kernel/drivers/video/fbdev/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 };
 151
 152
 153
 154 /* --------------------------------------------------------------------- */
 155 static void update_crtc2(struct matrox_fb_info *minfo, unsigned int pos)
 156 {
 157         struct matroxfb_dh_fb_info *info = minfo->crtc2.info;
 158
 159         /* Make sure that displays are compatible */
 160         if (info && (info->fbcon.var.bits_per_pixel == minfo->fbcon.var.bits_per_pixel)
 161                  && (info->fbcon.var.xres_virtual == minfo->fbcon.var.xres_virtual)
 162                  && (info->fbcon.var.green.length == minfo->fbcon.var.green.length)
 163                  ) {
 164                 switch (minfo->fbcon.var.bits_per_pixel) {
 165                         case 16:
 166                         case 32:
 167                                 pos = pos * 8;
 168                                 if (info->interlaced) {
 169                                         mga_outl(0x3C2C, pos);
 170                                         mga_outl(0x3C28, pos + minfo->fbcon.var.xres_virtual * minfo->fbcon.var.bits_per_pixel / 8);
 171                                 } else {
 172                                         mga_outl(0x3C28, pos);
 173                                 }
 174                                 break;
 175                 }
 176         }
 177 }
 178
 179 static void matroxfb_crtc1_panpos(struct matrox_fb_info *minfo)
 180 {
 181         if (minfo->crtc1.panpos >= 0) {
 182                 unsigned long flags;
 183                 int panpos;
 184
 185                 matroxfb_DAC_lock_irqsave(flags);
 186                 panpos = minfo->crtc1.panpos;
 187                 if (panpos >= 0) {
 188                         unsigned int extvga_reg;
 189
 190                         minfo->crtc1.panpos = -1; /* No update pending anymore */
 191                         extvga_reg = mga_inb(M_EXTVGA_INDEX);
 192                         mga_setr(M_EXTVGA_INDEX, 0x00, panpos);
 193                         if (extvga_reg != 0x00) {
 194                                 mga_outb(M_EXTVGA_INDEX, extvga_reg);
 195                         }
 196                 }
 197                 matroxfb_DAC_unlock_irqrestore(flags);
 198         }
 199 }
 200
 201 static irqreturn_t matrox_irq(int irq, void *dev_id)
 202 {
 203         u_int32_t status;
 204         int handled = 0;
 205         struct matrox_fb_info *minfo = dev_id;
 206
 207         status = mga_inl(M_STATUS);
 208
 209         if (status & 0x20) {
 210                 mga_outl(M_ICLEAR, 0x20);
 211                 minfo->crtc1.vsync.cnt++;
 212                 matroxfb_crtc1_panpos(minfo);
 213                 wake_up_interruptible(&minfo->crtc1.vsync.wait);
 214                 handled = 1;
 215         }
 216         if (status & 0x200) {
 217                 mga_outl(M_ICLEAR, 0x200);
 218                 minfo->crtc2.vsync.cnt++;
 219                 wake_up_interruptible(&minfo->crtc2.vsync.wait);
 220                 handled = 1;
 221         }
 222         return IRQ_RETVAL(handled);
 223 }
 224
 225 int matroxfb_enable_irq(struct matrox_fb_info *minfo, int reenable)
 226 {
 227         u_int32_t bm;
 228
 229         if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400)
 230                 bm = 0x220;
 231         else
 232                 bm = 0x020;
 233
 234         if (!test_and_set_bit(0, &minfo->irq_flags)) {
 235                 if (request_irq(minfo->pcidev->irq, matrox_irq,
 236                                 IRQF_SHARED, "matroxfb", minfo)) {
 237                         clear_bit(0, &minfo->irq_flags);
 238                         return -EINVAL;
 239                 }
 240                 /* Clear any pending field interrupts */
 241                 mga_outl(M_ICLEAR, bm);
 242                 mga_outl(M_IEN, mga_inl(M_IEN) | bm);
 243         } else if (reenable) {
 244                 u_int32_t ien;
 245
 246                 ien = mga_inl(M_IEN);
 247                 if ((ien & bm) != bm) {
 248                         printk(KERN_DEBUG "matroxfb: someone disabled IRQ [%08X]\n", ien);
 249                         mga_outl(M_IEN, ien | bm);
 250                 }
 251         }
 252         return 0;
 253 }
 254
 255 static void matroxfb_disable_irq(struct matrox_fb_info *minfo)
 256 {
 257         if (test_and_clear_bit(0, &minfo->irq_flags)) {
 258                 /* Flush pending pan-at-vbl request... */
 259                 matroxfb_crtc1_panpos(minfo);
 260                 if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400)
 261                         mga_outl(M_IEN, mga_inl(M_IEN) & ~0x220);
 262                 else
 263                         mga_outl(M_IEN, mga_inl(M_IEN) & ~0x20);
 264                 free_irq(minfo->pcidev->irq, minfo);
 265         }
 266 }
 267
 268 int matroxfb_wait_for_sync(struct matrox_fb_info *minfo, u_int32_t crtc)
 269 {
 270         struct matrox_vsync *vs;
 271         unsigned int cnt;
 272         int ret;
 273
 274         switch (crtc) {
 275                 case 0:
 276                         vs = &minfo->crtc1.vsync;
 277                         break;
 278                 case 1:
 279                         if (minfo->devflags.accelerator != FB_ACCEL_MATROX_MGAG400) {
 280                                 return -ENODEV;
 281                         }
 282                         vs = &minfo->crtc2.vsync;
 283                         break;
 284                 default:
 285                         return -ENODEV;
 286         }
 287         ret = matroxfb_enable_irq(minfo, 0);
 288         if (ret) {
 289                 return ret;
 290         }
 291
 292         cnt = vs->cnt;
 293         ret = wait_event_interruptible_timeout(vs->wait, cnt != vs->cnt, HZ/10);
 294         if (ret < 0) {
 295                 return ret;
 296         }
 297         if (ret == 0) {
 298                 matroxfb_enable_irq(minfo, 1);
 299                 return -ETIMEDOUT;
 300         }
 301         return 0;
 302 }
 303
 304 /* --------------------------------------------------------------------- */
 305
 306 static void matrox_pan_var(struct matrox_fb_info *minfo,
 307                            struct fb_var_screeninfo *var)
 308 {
 309         unsigned int pos;
 310         unsigned short p0, p1, p2;
 311         unsigned int p3;
 312         int vbl;
 313         unsigned long flags;
 314
 315         CRITFLAGS
 316
 317         DBG(__func__)
 318
 319         if (minfo->dead)
 320                 return;
 321
 322         minfo->fbcon.var.xoffset = var->xoffset;
 323         minfo->fbcon.var.yoffset = var->yoffset;
 324         pos = (minfo->fbcon.var.yoffset * minfo->fbcon.var.xres_virtual + minfo->fbcon.var.xoffset) * minfo->curr.final_bppShift / 32;
 325         pos += minfo->curr.ydstorg.chunks;
 326         p0 = minfo->hw.CRTC[0x0D] = pos & 0xFF;
 327         p1 = minfo->hw.CRTC[0x0C] = (pos & 0xFF00) >> 8;
 328         p2 = minfo->hw.CRTCEXT[0] = (minfo->hw.CRTCEXT[0] & 0xB0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
 329         p3 = minfo->hw.CRTCEXT[8] = pos >> 21;
 330
 331         /* FB_ACTIVATE_VBL and we can acquire interrupts? Honor FB_ACTIVATE_VBL then... */
 332         vbl = (var->activate & FB_ACTIVATE_VBL) && (matroxfb_enable_irq(minfo, 0) == 0);
 333
 334         CRITBEGIN
 335
 336         matroxfb_DAC_lock_irqsave(flags);
 337         mga_setr(M_CRTC_INDEX, 0x0D, p0);
 338         mga_setr(M_CRTC_INDEX, 0x0C, p1);
 339         if (minfo->devflags.support32MB)
 340                 mga_setr(M_EXTVGA_INDEX, 0x08, p3);
 341         if (vbl) {
 342                 minfo->crtc1.panpos = p2;
 343         } else {
 344                 /* Abort any pending change */
 345                 minfo->crtc1.panpos = -1;
 346                 mga_setr(M_EXTVGA_INDEX, 0x00, p2);
 347         }
 348         matroxfb_DAC_unlock_irqrestore(flags);
 349
 350         update_crtc2(minfo, pos);
 351
 352         CRITEND
 353 }
 354
 355 static void matroxfb_remove(struct matrox_fb_info *minfo, int dummy)
 356 {
 357         /* Currently we are holding big kernel lock on all dead & usecount updates.
 358          * Destroy everything after all users release it. Especially do not unregister
 359          * framebuffer and iounmap memory, neither fbmem nor fbcon-cfb* does not check
 360          * for device unplugged when in use.
 361          * In future we should point mmio.vbase & video.vbase somewhere where we can
 362          * write data without causing too much damage...
 363          */
 364
 365         minfo->dead = 1;
 366         if (minfo->usecount) {
 367                 /* destroy it later */
 368                 return;
 369         }
 370         matroxfb_unregister_device(minfo);
 371         unregister_framebuffer(&minfo->fbcon);
 372         matroxfb_g450_shutdown(minfo);
 373         arch_phys_wc_del(minfo->wc_cookie);
 374         iounmap(minfo->mmio.vbase.vaddr);
 375         iounmap(minfo->video.vbase.vaddr);
 376         release_mem_region(minfo->video.base, minfo->video.len_maximum);
 377         release_mem_region(minfo->mmio.base, 16384);
 378         kfree(minfo);
 379 }
 380
 381         /*
 382          * Open/Release the frame buffer device
 383          */
 384
 385 static int matroxfb_open(struct fb_info *info, int user)
 386 {
 387         struct matrox_fb_info *minfo = info2minfo(info);
 388
 389         DBG_LOOP(__func__)
 390
 391         if (minfo->dead) {
 392                 return -ENXIO;
 393         }
 394         minfo->usecount++;
 395         if (user) {
 396                 minfo->userusecount++;
 397         }
 398         return(0);
 399 }
 400
 401 static int matroxfb_release(struct fb_info *info, int user)
 402 {
 403         struct matrox_fb_info *minfo = info2minfo(info);
 404
 405         DBG_LOOP(__func__)
 406
 407         if (user) {
 408                 if (0 == --minfo->userusecount) {
 409                         matroxfb_disable_irq(minfo);
 410                 }
 411         }
 412         if (!(--minfo->usecount) && minfo->dead) {
 413                 matroxfb_remove(minfo, 0);
 414         }
 415         return(0);
 416 }
 417
 418 static int matroxfb_pan_display(struct fb_var_screeninfo *var,
 419                 struct fb_info* info) {
 420         struct matrox_fb_info *minfo = info2minfo(info);
 421
 422         DBG(__func__)
 423
 424         matrox_pan_var(minfo, var);
 425         return 0;
 426 }
 427
 428 static int matroxfb_get_final_bppShift(const struct matrox_fb_info *minfo,
 429                                        int bpp)
 430 {
 431         int bppshft2;
 432
 433         DBG(__func__)
 434
 435         bppshft2 = bpp;
 436         if (!bppshft2) {
 437                 return 8;
 438         }
 439         if (isInterleave(minfo))
 440                 bppshft2 >>= 1;
 441         if (minfo->devflags.video64bits)
 442                 bppshft2 >>= 1;
 443         return bppshft2;
 444 }
 445
 446 static int matroxfb_test_and_set_rounding(const struct matrox_fb_info *minfo,
 447                                           int xres, int bpp)
 448 {
 449         int over;
 450         int rounding;
 451
 452         DBG(__func__)
 453
 454         switch (bpp) {
 455                 case 0:         return xres;
 456                 case 4:         rounding = 128;
 457                                 break;
 458                 case 8:         rounding = 64;  /* doc says 64; 32 is OK for G400 */
 459                                 break;
 460                 case 16:        rounding = 32;
 461                                 break;
 462                 case 24:        rounding = 64;  /* doc says 64; 32 is OK for G400 */
 463                                 break;
 464                 default:        rounding = 16;
 465                                 /* on G400, 16 really does not work */
 466                                 if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400)
 467                                         rounding = 32;
 468                                 break;
 469         }
 470         if (isInterleave(minfo)) {
 471                 rounding *= 2;
 472         }
 473         over = xres % rounding;
 474         if (over)
 475                 xres += rounding-over;
 476         return xres;
 477 }
 478
 479 static int matroxfb_pitch_adjust(const struct matrox_fb_info *minfo, int xres,
 480                                  int bpp)
 481 {
 482         const int* width;
 483         int xres_new;
 484
 485         DBG(__func__)
 486
 487         if (!bpp) return xres;
 488
 489         width = minfo->capable.vxres;
 490
 491         if (minfo->devflags.precise_width) {
 492                 while (*width) {
 493                         if ((*width >= xres) && (matroxfb_test_and_set_rounding(minfo, *width, bpp) == *width)) {
 494                                 break;
 495                         }
 496                         width++;
 497                 }
 498                 xres_new = *width;
 499         } else {
 500                 xres_new = matroxfb_test_and_set_rounding(minfo, xres, bpp);
 501         }
 502         return xres_new;
 503 }
 504
 505 static int matroxfb_get_cmap_len(struct fb_var_screeninfo *var) {
 506
 507         DBG(__func__)
 508
 509         switch (var->bits_per_pixel) {
 510                 case 4:
 511                         return 16;      /* pseudocolor... 16 entries HW palette */
 512                 case 8:
 513                         return 256;     /* pseudocolor... 256 entries HW palette */
 514                 case 16:
 515                         return 16;      /* directcolor... 16 entries SW palette */
 516                                         /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 517                 case 24:
 518                         return 16;      /* directcolor... 16 entries SW palette */
 519                                         /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 520                 case 32:
 521                         return 16;      /* directcolor... 16 entries SW palette */
 522                                         /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 523         }
 524         return 16;      /* return something reasonable... or panic()? */
 525 }
 526
 527 static int matroxfb_decode_var(const struct matrox_fb_info *minfo,
 528                                struct fb_var_screeninfo *var, int *visual,
 529                                int *video_cmap_len, unsigned int* ydstorg)
 530 {
 531         struct RGBT {
 532                 unsigned char bpp;
 533                 struct {
 534                         unsigned char offset,
 535                                       length;
 536                 } red,
 537                   green,
 538                   blue,
 539                   transp;
 540                 signed char visual;
 541         };
