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   1 /*
   2  *
   3  * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200 and G400
   4  *
   5  * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>
   6  *
   7  * Portions Copyright (c) 2001 Matrox Graphics Inc.
   8  *
   9  * Version: 1.65 2002/08/14
  10  *
  11  * MTRR stuff: 1998 Tom Rini <trini@kernel.crashing.org>
  12  *
  13  * Contributors: "menion?" <menion@mindless.com>
  14  *                     Betatesting, fixes, ideas
  15  *
  16  *               "Kurt Garloff" <garloff@suse.de>
  17  *                     Betatesting, fixes, ideas, videomodes, videomodes timmings
  18  *
  19  *               "Tom Rini" <trini@kernel.crashing.org>
  20  *                     MTRR stuff, PPC cleanups, betatesting, fixes, ideas
  21  *
  22  *               "Bibek Sahu" <scorpio@dodds.net>
  23  *                     Access device through readb|w|l and write b|w|l
  24  *                     Extensive debugging stuff
  25  *
  26  *               "Daniel Haun" <haund@usa.net>
  27  *                     Testing, hardware cursor fixes
  28  *
  29  *               "Scott Wood" <sawst46+@pitt.edu>
  30  *                     Fixes
  31  *
  32  *               "Gerd Knorr" <kraxel@goldbach.isdn.cs.tu-berlin.de>
  33  *                     Betatesting
  34  *
  35  *               "Kelly French" <targon@hazmat.com>
  36  *               "Fernando Herrera" <fherrera@eurielec.etsit.upm.es>
  37  *                     Betatesting, bug reporting
  38  *
  39  *               "Pablo Bianucci" <pbian@pccp.com.ar>
  40  *                     Fixes, ideas, betatesting
  41  *
  42  *               "Inaky Perez Gonzalez" <inaky@peloncho.fis.ucm.es>
  43  *                     Fixes, enhandcements, ideas, betatesting
  44  *
  45  *               "Ryuichi Oikawa" <roikawa@rr.iiij4u.or.jp>
  46  *                     PPC betatesting, PPC support, backward compatibility
  47  *
  48  *               "Paul Womar" <Paul@pwomar.demon.co.uk>
  49  *               "Owen Waller" <O.Waller@ee.qub.ac.uk>
  50  *                     PPC betatesting
  51  *
  52  *               "Thomas Pornin" <pornin@bolet.ens.fr>
  53  *                     Alpha betatesting
  54  *
  55  *               "Pieter van Leuven" <pvl@iae.nl>
  56  *               "Ulf Jaenicke-Roessler" <ujr@physik.phy.tu-dresden.de>
  57  *                     G100 testing
  58  *
  59  *               "H. Peter Arvin" <hpa@transmeta.com>
  60  *                     Ideas
  61  *
  62  *               "Cort Dougan" <cort@cs.nmt.edu>
  63  *                     CHRP fixes and PReP cleanup
  64  *
  65  *               "Mark Vojkovich" <mvojkovi@ucsd.edu>
  66  *                     G400 support
  67  *
  68  *               "Samuel Hocevar" <sam@via.ecp.fr>
  69  *                     Fixes
  70  *
  71  *               "Anton Altaparmakov" <AntonA@bigfoot.com>
  72  *                     G400 MAX/non-MAX distinction
  73  *
  74  *               "Ken Aaker" <kdaaker@rchland.vnet.ibm.com>
  75  *                     memtype extension (needed for GXT130P RS/6000 adapter)
  76  *
  77  *               "Uns Lider" <unslider@miranda.org>
  78  *                     G100 PLNWT fixes
  79  *
  80  *               "Denis Zaitsev" <zzz@cd-club.ru>
  81  *                     Fixes
  82  *
  83  *               "Mike Pieper" <mike@pieper-family.de>
  84  *                     TVOut enhandcements, V4L2 control interface.
  85  *
  86  *               "Diego Biurrun" <diego@biurrun.de>
  87  *                     DFP testing
  88  *
  89  * (following author is not in any relation with this code, but his code
  90  *  is included in this driver)
  91  *
  92  * Based on framebuffer driver for VBE 2.0 compliant graphic boards
  93  *     (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de>
  94  *
  95  * (following author is not in any relation with this code, but his ideas
  96  *  were used when writting this driver)
  97  *
  98  *               FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk>
  99  *
 100  */
 101
 102 #include <linux/config.h>
 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 <asm/uaccess.h>
 116
 117 #ifdef CONFIG_PPC_PMAC
 118 #include <asm/machdep.h>
 119 unsigned char nvram_read_byte(int);
 120 static int default_vmode = VMODE_NVRAM;
 121 static int default_cmode = CMODE_NVRAM;
 122 #endif
 123
 124 static void matroxfb_unregister_device(struct matrox_fb_info* minfo);
 125
 126 /* --------------------------------------------------------------------- */
 127
 128 /*
 129  * card parameters
 130  */
 131
 132 /* --------------------------------------------------------------------- */
 133
 134 static struct fb_var_screeninfo vesafb_defined = {
 135         640,480,640,480,/* W,H, W, H (virtual) load xres,xres_virtual*/
 136         0,0,            /* virtual -> visible no offset */
 137         8,              /* depth -> load bits_per_pixel */
 138         0,              /* greyscale ? */
 139         {0,0,0},        /* R */
 140         {0,0,0},        /* G */
 141         {0,0,0},        /* B */
 142         {0,0,0},        /* transparency */
 143         0,              /* standard pixel format */
 144         FB_ACTIVATE_NOW,
 145         -1,-1,
 146         FB_ACCELF_TEXT, /* accel flags */
 147         39721L,48L,16L,33L,10L,
 148         96L,2L,~0,      /* No sync info */
 149         FB_VMODE_NONINTERLACED,
 150         0, {0,0,0,0,0}
 151 };
 152
 153
 154
 155 /* --------------------------------------------------------------------- */
 156 static void update_crtc2(WPMINFO unsigned int pos) {
 157         struct matroxfb_dh_fb_info* info = ACCESS_FBINFO(crtc2.info);
 158
 159         /* Make sure that displays are compatible */
 160         if (info && (info->fbcon.var.bits_per_pixel == ACCESS_FBINFO(fbcon).var.bits_per_pixel)
 161                  && (info->fbcon.var.xres_virtual == ACCESS_FBINFO(fbcon).var.xres_virtual)
 162                  && (info->fbcon.var.green.length == ACCESS_FBINFO(fbcon).var.green.length)
 163                  ) {
 164                 switch (ACCESS_FBINFO(fbcon).var.bits_per_pixel) {
 165                         case 16:
 166                         case 32:
 167                                 pos = pos * 8;
 168                                 if (info->interlaced) {
 169                                         mga_outl(0x3C2C, pos);
 170                                         mga_outl(0x3C28, pos + ACCESS_FBINFO(fbcon).var.xres_virtual * ACCESS_FBINFO(fbcon).var.bits_per_pixel / 8);
 171                                 } else {
 172                                         mga_outl(0x3C28, pos);
 173                                 }
 174                                 break;
 175                 }
 176         }
 177 }
 178
 179 static void matroxfb_crtc1_panpos(WPMINFO2) {
 180         if (ACCESS_FBINFO(crtc1.panpos) >= 0) {
 181                 unsigned long flags;
 182                 int panpos;
 183
 184                 matroxfb_DAC_lock_irqsave(flags);
 185                 panpos = ACCESS_FBINFO(crtc1.panpos);
 186                 if (panpos >= 0) {
 187                         unsigned int extvga_reg;
 188
 189                         ACCESS_FBINFO(crtc1.panpos) = -1; /* No update pending anymore */
 190                         extvga_reg = mga_inb(M_EXTVGA_INDEX);
 191                         mga_setr(M_EXTVGA_INDEX, 0x00, panpos);
 192                         if (extvga_reg != 0x00) {
 193                                 mga_outb(M_EXTVGA_INDEX, extvga_reg);
 194                         }
 195                 }
 196                 matroxfb_DAC_unlock_irqrestore(flags);
 197         }
 198 }
 199
 200 static irqreturn_t matrox_irq(int irq, void *dev_id, struct pt_regs *fp)
 201 {
 202         u_int32_t status;
 203         int handled = 0;
 204
 205         MINFO_FROM(dev_id);
 206
 207         status = mga_inl(M_STATUS);
 208
 209         if (status & 0x20) {
 210                 mga_outl(M_ICLEAR, 0x20);
 211                 ACCESS_FBINFO(crtc1.vsync.cnt)++;
 212                 matroxfb_crtc1_panpos(PMINFO2);
 213                 wake_up_interruptible(&ACCESS_FBINFO(crtc1.vsync.wait));
 214                 handled = 1;
 215         }
 216         if (status & 0x200) {
 217                 mga_outl(M_ICLEAR, 0x200);
 218                 ACCESS_FBINFO(crtc2.vsync.cnt)++;
 219                 wake_up_interruptible(&ACCESS_FBINFO(crtc2.vsync.wait));
 220                 handled = 1;
 221         }
 222         return IRQ_RETVAL(handled);
 223 }
 224
 225 int matroxfb_enable_irq(WPMINFO int reenable) {
 226         u_int32_t bm;
 227
 228         if (ACCESS_FBINFO(devflags.accelerator) == FB_ACCEL_MATROX_MGAG400)
 229                 bm = 0x220;
 230         else
 231                 bm = 0x020;
 232
 233         if (!test_and_set_bit(0, &ACCESS_FBINFO(irq_flags))) {
 234                 if (request_irq(ACCESS_FBINFO(pcidev)->irq, matrox_irq,
 235                                 SA_SHIRQ, "matroxfb", MINFO)) {
 236                         clear_bit(0, &ACCESS_FBINFO(irq_flags));
 237                         return -EINVAL;
 238                 }
 239                 /* Clear any pending field interrupts */
 240                 mga_outl(M_ICLEAR, bm);
 241                 mga_outl(M_IEN, mga_inl(M_IEN) | bm);
 242         } else if (reenable) {
 243                 u_int32_t ien;
 244
 245                 ien = mga_inl(M_IEN);
 246                 if ((ien & bm) != bm) {
 247                         printk(KERN_DEBUG "matroxfb: someone disabled IRQ [%08X]\n", ien);
 248                         mga_outl(M_IEN, ien | bm);
 249                 }
 250         }
 251         return 0;
 252 }
 253
 254 static void matroxfb_disable_irq(WPMINFO2) {
 255         if (test_and_clear_bit(0, &ACCESS_FBINFO(irq_flags))) {
 256                 /* Flush pending pan-at-vbl request... */
 257                 matroxfb_crtc1_panpos(PMINFO2);
 258                 if (ACCESS_FBINFO(devflags.accelerator) == FB_ACCEL_MATROX_MGAG400)
 259                         mga_outl(M_IEN, mga_inl(M_IEN) & ~0x220);
 260                 else
 261                         mga_outl(M_IEN, mga_inl(M_IEN) & ~0x20);
 262                 free_irq(ACCESS_FBINFO(pcidev)->irq, MINFO);
 263         }
 264 }
 265
 266 int matroxfb_wait_for_sync(WPMINFO u_int32_t crtc) {
 267         struct matrox_vsync *vs;
 268         unsigned int cnt;
 269         int ret;
 270
 271         switch (crtc) {
 272                 case 0:
 273                         vs = &ACCESS_FBINFO(crtc1.vsync);
 274                         break;
 275                 case 1:
 276                         if (ACCESS_FBINFO(devflags.accelerator) != FB_ACCEL_MATROX_MGAG400) {
 277                                 return -ENODEV;
 278                         }
 279                         vs = &ACCESS_FBINFO(crtc2.vsync);
 280                         break;
 281                 default:
 282                         return -ENODEV;
 283         }
 284         ret = matroxfb_enable_irq(PMINFO 0);
 285         if (ret) {
 286                 return ret;
 287         }
 288
 289         cnt = vs->cnt;
 290         ret = wait_event_interruptible_timeout(vs->wait, cnt != vs->cnt, HZ/10);
 291         if (ret < 0) {
 292                 return ret;
 293         }
 294         if (ret == 0) {
 295                 matroxfb_enable_irq(PMINFO 1);
 296                 return -ETIMEDOUT;
 297         }
 298         return 0;
 299 }
 300
 301 /* --------------------------------------------------------------------- */
 302
 303 static void matrox_pan_var(WPMINFO struct fb_var_screeninfo *var) {
 304         unsigned int pos;
 305         unsigned short p0, p1, p2;
 306 #ifdef CONFIG_FB_MATROX_32MB
 307         unsigned int p3;
 308 #endif
 309         int vbl;
 310         unsigned long flags;
 311
 312         CRITFLAGS
 313
 314         DBG(__FUNCTION__)
 315
 316         if (ACCESS_FBINFO(dead))
 317                 return;
 318
 319         ACCESS_FBINFO(fbcon).var.xoffset = var->xoffset;
 320         ACCESS_FBINFO(fbcon).var.yoffset = var->yoffset;
 321         pos = (ACCESS_FBINFO(fbcon).var.yoffset * ACCESS_FBINFO(fbcon).var.xres_virtual + ACCESS_FBINFO(fbcon).var.xoffset) * ACCESS_FBINFO(curr.final_bppShift) / 32;
 322         pos += ACCESS_FBINFO(curr.ydstorg.chunks);
 323         p0 = ACCESS_FBINFO(hw).CRTC[0x0D] = pos & 0xFF;
 324         p1 = ACCESS_FBINFO(hw).CRTC[0x0C] = (pos & 0xFF00) >> 8;
 325         p2 = ACCESS_FBINFO(hw).CRTCEXT[0] = (ACCESS_FBINFO(hw).CRTCEXT[0] & 0xB0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
 326 #ifdef CONFIG_FB_MATROX_32MB
 327         p3 = ACCESS_FBINFO(hw).CRTCEXT[8] = pos >> 21;
 328 #endif
 329
 330         /* FB_ACTIVATE_VBL and we can acquire interrupts? Honor FB_ACTIVATE_VBL then... */
 331         vbl = (var->activate & FB_ACTIVATE_VBL) && (matroxfb_enable_irq(PMINFO 0) == 0);
 332
 333         CRITBEGIN
 334
 335         matroxfb_DAC_lock_irqsave(flags);
 336         mga_setr(M_CRTC_INDEX, 0x0D, p0);
 337         mga_setr(M_CRTC_INDEX, 0x0C, p1);
 338 #ifdef CONFIG_FB_MATROX_32MB
 339         if (ACCESS_FBINFO(devflags.support32MB))
 340                 mga_setr(M_EXTVGA_INDEX, 0x08, p3);
 341 #endif
 342         if (vbl) {
 343                 ACCESS_FBINFO(crtc1.panpos) = p2;
 344         } else {
 345                 /* Abort any pending change */
 346                 ACCESS_FBINFO(crtc1.panpos) = -1;
 347                 mga_setr(M_EXTVGA_INDEX, 0x00, p2);
 348         }
 349         matroxfb_DAC_unlock_irqrestore(flags);
 350
 351         update_crtc2(PMINFO pos);
 352
 353         CRITEND
 354 }
 355
 356 static void matroxfb_remove(WPMINFO int dummy) {
 357         /* Currently we are holding big kernel lock on all dead & usecount updates.
