978 == var->bits_per_pixel)) { 979 found_mode = 1; 980 break; 981 } 982 xgifb_info->mode_idx++; 983 } 984 985 if (found_mode) 986 xgifb_info->mode_idx = XGIfb_validate_mode(xgifb_info, 987 xgifb_info->mode_idx); 988 else 989 xgifb_info->mode_idx = -1; 990 991 if (xgifb_info->mode_idx < 0) { 992 pr_err("Mode %dx%dx%d not supported\n", 993 var->xres, var->yres, var->bits_per_pixel); 994 xgifb_info->mode_idx = old_mode; 995 return -EINVAL; 996 } 997 998 if (XGIfb_search_refresh_rate(xgifb_info, 999 xgifb_info->refresh_rate) == 0) { 1000 xgifb_info->rate_idx = 1; 1001 xgifb_info->refresh_rate = 60; 1002 } 1003 1004 if (isactive) { 1005 1006 XGIfb_pre_setmode(xgifb_info); 1007 if (XGISetModeNew(xgifb_info, hw_info, 1008 XGIbios_mode[xgifb_info->mode_idx].mode_no) 1009 == 0) { 1010 pr_err("Setting mode[0x%x] failed\n", 1011 XGIbios_mode[xgifb_info->mode_idx].mode_no); 1012 return -EINVAL; 1013 } 1014 info->fix.line_length = ((info->var.xres_virtual 1015 * info->var.bits_per_pixel) >> 6); 1016 1017 xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD); 1018 1019 xgifb_reg_set(XGICR, 0x13, (info->fix.line_length & 0x00ff)); 1020 xgifb_reg_set(XGISR, 1021 0x0E, 1022 (info->fix.line_length & 0xff00) >> 8); 1023 1024 XGIfb_post_setmode(xgifb_info); 1025 1026 pr_debug("Set new mode: %dx%dx%d-%d\n", 1027 XGIbios_mode[xgifb_info->mode_idx].xres, 1028 XGIbios_mode[xgifb_info->mode_idx].yres, 1029 XGIbios_mode[xgifb_info->mode_idx].bpp, 1030 xgifb_info->refresh_rate); 1031 1032 xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp; 1033 xgifb_info->video_vwidth = info->var.xres_virtual; 1034 xgifb_info->video_width = 1035 XGIbios_mode[xgifb_info->mode_idx].xres; 1036 xgifb_info->video_vheight = info->var.yres_virtual; 1037 xgifb_info->video_height = 1038 XGIbios_mode[xgifb_info->mode_idx].yres; 1039 xgifb_info->org_x = xgifb_info->org_y = 0; 1040 xgifb_info->video_linelength = info->var.xres_virtual 1041 * (xgifb_info->video_bpp >> 3); 1042 switch (xgifb_info->video_bpp) { 1043 case 8: 1044 xgifb_info->DstColor = 0x0000; 1045 xgifb_info->XGI310_AccelDepth = 0x00000000; 1046 xgifb_info->video_cmap_len = 256; 1047#if defined(__powerpc__) 1048 cr_data = xgifb_reg_get(XGICR, 0x4D); 1049 xgifb_reg_set(XGICR, 0x4D, (cr_data & 0xE0)); 1050#endif 1051 break; 1052 case 16: 1053 xgifb_info->DstColor = 0x8000; 1054 xgifb_info->XGI310_AccelDepth = 0x00010000; 1055#if defined(__powerpc__) 1056 cr_data = xgifb_reg_get(XGICR, 0x4D); 1057 xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x0B)); 1058#endif 1059 xgifb_info->video_cmap_len = 16; 1060 break; 1061 case 32: 1062 xgifb_info->DstColor = 0xC000; 1063 xgifb_info->XGI310_AccelDepth = 0x00020000; 1064 xgifb_info->video_cmap_len = 16; 1065#if defined(__powerpc__) 1066 cr_data = xgifb_reg_get(XGICR, 0x4D); 1067 xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x15)); 1068#endif 1069 break; 1070 default: 1071 xgifb_info->video_cmap_len = 16; 1072 pr_err("Unsupported depth %d\n", 1073 xgifb_info->video_bpp); 1074 break; 1075 } 1076 } 1077 XGIfb_bpp_to_var(xgifb_info, var); /*update ARGB info*/ 1078 1079 dumpVGAReg(); 1080 return 0; 1081} 1082 1083static int XGIfb_pan_var(struct fb_var_screeninfo *var, struct fb_info *info) 1084{ 1085 struct xgifb_video_info *xgifb_info = info->par; 1086 unsigned int base; 1087 1088 base = var->yoffset * info->var.xres_virtual + var->xoffset; 1089 1090 /* calculate base bpp dep. */ 1091 switch (info->var.bits_per_pixel) { 1092 case 16: 1093 base >>= 1; 1094 break; 1095 case 32: 1096 break; 1097 case 8: 1098 default: 1099 base >>= 2; 1100 break; 1101 } 1102 1103 xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD); 1104 1105 xgifb_reg_set(XGICR, 0x0D, base & 0xFF); 1106 xgifb_reg_set(XGICR, 0x0C, (base >> 8) & 0xFF); 1107 xgifb_reg_set(XGISR, 0x0D, (base >> 16) & 0xFF); 1108 xgifb_reg_set(XGISR, 0x37, (base >> 24) & 0x03); 1109 xgifb_reg_and_or(XGISR, 0x37, 0xDF, (base >> 21) & 0x04); 1110 1111 if (xgifb_info->display2 != XGIFB_DISP_NONE) { 1112 xgifb_reg_or(XGIPART1, SIS_CRT2_WENABLE_315, 0x01); 1113 xgifb_reg_set(XGIPART1, 0x06, (base & 0xFF)); 1114 xgifb_reg_set(XGIPART1, 0x05, ((base >> 8) & 0xFF)); 1115 xgifb_reg_set(XGIPART1, 0x04, ((base >> 16) & 0xFF)); 1116 xgifb_reg_and_or(XGIPART1, 1117 0x02, 1118 0x7F, 1119 ((base >> 24) & 0x01) << 7); 1120 } 1121 return 0; 1122} 1123 1124static int XGIfb_open(struct fb_info *info, int user) 1125{ 1126 return 0; 1127} 1128 1129static int XGIfb_release(struct fb_info *info, int user) 1130{ 1131 return 0; 1132} 1133 1134/* similar to sisfb_get_cmap_len */ 1135static int XGIfb_get_cmap_len(const struct fb_var_screeninfo *var) 1136{ 1137 return (var->bits_per_pixel == 8) ? 