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