drivers/video/matrox/matroxfb_base.c

   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 writing this driver)
  97  *
  98  *               FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk>
  99  *
 100  */
 101
 102 #include <linux/version.h>
 103
 104 #define __OLD_VIDIOC_
 105
 106 #include "matroxfb_base.h"
 107 #include "matroxfb_misc.h"
 108 #include "matroxfb_accel.h"
 109 #include "matroxfb_DAC1064.h"
 110 #include "matroxfb_Ti3026.h"
 111 #include "matroxfb_maven.h"
 112 #include "matroxfb_crtc2.h"
 113 #include "matroxfb_g450.h"
 114 #include <linux/matroxfb.h>
 115 #include <linux/interrupt.h>
 116 #include <linux/uaccess.h>
 117
 118 #ifdef CONFIG_PPC_PMAC
 119 #include <asm/machdep.h>
 120 unsigned char nvram_read_byte(int);
 121 static int default_vmode = VMODE_NVRAM;
 122 static int default_cmode = CMODE_NVRAM;
 123 #endif
 124
 125 static void matroxfb_unregister_device(struct matrox_fb_info* minfo);
 126
 127 /* --------------------------------------------------------------------- */
 128
 129 /*
 130  * card parameters
 131  */
 132
 133 /* --------------------------------------------------------------------- */
 134
 135 static struct fb_var_screeninfo vesafb_defined = {
 136         640,480,640,480,/* W,H, W, H (virtual) load xres,xres_virtual*/
 137         0,0,            /* virtual -> visible no offset */
 138         8,              /* depth -> load bits_per_pixel */
 139         0,              /* greyscale ? */
 140         {0,0,0},        /* R */
 141         {0,0,0},        /* G */
 142         {0,0,0},        /* B */
 143         {0,0,0},        /* transparency */
 144         0,              /* standard pixel format */
 145         FB_ACTIVATE_NOW,
 146         -1,-1,
 147         FB_ACCELF_TEXT, /* accel flags */
 148         39721L,48L,16L,33L,10L,
 149         96L,2L,~0,      /* No sync info */
 150         FB_VMODE_NONINTERLACED,
 151         0, {0,0,0,0,0}
 152 };
 153
 154
 155
 156 /* --------------------------------------------------------------------- */
 157 static void update_crtc2(WPMINFO unsigned int pos) {
 158         struct matroxfb_dh_fb_info* info = ACCESS_FBINFO(crtc2.info);
 159
 160         /* Make sure that displays are compatible */
 161         if (info && (info->fbcon.var.bits_per_pixel == ACCESS_FBINFO(fbcon).var.bits_per_pixel)
 162                  && (info->fbcon.var.xres_virtual == ACCESS_FBINFO(fbcon).var.xres_virtual)
 163                  && (info->fbcon.var.green.length == ACCESS_FBINFO(fbcon).var.green.length)
 164                  ) {
 165                 switch (ACCESS_FBINFO(fbcon).var.bits_per_pixel) {
 166                         case 16:
 167                         case 32:
 168                                 pos = pos * 8;
 169                                 if (info->interlaced) {
 170                                         mga_outl(0x3C2C, pos);
 171                                         mga_outl(0x3C28, pos + ACCESS_FBINFO(fbcon).var.xres_virtual * ACCESS_FBINFO(fbcon).var.bits_per_pixel / 8);
 172                                 } else {
 173                                         mga_outl(0x3C28, pos);
 174                                 }
 175                                 break;
 176                 }
 177         }
 178 }
 179
 180 static void matroxfb_crtc1_panpos(WPMINFO2) {
 181         if (ACCESS_FBINFO(crtc1.panpos) >= 0) {
 182                 unsigned long flags;
 183                 int panpos;
 184
 185                 matroxfb_DAC_lock_irqsave(flags);
 186                 panpos = ACCESS_FBINFO(crtc1.panpos);
 187                 if (panpos >= 0) {
 188                         unsigned int extvga_reg;
 189
 190                         ACCESS_FBINFO(crtc1.panpos) = -1; /* No update pending anymore */
 191                         extvga_reg = mga_inb(M_EXTVGA_INDEX);
 192                         mga_setr(M_EXTVGA_INDEX, 0x00, panpos);
 193                         if (extvga_reg != 0x00) {
 194                                 mga_outb(M_EXTVGA_INDEX, extvga_reg);
 195                         }
 196                 }
 197                 matroxfb_DAC_unlock_irqrestore(flags);
 198         }
 199 }
 200
 201 static irqreturn_t matrox_irq(int irq, void *dev_id)
 202 {
 203         u_int32_t status;
 204         int handled = 0;
 205
 206         MINFO_FROM(dev_id);
 207
 208         status = mga_inl(M_STATUS);
 209
 210         if (status & 0x20) {
 211                 mga_outl(M_ICLEAR, 0x20);
 212                 ACCESS_FBINFO(crtc1.vsync.cnt)++;
 213                 matroxfb_crtc1_panpos(PMINFO2);
 214                 wake_up_interruptible(&ACCESS_FBINFO(crtc1.vsync.wait));
 215                 handled = 1;
 216         }
 217         if (status & 0x200) {
 218                 mga_outl(M_ICLEAR, 0x200);
 219                 ACCESS_FBINFO(crtc2.vsync.cnt)++;
 220                 wake_up_interruptible(&ACCESS_FBINFO(crtc2.vsync.wait));
 221                 handled = 1;
 222         }
 223         return IRQ_RETVAL(handled);
 224 }
 225
 226 int matroxfb_enable_irq(WPMINFO int reenable) {
 227         u_int32_t bm;
 228
 229         if (ACCESS_FBINFO(devflags.accelerator) == FB_ACCEL_MATROX_MGAG400)
 230                 bm = 0x220;
 231         else
 232                 bm = 0x020;
 233
 234         if (!test_and_set_bit(0, &ACCESS_FBINFO(irq_flags))) {
 235                 if (request_irq(ACCESS_FBINFO(pcidev)->irq, matrox_irq,
 236                                 IRQF_SHARED, "matroxfb", MINFO)) {
 237                         clear_bit(0, &ACCESS_FBINFO(irq_flags));
 238                         return -EINVAL;
 239                 }
 240                 /* Clear any pending field interrupts */
 241                 mga_outl(M_ICLEAR, bm);
 242                 mga_outl(M_IEN, mga_inl(M_IEN) | bm);
 243         } else if (reenable) {
 244                 u_int32_t ien;
 245
 246                 ien = mga_inl(M_IEN);
 247                 if ((ien & bm) != bm) {
 248                         printk(KERN_DEBUG "matroxfb: someone disabled IRQ [%08X]\n", ien);
 249                         mga_outl(M_IEN, ien | bm);
 250                 }
 251         }
 252         return 0;
 253 }
 254
 255 static void matroxfb_disable_irq(WPMINFO2) {
 256         if (test_and_clear_bit(0, &ACCESS_FBINFO(irq_flags))) {
 257                 /* Flush pending pan-at-vbl request... */
 258                 matroxfb_crtc1_panpos(PMINFO2);
 259                 if (ACCESS_FBINFO(devflags.accelerator) == FB_ACCEL_MATROX_MGAG400)
 260                         mga_outl(M_IEN, mga_inl(M_IEN) & ~0x220);
 261                 else
 262                         mga_outl(M_IEN, mga_inl(M_IEN) & ~0x20);
 263                 free_irq(ACCESS_FBINFO(pcidev)->irq, MINFO);
 264         }
 265 }
 266
 267 int matroxfb_wait_for_sync(WPMINFO u_int32_t crtc) {
 268         struct matrox_vsync *vs;
 269         unsigned int cnt;
 270         int ret;
 271
 272         switch (crtc) {
 273                 case 0:
 274                         vs = &ACCESS_FBINFO(crtc1.vsync);
 275                         break;
 276                 case 1:
 277                         if (ACCESS_FBINFO(devflags.accelerator) != FB_ACCEL_MATROX_MGAG400) {
 278                                 return -ENODEV;
 279                         }
 280                         vs = &ACCESS_FBINFO(crtc2.vsync);
 281                         break;
 282                 default:
 283                         return -ENODEV;
 284         }
 285         ret = matroxfb_enable_irq(PMINFO 0);
 286         if (ret) {
 287                 return ret;
 288         }
 289
 290         cnt = vs->cnt;
 291         ret = wait_event_interruptible_timeout(vs->wait, cnt != vs->cnt, HZ/10);
 292         if (ret < 0) {
 293                 return ret;
 294         }
 295         if (ret == 0) {
 296                 matroxfb_enable_irq(PMINFO 1);
 297                 return -ETIMEDOUT;
 298         }
 299         return 0;
 300 }
 301
 302 /* --------------------------------------------------------------------- */
 303
 304 static void matrox_pan_var(WPMINFO struct fb_var_screeninfo *var) {
 305         unsigned int pos;
 306         unsigned short p0, p1, p2;
 307 #ifdef CONFIG_FB_MATROX_32MB
 308         unsigned int p3;
 309 #endif
 310         int vbl;
 311         unsigned long flags;
 312
 313         CRITFLAGS
 314
 315         DBG(__func__)
 316
 317         if (ACCESS_FBINFO(dead))
 318                 return;
 319
 320         ACCESS_FBINFO(fbcon).var.xoffset = var->xoffset;
 321         ACCESS_FBINFO(fbcon).var.yoffset = var->yoffset;
 322         pos = (ACCESS_FBINFO(fbcon).var.yoffset * ACCESS_FBINFO(fbcon).var.xres_virtual + ACCESS_FBINFO(fbcon).var.xoffset) * ACCESS_FBINFO(curr.final_bppShift) / 32;
 323         pos += ACCESS_FBINFO(curr.ydstorg.chunks);
 324         p0 = ACCESS_FBINFO(hw).CRTC[0x0D] = pos & 0xFF;
 325         p1 = ACCESS_FBINFO(hw).CRTC[0x0C] = (pos & 0xFF00) >> 8;
 326         p2 = ACCESS_FBINFO(hw).CRTCEXT[0] = (ACCESS_FBINFO(hw).CRTCEXT[0] & 0xB0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
 327 #ifdef CONFIG_FB_MATROX_32MB
 328         p3 = ACCESS_FBINFO(hw).CRTCEXT[8] = pos >> 21;
 329 #endif
 330
 331         /* FB_ACTIVATE_VBL and we can acquire interrupts? Honor FB_ACTIVATE_VBL then... */
 332         vbl = (var->activate & FB_ACTIVATE_VBL) && (matroxfb_enable_irq(PMINFO 0) == 0);
 333
 334         CRITBEGIN
 335
 336         matroxfb_DAC_lock_irqsave(flags);
 337         mga_setr(M_CRTC_INDEX, 0x0D, p0);
 338         mga_setr(M_CRTC_INDEX, 0x0C, p1);
 339 #ifdef CONFIG_FB_MATROX_32MB
 340         if (ACCESS_FBINFO(devflags.support32MB))
 341                 mga_setr(M_EXTVGA_INDEX, 0x08, p3);
 342 #endif
 343         if (vbl) {
 344                 ACCESS_FBINFO(crtc1.panpos) = p2;
 345         } else {
 346                 /* Abort any pending change */
 347                 ACCESS_FBINFO(crtc1.panpos) = -1;
 348                 mga_setr(M_EXTVGA_INDEX, 0x00, p2);
 349         }
 350         matroxfb_DAC_unlock_irqrestore(flags);
 351
 352         update_crtc2(PMINFO pos);
 353
 354         CRITEND
 355 }
 356
 357 static void matroxfb_remove(WPMINFO int dummy) {
 358         /* Currently we are holding big kernel lock on all dead & usecount updates.
 359          * Destroy everything after all users release it. Especially do not unregister
 360          * framebuffer and iounmap memory, neither fbmem nor fbcon-cfb* does not check
 361          * for device unplugged when in use.
 362          * In future we should point mmio.vbase & video.vbase somewhere where we can
 363          * write data without causing too much damage...
