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#include <asm/system.h> 60#include <asm/uaccess.h> 61 62#ifdef CONFIG_MTRR 63#include <asm/mtrr.h> 64#endif 65 66#include "savagefb.h" 67 68 69#define SAVAGEFB_VERSION "0.4.0_2.6" 70 71/* --------------------------------------------------------------------- */ 72 73 74static char *mode_option __devinitdata = NULL; 75 76#ifdef MODULE 77 78MODULE_AUTHOR("(c) 2001-2002 Denis Oliver Kropp <dok@directfb.org>"); 79MODULE_LICENSE("GPL"); 80MODULE_DESCRIPTION("FBDev driver for S3 Savage PCI/AGP Chips"); 81 82#endif 83 84 85/* --------------------------------------------------------------------- */ 86 87static void vgaHWSeqReset(struct savagefb_par *par, int start) 88{ 89 if (start) 90 VGAwSEQ(0x00, 0x01, par); /* Synchronous Reset */ 91 else 92 VGAwSEQ(0x00, 0x03, par); /* End Reset */ 93} 94 95static void vgaHWProtect(struct savagefb_par *par, int on) 96{ 97 unsigned char tmp; 98 99 if (on) { 100 /* 101 * Turn off screen and disable sequencer. 102 */ 103 tmp = VGArSEQ(0x01, par); 104 105 vgaHWSeqReset(par, 1); /* start synchronous reset */ 106 VGAwSEQ(0x01, tmp | 0x20, par);/* disable the display */ 107 108 VGAenablePalette(par); 109 } else { 110 /* 111 * Reenable sequencer, then turn on screen. 112 */ 113 114 tmp = VGArSEQ(0x01, par); 115 116 VGAwSEQ(0x01, tmp & ~0x20, par);/* reenable display */ 117 vgaHWSeqReset(par, 0); /* clear synchronous reset */ 118 119 VGAdisablePalette(par); 120 } 121} 122 123static void vgaHWRestore(struct savagefb_par *par, struct savage_reg *reg) 124{ 125 int i; 126 127 VGAwMISC(reg->MiscOutReg, par); 128 129 for (i = 1; i < 5; i++) 130 VGAwSEQ(i, reg->Sequencer[i], par); 131 132 /* Ensure CRTC registers 0-7 are unlocked by clearing bit 7 or 133 CRTC[17] */ 134 VGAwCR(17, reg->CRTC[17] & ~0x80, par); 135 136 for (i = 0; i < 25; i++) 137 VGAwCR(i, reg->CRTC[i], par); 138 139 for (i = 0; i < 9; i++) 140 VGAwGR(i, reg->Graphics[i], par); 141 142 VGAenablePalette(par); 143 144 for (i = 0; i < 21; i++) 145 VGAwATTR(i, reg->Attribute[i], par); 146 147 VGAdisablePalette(par); 148} 149 150static void vgaHWInit(struct fb_var_screeninfo *var, 151 struct savagefb_par *par, 152 struct xtimings *timings, 153 struct savage_reg *reg) 154{ 155 reg->MiscOutReg = 0x23; 156 157 if (!(timings->sync & FB_SYNC_HOR_HIGH_ACT)) 158 reg->MiscOutReg |= 0x40; 159 160 if (!(timings->sync & FB_SYNC_VERT_HIGH_ACT)) 161 reg->MiscOutReg |= 0x80; 162 163 /* 164 * Time Sequencer 165 */ 166 reg->Sequencer[0x00] = 0x00; 167 reg->Sequencer[0x01] = 0x01; 168 reg->Sequencer[0x02] = 0x0F; 169 reg->Sequencer[0x03] = 0x00; /* Font select */ 170 reg->Sequencer[0x04] = 0x0E; /* Misc */ 171 172 /* 173 * CRTC Controller 174 */ 175 reg->CRTC[0x00] = (timings->HTotal >> 3) - 5; 176 reg->CRTC[0x01] = (timings->HDisplay >> 3) - 1; 177 reg->CRTC[0x02] = (timings->HSyncStart >> 3) - 1; 178 reg->CRTC[0x03] = (((timings->HSyncEnd >> 3) - 1) & 0x1f) | 0x80; 179 reg->CRTC[0x04] = (timings->HSyncStart >> 3); 180 reg->CRTC[0x05] = ((((timings->HSyncEnd >> 3) - 1) & 0x20) << 2) | 181 (((timings->HSyncEnd >> 3)) & 0x1f); 182 reg->CRTC[0x06] = (timings->VTotal - 2) & 0xFF; 183 reg->CRTC[0x07] = (((timings->VTotal - 2) & 0x100) >> 8) | 184 (((timings->VDisplay - 1) & 0x100) >> 7) | 185 ((timings->VSyncStart & 0x100) >> 6) | 186 (((timings->VSyncStart - 1) & 0x100) >> 5) | 187 0x10 | 188 (((timings->VTotal - 2) & 0x200) >> 4) | 189 (((timings->VDisplay - 1) & 0x200) >> 3) | 190 ((timings->VSyncStart & 0x200) >> 2); 191 reg->CRTC[0x08] = 0x00; 192 reg->CRTC[0x09] = (((timings->VSyncStart - 1) & 0x200) >> 4) | 0x40; 193 194 if (timings->dblscan) 195 reg->CRTC[0x09] |= 0x80; 196 197 reg->CRTC[0x0a] = 0x00; 198 reg->CRTC[0x0b] = 0x00; 199 reg->CRTC[0x0c] = 0x00; 200 reg->CRTC[0x0d] = 0x00; 201 reg->CRTC[0x0e] = 0x00; 202 reg->CRTC[0x0f] = 0x00; 203 reg->CRTC[0x10] = timings->VSyncStart & 0xff; 204 reg->CRTC[0x11] = (timings->VSyncEnd & 0x0f) | 0x20; 205 reg->CRTC[0x12] = (timings->VDisplay - 1) & 0xff; 206 reg->CRTC[0x13] = var->xres_virtual >> 4; 207 reg->CRTC[0x14] = 0x00; 208 reg->CRTC[0x15] = (timings->VSyncStart - 1) & 0xff; 209 reg->CRTC[0x16] = (timings->VSyncEnd - 1) & 0xff; 210 reg->CRTC[0x17] = 0xc3; 211 reg->CRTC[0x18] = 0xff; 212 213 /* 214 * are these unnecessary? 