1/* 2 * linux/drivers/video/savagefb.c -- S3 Savage Framebuffer Driver 3 * 4 * Copyright (c) 2001-2002 Denis Oliver Kropp <dok@directfb.org> 5 * Sven Neumann <neo@directfb.org> 6 * 7 * 8 * Card specific code is based on XFree86's savage driver. 9 * Framebuffer framework code is based on code of cyber2000fb and tdfxfb. 10 * 11 * This file is subject to the terms and conditions of the GNU General 12 * Public License. See the file COPYING in the main directory of this 13 * archive for more details. 14 * 15 * 0.4.0 (neo) 16 * - hardware accelerated clear and move 17 * 18 * 0.3.2 (dok) 19 * - wait for vertical retrace before writing to cr67 20 * at the beginning of savagefb_set_par 21 * - use synchronization registers cr23 and cr26 22 * 23 * 0.3.1 (dok) 24 * - reset 3D engine 25 * - don't return alpha bits for 32bit format 26 * 27 * 0.3.0 (dok) 28 * - added WaitIdle functions for all Savage types 29 * - do WaitIdle before mode switching 30 * - code cleanup 31 * 32 * 0.2.0 (dok) 33 * - first working version 34 * 35 * 36 * TODO 37 * - clock validations in decode_var 38 * 39 * BUGS 40 * - white margin on bootup 41 * 42 */ 43 44#include <linux/module.h> 45#include <linux/kernel.h> 46#include <linux/errno.h> 47#include <linux/string.h> 48#include <linux/mm.h> 49#include <linux/slab.h> 50#include <linux/delay.h> 51#include <linux/fb.h> 52#include <linux/pci.h> 53#include <linux/init.h> 54#include <linux/console.h> 55 56#include <asm/io.h> 57#include <asm/irq.h> 58#include <asm/pgtable.h> 59 60#ifdef CONFIG_MTRR 61#include <asm/mtrr.h> 62#endif 63 64#include "savagefb.h" 65 66 67#define SAVAGEFB_VERSION "0.4.0_2.6" 68 69/* --------------------------------------------------------------------- */ 70 71 72static char *mode_option __devinitdata = NULL; 73 74#ifdef MODULE 75 76MODULE_AUTHOR("(c) 2001-2002 Denis Oliver Kropp <dok@directfb.org>"); 77MODULE_LICENSE("GPL"); 78MODULE_DESCRIPTION("FBDev driver for S3 Savage PCI/AGP Chips"); 79 80#endif 81 82 83/* --------------------------------------------------------------------- */ 84 85static void vgaHWSeqReset(struct savagefb_par *par, int start) 86{ 87 if (start) 88 VGAwSEQ(0x00, 0x01, par); /* Synchronous Reset */ 89 else 90 VGAwSEQ(0x00, 0x03, par); /* End Reset */ 91} 92 93static void vgaHWProtect(struct savagefb_par *par, int on) 94{ 95 unsigned char tmp; 96 97 if (on) { 98 /* 99 * Turn off screen and disable sequencer. 100 */ 101 tmp = VGArSEQ(0x01, par); 102 103 vgaHWSeqReset(par, 1); /* start synchronous reset */ 104 VGAwSEQ(0x01, tmp | 0x20, par);/* disable the display */ 105 106 VGAenablePalette(par); 107 } else { 108 /* 109 * Reenable sequencer, then turn on screen. 110 */ 111 112 tmp = VGArSEQ(0x01, par); 113 114 VGAwSEQ(0x01, tmp & ~0x20, par);/* reenable display */ 115 vgaHWSeqReset(par, 0); /* clear synchronous reset */ 116 117 VGAdisablePalette(par); 118 } 119} 120 121static void vgaHWRestore(struct savagefb_par *par, struct savage_reg *reg) 122{ 123 int i; 124 125 VGAwMISC(reg->MiscOutReg, par); 126 127 for (i = 1; i < 5; i++) 128 VGAwSEQ(i, reg->Sequencer[i], par); 129 130 /* Ensure CRTC registers 0-7 are unlocked by clearing bit 7 or 131 CRTC[17] */ 132 VGAwCR(17, reg->CRTC[17] & ~0x80, par); 133 134 for (i = 0; i < 25; i++) 135 VGAwCR(i, reg->CRTC[i], par); 136 137 for (i = 0; i < 9; i++) 138 VGAwGR(i, reg->Graphics[i], par); 139 140 VGAenablePalette(par); 141 142 for (i = 0; i < 21; i++) 143 VGAwATTR(i, reg->Attribute[i], par); 144 145 VGAdisablePalette(par); 146} 147 148static void vgaHWInit(struct fb_var_screeninfo *var, 149 struct savagefb_par *par, 150 struct xtimings *timings, 151 struct savage_reg *reg) 152{ 153 reg->MiscOutReg = 0x23; 154 155 if (!(timings->sync & FB_SYNC_HOR_HIGH_ACT)) 156 reg->MiscOutReg |= 0x40; 157 158 if (!(timings->sync & FB_SYNC_VERT_HIGH_ACT)) 159 reg->MiscOutReg |= 0x80; 160 161 /* 162 * Time Sequencer 163 */ 164 reg->Sequencer[0x00] = 0x00; 165 reg->Sequencer[0x01] = 0x01; 166 reg->Sequencer[0x02] = 0x0F; 167 reg->Sequencer[0x03] = 0x00; /* Font select */ 168 reg->Sequencer[0x04] = 0x0E; /* Misc */ 169 170 /* 171 * CRTC Controller 172 */ 173 reg->CRTC[0x00] = (timings->HTotal >> 3) - 5; 174 reg->CRTC[0x01] = (timings->HDisplay >> 3) - 1; 175 reg->CRTC[0x02] = (timings->HSyncStart >> 3) - 1; 176 reg->CRTC[0x03] = (((timings->HSyncEnd >> 3) - 1) & 0x1f) | 0x80; 177 reg->CRTC[0x04] = (timings->HSyncStart >> 3); 178 reg->CRTC[0x05] = ((((timings->HSyncEnd >> 3) - 1) & 0x20) << 2) | 179 (((timings->HSyncEnd >> 3)) & 0x1f); 180 reg->CRTC[0x06] = (timings->VTotal - 2) & 0xFF; 181 reg->CRTC[0x07] = (((timings->VTotal - 2) & 0x100) >> 8) | 182 (((timings->VDisplay - 1) & 0x100) >> 7) | 183 ((timings->VSyncStart & 0x100) >> 6) | 184 (((timings->VSyncStart - 1) & 0x100) >> 5) | 185 0x10 | 186 (((timings->VTotal - 2) & 0x200) >> 4) | 187 (((timings->VDisplay - 1) & 0x200) >> 3) | 188 ((timings->VSyncStart & 0x200) >> 2); 189 reg->CRTC[0x08] = 0x00; 190 reg->CRTC[0x09] = (((timings->VSyncStart - 1) & 0x200) >> 4) | 0x40; 191 192 if (timings->dblscan) 193 reg->CRTC[0x09] |= 0x80; 194 195 reg->CRTC[0x0a] = 0x00; 196 reg->CRTC[0x0b] = 0x00; 197 reg->CRTC[0x0c] = 0x00; 198 reg->CRTC[0x0d] = 0x00; 199 reg->CRTC[0x0e] = 0x00; 200 reg->CRTC[0x0f] = 0x00; 201 reg->CRTC[0x10] = timings->VSyncStart & 0xff; 202 reg->CRTC[0x11] = (timings->VSyncEnd & 0x0f) | 0x20; 203 reg->CRTC[0x12] = (timings->VDisplay - 1) & 0xff; 204 reg->CRTC[0x13] = var->xres_virtual >> 4; 205 reg->CRTC[0x14] = 0x00; 206 reg->CRTC[0x15] = (timings->VSyncStart - 1) & 0xff; 207 reg->CRTC[0x16] = (timings->VSyncEnd - 1) & 0xff; 208 reg->CRTC[0x17] = 0xc3; 209 reg->CRTC[0x18] = 0xff; 210 211 /* 212 * are these unnecessary? 213 * vgaHWHBlankKGA(mode, regp, 0, KGA_FIX_OVERSCAN|KGA_ENABLE_ON_ZERO); 214 * vgaHWVBlankKGA(mode, regp, 0, KGA_FIX_OVERSCAN|KGA_ENABLE_ON_ZERO); 215 */ 216 217 /* 218 * Graphics Display Controller 219 */ 220 reg->Graphics[0x00] = 0x00; 221 reg->Graphics[0x01] = 0x00; 222 reg->Graphics[0x02] = 0x00; 223 reg->Graphics[0x03] = 0x00; 224 reg->Graphics[0x04] = 0x00; 225 reg->Graphics[0x05] = 0x40; 226 reg->Graphics[0x06] = 0x05; /* only map 64k VGA memory !!!! */ 227 reg->Graphics[0x07] = 0x0F; 228 reg->Graphics[0x08] = 0xFF; 229 230 231 reg->Attribute[0x00] = 0x00; /* standard colormap translation */ 232 reg->Attribute[0x01] = 0x01; 233 reg->Attribute[0x02] = 0x02; 234 reg->Attribute[0x03] = 0x03; 235 reg->Attribute[0x04] = 0x04; 236 reg->Attribute[0x05] = 0x05; 237 reg->Attribute[0x06] = 0x06; 238 reg->Attribute[0x07] = 0x07; 239 reg->Attribute[0x08] = 0x08; 240 reg->Attribute[0x09] = 0x09; 241 reg->Attribute[0x0a] = 0x0A; 242 reg->Attribute[0x0b] = 0x0B; 243 reg->Attribute[0x0c] = 0x0C; 244 reg->Attribute[0x0d] = 0x0D; 245 reg->Attribute[0x0e] = 0x0E; 246 reg->Attribute[0x0f] = 0x0F; 247 reg->Attribute[0x10] = 0x41; 248 reg->Attribute[0x11] = 0xFF; 249 reg->Attribute[0x12] = 0x0F; 250 reg->Attribute[0x13] = 0x00; 251 reg->Attribute[0x14] = 0x00; 252} 253 254/* -------------------- Hardware specific routines ------------------------- */ 255 256/* 257 * Hardware Acceleration for SavageFB 258 */ 259 260/* Wait for fifo space */ 261static void 262savage3D_waitfifo(struct savagefb_par *par, int space) 263{ 264 int slots = MAXFIFO - space; 265 266 while ((savage_in32(0x48C00, par) & 0x0000ffff) > slots); 267} 268 269static void 270savage4_waitfifo(struct savagefb_par *par, int space) 271{ 272 int slots = MAXFIFO - space; 273 274 while ((savage_in32(0x48C60, par) & 0x001fffff) > slots); 275} 276 277static void 278savage2000_waitfifo(struct savagefb_par *par, int space) 279{ 280 int slots = MAXFIFO - space; 281 282 while ((savage_in32(0x48C60, par) & 0x0000ffff) > slots); 283} 284 285/* Wait for idle accelerator */ 286static void 287savage3D_waitidle(struct savagefb_par *par) 288{ 289 while ((savage_in32(0x48C00, par) & 0x0008ffff) != 0x80000); 290} 291 292static void 293savage4_waitidle(struct savagefb_par *par) 294{ 295 while ((savage_in32(0x48C60, par) & 0x00a00000) != 0x00a00000); 296} 297 298static void 299savage2000_waitidle(struct savagefb_par *par) 300{ 301 while ((savage_in32(0x48C60, par) & 0x009fffff)); 302} 303 304#ifdef CONFIG_FB_SAVAGE_ACCEL 305static void 306SavageSetup2DEngine(struct savagefb_par *par) 307{ 308 unsigned long GlobalBitmapDescriptor; 309 310 GlobalBitmapDescriptor = 1 | 8 | BCI_BD_BW_DISABLE; 311 BCI_BD_SET_BPP(GlobalBitmapDescriptor, par->depth); 312 BCI_BD_SET_STRIDE(GlobalBitmapDescriptor, par->vwidth); 313 314 switch(par->chip) { 315 case S3_SAVAGE3D: 316 case S3_SAVAGE_MX: 317 /* Disable BCI */ 318 savage_out32(0x48C18, savage_in32(0x48C18, par) & 0x3FF0, par); 319 /* Setup BCI command overflow buffer */ 320 savage_out32(0x48C14, 321 (par->cob_offset >> 11) | (par->cob_index << 29), 322 par); 323 /* Program shadow status update. */ 324 savage_out32(0x48C10, 0x78207220, par); 325 savage_out32(0x48C0C, 0, par); 326 /* Enable BCI and command overflow buffer */ 327 savage_out32(0x48C18, savage_in32(0x48C18, par) | 0x0C, par); 328 break; 329 case S3_SAVAGE4: 330 case S3_TWISTER: 331 case S3_PROSAVAGE: 332 case S3_PROSAVAGEDDR: 333 case S3_SUPERSAVAGE: 334 /* Disable BCI */ 335 savage_out32(0x48C18, savage_in32(0x48C18, par) & 0x3FF0, par); 336 /* Program shadow status update */ 337 savage_out32(0x48C10, 0x00700040, par); 338 