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 writting this driver)
  97  *
  98  *               FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk>
  99  *
 100  */
 101
 102 #include <linux/config.h>
 103 #include <linux/version.h>
 104
 105 #define __OLD_VIDIOC_
 106
 107 #include "matroxfb_base.h"
 108 #include "matroxfb_misc.h"
 109 #include "matroxfb_accel.h"
 110 #include "matroxfb_DAC1064.h"
 111 #include "matroxfb_Ti3026.h"
 112 #include "matroxfb_maven.h"
 113 #include "matroxfb_crtc2.h"
 114 #include "matroxfb_g450.h"
 115 #include <linux/matroxfb.h>
 116 #include <linux/interrupt.h>
 117 #include <asm/uaccess.h>
 118
 119 #ifdef CONFIG_PPC_PMAC
 120 #include <asm/machdep.h>
 121 unsigned char nvram_read_byte(int);
 122 static int default_vmode = VMODE_NVRAM;
 123 static int default_cmode = CMODE_NVRAM;
 124 #endif
 125
 126 static void matroxfb_unregister_device(struct matrox_fb_info* minfo);
 127
 128 /* --------------------------------------------------------------------- */
 129
 130 /*
 131  * card parameters
 132  */
 133
 134 /* --------------------------------------------------------------------- */
 135
 136 static struct fb_var_screeninfo vesafb_defined = {
 137         640,480,640,480,/* W,H, W, H (virtual) load xres,xres_virtual*/
 138         0,0,            /* virtual -> visible no offset */
 139         8,              /* depth -> load bits_per_pixel */
 140         0,              /* greyscale ? */
 141         {0,0,0},        /* R */
 142         {0,0,0},        /* G */
 143         {0,0,0},        /* B */
 144         {0,0,0},        /* transparency */
 145         0,              /* standard pixel format */
 146         FB_ACTIVATE_NOW,
 147         -1,-1,
 148         FB_ACCELF_TEXT, /* accel flags */
 149         39721L,48L,16L,33L,10L,
 150         96L,2L,~0,      /* No sync info */
 151         FB_VMODE_NONINTERLACED,
 152         0, {0,0,0,0,0}
 153 };
 154
 155
 156
 157 /* --------------------------------------------------------------------- */
 158 static void update_crtc2(WPMINFO unsigned int pos) {
 159         struct matroxfb_dh_fb_info* info = ACCESS_FBINFO(crtc2.info);
 160
 161         /* Make sure that displays are compatible */
 162         if (info && (info->fbcon.var.bits_per_pixel == ACCESS_FBINFO(fbcon).var.bits_per_pixel)
 163                  && (info->fbcon.var.xres_virtual == ACCESS_FBINFO(fbcon).var.xres_virtual)
 164                  && (info->fbcon.var.green.length == ACCESS_FBINFO(fbcon).var.green.length)
 165                  ) {
 166                 switch (ACCESS_FBINFO(fbcon).var.bits_per_pixel) {
 167                         case 16:
 168                         case 32:
 169                                 pos = pos * 8;
 170                                 if (info->interlaced) {
 171                                         mga_outl(0x3C2C, pos);
 172                                         mga_outl(0x3C28, pos + ACCESS_FBINFO(fbcon).var.xres_virtual * ACCESS_FBINFO(fbcon).var.bits_per_pixel / 8);
 173                                 } else {
 174                                         mga_outl(0x3C28, pos);
 175                                 }
 176                                 break;
 177                 }
 178         }
 179 }
 180
 181 static void matroxfb_crtc1_panpos(WPMINFO2) {
 182         if (ACCESS_FBINFO(crtc1.panpos) >= 0) {
 183                 unsigned long flags;
 184                 int panpos;
 185
 186                 matroxfb_DAC_lock_irqsave(flags);
 187                 panpos = ACCESS_FBINFO(crtc1.panpos);
 188                 if (panpos >= 0) {
 189                         unsigned int extvga_reg;
 190
 191                         ACCESS_FBINFO(crtc1.panpos) = -1; /* No update pending anymore */
 192                         extvga_reg = mga_inb(M_EXTVGA_INDEX);
 193                         mga_setr(M_EXTVGA_INDEX, 0x00, panpos);
 194                         if (extvga_reg != 0x00) {
 195                                 mga_outb(M_EXTVGA_INDEX, extvga_reg);
 196                         }
 197                 }
 198                 matroxfb_DAC_unlock_irqrestore(flags);
 199         }
 200 }
 201
 202 static irqreturn_t matrox_irq(int irq, void *dev_id, struct pt_regs *fp)
 203 {
 204         u_int32_t status;
 205         int handled = 0;
 206
 207         MINFO_FROM(dev_id);
 208
 209         status = mga_inl(M_STATUS);
 210
 211         if (status & 0x20) {
 212                 mga_outl(M_ICLEAR, 0x20);
 213                 ACCESS_FBINFO(crtc1.vsync.cnt)++;
 214                 matroxfb_crtc1_panpos(PMINFO2);
 215                 wake_up_interruptible(&ACCESS_FBINFO(crtc1.vsync.wait));
 216                 handled = 1;
 217         }
 218         if (status & 0x200) {
 219                 mga_outl(M_ICLEAR, 0x200);
 220                 ACCESS_FBINFO(crtc2.vsync.cnt)++;
 221                 wake_up_interruptible(&ACCESS_FBINFO(crtc2.vsync.wait));
 222                 handled = 1;
 223         }
 224         return IRQ_RETVAL(handled);
 225 }
 226
 227 int matroxfb_enable_irq(WPMINFO int reenable) {
 228         u_int32_t bm;
 229
 230         if (ACCESS_FBINFO(devflags.accelerator) == FB_ACCEL_MATROX_MGAG400)
 231                 bm = 0x220;
 232         else
 233                 bm = 0x020;
 234
 235         if (!test_and_set_bit(0, &ACCESS_FBINFO(irq_flags))) {
 236                 if (request_irq(ACCESS_FBINFO(pcidev)->irq, matrox_irq,
 237                                 SA_SHIRQ, "matroxfb", MINFO)) {
 238                         clear_bit(0, &ACCESS_FBINFO(irq_flags));
 239                         return -EINVAL;
 240                 }
 241                 /* Clear any pending field interrupts */
 242                 mga_outl(M_ICLEAR, bm);
 243                 mga_outl(M_IEN, mga_inl(M_IEN) | bm);
 244         } else if (reenable) {
 245                 u_int32_t ien;
 246
 247                 ien = mga_inl(M_IEN);
 248                 if ((ien & bm) != bm) {
 249                         printk(KERN_DEBUG "matroxfb: someone disabled IRQ [%08X]\n", ien);
 250                         mga_outl(M_IEN, ien | bm);
 251                 }
 252         }
 253         return 0;
 254 }
 255
 256 static void matroxfb_disable_irq(WPMINFO2) {
 257         if (test_and_clear_bit(0, &ACCESS_FBINFO(irq_flags))) {
 258                 /* Flush pending pan-at-vbl request... */
 259                 matroxfb_crtc1_panpos(PMINFO2);
 260                 if (ACCESS_FBINFO(devflags.accelerator) == FB_ACCEL_MATROX_MGAG400)
 261                         mga_outl(M_IEN, mga_inl(M_IEN) & ~0x220);
 262                 else
 263                         mga_outl(M_IEN, mga_inl(M_IEN) & ~0x20);
 264                 free_irq(ACCESS_FBINFO(pcidev)->irq, MINFO);
 265         }
 266 }
 267
 268 int matroxfb_wait_for_sync(WPMINFO u_int32_t crtc) {
 269         struct matrox_vsync *vs;
 270         unsigned int cnt;
 271         int ret;
 272
 273         switch (crtc) {
 274                 case 0:
 275                         vs = &ACCESS_FBINFO(crtc1.vsync);
 276                         break;
 277                 case 1:
 278                         if (ACCESS_FBINFO(devflags.accelerator) != FB_ACCEL_MATROX_MGAG400) {
 279                                 return -ENODEV;
 280                         }
 281                         vs = &ACCESS_FBINFO(crtc2.vsync);
 282                         break;
 283                 default:
 284                         return -ENODEV;
 285         }
 286         ret = matroxfb_enable_irq(PMINFO 0);
 287         if (ret) {
 288                 return ret;
 289         }
 290
 291         cnt = vs->cnt;
 292         ret = wait_event_interruptible_timeout(vs->wait, cnt != vs->cnt, HZ/10);
 293         if (ret < 0) {
 294                 return ret;
 295         }
 296         if (ret == 0) {
 297                 matroxfb_enable_irq(PMINFO 1);
 298                 return -ETIMEDOUT;
 299         }
 300         return 0;
 301 }
 302
 303 /* --------------------------------------------------------------------- */
 304
 305 static void matrox_pan_var(WPMINFO struct fb_var_screeninfo *var) {
 306         unsigned int pos;
 307         unsigned short p0, p1, p2;
 308 #ifdef CONFIG_FB_MATROX_32MB
 309         unsigned int p3;
 310 #endif
 311         int vbl;
 312         unsigned long flags;
 313
 314         CRITFLAGS
 315
 316         DBG(__FUNCTION__)
 317
 318         if (ACCESS_FBINFO(dead))
 319                 return;
 320
 321         ACCESS_FBINFO(fbcon).var.xoffset = var->xoffset;
 322         ACCESS_FBINFO(fbcon).var.yoffset = var->yoffset;
 323         pos = (ACCESS_FBINFO(fbcon).var.yoffset * ACCESS_FBINFO(fbcon).var.xres_virtual + ACCESS_FBINFO(fbcon).var.xoffset) * ACCESS_FBINFO(curr.final_bppShift) / 32;
 324         pos += ACCESS_FBINFO(curr.ydstorg.chunks);
 325         p0 = ACCESS_FBINFO(hw).CRTC[0x0D] = pos & 0xFF;
 326         p1 = ACCESS_FBINFO(hw).CRTC[0x0C] = (pos & 0xFF00) >> 8;
 327         p2 = ACCESS_FBINFO(hw).CRTCEXT[0] = (ACCESS_FBINFO(hw).CRTCEXT[0] & 0xB0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
 328 #ifdef CONFIG_FB_MATROX_32MB
 329         p3 = ACCESS_FBINFO(hw).CRTCEXT[8] = pos >> 21;
 330 #endif
 331
 332         /* FB_ACTIVATE_VBL and we can acquire interrupts? Honor FB_ACTIVATE_VBL then... */
 333         vbl = (var->activate & FB_ACTIVATE_VBL) && (matroxfb_enable_irq(PMINFO 0) == 0);
 334
 335         CRITBEGIN
 336
 337         matroxfb_DAC_lock_irqsave(flags);
 338         mga_setr(M_CRTC_INDEX, 0x0D, p0);
 339         mga_setr(M_CRTC_INDEX, 0x0C, p1);
 340 #ifdef CONFIG_FB_MATROX_32MB
 341         if (ACCESS_FBINFO(devflags.support32MB))
 342                 mga_setr(M_EXTVGA_INDEX, 0x08, p3);
 343 #endif
 344         if (vbl) {
 345                 ACCESS_FBINFO(crtc1.panpos) = p2;
 346         } else {
 347                 /* Abort any pending change */
 348                 ACCESS_FBINFO(crtc1.panpos) = -1;
 349                 mga_setr(M_EXTVGA_INDEX, 0x00, p2);
 350         }
 351         matroxfb_DAC_unlock_irqrestore(flags);
 352
 353         update_crtc2(PMINFO pos);
 354
 355         CRITEND
 356 }
 357
 358 static void matroxfb_remove(WPMINFO int dummy) {
 359         /* Currently we are holding big kernel lock on all dead & usecount updates.
 360          * Destroy everything after all users release it. Especially do not unregister
 361          * framebuffer and iounmap memory, neither fbmem nor fbcon-cfb* does not check
 362          * for device unplugged when in use.
 363          * In future we should point mmio.vbase & video.vbase somewhere where we can
 364          * write data without causing too much damage...
