linux/drivers/video/fbdev/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#include "matroxfb_base.h"
 105#include "matroxfb_misc.h"
 106#include "matroxfb_accel.h"
 107#include "matroxfb_DAC1064.h"
 108#include "matroxfb_Ti3026.h"
 109#include "matroxfb_maven.h"
 110#include "matroxfb_crtc2.h"
 111#include "matroxfb_g450.h"
 112#include <linux/matroxfb.h>
 113#include <linux/interrupt.h>
 114#include <linux/slab.h>
 115#include <linux/uaccess.h>
 116
 117#ifdef CONFIG_PPC_PMAC
 118#include <asm/machdep.h>
 119unsigned char nvram_read_byte(int);
 120static int default_vmode = VMODE_NVRAM;
 121static int default_cmode = CMODE_NVRAM;
 122#endif
 123
 124static void matroxfb_unregister_device(struct matrox_fb_info* minfo);
 125
 126/* --------------------------------------------------------------------- */
 127
 128/*
 129 * card parameters
 130 */
 131
 132/* --------------------------------------------------------------------- */
 133
 134static struct fb_var_screeninfo vesafb_defined = {
 135        640,480,640,480,/* W,H, W, H (virtual) load xres,xres_virtual*/
 136        0,0,            /* virtual -> visible no offset */
 137        8,              /* depth -> load bits_per_pixel */
 138        0,              /* greyscale ? */
 139        {0,0,0},        /* R */
 140        {0,0,0},        /* G */
 141        {0,0,0},        /* B */
 142        {0,0,0},        /* transparency */
 143        0,              /* standard pixel format */
 144        FB_ACTIVATE_NOW,
 145        -1,-1,
 146        FB_ACCELF_TEXT, /* accel flags */
 147        39721L,48L,16L,33L,10L,
 148        96L,2L,~0,      /* No sync info */
 149        FB_VMODE_NONINTERLACED,
 150};
 151
 152
 153
 154/* --------------------------------------------------------------------- */
 155static void update_crtc2(struct matrox_fb_info *minfo, unsigned int pos)
 156{
 157        struct matroxfb_dh_fb_info *info = minfo->crtc2.info;
 158
 159        /* Make sure that displays are compatible */
 160        if (info && (info->fbcon.var.bits_per_pixel == minfo->fbcon.var.bits_per_pixel)
 161                 && (info->fbcon.var.xres_virtual == minfo->fbcon.var.xres_virtual)
 162                 && (info->fbcon.var.green.length == minfo->fbcon.var.green.length)
 163                 ) {
 164                switch (minfo->fbcon.var.bits_per_pixel) {
 165                        case 16:
 166                        case 32:
 167                                pos = pos * 8;
 168                                if (info->interlaced) {
 169                                        mga_outl(0x3C2C, pos);
 170                                        mga_outl(0x3C28, pos + minfo->fbcon.var.xres_virtual * minfo->fbcon.var.bits_per_pixel / 8);
 171                                } else {
 172                                        mga_outl(0x3C28, pos);
 173                                }
 174                                break;
 175                }
 176        }
 177}
 178
 179static void matroxfb_crtc1_panpos(struct matrox_fb_info *minfo)
 180{
 181        if (minfo->crtc1.panpos >= 0) {
 182                unsigned long flags;
 183                int panpos;
 184
 185                matroxfb_DAC_lock_irqsave(flags);
 186                panpos = minfo->crtc1.panpos;
 187                if (panpos >= 0) {
 188                        unsigned int extvga_reg;
 189
 190                        minfo->crtc1.panpos = -1; /* No update pending anymore */
 191                        extvga_reg = mga_inb(M_EXTVGA_INDEX);
 192                        mga_setr(M_EXTVGA_INDEX, 0x00, panpos);
 193                        if (extvga_reg != 0x00) {
 194                                mga_outb(M_EXTVGA_INDEX, extvga_reg);
 195                        }
 196                }
 197                matroxfb_DAC_unlock_irqrestore(flags);
 198        }
 199}
 200
 201static irqreturn_t matrox_irq(int irq, void *dev_id)
 202{
 203        u_int32_t status;
 204        int handled = 0;
 205        struct matrox_fb_info *minfo = dev_id;
 206
 207        status = mga_inl(M_STATUS);
 208
 209        if (status & 0x20) {
 210                mga_outl(M_ICLEAR, 0x20);
 211                minfo->crtc1.vsync.cnt++;
 212                matroxfb_crtc1_panpos(minfo);
 213                wake_up_interruptible(&minfo->crtc1.vsync.wait);
 214                handled = 1;
 215        }
 216        if (status & 0x200) {
 217                mga_outl(M_ICLEAR, 0x200);
 218                minfo->crtc2.vsync.cnt++;
 219                wake_up_interruptible(&minfo->crtc2.vsync.wait);
 220                handled = 1;
 221        }
 222        return IRQ_RETVAL(handled);
 223}
 224
 225int matroxfb_enable_irq(struct matrox_fb_info *minfo, int reenable)
 226{
 227        u_int32_t bm;
 228
 229        if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400)
 230                bm = 0x220;
 231        else
 232                bm = 0x020;
 233
 234        if (!test_and_set_bit(0, &minfo->irq_flags)) {