 364          */
 365
 366         ACCESS_FBINFO(dead) = 1;
 367         if (ACCESS_FBINFO(usecount)) {
 368                 /* destroy it later */
 369                 return;
 370         }
 371         matroxfb_unregister_device(MINFO);
 372         unregister_framebuffer(&ACCESS_FBINFO(fbcon));
 373         matroxfb_g450_shutdown(PMINFO2);
 374 #ifdef CONFIG_MTRR
 375         if (ACCESS_FBINFO(mtrr.vram_valid))
 376                 mtrr_del(ACCESS_FBINFO(mtrr.vram), ACCESS_FBINFO(video.base), ACCESS_FBINFO(video.len));
 377 #endif
 378         mga_iounmap(ACCESS_FBINFO(mmio.vbase));
 379         mga_iounmap(ACCESS_FBINFO(video.vbase));
 380         release_mem_region(ACCESS_FBINFO(video.base), ACCESS_FBINFO(video.len_maximum));
 381         release_mem_region(ACCESS_FBINFO(mmio.base), 16384);
 382 #ifdef CONFIG_FB_MATROX_MULTIHEAD
 383         kfree(minfo);
 384 #endif
 385 }
 386
 387         /*
 388          * Open/Release the frame buffer device
 389          */
 390
 391 static int matroxfb_open(struct fb_info *info, int user)
 392 {
 393         MINFO_FROM_INFO(info);
 394
 395         DBG_LOOP(__func__)
 396
 397         if (ACCESS_FBINFO(dead)) {
 398                 return -ENXIO;
 399         }
 400         ACCESS_FBINFO(usecount)++;
 401         if (user) {
 402                 ACCESS_FBINFO(userusecount)++;
 403         }
 404         return(0);
 405 }
 406
 407 static int matroxfb_release(struct fb_info *info, int user)
 408 {
 409         MINFO_FROM_INFO(info);
 410
 411         DBG_LOOP(__func__)
 412
 413         if (user) {
 414                 if (0 == --ACCESS_FBINFO(userusecount)) {
 415                         matroxfb_disable_irq(PMINFO2);
 416                 }
 417         }
 418         if (!(--ACCESS_FBINFO(usecount)) && ACCESS_FBINFO(dead)) {
 419                 matroxfb_remove(PMINFO 0);
 420         }
 421         return(0);
 422 }
 423
 424 static int matroxfb_pan_display(struct fb_var_screeninfo *var,
 425                 struct fb_info* info) {
 426         MINFO_FROM_INFO(info);
 427
 428         DBG(__func__)
 429
 430         matrox_pan_var(PMINFO var);
 431         return 0;
 432 }
 433
 434 static int matroxfb_get_final_bppShift(CPMINFO int bpp) {
 435         int bppshft2;
 436
 437         DBG(__func__)
 438
 439         bppshft2 = bpp;
 440         if (!bppshft2) {
 441                 return 8;
 442         }
 443         if (isInterleave(MINFO))
 444                 bppshft2 >>= 1;
 445         if (ACCESS_FBINFO(devflags.video64bits))
 446                 bppshft2 >>= 1;
 447         return bppshft2;
 448 }
 449
 450 static int matroxfb_test_and_set_rounding(CPMINFO int xres, int bpp) {
 451         int over;
 452         int rounding;
 453
 454         DBG(__func__)
 455
 456         switch (bpp) {
 457                 case 0:         return xres;
 458                 case 4:         rounding = 128;
 459                                 break;
 460                 case 8:         rounding = 64;  /* doc says 64; 32 is OK for G400 */
 461                                 break;
 462                 case 16:        rounding = 32;
 463                                 break;
 464                 case 24:        rounding = 64;  /* doc says 64; 32 is OK for G400 */
 465                                 break;
 466                 default:        rounding = 16;
 467                                 /* on G400, 16 really does not work */
 468                                 if (ACCESS_FBINFO(devflags.accelerator) == FB_ACCEL_MATROX_MGAG400)
 469                                         rounding = 32;
 470                                 break;
 471         }
 472         if (isInterleave(MINFO)) {
 473                 rounding *= 2;
 474         }
 475         over = xres % rounding;
 476         if (over)
 477                 xres += rounding-over;
 478         return xres;
 479 }
 480
 481 static int matroxfb_pitch_adjust(CPMINFO int xres, int bpp) {
 482         const int* width;
 483         int xres_new;
 484
 485         DBG(__func__)
 486
 487         if (!bpp) return xres;
 488
 489         width = ACCESS_FBINFO(capable.vxres);
 490
 491         if (ACCESS_FBINFO(devflags.precise_width)) {
 492                 while (*width) {
 493                         if ((*width >= xres) && (matroxfb_test_and_set_rounding(PMINFO *width, bpp) == *width)) {
 494                                 break;
 495                         }
 496                         width++;
 497                 }
 498                 xres_new = *width;
 499         } else {
 500                 xres_new = matroxfb_test_and_set_rounding(PMINFO xres, bpp);
 501         }
 502         return xres_new;
 503 }
 504
 505 static int matroxfb_get_cmap_len(struct fb_var_screeninfo *var) {
 506
 507         DBG(__func__)
 508
 509         switch (var->bits_per_pixel) {
 510                 case 4:
 511                         return 16;      /* pseudocolor... 16 entries HW palette */
 512                 case 8:
 513                         return 256;     /* pseudocolor... 256 entries HW palette */
 514                 case 16:
 515                         return 16;      /* directcolor... 16 entries SW palette */
 516                                         /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 517                 case 24:
 518                         return 16;      /* directcolor... 16 entries SW palette */
 519                                         /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 520                 case 32:
 521                         return 16;      /* directcolor... 16 entries SW palette */
 522                                         /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 523         }
 524         return 16;      /* return something reasonable... or panic()? */
 525 }
 526
 527 static int matroxfb_decode_var(CPMINFO struct fb_var_screeninfo *var, int *visual, int *video_cmap_len, unsigned int* ydstorg) {
 528         struct RGBT {
 529                 unsigned char bpp;
 530                 struct {
 531                         unsigned char offset,
 532                                       length;
 533                 } red,
 534                   green,
 535                   blue,
 536                   transp;
 537                 signed char visual;
 538         };
 539         static const struct RGBT table[]= {
 540                 { 8,{ 0,8},{0,8},{0,8},{ 0,0},MX_VISUAL_PSEUDOCOLOR},
 541                 {15,{10,5},{5,5},{0,5},{15,1},MX_VISUAL_DIRECTCOLOR},
 542                 {16,{11,5},{5,6},{0,5},{ 0,0},MX_VISUAL_DIRECTCOLOR},
 543                 {24,{16,8},{8,8},{0,8},{ 0,0},MX_VISUAL_DIRECTCOLOR},
 544                 {32,{16,8},{8,8},{0,8},{24,8},MX_VISUAL_DIRECTCOLOR}
 545         };
 546         struct RGBT const *rgbt;
 547         unsigned int bpp = var->bits_per_pixel;
 548         unsigned int vramlen;
 549         unsigned int memlen;
 550
 551         DBG(__func__)
 552
 553         switch (bpp) {
 554                 case 4:  if (!ACCESS_FBINFO(capable.cfb4)) return -EINVAL;
 555                          break;
 556                 case 8:  break;
 557                 case 16: break;
 558                 case 24: break;
 559                 case 32: break;
 560                 default: return -EINVAL;
 561         }
 562         *ydstorg = 0;
 563         vramlen = ACCESS_FBINFO(video.len_usable);
 564         if (var->yres_virtual < var->yres)
 565                 var->yres_virtual = var->yres;
 566         if (var->xres_virtual < var->xres)
 567                 var->xres_virtual = var->xres;
 568
 569         var->xres_virtual = matroxfb_pitch_adjust(PMINFO var->xres_virtual, bpp);
 570         memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
 571         if (memlen > vramlen) {
 572                 var->yres_virtual = vramlen * 8 / (var->xres_virtual * bpp);
 573                 memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
 574         }
 575         /* There is hardware bug that no line can cross 4MB boundary */
 576         /* give up for CFB24, it is impossible to easy workaround it */
 577         /* for other try to do something */
 578         if (!ACCESS_FBINFO(capable.cross4MB) && (memlen > 0x400000)) {
 579                 if (bpp == 24) {
 580                         /* sorry */
 581                 } else {
 582                         unsigned int linelen;
 583                         unsigned int m1 = linelen = var->xres_virtual * bpp / 8;
 584                         unsigned int m2 = PAGE_SIZE;    /* or 128 if you do not need PAGE ALIGNED address */
 585                         unsigned int max_yres;
 586
 587                         while (m1) {
 588                                 int t;
 589
 590                                 while (m2 >= m1) m2 -= m1;
 591                                 t = m1;
 592                                 m1 = m2;
 593                                 m2 = t;
 594                         }
 595                         m2 = linelen * PAGE_SIZE / m2;
 596                         *ydstorg = m2 = 0x400000 % m2;
 597                         max_yres = (vramlen - m2) / linelen;
 598                         if (var->yres_virtual > max_yres)
 599                                 var->yres_virtual = max_yres;
 600                 }
 601         }
 602         /* YDSTLEN contains only signed 16bit value */
 603         if (var->yres_virtual > 32767)
 604                 var->yres_virtual = 32767;
 605         /* we must round yres/xres down, we already rounded y/xres_virtual up
 606            if it was possible. We should return -EINVAL, but I disagree */
 607         if (var->yres_virtual < var->yres)
 608                 var->yres = var->yres_virtual;
 609         if (var->xres_virtual < var->xres)
 610                 var->xres = var->xres_virtual;
 611         if (var->xoffset + var->xres > var->xres_virtual)
 612                 var->xoffset = var->xres_virtual - var->xres;
 613         if (var->yoffset + var->yres > var->yres_virtual)
 614                 var->yoffset = var->yres_virtual - var->yres;
 615
 616         if (bpp == 16 && var->green.length == 5) {
 617                 bpp--; /* an artifical value - 15 */
 618         }
 619
 620         for (rgbt = table; rgbt->bpp < bpp; rgbt++);
 621 #define SETCLR(clr)\
 622         var->clr.offset = rgbt->clr.offset;\
 623         var->clr.length = rgbt->clr.length
 624         SETCLR(red);
 625         SETCLR(green);
 626         SETCLR(blue);
 627         SETCLR(transp);
 628 #undef  SETCLR
 629         *visual = rgbt->visual;
 630
 631         if (bpp > 8)
 632                 dprintk("matroxfb: truecolor: "
 633                         "size=%d:%d:%d:%d, shift=%d:%d:%d:%d\n",
 634                         var->transp.length, var->red.length, var->green.length, var->blue.length,
 635                         var->transp.offset, var->red.offset, var->green.offset, var->blue.offset);
 636
 637         *video_cmap_len = matroxfb_get_cmap_len(var);
 638         dprintk(KERN_INFO "requested %d*%d/%dbpp (%d*%d)\n", var->xres, var->yres, var->bits_per_pixel,
 639                                 var->xres_virtual, var->yres_virtual);
 640         return 0;
 641 }
 642
 643 static int matroxfb_setcolreg(unsigned regno, unsigned red, unsigned green,
 644                               unsigned blue, unsigned transp,
 645                               struct fb_info *fb_info)
 646 {
 647 #ifdef CONFIG_FB_MATROX_MULTIHEAD
 648         struct matrox_fb_info* minfo = container_of(fb_info, struct matrox_fb_info, fbcon);
 649 #endif
 650
 651         DBG(__func__)
 652
 653         /*
 654          *  Set a single color register. The values supplied are
 655          *  already rounded down to the hardware's capabilities
 656          *  (according to the entries in the `var' structure). Return
 657          *  != 0 for invalid regno.
 658          */
 659
 660         if (regno >= ACCESS_FBINFO(curr.cmap_len))
 661                 return 1;
 662
 663         if (ACCESS_FBINFO(fbcon).var.grayscale) {
 664                 /* gray = 0.30*R + 0.59*G + 0.11*B */
 665                 red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
 666         }
 667
 668         red = CNVT_TOHW(red, ACCESS_FBINFO(fbcon).var.red.length);
 669         green = CNVT_TOHW(green, ACCESS_FBINFO(fbcon).var.green.length);
 670         blue = CNVT_TOHW(blue, ACCESS_FBINFO(fbcon).var.blue.length);
 671         transp = CNVT_TOHW(transp, ACCESS_FBINFO(fbcon).var.transp.length);
 672
 673         switch (ACCESS_FBINFO(fbcon).var.bits_per_pixel) {
 674         case 4:
 675         case 8:
 676                 mga_outb(M_DAC_REG, regno);
 677                 mga_outb(M_DAC_VAL, red);
 678                 mga_outb(M_DAC_VAL, green);
 679                 mga_outb(M_DAC_VAL, blue);
 680                 break;
 681         case 16:
 682                 if (regno >= 16)
 683                         break;
 684                 {
 685                         u_int16_t col =
 686                                 (red << ACCESS_FBINFO(fbcon).var.red.offset)     |
 687                                 (green << ACCESS_FBINFO(fbcon).var.green.offset) |
 688                                 (blue << ACCESS_FBINFO(fbcon).var.blue.offset)   |
 689                                 (transp << ACCESS_FBINFO(fbcon).var.transp.offset); /* for 1:5:5:5 */
 690                         ACCESS_FBINFO(cmap[regno]) = col | (col << 16);
 691                 }
 692                 break;
 693         case 24:
 694         case 32:
 695                 if (regno >= 16)
 696                         break;
 697                 ACCESS_FBINFO(cmap[regno]) =
 698                         (red   << ACCESS_FBINFO(fbcon).var.red.offset)   |
 699                         (green << ACCESS_FBINFO(fbcon).var.green.offset) |
 700                         (blue  << ACCESS_FBINFO(fbcon).var.blue.offset)  |
 701                         (transp << ACCESS_FBINFO(fbcon).var.transp.offset);     /* 8:8:8:8 */
 702                 break;
 703         }
 704         return 0;
 705 }
 706
 707 static void matroxfb_init_fix(WPMINFO2)
 708 {
 709         struct fb_fix_screeninfo *fix = &ACCESS_FBINFO(fbcon).fix;
 710         DBG(__func__)
 711
 712         strcpy(fix->id,"MATROX");
 713
 714         fix->xpanstep = 8;      /* 8 for 8bpp, 4 for 16bpp, 2 for 32bpp */
 715         fix->ypanstep = 1;
 716         fix->ywrapstep = 0;
 717         fix->mmio_start = ACCESS_FBINFO(mmio.base);
 718         fix->mmio_len = ACCESS_FBINFO(mmio.len);
 719         fix->accel = ACCESS_FBINFO(devflags.accelerator);
 720 }
 721
 722 static void matroxfb_update_fix(WPMINFO2)
 723 {
 724         struct fb_fix_screeninfo *fix = &ACCESS_FBINFO(fbcon).fix;
 725         DBG(__func__)
 726
 727         fix->smem_start = ACCESS_FBINFO(video.base) + ACCESS_FBINFO(curr.ydstorg.bytes);
 728         fix->smem_len = ACCESS_FBINFO(video.len_usable) - ACCESS_FBINFO(curr.ydstorg.bytes);
 729 }
 730
 731 static int matroxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 732 {
 733         int err;
 734         int visual;
 735         int cmap_len;
 736         unsigned int ydstorg;
 737         MINFO_FROM_INFO(info);
 738
 739         if (ACCESS_FBINFO(dead)) {
 740                 return -ENXIO;
 741         }
 742         if ((err = matroxfb_decode_var(PMINFO var, &visual, &cmap_len, &ydstorg)) != 0)
 743                 return err;
 744         return 0;
 745 }
 746
 747 static int matroxfb_set_par(struct fb_info *info)
 748 {
 749         int err;
 750         int visual;
 751         int cmap_len;
 752         unsigned int ydstorg;
 753         struct fb_var_screeninfo *var;
 754         MINFO_FROM_INFO(info);
 755
 756         DBG(__func__)
 757
 758         if (ACCESS_FBINFO(dead)) {
 759                 return -ENXIO;
 760         }
 761
 762         var = &info->var;
 763         if ((err = matroxfb_decode_var(PMINFO var, &visual, &cmap_len, &ydstorg)) != 0)
 764                 return err;
 765         ACCESS_FBINFO(fbcon.screen_base) = vaddr_va(ACCESS_FBINFO(video.vbase)) + ydstorg;
 766         matroxfb_update_fix(PMINFO2);
 767         ACCESS_FBINFO(fbcon).fix.visual = visual;
 768         ACCESS_FBINFO(fbcon).fix.type = FB_TYPE_PACKED_PIXELS;
 769         ACCESS_FBINFO(fbcon).fix.type_aux = 0;
 770         ACCESS_FBINFO(fbcon).fix.line_length = (var->xres_virtual * var->bits_per_pixel) >> 3;
 771         {
 772                 unsigned int pos;
 773
 774                 ACCESS_FBINFO(curr.cmap_len) = cmap_len;
 775                 ydstorg += ACCESS_FBINFO(devflags.ydstorg);
 776                 ACCESS_FBINFO(curr.ydstorg.bytes) = ydstorg;
 777                 ACCESS_FBINFO(curr.ydstorg.chunks) = ydstorg >> (isInterleave(MINFO)?3:2);
 778                 if (var->bits_per_pixel == 4)
 779                         ACCESS_FBINFO(curr.ydstorg.pixels) = ydstorg;
 780                 else
 781                         ACCESS_FBINFO(curr.ydstorg.pixels) = (ydstorg * 8) / var->bits_per_pixel;
 782                 ACCESS_FBINFO(curr.final_bppShift) = matroxfb_get_final_bppShift(PMINFO var->bits_per_pixel);
 783                 {       struct my_timming mt;
 784                         struct matrox_hw_state* hw;
 785                         int out;
 786
 787                         matroxfb_var2my(var, &mt);
 788                         mt.crtc = MATROXFB_SRC_CRTC1;
 789                         /* CRTC1 delays */
 790                         switch (var->bits_per_pixel) {
 791                                 case  0:        mt.delay = 31 + 0; break;
 792                                 case 16:        mt.delay = 21 + 8; break;
 793                                 case 24:        mt.delay = 17 + 8; break;
 794                                 case 32:        mt.delay = 16 + 8; break;
 795                                 default:        mt.delay = 31 + 8; break;
 796                         }
 797
 798                         hw = &ACCESS_FBINFO(hw);
 799
 800                         down_read(&ACCESS_FBINFO(altout).lock);
 801                         for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 802                                 if (ACCESS_FBINFO(outputs[out]).src == MATROXFB_SRC_CRTC1 &&
 803                                     ACCESS_FBINFO(outputs[out]).output->compute) {
 804                                         ACCESS_FBINFO(outputs[out]).output->compute(ACCESS_FBINFO(outputs[out]).data, &mt);
 805                                 }
 806                         }
 807                         up_read(&ACCESS_FBINFO(altout).lock);
 808                         ACCESS_FBINFO(crtc1).pixclock = mt.pixclock;
 809                         ACCESS_FBINFO(crtc1).mnp = mt.mnp;
 810                         ACCESS_FBINFO(hw_switch->init(PMINFO &mt));
 811                         pos = (var->yoffset * var->xres_virtual + var->xoffset) * ACCESS_FBINFO(curr.final_bppShift) / 32;
 812                         pos += ACCESS_FBINFO(curr.ydstorg.chunks);
 813
 814                         hw->CRTC[0x0D] = pos & 0xFF;
 815                         hw->CRTC[0x0C] = (pos & 0xFF00) >> 8;
 816                         hw->CRTCEXT[0] = (hw->CRTCEXT[0] & 0xF0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
 817                         hw->CRTCEXT[8] = pos >> 21;
 818                         ACCESS_FBINFO(hw_switch->restore(PMINFO2));
 819                         update_crtc2(PMINFO pos);
 820                         down_read(&ACCESS_FBINFO(altout).lock);
 821                         for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 822                                 if (ACCESS_FBINFO(outputs[out]).src == MATROXFB_SRC_CRTC1 &&
 823                                     ACCESS_FBINFO(outputs[out]).output->program) {
 824                                         ACCESS_FBINFO(outputs[out]).output->program(ACCESS_FBINFO(outputs[out]).data);
 825                                 }
 826                         }
 827                         for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 828                                 if (ACCESS_FBINFO(outputs[out]).src == MATROXFB_SRC_CRTC1 &&
 829                                     ACCESS_FBINFO(outputs[out]).output->start) {
 830                                         ACCESS_FBINFO(outputs[out]).output->start(ACCESS_FBINFO(outputs[out]).data);
 831                                 }
 832                         }
 833                         up_read(&ACCESS_FBINFO(altout).lock);
 834                         matrox_cfbX_init(PMINFO2);
 835                 }
 836         }
 837         ACCESS_FBINFO(initialized) = 1;
 838         return 0;
 839 }
 840
 841 static int matroxfb_get_vblank(WPMINFO struct fb_vblank *vblank)
 842 {
 843         unsigned int sts1;
 844
 845         matroxfb_enable_irq(PMINFO 0);
 846         memset(vblank, 0, sizeof(*vblank));
 847         vblank->flags = FB_VBLANK_HAVE_VCOUNT | FB_VBLANK_HAVE_VSYNC |
 848                         FB_VBLANK_HAVE_VBLANK | FB_VBLANK_HAVE_HBLANK;
 849         sts1 = mga_inb(M_INSTS1);
 850         vblank->vcount = mga_inl(M_VCOUNT);
 851         /* BTW, on my PIII/450 with G400, reading M_INSTS1
 852            byte makes this call about 12% slower (1.70 vs. 2.05 us
 853            per ioctl()) */
 854         if (sts1 & 1)
 855                 vblank->flags |= FB_VBLANK_HBLANKING;
 856         if (sts1 & 8)
 857                 vblank->flags |= FB_VBLANK_VSYNCING;
 858         if (vblank->vcount >= ACCESS_FBINFO(fbcon).var.yres)
 859                 vblank->flags |= FB_VBLANK_VBLANKING;
 860         if (test_bit(0, &ACCESS_FBINFO(irq_flags))) {
 861                 vblank->flags |= FB_VBLANK_HAVE_COUNT;
 862                 /* Only one writer, aligned int value...