 358          * Destroy everything after all users release it. Especially do not unregister
 359          * framebuffer and iounmap memory, neither fbmem nor fbcon-cfb* does not check
 360          * for device unplugged when in use.
 361          * In future we should point mmio.vbase & video.vbase somewhere where we can
 362          * write data without causing too much damage...
 363          */
 364
 365         ACCESS_FBINFO(dead) = 1;
 366         if (ACCESS_FBINFO(usecount)) {
 367                 /* destroy it later */
 368                 return;
 369         }
 370         matroxfb_unregister_device(MINFO);
 371         unregister_framebuffer(&ACCESS_FBINFO(fbcon));
 372         matroxfb_g450_shutdown(PMINFO2);
 373 #ifdef CONFIG_MTRR
 374         if (ACCESS_FBINFO(mtrr.vram_valid))
 375                 mtrr_del(ACCESS_FBINFO(mtrr.vram), ACCESS_FBINFO(video.base), ACCESS_FBINFO(video.len));
 376 #endif
 377         mga_iounmap(ACCESS_FBINFO(mmio.vbase));
 378         mga_iounmap(ACCESS_FBINFO(video.vbase));
 379         release_mem_region(ACCESS_FBINFO(video.base), ACCESS_FBINFO(video.len_maximum));
 380         release_mem_region(ACCESS_FBINFO(mmio.base), 16384);
 381 #ifdef CONFIG_FB_MATROX_MULTIHEAD
 382         kfree(minfo);
 383 #endif
 384 }
 385
 386         /*
 387          * Open/Release the frame buffer device
 388          */
 389
 390 static int matroxfb_open(struct fb_info *info, int user)
 391 {
 392         MINFO_FROM_INFO(info);
 393
 394         DBG_LOOP(__FUNCTION__)
 395
 396         if (ACCESS_FBINFO(dead)) {
 397                 return -ENXIO;
 398         }
 399         ACCESS_FBINFO(usecount)++;
 400         if (user) {
 401                 ACCESS_FBINFO(userusecount)++;
 402         }
 403         return(0);
 404 }
 405
 406 static int matroxfb_release(struct fb_info *info, int user)
 407 {
 408         MINFO_FROM_INFO(info);
 409
 410         DBG_LOOP(__FUNCTION__)
 411
 412         if (user) {
 413                 if (0 == --ACCESS_FBINFO(userusecount)) {
 414                         matroxfb_disable_irq(PMINFO2);
 415                 }
 416         }
 417         if (!(--ACCESS_FBINFO(usecount)) && ACCESS_FBINFO(dead)) {
 418                 matroxfb_remove(PMINFO 0);
 419         }
 420         return(0);
 421 }
 422
 423 static int matroxfb_pan_display(struct fb_var_screeninfo *var,
 424                 struct fb_info* info) {
 425         MINFO_FROM_INFO(info);
 426
 427         DBG(__FUNCTION__)
 428
 429         matrox_pan_var(PMINFO var);
 430         return 0;
 431 }
 432
 433 static int matroxfb_get_final_bppShift(CPMINFO int bpp) {
 434         int bppshft2;
 435
 436         DBG(__FUNCTION__)
 437
 438         bppshft2 = bpp;
 439         if (!bppshft2) {
 440                 return 8;
 441         }
 442         if (isInterleave(MINFO))
 443                 bppshft2 >>= 1;
 444         if (ACCESS_FBINFO(devflags.video64bits))
 445                 bppshft2 >>= 1;
 446         return bppshft2;
 447 }
 448
 449 static int matroxfb_test_and_set_rounding(CPMINFO int xres, int bpp) {
 450         int over;
 451         int rounding;
 452
 453         DBG(__FUNCTION__)
 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 (ACCESS_FBINFO(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(CPMINFO int xres, int bpp) {
 481         const int* width;
 482         int xres_new;
 483
 484         DBG(__FUNCTION__)
 485
 486         if (!bpp) return xres;
 487
 488         width = ACCESS_FBINFO(capable.vxres);
 489
 490         if (ACCESS_FBINFO(devflags.precise_width)) {
 491                 while (*width) {
 492                         if ((*width >= xres) && (matroxfb_test_and_set_rounding(PMINFO *width, bpp) == *width)) {
 493                                 break;
 494                         }
 495                         width++;
 496                 }
 497                 xres_new = *width;
 498         } else {
 499                 xres_new = matroxfb_test_and_set_rounding(PMINFO xres, bpp);
 500         }
 501         return xres_new;
 502 }
 503
 504 static int matroxfb_get_cmap_len(struct fb_var_screeninfo *var) {
 505
 506         DBG(__FUNCTION__)
 507
 508         switch (var->bits_per_pixel) {
 509                 case 4:
 510                         return 16;      /* pseudocolor... 16 entries HW palette */
 511                 case 8:
 512                         return 256;     /* pseudocolor... 256 entries HW palette */
 513                 case 16:
 514                         return 16;      /* directcolor... 16 entries SW palette */
 515                                         /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 516                 case 24:
 517                         return 16;      /* directcolor... 16 entries SW palette */
 518                                         /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 519                 case 32:
 520                         return 16;      /* directcolor... 16 entries SW palette */
 521                                         /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 522         }
 523         return 16;      /* return something reasonable... or panic()? */
 524 }
 525
 526 static int matroxfb_decode_var(CPMINFO struct fb_var_screeninfo *var, int *visual, int *video_cmap_len, unsigned int* ydstorg) {
 527         struct RGBT {
 528                 unsigned char bpp;
 529                 struct {
 530                         unsigned char offset,
 531                                       length;
 532                 } red,
 533                   green,
 534                   blue,
 535                   transp;
 536                 signed char visual;
 537         };
 538         static const struct RGBT table[]= {
 539                 { 8,{ 0,8},{0,8},{0,8},{ 0,0},MX_VISUAL_PSEUDOCOLOR},
 540                 {15,{10,5},{5,5},{0,5},{15,1},MX_VISUAL_DIRECTCOLOR},
 541                 {16,{11,5},{5,6},{0,5},{ 0,0},MX_VISUAL_DIRECTCOLOR},
 542                 {24,{16,8},{8,8},{0,8},{ 0,0},MX_VISUAL_DIRECTCOLOR},
 543                 {32,{16,8},{8,8},{0,8},{24,8},MX_VISUAL_DIRECTCOLOR}
 544         };
 545         struct RGBT const *rgbt;
 546         unsigned int bpp = var->bits_per_pixel;
 547         unsigned int vramlen;
 548         unsigned int memlen;
 549
 550         DBG(__FUNCTION__)
 551
 552         switch (bpp) {
 553                 case 4:  if (!ACCESS_FBINFO(capable.cfb4)) return -EINVAL;
 554                          break;
 555                 case 8:  break;
 556                 case 16: break;
 557                 case 24: break;
 558                 case 32: break;
 559                 default: return -EINVAL;
 560         }
 561         *ydstorg = 0;
 562         vramlen = ACCESS_FBINFO(video.len_usable);
 563         if (var->yres_virtual < var->yres)
 564                 var->yres_virtual = var->yres;
 565         if (var->xres_virtual < var->xres)
 566                 var->xres_virtual = var->xres;
 567
 568         var->xres_virtual = matroxfb_pitch_adjust(PMINFO var->xres_virtual, bpp);
 569         memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
 570         if (memlen > vramlen) {
 571                 var->yres_virtual = vramlen * 8 / (var->xres_virtual * bpp);
 572                 memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
 573         }
 574         /* There is hardware bug that no line can cross 4MB boundary */
 575         /* give up for CFB24, it is impossible to easy workaround it */
 576         /* for other try to do something */
 577         if (!ACCESS_FBINFO(capable.cross4MB) && (memlen > 0x400000)) {
 578                 if (bpp == 24) {
 579                         /* sorry */
 580                 } else {
 581                         unsigned int linelen;
 582                         unsigned int m1 = linelen = var->xres_virtual * bpp / 8;
 583                         unsigned int m2 = PAGE_SIZE;    /* or 128 if you do not need PAGE ALIGNED address */
 584                         unsigned int max_yres;
 585
 586                         while (m1) {
 587                                 int t;
 588
 589                                 while (m2 >= m1) m2 -= m1;
 590                                 t = m1;
 591                                 m1 = m2;
 592                                 m2 = t;
 593                         }
 594                         m2 = linelen * PAGE_SIZE / m2;
 595                         *ydstorg = m2 = 0x400000 % m2;
 596                         max_yres = (vramlen - m2) / linelen;
 597                         if (var->yres_virtual > max_yres)
 598                                 var->yres_virtual = max_yres;
 599                 }
 600         }
 601         /* YDSTLEN contains only signed 16bit value */
 602         if (var->yres_virtual > 32767)
 603                 var->yres_virtual = 32767;
 604         /* we must round yres/xres down, we already rounded y/xres_virtual up
 605            if it was possible. We should return -EINVAL, but I disagree */
 606         if (var->yres_virtual < var->yres)
 607                 var->yres = var->yres_virtual;
 608         if (var->xres_virtual < var->xres)
 609                 var->xres = var->xres_virtual;
 610         if (var->xoffset + var->xres > var->xres_virtual)
 611                 var->xoffset = var->xres_virtual - var->xres;
 612         if (var->yoffset + var->yres > var->yres_virtual)
 613                 var->yoffset = var->yres_virtual - var->yres;
 614
 615         if (bpp == 16 && var->green.length == 5) {
 616                 bpp--; /* an artifical value - 15 */
 617         }
 618
 619         for (rgbt = table; rgbt->bpp < bpp; rgbt++);
 620 #define SETCLR(clr)\
 621         var->clr.offset = rgbt->clr.offset;\
 622         var->clr.length = rgbt->clr.length
 623         SETCLR(red);
 624         SETCLR(green);
 625         SETCLR(blue);
 626         SETCLR(transp);
 627 #undef  SETCLR
 628         *visual = rgbt->visual;
 629
 630         if (bpp > 8)
 631                 dprintk("matroxfb: truecolor: "
 632                         "size=%d:%d:%d:%d, shift=%d:%d:%d:%d\n",
 633                         var->transp.length, var->red.length, var->green.length, var->blue.length,
 634                         var->transp.offset, var->red.offset, var->green.offset, var->blue.offset);
 635
 636         *video_cmap_len = matroxfb_get_cmap_len(var);
 637         dprintk(KERN_INFO "requested %d*%d/%dbpp (%d*%d)\n", var->xres, var->yres, var->bits_per_pixel,
 638                                 var->xres_virtual, var->yres_virtual);
 639         return 0;
 640 }
 641
 642 static int matroxfb_setcolreg(unsigned regno, unsigned red, unsigned green,
 643                               unsigned blue, unsigned transp,
 644                               struct fb_info *fb_info)
 645 {
 646 #ifdef CONFIG_FB_MATROX_MULTIHEAD
 647         struct matrox_fb_info* minfo = container_of(fb_info, struct matrox_fb_info, fbcon);
 648 #endif
 649
 650         DBG(__FUNCTION__)
 651
 652         /*
 653          *  Set a single color register. The values supplied are
 654          *  already rounded down to the hardware's capabilities
 655          *  (according to the entries in the `var' structure). Return
 656          *  != 0 for invalid regno.