 542         static const struct RGBT table[]= {
 543                 { 8,{ 0,8},{0,8},{0,8},{ 0,0},MX_VISUAL_PSEUDOCOLOR},
 544                 {15,{10,5},{5,5},{0,5},{15,1},MX_VISUAL_DIRECTCOLOR},
 545                 {16,{11,5},{5,6},{0,5},{ 0,0},MX_VISUAL_DIRECTCOLOR},
 546                 {24,{16,8},{8,8},{0,8},{ 0,0},MX_VISUAL_DIRECTCOLOR},
 547                 {32,{16,8},{8,8},{0,8},{24,8},MX_VISUAL_DIRECTCOLOR}
 548         };
 549         struct RGBT const *rgbt;
 550         unsigned int bpp = var->bits_per_pixel;
 551         unsigned int vramlen;
 552         unsigned int memlen;
 553
 554         DBG(__func__)
 555
 556         switch (bpp) {
 557                 case 4:  if (!minfo->capable.cfb4) return -EINVAL;
 558                          break;
 559                 case 8:  break;
 560                 case 16: break;
 561                 case 24: break;
 562                 case 32: break;
 563                 default: return -EINVAL;
 564         }
 565         *ydstorg = 0;
 566         vramlen = minfo->video.len_usable;
 567         if (var->yres_virtual < var->yres)
 568                 var->yres_virtual = var->yres;
 569         if (var->xres_virtual < var->xres)
 570                 var->xres_virtual = var->xres;
 571
 572         var->xres_virtual = matroxfb_pitch_adjust(minfo, var->xres_virtual, bpp);
 573         memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
 574         if (memlen > vramlen) {
 575                 var->yres_virtual = vramlen * 8 / (var->xres_virtual * bpp);
 576                 memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
 577         }
 578         /* There is hardware bug that no line can cross 4MB boundary */
 579         /* give up for CFB24, it is impossible to easy workaround it */
 580         /* for other try to do something */
 581         if (!minfo->capable.cross4MB && (memlen > 0x400000)) {
 582                 if (bpp == 24) {
 583                         /* sorry */
 584                 } else {
 585                         unsigned int linelen;
 586                         unsigned int m1 = linelen = var->xres_virtual * bpp / 8;
 587                         unsigned int m2 = PAGE_SIZE;    /* or 128 if you do not need PAGE ALIGNED address */
 588                         unsigned int max_yres;
 589
 590                         while (m1) {
 591                                 while (m2 >= m1) m2 -= m1;
 592                                 swap(m1, m2);
 593                         }
 594                         m2 = linelen * PAGE_SIZE / m2;
 595                         *ydstorg = m2 = 0x400000 % m2;
 596                         max_yres = (vramlen - m2) / linelen;
 597                         if (var->yres_virtual > max_yres)
 598                                 var->yres_virtual = max_yres;
 599                 }
 600         }
 601         /* YDSTLEN contains only signed 16bit value */
 602         if (var->yres_virtual > 32767)
 603                 var->yres_virtual = 32767;
 604         /* we must round yres/xres down, we already rounded y/xres_virtual up
 605            if it was possible. We should return -EINVAL, but I disagree */
 606         if (var->yres_virtual < var->yres)
 607                 var->yres = var->yres_virtual;
 608         if (var->xres_virtual < var->xres)
 609                 var->xres = var->xres_virtual;
 610         if (var->xoffset + var->xres > var->xres_virtual)
 611                 var->xoffset = var->xres_virtual - var->xres;
 612         if (var->yoffset + var->yres > var->yres_virtual)
 613                 var->yoffset = var->yres_virtual - var->yres;
 614
 615         if (bpp == 16 && var->green.length == 5) {
 616                 bpp--; /* an artificial value - 15 */
 617         }
 618
 619         for (rgbt = table; rgbt->bpp < bpp; rgbt++);
 620 #define SETCLR(clr)\
 621         var->clr.offset = rgbt->clr.offset;\
 622         var->clr.length = rgbt->clr.length
 623         SETCLR(red);
 624         SETCLR(green);
 625         SETCLR(blue);
 626         SETCLR(transp);
 627 #undef  SETCLR
 628         *visual = rgbt->visual;
 629
 630         if (bpp > 8)
 631                 dprintk("matroxfb: truecolor: "
 632                         "size=%d:%d:%d:%d, shift=%d:%d:%d:%d\n",
 633                         var->transp.length, var->red.length, var->green.length, var->blue.length,
 634                         var->transp.offset, var->red.offset, var->green.offset, var->blue.offset);
 635
 636         *video_cmap_len = matroxfb_get_cmap_len(var);
 637         dprintk(KERN_INFO "requested %d*%d/%dbpp (%d*%d)\n", var->xres, var->yres, var->bits_per_pixel,
 638                                 var->xres_virtual, var->yres_virtual);
 639         return 0;
 640 }
 641
 642 static int matroxfb_setcolreg(unsigned regno, unsigned red, unsigned green,
 643                               unsigned blue, unsigned transp,
 644                               struct fb_info *fb_info)
 645 {
 646         struct matrox_fb_info* minfo = container_of(fb_info, struct matrox_fb_info, fbcon);
 647
 648         DBG(__func__)
 649
 650         /*
 651          *  Set a single color register. The values supplied are
 652          *  already rounded down to the hardware's capabilities
 653          *  (according to the entries in the `var' structure). Return
 654          *  != 0 for invalid regno.
 655          */
 656
 657         if (regno >= minfo->curr.cmap_len)
 658                 return 1;
 659
 660         if (minfo->fbcon.var.grayscale) {
 661                 /* gray = 0.30*R + 0.59*G + 0.11*B */
 662                 red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
 663         }
 664
 665         red = CNVT_TOHW(red, minfo->fbcon.var.red.length);
 666         green = CNVT_TOHW(green, minfo->fbcon.var.green.length);
 667         blue = CNVT_TOHW(blue, minfo->fbcon.var.blue.length);
 668         transp = CNVT_TOHW(transp, minfo->fbcon.var.transp.length);
 669
 670         switch (minfo->fbcon.var.bits_per_pixel) {
 671         case 4:
 672         case 8:
 673                 mga_outb(M_DAC_REG, regno);
 674                 mga_outb(M_DAC_VAL, red);
 675                 mga_outb(M_DAC_VAL, green);
 676                 mga_outb(M_DAC_VAL, blue);
 677                 break;
 678         case 16:
 679                 if (regno >= 16)
 680                         break;
 681                 {
 682                         u_int16_t col =
 683                                 (red << minfo->fbcon.var.red.offset)     |
 684                                 (green << minfo->fbcon.var.green.offset) |
 685                                 (blue << minfo->fbcon.var.blue.offset)   |
 686                                 (transp << minfo->fbcon.var.transp.offset); /* for 1:5:5:5 */
 687                         minfo->cmap[regno] = col | (col << 16);
 688                 }
 689                 break;
 690         case 24:
 691         case 32:
 692                 if (regno >= 16)
 693                         break;
 694                 minfo->cmap[regno] =
 695                         (red   << minfo->fbcon.var.red.offset)   |
 696                         (green << minfo->fbcon.var.green.offset) |
 697                         (blue  << minfo->fbcon.var.blue.offset)  |
 698                         (transp << minfo->fbcon.var.transp.offset);     /* 8:8:8:8 */
 699                 break;
 700         }
 701         return 0;
 702 }
 703
 704 static void matroxfb_init_fix(struct matrox_fb_info *minfo)
 705 {
 706         struct fb_fix_screeninfo *fix = &minfo->fbcon.fix;
 707         DBG(__func__)
 708
 709         strcpy(fix->id,"MATROX");
 710
 711         fix->xpanstep = 8;      /* 8 for 8bpp, 4 for 16bpp, 2 for 32bpp */
 712         fix->ypanstep = 1;
 713         fix->ywrapstep = 0;
 714         fix->mmio_start = minfo->mmio.base;
 715         fix->mmio_len = minfo->mmio.len;
 716         fix->accel = minfo->devflags.accelerator;
 717 }
 718
 719 static void matroxfb_update_fix(struct matrox_fb_info *minfo)
 720 {
 721         struct fb_fix_screeninfo *fix = &minfo->fbcon.fix;
 722         DBG(__func__)
 723
 724         mutex_lock(&minfo->fbcon.mm_lock);
 725         fix->smem_start = minfo->video.base + minfo->curr.ydstorg.bytes;
 726         fix->smem_len = minfo->video.len_usable - minfo->curr.ydstorg.bytes;
 727         mutex_unlock(&minfo->fbcon.mm_lock);
 728 }
 729
 730 static int matroxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 731 {
 732         int err;
 733         int visual;
 734         int cmap_len;
 735         unsigned int ydstorg;
 736         struct matrox_fb_info *minfo = info2minfo(info);
 737
 738         if (minfo->dead) {
 739                 return -ENXIO;
 740         }
 741         if ((err = matroxfb_decode_var(minfo, var, &visual, &cmap_len, &ydstorg)) != 0)
 742                 return err;
 743         return 0;
 744 }
 745
 746 static int matroxfb_set_par(struct fb_info *info)
 747 {
 748         int err;
 749         int visual;
 750         int cmap_len;
 751         unsigned int ydstorg;
 752         struct fb_var_screeninfo *var;
 753         struct matrox_fb_info *minfo = info2minfo(info);
 754
 755         DBG(__func__)
 756
 757         if (minfo->dead) {
 758                 return -ENXIO;
 759         }
 760
 761         var = &info->var;
 762         if ((err = matroxfb_decode_var(minfo, var, &visual, &cmap_len, &ydstorg)) != 0)
 763                 return err;
 764         minfo->fbcon.screen_base = vaddr_va(minfo->video.vbase) + ydstorg;
 765         matroxfb_update_fix(minfo);
 766         minfo->fbcon.fix.visual = visual;
 767         minfo->fbcon.fix.type = FB_TYPE_PACKED_PIXELS;
 768         minfo->fbcon.fix.type_aux = 0;
 769         minfo->fbcon.fix.line_length = (var->xres_virtual * var->bits_per_pixel) >> 3;
 770         {
 771                 unsigned int pos;
 772
 773                 minfo->curr.cmap_len = cmap_len;
 774                 ydstorg += minfo->devflags.ydstorg;
 775                 minfo->curr.ydstorg.bytes = ydstorg;
 776                 minfo->curr.ydstorg.chunks = ydstorg >> (isInterleave(minfo) ? 3 : 2);
 777                 if (var->bits_per_pixel == 4)
 778                         minfo->curr.ydstorg.pixels = ydstorg;
 779                 else
 780                         minfo->curr.ydstorg.pixels = (ydstorg * 8) / var->bits_per_pixel;
 781                 minfo->curr.final_bppShift = matroxfb_get_final_bppShift(minfo, var->bits_per_pixel);
 782                 {       struct my_timming mt;
 783                         struct matrox_hw_state* hw;
 784                         int out;
 785
 786                         matroxfb_var2my(var, &mt);
 787                         mt.crtc = MATROXFB_SRC_CRTC1;
 788                         /* CRTC1 delays */
 789                         switch (var->bits_per_pixel) {
 790                                 case  0:        mt.delay = 31 + 0; break;
 791                                 case 16:        mt.delay = 21 + 8; break;
 792                                 case 24:        mt.delay = 17 + 8; break;
 793                                 case 32:        mt.delay = 16 + 8; break;
 794                                 default:        mt.delay = 31 + 8; break;
 795                         }
 796
 797                         hw = &minfo->hw;
 798
 799                         down_read(&minfo->altout.lock);
 800                         for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 801                                 if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 &&
 802                                     minfo->outputs[out].output->compute) {
 803                                         minfo->outputs[out].output->compute(minfo->outputs[out].data, &mt);
 804                                 }
 805                         }
 806                         up_read(&minfo->altout.lock);
 807                         minfo->crtc1.pixclock = mt.pixclock;
 808                         minfo->crtc1.mnp = mt.mnp;
 809                         minfo->hw_switch->init(minfo, &mt);
 810                         pos = (var->yoffset * var->xres_virtual + var->xoffset) * minfo->curr.final_bppShift / 32;
 811                         pos += minfo->curr.ydstorg.chunks;
 812
 813                         hw->CRTC[0x0D] = pos & 0xFF;
 814                         hw->CRTC[0x0C] = (pos & 0xFF00) >> 8;
 815                         hw->CRTCEXT[0] = (hw->CRTCEXT[0] & 0xF0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
 816                         hw->CRTCEXT[8] = pos >> 21;
 817                         minfo->hw_switch->restore(minfo);
 818                         update_crtc2(minfo, pos);
 819                         down_read(&minfo->altout.lock);
 820                         for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 821                                 if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 &&
 822                                     minfo->outputs[out].output->program) {
 823                                         minfo->outputs[out].output->program(minfo->outputs[out].data);
 824                                 }
 825                         }
 826                         for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 827                                 if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 &&
 828                                     minfo->outputs[out].output->start) {
 829                                         minfo->outputs[out].output->start(minfo->outputs[out].data);
 830                                 }
 831                         }
 832                         up_read(&minfo->altout.lock);
 833                         matrox_cfbX_init(minfo);
 834                 }
 835         }
 836         minfo->initialized = 1;
 837         return 0;
 838 }
 839
 840 static int matroxfb_get_vblank(struct matrox_fb_info *minfo,
 841                                struct fb_vblank *vblank)
 842 {
 843         unsigned int sts1;
 844
 845         matroxfb_enable_irq(minfo, 0);
 846         memset(vblank, 0, sizeof(*vblank));
 847         vblank->flags = FB_VBLANK_HAVE_VCOUNT | FB_VBLANK_HAVE_VSYNC |
 848                         FB_VBLANK_HAVE_VBLANK | FB_VBLANK_HAVE_HBLANK;
 849         sts1 = mga_inb(M_INSTS1);
 850         vblank->vcount = mga_inl(M_VCOUNT);
 851         /* BTW, on my PIII/450 with G400, reading M_INSTS1
 852            byte makes this call about 12% slower (1.70 vs. 2.05 us
 853            per ioctl()) */
 854         if (sts1 & 1)
 855                 vblank->flags |= FB_VBLANK_HBLANKING;
 856         if (sts1 & 8)
 857                 vblank->flags |= FB_VBLANK_VSYNCING;
 858         if (vblank->vcount >= minfo->fbcon.var.yres)
 859                 vblank->flags |= FB_VBLANK_VBLANKING;
 860         if (test_bit(0, &minfo->irq_flags)) {
 861                 vblank->flags |= FB_VBLANK_HAVE_COUNT;
 862                 /* Only one writer, aligned int value...
