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(struct matrox_fb_info *minfo, unsigned int pos)
 158{
 159        struct matroxfb_dh_fb_info *info = minfo->crtc2.info;
 160
 161        /* Make sure that displays are compatible */
 162        if (info && (info->fbcon.var.bits_per_pixel == minfo->fbcon.var.bits_per_pixel)
 163                 && (info->fbcon.var.xres_virtual == minfo->fbcon.var.xres_virtual)
 164                 && (info->fbcon.var.green.length == minfo->fbcon.var.green.length)
 165                 ) {
 166                switch (minfo->fbcon.var.bits_per_pixel) {
 167                        case 16:
 168                        case 32:
 169                                pos = pos * 8;
 170                                if (info->interlaced) {
 171                                        mga_outl(0x3C2C, pos);
 172                                        mga_outl(0x3C28, pos + minfo->fbcon.var.xres_virtual * minfo->fbcon.var.bits_per_pixel / 8);
 173                                } else {
 174                                        mga_outl(0x3C28, pos);
 175                                }
 176                                break;
 177                }
 178        }
 179}
 180
 181static void matroxfb_crtc1_panpos(struct matrox_fb_info *minfo)
 182{
 183        if (minfo->crtc1.panpos >= 0) {
 184                unsigned long flags;
 185                int panpos;
 186
 187                matroxfb_DAC_lock_irqsave(flags);
 188                panpos = minfo->crtc1.panpos;
 189                if (panpos >= 0) {
 190                        unsigned int extvga_reg;
 191
 192                        minfo->crtc1.panpos = -1; /* No update pending anymore */
 193                        extvga_reg = mga_inb(M_EXTVGA_INDEX);
 194                        mga_setr(M_EXTVGA_INDEX, 0x00, panpos);
 195                        if (extvga_reg != 0x00) {
 196                                mga_outb(M_EXTVGA_INDEX, extvga_reg);
 197                        }
 198                }
 199                matroxfb_DAC_unlock_irqrestore(flags);
 200        }
 201}
 202
 203static irqreturn_t matrox_irq(int irq, void *dev_id)
 204{
 205        u_int32_t status;
 206        int handled = 0;
 207        struct matrox_fb_info *minfo = dev_id;
 208
 209        status = mga_inl(M_STATUS);
 210
 211        if (status & 0x20) {
 212                mga_outl(M_ICLEAR, 0x20);
 213                minfo->crtc1.vsync.cnt++;
 214                matroxfb_crtc1_panpos(minfo);
 215                wake_up_interruptible(&minfo->crtc1.vsync.wait);
 216                handled = 1;
 217        }
 218        if (status & 0x200) {
 219                mga_outl(M_ICLEAR, 0x200);
 220                minfo->crtc2.vsync.cnt++;
 221                wake_up_interruptible(&minfo->crtc2.vsync.wait);
 222                handled = 1;
 223        }
 224        return IRQ_RETVAL(handled);
 225}
 226
 227int matroxfb_enable_irq(struct matrox_fb_info *minfo, int reenable)
 228{
 229        u_int32_t bm;
 230
 231        if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400)
 232                bm = 0x220;
 233        else
 234                bm = 0x020;
 235
 236        if (!test_and_set_bit(0, &minfo->irq_flags)) {
 237                if (request_irq(minfo->pcidev->irq, matrox_irq,
 238                                IRQF_SHARED, "matroxfb", minfo)) {
 239                        clear_bit(0, &minfo->irq_flags);
 240                        return -EINVAL;
 241                }
 242                /* Clear any pending field interrupts */
 243                mga_outl(M_ICLEAR, bm);
 244                mga_outl(M_IEN, mga_inl(M_IEN) | bm);
 245        } else if (reenable) {
 246                u_int32_t ien;
 247
 248                ien = mga_inl(M_IEN);
 249                if ((ien & bm) != bm) {
 250                        printk(KERN_DEBUG "matroxfb: someone disabled IRQ [%08X]\n", ien);
 251                        mga_outl(M_IEN, ien | bm);
 252                }
 253        }
 254        return 0;
 255}
 256
 257static void matroxfb_disable_irq(struct matrox_fb_info *minfo)
 258{
 259        if (test_and_clear_bit(0, &minfo->irq_flags)) {
 260                /* Flush pending pan-at-vbl request... */
 261                matroxfb_crtc1_panpos(minfo);
 262                if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400)
 263                        mga_outl(M_IEN, mga_inl(M_IEN) & ~0x220);
 264                else
 265                        mga_outl(M_IEN, mga_inl(M_IEN) & ~0x20);
 266                free_irq(minfo->pcidev->irq, minfo);
 267        }
 268}
 269
 270int matroxfb_wait_for_sync(struct matrox_fb_info *minfo, u_int32_t crtc)
 271{
 272        struct matrox_vsync *vs;
 273        unsigned int cnt;
 274        int ret;
 275
 276        switch (crtc) {
 277                case 0:
 278                        vs = &minfo->crtc1.vsync;
 279                        break;
 280                case 1:
 281                        if (minfo->devflags.accelerator != FB_ACCEL_MATROX_MGAG400) {
 282                                return -ENODEV;
 283                        }
 284                        vs = &minfo->crtc2.vsync;
 285                        break;
 286                default:
 287                        return -ENODEV;
 288        }
 289        ret = matroxfb_enable_irq(minfo, 0);
 290        if (ret) {
 291                return ret;
 292        }
 293
 294        cnt = vs->cnt;
 295        ret = wait_event_interruptible_timeout(vs->wait, cnt != vs->cnt, HZ/10);
 296        if (ret < 0) {
 297                return ret;
 298        }
 299        if (ret == 0) {
 300                matroxfb_enable_irq(minfo, 1);
 301                return -ETIMEDOUT;
 302        }
 303        return 0;
 304}
 305
 306/* --------------------------------------------------------------------- */
 307
 308static void matrox_pan_var(struct matrox_fb_info *minfo,
 309                           struct fb_var_screeninfo *var)
 310{
 311        unsigned int pos;
 312        unsigned short p0, p1, p2;
 313        unsigned int p3;
 314        int vbl;
 315        unsigned long flags;
 316
 317        CRITFLAGS
 318
 319        DBG(__func__)
 320
 321        if (minfo->dead)
 322                return;
 323
 324        minfo->fbcon.var.xoffset = var->xoffset;
 325        minfo->fbcon.var.yoffset = var->yoffset;
 326        pos = (minfo->fbcon.var.yoffset * minfo->fbcon.var.xres_virtual + minfo->fbcon.var.xoffset) * minfo->curr.final_bppShift / 32;
 327        pos += minfo->curr.ydstorg.chunks;
 328        p0 = minfo->hw.CRTC[0x0D] = pos & 0xFF;
 329        p1 = minfo->hw.CRTC[0x0C] = (pos & 0xFF00) >> 8;
 330        p2 = minfo->hw.CRTCEXT[0] = (minfo->hw.CRTCEXT[0] & 0xB0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
 331        p3 = minfo->hw.CRTCEXT[8] = pos >> 21;
 332
 333        /* FB_ACTIVATE_VBL and we can acquire interrupts? Honor FB_ACTIVATE_VBL then... */
 334        vbl = (var->activate & FB_ACTIVATE_VBL) && (matroxfb_enable_irq(minfo, 0) == 0);
 335
 336        CRITBEGIN
 337
 338        matroxfb_DAC_lock_irqsave(flags);
 339        mga_setr(M_CRTC_INDEX, 0x0D, p0);
 340        mga_setr(M_CRTC_INDEX, 0x0C, p1);
 341        if (minfo->devflags.support32MB)
 342                mga_setr(M_EXTVGA_INDEX, 0x08, p3);
 343        if (vbl) {
 344                minfo->crtc1.panpos = p2;
 345        } else {
 346                /* Abort any pending change */
 347                minfo->crtc1.panpos = -1;
 348                mga_setr(M_EXTVGA_INDEX, 0x00, p2);
 349        }
 350        matroxfb_DAC_unlock_irqrestore(flags);
 351
 352        update_crtc2(minfo, pos);
 353
 354        CRITEND
 355}
 356
 357static void matroxfb_remove(struct matrox_fb_info *minfo, int dummy)
 358{
 359        /* Currently we are holding big kernel lock on all dead & usecount updates.
 360         * Destroy everything after all users release it. Especially do not unregister
 361         * framebuffer and iounmap memory, neither fbmem nor fbcon-cfb* does not check
 362         * for device unplugged when in use.
 363         * In future we should point mmio.vbase & video.vbase somewhere where we can
 364         * write data without causing too much damage...
 365         */
 366
 367        minfo->dead = 1;
 368        if (minfo->usecount) {
 369                /* destroy it later */
 370                return;
 371        }
 372        matroxfb_unregister_device(minfo);
 373        unregister_framebuffer(&minfo->fbcon);
 374        matroxfb_g450_shutdown(minfo);
 375#ifdef CONFIG_MTRR
 376        if (minfo->mtrr.vram_valid)
 377                mtrr_del(minfo->mtrr.vram, minfo->video.base, minfo->video.len);
 378#endif
 379        mga_iounmap(minfo->mmio.vbase);
 380        mga_iounmap(minfo->video.vbase);
 381        release_mem_region(minfo->video.base, minfo->video.len_maximum);
 382        release_mem_region(minfo->mmio.base, 16384);
 383        kfree(minfo);
 384}
 385
 386        /*
 387         * Open/Release the frame buffer device
 388         */
 389
 390static int matroxfb_open(struct fb_info *info, int user)
 391{
 392        struct matrox_fb_info *minfo = info2minfo(info);
 393
 394        DBG_LOOP(__func__)
 395
 396        if (minfo->dead) {
 397                return -ENXIO;
 398        }
 399        minfo->usecount++;
 400        if (user) {
 401                minfo->userusecount++;
 402        }
 403        return(0);
 404}
 405
 406static int matroxfb_release(struct fb_info *info, int user)
 407{
 408        struct matrox_fb_info *minfo = info2minfo(info);
 409
 410        DBG_LOOP(__func__)
 411
 412        if (user) {
 413                if (0 == --minfo->userusecount) {
 414                        matroxfb_disable_irq(minfo);
 415                }
 416        }
 417        if (!(--minfo->usecount) && minfo->dead) {
 418                matroxfb_remove(minfo, 0);
 419        }
 420        return(0);
 421}
 422
 423static int matroxfb_pan_display(struct fb_var_screeninfo *var,
 424                struct fb_info* info) {
 425        struct matrox_fb_info *minfo = info2minfo(info);
 426
 427        DBG(__func__)
 428
 429        matrox_pan_var(minfo, var);
 430        return 0;
 431}
 432
 433static int matroxfb_get_final_bppShift(const struct matrox_fb_info *minfo,
 434                                       int bpp)
 435{
 436        int bppshft2;
 437
 438        DBG(__func__)
 439
 440        bppshft2 = bpp;
 441        if (!bppshft2) {
 442                return 8;
 443        }
 444        if (isInterleave(minfo))
 445                bppshft2 >>= 1;
 446        if (minfo->devflags.video64bits)
 447                bppshft2 >>= 1;
 448        return bppshft2;
 449}
 450
 451static int matroxfb_test_and_set_rounding(const struct matrox_fb_info *minfo,
 452                                          int xres, int bpp)
 453{
 454        int over;
 455        int rounding;
 456
 457        DBG(__func__)
 458
 459        switch (bpp) {
 460                case 0:         return xres;
 461                case 4:         rounding = 128;
 462                                break;
 463                case 8:         rounding = 64;  /* doc says 64; 32 is OK for G400 */
 464                                break;
 465                case 16:        rounding = 32;
 466                                break;
 467                case 24:        rounding = 64;  /* doc says 64; 32 is OK for G400 */
 468                                break;
 469                default:        rounding = 16;
 470                                /* on G400, 16 really does not work */
 471                                if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400)
 472                                        rounding = 32;
 473                                break;
 474        }
 475        if (isInterleave(minfo)) {
 476                rounding *= 2;
 477        }
 478        over = xres % rounding;
 479        if (over)
 480                xres += rounding-over;
 481        return xres;
 482}
 483
 484static int matroxfb_pitch_adjust(const struct matrox_fb_info *minfo, int xres,
 485                                 int bpp)
 486{
 487        const int* width;
 488        int xres_new;
 489
 490        DBG(__func__)
 491
 492        if (!bpp) return xres;
 493
 494        width = minfo->capable.vxres;
 495
 496        if (minfo->devflags.precise_width) {
 497                while (*width) {
 498                        if ((*width >= xres) && (matroxfb_test_and_set_rounding(minfo, *width, bpp) == *width)) {
 499                                break;
 500                        }
 501                        width++;
 502                }
 503                xres_new = *width;
 504        } else {
 505                xres_new = matroxfb_test_and_set_rounding(minfo, xres, bpp);
 506        }
 507        return xres_new;
 508}
 509
 510static int matroxfb_get_cmap_len(struct fb_var_screeninfo *var) {
 511
 512        DBG(__func__)
 513
 514        switch (var->bits_per_pixel) {
 515                case 4:
 516                        return 16;      /* pseudocolor... 16 entries HW palette */
 517                case 8:
 518                        return 256;     /* pseudocolor... 256 entries HW palette */
 519                case 16:
 520                        return 16;      /* directcolor... 16 entries SW palette */
 521                                        /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 522                case 24:
 523                        return 16;      /* directcolor... 16 entries SW palette */
 524                                        /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 525                case 32:
 526                        return 16;      /* directcolor... 16 entries SW palette */
 527                                        /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 528        }
 529        return 16;      /* return something reasonable... or panic()? */
 530}
 531
 532static int matroxfb_decode_var(const struct matrox_fb_info *minfo,
 533                               struct fb_var_screeninfo *var, int *visual,
 534                               int *video_cmap_len, unsigned int* ydstorg)
 535{
 536        struct RGBT {
 537                unsigned char bpp;
 538                struct {
 539                        unsigned char offset,
 540                                      length;
 541                } red,
 542                  green,
 543                  blue,
 544                  transp;
 545                signed char visual;
 546        };
 547        static const struct RGBT table[]= {
 548                { 8,{ 0,8},{0,8},{0,8},{ 0,0},MX_VISUAL_PSEUDOCOLOR},
