drivers/video/matrox/matroxfb_base.c

   1 /*
   2  *
   3  * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200 and G400
   4  *
   5  * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>
   6  *
   7  * Portions Copyright (c) 2001 Matrox Graphics Inc.
   8  *
   9  * Version: 1.65 2002/08/14
  10  *
  11  * MTRR stuff: 1998 Tom Rini <trini@kernel.crashing.org>
  12  *
  13  * Contributors: "menion?" <menion@mindless.com>
  14  *                     Betatesting, fixes, ideas
  15  *
  16  *               "Kurt Garloff" <garloff@suse.de>
  17  *                     Betatesting, fixes, ideas, videomodes, videomodes timmings
  18  *
  19  *               "Tom Rini" <trini@kernel.crashing.org>
  20  *                     MTRR stuff, PPC cleanups, betatesting, fixes, ideas
  21  *
  22  *               "Bibek Sahu" <scorpio@dodds.net>
  23  *                     Access device through readb|w|l and write b|w|l
  24  *                     Extensive debugging stuff
  25  *
  26  *               "Daniel Haun" <haund@usa.net>
  27  *                     Testing, hardware cursor fixes
  28  *
  29  *               "Scott Wood" <sawst46+@pitt.edu>
  30  *                     Fixes
  31  *
  32  *               "Gerd Knorr" <kraxel@goldbach.isdn.cs.tu-berlin.de>
  33  *                     Betatesting
  34  *
  35  *               "Kelly French" <targon@hazmat.com>
  36  *               "Fernando Herrera" <fherrera@eurielec.etsit.upm.es>
  37  *                     Betatesting, bug reporting
  38  *
  39  *               "Pablo Bianucci" <pbian@pccp.com.ar>
  40  *                     Fixes, ideas, betatesting
  41  *
  42  *               "Inaky Perez Gonzalez" <inaky@peloncho.fis.ucm.es>
  43  *                     Fixes, enhandcements, ideas, betatesting
  44  *
  45  *               "Ryuichi Oikawa" <roikawa@rr.iiij4u.or.jp>
  46  *                     PPC betatesting, PPC support, backward compatibility
  47  *
  48  *               "Paul Womar" <Paul@pwomar.demon.co.uk>
  49  *               "Owen Waller" <O.Waller@ee.qub.ac.uk>
  50  *                     PPC betatesting
  51  *
  52  *               "Thomas Pornin" <pornin@bolet.ens.fr>
  53  *                     Alpha betatesting
  54  *
  55  *               "Pieter van Leuven" <pvl@iae.nl>
  56  *               "Ulf Jaenicke-Roessler" <ujr@physik.phy.tu-dresden.de>
  57  *                     G100 testing
  58  *
  59  *               "H. Peter Arvin" <hpa@transmeta.com>
  60  *                     Ideas
  61  *
  62  *               "Cort Dougan" <cort@cs.nmt.edu>
  63  *                     CHRP fixes and PReP cleanup
  64  *
  65  *               "Mark Vojkovich" <mvojkovi@ucsd.edu>
  66  *                     G400 support
  67  *
  68  *               "Samuel Hocevar" <sam@via.ecp.fr>
  69  *                     Fixes
  70  *
  71  *               "Anton Altaparmakov" <AntonA@bigfoot.com>
  72  *                     G400 MAX/non-MAX distinction
  73  *
  74  *               "Ken Aaker" <kdaaker@rchland.vnet.ibm.com>
  75  *                     memtype extension (needed for GXT130P RS/6000 adapter)
  76  *
  77  *               "Uns Lider" <unslider@miranda.org>
  78  *                     G100 PLNWT fixes
  79  *
  80  *               "Denis Zaitsev" <zzz@cd-club.ru>
  81  *                     Fixes
  82  *
  83  *               "Mike Pieper" <mike@pieper-family.de>
  84  *                     TVOut enhandcements, V4L2 control interface.
  85  *
  86  *               "Diego Biurrun" <diego@biurrun.de>
  87  *                     DFP testing
  88  *
  89  * (following author is not in any relation with this code, but his code
  90  *  is included in this driver)
  91  *
  92  * Based on framebuffer driver for VBE 2.0 compliant graphic boards
  93  *     (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de>
  94  *
  95  * (following author is not in any relation with this code, but his ideas
  96  *  were used when writing this driver)
  97  *
  98  *               FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk>
  99  *
 100  */
 101
 102 #include <linux/version.h>
 103
 104 #define __OLD_VIDIOC_
 105
 106 #include "matroxfb_base.h"
 107 #include "matroxfb_misc.h"
 108 #include "matroxfb_accel.h"
 109 #include "matroxfb_DAC1064.h"
 110 #include "matroxfb_Ti3026.h"
 111 #include "matroxfb_maven.h"
 112 #include "matroxfb_crtc2.h"
 113 #include "matroxfb_g450.h"
 114 #include <linux/matroxfb.h>
 115 #include <linux/interrupt.h>
 116 #include <linux/slab.h>
 117 #include <linux/uaccess.h>
 118
 119 #ifdef CONFIG_PPC_PMAC
 120 #include <asm/machdep.h>
 121 unsigned char nvram_read_byte(int);
 122 static int default_vmode = VMODE_NVRAM;
 123 static int default_cmode = CMODE_NVRAM;
 124 #endif
 125
 126 static void matroxfb_unregister_device(struct matrox_fb_info* minfo);
 127
 128 /* --------------------------------------------------------------------- */
 129
 130 /*
 131  * card parameters
 132  */
 133
 134 /* --------------------------------------------------------------------- */
 135
 136 static struct fb_var_screeninfo vesafb_defined = {
 137         640,480,640,480,/* W,H, W, H (virtual) load xres,xres_virtual*/
 138         0,0,            /* virtual -> visible no offset */
 139         8,              /* depth -> load bits_per_pixel */
 140         0,              /* greyscale ? */
 141         {0,0,0},        /* R */
 142         {0,0,0},        /* G */
 143         {0,0,0},        /* B */
 144         {0,0,0},        /* transparency */
 145         0,              /* standard pixel format */
 146         FB_ACTIVATE_NOW,
 147         -1,-1,
 148         FB_ACCELF_TEXT, /* accel flags */
 149         39721L,48L,16L,33L,10L,
 150         96L,2L,~0,      /* No sync info */
 151         FB_VMODE_NONINTERLACED,
 152         0, {0,0,0,0,0}
 153 };
 154
 155
 156
 157 /* --------------------------------------------------------------------- */
 158 static void update_crtc2(struct matrox_fb_info *minfo, unsigned int pos)
 159 {
 160         struct matroxfb_dh_fb_info *info = minfo->crtc2.info;
 161
 162         /* Make sure that displays are compatible */
 163         if (info && (info->fbcon.var.bits_per_pixel == minfo->fbcon.var.bits_per_pixel)
 164                  && (info->fbcon.var.xres_virtual == minfo->fbcon.var.xres_virtual)
 165                  && (info->fbcon.var.green.length == minfo->fbcon.var.green.length)
 166                  ) {
 167                 switch (minfo->fbcon.var.bits_per_pixel) {
 168                         case 16:
 169                         case 32:
 170                                 pos = pos * 8;
 171                                 if (info->interlaced) {
 172                                         mga_outl(0x3C2C, pos);
 173                                         mga_outl(0x3C28, pos + minfo->fbcon.var.xres_virtual * minfo->fbcon.var.bits_per_pixel / 8);
 174                                 } else {
 175                                         mga_outl(0x3C28, pos);
 176                                 }
 177                                 break;
 178                 }
 179         }
 180 }
 181
 182 static void matroxfb_crtc1_panpos(struct matrox_fb_info *minfo)
 183 {
 184         if (minfo->crtc1.panpos >= 0) {
 185                 unsigned long flags;
 186                 int panpos;
 187
 188                 matroxfb_DAC_lock_irqsave(flags);
 189                 panpos = minfo->crtc1.panpos;
 190                 if (panpos >= 0) {
 191                         unsigned int extvga_reg;
 192
 193                         minfo->crtc1.panpos = -1; /* No update pending anymore */
 194                         extvga_reg = mga_inb(M_EXTVGA_INDEX);
 195                         mga_setr(M_EXTVGA_INDEX, 0x00, panpos);
 196                         if (extvga_reg != 0x00) {
 197                                 mga_outb(M_EXTVGA_INDEX, extvga_reg);
 198                         }
 199                 }
 200                 matroxfb_DAC_unlock_irqrestore(flags);
 201         }
 202 }
 203
 204 static irqreturn_t matrox_irq(int irq, void *dev_id)
 205 {
 206         u_int32_t status;
 207         int handled = 0;
 208         struct matrox_fb_info *minfo = dev_id;
 209
 210         status = mga_inl(M_STATUS);
 211
 212         if (status & 0x20) {
 213                 mga_outl(M_ICLEAR, 0x20);
 214                 minfo->crtc1.vsync.cnt++;
 215                 matroxfb_crtc1_panpos(minfo);
 216                 wake_up_interruptible(&minfo->crtc1.vsync.wait);
 217                 handled = 1;
 218         }
 219         if (status & 0x200) {
 220                 mga_outl(M_ICLEAR, 0x200);
 221                 minfo->crtc2.vsync.cnt++;
 222                 wake_up_interruptible(&minfo->crtc2.vsync.wait);
 223                 handled = 1;
 224         }
 225         return IRQ_RETVAL(handled);
 226 }
 227
 228 int matroxfb_enable_irq(struct matrox_fb_info *minfo, int reenable)
 229 {
 230         u_int32_t bm;
 231
 232         if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400)
 233                 bm = 0x220;
 234         else
 235                 bm = 0x020;
 236
 237         if (!test_and_set_bit(0, &minfo->irq_flags)) {
 238                 if (request_irq(minfo->pcidev->irq, matrox_irq,
 239                                 IRQF_SHARED, "matroxfb", minfo)) {
 240                         clear_bit(0, &minfo->irq_flags);
 241                         return -EINVAL;
 242                 }
 243                 /* Clear any pending field interrupts */
 244                 mga_outl(M_ICLEAR, bm);
 245                 mga_outl(M_IEN, mga_inl(M_IEN) | bm);
 246         } else if (reenable) {
 247                 u_int32_t ien;
 248
 249                 ien = mga_inl(M_IEN);
 250                 if ((ien & bm) != bm) {
 251                         printk(KERN_DEBUG "matroxfb: someone disabled IRQ [%08X]\n", ien);
 252                         mga_outl(M_IEN, ien | bm);
 253                 }
 254         }
 255         return 0;
 256 }
 257
 258 static void matroxfb_disable_irq(struct matrox_fb_info *minfo)
 259 {
 260         if (test_and_clear_bit(0, &minfo->irq_flags)) {
 261                 /* Flush pending pan-at-vbl request... */
 262                 matroxfb_crtc1_panpos(minfo);
 263                 if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400)
 264                         mga_outl(M_IEN, mga_inl(M_IEN) & ~0x220);
 265                 else
 266                         mga_outl(M_IEN, mga_inl(M_IEN) & ~0x20);
 267                 free_irq(minfo->pcidev->irq, minfo);
 268         }
 269 }
 270
 271 int matroxfb_wait_for_sync(struct matrox_fb_info *minfo, u_int32_t crtc)
 272 {
 273         struct matrox_vsync *vs;
 274         unsigned int cnt;
 275         int ret;
 276
 277         switch (crtc) {
 278                 case 0:
 279                         vs = &minfo->crtc1.vsync;
 280                         break;
 281                 case 1:
 282                         if (minfo->devflags.accelerator != FB_ACCEL_MATROX_MGAG400) {
 283                                 return -ENODEV;
 284                         }
 285                         vs = &minfo->crtc2.vsync;
 286                         break;
 287                 default:
 288                         return -ENODEV;
 289         }
 290         ret = matroxfb_enable_irq(minfo, 0);
 291         if (ret) {
 292                 return ret;
 293         }
 294
 295         cnt = vs->cnt;
 296         ret = wait_event_interruptible_timeout(vs->wait, cnt != vs->cnt, HZ/10);
 297         if (ret < 0) {
 298                 return ret;
 299         }
 300         if (ret == 0) {
 301                 matroxfb_enable_irq(minfo, 1);
 302                 return -ETIMEDOUT;
 303         }
 304         return 0;
 305 }
 306
 307 /* --------------------------------------------------------------------- */
 308
 309 static void matrox_pan_var(struct matrox_fb_info *minfo,
 310                            struct fb_var_screeninfo *var)
 311 {
 312         unsigned int pos;
 313         unsigned short p0, p1, p2;
 314         unsigned int p3;
 315         int vbl;
 316         unsigned long flags;
 317
 318         CRITFLAGS
 319
 320         DBG(__func__)
 321
 322         if (minfo->dead)
 323                 return;
 324
 325         minfo->fbcon.var.xoffset = var->xoffset;
 326         minfo->fbcon.var.yoffset = var->yoffset;
 327         pos = (minfo->fbcon.var.yoffset * minfo->fbcon.var.xres_virtual + minfo->fbcon.var.xoffset) * minfo->curr.final_bppShift / 32;
 328         pos += minfo->curr.ydstorg.chunks;
 329         p0 = minfo->hw.CRTC[0x0D] = pos & 0xFF;
 330         p1 = minfo->hw.CRTC[0x0C] = (pos & 0xFF00) >> 8;
 331         p2 = minfo->hw.CRTCEXT[0] = (minfo->hw.CRTCEXT[0] & 0xB0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
 332         p3 = minfo->hw.CRTCEXT[8] = pos >> 21;
 333
 334         /* FB_ACTIVATE_VBL and we can acquire interrupts? Honor FB_ACTIVATE_VBL then... */
 335         vbl = (var->activate & FB_ACTIVATE_VBL) && (matroxfb_enable_irq(minfo, 0) == 0);
 336
 337         CRITBEGIN
 338
 339         matroxfb_DAC_lock_irqsave(flags);
 340         mga_setr(M_CRTC_INDEX, 0x0D, p0);
 341         mga_setr(M_CRTC_INDEX, 0x0C, p1);
 342         if (minfo->devflags.support32MB)
 343                 mga_setr(M_EXTVGA_INDEX, 0x08, p3);
 344         if (vbl) {
 345                 minfo->crtc1.panpos = p2;
 346         } else {
 347                 /* Abort any pending change */
 348                 minfo->crtc1.panpos = -1;
 349                 mga_setr(M_EXTVGA_INDEX, 0x00, p2);
 350         }
 351         matroxfb_DAC_unlock_irqrestore(flags);
 352
 353         update_crtc2(minfo, pos);
 354
 355         CRITEND
 356 }
 357
 358 static void matroxfb_remove(struct matrox_fb_info *minfo, int dummy)
 359 {
 360         /* Currently we are holding big kernel lock on all dead & usecount updates.