 657          */
 658
 659         if (regno >= ACCESS_FBINFO(curr.cmap_len))
 660                 return 1;
 661
 662         if (ACCESS_FBINFO(fbcon).var.grayscale) {
 663                 /* gray = 0.30*R + 0.59*G + 0.11*B */
 664                 red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
 665         }
 666
 667         red = CNVT_TOHW(red, ACCESS_FBINFO(fbcon).var.red.length);
 668         green = CNVT_TOHW(green, ACCESS_FBINFO(fbcon).var.green.length);
 669         blue = CNVT_TOHW(blue, ACCESS_FBINFO(fbcon).var.blue.length);
 670         transp = CNVT_TOHW(transp, ACCESS_FBINFO(fbcon).var.transp.length);
 671
 672         switch (ACCESS_FBINFO(fbcon).var.bits_per_pixel) {
 673         case 4:
 674         case 8:
 675                 mga_outb(M_DAC_REG, regno);
 676                 mga_outb(M_DAC_VAL, red);
 677                 mga_outb(M_DAC_VAL, green);
 678                 mga_outb(M_DAC_VAL, blue);
 679                 break;
 680         case 16:
 681                 {
 682                         u_int16_t col =
 683                                 (red << ACCESS_FBINFO(fbcon).var.red.offset)     |
 684                                 (green << ACCESS_FBINFO(fbcon).var.green.offset) |
 685                                 (blue << ACCESS_FBINFO(fbcon).var.blue.offset)   |
 686                                 (transp << ACCESS_FBINFO(fbcon).var.transp.offset); /* for 1:5:5:5 */
 687                         ACCESS_FBINFO(cmap[regno]) = col | (col << 16);
 688                 }
 689                 break;
 690         case 24:
 691         case 32:
 692                 ACCESS_FBINFO(cmap[regno]) =
 693                         (red   << ACCESS_FBINFO(fbcon).var.red.offset)   |
 694                         (green << ACCESS_FBINFO(fbcon).var.green.offset) |
 695                         (blue  << ACCESS_FBINFO(fbcon).var.blue.offset)  |
 696                         (transp << ACCESS_FBINFO(fbcon).var.transp.offset);     /* 8:8:8:8 */
 697                 break;
 698         }
 699         return 0;
 700 }
 701
 702 static void matroxfb_init_fix(WPMINFO2)
 703 {
 704         struct fb_fix_screeninfo *fix = &ACCESS_FBINFO(fbcon).fix;
 705         DBG(__FUNCTION__)
 706
 707         strcpy(fix->id,"MATROX");
 708
 709         fix->xpanstep = 8;      /* 8 for 8bpp, 4 for 16bpp, 2 for 32bpp */
 710         fix->ypanstep = 1;
 711         fix->ywrapstep = 0;
 712         fix->mmio_start = ACCESS_FBINFO(mmio.base);
 713         fix->mmio_len = ACCESS_FBINFO(mmio.len);
 714         fix->accel = ACCESS_FBINFO(devflags.accelerator);
 715 }
 716
 717 static void matroxfb_update_fix(WPMINFO2)
 718 {
 719         struct fb_fix_screeninfo *fix = &ACCESS_FBINFO(fbcon).fix;
 720         DBG(__FUNCTION__)
 721
 722         fix->smem_start = ACCESS_FBINFO(video.base) + ACCESS_FBINFO(curr.ydstorg.bytes);
 723         fix->smem_len = ACCESS_FBINFO(video.len_usable) - ACCESS_FBINFO(curr.ydstorg.bytes);
 724 }
 725
 726 static int matroxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 727 {
 728         int err;
 729         int visual;
 730         int cmap_len;
 731         unsigned int ydstorg;
 732         MINFO_FROM_INFO(info);
 733
 734         if (ACCESS_FBINFO(dead)) {
 735                 return -ENXIO;
 736         }
 737         if ((err = matroxfb_decode_var(PMINFO var, &visual, &cmap_len, &ydstorg)) != 0)
 738                 return err;
 739         return 0;
 740 }
 741
 742 static int matroxfb_set_par(struct fb_info *info)
 743 {
 744         int err;
 745         int visual;
 746         int cmap_len;
 747         unsigned int ydstorg;
 748         struct fb_var_screeninfo *var;
 749         MINFO_FROM_INFO(info);
 750
 751         DBG(__FUNCTION__)
 752
 753         if (ACCESS_FBINFO(dead)) {
 754                 return -ENXIO;
 755         }
 756
 757         var = &info->var;
 758         if ((err = matroxfb_decode_var(PMINFO var, &visual, &cmap_len, &ydstorg)) != 0)
 759                 return err;
 760         ACCESS_FBINFO(fbcon.screen_base) = vaddr_va(ACCESS_FBINFO(video.vbase)) + ydstorg;
 761         matroxfb_update_fix(PMINFO2);
 762         ACCESS_FBINFO(fbcon).fix.visual = visual;
 763         ACCESS_FBINFO(fbcon).fix.type = FB_TYPE_PACKED_PIXELS;
 764         ACCESS_FBINFO(fbcon).fix.type_aux = 0;
 765         ACCESS_FBINFO(fbcon).fix.line_length = (var->xres_virtual * var->bits_per_pixel) >> 3;
 766         {
 767                 unsigned int pos;
 768
 769                 ACCESS_FBINFO(curr.cmap_len) = cmap_len;
 770                 ydstorg += ACCESS_FBINFO(devflags.ydstorg);
 771                 ACCESS_FBINFO(curr.ydstorg.bytes) = ydstorg;
 772                 ACCESS_FBINFO(curr.ydstorg.chunks) = ydstorg >> (isInterleave(MINFO)?3:2);
 773                 if (var->bits_per_pixel == 4)
 774                         ACCESS_FBINFO(curr.ydstorg.pixels) = ydstorg;
 775                 else
 776                         ACCESS_FBINFO(curr.ydstorg.pixels) = (ydstorg * 8) / var->bits_per_pixel;
 777                 ACCESS_FBINFO(curr.final_bppShift) = matroxfb_get_final_bppShift(PMINFO var->bits_per_pixel);
 778                 {       struct my_timming mt;
 779                         struct matrox_hw_state* hw;
 780                         int out;
 781
 782                         matroxfb_var2my(var, &mt);
 783                         mt.crtc = MATROXFB_SRC_CRTC1;
 784                         /* CRTC1 delays */
 785                         switch (var->bits_per_pixel) {
 786                                 case  0:        mt.delay = 31 + 0; break;
 787                                 case 16:        mt.delay = 21 + 8; break;
 788                                 case 24:        mt.delay = 17 + 8; break;
 789                                 case 32:        mt.delay = 16 + 8; break;
 790                                 default:        mt.delay = 31 + 8; break;
 791                         }
 792
 793                         hw = &ACCESS_FBINFO(hw);
 794
 795                         down_read(&ACCESS_FBINFO(altout).lock);
 796                         for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 797                                 if (ACCESS_FBINFO(outputs[out]).src == MATROXFB_SRC_CRTC1 &&
 798                                     ACCESS_FBINFO(outputs[out]).output->compute) {
 799                                         ACCESS_FBINFO(outputs[out]).output->compute(ACCESS_FBINFO(outputs[out]).data, &mt);
 800                                 }
 801                         }
 802                         up_read(&ACCESS_FBINFO(altout).lock);
 803                         ACCESS_FBINFO(crtc1).pixclock = mt.pixclock;
 804                         ACCESS_FBINFO(crtc1).mnp = mt.mnp;
 805                         ACCESS_FBINFO(hw_switch->init(PMINFO &mt));
 806                         pos = (var->yoffset * var->xres_virtual + var->xoffset) * ACCESS_FBINFO(curr.final_bppShift) / 32;
 807                         pos += ACCESS_FBINFO(curr.ydstorg.chunks);
 808
 809                         hw->CRTC[0x0D] = pos & 0xFF;
 810                         hw->CRTC[0x0C] = (pos & 0xFF00) >> 8;
 811                         hw->CRTCEXT[0] = (hw->CRTCEXT[0] & 0xF0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
 812                         hw->CRTCEXT[8] = pos >> 21;
 813                         ACCESS_FBINFO(hw_switch->restore(PMINFO2));
 814                         update_crtc2(PMINFO pos);
 815                         down_read(&ACCESS_FBINFO(altout).lock);
 816                         for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 817                                 if (ACCESS_FBINFO(outputs[out]).src == MATROXFB_SRC_CRTC1 &&
 818                                     ACCESS_FBINFO(outputs[out]).output->program) {
 819                                         ACCESS_FBINFO(outputs[out]).output->program(ACCESS_FBINFO(outputs[out]).data);
 820                                 }
 821                         }
 822                         for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 823                                 if (ACCESS_FBINFO(outputs[out]).src == MATROXFB_SRC_CRTC1 &&
 824                                     ACCESS_FBINFO(outputs[out]).output->start) {
 825                                         ACCESS_FBINFO(outputs[out]).output->start(ACCESS_FBINFO(outputs[out]).data);
 826                                 }
 827                         }
 828                         up_read(&ACCESS_FBINFO(altout).lock);
 829                         matrox_cfbX_init(PMINFO2);
 830                 }
 831         }
 832         ACCESS_FBINFO(initialized) = 1;
 833         return 0;
 834 }
 835
 836 static int matroxfb_get_vblank(WPMINFO struct fb_vblank *vblank)
 837 {
 838         unsigned int sts1;
 839
 840         matroxfb_enable_irq(PMINFO 0);
 841         memset(vblank, 0, sizeof(*vblank));
 842         vblank->flags = FB_VBLANK_HAVE_VCOUNT | FB_VBLANK_HAVE_VSYNC |
 843                         FB_VBLANK_HAVE_VBLANK | FB_VBLANK_HAVE_HBLANK;
 844         sts1 = mga_inb(M_INSTS1);
 845         vblank->vcount = mga_inl(M_VCOUNT);
 846         /* BTW, on my PIII/450 with G400, reading M_INSTS1
 847            byte makes this call about 12% slower (1.70 vs. 2.05 us
 848            per ioctl()) */
 849         if (sts1 & 1)
 850                 vblank->flags |= FB_VBLANK_HBLANKING;
 851         if (sts1 & 8)
 852                 vblank->flags |= FB_VBLANK_VSYNCING;
 853         if (vblank->vcount >= ACCESS_FBINFO(fbcon).var.yres)
 854                 vblank->flags |= FB_VBLANK_VBLANKING;
 855         if (test_bit(0, &ACCESS_FBINFO(irq_flags))) {
 856                 vblank->flags |= FB_VBLANK_HAVE_COUNT;
 857                 /* Only one writer, aligned int value...
 858                    it should work without lock and without atomic_t */
 859                 vblank->count = ACCESS_FBINFO(crtc1).vsync.cnt;
 860         }
 861         return 0;
 862 }
 863
 864 static struct matrox_altout panellink_output = {
 865         .name    = "Panellink output",
 866 };
 867
 868 static int matroxfb_ioctl(struct fb_info *info,
 869                           unsigned int cmd, unsigned long arg)
 870 {
 871         void __user *argp = (void __user *)arg;
 872         MINFO_FROM_INFO(info);
 873
 874         DBG(__FUNCTION__)
 875
 876         if (ACCESS_FBINFO(dead)) {
 877                 return -ENXIO;
 878         }
 879
 880         switch (cmd) {
 881                 case FBIOGET_VBLANK:
 882                         {
 883                                 struct fb_vblank vblank;
 884                                 int err;
 885
 886                                 err = matroxfb_get_vblank(PMINFO &vblank);
 887                                 if (err)
 888                                         return err;
 889                                 if (copy_to_user(argp, &vblank, sizeof(vblank)))
 890                                         return -EFAULT;
 891                                 return 0;
 892                         }
 893                 case FBIO_WAITFORVSYNC:
 894                         {
 895                                 u_int32_t crt;
 896
 897                                 if (get_user(crt, (u_int32_t __user *)arg))
 898                                         return -EFAULT;
 899
 900                                 return matroxfb_wait_for_sync(PMINFO crt);
 901                         }
 902                 case MATROXFB_SET_OUTPUT_MODE:
 903                         {
 904                                 struct matroxioc_output_mode mom;
 905                                 struct matrox_altout *oproc;
 906                                 int val;
 907
 908                                 if (copy_from_user(&mom, argp, sizeof(mom)))
 909                                         return -EFAULT;
 910                                 if (mom.output >= MATROXFB_MAX_OUTPUTS)
 911                                         return -ENXIO;
 912                                 down_read(&ACCESS_FBINFO(altout.lock));
 913                                 oproc = ACCESS_FBINFO(outputs[mom.output]).output;
 914                                 if (!oproc) {
 915                                         val = -ENXIO;
 916                                 } else if (!oproc->verifymode) {
 917                                         if (mom.mode == MATROXFB_OUTPUT_MODE_MONITOR) {
 918                                                 val = 0;
 919                                         } else {
 920                                                 val = -EINVAL;
 921                                         }
 922                                 } else {
 923                                         val = oproc->verifymode(ACCESS_FBINFO(outputs[mom.output]).data, mom.mode);
 924                                 }
 925                                 if (!val) {
 926                                         if (ACCESS_FBINFO(outputs[mom.output]).mode != mom.mode) {
 927                                                 ACCESS_FBINFO(outputs[mom.output]).mode = mom.mode;
 928                                                 val = 1;
 929                                         }
 930                                 }
 931                                 up_read(&ACCESS_FBINFO(altout.lock));
 932                                 if (val != 1)
 933                                         return val;
 934                                 switch (ACCESS_FBINFO(outputs[mom.output]).src) {
 935                                         case MATROXFB_SRC_CRTC1:
 936                                                 matroxfb_set_par(info);
 937                                                 break;
 938                                         case MATROXFB_SRC_CRTC2:
 939                                                 {
 940                                                         struct matroxfb_dh_fb_info* crtc2;
 941
 942                                                         down_read(&ACCESS_FBINFO(crtc2.lock));
 943                                                         crtc2 = ACCESS_FBINFO(crtc2.info);
 944                                                         if (crtc2)
 945                                                                 crtc2->fbcon.fbops->fb_set_par(&crtc2->fbcon);
 946                                                         up_read(&ACCESS_FBINFO(crtc2.lock));
 947                                                 }
 948                                                 break;
 949                                 }
 950                                 return 0;
 951                         }
 952                 case MATROXFB_GET_OUTPUT_MODE:
 953                         {
 954                                 struct matroxioc_output_mode mom;
 955                                 struct matrox_altout *oproc;
 956                                 int val;
 957
 958                                 if (copy_from_user(&mom, argp, sizeof(mom)))
 959                                         return -EFAULT;
 960                                 if (mom.output >= MATROXFB_MAX_OUTPUTS)
 961                                         return -ENXIO;
 962                                 down_read(&ACCESS_FBINFO(altout.lock));
 963                                 oproc = ACCESS_FBINFO(outputs[mom.output]).output;
 964                                 if (!oproc) {
 965                                         val = -ENXIO;
 966                                 } else {
 967                                         mom.mode = ACCESS_FBINFO(outputs[mom.output]).mode;
 968                                         val = 0;
 969                                 }
 970                                 up_read(&ACCESS_FBINFO(altout.lock));
 971                                 if (val)
 972                                         return val;