256 : 16; 1138} 1139 1140static int XGIfb_setcolreg(unsigned regno, unsigned red, unsigned green, 1141 unsigned blue, unsigned transp, struct fb_info *info) 1142{ 1143 struct xgifb_video_info *xgifb_info = info->par; 1144 1145 if (regno >= XGIfb_get_cmap_len(&info->var)) 1146 return 1; 1147 1148 switch (info->var.bits_per_pixel) { 1149 case 8: 1150 outb(regno, XGIDACA); 1151 outb((red >> 10), XGIDACD); 1152 outb((green >> 10), XGIDACD); 1153 outb((blue >> 10), XGIDACD); 1154 if (xgifb_info->display2 != XGIFB_DISP_NONE) { 1155 outb(regno, XGIDAC2A); 1156 outb((red >> 8), XGIDAC2D); 1157 outb((green >> 8), XGIDAC2D); 1158 outb((blue >> 8), XGIDAC2D); 1159 } 1160 break; 1161 case 16: 1162 ((u32 *) (info->pseudo_palette))[regno] = ((red & 0xf800)) 1163 | ((green & 0xfc00) >> 5) | ((blue & 0xf800) 1164 >> 11); 1165 break; 1166 case 32: 1167 red >>= 8; 1168 green >>= 8; 1169 blue >>= 8; 1170 ((u32 *) (info->pseudo_palette))[regno] = (red << 16) | (green 1171 << 8) | (blue); 1172 break; 1173 } 1174 return 0; 1175} 1176 1177/* ----------- FBDev related routines for all series ---------- */ 1178 1179static int XGIfb_get_fix(struct fb_fix_screeninfo *fix, int con, 1180 struct fb_info *info) 1181{ 1182 struct xgifb_video_info *xgifb_info = info->par; 1183 1184 memset(fix, 0, sizeof(struct fb_fix_screeninfo)); 1185 1186 strncpy(fix->id, "XGI", sizeof(fix->id) - 1); 1187 1188 /* if register_framebuffer has been called, we must lock */ 1189 if (atomic_read(&info->count)) 1190 mutex_lock(&info->mm_lock); 1191 1192 fix->smem_start = xgifb_info->video_base; 1193 fix->smem_len = xgifb_info->video_size; 1194 1195 /* if register_framebuffer has been called, we can unlock */ 1196 if (atomic_read(&info->count)) 1197 mutex_unlock(&info->mm_lock); 1198 1199 fix->type = FB_TYPE_PACKED_PIXELS; 1200 fix->type_aux = 0; 1201 if (xgifb_info->video_bpp == 8) 1202 fix->visual = FB_VISUAL_PSEUDOCOLOR; 1203 else 1204 fix->visual = FB_VISUAL_DIRECTCOLOR; 1205 fix->xpanstep = 0; 1206 if (XGIfb_ypan) 1207 fix->ypanstep = 1; 1208 fix->ywrapstep = 0; 1209 fix->line_length = xgifb_info->video_linelength; 1210 fix->mmio_start = xgifb_info->mmio_base; 1211 fix->mmio_len = xgifb_info->mmio_size; 1212 fix->accel = FB_ACCEL_SIS_XABRE; 1213 1214 return 0; 1215} 1216 1217static int XGIfb_set_par(struct fb_info *info) 1218{ 1219 int err; 1220 1221 err = XGIfb_do_set_var(&info->var, 1, info); 1222 if (err) 1223 return err; 1224 XGIfb_get_fix(&info->fix, -1, info); 1225 return 0; 1226} 1227 1228static int XGIfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) 1229{ 1230 struct xgifb_video_info *xgifb_info = info->par; 1231 unsigned int htotal = var->left_margin + var->xres + var->right_margin 1232 + var->hsync_len; 1233 unsigned int vtotal = 0; 1234 unsigned int drate = 0, hrate = 0; 1235 int found_mode = 0; 1236 int refresh_rate, search_idx; 1237 1238 if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) { 1239 vtotal = var->upper_margin + var->yres + var->lower_margin 1240 + var->vsync_len; 1241 vtotal <<= 1; 1242 } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) { 1243 vtotal = var->upper_margin + var->yres + var->lower_margin 1244 + var->vsync_len; 1245 vtotal <<= 2; 1246 } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) { 1247 vtotal = var->upper_margin + (var->yres / 2) 1248 + var->lower_margin + var->vsync_len; 1249 } else 1250 vtotal = var->upper_margin + var->yres + var->lower_margin 1251 + var->vsync_len; 1252 1253 if (!(htotal) || !