215 * vgaHWHBlankKGA(mode, regp, 0, KGA_FIX_OVERSCAN|KGA_ENABLE_ON_ZERO); 216 * vgaHWVBlankKGA(mode, regp, 0, KGA_FIX_OVERSCAN|KGA_ENABLE_ON_ZERO); 217 */ 218 219 /* 220 * Graphics Display Controller 221 */ 222 reg->Graphics[0x00] = 0x00; 223 reg->Graphics[0x01] = 0x00; 224 reg->Graphics[0x02] = 0x00; 225 reg->Graphics[0x03] = 0x00; 226 reg->Graphics[0x04] = 0x00; 227 reg->Graphics[0x05] = 0x40; 228 reg->Graphics[0x06] = 0x05; /* only map 64k VGA memory !!!! */ 229 reg->Graphics[0x07] = 0x0F; 230 reg->Graphics[0x08] = 0xFF; 231 232 233 reg->Attribute[0x00] = 0x00; /* standard colormap translation */ 234 reg->Attribute[0x01] = 0x01; 235 reg->Attribute[0x02] = 0x02; 236 reg->Attribute[0x03] = 0x03; 237 reg->Attribute[0x04] = 0x04; 238 reg->Attribute[0x05] = 0x05; 239 reg->Attribute[0x06] = 0x06; 240 reg->Attribute[0x07] = 0x07; 241 reg->Attribute[0x08] = 0x08; 242 reg->Attribute[0x09] = 0x09; 243 reg->Attribute[0x0a] = 0x0A; 244 reg->Attribute[0x0b] = 0x0B; 245 reg->Attribute[0x0c] = 0x0C; 246 reg->Attribute[0x0d] = 0x0D; 247 reg->Attribute[0x0e] = 0x0E; 248 reg->Attribute[0x0f] = 0x0F; 249 reg->Attribute[0x10] = 0x41; 250 reg->Attribute[0x11] = 0xFF; 251 reg->Attribute[0x12] = 0x0F; 252 reg->Attribute[0x13] = 0x00; 253 reg->Attribute[0x14] = 0x00; 254} 255 256/* -------------------- Hardware specific routines ------------------------- */ 257 258/* 259 * Hardware Acceleration for SavageFB 260 */ 261 262/* Wait for fifo space */ 263static void 264savage3D_waitfifo(struct savagefb_par *par, int space) 265{ 266 int slots = MAXFIFO - space; 267 268 while ((savage_in32(0x48C00, par) & 0x0000ffff) > slots); 269} 270 271static void 272savage4_waitfifo(struct savagefb_par *par, int space) 273{ 274 int slots = MAXFIFO - space; 275 276 while ((savage_in32(0x48C60, par) & 0x001fffff) > slots); 277} 278 279static void 280savage2000_waitfifo(struct savagefb_par *par, int space) 281{ 282 int slots = MAXFIFO - space; 283 284 while ((savage_in32(0x48C60, par) & 0x0000ffff) > slots); 285} 286 287/* Wait for idle accelerator */ 288static void 289savage3D_waitidle(struct savagefb_par *par) 290{ 291 while ((savage_in32(0x48C00, par) & 0x0008ffff) != 0x80000); 292} 293 294static void 295savage4_waitidle(struct savagefb_par *par) 296{ 297 while ((savage_in32(0x48C60, par) & 0x00a00000) != 0x00a00000); 298} 299 300static void 301savage2000_waitidle(struct savagefb_par *par) 302{ 303 while ((savage_in32(0x48C60, par) & 0x009fffff)); 304} 305 306#ifdef CONFIG_FB_SAVAGE_ACCEL 307static void 308SavageSetup2DEngine(struct savagefb_par *par) 309{ 310 unsigned long GlobalBitmapDescriptor; 311 312 GlobalBitmapDescriptor = 1 | 8 | BCI_BD_BW_DISABLE; 313 BCI_BD_SET_BPP(GlobalBitmapDescriptor, par->depth); 314 BCI_BD_SET_STRIDE(GlobalBitmapDescriptor, par->vwidth); 315 316 switch(par->chip) { 317 case S3_SAVAGE3D: 318 case S3_SAVAGE_MX: 319 /* Disable BCI */ 320 savage_out32(0x48C18, savage_in32(0x48C18, par) & 0x3FF0, par); 321 /* Setup BCI command overflow buffer */ 322 savage_out32(0x48C14, 323 (par->cob_offset >> 11) | (par->cob_index << 29), 324 par); 325 /* Program shadow status update. */ 326 savage_out32(0x48C10, 0x78207220, par); 327 savage_out32(0x48C0C, 0, par); 328 /* Enable BCI and command overflow buffer */ 329 savage_out32(0x48C18, savage_in32(0x48C18, par) | 0x0C, par); 330 break; 331 case S3_SAVAGE4: 332 case S3_PROSAVAGE: 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 intial 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) 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, 1480 struct fb_var_screeninfo *var) 1481{ 1482 int base; 1483 1484 base = ((var->yoffset * var->xres_virtual + (var->xoffset & ~1)) 1485 * ((var->bits_per_pixel+7) / 8)) >> 2; 1486 1487 /* now program the start address registers */ 1488 vga_out16(0x3d4, (base & 0x00ff00) | 0x0c, par); 1489 vga_out16(0x3d4, ((base & 0x00ff) << 8) | 0x0d, par); 1490 vga_out8(0x3d4, 0x69, par); 1491 vga_out8(0x3d5, (base & 0x7f0000) >> 16, par); 1492} 1493 1494 1495static void savagefb_set_fix(struct fb_info *info) 1496{ 1497 info->fix.line_length = info->var.xres_virtual * 1498 info->var.bits_per_pixel / 8; 1499 1500 if (info->var.bits_per_pixel == 8) { 1501 info->fix.visual = FB_VISUAL_PSEUDOCOLOR; 1502 info->fix.xpanstep = 4; 1503 } else { 1504 info->fix.visual = FB_VISUAL_TRUECOLOR; 1505 info->fix.xpanstep = 2; 1506 } 1507 1508} 1509 1510static int savagefb_set_par(struct fb_info *info) 1511{ 1512 struct savagefb_par *par = info->par; 1513 struct fb_var_screeninfo *var = &info->var; 1514 int err; 1515 1516 DBG("savagefb_set_par"); 1517 err = savagefb_decode_var(var, par, &par->state); 1518 if (err) 1519 return err; 1520 1521 if (par->dacSpeedBpp <= 0) { 1522 if (var->bits_per_pixel > 24) 1523 par->dacSpeedBpp = par->clock[3]; 1524 else if (var->bits_per_pixel >= 24) 1525 par->dacSpeedBpp = par->clock[2]; 1526 else if ((var->bits_per_pixel > 8) && (var->bits_per_pixel < 24)) 1527 par->dacSpeedBpp = par->clock[1]; 1528 else if (var->bits_per_pixel <= 8) 1529 par->dacSpeedBpp = par->clock[0]; 1530 } 1531 1532 /* Set ramdac limits */ 1533 par->maxClock = par->dacSpeedBpp; 1534 par->minClock = 10000; 1535 1536 savagefb_set_par_int(par, &par->state); 1537 fb_set_cmap(&info->cmap, info); 1538 savagefb_set_fix(info); 1539 savagefb_set_clip(info); 1540 1541 SavagePrintRegs(par); 1542 return 0; 1543} 1544 1545/* 1546 * Pan or Wrap the Display 1547 */ 1548static int savagefb_pan_display(struct fb_var_screeninfo *var, 1549 struct fb_info *info) 1550{ 1551 