 549                {15,{10,5},{5,5},{0,5},{15,1},MX_VISUAL_DIRECTCOLOR},
 550                {16,{11,5},{5,6},{0,5},{ 0,0},MX_VISUAL_DIRECTCOLOR},
 551                {24,{16,8},{8,8},{0,8},{ 0,0},MX_VISUAL_DIRECTCOLOR},
 552                {32,{16,8},{8,8},{0,8},{24,8},MX_VISUAL_DIRECTCOLOR}
 553        };
 554        struct RGBT const *rgbt;
 555        unsigned int bpp = var->bits_per_pixel;
 556        unsigned int vramlen;
 557        unsigned int memlen;
 558
 559        DBG(__func__)
 560
 561        switch (bpp) {
 562                case 4:  if (!minfo->capable.cfb4) return -EINVAL;
 563                         break;
 564                case 8:  break;
 565                case 16: break;
 566                case 24: break;
 567                case 32: break;
 568                default: return -EINVAL;
 569        }
 570        *ydstorg = 0;
 571        vramlen = minfo->video.len_usable;
 572        if (var->yres_virtual < var->yres)
 573                var->yres_virtual = var->yres;
 574        if (var->xres_virtual < var->xres)
 575                var->xres_virtual = var->xres;
 576
 577        var->xres_virtual = matroxfb_pitch_adjust(minfo, var->xres_virtual, bpp);
 578        memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
 579        if (memlen > vramlen) {
 580                var->yres_virtual = vramlen * 8 / (var->xres_virtual * bpp);
 581                memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
 582        }
 583        /* There is hardware bug that no line can cross 4MB boundary */
 584        /* give up for CFB24, it is impossible to easy workaround it */
 585        /* for other try to do something */
 586        if (!minfo->capable.cross4MB && (memlen > 0x400000)) {
 587                if (bpp == 24) {
 588                        /* sorry */
 589                } else {
 590                        unsigned int linelen;
 591                        unsigned int m1 = linelen = var->xres_virtual * bpp / 8;
 592                        unsigned int m2 = PAGE_SIZE;    /* or 128 if you do not need PAGE ALIGNED address */
 593                        unsigned int max_yres;
 594
 595                        while (m1) {
 596                                int t;
 597
 598                                while (m2 >= m1) m2 -= m1;
 599                                t = m1;
 600                                m1 = m2;
 601                                m2 = t;
 602                        }
 603                        m2 = linelen * PAGE_SIZE / m2;
 604                        *ydstorg = m2 = 0x400000 % m2;
 605                        max_yres = (vramlen - m2) / linelen;
 606                        if (var->yres_virtual > max_yres)
 607                                var->yres_virtual = max_yres;
 608                }
 609        }
 610        /* YDSTLEN contains only signed 16bit value */
 611        if (var->yres_virtual > 32767)
 612                var->yres_virtual = 32767;
 613        /* we must round yres/xres down, we already rounded y/xres_virtual up
 614           if it was possible. We should return -EINVAL, but I disagree */
 615        if (var->yres_virtual < var->yres)
 616                var->yres = var->yres_virtual;
 617        if (var->xres_virtual < var->xres)
 618                var->xres = var->xres_virtual;
 619        if (var->xoffset + var->xres > var->xres_virtual)
 620                var->xoffset = var->xres_virtual - var->xres;
 621        if (var->yoffset + var->yres > var->yres_virtual)
 622                var->yoffset = var->yres_virtual - var->yres;
 623
 624        if (bpp == 16 && var->green.length == 5) {
 625                bpp--; /* an artifical value - 15 */
 626        }
 627
 628        for (rgbt = table; rgbt->bpp < bpp; rgbt++);
 629#define SETCLR(clr)\
 630        var->clr.offset = rgbt->clr.offset;\
 631        var->clr.length = rgbt->clr.length
 632        SETCLR(red);
 633        SETCLR(green);
 634        SETCLR(blue);
 635        SETCLR(transp);
 636#undef  SETCLR
 637        *visual = rgbt->visual;
 638
 639        if (bpp > 8)
 640                dprintk("matroxfb: truecolor: "
 641                        "size=%d:%d:%d:%d, shift=%d:%d:%d:%d\n",
 642                        var->transp.length, var->red.length, var->green.length, var->blue.length,
 643                        var->transp.offset, var->red.offset, var->green.offset, var->blue.offset);
 644
 645        *video_cmap_len = matroxfb_get_cmap_len(var);
 646        dprintk(KERN_INFO "requested %d*%d/%dbpp (%d*%d)\n", var->xres, var->yres, var->bits_per_pixel,
 647                                var->xres_virtual, var->yres_virtual);
 648        return 0;
 649}
 650
 651static int matroxfb_setcolreg(unsigned regno, unsigned red, unsigned green,
 652                              unsigned blue, unsigned transp,
 653                              struct fb_info *fb_info)
 654{
 655        struct matrox_fb_info* minfo = container_of(fb_info, struct matrox_fb_info, fbcon);
 656
 657        DBG(__func__)
 658
 659        /*
 660         *  Set a single color register. The values supplied are
 661         *  already rounded down to the hardware's capabilities
 662         *  (according to the entries in the `var' structure). Return
 663         *  != 0 for invalid regno.
 664         */
 665
 666        if (regno >= minfo->curr.cmap_len)
 667                return 1;
 668
 669        if (minfo->fbcon.var.grayscale) {
 670                /* gray = 0.30*R + 0.59*G + 0.11*B */
 671                red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
 672        }
 673
 674        red = CNVT_TOHW(red, minfo->fbcon.var.red.length);
 675        green = CNVT_TOHW(green, minfo->fbcon.var.green.length);
 676        blue = CNVT_TOHW(blue, minfo->fbcon.var.blue.length);
 677        transp = CNVT_TOHW(transp, minfo->fbcon.var.transp.length);
 678
 679        switch (minfo->fbcon.var.bits_per_pixel) {
 680        case 4:
 681        case 8:
 682                mga_outb(M_DAC_REG, regno);
 683                mga_outb(M_DAC_VAL, red);
 684                mga_outb(M_DAC_VAL, green);
 685                mga_outb(M_DAC_VAL, blue);
 686                break;
 687        case 16:
 688                if (regno >= 16)
 689                        break;
 690                {
 691                        u_int16_t col =
 692                                (red << minfo->fbcon.var.red.offset)     |
 693                                (green << minfo->fbcon.var.green.offset) |
 694                                (blue << minfo->fbcon.var.blue.offset)   |
 695                                (transp << minfo->fbcon.var.transp.offset); /* for 1:5:5:5 */
 696                        minfo->cmap[regno] = col | (col << 16);
 697                }
 698                break;
 699        case 24:
 700        case 32:
 701                if (regno >= 16)
 702                        break;
 703                minfo->cmap[regno] =
 704                        (red   << minfo->fbcon.var.red.offset)   |
 705                        (green << minfo->fbcon.var.green.offset) |
 706                        (blue  << minfo->fbcon.var.blue.offset)  |
 707                        (transp << minfo->fbcon.var.transp.offset);     /* 8:8:8:8 */
 708                break;
 709        }
 710        return 0;
 711}
 712
 713static void matroxfb_init_fix(struct matrox_fb_info *minfo)
 714{
 715        struct fb_fix_screeninfo *fix = &minfo->fbcon.fix;
 716        DBG(__func__)
 717
 718        strcpy(fix->id,"MATROX");
 719
 720        fix->xpanstep = 8;      /* 8 for 8bpp, 4 for 16bpp, 2 for 32bpp */
 721        fix->ypanstep = 1;
 722        fix->ywrapstep = 0;
 723        fix->mmio_start = minfo->mmio.base;
 724        fix->mmio_len = minfo->mmio.len;
 725        fix->accel = minfo->devflags.accelerator;
 726}
 727
 728static void matroxfb_update_fix(struct matrox_fb_info *minfo)
 729{
 730        struct fb_fix_screeninfo *fix = &minfo->fbcon.fix;
 731        DBG(__func__)
 732
 733        mutex_lock(&minfo->fbcon.mm_lock);
 734        fix->smem_start = minfo->video.base + minfo->curr.ydstorg.bytes;
 735        fix->smem_len = minfo->video.len_usable - minfo->curr.ydstorg.bytes;
 736        mutex_unlock(&minfo->fbcon.mm_lock);
 737}
 738
 739static int matroxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 740{
 741        int err;
 742        int visual;
 743        int cmap_len;
 744        unsigned int ydstorg;
 745        struct matrox_fb_info *minfo = info2minfo(info);
 746
 747        if (minfo->dead) {
 748                return -ENXIO;
 749        }
 750        if ((err = matroxfb_decode_var(minfo, var, &visual, &cmap_len, &ydstorg)) != 0)
 751                return err;
 752        return 0;
 753}
 754
 755static int matroxfb_set_par(struct fb_info *info)
 756{
 757        int err;
 758        int visual;
 759        int cmap_len;
 760        unsigned int ydstorg;
 761        struct fb_var_screeninfo *var;
 762        struct matrox_fb_info *minfo = info2minfo(info);
 763
 764        DBG(__func__)
 765
 766        if (minfo->dead) {
 767                return -ENXIO;
 768        }
 769
 770        var = &info->var;
 771        if ((err = matroxfb_decode_var(minfo, var, &visual, &cmap_len, &ydstorg)) != 0)
 772                return err;
 773        minfo->fbcon.screen_base = vaddr_va(minfo->video.vbase) + ydstorg;
 774        matroxfb_update_fix(minfo);
 775        minfo->fbcon.fix.visual = visual;
 776        minfo->fbcon.fix.type = FB_TYPE_PACKED_PIXELS;
 777        minfo->fbcon.fix.type_aux = 0;
 778        minfo->fbcon.fix.line_length = (var->xres_virtual * var->bits_per_pixel) >> 3;
 779        {
 780                unsigned int pos;
 781
 782                minfo->curr.cmap_len = cmap_len;
 783                ydstorg += minfo->devflags.ydstorg;
 784                minfo->curr.ydstorg.bytes = ydstorg;
 785                minfo->curr.ydstorg.chunks = ydstorg >> (isInterleave(minfo) ? 3 : 2);
 786                if (var->bits_per_pixel == 4)
 787                        minfo->curr.ydstorg.pixels = ydstorg;
 788                else
 789                        minfo->curr.ydstorg.pixels = (ydstorg * 8) / var->bits_per_pixel;
 790                minfo->curr.final_bppShift = matroxfb_get_final_bppShift(minfo, var->bits_per_pixel);
 791                {       struct my_timming mt;
 792                        struct matrox_hw_state* hw;
 793                        int out;
 794
 795                        matroxfb_var2my(var, &mt);
 796                        mt.crtc = MATROXFB_SRC_CRTC1;
 797                        /* CRTC1 delays */
 798                        switch (var->bits_per_pixel) {
 799                                case  0:        mt.delay = 31 + 0; break;
 800                                case 16:        mt.delay = 21 + 8; break;
 801                                case 24:        mt.delay = 17 + 8; break;
 802                                case 32:        mt.delay = 16 + 8; break;
 803                                default:        mt.delay = 31 + 8; break;
 804                        }
 805
 806                        hw = &minfo->hw;
 807
 808                        down_read(&minfo->altout.lock);
 809                        for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 810                                if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 &&
 811                                    minfo->outputs[out].output->compute) {
 812                                        minfo->outputs[out].output->compute(minfo->outputs[out].data, &mt);
 813                                }
 814                        }
 815                        up_read(&minfo->altout.lock);
 816                        minfo->crtc1.pixclock = mt.pixclock;
 817                        minfo->crtc1.mnp = mt.mnp;
 818                        minfo->hw_switch->init(minfo, &mt);
 819                        pos = (var->yoffset * var->xres_virtual + var->xoffset) * minfo->curr.final_bppShift / 32;
 820                        pos += minfo->curr.ydstorg.chunks;
 821
 822                        hw->CRTC[0x0D] = pos & 0xFF;
 823                        hw->CRTC[0x0C] = (pos & 0xFF00) >> 8;
 824                        hw->CRTCEXT[0] = (hw->CRTCEXT[0] & 0xF0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
 825                        hw->CRTCEXT[8] = pos >> 21;
 826                        minfo->hw_switch->restore(minfo);
 827                        update_crtc2(minfo, pos);
 828                        down_read(&minfo->altout.lock);
 829                        for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 830                                if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 &&
 831                                    minfo->outputs[out].output->program) {
 832                                        minfo->outputs[out].output->program(minfo->outputs[out].data);
 833                                }
 834                        }
 835                        for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 836                                if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 &&
 837                                    minfo->outputs[out].output->start) {
 838                                        minfo->outputs[out].output->start(minfo->outputs[out].data);
 839                                }
 840                        }
 841                        up_read(&minfo->altout.lock);
 842                        matrox_cfbX_init(minfo);
 843                }
 844        }
 845        minfo->initialized = 1;
 846        return 0;
 847}
 848
 849static int matroxfb_get_vblank(struct matrox_fb_info *minfo,
 850                               struct fb_vblank *vblank)
 851{
 852        unsigned int sts1;
 853
 854        matroxfb_enable_irq(minfo, 0);
 855        memset(vblank, 0, sizeof(*vblank));
 856        vblank->flags = FB_VBLANK_HAVE_VCOUNT | FB_VBLANK_HAVE_VSYNC |
 857                        FB_VBLANK_HAVE_VBLANK | FB_VBLANK_HAVE_HBLANK;
 858        sts1 = mga_inb(M_INSTS1);
 859        vblank->vcount = mga_inl(M_VCOUNT);
 860        /* BTW, on my PIII/450 with G400, reading M_INSTS1
 861           byte makes this call about 12% slower (1.70 vs. 2.05 us
 862           per ioctl()) */
 863        if (sts1 & 1)
 864                vblank->flags |= FB_VBLANK_HBLANKING;
 865        if (sts1 & 8)
 866                vblank->flags |= FB_VBLANK_VSYNCING;
 867        if (vblank->vcount >= minfo->fbcon.var.yres)
 868                vblank->flags |= FB_VBLANK_VBLANKING;
 869        if (test_bit(0, &minfo->irq_flags)) {
 870                vblank->flags |= FB_VBLANK_HAVE_COUNT;
 871                /* Only one writer, aligned int value...