 863                    it should work without lock and without atomic_t */
 864                 vblank->count = ACCESS_FBINFO(crtc1).vsync.cnt;
 865         }
 866         return 0;
 867 }
 868
 869 static struct matrox_altout panellink_output = {
 870         .name    = "Panellink output",
 871 };
 872
 873 static int matroxfb_ioctl(struct fb_info *info,
 874                           unsigned int cmd, unsigned long arg)
 875 {
 876         void __user *argp = (void __user *)arg;
 877         MINFO_FROM_INFO(info);
 878
 879         DBG(__func__)
 880
 881         if (ACCESS_FBINFO(dead)) {
 882                 return -ENXIO;
 883         }
 884
 885         switch (cmd) {
 886                 case FBIOGET_VBLANK:
 887                         {
 888                                 struct fb_vblank vblank;
 889                                 int err;
 890
 891                                 err = matroxfb_get_vblank(PMINFO &vblank);
 892                                 if (err)
 893                                         return err;
 894                                 if (copy_to_user(argp, &vblank, sizeof(vblank)))
 895                                         return -EFAULT;
 896                                 return 0;
 897                         }
 898                 case FBIO_WAITFORVSYNC:
 899                         {
 900                                 u_int32_t crt;
 901
 902                                 if (get_user(crt, (u_int32_t __user *)arg))
 903                                         return -EFAULT;
 904
 905                                 return matroxfb_wait_for_sync(PMINFO crt);
 906                         }
 907                 case MATROXFB_SET_OUTPUT_MODE:
 908                         {
 909                                 struct matroxioc_output_mode mom;
 910                                 struct matrox_altout *oproc;
 911                                 int val;
 912
 913                                 if (copy_from_user(&mom, argp, sizeof(mom)))
 914                                         return -EFAULT;
 915                                 if (mom.output >= MATROXFB_MAX_OUTPUTS)
 916                                         return -ENXIO;
 917                                 down_read(&ACCESS_FBINFO(altout.lock));
 918                                 oproc = ACCESS_FBINFO(outputs[mom.output]).output;
 919                                 if (!oproc) {
 920                                         val = -ENXIO;
 921                                 } else if (!oproc->verifymode) {
 922                                         if (mom.mode == MATROXFB_OUTPUT_MODE_MONITOR) {
 923                                                 val = 0;
 924                                         } else {
 925                                                 val = -EINVAL;
 926                                         }
 927                                 } else {
 928                                         val = oproc->verifymode(ACCESS_FBINFO(outputs[mom.output]).data, mom.mode);
 929                                 }
 930                                 if (!val) {
 931                                         if (ACCESS_FBINFO(outputs[mom.output]).mode != mom.mode) {
 932                                                 ACCESS_FBINFO(outputs[mom.output]).mode = mom.mode;
 933                                                 val = 1;
 934                                         }
 935                                 }
 936                                 up_read(&ACCESS_FBINFO(altout.lock));
 937                                 if (val != 1)
 938                                         return val;
 939                                 switch (ACCESS_FBINFO(outputs[mom.output]).src) {
 940                                         case MATROXFB_SRC_CRTC1:
 941                                                 matroxfb_set_par(info);
 942                                                 break;
 943                                         case MATROXFB_SRC_CRTC2:
 944                                                 {
 945                                                         struct matroxfb_dh_fb_info* crtc2;
 946
 947                                                         down_read(&ACCESS_FBINFO(crtc2.lock));
 948                                                         crtc2 = ACCESS_FBINFO(crtc2.info);
 949                                                         if (crtc2)
 950                                                                 crtc2->fbcon.fbops->fb_set_par(&crtc2->fbcon);
 951                                                         up_read(&ACCESS_FBINFO(crtc2.lock));
 952                                                 }
 953                                                 break;
 954                                 }
 955                                 return 0;
 956                         }
 957                 case MATROXFB_GET_OUTPUT_MODE:
 958                         {
 959                                 struct matroxioc_output_mode mom;
 960                                 struct matrox_altout *oproc;
 961                                 int val;
 962
 963                                 if (copy_from_user(&mom, argp, sizeof(mom)))
 964                                         return -EFAULT;
 965                                 if (mom.output >= MATROXFB_MAX_OUTPUTS)
 966                                         return -ENXIO;
 967                                 down_read(&ACCESS_FBINFO(altout.lock));
 968                                 oproc = ACCESS_FBINFO(outputs[mom.output]).output;
 969                                 if (!oproc) {
 970                                         val = -ENXIO;
 971                                 } else {
 972                                         mom.mode = ACCESS_FBINFO(outputs[mom.output]).mode;
 973                                         val = 0;
 974                                 }
 975                                 up_read(&ACCESS_FBINFO(altout.lock));
 976                                 if (val)
 977                                         return val;
 978                                 if (copy_to_user(argp, &mom, sizeof(mom)))
 979                                         return -EFAULT;
 980                                 return 0;
 981                         }
 982                 case MATROXFB_SET_OUTPUT_CONNECTION:
 983                         {
 984                                 u_int32_t tmp;
 985                                 int i;
 986                                 int changes;
 987
 988                                 if (copy_from_user(&tmp, argp, sizeof(tmp)))
 989                                         return -EFAULT;
 990                                 for (i = 0; i < 32; i++) {
 991                                         if (tmp & (1 << i)) {
 992                                                 if (i >= MATROXFB_MAX_OUTPUTS)
 993                                                         return -ENXIO;
 994                                                 if (!ACCESS_FBINFO(outputs[i]).output)
 995                                                         return -ENXIO;
 996                                                 switch (ACCESS_FBINFO(outputs[i]).src) {
 997                                                         case MATROXFB_SRC_NONE:
 998                                                         case MATROXFB_SRC_CRTC1:
 999                                                                 break;
1000                                                         default:
1001                                                                 return -EBUSY;
1002                                                 }
1003                                         }
1004                                 }
1005                                 if (ACCESS_FBINFO(devflags.panellink)) {
1006                                         if (tmp & MATROXFB_OUTPUT_CONN_DFP) {
1007                                                 if (tmp & MATROXFB_OUTPUT_CONN_SECONDARY)
1008                                                         return -EINVAL;
1009                                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1010                                                         if (ACCESS_FBINFO(outputs[i]).src == MATROXFB_SRC_CRTC2) {
1011                                                                 return -EBUSY;
1012                                                         }
1013                                                 }
1014                                         }
1015                                 }
1016                                 changes = 0;
1017                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1018                                         if (tmp & (1 << i)) {
1019                                                 if (ACCESS_FBINFO(outputs[i]).src != MATROXFB_SRC_CRTC1) {
1020                                                         changes = 1;
1021                                                         ACCESS_FBINFO(outputs[i]).src = MATROXFB_SRC_CRTC1;
1022                                                 }
1023                                         } else if (ACCESS_FBINFO(outputs[i]).src == MATROXFB_SRC_CRTC1) {
1024                                                 changes = 1;
1025                                                 ACCESS_FBINFO(outputs[i]).src = MATROXFB_SRC_NONE;
1026                                         }
1027                                 }
1028                                 if (!changes)
1029                                         return 0;
1030                                 matroxfb_set_par(info);
1031                                 return 0;
1032                         }
1033                 case MATROXFB_GET_OUTPUT_CONNECTION:
1034                         {
1035                                 u_int32_t conn = 0;
1036                                 int i;
1037
1038                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1039                                         if (ACCESS_FBINFO(outputs[i]).src == MATROXFB_SRC_CRTC1) {
1040                                                 conn |= 1 << i;
1041                                         }
1042                                 }
1043                                 if (put_user(conn, (u_int32_t __user *)arg))
1044                                         return -EFAULT;
1045                                 return 0;
1046                         }
1047                 case MATROXFB_GET_AVAILABLE_OUTPUTS:
1048                         {
1049                                 u_int32_t conn = 0;
1050                                 int i;
1051
1052                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1053                                         if (ACCESS_FBINFO(outputs[i]).output) {
1054                                                 switch (ACCESS_FBINFO(outputs[i]).src) {
1055                                                         case MATROXFB_SRC_NONE:
1056                                                         case MATROXFB_SRC_CRTC1:
1057                                                                 conn |= 1 << i;
1058                                                                 break;
1059                                                 }
1060                                         }
1061                                 }
1062                                 if (ACCESS_FBINFO(devflags.panellink)) {
1063                                         if (conn & MATROXFB_OUTPUT_CONN_DFP)
1064                                                 conn &= ~MATROXFB_OUTPUT_CONN_SECONDARY;
1065                                         if (conn & MATROXFB_OUTPUT_CONN_SECONDARY)
1066                                                 conn &= ~MATROXFB_OUTPUT_CONN_DFP;
1067                                 }
1068                                 if (put_user(conn, (u_int32_t __user *)arg))
1069                                         return -EFAULT;
1070                                 return 0;
1071                         }
1072                 case MATROXFB_GET_ALL_OUTPUTS:
1073                         {
1074                                 u_int32_t conn = 0;
1075                                 int i;
1076
1077                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1078                                         if (ACCESS_FBINFO(outputs[i]).output) {
1079                                                 conn |= 1 << i;
1080                                         }
1081                                 }
1082                                 if (put_user(conn, (u_int32_t __user *)arg))
1083                                         return -EFAULT;
1084                                 return 0;
1085                         }
1086                 case VIDIOC_QUERYCAP:
1087                         {
1088                                 struct v4l2_capability r;
1089
1090                                 memset(&r, 0, sizeof(r));
1091                                 strcpy(r.driver, "matroxfb");
1092                                 strcpy(r.card, "Matrox");
1093                                 sprintf(r.bus_info, "PCI:%s", pci_name(ACCESS_FBINFO(pcidev)));
1094                                 r.version = KERNEL_VERSION(1,0,0);
1095                                 r.capabilities = V4L2_CAP_VIDEO_OUTPUT;
1096                                 if (copy_to_user(argp, &r, sizeof(r)))
1097                                         return -EFAULT;
1098                                 return 0;
1099
1100                         }
1101                 case VIDIOC_QUERYCTRL:
1102                         {
1103                                 struct v4l2_queryctrl qctrl;
1104                                 int err;
1105
1106                                 if (copy_from_user(&qctrl, argp, sizeof(qctrl)))
1107                                         return -EFAULT;
1108
1109                                 down_read(&ACCESS_FBINFO(altout).lock);
1110                                 if (!ACCESS_FBINFO(outputs[1]).output) {
1111                                         err = -ENXIO;
1112                                 } else if (ACCESS_FBINFO(outputs[1]).output->getqueryctrl) {