 863                    it should work without lock and without atomic_t */
 864                 vblank->count = minfo->crtc1.vsync.cnt;
 865         }
 866         return 0;
 867 }
 868
 869 static struct matrox_altout panellink_output = {
 870         .name    = "Panellink output",
 871 };
 872
 873 static int matroxfb_ioctl(struct fb_info *info,
 874                           unsigned int cmd, unsigned long arg)
 875 {
 876         void __user *argp = (void __user *)arg;
 877         struct matrox_fb_info *minfo = info2minfo(info);
 878
 879         DBG(__func__)
 880
 881         if (minfo->dead) {
 882                 return -ENXIO;
 883         }
 884
 885         switch (cmd) {
 886                 case FBIOGET_VBLANK:
 887                         {
 888                                 struct fb_vblank vblank;
 889                                 int err;
 890
 891                                 err = matroxfb_get_vblank(minfo, &vblank);
 892                                 if (err)
 893                                         return err;
 894                                 if (copy_to_user(argp, &vblank, sizeof(vblank)))
 895                                         return -EFAULT;
 896                                 return 0;
 897                         }
 898                 case FBIO_WAITFORVSYNC:
 899                         {
 900                                 u_int32_t crt;
 901
 902                                 if (get_user(crt, (u_int32_t __user *)arg))
 903                                         return -EFAULT;
 904
 905                                 return matroxfb_wait_for_sync(minfo, crt);
 906                         }
 907                 case MATROXFB_SET_OUTPUT_MODE:
 908                         {
 909                                 struct matroxioc_output_mode mom;
 910                                 struct matrox_altout *oproc;
 911                                 int val;
 912
 913                                 if (copy_from_user(&mom, argp, sizeof(mom)))
 914                                         return -EFAULT;
 915                                 if (mom.output >= MATROXFB_MAX_OUTPUTS)
 916                                         return -ENXIO;
 917                                 down_read(&minfo->altout.lock);
 918                                 oproc = minfo->outputs[mom.output].output;
 919                                 if (!oproc) {
 920                                         val = -ENXIO;
 921                                 } else if (!oproc->verifymode) {
 922                                         if (mom.mode == MATROXFB_OUTPUT_MODE_MONITOR) {
 923                                                 val = 0;
 924                                         } else {
 925                                                 val = -EINVAL;
 926                                         }
 927                                 } else {
 928                                         val = oproc->verifymode(minfo->outputs[mom.output].data, mom.mode);
 929                                 }
 930                                 if (!val) {
 931                                         if (minfo->outputs[mom.output].mode != mom.mode) {
 932                                                 minfo->outputs[mom.output].mode = mom.mode;
 933                                                 val = 1;
 934                                         }
 935                                 }
 936                                 up_read(&minfo->altout.lock);
 937                                 if (val != 1)
 938                                         return val;
 939                                 switch (minfo->outputs[mom.output].src) {
 940                                         case MATROXFB_SRC_CRTC1:
 941                                                 matroxfb_set_par(info);
 942                                                 break;
 943                                         case MATROXFB_SRC_CRTC2:
 944                                                 {
 945                                                         struct matroxfb_dh_fb_info* crtc2;
 946
 947                                                         down_read(&minfo->crtc2.lock);
 948                                                         crtc2 = minfo->crtc2.info;
 949                                                         if (crtc2)
 950                                                                 crtc2->fbcon.fbops->fb_set_par(&crtc2->fbcon);
 951                                                         up_read(&minfo->crtc2.lock);
 952                                                 }
 953                                                 break;
 954                                 }
 955                                 return 0;
 956                         }
 957                 case MATROXFB_GET_OUTPUT_MODE:
 958                         {
 959                                 struct matroxioc_output_mode mom;
 960                                 struct matrox_altout *oproc;
 961                                 int val;
 962
 963                                 if (copy_from_user(&mom, argp, sizeof(mom)))
 964                                         return -EFAULT;
 965                                 if (mom.output >= MATROXFB_MAX_OUTPUTS)
 966                                         return -ENXIO;
 967                                 down_read(&minfo->altout.lock);
 968                                 oproc = minfo->outputs[mom.output].output;
 969                                 if (!oproc) {
 970                                         val = -ENXIO;
 971                                 } else {
 972                                         mom.mode = minfo->outputs[mom.output].mode;
 973                                         val = 0;
 974                                 }
 975                                 up_read(&minfo->altout.lock);
 976                                 if (val)
 977                                         return val;
 978                                 if (copy_to_user(argp, &mom, sizeof(mom)))
 979                                         return -EFAULT;
 980                                 return 0;
 981                         }
 982                 case MATROXFB_SET_OUTPUT_CONNECTION:
 983                         {
 984                                 u_int32_t tmp;
 985                                 int i;
 986                                 int changes;
 987
 988                                 if (copy_from_user(&tmp, argp, sizeof(tmp)))
 989                                         return -EFAULT;
 990                                 for (i = 0; i < 32; i++) {
 991                                         if (tmp & (1 << i)) {
 992                                                 if (i >= MATROXFB_MAX_OUTPUTS)
 993                                                         return -ENXIO;
 994                                                 if (!minfo->outputs[i].output)
 995                                                         return -ENXIO;
 996                                                 switch (minfo->outputs[i].src) {
 997                                                         case MATROXFB_SRC_NONE:
 998                                                         case MATROXFB_SRC_CRTC1:
 999                                                                 break;
1000                                                         default:
1001                                                                 return -EBUSY;
1002                                                 }
1003                                         }
1004                                 }
1005                                 if (minfo->devflags.panellink) {
1006                                         if (tmp & MATROXFB_OUTPUT_CONN_DFP) {
1007                                                 if (tmp & MATROXFB_OUTPUT_CONN_SECONDARY)
1008                                                         return -EINVAL;
1009                                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1010                                                         if (minfo->outputs[i].src == MATROXFB_SRC_CRTC2) {
1011                                                                 return -EBUSY;
1012                                                         }
1013                                                 }
1014                                         }
1015                                 }
1016                                 changes = 0;
1017                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1018                                         if (tmp & (1 << i)) {
1019                                                 if (minfo->outputs[i].src != MATROXFB_SRC_CRTC1) {
1020                                                         changes = 1;
1021                                                         minfo->outputs[i].src = MATROXFB_SRC_CRTC1;
1022                                                 }
1023                                         } else if (minfo->outputs[i].src == MATROXFB_SRC_CRTC1) {
1024                                                 changes = 1;
1025                                                 minfo->outputs[i].src = MATROXFB_SRC_NONE;
1026                                         }
1027                                 }
1028                                 if (!changes)
1029                                         return 0;
1030                                 matroxfb_set_par(info);
1031                                 return 0;
1032                         }
1033                 case MATROXFB_GET_OUTPUT_CONNECTION:
1034                         {
1035                                 u_int32_t conn = 0;
1036                                 int i;
1037
1038                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1039                                         if (minfo->outputs[i].src == MATROXFB_SRC_CRTC1) {
1040                                                 conn |= 1 << i;
1041                                         }
1042                                 }
1043                                 if (put_user(conn, (u_int32_t __user *)arg))
1044                                         return -EFAULT;
1045                                 return 0;
1046                         }
1047                 case MATROXFB_GET_AVAILABLE_OUTPUTS:
1048                         {
1049                                 u_int32_t conn = 0;
1050                                 int i;
1051
1052                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1053                                         if (minfo->outputs[i].output) {
1054                                                 switch (minfo->outputs[i].src) {
1055                                                         case MATROXFB_SRC_NONE:
1056                                                         case MATROXFB_SRC_CRTC1:
1057                                                                 conn |= 1 << i;
1058                                                                 break;
1059                                                 }
1060                                         }
1061                                 }
1062                                 if (minfo->devflags.panellink) {
1063                                         if (conn & MATROXFB_OUTPUT_CONN_DFP)
1064                                                 conn &= ~MATROXFB_OUTPUT_CONN_SECONDARY;
1065                                         if (conn & MATROXFB_OUTPUT_CONN_SECONDARY)
1066                                                 conn &= ~MATROXFB_OUTPUT_CONN_DFP;
1067                                 }
1068                                 if (put_user(conn, (u_int32_t __user *)arg))
1069                                         return -EFAULT;
1070                                 return 0;
1071                         }
1072                 case MATROXFB_GET_ALL_OUTPUTS:
1073                         {
1074                                 u_int32_t conn = 0;
1075                                 int i;
1076
1077                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1078                                         if (minfo->outputs[i].output) {
1079                                                 conn |= 1 << i;
1080                                         }
1081                                 }
1082                                 if (put_user(conn, (u_int32_t __user *)arg))
1083                                         return -EFAULT;
1084                                 return 0;
1085                         }
1086                 case VIDIOC_QUERYCAP:
1087                         {
1088                                 struct v4l2_capability r;
1089
1090                                 memset(&r, 0, sizeof(r));
1091                                 strcpy(r.driver, "matroxfb");
1092                                 strcpy(r.card, "Matrox");
1093                                 sprintf(r.bus_info, "PCI:%s", pci_name(minfo->pcidev));
1094                                 r.version = KERNEL_VERSION(1,0,0);
1095                                 r.capabilities = V4L2_CAP_VIDEO_OUTPUT;
1096                                 if (copy_to_user(argp, &r, sizeof(r)))
1097                                         return -EFAULT;
1098                                 return 0;
1099
1100                         }
1101                 case VIDIOC_QUERYCTRL:
1102                         {
1103                                 struct v4l2_queryctrl qctrl;
1104                                 int err;
1105
1106                                 if (copy_from_user(&qctrl, argp, sizeof(qctrl)))
1107                                         return -EFAULT;
1108
1109                                 down_read(&minfo->altout.lock);
1110                                 if (!minfo->outputs[1].output) {
1111                                         err = -ENXIO;
