1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * 4 * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200 and G400 5 * 6 * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz> 7 * 8 * Portions Copyright (c) 2001 Matrox Graphics Inc. 9 * 10 * Version: 1.65 2002/08/14 11 * 12 * MTRR stuff: 1998 Tom Rini <trini@kernel.crashing.org> 13 * 14 * Contributors: "menion?" <menion@mindless.com> 15 * Betatesting, fixes, ideas 16 * 17 * "Kurt Garloff" <garloff@suse.de> 18 * Betatesting, fixes, ideas, videomodes, videomodes timmings 19 * 20 * "Tom Rini" <trini@kernel.crashing.org> 21 * MTRR stuff, PPC cleanups, betatesting, fixes, ideas 22 * 23 * "Bibek Sahu" <scorpio@dodds.net> 24 * Access device through readb|w|l and write b|w|l 25 * Extensive debugging stuff 26 * 27 * "Daniel Haun" <haund@usa.net> 28 * Testing, hardware cursor fixes 29 * 30 * "Scott Wood" <sawst46+@pitt.edu> 31 * Fixes 32 * 33 * "Gerd Knorr" <kraxel@goldbach.isdn.cs.tu-berlin.de> 34 * Betatesting 35 * 36 * "Kelly French" <targon@hazmat.com> 37 * "Fernando Herrera" <fherrera@eurielec.etsit.upm.es> 38 * Betatesting, bug reporting 39 * 40 * "Pablo Bianucci" <pbian@pccp.com.ar> 41 * Fixes, ideas, betatesting 42 * 43 * "Inaky Perez Gonzalez" <inaky@peloncho.fis.ucm.es> 44 * Fixes, enhandcements, ideas, betatesting 45 * 46 * "Ryuichi Oikawa" <roikawa@rr.iiij4u.or.jp> 47 * PPC betatesting, PPC support, backward compatibility 48 * 49 * "Paul Womar" <Paul@pwomar.demon.co.uk> 50 * "Owen Waller" <O.Waller@ee.qub.ac.uk> 51 * PPC betatesting 52 * 53 * "Thomas Pornin" <pornin@bolet.ens.fr> 54 * Alpha betatesting 55 * 56 * "Pieter van Leuven" <pvl@iae.nl> 57 * "Ulf Jaenicke-Roessler" <ujr@physik.phy.tu-dresden.de> 58 * G100 testing 59 * 60 * "H. Peter Arvin" <hpa@transmeta.com> 61 * Ideas 62 * 63 * "Cort Dougan" <cort@cs.nmt.edu> 64 * CHRP fixes and PReP cleanup 65 * 66 * "Mark Vojkovich" <mvojkovi@ucsd.edu> 67 * G400 support 68 * 69 * "Samuel Hocevar" <sam@via.ecp.fr> 70 * Fixes 71 * 72 * "Anton Altaparmakov" <AntonA@bigfoot.com> 73 * G400 MAX/non-MAX distinction 74 * 75 * "Ken Aaker" <kdaaker@rchland.vnet.ibm.com> 76 * memtype extension (needed for GXT130P RS/6000 adapter) 77 * 78 * "Uns Lider" <unslider@miranda.org> 79 * G100 PLNWT fixes 80 * 81 * "Denis Zaitsev" <zzz@cd-club.ru> 82 * Fixes 83 * 84 * "Mike Pieper" <mike@pieper-family.de> 85 * TVOut enhandcements, V4L2 control interface. 86 * 87 * "Diego Biurrun" <diego@biurrun.de> 88 * DFP testing 89 * 90 * (following author is not in any relation with this code, but his code 91 * is included in this driver) 92 * 93 * Based on framebuffer driver for VBE 2.0 compliant graphic boards 94 * (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de> 95 * 96 * (following author is not in any relation with this code, but his ideas 97 * were used when writing this driver) 98 * 99 * FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk> 100 * 101 */ 102 103 #include <linux/version.h> 104 105 #include "matroxfb_base.h" 106 #include "matroxfb_misc.h" 107 #include "matroxfb_accel.h" 108 #include "matroxfb_DAC1064.h" 109 #include "matroxfb_Ti3026.h" 110 #include "matroxfb_maven.h" 111 #include "matroxfb_crtc2.h" 112 #include "matroxfb_g450.h" 113 #include <linux/matroxfb.h> 114 #include <linux/interrupt.h> 115 #include <linux/nvram.h> 116 #include <linux/slab.h> 117 #include <linux/uaccess.h> 118 119 #ifdef CONFIG_PPC_PMAC 120 #include <asm/machdep.h> 121 static int default_vmode = VMODE_NVRAM; 122 static int default_cmode = CMODE_NVRAM; 123 #endif 124 125 static void matroxfb_unregister_device(struct matrox_fb_info* minfo); 126 127 /* --------------------------------------------------------------------- */ 128 129 /* 130 * card parameters 131 */ 132 133 /* --------------------------------------------------------------------- */ 134 135 static struct fb_var_screeninfo vesafb_defined = { 136 640,480,640,480,/* W,H, W, H (virtual) load xres,xres_virtual*/ 137 0,0, /* virtual -> visible no offset */ 138 8, /* depth -> load bits_per_pixel */ 139 0, /* greyscale ? */ 140 {0,0,0}, /* R */ 141 {0,0,0}, /* G */ 142 {0,0,0}, /* B */ 143 {0,0,0}, /* transparency */ 144 0, /* standard pixel format */ 145 FB_ACTIVATE_NOW, 146 -1,-1, 147 FB_ACCELF_TEXT, /* accel flags */ 148 39721L,48L,16L,33L,10L, 149 96L,2L,~0, /* No sync info */ 150 FB_VMODE_NONINTERLACED, 151 }; 152 153 154 155 /* --------------------------------------------------------------------- */ 156 static void update_crtc2(struct matrox_fb_info *minfo, unsigned int pos) 157 { 158 struct matroxfb_dh_fb_info *info = minfo->crtc2.info; 159 160 /* Make sure that displays are compatible */ 161 if (info && (info->fbcon.var.bits_per_pixel == minfo->fbcon.var.bits_per_pixel) 162 && (info->fbcon.var.xres_virtual == minfo->fbcon.var.xres_virtual) 163 && (info->fbcon.var.green.length == minfo->fbcon.var.green.length) 164 ) { 165 switch (minfo->fbcon.var.bits_per_pixel) { 166 case 16: 167 case 32: 168 pos = pos * 8; 169 if (info->interlaced) { 170 mga_outl(0x3C2C, pos); 171 mga_outl(0x3C28, pos + minfo->fbcon.var.xres_virtual * minfo->fbcon.var.bits_per_pixel / 8); 172 } else { 173 mga_outl(0x3C28, pos); 174 } 175 break; 176 } 177 } 178 } 179 180 static void matroxfb_crtc1_panpos(struct matrox_fb_info *minfo) 181 { 182 if (minfo->crtc1.panpos >= 0) { 183 unsigned long flags; 184 int panpos; 185 186 matroxfb_DAC_lock_irqsave(flags); 187 panpos = minfo->crtc1.panpos; 188 if (panpos >= 0) { 189 unsigned int extvga_reg; 190 191 minfo->crtc1.panpos = -1; /* No update pending anymore */ 192 extvga_reg = mga_inb(M_EXTVGA_INDEX); 193 mga_setr(M_EXTVGA_INDEX, 0x00, panpos); 194 if (extvga_reg != 0x00) { 195 mga_outb(M_EXTVGA_INDEX, extvga_reg); 196 } 197 } 198 matroxfb_DAC_unlock_irqrestore(flags); 199 } 200 } 201 202 static irqreturn_t matrox_irq(int irq, void *dev_id) 203 { 204 u_int32_t status; 205 int handled = 0; 206 struct matrox_fb_info *minfo = dev_id; 207 208 status = mga_inl(M_STATUS); 209 210 if (status & 0x20) { 211 mga_outl(M_ICLEAR, 0x20); 212 minfo->crtc1.vsync.cnt++; 213 matroxfb_crtc1_panpos(minfo); 214 wake_up_interruptible(&minfo->crtc1.vsync.wait); 215 handled = 1; 216 } 217 if (status & 0x200) { 218 mga_outl(M_ICLEAR, 0x200); 219 minfo->crtc2.vsync.cnt++; 220 wake_up_interruptible(&minfo->crtc2.vsync.wait); 221 handled = 1; 222 } 223 return IRQ_RETVAL(handled); 224 } 225 226 int matroxfb_enable_irq(struct matrox_fb_info *minfo, int reenable) 227 { 228 u_int32_t bm; 229 230 if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400) 231 bm = 0x220; 232 else 233 bm = 0x020; 234 235 if (!test_and_set_bit(0, &minfo->irq_flags)) { 236 if (request_irq(minfo->pcidev->irq, matrox_irq, 237 IRQF_SHARED, "matroxfb", minfo)) { 238 clear_bit(0, &minfo->irq_flags); 239 return -EINVAL; 240 } 241 /* Clear any pending field interrupts */ 242 mga_outl(M_ICLEAR, bm); 243 mga_outl(M_IEN, mga_inl(M_IEN) | bm); 244 } else if (reenable) { 245 u_int32_t ien; 246 247 ien = mga_inl(M_IEN); 248 if ((ien & bm) != bm) { 249 printk(KERN_DEBUG "matroxfb: someone disabled IRQ [%08X]\n", ien); 250 mga_outl(M_IEN, ien | bm); 251 } 252 } 253 return 0; 254 } 255 256 static void matroxfb_disable_irq(struct matrox_fb_info *minfo) 257 { 258 if (test_and_clear_bit(0, &minfo->irq_flags)) { 259 /* Flush pending pan-at-vbl request... */ 260 matroxfb_crtc1_panpos(minfo); 261 if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400) 262 mga_outl(M_IEN, mga_inl(M_IEN) & ~0x220); 263 else 264 mga_outl(M_IEN, mga_inl(M_IEN) & ~0x20); 265 free_irq(minfo->pcidev->irq, minfo); 266 } 267 } 268 269 int matroxfb_wait_for_sync(struct matrox_fb_info *minfo, u_int32_t crtc) 270 { 271 struct matrox_vsync *vs; 272 unsigned int cnt; 273 int ret; 274 275 switch (crtc) { 276 case 0: 277 vs = &minfo->crtc1.vsync; 278 break; 279 case 1: 280 if (minfo->devflags.accelerator != FB_ACCEL_MATROX_MGAG400) { 281 return -ENODEV; 282 } 283 vs = &minfo->crtc2.vsync; 284 break; 285 default: 286 return -ENODEV; 287 } 288 ret = matroxfb_enable_irq(minfo, 0); 289 if (ret) { 290 return ret; 291 } 292 293 cnt = vs->cnt; 294 ret = wait_event_interruptible_timeout(vs->wait, cnt != vs->cnt, HZ/10); 295 if (ret < 0) { 296 return ret; 297 } 298 if (ret == 0) { 299 matroxfb_enable_irq(minfo, 1); 300 return -ETIMEDOUT; 301 } 302 return 0; 303 } 304 305 /* --------------------------------------------------------------------- */ 306 307 static void matrox_pan_var(struct matrox_fb_info *minfo, 308 struct fb_var_screeninfo *var) 309 { 310 unsigned int pos; 311 unsigned short p0, p1, p2; 312 unsigned int p3; 313 int vbl; 314 unsigned long flags; 315 316 CRITFLAGS 317 318 DBG(__func__) 319 320 if (minfo->dead) 321 return; 322 323 minfo->fbcon.var.xoffset = var->xoffset; 324 minfo->fbcon.var.yoffset = var->yoffset; 325 pos = (minfo->fbcon.var.yoffset * minfo->fbcon.var.xres_virtual + minfo->fbcon.var.xoffset) * minfo->curr.final_bppShift / 32; 326 pos += minfo->curr.ydstorg.chunks; 327 p0 = minfo->hw.CRTC[0x0D] = pos & 0xFF; 328 p1 = minfo->hw.CRTC[0x0C] = (pos & 0xFF00) >> 8; 329 p2 = minfo->hw.CRTCEXT[0] = (minfo->hw.CRTCEXT[0] & 0xB0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40); 330 p3 = minfo->hw.CRTCEXT[8] = pos >> 21; 331 332 /* FB_ACTIVATE_VBL and we can acquire interrupts? Honor FB_ACTIVATE_VBL then... */ 333 vbl = (var->activate & FB_ACTIVATE_VBL) && (matroxfb_enable_irq(minfo, 0) == 0); 334 335 CRITBEGIN 336 337 matroxfb_DAC_lock_irqsave(flags); 338 mga_setr(M_CRTC_INDEX, 0x0D, p0); 339 mga_setr(M_CRTC_INDEX, 0x0C, p1); 340 if (minfo->devflags.support32MB) 341 mga_setr(M_EXTVGA_INDEX, 0x08, p3); 342 if (vbl) { 343 minfo->crtc1.panpos = p2; 344 } else { 345 /* Abort any pending change */ 346 minfo->crtc1.panpos = -1; 347 mga_setr(M_EXTVGA_INDEX, 0x00, p2); 348 } 349 matroxfb_DAC_unlock_irqrestore(flags); 350 351 update_crtc2(minfo, pos); 352 353 CRITEND 354 } 355 356 static void matroxfb_remove(struct matrox_fb_info *minfo, int dummy) 357 { 358 /* Currently we are holding big kernel lock on all dead & usecount updates. 359 * Destroy everything after all users release it. Especially do not unregister 360 * framebuffer and iounmap memory, neither fbmem nor fbcon-cfb* does not check 361 * for device unplugged when in use. 362 * In future we should point mmio.vbase & video.vbase somewhere where we can 363 * write data without causing too much damage... 