git.oblomov.eu Git - linux-2.6/blob - 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 /* make checkconfig does not check included files... */
 103 #include <linux/config.h>
 104 #include <linux/version.h>
 105
 106 #include "matroxfb_base.h"
 107 #include "matroxfb_misc.h"
 108 #include "matroxfb_accel.h"
 109 #include "matroxfb_DAC1064.h"
 110 #include "matroxfb_Ti3026.h"
 111 #include "matroxfb_maven.h"
 112 #include "matroxfb_crtc2.h"
 113 #include "matroxfb_g450.h"
 114 #include <linux/matroxfb.h>
 115 #include <linux/interrupt.h>
 116 #include <asm/uaccess.h>
 117
 118 #ifdef CONFIG_PPC_PMAC
 119 unsigned char nvram_read_byte(int);
 120 static int default_vmode = VMODE_NVRAM;
 121 static int default_cmode = CMODE_NVRAM;
 122 #endif
 123
 124 static void matroxfb_unregister_device(struct matrox_fb_info* minfo);
 125
 126 /* --------------------------------------------------------------------- */
 127
 128 /*
 129  * card parameters
 130  */
 131
 132 /* --------------------------------------------------------------------- */
 133
 134 static struct fb_var_screeninfo vesafb_defined = {
 135         640,480,640,480,/* W,H, W, H (virtual) load xres,xres_virtual*/
 136         0,0,            /* virtual -> visible no offset */
 137         8,              /* depth -> load bits_per_pixel */
 138         0,              /* greyscale ? */
 139         {0,0,0},        /* R */
 140         {0,0,0},        /* G */
 141         {0,0,0},        /* B */
 142         {0,0,0},        /* transparency */
 143         0,              /* standard pixel format */
 144         FB_ACTIVATE_NOW,
 145         -1,-1,
 146         FB_ACCELF_TEXT, /* accel flags */
 147         39721L,48L,16L,33L,10L,
 148         96L,2L,~0,      /* No sync info */
 149         FB_VMODE_NONINTERLACED,
 150         0, {0,0,0,0,0}
 151 };
 152
 153
 154
 155 /* --------------------------------------------------------------------- */
 156 static void update_crtc2(WPMINFO unsigned int pos) {
 157         struct matroxfb_dh_fb_info* info = ACCESS_FBINFO(crtc2.info);
 158
 159         /* Make sure that displays are compatible */
 160         if (info && (info->fbcon.var.bits_per_pixel == ACCESS_FBINFO(fbcon).var.bits_per_pixel)
 161                  && (info->fbcon.var.xres_virtual == ACCESS_FBINFO(fbcon).var.xres_virtual)
 162                  && (info->fbcon.var.green.length == ACCESS_FBINFO(fbcon).var.green.length)
 163                  ) {
 164                 switch (ACCESS_FBINFO(fbcon).var.bits_per_pixel) {
 165                         case 16:
 166                         case 32:
 167                                 pos = pos * 8;
 168                                 if (info->interlaced) {
 169                                         mga_outl(0x3C2C, pos);
 170                                         mga_outl(0x3C28, pos + ACCESS_FBINFO(fbcon).var.xres_virtual * ACCESS_FBINFO(fbcon).var.bits_per_pixel / 8);
 171                                 } else {
 172                                         mga_outl(0x3C28, pos);
 173                                 }
 174                                 break;
 175                 }
 176         }
 177 }
 178
 179 static void matroxfb_crtc1_panpos(WPMINFO2) {
 180         if (ACCESS_FBINFO(crtc1.panpos) >= 0) {
 181                 unsigned long flags;
 182                 int panpos;
 183
 184                 matroxfb_DAC_lock_irqsave(flags);
 185                 panpos = ACCESS_FBINFO(crtc1.panpos);
 186                 if (panpos >= 0) {
 187                         unsigned int extvga_reg;
 188
 189                         ACCESS_FBINFO(crtc1.panpos) = -1; /* No update pending anymore */
 190                         extvga_reg = mga_inb(M_EXTVGA_INDEX);
 191                         mga_setr(M_EXTVGA_INDEX, 0x00, panpos);
 192                         if (extvga_reg != 0x00) {
 193                                 mga_outb(M_EXTVGA_INDEX, extvga_reg);
 194                         }
 195                 }
 196                 matroxfb_DAC_unlock_irqrestore(flags);
 197         }
 198 }
 199
 200 static irqreturn_t matrox_irq(int irq, void *dev_id, struct pt_regs *fp)
 201 {
 202         u_int32_t status;
 203         int handled = 0;
 204
 205         MINFO_FROM(dev_id);
 206
 207         status = mga_inl(M_STATUS);
 208
 209         if (status & 0x20) {
 210                 mga_outl(M_ICLEAR, 0x20);
 211                 ACCESS_FBINFO(crtc1.vsync.cnt)++;
 212                 matroxfb_crtc1_panpos(PMINFO2);
 213                 wake_up_interruptible(&ACCESS_FBINFO(crtc1.vsync.wait));
 214                 handled = 1;
 215         }
 216         if (status & 0x200) {
 217                 mga_outl(M_ICLEAR, 0x200);
 218                 ACCESS_FBINFO(crtc2.vsync.cnt)++;
 219                 wake_up_interruptible(&ACCESS_FBINFO(crtc2.vsync.wait));
 220                 handled = 1;
 221         }
 222         return IRQ_RETVAL(handled);
 223 }
 224
 225 int matroxfb_enable_irq(WPMINFO int reenable) {
 226         u_int32_t bm;
 227
 228         if (ACCESS_FBINFO(devflags.accelerator) == FB_ACCEL_MATROX_MGAG400)
 229                 bm = 0x220;
 230         else
 231                 bm = 0x020;
 232
 233         if (!test_and_set_bit(0, &ACCESS_FBINFO(irq_flags))) {
 234                 if (request_irq(ACCESS_FBINFO(pcidev)->irq, matrox_irq,
 235                                 SA_SHIRQ, "matroxfb", MINFO)) {
 236                         clear_bit(0, &ACCESS_FBINFO(irq_flags));
 237                         return -EINVAL;
 238                 }
 239                 /* Clear any pending field interrupts */
 240                 mga_outl(M_ICLEAR, bm);
 241                 mga_outl(M_IEN, mga_inl(M_IEN) | bm);
 242         } else if (reenable) {
 243                 u_int32_t ien;
 244
 245                 ien = mga_inl(M_IEN);
 246                 if ((ien & bm) != bm) {
 247                         printk(KERN_DEBUG "matroxfb: someone disabled IRQ [%08X]\n", ien);
 248                         mga_outl(M_IEN, ien | bm);
 249                 }
 250         }
 251         return 0;
 252 }
 253
 254 static void matroxfb_disable_irq(WPMINFO2) {
 255         if (test_and_clear_bit(0, &ACCESS_FBINFO(irq_flags))) {
 256                 /* Flush pending pan-at-vbl request... */
 257                 matroxfb_crtc1_panpos(PMINFO2);
 258                 if (ACCESS_FBINFO(devflags.accelerator) == FB_ACCEL_MATROX_MGAG400)
 259                         mga_outl(M_IEN, mga_inl(M_IEN) & ~0x220);
 260                 else
 261                         mga_outl(M_IEN, mga_inl(M_IEN) & ~0x20);
 262                 free_irq(ACCESS_FBINFO(pcidev)->irq, MINFO);
 263         }
 264 }
 265
 266 int matroxfb_wait_for_sync(WPMINFO u_int32_t crtc) {
 267         wait_queue_t __wait;
 268         struct matrox_vsync *vs;
 269         unsigned int cnt;
 270         int ret;
 271
 272         switch (crtc) {
 273                 case 0:
 274                         vs = &ACCESS_FBINFO(crtc1.vsync);
 275                         break;
 276                 case 1:
 277                         if (ACCESS_FBINFO(devflags.accelerator) != FB_ACCEL_MATROX_MGAG400) {
 278                                 return -ENODEV;
 279                         }
 280                         vs = &ACCESS_FBINFO(crtc2.vsync);
 281                         break;
 282                 default:
 283                         return -ENODEV;
 284         }
 285         ret = matroxfb_enable_irq(PMINFO 0);
 286         if (ret) {
 287                 return ret;
 288         }
 289         init_waitqueue_entry(&__wait, current);
 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         if (!xres_new) return 0;
 504         if (xres != xres_new) {
 505                 printk(KERN_INFO "matroxfb: cannot set xres to %d, rounded up to %d\n", xres, xres_new);
 506         }
 507         return xres_new;
 508 }
 509
 510 static int matroxfb_get_cmap_len(struct fb_var_screeninfo *var) {
 511
 512         DBG(__FUNCTION__)
 513
 514         switch (var->bits_per_pixel) {
 515                 case 4:
 516                         return 16;      /* pseudocolor... 16 entries HW palette */
 517                 case 8:
 518                         return 256;     /* pseudocolor... 256 entries HW palette */
 519                 case 16:
 520                         return 16;      /* directcolor... 16 entries SW palette */
 521                                         /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 522                 case 24:
 523                         return 16;      /* directcolor... 16 entries SW palette */
 524                                         /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 525                 case 32:
 526                         return 16;      /* directcolor... 16 entries SW palette */
 527                                         /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 528         }
 529         return 16;      /* return something reasonable... or panic()? */
 530 }
 531
 532 static int matroxfb_decode_var(CPMINFO struct fb_var_screeninfo *var, int *visual, int *video_cmap_len, unsigned int* ydstorg) {
 533         struct RGBT {
 534                 unsigned char bpp;
 535                 struct {
 536                         unsigned char offset,
 537                                       length;
 538                 } red,
 539                   green,
 540                   blue,
 541                   transp;
 542                 signed char visual;
 543         };
 544         static const struct RGBT table[]= {
 545                 { 8,{ 0,8},{0,8},{0,8},{ 0,0},MX_VISUAL_PSEUDOCOLOR},
 546                 {15,{10,5},{5,5},{0,5},{15,1},MX_VISUAL_DIRECTCOLOR},
 547                 {16,{11,5},{5,6},{0,5},{ 0,0},MX_VISUAL_DIRECTCOLOR},
 548                 {24,{16,8},{8,8},{0,8},{ 0,0},MX_VISUAL_DIRECTCOLOR},
 549                 {32,{16,8},{8,8},{0,8},{24,8},MX_VISUAL_DIRECTCOLOR}
 550         };
 551         struct RGBT const *rgbt;
 552         unsigned int bpp = var->bits_per_pixel;
 553         unsigned int vramlen;
 554         unsigned int memlen;
 555
 556         DBG(__FUNCTION__)
 557
 558         switch (bpp) {
 559                 case 4:  if (!ACCESS_FBINFO(capable.cfb4)) return -EINVAL;
 560                          break;
 561                 case 8:  break;
 562                 case 16: break;
 563                 case 24: break;
 564                 case 32: break;
 565                 default: return -EINVAL;
 566         }
 567         *ydstorg = 0;
 568         vramlen = ACCESS_FBINFO(video.len_usable);
 569         if (var->yres_virtual < var->yres)
 570                 var->yres_virtual = var->yres;
 571         if (var->xres_virtual < var->xres)
 572                 var->xres_virtual = var->xres;
 573
 574         var->xres_virtual = matroxfb_pitch_adjust(PMINFO var->xres_virtual, bpp);
 575         memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
 576         if (memlen > vramlen) {
 577                 var->yres_virtual = vramlen * 8 / (var->xres_virtual * bpp);
 578                 memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
 579         }
 580         /* There is hardware bug that no line can cross 4MB boundary */
 581         /* give up for CFB24, it is impossible to easy workaround it */
 582         /* for other try to do something */
 583         if (!ACCESS_FBINFO(capable.cross4MB) && (memlen > 0x400000)) {
 584                 if (bpp == 24) {
 585                         /* sorry */
 586                 } else {
 587                         unsigned int linelen;
 588                         unsigned int m1 = linelen = var->xres_virtual * bpp / 8;
 589                         unsigned int m2 = PAGE_SIZE;    /* or 128 if you do not need PAGE ALIGNED address */
 590                         unsigned int max_yres;
 591
 592                         while (m1) {
 593                                 int t;
 594
 595                                 while (m2 >= m1) m2 -= m1;
 596                                 t = m1;
 597                                 m1 = m2;
 598                                 m2 = t;
 599                         }
 600                         m2 = linelen * PAGE_SIZE / m2;
 601                         *ydstorg = m2 = 0x400000 % m2;
 602                         max_yres = (vramlen - m2) / linelen;
 603                         if (var->yres_virtual > max_yres)
 604                                 var->yres_virtual = max_yres;
 605                 }
 606         }
 607         /* YDSTLEN contains only signed 16bit value */
 608         if (var->yres_virtual > 32767)
 609                 var->yres_virtual = 32767;
 610         /* we must round yres/xres down, we already rounded y/xres_virtual up
 611            if it was possible. We should return -EINVAL, but I disagree */
 612         if (var->yres_virtual < var->yres)
 613                 var->yres = var->yres_virtual;
 614         if (var->xres_virtual < var->xres)
 615                 var->xres = var->xres_virtual;
 616         if (var->xoffset + var->xres > var->xres_virtual)
 617                 var->xoffset = var->xres_virtual - var->xres;
 618         if (var->yoffset + var->yres > var->yres_virtual)
 619                 var->yoffset = var->yres_virtual - var->yres;
 620
 621         if (bpp == 16 && var->green.length == 5) {
 622                 bpp--; /* an artifical value - 15 */
 623         }
 624
 625         for (rgbt = table; rgbt->bpp < bpp; rgbt++);
 626 #define SETCLR(clr)\
 627         var->clr.offset = rgbt->clr.offset;\
 628         var->clr.length = rgbt->clr.length
 629         SETCLR(red);
 630         SETCLR(green);
 631         SETCLR(blue);
 632         SETCLR(transp);
 633 #undef  SETCLR
 634         *visual = rgbt->visual;
 635
 636         if (bpp > 8)
 637                 dprintk("matroxfb: truecolor: "
 638                         "size=%d:%d:%d:%d, shift=%d:%d:%d:%d\n",
 639                         var->transp.length, var->red.length, var->green.length, var->blue.length,
 640                         var->transp.offset, var->red.offset, var->green.offset, var->blue.offset);
 641
 642         *video_cmap_len = matroxfb_get_cmap_len(var);
 643         dprintk(KERN_INFO "requested %d*%d/%dbpp (%d*%d)\n", var->xres, var->yres, var->bits_per_pixel,
 644                                 var->xres_virtual, var->yres_virtual);
 645         return 0;
 646 }
 647
 648 static int matroxfb_setcolreg(unsigned regno, unsigned red, unsigned green,
 649                               unsigned blue, unsigned transp,
 650                               struct fb_info *fb_info)
 651 {
 652 #ifdef CONFIG_FB_MATROX_MULTIHEAD
 653         struct matrox_fb_info* minfo = container_of(fb_info, struct matrox_fb_info, fbcon);
 654 #endif
 655
 656         DBG(__FUNCTION__)
 657
 658         /*
 659          *  Set a single color register. The values supplied are
 660          *  already rounded down to the hardware's capabilities
 661          *  (according to the entries in the `var' structure). Return
 662          *  != 0 for invalid regno.