 973                                 if (copy_to_user(argp, &mom, sizeof(mom)))
 974                                         return -EFAULT;
 975                                 return 0;
 976                         }
 977                 case MATROXFB_SET_OUTPUT_CONNECTION:
 978                         {
 979                                 u_int32_t tmp;
 980                                 int i;
 981                                 int changes;
 982
 983                                 if (copy_from_user(&tmp, argp, sizeof(tmp)))
 984                                         return -EFAULT;
 985                                 for (i = 0; i < 32; i++) {
 986                                         if (tmp & (1 << i)) {
 987                                                 if (i >= MATROXFB_MAX_OUTPUTS)
 988                                                         return -ENXIO;
 989                                                 if (!ACCESS_FBINFO(outputs[i]).output)
 990                                                         return -ENXIO;
 991                                                 switch (ACCESS_FBINFO(outputs[i]).src) {
 992                                                         case MATROXFB_SRC_NONE:
 993                                                         case MATROXFB_SRC_CRTC1:
 994                                                                 break;
 995                                                         default:
 996                                                                 return -EBUSY;
 997                                                 }
 998                                         }
 999                                 }
1000                                 if (ACCESS_FBINFO(devflags.panellink)) {
1001                                         if (tmp & MATROXFB_OUTPUT_CONN_DFP) {
1002                                                 if (tmp & MATROXFB_OUTPUT_CONN_SECONDARY)
1003                                                         return -EINVAL;
1004                                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1005                                                         if (ACCESS_FBINFO(outputs[i]).src == MATROXFB_SRC_CRTC2) {
1006                                                                 return -EBUSY;
1007                                                         }
1008                                                 }
1009                                         }
1010                                 }
1011                                 changes = 0;
1012                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1013                                         if (tmp & (1 << i)) {
1014                                                 if (ACCESS_FBINFO(outputs[i]).src != MATROXFB_SRC_CRTC1) {
1015                                                         changes = 1;
1016                                                         ACCESS_FBINFO(outputs[i]).src = MATROXFB_SRC_CRTC1;
1017                                                 }
1018                                         } else if (ACCESS_FBINFO(outputs[i]).src == MATROXFB_SRC_CRTC1) {
1019                                                 changes = 1;
1020                                                 ACCESS_FBINFO(outputs[i]).src = MATROXFB_SRC_NONE;
1021                                         }
1022                                 }
1023                                 if (!changes)
1024                                         return 0;
1025                                 matroxfb_set_par(info);
1026                                 return 0;
1027                         }
1028                 case MATROXFB_GET_OUTPUT_CONNECTION:
1029                         {
1030                                 u_int32_t conn = 0;
1031                                 int i;
1032
1033                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1034                                         if (ACCESS_FBINFO(outputs[i]).src == MATROXFB_SRC_CRTC1) {
1035                                                 conn |= 1 << i;
1036                                         }
1037                                 }
1038                                 if (put_user(conn, (u_int32_t __user *)arg))
1039                                         return -EFAULT;
1040                                 return 0;
1041                         }
1042                 case MATROXFB_GET_AVAILABLE_OUTPUTS:
1043                         {
1044                                 u_int32_t conn = 0;
1045                                 int i;
1046
1047                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1048                                         if (ACCESS_FBINFO(outputs[i]).output) {
1049                                                 switch (ACCESS_FBINFO(outputs[i]).src) {
1050                                                         case MATROXFB_SRC_NONE:
1051                                                         case MATROXFB_SRC_CRTC1:
1052                                                                 conn |= 1 << i;
1053                                                                 break;
1054                                                 }
1055                                         }
1056                                 }
1057                                 if (ACCESS_FBINFO(devflags.panellink)) {
1058                                         if (conn & MATROXFB_OUTPUT_CONN_DFP)
1059                                                 conn &= ~MATROXFB_OUTPUT_CONN_SECONDARY;
1060                                         if (conn & MATROXFB_OUTPUT_CONN_SECONDARY)
1061                                                 conn &= ~MATROXFB_OUTPUT_CONN_DFP;
1062                                 }
1063                                 if (put_user(conn, (u_int32_t __user *)arg))
1064                                         return -EFAULT;
1065                                 return 0;
1066                         }
1067                 case MATROXFB_GET_ALL_OUTPUTS:
1068                         {
1069                                 u_int32_t conn = 0;
1070                                 int i;
1071
1072                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1073                                         if (ACCESS_FBINFO(outputs[i]).output) {
1074                                                 conn |= 1 << i;
1075                                         }
1076                                 }
1077                                 if (put_user(conn, (u_int32_t __user *)arg))
1078                                         return -EFAULT;
1079                                 return 0;
1080                         }
1081                 case VIDIOC_QUERYCAP:
1082                         {
1083                                 struct v4l2_capability r;
1084
1085                                 memset(&r, 0, sizeof(r));
1086                                 strcpy(r.driver, "matroxfb");
1087                                 strcpy(r.card, "Matrox");
1088                                 sprintf(r.bus_info, "PCI:%s", pci_name(ACCESS_FBINFO(pcidev)));
1089                                 r.version = KERNEL_VERSION(1,0,0);
1090                                 r.capabilities = V4L2_CAP_VIDEO_OUTPUT;
1091                                 if (copy_to_user(argp, &r, sizeof(r)))
1092                                         return -EFAULT;
1093                                 return 0;
1094
1095                         }
1096                 case VIDIOC_QUERYCTRL:
1097                         {
1098                                 struct v4l2_queryctrl qctrl;
1099                                 int err;
1100
1101                                 if (copy_from_user(&qctrl, argp, sizeof(qctrl)))
1102                                         return -EFAULT;
1103
1104                                 down_read(&ACCESS_FBINFO(altout).lock);
1105                                 if (!ACCESS_FBINFO(outputs[1]).output) {
1106                                         err = -ENXIO;
1107                                 } else if (ACCESS_FBINFO(outputs[1]).output->getqueryctrl) {
1108                                         err = ACCESS_FBINFO(outputs[1]).output->getqueryctrl(ACCESS_FBINFO(outputs[1]).data, &qctrl);
1109                                 } else {
1110                                         err = -EINVAL;
1111                                 }
1112                                 up_read(&ACCESS_FBINFO(altout).lock);
1113                                 if (err >= 0 &&
1114                                     copy_to_user(argp, &qctrl, sizeof(qctrl)))
1115                                         return -EFAULT;
1116                                 return err;
1117                         }
1118                 case VIDIOC_G_CTRL:
1119                         {
1120                                 struct v4l2_control ctrl;
1121                                 int err;
1122
1123                                 if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
1124                                         return -EFAULT;
1125
1126                                 down_read(&ACCESS_FBINFO(altout).lock);
1127                                 if (!ACCESS_FBINFO(outputs[1]).output) {
1128                                         err = -ENXIO;
1129                                 } else if (ACCESS_FBINFO(outputs[1]).output->getctrl) {
1130                                         err = ACCESS_FBINFO(outputs[1]).output->getctrl(ACCESS_FBINFO(outputs[1]).data, &ctrl);
1131                                 } else {
1132                                         err = -EINVAL;
1133                                 }
1134                                 up_read(&ACCESS_FBINFO(altout).lock);
1135                                 if (err >= 0 &&
1136                                     copy_to_user(argp, &ctrl, sizeof(ctrl)))
1137                                         return -EFAULT;
1138                                 return err;
1139                         }
1140                 case VIDIOC_S_CTRL_OLD:
1141                 case VIDIOC_S_CTRL:
1142                         {
1143                                 struct v4l2_control ctrl;
1144                                 int err;
1145
1146                                 if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
1147                                         return -EFAULT;
1148
1149                                 down_read(&ACCESS_FBINFO(altout).lock);
1150                                 if (!ACCESS_FBINFO(outputs[1]).output) {
1151                                         err = -ENXIO;
1152                                 } else if (ACCESS_FBINFO(outputs[1]).output->setctrl) {
1153                                         err = ACCESS_FBINFO(outputs[1]).output->setctrl(ACCESS_FBINFO(outputs[1]).data, &ctrl);
1154                                 } else {
1155                                         err = -EINVAL;
1156                                 }
1157                                 up_read(&ACCESS_FBINFO(altout).lock);
1158                                 return err;
1159                         }
1160         }
1161         return -ENOTTY;
1162 }
1163
1164 /* 0 unblank, 1 blank, 2 no vsync, 3 no hsync, 4 off */
1165
1166 static int matroxfb_blank(int blank, struct fb_info *info)
1167 {
1168         int seq;
1169         int crtc;
1170         CRITFLAGS
1171         MINFO_FROM_INFO(info);
1172
1173         DBG(__FUNCTION__)
1174
1175         if (ACCESS_FBINFO(dead))
1176                 return 1;
1177
1178         switch (blank) {
1179         case FB_BLANK_NORMAL:  seq = 0x20; crtc = 0x00; break; /* works ??? */
1180         case FB_BLANK_VSYNC_SUSPEND:  seq = 0x20; crtc = 0x10; break;
1181         case FB_BLANK_HSYNC_SUSPEND:  seq = 0x20; crtc = 0x20; break;
1182         case FB_BLANK_POWERDOWN:  seq = 0x20; crtc = 0x30; break;
1183         default: seq = 0x00; crtc = 0x00; break;
1184         }
1185
1186         CRITBEGIN
1187
1188         mga_outb(M_SEQ_INDEX, 1);
1189         mga_outb(M_SEQ_DATA, (mga_inb(M_SEQ_DATA) & ~0x20) | seq);
1190         mga_outb(M_EXTVGA_INDEX, 1);
1191         mga_outb(M_EXTVGA_DATA, (mga_inb(M_EXTVGA_DATA) & ~0x30) | crtc);
1192
1193         CRITEND
1194         return 0;
1195 }
1196
1197 static struct fb_ops matroxfb_ops = {
1198         .owner =        THIS_MODULE,
1199         .fb_open =      matroxfb_open,
1200         .fb_release =   matroxfb_release,
1201         .fb_check_var = matroxfb_check_var,
1202         .fb_set_par =   matroxfb_set_par,
1203         .fb_setcolreg = matroxfb_setcolreg,
1204         .fb_pan_display =matroxfb_pan_display,
1205         .fb_blank =     matroxfb_blank,
1206         .fb_ioctl =     matroxfb_ioctl,
1207 /*      .fb_fillrect =  <set by matrox_cfbX_init>, */
1208 /*      .fb_copyarea =  <set by matrox_cfbX_init>, */
1209 /*      .fb_imageblit = <set by matrox_cfbX_init>, */
1210 /*      .fb_cursor =    <set by matrox_cfbX_init>, */
1211 };
1212
1213 #define RSDepth(X)      (((X) >> 8) & 0x0F)
1214 #define RS8bpp          0x1
1215 #define RS15bpp         0x2
1216 #define RS16bpp         0x3
1217 #define RS32bpp         0x4
1218 #define RS4bpp          0x5
1219 #define RS24bpp         0x6
1220 #define RSText          0x7
1221 #define RSText8         0x8
1222 /* 9-F */
1223 static struct { struct fb_bitfield red, green, blue, transp; int bits_per_pixel; } colors[] = {
1224         { {  0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, {  0, 0, 0},  8 },
1225         { { 10, 5, 0}, { 5, 5, 0}, { 0, 5, 0}, { 15, 1, 0}, 16 },
1226         { { 11, 5, 0}, { 5, 6, 0}, { 0, 5, 0}, {  0, 0, 0}, 16 },
1227         { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, { 24, 8, 0}, 32 },
1228         { {  0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, {  0, 0, 0},  4 },
1229         { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, {  0, 0, 0}, 24 },
1230         { {  0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, {  0, 0, 0},  0 },       /* textmode with (default) VGA8x16 */
1231         { {  0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, {  0, 0, 0},  0 },       /* textmode hardwired to VGA8x8 */
1232 };
1233
1234 /* initialized by setup, see explanation at end of file (search for MODULE_PARM_DESC) */
1235 static unsigned int mem;                /* "matrox:mem:xxxxxM" */
1236 static int option_precise_width = 1;    /* cannot be changed, option_precise_width==0 must imply noaccel */
1237 static int inv24;                       /* "matrox:inv24" */
1238 static int cross4MB = -1;               /* "matrox:cross4MB" */
1239 static int disabled;                    /* "matrox:disabled" */
1240 static int noaccel;                     /* "matrox:noaccel" */
1241 static int nopan;                       /* "matrox:nopan" */
1242 static int no_pci_retry;                /* "matrox:nopciretry" */
1243 static int novga;                       /* "matrox:novga" */
1244 static int nobios;                      /* "matrox:nobios" */
1245 static int noinit = 1;                  /* "matrox:init" */
1246 static int inverse;                     /* "matrox:inverse" */
1247 static int sgram;                       /* "matrox:sgram" */
1248 #ifdef CONFIG_MTRR
1249 static int mtrr = 1;                    /* "matrox:nomtrr" */
1250 #endif
1251 static int grayscale;                   /* "matrox:grayscale" */
1252 static int dev = -1;                    /* "matrox:dev:xxxxx" */
1253 static unsigned int vesa = ~0;          /* "matrox:vesa:xxxxx" */
1254 static int depth = -1;                  /* "matrox:depth:xxxxx" */
1255 static unsigned int xres;               /* "matrox:xres:xxxxx" */
1256 static unsigned int yres;               /* "matrox:yres:xxxxx" */
1257 static unsigned int upper = ~0;         /* "matrox:upper:xxxxx" */
1258 static unsigned int lower = ~0;         /* "matrox:lower:xxxxx" */