 872                   it should work without lock and without atomic_t */
 873                vblank->count = minfo->crtc1.vsync.cnt;
 874        }
 875        return 0;
 876}
 877
 878static struct matrox_altout panellink_output = {
 879        .name    = "Panellink output",
 880};
 881
 882static int matroxfb_ioctl(struct fb_info *info,
 883                          unsigned int cmd, unsigned long arg)
 884{
 885        void __user *argp = (void __user *)arg;
 886        struct matrox_fb_info *minfo = info2minfo(info);
 887
 888        DBG(__func__)
 889
 890        if (minfo->dead) {
 891                return -ENXIO;
 892        }
 893
 894        switch (cmd) {
 895                case FBIOGET_VBLANK:
 896                        {
 897                                struct fb_vblank vblank;
 898                                int err;
 899
 900                                err = matroxfb_get_vblank(minfo, &vblank);
 901                                if (err)
 902                                        return err;
 903                                if (copy_to_user(argp, &vblank, sizeof(vblank)))
 904                                        return -EFAULT;
 905                                return 0;
 906                        }
 907                case FBIO_WAITFORVSYNC:
 908                        {
 909                                u_int32_t crt;
 910
 911                                if (get_user(crt, (u_int32_t __user *)arg))
 912                                        return -EFAULT;
 913
 914                                return matroxfb_wait_for_sync(minfo, crt);
 915                        }
 916                case MATROXFB_SET_OUTPUT_MODE:
 917                        {
 918                                struct matroxioc_output_mode mom;
 919                                struct matrox_altout *oproc;
 920                                int val;
 921
 922                                if (copy_from_user(&mom, argp, sizeof(mom)))
 923                                        return -EFAULT;
 924                                if (mom.output >= MATROXFB_MAX_OUTPUTS)
 925                                        return -ENXIO;
 926                                down_read(&minfo->altout.lock);
 927                                oproc = minfo->outputs[mom.output].output;
 928                                if (!oproc) {
 929                                        val = -ENXIO;
 930                                } else if (!oproc->verifymode) {
 931                                        if (mom.mode == MATROXFB_OUTPUT_MODE_MONITOR) {
 932                                                val = 0;
 933                                        } else {
 934                                                val = -EINVAL;
 935                                        }
 936                                } else {
 937                                        val = oproc->verifymode(minfo->outputs[mom.output].data, mom.mode);
 938                                }
 939                                if (!val) {
 940                                        if (minfo->outputs[mom.output].mode != mom.mode) {
 941                                                minfo->outputs[mom.output].mode = mom.mode;
 942                                                val = 1;
 943                                        }
 944                                }
 945                                up_read(&minfo->altout.lock);
 946                                if (val != 1)
 947                                        return val;
 948                                switch (minfo->outputs[mom.output].src) {
 949                                        case MATROXFB_SRC_CRTC1:
 950                                                matroxfb_set_par(info);
 951                                                break;
 952                                        case MATROXFB_SRC_CRTC2:
 953                                                {
 954                                                        struct matroxfb_dh_fb_info* crtc2;
 955
 956                                                        down_read(&minfo->crtc2.lock);
 957                                                        crtc2 = minfo->crtc2.info;
 958                                                        if (crtc2)
 959                                                                crtc2->fbcon.fbops->fb_set_par(&crtc2->fbcon);
 960                                                        up_read(&minfo->crtc2.lock);
 961                                                }
 962                                                break;
 963                                }
 964                                return 0;
 965                        }
 966                case MATROXFB_GET_OUTPUT_MODE:
 967                        {
 968                                struct matroxioc_output_mode mom;
 969                                struct matrox_altout *oproc;
 970                                int val;
 971
 972                                if (copy_from_user(&mom, argp, sizeof(mom)))
 973                                        return -EFAULT;
 974                                if (mom.output >= MATROXFB_MAX_OUTPUTS)
 975                                        return -ENXIO;
 976                                down_read(&minfo->altout.lock);
 977                                oproc = minfo->outputs[mom.output].output;
 978                                if (!oproc) {
 979                                        val = -ENXIO;
 980                                } else {
 981                                        mom.mode = minfo->outputs[mom.output].mode;
 982                                        val = 0;
 983                                }
 984                                up_read(&minfo->altout.lock);
 985                                if (val)
 986                                        return val;
 987                                if (copy_to_user(argp, &mom, sizeof(mom)))
 988                                        return -EFAULT;
 989                                return 0;
 990                        }
 991                case MATROXFB_SET_OUTPUT_CONNECTION:
 992                        {
 993                                u_int32_t tmp;
 994                                int i;
 995                                int changes;
 996
 997                                if (copy_from_user(&tmp, argp, sizeof(tmp)))
 998                                        return -EFAULT;
 999                                for (i = 0; i < 32; i++) {
1000                                        if (tmp & (1 << i)) {
1001                                                if (i >= MATROXFB_MAX_OUTPUTS)
1002                                                        return -ENXIO;
1003                                                if (!minfo->outputs[i].output)
1004                                                        return -ENXIO;
1005                                                switch (minfo->outputs[i].src) {
1006                                                        case MATROXFB_SRC_NONE:
1007                                                        case MATROXFB_SRC_CRTC1:
1008                                                                break;
1009                                                        default:
1010                                                                return -EBUSY;
1011                                                }
1012                                        }
1013                                }
1014                                if (minfo->devflags.panellink) {
1015                                        if (tmp & MATROXFB_OUTPUT_CONN_DFP) {
1016                                                if (tmp & MATROXFB_OUTPUT_CONN_SECONDARY)
1017                                                        return -EINVAL;
1018                                                for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1019                                                        if (minfo->outputs[i].src == MATROXFB_SRC_CRTC2) {
1020                                                                return -EBUSY;
1021                                                        }
1022                                                }
1023                                        }
1024                                }
1025                                changes = 0;
1026                                for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1027                                        if (tmp & (1 << i)) {
1028                                                if (minfo->outputs[i].src != MATROXFB_SRC_CRTC1) {
1029                                                        changes = 1;
1030                                                        minfo->outputs[i].src = MATROXFB_SRC_CRTC1;
1031                                                }
1032                                        } else if (minfo->outputs[i].src == MATROXFB_SRC_CRTC1) {
1033                                                changes = 1;
1034                                                minfo->outputs[i].src = MATROXFB_SRC_NONE;
1035                                        }
1036                                }
1037                                if (!changes)
1038                                        return 0;
1039                                matroxfb_set_par(info);
1040                                return 0;
1041                        }
1042                case MATROXFB_GET_OUTPUT_CONNECTION:
1043                        {
1044                                u_int32_t conn = 0;
1045                                int i;
1046
1047                                for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1048                                        if (minfo->outputs[i].src == MATROXFB_SRC_CRTC1) {
1049                                                conn |= 1 << i;
1050                                        }
1051                                }
1052                                if (put_user(conn, (u_int32_t __user *)arg))
1053                                        return -EFAULT;
1054                                return 0;
1055                        }
1056                case MATROXFB_GET_AVAILABLE_OUTPUTS:
1057                        {
1058                                u_int32_t conn = 0;
1059                                int i;
1060
1061                                for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1062                                        if (minfo->outputs[i].output) {
1063                                                switch (minfo->outputs[i].src) {
1064                                                        case MATROXFB_SRC_NONE:
1065                                                        case MATROXFB_SRC_CRTC1:
1066                                                                conn |= 1 << i;
1067                                                                break;
1068                                                }
1069                                        }
1070                                }
1071                                if (minfo->devflags.panellink) {
1072                                        if (conn & MATROXFB_OUTPUT_CONN_DFP)
1073                                                conn &= ~MATROXFB_OUTPUT_CONN_SECONDARY;
1074                                        if (conn & MATROXFB_OUTPUT_CONN_SECONDARY)
1075                                                conn &= ~MATROXFB_OUTPUT_CONN_DFP;
1076                                }
1077                                if (put_user(conn, (u_int32_t __user *)arg))
1078                                        return -EFAULT;
1079                                return 0;
1080                        }
1081                case MATROXFB_GET_ALL_OUTPUTS:
1082                        {
1083                                u_int32_t conn = 0;
1084                                int i;
1085
1086                                for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1087                                        if (minfo->outputs[i].output) {
1088                                                conn |= 1 << i;
1089                                        }
1090                                }
1091                                if (put_user(conn, (u_int32_t __user *)arg))
1092                                        return -EFAULT;
1093                                return 0;
1094                        }
1095                case VIDIOC_QUERYCAP:
1096                        {
1097                                struct v4l2_capability r;
1098
1099                                memset(&r, 0, sizeof(r));
1100                                strcpy(r.driver, "matroxfb");
1101                                strcpy(r.card, "Matrox");
1102                                sprintf(r.bus_info, "PCI:%s", pci_name(minfo->pcidev));
1103                                r.version = KERNEL_VERSION(1,0,0);
1104                                r.capabilities = V4L2_CAP_VIDEO_OUTPUT;
1105                                if (copy_to_user(argp, &r, sizeof(r)))
1106                                        return -EFAULT;
1107                                return 0;
1108
1109                        }
1110                case VIDIOC_QUERYCTRL:
1111                        {
1112                                struct v4l2_queryctrl qctrl;
1113                                int err;
1114
1115                                if (copy_from_user(&qctrl, argp, sizeof(qctrl)))