1113                                         err = ACCESS_FBINFO(outputs[1]).output->getqueryctrl(ACCESS_FBINFO(outputs[1]).data, &qctrl);
1114                                 } else {
1115                                         err = -EINVAL;
1116                                 }
1117                                 up_read(&ACCESS_FBINFO(altout).lock);
1118                                 if (err >= 0 &&
1119                                     copy_to_user(argp, &qctrl, sizeof(qctrl)))
1120                                         return -EFAULT;
1121                                 return err;
1122                         }
1123                 case VIDIOC_G_CTRL:
1124                         {
1125                                 struct v4l2_control ctrl;
1126                                 int err;
1127
1128                                 if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
1129                                         return -EFAULT;
1130
1131                                 down_read(&ACCESS_FBINFO(altout).lock);
1132                                 if (!ACCESS_FBINFO(outputs[1]).output) {
1133                                         err = -ENXIO;
1134                                 } else if (ACCESS_FBINFO(outputs[1]).output->getctrl) {
1135                                         err = ACCESS_FBINFO(outputs[1]).output->getctrl(ACCESS_FBINFO(outputs[1]).data, &ctrl);
1136                                 } else {
1137                                         err = -EINVAL;
1138                                 }
1139                                 up_read(&ACCESS_FBINFO(altout).lock);
1140                                 if (err >= 0 &&
1141                                     copy_to_user(argp, &ctrl, sizeof(ctrl)))
1142                                         return -EFAULT;
1143                                 return err;
1144                         }
1145                 case VIDIOC_S_CTRL_OLD:
1146                 case VIDIOC_S_CTRL:
1147                         {
1148                                 struct v4l2_control ctrl;
1149                                 int err;
1150
1151                                 if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
1152                                         return -EFAULT;
1153
1154                                 down_read(&ACCESS_FBINFO(altout).lock);
1155                                 if (!ACCESS_FBINFO(outputs[1]).output) {
1156                                         err = -ENXIO;
1157                                 } else if (ACCESS_FBINFO(outputs[1]).output->setctrl) {
1158                                         err = ACCESS_FBINFO(outputs[1]).output->setctrl(ACCESS_FBINFO(outputs[1]).data, &ctrl);
1159                                 } else {
1160                                         err = -EINVAL;
1161                                 }
1162                                 up_read(&ACCESS_FBINFO(altout).lock);
1163                                 return err;
1164                         }
1165         }
1166         return -ENOTTY;
1167 }
1168
1169 /* 0 unblank, 1 blank, 2 no vsync, 3 no hsync, 4 off */
1170
1171 static int matroxfb_blank(int blank, struct fb_info *info)
1172 {
1173         int seq;
1174         int crtc;
1175         CRITFLAGS
1176         MINFO_FROM_INFO(info);
1177
1178         DBG(__func__)
1179
1180         if (ACCESS_FBINFO(dead))
1181                 return 1;
1182
1183         switch (blank) {
1184         case FB_BLANK_NORMAL:  seq = 0x20; crtc = 0x00; break; /* works ??? */
1185         case FB_BLANK_VSYNC_SUSPEND:  seq = 0x20; crtc = 0x10; break;
1186         case FB_BLANK_HSYNC_SUSPEND:  seq = 0x20; crtc = 0x20; break;
1187         case FB_BLANK_POWERDOWN:  seq = 0x20; crtc = 0x30; break;
1188         default: seq = 0x00; crtc = 0x00; break;
1189         }
1190
1191         CRITBEGIN
1192
1193         mga_outb(M_SEQ_INDEX, 1);
1194         mga_outb(M_SEQ_DATA, (mga_inb(M_SEQ_DATA) & ~0x20) | seq);
1195         mga_outb(M_EXTVGA_INDEX, 1);
1196         mga_outb(M_EXTVGA_DATA, (mga_inb(M_EXTVGA_DATA) & ~0x30) | crtc);
1197
1198         CRITEND
1199         return 0;
1200 }
1201
1202 static struct fb_ops matroxfb_ops = {
1203         .owner =        THIS_MODULE,
1204         .fb_open =      matroxfb_open,
1205         .fb_release =   matroxfb_release,
1206         .fb_check_var = matroxfb_check_var,
1207         .fb_set_par =   matroxfb_set_par,
1208         .fb_setcolreg = matroxfb_setcolreg,
1209         .fb_pan_display =matroxfb_pan_display,
1210         .fb_blank =     matroxfb_blank,
1211         .fb_ioctl =     matroxfb_ioctl,
1212 /*      .fb_fillrect =  <set by matrox_cfbX_init>, */
1213 /*      .fb_copyarea =  <set by matrox_cfbX_init>, */
1214 /*      .fb_imageblit = <set by matrox_cfbX_init>, */
1215 /*      .fb_cursor =    <set by matrox_cfbX_init>, */
1216 };
1217
1218 #define RSDepth(X)      (((X) >> 8) & 0x0F)
1219 #define RS8bpp          0x1
1220 #define RS15bpp         0x2
1221 #define RS16bpp         0x3
1222 #define RS32bpp         0x4
1223 #define RS4bpp          0x5
1224 #define RS24bpp         0x6
1225 #define RSText          0x7
1226 #define RSText8         0x8
1227 /* 9-F */
1228 static struct { struct fb_bitfield red, green, blue, transp; int bits_per_pixel; } colors[] = {
1229         { {  0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, {  0, 0, 0},  8 },
1230         { { 10, 5, 0}, { 5, 5, 0}, { 0, 5, 0}, { 15, 1, 0}, 16 },
1231         { { 11, 5, 0}, { 5, 6, 0}, { 0, 5, 0}, {  0, 0, 0}, 16 },
1232         { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, { 24, 8, 0}, 32 },
1233         { {  0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, {  0, 0, 0},  4 },
1234         { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, {  0, 0, 0}, 24 },
1235         { {  0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, {  0, 0, 0},  0 },       /* textmode with (default) VGA8x16 */
1236         { {  0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, {  0, 0, 0},  0 },       /* textmode hardwired to VGA8x8 */
1237 };
1238
1239 /* initialized by setup, see explanation at end of file (search for MODULE_PARM_DESC) */
1240 static unsigned int mem;                /* "matrox:mem:xxxxxM" */
1241 static int option_precise_width = 1;    /* cannot be changed, option_precise_width==0 must imply noaccel */
1242 static int inv24;                       /* "matrox:inv24" */
1243 static int cross4MB = -1;               /* "matrox:cross4MB" */
1244 static int disabled;                    /* "matrox:disabled" */
1245 static int noaccel;                     /* "matrox:noaccel" */
1246 static int nopan;                       /* "matrox:nopan" */
1247 static int no_pci_retry;                /* "matrox:nopciretry" */
1248 static int novga;                       /* "matrox:novga" */
1249 static int nobios;                      /* "matrox:nobios" */
1250 static int noinit = 1;                  /* "matrox:init" */
1251 static int inverse;                     /* "matrox:inverse" */
1252 static int sgram;                       /* "matrox:sgram" */
1253 #ifdef CONFIG_MTRR
1254 static int mtrr = 1;                    /* "matrox:nomtrr" */
1255 #endif
1256 static int grayscale;                   /* "matrox:grayscale" */
1257 static int dev = -1;                    /* "matrox:dev:xxxxx" */
1258 static unsigned int vesa = ~0;          /* "matrox:vesa:xxxxx" */
1259 static int depth = -1;                  /* "matrox:depth:xxxxx" */
1260 static unsigned int xres;               /* "matrox:xres:xxxxx" */
1261 static unsigned int yres;               /* "matrox:yres:xxxxx" */
1262 static unsigned int upper = ~0;         /* "matrox:upper:xxxxx" */
1263 static unsigned int lower = ~0;         /* "matrox:lower:xxxxx" */
1264 static unsigned int vslen;              /* "matrox:vslen:xxxxx" */
1265 static unsigned int left = ~0;          /* "matrox:left:xxxxx" */
1266 static unsigned int right = ~0;         /* "matrox:right:xxxxx" */
1267 static unsigned int hslen;              /* "matrox:hslen:xxxxx" */
1268 static unsigned int pixclock;           /* "matrox:pixclock:xxxxx" */
1269 static int sync = -1;                   /* "matrox:sync:xxxxx" */
1270 static unsigned int fv;                 /* "matrox:fv:xxxxx" */
1271 static unsigned int fh;                 /* "matrox:fh:xxxxxk" */
1272 static unsigned int maxclk;             /* "matrox:maxclk:xxxxM" */
1273 static int dfp;                         /* "matrox:dfp */
1274 static int dfp_type = -1;               /* "matrox:dfp:xxx */
1275 static int memtype = -1;                /* "matrox:memtype:xxx" */
1276 static char outputs[8];                 /* "matrox:outputs:xxx" */
1277
1278 #ifndef MODULE
1279 static char videomode[64];              /* "matrox:mode:xxxxx" or "matrox:xxxxx" */
1280 #endif
1281
1282 static int matroxfb_getmemory(WPMINFO unsigned int maxSize, unsigned int *realSize){
1283         vaddr_t vm;
1284         unsigned int offs;
1285         unsigned int offs2;
1286         unsigned char orig;
1287         unsigned char bytes[32];
1288         unsigned char* tmp;
1289
1290         DBG(__func__)
1291
1292         vm = ACCESS_FBINFO(video.vbase);
1293         maxSize &= ~0x1FFFFF;   /* must be X*2MB (really it must be 2 or X*4MB) */
1294         /* at least 2MB */
1295         if (maxSize < 0x0200000) return 0;
1296         if (maxSize > 0x2000000) maxSize = 0x2000000;
1297
1298         mga_outb(M_EXTVGA_INDEX, 0x03);
1299         orig = mga_inb(M_EXTVGA_DATA);
1300         mga_outb(M_EXTVGA_DATA, orig | 0x80);
1301
1302         tmp = bytes;
1303         for (offs = 0x100000; offs < maxSize; offs += 0x200000)
1304                 *tmp++ = mga_readb(vm, offs);
1305         for (offs = 0x100000; offs < maxSize; offs += 0x200000)
1306                 mga_writeb(vm, offs, 0x02);
1307         mga_outb(M_CACHEFLUSH, 0x00);
1308         for (offs = 0x100000; offs < maxSize; offs += 0x200000) {
1309                 if (mga_readb(vm, offs) != 0x02)
1310                         break;
1311                 mga_writeb(vm, offs, mga_readb(vm, offs) - 0x02);
1312                 if (mga_readb(vm, offs))
1313                         break;
1314         }
1315         tmp = bytes;
1316         for (offs2 = 0x100000; offs2 < maxSize; offs2 += 0x200000)
1317                 mga_writeb(vm, offs2, *tmp++);
1318
1319         mga_outb(M_EXTVGA_INDEX, 0x03);
1320         mga_outb(M_EXTVGA_DATA, orig);
1321
1322         *realSize = offs - 0x100000;
1323 #ifdef CONFIG_FB_MATROX_MILLENIUM
1324         ACCESS_FBINFO(interleave) = !(!isMillenium(MINFO) || ((offs - 0x100000) & 0x3FFFFF));
1325 #endif
1326         return 1;
1327 }
1328
1329 struct video_board {
1330         int maxvram;
1331         int maxdisplayable;
1332         int accelID;
1333         struct matrox_switch* lowlevel;
1334                  };
1335 #ifdef CONFIG_FB_MATROX_MILLENIUM
1336 static struct video_board vbMillennium          = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGA2064W,      &matrox_millennium};
1337 static struct video_board vbMillennium2         = {0x1000000, 0x0800000, FB_ACCEL_MATROX_MGA2164W,      &matrox_millennium};
1338 static struct video_board vbMillennium2A        = {0x1000000, 0x0800000, FB_ACCEL_MATROX_MGA2164W_AGP,  &matrox_millennium};
1339 #endif  /* CONFIG_FB_MATROX_MILLENIUM */
1340 #ifdef CONFIG_FB_MATROX_MYSTIQUE
1341 static struct video_board vbMystique            = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGA1064SG,     &matrox_mystique};
1342 #endif  /* CONFIG_FB_MATROX_MYSTIQUE */
1343 #ifdef CONFIG_FB_MATROX_G
1344 static struct video_board vbG100                = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGAG100,       &matrox_G100};
1345 static struct video_board vbG200                = {0x1000000, 0x1000000, FB_ACCEL_MATROX_MGAG200,       &matrox_G100};
1346 #ifdef CONFIG_FB_MATROX_32MB
1347 /* from doc it looks like that accelerator can draw only to low 16MB :-( Direct accesses & displaying are OK for
1348    whole 32MB */
1349 static struct video_board vbG400                = {0x2000000, 0x1000000, FB_ACCEL_MATROX_MGAG400,       &matrox_G100};
1350 #else
1351 static struct video_board vbG400                = {0x2000000, 0x1000000, FB_ACCEL_MATROX_MGAG400,       &matrox_G100};
1352 #endif
1353 #endif
1354
1355 #define DEVF_VIDEO64BIT         0x0001
1356 #define DEVF_SWAPS              0x0002
1357 #define DEVF_SRCORG             0x0004
1358 #define DEVF_DUALHEAD           0x0008
1359 #define DEVF_CROSS4MB           0x0010
1360 #define DEVF_TEXT4B             0x0020
1361 /* #define DEVF_recycled        0x0040  */
1362 /* #define DEVF_recycled        0x0080  */
1363 #define DEVF_SUPPORT32MB        0x0100
1364 #define DEVF_ANY_VXRES          0x0200
1365 #define DEVF_TEXT16B            0x0400
1366 #define DEVF_CRTC2              0x0800
1367 #define DEVF_MAVEN_CAPABLE      0x1000
1368 #define DEVF_PANELLINK_CAPABLE  0x2000
1369 #define DEVF_G450DAC            0x4000
1370
1371 #define DEVF_GCORE      (DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB)
1372 #define DEVF_G2CORE     (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_MAVEN_CAPABLE | DEVF_PANELLINK_CAPABLE | DEVF_SRCORG | DEVF_DUALHEAD)
1373 #define DEVF_G100       (DEVF_GCORE) /* no doc, no vxres... */
1374 #define DEVF_G200       (DEVF_G2CORE)
1375 #define DEVF_G400       (DEVF_G2CORE | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2)
1376 /* if you'll find how to drive DFP... */
1377 #define DEVF_G450       (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2 | DEVF_G450DAC | DEVF_SRCORG | DEVF_DUALHEAD)
1378 #define DEVF_G550       (DEVF_G450)
1379
1380 static struct board {
1381         unsigned short vendor, device, rev, svid, sid;
1382         unsigned int flags;
1383         unsigned int maxclk;
1384         enum mga_chip chip;
1385         struct video_board* base;
1386         const char* name;
1387                 } dev_list[] = {
1388 #ifdef CONFIG_FB_MATROX_MILLENIUM
1389         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL,       0xFF,
1390                 0,                      0,
1391                 DEVF_TEXT4B,
1392                 230000,
1393                 MGA_2064,
1394                 &vbMillennium,