struct savagefb_par *par = info->par; 1552 1553 savagefb_update_start(par, var); 1554 return 0; 1555} 1556 1557static int savagefb_blank(int blank, struct fb_info *info) 1558{ 1559 struct savagefb_par *par = info->par; 1560 u8 sr8 = 0, srd = 0; 1561 1562 if (par->display_type == DISP_CRT) { 1563 vga_out8(0x3c4, 0x08, par); 1564 sr8 = vga_in8(0x3c5, par); 1565 sr8 |= 0x06; 1566 vga_out8(0x3c5, sr8, par); 1567 vga_out8(0x3c4, 0x0d, par); 1568 srd = vga_in8(0x3c5, par); 1569 srd &= 0x03; 1570 1571 switch (blank) { 1572 case FB_BLANK_UNBLANK: 1573 case FB_BLANK_NORMAL: 1574 break; 1575 case FB_BLANK_VSYNC_SUSPEND: 1576 srd |= 0x10; 1577 break; 1578 case FB_BLANK_HSYNC_SUSPEND: 1579 srd |= 0x40; 1580 break; 1581 case FB_BLANK_POWERDOWN: 1582 srd |= 0x50; 1583 break; 1584 } 1585 1586 vga_out8(0x3c4, 0x0d, par); 1587 vga_out8(0x3c5, srd, par); 1588 } 1589 1590 if (par->display_type == DISP_LCD || 1591 par->display_type == DISP_DFP) { 1592 switch(blank) { 1593 case FB_BLANK_UNBLANK: 1594 case FB_BLANK_NORMAL: 1595 vga_out8(0x3c4, 0x31, par); /* SR31 bit 4 - FP enable */ 1596 vga_out8(0x3c5, vga_in8(0x3c5, par) | 0x10, par); 1597 break; 1598 case FB_BLANK_VSYNC_SUSPEND: 1599 case FB_BLANK_HSYNC_SUSPEND: 1600 case FB_BLANK_POWERDOWN: 1601 vga_out8(0x3c4, 0x31, par); /* SR31 bit 4 - FP enable */ 1602 vga_out8(0x3c5, vga_in8(0x3c5, par) & ~0x10, par); 1603 break; 1604 } 1605 } 1606 1607 return (blank == FB_BLANK_NORMAL) ? 1 : 0; 1608} 1609 1610static void savagefb_save_state(struct fb_info *info) 1611{ 1612 struct savagefb_par *par = info->par; 1613 1614 savage_get_default_par(par, &par->save); 1615} 1616 1617static void savagefb_restore_state(struct fb_info *info) 1618{ 1619 struct savagefb_par *par = info->par; 1620 1621 savagefb_blank(FB_BLANK_POWERDOWN, info); 1622 savage_set_default_par(par, &par->save); 1623 savagefb_blank(FB_BLANK_UNBLANK, info); 1624} 1625 1626static int savagefb_open(struct fb_info *info, int user) 1627{ 1628 struct savagefb_par *par = info->par; 1629 1630 mutex_lock(&par->open_lock); 1631 1632 if (!par->open_count) { 1633 memset(&par->vgastate, 0, sizeof(par->vgastate)); 1634 par->vgastate.flags = VGA_SAVE_CMAP | VGA_SAVE_FONTS | 1635 VGA_SAVE_MODE; 1636 par->vgastate.vgabase = par->mmio.vbase + 0x8000; 1637 save_vga(&par->vgastate); 1638 savage_get_default_par(par, &par->initial); 1639 } 1640 1641 par->open_count++; 1642 mutex_unlock(&par->open_lock); 1643 return 0; 1644} 1645 1646static int savagefb_release(struct fb_info *info, int user) 1647{ 1648 struct savagefb_par *par = info->par; 1649 1650 mutex_lock(&par->open_lock); 1651 1652 if (par->open_count == 1) { 1653 savage_set_default_par(par, &par->initial); 1654 restore_vga(&par->vgastate); 1655 } 1656 1657 par->open_count--; 1658 mutex_unlock(&par->open_lock); 1659 return 0; 1660} 1661 1662static struct fb_ops savagefb_ops = { 1663 .owner = THIS_MODULE, 1664 .fb_open = savagefb_open, 1665 .fb_release = savagefb_release, 1666 .fb_check_var = savagefb_check_var, 1667 .fb_set_par = savagefb_set_par, 1668 .fb_setcolreg = savagefb_setcolreg, 1669 .fb_pan_display = savagefb_pan_display, 1670 .fb_blank = savagefb_blank, 1671 .fb_save_state = savagefb_save_state, 1672 .fb_restore_state = savagefb_restore_state, 1673#if defined(CONFIG_FB_SAVAGE_ACCEL) 1674 .fb_fillrect = savagefb_fillrect, 1675 .fb_copyarea = savagefb_copyarea, 1676 .fb_imageblit = savagefb_imageblit, 1677 .fb_sync = savagefb_sync, 1678#else 1679 .fb_fillrect = cfb_fillrect, 1680 .fb_copyarea = cfb_copyarea, 1681 .fb_imageblit = cfb_imageblit, 1682#endif 1683}; 1684 1685/* --------------------------------------------------------------------- */ 1686 1687static struct fb_var_screeninfo __devinitdata savagefb_var800x600x8 = { 1688 .accel_flags = FB_ACCELF_TEXT, 1689 .xres = 800, 1690 .yres = 600, 1691 .xres_virtual = 800, 1692 .yres_virtual = 600, 1693 .bits_per_pixel = 8, 1694 .pixclock = 25000, 1695 .left_margin = 88, 1696 .right_margin = 40, 1697 .upper_margin = 23, 1698 .lower_margin = 1, 1699 .hsync_len = 128, 1700 .vsync_len = 4, 1701 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 1702 .vmode = FB_VMODE_NONINTERLACED 1703}; 1704 1705static void savage_enable_mmio(struct savagefb_par *par) 1706{ 1707 unsigned char val; 1708 1709 DBG("savage_enable_mmio\n"); 1710 1711 val = vga_in8(0x3c3, par); 1712 vga_out8(0x3c3, val | 0x01, par); 1713 val = vga_in8(0x3cc, par); 1714 vga_out8(0x3c2, val | 0x01, par); 1715 1716 if (par->chip >= S3_SAVAGE4) { 1717 vga_out8(0x3d4, 0x40, par); 1718 val = vga_in8(0x3d5, par); 1719 vga_out8(0x3d5, val | 1, par); 1720 } 1721} 1722 1723 1724static void savage_disable_mmio(struct savagefb_par *par) 1725{ 1726 unsigned char val; 1727 1728 DBG("savage_disable_mmio\n"); 1729 1730 if (par->chip >= S3_SAVAGE4) { 1731 vga_out8(0x3d4, 0x40, par); 1732 val = vga_in8(0x3d5, par); 1733 vga_out8(0x3d5, val | 1, par); 1734 } 1735} 1736 1737 