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