drivers/video/matrox/matroxfb_base.c

   1 /*
   2  *
   3  * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200 and G400
   4  *
   5  * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>
   6  *
   7  * Portions Copyright (c) 2001 Matrox Graphics Inc.
   8  *
   9  * Version: 1.65 2002/08/14
  10  *
  11  * MTRR stuff: 1998 Tom Rini <trini@kernel.crashing.org>
  12  *
  13  * Contributors: "menion?" <menion@mindless.com>
  14  *                     Betatesting, fixes, ideas
  15  *
  16  *               "Kurt Garloff" <garloff@suse.de>
  17  *                     Betatesting, fixes, ideas, videomodes, videomodes timmings
  18  *
  19  *               "Tom Rini" <trini@kernel.crashing.org>
  20  *                     MTRR stuff, PPC cleanups, betatesting, fixes, ideas
  21  *
  22  *               "Bibek Sahu" <scorpio@dodds.net>
  23  *                     Access device through readb|w|l and write b|w|l
  24  *                     Extensive debugging stuff
  25  *
  26  *               "Daniel Haun" <haund@usa.net>
  27  *                     Testing, hardware cursor fixes
  28  *
  29  *               "Scott Wood" <sawst46+@pitt.edu>
  30  *                     Fixes
  31  *
  32  *               "Gerd Knorr" <kraxel@goldbach.isdn.cs.tu-berlin.de>
  33  *                     Betatesting
  34  *
  35  *               "Kelly French" <targon@hazmat.com>
  36  *               "Fernando Herrera" <fherrera@eurielec.etsit.upm.es>
  37  *                     Betatesting, bug reporting
  38  *
  39  *               "Pablo Bianucci" <pbian@pccp.com.ar>
  40  *                     Fixes, ideas, betatesting
  41  *
  42  *               "Inaky Perez Gonzalez" <inaky@peloncho.fis.ucm.es>
  43  *                     Fixes, enhandcements, ideas, betatesting
  44  *
  45  *               "Ryuichi Oikawa" <roikawa@rr.iiij4u.or.jp>
  46  *                     PPC betatesting, PPC support, backward compatibility
  47  *
  48  *               "Paul Womar" <Paul@pwomar.demon.co.uk>
  49  *               "Owen Waller" <O.Waller@ee.qub.ac.uk>
  50  *                     PPC betatesting
  51  *
  52  *               "Thomas Pornin" <pornin@bolet.ens.fr>
  53  *                     Alpha betatesting
  54  *
  55  *               "Pieter van Leuven" <pvl@iae.nl>
  56  *               "Ulf Jaenicke-Roessler" <ujr@physik.phy.tu-dresden.de>
  57  *                     G100 testing
  58  *
  59  *               "H. Peter Arvin" <hpa@transmeta.com>
  60  *                     Ideas
  61  *
  62  *               "Cort Dougan" <cort@cs.nmt.edu>
  63  *                     CHRP fixes and PReP cleanup
  64  *
  65  *               "Mark Vojkovich" <mvojkovi@ucsd.edu>
  66  *                     G400 support
  67  *
  68  *               "Samuel Hocevar" <sam@via.ecp.fr>
  69  *                     Fixes
  70  *
  71  *               "Anton Altaparmakov" <AntonA@bigfoot.com>
  72  *                     G400 MAX/non-MAX distinction
  73  *
  74  *               "Ken Aaker" <kdaaker@rchland.vnet.ibm.com>
  75  *                     memtype extension (needed for GXT130P RS/6000 adapter)
  76  *
  77  *               "Uns Lider" <unslider@miranda.org>
  78  *                     G100 PLNWT fixes
  79  *
  80  *               "Denis Zaitsev" <zzz@cd-club.ru>
  81  *                     Fixes
  82  *
  83  *               "Mike Pieper" <mike@pieper-family.de>
  84  *                     TVOut enhandcements, V4L2 control interface.
  85  *
  86  *               "Diego Biurrun" <diego@biurrun.de>
  87  *                     DFP testing
  88  *
  89  * (following author is not in any relation with this code, but his code
  90  *  is included in this driver)
  91  *
  92  * Based on framebuffer driver for VBE 2.0 compliant graphic boards
  93  *     (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de>
  94  *
  95  * (following author is not in any relation with this code, but his ideas
  96  *  were used when writting this driver)
  97  *
  98  *               FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk>
  99  *
 100  */
 101
 102 /* make checkconfig does not check included files... */
 103 #include <linux/config.h>
 104 #include <linux/version.h>
 105
 106 #include "matroxfb_base.h"
 107 #include "matroxfb_misc.h"
 108 #include "matroxfb_accel.h"
 109 #include "matroxfb_DAC1064.h"
 110 #include "matroxfb_Ti3026.h"
 111 #include "matroxfb_maven.h"
 112 #include "matroxfb_crtc2.h"
 113 #include "matroxfb_g450.h"
 114 #include <linux/matroxfb.h>
 115 #include <linux/interrupt.h>
 116 #include <asm/uaccess.h>
 117
 118 #ifdef CONFIG_PPC_PMAC
 119 unsigned char nvram_read_byte(int);
 120 static int default_vmode = VMODE_NVRAM;
 121 static int default_cmode = CMODE_NVRAM;
 122 #endif
 123
 124 static void matroxfb_unregister_device(struct matrox_fb_info* minfo);
 125
 126 /* --------------------------------------------------------------------- */
 127
 128 /*
 129  * card parameters
 130  */
 131
 132 /* --------------------------------------------------------------------- */
 133
 134 static struct fb_var_screeninfo vesafb_defined = {
 135         640,480,640,480,/* W,H, W, H (virtual) load xres,xres_virtual*/
 136         0,0,            /* virtual -> visible no offset */
 137         8,              /* depth -> load bits_per_pixel */
 138         0,              /* greyscale ? */
 139         {0,0,0},        /* R */
 140         {0,0,0},        /* G */
 141         {0,0,0},        /* B */
 142         {0,0,0},        /* transparency */
 143         0,              /* standard pixel format */
 144         FB_ACTIVATE_NOW,
 145         -1,-1,
 146         FB_ACCELF_TEXT, /* accel flags */
 147         39721L,48L,16L,33L,10L,
 148         96L,2L,~0,      /* No sync info */
 149         FB_VMODE_NONINTERLACED,
 150         0, {0,0,0,0,0}
 151 };
 152
 153
 154
 155 /* --------------------------------------------------------------------- */
 156 static void update_crtc2(WPMINFO unsigned int pos) {
 157         struct matroxfb_dh_fb_info* info = ACCESS_FBINFO(crtc2.info);
 158
 159         /* Make sure that displays are compatible */
 160         if (info && (info->fbcon.var.bits_per_pixel == ACCESS_FBINFO(fbcon).var.bits_per_pixel)
 161                  && (info->fbcon.var.xres_virtual == ACCESS_FBINFO(fbcon).var.xres_virtual)
 162                  && (info->fbcon.var.green.length == ACCESS_FBINFO(fbcon).var.green.length)
 163                  ) {
 164                 switch (ACCESS_FBINFO(fbcon).var.bits_per_pixel) {
 165                         case 16:
 166                         case 32:
 167                                 pos = pos * 8;
 168                                 if (info->interlaced) {
 169                                         mga_outl(0x3C2C, pos);
 170                                         mga_outl(0x3C28, pos + ACCESS_FBINFO(fbcon).var.xres_virtual * ACCESS_FBINFO(fbcon).var.bits_per_pixel / 8);
 171                                 } else {
 172                                         mga_outl(0x3C28, pos);
 173                                 }
 174                                 break;
 175                 }
 176         }
 177 }
 178
 179 static void matroxfb_crtc1_panpos(WPMINFO2) {
 180         if (ACCESS_FBINFO(crtc1.panpos) >= 0) {
 181                 unsigned long flags;
 182                 int panpos;
 183
 184                 matroxfb_DAC_lock_irqsave(flags);
 185                 panpos = ACCESS_FBINFO(crtc1.panpos);
 186                 if (panpos >= 0) {
 187                         unsigned int extvga_reg;
 188
 189                         ACCESS_FBINFO(crtc1.panpos) = -1; /* No update pending anymore */
 190                         extvga_reg = mga_inb(M_EXTVGA_INDEX);
 191                         mga_setr(M_EXTVGA_INDEX, 0x00, panpos);
 192                         if (extvga_reg != 0x00) {
 193                                 mga_outb(M_EXTVGA_INDEX, extvga_reg);
 194                         }
 195                 }
 196                 matroxfb_DAC_unlock_irqrestore(flags);
 197         }
 198 }
 199
 200 static irqreturn_t matrox_irq(int irq, void *dev_id, struct pt_regs *fp)
 201 {
 202         u_int32_t status;
 203         int handled = 0;
 204
 205         MINFO_FROM(dev_id);
 206
 207         status = mga_inl(M_STATUS);
 208
 209         if (status & 0x20) {
 210                 mga_outl(M_ICLEAR, 0x20);
 211                 ACCESS_FBINFO(crtc1.vsync.cnt)++;
 212                 matroxfb_crtc1_panpos(PMINFO2);
 213                 wake_up_interruptible(&ACCESS_FBINFO(crtc1.vsync.wait));
 214                 handled = 1;
 215         }
 216         if (status & 0x200) {
 217                 mga_outl(M_ICLEAR, 0x200);
 218                 ACCESS_FBINFO(crtc2.vsync.cnt)++;
 219                 wake_up_interruptible(&ACCESS_FBINFO(crtc2.vsync.wait));
 220                 handled = 1;
 221         }
 222         return IRQ_RETVAL(handled);
 223 }
 224
 225 int matroxfb_enable_irq(WPMINFO int reenable) {
 226         u_int32_t bm;
 227
 228         if (ACCESS_FBINFO(devflags.accelerator) == FB_ACCEL_MATROX_MGAG400)
 229                 bm = 0x220;
 230         else
 231                 bm = 0x020;
 232
 233         if (!test_and_set_bit(0, &ACCESS_FBINFO(irq_flags))) {
 234                 if (request_irq(ACCESS_FBINFO(pcidev)->irq, matrox_irq,
 235                                 SA_SHIRQ, "matroxfb", MINFO)) {
 236                         clear_bit(0, &ACCESS_FBINFO(irq_flags));
 237                         return -EINVAL;
 238                 }
 239                 /* Clear any pending field interrupts */
 240                 mga_outl(M_ICLEAR, bm);
 241                 mga_outl(M_IEN, mga_inl(M_IEN) | bm);
 242         } else if (reenable) {
 243                 u_int32_t ien;
 244
 245                 ien = mga_inl(M_IEN);
 246                 if ((ien & bm) != bm) {
 247                         printk(KERN_DEBUG "matroxfb: someone disabled IRQ [%08X]\n", ien);
 248                         mga_outl(M_IEN, ien | bm);
 249                 }
 250         }
 251         return 0;
 252 }
 253
 254 static void matroxfb_disable_irq(WPMINFO2) {
 255         if (test_and_clear_bit(0, &ACCESS_FBINFO(irq_flags))) {
 256                 /* Flush pending pan-at-vbl request... */
 257                 matroxfb_crtc1_panpos(PMINFO2);
 258                 if (ACCESS_FBINFO(devflags.accelerator) == FB_ACCEL_MATROX_MGAG400)
 259                         mga_outl(M_IEN, mga_inl(M_IEN) & ~0x220);
 260                 else
 261                         mga_outl(M_IEN, mga_inl(M_IEN) & ~0x20);
 262                 free_irq(ACCESS_FBINFO(pcidev)->irq, MINFO);
 263         }
 264 }
 265
 266 int matroxfb_wait_for_sync(WPMINFO u_int32_t crtc) {
 267         wait_queue_t __wait;
 268         struct matrox_vsync *vs;
 269         unsigned int cnt;
 270         int ret;
 271
 272         switch (crtc) {
 273                 case 0:
 274                         vs = &ACCESS_FBINFO(crtc1.vsync);
 275                         break;
 276                 case 1:
 277                         if (ACCESS_FBINFO(devflags.accelerator) != FB_ACCEL_MATROX_MGAG400) {
 278                                 return -ENODEV;
 279                         }
 280                         vs = &ACCESS_FBINFO(crtc2.vsync);
 281                         break;
 282                 default:
 283                         return -ENODEV;
 284         }
 285         ret = matroxfb_enable_irq(PMINFO 0);
 286         if (ret) {
 287                 return ret;
 288         }
 289         init_waitqueue_entry(&__wait, current);
 290
 291         cnt = vs->cnt;
 292         ret = wait_event_interruptible_timeout(vs->wait, cnt != vs->cnt, HZ/10);
 293         if (ret < 0) {
 294                 return ret;
 295         }
 296         if (ret == 0) {
 297                 matroxfb_enable_irq(PMINFO 1);
 298                 return -ETIMEDOUT;
 299         }
 300         return 0;
 301 }
 302
 303 /* --------------------------------------------------------------------- */
 304
 305 static void matrox_pan_var(WPMINFO struct fb_var_screeninfo *var) {
 306         unsigned int pos;
 307         unsigned short p0, p1, p2;
 308 #ifdef CONFIG_FB_MATROX_32MB
 309         unsigned int p3;
 310 #endif
 311         int vbl;
 312         unsigned long flags;
 313
 314         CRITFLAGS
 315
 316         DBG(__FUNCTION__)
 317
 318         if (ACCESS_FBINFO(dead))
 319                 return;
 320
 321         ACCESS_FBINFO(fbcon).var.xoffset = var->xoffset;
 322         ACCESS_FBINFO(fbcon).var.yoffset = var->yoffset;
 323         pos = (ACCESS_FBINFO(fbcon).var.yoffset * ACCESS_FBINFO(fbcon).var.xres_virtual + ACCESS_FBINFO(fbcon).var.xoffset) * ACCESS_FBINFO(curr.final_bppShift) / 32;
 324         pos += ACCESS_FBINFO(curr.ydstorg.chunks);
 325         p0 = ACCESS_FBINFO(hw).CRTC[0x0D] = pos & 0xFF;
 326         p1 = ACCESS_FBINFO(hw).CRTC[0x0C] = (pos & 0xFF00) >> 8;
 327         p2 = ACCESS_FBINFO(hw).CRTCEXT[0] = (ACCESS_FBINFO(hw).CRTCEXT[0] & 0xB0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
 328 #ifdef CONFIG_FB_MATROX_32MB
 329         p3 = ACCESS_FBINFO(hw).CRTCEXT[8] = pos >> 21;
 330 #endif
 331
 332         /* FB_ACTIVATE_VBL and we can acquire interrupts? Honor FB_ACTIVATE_VBL then... */
 333         vbl = (var->activate & FB_ACTIVATE_VBL) && (matroxfb_enable_irq(PMINFO 0) == 0);
 334
 335         CRITBEGIN
 336
 337         matroxfb_DAC_lock_irqsave(flags);
 338         mga_setr(M_CRTC_INDEX, 0x0D, p0);
 339         mga_setr(M_CRTC_INDEX, 0x0C, p1);
 340 #ifdef CONFIG_FB_MATROX_32MB
 341         if (ACCESS_FBINFO(devflags.support32MB))
 342                 mga_setr(M_EXTVGA_INDEX, 0x08, p3);
 343 #endif
 344         if (vbl) {
 345                 ACCESS_FBINFO(crtc1.panpos) = p2;
 346         } else {
 347                 /* Abort any pending change */
 348                 ACCESS_FBINFO(crtc1.panpos) = -1;
 349                 mga_setr(M_EXTVGA_INDEX, 0x00, p2);
 350         }
 351         matroxfb_DAC_unlock_irqrestore(flags);
 352
 353         update_crtc2(PMINFO pos);
 354
 355         CRITEND
 356 }
 357
 358 static void matroxfb_remove(WPMINFO int dummy) {
 359         /* Currently we are holding big kernel lock on all dead & usecount updates.