savage_out32(0x48C0C, 0, par); 339 /* Enable BCI without the COB */ 340 savage_out32(0x48C18, savage_in32(0x48C18, par) | 0x08, par); 341 break; 342 case S3_SAVAGE2000: 343 /* Disable BCI */ 344 savage_out32(0x48C18, 0, par); 345 /* Setup BCI command overflow buffer */ 346 savage_out32(0x48C18, 347 (par->cob_offset >> 7) | (par->cob_index), 348 par); 349 /* Disable shadow status update */ 350 savage_out32(0x48A30, 0, par); 351 /* Enable BCI and command overflow buffer */ 352 savage_out32(0x48C18, savage_in32(0x48C18, par) | 0x00280000, 353 par); 354 break; 355 default: 356 break; 357 } 358 /* Turn on 16-bit register access. */ 359 vga_out8(0x3d4, 0x31, par); 360 vga_out8(0x3d5, 0x0c, par); 361 362 /* Set stride to use GBD. */ 363 vga_out8(0x3d4, 0x50, par); 364 vga_out8(0x3d5, vga_in8(0x3d5, par) | 0xC1, par); 365 366 /* Enable 2D engine. */ 367 vga_out8(0x3d4, 0x40, par); 368 vga_out8(0x3d5, 0x01, par); 369 370 savage_out32(MONO_PAT_0, ~0, par); 371 savage_out32(MONO_PAT_1, ~0, par); 372 373 /* Setup plane masks */ 374 savage_out32(0x8128, ~0, par); /* enable all write planes */ 375 savage_out32(0x812C, ~0, par); /* enable all read planes */ 376 savage_out16(0x8134, 0x27, par); 377 savage_out16(0x8136, 0x07, par); 378 379 /* Now set the GBD */ 380 par->bci_ptr = 0; 381 par->SavageWaitFifo(par, 4); 382 383 BCI_SEND(BCI_CMD_SETREG | (1 << 16) | BCI_GBD1); 384 BCI_SEND(0); 385 BCI_SEND(BCI_CMD_SETREG | (1 << 16) | BCI_GBD2); 386 BCI_SEND(GlobalBitmapDescriptor); 387 388 /* 389 * I don't know why, sending this twice fixes the initial black screen, 390 * prevents X from crashing at least in Toshiba laptops with SavageIX. 391 * --Tony 392 */ 393 par->bci_ptr = 0; 394 par->SavageWaitFifo(par, 4); 395 396 BCI_SEND(BCI_CMD_SETREG | (1 << 16) | BCI_GBD1); 397 BCI_SEND(0); 398 BCI_SEND(BCI_CMD_SETREG | (1 << 16) | BCI_GBD2); 399 BCI_SEND(GlobalBitmapDescriptor); 400} 401 402static void savagefb_set_clip(struct fb_info *info) 403{ 404 struct savagefb_par *par = info->par; 405 int cmd; 406 407 cmd = BCI_CMD_NOP | BCI_CMD_CLIP_NEW; 408 par->bci_ptr = 0; 409 par->SavageWaitFifo(par,3); 410 BCI_SEND(cmd); 411 BCI_SEND(BCI_CLIP_TL(0, 0)); 412 BCI_SEND(BCI_CLIP_BR(0xfff, 0xfff)); 413} 414#else 415static void SavageSetup2DEngine(struct savagefb_par *par) {} 416 417#endif 418 419static void SavageCalcClock(long freq, int min_m, int min_n1, int max_n1, 420 int min_n2, int max_n2, long freq_min, 421 long freq_max, unsigned int *mdiv, 422 unsigned int *ndiv, unsigned int *r) 423{ 424 long diff, best_diff; 425 unsigned int m; 426 unsigned char n1, n2, best_n1=16+2, best_n2=2, best_m=125+2; 427 428 if (freq < freq_min / (1 << max_n2)) { 429 printk(KERN_ERR "invalid frequency %ld Khz\n", freq); 430 freq = freq_min / (1 << max_n2); 431 } 432 if (freq > freq_max / (1 << min_n2)) { 433 printk(KERN_ERR "invalid frequency %ld Khz\n", freq); 434 freq = freq_max / (1 << min_n2); 435 } 436 437 /* work out suitable timings */ 438 best_diff = freq; 439 440 for (n2=min_n2; n2<=max_n2; n2++) { 441 for (n1=min_n1+2; n1<=max_n1+2; n1++) { 442 m = (freq * n1 * (1 << n2) + HALF_BASE_FREQ) / 443 BASE_FREQ; 444 if (m < min_m+2 || m > 127+2) 445 continue; 446 if ((m * BASE_FREQ >= freq_min * n1) && 447 (m * BASE_FREQ <= freq_max * n1)) { 448 diff = freq * (1 << n2) * n1 - BASE_FREQ * m; 449 if (diff < 0) 450 diff = -diff; 451 if (diff < best_diff) { 452 best_diff = diff; 453 best_m = m; 454 best_n1 = n1; 455 best_n2 = n2; 456 } 457 } 458 } 459 } 460 461 *ndiv = best_n1 - 2; 462 *r = best_n2; 463 *mdiv = best_m - 2; 464} 465 466static int common_calc_clock(long freq, int min_m, int min_n1, int max_n1, 467 int min_n2, int max_n2, long freq_min, 468 long freq_max, unsigned char *mdiv, 469 unsigned char *ndiv) 470{ 471 long diff, best_diff; 472 unsigned int m; 473 unsigned char n1, n2; 474 unsigned char best_n1 = 16+2, best_n2 = 2, best_m = 125+2; 475 476 best_diff = freq; 477 478 for (n2 = min_n2; n2 <= max_n2; n2++) { 479 for (n1 = min_n1+2; n1 <= max_n1+2; n1++) { 480 m = (freq * n1 * (1 << n2) + HALF_BASE_FREQ) / 481 BASE_FREQ; 482 if (m < min_m + 2 || m > 127+2) 483 continue; 484 if ((m * BASE_FREQ >= freq_min * n1) && 485 (m * BASE_FREQ <= freq_max * n1)) { 486 diff = freq * (1 << n2) * n1 - BASE_FREQ * m; 487 if (diff < 0) 488 diff = -diff; 489 if (diff < best_diff) { 490 best_diff = diff; 491 best_m = m; 492 best_n1 = n1; 493 best_n2 = n2; 494 } 495 } 496 } 497 } 498 499 if (max_n1 == 63) 500 *ndiv = (best_n1 - 2) | (best_n2 << 6); 501 else 502 *ndiv = (best_n1 - 2) | (best_n2 << 5); 503 504 *mdiv = best_m - 2; 505 506 return 0; 507} 508 509#ifdef SAVAGEFB_DEBUG 510/* This function is used to debug, it prints out the contents of s3 regs */ 511 512static void SavagePrintRegs(struct savagefb_par *par) 513{ 514 unsigned char i; 515 int vgaCRIndex = 0x3d4; 516 int vgaCRReg = 0x3d5; 517 518 printk(KERN_DEBUG "SR x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 xA xB xC xD xE " 519 "xF"); 520 521 for (i = 0; i < 0x70; i++) { 522 if (!(i % 16)) 523 printk(KERN_DEBUG "\nSR%xx ", i >> 4); 524 vga_out8(0x3c4, i, par); 525 printk(KERN_DEBUG " %02x", vga_in8(0x3c5, par)); 526 } 527 528 printk(KERN_DEBUG "\n\nCR x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 xA xB xC " 529 "xD xE xF"); 530 531 for (i = 0; i < 0xB7; i++) { 532 if (!(i % 16)) 533 printk(KERN_DEBUG "\nCR%xx ", i >> 4); 534 vga_out8(vgaCRIndex, i, par); 535 printk(KERN_DEBUG " %02x", vga_in8(vgaCRReg, par)); 536 } 537 538 printk(KERN_DEBUG "\n\n"); 539} 540#endif 541 542/* --------------------------------------------------------------------- */ 543 544static void savage_get_default_par(struct savagefb_par *par, struct savage_reg *reg) 545{ 546 unsigned char cr3a, cr53, cr66; 547 548 vga_out16(0x3d4, 0x4838, par); 549 vga_out16(0x3d4, 0xa039, par); 550 vga_out16(0x3c4, 0x0608, par); 551 552 vga_out8(0x3d4, 0x66, par); 553 cr66 = vga_in8(0x3d5, par); 554 vga_out8(0x3d5, cr66 | 0x80, par); 555 vga_out8(0x3d4, 0x3a, par); 556 cr3a = vga_in8(0x3d5, par); 557 vga_out8(0x3d5, cr3a | 0x80, par); 558 vga_out8(0x3d4, 0x53, par); 559 cr53 = vga_in8(0x3d5, par); 560 vga_out8(0x3d5, cr53 & 0x7f, par); 561 562 vga_out8(0x3d4, 0x66, par); 563 vga_out8(0x3d5, cr66, par); 564 vga_out8(0x3d4, 0x3a, par); 565 vga_out8(0x3d5, cr3a, par); 566 567 vga_out8(0x3d4, 0x66, par); 568 vga_out8(0x3d5, cr66, par); 569 vga_out8(0x3d4, 0x3a, par); 570 vga_out8(0x3d5, cr3a, par); 571 572 /* unlock extended seq regs */ 573 vga_out8(0x3c4, 0x08, par); 574 reg->SR08 = vga_in8(0x3c5, par); 575 vga_out8(0x3c5, 0x06, par); 576 577 /* now save all the extended regs we need */ 578 vga_out8(0x3d4, 0x31, par); 579 reg->CR31 = vga_in8(0x3d5, par); 580 vga_out8(0x3d4, 0x32, par); 581 reg->CR32 = vga_in8(0x3d5, par); 582 vga_out8(0x3d4, 0x34, par); 583 reg->CR34 = vga_in8(0x3d5, par); 584 vga_out8(0x3d4, 0x36, par); 585 reg->CR36 = vga_in8(0x3d5, par); 586 vga_out8(0x3d4, 0x3a, par); 587 reg->CR3A = vga_in8(0x3d5, par); 588 vga_out8(0x3d4, 0x40, par); 589 reg->CR40 = vga_in8(0x3d5, par); 590 vga_out8(0x3d4, 0x42, par); 591 reg->CR42 = vga_in8(0x3d5, par); 592 vga_out8(0x3d4, 0x45, par); 593 reg->CR45 = vga_in8(0x3d5, par); 594 vga_out8(0x3d4, 0x50, par); 595 reg->CR50 = vga_in8(0x3d5, par); 596 vga_out8(0x3d4, 0x51, par); 597 reg->CR51 = vga_in8(0x3d5, par); 598 vga_out8(0x3d4, 0x53, par); 599 reg->CR53 = vga_in8(0x3d5, par); 600 vga_out8(0x3d4, 0x58, par); 601 reg->CR58 = vga_in8(0x3d5, par); 602 vga_out8(0x3d4, 0x60, par); 603 reg->CR60 = vga_in8(0x3d5, par); 604 vga_out8(0x3d4, 0x66, par); 605 reg->CR66 = vga_in8(0x3d5, par); 606 vga_out8(0x3d4, 0x67, par); 607 reg->CR67 = vga_in8(0x3d5, par); 608 vga_out8(0x3d4, 0x68, par); 609 reg->CR68 = vga_in8(0x3d5, par); 610 vga_out8(0x3d4, 0x69, par); 611 reg->CR69 = vga_in8(0x3d5, par); 612 vga_out8(0x3d4, 0x6f, par); 613 reg->CR6F = vga_in8(0x3d5, par); 614 615 vga_out8(0x3d4, 0x33, par); 616 reg->CR33 = vga_in8(0x3d5, par); 617 vga_out8(0x3d4, 0x86, par); 618 reg->CR86 = vga_in8(0x3d5, par); 619 vga_out8(0x3d4, 0x88, par); 620 reg->CR88 = vga_in8(0x3d5, par); 621 vga_out8(0x3d4, 0x90, par); 622 reg->CR90 = vga_in8(0x3d5, par); 623 vga_out8(0x3d4, 0x91, par); 624 reg->CR91 = vga_in8(0x3d5, par); 625 vga_out8(0x3d4, 0xb0, par); 626 reg->CRB0 = vga_in8(0x3d5, par) | 0x80; 627 628 /* extended mode timing regs */ 629 vga_out8(0x3d4, 0x3b, par); 630 reg->CR3B = vga_in8(0x3d5, par); 631 vga_out8(0x3d4, 0x3c, par); 632 reg->CR3C = vga_in8(0x3d5, par); 633 vga_out8(0x3d4, 0x43, par); 634 reg->CR43 = vga_in8(0x3d5, par); 635 vga_out8(0x3d4, 0x5d, par); 636 reg->CR5D = vga_in8(0x3d5, par); 637 vga_out8(0x3d4, 0x5e, par); 638 reg->CR5E = vga_in8(0x3d5, par); 639 vga_out8(0x3d4, 0x65, par); 640 reg->CR65 = vga_in8(0x3d5, par); 641 642 /* save seq extended regs for DCLK PLL programming */ 643 vga_out8(0x3c4, 0x0e, par); 644 reg->SR0E = vga_in8(0x3c5, par); 645 vga_out8(0x3c4, 0x0f, par); 646 reg->SR0F = vga_in8(0x3c5, par); 647 vga_out8(0x3c4, 0x10, par); 648 reg->SR10 = vga_in8(0x3c5, par); 649 vga_out8(0x3c4, 0x11, par); 650 reg->SR11 = vga_in8(0x3c5, par); 651 vga_out8(0x3c4, 0x12, par); 652 reg->SR12 = vga_in8(0x3c5, par); 653 vga_out8(0x3c4, 0x13, par); 654 reg->SR13 = vga_in8(0x3c5, par); 655 vga_out8(0x3c4, 0x29, par); 656 reg->SR29 = vga_in8(0x3c5, par); 657 658 vga_out8(0x3c4, 0x15, par); 659 