 663          */
 664
 665         if (regno >= ACCESS_FBINFO(curr.cmap_len))
 666                 return 1;
 667
 668         if (ACCESS_FBINFO(fbcon).var.grayscale) {
 669                 /* gray = 0.30*R + 0.59*G + 0.11*B */
 670                 red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
 671         }
 672
 673         red = CNVT_TOHW(red, ACCESS_FBINFO(fbcon).var.red.length);
 674         green = CNVT_TOHW(green, ACCESS_FBINFO(fbcon).var.green.length);
 675         blue = CNVT_TOHW(blue, ACCESS_FBINFO(fbcon).var.blue.length);
 676         transp = CNVT_TOHW(transp, ACCESS_FBINFO(fbcon).var.transp.length);
 677
 678         switch (ACCESS_FBINFO(fbcon).var.bits_per_pixel) {
 679         case 4:
 680         case 8:
 681                 mga_outb(M_DAC_REG, regno);
 682                 mga_outb(M_DAC_VAL, red);
 683                 mga_outb(M_DAC_VAL, green);
 684                 mga_outb(M_DAC_VAL, blue);
 685                 break;
 686         case 16:
 687                 {
 688                         u_int16_t col =
 689                                 (red << ACCESS_FBINFO(fbcon).var.red.offset)     |
 690                                 (green << ACCESS_FBINFO(fbcon).var.green.offset) |
 691                                 (blue << ACCESS_FBINFO(fbcon).var.blue.offset)   |
 692                                 (transp << ACCESS_FBINFO(fbcon).var.transp.offset); /* for 1:5:5:5 */
 693                         ACCESS_FBINFO(cmap[regno]) = col | (col << 16);
 694                 }
 695                 break;
 696         case 24:
 697         case 32:
 698                 ACCESS_FBINFO(cmap[regno]) =
 699                         (red   << ACCESS_FBINFO(fbcon).var.red.offset)   |
 700                         (green << ACCESS_FBINFO(fbcon).var.green.offset) |
 701                         (blue  << ACCESS_FBINFO(fbcon).var.blue.offset)  |
 702                         (transp << ACCESS_FBINFO(fbcon).var.transp.offset);     /* 8:8:8:8 */
 703                 break;
 704         }
 705         return 0;
 706 }
 707
 708 static void matroxfb_init_fix(WPMINFO2)
 709 {
 710         struct fb_fix_screeninfo *fix = &ACCESS_FBINFO(fbcon).fix;
 711         DBG(__FUNCTION__)
 712
 713         strcpy(fix->id,"MATROX");
 714
 715         fix->xpanstep = 8;      /* 8 for 8bpp, 4 for 16bpp, 2 for 32bpp */
 716         fix->ypanstep = 1;
 717         fix->ywrapstep = 0;
 718         fix->mmio_start = ACCESS_FBINFO(mmio.base);
 719         fix->mmio_len = ACCESS_FBINFO(mmio.len);
 720         fix->accel = ACCESS_FBINFO(devflags.accelerator);
 721 }
 722
 723 static void matroxfb_update_fix(WPMINFO2)
 724 {
 725         struct fb_fix_screeninfo *fix = &ACCESS_FBINFO(fbcon).fix;
 726         DBG(__FUNCTION__)
 727
 728         fix->smem_start = ACCESS_FBINFO(video.base) + ACCESS_FBINFO(curr.ydstorg.bytes);
 729         fix->smem_len = ACCESS_FBINFO(video.len_usable) - ACCESS_FBINFO(curr.ydstorg.bytes);
 730 }
 731
 732 static int matroxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 733 {
 734         int err;
 735         int visual;
 736         int cmap_len;
 737         unsigned int ydstorg;
 738         MINFO_FROM_INFO(info);
 739
 740         if (ACCESS_FBINFO(dead)) {
 741                 return -ENXIO;
 742         }
 743         if ((err = matroxfb_decode_var(PMINFO var, &visual, &cmap_len, &ydstorg)) != 0)
 744                 return err;
 745         return 0;
 746 }
 747
 748 static int matroxfb_set_par(struct fb_info *info)
 749 {
 750         int err;
 751         int visual;
 752         int cmap_len;
 753         unsigned int ydstorg;
 754         struct fb_var_screeninfo *var;
 755         MINFO_FROM_INFO(info);
 756
 757         DBG(__FUNCTION__)
 758
 759         if (ACCESS_FBINFO(dead)) {
 760                 return -ENXIO;
 761         }
 762
 763         var = &info->var;
 764         if ((err = matroxfb_decode_var(PMINFO var, &visual, &cmap_len, &ydstorg)) != 0)
 765                 return err;
 766         ACCESS_FBINFO(fbcon.screen_base) = vaddr_va(ACCESS_FBINFO(video.vbase)) + ydstorg;
 767         matroxfb_update_fix(PMINFO2);
 768         ACCESS_FBINFO(fbcon).fix.visual = visual;
 769         ACCESS_FBINFO(fbcon).fix.type = FB_TYPE_PACKED_PIXELS;
 770         ACCESS_FBINFO(fbcon).fix.type_aux = 0;
 771         ACCESS_FBINFO(fbcon).fix.line_length = (var->xres_virtual * var->bits_per_pixel) >> 3;
 772         {
 773                 unsigned int pos;
 774
 775                 ACCESS_FBINFO(curr.cmap_len) = cmap_len;
 776                 ydstorg += ACCESS_FBINFO(devflags.ydstorg);
 777                 ACCESS_FBINFO(curr.ydstorg.bytes) = ydstorg;
 778                 ACCESS_FBINFO(curr.ydstorg.chunks) = ydstorg >> (isInterleave(MINFO)?3:2);
 779                 if (var->bits_per_pixel == 4)
 780                         ACCESS_FBINFO(curr.ydstorg.pixels) = ydstorg;
 781                 else
 782                         ACCESS_FBINFO(curr.ydstorg.pixels) = (ydstorg * 8) / var->bits_per_pixel;
 783                 ACCESS_FBINFO(curr.final_bppShift) = matroxfb_get_final_bppShift(PMINFO var->bits_per_pixel);
 784                 {       struct my_timming mt;
 785                         struct matrox_hw_state* hw;
 786                         int out;
 787
 788                         matroxfb_var2my(var, &mt);
 789                         mt.crtc = MATROXFB_SRC_CRTC1;
 790                         /* CRTC1 delays */
 791                         switch (var->bits_per_pixel) {
 792                                 case  0:        mt.delay = 31 + 0; break;
 793                                 case 16:        mt.delay = 21 + 8; break;
 794                                 case 24:        mt.delay = 17 + 8; break;
 795                                 case 32:        mt.delay = 16 + 8; break;
 796                                 default:        mt.delay = 31 + 8; break;
 797                         }
 798
 799                         hw = &ACCESS_FBINFO(hw);
 800
 801                         down_read(&ACCESS_FBINFO(altout).lock);
 802                         for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 803                                 if (ACCESS_FBINFO(outputs[out]).src == MATROXFB_SRC_CRTC1 &&
 804                                     ACCESS_FBINFO(outputs[out]).output->compute) {
 805                                         ACCESS_FBINFO(outputs[out]).output->compute(ACCESS_FBINFO(outputs[out]).data, &mt);
 806                                 }
 807                         }
 808                         up_read(&ACCESS_FBINFO(altout).lock);
 809                         ACCESS_FBINFO(crtc1).pixclock = mt.pixclock;
 810                         ACCESS_FBINFO(crtc1).mnp = mt.mnp;
 811                         ACCESS_FBINFO(hw_switch->init(PMINFO &mt));
 812                         pos = (var->yoffset * var->xres_virtual + var->xoffset) * ACCESS_FBINFO(curr.final_bppShift) / 32;
 813                         pos += ACCESS_FBINFO(curr.ydstorg.chunks);
 814
 815                         hw->CRTC[0x0D] = pos & 0xFF;
 816                         hw->CRTC[0x0C] = (pos & 0xFF00) >> 8;
 817                         hw->CRTCEXT[0] = (hw->CRTCEXT[0] & 0xF0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
 818                         hw->CRTCEXT[8] = pos >> 21;
 819                         ACCESS_FBINFO(hw_switch->restore(PMINFO2));
 820                         update_crtc2(PMINFO pos);
 821                         down_read(&ACCESS_FBINFO(altout).lock);
 822                         for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 823                                 if (ACCESS_FBINFO(outputs[out]).src == MATROXFB_SRC_CRTC1 &&
 824                                     ACCESS_FBINFO(outputs[out]).output->program) {
 825                                         ACCESS_FBINFO(outputs[out]).output->program(ACCESS_FBINFO(outputs[out]).data);
 826                                 }
 827                         }
 828                         for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 829                                 if (ACCESS_FBINFO(outputs[out]).src == MATROXFB_SRC_CRTC1 &&
 830                                     ACCESS_FBINFO(outputs[out]).output->start) {
 831                                         ACCESS_FBINFO(outputs[out]).output->start(ACCESS_FBINFO(outputs[out]).data);
 832                                 }
 833                         }
 834                         up_read(&ACCESS_FBINFO(altout).lock);
 835                         matrox_cfbX_init(PMINFO2);
 836                 }
 837         }
 838         ACCESS_FBINFO(initialized) = 1;
 839         return 0;
 840 }
 841
 842 static int matroxfb_get_vblank(WPMINFO struct fb_vblank *vblank)
 843 {
 844         unsigned int sts1;
 845
 846         matroxfb_enable_irq(PMINFO 0);
 847         memset(vblank, 0, sizeof(*vblank));
 848         vblank->flags = FB_VBLANK_HAVE_VCOUNT | FB_VBLANK_HAVE_VSYNC |
 849                         FB_VBLANK_HAVE_VBLANK | FB_VBLANK_HAVE_HBLANK;
 850         sts1 = mga_inb(M_INSTS1);
 851         vblank->vcount = mga_inl(M_VCOUNT);
 852         /* BTW, on my PIII/450 with G400, reading M_INSTS1
 853            byte makes this call about 12% slower (1.70 vs. 2.05 us
 854            per ioctl()) */
 855         if (sts1 & 1)
 856                 vblank->flags |= FB_VBLANK_HBLANKING;
 857         if (sts1 & 8)
 858                 vblank->flags |= FB_VBLANK_VSYNCING;
 859         if (vblank->vcount >= ACCESS_FBINFO(fbcon).var.yres)
 860                 vblank->flags |= FB_VBLANK_VBLANKING;
 861         if (test_bit(0, &ACCESS_FBINFO(irq_flags))) {
 862                 vblank->flags |= FB_VBLANK_HAVE_COUNT;
 863                 /* Only one writer, aligned int value...