364 */ 365 366 minfo->dead = 1; 367 if (minfo->usecount) { 368 /* destroy it later */ 369 return; 370 } 371 matroxfb_unregister_device(minfo); 372 unregister_framebuffer(&minfo->fbcon); 373 matroxfb_g450_shutdown(minfo); 374 arch_phys_wc_del(minfo->wc_cookie); 375 iounmap(minfo->mmio.vbase.vaddr); 376 iounmap(minfo->video.vbase.vaddr); 377 release_mem_region(minfo->video.base, minfo->video.len_maximum); 378 release_mem_region(minfo->mmio.base, 16384); 379 kfree(minfo); 380 } 381 382 /* 383 * Open/Release the frame buffer device 384 */ 385 386 static int matroxfb_open(struct fb_info *info, int user) 387 { 388 struct matrox_fb_info *minfo = info2minfo(info); 389 390 DBG_LOOP(__func__) 391 392 if (minfo->dead) { 393 return -ENXIO; 394 } 395 minfo->usecount++; 396 if (user) { 397 minfo->userusecount++; 398 } 399 return(0); 400 } 401 402 static int matroxfb_release(struct fb_info *info, int user) 403 { 404 struct matrox_fb_info *minfo = info2minfo(info); 405 406 DBG_LOOP(__func__) 407 408 if (user) { 409 if (0 == --minfo->userusecount) { 410 matroxfb_disable_irq(minfo); 411 } 412 } 413 if (!(--minfo->usecount) && minfo->dead) { 414 matroxfb_remove(minfo, 0); 415 } 416 return(0); 417 } 418 419 static int matroxfb_pan_display(struct fb_var_screeninfo *var, 420 struct fb_info* info) { 421 struct matrox_fb_info *minfo = info2minfo(info); 422 423 DBG(__func__) 424 425 matrox_pan_var(minfo, var); 426 return 0; 427 } 428 429 static int matroxfb_get_final_bppShift(const struct matrox_fb_info *minfo, 430 int bpp) 431 { 432 int bppshft2; 433 434 DBG(__func__) 435 436 bppshft2 = bpp; 437 if (!bppshft2) { 438 return 8; 439 } 440 if (isInterleave(minfo)) 441 bppshft2 >>= 1; 442 if (minfo->devflags.video64bits) 443 bppshft2 >>= 1; 444 return bppshft2; 445 } 446 447 static int matroxfb_test_and_set_rounding(const struct matrox_fb_info *minfo, 448 int xres, int bpp) 449 { 450 int over; 451 int rounding; 452 453 DBG(__func__) 454 455 switch (bpp) { 456 case 0: return xres; 457 case 4: rounding = 128; 458 break; 459 case 8: rounding = 64; /* doc says 64; 32 is OK for G400 */ 460 break; 461 case 16: rounding = 32; 462 break; 463 case 24: rounding = 64; /* doc says 64; 32 is OK for G400 */ 464 break; 465 default: rounding = 16; 466 /* on G400, 16 really does not work */ 467 if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400) 468 rounding = 32; 469 break; 470 } 471 if (isInterleave(minfo)) { 472 rounding *= 2; 473 } 474 over = xres % rounding; 475 if (over) 476 xres += rounding-over; 477 return xres; 478 } 479 480 static int matroxfb_pitch_adjust(const struct matrox_fb_info *minfo, int xres, 481 int bpp) 482 { 483 const int* width; 484 int xres_new; 485 486 DBG(__func__) 487 488 if (!bpp) return xres; 489 490 width = minfo->capable.vxres; 491 492 if (minfo->devflags.precise_width) { 493 while (*width) { 494 if ((*width >= xres) && (matroxfb_test_and_set_rounding(minfo, *width, bpp) == *width)) { 495 break; 496 } 497 width++; 498 } 499 xres_new = *width; 500 } else { 501 xres_new = matroxfb_test_and_set_rounding(minfo, xres, bpp); 502 } 503 return xres_new; 504 } 505 506 static int matroxfb_get_cmap_len(struct fb_var_screeninfo *var) { 507 508 DBG(__func__) 509 510 switch (var->bits_per_pixel) { 511 case 4: 512 return 16; /* pseudocolor... 16 entries HW palette */ 513 case 8: 514 return 256; /* pseudocolor... 256 entries HW palette */ 515 case 16: 516 return 16; /* directcolor... 16 entries SW palette */ 517 /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */ 518 case 24: 519 return 16; /* directcolor... 16 entries SW palette */ 520 /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */ 521 case 32: 522 return 16; /* directcolor... 16 entries SW palette */ 523 /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */ 524 } 525 return 16; /* return something reasonable... or panic()? */ 526 } 527 528 static int matroxfb_decode_var(const struct matrox_fb_info *minfo, 529 struct fb_var_screeninfo *var, int *visual, 530 int *video_cmap_len, unsigned int* ydstorg) 531 { 532 struct RGBT { 533 unsigned char bpp; 534 struct { 535 unsigned char offset, 536 length; 537 } red, 538 green, 539 blue, 540 transp; 541 signed char visual; 542 }; 543 static const struct RGBT table[]= { 544 { 8,{ 0,8},{0,8},{0,8},{ 0,0},MX_VISUAL_PSEUDOCOLOR}, 545 {15,{10,5},{5,5},{0,5},{15,1},MX_VISUAL_DIRECTCOLOR}, 546 {16,{11,5},{5,6},{0,5},{ 0,0},MX_VISUAL_DIRECTCOLOR}, 547 {24,{16,8},{8,8},{0,8},{ 0,0},MX_VISUAL_DIRECTCOLOR}, 548 {32,{16,8},{8,8},{0,8},{24,8},MX_VISUAL_DIRECTCOLOR} 549 }; 550 struct RGBT const *rgbt; 551 unsigned int bpp = var->bits_per_pixel; 552 unsigned int vramlen; 553 unsigned int memlen; 554 555 DBG(__func__) 556 557 switch (bpp) { 558 case 4: if (!minfo->capable.cfb4) return -EINVAL; 559 break; 560 case 8: break; 561 case 16: break; 562 case 24: break; 563 case 32: break; 564 default: return -EINVAL; 565 } 566 *ydstorg = 0; 567 vramlen = minfo->video.len_usable; 568 if (var->yres_virtual < var->yres) 569 var->yres_virtual = var->yres; 570 if (var->xres_virtual < var->xres) 571 var->xres_virtual = var->xres; 572 573 var->xres_virtual = matroxfb_pitch_adjust(minfo, var->xres_virtual, bpp); 574 memlen = var->xres_virtual * bpp * var->yres_virtual / 8; 575 if (memlen > vramlen) { 576 var->yres_virtual = vramlen * 8 / (var->xres_virtual * bpp); 577 memlen = var->xres_virtual * bpp * var->yres_virtual / 8; 578 } 579 /* There is hardware bug that no line can cross 4MB boundary */ 580 /* give up for CFB24, it is impossible to easy workaround it */ 581 /* for other try to do something */ 582 if (!minfo->capable.cross4MB && (memlen > 0x400000)) { 583 if (bpp == 24) { 584 /* sorry */ 585 } else { 586 unsigned int linelen; 587 unsigned int m1 = linelen = var->xres_virtual * bpp / 8; 588 unsigned int m2 = PAGE_SIZE; /* or 128 if you do not need PAGE ALIGNED address */ 589 unsigned int max_yres; 590 591 while (m1) { 592 while (m2 >= m1) m2 -= m1; 593 swap(m1, m2); 594 } 595 m2 = linelen * PAGE_SIZE / m2; 596 *ydstorg = m2 = 0x400000 % m2; 597 max_yres = (vramlen - m2) / linelen; 598 if (var->yres_virtual > max_yres) 599 var->yres_virtual = max_yres; 600 } 601 } 602 /* YDSTLEN contains only signed 16bit value */ 603 if (var->yres_virtual > 32767) 604 var->yres_virtual = 32767; 605 /* we must round yres/xres down, we already rounded y/xres_virtual up 606 if it was possible. We should return -EINVAL, but I disagree */ 607 if (var->yres_virtual < var->yres) 608 var->yres = var->yres_virtual; 609 if (var->xres_virtual < var->xres) 610 var->xres = var->xres_virtual; 611 if (var->xoffset + var->xres > var->xres_virtual) 612 var->xoffset = var->xres_virtual - var->xres; 613 if (var->yoffset + var->yres > var->yres_virtual) 614 var->yoffset = var->yres_virtual - var->yres; 615 616 if (bpp == 16 && var->green.length == 5) { 617 bpp--; /* an artificial value - 15 */ 618 } 619 620 for (rgbt = table; rgbt->bpp < bpp; rgbt++); 621 #define SETCLR(clr)\ 622 var->clr.offset = rgbt->clr.offset;\ 623 var->clr.length = rgbt->clr.length 624 SETCLR(red); 625 SETCLR(green); 626 SETCLR(blue); 627 SETCLR(transp); 628 #undef SETCLR 629 *visual = rgbt->visual; 630 631 if (bpp > 8) 632 dprintk("matroxfb: truecolor: " 633 "size=%d:%d:%d:%d, shift=%d:%d:%d:%d\n", 634 var->transp.length, var->red.length, var->green.length, var->blue.length, 635 var->transp.offset, var->red.offset, var->green.offset, var->blue.offset); 636 637 *video_cmap_len = matroxfb_get_cmap_len(var); 638 dprintk(KERN_INFO "requested %d*%d/%dbpp (%d*%d)\n", var->xres, var->yres, var->bits_per_pixel, 639 var->xres_virtual, var->yres_virtual); 640 return 0; 641 } 642 643 static int matroxfb_setcolreg(unsigned regno, unsigned red, unsigned green, 644 unsigned blue, unsigned transp, 645 struct fb_info *fb_info) 646 { 647 struct matrox_fb_info* minfo = container_of(fb_info, struct matrox_fb_info, fbcon); 648 649 DBG(__func__) 650 651 /* 652 * Set a single color register. The values supplied are 653 * already rounded down to the hardware's capabilities 654 * (according to the entries in the `var' structure). Return 655 * != 0 for invalid regno. 656 */ 657 658 if (regno >= minfo->curr.cmap_len) 659 return 1; 660 661 if (minfo->fbcon.var.grayscale) { 662 /* gray = 0.30*R + 0.59*G + 0.11*B */ 663 red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8; 664 } 665 666 red = CNVT_TOHW(red, minfo->fbcon.var.red.length); 667 green = CNVT_TOHW(green, minfo->fbcon.var.green.length); 668 blue = CNVT_TOHW(blue, minfo->fbcon.var.blue.length); 669 transp = CNVT_TOHW(transp, minfo->fbcon.var.transp.length); 670 671 switch (minfo->fbcon.var.bits_per_pixel) { 672 case 4: 673 case 8: 674 mga_outb(M_DAC_REG, regno); 675 mga_outb(M_DAC_VAL, red); 676 mga_outb(M_DAC_VAL, green); 677 mga_outb(M_DAC_VAL, blue); 678 break; 679 case 16: 680 if (regno >= 16) 681 break; 682 { 683 u_int16_t col = 684 (red << minfo->fbcon.var.red.offset) | 685 (green << minfo->fbcon.var.green.offset) | 686 (blue << minfo->fbcon.var.blue.offset) | 687 (transp << minfo->fbcon.var.transp.offset); /* for 1:5:5:5 */ 688 minfo->cmap[regno] = col | (col << 16); 689 } 690 break; 691 case 24: 692 case 32: 693 if (regno >= 16) 694 break; 695 minfo->cmap[regno] = 696 (red << minfo->fbcon.var.red.offset) | 697 (green << minfo->fbcon.var.green.offset) | 698 (blue << minfo->fbcon.var.blue.offset) | 699 (transp << minfo->fbcon.var.transp.offset); /* 8:8:8:8 */ 700 break; 701 } 702 return 0; 703 } 704 705 static void matroxfb_init_fix(struct matrox_fb_info *minfo) 706 { 707 struct fb_fix_screeninfo *fix = &minfo->fbcon.fix; 708 DBG(__func__) 709 710 strcpy(fix->id,"MATROX"); 711 712 fix->xpanstep = 8; /* 8 for 8bpp, 4 for 16bpp, 2 for 32bpp */ 713 fix->ypanstep = 1; 714 fix->ywrapstep = 0; 715 fix->mmio_start = minfo->mmio.base; 716 fix->mmio_len = minfo->mmio.len; 717 fix->accel = minfo->devflags.accelerator; 718 } 719 720 static void matroxfb_update_fix(struct matrox_fb_info *minfo) 721 { 722 struct fb_fix_screeninfo *fix = &minfo->fbcon.fix; 723 DBG(__func__) 724 725 mutex_lock(&minfo->fbcon.mm_lock); 726 fix->smem_start = minfo->video.base + minfo->curr.ydstorg.bytes; 727 fix->smem_len = minfo->video.len_usable - minfo->curr.ydstorg.bytes; 728 mutex_unlock(&minfo->fbcon.mm_lock); 729 } 730 731 static int matroxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) 732 { 733 int err; 734 int visual; 735 int cmap_len; 736 unsigned int ydstorg; 737 struct matrox_fb_info *minfo = info2minfo(info); 738 739 if (minfo->dead) { 740 return -ENXIO; 741 } 742 if ((err = matroxfb_decode_var(minfo, var, &visual, &cmap_len, &ydstorg)) != 0) 743 return err; 744 return 0; 745 } 746 747 static int matroxfb_set_par(struct fb_info *info) 748 { 749 int err; 750 int visual; 751 int cmap_len; 752 unsigned int ydstorg; 753 struct fb_var_screeninfo *var; 754 struct matrox_fb_info *minfo = info2minfo(info); 755 756 DBG(__func__) 757 758 if (minfo->dead) { 759 return -ENXIO; 760 } 761 762 var = &info->var; 763 if ((err = matroxfb_decode_var(minfo, var, &visual, &cmap_len, &ydstorg)) != 0) 764 return err; 765 minfo->fbcon.screen_base = vaddr_va(minfo->video.vbase) + ydstorg; 766 matroxfb_update_fix(minfo); 767 minfo->fbcon.fix.visual = visual; 768 minfo->fbcon.fix.type = FB_TYPE_PACKED_PIXELS; 769 minfo->fbcon.fix.type_aux = 0; 770 minfo->fbcon.fix.line_length = (var->xres_virtual * var->bits_per_pixel) >> 3; 771 { 772 unsigned int pos; 773 774 minfo->curr.cmap_len = cmap_len; 775 ydstorg += minfo->devflags.ydstorg; 776 minfo->curr.ydstorg.bytes = ydstorg; 777 minfo->curr.ydstorg.chunks = ydstorg >> (isInterleave(minfo) ? 