 360          * Destroy everything after all users release it. Especially do not unregister
 361          * framebuffer and iounmap memory, neither fbmem nor fbcon-cfb* does not check
 362          * for device unplugged when in use.
 363          * In future we should point mmio.vbase & video.vbase somewhere where we can
 364          * write data without causing too much damage...
 365          */
 366
 367         ACCESS_FBINFO(dead) = 1;
 368         if (ACCESS_FBINFO(usecount)) {
 369                 /* destroy it later */
 370                 return;
 371         }
 372         matroxfb_unregister_device(MINFO);
 373         unregister_framebuffer(&ACCESS_FBINFO(fbcon));
 374         matroxfb_g450_shutdown(PMINFO2);
 375 #ifdef CONFIG_MTRR
 376         if (ACCESS_FBINFO(mtrr.vram_valid))
 377                 mtrr_del(ACCESS_FBINFO(mtrr.vram), ACCESS_FBINFO(video.base), ACCESS_FBINFO(video.len));
 378 #endif
 379         mga_iounmap(ACCESS_FBINFO(mmio.vbase));
 380         mga_iounmap(ACCESS_FBINFO(video.vbase));
 381         release_mem_region(ACCESS_FBINFO(video.base), ACCESS_FBINFO(video.len_maximum));
 382         release_mem_region(ACCESS_FBINFO(mmio.base), 16384);
 383 #ifdef CONFIG_FB_MATROX_MULTIHEAD
 384         kfree(minfo);
 385 #endif
 386 }
 387
 388         /*
 389          * Open/Release the frame buffer device
 390          */
 391
 392 static int matroxfb_open(struct fb_info *info, int user)
 393 {
 394         MINFO_FROM_INFO(info);
 395
 396         DBG_LOOP(__FUNCTION__)
 397
 398         if (ACCESS_FBINFO(dead)) {
 399                 return -ENXIO;
 400         }
 401         ACCESS_FBINFO(usecount)++;
 402         if (user) {
 403                 ACCESS_FBINFO(userusecount)++;
 404         }
 405         return(0);
 406 }
 407
 408 static int matroxfb_release(struct fb_info *info, int user)
 409 {
 410         MINFO_FROM_INFO(info);
 411
 412         DBG_LOOP(__FUNCTION__)
 413
 414         if (user) {
 415                 if (0 == --ACCESS_FBINFO(userusecount)) {
 416                         matroxfb_disable_irq(PMINFO2);
 417                 }
 418         }
 419         if (!(--ACCESS_FBINFO(usecount)) && ACCESS_FBINFO(dead)) {
 420                 matroxfb_remove(PMINFO 0);
 421         }
 422         return(0);
 423 }
 424
 425 static int matroxfb_pan_display(struct fb_var_screeninfo *var,
 426                 struct fb_info* info) {
 427         MINFO_FROM_INFO(info);
 428
 429         DBG(__FUNCTION__)
 430
 431         matrox_pan_var(PMINFO var);
 432         return 0;
 433 }
 434
 435 static int matroxfb_get_final_bppShift(CPMINFO int bpp) {
 436         int bppshft2;
 437
 438         DBG(__FUNCTION__)
 439
 440         bppshft2 = bpp;
 441         if (!bppshft2) {
 442                 return 8;
 443         }
 444         if (isInterleave(MINFO))
 445                 bppshft2 >>= 1;
 446         if (ACCESS_FBINFO(devflags.video64bits))
 447                 bppshft2 >>= 1;
 448         return bppshft2;
 449 }
 450
 451 static int matroxfb_test_and_set_rounding(CPMINFO int xres, int bpp) {
 452         int over;
 453         int rounding;
 454
 455         DBG(__FUNCTION__)
 456
 457         switch (bpp) {
 458                 case 0:         return xres;
 459                 case 4:         rounding = 128;
 460                                 break;
 461                 case 8:         rounding = 64;  /* doc says 64; 32 is OK for G400 */
 462                                 break;
 463                 case 16:        rounding = 32;
 464                                 break;
 465                 case 24:        rounding = 64;  /* doc says 64; 32 is OK for G400 */
 466                                 break;
 467                 default:        rounding = 16;
 468                                 /* on G400, 16 really does not work */
 469                                 if (ACCESS_FBINFO(devflags.accelerator) == FB_ACCEL_MATROX_MGAG400)
 470                                         rounding = 32;
 471                                 break;
 472         }
 473         if (isInterleave(MINFO)) {
 474                 rounding *= 2;
 475         }
 476         over = xres % rounding;
 477         if (over)
 478                 xres += rounding-over;
 479         return xres;
 480 }
 481
 482 static int matroxfb_pitch_adjust(CPMINFO int xres, int bpp) {
 483         const int* width;
 484         int xres_new;
 485
 486         DBG(__FUNCTION__)
 487
 488         if (!bpp) return xres;
 489
 490         width = ACCESS_FBINFO(capable.vxres);
 491
 492         if (ACCESS_FBINFO(devflags.precise_width)) {
 493                 while (*width) {
 494                         if ((*width >= xres) && (matroxfb_test_and_set_rounding(PMINFO *width, bpp) == *width)) {
 495                                 break;
 496                         }
 497                         width++;
 498                 }
 499                 xres_new = *width;
 500         } else {
 501                 xres_new = matroxfb_test_and_set_rounding(PMINFO xres, bpp);
 502         }
 503         if (!xres_new) return 0;
 504         if (xres != xres_new) {
 505                 printk(KERN_INFO "matroxfb: cannot set xres to %d, rounded up to %d\n", xres, xres_new);
 506         }
 507         return xres_new;
 508 }
 509
 510 static int matroxfb_get_cmap_len(struct fb_var_screeninfo *var) {
 511
 512         DBG(__FUNCTION__)
 513
 514         switch (var->bits_per_pixel) {
 515                 case 4:
 516                         return 16;      /* pseudocolor... 16 entries HW palette */
 517                 case 8:
 518                         return 256;     /* pseudocolor... 256 entries HW palette */
 519                 case 16:
 520                         return 16;      /* directcolor... 16 entries SW palette */
 521                                         /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 522                 case 24:
 523                         return 16;      /* directcolor... 16 entries SW palette */
 524                                         /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 525                 case 32:
 526                         return 16;      /* directcolor... 16 entries SW palette */
 527                                         /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 528         }
 529         return 16;      /* return something reasonable... or panic()? */
 530 }
 531
 532 static int matroxfb_decode_var(CPMINFO struct fb_var_screeninfo *var, int *visual, int *video_cmap_len, unsigned int* ydstorg) {
 533         struct RGBT {
 534                 unsigned char bpp;
 535                 struct {
 536                         unsigned char offset,
 537                                       length;
 538                 } red,
 539                   green,
 540                   blue,
 541                   transp;
 542                 signed char visual;
 543         };
 544         static const struct RGBT table[]= {
 545                 { 8,{ 0,8},{0,8},{0,8},{ 0,0},MX_VISUAL_PSEUDOCOLOR},
 546                 {15,{10,5},{5,5},{0,5},{15,1},MX_VISUAL_DIRECTCOLOR},
 547                 {16,{11,5},{5,6},{0,5},{ 0,0},MX_VISUAL_DIRECTCOLOR},
 548                 {24,{16,8},{8,8},{0,8},{ 0,0},MX_VISUAL_DIRECTCOLOR},
 549                 {32,{16,8},{8,8},{0,8},{24,8},MX_VISUAL_DIRECTCOLOR}
 550         };
 551         struct RGBT const *rgbt;
 552         unsigned int bpp = var->bits_per_pixel;
 553         unsigned int vramlen;
 554         unsigned int memlen;
 555
 556         DBG(__FUNCTION__)
 557
 558         switch (bpp) {
 559                 case 4:  if (!ACCESS_FBINFO(capable.cfb4)) return -EINVAL;
 560                          break;
 561                 case 8:  break;
 562                 case 16: break;
 563                 case 24: break;
 564                 case 32: break;
 565                 default: return -EINVAL;
 566         }
 567         *ydstorg = 0;
 568         vramlen = ACCESS_FBINFO(video.len_usable);
 569         if (var->yres_virtual < var->yres)
 570                 var->yres_virtual = var->yres;
 571         if (var->xres_virtual < var->xres)
 572                 var->xres_virtual = var->xres;
 573
 574         var->xres_virtual = matroxfb_pitch_adjust(PMINFO var->xres_virtual, bpp);
 575         memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
 576         if (memlen > vramlen) {
 577                 var->yres_virtual = vramlen * 8 / (var->xres_virtual * bpp);
 578                 memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
 579         }
 580         /* There is hardware bug that no line can cross 4MB boundary */
 581         /* give up for CFB24, it is impossible to easy workaround it */
 582         /* for other try to do something */
 583         if (!ACCESS_FBINFO(capable.cross4MB) && (memlen > 0x400000)) {
 584                 if (bpp == 24) {
 585                         /* sorry */
 586                 } else {
 587                         unsigned int linelen;
 588                         unsigned int m1 = linelen = var->xres_virtual * bpp / 8;
 589                         unsigned int m2 = PAGE_SIZE;    /* or 128 if you do not need PAGE ALIGNED address */
 590                         unsigned int max_yres;
 591
 592                         while (m1) {
 593                                 int t;
 594
 595                                 while (m2 >= m1) m2 -= m1;
 596                                 t = m1;
 597                                 m1 = m2;
 598                                 m2 = t;
 599                         }
 600                         m2 = linelen * PAGE_SIZE / m2;
 601                         *ydstorg = m2 = 0x400000 % m2;
 602                         max_yres = (vramlen - m2) / linelen;
 603                         if (var->yres_virtual > max_yres)
 604                                 var->yres_virtual = max_yres;
 605                 }
 606         }
 607         /* YDSTLEN contains only signed 16bit value */
 608         if (var->yres_virtual > 32767)
 609                 var->yres_virtual = 32767;
 610         /* we must round yres/xres down, we already rounded y/xres_virtual up
 611            if it was possible. We should return -EINVAL, but I disagree */
 612         if (var->yres_virtual < var->yres)
 613                 var->yres = var->yres_virtual;
 614         if (var->xres_virtual < var->xres)
 615                 var->xres = var->xres_virtual;
 616         if (var->xoffset + var->xres > var->xres_virtual)
 617                 var->xoffset = var->xres_virtual - var->xres;
 618         if (var->yoffset + var->yres > var->yres_virtual)
 619                 var->yoffset = var->yres_virtual - var->yres;
 620
 621         if (bpp == 16 && var->green.length == 5) {
 622                 bpp--; /* an artifical value - 15 */
 623         }
 624
 625         for (rgbt = table; rgbt->bpp < bpp; rgbt++);
 626 #define SETCLR(clr)\
 627         var->clr.offset = rgbt->clr.offset;\
 628         var->clr.length = rgbt->clr.length
 629         SETCLR(red);
 630         SETCLR(green);
 631         SETCLR(blue);
 632         SETCLR(transp);
 633 #undef  SETCLR
 634         *visual = rgbt->visual;
 635
 636         if (bpp > 8)
 637                 dprintk("matroxfb: truecolor: "
 638                         "size=%d:%d:%d:%d, shift=%d:%d:%d:%d\n",
 639                         var->transp.length, var->red.length, var->green.length, var->blue.length,
 640                         var->transp.offset, var->red.offset, var->green.offset, var->blue.offset);
 641
 642         *video_cmap_len = matroxfb_get_cmap_len(var);
 643         dprintk(KERN_INFO "requested %d*%d/%dbpp (%d*%d)\n", var->xres, var->yres, var->bits_per_pixel,
 644                                 var->xres_virtual, var->yres_virtual);
 645         return 0;
 646 }
 647
 648 static int matroxfb_setcolreg(unsigned regno, unsigned red, unsigned green,
 649                               unsigned blue, unsigned transp,
 650                               struct fb_info *fb_info)
 651 {
 652 #ifdef CONFIG_FB_MATROX_MULTIHEAD
 653         struct matrox_fb_info* minfo = container_of(fb_info, struct matrox_fb_info, fbcon);
 654 #endif
 655
 656         DBG(__FUNCTION__)
 657
 658         /*
 659          *  Set a single color register. The values supplied are
 660          *  already rounded down to the hardware's capabilities
 661          *  (according to the entries in the `var' structure). Return
 662          *  != 0 for invalid regno.