1259 static unsigned int vslen;              /* "matrox:vslen:xxxxx" */
1260 static unsigned int left = ~0;          /* "matrox:left:xxxxx" */
1261 static unsigned int right = ~0;         /* "matrox:right:xxxxx" */
1262 static unsigned int hslen;              /* "matrox:hslen:xxxxx" */
1263 static unsigned int pixclock;           /* "matrox:pixclock:xxxxx" */
1264 static int sync = -1;                   /* "matrox:sync:xxxxx" */
1265 static unsigned int fv;                 /* "matrox:fv:xxxxx" */
1266 static unsigned int fh;                 /* "matrox:fh:xxxxxk" */
1267 static unsigned int maxclk;             /* "matrox:maxclk:xxxxM" */
1268 static int dfp;                         /* "matrox:dfp */
1269 static int dfp_type = -1;               /* "matrox:dfp:xxx */
1270 static int memtype = -1;                /* "matrox:memtype:xxx" */
1271 static char outputs[8];                 /* "matrox:outputs:xxx" */
1272
1273 #ifndef MODULE
1274 static char videomode[64];              /* "matrox:mode:xxxxx" or "matrox:xxxxx" */
1275 #endif
1276
1277 static int matroxfb_getmemory(WPMINFO unsigned int maxSize, unsigned int *realSize){
1278         vaddr_t vm;
1279         unsigned int offs;
1280         unsigned int offs2;
1281         unsigned char orig;
1282         unsigned char bytes[32];
1283         unsigned char* tmp;
1284
1285         DBG(__FUNCTION__)
1286
1287         vm = ACCESS_FBINFO(video.vbase);
1288         maxSize &= ~0x1FFFFF;   /* must be X*2MB (really it must be 2 or X*4MB) */
1289         /* at least 2MB */
1290         if (maxSize < 0x0200000) return 0;
1291         if (maxSize > 0x2000000) maxSize = 0x2000000;
1292
1293         mga_outb(M_EXTVGA_INDEX, 0x03);
1294         orig = mga_inb(M_EXTVGA_DATA);
1295         mga_outb(M_EXTVGA_DATA, orig | 0x80);
1296
1297         tmp = bytes;
1298         for (offs = 0x100000; offs < maxSize; offs += 0x200000)
1299                 *tmp++ = mga_readb(vm, offs);
1300         for (offs = 0x100000; offs < maxSize; offs += 0x200000)
1301                 mga_writeb(vm, offs, 0x02);
1302         mga_outb(M_CACHEFLUSH, 0x00);
1303         for (offs = 0x100000; offs < maxSize; offs += 0x200000) {
1304                 if (mga_readb(vm, offs) != 0x02)
1305                         break;
1306                 mga_writeb(vm, offs, mga_readb(vm, offs) - 0x02);
1307                 if (mga_readb(vm, offs))
1308                         break;
1309         }
1310         tmp = bytes;
1311         for (offs2 = 0x100000; offs2 < maxSize; offs2 += 0x200000)
1312                 mga_writeb(vm, offs2, *tmp++);
1313
1314         mga_outb(M_EXTVGA_INDEX, 0x03);
1315         mga_outb(M_EXTVGA_DATA, orig);
1316
1317         *realSize = offs - 0x100000;
1318 #ifdef CONFIG_FB_MATROX_MILLENIUM
1319         ACCESS_FBINFO(interleave) = !(!isMillenium(MINFO) || ((offs - 0x100000) & 0x3FFFFF));
1320 #endif
1321         return 1;
1322 }
1323
1324 struct video_board {
1325         int maxvram;
1326         int maxdisplayable;
1327         int accelID;
1328         struct matrox_switch* lowlevel;
1329                  };
1330 #ifdef CONFIG_FB_MATROX_MILLENIUM
1331 static struct video_board vbMillennium          = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGA2064W,      &matrox_millennium};
1332 static struct video_board vbMillennium2         = {0x1000000, 0x0800000, FB_ACCEL_MATROX_MGA2164W,      &matrox_millennium};
1333 static struct video_board vbMillennium2A        = {0x1000000, 0x0800000, FB_ACCEL_MATROX_MGA2164W_AGP,  &matrox_millennium};
1334 #endif  /* CONFIG_FB_MATROX_MILLENIUM */
1335 #ifdef CONFIG_FB_MATROX_MYSTIQUE
1336 static struct video_board vbMystique            = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGA1064SG,     &matrox_mystique};
1337 #endif  /* CONFIG_FB_MATROX_MYSTIQUE */
1338 #ifdef CONFIG_FB_MATROX_G
1339 static struct video_board vbG100                = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGAG100,       &matrox_G100};
1340 static struct video_board vbG200                = {0x1000000, 0x1000000, FB_ACCEL_MATROX_MGAG200,       &matrox_G100};
1341 #ifdef CONFIG_FB_MATROX_32MB
1342 /* from doc it looks like that accelerator can draw only to low 16MB :-( Direct accesses & displaying are OK for
1343    whole 32MB */
1344 static struct video_board vbG400                = {0x2000000, 0x1000000, FB_ACCEL_MATROX_MGAG400,       &matrox_G100};
1345 #else
1346 static struct video_board vbG400                = {0x2000000, 0x1000000, FB_ACCEL_MATROX_MGAG400,       &matrox_G100};
1347 #endif
1348 #endif
1349
1350 #define DEVF_VIDEO64BIT         0x0001
1351 #define DEVF_SWAPS              0x0002
1352 #define DEVF_SRCORG             0x0004
1353 #define DEVF_DUALHEAD           0x0008
1354 #define DEVF_CROSS4MB           0x0010
1355 #define DEVF_TEXT4B             0x0020
1356 /* #define DEVF_recycled        0x0040  */
1357 /* #define DEVF_recycled        0x0080  */
1358 #define DEVF_SUPPORT32MB        0x0100
1359 #define DEVF_ANY_VXRES          0x0200
1360 #define DEVF_TEXT16B            0x0400
1361 #define DEVF_CRTC2              0x0800
1362 #define DEVF_MAVEN_CAPABLE      0x1000
1363 #define DEVF_PANELLINK_CAPABLE  0x2000
1364 #define DEVF_G450DAC            0x4000
1365
1366 #define DEVF_GCORE      (DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB)
1367 #define DEVF_G2CORE     (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_MAVEN_CAPABLE | DEVF_PANELLINK_CAPABLE | DEVF_SRCORG | DEVF_DUALHEAD)
1368 #define DEVF_G100       (DEVF_GCORE) /* no doc, no vxres... */
1369 #define DEVF_G200       (DEVF_G2CORE)
1370 #define DEVF_G400       (DEVF_G2CORE | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2)
1371 /* if you'll find how to drive DFP... */
1372 #define DEVF_G450       (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2 | DEVF_G450DAC | DEVF_SRCORG | DEVF_DUALHEAD)
1373 #define DEVF_G550       (DEVF_G450)
1374
1375 static struct board {
1376         unsigned short vendor, device, rev, svid, sid;
1377         unsigned int flags;
1378         unsigned int maxclk;
1379         enum mga_chip chip;
1380         struct video_board* base;
1381         const char* name;
1382                 } dev_list[] = {
1383 #ifdef CONFIG_FB_MATROX_MILLENIUM
1384         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL,       0xFF,
1385                 0,                      0,
1386                 DEVF_TEXT4B,
1387                 230000,
1388                 MGA_2064,
1389                 &vbMillennium,
1390                 "Millennium (PCI)"},
1391         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2,     0xFF,
1392                 0,                      0,
1393                 DEVF_SWAPS,
1394                 220000,
1395                 MGA_2164,
1396                 &vbMillennium2,
1397                 "Millennium II (PCI)"},
1398         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2_AGP, 0xFF,
1399                 0,                      0,
1400                 DEVF_SWAPS,
1401                 250000,
1402                 MGA_2164,
1403                 &vbMillennium2A,
1404                 "Millennium II (AGP)"},
1405 #endif
1406 #ifdef CONFIG_FB_MATROX_MYSTIQUE
1407         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,       0x02,
1408                 0,                      0,
1409                 DEVF_VIDEO64BIT | DEVF_CROSS4MB,
1410                 180000,
1411                 MGA_1064,
1412                 &vbMystique,
1413                 "Mystique (PCI)"},
1414         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,       0xFF,
1415                 0,                      0,
1416                 DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB,
1417                 220000,
1418                 MGA_1164,
1419                 &vbMystique,
1420                 "Mystique 220 (PCI)"},
1421         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS_AGP,   0x02,
1422                 0,                      0,
1423                 DEVF_VIDEO64BIT | DEVF_CROSS4MB,
1424                 180000,
1425                 MGA_1064,
1426                 &vbMystique,
1427                 "Mystique (AGP)"},
1428         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS_AGP,   0xFF,
1429                 0,                      0,
1430                 DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB,
1431                 220000,
1432                 MGA_1164,
1433                 &vbMystique,
1434                 "Mystique 220 (AGP)"},
1435 #endif
1436 #ifdef CONFIG_FB_MATROX_G
1437         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_MM,   0xFF,
1438                 0,                      0,
1439                 DEVF_G100,
1440                 230000,
1441                 MGA_G100,
1442                 &vbG100,
1443                 "MGA-G100 (PCI)"},
1444         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_AGP,  0xFF,
1445                 0,                      0,
1446                 DEVF_G100,
1447                 230000,
1448                 MGA_G100,
1449                 &vbG100,
1450                 "MGA-G100 (AGP)"},
1451         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_PCI,  0xFF,
1452                 0,                      0,
1453                 DEVF_G200,
1454                 250000,
1455                 MGA_G200,
1456                 &vbG200,
1457                 "MGA-G200 (PCI)"},
1458         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1459                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_GENERIC,
1460                 DEVF_G200,
1461                 220000,
1462                 MGA_G200,
1463                 &vbG200,
1464                 "MGA-G200 (AGP)"},
1465         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1466                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MYSTIQUE_G200_AGP,
1467                 DEVF_G200,
1468                 230000,
1469                 MGA_G200,
1470                 &vbG200,
1471                 "Mystique G200 (AGP)"},
1472         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1473                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MILLENIUM_G200_AGP,
1474                 DEVF_G200,
1475                 250000,
1476                 MGA_G200,
1477                 &vbG200,
1478                 "Millennium G200 (AGP)"},
1479         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1480                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MARVEL_G200_AGP,
1481                 DEVF_G200,
1482                 230000,
1483                 MGA_G200,
1484                 &vbG200,
1485                 "Marvel G200 (AGP)"},
1486         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1487                 PCI_SS_VENDOR_ID_SIEMENS_NIXDORF,       PCI_SS_ID_SIEMENS_MGA_G200_AGP,
1488                 DEVF_G200,
1489                 230000,
1490                 MGA_G200,
1491                 &vbG200,
1492                 "MGA-G200 (AGP)"},
1493         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1494                 0,                      0,
1495                 DEVF_G200,
1496                 230000,
1497                 MGA_G200,
1498                 &vbG200,
1499                 "G200 (AGP)"},
1500         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0x80,
1501                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MILLENNIUM_G400_MAX_AGP,
1502                 DEVF_G400,
1503                 360000,
1504                 MGA_G400,
1505                 &vbG400,
1506                 "Millennium G400 MAX (AGP)"},
1507         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0x80,
1508                 0,                      0,
1509                 DEVF_G400,
1510                 300000,
1511                 MGA_G400,
1512                 &vbG400,
1513                 "G400 (AGP)"},
1514         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0xFF,
1515                 0,                      0,
1516                 DEVF_G450,
1517                 360000,
1518                 MGA_G450,
1519                 &vbG400,
1520                 "G450"},
1521         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G550,      0xFF,
1522                 0,                      0,
1523                 DEVF_G550,
1524                 360000,
1525                 MGA_G550,
1526                 &vbG400,
1527                 "G550"},
1528 #endif
1529         {0,                     0,                              0xFF,
1530                 0,                      0,
1531                 0,
1532                 0,
1533                 0,
1534                 NULL,
1535                 NULL}};
1536
1537 #ifndef MODULE
1538 static struct fb_videomode defaultmode = {
1539         /* 640x480 @ 60Hz, 31.5 kHz */
1540         NULL, 60, 640, 480, 39721, 40, 24, 32, 11, 96, 2,
1541         0, FB_VMODE_NONINTERLACED
1542 };
1543 #endif /* !MODULE */
1544
1545 static int hotplug = 0;
1546
1547 static void setDefaultOutputs(WPMINFO2) {
1548         unsigned int i;
1549         const char* ptr;
1550
1551         ACCESS_FBINFO(outputs[0]).default_src = MATROXFB_SRC_CRTC1;
1552         if (ACCESS_FBINFO(devflags.g450dac)) {
1553                 ACCESS_FBINFO(outputs[1]).default_src = MATROXFB_SRC_CRTC1;
1554                 ACCESS_FBINFO(outputs[2]).default_src = MATROXFB_SRC_CRTC1;
1555         } else if (dfp) {
1556                 ACCESS_FBINFO(outputs[2]).default_src = MATROXFB_SRC_CRTC1;
1557         }
1558         ptr = outputs;
1559         for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1560                 char c = *ptr++;
1561
1562                 if (c == 0) {
1563                         break;
1564                 }
1565                 if (c == '0') {
1566                         ACCESS_FBINFO(outputs[i]).default_src = MATROXFB_SRC_NONE;
1567                 } else if (c == '1') {
1568                         ACCESS_FBINFO(outputs[i]).default_src = MATROXFB_SRC_CRTC1;
1569                 } else if (c == '2' && ACCESS_FBINFO(devflags.crtc2)) {
1570                         ACCESS_FBINFO(outputs[i]).default_src = MATROXFB_SRC_CRTC2;
1571                 } else {
1572                         printk(KERN_ERR "matroxfb: Unknown outputs setting\n");
1573                         break;
1574                 }
1575         }
1576         /* Nullify this option for subsequent adapters */
1577         outputs[0] = 0;
1578 }
1579
1580 static int initMatrox2(WPMINFO struct board* b){
1581         unsigned long ctrlptr_phys = 0;
1582         unsigned long video_base_phys = 0;
1583         unsigned int memsize;
1584         int err;
1585
1586         static struct pci_device_id intel_82437[] = {
1587                 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82437) },
1588                 { },
1589         };
1590
1591         DBG(__FUNCTION__)
1592
1593         /* set default values... */
1594         vesafb_defined.accel_flags = FB_ACCELF_TEXT;
1595
1596         ACCESS_FBINFO(hw_switch) = b->base->lowlevel;
1597         ACCESS_FBINFO(devflags.accelerator) = b->base->accelID;
1598         ACCESS_FBINFO(max_pixel_clock) = b->maxclk;
1599
1600         printk(KERN_INFO "matroxfb: Matrox %s detected\n", b->name);
1601         ACCESS_FBINFO(capable.plnwt) = 1;
1602         ACCESS_FBINFO(chip) = b->chip;
1603         ACCESS_FBINFO(capable.srcorg) = b->flags & DEVF_SRCORG;
1604         ACCESS_FBINFO(devflags.video64bits) = b->flags & DEVF_VIDEO64BIT;
1605         if (b->flags & DEVF_TEXT4B) {
1606                 ACCESS_FBINFO(devflags.vgastep) = 4;
1607                 ACCESS_FBINFO(devflags.textmode) = 4;
1608                 ACCESS_FBINFO(devflags.text_type_aux) = FB_AUX_TEXT_MGA_STEP16;
1609         } else if (b->flags & DEVF_TEXT16B) {
1610                 ACCESS_FBINFO(devflags.vgastep) = 16;
1611                 ACCESS_FBINFO(devflags.textmode) = 1;