 365          */
 366
 367         ACCESS_FBINFO(dead) = 1;
 368         if (ACCESS_FBINFO(usecount)) {
 369                 /* destroy it later */
 370                 return;
 371         }
 372         matroxfb_unregister_device(MINFO);
 373         unregister_framebuffer(&ACCESS_FBINFO(fbcon));
 374         matroxfb_g450_shutdown(PMINFO2);
 375 #ifdef CONFIG_MTRR
 376         if (ACCESS_FBINFO(mtrr.vram_valid))
 377                 mtrr_del(ACCESS_FBINFO(mtrr.vram), ACCESS_FBINFO(video.base), ACCESS_FBINFO(video.len));
 378 #endif
 379         mga_iounmap(ACCESS_FBINFO(mmio.vbase));
 380         mga_iounmap(ACCESS_FBINFO(video.vbase));
 381         release_mem_region(ACCESS_FBINFO(video.base), ACCESS_FBINFO(video.len_maximum));
 382         release_mem_region(ACCESS_FBINFO(mmio.base), 16384);
 383 #ifdef CONFIG_FB_MATROX_MULTIHEAD
 384         kfree(minfo);
 385 #endif
 386 }
 387
 388         /*
 389          * Open/Release the frame buffer device
 390          */
 391
 392 static int matroxfb_open(struct fb_info *info, int user)
 393 {
 394         MINFO_FROM_INFO(info);
 395
 396         DBG_LOOP(__FUNCTION__)
 397
 398         if (ACCESS_FBINFO(dead)) {
 399                 return -ENXIO;
 400         }
 401         ACCESS_FBINFO(usecount)++;
 402         if (user) {
 403                 ACCESS_FBINFO(userusecount)++;
 404         }
 405         return(0);
 406 }
 407
 408 static int matroxfb_release(struct fb_info *info, int user)
 409 {
 410         MINFO_FROM_INFO(info);
 411
 412         DBG_LOOP(__FUNCTION__)
 413
 414         if (user) {
 415                 if (0 == --ACCESS_FBINFO(userusecount)) {
 416                         matroxfb_disable_irq(PMINFO2);
 417                 }
 418         }
 419         if (!(--ACCESS_FBINFO(usecount)) && ACCESS_FBINFO(dead)) {
 420                 matroxfb_remove(PMINFO 0);
 421         }
 422         return(0);
 423 }
 424
 425 static int matroxfb_pan_display(struct fb_var_screeninfo *var,
 426                 struct fb_info* info) {
 427         MINFO_FROM_INFO(info);
 428
 429         DBG(__FUNCTION__)
 430
 431         matrox_pan_var(PMINFO var);
 432         return 0;
 433 }
 434
 435 static int matroxfb_get_final_bppShift(CPMINFO int bpp) {
 436         int bppshft2;
 437
 438         DBG(__FUNCTION__)
 439
 440         bppshft2 = bpp;
 441         if (!bppshft2) {
 442                 return 8;
 443         }
 444         if (isInterleave(MINFO))
 445                 bppshft2 >>= 1;
 446         if (ACCESS_FBINFO(devflags.video64bits))
 447                 bppshft2 >>= 1;
 448         return bppshft2;
 449 }
 450
 451 static int matroxfb_test_and_set_rounding(CPMINFO int xres, int bpp) {
 452         int over;
 453         int rounding;
 454
 455         DBG(__FUNCTION__)
 456
 457         switch (bpp) {
 458                 case 0:         return xres;
 459                 case 4:         rounding = 128;
 460                                 break;
 461                 case 8:         rounding = 64;  /* doc says 64; 32 is OK for G400 */
 462                                 break;
 463                 case 16:        rounding = 32;
 464                                 break;
 465                 case 24:        rounding = 64;  /* doc says 64; 32 is OK for G400 */
 466                                 break;
 467                 default:        rounding = 16;
 468                                 /* on G400, 16 really does not work */
 469                                 if (ACCESS_FBINFO(devflags.accelerator) == FB_ACCEL_MATROX_MGAG400)
 470                                         rounding = 32;
 471                                 break;
 472         }
 473         if (isInterleave(MINFO)) {
 474                 rounding *= 2;
 475         }
 476         over = xres % rounding;
 477         if (over)
 478                 xres += rounding-over;
 479         return xres;
 480 }
 481
 482 static int matroxfb_pitch_adjust(CPMINFO int xres, int bpp) {
 483         const int* width;
 484         int xres_new;
 485
 486         DBG(__FUNCTION__)
 487
 488         if (!bpp) return xres;
 489
 490         width = ACCESS_FBINFO(capable.vxres);
 491
 492         if (ACCESS_FBINFO(devflags.precise_width)) {
 493                 while (*width) {
 494                         if ((*width >= xres) && (matroxfb_test_and_set_rounding(PMINFO *width, bpp) == *width)) {
 495                                 break;
 496                         }
 497                         width++;
 498                 }
 499                 xres_new = *width;
 500         } else {
 501                 xres_new = matroxfb_test_and_set_rounding(PMINFO xres, bpp);
 502         }
 503         return xres_new;
 504 }
 505
 506 static int matroxfb_get_cmap_len(struct fb_var_screeninfo *var) {
 507
 508         DBG(__FUNCTION__)
 509
 510         switch (var->bits_per_pixel) {
 511                 case 4:
 512                         return 16;      /* pseudocolor... 16 entries HW palette */
 513                 case 8:
 514                         return 256;     /* pseudocolor... 256 entries HW palette */
 515                 case 16:
 516                         return 16;      /* directcolor... 16 entries SW palette */
 517                                         /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 518                 case 24:
 519                         return 16;      /* directcolor... 16 entries SW palette */
 520                                         /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 521                 case 32:
 522                         return 16;      /* directcolor... 16 entries SW palette */
 523                                         /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 524         }
 525         return 16;      /* return something reasonable... or panic()? */
 526 }
 527
 528 static int matroxfb_decode_var(CPMINFO struct fb_var_screeninfo *var, int *visual, int *video_cmap_len, unsigned int* ydstorg) {
 529         struct RGBT {
 530                 unsigned char bpp;
 531                 struct {
 532                         unsigned char offset,
 533                                       length;
 534                 } red,
 535                   green,
 536                   blue,
 537                   transp;
 538                 signed char visual;
 539         };
 540         static const struct RGBT table[]= {
 541                 { 8,{ 0,8},{0,8},{0,8},{ 0,0},MX_VISUAL_PSEUDOCOLOR},
 542                 {15,{10,5},{5,5},{0,5},{15,1},MX_VISUAL_DIRECTCOLOR},
 543                 {16,{11,5},{5,6},{0,5},{ 0,0},MX_VISUAL_DIRECTCOLOR},
 544                 {24,{16,8},{8,8},{0,8},{ 0,0},MX_VISUAL_DIRECTCOLOR},
 545                 {32,{16,8},{8,8},{0,8},{24,8},MX_VISUAL_DIRECTCOLOR}
 546         };
 547         struct RGBT const *rgbt;
 548         unsigned int bpp = var->bits_per_pixel;
 549         unsigned int vramlen;
 550         unsigned int memlen;
 551
 552         DBG(__FUNCTION__)
 553
 554         switch (bpp) {
 555                 case 4:  if (!ACCESS_FBINFO(capable.cfb4)) return -EINVAL;
 556                          break;
 557                 case 8:  break;
 558                 case 16: break;
 559                 case 24: break;
 560                 case 32: break;
 561                 default: return -EINVAL;
 562         }
 563         *ydstorg = 0;
 564         vramlen = ACCESS_FBINFO(video.len_usable);
 565         if (var->yres_virtual < var->yres)
 566                 var->yres_virtual = var->yres;
 567         if (var->xres_virtual < var->xres)
 568                 var->xres_virtual = var->xres;
 569
 570         var->xres_virtual = matroxfb_pitch_adjust(PMINFO var->xres_virtual, bpp);
 571         memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
 572         if (memlen > vramlen) {
 573                 var->yres_virtual = vramlen * 8 / (var->xres_virtual * bpp);
 574                 memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
 575         }
 576         /* There is hardware bug that no line can cross 4MB boundary */
 577         /* give up for CFB24, it is impossible to easy workaround it */
 578         /* for other try to do something */
 579         if (!ACCESS_FBINFO(capable.cross4MB) && (memlen > 0x400000)) {
 580                 if (bpp == 24) {
 581                         /* sorry */
 582                 } else {
 583                         unsigned int linelen;
 584                         unsigned int m1 = linelen = var->xres_virtual * bpp / 8;
 585                         unsigned int m2 = PAGE_SIZE;    /* or 128 if you do not need PAGE ALIGNED address */
 586                         unsigned int max_yres;
 587
 588                         while (m1) {
 589                                 int t;
 590
 591                                 while (m2 >= m1) m2 -= m1;
 592                                 t = m1;
 593                                 m1 = m2;
 594                                 m2 = t;
 595                         }
 596                         m2 = linelen * PAGE_SIZE / m2;
 597                         *ydstorg = m2 = 0x400000 % m2;
 598                         max_yres = (vramlen - m2) / linelen;
 599                         if (var->yres_virtual > max_yres)
 600                                 var->yres_virtual = max_yres;
 601                 }
 602         }
 603         /* YDSTLEN contains only signed 16bit value */
 604         if (var->yres_virtual > 32767)
 605                 var->yres_virtual = 32767;
 606         /* we must round yres/xres down, we already rounded y/xres_virtual up
 607            if it was possible. We should return -EINVAL, but I disagree */
 608         if (var->yres_virtual < var->yres)
 609                 var->yres = var->yres_virtual;
 610         if (var->xres_virtual < var->xres)
 611                 var->xres = var->xres_virtual;
 612         if (var->xoffset + var->xres > var->xres_virtual)
 613                 var->xoffset = var->xres_virtual - var->xres;
 614         if (var->yoffset + var->yres > var->yres_virtual)
 615                 var->yoffset = var->yres_virtual - var->yres;
 616
 617         if (bpp == 16 && var->green.length == 5) {
 618                 bpp--; /* an artifical value - 15 */
 619         }
 620
 621         for (rgbt = table; rgbt->bpp < bpp; rgbt++);
 622 #define SETCLR(clr)\
 623         var->clr.offset = rgbt->clr.offset;\
 624         var->clr.length = rgbt->clr.length
 625         SETCLR(red);
 626         SETCLR(green);
 627         SETCLR(blue);
 628         SETCLR(transp);
 629 #undef  SETCLR
 630         *visual = rgbt->visual;
 631
 632         if (bpp > 8)
 633                 dprintk("matroxfb: truecolor: "
 634                         "size=%d:%d:%d:%d, shift=%d:%d:%d:%d\n",
 635                         var->transp.length, var->red.length, var->green.length, var->blue.length,
 636                         var->transp.offset, var->red.offset, var->green.offset, var->blue.offset);
 637
 638         *video_cmap_len = matroxfb_get_cmap_len(var);
 639         dprintk(KERN_INFO "requested %d*%d/%dbpp (%d*%d)\n", var->xres, var->yres, var->bits_per_pixel,
 640                                 var->xres_virtual, var->yres_virtual);
 641         return 0;
 642 }
 643
 644 static int matroxfb_setcolreg(unsigned regno, unsigned red, unsigned green,
 645                               unsigned blue, unsigned transp,
 646                               struct fb_info *fb_info)
 647 {
 648 #ifdef CONFIG_FB_MATROX_MULTIHEAD
 649         struct matrox_fb_info* minfo = container_of(fb_info, struct matrox_fb_info, fbcon);
 650 #endif
 651
 652         DBG(__FUNCTION__)
 653
 654         /*
 655          *  Set a single color register. The values supplied are
 656          *  already rounded down to the hardware's capabilities
 657          *  (according to the entries in the `var' structure). Return
 658          *  != 0 for invalid regno.
 659          */
 660
 661         if (regno >= ACCESS_FBINFO(curr.cmap_len))
 662                 return 1;
 663
 664         if (ACCESS_FBINFO(fbcon).var.grayscale) {
 665                 /* gray = 0.30*R + 0.59*G + 0.11*B */
 666                 red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
 667         }
 668
 669         red = CNVT_TOHW(red, ACCESS_FBINFO(fbcon).var.red.length);
 670         green = CNVT_TOHW(green, ACCESS_FBINFO(fbcon).var.green.length);
 671         blue = CNVT_TOHW(blue, ACCESS_FBINFO(fbcon).var.blue.length);
 672         transp = CNVT_TOHW(transp, ACCESS_FBINFO(fbcon).var.transp.length);
 673
 674         switch (ACCESS_FBINFO(fbcon).var.bits_per_pixel) {
 675         case 4:
 676         case 8:
 677                 mga_outb(M_DAC_REG, regno);
 678                 mga_outb(M_DAC_VAL, red);
 679                 mga_outb(M_DAC_VAL, green);
 680                 mga_outb(M_DAC_VAL, blue);
 681                 break;
 682         case 16:
 683                 {
 684                         u_int16_t col =
 685                                 (red << ACCESS_FBINFO(fbcon).var.red.offset)     |
 686                                 (green << ACCESS_FBINFO(fbcon).var.green.offset) |
 687                                 (blue << ACCESS_FBINFO(fbcon).var.blue.offset)   |
 688                                 (transp << ACCESS_FBINFO(fbcon).var.transp.offset); /* for 1:5:5:5 */
 689                         ACCESS_FBINFO(cmap[regno]) = col | (col << 16);
 690                 }
 691                 break;
 692         case 24:
 693         case 32:
 694                 ACCESS_FBINFO(cmap[regno]) =
 695                         (red   << ACCESS_FBINFO(fbcon).var.red.offset)   |
 696                         (green << ACCESS_FBINFO(fbcon).var.green.offset) |
 697                         (blue  << ACCESS_FBINFO(fbcon).var.blue.offset)  |
 698                         (transp << ACCESS_FBINFO(fbcon).var.transp.offset);     /* 8:8:8:8 */
 699                 break;
 700         }
 701         return 0;
 702 }
 703
 704 static void matroxfb_init_fix(WPMINFO2)
 705 {
 706         struct fb_fix_screeninfo *fix = &ACCESS_FBINFO(fbcon).fix;
 707         DBG(__FUNCTION__)
 708
 709         strcpy(fix->id,"MATROX");
 710
 711         fix->xpanstep = 8;      /* 8 for 8bpp, 4 for 16bpp, 2 for 32bpp */
 712         fix->ypanstep = 1;
 713         fix->ywrapstep = 0;
 714         fix->mmio_start = ACCESS_FBINFO(mmio.base);
 715         fix->mmio_len = ACCESS_FBINFO(mmio.len);
 716         fix->accel = ACCESS_FBINFO(devflags.accelerator);
 717 }
 718
 719 static void matroxfb_update_fix(WPMINFO2)
 720 {
 721         struct fb_fix_screeninfo *fix = &ACCESS_FBINFO(fbcon).fix;
 722         DBG(__FUNCTION__)
 723
 724         fix->smem_start = ACCESS_FBINFO(video.base) + ACCESS_FBINFO(curr.ydstorg.bytes);
 725         fix->smem_len = ACCESS_FBINFO(video.len_usable) - ACCESS_FBINFO(curr.ydstorg.bytes);
 726 }
 727
 728 static int matroxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 729 {
 730         int err;
 731         int visual;
 732         int cmap_len;
 733         unsigned int ydstorg;
 734         MINFO_FROM_INFO(info);
 735
 736         if (ACCESS_FBINFO(dead)) {
 737                 return -ENXIO;
 738         }
 739         if ((err = matroxfb_decode_var(PMINFO var, &visual, &cmap_len, &ydstorg)) != 0)
 740                 return err;
 741         return 0;
 742 }
 743
 744 static int matroxfb_set_par(struct fb_info *info)
 745 {
 746         int err;
 747         int visual;
 748         int cmap_len;
 749         unsigned int ydstorg;
 750         struct fb_var_screeninfo *var;
 751         MINFO_FROM_INFO(info);
 752
 753         DBG(__FUNCTION__)
 754
 755         if (ACCESS_FBINFO(dead)) {
 756                 return -ENXIO;
 757         }
 758
 759         var = &info->var;
 760         if ((err = matroxfb_decode_var(PMINFO var, &visual, &cmap_len, &ydstorg)) != 0)
 761                 return err;
 762         ACCESS_FBINFO(fbcon.screen_base) = vaddr_va(ACCESS_FBINFO(video.vbase)) + ydstorg;
 763         matroxfb_update_fix(PMINFO2);
 764         ACCESS_FBINFO(fbcon).fix.visual = visual;
 765         ACCESS_FBINFO(fbcon).fix.type = FB_TYPE_PACKED_PIXELS;
 766         ACCESS_FBINFO(fbcon).fix.type_aux = 0;
 767         ACCESS_FBINFO(fbcon).fix.line_length = (var->xres_virtual * var->bits_per_pixel) >> 3;
 768         {
 769                 unsigned int pos;
 770
 771                 ACCESS_FBINFO(curr.cmap_len) = cmap_len;
 772                 ydstorg += ACCESS_FBINFO(devflags.ydstorg);
 773                 ACCESS_FBINFO(curr.ydstorg.bytes) = ydstorg;
 774                 ACCESS_FBINFO(curr.ydstorg.chunks) = ydstorg >> (isInterleave(MINFO)?3:2);
 775                 if (var->bits_per_pixel == 4)
 776                         ACCESS_FBINFO(curr.ydstorg.pixels) = ydstorg;
 777                 else
 778                         ACCESS_FBINFO(curr.ydstorg.pixels) = (ydstorg * 8) / var->bits_per_pixel;
 779                 ACCESS_FBINFO(curr.final_bppShift) = matroxfb_get_final_bppShift(PMINFO var->bits_per_pixel);
 780                 {       struct my_timming mt;
 781                         struct matrox_hw_state* hw;
 782                         int out;
 783
 784                         matroxfb_var2my(var, &mt);
 785                         mt.crtc = MATROXFB_SRC_CRTC1;
 786                         /* CRTC1 delays */
 787                         switch (var->bits_per_pixel) {
 788                                 case  0:        mt.delay = 31 + 0; break;
 789                                 case 16:        mt.delay = 21 + 8; break;
 790                                 case 24:        mt.delay = 17 + 8; break;
 791                                 case 32:        mt.delay = 16 + 8; break;
 792                                 default:        mt.delay = 31 + 8; break;
 793                         }
 794
 795                         hw = &ACCESS_FBINFO(hw);
 796
 797                         down_read(&ACCESS_FBINFO(altout).lock);
 798                         for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 799                                 if (ACCESS_FBINFO(outputs[out]).src == MATROXFB_SRC_CRTC1 &&
 800                                     ACCESS_FBINFO(outputs[out]).output->compute) {
 801                                         ACCESS_FBINFO(outputs[out]).output->compute(ACCESS_FBINFO(outputs[out]).data, &mt);
 802                                 }
 803                         }
 804                         up_read(&ACCESS_FBINFO(altout).lock);
 805                         ACCESS_FBINFO(crtc1).pixclock = mt.pixclock;
 806                         ACCESS_FBINFO(crtc1).mnp = mt.mnp;
 807                         ACCESS_FBINFO(hw_switch->init(PMINFO &mt));
 808                         pos = (var->yoffset * var->xres_virtual + var->xoffset) * ACCESS_FBINFO(curr.final_bppShift) / 32;
 809                         pos += ACCESS_FBINFO(curr.ydstorg.chunks);
 810
 811                         hw->CRTC[0x0D] = pos & 0xFF;
 812                         hw->CRTC[0x0C] = (pos & 0xFF00) >> 8;
 813                         hw->CRTCEXT[0] = (hw->CRTCEXT[0] & 0xF0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
 814                         hw->CRTCEXT[8] = pos >> 21;
 815                         ACCESS_FBINFO(hw_switch->restore(PMINFO2));
 816                         update_crtc2(PMINFO pos);
 817                         down_read(&ACCESS_FBINFO(altout).lock);
 818                         for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 819                                 if (ACCESS_FBINFO(outputs[out]).src == MATROXFB_SRC_CRTC1 &&
 820                                     ACCESS_FBINFO(outputs[out]).output->program) {
 821                                         ACCESS_FBINFO(outputs[out]).output->program(ACCESS_FBINFO(outputs[out]).data);
 822                                 }
 823                         }
 824                         for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 825                                 if (ACCESS_FBINFO(outputs[out]).src == MATROXFB_SRC_CRTC1 &&
 826                                     ACCESS_FBINFO(outputs[out]).output->start) {
 827                                         ACCESS_FBINFO(outputs[out]).output->start(ACCESS_FBINFO(outputs[out]).data);
 828                                 }
 829                         }
 830                         up_read(&ACCESS_FBINFO(altout).lock);
 831                         matrox_cfbX_init(PMINFO2);
 832                 }
 833         }
 834         ACCESS_FBINFO(initialized) = 1;
 835         return 0;
 836 }
 837
 838 static int matroxfb_get_vblank(WPMINFO struct fb_vblank *vblank)
 839 {
 840         unsigned int sts1;
 841
 842         matroxfb_enable_irq(PMINFO 0);
 843         memset(vblank, 0, sizeof(*vblank));
 844         vblank->flags = FB_VBLANK_HAVE_VCOUNT | FB_VBLANK_HAVE_VSYNC |
 845                         FB_VBLANK_HAVE_VBLANK | FB_VBLANK_HAVE_HBLANK;
 846         sts1 = mga_inb(M_INSTS1);
 847         vblank->vcount = mga_inl(M_VCOUNT);
 848         /* BTW, on my PIII/450 with G400, reading M_INSTS1
 849            byte makes this call about 12% slower (1.70 vs. 2.05 us
 850            per ioctl()) */
 851         if (sts1 & 1)
 852                 vblank->flags |= FB_VBLANK_HBLANKING;
 853         if (sts1 & 8)
 854                 vblank->flags |= FB_VBLANK_VSYNCING;
 855         if (vblank->vcount >= ACCESS_FBINFO(fbcon).var.yres)
 856                 vblank->flags |= FB_VBLANK_VBLANKING;
 857         if (test_bit(0, &ACCESS_FBINFO(irq_flags))) {
 858                 vblank->flags |= FB_VBLANK_HAVE_COUNT;
 859                 /* Only one writer, aligned int value...