 361          * Destroy everything after all users release it. Especially do not unregister
 362          * framebuffer and iounmap memory, neither fbmem nor fbcon-cfb* does not check
 363          * for device unplugged when in use.
 364          * In future we should point mmio.vbase & video.vbase somewhere where we can
 365          * write data without causing too much damage...
 366          */
 367
 368         minfo->dead = 1;
 369         if (minfo->usecount) {
 370                 /* destroy it later */
 371                 return;
 372         }
 373         matroxfb_unregister_device(minfo);
 374         unregister_framebuffer(&minfo->fbcon);
 375         matroxfb_g450_shutdown(minfo);
 376 #ifdef CONFIG_MTRR
 377         if (minfo->mtrr.vram_valid)
 378                 mtrr_del(minfo->mtrr.vram, minfo->video.base, minfo->video.len);
 379 #endif
 380         mga_iounmap(minfo->mmio.vbase);
 381         mga_iounmap(minfo->video.vbase);
 382         release_mem_region(minfo->video.base, minfo->video.len_maximum);
 383         release_mem_region(minfo->mmio.base, 16384);
 384         kfree(minfo);
 385 }
 386
 387         /*
 388          * Open/Release the frame buffer device
 389          */
 390
 391 static int matroxfb_open(struct fb_info *info, int user)
 392 {
 393         struct matrox_fb_info *minfo = info2minfo(info);
 394
 395         DBG_LOOP(__func__)
 396
 397         if (minfo->dead) {
 398                 return -ENXIO;
 399         }
 400         minfo->usecount++;
 401         if (user) {
 402                 minfo->userusecount++;
 403         }
 404         return(0);
 405 }
 406
 407 static int matroxfb_release(struct fb_info *info, int user)
 408 {
 409         struct matrox_fb_info *minfo = info2minfo(info);
 410
 411         DBG_LOOP(__func__)
 412
 413         if (user) {
 414                 if (0 == --minfo->userusecount) {
 415                         matroxfb_disable_irq(minfo);
 416                 }
 417         }
 418         if (!(--minfo->usecount) && minfo->dead) {
 419                 matroxfb_remove(minfo, 0);
 420         }
 421         return(0);
 422 }
 423
 424 static int matroxfb_pan_display(struct fb_var_screeninfo *var,
 425                 struct fb_info* info) {
 426         struct matrox_fb_info *minfo = info2minfo(info);
 427
 428         DBG(__func__)
 429
 430         matrox_pan_var(minfo, var);
 431         return 0;
 432 }
 433
 434 static int matroxfb_get_final_bppShift(const struct matrox_fb_info *minfo,
 435                                        int bpp)
 436 {
 437         int bppshft2;
 438
 439         DBG(__func__)
 440
 441         bppshft2 = bpp;
 442         if (!bppshft2) {
 443                 return 8;
 444         }
 445         if (isInterleave(minfo))
 446                 bppshft2 >>= 1;
 447         if (minfo->devflags.video64bits)
 448                 bppshft2 >>= 1;
 449         return bppshft2;
 450 }
 451
 452 static int matroxfb_test_and_set_rounding(const struct matrox_fb_info *minfo,
 453                                           int xres, int bpp)
 454 {
 455         int over;
 456         int rounding;
 457
 458         DBG(__func__)
 459
 460         switch (bpp) {
 461                 case 0:         return xres;
 462                 case 4:         rounding = 128;
 463                                 break;
 464                 case 8:         rounding = 64;  /* doc says 64; 32 is OK for G400 */
 465                                 break;
 466                 case 16:        rounding = 32;
 467                                 break;
 468                 case 24:        rounding = 64;  /* doc says 64; 32 is OK for G400 */
 469                                 break;
 470                 default:        rounding = 16;
 471                                 /* on G400, 16 really does not work */
 472                                 if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400)
 473                                         rounding = 32;
 474                                 break;
 475         }
 476         if (isInterleave(minfo)) {
 477                 rounding *= 2;
 478         }
 479         over = xres % rounding;
 480         if (over)
 481                 xres += rounding-over;
 482         return xres;
 483 }
 484
 485 static int matroxfb_pitch_adjust(const struct matrox_fb_info *minfo, int xres,
 486                                  int bpp)
 487 {
 488         const int* width;
 489         int xres_new;
 490
 491         DBG(__func__)
 492
 493         if (!bpp) return xres;
 494
 495         width = minfo->capable.vxres;
 496
 497         if (minfo->devflags.precise_width) {
 498                 while (*width) {
 499                         if ((*width >= xres) && (matroxfb_test_and_set_rounding(minfo, *width, bpp) == *width)) {
 500                                 break;
 501                         }
 502                         width++;
 503                 }
 504                 xres_new = *width;
 505         } else {
 506                 xres_new = matroxfb_test_and_set_rounding(minfo, xres, bpp);
 507         }
 508         return xres_new;
 509 }
 510
 511 static int matroxfb_get_cmap_len(struct fb_var_screeninfo *var) {
 512
 513         DBG(__func__)
 514
 515         switch (var->bits_per_pixel) {
 516                 case 4:
 517                         return 16;      /* pseudocolor... 16 entries HW palette */
 518                 case 8:
 519                         return 256;     /* pseudocolor... 256 entries HW palette */
 520                 case 16:
 521                         return 16;      /* directcolor... 16 entries SW palette */
 522                                         /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 523                 case 24:
 524                         return 16;      /* directcolor... 16 entries SW palette */
 525                                         /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 526                 case 32:
 527                         return 16;      /* directcolor... 16 entries SW palette */
 528                                         /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 529         }
 530         return 16;      /* return something reasonable... or panic()? */
 531 }
 532
 533 static int matroxfb_decode_var(const struct matrox_fb_info *minfo,
 534                                struct fb_var_screeninfo *var, int *visual,
 535                                int *video_cmap_len, unsigned int* ydstorg)
 536 {
 537         struct RGBT {
 538                 unsigned char bpp;
 539                 struct {
 540                         unsigned char offset,
 541                                       length;
 542                 } red,
 543                   green,
 544                   blue,
 545                   transp;
 546                 signed char visual;
 547         };
 548         static const struct RGBT table[]= {
 549                 { 8,{ 0,8},{0,8},{0,8},{ 0,0},MX_VISUAL_PSEUDOCOLOR},
 550                 {15,{10,5},{5,5},{0,5},{15,1},MX_VISUAL_DIRECTCOLOR},
 551                 {16,{11,5},{5,6},{0,5},{ 0,0},MX_VISUAL_DIRECTCOLOR},
 552                 {24,{16,8},{8,8},{0,8},{ 0,0},MX_VISUAL_DIRECTCOLOR},
 553                 {32,{16,8},{8,8},{0,8},{24,8},MX_VISUAL_DIRECTCOLOR}
 554         };
 555         struct RGBT const *rgbt;
 556         unsigned int bpp = var->bits_per_pixel;
 557         unsigned int vramlen;
 558         unsigned int memlen;
 559
 560         DBG(__func__)
 561
 562         switch (bpp) {
 563                 case 4:  if (!minfo->capable.cfb4) return -EINVAL;
 564                          break;
 565                 case 8:  break;
 566                 case 16: break;
 567                 case 24: break;
 568                 case 32: break;
 569                 default: return -EINVAL;
 570         }
 571         *ydstorg = 0;
 572         vramlen = minfo->video.len_usable;
 573         if (var->yres_virtual < var->yres)
 574                 var->yres_virtual = var->yres;
 575         if (var->xres_virtual < var->xres)
 576                 var->xres_virtual = var->xres;
 577
 578         var->xres_virtual = matroxfb_pitch_adjust(minfo, var->xres_virtual, bpp);
 579         memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
 580         if (memlen > vramlen) {
 581                 var->yres_virtual = vramlen * 8 / (var->xres_virtual * bpp);
 582                 memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
 583         }
 584         /* There is hardware bug that no line can cross 4MB boundary */
 585         /* give up for CFB24, it is impossible to easy workaround it */
 586         /* for other try to do something */
 587         if (!minfo->capable.cross4MB && (memlen > 0x400000)) {
 588                 if (bpp == 24) {
 589                         /* sorry */
 590                 } else {
 591                         unsigned int linelen;
 592                         unsigned int m1 = linelen = var->xres_virtual * bpp / 8;
 593                         unsigned int m2 = PAGE_SIZE;    /* or 128 if you do not need PAGE ALIGNED address */
 594                         unsigned int max_yres;
 595
 596                         while (m1) {
 597                                 int t;
 598
 599                                 while (m2 >= m1) m2 -= m1;
 600                                 t = m1;
 601                                 m1 = m2;
 602                                 m2 = t;
 603                         }
 604                         m2 = linelen * PAGE_SIZE / m2;
 605                         *ydstorg = m2 = 0x400000 % m2;
 606                         max_yres = (vramlen - m2) / linelen;
 607                         if (var->yres_virtual > max_yres)
 608                                 var->yres_virtual = max_yres;
 609                 }
 610         }
 611         /* YDSTLEN contains only signed 16bit value */
 612         if (var->yres_virtual > 32767)
 613                 var->yres_virtual = 32767;
 614         /* we must round yres/xres down, we already rounded y/xres_virtual up
 615            if it was possible. We should return -EINVAL, but I disagree */
 616         if (var->yres_virtual < var->yres)
 617                 var->yres = var->yres_virtual;
 618         if (var->xres_virtual < var->xres)
 619                 var->xres = var->xres_virtual;
 620         if (var->xoffset + var->xres > var->xres_virtual)
 621                 var->xoffset = var->xres_virtual - var->xres;
 622         if (var->yoffset + var->yres > var->yres_virtual)
 623                 var->yoffset = var->yres_virtual - var->yres;
 624
 625         if (bpp == 16 && var->green.length == 5) {
 626                 bpp--; /* an artifical value - 15 */
 627         }
 628
 629         for (rgbt = table; rgbt->bpp < bpp; rgbt++);
 630 #define SETCLR(clr)\
 631         var->clr.offset = rgbt->clr.offset;\
 632         var->clr.length = rgbt->clr.length
 633         SETCLR(red);
 634         SETCLR(green);
 635         SETCLR(blue);
 636         SETCLR(transp);
 637 #undef  SETCLR
 638         *visual = rgbt->visual;
 639
 640         if (bpp > 8)
 641                 dprintk("matroxfb: truecolor: "
 642                         "size=%d:%d:%d:%d, shift=%d:%d:%d:%d\n",
 643                         var->transp.length, var->red.length, var->green.length, var->blue.length,
 644                         var->transp.offset, var->red.offset, var->green.offset, var->blue.offset);
 645
 646         *video_cmap_len = matroxfb_get_cmap_len(var);
 647         dprintk(KERN_INFO "requested %d*%d/%dbpp (%d*%d)\n", var->xres, var->yres, var->bits_per_pixel,
 648                                 var->xres_virtual, var->yres_virtual);
 649         return 0;
 650 }
 651
 652 static int matroxfb_setcolreg(unsigned regno, unsigned red, unsigned green,
 653                               unsigned blue, unsigned transp,
 654                               struct fb_info *fb_info)
 655 {
 656         struct matrox_fb_info* minfo = container_of(fb_info, struct matrox_fb_info, fbcon);
 657
 658         DBG(__func__)
 659
 660         /*
 661          *  Set a single color register. The values supplied are
 662          *  already rounded down to the hardware's capabilities
 663          *  (according to the entries in the `var' structure). Return
 664          *  != 0 for invalid regno.