reg->SR15 = vga_in8(0x3c5, par); 660 vga_out8(0x3c4, 0x30, par); 661 reg->SR30 = vga_in8(0x3c5, par); 662 vga_out8(0x3c4, 0x18, par); 663 reg->SR18 = vga_in8(0x3c5, par); 664 665 /* Save flat panel expansion regsters. */ 666 if (par->chip == S3_SAVAGE_MX) { 667 int i; 668 669 for (i = 0; i < 8; i++) { 670 vga_out8(0x3c4, 0x54+i, par); 671 reg->SR54[i] = vga_in8(0x3c5, par); 672 } 673 } 674 675 vga_out8(0x3d4, 0x66, par); 676 cr66 = vga_in8(0x3d5, par); 677 vga_out8(0x3d5, cr66 | 0x80, par); 678 vga_out8(0x3d4, 0x3a, par); 679 cr3a = vga_in8(0x3d5, par); 680 vga_out8(0x3d5, cr3a | 0x80, par); 681 682 /* now save MIU regs */ 683 if (par->chip != S3_SAVAGE_MX) { 684 reg->MMPR0 = savage_in32(FIFO_CONTROL_REG, par); 685 reg->MMPR1 = savage_in32(MIU_CONTROL_REG, par); 686 reg->MMPR2 = savage_in32(STREAMS_TIMEOUT_REG, par); 687 reg->MMPR3 = savage_in32(MISC_TIMEOUT_REG, par); 688 } 689 690 vga_out8(0x3d4, 0x3a, par); 691 vga_out8(0x3d5, cr3a, par); 692 vga_out8(0x3d4, 0x66, par); 693 vga_out8(0x3d5, cr66, par); 694} 695 696static void savage_set_default_par(struct savagefb_par *par, 697 struct savage_reg *reg) 698{ 699 unsigned char cr3a, cr53, cr66; 700 701 vga_out16(0x3d4, 0x4838, par); 702 vga_out16(0x3d4, 0xa039, par); 703 vga_out16(0x3c4, 0x0608, par); 704 705 vga_out8(0x3d4, 0x66, par); 706 cr66 = vga_in8(0x3d5, par); 707 vga_out8(0x3d5, cr66 | 0x80, par); 708 vga_out8(0x3d4, 0x3a, par); 709 cr3a = vga_in8(0x3d5, par); 710 vga_out8(0x3d5, cr3a | 0x80, par); 711 vga_out8(0x3d4, 0x53, par); 712 cr53 = vga_in8(0x3d5, par); 713 vga_out8(0x3d5, cr53 & 0x7f, par); 714 715 vga_out8(0x3d4, 0x66, par); 716 vga_out8(0x3d5, cr66, par); 717 vga_out8(0x3d4, 0x3a, par); 718 vga_out8(0x3d5, cr3a, par); 719 720 vga_out8(0x3d4, 0x66, par); 721 vga_out8(0x3d5, cr66, par); 722 vga_out8(0x3d4, 0x3a, par); 723 vga_out8(0x3d5, cr3a, par); 724 725 /* unlock extended seq regs */ 726 vga_out8(0x3c4, 0x08, par); 727 vga_out8(0x3c5, reg->SR08, par); 728 vga_out8(0x3c5, 0x06, par); 729 730 /* now restore all the extended regs we need */ 731 vga_out8(0x3d4, 0x31, par); 732 vga_out8(0x3d5, reg->CR31, par); 733 vga_out8(0x3d4, 0x32, par); 734 vga_out8(0x3d5, reg->CR32, par); 735 vga_out8(0x3d4, 0x34, par); 736 vga_out8(0x3d5, reg->CR34, par); 737 vga_out8(0x3d4, 0x36, par); 738 vga_out8(0x3d5,reg->CR36, par); 739 vga_out8(0x3d4, 0x3a, par); 740 vga_out8(0x3d5, reg->CR3A, par); 741 vga_out8(0x3d4, 0x40, par); 742 vga_out8(0x3d5, reg->CR40, par); 743 vga_out8(0x3d4, 0x42, par); 744 vga_out8(0x3d5, reg->CR42, par); 745 vga_out8(0x3d4, 0x45, par); 746 vga_out8(0x3d5, reg->CR45, par); 747 vga_out8(0x3d4, 0x50, par); 748 vga_out8(0x3d5, reg->CR50, par); 749 vga_out8(0x3d4, 0x51, par); 750 vga_out8(0x3d5, reg->CR51, par); 751 vga_out8(0x3d4, 0x53, par); 752 vga_out8(0x3d5, reg->CR53, par); 753 vga_out8(0x3d4, 0x58, par); 754 vga_out8(0x3d5, reg->CR58, par); 755 vga_out8(0x3d4, 0x60, par); 756 vga_out8(0x3d5, reg->CR60, par); 757 vga_out8(0x3d4, 0x66, par); 758 vga_out8(0x3d5, reg->CR66, par); 759 vga_out8(0x3d4, 0x67, par); 760 vga_out8(0x3d5, reg->CR67, par); 761 vga_out8(0x3d4, 0x68, par); 762 vga_out8(0x3d5, reg->CR68, par); 763 vga_out8(0x3d4, 0x69, par); 764 vga_out8(0x3d5, reg->CR69, par); 765 vga_out8(0x3d4, 0x6f, par); 766 vga_out8(0x3d5, reg->CR6F, par); 767 768 vga_out8(0x3d4, 0x33, par); 769 vga_out8(0x3d5, reg->CR33, par); 770 vga_out8(0x3d4, 0x86, par); 771 vga_out8(0x3d5, reg->CR86, par); 772 vga_out8(0x3d4, 0x88, par); 773 vga_out8(0x3d5, reg->CR88, par); 774 vga_out8(0x3d4, 0x90, par); 775 vga_out8(0x3d5, reg->CR90, par); 776 vga_out8(0x3d4, 0x91, par); 777 vga_out8(0x3d5, reg->CR91, par); 778 vga_out8(0x3d4, 0xb0, par); 779 vga_out8(0x3d5, reg->CRB0, par); 780 781 /* extended mode timing regs */ 782 vga_out8(0x3d4, 0x3b, par); 783 vga_out8(0x3d5, reg->CR3B, par); 784 vga_out8(0x3d4, 0x3c, par); 785 vga_out8(0x3d5, reg->CR3C, par); 786 vga_out8(0x3d4, 0x43, par); 787 vga_out8(0x3d5, reg->CR43, par); 788 vga_out8(0x3d4, 0x5d, par); 789 vga_out8(0x3d5, reg->CR5D, par); 790 vga_out8(0x3d4, 0x5e, par); 791 vga_out8(0x3d5, reg->CR5E, par); 792 vga_out8(0x3d4, 0x65, par); 793 vga_out8(0x3d5, reg->CR65, par); 794 795 /* save seq extended regs for DCLK PLL programming */ 796 vga_out8(0x3c4, 0x0e, par); 797 vga_out8(0x3c5, reg->SR0E, par); 798 vga_out8(0x3c4, 0x0f, par); 799 vga_out8(0x3c5, reg->SR0F, par); 800 vga_out8(0x3c4, 0x10, par); 801 vga_out8(0x3c5, reg->SR10, par); 802 vga_out8(0x3c4, 0x11, par); 803 vga_out8(0x3c5, reg->SR11, par); 804 vga_out8(0x3c4, 0x12, par); 805 vga_out8(0x3c5, reg->SR12, par); 806 vga_out8(0x3c4, 0x13, par); 807 vga_out8(0x3c5, reg->SR13, par); 808 vga_out8(0x3c4, 0x29, par); 809 vga_out8(0x3c5, reg->SR29, par); 810 811 vga_out8(0x3c4, 0x15, par); 812 vga_out8(0x3c5, reg->SR15, par); 813 vga_out8(0x3c4, 0x30, par); 814 vga_out8(0x3c5, reg->SR30, par); 815 vga_out8(0x3c4, 0x18, par); 816 vga_out8(0x3c5, reg->SR18, par); 817 818 /* Save flat panel expansion regsters. */ 819 if (par->chip == S3_SAVAGE_MX) { 820 int i; 821 822 for (i = 0; i < 8; i++) { 823 vga_out8(0x3c4, 0x54+i, par); 824 vga_out8(0x3c5, reg->SR54[i], par); 825 } 826 } 827 828 vga_out8(0x3d4, 0x66, par); 829 cr66 = vga_in8(0x3d5, par); 830 vga_out8(0x3d5, cr66 | 0x80, par); 831 vga_out8(0x3d4, 0x3a, par); 832 cr3a = vga_in8(0x3d5, par); 833 vga_out8(0x3d5, cr3a | 0x80, par); 834 835 /* now save MIU regs */ 836 if (par->chip != S3_SAVAGE_MX) { 837 savage_out32(FIFO_CONTROL_REG, reg->MMPR0, par); 838 savage_out32(MIU_CONTROL_REG, reg->MMPR1, par); 839 savage_out32(STREAMS_TIMEOUT_REG, reg->MMPR2, par); 840 savage_out32(MISC_TIMEOUT_REG, reg->MMPR3, par); 841 } 842 843 vga_out8(0x3d4, 0x3a, par); 844 vga_out8(0x3d5, cr3a, par); 845 vga_out8(0x3d4, 0x66, par); 846 vga_out8(0x3d5, cr66, par); 847} 848 849static void savage_update_var(struct fb_var_screeninfo *var, 850 const struct fb_videomode *modedb) 851{ 852 var->xres = var->xres_virtual = modedb->xres; 853 var->yres = modedb->yres; 854 if (var->yres_virtual < var->yres) 855 var->yres_virtual = var->yres; 856 var->xoffset = var->yoffset = 0; 857 var->pixclock = modedb->pixclock; 858 var->left_margin = modedb->left_margin; 859 var->right_margin = modedb->right_margin; 860 var->upper_margin = modedb->upper_margin; 861 var->lower_margin = modedb->lower_margin; 862 var->hsync_len = modedb->hsync_len; 863 var->vsync_len = modedb->vsync_len; 864 var->sync = modedb->sync; 865 var->vmode = modedb->vmode; 866} 867 868static int savagefb_check_var(struct fb_var_screeninfo *var, 869 struct fb_info *info) 870{ 871 struct savagefb_par *par = info->par; 872 int memlen, vramlen, mode_valid = 0; 873 874 DBG("savagefb_check_var"); 875 876 var->transp.offset = 0; 877 var->transp.length = 0; 878 switch (var->bits_per_pixel) { 879 case 8: 880 var->red.offset = var->green.offset = 881 var->blue.offset = 0; 882 var->red.length = var->green.length = 883 var->blue.length = var->bits_per_pixel; 884 break; 885 case 16: 886 var->red.offset = 11; 887 var->red.length = 5; 888 var->green.offset = 5; 889 var->green.length = 6; 890 var->blue.offset = 0; 891 var->blue.length = 5; 892 break; 893 case 32: 894 var->transp.offset = 24; 895 var->transp.length = 8; 896 var->red.offset = 16; 897 var->red.length = 8; 898 var->green.offset = 8; 899 var->green.length = 8; 900 var->blue.offset = 0; 901 var->blue.length = 8; 902 break; 903 904 default: 905 return -EINVAL; 906 } 907 908 if (!info->monspecs.hfmax || !info->monspecs.vfmax || 909 !info->monspecs.dclkmax || !fb_validate_mode(var, info)) 910 mode_valid = 1; 911 912 /* calculate modeline if supported by monitor */ 913 if (!mode_valid && info->monspecs.gtf) { 914 if (!fb_get_mode(FB_MAXTIMINGS, 0, var, info)) 915 mode_valid = 1; 916 } 917 918 if (!mode_valid) { 919 const struct fb_videomode *mode; 920 921 mode = fb_find_best_mode(var, &info->modelist); 922 if (mode) { 923 savage_update_var(var, mode); 924 mode_valid = 1; 925 } 926 } 927 928 if (!mode_valid && info->monspecs.modedb_len) 929 return -EINVAL; 930 931 /* Is the mode larger than the LCD panel? */ 932 if (par->SavagePanelWidth && 933 (var->xres > par->SavagePanelWidth || 934 var->yres > par->SavagePanelHeight)) { 935 printk(KERN_INFO "Mode (%dx%d) larger than the LCD panel " 936 "(%dx%d)\n", var->xres, var->yres, 937 par->SavagePanelWidth, 938 par->SavagePanelHeight); 939 return -1; 940 } 941 942 if (var->yres_virtual < var->yres) 943 var->yres_virtual = var->yres; 944 if (var->xres_virtual < var->xres) 945 var->xres_virtual = var->xres; 946 947 vramlen = info->fix.smem_len; 948 949 memlen = var->xres_virtual * var->bits_per_pixel * 950 var->yres_virtual / 8; 951 if (memlen > vramlen) { 952 var->yres_virtual = vramlen * 8 / 953 (var->xres_virtual * var->bits_per_pixel); 954 memlen = var->xres_virtual * var->bits_per_pixel * 955 var->yres_virtual / 8; 956 } 957 958 /* we must round yres/xres down, we already rounded y/xres_virtual up 959 if it was possible. We should return -EINVAL, but I disagree */ 960 if (var->yres_virtual < var->yres) 961 var->yres = var->yres_virtual; 962 if (var->xres_virtual < var->xres) 963 var->xres = var->xres_virtual; 964 if (var->xoffset + var->xres > var->xres_virtual) 965 var->xoffset = var->xres_virtual - var->xres; 966 if (var->yoffset + var->yres > var->yres_virtual) 967 var->yoffset = var->yres_virtual - var->yres; 968 969 return 0; 970} 971 972 973static int savagefb_decode_var(struct fb_var_screeninfo *var, 974 struct savagefb_par *par, 975 struct savage_reg *reg) 976{ 977 struct xtimings timings; 978 int width, dclk, i, j; /*, refresh; */ 979 unsigned int m, n, r; 980 unsigned char tmp = 0; 981 unsigned int pixclock = var->pixclock; 982 983 DBG("savagefb_decode_var"); 984 985 memset(&timings, 0, sizeof(timings)); 986 987 if (!pixclock) pixclock = 10000; /* 10ns = 100MHz */ 988 timings.Clock = 1000000000 / pixclock; 989 if (timings.Clock < 1) timings.Clock = 1; 990 timings.dblscan = var->vmode & FB_VMODE_DOUBLE; 991 timings.interlaced = var->vmode & FB_VMODE_INTERLACED; 992 timings.HDisplay = var->xres; 993 timings.HSyncStart = timings.HDisplay + var->right_margin; 994 timings.HSyncEnd = timings.HSyncStart + var->hsync_len; 995 timings.HTotal = timings.HSyncEnd + var->left_margin; 996 timings.VDisplay = var->yres; 997 timings.VSyncStart = timings.VDisplay + var->lower_margin; 998 timings.VSyncEnd = timings.VSyncStart + var->vsync_len; 999 timings.VTotal = timings.VSyncEnd + var->upper_margin; 1000 timings.sync = var->sync; 1001 1002 1003 par->depth = var->bits_per_pixel; 1004 par->vwidth = var->xres_virtual; 1005 1006 if (var->bits_per_pixel == 16 && par->chip == S3_SAVAGE3D) { 1007 timings.HDisplay *= 2; 1008 timings.HSyncStart *= 2; 1009 timings.HSyncEnd *= 2; 1010 timings.HTotal *= 2; 1011 } 1012 1013 /* 1014 * This will allocate the datastructure and initialize all of the 1015 * generic VGA registers. 1016 */ 1017 vgaHWInit(var, par, &timings, reg); 1018 1019 /* We need to set CR67 whether or not we use the BIOS. */ 1020 1021 dclk = timings.Clock; 1022 reg->CR67 = 0x00; 1023 1024 switch(var->bits_per_pixel) { 1025 case 8: 1026 if ((par->chip == S3_SAVAGE2000) && (dclk >= 230000)) 1027 reg->CR67 = 0x10; /* 8bpp, 2 pixels/clock */ 1028 else 1029 reg->CR67 = 0x00; /* 8bpp, 1 pixel/clock */ 1030 break; 1031 case 15: 1032 if (S3_SAVAGE_MOBILE_SERIES(par->chip) || 1033 ((par->chip == S3_SAVAGE2000) && (dclk >= 230000))) 1034 reg->CR67 = 0x30; /* 15bpp, 2 pixel/clock */ 1035 else 1036 reg->CR67 = 0x20; /* 15bpp, 1 pixels/clock */ 1037 break; 1038 case 16: 1039 if (S3_SAVAGE_MOBILE_SERIES(par->chip) || 1040 ((par->chip == S3_SAVAGE2000) && (dclk >= 230000))) 1041 reg->CR67 = 0x50; /* 16bpp, 2 pixel/clock */ 1042 else 1043 reg->CR67 = 0x40; /* 16bpp, 1 pixels/clock */ 1044 break; 1045 case 24: 1046 reg->CR67 = 0x70; 1047 break; 1048 case 32: 1049 reg->CR67 = 0xd0; 1050 break; 1051 } 1052 1053 /* 1054 * Either BIOS use is disabled, or we failed to find a suitable 1055 * match. Fall back to traditional register-crunching. 1056 */ 1057 1058 vga_out8(0x3d4, 0x3a, par); 1059 tmp = vga_in8(0x3d5, par); 1060 if (1 /*FIXME:psav->pci_burst*/) 1061 reg->CR3A = (tmp & 0x7f) | 0x15; 1062 else 1063 reg->CR3A = tmp | 0x95; 1064 1065 reg->CR53 = 0x00; 1066 reg->CR31 = 0x8c; 1067 reg->CR66 = 0x89; 1068 1069 vga_out8(0x3d4, 0x58, par); 1070 reg->CR58 = vga_in8(0x3d5, par) & 0x80; 1071 reg->CR58 |= 0x13; 1072 1073 reg->SR15 = 0x03 | 0x80; 1074 reg->SR18 = 0x00; 1075 reg->CR43 = reg->CR45 = reg->CR65 = 0x00; 1076 1077 vga_out8(0x3d4, 0x40, par); 1078 reg->CR40 = vga_in8(0x3d5, par) & ~0x01; 1079 1080 reg->MMPR0 = 0x010400; 1081 reg->MMPR1 = 0x00; 1082 reg->MMPR2 = 0x0808; 1083 reg->MMPR3 = 0x08080810; 1084 1085 SavageCalcClock(dclk, 1, 1, 127, 0, 4, 180000, 360000, &m, &n, &r); 1086 /* m = 107; n = 4; r = 2; */ 1087 1088 if (par->MCLK <= 0) { 1089 reg->SR10 = 255; 1090 reg->SR11 = 255; 1091 } else { 1092 common_calc_clock(par->MCLK, 1, 1, 31, 0, 3, 135000, 270000, 1093 ®->SR11, ®->SR10); 1094 /* reg->SR10 = 80; // MCLK == 286000 */ 1095 /* reg->SR11 = 125; */ 1096 } 1097 1098 reg->SR12 = (r << 6) | (n & 0x3f); 1099 reg->SR13 = m & 0xff; 1100 reg->SR29 = (r & 4) | (m & 0x100) >> 5 | (n & 0x40) >> 2; 1101 1102 if (var->bits_per_pixel < 24) 1103 reg->MMPR0 -= 0x8000; 1104 else 1105 reg->MMPR0 -= 0x4000; 1106 1107 if (timings.interlaced) 1108 reg->CR42 = 0x20; 1109 else 1110 reg->CR42 = 0x00; 1111 1112 reg->CR34 = 0x10; /* display fifo */ 1113 1114 i = ((((timings.HTotal >> 3) - 5) & 0x100) >> 8) | 1115 ((((timings.HDisplay >> 3) - 1) & 0x100) >> 7) | 1116 ((((timings.HSyncStart >> 3) - 1) & 0x100) >> 6) | 1117 ((timings.HSyncStart & 0x800) >> 7); 1118 1119 if ((timings.HSyncEnd >> 3) - (timings.HSyncStart >> 3) > 64) 1120 i |= 0x08; 1121 if ((timings.HSyncEnd >> 3) - (timings.HSyncStart >> 3) > 32) 1122 i |= 0x20; 1123 1124 j = (reg->CRTC[0] + ((i & 0x01) << 8) + 1125 reg->CRTC[4] + ((i & 0x10) << 4) + 1) / 2; 1126 1127 if (j - (reg->CRTC[4] + ((i & 0x10) << 4)) < 4) { 1128 if (reg->CRTC[4] + ((i & 0x10) << 4) + 4 <= 1129 reg->CRTC[0] + ((i & 0x01) << 8)) 1130 j = reg->CRTC[4] + ((i & 0x10) << 4) + 4; 1131 else 1132 j = reg->CRTC[0] + ((i & 0x01) << 8) + 1; 1133 } 1134 1135 reg->CR3B = j & 0xff; 1136 i |= (j & 0x100) >> 2; 1137 reg->CR3C = (reg->CRTC[0] + ((i & 0x01) << 8)) / 2; 1138 reg->CR5D = i; 1139 reg->CR5E = (((timings.VTotal - 2) & 0x400) >> 10) | 1140 (((timings.VDisplay - 1) & 0x400) >> 9) | 1141 (((timings.VSyncStart) & 0x400) >> 8) | 1142 (((timings.VSyncStart) & 0x400) >> 6) | 0x40; 1143 width = (var->xres_virtual * ((var->bits_per_pixel+7) / 8)) >> 3; 1144 reg->CR91 = reg->CRTC[19] = 0xff & width; 1145 reg->CR51 = (0x300 & width) >> 4; 1146 reg->CR90 = 0x80 | (width >> 8); 1147 reg->MiscOutReg |= 0x0c; 1148 1149 /* Set frame buffer description. */ 1150 1151 if (var->bits_per_pixel <= 8) 1152 reg->CR50 = 0; 1153 else if (var->bits_per_pixel <= 16) 1154 reg->CR50 = 0x10; 1155 else 1156 reg->CR50 = 0x30; 1157 1158 if (var->xres_virtual <= 640) 1159 reg->CR50 |= 0x40; 1160 else if (var->xres_virtual == 800) 1161 reg->CR50 |= 0x80; 1162 else if (var->xres_virtual == 1024) 1163 reg->CR50 |= 0x00; 1164 else if (var->xres_virtual == 1152) 1165 reg->CR50 |= 0x01; 1166 else if (var->xres_virtual == 1280) 1167 reg->CR50 |= 0xc0; 1168 else if (var->xres_virtual == 1600) 1169 reg->CR50 |= 0x81; 1170 else 1171 reg->CR50 |= 0xc1; /* Use GBD */ 1172 1173 if (par->chip == S3_SAVAGE2000) 1174 reg->CR33 = 0x08; 1175 else 1176 reg->CR33 = 0x20; 1177 1178 reg->CRTC[0x17] = 0xeb; 1179 1180 reg->CR67 |= 1; 1181 1182 vga_out8(0x3d4, 0x36, par); 1183 reg->CR36 = vga_in8(0x3d5, par); 1184 vga_out8(0x3d4, 0x68, par); 1185 reg->CR68 = vga_in8(0x3d5, par); 1186 reg->CR69 = 0; 1187 vga_out8(0x3d4, 0x6f, par); 1188 reg->CR6F = vga_in8(0x3d5, par); 1189 vga_out8(0x3d4, 0x86, par); 1190 reg->CR86 = vga_in8(0x3d5, par); 1191 vga_out8(0x3d4, 0x88, par); 1192 reg->CR88 = vga_in8(0x3d5, par) | 0x08; 1193 vga_out8(0x3d4, 0xb0, par); 1194 reg->CRB0 = vga_in8(0x3d5, par) | 0x80; 1195 1196 return 0; 1197} 1198 1199/* --------------------------------------------------------------------- */ 1200 1201/* 1202 * Set a single color register. Return != 0 for invalid regno. 1203 */ 1204static int savagefb_setcolreg(unsigned regno, 1205 unsigned red, 1206 unsigned green, 1207 unsigned blue, 1208 unsigned transp, 1209 struct fb_info *info) 1210{ 1211 struct savagefb_par *par = info->par; 1212 1213 if (regno >= NR_PALETTE) 1214 return -EINVAL; 1215 1216 par->palette[regno].red = red; 1217 par->palette[regno].green = green; 1218 par->palette[regno].blue = blue; 1219 par->palette[regno].transp = transp; 1220 1221 switch (info->var.bits_per_pixel) { 1222 case 8: 1223 vga_out8(0x3c8, regno, par); 1224 1225 vga_out8(0x3c9, red >> 10, par); 1226 vga_out8(0x3c9, green >> 10, par); 1227 vga_out8(0x3c9, blue >> 10, par); 1228 break; 1229 1230 case 16: 1231 if (regno < 16) 1232 ((u32 *)info->pseudo_palette)[regno] = 1233 ((red & 0xf800) ) | 1234 ((green & 0xfc00) >> 5) | 1235 ((blue & 0xf800) >> 11); 1236 break; 1237 1238 case 24: 1239 if (regno < 16) 1240 ((u32 *)info->pseudo_palette)[regno] = 1241 ((red & 0xff00) << 8) | 1242 ((green & 0xff00) ) | 1243 ((blue & 0xff00) >> 8); 1244 break; 1245 case 32: 1246 if (regno < 16) 1247 ((u32 *)info->pseudo_palette)[regno] = 1248 ((transp & 0xff00) << 16) | 1249 ((red & 0xff00) << 8) | 1250 ((green & 0xff00) ) | 1251 ((blue & 0xff00) >> 8); 1252 break; 1253 1254 default: 1255 return 1; 1256 } 1257 1258 return 0; 1259} 1260 1261static void savagefb_set_par_int(struct savagefb_par *par, struct savage_reg *reg) 1262{ 1263 unsigned char tmp, cr3a, cr66, cr67; 1264 1265 DBG("savagefb_set_par_int"); 1266 1267 par->SavageWaitIdle(par); 1268 1269 vga_out8(0x3c2, 0x23, par); 1270 1271 vga_out16(0x3d4, 0x4838, par); 1272 vga_out16(0x3d4, 0xa539, par); 1273 vga_out16(0x3c4, 0x0608, par); 1274 1275 vgaHWProtect(par, 1); 1276 1277 /* 1278 * Some Savage/MX and /IX systems go nuts when trying to exit the 1279 * server after WindowMaker has displayed a gradient background. I 1280 * haven't been able to find what causes it, but a non-destructive 1281 * switch to mode 3 here seems to eliminate the issue. 