linux/drivers/video/matrox/matroxfb_base.c
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   1/*
   2 *
   3 * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200 and G400
   4 *
   5 * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>
   6 *
   7 * Portions Copyright (c) 2001 Matrox Graphics Inc.
   8 *
   9 * Version: 1.65 2002/08/14
  10 *
  11 * MTRR stuff: 1998 Tom Rini <trini@kernel.crashing.org>
  12 *
  13 * Contributors: "menion?" <menion@mindless.com>
  14 *                     Betatesting, fixes, ideas
  15 *
  16 *               "Kurt Garloff" <garloff@suse.de>
  17 *                     Betatesting, fixes, ideas, videomodes, videomodes timmings
  18 *
  19 *               "Tom Rini" <trini@kernel.crashing.org>
  20 *                     MTRR stuff, PPC cleanups, betatesting, fixes, ideas
  21 *
  22 *               "Bibek Sahu" <scorpio@dodds.net>
  23 *                     Access device through readb|w|l and write b|w|l
  24 *                     Extensive debugging stuff
  25 *
  26 *               "Daniel Haun" <haund@usa.net>
  27 *                     Testing, hardware cursor fixes
  28 *
  29 *               "Scott Wood" <sawst46+@pitt.edu>
  30 *                     Fixes
  31 *
  32 *               "Gerd Knorr" <kraxel@goldbach.isdn.cs.tu-berlin.de>
  33 *                     Betatesting
  34 *
  35 *               "Kelly French" <targon@hazmat.com>
  36 *               "Fernando Herrera" <fherrera@eurielec.etsit.upm.es>
  37 *                     Betatesting, bug reporting
  38 *
  39 *               "Pablo Bianucci" <pbian@pccp.com.ar>
  40 *                     Fixes, ideas, betatesting
  41 *
  42 *               "Inaky Perez Gonzalez" <inaky@peloncho.fis.ucm.es>
  43 *                     Fixes, enhandcements, ideas, betatesting
  44 *
  45 *               "Ryuichi Oikawa" <roikawa@rr.iiij4u.or.jp>
  46 *                     PPC betatesting, PPC support, backward compatibility
  47 *
  48 *               "Paul Womar" <Paul@pwomar.demon.co.uk>
  49 *               "Owen Waller" <O.Waller@ee.qub.ac.uk>
  50 *                     PPC betatesting
  51 *
  52 *               "Thomas Pornin" <pornin@bolet.ens.fr>
  53 *                     Alpha betatesting
  54 *
  55 *               "Pieter van Leuven" <pvl@iae.nl>
  56 *               "Ulf Jaenicke-Roessler" <ujr@physik.phy.tu-dresden.de>
  57 *                     G100 testing
  58 *
  59 *               "H. Peter Arvin" <hpa@transmeta.com>
  60 *                     Ideas
  61 *
  62 *               "Cort Dougan" <cort@cs.nmt.edu>
  63 *                     CHRP fixes and PReP cleanup
  64 *
  65 *               "Mark Vojkovich" <mvojkovi@ucsd.edu>
  66 *                     G400 support
  67 *
  68 *               "Samuel Hocevar" <sam@via.ecp.fr>
  69 *                     Fixes
  70 *
  71 *               "Anton Altaparmakov" <AntonA@bigfoot.com>
  72 *                     G400 MAX/non-MAX distinction
  73 *
  74 *               "Ken Aaker" <kdaaker@rchland.vnet.ibm.com>
  75 *                     memtype extension (needed for GXT130P RS/6000 adapter)
  76 *
  77 *               "Uns Lider" <unslider@miranda.org>
  78 *                     G100 PLNWT fixes
  79 *
  80 *               "Denis Zaitsev" <zzz@cd-club.ru>
  81 *                     Fixes
  82 *
  83 *               "Mike Pieper" <mike@pieper-family.de>
  84 *                     TVOut enhandcements, V4L2 control interface.
  85 *
  86 *               "Diego Biurrun" <diego@biurrun.de>
  87 *                     DFP testing
  88 *
  89 * (following author is not in any relation with this code, but his code
  90 *  is included in this driver)
  91 *
  92 * Based on framebuffer driver for VBE 2.0 compliant graphic boards
  93 *     (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de>
  94 *
  95 * (following author is not in any relation with this code, but his ideas
  96 *  were used when writing this driver)
  97 *
  98 *               FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk>
  99 *
 100 */
 101
 102#include <linux/version.h>
 103
 104#define __OLD_VIDIOC_
 105
 106#include "matroxfb_base.h"
 107#include "matroxfb_misc.h"
 108#include "matroxfb_accel.h"
 109#include "matroxfb_DAC1064.h"
 110#include "matroxfb_Ti3026.h"
 111#include "matroxfb_maven.h"
 112#include "matroxfb_crtc2.h"
 113#include "matroxfb_g450.h"
 114#include <linux/matroxfb.h>
 115#include <linux/interrupt.h>
 116#include <linux/uaccess.h>
 117
 118#ifdef CONFIG_PPC_PMAC
 119#include <asm/machdep.h>
 120unsigned char nvram_read_byte(int);
 121static int default_vmode = VMODE_NVRAM;
 122static int default_cmode = CMODE_NVRAM;
 123#endif
 124
 125static void matroxfb_unregister_device(struct matrox_fb_info* minfo);
 126
 127/* --------------------------------------------------------------------- */
 128
 129/*
 130 * card parameters
 131 */
 132
 133/* --------------------------------------------------------------------- */
 134
 135static struct fb_var_screeninfo vesafb_defined = {
 136        640,480,640,480,/* W,H, W, H (virtual) load xres,xres_virtual*/
 137        0,0,            /* virtual -> visible no offset */
 138        8,              /* depth -> load bits_per_pixel */
 139        0,              /* greyscale ? */
 140        {0,0,0},        /* R */
 141        {0,0,0},        /* G */
 142        {0,0,0},        /* B */
 143        {0,0,0},        /* transparency */
 144        0,              /* standard pixel format */
 145        FB_ACTIVATE_NOW,
 146        -1,-1,
 147        FB_ACCELF_TEXT, /* accel flags */
 148        39721L,48L,16L,33L,10L,
 149        96L,2L,~0,      /* No sync info */
 150        FB_VMODE_NONINTERLACED,
 151        0, {0,0,0,0,0}
 152};
 153
 154
 155
 156/* --------------------------------------------------------------------- */
 157static void update_crtc2(WPMINFO unsigned int pos) {
 158        struct matroxfb_dh_fb_info* info = ACCESS_FBINFO(crtc2.info);
 159
 160        /* Make sure that displays are compatible */
 161        if (info && (info->fbcon.var.bits_per_pixel == ACCESS_FBINFO(fbcon).var.bits_per_pixel)
 162                 && (info->fbcon.var.xres_virtual == ACCESS_FBINFO(fbcon).var.xres_virtual)
 163                 && (info->fbcon.var.green.length == ACCESS_FBINFO(fbcon).var.green.length)
 164                 ) {
 165                switch (ACCESS_FBINFO(fbcon).var.bits_per_pixel) {
 166                        case 16:
 167                        case 32:
 168                                pos = pos * 8;
 169                                if (info->interlaced) {
 170                                        mga_outl(0x3C2C, pos);
 171                                        mga_outl(0x3C28, pos + ACCESS_FBINFO(fbcon).var.xres_virtual * ACCESS_FBINFO(fbcon).var.bits_per_pixel / 8);
 172                                } else {
 173                                        mga_outl(0x3C28, pos);
 174                                }
 175                                break;
 176                }
 177        }
 178}
 179
 180static void matroxfb_crtc1_panpos(WPMINFO2) {
 181        if (ACCESS_FBINFO(crtc1.panpos) >= 0) {
 182                unsigned long flags;
 183                int panpos;
 184
 185                matroxfb_DAC_lock_irqsave(flags);
 186                panpos = ACCESS_FBINFO(crtc1.panpos);
 187                if (panpos >= 0) {
 188                        unsigned int extvga_reg;
 189
 190                        ACCESS_FBINFO(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
 201static irqreturn_t matrox_irq(int irq, void *dev_id)
 202{
 203        u_int32_t status;
 204        int handled = 0;
 205
 206        MINFO_FROM(dev_id);
 207
 208        status = mga_inl(M_STATUS);
 209
 210        if (status & 0x20) {
 211                mga_outl(M_ICLEAR, 0x20);
 212                ACCESS_FBINFO(crtc1.vsync.cnt)++;
 213                matroxfb_crtc1_panpos(PMINFO2);
 214                wake_up_interruptible(&ACCESS_FBINFO(crtc1.vsync.wait));
 215                handled = 1;
 216        }
 217        if (status & 0x200) {
 218                mga_outl(M_ICLEAR, 0x200);
 219                ACCESS_FBINFO(crtc2.vsync.cnt)++;
 220                wake_up_interruptible(&ACCESS_FBINFO(crtc2.vsync.wait));
 221                handled = 1;
 222        }
 223        return IRQ_RETVAL(handled);
 224}
 225
 226int matroxfb_enable_irq(WPMINFO int reenable) {
 227        u_int32_t bm;
 228
 229        if (ACCESS_FBINFO(devflags.accelerator) == FB_ACCEL_MATROX_MGAG400)
 230                bm = 0x220;
 231        else
 232                bm = 0x020;
 233
 234        if (!test_and_set_bit(0, &ACCESS_FBINFO(irq_flags))) {
 235                if (request_irq(ACCESS_FBINFO(pcidev)->irq, matrox_irq,
 236                                IRQF_SHARED, "matroxfb", MINFO)) {
 237                        clear_bit(0, &ACCESS_FBINFO(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
 255static void matroxfb_disable_irq(WPMINFO2) {
 256        if (test_and_clear_bit(0, &ACCESS_FBINFO(irq_flags))) {
 257                /* Flush pending pan-at-vbl request... */
 258                matroxfb_crtc1_panpos(PMINFO2);
 259                if (ACCESS_FBINFO(devflags.accelerator) == FB_ACCEL_MATROX_MGAG400)
 260                        mga_outl(M_IEN, mga_inl(M_IEN) & ~0x220);
 261                else
 262                        mga_outl(M_IEN, mga_inl(M_IEN) & ~0x20);
 263                free_irq(ACCESS_FBINFO(pcidev)->irq, MINFO);
 264        }
 265}
 266
 267int matroxfb_wait_for_sync(WPMINFO u_int32_t crtc) {
 268        struct matrox_vsync *vs;
 269        unsigned int cnt;
 270        int ret;
 271
 272        switch (crtc) {
 273                case 0:
 274                        vs = &ACCESS_FBINFO(crtc1.vsync);
 275                        break;
 276                case 1:
 277                        if (ACCESS_FBINFO(devflags.accelerator) != FB_ACCEL_MATROX_MGAG400) {
 278                                return -ENODEV;
 279                        }
 280                        vs = &ACCESS_FBINFO(crtc2.vsync);
 281                        break;
 282                default:
 283                        return -ENODEV;
 284        }
 285        ret = matroxfb_enable_irq(PMINFO 0);
 286        if (ret) {
 287                return ret;
 288        }
 289
 290        cnt = vs->cnt;
 291        ret = wait_event_interruptible_timeout(vs->wait, cnt != vs->cnt, HZ/10);
 292        if (ret < 0) {
 293                return ret;
 294        }
 295        if (ret == 0) {
 296                matroxfb_enable_irq(PMINFO 1);
 297                return -ETIMEDOUT;
 298        }
 299        return 0;
 300}
 301
 302/* --------------------------------------------------------------------- */
 303
 304static void matrox_pan_var(WPMINFO struct fb_var_screeninfo *var) {
 305        unsigned int pos;
 306        unsigned short p0, p1, p2;
 307#ifdef CONFIG_FB_MATROX_32MB
 308        unsigned int p3;
 309#endif
 310        int vbl;
 311        unsigned long flags;
 312
 313        CRITFLAGS
 314
 315        DBG(__FUNCTION__)
 316
 317        if (ACCESS_FBINFO(dead))
 318                return;
 319
 320        ACCESS_FBINFO(fbcon).var.xoffset = var->xoffset;
 321        ACCESS_FBINFO(fbcon).var.yoffset = var->yoffset;
 322        pos = (ACCESS_FBINFO(fbcon).var.yoffset * ACCESS_FBINFO(fbcon).var.xres_virtual + ACCESS_FBINFO(fbcon).var.xoffset) * ACCESS_FBINFO(curr.final_bppShift) / 32;
 323        pos += ACCESS_FBINFO(curr.ydstorg.chunks);
 324        p0 = ACCESS_FBINFO(hw).CRTC[0x0D] = pos & 0xFF;
 325        p1 = ACCESS_FBINFO(hw).CRTC[0x0C] = (pos & 0xFF00) >> 8;
 326        p2 = ACCESS_FBINFO(hw).CRTCEXT[0] = (ACCESS_FBINFO(hw).CRTCEXT[0] & 0xB0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
 327#ifdef CONFIG_FB_MATROX_32MB
 328        p3 = ACCESS_FBINFO(hw).CRTCEXT[8] = pos >> 21;
 329#endif
 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(PMINFO 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#ifdef CONFIG_FB_MATROX_32MB
 340        if (ACCESS_FBINFO(devflags.support32MB))
 341                mga_setr(M_EXTVGA_INDEX, 0x08, p3);
 342#endif
 343        if (vbl) {
 344                ACCESS_FBINFO(crtc1.panpos) = p2;
 345        } else {
 346                /* Abort any pending change */
 347                ACCESS_FBINFO(crtc1.panpos) = -1;
 348                mga_setr(M_EXTVGA_INDEX, 0x00, p2);
 349        }
 350        matroxfb_DAC_unlock_irqrestore(flags);
 351
 352        update_crtc2(PMINFO pos);
 353
 354        CRITEND
 355}
 356
 357static void matroxfb_remove(WPMINFO int dummy) {
 358        /* Currently we are holding big kernel lock on all dead & usecount updates.