1738static int __devinit savage_map_mmio(struct fb_info *info) 1739{ 1740 struct savagefb_par *par = info->par; 1741 DBG("savage_map_mmio"); 1742 1743 if (S3_SAVAGE3D_SERIES(par->chip)) 1744 par->mmio.pbase = pci_resource_start(par->pcidev, 0) + 1745 SAVAGE_NEWMMIO_REGBASE_S3; 1746 else 1747 par->mmio.pbase = pci_resource_start(par->pcidev, 0) + 1748 SAVAGE_NEWMMIO_REGBASE_S4; 1749 1750 par->mmio.len = SAVAGE_NEWMMIO_REGSIZE; 1751 1752 par->mmio.vbase = ioremap(par->mmio.pbase, par->mmio.len); 1753 if (!par->mmio.vbase) { 1754 printk("savagefb: unable to map memory mapped IO\n"); 1755 return -ENOMEM; 1756 } else 1757 printk(KERN_INFO "savagefb: mapped io at %p\n", 1758 par->mmio.vbase); 1759 1760 info->fix.mmio_start = par->mmio.pbase; 1761 info->fix.mmio_len = par->mmio.len; 1762 1763 par->bci_base = (u32 __iomem *)(par->mmio.vbase + BCI_BUFFER_OFFSET); 1764 par->bci_ptr = 0; 1765 1766 savage_enable_mmio(par); 1767 1768 return 0; 1769} 1770 1771static void savage_unmap_mmio(struct fb_info *info) 1772{ 1773 struct savagefb_par *par = info->par; 1774 DBG("savage_unmap_mmio"); 1775 1776 savage_disable_mmio(par); 1777 1778 if (par->mmio.vbase) { 1779 iounmap(par->mmio.vbase); 1780 par->mmio.vbase = NULL; 1781 } 1782} 1783 1784static int __devinit savage_map_video(struct fb_info *info, 1785 int video_len) 1786{ 1787 struct savagefb_par *par = info->par; 1788 int resource; 1789 1790 DBG("savage_map_video"); 1791 1792 if (S3_SAVAGE3D_SERIES(par->chip)) 1793 resource = 0; 1794 else 1795 resource = 1; 1796 1797 par->video.pbase = pci_resource_start(par->pcidev, resource); 1798 par->video.len = video_len; 1799 par->video.vbase = ioremap(par->video.pbase, par->video.len); 1800 1801 if (!par->video.vbase) { 1802 printk("savagefb: unable to map screen memory\n"); 1803 return -ENOMEM; 1804 } else 1805 printk(KERN_INFO "savagefb: mapped framebuffer at %p, " 1806 "pbase == %x\n", par->video.vbase, par->video.pbase); 1807 1808 info->fix.smem_start = par->video.pbase; 1809 info->fix.smem_len = par->video.len - par->cob_size; 1810 info->screen_base = par->video.vbase; 1811 1812#ifdef CONFIG_MTRR 1813 par->video.mtrr = mtrr_add(par->video.pbase, video_len, 1814 MTRR_TYPE_WRCOMB, 1); 1815#endif 1816 1817 /* Clear framebuffer, it's all white in memory after boot */ 1818 memset_io(par->video.vbase, 0, par->video.len); 1819 1820 return 0; 1821} 1822 1823static void savage_unmap_video(struct fb_info *info) 1824{ 1825 struct savagefb_par *par = info->par; 1826 1827 DBG("savage_unmap_video"); 1828 1829 if (par->video.vbase) { 1830#ifdef CONFIG_MTRR 1831 mtrr_del(par->video.mtrr, par->video.pbase, par->video.len); 1832#endif 1833 1834 iounmap(par->video.vbase); 1835 par->video.vbase = NULL; 1836 info->screen_base = NULL; 1837 } 1838} 1839 1840static int savage_init_hw(struct savagefb_par *par) 1841{ 1842 unsigned char config1, m, n, n1, n2, sr8, cr3f, cr66 = 0, tmp; 1843 1844 static unsigned char RamSavage3D[] = { 8, 4, 4, 2 }; 1845 static unsigned char RamSavage4[] = { 2, 4, 8, 12, 16, 32, 64, 32 }; 1846 static unsigned char RamSavageMX[] = { 2, 8, 4, 16, 8, 16, 4, 16 }; 1847 static unsigned char RamSavageNB[] = { 0, 2, 4, 8, 16, 32, 2, 2 }; 1848 int videoRam, videoRambytes, dvi; 1849 1850 DBG("savage_init_hw"); 1851 1852 /* unprotect CRTC[0-7] */ 1853 vga_out8(0x3d4, 0x11, par); 1854 tmp = vga_in8(0x3d5, par); 1855 vga_out8(0x3d5, tmp & 0x7f, par); 1856 1857 /* unlock extended regs */ 1858 vga_out16(0x3d4, 0x4838, par); 1859 vga_out16(0x3d4, 0xa039, par); 1860 vga_out16(0x3c4, 0x0608, par); 1861 1862 vga_out8(0x3d4, 0x40, par); 1863 tmp = vga_in8(0x3d5, par); 1864 vga_out8(0x3d5, tmp & ~0x01, par); 1865 1866 /* unlock sys regs */ 1867 vga_out8(0x3d4, 0x38, par); 1868 vga_out8(0x3d5, 0x48, par); 1869 1870 /* Unlock system registers. */ 1871 vga_out16(0x3d4, 0x4838, par); 1872 1873 /* Next go on to detect amount of installed ram */ 1874 1875 vga_out8(0x3d4, 0x36, par); /* for register CR36 (CONFG_REG1), */ 1876 config1 = vga_in8(0x3d5, par); /* get amount of vram installed */ 1877 1878 /* Compute the amount of video memory and offscreen memory. */ 1879 1880 switch (par->chip) { 1881 case S3_SAVAGE3D: 1882 videoRam = RamSavage3D[(config1 & 0xC0) >> 6 ] * 1024; 1883 break; 1884 1885 case S3_SAVAGE4: 1886 /* 1887 * The Savage4 has one ugly special case to consider. On 1888 * systems with 4 banks of 2Mx32 SDRAM, the BIOS says 4MB 1889 * when it really means 8MB. Why do it the same when you 1890 * can do it different... 