 864                    it should work without lock and without atomic_t */
 865                 vblank->count = ACCESS_FBINFO(crtc1).vsync.cnt;
 866         }
 867         return 0;
 868 }
 869
 870 static struct matrox_altout panellink_output = {
 871         .name    = "Panellink output",
 872 };
 873
 874 static int matroxfb_ioctl(struct inode *inode, struct file *file,
 875                           unsigned int cmd, unsigned long arg,
 876                           struct fb_info *info)
 877 {
 878         void __user *argp = (void __user *)arg;
 879         MINFO_FROM_INFO(info);
 880
 881         DBG(__FUNCTION__)
 882
 883         if (ACCESS_FBINFO(dead)) {
 884                 return -ENXIO;
 885         }
 886
 887         switch (cmd) {
 888                 case FBIOGET_VBLANK:
 889                         {
 890                                 struct fb_vblank vblank;
 891                                 int err;
 892
 893                                 err = matroxfb_get_vblank(PMINFO &vblank);
 894                                 if (err)
 895                                         return err;
 896                                 if (copy_to_user(argp, &vblank, sizeof(vblank)))
 897                                         return -EFAULT;
 898                                 return 0;
 899                         }
 900                 case FBIO_WAITFORVSYNC:
 901                         {
 902                                 u_int32_t crt;
 903
 904                                 if (get_user(crt, (u_int32_t __user *)arg))
 905                                         return -EFAULT;
 906
 907                                 return matroxfb_wait_for_sync(PMINFO crt);
 908                         }
 909                 case MATROXFB_SET_OUTPUT_MODE:
 910                         {
 911                                 struct matroxioc_output_mode mom;
 912                                 struct matrox_altout *oproc;
 913                                 int val;
 914
 915                                 if (copy_from_user(&mom, argp, sizeof(mom)))
 916                                         return -EFAULT;
 917                                 if (mom.output >= MATROXFB_MAX_OUTPUTS)
 918                                         return -ENXIO;
 919                                 down_read(&ACCESS_FBINFO(altout.lock));
 920                                 oproc = ACCESS_FBINFO(outputs[mom.output]).output;
 921                                 if (!oproc) {
 922                                         val = -ENXIO;
 923                                 } else if (!oproc->verifymode) {
 924                                         if (mom.mode == MATROXFB_OUTPUT_MODE_MONITOR) {
 925                                                 val = 0;
 926                                         } else {
 927                                                 val = -EINVAL;
 928                                         }
 929                                 } else {
 930                                         val = oproc->verifymode(ACCESS_FBINFO(outputs[mom.output]).data, mom.mode);
 931                                 }
 932                                 if (!val) {
 933                                         if (ACCESS_FBINFO(outputs[mom.output]).mode != mom.mode) {
 934                                                 ACCESS_FBINFO(outputs[mom.output]).mode = mom.mode;
 935                                                 val = 1;
 936                                         }
 937                                 }
 938                                 up_read(&ACCESS_FBINFO(altout.lock));
 939                                 if (val != 1)
 940                                         return val;
 941                                 switch (ACCESS_FBINFO(outputs[mom.output]).src) {
 942                                         case MATROXFB_SRC_CRTC1:
 943                                                 matroxfb_set_par(info);
 944                                                 break;
 945                                         case MATROXFB_SRC_CRTC2:
 946                                                 {
 947                                                         struct matroxfb_dh_fb_info* crtc2;
 948
 949                                                         down_read(&ACCESS_FBINFO(crtc2.lock));
 950                                                         crtc2 = ACCESS_FBINFO(crtc2.info);
 951                                                         if (crtc2)
 952                                                                 crtc2->fbcon.fbops->fb_set_par(&crtc2->fbcon);
 953                                                         up_read(&ACCESS_FBINFO(crtc2.lock));
 954                                                 }
 955                                                 break;
 956                                 }
 957                                 return 0;
 958                         }
 959                 case MATROXFB_GET_OUTPUT_MODE:
 960                         {
 961                                 struct matroxioc_output_mode mom;
 962                                 struct matrox_altout *oproc;
 963                                 int val;
 964
 965                                 if (copy_from_user(&mom, argp, sizeof(mom)))
 966                                         return -EFAULT;
 967                                 if (mom.output >= MATROXFB_MAX_OUTPUTS)
 968                                         return -ENXIO;
 969                                 down_read(&ACCESS_FBINFO(altout.lock));
 970                                 oproc = ACCESS_FBINFO(outputs[mom.output]).output;
 971                                 if (!oproc) {
 972                                         val = -ENXIO;
 973                                 } else {
 974                                         mom.mode = ACCESS_FBINFO(outputs[mom.output]).mode;
 975                                         val = 0;
 976                                 }
 977                                 up_read(&ACCESS_FBINFO(altout.lock));
 978                                 if (val)
 979                                         return val;
 980                                 if (copy_to_user(argp, &mom, sizeof(mom)))
 981                                         return -EFAULT;
 982                                 return 0;
 983                         }
 984                 case MATROXFB_SET_OUTPUT_CONNECTION:
 985                         {
 986                                 u_int32_t tmp;
 987                                 int i;
 988                                 int changes;
 989
 990                                 if (copy_from_user(&tmp, argp, sizeof(tmp)))
 991                                         return -EFAULT;
 992                                 for (i = 0; i < 32; i++) {
 993                                         if (tmp & (1 << i)) {
 994                                                 if (i >= MATROXFB_MAX_OUTPUTS)
 995                                                         return -ENXIO;
 996                                                 if (!ACCESS_FBINFO(outputs[i]).output)
 997                                                         return -ENXIO;
 998                                                 switch (ACCESS_FBINFO(outputs[i]).src) {
 999                                                         case MATROXFB_SRC_NONE:
1000                                                         case MATROXFB_SRC_CRTC1:
1001                                                                 break;
1002                                                         default:
1003                                                                 return -EBUSY;
1004                                                 }
1005                                         }
1006                                 }
1007                                 if (ACCESS_FBINFO(devflags.panellink)) {
1008                                         if (tmp & MATROXFB_OUTPUT_CONN_DFP) {
1009                                                 if (tmp & MATROXFB_OUTPUT_CONN_SECONDARY)
1010                                                         return -EINVAL;
1011                                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1012                                                         if (ACCESS_FBINFO(outputs[i]).src == MATROXFB_SRC_CRTC2) {
1013                                                                 return -EBUSY;
1014                                                         }
1015                                                 }
1016                                         }
1017                                 }
1018                                 changes = 0;
1019                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1020                                         if (tmp & (1 << i)) {
1021                                                 if (ACCESS_FBINFO(outputs[i]).src != MATROXFB_SRC_CRTC1) {
1022                                                         changes = 1;
1023                                                         ACCESS_FBINFO(outputs[i]).src = MATROXFB_SRC_CRTC1;
1024                                                 }
1025                                         } else if (ACCESS_FBINFO(outputs[i]).src == MATROXFB_SRC_CRTC1) {
1026                                                 changes = 1;
1027                                                 ACCESS_FBINFO(outputs[i]).src = MATROXFB_SRC_NONE;
1028                                         }
1029                                 }
1030                                 if (!changes)
1031                                         return 0;
1032                                 matroxfb_set_par(info);
1033                                 return 0;
1034                         }
1035                 case MATROXFB_GET_OUTPUT_CONNECTION:
1036                         {
1037                                 u_int32_t conn = 0;
1038                                 int i;
1039
1040                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1041                                         if (ACCESS_FBINFO(outputs[i]).src == MATROXFB_SRC_CRTC1) {
1042                                                 conn |= 1 << i;
1043                                         }
1044                                 }
1045                                 if (put_user(conn, (u_int32_t __user *)arg))
1046                                         return -EFAULT;
1047                                 return 0;
1048                         }
1049                 case MATROXFB_GET_AVAILABLE_OUTPUTS:
1050                         {
1051                                 u_int32_t conn = 0;
1052                                 int i;
1053
1054                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1055                                         if (ACCESS_FBINFO(outputs[i]).output) {
1056                                                 switch (ACCESS_FBINFO(outputs[i]).src) {
1057                                                         case MATROXFB_SRC_NONE:
1058                                                         case MATROXFB_SRC_CRTC1:
1059                                                                 conn |= 1 << i;
1060                                                                 break;
1061                                                 }
1062                                         }
1063                                 }
1064                                 if (ACCESS_FBINFO(devflags.panellink)) {
1065                                         if (conn & MATROXFB_OUTPUT_CONN_DFP)
1066                                                 conn &= ~MATROXFB_OUTPUT_CONN_SECONDARY;
1067                                         if (conn & MATROXFB_OUTPUT_CONN_SECONDARY)
1068                                                 conn &= ~MATROXFB_OUTPUT_CONN_DFP;
1069                                 }
1070                                 if (put_user(conn, (u_int32_t __user *)arg))
1071                                         return -EFAULT;
1072                                 return 0;
1073                         }
1074                 case MATROXFB_GET_ALL_OUTPUTS:
1075                         {
1076                                 u_int32_t conn = 0;
1077                                 int i;
1078
1079                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1080                                         if (ACCESS_FBINFO(outputs[i]).output) {
1081                                                 conn |= 1 << i;
1082                                         }
1083                                 }
1084                                 if (put_user(conn, (u_int32_t __user *)arg))
1085                                         return -EFAULT;
1086                                 return 0;
1087                         }
1088                 case VIDIOC_QUERYCAP:
1089                         {
1090                                 struct v4l2_capability r;
1091
1092                                 memset(&r, 0, sizeof(r));
1093                                 strcpy(r.driver, "matroxfb");
1094                                 strcpy(r.card, "Matrox");
1095                                 sprintf(r.bus_info, "PCI:%s", pci_name(ACCESS_FBINFO(pcidev)));
1096                                 r.version = KERNEL_VERSION(1,0,0);
1097                                 r.capabilities = V4L2_CAP_VIDEO_OUTPUT;
1098                                 if (copy_to_user(argp, &r, sizeof(r)))
1099                                         return -EFAULT;
1100                                 return 0;
1101
1102                         }
1103                 case VIDIOC_QUERYCTRL:
1104                         {
1105                                 struct v4l2_queryctrl qctrl;
1106                                 int err;
1107
1108                                 if (copy_from_user(&qctrl, argp, sizeof(qctrl)))
1109                                         return -EFAULT;
1110
1111                                 down_read(&ACCESS_FBINFO(altout).lock);
1112                                 if (!ACCESS_FBINFO(outputs[1]).output) {