 663          */
 664
 665         if (regno >= ACCESS_FBINFO(curr.cmap_len))
 666                 return 1;
 667
 668         if (ACCESS_FBINFO(fbcon).var.grayscale) {
 669                 /* gray = 0.30*R + 0.59*G + 0.11*B */
 670                 red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
 671         }
 672
 673         red = CNVT_TOHW(red, ACCESS_FBINFO(fbcon).var.red.length);
 674         green = CNVT_TOHW(green, ACCESS_FBINFO(fbcon).var.green.length);
 675         blue = CNVT_TOHW(blue, ACCESS_FBINFO(fbcon).var.blue.length);
 676         transp = CNVT_TOHW(transp, ACCESS_FBINFO(fbcon).var.transp.length);
 677
 678         switch (ACCESS_FBINFO(fbcon).var.bits_per_pixel) {
 679         case 4:
 680         case 8:
 681                 mga_outb(M_DAC_REG, regno);
 682                 mga_outb(M_DAC_VAL, red);
 683                 mga_outb(M_DAC_VAL, green);
 684                 mga_outb(M_DAC_VAL, blue);
 685                 break;
 686         case 16:
 687                 {
 688                         u_int16_t col =
 689                                 (red << ACCESS_FBINFO(fbcon).var.red.offset)     |
 690                                 (green << ACCESS_FBINFO(fbcon).var.green.offset) |
 691                                 (blue << ACCESS_FBINFO(fbcon).var.blue.offset)   |
 692                                 (transp << ACCESS_FBINFO(fbcon).var.transp.offset); /* for 1:5:5:5 */
 693                         ACCESS_FBINFO(cmap[regno]) = col | (col << 16);
 694                 }
 695                 break;
 696         case 24:
 697         case 32:
 698                 ACCESS_FBINFO(cmap[regno]) =
 699                         (red   << ACCESS_FBINFO(fbcon).var.red.offset)   |
 700                         (green << ACCESS_FBINFO(fbcon).var.green.offset) |
 701                         (blue  << ACCESS_FBINFO(fbcon).var.blue.offset)  |
 702                         (transp << ACCESS_FBINFO(fbcon).var.transp.offset);     /* 8:8:8:8 */
 703                 break;
 704         }
 705         return 0;
 706 }
 707
 708 static void matroxfb_init_fix(WPMINFO2)
 709 {
 710         struct fb_fix_screeninfo *fix = &ACCESS_FBINFO(fbcon).fix;
 711         DBG(__FUNCTION__)
 712
 713         strcpy(fix->id,"MATROX");
 714
 715         fix->xpanstep = 8;      /* 8 for 8bpp, 4 for 16bpp, 2 for 32bpp */
 716         fix->ypanstep = 1;
 717         fix->ywrapstep = 0;
 718         fix->mmio_start = ACCESS_FBINFO(mmio.base);
 719         fix->mmio_len = ACCESS_FBINFO(mmio.len);
 720         fix->accel = ACCESS_FBINFO(devflags.accelerator);
 721 }
 722
 723 static void matroxfb_update_fix(WPMINFO2)
 724 {
 725         struct fb_fix_screeninfo *fix = &ACCESS_FBINFO(fbcon).fix;
 726         DBG(__FUNCTION__)
 727
 728         fix->smem_start = ACCESS_FBINFO(video.base) + ACCESS_FBINFO(curr.ydstorg.bytes);
 729         fix->smem_len = ACCESS_FBINFO(video.len_usable) - ACCESS_FBINFO(curr.ydstorg.bytes);
 730 }
 731
 732 static int matroxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 733 {
 734         int err;
 735         int visual;
 736         int cmap_len;
 737         unsigned int ydstorg;
 738         MINFO_FROM_INFO(info);
 739
 740         if (ACCESS_FBINFO(dead)) {
 741                 return -ENXIO;
 742         }
 743         if ((err = matroxfb_decode_var(PMINFO var, &visual, &cmap_len, &ydstorg)) != 0)
 744                 return err;
 745         return 0;
 746 }
 747
 748 static int matroxfb_set_par(struct fb_info *info)
 749 {
 750         int err;
 751         int visual;
 752         int cmap_len;
 753         unsigned int ydstorg;
 754         struct fb_var_screeninfo *var;
 755         MINFO_FROM_INFO(info);
 756
 757         DBG(__FUNCTION__)
 758
 759         if (ACCESS_FBINFO(dead)) {
 760                 return -ENXIO;
 761         }
 762
 763         var = &info->var;
 764         if ((err = matroxfb_decode_var(PMINFO var, &visual, &cmap_len, &ydstorg)) != 0)
 765                 return err;
 766         ACCESS_FBINFO(fbcon.screen_base) = vaddr_va(ACCESS_FBINFO(video.vbase)) + ydstorg;
 767         matroxfb_update_fix(PMINFO2);
 768         ACCESS_FBINFO(fbcon).fix.visual = visual;
 769         ACCESS_FBINFO(fbcon).fix.type = FB_TYPE_PACKED_PIXELS;
 770         ACCESS_FBINFO(fbcon).fix.type_aux = 0;
 771         ACCESS_FBINFO(fbcon).fix.line_length = (var->xres_virtual * var->bits_per_pixel) >> 3;
 772         {
 773                 unsigned int pos;
 774
 775                 ACCESS_FBINFO(curr.cmap_len) = cmap_len;
 776                 ydstorg += ACCESS_FBINFO(devflags.ydstorg);
 777                 ACCESS_FBINFO(curr.ydstorg.bytes) = ydstorg;
 778                 ACCESS_FBINFO(curr.ydstorg.chunks) = ydstorg >> (isInterleave(MINFO)?3:2);
 779                 if (var->bits_per_pixel == 4)
 780                         ACCESS_FBINFO(curr.ydstorg.pixels) = ydstorg;
 781                 else
 782                         ACCESS_FBINFO(curr.ydstorg.pixels) = (ydstorg * 8) / var->bits_per_pixel;
 783                 ACCESS_FBINFO(curr.final_bppShift) = matroxfb_get_final_bppShift(PMINFO var->bits_per_pixel);
 784                 {       struct my_timming mt;
 785                         struct matrox_hw_state* hw;
 786                         int out;
 787
 788                         matroxfb_var2my(var, &mt);
 789                         mt.crtc = MATROXFB_SRC_CRTC1;
 790                         /* CRTC1 delays */
 791                         switch (var->bits_per_pixel) {
 792                                 case  0:        mt.delay = 31 + 0; break;
 793                                 case 16:        mt.delay = 21 + 8; break;
 794                                 case 24:        mt.delay = 17 + 8; break;
 795                                 case 32:        mt.delay = 16 + 8; break;
 796                                 default:        mt.delay = 31 + 8; break;
 797                         }
 798
 799                         hw = &ACCESS_FBINFO(hw);
 800
 801                         down_read(&ACCESS_FBINFO(altout).lock);
 802                         for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 803                                 if (ACCESS_FBINFO(outputs[out]).src == MATROXFB_SRC_CRTC1 &&
 804                                     ACCESS_FBINFO(outputs[out]).output->compute) {
 805                                         ACCESS_FBINFO(outputs[out]).output->compute(ACCESS_FBINFO(outputs[out]).data, &mt);
 806                                 }
 807                         }
 808                         up_read(&ACCESS_FBINFO(altout).lock);
 809                         ACCESS_FBINFO(crtc1).pixclock = mt.pixclock;
 810                         ACCESS_FBINFO(crtc1).mnp = mt.mnp;
 811                         ACCESS_FBINFO(hw_switch->init(PMINFO &mt));
 812                         pos = (var->yoffset * var->xres_virtual + var->xoffset) * ACCESS_FBINFO(curr.final_bppShift) / 32;
 813                         pos += ACCESS_FBINFO(curr.ydstorg.chunks);
 814
 815                         hw->CRTC[0x0D] = pos & 0xFF;
 816                         hw->CRTC[0x0C] = (pos & 0xFF00) >> 8;
 817                         hw->CRTCEXT[0] = (hw->CRTCEXT[0] & 0xF0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
 818                         hw->CRTCEXT[8] = pos >> 21;
 819                         ACCESS_FBINFO(hw_switch->restore(PMINFO2));
 820                         update_crtc2(PMINFO pos);
 821                         down_read(&ACCESS_FBINFO(altout).lock);
 822                         for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 823                                 if (ACCESS_FBINFO(outputs[out]).src == MATROXFB_SRC_CRTC1 &&
 824                                     ACCESS_FBINFO(outputs[out]).output->program) {
 825                                         ACCESS_FBINFO(outputs[out]).output->program(ACCESS_FBINFO(outputs[out]).data);
 826                                 }
 827                         }
 828                         for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 829                                 if (ACCESS_FBINFO(outputs[out]).src == MATROXFB_SRC_CRTC1 &&
 830                                     ACCESS_FBINFO(outputs[out]).output->start) {
 831                                         ACCESS_FBINFO(outputs[out]).output->start(ACCESS_FBINFO(outputs[out]).data);
 832                                 }
 833                         }
 834                         up_read(&ACCESS_FBINFO(altout).lock);
 835                         matrox_cfbX_init(PMINFO2);
 836                 }
 837         }
 838         return 0;
 839 }
 840
 841 static int matroxfb_get_vblank(WPMINFO struct fb_vblank *vblank)
 842 {
 843         unsigned int sts1;
 844
 845         matroxfb_enable_irq(PMINFO 0);
 846         memset(vblank, 0, sizeof(*vblank));
 847         vblank->flags = FB_VBLANK_HAVE_VCOUNT | FB_VBLANK_HAVE_VSYNC |
 848                         FB_VBLANK_HAVE_VBLANK | FB_VBLANK_HAVE_HBLANK;
 849         sts1 = mga_inb(M_INSTS1);
 850         vblank->vcount = mga_inl(M_VCOUNT);
 851         /* BTW, on my PIII/450 with G400, reading M_INSTS1
 852            byte makes this call about 12% slower (1.70 vs. 2.05 us
 853            per ioctl()) */
 854         if (sts1 & 1)
 855                 vblank->flags |= FB_VBLANK_HBLANKING;
 856         if (sts1 & 8)
 857                 vblank->flags |= FB_VBLANK_VSYNCING;
 858         if (vblank->vcount >= ACCESS_FBINFO(fbcon).var.yres)
 859                 vblank->flags |= FB_VBLANK_VBLANKING;
 860         if (test_bit(0, &ACCESS_FBINFO(irq_flags))) {
 861                 vblank->flags |= FB_VBLANK_HAVE_COUNT;
 862                 /* Only one writer, aligned int value...
 863                    it should work without lock and without atomic_t */
 864                 vblank->count = ACCESS_FBINFO(crtc1).vsync.cnt;
 865         }
 866         return 0;
 867 }
 868
 869 static struct matrox_altout panellink_output = {
 870         .name    = "Panellink output",
 871 };
 872
 873 static int matroxfb_ioctl(struct inode *inode, struct file *file,
 874                           unsigned int cmd, unsigned long arg,
 875                           struct fb_info *info)
 876 {
 877         void __user *argp = (void __user *)arg;
 878         MINFO_FROM_INFO(info);
 879
 880         DBG(__FUNCTION__)
 881
 882         if (ACCESS_FBINFO(dead)) {
 883                 return -ENXIO;
 884         }
 885
 886         switch (cmd) {
 887                 case FBIOGET_VBLANK:
 888                         {
 889                                 struct fb_vblank vblank;
 890                                 int err;
 891
 892                                 err = matroxfb_get_vblank(PMINFO &vblank);
 893                                 if (err)
 894                                         return err;
 895                                 if (copy_to_user(argp, &vblank, sizeof(vblank)))
 896                                         return -EFAULT;
 897                                 return 0;
 898                         }
 899                 case FBIO_WAITFORVSYNC:
 900                         {
 901                                 u_int32_t crt;
 902
 903                                 if (get_user(crt, (u_int32_t __user *)arg))
 904                                         return -EFAULT;
 905
 906                                 return matroxfb_wait_for_sync(PMINFO crt);
 907                         }
 908                 case MATROXFB_SET_OUTPUT_MODE:
 909                         {
 910                                 struct matroxioc_output_mode mom;
 911                                 struct matrox_altout *oproc;
 912                                 int val;
 913
 914                                 if (copy_from_user(&mom, argp, sizeof(mom)))
 915                                         return -EFAULT;
 916                                 if (mom.output >= MATROXFB_MAX_OUTPUTS)
 917                                         return -ENXIO;
 918                                 down_read(&ACCESS_FBINFO(altout.lock));
 919                                 oproc = ACCESS_FBINFO(outputs[mom.output]).output;
 920                                 if (!oproc) {
 921                                         val = -ENXIO;
 922                                 } else if (!oproc->verifymode) {
 923                                         if (mom.mode == MATROXFB_OUTPUT_MODE_MONITOR) {
 924                                                 val = 0;
 925                                         } else {
 926                                                 val = -EINVAL;
 927                                         }
 928                                 } else {
 929                                         val = oproc->verifymode(ACCESS_FBINFO(outputs[mom.output]).data, mom.mode);
 930                                 }
 931                                 if (!val) {
 932                                         if (ACCESS_FBINFO(outputs[mom.output]).mode != mom.mode) {
 933                                                 ACCESS_FBINFO(outputs[mom.output]).mode = mom.mode;
 934                                                 val = 1;
 935                                         }
 936                                 }
 937                                 up_read(&ACCESS_FBINFO(altout.lock));
 938                                 if (val != 1)
 939                                         return val;
 940                                 switch (ACCESS_FBINFO(outputs[mom.output]).src) {
 941                                         case MATROXFB_SRC_CRTC1:
 942                                                 matroxfb_set_par(info);
 943                                                 break;
 944                                         case MATROXFB_SRC_CRTC2:
 945                                                 {
 946                                                         struct matroxfb_dh_fb_info* crtc2;
 947
 948                                                         down_read(&ACCESS_FBINFO(crtc2.lock));
 949                                                         crtc2 = ACCESS_FBINFO(crtc2.info);
 950                                                         if (crtc2)
 951                                                                 crtc2->fbcon.fbops->fb_set_par(&crtc2->fbcon);
 952                                                         up_read(&ACCESS_FBINFO(crtc2.lock));
 953                                                 }
 954                                                 break;
 955                                 }
 956                                 return 0;
 957                         }
 958                 case MATROXFB_GET_OUTPUT_MODE:
 959                         {
 960                                 struct matroxioc_output_mode mom;
 961                                 struct matrox_altout *oproc;
 962                                 int val;
 963
 964                                 if (copy_from_user(&mom, argp, sizeof(mom)))
 965                                         return -EFAULT;
 966                                 if (mom.output >= MATROXFB_MAX_OUTPUTS)
 967                                         return -ENXIO;
 968                                 down_read(&ACCESS_FBINFO(altout.lock));
 969                                 oproc = ACCESS_FBINFO(outputs[mom.output]).output;
 970                                 if (!oproc) {
 971                                         val = -ENXIO;
 972                                 } else {
 973                                         mom.mode = ACCESS_FBINFO(outputs[mom.output]).mode;