 665          */
 666
 667         if (regno >= minfo->curr.cmap_len)
 668                 return 1;
 669
 670         if (minfo->fbcon.var.grayscale) {
 671                 /* gray = 0.30*R + 0.59*G + 0.11*B */
 672                 red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
 673         }
 674
 675         red = CNVT_TOHW(red, minfo->fbcon.var.red.length);
 676         green = CNVT_TOHW(green, minfo->fbcon.var.green.length);
 677         blue = CNVT_TOHW(blue, minfo->fbcon.var.blue.length);
 678         transp = CNVT_TOHW(transp, minfo->fbcon.var.transp.length);
 679
 680         switch (minfo->fbcon.var.bits_per_pixel) {
 681         case 4:
 682         case 8:
 683                 mga_outb(M_DAC_REG, regno);
 684                 mga_outb(M_DAC_VAL, red);
 685                 mga_outb(M_DAC_VAL, green);
 686                 mga_outb(M_DAC_VAL, blue);
 687                 break;
 688         case 16:
 689                 if (regno >= 16)
 690                         break;
 691                 {
 692                         u_int16_t col =
 693                                 (red << minfo->fbcon.var.red.offset)     |
 694                                 (green << minfo->fbcon.var.green.offset) |
 695                                 (blue << minfo->fbcon.var.blue.offset)   |
 696                                 (transp << minfo->fbcon.var.transp.offset); /* for 1:5:5:5 */
 697                         minfo->cmap[regno] = col | (col << 16);
 698                 }
 699                 break;
 700         case 24:
 701         case 32:
 702                 if (regno >= 16)
 703                         break;
 704                 minfo->cmap[regno] =
 705                         (red   << minfo->fbcon.var.red.offset)   |
 706                         (green << minfo->fbcon.var.green.offset) |
 707                         (blue  << minfo->fbcon.var.blue.offset)  |
 708                         (transp << minfo->fbcon.var.transp.offset);     /* 8:8:8:8 */
 709                 break;
 710         }
 711         return 0;
 712 }
 713
 714 static void matroxfb_init_fix(struct matrox_fb_info *minfo)
 715 {
 716         struct fb_fix_screeninfo *fix = &minfo->fbcon.fix;
 717         DBG(__func__)
 718
 719         strcpy(fix->id,"MATROX");
 720
 721         fix->xpanstep = 8;      /* 8 for 8bpp, 4 for 16bpp, 2 for 32bpp */
 722         fix->ypanstep = 1;
 723         fix->ywrapstep = 0;
 724         fix->mmio_start = minfo->mmio.base;
 725         fix->mmio_len = minfo->mmio.len;
 726         fix->accel = minfo->devflags.accelerator;
 727 }
 728
 729 static void matroxfb_update_fix(struct matrox_fb_info *minfo)
 730 {
 731         struct fb_fix_screeninfo *fix = &minfo->fbcon.fix;
 732         DBG(__func__)
 733
 734         mutex_lock(&minfo->fbcon.mm_lock);
 735         fix->smem_start = minfo->video.base + minfo->curr.ydstorg.bytes;
 736         fix->smem_len = minfo->video.len_usable - minfo->curr.ydstorg.bytes;
 737         mutex_unlock(&minfo->fbcon.mm_lock);
 738 }
 739
 740 static int matroxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 741 {
 742         int err;
 743         int visual;
 744         int cmap_len;
 745         unsigned int ydstorg;
 746         struct matrox_fb_info *minfo = info2minfo(info);
 747
 748         if (minfo->dead) {
 749                 return -ENXIO;
 750         }
 751         if ((err = matroxfb_decode_var(minfo, var, &visual, &cmap_len, &ydstorg)) != 0)
 752                 return err;
 753         return 0;
 754 }
 755
 756 static int matroxfb_set_par(struct fb_info *info)
 757 {
 758         int err;
 759         int visual;
 760         int cmap_len;
 761         unsigned int ydstorg;
 762         struct fb_var_screeninfo *var;
 763         struct matrox_fb_info *minfo = info2minfo(info);
 764
 765         DBG(__func__)
 766
 767         if (minfo->dead) {
 768                 return -ENXIO;
 769         }
 770
 771         var = &info->var;
 772         if ((err = matroxfb_decode_var(minfo, var, &visual, &cmap_len, &ydstorg)) != 0)
 773                 return err;
 774         minfo->fbcon.screen_base = vaddr_va(minfo->video.vbase) + ydstorg;
 775         matroxfb_update_fix(minfo);
 776         minfo->fbcon.fix.visual = visual;
 777         minfo->fbcon.fix.type = FB_TYPE_PACKED_PIXELS;
 778         minfo->fbcon.fix.type_aux = 0;
 779         minfo->fbcon.fix.line_length = (var->xres_virtual * var->bits_per_pixel) >> 3;
 780         {
 781                 unsigned int pos;
 782
 783                 minfo->curr.cmap_len = cmap_len;
 784                 ydstorg += minfo->devflags.ydstorg;
 785                 minfo->curr.ydstorg.bytes = ydstorg;
 786                 minfo->curr.ydstorg.chunks = ydstorg >> (isInterleave(minfo) ? 3 : 2);
 787                 if (var->bits_per_pixel == 4)
 788                         minfo->curr.ydstorg.pixels = ydstorg;
 789                 else
 790                         minfo->curr.ydstorg.pixels = (ydstorg * 8) / var->bits_per_pixel;
 791                 minfo->curr.final_bppShift = matroxfb_get_final_bppShift(minfo, var->bits_per_pixel);
 792                 {       struct my_timming mt;
 793                         struct matrox_hw_state* hw;
 794                         int out;
 795
 796                         matroxfb_var2my(var, &mt);
 797                         mt.crtc = MATROXFB_SRC_CRTC1;
 798                         /* CRTC1 delays */
 799                         switch (var->bits_per_pixel) {
 800                                 case  0:        mt.delay = 31 + 0; break;
 801                                 case 16:        mt.delay = 21 + 8; break;
 802                                 case 24:        mt.delay = 17 + 8; break;
 803                                 case 32:        mt.delay = 16 + 8; break;
 804                                 default:        mt.delay = 31 + 8; break;
 805                         }
 806
 807                         hw = &minfo->hw;
 808
 809                         down_read(&minfo->altout.lock);
 810                         for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 811                                 if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 &&
 812                                     minfo->outputs[out].output->compute) {
 813                                         minfo->outputs[out].output->compute(minfo->outputs[out].data, &mt);
 814                                 }
 815                         }
 816                         up_read(&minfo->altout.lock);
 817                         minfo->crtc1.pixclock = mt.pixclock;
 818                         minfo->crtc1.mnp = mt.mnp;
 819                         minfo->hw_switch->init(minfo, &mt);
 820                         pos = (var->yoffset * var->xres_virtual + var->xoffset) * minfo->curr.final_bppShift / 32;
 821                         pos += minfo->curr.ydstorg.chunks;
 822
 823                         hw->CRTC[0x0D] = pos & 0xFF;
 824                         hw->CRTC[0x0C] = (pos & 0xFF00) >> 8;
 825                         hw->CRTCEXT[0] = (hw->CRTCEXT[0] & 0xF0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
 826                         hw->CRTCEXT[8] = pos >> 21;
 827                         minfo->hw_switch->restore(minfo);
 828                         update_crtc2(minfo, pos);
 829                         down_read(&minfo->altout.lock);
 830                         for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 831                                 if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 &&
 832                                     minfo->outputs[out].output->program) {
 833                                         minfo->outputs[out].output->program(minfo->outputs[out].data);
 834                                 }
 835                         }
 836                         for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 837                                 if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 &&
 838                                     minfo->outputs[out].output->start) {
 839                                         minfo->outputs[out].output->start(minfo->outputs[out].data);
 840                                 }
 841                         }
 842                         up_read(&minfo->altout.lock);
 843                         matrox_cfbX_init(minfo);
 844                 }
 845         }
 846         minfo->initialized = 1;
 847         return 0;
 848 }
 849
 850 static int matroxfb_get_vblank(struct matrox_fb_info *minfo,
 851                                struct fb_vblank *vblank)
 852 {
 853         unsigned int sts1;
 854
 855         matroxfb_enable_irq(minfo, 0);
 856         memset(vblank, 0, sizeof(*vblank));
 857         vblank->flags = FB_VBLANK_HAVE_VCOUNT | FB_VBLANK_HAVE_VSYNC |
 858                         FB_VBLANK_HAVE_VBLANK | FB_VBLANK_HAVE_HBLANK;
 859         sts1 = mga_inb(M_INSTS1);
 860         vblank->vcount = mga_inl(M_VCOUNT);
 861         /* BTW, on my PIII/450 with G400, reading M_INSTS1
 862            byte makes this call about 12% slower (1.70 vs. 2.05 us
 863            per ioctl()) */
 864         if (sts1 & 1)
 865                 vblank->flags |= FB_VBLANK_HBLANKING;
 866         if (sts1 & 8)
 867                 vblank->flags |= FB_VBLANK_VSYNCING;
 868         if (vblank->vcount >= minfo->fbcon.var.yres)
 869                 vblank->flags |= FB_VBLANK_VBLANKING;
 870         if (test_bit(0, &minfo->irq_flags)) {
 871                 vblank->flags |= FB_VBLANK_HAVE_COUNT;
 872                 /* Only one writer, aligned int value...
 873                    it should work without lock and without atomic_t */
 874                 vblank->count = minfo->crtc1.vsync.cnt;
 875         }
 876         return 0;
 877 }
 878
 879 static struct matrox_altout panellink_output = {
 880         .name    = "Panellink output",
 881 };
 882
 883 static int matroxfb_ioctl(struct fb_info *info,
 884                           unsigned int cmd, unsigned long arg)
 885 {
 886         void __user *argp = (void __user *)arg;
 887         struct matrox_fb_info *minfo = info2minfo(info);
 888
 889         DBG(__func__)
 890
 891         if (minfo->dead) {
 892                 return -ENXIO;
 893         }
 894
 895         switch (cmd) {
 896                 case FBIOGET_VBLANK:
 897                         {
 898                                 struct fb_vblank vblank;
 899                                 int err;
 900
 901                                 err = matroxfb_get_vblank(minfo, &vblank);
 902                                 if (err)
 903                                         return err;
 904                                 if (copy_to_user(argp, &vblank, sizeof(vblank)))
 905                                         return -EFAULT;
 906                                 return 0;
 907                         }
 908                 case FBIO_WAITFORVSYNC:
 909                         {
 910                                 u_int32_t crt;
 911
 912                                 if (get_user(crt, (u_int32_t __user *)arg))
 913                                         return -EFAULT;
 914
 915                                 return matroxfb_wait_for_sync(minfo, crt);
 916                         }
 917                 case MATROXFB_SET_OUTPUT_MODE:
 918                         {
 919                                 struct matroxioc_output_mode mom;
 920                                 struct matrox_altout *oproc;
 921                                 int val;
 922
 923                                 if (copy_from_user(&mom, argp, sizeof(mom)))
 924                                         return -EFAULT;
 925                                 if (mom.output >= MATROXFB_MAX_OUTPUTS)
 926                                         return -ENXIO;
 927                                 down_read(&minfo->altout.lock);
 928                                 oproc = minfo->outputs[mom.output].output;
 929                                 if (!oproc) {
 930                                         val = -ENXIO;
 931                                 } else if (!oproc->verifymode) {
 932                                         if (mom.mode == MATROXFB_OUTPUT_MODE_MONITOR) {
 933                                                 val = 0;
 934                                         } else {
 935                                                 val = -EINVAL;
 936                                         }
 937                                 } else {
 938                                         val = oproc->verifymode(minfo->outputs[mom.output].data, mom.mode);
 939                                 }
 940                                 if (!val) {
 941                                         if (minfo->outputs[mom.output].mode != mom.mode) {
 942                                                 minfo->outputs[mom.output].mode = mom.mode;
 943                                                 val = 1;
 944                                         }
 945                                 }
 946                                 up_read(&minfo->altout.lock);
 947                                 if (val != 1)
 948                                         return val;
 949                                 switch (minfo->outputs[mom.output].src) {
 950                                         case MATROXFB_SRC_CRTC1:
 951                                                 matroxfb_set_par(info);
 952                                                 break;
 953                                         case MATROXFB_SRC_CRTC2:
 954                                                 {
 955                                                         struct matroxfb_dh_fb_info* crtc2;
 956
 957                                                         down_read(&minfo->crtc2.lock);
 958                                                         crtc2 = minfo->crtc2.info;
 959                                                         if (crtc2)
 960                                                                 crtc2->fbcon.fbops->fb_set_par(&crtc2->fbcon);
 961                                                         up_read(&minfo->crtc2.lock);
 962                                                 }
 963                                                 break;
 964                                 }
 965                                 return 0;
 966                         }
 967                 case MATROXFB_GET_OUTPUT_MODE:
 968                         {
 969                                 struct matroxioc_output_mode mom;
 970                                 struct matrox_altout *oproc;
 971                                 int val;
 972
 973                                 if (copy_from_user(&mom, argp, sizeof(mom)))
 974                                         return -EFAULT;
 975                                 if (mom.output >= MATROXFB_MAX_OUTPUTS)
 976                                         return -ENXIO;
 977                                 down_read(&minfo->altout.lock);
 978                                 oproc = minfo->outputs[mom.output].output;
 979                                 if (!oproc) {
 980                                         val = -ENXIO;
 981                                 } else {
 982                                         mom.mode = minfo->outputs[mom.output].mode;
 983                                         val = 0;
 984                                 }
 985                                 up_read(&minfo->altout.lock);
 986                                 if (val)