 860                    it should work without lock and without atomic_t */
 861                 vblank->count = ACCESS_FBINFO(crtc1).vsync.cnt;
 862         }
 863         return 0;
 864 }
 865
 866 static struct matrox_altout panellink_output = {
 867         .name    = "Panellink output",
 868 };
 869
 870 static int matroxfb_ioctl(struct fb_info *info,
 871                           unsigned int cmd, unsigned long arg)
 872 {
 873         void __user *argp = (void __user *)arg;
 874         MINFO_FROM_INFO(info);
 875
 876         DBG(__FUNCTION__)
 877
 878         if (ACCESS_FBINFO(dead)) {
 879                 return -ENXIO;
 880         }
 881
 882         switch (cmd) {
 883                 case FBIOGET_VBLANK:
 884                         {
 885                                 struct fb_vblank vblank;
 886                                 int err;
 887
 888                                 err = matroxfb_get_vblank(PMINFO &vblank);
 889                                 if (err)
 890                                         return err;
 891                                 if (copy_to_user(argp, &vblank, sizeof(vblank)))
 892                                         return -EFAULT;
 893                                 return 0;
 894                         }
 895                 case FBIO_WAITFORVSYNC:
 896                         {
 897                                 u_int32_t crt;
 898
 899                                 if (get_user(crt, (u_int32_t __user *)arg))
 900                                         return -EFAULT;
 901
 902                                 return matroxfb_wait_for_sync(PMINFO crt);
 903                         }
 904                 case MATROXFB_SET_OUTPUT_MODE:
 905                         {
 906                                 struct matroxioc_output_mode mom;
 907                                 struct matrox_altout *oproc;
 908                                 int val;
 909
 910                                 if (copy_from_user(&mom, argp, sizeof(mom)))
 911                                         return -EFAULT;
 912                                 if (mom.output >= MATROXFB_MAX_OUTPUTS)
 913                                         return -ENXIO;
 914                                 down_read(&ACCESS_FBINFO(altout.lock));
 915                                 oproc = ACCESS_FBINFO(outputs[mom.output]).output;
 916                                 if (!oproc) {
 917                                         val = -ENXIO;
 918                                 } else if (!oproc->verifymode) {
 919                                         if (mom.mode == MATROXFB_OUTPUT_MODE_MONITOR) {
 920                                                 val = 0;
 921                                         } else {
 922                                                 val = -EINVAL;
 923                                         }
 924                                 } else {
 925                                         val = oproc->verifymode(ACCESS_FBINFO(outputs[mom.output]).data, mom.mode);
 926                                 }
 927                                 if (!val) {
 928                                         if (ACCESS_FBINFO(outputs[mom.output]).mode != mom.mode) {
 929                                                 ACCESS_FBINFO(outputs[mom.output]).mode = mom.mode;
 930                                                 val = 1;
 931                                         }
 932                                 }
 933                                 up_read(&ACCESS_FBINFO(altout.lock));
 934                                 if (val != 1)
 935                                         return val;
 936                                 switch (ACCESS_FBINFO(outputs[mom.output]).src) {
 937                                         case MATROXFB_SRC_CRTC1:
 938                                                 matroxfb_set_par(info);
 939                                                 break;
 940                                         case MATROXFB_SRC_CRTC2:
 941                                                 {
 942                                                         struct matroxfb_dh_fb_info* crtc2;
 943
 944                                                         down_read(&ACCESS_FBINFO(crtc2.lock));
 945                                                         crtc2 = ACCESS_FBINFO(crtc2.info);
 946                                                         if (crtc2)
 947                                                                 crtc2->fbcon.fbops->fb_set_par(&crtc2->fbcon);
 948                                                         up_read(&ACCESS_FBINFO(crtc2.lock));
 949                                                 }
 950                                                 break;
 951                                 }
 952                                 return 0;
 953                         }
 954                 case MATROXFB_GET_OUTPUT_MODE:
 955                         {
 956                                 struct matroxioc_output_mode mom;
 957                                 struct matrox_altout *oproc;
 958                                 int val;
 959
 960                                 if (copy_from_user(&mom, argp, sizeof(mom)))
 961                                         return -EFAULT;
 962                                 if (mom.output >= MATROXFB_MAX_OUTPUTS)
 963                                         return -ENXIO;
 964                                 down_read(&ACCESS_FBINFO(altout.lock));
 965                                 oproc = ACCESS_FBINFO(outputs[mom.output]).output;
 966                                 if (!oproc) {
 967                                         val = -ENXIO;
 968                                 } else {
 969                                         mom.mode = ACCESS_FBINFO(outputs[mom.output]).mode;
 970                                         val = 0;
 971                                 }
 972                                 up_read(&ACCESS_FBINFO(altout.lock));
 973                                 if (val)
 974                                         return val;
 975                                 if (copy_to_user(argp, &mom, sizeof(mom)))
 976                                         return -EFAULT;
 977                                 return 0;
 978                         }
 979                 case MATROXFB_SET_OUTPUT_CONNECTION:
 980                         {
 981                                 u_int32_t tmp;
 982                                 int i;
 983                                 int changes;
 984
 985                                 if (copy_from_user(&tmp, argp, sizeof(tmp)))
 986                                         return -EFAULT;
 987                                 for (i = 0; i < 32; i++) {
 988                                         if (tmp & (1 << i)) {
 989                                                 if (i >= MATROXFB_MAX_OUTPUTS)
 990                                                         return -ENXIO;
 991                                                 if (!ACCESS_FBINFO(outputs[i]).output)
 992                                                         return -ENXIO;
 993                                                 switch (ACCESS_FBINFO(outputs[i]).src) {
 994                                                         case MATROXFB_SRC_NONE:
 995                                                         case MATROXFB_SRC_CRTC1:
 996                                                                 break;
 997                                                         default:
 998                                                                 return -EBUSY;
 999                                                 }
1000                                         }
1001                                 }
1002                                 if (ACCESS_FBINFO(devflags.panellink)) {
1003                                         if (tmp & MATROXFB_OUTPUT_CONN_DFP) {
1004                                                 if (tmp & MATROXFB_OUTPUT_CONN_SECONDARY)
1005                                                         return -EINVAL;
1006                                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1007                                                         if (ACCESS_FBINFO(outputs[i]).src == MATROXFB_SRC_CRTC2) {
1008                                                                 return -EBUSY;
1009                                                         }
1010                                                 }
1011                                         }
1012                                 }
1013                                 changes = 0;
1014                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1015                                         if (tmp & (1 << i)) {
1016                                                 if (ACCESS_FBINFO(outputs[i]).src != MATROXFB_SRC_CRTC1) {
1017                                                         changes = 1;
1018                                                         ACCESS_FBINFO(outputs[i]).src = MATROXFB_SRC_CRTC1;
1019                                                 }
1020                                         } else if (ACCESS_FBINFO(outputs[i]).src == MATROXFB_SRC_CRTC1) {
1021                                                 changes = 1;
1022                                                 ACCESS_FBINFO(outputs[i]).src = MATROXFB_SRC_NONE;
1023                                         }
1024                                 }
1025                                 if (!changes)
1026                                         return 0;
1027                                 matroxfb_set_par(info);
1028                                 return 0;
1029                         }
1030                 case MATROXFB_GET_OUTPUT_CONNECTION:
1031                         {
1032                                 u_int32_t conn = 0;
1033                                 int i;
1034
1035                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1036                                         if (ACCESS_FBINFO(outputs[i]).src == MATROXFB_SRC_CRTC1) {
1037                                                 conn |= 1 << i;
1038                                         }
1039                                 }
1040                                 if (put_user(conn, (u_int32_t __user *)arg))
1041                                         return -EFAULT;
1042                                 return 0;
1043                         }
1044                 case MATROXFB_GET_AVAILABLE_OUTPUTS:
1045                         {
1046                                 u_int32_t conn = 0;
1047                                 int i;
1048
1049                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1050                                         if (ACCESS_FBINFO(outputs[i]).output) {
1051                                                 switch (ACCESS_FBINFO(outputs[i]).src) {
1052                                                         case MATROXFB_SRC_NONE:
1053                                                         case MATROXFB_SRC_CRTC1:
1054                                                                 conn |= 1 << i;
1055                                                                 break;
1056                                                 }
1057                                         }
1058                                 }
1059                                 if (ACCESS_FBINFO(devflags.panellink)) {
1060                                         if (conn & MATROXFB_OUTPUT_CONN_DFP)
1061                                                 conn &= ~MATROXFB_OUTPUT_CONN_SECONDARY;
1062                                         if (conn & MATROXFB_OUTPUT_CONN_SECONDARY)
1063                                                 conn &= ~MATROXFB_OUTPUT_CONN_DFP;
1064                                 }
1065                                 if (put_user(conn, (u_int32_t __user *)arg))
1066                                         return -EFAULT;
1067                                 return 0;
1068                         }
1069                 case MATROXFB_GET_ALL_OUTPUTS:
1070                         {
1071                                 u_int32_t conn = 0;
1072                                 int i;
1073
1074                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1075                                         if (ACCESS_FBINFO(outputs[i]).output) {
1076                                                 conn |= 1 << i;
1077                                         }
1078                                 }
1079                                 if (put_user(conn, (u_int32_t __user *)arg))
1080                                         return -EFAULT;
1081                                 return 0;
1082                         }
1083                 case VIDIOC_QUERYCAP:
1084                         {
1085                                 struct v4l2_capability r;
1086
1087                                 memset(&r, 0, sizeof(r));
1088                                 strcpy(r.driver, "matroxfb");
1089                                 strcpy(r.card, "Matrox");
1090                                 sprintf(r.bus_info, "PCI:%s", pci_name(ACCESS_FBINFO(pcidev)));
1091                                 r.version = KERNEL_VERSION(1,0,0);
1092                                 r.capabilities = V4L2_CAP_VIDEO_OUTPUT;
1093                                 if (copy_to_user(argp, &r, sizeof(r)))
1094                                         return -EFAULT;
1095                                 return 0;
1096
1097                         }
1098                 case VIDIOC_QUERYCTRL:
1099                         {
1100                                 struct v4l2_queryctrl qctrl;
1101                                 int err;
1102
1103                                 if (copy_from_user(&qctrl, argp, sizeof(qctrl)))
1104                                         return -EFAULT;
1105
1106                                 down_read(&ACCESS_FBINFO(altout).lock);
1107                                 if (!ACCESS_FBINFO(outputs[1]).output) {
1108                                         err = -ENXIO;
1109                                 } else if (ACCESS_FBINFO(outputs[1]).output->getqueryctrl) {