1113                                         err = -ENXIO;
1114                                 } else if (ACCESS_FBINFO(outputs[1]).output->getqueryctrl) {
1115                                         err = ACCESS_FBINFO(outputs[1]).output->getqueryctrl(ACCESS_FBINFO(outputs[1]).data, &qctrl);
1116                                 } else {
1117                                         err = -EINVAL;
1118                                 }
1119                                 up_read(&ACCESS_FBINFO(altout).lock);
1120                                 if (err >= 0 &&
1121                                     copy_to_user(argp, &qctrl, sizeof(qctrl)))
1122                                         return -EFAULT;
1123                                 return err;
1124                         }
1125                 case VIDIOC_G_CTRL:
1126                         {
1127                                 struct v4l2_control ctrl;
1128                                 int err;
1129
1130                                 if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
1131                                         return -EFAULT;
1132
1133                                 down_read(&ACCESS_FBINFO(altout).lock);
1134                                 if (!ACCESS_FBINFO(outputs[1]).output) {
1135                                         err = -ENXIO;
1136                                 } else if (ACCESS_FBINFO(outputs[1]).output->getctrl) {
1137                                         err = ACCESS_FBINFO(outputs[1]).output->getctrl(ACCESS_FBINFO(outputs[1]).data, &ctrl);
1138                                 } else {
1139                                         err = -EINVAL;
1140                                 }
1141                                 up_read(&ACCESS_FBINFO(altout).lock);
1142                                 if (err >= 0 &&
1143                                     copy_to_user(argp, &ctrl, sizeof(ctrl)))
1144                                         return -EFAULT;
1145                                 return err;
1146                         }
1147                 case VIDIOC_S_CTRL_OLD:
1148                 case VIDIOC_S_CTRL:
1149                         {
1150                                 struct v4l2_control ctrl;
1151                                 int err;
1152
1153                                 if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
1154                                         return -EFAULT;
1155
1156                                 down_read(&ACCESS_FBINFO(altout).lock);
1157                                 if (!ACCESS_FBINFO(outputs[1]).output) {
1158                                         err = -ENXIO;
1159                                 } else if (ACCESS_FBINFO(outputs[1]).output->setctrl) {
1160                                         err = ACCESS_FBINFO(outputs[1]).output->setctrl(ACCESS_FBINFO(outputs[1]).data, &ctrl);
1161                                 } else {
1162                                         err = -EINVAL;
1163                                 }
1164                                 up_read(&ACCESS_FBINFO(altout).lock);
1165                                 return err;
1166                         }
1167         }
1168         return -ENOTTY;
1169 }
1170
1171 /* 0 unblank, 1 blank, 2 no vsync, 3 no hsync, 4 off */
1172
1173 static int matroxfb_blank(int blank, struct fb_info *info)
1174 {
1175         int seq;
1176         int crtc;
1177         CRITFLAGS
1178         MINFO_FROM_INFO(info);
1179
1180         DBG(__FUNCTION__)
1181
1182         if (ACCESS_FBINFO(dead))
1183                 return 1;
1184
1185         switch (blank) {
1186         case FB_BLANK_NORMAL:  seq = 0x20; crtc = 0x00; break; /* works ??? */
1187         case FB_BLANK_VSYNC_SUSPEND:  seq = 0x20; crtc = 0x10; break;
1188         case FB_BLANK_HSYNC_SUSPEND:  seq = 0x20; crtc = 0x20; break;
1189         case FB_BLANK_POWERDOWN:  seq = 0x20; crtc = 0x30; break;
1190         default: seq = 0x00; crtc = 0x00; break;
1191         }
1192
1193         CRITBEGIN
1194
1195         mga_outb(M_SEQ_INDEX, 1);
1196         mga_outb(M_SEQ_DATA, (mga_inb(M_SEQ_DATA) & ~0x20) | seq);
1197         mga_outb(M_EXTVGA_INDEX, 1);
1198         mga_outb(M_EXTVGA_DATA, (mga_inb(M_EXTVGA_DATA) & ~0x30) | crtc);
1199
1200         CRITEND
1201         return 0;
1202 }
1203
1204 static struct fb_ops matroxfb_ops = {
1205         .owner =        THIS_MODULE,
1206         .fb_open =      matroxfb_open,
1207         .fb_release =   matroxfb_release,
1208         .fb_check_var = matroxfb_check_var,
1209         .fb_set_par =   matroxfb_set_par,
1210         .fb_setcolreg = matroxfb_setcolreg,
1211         .fb_pan_display =matroxfb_pan_display,
1212         .fb_blank =     matroxfb_blank,
1213         .fb_ioctl =     matroxfb_ioctl,
1214 /*      .fb_fillrect =  <set by matrox_cfbX_init>, */
1215 /*      .fb_copyarea =  <set by matrox_cfbX_init>, */
1216 /*      .fb_imageblit = <set by matrox_cfbX_init>, */
1217 /*      .fb_cursor =    <set by matrox_cfbX_init>, */
1218 };
1219
1220 #define RSDepth(X)      (((X) >> 8) & 0x0F)
1221 #define RS8bpp          0x1
1222 #define RS15bpp         0x2
1223 #define RS16bpp         0x3
1224 #define RS32bpp         0x4
1225 #define RS4bpp          0x5
1226 #define RS24bpp         0x6
1227 #define RSText          0x7
1228 #define RSText8         0x8
1229 /* 9-F */
1230 static struct { struct fb_bitfield red, green, blue, transp; int bits_per_pixel; } colors[] = {
1231         { {  0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, {  0, 0, 0},  8 },
1232         { { 10, 5, 0}, { 5, 5, 0}, { 0, 5, 0}, { 15, 1, 0}, 16 },
1233         { { 11, 5, 0}, { 5, 6, 0}, { 0, 5, 0}, {  0, 0, 0}, 16 },
1234         { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, { 24, 8, 0}, 32 },
1235         { {  0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, {  0, 0, 0},  4 },
1236         { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, {  0, 0, 0}, 24 },
1237         { {  0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, {  0, 0, 0},  0 },       /* textmode with (default) VGA8x16 */
1238         { {  0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, {  0, 0, 0},  0 },       /* textmode hardwired to VGA8x8 */
1239 };
1240
1241 /* initialized by setup, see explanation at end of file (search for MODULE_PARM_DESC) */
1242 static unsigned int mem;                /* "matrox:mem:xxxxxM" */
1243 static int option_precise_width = 1;    /* cannot be changed, option_precise_width==0 must imply noaccel */
1244 static int inv24;                       /* "matrox:inv24" */
1245 static int cross4MB = -1;               /* "matrox:cross4MB" */
1246 static int disabled;                    /* "matrox:disabled" */
1247 static int noaccel;                     /* "matrox:noaccel" */
1248 static int nopan;                       /* "matrox:nopan" */
1249 static int no_pci_retry;                /* "matrox:nopciretry" */
1250 static int novga;                       /* "matrox:novga" */
1251 static int nobios;                      /* "matrox:nobios" */
1252 static int noinit = 1;                  /* "matrox:init" */
1253 static int inverse;                     /* "matrox:inverse" */
1254 static int sgram;                       /* "matrox:sgram" */
1255 #ifdef CONFIG_MTRR
1256 static int mtrr = 1;                    /* "matrox:nomtrr" */
1257 #endif
1258 static int grayscale;                   /* "matrox:grayscale" */
1259 static int dev = -1;                    /* "matrox:dev:xxxxx" */
1260 static unsigned int vesa = ~0;          /* "matrox:vesa:xxxxx" */
1261 static int depth = -1;                  /* "matrox:depth:xxxxx" */
1262 static unsigned int xres;               /* "matrox:xres:xxxxx" */
1263 static unsigned int yres;               /* "matrox:yres:xxxxx" */
1264 static unsigned int upper = ~0;         /* "matrox:upper:xxxxx" */
1265 static unsigned int lower = ~0;         /* "matrox:lower:xxxxx" */
1266 static unsigned int vslen;              /* "matrox:vslen:xxxxx" */
1267 static unsigned int left = ~0;          /* "matrox:left:xxxxx" */
1268 static unsigned int right = ~0;         /* "matrox:right:xxxxx" */
1269 static unsigned int hslen;              /* "matrox:hslen:xxxxx" */
1270 static unsigned int pixclock;           /* "matrox:pixclock:xxxxx" */
1271 static int sync = -1;                   /* "matrox:sync:xxxxx" */
1272 static unsigned int fv;                 /* "matrox:fv:xxxxx" */
1273 static unsigned int fh;                 /* "matrox:fh:xxxxxk" */
1274 static unsigned int maxclk;             /* "matrox:maxclk:xxxxM" */
1275 static int dfp;                         /* "matrox:dfp */
1276 static int dfp_type = -1;               /* "matrox:dfp:xxx */
1277 static int memtype = -1;                /* "matrox:memtype:xxx" */
1278 static char outputs[8];                 /* "matrox:outputs:xxx" */
1279
1280 #ifndef MODULE
1281 static char videomode[64];              /* "matrox:mode:xxxxx" or "matrox:xxxxx" */
1282 #endif
1283
1284 static int matroxfb_getmemory(WPMINFO unsigned int maxSize, unsigned int *realSize){
1285         vaddr_t vm;
1286         unsigned int offs;
1287         unsigned int offs2;
1288         unsigned char store, orig;
1289         unsigned char bytes[32];
1290         unsigned char* tmp;
1291
1292         DBG(__FUNCTION__)
1293
1294         vm = ACCESS_FBINFO(video.vbase);
1295         maxSize &= ~0x1FFFFF;   /* must be X*2MB (really it must be 2 or X*4MB) */
1296         /* at least 2MB */
1297         if (maxSize < 0x0200000) return 0;
1298         if (maxSize > 0x2000000) maxSize = 0x2000000;
1299
1300         mga_outb(M_EXTVGA_INDEX, 0x03);
1301         orig = mga_inb(M_EXTVGA_DATA);
1302         mga_outb(M_EXTVGA_DATA, orig | 0x80);
1303
1304         store = mga_readb(vm, 0x1234);
1305         tmp = bytes;
1306         for (offs = 0x100000; offs < maxSize; offs += 0x200000)
1307                 *tmp++ = mga_readb(vm, offs);
1308         for (offs = 0x100000; offs < maxSize; offs += 0x200000)
1309                 mga_writeb(vm, offs, 0x02);
1310         if (ACCESS_FBINFO(features.accel.has_cacheflush))
1311                 mga_outb(M_CACHEFLUSH, 0x00);
1312         else
1313                 mga_writeb(vm, 0x1234, 0x99);
1314         for (offs = 0x100000; offs < maxSize; offs += 0x200000) {
1315                 if (mga_readb(vm, offs) != 0x02)
1316                         break;
1317                 mga_writeb(vm, offs, mga_readb(vm, offs) - 0x02);
1318                 if (mga_readb(vm, offs))
1319                         break;
1320         }
1321         tmp = bytes;
1322         for (offs2 = 0x100000; offs2 < maxSize; offs2 += 0x200000)
1323                 mga_writeb(vm, offs2, *tmp++);
1324         mga_writeb(vm, 0x1234, store);
1325
1326         mga_outb(M_EXTVGA_INDEX, 0x03);
1327         mga_outb(M_EXTVGA_DATA, orig);
1328
1329         *realSize = offs - 0x100000;
1330 #ifdef CONFIG_FB_MATROX_MILLENIUM
1331         ACCESS_FBINFO(interleave) = !(!isMillenium(MINFO) || ((offs - 0x100000) & 0x3FFFFF));
1332 #endif
1333         return 1;
1334 }
1335
1336 struct video_board {
1337         int maxvram;
1338         int maxdisplayable;
1339         int accelID;
1340         struct matrox_switch* lowlevel;
1341                  };
1342 #ifdef CONFIG_FB_MATROX_MILLENIUM
1343 static struct video_board vbMillennium          = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGA2064W,      &matrox_millennium};
1344 static struct video_board vbMillennium2         = {0x1000000, 0x0800000, FB_ACCEL_MATROX_MGA2164W,      &matrox_millennium};
1345 static struct video_board vbMillennium2A        = {0x1000000, 0x0800000, FB_ACCEL_MATROX_MGA2164W_AGP,  &matrox_millennium};
1346 #endif  /* CONFIG_FB_MATROX_MILLENIUM */
1347 #ifdef CONFIG_FB_MATROX_MYSTIQUE
1348 static struct video_board vbMystique            = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGA1064SG,     &matrox_mystique};
1349 #endif  /* CONFIG_FB_MATROX_MYSTIQUE */
1350 #ifdef CONFIG_FB_MATROX_G
1351 static struct video_board vbG100                = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGAG100,       &matrox_G100};
1352 static struct video_board vbG200                = {0x1000000, 0x1000000, FB_ACCEL_MATROX_MGAG200,       &matrox_G100};
1353 #ifdef CONFIG_FB_MATROX_32MB
1354 /* from doc it looks like that accelerator can draw only to low 16MB :-( Direct accesses & displaying are OK for
1355    whole 32MB */
1356 static struct video_board vbG400                = {0x2000000, 0x1000000, FB_ACCEL_MATROX_MGAG400,       &matrox_G100};
1357 #else
1358 static struct video_board vbG400                = {0x2000000, 0x1000000, FB_ACCEL_MATROX_MGAG400,       &matrox_G100};
1359 #endif
1360 #endif
1361
1362 #define DEVF_VIDEO64BIT         0x0001
1363 #define DEVF_SWAPS              0x0002
1364 #define DEVF_SRCORG             0x0004
1365 #define DEVF_DUALHEAD           0x0008
1366 #define DEVF_CROSS4MB           0x0010
1367 #define DEVF_TEXT4B             0x0020
1368 /* #define DEVF_recycled        0x0040  */
1369 /* #define DEVF_recycled        0x0080  */
1370 #define DEVF_SUPPORT32MB        0x0100
1371 #define DEVF_ANY_VXRES          0x0200
1372 #define DEVF_TEXT16B            0x0400
1373 #define DEVF_CRTC2              0x0800
1374 #define DEVF_MAVEN_CAPABLE      0x1000
1375 #define DEVF_PANELLINK_CAPABLE  0x2000
1376 #define DEVF_G450DAC            0x4000
1377
1378 #define DEVF_GCORE      (DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB)
1379 #define DEVF_G2CORE     (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_MAVEN_CAPABLE | DEVF_PANELLINK_CAPABLE | DEVF_SRCORG | DEVF_DUALHEAD)
1380 #define DEVF_G100       (DEVF_GCORE) /* no doc, no vxres... */
1381 #define DEVF_G200       (DEVF_G2CORE)
1382 #define DEVF_G400       (DEVF_G2CORE | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2)
1383 /* if you'll find how to drive DFP... */
1384 #define DEVF_G450       (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2 | DEVF_G450DAC | DEVF_SRCORG | DEVF_DUALHEAD)
1385 #define DEVF_G550       (DEVF_G450)
1386
1387 static struct board {
1388         unsigned short vendor, device, rev, svid, sid;
1389         unsigned int flags;
1390         unsigned int maxclk;