1891 */ 1892 vga_out8(0x3d4, 0x68, par); /* memory control 1 */ 1893 if ((vga_in8(0x3d5, par) & 0xC0) == (0x01 << 6)) 1894 RamSavage4[1] = 8; 1895 1896 /*FALLTHROUGH*/ 1897 1898 case S3_SAVAGE2000: 1899 videoRam = RamSavage4[(config1 & 0xE0) >> 5] * 1024; 1900 break; 1901 1902 case S3_SAVAGE_MX: 1903 case S3_SUPERSAVAGE: 1904 videoRam = RamSavageMX[(config1 & 0x0E) >> 1] * 1024; 1905 break; 1906 1907 case S3_PROSAVAGE: 1908 videoRam = RamSavageNB[(config1 & 0xE0) >> 5] * 1024; 1909 break; 1910 1911 default: 1912 /* How did we get here? */ 1913 videoRam = 0; 1914 break; 1915 } 1916 1917 videoRambytes = videoRam * 1024; 1918 1919 printk(KERN_INFO "savagefb: probed videoram: %dk\n", videoRam); 1920 1921 /* reset graphics engine to avoid memory corruption */ 1922 vga_out8(0x3d4, 0x66, par); 1923 cr66 = vga_in8(0x3d5, par); 1924 vga_out8(0x3d5, cr66 | 0x02, par); 1925 udelay(10000); 1926 1927 vga_out8(0x3d4, 0x66, par); 1928 vga_out8(0x3d5, cr66 & ~0x02, par); /* clear reset flag */ 1929 udelay(10000); 1930 1931 1932 /* 1933 * reset memory interface, 3D engine, AGP master, PCI master, 1934 * master engine unit, motion compensation/LPB 1935 */ 1936 vga_out8(0x3d4, 0x3f, par); 1937 cr3f = vga_in8(0x3d5, par); 1938 vga_out8(0x3d5, cr3f | 0x08, par); 1939 udelay(10000); 1940 1941 vga_out8(0x3d4, 0x3f, par); 1942 vga_out8(0x3d5, cr3f & ~0x08, par); /* clear reset flags */ 1943 udelay(10000); 1944 1945 /* Savage ramdac speeds */ 1946 par->numClocks = 4; 1947 par->clock[0] = 250000; 1948 par->clock[1] = 250000; 1949 par->clock[2] = 220000; 1950 par->clock[3] = 220000; 1951 1952 /* detect current mclk */ 1953 vga_out8(0x3c4, 0x08, par); 1954 sr8 = vga_in8(0x3c5, par); 1955 vga_out8(0x3c5, 0x06, par); 1956 vga_out8(0x3c4, 0x10, par); 1957 n = vga_in8(0x3c5, par); 1958 vga_out8(0x3c4, 0x11, par); 1959 m = vga_in8(0x3c5, par); 1960 vga_out8(0x3c4, 0x08, par); 1961 vga_out8(0x3c5, sr8, par); 1962 m &= 0x7f; 1963 n1 = n & 0x1f; 1964 n2 = (n >> 5) & 0x03; 1965 par->MCLK = ((1431818 * (m+2)) / (n1+2) / (1 << n2) + 50) / 100; 1966 printk(KERN_INFO "savagefb: Detected current MCLK value of %d kHz\n", 1967 par->MCLK); 1968 1969 /* check for DVI/flat panel */ 1970 dvi = 0; 1971 1972 if (par->chip == S3_SAVAGE4) { 1973 unsigned char sr30 = 0x00; 1974 1975 vga_out8(0x3c4, 0x30, par); 1976 /* clear bit 1 */ 1977 vga_out8(0x3c5, vga_in8(0x3c5, par) & ~0x02, par); 1978 sr30 = vga_in8(0x3c5, par); 1979 if (sr30 & 0x02 /*0x04 */) { 1980 dvi = 1; 1981 printk("savagefb: Digital Flat Panel Detected\n"); 1982 } 1983 } 1984 1985 if (S3_SAVAGE_MOBILE_SERIES(par->chip) && !par->crtonly) 1986 par->display_type = DISP_LCD; 1987 else if (dvi || (par->chip == S3_SAVAGE4 && par->dvi)) 1988 par->display_type = DISP_DFP; 1989 else 1990 par->display_type = DISP_CRT; 1991 1992 /* Check LCD panel parrmation */ 1993 1994 if (par->display_type == DISP_LCD) { 1995 unsigned char cr6b = VGArCR(0x6b, par); 1996 1997 int panelX = (VGArSEQ(0x61, par) + 1998 ((VGArSEQ(0x66, par) & 0x02) << 7) + 1) * 8; 1999 int panelY = (VGArSEQ(0x69, par) + 2000 ((VGArSEQ(0x6e, par) & 0x70) << 4) + 1); 2001 2002 char * sTechnology = "Unknown"; 2003 2004 /* OK, I admit it. I don't know how to limit the max dot clock 2005 * for LCD panels of various sizes. I thought I copied the 2006 * formula from the BIOS, but many users have parrmed me of 2007 * my folly. 2008 * 2009 * Instead, I'll abandon any attempt to automatically limit the 2010 * clock, and add an LCDClock option to XF86Config. Some day, 2011 * I should come back to this. 2012 */ 2013 2014 enum ACTIVE_DISPLAYS { /* These are the bits in CR6B */ 2015 ActiveCRT = 0x01, 2016 ActiveLCD = 0x02, 2017 ActiveTV = 0x04, 2018 ActiveCRT2 = 0x20, 2019 ActiveDUO = 0x80 2020 }; 2021 2022 if ((VGArSEQ(0x39, par) & 0x03) == 0) { 2023 sTechnology = "TFT"; 2024 } else if ((VGArSEQ(0x30, par) & 0x01) == 0) { 2025 sTechnology = "DSTN"; 2026 } else { 2027 sTechnology = "STN"; 2028 } 2029 2030 printk(KERN_INFO "savagefb: %dx%d %s LCD panel detected %s\n", 2031 panelX, panelY, sTechnology, 2032 cr6b & ActiveLCD ? "and active" : "but not active"); 2033 2034 if (cr6b & ActiveLCD) { 2035 /* 2036 * If the LCD is active and panel expansion is enabled, 2037 * we probably want to kill the HW cursor. 2038 */ 2039 2040 printk(KERN_INFO "savagefb: Limiting video mode to " 2041 "%dx%d\n", panelX, panelY); 2042 2043 par->SavagePanelWidth = panelX; 2044 par->SavagePanelHeight = panelY; 2045 2046 } else 2047 par->display_type = DISP_CRT; 2048 } 2049 2050 savage_get_default_par(par, &par->state); 2051 par->save = par->state; 2052 2053 if (S3_SAVAGE4_SERIES(par->chip)) { 2054 /* 2055 * The Savage4 and ProSavage have COB coherency bugs which 2056 * render the buffer useless. We disable it. 2057 */ 2058 par->cob_index = 2; 2059 par->cob_size = 0x8000 << par->cob_index; 2060 par->cob_offset = videoRambytes; 2061 } else { 2062 /* We use 128kB for the COB on all chips. */ 2063 2064 par->cob_index = 7; 2065 par->cob_size = 0x400 << par->cob_index; 2066 par->cob_offset = videoRambytes - par->cob_size; 2067 } 2068 2069 return videoRambytes; 2070} 2071 2072static int __devinit savage_init_fb_info(struct fb_info *info, 2073 struct pci_dev *dev, 2074 const struct pci_device_id *id) 2075{ 2076 struct savagefb_par *par = info->par; 2077 int err = 0; 2078 2079 