 235                if (request_irq(minfo->pcidev->irq, matrox_irq,
 236                                IRQF_SHARED, "matroxfb", minfo)) {
 237                        clear_bit(0, &minfo->irq_flags);
 238                        return -EINVAL;
 239                }
 240                /* Clear any pending field interrupts */
 241                mga_outl(M_ICLEAR, bm);
 242                mga_outl(M_IEN, mga_inl(M_IEN) | bm);
 243        } else if (reenable) {
 244                u_int32_t ien;
 245
 246                ien = mga_inl(M_IEN);
 247                if ((ien & bm) != bm) {
 248                        printk(KERN_DEBUG "matroxfb: someone disabled IRQ [%08X]\n", ien);
 249                        mga_outl(M_IEN, ien | bm);
 250                }
 251        }
 252        return 0;
 253}
 254
 255static void matroxfb_disable_irq(struct matrox_fb_info *minfo)
 256{
 257        if (test_and_clear_bit(0, &minfo->irq_flags)) {
 258                /* Flush pending pan-at-vbl request... */
 259                matroxfb_crtc1_panpos(minfo);
 260                if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400)
 261                        mga_outl(M_IEN, mga_inl(M_IEN) & ~0x220);
 262                else
 263                        mga_outl(M_IEN, mga_inl(M_IEN) & ~0x20);
 264                free_irq(minfo->pcidev->irq, minfo);
 265        }
 266}
 267
 268int matroxfb_wait_for_sync(struct matrox_fb_info *minfo, u_int32_t crtc)
 269{
 270        struct matrox_vsync *vs;
 271        unsigned int cnt;
 272        int ret;
 273
 274        switch (crtc) {
 275                case 0:
 276                        vs = &minfo->crtc1.vsync;
 277                        break;
 278                case 1:
 279                        if (minfo->devflags.accelerator != FB_ACCEL_MATROX_MGAG400) {
 280                                return -ENODEV;
 281                        }
 282                        vs = &minfo->crtc2.vsync;
 283                        break;
 284                default:
 285                        return -ENODEV;
 286        }
 287        ret = matroxfb_enable_irq(minfo, 0);
 288        if (ret) {
 289                return ret;
 290        }
 291
 292        cnt = vs->cnt;
 293        ret = wait_event_interruptible_timeout(vs->wait, cnt != vs->cnt, HZ/10);
 294        if (ret < 0) {
 295                return ret;
 296        }
 297        if (ret == 0) {
 298                matroxfb_enable_irq(minfo, 1);
 299                return -ETIMEDOUT;
 300        }
 301        return 0;
 302}
 303
 304/* --------------------------------------------------------------------- */
 305
 306static void matrox_pan_var(struct matrox_fb_info *minfo,
 307                           struct fb_var_screeninfo *var)
 308{
 309        unsigned int pos;
 310        unsigned short p0, p1, p2;
 311        unsigned int p3;
 312        int vbl;
 313        unsigned long flags;
 314
 315        CRITFLAGS
 316
 317        DBG(__func__)
 318
 319        if (minfo->dead)
 320                return;
 321
 322        minfo->fbcon.var.xoffset = var->xoffset;
 323        minfo->fbcon.var.yoffset = var->yoffset;
 324        pos = (minfo->fbcon.var.yoffset * minfo->fbcon.var.xres_virtual + minfo->fbcon.var.xoffset) * minfo->curr.final_bppShift / 32;
 325        pos += minfo->curr.ydstorg.chunks;
 326        p0 = minfo->hw.CRTC[0x0D] = pos & 0xFF;
 327        p1 = minfo->hw.CRTC[0x0C] = (pos & 0xFF00) >> 8;
 328        p2 = minfo->hw.CRTCEXT[0] = (minfo->hw.CRTCEXT[0] & 0xB0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
 329        p3 = minfo->hw.CRTCEXT[8] = pos >> 21;
 330
 331        /* FB_ACTIVATE_VBL and we can acquire interrupts? Honor FB_ACTIVATE_VBL then... */
 332        vbl = (var->activate & FB_ACTIVATE_VBL) && (matroxfb_enable_irq(minfo, 0) == 0);
 333
 334        CRITBEGIN
 335
 336        matroxfb_DAC_lock_irqsave(flags);
 337        mga_setr(M_CRTC_INDEX, 0x0D, p0);
 338        mga_setr(M_CRTC_INDEX, 0x0C, p1);
 339        if (minfo->devflags.support32MB)
 340                mga_setr(M_EXTVGA_INDEX, 0x08, p3);
 341        if (vbl) {
 342                minfo->crtc1.panpos = p2;
 343        } else {
 344                /* Abort any pending change */
 345                minfo->crtc1.panpos = -1;
 346                mga_setr(M_EXTVGA_INDEX, 0x00, p2);
 347        }
 348        matroxfb_DAC_unlock_irqrestore(flags);
 349
 350        update_crtc2(minfo, pos);
 351
 352        CRITEND
 353}
 354
 355static void matroxfb_remove(struct matrox_fb_info *minfo, int dummy)
 356{
 357        /* Currently we are holding big kernel lock on all dead & usecount updates.
 358         * Destroy everything after all users release it. Especially do not unregister
 359         * framebuffer and iounmap memory, neither fbmem nor fbcon-cfb* does not check
 360         * for device unplugged when in use.
 361         * In future we should point mmio.vbase & video.vbase somewhere where we can
 362         * write data without causing too much damage...