3 : 2); 778 if (var->bits_per_pixel == 4) 779 minfo->curr.ydstorg.pixels = ydstorg; 780 else 781 minfo->curr.ydstorg.pixels = (ydstorg * 8) / var->bits_per_pixel; 782 minfo->curr.final_bppShift = matroxfb_get_final_bppShift(minfo, var->bits_per_pixel); 783 { struct my_timming mt; 784 struct matrox_hw_state* hw; 785 int out; 786 787 matroxfb_var2my(var, &mt); 788 mt.crtc = MATROXFB_SRC_CRTC1; 789 /* CRTC1 delays */ 790 switch (var->bits_per_pixel) { 791 case 0: mt.delay = 31 + 0; break; 792 case 16: mt.delay = 21 + 8; break; 793 case 24: mt.delay = 17 + 8; break; 794 case 32: mt.delay = 16 + 8; break; 795 default: mt.delay = 31 + 8; break; 796 } 797 798 hw = &minfo->hw; 799 800 down_read(&minfo->altout.lock); 801 for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) { 802 if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 && 803 minfo->outputs[out].output->compute) { 804 minfo->outputs[out].output->compute(minfo->outputs[out].data, &mt); 805 } 806 } 807 up_read(&minfo->altout.lock); 808 minfo->crtc1.pixclock = mt.pixclock; 809 minfo->crtc1.mnp = mt.mnp; 810 minfo->hw_switch->init(minfo, &mt); 811 pos = (var->yoffset * var->xres_virtual + var->xoffset) * minfo->curr.final_bppShift / 32; 812 pos += minfo->curr.ydstorg.chunks; 813 814 hw->CRTC[0x0D] = pos & 0xFF; 815 hw->CRTC[0x0C] = (pos & 0xFF00) >> 8; 816 hw->CRTCEXT[0] = (hw->CRTCEXT[0] & 0xF0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40); 817 hw->CRTCEXT[8] = pos >> 21; 818 minfo->hw_switch->restore(minfo); 819 update_crtc2(minfo, pos); 820 down_read(&minfo->altout.lock); 821 for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) { 822 if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 && 823 minfo->outputs[out].output->program) { 824 minfo->outputs[out].output->program(minfo->outputs[out].data); 825 } 826 } 827 for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) { 828 if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 && 829 minfo->outputs[out].output->start) { 830 minfo->outputs[out].output->start(minfo->outputs[out].data); 831 } 832 } 833 up_read(&minfo->altout.lock); 834 matrox_cfbX_init(minfo); 835 } 836 } 837 minfo->initialized = 1; 838 return 0; 839 } 840 841 static int matroxfb_get_vblank(struct matrox_fb_info *minfo, 842 struct fb_vblank *vblank) 843 { 844 unsigned int sts1; 845 846 matroxfb_enable_irq(minfo, 0); 847 memset(vblank, 0, sizeof(*vblank)); 848 vblank->flags = FB_VBLANK_HAVE_VCOUNT | FB_VBLANK_HAVE_VSYNC | 849 FB_VBLANK_HAVE_VBLANK | FB_VBLANK_HAVE_HBLANK; 850 sts1 = mga_inb(M_INSTS1); 851 vblank->vcount = mga_inl(M_VCOUNT); 852 /* BTW, on my PIII/450 with G400, reading M_INSTS1 853 byte makes this call about 12% slower (1.70 vs. 2.05 us 854 per ioctl()) */ 855 if (sts1 & 1) 856 vblank->flags |= FB_VBLANK_HBLANKING; 857 if (sts1 & 8) 858 vblank->flags |= FB_VBLANK_VSYNCING; 859 if (vblank->vcount >= minfo->fbcon.var.yres) 860 vblank->flags |= FB_VBLANK_VBLANKING; 861 if (test_bit(0, &minfo->irq_flags)) { 862 vblank->flags |= FB_VBLANK_HAVE_COUNT; 863 /* Only one writer, aligned int value... 864 it should work without lock and without atomic_t */ 865 vblank->count = minfo->crtc1.vsync.cnt; 866 } 867 return 0; 868 } 869 870 static struct matrox_altout panellink_output = { 871 .name = "Panellink output", 872 }; 873 874 static int matroxfb_ioctl(struct fb_info *info, 875 unsigned int cmd, unsigned long arg) 876 { 877 void __user *argp = (void __user *)arg; 878 struct matrox_fb_info *minfo = info2minfo(info); 879 880 DBG(__func__) 881 882 if (minfo->dead) { 883 return -ENXIO; 884 } 885 886 switch (cmd) { 887 case FBIOGET_VBLANK: 888 { 889 struct fb_vblank vblank; 890 int err; 891 892 err = matroxfb_get_vblank(minfo, &vblank); 893 if (err) 894 return err; 895 if (copy_to_user(argp, &vblank, sizeof(vblank))) 896 return -EFAULT; 897 return 0; 898 } 899 case FBIO_WAITFORVSYNC: 900 { 901 u_int32_t crt; 902 903 if (get_user(crt, (u_int32_t __user *)arg)) 904 return -EFAULT; 905 906 return matroxfb_wait_for_sync(minfo, crt); 907 } 908 case MATROXFB_SET_OUTPUT_MODE: 909 { 910 struct matroxioc_output_mode mom; 911 struct matrox_altout *oproc; 912 int val; 913 914 if (copy_from_user(&mom, argp, sizeof(mom))) 915 return -EFAULT; 916 if (mom.output >= MATROXFB_MAX_OUTPUTS) 917 return -ENXIO; 918 down_read(&minfo->altout.lock); 919 oproc = minfo->outputs[mom.output].output; 920 if (!oproc) { 921 val = -ENXIO; 922 } else if (!oproc->verifymode) { 923 if (mom.mode == MATROXFB_OUTPUT_MODE_MONITOR) { 924 val = 0; 925 } else { 926 val = -EINVAL; 927 } 928 } else { 929 val = oproc->verifymode(minfo->outputs[mom.output].data, mom.mode); 930 } 931 if (!val) { 932 if (minfo->outputs[mom.output].mode != mom.mode) { 933 minfo->outputs[mom.output].mode = mom.mode; 934 val = 1; 935 } 936 } 937 up_read(&minfo->altout.lock); 938 if (val != 1) 939 return val; 940 switch (minfo->outputs[mom.output].src) { 941 case MATROXFB_SRC_CRTC1: 942 matroxfb_set_par(info); 943 break; 944 case MATROXFB_SRC_CRTC2: 945 { 946 struct matroxfb_dh_fb_info* crtc2; 947 948 down_read(&minfo->crtc2.lock); 949 crtc2 = minfo->crtc2.info; 950 if (crtc2) 951 crtc2->fbcon.fbops->fb_set_par(&crtc2->fbcon); 952 up_read(&minfo->crtc2.lock); 953 } 954 break; 955 } 956 return 0; 957 } 958 case MATROXFB_GET_OUTPUT_MODE: 959 { 960 struct matroxioc_output_mode mom; 961 struct matrox_altout *oproc; 962 int val; 963 964 if (copy_from_user(&mom, argp, sizeof(mom))) 965 return -EFAULT; 966 if (mom.output >= MATROXFB_MAX_OUTPUTS) 967 return -ENXIO; 968 down_read(&minfo->altout.lock); 969 oproc = minfo->outputs[mom.output].output; 970 if (!oproc) { 971 val = -ENXIO; 972 } else { 973 mom.mode = minfo->outputs[mom.output].mode; 974 val = 0; 975 } 976 up_read(&minfo->altout.lock); 977 if (val) 978 return val; 979 if (copy_to_user(argp, &mom, sizeof(mom))) 980 return -EFAULT; 981 return 0; 982 } 983 case MATROXFB_SET_OUTPUT_CONNECTION: 984 { 985 u_int32_t tmp; 986 int i; 987 int changes; 988 989 if (copy_from_user(&tmp, argp, sizeof(tmp))) 990 return -EFAULT; 991 for (i = 0; i < 32; i++) { 992 if (tmp & (1 << i)) { 993 if (i >= MATROXFB_MAX_OUTPUTS) 994 return -ENXIO; 995 if (!minfo->outputs[i].output) 996 return -ENXIO; 997 switch (minfo->outputs[i].src) { 998 case MATROXFB_SRC_NONE: 999 case MATROXFB_SRC_CRTC1: 1000 break; 1001 default: 1002 return -EBUSY; 1003 } 1004 } 1005 } 1006 if (minfo->devflags.panellink) { 1007 if (tmp & MATROXFB_OUTPUT_CONN_DFP) { 1008 if (tmp & MATROXFB_OUTPUT_CONN_SECONDARY) 1009 return -EINVAL; 1010 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) { 1011 if (minfo->outputs[i].src == MATROXFB_SRC_CRTC2) { 1012 return -EBUSY; 1013 } 1014 } 1015 } 1016 } 1017 changes = 0; 1018 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) { 1019 if (tmp & (1 << i)) { 1020 if (minfo->outputs[i].src != MATROXFB_SRC_CRTC1) { 1021 changes = 1; 1022 minfo->outputs[i].src = MATROXFB_SRC_CRTC1; 1023 } 1024 } else if (minfo->outputs[i].src == MATROXFB_SRC_CRTC1) { 1025 changes = 1; 1026 minfo->outputs[i].src = MATROXFB_SRC_NONE; 1027 } 1028 } 1029 if (!changes) 1030 return 0; 1031 matroxfb_set_par(info); 1032 return 0; 1033 } 1034 case MATROXFB_GET_OUTPUT_CONNECTION: 1035 { 1036 u_int32_t conn = 0; 1037 int i; 1038 1039 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) { 1040 if (minfo->outputs[i].src == MATROXFB_SRC_CRTC1) { 1041 conn |= 1 << i; 1042 } 1043 } 1044 if (put_user(conn, (u_int32_t __user *)arg)) 1045 return -EFAULT; 1046 return 0; 1047 } 1048 case MATROXFB_GET_AVAILABLE_OUTPUTS: 1049 { 1050 u_int32_t conn = 0; 1051 int i; 1052 1053 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) { 1054 if (minfo->outputs[i].output) { 1055 switch (minfo->outputs[i].src) { 1056 case MATROXFB_SRC_NONE: 1057 case MATROXFB_SRC_CRTC1: 1058 conn |= 1 << i; 1059 break; 1060 } 1061 } 1062 } 1063 if (minfo->devflags.panellink) { 1064 if (conn & MATROXFB_OUTPUT_CONN_DFP) 1065 conn &= ~MATROXFB_OUTPUT_CONN_SECONDARY; 1066 if (conn & MATROXFB_OUTPUT_CONN_SECONDARY) 1067 conn &= ~MATROXFB_OUTPUT_CONN_DFP; 1068 } 1069 if (put_user(conn, (u_int32_t __user *)arg)) 1070 return -EFAULT; 1071 return 0; 1072 } 1073 case MATROXFB_GET_ALL_OUTPUTS: 1074 { 1075 u_int32_t conn = 0; 1076 int i; 1077 1078 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) { 1079 if (minfo->outputs[i].output) { 1080 conn |= 1 << i; 1081 } 1082 } 1083 if (put_user(conn, (u_int32_t __user *)arg)) 1084 return -EFAULT; 1085 return 0; 1086 } 1087 case VIDIOC_QUERYCAP: 1088 { 1089 struct v4l2_capability r; 1090 1091 memset(&r, 0, sizeof(r)); 1092 strcpy(r.driver, "matroxfb"); 1093 strcpy(r.card, "Matrox"); 1094 sprintf(r.bus_info, "PCI:%s", pci_name(minfo->pcidev)); 1095 r.version = KERNEL_VERSION(1,0,0); 1096 r.capabilities = V4L2_CAP_VIDEO_OUTPUT; 1097 if (copy_to_user(argp, &r, sizeof(r))) 1098 return -EFAULT; 1099 return 0; 1100 1101 } 1102 case VIDIOC_QUERYCTRL: 1103 { 1104 struct v4l2_queryctrl qctrl; 1105 int err; 1106 1107 if (copy_from_user(&qctrl, argp, sizeof(qctrl))) 1108 return -EFAULT; 1109 1110 down_read(&minfo->altout.lock); 1111 if (!minfo->outputs[1].output) { 1112 err = -ENXIO; 1113 } else if (minfo->outputs[1].output->getqueryctrl) { 1114 err = minfo->outputs[1].output->getqueryctrl(minfo->outputs[1].data, &qctrl); 1115 } else { 1116 err = -EINVAL; 1117 } 1118 up_read(&minfo->altout.lock); 1119 if (err >= 0 && 1120 copy_to_user(argp, &qctrl, sizeof(qctrl))) 1121 return -EFAULT; 1122 return err; 1123 } 1124 case VIDIOC_G_CTRL: 1125 { 1126 struct v4l2_control ctrl; 1127 int err; 1128 1129 if (copy_from_user(&ctrl, argp, sizeof(ctrl))) 1130 return -EFAULT; 1131 1132 down_read(&minfo->altout.lock); 1133 if (!minfo->outputs[1].output) { 1134 err = -ENXIO; 1135 } else if (minfo->outputs[1].output->getctrl) { 1136 err = minfo->outputs[1].output->getctrl(minfo->outputs[1].data, &ctrl); 1137 } else { 1138 err = -EINVAL; 1139 } 1140 up_read(&minfo->altout.lock); 1141 if (err >= 0 && 1142 copy_to_user(argp, &ctrl, sizeof(ctrl))) 1143 return -EFAULT; 1144 return err; 1145 } 1146 case VIDIOC_S_CTRL: 1147 { 1148 struct v4l2_control ctrl; 1149 int err; 1150 1151 if (copy_from_user(&ctrl, argp, sizeof(ctrl))) 1152 return -EFAULT; 1153 1154 down_read(&minfo->altout.lock); 1155 if (!minfo->outputs[1].output) { 1156 err = -ENXIO; 1157 } else if (minfo->outputs[1].output->setctrl) { 1158 err = minfo->outputs[1].output->setctrl(minfo->outputs[1].data, &ctrl); 1159 } else { 1160 err = -EINVAL; 1161 } 1162 up_read(&minfo->altout.lock); 1163 return err; 1164 } 1165 } 1166 return -ENOTTY; 1167 } 1168 1169 /* 0 unblank, 1 blank, 2 no vsync, 3 no hsync, 4 off */ 1170 1171 static int matroxfb_blank(int blank, struct fb_info *info) 1172 { 1173 int seq; 1174 int crtc; 1175 CRITFLAGS 1176 struct matrox_fb_info *minfo = info2minfo(info); 1177 1178 DBG(__func__) 1179 1180 if (minfo->dead) 1181 return 1; 1182 1183 switch (blank) { 1184 case FB_BLANK_NORMAL: seq = 0x20; crtc = 0x00; break; /* works ??? */ 1185 case FB_BLANK_VSYNC_SUSPEND: seq = 0x20; crtc = 0x10; break; 1186 case FB_BLANK_HSYNC_SUSPEND: seq = 0x20; crtc = 0x20; break; 1187 case FB_BLANK_POWERDOWN: seq = 0x20; crtc = 0x30; break; 1188 default: seq = 0x00; crtc = 0x00; break; 1189 } 1190 1191 CRITBEGIN 1192 1193 mga_outb(M_SEQ_INDEX, 1); 1194 mga_outb(M_SEQ_DATA, (mga_inb(M_SEQ_DATA) & ~0x20) | seq); 1195 mga_outb(M_EXTVGA_INDEX, 1); 1196 mga_outb(M_EXTVGA_DATA, (mga_inb(M_EXTVGA_DATA) & ~0x30) | crtc); 1197 1198 CRITEND 1199 return 0; 1200 } 1201 1202 static const struct fb_ops matroxfb_ops = { 1203 .owner = THIS_MODULE, 1204 .fb_open = matroxfb_open, 1205 .fb_release = matroxfb_release, 1206 .fb_check_var = matroxfb_check_var, 1207 .fb_set_par = matroxfb_set_par, 1208 .fb_setcolreg = matroxfb_setcolreg, 1209 .fb_pan_display =matroxfb_pan_display, 1210 .fb_blank = matroxfb_blank, 1211 .fb_ioctl = matroxfb_ioctl, 1212 /* .fb_fillrect = <set by matrox_cfbX_init>, */ 1213 /* .fb_copyarea = <set by matrox_cfbX_init>, */ 1214 /* .fb_imageblit = <set by matrox_cfbX_init>, */ 1215 /* .fb_cursor = <set by matrox_cfbX_init>, */ 1216 }; 1217 1218 #define RSDepth(X) (((X) >> 8) & 0x0F) 1219 #define RS8bpp 0x1 1220 #define RS15bpp 0x2 1221 #define RS16bpp 0x3 1222 #define RS32bpp 0x4 1223 #define RS4bpp 0x5 1224 #define RS24bpp 0x6 1225 #define RSText 0x7 1226 #define RSText8 0x8 1227 /* 9-F */ 1228 static struct { struct fb_bitfield red, green, blue, transp; int bits_per_pixel; } colors[] = { 1229 { { 0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, { 0, 0, 0}, 8 }, 1230 { { 10, 5, 0}, { 5, 5, 0}, { 0, 5, 0}, { 15, 1, 0}, 16 }, 1231 { { 11, 5, 0}, { 5, 6, 0}, { 0, 5, 0}, { 0, 0, 0}, 16 }, 1232 { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, { 24, 8, 0}, 32 }, 1233 { { 0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, { 0, 0, 0}, 4 }, 1234 { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, { 0, 0, 0}, 24 }, 1235 { { 0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, { 0, 0, 0}, 0 }, /* textmode with (default) VGA8x16 */ 1236 { { 0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, { 0, 0, 0}, 0 }, /* textmode hardwired to VGA8x8 */ 1237 }; 1238 1239 /* initialized by setup, see explanation at end of file (search for MODULE_PARM_DESC) */ 1240 static unsigned int mem; /* "matroxfb:mem:xxxxxM" */ 1241 static int option_precise_width = 1; /* cannot be changed, option_precise_width==0 must imply noaccel */ 1242 static int inv24; /* "matroxfb:inv24" */ 1243 static int cross4MB = -1; /* "matroxfb:cross4MB" */ 1244 static int disabled; /* "matroxfb:disabled" */ 1245 static int noaccel; /* "matroxfb:noaccel" */ 1246 static int nopan; /* "matroxfb:nopan" */ 1247 static int no_pci_retry; /* "matroxfb:nopciretry" */ 1248 static int novga; /* "matroxfb:novga" */ 1249 static int nobios; /* "matroxfb:nobios" */ 1250 static int noinit = 1; /* "matroxfb:init" */ 1251 static int inverse; /* "matroxfb:inverse" */ 1252 static int sgram; /* "matroxfb:sgram" */ 1253 static int mtrr = 1; /* "matroxfb:nomtrr" */ 1254 static int grayscale; /* "matroxfb:grayscale" */ 1255 static int dev = -1; /* "matroxfb:dev:xxxxx" */ 1256 static unsigned int vesa = ~0; /* "matroxfb:vesa:xxxxx" */ 1257 static int depth = -1; /* "matroxfb:depth:xxxxx" */ 1258 static unsigned int xres; /* "matroxfb:xres:xxxxx" */ 1259 static unsigned int yres; /* "matroxfb:yres:xxxxx" */ 1260 static unsigned int upper = ~0; /* "matroxfb:upper:xxxxx" */ 1261 static unsigned int lower = ~0; /* "matroxfb:lower:xxxxx" */ 1262 static unsigned int vslen; /* "matroxfb:vslen:xxxxx" */ 1263 static unsigned int left = ~0; /* "matroxfb:left:xxxxx" */ 1264 static unsigned int right = ~0; /* "matroxfb:right:xxxxx" */ 1265 static unsigned int hslen; /* "matroxfb:hslen:xxxxx" */ 1266 static unsigned int pixclock; /* "matroxfb:pixclock:xxxxx" */ 1267 static int sync = -1; /* "matroxfb:sync:xxxxx" */ 1268 static unsigned int fv; /* "matroxfb:fv:xxxxx" */ 1269 static unsigned int fh; /* "matroxfb:fh:xxxxxk" */ 1270 static unsigned int maxclk; /* "matroxfb:maxclk:xxxxM" */ 1271 static int dfp; /* "matroxfb:dfp */ 1272 static int dfp_type = -1; /* "matroxfb:dfp:xxx */ 1273 static int memtype = -1; /* "matroxfb:memtype:xxx" */ 1274 static char outputs[8]; /* "matroxfb:outputs:xxx" */ 1275 1276 #ifndef MODULE 1277 static char videomode[64]; /* "matroxfb:mode:xxxxx" or "matroxfb:xxxxx" */ 1278 #endif 1279 1280 static int matroxfb_getmemory(struct matrox_fb_info *minfo, 1281 unsigned int maxSize, unsigned int *realSize) 1282 { 1283 vaddr_t vm; 1284 unsigned int offs; 1285 unsigned int offs2; 1286 unsigned char orig; 1287 unsigned char bytes[32]; 1288 unsigned char* tmp; 1289 1290 DBG(__func__) 1291 1292 vm = minfo->video.vbase; 1293 maxSize &= ~0x1FFFFF; /* must be X*2MB (really it must be 2 or X*4MB) */ 1294 /* at least 2MB */ 1295 if (maxSize < 0x0200000) return 0; 1296 if (maxSize > 0x2000000) maxSize = 0x2000000; 1297 1298 mga_outb(M_EXTVGA_INDEX, 0x03); 1299 orig = mga_inb(M_EXTVGA_DATA); 1300 mga_outb(M_EXTVGA_DATA, orig | 0x80); 1301 1302 tmp = bytes; 1303 for (offs = 0x100000; offs < maxSize; offs += 0x200000) 1304 *tmp++ = mga_readb(vm, offs); 1305 for (offs = 0x100000; offs < maxSize; offs += 0x200000) 1306 mga_writeb(vm, offs, 0x02); 1307 mga_outb(M_CACHEFLUSH, 0x00); 1308 for (offs = 0x100000; offs < maxSize; offs += 0x200000) { 1309 if (mga_readb(vm, offs) != 0x02) 1310 break; 1311 mga_writeb(vm, offs, mga_readb(vm, offs) - 0x02); 1312 if (mga_readb(vm, offs)) 1313 break; 1314 } 1315 tmp = bytes; 1316 for (offs2 = 0x100000; offs2 < maxSize; offs2 += 0x200000) 1317 mga_writeb(vm, offs2, *tmp++); 1318 1319 mga_outb(M_EXTVGA_INDEX, 0x03); 1320 mga_outb(M_EXTVGA_DATA, orig); 1321 1322 *realSize = offs - 0x100000; 1323 #ifdef CONFIG_FB_MATROX_MILLENIUM 1324 minfo->interleave = !(!isMillenium(minfo) || ((offs - 0x100000) & 0x3FFFFF)); 1325 #endif 1326 return 1; 1327 } 1328 1329 struct video_board { 1330 int maxvram; 1331 int maxdisplayable; 1332 int accelID; 1333 struct matrox_switch* lowlevel; 1334 }; 1335 #ifdef CONFIG_FB_MATROX_MILLENIUM 1336 static struct video_board vbMillennium = { 1337 .maxvram = 0x0800000, 1338 .maxdisplayable = 0x0800000, 1339 .accelID = FB_ACCEL_MATROX_MGA2064W, 1340 .lowlevel = &matrox_millennium 1341 }; 1342 1343 static struct video_board vbMillennium2 = { 1344 .maxvram = 0x1000000, 1345 .maxdisplayable = 0x0800000, 1346 .accelID = FB_ACCEL_MATROX_MGA2164W, 1347 .lowlevel = &matrox_millennium 1348 }; 1349 1350 static struct video_board vbMillennium2A = { 1351 .maxvram = 0x1000000, 1352 .maxdisplayable = 0x0800000, 1353 .accelID = FB_ACCEL_MATROX_MGA2164W_AGP, 1354 .lowlevel = &matrox_millennium 1355 }; 1356 #endif /* CONFIG_FB_MATROX_MILLENIUM */ 1357 #ifdef CONFIG_FB_MATROX_MYSTIQUE 1358 static struct video_board vbMystique = { 1359 .maxvram = 0x0800000, 1360 .maxdisplayable = 0x0800000, 1361 .accelID = FB_ACCEL_MATROX_MGA1064SG, 1362 .lowlevel = &matrox_mystique 1363 }; 1364 #endif /* CONFIG_FB_MATROX_MYSTIQUE */ 1365 #ifdef CONFIG_FB_MATROX_G 1366 static struct video_board vbG100 = { 1367 .maxvram = 0x0800000, 1368 .maxdisplayable = 0x0800000, 1369 .accelID = FB_ACCEL_MATROX_MGAG100, 1370 .lowlevel = &matrox_G100 1371 }; 1372 1373 static struct video_board vbG200 = { 1374 .maxvram = 0x1000000, 1375 .maxdisplayable = 0x1000000, 1376 .accelID = FB_ACCEL_MATROX_MGAG200, 1377 .lowlevel = &matrox_G100 1378 }; 1379 /* from doc it looks like that accelerator can draw only to low 16MB :-( Direct accesses & displaying are OK for 1380 whole 32MB */ 1381 static struct video_board vbG400 = { 1382 .maxvram = 0x2000000, 1383 .maxdisplayable = 0x1000000, 1384 .accelID = FB_ACCEL_MATROX_MGAG400, 1385 .lowlevel = &matrox_G100 1386 }; 1387 #endif 1388 1389 #define DEVF_VIDEO64BIT 0x0001 1390 #define DEVF_SWAPS 0x0002 1391 #define DEVF_SRCORG 0x0004 1392 #define DEVF_DUALHEAD 0x0008 1393 #define DEVF_CROSS4MB 0x0010 1394 #define DEVF_TEXT4B 0x0020 1395 /* #define DEVF_recycled 0x0040 */ 1396 /* #define DEVF_recycled 0x0080 */ 1397 #define DEVF_SUPPORT32MB 0x0100 1398 #define DEVF_ANY_VXRES 0x0200 1399 #define DEVF_TEXT16B 0x0400 1400 #define DEVF_CRTC2 0x0800 1401 #define DEVF_MAVEN_CAPABLE 0x1000 1402 #define DEVF_PANELLINK_CAPABLE 0x2000 1403 #define DEVF_G450DAC 0x4000 1404 1405 #define DEVF_GCORE (DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB) 1406 #define DEVF_G2CORE (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_MAVEN_CAPABLE | DEVF_PANELLINK_CAPABLE | DEVF_SRCORG | DEVF_DUALHEAD) 1407 #define DEVF_G100 (DEVF_GCORE) /* no doc, no vxres... */ 1408 #define DEVF_G200 (DEVF_G2CORE) 1409 #define DEVF_G400 (DEVF_G2CORE | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2) 1410 /* if you'll find how to drive DFP... */ 1411 #define DEVF_G450 (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2 | DEVF_G450DAC | DEVF_SRCORG | DEVF_DUALHEAD) 1412 #define DEVF_G550 (DEVF_G450) 1413 1414 static struct board { 1415 unsigned short vendor, device, rev, svid, sid; 1416 unsigned int flags; 1417 unsigned int maxclk; 1418 enum mga_chip chip; 1419 struct video_board* base; 1420 const char* name; 1421 } dev_list[] = { 1422 #ifdef CONFIG_FB_MATROX_MILLENIUM 1423 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL, 