 359         * Destroy everything after all users release it. Especially do not unregister
 360         * framebuffer and iounmap memory, neither fbmem nor fbcon-cfb* does not check
 361         * for device unplugged when in use.
 362         * In future we should point mmio.vbase & video.vbase somewhere where we can
 363         * write data without causing too much damage...
 364         */
 365
 366        ACCESS_FBINFO(dead) = 1;
 367        if (ACCESS_FBINFO(usecount)) {
 368                /* destroy it later */
 369                return;
 370        }
 371        matroxfb_unregister_device(MINFO);
 372        unregister_framebuffer(&ACCESS_FBINFO(fbcon));
 373        matroxfb_g450_shutdown(PMINFO2);
 374#ifdef CONFIG_MTRR
 375        if (ACCESS_FBINFO(mtrr.vram_valid))
 376                mtrr_del(ACCESS_FBINFO(mtrr.vram), ACCESS_FBINFO(video.base), ACCESS_FBINFO(video.len));
 377#endif
 378        mga_iounmap(ACCESS_FBINFO(mmio.vbase));
 379        mga_iounmap(ACCESS_FBINFO(video.vbase));
 380        release_mem_region(ACCESS_FBINFO(video.base), ACCESS_FBINFO(video.len_maximum));
 381        release_mem_region(ACCESS_FBINFO(mmio.base), 16384);
 382#ifdef CONFIG_FB_MATROX_MULTIHEAD
 383        kfree(minfo);
 384#endif
 385}
 386
 387        /*
 388         * Open/Release the frame buffer device
 389         */
 390
 391static int matroxfb_open(struct fb_info *info, int user)
 392{
 393        MINFO_FROM_INFO(info);
 394
 395        DBG_LOOP(__FUNCTION__)
 396
 397        if (ACCESS_FBINFO(dead)) {
 398                return -ENXIO;
 399        }
 400        ACCESS_FBINFO(usecount)++;
 401        if (user) {
 402                ACCESS_FBINFO(userusecount)++;
 403        }
 404        return(0);
 405}
 406
 407static int matroxfb_release(struct fb_info *info, int user)
 408{
 409        MINFO_FROM_INFO(info);
 410
 411        DBG_LOOP(__FUNCTION__)
 412
 413        if (user) {
 414                if (0 == --ACCESS_FBINFO(userusecount)) {
 415                        matroxfb_disable_irq(PMINFO2);
 416                }
 417        }
 418        if (!(--ACCESS_FBINFO(usecount)) && ACCESS_FBINFO(dead)) {
 419                matroxfb_remove(PMINFO 0);
 420        }
 421        return(0);
 422}
 423
 424static int matroxfb_pan_display(struct fb_var_screeninfo *var,
 425                struct fb_info* info) {
 426        MINFO_FROM_INFO(info);
 427
 428        DBG(__FUNCTION__)
 429
 430        matrox_pan_var(PMINFO var);
 431        return 0;
 432}
 433
 434static int matroxfb_get_final_bppShift(CPMINFO int bpp) {
 435        int bppshft2;
 436
 437        DBG(__FUNCTION__)
 438
 439        bppshft2 = bpp;
 440        if (!bppshft2) {
 441                return 8;
 442        }
 443        if (isInterleave(MINFO))
 444                bppshft2 >>= 1;
 445        if (ACCESS_FBINFO(devflags.video64bits))
 446                bppshft2 >>= 1;
 447        return bppshft2;
 448}
 449
 450static int matroxfb_test_and_set_rounding(CPMINFO int xres, int bpp) {
 451        int over;
 452        int rounding;
 453
 454        DBG(__FUNCTION__)
 455
 456        switch (bpp) {
 457                case 0:         return xres;
 458                case 4:         rounding = 128;
 459                                break;
 460                case 8:         rounding = 64;  /* doc says 64; 32 is OK for G400 */
 461                                break;
 462                case 16:        rounding = 32;
 463                                break;
 464                case 24:        rounding = 64;  /* doc says 64; 32 is OK for G400 */
 465                                break;
 466                default:        rounding = 16;
 467                                /* on G400, 16 really does not work */
 468                                if (ACCESS_FBINFO(devflags.accelerator) == FB_ACCEL_MATROX_MGAG400)
 469                                        rounding = 32;
 470                                break;
 471        }
 472        if (isInterleave(MINFO)) {
 473                rounding *= 2;
 474        }
 475        over = xres % rounding;
 476        if (over)
 477                xres += rounding-over;
 478        return xres;
 479}
 480
 481static int matroxfb_pitch_adjust(CPMINFO int xres, int bpp) {
 482        const int* width;
 483        int xres_new;
 484
 485        DBG(__FUNCTION__)
 486
 487        if (!bpp) return xres;
 488
 489        width = ACCESS_FBINFO(capable.vxres);
 490
 491        if (ACCESS_FBINFO(devflags.precise_width)) {
 492                while (*width) {
 493                        if ((*width >= xres) && (matroxfb_test_and_set_rounding(PMINFO *width, bpp) == *width)) {
 494                                break;
 495                        }
 496                        width++;
 497                }
 498                xres_new = *width;
 499        } else {
 500                xres_new = matroxfb_test_and_set_rounding(PMINFO xres, bpp);
 501        }
 502        return xres_new;
 503}
 504
 505static int matroxfb_get_cmap_len(struct fb_var_screeninfo *var) {
 506
 507        DBG(__FUNCTION__)
 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
 527static int matroxfb_decode_var(CPMINFO struct fb_var_screeninfo *var, int *visual, int *video_cmap_len, unsigned int* ydstorg) {
 528        struct RGBT {
 529                unsigned char bpp;
 530                struct {
 531                        unsigned char offset,
 532                                      length;
 533                } red,
 534                  green,
 535                  blue,
 536                  transp;
 537                signed char visual;
 538        };
 539        static const struct RGBT table[]= {
 540                { 8,{ 0,8},{0,8},{0,8},{ 0,0},MX_VISUAL_PSEUDOCOLOR},
 541                {15,{10,5},{5,5},{0,5},{15,1},MX_VISUAL_DIRECTCOLOR},
 542                {16,{11,5},{5,6},{0,5},{ 0,0},MX_VISUAL_DIRECTCOLOR},
 543                {24,{16,8},{8,8},{0,8},{ 0,0},MX_VISUAL_DIRECTCOLOR},
 544                {32,{16,8},{8,8},{0,8},{24,8},MX_VISUAL_DIRECTCOLOR}
 545        };
 546        struct RGBT const *rgbt;
 547        unsigned int bpp = var->bits_per_pixel;
 548        unsigned int vramlen;
 549        unsigned int memlen;
 550
 551        DBG(__FUNCTION__)
 552
 553        switch (bpp) {
 554                case 4:  if (!ACCESS_FBINFO(capable.cfb4)) return -EINVAL;
 555                         break;
 556                case 8:  break;
 557                case 16: break;
 558                case 24: break;
 559                case 32: break;
 560                default: return -EINVAL;
 561        }
 562        *ydstorg = 0;
 563        vramlen = ACCESS_FBINFO(video.len_usable);
 564        if (var->yres_virtual < var->yres)
 565                var->yres_virtual = var->yres;
 566        if (var->xres_virtual < var->xres)
 567                var->xres_virtual = var->xres;
 568
 569        var->xres_virtual = matroxfb_pitch_adjust(PMINFO var->xres_virtual, bpp);
 570        memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
 571        if (memlen > vramlen) {
 572                var->yres_virtual = vramlen * 8 / (var->xres_virtual * bpp);
 573                memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
 574        }
 575        /* There is hardware bug that no line can cross 4MB boundary */
 576        /* give up for CFB24, it is impossible to easy workaround it */
 577        /* for other try to do something */
 578        if (!ACCESS_FBINFO(capable.cross4MB) && (memlen > 0x400000)) {
 579                if (bpp == 24) {
 580                        /* sorry */
 581                } else {
 582                        unsigned int linelen;
 583                        unsigned int m1 = linelen = var->xres_virtual * bpp / 8;
 584                        unsigned int m2 = PAGE_SIZE;    /* or 128 if you do not need PAGE ALIGNED address */
 585                        unsigned int max_yres;
 586
 587                        while (m1) {
 588                                int t;
 589
 590                                while (m2 >= m1) m2 -= m1;
 591                                t = m1;
 592                                m1 = m2;
 593                                m2 = t;
 594                        }
 595                        m2 = linelen * PAGE_SIZE / m2;
 596                        *ydstorg = m2 = 0x400000 % m2;
 597                        max_yres = (vramlen - m2) / linelen;
 598                        if (var->yres_virtual > max_yres)
 599                                var->yres_virtual = max_yres;
 600                }
 601        }
 602        /* YDSTLEN contains only signed 16bit value */
 603        if (var->yres_virtual > 32767)
 604                var->yres_virtual = 32767;
 605        /* we must round yres/xres down, we already rounded y/xres_virtual up
 606           if it was possible. We should return -EINVAL, but I disagree */
 607        if (var->yres_virtual < var->yres)
 608                var->yres = var->yres_virtual;
 609        if (var->xres_virtual < var->xres)
 610                var->xres = var->xres_virtual;
 611        if (var->xoffset + var->xres > var->xres_virtual)
 612                var->xoffset = var->xres_virtual - var->xres;
 613        if (var->yoffset + var->yres > var->yres_virtual)
 614                var->yoffset = var->yres_virtual - var->yres;
 615
 616        if (bpp == 16 && var->green.length == 5) {
 617                bpp--; /* an artifical value - 15 */
 618        }
 619
 620        for (rgbt = table; rgbt->bpp < bpp; rgbt++);
 621#define SETCLR(clr)\
 622        var->clr.offset = rgbt->clr.offset;\
 623        var->clr.length = rgbt->clr.length
 624        SETCLR(red);
 625        SETCLR(green);
 626        SETCLR(blue);
 627        SETCLR(transp);
 628#undef  SETCLR
 629        *visual = rgbt->visual;
 630
 631        if (bpp > 8)
 632                dprintk("matroxfb: truecolor: "
 633                        "size=%d:%d:%d:%d, shift=%d:%d:%d:%d\n",
 634                        var->transp.length, var->red.length, var->green.length, var->blue.length,
 635                        var->transp.offset, var->red.offset, var->green.offset, var->blue.offset);
 636
 637        *video_cmap_len = matroxfb_get_cmap_len(var);
 638        dprintk(KERN_INFO "requested %d*%d/%dbpp (%d*%d)\n", var->xres, var->yres, var->bits_per_pixel,
 639                                var->xres_virtual, var->yres_virtual);
 640        return 0;
 641}
 642
 643static int matroxfb_setcolreg(unsigned regno, unsigned red, unsigned green,
 644                              unsigned blue, unsigned transp,
 645                              struct fb_info *fb_info)
 646{
 647#ifdef CONFIG_FB_MATROX_MULTIHEAD
 648        struct matrox_fb_info* minfo = container_of(fb_info, struct matrox_fb_info, fbcon);
 649#endif
 650
 651        DBG(__FUNCTION__)
 652
 653        /*
 654         *  Set a single color register. The values supplied are
 655         *  already rounded down to the hardware's capabilities
 656         *  (according to the entries in the `var' structure). Return
 657         *  != 0 for invalid regno.