1282 */ 1283 1284 VerticalRetraceWait(par); 1285 vga_out8(0x3d4, 0x67, par); 1286 cr67 = vga_in8(0x3d5, par); 1287 vga_out8(0x3d5, cr67/*par->CR67*/ & ~0x0c, par); /* no STREAMS yet */ 1288 1289 vga_out8(0x3d4, 0x23, par); 1290 vga_out8(0x3d5, 0x00, par); 1291 vga_out8(0x3d4, 0x26, par); 1292 vga_out8(0x3d5, 0x00, par); 1293 1294 /* restore extended regs */ 1295 vga_out8(0x3d4, 0x66, par); 1296 vga_out8(0x3d5, reg->CR66, par); 1297 vga_out8(0x3d4, 0x3a, par); 1298 vga_out8(0x3d5, reg->CR3A, par); 1299 vga_out8(0x3d4, 0x31, par); 1300 vga_out8(0x3d5, reg->CR31, par); 1301 vga_out8(0x3d4, 0x32, par); 1302 vga_out8(0x3d5, reg->CR32, par); 1303 vga_out8(0x3d4, 0x58, par); 1304 vga_out8(0x3d5, reg->CR58, par); 1305 vga_out8(0x3d4, 0x53, par); 1306 vga_out8(0x3d5, reg->CR53 & 0x7f, par); 1307 1308 vga_out16(0x3c4, 0x0608, par); 1309 1310 /* Restore DCLK registers. */ 1311 1312 vga_out8(0x3c4, 0x0e, par); 1313 vga_out8(0x3c5, reg->SR0E, par); 1314 vga_out8(0x3c4, 0x0f, par); 1315 vga_out8(0x3c5, reg->SR0F, par); 1316 vga_out8(0x3c4, 0x29, par); 1317 vga_out8(0x3c5, reg->SR29, par); 1318 vga_out8(0x3c4, 0x15, par); 1319 vga_out8(0x3c5, reg->SR15, par); 1320 1321 /* Restore flat panel expansion regsters. */ 1322 if (par->chip == S3_SAVAGE_MX) { 1323 int i; 1324 1325 for (i = 0; i < 8; i++) { 1326 vga_out8(0x3c4, 0x54+i, par); 1327 vga_out8(0x3c5, reg->SR54[i], par); 1328 } 1329 } 1330 1331 vgaHWRestore (par, reg); 1332 1333 /* extended mode timing registers */ 1334 vga_out8(0x3d4, 0x53, par); 1335 vga_out8(0x3d5, reg->CR53, par); 1336 vga_out8(0x3d4, 0x5d, par); 1337 vga_out8(0x3d5, reg->CR5D, par); 1338 vga_out8(0x3d4, 0x5e, par); 1339 vga_out8(0x3d5, reg->CR5E, par); 1340 vga_out8(0x3d4, 0x3b, par); 1341 vga_out8(0x3d5, reg->CR3B, par); 1342 vga_out8(0x3d4, 0x3c, par); 1343 vga_out8(0x3d5, reg->CR3C, par); 1344 vga_out8(0x3d4, 0x43, par); 1345 vga_out8(0x3d5, reg->CR43, par); 1346 vga_out8(0x3d4, 0x65, par); 1347 vga_out8(0x3d5, reg->CR65, par); 1348 1349 /* restore the desired video mode with cr67 */ 1350 vga_out8(0x3d4, 0x67, par); 1351 /* following part not present in X11 driver */ 1352 cr67 = vga_in8(0x3d5, par) & 0xf; 1353 vga_out8(0x3d5, 0x50 | cr67, par); 1354 udelay(10000); 1355 vga_out8(0x3d4, 0x67, par); 1356 /* end of part */ 1357 vga_out8(0x3d5, reg->CR67 & ~0x0c, par); 1358 1359 /* other mode timing and extended regs */ 1360 vga_out8(0x3d4, 0x34, par); 1361 vga_out8(0x3d5, reg->CR34, par); 1362 vga_out8(0x3d4, 0x40, par); 1363 vga_out8(0x3d5, reg->CR40, par); 1364 vga_out8(0x3d4, 0x42, par); 1365 vga_out8(0x3d5, reg->CR42, par); 1366 vga_out8(0x3d4, 0x45, par); 1367 vga_out8(0x3d5, reg->CR45, par); 1368 vga_out8(0x3d4, 0x50, par); 1369 vga_out8(0x3d5, reg->CR50, par); 1370 vga_out8(0x3d4, 0x51, par); 1371 vga_out8(0x3d5, reg->CR51, par); 1372 1373 /* memory timings */ 1374 vga_out8(0x3d4, 0x36, par); 1375 vga_out8(0x3d5, reg->CR36, par); 1376 vga_out8(0x3d4, 0x60, par); 1377 vga_out8(0x3d5, reg->CR60, par); 1378 vga_out8(0x3d4, 0x68, par); 1379 vga_out8(0x3d5, reg->CR68, par); 1380 vga_out8(0x3d4, 0x69, par); 1381 vga_out8(0x3d5, reg->CR69, par); 1382 vga_out8(0x3d4, 0x6f, par); 1383 vga_out8(0x3d5, reg->CR6F, par); 1384 1385 vga_out8(0x3d4, 0x33, par); 1386 vga_out8(0x3d5, reg->CR33, par); 1387 vga_out8(0x3d4, 0x86, par); 1388 vga_out8(0x3d5, reg->CR86, par); 1389 vga_out8(0x3d4, 0x88, par); 1390 vga_out8(0x3d5, reg->CR88, par); 1391 vga_out8(0x3d4, 0x90, par); 1392 vga_out8(0x3d5, reg->CR90, par); 1393 vga_out8(0x3d4, 0x91, par); 1394 vga_out8(0x3d5, reg->CR91, par); 1395 1396 if (par->chip == S3_SAVAGE4) { 1397 vga_out8(0x3d4, 0xb0, par); 1398 vga_out8(0x3d5, reg->CRB0, par); 1399 } 1400 1401 vga_out8(0x3d4, 0x32, par); 1402 vga_out8(0x3d5, reg->CR32, par); 1403 1404 /* unlock extended seq regs */ 1405 vga_out8(0x3c4, 0x08, par); 1406 vga_out8(0x3c5, 0x06, par); 1407 1408 /* Restore extended sequencer regs for MCLK. SR10 == 255 indicates 1409 * that we should leave the default SR10 and SR11 values there. 1410 */ 1411 if (reg->SR10 != 255) { 1412 vga_out8(0x3c4, 0x10, par); 1413 vga_out8(0x3c5, reg->SR10, par); 1414 vga_out8(0x3c4, 0x11, par); 1415 vga_out8(0x3c5, reg->SR11, par); 1416 } 1417 1418 /* restore extended seq regs for dclk */ 1419 vga_out8(0x3c4, 0x0e, par); 1420 vga_out8(0x3c5, reg->SR0E, par); 1421 vga_out8(0x3c4, 0x0f, par); 1422 vga_out8(0x3c5, reg->SR0F, par); 1423 vga_out8(0x3c4, 0x12, par); 1424 vga_out8(0x3c5, reg->SR12, par); 1425 vga_out8(0x3c4, 0x13, par); 1426 vga_out8(0x3c5, reg->SR13, par); 1427 vga_out8(0x3c4, 0x29, par); 1428 vga_out8(0x3c5, reg->SR29, par); 1429 vga_out8(0x3c4, 0x18, par); 1430 vga_out8(0x3c5, reg->SR18, par); 1431 1432 /* load new m, n pll values for dclk & mclk */ 1433 vga_out8(0x3c4, 0x15, par); 1434 tmp = vga_in8(0x3c5, par) & ~0x21; 1435 1436 vga_out8(0x3c5, tmp | 0x03, par); 1437 vga_out8(0x3c5, tmp | 0x23, par); 1438 vga_out8(0x3c5, tmp | 0x03, par); 1439 vga_out8(0x3c5, reg->SR15, par); 1440 udelay(100); 1441 1442 vga_out8(0x3c4, 0x30, par); 1443 vga_out8(0x3c5, reg->SR30, par); 1444 vga_out8(0x3c4, 0x08, par); 1445 vga_out8(0x3c5, reg->SR08, par); 1446 1447 /* now write out cr67 in full, possibly starting STREAMS */ 1448 VerticalRetraceWait(par); 1449 vga_out8(0x3d4, 0x67, par); 1450 vga_out8(0x3d5, reg->CR67, par); 1451 1452 vga_out8(0x3d4, 0x66, par); 1453 cr66 = vga_in8(0x3d5, par); 1454 vga_out8(0x3d5, cr66 | 0x80, par); 1455 vga_out8(0x3d4, 0x3a, par); 1456 cr3a = vga_in8(0x3d5, par); 1457 vga_out8(0x3d5, cr3a | 0x80, par); 1458 1459 if (par->chip != S3_SAVAGE_MX) { 1460 VerticalRetraceWait(par); 1461 savage_out32(FIFO_CONTROL_REG, reg->MMPR0, par); 1462 par->SavageWaitIdle(par); 1463 savage_out32(MIU_CONTROL_REG, reg->MMPR1, par); 1464 par->SavageWaitIdle(par); 1465 savage_out32(STREAMS_TIMEOUT_REG, reg->MMPR2, par); 1466 par->SavageWaitIdle(par); 1467 savage_out32(MISC_TIMEOUT_REG, reg->MMPR3, par); 1468 } 1469 1470 vga_out8(0x3d4, 0x66, par); 1471 vga_out8(0x3d5, cr66, par); 1472 vga_out8(0x3d4, 0x3a, par); 1473 vga_out8(0x3d5, cr3a, par); 1474 1475 SavageSetup2DEngine(par); 1476 vgaHWProtect(par, 0); 1477} 1478 1479static void savagefb_update_start(struct savagefb_par *par, int base) 1480{ 1481 /* program the start address registers */ 1482 vga_out16(0x3d4, (base & 0x00ff00) | 0x0c, par); 1483 vga_out16(0x3d4, ((base & 0x00ff) << 8) | 0x0d, par); 1484 vga_out8(0x3d4, 0x69, par); 1485 vga_out8(0x3d5, (base & 0x7f0000) >> 16, par); 1486} 1487 1488 1489static void savagefb_set_fix(struct fb_info *info) 1490{ 1491 info->fix.line_length = info->var.xres_virtual * 1492 info->var.bits_per_pixel / 8; 1493 1494 if (info->var.bits_per_pixel == 8) { 1495 info->fix.visual = FB_VISUAL_PSEUDOCOLOR; 1496 info->fix.xpanstep = 4; 1497 } else { 1498 info->fix.visual = FB_VISUAL_TRUECOLOR; 1499 info->fix.xpanstep = 2; 1500 } 1501 1502} 1503 1504static int savagefb_set_par(struct fb_info *info) 1505{ 1506 struct savagefb_par *par = info->par; 1507 struct fb_var_screeninfo *var = &info->var; 1508 int err; 1509 1510 DBG("savagefb_set_par"); 1511 err = savagefb_decode_var(var, par, &par->state); 1512 if (err) 1513 return err; 1514 1515 if (par->dacSpeedBpp <= 0) { 1516 if (var->bits_per_pixel > 24) 1517 par->dacSpeedBpp = par->clock[3]; 1518 else if (var->bits_per_pixel >= 24) 1519 par->dacSpeedBpp = par->clock[2]; 1520 else if ((var->bits_per_pixel > 8) && (var->bits_per_pixel < 24)) 1521 par->dacSpeedBpp = par->clock[1]; 1522 else if (var->bits_per_pixel <= 8) 1523 par->dacSpeedBpp = par->clock[0]; 1524 } 1525 1526 /* Set ramdac limits */ 1527 par->maxClock = par->dacSpeedBpp; 1528 par->minClock = 10000; 1529 1530 savagefb_set_par_int(par, &par->state); 1531 fb_set_cmap(&info->cmap, info); 1532 savagefb_set_fix(info); 1533 savagefb_set_clip(info); 1534 1535 SavagePrintRegs(par); 1536 return 0; 1537} 1538 1539/* 1540 * Pan or Wrap the Display 1541 */ 1542static int savagefb_pan_display(struct fb_var_screeninfo *var, 1543 struct fb_info *info) 1544{ 1545 struct savagefb_par *par = info->par; 1546 int base; 1547 1548 base = (var->yoffset * info->fix.line_length 1549 + (var->xoffset & ~1) * ((info->var.bits_per_pixel+7) / 8)) >> 2; 1550 1551 savagefb_update_start(par, base); 1552 return 0; 1553} 1554 1555static int savagefb_blank(int blank, struct fb_info *info) 1556{ 1557 struct savagefb_par *par = info->par; 1558 u8 sr8 = 0, srd = 0; 1559 1560 if (par->display_type == DISP_CRT) { 1561 vga_out8(0x3c4, 0x08, par); 1562 sr8 = vga_in8(0x3c5, par); 1563 sr8 |= 0x06; 1564 vga_out8(0x3c5, sr8, par); 1565 vga_out8(0x3c4, 0x0d, par); 1566 srd = vga_in8(0x3c5, par); 1567 srd &= 0x50; 1568 1569 switch (blank) { 1570 case FB_BLANK_UNBLANK: 1571 case FB_BLANK_NORMAL: 1572 break; 1573 case FB_BLANK_VSYNC_SUSPEND: 1574 srd |= 0x10; 1575 break; 1576 case FB_BLANK_HSYNC_SUSPEND: 1577 srd |= 0x40; 1578 break; 1579 case FB_BLANK_POWERDOWN: 1580 srd |= 0x50; 1581 break; 1582 } 1583 1584 vga_out8(0x3c4, 0x0d, par); 1585 vga_out8(0x3c5, srd, par); 1586 } 1587 1588 if (par->display_type == DISP_LCD || 1589 par->display_type == DISP_DFP) { 1590 switch(blank) { 1591 case FB_BLANK_UNBLANK: 1592 case FB_BLANK_NORMAL: 1593 vga_out8(0x3c4, 0x31, par); /* SR31 bit 4 - FP enable */ 1594 vga_out8(0x3c5, vga_in8(0x3c5, par) | 0x10, par); 1595 break; 1596 case FB_BLANK_VSYNC_SUSPEND: 1597 case FB_BLANK_HSYNC_SUSPEND: 1598 case FB_BLANK_POWERDOWN: 1599 vga_out8(0x3c4, 0x31, par); /* SR31 bit 4 - FP enable */ 1600 vga_out8(0x3c5, vga_in8(0x3c5, par) & ~0x10, par); 1601 break; 1602 } 1603 } 1604 1605 return (blank == FB_BLANK_NORMAL) ? 