 987                                         return val;
 988                                 if (copy_to_user(argp, &mom, sizeof(mom)))
 989                                         return -EFAULT;
 990                                 return 0;
 991                         }
 992                 case MATROXFB_SET_OUTPUT_CONNECTION:
 993                         {
 994                                 u_int32_t tmp;
 995                                 int i;
 996                                 int changes;
 997
 998                                 if (copy_from_user(&tmp, argp, sizeof(tmp)))
 999                                         return -EFAULT;
1000                                 for (i = 0; i < 32; i++) {
1001                                         if (tmp & (1 << i)) {
1002                                                 if (i >= MATROXFB_MAX_OUTPUTS)
1003                                                         return -ENXIO;
1004                                                 if (!minfo->outputs[i].output)
1005                                                         return -ENXIO;
1006                                                 switch (minfo->outputs[i].src) {
1007                                                         case MATROXFB_SRC_NONE:
1008                                                         case MATROXFB_SRC_CRTC1:
1009                                                                 break;
1010                                                         default:
1011                                                                 return -EBUSY;
1012                                                 }
1013                                         }
1014                                 }
1015                                 if (minfo->devflags.panellink) {
1016                                         if (tmp & MATROXFB_OUTPUT_CONN_DFP) {
1017                                                 if (tmp & MATROXFB_OUTPUT_CONN_SECONDARY)
1018                                                         return -EINVAL;
1019                                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1020                                                         if (minfo->outputs[i].src == MATROXFB_SRC_CRTC2) {
1021                                                                 return -EBUSY;
1022                                                         }
1023                                                 }
1024                                         }
1025                                 }
1026                                 changes = 0;
1027                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1028                                         if (tmp & (1 << i)) {
1029                                                 if (minfo->outputs[i].src != MATROXFB_SRC_CRTC1) {
1030                                                         changes = 1;
1031                                                         minfo->outputs[i].src = MATROXFB_SRC_CRTC1;
1032                                                 }
1033                                         } else if (minfo->outputs[i].src == MATROXFB_SRC_CRTC1) {
1034                                                 changes = 1;
1035                                                 minfo->outputs[i].src = MATROXFB_SRC_NONE;
1036                                         }
1037                                 }
1038                                 if (!changes)
1039                                         return 0;
1040                                 matroxfb_set_par(info);
1041                                 return 0;
1042                         }
1043                 case MATROXFB_GET_OUTPUT_CONNECTION:
1044                         {
1045                                 u_int32_t conn = 0;
1046                                 int i;
1047
1048                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1049                                         if (minfo->outputs[i].src == MATROXFB_SRC_CRTC1) {
1050                                                 conn |= 1 << i;
1051                                         }
1052                                 }
1053                                 if (put_user(conn, (u_int32_t __user *)arg))
1054                                         return -EFAULT;
1055                                 return 0;
1056                         }
1057                 case MATROXFB_GET_AVAILABLE_OUTPUTS:
1058                         {
1059                                 u_int32_t conn = 0;
1060                                 int i;
1061
1062                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1063                                         if (minfo->outputs[i].output) {
1064                                                 switch (minfo->outputs[i].src) {
1065                                                         case MATROXFB_SRC_NONE:
1066                                                         case MATROXFB_SRC_CRTC1:
1067                                                                 conn |= 1 << i;
1068                                                                 break;
1069                                                 }
1070                                         }
1071                                 }
1072                                 if (minfo->devflags.panellink) {
1073                                         if (conn & MATROXFB_OUTPUT_CONN_DFP)
1074                                                 conn &= ~MATROXFB_OUTPUT_CONN_SECONDARY;
1075                                         if (conn & MATROXFB_OUTPUT_CONN_SECONDARY)
1076                                                 conn &= ~MATROXFB_OUTPUT_CONN_DFP;
1077                                 }
1078                                 if (put_user(conn, (u_int32_t __user *)arg))
1079                                         return -EFAULT;
1080                                 return 0;
1081                         }
1082                 case MATROXFB_GET_ALL_OUTPUTS:
1083                         {
1084                                 u_int32_t conn = 0;
1085                                 int i;
1086
1087                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1088                                         if (minfo->outputs[i].output) {
1089                                                 conn |= 1 << i;
1090                                         }
1091                                 }
1092                                 if (put_user(conn, (u_int32_t __user *)arg))
1093                                         return -EFAULT;
1094                                 return 0;
1095                         }
1096                 case VIDIOC_QUERYCAP:
1097                         {
1098                                 struct v4l2_capability r;
1099
1100                                 memset(&r, 0, sizeof(r));
1101                                 strcpy(r.driver, "matroxfb");
1102                                 strcpy(r.card, "Matrox");
1103                                 sprintf(r.bus_info, "PCI:%s", pci_name(minfo->pcidev));
1104                                 r.version = KERNEL_VERSION(1,0,0);
1105                                 r.capabilities = V4L2_CAP_VIDEO_OUTPUT;
1106                                 if (copy_to_user(argp, &r, sizeof(r)))
1107                                         return -EFAULT;
1108                                 return 0;
1109
1110                         }
1111                 case VIDIOC_QUERYCTRL:
1112                         {
1113                                 struct v4l2_queryctrl qctrl;
1114                                 int err;
1115
1116                                 if (copy_from_user(&qctrl, argp, sizeof(qctrl)))
1117                                         return -EFAULT;
1118
1119                                 down_read(&minfo->altout.lock);
1120                                 if (!minfo->outputs[1].output) {
1121                                         err = -ENXIO;
1122                                 } else if (minfo->outputs[1].output->getqueryctrl) {
1123                                         err = minfo->outputs[1].output->getqueryctrl(minfo->outputs[1].data, &qctrl);
1124                                 } else {
1125                                         err = -EINVAL;
1126                                 }
1127                                 up_read(&minfo->altout.lock);
1128                                 if (err >= 0 &&
1129                                     copy_to_user(argp, &qctrl, sizeof(qctrl)))
1130                                         return -EFAULT;
1131                                 return err;
1132                         }
1133                 case VIDIOC_G_CTRL:
1134                         {
1135                                 struct v4l2_control ctrl;
1136                                 int err;
1137
1138                                 if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
1139                                         return -EFAULT;
1140
1141                                 down_read(&minfo->altout.lock);
1142                                 if (!minfo->outputs[1].output) {
1143                                         err = -ENXIO;
1144                                 } else if (minfo->outputs[1].output->getctrl) {
1145                                         err = minfo->outputs[1].output->getctrl(minfo->outputs[1].data, &ctrl);
1146                                 } else {
1147                                         err = -EINVAL;
1148                                 }
1149                                 up_read(&minfo->altout.lock);
1150                                 if (err >= 0 &&
1151                                     copy_to_user(argp, &ctrl, sizeof(ctrl)))
1152                                         return -EFAULT;
1153                                 return err;
1154                         }
1155                 case VIDIOC_S_CTRL_OLD:
1156                 case VIDIOC_S_CTRL:
1157                         {
1158                                 struct v4l2_control ctrl;
1159                                 int err;
1160
1161                                 if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
1162                                         return -EFAULT;
1163
1164                                 down_read(&minfo->altout.lock);
1165                                 if (!minfo->outputs[1].output) {
1166                                         err = -ENXIO;
1167                                 } else if (minfo->outputs[1].output->setctrl) {
1168                                         err = minfo->outputs[1].output->setctrl(minfo->outputs[1].data, &ctrl);
1169                                 } else {
1170                                         err = -EINVAL;
1171                                 }
1172                                 up_read(&minfo->altout.lock);
1173                                 return err;
1174                         }
1175         }
1176         return -ENOTTY;
1177 }
1178
1179 /* 0 unblank, 1 blank, 2 no vsync, 3 no hsync, 4 off */
1180
1181 static int matroxfb_blank(int blank, struct fb_info *info)
1182 {
1183         int seq;
1184         int crtc;
1185         CRITFLAGS
1186         struct matrox_fb_info *minfo = info2minfo(info);
1187
1188         DBG(__func__)
1189
1190         if (minfo->dead)
1191                 return 1;
1192
1193         switch (blank) {
1194         case FB_BLANK_NORMAL:  seq = 0x20; crtc = 0x00; break; /* works ??? */
1195         case FB_BLANK_VSYNC_SUSPEND:  seq = 0x20; crtc = 0x10; break;
1196         case FB_BLANK_HSYNC_SUSPEND:  seq = 0x20; crtc = 0x20; break;
1197         case FB_BLANK_POWERDOWN:  seq = 0x20; crtc = 0x30; break;
1198         default: seq = 0x00; crtc = 0x00; break;
1199         }
1200
1201         CRITBEGIN
1202
1203         mga_outb(M_SEQ_INDEX, 1);
1204         mga_outb(M_SEQ_DATA, (mga_inb(M_SEQ_DATA) & ~0x20) | seq);
1205         mga_outb(M_EXTVGA_INDEX, 1);
1206         mga_outb(M_EXTVGA_DATA, (mga_inb(M_EXTVGA_DATA) & ~0x30) | crtc);
1207
1208         CRITEND
1209         return 0;
1210 }
1211
1212 static struct fb_ops matroxfb_ops = {
1213         .owner =        THIS_MODULE,
1214         .fb_open =      matroxfb_open,
1215         .fb_release =   matroxfb_release,
1216         .fb_check_var = matroxfb_check_var,
1217         .fb_set_par =   matroxfb_set_par,
1218         .fb_setcolreg = matroxfb_setcolreg,
1219         .fb_pan_display =matroxfb_pan_display,
1220         .fb_blank =     matroxfb_blank,
1221         .fb_ioctl =     matroxfb_ioctl,
1222 /*      .fb_fillrect =  <set by matrox_cfbX_init>, */
1223 /*      .fb_copyarea =  <set by matrox_cfbX_init>, */
1224 /*      .fb_imageblit = <set by matrox_cfbX_init>, */
1225 /*      .fb_cursor =    <set by matrox_cfbX_init>, */
1226 };
1227
1228 #define RSDepth(X)      (((X) >> 8) & 0x0F)
1229 #define RS8bpp          0x1
1230 #define RS15bpp         0x2
1231 #define RS16bpp         0x3
1232 #define RS32bpp         0x4
1233 #define RS4bpp          0x5
1234 #define RS24bpp         0x6
1235 #define RSText          0x7
1236 #define RSText8         0x8
1237 /* 9-F */
1238 static struct { struct fb_bitfield red, green, blue, transp; int bits_per_pixel; } colors[] = {
1239         { {  0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, {  0, 0, 0},  8 },
1240         { { 10, 5, 0}, { 5, 5, 0}, { 0, 5, 0}, { 15, 1, 0}, 16 },
1241         { { 11, 5, 0}, { 5, 6, 0}, { 0, 5, 0}, {  0, 0, 0}, 16 },
1242         { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, { 24, 8, 0}, 32 },
1243         { {  0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, {  0, 0, 0},  4 },
1244         { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, {  0, 0, 0}, 24 },
1245         { {  0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, {  0, 0, 0},  0 },       /* textmode with (default) VGA8x16 */
1246         { {  0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, {  0, 0, 0},  0 },       /* textmode hardwired to VGA8x8 */
1247 };
1248
1249 /* initialized by setup, see explanation at end of file (search for MODULE_PARM_DESC) */
1250 static unsigned int mem;                /* "matrox:mem:xxxxxM" */
1251 static int option_precise_width = 1;    /* cannot be changed, option_precise_width==0 must imply noaccel */
1252 static int inv24;                       /* "matrox:inv24" */
1253 static int cross4MB = -1;               /* "matrox:cross4MB" */
1254 static int disabled;                    /* "matrox:disabled" */
1255 static int noaccel;                     /* "matrox:noaccel" */
1256 static int nopan;                       /* "matrox:nopan" */
1257 static int no_pci_retry;                /* "matrox:nopciretry" */
1258 static int novga;                       /* "matrox:novga" */
1259 static int nobios;                      /* "matrox:nobios" */
1260 static int noinit = 1;                  /* "matrox:init" */
1261 static int inverse;                     /* "matrox:inverse" */
1262 static int sgram;                       /* "matrox:sgram" */
1263 #ifdef CONFIG_MTRR
1264 static int mtrr = 1;                    /* "matrox:nomtrr" */
1265 #endif
1266 static int grayscale;                   /* "matrox:grayscale" */
1267 static int dev = -1;                    /* "matrox:dev:xxxxx" */
1268 static unsigned int vesa = ~0;          /* "matrox:vesa:xxxxx" */
1269 static int depth = -1;                  /* "matrox:depth:xxxxx" */
1270 static unsigned int xres;               /* "matrox:xres:xxxxx" */