(vtotal)) { 1254 pr_debug("No valid timing data\n"); 1255 return -EINVAL; 1256 } 1257 1258 if (var->pixclock && htotal && vtotal) { 1259 drate = 1000000000 / var->pixclock; 1260 hrate = (drate * 1000) / htotal; 1261 xgifb_info->refresh_rate = 1262 (unsigned int) (hrate * 2 / vtotal); 1263 pr_debug( 1264 "%s: pixclock = %d ,htotal=%d, vtotal=%d\n" 1265 "%s: drate=%d, hrate=%d, refresh_rate=%d\n", 1266 __func__, var->pixclock, htotal, vtotal, 1267 __func__, drate, hrate, xgifb_info->refresh_rate); 1268 } else { 1269 xgifb_info->refresh_rate = 60; 1270 } 1271 1272 /* Calculation wrong for 1024x600 - force it to 60Hz */ 1273 if ((var->xres == 1024) && (var->yres == 600)) 1274 refresh_rate = 60; 1275 1276 search_idx = 0; 1277 while ((XGIbios_mode[search_idx].mode_no != 0) && 1278 (XGIbios_mode[search_idx].xres <= var->xres)) { 1279 if ((XGIbios_mode[search_idx].xres == var->xres) && 1280 (XGIbios_mode[search_idx].yres == var->yres) && 1281 (XGIbios_mode[search_idx].bpp == var->bits_per_pixel)) { 1282 if (XGIfb_validate_mode(xgifb_info, search_idx) > 0) { 1283 found_mode = 1; 1284 break; 1285 } 1286 } 1287 search_idx++; 1288 } 1289 1290 if (!found_mode) { 1291 1292 pr_err("%dx%dx%d is no valid mode\n", 1293 var->xres, var->yres, var->bits_per_pixel); 1294 search_idx = 0; 1295 while (XGIbios_mode[search_idx].mode_no != 0) { 1296 if ((var->xres <= XGIbios_mode[search_idx].xres) && 1297 (var->yres <= XGIbios_mode[search_idx].yres) && 1298 (var->bits_per_pixel == 1299 XGIbios_mode[search_idx].bpp)) { 1300 if (XGIfb_validate_mode(xgifb_info, 1301 search_idx) > 0) { 1302 found_mode = 1; 1303 break; 1304 } 1305 } 1306 search_idx++; 1307 } 1308 if (found_mode) { 1309 var->xres = XGIbios_mode[search_idx].xres; 1310 var->yres = XGIbios_mode[search_idx].yres; 1311 pr_debug("Adapted to mode %dx%dx%d\n", 1312 var->xres, var->yres, var->bits_per_pixel); 1313 1314 } else { 1315 pr_err("Failed to find similar mode to %dx%dx%d\n", 1316 var->xres, var->yres, var->bits_per_pixel); 1317 return -EINVAL; 1318 } 1319 } 1320 1321 /* Adapt RGB settings */ 1322 XGIfb_bpp_to_var(xgifb_info, var); 1323 1324 if (!XGIfb_ypan) { 1325 if (var->xres != var->xres_virtual) 1326 var->xres_virtual = var->xres; 1327 if (var->yres != var->yres_virtual) 1328 var->yres_virtual = var->yres; 1329 } 1330 1331 /* Truncate offsets to maximum if too high */ 1332 if (var->xoffset > var->xres_virtual - var->xres) 1333 var->xoffset = var->xres_virtual - var->xres - 1; 1334 1335 if (var->yoffset > var->yres_virtual - var->yres) 1336 var->yoffset = var->yres_virtual - var->yres - 1; 1337 1338 /* Set everything else to 0 */ 1339 var->red.msb_right = 1340 var->green.msb_right = 1341 var->blue.msb_right = 1342 var->transp.offset = var->transp.length = var->transp.msb_right = 0; 1343 1344 return 0; 1345} 1346 1347static int XGIfb_pan_display(struct fb_var_screeninfo *var, 1348 struct fb_info *info) 1349{ 1350 int err; 1351 1352 if (var->xoffset > (info->var.xres_virtual - info->var.xres)) 1353 return -EINVAL; 1354 if (var->yoffset > (info->var.yres_virtual - info->var.yres)) 1355 return -EINVAL; 1356 1357 if (var->vmode & FB_VMODE_YWRAP) { 1358 if (var->yoffset >= info->var.yres_virtual || var->xoffset) 1359 return -EINVAL; 1360 } else if (var->xoffset + info->var.xres > info->var.xres_virtual 1361 || var->yoffset + info->var.yres 1362 > info->var.yres_virtual) { 1363 return -EINVAL; 1364 } 1365 err = XGIfb_pan_var(var, info); 1366 if (err < 0) 1367 return err; 1368 1369 info->var.xoffset = var->xoffset; 1370 info->var.yoffset = var->yoffset; 1371 if (var->vmode & FB_VMODE_YWRAP) 1372 info->var.vmode |= FB_VMODE_YWRAP; 1373 else 1374 info->var.vmode &= ~FB_VMODE_YWRAP; 1375 1376 return 0; 1377} 1378 1379static int XGIfb_blank(int blank, struct fb_info *info) 1380{ 1381 struct xgifb_video_info *xgifb_info = info->par; 1382 u8 reg; 1383 1384 reg = xgifb_reg_get(XGICR, 0x17); 1385 1386 if (blank > 0) 1387 reg &= 0x7f; 1388 else 1389 reg |= 0x80; 1390 1391 xgifb_reg_set(XGICR, 0x17, reg); 1392 xgifb_reg_set(XGISR, 0x00, 0x01); /* Synchronous Reset */ 1393 xgifb_reg_set(XGISR, 0x00, 0x03); /* End Reset */ 1394 return 0; 1395} 1396 1397static struct fb_ops XGIfb_ops = { 1398 .owner = THIS_MODULE, 1399 .fb_open = XGIfb_open, 1400 .fb_release = XGIfb_release, 1401 .fb_check_var = XGIfb_check_var, 1402 .fb_set_par = XGIfb_set_par, 1403 .fb_setcolreg = XGIfb_setcolreg, 1404 .fb_pan_display = XGIfb_pan_display, 1405 .fb_blank = XGIfb_blank, 1406 .fb_fillrect = cfb_fillrect, 1407 .fb_copyarea = cfb_copyarea, 1408 .fb_imageblit = cfb_imageblit, 1409}; 1410 1411/* ---------------- Chip generation dependent routines ---------------- */ 1412 1413/* for XGI 315/550/650/740/330 */ 1414 1415static int XGIfb_get_dram_size(struct xgifb_video_info *xgifb_info) 1416{ 1417 1418 u8 ChannelNum, tmp; 1419 u8 reg = 0; 1420 1421 /* xorg driver sets 32MB * 1 channel */ 1422 if (xgifb_info->chip == XG27) 1423 xgifb_reg_set(XGISR, IND_SIS_DRAM_SIZE, 0x51); 1424 1425 reg = xgifb_reg_get(XGISR, IND_SIS_DRAM_SIZE); 1426 if (!reg) 1427 return -1; 1428 1429 switch ((reg & XGI_DRAM_SIZE_MASK) >> 4) { 1430 case XGI_DRAM_SIZE_1MB: 1431 xgifb_info->video_size = 0x100000; 1432 break; 1433 case XGI_DRAM_SIZE_2MB: 1434 xgifb_info->video_size = 0x200000; 1435 break; 1436 case XGI_DRAM_SIZE_4MB: 1437 xgifb_info->video_size = 0x400000; 1438 break; 1439 case XGI_DRAM_SIZE_8MB: 1440 xgifb_info->video_size = 0x800000; 1441 break; 1442 case XGI_DRAM_SIZE_16MB: 1443 xgifb_info->video_size = 0x1000000; 1444 break; 1445 case XGI_DRAM_SIZE_32MB: 1446 xgifb_info->video_size = 0x2000000; 1447 break; 1448 case XGI_DRAM_SIZE_64MB: 1449 xgifb_info->video_size = 0x4000000; 1450 break; 1451 case XGI_DRAM_SIZE_128MB: 1452 xgifb_info->video_size = 0x8000000; 1453 break; 1454 case XGI_DRAM_SIZE_256MB: 1455 xgifb_info->video_size = 0x10000000; 1456 break; 1457 default: 1458 return -1; 1459 } 1460 1461 tmp = (reg & 0x0c) >> 2; 1462 switch (xgifb_info->chip) { 1463 case XG20: 1464 case XG21: 1465 case XG27: 1466 ChannelNum = 1; 1467 break; 1468 1469 case XG42: 1470 if (reg & 0x04) 1471 ChannelNum = 2; 1472 else 1473 ChannelNum = 1; 1474 break; 1475 1476 case XG40: 1477 default: 1478 if (tmp == 2) 1479 ChannelNum = 2; 1480 else if (tmp == 3) 1481 ChannelNum = 3; 1482 else 1483 ChannelNum = 1; 1484 break; 1485 } 1486 1487 xgifb_info->video_size = xgifb_info->video_size * ChannelNum; 1488 1489 pr_info("SR14=%x DramSzie %x ChannelNum %x\n", 1490 reg, 1491 xgifb_info->video_size, ChannelNum); 1492 return 0; 1493 1494} 1495 1496static void XGIfb_detect_VB(struct xgifb_video_info *xgifb_info) 1497{ 1498 u8 cr32, temp = 0; 1499 1500 xgifb_info->TV_plug = xgifb_info->TV_type = 0; 1501 1502 cr32 = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR32); 1503 1504 if ((cr32 & SIS_CRT1) && !XGIfb_crt1off) 1505 XGIfb_crt1off = 0; 1506 else { 1507 if (cr32 & 0x5F) 1508 XGIfb_crt1off = 1; 1509 else 1510 XGIfb_crt1off = 0; 1511 } 1512 1513 if (!xgifb_info->display2_force) { 1514 if (cr32 & SIS_VB_TV) 1515 xgifb_info->display2 = XGIFB_DISP_TV; 1516 else if (cr32 & SIS_VB_LCD) 1517 xgifb_info->display2 = XGIFB_DISP_LCD; 1518 else if (cr32 & SIS_VB_CRT2) 1519 xgifb_info->display2 = XGIFB_DISP_CRT; 1520 else 1521 xgifb_info->display2 = XGIFB_DISP_NONE; 1522 } 1523 1524 if (XGIfb_tvplug != -1) 1525 /* Override with option */ 1526 xgifb_info->TV_plug = XGIfb_tvplug; 1527 else if (cr32 & SIS_VB_HIVISION) { 1528 xgifb_info->TV_type = TVMODE_HIVISION; 1529 xgifb_info->TV_plug = TVPLUG_SVIDEO; 1530 } else if (cr32 & SIS_VB_SVIDEO) 1531 xgifb_info->TV_plug = TVPLUG_SVIDEO; 1532 else if (cr32 & SIS_VB_COMPOSITE) 1533 xgifb_info->TV_plug = TVPLUG_COMPOSITE; 1534 else if (cr32 & SIS_VB_SCART) 1535 xgifb_info->TV_plug = TVPLUG_SCART; 1536 1537 if (xgifb_info->TV_type == 0) { 1538 temp = xgifb_reg_get(XGICR, 0x38); 1539 if (temp & 0x10) 1540 xgifb_info->TV_type = TVMODE_PAL; 1541 else 1542 xgifb_info->TV_type = TVMODE_NTSC; 1543 } 1544 1545 /* Copy forceCRT1 option to CRT1off if option is given */ 1546 if (XGIfb_forcecrt1 != -1) { 1547 if (XGIfb_forcecrt1) 1548 XGIfb_crt1off = 0; 1549 else 1550 XGIfb_crt1off = 1; 1551 } 1552} 1553 1554static int XGIfb_has_VB(struct xgifb_video_info *xgifb_info) 1555{ 1556 u8 vb_chipid; 1557 1558 vb_chipid = xgifb_reg_get(XGIPART4, 0x00); 1559 switch (vb_chipid) { 1560 case 0x01: 1561 xgifb_info->hasVB = HASVB_301; 1562 break; 1563 case 0x02: 1564 xgifb_info->hasVB = HASVB_302; 1565 break; 1566 default: 1567 xgifb_info->hasVB = HASVB_NONE; 1568 return 0; 1569 } 1570 return 1; 1571} 1572 1573static void XGIfb_get_VB_type(struct xgifb_video_info *xgifb_info) 1574{ 1575 u8 reg; 1576 1577 if (!XGIfb_has_VB(xgifb_info)) { 1578 reg = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR37); 1579 switch ((reg & SIS_EXTERNAL_CHIP_MASK) >> 1) { 1580 case SIS_EXTERNAL_CHIP_LVDS: 1581 xgifb_info->hasVB = HASVB_LVDS; 1582 break; 1583 case SIS_EXTERNAL_CHIP_LVDS_CHRONTEL: 1584 xgifb_info->hasVB = HASVB_LVDS_CHRONTEL; 1585 break; 1586 default: 1587 break; 1588 } 1589 } 1590} 1591 1592static int __init xgifb_optval(char *fullopt, int validx) 1593{ 1594 unsigned long lres; 1595 1596 if (kstrtoul(fullopt + validx, 0, &lres) < 0 || lres > INT_MAX) { 1597 pr_err("Invalid value for option: %s\n", fullopt); 1598 return 0; 1599 } 1600 return lres; 1601} 1602 1603static int __init XGIfb_setup(char *options) 1604{ 1605 char *this_opt; 1606 1607 if (!options || !*options) 1608 return 0; 1609 1610 pr_info("Options: %s\n", options); 1611 1612 while ((this_opt = strsep(&options, ",")) != NULL) { 1613 1614 if (!*this_opt) 1615 continue; 1616 1617 if (!strncmp(this_opt, "mode:", 5)) { 1618 mode = this_opt + 5; 1619 } else if (!strncmp(this_opt, "vesa:", 5)) { 1620 vesa = xgifb_optval(this_opt, 5); 1621 } else if (!strncmp(this_opt, "vrate:", 6)) { 1622 refresh_rate = xgifb_optval(this_opt, 6); 1623 } else if (!strncmp(this_opt, "rate:", 5)) { 1624 refresh_rate = xgifb_optval(this_opt, 5); 1625 } else if (!strncmp(this_opt, "crt1off", 7)) { 1626 XGIfb_crt1off = 1; 1627 } else if (!strncmp(this_opt, "filter:", 7)) { 1628 filter = xgifb_optval(this_opt, 7); 1629 } else if (!strncmp(this_opt, "forcecrt2type:", 14)) { 1630 XGIfb_search_crt2type(this_opt + 14); 1631 } else if (!strncmp(this_opt, "forcecrt1:", 10)) { 1632 XGIfb_forcecrt1 = xgifb_optval(this_opt, 10); 1633 } else if (!strncmp(this_opt, "tvmode:", 7)) { 1634 XGIfb_search_tvstd(this_opt + 7); 1635 } else if (!strncmp(this_opt, "tvstandard:", 11)) { 1636 XGIfb_search_tvstd(this_opt + 7); 1637 } else if (!strncmp(this_opt, "dstn", 4)) { 1638 enable_dstn = 1; 1639 /* DSTN overrules forcecrt2type */ 1640 XGIfb_crt2type = XGIFB_DISP_LCD; 1641 } else if (!strncmp(this_opt, "noypan", 6)) { 1642 XGIfb_ypan = 0; 1643 } else { 1644 mode = this_opt; 1645 } 1646 } 1647 return 0; 1648} 1649 1650static int xgifb_probe(struct pci_dev *pdev, 1651 const struct pci_device_id *ent) 1652{ 1653 u8 reg, reg1; 1654 u8 CR48, CR38; 1655 int ret; 1656 struct fb_info *fb_info; 1657 struct xgifb_video_info *xgifb_info; 1658 struct xgi_hw_device_info *hw_info; 1659 unsigned long video_size_max; 1660 1661 fb_info = framebuffer_alloc(sizeof(*xgifb_info), &pdev->dev); 1662 if (!fb_info) 1663 return -ENOMEM; 1664 1665 xgifb_info = fb_info->par; 1666 hw_info = &xgifb_info->hw_info; 1667 xgifb_info->fb_info = fb_info; 1668 xgifb_info->chip_id = pdev->device; 1669 pci_read_config_byte(pdev, 1670 PCI_REVISION_ID, 1671 &xgifb_info->revision_id); 1672 hw_info->jChipRevision = xgifb_info->revision_id; 1673 1674 xgifb_info->pcibus = pdev->bus->number; 1675 xgifb_info->pcislot = PCI_SLOT(pdev->devfn); 1676 xgifb_info->pcifunc = PCI_FUNC(pdev->devfn); 1677 xgifb_info->subsysvendor = pdev->subsystem_vendor; 1678 xgifb_info->subsysdevice = pdev->subsystem_device; 1679 1680 video_size_max = pci_resource_len(pdev, 0); 1681 xgifb_info->video_base = pci_resource_start(pdev, 0); 1682 xgifb_info->mmio_base = pci_resource_start(pdev, 1); 1683 xgifb_info->mmio_size = pci_resource_len(pdev, 1); 1684 xgifb_info->vga_base = pci_resource_start(pdev, 2) + 0x30; 1685 dev_info(&pdev->dev, "Relocate IO address: %Lx [%08lx]\n", 1686 (u64) pci_resource_start(pdev, 2), 1687 xgifb_info->vga_base); 1688 1689 if (pci_enable_device(pdev)) { 1690 ret = -EIO; 1691 goto error; 1692 } 1693 1694 if (XGIfb_crt2type != -1) { 1695 xgifb_info->display2 = XGIfb_crt2type; 1696 xgifb_info->display2_force = true; 1697 } 1698 1699 XGIRegInit(&xgifb_info->dev_info, xgifb_info->vga_base); 1700 1701 xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD); 1702 reg1 = xgifb_reg_get(XGISR, IND_SIS_PASSWORD); 1703 1704 if (reg1 != 0xa1) { /*I/O error */ 1705 dev_err(&pdev->dev, "I/O error\n"); 1706 ret = -EIO; 1707 goto error_disable; 1708 } 1709 1710 switch (xgifb_info->chip_id) { 1711 case PCI_DEVICE_ID_XGI_20: 1712 xgifb_reg_or(XGICR, Index_CR_GPIO_Reg3, GPIOG_EN); 1713 CR48 = xgifb_reg_get(XGICR, Index_CR_GPIO_Reg1); 1714 if (CR48&GPIOG_READ) 1715 xgifb_info->chip = XG21; 1716 else 1717 xgifb_info->chip = XG20; 1718 break; 1719 case PCI_DEVICE_ID_XGI_40: 1720 xgifb_info->chip = XG40; 1721 break; 1722 case PCI_DEVICE_ID_XGI_42: 1723 xgifb_info->chip = XG42; 1724 break; 1725 case PCI_DEVICE_ID_XGI_27: 1726 xgifb_info->chip = XG27; 1727 break; 1728 default: 1729 ret = -ENODEV; 1730 goto error_disable; 1731 } 1732 1733 dev_info(&pdev->dev, "chipid = %x\n", xgifb_info->chip); 1734 hw_info->jChipType = xgifb_info->chip; 1735 1736 if (XGIfb_get_dram_size(xgifb_info)) { 1737 xgifb_info->video_size = min_t(unsigned long, video_size_max, 1738 SZ_16M); 1739 } else if (xgifb_info->video_size > video_size_max) { 1740 xgifb_info->video_size = video_size_max; 1741 } 1742 1743 /* Enable PCI_LINEAR_ADDRESSING and MMIO_ENABLE */ 1744 xgifb_reg_or(XGISR, 1745 IND_SIS_PCI_ADDRESS_SET, 1746 (SIS_PCI_ADDR_ENABLE | SIS_MEM_MAP_IO_ENABLE)); 1747 /* Enable 2D accelerator engine */ 1748 xgifb_reg_or(XGISR, IND_SIS_MODULE_ENABLE, SIS_ENABLE_2D); 1749 1750 hw_info->ulVideoMemorySize = xgifb_info->video_size; 1751 1752 if (!request_mem_region(xgifb_info->video_base, 1753 xgifb_info->video_size, 1754 "XGIfb FB")) { 1755 dev_err(&pdev->dev, "Unable request memory size %x\n", 1756 xgifb_info->video_size); 1757 dev_err(&pdev->dev, 1758 "Fatal error: Unable to reserve frame buffer memory. Is there another framebuffer driver active?\n"); 1759 ret = -ENODEV; 1760 goto error_disable; 1761 } 1762 1763 if (!request_mem_region(xgifb_info->mmio_base, 1764 xgifb_info->mmio_size, 1765 "XGIfb MMIO")) { 1766 dev_err(&pdev->dev, 1767 "Fatal error: Unable to reserve MMIO region\n"); 1768 ret = -ENODEV; 1769 goto error_0; 1770 } 1771 1772 xgifb_info->video_vbase = hw_info->pjVideoMemoryAddress = 1773 ioremap(xgifb_info->video_base, xgifb_info->video_size); 1774 xgifb_info->mmio_vbase = ioremap(xgifb_info->mmio_base, 1775 xgifb_info->mmio_size); 1776 1777 dev_info(&pdev->dev, 1778 "Framebuffer at 0x%Lx, mapped to 0x%p, size %dk\n", 1779 (u64) xgifb_info->video_base, 1780 xgifb_info->video_vbase, 1781 xgifb_info->video_size / 1024); 1782 1783 dev_info(&pdev->dev, 1784 "MMIO at 0x%Lx, mapped to 0x%p, size %ldk\n", 1785 (u64) xgifb_info->mmio_base, xgifb_info->mmio_vbase, 1786 xgifb_info->mmio_size / 1024); 1787 1788 pci_set_drvdata(pdev, xgifb_info); 1789 if (!XGIInitNew(pdev)) 1790 dev_err(&pdev->dev, "XGIInitNew() failed!\n"); 1791 1792 xgifb_info->mtrr = -1; 1793 1794 xgifb_info->hasVB = HASVB_NONE; 1795 if ((xgifb_info->chip == XG20) || 1796 (xgifb_info->chip == XG27)) { 1797 xgifb_info->hasVB = HASVB_NONE; 1798 } else if (xgifb_info->chip == XG21) { 1799 CR38 = xgifb_reg_get(XGICR, 0x38); 1800 if ((CR38&0xE0) == 0xC0) 1801 xgifb_info->display2 = XGIFB_DISP_LCD; 1802 else if ((CR38&0xE0) == 0x60) 1803 xgifb_info->hasVB = HASVB_CHRONTEL; 1804 else 1805 xgifb_info->hasVB = HASVB_NONE; 1806 } else { 1807 XGIfb_get_VB_type(xgifb_info); 1808 } 1809 1810 hw_info->ujVBChipID = VB_CHIP_UNKNOWN; 1811 1812 hw_info->ulExternalChip = 0; 1813 1814 switch (xgifb_info->hasVB) { 1815 case HASVB_301: 1816 reg = xgifb_reg_get(XGIPART4, 0x01); 1817 if (reg >= 0xE0) { 1818 hw_info->ujVBChipID = VB_CHIP_302LV; 1819 dev_info(&pdev->dev, 1820 "XGI302LV bridge detected (revision 0x%02x)\n", 1821 reg); 1822 } else if (reg >= 0xD0) { 1823 hw_info->ujVBChipID = VB_CHIP_301LV; 1824 dev_info(&pdev->dev, 1825 "XGI301LV bridge detected (revision 0x%02x)\n", 1826 reg); 1827 } else { 1828 hw_info->ujVBChipID = VB_CHIP_301; 1829 dev_info(&pdev->dev, "XGI301 bridge detected\n"); 1830 } 1831 break; 1832 case HASVB_302: 1833 reg = xgifb_reg_get(XGIPART4, 0x01); 1834 if (reg >= 0xE0) { 1835 hw_info->ujVBChipID = VB_CHIP_302LV; 1836 dev_info(&pdev->dev, 1837 "XGI302LV bridge detected (revision 0x%02x)\n", 1838 reg); 1839 } else if (reg >= 0xD0) { 1840 hw_info->ujVBChipID = VB_CHIP_301LV; 1841 dev_info(&pdev->dev, 1842 "XGI302LV bridge detected (revision 0x%02x)\n", 1843 reg); 1844 } else if (reg >= 0xB0) { 1845 reg1 = xgifb_reg_get(XGIPART4, 0x23); 1846 1847 hw_info->ujVBChipID = VB_CHIP_302B; 1848 1849 } else { 1850 hw_info->ujVBChipID = VB_CHIP_302; 1851 dev_info(&pdev->dev, "XGI302 bridge detected\n"); 1852 } 1853 break; 1854 case HASVB_LVDS: 1855 hw_info->ulExternalChip = 0x1; 1856 dev_info(&pdev->dev, "LVDS transmitter