1612                 ACCESS_FBINFO(devflags.text_type_aux) = FB_AUX_TEXT_MGA_STEP16;
1613         } else {
1614                 ACCESS_FBINFO(devflags.vgastep) = 8;
1615                 ACCESS_FBINFO(devflags.textmode) = 1;
1616                 ACCESS_FBINFO(devflags.text_type_aux) = FB_AUX_TEXT_MGA_STEP8;
1617         }
1618 #ifdef CONFIG_FB_MATROX_32MB
1619         ACCESS_FBINFO(devflags.support32MB) = (b->flags & DEVF_SUPPORT32MB) != 0;
1620 #endif
1621         ACCESS_FBINFO(devflags.precise_width) = !(b->flags & DEVF_ANY_VXRES);
1622         ACCESS_FBINFO(devflags.crtc2) = (b->flags & DEVF_CRTC2) != 0;
1623         ACCESS_FBINFO(devflags.maven_capable) = (b->flags & DEVF_MAVEN_CAPABLE) != 0;
1624         ACCESS_FBINFO(devflags.dualhead) = (b->flags & DEVF_DUALHEAD) != 0;
1625         ACCESS_FBINFO(devflags.dfp_type) = dfp_type;
1626         ACCESS_FBINFO(devflags.g450dac) = (b->flags & DEVF_G450DAC) != 0;
1627         ACCESS_FBINFO(devflags.textstep) = ACCESS_FBINFO(devflags.vgastep) * ACCESS_FBINFO(devflags.textmode);
1628         ACCESS_FBINFO(devflags.textvram) = 65536 / ACCESS_FBINFO(devflags.textmode);
1629         setDefaultOutputs(PMINFO2);
1630         if (b->flags & DEVF_PANELLINK_CAPABLE) {
1631                 ACCESS_FBINFO(outputs[2]).data = MINFO;
1632                 ACCESS_FBINFO(outputs[2]).output = &panellink_output;
1633                 ACCESS_FBINFO(outputs[2]).src = ACCESS_FBINFO(outputs[2]).default_src;
1634                 ACCESS_FBINFO(outputs[2]).mode = MATROXFB_OUTPUT_MODE_MONITOR;
1635                 ACCESS_FBINFO(devflags.panellink) = 1;
1636         }
1637
1638         if (ACCESS_FBINFO(capable.cross4MB) < 0)
1639                 ACCESS_FBINFO(capable.cross4MB) = b->flags & DEVF_CROSS4MB;
1640         if (b->flags & DEVF_SWAPS) {
1641                 ctrlptr_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 1);
1642                 video_base_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 0);
1643                 ACCESS_FBINFO(devflags.fbResource) = PCI_BASE_ADDRESS_0;
1644         } else {
1645                 ctrlptr_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 0);
1646                 video_base_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 1);
1647                 ACCESS_FBINFO(devflags.fbResource) = PCI_BASE_ADDRESS_1;
1648         }
1649         err = -EINVAL;
1650         if (!ctrlptr_phys) {
1651                 printk(KERN_ERR "matroxfb: control registers are not available, matroxfb disabled\n");
1652                 goto fail;
1653         }
1654         if (!video_base_phys) {
1655                 printk(KERN_ERR "matroxfb: video RAM is not available in PCI address space, matroxfb disabled\n");
1656                 goto fail;
1657         }
1658         memsize = b->base->maxvram;
1659         if (!request_mem_region(ctrlptr_phys, 16384, "matroxfb MMIO")) {
1660                 goto fail;
1661         }
1662         if (!request_mem_region(video_base_phys, memsize, "matroxfb FB")) {
1663                 goto failCtrlMR;
1664         }
1665         ACCESS_FBINFO(video.len_maximum) = memsize;
1666         /* convert mem (autodetect k, M) */
1667         if (mem < 1024) mem *= 1024;
1668         if (mem < 0x00100000) mem *= 1024;
1669
1670         if (mem && (mem < memsize))
1671                 memsize = mem;
1672         err = -ENOMEM;
1673         if (mga_ioremap(ctrlptr_phys, 16384, MGA_IOREMAP_MMIO, &ACCESS_FBINFO(mmio.vbase))) {
1674                 printk(KERN_ERR "matroxfb: cannot ioremap(%lX, 16384), matroxfb disabled\n", ctrlptr_phys);
1675                 goto failVideoMR;
1676         }
1677         ACCESS_FBINFO(mmio.base) = ctrlptr_phys;
1678         ACCESS_FBINFO(mmio.len) = 16384;
1679         ACCESS_FBINFO(video.base) = video_base_phys;
1680         if (mga_ioremap(video_base_phys, memsize, MGA_IOREMAP_FB, &ACCESS_FBINFO(video.vbase))) {
1681                 printk(KERN_ERR "matroxfb: cannot ioremap(%lX, %d), matroxfb disabled\n",
1682                         video_base_phys, memsize);
1683                 goto failCtrlIO;
1684         }
1685         {
1686                 u_int32_t cmd;
1687                 u_int32_t mga_option;
1688
1689                 pci_read_config_dword(ACCESS_FBINFO(pcidev), PCI_OPTION_REG, &mga_option);
1690                 pci_read_config_dword(ACCESS_FBINFO(pcidev), PCI_COMMAND, &cmd);
1691                 mga_option &= 0x7FFFFFFF; /* clear BIG_ENDIAN */
1692                 mga_option |= MX_OPTION_BSWAP;
1693                 /* disable palette snooping */
1694                 cmd &= ~PCI_COMMAND_VGA_PALETTE;
1695                 if (pci_dev_present(intel_82437)) {
1696                         if (!(mga_option & 0x20000000) && !ACCESS_FBINFO(devflags.nopciretry)) {
1697                                 printk(KERN_WARNING "matroxfb: Disabling PCI retries due to i82437 present\n");
1698                         }
1699                         mga_option |= 0x20000000;
1700                         ACCESS_FBINFO(devflags.nopciretry) = 1;
1701                 }
1702                 pci_write_config_dword(ACCESS_FBINFO(pcidev), PCI_COMMAND, cmd);
1703                 pci_write_config_dword(ACCESS_FBINFO(pcidev), PCI_OPTION_REG, mga_option);
1704                 ACCESS_FBINFO(hw).MXoptionReg = mga_option;
1705
1706                 /* select non-DMA memory for PCI_MGA_DATA, otherwise dump of PCI cfg space can lock PCI bus */
1707                 /* maybe preinit() candidate, but it is same... for all devices... at this time... */
1708                 pci_write_config_dword(ACCESS_FBINFO(pcidev), PCI_MGA_INDEX, 0x00003C00);
1709         }
1710
1711         err = -ENXIO;
1712         matroxfb_read_pins(PMINFO2);
1713         if (ACCESS_FBINFO(hw_switch)->preinit(PMINFO2)) {
1714                 goto failVideoIO;
1715         }
1716
1717         err = -ENOMEM;
1718         if (!matroxfb_getmemory(PMINFO memsize, &ACCESS_FBINFO(video.len)) || !ACCESS_FBINFO(video.len)) {
1719                 printk(KERN_ERR "matroxfb: cannot determine memory size\n");
1720                 goto failVideoIO;
1721         }
1722         ACCESS_FBINFO(devflags.ydstorg) = 0;
1723
1724         ACCESS_FBINFO(video.base) = video_base_phys;
1725         ACCESS_FBINFO(video.len_usable) = ACCESS_FBINFO(video.len);
1726         if (ACCESS_FBINFO(video.len_usable) > b->base->maxdisplayable)
1727                 ACCESS_FBINFO(video.len_usable) = b->base->maxdisplayable;
1728 #ifdef CONFIG_MTRR
1729         if (mtrr) {
1730                 ACCESS_FBINFO(mtrr.vram) = mtrr_add(video_base_phys, ACCESS_FBINFO(video.len), MTRR_TYPE_WRCOMB, 1);
1731                 ACCESS_FBINFO(mtrr.vram_valid) = 1;
1732                 printk(KERN_INFO "matroxfb: MTRR's turned on\n");
1733         }
1734 #endif  /* CONFIG_MTRR */
1735
1736         if (!ACCESS_FBINFO(devflags.novga))
1737                 request_region(0x3C0, 32, "matrox");
1738         matroxfb_g450_connect(PMINFO2);
1739         ACCESS_FBINFO(hw_switch->reset(PMINFO2));
1740
1741         ACCESS_FBINFO(fbcon.monspecs.hfmin) = 0;
1742         ACCESS_FBINFO(fbcon.monspecs.hfmax) = fh;
1743         ACCESS_FBINFO(fbcon.monspecs.vfmin) = 0;
1744         ACCESS_FBINFO(fbcon.monspecs.vfmax) = fv;
1745         ACCESS_FBINFO(fbcon.monspecs.dpms) = 0; /* TBD */
1746
1747         /* static settings */
1748         vesafb_defined.red = colors[depth-1].red;
1749         vesafb_defined.green = colors[depth-1].green;
1750         vesafb_defined.blue = colors[depth-1].blue;
1751         vesafb_defined.bits_per_pixel = colors[depth-1].bits_per_pixel;
1752         vesafb_defined.grayscale = grayscale;
1753         vesafb_defined.vmode = 0;
1754         if (noaccel)
1755                 vesafb_defined.accel_flags &= ~FB_ACCELF_TEXT;
1756
1757         ACCESS_FBINFO(fbops) = matroxfb_ops;
1758         ACCESS_FBINFO(fbcon.fbops) = &ACCESS_FBINFO(fbops);
1759         ACCESS_FBINFO(fbcon.pseudo_palette) = ACCESS_FBINFO(cmap);
1760         /* after __init time we are like module... no logo */
1761         ACCESS_FBINFO(fbcon.flags) = hotplug ? FBINFO_FLAG_MODULE : FBINFO_FLAG_DEFAULT;
1762         ACCESS_FBINFO(fbcon.flags) |= FBINFO_PARTIAL_PAN_OK |    /* Prefer panning for scroll under MC viewer/edit */
1763                                       FBINFO_HWACCEL_COPYAREA |  /* We have hw-assisted bmove */
1764                                       FBINFO_HWACCEL_FILLRECT |  /* And fillrect */
1765                                       FBINFO_HWACCEL_IMAGEBLIT | /* And imageblit */
1766                                       FBINFO_HWACCEL_XPAN |      /* And we support both horizontal */
1767                                       FBINFO_HWACCEL_YPAN;       /* And vertical panning */
1768         ACCESS_FBINFO(video.len_usable) &= PAGE_MASK;
1769         fb_alloc_cmap(&ACCESS_FBINFO(fbcon.cmap), 256, 1);
1770
1771 #ifndef MODULE
1772         /* mode database is marked __init!!! */
1773         if (!hotplug) {
1774                 fb_find_mode(&vesafb_defined, &ACCESS_FBINFO(fbcon), videomode[0]?videomode:NULL,
1775                         NULL, 0, &defaultmode, vesafb_defined.bits_per_pixel);
1776         }
1777 #endif /* !MODULE */
1778
1779         /* mode modifiers */
1780         if (hslen)
1781                 vesafb_defined.hsync_len = hslen;
1782         if (vslen)
1783                 vesafb_defined.vsync_len = vslen;
1784         if (left != ~0)
1785                 vesafb_defined.left_margin = left;
1786         if (right != ~0)
1787                 vesafb_defined.right_margin = right;
1788         if (upper != ~0)
1789                 vesafb_defined.upper_margin = upper;
1790         if (lower != ~0)
1791                 vesafb_defined.lower_margin = lower;
1792         if (xres)
1793                 vesafb_defined.xres = xres;
1794         if (yres)
1795                 vesafb_defined.yres = yres;
1796         if (sync != -1)
1797                 vesafb_defined.sync = sync;
1798         else if (vesafb_defined.sync == ~0) {
1799                 vesafb_defined.sync = 0;
1800                 if (yres < 400)
1801                         vesafb_defined.sync |= FB_SYNC_HOR_HIGH_ACT;
1802                 else if (yres < 480)
1803                         vesafb_defined.sync |= FB_SYNC_VERT_HIGH_ACT;
1804         }
1805
1806         /* fv, fh, maxclk limits was specified */
1807         {
1808                 unsigned int tmp;
1809
1810                 if (fv) {
1811                         tmp = fv * (vesafb_defined.upper_margin + vesafb_defined.yres
1812                                   + vesafb_defined.lower_margin + vesafb_defined.vsync_len);
1813                         if ((tmp < fh) || (fh == 0)) fh = tmp;
1814                 }
1815                 if (fh) {
1816                         tmp = fh * (vesafb_defined.left_margin + vesafb_defined.xres
1817                                   + vesafb_defined.right_margin + vesafb_defined.hsync_len);
1818                         if ((tmp < maxclk) || (maxclk == 0)) maxclk = tmp;
1819                 }
1820                 tmp = (maxclk + 499) / 500;
1821                 if (tmp) {
1822                         tmp = (2000000000 + tmp) / tmp;
1823                         if (tmp > pixclock) pixclock = tmp;
1824                 }
1825         }
1826         if (pixclock) {
1827                 if (pixclock < 2000)            /* > 500MHz */
1828                         pixclock = 4000;        /* 250MHz */
1829                 if (pixclock > 1000000)
1830                         pixclock = 1000000;     /* 1MHz */
1831                 vesafb_defined.pixclock = pixclock;
1832         }
1833
1834         /* FIXME: Where to move this?! */
1835 #if defined(CONFIG_PPC_PMAC)
1836 #ifndef MODULE
1837         if (machine_is(powermac)) {
1838                 struct fb_var_screeninfo var;
1839                 if (default_vmode <= 0 || default_vmode > VMODE_MAX)
1840                         default_vmode = VMODE_640_480_60;
1841 #ifdef CONFIG_NVRAM
1842                 if (default_cmode == CMODE_NVRAM)
1843                         default_cmode = nvram_read_byte(NV_CMODE);
1844 #endif
1845                 if (default_cmode < CMODE_8 || default_cmode > CMODE_32)
1846                         default_cmode = CMODE_8;
1847                 if (!mac_vmode_to_var(default_vmode, default_cmode, &var)) {
1848                         var.accel_flags = vesafb_defined.accel_flags;
1849                         var.xoffset = var.yoffset = 0;
1850                         /* Note: mac_vmode_to_var() does not set all parameters */
1851                         vesafb_defined = var;
1852                 }
1853         }
1854 #endif /* !MODULE */
1855 #endif /* CONFIG_PPC_PMAC */
1856         vesafb_defined.xres_virtual = vesafb_defined.xres;
1857         if (nopan) {
1858                 vesafb_defined.yres_virtual = vesafb_defined.yres;
1859         } else {
1860                 vesafb_defined.yres_virtual = 65536; /* large enough to be INF, but small enough
1861                                                         to yres_virtual * xres_virtual < 2^32 */
1862         }
1863         matroxfb_init_fix(PMINFO2);
1864         ACCESS_FBINFO(fbcon.screen_base) = vaddr_va(ACCESS_FBINFO(video.vbase));
1865         matroxfb_update_fix(PMINFO2);
1866         /* Normalize values (namely yres_virtual) */
1867         matroxfb_check_var(&vesafb_defined, &ACCESS_FBINFO(fbcon));
1868         /* And put it into "current" var. Do NOT program hardware yet, or we'll not take over
1869          * vgacon correctly. fbcon_startup will call fb_set_par for us, WITHOUT check_var,
1870          * and unfortunately it will do it BEFORE vgacon contents is saved, so it won't work
1871          * anyway. But we at least tried... */
1872         ACCESS_FBINFO(fbcon.var) = vesafb_defined;
1873         err = -EINVAL;
1874
1875         printk(KERN_INFO "matroxfb: %dx%dx%dbpp (virtual: %dx%d)\n",
1876                 vesafb_defined.xres, vesafb_defined.yres, vesafb_defined.bits_per_pixel,
1877                 vesafb_defined.xres_virtual, vesafb_defined.yres_virtual);
1878         printk(KERN_INFO "matroxfb: framebuffer at 0x%lX, mapped to 0x%p, size %d\n",
1879                 ACCESS_FBINFO(video.base), vaddr_va(ACCESS_FBINFO(video.vbase)), ACCESS_FBINFO(video.len));
1880
1881 /* We do not have to set currcon to 0... register_framebuffer do it for us on first console
1882  * and we do not want currcon == 0 for subsequent framebuffers */
1883
1884         ACCESS_FBINFO(fbcon).device = &ACCESS_FBINFO(pcidev)->dev;
1885         if (register_framebuffer(&ACCESS_FBINFO(fbcon)) < 0) {
1886                 goto failVideoIO;
1887         }
1888         printk("fb%d: %s frame buffer device\n",
1889                ACCESS_FBINFO(fbcon.node), ACCESS_FBINFO(fbcon.fix.id));
1890
1891         /* there is no console on this fb... but we have to initialize hardware
1892          * until someone tells me what is proper thing to do */
1893         if (!ACCESS_FBINFO(initialized)) {
1894                 printk(KERN_INFO "fb%d: initializing hardware\n",
1895                        ACCESS_FBINFO(fbcon.node));
1896                 /* We have to use FB_ACTIVATE_FORCE, as we had to put vesafb_defined to the fbcon.var
1897                  * already before, so register_framebuffer works correctly. */
1898                 vesafb_defined.activate |= FB_ACTIVATE_FORCE;
1899                 fb_set_var(&ACCESS_FBINFO(fbcon), &vesafb_defined);
1900         }
1901
1902         return 0;
1903 failVideoIO:;
1904         matroxfb_g450_shutdown(PMINFO2);
1905         mga_iounmap(ACCESS_FBINFO(video.vbase));
1906 failCtrlIO:;
1907         mga_iounmap(ACCESS_FBINFO(mmio.vbase));
1908 failVideoMR:;
1909         release_mem_region(video_base_phys, ACCESS_FBINFO(video.len_maximum));
1910 failCtrlMR:;
1911         release_mem_region(ctrlptr_phys, 16384);
1912 fail:;
1913         return err;
1914 }
1915