0xFF, 1424 0, 0, 1425 DEVF_TEXT4B, 1426 230000, 1427 MGA_2064, 1428 &vbMillennium, 1429 "Millennium (PCI)"}, 1430 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL_2, 0xFF, 1431 0, 0, 1432 DEVF_SWAPS, 1433 220000, 1434 MGA_2164, 1435 &vbMillennium2, 1436 "Millennium II (PCI)"}, 1437 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL_2_AGP, 0xFF, 1438 0, 0, 1439 DEVF_SWAPS, 1440 250000, 1441 MGA_2164, 1442 &vbMillennium2A, 1443 "Millennium II (AGP)"}, 1444 #endif 1445 #ifdef CONFIG_FB_MATROX_MYSTIQUE 1446 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MYS, 0x02, 1447 0, 0, 1448 DEVF_VIDEO64BIT | DEVF_CROSS4MB, 1449 180000, 1450 MGA_1064, 1451 &vbMystique, 1452 "Mystique (PCI)"}, 1453 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MYS, 0xFF, 1454 0, 0, 1455 DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB, 1456 220000, 1457 MGA_1164, 1458 &vbMystique, 1459 "Mystique 220 (PCI)"}, 1460 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MYS_AGP, 0x02, 1461 0, 0, 1462 DEVF_VIDEO64BIT | DEVF_CROSS4MB, 1463 180000, 1464 MGA_1064, 1465 &vbMystique, 1466 "Mystique (AGP)"}, 1467 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MYS_AGP, 0xFF, 1468 0, 0, 1469 DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB, 1470 220000, 1471 MGA_1164, 1472 &vbMystique, 1473 "Mystique 220 (AGP)"}, 1474 #endif 1475 #ifdef CONFIG_FB_MATROX_G 1476 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G100_MM, 0xFF, 1477 0, 0, 1478 DEVF_G100, 1479 230000, 1480 MGA_G100, 1481 &vbG100, 1482 "MGA-G100 (PCI)"}, 1483 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G100_AGP, 0xFF, 1484 0, 0, 1485 DEVF_G100, 1486 230000, 1487 MGA_G100, 1488 &vbG100, 1489 "MGA-G100 (AGP)"}, 1490 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_PCI, 0xFF, 1491 0, 0, 1492 DEVF_G200, 1493 250000, 1494 MGA_G200, 1495 &vbG200, 1496 "MGA-G200 (PCI)"}, 1497 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF, 1498 PCI_SS_VENDOR_ID_MATROX, PCI_SS_ID_MATROX_GENERIC, 1499 DEVF_G200, 1500 220000, 1501 MGA_G200, 1502 &vbG200, 1503 "MGA-G200 (AGP)"}, 1504 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF, 1505 PCI_SS_VENDOR_ID_MATROX, PCI_SS_ID_MATROX_MYSTIQUE_G200_AGP, 1506 DEVF_G200, 1507 230000, 1508 MGA_G200, 1509 &vbG200, 1510 "Mystique G200 (AGP)"}, 1511 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF, 1512 PCI_SS_VENDOR_ID_MATROX, PCI_SS_ID_MATROX_MILLENIUM_G200_AGP, 1513 DEVF_G200, 1514 250000, 1515 MGA_G200, 1516 &vbG200, 1517 "Millennium G200 (AGP)"}, 1518 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF, 1519 PCI_SS_VENDOR_ID_MATROX, PCI_SS_ID_MATROX_MARVEL_G200_AGP, 1520 DEVF_G200, 1521 230000, 1522 MGA_G200, 1523 &vbG200, 1524 "Marvel G200 (AGP)"}, 1525 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF, 1526 PCI_SS_VENDOR_ID_SIEMENS_NIXDORF, PCI_SS_ID_SIEMENS_MGA_G200_AGP, 1527 DEVF_G200, 1528 230000, 1529 MGA_G200, 1530 &vbG200, 1531 "MGA-G200 (AGP)"}, 1532 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF, 1533 0, 0, 1534 DEVF_G200, 1535 230000, 1536 MGA_G200, 1537 &vbG200, 1538 "G200 (AGP)"}, 1539 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G400, 0x80, 1540 PCI_SS_VENDOR_ID_MATROX, PCI_SS_ID_MATROX_MILLENNIUM_G400_MAX_AGP, 1541 DEVF_G400, 1542 360000, 1543 MGA_G400, 1544 &vbG400, 1545 "Millennium G400 MAX (AGP)"}, 1546 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G400, 0x80, 1547 0, 0, 1548 DEVF_G400, 1549 300000, 1550 MGA_G400, 1551 &vbG400, 1552 "G400 (AGP)"}, 1553 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G400, 0xFF, 1554 0, 0, 1555 DEVF_G450, 1556 360000, 1557 MGA_G450, 1558 &vbG400, 1559 "G450"}, 1560 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G550, 0xFF, 1561 0, 0, 1562 DEVF_G550, 1563 360000, 1564 MGA_G550, 1565 &vbG400, 1566 "G550"}, 1567 #endif 1568 {0, 0, 0xFF, 1569 0, 0, 1570 0, 1571 0, 1572 0, 1573 NULL, 1574 NULL}}; 1575 1576 #ifndef MODULE 1577 static const struct fb_videomode defaultmode = { 1578 /* 640x480 @ 60Hz, 31.5 kHz */ 1579 NULL, 60, 640, 480, 39721, 40, 24, 32, 11, 96, 2, 1580 0, FB_VMODE_NONINTERLACED 1581 }; 1582 1583 static int hotplug = 0; 1584 #endif /* !MODULE */ 1585 1586 static void setDefaultOutputs(struct matrox_fb_info *minfo) 1587 { 1588 unsigned int i; 1589 const char* ptr; 1590 1591 minfo->outputs[0].default_src = MATROXFB_SRC_CRTC1; 1592 if (minfo->devflags.g450dac) { 1593 minfo->outputs[1].default_src = MATROXFB_SRC_CRTC1; 1594 minfo->outputs[2].default_src = MATROXFB_SRC_CRTC1; 1595 } else if (dfp) { 1596 minfo->outputs[2].default_src = MATROXFB_SRC_CRTC1; 1597 } 1598 ptr = outputs; 1599 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) { 1600 char c = *ptr++; 1601 1602 if (c == 0) { 1603 break; 1604 } 1605 if (c == '0') { 1606 minfo->outputs[i].default_src = MATROXFB_SRC_NONE; 1607 } else if (c == '1') { 1608 minfo->outputs[i].default_src = MATROXFB_SRC_CRTC1; 1609 } else if (c == '2' && minfo->devflags.crtc2) { 1610 minfo->outputs[i].default_src = MATROXFB_SRC_CRTC2; 1611 } else { 1612 printk(KERN_ERR "matroxfb: Unknown outputs setting\n"); 1613 break; 1614 } 1615 } 1616 /* Nullify this option for subsequent adapters */ 1617 outputs[0] = 0; 1618 } 1619 1620 static int initMatrox2(struct matrox_fb_info *minfo, struct board *b) 1621 { 1622 unsigned long ctrlptr_phys = 0; 1623 unsigned long video_base_phys = 0; 1624 unsigned int memsize; 1625 int err; 1626 1627 static const struct pci_device_id intel_82437[] = { 1628 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82437) }, 1629 { }, 1630 }; 1631 1632 DBG(__func__) 1633 1634 /* set default values... */ 1635 vesafb_defined.accel_flags = FB_ACCELF_TEXT; 1636 1637 minfo->hw_switch = b->base->lowlevel; 1638 minfo->devflags.accelerator = b->base->accelID; 1639 minfo->max_pixel_clock = b->maxclk; 1640 1641 printk(KERN_INFO "matroxfb: Matrox %s detected\n", b->name); 1642 minfo->capable.plnwt = 1; 1643 minfo->chip = b->chip; 1644 minfo->capable.srcorg = b->flags & DEVF_SRCORG; 1645 minfo->devflags.video64bits = b->flags & DEVF_VIDEO64BIT; 1646 if (b->flags & DEVF_TEXT4B) { 1647 minfo->devflags.vgastep = 4; 1648 minfo->devflags.textmode = 4; 1649 minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP16; 1650 } else if (b->flags & DEVF_TEXT16B) { 1651 minfo->devflags.vgastep = 16; 1652 minfo->devflags.textmode = 1; 1653 minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP16; 1654 } else { 1655 minfo->devflags.vgastep = 8; 1656 minfo->devflags.textmode = 1; 1657 minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP8; 1658 } 1659 minfo->devflags.support32MB = (b->flags & DEVF_SUPPORT32MB) != 0; 1660 minfo->devflags.precise_width = !(b->flags & DEVF_ANY_VXRES); 1661 minfo->devflags.crtc2 = (b->flags & DEVF_CRTC2) != 0; 1662 minfo->devflags.maven_capable = (b->flags & DEVF_MAVEN_CAPABLE) != 0; 1663 minfo->devflags.dualhead = (b->flags & DEVF_DUALHEAD) != 0; 1664 minfo->devflags.dfp_type = dfp_type; 1665 minfo->devflags.g450dac = (b->flags & DEVF_G450DAC) != 0; 1666 minfo->devflags.textstep = minfo->devflags.vgastep * minfo->devflags.textmode; 1667 minfo->devflags.textvram = 65536 / minfo->devflags.textmode; 1668 setDefaultOutputs(minfo); 1669 if (b->flags & DEVF_PANELLINK_CAPABLE) { 1670 minfo->outputs[2].data = minfo; 1671 minfo->outputs[2].output = &panellink_output; 1672 minfo->outputs[2].src = minfo->outputs[2].default_src; 1673 minfo->outputs[2].mode = MATROXFB_OUTPUT_MODE_MONITOR; 1674 minfo->devflags.panellink = 1; 1675 } 1676 1677 if (minfo->capable.cross4MB < 0) 1678 minfo->capable.cross4MB = b->flags & DEVF_CROSS4MB; 1679 if (b->flags & DEVF_SWAPS) { 1680 ctrlptr_phys = pci_resource_start(minfo->pcidev, 1); 1681 video_base_phys = pci_resource_start(minfo->pcidev, 0); 1682 minfo->devflags.fbResource = PCI_BASE_ADDRESS_0; 1683 } else { 1684 ctrlptr_phys = pci_resource_start(minfo->pcidev, 0); 1685 video_base_phys = pci_resource_start(minfo->pcidev, 1); 1686 minfo->devflags.fbResource = PCI_BASE_ADDRESS_1; 1687 } 1688 err = -EINVAL; 1689 if (!ctrlptr_phys) { 1690 printk(KERN_ERR "matroxfb: control registers are not available, matroxfb disabled\n"); 1691 goto fail; 1692 } 1693 if (!video_base_phys) { 1694 printk(KERN_ERR "matroxfb: video RAM is not available in PCI address space, matroxfb disabled\n"); 1695 goto fail; 1696 } 1697 memsize = b->base->maxvram; 1698 if (!request_mem_region(ctrlptr_phys, 16384, "matroxfb MMIO")) { 1699 goto fail; 1700 } 1701 if (!request_mem_region(video_base_phys, memsize, "matroxfb FB")) { 1702 goto failCtrlMR; 1703 } 1704 minfo->video.len_maximum = memsize; 1705 /* convert mem (autodetect k, M) */ 1706 if (mem < 1024) mem *= 1024; 1707 if (mem < 0x00100000) mem *= 1024; 1708 1709 if (mem && (mem < memsize)) 1710 memsize = mem; 1711 err = -ENOMEM; 1712 1713 minfo->mmio.vbase.vaddr = ioremap(ctrlptr_phys, 16384); 1714 if (!minfo->mmio.vbase.vaddr) { 1715 printk(KERN_ERR "matroxfb: cannot ioremap(%lX, 16384), matroxfb disabled\n", ctrlptr_phys); 1716 goto failVideoMR; 1717 } 1718 minfo->mmio.base = ctrlptr_phys; 1719 minfo->mmio.len = 16384; 1720 minfo->video.base = video_base_phys; 1721 minfo->video.vbase.vaddr = ioremap_wc(video_base_phys, memsize); 1722 if (!minfo->video.vbase.vaddr) { 1723 printk(KERN_ERR "matroxfb: cannot ioremap(%lX, %d), matroxfb disabled\n", 1724 video_base_phys, memsize); 1725 goto failCtrlIO; 1726 } 1727 { 1728 u_int32_t cmd; 1729 u_int32_t mga_option; 1730 1731 pci_read_config_dword(minfo->pcidev, PCI_OPTION_REG, &mga_option); 1732 pci_read_config_dword(minfo->pcidev, PCI_COMMAND, &cmd); 1733 mga_option &= 0x7FFFFFFF; /* clear BIG_ENDIAN */ 1734 mga_option |= MX_OPTION_BSWAP; 1735 /* disable palette snooping */ 1736 cmd &= ~PCI_COMMAND_VGA_PALETTE; 1737 if (pci_dev_present(intel_82437)) { 1738 if (!