1391         enum mga_chip chip;
1392         struct video_board* base;
1393         const char* name;
1394                 } dev_list[] = {
1395 #ifdef CONFIG_FB_MATROX_MILLENIUM
1396         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL,       0xFF,
1397                 0,                      0,
1398                 DEVF_TEXT4B,
1399                 230000,
1400                 MGA_2064,
1401                 &vbMillennium,
1402                 "Millennium (PCI)"},
1403         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2,     0xFF,
1404                 0,                      0,
1405                 DEVF_SWAPS,
1406                 220000,
1407                 MGA_2164,
1408                 &vbMillennium2,
1409                 "Millennium II (PCI)"},
1410         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2_AGP, 0xFF,
1411                 0,                      0,
1412                 DEVF_SWAPS,
1413                 250000,
1414                 MGA_2164,
1415                 &vbMillennium2A,
1416                 "Millennium II (AGP)"},
1417 #endif
1418 #ifdef CONFIG_FB_MATROX_MYSTIQUE
1419         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,       0x02,
1420                 0,                      0,
1421                 DEVF_VIDEO64BIT | DEVF_CROSS4MB,
1422                 180000,
1423                 MGA_1064,
1424                 &vbMystique,
1425                 "Mystique (PCI)"},
1426         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,       0xFF,
1427                 0,                      0,
1428                 DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB,
1429                 220000,
1430                 MGA_1164,
1431                 &vbMystique,
1432                 "Mystique 220 (PCI)"},
1433 #endif
1434 #ifdef CONFIG_FB_MATROX_G
1435         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_MM,   0xFF,
1436                 0,                      0,
1437                 DEVF_G100,
1438                 230000,
1439                 MGA_G100,
1440                 &vbG100,
1441                 "MGA-G100 (PCI)"},
1442         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_AGP,  0xFF,
1443                 0,                      0,
1444                 DEVF_G100,
1445                 230000,
1446                 MGA_G100,
1447                 &vbG100,
1448                 "MGA-G100 (AGP)"},
1449         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_PCI,  0xFF,
1450                 0,                      0,
1451                 DEVF_G200,
1452                 250000,
1453                 MGA_G200,
1454                 &vbG200,
1455                 "MGA-G200 (PCI)"},
1456         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1457                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_GENERIC,
1458                 DEVF_G200,
1459                 220000,
1460                 MGA_G200,
1461                 &vbG200,
1462                 "MGA-G200 (AGP)"},
1463         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1464                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MYSTIQUE_G200_AGP,
1465                 DEVF_G200,
1466                 230000,
1467                 MGA_G200,
1468                 &vbG200,
1469                 "Mystique G200 (AGP)"},
1470         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1471                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MILLENIUM_G200_AGP,
1472                 DEVF_G200,
1473                 250000,
1474                 MGA_G200,
1475                 &vbG200,
1476                 "Millennium G200 (AGP)"},
1477         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1478                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MARVEL_G200_AGP,
1479                 DEVF_G200,
1480                 230000,
1481                 MGA_G200,
1482                 &vbG200,
1483                 "Marvel G200 (AGP)"},
1484         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1485                 PCI_SS_VENDOR_ID_SIEMENS_NIXDORF,       PCI_SS_ID_SIEMENS_MGA_G200_AGP,
1486                 DEVF_G200,
1487                 230000,
1488                 MGA_G200,
1489                 &vbG200,
1490                 "MGA-G200 (AGP)"},
1491         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1492                 0,                      0,
1493                 DEVF_G200,
1494                 230000,
1495                 MGA_G200,
1496                 &vbG200,
1497                 "G200 (AGP)"},
1498         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0x80,
1499                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MILLENNIUM_G400_MAX_AGP,
1500                 DEVF_G400,
1501                 360000,
1502                 MGA_G400,
1503                 &vbG400,
1504                 "Millennium G400 MAX (AGP)"},
1505         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0x80,
1506                 0,                      0,
1507                 DEVF_G400,
1508                 300000,
1509                 MGA_G400,
1510                 &vbG400,
1511                 "G400 (AGP)"},
1512         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0xFF,
1513                 0,                      0,
1514                 DEVF_G450,
1515                 360000,
1516                 MGA_G450,
1517                 &vbG400,
1518                 "G450"},
1519         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G550,      0xFF,
1520                 0,                      0,
1521                 DEVF_G550,
1522                 360000,
1523                 MGA_G550,
1524                 &vbG400,
1525                 "G550"},
1526 #endif
1527         {0,                     0,                              0xFF,
1528                 0,                      0,
1529                 0,
1530                 0,
1531                 0,
1532                 NULL,
1533                 NULL}};
1534
1535 #ifndef MODULE
1536 static struct fb_videomode defaultmode = {
1537         /* 640x480 @ 60Hz, 31.5 kHz */
1538         NULL, 60, 640, 480, 39721, 40, 24, 32, 11, 96, 2,
1539         0, FB_VMODE_NONINTERLACED
1540 };
1541 #endif /* !MODULE */
1542
1543 static int hotplug = 0;
1544
1545 static void setDefaultOutputs(WPMINFO2) {
1546         unsigned int i;
1547         const char* ptr;
1548
1549         ACCESS_FBINFO(outputs[0]).default_src = MATROXFB_SRC_CRTC1;
1550         if (ACCESS_FBINFO(devflags.g450dac)) {
1551                 ACCESS_FBINFO(outputs[1]).default_src = MATROXFB_SRC_CRTC1;
1552                 ACCESS_FBINFO(outputs[2]).default_src = MATROXFB_SRC_CRTC1;
1553         } else if (dfp) {
1554                 ACCESS_FBINFO(outputs[2]).default_src = MATROXFB_SRC_CRTC1;
1555         }
1556         ptr = outputs;
1557         for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1558                 char c = *ptr++;
1559
1560                 if (c == 0) {
1561                         break;
1562                 }
1563                 if (c == '0') {
1564                         ACCESS_FBINFO(outputs[i]).default_src = MATROXFB_SRC_NONE;
1565                 } else if (c == '1') {
1566                         ACCESS_FBINFO(outputs[i]).default_src = MATROXFB_SRC_CRTC1;
1567                 } else if (c == '2' && ACCESS_FBINFO(devflags.crtc2)) {
1568                         ACCESS_FBINFO(outputs[i]).default_src = MATROXFB_SRC_CRTC2;
1569                 } else {
1570                         printk(KERN_ERR "matroxfb: Unknown outputs setting\n");
1571                         break;
1572                 }
1573         }
1574         /* Nullify this option for subsequent adapters */
1575         outputs[0] = 0;
1576 }
1577
1578 static int initMatrox2(WPMINFO struct board* b){
1579         unsigned long ctrlptr_phys = 0;
1580         unsigned long video_base_phys = 0;
1581         unsigned int memsize;
1582         int err;
1583
1584         static struct pci_device_id intel_82437[] = {
1585                 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82437) },
1586                 { },
1587         };
1588
1589         DBG(__FUNCTION__)
1590
1591         /* set default values... */
1592         vesafb_defined.accel_flags = FB_ACCELF_TEXT;
1593
1594         ACCESS_FBINFO(hw_switch) = b->base->lowlevel;
1595         ACCESS_FBINFO(devflags.accelerator) = b->base->accelID;
1596         ACCESS_FBINFO(max_pixel_clock) = b->maxclk;
1597
1598         printk(KERN_INFO "matroxfb: Matrox %s detected\n", b->name);
1599         ACCESS_FBINFO(capable.plnwt) = 1;
1600         ACCESS_FBINFO(chip) = b->chip;
1601         ACCESS_FBINFO(capable.srcorg) = b->flags & DEVF_SRCORG;
1602         ACCESS_FBINFO(devflags.video64bits) = b->flags & DEVF_VIDEO64BIT;
1603         if (b->flags & DEVF_TEXT4B) {
1604                 ACCESS_FBINFO(devflags.vgastep) = 4;
1605                 ACCESS_FBINFO(devflags.textmode) = 4;
1606                 ACCESS_FBINFO(devflags.text_type_aux) = FB_AUX_TEXT_MGA_STEP16;
1607         } else if (b->flags & DEVF_TEXT16B) {
1608                 ACCESS_FBINFO(devflags.vgastep) = 16;
1609                 ACCESS_FBINFO(devflags.textmode) = 1;
1610                 ACCESS_FBINFO(devflags.text_type_aux) = FB_AUX_TEXT_MGA_STEP16;
1611         } else {
1612                 ACCESS_FBINFO(devflags.vgastep) = 8;
1613                 ACCESS_FBINFO(devflags.textmode) = 1;
1614                 ACCESS_FBINFO(devflags.text_type_aux) = FB_AUX_TEXT_MGA_STEP8;
1615         }
1616 #ifdef CONFIG_FB_MATROX_32MB
1617         ACCESS_FBINFO(devflags.support32MB) = (b->flags & DEVF_SUPPORT32MB) != 0;
1618 #endif
1619         ACCESS_FBINFO(devflags.precise_width) = !(b->flags & DEVF_ANY_VXRES);
1620         ACCESS_FBINFO(devflags.crtc2) = (b->flags & DEVF_CRTC2) != 0;
1621         ACCESS_FBINFO(devflags.maven_capable) = (b->flags & DEVF_MAVEN_CAPABLE) != 0;
1622         ACCESS_FBINFO(devflags.dualhead) = (b->flags & DEVF_DUALHEAD) != 0;
1623         ACCESS_FBINFO(devflags.dfp_type) = dfp_type;
1624         ACCESS_FBINFO(devflags.g450dac) = (b->flags & DEVF_G450DAC) != 0;
1625         ACCESS_FBINFO(devflags.textstep) = ACCESS_FBINFO(devflags.vgastep) * ACCESS_FBINFO(devflags.textmode);
1626         ACCESS_FBINFO(devflags.textvram) = 65536 / ACCESS_FBINFO(devflags.textmode);
1627         setDefaultOutputs(PMINFO2);
1628         if (b->flags & DEVF_PANELLINK_CAPABLE) {
1629                 ACCESS_FBINFO(outputs[2]).data = MINFO;
1630                 ACCESS_FBINFO(outputs[2]).output = &panellink_output;
1631                 ACCESS_FBINFO(outputs[2]).src = ACCESS_FBINFO(outputs[2]).default_src;
1632                 ACCESS_FBINFO(outputs[2]).mode = MATROXFB_OUTPUT_MODE_MONITOR;
1633                 ACCESS_FBINFO(devflags.panellink) = 1;
1634         }
1635
1636         if (ACCESS_FBINFO(capable.cross4MB) < 0)
1637                 ACCESS_FBINFO(capable.cross4MB) = b->flags & DEVF_CROSS4MB;
1638         if (b->flags & DEVF_SWAPS) {
1639                 ctrlptr_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 1);
1640                 video_base_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 0);
1641                 ACCESS_FBINFO(devflags.fbResource) = PCI_BASE_ADDRESS_0;
1642         } else {
1643                 ctrlptr_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 0);
1644                 video_base_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 1);
1645                 ACCESS_FBINFO(devflags.fbResource) = PCI_BASE_ADDRESS_1;
1646         }
1647         err = -EINVAL;
1648         if (!ctrlptr_phys) {
1649                 printk(KERN_ERR "matroxfb: control registers are not available, matroxfb disabled\n");
1650                 goto fail;
1651         }
1652         if (!video_base_phys) {
1653                 printk(KERN_ERR "matroxfb: video RAM is not available in PCI address space, matroxfb disabled\n");
1654                 goto fail;
1655         }
1656         memsize = b->base->maxvram;
1657         if (!request_mem_region(ctrlptr_phys, 16384, "matroxfb MMIO")) {
1658                 goto fail;
1659         }
1660         if (!request_mem_region(video_base_phys, memsize, "matroxfb FB")) {
1661                 goto failCtrlMR;
1662         }
1663         ACCESS_FBINFO(video.len_maximum) = memsize;
1664         /* convert mem (autodetect k, M) */
1665         if (mem < 1024) mem *= 1024;
1666         if (mem < 0x00100000) mem *= 1024;
1667
1668         if (mem && (mem < memsize))
1669                 memsize = mem;
1670         err = -ENOMEM;
1671         if (mga_ioremap(ctrlptr_phys, 16384, MGA_IOREMAP_MMIO, &ACCESS_FBINFO(mmio.vbase))) {
1672                 printk(KERN_ERR "matroxfb: cannot ioremap(%lX, 16384), matroxfb disabled\n", ctrlptr_phys);
1673                 goto failVideoMR;
1674         }
1675         ACCESS_FBINFO(mmio.base) = ctrlptr_phys;
1676         ACCESS_FBINFO(mmio.len) = 16384;
1677         ACCESS_FBINFO(video.base) = video_base_phys;
1678         if (mga_ioremap(video_base_phys, memsize, MGA_IOREMAP_FB, &ACCESS_FBINFO(video.vbase))) {
1679                 printk(KERN_ERR "matroxfb: cannot ioremap(%lX, %d), matroxfb disabled\n",
1680                         video_base_phys, memsize);
1681                 goto failCtrlIO;
1682         }
1683         {
1684                 u_int32_t cmd;
1685                 u_int32_t mga_option;
1686
1687                 pci_read_config_dword(ACCESS_FBINFO(pcidev), PCI_OPTION_REG, &mga_option);
1688                 pci_read_config_dword(ACCESS_FBINFO(pcidev), PCI_COMMAND, &cmd);
1689                 mga_option &= 0x7FFFFFFF; /* clear BIG_ENDIAN */
1690                 mga_option |= MX_OPTION_BSWAP;
1691                 /* disable palette snooping */
1692                 cmd &= ~PCI_COMMAND_VGA_PALETTE;
1693                 if (pci_dev_present(intel_82437)) {
1694                         if (!(mga_option & 0x20000000) && !ACCESS_FBINFO(devflags.nopciretry)) {
1695                                 printk(KERN_WARNING "matroxfb: Disabling PCI retries due to i82437 present\n");
1696                         }
1697                         mga_option |= 0x20000000;
1698                         ACCESS_FBINFO(devflags.nopciretry) = 1;