1916 static LIST_HEAD(matroxfb_list);
1917 static LIST_HEAD(matroxfb_driver_list);
1918
1919 #define matroxfb_l(x) list_entry(x, struct matrox_fb_info, next_fb)
1920 #define matroxfb_driver_l(x) list_entry(x, struct matroxfb_driver, node)
1921 int matroxfb_register_driver(struct matroxfb_driver* drv) {
1922         struct matrox_fb_info* minfo;
1923
1924         list_add(&drv->node, &matroxfb_driver_list);
1925         for (minfo = matroxfb_l(matroxfb_list.next);
1926              minfo != matroxfb_l(&matroxfb_list);
1927              minfo = matroxfb_l(minfo->next_fb.next)) {
1928                 void* p;
1929
1930                 if (minfo->drivers_count == MATROXFB_MAX_FB_DRIVERS)
1931                         continue;
1932                 p = drv->probe(minfo);
1933                 if (p) {
1934                         minfo->drivers_data[minfo->drivers_count] = p;
1935                         minfo->drivers[minfo->drivers_count++] = drv;
1936                 }
1937         }
1938         return 0;
1939 }
1940
1941 void matroxfb_unregister_driver(struct matroxfb_driver* drv) {
1942         struct matrox_fb_info* minfo;
1943
1944         list_del(&drv->node);
1945         for (minfo = matroxfb_l(matroxfb_list.next);
1946              minfo != matroxfb_l(&matroxfb_list);
1947              minfo = matroxfb_l(minfo->next_fb.next)) {
1948                 int i;
1949
1950                 for (i = 0; i < minfo->drivers_count; ) {
1951                         if (minfo->drivers[i] == drv) {
1952                                 if (drv && drv->remove)
1953                                         drv->remove(minfo, minfo->drivers_data[i]);
1954                                 minfo->drivers[i] = minfo->drivers[--minfo->drivers_count];
1955                                 minfo->drivers_data[i] = minfo->drivers_data[minfo->drivers_count];
1956                         } else
1957                                 i++;
1958                 }
1959         }
1960 }
1961
1962 static void matroxfb_register_device(struct matrox_fb_info* minfo) {
1963         struct matroxfb_driver* drv;
1964         int i = 0;
1965         list_add(&ACCESS_FBINFO(next_fb), &matroxfb_list);
1966         for (drv = matroxfb_driver_l(matroxfb_driver_list.next);
1967              drv != matroxfb_driver_l(&matroxfb_driver_list);
1968              drv = matroxfb_driver_l(drv->node.next)) {
1969                 if (drv && drv->probe) {
1970                         void *p = drv->probe(minfo);
1971                         if (p) {
1972                                 minfo->drivers_data[i] = p;
1973                                 minfo->drivers[i++] = drv;
1974                                 if (i == MATROXFB_MAX_FB_DRIVERS)
1975                                         break;
1976                         }
1977                 }
1978         }
1979         minfo->drivers_count = i;
1980 }
1981
1982 static void matroxfb_unregister_device(struct matrox_fb_info* minfo) {
1983         int i;
1984
1985         list_del(&ACCESS_FBINFO(next_fb));
1986         for (i = 0; i < minfo->drivers_count; i++) {
1987                 struct matroxfb_driver* drv = minfo->drivers[i];
1988
1989                 if (drv && drv->remove)
1990                         drv->remove(minfo, minfo->drivers_data[i]);
1991         }
1992 }
1993
1994 static int matroxfb_probe(struct pci_dev* pdev, const struct pci_device_id* dummy) {
1995         struct board* b;
1996         u_int8_t rev;
1997         u_int16_t svid;
1998         u_int16_t sid;
1999         struct matrox_fb_info* minfo;
2000         int err;
2001         u_int32_t cmd;
2002 #ifndef CONFIG_FB_MATROX_MULTIHEAD
2003         static int registered = 0;
2004 #endif
2005         DBG(__FUNCTION__)
2006
2007         pci_read_config_byte(pdev, PCI_REVISION_ID, &rev);
2008         svid = pdev->subsystem_vendor;
2009         sid = pdev->subsystem_device;
2010         for (b = dev_list; b->vendor; b++) {
2011                 if ((b->vendor != pdev->vendor) || (b->device != pdev->device) || (b->rev < rev)) continue;
2012                 if (b->svid)
2013                         if ((b->svid != svid) || (b->sid != sid)) continue;
2014                 break;
2015         }
2016         /* not match... */
2017         if (!b->vendor)
2018                 return -ENODEV;
2019         if (dev > 0) {
2020                 /* not requested one... */
2021                 dev--;
2022                 return -ENODEV;
2023         }
2024         pci_read_config_dword(pdev, PCI_COMMAND, &cmd);
2025         if (pci_enable_device(pdev)) {
2026                 return -1;
2027         }
2028
2029 #ifdef CONFIG_FB_MATROX_MULTIHEAD
2030         minfo = (struct matrox_fb_info*)kmalloc(sizeof(*minfo), GFP_KERNEL);
2031         if (!minfo)
2032                 return -1;
2033 #else
2034         if (registered) /* singlehead driver... */
2035                 return -1;
2036         minfo = &matroxfb_global_mxinfo;
2037 #endif
2038         memset(MINFO, 0, sizeof(*MINFO));
2039
2040         ACCESS_FBINFO(pcidev) = pdev;
2041         ACCESS_FBINFO(dead) = 0;
2042         ACCESS_FBINFO(usecount) = 0;
2043         ACCESS_FBINFO(userusecount) = 0;
2044
2045         pci_set_drvdata(pdev, MINFO);
2046         /* DEVFLAGS */
2047         ACCESS_FBINFO(devflags.memtype) = memtype;
2048         if (memtype != -1)
2049                 noinit = 0;
2050         if (cmd & PCI_COMMAND_MEMORY) {
2051                 ACCESS_FBINFO(devflags.novga) = novga;
2052                 ACCESS_FBINFO(devflags.nobios) = nobios;
2053                 ACCESS_FBINFO(devflags.noinit) = noinit;
2054                 /* subsequent heads always needs initialization and must not enable BIOS */
2055                 novga = 1;
2056                 nobios = 1;
2057                 noinit = 0;
2058         } else {
2059                 ACCESS_FBINFO(devflags.novga) = 1;
2060                 ACCESS_FBINFO(devflags.nobios) = 1;
2061                 ACCESS_FBINFO(devflags.noinit) = 0;
2062         }
2063
2064         ACCESS_FBINFO(devflags.nopciretry) = no_pci_retry;
2065         ACCESS_FBINFO(devflags.mga_24bpp_fix) = inv24;
2066         ACCESS_FBINFO(devflags.precise_width) = option_precise_width;
2067         ACCESS_FBINFO(devflags.sgram) = sgram;
2068         ACCESS_FBINFO(capable.cross4MB) = cross4MB;
2069
2070         spin_lock_init(&ACCESS_FBINFO(lock.DAC));
2071         spin_lock_init(&ACCESS_FBINFO(lock.accel));
2072         init_rwsem(&ACCESS_FBINFO(crtc2.lock));
2073         init_rwsem(&ACCESS_FBINFO(altout.lock));
2074         ACCESS_FBINFO(irq_flags) = 0;
2075         init_waitqueue_head(&ACCESS_FBINFO(crtc1.vsync.wait));
2076         init_waitqueue_head(&ACCESS_FBINFO(crtc2.vsync.wait));
2077         ACCESS_FBINFO(crtc1.panpos) = -1;
2078
2079         err = initMatrox2(PMINFO b);
2080         if (!err) {
2081 #ifndef CONFIG_FB_MATROX_MULTIHEAD
2082                 registered = 1;
2083 #endif
2084                 matroxfb_register_device(MINFO);
2085                 return 0;
2086         }
2087 #ifdef CONFIG_FB_MATROX_MULTIHEAD
2088         kfree(minfo);
2089 #endif
2090         return -1;
2091 }
2092
2093 static void pci_remove_matrox(struct pci_dev* pdev) {
2094         struct matrox_fb_info* minfo;
2095
2096         minfo = pci_get_drvdata(pdev);
2097         matroxfb_remove(PMINFO 1);
2098 }
2099
2100 static struct pci_device_id matroxfb_devices[] = {
2101 #ifdef CONFIG_FB_MATROX_MILLENIUM
2102         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL,
2103                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2104         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2,
2105                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2106         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2_AGP,
2107                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2108 #endif
2109 #ifdef CONFIG_FB_MATROX_MYSTIQUE
2110         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,
2111                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2112 #endif
2113 #ifdef CONFIG_FB_MATROX_G
2114         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_MM,
2115                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2116         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_AGP,
2117                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2118         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_PCI,
2119                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2120         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,
2121                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2122         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,
2123                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2124         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G550,
2125                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2126 #endif
2127         {0,                     0,
2128                 0,              0,              0, 0, 0}
2129 };
2130
2131 MODULE_DEVICE_TABLE(pci, matroxfb_devices);
2132
2133
2134 static struct pci_driver matroxfb_driver = {
2135         .name =         "matroxfb",
2136         .id_table =     matroxfb_devices,
2137         .probe =        matroxfb_probe,
2138         .remove =       pci_remove_matrox,
2139 };
2140
2141 /* **************************** init-time only **************************** */
2142
2143 #define RSResolution(X) ((X) & 0x0F)
2144 #define RS640x400       1
2145 #define RS640x480       2
2146 #define RS800x600       3
2147 #define RS1024x768      4
2148 #define RS1280x1024     5
2149 #define RS1600x1200     6
2150 #define RS768x576       7
2151 #define RS960x720       8
2152 #define RS1152x864      9
2153 #define RS1408x1056     10
2154 #define RS640x350       11
2155 #define RS1056x344      12      /* 132 x 43 text */
2156 #define RS1056x400      13      /* 132 x 50 text */
2157 #define RS1056x480      14      /* 132 x 60 text */
2158 #define RSNoxNo         15
2159 /* 10-FF */
2160 static struct { int xres, yres, left, right, upper, lower, hslen, vslen, vfreq; } timmings[] __initdata = {
2161         {  640,  400,  48, 16, 39,  8,  96, 2, 70 },
2162         {  640,  480,  48, 16, 33, 10,  96, 2, 60 },
2163         {  800,  600, 144, 24, 28,  8, 112, 6, 60 },
2164         { 1024,  768, 160, 32, 30,  4, 128, 4, 60 },
2165         { 1280, 1024, 224, 32, 32,  4, 136, 4, 60 },
2166         { 1600, 1200, 272, 48, 32,  5, 152, 5, 60 },
2167         {  768,  576, 144, 16, 28,  6, 112, 4, 60 },
2168         {  960,  720, 144, 24, 28,  8, 112, 4, 60 },
2169         { 1152,  864, 192, 32, 30,  4, 128, 4, 60 },
2170         { 1408, 1056, 256, 40, 32,  5, 144, 5, 60 },
2171         {  640,  350,  48, 16, 39,  8,  96, 2, 70 },
2172         { 1056,  344,  96, 24, 59, 44, 160, 2, 70 },
2173         { 1056,  400,  96, 24, 39,  8, 160, 2, 70 },
2174         { 1056,  480,  96, 24, 36, 12, 160, 3, 60 },
2175         {    0,    0,  ~0, ~0, ~0, ~0,   0, 0,  0 }
2176 };
2177
2178 #define RSCreate(X,Y)   ((X) | ((Y) << 8))
2179 static struct { unsigned int vesa; unsigned int info; } *RSptr, vesamap[] __initdata = {
2180 /* default must be first */
2181         {    ~0, RSCreate(RSNoxNo,     RS8bpp ) },
2182         { 0x101, RSCreate(RS640x480,   RS8bpp ) },
2183         { 0x100, RSCreate(RS640x400,   RS8bpp ) },
2184         { 0x180, RSCreate(RS768x576,   RS8bpp ) },
2185         { 0x103, RSCreate(RS800x600,   RS8bpp ) },
2186         { 0x188, RSCreate(RS960x720,   RS8bpp ) },
2187         { 0x105, RSCreate(RS1024x768,  RS8bpp ) },
2188         { 0x190, RSCreate(RS1152x864,  RS8bpp ) },
2189         { 0x107, RSCreate(RS1280x1024, RS8bpp ) },
2190         { 0x198, RSCreate(RS1408x1056, RS8bpp ) },
2191         { 0x11C, RSCreate(RS1600x1200, RS8bpp ) },
2192         { 0x110, RSCreate(RS640x480,   RS15bpp) },
2193         { 0x181, RSCreate(RS768x576,   RS15bpp) },
2194         { 0x113, RSCreate(RS800x600,   RS15bpp) },
2195         { 0x189, RSCreate(RS960x720,   RS15bpp) },
2196         { 0x116, RSCreate(RS1024x768,  RS15bpp) },
2197         { 0x191, RSCreate(RS1152x864,  RS15bpp) },
2198         { 0x119, RSCreate(RS1280x1024, RS15bpp) },
2199         { 0x199, RSCreate(RS1408x1056, RS15bpp) },
2200         { 0x11D, RSCreate(RS1600x1200, RS15bpp) },
2201         { 0x111, RSCreate(RS640x480,   RS16bpp) },
2202         { 0x182, RSCreate(RS768x576,   RS16bpp) },
2203         { 0x114, RSCreate(RS800x600,   RS16bpp) },
2204         { 0x18A, RSCreate(RS960x720,   RS16bpp) },
2205         { 0x117, RSCreate(RS1024x768,  RS16bpp) },
2206         { 0x192, RSCreate(RS1152x864,  RS16bpp) },
2207         { 0x11A, RSCreate(RS1280x1024, RS16bpp) },
2208         { 0x19A, RSCreate(RS1408x1056, RS16bpp) },
2209         { 0x11E, RSCreate(RS1600x1200, RS16bpp) },
2210         { 0x1B2, RSCreate(RS640x480,   RS24bpp) },
2211         { 0x184, RSCreate(RS768x576,   RS24bpp) },
2212         { 0x1B5, RSCreate(RS800x600,   RS24bpp) },
2213         { 0x18C, RSCreate(RS960x720,   RS24bpp) },
2214         { 0x1B8, RSCreate(RS1024x768,  RS24bpp) },
2215         { 0x194, RSCreate(RS1152x864,  RS24bpp) },
2216         { 0x1BB, RSCreate(RS1280x1024, RS24bpp) },
2217         { 0x19C, RSCreate(RS1408x1056, RS24bpp) },
2218         { 0x1BF, RSCreate(RS1600x1200, RS24bpp) },
2219         { 0x112, RSCreate(RS640x480,   RS32bpp) },
2220         { 0x183, RSCreate(RS768x576,   RS32bpp) },
2221         { 0x115, RSCreate(RS800x600,   RS32bpp) },
2222         { 0x18B, RSCreate(RS960x720,   RS32bpp) },
2223         { 0x118, RSCreate(RS1024x768,  RS32bpp) },
2224         { 0x193, RSCreate(RS1152x864,  RS32bpp) },
2225         { 0x11B, RSCreate(RS1280x1024, RS32bpp) },
2226         { 0x19B, RSCreate(RS1408x1056, RS32bpp) },
2227         { 0x11F, RSCreate(RS1600x1200, RS32bpp) },
2228         { 0x010, RSCreate(RS640x350,   RS4bpp ) },
2229         { 0x012, RSCreate(RS640x480,   RS4bpp ) },
2230         { 0x102, RSCreate(RS800x600,   RS4bpp ) },
2231         { 0x104, RSCreate(RS1024x768,  RS4bpp ) },
2232         { 0x106, RSCreate(RS1280x1024, RS4bpp ) },
2233         {     0, 0                              }};
2234
2235 static void __init matroxfb_init_params(void) {
2236         /* fh from kHz to Hz */
2237         if (fh < 1000)
2238                 fh *= 1000;     /* 1kHz minimum */
2239         /* maxclk */
2240         if (maxclk < 1000) maxclk *= 1000;      /* kHz -> Hz, MHz -> kHz */
2241         if (maxclk < 1000000) maxclk *= 1000;   /* kHz -> Hz, 1MHz minimum */
2242         /* fix VESA number */
2243         if (vesa != ~0)
2244                 vesa &= 0x1DFF;         /* mask out clearscreen, acceleration and so on */
2245
2246         /* static settings */
2247         for (RSptr = vesamap; RSptr->vesa; RSptr++) {
2248                 if (RSptr->vesa == vesa) break;
2249         }
2250         if (!RSptr->vesa) {
2251                 printk(KERN_ERR "Invalid vesa mode 0x%04X\n", vesa);
2252                 RSptr = vesamap;
2253         }
2254         {
2255                 int res = RSResolution(RSptr->info)-1;
2256                 if (left == ~0)
2257                         left = timmings[res].left;
2258                 if (!xres)
2259                         xres = timmings[res].xres;
2260                 if (right == ~0)
2261                         right = timmings[res].right;
2262                 if (!hslen)
2263                         hslen = timmings[res].hslen;
2264                 if (upper == ~0)
2265                         upper = timmings[res].upper;
2266                 if (!yres)
2267                         yres = timmings[res].yres;
2268                 if (lower == ~0)
2269                         lower = timmings[res].lower;
2270                 if (!vslen)
2271                         vslen = timmings[res].vslen;
2272                 if (!(fv||fh||maxclk||pixclock))