 974                                         val = 0;
 975                                 }
 976                                 up_read(&ACCESS_FBINFO(altout.lock));
 977                                 if (val)
 978                                         return val;
 979                                 if (copy_to_user(argp, &mom, sizeof(mom)))
 980                                         return -EFAULT;
 981                                 return 0;
 982                         }
 983                 case MATROXFB_SET_OUTPUT_CONNECTION:
 984                         {
 985                                 u_int32_t tmp;
 986                                 int i;
 987                                 int changes;
 988
 989                                 if (copy_from_user(&tmp, argp, sizeof(tmp)))
 990                                         return -EFAULT;
 991                                 for (i = 0; i < 32; i++) {
 992                                         if (tmp & (1 << i)) {
 993                                                 if (i >= MATROXFB_MAX_OUTPUTS)
 994                                                         return -ENXIO;
 995                                                 if (!ACCESS_FBINFO(outputs[i]).output)
 996                                                         return -ENXIO;
 997                                                 switch (ACCESS_FBINFO(outputs[i]).src) {
 998                                                         case MATROXFB_SRC_NONE:
 999                                                         case MATROXFB_SRC_CRTC1:
1000                                                                 break;
1001                                                         default:
1002                                                                 return -EBUSY;
1003                                                 }
1004                                         }
1005                                 }
1006                                 if (ACCESS_FBINFO(devflags.panellink)) {
1007                                         if (tmp & MATROXFB_OUTPUT_CONN_DFP) {
1008                                                 if (tmp & MATROXFB_OUTPUT_CONN_SECONDARY)
1009                                                         return -EINVAL;
1010                                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1011                                                         if (ACCESS_FBINFO(outputs[i]).src == MATROXFB_SRC_CRTC2) {
1012                                                                 return -EBUSY;
1013                                                         }
1014                                                 }
1015                                         }
1016                                 }
1017                                 changes = 0;
1018                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1019                                         if (tmp & (1 << i)) {
1020                                                 if (ACCESS_FBINFO(outputs[i]).src != MATROXFB_SRC_CRTC1) {
1021                                                         changes = 1;
1022                                                         ACCESS_FBINFO(outputs[i]).src = MATROXFB_SRC_CRTC1;
1023                                                 }
1024                                         } else if (ACCESS_FBINFO(outputs[i]).src == MATROXFB_SRC_CRTC1) {
1025                                                 changes = 1;
1026                                                 ACCESS_FBINFO(outputs[i]).src = MATROXFB_SRC_NONE;
1027                                         }
1028                                 }
1029                                 if (!changes)
1030                                         return 0;
1031                                 matroxfb_set_par(info);
1032                                 return 0;
1033                         }
1034                 case MATROXFB_GET_OUTPUT_CONNECTION:
1035                         {
1036                                 u_int32_t conn = 0;
1037                                 int i;
1038
1039                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1040                                         if (ACCESS_FBINFO(outputs[i]).src == MATROXFB_SRC_CRTC1) {
1041                                                 conn |= 1 << i;
1042                                         }
1043                                 }
1044                                 if (put_user(conn, (u_int32_t __user *)arg))
1045                                         return -EFAULT;
1046                                 return 0;
1047                         }
1048                 case MATROXFB_GET_AVAILABLE_OUTPUTS:
1049                         {
1050                                 u_int32_t conn = 0;
1051                                 int i;
1052
1053                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1054                                         if (ACCESS_FBINFO(outputs[i]).output) {
1055                                                 switch (ACCESS_FBINFO(outputs[i]).src) {
1056                                                         case MATROXFB_SRC_NONE:
1057                                                         case MATROXFB_SRC_CRTC1:
1058                                                                 conn |= 1 << i;
1059                                                                 break;
1060                                                 }
1061                                         }
1062                                 }
1063                                 if (ACCESS_FBINFO(devflags.panellink)) {
1064                                         if (conn & MATROXFB_OUTPUT_CONN_DFP)
1065                                                 conn &= ~MATROXFB_OUTPUT_CONN_SECONDARY;
1066                                         if (conn & MATROXFB_OUTPUT_CONN_SECONDARY)
1067                                                 conn &= ~MATROXFB_OUTPUT_CONN_DFP;
1068                                 }
1069                                 if (put_user(conn, (u_int32_t __user *)arg))
1070                                         return -EFAULT;
1071                                 return 0;
1072                         }
1073                 case MATROXFB_GET_ALL_OUTPUTS:
1074                         {
1075                                 u_int32_t conn = 0;
1076                                 int i;
1077
1078                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1079                                         if (ACCESS_FBINFO(outputs[i]).output) {
1080                                                 conn |= 1 << i;
1081                                         }
1082                                 }
1083                                 if (put_user(conn, (u_int32_t __user *)arg))
1084                                         return -EFAULT;
1085                                 return 0;
1086                         }
1087                 case VIDIOC_QUERYCAP:
1088                         {
1089                                 struct v4l2_capability r;
1090
1091                                 memset(&r, 0, sizeof(r));
1092                                 strcpy(r.driver, "matroxfb");
1093                                 strcpy(r.card, "Matrox");
1094                                 sprintf(r.bus_info, "PCI:%s", pci_name(ACCESS_FBINFO(pcidev)));
1095                                 r.version = KERNEL_VERSION(1,0,0);
1096                                 r.capabilities = V4L2_CAP_VIDEO_OUTPUT;
1097                                 if (copy_to_user(argp, &r, sizeof(r)))
1098                                         return -EFAULT;
1099                                 return 0;
1100
1101                         }
1102                 case VIDIOC_QUERYCTRL:
1103                         {
1104                                 struct v4l2_queryctrl qctrl;
1105                                 int err;
1106
1107                                 if (copy_from_user(&qctrl, argp, sizeof(qctrl)))
1108                                         return -EFAULT;
1109
1110                                 down_read(&ACCESS_FBINFO(altout).lock);
1111                                 if (!ACCESS_FBINFO(outputs[1]).output) {
1112                                         err = -ENXIO;
1113                                 } else if (ACCESS_FBINFO(outputs[1]).output->getqueryctrl) {
1114                                         err = ACCESS_FBINFO(outputs[1]).output->getqueryctrl(ACCESS_FBINFO(outputs[1]).data, &qctrl);
1115                                 } else {
1116                                         err = -EINVAL;
1117                                 }
1118                                 up_read(&ACCESS_FBINFO(altout).lock);
1119                                 if (err >= 0 &&
1120                                     copy_to_user(argp, &qctrl, sizeof(qctrl)))
1121                                         return -EFAULT;
1122                                 return err;
1123                         }
1124                 case VIDIOC_G_CTRL:
1125                         {
1126                                 struct v4l2_control ctrl;
1127                                 int err;
1128
1129                                 if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
1130                                         return -EFAULT;
1131
1132                                 down_read(&ACCESS_FBINFO(altout).lock);
1133                                 if (!ACCESS_FBINFO(outputs[1]).output) {
1134                                         err = -ENXIO;
1135                                 } else if (ACCESS_FBINFO(outputs[1]).output->getctrl) {
1136                                         err = ACCESS_FBINFO(outputs[1]).output->getctrl(ACCESS_FBINFO(outputs[1]).data, &ctrl);
1137                                 } else {
1138                                         err = -EINVAL;
1139                                 }
1140                                 up_read(&ACCESS_FBINFO(altout).lock);
1141                                 if (err >= 0 &&
1142                                     copy_to_user(argp, &ctrl, sizeof(ctrl)))
1143                                         return -EFAULT;
1144                                 return err;
1145                         }
1146                 case VIDIOC_S_CTRL:
1147                         {
1148                                 struct v4l2_control ctrl;
1149                                 int err;
1150
1151                                 if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
1152                                         return -EFAULT;
1153
1154                                 down_read(&ACCESS_FBINFO(altout).lock);
1155                                 if (!ACCESS_FBINFO(outputs[1]).output) {
1156                                         err = -ENXIO;
1157                                 } else if (ACCESS_FBINFO(outputs[1]).output->setctrl) {
1158                                         err = ACCESS_FBINFO(outputs[1]).output->setctrl(ACCESS_FBINFO(outputs[1]).data, &ctrl);
1159                                 } else {
1160                                         err = -EINVAL;
1161                                 }
1162                                 up_read(&ACCESS_FBINFO(altout).lock);
1163                                 return err;
1164                         }
1165         }
1166         return -ENOTTY;
1167 }
1168
1169 /* 0 unblank, 1 blank, 2 no vsync, 3 no hsync, 4 off */
1170
1171 static int matroxfb_blank(int blank, struct fb_info *info)
1172 {
1173         int seq;
1174         int crtc;
1175         CRITFLAGS
1176         MINFO_FROM_INFO(info);
1177
1178         DBG(__FUNCTION__)
1179
1180         if (ACCESS_FBINFO(dead))
1181                 return 1;
1182
1183         switch (blank) {
1184                 case 1:  seq = 0x20; crtc = 0x00; break; /* works ??? */
1185                 case 2:  seq = 0x20; crtc = 0x10; break;
1186                 case 3:  seq = 0x20; crtc = 0x20; break;
1187                 case 4:  seq = 0x20; crtc = 0x30; break;
1188                 default: seq = 0x00; crtc = 0x00; break;
1189         }
1190
1191         CRITBEGIN
1192
1193         mga_outb(M_SEQ_INDEX, 1);
1194         mga_outb(M_SEQ_DATA, (mga_inb(M_SEQ_DATA) & ~0x20) | seq);
1195         mga_outb(M_EXTVGA_INDEX, 1);
1196         mga_outb(M_EXTVGA_DATA, (mga_inb(M_EXTVGA_DATA) & ~0x30) | crtc);
1197
1198         CRITEND
1199         return 0;
1200 }
1201
1202 static struct fb_ops matroxfb_ops = {
1203         .owner =        THIS_MODULE,
1204         .fb_open =      matroxfb_open,
1205         .fb_release =   matroxfb_release,
1206         .fb_check_var = matroxfb_check_var,
1207         .fb_set_par =   matroxfb_set_par,
1208         .fb_setcolreg = matroxfb_setcolreg,
1209         .fb_pan_display =matroxfb_pan_display,
1210         .fb_blank =     matroxfb_blank,
1211         .fb_ioctl =     matroxfb_ioctl,
1212 /*      .fb_fillrect =  <set by matrox_cfbX_init>, */
1213 /*      .fb_copyarea =  <set by matrox_cfbX_init>, */
1214 /*      .fb_imageblit = <set by matrox_cfbX_init>, */
1215 /*      .fb_cursor =    <set by matrox_cfbX_init>, */
1216 };
1217
1218 #define RSDepth(X)      (((X) >> 8) & 0x0F)
1219 #define RS8bpp          0x1
1220 #define RS15bpp         0x2
1221 #define RS16bpp         0x3
1222 #define RS32bpp         0x4
1223 #define RS4bpp          0x5
1224 #define RS24bpp         0x6
1225 #define RSText          0x7
1226 #define RSText8         0x8
1227 /* 9-F */
1228 static struct { struct fb_bitfield red, green, blue, transp; int bits_per_pixel; } colors[] = {
1229         { {  0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, {  0, 0, 0},  8 },
1230         { { 10, 5, 0}, { 5, 5, 0}, { 0, 5, 0}, { 15, 1, 0}, 16 },
1231         { { 11, 5, 0}, { 5, 6, 0}, { 0, 5, 0}, {  0, 0, 0}, 16 },
1232         { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, { 24, 8, 0}, 32 },
1233         { {  0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, {  0, 0, 0},  4 },
1234         { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, {  0, 0, 0}, 24 },
1235         { {  0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, {  0, 0, 0},  0 },       /* textmode with (default) VGA8x16 */
1236         { {  0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, {  0, 0, 0},  0 },       /* textmode hardwired to VGA8x8 */
1237 };
1238
1239 /* initialized by setup, see explanation at end of file (search for MODULE_PARM_DESC) */
1240 static unsigned int mem;                /* "matrox:mem:xxxxxM" */
1241 static int option_precise_width = 1;    /* cannot be changed, option_precise_width==0 must imply noaccel */
1242 static int inv24;                       /* "matrox:inv24" */
1243 static int cross4MB = -1;               /* "matrox:cross4MB" */
1244 static int disabled;                    /* "matrox:disabled" */
1245 static int noaccel;                     /* "matrox:noaccel" */
1246 static int nopan;                       /* "matrox:nopan" */
1247 static int no_pci_retry;                /* "matrox:nopciretry" */
1248 static int novga;                       /* "matrox:novga" */
1249 static int nobios;                      /* "matrox:nobios" */
1250 static int noinit = 1;                  /* "matrox:init" */
1251 static int inverse;                     /* "matrox:inverse" */
1252 static int sgram;                       /* "matrox:sgram" */
1253 #ifdef CONFIG_MTRR
1254 static int mtrr = 1;                    /* "matrox:nomtrr" */