 363         */
 364
 365        minfo->dead = 1;
 366        if (minfo->usecount) {
 367                /* destroy it later */
 368                return;
 369        }
 370        matroxfb_unregister_device(minfo);
 371        unregister_framebuffer(&minfo->fbcon);
 372        matroxfb_g450_shutdown(minfo);
 373#ifdef CONFIG_MTRR
 374        if (minfo->mtrr.vram_valid)
 375                mtrr_del(minfo->mtrr.vram, minfo->video.base, minfo->video.len);
 376#endif
 377        mga_iounmap(minfo->mmio.vbase);
 378        mga_iounmap(minfo->video.vbase);
 379        release_mem_region(minfo->video.base, minfo->video.len_maximum);
 380        release_mem_region(minfo->mmio.base, 16384);
 381        kfree(minfo);
 382}
 383
 384        /*
 385         * Open/Release the frame buffer device
 386         */
 387
 388static int matroxfb_open(struct fb_info *info, int user)
 389{
 390        struct matrox_fb_info *minfo = info2minfo(info);
 391
 392        DBG_LOOP(__func__)
 393
 394        if (minfo->dead) {
 395                return -ENXIO;
 396        }
 397        minfo->usecount++;
 398        if (user) {
 399                minfo->userusecount++;
 400        }
 401        return(0);
 402}
 403
 404static int matroxfb_release(struct fb_info *info, int user)
 405{
 406        struct matrox_fb_info *minfo = info2minfo(info);
 407
 408        DBG_LOOP(__func__)
 409
 410        if (user) {
 411                if (0 == --minfo->userusecount) {
 412                        matroxfb_disable_irq(minfo);
 413                }
 414        }
 415        if (!(--minfo->usecount) && minfo->dead) {
 416                matroxfb_remove(minfo, 0);
 417        }
 418        return(0);
 419}
 420
 421static int matroxfb_pan_display(struct fb_var_screeninfo *var,
 422                struct fb_info* info) {
 423        struct matrox_fb_info *minfo = info2minfo(info);
 424
 425        DBG(__func__)
 426
 427        matrox_pan_var(minfo, var);
 428        return 0;
 429}
 430
 431static int matroxfb_get_final_bppShift(const struct matrox_fb_info *minfo,
 432                                       int bpp)
 433{
 434        int bppshft2;
 435
 436        DBG(__func__)
 437
 438        bppshft2 = bpp;
 439        if (!bppshft2) {
 440                return 8;
 441        }
 442        if (isInterleave(minfo))
 443                bppshft2 >>= 1;
 444        if (minfo->devflags.video64bits)
 445                bppshft2 >>= 1;
 446        return bppshft2;
 447}
 448
 449static int matroxfb_test_and_set_rounding(const struct matrox_fb_info *minfo,
 450                                          int xres, int bpp)
 451{
 452        int over;
 453        int rounding;
 454
 455        DBG(__func__)
 456
 457        switch (bpp) {
 458                case 0:         return xres;
 459                case 4:         rounding = 128;
 460                                break;
 461                case 8:         rounding = 64;  /* doc says 64; 32 is OK for G400 */
 462                                break;
 463                case 16:        rounding = 32;
 464                                break;
 465                case 24:        rounding = 64;  /* doc says 64; 32 is OK for G400 */
 466                                break;
 467                default:        rounding = 16;
 468                                /* on G400, 16 really does not work */
 469                                if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400)
 470                                        rounding = 32;
 471                                break;
 472        }
 473        if (isInterleave(minfo)) {
 474                rounding *= 2;
 475        }
 476        over = xres % rounding;
 477        if (over)
 478                xres += rounding-over;
 479        return xres;
 480}
 481
 482static int matroxfb_pitch_adjust(const struct matrox_fb_info *minfo, int xres,
 483                                 int bpp)
 484{
 485        const int* width;
 486        int xres_new;
 487
 488        DBG(__func__)
 489
 490        if (!bpp) return xres;
 491
 492        width = minfo->capable.vxres;
 493
 494        if (minfo->devflags.precise_width) {
 495                while (*width) {
 496                        if ((*width >= xres) && (matroxfb_test_and_set_rounding(minfo, *width, bpp) == *width)) {
 497                                break;
 498                        }
 499                        width++;
 500                }
 501                xres_new = *width;
 502        } else {
 503                xres_new = matroxfb_test_and_set_rounding(minfo, xres, bpp);
 504        }
 505        return xres_new;
 506}
 507
 508static int matroxfb_get_cmap_len(struct fb_var_screeninfo *var) {
 509
 510        DBG(__func__)
 511
 512        switch (var->bits_per_pixel) {
 513                case 4:
 514                        return 16;      /* pseudocolor... 16 entries HW palette */
 515                case 8:
 516                        return 256;     /* pseudocolor... 256 entries HW palette */
 517                case 16:
 518                        return 16;      /* directcolor... 16 entries SW palette */
 519                                        /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 520                case 24:
 521                        return 16;      /* directcolor... 16 entries SW palette */
 522                                        /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 523                case 32:
 524                        return 16;      /* directcolor... 16 entries SW palette */
 525                                        /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 526        }
 527        return 16;      /* return something reasonable... or panic()? */
 528}
 529
 530static int matroxfb_decode_var(const struct matrox_fb_info *minfo,
 531                               struct fb_var_screeninfo *var, int *visual,