par->pcidev = dev; 2080 2081 info->fix.type = FB_TYPE_PACKED_PIXELS; 2082 info->fix.type_aux = 0; 2083 info->fix.ypanstep = 1; 2084 info->fix.ywrapstep = 0; 2085 info->fix.accel = id->driver_data; 2086 2087 switch (info->fix.accel) { 2088 case FB_ACCEL_SUPERSAVAGE: 2089 par->chip = S3_SUPERSAVAGE; 2090 snprintf(info->fix.id, 16, "SuperSavage"); 2091 break; 2092 case FB_ACCEL_SAVAGE4: 2093 par->chip = S3_SAVAGE4; 2094 snprintf(info->fix.id, 16, "Savage4"); 2095 break; 2096 case FB_ACCEL_SAVAGE3D: 2097 par->chip = S3_SAVAGE3D; 2098 snprintf(info->fix.id, 16, "Savage3D"); 2099 break; 2100 case FB_ACCEL_SAVAGE3D_MV: 2101 par->chip = S3_SAVAGE3D; 2102 snprintf(info->fix.id, 16, "Savage3D-MV"); 2103 break; 2104 case FB_ACCEL_SAVAGE2000: 2105 par->chip = S3_SAVAGE2000; 2106 snprintf(info->fix.id, 16, "Savage2000"); 2107 break; 2108 case FB_ACCEL_SAVAGE_MX_MV: 2109 par->chip = S3_SAVAGE_MX; 2110 snprintf(info->fix.id, 16, "Savage/MX-MV"); 2111 break; 2112 case FB_ACCEL_SAVAGE_MX: 2113 par->chip = S3_SAVAGE_MX; 2114 snprintf(info->fix.id, 16, "Savage/MX"); 2115 break; 2116 case FB_ACCEL_SAVAGE_IX_MV: 2117 par->chip = S3_SAVAGE_MX; 2118 snprintf(info->fix.id, 16, "Savage/IX-MV"); 2119 break; 2120 case FB_ACCEL_SAVAGE_IX: 2121 par->chip = S3_SAVAGE_MX; 2122 snprintf(info->fix.id, 16, "Savage/IX"); 2123 break; 2124 case FB_ACCEL_PROSAVAGE_PM: 2125 par->chip = S3_PROSAVAGE; 2126 snprintf(info->fix.id, 16, "ProSavagePM"); 2127 break; 2128 case FB_ACCEL_PROSAVAGE_KM: 2129 par->chip = S3_PROSAVAGE; 2130 snprintf(info->fix.id, 16, "ProSavageKM"); 2131 break; 2132 case FB_ACCEL_S3TWISTER_P: 2133 par->chip = S3_PROSAVAGE; 2134 snprintf(info->fix.id, 16, "TwisterP"); 2135 break; 2136 case FB_ACCEL_S3TWISTER_K: 2137 par->chip = S3_PROSAVAGE; 2138 snprintf(info->fix.id, 16, "TwisterK"); 2139 break; 2140 case FB_ACCEL_PROSAVAGE_DDR: 2141 par->chip = S3_PROSAVAGE; 2142 snprintf(info->fix.id, 16, "ProSavageDDR"); 2143 break; 2144 case FB_ACCEL_PROSAVAGE_DDRK: 2145 par->chip = S3_PROSAVAGE; 2146 snprintf(info->fix.id, 16, "ProSavage8"); 2147 break; 2148 } 2149 2150 if (S3_SAVAGE3D_SERIES(par->chip)) { 2151 par->SavageWaitIdle = savage3D_waitidle; 2152 par->SavageWaitFifo = savage3D_waitfifo; 2153 } else if (S3_SAVAGE4_SERIES(par->chip) || 2154 S3_SUPERSAVAGE == par->chip) { 2155 par->SavageWaitIdle = savage4_waitidle; 2156 par->SavageWaitFifo = savage4_waitfifo; 2157 } else { 2158 par->SavageWaitIdle = savage2000_waitidle; 2159 par->SavageWaitFifo = savage2000_waitfifo; 2160 } 2161 2162 info->var.nonstd = 0; 2163 info->var.activate = FB_ACTIVATE_NOW; 2164 info->var.width = -1; 2165 info->var.height = -1; 2166 info->var.accel_flags = 0; 2167 2168 info->fbops = &savagefb_ops; 2169 info->flags = FBINFO_DEFAULT | 2170 FBINFO_HWACCEL_YPAN | 2171 FBINFO_HWACCEL_XPAN; 2172 2173 info->pseudo_palette = par->pseudo_palette; 2174 2175#if defined(CONFIG_FB_SAVAGE_ACCEL) 2176 /* FIFO size + padding for commands */ 2177 info->pixmap.addr = kmalloc(8*1024, GFP_KERNEL); 2178 2179 err = -ENOMEM; 2180 if (info->pixmap.addr) { 2181 memset(info->pixmap.addr, 0, 8*1024); 2182 info->pixmap.size = 8*1024; 2183 info->pixmap.scan_align = 4; 2184 info->pixmap.buf_align = 4; 2185 info->pixmap.access_align = 32; 2186 2187 err = fb_alloc_cmap(&info->cmap, NR_PALETTE, 0); 2188 if (!err) 2189 info->flags |= FBINFO_HWACCEL_COPYAREA | 2190 FBINFO_HWACCEL_FILLRECT | 2191 FBINFO_HWACCEL_IMAGEBLIT; 2192 } 2193#endif 2194 return err; 2195} 2196 2197/* --------------------------------------------------------------------- */ 2198 2199static int __devinit savagefb_probe(struct pci_dev* dev, 2200 const struct pci_device_id* id) 2201{ 2202 struct fb_info *info; 2203 struct savagefb_par *par; 2204 u_int h_sync, v_sync; 2205 int err, lpitch; 2206 int video_len; 2207 2208 DBG("savagefb_probe"); 2209 2210 info = framebuffer_alloc(sizeof(struct savagefb_par), &dev->dev); 2211 if (!info) 2212 return -ENOMEM; 2213 par = info->par; 2214 mutex_init(&par->open_lock); 2215 err = pci_enable_device(dev); 2216 if (err) 2217 goto failed_enable; 2218 2219 if ((err = pci_request_regions(dev, "savagefb"))) { 2220 printk(KERN_ERR "cannot request PCI regions\n"); 2221 goto failed_enable; 2222 } 2223 2224 err = -ENOMEM; 2225 2226 if ((err = savage_init_fb_info(info, dev, id))) 2227 goto failed_init; 2228 2229 err = savage_map_mmio(info); 2230 if (err) 2231 goto failed_mmio; 2232 2233 video_len = savage_init_hw(par); 2234 if (video_len < 0) { 2235 err = video_len; 2236 goto failed_mmio; 2237 } 2238 2239 err = savage_map_video(info, video_len); 2240 if (err) 2241 goto failed_video; 2242 2243 INIT_LIST_HEAD(&info->modelist); 2244#if defined(CONFIG_FB_SAVAGE_I2C) 2245 savagefb_create_i2c_busses(info); 2246 savagefb_probe_i2c_connector(info, &par->edid); 2247 fb_edid_to_monspecs(par->edid, &info->monspecs); 2248 kfree(par->edid); 2249 fb_videomode_to_modelist(info->monspecs.modedb, 