1255 #endif
1256 static int grayscale;                   /* "matrox:grayscale" */
1257 static int dev = -1;                    /* "matrox:dev:xxxxx" */
1258 static unsigned int vesa = ~0;          /* "matrox:vesa:xxxxx" */
1259 static int depth = -1;                  /* "matrox:depth:xxxxx" */
1260 static unsigned int xres;               /* "matrox:xres:xxxxx" */
1261 static unsigned int yres;               /* "matrox:yres:xxxxx" */
1262 static unsigned int upper = ~0;         /* "matrox:upper:xxxxx" */
1263 static unsigned int lower = ~0;         /* "matrox:lower:xxxxx" */
1264 static unsigned int vslen;              /* "matrox:vslen:xxxxx" */
1265 static unsigned int left = ~0;          /* "matrox:left:xxxxx" */
1266 static unsigned int right = ~0;         /* "matrox:right:xxxxx" */
1267 static unsigned int hslen;              /* "matrox:hslen:xxxxx" */
1268 static unsigned int pixclock;           /* "matrox:pixclock:xxxxx" */
1269 static int sync = -1;                   /* "matrox:sync:xxxxx" */
1270 static unsigned int fv;                 /* "matrox:fv:xxxxx" */
1271 static unsigned int fh;                 /* "matrox:fh:xxxxxk" */
1272 static unsigned int maxclk;             /* "matrox:maxclk:xxxxM" */
1273 static int dfp;                         /* "matrox:dfp */
1274 static int dfp_type = -1;               /* "matrox:dfp:xxx */
1275 static int memtype = -1;                /* "matrox:memtype:xxx" */
1276 static char outputs[8];                 /* "matrox:outputs:xxx" */
1277
1278 #ifndef MODULE
1279 static char videomode[64];              /* "matrox:mode:xxxxx" or "matrox:xxxxx" */
1280 #endif
1281
1282 static int matroxfb_getmemory(WPMINFO unsigned int maxSize, unsigned int *realSize){
1283         vaddr_t vm;
1284         unsigned int offs;
1285         unsigned int offs2;
1286         unsigned char store;
1287         unsigned char bytes[32];
1288         unsigned char* tmp;
1289
1290         DBG(__FUNCTION__)
1291
1292         vm = ACCESS_FBINFO(video.vbase);
1293         maxSize &= ~0x1FFFFF;   /* must be X*2MB (really it must be 2 or X*4MB) */
1294         /* at least 2MB */
1295         if (maxSize < 0x0200000) return 0;
1296         if (maxSize > 0x2000000) maxSize = 0x2000000;
1297
1298         mga_outb(M_EXTVGA_INDEX, 0x03);
1299         mga_outb(M_EXTVGA_DATA, mga_inb(M_EXTVGA_DATA) | 0x80);
1300
1301         store = mga_readb(vm, 0x1234);
1302         tmp = bytes;
1303         for (offs = 0x100000; offs < maxSize; offs += 0x200000)
1304                 *tmp++ = mga_readb(vm, offs);
1305         for (offs = 0x100000; offs < maxSize; offs += 0x200000)
1306                 mga_writeb(vm, offs, 0x02);
1307         if (ACCESS_FBINFO(features.accel.has_cacheflush))
1308                 mga_outb(M_CACHEFLUSH, 0x00);
1309         else
1310                 mga_writeb(vm, 0x1234, 0x99);
1311         for (offs = 0x100000; offs < maxSize; offs += 0x200000) {
1312                 if (mga_readb(vm, offs) != 0x02)
1313                         break;
1314                 mga_writeb(vm, offs, mga_readb(vm, offs) - 0x02);
1315                 if (mga_readb(vm, offs))
1316                         break;
1317         }
1318         tmp = bytes;
1319         for (offs2 = 0x100000; offs2 < maxSize; offs2 += 0x200000)
1320                 mga_writeb(vm, offs2, *tmp++);
1321         mga_writeb(vm, 0x1234, store);
1322
1323         mga_outb(M_EXTVGA_INDEX, 0x03);
1324         mga_outb(M_EXTVGA_DATA, mga_inb(M_EXTVGA_DATA) & ~0x80);
1325
1326         *realSize = offs - 0x100000;
1327 #ifdef CONFIG_FB_MATROX_MILLENIUM
1328         ACCESS_FBINFO(interleave) = !(!isMillenium(MINFO) || ((offs - 0x100000) & 0x3FFFFF));
1329 #endif
1330         return 1;
1331 }
1332
1333 struct video_board {
1334         int maxvram;
1335         int maxdisplayable;
1336         int accelID;
1337         struct matrox_switch* lowlevel;
1338                  };
1339 #ifdef CONFIG_FB_MATROX_MILLENIUM
1340 static struct video_board vbMillennium          = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGA2064W,      &matrox_millennium};
1341 static struct video_board vbMillennium2         = {0x1000000, 0x0800000, FB_ACCEL_MATROX_MGA2164W,      &matrox_millennium};
1342 static struct video_board vbMillennium2A        = {0x1000000, 0x0800000, FB_ACCEL_MATROX_MGA2164W_AGP,  &matrox_millennium};
1343 #endif  /* CONFIG_FB_MATROX_MILLENIUM */
1344 #ifdef CONFIG_FB_MATROX_MYSTIQUE
1345 static struct video_board vbMystique            = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGA1064SG,     &matrox_mystique};
1346 #endif  /* CONFIG_FB_MATROX_MYSTIQUE */
1347 #ifdef CONFIG_FB_MATROX_G100
1348 static struct video_board vbG100                = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGAG100,       &matrox_G100};
1349 static struct video_board vbG200                = {0x1000000, 0x1000000, FB_ACCEL_MATROX_MGAG200,       &matrox_G100};
1350 #ifdef CONFIG_FB_MATROX_32MB
1351 /* from doc it looks like that accelerator can draw only to low 16MB :-( Direct accesses & displaying are OK for
1352    whole 32MB */
1353 static struct video_board vbG400                = {0x2000000, 0x1000000, FB_ACCEL_MATROX_MGAG400,       &matrox_G100};
1354 #else
1355 static struct video_board vbG400                = {0x2000000, 0x1000000, FB_ACCEL_MATROX_MGAG400,       &matrox_G100};
1356 #endif
1357 #endif
1358
1359 #define DEVF_VIDEO64BIT         0x0001
1360 #define DEVF_SWAPS              0x0002
1361 #define DEVF_SRCORG             0x0004
1362 #define DEVF_DUALHEAD           0x0008
1363 #define DEVF_CROSS4MB           0x0010
1364 #define DEVF_TEXT4B             0x0020
1365 /* #define DEVF_recycled        0x0040  */
1366 /* #define DEVF_recycled        0x0080  */
1367 #define DEVF_SUPPORT32MB        0x0100
1368 #define DEVF_ANY_VXRES          0x0200
1369 #define DEVF_TEXT16B            0x0400
1370 #define DEVF_CRTC2              0x0800
1371 #define DEVF_MAVEN_CAPABLE      0x1000
1372 #define DEVF_PANELLINK_CAPABLE  0x2000
1373 #define DEVF_G450DAC            0x4000
1374
1375 #define DEVF_GCORE      (DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB)
1376 #define DEVF_G2CORE     (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_MAVEN_CAPABLE | DEVF_PANELLINK_CAPABLE | DEVF_SRCORG | DEVF_DUALHEAD)
1377 #define DEVF_G100       (DEVF_GCORE) /* no doc, no vxres... */
1378 #define DEVF_G200       (DEVF_G2CORE)
1379 #define DEVF_G400       (DEVF_G2CORE | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2)
1380 /* if you'll find how to drive DFP... */
1381 #define DEVF_G450       (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2 | DEVF_G450DAC | DEVF_SRCORG | DEVF_DUALHEAD)
1382 #define DEVF_G550       (DEVF_G450)
1383
1384 static struct board {
1385         unsigned short vendor, device, rev, svid, sid;
1386         unsigned int flags;
1387         unsigned int maxclk;
1388         enum mga_chip chip;
1389         struct video_board* base;
1390         const char* name;
1391                 } dev_list[] = {
1392 #ifdef CONFIG_FB_MATROX_MILLENIUM
1393         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL,       0xFF,
1394                 0,                      0,
1395                 DEVF_TEXT4B,
1396                 230000,
1397                 MGA_2064,
1398                 &vbMillennium,
1399                 "Millennium (PCI)"},
1400         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2,     0xFF,
1401                 0,                      0,
1402                 DEVF_SWAPS,
1403                 220000,
1404                 MGA_2164,
1405                 &vbMillennium2,
1406                 "Millennium II (PCI)"},
1407         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2_AGP, 0xFF,
1408                 0,                      0,
1409                 DEVF_SWAPS,
1410                 250000,
1411                 MGA_2164,
1412                 &vbMillennium2A,
1413                 "Millennium II (AGP)"},
1414 #endif
1415 #ifdef CONFIG_FB_MATROX_MYSTIQUE
1416         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,       0x02,
1417                 0,                      0,
1418                 DEVF_VIDEO64BIT | DEVF_CROSS4MB,
1419                 180000,
1420                 MGA_1064,
1421                 &vbMystique,
1422                 "Mystique (PCI)"},
1423         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,       0xFF,
1424                 0,                      0,
1425                 DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB,
1426                 220000,
1427                 MGA_1164,
1428                 &vbMystique,
1429                 "Mystique 220 (PCI)"},
1430 #endif
1431 #ifdef CONFIG_FB_MATROX_G100
1432         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_MM,   0xFF,
1433                 0,                      0,
1434                 DEVF_G100,
1435                 230000,
1436                 MGA_G100,
1437                 &vbG100,
1438                 "MGA-G100 (PCI)"},
1439         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_AGP,  0xFF,
1440                 0,                      0,
1441                 DEVF_G100,
1442                 230000,
1443                 MGA_G100,
1444                 &vbG100,
1445                 "MGA-G100 (AGP)"},
1446         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_PCI,  0xFF,
1447                 0,                      0,
1448                 DEVF_G200,
1449                 250000,
1450                 MGA_G200,
1451                 &vbG200,
1452                 "MGA-G200 (PCI)"},
1453         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1454                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_GENERIC,
1455                 DEVF_G200,
1456                 220000,
1457                 MGA_G200,
1458                 &vbG200,
1459                 "MGA-G200 (AGP)"},
1460         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1461                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MYSTIQUE_G200_AGP,
1462                 DEVF_G200,
1463                 230000,
1464                 MGA_G200,
1465                 &vbG200,
1466                 "Mystique G200 (AGP)"},
1467         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1468                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MILLENIUM_G200_AGP,
1469                 DEVF_G200,
1470                 250000,
1471                 MGA_G200,
1472                 &vbG200,
1473                 "Millennium G200 (AGP)"},
1474         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1475                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MARVEL_G200_AGP,
1476                 DEVF_G200,
1477                 230000,
1478                 MGA_G200,
1479                 &vbG200,
1480                 "Marvel G200 (AGP)"},
1481         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1482                 PCI_SS_VENDOR_ID_SIEMENS_NIXDORF,       PCI_SS_ID_SIEMENS_MGA_G200_AGP,
1483                 DEVF_G200,
1484                 230000,
1485                 MGA_G200,
1486                 &vbG200,
1487                 "MGA-G200 (AGP)"},
1488         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1489                 0,                      0,
1490                 DEVF_G200,
1491                 230000,
1492                 MGA_G200,
1493                 &vbG200,
1494                 "G200 (AGP)"},
1495         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0x80,
1496                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MILLENNIUM_G400_MAX_AGP,
1497                 DEVF_G400,
1498                 360000,
1499                 MGA_G400,
1500                 &vbG400,
1501                 "Millennium G400 MAX (AGP)"},
1502         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0x80,
1503                 0,                      0,
1504                 DEVF_G400,
1505                 300000,
1506                 MGA_G400,
1507                 &vbG400,
1508                 "G400 (AGP)"},
1509         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0xFF,
1510                 0,                      0,
1511                 DEVF_G450,
1512                 360000,
1513                 MGA_G450,
1514                 &vbG400,
1515                 "G450"},
1516         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G550,      0xFF,
1517                 0,                      0,
1518                 DEVF_G550,
1519                 360000,
1520                 MGA_G550,
1521                 &vbG400,
1522                 "G550"},
1523 #endif
1524         {0,                     0,                              0xFF,
1525                 0,                      0,
1526                 0,
1527                 0,
1528                 0,
1529                 NULL,
1530                 NULL}};
1531
1532 #ifndef MODULE
1533 static struct fb_videomode defaultmode = {
1534         /* 640x480 @ 60Hz, 31.5 kHz */
1535         NULL, 60, 640, 480, 39721, 40, 24, 32, 11, 96, 2,
1536         0, FB_VMODE_NONINTERLACED
1537 };
1538 #endif /* !MODULE */
1539
1540 static int hotplug = 0;
1541
1542 static void setDefaultOutputs(WPMINFO2) {
1543         unsigned int i;
1544         const char* ptr;
1545
1546         ACCESS_FBINFO(outputs[0]).default_src = MATROXFB_SRC_CRTC1;
1547         if (ACCESS_FBINFO(devflags.g450dac)) {
1548                 ACCESS_FBINFO(outputs[1]).default_src = MATROXFB_SRC_CRTC1;
1549                 ACCESS_FBINFO(outputs[2]).default_src = MATROXFB_SRC_CRTC1;
1550         } else if (dfp) {
1551                 ACCESS_FBINFO(outputs[2]).default_src = MATROXFB_SRC_CRTC1;
1552         }
1553         ptr = outputs;
1554         for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1555                 char c = *ptr++;
1556
1557                 if (c == 0) {
1558                         break;
1559                 }
1560                 if (c == '0') {
1561                         ACCESS_FBINFO(outputs[i]).default_src = MATROXFB_SRC_NONE;
1562                 } else if (c == '1') {
1563                         ACCESS_FBINFO(outputs[i]).default_src = MATROXFB_SRC_CRTC1;
1564                 } else if (c == '2' && ACCESS_FBINFO(devflags.crtc2)) {
1565                         ACCESS_FBINFO(outputs[i]).default_src = MATROXFB_SRC_CRTC2;
1566                 } else {
1567                         printk(KERN_ERR "matroxfb: Unknown outputs setting\n");
1568                         break;
1569                 }
1570         }
1571         /* Nullify this option for subsequent adapters */
1572         outputs[0] = 0;
1573 }
1574
1575 static int initMatrox2(WPMINFO struct board* b){
1576         unsigned long ctrlptr_phys = 0;
1577         unsigned long video_base_phys = 0;
1578         unsigned int memsize;
1579         int err;
1580
1581         DBG(__FUNCTION__)
1582
1583         /* set default values... */
1584         vesafb_defined.accel_flags = FB_ACCELF_TEXT;
1585
1586         ACCESS_FBINFO(hw_switch) = b->base->lowlevel;
1587         ACCESS_FBINFO(devflags.accelerator) = b->base->accelID;
1588         ACCESS_FBINFO(max_pixel_clock) = b->maxclk;
1589
1590         printk(KERN_INFO "matroxfb: Matrox %s detected\n", b->name);
1591         ACCESS_FBINFO(capable.plnwt) = 1;
1592         ACCESS_FBINFO(chip) = b->chip;
1593         ACCESS_FBINFO(capable.srcorg) = b->flags & DEVF_SRCORG;
1594         ACCESS_FBINFO(devflags.video64bits) = b->flags & DEVF_VIDEO64BIT;
1595         if (b->flags & DEVF_TEXT4B) {
1596                 ACCESS_FBINFO(devflags.vgastep) = 4;