1110                                         err = ACCESS_FBINFO(outputs[1]).output->getqueryctrl(ACCESS_FBINFO(outputs[1]).data, &qctrl);
1111                                 } else {
1112                                         err = -EINVAL;
1113                                 }
1114                                 up_read(&ACCESS_FBINFO(altout).lock);
1115                                 if (err >= 0 &&
1116                                     copy_to_user(argp, &qctrl, sizeof(qctrl)))
1117                                         return -EFAULT;
1118                                 return err;
1119                         }
1120                 case VIDIOC_G_CTRL:
1121                         {
1122                                 struct v4l2_control ctrl;
1123                                 int err;
1124
1125                                 if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
1126                                         return -EFAULT;
1127
1128                                 down_read(&ACCESS_FBINFO(altout).lock);
1129                                 if (!ACCESS_FBINFO(outputs[1]).output) {
1130                                         err = -ENXIO;
1131                                 } else if (ACCESS_FBINFO(outputs[1]).output->getctrl) {
1132                                         err = ACCESS_FBINFO(outputs[1]).output->getctrl(ACCESS_FBINFO(outputs[1]).data, &ctrl);
1133                                 } else {
1134                                         err = -EINVAL;
1135                                 }
1136                                 up_read(&ACCESS_FBINFO(altout).lock);
1137                                 if (err >= 0 &&
1138                                     copy_to_user(argp, &ctrl, sizeof(ctrl)))
1139                                         return -EFAULT;
1140                                 return err;
1141                         }
1142                 case VIDIOC_S_CTRL_OLD:
1143                 case VIDIOC_S_CTRL:
1144                         {
1145                                 struct v4l2_control ctrl;
1146                                 int err;
1147
1148                                 if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
1149                                         return -EFAULT;
1150
1151                                 down_read(&ACCESS_FBINFO(altout).lock);
1152                                 if (!ACCESS_FBINFO(outputs[1]).output) {
1153                                         err = -ENXIO;
1154                                 } else if (ACCESS_FBINFO(outputs[1]).output->setctrl) {
1155                                         err = ACCESS_FBINFO(outputs[1]).output->setctrl(ACCESS_FBINFO(outputs[1]).data, &ctrl);
1156                                 } else {
1157                                         err = -EINVAL;
1158                                 }
1159                                 up_read(&ACCESS_FBINFO(altout).lock);
1160                                 return err;
1161                         }
1162         }
1163         return -ENOTTY;
1164 }
1165
1166 /* 0 unblank, 1 blank, 2 no vsync, 3 no hsync, 4 off */
1167
1168 static int matroxfb_blank(int blank, struct fb_info *info)
1169 {
1170         int seq;
1171         int crtc;
1172         CRITFLAGS
1173         MINFO_FROM_INFO(info);
1174
1175         DBG(__FUNCTION__)
1176
1177         if (ACCESS_FBINFO(dead))
1178                 return 1;
1179
1180         switch (blank) {
1181         case FB_BLANK_NORMAL:  seq = 0x20; crtc = 0x00; break; /* works ??? */
1182         case FB_BLANK_VSYNC_SUSPEND:  seq = 0x20; crtc = 0x10; break;
1183         case FB_BLANK_HSYNC_SUSPEND:  seq = 0x20; crtc = 0x20; break;
1184         case FB_BLANK_POWERDOWN:  seq = 0x20; crtc = 0x30; break;
1185         default: seq = 0x00; crtc = 0x00; break;
1186         }
1187
1188         CRITBEGIN
1189
1190         mga_outb(M_SEQ_INDEX, 1);
1191         mga_outb(M_SEQ_DATA, (mga_inb(M_SEQ_DATA) & ~0x20) | seq);
1192         mga_outb(M_EXTVGA_INDEX, 1);
1193         mga_outb(M_EXTVGA_DATA, (mga_inb(M_EXTVGA_DATA) & ~0x30) | crtc);
1194
1195         CRITEND
1196         return 0;
1197 }
1198
1199 static struct fb_ops matroxfb_ops = {
1200         .owner =        THIS_MODULE,
1201         .fb_open =      matroxfb_open,
1202         .fb_release =   matroxfb_release,
1203         .fb_check_var = matroxfb_check_var,
1204         .fb_set_par =   matroxfb_set_par,
1205         .fb_setcolreg = matroxfb_setcolreg,
1206         .fb_pan_display =matroxfb_pan_display,
1207         .fb_blank =     matroxfb_blank,
1208         .fb_ioctl =     matroxfb_ioctl,
1209 /*      .fb_fillrect =  <set by matrox_cfbX_init>, */
1210 /*      .fb_copyarea =  <set by matrox_cfbX_init>, */
1211 /*      .fb_imageblit = <set by matrox_cfbX_init>, */
1212 /*      .fb_cursor =    <set by matrox_cfbX_init>, */
1213 };
1214
1215 #define RSDepth(X)      (((X) >> 8) & 0x0F)
1216 #define RS8bpp          0x1
1217 #define RS15bpp         0x2
1218 #define RS16bpp         0x3
1219 #define RS32bpp         0x4
1220 #define RS4bpp          0x5
1221 #define RS24bpp         0x6
1222 #define RSText          0x7
1223 #define RSText8         0x8
1224 /* 9-F */
1225 static struct { struct fb_bitfield red, green, blue, transp; int bits_per_pixel; } colors[] = {
1226         { {  0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, {  0, 0, 0},  8 },
1227         { { 10, 5, 0}, { 5, 5, 0}, { 0, 5, 0}, { 15, 1, 0}, 16 },
1228         { { 11, 5, 0}, { 5, 6, 0}, { 0, 5, 0}, {  0, 0, 0}, 16 },
1229         { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, { 24, 8, 0}, 32 },
1230         { {  0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, {  0, 0, 0},  4 },
1231         { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, {  0, 0, 0}, 24 },
1232         { {  0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, {  0, 0, 0},  0 },       /* textmode with (default) VGA8x16 */
1233         { {  0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, {  0, 0, 0},  0 },       /* textmode hardwired to VGA8x8 */
1234 };
1235
1236 /* initialized by setup, see explanation at end of file (search for MODULE_PARM_DESC) */
1237 static unsigned int mem;                /* "matrox:mem:xxxxxM" */
1238 static int option_precise_width = 1;    /* cannot be changed, option_precise_width==0 must imply noaccel */
1239 static int inv24;                       /* "matrox:inv24" */
1240 static int cross4MB = -1;               /* "matrox:cross4MB" */
1241 static int disabled;                    /* "matrox:disabled" */
1242 static int noaccel;                     /* "matrox:noaccel" */
1243 static int nopan;                       /* "matrox:nopan" */
1244 static int no_pci_retry;                /* "matrox:nopciretry" */
1245 static int novga;                       /* "matrox:novga" */
1246 static int nobios;                      /* "matrox:nobios" */
1247 static int noinit = 1;                  /* "matrox:init" */
1248 static int inverse;                     /* "matrox:inverse" */
1249 static int sgram;                       /* "matrox:sgram" */
1250 #ifdef CONFIG_MTRR
1251 static int mtrr = 1;                    /* "matrox:nomtrr" */
1252 #endif
1253 static int grayscale;                   /* "matrox:grayscale" */
1254 static int dev = -1;                    /* "matrox:dev:xxxxx" */
1255 static unsigned int vesa = ~0;          /* "matrox:vesa:xxxxx" */
1256 static int depth = -1;                  /* "matrox:depth:xxxxx" */
1257 static unsigned int xres;               /* "matrox:xres:xxxxx" */
1258 static unsigned int yres;               /* "matrox:yres:xxxxx" */
1259 static unsigned int upper = ~0;         /* "matrox:upper:xxxxx" */
1260 static unsigned int lower = ~0;         /* "matrox:lower:xxxxx" */
1261 static unsigned int vslen;              /* "matrox:vslen:xxxxx" */
1262 static unsigned int left = ~0;          /* "matrox:left:xxxxx" */
1263 static unsigned int right = ~0;         /* "matrox:right:xxxxx" */
1264 static unsigned int hslen;              /* "matrox:hslen:xxxxx" */
1265 static unsigned int pixclock;           /* "matrox:pixclock:xxxxx" */
1266 static int sync = -1;                   /* "matrox:sync:xxxxx" */
1267 static unsigned int fv;                 /* "matrox:fv:xxxxx" */
1268 static unsigned int fh;                 /* "matrox:fh:xxxxxk" */
1269 static unsigned int maxclk;             /* "matrox:maxclk:xxxxM" */
1270 static int dfp;                         /* "matrox:dfp */
1271 static int dfp_type = -1;               /* "matrox:dfp:xxx */
1272 static int memtype = -1;                /* "matrox:memtype:xxx" */
1273 static char outputs[8];                 /* "matrox:outputs:xxx" */
1274
1275 #ifndef MODULE
1276 static char videomode[64];              /* "matrox:mode:xxxxx" or "matrox:xxxxx" */
1277 #endif
1278
1279 static int matroxfb_getmemory(WPMINFO unsigned int maxSize, unsigned int *realSize){
1280         vaddr_t vm;
1281         unsigned int offs;
1282         unsigned int offs2;
1283         unsigned char orig;
1284         unsigned char bytes[32];
1285         unsigned char* tmp;
1286
1287         DBG(__FUNCTION__)
1288
1289         vm = ACCESS_FBINFO(video.vbase);
1290         maxSize &= ~0x1FFFFF;   /* must be X*2MB (really it must be 2 or X*4MB) */
1291         /* at least 2MB */
1292         if (maxSize < 0x0200000) return 0;
1293         if (maxSize > 0x2000000) maxSize = 0x2000000;
1294
1295         mga_outb(M_EXTVGA_INDEX, 0x03);
1296         orig = mga_inb(M_EXTVGA_DATA);
1297         mga_outb(M_EXTVGA_DATA, orig | 0x80);
1298
1299         tmp = bytes;
1300         for (offs = 0x100000; offs < maxSize; offs += 0x200000)
1301                 *tmp++ = mga_readb(vm, offs);
1302         for (offs = 0x100000; offs < maxSize; offs += 0x200000)
1303                 mga_writeb(vm, offs, 0x02);
1304         mga_outb(M_CACHEFLUSH, 0x00);
1305         for (offs = 0x100000; offs < maxSize; offs += 0x200000) {
1306                 if (mga_readb(vm, offs) != 0x02)
1307                         break;
1308                 mga_writeb(vm, offs, mga_readb(vm, offs) - 0x02);
1309                 if (mga_readb(vm, offs))
1310                         break;
1311         }
1312         tmp = bytes;
1313         for (offs2 = 0x100000; offs2 < maxSize; offs2 += 0x200000)
1314                 mga_writeb(vm, offs2, *tmp++);
1315
1316         mga_outb(M_EXTVGA_INDEX, 0x03);
1317         mga_outb(M_EXTVGA_DATA, orig);
1318
1319         *realSize = offs - 0x100000;
1320 #ifdef CONFIG_FB_MATROX_MILLENIUM
1321         ACCESS_FBINFO(interleave) = !(!isMillenium(MINFO) || ((offs - 0x100000) & 0x3FFFFF));
1322 #endif
1323         return 1;
1324 }
1325
1326 struct video_board {
1327         int maxvram;
1328         int maxdisplayable;
1329         int accelID;
1330         struct matrox_switch* lowlevel;
1331                  };
1332 #ifdef CONFIG_FB_MATROX_MILLENIUM
1333 static struct video_board vbMillennium          = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGA2064W,      &matrox_millennium};
1334 static struct video_board vbMillennium2         = {0x1000000, 0x0800000, FB_ACCEL_MATROX_MGA2164W,      &matrox_millennium};
1335 static struct video_board vbMillennium2A        = {0x1000000, 0x0800000, FB_ACCEL_MATROX_MGA2164W_AGP,  &matrox_millennium};
1336 #endif  /* CONFIG_FB_MATROX_MILLENIUM */
1337 #ifdef CONFIG_FB_MATROX_MYSTIQUE
1338 static struct video_board vbMystique            = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGA1064SG,     &matrox_mystique};
1339 #endif  /* CONFIG_FB_MATROX_MYSTIQUE */
1340 #ifdef CONFIG_FB_MATROX_G
1341 static struct video_board vbG100                = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGAG100,       &matrox_G100};
1342 static struct video_board vbG200                = {0x1000000, 0x1000000, FB_ACCEL_MATROX_MGAG200,       &matrox_G100};
1343 #ifdef CONFIG_FB_MATROX_32MB
1344 /* from doc it looks like that accelerator can draw only to low 16MB :-( Direct accesses & displaying are OK for
1345    whole 32MB */
1346 static struct video_board vbG400                = {0x2000000, 0x1000000, FB_ACCEL_MATROX_MGAG400,       &matrox_G100};
1347 #else
1348 static struct video_board vbG400                = {0x2000000, 0x1000000, FB_ACCEL_MATROX_MGAG400,       &matrox_G100};
1349 #endif
1350 #endif
1351
1352 #define DEVF_VIDEO64BIT         0x0001
1353 #define DEVF_SWAPS              0x0002
1354 #define DEVF_SRCORG             0x0004
1355 #define DEVF_DUALHEAD           0x0008
1356 #define DEVF_CROSS4MB           0x0010
1357 #define DEVF_TEXT4B             0x0020
1358 /* #define DEVF_recycled        0x0040  */
1359 /* #define DEVF_recycled        0x0080  */
1360 #define DEVF_SUPPORT32MB        0x0100
1361 #define DEVF_ANY_VXRES          0x0200
1362 #define DEVF_TEXT16B            0x0400
1363 #define DEVF_CRTC2              0x0800
1364 #define DEVF_MAVEN_CAPABLE      0x1000
1365 #define DEVF_PANELLINK_CAPABLE  0x2000
1366 #define DEVF_G450DAC            0x4000
1367
1368 #define DEVF_GCORE      (DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB)
1369 #define DEVF_G2CORE     (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_MAVEN_CAPABLE | DEVF_PANELLINK_CAPABLE | DEVF_SRCORG | DEVF_DUALHEAD)
1370 #define DEVF_G100       (DEVF_GCORE) /* no doc, no vxres... */
1371 #define DEVF_G200       (DEVF_G2CORE)
1372 #define DEVF_G400       (DEVF_G2CORE | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2)
1373 /* if you'll find how to drive DFP... */
1374 #define DEVF_G450       (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2 | DEVF_G450DAC | DEVF_SRCORG | DEVF_DUALHEAD)
1375 #define DEVF_G550       (DEVF_G450)
1376
1377 static struct board {
1378         unsigned short vendor, device, rev, svid, sid;
1379         unsigned int flags;
1380         unsigned int maxclk;
1381         enum mga_chip chip;
1382         struct video_board* base;
1383         const char* name;
1384                 } dev_list[] = {
1385 #ifdef CONFIG_FB_MATROX_MILLENIUM
1386         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL,       0xFF,
1387                 0,                      0,
1388                 DEVF_TEXT4B,
1389                 230000,
1390                 MGA_2064,
1391                 &vbMillennium,