2250 info->monspecs.modedb_len, 2251 &info->modelist); 2252#endif 2253 info->var = savagefb_var800x600x8; 2254 2255 if (mode_option) { 2256 fb_find_mode(&info->var, info, mode_option, 2257 info->monspecs.modedb, info->monspecs.modedb_len, 2258 NULL, 8); 2259 } else if (info->monspecs.modedb != NULL) { 2260 const struct fb_videomode *mode; 2261 2262 mode = fb_find_best_display(&info->monspecs, &info->modelist); 2263 savage_update_var(&info->var, mode); 2264 } 2265 2266 /* maximize virtual vertical length */ 2267 lpitch = info->var.xres_virtual*((info->var.bits_per_pixel + 7) >> 3); 2268 info->var.yres_virtual = info->fix.smem_len/lpitch; 2269 2270 if (info->var.yres_virtual < info->var.yres) 2271 goto failed; 2272 2273#if defined(CONFIG_FB_SAVAGE_ACCEL) 2274 /* 2275 * The clipping coordinates are masked with 0xFFF, so limit our 2276 * virtual resolutions to these sizes. 2277 */ 2278 if (info->var.yres_virtual > 0x1000) 2279 info->var.yres_virtual = 0x1000; 2280 2281 if (info->var.xres_virtual > 0x1000) 2282 info->var.xres_virtual = 0x1000; 2283#endif 2284 savagefb_check_var(&info->var, info); 2285 savagefb_set_fix(info); 2286 2287 /* 2288 * Calculate the hsync and vsync frequencies. Note that 2289 * we split the 1e12 constant up so that we can preserve 2290 * the precision and fit the results into 32-bit registers. 2291 * (1953125000 * 512 = 1e12) 2292 */ 2293 h_sync = 1953125000 / info->var.pixclock; 2294 h_sync = h_sync * 512 / (info->var.xres + info->var.left_margin + 2295 info->var.right_margin + 2296 info->var.hsync_len); 2297 v_sync = h_sync / (info->var.yres + info->var.upper_margin + 2298 info->var.lower_margin + info->var.vsync_len); 2299 2300 printk(KERN_INFO "savagefb v" SAVAGEFB_VERSION ": " 2301 "%dkB VRAM, using %dx%d, %d.%03dkHz, %dHz\n", 2302 info->fix.smem_len >> 10, 2303 info->var.xres, info->var.yres, 2304 h_sync / 1000, h_sync % 1000, v_sync); 2305 2306 2307 fb_destroy_modedb(info->monspecs.modedb); 2308 info->monspecs.modedb = NULL; 2309 2310 err = register_framebuffer(info); 2311 if (err < 0) 2312 goto failed; 2313 2314 printk(KERN_INFO "fb: S3 %s frame buffer device\n", 2315 info->fix.id); 2316 2317 /* 2318 * Our driver data 2319 */ 2320 pci_set_drvdata(dev, info); 2321 2322 return 0; 2323 2324 failed: 2325#ifdef CONFIG_FB_SAVAGE_I2C 2326 savagefb_delete_i2c_busses(info); 2327#endif 2328 fb_alloc_cmap(&info->cmap, 0, 0); 2329 savage_unmap_video(info); 2330 failed_video: 2331 savage_unmap_mmio(info); 2332 failed_mmio: 2333 kfree(info->pixmap.addr); 2334 failed_init: 2335 pci_release_regions(dev); 2336 failed_enable: 2337 framebuffer_release(info); 2338 2339 return err; 2340} 2341 2342static void __devexit savagefb_remove(struct pci_dev *dev) 2343{ 2344 struct fb_info *info = pci_get_drvdata(dev); 2345 2346 DBG("savagefb_remove"); 2347 2348 if (info) { 2349 /* 2350 * If unregister_framebuffer fails, then 2351 * we will be leaving hooks that could cause 2352 * oopsen laying around. 2353 */ 2354 if (unregister_framebuffer(info)) 2355 printk(KERN_WARNING "savagefb: danger danger! " 2356 "Oopsen imminent!\n"); 2357 2358#ifdef CONFIG_FB_SAVAGE_I2C 2359 savagefb_delete_i2c_busses(info); 2360#endif 2361 fb_alloc_cmap(&info->cmap, 0, 0); 2362 savage_unmap_video(info); 2363 savage_unmap_mmio(info); 2364 kfree(info->pixmap.addr); 2365 pci_release_regions(dev); 2366 framebuffer_release(info); 2367 2368 /* 2369 * Ensure that the driver data is no longer 2370 * valid. 2371 */ 2372 pci_set_drvdata(dev, NULL); 2373 } 2374} 2375 2376static int savagefb_suspend(struct pci_dev *dev, pm_message_t mesg) 2377{ 2378 struct fb_info *info = pci_get_drvdata(dev); 2379 struct savagefb_par *par = info->par; 2380 2381 DBG("savagefb_suspend"); 2382 2383 if (mesg.event == PM_EVENT_PRETHAW) 2384 mesg.event = PM_EVENT_FREEZE; 2385 par->pm_state = mesg.event; 2386 dev->dev.power.power_state = mesg; 2387 2388 /* 2389 * For PM_EVENT_FREEZE, do not power down so the console 2390 * can remain active. 2391 */ 2392 if (mesg.event == PM_EVENT_FREEZE) 2393 return 0; 2394 2395 acquire_console_sem(); 2396 fb_set_suspend(info, 1); 2397 2398 if (info->fbops->fb_sync) 2399 info->fbops->fb_sync(info); 2400 2401 savagefb_blank(FB_BLANK_POWERDOWN, info); 2402 savage_set_default_par(par, &par->save); 2403 savage_disable_mmio(par); 2404 pci_save_state(dev); 2405 pci_disable_device(dev); 2406 pci_set_power_state(dev, pci_choose_state(dev, mesg)); 2407 release_console_sem(); 2408 2409 return 0; 2410} 2411 2412static int savagefb_resume(struct pci_dev* dev) 2413{ 2414 struct fb_info *info = pci_get_drvdata(dev); 2415 struct savagefb_par *par = info->par; 2416 int cur_state = par->pm_state; 2417 2418 DBG("savage_resume"); 2419 2420 par->pm_state = PM_EVENT_ON; 2421 2422 /* 2423 * The adapter was not powered down coming back from a 2424 * PM_EVENT_FREEZE. 