1597                 ACCESS_FBINFO(devflags.textmode) = 4;
1598                 ACCESS_FBINFO(devflags.text_type_aux) = FB_AUX_TEXT_MGA_STEP16;
1599         } else if (b->flags & DEVF_TEXT16B) {
1600                 ACCESS_FBINFO(devflags.vgastep) = 16;
1601                 ACCESS_FBINFO(devflags.textmode) = 1;
1602                 ACCESS_FBINFO(devflags.text_type_aux) = FB_AUX_TEXT_MGA_STEP16;
1603         } else {
1604                 ACCESS_FBINFO(devflags.vgastep) = 8;
1605                 ACCESS_FBINFO(devflags.textmode) = 1;
1606                 ACCESS_FBINFO(devflags.text_type_aux) = FB_AUX_TEXT_MGA_STEP8;
1607         }
1608 #ifdef CONFIG_FB_MATROX_32MB
1609         ACCESS_FBINFO(devflags.support32MB) = (b->flags & DEVF_SUPPORT32MB) != 0;
1610 #endif
1611         ACCESS_FBINFO(devflags.precise_width) = !(b->flags & DEVF_ANY_VXRES);
1612         ACCESS_FBINFO(devflags.crtc2) = (b->flags & DEVF_CRTC2) != 0;
1613         ACCESS_FBINFO(devflags.maven_capable) = (b->flags & DEVF_MAVEN_CAPABLE) != 0;
1614         ACCESS_FBINFO(devflags.dualhead) = (b->flags & DEVF_DUALHEAD) != 0;
1615         ACCESS_FBINFO(devflags.dfp_type) = dfp_type;
1616         ACCESS_FBINFO(devflags.g450dac) = (b->flags & DEVF_G450DAC) != 0;
1617         ACCESS_FBINFO(devflags.textstep) = ACCESS_FBINFO(devflags.vgastep) * ACCESS_FBINFO(devflags.textmode);
1618         ACCESS_FBINFO(devflags.textvram) = 65536 / ACCESS_FBINFO(devflags.textmode);
1619         setDefaultOutputs(PMINFO2);
1620         if (b->flags & DEVF_PANELLINK_CAPABLE) {
1621                 ACCESS_FBINFO(outputs[2]).data = MINFO;
1622                 ACCESS_FBINFO(outputs[2]).output = &panellink_output;
1623                 ACCESS_FBINFO(outputs[2]).src = ACCESS_FBINFO(outputs[2]).default_src;
1624                 ACCESS_FBINFO(outputs[2]).mode = MATROXFB_OUTPUT_MODE_MONITOR;
1625                 ACCESS_FBINFO(devflags.panellink) = 1;
1626         }
1627
1628         if (ACCESS_FBINFO(capable.cross4MB) < 0)
1629                 ACCESS_FBINFO(capable.cross4MB) = b->flags & DEVF_CROSS4MB;
1630         if (b->flags & DEVF_SWAPS) {
1631                 ctrlptr_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 1);
1632                 video_base_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 0);
1633                 ACCESS_FBINFO(devflags.fbResource) = PCI_BASE_ADDRESS_0;
1634         } else {
1635                 ctrlptr_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 0);
1636                 video_base_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 1);
1637                 ACCESS_FBINFO(devflags.fbResource) = PCI_BASE_ADDRESS_1;
1638         }
1639         err = -EINVAL;
1640         if (!ctrlptr_phys) {
1641                 printk(KERN_ERR "matroxfb: control registers are not available, matroxfb disabled\n");
1642                 goto fail;
1643         }
1644         if (!video_base_phys) {
1645                 printk(KERN_ERR "matroxfb: video RAM is not available in PCI address space, matroxfb disabled\n");
1646                 goto fail;
1647         }
1648         memsize = b->base->maxvram;
1649         if (!request_mem_region(ctrlptr_phys, 16384, "matroxfb MMIO")) {
1650                 goto fail;
1651         }
1652         if (!request_mem_region(video_base_phys, memsize, "matroxfb FB")) {
1653                 goto failCtrlMR;
1654         }
1655         ACCESS_FBINFO(video.len_maximum) = memsize;
1656         /* convert mem (autodetect k, M) */
1657         if (mem < 1024) mem *= 1024;
1658         if (mem < 0x00100000) mem *= 1024;
1659
1660         if (mem && (mem < memsize))
1661                 memsize = mem;
1662         err = -ENOMEM;
1663         if (mga_ioremap(ctrlptr_phys, 16384, MGA_IOREMAP_MMIO, &ACCESS_FBINFO(mmio.vbase))) {
1664                 printk(KERN_ERR "matroxfb: cannot ioremap(%lX, 16384), matroxfb disabled\n", ctrlptr_phys);
1665                 goto failVideoMR;
1666         }
1667         ACCESS_FBINFO(mmio.base) = ctrlptr_phys;
1668         ACCESS_FBINFO(mmio.len) = 16384;
1669         ACCESS_FBINFO(video.base) = video_base_phys;
1670         if (mga_ioremap(video_base_phys, memsize, MGA_IOREMAP_FB, &ACCESS_FBINFO(video.vbase))) {
1671                 printk(KERN_ERR "matroxfb: cannot ioremap(%lX, %d), matroxfb disabled\n",
1672                         video_base_phys, memsize);
1673                 goto failCtrlIO;
1674         }
1675         {
1676                 u_int32_t cmd;
1677                 u_int32_t mga_option;
1678
1679                 pci_read_config_dword(ACCESS_FBINFO(pcidev), PCI_OPTION_REG, &mga_option);
1680                 pci_read_config_dword(ACCESS_FBINFO(pcidev), PCI_COMMAND, &cmd);
1681                 mga_option &= 0x7FFFFFFF; /* clear BIG_ENDIAN */
1682                 mga_option |= MX_OPTION_BSWAP;
1683                 /* disable palette snooping */
1684                 cmd &= ~PCI_COMMAND_VGA_PALETTE;
1685                 if (pci_find_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82437, NULL)) {
1686                         if (!(mga_option & 0x20000000) && !ACCESS_FBINFO(devflags.nopciretry)) {
1687                                 printk(KERN_WARNING "matroxfb: Disabling PCI retries due to i82437 present\n");
1688                         }
1689                         mga_option |= 0x20000000;
1690                         ACCESS_FBINFO(devflags.nopciretry) = 1;
1691                 }
1692                 pci_write_config_dword(ACCESS_FBINFO(pcidev), PCI_COMMAND, cmd);
1693                 pci_write_config_dword(ACCESS_FBINFO(pcidev), PCI_OPTION_REG, mga_option);
1694                 ACCESS_FBINFO(hw).MXoptionReg = mga_option;
1695
1696                 /* select non-DMA memory for PCI_MGA_DATA, otherwise dump of PCI cfg space can lock PCI bus */
1697                 /* maybe preinit() candidate, but it is same... for all devices... at this time... */
1698                 pci_write_config_dword(ACCESS_FBINFO(pcidev), PCI_MGA_INDEX, 0x00003C00);
1699         }
1700
1701         err = -ENXIO;
1702         matroxfb_read_pins(PMINFO2);
1703         if (ACCESS_FBINFO(hw_switch)->preinit(PMINFO2)) {
1704                 goto failVideoIO;
1705         }
1706
1707         err = -ENOMEM;
1708         if (!matroxfb_getmemory(PMINFO memsize, &ACCESS_FBINFO(video.len)) || !ACCESS_FBINFO(video.len)) {
1709                 printk(KERN_ERR "matroxfb: cannot determine memory size\n");
1710                 goto failVideoIO;
1711         }
1712         ACCESS_FBINFO(devflags.ydstorg) = 0;
1713
1714         ACCESS_FBINFO(fbcon.currcon) = -1;
1715         ACCESS_FBINFO(video.base) = video_base_phys;
1716         ACCESS_FBINFO(video.len_usable) = ACCESS_FBINFO(video.len);
1717         if (ACCESS_FBINFO(video.len_usable) > b->base->maxdisplayable)
1718                 ACCESS_FBINFO(video.len_usable) = b->base->maxdisplayable;
1719 #ifdef CONFIG_MTRR
1720         if (mtrr) {
1721                 ACCESS_FBINFO(mtrr.vram) = mtrr_add(video_base_phys, ACCESS_FBINFO(video.len), MTRR_TYPE_WRCOMB, 1);
1722                 ACCESS_FBINFO(mtrr.vram_valid) = 1;
1723                 printk(KERN_INFO "matroxfb: MTRR's turned on\n");
1724         }
1725 #endif  /* CONFIG_MTRR */
1726
1727         if (!ACCESS_FBINFO(devflags.novga))
1728                 request_region(0x3C0, 32, "matrox");
1729         matroxfb_g450_connect(PMINFO2);
1730         ACCESS_FBINFO(hw_switch->reset(PMINFO2));
1731
1732         ACCESS_FBINFO(fbcon.monspecs.hfmin) = 0;
1733         ACCESS_FBINFO(fbcon.monspecs.hfmax) = fh;
1734         ACCESS_FBINFO(fbcon.monspecs.vfmin) = 0;
1735         ACCESS_FBINFO(fbcon.monspecs.vfmax) = fv;
1736         ACCESS_FBINFO(fbcon.monspecs.dpms) = 0; /* TBD */
1737
1738         /* static settings */
1739         vesafb_defined.red = colors[depth-1].red;
1740         vesafb_defined.green = colors[depth-1].green;
1741         vesafb_defined.blue = colors[depth-1].blue;
1742         vesafb_defined.bits_per_pixel = colors[depth-1].bits_per_pixel;
1743         vesafb_defined.grayscale = grayscale;
1744         vesafb_defined.vmode = 0;
1745         if (noaccel)
1746                 vesafb_defined.accel_flags &= ~FB_ACCELF_TEXT;
1747
1748         ACCESS_FBINFO(fbops) = matroxfb_ops;
1749         ACCESS_FBINFO(fbcon.fbops) = &ACCESS_FBINFO(fbops);
1750         ACCESS_FBINFO(fbcon.pseudo_palette) = ACCESS_FBINFO(cmap);
1751         /* after __init time we are like module... no logo */
1752         ACCESS_FBINFO(fbcon.flags) = hotplug ? FBINFO_FLAG_MODULE : FBINFO_FLAG_DEFAULT;
1753         ACCESS_FBINFO(video.len_usable) &= PAGE_MASK;
1754         fb_alloc_cmap(&ACCESS_FBINFO(fbcon.cmap), 256, 1);
1755
1756 #ifndef MODULE
1757         /* mode database is marked __init!!! */
1758         if (!hotplug) {
1759                 fb_find_mode(&vesafb_defined, &ACCESS_FBINFO(fbcon), videomode[0]?videomode:NULL,
1760                         NULL, 0, &defaultmode, vesafb_defined.bits_per_pixel);
1761         }
1762 #endif /* !MODULE */
1763
1764         /* mode modifiers */
1765         if (hslen)
1766                 vesafb_defined.hsync_len = hslen;
1767         if (vslen)
1768                 vesafb_defined.vsync_len = vslen;
1769         if (left != ~0)
1770                 vesafb_defined.left_margin = left;
1771         if (right != ~0)
1772                 vesafb_defined.right_margin = right;
1773         if (upper != ~0)
1774                 vesafb_defined.upper_margin = upper;
1775         if (lower != ~0)
1776                 vesafb_defined.lower_margin = lower;
1777         if (xres)
1778                 vesafb_defined.xres = xres;
1779         if (yres)
1780                 vesafb_defined.yres = yres;
1781         if (sync != -1)
1782                 vesafb_defined.sync = sync;
1783         else if (vesafb_defined.sync == ~0) {
1784                 vesafb_defined.sync = 0;
1785                 if (yres < 400)
1786                         vesafb_defined.sync |= FB_SYNC_HOR_HIGH_ACT;
1787                 else if (yres < 480)
1788                         vesafb_defined.sync |= FB_SYNC_VERT_HIGH_ACT;
1789         }
1790
1791         /* fv, fh, maxclk limits was specified */
1792         {
1793                 unsigned int tmp;
1794
1795                 if (fv) {
1796                         tmp = fv * (vesafb_defined.upper_margin + vesafb_defined.yres
1797                                   + vesafb_defined.lower_margin + vesafb_defined.vsync_len);
1798                         if ((tmp < fh) || (fh == 0)) fh = tmp;
1799                 }
1800                 if (fh) {
1801                         tmp = fh * (vesafb_defined.left_margin + vesafb_defined.xres
1802                                   + vesafb_defined.right_margin + vesafb_defined.hsync_len);
1803                         if ((tmp < maxclk) || (maxclk == 0)) maxclk = tmp;
1804                 }
1805                 tmp = (maxclk + 499) / 500;
1806                 if (tmp) {
1807                         tmp = (2000000000 + tmp) / tmp;
1808                         if (tmp > pixclock) pixclock = tmp;
1809                 }
1810         }
1811         if (pixclock) {
1812                 if (pixclock < 2000)            /* > 500MHz */
1813                         pixclock = 4000;        /* 250MHz */
1814                 if (pixclock > 1000000)
1815                         pixclock = 1000000;     /* 1MHz */
1816                 vesafb_defined.pixclock = pixclock;
1817         }
1818
1819         /* FIXME: Where to move this?! */
1820 #if defined(CONFIG_PPC_PMAC)
1821 #ifndef MODULE
1822         if (_machine == _MACH_Pmac) {
1823                 struct fb_var_screeninfo var;
1824                 if (default_vmode <= 0 || default_vmode > VMODE_MAX)
1825                         default_vmode = VMODE_640_480_60;
1826 #ifdef CONFIG_NVRAM
1827                 if (default_cmode == CMODE_NVRAM)
1828                         default_cmode = nvram_read_byte(NV_CMODE);
1829 #endif
1830                 if (default_cmode < CMODE_8 || default_cmode > CMODE_32)
1831                         default_cmode = CMODE_8;
1832                 if (!mac_vmode_to_var(default_vmode, default_cmode, &var)) {
1833                         var.accel_flags = vesafb_defined.accel_flags;
1834                         var.xoffset = var.yoffset = 0;
1835                         /* Note: mac_vmode_to_var() does not set all parameters */
1836                         vesafb_defined = var;
1837                 }
1838         }
1839 #endif /* !MODULE */
1840 #endif /* CONFIG_PPC_PMAC */
1841         vesafb_defined.xres_virtual = vesafb_defined.xres;
1842         if (nopan) {
1843                 vesafb_defined.yres_virtual = vesafb_defined.yres;
1844         } else {
1845                 vesafb_defined.yres_virtual = 65536; /* large enough to be INF, but small enough
1846                                                         to yres_virtual * xres_virtual < 2^32 */
1847         }
1848         matroxfb_init_fix(PMINFO2);
1849         /* Normalize values (namely yres_virtual) */
1850         matroxfb_check_var(&vesafb_defined, &ACCESS_FBINFO(fbcon));
1851         /* And put it into "current" var. Do NOT program hardware yet, or we'll not take over
1852          * vgacon correctly. fbcon_startup will call fb_set_par for us, WITHOUT check_var,
1853          * and unfortunately it will do it BEFORE vgacon contents is saved, so it won't work
1854          * anyway. But we at least tried... */
1855         ACCESS_FBINFO(fbcon.var) = vesafb_defined;
1856         err = -EINVAL;
1857
1858         printk(KERN_INFO "matroxfb: %dx%dx%dbpp (virtual: %dx%d)\n",
1859                 vesafb_defined.xres, vesafb_defined.yres, vesafb_defined.bits_per_pixel,
1860                 vesafb_defined.xres_virtual, vesafb_defined.yres_virtual);
1861         printk(KERN_INFO "matroxfb: framebuffer at 0x%lX, mapped to 0x%p, size %d\n",
1862                 ACCESS_FBINFO(video.base), vaddr_va(ACCESS_FBINFO(video.vbase)), ACCESS_FBINFO(video.len));
1863
1864 /* We do not have to set currcon to 0... register_framebuffer do it for us on first console
1865  * and we do not want currcon == 0 for subsequent framebuffers */
1866
1867         if (register_framebuffer(&ACCESS_FBINFO(fbcon)) < 0) {
1868                 goto failVideoIO;
1869         }
1870         printk("fb%d: %s frame buffer device\n",
1871                ACCESS_FBINFO(fbcon.node), ACCESS_FBINFO(fbcon.fix.id));
1872         if (ACCESS_FBINFO(fbcon.currcon) < 0) {
1873                 /* there is no console on this fb... but we have to initialize hardware
1874                  * until someone tells me what is proper thing to do */
1875                 printk(KERN_INFO "fb%d: initializing hardware\n",
1876                         ACCESS_FBINFO(fbcon.node));
1877                 /* We have to use FB_ACTIVATE_FORCE, as we had to put vesafb_defined to the fbcon.var
1878                  * already before, so register_framebuffer works correctly. */
1879                 vesafb_defined.activate |= FB_ACTIVATE_FORCE;
1880                 fb_set_var(&ACCESS_FBINFO(fbcon), &vesafb_defined);
1881         }
1882         return 0;
1883 failVideoIO:;
1884         matroxfb_g450_shutdown(PMINFO2);
1885         mga_iounmap(ACCESS_FBINFO(video.vbase));
1886 failCtrlIO:;
1887         mga_iounmap(ACCESS_FBINFO(mmio.vbase));
1888 failVideoMR:;
1889         release_mem_region(video_base_phys, ACCESS_FBINFO(video.len_maximum));
1890 failCtrlMR:;
1891         release_mem_region(ctrlptr_phys, 16384);
1892 fail:;
1893         return err;
1894 }
1895
1896 LIST_HEAD(matroxfb_list);
1897 LIST_HEAD(matroxfb_driver_list);
1898
1899 #define matroxfb_l(x) list_entry(x, struct matrox_fb_info, next_fb)