1116                                        return -EFAULT;
1117
1118                                down_read(&minfo->altout.lock);
1119                                if (!minfo->outputs[1].output) {
1120                                        err = -ENXIO;
1121                                } else if (minfo->outputs[1].output->getqueryctrl) {
1122                                        err = minfo->outputs[1].output->getqueryctrl(minfo->outputs[1].data, &qctrl);
1123                                } else {
1124                                        err = -EINVAL;
1125                                }
1126                                up_read(&minfo->altout.lock);
1127                                if (err >= 0 &&
1128                                    copy_to_user(argp, &qctrl, sizeof(qctrl)))
1129                                        return -EFAULT;
1130                                return err;
1131                        }
1132                case VIDIOC_G_CTRL:
1133                        {
1134                                struct v4l2_control ctrl;
1135                                int err;
1136
1137                                if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
1138                                        return -EFAULT;
1139
1140                                down_read(&minfo->altout.lock);
1141                                if (!minfo->outputs[1].output) {
1142                                        err = -ENXIO;
1143                                } else if (minfo->outputs[1].output->getctrl) {
1144                                        err = minfo->outputs[1].output->getctrl(minfo->outputs[1].data, &ctrl);
1145                                } else {
1146                                        err = -EINVAL;
1147                                }
1148                                up_read(&minfo->altout.lock);
1149                                if (err >= 0 &&
1150                                    copy_to_user(argp, &ctrl, sizeof(ctrl)))
1151                                        return -EFAULT;
1152                                return err;
1153                        }
1154                case VIDIOC_S_CTRL_OLD:
1155                case VIDIOC_S_CTRL:
1156                        {
1157                                struct v4l2_control ctrl;
1158                                int err;
1159
1160                                if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
1161                                        return -EFAULT;
1162
1163                                down_read(&minfo->altout.lock);
1164                                if (!minfo->outputs[1].output) {
1165                                        err = -ENXIO;
1166                                } else if (minfo->outputs[1].output->setctrl) {
1167                                        err = minfo->outputs[1].output->setctrl(minfo->outputs[1].data, &ctrl);
1168                                } else {
1169                                        err = -EINVAL;
1170                                }
1171                                up_read(&minfo->altout.lock);
1172                                return err;
1173                        }
1174        }
1175        return -ENOTTY;
1176}
1177
1178/* 0 unblank, 1 blank, 2 no vsync, 3 no hsync, 4 off */
1179
1180static int matroxfb_blank(int blank, struct fb_info *info)
1181{
1182        int seq;
1183        int crtc;
1184        CRITFLAGS
1185        struct matrox_fb_info *minfo = info2minfo(info);
1186
1187        DBG(__func__)
1188
1189        if (minfo->dead)
1190                return 1;
1191
1192        switch (blank) {
1193        case FB_BLANK_NORMAL:  seq = 0x20; crtc = 0x00; break; /* works ??? */
1194        case FB_BLANK_VSYNC_SUSPEND:  seq = 0x20; crtc = 0x10; break;
1195        case FB_BLANK_HSYNC_SUSPEND:  seq = 0x20; crtc = 0x20; break;
1196        case FB_BLANK_POWERDOWN:  seq = 0x20; crtc = 0x30; break;
1197        default: seq = 0x00; crtc = 0x00; break;
1198        }
1199
1200        CRITBEGIN
1201
1202        mga_outb(M_SEQ_INDEX, 1);
1203        mga_outb(M_SEQ_DATA, (mga_inb(M_SEQ_DATA) & ~0x20) | seq);
1204        mga_outb(M_EXTVGA_INDEX, 1);
1205        mga_outb(M_EXTVGA_DATA, (mga_inb(M_EXTVGA_DATA) & ~0x30) | crtc);
1206
1207        CRITEND
1208        return 0;
1209}
1210
1211static struct fb_ops matroxfb_ops = {
1212        .owner =        THIS_MODULE,
1213        .fb_open =      matroxfb_open,
1214        .fb_release =   matroxfb_release,
1215        .fb_check_var = matroxfb_check_var,
1216        .fb_set_par =   matroxfb_set_par,
1217        .fb_setcolreg = matroxfb_setcolreg,
1218        .fb_pan_display =matroxfb_pan_display,
1219        .fb_blank =     matroxfb_blank,
1220        .fb_ioctl =     matroxfb_ioctl,
1221/*      .fb_fillrect =  <set by matrox_cfbX_init>, */
1222/*      .fb_copyarea =  <set by matrox_cfbX_init>, */
1223/*      .fb_imageblit = <set by matrox_cfbX_init>, */
1224/*      .fb_cursor =    <set by matrox_cfbX_init>, */
1225};
1226
1227#define RSDepth(X)      (((X) >> 8) & 0x0F)
1228#define RS8bpp          0x1
1229#define RS15bpp         0x2
1230#define RS16bpp         0x3
1231#define RS32bpp         0x4
1232#define RS4bpp          0x5
1233#define RS24bpp         0x6
1234#define RSText          0x7
1235#define RSText8         0x8
1236/* 9-F */
1237static struct { struct fb_bitfield red, green, blue, transp; int bits_per_pixel; } colors[] = {
1238        { {  0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, {  0, 0, 0},  8 },
1239        { { 10, 5, 0}, { 5, 5, 0}, { 0, 5, 0}, { 15, 1, 0}, 16 },
1240        { { 11, 5, 0}, { 5, 6, 0}, { 0, 5, 0}, {  0, 0, 0}, 16 },
1241        { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, { 24, 8, 0}, 32 },
1242        { {  0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, {  0, 0, 0},  4 },
1243        { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, {  0, 0, 0}, 24 },
1244        { {  0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, {  0, 0, 0},  0 },       /* textmode with (default) VGA8x16 */
1245        { {  0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, {  0, 0, 0},  0 },       /* textmode hardwired to VGA8x8 */
1246};
1247
1248/* initialized by setup, see explanation at end of file (search for MODULE_PARM_DESC) */
1249static unsigned int mem;                /* "matrox:mem:xxxxxM" */
1250static int option_precise_width = 1;    /* cannot be changed, option_precise_width==0 must imply noaccel */
1251static int inv24;                       /* "matrox:inv24" */
1252static int cross4MB = -1;               /* "matrox:cross4MB" */
1253static int disabled;                    /* "matrox:disabled" */
1254static int noaccel;                     /* "matrox:noaccel" */
1255static int nopan;                       /* "matrox:nopan" */
1256static int no_pci_retry;                /* "matrox:nopciretry" */
1257static int novga;                       /* "matrox:novga" */
1258static int nobios;                      /* "matrox:nobios" */
1259static int noinit = 1;                  /* "matrox:init" */
1260static int inverse;                     /* "matrox:inverse" */
1261static int sgram;                       /* "matrox:sgram" */
1262#ifdef CONFIG_MTRR
1263static int mtrr = 1;                    /* "matrox:nomtrr" */
1264#endif
1265static int grayscale;                   /* "matrox:grayscale" */
1266static int dev = -1;                    /* "matrox:dev:xxxxx" */
1267static unsigned int vesa = ~0;          /* "matrox:vesa:xxxxx" */
1268static int depth = -1;                  /* "matrox:depth:xxxxx" */
1269static unsigned int xres;               /* "matrox:xres:xxxxx" */
1270static unsigned int yres;               /* "matrox:yres:xxxxx" */
1271static unsigned int upper = ~0;         /* "matrox:upper:xxxxx" */
1272static unsigned int lower = ~0;         /* "matrox:lower:xxxxx" */
1273static unsigned int vslen;              /* "matrox:vslen:xxxxx" */
1274static unsigned int left = ~0;          /* "matrox:left:xxxxx" */
1275static unsigned int right = ~0;         /* "matrox:right:xxxxx" */
1276static unsigned int hslen;              /* "matrox:hslen:xxxxx" */
1277static unsigned int pixclock;           /* "matrox:pixclock:xxxxx" */
1278static int sync = -1;                   /* "matrox:sync:xxxxx" */
1279static unsigned int fv;                 /* "matrox:fv:xxxxx" */
1280static unsigned int fh;                 /* "matrox:fh:xxxxxk" */
1281static unsigned int maxclk;             /* "matrox:maxclk:xxxxM" */
1282static int dfp;                         /* "matrox:dfp */
1283static int dfp_type = -1;               /* "matrox:dfp:xxx */
1284static int memtype = -1;                /* "matrox:memtype:xxx" */
1285static char outputs[8];                 /* "matrox:outputs:xxx" */
1286
1287#ifndef MODULE
1288static char videomode[64];              /* "matrox:mode:xxxxx" or "matrox:xxxxx" */
1289#endif
1290
1291static int matroxfb_getmemory(struct matrox_fb_info *minfo,
1292                              unsigned int maxSize, unsigned int *realSize)
1293{
1294        vaddr_t vm;
1295        unsigned int offs;
1296        unsigned int offs2;
1297        unsigned char orig;
1298        unsigned char bytes[32];
1299        unsigned char* tmp;
1300
1301        DBG(__func__)
1302
1303        vm = minfo->video.vbase;
1304        maxSize &= ~0x1FFFFF;   /* must be X*2MB (really it must be 2 or X*4MB) */
1305        /* at least 2MB */
1306        if (maxSize < 0x0200000) return 0;
1307        if (maxSize > 0x2000000) maxSize = 0x2000000;
1308
1309        mga_outb(M_EXTVGA_INDEX, 0x03);
1310        orig = mga_inb(M_EXTVGA_DATA);
1311        mga_outb(M_EXTVGA_DATA, orig | 0x80);
1312
1313        tmp = bytes;
1314        for (offs = 0x100000; offs < maxSize; offs += 0x200000)
1315                *tmp++ = mga_readb(vm, offs);
1316        for (offs = 0x100000; offs < maxSize; offs += 0x200000)
1317                mga_writeb(vm, offs, 0x02);
1318        mga_outb(M_CACHEFLUSH, 0x00);
1319        for (offs = 0x100000; offs < maxSize; offs += 0x200000) {
1320                if (mga_readb(vm, offs) != 0x02)
1321                        break;
1322                mga_writeb(vm, offs, mga_readb(vm, offs) - 0x02);
1323                if (mga_readb(vm, offs))
1324                        break;
1325        }
1326        tmp = bytes;
1327        for (offs2 = 0x100000; offs2 < maxSize; offs2 += 0x200000)
1328                mga_writeb(vm, offs2, *tmp++);
1329
1330        mga_outb(M_EXTVGA_INDEX, 0x03);
1331        mga_outb(M_EXTVGA_DATA, orig);
1332
1333        *realSize = offs - 0x100000;
1334#ifdef CONFIG_FB_MATROX_MILLENIUM
1335        minfo->interleave = !(!isMillenium(minfo) || ((offs - 0x100000) & 0x3FFFFF));
1336#endif
1337        return 1;
1338}
1339
1340struct video_board {
1341        int maxvram;
1342        int maxdisplayable;
1343        int accelID;
1344        struct matrox_switch* lowlevel;
1345                 };
1346#ifdef CONFIG_FB_MATROX_MILLENIUM
1347static struct video_board vbMillennium          = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGA2064W,      &matrox_millennium};
1348static struct video_board vbMillennium2         = {0x1000000, 0x0800000, FB_ACCEL_MATROX_MGA2164W,      &matrox_millennium};
1349static struct video_board vbMillennium2A        = {0x1000000, 0x0800000, FB_ACCEL_MATROX_MGA2164W_AGP,  &matrox_millennium};
1350#endif  /* CONFIG_FB_MATROX_MILLENIUM */
1351#ifdef CONFIG_FB_MATROX_MYSTIQUE
1352static struct video_board vbMystique            = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGA1064SG,     &matrox_mystique};
1353#endif  /* CONFIG_FB_MATROX_MYSTIQUE */
1354#ifdef CONFIG_FB_MATROX_G
1355static struct video_board vbG100                = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGAG100,       &matrox_G100};
1356static struct video_board vbG200                = {0x1000000, 0x1000000, FB_ACCEL_MATROX_MGAG200,       &matrox_G100};
1357/* from doc it looks like that accelerator can draw only to low 16MB :-( Direct accesses & displaying are OK for
1358   whole 32MB */
1359static struct video_board vbG400                = {0x2000000, 0x1000000, FB_ACCEL_MATROX_MGAG400,       &matrox_G100};
1360#endif
1361
1362#define DEVF_VIDEO64BIT         0x0001
1363#define DEVF_SWAPS              0x0002
1364#define DEVF_SRCORG             0x0004
1365#define DEVF_DUALHEAD           0x0008
1366#define DEVF_CROSS4MB           0x0010
1367#define DEVF_TEXT4B             0x0020
1368/* #define DEVF_recycled        0x0040  */
1369/* #define DEVF_recycled        0x0080  */
1370#define DEVF_SUPPORT32MB        0x0100
1371#define DEVF_ANY_VXRES          0x0200
1372#define DEVF_TEXT16B            0x0400
1373#define DEVF_CRTC2              0x0800
1374#define DEVF_MAVEN_CAPABLE      0x1000
1375#define DEVF_PANELLINK_CAPABLE  0x2000
1376#define DEVF_G450DAC            0x4000
1377
1378#define DEVF_GCORE      (DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB)
1379#define DEVF_G2CORE     (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_MAVEN_CAPABLE | DEVF_PANELLINK_CAPABLE | DEVF_SRCORG | DEVF_DUALHEAD)
1380#define DEVF_G100       (DEVF_GCORE) /* no doc, no vxres... */
1381#define DEVF_G200       (DEVF_G2CORE)
1382#define DEVF_G400       (DEVF_G2CORE | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2)
1383/* if you'll find how to drive DFP... */
1384#define DEVF_G450       (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2 | DEVF_G450DAC | DEVF_SRCORG | DEVF_DUALHEAD)
1385#define DEVF_G550       (DEVF_G450)
1386
1387static struct board {