1395                 "Millennium (PCI)"},
1396         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2,     0xFF,
1397                 0,                      0,
1398                 DEVF_SWAPS,
1399                 220000,
1400                 MGA_2164,
1401                 &vbMillennium2,
1402                 "Millennium II (PCI)"},
1403         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2_AGP, 0xFF,
1404                 0,                      0,
1405                 DEVF_SWAPS,
1406                 250000,
1407                 MGA_2164,
1408                 &vbMillennium2A,
1409                 "Millennium II (AGP)"},
1410 #endif
1411 #ifdef CONFIG_FB_MATROX_MYSTIQUE
1412         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,       0x02,
1413                 0,                      0,
1414                 DEVF_VIDEO64BIT | DEVF_CROSS4MB,
1415                 180000,
1416                 MGA_1064,
1417                 &vbMystique,
1418                 "Mystique (PCI)"},
1419         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,       0xFF,
1420                 0,                      0,
1421                 DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB,
1422                 220000,
1423                 MGA_1164,
1424                 &vbMystique,
1425                 "Mystique 220 (PCI)"},
1426         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS_AGP,   0x02,
1427                 0,                      0,
1428                 DEVF_VIDEO64BIT | DEVF_CROSS4MB,
1429                 180000,
1430                 MGA_1064,
1431                 &vbMystique,
1432                 "Mystique (AGP)"},
1433         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS_AGP,   0xFF,
1434                 0,                      0,
1435                 DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB,
1436                 220000,
1437                 MGA_1164,
1438                 &vbMystique,
1439                 "Mystique 220 (AGP)"},
1440 #endif
1441 #ifdef CONFIG_FB_MATROX_G
1442         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_MM,   0xFF,
1443                 0,                      0,
1444                 DEVF_G100,
1445                 230000,
1446                 MGA_G100,
1447                 &vbG100,
1448                 "MGA-G100 (PCI)"},
1449         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_AGP,  0xFF,
1450                 0,                      0,
1451                 DEVF_G100,
1452                 230000,
1453                 MGA_G100,
1454                 &vbG100,
1455                 "MGA-G100 (AGP)"},
1456         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_PCI,  0xFF,
1457                 0,                      0,
1458                 DEVF_G200,
1459                 250000,
1460                 MGA_G200,
1461                 &vbG200,
1462                 "MGA-G200 (PCI)"},
1463         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1464                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_GENERIC,
1465                 DEVF_G200,
1466                 220000,
1467                 MGA_G200,
1468                 &vbG200,
1469                 "MGA-G200 (AGP)"},
1470         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1471                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MYSTIQUE_G200_AGP,
1472                 DEVF_G200,
1473                 230000,
1474                 MGA_G200,
1475                 &vbG200,
1476                 "Mystique G200 (AGP)"},
1477         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1478                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MILLENIUM_G200_AGP,
1479                 DEVF_G200,
1480                 250000,
1481                 MGA_G200,
1482                 &vbG200,
1483                 "Millennium G200 (AGP)"},
1484         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1485                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MARVEL_G200_AGP,
1486                 DEVF_G200,
1487                 230000,
1488                 MGA_G200,
1489                 &vbG200,
1490                 "Marvel G200 (AGP)"},
1491         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1492                 PCI_SS_VENDOR_ID_SIEMENS_NIXDORF,       PCI_SS_ID_SIEMENS_MGA_G200_AGP,
1493                 DEVF_G200,
1494                 230000,
1495                 MGA_G200,
1496                 &vbG200,
1497                 "MGA-G200 (AGP)"},
1498         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1499                 0,                      0,
1500                 DEVF_G200,
1501                 230000,
1502                 MGA_G200,
1503                 &vbG200,
1504                 "G200 (AGP)"},
1505         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0x80,
1506                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MILLENNIUM_G400_MAX_AGP,
1507                 DEVF_G400,
1508                 360000,
1509                 MGA_G400,
1510                 &vbG400,
1511                 "Millennium G400 MAX (AGP)"},
1512         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0x80,
1513                 0,                      0,
1514                 DEVF_G400,
1515                 300000,
1516                 MGA_G400,
1517                 &vbG400,
1518                 "G400 (AGP)"},
1519         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0xFF,
1520                 0,                      0,
1521                 DEVF_G450,
1522                 360000,
1523                 MGA_G450,
1524                 &vbG400,
1525                 "G450"},
1526         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G550,      0xFF,
1527                 0,                      0,
1528                 DEVF_G550,
1529                 360000,
1530                 MGA_G550,
1531                 &vbG400,
1532                 "G550"},
1533 #endif
1534         {0,                     0,                              0xFF,
1535                 0,                      0,
1536                 0,
1537                 0,
1538                 0,
1539                 NULL,
1540                 NULL}};
1541
1542 #ifndef MODULE
1543 static struct fb_videomode defaultmode = {
1544         /* 640x480 @ 60Hz, 31.5 kHz */
1545         NULL, 60, 640, 480, 39721, 40, 24, 32, 11, 96, 2,
1546         0, FB_VMODE_NONINTERLACED
1547 };
1548 #endif /* !MODULE */
1549
1550 static int hotplug = 0;
1551
1552 static void setDefaultOutputs(WPMINFO2) {
1553         unsigned int i;
1554         const char* ptr;
1555
1556         ACCESS_FBINFO(outputs[0]).default_src = MATROXFB_SRC_CRTC1;
1557         if (ACCESS_FBINFO(devflags.g450dac)) {
1558                 ACCESS_FBINFO(outputs[1]).default_src = MATROXFB_SRC_CRTC1;
1559                 ACCESS_FBINFO(outputs[2]).default_src = MATROXFB_SRC_CRTC1;
1560         } else if (dfp) {
1561                 ACCESS_FBINFO(outputs[2]).default_src = MATROXFB_SRC_CRTC1;
1562         }
1563         ptr = outputs;
1564         for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1565                 char c = *ptr++;
1566
1567                 if (c == 0) {
1568                         break;
1569                 }
1570                 if (c == '0') {
1571                         ACCESS_FBINFO(outputs[i]).default_src = MATROXFB_SRC_NONE;
1572                 } else if (c == '1') {
1573                         ACCESS_FBINFO(outputs[i]).default_src = MATROXFB_SRC_CRTC1;
1574                 } else if (c == '2' && ACCESS_FBINFO(devflags.crtc2)) {
1575                         ACCESS_FBINFO(outputs[i]).default_src = MATROXFB_SRC_CRTC2;
1576                 } else {
1577                         printk(KERN_ERR "matroxfb: Unknown outputs setting\n");
1578                         break;
1579                 }
1580         }
1581         /* Nullify this option for subsequent adapters */
1582         outputs[0] = 0;
1583 }
1584
1585 static int initMatrox2(WPMINFO struct board* b){
1586         unsigned long ctrlptr_phys = 0;
1587         unsigned long video_base_phys = 0;
1588         unsigned int memsize;
1589         int err;
1590
1591         static struct pci_device_id intel_82437[] = {
1592                 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82437) },
1593                 { },
1594         };
1595
1596         DBG(__func__)
1597
1598         /* set default values... */
1599         vesafb_defined.accel_flags = FB_ACCELF_TEXT;
1600
1601         ACCESS_FBINFO(hw_switch) = b->base->lowlevel;
1602         ACCESS_FBINFO(devflags.accelerator) = b->base->accelID;
1603         ACCESS_FBINFO(max_pixel_clock) = b->maxclk;
1604
1605         printk(KERN_INFO "matroxfb: Matrox %s detected\n", b->name);
1606         ACCESS_FBINFO(capable.plnwt) = 1;
1607         ACCESS_FBINFO(chip) = b->chip;
1608         ACCESS_FBINFO(capable.srcorg) = b->flags & DEVF_SRCORG;
1609         ACCESS_FBINFO(devflags.video64bits) = b->flags & DEVF_VIDEO64BIT;
1610         if (b->flags & DEVF_TEXT4B) {
1611                 ACCESS_FBINFO(devflags.vgastep) = 4;
1612                 ACCESS_FBINFO(devflags.textmode) = 4;
1613                 ACCESS_FBINFO(devflags.text_type_aux) = FB_AUX_TEXT_MGA_STEP16;
1614         } else if (b->flags & DEVF_TEXT16B) {
1615                 ACCESS_FBINFO(devflags.vgastep) = 16;
1616                 ACCESS_FBINFO(devflags.textmode) = 1;
1617                 ACCESS_FBINFO(devflags.text_type_aux) = FB_AUX_TEXT_MGA_STEP16;
1618         } else {
1619                 ACCESS_FBINFO(devflags.vgastep) = 8;
1620                 ACCESS_FBINFO(devflags.textmode) = 1;
1621                 ACCESS_FBINFO(devflags.text_type_aux) = FB_AUX_TEXT_MGA_STEP8;
1622         }
1623 #ifdef CONFIG_FB_MATROX_32MB
1624         ACCESS_FBINFO(devflags.support32MB) = (b->flags & DEVF_SUPPORT32MB) != 0;
1625 #endif
1626         ACCESS_FBINFO(devflags.precise_width) = !(b->flags & DEVF_ANY_VXRES);
1627         ACCESS_FBINFO(devflags.crtc2) = (b->flags & DEVF_CRTC2) != 0;
1628         ACCESS_FBINFO(devflags.maven_capable) = (b->flags & DEVF_MAVEN_CAPABLE) != 0;
1629         ACCESS_FBINFO(devflags.dualhead) = (b->flags & DEVF_DUALHEAD) != 0;
1630         ACCESS_FBINFO(devflags.dfp_type) = dfp_type;
1631         ACCESS_FBINFO(devflags.g450dac) = (b->flags & DEVF_G450DAC) != 0;
1632         ACCESS_FBINFO(devflags.textstep) = ACCESS_FBINFO(devflags.vgastep) * ACCESS_FBINFO(devflags.textmode);
1633         ACCESS_FBINFO(devflags.textvram) = 65536 / ACCESS_FBINFO(devflags.textmode);
1634         setDefaultOutputs(PMINFO2);
1635         if (b->flags & DEVF_PANELLINK_CAPABLE) {
1636                 ACCESS_FBINFO(outputs[2]).data = MINFO;
1637                 ACCESS_FBINFO(outputs[2]).output = &panellink_output;
1638                 ACCESS_FBINFO(outputs[2]).src = ACCESS_FBINFO(outputs[2]).default_src;
1639                 ACCESS_FBINFO(outputs[2]).mode = MATROXFB_OUTPUT_MODE_MONITOR;
1640                 ACCESS_FBINFO(devflags.panellink) = 1;
1641         }
1642
1643         if (ACCESS_FBINFO(capable.cross4MB) < 0)
1644                 ACCESS_FBINFO(capable.cross4MB) = b->flags & DEVF_CROSS4MB;
1645         if (b->flags & DEVF_SWAPS) {
1646                 ctrlptr_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 1);
1647                 video_base_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 0);
1648                 ACCESS_FBINFO(devflags.fbResource) = PCI_BASE_ADDRESS_0;
1649         } else {
1650                 ctrlptr_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 0);
1651                 video_base_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 1);
1652                 ACCESS_FBINFO(devflags.fbResource) = PCI_BASE_ADDRESS_1;
1653         }
1654         err = -EINVAL;
1655         if (!ctrlptr_phys) {
1656                 printk(KERN_ERR "matroxfb: control registers are not available, matroxfb disabled\n");
1657                 goto fail;
1658         }
1659         if (!video_base_phys) {
1660                 printk(KERN_ERR "matroxfb: video RAM is not available in PCI address space, matroxfb disabled\n");
1661                 goto fail;
1662         }
1663         memsize = b->base->maxvram;
1664         if (!request_mem_region(ctrlptr_phys, 16384, "matroxfb MMIO")) {
1665                 goto fail;
1666         }
1667         if (!request_mem_region(video_base_phys, memsize, "matroxfb FB")) {
1668                 goto failCtrlMR;
1669         }
1670         ACCESS_FBINFO(video.len_maximum) = memsize;
1671         /* convert mem (autodetect k, M) */
1672         if (mem < 1024) mem *= 1024;
1673         if (mem < 0x00100000) mem *= 1024;
1674
1675         if (mem && (mem < memsize))
1676                 memsize = mem;
1677         err = -ENOMEM;
1678         if (mga_ioremap(ctrlptr_phys, 16384, MGA_IOREMAP_MMIO, &ACCESS_FBINFO(mmio.vbase))) {
1679                 printk(KERN_ERR "matroxfb: cannot ioremap(%lX, 16384), matroxfb disabled\n", ctrlptr_phys);
1680                 goto failVideoMR;
1681         }
1682         ACCESS_FBINFO(mmio.base) = ctrlptr_phys;
1683         ACCESS_FBINFO(mmio.len) = 16384;
1684         ACCESS_FBINFO(video.base) = video_base_phys;
1685         if (mga_ioremap(video_base_phys, memsize, MGA_IOREMAP_FB, &ACCESS_FBINFO(video.vbase))) {
1686                 printk(KERN_ERR "matroxfb: cannot ioremap(%lX, %d), matroxfb disabled\n",
1687                         video_base_phys, memsize);
1688                 goto failCtrlIO;
1689         }
1690         {
1691                 u_int32_t cmd;
1692                 u_int32_t mga_option;
1693
1694                 pci_read_config_dword(ACCESS_FBINFO(pcidev), PCI_OPTION_REG, &mga_option);
1695                 pci_read_config_dword(ACCESS_FBINFO(pcidev), PCI_COMMAND, &cmd);
1696                 mga_option &= 0x7FFFFFFF; /* clear BIG_ENDIAN */
1697                 mga_option |= MX_OPTION_BSWAP;
1698                 /* disable palette snooping */
1699                 cmd &= ~PCI_COMMAND_VGA_PALETTE;
1700                 if (pci_dev_present(intel_82437)) {
1701                         if (!(mga_option & 0x20000000) && !ACCESS_FBINFO(devflags.nopciretry)) {
1702                                 printk(KERN_WARNING "matroxfb: Disabling PCI retries due to i82437 present\n");