1900 #define matroxfb_driver_l(x) list_entry(x, struct matroxfb_driver, node)
1901 int matroxfb_register_driver(struct matroxfb_driver* drv) {
1902         struct matrox_fb_info* minfo;
1903
1904         list_add(&drv->node, &matroxfb_driver_list);
1905         for (minfo = matroxfb_l(matroxfb_list.next);
1906              minfo != matroxfb_l(&matroxfb_list);
1907              minfo = matroxfb_l(minfo->next_fb.next)) {
1908                 void* p;
1909
1910                 if (minfo->drivers_count == MATROXFB_MAX_FB_DRIVERS)
1911                         continue;
1912                 p = drv->probe(minfo);
1913                 if (p) {
1914                         minfo->drivers_data[minfo->drivers_count] = p;
1915                         minfo->drivers[minfo->drivers_count++] = drv;
1916                 }
1917         }
1918         return 0;
1919 }
1920
1921 void matroxfb_unregister_driver(struct matroxfb_driver* drv) {
1922         struct matrox_fb_info* minfo;
1923
1924         list_del(&drv->node);
1925         for (minfo = matroxfb_l(matroxfb_list.next);
1926              minfo != matroxfb_l(&matroxfb_list);
1927              minfo = matroxfb_l(minfo->next_fb.next)) {
1928                 int i;
1929
1930                 for (i = 0; i < minfo->drivers_count; ) {
1931                         if (minfo->drivers[i] == drv) {
1932                                 if (drv && drv->remove)
1933                                         drv->remove(minfo, minfo->drivers_data[i]);
1934                                 minfo->drivers[i] = minfo->drivers[--minfo->drivers_count];
1935                                 minfo->drivers_data[i] = minfo->drivers_data[minfo->drivers_count];
1936                         } else
1937                                 i++;
1938                 }
1939         }
1940 }
1941
1942 static void matroxfb_register_device(struct matrox_fb_info* minfo) {
1943         struct matroxfb_driver* drv;
1944         int i = 0;
1945         list_add(&ACCESS_FBINFO(next_fb), &matroxfb_list);
1946         for (drv = matroxfb_driver_l(matroxfb_driver_list.next);
1947              drv != matroxfb_driver_l(&matroxfb_driver_list);
1948              drv = matroxfb_driver_l(drv->node.next)) {
1949                 if (drv && drv->probe) {
1950                         void *p = drv->probe(minfo);
1951                         if (p) {
1952                                 minfo->drivers_data[i] = p;
1953                                 minfo->drivers[i++] = drv;
1954                                 if (i == MATROXFB_MAX_FB_DRIVERS)
1955                                         break;
1956                         }
1957                 }
1958         }
1959         minfo->drivers_count = i;
1960 }
1961
1962 static void matroxfb_unregister_device(struct matrox_fb_info* minfo) {
1963         int i;
1964
1965         list_del(&ACCESS_FBINFO(next_fb));
1966         for (i = 0; i < minfo->drivers_count; i++) {
1967                 struct matroxfb_driver* drv = minfo->drivers[i];
1968
1969                 if (drv && drv->remove)
1970                         drv->remove(minfo, minfo->drivers_data[i]);
1971         }
1972 }
1973
1974 static int matroxfb_probe(struct pci_dev* pdev, const struct pci_device_id* dummy) {
1975         struct board* b;
1976         u_int8_t rev;
1977         u_int16_t svid;
1978         u_int16_t sid;
1979         struct matrox_fb_info* minfo;
1980         int err;
1981         u_int32_t cmd;
1982 #ifndef CONFIG_FB_MATROX_MULTIHEAD
1983         static int registered = 0;
1984 #endif
1985         DBG(__FUNCTION__)
1986
1987         pci_read_config_byte(pdev, PCI_REVISION_ID, &rev);
1988         svid = pdev->subsystem_vendor;
1989         sid = pdev->subsystem_device;
1990         for (b = dev_list; b->vendor; b++) {
1991                 if ((b->vendor != pdev->vendor) || (b->device != pdev->device) || (b->rev < rev)) continue;
1992                 if (b->svid)
1993                         if ((b->svid != svid) || (b->sid != sid)) continue;
1994                 break;
1995         }
1996         /* not match... */
1997         if (!b->vendor)
1998                 return -1;
1999         if (dev > 0) {
2000                 /* not requested one... */
2001                 dev--;
2002                 return -1;
2003         }
2004         pci_read_config_dword(pdev, PCI_COMMAND, &cmd);
2005         if (pci_enable_device(pdev)) {
2006                 return -1;
2007         }
2008
2009 #ifdef CONFIG_FB_MATROX_MULTIHEAD
2010         minfo = (struct matrox_fb_info*)kmalloc(sizeof(*minfo), GFP_KERNEL);
2011         if (!minfo)
2012                 return -1;
2013 #else
2014         if (registered) /* singlehead driver... */
2015                 return -1;
2016         minfo = &matroxfb_global_mxinfo;
2017 #endif
2018         memset(MINFO, 0, sizeof(*MINFO));
2019
2020         ACCESS_FBINFO(pcidev) = pdev;
2021         ACCESS_FBINFO(dead) = 0;
2022         ACCESS_FBINFO(usecount) = 0;
2023         ACCESS_FBINFO(userusecount) = 0;
2024
2025         pci_set_drvdata(pdev, MINFO);
2026         /* DEVFLAGS */
2027         ACCESS_FBINFO(devflags.memtype) = memtype;
2028         if (memtype != -1)
2029                 noinit = 0;
2030         if (cmd & PCI_COMMAND_MEMORY) {
2031                 ACCESS_FBINFO(devflags.novga) = novga;
2032                 ACCESS_FBINFO(devflags.nobios) = nobios;
2033                 ACCESS_FBINFO(devflags.noinit) = noinit;
2034                 /* subsequent heads always needs initialization and must not enable BIOS */
2035                 novga = 1;
2036                 nobios = 1;
2037                 noinit = 0;
2038         } else {
2039                 ACCESS_FBINFO(devflags.novga) = 1;
2040                 ACCESS_FBINFO(devflags.nobios) = 1;
2041                 ACCESS_FBINFO(devflags.noinit) = 0;
2042         }
2043
2044         ACCESS_FBINFO(devflags.nopciretry) = no_pci_retry;
2045         ACCESS_FBINFO(devflags.mga_24bpp_fix) = inv24;
2046         ACCESS_FBINFO(devflags.precise_width) = option_precise_width;
2047         ACCESS_FBINFO(devflags.sgram) = sgram;
2048         ACCESS_FBINFO(capable.cross4MB) = cross4MB;
2049
2050         spin_lock_init(&ACCESS_FBINFO(lock.DAC));
2051         spin_lock_init(&ACCESS_FBINFO(lock.accel));
2052         init_rwsem(&ACCESS_FBINFO(crtc2.lock));
2053         init_rwsem(&ACCESS_FBINFO(altout.lock));
2054         ACCESS_FBINFO(irq_flags) = 0;
2055         init_waitqueue_head(&ACCESS_FBINFO(crtc1.vsync.wait));
2056         init_waitqueue_head(&ACCESS_FBINFO(crtc2.vsync.wait));
2057         ACCESS_FBINFO(crtc1.panpos) = -1;
2058
2059         err = initMatrox2(PMINFO b);
2060         if (!err) {
2061 #ifndef CONFIG_FB_MATROX_MULTIHEAD
2062                 registered = 1;
2063 #endif
2064                 matroxfb_register_device(MINFO);
2065                 return 0;
2066         }
2067 #ifdef CONFIG_FB_MATROX_MULTIHEAD
2068         kfree(minfo);
2069 #endif
2070         return -1;
2071 }
2072
2073 static void pci_remove_matrox(struct pci_dev* pdev) {
2074         struct matrox_fb_info* minfo;
2075
2076         minfo = pci_get_drvdata(pdev);
2077         matroxfb_remove(PMINFO 1);
2078 }
2079
2080 static struct pci_device_id matroxfb_devices[] = {
2081 #ifdef CONFIG_FB_MATROX_MILLENIUM
2082         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL,
2083                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2084         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2,
2085                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2086         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2_AGP,
2087                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2088 #endif
2089 #ifdef CONFIG_FB_MATROX_MYSTIQUE
2090         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,
2091                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2092 #endif
2093 #ifdef CONFIG_FB_MATROX_G100
2094         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_MM,
2095                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2096         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_AGP,
2097                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2098         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_PCI,
2099                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2100         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,
2101                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2102         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,
2103                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2104         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G550,
2105                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2106 #endif
2107         {0,                     0,
2108                 0,              0,              0, 0, 0}
2109 };
2110
2111 MODULE_DEVICE_TABLE(pci, matroxfb_devices);
2112
2113
2114 static struct pci_driver matroxfb_driver = {
2115         .name =         "matroxfb",
2116         .id_table =     matroxfb_devices,
2117         .probe =        matroxfb_probe,
2118         .remove =       pci_remove_matrox,
2119 };
2120
2121 /* **************************** init-time only **************************** */
2122
2123 #define RSResolution(X) ((X) & 0x0F)
2124 #define RS640x400       1
2125 #define RS640x480       2
2126 #define RS800x600       3
2127 #define RS1024x768      4
2128 #define RS1280x1024     5
2129 #define RS1600x1200     6
2130 #define RS768x576       7
2131 #define RS960x720       8
2132 #define RS1152x864      9
2133 #define RS1408x1056     10
2134 #define RS640x350       11
2135 #define RS1056x344      12      /* 132 x 43 text */
2136 #define RS1056x400      13      /* 132 x 50 text */
2137 #define RS1056x480      14      /* 132 x 60 text */
2138 #define RSNoxNo         15
2139 /* 10-FF */
2140 static struct { int xres, yres, left, right, upper, lower, hslen, vslen, vfreq; } timmings[] __initdata = {
2141         {  640,  400,  48, 16, 39,  8,  96, 2, 70 },
2142         {  640,  480,  48, 16, 33, 10,  96, 2, 60 },
2143         {  800,  600, 144, 24, 28,  8, 112, 6, 60 },
2144         { 1024,  768, 160, 32, 30,  4, 128, 4, 60 },
2145         { 1280, 1024, 224, 32, 32,  4, 136, 4, 60 },
2146         { 1600, 1200, 272, 48, 32,  5, 152, 5, 60 },
2147         {  768,  576, 144, 16, 28,  6, 112, 4, 60 },
2148         {  960,  720, 144, 24, 28,  8, 112, 4, 60 },
2149         { 1152,  864, 192, 32, 30,  4, 128, 4, 60 },
2150         { 1408, 1056, 256, 40, 32,  5, 144, 5, 60 },
2151         {  640,  350,  48, 16, 39,  8,  96, 2, 70 },
2152         { 1056,  344,  96, 24, 59, 44, 160, 2, 70 },
2153         { 1056,  400,  96, 24, 39,  8, 160, 2, 70 },
2154         { 1056,  480,  96, 24, 36, 12, 160, 3, 60 },
2155         {    0,    0,  ~0, ~0, ~0, ~0,   0, 0,  0 }
2156 };
2157
2158 #define RSCreate(X,Y)   ((X) | ((Y) << 8))
2159 static struct { unsigned int vesa; unsigned int info; } *RSptr, vesamap[] __initdata = {
2160 /* default must be first */
2161         {    ~0, RSCreate(RSNoxNo,     RS8bpp ) },
2162         { 0x101, RSCreate(RS640x480,   RS8bpp ) },
2163         { 0x100, RSCreate(RS640x400,   RS8bpp ) },
2164         { 0x180, RSCreate(RS768x576,   RS8bpp ) },
2165         { 0x103, RSCreate(RS800x600,   RS8bpp ) },
2166         { 0x188, RSCreate(RS960x720,   RS8bpp ) },
2167         { 0x105, RSCreate(RS1024x768,  RS8bpp ) },
2168         { 0x190, RSCreate(RS1152x864,  RS8bpp ) },
2169         { 0x107, RSCreate(RS1280x1024, RS8bpp ) },
2170         { 0x198, RSCreate(RS1408x1056, RS8bpp ) },
2171         { 0x11C, RSCreate(RS1600x1200, RS8bpp ) },
2172         { 0x110, RSCreate(RS640x480,   RS15bpp) },
2173         { 0x181, RSCreate(RS768x576,   RS15bpp) },
2174         { 0x113, RSCreate(RS800x600,   RS15bpp) },
2175         { 0x189, RSCreate(RS960x720,   RS15bpp) },
2176         { 0x116, RSCreate(RS1024x768,  RS15bpp) },
2177         { 0x191, RSCreate(RS1152x864,  RS15bpp) },
2178         { 0x119, RSCreate(RS1280x1024, RS15bpp) },
2179         { 0x199, RSCreate(RS1408x1056, RS15bpp) },
2180         { 0x11D, RSCreate(RS1600x1200, RS15bpp) },
2181         { 0x111, RSCreate(RS640x480,   RS16bpp) },
2182         { 0x182, RSCreate(RS768x576,   RS16bpp) },
2183         { 0x114, RSCreate(RS800x600,   RS16bpp) },
2184         { 0x18A, RSCreate(RS960x720,   RS16bpp) },
2185         { 0x117, RSCreate(RS1024x768,  RS16bpp) },
2186         { 0x192, RSCreate(RS1152x864,  RS16bpp) },
2187         { 0x11A, RSCreate(RS1280x1024, RS16bpp) },
2188         { 0x19A, RSCreate(RS1408x1056, RS16bpp) },
2189         { 0x11E, RSCreate(RS1600x1200, RS16bpp) },
2190         { 0x1B2, RSCreate(RS640x480,   RS24bpp) },
2191         { 0x184, RSCreate(RS768x576,   RS24bpp) },
2192         { 0x1B5, RSCreate(RS800x600,   RS24bpp) },
2193         { 0x18C, RSCreate(RS960x720,   RS24bpp) },
2194         { 0x1B8, RSCreate(RS1024x768,  RS24bpp) },
2195         { 0x194, RSCreate(RS1152x864,  RS24bpp) },
2196         { 0x1BB, RSCreate(RS1280x1024, RS24bpp) },
2197         { 0x19C, RSCreate(RS1408x1056, RS24bpp) },
2198         { 0x1BF, RSCreate(RS1600x1200, RS24bpp) },
2199         { 0x112, RSCreate(RS640x480,   RS32bpp) },
2200         { 0x183, RSCreate(RS768x576,   RS32bpp) },
2201         { 0x115, RSCreate(RS800x600,   RS32bpp) },
2202         { 0x18B, RSCreate(RS960x720,   RS32bpp) },
2203         { 0x118, RSCreate(RS1024x768,  RS32bpp) },
2204         { 0x193, RSCreate(RS1152x864,  RS32bpp) },
2205         { 0x11B, RSCreate(RS1280x1024, RS32bpp) },
2206         { 0x19B, RSCreate(RS1408x1056, RS32bpp) },
2207         { 0x11F, RSCreate(RS1600x1200, RS32bpp) },
2208         { 0x010, RSCreate(RS640x350,   RS4bpp ) },
2209         { 0x012, RSCreate(RS640x480,   RS4bpp ) },
2210         { 0x102, RSCreate(RS800x600,   RS4bpp ) },
2211         { 0x104, RSCreate(RS1024x768,  RS4bpp ) },
2212         { 0x106, RSCreate(RS1280x1024, RS4bpp ) },
2213         {     0, 0                              }};
2214
2215 static void __init matroxfb_init_params(void) {
2216         /* fh from kHz to Hz */
2217         if (fh < 1000)
2218                 fh *= 1000;     /* 1kHz minimum */
2219         /* maxclk */
2220         if (maxclk < 1000) maxclk *= 1000;      /* kHz -> Hz, MHz -> kHz */
2221         if (maxclk < 1000000) maxclk *= 1000;   /* kHz -> Hz, 1MHz minimum */
2222         /* fix VESA number */
2223         if (vesa != ~0)
2224                 vesa &= 0x1DFF;         /* mask out clearscreen, acceleration and so on */
2225
2226         /* static settings */
2227         for (RSptr = vesamap; RSptr->vesa; RSptr++) {
2228                 if (RSptr->vesa == vesa) break;
2229         }
2230         if (!RSptr->vesa) {
2231                 printk(KERN_ERR "Invalid vesa mode 0x%04X\n", vesa);
2232                 RSptr = vesamap;
2233         }
2234         {
2235                 int res = RSResolution(RSptr->info)-1;
2236                 if (left == ~0)
2237                         left = timmings[res].left;
2238                 if (!xres)
2239                         xres = timmings[res].xres;
2240                 if (right == ~0)
2241                         right = timmings[res].right;
2242                 if (!hslen)
2243                         hslen = timmings[res].hslen;
2244                 if (upper == ~0)
2245                         upper = timmings[res].upper;
2246                 if (!yres)
2247                         yres = timmings[res].yres;
2248                 if (lower == ~0)
2249                         lower = timmings[res].lower;