1699                 }
1700                 pci_write_config_dword(ACCESS_FBINFO(pcidev), PCI_COMMAND, cmd);
1701                 pci_write_config_dword(ACCESS_FBINFO(pcidev), PCI_OPTION_REG, mga_option);
1702                 ACCESS_FBINFO(hw).MXoptionReg = mga_option;
1703
1704                 /* select non-DMA memory for PCI_MGA_DATA, otherwise dump of PCI cfg space can lock PCI bus */
1705                 /* maybe preinit() candidate, but it is same... for all devices... at this time... */
1706                 pci_write_config_dword(ACCESS_FBINFO(pcidev), PCI_MGA_INDEX, 0x00003C00);
1707         }
1708
1709         err = -ENXIO;
1710         matroxfb_read_pins(PMINFO2);
1711         if (ACCESS_FBINFO(hw_switch)->preinit(PMINFO2)) {
1712                 goto failVideoIO;
1713         }
1714
1715         err = -ENOMEM;
1716         if (!matroxfb_getmemory(PMINFO memsize, &ACCESS_FBINFO(video.len)) || !ACCESS_FBINFO(video.len)) {
1717                 printk(KERN_ERR "matroxfb: cannot determine memory size\n");
1718                 goto failVideoIO;
1719         }
1720         ACCESS_FBINFO(devflags.ydstorg) = 0;
1721
1722         ACCESS_FBINFO(video.base) = video_base_phys;
1723         ACCESS_FBINFO(video.len_usable) = ACCESS_FBINFO(video.len);
1724         if (ACCESS_FBINFO(video.len_usable) > b->base->maxdisplayable)
1725                 ACCESS_FBINFO(video.len_usable) = b->base->maxdisplayable;
1726 #ifdef CONFIG_MTRR
1727         if (mtrr) {
1728                 ACCESS_FBINFO(mtrr.vram) = mtrr_add(video_base_phys, ACCESS_FBINFO(video.len), MTRR_TYPE_WRCOMB, 1);
1729                 ACCESS_FBINFO(mtrr.vram_valid) = 1;
1730                 printk(KERN_INFO "matroxfb: MTRR's turned on\n");
1731         }
1732 #endif  /* CONFIG_MTRR */
1733
1734         if (!ACCESS_FBINFO(devflags.novga))
1735                 request_region(0x3C0, 32, "matrox");
1736         matroxfb_g450_connect(PMINFO2);
1737         ACCESS_FBINFO(hw_switch->reset(PMINFO2));
1738
1739         ACCESS_FBINFO(fbcon.monspecs.hfmin) = 0;
1740         ACCESS_FBINFO(fbcon.monspecs.hfmax) = fh;
1741         ACCESS_FBINFO(fbcon.monspecs.vfmin) = 0;
1742         ACCESS_FBINFO(fbcon.monspecs.vfmax) = fv;
1743         ACCESS_FBINFO(fbcon.monspecs.dpms) = 0; /* TBD */
1744
1745         /* static settings */
1746         vesafb_defined.red = colors[depth-1].red;
1747         vesafb_defined.green = colors[depth-1].green;
1748         vesafb_defined.blue = colors[depth-1].blue;
1749         vesafb_defined.bits_per_pixel = colors[depth-1].bits_per_pixel;
1750         vesafb_defined.grayscale = grayscale;
1751         vesafb_defined.vmode = 0;
1752         if (noaccel)
1753                 vesafb_defined.accel_flags &= ~FB_ACCELF_TEXT;
1754
1755         ACCESS_FBINFO(fbops) = matroxfb_ops;
1756         ACCESS_FBINFO(fbcon.fbops) = &ACCESS_FBINFO(fbops);
1757         ACCESS_FBINFO(fbcon.pseudo_palette) = ACCESS_FBINFO(cmap);
1758         /* after __init time we are like module... no logo */
1759         ACCESS_FBINFO(fbcon.flags) = hotplug ? FBINFO_FLAG_MODULE : FBINFO_FLAG_DEFAULT;
1760         ACCESS_FBINFO(fbcon.flags) |= FBINFO_PARTIAL_PAN_OK |    /* Prefer panning for scroll under MC viewer/edit */
1761                                       FBINFO_HWACCEL_COPYAREA |  /* We have hw-assisted bmove */
1762                                       FBINFO_HWACCEL_FILLRECT |  /* And fillrect */
1763                                       FBINFO_HWACCEL_IMAGEBLIT | /* And imageblit */
1764                                       FBINFO_HWACCEL_XPAN |      /* And we support both horizontal */
1765                                       FBINFO_HWACCEL_YPAN;       /* And vertical panning */
1766         ACCESS_FBINFO(video.len_usable) &= PAGE_MASK;
1767         fb_alloc_cmap(&ACCESS_FBINFO(fbcon.cmap), 256, 1);
1768
1769 #ifndef MODULE
1770         /* mode database is marked __init!!! */
1771         if (!hotplug) {
1772                 fb_find_mode(&vesafb_defined, &ACCESS_FBINFO(fbcon), videomode[0]?videomode:NULL,
1773                         NULL, 0, &defaultmode, vesafb_defined.bits_per_pixel);
1774         }
1775 #endif /* !MODULE */
1776
1777         /* mode modifiers */
1778         if (hslen)
1779                 vesafb_defined.hsync_len = hslen;
1780         if (vslen)
1781                 vesafb_defined.vsync_len = vslen;
1782         if (left != ~0)
1783                 vesafb_defined.left_margin = left;
1784         if (right != ~0)
1785                 vesafb_defined.right_margin = right;
1786         if (upper != ~0)
1787                 vesafb_defined.upper_margin = upper;
1788         if (lower != ~0)
1789                 vesafb_defined.lower_margin = lower;
1790         if (xres)
1791                 vesafb_defined.xres = xres;
1792         if (yres)
1793                 vesafb_defined.yres = yres;
1794         if (sync != -1)
1795                 vesafb_defined.sync = sync;
1796         else if (vesafb_defined.sync == ~0) {
1797                 vesafb_defined.sync = 0;
1798                 if (yres < 400)
1799                         vesafb_defined.sync |= FB_SYNC_HOR_HIGH_ACT;
1800                 else if (yres < 480)
1801                         vesafb_defined.sync |= FB_SYNC_VERT_HIGH_ACT;
1802         }
1803
1804         /* fv, fh, maxclk limits was specified */
1805         {
1806                 unsigned int tmp;
1807
1808                 if (fv) {
1809                         tmp = fv * (vesafb_defined.upper_margin + vesafb_defined.yres
1810                                   + vesafb_defined.lower_margin + vesafb_defined.vsync_len);
1811                         if ((tmp < fh) || (fh == 0)) fh = tmp;
1812                 }
1813                 if (fh) {
1814                         tmp = fh * (vesafb_defined.left_margin + vesafb_defined.xres
1815                                   + vesafb_defined.right_margin + vesafb_defined.hsync_len);
1816                         if ((tmp < maxclk) || (maxclk == 0)) maxclk = tmp;
1817                 }
1818                 tmp = (maxclk + 499) / 500;
1819                 if (tmp) {
1820                         tmp = (2000000000 + tmp) / tmp;
1821                         if (tmp > pixclock) pixclock = tmp;
1822                 }
1823         }
1824         if (pixclock) {
1825                 if (pixclock < 2000)            /* > 500MHz */
1826                         pixclock = 4000;        /* 250MHz */
1827                 if (pixclock > 1000000)
1828                         pixclock = 1000000;     /* 1MHz */
1829                 vesafb_defined.pixclock = pixclock;
1830         }
1831
1832         /* FIXME: Where to move this?! */
1833 #if defined(CONFIG_PPC_PMAC)
1834 #ifndef MODULE
1835         if (_machine == _MACH_Pmac) {
1836                 struct fb_var_screeninfo var;
1837                 if (default_vmode <= 0 || default_vmode > VMODE_MAX)
1838                         default_vmode = VMODE_640_480_60;
1839 #ifdef CONFIG_NVRAM
1840                 if (default_cmode == CMODE_NVRAM)
1841                         default_cmode = nvram_read_byte(NV_CMODE);
1842 #endif
1843                 if (default_cmode < CMODE_8 || default_cmode > CMODE_32)
1844                         default_cmode = CMODE_8;
1845                 if (!mac_vmode_to_var(default_vmode, default_cmode, &var)) {
1846                         var.accel_flags = vesafb_defined.accel_flags;
1847                         var.xoffset = var.yoffset = 0;
1848                         /* Note: mac_vmode_to_var() does not set all parameters */
1849                         vesafb_defined = var;
1850                 }
1851         }
1852 #endif /* !MODULE */
1853 #endif /* CONFIG_PPC_PMAC */
1854         vesafb_defined.xres_virtual = vesafb_defined.xres;
1855         if (nopan) {
1856                 vesafb_defined.yres_virtual = vesafb_defined.yres;
1857         } else {
1858                 vesafb_defined.yres_virtual = 65536; /* large enough to be INF, but small enough
1859                                                         to yres_virtual * xres_virtual < 2^32 */
1860         }
1861         matroxfb_init_fix(PMINFO2);
1862         ACCESS_FBINFO(fbcon.screen_base) = vaddr_va(ACCESS_FBINFO(video.vbase));
1863         matroxfb_update_fix(PMINFO2);
1864         /* Normalize values (namely yres_virtual) */
1865         matroxfb_check_var(&vesafb_defined, &ACCESS_FBINFO(fbcon));
1866         /* And put it into "current" var. Do NOT program hardware yet, or we'll not take over
1867          * vgacon correctly. fbcon_startup will call fb_set_par for us, WITHOUT check_var,
1868          * and unfortunately it will do it BEFORE vgacon contents is saved, so it won't work
1869          * anyway. But we at least tried... */
1870         ACCESS_FBINFO(fbcon.var) = vesafb_defined;
1871         err = -EINVAL;
1872
1873         printk(KERN_INFO "matroxfb: %dx%dx%dbpp (virtual: %dx%d)\n",
1874                 vesafb_defined.xres, vesafb_defined.yres, vesafb_defined.bits_per_pixel,
1875                 vesafb_defined.xres_virtual, vesafb_defined.yres_virtual);
1876         printk(KERN_INFO "matroxfb: framebuffer at 0x%lX, mapped to 0x%p, size %d\n",
1877                 ACCESS_FBINFO(video.base), vaddr_va(ACCESS_FBINFO(video.vbase)), ACCESS_FBINFO(video.len));
1878
1879 /* We do not have to set currcon to 0... register_framebuffer do it for us on first console
1880  * and we do not want currcon == 0 for subsequent framebuffers */
1881
1882         ACCESS_FBINFO(fbcon).device = &ACCESS_FBINFO(pcidev)->dev;
1883         if (register_framebuffer(&ACCESS_FBINFO(fbcon)) < 0) {
1884                 goto failVideoIO;
1885         }
1886         printk("fb%d: %s frame buffer device\n",
1887                ACCESS_FBINFO(fbcon.node), ACCESS_FBINFO(fbcon.fix.id));
1888
1889         /* there is no console on this fb... but we have to initialize hardware
1890          * until someone tells me what is proper thing to do */
1891         if (!ACCESS_FBINFO(initialized)) {
1892                 printk(KERN_INFO "fb%d: initializing hardware\n",
1893                        ACCESS_FBINFO(fbcon.node));
1894                 /* We have to use FB_ACTIVATE_FORCE, as we had to put vesafb_defined to the fbcon.var
1895                  * already before, so register_framebuffer works correctly. */
1896                 vesafb_defined.activate |= FB_ACTIVATE_FORCE;
1897                 fb_set_var(&ACCESS_FBINFO(fbcon), &vesafb_defined);
1898         }
1899
1900         return 0;
1901 failVideoIO:;
1902         matroxfb_g450_shutdown(PMINFO2);
1903         mga_iounmap(ACCESS_FBINFO(video.vbase));
1904 failCtrlIO:;
1905         mga_iounmap(ACCESS_FBINFO(mmio.vbase));
1906 failVideoMR:;
1907         release_mem_region(video_base_phys, ACCESS_FBINFO(video.len_maximum));
1908 failCtrlMR:;
1909         release_mem_region(ctrlptr_phys, 16384);
1910 fail:;
1911         return err;
1912 }
1913
1914 static LIST_HEAD(matroxfb_list);
1915 static LIST_HEAD(matroxfb_driver_list);
1916
1917 #define matroxfb_l(x) list_entry(x, struct matrox_fb_info, next_fb)
1918 #define matroxfb_driver_l(x) list_entry(x, struct matroxfb_driver, node)
1919 int matroxfb_register_driver(struct matroxfb_driver* drv) {
1920         struct matrox_fb_info* minfo;
1921
1922         list_add(&drv->node, &matroxfb_driver_list);
1923         for (minfo = matroxfb_l(matroxfb_list.next);
1924              minfo != matroxfb_l(&matroxfb_list);
1925              minfo = matroxfb_l(minfo->next_fb.next)) {
1926                 void* p;
1927
1928                 if (minfo->drivers_count == MATROXFB_MAX_FB_DRIVERS)
1929                         continue;
1930                 p = drv->probe(minfo);
1931                 if (p) {
1932                         minfo->drivers_data[minfo->drivers_count] = p;
1933                         minfo->drivers[minfo->drivers_count++] = drv;
1934                 }
1935         }
1936         return 0;
1937 }
1938
1939 void matroxfb_unregister_driver(struct matroxfb_driver* drv) {
1940         struct matrox_fb_info* minfo;
1941
1942         list_del(&drv->node);
1943         for (minfo = matroxfb_l(matroxfb_list.next);
1944              minfo != matroxfb_l(&matroxfb_list);
1945              minfo = matroxfb_l(minfo->next_fb.next)) {
1946                 int i;
1947
1948                 for (i = 0; i < minfo->drivers_count; ) {
1949                         if (minfo->drivers[i] == drv) {
1950                                 if (drv && drv->remove)
1951                                         drv->remove(minfo, minfo->drivers_data[i]);
1952                                 minfo->drivers[i] = minfo->drivers[--minfo->drivers_count];
1953                                 minfo->drivers_data[i] = minfo->drivers_data[minfo->drivers_count];
1954                         } else
1955                                 i++;
1956                 }
1957         }
1958 }
1959
1960 static void matroxfb_register_device(struct matrox_fb_info* minfo) {
1961         struct matroxfb_driver* drv;
1962         int i = 0;
1963         list_add(&ACCESS_FBINFO(next_fb), &matroxfb_list);
1964         for (drv = matroxfb_driver_l(matroxfb_driver_list.next);
1965              drv != matroxfb_driver_l(&matroxfb_driver_list);
1966              drv = matroxfb_driver_l(drv->node.next)) {
1967                 if (drv && drv->probe) {
1968                         void *p = drv->probe(minfo);
1969                         if (p) {
1970                                 minfo->drivers_data[i] = p;
1971                                 minfo->drivers[i++] = drv;
1972                                 if (i == MATROXFB_MAX_FB_DRIVERS)
1973                                         break;
1974                         }
1975                 }
1976         }
1977         minfo->drivers_count = i;
1978 }
1979
1980 static void matroxfb_unregister_device(struct matrox_fb_info* minfo) {
1981         int i;
1982
1983         list_del(&ACCESS_FBINFO(next_fb));
1984         for (i = 0; i < minfo->drivers_count; i++) {
1985                 struct matroxfb_driver* drv = minfo->drivers[i];
1986
1987                 if (drv && drv->remove)
1988                         drv->remove(minfo, minfo->drivers_data[i]);
1989         }
1990 }
1991
1992 static int matroxfb_probe(struct pci_dev* pdev, const struct pci_device_id* dummy) {