1703                         }
1704                         mga_option |= 0x20000000;
1705                         ACCESS_FBINFO(devflags.nopciretry) = 1;
1706                 }
1707                 pci_write_config_dword(ACCESS_FBINFO(pcidev), PCI_COMMAND, cmd);
1708                 pci_write_config_dword(ACCESS_FBINFO(pcidev), PCI_OPTION_REG, mga_option);
1709                 ACCESS_FBINFO(hw).MXoptionReg = mga_option;
1710
1711                 /* select non-DMA memory for PCI_MGA_DATA, otherwise dump of PCI cfg space can lock PCI bus */
1712                 /* maybe preinit() candidate, but it is same... for all devices... at this time... */
1713                 pci_write_config_dword(ACCESS_FBINFO(pcidev), PCI_MGA_INDEX, 0x00003C00);
1714         }
1715
1716         err = -ENXIO;
1717         matroxfb_read_pins(PMINFO2);
1718         if (ACCESS_FBINFO(hw_switch)->preinit(PMINFO2)) {
1719                 goto failVideoIO;
1720         }
1721
1722         err = -ENOMEM;
1723         if (!matroxfb_getmemory(PMINFO memsize, &ACCESS_FBINFO(video.len)) || !ACCESS_FBINFO(video.len)) {
1724                 printk(KERN_ERR "matroxfb: cannot determine memory size\n");
1725                 goto failVideoIO;
1726         }
1727         ACCESS_FBINFO(devflags.ydstorg) = 0;
1728
1729         ACCESS_FBINFO(video.base) = video_base_phys;
1730         ACCESS_FBINFO(video.len_usable) = ACCESS_FBINFO(video.len);
1731         if (ACCESS_FBINFO(video.len_usable) > b->base->maxdisplayable)
1732                 ACCESS_FBINFO(video.len_usable) = b->base->maxdisplayable;
1733 #ifdef CONFIG_MTRR
1734         if (mtrr) {
1735                 ACCESS_FBINFO(mtrr.vram) = mtrr_add(video_base_phys, ACCESS_FBINFO(video.len), MTRR_TYPE_WRCOMB, 1);
1736                 ACCESS_FBINFO(mtrr.vram_valid) = 1;
1737                 printk(KERN_INFO "matroxfb: MTRR's turned on\n");
1738         }
1739 #endif  /* CONFIG_MTRR */
1740
1741         if (!ACCESS_FBINFO(devflags.novga))
1742                 request_region(0x3C0, 32, "matrox");
1743         matroxfb_g450_connect(PMINFO2);
1744         ACCESS_FBINFO(hw_switch->reset(PMINFO2));
1745
1746         ACCESS_FBINFO(fbcon.monspecs.hfmin) = 0;
1747         ACCESS_FBINFO(fbcon.monspecs.hfmax) = fh;
1748         ACCESS_FBINFO(fbcon.monspecs.vfmin) = 0;
1749         ACCESS_FBINFO(fbcon.monspecs.vfmax) = fv;
1750         ACCESS_FBINFO(fbcon.monspecs.dpms) = 0; /* TBD */
1751
1752         /* static settings */
1753         vesafb_defined.red = colors[depth-1].red;
1754         vesafb_defined.green = colors[depth-1].green;
1755         vesafb_defined.blue = colors[depth-1].blue;
1756         vesafb_defined.bits_per_pixel = colors[depth-1].bits_per_pixel;
1757         vesafb_defined.grayscale = grayscale;
1758         vesafb_defined.vmode = 0;
1759         if (noaccel)
1760                 vesafb_defined.accel_flags &= ~FB_ACCELF_TEXT;
1761
1762         ACCESS_FBINFO(fbops) = matroxfb_ops;
1763         ACCESS_FBINFO(fbcon.fbops) = &ACCESS_FBINFO(fbops);
1764         ACCESS_FBINFO(fbcon.pseudo_palette) = ACCESS_FBINFO(cmap);
1765         /* after __init time we are like module... no logo */
1766         ACCESS_FBINFO(fbcon.flags) = hotplug ? FBINFO_FLAG_MODULE : FBINFO_FLAG_DEFAULT;
1767         ACCESS_FBINFO(fbcon.flags) |= FBINFO_PARTIAL_PAN_OK |    /* Prefer panning for scroll under MC viewer/edit */
1768                                       FBINFO_HWACCEL_COPYAREA |  /* We have hw-assisted bmove */
1769                                       FBINFO_HWACCEL_FILLRECT |  /* And fillrect */
1770                                       FBINFO_HWACCEL_IMAGEBLIT | /* And imageblit */
1771                                       FBINFO_HWACCEL_XPAN |      /* And we support both horizontal */
1772                                       FBINFO_HWACCEL_YPAN;       /* And vertical panning */
1773         ACCESS_FBINFO(video.len_usable) &= PAGE_MASK;
1774         fb_alloc_cmap(&ACCESS_FBINFO(fbcon.cmap), 256, 1);
1775
1776 #ifndef MODULE
1777         /* mode database is marked __init!!! */
1778         if (!hotplug) {
1779                 fb_find_mode(&vesafb_defined, &ACCESS_FBINFO(fbcon), videomode[0]?videomode:NULL,
1780                         NULL, 0, &defaultmode, vesafb_defined.bits_per_pixel);
1781         }
1782 #endif /* !MODULE */
1783
1784         /* mode modifiers */
1785         if (hslen)
1786                 vesafb_defined.hsync_len = hslen;
1787         if (vslen)
1788                 vesafb_defined.vsync_len = vslen;
1789         if (left != ~0)
1790                 vesafb_defined.left_margin = left;
1791         if (right != ~0)
1792                 vesafb_defined.right_margin = right;
1793         if (upper != ~0)
1794                 vesafb_defined.upper_margin = upper;
1795         if (lower != ~0)
1796                 vesafb_defined.lower_margin = lower;
1797         if (xres)
1798                 vesafb_defined.xres = xres;
1799         if (yres)
1800                 vesafb_defined.yres = yres;
1801         if (sync != -1)
1802                 vesafb_defined.sync = sync;
1803         else if (vesafb_defined.sync == ~0) {
1804                 vesafb_defined.sync = 0;
1805                 if (yres < 400)
1806                         vesafb_defined.sync |= FB_SYNC_HOR_HIGH_ACT;
1807                 else if (yres < 480)
1808                         vesafb_defined.sync |= FB_SYNC_VERT_HIGH_ACT;
1809         }
1810
1811         /* fv, fh, maxclk limits was specified */
1812         {
1813                 unsigned int tmp;
1814
1815                 if (fv) {
1816                         tmp = fv * (vesafb_defined.upper_margin + vesafb_defined.yres
1817                                   + vesafb_defined.lower_margin + vesafb_defined.vsync_len);
1818                         if ((tmp < fh) || (fh == 0)) fh = tmp;
1819                 }
1820                 if (fh) {
1821                         tmp = fh * (vesafb_defined.left_margin + vesafb_defined.xres
1822                                   + vesafb_defined.right_margin + vesafb_defined.hsync_len);
1823                         if ((tmp < maxclk) || (maxclk == 0)) maxclk = tmp;
1824                 }
1825                 tmp = (maxclk + 499) / 500;
1826                 if (tmp) {
1827                         tmp = (2000000000 + tmp) / tmp;
1828                         if (tmp > pixclock) pixclock = tmp;
1829                 }
1830         }
1831         if (pixclock) {
1832                 if (pixclock < 2000)            /* > 500MHz */
1833                         pixclock = 4000;        /* 250MHz */
1834                 if (pixclock > 1000000)
1835                         pixclock = 1000000;     /* 1MHz */
1836                 vesafb_defined.pixclock = pixclock;
1837         }
1838
1839         /* FIXME: Where to move this?! */
1840 #if defined(CONFIG_PPC_PMAC)
1841 #ifndef MODULE
1842         if (machine_is(powermac)) {
1843                 struct fb_var_screeninfo var;
1844                 if (default_vmode <= 0 || default_vmode > VMODE_MAX)
1845                         default_vmode = VMODE_640_480_60;
1846 #ifdef CONFIG_NVRAM
1847                 if (default_cmode == CMODE_NVRAM)
1848                         default_cmode = nvram_read_byte(NV_CMODE);
1849 #endif
1850                 if (default_cmode < CMODE_8 || default_cmode > CMODE_32)
1851                         default_cmode = CMODE_8;
1852                 if (!mac_vmode_to_var(default_vmode, default_cmode, &var)) {
1853                         var.accel_flags = vesafb_defined.accel_flags;
1854                         var.xoffset = var.yoffset = 0;
1855                         /* Note: mac_vmode_to_var() does not set all parameters */
1856                         vesafb_defined = var;
1857                 }
1858         }
1859 #endif /* !MODULE */
1860 #endif /* CONFIG_PPC_PMAC */
1861         vesafb_defined.xres_virtual = vesafb_defined.xres;
1862         if (nopan) {
1863                 vesafb_defined.yres_virtual = vesafb_defined.yres;
1864         } else {
1865                 vesafb_defined.yres_virtual = 65536; /* large enough to be INF, but small enough
1866                                                         to yres_virtual * xres_virtual < 2^32 */
1867         }
1868         matroxfb_init_fix(PMINFO2);
1869         ACCESS_FBINFO(fbcon.screen_base) = vaddr_va(ACCESS_FBINFO(video.vbase));
1870         matroxfb_update_fix(PMINFO2);
1871         /* Normalize values (namely yres_virtual) */
1872         matroxfb_check_var(&vesafb_defined, &ACCESS_FBINFO(fbcon));
1873         /* And put it into "current" var. Do NOT program hardware yet, or we'll not take over
1874          * vgacon correctly. fbcon_startup will call fb_set_par for us, WITHOUT check_var,
1875          * and unfortunately it will do it BEFORE vgacon contents is saved, so it won't work
1876          * anyway. But we at least tried... */
1877         ACCESS_FBINFO(fbcon.var) = vesafb_defined;
1878         err = -EINVAL;
1879
1880         printk(KERN_INFO "matroxfb: %dx%dx%dbpp (virtual: %dx%d)\n",
1881                 vesafb_defined.xres, vesafb_defined.yres, vesafb_defined.bits_per_pixel,
1882                 vesafb_defined.xres_virtual, vesafb_defined.yres_virtual);
1883         printk(KERN_INFO "matroxfb: framebuffer at 0x%lX, mapped to 0x%p, size %d\n",
1884                 ACCESS_FBINFO(video.base), vaddr_va(ACCESS_FBINFO(video.vbase)), ACCESS_FBINFO(video.len));
1885
1886 /* We do not have to set currcon to 0... register_framebuffer do it for us on first console
1887  * and we do not want currcon == 0 for subsequent framebuffers */
1888
1889         ACCESS_FBINFO(fbcon).device = &ACCESS_FBINFO(pcidev)->dev;
1890         if (register_framebuffer(&ACCESS_FBINFO(fbcon)) < 0) {
1891                 goto failVideoIO;
1892         }
1893         printk("fb%d: %s frame buffer device\n",
1894                ACCESS_FBINFO(fbcon.node), ACCESS_FBINFO(fbcon.fix.id));
1895
1896         /* there is no console on this fb... but we have to initialize hardware
1897          * until someone tells me what is proper thing to do */
1898         if (!ACCESS_FBINFO(initialized)) {
1899                 printk(KERN_INFO "fb%d: initializing hardware\n",
1900                        ACCESS_FBINFO(fbcon.node));
1901                 /* We have to use FB_ACTIVATE_FORCE, as we had to put vesafb_defined to the fbcon.var
1902                  * already before, so register_framebuffer works correctly. */
1903                 vesafb_defined.activate |= FB_ACTIVATE_FORCE;
1904                 fb_set_var(&ACCESS_FBINFO(fbcon), &vesafb_defined);
1905         }
1906
1907         return 0;
1908 failVideoIO:;
1909         matroxfb_g450_shutdown(PMINFO2);
1910         mga_iounmap(ACCESS_FBINFO(video.vbase));
1911 failCtrlIO:;
1912         mga_iounmap(ACCESS_FBINFO(mmio.vbase));
1913 failVideoMR:;
1914         release_mem_region(video_base_phys, ACCESS_FBINFO(video.len_maximum));
1915 failCtrlMR:;
1916         release_mem_region(ctrlptr_phys, 16384);
1917 fail:;
1918         return err;
1919 }
1920
1921 static LIST_HEAD(matroxfb_list);
1922 static LIST_HEAD(matroxfb_driver_list);
1923
1924 #define matroxfb_l(x) list_entry(x, struct matrox_fb_info, next_fb)
1925 #define matroxfb_driver_l(x) list_entry(x, struct matroxfb_driver, node)
1926 int matroxfb_register_driver(struct matroxfb_driver* drv) {
1927         struct matrox_fb_info* minfo;
1928
1929         list_add(&drv->node, &matroxfb_driver_list);
1930         for (minfo = matroxfb_l(matroxfb_list.next);
1931              minfo != matroxfb_l(&matroxfb_list);
1932              minfo = matroxfb_l(minfo->next_fb.next)) {
1933                 void* p;
1934
1935                 if (minfo->drivers_count == MATROXFB_MAX_FB_DRIVERS)
1936                         continue;
1937                 p = drv->probe(minfo);
1938                 if (p) {
1939                         minfo->drivers_data[minfo->drivers_count] = p;
1940                         minfo->drivers[minfo->drivers_count++] = drv;
1941                 }
1942         }
1943         return 0;
1944 }
1945
1946 void matroxfb_unregister_driver(struct matroxfb_driver* drv) {
1947         struct matrox_fb_info* minfo;
1948
1949         list_del(&drv->node);
1950         for (minfo = matroxfb_l(matroxfb_list.next);
1951              minfo != matroxfb_l(&matroxfb_list);
1952              minfo = matroxfb_l(minfo->next_fb.next)) {
1953                 int i;
1954
1955                 for (i = 0; i < minfo->drivers_count; ) {
1956                         if (minfo->drivers[i] == drv) {
1957                                 if (drv && drv->remove)
1958                                         drv->remove(minfo, minfo->drivers_data[i]);
1959                                 minfo->drivers[i] = minfo->drivers[--minfo->drivers_count];
1960                                 minfo->drivers_data[i] = minfo->drivers_data[minfo->drivers_count];
1961                         } else
1962                                 i++;
1963                 }
1964         }
1965 }
1966
1967 static void matroxfb_register_device(struct matrox_fb_info* minfo) {
1968         struct matroxfb_driver* drv;
1969         int i = 0;
1970         list_add(&ACCESS_FBINFO(next_fb), &matroxfb_list);
1971         for (drv = matroxfb_driver_l(matroxfb_driver_list.next);
1972              drv != matroxfb_driver_l(&matroxfb_driver_list);
1973              drv = matroxfb_driver_l(drv->node.next)) {
1974                 if (drv && drv->probe) {
1975                         void *p = drv->probe(minfo);
1976                         if (p) {
1977                                 minfo->drivers_data[i] = p;
1978                                 minfo->drivers[i++] = drv;
1979                                 if (i == MATROXFB_MAX_FB_DRIVERS)
1980                                         break;
1981                         }
1982                 }
1983         }
1984         minfo->drivers_count = i;
1985 }
1986
1987 static void matroxfb_unregister_device(struct matrox_fb_info* minfo) {
1988         int i;
1989
1990         list_del(&ACCESS_FBINFO(next_fb));
1991         for (i = 0; i < minfo->drivers_count; i++) {
1992                 struct matroxfb_driver* drv = minfo->drivers[i];
1993
1994                 if (drv && drv->remove)