1271 static unsigned int yres;               /* "matrox:yres:xxxxx" */
1272 static unsigned int upper = ~0;         /* "matrox:upper:xxxxx" */
1273 static unsigned int lower = ~0;         /* "matrox:lower:xxxxx" */
1274 static unsigned int vslen;              /* "matrox:vslen:xxxxx" */
1275 static unsigned int left = ~0;          /* "matrox:left:xxxxx" */
1276 static unsigned int right = ~0;         /* "matrox:right:xxxxx" */
1277 static unsigned int hslen;              /* "matrox:hslen:xxxxx" */
1278 static unsigned int pixclock;           /* "matrox:pixclock:xxxxx" */
1279 static int sync = -1;                   /* "matrox:sync:xxxxx" */
1280 static unsigned int fv;                 /* "matrox:fv:xxxxx" */
1281 static unsigned int fh;                 /* "matrox:fh:xxxxxk" */
1282 static unsigned int maxclk;             /* "matrox:maxclk:xxxxM" */
1283 static int dfp;                         /* "matrox:dfp */
1284 static int dfp_type = -1;               /* "matrox:dfp:xxx */
1285 static int memtype = -1;                /* "matrox:memtype:xxx" */
1286 static char outputs[8];                 /* "matrox:outputs:xxx" */
1287
1288 #ifndef MODULE
1289 static char videomode[64];              /* "matrox:mode:xxxxx" or "matrox:xxxxx" */
1290 #endif
1291
1292 static int matroxfb_getmemory(struct matrox_fb_info *minfo,
1293                               unsigned int maxSize, unsigned int *realSize)
1294 {
1295         vaddr_t vm;
1296         unsigned int offs;
1297         unsigned int offs2;
1298         unsigned char orig;
1299         unsigned char bytes[32];
1300         unsigned char* tmp;
1301
1302         DBG(__func__)
1303
1304         vm = minfo->video.vbase;
1305         maxSize &= ~0x1FFFFF;   /* must be X*2MB (really it must be 2 or X*4MB) */
1306         /* at least 2MB */
1307         if (maxSize < 0x0200000) return 0;
1308         if (maxSize > 0x2000000) maxSize = 0x2000000;
1309
1310         mga_outb(M_EXTVGA_INDEX, 0x03);
1311         orig = mga_inb(M_EXTVGA_DATA);
1312         mga_outb(M_EXTVGA_DATA, orig | 0x80);
1313
1314         tmp = bytes;
1315         for (offs = 0x100000; offs < maxSize; offs += 0x200000)
1316                 *tmp++ = mga_readb(vm, offs);
1317         for (offs = 0x100000; offs < maxSize; offs += 0x200000)
1318                 mga_writeb(vm, offs, 0x02);
1319         mga_outb(M_CACHEFLUSH, 0x00);
1320         for (offs = 0x100000; offs < maxSize; offs += 0x200000) {
1321                 if (mga_readb(vm, offs) != 0x02)
1322                         break;
1323                 mga_writeb(vm, offs, mga_readb(vm, offs) - 0x02);
1324                 if (mga_readb(vm, offs))
1325                         break;
1326         }
1327         tmp = bytes;
1328         for (offs2 = 0x100000; offs2 < maxSize; offs2 += 0x200000)
1329                 mga_writeb(vm, offs2, *tmp++);
1330
1331         mga_outb(M_EXTVGA_INDEX, 0x03);
1332         mga_outb(M_EXTVGA_DATA, orig);
1333
1334         *realSize = offs - 0x100000;
1335 #ifdef CONFIG_FB_MATROX_MILLENIUM
1336         minfo->interleave = !(!isMillenium(minfo) || ((offs - 0x100000) & 0x3FFFFF));
1337 #endif
1338         return 1;
1339 }
1340
1341 struct video_board {
1342         int maxvram;
1343         int maxdisplayable;
1344         int accelID;
1345         struct matrox_switch* lowlevel;
1346                  };
1347 #ifdef CONFIG_FB_MATROX_MILLENIUM
1348 static struct video_board vbMillennium          = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGA2064W,      &matrox_millennium};
1349 static struct video_board vbMillennium2         = {0x1000000, 0x0800000, FB_ACCEL_MATROX_MGA2164W,      &matrox_millennium};
1350 static struct video_board vbMillennium2A        = {0x1000000, 0x0800000, FB_ACCEL_MATROX_MGA2164W_AGP,  &matrox_millennium};
1351 #endif  /* CONFIG_FB_MATROX_MILLENIUM */
1352 #ifdef CONFIG_FB_MATROX_MYSTIQUE
1353 static struct video_board vbMystique            = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGA1064SG,     &matrox_mystique};
1354 #endif  /* CONFIG_FB_MATROX_MYSTIQUE */
1355 #ifdef CONFIG_FB_MATROX_G
1356 static struct video_board vbG100                = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGAG100,       &matrox_G100};
1357 static struct video_board vbG200                = {0x1000000, 0x1000000, FB_ACCEL_MATROX_MGAG200,       &matrox_G100};
1358 /* from doc it looks like that accelerator can draw only to low 16MB :-( Direct accesses & displaying are OK for
1359    whole 32MB */
1360 static struct video_board vbG400                = {0x2000000, 0x1000000, FB_ACCEL_MATROX_MGAG400,       &matrox_G100};
1361 #endif
1362
1363 #define DEVF_VIDEO64BIT         0x0001
1364 #define DEVF_SWAPS              0x0002
1365 #define DEVF_SRCORG             0x0004
1366 #define DEVF_DUALHEAD           0x0008
1367 #define DEVF_CROSS4MB           0x0010
1368 #define DEVF_TEXT4B             0x0020
1369 /* #define DEVF_recycled        0x0040  */
1370 /* #define DEVF_recycled        0x0080  */
1371 #define DEVF_SUPPORT32MB        0x0100
1372 #define DEVF_ANY_VXRES          0x0200
1373 #define DEVF_TEXT16B            0x0400
1374 #define DEVF_CRTC2              0x0800
1375 #define DEVF_MAVEN_CAPABLE      0x1000
1376 #define DEVF_PANELLINK_CAPABLE  0x2000
1377 #define DEVF_G450DAC            0x4000
1378
1379 #define DEVF_GCORE      (DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB)
1380 #define DEVF_G2CORE     (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_MAVEN_CAPABLE | DEVF_PANELLINK_CAPABLE | DEVF_SRCORG | DEVF_DUALHEAD)
1381 #define DEVF_G100       (DEVF_GCORE) /* no doc, no vxres... */
1382 #define DEVF_G200       (DEVF_G2CORE)
1383 #define DEVF_G400       (DEVF_G2CORE | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2)
1384 /* if you'll find how to drive DFP... */
1385 #define DEVF_G450       (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2 | DEVF_G450DAC | DEVF_SRCORG | DEVF_DUALHEAD)
1386 #define DEVF_G550       (DEVF_G450)
1387
1388 static struct board {
1389         unsigned short vendor, device, rev, svid, sid;
1390         unsigned int flags;
1391         unsigned int maxclk;
1392         enum mga_chip chip;
1393         struct video_board* base;
1394         const char* name;
1395                 } dev_list[] = {
1396 #ifdef CONFIG_FB_MATROX_MILLENIUM
1397         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL,       0xFF,
1398                 0,                      0,
1399                 DEVF_TEXT4B,
1400                 230000,
1401                 MGA_2064,
1402                 &vbMillennium,
1403                 "Millennium (PCI)"},
1404         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2,     0xFF,
1405                 0,                      0,
1406                 DEVF_SWAPS,
1407                 220000,
1408                 MGA_2164,
1409                 &vbMillennium2,
1410                 "Millennium II (PCI)"},
1411         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2_AGP, 0xFF,
1412                 0,                      0,
1413                 DEVF_SWAPS,
1414                 250000,
1415                 MGA_2164,
1416                 &vbMillennium2A,
1417                 "Millennium II (AGP)"},
1418 #endif
1419 #ifdef CONFIG_FB_MATROX_MYSTIQUE
1420         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,       0x02,
1421                 0,                      0,
1422                 DEVF_VIDEO64BIT | DEVF_CROSS4MB,
1423                 180000,
1424                 MGA_1064,
1425                 &vbMystique,
1426                 "Mystique (PCI)"},
1427         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,       0xFF,
1428                 0,                      0,
1429                 DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB,
1430                 220000,
1431                 MGA_1164,
1432                 &vbMystique,
1433                 "Mystique 220 (PCI)"},
1434         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS_AGP,   0x02,
1435                 0,                      0,
1436                 DEVF_VIDEO64BIT | DEVF_CROSS4MB,
1437                 180000,
1438                 MGA_1064,
1439                 &vbMystique,
1440                 "Mystique (AGP)"},
1441         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS_AGP,   0xFF,
1442                 0,                      0,
1443                 DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB,
1444                 220000,
1445                 MGA_1164,
1446                 &vbMystique,
1447                 "Mystique 220 (AGP)"},
1448 #endif
1449 #ifdef CONFIG_FB_MATROX_G
1450         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_MM,   0xFF,
1451                 0,                      0,
1452                 DEVF_G100,
1453                 230000,
1454                 MGA_G100,
1455                 &vbG100,
1456                 "MGA-G100 (PCI)"},
1457         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_AGP,  0xFF,
1458                 0,                      0,
1459                 DEVF_G100,
1460                 230000,
1461                 MGA_G100,
1462                 &vbG100,
1463                 "MGA-G100 (AGP)"},
1464         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200EV_PCI,        0xFF,
1465                 0,                      0,
1466                 DEVF_G200,
1467                 230000,
1468                 MGA_G200,
1469                 &vbG200,
1470                 "MGA-G200eV (PCI)"},
1471         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_PCI,  0xFF,
1472                 0,                      0,
1473                 DEVF_G200,
1474                 250000,
1475                 MGA_G200,
1476                 &vbG200,
1477                 "MGA-G200 (PCI)"},
1478         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1479                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_GENERIC,
1480                 DEVF_G200,
1481                 220000,
1482                 MGA_G200,
1483                 &vbG200,
1484                 "MGA-G200 (AGP)"},
1485         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1486                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MYSTIQUE_G200_AGP,
1487                 DEVF_G200,
1488                 230000,
1489                 MGA_G200,
1490                 &vbG200,
1491                 "Mystique G200 (AGP)"},
1492         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1493                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MILLENIUM_G200_AGP,
1494                 DEVF_G200,
1495                 250000,
1496                 MGA_G200,
1497                 &vbG200,
1498                 "Millennium G200 (AGP)"},
1499         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1500                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MARVEL_G200_AGP,
1501                 DEVF_G200,
1502                 230000,
1503                 MGA_G200,
1504                 &vbG200,
1505                 "Marvel G200 (AGP)"},
1506         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1507                 PCI_SS_VENDOR_ID_SIEMENS_NIXDORF,       PCI_SS_ID_SIEMENS_MGA_G200_AGP,
1508                 DEVF_G200,
1509                 230000,
1510                 MGA_G200,
1511                 &vbG200,
1512                 "MGA-G200 (AGP)"},
1513         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1514                 0,                      0,
1515                 DEVF_G200,
1516                 230000,
1517                 MGA_G200,
1518                 &vbG200,
1519                 "G200 (AGP)"},
1520         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0x80,
1521                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MILLENNIUM_G400_MAX_AGP,
1522                 DEVF_G400,
1523                 360000,
1524                 MGA_G400,
1525                 &vbG400,
1526                 "Millennium G400 MAX (AGP)"},
1527         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0x80,
1528                 0,                      0,
1529                 DEVF_G400,
1530                 300000,
1531                 MGA_G400,
1532                 &vbG400,
1533                 "G400 (AGP)"},
1534         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0xFF,
1535                 0,                      0,
1536                 DEVF_G450,
1537                 360000,
1538                 MGA_G450,
1539                 &vbG400,
1540                 "G450"},
1541         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G550,      0xFF,
1542                 0,                      0,
1543                 DEVF_G550,
1544                 360000,
1545                 MGA_G550,
1546                 &vbG400,
1547                 "G550"},
1548 #endif
1549         {0,                     0,                              0xFF,
1550                 0,                      0,
1551                 0,
1552                 0,
1553                 0,
1554                 NULL,
1555                 NULL}};
1556
1557 #ifndef MODULE
1558 static struct fb_videomode defaultmode = {
1559         /* 640x480 @ 60Hz, 31.5 kHz */
1560         NULL, 60, 640, 480, 39721, 40, 24, 32, 11, 96, 2,
1561         0, FB_VMODE_NONINTERLACED
1562 };
1563 #endif /* !MODULE */
1564
1565 static int hotplug = 0;
1566
1567 static void setDefaultOutputs(struct matrox_fb_info *minfo)
1568 {
1569         unsigned int i;
1570         const char* ptr;
1571
1572         minfo->outputs[0].default_src = MATROXFB_SRC_CRTC1;
1573         if (minfo->devflags.g450dac) {
1574                 minfo->outputs[1].default_src = MATROXFB_SRC_CRTC1;
1575                 minfo->outputs[2].default_src = MATROXFB_SRC_CRTC1;
1576         } else if (dfp) {
1577                 minfo->outputs[2].default_src = MATROXFB_SRC_CRTC1;
1578         }
1579         ptr = outputs;
1580         for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1581                 char c = *ptr++;
1582
1583                 if (c == 0) {
1584                         break;
1585                 }
1586                 if (c == '0') {
1587                         minfo->outputs[i].default_src = MATROXFB_SRC_NONE;
1588                 } else if (c == '1') {
1589                         minfo->outputs[i].default_src = MATROXFB_SRC_CRTC1;
1590                 } else if (c == '2' && minfo->devflags.crtc2) {
1591                         minfo->outputs[i].default_src = MATROXFB_SRC_CRTC2;
1592                 } else {
1593                         printk(KERN_ERR "matroxfb: Unknown outputs setting\n");
1594                         break;
1595                 }
1596         }
1597         /* Nullify this option for subsequent adapters */
1598         outputs[0] = 0;
1599 }
1600
1601 static int initMatrox2(struct matrox_fb_info *minfo, struct board *b)
1602 {
1603         unsigned long ctrlptr_phys = 0;
1604         unsigned long video_base_phys = 0;
1605         unsigned int memsize;
1606         int err;
1607
1608         static struct pci_device_id intel_82437[] = {
1609                 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82437) },
1610                 { },
1611         };
1612
1613         DBG(__func__)
1614
1615         /* set default values... */
1616         vesafb_defined.accel_flags = FB_ACCELF_TEXT;
1617
1618         minfo->hw_switch = b->base->lowlevel;
1619         minfo->devflags.accelerator = b->base->accelID;
1620         minfo->max_pixel_clock = b->maxclk;
1621
1622         printk(KERN_INFO "matroxfb: Matrox %s detected\n", b->name);
1623         minfo->capable.plnwt = 1;