1392                 "Millennium (PCI)"},
1393         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2,     0xFF,
1394                 0,                      0,
1395                 DEVF_SWAPS,
1396                 220000,
1397                 MGA_2164,
1398                 &vbMillennium2,
1399                 "Millennium II (PCI)"},
1400         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2_AGP, 0xFF,
1401                 0,                      0,
1402                 DEVF_SWAPS,
1403                 250000,
1404                 MGA_2164,
1405                 &vbMillennium2A,
1406                 "Millennium II (AGP)"},
1407 #endif
1408 #ifdef CONFIG_FB_MATROX_MYSTIQUE
1409         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,       0x02,
1410                 0,                      0,
1411                 DEVF_VIDEO64BIT | DEVF_CROSS4MB,
1412                 180000,
1413                 MGA_1064,
1414                 &vbMystique,
1415                 "Mystique (PCI)"},
1416         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,       0xFF,
1417                 0,                      0,
1418                 DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB,
1419                 220000,
1420                 MGA_1164,
1421                 &vbMystique,
1422                 "Mystique 220 (PCI)"},
1423         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS_AGP,   0x02,
1424                 0,                      0,
1425                 DEVF_VIDEO64BIT | DEVF_CROSS4MB,
1426                 180000,
1427                 MGA_1064,
1428                 &vbMystique,
1429                 "Mystique (AGP)"},
1430         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS_AGP,   0xFF,
1431                 0,                      0,
1432                 DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB,
1433                 220000,
1434                 MGA_1164,
1435                 &vbMystique,
1436                 "Mystique 220 (AGP)"},
1437 #endif
1438 #ifdef CONFIG_FB_MATROX_G
1439         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_MM,   0xFF,
1440                 0,                      0,
1441                 DEVF_G100,
1442                 230000,
1443                 MGA_G100,
1444                 &vbG100,
1445                 "MGA-G100 (PCI)"},
1446         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_AGP,  0xFF,
1447                 0,                      0,
1448                 DEVF_G100,
1449                 230000,
1450                 MGA_G100,
1451                 &vbG100,
1452                 "MGA-G100 (AGP)"},
1453         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_PCI,  0xFF,
1454                 0,                      0,
1455                 DEVF_G200,
1456                 250000,
1457                 MGA_G200,
1458                 &vbG200,
1459                 "MGA-G200 (PCI)"},
1460         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1461                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_GENERIC,
1462                 DEVF_G200,
1463                 220000,
1464                 MGA_G200,
1465                 &vbG200,
1466                 "MGA-G200 (AGP)"},
1467         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1468                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MYSTIQUE_G200_AGP,
1469                 DEVF_G200,
1470                 230000,
1471                 MGA_G200,
1472                 &vbG200,
1473                 "Mystique G200 (AGP)"},
1474         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1475                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MILLENIUM_G200_AGP,
1476                 DEVF_G200,
1477                 250000,
1478                 MGA_G200,
1479                 &vbG200,
1480                 "Millennium G200 (AGP)"},
1481         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1482                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MARVEL_G200_AGP,
1483                 DEVF_G200,
1484                 230000,
1485                 MGA_G200,
1486                 &vbG200,
1487                 "Marvel G200 (AGP)"},
1488         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1489                 PCI_SS_VENDOR_ID_SIEMENS_NIXDORF,       PCI_SS_ID_SIEMENS_MGA_G200_AGP,
1490                 DEVF_G200,
1491                 230000,
1492                 MGA_G200,
1493                 &vbG200,
1494                 "MGA-G200 (AGP)"},
1495         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1496                 0,                      0,
1497                 DEVF_G200,
1498                 230000,
1499                 MGA_G200,
1500                 &vbG200,
1501                 "G200 (AGP)"},
1502         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0x80,
1503                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MILLENNIUM_G400_MAX_AGP,
1504                 DEVF_G400,
1505                 360000,
1506                 MGA_G400,
1507                 &vbG400,
1508                 "Millennium G400 MAX (AGP)"},
1509         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0x80,
1510                 0,                      0,
1511                 DEVF_G400,
1512                 300000,
1513                 MGA_G400,
1514                 &vbG400,
1515                 "G400 (AGP)"},
1516         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0xFF,
1517                 0,                      0,
1518                 DEVF_G450,
1519                 360000,
1520                 MGA_G450,
1521                 &vbG400,
1522                 "G450"},
1523         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G550,      0xFF,
1524                 0,                      0,
1525                 DEVF_G550,
1526                 360000,
1527                 MGA_G550,
1528                 &vbG400,
1529                 "G550"},
1530 #endif
1531         {0,                     0,                              0xFF,
1532                 0,                      0,
1533                 0,
1534                 0,
1535                 0,
1536                 NULL,
1537                 NULL}};
1538
1539 #ifndef MODULE
1540 static struct fb_videomode defaultmode = {
1541         /* 640x480 @ 60Hz, 31.5 kHz */
1542         NULL, 60, 640, 480, 39721, 40, 24, 32, 11, 96, 2,
1543         0, FB_VMODE_NONINTERLACED
1544 };
1545 #endif /* !MODULE */
1546
1547 static int hotplug = 0;
1548
1549 static void setDefaultOutputs(WPMINFO2) {
1550         unsigned int i;
1551         const char* ptr;
1552
1553         ACCESS_FBINFO(outputs[0]).default_src = MATROXFB_SRC_CRTC1;
1554         if (ACCESS_FBINFO(devflags.g450dac)) {
1555                 ACCESS_FBINFO(outputs[1]).default_src = MATROXFB_SRC_CRTC1;
1556                 ACCESS_FBINFO(outputs[2]).default_src = MATROXFB_SRC_CRTC1;
1557         } else if (dfp) {
1558                 ACCESS_FBINFO(outputs[2]).default_src = MATROXFB_SRC_CRTC1;
1559         }
1560         ptr = outputs;
1561         for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1562                 char c = *ptr++;
1563
1564                 if (c == 0) {
1565                         break;
1566                 }
1567                 if (c == '0') {
1568                         ACCESS_FBINFO(outputs[i]).default_src = MATROXFB_SRC_NONE;
1569                 } else if (c == '1') {
1570                         ACCESS_FBINFO(outputs[i]).default_src = MATROXFB_SRC_CRTC1;
1571                 } else if (c == '2' && ACCESS_FBINFO(devflags.crtc2)) {
1572                         ACCESS_FBINFO(outputs[i]).default_src = MATROXFB_SRC_CRTC2;
1573                 } else {
1574                         printk(KERN_ERR "matroxfb: Unknown outputs setting\n");
1575                         break;
1576                 }
1577         }
1578         /* Nullify this option for subsequent adapters */
1579         outputs[0] = 0;
1580 }
1581
1582 static int initMatrox2(WPMINFO struct board* b){
1583         unsigned long ctrlptr_phys = 0;
1584         unsigned long video_base_phys = 0;
1585         unsigned int memsize;
1586         int err;
1587
1588         static struct pci_device_id intel_82437[] = {
1589                 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82437) },
1590                 { },
1591         };
1592
1593         DBG(__FUNCTION__)
1594
1595         /* set default values... */
1596         vesafb_defined.accel_flags = FB_ACCELF_TEXT;
1597
1598         ACCESS_FBINFO(hw_switch) = b->base->lowlevel;
1599         ACCESS_FBINFO(devflags.accelerator) = b->base->accelID;
1600         ACCESS_FBINFO(max_pixel_clock) = b->maxclk;
1601
1602         printk(KERN_INFO "matroxfb: Matrox %s detected\n", b->name);
1603         ACCESS_FBINFO(capable.plnwt) = 1;
1604         ACCESS_FBINFO(chip) = b->chip;
1605         ACCESS_FBINFO(capable.srcorg) = b->flags & DEVF_SRCORG;
1606         ACCESS_FBINFO(devflags.video64bits) = b->flags & DEVF_VIDEO64BIT;
1607         if (b->flags & DEVF_TEXT4B) {
1608                 ACCESS_FBINFO(devflags.vgastep) = 4;
1609                 ACCESS_FBINFO(devflags.textmode) = 4;
1610                 ACCESS_FBINFO(devflags.text_type_aux) = FB_AUX_TEXT_MGA_STEP16;
1611         } else if (b->flags & DEVF_TEXT16B) {
1612                 ACCESS_FBINFO(devflags.vgastep) = 16;
1613                 ACCESS_FBINFO(devflags.textmode) = 1;
1614                 ACCESS_FBINFO(devflags.text_type_aux) = FB_AUX_TEXT_MGA_STEP16;
1615         } else {
1616                 ACCESS_FBINFO(devflags.vgastep) = 8;
1617                 ACCESS_FBINFO(devflags.textmode) = 1;
1618                 ACCESS_FBINFO(devflags.text_type_aux) = FB_AUX_TEXT_MGA_STEP8;
1619         }
1620 #ifdef CONFIG_FB_MATROX_32MB
1621         ACCESS_FBINFO(devflags.support32MB) = (b->flags & DEVF_SUPPORT32MB) != 0;
1622 #endif
1623         ACCESS_FBINFO(devflags.precise_width) = !(b->flags & DEVF_ANY_VXRES);
1624         ACCESS_FBINFO(devflags.crtc2) = (b->flags & DEVF_CRTC2) != 0;
1625         ACCESS_FBINFO(devflags.maven_capable) = (b->flags & DEVF_MAVEN_CAPABLE) != 0;
1626         ACCESS_FBINFO(devflags.dualhead) = (b->flags & DEVF_DUALHEAD) != 0;
1627         ACCESS_FBINFO(devflags.dfp_type) = dfp_type;
1628         ACCESS_FBINFO(devflags.g450dac) = (b->flags & DEVF_G450DAC) != 0;
1629         ACCESS_FBINFO(devflags.textstep) = ACCESS_FBINFO(devflags.vgastep) * ACCESS_FBINFO(devflags.textmode);
1630         ACCESS_FBINFO(devflags.textvram) = 65536 / ACCESS_FBINFO(devflags.textmode);
1631         setDefaultOutputs(PMINFO2);
1632         if (b->flags & DEVF_PANELLINK_CAPABLE) {
1633                 ACCESS_FBINFO(outputs[2]).data = MINFO;
1634                 ACCESS_FBINFO(outputs[2]).output = &panellink_output;
1635                 ACCESS_FBINFO(outputs[2]).src = ACCESS_FBINFO(outputs[2]).default_src;
1636                 ACCESS_FBINFO(outputs[2]).mode = MATROXFB_OUTPUT_MODE_MONITOR;
1637                 ACCESS_FBINFO(devflags.panellink) = 1;
1638         }
1639
1640         if (ACCESS_FBINFO(capable.cross4MB) < 0)
1641                 ACCESS_FBINFO(capable.cross4MB) = b->flags & DEVF_CROSS4MB;
1642         if (b->flags & DEVF_SWAPS) {
1643                 ctrlptr_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 1);
1644                 video_base_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 0);
1645                 ACCESS_FBINFO(devflags.fbResource) = PCI_BASE_ADDRESS_0;
1646         } else {
1647                 ctrlptr_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 0);
1648                 video_base_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 1);
1649                 ACCESS_FBINFO(devflags.fbResource) = PCI_BASE_ADDRESS_1;
1650         }
1651         err = -EINVAL;
1652         if (!ctrlptr_phys) {
1653                 printk(KERN_ERR "matroxfb: control registers are not available, matroxfb disabled\n");
1654                 goto fail;
1655         }
1656         if (!video_base_phys) {
1657                 printk(KERN_ERR "matroxfb: video RAM is not available in PCI address space, matroxfb disabled\n");
1658                 goto fail;
1659         }
1660         memsize = b->base->maxvram;
1661         if (!request_mem_region(ctrlptr_phys, 16384, "matroxfb MMIO")) {
1662                 goto fail;
1663         }
1664         if (!request_mem_region(video_base_phys, memsize, "matroxfb FB")) {
1665                 goto failCtrlMR;
1666         }
1667         ACCESS_FBINFO(video.len_maximum) = memsize;
1668         /* convert mem (autodetect k, M) */
1669         if (mem < 1024) mem *= 1024;
1670         if (mem < 0x00100000) mem *= 1024;
1671
1672         if (mem && (mem < memsize))
1673                 memsize = mem;
1674         err = -ENOMEM;
1675         if (mga_ioremap(ctrlptr_phys, 16384, MGA_IOREMAP_MMIO, &ACCESS_FBINFO(mmio.vbase))) {
1676                 printk(KERN_ERR "matroxfb: cannot ioremap(%lX, 16384), matroxfb disabled\n", ctrlptr_phys);
1677                 goto failVideoMR;
1678         }
1679         ACCESS_FBINFO(mmio.base) = ctrlptr_phys;
1680         ACCESS_FBINFO(mmio.len) = 16384;
1681         ACCESS_FBINFO(video.base) = video_base_phys;
1682         if (mga_ioremap(video_base_phys, memsize, MGA_IOREMAP_FB, &ACCESS_FBINFO(video.vbase))) {
1683                 printk(KERN_ERR "matroxfb: cannot ioremap(%lX, %d), matroxfb disabled\n",
1684                         video_base_phys, memsize);
1685                 goto failCtrlIO;
1686         }
1687         {
1688                 u_int32_t cmd;
1689                 u_int32_t mga_option;
1690
1691                 pci_read_config_dword(ACCESS_FBINFO(pcidev), PCI_OPTION_REG, &mga_option);
1692                 pci_read_config_dword(ACCESS_FBINFO(pcidev), PCI_COMMAND, &cmd);
1693                 mga_option &= 0x7FFFFFFF; /* clear BIG_ENDIAN */
1694                 mga_option |= MX_OPTION_BSWAP;
1695                 /* disable palette snooping */
1696                 cmd &= ~PCI_COMMAND_VGA_PALETTE;
1697                 if (pci_dev_present(intel_82437)) {
1698                         if (!(mga_option & 0x20000000) && !ACCESS_FBINFO(devflags.nopciretry)) {
1699                                 printk(KERN_WARNING "matroxfb: Disabling PCI retries due to i82437 present\n");