1 : 0; 1606} 1607 1608static int savagefb_open(struct fb_info *info, int user) 1609{ 1610 struct savagefb_par *par = info->par; 1611 1612 mutex_lock(&par->open_lock); 1613 1614 if (!par->open_count) { 1615 memset(&par->vgastate, 0, sizeof(par->vgastate)); 1616 par->vgastate.flags = VGA_SAVE_CMAP | VGA_SAVE_FONTS | 1617 VGA_SAVE_MODE; 1618 par->vgastate.vgabase = par->mmio.vbase + 0x8000; 1619 save_vga(&par->vgastate); 1620 savage_get_default_par(par, &par->initial); 1621 } 1622 1623 par->open_count++; 1624 mutex_unlock(&par->open_lock); 1625 return 0; 1626} 1627 1628static int savagefb_release(struct fb_info *info, int user) 1629{ 1630 struct savagefb_par *par = info->par; 1631 1632 mutex_lock(&par->open_lock); 1633 1634 if (par->open_count == 1) { 1635 savage_set_default_par(par, &par->initial); 1636 restore_vga(&par->vgastate); 1637 } 1638 1639 par->open_count--; 1640 mutex_unlock(&par->open_lock); 1641 return 0; 1642} 1643 1644static struct fb_ops savagefb_ops = { 1645 .owner = THIS_MODULE, 1646 .fb_open = savagefb_open, 1647 .fb_release = savagefb_release, 1648 .fb_check_var = savagefb_check_var, 1649 .fb_set_par = savagefb_set_par, 1650 .fb_setcolreg = savagefb_setcolreg, 1651 .fb_pan_display = savagefb_pan_display, 1652 .fb_blank = savagefb_blank, 1653#if defined(CONFIG_FB_SAVAGE_ACCEL) 1654 .fb_fillrect = savagefb_fillrect, 1655 .fb_copyarea = savagefb_copyarea, 1656 .fb_imageblit = savagefb_imageblit, 1657 .fb_sync = savagefb_sync, 1658#else 1659 .fb_fillrect = cfb_fillrect, 1660 .fb_copyarea = cfb_copyarea, 1661 .fb_imageblit = cfb_imageblit, 1662#endif 1663}; 1664 1665/* --------------------------------------------------------------------- */ 1666 1667static struct fb_var_screeninfo __devinitdata savagefb_var800x600x8 = { 1668 .accel_flags = FB_ACCELF_TEXT, 1669 .xres = 800, 1670 .yres = 600, 1671 .xres_virtual = 800, 1672 .yres_virtual = 600, 1673 .bits_per_pixel = 8, 1674 .pixclock = 25000, 1675 .left_margin = 88, 1676 .right_margin = 40, 1677 .upper_margin = 23, 1678 .lower_margin = 1, 1679 .hsync_len = 128, 1680 .vsync_len = 4, 1681 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 1682 .vmode = FB_VMODE_NONINTERLACED 1683}; 1684 1685static void savage_enable_mmio(struct savagefb_par *par) 1686{ 1687 unsigned char val; 1688 1689 DBG("savage_enable_mmio\n"); 1690 1691 val = vga_in8(0x3c3, par); 1692 vga_out8(0x3c3, val | 0x01, par); 1693 val = vga_in8(0x3cc, par); 1694 vga_out8(0x3c2, val | 0x01, par); 1695 1696 if (par->chip >= S3_SAVAGE4) { 1697 vga_out8(0x3d4, 0x40, par); 1698 val = vga_in8(0x3d5, par); 1699 vga_out8(0x3d5, val | 1, par); 1700 } 1701} 1702 1703 1704static void savage_disable_mmio(struct savagefb_par *par) 1705{ 1706 unsigned char val; 1707 1708 DBG("savage_disable_mmio\n"); 1709 1710 if (par->chip >= S3_SAVAGE4) { 1711 vga_out8(0x3d4, 0x40, par); 1712 val = vga_in8(0x3d5, par); 1713 vga_out8(0x3d5, val | 1, par); 1714 } 1715} 1716 1717 1718static int __devinit savage_map_mmio(struct fb_info *info) 1719{ 1720 struct savagefb_par *par = info->par; 1721 DBG("savage_map_mmio"); 1722 1723 if (S3_SAVAGE3D_SERIES(par->chip)) 1724 par->mmio.pbase = pci_resource_start(par->pcidev, 0) + 1725 SAVAGE_NEWMMIO_REGBASE_S3; 1726 else 1727 par->mmio.pbase = pci_resource_start(par->pcidev, 0) + 1728 SAVAGE_NEWMMIO_REGBASE_S4; 1729 1730 par->mmio.len = SAVAGE_NEWMMIO_REGSIZE; 1731 1732 par->mmio.vbase = ioremap(par->mmio.pbase, par->mmio.len); 1733 if (!par->mmio.vbase) { 1734 printk("savagefb: unable to map memory mapped IO\n"); 1735 return -ENOMEM; 1736 } else 1737 printk(KERN_INFO "savagefb: mapped io at %p\n", 1738 par->mmio.vbase); 1739 1740 info->fix.mmio_start = par->mmio.pbase; 1741 info->fix.mmio_len = par->mmio.len; 1742 1743 par->bci_base = (u32 __iomem *)(par->mmio.vbase + BCI_BUFFER_OFFSET); 1744 par->bci_ptr = 0; 1745 1746 savage_enable_mmio(par); 1747 1748 return 0; 1749} 1750 1751static void savage_unmap_mmio(struct fb_info *info) 1752{ 1753 struct savagefb_par *par = info->par; 1754 DBG("savage_unmap_mmio"); 1755 1756 savage_disable_mmio(par); 1757 1758 if (par->mmio.vbase) { 1759 iounmap(par->mmio.vbase); 1760 par->mmio.vbase = NULL; 1761 } 1762} 1763 1764static int __devinit savage_map_video(struct fb_info *info, 1765 int video_len) 1766{ 1767 struct savagefb_par *par = info->par; 1768 int resource; 1769 1770 DBG("savage_map_video"); 1771 1772 if (S3_SAVAGE3D_SERIES(par->chip)) 1773 resource = 0; 1774 else 1775 resource = 1; 1776 1777 par->video.pbase = pci_resource_start(par->pcidev, resource); 1778 par->video.len = video_len; 1779 par->video.vbase = ioremap(par->video.pbase, par->video.len); 1780 1781 if (!par->video.vbase) { 1782 printk("savagefb: unable to map screen memory\n"); 1783 return -ENOMEM; 1784 } else 1785 printk(KERN_INFO "savagefb: mapped framebuffer at %p, " 1786 "pbase == %x\n", par->video.vbase, par->video.pbase); 1787 1788 info->fix.smem_start = par->video.pbase; 1789 info->fix.smem_len = par->video.len - par->cob_size; 1790 info->screen_base = par->video.vbase; 1791 1792#ifdef CONFIG_MTRR 1793 par->video.mtrr = mtrr_add(par->video.pbase, video_len, 1794 MTRR_TYPE_WRCOMB, 1); 1795#endif 1796 1797 /* Clear framebuffer, it's all white in memory after boot */ 1798 memset_io(par->video.vbase, 0, par->video.len); 1799 1800 return 0; 1801} 1802 1803static void savage_unmap_video(struct fb_info *info) 1804{ 1805 struct savagefb_par *par = info->par; 1806 1807 DBG("savage_unmap_video"); 1808 1809 if (par->video.vbase) { 1810#ifdef CONFIG_MTRR 1811 mtrr_del(par->video.mtrr, par->video.pbase, par->video.len); 1812#endif 1813 1814 iounmap(par->video.vbase); 1815 par->video.vbase = NULL; 1816 info->screen_base = NULL; 1817 } 1818} 1819 1820static int savage_init_hw(struct savagefb_par *par) 1821{ 1822 unsigned char config1, m, n, n1, n2, sr8, cr3f, cr66 = 0, tmp; 1823 1824 static unsigned char RamSavage3D[] = { 8, 4, 4, 2 }; 1825 static unsigned char RamSavage4[] = { 2, 4, 8, 12, 16, 32, 64, 32 }; 1826 static unsigned char RamSavageMX[] = { 2, 8, 4, 16, 8, 16, 4, 16 }; 1827 static unsigned char RamSavageNB[] = { 0, 2, 4, 8, 16, 32, 2, 2 }; 1828 int videoRam, videoRambytes, dvi; 1829 1830 DBG("savage_init_hw"); 1831 1832 /* unprotect CRTC[0-7] */ 1833 vga_out8(0x3d4, 0x11, par); 1834 tmp = vga_in8(0x3d5, par); 1835 vga_out8(0x3d5, tmp & 0x7f, par); 1836 1837 /* unlock extended regs */ 1838 vga_out16(0x3d4, 0x4838, par); 1839 vga_out16(0x3d4, 0xa039, par); 1840 vga_out16(0x3c4, 0x0608, par); 1841 1842 vga_out8(0x3d4, 0x40, par); 1843 tmp = vga_in8(0x3d5, par); 1844 vga_out8(0x3d5, tmp & ~0x01, par); 1845 1846 /* unlock sys regs */ 1847 vga_out8(0x3d4, 0x38, par); 1848 vga_out8(0x3d5, 0x48, par); 1849 1850 /* Unlock system registers. */ 1851 vga_out16(0x3d4, 0x4838, par); 1852 1853 /* Next go on to detect amount of installed ram */ 1854 1855 vga_out8(0x3d4, 0x36, par); /* for register CR36 (CONFG_REG1), */ 1856 config1 = vga_in8(0x3d5, par); /* get amount of vram installed */ 1857 1858 /* Compute the amount of video memory and offscreen memory. */ 1859 1860 switch (par->chip) { 1861 case S3_SAVAGE3D: 1862 videoRam = RamSavage3D[(config1 & 0xC0) >> 6 ] * 1024; 1863 break; 1864 1865 case S3_SAVAGE4: 1866 /* 1867 * The Savage4 has one ugly special case to consider. On 1868 * systems with 4 banks of 2Mx32 SDRAM, the BIOS says 4MB 1869 * when it really means 8MB. Why do it the same when you 1870 * can do it different... 1871 */ 1872 vga_out8(0x3d4, 0x68, par); /* memory control 1 */ 1873 if ((vga_in8(0x3d5, par) & 0xC0) == (0x01 << 6)) 1874 RamSavage4[1] = 8; 1875 1876 /*FALLTHROUGH*/ 1877 1878 case S3_SAVAGE2000: 1879 videoRam = RamSavage4[(config1 & 0xE0) >> 5] * 1024; 1880 break; 1881 1882 case S3_SAVAGE_MX: 1883 case S3_SUPERSAVAGE: 1884 videoRam = RamSavageMX[(config1 & 0x0E) >> 1] * 1024; 1885 break; 1886 1887 case S3_PROSAVAGE: 1888 case S3_PROSAVAGEDDR: 1889 case S3_TWISTER: 1890 videoRam = RamSavageNB[(config1 & 0xE0) >> 5] * 1024; 1891 break; 1892 1893 default: 1894 /* How did we get here? */ 1895 videoRam = 0; 1896 break; 1897 } 1898 1899 videoRambytes = videoRam * 1024; 1900 1901 printk(KERN_INFO "savagefb: probed videoram: %dk\n", videoRam); 1902 1903 /* reset graphics engine to avoid memory corruption */ 1904 vga_out8(0x3d4, 0x66, par); 1905 cr66 = vga_in8(0x3d5, par); 1906 vga_out8(0x3d5, cr66 | 0x02, par); 1907 udelay(10000); 1908 1909 vga_out8(0x3d4, 0x66, par); 1910 vga_out8(0x3d5, cr66 & ~0x02, par); /* clear reset flag */ 1911 udelay(10000); 1912 1913 1914 /* 1915 * reset memory interface, 3D engine, AGP master, PCI master, 1916 * master engine unit, motion compensation/LPB 1917 */ 1918 vga_out8(0x3d4, 0x3f, par); 1919 cr3f = vga_in8(0x3d5, par); 1920 vga_out8(0x3d5, cr3f | 0x08, par); 1921 udelay(10000); 1922 1923 vga_out8(0x3d4, 0x3f, par); 1924 vga_out8(0x3d5, cr3f & ~0x08, par); /* clear reset flags */ 1925 udelay(10000); 1926 1927 /* Savage ramdac speeds */ 1928 par->numClocks = 4; 1929 par->clock[0] = 250000; 1930 par->clock[1] = 250000; 1931 par->clock[2] = 220000; 1932 par->clock[3] = 220000; 1933 1934 /* detect current mclk */ 1935 vga_out8(0x3c4, 0x08, par); 1936 sr8 = vga_in8(0x3c5, par); 1937 vga_out8(0x3c5, 0x06, par); 1938 vga_out8(0x3c4, 0x10, par); 1939 n = vga_in8(0x3c5, par); 1940 vga_out8(0x3c4, 0x11, par); 1941 m = vga_in8(0x3c5, par); 1942 vga_out8(0x3c4, 0x08, par); 1943 vga_out8(0x3c5, sr8, par); 1944 m &= 0x7f; 1945 n1 = n & 0x1f; 1946 n2 = (n >> 5) & 0x03; 1947 par->MCLK = ((1431818 * (m+2)) / (n1+2) / (1 << n2) + 50) / 100; 1948 printk(KERN_INFO "savagefb: Detected current MCLK value of %d kHz\n", 1949 par->MCLK); 1950 1951 /* check for DVI/flat panel */ 1952 dvi = 0; 1953 1954 if (par->chip == S3_SAVAGE4) { 1955 unsigned char sr30 = 0x00; 1956 1957 vga_out8(0x3c4, 0x30, par); 1958 /* clear bit 1 */ 1959 vga_out8(0x3c5, vga_in8(0x3c5, par) & ~0x02, par); 1960 sr30 = vga_in8(0x3c5, par); 1961 if (sr30 & 0x02 /*0x04 */) { 1962 dvi = 1; 1963 printk("savagefb: Digital Flat Panel Detected\n"); 1964 } 1965 } 1966 1967 if ((S3_SAVAGE_MOBILE_SERIES(par->chip) || 1968 S3_MOBILE_TWISTER_SERIES(par->chip)) && !par->crtonly) 1969 par->display_type = DISP_LCD; 1970 else if (dvi || (par->chip == S3_SAVAGE4 && par->dvi)) 1971 par->display_type = DISP_DFP; 1972 else 1973 par->display_type = DISP_CRT; 1974 1975 /* Check LCD panel parrmation */ 1976 1977 if (par->display_type == DISP_LCD) { 1978 unsigned char cr6b = VGArCR(0x6b, par); 1979 1980 int panelX = (VGArSEQ(0x61, par) + 1981 ((VGArSEQ(0x66, par) & 0x02) << 7) + 1) * 8; 1982 int panelY = (VGArSEQ(0x69, par) + 1983 ((VGArSEQ(0x6e, par) & 0x70) << 4) + 1); 1984 1985 char * sTechnology = "Unknown"; 1986 1987 /* OK, I admit it. I don't know how to limit the max dot clock 1988 * for LCD panels of various sizes. I thought I copied the 1989 * formula from the BIOS, but many users have parrmed me of 1990 * my folly. 