1624         minfo->chip = b->chip;
1625         minfo->capable.srcorg = b->flags & DEVF_SRCORG;
1626         minfo->devflags.video64bits = b->flags & DEVF_VIDEO64BIT;
1627         if (b->flags & DEVF_TEXT4B) {
1628                 minfo->devflags.vgastep = 4;
1629                 minfo->devflags.textmode = 4;
1630                 minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP16;
1631         } else if (b->flags & DEVF_TEXT16B) {
1632                 minfo->devflags.vgastep = 16;
1633                 minfo->devflags.textmode = 1;
1634                 minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP16;
1635         } else {
1636                 minfo->devflags.vgastep = 8;
1637                 minfo->devflags.textmode = 1;
1638                 minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP8;
1639         }
1640         minfo->devflags.support32MB = (b->flags & DEVF_SUPPORT32MB) != 0;
1641         minfo->devflags.precise_width = !(b->flags & DEVF_ANY_VXRES);
1642         minfo->devflags.crtc2 = (b->flags & DEVF_CRTC2) != 0;
1643         minfo->devflags.maven_capable = (b->flags & DEVF_MAVEN_CAPABLE) != 0;
1644         minfo->devflags.dualhead = (b->flags & DEVF_DUALHEAD) != 0;
1645         minfo->devflags.dfp_type = dfp_type;
1646         minfo->devflags.g450dac = (b->flags & DEVF_G450DAC) != 0;
1647         minfo->devflags.textstep = minfo->devflags.vgastep * minfo->devflags.textmode;
1648         minfo->devflags.textvram = 65536 / minfo->devflags.textmode;
1649         setDefaultOutputs(minfo);
1650         if (b->flags & DEVF_PANELLINK_CAPABLE) {
1651                 minfo->outputs[2].data = minfo;
1652                 minfo->outputs[2].output = &panellink_output;
1653                 minfo->outputs[2].src = minfo->outputs[2].default_src;
1654                 minfo->outputs[2].mode = MATROXFB_OUTPUT_MODE_MONITOR;
1655                 minfo->devflags.panellink = 1;
1656         }
1657
1658         if (minfo->capable.cross4MB < 0)
1659                 minfo->capable.cross4MB = b->flags & DEVF_CROSS4MB;
1660         if (b->flags & DEVF_SWAPS) {
1661                 ctrlptr_phys = pci_resource_start(minfo->pcidev, 1);
1662                 video_base_phys = pci_resource_start(minfo->pcidev, 0);
1663                 minfo->devflags.fbResource = PCI_BASE_ADDRESS_0;
1664         } else {
1665                 ctrlptr_phys = pci_resource_start(minfo->pcidev, 0);
1666                 video_base_phys = pci_resource_start(minfo->pcidev, 1);
1667                 minfo->devflags.fbResource = PCI_BASE_ADDRESS_1;
1668         }
1669         err = -EINVAL;
1670         if (!ctrlptr_phys) {
1671                 printk(KERN_ERR "matroxfb: control registers are not available, matroxfb disabled\n");
1672                 goto fail;
1673         }
1674         if (!video_base_phys) {
1675                 printk(KERN_ERR "matroxfb: video RAM is not available in PCI address space, matroxfb disabled\n");
1676                 goto fail;
1677         }
1678         memsize = b->base->maxvram;
1679         if (!request_mem_region(ctrlptr_phys, 16384, "matroxfb MMIO")) {
1680                 goto fail;
1681         }
1682         if (!request_mem_region(video_base_phys, memsize, "matroxfb FB")) {
1683                 goto failCtrlMR;
1684         }
1685         minfo->video.len_maximum = memsize;
1686         /* convert mem (autodetect k, M) */
1687         if (mem < 1024) mem *= 1024;
1688         if (mem < 0x00100000) mem *= 1024;
1689
1690         if (mem && (mem < memsize))
1691                 memsize = mem;
1692         err = -ENOMEM;
1693         if (mga_ioremap(ctrlptr_phys, 16384, MGA_IOREMAP_MMIO, &minfo->mmio.vbase)) {
1694                 printk(KERN_ERR "matroxfb: cannot ioremap(%lX, 16384), matroxfb disabled\n", ctrlptr_phys);
1695                 goto failVideoMR;
1696         }
1697         minfo->mmio.base = ctrlptr_phys;
1698         minfo->mmio.len = 16384;
1699         minfo->video.base = video_base_phys;
1700         if (mga_ioremap(video_base_phys, memsize, MGA_IOREMAP_FB, &minfo->video.vbase)) {
1701                 printk(KERN_ERR "matroxfb: cannot ioremap(%lX, %d), matroxfb disabled\n",
1702                         video_base_phys, memsize);
1703                 goto failCtrlIO;
1704         }
1705         {
1706                 u_int32_t cmd;
1707                 u_int32_t mga_option;
1708
1709                 pci_read_config_dword(minfo->pcidev, PCI_OPTION_REG, &mga_option);
1710                 pci_read_config_dword(minfo->pcidev, PCI_COMMAND, &cmd);
1711                 mga_option &= 0x7FFFFFFF; /* clear BIG_ENDIAN */
1712                 mga_option |= MX_OPTION_BSWAP;
1713                 /* disable palette snooping */
1714                 cmd &= ~PCI_COMMAND_VGA_PALETTE;
1715                 if (pci_dev_present(intel_82437)) {
1716                         if (!(mga_option & 0x20000000) && !minfo->devflags.nopciretry) {
1717                                 printk(KERN_WARNING "matroxfb: Disabling PCI retries due to i82437 present\n");
1718                         }
1719                         mga_option |= 0x20000000;
1720                         minfo->devflags.nopciretry = 1;
1721                 }
1722                 pci_write_config_dword(minfo->pcidev, PCI_COMMAND, cmd);
1723                 pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, mga_option);
1724                 minfo->hw.MXoptionReg = mga_option;
1725
1726                 /* select non-DMA memory for PCI_MGA_DATA, otherwise dump of PCI cfg space can lock PCI bus */
1727                 /* maybe preinit() candidate, but it is same... for all devices... at this time... */
1728                 pci_write_config_dword(minfo->pcidev, PCI_MGA_INDEX, 0x00003C00);
1729         }
1730
1731         err = -ENXIO;
1732         matroxfb_read_pins(minfo);
1733         if (minfo->hw_switch->preinit(minfo)) {
1734                 goto failVideoIO;
1735         }
1736
1737         err = -ENOMEM;
1738         if (!matroxfb_getmemory(minfo, memsize, &minfo->video.len) || !minfo->video.len) {
1739                 printk(KERN_ERR "matroxfb: cannot determine memory size\n");
1740                 goto failVideoIO;
1741         }
1742         minfo->devflags.ydstorg = 0;
1743
1744         minfo->video.base = video_base_phys;
1745         minfo->video.len_usable = minfo->video.len;
1746         if (minfo->video.len_usable > b->base->maxdisplayable)
1747                 minfo->video.len_usable = b->base->maxdisplayable;
1748 #ifdef CONFIG_MTRR
1749         if (mtrr) {
1750                 minfo->mtrr.vram = mtrr_add(video_base_phys, minfo->video.len, MTRR_TYPE_WRCOMB, 1);
1751                 minfo->mtrr.vram_valid = 1;
1752                 printk(KERN_INFO "matroxfb: MTRR's turned on\n");
1753         }
1754 #endif  /* CONFIG_MTRR */
1755
1756         if (!minfo->devflags.novga)
1757                 request_region(0x3C0, 32, "matrox");
1758         matroxfb_g450_connect(minfo);
1759         minfo->hw_switch->reset(minfo);
1760
1761         minfo->fbcon.monspecs.hfmin = 0;
1762         minfo->fbcon.monspecs.hfmax = fh;
1763         minfo->fbcon.monspecs.vfmin = 0;
1764         minfo->fbcon.monspecs.vfmax = fv;
1765         minfo->fbcon.monspecs.dpms = 0; /* TBD */
1766
1767         /* static settings */
1768         vesafb_defined.red = colors[depth-1].red;
1769         vesafb_defined.green = colors[depth-1].green;
1770         vesafb_defined.blue = colors[depth-1].blue;
1771         vesafb_defined.bits_per_pixel = colors[depth-1].bits_per_pixel;
1772         vesafb_defined.grayscale = grayscale;
1773         vesafb_defined.vmode = 0;
1774         if (noaccel)
1775                 vesafb_defined.accel_flags &= ~FB_ACCELF_TEXT;
1776
1777         minfo->fbops = matroxfb_ops;
1778         minfo->fbcon.fbops = &minfo->fbops;
1779         minfo->fbcon.pseudo_palette = minfo->cmap;
1780         /* after __init time we are like module... no logo */
1781         minfo->fbcon.flags = hotplug ? FBINFO_FLAG_MODULE : FBINFO_FLAG_DEFAULT;
1782         minfo->fbcon.flags |= FBINFO_PARTIAL_PAN_OK |    /* Prefer panning for scroll under MC viewer/edit */
1783                                       FBINFO_HWACCEL_COPYAREA |  /* We have hw-assisted bmove */
1784                                       FBINFO_HWACCEL_FILLRECT |  /* And fillrect */
1785                                       FBINFO_HWACCEL_IMAGEBLIT | /* And imageblit */
1786                                       FBINFO_HWACCEL_XPAN |      /* And we support both horizontal */
1787                                       FBINFO_HWACCEL_YPAN;       /* And vertical panning */
1788         minfo->video.len_usable &= PAGE_MASK;
1789         fb_alloc_cmap(&minfo->fbcon.cmap, 256, 1);
1790
1791 #ifndef MODULE
1792         /* mode database is marked __init!!! */
1793         if (!hotplug) {
1794                 fb_find_mode(&vesafb_defined, &minfo->fbcon, videomode[0] ? videomode : NULL,
1795                         NULL, 0, &defaultmode, vesafb_defined.bits_per_pixel);
1796         }
1797 #endif /* !MODULE */
1798
1799         /* mode modifiers */
1800         if (hslen)
1801                 vesafb_defined.hsync_len = hslen;
1802         if (vslen)
1803                 vesafb_defined.vsync_len = vslen;
1804         if (left != ~0)
1805                 vesafb_defined.left_margin = left;
1806         if (right != ~0)
1807                 vesafb_defined.right_margin = right;
1808         if (upper != ~0)
1809                 vesafb_defined.upper_margin = upper;
1810         if (lower != ~0)
1811                 vesafb_defined.lower_margin = lower;
1812         if (xres)
1813                 vesafb_defined.xres = xres;
1814         if (yres)
1815                 vesafb_defined.yres = yres;
1816         if (sync != -1)
1817                 vesafb_defined.sync = sync;
1818         else if (vesafb_defined.sync == ~0) {
1819                 vesafb_defined.sync = 0;
1820                 if (yres < 400)
1821                         vesafb_defined.sync |= FB_SYNC_HOR_HIGH_ACT;
1822                 else if (yres < 480)
1823                         vesafb_defined.sync |= FB_SYNC_VERT_HIGH_ACT;
1824         }
1825
1826         /* fv, fh, maxclk limits was specified */
1827         {
1828                 unsigned int tmp;
1829
1830                 if (fv) {
1831                         tmp = fv * (vesafb_defined.upper_margin + vesafb_defined.yres
1832                                   + vesafb_defined.lower_margin + vesafb_defined.vsync_len);
1833                         if ((tmp < fh) || (fh == 0)) fh = tmp;
1834                 }
1835                 if (fh) {
1836                         tmp = fh * (vesafb_defined.left_margin + vesafb_defined.xres
1837                                   + vesafb_defined.right_margin + vesafb_defined.hsync_len);
1838                         if ((tmp < maxclk) || (maxclk == 0)) maxclk = tmp;
1839                 }
1840                 tmp = (maxclk + 499) / 500;
1841                 if (tmp) {
1842                         tmp = (2000000000 + tmp) / tmp;
1843                         if (tmp > pixclock) pixclock = tmp;
1844                 }
1845         }
1846         if (pixclock) {
1847                 if (pixclock < 2000)            /* > 500MHz */
1848                         pixclock = 4000;        /* 250MHz */
1849                 if (pixclock > 1000000)
1850                         pixclock = 1000000;     /* 1MHz */
1851                 vesafb_defined.pixclock = pixclock;
1852         }
1853
1854         /* FIXME: Where to move this?! */
1855 #if defined(CONFIG_PPC_PMAC)
1856 #ifndef MODULE
1857         if (machine_is(powermac)) {
1858                 struct fb_var_screeninfo var;
1859                 if (default_vmode <= 0 || default_vmode > VMODE_MAX)
1860                         default_vmode = VMODE_640_480_60;
1861 #ifdef CONFIG_NVRAM
1862                 if (default_cmode == CMODE_NVRAM)
1863                         default_cmode = nvram_read_byte(NV_CMODE);
1864 #endif
1865                 if (default_cmode < CMODE_8 || default_cmode > CMODE_32)
1866                         default_cmode = CMODE_8;
1867                 if (!mac_vmode_to_var(default_vmode, default_cmode, &var)) {
1868                         var.accel_flags = vesafb_defined.accel_flags;
1869                         var.xoffset = var.yoffset = 0;
1870                         /* Note: mac_vmode_to_var() does not set all parameters */
1871                         vesafb_defined = var;
1872                 }
1873         }
1874 #endif /* !MODULE */
1875 #endif /* CONFIG_PPC_PMAC */
1876         vesafb_defined.xres_virtual = vesafb_defined.xres;
1877         if (nopan) {
1878                 vesafb_defined.yres_virtual = vesafb_defined.yres;
1879         } else {
1880                 vesafb_defined.yres_virtual = 65536; /* large enough to be INF, but small enough
1881                                                         to yres_virtual * xres_virtual < 2^32 */
1882         }
1883         matroxfb_init_fix(minfo);
1884         minfo->fbcon.screen_base = vaddr_va(minfo->video.vbase);
1885         /* Normalize values (namely yres_virtual) */
1886         matroxfb_check_var(&vesafb_defined, &minfo->fbcon);
1887         /* And put it into "current" var. Do NOT program hardware yet, or we'll not take over
1888          * vgacon correctly. fbcon_startup will call fb_set_par for us, WITHOUT check_var,
1889          * and unfortunately it will do it BEFORE vgacon contents is saved, so it won't work
1890          * anyway. But we at least tried... */
1891         minfo->fbcon.var = vesafb_defined;
1892         err = -EINVAL;
1893
1894         printk(KERN_INFO "matroxfb: %dx%dx%dbpp (virtual: %dx%d)\n",
1895                 vesafb_defined.xres, vesafb_defined.yres, vesafb_defined.bits_per_pixel,
1896                 vesafb_defined.xres_virtual, vesafb_defined.yres_virtual);
1897         printk(KERN_INFO "matroxfb: framebuffer at 0x%lX, mapped to 0x%p, size %d\n",
1898                 minfo->video.base, vaddr_va(minfo->video.vbase), minfo->video.len);
1899
1900 /* We do not have to set currcon to 0... register_framebuffer do it for us on first console
1901  * and we do not want currcon == 0 for subsequent framebuffers */
1902
1903         minfo->fbcon.device = &minfo->pcidev->dev;
1904         if (register_framebuffer(&minfo->fbcon) < 0) {
1905                 goto failVideoIO;
1906         }
1907         printk("fb%d: %s frame buffer device\n",
1908                minfo->fbcon.node, minfo->fbcon.fix.id);
1909
1910         /* there is no console on this fb... but we have to initialize hardware
1911          * until someone tells me what is proper thing to do */
1912         if (!minfo->initialized) {
1913                 printk(KERN_INFO "fb%d: initializing hardware\n",
1914                        minfo->fbcon.node);
1915                 /* We have to use FB_ACTIVATE_FORCE, as we had to put vesafb_defined to the fbcon.var
1916                  * already before, so register_framebuffer works correctly. */
1917                 vesafb_defined.activate |= FB_ACTIVATE_FORCE;
1918                 fb_set_var(&minfo->fbcon, &vesafb_defined);
1919         }
1920
1921         return 0;
1922 failVideoIO:;
1923         matroxfb_g450_shutdown(minfo);
1924         mga_iounmap(minfo->video.vbase);
1925 failCtrlIO:;
1926         mga_iounmap(minfo->mmio.vbase);
1927 failVideoMR:;
1928         release_mem_region(video_base_phys, minfo->video.len_maximum);
1929 failCtrlMR:;
1930         release_mem_region(ctrlptr_phys, 16384);
1931 fail:;
1932         return err;