1700                         }
1701                         mga_option |= 0x20000000;
1702                         ACCESS_FBINFO(devflags.nopciretry) = 1;
1703                 }
1704                 pci_write_config_dword(ACCESS_FBINFO(pcidev), PCI_COMMAND, cmd);
1705                 pci_write_config_dword(ACCESS_FBINFO(pcidev), PCI_OPTION_REG, mga_option);
1706                 ACCESS_FBINFO(hw).MXoptionReg = mga_option;
1707
1708                 /* select non-DMA memory for PCI_MGA_DATA, otherwise dump of PCI cfg space can lock PCI bus */
1709                 /* maybe preinit() candidate, but it is same... for all devices... at this time... */
1710                 pci_write_config_dword(ACCESS_FBINFO(pcidev), PCI_MGA_INDEX, 0x00003C00);
1711         }
1712
1713         err = -ENXIO;
1714         matroxfb_read_pins(PMINFO2);
1715         if (ACCESS_FBINFO(hw_switch)->preinit(PMINFO2)) {
1716                 goto failVideoIO;
1717         }
1718
1719         err = -ENOMEM;
1720         if (!matroxfb_getmemory(PMINFO memsize, &ACCESS_FBINFO(video.len)) || !ACCESS_FBINFO(video.len)) {
1721                 printk(KERN_ERR "matroxfb: cannot determine memory size\n");
1722                 goto failVideoIO;
1723         }
1724         ACCESS_FBINFO(devflags.ydstorg) = 0;
1725
1726         ACCESS_FBINFO(video.base) = video_base_phys;
1727         ACCESS_FBINFO(video.len_usable) = ACCESS_FBINFO(video.len);
1728         if (ACCESS_FBINFO(video.len_usable) > b->base->maxdisplayable)
1729                 ACCESS_FBINFO(video.len_usable) = b->base->maxdisplayable;
1730 #ifdef CONFIG_MTRR
1731         if (mtrr) {
1732                 ACCESS_FBINFO(mtrr.vram) = mtrr_add(video_base_phys, ACCESS_FBINFO(video.len), MTRR_TYPE_WRCOMB, 1);
1733                 ACCESS_FBINFO(mtrr.vram_valid) = 1;
1734                 printk(KERN_INFO "matroxfb: MTRR's turned on\n");
1735         }
1736 #endif  /* CONFIG_MTRR */
1737
1738         if (!ACCESS_FBINFO(devflags.novga))
1739                 request_region(0x3C0, 32, "matrox");
1740         matroxfb_g450_connect(PMINFO2);
1741         ACCESS_FBINFO(hw_switch->reset(PMINFO2));
1742
1743         ACCESS_FBINFO(fbcon.monspecs.hfmin) = 0;
1744         ACCESS_FBINFO(fbcon.monspecs.hfmax) = fh;
1745         ACCESS_FBINFO(fbcon.monspecs.vfmin) = 0;
1746         ACCESS_FBINFO(fbcon.monspecs.vfmax) = fv;
1747         ACCESS_FBINFO(fbcon.monspecs.dpms) = 0; /* TBD */
1748
1749         /* static settings */
1750         vesafb_defined.red = colors[depth-1].red;
1751         vesafb_defined.green = colors[depth-1].green;
1752         vesafb_defined.blue = colors[depth-1].blue;
1753         vesafb_defined.bits_per_pixel = colors[depth-1].bits_per_pixel;
1754         vesafb_defined.grayscale = grayscale;
1755         vesafb_defined.vmode = 0;
1756         if (noaccel)
1757                 vesafb_defined.accel_flags &= ~FB_ACCELF_TEXT;
1758
1759         ACCESS_FBINFO(fbops) = matroxfb_ops;
1760         ACCESS_FBINFO(fbcon.fbops) = &ACCESS_FBINFO(fbops);
1761         ACCESS_FBINFO(fbcon.pseudo_palette) = ACCESS_FBINFO(cmap);
1762         /* after __init time we are like module... no logo */
1763         ACCESS_FBINFO(fbcon.flags) = hotplug ? FBINFO_FLAG_MODULE : FBINFO_FLAG_DEFAULT;
1764         ACCESS_FBINFO(fbcon.flags) |= FBINFO_PARTIAL_PAN_OK |    /* Prefer panning for scroll under MC viewer/edit */
1765                                       FBINFO_HWACCEL_COPYAREA |  /* We have hw-assisted bmove */
1766                                       FBINFO_HWACCEL_FILLRECT |  /* And fillrect */
1767                                       FBINFO_HWACCEL_IMAGEBLIT | /* And imageblit */
1768                                       FBINFO_HWACCEL_XPAN |      /* And we support both horizontal */
1769                                       FBINFO_HWACCEL_YPAN;       /* And vertical panning */
1770         ACCESS_FBINFO(video.len_usable) &= PAGE_MASK;
1771         fb_alloc_cmap(&ACCESS_FBINFO(fbcon.cmap), 256, 1);
1772
1773 #ifndef MODULE
1774         /* mode database is marked __init!!! */
1775         if (!hotplug) {
1776                 fb_find_mode(&vesafb_defined, &ACCESS_FBINFO(fbcon), videomode[0]?videomode:NULL,
1777                         NULL, 0, &defaultmode, vesafb_defined.bits_per_pixel);
1778         }
1779 #endif /* !MODULE */
1780
1781         /* mode modifiers */
1782         if (hslen)
1783                 vesafb_defined.hsync_len = hslen;
1784         if (vslen)
1785                 vesafb_defined.vsync_len = vslen;
1786         if (left != ~0)
1787                 vesafb_defined.left_margin = left;
1788         if (right != ~0)
1789                 vesafb_defined.right_margin = right;
1790         if (upper != ~0)
1791                 vesafb_defined.upper_margin = upper;
1792         if (lower != ~0)
1793                 vesafb_defined.lower_margin = lower;
1794         if (xres)
1795                 vesafb_defined.xres = xres;
1796         if (yres)
1797                 vesafb_defined.yres = yres;
1798         if (sync != -1)
1799                 vesafb_defined.sync = sync;
1800         else if (vesafb_defined.sync == ~0) {
1801                 vesafb_defined.sync = 0;
1802                 if (yres < 400)
1803                         vesafb_defined.sync |= FB_SYNC_HOR_HIGH_ACT;
1804                 else if (yres < 480)
1805                         vesafb_defined.sync |= FB_SYNC_VERT_HIGH_ACT;
1806         }
1807
1808         /* fv, fh, maxclk limits was specified */
1809         {
1810                 unsigned int tmp;
1811
1812                 if (fv) {
1813                         tmp = fv * (vesafb_defined.upper_margin + vesafb_defined.yres
1814                                   + vesafb_defined.lower_margin + vesafb_defined.vsync_len);
1815                         if ((tmp < fh) || (fh == 0)) fh = tmp;
1816                 }
1817                 if (fh) {
1818                         tmp = fh * (vesafb_defined.left_margin + vesafb_defined.xres
1819                                   + vesafb_defined.right_margin + vesafb_defined.hsync_len);
1820                         if ((tmp < maxclk) || (maxclk == 0)) maxclk = tmp;
1821                 }
1822                 tmp = (maxclk + 499) / 500;
1823                 if (tmp) {
1824                         tmp = (2000000000 + tmp) / tmp;
1825                         if (tmp > pixclock) pixclock = tmp;
1826                 }
1827         }
1828         if (pixclock) {
1829                 if (pixclock < 2000)            /* > 500MHz */
1830                         pixclock = 4000;        /* 250MHz */
1831                 if (pixclock > 1000000)
1832                         pixclock = 1000000;     /* 1MHz */
1833                 vesafb_defined.pixclock = pixclock;
1834         }
1835
1836         /* FIXME: Where to move this?! */
1837 #if defined(CONFIG_PPC_PMAC)
1838 #ifndef MODULE
1839         if (machine_is(powermac)) {
1840                 struct fb_var_screeninfo var;
1841                 if (default_vmode <= 0 || default_vmode > VMODE_MAX)
1842                         default_vmode = VMODE_640_480_60;
1843 #ifdef CONFIG_NVRAM
1844                 if (default_cmode == CMODE_NVRAM)
1845                         default_cmode = nvram_read_byte(NV_CMODE);
1846 #endif
1847                 if (default_cmode < CMODE_8 || default_cmode > CMODE_32)
1848                         default_cmode = CMODE_8;
1849                 if (!mac_vmode_to_var(default_vmode, default_cmode, &var)) {
1850                         var.accel_flags = vesafb_defined.accel_flags;
1851                         var.xoffset = var.yoffset = 0;
1852                         /* Note: mac_vmode_to_var() does not set all parameters */
1853                         vesafb_defined = var;
1854                 }
1855         }
1856 #endif /* !MODULE */
1857 #endif /* CONFIG_PPC_PMAC */
1858         vesafb_defined.xres_virtual = vesafb_defined.xres;
1859         if (nopan) {
1860                 vesafb_defined.yres_virtual = vesafb_defined.yres;
1861         } else {
1862                 vesafb_defined.yres_virtual = 65536; /* large enough to be INF, but small enough
1863                                                         to yres_virtual * xres_virtual < 2^32 */
1864         }
1865         matroxfb_init_fix(PMINFO2);
1866         ACCESS_FBINFO(fbcon.screen_base) = vaddr_va(ACCESS_FBINFO(video.vbase));
1867         matroxfb_update_fix(PMINFO2);
1868         /* Normalize values (namely yres_virtual) */
1869         matroxfb_check_var(&vesafb_defined, &ACCESS_FBINFO(fbcon));
1870         /* And put it into "current" var. Do NOT program hardware yet, or we'll not take over
1871          * vgacon correctly. fbcon_startup will call fb_set_par for us, WITHOUT check_var,
1872          * and unfortunately it will do it BEFORE vgacon contents is saved, so it won't work
1873          * anyway. But we at least tried... */
1874         ACCESS_FBINFO(fbcon.var) = vesafb_defined;
1875         err = -EINVAL;
1876
1877         printk(KERN_INFO "matroxfb: %dx%dx%dbpp (virtual: %dx%d)\n",
1878                 vesafb_defined.xres, vesafb_defined.yres, vesafb_defined.bits_per_pixel,
1879                 vesafb_defined.xres_virtual, vesafb_defined.yres_virtual);
1880         printk(KERN_INFO "matroxfb: framebuffer at 0x%lX, mapped to 0x%p, size %d\n",
1881                 ACCESS_FBINFO(video.base), vaddr_va(ACCESS_FBINFO(video.vbase)), ACCESS_FBINFO(video.len));
1882
1883 /* We do not have to set currcon to 0... register_framebuffer do it for us on first console
1884  * and we do not want currcon == 0 for subsequent framebuffers */
1885
1886         ACCESS_FBINFO(fbcon).device = &ACCESS_FBINFO(pcidev)->dev;
1887         if (register_framebuffer(&ACCESS_FBINFO(fbcon)) < 0) {
1888                 goto failVideoIO;
1889         }
1890         printk("fb%d: %s frame buffer device\n",
1891                ACCESS_FBINFO(fbcon.node), ACCESS_FBINFO(fbcon.fix.id));
1892
1893         /* there is no console on this fb... but we have to initialize hardware
1894          * until someone tells me what is proper thing to do */
1895         if (!ACCESS_FBINFO(initialized)) {
1896                 printk(KERN_INFO "fb%d: initializing hardware\n",
1897                        ACCESS_FBINFO(fbcon.node));
1898                 /* We have to use FB_ACTIVATE_FORCE, as we had to put vesafb_defined to the fbcon.var
1899                  * already before, so register_framebuffer works correctly. */
1900                 vesafb_defined.activate |= FB_ACTIVATE_FORCE;
1901                 fb_set_var(&ACCESS_FBINFO(fbcon), &vesafb_defined);
1902         }
1903
1904         return 0;
1905 failVideoIO:;
1906         matroxfb_g450_shutdown(PMINFO2);
1907         mga_iounmap(ACCESS_FBINFO(video.vbase));
1908 failCtrlIO:;
1909         mga_iounmap(ACCESS_FBINFO(mmio.vbase));
1910 failVideoMR:;
1911         release_mem_region(video_base_phys, ACCESS_FBINFO(video.len_maximum));
1912 failCtrlMR:;
1913         release_mem_region(ctrlptr_phys, 16384);
1914 fail:;
1915         return err;
1916 }
1917
1918 static LIST_HEAD(matroxfb_list);
1919 static LIST_HEAD(matroxfb_driver_list);
1920
1921 #define matroxfb_l(x) list_entry(x, struct matrox_fb_info, next_fb)
1922 #define matroxfb_driver_l(x) list_entry(x, struct matroxfb_driver, node)
1923 int matroxfb_register_driver(struct matroxfb_driver* drv) {
1924         struct matrox_fb_info* minfo;
1925
1926         list_add(&drv->node, &matroxfb_driver_list);
1927         for (minfo = matroxfb_l(matroxfb_list.next);
1928              minfo != matroxfb_l(&matroxfb_list);
1929              minfo = matroxfb_l(minfo->next_fb.next)) {
1930                 void* p;
1931
1932                 if (minfo->drivers_count == MATROXFB_MAX_FB_DRIVERS)
1933                         continue;
1934                 p = drv->probe(minfo);
1935                 if (p) {
1936                         minfo->drivers_data[minfo->drivers_count] = p;
1937                         minfo->drivers[minfo->drivers_count++] = drv;
1938                 }
1939         }
1940         return 0;
1941 }
1942
1943 void matroxfb_unregister_driver(struct matroxfb_driver* drv) {
1944         struct matrox_fb_info* minfo;
1945
1946         list_del(&drv->node);
1947         for (minfo = matroxfb_l(matroxfb_list.next);
1948              minfo != matroxfb_l(&matroxfb_list);
1949              minfo = matroxfb_l(minfo->next_fb.next)) {
1950                 int i;
1951
1952                 for (i = 0; i < minfo->drivers_count; ) {
1953                         if (minfo->drivers[i] == drv) {
1954                                 if (drv && drv->remove)
1955                                         drv->remove(minfo, minfo->drivers_data[i]);
1956                                 minfo->drivers[i] = minfo->drivers[--minfo->drivers_count];
1957                                 minfo->drivers_data[i] = minfo->drivers_data[minfo->drivers_count];
1958                         } else
1959                                 i++;
1960                 }
1961         }
1962 }
1963
1964 static void matroxfb_register_device(struct matrox_fb_info* minfo) {
1965         struct matroxfb_driver* drv;
1966         int i = 0;
1967         list_add(&ACCESS_FBINFO(next_fb), &matroxfb_list);
1968         for (drv = matroxfb_driver_l(matroxfb_driver_list.next);
1969              drv != matroxfb_driver_l(&matroxfb_driver_list);
1970              drv = matroxfb_driver_l(drv->node.next)) {
1971                 if (drv && drv->probe) {
1972                         void *p = drv->probe(minfo);
1973                         if (p) {
1974                                 minfo->drivers_data[i] = p;
1975                                 minfo->drivers[i++] = drv;
1976                                 if (i == MATROXFB_MAX_FB_DRIVERS)
1977                                         break;
1978                         }
1979                 }
1980         }
1981         minfo->drivers_count = i;
1982 }
1983
1984 static void matroxfb_unregister_device(struct matrox_fb_info* minfo) {
1985         int i;
1986
1987         list_del(&ACCESS_FBINFO(next_fb));
1988         for (i = 0; i < minfo->drivers_count; i++) {
1989                 struct matroxfb_driver* drv = minfo->drivers[i];
1990
1991                 if (drv && drv->remove)