1388        unsigned short vendor, device, rev, svid, sid;
1389        unsigned int flags;
1390        unsigned int maxclk;
1391        enum mga_chip chip;
1392        struct video_board* base;
1393        const char* name;
1394                } dev_list[] = {
1395#ifdef CONFIG_FB_MATROX_MILLENIUM
1396        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL,       0xFF,
1397                0,                      0,
1398                DEVF_TEXT4B,
1399                230000,
1400                MGA_2064,
1401                &vbMillennium,
1402                "Millennium (PCI)"},
1403        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2,     0xFF,
1404                0,                      0,
1405                DEVF_SWAPS,
1406                220000,
1407                MGA_2164,
1408                &vbMillennium2,
1409                "Millennium II (PCI)"},
1410        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2_AGP, 0xFF,
1411                0,                      0,
1412                DEVF_SWAPS,
1413                250000,
1414                MGA_2164,
1415                &vbMillennium2A,
1416                "Millennium II (AGP)"},
1417#endif
1418#ifdef CONFIG_FB_MATROX_MYSTIQUE
1419        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,       0x02,
1420                0,                      0,
1421                DEVF_VIDEO64BIT | DEVF_CROSS4MB,
1422                180000,
1423                MGA_1064,
1424                &vbMystique,
1425                "Mystique (PCI)"},
1426        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,       0xFF,
1427                0,                      0,
1428                DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB,
1429                220000,
1430                MGA_1164,
1431                &vbMystique,
1432                "Mystique 220 (PCI)"},
1433        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS_AGP,   0x02,
1434                0,                      0,
1435                DEVF_VIDEO64BIT | DEVF_CROSS4MB,
1436                180000,
1437                MGA_1064,
1438                &vbMystique,
1439                "Mystique (AGP)"},
1440        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS_AGP,   0xFF,
1441                0,                      0,
1442                DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB,
1443                220000,
1444                MGA_1164,
1445                &vbMystique,
1446                "Mystique 220 (AGP)"},
1447#endif
1448#ifdef CONFIG_FB_MATROX_G
1449        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_MM,   0xFF,
1450                0,                      0,
1451                DEVF_G100,
1452                230000,
1453                MGA_G100,
1454                &vbG100,
1455                "MGA-G100 (PCI)"},
1456        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_AGP,  0xFF,
1457                0,                      0,
1458                DEVF_G100,
1459                230000,
1460                MGA_G100,
1461                &vbG100,
1462                "MGA-G100 (AGP)"},
1463        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200EV_PCI,        0xFF,
1464                0,                      0,
1465                DEVF_G200,
1466                230000,
1467                MGA_G200,
1468                &vbG200,
1469                "MGA-G200eV (PCI)"},
1470        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_PCI,  0xFF,
1471                0,                      0,
1472                DEVF_G200,
1473                250000,
1474                MGA_G200,
1475                &vbG200,
1476                "MGA-G200 (PCI)"},
1477        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1478                PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_GENERIC,
1479                DEVF_G200,
1480                220000,
1481                MGA_G200,
1482                &vbG200,
1483                "MGA-G200 (AGP)"},
1484        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1485                PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MYSTIQUE_G200_AGP,
1486                DEVF_G200,
1487                230000,
1488                MGA_G200,
1489                &vbG200,
1490                "Mystique G200 (AGP)"},
1491        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1492                PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MILLENIUM_G200_AGP,
1493                DEVF_G200,
1494                250000,
1495                MGA_G200,
1496                &vbG200,
1497                "Millennium G200 (AGP)"},
1498        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1499                PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MARVEL_G200_AGP,
1500                DEVF_G200,
1501                230000,
1502                MGA_G200,
1503                &vbG200,
1504                "Marvel G200 (AGP)"},
1505        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1506                PCI_SS_VENDOR_ID_SIEMENS_NIXDORF,       PCI_SS_ID_SIEMENS_MGA_G200_AGP,
1507                DEVF_G200,
1508                230000,
1509                MGA_G200,
1510                &vbG200,
1511                "MGA-G200 (AGP)"},
1512        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1513                0,                      0,
1514                DEVF_G200,
1515                230000,
1516                MGA_G200,
1517                &vbG200,
1518                "G200 (AGP)"},
1519        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0x80,
1520                PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MILLENNIUM_G400_MAX_AGP,
1521                DEVF_G400,
1522                360000,
1523                MGA_G400,
1524                &vbG400,
1525                "Millennium G400 MAX (AGP)"},
1526        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0x80,
1527                0,                      0,
1528                DEVF_G400,
1529                300000,
1530                MGA_G400,
1531                &vbG400,
1532                "G400 (AGP)"},
1533        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0xFF,
1534                0,                      0,
1535                DEVF_G450,
1536                360000,
1537                MGA_G450,
1538                &vbG400,
1539                "G450"},
1540        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G550,      0xFF,
1541                0,                      0,
1542                DEVF_G550,
1543                360000,
1544                MGA_G550,
1545                &vbG400,
1546                "G550"},
1547#endif
1548        {0,                     0,                              0xFF,
1549                0,                      0,
1550                0,
1551                0,
1552                0,
1553                NULL,
1554                NULL}};
1555
1556#ifndef MODULE
1557static struct fb_videomode defaultmode = {
1558        /* 640x480 @ 60Hz, 31.5 kHz */
1559        NULL, 60, 640, 480, 39721, 40, 24, 32, 11, 96, 2,
1560        0, FB_VMODE_NONINTERLACED
1561};
1562#endif /* !MODULE */
1563
1564static int hotplug = 0;
1565
1566static void setDefaultOutputs(struct matrox_fb_info *minfo)
1567{
1568        unsigned int i;
1569        const char* ptr;
1570
1571        minfo->outputs[0].default_src = MATROXFB_SRC_CRTC1;
1572        if (minfo->devflags.g450dac) {
1573                minfo->outputs[1].default_src = MATROXFB_SRC_CRTC1;
1574                minfo->outputs[2].default_src = MATROXFB_SRC_CRTC1;
1575        } else if (dfp) {
1576                minfo->outputs[2].default_src = MATROXFB_SRC_CRTC1;
1577        }
1578        ptr = outputs;
1579        for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1580                char c = *ptr++;
1581
1582                if (c == 0) {
1583                        break;
1584                }
1585                if (c == '0') {
1586                        minfo->outputs[i].default_src = MATROXFB_SRC_NONE;
1587                } else if (c == '1') {
1588                        minfo->outputs[i].default_src = MATROXFB_SRC_CRTC1;
1589                } else if (c == '2' && minfo->devflags.crtc2) {
1590                        minfo->outputs[i].default_src = MATROXFB_SRC_CRTC2;
1591                } else {
1592                        printk(KERN_ERR "matroxfb: Unknown outputs setting\n");
1593                        break;
1594                }
1595        }
1596        /* Nullify this option for subsequent adapters */
1597        outputs[0] = 0;
1598}
1599
1600static int initMatrox2(struct matrox_fb_info *minfo, struct board *b)
1601{
1602        unsigned long ctrlptr_phys = 0;
1603        unsigned long video_base_phys = 0;
1604        unsigned int memsize;
1605        int err;
1606
1607        static struct pci_device_id intel_82437[] = {
1608                { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82437) },
1609                { },
1610        };
1611
1612        DBG(__func__)
1613
1614        /* set default values... */
1615        vesafb_defined.accel_flags = FB_ACCELF_TEXT;
1616
1617        minfo->hw_switch = b->base->lowlevel;
1618        minfo->devflags.accelerator = b->base->accelID;
1619        minfo->max_pixel_clock = b->maxclk;
1620
1621        printk(KERN_INFO "matroxfb: Matrox %s detected\n", b->name);
1622        minfo->capable.plnwt = 1;
1623        minfo->chip = b->chip;
1624        minfo->capable.srcorg = b->flags & DEVF_SRCORG;
1625        minfo->devflags.video64bits = b->flags & DEVF_VIDEO64BIT;
1626        if (b->flags & DEVF_TEXT4B) {
1627                minfo->devflags.vgastep = 4;
1628                minfo->devflags.textmode = 4;
1629                minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP16;
1630        } else if (b->flags & DEVF_TEXT16B) {
1631                minfo->devflags.vgastep = 16;
1632                minfo->devflags.textmode = 1;
1633                minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP16;
1634        } else {
1635                minfo->devflags.vgastep = 8;
1636                minfo->devflags.textmode = 1;
1637                minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP8;
1638        }
1639        minfo->devflags.support32MB = (b->flags & DEVF_SUPPORT32MB) != 0;
1640        minfo->devflags.precise_width = !(b->flags & DEVF_ANY_VXRES);
1641        minfo->devflags.crtc2 = (b->flags & DEVF_CRTC2) != 0;
1642        minfo->devflags.maven_capable = (b->flags & DEVF_MAVEN_CAPABLE) != 0;
1643        minfo->devflags.dualhead = (b->flags & DEVF_DUALHEAD) != 0;
1644        minfo->devflags.dfp_type = dfp_type;
1645        minfo->devflags.g450dac = (b->flags & DEVF_G450DAC) != 0;
1646        minfo->devflags.textstep = minfo->devflags.vgastep * minfo->devflags.textmode;
1647        minfo->devflags.textvram = 65536 / minfo->devflags.textmode;
1648        setDefaultOutputs(minfo);
1649        if (b->flags & DEVF_PANELLINK_CAPABLE) {
1650                minfo->outputs[2].data = minfo;
1651                minfo->outputs[2].output = &panellink_output;
1652                minfo->outputs[2].src = minfo->outputs[2].default_src;
1653                minfo->outputs[2].mode = MATROXFB_OUTPUT_MODE_MONITOR;
1654                minfo->devflags.panellink = 1;
1655        }
1656
1657        if (minfo->capable.cross4MB < 0)
1658                minfo->capable.cross4MB = b->flags & DEVF_CROSS4MB;
1659        if (b->flags & DEVF_SWAPS) {
1660                ctrlptr_phys = pci_resource_start(minfo->pcidev, 1);
1661                video_base_phys = pci_resource_start(minfo->pcidev, 0);
1662                minfo->devflags.fbResource = PCI_BASE_ADDRESS_0;
1663        } else {
1664                ctrlptr_phys = pci_resource_start(minfo->pcidev, 0);
1665                video_base_phys = pci_resource_start(minfo->pcidev, 1);
1666                minfo->devflags.fbResource = PCI_BASE_ADDRESS_1;
1667        }
1668        err = -EINVAL;
1669        if (!ctrlptr_phys) {
1670                printk(KERN_ERR "matroxfb: control registers are not available, matroxfb disabled\n");
1671                goto fail;
1672        }
1673        if (!video_base_phys) {
1674                printk(KERN_ERR "matroxfb: video RAM is not available in PCI address space, matroxfb disabled\n");
1675                goto fail;
1676        }
1677        memsize = b->base->maxvram;
1678        if (!request_mem_region(ctrlptr_phys, 16384, "matroxfb MMIO")) {
1679                goto fail;
1680        }
1681        if (!request_mem_region(video_base_phys, memsize, "matroxfb FB")) {
1682                goto failCtrlMR;
1683        }
1684        minfo->video.len_maximum = memsize;
1685        /* convert mem (autodetect k, M) */
1686        if (mem < 1024) mem *= 1024;
1687        if (mem < 0x00100000) mem *= 1024;
1688
1689        if (mem && (mem < memsize))
1690                memsize = mem;
1691        err = -ENOMEM;
1692        if (mga_ioremap(ctrlptr_phys, 16384, MGA_IOREMAP_MMIO, &minfo->mmio.vbase)) {
1693                printk(KERN_ERR "matroxfb: cannot ioremap(%lX, 16384), matroxfb disabled\n", ctrlptr_phys);
1694                goto failVideoMR;
1695        }
1696        minfo->mmio.base = ctrlptr_phys;
1697        minfo->mmio.len = 16384;
1698        minfo->video.base = video_base_phys;
1699        if (mga_ioremap(video_base_phys, memsize, MGA_IOREMAP_FB, &minfo->video.vbase)) {
1700                printk(KERN_ERR "matroxfb: cannot ioremap(%lX, %d), matroxfb disabled\n",
1701                        video_base_phys, memsize);