1112                                 } else if (minfo->outputs[1].output->getqueryctrl) {
1113                                         err = minfo->outputs[1].output->getqueryctrl(minfo->outputs[1].data, &qctrl);
1114                                 } else {
1115                                         err = -EINVAL;
1116                                 }
1117                                 up_read(&minfo->altout.lock);
1118                                 if (err >= 0 &&
1119                                     copy_to_user(argp, &qctrl, sizeof(qctrl)))
1120                                         return -EFAULT;
1121                                 return err;
1122                         }
1123                 case VIDIOC_G_CTRL:
1124                         {
1125                                 struct v4l2_control ctrl;
1126                                 int err;
1127
1128                                 if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
1129                                         return -EFAULT;
1130
1131                                 down_read(&minfo->altout.lock);
1132                                 if (!minfo->outputs[1].output) {
1133                                         err = -ENXIO;
1134                                 } else if (minfo->outputs[1].output->getctrl) {
1135                                         err = minfo->outputs[1].output->getctrl(minfo->outputs[1].data, &ctrl);
1136                                 } else {
1137                                         err = -EINVAL;
1138                                 }
1139                                 up_read(&minfo->altout.lock);
1140                                 if (err >= 0 &&
1141                                     copy_to_user(argp, &ctrl, sizeof(ctrl)))
1142                                         return -EFAULT;
1143                                 return err;
1144                         }
1145                 case VIDIOC_S_CTRL:
1146                         {
1147                                 struct v4l2_control ctrl;
1148                                 int err;
1149
1150                                 if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
1151                                         return -EFAULT;
1152
1153                                 down_read(&minfo->altout.lock);
1154                                 if (!minfo->outputs[1].output) {
1155                                         err = -ENXIO;
1156                                 } else if (minfo->outputs[1].output->setctrl) {
1157                                         err = minfo->outputs[1].output->setctrl(minfo->outputs[1].data, &ctrl);
1158                                 } else {
1159                                         err = -EINVAL;
1160                                 }
1161                                 up_read(&minfo->altout.lock);
1162                                 return err;
1163                         }
1164         }
1165         return -ENOTTY;
1166 }
1167
1168 /* 0 unblank, 1 blank, 2 no vsync, 3 no hsync, 4 off */
1169
1170 static int matroxfb_blank(int blank, struct fb_info *info)
1171 {
1172         int seq;
1173         int crtc;
1174         CRITFLAGS
1175         struct matrox_fb_info *minfo = info2minfo(info);
1176
1177         DBG(__func__)
1178
1179         if (minfo->dead)
1180                 return 1;
1181
1182         switch (blank) {
1183         case FB_BLANK_NORMAL:  seq = 0x20; crtc = 0x00; break; /* works ??? */
1184         case FB_BLANK_VSYNC_SUSPEND:  seq = 0x20; crtc = 0x10; break;
1185         case FB_BLANK_HSYNC_SUSPEND:  seq = 0x20; crtc = 0x20; break;
1186         case FB_BLANK_POWERDOWN:  seq = 0x20; crtc = 0x30; break;
1187         default: seq = 0x00; crtc = 0x00; break;
1188         }
1189
1190         CRITBEGIN
1191
1192         mga_outb(M_SEQ_INDEX, 1);
1193         mga_outb(M_SEQ_DATA, (mga_inb(M_SEQ_DATA) & ~0x20) | seq);
1194         mga_outb(M_EXTVGA_INDEX, 1);
1195         mga_outb(M_EXTVGA_DATA, (mga_inb(M_EXTVGA_DATA) & ~0x30) | crtc);
1196
1197         CRITEND
1198         return 0;
1199 }
1200
1201 static struct fb_ops matroxfb_ops = {
1202         .owner =        THIS_MODULE,
1203         .fb_open =      matroxfb_open,
1204         .fb_release =   matroxfb_release,
1205         .fb_check_var = matroxfb_check_var,
1206         .fb_set_par =   matroxfb_set_par,
1207         .fb_setcolreg = matroxfb_setcolreg,
1208         .fb_pan_display =matroxfb_pan_display,
1209         .fb_blank =     matroxfb_blank,
1210         .fb_ioctl =     matroxfb_ioctl,
1211 /*      .fb_fillrect =  <set by matrox_cfbX_init>, */
1212 /*      .fb_copyarea =  <set by matrox_cfbX_init>, */
1213 /*      .fb_imageblit = <set by matrox_cfbX_init>, */
1214 /*      .fb_cursor =    <set by matrox_cfbX_init>, */
1215 };
1216
1217 #define RSDepth(X)      (((X) >> 8) & 0x0F)
1218 #define RS8bpp          0x1
1219 #define RS15bpp         0x2
1220 #define RS16bpp         0x3
1221 #define RS32bpp         0x4
1222 #define RS4bpp          0x5
1223 #define RS24bpp         0x6
1224 #define RSText          0x7
1225 #define RSText8         0x8
1226 /* 9-F */
1227 static struct { struct fb_bitfield red, green, blue, transp; int bits_per_pixel; } colors[] = {
1228         { {  0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, {  0, 0, 0},  8 },
1229         { { 10, 5, 0}, { 5, 5, 0}, { 0, 5, 0}, { 15, 1, 0}, 16 },
1230         { { 11, 5, 0}, { 5, 6, 0}, { 0, 5, 0}, {  0, 0, 0}, 16 },
1231         { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, { 24, 8, 0}, 32 },
1232         { {  0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, {  0, 0, 0},  4 },
1233         { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, {  0, 0, 0}, 24 },
1234         { {  0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, {  0, 0, 0},  0 },       /* textmode with (default) VGA8x16 */
1235         { {  0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, {  0, 0, 0},  0 },       /* textmode hardwired to VGA8x8 */
1236 };
1237
1238 /* initialized by setup, see explanation at end of file (search for MODULE_PARM_DESC) */
1239 static unsigned int mem;                /* "matroxfb:mem:xxxxxM" */
1240 static int option_precise_width = 1;    /* cannot be changed, option_precise_width==0 must imply noaccel */
1241 static int inv24;                       /* "matroxfb:inv24" */
1242 static int cross4MB = -1;               /* "matroxfb:cross4MB" */
1243 static int disabled;                    /* "matroxfb:disabled" */
1244 static int noaccel;                     /* "matroxfb:noaccel" */
1245 static int nopan;                       /* "matroxfb:nopan" */
1246 static int no_pci_retry;                /* "matroxfb:nopciretry" */
1247 static int novga;                       /* "matroxfb:novga" */
1248 static int nobios;                      /* "matroxfb:nobios" */
1249 static int noinit = 1;                  /* "matroxfb:init" */
1250 static int inverse;                     /* "matroxfb:inverse" */
1251 static int sgram;                       /* "matroxfb:sgram" */
1252 static int mtrr = 1;                    /* "matroxfb:nomtrr" */
1253 static int grayscale;                   /* "matroxfb:grayscale" */
1254 static int dev = -1;                    /* "matroxfb:dev:xxxxx" */
1255 static unsigned int vesa = ~0;          /* "matroxfb:vesa:xxxxx" */
1256 static int depth = -1;                  /* "matroxfb:depth:xxxxx" */
1257 static unsigned int xres;               /* "matroxfb:xres:xxxxx" */
1258 static unsigned int yres;               /* "matroxfb:yres:xxxxx" */
1259 static unsigned int upper = ~0;         /* "matroxfb:upper:xxxxx" */
1260 static unsigned int lower = ~0;         /* "matroxfb:lower:xxxxx" */
1261 static unsigned int vslen;              /* "matroxfb:vslen:xxxxx" */
1262 static unsigned int left = ~0;          /* "matroxfb:left:xxxxx" */
1263 static unsigned int right = ~0;         /* "matroxfb:right:xxxxx" */
1264 static unsigned int hslen;              /* "matroxfb:hslen:xxxxx" */
1265 static unsigned int pixclock;           /* "matroxfb:pixclock:xxxxx" */
1266 static int sync = -1;                   /* "matroxfb:sync:xxxxx" */
1267 static unsigned int fv;                 /* "matroxfb:fv:xxxxx" */
1268 static unsigned int fh;                 /* "matroxfb:fh:xxxxxk" */
1269 static unsigned int maxclk;             /* "matroxfb:maxclk:xxxxM" */
1270 static int dfp;                         /* "matroxfb:dfp */
1271 static int dfp_type = -1;               /* "matroxfb:dfp:xxx */
1272 static int memtype = -1;                /* "matroxfb:memtype:xxx" */
1273 static char outputs[8];                 /* "matroxfb:outputs:xxx" */
1274
1275 #ifndef MODULE
1276 static char videomode[64];              /* "matroxfb:mode:xxxxx" or "matroxfb:xxxxx" */
1277 #endif
1278
1279 static int matroxfb_getmemory(struct matrox_fb_info *minfo,
1280                               unsigned int maxSize, unsigned int *realSize)
1281 {
1282         vaddr_t vm;
1283         unsigned int offs;
1284         unsigned int offs2;
1285         unsigned char orig;
1286         unsigned char bytes[32];
1287         unsigned char* tmp;
1288
1289         DBG(__func__)
1290
1291         vm = minfo->video.vbase;
1292         maxSize &= ~0x1FFFFF;   /* must be X*2MB (really it must be 2 or X*4MB) */
1293         /* at least 2MB */
1294         if (maxSize < 0x0200000) return 0;
1295         if (maxSize > 0x2000000) maxSize = 0x2000000;
1296
1297         mga_outb(M_EXTVGA_INDEX, 0x03);
1298         orig = mga_inb(M_EXTVGA_DATA);
1299         mga_outb(M_EXTVGA_DATA, orig | 0x80);
1300
1301         tmp = bytes;
1302         for (offs = 0x100000; offs < maxSize; offs += 0x200000)
1303                 *tmp++ = mga_readb(vm, offs);
1304         for (offs = 0x100000; offs < maxSize; offs += 0x200000)
1305                 mga_writeb(vm, offs, 0x02);
1306         mga_outb(M_CACHEFLUSH, 0x00);
1307         for (offs = 0x100000; offs < maxSize; offs += 0x200000) {
1308                 if (mga_readb(vm, offs) != 0x02)
1309                         break;
1310                 mga_writeb(vm, offs, mga_readb(vm, offs) - 0x02);
1311                 if (mga_readb(vm, offs))
1312                         break;
1313         }
1314         tmp = bytes;
1315         for (offs2 = 0x100000; offs2 < maxSize; offs2 += 0x200000)
1316                 mga_writeb(vm, offs2, *tmp++);
1317
1318         mga_outb(M_EXTVGA_INDEX, 0x03);
1319         mga_outb(M_EXTVGA_DATA, orig);
1320
1321         *realSize = offs - 0x100000;
1322 #ifdef CONFIG_FB_MATROX_MILLENIUM
1323         minfo->interleave = !(!isMillenium(minfo) || ((offs - 0x100000) & 0x3FFFFF));
1324 #endif
1325         return 1;
1326 }
1327
1328 struct video_board {
1329         int maxvram;
1330         int maxdisplayable;
1331         int accelID;
1332         struct matrox_switch* lowlevel;
1333                  };
1334 #ifdef CONFIG_FB_MATROX_MILLENIUM
1335 static struct video_board vbMillennium = {
1336         .maxvram = 0x0800000,
1337         .maxdisplayable = 0x0800000,
1338         .accelID = FB_ACCEL_MATROX_MGA2064W,
1339         .lowlevel = &matrox_millennium
1340 };
1341
1342 static struct video_board vbMillennium2 = {
1343         .maxvram = 0x1000000,
1344         .maxdisplayable = 0x0800000,
1345         .accelID = FB_ACCEL_MATROX_MGA2164W,
1346         .lowlevel = &matrox_millennium
1347 };
1348
1349 static struct video_board vbMillennium2A = {
1350         .maxvram = 0x1000000,
1351         .maxdisplayable = 0x0800000,
1352         .accelID = FB_ACCEL_MATROX_MGA2164W_AGP,
1353         .lowlevel = &matrox_millennium
1354 };
1355 #endif  /* CONFIG_FB_MATROX_MILLENIUM */
1356 #ifdef CONFIG_FB_MATROX_MYSTIQUE
1357 static struct video_board vbMystique = {
1358         .maxvram = 0x0800000,
1359         .maxdisplayable = 0x0800000,
1360         .accelID = FB_ACCEL_MATROX_MGA1064SG,
1361         .lowlevel = &matrox_mystique
1362 };
1363 #endif  /* CONFIG_FB_MATROX_MYSTIQUE */
1364 #ifdef CONFIG_FB_MATROX_G
1365 static struct video_board vbG100 = {
1366         .maxvram = 0x0800000,
1367         .maxdisplayable = 0x0800000,
1368         .accelID = FB_ACCEL_MATROX_MGAG100,
1369         .lowlevel = &matrox_G100
1370 };
1371
1372 static struct video_board vbG200 = {
1373         .maxvram = 0x1000000,
1374         .maxdisplayable = 0x1000000,
1375         .accelID = FB_ACCEL_MATROX_MGAG200,
1376         .lowlevel = &matrox_G100
1377 };
1378 /* from doc it looks like that accelerator can draw only to low 16MB :-( Direct accesses & displaying are OK for
1379    whole 32MB */
1380 static struct video_board vbG400 = {
1381         .maxvram = 0x2000000,
1382         .maxdisplayable = 0x1000000,
1383         .accelID = FB_ACCEL_MATROX_MGAG400,
1384         .lowlevel = &matrox_G100
1385 };
1386 #endif
1387
1388 #define DEVF_VIDEO64BIT         0x0001
1389 #define DEVF_SWAPS              0x0002
1390 #define DEVF_SRCORG             0x0004
1391 #define DEVF_DUALHEAD           0x0008
1392 #define DEVF_CROSS4MB           0x0010
1393 #define DEVF_TEXT4B             0x0020
1394 /* #define DEVF_recycled        0x0040  */
1395 /* #define DEVF_recycled        0x0080  */
1396 #define DEVF_SUPPORT32MB        0x0100
1397 #define DEVF_ANY_VXRES          0x0200
1398 #define DEVF_TEXT16B            0x0400
1399 #define DEVF_CRTC2              0x0800
1400 #define DEVF_MAVEN_CAPABLE      0x1000
1401 #define DEVF_PANELLINK_CAPABLE  0x2000
1402 #define DEVF_G450DAC            0x4000
1403
1404 #define DEVF_GCORE      (DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB)
1405 #define DEVF_G2CORE     (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_MAVEN_CAPABLE | DEVF_PANELLINK_CAPABLE | DEVF_SRCORG | DEVF_DUALHEAD)
1406 #define DEVF_G100       (DEVF_GCORE) /* no doc, no vxres... */
1407 #define DEVF_G200       (DEVF_G2CORE)
1408 #define DEVF_G400       (DEVF_G2CORE | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2)
1409 /* if you'll find how to drive DFP... */