 658         */
 659
 660        if (regno >= ACCESS_FBINFO(curr.cmap_len))
 661                return 1;
 662
 663        if (ACCESS_FBINFO(fbcon).var.grayscale) {
 664                /* gray = 0.30*R + 0.59*G + 0.11*B */
 665                red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
 666        }
 667
 668        red = CNVT_TOHW(red, ACCESS_FBINFO(fbcon).var.red.length);
 669        green = CNVT_TOHW(green, ACCESS_FBINFO(fbcon).var.green.length);
 670        blue = CNVT_TOHW(blue, ACCESS_FBINFO(fbcon).var.blue.length);
 671        transp = CNVT_TOHW(transp, ACCESS_FBINFO(fbcon).var.transp.length);
 672
 673        switch (ACCESS_FBINFO(fbcon).var.bits_per_pixel) {
 674        case 4:
 675        case 8:
 676                mga_outb(M_DAC_REG, regno);
 677                mga_outb(M_DAC_VAL, red);
 678                mga_outb(M_DAC_VAL, green);
 679                mga_outb(M_DAC_VAL, blue);
 680                break;
 681        case 16:
 682                if (regno >= 16)
 683                        break;
 684                {
 685                        u_int16_t col =
 686                                (red << ACCESS_FBINFO(fbcon).var.red.offset)     |
 687                                (green << ACCESS_FBINFO(fbcon).var.green.offset) |
 688                                (blue << ACCESS_FBINFO(fbcon).var.blue.offset)   |
 689                                (transp << ACCESS_FBINFO(fbcon).var.transp.offset); /* for 1:5:5:5 */
 690                        ACCESS_FBINFO(cmap[regno]) = col | (col << 16);
 691                }
 692                break;
 693        case 24:
 694        case 32:
 695                if (regno >= 16)
 696                        break;
 697                ACCESS_FBINFO(cmap[regno]) =
 698                        (red   << ACCESS_FBINFO(fbcon).var.red.offset)   |
 699                        (green << ACCESS_FBINFO(fbcon).var.green.offset) |
 700                        (blue  << ACCESS_FBINFO(fbcon).var.blue.offset)  |
 701                        (transp << ACCESS_FBINFO(fbcon).var.transp.offset);     /* 8:8:8:8 */
 702                break;
 703        }
 704        return 0;
 705}
 706
 707static void matroxfb_init_fix(WPMINFO2)
 708{
 709        struct fb_fix_screeninfo *fix = &ACCESS_FBINFO(fbcon).fix;
 710        DBG(__FUNCTION__)
 711
 712        strcpy(fix->id,"MATROX");
 713
 714        fix->xpanstep = 8;      /* 8 for 8bpp, 4 for 16bpp, 2 for 32bpp */
 715        fix->ypanstep = 1;
 716        fix->ywrapstep = 0;
 717        fix->mmio_start = ACCESS_FBINFO(mmio.base);
 718        fix->mmio_len = ACCESS_FBINFO(mmio.len);
 719        fix->accel = ACCESS_FBINFO(devflags.accelerator);
 720}
 721
 722static void matroxfb_update_fix(WPMINFO2)
 723{
 724        struct fb_fix_screeninfo *fix = &ACCESS_FBINFO(fbcon).fix;
 725        DBG(__FUNCTION__)
 726
 727        fix->smem_start = ACCESS_FBINFO(video.base) + ACCESS_FBINFO(curr.ydstorg.bytes);
 728        fix->smem_len = ACCESS_FBINFO(video.len_usable) - ACCESS_FBINFO(curr.ydstorg.bytes);
 729}
 730
 731static int matroxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 732{
 733        int err;
 734        int visual;
 735        int cmap_len;
 736        unsigned int ydstorg;
 737        MINFO_FROM_INFO(info);
 738
 739        if (ACCESS_FBINFO(dead)) {
 740                return -ENXIO;
 741        }
 742        if ((err = matroxfb_decode_var(PMINFO var, &visual, &cmap_len, &ydstorg)) != 0)
 743                return err;
 744        return 0;
 745}
 746
 747static int matroxfb_set_par(struct fb_info *info)
 748{
 749        int err;
 750        int visual;
 751        int cmap_len;
 752        unsigned int ydstorg;
 753        struct fb_var_screeninfo *var;
 754        MINFO_FROM_INFO(info);
 755
 756        DBG(__FUNCTION__)
 757
 758        if (ACCESS_FBINFO(dead)) {
 759                return -ENXIO;
 760        }
 761
 762        var = &info->var;
 763        if ((err = matroxfb_decode_var(PMINFO var, &visual, &cmap_len, &ydstorg)) != 0)
 764                return err;
 765        ACCESS_FBINFO(fbcon.screen_base) = vaddr_va(ACCESS_FBINFO(video.vbase)) + ydstorg;
 766        matroxfb_update_fix(PMINFO2);
 767        ACCESS_FBINFO(fbcon).fix.visual = visual;
 768        ACCESS_FBINFO(fbcon).fix.type = FB_TYPE_PACKED_PIXELS;
 769        ACCESS_FBINFO(fbcon).fix.type_aux = 0;
 770        ACCESS_FBINFO(fbcon).fix.line_length = (var->xres_virtual * var->bits_per_pixel) >> 3;
 771        {
 772                unsigned int pos;
 773
 774                ACCESS_FBINFO(curr.cmap_len) = cmap_len;
 775                ydstorg += ACCESS_FBINFO(devflags.ydstorg);
 776                ACCESS_FBINFO(curr.ydstorg.bytes) = ydstorg;
 777                ACCESS_FBINFO(curr.ydstorg.chunks) = ydstorg >> (isInterleave(MINFO)?3:2);
 778                if (var->bits_per_pixel == 4)
 779                        ACCESS_FBINFO(curr.ydstorg.pixels) = ydstorg;
 780                else
 781                        ACCESS_FBINFO(curr.ydstorg.pixels) = (ydstorg * 8) / var->bits_per_pixel;
 782                ACCESS_FBINFO(curr.final_bppShift) = matroxfb_get_final_bppShift(PMINFO var->bits_per_pixel);
 783                {       struct my_timming mt;
 784                        struct matrox_hw_state* hw;
 785                        int out;
 786
 787                        matroxfb_var2my(var, &mt);
 788                        mt.crtc = MATROXFB_SRC_CRTC1;
 789                        /* CRTC1 delays */
 790                        switch (var->bits_per_pixel) {
 791                                case  0:        mt.delay = 31 + 0; break;
 792                                case 16:        mt.delay = 21 + 8; break;
 793                                case 24:        mt.delay = 17 + 8; break;
 794                                case 32:        mt.delay = 16 + 8; break;
 795                                default:        mt.delay = 31 + 8; break;
 796                        }
 797
 798                        hw = &ACCESS_FBINFO(hw);
 799
 800                        down_read(&ACCESS_FBINFO(altout).lock);
 801                        for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 802                                if (ACCESS_FBINFO(outputs[out]).src == MATROXFB_SRC_CRTC1 &&
 803                                    ACCESS_FBINFO(outputs[out]).output->compute) {
 804                                        ACCESS_FBINFO(outputs[out]).output->compute(ACCESS_FBINFO(outputs[out]).data, &mt);
 805                                }
 806                        }
 807                        up_read(&ACCESS_FBINFO(altout).lock);
 808                        ACCESS_FBINFO(crtc1).pixclock = mt.pixclock;
 809                        ACCESS_FBINFO(crtc1).mnp = mt.mnp;
 810                        ACCESS_FBINFO(hw_switch->init(PMINFO &mt));
 811                        pos = (var->yoffset * var->xres_virtual + var->xoffset) * ACCESS_FBINFO(curr.final_bppShift) / 32;
 812                        pos += ACCESS_FBINFO(curr.ydstorg.chunks);
 813
 814                        hw->CRTC[0x0D] = pos & 0xFF;
 815                        hw->CRTC[0x0C] = (pos & 0xFF00) >> 8;
 816                        hw->CRTCEXT[0] = (hw->CRTCEXT[0] & 0xF0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
 817                        hw->CRTCEXT[8] = pos >> 21;
 818                        ACCESS_FBINFO(hw_switch->restore(PMINFO2));
 819                        update_crtc2(PMINFO pos);
 820                        down_read(&ACCESS_FBINFO(altout).lock);
 821                        for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 822                                if (ACCESS_FBINFO(outputs[out]).src == MATROXFB_SRC_CRTC1 &&
 823                                    ACCESS_FBINFO(outputs[out]).output->program) {
 824                                        ACCESS_FBINFO(outputs[out]).output->program(ACCESS_FBINFO(outputs[out]).data);
 825                                }
 826                        }
 827                        for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 828                                if (ACCESS_FBINFO(outputs[out]).src == MATROXFB_SRC_CRTC1 &&
 829                                    ACCESS_FBINFO(outputs[out]).output->start) {
 830                                        ACCESS_FBINFO(outputs[out]).output->start(ACCESS_FBINFO(outputs[out]).data);
 831                                }
 832                        }
 833                        up_read(&ACCESS_FBINFO(altout).lock);
 834                        matrox_cfbX_init(PMINFO2);
 835                }
 836        }
 837        ACCESS_FBINFO(initialized) = 1;
 838        return 0;
 839}
 840
 841static int matroxfb_get_vblank(WPMINFO struct fb_vblank *vblank)
 842{
 843        unsigned int sts1;
 844
 845        matroxfb_enable_irq(PMINFO 0);
 846        memset(vblank, 0, sizeof(*vblank));
 847        vblank->flags = FB_VBLANK_HAVE_VCOUNT | FB_VBLANK_HAVE_VSYNC |
 848                        FB_VBLANK_HAVE_VBLANK | FB_VBLANK_HAVE_HBLANK;
 849        sts1 = mga_inb(M_INSTS1);
 850        vblank->vcount = mga_inl(M_VCOUNT);
 851        /* BTW, on my PIII/450 with G400, reading M_INSTS1
 852           byte makes this call about 12% slower (1.70 vs. 2.05 us
 853           per ioctl()) */
 854        if (sts1 & 1)
 855                vblank->flags |= FB_VBLANK_HBLANKING;
 856        if (sts1 & 8)
 857                vblank->flags |= FB_VBLANK_VSYNCING;
 858        if (vblank->vcount >= ACCESS_FBINFO(fbcon).var.yres)
 859                vblank->flags |= FB_VBLANK_VBLANKING;
 860        if (test_bit(0, &ACCESS_FBINFO(irq_flags))) {
 861                vblank->flags |= FB_VBLANK_HAVE_COUNT;
 862                /* Only one writer, aligned int value...
 863                   it should work without lock and without atomic_t */
 864                vblank->count = ACCESS_FBINFO(crtc1).vsync.cnt;
 865        }
 866        return 0;
 867}
 868
 869static struct matrox_altout panellink_output = {
 870        .name    = "Panellink output",
 871};
 872
 873static int matroxfb_ioctl(struct fb_info *info,
 874                          unsigned int cmd, unsigned long arg)
 875{
 876        void __user *argp = (void __user *)arg;
 877        MINFO_FROM_INFO(info);
 878
 879        DBG(__FUNCTION__)
 880
 881        if (ACCESS_FBINFO(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(PMINFO &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(PMINFO 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(&ACCESS_FBINFO(altout.lock));
 918                                oproc = ACCESS_FBINFO(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(ACCESS_FBINFO(outputs[mom.output]).data, mom.mode);
 929                                }
 930                                if (!val) {
 931                                        if (ACCESS_FBINFO(outputs[mom.output]).mode != mom.mode) {
 932                                                ACCESS_FBINFO(outputs[mom.output]).mode = mom.mode;
 933                                                val = 1;
 934                                        }
 935                                }
 936                                up_read(&ACCESS_FBINFO(altout.lock));
 937                                if (val != 1)
 938                                        return val;
 939                                switch (ACCESS_FBINFO(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(&ACCESS_FBINFO(crtc2.lock));
 948                                                        crtc2 = ACCESS_FBINFO(crtc2.info);
 949                                                        if (crtc2)
 950                                                                crtc2->fbcon.fbops->fb_set_par(&crtc2->fbcon);
 951                                                        up_read(&ACCESS_FBINFO(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(&ACCESS_FBINFO(altout.lock));
 968                                oproc = ACCESS_FBINFO(outputs[mom.output]).output;
 969                                if (!oproc) {
 970                                        val = -ENXIO;
 971                                } else {
 972                                        mom.mode = ACCESS_FBINFO(outputs[mom.output]).mode;
 973                                        val = 0;
 974                                }
 975                                up_read(&ACCESS_FBINFO(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 (!ACCESS_FBINFO(outputs[i]).output)
 995                                                        return -ENXIO;
 996                                                switch (ACCESS_FBINFO(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 (ACCESS_FBINFO(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 (ACCESS_FBINFO(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 (ACCESS_FBINFO(outputs[i]).src != MATROXFB_SRC_CRTC1) {
1020                                                        changes = 1;
1021                                                        ACCESS_FBINFO(outputs[i]).src = MATROXFB_SRC_CRTC1;
1022                                                }
1023                                        } else if (ACCESS_FBINFO(outputs[i]).src == MATROXFB_SRC_CRTC1) {
1024                                                changes = 1;
1025                                                ACCESS_FBINFO(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 (ACCESS_FBINFO(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 (ACCESS_FBINFO(outputs[i]).output) {
1054                                                switch (ACCESS_FBINFO(outputs[i]).src) {
1055                                                        case MATROXFB_SRC_NONE:
1056                                                        case MATROXFB_SRC_CRTC1:
1057                                                                conn |= 1 << i;
1058                                                                break;
1059                                                }