1933 }
1934
1935 static LIST_HEAD(matroxfb_list);
1936 static LIST_HEAD(matroxfb_driver_list);
1937
1938 #define matroxfb_l(x) list_entry(x, struct matrox_fb_info, next_fb)
1939 #define matroxfb_driver_l(x) list_entry(x, struct matroxfb_driver, node)
1940 int matroxfb_register_driver(struct matroxfb_driver* drv) {
1941         struct matrox_fb_info* minfo;
1942
1943         list_add(&drv->node, &matroxfb_driver_list);
1944         for (minfo = matroxfb_l(matroxfb_list.next);
1945              minfo != matroxfb_l(&matroxfb_list);
1946              minfo = matroxfb_l(minfo->next_fb.next)) {
1947                 void* p;
1948
1949                 if (minfo->drivers_count == MATROXFB_MAX_FB_DRIVERS)
1950                         continue;
1951                 p = drv->probe(minfo);
1952                 if (p) {
1953                         minfo->drivers_data[minfo->drivers_count] = p;
1954                         minfo->drivers[minfo->drivers_count++] = drv;
1955                 }
1956         }
1957         return 0;
1958 }
1959
1960 void matroxfb_unregister_driver(struct matroxfb_driver* drv) {
1961         struct matrox_fb_info* minfo;
1962
1963         list_del(&drv->node);
1964         for (minfo = matroxfb_l(matroxfb_list.next);
1965              minfo != matroxfb_l(&matroxfb_list);
1966              minfo = matroxfb_l(minfo->next_fb.next)) {
1967                 int i;
1968
1969                 for (i = 0; i < minfo->drivers_count; ) {
1970                         if (minfo->drivers[i] == drv) {
1971                                 if (drv && drv->remove)
1972                                         drv->remove(minfo, minfo->drivers_data[i]);
1973                                 minfo->drivers[i] = minfo->drivers[--minfo->drivers_count];
1974                                 minfo->drivers_data[i] = minfo->drivers_data[minfo->drivers_count];
1975                         } else
1976                                 i++;
1977                 }
1978         }
1979 }
1980
1981 static void matroxfb_register_device(struct matrox_fb_info* minfo) {
1982         struct matroxfb_driver* drv;
1983         int i = 0;
1984         list_add(&minfo->next_fb, &matroxfb_list);
1985         for (drv = matroxfb_driver_l(matroxfb_driver_list.next);
1986              drv != matroxfb_driver_l(&matroxfb_driver_list);
1987              drv = matroxfb_driver_l(drv->node.next)) {
1988                 if (drv && drv->probe) {
1989                         void *p = drv->probe(minfo);
1990                         if (p) {
1991                                 minfo->drivers_data[i] = p;
1992                                 minfo->drivers[i++] = drv;
1993                                 if (i == MATROXFB_MAX_FB_DRIVERS)
1994                                         break;
1995                         }
1996                 }
1997         }
1998         minfo->drivers_count = i;
1999 }
2000
2001 static void matroxfb_unregister_device(struct matrox_fb_info* minfo) {
2002         int i;
2003
2004         list_del(&minfo->next_fb);
2005         for (i = 0; i < minfo->drivers_count; i++) {
2006                 struct matroxfb_driver* drv = minfo->drivers[i];
2007
2008                 if (drv && drv->remove)
2009                         drv->remove(minfo, minfo->drivers_data[i]);
2010         }
2011 }
2012
2013 static int matroxfb_probe(struct pci_dev* pdev, const struct pci_device_id* dummy) {
2014         struct board* b;
2015         u_int16_t svid;
2016         u_int16_t sid;
2017         struct matrox_fb_info* minfo;
2018         int err;
2019         u_int32_t cmd;
2020         DBG(__func__)
2021
2022         svid = pdev->subsystem_vendor;
2023         sid = pdev->subsystem_device;
2024         for (b = dev_list; b->vendor; b++) {
2025                 if ((b->vendor != pdev->vendor) || (b->device != pdev->device) || (b->rev < pdev->revision)) continue;
2026                 if (b->svid)
2027                         if ((b->svid != svid) || (b->sid != sid)) continue;
2028                 break;
2029         }
2030         /* not match... */
2031         if (!b->vendor)
2032                 return -ENODEV;
2033         if (dev > 0) {
2034                 /* not requested one... */
2035                 dev--;
2036                 return -ENODEV;
2037         }
2038         pci_read_config_dword(pdev, PCI_COMMAND, &cmd);
2039         if (pci_enable_device(pdev)) {
2040                 return -1;
2041         }
2042
2043         minfo = kmalloc(sizeof(*minfo), GFP_KERNEL);
2044         if (!minfo)
2045                 return -1;
2046         memset(minfo, 0, sizeof(*minfo));
2047
2048         minfo->pcidev = pdev;
2049         minfo->dead = 0;
2050         minfo->usecount = 0;
2051         minfo->userusecount = 0;
2052
2053         pci_set_drvdata(pdev, minfo);
2054         /* DEVFLAGS */
2055         minfo->devflags.memtype = memtype;
2056         if (memtype != -1)
2057                 noinit = 0;
2058         if (cmd & PCI_COMMAND_MEMORY) {
2059                 minfo->devflags.novga = novga;
2060                 minfo->devflags.nobios = nobios;
2061                 minfo->devflags.noinit = noinit;
2062                 /* subsequent heads always needs initialization and must not enable BIOS */
2063                 novga = 1;
2064                 nobios = 1;
2065                 noinit = 0;
2066         } else {
2067                 minfo->devflags.novga = 1;
2068                 minfo->devflags.nobios = 1;
2069                 minfo->devflags.noinit = 0;
2070         }
2071
2072         minfo->devflags.nopciretry = no_pci_retry;
2073         minfo->devflags.mga_24bpp_fix = inv24;
2074         minfo->devflags.precise_width = option_precise_width;
2075         minfo->devflags.sgram = sgram;
2076         minfo->capable.cross4MB = cross4MB;
2077
2078         spin_lock_init(&minfo->lock.DAC);
2079         spin_lock_init(&minfo->lock.accel);
2080         init_rwsem(&minfo->crtc2.lock);
2081         init_rwsem(&minfo->altout.lock);
2082         mutex_init(&minfo->fbcon.mm_lock);
2083         minfo->irq_flags = 0;
2084         init_waitqueue_head(&minfo->crtc1.vsync.wait);
2085         init_waitqueue_head(&minfo->crtc2.vsync.wait);
2086         minfo->crtc1.panpos = -1;
2087
2088         err = initMatrox2(minfo, b);
2089         if (!err) {
2090                 matroxfb_register_device(minfo);
2091                 return 0;
2092         }
2093         kfree(minfo);
2094         return -1;
2095 }
2096
2097 static void pci_remove_matrox(struct pci_dev* pdev) {
2098         struct matrox_fb_info* minfo;
2099
2100         minfo = pci_get_drvdata(pdev);
2101         matroxfb_remove(minfo, 1);
2102 }
2103
2104 static struct pci_device_id matroxfb_devices[] = {
2105 #ifdef CONFIG_FB_MATROX_MILLENIUM
2106         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL,
2107                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2108         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2,
2109                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2110         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2_AGP,
2111                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2112 #endif
2113 #ifdef CONFIG_FB_MATROX_MYSTIQUE
2114         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,
2115                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2116 #endif
2117 #ifdef CONFIG_FB_MATROX_G
2118         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_MM,
2119                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2120         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_AGP,
2121                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2122         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200EV_PCI,
2123                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2124         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_PCI,
2125                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2126         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,
2127                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2128         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,
2129                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2130         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G550,
2131                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2132 #endif
2133         {0,                     0,
2134                 0,              0,              0, 0, 0}
2135 };
2136
2137 MODULE_DEVICE_TABLE(pci, matroxfb_devices);
2138
2139
2140 static struct pci_driver matroxfb_driver = {
2141         .name =         "matroxfb",
2142         .id_table =     matroxfb_devices,
2143         .probe =        matroxfb_probe,
2144         .remove =       pci_remove_matrox,
2145 };
2146
2147 /* **************************** init-time only **************************** */
2148
2149 #define RSResolution(X) ((X) & 0x0F)
2150 #define RS640x400       1
2151 #define RS640x480       2
2152 #define RS800x600       3
2153 #define RS1024x768      4
2154 #define RS1280x1024     5
2155 #define RS1600x1200     6
2156 #define RS768x576       7
2157 #define RS960x720       8
2158 #define RS1152x864      9
2159 #define RS1408x1056     10
2160 #define RS640x350       11
2161 #define RS1056x344      12      /* 132 x 43 text */
2162 #define RS1056x400      13      /* 132 x 50 text */
2163 #define RS1056x480      14      /* 132 x 60 text */
2164 #define RSNoxNo         15
2165 /* 10-FF */
2166 static struct { int xres, yres, left, right, upper, lower, hslen, vslen, vfreq; } timmings[] __initdata = {
2167         {  640,  400,  48, 16, 39,  8,  96, 2, 70 },
2168         {  640,  480,  48, 16, 33, 10,  96, 2, 60 },
2169         {  800,  600, 144, 24, 28,  8, 112, 6, 60 },
2170         { 1024,  768, 160, 32, 30,  4, 128, 4, 60 },
2171         { 1280, 1024, 224, 32, 32,  4, 136, 4, 60 },
2172         { 1600, 1200, 272, 48, 32,  5, 152, 5, 60 },
2173         {  768,  576, 144, 16, 28,  6, 112, 4, 60 },
2174         {  960,  720, 144, 24, 28,  8, 112, 4, 60 },
2175         { 1152,  864, 192, 32, 30,  4, 128, 4, 60 },
2176         { 1408, 1056, 256, 40, 32,  5, 144, 5, 60 },
2177         {  640,  350,  48, 16, 39,  8,  96, 2, 70 },
2178         { 1056,  344,  96, 24, 59, 44, 160, 2, 70 },
2179         { 1056,  400,  96, 24, 39,  8, 160, 2, 70 },
2180         { 1056,  480,  96, 24, 36, 12, 160, 3, 60 },
2181         {    0,    0,  ~0, ~0, ~0, ~0,   0, 0,  0 }
2182 };
2183
2184 #define RSCreate(X,Y)   ((X) | ((Y) << 8))
2185 static struct { unsigned int vesa; unsigned int info; } *RSptr, vesamap[] __initdata = {
2186 /* default must be first */
2187         {    ~0, RSCreate(RSNoxNo,     RS8bpp ) },
2188         { 0x101, RSCreate(RS640x480,   RS8bpp ) },
2189         { 0x100, RSCreate(RS640x400,   RS8bpp ) },
2190         { 0x180, RSCreate(RS768x576,   RS8bpp ) },
2191         { 0x103, RSCreate(RS800x600,   RS8bpp ) },
2192         { 0x188, RSCreate(RS960x720,   RS8bpp ) },
2193         { 0x105, RSCreate(RS1024x768,  RS8bpp ) },
2194         { 0x190, RSCreate(RS1152x864,  RS8bpp ) },
2195         { 0x107, RSCreate(RS1280x1024, RS8bpp ) },
2196         { 0x198, RSCreate(RS1408x1056, RS8bpp ) },
2197         { 0x11C, RSCreate(RS1600x1200, RS8bpp ) },
2198         { 0x110, RSCreate(RS640x480,   RS15bpp) },
2199         { 0x181, RSCreate(RS768x576,   RS15bpp) },
2200         { 0x113, RSCreate(RS800x600,   RS15bpp) },
2201         { 0x189, RSCreate(RS960x720,   RS15bpp) },
2202         { 0x116, RSCreate(RS1024x768,  RS15bpp) },
2203         { 0x191, RSCreate(RS1152x864,  RS15bpp) },
2204         { 0x119, RSCreate(RS1280x1024, RS15bpp) },
2205         { 0x199, RSCreate(RS1408x1056, RS15bpp) },
2206         { 0x11D, RSCreate(RS1600x1200, RS15bpp) },
2207         { 0x111, RSCreate(RS640x480,   RS16bpp) },
2208         { 0x182, RSCreate(RS768x576,   RS16bpp) },
2209         { 0x114, RSCreate(RS800x600,   RS16bpp) },
2210         { 0x18A, RSCreate(RS960x720,   RS16bpp) },
2211         { 0x117, RSCreate(RS1024x768,  RS16bpp) },
2212         { 0x192, RSCreate(RS1152x864,  RS16bpp) },
2213         { 0x11A, RSCreate(RS1280x1024, RS16bpp) },
2214         { 0x19A, RSCreate(RS1408x1056, RS16bpp) },
2215         { 0x11E, RSCreate(RS1600x1200, RS16bpp) },
2216         { 0x1B2, RSCreate(RS640x480,   RS24bpp) },
2217         { 0x184, RSCreate(RS768x576,   RS24bpp) },
2218         { 0x1B5, RSCreate(RS800x600,   RS24bpp) },
2219         { 0x18C, RSCreate(RS960x720,   RS24bpp) },
2220         { 0x1B8, RSCreate(RS1024x768,  RS24bpp) },
2221         { 0x194, RSCreate(RS1152x864,  RS24bpp) },
2222         { 0x1BB, RSCreate(RS1280x1024, RS24bpp) },
2223         { 0x19C, RSCreate(RS1408x1056, RS24bpp) },
2224         { 0x1BF, RSCreate(RS1600x1200, RS24bpp) },
2225         { 0x112, RSCreate(RS640x480,   RS32bpp) },
2226         { 0x183, RSCreate(RS768x576,   RS32bpp) },
2227         { 0x115, RSCreate(RS800x600,   RS32bpp) },
2228         { 0x18B, RSCreate(RS960x720,   RS32bpp) },
2229         { 0x118, RSCreate(RS1024x768,  RS32bpp) },
2230         { 0x193, RSCreate(RS1152x864,  RS32bpp) },
2231         { 0x11B, RSCreate(RS1280x1024, RS32bpp) },
2232         { 0x19B, RSCreate(RS1408x1056, RS32bpp) },
2233         { 0x11F, RSCreate(RS1600x1200, RS32bpp) },
2234         { 0x010, RSCreate(RS640x350,   RS4bpp ) },
2235         { 0x012, RSCreate(RS640x480,   RS4bpp ) },
2236         { 0x102, RSCreate(RS800x600,   RS4bpp ) },
2237         { 0x104, RSCreate(RS1024x768,  RS4bpp ) },
2238         { 0x106, RSCreate(RS1280x1024, RS4bpp ) },
2239         {     0, 0                              }};
2240
2241 static void __init matroxfb_init_params(void) {
2242         /* fh from kHz to Hz */
2243         if (fh < 1000)
2244                 fh *= 1000;     /* 1kHz minimum */
2245         /* maxclk */
2246         if (maxclk < 1000) maxclk *= 1000;      /* kHz -> Hz, MHz -> kHz */
2247         if (maxclk < 1000000) maxclk *= 1000;   /* kHz -> Hz, 1MHz minimum */
2248         /* fix VESA number */
2249         if (vesa != ~0)
2250                 vesa &= 0x1DFF;         /* mask out clearscreen, acceleration and so on */
2251
2252         /* static settings */
2253         for (RSptr = vesamap; RSptr->vesa; RSptr++) {
2254                 if (RSptr->vesa == vesa) break;
2255         }
2256         if (!RSptr->vesa) {
2257                 printk(KERN_ERR "Invalid vesa mode 0x%04X\n", vesa);
2258                 RSptr = vesamap;
2259         }
2260         {
2261                 int res = RSResolution(RSptr->info)-1;
2262                 if (left == ~0)
2263                         left = timmings[res].left;
2264                 if (!xres)
2265                         xres = timmings[res].xres;
2266                 if (right == ~0)
2267                         right = timmings[res].right;
2268                 if (!hslen)
2269                         hslen = timmings[res].hslen;
2270                 if (upper == ~0)
2271                         upper = timmings[res].upper;
2272                 if (!yres)
2273                         yres = timmings[res].yres;
2274                 if (lower == ~0)
2275                         lower = timmings[res].lower;
2276                 if (!vslen)
2277                         vslen = timmings[res].vslen;
2278                 if (!(fv||fh||maxclk||pixclock))
2279                         fv = timmings[res].vfreq;
2280                 if (depth == -1)
2281                         depth = RSDepth(RSptr->info);
2282         }
2283 }
2284
2285 static int __init matrox_init(void) {