1410 #define DEVF_G450       (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2 | DEVF_G450DAC | DEVF_SRCORG | DEVF_DUALHEAD)
1411 #define DEVF_G550       (DEVF_G450)
1412
1413 static struct board {
1414         unsigned short vendor, device, rev, svid, sid;
1415         unsigned int flags;
1416         unsigned int maxclk;
1417         enum mga_chip chip;
1418         struct video_board* base;
1419         const char* name;
1420                 } dev_list[] = {
1421 #ifdef CONFIG_FB_MATROX_MILLENIUM
1422         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL,       0xFF,
1423                 0,                      0,
1424                 DEVF_TEXT4B,
1425                 230000,
1426                 MGA_2064,
1427                 &vbMillennium,
1428                 "Millennium (PCI)"},
1429         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2,     0xFF,
1430                 0,                      0,
1431                 DEVF_SWAPS,
1432                 220000,
1433                 MGA_2164,
1434                 &vbMillennium2,
1435                 "Millennium II (PCI)"},
1436         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2_AGP, 0xFF,
1437                 0,                      0,
1438                 DEVF_SWAPS,
1439                 250000,
1440                 MGA_2164,
1441                 &vbMillennium2A,
1442                 "Millennium II (AGP)"},
1443 #endif
1444 #ifdef CONFIG_FB_MATROX_MYSTIQUE
1445         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,       0x02,
1446                 0,                      0,
1447                 DEVF_VIDEO64BIT | DEVF_CROSS4MB,
1448                 180000,
1449                 MGA_1064,
1450                 &vbMystique,
1451                 "Mystique (PCI)"},
1452         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,       0xFF,
1453                 0,                      0,
1454                 DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB,
1455                 220000,
1456                 MGA_1164,
1457                 &vbMystique,
1458                 "Mystique 220 (PCI)"},
1459         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS_AGP,   0x02,
1460                 0,                      0,
1461                 DEVF_VIDEO64BIT | DEVF_CROSS4MB,
1462                 180000,
1463                 MGA_1064,
1464                 &vbMystique,
1465                 "Mystique (AGP)"},
1466         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS_AGP,   0xFF,
1467                 0,                      0,
1468                 DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB,
1469                 220000,
1470                 MGA_1164,
1471                 &vbMystique,
1472                 "Mystique 220 (AGP)"},
1473 #endif
1474 #ifdef CONFIG_FB_MATROX_G
1475         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_MM,   0xFF,
1476                 0,                      0,
1477                 DEVF_G100,
1478                 230000,
1479                 MGA_G100,
1480                 &vbG100,
1481                 "MGA-G100 (PCI)"},
1482         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_AGP,  0xFF,
1483                 0,                      0,
1484                 DEVF_G100,
1485                 230000,
1486                 MGA_G100,
1487                 &vbG100,
1488                 "MGA-G100 (AGP)"},
1489         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_PCI,  0xFF,
1490                 0,                      0,
1491                 DEVF_G200,
1492                 250000,
1493                 MGA_G200,
1494                 &vbG200,
1495                 "MGA-G200 (PCI)"},
1496         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1497                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_GENERIC,
1498                 DEVF_G200,
1499                 220000,
1500                 MGA_G200,
1501                 &vbG200,
1502                 "MGA-G200 (AGP)"},
1503         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1504                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MYSTIQUE_G200_AGP,
1505                 DEVF_G200,
1506                 230000,
1507                 MGA_G200,
1508                 &vbG200,
1509                 "Mystique G200 (AGP)"},
1510         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1511                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MILLENIUM_G200_AGP,
1512                 DEVF_G200,
1513                 250000,
1514                 MGA_G200,
1515                 &vbG200,
1516                 "Millennium G200 (AGP)"},
1517         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1518                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MARVEL_G200_AGP,
1519                 DEVF_G200,
1520                 230000,
1521                 MGA_G200,
1522                 &vbG200,
1523                 "Marvel G200 (AGP)"},
1524         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1525                 PCI_SS_VENDOR_ID_SIEMENS_NIXDORF,       PCI_SS_ID_SIEMENS_MGA_G200_AGP,
1526                 DEVF_G200,
1527                 230000,
1528                 MGA_G200,
1529                 &vbG200,
1530                 "MGA-G200 (AGP)"},
1531         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1532                 0,                      0,
1533                 DEVF_G200,
1534                 230000,
1535                 MGA_G200,
1536                 &vbG200,
1537                 "G200 (AGP)"},
1538         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0x80,
1539                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MILLENNIUM_G400_MAX_AGP,
1540                 DEVF_G400,
1541                 360000,
1542                 MGA_G400,
1543                 &vbG400,
1544                 "Millennium G400 MAX (AGP)"},
1545         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0x80,
1546                 0,                      0,
1547                 DEVF_G400,
1548                 300000,
1549                 MGA_G400,
1550                 &vbG400,
1551                 "G400 (AGP)"},
1552         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0xFF,
1553                 0,                      0,
1554                 DEVF_G450,
1555                 360000,
1556                 MGA_G450,
1557                 &vbG400,
1558                 "G450"},
1559         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G550,      0xFF,
1560                 0,                      0,
1561                 DEVF_G550,
1562                 360000,
1563                 MGA_G550,
1564                 &vbG400,
1565                 "G550"},
1566 #endif
1567         {0,                     0,                              0xFF,
1568                 0,                      0,
1569                 0,
1570                 0,
1571                 0,
1572                 NULL,
1573                 NULL}};
1574
1575 #ifndef MODULE
1576 static struct fb_videomode defaultmode = {
1577         /* 640x480 @ 60Hz, 31.5 kHz */
1578         NULL, 60, 640, 480, 39721, 40, 24, 32, 11, 96, 2,
1579         0, FB_VMODE_NONINTERLACED
1580 };
1581 #endif /* !MODULE */
1582
1583 static int hotplug = 0;
1584
1585 static void setDefaultOutputs(struct matrox_fb_info *minfo)
1586 {
1587         unsigned int i;
1588         const char* ptr;
1589
1590         minfo->outputs[0].default_src = MATROXFB_SRC_CRTC1;
1591         if (minfo->devflags.g450dac) {
1592                 minfo->outputs[1].default_src = MATROXFB_SRC_CRTC1;
1593                 minfo->outputs[2].default_src = MATROXFB_SRC_CRTC1;
1594         } else if (dfp) {
1595                 minfo->outputs[2].default_src = MATROXFB_SRC_CRTC1;
1596         }
1597         ptr = outputs;
1598         for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1599                 char c = *ptr++;
1600
1601                 if (c == 0) {
1602                         break;
1603                 }
1604                 if (c == '0') {
1605                         minfo->outputs[i].default_src = MATROXFB_SRC_NONE;
1606                 } else if (c == '1') {
1607                         minfo->outputs[i].default_src = MATROXFB_SRC_CRTC1;
1608                 } else if (c == '2' && minfo->devflags.crtc2) {
1609                         minfo->outputs[i].default_src = MATROXFB_SRC_CRTC2;
1610                 } else {
1611                         printk(KERN_ERR "matroxfb: Unknown outputs setting\n");
1612                         break;
1613                 }
1614         }
1615         /* Nullify this option for subsequent adapters */
1616         outputs[0] = 0;
1617 }
1618
1619 static int initMatrox2(struct matrox_fb_info *minfo, struct board *b)
1620 {
1621         unsigned long ctrlptr_phys = 0;
1622         unsigned long video_base_phys = 0;
1623         unsigned int memsize;
1624         int err;
1625
1626         static struct pci_device_id intel_82437[] = {
1627                 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82437) },
1628                 { },
1629         };
1630
1631         DBG(__func__)
1632
1633         /* set default values... */
1634         vesafb_defined.accel_flags = FB_ACCELF_TEXT;
1635
1636         minfo->hw_switch = b->base->lowlevel;
1637         minfo->devflags.accelerator = b->base->accelID;
1638         minfo->max_pixel_clock = b->maxclk;
1639
1640         printk(KERN_INFO "matroxfb: Matrox %s detected\n", b->name);
1641         minfo->capable.plnwt = 1;
1642         minfo->chip = b->chip;
1643         minfo->capable.srcorg = b->flags & DEVF_SRCORG;
1644         minfo->devflags.video64bits = b->flags & DEVF_VIDEO64BIT;
1645         if (b->flags & DEVF_TEXT4B) {
1646                 minfo->devflags.vgastep = 4;
1647                 minfo->devflags.textmode = 4;
1648                 minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP16;
1649         } else if (b->flags & DEVF_TEXT16B) {
1650                 minfo->devflags.vgastep = 16;
1651                 minfo->devflags.textmode = 1;
1652                 minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP16;
1653         } else {
1654                 minfo->devflags.vgastep = 8;
1655                 minfo->devflags.textmode = 1;
1656                 minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP8;
1657         }
1658         minfo->devflags.support32MB = (b->flags & DEVF_SUPPORT32MB) != 0;
1659         minfo->devflags.precise_width = !(b->flags & DEVF_ANY_VXRES);
1660         minfo->devflags.crtc2 = (b->flags & DEVF_CRTC2) != 0;
1661         minfo->devflags.maven_capable = (b->flags & DEVF_MAVEN_CAPABLE) != 0;
1662         minfo->devflags.dualhead = (b->flags & DEVF_DUALHEAD) != 0;
1663         minfo->devflags.dfp_type = dfp_type;
1664         minfo->devflags.g450dac = (b->flags & DEVF_G450DAC) != 0;
1665         minfo->devflags.textstep = minfo->devflags.vgastep * minfo->devflags.textmode;
1666         minfo->devflags.textvram = 65536 / minfo->devflags.textmode;
1667         setDefaultOutputs(minfo);
1668         if (b->flags & DEVF_PANELLINK_CAPABLE) {
1669                 minfo->outputs[2].data = minfo;
1670                 minfo->outputs[2].output = &panellink_output;
1671                 minfo->outputs[2].src = minfo->outputs[2].default_src;
1672                 minfo->outputs[2].mode = MATROXFB_OUTPUT_MODE_MONITOR;
1673                 minfo->devflags.panellink = 1;
1674         }
1675
1676         if (minfo->capable.cross4MB < 0)
1677                 minfo->capable.cross4MB = b->flags & DEVF_CROSS4MB;
1678         if (b->flags & DEVF_SWAPS) {
1679                 ctrlptr_phys = pci_resource_start(minfo->pcidev, 1);
1680                 video_base_phys = pci_resource_start(minfo->pcidev, 0);
1681                 minfo->devflags.fbResource = PCI_BASE_ADDRESS_0;
1682         } else {
1683                 ctrlptr_phys = pci_resource_start(minfo->pcidev, 0);
1684                 video_base_phys = pci_resource_start(minfo->pcidev, 1);
1685                 minfo->devflags.fbResource = PCI_BASE_ADDRESS_1;
1686         }
1687         err = -EINVAL;
1688         if (!ctrlptr_phys) {
1689                 printk(KERN_ERR "matroxfb: control registers are not available, matroxfb disabled\n");
1690                 goto fail;
1691         }
1692         if (!video_base_phys) {
1693                 printk(KERN_ERR "matroxfb: video RAM is not available in PCI address space, matroxfb disabled\n");
1694                 goto fail;
1695         }
1696         memsize = b->base->maxvram;
1697         if (!request_mem_region(ctrlptr_phys, 16384, "matroxfb MMIO")) {
1698                 goto fail;
1699         }
1700         if (!request_mem_region(video_base_phys, memsize, "matroxfb FB")) {
1701                 goto failCtrlMR;
1702         }
1703         minfo->video.len_maximum = memsize;
1704         /* convert mem (autodetect k, M) */
1705         if (mem < 1024) mem *= 1024;
1706         if (mem < 0x00100000) mem *= 1024;
1707
1708         if (mem && (mem < memsize))
1709                 memsize = mem;
1710         err = -ENOMEM;
1711
1712         minfo->mmio.vbase.vaddr = ioremap_nocache(ctrlptr_phys, 16384);
1713         if (!minfo->mmio.vbase.vaddr) {
1714                 printk(KERN_ERR "matroxfb: cannot ioremap(%lX, 16384), matroxfb disabled\n", ctrlptr_phys);
1715                 goto failVideoMR;
1716         }
1717         minfo->mmio.base = ctrlptr_phys;
1718         minfo->mmio.len = 16384;
1719         minfo->video.base = video_base_phys;
1720         minfo->video.vbase.vaddr = ioremap_wc(video_base_phys, memsize);
1721         if (!minfo->video.vbase.vaddr) {
1722                 printk(KERN_ERR "matroxfb: cannot ioremap(%lX, %d), matroxfb disabled\n",
1723                         video_base_phys, memsize);
1724                 goto failCtrlIO;
1725         }
1726         {
1727                 u_int32_t cmd;
1728                 u_int32_t mga_option;
1729