detected\n"); 1857 break; 1858 case HASVB_TRUMPION: 1859 hw_info->ulExternalChip = 0x2; 1860 dev_info(&pdev->dev, "Trumpion Zurac LVDS scaler detected\n"); 1861 break; 1862 case HASVB_CHRONTEL: 1863 hw_info->ulExternalChip = 0x4; 1864 dev_info(&pdev->dev, "Chrontel TV encoder detected\n"); 1865 break; 1866 case HASVB_LVDS_CHRONTEL: 1867 hw_info->ulExternalChip = 0x5; 1868 dev_info(&pdev->dev, 1869 "LVDS transmitter and Chrontel TV encoder detected\n"); 1870 break; 1871 default: 1872 dev_info(&pdev->dev, "No or unknown bridge type detected\n"); 1873 break; 1874 } 1875 1876 if (xgifb_info->hasVB != HASVB_NONE) 1877 XGIfb_detect_VB(xgifb_info); 1878 else if (xgifb_info->chip != XG21) 1879 xgifb_info->display2 = XGIFB_DISP_NONE; 1880 1881 if (xgifb_info->display2 == XGIFB_DISP_LCD) { 1882 if (!enable_dstn) { 1883 reg = xgifb_reg_get(XGICR, IND_XGI_LCD_PANEL); 1884 reg &= 0x0f; 1885 hw_info->ulCRT2LCDType = XGI310paneltype[reg]; 1886 } 1887 } 1888 1889 xgifb_info->mode_idx = -1; 1890 1891 if (mode) 1892 XGIfb_search_mode(xgifb_info, mode); 1893 else if (vesa != -1) 1894 XGIfb_search_vesamode(xgifb_info, vesa); 1895 1896 if (xgifb_info->mode_idx >= 0) 1897 xgifb_info->mode_idx = 1898 XGIfb_validate_mode(xgifb_info, xgifb_info->mode_idx); 1899 1900 if (xgifb_info->mode_idx < 0) { 1901 if (xgifb_info->display2 == XGIFB_DISP_LCD && 1902 xgifb_info->chip == XG21) 1903 xgifb_info->mode_idx = 1904 XGIfb_GetXG21DefaultLVDSModeIdx(xgifb_info); 1905 else 1906 xgifb_info->mode_idx = DEFAULT_MODE; 1907 } 1908 1909 if (xgifb_info->mode_idx < 0) { 1910 dev_err(&pdev->dev, "No supported video mode found\n"); 1911 ret = -EINVAL; 1912 goto error_1; 1913 } 1914 1915 /* set default refresh rate */ 1916 xgifb_info->refresh_rate = refresh_rate; 1917 if (xgifb_info->refresh_rate == 0) 1918 xgifb_info->refresh_rate = 60; 1919 if (XGIfb_search_refresh_rate(xgifb_info, 1920 xgifb_info->refresh_rate) == 0) { 1921 xgifb_info->rate_idx = 1; 1922 xgifb_info->refresh_rate = 60; 1923 } 1924 1925 xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp; 1926 xgifb_info->video_vwidth = 1927 xgifb_info->video_width = 1928 XGIbios_mode[xgifb_info->mode_idx].xres; 1929 xgifb_info->video_vheight = 1930 xgifb_info->video_height = 1931 XGIbios_mode[xgifb_info->mode_idx].yres; 1932 xgifb_info->org_x = xgifb_info->org_y = 0; 1933 xgifb_info->video_linelength = 1934 xgifb_info->video_width * 1935 (xgifb_info->video_bpp >> 3); 1936 switch (xgifb_info->video_bpp) { 1937 case 8: 1938 xgifb_info->DstColor = 0x0000; 1939 xgifb_info->XGI310_AccelDepth = 0x00000000; 1940 xgifb_info->video_cmap_len = 256; 1941 break; 1942 case 16: 1943 xgifb_info->DstColor = 0x8000; 1944 xgifb_info->XGI310_AccelDepth = 0x00010000; 1945 xgifb_info->video_cmap_len = 16; 1946 break; 1947 case 32: 1948 xgifb_info->DstColor = 0xC000; 1949 xgifb_info->XGI310_AccelDepth = 0x00020000; 1950 xgifb_info->video_cmap_len = 16; 1951 break; 1952 default: 1953 xgifb_info->video_cmap_len = 16; 1954 pr_info("Unsupported depth %d\n", 1955 xgifb_info->video_bpp); 1956 break; 1957 } 1958 1959 pr_info("Default mode is %dx%dx%d (%dHz)\n", 1960 xgifb_info->video_width, 1961 xgifb_info->video_height, 1962 xgifb_info->video_bpp, 1963 xgifb_info->refresh_rate); 1964 1965 fb_info->var.red.length = 8; 1966 fb_info->var.green.length = 8; 1967 fb_info->var.blue.length = 8; 1968 fb_info->var.activate = FB_ACTIVATE_NOW; 1969 fb_info->var.height = -1; 1970 fb_info->var.width = -1; 1971 fb_info->var.vmode = FB_VMODE_NONINTERLACED; 1972 fb_info->var.xres = xgifb_info->video_width; 1973 fb_info->var.xres_virtual = xgifb_info->video_width; 1974 fb_info->var.yres = xgifb_info->video_height; 1975 fb_info->var.yres_virtual = xgifb_info->video_height; 1976 fb_info->var.bits_per_pixel = xgifb_info->video_bpp; 1977 1978 XGIfb_bpp_to_var(xgifb_info, &fb_info->var); 1979 1980 fb_info->var.pixclock = (u32) (1000000000 / 1981 XGIfb_mode_rate_to_dclock(&xgifb_info->dev_info, 1982 hw_info, 1983 XGIbios_mode[xgifb_info->mode_idx].mode_no)); 1984 1985 if (XGIfb_mode_rate_to_ddata(&xgifb_info->dev_info, hw_info, 1986 XGIbios_mode[xgifb_info->mode_idx].mode_no, 1987 &fb_info->var.left_margin, 1988 &fb_info->var.right_margin, 1989 &fb_info->var.upper_margin, 1990 &fb_info->var.lower_margin, 1991 &fb_info->var.hsync_len, 1992 &fb_info->var.vsync_len, 1993 &fb_info->var.sync, 1994 &fb_info->var.vmode)) { 1995 1996 if ((fb_info->var.vmode & FB_VMODE_MASK) == 1997 FB_VMODE_INTERLACED) { 1998 fb_info->var.yres <<= 1; 1999 fb_info->var.yres_virtual <<= 1; 2000 } else if ((fb_info->var.vmode & FB_VMODE_MASK) == 2001 FB_VMODE_DOUBLE) { 2002 fb_info->var.pixclock >>= 1; 2003 fb_info->var.yres >>= 1; 2004 fb_info->var.yres_virtual >>= 1; 2005 } 2006 2007 } 2008 2009 fb_info->flags = FBINFO_FLAG_DEFAULT; 2010 fb_info->screen_base = xgifb_info->video_vbase; 2011 fb_info->fbops = &XGIfb_ops; 2012 XGIfb_get_fix(&fb_info->fix, -1, fb_info); 2013 fb_info->pseudo_palette = xgifb_info->pseudo_palette; 2014 2015 fb_alloc_cmap(&fb_info->cmap, 256 , 0); 2016 2017#ifdef CONFIG_MTRR 2018 xgifb_info->mtrr = mtrr_add(xgifb_info->video_base, 2019 xgifb_info->video_size, MTRR_TYPE_WRCOMB, 1); 2020 if (xgifb_info->mtrr >= 0) 2021 dev_info(&pdev->dev, "Added MTRR\n"); 2022#endif 2023 2024 if (register_framebuffer(fb_info) < 0) { 2025 ret = -EINVAL; 2026 goto error_mtrr; 2027 } 2028 2029 dumpVGAReg(); 2030 2031 return 0; 2032 2033error_mtrr: 2034#ifdef CONFIG_MTRR 2035 if (xgifb_info->mtrr >= 0) 2036 mtrr_del(xgifb_info->mtrr, xgifb_info->video_base, 2037 xgifb_info->video_size); 2038#endif /* CONFIG_MTRR */ 2039error_1: 2040 iounmap(xgifb_info->mmio_vbase); 2041 iounmap(xgifb_info->video_vbase); 2042 release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size); 2043error_0: 2044 release_mem_region(xgifb_info->video_base, xgifb_info->video_size); 2045error_disable: 2046 pci_disable_device(pdev); 2047error: 2048 framebuffer_release(fb_info); 2049 return ret; 2050} 2051 2052/*****************************************************/ 2053/* PCI DEVICE HANDLING */ 2054/*****************************************************/ 2055 2056static void xgifb_remove(struct pci_dev *pdev) 2057{ 2058 struct xgifb_video_info *xgifb_info = pci_get_drvdata(pdev); 2059 struct fb_info *fb_info = xgifb_info->fb_info; 2060 2061 unregister_framebuffer(fb_info); 2062#ifdef CONFIG_MTRR 2063 if (xgifb_info->mtrr >= 0) 2064 mtrr_del(xgifb_info->mtrr, xgifb_info->video_base, 2065 xgifb_info->video_size); 2066#endif /* CONFIG_MTRR */ 2067 iounmap(xgifb_info->mmio_vbase); 2068 iounmap(xgifb_info->video_vbase); 2069 release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size); 2070 release_mem_region(xgifb_info->video_base, xgifb_info->video_size); 2071 pci_disable_device(pdev); 2072 framebuffer_release(fb_info); 2073} 2074 2075static struct pci_driver xgifb_driver = { 2076 .name = "xgifb", 2077 .id_table = xgifb_pci_table, 2078 .probe = xgifb_probe, 2079 .remove = xgifb_remove 2080}; 2081 2082 2083 2084/*****************************************************/ 2085/* MODULE */ 2086/*****************************************************/ 2087 2088module_param(mode, charp, 0); 2089MODULE_PARM_DESC(mode, 2090 "Selects the desired default display mode in the format XxYxDepth (eg. 1024x768x16)."); 2091 2092module_param(forcecrt2type, charp, 0); 2093MODULE_PARM_DESC(forcecrt2type, 2094 "Force the second display output type. Possible values are NONE, LCD, TV, VGA, SVIDEO or COMPOSITE."); 2095 2096module_param(vesa, int, 0); 2097MODULE_PARM_DESC(vesa, 2098 "Selects the desired default display mode by VESA mode number (eg. 0x117)."); 2099 2100module_param(filter, int, 0); 2101MODULE_PARM_DESC(filter, 2102 "Selects TV flicker filter type (only for systems with a SiS301 video bridge). Possible values 0-7. Default: [no filter])."); 2103 2104static int __init xgifb_init(void) 2105{ 2106 char *option = NULL; 2107 2108 if (forcecrt2type != NULL) 2109 XGIfb_search_crt2type(forcecrt2type); 2110 if (fb_get_options("xgifb", &option)) 2111 return -ENODEV; 2112 XGIfb_setup(option); 2113 2114 return pci_register_driver(&xgifb_driver); 2115} 2116 2117static void __exit xgifb_remove_module(void) 2118{ 2119 pci_unregister_driver(&xgifb_driver); 2120 pr_debug("Module unloaded\n"); 2121} 2122 2123MODULE_DESCRIPTION("Z7 Z9 Z9S Z11 framebuffer device driver"); 2124MODULE_LICENSE("GPL"); 2125MODULE_AUTHOR("XGITECH , Others"); 2126module_init(xgifb_init); 2127module_exit(xgifb_remove_module); 2128