1993         struct board* b;
1994         u_int8_t rev;
1995         u_int16_t svid;
1996         u_int16_t sid;
1997         struct matrox_fb_info* minfo;
1998         int err;
1999         u_int32_t cmd;
2000 #ifndef CONFIG_FB_MATROX_MULTIHEAD
2001         static int registered = 0;
2002 #endif
2003         DBG(__FUNCTION__)
2004
2005         pci_read_config_byte(pdev, PCI_REVISION_ID, &rev);
2006         svid = pdev->subsystem_vendor;
2007         sid = pdev->subsystem_device;
2008         for (b = dev_list; b->vendor; b++) {
2009                 if ((b->vendor != pdev->vendor) || (b->device != pdev->device) || (b->rev < rev)) continue;
2010                 if (b->svid)
2011                         if ((b->svid != svid) || (b->sid != sid)) continue;
2012                 break;
2013         }
2014         /* not match... */
2015         if (!b->vendor)
2016                 return -ENODEV;
2017         if (dev > 0) {
2018                 /* not requested one... */
2019                 dev--;
2020                 return -ENODEV;
2021         }
2022         pci_read_config_dword(pdev, PCI_COMMAND, &cmd);
2023         if (pci_enable_device(pdev)) {
2024                 return -1;
2025         }
2026
2027 #ifdef CONFIG_FB_MATROX_MULTIHEAD
2028         minfo = (struct matrox_fb_info*)kmalloc(sizeof(*minfo), GFP_KERNEL);
2029         if (!minfo)
2030                 return -1;
2031 #else
2032         if (registered) /* singlehead driver... */
2033                 return -1;
2034         minfo = &matroxfb_global_mxinfo;
2035 #endif
2036         memset(MINFO, 0, sizeof(*MINFO));
2037
2038         ACCESS_FBINFO(pcidev) = pdev;
2039         ACCESS_FBINFO(dead) = 0;
2040         ACCESS_FBINFO(usecount) = 0;
2041         ACCESS_FBINFO(userusecount) = 0;
2042
2043         pci_set_drvdata(pdev, MINFO);
2044         /* DEVFLAGS */
2045         ACCESS_FBINFO(devflags.memtype) = memtype;
2046         if (memtype != -1)
2047                 noinit = 0;
2048         if (cmd & PCI_COMMAND_MEMORY) {
2049                 ACCESS_FBINFO(devflags.novga) = novga;
2050                 ACCESS_FBINFO(devflags.nobios) = nobios;
2051                 ACCESS_FBINFO(devflags.noinit) = noinit;
2052                 /* subsequent heads always needs initialization and must not enable BIOS */
2053                 novga = 1;
2054                 nobios = 1;
2055                 noinit = 0;
2056         } else {
2057                 ACCESS_FBINFO(devflags.novga) = 1;
2058                 ACCESS_FBINFO(devflags.nobios) = 1;
2059                 ACCESS_FBINFO(devflags.noinit) = 0;
2060         }
2061
2062         ACCESS_FBINFO(devflags.nopciretry) = no_pci_retry;
2063         ACCESS_FBINFO(devflags.mga_24bpp_fix) = inv24;
2064         ACCESS_FBINFO(devflags.precise_width) = option_precise_width;
2065         ACCESS_FBINFO(devflags.sgram) = sgram;
2066         ACCESS_FBINFO(capable.cross4MB) = cross4MB;
2067
2068         spin_lock_init(&ACCESS_FBINFO(lock.DAC));
2069         spin_lock_init(&ACCESS_FBINFO(lock.accel));
2070         init_rwsem(&ACCESS_FBINFO(crtc2.lock));
2071         init_rwsem(&ACCESS_FBINFO(altout.lock));
2072         ACCESS_FBINFO(irq_flags) = 0;
2073         init_waitqueue_head(&ACCESS_FBINFO(crtc1.vsync.wait));
2074         init_waitqueue_head(&ACCESS_FBINFO(crtc2.vsync.wait));
2075         ACCESS_FBINFO(crtc1.panpos) = -1;
2076
2077         err = initMatrox2(PMINFO b);
2078         if (!err) {
2079 #ifndef CONFIG_FB_MATROX_MULTIHEAD
2080                 registered = 1;
2081 #endif
2082                 matroxfb_register_device(MINFO);
2083                 return 0;
2084         }
2085 #ifdef CONFIG_FB_MATROX_MULTIHEAD
2086         kfree(minfo);
2087 #endif
2088         return -1;
2089 }
2090
2091 static void pci_remove_matrox(struct pci_dev* pdev) {
2092         struct matrox_fb_info* minfo;
2093
2094         minfo = pci_get_drvdata(pdev);
2095         matroxfb_remove(PMINFO 1);
2096 }
2097
2098 static struct pci_device_id matroxfb_devices[] = {
2099 #ifdef CONFIG_FB_MATROX_MILLENIUM
2100         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL,
2101                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2102         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2,
2103                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2104         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2_AGP,
2105                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2106 #endif
2107 #ifdef CONFIG_FB_MATROX_MYSTIQUE
2108         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,
2109                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2110 #endif
2111 #ifdef CONFIG_FB_MATROX_G
2112         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_MM,
2113                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2114         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_AGP,
2115                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2116         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_PCI,
2117                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2118         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,
2119                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2120         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,
2121                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2122         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G550,
2123                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2124 #endif
2125         {0,                     0,
2126                 0,              0,              0, 0, 0}
2127 };
2128
2129 MODULE_DEVICE_TABLE(pci, matroxfb_devices);
2130
2131
2132 static struct pci_driver matroxfb_driver = {
2133         .name =         "matroxfb",
2134         .id_table =     matroxfb_devices,
2135         .probe =        matroxfb_probe,
2136         .remove =       pci_remove_matrox,
2137 };
2138
2139 /* **************************** init-time only **************************** */
2140
2141 #define RSResolution(X) ((X) & 0x0F)
2142 #define RS640x400       1
2143 #define RS640x480       2
2144 #define RS800x600       3
2145 #define RS1024x768      4
2146 #define RS1280x1024     5
2147 #define RS1600x1200     6
2148 #define RS768x576       7
2149 #define RS960x720       8
2150 #define RS1152x864      9
2151 #define RS1408x1056     10
2152 #define RS640x350       11
2153 #define RS1056x344      12      /* 132 x 43 text */
2154 #define RS1056x400      13      /* 132 x 50 text */
2155 #define RS1056x480      14      /* 132 x 60 text */
2156 #define RSNoxNo         15
2157 /* 10-FF */
2158 static struct { int xres, yres, left, right, upper, lower, hslen, vslen, vfreq; } timmings[] __initdata = {
2159         {  640,  400,  48, 16, 39,  8,  96, 2, 70 },
2160         {  640,  480,  48, 16, 33, 10,  96, 2, 60 },
2161         {  800,  600, 144, 24, 28,  8, 112, 6, 60 },
2162         { 1024,  768, 160, 32, 30,  4, 128, 4, 60 },
2163         { 1280, 1024, 224, 32, 32,  4, 136, 4, 60 },
2164         { 1600, 1200, 272, 48, 32,  5, 152, 5, 60 },
2165         {  768,  576, 144, 16, 28,  6, 112, 4, 60 },
2166         {  960,  720, 144, 24, 28,  8, 112, 4, 60 },
2167         { 1152,  864, 192, 32, 30,  4, 128, 4, 60 },
2168         { 1408, 1056, 256, 40, 32,  5, 144, 5, 60 },
2169         {  640,  350,  48, 16, 39,  8,  96, 2, 70 },
2170         { 1056,  344,  96, 24, 59, 44, 160, 2, 70 },
2171         { 1056,  400,  96, 24, 39,  8, 160, 2, 70 },
2172         { 1056,  480,  96, 24, 36, 12, 160, 3, 60 },
2173         {    0,    0,  ~0, ~0, ~0, ~0,   0, 0,  0 }
2174 };
2175
2176 #define RSCreate(X,Y)   ((X) | ((Y) << 8))
2177 static struct { unsigned int vesa; unsigned int info; } *RSptr, vesamap[] __initdata = {
2178 /* default must be first */
2179         {    ~0, RSCreate(RSNoxNo,     RS8bpp ) },
2180         { 0x101, RSCreate(RS640x480,   RS8bpp ) },
2181         { 0x100, RSCreate(RS640x400,   RS8bpp ) },
2182         { 0x180, RSCreate(RS768x576,   RS8bpp ) },
2183         { 0x103, RSCreate(RS800x600,   RS8bpp ) },
2184         { 0x188, RSCreate(RS960x720,   RS8bpp ) },
2185         { 0x105, RSCreate(RS1024x768,  RS8bpp ) },
2186         { 0x190, RSCreate(RS1152x864,  RS8bpp ) },
2187         { 0x107, RSCreate(RS1280x1024, RS8bpp ) },
2188         { 0x198, RSCreate(RS1408x1056, RS8bpp ) },
2189         { 0x11C, RSCreate(RS1600x1200, RS8bpp ) },
2190         { 0x110, RSCreate(RS640x480,   RS15bpp) },
2191         { 0x181, RSCreate(RS768x576,   RS15bpp) },
2192         { 0x113, RSCreate(RS800x600,   RS15bpp) },
2193         { 0x189, RSCreate(RS960x720,   RS15bpp) },
2194         { 0x116, RSCreate(RS1024x768,  RS15bpp) },
2195         { 0x191, RSCreate(RS1152x864,  RS15bpp) },
2196         { 0x119, RSCreate(RS1280x1024, RS15bpp) },
2197         { 0x199, RSCreate(RS1408x1056, RS15bpp) },
2198         { 0x11D, RSCreate(RS1600x1200, RS15bpp) },
2199         { 0x111, RSCreate(RS640x480,   RS16bpp) },
2200         { 0x182, RSCreate(RS768x576,   RS16bpp) },
2201         { 0x114, RSCreate(RS800x600,   RS16bpp) },
2202         { 0x18A, RSCreate(RS960x720,   RS16bpp) },
2203         { 0x117, RSCreate(RS1024x768,  RS16bpp) },
2204         { 0x192, RSCreate(RS1152x864,  RS16bpp) },
2205         { 0x11A, RSCreate(RS1280x1024, RS16bpp) },
2206         { 0x19A, RSCreate(RS1408x1056, RS16bpp) },
2207         { 0x11E, RSCreate(RS1600x1200, RS16bpp) },
2208         { 0x1B2, RSCreate(RS640x480,   RS24bpp) },
2209         { 0x184, RSCreate(RS768x576,   RS24bpp) },
2210         { 0x1B5, RSCreate(RS800x600,   RS24bpp) },
2211         { 0x18C, RSCreate(RS960x720,   RS24bpp) },
2212         { 0x1B8, RSCreate(RS1024x768,  RS24bpp) },
2213         { 0x194, RSCreate(RS1152x864,  RS24bpp) },
2214         { 0x1BB, RSCreate(RS1280x1024, RS24bpp) },
2215         { 0x19C, RSCreate(RS1408x1056, RS24bpp) },
2216         { 0x1BF, RSCreate(RS1600x1200, RS24bpp) },
2217         { 0x112, RSCreate(RS640x480,   RS32bpp) },
2218         { 0x183, RSCreate(RS768x576,   RS32bpp) },
2219         { 0x115, RSCreate(RS800x600,   RS32bpp) },
2220         { 0x18B, RSCreate(RS960x720,   RS32bpp) },
2221         { 0x118, RSCreate(RS1024x768,  RS32bpp) },
2222         { 0x193, RSCreate(RS1152x864,  RS32bpp) },
2223         { 0x11B, RSCreate(RS1280x1024, RS32bpp) },
2224         { 0x19B, RSCreate(RS1408x1056, RS32bpp) },
2225         { 0x11F, RSCreate(RS1600x1200, RS32bpp) },
2226         { 0x010, RSCreate(RS640x350,   RS4bpp ) },
2227         { 0x012, RSCreate(RS640x480,   RS4bpp ) },
2228         { 0x102, RSCreate(RS800x600,   RS4bpp ) },
2229         { 0x104, RSCreate(RS1024x768,  RS4bpp ) },
2230         { 0x106, RSCreate(RS1280x1024, RS4bpp ) },
2231         {     0, 0                              }};
2232
2233 static void __init matroxfb_init_params(void) {
2234         /* fh from kHz to Hz */
2235         if (fh < 1000)
2236                 fh *= 1000;     /* 1kHz minimum */
2237         /* maxclk */
2238         if (maxclk < 1000) maxclk *= 1000;      /* kHz -> Hz, MHz -> kHz */
2239         if (maxclk < 1000000) maxclk *= 1000;   /* kHz -> Hz, 1MHz minimum */
2240         /* fix VESA number */
2241         if (vesa != ~0)
2242                 vesa &= 0x1DFF;         /* mask out clearscreen, acceleration and so on */
2243
2244         /* static settings */
2245         for (RSptr = vesamap; RSptr->vesa; RSptr++) {
2246                 if (RSptr->vesa == vesa) break;
2247         }
2248         if (!RSptr->vesa) {
2249                 printk(KERN_ERR "Invalid vesa mode 0x%04X\n", vesa);
2250                 RSptr = vesamap;
2251         }
2252         {
2253                 int res = RSResolution(RSptr->info)-1;
2254                 if (left == ~0)
2255                         left = timmings[res].left;
2256                 if (!xres)
2257                         xres = timmings[res].xres;
2258                 if (right == ~0)
2259                         right = timmings[res].right;
2260                 if (!hslen)
2261                         hslen = timmings[res].hslen;
2262                 if (upper == ~0)
2263                         upper = timmings[res].upper;
2264                 if (!yres)
2265                         yres = timmings[res].yres;
2266                 if (lower == ~0)
2267                         lower = timmings[res].lower;
2268                 if (!vslen)
2269                         vslen = timmings[res].vslen;
2270                 if (!(fv||fh||maxclk||pixclock))
2271                         fv = timmings[res].vfreq;
2272                 if (depth == -1)
2273                         depth = RSDepth(RSptr->info);
2274         }
2275 }
2276
2277 static void __init matrox_init(void) {
2278         matroxfb_init_params();
2279         pci_register_driver(&matroxfb_driver);
2280         dev = -1;       /* accept all new devices... */
2281 }
2282
2283 /* **************************** exit-time only **************************** */
2284
2285 static void __exit matrox_done(void) {
2286         pci_unregister_driver(&matroxfb_driver);
2287 }
2288
2289 #ifndef MODULE
2290
2291 /* ************************* init in-kernel code ************************** */
2292
2293 static int __init matroxfb_setup(char *options) {
2294         char *this_opt;
2295
2296         DBG(__FUNCTION__)
2297
2298         if (!options || !*options)
2299                 return 0;
2300
2301         while ((this_opt = strsep(&options, ",")) != NULL) {
2302                 if (!*this_opt) continue;
2303
2304                 dprintk("matroxfb_setup: option %s\n", this_opt);
2305
2306                 if (!strncmp(this_opt, "dev:", 4))
2307                         dev = simple_strtoul(this_opt+4, NULL, 0);
2308                 else if (!strncmp(this_opt, "depth:", 6)) {
2309                         switch (simple_strtoul(this_opt+6, NULL, 0)) {
2310                                 case 0: depth = RSText; break;
2311                                 case 4: depth = RS4bpp; break;
2312                                 case 8: depth = RS8bpp; break;
2313                                 case 15:depth = RS15bpp; break;
2314                                 case 16:depth = RS16bpp; break;