1730                 pci_read_config_dword(minfo->pcidev, PCI_OPTION_REG, &mga_option);
1731                 pci_read_config_dword(minfo->pcidev, PCI_COMMAND, &cmd);
1732                 mga_option &= 0x7FFFFFFF; /* clear BIG_ENDIAN */
1733                 mga_option |= MX_OPTION_BSWAP;
1734                 /* disable palette snooping */
1735                 cmd &= ~PCI_COMMAND_VGA_PALETTE;
1736                 if (pci_dev_present(intel_82437)) {
1737                         if (!(mga_option & 0x20000000) && !minfo->devflags.nopciretry) {
1738                                 printk(KERN_WARNING "matroxfb: Disabling PCI retries due to i82437 present\n");
1739                         }
1740                         mga_option |= 0x20000000;
1741                         minfo->devflags.nopciretry = 1;
1742                 }
1743                 pci_write_config_dword(minfo->pcidev, PCI_COMMAND, cmd);
1744                 pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, mga_option);
1745                 minfo->hw.MXoptionReg = mga_option;
1746
1747                 /* select non-DMA memory for PCI_MGA_DATA, otherwise dump of PCI cfg space can lock PCI bus */
1748                 /* maybe preinit() candidate, but it is same... for all devices... at this time... */
1749                 pci_write_config_dword(minfo->pcidev, PCI_MGA_INDEX, 0x00003C00);
1750         }
1751
1752         err = -ENXIO;
1753         matroxfb_read_pins(minfo);
1754         if (minfo->hw_switch->preinit(minfo)) {
1755                 goto failVideoIO;
1756         }
1757
1758         err = -ENOMEM;
1759         if (!matroxfb_getmemory(minfo, memsize, &minfo->video.len) || !minfo->video.len) {
1760                 printk(KERN_ERR "matroxfb: cannot determine memory size\n");
1761                 goto failVideoIO;
1762         }
1763         minfo->devflags.ydstorg = 0;
1764
1765         minfo->video.base = video_base_phys;
1766         minfo->video.len_usable = minfo->video.len;
1767         if (minfo->video.len_usable > b->base->maxdisplayable)
1768                 minfo->video.len_usable = b->base->maxdisplayable;
1769         if (mtrr)
1770                 minfo->wc_cookie = arch_phys_wc_add(video_base_phys,
1771                                                     minfo->video.len);
1772
1773         if (!minfo->devflags.novga)
1774                 request_region(0x3C0, 32, "matrox");
1775         matroxfb_g450_connect(minfo);
1776         minfo->hw_switch->reset(minfo);
1777
1778         minfo->fbcon.monspecs.hfmin = 0;
1779         minfo->fbcon.monspecs.hfmax = fh;
1780         minfo->fbcon.monspecs.vfmin = 0;
1781         minfo->fbcon.monspecs.vfmax = fv;
1782         minfo->fbcon.monspecs.dpms = 0; /* TBD */
1783
1784         /* static settings */
1785         vesafb_defined.red = colors[depth-1].red;
1786         vesafb_defined.green = colors[depth-1].green;
1787         vesafb_defined.blue = colors[depth-1].blue;
1788         vesafb_defined.bits_per_pixel = colors[depth-1].bits_per_pixel;
1789         vesafb_defined.grayscale = grayscale;
1790         vesafb_defined.vmode = 0;
1791         if (noaccel)
1792                 vesafb_defined.accel_flags &= ~FB_ACCELF_TEXT;
1793
1794         minfo->fbops = matroxfb_ops;
1795         minfo->fbcon.fbops = &minfo->fbops;
1796         minfo->fbcon.pseudo_palette = minfo->cmap;
1797         /* after __init time we are like module... no logo */
1798         minfo->fbcon.flags = hotplug ? FBINFO_FLAG_MODULE : FBINFO_FLAG_DEFAULT;
1799         minfo->fbcon.flags |= FBINFO_PARTIAL_PAN_OK |    /* Prefer panning for scroll under MC viewer/edit */
1800                                       FBINFO_HWACCEL_COPYAREA |  /* We have hw-assisted bmove */
1801                                       FBINFO_HWACCEL_FILLRECT |  /* And fillrect */
1802                                       FBINFO_HWACCEL_IMAGEBLIT | /* And imageblit */
1803                                       FBINFO_HWACCEL_XPAN |      /* And we support both horizontal */
1804                                       FBINFO_HWACCEL_YPAN |      /* And vertical panning */
1805                                       FBINFO_READS_FAST;
1806         minfo->video.len_usable &= PAGE_MASK;
1807         fb_alloc_cmap(&minfo->fbcon.cmap, 256, 1);
1808
1809 #ifndef MODULE
1810         /* mode database is marked __init!!! */
1811         if (!hotplug) {
1812                 fb_find_mode(&vesafb_defined, &minfo->fbcon, videomode[0] ? videomode : NULL,
1813                         NULL, 0, &defaultmode, vesafb_defined.bits_per_pixel);
1814         }
1815 #endif /* !MODULE */
1816
1817         /* mode modifiers */
1818         if (hslen)
1819                 vesafb_defined.hsync_len = hslen;
1820         if (vslen)
1821                 vesafb_defined.vsync_len = vslen;
1822         if (left != ~0)
1823                 vesafb_defined.left_margin = left;
1824         if (right != ~0)
1825                 vesafb_defined.right_margin = right;
1826         if (upper != ~0)
1827                 vesafb_defined.upper_margin = upper;
1828         if (lower != ~0)
1829                 vesafb_defined.lower_margin = lower;
1830         if (xres)
1831                 vesafb_defined.xres = xres;
1832         if (yres)
1833                 vesafb_defined.yres = yres;
1834         if (sync != -1)
1835                 vesafb_defined.sync = sync;
1836         else if (vesafb_defined.sync == ~0) {
1837                 vesafb_defined.sync = 0;
1838                 if (yres < 400)
1839                         vesafb_defined.sync |= FB_SYNC_HOR_HIGH_ACT;
1840                 else if (yres < 480)
1841                         vesafb_defined.sync |= FB_SYNC_VERT_HIGH_ACT;
1842         }
1843
1844         /* fv, fh, maxclk limits was specified */
1845         {
1846                 unsigned int tmp;
1847
1848                 if (fv) {
1849                         tmp = fv * (vesafb_defined.upper_margin + vesafb_defined.yres
1850                                   + vesafb_defined.lower_margin + vesafb_defined.vsync_len);
1851                         if ((tmp < fh) || (fh == 0)) fh = tmp;
1852                 }
1853                 if (fh) {
1854                         tmp = fh * (vesafb_defined.left_margin + vesafb_defined.xres
1855                                   + vesafb_defined.right_margin + vesafb_defined.hsync_len);
1856                         if ((tmp < maxclk) || (maxclk == 0)) maxclk = tmp;
1857                 }
1858                 tmp = (maxclk + 499) / 500;
1859                 if (tmp) {
1860                         tmp = (2000000000 + tmp) / tmp;
1861                         if (tmp > pixclock) pixclock = tmp;
1862                 }
1863         }
1864         if (pixclock) {
1865                 if (pixclock < 2000)            /* > 500MHz */
1866                         pixclock = 4000;        /* 250MHz */
1867                 if (pixclock > 1000000)
1868                         pixclock = 1000000;     /* 1MHz */
1869                 vesafb_defined.pixclock = pixclock;
1870         }
1871
1872         /* FIXME: Where to move this?! */
1873 #if defined(CONFIG_PPC_PMAC)
1874 #ifndef MODULE
1875         if (machine_is(powermac)) {
1876                 struct fb_var_screeninfo var;
1877                 if (default_vmode <= 0 || default_vmode > VMODE_MAX)
1878                         default_vmode = VMODE_640_480_60;
1879 #ifdef CONFIG_NVRAM
1880                 if (default_cmode == CMODE_NVRAM)
1881                         default_cmode = nvram_read_byte(NV_CMODE);
1882 #endif
1883                 if (default_cmode < CMODE_8 || default_cmode > CMODE_32)
1884                         default_cmode = CMODE_8;
1885                 if (!mac_vmode_to_var(default_vmode, default_cmode, &var)) {
1886                         var.accel_flags = vesafb_defined.accel_flags;
1887                         var.xoffset = var.yoffset = 0;
1888                         /* Note: mac_vmode_to_var() does not set all parameters */
1889                         vesafb_defined = var;
1890                 }
1891         }
1892 #endif /* !MODULE */
1893 #endif /* CONFIG_PPC_PMAC */
1894         vesafb_defined.xres_virtual = vesafb_defined.xres;
1895         if (nopan) {
1896                 vesafb_defined.yres_virtual = vesafb_defined.yres;
1897         } else {
1898                 vesafb_defined.yres_virtual = 65536; /* large enough to be INF, but small enough
1899                                                         to yres_virtual * xres_virtual < 2^32 */
1900         }
1901         matroxfb_init_fix(minfo);
1902         minfo->fbcon.screen_base = vaddr_va(minfo->video.vbase);
1903         /* Normalize values (namely yres_virtual) */
1904         matroxfb_check_var(&vesafb_defined, &minfo->fbcon);
1905         /* And put it into "current" var. Do NOT program hardware yet, or we'll not take over
1906          * vgacon correctly. fbcon_startup will call fb_set_par for us, WITHOUT check_var,
1907          * and unfortunately it will do it BEFORE vgacon contents is saved, so it won't work
1908          * anyway. But we at least tried... */
1909         minfo->fbcon.var = vesafb_defined;
1910         err = -EINVAL;
1911
1912         printk(KERN_INFO "matroxfb: %dx%dx%dbpp (virtual: %dx%d)\n",
1913                 vesafb_defined.xres, vesafb_defined.yres, vesafb_defined.bits_per_pixel,
1914                 vesafb_defined.xres_virtual, vesafb_defined.yres_virtual);
1915         printk(KERN_INFO "matroxfb: framebuffer at 0x%lX, mapped to 0x%p, size %d\n",
1916                 minfo->video.base, vaddr_va(minfo->video.vbase), minfo->video.len);
1917
1918 /* We do not have to set currcon to 0... register_framebuffer do it for us on first console
1919  * and we do not want currcon == 0 for subsequent framebuffers */
1920
1921         minfo->fbcon.device = &minfo->pcidev->dev;
1922         if (register_framebuffer(&minfo->fbcon) < 0) {
1923                 goto failVideoIO;
1924         }
1925         fb_info(&minfo->fbcon, "%s frame buffer device\n", minfo->fbcon.fix.id);
1926
1927         /* there is no console on this fb... but we have to initialize hardware
1928          * until someone tells me what is proper thing to do */
1929         if (!minfo->initialized) {
1930                 fb_info(&minfo->fbcon, "initializing hardware\n");
1931                 /* We have to use FB_ACTIVATE_FORCE, as we had to put vesafb_defined to the fbcon.var
1932                  * already before, so register_framebuffer works correctly. */
1933                 vesafb_defined.activate |= FB_ACTIVATE_FORCE;
1934                 fb_set_var(&minfo->fbcon, &vesafb_defined);
1935         }
1936
1937         return 0;
1938 failVideoIO:;
1939         matroxfb_g450_shutdown(minfo);
1940         iounmap(minfo->video.vbase.vaddr);
1941 failCtrlIO:;
1942         iounmap(minfo->mmio.vbase.vaddr);
1943 failVideoMR:;
1944         release_mem_region(video_base_phys, minfo->video.len_maximum);
1945 failCtrlMR:;
1946         release_mem_region(ctrlptr_phys, 16384);
1947 fail:;
1948         return err;
1949 }
1950
1951 static LIST_HEAD(matroxfb_list);
1952 static LIST_HEAD(matroxfb_driver_list);
1953
1954 #define matroxfb_l(x) list_entry(x, struct matrox_fb_info, next_fb)
1955 #define matroxfb_driver_l(x) list_entry(x, struct matroxfb_driver, node)
1956 int matroxfb_register_driver(struct matroxfb_driver* drv) {
1957         struct matrox_fb_info* minfo;
1958
1959         list_add(&drv->node, &matroxfb_driver_list);
1960         for (minfo = matroxfb_l(matroxfb_list.next);
1961              minfo != matroxfb_l(&matroxfb_list);
1962              minfo = matroxfb_l(minfo->next_fb.next)) {
1963                 void* p;
1964
1965                 if (minfo->drivers_count == MATROXFB_MAX_FB_DRIVERS)
1966                         continue;
1967                 p = drv->probe(minfo);
1968                 if (p) {
1969                         minfo->drivers_data[minfo->drivers_count] = p;
1970                         minfo->drivers[minfo->drivers_count++] = drv;
1971                 }
1972         }
1973         return 0;
1974 }
1975
1976 void matroxfb_unregister_driver(struct matroxfb_driver* drv) {
1977         struct matrox_fb_info* minfo;
1978
1979         list_del(&drv->node);
1980         for (minfo = matroxfb_l(matroxfb_list.next);
1981              minfo != matroxfb_l(&matroxfb_list);
1982              minfo = matroxfb_l(minfo->next_fb.next)) {
1983                 int i;
1984
1985                 for (i = 0; i < minfo->drivers_count; ) {
1986                         if (minfo->drivers[i] == drv) {
1987                                 if (drv && drv->remove)
1988                                         drv->remove(minfo, minfo->drivers_data[i]);
1989                                 minfo->drivers[i] = minfo->drivers[--minfo->drivers_count];
1990                                 minfo->drivers_data[i] = minfo->drivers_data[minfo->drivers_count];
1991                         } else
1992                                 i++;
1993                 }
1994         }
1995 }
1996
1997 static void matroxfb_register_device(struct matrox_fb_info* minfo) {
1998         struct matroxfb_driver* drv;
1999         int i = 0;
2000         list_add(&minfo->next_fb, &matroxfb_list);
2001         for (drv = matroxfb_driver_l(matroxfb_driver_list.next);
2002              drv != matroxfb_driver_l(&matroxfb_driver_list);
2003              drv = matroxfb_driver_l(drv->node.next)) {
2004                 if (drv && drv->probe) {
2005                         void *p = drv->probe(minfo);
2006                         if (p) {
2007                                 minfo->drivers_data[i] = p;
2008                                 minfo->drivers[i++] = drv;
2009                                 if (i == MATROXFB_MAX_FB_DRIVERS)
2010                                         break;
2011                         }
2012                 }
2013         }
2014         minfo->drivers_count = i;
2015 }
2016
2017 static void matroxfb_unregister_device(struct matrox_fb_info* minfo) {