1702                goto failCtrlIO;
1703        }
1704        {
1705                u_int32_t cmd;
1706                u_int32_t mga_option;
1707
1708                pci_read_config_dword(minfo->pcidev, PCI_OPTION_REG, &mga_option);
1709                pci_read_config_dword(minfo->pcidev, PCI_COMMAND, &cmd);
1710                mga_option &= 0x7FFFFFFF; /* clear BIG_ENDIAN */
1711                mga_option |= MX_OPTION_BSWAP;
1712                /* disable palette snooping */
1713                cmd &= ~PCI_COMMAND_VGA_PALETTE;
1714                if (pci_dev_present(intel_82437)) {
1715                        if (!(mga_option & 0x20000000) && !minfo->devflags.nopciretry) {
1716                                printk(KERN_WARNING "matroxfb: Disabling PCI retries due to i82437 present\n");
1717                        }
1718                        mga_option |= 0x20000000;
1719                        minfo->devflags.nopciretry = 1;
1720                }
1721                pci_write_config_dword(minfo->pcidev, PCI_COMMAND, cmd);
1722                pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, mga_option);
1723                minfo->hw.MXoptionReg = mga_option;
1724
1725                /* select non-DMA memory for PCI_MGA_DATA, otherwise dump of PCI cfg space can lock PCI bus */
1726                /* maybe preinit() candidate, but it is same... for all devices... at this time... */
1727                pci_write_config_dword(minfo->pcidev, PCI_MGA_INDEX, 0x00003C00);
1728        }
1729
1730        err = -ENXIO;
1731        matroxfb_read_pins(minfo);
1732        if (minfo->hw_switch->preinit(minfo)) {
1733                goto failVideoIO;
1734        }
1735
1736        err = -ENOMEM;
1737        if (!matroxfb_getmemory(minfo, memsize, &minfo->video.len) || !minfo->video.len) {
1738                printk(KERN_ERR "matroxfb: cannot determine memory size\n");
1739                goto failVideoIO;
1740        }
1741        minfo->devflags.ydstorg = 0;
1742
1743        minfo->video.base = video_base_phys;
1744        minfo->video.len_usable = minfo->video.len;
1745        if (minfo->video.len_usable > b->base->maxdisplayable)
1746                minfo->video.len_usable = b->base->maxdisplayable;
1747#ifdef CONFIG_MTRR
1748        if (mtrr) {
1749                minfo->mtrr.vram = mtrr_add(video_base_phys, minfo->video.len, MTRR_TYPE_WRCOMB, 1);
1750                minfo->mtrr.vram_valid = 1;
1751                printk(KERN_INFO "matroxfb: MTRR's turned on\n");
1752        }
1753#endif  /* CONFIG_MTRR */
1754
1755        if (!minfo->devflags.novga)
1756                request_region(0x3C0, 32, "matrox");
1757        matroxfb_g450_connect(minfo);
1758        minfo->hw_switch->reset(minfo);
1759
1760        minfo->fbcon.monspecs.hfmin = 0;
1761        minfo->fbcon.monspecs.hfmax = fh;
1762        minfo->fbcon.monspecs.vfmin = 0;
1763        minfo->fbcon.monspecs.vfmax = fv;
1764        minfo->fbcon.monspecs.dpms = 0; /* TBD */
1765
1766        /* static settings */
1767        vesafb_defined.red = colors[depth-1].red;
1768        vesafb_defined.green = colors[depth-1].green;
1769        vesafb_defined.blue = colors[depth-1].blue;
1770        vesafb_defined.bits_per_pixel = colors[depth-1].bits_per_pixel;
1771        vesafb_defined.grayscale = grayscale;
1772        vesafb_defined.vmode = 0;
1773        if (noaccel)
1774                vesafb_defined.accel_flags &= ~FB_ACCELF_TEXT;
1775
1776        minfo->fbops = matroxfb_ops;
1777        minfo->fbcon.fbops = &minfo->fbops;
1778        minfo->fbcon.pseudo_palette = minfo->cmap;
1779        /* after __init time we are like module... no logo */
1780        minfo->fbcon.flags = hotplug ? FBINFO_FLAG_MODULE : FBINFO_FLAG_DEFAULT;
1781        minfo->fbcon.flags |= FBINFO_PARTIAL_PAN_OK |    /* Prefer panning for scroll under MC viewer/edit */
1782                                      FBINFO_HWACCEL_COPYAREA |  /* We have hw-assisted bmove */
1783                                      FBINFO_HWACCEL_FILLRECT |  /* And fillrect */
1784                                      FBINFO_HWACCEL_IMAGEBLIT | /* And imageblit */
1785                                      FBINFO_HWACCEL_XPAN |      /* And we support both horizontal */
1786                                      FBINFO_HWACCEL_YPAN;       /* And vertical panning */
1787        minfo->video.len_usable &= PAGE_MASK;
1788        fb_alloc_cmap(&minfo->fbcon.cmap, 256, 1);
1789
1790#ifndef MODULE
1791        /* mode database is marked __init!!! */
1792        if (!hotplug) {
1793                fb_find_mode(&vesafb_defined, &minfo->fbcon, videomode[0] ? videomode : NULL,
1794                        NULL, 0, &defaultmode, vesafb_defined.bits_per_pixel);
1795        }
1796#endif /* !MODULE */
1797
1798        /* mode modifiers */
1799        if (hslen)
1800                vesafb_defined.hsync_len = hslen;
1801        if (vslen)
1802                vesafb_defined.vsync_len = vslen;
1803        if (left != ~0)
1804                vesafb_defined.left_margin = left;
1805        if (right != ~0)
1806                vesafb_defined.right_margin = right;
1807        if (upper != ~0)
1808                vesafb_defined.upper_margin = upper;
1809        if (lower != ~0)
1810                vesafb_defined.lower_margin = lower;
1811        if (xres)
1812                vesafb_defined.xres = xres;
1813        if (yres)
1814                vesafb_defined.yres = yres;
1815        if (sync != -1)
1816                vesafb_defined.sync = sync;
1817        else if (vesafb_defined.sync == ~0) {
1818                vesafb_defined.sync = 0;
1819                if (yres < 400)
1820                        vesafb_defined.sync |= FB_SYNC_HOR_HIGH_ACT;
1821                else if (yres < 480)
1822                        vesafb_defined.sync |= FB_SYNC_VERT_HIGH_ACT;
1823        }
1824
1825        /* fv, fh, maxclk limits was specified */
1826        {
1827                unsigned int tmp;
1828
1829                if (fv) {
1830                        tmp = fv * (vesafb_defined.upper_margin + vesafb_defined.yres
1831                                  + vesafb_defined.lower_margin + vesafb_defined.vsync_len);
1832                        if ((tmp < fh) || (fh == 0)) fh = tmp;
1833                }
1834                if (fh) {
1835                        tmp = fh * (vesafb_defined.left_margin + vesafb_defined.xres
1836                                  + vesafb_defined.right_margin + vesafb_defined.hsync_len);
1837                        if ((tmp < maxclk) || (maxclk == 0)) maxclk = tmp;
1838                }
1839                tmp = (maxclk + 499) / 500;
1840                if (tmp) {
1841                        tmp = (2000000000 + tmp) / tmp;
1842                        if (tmp > pixclock) pixclock = tmp;
1843                }
1844        }
1845        if (pixclock) {
1846                if (pixclock < 2000)            /* > 500MHz */
1847                        pixclock = 4000;        /* 250MHz */
1848                if (pixclock > 1000000)
1849                        pixclock = 1000000;     /* 1MHz */
1850                vesafb_defined.pixclock = pixclock;
1851        }
1852
1853        /* FIXME: Where to move this?! */
1854#if defined(CONFIG_PPC_PMAC)
1855#ifndef MODULE
1856        if (machine_is(powermac)) {
1857                struct fb_var_screeninfo var;
1858                if (default_vmode <= 0 || default_vmode > VMODE_MAX)
1859                        default_vmode = VMODE_640_480_60;
1860#ifdef CONFIG_NVRAM
1861                if (default_cmode == CMODE_NVRAM)
1862                        default_cmode = nvram_read_byte(NV_CMODE);
1863#endif
1864                if (default_cmode < CMODE_8 || default_cmode > CMODE_32)
1865                        default_cmode = CMODE_8;
1866                if (!mac_vmode_to_var(default_vmode, default_cmode, &var)) {
1867                        var.accel_flags = vesafb_defined.accel_flags;
1868                        var.xoffset = var.yoffset = 0;
1869                        /* Note: mac_vmode_to_var() does not set all parameters */
1870                        vesafb_defined = var;
1871                }
1872        }
1873#endif /* !MODULE */
1874#endif /* CONFIG_PPC_PMAC */
1875        vesafb_defined.xres_virtual = vesafb_defined.xres;
1876        if (nopan) {
1877                vesafb_defined.yres_virtual = vesafb_defined.yres;
1878        } else {
1879                vesafb_defined.yres_virtual = 65536; /* large enough to be INF, but small enough
1880                                                        to yres_virtual * xres_virtual < 2^32 */
1881        }
1882        matroxfb_init_fix(minfo);
1883        minfo->fbcon.screen_base = vaddr_va(minfo->video.vbase);
1884        /* Normalize values (namely yres_virtual) */
1885        matroxfb_check_var(&vesafb_defined, &minfo->fbcon);
1886        /* And put it into "current" var. Do NOT program hardware yet, or we'll not take over
1887         * vgacon correctly. fbcon_startup will call fb_set_par for us, WITHOUT check_var,
1888         * and unfortunately it will do it BEFORE vgacon contents is saved, so it won't work
1889         * anyway. But we at least tried... */
1890        minfo->fbcon.var = vesafb_defined;
1891        err = -EINVAL;
1892
1893        printk(KERN_INFO "matroxfb: %dx%dx%dbpp (virtual: %dx%d)\n",
1894                vesafb_defined.xres, vesafb_defined.yres, vesafb_defined.bits_per_pixel,
1895                vesafb_defined.xres_virtual, vesafb_defined.yres_virtual);
1896        printk(KERN_INFO "matroxfb: framebuffer at 0x%lX, mapped to 0x%p, size %d\n",
1897                minfo->video.base, vaddr_va(minfo->video.vbase), minfo->video.len);
1898
1899/* We do not have to set currcon to 0... register_framebuffer do it for us on first console
1900 * and we do not want currcon == 0 for subsequent framebuffers */
1901
1902        minfo->fbcon.device = &minfo->pcidev->dev;
1903        if (register_framebuffer(&minfo->fbcon) < 0) {
1904                goto failVideoIO;
1905        }
1906        printk("fb%d: %s frame buffer device\n",
1907               minfo->fbcon.node, minfo->fbcon.fix.id);
1908
1909        /* there is no console on this fb... but we have to initialize hardware
1910         * until someone tells me what is proper thing to do */
1911        if (!minfo->initialized) {
1912                printk(KERN_INFO "fb%d: initializing hardware\n",
1913                       minfo->fbcon.node);
1914                /* We have to use FB_ACTIVATE_FORCE, as we had to put vesafb_defined to the fbcon.var
1915                 * already before, so register_framebuffer works correctly. */
1916                vesafb_defined.activate |= FB_ACTIVATE_FORCE;
1917                fb_set_var(&minfo->fbcon, &vesafb_defined);
1918        }
1919
1920        return 0;
1921failVideoIO:;
1922        matroxfb_g450_shutdown(minfo);
1923        mga_iounmap(minfo->video.vbase);
1924failCtrlIO:;
1925        mga_iounmap(minfo->mmio.vbase);
1926failVideoMR:;
1927        release_mem_region(video_base_phys, minfo->video.len_maximum);
1928failCtrlMR:;
1929        release_mem_region(ctrlptr_phys, 16384);
1930fail:;
1931        return err;
1932}
1933
1934static LIST_HEAD(matroxfb_list);
1935static LIST_HEAD(matroxfb_driver_list);
1936
1937#define matroxfb_l(x) list_entry(x, struct matrox_fb_info, next_fb)
1938#define matroxfb_driver_l(x) list_entry(x, struct matroxfb_driver, node)
1939int matroxfb_register_driver(struct matroxfb_driver* drv) {
1940        struct matrox_fb_info* minfo;
1941
1942        list_add(&drv->node, &matroxfb_driver_list);
1943        for (minfo = matroxfb_l(matroxfb_list.next);
1944             minfo != matroxfb_l(&matroxfb_list);
1945             minfo = matroxfb_l(minfo->next_fb.next)) {
1946                void* p;
1947
1948                if (minfo->drivers_count == MATROXFB_MAX_FB_DRIVERS)
1949                        continue;
1950                p = drv->probe(minfo);
1951                if (p) {
1952                        minfo->drivers_data[minfo->drivers_count] = p;
1953                        minfo->drivers[minfo->drivers_count++] = drv;
1954                }
1955        }
1956        return 0;
1957}
1958
1959void matroxfb_unregister_driver(struct matroxfb_driver* drv) {
1960        struct matrox_fb_info* minfo;
1961
1962        list_del(&drv->node);
1963        for (minfo = matroxfb_l(matroxfb_list.next);
1964             minfo != matroxfb_l(&matroxfb_list);
1965             minfo = matroxfb_l(minfo->next_fb.next)) {
1966                int i;
1967
1968                for (i = 0; i < minfo->drivers_count; ) {
1969                        if (minfo->drivers[i] == drv) {
1970                                if (drv && drv->remove)
1971                                        drv->remove(minfo, minfo->drivers_data[i]);
1972                                minfo->drivers[i] = minfo->drivers[--minfo->drivers_count];
1973                                minfo->drivers_data[i] = minfo->drivers_data[minfo->drivers_count];
1974                        } else
1975                                i++;
1976                }
1977        }
1978}
1979
1980static void matroxfb_register_device(struct matrox_fb_info* minfo) {
1981        struct matroxfb_driver* drv;
1982        int i = 0;
1983        list_add(&minfo->next_fb, &matroxfb_list);
1984        for (drv = matroxfb_driver_l(matroxfb_driver_list.next);
1985             drv != matroxfb_driver_l(&matroxfb_driver_list);
1986             drv = matroxfb_driver_l(drv->node.next)) {
1987                if (drv && drv->probe) {
1988                        void *p = drv->probe(minfo);