1060                                        }
1061                                }
1062                                if (ACCESS_FBINFO(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 (ACCESS_FBINFO(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(ACCESS_FBINFO(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(&ACCESS_FBINFO(altout).lock);
1110                                if (!ACCESS_FBINFO(outputs[1]).output) {
1111                                        err = -ENXIO;
1112                                } else if (ACCESS_FBINFO(outputs[1]).output->getqueryctrl) {
1113                                        err = ACCESS_FBINFO(outputs[1]).output->getqueryctrl(ACCESS_FBINFO(outputs[1]).data, &qctrl);
1114                                } else {
1115                                        err = -EINVAL;
1116                                }
1117                                up_read(&ACCESS_FBINFO(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(&ACCESS_FBINFO(altout).lock);
1132                                if (!ACCESS_FBINFO(outputs[1]).output) {
1133                                        err = -ENXIO;
1134                                } else if (ACCESS_FBINFO(outputs[1]).output->getctrl) {
1135                                        err = ACCESS_FBINFO(outputs[1]).output->getctrl(ACCESS_FBINFO(outputs[1]).data, &ctrl);
1136                                } else {
1137                                        err = -EINVAL;
1138                                }
1139                                up_read(&ACCESS_FBINFO(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_OLD:
1146                case VIDIOC_S_CTRL:
1147                        {
1148                                struct v4l2_control ctrl;
1149                                int err;
1150
1151                                if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
1152                                        return -EFAULT;
1153
1154                                down_read(&ACCESS_FBINFO(altout).lock);
1155                                if (!ACCESS_FBINFO(outputs[1]).output) {
1156                                        err = -ENXIO;
1157                                } else if (ACCESS_FBINFO(outputs[1]).output->setctrl) {
1158                                        err = ACCESS_FBINFO(outputs[1]).output->setctrl(ACCESS_FBINFO(outputs[1]).data, &ctrl);
1159                                } else {
1160                                        err = -EINVAL;
1161                                }
1162                                up_read(&ACCESS_FBINFO(altout).lock);
1163                                return err;
1164                        }
1165        }
1166        return -ENOTTY;
1167}
1168
1169/* 0 unblank, 1 blank, 2 no vsync, 3 no hsync, 4 off */
1170
1171static int matroxfb_blank(int blank, struct fb_info *info)
1172{
1173        int seq;
1174        int crtc;
1175        CRITFLAGS
1176        MINFO_FROM_INFO(info);
1177
1178        DBG(__FUNCTION__)
1179
1180        if (ACCESS_FBINFO(dead))
1181                return 1;
1182
1183        switch (blank) {
1184        case FB_BLANK_NORMAL:  seq = 0x20; crtc = 0x00; break; /* works ??? */
1185        case FB_BLANK_VSYNC_SUSPEND:  seq = 0x20; crtc = 0x10; break;
1186        case FB_BLANK_HSYNC_SUSPEND:  seq = 0x20; crtc = 0x20; break;
1187        case FB_BLANK_POWERDOWN:  seq = 0x20; crtc = 0x30; break;
1188        default: seq = 0x00; crtc = 0x00; break;
1189        }
1190
1191        CRITBEGIN
1192
1193        mga_outb(M_SEQ_INDEX, 1);
1194        mga_outb(M_SEQ_DATA, (mga_inb(M_SEQ_DATA) & ~0x20) | seq);
1195        mga_outb(M_EXTVGA_INDEX, 1);
1196        mga_outb(M_EXTVGA_DATA, (mga_inb(M_EXTVGA_DATA) & ~0x30) | crtc);
1197
1198        CRITEND
1199        return 0;
1200}
1201
1202static struct fb_ops matroxfb_ops = {
1203        .owner =        THIS_MODULE,
1204        .fb_open =      matroxfb_open,
1205        .fb_release =   matroxfb_release,
1206        .fb_check_var = matroxfb_check_var,
1207        .fb_set_par =   matroxfb_set_par,
1208        .fb_setcolreg = matroxfb_setcolreg,
1209        .fb_pan_display =matroxfb_pan_display,
1210        .fb_blank =     matroxfb_blank,
1211        .fb_ioctl =     matroxfb_ioctl,
1212/*      .fb_fillrect =  <set by matrox_cfbX_init>, */
1213/*      .fb_copyarea =  <set by matrox_cfbX_init>, */
1214/*      .fb_imageblit = <set by matrox_cfbX_init>, */
1215/*      .fb_cursor =    <set by matrox_cfbX_init>, */
1216};
1217
1218#define RSDepth(X)      (((X) >> 8) & 0x0F)
1219#define RS8bpp          0x1
1220#define RS15bpp         0x2
1221#define RS16bpp         0x3
1222#define RS32bpp         0x4
1223#define RS4bpp          0x5
1224#define RS24bpp         0x6
1225#define RSText          0x7
1226#define RSText8         0x8
1227/* 9-F */
1228static struct { struct fb_bitfield red, green, blue, transp; int bits_per_pixel; } colors[] = {
1229        { {  0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, {  0, 0, 0},  8 },
1230        { { 10, 5, 0}, { 5, 5, 0}, { 0, 5, 0}, { 15, 1, 0}, 16 },
1231        { { 11, 5, 0}, { 5, 6, 0}, { 0, 5, 0}, {  0, 0, 0}, 16 },
1232        { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, { 24, 8, 0}, 32 },
1233        { {  0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, {  0, 0, 0},  4 },
1234        { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, {  0, 0, 0}, 24 },
1235        { {  0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, {  0, 0, 0},  0 },       /* textmode with (default) VGA8x16 */
1236        { {  0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, {  0, 0, 0},  0 },       /* textmode hardwired to VGA8x8 */
1237};
1238
1239/* initialized by setup, see explanation at end of file (search for MODULE_PARM_DESC) */
1240static unsigned int mem;                /* "matrox:mem:xxxxxM" */
1241static int option_precise_width = 1;    /* cannot be changed, option_precise_width==0 must imply noaccel */
1242static int inv24;                       /* "matrox:inv24" */
1243static int cross4MB = -1;               /* "matrox:cross4MB" */
1244static int disabled;                    /* "matrox:disabled" */
1245static int noaccel;                     /* "matrox:noaccel" */
1246static int nopan;                       /* "matrox:nopan" */
1247static int no_pci_retry;                /* "matrox:nopciretry" */
1248static int novga;                       /* "matrox:novga" */
1249static int nobios;                      /* "matrox:nobios" */
1250static int noinit = 1;                  /* "matrox:init" */
1251static int inverse;                     /* "matrox:inverse" */
1252static int sgram;                       /* "matrox:sgram" */
1253#ifdef CONFIG_MTRR
1254static int mtrr = 1;                    /* "matrox:nomtrr" */
1255#endif
1256static int grayscale;                   /* "matrox:grayscale" */
1257static int dev = -1;                    /* "matrox:dev:xxxxx" */
1258static unsigned int vesa = ~0;          /* "matrox:vesa:xxxxx" */
1259static int depth = -1;                  /* "matrox:depth:xxxxx" */
1260static unsigned int xres;               /* "matrox:xres:xxxxx" */
1261static unsigned int yres;               /* "matrox:yres:xxxxx" */
1262static unsigned int upper = ~0;         /* "matrox:upper:xxxxx" */
1263static unsigned int lower = ~0;         /* "matrox:lower:xxxxx" */
1264static unsigned int vslen;              /* "matrox:vslen:xxxxx" */
1265static unsigned int left = ~0;          /* "matrox:left:xxxxx" */
1266static unsigned int right = ~0;         /* "matrox:right:xxxxx" */
1267static unsigned int hslen;              /* "matrox:hslen:xxxxx" */
1268static unsigned int pixclock;           /* "matrox:pixclock:xxxxx" */
1269static int sync = -1;                   /* "matrox:sync:xxxxx" */
1270static unsigned int fv;                 /* "matrox:fv:xxxxx" */
1271static unsigned int fh;                 /* "matrox:fh:xxxxxk" */
1272static unsigned int maxclk;             /* "matrox:maxclk:xxxxM" */
1273static int dfp;                         /* "matrox:dfp */
1274static int dfp_type = -1;               /* "matrox:dfp:xxx */
1275static int memtype = -1;                /* "matrox:memtype:xxx" */
1276static char outputs[8];                 /* "matrox:outputs:xxx" */
1277
1278#ifndef MODULE
1279static char videomode[64];              /* "matrox:mode:xxxxx" or "matrox:xxxxx" */
1280#endif
1281
1282static int matroxfb_getmemory(WPMINFO unsigned int maxSize, unsigned int *realSize){
1283        vaddr_t vm;
1284        unsigned int offs;
1285        unsigned int offs2;
1286        unsigned char orig;
1287        unsigned char bytes[32];
1288        unsigned char* tmp;
1289
1290        DBG(__FUNCTION__)
1291
1292        vm = ACCESS_FBINFO(video.vbase);
1293        maxSize &= ~0x1FFFFF;   /* must be X*2MB (really it must be 2 or X*4MB) */
1294        /* at least 2MB */
1295        if (maxSize < 0x0200000) return 0;
1296        if (maxSize > 0x2000000) maxSize = 0x2000000;
1297
1298        mga_outb(M_EXTVGA_INDEX, 0x03);
1299        orig = mga_inb(M_EXTVGA_DATA);
1300        mga_outb(M_EXTVGA_DATA, orig | 0x80);
1301
1302        tmp = bytes;
1303        for (offs = 0x100000; offs < maxSize; offs += 0x200000)
1304                *tmp++ = mga_readb(vm, offs);
1305        for (offs = 0x100000; offs < maxSize; offs += 0x200000)
1306                mga_writeb(vm, offs, 0x02);
1307        mga_outb(M_CACHEFLUSH, 0x00);
1308        for (offs = 0x100000; offs < maxSize; offs += 0x200000) {
1309                if (mga_readb(vm, offs) != 0x02)
1310                        break;
1311                mga_writeb(vm, offs, mga_readb(vm, offs) - 0x02);
1312                if (mga_readb(vm, offs))
1313                        break;
1314        }
1315        tmp = bytes;
1316        for (offs2 = 0x100000; offs2 < maxSize; offs2 += 0x200000)
1317                mga_writeb(vm, offs2, *tmp++);
1318
1319        mga_outb(M_EXTVGA_INDEX, 0x03);
1320        mga_outb(M_EXTVGA_DATA, orig);
1321
1322        *realSize = offs - 0x100000;
1323#ifdef CONFIG_FB_MATROX_MILLENIUM
1324        ACCESS_FBINFO(interleave) = !(!isMillenium(MINFO) || ((offs - 0x100000) & 0x3FFFFF));
1325#endif
1326        return 1;
1327}
1328
1329struct video_board {
1330        int maxvram;
1331        int maxdisplayable;
1332        int accelID;
1333        struct matrox_switch* lowlevel;
1334                 };
1335#ifdef CONFIG_FB_MATROX_MILLENIUM
1336static struct video_board vbMillennium          = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGA2064W,      &matrox_millennium};
1337static struct video_board vbMillennium2         = {0x1000000, 0x0800000, FB_ACCEL_MATROX_MGA2164W,      &matrox_millennium};
1338static struct video_board vbMillennium2A        = {0x1000000, 0x0800000, FB_ACCEL_MATROX_MGA2164W_AGP,  &matrox_millennium};
1339#endif  /* CONFIG_FB_MATROX_MILLENIUM */
1340#ifdef CONFIG_FB_MATROX_MYSTIQUE
1341static struct video_board vbMystique            = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGA1064SG,     &matrox_mystique};
1342#endif  /* CONFIG_FB_MATROX_MYSTIQUE */
1343#ifdef CONFIG_FB_MATROX_G
1344static struct video_board vbG100                = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGAG100,       &matrox_G100};
1345static struct video_board vbG200                = {0x1000000, 0x1000000, FB_ACCEL_MATROX_MGAG200,       &matrox_G100};
1346#ifdef CONFIG_FB_MATROX_32MB
1347/* from doc it looks like that accelerator can draw only to low 16MB :-( Direct accesses & displaying are OK for
1348   whole 32MB */
1349static struct video_board vbG400                = {0x2000000, 0x1000000, FB_ACCEL_MATROX_MGAG400,       &matrox_G100};
1350#else
1351static struct video_board vbG400                = {0x2000000, 0x1000000, FB_ACCEL_MATROX_MGAG400,       &matrox_G100};
1352#endif
1353#endif
1354
1355#define DEVF_VIDEO64BIT         0x0001
1356#define DEVF_SWAPS              0x0002
1357#define DEVF_SRCORG             0x0004
1358#define DEVF_DUALHEAD           0x0008
1359#define DEVF_CROSS4MB           0x0010
1360#define DEVF_TEXT4B             0x0020
1361/* #define DEVF_recycled        0x0040  */
1362/* #define DEVF_recycled        0x0080  */
1363#define DEVF_SUPPORT32MB        0x0100
1364#define DEVF_ANY_VXRES          0x0200
1365#define DEVF_TEXT16B            0x0400
1366#define DEVF_CRTC2              0x0800
1367#define DEVF_MAVEN_CAPABLE      0x1000
1368#define DEVF_PANELLINK_CAPABLE  0x2000
1369#define DEVF_G450DAC            0x4000
1370
1371#define DEVF_GCORE      (DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB)
1372#define DEVF_G2CORE     (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_MAVEN_CAPABLE | DEVF_PANELLINK_CAPABLE | DEVF_SRCORG | DEVF_DUALHEAD)
1373#define DEVF_G100       (DEVF_GCORE) /* no doc, no vxres... */
1374#define DEVF_G200       (DEVF_G2CORE)
1375#define DEVF_G400       (DEVF_G2CORE | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2)
1376/* if you'll find how to drive DFP... */
1377#define DEVF_G450       (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2 | DEVF_G450DAC | DEVF_SRCORG | DEVF_DUALHEAD)
1378#define DEVF_G550       (DEVF_G450)
1379
1380static struct board {
1381        unsigned short vendor, device, rev, svid, sid;
1382        unsigned int flags;
1383        unsigned int maxclk;
1384        enum mga_chip chip;
1385        struct video_board* base;
1386        const char* name;
1387                } dev_list[] = {
1388#ifdef CONFIG_FB_MATROX_MILLENIUM
1389        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL,       0xFF,
1390                0,                      0,
1391                DEVF_TEXT4B,
1392                230000,
1393                MGA_2064,
1394                &vbMillennium,
1395                "Millennium (PCI)"},
1396        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2,     0xFF,
1397                0,                      0,
1398                DEVF_SWAPS,
1399                220000,
1400                MGA_2164,