2273                         fv = timmings[res].vfreq;
2274                 if (depth == -1)
2275                         depth = RSDepth(RSptr->info);
2276         }
2277 }
2278
2279 static void __init matrox_init(void) {
2280         matroxfb_init_params();
2281         pci_register_driver(&matroxfb_driver);
2282         dev = -1;       /* accept all new devices... */
2283 }
2284
2285 /* **************************** exit-time only **************************** */
2286
2287 static void __exit matrox_done(void) {
2288         pci_unregister_driver(&matroxfb_driver);
2289 }
2290
2291 #ifndef MODULE
2292
2293 /* ************************* init in-kernel code ************************** */
2294
2295 static int __init matroxfb_setup(char *options) {
2296         char *this_opt;
2297
2298         DBG(__FUNCTION__)
2299
2300         if (!options || !*options)
2301                 return 0;
2302
2303         while ((this_opt = strsep(&options, ",")) != NULL) {
2304                 if (!*this_opt) continue;
2305
2306                 dprintk("matroxfb_setup: option %s\n", this_opt);
2307
2308                 if (!strncmp(this_opt, "dev:", 4))
2309                         dev = simple_strtoul(this_opt+4, NULL, 0);
2310                 else if (!strncmp(this_opt, "depth:", 6)) {
2311                         switch (simple_strtoul(this_opt+6, NULL, 0)) {
2312                                 case 0: depth = RSText; break;
2313                                 case 4: depth = RS4bpp; break;
2314                                 case 8: depth = RS8bpp; break;
2315                                 case 15:depth = RS15bpp; break;
2316                                 case 16:depth = RS16bpp; break;
2317                                 case 24:depth = RS24bpp; break;
2318                                 case 32:depth = RS32bpp; break;
2319                                 default:
2320                                         printk(KERN_ERR "matroxfb: unsupported color depth\n");
2321                         }
2322                 } else if (!strncmp(this_opt, "xres:", 5))
2323                         xres = simple_strtoul(this_opt+5, NULL, 0);
2324                 else if (!strncmp(this_opt, "yres:", 5))
2325                         yres = simple_strtoul(this_opt+5, NULL, 0);
2326                 else if (!strncmp(this_opt, "vslen:", 6))
2327                         vslen = simple_strtoul(this_opt+6, NULL, 0);
2328                 else if (!strncmp(this_opt, "hslen:", 6))
2329                         hslen = simple_strtoul(this_opt+6, NULL, 0);
2330                 else if (!strncmp(this_opt, "left:", 5))
2331                         left = simple_strtoul(this_opt+5, NULL, 0);
2332                 else if (!strncmp(this_opt, "right:", 6))
2333                         right = simple_strtoul(this_opt+6, NULL, 0);
2334                 else if (!strncmp(this_opt, "upper:", 6))
2335                         upper = simple_strtoul(this_opt+6, NULL, 0);
2336                 else if (!strncmp(this_opt, "lower:", 6))
2337                         lower = simple_strtoul(this_opt+6, NULL, 0);
2338                 else if (!strncmp(this_opt, "pixclock:", 9))
2339                         pixclock = simple_strtoul(this_opt+9, NULL, 0);
2340                 else if (!strncmp(this_opt, "sync:", 5))
2341                         sync = simple_strtoul(this_opt+5, NULL, 0);
2342                 else if (!strncmp(this_opt, "vesa:", 5))
2343                         vesa = simple_strtoul(this_opt+5, NULL, 0);
2344                 else if (!strncmp(this_opt, "maxclk:", 7))
2345                         maxclk = simple_strtoul(this_opt+7, NULL, 0);
2346                 else if (!strncmp(this_opt, "fh:", 3))
2347                         fh = simple_strtoul(this_opt+3, NULL, 0);
2348                 else if (!strncmp(this_opt, "fv:", 3))
2349                         fv = simple_strtoul(this_opt+3, NULL, 0);
2350                 else if (!strncmp(this_opt, "mem:", 4))
2351                         mem = simple_strtoul(this_opt+4, NULL, 0);
2352                 else if (!strncmp(this_opt, "mode:", 5))
2353                         strlcpy(videomode, this_opt+5, sizeof(videomode));
2354                 else if (!strncmp(this_opt, "outputs:", 8))
2355                         strlcpy(outputs, this_opt+8, sizeof(outputs));
2356                 else if (!strncmp(this_opt, "dfp:", 4)) {
2357                         dfp_type = simple_strtoul(this_opt+4, NULL, 0);
2358                         dfp = 1;
2359                 }
2360 #ifdef CONFIG_PPC_PMAC
2361                 else if (!strncmp(this_opt, "vmode:", 6)) {
2362                         unsigned int vmode = simple_strtoul(this_opt+6, NULL, 0);
2363                         if (vmode > 0 && vmode <= VMODE_MAX)
2364                                 default_vmode = vmode;
2365                 } else if (!strncmp(this_opt, "cmode:", 6)) {
2366                         unsigned int cmode = simple_strtoul(this_opt+6, NULL, 0);
2367                         switch (cmode) {
2368                                 case 0:
2369                                 case 8:
2370                                         default_cmode = CMODE_8;
2371                                         break;
2372                                 case 15:
2373                                 case 16:
2374                                         default_cmode = CMODE_16;
2375                                         break;
2376                                 case 24:
2377                                 case 32:
2378                                         default_cmode = CMODE_32;
2379                                         break;
2380                         }
2381                 }
2382 #endif
2383                 else if (!strcmp(this_opt, "disabled")) /* nodisabled does not exist */
2384                         disabled = 1;
2385                 else if (!strcmp(this_opt, "enabled"))  /* noenabled does not exist */
2386                         disabled = 0;
2387                 else if (!strcmp(this_opt, "sgram"))    /* nosgram == sdram */
2388                         sgram = 1;
2389                 else if (!strcmp(this_opt, "sdram"))
2390                         sgram = 0;
2391                 else if (!strncmp(this_opt, "memtype:", 8))
2392                         memtype = simple_strtoul(this_opt+8, NULL, 0);
2393                 else {
2394                         int value = 1;
2395
2396                         if (!strncmp(this_opt, "no", 2)) {
2397                                 value = 0;
2398                                 this_opt += 2;
2399                         }
2400                         if (! strcmp(this_opt, "inverse"))
2401                                 inverse = value;
2402                         else if (!strcmp(this_opt, "accel"))
2403                                 noaccel = !value;
2404                         else if (!strcmp(this_opt, "pan"))
2405                                 nopan = !value;
2406                         else if (!strcmp(this_opt, "pciretry"))
2407                                 no_pci_retry = !value;
2408                         else if (!strcmp(this_opt, "vga"))
2409                                 novga = !value;
2410                         else if (!strcmp(this_opt, "bios"))
2411                                 nobios = !value;
2412                         else if (!strcmp(this_opt, "init"))
2413                                 noinit = !value;
2414 #ifdef CONFIG_MTRR
2415                         else if (!strcmp(this_opt, "mtrr"))
2416                                 mtrr = value;
2417 #endif
2418                         else if (!strcmp(this_opt, "inv24"))
2419                                 inv24 = value;
2420                         else if (!strcmp(this_opt, "cross4MB"))
2421                                 cross4MB = value;
2422                         else if (!strcmp(this_opt, "grayscale"))
2423                                 grayscale = value;
2424                         else if (!strcmp(this_opt, "dfp"))
2425                                 dfp = value;
2426                         else {
2427                                 strlcpy(videomode, this_opt, sizeof(videomode));
2428                         }
2429                 }
2430         }
2431         return 0;
2432 }
2433
2434 static int __initdata initialized = 0;
2435
2436 static int __init matroxfb_init(void)
2437 {
2438         char *option = NULL;
2439
2440         DBG(__FUNCTION__)
2441
2442         if (fb_get_options("matroxfb", &option))
2443                 return -ENODEV;
2444         matroxfb_setup(option);
2445
2446         if (disabled)
2447                 return -ENXIO;
2448         if (!initialized) {
2449                 initialized = 1;
2450                 matrox_init();
2451         }
2452         hotplug = 1;
2453         /* never return failure, user can hotplug matrox later... */
2454         return 0;
2455 }
2456
2457 module_init(matroxfb_init);
2458
2459 #else
2460
2461 /* *************************** init module code **************************** */
2462
2463 MODULE_AUTHOR("(c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>");
2464 MODULE_DESCRIPTION("Accelerated FBDev driver for Matrox Millennium/Mystique/G100/G200/G400/G450/G550");
2465 MODULE_LICENSE("GPL");
2466
2467 module_param(mem, int, 0);
2468 MODULE_PARM_DESC(mem, "Size of available memory in MB, KB or B (2,4,8,12,16MB, default=autodetect)");
2469 module_param(disabled, int, 0);
2470 MODULE_PARM_DESC(disabled, "Disabled (0 or 1=disabled) (default=0)");
2471 module_param(noaccel, int, 0);
2472 MODULE_PARM_DESC(noaccel, "Do not use accelerating engine (0 or 1=disabled) (default=0)");
2473 module_param(nopan, int, 0);
2474 MODULE_PARM_DESC(nopan, "Disable pan on startup (0 or 1=disabled) (default=0)");
2475 module_param(no_pci_retry, int, 0);
2476 MODULE_PARM_DESC(no_pci_retry, "PCI retries enabled (0 or 1=disabled) (default=0)");
2477 module_param(novga, int, 0);
2478 MODULE_PARM_DESC(novga, "VGA I/O (0x3C0-0x3DF) disabled (0 or 1=disabled) (default=0)");
2479 module_param(nobios, int, 0);
2480 MODULE_PARM_DESC(nobios, "Disables ROM BIOS (0 or 1=disabled) (default=do not change BIOS state)");
2481 module_param(noinit, int, 0);
2482 MODULE_PARM_DESC(noinit, "Disables W/SG/SD-RAM and bus interface initialization (0 or 1=do not initialize) (default=0)");
2483 module_param(memtype, int, 0);
2484 MODULE_PARM_DESC(memtype, "Memory type for G200/G400 (see Documentation/fb/matroxfb.txt for explanation) (default=3 for G200, 0 for G400)");
2485 #ifdef CONFIG_MTRR
2486 module_param(mtrr, int, 0);
2487 MODULE_PARM_DESC(mtrr, "This speeds up video memory accesses (0=disabled or 1) (default=1)");
2488 #endif
2489 module_param(sgram, int, 0);
2490 MODULE_PARM_DESC(sgram, "Indicates that G100/G200/G400 has SGRAM memory (0=SDRAM, 1=SGRAM) (default=0)");
2491 module_param(inv24, int, 0);
2492 MODULE_PARM_DESC(inv24, "Inverts clock polarity for 24bpp and loop frequency > 100MHz (default=do not invert polarity)");
2493 module_param(inverse, int, 0);
2494 MODULE_PARM_DESC(inverse, "Inverse (0 or 1) (default=0)");
2495 #ifdef CONFIG_FB_MATROX_MULTIHEAD
2496 module_param(dev, int, 0);
2497 MODULE_PARM_DESC(dev, "Multihead support, attach to device ID (0..N) (default=all working)");
2498 #else
2499 module_param(dev, int, 0);
2500 MODULE_PARM_DESC(dev, "Multihead support, attach to device ID (0..N) (default=first working)");
2501 #endif
2502 module_param(vesa, int, 0);
2503 MODULE_PARM_DESC(vesa, "Startup videomode (0x000-0x1FF) (default=0x101)");
2504 module_param(xres, int, 0);
2505 MODULE_PARM_DESC(xres, "Horizontal resolution (px), overrides xres from vesa (default=vesa)");
2506 module_param(yres, int, 0);
2507 MODULE_PARM_DESC(yres, "Vertical resolution (scans), overrides yres from vesa (default=vesa)");
2508 module_param(upper, int, 0);
2509 MODULE_PARM_DESC(upper, "Upper blank space (scans), overrides upper from vesa (default=vesa)");
2510 module_param(lower, int, 0);
2511 MODULE_PARM_DESC(lower, "Lower blank space (scans), overrides lower from vesa (default=vesa)");
2512 module_param(vslen, int, 0);
2513 MODULE_PARM_DESC(vslen, "Vertical sync length (scans), overrides lower from vesa (default=vesa)");
2514 module_param(left, int, 0);
2515 MODULE_PARM_DESC(left, "Left blank space (px), overrides left from vesa (default=vesa)");
2516 module_param(right, int, 0);
2517 MODULE_PARM_DESC(right, "Right blank space (px), overrides right from vesa (default=vesa)");
2518 module_param(hslen, int, 0);
2519 MODULE_PARM_DESC(hslen, "Horizontal sync length (px), overrides hslen from vesa (default=vesa)");
2520 module_param(pixclock, int, 0);
2521 MODULE_PARM_DESC(pixclock, "Pixelclock (ns), overrides pixclock from vesa (default=vesa)");
2522 module_param(sync, int, 0);
2523 MODULE_PARM_DESC(sync, "Sync polarity, overrides sync from vesa (default=vesa)");
2524 module_param(depth, int, 0);
2525 MODULE_PARM_DESC(depth, "Color depth (0=text,8,15,16,24,32) (default=vesa)");
2526 module_param(maxclk, int, 0);
2527 MODULE_PARM_DESC(maxclk, "Startup maximal clock, 0-999MHz, 1000-999999kHz, 1000000-INF Hz");
2528 module_param(fh, int, 0);
2529 MODULE_PARM_DESC(fh, "Startup horizontal frequency, 0-999kHz, 1000-INF Hz");
2530 module_param(fv, int, 0);
2531 MODULE_PARM_DESC(fv, "Startup vertical frequency, 0-INF Hz\n"
2532 "You should specify \"fv:max_monitor_vsync,fh:max_monitor_hsync,maxclk:max_monitor_dotclock\"\n");
2533 module_param(grayscale, int, 0);
2534 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)");
2535 module_param(cross4MB, int, 0);
2536 MODULE_PARM_DESC(cross4MB, "Specifies that 4MB boundary can be in middle of line. (default=autodetected)");
2537 module_param(dfp, int, 0);
2538 MODULE_PARM_DESC(dfp, "Specifies whether to use digital flat panel interface of G200/G400 (0 or 1) (default=0)");
2539 module_param(dfp_type, int, 0);
2540 MODULE_PARM_DESC(dfp_type, "Specifies DFP interface type (0 to 255) (default=read from hardware)");
2541 module_param_string(outputs, outputs, sizeof(outputs), 0);
2542 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)");
2543 #ifdef CONFIG_PPC_PMAC
2544 module_param_named(vmode, default_vmode, int, 0);
2545 MODULE_PARM_DESC(vmode, "Specify the vmode mode number that should be used (640x480 default)");
2546 module_param_named(cmode, default_cmode, int, 0);
2547 MODULE_PARM_DESC(cmode, "Specify the video depth that should be used (8bit default)");
2548 #endif
2549
2550 int __init init_module(void){
2551
2552         DBG(__FUNCTION__)
2553
2554         if (disabled)
2555                 return -ENXIO;
2556
2557         if (depth == 0)
2558                 depth = RSText;
2559         else if (depth == 4)
2560                 depth = RS4bpp;
2561         else if (depth == 8)
2562                 depth = RS8bpp;
2563         else if (depth == 15)
2564                 depth = RS15bpp;
2565         else if (depth == 16)
2566                 depth = RS16bpp;
2567         else if (depth == 24)
2568                 depth = RS24bpp;
2569         else if (depth == 32)
2570                 depth = RS32bpp;
2571         else if (depth != -1) {
2572                 printk(KERN_ERR "matroxfb: depth %d is not supported, using default\n", depth);
2573                 depth = -1;
2574         }
2575         matrox_init();
2576         /* never return failure; user can hotplug matrox later... */
2577         return 0;
2578 }
2579 #endif  /* MODULE */
2580
2581 module_exit(matrox_done);
2582 EXPORT_SYMBOL(matroxfb_register_driver);
2583 EXPORT_SYMBOL(matroxfb_unregister_driver);
2584 EXPORT_SYMBOL(matroxfb_wait_for_sync);
2585 EXPORT_SYMBOL(matroxfb_enable_irq);
2586
2587 /*
2588  * Overrides for Emacs so that we follow Linus's tabbing style.
2589  * ---------------------------------------------------------------------------
2590  * Local variables:
2591  * c-basic-offset: 8
2592  * End:
2593  */
2594