1992                         drv->remove(minfo, minfo->drivers_data[i]);
1993         }
1994 }
1995
1996 static int matroxfb_probe(struct pci_dev* pdev, const struct pci_device_id* dummy) {
1997         struct board* b;
1998         u_int8_t rev;
1999         u_int16_t svid;
2000         u_int16_t sid;
2001         struct matrox_fb_info* minfo;
2002         int err;
2003         u_int32_t cmd;
2004 #ifndef CONFIG_FB_MATROX_MULTIHEAD
2005         static int registered = 0;
2006 #endif
2007         DBG(__FUNCTION__)
2008
2009         pci_read_config_byte(pdev, PCI_REVISION_ID, &rev);
2010         svid = pdev->subsystem_vendor;
2011         sid = pdev->subsystem_device;
2012         for (b = dev_list; b->vendor; b++) {
2013                 if ((b->vendor != pdev->vendor) || (b->device != pdev->device) || (b->rev < rev)) continue;
2014                 if (b->svid)
2015                         if ((b->svid != svid) || (b->sid != sid)) continue;
2016                 break;
2017         }
2018         /* not match... */
2019         if (!b->vendor)
2020                 return -ENODEV;
2021         if (dev > 0) {
2022                 /* not requested one... */
2023                 dev--;
2024                 return -ENODEV;
2025         }
2026         pci_read_config_dword(pdev, PCI_COMMAND, &cmd);
2027         if (pci_enable_device(pdev)) {
2028                 return -1;
2029         }
2030
2031 #ifdef CONFIG_FB_MATROX_MULTIHEAD
2032         minfo = (struct matrox_fb_info*)kmalloc(sizeof(*minfo), GFP_KERNEL);
2033         if (!minfo)
2034                 return -1;
2035 #else
2036         if (registered) /* singlehead driver... */
2037                 return -1;
2038         minfo = &matroxfb_global_mxinfo;
2039 #endif
2040         memset(MINFO, 0, sizeof(*MINFO));
2041
2042         ACCESS_FBINFO(pcidev) = pdev;
2043         ACCESS_FBINFO(dead) = 0;
2044         ACCESS_FBINFO(usecount) = 0;
2045         ACCESS_FBINFO(userusecount) = 0;
2046
2047         pci_set_drvdata(pdev, MINFO);
2048         /* DEVFLAGS */
2049         ACCESS_FBINFO(devflags.memtype) = memtype;
2050         if (memtype != -1)
2051                 noinit = 0;
2052         if (cmd & PCI_COMMAND_MEMORY) {
2053                 ACCESS_FBINFO(devflags.novga) = novga;
2054                 ACCESS_FBINFO(devflags.nobios) = nobios;
2055                 ACCESS_FBINFO(devflags.noinit) = noinit;
2056                 /* subsequent heads always needs initialization and must not enable BIOS */
2057                 novga = 1;
2058                 nobios = 1;
2059                 noinit = 0;
2060         } else {
2061                 ACCESS_FBINFO(devflags.novga) = 1;
2062                 ACCESS_FBINFO(devflags.nobios) = 1;
2063                 ACCESS_FBINFO(devflags.noinit) = 0;
2064         }
2065
2066         ACCESS_FBINFO(devflags.nopciretry) = no_pci_retry;
2067         ACCESS_FBINFO(devflags.mga_24bpp_fix) = inv24;
2068         ACCESS_FBINFO(devflags.precise_width) = option_precise_width;
2069         ACCESS_FBINFO(devflags.sgram) = sgram;
2070         ACCESS_FBINFO(capable.cross4MB) = cross4MB;
2071
2072         spin_lock_init(&ACCESS_FBINFO(lock.DAC));
2073         spin_lock_init(&ACCESS_FBINFO(lock.accel));
2074         init_rwsem(&ACCESS_FBINFO(crtc2.lock));
2075         init_rwsem(&ACCESS_FBINFO(altout.lock));
2076         ACCESS_FBINFO(irq_flags) = 0;
2077         init_waitqueue_head(&ACCESS_FBINFO(crtc1.vsync.wait));
2078         init_waitqueue_head(&ACCESS_FBINFO(crtc2.vsync.wait));
2079         ACCESS_FBINFO(crtc1.panpos) = -1;
2080
2081         err = initMatrox2(PMINFO b);
2082         if (!err) {
2083 #ifndef CONFIG_FB_MATROX_MULTIHEAD
2084                 registered = 1;
2085 #endif
2086                 matroxfb_register_device(MINFO);
2087                 return 0;
2088         }
2089 #ifdef CONFIG_FB_MATROX_MULTIHEAD
2090         kfree(minfo);
2091 #endif
2092         return -1;
2093 }
2094
2095 static void pci_remove_matrox(struct pci_dev* pdev) {
2096         struct matrox_fb_info* minfo;
2097
2098         minfo = pci_get_drvdata(pdev);
2099         matroxfb_remove(PMINFO 1);
2100 }
2101
2102 static struct pci_device_id matroxfb_devices[] = {
2103 #ifdef CONFIG_FB_MATROX_MILLENIUM
2104         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL,
2105                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2106         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2,
2107                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2108         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2_AGP,
2109                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2110 #endif
2111 #ifdef CONFIG_FB_MATROX_MYSTIQUE
2112         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,
2113                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2114 #endif
2115 #ifdef CONFIG_FB_MATROX_G
2116         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_MM,
2117                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2118         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_AGP,
2119                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2120         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_PCI,
2121                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2122         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,
2123                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2124         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,
2125                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2126         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G550,
2127                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2128 #endif
2129         {0,                     0,
2130                 0,              0,              0, 0, 0}
2131 };
2132
2133 MODULE_DEVICE_TABLE(pci, matroxfb_devices);
2134
2135
2136 static struct pci_driver matroxfb_driver = {
2137         .name =         "matroxfb",
2138         .id_table =     matroxfb_devices,
2139         .probe =        matroxfb_probe,
2140         .remove =       pci_remove_matrox,
2141 };
2142
2143 /* **************************** init-time only **************************** */
2144
2145 #define RSResolution(X) ((X) & 0x0F)
2146 #define RS640x400       1
2147 #define RS640x480       2
2148 #define RS800x600       3
2149 #define RS1024x768      4
2150 #define RS1280x1024     5
2151 #define RS1600x1200     6
2152 #define RS768x576       7
2153 #define RS960x720       8
2154 #define RS1152x864      9
2155 #define RS1408x1056     10
2156 #define RS640x350       11
2157 #define RS1056x344      12      /* 132 x 43 text */
2158 #define RS1056x400      13      /* 132 x 50 text */
2159 #define RS1056x480      14      /* 132 x 60 text */
2160 #define RSNoxNo         15
2161 /* 10-FF */
2162 static struct { int xres, yres, left, right, upper, lower, hslen, vslen, vfreq; } timmings[] __initdata = {
2163         {  640,  400,  48, 16, 39,  8,  96, 2, 70 },
2164         {  640,  480,  48, 16, 33, 10,  96, 2, 60 },
2165         {  800,  600, 144, 24, 28,  8, 112, 6, 60 },
2166         { 1024,  768, 160, 32, 30,  4, 128, 4, 60 },
2167         { 1280, 1024, 224, 32, 32,  4, 136, 4, 60 },
2168         { 1600, 1200, 272, 48, 32,  5, 152, 5, 60 },
2169         {  768,  576, 144, 16, 28,  6, 112, 4, 60 },
2170         {  960,  720, 144, 24, 28,  8, 112, 4, 60 },
2171         { 1152,  864, 192, 32, 30,  4, 128, 4, 60 },
2172         { 1408, 1056, 256, 40, 32,  5, 144, 5, 60 },
2173         {  640,  350,  48, 16, 39,  8,  96, 2, 70 },
2174         { 1056,  344,  96, 24, 59, 44, 160, 2, 70 },
2175         { 1056,  400,  96, 24, 39,  8, 160, 2, 70 },
2176         { 1056,  480,  96, 24, 36, 12, 160, 3, 60 },
2177         {    0,    0,  ~0, ~0, ~0, ~0,   0, 0,  0 }
2178 };
2179
2180 #define RSCreate(X,Y)   ((X) | ((Y) << 8))
2181 static struct { unsigned int vesa; unsigned int info; } *RSptr, vesamap[] __initdata = {
2182 /* default must be first */
2183         {    ~0, RSCreate(RSNoxNo,     RS8bpp ) },
2184         { 0x101, RSCreate(RS640x480,   RS8bpp ) },
2185         { 0x100, RSCreate(RS640x400,   RS8bpp ) },
2186         { 0x180, RSCreate(RS768x576,   RS8bpp ) },
2187         { 0x103, RSCreate(RS800x600,   RS8bpp ) },
2188         { 0x188, RSCreate(RS960x720,   RS8bpp ) },
2189         { 0x105, RSCreate(RS1024x768,  RS8bpp ) },
2190         { 0x190, RSCreate(RS1152x864,  RS8bpp ) },
2191         { 0x107, RSCreate(RS1280x1024, RS8bpp ) },
2192         { 0x198, RSCreate(RS1408x1056, RS8bpp ) },
2193         { 0x11C, RSCreate(RS1600x1200, RS8bpp ) },
2194         { 0x110, RSCreate(RS640x480,   RS15bpp) },
2195         { 0x181, RSCreate(RS768x576,   RS15bpp) },
2196         { 0x113, RSCreate(RS800x600,   RS15bpp) },
2197         { 0x189, RSCreate(RS960x720,   RS15bpp) },
2198         { 0x116, RSCreate(RS1024x768,  RS15bpp) },
2199         { 0x191, RSCreate(RS1152x864,  RS15bpp) },
2200         { 0x119, RSCreate(RS1280x1024, RS15bpp) },
2201         { 0x199, RSCreate(RS1408x1056, RS15bpp) },
2202         { 0x11D, RSCreate(RS1600x1200, RS15bpp) },
2203         { 0x111, RSCreate(RS640x480,   RS16bpp) },
2204         { 0x182, RSCreate(RS768x576,   RS16bpp) },
2205         { 0x114, RSCreate(RS800x600,   RS16bpp) },
2206         { 0x18A, RSCreate(RS960x720,   RS16bpp) },
2207         { 0x117, RSCreate(RS1024x768,  RS16bpp) },
2208         { 0x192, RSCreate(RS1152x864,  RS16bpp) },
2209         { 0x11A, RSCreate(RS1280x1024, RS16bpp) },
2210         { 0x19A, RSCreate(RS1408x1056, RS16bpp) },
2211         { 0x11E, RSCreate(RS1600x1200, RS16bpp) },
2212         { 0x1B2, RSCreate(RS640x480,   RS24bpp) },
2213         { 0x184, RSCreate(RS768x576,   RS24bpp) },
2214         { 0x1B5, RSCreate(RS800x600,   RS24bpp) },
2215         { 0x18C, RSCreate(RS960x720,   RS24bpp) },
2216         { 0x1B8, RSCreate(RS1024x768,  RS24bpp) },
2217         { 0x194, RSCreate(RS1152x864,  RS24bpp) },
2218         { 0x1BB, RSCreate(RS1280x1024, RS24bpp) },
2219         { 0x19C, RSCreate(RS1408x1056, RS24bpp) },
2220         { 0x1BF, RSCreate(RS1600x1200, RS24bpp) },
2221         { 0x112, RSCreate(RS640x480,   RS32bpp) },
2222         { 0x183, RSCreate(RS768x576,   RS32bpp) },
2223         { 0x115, RSCreate(RS800x600,   RS32bpp) },
2224         { 0x18B, RSCreate(RS960x720,   RS32bpp) },
2225         { 0x118, RSCreate(RS1024x768,  RS32bpp) },
2226         { 0x193, RSCreate(RS1152x864,  RS32bpp) },
2227         { 0x11B, RSCreate(RS1280x1024, RS32bpp) },
2228         { 0x19B, RSCreate(RS1408x1056, RS32bpp) },
2229         { 0x11F, RSCreate(RS1600x1200, RS32bpp) },
2230         { 0x010, RSCreate(RS640x350,   RS4bpp ) },
2231         { 0x012, RSCreate(RS640x480,   RS4bpp ) },
2232         { 0x102, RSCreate(RS800x600,   RS4bpp ) },
2233         { 0x104, RSCreate(RS1024x768,  RS4bpp ) },
2234         { 0x106, RSCreate(RS1280x1024, RS4bpp ) },
2235         {     0, 0                              }};
2236
2237 static void __init matroxfb_init_params(void) {
2238         /* fh from kHz to Hz */
2239         if (fh < 1000)
2240                 fh *= 1000;     /* 1kHz minimum */
2241         /* maxclk */
2242         if (maxclk < 1000) maxclk *= 1000;      /* kHz -> Hz, MHz -> kHz */
2243         if (maxclk < 1000000) maxclk *= 1000;   /* kHz -> Hz, 1MHz minimum */
2244         /* fix VESA number */
2245         if (vesa != ~0)
2246                 vesa &= 0x1DFF;         /* mask out clearscreen, acceleration and so on */
2247
2248         /* static settings */
2249         for (RSptr = vesamap; RSptr->vesa; RSptr++) {
2250                 if (RSptr->vesa == vesa) break;
2251         }
2252         if (!RSptr->vesa) {
2253                 printk(KERN_ERR "Invalid vesa mode 0x%04X\n", vesa);
2254                 RSptr = vesamap;
2255         }
2256         {
2257                 int res = RSResolution(RSptr->info)-1;
2258                 if (left == ~0)
2259                         left = timmings[res].left;
2260                 if (!xres)
2261                         xres = timmings[res].xres;
2262                 if (right == ~0)
2263                         right = timmings[res].right;
2264                 if (!hslen)
2265                         hslen = timmings[res].hslen;
2266                 if (upper == ~0)
2267                         upper = timmings[res].upper;
2268                 if (!yres)
2269                         yres = timmings[res].yres;
2270                 if (lower == ~0)
2271                         lower = timmings[res].lower;
2272                 if (!vslen)
2273                         vslen = timmings[res].vslen;
2274                 if (!(fv||fh||maxclk||pixclock))
2275                         fv = timmings[res].vfreq;
2276                 if (depth == -1)
2277                         depth = RSDepth(RSptr->info);
2278         }
2279 }
2280
2281 static void __init matrox_init(void) {
2282         matroxfb_init_params();
2283         pci_register_driver(&matroxfb_driver);
2284         dev = -1;       /* accept all new devices... */
2285 }
2286
2287 /* **************************** exit-time only **************************** */
2288
2289 static void __exit matrox_done(void) {
2290         pci_unregister_driver(&matroxfb_driver);
2291 }
2292
2293 #ifndef MODULE
2294
2295 /* ************************* init in-kernel code ************************** */
2296
2297 static int __init matroxfb_setup(char *options) {
2298         char *this_opt;
2299
2300         DBG(__FUNCTION__)
2301
2302         if (!options || !*options)
2303                 return 0;
2304
2305         while ((this_opt = strsep(&options, ",")) != NULL) {
2306                 if (!*this_opt) continue;
2307
2308                 dprintk("matroxfb_setup: option %s\n", this_opt);
2309
2310                 if (!strncmp(this_opt, "dev:", 4))
2311                         dev = simple_strtoul(this_opt+4, NULL, 0);
2312                 else if (!strncmp(this_opt, "depth:", 6)) {
2313                         switch (simple_strtoul(this_opt+6, NULL, 0)) {
2314                                 case 0: depth = RSText; break;
2315                                 case 4: depth = RS4bpp; break;
2316                                 case 8: depth = RS8bpp; break;
2317                                 case 15:depth = RS15bpp; break;