1995                         drv->remove(minfo, minfo->drivers_data[i]);
1996         }
1997 }
1998
1999 static int matroxfb_probe(struct pci_dev* pdev, const struct pci_device_id* dummy) {
2000         struct board* b;
2001         u_int16_t svid;
2002         u_int16_t sid;
2003         struct matrox_fb_info* minfo;
2004         int err;
2005         u_int32_t cmd;
2006 #ifndef CONFIG_FB_MATROX_MULTIHEAD
2007         static int registered = 0;
2008 #endif
2009         DBG(__func__)
2010
2011         svid = pdev->subsystem_vendor;
2012         sid = pdev->subsystem_device;
2013         for (b = dev_list; b->vendor; b++) {
2014                 if ((b->vendor != pdev->vendor) || (b->device != pdev->device) || (b->rev < pdev->revision)) continue;
2015                 if (b->svid)
2016                         if ((b->svid != svid) || (b->sid != sid)) continue;
2017                 break;
2018         }
2019         /* not match... */
2020         if (!b->vendor)
2021                 return -ENODEV;
2022         if (dev > 0) {
2023                 /* not requested one... */
2024                 dev--;
2025                 return -ENODEV;
2026         }
2027         pci_read_config_dword(pdev, PCI_COMMAND, &cmd);
2028         if (pci_enable_device(pdev)) {
2029                 return -1;
2030         }
2031
2032 #ifdef CONFIG_FB_MATROX_MULTIHEAD
2033         minfo = kmalloc(sizeof(*minfo), GFP_KERNEL);
2034         if (!minfo)
2035                 return -1;
2036 #else
2037         if (registered) /* singlehead driver... */
2038                 return -1;
2039         minfo = &matroxfb_global_mxinfo;
2040 #endif
2041         memset(MINFO, 0, sizeof(*MINFO));
2042
2043         ACCESS_FBINFO(pcidev) = pdev;
2044         ACCESS_FBINFO(dead) = 0;
2045         ACCESS_FBINFO(usecount) = 0;
2046         ACCESS_FBINFO(userusecount) = 0;
2047
2048         pci_set_drvdata(pdev, MINFO);
2049         /* DEVFLAGS */
2050         ACCESS_FBINFO(devflags.memtype) = memtype;
2051         if (memtype != -1)
2052                 noinit = 0;
2053         if (cmd & PCI_COMMAND_MEMORY) {
2054                 ACCESS_FBINFO(devflags.novga) = novga;
2055                 ACCESS_FBINFO(devflags.nobios) = nobios;
2056                 ACCESS_FBINFO(devflags.noinit) = noinit;
2057                 /* subsequent heads always needs initialization and must not enable BIOS */
2058                 novga = 1;
2059                 nobios = 1;
2060                 noinit = 0;
2061         } else {
2062                 ACCESS_FBINFO(devflags.novga) = 1;
2063                 ACCESS_FBINFO(devflags.nobios) = 1;
2064                 ACCESS_FBINFO(devflags.noinit) = 0;
2065         }
2066
2067         ACCESS_FBINFO(devflags.nopciretry) = no_pci_retry;
2068         ACCESS_FBINFO(devflags.mga_24bpp_fix) = inv24;
2069         ACCESS_FBINFO(devflags.precise_width) = option_precise_width;
2070         ACCESS_FBINFO(devflags.sgram) = sgram;
2071         ACCESS_FBINFO(capable.cross4MB) = cross4MB;
2072
2073         spin_lock_init(&ACCESS_FBINFO(lock.DAC));
2074         spin_lock_init(&ACCESS_FBINFO(lock.accel));
2075         init_rwsem(&ACCESS_FBINFO(crtc2.lock));
2076         init_rwsem(&ACCESS_FBINFO(altout.lock));
2077         ACCESS_FBINFO(irq_flags) = 0;
2078         init_waitqueue_head(&ACCESS_FBINFO(crtc1.vsync.wait));
2079         init_waitqueue_head(&ACCESS_FBINFO(crtc2.vsync.wait));
2080         ACCESS_FBINFO(crtc1.panpos) = -1;
2081
2082         err = initMatrox2(PMINFO b);
2083         if (!err) {
2084 #ifndef CONFIG_FB_MATROX_MULTIHEAD
2085                 registered = 1;
2086 #endif
2087                 matroxfb_register_device(MINFO);
2088                 return 0;
2089         }
2090 #ifdef CONFIG_FB_MATROX_MULTIHEAD
2091         kfree(minfo);
2092 #endif
2093         return -1;
2094 }
2095
2096 static void pci_remove_matrox(struct pci_dev* pdev) {
2097         struct matrox_fb_info* minfo;
2098
2099         minfo = pci_get_drvdata(pdev);
2100         matroxfb_remove(PMINFO 1);
2101 }
2102
2103 static struct pci_device_id matroxfb_devices[] = {
2104 #ifdef CONFIG_FB_MATROX_MILLENIUM
2105         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL,
2106                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2107         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2,
2108                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2109         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2_AGP,
2110                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2111 #endif
2112 #ifdef CONFIG_FB_MATROX_MYSTIQUE
2113         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,
2114                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2115 #endif
2116 #ifdef CONFIG_FB_MATROX_G
2117         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_MM,
2118                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2119         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_AGP,
2120                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2121         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_PCI,
2122                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2123         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,
2124                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2125         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,
2126                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2127         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G550,
2128                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2129 #endif
2130         {0,                     0,
2131                 0,              0,              0, 0, 0}
2132 };
2133
2134 MODULE_DEVICE_TABLE(pci, matroxfb_devices);
2135
2136
2137 static struct pci_driver matroxfb_driver = {
2138         .name =         "matroxfb",
2139         .id_table =     matroxfb_devices,
2140         .probe =        matroxfb_probe,
2141         .remove =       pci_remove_matrox,
2142 };
2143
2144 /* **************************** init-time only **************************** */
2145
2146 #define RSResolution(X) ((X) & 0x0F)
2147 #define RS640x400       1
2148 #define RS640x480       2
2149 #define RS800x600       3
2150 #define RS1024x768      4
2151 #define RS1280x1024     5
2152 #define RS1600x1200     6
2153 #define RS768x576       7
2154 #define RS960x720       8
2155 #define RS1152x864      9
2156 #define RS1408x1056     10
2157 #define RS640x350       11
2158 #define RS1056x344      12      /* 132 x 43 text */
2159 #define RS1056x400      13      /* 132 x 50 text */
2160 #define RS1056x480      14      /* 132 x 60 text */
2161 #define RSNoxNo         15
2162 /* 10-FF */
2163 static struct { int xres, yres, left, right, upper, lower, hslen, vslen, vfreq; } timmings[] __initdata = {
2164         {  640,  400,  48, 16, 39,  8,  96, 2, 70 },
2165         {  640,  480,  48, 16, 33, 10,  96, 2, 60 },
2166         {  800,  600, 144, 24, 28,  8, 112, 6, 60 },
2167         { 1024,  768, 160, 32, 30,  4, 128, 4, 60 },
2168         { 1280, 1024, 224, 32, 32,  4, 136, 4, 60 },
2169         { 1600, 1200, 272, 48, 32,  5, 152, 5, 60 },
2170         {  768,  576, 144, 16, 28,  6, 112, 4, 60 },
2171         {  960,  720, 144, 24, 28,  8, 112, 4, 60 },
2172         { 1152,  864, 192, 32, 30,  4, 128, 4, 60 },
2173         { 1408, 1056, 256, 40, 32,  5, 144, 5, 60 },
2174         {  640,  350,  48, 16, 39,  8,  96, 2, 70 },
2175         { 1056,  344,  96, 24, 59, 44, 160, 2, 70 },
2176         { 1056,  400,  96, 24, 39,  8, 160, 2, 70 },
2177         { 1056,  480,  96, 24, 36, 12, 160, 3, 60 },
2178         {    0,    0,  ~0, ~0, ~0, ~0,   0, 0,  0 }
2179 };
2180
2181 #define RSCreate(X,Y)   ((X) | ((Y) << 8))
2182 static struct { unsigned int vesa; unsigned int info; } *RSptr, vesamap[] __initdata = {
2183 /* default must be first */
2184         {    ~0, RSCreate(RSNoxNo,     RS8bpp ) },
2185         { 0x101, RSCreate(RS640x480,   RS8bpp ) },
2186         { 0x100, RSCreate(RS640x400,   RS8bpp ) },
2187         { 0x180, RSCreate(RS768x576,   RS8bpp ) },
2188         { 0x103, RSCreate(RS800x600,   RS8bpp ) },
2189         { 0x188, RSCreate(RS960x720,   RS8bpp ) },
2190         { 0x105, RSCreate(RS1024x768,  RS8bpp ) },
2191         { 0x190, RSCreate(RS1152x864,  RS8bpp ) },
2192         { 0x107, RSCreate(RS1280x1024, RS8bpp ) },
2193         { 0x198, RSCreate(RS1408x1056, RS8bpp ) },
2194         { 0x11C, RSCreate(RS1600x1200, RS8bpp ) },
2195         { 0x110, RSCreate(RS640x480,   RS15bpp) },
2196         { 0x181, RSCreate(RS768x576,   RS15bpp) },
2197         { 0x113, RSCreate(RS800x600,   RS15bpp) },
2198         { 0x189, RSCreate(RS960x720,   RS15bpp) },
2199         { 0x116, RSCreate(RS1024x768,  RS15bpp) },
2200         { 0x191, RSCreate(RS1152x864,  RS15bpp) },
2201         { 0x119, RSCreate(RS1280x1024, RS15bpp) },
2202         { 0x199, RSCreate(RS1408x1056, RS15bpp) },
2203         { 0x11D, RSCreate(RS1600x1200, RS15bpp) },
2204         { 0x111, RSCreate(RS640x480,   RS16bpp) },
2205         { 0x182, RSCreate(RS768x576,   RS16bpp) },
2206         { 0x114, RSCreate(RS800x600,   RS16bpp) },
2207         { 0x18A, RSCreate(RS960x720,   RS16bpp) },
2208         { 0x117, RSCreate(RS1024x768,  RS16bpp) },
2209         { 0x192, RSCreate(RS1152x864,  RS16bpp) },
2210         { 0x11A, RSCreate(RS1280x1024, RS16bpp) },
2211         { 0x19A, RSCreate(RS1408x1056, RS16bpp) },
2212         { 0x11E, RSCreate(RS1600x1200, RS16bpp) },
2213         { 0x1B2, RSCreate(RS640x480,   RS24bpp) },
2214         { 0x184, RSCreate(RS768x576,   RS24bpp) },
2215         { 0x1B5, RSCreate(RS800x600,   RS24bpp) },
2216         { 0x18C, RSCreate(RS960x720,   RS24bpp) },
2217         { 0x1B8, RSCreate(RS1024x768,  RS24bpp) },
2218         { 0x194, RSCreate(RS1152x864,  RS24bpp) },
2219         { 0x1BB, RSCreate(RS1280x1024, RS24bpp) },
2220         { 0x19C, RSCreate(RS1408x1056, RS24bpp) },
2221         { 0x1BF, RSCreate(RS1600x1200, RS24bpp) },
2222         { 0x112, RSCreate(RS640x480,   RS32bpp) },
2223         { 0x183, RSCreate(RS768x576,   RS32bpp) },
2224         { 0x115, RSCreate(RS800x600,   RS32bpp) },
2225         { 0x18B, RSCreate(RS960x720,   RS32bpp) },
2226         { 0x118, RSCreate(RS1024x768,  RS32bpp) },
2227         { 0x193, RSCreate(RS1152x864,  RS32bpp) },
2228         { 0x11B, RSCreate(RS1280x1024, RS32bpp) },
2229         { 0x19B, RSCreate(RS1408x1056, RS32bpp) },
2230         { 0x11F, RSCreate(RS1600x1200, RS32bpp) },
2231         { 0x010, RSCreate(RS640x350,   RS4bpp ) },
2232         { 0x012, RSCreate(RS640x480,   RS4bpp ) },
2233         { 0x102, RSCreate(RS800x600,   RS4bpp ) },
2234         { 0x104, RSCreate(RS1024x768,  RS4bpp ) },
2235         { 0x106, RSCreate(RS1280x1024, RS4bpp ) },
2236         {     0, 0                              }};
2237
2238 static void __init matroxfb_init_params(void) {
2239         /* fh from kHz to Hz */
2240         if (fh < 1000)
2241                 fh *= 1000;     /* 1kHz minimum */
2242         /* maxclk */
2243         if (maxclk < 1000) maxclk *= 1000;      /* kHz -> Hz, MHz -> kHz */
2244         if (maxclk < 1000000) maxclk *= 1000;   /* kHz -> Hz, 1MHz minimum */
2245         /* fix VESA number */
2246         if (vesa != ~0)
2247                 vesa &= 0x1DFF;         /* mask out clearscreen, acceleration and so on */
2248
2249         /* static settings */
2250         for (RSptr = vesamap; RSptr->vesa; RSptr++) {
2251                 if (RSptr->vesa == vesa) break;
2252         }
2253         if (!RSptr->vesa) {
2254                 printk(KERN_ERR "Invalid vesa mode 0x%04X\n", vesa);
2255                 RSptr = vesamap;
2256         }
2257         {
2258                 int res = RSResolution(RSptr->info)-1;
2259                 if (left == ~0)
2260                         left = timmings[res].left;
2261                 if (!xres)
2262                         xres = timmings[res].xres;
2263                 if (right == ~0)
2264                         right = timmings[res].right;
2265                 if (!hslen)
2266                         hslen = timmings[res].hslen;
2267                 if (upper == ~0)
2268                         upper = timmings[res].upper;
2269                 if (!yres)
2270                         yres = timmings[res].yres;
2271                 if (lower == ~0)
2272                         lower = timmings[res].lower;
2273                 if (!vslen)
2274                         vslen = timmings[res].vslen;
2275                 if (!(fv||fh||maxclk||pixclock))
2276                         fv = timmings[res].vfreq;
2277                 if (depth == -1)
2278                         depth = RSDepth(RSptr->info);
2279         }
2280 }
2281
2282 static int __init matrox_init(void) {
2283         int err;
2284
2285         matroxfb_init_params();
2286         err = pci_register_driver(&matroxfb_driver);
2287         dev = -1;       /* accept all new devices... */
2288         return err;
2289 }
2290
2291 /* **************************** exit-time only **************************** */
2292
2293 static void __exit matrox_done(void) {
2294         pci_unregister_driver(&matroxfb_driver);
2295 }
2296
2297 #ifndef MODULE
2298
2299 /* ************************* init in-kernel code ************************** */
2300
2301 static int __init matroxfb_setup(char *options) {
2302         char *this_opt;
2303
2304         DBG(__func__)
2305
2306         if (!options || !*options)
2307                 return 0;
2308
2309         while ((this_opt = strsep(&options, ",")) != NULL) {
2310                 if (!*this_opt) continue;
2311
2312                 dprintk("matroxfb_setup: option %s\n", this_opt);
2313
2314                 if (!strncmp(this_opt, "dev:", 4))
2315                         dev = simple_strtoul(this_opt+4, NULL, 0);
2316                 else if (!strncmp(this_opt, "depth:", 6)) {
2317                         switch (simple_strtoul(this_opt+6, NULL, 0)) {
2318                                 case 0: depth = RSText; break;
2319                                 case 4: depth = RS4bpp; break;
2320                                 case 8: depth = RS8bpp; break;
2321                                 case 15:depth = RS15bpp; break;