1401                &vbMillennium2,
1402                "Millennium II (PCI)"},
1403        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2_AGP, 0xFF,
1404                0,                      0,
1405                DEVF_SWAPS,
1406                250000,
1407                MGA_2164,
1408                &vbMillennium2A,
1409                "Millennium II (AGP)"},
1410#endif
1411#ifdef CONFIG_FB_MATROX_MYSTIQUE
1412        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,       0x02,
1413                0,                      0,
1414                DEVF_VIDEO64BIT | DEVF_CROSS4MB,
1415                180000,
1416                MGA_1064,
1417                &vbMystique,
1418                "Mystique (PCI)"},
1419        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,       0xFF,
1420                0,                      0,
1421                DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB,
1422                220000,
1423                MGA_1164,
1424                &vbMystique,
1425                "Mystique 220 (PCI)"},
1426        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS_AGP,   0x02,
1427                0,                      0,
1428                DEVF_VIDEO64BIT | DEVF_CROSS4MB,
1429                180000,
1430                MGA_1064,
1431                &vbMystique,
1432                "Mystique (AGP)"},
1433        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS_AGP,   0xFF,
1434                0,                      0,
1435                DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB,
1436                220000,
1437                MGA_1164,
1438                &vbMystique,
1439                "Mystique 220 (AGP)"},
1440#endif
1441#ifdef CONFIG_FB_MATROX_G
1442        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_MM,   0xFF,
1443                0,                      0,
1444                DEVF_G100,
1445                230000,
1446                MGA_G100,
1447                &vbG100,
1448                "MGA-G100 (PCI)"},
1449        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_AGP,  0xFF,
1450                0,                      0,
1451                DEVF_G100,
1452                230000,
1453                MGA_G100,
1454                &vbG100,
1455                "MGA-G100 (AGP)"},
1456        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_PCI,  0xFF,
1457                0,                      0,
1458                DEVF_G200,
1459                250000,
1460                MGA_G200,
1461                &vbG200,
1462                "MGA-G200 (PCI)"},
1463        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1464                PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_GENERIC,
1465                DEVF_G200,
1466                220000,
1467                MGA_G200,
1468                &vbG200,
1469                "MGA-G200 (AGP)"},
1470        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1471                PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MYSTIQUE_G200_AGP,
1472                DEVF_G200,
1473                230000,
1474                MGA_G200,
1475                &vbG200,
1476                "Mystique G200 (AGP)"},
1477        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1478                PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MILLENIUM_G200_AGP,
1479                DEVF_G200,
1480                250000,
1481                MGA_G200,
1482                &vbG200,
1483                "Millennium G200 (AGP)"},
1484        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1485                PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MARVEL_G200_AGP,
1486                DEVF_G200,
1487                230000,
1488                MGA_G200,
1489                &vbG200,
1490                "Marvel G200 (AGP)"},
1491        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1492                PCI_SS_VENDOR_ID_SIEMENS_NIXDORF,       PCI_SS_ID_SIEMENS_MGA_G200_AGP,
1493                DEVF_G200,
1494                230000,
1495                MGA_G200,
1496                &vbG200,
1497                "MGA-G200 (AGP)"},
1498        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1499                0,                      0,
1500                DEVF_G200,
1501                230000,
1502                MGA_G200,
1503                &vbG200,
1504                "G200 (AGP)"},
1505        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0x80,
1506                PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MILLENNIUM_G400_MAX_AGP,
1507                DEVF_G400,
1508                360000,
1509                MGA_G400,
1510                &vbG400,
1511                "Millennium G400 MAX (AGP)"},
1512        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0x80,
1513                0,                      0,
1514                DEVF_G400,
1515                300000,
1516                MGA_G400,
1517                &vbG400,
1518                "G400 (AGP)"},
1519        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0xFF,
1520                0,                      0,
1521                DEVF_G450,
1522                360000,
1523                MGA_G450,
1524                &vbG400,
1525                "G450"},
1526        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G550,      0xFF,
1527                0,                      0,
1528                DEVF_G550,
1529                360000,
1530                MGA_G550,
1531                &vbG400,
1532                "G550"},
1533#endif
1534        {0,                     0,                              0xFF,
1535                0,                      0,
1536                0,
1537                0,
1538                0,
1539                NULL,
1540                NULL}};
1541
1542#ifndef MODULE
1543static struct fb_videomode defaultmode = {
1544        /* 640x480 @ 60Hz, 31.5 kHz */
1545        NULL, 60, 640, 480, 39721, 40, 24, 32, 11, 96, 2,
1546        0, FB_VMODE_NONINTERLACED
1547};
1548#endif /* !MODULE */
1549
1550static int hotplug = 0;
1551
1552static void setDefaultOutputs(WPMINFO2) {
1553        unsigned int i;
1554        const char* ptr;
1555
1556        ACCESS_FBINFO(outputs[0]).default_src = MATROXFB_SRC_CRTC1;
1557        if (ACCESS_FBINFO(devflags.g450dac)) {
1558                ACCESS_FBINFO(outputs[1]).default_src = MATROXFB_SRC_CRTC1;
1559                ACCESS_FBINFO(outputs[2]).default_src = MATROXFB_SRC_CRTC1;
1560        } else if (dfp) {
1561                ACCESS_FBINFO(outputs[2]).default_src = MATROXFB_SRC_CRTC1;
1562        }
1563        ptr = outputs;
1564        for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1565                char c = *ptr++;
1566
1567                if (c == 0) {
1568                        break;
1569                }
1570                if (c == '0') {
1571                        ACCESS_FBINFO(outputs[i]).default_src = MATROXFB_SRC_NONE;
1572                } else if (c == '1') {
1573                        ACCESS_FBINFO(outputs[i]).default_src = MATROXFB_SRC_CRTC1;
1574                } else if (c == '2' && ACCESS_FBINFO(devflags.crtc2)) {
1575                        ACCESS_FBINFO(outputs[i]).default_src = MATROXFB_SRC_CRTC2;
1576                } else {
1577                        printk(KERN_ERR "matroxfb: Unknown outputs setting\n");
1578                        break;
1579                }
1580        }
1581        /* Nullify this option for subsequent adapters */
1582        outputs[0] = 0;
1583}
1584
1585static int initMatrox2(WPMINFO struct board* b){
1586        unsigned long ctrlptr_phys = 0;
1587        unsigned long video_base_phys = 0;
1588        unsigned int memsize;
1589        int err;
1590
1591        static struct pci_device_id intel_82437[] = {
1592                { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82437) },
1593                { },
1594        };
1595
1596        DBG(__FUNCTION__)
1597
1598        /* set default values... */
1599        vesafb_defined.accel_flags = FB_ACCELF_TEXT;
1600
1601        ACCESS_FBINFO(hw_switch) = b->base->lowlevel;
1602        ACCESS_FBINFO(devflags.accelerator) = b->base->accelID;
1603        ACCESS_FBINFO(max_pixel_clock) = b->maxclk;
1604
1605        printk(KERN_INFO "matroxfb: Matrox %s detected\n", b->name);
1606        ACCESS_FBINFO(capable.plnwt) = 1;
1607        ACCESS_FBINFO(chip) = b->chip;
1608        ACCESS_FBINFO(capable.srcorg) = b->flags & DEVF_SRCORG;
1609        ACCESS_FBINFO(devflags.video64bits) = b->flags & DEVF_VIDEO64BIT;
1610        if (b->flags & DEVF_TEXT4B) {
1611                ACCESS_FBINFO(devflags.vgastep) = 4;
1612                ACCESS_FBINFO(devflags.textmode) = 4;
1613                ACCESS_FBINFO(devflags.text_type_aux) = FB_AUX_TEXT_MGA_STEP16;
1614        } else if (b->flags & DEVF_TEXT16B) {
1615                ACCESS_FBINFO(devflags.vgastep) = 16;
1616                ACCESS_FBINFO(devflags.textmode) = 1;
1617                ACCESS_FBINFO(devflags.text_type_aux) = FB_AUX_TEXT_MGA_STEP16;
1618        } else {
1619                ACCESS_FBINFO(devflags.vgastep) = 8;
1620                ACCESS_FBINFO(devflags.textmode) = 1;
1621                ACCESS_FBINFO(devflags.text_type_aux) = FB_AUX_TEXT_MGA_STEP8;
1622        }
1623#ifdef CONFIG_FB_MATROX_32MB
1624        ACCESS_FBINFO(devflags.support32MB) = (b->flags & DEVF_SUPPORT32MB) != 0;
1625#endif
1626        ACCESS_FBINFO(devflags.precise_width) = !(b->flags & DEVF_ANY_VXRES);
1627        ACCESS_FBINFO(devflags.crtc2) = (b->flags & DEVF_CRTC2) != 0;
1628        ACCESS_FBINFO(devflags.maven_capable) = (b->flags & DEVF_MAVEN_CAPABLE) != 0;
1629        ACCESS_FBINFO(devflags.dualhead) = (b->flags & DEVF_DUALHEAD) != 0;
1630        ACCESS_FBINFO(devflags.dfp_type) = dfp_type;
1631        ACCESS_FBINFO(devflags.g450dac) = (b->flags & DEVF_G450DAC) != 0;
1632        ACCESS_FBINFO(devflags.textstep) = ACCESS_FBINFO(devflags.vgastep) * ACCESS_FBINFO(devflags.textmode);
1633        ACCESS_FBINFO(devflags.textvram) = 65536 / ACCESS_FBINFO(devflags.textmode);
1634        setDefaultOutputs(PMINFO2);
1635        if (b->flags & DEVF_PANELLINK_CAPABLE) {
1636                ACCESS_FBINFO(outputs[2]).data = MINFO;
1637                ACCESS_FBINFO(outputs[2]).output = &panellink_output;
1638                ACCESS_FBINFO(outputs[2]).src = ACCESS_FBINFO(outputs[2]).default_src;
1639                ACCESS_FBINFO(outputs[2]).mode = MATROXFB_OUTPUT_MODE_MONITOR;
1640                ACCESS_FBINFO(devflags.panellink) = 1;
1641        }
1642
1643        if (ACCESS_FBINFO(capable.cross4MB) < 0)
1644                ACCESS_FBINFO(capable.cross4MB) = b->flags & DEVF_CROSS4MB;
1645        if (b->flags & DEVF_SWAPS) {
1646                ctrlptr_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 1);
1647                video_base_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 0);
1648                ACCESS_FBINFO(devflags.fbResource) = PCI_BASE_ADDRESS_0;
1649        } else {
1650                ctrlptr_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 0);
1651                video_base_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 1);
1652                ACCESS_FBINFO(devflags.fbResource) = PCI_BASE_ADDRESS_1;
1653        }
1654        err = -EINVAL;
1655        if (!ctrlptr_phys) {
1656                printk(KERN_ERR "matroxfb: control registers are not available, matroxfb disabled\n");
1657                goto fail;
1658        }
1659        if (!video_base_phys) {
1660                printk(KERN_ERR "matroxfb: video RAM is not available in PCI address space, matroxfb disabled\n");
1661                goto fail;
1662        }
1663        memsize = b->base->maxvram;
1664        if (!request_mem_region(ctrlptr_phys, 16384, "matroxfb MMIO")) {
1665                goto fail;
1666        }
1667        if (!request_mem_region(video_base_phys, memsize, "matroxfb FB")) {
1668                goto failCtrlMR;
1669        }
1670        ACCESS_FBINFO(video.len_maximum) = memsize;
1671        /* convert mem (autodetect k, M) */
1672        if (mem < 1024) mem *= 1024;
1673        if (mem < 0x00100000) mem *= 1024;
1674
1675        if (mem && (mem < memsize))
1676                memsize = mem;
1677        err = -ENOMEM;
1678        if (mga_ioremap(ctrlptr_phys, 16384, MGA_IOREMAP_MMIO, &ACCESS_FBINFO(mmio.vbase))) {
1679                printk(KERN_ERR "matroxfb: cannot ioremap(%lX, 16384), matroxfb disabled\n", ctrlptr_phys);
1680                goto failVideoMR;
1681        }
1682        ACCESS_FBINFO(mmio.base) = ctrlptr_phys;
1683        ACCESS_FBINFO(mmio.len) = 16384;
1684        ACCESS_FBINFO(video.base) = video_base_phys;
1685        if (mga_ioremap(video_base_phys, memsize, MGA_IOREMAP_FB, &ACCESS_FBINFO(video.vbase))) {
1686                printk(KERN_ERR "matroxfb: cannot ioremap(%lX, %d), matroxfb disabled\n",
1687                        video_base_phys, memsize);
1688                goto failCtrlIO;
1689        }
1690        {
1691                u_int32_t cmd;
1692                u_int32_t mga_option;
1693
1694                pci_read_config_dword(ACCESS_FBINFO(pcidev), PCI_OPTION_REG, &mga_option);
1695                pci_read_config_dword(ACCESS_FBINFO(pcidev), PCI_COMMAND, &cmd);
1696                mga_option &= 0x7FFFFFFF; /* clear BIG_ENDIAN */
1697                mga_option |= MX_OPTION_BSWAP;
1698                /* disable palette snooping */
1699                cmd &= ~PCI_COMMAND_VGA_PALETTE;
1700                if (pci_dev_present(intel_82437)) {
1701                        if (!(mga_option & 0x20000000) && !ACCESS_FBINFO(devflags.nopciretry)) {
1702                                printk(KERN_WARNING "matroxfb: Disabling PCI retries due to i82437 present\n");
1703                        }
1704                        mga_option |= 0x20000000;
1705                        ACCESS_FBINFO(devflags.nopciretry) = 1;
1706                }