1991 * 1992 * Instead, I'll abandon any attempt to automatically limit the 1993 * clock, and add an LCDClock option to XF86Config. Some day, 1994 * I should come back to this. 1995 */ 1996 1997 enum ACTIVE_DISPLAYS { /* These are the bits in CR6B */ 1998 ActiveCRT = 0x01, 1999 ActiveLCD = 0x02, 2000 ActiveTV = 0x04, 2001 ActiveCRT2 = 0x20, 2002 ActiveDUO = 0x80 2003 }; 2004 2005 if ((VGArSEQ(0x39, par) & 0x03) == 0) { 2006 sTechnology = "TFT"; 2007 } else if ((VGArSEQ(0x30, par) & 0x01) == 0) { 2008 sTechnology = "DSTN"; 2009 } else { 2010 sTechnology = "STN"; 2011 } 2012 2013 printk(KERN_INFO "savagefb: %dx%d %s LCD panel detected %s\n", 2014 panelX, panelY, sTechnology, 2015 cr6b & ActiveLCD ? "and active" : "but not active"); 2016 2017 if (cr6b & ActiveLCD) { 2018 /* 2019 * If the LCD is active and panel expansion is enabled, 2020 * we probably want to kill the HW cursor. 2021 */ 2022 2023 printk(KERN_INFO "savagefb: Limiting video mode to " 2024 "%dx%d\n", panelX, panelY); 2025 2026 par->SavagePanelWidth = panelX; 2027 par->SavagePanelHeight = panelY; 2028 2029 } else 2030 par->display_type = DISP_CRT; 2031 } 2032 2033 savage_get_default_par(par, &par->state); 2034 par->save = par->state; 2035 2036 if (S3_SAVAGE4_SERIES(par->chip)) { 2037 /* 2038 * The Savage4 and ProSavage have COB coherency bugs which 2039 * render the buffer useless. We disable it. 2040 */ 2041 par->cob_index = 2; 2042 par->cob_size = 0x8000 << par->cob_index; 2043 par->cob_offset = videoRambytes; 2044 } else { 2045 /* We use 128kB for the COB on all chips. */ 2046 2047 par->cob_index = 7; 2048 par->cob_size = 0x400 << par->cob_index; 2049 par->cob_offset = videoRambytes - par->cob_size; 2050 } 2051 2052 return videoRambytes; 2053} 2054 2055static int __devinit savage_init_fb_info(struct fb_info *info, 2056 struct pci_dev *dev, 2057 const struct pci_device_id *id) 2058{ 2059 struct savagefb_par *par = info->par; 2060 int err = 0; 2061 2062 par->pcidev = dev; 2063 2064 info->fix.type = FB_TYPE_PACKED_PIXELS; 2065 info->fix.type_aux = 0; 2066 info->fix.ypanstep = 1; 2067 info->fix.ywrapstep = 0; 2068 info->fix.accel = id->driver_data; 2069 2070 switch (info->fix.accel) { 2071 case FB_ACCEL_SUPERSAVAGE: 2072 par->chip = S3_SUPERSAVAGE; 2073 snprintf(info->fix.id, 16, "SuperSavage"); 2074 break; 2075 case FB_ACCEL_SAVAGE4: 2076 par->chip = S3_SAVAGE4; 2077 snprintf(info->fix.id, 16, "Savage4"); 2078 break; 2079 case FB_ACCEL_SAVAGE3D: 2080 par->chip = S3_SAVAGE3D; 2081 snprintf(info->fix.id, 16, "Savage3D"); 2082 break; 2083 case FB_ACCEL_SAVAGE3D_MV: 2084 par->chip = S3_SAVAGE3D; 2085 snprintf(info->fix.id, 16, "Savage3D-MV"); 2086 break; 2087 case FB_ACCEL_SAVAGE2000: 2088 par->chip = S3_SAVAGE2000; 2089 snprintf(info->fix.id, 16, "Savage2000"); 2090 break; 2091 case FB_ACCEL_SAVAGE_MX_MV: 2092 par->chip = S3_SAVAGE_MX; 2093 snprintf(info->fix.id, 16, "Savage/MX-MV"); 2094 break; 2095 case FB_ACCEL_SAVAGE_MX: 2096 par->chip = S3_SAVAGE_MX; 2097 snprintf(info->fix.id, 16, "Savage/MX"); 2098 break; 2099 case FB_ACCEL_SAVAGE_IX_MV: 2100 par->chip = S3_SAVAGE_MX; 2101 snprintf(info->fix.id, 16, "Savage/IX-MV"); 2102 break; 2103 case FB_ACCEL_SAVAGE_IX: 2104 par->chip = S3_SAVAGE_MX; 2105 snprintf(info->fix.id, 16, "Savage/IX"); 2106 break; 2107 case FB_ACCEL_PROSAVAGE_PM: 2108 par->chip = S3_PROSAVAGE; 2109 snprintf(info->fix.id, 16, "ProSavagePM"); 2110 break; 2111 case FB_ACCEL_PROSAVAGE_KM: 2112 par->chip = S3_PROSAVAGE; 2113 snprintf(info->fix.id, 16, "ProSavageKM"); 2114 break; 2115 case FB_ACCEL_S3TWISTER_P: 2116 par->chip = S3_TWISTER; 2117 snprintf(info->fix.id, 16, "TwisterP"); 2118 break; 2119 case FB_ACCEL_S3TWISTER_K: 2120 par->chip = S3_TWISTER; 2121 snprintf(info->fix.id, 16, "TwisterK"); 2122 break; 2123 case FB_ACCEL_PROSAVAGE_DDR: 2124 par->chip = S3_PROSAVAGEDDR; 2125 snprintf(info->fix.id, 16, "ProSavageDDR"); 2126 break; 2127 case FB_ACCEL_PROSAVAGE_DDRK: 2128 par->chip = S3_PROSAVAGEDDR; 2129 snprintf(info->fix.id, 16, "ProSavage8"); 2130 break; 2131 } 2132 2133 if (S3_SAVAGE3D_SERIES(par->chip)) { 2134 par->SavageWaitIdle = savage3D_waitidle; 2135 par->SavageWaitFifo = savage3D_waitfifo; 2136 } else if (S3_SAVAGE4_SERIES(par->chip) || 2137 S3_SUPERSAVAGE == par->chip) { 2138 par->SavageWaitIdle = savage4_waitidle; 2139 par->SavageWaitFifo = savage4_waitfifo; 2140 } else { 2141 par->SavageWaitIdle = savage2000_waitidle; 2142 par->SavageWaitFifo = savage2000_waitfifo; 2143 } 2144 2145 info->var.nonstd = 0; 2146 info->var.activate = FB_ACTIVATE_NOW; 2147 info->var.width = -1; 2148 info->var.height = -1; 2149 info->var.accel_flags = 0; 2150 2151 info->fbops = &savagefb_ops; 2152 info->flags = FBINFO_DEFAULT | 2153 FBINFO_HWACCEL_YPAN | 2154 FBINFO_HWACCEL_XPAN; 2155 2156 info->pseudo_palette = par->pseudo_palette; 2157 2158#if defined(CONFIG_FB_SAVAGE_ACCEL) 2159 /* FIFO size + padding for commands */ 2160 info->pixmap.addr = kcalloc(8, 1024, GFP_KERNEL); 2161 2162 err = -ENOMEM; 2163 if (info->pixmap.addr) { 2164 info->pixmap.size = 8*1024; 2165 info->pixmap.scan_align = 4; 2166 info->pixmap.buf_align = 4; 2167 info->pixmap.access_align = 32; 2168 2169 err = fb_alloc_cmap(&info->cmap, NR_PALETTE, 0); 2170 if (!err) 2171 info->flags |= FBINFO_HWACCEL_COPYAREA | 2172 FBINFO_HWACCEL_FILLRECT | 2173 FBINFO_HWACCEL_IMAGEBLIT; 2174 } 2175#endif 2176 return err; 2177} 2178 2179/* --------------------------------------------------------------------- */ 2180 2181static int __devinit savagefb_probe(struct pci_dev* dev, 2182 const struct pci_device_id* id) 2183{ 2184 struct fb_info *info; 2185 struct savagefb_par *par; 2186 u_int h_sync, v_sync; 2187 int err, lpitch; 2188 int video_len; 2189 2190 DBG("savagefb_probe"); 2191 2192 info = framebuffer_alloc(sizeof(struct savagefb_par), &dev->dev); 2193 if (!info) 2194 return -ENOMEM; 2195 par = info->par; 2196 mutex_init(&par->open_lock); 2197 err = pci_enable_device(dev); 2198 if (err) 2199 goto failed_enable; 2200 2201 if ((err = pci_request_regions(dev, "savagefb"))) { 2202 printk(KERN_ERR "cannot request PCI regions\n"); 2203 goto failed_enable; 2204 } 2205 2206 err = -ENOMEM; 2207 2208 if ((err = savage_init_fb_info(info, dev, id))) 2209 goto failed_init; 2210 2211 err = savage_map_mmio(info); 2212 if (err) 2213 goto failed_mmio; 2214 2215 video_len = savage_init_hw(par); 2216 /* FIXME: can't be negative */ 2217 if (video_len < 0) { 2218 err = video_len; 2219 goto failed_mmio; 2220 } 2221 2222 err = savage_map_video(info, video_len); 2223 if (err) 2224 goto failed_video; 2225 2226 INIT_LIST_HEAD(&info->modelist); 2227#if defined(CONFIG_FB_SAVAGE_I2C) 2228 savagefb_create_i2c_busses(info); 2229 savagefb_probe_i2c_connector(info, &par->edid); 2230 fb_edid_to_monspecs(par->edid, &info->monspecs); 2231 kfree(par->edid); 2232 fb_videomode_to_modelist(info->monspecs.modedb, 2233 info->monspecs.modedb_len, 2234 &info->modelist); 2235#endif 2236 info->var = savagefb_var800x600x8; 2237 /* if a panel was detected, default to a CVT mode instead */ 2238 if (par->SavagePanelWidth) { 2239 struct fb_videomode cvt_mode; 2240 2241 memset(&cvt_mode, 0, sizeof(cvt_mode)); 2242 cvt_mode.xres = par->SavagePanelWidth; 2243 cvt_mode.yres = par->SavagePanelHeight; 2244 cvt_mode.refresh = 60; 2245 /* FIXME: if we know there is only the panel 2246 * we can enable reduced blanking as well */ 2247 if (fb_find_mode_cvt(&cvt_mode, 0, 0)) 2248 printk(KERN_WARNING "No CVT mode found for panel\n"); 2249 else if (fb_find_mode(&info->var, info, NULL, NULL, 0, 2250 &cvt_mode, 0) != 3) 2251 info->var = savagefb_var800x600x8; 2252 } 2253 2254 if (mode_option) { 2255 fb_find_mode(&info->var, info, mode_option, 2256 info->monspecs.modedb, info->monspecs.modedb_len, 2257 NULL, 8); 2258 } else if (info->monspecs.modedb != NULL) { 2259 const struct fb_videomode *mode; 2260 2261 mode = fb_find_best_display(&info->monspecs, &info->modelist); 2262 savage_update_var(&info->var, mode); 2263 } 2264 2265 /* maximize virtual vertical length */ 2266 lpitch = info->var.xres_virtual*((info->var.bits_per_pixel + 7) >> 3); 2267 info->var.yres_virtual = info->fix.smem_len/lpitch; 2268 2269 if (info->var.yres_virtual < info->var.yres) 2270 goto failed; 2271 2272#if defined(CONFIG_FB_SAVAGE_ACCEL) 2273 /* 2274 * The clipping coordinates are masked with 0xFFF, so limit our 2275 * virtual resolutions to these sizes. 