2425 */ 2426 if (cur_state == PM_EVENT_FREEZE) { 2427 pci_set_power_state(dev, PCI_D0); 2428 return 0; 2429 } 2430 2431 acquire_console_sem(); 2432 2433 pci_set_power_state(dev, PCI_D0); 2434 pci_restore_state(dev); 2435 2436 if (pci_enable_device(dev)) 2437 DBG("err"); 2438 2439 pci_set_master(dev); 2440 savage_enable_mmio(par); 2441 savage_init_hw(par); 2442 savagefb_set_par(info); 2443 fb_set_suspend(info, 0); 2444 savagefb_blank(FB_BLANK_UNBLANK, info); 2445 release_console_sem(); 2446 2447 return 0; 2448} 2449 2450 2451static struct pci_device_id savagefb_devices[] __devinitdata = { 2452 {PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_MX128, 2453 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE}, 2454 2455 {PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_MX64, 2456 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE}, 2457 2458 {PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_MX64C, 2459 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE}, 2460 2461 {PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_IX128SDR, 2462 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE}, 2463 2464 {PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_IX128DDR, 2465 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE}, 2466 2467 {PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_IX64SDR, 2468 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE}, 2469 2470 {PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_IX64DDR, 2471 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE}, 2472 2473 {PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_IXCSDR, 2474 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE}, 2475 2476 {PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_IXCDDR, 2477 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE}, 2478 2479 {PCI_VENDOR_ID_S3, PCI_CHIP_SAVAGE4, 2480 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SAVAGE4}, 2481 2482 {PCI_VENDOR_ID_S3, PCI_CHIP_SAVAGE3D, 2483 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SAVAGE3D}, 2484 2485 {PCI_VENDOR_ID_S3, PCI_CHIP_SAVAGE3D_MV, 2486 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SAVAGE3D_MV}, 2487 2488 {PCI_VENDOR_ID_S3, PCI_CHIP_SAVAGE2000, 2489 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SAVAGE2000}, 2490 2491 {PCI_VENDOR_ID_S3, PCI_CHIP_SAVAGE_MX_MV, 2492 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SAVAGE_MX_MV}, 2493 2494 {PCI_VENDOR_ID_S3, PCI_CHIP_SAVAGE_MX, 2495 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SAVAGE_MX}, 2496 2497 {PCI_VENDOR_ID_S3, PCI_CHIP_SAVAGE_IX_MV, 2498 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SAVAGE_IX_MV}, 2499 2500 {PCI_VENDOR_ID_S3, PCI_CHIP_SAVAGE_IX, 2501 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SAVAGE_IX}, 2502 2503 {PCI_VENDOR_ID_S3, PCI_CHIP_PROSAVAGE_PM, 2504 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_PROSAVAGE_PM}, 2505 2506 {PCI_VENDOR_ID_S3, PCI_CHIP_PROSAVAGE_KM, 2507 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_PROSAVAGE_KM}, 2508 2509 {PCI_VENDOR_ID_S3, PCI_CHIP_S3TWISTER_P, 2510 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_S3TWISTER_P}, 2511 2512 {PCI_VENDOR_ID_S3, PCI_CHIP_S3TWISTER_K, 2513 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_S3TWISTER_K}, 2514 2515 {PCI_VENDOR_ID_S3, PCI_CHIP_PROSAVAGE_DDR, 2516 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_PROSAVAGE_DDR}, 2517 2518 {PCI_VENDOR_ID_S3, PCI_CHIP_PROSAVAGE_DDRK, 2519 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_PROSAVAGE_DDRK}, 2520 2521 {0, 0, 0, 0, 0, 0, 0} 2522}; 2523 2524MODULE_DEVICE_TABLE(pci, savagefb_devices); 2525 2526static struct pci_driver savagefb_driver = { 2527 .name = "savagefb", 2528 .id_table = savagefb_devices, 2529 .probe = savagefb_probe, 2530 .suspend = savagefb_suspend, 2531 .resume = savagefb_resume, 2532 .remove = __devexit_p(savagefb_remove) 2533}; 2534 2535/* **************************** exit-time only **************************** */ 2536 2537static void __exit savage_done(void) 2538{ 2539 DBG("savage_done"); 2540 pci_unregister_driver(&savagefb_driver); 2541} 2542 2543 2544/* ************************* init in-kernel code ************************** */ 2545 2546static int __init savagefb_setup(char *options) 2547{ 2548#ifndef MODULE 2549 char *this_opt; 2550 2551 if (!options || !*options) 2552 return 0; 2553 2554 while ((this_opt = strsep(&options, ",")) != NULL) { 2555 mode_option = this_opt; 2556 } 2557#endif /* !MODULE */ 2558 return 0; 2559} 2560 2561static int __init savagefb_init(void) 2562{ 2563 char *option; 2564 2565 DBG("savagefb_init"); 2566 2567 if (fb_get_options("savagefb", &option)) 2568 return -ENODEV; 2569 2570 savagefb_setup(option); 2571 return pci_register_driver(&savagefb_driver); 2572 2573} 2574 2575module_init(savagefb_init); 2576module_exit(savage_done); 2577 2578module_param(mode_option, charp, 0); 2579MODULE_PARM_DESC(mode_option, "Specify initial video mode"); 2580