(mga_option & 0x20000000) && !minfo->devflags.nopciretry) { 1739 printk(KERN_WARNING "matroxfb: Disabling PCI retries due to i82437 present\n"); 1740 } 1741 mga_option |= 0x20000000; 1742 minfo->devflags.nopciretry = 1; 1743 } 1744 pci_write_config_dword(minfo->pcidev, PCI_COMMAND, cmd); 1745 pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, mga_option); 1746 minfo->hw.MXoptionReg = mga_option; 1747 1748 /* select non-DMA memory for PCI_MGA_DATA, otherwise dump of PCI cfg space can lock PCI bus */ 1749 /* maybe preinit() candidate, but it is same... for all devices... at this time... */ 1750 pci_write_config_dword(minfo->pcidev, PCI_MGA_INDEX, 0x00003C00); 1751 } 1752 1753 err = -ENXIO; 1754 matroxfb_read_pins(minfo); 1755 if (minfo->hw_switch->preinit(minfo)) { 1756 goto failVideoIO; 1757 } 1758 1759 err = -ENOMEM; 1760 if (!matroxfb_getmemory(minfo, memsize, &minfo->video.len) || !minfo->video.len) { 1761 printk(KERN_ERR "matroxfb: cannot determine memory size\n"); 1762 goto failVideoIO; 1763 } 1764 minfo->devflags.ydstorg = 0; 1765 1766 minfo->video.base = video_base_phys; 1767 minfo->video.len_usable = minfo->video.len; 1768 if (minfo->video.len_usable > b->base->maxdisplayable) 1769 minfo->video.len_usable = b->base->maxdisplayable; 1770 if (mtrr) 1771 minfo->wc_cookie = arch_phys_wc_add(video_base_phys, 1772 minfo->video.len); 1773 1774 if (!minfo->devflags.novga) 1775 request_region(0x3C0, 32, "matrox"); 1776 matroxfb_g450_connect(minfo); 1777 minfo->hw_switch->reset(minfo); 1778 1779 minfo->fbcon.monspecs.hfmin = 0; 1780 minfo->fbcon.monspecs.hfmax = fh; 1781 minfo->fbcon.monspecs.vfmin = 0; 1782 minfo->fbcon.monspecs.vfmax = fv; 1783 minfo->fbcon.monspecs.dpms = 0; /* TBD */ 1784 1785 /* static settings */ 1786 vesafb_defined.red = colors[depth-1].red; 1787 vesafb_defined.green = colors[depth-1].green; 1788 vesafb_defined.blue = colors[depth-1].blue; 1789 vesafb_defined.bits_per_pixel = colors[depth-1].bits_per_pixel; 1790 vesafb_defined.grayscale = grayscale; 1791 vesafb_defined.vmode = 0; 1792 if (noaccel) 1793 vesafb_defined.accel_flags &= ~FB_ACCELF_TEXT; 1794 1795 minfo->fbops = matroxfb_ops; 1796 minfo->fbcon.fbops = &minfo->fbops; 1797 minfo->fbcon.pseudo_palette = minfo->cmap; 1798 minfo->fbcon.flags = FBINFO_PARTIAL_PAN_OK | /* Prefer panning for scroll under MC viewer/edit */ 1799 FBINFO_HWACCEL_COPYAREA | /* We have hw-assisted bmove */ 1800 FBINFO_HWACCEL_FILLRECT | /* And fillrect */ 1801 FBINFO_HWACCEL_IMAGEBLIT | /* And imageblit */ 1802 FBINFO_HWACCEL_XPAN | /* And we support both horizontal */ 1803 FBINFO_HWACCEL_YPAN | /* And vertical panning */ 1804 FBINFO_READS_FAST; 1805 minfo->video.len_usable &= PAGE_MASK; 1806 fb_alloc_cmap(&minfo->fbcon.cmap, 256, 1); 1807 1808 #ifndef MODULE 1809 /* mode database is marked __init!!! */ 1810 if (!hotplug) { 1811 fb_find_mode(&vesafb_defined, &minfo->fbcon, videomode[0] ? videomode : NULL, 1812 NULL, 0, &defaultmode, vesafb_defined.bits_per_pixel); 1813 } 1814 #endif /* !MODULE */ 1815 1816 /* mode modifiers */ 1817 if (hslen) 1818 vesafb_defined.hsync_len = hslen; 1819 if (vslen) 1820 vesafb_defined.vsync_len = vslen; 1821 if (left != ~0) 1822 vesafb_defined.left_margin = left; 1823 if (right != ~0) 1824 vesafb_defined.right_margin = right; 1825 if (upper != ~0) 1826 vesafb_defined.upper_margin = upper; 1827 if (lower != ~0) 1828 vesafb_defined.lower_margin = lower; 1829 if (xres) 1830 vesafb_defined.xres = xres; 1831 if (yres) 1832 vesafb_defined.yres = yres; 1833 if (sync != -1) 1834 vesafb_defined.sync = sync; 1835 else if (vesafb_defined.sync == ~0) { 1836 vesafb_defined.sync = 0; 1837 if (yres < 400) 1838 vesafb_defined.sync |= FB_SYNC_HOR_HIGH_ACT; 1839 else if (yres < 480) 1840 vesafb_defined.sync |= FB_SYNC_VERT_HIGH_ACT; 1841 } 1842 1843 /* fv, fh, maxclk limits was specified */ 1844 { 1845 unsigned int tmp; 1846 1847 if (fv) { 1848 tmp = fv * (vesafb_defined.upper_margin + vesafb_defined.yres 1849 + vesafb_defined.lower_margin + vesafb_defined.vsync_len); 1850 if ((tmp < fh) || (fh == 0)) fh = tmp; 1851 } 1852 if (fh) { 1853 tmp = fh * (vesafb_defined.left_margin + vesafb_defined.xres 1854 + vesafb_defined.right_margin + vesafb_defined.hsync_len); 1855 if ((tmp < maxclk) || (maxclk == 0)) maxclk = tmp; 1856 } 1857 tmp = (maxclk + 499) / 500; 1858 if (tmp) { 1859 tmp = (2000000000 + tmp) / tmp; 1860 if (tmp > pixclock) pixclock = tmp; 1861 } 1862 } 1863 if (pixclock) { 1864 if (pixclock < 2000) /* > 500MHz */ 1865 pixclock = 4000; /* 250MHz */ 1866 if (pixclock > 1000000) 1867 pixclock = 1000000; /* 1MHz */ 1868 vesafb_defined.pixclock = pixclock; 1869 } 1870 1871 /* FIXME: Where to move this?! */ 1872 #if defined(CONFIG_PPC_PMAC) 1873 #ifndef MODULE 1874 if (machine_is(powermac)) { 1875 struct fb_var_screeninfo var; 1876 1877 if (default_vmode <= 0 || default_vmode > VMODE_MAX) 1878 default_vmode = VMODE_640_480_60; 1879 #if defined(CONFIG_PPC32) 1880 if (IS_REACHABLE(CONFIG_NVRAM) && default_cmode == CMODE_NVRAM) 1881 default_cmode = nvram_read_byte(NV_CMODE); 1882 #endif 1883 if (default_cmode < CMODE_8 || default_cmode > CMODE_32) 1884 default_cmode = CMODE_8; 1885 if (!mac_vmode_to_var(default_vmode, default_cmode, &var)) { 1886 var.accel_flags = vesafb_defined.accel_flags; 1887 var.xoffset = var.yoffset = 0; 1888 /* Note: mac_vmode_to_var() does not set all parameters */ 1889 vesafb_defined = var; 1890 } 1891 } 1892 #endif /* !MODULE */ 1893 #endif /* CONFIG_PPC_PMAC */ 1894 vesafb_defined.xres_virtual = vesafb_defined.xres; 1895 if (nopan) { 1896 vesafb_defined.yres_virtual = vesafb_defined.yres; 1897 } else { 1898 vesafb_defined.yres_virtual = 65536; /* large enough to be INF, but small enough 1899 to yres_virtual * xres_virtual < 2^32 */ 1900 } 1901 matroxfb_init_fix(minfo); 1902 minfo->fbcon.screen_base = vaddr_va(minfo->video.vbase); 1903 /* Normalize values (namely yres_virtual) */ 1904 matroxfb_check_var(&vesafb_defined, &minfo->fbcon); 1905 /* And put it into "current" var. Do NOT program hardware yet, or we'll not take over 1906 * vgacon correctly. fbcon_startup will call fb_set_par for us, WITHOUT check_var, 1907 * and unfortunately it will do it BEFORE vgacon contents is saved, so it won't work 1908 * anyway. But we at least tried... */ 1909 minfo->fbcon.var = vesafb_defined; 1910 err = -EINVAL; 1911 1912 printk(KERN_INFO "matroxfb: %dx%dx%dbpp (virtual: %dx%d)\n", 1913 vesafb_defined.xres, vesafb_defined.yres, vesafb_defined.bits_per_pixel, 1914 vesafb_defined.xres_virtual, vesafb_defined.yres_virtual); 1915 printk(KERN_INFO "matroxfb: framebuffer at 0x%lX, mapped to 0x%p, size %d\n", 1916 minfo->video.base, vaddr_va(minfo->video.vbase), minfo->video.len); 1917 1918 /* We do not have to set currcon to 0... register_framebuffer do it for us on first console 1919 * and we do not want currcon == 0 for subsequent framebuffers */ 1920 1921 minfo->fbcon.device = &minfo->pcidev->dev; 1922 if (register_framebuffer(&minfo->fbcon) < 0) { 1923 goto failVideoIO; 1924 } 1925 fb_info(&minfo->fbcon, "%s frame buffer device\n", minfo->fbcon.fix.id); 1926 1927 /* there is no console on this fb... but we have to initialize hardware 1928 * until someone tells me what is proper thing to do */ 1929 if (!minfo->initialized) { 1930 fb_info(&minfo->fbcon, "initializing hardware\n"); 1931 /* We have to use FB_ACTIVATE_FORCE, as we had to put vesafb_defined to the fbcon.var 1932 * already before, so register_framebuffer works correctly. */ 1933 vesafb_defined.activate |= FB_ACTIVATE_FORCE; 1934 fb_set_var(&minfo->fbcon, &vesafb_defined); 1935 } 1936 1937 return 0; 1938 failVideoIO:; 1939 matroxfb_g450_shutdown(minfo); 1940 iounmap(minfo->video.vbase.vaddr); 1941 failCtrlIO:; 1942 iounmap(minfo->mmio.vbase.vaddr); 1943 failVideoMR:; 1944 release_mem_region(video_base_phys, minfo->video.len_maximum); 1945 failCtrlMR:; 1946 release_mem_region(ctrlptr_phys, 16384); 1947 fail:; 1948 return err; 1949 } 1950 1951 static LIST_HEAD(matroxfb_list); 1952 static LIST_HEAD(matroxfb_driver_list); 1953 1954 #define matroxfb_l(x) list_entry(x, struct matrox_fb_info, next_fb) 1955 #define matroxfb_driver_l(x) list_entry(x, struct matroxfb_driver, node) 1956 int matroxfb_register_driver(struct matroxfb_driver* drv) { 1957 struct matrox_fb_info* minfo; 1958 1959 list_add(&drv->node, &matroxfb_driver_list); 1960 for (minfo = matroxfb_l(matroxfb_list.next); 1961 minfo != matroxfb_l(&matroxfb_list); 1962 minfo = matroxfb_l(minfo->next_fb.next)) { 1963 void* p; 1964 1965 if (minfo->drivers_count == MATROXFB_MAX_FB_DRIVERS) 1966 continue; 1967 p = drv->probe(minfo); 1968 if (p) { 1969 minfo->drivers_data[minfo->drivers_count] = p; 1970 minfo->drivers[minfo->drivers_count++] = drv; 1971 } 1972 } 1973 return 0; 1974 } 1975 1976 void matroxfb_unregister_driver(struct matroxfb_driver* drv) { 1977 struct matrox_fb_info* minfo; 1978 1979 list_del(&drv->node); 1980 for (minfo = matroxfb_l(matroxfb_list.next); 1981 minfo != matroxfb_l(&matroxfb_list); 1982 minfo = matroxfb_l(minfo->next_fb.next)) { 1983 int i; 1984 1985 for (i = 0; i < minfo->drivers_count; ) { 1986 if (minfo->drivers[i] == drv) { 1987 if (drv && drv->remove) 1988 drv->remove(minfo, minfo->drivers_data[i]); 1989 minfo->drivers[i] = minfo->drivers[--minfo->drivers_count]; 1990 minfo->drivers_data[i] = minfo->drivers_data[minfo->drivers_count]; 1991 } else 1992 i++; 1993 } 1994 } 1995 } 1996 1997 static void matroxfb_register_device(struct matrox_fb_info* minfo) { 1998 struct matroxfb_driver* drv; 1999 int i = 0; 2000 list_add(&minfo->next_fb, &matroxfb_list); 2001 for (drv = matroxfb_driver_l(matroxfb_driver_list.next); 2002 drv != matroxfb_driver_l(&matroxfb_driver_list); 2003 drv = matroxfb_driver_l(drv->node.next)) { 2004 if (drv->probe) { 2005 void *p = drv->probe(minfo); 2006 if (p) { 2007 minfo->drivers_data[i] = p; 2008 minfo->drivers[i++] = drv; 2009 if (i == MATROXFB_MAX_FB_DRIVERS) 2010 break; 2011 } 2012 } 2013 } 2014 minfo->drivers_count = i; 2015 } 2016 2017 static void matroxfb_unregister_device(struct matrox_fb_info* minfo) { 2018 int i; 2019 2020 list_del(&minfo->next_fb); 2021 for (i = 0; i < minfo->drivers_count; i++) { 2022 struct matroxfb_driver* drv = minfo->drivers[i]; 2023 2024 if (drv && drv->remove) 2025 drv->remove(minfo, minfo->drivers_data[i]); 2026 } 2027 } 2028 2029 static int matroxfb_probe(struct pci_dev* pdev, const struct pci_device_id* dummy) { 2030 struct board* b; 2031 u_int16_t svid; 2032 u_int16_t sid; 2033 struct matrox_fb_info* minfo; 2034 int err; 2035 u_int32_t cmd; 2036 DBG(__func__) 2037 2038 svid = pdev->subsystem_vendor; 2039 sid = pdev->subsystem_device; 2040 for (b = dev_list; b->vendor; b++) { 2041 if ((b->vendor != pdev->vendor) || (b->device != pdev->device) || (b->rev < pdev->revision)) continue; 2042 if (b->svid) 2043 if ((b->svid != svid) || (b->sid != sid)) continue; 2044 break; 2045 } 2046 /* not match... */ 2047 if (!b->vendor) 2048 return -ENODEV; 2049 if (dev > 0) { 2050 /* not requested one... */ 2051 dev--; 2052 return -ENODEV; 2053 } 2054 pci_read_config_dword(pdev, PCI_COMMAND, &cmd); 2055 if (pci_enable_device(pdev)) { 2056 return -1; 2057 } 2058 2059 minfo = kzalloc(sizeof(*minfo), GFP_KERNEL); 2060 if (!minfo) 2061 return -ENOMEM; 2062 2063 minfo->pcidev = pdev; 2064 minfo->dead = 0; 2065 