2018         int i;
2019
2020         list_del(&minfo->next_fb);
2021         for (i = 0; i < minfo->drivers_count; i++) {
2022                 struct matroxfb_driver* drv = minfo->drivers[i];
2023
2024                 if (drv && drv->remove)
2025                         drv->remove(minfo, minfo->drivers_data[i]);
2026         }
2027 }
2028
2029 static int matroxfb_probe(struct pci_dev* pdev, const struct pci_device_id* dummy) {
2030         struct board* b;
2031         u_int16_t svid;
2032         u_int16_t sid;
2033         struct matrox_fb_info* minfo;
2034         int err;
2035         u_int32_t cmd;
2036         DBG(__func__)
2037
2038         svid = pdev->subsystem_vendor;
2039         sid = pdev->subsystem_device;
2040         for (b = dev_list; b->vendor; b++) {
2041                 if ((b->vendor != pdev->vendor) || (b->device != pdev->device) || (b->rev < pdev->revision)) continue;
2042                 if (b->svid)
2043                         if ((b->svid != svid) || (b->sid != sid)) continue;
2044                 break;
2045         }
2046         /* not match... */
2047         if (!b->vendor)
2048                 return -ENODEV;
2049         if (dev > 0) {
2050                 /* not requested one... */
2051                 dev--;
2052                 return -ENODEV;
2053         }
2054         pci_read_config_dword(pdev, PCI_COMMAND, &cmd);
2055         if (pci_enable_device(pdev)) {
2056                 return -1;
2057         }
2058
2059         minfo = kzalloc(sizeof(*minfo), GFP_KERNEL);
2060         if (!minfo)
2061                 return -1;
2062
2063         minfo->pcidev = pdev;
2064         minfo->dead = 0;
2065         minfo->usecount = 0;
2066         minfo->userusecount = 0;
2067
2068         pci_set_drvdata(pdev, minfo);
2069         /* DEVFLAGS */
2070         minfo->devflags.memtype = memtype;
2071         if (memtype != -1)
2072                 noinit = 0;
2073         if (cmd & PCI_COMMAND_MEMORY) {
2074                 minfo->devflags.novga = novga;
2075                 minfo->devflags.nobios = nobios;
2076                 minfo->devflags.noinit = noinit;
2077                 /* subsequent heads always needs initialization and must not enable BIOS */
2078                 novga = 1;
2079                 nobios = 1;
2080                 noinit = 0;
2081         } else {
2082                 minfo->devflags.novga = 1;
2083                 minfo->devflags.nobios = 1;
2084                 minfo->devflags.noinit = 0;
2085         }
2086
2087         minfo->devflags.nopciretry = no_pci_retry;
2088         minfo->devflags.mga_24bpp_fix = inv24;
2089         minfo->devflags.precise_width = option_precise_width;
2090         minfo->devflags.sgram = sgram;
2091         minfo->capable.cross4MB = cross4MB;
2092
2093         spin_lock_init(&minfo->lock.DAC);
2094         spin_lock_init(&minfo->lock.accel);
2095         init_rwsem(&minfo->crtc2.lock);
2096         init_rwsem(&minfo->altout.lock);
2097         mutex_init(&minfo->fbcon.mm_lock);
2098         minfo->irq_flags = 0;
2099         init_waitqueue_head(&minfo->crtc1.vsync.wait);
2100         init_waitqueue_head(&minfo->crtc2.vsync.wait);
2101         minfo->crtc1.panpos = -1;
2102
2103         err = initMatrox2(minfo, b);
2104         if (!err) {
2105                 matroxfb_register_device(minfo);
2106                 return 0;
2107         }
2108         kfree(minfo);
2109         return -1;
2110 }
2111
2112 static void pci_remove_matrox(struct pci_dev* pdev) {
2113         struct matrox_fb_info* minfo;
2114
2115         minfo = pci_get_drvdata(pdev);
2116         matroxfb_remove(minfo, 1);
2117 }
2118
2119 static struct pci_device_id matroxfb_devices[] = {
2120 #ifdef CONFIG_FB_MATROX_MILLENIUM
2121         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL,
2122                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2123         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2,
2124                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2125         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2_AGP,
2126                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2127 #endif
2128 #ifdef CONFIG_FB_MATROX_MYSTIQUE
2129         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,
2130                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2131 #endif
2132 #ifdef CONFIG_FB_MATROX_G
2133         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_MM,
2134                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2135         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_AGP,
2136                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2137         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_PCI,
2138                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2139         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,
2140                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2141         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,
2142                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2143         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G550,
2144                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2145 #endif
2146         {0,                     0,
2147                 0,              0,              0, 0, 0}
2148 };
2149
2150 MODULE_DEVICE_TABLE(pci, matroxfb_devices);
2151
2152
2153 static struct pci_driver matroxfb_driver = {
2154         .name =         "matroxfb",
2155         .id_table =     matroxfb_devices,
2156         .probe =        matroxfb_probe,
2157         .remove =       pci_remove_matrox,
2158 };
2159
2160 /* **************************** init-time only **************************** */
2161
2162 #define RSResolution(X) ((X) & 0x0F)
2163 #define RS640x400       1
2164 #define RS640x480       2
2165 #define RS800x600       3
2166 #define RS1024x768      4
2167 #define RS1280x1024     5
2168 #define RS1600x1200     6
2169 #define RS768x576       7
2170 #define RS960x720       8
2171 #define RS1152x864      9
2172 #define RS1408x1056     10
2173 #define RS640x350       11
2174 #define RS1056x344      12      /* 132 x 43 text */
2175 #define RS1056x400      13      /* 132 x 50 text */
2176 #define RS1056x480      14      /* 132 x 60 text */
2177 #define RSNoxNo         15
2178 /* 10-FF */
2179 static struct { int xres, yres, left, right, upper, lower, hslen, vslen, vfreq; } timmings[] __initdata = {
2180         {  640,  400,  48, 16, 39,  8,  96, 2, 70 },
2181         {  640,  480,  48, 16, 33, 10,  96, 2, 60 },
2182         {  800,  600, 144, 24, 28,  8, 112, 6, 60 },
2183         { 1024,  768, 160, 32, 30,  4, 128, 4, 60 },
2184         { 1280, 1024, 224, 32, 32,  4, 136, 4, 60 },
2185         { 1600, 1200, 272, 48, 32,  5, 152, 5, 60 },
2186         {  768,  576, 144, 16, 28,  6, 112, 4, 60 },
2187         {  960,  720, 144, 24, 28,  8, 112, 4, 60 },
2188         { 1152,  864, 192, 32, 30,  4, 128, 4, 60 },
2189         { 1408, 1056, 256, 40, 32,  5, 144, 5, 60 },
2190         {  640,  350,  48, 16, 39,  8,  96, 2, 70 },
2191         { 1056,  344,  96, 24, 59, 44, 160, 2, 70 },
2192         { 1056,  400,  96, 24, 39,  8, 160, 2, 70 },
2193         { 1056,  480,  96, 24, 36, 12, 160, 3, 60 },
2194         {    0,    0,  ~0, ~0, ~0, ~0,   0, 0,  0 }
2195 };
2196
2197 #define RSCreate(X,Y)   ((X) | ((Y) << 8))
2198 static struct { unsigned int vesa; unsigned int info; } *RSptr, vesamap[] __initdata = {
2199 /* default must be first */
2200         {    ~0, RSCreate(RSNoxNo,     RS8bpp ) },
2201         { 0x101, RSCreate(RS640x480,   RS8bpp ) },
2202         { 0x100, RSCreate(RS640x400,   RS8bpp ) },
2203         { 0x180, RSCreate(RS768x576,   RS8bpp ) },
2204         { 0x103, RSCreate(RS800x600,   RS8bpp ) },
2205         { 0x188, RSCreate(RS960x720,   RS8bpp ) },
2206         { 0x105, RSCreate(RS1024x768,  RS8bpp ) },
2207         { 0x190, RSCreate(RS1152x864,  RS8bpp ) },
2208         { 0x107, RSCreate(RS1280x1024, RS8bpp ) },
2209         { 0x198, RSCreate(RS1408x1056, RS8bpp ) },
2210         { 0x11C, RSCreate(RS1600x1200, RS8bpp ) },
2211         { 0x110, RSCreate(RS640x480,   RS15bpp) },
2212         { 0x181, RSCreate(RS768x576,   RS15bpp) },
2213         { 0x113, RSCreate(RS800x600,   RS15bpp) },
2214         { 0x189, RSCreate(RS960x720,   RS15bpp) },
2215         { 0x116, RSCreate(RS1024x768,  RS15bpp) },
2216         { 0x191, RSCreate(RS1152x864,  RS15bpp) },
2217         { 0x119, RSCreate(RS1280x1024, RS15bpp) },
2218         { 0x199, RSCreate(RS1408x1056, RS15bpp) },
2219         { 0x11D, RSCreate(RS1600x1200, RS15bpp) },
2220         { 0x111, RSCreate(RS640x480,   RS16bpp) },
2221         { 0x182, RSCreate(RS768x576,   RS16bpp) },
2222         { 0x114, RSCreate(RS800x600,   RS16bpp) },
2223         { 0x18A, RSCreate(RS960x720,   RS16bpp) },
2224         { 0x117, RSCreate(RS1024x768,  RS16bpp) },
2225         { 0x192, RSCreate(RS1152x864,  RS16bpp) },
2226         { 0x11A, RSCreate(RS1280x1024, RS16bpp) },
2227         { 0x19A, RSCreate(RS1408x1056, RS16bpp) },
2228         { 0x11E, RSCreate(RS1600x1200, RS16bpp) },
2229         { 0x1B2, RSCreate(RS640x480,   RS24bpp) },
2230         { 0x184, RSCreate(RS768x576,   RS24bpp) },
2231         { 0x1B5, RSCreate(RS800x600,   RS24bpp) },
2232         { 0x18C, RSCreate(RS960x720,   RS24bpp) },
2233         { 0x1B8, RSCreate(RS1024x768,  RS24bpp) },
2234         { 0x194, RSCreate(RS1152x864,  RS24bpp) },
2235         { 0x1BB, RSCreate(RS1280x1024, RS24bpp) },
2236         { 0x19C, RSCreate(RS1408x1056, RS24bpp) },
2237         { 0x1BF, RSCreate(RS1600x1200, RS24bpp) },
2238         { 0x112, RSCreate(RS640x480,   RS32bpp) },
2239         { 0x183, RSCreate(RS768x576,   RS32bpp) },
2240         { 0x115, RSCreate(RS800x600,   RS32bpp) },
2241         { 0x18B, RSCreate(RS960x720,   RS32bpp) },
2242         { 0x118, RSCreate(RS1024x768,  RS32bpp) },
2243         { 0x193, RSCreate(RS1152x864,  RS32bpp) },
2244         { 0x11B, RSCreate(RS1280x1024, RS32bpp) },
2245         { 0x19B, RSCreate(RS1408x1056, RS32bpp) },
2246         { 0x11F, RSCreate(RS1600x1200, RS32bpp) },
2247         { 0x010, RSCreate(RS640x350,   RS4bpp ) },
2248         { 0x012, RSCreate(RS640x480,   RS4bpp ) },
2249         { 0x102, RSCreate(RS800x600,   RS4bpp ) },
2250         { 0x104, RSCreate(RS1024x768,  RS4bpp ) },
2251         { 0x106, RSCreate(RS1280x1024, RS4bpp ) },
2252         {     0, 0                              }};
2253
2254 static void __init matroxfb_init_params(void) {
2255         /* fh from kHz to Hz */
2256         if (fh < 1000)
2257                 fh *= 1000;     /* 1kHz minimum */
2258         /* maxclk */
2259         if (maxclk < 1000) maxclk *= 1000;      /* kHz -> Hz, MHz -> kHz */
2260         if (maxclk < 1000000) maxclk *= 1000;   /* kHz -> Hz, 1MHz minimum */
2261         /* fix VESA number */
2262         if (vesa != ~0)
2263                 vesa &= 0x1DFF;         /* mask out clearscreen, acceleration and so on */
2264
2265         /* static settings */
2266         for (RSptr = vesamap; RSptr->vesa; RSptr++) {
2267                 if (RSptr->vesa == vesa) break;
2268         }
2269         if (!RSptr->vesa) {
2270                 printk(KERN_ERR "Invalid vesa mode 0x%04X\n", vesa);
2271                 RSptr = vesamap;
2272         }
2273         {
2274                 int res = RSResolution(RSptr->info)-1;
2275                 if (left == ~0)
2276                         left = timmings[res].left;
2277                 if (!xres)
2278                         xres = timmings[res].xres;
2279                 if (right == ~0)
2280                         right = timmings[res].right;
2281                 if (!hslen)
2282                         hslen = timmings[res].hslen;
2283                 if (upper == ~0)
2284                         upper = timmings[res].upper;
2285                 if (!yres)
2286                         yres = timmings[res].yres;
2287                 if (lower == ~0)
2288                         lower = timmings[res].lower;
2289                 if (!vslen)
2290                         vslen = timmings[res].vslen;
2291                 if (!(fv||fh||maxclk||pixclock))
2292                         fv = timmings[res].vfreq;
2293                 if (depth == -1)
2294                         depth = RSDepth(RSptr->info);
2295         }
2296 }
2297
2298 static int __init matrox_init(void) {
2299         int err;
2300
2301         matroxfb_init_params();
2302         err = pci_register_driver(&matroxfb_driver);
2303         dev = -1;       /* accept all new devices... */
2304         return err;
2305 }
2306
2307 /* **************************** exit-time only **************************** */
2308
2309 static void __exit matrox_done(void) {
2310         pci_unregister_driver(&matroxfb_driver);
2311 }
2312
2313 #ifndef MODULE
2314
2315 /* ************************* init in-kernel code ************************** */
2316
2317 static int __init matroxfb_setup(char *options) {
2318         char *this_opt;
2319
2320         DBG(__func__)
2321
2322         if (!options || !*options)
2323                 return 0;
2324
2325         while ((this_opt = strsep(&options, ",")) != NULL) {
2326                 if (!*this_opt) continue;
2327
2328                 dprintk("matroxfb_setup: option %s\n", this_opt);
2329
2330                 if (!strncmp(this_opt, "dev:", 4))
2331                         dev = simple_strtoul(this_opt+4, NULL, 0);
2332                 else if (!strncmp(this_opt, "depth:", 6)) {
2333                         switch (simple_strtoul(this_opt+6, NULL, 0)) {
2334                                 case 0: depth = RSText; break;
2335                                 case 4: depth = RS4bpp; break;
2336                                 case 8: depth = RS8bpp; break;
2337                                 case 15:depth = RS15bpp; break;
2338                                 case 16:depth = RS16bpp; break;