2315                                 case 24:depth = RS24bpp; break;
2316                                 case 32:depth = RS32bpp; break;
2317                                 default:
2318                                         printk(KERN_ERR "matroxfb: unsupported color depth\n");
2319                         }
2320                 } else if (!strncmp(this_opt, "xres:", 5))
2321                         xres = simple_strtoul(this_opt+5, NULL, 0);
2322                 else if (!strncmp(this_opt, "yres:", 5))
2323                         yres = simple_strtoul(this_opt+5, NULL, 0);
2324                 else if (!strncmp(this_opt, "vslen:", 6))
2325                         vslen = simple_strtoul(this_opt+6, NULL, 0);
2326                 else if (!strncmp(this_opt, "hslen:", 6))
2327                         hslen = simple_strtoul(this_opt+6, NULL, 0);
2328                 else if (!strncmp(this_opt, "left:", 5))
2329                         left = simple_strtoul(this_opt+5, NULL, 0);
2330                 else if (!strncmp(this_opt, "right:", 6))
2331                         right = simple_strtoul(this_opt+6, NULL, 0);
2332                 else if (!strncmp(this_opt, "upper:", 6))
2333                         upper = simple_strtoul(this_opt+6, NULL, 0);
2334                 else if (!strncmp(this_opt, "lower:", 6))
2335                         lower = simple_strtoul(this_opt+6, NULL, 0);
2336                 else if (!strncmp(this_opt, "pixclock:", 9))
2337                         pixclock = simple_strtoul(this_opt+9, NULL, 0);
2338                 else if (!strncmp(this_opt, "sync:", 5))
2339                         sync = simple_strtoul(this_opt+5, NULL, 0);
2340                 else if (!strncmp(this_opt, "vesa:", 5))
2341                         vesa = simple_strtoul(this_opt+5, NULL, 0);
2342                 else if (!strncmp(this_opt, "maxclk:", 7))
2343                         maxclk = simple_strtoul(this_opt+7, NULL, 0);
2344                 else if (!strncmp(this_opt, "fh:", 3))
2345                         fh = simple_strtoul(this_opt+3, NULL, 0);
2346                 else if (!strncmp(this_opt, "fv:", 3))
2347                         fv = simple_strtoul(this_opt+3, NULL, 0);
2348                 else if (!strncmp(this_opt, "mem:", 4))
2349                         mem = simple_strtoul(this_opt+4, NULL, 0);
2350                 else if (!strncmp(this_opt, "mode:", 5))
2351                         strlcpy(videomode, this_opt+5, sizeof(videomode));
2352                 else if (!strncmp(this_opt, "outputs:", 8))
2353                         strlcpy(outputs, this_opt+8, sizeof(outputs));
2354                 else if (!strncmp(this_opt, "dfp:", 4)) {
2355                         dfp_type = simple_strtoul(this_opt+4, NULL, 0);
2356                         dfp = 1;
2357                 }
2358 #ifdef CONFIG_PPC_PMAC
2359                 else if (!strncmp(this_opt, "vmode:", 6)) {
2360                         unsigned int vmode = simple_strtoul(this_opt+6, NULL, 0);
2361                         if (vmode > 0 && vmode <= VMODE_MAX)
2362                                 default_vmode = vmode;
2363                 } else if (!strncmp(this_opt, "cmode:", 6)) {
2364                         unsigned int cmode = simple_strtoul(this_opt+6, NULL, 0);
2365                         switch (cmode) {
2366                                 case 0:
2367                                 case 8:
2368                                         default_cmode = CMODE_8;
2369                                         break;
2370                                 case 15:
2371                                 case 16:
2372                                         default_cmode = CMODE_16;
2373                                         break;
2374                                 case 24:
2375                                 case 32:
2376                                         default_cmode = CMODE_32;
2377                                         break;
2378                         }
2379                 }
2380 #endif
2381                 else if (!strcmp(this_opt, "disabled")) /* nodisabled does not exist */
2382                         disabled = 1;
2383                 else if (!strcmp(this_opt, "enabled"))  /* noenabled does not exist */
2384                         disabled = 0;
2385                 else if (!strcmp(this_opt, "sgram"))    /* nosgram == sdram */
2386                         sgram = 1;
2387                 else if (!strcmp(this_opt, "sdram"))
2388                         sgram = 0;
2389                 else if (!strncmp(this_opt, "memtype:", 8))
2390                         memtype = simple_strtoul(this_opt+8, NULL, 0);
2391                 else {
2392                         int value = 1;
2393
2394                         if (!strncmp(this_opt, "no", 2)) {
2395                                 value = 0;
2396                                 this_opt += 2;
2397                         }
2398                         if (! strcmp(this_opt, "inverse"))
2399                                 inverse = value;
2400                         else if (!strcmp(this_opt, "accel"))
2401                                 noaccel = !value;
2402                         else if (!strcmp(this_opt, "pan"))
2403                                 nopan = !value;
2404                         else if (!strcmp(this_opt, "pciretry"))
2405                                 no_pci_retry = !value;
2406                         else if (!strcmp(this_opt, "vga"))
2407                                 novga = !value;
2408                         else if (!strcmp(this_opt, "bios"))
2409                                 nobios = !value;
2410                         else if (!strcmp(this_opt, "init"))
2411                                 noinit = !value;
2412 #ifdef CONFIG_MTRR
2413                         else if (!strcmp(this_opt, "mtrr"))
2414                                 mtrr = value;
2415 #endif
2416                         else if (!strcmp(this_opt, "inv24"))
2417                                 inv24 = value;
2418                         else if (!strcmp(this_opt, "cross4MB"))
2419                                 cross4MB = value;
2420                         else if (!strcmp(this_opt, "grayscale"))
2421                                 grayscale = value;
2422                         else if (!strcmp(this_opt, "dfp"))
2423                                 dfp = value;
2424                         else {
2425                                 strlcpy(videomode, this_opt, sizeof(videomode));
2426                         }
2427                 }
2428         }
2429         return 0;
2430 }
2431
2432 static int __initdata initialized = 0;
2433
2434 static int __init matroxfb_init(void)
2435 {
2436         char *option = NULL;
2437
2438         DBG(__FUNCTION__)
2439
2440         if (fb_get_options("matroxfb", &option))
2441                 return -ENODEV;
2442         matroxfb_setup(option);
2443
2444         if (disabled)
2445                 return -ENXIO;
2446         if (!initialized) {
2447                 initialized = 1;
2448                 matrox_init();
2449         }
2450         hotplug = 1;
2451         /* never return failure, user can hotplug matrox later... */
2452         return 0;
2453 }
2454
2455 module_init(matroxfb_init);
2456
2457 #else
2458
2459 /* *************************** init module code **************************** */
2460
2461 MODULE_AUTHOR("(c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>");
2462 MODULE_DESCRIPTION("Accelerated FBDev driver for Matrox Millennium/Mystique/G100/G200/G400/G450/G550");
2463 MODULE_LICENSE("GPL");
2464
2465 module_param(mem, int, 0);
2466 MODULE_PARM_DESC(mem, "Size of available memory in MB, KB or B (2,4,8,12,16MB, default=autodetect)");
2467 module_param(disabled, int, 0);
2468 MODULE_PARM_DESC(disabled, "Disabled (0 or 1=disabled) (default=0)");
2469 module_param(noaccel, int, 0);
2470 MODULE_PARM_DESC(noaccel, "Do not use accelerating engine (0 or 1=disabled) (default=0)");
2471 module_param(nopan, int, 0);
2472 MODULE_PARM_DESC(nopan, "Disable pan on startup (0 or 1=disabled) (default=0)");
2473 module_param(no_pci_retry, int, 0);
2474 MODULE_PARM_DESC(no_pci_retry, "PCI retries enabled (0 or 1=disabled) (default=0)");
2475 module_param(novga, int, 0);
2476 MODULE_PARM_DESC(novga, "VGA I/O (0x3C0-0x3DF) disabled (0 or 1=disabled) (default=0)");
2477 module_param(nobios, int, 0);
2478 MODULE_PARM_DESC(nobios, "Disables ROM BIOS (0 or 1=disabled) (default=do not change BIOS state)");
2479 module_param(noinit, int, 0);
2480 MODULE_PARM_DESC(noinit, "Disables W/SG/SD-RAM and bus interface initialization (0 or 1=do not initialize) (default=0)");
2481 module_param(memtype, int, 0);
2482 MODULE_PARM_DESC(memtype, "Memory type for G200/G400 (see Documentation/fb/matroxfb.txt for explanation) (default=3 for G200, 0 for G400)");
2483 #ifdef CONFIG_MTRR
2484 module_param(mtrr, int, 0);
2485 MODULE_PARM_DESC(mtrr, "This speeds up video memory accesses (0=disabled or 1) (default=1)");
2486 #endif
2487 module_param(sgram, int, 0);
2488 MODULE_PARM_DESC(sgram, "Indicates that G100/G200/G400 has SGRAM memory (0=SDRAM, 1=SGRAM) (default=0)");
2489 module_param(inv24, int, 0);
2490 MODULE_PARM_DESC(inv24, "Inverts clock polarity for 24bpp and loop frequency > 100MHz (default=do not invert polarity)");
2491 module_param(inverse, int, 0);
2492 MODULE_PARM_DESC(inverse, "Inverse (0 or 1) (default=0)");
2493 #ifdef CONFIG_FB_MATROX_MULTIHEAD
2494 module_param(dev, int, 0);
2495 MODULE_PARM_DESC(dev, "Multihead support, attach to device ID (0..N) (default=all working)");
2496 #else
2497 module_param(dev, int, 0);
2498 MODULE_PARM_DESC(dev, "Multihead support, attach to device ID (0..N) (default=first working)");
2499 #endif
2500 module_param(vesa, int, 0);
2501 MODULE_PARM_DESC(vesa, "Startup videomode (0x000-0x1FF) (default=0x101)");
2502 module_param(xres, int, 0);
2503 MODULE_PARM_DESC(xres, "Horizontal resolution (px), overrides xres from vesa (default=vesa)");
2504 module_param(yres, int, 0);
2505 MODULE_PARM_DESC(yres, "Vertical resolution (scans), overrides yres from vesa (default=vesa)");
2506 module_param(upper, int, 0);
2507 MODULE_PARM_DESC(upper, "Upper blank space (scans), overrides upper from vesa (default=vesa)");
2508 module_param(lower, int, 0);
2509 MODULE_PARM_DESC(lower, "Lower blank space (scans), overrides lower from vesa (default=vesa)");
2510 module_param(vslen, int, 0);
2511 MODULE_PARM_DESC(vslen, "Vertical sync length (scans), overrides lower from vesa (default=vesa)");
2512 module_param(left, int, 0);
2513 MODULE_PARM_DESC(left, "Left blank space (px), overrides left from vesa (default=vesa)");
2514 module_param(right, int, 0);
2515 MODULE_PARM_DESC(right, "Right blank space (px), overrides right from vesa (default=vesa)");
2516 module_param(hslen, int, 0);
2517 MODULE_PARM_DESC(hslen, "Horizontal sync length (px), overrides hslen from vesa (default=vesa)");
2518 module_param(pixclock, int, 0);
2519 MODULE_PARM_DESC(pixclock, "Pixelclock (ns), overrides pixclock from vesa (default=vesa)");
2520 module_param(sync, int, 0);
2521 MODULE_PARM_DESC(sync, "Sync polarity, overrides sync from vesa (default=vesa)");
2522 module_param(depth, int, 0);
2523 MODULE_PARM_DESC(depth, "Color depth (0=text,8,15,16,24,32) (default=vesa)");
2524 module_param(maxclk, int, 0);
2525 MODULE_PARM_DESC(maxclk, "Startup maximal clock, 0-999MHz, 1000-999999kHz, 1000000-INF Hz");
2526 module_param(fh, int, 0);
2527 MODULE_PARM_DESC(fh, "Startup horizontal frequency, 0-999kHz, 1000-INF Hz");
2528 module_param(fv, int, 0);
2529 MODULE_PARM_DESC(fv, "Startup vertical frequency, 0-INF Hz\n"
2530 "You should specify \"fv:max_monitor_vsync,fh:max_monitor_hsync,maxclk:max_monitor_dotclock\"\n");
2531 module_param(grayscale, int, 0);
2532 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)");
2533 module_param(cross4MB, int, 0);
2534 MODULE_PARM_DESC(cross4MB, "Specifies that 4MB boundary can be in middle of line. (default=autodetected)");
2535 module_param(dfp, int, 0);
2536 MODULE_PARM_DESC(dfp, "Specifies whether to use digital flat panel interface of G200/G400 (0 or 1) (default=0)");
2537 module_param(dfp_type, int, 0);
2538 MODULE_PARM_DESC(dfp_type, "Specifies DFP interface type (0 to 255) (default=read from hardware)");
2539 module_param_string(outputs, outputs, sizeof(outputs), 0);
2540 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)");
2541 #ifdef CONFIG_PPC_PMAC
2542 module_param_named(vmode, default_vmode, int, 0);
2543 MODULE_PARM_DESC(vmode, "Specify the vmode mode number that should be used (640x480 default)");
2544 module_param_named(cmode, default_cmode, int, 0);
2545 MODULE_PARM_DESC(cmode, "Specify the video depth that should be used (8bit default)");
2546 #endif
2547
2548 int __init init_module(void){
2549
2550         DBG(__FUNCTION__)
2551
2552         if (disabled)
2553                 return -ENXIO;
2554
2555         if (depth == 0)
2556                 depth = RSText;
2557         else if (depth == 4)
2558                 depth = RS4bpp;
2559         else if (depth == 8)
2560                 depth = RS8bpp;
2561         else if (depth == 15)
2562                 depth = RS15bpp;
2563         else if (depth == 16)
2564                 depth = RS16bpp;
2565         else if (depth == 24)
2566                 depth = RS24bpp;
2567         else if (depth == 32)
2568                 depth = RS32bpp;
2569         else if (depth != -1) {
2570                 printk(KERN_ERR "matroxfb: depth %d is not supported, using default\n", depth);
2571                 depth = -1;
2572         }
2573         matrox_init();
2574         /* never return failure; user can hotplug matrox later... */
2575         return 0;
2576 }
2577 #endif  /* MODULE */
2578
2579 module_exit(matrox_done);
2580 EXPORT_SYMBOL(matroxfb_register_driver);
2581 EXPORT_SYMBOL(matroxfb_unregister_driver);
2582 EXPORT_SYMBOL(matroxfb_wait_for_sync);
2583 EXPORT_SYMBOL(matroxfb_enable_irq);
2584
2585 /*
2586  * Overrides for Emacs so that we follow Linus's tabbing style.
2587  * ---------------------------------------------------------------------------
2588  * Local variables:
2589  * c-basic-offset: 8
2590  * End:
2591  */
2592