 532                               int *video_cmap_len, unsigned int* ydstorg)
 533{
 534        struct RGBT {
 535                unsigned char bpp;
 536                struct {
 537                        unsigned char offset,
 538                                      length;
 539                } red,
 540                  green,
 541                  blue,
 542                  transp;
 543                signed char visual;
 544        };
 545        static const struct RGBT table[]= {
 546                { 8,{ 0,8},{0,8},{0,8},{ 0,0},MX_VISUAL_PSEUDOCOLOR},
 547                {15,{10,5},{5,5},{0,5},{15,1},MX_VISUAL_DIRECTCOLOR},
 548                {16,{11,5},{5,6},{0,5},{ 0,0},MX_VISUAL_DIRECTCOLOR},
 549                {24,{16,8},{8,8},{0,8},{ 0,0},MX_VISUAL_DIRECTCOLOR},
 550                {32,{16,8},{8,8},{0,8},{24,8},MX_VISUAL_DIRECTCOLOR}
 551        };
 552        struct RGBT const *rgbt;
 553        unsigned int bpp = var->bits_per_pixel;
 554        unsigned int vramlen;
 555        unsigned int memlen;
 556
 557        DBG(__func__)
 558
 559        switch (bpp) {
 560                case 4:  if (!minfo->capable.cfb4) return -EINVAL;
 561                         break;
 562                case 8:  break;
 563                case 16: break;
 564                case 24: break;
 565                case 32: break;
 566                default: return -EINVAL;
 567        }
 568        *ydstorg = 0;
 569        vramlen = minfo->video.len_usable;
 570        if (var->yres_virtual < var->yres)
 571                var->yres_virtual = var->yres;
 572        if (var->xres_virtual < var->xres)
 573                var->xres_virtual = var->xres;
 574
 575        var->xres_virtual = matroxfb_pitch_adjust(minfo, var->xres_virtual, bpp);
 576        memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
 577        if (memlen > vramlen) {
 578                var->yres_virtual = vramlen * 8 / (var->xres_virtual * bpp);
 579                memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
 580        }
 581        /* There is hardware bug that no line can cross 4MB boundary */
 582        /* give up for CFB24, it is impossible to easy workaround it */
 583        /* for other try to do something */
 584        if (!minfo->capable.cross4MB && (memlen > 0x400000)) {
 585                if (bpp == 24) {
 586                        /* sorry */
 587                } else {
 588                        unsigned int linelen;
 589                        unsigned int m1 = linelen = var->xres_virtual * bpp / 8;
 590                        unsigned int m2 = PAGE_SIZE;    /* or 128 if you do not need PAGE ALIGNED address */
 591                        unsigned int max_yres;
 592
 593                        while (m1) {
 594                                int t;
 595
 596                                while (m2 >= m1) m2 -= m1;
 597                                t = m1;
 598                                m1 = m2;
 599                                m2 = t;
 600                        }
 601                        m2 = linelen * PAGE_SIZE / m2;
 602                        *ydstorg = m2 = 0x400000 % m2;
 603                        max_yres = (vramlen - m2) / linelen;
 604                        if (var->yres_virtual > max_yres)
 605                                var->yres_virtual = max_yres;
 606                }
 607        }
 608        /* YDSTLEN contains only signed 16bit value */
 609        if (var->yres_virtual > 32767)
 610                var->yres_virtual = 32767;
 611        /* we must round yres/xres down, we already rounded y/xres_virtual up
 612           if it was possible. We should return -EINVAL, but I disagree */
 613        if (var->yres_virtual < var->yres)
 614                var->yres = var->yres_virtual;
 615        if (var->xres_virtual < var->xres)
 616                var->xres = var->xres_virtual;
 617        if (var->xoffset + var->xres > var->xres_virtual)
 618                var->xoffset = var->xres_virtual - var->xres;
 619        if (var->yoffset + var->yres > var->yres_virtual)
 620                var->yoffset = var->yres_virtual - var->yres;
 621
 622        if (bpp == 16 && var->green.length == 5) {
 623                bpp--; /* an artificial value - 15 */
 624        }
 625
 626        for (rgbt = table; rgbt->bpp < bpp; rgbt++);
 627#define SETCLR(clr)\
 628        var->clr.offset = rgbt->clr.offset;\
 629        var->clr.length = rgbt->clr.length
 630        SETCLR(red);
 631        SETCLR(green);
 632        SETCLR(blue);
 633        SETCLR(transp);
 634#undef  SETCLR
 635        *visual = rgbt->visual;
 636
 637        if (bpp > 8)
 638                dprintk("matroxfb: truecolor: "
 639                        "size=%d:%d:%d:%d, shift=%d:%d:%d:%d\n",
 640                        var->transp.length, var->red.length, var->green.length, var->blue.length,
 641                        var->transp.offset, var->red.offset, var->green.offset, var->blue.offset);
 642
 643        *video_cmap_len = matroxfb_get_cmap_len(var);
 644        dprintk(KERN_INFO "requested %d*%d/%dbpp (%d*%d)\n", var->xres, var->yres, var->bits_per_pixel,
 645                                var->xres_virtual, var->yres_virtual);
 646        return 0;
 647}
 648
 649static int matroxfb_setcolreg(unsigned regno, unsigned red, unsigned green,
 650                              unsigned blue, unsigned transp,
 651                              struct fb_info *fb_info)
 652{
 653        struct matrox_fb_info* minfo = container_of(fb_info, struct matrox_fb_info, fbcon);
 654
 655        DBG(__func__)
 656
 657        /*
 658         *  Set a single color register. The values supplied are
 659         *  already rounded down to the hardware's capabilities
 660         *  (according to the entries in the `var' structure). Return
 661         *  != 0 for invalid regno.