2286         int err;
2287
2288         matroxfb_init_params();
2289         err = pci_register_driver(&matroxfb_driver);
2290         dev = -1;       /* accept all new devices... */
2291         return err;
2292 }
2293
2294 /* **************************** exit-time only **************************** */
2295
2296 static void __exit matrox_done(void) {
2297         pci_unregister_driver(&matroxfb_driver);
2298 }
2299
2300 #ifndef MODULE
2301
2302 /* ************************* init in-kernel code ************************** */
2303
2304 static int __init matroxfb_setup(char *options) {
2305         char *this_opt;
2306
2307         DBG(__func__)
2308
2309         if (!options || !*options)
2310                 return 0;
2311
2312         while ((this_opt = strsep(&options, ",")) != NULL) {
2313                 if (!*this_opt) continue;
2314
2315                 dprintk("matroxfb_setup: option %s\n", this_opt);
2316
2317                 if (!strncmp(this_opt, "dev:", 4))
2318                         dev = simple_strtoul(this_opt+4, NULL, 0);
2319                 else if (!strncmp(this_opt, "depth:", 6)) {
2320                         switch (simple_strtoul(this_opt+6, NULL, 0)) {
2321                                 case 0: depth = RSText; break;
2322                                 case 4: depth = RS4bpp; break;
2323                                 case 8: depth = RS8bpp; break;
2324                                 case 15:depth = RS15bpp; break;
2325                                 case 16:depth = RS16bpp; break;
2326                                 case 24:depth = RS24bpp; break;
2327                                 case 32:depth = RS32bpp; break;
2328                                 default:
2329                                         printk(KERN_ERR "matroxfb: unsupported color depth\n");
2330                         }
2331                 } else if (!strncmp(this_opt, "xres:", 5))
2332                         xres = simple_strtoul(this_opt+5, NULL, 0);
2333                 else if (!strncmp(this_opt, "yres:", 5))
2334                         yres = simple_strtoul(this_opt+5, NULL, 0);
2335                 else if (!strncmp(this_opt, "vslen:", 6))
2336                         vslen = simple_strtoul(this_opt+6, NULL, 0);
2337                 else if (!strncmp(this_opt, "hslen:", 6))
2338                         hslen = simple_strtoul(this_opt+6, NULL, 0);
2339                 else if (!strncmp(this_opt, "left:", 5))
2340                         left = simple_strtoul(this_opt+5, NULL, 0);
2341                 else if (!strncmp(this_opt, "right:", 6))
2342                         right = simple_strtoul(this_opt+6, NULL, 0);
2343                 else if (!strncmp(this_opt, "upper:", 6))
2344                         upper = simple_strtoul(this_opt+6, NULL, 0);
2345                 else if (!strncmp(this_opt, "lower:", 6))
2346                         lower = simple_strtoul(this_opt+6, NULL, 0);
2347                 else if (!strncmp(this_opt, "pixclock:", 9))
2348                         pixclock = simple_strtoul(this_opt+9, NULL, 0);
2349                 else if (!strncmp(this_opt, "sync:", 5))
2350                         sync = simple_strtoul(this_opt+5, NULL, 0);
2351                 else if (!strncmp(this_opt, "vesa:", 5))
2352                         vesa = simple_strtoul(this_opt+5, NULL, 0);
2353                 else if (!strncmp(this_opt, "maxclk:", 7))
2354                         maxclk = simple_strtoul(this_opt+7, NULL, 0);
2355                 else if (!strncmp(this_opt, "fh:", 3))
2356                         fh = simple_strtoul(this_opt+3, NULL, 0);
2357                 else if (!strncmp(this_opt, "fv:", 3))
2358                         fv = simple_strtoul(this_opt+3, NULL, 0);
2359                 else if (!strncmp(this_opt, "mem:", 4))
2360                         mem = simple_strtoul(this_opt+4, NULL, 0);
2361                 else if (!strncmp(this_opt, "mode:", 5))
2362                         strlcpy(videomode, this_opt+5, sizeof(videomode));
2363                 else if (!strncmp(this_opt, "outputs:", 8))
2364                         strlcpy(outputs, this_opt+8, sizeof(outputs));
2365                 else if (!strncmp(this_opt, "dfp:", 4)) {
2366                         dfp_type = simple_strtoul(this_opt+4, NULL, 0);
2367                         dfp = 1;
2368                 }
2369 #ifdef CONFIG_PPC_PMAC
2370                 else if (!strncmp(this_opt, "vmode:", 6)) {
2371                         unsigned int vmode = simple_strtoul(this_opt+6, NULL, 0);
2372                         if (vmode > 0 && vmode <= VMODE_MAX)
2373                                 default_vmode = vmode;
2374                 } else if (!strncmp(this_opt, "cmode:", 6)) {
2375                         unsigned int cmode = simple_strtoul(this_opt+6, NULL, 0);
2376                         switch (cmode) {
2377                                 case 0:
2378                                 case 8:
2379                                         default_cmode = CMODE_8;
2380                                         break;
2381                                 case 15:
2382                                 case 16:
2383                                         default_cmode = CMODE_16;
2384                                         break;
2385                                 case 24:
2386                                 case 32:
2387                                         default_cmode = CMODE_32;
2388                                         break;
2389                         }
2390                 }
2391 #endif
2392                 else if (!strcmp(this_opt, "disabled")) /* nodisabled does not exist */
2393                         disabled = 1;
2394                 else if (!strcmp(this_opt, "enabled"))  /* noenabled does not exist */
2395                         disabled = 0;
2396                 else if (!strcmp(this_opt, "sgram"))    /* nosgram == sdram */
2397                         sgram = 1;
2398                 else if (!strcmp(this_opt, "sdram"))
2399                         sgram = 0;
2400                 else if (!strncmp(this_opt, "memtype:", 8))
2401                         memtype = simple_strtoul(this_opt+8, NULL, 0);
2402                 else {
2403                         int value = 1;
2404
2405                         if (!strncmp(this_opt, "no", 2)) {
2406                                 value = 0;
2407                                 this_opt += 2;
2408                         }
2409                         if (! strcmp(this_opt, "inverse"))
2410                                 inverse = value;
2411                         else if (!strcmp(this_opt, "accel"))
2412                                 noaccel = !value;
2413                         else if (!strcmp(this_opt, "pan"))
2414                                 nopan = !value;
2415                         else if (!strcmp(this_opt, "pciretry"))
2416                                 no_pci_retry = !value;
2417                         else if (!strcmp(this_opt, "vga"))
2418                                 novga = !value;
2419                         else if (!strcmp(this_opt, "bios"))
2420                                 nobios = !value;
2421                         else if (!strcmp(this_opt, "init"))
2422                                 noinit = !value;
2423 #ifdef CONFIG_MTRR
2424                         else if (!strcmp(this_opt, "mtrr"))
2425                                 mtrr = value;
2426 #endif
2427                         else if (!strcmp(this_opt, "inv24"))
2428                                 inv24 = value;
2429                         else if (!strcmp(this_opt, "cross4MB"))
2430                                 cross4MB = value;
2431                         else if (!strcmp(this_opt, "grayscale"))
2432                                 grayscale = value;
2433                         else if (!strcmp(this_opt, "dfp"))
2434                                 dfp = value;
2435                         else {
2436                                 strlcpy(videomode, this_opt, sizeof(videomode));
2437                         }
2438                 }
2439         }
2440         return 0;
2441 }
2442
2443 static int __initdata initialized = 0;
2444
2445 static int __init matroxfb_init(void)
2446 {
2447         char *option = NULL;
2448         int err = 0;
2449
2450         DBG(__func__)
2451
2452         if (fb_get_options("matroxfb", &option))
2453                 return -ENODEV;
2454         matroxfb_setup(option);
2455
2456         if (disabled)
2457                 return -ENXIO;
2458         if (!initialized) {
2459                 initialized = 1;
2460                 err = matrox_init();
2461         }
2462         hotplug = 1;
2463         /* never return failure, user can hotplug matrox later... */
2464         return err;
2465 }
2466
2467 module_init(matroxfb_init);
2468
2469 #else
2470
2471 /* *************************** init module code **************************** */
2472
2473 MODULE_AUTHOR("(c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>");
2474 MODULE_DESCRIPTION("Accelerated FBDev driver for Matrox Millennium/Mystique/G100/G200/G400/G450/G550");
2475 MODULE_LICENSE("GPL");
2476
2477 module_param(mem, int, 0);
2478 MODULE_PARM_DESC(mem, "Size of available memory in MB, KB or B (2,4,8,12,16MB, default=autodetect)");
2479 module_param(disabled, int, 0);
2480 MODULE_PARM_DESC(disabled, "Disabled (0 or 1=disabled) (default=0)");
2481 module_param(noaccel, int, 0);
2482 MODULE_PARM_DESC(noaccel, "Do not use accelerating engine (0 or 1=disabled) (default=0)");
2483 module_param(nopan, int, 0);
2484 MODULE_PARM_DESC(nopan, "Disable pan on startup (0 or 1=disabled) (default=0)");
2485 module_param(no_pci_retry, int, 0);
2486 MODULE_PARM_DESC(no_pci_retry, "PCI retries enabled (0 or 1=disabled) (default=0)");
2487 module_param(novga, int, 0);
2488 MODULE_PARM_DESC(novga, "VGA I/O (0x3C0-0x3DF) disabled (0 or 1=disabled) (default=0)");
2489 module_param(nobios, int, 0);
2490 MODULE_PARM_DESC(nobios, "Disables ROM BIOS (0 or 1=disabled) (default=do not change BIOS state)");
2491 module_param(noinit, int, 0);
2492 MODULE_PARM_DESC(noinit, "Disables W/SG/SD-RAM and bus interface initialization (0 or 1=do not initialize) (default=0)");
2493 module_param(memtype, int, 0);
2494 MODULE_PARM_DESC(memtype, "Memory type for G200/G400 (see Documentation/fb/matroxfb.txt for explanation) (default=3 for G200, 0 for G400)");
2495 #ifdef CONFIG_MTRR
2496 module_param(mtrr, int, 0);
2497 MODULE_PARM_DESC(mtrr, "This speeds up video memory accesses (0=disabled or 1) (default=1)");
2498 #endif
2499 module_param(sgram, int, 0);
2500 MODULE_PARM_DESC(sgram, "Indicates that G100/G200/G400 has SGRAM memory (0=SDRAM, 1=SGRAM) (default=0)");
2501 module_param(inv24, int, 0);
2502 MODULE_PARM_DESC(inv24, "Inverts clock polarity for 24bpp and loop frequency > 100MHz (default=do not invert polarity)");
2503 module_param(inverse, int, 0);
2504 MODULE_PARM_DESC(inverse, "Inverse (0 or 1) (default=0)");
2505 module_param(dev, int, 0);
2506 MODULE_PARM_DESC(dev, "Multihead support, attach to device ID (0..N) (default=all working)");
2507 module_param(vesa, int, 0);
2508 MODULE_PARM_DESC(vesa, "Startup videomode (0x000-0x1FF) (default=0x101)");
2509 module_param(xres, int, 0);
2510 MODULE_PARM_DESC(xres, "Horizontal resolution (px), overrides xres from vesa (default=vesa)");
2511 module_param(yres, int, 0);
2512 MODULE_PARM_DESC(yres, "Vertical resolution (scans), overrides yres from vesa (default=vesa)");
2513 module_param(upper, int, 0);
2514 MODULE_PARM_DESC(upper, "Upper blank space (scans), overrides upper from vesa (default=vesa)");
2515 module_param(lower, int, 0);
2516 MODULE_PARM_DESC(lower, "Lower blank space (scans), overrides lower from vesa (default=vesa)");
2517 module_param(vslen, int, 0);
2518 MODULE_PARM_DESC(vslen, "Vertical sync length (scans), overrides lower from vesa (default=vesa)");
2519 module_param(left, int, 0);
2520 MODULE_PARM_DESC(left, "Left blank space (px), overrides left from vesa (default=vesa)");
2521 module_param(right, int, 0);
2522 MODULE_PARM_DESC(right, "Right blank space (px), overrides right from vesa (default=vesa)");
2523 module_param(hslen, int, 0);
2524 MODULE_PARM_DESC(hslen, "Horizontal sync length (px), overrides hslen from vesa (default=vesa)");
2525 module_param(pixclock, int, 0);
2526 MODULE_PARM_DESC(pixclock, "Pixelclock (ns), overrides pixclock from vesa (default=vesa)");
2527 module_param(sync, int, 0);
2528 MODULE_PARM_DESC(sync, "Sync polarity, overrides sync from vesa (default=vesa)");
2529 module_param(depth, int, 0);
2530 MODULE_PARM_DESC(depth, "Color depth (0=text,8,15,16,24,32) (default=vesa)");
2531 module_param(maxclk, int, 0);
2532 MODULE_PARM_DESC(maxclk, "Startup maximal clock, 0-999MHz, 1000-999999kHz, 1000000-INF Hz");
2533 module_param(fh, int, 0);
2534 MODULE_PARM_DESC(fh, "Startup horizontal frequency, 0-999kHz, 1000-INF Hz");
2535 module_param(fv, int, 0);
2536 MODULE_PARM_DESC(fv, "Startup vertical frequency, 0-INF Hz\n"
2537 "You should specify \"fv:max_monitor_vsync,fh:max_monitor_hsync,maxclk:max_monitor_dotclock\"");
2538 module_param(grayscale, int, 0);
2539 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)");
2540 module_param(cross4MB, int, 0);
2541 MODULE_PARM_DESC(cross4MB, "Specifies that 4MB boundary can be in middle of line. (default=autodetected)");
2542 module_param(dfp, int, 0);
2543 MODULE_PARM_DESC(dfp, "Specifies whether to use digital flat panel interface of G200/G400 (0 or 1) (default=0)");
2544 module_param(dfp_type, int, 0);
2545 MODULE_PARM_DESC(dfp_type, "Specifies DFP interface type (0 to 255) (default=read from hardware)");
2546 module_param_string(outputs, outputs, sizeof(outputs), 0);
2547 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)");
2548 #ifdef CONFIG_PPC_PMAC
2549 module_param_named(vmode, default_vmode, int, 0);
2550 MODULE_PARM_DESC(vmode, "Specify the vmode mode number that should be used (640x480 default)");
2551 module_param_named(cmode, default_cmode, int, 0);
2552 MODULE_PARM_DESC(cmode, "Specify the video depth that should be used (8bit default)");
2553 #endif
2554
2555 int __init init_module(void){
2556
2557         DBG(__func__)
2558
2559         if (disabled)
2560                 return -ENXIO;
2561
2562         if (depth == 0)
2563                 depth = RSText;
2564         else if (depth == 4)
2565                 depth = RS4bpp;
2566         else if (depth == 8)
2567                 depth = RS8bpp;
2568         else if (depth == 15)
2569                 depth = RS15bpp;
2570         else if (depth == 16)
2571                 depth = RS16bpp;
2572         else if (depth == 24)
2573                 depth = RS24bpp;
2574         else if (depth == 32)
2575                 depth = RS32bpp;
2576         else if (depth != -1) {
2577                 printk(KERN_ERR "matroxfb: depth %d is not supported, using default\n", depth);
2578                 depth = -1;
2579         }
2580         matrox_init();
2581         /* never return failure; user can hotplug matrox later... */
2582         return 0;
2583 }
2584 #endif  /* MODULE */
2585
2586 module_exit(matrox_done);
2587 EXPORT_SYMBOL(matroxfb_register_driver);
2588 EXPORT_SYMBOL(matroxfb_unregister_driver);
2589 EXPORT_SYMBOL(matroxfb_wait_for_sync);
2590 EXPORT_SYMBOL(matroxfb_enable_irq);
2591
2592 /*
2593  * Overrides for Emacs so that we follow Linus's tabbing style.
2594  * ---------------------------------------------------------------------------
2595  * Local variables:
2596  * c-basic-offset: 8
2597  * End:
2598  */
2599