2250                 if (!vslen)
2251                         vslen = timmings[res].vslen;
2252                 if (!(fv||fh||maxclk||pixclock))
2253                         fv = timmings[res].vfreq;
2254                 if (depth == -1)
2255                         depth = RSDepth(RSptr->info);
2256         }
2257 }
2258
2259 static void __init matrox_init(void) {
2260         matroxfb_init_params();
2261         pci_register_driver(&matroxfb_driver);
2262         dev = -1;       /* accept all new devices... */
2263 }
2264
2265 /* **************************** exit-time only **************************** */
2266
2267 static void __exit matrox_done(void) {
2268         pci_unregister_driver(&matroxfb_driver);
2269 }
2270
2271 #ifndef MODULE
2272
2273 /* ************************* init in-kernel code ************************** */
2274
2275 int __init matroxfb_setup(char *options) {
2276         char *this_opt;
2277
2278         DBG(__FUNCTION__)
2279
2280         if (!options || !*options)
2281                 return 0;
2282
2283         while ((this_opt = strsep(&options, ",")) != NULL) {
2284                 if (!*this_opt) continue;
2285
2286                 dprintk("matroxfb_setup: option %s\n", this_opt);
2287
2288                 if (!strncmp(this_opt, "dev:", 4))
2289                         dev = simple_strtoul(this_opt+4, NULL, 0);
2290                 else if (!strncmp(this_opt, "depth:", 6)) {
2291                         switch (simple_strtoul(this_opt+6, NULL, 0)) {
2292                                 case 0: depth = RSText; break;
2293                                 case 4: depth = RS4bpp; break;
2294                                 case 8: depth = RS8bpp; break;
2295                                 case 15:depth = RS15bpp; break;
2296                                 case 16:depth = RS16bpp; break;
2297                                 case 24:depth = RS24bpp; break;
2298                                 case 32:depth = RS32bpp; break;
2299                                 default:
2300                                         printk(KERN_ERR "matroxfb: unsupported color depth\n");
2301                         }
2302                 } else if (!strncmp(this_opt, "xres:", 5))
2303                         xres = simple_strtoul(this_opt+5, NULL, 0);
2304                 else if (!strncmp(this_opt, "yres:", 5))
2305                         yres = simple_strtoul(this_opt+5, NULL, 0);
2306                 else if (!strncmp(this_opt, "vslen:", 6))
2307                         vslen = simple_strtoul(this_opt+6, NULL, 0);
2308                 else if (!strncmp(this_opt, "hslen:", 6))
2309                         hslen = simple_strtoul(this_opt+6, NULL, 0);
2310                 else if (!strncmp(this_opt, "left:", 5))
2311                         left = simple_strtoul(this_opt+5, NULL, 0);
2312                 else if (!strncmp(this_opt, "right:", 6))
2313                         right = simple_strtoul(this_opt+6, NULL, 0);
2314                 else if (!strncmp(this_opt, "upper:", 6))
2315                         upper = simple_strtoul(this_opt+6, NULL, 0);
2316                 else if (!strncmp(this_opt, "lower:", 6))
2317                         lower = simple_strtoul(this_opt+6, NULL, 0);
2318                 else if (!strncmp(this_opt, "pixclock:", 9))
2319                         pixclock = simple_strtoul(this_opt+9, NULL, 0);
2320                 else if (!strncmp(this_opt, "sync:", 5))
2321                         sync = simple_strtoul(this_opt+5, NULL, 0);
2322                 else if (!strncmp(this_opt, "vesa:", 5))
2323                         vesa = simple_strtoul(this_opt+5, NULL, 0);
2324                 else if (!strncmp(this_opt, "maxclk:", 7))
2325                         maxclk = simple_strtoul(this_opt+7, NULL, 0);
2326                 else if (!strncmp(this_opt, "fh:", 3))
2327                         fh = simple_strtoul(this_opt+3, NULL, 0);
2328                 else if (!strncmp(this_opt, "fv:", 3))
2329                         fv = simple_strtoul(this_opt+3, NULL, 0);
2330                 else if (!strncmp(this_opt, "mem:", 4))
2331                         mem = simple_strtoul(this_opt+4, NULL, 0);
2332                 else if (!strncmp(this_opt, "mode:", 5))
2333                         strlcpy(videomode, this_opt+5, sizeof(videomode));
2334                 else if (!strncmp(this_opt, "outputs:", 8))
2335                         strlcpy(outputs, this_opt+8, sizeof(outputs));
2336                 else if (!strncmp(this_opt, "dfp:", 4)) {
2337                         dfp_type = simple_strtoul(this_opt+4, NULL, 0);
2338                         dfp = 1;
2339                 }
2340 #ifdef CONFIG_PPC_PMAC
2341                 else if (!strncmp(this_opt, "vmode:", 6)) {
2342                         unsigned int vmode = simple_strtoul(this_opt+6, NULL, 0);
2343                         if (vmode > 0 && vmode <= VMODE_MAX)
2344                                 default_vmode = vmode;
2345                 } else if (!strncmp(this_opt, "cmode:", 6)) {
2346                         unsigned int cmode = simple_strtoul(this_opt+6, NULL, 0);
2347                         switch (cmode) {
2348                                 case 0:
2349                                 case 8:
2350                                         default_cmode = CMODE_8;
2351                                         break;
2352                                 case 15:
2353                                 case 16:
2354                                         default_cmode = CMODE_16;
2355                                         break;
2356                                 case 24:
2357                                 case 32:
2358                                         default_cmode = CMODE_32;
2359                                         break;
2360                         }
2361                 }
2362 #endif
2363                 else if (!strcmp(this_opt, "disabled")) /* nodisabled does not exist */
2364                         disabled = 1;
2365                 else if (!strcmp(this_opt, "enabled"))  /* noenabled does not exist */
2366                         disabled = 0;
2367                 else if (!strcmp(this_opt, "sgram"))    /* nosgram == sdram */
2368                         sgram = 1;
2369                 else if (!strcmp(this_opt, "sdram"))
2370                         sgram = 0;
2371                 else if (!strncmp(this_opt, "memtype:", 8))
2372                         memtype = simple_strtoul(this_opt+8, NULL, 0);
2373                 else {
2374                         int value = 1;
2375
2376                         if (!strncmp(this_opt, "no", 2)) {
2377                                 value = 0;
2378                                 this_opt += 2;
2379                         }
2380                         if (! strcmp(this_opt, "inverse"))
2381                                 inverse = value;
2382                         else if (!strcmp(this_opt, "accel"))
2383                                 noaccel = !value;
2384                         else if (!strcmp(this_opt, "pan"))
2385                                 nopan = !value;
2386                         else if (!strcmp(this_opt, "pciretry"))
2387                                 no_pci_retry = !value;
2388                         else if (!strcmp(this_opt, "vga"))
2389                                 novga = !value;
2390                         else if (!strcmp(this_opt, "bios"))
2391                                 nobios = !value;
2392                         else if (!strcmp(this_opt, "init"))
2393                                 noinit = !value;
2394 #ifdef CONFIG_MTRR
2395                         else if (!strcmp(this_opt, "mtrr"))
2396                                 mtrr = value;
2397 #endif
2398                         else if (!strcmp(this_opt, "inv24"))
2399                                 inv24 = value;
2400                         else if (!strcmp(this_opt, "cross4MB"))
2401                                 cross4MB = value;
2402                         else if (!strcmp(this_opt, "grayscale"))
2403                                 grayscale = value;
2404                         else if (!strcmp(this_opt, "dfp"))
2405                                 dfp = value;
2406                         else {
2407                                 strlcpy(videomode, this_opt, sizeof(videomode));
2408                         }
2409                 }
2410         }
2411         return 0;
2412 }
2413
2414 static int __initdata initialized = 0;
2415
2416 int __init matroxfb_init(void)
2417 {
2418         DBG(__FUNCTION__)
2419
2420         if (disabled)
2421                 return -ENXIO;
2422         if (!initialized) {
2423                 initialized = 1;
2424                 matrox_init();
2425         }
2426         hotplug = 1;
2427         /* never return failure, user can hotplug matrox later... */
2428         return 0;
2429 }
2430
2431 #else
2432
2433 /* *************************** init module code **************************** */
2434
2435 MODULE_AUTHOR("(c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>");
2436 MODULE_DESCRIPTION("Accelerated FBDev driver for Matrox Millennium/Mystique/G100/G200/G400/G450/G550");
2437 MODULE_LICENSE("GPL");
2438
2439 MODULE_PARM(mem, "i");
2440 MODULE_PARM_DESC(mem, "Size of available memory in MB, KB or B (2,4,8,12,16MB, default=autodetect)");
2441 MODULE_PARM(disabled, "i");
2442 MODULE_PARM_DESC(disabled, "Disabled (0 or 1=disabled) (default=0)");
2443 MODULE_PARM(noaccel, "i");
2444 MODULE_PARM_DESC(noaccel, "Do not use accelerating engine (0 or 1=disabled) (default=0)");
2445 MODULE_PARM(nopan, "i");
2446 MODULE_PARM_DESC(nopan, "Disable pan on startup (0 or 1=disabled) (default=0)");
2447 MODULE_PARM(no_pci_retry, "i");
2448 MODULE_PARM_DESC(no_pci_retry, "PCI retries enabled (0 or 1=disabled) (default=0)");
2449 MODULE_PARM(novga, "i");
2450 MODULE_PARM_DESC(novga, "VGA I/O (0x3C0-0x3DF) disabled (0 or 1=disabled) (default=0)");
2451 MODULE_PARM(nobios, "i");
2452 MODULE_PARM_DESC(nobios, "Disables ROM BIOS (0 or 1=disabled) (default=do not change BIOS state)");
2453 MODULE_PARM(noinit, "i");
2454 MODULE_PARM_DESC(noinit, "Disables W/SG/SD-RAM and bus interface initialization (0 or 1=do not initialize) (default=0)");
2455 MODULE_PARM(memtype, "i");
2456 MODULE_PARM_DESC(memtype, "Memory type for G200/G400 (see Documentation/fb/matroxfb.txt for explanation) (default=3 for G200, 0 for G400)");
2457 MODULE_PARM(mtrr, "i");
2458 MODULE_PARM_DESC(mtrr, "This speeds up video memory accesses (0=disabled or 1) (default=1)");
2459 MODULE_PARM(sgram, "i");
2460 MODULE_PARM_DESC(sgram, "Indicates that G100/G200/G400 has SGRAM memory (0=SDRAM, 1=SGRAM) (default=0)");
2461 MODULE_PARM(inv24, "i");
2462 MODULE_PARM_DESC(inv24, "Inverts clock polarity for 24bpp and loop frequency > 100MHz (default=do not invert polarity)");
2463 MODULE_PARM(inverse, "i");
2464 MODULE_PARM_DESC(inverse, "Inverse (0 or 1) (default=0)");
2465 #ifdef CONFIG_FB_MATROX_MULTIHEAD
2466 MODULE_PARM(dev, "i");
2467 MODULE_PARM_DESC(dev, "Multihead support, attach to device ID (0..N) (default=all working)");
2468 #else
2469 MODULE_PARM(dev, "i");
2470 MODULE_PARM_DESC(dev, "Multihead support, attach to device ID (0..N) (default=first working)");
2471 #endif
2472 MODULE_PARM(vesa, "i");
2473 MODULE_PARM_DESC(vesa, "Startup videomode (0x000-0x1FF) (default=0x101)");
2474 MODULE_PARM(xres, "i");
2475 MODULE_PARM_DESC(xres, "Horizontal resolution (px), overrides xres from vesa (default=vesa)");
2476 MODULE_PARM(yres, "i");
2477 MODULE_PARM_DESC(yres, "Vertical resolution (scans), overrides yres from vesa (default=vesa)");
2478 MODULE_PARM(upper, "i");
2479 MODULE_PARM_DESC(upper, "Upper blank space (scans), overrides upper from vesa (default=vesa)");
2480 MODULE_PARM(lower, "i");
2481 MODULE_PARM_DESC(lower, "Lower blank space (scans), overrides lower from vesa (default=vesa)");
2482 MODULE_PARM(vslen, "i");
2483 MODULE_PARM_DESC(vslen, "Vertical sync length (scans), overrides lower from vesa (default=vesa)");
2484 MODULE_PARM(left, "i");
2485 MODULE_PARM_DESC(left, "Left blank space (px), overrides left from vesa (default=vesa)");
2486 MODULE_PARM(right, "i");
2487 MODULE_PARM_DESC(right, "Right blank space (px), overrides right from vesa (default=vesa)");
2488 MODULE_PARM(hslen, "i");
2489 MODULE_PARM_DESC(hslen, "Horizontal sync length (px), overrides hslen from vesa (default=vesa)");
2490 MODULE_PARM(pixclock, "i");
2491 MODULE_PARM_DESC(pixclock, "Pixelclock (ns), overrides pixclock from vesa (default=vesa)");
2492 MODULE_PARM(sync, "i");
2493 MODULE_PARM_DESC(sync, "Sync polarity, overrides sync from vesa (default=vesa)");
2494 MODULE_PARM(depth, "i");
2495 MODULE_PARM_DESC(depth, "Color depth (0=text,8,15,16,24,32) (default=vesa)");
2496 MODULE_PARM(maxclk, "i");
2497 MODULE_PARM_DESC(maxclk, "Startup maximal clock, 0-999MHz, 1000-999999kHz, 1000000-INF Hz");
2498 MODULE_PARM(fh, "i");
2499 MODULE_PARM_DESC(fh, "Startup horizontal frequency, 0-999kHz, 1000-INF Hz");
2500 MODULE_PARM(fv, "i");
2501 MODULE_PARM_DESC(fv, "Startup vertical frequency, 0-INF Hz\n"
2502 "You should specify \"fv:max_monitor_vsync,fh:max_monitor_hsync,maxclk:max_monitor_dotclock\"\n");
2503 MODULE_PARM(grayscale, "i");
2504 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)");
2505 MODULE_PARM(cross4MB, "i");
2506 MODULE_PARM_DESC(cross4MB, "Specifies that 4MB boundary can be in middle of line. (default=autodetected)");
2507 MODULE_PARM(dfp, "i");
2508 MODULE_PARM_DESC(dfp, "Specifies whether to use digital flat panel interface of G200/G400 (0 or 1) (default=0)");
2509 MODULE_PARM(dfp_type, "i");
2510 MODULE_PARM_DESC(dfp_type, "Specifies DFP interface type (0 to 255) (default=read from hardware)");
2511 MODULE_PARM(outputs, "c8");
2512 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)");
2513 #ifdef CONFIG_PPC_PMAC
2514 MODULE_PARM(vmode, "i");
2515 MODULE_PARM_DESC(vmode, "Specify the vmode mode number that should be used (640x480 default)");
2516 MODULE_PARM(cmode, "i");
2517 MODULE_PARM_DESC(cmode, "Specify the video depth that should be used (8bit default)");
2518 #endif
2519
2520 int __init init_module(void){
2521
2522         DBG(__FUNCTION__)
2523
2524         if (disabled)
2525                 return -ENXIO;
2526
2527         if (depth == 0)
2528                 depth = RSText;
2529         else if (depth == 4)
2530                 depth = RS4bpp;
2531         else if (depth == 8)
2532                 depth = RS8bpp;
2533         else if (depth == 15)
2534                 depth = RS15bpp;
2535         else if (depth == 16)
2536                 depth = RS16bpp;
2537         else if (depth == 24)
2538                 depth = RS24bpp;
2539         else if (depth == 32)
2540                 depth = RS32bpp;
2541         else if (depth != -1) {
2542                 printk(KERN_ERR "matroxfb: depth %d is not supported, using default\n", depth);
2543                 depth = -1;
2544         }
2545         matrox_init();
2546         /* never return failure; user can hotplug matrox later... */
2547         return 0;
2548 }
2549 #endif  /* MODULE */
2550
2551 module_exit(matrox_done);
2552 EXPORT_SYMBOL(matroxfb_register_driver);
2553 EXPORT_SYMBOL(matroxfb_unregister_driver);
2554 EXPORT_SYMBOL(matroxfb_wait_for_sync);
2555 EXPORT_SYMBOL(matroxfb_enable_irq);
2556
2557 /*
2558  * Overrides for Emacs so that we follow Linus's tabbing style.
2559  * ---------------------------------------------------------------------------
2560  * Local variables:
2561  * c-basic-offset: 8
2562  * End:
2563  */
2564