 662         */
 663
 664        if (regno >= minfo->curr.cmap_len)
 665                return 1;
 666
 667        if (minfo->fbcon.var.grayscale) {
 668                /* gray = 0.30*R + 0.59*G + 0.11*B */
 669                red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
 670        }
 671
 672        red = CNVT_TOHW(red, minfo->fbcon.var.red.length);
 673        green = CNVT_TOHW(green, minfo->fbcon.var.green.length);
 674        blue = CNVT_TOHW(blue, minfo->fbcon.var.blue.length);
 675        transp = CNVT_TOHW(transp, minfo->fbcon.var.transp.length);
 676
 677        switch (minfo->fbcon.var.bits_per_pixel) {
 678        case 4:
 679        case 8:
 680                mga_outb(M_DAC_REG, regno);
 681                mga_outb(M_DAC_VAL, red);
 682                mga_outb(M_DAC_VAL, green);
 683                mga_outb(M_DAC_VAL, blue);
 684                break;
 685        case 16:
 686                if (regno >= 16)
 687                        break;
 688                {
 689                        u_int16_t col =
 690                                (red << minfo->fbcon.var.red.offset)     |
 691                                (green << minfo->fbcon.var.green.offset) |
 692                                (blue << minfo->fbcon.var.blue.offset)   |
 693                                (transp << minfo->fbcon.var.transp.offset); /* for 1:5:5:5 */
 694                        minfo->cmap[regno] = col | (col << 16);
 695                }
 696                break;
 697        case 24:
 698        case 32:
 699                if (regno >= 16)
 700                        break;
 701                minfo->cmap[regno] =
 702                        (red   << minfo->fbcon.var.red.offset)   |
 703                        (green << minfo->fbcon.var.green.offset) |
 704                        (blue  << minfo->fbcon.var.blue.offset)  |
 705                        (transp << minfo->fbcon.var.transp.offset);     /* 8:8:8:8 */
 706                break;
 707        }
 708        return 0;
 709}
 710
 711static void matroxfb_init_fix(struct matrox_fb_info *minfo)
 712{
 713        struct fb_fix_screeninfo *fix = &minfo->fbcon.fix;
 714        DBG(__func__)
 715
 716        strcpy(fix->id,"MATROX");
 717
 718        fix->xpanstep = 8;      /* 8 for 8bpp, 4 for 16bpp, 2 for 32bpp */
 719        fix->ypanstep = 1;
 720        fix->ywrapstep = 0;
 721        fix->mmio_start = minfo->mmio.base;
 722        fix->mmio_len = minfo->mmio.len;
 723        fix->accel = minfo->devflags.accelerator;
 724}
 725
 726static void matroxfb_update_fix(struct matrox_fb_info *minfo)
 727{
 728        struct fb_fix_screeninfo *fix = &minfo->fbcon.fix;
 729        DBG(__func__)
 730
 731        mutex_lock(&minfo->fbcon.mm_lock);
 732        fix->smem_start = minfo->video.base + minfo->curr.ydstorg.bytes;
 733        fix->smem_len = minfo->video.len_usable - minfo->curr.ydstorg.bytes;
 734        mutex_unlock(&minfo->fbcon.mm_lock);
 735}
 736
 737static int matroxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 738{
 739        int err;
 740        int visual;
 741        int cmap_len;
 742        unsigned int ydstorg;
 743        struct matrox_fb_info *minfo = info2minfo(info);
 744
 745        if (minfo->dead) {
 746                return -ENXIO;
 747        }
 748        if ((err = matroxfb_decode_var(minfo, var, &visual, &cmap_len, &ydstorg)) != 0)
 749                return err;
 750        return 0;
 751}
 752
 753static int matroxfb_set_par(struct fb_info *info)
 754{
 755        int err;
 756        int visual;
 757        int cmap_len;
 758        unsigned int ydstorg;
 759        struct fb_var_screeninfo *var;
 760        struct matrox_fb_info *minfo = info2minfo(info);
 761
 762        DBG(__func__)
 763
 764        if (minfo->dead) {
 765                return -ENXIO;
 766        }
 767
 768        var = &info->var;
 769        if ((err = matroxfb_decode_var(minfo, var, &visual, &cmap_len, &ydstorg)) != 0)
 770                return err;
 771        minfo->fbcon.screen_base = vaddr_va(minfo->video.vbase) + ydstorg;
 772        matroxfb_update_fix(minfo);
 773        minfo->fbcon.fix.visual = visual;
 774        minfo->fbcon.fix.type = FB_TYPE_PACKED_PIXELS;
 775        minfo->fbcon.fix.type_aux = 0;
 776        minfo->fbcon.fix.line_length = (var->xres_virtual * var->bits_per_pixel) >> 3;
 777        {
 778                unsigned int pos;
 779
 780                minfo->curr.cmap_len = cmap_len;
 781                ydstorg += minfo->devflags.ydstorg;
 782                minfo->curr.ydstorg.bytes = ydstorg;
 783                minfo->curr.ydstorg.chunks = ydstorg >> (isInterleave(minfo) ? 3 : 2);
 784                if (var->bits_per_pixel == 4)
 785                        minfo->curr.ydstorg.pixels = ydstorg;
 786                else
 787                        minfo->curr.ydstorg.pixels = (ydstorg * 8) / var->bits_per_pixel;
 788                minfo->curr.final_bppShift = matroxfb_get_final_bppShift(minfo, var->bits_per_pixel);
 789                {       struct my_timming mt;
 790                        struct matrox_hw_state* hw;
 791                        int out;
 792
 793                        matroxfb_var2my(var, &mt);
 794                        mt.crtc = MATROXFB_SRC_CRTC1;
 795                        /* CRTC1 delays */
 796                        switch (var->bits_per_pixel) {
 797                                case  0:        mt.delay = 31 + 0; break;
 798                                case 16:        mt.delay = 21 + 8; break;
 799                                case 24:        mt.delay = 17 + 8; break;
 800                                case 32:        mt.delay = 16 + 8; break;
 801                                default:        mt.delay = 31 + 8; break;
 802                        }
 803
 804                        hw = &minfo->hw;
 805
 806                        down_read(&minfo->altout.lock);
 807                        for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 808                                if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 &&
 809                                    minfo->outputs[out].output->compute) {
 810                                        minfo->outputs[out].output->compute(minfo->outputs[out].data, &mt);
 811                                }
 812                        }
 813                        up_read(&minfo->altout.lock);
 814                        minfo->crtc1.pixclock = mt.pixclock;
 815                        minfo->crtc1.mnp = mt.mnp;
 816                        minfo->hw_switch->init(minfo, &mt);
 817                        pos = (var->yoffset * var->xres_virtual + var->xoffset) * minfo->curr.final_bppShift / 32;
 818                        pos += minfo->curr.ydstorg.chunks;
 819
 820                        hw->CRTC[0x0D] = pos & 0xFF;
 821                        hw->CRTC[0x0C] = (pos & 0xFF00) >> 8;