1707                pci_write_config_dword(ACCESS_FBINFO(pcidev), PCI_COMMAND, cmd);
1708                pci_write_config_dword(ACCESS_FBINFO(pcidev), PCI_OPTION_REG, mga_option);
1709                ACCESS_FBINFO(hw).MXoptionReg = mga_option;
1710
1711                /* select non-DMA memory for PCI_MGA_DATA, otherwise dump of PCI cfg space can lock PCI bus */
1712                /* maybe preinit() candidate, but it is same... for all devices... at this time... */
1713                pci_write_config_dword(ACCESS_FBINFO(pcidev), PCI_MGA_INDEX, 0x00003C00);
1714        }
1715
1716        err = -ENXIO;
1717        matroxfb_read_pins(PMINFO2);
1718        if (ACCESS_FBINFO(hw_switch)->preinit(PMINFO2)) {
1719                goto failVideoIO;
1720        }
1721
1722        err = -ENOMEM;
1723        if (!matroxfb_getmemory(PMINFO memsize, &ACCESS_FBINFO(video.len)) || !ACCESS_FBINFO(video.len)) {
1724                printk(KERN_ERR "matroxfb: cannot determine memory size\n");
1725                goto failVideoIO;
1726        }
1727        ACCESS_FBINFO(devflags.ydstorg) = 0;
1728
1729        ACCESS_FBINFO(video.base) = video_base_phys;
1730        ACCESS_FBINFO(video.len_usable) = ACCESS_FBINFO(video.len);
1731        if (ACCESS_FBINFO(video.len_usable) > b->base->maxdisplayable)
1732                ACCESS_FBINFO(video.len_usable) = b->base->maxdisplayable;
1733#ifdef CONFIG_MTRR
1734        if (mtrr) {
1735                ACCESS_FBINFO(mtrr.vram) = mtrr_add(video_base_phys, ACCESS_FBINFO(video.len), MTRR_TYPE_WRCOMB, 1);
1736                ACCESS_FBINFO(mtrr.vram_valid) = 1;
1737                printk(KERN_INFO "matroxfb: MTRR's turned on\n");
1738        }
1739#endif  /* CONFIG_MTRR */
1740
1741        if (!ACCESS_FBINFO(devflags.novga))
1742                request_region(0x3C0, 32, "matrox");
1743        matroxfb_g450_connect(PMINFO2);
1744        ACCESS_FBINFO(hw_switch->reset(PMINFO2));
1745
1746        ACCESS_FBINFO(fbcon.monspecs.hfmin) = 0;
1747        ACCESS_FBINFO(fbcon.monspecs.hfmax) = fh;
1748        ACCESS_FBINFO(fbcon.monspecs.vfmin) = 0;
1749        ACCESS_FBINFO(fbcon.monspecs.vfmax) = fv;
1750        ACCESS_FBINFO(fbcon.monspecs.dpms) = 0; /* TBD */
1751
1752        /* static settings */
1753        vesafb_defined.red = colors[depth-1].red;
1754        vesafb_defined.green = colors[depth-1].green;
1755        vesafb_defined.blue = colors[depth-1].blue;
1756        vesafb_defined.bits_per_pixel = colors[depth-1].bits_per_pixel;
1757        vesafb_defined.grayscale = grayscale;
1758        vesafb_defined.vmode = 0;
1759        if (noaccel)
1760                vesafb_defined.accel_flags &= ~FB_ACCELF_TEXT;
1761
1762        ACCESS_FBINFO(fbops) = matroxfb_ops;
1763        ACCESS_FBINFO(fbcon.fbops) = &ACCESS_FBINFO(fbops);
1764        ACCESS_FBINFO(fbcon.pseudo_palette) = ACCESS_FBINFO(cmap);
1765        /* after __init time we are like module... no logo */
1766        ACCESS_FBINFO(fbcon.flags) = hotplug ? FBINFO_FLAG_MODULE : FBINFO_FLAG_DEFAULT;
1767        ACCESS_FBINFO(fbcon.flags) |= FBINFO_PARTIAL_PAN_OK |    /* Prefer panning for scroll under MC viewer/edit */
1768                                      FBINFO_HWACCEL_COPYAREA |  /* We have hw-assisted bmove */
1769                                      FBINFO_HWACCEL_FILLRECT |  /* And fillrect */
1770                                      FBINFO_HWACCEL_IMAGEBLIT | /* And imageblit */
1771                                      FBINFO_HWACCEL_XPAN |      /* And we support both horizontal */
1772                                      FBINFO_HWACCEL_YPAN;       /* And vertical panning */
1773        ACCESS_FBINFO(video.len_usable) &= PAGE_MASK;
1774        fb_alloc_cmap(&ACCESS_FBINFO(fbcon.cmap), 256, 1);
1775
1776#ifndef MODULE
1777        /* mode database is marked __init!!! */
1778        if (!hotplug) {
1779                fb_find_mode(&vesafb_defined, &ACCESS_FBINFO(fbcon), videomode[0]?videomode:NULL,
1780                        NULL, 0, &defaultmode, vesafb_defined.bits_per_pixel);
1781        }
1782#endif /* !MODULE */
1783
1784        /* mode modifiers */
1785        if (hslen)
1786                vesafb_defined.hsync_len = hslen;
1787        if (vslen)
1788                vesafb_defined.vsync_len = vslen;
1789        if (left != ~0)
1790                vesafb_defined.left_margin = left;
1791        if (right != ~0)
1792                vesafb_defined.right_margin = right;
1793        if (upper != ~0)
1794                vesafb_defined.upper_margin = upper;
1795        if (lower != ~0)
1796                vesafb_defined.lower_margin = lower;
1797        if (xres)
1798                vesafb_defined.xres = xres;
1799        if (yres)
1800                vesafb_defined.yres = yres;
1801        if (sync != -1)
1802                vesafb_defined.sync = sync;
1803        else if (vesafb_defined.sync == ~0) {
1804                vesafb_defined.sync = 0;
1805                if (yres < 400)
1806                        vesafb_defined.sync |= FB_SYNC_HOR_HIGH_ACT;
1807                else if (yres < 480)
1808                        vesafb_defined.sync |= FB_SYNC_VERT_HIGH_ACT;
1809        }
1810
1811        /* fv, fh, maxclk limits was specified */
1812        {
1813                unsigned int tmp;
1814
1815                if (fv) {
1816                        tmp = fv * (vesafb_defined.upper_margin + vesafb_defined.yres
1817                                  + vesafb_defined.lower_margin + vesafb_defined.vsync_len);
1818                        if ((tmp < fh) || (fh == 0)) fh = tmp;
1819                }
1820                if (fh) {
1821                        tmp = fh * (vesafb_defined.left_margin + vesafb_defined.xres
1822                                  + vesafb_defined.right_margin + vesafb_defined.hsync_len);
1823                        if ((tmp < maxclk) || (maxclk == 0)) maxclk = tmp;
1824                }
1825                tmp = (maxclk + 499) / 500;
1826                if (tmp) {
1827                        tmp = (2000000000 + tmp) / tmp;
1828                        if (tmp > pixclock) pixclock = tmp;
1829                }
1830        }
1831        if (pixclock) {
1832                if (pixclock < 2000)            /* > 500MHz */
1833                        pixclock = 4000;        /* 250MHz */
1834                if (pixclock > 1000000)
1835                        pixclock = 1000000;     /* 1MHz */
1836                vesafb_defined.pixclock = pixclock;
1837        }
1838
1839        /* FIXME: Where to move this?! */
1840#if defined(CONFIG_PPC_PMAC)
1841#ifndef MODULE
1842        if (machine_is(powermac)) {
1843                struct fb_var_screeninfo var;
1844                if (default_vmode <= 0 || default_vmode > VMODE_MAX)
1845                        default_vmode = VMODE_640_480_60;
1846#ifdef CONFIG_NVRAM
1847                if (default_cmode == CMODE_NVRAM)
1848                        default_cmode = nvram_read_byte(NV_CMODE);
1849#endif
1850                if (default_cmode < CMODE_8 || default_cmode > CMODE_32)
1851                        default_cmode = CMODE_8;
1852                if (!mac_vmode_to_var(default_vmode, default_cmode, &var)) {
1853                        var.accel_flags = vesafb_defined.accel_flags;
1854                        var.xoffset = var.yoffset = 0;
1855                        /* Note: mac_vmode_to_var() does not set all parameters */
1856                        vesafb_defined = var;
1857                }
1858        }
1859#endif /* !MODULE */
1860#endif /* CONFIG_PPC_PMAC */
1861        vesafb_defined.xres_virtual = vesafb_defined.xres;
1862        if (nopan) {
1863                vesafb_defined.yres_virtual = vesafb_defined.yres;
1864        } else {
1865                vesafb_defined.yres_virtual = 65536; /* large enough to be INF, but small enough
1866                                                        to yres_virtual * xres_virtual < 2^32 */
1867        }
1868        matroxfb_init_fix(PMINFO2);
1869        ACCESS_FBINFO(fbcon.screen_base) = vaddr_va(ACCESS_FBINFO(video.vbase));
1870        matroxfb_update_fix(PMINFO2);
1871        /* Normalize values (namely yres_virtual) */
1872        matroxfb_check_var(&vesafb_defined, &ACCESS_FBINFO(fbcon));
1873        /* And put it into "current" var. Do NOT program hardware yet, or we'll not take over
1874         * vgacon correctly. fbcon_startup will call fb_set_par for us, WITHOUT check_var,
1875         * and unfortunately it will do it BEFORE vgacon contents is saved, so it won't work
1876         * anyway. But we at least tried... */
1877        ACCESS_FBINFO(fbcon.var) = vesafb_defined;
1878        err = -EINVAL;
1879
1880        printk(KERN_INFO "matroxfb: %dx%dx%dbpp (virtual: %dx%d)\n",
1881                vesafb_defined.xres, vesafb_defined.yres, vesafb_defined.bits_per_pixel,
1882                vesafb_defined.xres_virtual, vesafb_defined.yres_virtual);
1883        printk(KERN_INFO "matroxfb: framebuffer at 0x%lX, mapped to 0x%p, size %d\n",
1884                ACCESS_FBINFO(video.base), vaddr_va(ACCESS_FBINFO(video.vbase)), ACCESS_FBINFO(video.len));
1885
1886/* We do not have to set currcon to 0... register_framebuffer do it for us on first console
1887 * and we do not want currcon == 0 for subsequent framebuffers */
1888
1889        ACCESS_FBINFO(fbcon).device = &ACCESS_FBINFO(pcidev)->dev;
1890        if (register_framebuffer(&ACCESS_FBINFO(fbcon)) < 0) {
1891                goto failVideoIO;
1892        }
1893        printk("fb%d: %s frame buffer device\n",
1894               ACCESS_FBINFO(fbcon.node), ACCESS_FBINFO(fbcon.fix.id));
1895
1896        /* there is no console on this fb... but we have to initialize hardware
1897         * until someone tells me what is proper thing to do */
1898        if (!ACCESS_FBINFO(initialized)) {
1899                printk(KERN_INFO "fb%d: initializing hardware\n",
1900                       ACCESS_FBINFO(fbcon.node));
1901                /* We have to use FB_ACTIVATE_FORCE, as we had to put vesafb_defined to the fbcon.var
1902                 * already before, so register_framebuffer works correctly. */
1903                vesafb_defined.activate |= FB_ACTIVATE_FORCE;
1904                fb_set_var(&ACCESS_FBINFO(fbcon), &vesafb_defined);
1905        }
1906
1907        return 0;
1908failVideoIO:;
1909        matroxfb_g450_shutdown(PMINFO2);
1910        mga_iounmap(ACCESS_FBINFO(video.vbase));
1911failCtrlIO:;
1912        mga_iounmap(ACCESS_FBINFO(mmio.vbase));
1913failVideoMR:;
1914        release_mem_region(video_base_phys, ACCESS_FBINFO(video.len_maximum));
1915failCtrlMR:;
1916        release_mem_region(ctrlptr_phys, 16384);
1917fail:;
1918        return err;
1919}
1920
1921static LIST_HEAD(matroxfb_list);
1922static LIST_HEAD(matroxfb_driver_list);
1923
1924#define matroxfb_l(x) list_entry(x, struct matrox_fb_info, next_fb)
1925#define matroxfb_driver_l(x) list_entry(x, struct matroxfb_driver, node)
1926int matroxfb_register_driver(struct matroxfb_driver* drv) {
1927        struct matrox_fb_info* minfo;
1928
1929        list_add(&drv->node, &matroxfb_driver_list);
1930        for (minfo = matroxfb_l(matroxfb_list.next);
1931             minfo != matroxfb_l(&matroxfb_list);
1932             minfo = matroxfb_l(minfo->next_fb.next)) {
1933                void* p;
1934
1935                if (minfo->drivers_count == MATROXFB_MAX_FB_DRIVERS)
1936                        continue;
1937                p = drv->probe(minfo);
1938                if (p) {
1939                        minfo->drivers_data[minfo->drivers_count] = p;
1940                        minfo->drivers[minfo->drivers_count++] = drv;
1941                }
1942        }
1943        return 0;
1944}
1945
1946void matroxfb_unregister_driver(struct matroxfb_driver* drv) {
1947        struct matrox_fb_info* minfo;
1948
1949        list_del(&drv->node);
1950        for (minfo = matroxfb_l(matroxfb_list.next);
1951             minfo != matroxfb_l(&matroxfb_list);
1952             minfo = matroxfb_l(minfo->next_fb.next)) {
1953                int i;
1954
1955                for (i = 0; i < minfo->drivers_count; ) {
1956                        if (minfo->drivers[i] == drv) {
1957                                if (drv && drv->remove)
1958                                        drv->remove(minfo, minfo->drivers_data[i]);
1959                                minfo->drivers[i] = minfo->drivers[--minfo->drivers_count];
1960                                minfo->drivers_data[i] = minfo->drivers_data[minfo->drivers_count];
1961                        } else
1962                                i++;
1963                }
1964        }
1965}
1966
1967static void matroxfb_register_device(struct matrox_fb_info* minfo) {
1968        struct matroxfb_driver* drv;
1969        int i = 0;
1970        list_add(&ACCESS_FBINFO(next_fb), &matroxfb_list);
1971        for (drv = matroxfb_driver_l(matroxfb_driver_list.next);
1972             drv != matroxfb_driver_l(&matroxfb_driver_list);
1973             drv = matroxfb_driver_l(drv->node.next)) {
1974                if (drv && drv->probe) {
1975                        void *p = drv->probe(minfo);
1976                        if (p) {
1977                                minfo->drivers_data[i] = p;
1978                                minfo->drivers[i++] = drv;
1979                                if (i == MATROXFB_MAX_FB_DRIVERS)
1980                                        break;
1981                        }
1982                }
1983        }
1984        minfo->drivers_count = i;
1985}
1986
1987static void matroxfb_unregister_device(struct matrox_fb_info* minfo) {
1988        int i;
1989
1990        list_del(&ACCESS_FBINFO(next_fb));
1991        for (i = 0; i < minfo->drivers_count; i++) {
1992                struct matroxfb_driver* drv = minfo->drivers[i];
1993
1994                if (drv && drv->remove)
1995                        drv->remove(minfo, minfo->drivers_data[i]);
1996        }
1997}
1998
1999static int matroxfb_probe(struct pci_dev* pdev, const struct pci_device_id* dummy) {