2322                                 case 16:depth = RS16bpp; break;
2323                                 case 24:depth = RS24bpp; break;
2324                                 case 32:depth = RS32bpp; break;
2325                                 default:
2326                                         printk(KERN_ERR "matroxfb: unsupported color depth\n");
2327                         }
2328                 } else if (!strncmp(this_opt, "xres:", 5))
2329                         xres = simple_strtoul(this_opt+5, NULL, 0);
2330                 else if (!strncmp(this_opt, "yres:", 5))
2331                         yres = simple_strtoul(this_opt+5, NULL, 0);
2332                 else if (!strncmp(this_opt, "vslen:", 6))
2333                         vslen = simple_strtoul(this_opt+6, NULL, 0);
2334                 else if (!strncmp(this_opt, "hslen:", 6))
2335                         hslen = simple_strtoul(this_opt+6, NULL, 0);
2336                 else if (!strncmp(this_opt, "left:", 5))
2337                         left = simple_strtoul(this_opt+5, NULL, 0);
2338                 else if (!strncmp(this_opt, "right:", 6))
2339                         right = simple_strtoul(this_opt+6, NULL, 0);
2340                 else if (!strncmp(this_opt, "upper:", 6))
2341                         upper = simple_strtoul(this_opt+6, NULL, 0);
2342                 else if (!strncmp(this_opt, "lower:", 6))
2343                         lower = simple_strtoul(this_opt+6, NULL, 0);
2344                 else if (!strncmp(this_opt, "pixclock:", 9))
2345                         pixclock = simple_strtoul(this_opt+9, NULL, 0);
2346                 else if (!strncmp(this_opt, "sync:", 5))
2347                         sync = simple_strtoul(this_opt+5, NULL, 0);
2348                 else if (!strncmp(this_opt, "vesa:", 5))
2349                         vesa = simple_strtoul(this_opt+5, NULL, 0);
2350                 else if (!strncmp(this_opt, "maxclk:", 7))
2351                         maxclk = simple_strtoul(this_opt+7, NULL, 0);
2352                 else if (!strncmp(this_opt, "fh:", 3))
2353                         fh = simple_strtoul(this_opt+3, NULL, 0);
2354                 else if (!strncmp(this_opt, "fv:", 3))
2355                         fv = simple_strtoul(this_opt+3, NULL, 0);
2356                 else if (!strncmp(this_opt, "mem:", 4))
2357                         mem = simple_strtoul(this_opt+4, NULL, 0);
2358                 else if (!strncmp(this_opt, "mode:", 5))
2359                         strlcpy(videomode, this_opt+5, sizeof(videomode));
2360                 else if (!strncmp(this_opt, "outputs:", 8))
2361                         strlcpy(outputs, this_opt+8, sizeof(outputs));
2362                 else if (!strncmp(this_opt, "dfp:", 4)) {
2363                         dfp_type = simple_strtoul(this_opt+4, NULL, 0);
2364                         dfp = 1;
2365                 }
2366 #ifdef CONFIG_PPC_PMAC
2367                 else if (!strncmp(this_opt, "vmode:", 6)) {
2368                         unsigned int vmode = simple_strtoul(this_opt+6, NULL, 0);
2369                         if (vmode > 0 && vmode <= VMODE_MAX)
2370                                 default_vmode = vmode;
2371                 } else if (!strncmp(this_opt, "cmode:", 6)) {
2372                         unsigned int cmode = simple_strtoul(this_opt+6, NULL, 0);
2373                         switch (cmode) {
2374                                 case 0:
2375                                 case 8:
2376                                         default_cmode = CMODE_8;
2377                                         break;
2378                                 case 15:
2379                                 case 16:
2380                                         default_cmode = CMODE_16;
2381                                         break;
2382                                 case 24:
2383                                 case 32:
2384                                         default_cmode = CMODE_32;
2385                                         break;
2386                         }
2387                 }
2388 #endif
2389                 else if (!strcmp(this_opt, "disabled")) /* nodisabled does not exist */
2390                         disabled = 1;
2391                 else if (!strcmp(this_opt, "enabled"))  /* noenabled does not exist */
2392                         disabled = 0;
2393                 else if (!strcmp(this_opt, "sgram"))    /* nosgram == sdram */
2394                         sgram = 1;
2395                 else if (!strcmp(this_opt, "sdram"))
2396                         sgram = 0;
2397                 else if (!strncmp(this_opt, "memtype:", 8))
2398                         memtype = simple_strtoul(this_opt+8, NULL, 0);
2399                 else {
2400                         int value = 1;
2401
2402                         if (!strncmp(this_opt, "no", 2)) {
2403                                 value = 0;
2404                                 this_opt += 2;
2405                         }
2406                         if (! strcmp(this_opt, "inverse"))
2407                                 inverse = value;
2408                         else if (!strcmp(this_opt, "accel"))
2409                                 noaccel = !value;
2410                         else if (!strcmp(this_opt, "pan"))
2411                                 nopan = !value;
2412                         else if (!strcmp(this_opt, "pciretry"))
2413                                 no_pci_retry = !value;
2414                         else if (!strcmp(this_opt, "vga"))
2415                                 novga = !value;
2416                         else if (!strcmp(this_opt, "bios"))
2417                                 nobios = !value;
2418                         else if (!strcmp(this_opt, "init"))
2419                                 noinit = !value;
2420 #ifdef CONFIG_MTRR
2421                         else if (!strcmp(this_opt, "mtrr"))
2422                                 mtrr = value;
2423 #endif
2424                         else if (!strcmp(this_opt, "inv24"))
2425                                 inv24 = value;
2426                         else if (!strcmp(this_opt, "cross4MB"))
2427                                 cross4MB = value;
2428                         else if (!strcmp(this_opt, "grayscale"))
2429                                 grayscale = value;
2430                         else if (!strcmp(this_opt, "dfp"))
2431                                 dfp = value;
2432                         else {
2433                                 strlcpy(videomode, this_opt, sizeof(videomode));
2434                         }
2435                 }
2436         }
2437         return 0;
2438 }
2439
2440 static int __initdata initialized = 0;
2441
2442 static int __init matroxfb_init(void)
2443 {
2444         char *option = NULL;
2445         int err = 0;
2446
2447         DBG(__func__)
2448
2449         if (fb_get_options("matroxfb", &option))
2450                 return -ENODEV;
2451         matroxfb_setup(option);
2452
2453         if (disabled)
2454                 return -ENXIO;
2455         if (!initialized) {
2456                 initialized = 1;
2457                 err = matrox_init();
2458         }
2459         hotplug = 1;
2460         /* never return failure, user can hotplug matrox later... */
2461         return err;
2462 }
2463
2464 module_init(matroxfb_init);
2465
2466 #else
2467
2468 /* *************************** init module code **************************** */
2469
2470 MODULE_AUTHOR("(c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>");
2471 MODULE_DESCRIPTION("Accelerated FBDev driver for Matrox Millennium/Mystique/G100/G200/G400/G450/G550");
2472 MODULE_LICENSE("GPL");
2473
2474 module_param(mem, int, 0);
2475 MODULE_PARM_DESC(mem, "Size of available memory in MB, KB or B (2,4,8,12,16MB, default=autodetect)");
2476 module_param(disabled, int, 0);
2477 MODULE_PARM_DESC(disabled, "Disabled (0 or 1=disabled) (default=0)");
2478 module_param(noaccel, int, 0);
2479 MODULE_PARM_DESC(noaccel, "Do not use accelerating engine (0 or 1=disabled) (default=0)");
2480 module_param(nopan, int, 0);
2481 MODULE_PARM_DESC(nopan, "Disable pan on startup (0 or 1=disabled) (default=0)");
2482 module_param(no_pci_retry, int, 0);
2483 MODULE_PARM_DESC(no_pci_retry, "PCI retries enabled (0 or 1=disabled) (default=0)");
2484 module_param(novga, int, 0);
2485 MODULE_PARM_DESC(novga, "VGA I/O (0x3C0-0x3DF) disabled (0 or 1=disabled) (default=0)");
2486 module_param(nobios, int, 0);
2487 MODULE_PARM_DESC(nobios, "Disables ROM BIOS (0 or 1=disabled) (default=do not change BIOS state)");
2488 module_param(noinit, int, 0);
2489 MODULE_PARM_DESC(noinit, "Disables W/SG/SD-RAM and bus interface initialization (0 or 1=do not initialize) (default=0)");
2490 module_param(memtype, int, 0);
2491 MODULE_PARM_DESC(memtype, "Memory type for G200/G400 (see Documentation/fb/matroxfb.txt for explanation) (default=3 for G200, 0 for G400)");
2492 #ifdef CONFIG_MTRR
2493 module_param(mtrr, int, 0);
2494 MODULE_PARM_DESC(mtrr, "This speeds up video memory accesses (0=disabled or 1) (default=1)");
2495 #endif
2496 module_param(sgram, int, 0);
2497 MODULE_PARM_DESC(sgram, "Indicates that G100/G200/G400 has SGRAM memory (0=SDRAM, 1=SGRAM) (default=0)");
2498 module_param(inv24, int, 0);
2499 MODULE_PARM_DESC(inv24, "Inverts clock polarity for 24bpp and loop frequency > 100MHz (default=do not invert polarity)");
2500 module_param(inverse, int, 0);
2501 MODULE_PARM_DESC(inverse, "Inverse (0 or 1) (default=0)");
2502 #ifdef CONFIG_FB_MATROX_MULTIHEAD
2503 module_param(dev, int, 0);
2504 MODULE_PARM_DESC(dev, "Multihead support, attach to device ID (0..N) (default=all working)");
2505 #else
2506 module_param(dev, int, 0);
2507 MODULE_PARM_DESC(dev, "Multihead support, attach to device ID (0..N) (default=first working)");
2508 #endif
2509 module_param(vesa, int, 0);
2510 MODULE_PARM_DESC(vesa, "Startup videomode (0x000-0x1FF) (default=0x101)");
2511 module_param(xres, int, 0);
2512 MODULE_PARM_DESC(xres, "Horizontal resolution (px), overrides xres from vesa (default=vesa)");
2513 module_param(yres, int, 0);
2514 MODULE_PARM_DESC(yres, "Vertical resolution (scans), overrides yres from vesa (default=vesa)");
2515 module_param(upper, int, 0);
2516 MODULE_PARM_DESC(upper, "Upper blank space (scans), overrides upper from vesa (default=vesa)");
2517 module_param(lower, int, 0);
2518 MODULE_PARM_DESC(lower, "Lower blank space (scans), overrides lower from vesa (default=vesa)");
2519 module_param(vslen, int, 0);
2520 MODULE_PARM_DESC(vslen, "Vertical sync length (scans), overrides lower from vesa (default=vesa)");
2521 module_param(left, int, 0);
2522 MODULE_PARM_DESC(left, "Left blank space (px), overrides left from vesa (default=vesa)");
2523 module_param(right, int, 0);
2524 MODULE_PARM_DESC(right, "Right blank space (px), overrides right from vesa (default=vesa)");
2525 module_param(hslen, int, 0);
2526 MODULE_PARM_DESC(hslen, "Horizontal sync length (px), overrides hslen from vesa (default=vesa)");
2527 module_param(pixclock, int, 0);
2528 MODULE_PARM_DESC(pixclock, "Pixelclock (ns), overrides pixclock from vesa (default=vesa)");
2529 module_param(sync, int, 0);
2530 MODULE_PARM_DESC(sync, "Sync polarity, overrides sync from vesa (default=vesa)");
2531 module_param(depth, int, 0);
2532 MODULE_PARM_DESC(depth, "Color depth (0=text,8,15,16,24,32) (default=vesa)");
2533 module_param(maxclk, int, 0);
2534 MODULE_PARM_DESC(maxclk, "Startup maximal clock, 0-999MHz, 1000-999999kHz, 1000000-INF Hz");
2535 module_param(fh, int, 0);
2536 MODULE_PARM_DESC(fh, "Startup horizontal frequency, 0-999kHz, 1000-INF Hz");
2537 module_param(fv, int, 0);
2538 MODULE_PARM_DESC(fv, "Startup vertical frequency, 0-INF Hz\n"
2539 "You should specify \"fv:max_monitor_vsync,fh:max_monitor_hsync,maxclk:max_monitor_dotclock\"\n");
2540 module_param(grayscale, int, 0);
2541 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)");
2542 module_param(cross4MB, int, 0);
2543 MODULE_PARM_DESC(cross4MB, "Specifies that 4MB boundary can be in middle of line. (default=autodetected)");
2544 module_param(dfp, int, 0);
2545 MODULE_PARM_DESC(dfp, "Specifies whether to use digital flat panel interface of G200/G400 (0 or 1) (default=0)");
2546 module_param(dfp_type, int, 0);
2547 MODULE_PARM_DESC(dfp_type, "Specifies DFP interface type (0 to 255) (default=read from hardware)");
2548 module_param_string(outputs, outputs, sizeof(outputs), 0);
2549 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)");
2550 #ifdef CONFIG_PPC_PMAC
2551 module_param_named(vmode, default_vmode, int, 0);
2552 MODULE_PARM_DESC(vmode, "Specify the vmode mode number that should be used (640x480 default)");
2553 module_param_named(cmode, default_cmode, int, 0);
2554 MODULE_PARM_DESC(cmode, "Specify the video depth that should be used (8bit default)");
2555 #endif
2556
2557 int __init init_module(void){
2558
2559         DBG(__func__)
2560
2561         if (disabled)
2562                 return -ENXIO;
2563
2564         if (depth == 0)
2565                 depth = RSText;
2566         else if (depth == 4)
2567                 depth = RS4bpp;
2568         else if (depth == 8)
2569                 depth = RS8bpp;
2570         else if (depth == 15)
2571                 depth = RS15bpp;
2572         else if (depth == 16)
2573                 depth = RS16bpp;
2574         else if (depth == 24)
2575                 depth = RS24bpp;
2576         else if (depth == 32)
2577                 depth = RS32bpp;
2578         else if (depth != -1) {
2579                 printk(KERN_ERR "matroxfb: depth %d is not supported, using default\n", depth);
2580                 depth = -1;
2581         }
2582         matrox_init();
2583         /* never return failure; user can hotplug matrox later... */
2584         return 0;
2585 }
2586 #endif  /* MODULE */
2587
2588 module_exit(matrox_done);
2589 EXPORT_SYMBOL(matroxfb_register_driver);
2590 EXPORT_SYMBOL(matroxfb_unregister_driver);
2591 EXPORT_SYMBOL(matroxfb_wait_for_sync);
2592 EXPORT_SYMBOL(matroxfb_enable_irq);
2593
2594 /*
2595  * Overrides for Emacs so that we follow Linus's tabbing style.
2596  * ---------------------------------------------------------------------------
2597  * Local variables:
2598  * c-basic-offset: 8
2599  * End:
2600  */
2601