minfo->usecount = 0; 2066 minfo->userusecount = 0; 2067 2068 pci_set_drvdata(pdev, minfo); 2069 /* DEVFLAGS */ 2070 minfo->devflags.memtype = memtype; 2071 if (memtype != -1) 2072 noinit = 0; 2073 if (cmd & PCI_COMMAND_MEMORY) { 2074 minfo->devflags.novga = novga; 2075 minfo->devflags.nobios = nobios; 2076 minfo->devflags.noinit = noinit; 2077 /* subsequent heads always needs initialization and must not enable BIOS */ 2078 novga = 1; 2079 nobios = 1; 2080 noinit = 0; 2081 } else { 2082 minfo->devflags.novga = 1; 2083 minfo->devflags.nobios = 1; 2084 minfo->devflags.noinit = 0; 2085 } 2086 2087 minfo->devflags.nopciretry = no_pci_retry; 2088 minfo->devflags.mga_24bpp_fix = inv24; 2089 minfo->devflags.precise_width = option_precise_width; 2090 minfo->devflags.sgram = sgram; 2091 minfo->capable.cross4MB = cross4MB; 2092 2093 spin_lock_init(&minfo->lock.DAC); 2094 spin_lock_init(&minfo->lock.accel); 2095 init_rwsem(&minfo->crtc2.lock); 2096 init_rwsem(&minfo->altout.lock); 2097 mutex_init(&minfo->fbcon.mm_lock); 2098 minfo->irq_flags = 0; 2099 init_waitqueue_head(&minfo->crtc1.vsync.wait); 2100 init_waitqueue_head(&minfo->crtc2.vsync.wait); 2101 minfo->crtc1.panpos = -1; 2102 2103 err = initMatrox2(minfo, b); 2104 if (!err) { 2105 matroxfb_register_device(minfo); 2106 return 0; 2107 } 2108 kfree(minfo); 2109 return -1; 2110 } 2111 2112 static void pci_remove_matrox(struct pci_dev* pdev) { 2113 struct matrox_fb_info* minfo; 2114 2115 minfo = pci_get_drvdata(pdev); 2116 matroxfb_remove(minfo, 1); 2117 } 2118 2119 static const struct pci_device_id matroxfb_devices[] = { 2120 #ifdef CONFIG_FB_MATROX_MILLENIUM 2121 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL, 2122 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, 2123 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL_2, 2124 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, 2125 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL_2_AGP, 2126 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, 2127 #endif 2128 #ifdef CONFIG_FB_MATROX_MYSTIQUE 2129 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MYS, 2130 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, 2131 #endif 2132 #ifdef CONFIG_FB_MATROX_G 2133 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G100_MM, 2134 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, 2135 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G100_AGP, 2136 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, 2137 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_PCI, 2138 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, 2139 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 2140 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, 2141 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G400, 2142 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, 2143 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G550, 2144 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, 2145 #endif 2146 {0, 0, 2147 0, 0, 0, 0, 0} 2148 }; 2149 2150 MODULE_DEVICE_TABLE(pci, matroxfb_devices); 2151 2152 2153 static struct pci_driver matroxfb_driver = { 2154 .name = "matroxfb", 2155 .id_table = matroxfb_devices, 2156 .probe = matroxfb_probe, 2157 .remove = pci_remove_matrox, 2158 }; 2159 2160 /* **************************** init-time only **************************** */ 2161 2162 #define RSResolution(X) ((X) & 0x0F) 2163 #define RS640x400 1 2164 #define RS640x480 2 2165 #define RS800x600 3 2166 #define RS1024x768 4 2167 #define RS1280x1024 5 2168 #define RS1600x1200 6 2169 #define RS768x576 7 2170 #define RS960x720 8 2171 #define RS1152x864 9 2172 #define RS1408x1056 10 2173 #define RS640x350 11 2174 #define RS1056x344 12 /* 132 x 43 text */ 2175 #define RS1056x400 13 /* 132 x 50 text */ 2176 #define RS1056x480 14 /* 132 x 60 text */ 2177 #define RSNoxNo 15 2178 /* 10-FF */ 2179 static struct { int xres, yres, left, right, upper, lower, hslen, vslen, vfreq; } timmings[] __initdata = { 2180 { 640, 400, 48, 16, 39, 8, 96, 2, 70 }, 2181 { 640, 480, 48, 16, 33, 10, 96, 2, 60 }, 2182 { 800, 600, 144, 24, 28, 8, 112, 6, 60 }, 2183 { 1024, 768, 160, 32, 30, 4, 128, 4, 60 }, 2184 { 1280, 1024, 224, 32, 32, 4, 136, 4, 60 }, 2185 { 1600, 1200, 272, 48, 32, 5, 152, 5, 60 }, 2186 { 768, 576, 144, 16, 28, 6, 112, 4, 60 }, 2187 { 960, 720, 144, 24, 28, 8, 112, 4, 60 }, 2188 { 1152, 864, 192, 32, 30, 4, 128, 4, 60 }, 2189 { 1408, 1056, 256, 40, 32, 5, 144, 5, 60 }, 2190 { 640, 350, 48, 16, 39, 8, 96, 2, 70 }, 2191 { 1056, 344, 96, 24, 59, 44, 160, 2, 70 }, 2192 { 1056, 400, 96, 24, 39, 8, 160, 2, 70 }, 2193 { 1056, 480, 96, 24, 36, 12, 160, 3, 60 }, 2194 { 0, 0, ~0, ~0, ~0, ~0, 0, 0, 0 } 2195 }; 2196 2197 #define RSCreate(X,Y) ((X) | ((Y) << 8)) 2198 static struct { unsigned int vesa; unsigned int info; } *RSptr, vesamap[] __initdata = { 2199 /* default must be first */ 2200 { ~0, RSCreate(RSNoxNo, RS8bpp ) }, 2201 { 0x101, RSCreate(RS640x480, RS8bpp ) }, 2202 { 0x100, RSCreate(RS640x400, RS8bpp ) }, 2203 { 0x180, RSCreate(RS768x576, RS8bpp ) }, 2204 { 0x103, RSCreate(RS800x600, RS8bpp ) }, 2205 { 0x188, RSCreate(RS960x720, RS8bpp ) }, 2206 { 0x105, RSCreate(RS1024x768, RS8bpp ) }, 2207 { 0x190, RSCreate(RS1152x864, RS8bpp ) }, 2208 { 0x107, RSCreate(RS1280x1024, RS8bpp ) }, 2209 { 0x198, RSCreate(RS1408x1056, RS8bpp ) }, 2210 { 0x11C, RSCreate(RS1600x1200, RS8bpp ) }, 2211 { 0x110, RSCreate(RS640x480, RS15bpp) }, 2212 { 0x181, RSCreate(RS768x576, RS15bpp) }, 2213 { 0x113, RSCreate(RS800x600, RS15bpp) }, 2214 { 0x189, RSCreate(RS960x720, RS15bpp) }, 2215 { 0x116, RSCreate(RS1024x768, RS15bpp) }, 2216 { 0x191, RSCreate(RS1152x864, RS15bpp) }, 2217 { 0x119, RSCreate(RS1280x1024, RS15bpp) }, 2218 { 0x199, RSCreate(RS1408x1056, RS15bpp) }, 2219 { 0x11D, RSCreate(RS1600x1200, RS15bpp) }, 2220 { 0x111, RSCreate(RS640x480, RS16bpp) }, 2221 { 0x182, RSCreate(RS768x576, RS16bpp) }, 2222 { 0x114, RSCreate(RS800x600, RS16bpp) }, 2223 { 0x18A, RSCreate(RS960x720, RS16bpp) }, 2224 { 0x117, RSCreate(RS1024x768, RS16bpp) }, 2225 { 0x192, RSCreate(RS1152x864, RS16bpp) }, 2226 { 0x11A, RSCreate(RS1280x1024, RS16bpp) }, 2227 { 0x19A, RSCreate(RS1408x1056, RS16bpp) }, 2228 { 0x11E, RSCreate(RS1600x1200, RS16bpp) }, 2229 { 0x1B2, RSCreate(RS640x480, RS24bpp) }, 2230 { 0x184, RSCreate(RS768x576, RS24bpp) }, 2231 { 0x1B5, RSCreate(RS800x600, RS24bpp) }, 2232 { 0x18C, RSCreate(RS960x720, RS24bpp) }, 2233 { 0x1B8, RSCreate(RS1024x768, RS24bpp) }, 2234 { 0x194, RSCreate(RS1152x864, RS24bpp) }, 2235 { 0x1BB, RSCreate(RS1280x1024, RS24bpp) }, 2236 { 0x19C, RSCreate(RS1408x1056, RS24bpp) }, 2237 { 0x1BF, RSCreate(RS1600x1200, RS24bpp) }, 2238 { 0x112, RSCreate(RS640x480, RS32bpp) }, 2239 { 0x183, RSCreate(RS768x576, RS32bpp) }, 2240 { 0x115, RSCreate(RS800x600, RS32bpp) }, 2241 { 0x18B, RSCreate(RS960x720, RS32bpp) }, 2242 { 0x118, RSCreate(RS1024x768, RS32bpp) }, 2243 { 0x193, RSCreate(RS1152x864, RS32bpp) }, 2244 { 0x11B, RSCreate(RS1280x1024, RS32bpp) }, 2245 { 0x19B, RSCreate(RS1408x1056, RS32bpp) }, 2246 { 0x11F, RSCreate(RS1600x1200, RS32bpp) }, 2247 { 0x010, RSCreate(RS640x350, RS4bpp ) }, 2248 { 0x012, RSCreate(RS640x480, RS4bpp ) }, 2249 { 0x102, RSCreate(RS800x600, RS4bpp ) }, 2250 { 0x104, RSCreate(RS1024x768, RS4bpp ) }, 2251 { 0x106, RSCreate(RS1280x1024, RS4bpp ) }, 2252 { 0, 0 }}; 2253 2254 static void __init matroxfb_init_params(void) { 2255 /* fh from kHz to Hz */ 2256 if (fh < 1000) 2257 fh *= 1000; /* 1kHz minimum */ 2258 /* maxclk */ 2259 if (maxclk < 1000) maxclk *= 1000; /* kHz -> Hz, MHz -> kHz */ 2260 if (maxclk < 1000000) maxclk *= 1000; /* kHz -> Hz, 1MHz minimum */ 2261 /* fix VESA number */ 2262 if (vesa != ~0) 2263 vesa &= 0x1DFF; /* mask out clearscreen, acceleration and so on */ 2264 2265 /* static settings */ 2266 for (RSptr = vesamap; RSptr->vesa; RSptr++) { 2267 if (RSptr->vesa == vesa) break; 2268 } 2269 if (!RSptr->vesa) { 2270 printk(KERN_ERR "Invalid vesa mode 0x%04X\n", vesa); 2271 RSptr = vesamap; 2272 } 2273 { 2274 int res = RSResolution(RSptr->info)-1; 2275 if (left == ~0) 2276 left = timmings[res].left; 2277 if (!xres) 2278 xres = timmings[res].xres; 2279 if (right == ~0) 2280 right = timmings[res].right; 2281 if (!hslen) 2282 hslen = timmings[res].hslen; 2283 if (upper == ~0) 2284 upper = timmings[res].upper; 2285 if (!yres) 2286 yres = timmings[res].yres; 2287 if (lower == ~0) 2288 lower = timmings[res].lower; 2289 if (!vslen) 2290 vslen = timmings[res].vslen; 2291 if (!(fv||fh||maxclk||pixclock)) 2292 fv = timmings[res].vfreq; 2293 if (depth == -1) 2294 depth = RSDepth(RSptr->info); 2295 } 2296 } 2297 2298 static int __init matrox_init(void) { 2299 int err; 2300 2301 matroxfb_init_params(); 2302 err = pci_register_driver(&matroxfb_driver); 2303 dev = -1; /* accept all new devices... */ 2304 return err; 2305 } 2306 2307 /* **************************** exit-time only **************************** */ 2308 2309 static void __exit matrox_done(void) { 2310 pci_unregister_driver(&matroxfb_driver); 2311 } 2312 2313 #ifndef MODULE 2314 2315 /* ************************* init in-kernel code ************************** */ 2316 2317 static int __init matroxfb_setup(char *options) { 2318 char *this_opt; 2319 2320 DBG(__func__) 2321 2322 if (!options || !*options) 2323 return 0; 2324 2325 while ((this_opt = strsep(&options, ",")) != NULL) { 2326 if (!