2000        struct board* b;
2001        u_int16_t svid;
2002        u_int16_t sid;
2003        struct matrox_fb_info* minfo;
2004        int err;
2005        u_int32_t cmd;
2006#ifndef CONFIG_FB_MATROX_MULTIHEAD
2007        static int registered = 0;
2008#endif
2009        DBG(__FUNCTION__)
2010
2011        svid = pdev->subsystem_vendor;
2012        sid = pdev->subsystem_device;
2013        for (b = dev_list; b->vendor; b++) {
2014                if ((b->vendor != pdev->vendor) || (b->device != pdev->device) || (b->rev < pdev->revision)) continue;
2015                if (b->svid)
2016                        if ((b->svid != svid) || (b->sid != sid)) continue;
2017                break;
2018        }
2019        /* not match... */
2020        if (!b->vendor)
2021                return -ENODEV;
2022        if (dev > 0) {
2023                /* not requested one... */
2024                dev--;
2025                return -ENODEV;
2026        }
2027        pci_read_config_dword(pdev, PCI_COMMAND, &cmd);
2028        if (pci_enable_device(pdev)) {
2029                return -1;
2030        }
2031
2032#ifdef CONFIG_FB_MATROX_MULTIHEAD
2033        minfo = kmalloc(sizeof(*minfo), GFP_KERNEL);
2034        if (!minfo)
2035                return -1;
2036#else
2037        if (registered) /* singlehead driver... */
2038                return -1;
2039        minfo = &matroxfb_global_mxinfo;
2040#endif
2041        memset(MINFO, 0, sizeof(*MINFO));
2042
2043        ACCESS_FBINFO(pcidev) = pdev;
2044        ACCESS_FBINFO(dead) = 0;
2045        ACCESS_FBINFO(usecount) = 0;
2046        ACCESS_FBINFO(userusecount) = 0;
2047
2048        pci_set_drvdata(pdev, MINFO);
2049        /* DEVFLAGS */
2050        ACCESS_FBINFO(devflags.memtype) = memtype;
2051        if (memtype != -1)
2052                noinit = 0;
2053        if (cmd & PCI_COMMAND_MEMORY) {
2054                ACCESS_FBINFO(devflags.novga) = novga;
2055                ACCESS_FBINFO(devflags.nobios) = nobios;
2056                ACCESS_FBINFO(devflags.noinit) = noinit;
2057                /* subsequent heads always needs initialization and must not enable BIOS */
2058                novga = 1;
2059                nobios = 1;
2060                noinit = 0;
2061        } else {
2062                ACCESS_FBINFO(devflags.novga) = 1;
2063                ACCESS_FBINFO(devflags.nobios) = 1;
2064                ACCESS_FBINFO(devflags.noinit) = 0;
2065        }
2066
2067        ACCESS_FBINFO(devflags.nopciretry) = no_pci_retry;
2068        ACCESS_FBINFO(devflags.mga_24bpp_fix) = inv24;
2069        ACCESS_FBINFO(devflags.precise_width) = option_precise_width;
2070        ACCESS_FBINFO(devflags.sgram) = sgram;
2071        ACCESS_FBINFO(capable.cross4MB) = cross4MB;
2072
2073        spin_lock_init(&ACCESS_FBINFO(lock.DAC));
2074        spin_lock_init(&ACCESS_FBINFO(lock.accel));
2075        init_rwsem(&ACCESS_FBINFO(crtc2.lock));
2076        init_rwsem(&ACCESS_FBINFO(altout.lock));
2077        ACCESS_FBINFO(irq_flags) = 0;
2078        init_waitqueue_head(&ACCESS_FBINFO(crtc1.vsync.wait));
2079        init_waitqueue_head(&ACCESS_FBINFO(crtc2.vsync.wait));
2080        ACCESS_FBINFO(crtc1.panpos) = -1;
2081
2082        err = initMatrox2(PMINFO b);
2083        if (!err) {
2084#ifndef CONFIG_FB_MATROX_MULTIHEAD
2085                registered = 1;
2086#endif
2087                matroxfb_register_device(MINFO);
2088                return 0;
2089        }
2090#ifdef CONFIG_FB_MATROX_MULTIHEAD
2091        kfree(minfo);
2092#endif
2093        return -1;
2094}
2095
2096static void pci_remove_matrox(struct pci_dev* pdev) {
2097        struct matrox_fb_info* minfo;
2098
2099        minfo = pci_get_drvdata(pdev);
2100        matroxfb_remove(PMINFO 1);
2101}
2102
2103static struct pci_device_id matroxfb_devices[] = {
2104#ifdef CONFIG_FB_MATROX_MILLENIUM
2105        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL,
2106                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2107        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2,
2108                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2109        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2_AGP,
2110                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2111#endif
2112#ifdef CONFIG_FB_MATROX_MYSTIQUE
2113        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,
2114                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2115#endif
2116#ifdef CONFIG_FB_MATROX_G
2117        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_MM,
2118                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2119        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_AGP,
2120                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2121        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_PCI,
2122                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2123        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,
2124                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2125        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,
2126                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2127        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G550,
2128                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2129#endif
2130        {0,                     0,
2131                0,              0,              0, 0, 0}
2132};
2133
2134MODULE_DEVICE_TABLE(pci, matroxfb_devices);
2135
2136
2137static struct pci_driver matroxfb_driver = {
2138        .name =         "matroxfb",
2139        .id_table =     matroxfb_devices,
2140        .probe =        matroxfb_probe,
2141        .remove =       pci_remove_matrox,
2142};
2143
2144/* **************************** init-time only **************************** */
2145
2146#define RSResolution(X) ((X) & 0x0F)
2147#define RS640x400       1
2148#define RS640x480       2
2149#define RS800x600       3
2150#define RS1024x768      4
2151#define RS1280x1024     5
2152#define RS1600x1200     6
2153#define RS768x576       7
2154#define RS960x720       8
2155#define RS1152x864      9
2156#define RS1408x1056     10
2157#define RS640x350       11
2158#define RS1056x344      12      /* 132 x 43 text */
2159#define RS1056x400      13      /* 132 x 50 text */
2160#define RS1056x480      14      /* 132 x 60 text */
2161#define RSNoxNo         15
2162/* 10-FF */
2163static struct { int xres, yres, left, right, upper, lower, hslen, vslen, vfreq; } timmings[] __initdata = {
2164        {  640,  400,  48, 16, 39,  8,  96, 2, 70 },
2165        {  640,  480,  48, 16, 33, 10,  96, 2, 60 },
2166        {  800,  600, 144, 24, 28,  8, 112, 6, 60 },
2167        { 1024,  768, 160, 32, 30,  4, 128, 4, 60 },
2168        { 1280, 1024, 224, 32, 32,  4, 136, 4, 60 },
2169        { 1600, 1200, 272, 48, 32,  5, 152, 5, 60 },
2170        {  768,  576, 144, 16, 28,  6, 112, 4, 60 },
2171        {  960,  720, 144, 24, 28,  8, 112, 4, 60 },
2172        { 1152,  864, 192, 32, 30,  4, 128, 4, 60 },
2173        { 1408, 1056, 256, 40, 32,  5, 144, 5, 60 },
2174        {  640,  350,  48, 16, 39,  8,  96, 2, 70 },
2175        { 1056,  344,  96, 24, 59, 44, 160, 2, 70 },
2176        { 1056,  400,  96, 24, 39,  8, 160, 2, 70 },
2177        { 1056,  480,  96, 24, 36, 12, 160, 3, 60 },
2178        {    0,    0,  ~0, ~0, ~0, ~0,   0, 0,  0 }
2179};
2180
2181#define RSCreate(X,Y)   ((X) | ((Y) << 8))
2182static struct { unsigned int vesa; unsigned int info; } *RSptr, vesamap[] __initdata = {
2183/* default must be first */
2184        {    ~0, RSCreate(RSNoxNo,     RS8bpp ) },
2185        { 0x101, RSCreate(RS640x480,   RS8bpp ) },
2186        { 0x100, RSCreate(RS640x400,   RS8bpp ) },
2187        { 0x180, RSCreate(RS768x576,   RS8bpp ) },
2188        { 0x103, RSCreate(RS800x600,   RS8bpp ) },
2189        { 0x188, RSCreate(RS960x720,   RS8bpp ) },
2190        { 0x105, RSCreate(RS1024x768,  RS8bpp ) },
2191        { 0x190, RSCreate(RS1152x864,  RS8bpp ) },
2192        { 0x107, RSCreate(RS1280x1024, RS8bpp ) },
2193        { 0x198, RSCreate(RS1408x1056, RS8bpp ) },
2194        { 0x11C, RSCreate(RS1600x1200, RS8bpp ) },
2195        { 0x110, RSCreate(RS640x480,   RS15bpp) },
2196        { 0x181, RSCreate(RS768x576,   RS15bpp) },
2197        { 0x113, RSCreate(RS800x600,   RS15bpp) },
2198        { 0x189, RSCreate(RS960x720,   RS15bpp) },
2199        { 0x116, RSCreate(RS1024x768,  RS15bpp) },
2200        { 0x191, RSCreate(RS1152x864,  RS15bpp) },
2201        { 0x119, RSCreate(RS1280x1024, RS15bpp) },
2202        { 0x199, RSCreate(RS1408x1056, RS15bpp) },
2203        { 0x11D, RSCreate(RS1600x1200, RS15bpp) },
2204        { 0x111, RSCreate(RS640x480,   RS16bpp) },
2205        { 0x182, RSCreate(RS768x576,   RS16bpp) },
2206        { 0x114, RSCreate(RS800x600,   RS16bpp) },
2207        { 0x18A, RSCreate(RS960x720,   RS16bpp) },
2208        { 0x117, RSCreate(RS1024x768,  RS16bpp) },
2209        { 0x192, RSCreate(RS1152x864,  RS16bpp) },
2210        { 0x11A, RSCreate(RS1280x1024, RS16bpp) },
2211        { 0x19A, RSCreate(RS1408x1056, RS16bpp) },
2212        { 0x11E, RSCreate(RS1600x1200, RS16bpp) },
2213        { 0x1B2, RSCreate(RS640x480,   RS24bpp) },
2214        { 0x184, RSCreate(RS768x576,   RS24bpp) },
2215        { 0x1B5, RSCreate(RS800x600,   RS24bpp) },
2216        { 0x18C, RSCreate(RS960x720,   RS24bpp) },
2217        { 0x1B8, RSCreate(RS1024x768,  RS24bpp) },
2218        { 0x194, RSCreate(RS1152x864,  RS24bpp) },
2219        { 0x1BB, RSCreate(RS1280x1024, RS24bpp) },
2220        { 0x19C, RSCreate(RS1408x1056, RS24bpp) },
2221        { 0x1BF, RSCreate(RS1600x1200, RS24bpp) },
2222        { 0x112, RSCreate(RS640x480,   RS32bpp) },
2223        { 0x183, RSCreate(RS768x576,   RS32bpp) },
2224        { 0x115, RSCreate(RS800x600,   RS32bpp) },
2225        { 0x18B, RSCreate(RS960x720,   RS32bpp) },
2226        { 0x118, RSCreate(RS1024x768,  RS32bpp) },
2227        { 0x193, RSCreate(RS1152x864,  RS32bpp) },
2228        { 0x11B, RSCreate(RS1280x1024, RS32bpp) },
2229        { 0x19B, RSCreate(RS1408x1056, RS32bpp) },
2230        { 0x11F, RSCreate(RS1600x1200, RS32bpp) },
2231        { 0x010, RSCreate(RS640x350,   RS4bpp ) },
2232        { 0x012, RSCreate(RS640x480,   RS4bpp ) },
2233        { 0x102, RSCreate(RS800x600,   RS4bpp ) },
2234        { 0x104, RSCreate(RS1024x768,  RS4bpp ) },
2235        { 0x106, RSCreate(RS1280x1024, RS4bpp ) },
2236        {     0, 0                              }};
2237
2238static void __init matroxfb_init_params(void) {
2239        /* fh from kHz to Hz */
2240        if (fh < 1000)
2241                fh *= 1000;     /* 1kHz minimum */
2242        /* maxclk */
2243        if (maxclk < 1000) maxclk *= 1000;      /* kHz -> Hz, MHz -> kHz */
2244        if (maxclk < 1000000) maxclk *= 1000;   /* kHz -> Hz, 1MHz minimum */
2245        /* fix VESA number */
2246        if (vesa != ~0)
2247                vesa &= 0x1DFF;         /* mask out clearscreen, acceleration and so on */
2248
2249        /* static settings */
2250        for (RSptr = vesamap; RSptr->vesa; RSptr++) {
2251                if (RSptr->vesa == vesa) break;
2252        }
2253        if (!RSptr->vesa) {
2254                printk(KERN_ERR "Invalid vesa mode 0x%04X\n", vesa);
2255                RSptr = vesamap;
2256        }
2257        {
2258                int res = RSResolution(RSptr->info)-1;
2259                if (left == ~0)
2260                        left = timmings[res].left;
2261                if (!xres)
2262                        xres = timmings[res].xres;
2263                if (right == ~0)
2264                        right = timmings[res].right;
2265                if (!hslen)
2266                        hslen = timmings[res].hslen;
2267                if (upper == ~0)
2268                        upper = timmings[res].upper;
2269                if (!yres)
2270                        yres = timmings[res].yres;
2271                if (lower == ~0)
2272                        lower = timmings[res].lower;
2273                if (!vslen)
2274                        vslen = timmings[res].vslen;
2275                if (!(fv||fh||maxclk||pixclock))
2276                        fv = timmings[res].vfreq;
2277                if (depth == -1)
2278                        depth = RSDepth(RSptr->info);
2279        }
2280}
2281
2282static int __init matrox_init(void) {
2283        int err;
2284
2285        matroxfb_init_params();
2286        err = pci_register_driver(&matroxfb_driver);
2287        dev = -1;       /* accept all new devices... */
2288        return err;
2289}
2290
2291/* **************************** exit-time only **************************** */
2292
2293static void __exit matrox_done(void) {
2294        pci_unregister_driver(&matroxfb_driver);
2295}
2296
2297#ifndef MODULE
2298
2299/* ************************* init in-kernel code ************************** */
2300
2301static int __init matroxfb_setup(char *options) {
2302        char *this_opt;
2303
2304        DBG(__FUNCTION__)
2305
2306        if (!options || !*options)
2307                return 0;
2308
2309        while ((this_opt = strsep(&options, ",")) != NULL) {
2310                if (!*this_opt) continue;
2311
2312                dprintk("matroxfb_setup: option %s\n", this_opt);
2313
2314                if (!strncmp(this_opt, "dev:", 4))
2315                        dev = simple_strtoul(this_opt+4, NULL, 0);
2316                else if (!strncmp(this_opt, "depth:", 6)) {
2317                        switch (simple_strtoul(this_opt+6, NULL, 0)) {
2318                                case 0: depth = RSText; break;
2319                                case 4: depth = RS4bpp; break;
2320                                case 8: depth = RS8bpp; break;
2321                                case 15:depth = RS15bpp; break;
2322                                case 16:depth = RS16bpp; break;
2323                                case 24:depth = RS24bpp; break;