 822                        hw->CRTCEXT[0] = (hw->CRTCEXT[0] & 0xF0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
 823                        hw->CRTCEXT[8] = pos >> 21;
 824                        minfo->hw_switch->restore(minfo);
 825                        update_crtc2(minfo, pos);
 826                        down_read(&minfo->altout.lock);
 827                        for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 828                                if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 &&
 829                                    minfo->outputs[out].output->program) {
 830                                        minfo->outputs[out].output->program(minfo->outputs[out].data);
 831                                }
 832                        }
 833                        for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 834                                if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 &&
 835                                    minfo->outputs[out].output->start) {
 836                                        minfo->outputs[out].output->start(minfo->outputs[out].data);
 837                                }
 838                        }
 839                        up_read(&minfo->altout.lock);
 840                        matrox_cfbX_init(minfo);
 841                }
 842        }
 843        minfo->initialized = 1;
 844        return 0;
 845}
 846
 847static int matroxfb_get_vblank(struct matrox_fb_info *minfo,
 848                               struct fb_vblank *vblank)
 849{
 850        unsigned int sts1;
 851
 852        matroxfb_enable_irq(minfo, 0);
 853        memset(vblank, 0, sizeof(*vblank));
 854        vblank->flags = FB_VBLANK_HAVE_VCOUNT | FB_VBLANK_HAVE_VSYNC |
 855                        FB_VBLANK_HAVE_VBLANK | FB_VBLANK_HAVE_HBLANK;
 856        sts1 = mga_inb(M_INSTS1);
 857        vblank->vcount = mga_inl(M_VCOUNT);
 858        /* BTW, on my PIII/450 with G400, reading M_INSTS1
 859           byte makes this call about 12% slower (1.70 vs. 2.05 us
 860           per ioctl()) */
 861        if (sts1 & 1)
 862                vblank->flags |= FB_VBLANK_HBLANKING;
 863        if (sts1 & 8)
 864                vblank->flags |= FB_VBLANK_VSYNCING;
 865        if (vblank->vcount >= minfo->fbcon.var.yres)
 866                vblank->flags |= FB_VBLANK_VBLANKING;
 867        if (test_bit(0, &minfo->irq_flags)) {
 868                vblank->flags |= FB_VBLANK_HAVE_COUNT;
 869                /* Only one writer, aligned int value...
 870                   it should work without lock and without atomic_t */
 871                vblank->count = minfo->crtc1.vsync.cnt;
 872        }
 873        return 0;
 874}
 875
 876static struct matrox_altout panellink_output = {
 877        .name    = "Panellink output",
 878};
 879
 880static int matroxfb_ioctl(struct fb_info *info,
 881                          unsigned int cmd, unsigned long arg)
 882{
 883        void __user *argp = (void __user *)arg;
 884        struct matrox_fb_info *minfo = info2minfo(info);
 885
 886        DBG(__func__)
 887
 888        if (minfo->dead) {
 889                return -ENXIO;
 890        }
 891
 892        switch (cmd) {
 893                case FBIOGET_VBLANK:
 894                        {
 895                                struct fb_vblank vblank;
 896                                int err;
 897
 898                                err = matroxfb_get_vblank(minfo, &vblank);
 899                                if (err)
 900                                        return err;
 901                                if (copy_to_user(argp, &vblank, sizeof(vblank)))
 902                                        return -EFAULT;
 903                                return 0;
 904                        }
 905                case FBIO_WAITFORVSYNC:
 906                        {
 907                                u_int32_t crt;
 908
 909                                if (get_user(crt, (u_int32_t __user *)arg))
 910                                        return -EFAULT;
 911
 912                                return matroxfb_wait_for_sync(minfo, crt);
 913                        }
 914                case MATROXFB_SET_OUTPUT_MODE:
 915                        {
 916                                struct matroxioc_output_mode mom;
 917                                struct matrox_altout *oproc;
 918                                int val;
 919
 920                                if (copy_from_user(&mom, argp, sizeof(mom)))
 921                                        return -EFAULT;
 922                                if (mom.output >= MATROXFB_MAX_OUTPUTS)
 923                                        return -ENXIO;
 924                                down_read(&minfo->altout.lock);
 925                                oproc = minfo->outputs[mom.output].output;
 926                                if (!oproc) {
 927                                        val = -ENXIO;
 928                                } else if (!oproc->verifymode) {
 929                                        if (mom.mode == MATROXFB_OUTPUT_MODE_MONITOR) {
 930                                                val = 0;
 931                                        } else {
 932                                                val = -EINVAL;
 933                                        }
 934                                } else {
 935                                        val = oproc->verifymode(minfo->outputs[mom.output].data, mom.mode);
 936                                }
 937                                if (!val) {
 938                                        if (minfo->outputs[mom.output].mode != mom.mode) {
 939                                                minfo->outputs[mom.output].mode = mom.mode;
 940                                                val = 1;
 941                                        }
 942                                }
 943                                up_read(&minfo->altout.lock);
 944                                if (val != 1)
 945                                        return val;
 946                                switch (minfo->outputs[mom.output].src) {
 947                                        case MATROXFB_SRC_CRTC1:
 948                                                matroxfb_set_par(info);
 949                                                break;
 950                                        case MATROXFB_SRC_CRTC2:
 951                                                {
 952                                                        struct matroxfb_dh_fb_info* crtc2;
 953
 954                                                        down_read(&minfo->crtc2.lock);
 955                                                        crtc2 = minfo->crtc2.info;
 956                                                        if (crtc2)