2318                                 case 16:depth = RS16bpp; break;
2319                                 case 24:depth = RS24bpp; break;
2320                                 case 32:depth = RS32bpp; break;
2321                                 default:
2322                                         printk(KERN_ERR "matroxfb: unsupported color depth\n");
2323                         }
2324                 } else if (!strncmp(this_opt, "xres:", 5))
2325                         xres = simple_strtoul(this_opt+5, NULL, 0);
2326                 else if (!strncmp(this_opt, "yres:", 5))
2327                         yres = simple_strtoul(this_opt+5, NULL, 0);
2328                 else if (!strncmp(this_opt, "vslen:", 6))
2329                         vslen = simple_strtoul(this_opt+6, NULL, 0);
2330                 else if (!strncmp(this_opt, "hslen:", 6))
2331                         hslen = simple_strtoul(this_opt+6, NULL, 0);
2332                 else if (!strncmp(this_opt, "left:", 5))
2333                         left = simple_strtoul(this_opt+5, NULL, 0);
2334                 else if (!strncmp(this_opt, "right:", 6))
2335                         right = simple_strtoul(this_opt+6, NULL, 0);
2336                 else if (!strncmp(this_opt, "upper:", 6))
2337                         upper = simple_strtoul(this_opt+6, NULL, 0);
2338                 else if (!strncmp(this_opt, "lower:", 6))
2339                         lower = simple_strtoul(this_opt+6, NULL, 0);
2340                 else if (!strncmp(this_opt, "pixclock:", 9))
2341                         pixclock = simple_strtoul(this_opt+9, NULL, 0);
2342                 else if (!strncmp(this_opt, "sync:", 5))
2343                         sync = simple_strtoul(this_opt+5, NULL, 0);
2344                 else if (!strncmp(this_opt, "vesa:", 5))
2345                         vesa = simple_strtoul(this_opt+5, NULL, 0);
2346                 else if (!strncmp(this_opt, "maxclk:", 7))
2347                         maxclk = simple_strtoul(this_opt+7, NULL, 0);
2348                 else if (!strncmp(this_opt, "fh:", 3))
2349                         fh = simple_strtoul(this_opt+3, NULL, 0);
2350                 else if (!strncmp(this_opt, "fv:", 3))
2351                         fv = simple_strtoul(this_opt+3, NULL, 0);
2352                 else if (!strncmp(this_opt, "mem:", 4))
2353                         mem = simple_strtoul(this_opt+4, NULL, 0);
2354                 else if (!strncmp(this_opt, "mode:", 5))
2355                         strlcpy(videomode, this_opt+5, sizeof(videomode));
2356                 else if (!strncmp(this_opt, "outputs:", 8))
2357                         strlcpy(outputs, this_opt+8, sizeof(outputs));
2358                 else if (!strncmp(this_opt, "dfp:", 4)) {
2359                         dfp_type = simple_strtoul(this_opt+4, NULL, 0);
2360                         dfp = 1;
2361                 }
2362 #ifdef CONFIG_PPC_PMAC
2363                 else if (!strncmp(this_opt, "vmode:", 6)) {
2364                         unsigned int vmode = simple_strtoul(this_opt+6, NULL, 0);
2365                         if (vmode > 0 && vmode <= VMODE_MAX)
2366                                 default_vmode = vmode;
2367                 } else if (!strncmp(this_opt, "cmode:", 6)) {
2368                         unsigned int cmode = simple_strtoul(this_opt+6, NULL, 0);
2369                         switch (cmode) {
2370                                 case 0:
2371                                 case 8:
2372                                         default_cmode = CMODE_8;
2373                                         break;
2374                                 case 15:
2375                                 case 16:
2376                                         default_cmode = CMODE_16;
2377                                         break;
2378                                 case 24:
2379                                 case 32:
2380                                         default_cmode = CMODE_32;
2381                                         break;
2382                         }
2383                 }
2384 #endif
2385                 else if (!strcmp(this_opt, "disabled")) /* nodisabled does not exist */
2386                         disabled = 1;
2387                 else if (!strcmp(this_opt, "enabled"))  /* noenabled does not exist */
2388                         disabled = 0;
2389                 else if (!strcmp(this_opt, "sgram"))    /* nosgram == sdram */
2390                         sgram = 1;
2391                 else if (!strcmp(this_opt, "sdram"))
2392                         sgram = 0;
2393                 else if (!strncmp(this_opt, "memtype:", 8))
2394                         memtype = simple_strtoul(this_opt+8, NULL, 0);
2395                 else {
2396                         int value = 1;
2397
2398                         if (!strncmp(this_opt, "no", 2)) {
2399                                 value = 0;
2400                                 this_opt += 2;
2401                         }
2402                         if (! strcmp(this_opt, "inverse"))
2403                                 inverse = value;
2404                         else if (!strcmp(this_opt, "accel"))
2405                                 noaccel = !value;
2406                         else if (!strcmp(this_opt, "pan"))
2407                                 nopan = !value;
2408                         else if (!strcmp(this_opt, "pciretry"))
2409                                 no_pci_retry = !value;
2410                         else if (!strcmp(this_opt, "vga"))
2411                                 novga = !value;
2412                         else if (!strcmp(this_opt, "bios"))
2413                                 nobios = !value;
2414                         else if (!strcmp(this_opt, "init"))
2415                                 noinit = !value;
2416 #ifdef CONFIG_MTRR
2417                         else if (!strcmp(this_opt, "mtrr"))
2418                                 mtrr = value;
2419 #endif
2420                         else if (!strcmp(this_opt, "inv24"))
2421                                 inv24 = value;
2422                         else if (!strcmp(this_opt, "cross4MB"))
2423                                 cross4MB = value;
2424                         else if (!strcmp(this_opt, "grayscale"))
2425                                 grayscale = value;
2426                         else if (!strcmp(this_opt, "dfp"))
2427                                 dfp = value;
2428                         else {
2429                                 strlcpy(videomode, this_opt, sizeof(videomode));
2430                         }
2431                 }
2432         }
2433         return 0;
2434 }
2435
2436 static int __initdata initialized = 0;
2437
2438 static int __init matroxfb_init(void)
2439 {
2440         char *option = NULL;
2441
2442         DBG(__FUNCTION__)
2443
2444         if (fb_get_options("matroxfb", &option))
2445                 return -ENODEV;
2446         matroxfb_setup(option);
2447
2448         if (disabled)
2449                 return -ENXIO;
2450         if (!initialized) {
2451                 initialized = 1;
2452                 matrox_init();
2453         }
2454         hotplug = 1;
2455         /* never return failure, user can hotplug matrox later... */
2456         return 0;
2457 }
2458
2459 module_init(matroxfb_init);
2460
2461 #else
2462
2463 /* *************************** init module code **************************** */
2464
2465 MODULE_AUTHOR("(c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>");
2466 MODULE_DESCRIPTION("Accelerated FBDev driver for Matrox Millennium/Mystique/G100/G200/G400/G450/G550");
2467 MODULE_LICENSE("GPL");
2468
2469 module_param(mem, int, 0);
2470 MODULE_PARM_DESC(mem, "Size of available memory in MB, KB or B (2,4,8,12,16MB, default=autodetect)");
2471 module_param(disabled, int, 0);
2472 MODULE_PARM_DESC(disabled, "Disabled (0 or 1=disabled) (default=0)");
2473 module_param(noaccel, int, 0);
2474 MODULE_PARM_DESC(noaccel, "Do not use accelerating engine (0 or 1=disabled) (default=0)");
2475 module_param(nopan, int, 0);
2476 MODULE_PARM_DESC(nopan, "Disable pan on startup (0 or 1=disabled) (default=0)");
2477 module_param(no_pci_retry, int, 0);
2478 MODULE_PARM_DESC(no_pci_retry, "PCI retries enabled (0 or 1=disabled) (default=0)");
2479 module_param(novga, int, 0);
2480 MODULE_PARM_DESC(novga, "VGA I/O (0x3C0-0x3DF) disabled (0 or 1=disabled) (default=0)");
2481 module_param(nobios, int, 0);
2482 MODULE_PARM_DESC(nobios, "Disables ROM BIOS (0 or 1=disabled) (default=do not change BIOS state)");
2483 module_param(noinit, int, 0);
2484 MODULE_PARM_DESC(noinit, "Disables W/SG/SD-RAM and bus interface initialization (0 or 1=do not initialize) (default=0)");
2485 module_param(memtype, int, 0);
2486 MODULE_PARM_DESC(memtype, "Memory type for G200/G400 (see Documentation/fb/matroxfb.txt for explanation) (default=3 for G200, 0 for G400)");
2487 #ifdef CONFIG_MTRR
2488 module_param(mtrr, int, 0);
2489 MODULE_PARM_DESC(mtrr, "This speeds up video memory accesses (0=disabled or 1) (default=1)");
2490 #endif
2491 module_param(sgram, int, 0);
2492 MODULE_PARM_DESC(sgram, "Indicates that G100/G200/G400 has SGRAM memory (0=SDRAM, 1=SGRAM) (default=0)");
2493 module_param(inv24, int, 0);
2494 MODULE_PARM_DESC(inv24, "Inverts clock polarity for 24bpp and loop frequency > 100MHz (default=do not invert polarity)");
2495 module_param(inverse, int, 0);
2496 MODULE_PARM_DESC(inverse, "Inverse (0 or 1) (default=0)");
2497 #ifdef CONFIG_FB_MATROX_MULTIHEAD
2498 module_param(dev, int, 0);
2499 MODULE_PARM_DESC(dev, "Multihead support, attach to device ID (0..N) (default=all working)");
2500 #else
2501 module_param(dev, int, 0);
2502 MODULE_PARM_DESC(dev, "Multihead support, attach to device ID (0..N) (default=first working)");
2503 #endif
2504 module_param(vesa, int, 0);
2505 MODULE_PARM_DESC(vesa, "Startup videomode (0x000-0x1FF) (default=0x101)");
2506 module_param(xres, int, 0);
2507 MODULE_PARM_DESC(xres, "Horizontal resolution (px), overrides xres from vesa (default=vesa)");
2508 module_param(yres, int, 0);
2509 MODULE_PARM_DESC(yres, "Vertical resolution (scans), overrides yres from vesa (default=vesa)");
2510 module_param(upper, int, 0);
2511 MODULE_PARM_DESC(upper, "Upper blank space (scans), overrides upper from vesa (default=vesa)");
2512 module_param(lower, int, 0);
2513 MODULE_PARM_DESC(lower, "Lower blank space (scans), overrides lower from vesa (default=vesa)");
2514 module_param(vslen, int, 0);
2515 MODULE_PARM_DESC(vslen, "Vertical sync length (scans), overrides lower from vesa (default=vesa)");
2516 module_param(left, int, 0);
2517 MODULE_PARM_DESC(left, "Left blank space (px), overrides left from vesa (default=vesa)");
2518 module_param(right, int, 0);
2519 MODULE_PARM_DESC(right, "Right blank space (px), overrides right from vesa (default=vesa)");
2520 module_param(hslen, int, 0);
2521 MODULE_PARM_DESC(hslen, "Horizontal sync length (px), overrides hslen from vesa (default=vesa)");
2522 module_param(pixclock, int, 0);
2523 MODULE_PARM_DESC(pixclock, "Pixelclock (ns), overrides pixclock from vesa (default=vesa)");
2524 module_param(sync, int, 0);
2525 MODULE_PARM_DESC(sync, "Sync polarity, overrides sync from vesa (default=vesa)");
2526 module_param(depth, int, 0);
2527 MODULE_PARM_DESC(depth, "Color depth (0=text,8,15,16,24,32) (default=vesa)");
2528 module_param(maxclk, int, 0);
2529 MODULE_PARM_DESC(maxclk, "Startup maximal clock, 0-999MHz, 1000-999999kHz, 1000000-INF Hz");
2530 module_param(fh, int, 0);
2531 MODULE_PARM_DESC(fh, "Startup horizontal frequency, 0-999kHz, 1000-INF Hz");
2532 module_param(fv, int, 0);
2533 MODULE_PARM_DESC(fv, "Startup vertical frequency, 0-INF Hz\n"
2534 "You should specify \"fv:max_monitor_vsync,fh:max_monitor_hsync,maxclk:max_monitor_dotclock\"\n");
2535 module_param(grayscale, int, 0);
2536 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)");
2537 module_param(cross4MB, int, 0);
2538 MODULE_PARM_DESC(cross4MB, "Specifies that 4MB boundary can be in middle of line. (default=autodetected)");
2539 module_param(dfp, int, 0);
2540 MODULE_PARM_DESC(dfp, "Specifies whether to use digital flat panel interface of G200/G400 (0 or 1) (default=0)");
2541 module_param(dfp_type, int, 0);
2542 MODULE_PARM_DESC(dfp_type, "Specifies DFP interface type (0 to 255) (default=read from hardware)");
2543 module_param_string(outputs, outputs, sizeof(outputs), 0);
2544 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)");
2545 #ifdef CONFIG_PPC_PMAC
2546 module_param_named(vmode, default_vmode, int, 0);
2547 MODULE_PARM_DESC(vmode, "Specify the vmode mode number that should be used (640x480 default)");
2548 module_param_named(cmode, default_cmode, int, 0);
2549 MODULE_PARM_DESC(cmode, "Specify the video depth that should be used (8bit default)");
2550 #endif
2551
2552 int __init init_module(void){
2553
2554         DBG(__FUNCTION__)
2555
2556         if (disabled)
2557                 return -ENXIO;
2558
2559         if (depth == 0)
2560                 depth = RSText;
2561         else if (depth == 4)
2562                 depth = RS4bpp;
2563         else if (depth == 8)
2564                 depth = RS8bpp;
2565         else if (depth == 15)
2566                 depth = RS15bpp;
2567         else if (depth == 16)
2568                 depth = RS16bpp;
2569         else if (depth == 24)
2570                 depth = RS24bpp;
2571         else if (depth == 32)
2572                 depth = RS32bpp;
2573         else if (depth != -1) {
2574                 printk(KERN_ERR "matroxfb: depth %d is not supported, using default\n", depth);
2575                 depth = -1;
2576         }
2577         matrox_init();
2578         /* never return failure; user can hotplug matrox later... */
2579         return 0;
2580 }
2581 #endif  /* MODULE */
2582
2583 module_exit(matrox_done);
2584 EXPORT_SYMBOL(matroxfb_register_driver);
2585 EXPORT_SYMBOL(matroxfb_unregister_driver);
2586 EXPORT_SYMBOL(matroxfb_wait_for_sync);
2587 EXPORT_SYMBOL(matroxfb_enable_irq);
2588
2589 /*
2590  * Overrides for Emacs so that we follow Linus's tabbing style.
2591  * ---------------------------------------------------------------------------
2592  * Local variables:
2593  * c-basic-offset: 8
2594  * End:
2595  */
2596