2324                                case 32:depth = RS32bpp; break;
2325                                default:
2326                                        printk(KERN_ERR "matroxfb: unsupported color depth\n");
2327                        }
2328                } else if (!strncmp(this_opt, "xres:", 5))
2329                        xres = simple_strtoul(this_opt+5, NULL, 0);
2330                else if (!strncmp(this_opt, "yres:", 5))
2331                        yres = simple_strtoul(this_opt+5, NULL, 0);
2332                else if (!strncmp(this_opt, "vslen:", 6))
2333                        vslen = simple_strtoul(this_opt+6, NULL, 0);
2334                else if (!strncmp(this_opt, "hslen:", 6))
2335                        hslen = simple_strtoul(this_opt+6, NULL, 0);
2336                else if (!strncmp(this_opt, "left:", 5))
2337                        left = simple_strtoul(this_opt+5, NULL, 0);
2338                else if (!strncmp(this_opt, "right:", 6))
2339                        right = simple_strtoul(this_opt+6, NULL, 0);
2340                else if (!strncmp(this_opt, "upper:", 6))
2341                        upper = simple_strtoul(this_opt+6, NULL, 0);
2342                else if (!strncmp(this_opt, "lower:", 6))
2343                        lower = simple_strtoul(this_opt+6, NULL, 0);
2344                else if (!strncmp(this_opt, "pixclock:", 9))
2345                        pixclock = simple_strtoul(this_opt+9, NULL, 0);
2346                else if (!strncmp(this_opt, "sync:", 5))
2347                        sync = simple_strtoul(this_opt+5, NULL, 0);
2348                else if (!strncmp(this_opt, "vesa:", 5))
2349                        vesa = simple_strtoul(this_opt+5, NULL, 0);
2350                else if (!strncmp(this_opt, "maxclk:", 7))
2351                        maxclk = simple_strtoul(this_opt+7, NULL, 0);
2352                else if (!strncmp(this_opt, "fh:", 3))
2353                        fh = simple_strtoul(this_opt+3, NULL, 0);
2354                else if (!strncmp(this_opt, "fv:", 3))
2355                        fv = simple_strtoul(this_opt+3, NULL, 0);
2356                else if (!strncmp(this_opt, "mem:", 4))
2357                        mem = simple_strtoul(this_opt+4, NULL, 0);
2358                else if (!strncmp(this_opt, "mode:", 5))
2359                        strlcpy(videomode, this_opt+5, sizeof(videomode));
2360                else if (!strncmp(this_opt, "outputs:", 8))
2361                        strlcpy(outputs, this_opt+8, sizeof(outputs));
2362                else if (!strncmp(this_opt, "dfp:", 4)) {
2363                        dfp_type = simple_strtoul(this_opt+4, NULL, 0);
2364                        dfp = 1;
2365                }
2366#ifdef CONFIG_PPC_PMAC
2367                else if (!strncmp(this_opt, "vmode:", 6)) {
2368                        unsigned int vmode = simple_strtoul(this_opt+6, NULL, 0);
2369                        if (vmode > 0 && vmode <= VMODE_MAX)
2370                                default_vmode = vmode;
2371                } else if (!strncmp(this_opt, "cmode:", 6)) {
2372                        unsigned int cmode = simple_strtoul(this_opt+6, NULL, 0);
2373                        switch (cmode) {
2374                                case 0:
2375                                case 8:
2376                                        default_cmode = CMODE_8;
2377                                        break;
2378                                case 15:
2379                                case 16:
2380                                        default_cmode = CMODE_16;
2381                                        break;
2382                                case 24:
2383                                case 32:
2384                                        default_cmode = CMODE_32;
2385                                        break;
2386                        }
2387                }
2388#endif
2389                else if (!strcmp(this_opt, "disabled")) /* nodisabled does not exist */
2390                        disabled = 1;
2391                else if (!strcmp(this_opt, "enabled"))  /* noenabled does not exist */
2392                        disabled = 0;
2393                else if (!strcmp(this_opt, "sgram"))    /* nosgram == sdram */
2394                        sgram = 1;
2395                else if (!strcmp(this_opt, "sdram"))
2396                        sgram = 0;
2397                else if (!strncmp(this_opt, "memtype:", 8))
2398                        memtype = simple_strtoul(this_opt+8, NULL, 0);
2399                else {
2400                        int value = 1;
2401
2402                        if (!strncmp(this_opt, "no", 2)) {
2403                                value = 0;
2404                                this_opt += 2;
2405                        }
2406                        if (! strcmp(this_opt, "inverse"))
2407                                inverse = value;
2408                        else if (!strcmp(this_opt, "accel"))
2409                                noaccel = !value;
2410                        else if (!strcmp(this_opt, "pan"))
2411                                nopan = !value;
2412                        else if (!strcmp(this_opt, "pciretry"))
2413                                no_pci_retry = !value;
2414                        else if (!strcmp(this_opt, "vga"))
2415                                novga = !value;
2416                        else if (!strcmp(this_opt, "bios"))
2417                                nobios = !value;
2418                        else if (!strcmp(this_opt, "init"))
2419                                noinit = !value;
2420#ifdef CONFIG_MTRR
2421                        else if (!strcmp(this_opt, "mtrr"))
2422                                mtrr = value;
2423#endif
2424                        else if (!strcmp(this_opt, "inv24"))
2425                                inv24 = value;
2426                        else if (!strcmp(this_opt, "cross4MB"))
2427                                cross4MB = value;
2428                        else if (!strcmp(this_opt, "grayscale"))
2429                                grayscale = value;
2430                        else if (!strcmp(this_opt, "dfp"))
2431                                dfp = value;
2432                        else {
2433                                strlcpy(videomode, this_opt, sizeof(videomode));
2434                        }
2435                }
2436        }
2437        return 0;
2438}
2439
2440static int __initdata initialized = 0;
2441
2442static int __init matroxfb_init(void)
2443{
2444        char *option = NULL;
2445        int err = 0;
2446
2447        DBG(__FUNCTION__)
2448
2449        if (fb_get_options("matroxfb", &option))
2450                return -ENODEV;
2451        matroxfb_setup(option);
2452
2453        if (disabled)
2454                return -ENXIO;
2455        if (!initialized) {
2456                initialized = 1;
2457                err = matrox_init();
2458        }
2459        hotplug = 1;
2460        /* never return failure, user can hotplug matrox later... */
2461        return err;
2462}
2463
2464module_init(matroxfb_init);
2465
2466#else
2467
2468/* *************************** init module code **************************** */
2469
2470MODULE_AUTHOR("(c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>");
2471MODULE_DESCRIPTION("Accelerated FBDev driver for Matrox Millennium/Mystique/G100/G200/G400/G450/G550");
2472MODULE_LICENSE("GPL");
2473
2474module_param(mem, int, 0);
2475MODULE_PARM_DESC(mem, "Size of available memory in MB, KB or B (2,4,8,12,16MB, default=autodetect)");
2476module_param(disabled, int, 0);
2477MODULE_PARM_DESC(disabled, "Disabled (0 or 1=disabled) (default=0)");
2478module_param(noaccel, int, 0);
2479MODULE_PARM_DESC(noaccel, "Do not use accelerating engine (0 or 1=disabled) (default=0)");
2480module_param(nopan, int, 0);
2481MODULE_PARM_DESC(nopan, "Disable pan on startup (0 or 1=disabled) (default=0)");
2482module_param(no_pci_retry, int, 0);
2483MODULE_PARM_DESC(no_pci_retry, "PCI retries enabled (0 or 1=disabled) (default=0)");
2484module_param(novga, int, 0);
2485MODULE_PARM_DESC(novga, "VGA I/O (0x3C0-0x3DF) disabled (0 or 1=disabled) (default=0)");
2486module_param(nobios, int, 0);
2487MODULE_PARM_DESC(nobios, "Disables ROM BIOS (0 or 1=disabled) (default=do not change BIOS state)");
2488module_param(noinit, int, 0);
2489MODULE_PARM_DESC(noinit, "Disables W/SG/SD-RAM and bus interface initialization (0 or 1=do not initialize) (default=0)");
2490module_param(memtype, int, 0);
2491MODULE_PARM_DESC(memtype, "Memory type for G200/G400 (see Documentation/fb/matroxfb.txt for explanation) (default=3 for G200, 0 for G400)");
2492#ifdef CONFIG_MTRR
2493module_param(mtrr, int, 0);
2494MODULE_PARM_DESC(mtrr, "This speeds up video memory accesses (0=disabled or 1) (default=1)");
2495#endif
2496module_param(sgram, int, 0);
2497MODULE_PARM_DESC(sgram, "Indicates that G100/G200/G400 has SGRAM memory (0=SDRAM, 1=SGRAM) (default=0)");
2498module_param(inv24, int, 0);
2499MODULE_PARM_DESC(inv24, "Inverts clock polarity for 24bpp and loop frequency > 100MHz (default=do not invert polarity)");
2500module_param(inverse, int, 0);
2501MODULE_PARM_DESC(inverse, "Inverse (0 or 1) (default=0)");
2502#ifdef CONFIG_FB_MATROX_MULTIHEAD
2503module_param(dev, int, 0);
2504MODULE_PARM_DESC(dev, "Multihead support, attach to device ID (0..N) (default=all working)");
2505#else
2506module_param(dev, int, 0);
2507MODULE_PARM_DESC(dev, "Multihead support, attach to device ID (0..N) (default=first working)");
2508#endif
2509module_param(vesa, int, 0);
2510MODULE_PARM_DESC(vesa, "Startup videomode (0x000-0x1FF) (default=0x101)");
2511module_param(xres, int, 0);
2512MODULE_PARM_DESC(xres, "Horizontal resolution (px), overrides xres from vesa (default=vesa)");
2513module_param(yres, int, 0);
2514MODULE_PARM_DESC(yres, "Vertical resolution (scans), overrides yres from vesa (default=vesa)");
2515module_param(upper, int, 0);
2516MODULE_PARM_DESC(upper, "Upper blank space (scans), overrides upper from vesa (default=vesa)");
2517module_param(lower, int, 0);
2518MODULE_PARM_DESC(lower, "Lower blank space (scans), overrides lower from vesa (default=vesa)");
2519module_param(vslen, int, 0);
2520MODULE_PARM_DESC(vslen, "Vertical sync length (scans), overrides lower from vesa (default=vesa)");
2521module_param(left, int, 0);
2522MODULE_PARM_DESC(left, "Left blank space (px), overrides left from vesa (default=vesa)");
2523module_param(right, int, 0);
2524MODULE_PARM_DESC(right, "Right blank space (px), overrides right from vesa (default=vesa)");
2525module_param(hslen, int, 0);
2526MODULE_PARM_DESC(hslen, "Horizontal sync length (px), overrides hslen from vesa (default=vesa)");
2527module_param(pixclock, int, 0);
2528MODULE_PARM_DESC(pixclock, "Pixelclock (ns), overrides pixclock from vesa (default=vesa)");
2529module_param(sync, int, 0);
2530MODULE_PARM_DESC(sync, "Sync polarity, overrides sync from vesa (default=vesa)");
2531module_param(depth, int, 0);
2532MODULE_PARM_DESC(depth, "Color depth (0=text,8,15,16,24,32) (default=vesa)");
2533module_param(maxclk, int, 0);
2534MODULE_PARM_DESC(maxclk, "Startup maximal clock, 0-999MHz, 1000-999999kHz, 1000000-INF Hz");
2535module_param(fh, int, 0);
2536MODULE_PARM_DESC(fh, "Startup horizontal frequency, 0-999kHz, 1000-INF Hz");
2537module_param(fv, int, 0);
2538MODULE_PARM_DESC(fv, "Startup vertical frequency, 0-INF Hz\n"
2539"You should specify \"fv:max_monitor_vsync,fh:max_monitor_hsync,maxclk:max_monitor_dotclock\"\n");
2540module_param(grayscale, int, 0);
2541MODULE_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)");
2542module_param(cross4MB, int, 0);
2543MODULE_PARM_DESC(cross4MB, "Specifies that 4MB boundary can be in middle of line. (default=autodetected)");
2544module_param(dfp, int, 0);
2545MODULE_PARM_DESC(dfp, "Specifies whether to use digital flat panel interface of G200/G400 (0 or 1) (default=0)");
2546module_param(dfp_type, int, 0);
2547MODULE_PARM_DESC(dfp_type, "Specifies DFP interface type (0 to 255) (default=read from hardware)");
2548module_param_string(outputs, outputs, sizeof(outputs), 0);
2549MODULE_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)");
2550#ifdef CONFIG_PPC_PMAC
2551module_param_named(vmode, default_vmode, int, 0);
2552MODULE_PARM_DESC(vmode, "Specify the vmode mode number that should be used (640x480 default)");
2553module_param_named(cmode, default_cmode, int, 0);
2554MODULE_PARM_DESC(cmode, "Specify the video depth that should be used (8bit default)");
2555#endif
2556
2557int __init init_module(void){
2558
2559        DBG(__FUNCTION__)
2560
2561        if (disabled)
2562                return -ENXIO;
2563
2564        if (depth == 0)
2565                depth = RSText;
2566        else if (depth == 4)
2567                depth = RS4bpp;
2568        else if (depth == 8)
2569                depth = RS8bpp;
2570        else if (depth == 15)
2571                depth = RS15bpp;
2572        else if (depth == 16)
2573                depth = RS16bpp;
2574        else if (depth == 24)
2575                depth = RS24bpp;
2576        else if (depth == 32)
2577                depth = RS32bpp;
2578        else if (depth != -1) {
2579                printk(KERN_ERR "matroxfb: depth %d is not supported, using default\n", depth);
2580                depth = -1;
2581        }
2582        matrox_init();
2583        /* never return failure; user can hotplug matrox later... */
2584        return 0;
2585}
2586#endif  /* MODULE */
2587
2588module_exit(matrox_done);
2589EXPORT_SYMBOL(matroxfb_register_driver);
2590EXPORT_SYMBOL(matroxfb_unregister_driver);
2591EXPORT_SYMBOL(matroxfb_wait_for_sync);
2592EXPORT_SYMBOL(matroxfb_enable_irq);
2593
2594/*
2595 * Overrides for Emacs so that we follow Linus's tabbing style.
2596 * ---------------------------------------------------------------------------
2597 * Local variables:
2598 * c-basic-offset: 8
2599 * End:
2600 */
2601
2602