 957                                                                crtc2->fbcon.fbops->fb_set_par(&crtc2->fbcon);
 958                                                        up_read(&minfo->crtc2.lock);
 959                                                }
 960                                                break;
 961                                }
 962                                return 0;
 963                        }
 964                case MATROXFB_GET_OUTPUT_MODE:
 965                        {
 966                                struct matroxioc_output_mode mom;
 967                                struct matrox_altout *oproc;
 968                                int val;
 969
 970                                if (copy_from_user(&mom, argp, sizeof(mom)))
 971                                        return -EFAULT;
 972                                if (mom.output >= MATROXFB_MAX_OUTPUTS)
 973                                        return -ENXIO;
 974                                down_read(&minfo->altout.lock);
 975                                oproc = minfo->outputs[mom.output].output;
 976                                if (!oproc) {
 977                                        val = -ENXIO;
 978                                } else {
 979                                        mom.mode = minfo->outputs[mom.output].mode;
 980                                        val = 0;
 981                                }
 982                                up_read(&minfo->altout.lock);
 983                                if (val)
 984                                        return val;
 985                                if (copy_to_user(argp, &mom, sizeof(mom)))
 986                                        return -EFAULT;
 987                                return 0;
 988                        }
 989                case MATROXFB_SET_OUTPUT_CONNECTION:
 990                        {
 991                                u_int32_t tmp;
 992                                int i;
 993                                int changes;
 994
 995                                if (copy_from_user(&tmp, argp, sizeof(tmp)))
 996                                        return -EFAULT;
 997                                for (i = 0; i < 32; i++) {
 998                                        if (tmp & (1 << i)) {
 999                                                if (i >= MATROXFB_MAX_OUTPUTS)
1000                                                        return -ENXIO;
1001                                                if (!minfo->outputs[i].output)
1002                                                        return -ENXIO;
1003                                                switch (minfo->outputs[i].src) {
1004                                                        case MATROXFB_SRC_NONE:
1005                                                        case MATROXFB_SRC_CRTC1:
1006                                                                break;
1007                                                        default:
1008                                                                return -EBUSY;
1009                                                }
1010                                        }
1011                                }
1012                                if (minfo->devflags.panellink) {
1013                                        if (tmp & MATROXFB_OUTPUT_CONN_DFP) {
1014                                                if (tmp & MATROXFB_OUTPUT_CONN_SECONDARY)
1015                                                        return -EINVAL;
1016                                                for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1017                                                        if (minfo->outputs[i].src == MATROXFB_SRC_CRTC2) {
1018                                                                return -EBUSY;
1019                                                        }
1020                                                }
1021                                        }
1022                                }
1023                                changes = 0;
1024                                for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1025                                        if (tmp & (1 << i)) {
1026                                                if (minfo->outputs[i].src != MATROXFB_SRC_CRTC1) {
1027                                                        changes = 1;
1028                                                        minfo->outputs[i].src = MATROXFB_SRC_CRTC1;
1029                                                }
1030                                        } else if (minfo->outputs[i].src == MATROXFB_SRC_CRTC1) {
1031                                                changes = 1;
1032                                                minfo->outputs[i].src = MATROXFB_SRC_NONE;
1033                                        }
1034                                }
1035                                if (!changes)
1036                                        return 0;
1037                                matroxfb_set_par(info);
1038                                return 0;
1039                        }
1040                case MATROXFB_GET_OUTPUT_CONNECTION:
1041                        {
1042                                u_int32_t conn = 0;
1043                                int i;
1044
1045                                for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1046                                        if (minfo->outputs[i].src == MATROXFB_SRC_CRTC1) {
1047                                                conn |= 1 << i;
1048                                        }
1049                                }
1050                                if (put_user(conn, (u_int32_t __user *)arg))
1051                                        return -EFAULT;
1052                                return 0;
1053                        }
1054                case MATROXFB_GET_AVAILABLE_OUTPUTS:
1055                        {
1056                                u_int32_t conn = 0;
1057                                int i;
1058
1059                                for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1060                                        if (minfo->outputs[i].output) {
1061                                                switch (minfo->outputs[i].src) {
1062                                                        case MATROXFB_SRC_NONE:
1063                                                        case MATROXFB_SRC_CRTC1:
1064                                                                conn |= 1 << i;
1065                                                                break;
1066                                                }
1067                                        }
1068                                }
1069                                if (minfo->devflags.panellink) {