1989                        if (p) {
1990                                minfo->drivers_data[i] = p;
1991                                minfo->drivers[i++] = drv;
1992                                if (i == MATROXFB_MAX_FB_DRIVERS)
1993                                        break;
1994                        }
1995                }
1996        }
1997        minfo->drivers_count = i;
1998}
1999
2000static void matroxfb_unregister_device(struct matrox_fb_info* minfo) {
2001        int i;
2002
2003        list_del(&minfo->next_fb);
2004        for (i = 0; i < minfo->drivers_count; i++) {
2005                struct matroxfb_driver* drv = minfo->drivers[i];
2006
2007                if (drv && drv->remove)
2008                        drv->remove(minfo, minfo->drivers_data[i]);
2009        }
2010}
2011
2012static int matroxfb_probe(struct pci_dev* pdev, const struct pci_device_id* dummy) {
2013        struct board* b;
2014        u_int16_t svid;
2015        u_int16_t sid;
2016        struct matrox_fb_info* minfo;
2017        int err;
2018        u_int32_t cmd;
2019        DBG(__func__)
2020
2021        svid = pdev->subsystem_vendor;
2022        sid = pdev->subsystem_device;
2023        for (b = dev_list; b->vendor; b++) {
2024                if ((b->vendor != pdev->vendor) || (b->device != pdev->device) || (b->rev < pdev->revision)) continue;
2025                if (b->svid)
2026                        if ((b->svid != svid) || (b->sid != sid)) continue;
2027                break;
2028        }
2029        /* not match... */
2030        if (!b->vendor)
2031                return -ENODEV;
2032        if (dev > 0) {
2033                /* not requested one... */
2034                dev--;
2035                return -ENODEV;
2036        }
2037        pci_read_config_dword(pdev, PCI_COMMAND, &cmd);
2038        if (pci_enable_device(pdev)) {
2039                return -1;
2040        }
2041
2042        minfo = kmalloc(sizeof(*minfo), GFP_KERNEL);
2043        if (!minfo)
2044                return -1;
2045        memset(minfo, 0, sizeof(*minfo));
2046
2047        minfo->pcidev = pdev;
2048        minfo->dead = 0;
2049        minfo->usecount = 0;
2050        minfo->userusecount = 0;
2051
2052        pci_set_drvdata(pdev, minfo);
2053        /* DEVFLAGS */
2054        minfo->devflags.memtype = memtype;
2055        if (memtype != -1)
2056                noinit = 0;
2057        if (cmd & PCI_COMMAND_MEMORY) {
2058                minfo->devflags.novga = novga;
2059                minfo->devflags.nobios = nobios;
2060                minfo->devflags.noinit = noinit;
2061                /* subsequent heads always needs initialization and must not enable BIOS */
2062                novga = 1;
2063                nobios = 1;
2064                noinit = 0;
2065        } else {
2066                minfo->devflags.novga = 1;
2067                minfo->devflags.nobios = 1;
2068                minfo->devflags.noinit = 0;
2069        }
2070
2071        minfo->devflags.nopciretry = no_pci_retry;
2072        minfo->devflags.mga_24bpp_fix = inv24;
2073        minfo->devflags.precise_width = option_precise_width;
2074        minfo->devflags.sgram = sgram;
2075        minfo->capable.cross4MB = cross4MB;
2076
2077        spin_lock_init(&minfo->lock.DAC);
2078        spin_lock_init(&minfo->lock.accel);
2079        init_rwsem(&minfo->crtc2.lock);
2080        init_rwsem(&minfo->altout.lock);
2081        mutex_init(&minfo->fbcon.mm_lock);
2082        minfo->irq_flags = 0;
2083        init_waitqueue_head(&minfo->crtc1.vsync.wait);
2084        init_waitqueue_head(&minfo->crtc2.vsync.wait);
2085        minfo->crtc1.panpos = -1;
2086
2087        err = initMatrox2(minfo, b);
2088        if (!err) {
2089                matroxfb_register_device(minfo);
2090                return 0;
2091        }
2092        kfree(minfo);
2093        return -1;
2094}
2095
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(minfo, 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_G200EV_PCI,
2122                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2123        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_PCI,
2124                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2125        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,
2126                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2127        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,
2128                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2129        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G550,
2130                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2131#endif
2132        {0,                     0,
2133                0,              0,              0, 0, 0}
2134};
2135
2136MODULE_DEVICE_TABLE(pci, matroxfb_devices);
2137
2138
2139static struct pci_driver matroxfb_driver = {
2140        .name =         "matroxfb",
2141        .id_table =     matroxfb_devices,
2142        .probe =        matroxfb_probe,
2143        .remove =       pci_remove_matrox,
2144};
2145
2146/* **************************** init-time only **************************** */
2147
2148#define RSResolution(X) ((X) & 0x0F)
2149#define RS640x400       1
2150#define RS640x480       2
2151#define RS800x600       3
2152#define RS1024x768      4
2153#define RS1280x1024     5
2154#define RS1600x1200     6
2155#define RS768x576       7
2156#define RS960x720       8
2157#define RS1152x864      9
2158#define RS1408x1056     10
2159#define RS640x350       11
2160#define RS1056x344      12      /* 132 x 43 text */
2161#define RS1056x400      13      /* 132 x 50 text */
2162#define RS1056x480      14      /* 132 x 60 text */
2163#define RSNoxNo         15
2164/* 10-FF */
2165static struct { int xres, yres, left, right, upper, lower, hslen, vslen, vfreq; } timmings[] __initdata = {
2166        {  640,  400,  48, 16, 39,  8,  96, 2, 70 },
2167        {  640,  480,  48, 16, 33, 10,  96, 2, 60 },
2168        {  800,  600, 144, 24, 28,  8, 112, 6, 60 },
2169        { 1024,  768, 160, 32, 30,  4, 128, 4, 60 },
2170        { 1280, 1024, 224, 32, 32,  4, 136, 4, 60 },
2171        { 1600, 1200, 272, 48, 32,  5, 152, 5, 60 },
2172        {  768,  576, 144, 16, 28,  6, 112, 4, 60 },
2173        {  960,  720, 144, 24, 28,  8, 112, 4, 60 },
2174        { 1152,  864, 192, 32, 30,  4, 128, 4, 60 },
2175        { 1408, 1056, 256, 40, 32,  5, 144, 5, 60 },
2176        {  640,  350,  48, 16, 39,  8,  96, 2, 70 },
2177        { 1056,  344,  96, 24, 59, 44, 160, 2, 70 },
2178        { 1056,  400,  96, 24, 39,  8, 160, 2, 70 },
2179        { 1056,  480,  96, 24, 36, 12, 160, 3, 60 },
2180        {    0,    0,  ~0, ~0, ~0, ~0,   0, 0,  0 }
2181};
2182
2183#define RSCreate(X,Y)   ((X) | ((Y) << 8))
2184static struct { unsigned int vesa; unsigned int info; } *RSptr, vesamap[] __initdata = {
2185/* default must be first */
2186        {    ~0, RSCreate(RSNoxNo,     RS8bpp ) },
2187        { 0x101, RSCreate(RS640x480,   RS8bpp ) },
2188        { 0x100, RSCreate(RS640x400,   RS8bpp ) },
2189        { 0x180, RSCreate(RS768x576,   RS8bpp ) },
2190        { 0x103, RSCreate(RS800x600,   RS8bpp ) },
2191        { 0x188, RSCreate(RS960x720,   RS8bpp ) },
2192        { 0x105, RSCreate(RS1024x768,  RS8bpp ) },
2193        { 0x190, RSCreate(RS1152x864,  RS8bpp ) },
2194        { 0x107, RSCreate(RS1280x1024, RS8bpp ) },
2195        { 0x198, RSCreate(RS1408x1056, RS8bpp ) },
2196        { 0x11C, RSCreate(RS1600x1200, RS8bpp ) },
2197        { 0x110, RSCreate(RS640x480,   RS15bpp) },
2198        { 0x181, RSCreate(RS768x576,   RS15bpp) },
2199        { 0x113, RSCreate(RS800x600,   RS15bpp) },
2200        { 0x189, RSCreate(RS960x720,   RS15bpp) },
2201        { 0x116, RSCreate(RS1024x768,  RS15bpp) },
2202        { 0x191, RSCreate(RS1152x864,  RS15bpp) },
2203        { 0x119, RSCreate(RS1280x1024, RS15bpp) },
2204        { 0x199, RSCreate(RS1408x1056, RS15bpp) },
2205        { 0x11D, RSCreate(RS1600x1200, RS15bpp) },
2206        { 0x111, RSCreate(RS640x480,   RS16bpp) },
2207        { 0x182, RSCreate(RS768x576,   RS16bpp) },
2208        { 0x114, RSCreate(RS800x600,   RS16bpp) },
2209        { 0x18A, RSCreate(RS960x720,   RS16bpp) },
2210        { 0x117, RSCreate(RS1024x768,  RS16bpp) },
2211        { 0x192, RSCreate(RS1152x864,  RS16bpp) },
2212        { 0x11A, RSCreate(RS1280x1024, RS16bpp) },
2213        { 0x19A, RSCreate(RS1408x1056, RS16bpp) },
2214        { 0x11E, RSCreate(RS1600x1200, RS16bpp) },
2215        { 0x1B2, RSCreate(RS640x480,   RS24bpp) },
2216        { 0x184, RSCreate(RS768x576,   RS24bpp) },
2217        { 0x1B5, RSCreate(RS800x600,   RS24bpp) },
2218        { 0x18C, RSCreate(RS960x720,   RS24bpp) },
2219        { 0x1B8, RSCreate(RS1024x768,  RS24bpp) },
2220        { 0x194, RSCreate(RS1152x864,  RS24bpp) },
2221        { 0x1BB, RSCreate(RS1280x1024, RS24bpp) },
2222        { 0x19C, RSCreate(RS1408x1056, RS24bpp) },
2223        { 0x1BF, RSCreate(RS1600x1200, RS24bpp) },
2224        { 0x112, RSCreate(RS640x480,   RS32bpp) },
2225        { 0x183, RSCreate(RS768x576,   RS32bpp) },
2226        { 0x115, RSCreate(RS800x600,   RS32bpp) },
2227        { 0x18B, RSCreate(RS960x720,   RS32bpp) },
2228        { 0x118, RSCreate(RS1024x768,  RS32bpp) },
2229        { 0x193, RSCreate(RS1152x864,  RS32bpp) },
2230        { 0x11B, RSCreate(RS1280x1024, RS32bpp) },
2231        { 0x19B, RSCreate(RS1408x1056, RS32bpp) },
2232        { 0x11F, RSCreate(RS1600x1200, RS32bpp) },
2233        { 0x010, RSCreate(RS640x350,   RS4bpp ) },
2234        { 0x012, RSCreate(RS640x480,   RS4bpp ) },
2235        { 0x102, RSCreate(RS800x600,   RS4bpp ) },
2236        { 0x104, RSCreate(RS1024x768,  RS4bpp ) },
2237        { 0x106, RSCreate(RS1280x1024, RS4bpp ) },
2238        {     0, 0                              }};
2239
2240static void __init matroxfb_init_params(void) {
2241        /* fh from kHz to Hz */
2242        if (fh < 1000)
2243                fh *= 1000;     /* 1kHz minimum */
2244        /* maxclk */
2245        if (maxclk < 1000) maxclk *= 1000;      /* kHz -> Hz, MHz -> kHz */
2246        if (maxclk < 1000000) maxclk *= 1000;   /* kHz -> Hz, 1MHz minimum */
2247        /* fix VESA number */
2248        if (vesa != ~0)
2249                vesa &= 0x1DFF;         /* mask out clearscreen, acceleration and so on */
2250
2251        /* static settings */
2252        for (RSptr = vesamap; RSptr->vesa; RSptr++) {
2253                if (RSptr->vesa == vesa) break;
2254        }
2255        if (!RSptr->vesa) {
2256                printk(KERN_ERR "Invalid vesa mode 0x%04X\n", vesa);
2257                RSptr = vesamap;
2258        }
2259        {
2260                int res = RSResolution(RSptr->info)-1;
2261                if (left == ~0)
2262                        left = timmings[res].left;
2263                if (!xres)
2264                        xres = timmings[res].xres;
2265                if (right == ~0)
2266                        right = timmings[res].right;
2267                if (!hslen)
2268                        hslen = timmings[res].hslen;
2269                if (upper == ~0)
2270                        upper = timmings[res].upper;
2271                if (!yres)
2272                        yres = timmings[res].yres;
2273                if (lower == ~0)
2274                        lower = timmings[res].lower;
2275                if (!vslen)
2276                        vslen = timmings[res].vslen;
2277                if (!(fv||fh||maxclk||pixclock))
2278                        fv = timmings[res].vfreq;
2279                if (depth == -1)
2280                        depth = RSDepth(RSptr->info);
2281        }
2282}
2283
2284static int __init matrox_init(void) {
2285        int err;
2286
2287        matroxfb_init_params();
2288        err = pci_register_driver(&matroxfb_driver);
2289        dev = -1;       /* accept all new devices... */
2290        return err;
2291}
2292
2293/* **************************** exit-time only **************************** */
2294
2295static void __exit matrox_done(void) {
2296        pci_unregister_driver(&matroxfb_driver);
2297}
2298
2299#ifndef MODULE
2300
2301/* ************************* init in-kernel code ************************** */
2302
2303static int __init matroxfb_setup(char *options) {
2304        char *this_opt;
2305
2306        DBG(__func__)
2307
2308        if (!options || !*options)
2309                return 0;
2310
2311        while ((this_opt = strsep(&options, ",")) != NULL) {
2312                if (!*this_opt) continue;
2313
2314                dprintk("matroxfb_setup: option %s\n", this_opt);
2315
2316                if (!strncmp(this_opt, "dev:", 4))
2317                        dev = simple_strtoul(this_opt+4, NULL, 0);
2318                else if (!strncmp(this_opt, "depth:", 6)) {
2319                        switch (simple_strtoul(this_opt+6, NULL, 0)) {
2320                                case 0: depth = RSText; break;
2321                                case 4: depth = RS4bpp; break;
2322                                case 8: depth = RS8bpp; break;
2323                                case 15:depth = RS15bpp; break;
2324                                case 16:depth = RS16bpp; break;
2325                                case 24:depth = RS24bpp; break;
2326                                case 32:depth = RS32bpp; break;
2327                                default:
2328                                        printk(KERN_ERR "matroxfb: unsupported color depth\n");
2329                        }
2330                } else if (!strncmp(this_opt, "xres:", 5))