*this_opt) continue; 2327 2328 dprintk("matroxfb_setup: option %s\n", this_opt); 2329 2330 if (!strncmp(this_opt, "dev:", 4)) 2331 dev = simple_strtoul(this_opt+4, NULL, 0); 2332 else if (!strncmp(this_opt, "depth:", 6)) { 2333 switch (simple_strtoul(this_opt+6, NULL, 0)) { 2334 case 0: depth = RSText; break; 2335 case 4: depth = RS4bpp; break; 2336 case 8: depth = RS8bpp; break; 2337 case 15:depth = RS15bpp; break; 2338 case 16:depth = RS16bpp; break; 2339 case 24:depth = RS24bpp; break; 2340 case 32:depth = RS32bpp; break; 2341 default: 2342 printk(KERN_ERR "matroxfb: unsupported color depth\n"); 2343 } 2344 } else if (!strncmp(this_opt, "xres:", 5)) 2345 xres = simple_strtoul(this_opt+5, NULL, 0); 2346 else if (!strncmp(this_opt, "yres:", 5)) 2347 yres = simple_strtoul(this_opt+5, NULL, 0); 2348 else if (!strncmp(this_opt, "vslen:", 6)) 2349 vslen = simple_strtoul(this_opt+6, NULL, 0); 2350 else if (!strncmp(this_opt, "hslen:", 6)) 2351 hslen = simple_strtoul(this_opt+6, NULL, 0); 2352 else if (!strncmp(this_opt, "left:", 5)) 2353 left = simple_strtoul(this_opt+5, NULL, 0); 2354 else if (!strncmp(this_opt, "right:", 6)) 2355 right = simple_strtoul(this_opt+6, NULL, 0); 2356 else if (!strncmp(this_opt, "upper:", 6)) 2357 upper = simple_strtoul(this_opt+6, NULL, 0); 2358 else if (!strncmp(this_opt, "lower:", 6)) 2359 lower = simple_strtoul(this_opt+6, NULL, 0); 2360 else if (!strncmp(this_opt, "pixclock:", 9)) 2361 pixclock = simple_strtoul(this_opt+9, NULL, 0); 2362 else if (!strncmp(this_opt, "sync:", 5)) 2363 sync = simple_strtoul(this_opt+5, NULL, 0); 2364 else if (!strncmp(this_opt, "vesa:", 5)) 2365 vesa = simple_strtoul(this_opt+5, NULL, 0); 2366 else if (!strncmp(this_opt, "maxclk:", 7)) 2367 maxclk = simple_strtoul(this_opt+7, NULL, 0); 2368 else if (!strncmp(this_opt, "fh:", 3)) 2369 fh = simple_strtoul(this_opt+3, NULL, 0); 2370 else if (!strncmp(this_opt, "fv:", 3)) 2371 fv = simple_strtoul(this_opt+3, NULL, 0); 2372 else if (!strncmp(this_opt, "mem:", 4)) 2373 mem = simple_strtoul(this_opt+4, NULL, 0); 2374 else if (!strncmp(this_opt, "mode:", 5)) 2375 strlcpy(videomode, this_opt+5, sizeof(videomode)); 2376 else if (!strncmp(this_opt, "outputs:", 8)) 2377 strlcpy(outputs, this_opt+8, sizeof(outputs)); 2378 else if (!strncmp(this_opt, "dfp:", 4)) { 2379 dfp_type = simple_strtoul(this_opt+4, NULL, 0); 2380 dfp = 1; 2381 } 2382 #ifdef CONFIG_PPC_PMAC 2383 else if (!strncmp(this_opt, "vmode:", 6)) { 2384 unsigned int vmode = simple_strtoul(this_opt+6, NULL, 0); 2385 if (vmode > 0 && vmode <= VMODE_MAX) 2386 default_vmode = vmode; 2387 } else if (!strncmp(this_opt, "cmode:", 6)) { 2388 unsigned int cmode = simple_strtoul(this_opt+6, NULL, 0); 2389 switch (cmode) { 2390 case 0: 2391 case 8: 2392 default_cmode = CMODE_8; 2393 break; 2394 case 15: 2395 case 16: 2396 default_cmode = CMODE_16; 2397 break; 2398 case 24: 2399 case 32: 2400 default_cmode = CMODE_32; 2401 break; 2402 } 2403 } 2404 #endif 2405 else if (!strcmp(this_opt, "disabled")) /* nodisabled does not exist */ 2406 disabled = 1; 2407 else if (!strcmp(this_opt, "enabled")) /* noenabled does not exist */ 2408 disabled = 0; 2409 else if (!strcmp(this_opt, "sgram")) /* nosgram == sdram */ 2410 sgram = 1; 2411 else if (!strcmp(this_opt, "sdram")) 2412 sgram = 0; 2413 else if (!strncmp(this_opt, "memtype:", 8)) 2414 memtype = simple_strtoul(this_opt+8, NULL, 0); 2415 else { 2416 int value = 1; 2417 2418 if (!strncmp(this_opt, "no", 2)) { 2419 value = 0; 2420 this_opt += 2; 2421 } 2422 if (! strcmp(this_opt, "inverse")) 2423 inverse = value; 2424 else if (!strcmp(this_opt, "accel")) 2425 noaccel = !value; 2426 else if (!strcmp(this_opt, "pan")) 2427 nopan = !value; 2428 else if (!strcmp(this_opt, "pciretry")) 2429 no_pci_retry = !value; 2430 else if (!strcmp(this_opt, "vga")) 2431 novga = !value; 2432 else if (!strcmp(this_opt, "bios")) 2433 nobios = !value; 2434 else if (!strcmp(this_opt, "init")) 2435 noinit = !value; 2436 else if (!strcmp(this_opt, "mtrr")) 2437 mtrr = value; 2438 else if (!strcmp(this_opt, "inv24")) 2439 inv24 = value; 2440 else if (!strcmp(this_opt, "cross4MB")) 2441 cross4MB = value; 2442 else if (!strcmp(this_opt, "grayscale")) 2443 grayscale = value; 2444 else if (!strcmp(this_opt, "dfp")) 2445 dfp = value; 2446 else { 2447 strlcpy(videomode, this_opt, sizeof(videomode)); 2448 } 2449 } 2450 } 2451 return 0; 2452 } 2453 2454 static int __initdata initialized = 0; 2455 2456 static int __init matroxfb_init(void) 2457 { 2458 char *option = NULL; 2459 int err = 0; 2460 2461 DBG(__func__) 2462 2463 if (fb_get_options("matroxfb", &option)) 2464 return -ENODEV; 2465 matroxfb_setup(option); 2466 2467 if (disabled) 2468 return -ENXIO; 2469 if (!initialized) { 2470 initialized = 1; 2471 err = matrox_init(); 2472 } 2473 hotplug = 1; 2474 /* never return failure, user can hotplug matrox later... */ 2475 return err; 2476 } 2477 2478 module_init(matroxfb_init); 2479 2480 #else 2481 2482 /* *************************** init module code **************************** */ 2483 2484 MODULE_AUTHOR("(c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>"); 2485 MODULE_DESCRIPTION("Accelerated FBDev driver for Matrox Millennium/Mystique/G100/G200/G400/G450/G550"); 2486 MODULE_LICENSE("GPL"); 2487 2488 module_param(mem, int, 0); 2489 MODULE_PARM_DESC(mem, "Size of available memory in MB, KB or B (2,4,8,12,16MB, default=autodetect)"); 2490 module_param(disabled, int, 0); 2491 MODULE_PARM_DESC(disabled, "Disabled (0 or 1=disabled) (default=0)"); 2492 module_param(noaccel, int, 0); 2493 MODULE_PARM_DESC(noaccel, "Do not use accelerating engine (0 or 1=disabled) (default=0)"); 2494 module_param(nopan, int, 0); 2495 MODULE_PARM_DESC(nopan, "Disable pan on startup (0 or 1=disabled) (default=0)"); 2496 module_param(no_pci_retry, int, 0); 2497 MODULE_PARM_DESC(no_pci_retry, "PCI retries enabled (0 or 1=disabled) (default=0)"); 2498 module_param(novga, int, 0); 2499 MODULE_PARM_DESC(novga, "VGA I/O (0x3C0-0x3DF) disabled (0 or 1=disabled) (default=0)"); 2500 module_param(nobios, int, 0); 2501 MODULE_PARM_DESC(nobios, "Disables ROM BIOS (0 or 1=disabled) (default=do not change BIOS state)"); 2502 module_param(noinit, int, 0); 2503 MODULE_PARM_DESC(noinit, "Disables W/SG/SD-RAM and bus interface initialization (0 or 1=do not initialize) (default=0)"); 2504 module_param(memtype, int, 0); 2505 MODULE_PARM_DESC(memtype, "Memory type for G200/G400 (see Documentation/fb/matroxfb.rst for explanation) (default=3 for G200, 0 for G400)"); 2506 module_param(mtrr, int, 0); 2507 MODULE_PARM_DESC(mtrr, "This speeds up video memory accesses (0=disabled or 1) (default=1)"); 2508 module_param(sgram, int, 0); 2509 MODULE_PARM_DESC(sgram, "Indicates that G100/G200/G400 has SGRAM memory (0=SDRAM, 1=SGRAM) (default=0)"); 2510 module_param(inv24, int, 0); 2511 MODULE_PARM_DESC(inv24, "Inverts clock polarity for 24bpp and loop frequency > 100MHz (default=do not invert polarity)"); 2512 module_param(inverse, int, 0); 2513 MODULE_PARM_DESC(inverse, "Inverse (0 or 1) (default=0)"); 2514 module_param(dev, int, 0); 2515 MODULE_PARM_DESC(dev, "Multihead support, attach to device ID (0..N) (default=all working)"); 2516 module_param(vesa, int, 0); 2517 MODULE_PARM_DESC(vesa, "Startup videomode (0x000-0x1FF) (default=0x101)"); 2518 module_param(xres, int, 0); 2519 MODULE_PARM_DESC(xres, "Horizontal resolution (px), overrides xres from vesa (default=vesa)"); 2520 module_param(yres, int, 0); 2521 MODULE_PARM_DESC(yres, "Vertical resolution (scans), overrides yres from vesa (default=vesa)"); 2522 module_param(upper, int, 0); 2523 MODULE_PARM_DESC(upper, "Upper blank space (scans), overrides upper from vesa (default=vesa)"); 2524 module_param(lower, int, 0); 2525 MODULE_PARM_DESC(lower, "Lower blank space (scans), overrides lower from vesa (default=vesa)"); 2526 module_param(vslen, int, 0); 2527 MODULE_PARM_DESC(vslen, "Vertical sync length (scans), overrides lower from vesa (default=vesa)"); 2528 module_param(left, int, 0); 2529 MODULE_PARM_DESC(left, "Left blank space (px), overrides left from vesa (default=vesa)"); 2530 module_param(right, int, 0); 2531 MODULE_PARM_DESC(right, "Right blank space (px), overrides right from vesa (default=vesa)"); 2532 module_param(hslen, int, 0); 2533 MODULE_PARM_DESC(hslen, "Horizontal sync length (px), overrides hslen from vesa (default=vesa)"); 2534 module_param(pixclock, int, 0); 2535 MODULE_PARM_DESC(pixclock, "Pixelclock (ns), overrides pixclock from vesa (default=vesa)"); 2536 module_param(sync, int, 0); 2537 MODULE_PARM_DESC(sync, "Sync polarity, overrides sync from vesa (default=vesa)"); 2538 module_param(depth, int, 0); 2539 MODULE_PARM_DESC(depth, "Color depth (0=text,8,15,16,24,32) (default=vesa)"); 2540 module_param(maxclk, int, 0); 2541 MODULE_PARM_DESC(maxclk, "Startup maximal clock, 0-999MHz, 1000-999999kHz, 1000000-INF Hz"); 2542 module_param(fh, int, 0); 2543 MODULE_PARM_DESC(fh, "Startup horizontal frequency, 0-999kHz, 1000-INF Hz"); 2544 module_param(fv, int, 0); 2545 MODULE_PARM_DESC(fv, "Startup vertical frequency, 0-INF Hz\n" 2546 "You should specify \"fv:max_monitor_vsync,fh:max_monitor_hsync,maxclk:max_monitor_dotclock\""); 2547 module_param(grayscale, int, 0); 2548 MODULE_PARM_DESC(grayscale, "Sets display into grayscale. Works perfectly with paletized videomode (4, 8bpp), some limitations apply to 16, 24 and 32bpp videomodes (default=nograyscale)"); 2549 module_param(cross4MB, int, 0); 2550 MODULE_PARM_DESC(cross4MB, "Specifies that 4MB boundary can be in middle of line. (default=autodetected)"); 2551 module_param(dfp, int, 0); 2552 MODULE_PARM_DESC(dfp, "Specifies whether to use digital flat panel interface of G200/G400 (0 or 1) (default=0)"); 2553 module_param(dfp_type, int, 0); 2554 MODULE_PARM_DESC(dfp_type, "Specifies DFP interface type (0 to 255) (default=read from hardware)"); 2555 module_param_string(outputs, outputs, sizeof(outputs), 0); 2556 MODULE_PARM_DESC(outputs, "Specifies which CRTC is mapped to which output (string of up to three letters, consisting of 0 (disabled), 1 (CRTC1), 2 (CRTC2)) (default=111 for Gx50, 101 for G200/G400 with DFP, and 100 for all other devices)"); 2557 #ifdef CONFIG_PPC_PMAC 2558 module_param_named(vmode, default_vmode, int, 0); 2559 MODULE_PARM_DESC(vmode, "Specify the vmode mode number that should be used (640x480 default)"); 2560 module_param_named(cmode, default_cmode, int, 0); 2561 MODULE_PARM_DESC(cmode, "Specify the video depth that should be used (8bit default)"); 2562 #endif 2563 2564 int __init init_module(void){ 2565 2566 DBG(__func__) 2567 2568 if (disabled) 2569 return -ENXIO; 2570 2571 if (depth == 0) 2572 depth = RSText; 2573 else if (depth == 4) 2574 depth = RS4bpp; 2575 else if (depth == 8) 2576 depth = RS8bpp; 2577 else if (depth == 15) 2578 depth = RS15bpp; 2579 else if (depth == 16) 2580 depth = RS16bpp; 2581 else if (depth == 24) 2582 depth = RS24bpp; 2583 else if (depth == 32) 2584 depth = RS32bpp; 2585 else if (depth != -1) { 2586 printk(KERN_ERR "matroxfb: depth %d is not supported, using default\n", depth); 2587 depth = -1; 2588 } 2589 matrox_init(); 2590 /* never return failure; user can hotplug matrox later... */ 2591 return 0; 2592 } 2593 #endif /* MODULE */ 2594 2595 module_exit(matrox_done); 2596 EXPORT_SYMBOL(matroxfb_register_driver); 2597 EXPORT_SYMBOL(matroxfb_unregister_driver); 2598 EXPORT_SYMBOL(matroxfb_wait_for_sync); 2599 EXPORT_SYMBOL(matroxfb_enable_irq); 2600 2601 /* 2602 * Overrides for Emacs so that we follow Linus's tabbing style. 2603 * --------------------------------------------------------------------------- 2604 * Local variables: 2605 * c-basic-offset: 8 2606 * End: 2607 */ 2608 2609