2339                                 case 24:depth = RS24bpp; break;
2340                                 case 32:depth = RS32bpp; break;
2341                                 default:
2342                                         printk(KERN_ERR "matroxfb: unsupported color depth\n");
2343                         }
2344                 } else if (!strncmp(this_opt, "xres:", 5))
2345                         xres = simple_strtoul(this_opt+5, NULL, 0);
2346                 else if (!strncmp(this_opt, "yres:", 5))
2347                         yres = simple_strtoul(this_opt+5, NULL, 0);
2348                 else if (!strncmp(this_opt, "vslen:", 6))
2349                         vslen = simple_strtoul(this_opt+6, NULL, 0);
2350                 else if (!strncmp(this_opt, "hslen:", 6))
2351                         hslen = simple_strtoul(this_opt+6, NULL, 0);
2352                 else if (!strncmp(this_opt, "left:", 5))
2353                         left = simple_strtoul(this_opt+5, NULL, 0);
2354                 else if (!strncmp(this_opt, "right:", 6))
2355                         right = simple_strtoul(this_opt+6, NULL, 0);
2356                 else if (!strncmp(this_opt, "upper:", 6))
2357                         upper = simple_strtoul(this_opt+6, NULL, 0);
2358                 else if (!strncmp(this_opt, "lower:", 6))
2359                         lower = simple_strtoul(this_opt+6, NULL, 0);
2360                 else if (!strncmp(this_opt, "pixclock:", 9))
2361                         pixclock = simple_strtoul(this_opt+9, NULL, 0);
2362                 else if (!strncmp(this_opt, "sync:", 5))
2363                         sync = simple_strtoul(this_opt+5, NULL, 0);
2364                 else if (!strncmp(this_opt, "vesa:", 5))
2365                         vesa = simple_strtoul(this_opt+5, NULL, 0);
2366                 else if (!strncmp(this_opt, "maxclk:", 7))
2367                         maxclk = simple_strtoul(this_opt+7, NULL, 0);
2368                 else if (!strncmp(this_opt, "fh:", 3))
2369                         fh = simple_strtoul(this_opt+3, NULL, 0);
2370                 else if (!strncmp(this_opt, "fv:", 3))
2371                         fv = simple_strtoul(this_opt+3, NULL, 0);
2372                 else if (!strncmp(this_opt, "mem:", 4))
2373                         mem = simple_strtoul(this_opt+4, NULL, 0);
2374                 else if (!strncmp(this_opt, "mode:", 5))
2375                         strlcpy(videomode, this_opt+5, sizeof(videomode));
2376                 else if (!strncmp(this_opt, "outputs:", 8))
2377                         strlcpy(outputs, this_opt+8, sizeof(outputs));
2378                 else if (!strncmp(this_opt, "dfp:", 4)) {
2379                         dfp_type = simple_strtoul(this_opt+4, NULL, 0);
2380                         dfp = 1;
2381                 }
2382 #ifdef CONFIG_PPC_PMAC
2383                 else if (!strncmp(this_opt, "vmode:", 6)) {
2384                         unsigned int vmode = simple_strtoul(this_opt+6, NULL, 0);
2385                         if (vmode > 0 && vmode <= VMODE_MAX)
2386                                 default_vmode = vmode;
2387                 } else if (!strncmp(this_opt, "cmode:", 6)) {
2388                         unsigned int cmode = simple_strtoul(this_opt+6, NULL, 0);
2389                         switch (cmode) {
2390                                 case 0:
2391                                 case 8:
2392                                         default_cmode = CMODE_8;
2393                                         break;
2394                                 case 15:
2395                                 case 16:
2396                                         default_cmode = CMODE_16;
2397                                         break;
2398                                 case 24:
2399                                 case 32:
2400                                         default_cmode = CMODE_32;
2401                                         break;
2402                         }
2403                 }
2404 #endif
2405                 else if (!strcmp(this_opt, "disabled")) /* nodisabled does not exist */
2406                         disabled = 1;
2407                 else if (!strcmp(this_opt, "enabled"))  /* noenabled does not exist */
2408                         disabled = 0;
2409                 else if (!strcmp(this_opt, "sgram"))    /* nosgram == sdram */
2410                         sgram = 1;
2411                 else if (!strcmp(this_opt, "sdram"))
2412                         sgram = 0;
2413                 else if (!strncmp(this_opt, "memtype:", 8))
2414                         memtype = simple_strtoul(this_opt+8, NULL, 0);
2415                 else {
2416                         int value = 1;
2417
2418                         if (!strncmp(this_opt, "no", 2)) {
2419                                 value = 0;
2420                                 this_opt += 2;
2421                         }
2422                         if (! strcmp(this_opt, "inverse"))
2423                                 inverse = value;
2424                         else if (!strcmp(this_opt, "accel"))
2425                                 noaccel = !value;
2426                         else if (!strcmp(this_opt, "pan"))
2427                                 nopan = !value;
2428                         else if (!strcmp(this_opt, "pciretry"))
2429                                 no_pci_retry = !value;
2430                         else if (!strcmp(this_opt, "vga"))
2431                                 novga = !value;
2432                         else if (!strcmp(this_opt, "bios"))
2433                                 nobios = !value;
2434                         else if (!strcmp(this_opt, "init"))
2435                                 noinit = !value;
2436                         else if (!strcmp(this_opt, "mtrr"))
2437                                 mtrr = value;
2438                         else if (!strcmp(this_opt, "inv24"))
2439                                 inv24 = value;
2440                         else if (!strcmp(this_opt, "cross4MB"))
2441                                 cross4MB = value;
2442                         else if (!strcmp(this_opt, "grayscale"))
2443                                 grayscale = value;
2444                         else if (!strcmp(this_opt, "dfp"))
2445                                 dfp = value;
2446                         else {
2447                                 strlcpy(videomode, this_opt, sizeof(videomode));
2448                         }
2449                 }
2450         }
2451         return 0;
2452 }
2453
2454 static int __initdata initialized = 0;
2455
2456 static int __init matroxfb_init(void)
2457 {
2458         char *option = NULL;
2459         int err = 0;
2460
2461         DBG(__func__)
2462
2463         if (fb_get_options("matroxfb", &option))
2464                 return -ENODEV;
2465         matroxfb_setup(option);
2466
2467         if (disabled)
2468                 return -ENXIO;
2469         if (!initialized) {
2470                 initialized = 1;
2471                 err = matrox_init();
2472         }
2473         hotplug = 1;
2474         /* never return failure, user can hotplug matrox later... */
2475         return err;
2476 }
2477
2478 module_init(matroxfb_init);
2479
2480 #else
2481
2482 /* *************************** init module code **************************** */
2483
2484 MODULE_AUTHOR("(c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>");
2485 MODULE_DESCRIPTION("Accelerated FBDev driver for Matrox Millennium/Mystique/G100/G200/G400/G450/G550");
2486 MODULE_LICENSE("GPL");
2487
2488 module_param(mem, int, 0);
2489 MODULE_PARM_DESC(mem, "Size of available memory in MB, KB or B (2,4,8,12,16MB, default=autodetect)");
2490 module_param(disabled, int, 0);
2491 MODULE_PARM_DESC(disabled, "Disabled (0 or 1=disabled) (default=0)");
2492 module_param(noaccel, int, 0);
2493 MODULE_PARM_DESC(noaccel, "Do not use accelerating engine (0 or 1=disabled) (default=0)");
2494 module_param(nopan, int, 0);
2495 MODULE_PARM_DESC(nopan, "Disable pan on startup (0 or 1=disabled) (default=0)");
2496 module_param(no_pci_retry, int, 0);
2497 MODULE_PARM_DESC(no_pci_retry, "PCI retries enabled (0 or 1=disabled) (default=0)");
2498 module_param(novga, int, 0);
2499 MODULE_PARM_DESC(novga, "VGA I/O (0x3C0-0x3DF) disabled (0 or 1=disabled) (default=0)");
2500 module_param(nobios, int, 0);
2501 MODULE_PARM_DESC(nobios, "Disables ROM BIOS (0 or 1=disabled) (default=do not change BIOS state)");
2502 module_param(noinit, int, 0);
2503 MODULE_PARM_DESC(noinit, "Disables W/SG/SD-RAM and bus interface initialization (0 or 1=do not initialize) (default=0)");
2504 module_param(memtype, int, 0);
2505 MODULE_PARM_DESC(memtype, "Memory type for G200/G400 (see Documentation/fb/matroxfb.txt for explanation) (default=3 for G200, 0 for G400)");
2506 module_param(mtrr, int, 0);
2507 MODULE_PARM_DESC(mtrr, "This speeds up video memory accesses (0=disabled or 1) (default=1)");
2508 module_param(sgram, int, 0);
2509 MODULE_PARM_DESC(sgram, "Indicates that G100/G200/G400 has SGRAM memory (0=SDRAM, 1=SGRAM) (default=0)");
2510 module_param(inv24, int, 0);
2511 MODULE_PARM_DESC(inv24, "Inverts clock polarity for 24bpp and loop frequency > 100MHz (default=do not invert polarity)");
2512 module_param(inverse, int, 0);
2513 MODULE_PARM_DESC(inverse, "Inverse (0 or 1) (default=0)");
2514 module_param(dev, int, 0);
2515 MODULE_PARM_DESC(dev, "Multihead support, attach to device ID (0..N) (default=all working)");
2516 module_param(vesa, int, 0);
2517 MODULE_PARM_DESC(vesa, "Startup videomode (0x000-0x1FF) (default=0x101)");
2518 module_param(xres, int, 0);
2519 MODULE_PARM_DESC(xres, "Horizontal resolution (px), overrides xres from vesa (default=vesa)");
2520 module_param(yres, int, 0);
2521 MODULE_PARM_DESC(yres, "Vertical resolution (scans), overrides yres from vesa (default=vesa)");
2522 module_param(upper, int, 0);
2523 MODULE_PARM_DESC(upper, "Upper blank space (scans), overrides upper from vesa (default=vesa)");
2524 module_param(lower, int, 0);
2525 MODULE_PARM_DESC(lower, "Lower blank space (scans), overrides lower from vesa (default=vesa)");
2526 module_param(vslen, int, 0);
2527 MODULE_PARM_DESC(vslen, "Vertical sync length (scans), overrides lower from vesa (default=vesa)");
2528 module_param(left, int, 0);
2529 MODULE_PARM_DESC(left, "Left blank space (px), overrides left from vesa (default=vesa)");
2530 module_param(right, int, 0);
2531 MODULE_PARM_DESC(right, "Right blank space (px), overrides right from vesa (default=vesa)");
2532 module_param(hslen, int, 0);
2533 MODULE_PARM_DESC(hslen, "Horizontal sync length (px), overrides hslen from vesa (default=vesa)");
2534 module_param(pixclock, int, 0);
2535 MODULE_PARM_DESC(pixclock, "Pixelclock (ns), overrides pixclock from vesa (default=vesa)");
2536 module_param(sync, int, 0);
2537 MODULE_PARM_DESC(sync, "Sync polarity, overrides sync from vesa (default=vesa)");
2538 module_param(depth, int, 0);
2539 MODULE_PARM_DESC(depth, "Color depth (0=text,8,15,16,24,32) (default=vesa)");
2540 module_param(maxclk, int, 0);
2541 MODULE_PARM_DESC(maxclk, "Startup maximal clock, 0-999MHz, 1000-999999kHz, 1000000-INF Hz");
2542 module_param(fh, int, 0);
2543 MODULE_PARM_DESC(fh, "Startup horizontal frequency, 0-999kHz, 1000-INF Hz");
2544 module_param(fv, int, 0);
2545 MODULE_PARM_DESC(fv, "Startup vertical frequency, 0-INF Hz\n"
2546 "You should specify \"fv:max_monitor_vsync,fh:max_monitor_hsync,maxclk:max_monitor_dotclock\"");
2547 module_param(grayscale, int, 0);
2548 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)");
2549 module_param(cross4MB, int, 0);
2550 MODULE_PARM_DESC(cross4MB, "Specifies that 4MB boundary can be in middle of line. (default=autodetected)");
2551 module_param(dfp, int, 0);
2552 MODULE_PARM_DESC(dfp, "Specifies whether to use digital flat panel interface of G200/G400 (0 or 1) (default=0)");
2553 module_param(dfp_type, int, 0);
2554 MODULE_PARM_DESC(dfp_type, "Specifies DFP interface type (0 to 255) (default=read from hardware)");
2555 module_param_string(outputs, outputs, sizeof(outputs), 0);
2556 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)");
2557 #ifdef CONFIG_PPC_PMAC
2558 module_param_named(vmode, default_vmode, int, 0);
2559 MODULE_PARM_DESC(vmode, "Specify the vmode mode number that should be used (640x480 default)");
2560 module_param_named(cmode, default_cmode, int, 0);
2561 MODULE_PARM_DESC(cmode, "Specify the video depth that should be used (8bit default)");
2562 #endif
2563
2564 int __init init_module(void){
2565
2566         DBG(__func__)
2567
2568         if (disabled)
2569                 return -ENXIO;
2570
2571         if (depth == 0)
2572                 depth = RSText;
2573         else if (depth == 4)
2574                 depth = RS4bpp;
2575         else if (depth == 8)
2576                 depth = RS8bpp;
2577         else if (depth == 15)
2578                 depth = RS15bpp;
2579         else if (depth == 16)
2580                 depth = RS16bpp;
2581         else if (depth == 24)
2582                 depth = RS24bpp;
2583         else if (depth == 32)
2584                 depth = RS32bpp;
2585         else if (depth != -1) {
2586                 printk(KERN_ERR "matroxfb: depth %d is not supported, using default\n", depth);
2587                 depth = -1;
2588         }
2589         matrox_init();
2590         /* never return failure; user can hotplug matrox later... */
2591         return 0;
2592 }
2593 #endif  /* MODULE */
2594
2595 module_exit(matrox_done);
2596 EXPORT_SYMBOL(matroxfb_register_driver);
2597 EXPORT_SYMBOL(matroxfb_unregister_driver);
2598 EXPORT_SYMBOL(matroxfb_wait_for_sync);
2599 EXPORT_SYMBOL(matroxfb_enable_irq);
2600
2601 /*
2602  * Overrides for Emacs so that we follow Linus's tabbing style.
2603  * ---------------------------------------------------------------------------
2604  * Local variables:
2605  * c-basic-offset: 8
2606  * End:
2607  */
2608