2331                        xres = simple_strtoul(this_opt+5, NULL, 0);
2332                else if (!strncmp(this_opt, "yres:", 5))
2333                        yres = simple_strtoul(this_opt+5, NULL, 0);
2334                else if (!strncmp(this_opt, "vslen:", 6))
2335                        vslen = simple_strtoul(this_opt+6, NULL, 0);
2336                else if (!strncmp(this_opt, "hslen:", 6))
2337                        hslen = simple_strtoul(this_opt+6, NULL, 0);
2338                else if (!strncmp(this_opt, "left:", 5))
2339                        left = simple_strtoul(this_opt+5, NULL, 0);
2340                else if (!strncmp(this_opt, "right:", 6))
2341                        right = simple_strtoul(this_opt+6, NULL, 0);
2342                else if (!strncmp(this_opt, "upper:", 6))
2343                        upper = simple_strtoul(this_opt+6, NULL, 0);
2344                else if (!strncmp(this_opt, "lower:", 6))
2345                        lower = simple_strtoul(this_opt+6, NULL, 0);
2346                else if (!strncmp(this_opt, "pixclock:", 9))
2347                        pixclock = simple_strtoul(this_opt+9, NULL, 0);
2348                else if (!strncmp(this_opt, "sync:", 5))
2349                        sync = simple_strtoul(this_opt+5, NULL, 0);
2350                else if (!strncmp(this_opt, "vesa:", 5))
2351                        vesa = simple_strtoul(this_opt+5, NULL, 0);
2352                else if (!strncmp(this_opt, "maxclk:", 7))
2353                        maxclk = simple_strtoul(this_opt+7, NULL, 0);
2354                else if (!strncmp(this_opt, "fh:", 3))
2355                        fh = simple_strtoul(this_opt+3, NULL, 0);
2356                else if (!strncmp(this_opt, "fv:", 3))
2357                        fv = simple_strtoul(this_opt+3, NULL, 0);
2358                else if (!strncmp(this_opt, "mem:", 4))
2359                        mem = simple_strtoul(this_opt+4, NULL, 0);
2360                else if (!strncmp(this_opt, "mode:", 5))
2361                        strlcpy(videomode, this_opt+5, sizeof(videomode));
2362                else if (!strncmp(this_opt, "outputs:", 8))
2363                        strlcpy(outputs, this_opt+8, sizeof(outputs));
2364                else if (!strncmp(this_opt, "dfp:", 4)) {
2365                        dfp_type = simple_strtoul(this_opt+4, NULL, 0);
2366                        dfp = 1;
2367                }
2368#ifdef CONFIG_PPC_PMAC
2369                else if (!strncmp(this_opt, "vmode:", 6)) {
2370                        unsigned int vmode = simple_strtoul(this_opt+6, NULL, 0);
2371                        if (vmode > 0 && vmode <= VMODE_MAX)
2372                                default_vmode = vmode;
2373                } else if (!strncmp(this_opt, "cmode:", 6)) {
2374                        unsigned int cmode = simple_strtoul(this_opt+6, NULL, 0);
2375                        switch (cmode) {
2376                                case 0:
2377                                case 8:
2378                                        default_cmode = CMODE_8;
2379                                        break;
2380                                case 15:
2381                                case 16:
2382                                        default_cmode = CMODE_16;
2383                                        break;
2384                                case 24:
2385                                case 32:
2386                                        default_cmode = CMODE_32;
2387                                        break;
2388                        }
2389                }
2390#endif
2391                else if (!strcmp(this_opt, "disabled")) /* nodisabled does not exist */
2392                        disabled = 1;
2393                else if (!strcmp(this_opt, "enabled"))  /* noenabled does not exist */
2394                        disabled = 0;
2395                else if (!strcmp(this_opt, "sgram"))    /* nosgram == sdram */
2396                        sgram = 1;
2397                else if (!strcmp(this_opt, "sdram"))
2398                        sgram = 0;
2399                else if (!strncmp(this_opt, "memtype:", 8))
2400                        memtype = simple_strtoul(this_opt+8, NULL, 0);
2401                else {
2402                        int value = 1;
2403
2404                        if (!strncmp(this_opt, "no", 2)) {
2405                                value = 0;
2406                                this_opt += 2;
2407                        }
2408                        if (! strcmp(this_opt, "inverse"))
2409                                inverse = value;
2410                        else if (!strcmp(this_opt, "accel"))
2411                                noaccel = !value;
2412                        else if (!strcmp(this_opt, "pan"))
2413                                nopan = !value;
2414                        else if (!strcmp(this_opt, "pciretry"))
2415                                no_pci_retry = !value;
2416                        else if (!strcmp(this_opt, "vga"))
2417                                novga = !value;
2418                        else if (!strcmp(this_opt, "bios"))
2419                                nobios = !value;
2420                        else if (!strcmp(this_opt, "init"))
2421                                noinit = !value;
2422#ifdef CONFIG_MTRR
2423                        else if (!strcmp(this_opt, "mtrr"))
2424                                mtrr = value;
2425#endif
2426                        else if (!strcmp(this_opt, "inv24"))
2427                                inv24 = value;
2428                        else if (!strcmp(this_opt, "cross4MB"))
2429                                cross4MB = value;
2430                        else if (!strcmp(this_opt, "grayscale"))
2431                                grayscale = value;
2432                        else if (!strcmp(this_opt, "dfp"))
2433                                dfp = value;
2434                        else {
2435                                strlcpy(videomode, this_opt, sizeof(videomode));
2436                        }
2437                }
2438        }
2439        return 0;
2440}
2441
2442static int __initdata initialized = 0;
2443
2444static int __init matroxfb_init(void)
2445{
2446        char *option = NULL;
2447        int err = 0;
2448
2449        DBG(__func__)
2450
2451        if (fb_get_options("matroxfb", &option))
2452                return -ENODEV;
2453        matroxfb_setup(option);
2454
2455        if (disabled)
2456                return -ENXIO;
2457        if (!initialized) {
2458                initialized = 1;
2459                err = matrox_init();
2460        }
2461        hotplug = 1;
2462        /* never return failure, user can hotplug matrox later... */
2463        return err;
2464}
2465
2466module_init(matroxfb_init);
2467
2468#else
2469
2470/* *************************** init module code **************************** */
2471
2472MODULE_AUTHOR("(c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>");
2473MODULE_DESCRIPTION("Accelerated FBDev driver for Matrox Millennium/Mystique/G100/G200/G400/G450/G550");
2474MODULE_LICENSE("GPL");
2475
2476module_param(mem, int, 0);
2477MODULE_PARM_DESC(mem, "Size of available memory in MB, KB or B (2,4,8,12,16MB, default=autodetect)");
2478module_param(disabled, int, 0);
2479MODULE_PARM_DESC(disabled, "Disabled (0 or 1=disabled) (default=0)");
2480module_param(noaccel, int, 0);
2481MODULE_PARM_DESC(noaccel, "Do not use accelerating engine (0 or 1=disabled) (default=0)");
2482module_param(nopan, int, 0);
2483MODULE_PARM_DESC(nopan, "Disable pan on startup (0 or 1=disabled) (default=0)");
2484module_param(no_pci_retry, int, 0);
2485MODULE_PARM_DESC(no_pci_retry, "PCI retries enabled (0 or 1=disabled) (default=0)");
2486module_param(novga, int, 0);
2487MODULE_PARM_DESC(novga, "VGA I/O (0x3C0-0x3DF) disabled (0 or 1=disabled) (default=0)");
2488module_param(nobios, int, 0);
2489MODULE_PARM_DESC(nobios, "Disables ROM BIOS (0 or 1=disabled) (default=do not change BIOS state)");
2490module_param(noinit, int, 0);
2491MODULE_PARM_DESC(noinit, "Disables W/SG/SD-RAM and bus interface initialization (0 or 1=do not initialize) (default=0)");
2492module_param(memtype, int, 0);
2493MODULE_PARM_DESC(memtype, "Memory type for G200/G400 (see Documentation/fb/matroxfb.txt for explanation) (default=3 for G200, 0 for G400)");
2494#ifdef CONFIG_MTRR
2495module_param(mtrr, int, 0);
2496MODULE_PARM_DESC(mtrr, "This speeds up video memory accesses (0=disabled or 1) (default=1)");
2497#endif
2498module_param(sgram, int, 0);
2499MODULE_PARM_DESC(sgram, "Indicates that G100/G200/G400 has SGRAM memory (0=SDRAM, 1=SGRAM) (default=0)");
2500module_param(inv24, int, 0);
2501MODULE_PARM_DESC(inv24, "Inverts clock polarity for 24bpp and loop frequency > 100MHz (default=do not invert polarity)");
2502module_param(inverse, int, 0);
2503MODULE_PARM_DESC(inverse, "Inverse (0 or 1) (default=0)");
2504module_param(dev, int, 0);
2505MODULE_PARM_DESC(dev, "Multihead support, attach to device ID (0..N) (default=all working)");
2506module_param(vesa, int, 0);
2507MODULE_PARM_DESC(vesa, "Startup videomode (0x000-0x1FF) (default=0x101)");
2508module_param(xres, int, 0);
2509MODULE_PARM_DESC(xres, "Horizontal resolution (px), overrides xres from vesa (default=vesa)");
2510module_param(yres, int, 0);
2511MODULE_PARM_DESC(yres, "Vertical resolution (scans), overrides yres from vesa (default=vesa)");
2512module_param(upper, int, 0);
2513MODULE_PARM_DESC(upper, "Upper blank space (scans), overrides upper from vesa (default=vesa)");
2514module_param(lower, int, 0);
2515MODULE_PARM_DESC(lower, "Lower blank space (scans), overrides lower from vesa (default=vesa)");
2516module_param(vslen, int, 0);
2517MODULE_PARM_DESC(vslen, "Vertical sync length (scans), overrides lower from vesa (default=vesa)");
2518module_param(left, int, 0);
2519MODULE_PARM_DESC(left, "Left blank space (px), overrides left from vesa (default=vesa)");
2520module_param(right, int, 0);
2521MODULE_PARM_DESC(right, "Right blank space (px), overrides right from vesa (default=vesa)");
2522module_param(hslen, int, 0);
2523MODULE_PARM_DESC(hslen, "Horizontal sync length (px), overrides hslen from vesa (default=vesa)");
2524module_param(pixclock, int, 0);
2525MODULE_PARM_DESC(pixclock, "Pixelclock (ns), overrides pixclock from vesa (default=vesa)");
2526module_param(sync, int, 0);
2527MODULE_PARM_DESC(sync, "Sync polarity, overrides sync from vesa (default=vesa)");
2528module_param(depth, int, 0);
2529MODULE_PARM_DESC(depth, "Color depth (0=text,8,15,16,24,32) (default=vesa)");
2530module_param(maxclk, int, 0);
2531MODULE_PARM_DESC(maxclk, "Startup maximal clock, 0-999MHz, 1000-999999kHz, 1000000-INF Hz");
2532module_param(fh, int, 0);
2533MODULE_PARM_DESC(fh, "Startup horizontal frequency, 0-999kHz, 1000-INF Hz");
2534module_param(fv, int, 0);
2535MODULE_PARM_DESC(fv, "Startup vertical frequency, 0-INF Hz\n"
2536"You should specify \"fv:max_monitor_vsync,fh:max_monitor_hsync,maxclk:max_monitor_dotclock\"");
2537module_param(grayscale, int, 0);
2538MODULE_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)");
2539module_param(cross4MB, int, 0);
2540MODULE_PARM_DESC(cross4MB, "Specifies that 4MB boundary can be in middle of line. (default=autodetected)");
2541module_param(dfp, int, 0);
2542MODULE_PARM_DESC(dfp, "Specifies whether to use digital flat panel interface of G200/G400 (0 or 1) (default=0)");
2543module_param(dfp_type, int, 0);
2544MODULE_PARM_DESC(dfp_type, "Specifies DFP interface type (0 to 255) (default=read from hardware)");
2545module_param_string(outputs, outputs, sizeof(outputs), 0);
2546MODULE_PARM_DESC(outputs, "Specifies which CRTC is mapped to which output (string of up to three letters, consisting of 0 (disabled), 1 (CRTC1), 2 (CRTC2)) (default=111 for Gx50, 101 for G200/G400 with DFP, and 100 for all other devices)");
2547#ifdef CONFIG_PPC_PMAC
2548module_param_named(vmode, default_vmode, int, 0);
2549MODULE_PARM_DESC(vmode, "Specify the vmode mode number that should be used (640x480 default)");
2550module_param_named(cmode, default_cmode, int, 0);
2551MODULE_PARM_DESC(cmode, "Specify the video depth that should be used (8bit default)");
2552#endif
2553
2554int __init init_module(void){
2555
2556        DBG(__func__)
2557
2558        if (disabled)
2559                return -ENXIO;
2560
2561        if (depth == 0)
2562                depth = RSText;
2563        else if (depth == 4)
2564                depth = RS4bpp;
2565        else if (depth == 8)
2566                depth = RS8bpp;
2567        else if (depth == 15)
2568                depth = RS15bpp;
2569        else if (depth == 16)
2570                depth = RS16bpp;
2571        else if (depth == 24)
2572                depth = RS24bpp;
2573        else if (depth == 32)
2574                depth = RS32bpp;
2575        else if (depth != -1) {
2576                printk(KERN_ERR "matroxfb: depth %d is not supported, using default\n", depth);
2577                depth = -1;
2578        }
2579        matrox_init();
2580        /* never return failure; user can hotplug matrox later... */
2581        return 0;
2582}
2583#endif  /* MODULE */
2584
2585module_exit(matrox_done);
2586EXPORT_SYMBOL(matroxfb_register_driver);
2587EXPORT_SYMBOL(matroxfb_unregister_driver);
2588EXPORT_SYMBOL(matroxfb_wait_for_sync);
2589EXPORT_SYMBOL(matroxfb_enable_irq);
2590
2591/*
2592 * Overrides for Emacs so that we follow Linus's tabbing style.
2593 * ---------------------------------------------------------------------------
2594 * Local variables:
2595 * c-basic-offset: 8
2596 * End:
2597 */
2598
2599