2276 */ 2277 if (info->var.yres_virtual > 0x1000) 2278 info->var.yres_virtual = 0x1000; 2279 2280 if (info->var.xres_virtual > 0x1000) 2281 info->var.xres_virtual = 0x1000; 2282#endif 2283 savagefb_check_var(&info->var, info); 2284 savagefb_set_fix(info); 2285 2286 /* 2287 * Calculate the hsync and vsync frequencies. Note that 2288 * we split the 1e12 constant up so that we can preserve 2289 * the precision and fit the results into 32-bit registers. 2290 * (1953125000 * 512 = 1e12) 2291 */ 2292 h_sync = 1953125000 / info->var.pixclock; 2293 h_sync = h_sync * 512 / (info->var.xres + info->var.left_margin + 2294 info->var.right_margin + 2295 info->var.hsync_len); 2296 v_sync = h_sync / (info->var.yres + info->var.upper_margin + 2297 info->var.lower_margin + info->var.vsync_len); 2298 2299 printk(KERN_INFO "savagefb v" SAVAGEFB_VERSION ": " 2300 "%dkB VRAM, using %dx%d, %d.%03dkHz, %dHz\n", 2301 info->fix.smem_len >> 10, 2302 info->var.xres, info->var.yres, 2303 h_sync / 1000, h_sync % 1000, v_sync); 2304 2305 2306 fb_destroy_modedb(info->monspecs.modedb); 2307 info->monspecs.modedb = NULL; 2308 2309 err = register_framebuffer(info); 2310 if (err < 0) 2311 goto failed; 2312 2313 printk(KERN_INFO "fb: S3 %s frame buffer device\n", 2314 info->fix.id); 2315 2316 /* 2317 * Our driver data 2318 */ 2319 pci_set_drvdata(dev, info); 2320 2321 return 0; 2322 2323 failed: 2324#ifdef CONFIG_FB_SAVAGE_I2C 2325 savagefb_delete_i2c_busses(info); 2326#endif 2327 fb_alloc_cmap(&info->cmap, 0, 0); 2328 savage_unmap_video(info); 2329 failed_video: 2330 savage_unmap_mmio(info); 2331 failed_mmio: 2332 kfree(info->pixmap.addr); 2333 failed_init: 2334 pci_release_regions(dev); 2335 failed_enable: 2336 framebuffer_release(info); 2337 2338 return err; 2339} 2340 2341static void __devexit savagefb_remove(struct pci_dev *dev) 2342{ 2343 struct fb_info *info = pci_get_drvdata(dev); 2344 2345 DBG("savagefb_remove"); 2346 2347 if (info) { 2348 /* 2349 * If unregister_framebuffer fails, then 2350 * we will be leaving hooks that could cause 2351 * oopsen laying around. 2352 */ 2353 if (unregister_framebuffer(info)) 2354 printk(KERN_WARNING "savagefb: danger danger! " 2355 "Oopsen imminent!\n"); 2356 2357#ifdef CONFIG_FB_SAVAGE_I2C 2358 savagefb_delete_i2c_busses(info); 2359#endif 2360 fb_alloc_cmap(&info->cmap, 0, 0); 2361 savage_unmap_video(info); 2362 savage_unmap_mmio(info); 2363 kfree(info->pixmap.addr); 2364 pci_release_regions(dev); 2365 framebuffer_release(info); 2366 2367 /* 2368 * Ensure that the driver data is no longer 2369 * valid. 2370 */ 2371 pci_set_drvdata(dev, NULL); 2372 } 2373} 2374 2375static int savagefb_suspend(struct pci_dev *dev, pm_message_t mesg) 2376{ 2377 struct fb_info *info = pci_get_drvdata(dev); 2378 struct savagefb_par *par = info->par; 2379 2380 DBG("savagefb_suspend"); 2381 2382 if (mesg.event == PM_EVENT_PRETHAW) 2383 mesg.event = PM_EVENT_FREEZE; 2384 par->pm_state = mesg.event; 2385 dev->dev.power.power_state = mesg; 2386 2387 /* 2388 * For PM_EVENT_FREEZE, do not power down so the console 2389 * can remain active. 2390 */ 2391 if (mesg.event == PM_EVENT_FREEZE) 2392 return 0; 2393 2394 console_lock(); 2395 fb_set_suspend(info, 1); 2396 2397 if (info->fbops->fb_sync) 2398 info->fbops->fb_sync(info); 2399 2400 savagefb_blank(FB_BLANK_POWERDOWN, info); 2401 savage_set_default_par(par, &par->save); 2402 savage_disable_mmio(par); 2403 pci_save_state(dev); 2404 pci_disable_device(dev); 2405 pci_set_power_state(dev, pci_choose_state(dev, mesg)); 2406 console_unlock(); 2407 2408 return 0; 2409} 2410 2411static int savagefb_resume(struct pci_dev* dev) 2412{ 2413 struct fb_info *info = pci_get_drvdata(dev); 2414 struct savagefb_par *par = info->par; 2415 int cur_state = par->pm_state; 2416 2417 DBG("savage_resume"); 2418 2419 par->pm_state = PM_EVENT_ON; 2420 2421 /* 2422 * The adapter was not powered down coming back from a 2423 * PM_EVENT_FREEZE. 2424 */ 2425 if (cur_state == PM_EVENT_FREEZE) { 2426 pci_set_power_state(dev, PCI_D0); 2427 return 0; 2428 } 2429 2430 console_lock(); 2431 2432 pci_set_power_state(dev, PCI_D0); 2433 pci_restore_state(dev); 2434 2435 if (pci_enable_device(dev)) 2436 DBG("err"); 2437 2438 pci_set_master(dev); 2439 savage_enable_mmio(par); 2440 savage_init_hw(par); 2441 savagefb_set_par(info); 2442 fb_set_suspend(info, 0); 2443 savagefb_blank(FB_BLANK_UNBLANK, info); 2444 console_unlock(); 2445 2446 return 0; 2447} 2448 2449 2450static struct pci_device_id savagefb_devices[] __devinitdata = { 2451 {PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_MX128, 2452 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE}, 2453 2454 {PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_MX64, 2455 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE}, 2456 2457 {PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_MX64C, 2458 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE}, 2459 2460 {PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_IX128SDR, 2461 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE}, 2462 2463 {PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_IX128DDR, 2464 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE}, 2465 2466 {PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_IX64SDR, 2467 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE}, 2468 2469 {PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_IX64DDR, 2470 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE}, 2471 2472 {PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_IXCSDR, 2473 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE}, 2474 2475 {PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_IXCDDR, 2476 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE}, 2477 2478 {PCI_VENDOR_ID_S3, PCI_CHIP_SAVAGE4, 2479 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SAVAGE4}, 2480 2481 {PCI_VENDOR_ID_S3, PCI_CHIP_SAVAGE3D, 2482 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SAVAGE3D}, 2483 2484 {PCI_VENDOR_ID_S3, PCI_CHIP_SAVAGE3D_MV, 2485 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SAVAGE3D_MV}, 2486 2487 {PCI_VENDOR_ID_S3, PCI_CHIP_SAVAGE2000, 2488 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SAVAGE2000}, 2489 2490 {PCI_VENDOR_ID_S3, PCI_CHIP_SAVAGE_MX_MV, 2491 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SAVAGE_MX_MV}, 2492 2493 {PCI_VENDOR_ID_S3, PCI_CHIP_SAVAGE_MX, 2494 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SAVAGE_MX}, 2495 2496 {PCI_VENDOR_ID_S3, PCI_CHIP_SAVAGE_IX_MV, 2497 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SAVAGE_IX_MV}, 2498 2499 {PCI_VENDOR_ID_S3, PCI_CHIP_SAVAGE_IX, 2500 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SAVAGE_IX}, 2501 2502 {PCI_VENDOR_ID_S3, PCI_CHIP_PROSAVAGE_PM, 2503 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_PROSAVAGE_PM}, 2504 2505 {PCI_VENDOR_ID_S3, PCI_CHIP_PROSAVAGE_KM, 2506 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_PROSAVAGE_KM}, 2507 2508 {PCI_VENDOR_ID_S3, PCI_CHIP_S3TWISTER_P, 2509 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_S3TWISTER_P}, 2510 2511 {PCI_VENDOR_ID_S3, PCI_CHIP_S3TWISTER_K, 2512 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_S3TWISTER_K}, 2513 2514 {PCI_VENDOR_ID_S3, PCI_CHIP_PROSAVAGE_DDR, 2515 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_PROSAVAGE_DDR}, 2516 2517 {PCI_VENDOR_ID_S3, PCI_CHIP_PROSAVAGE_DDRK, 2518 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_PROSAVAGE_DDRK}, 2519 2520 {0, 0, 0, 0, 0, 0, 0} 2521}; 2522 2523MODULE_DEVICE_TABLE(pci, savagefb_devices); 2524 2525static struct pci_driver savagefb_driver = { 2526 .name = "savagefb", 2527 .id_table = savagefb_devices, 2528 .probe = savagefb_probe, 2529 .suspend = savagefb_suspend, 2530 .resume = savagefb_resume, 2531 .remove = __devexit_p(savagefb_remove) 2532}; 2533 2534/* **************************** exit-time only **************************** */ 2535 2536static void __exit savage_done(void) 2537{ 2538 DBG("savage_done"); 2539 pci_unregister_driver(&savagefb_driver); 2540} 2541 2542 2543/* ************************* init in-kernel code ************************** */ 2544 2545static int __init savagefb_setup(char *options) 2546{ 2547#ifndef MODULE 2548 char *this_opt; 2549 2550 if (!options || !*options) 2551 return 0; 2552 2553 while ((this_opt = strsep(&options, ",")) != NULL) { 2554 mode_option = this_opt; 2555 } 2556#endif /* !MODULE */ 2557 return 0; 2558} 2559 2560static int __init savagefb_init(void) 2561{ 2562 char *option; 2563 2564 DBG("savagefb_init"); 2565 2566 if (fb_get_options("savagefb", &option)) 2567 return -ENODEV; 2568 2569 savagefb_setup(option); 2570 return pci_register_driver(&savagefb_driver); 2571 2572} 2573 2574module_init(savagefb_init); 2575module_exit(savage_done); 2576 2577module_param(mode_option, charp, 0); 2578MODULE_PARM_DESC(mode_option, "Specify initial video mode"); 2579