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