1070                                        if (conn & MATROXFB_OUTPUT_CONN_DFP)
1071                                                conn &= ~MATROXFB_OUTPUT_CONN_SECONDARY;
1072                                        if (conn & MATROXFB_OUTPUT_CONN_SECONDARY)
1073                                                conn &= ~MATROXFB_OUTPUT_CONN_DFP;
1074                                }
1075                                if (put_user(conn, (u_int32_t __user *)arg))
1076                                        return -EFAULT;
1077                                return 0;
1078                        }
1079                case MATROXFB_GET_ALL_OUTPUTS:
1080                        {
1081                                u_int32_t conn = 0;
1082                                int i;
1083
1084                                for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1085                                        if (minfo->outputs[i].output) {
1086                                                conn |= 1 << i;
1087                                        }
1088                                }
1089                                if (put_user(conn, (u_int32_t __user *)arg))
1090                                        return -EFAULT;
1091                                return 0;
1092                        }
1093                case VIDIOC_QUERYCAP:
1094                        {
1095                                struct v4l2_capability r;
1096
1097                                memset(&r, 0, sizeof(r));
1098                                strcpy(r.driver, "matroxfb");
1099                                strcpy(r.card, "Matrox");
1100                                sprintf(r.bus_info, "PCI:%s", pci_name(minfo->pcidev));
1101                                r.version = KERNEL_VERSION(1,0,0);
1102                                r.capabilities = V4L2_CAP_VIDEO_OUTPUT;
1103                                if (copy_to_user(argp, &r, sizeof(r)))
1104                                        return -EFAULT;
1105                                return 0;
1106
1107                        }
1108                case VIDIOC_QUERYCTRL:
1109                        {
1110                                struct v4l2_queryctrl qctrl;
1111                                int err;
1112
1113                                if (copy_from_user(&qctrl, argp, sizeof(qctrl)))
1114                                        return -EFAULT;
1115
1116                                down_read(&minfo->altout.lock);
1117                                if (!minfo->outputs[1].output) {
1118                                        err = -ENXIO;
1119                                } else if (minfo->outputs[1].output->getqueryctrl) {
1120                                        err = minfo->outputs[1].output->getqueryctrl(minfo->outputs[1].data, &qctrl);
1121                                } else {
1122                                        err = -EINVAL;
1123                                }
1124                                up_read(&minfo->altout.lock);
1125                                if (err >= 0 &&
1126                                    copy_to_user(argp, &qctrl, sizeof(qctrl)))
1127                                        return -EFAULT;
1128                                return err;
1129                        }
1130                case VIDIOC_G_CTRL:
1131                        {
1132                                struct v4l2_control ctrl;
1133                                int err;
1134
1135                                if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
1136                                        return -EFAULT;
1137
1138                                down_read(&minfo->altout.lock);
1139                                if (!minfo->outputs[1].output) {
1140                                        err = -ENXIO;
1141                                } else if (minfo->outputs[1].output->getctrl) {
1142                                        err = minfo->outputs[1].output->getctrl(minfo->outputs[1].data, &ctrl);
1143                                } else {
1144                                        err = -EINVAL;
1145                                }
1146                                up_read(&minfo->altout.lock);
1147                                if (err >= 0 &&
1148                                    copy_to_user(argp, &ctrl, sizeof(ctrl)))
1149                                        return -EFAULT;
1150                                return err;
1151                        }
1152                case VIDIOC_S_CTRL:
1153                        {
1154                                struct v4l2_control ctrl;
1155                                int err;
1156
1157                                if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
1158                                        return -EFAULT;
1159
1160                                down_read(&minfo->altout.lock);
1161                                if (!minfo->outputs[1].output) {
1162                                        err = -ENXIO;
1163                                } else if (minfo->outputs[1].output->setctrl) {
1164                                        err = minfo->outputs[1].output->setctrl(minfo->outputs[1].data, &ctrl);
1165                                } else {
1166                                        err = -EINVAL;
1167                                }
1168                                up_read(&minfo->altout.lock);
1169                                return err;
1170                        }
1171        }
1172        return -ENOTTY;
1173}
1174
1175/* 0 unblank, 1 blank, 2 no vsync, 3 no hsync, 4 off */
1176
1177static int matroxfb_blank(int blank, struct fb_info *info)
1178{
1179        int seq;
1180        int crtc;
1181        CRITFLAGS
1182        struct matrox_fb_info *minfo = info2minfo(info);
1183
1184        DBG(__func__)
1185
1186        if (minfo->dead)
1187                return 1;
1188
1189        switch (blank) {
1190        case FB_BLANK_NORMAL:  seq = 0x20; crtc = 0x00; break; /* works ??? */
1191        case FB_BLANK_VSYNC_SUSPEND:  seq = 0x20; crtc = 0x10; break;
1192        case FB_BLANK_HSYNC_SUSPEND:  seq = 0x20; crtc = 0x20; break;
1193        case FB_BLANK_POWERDOWN:  seq = 0x20; crtc = 0x30; break;
1194        default: seq = 0x00; crtc = 0x00; break;
1195        }
1196
1197        CRITBEGIN
1198
1199        mga_outb(M_SEQ_INDEX, 1);
1200        mga_outb(M_SEQ_DATA, (mga_inb(M_SEQ_DATA) & ~0x20) | seq);
1201        mga_outb(M_EXTVGA_INDEX, 1);
1202        mga_outb(M_EXTVGA_DATA, (mga_inb(M_EXTVGA_DATA) & ~0x30) | crtc);
1203
1204        CRITEND
1205        return 0;
1206}
1207
1208static struct fb_ops matroxfb_ops = {
1209        .owner =        THIS_MODULE,
1210        .fb_open =      matroxfb_open,
1211        .fb_release =   matroxfb_release,
1212        .fb_check_var = matroxfb_check_var,
1213        .fb_set_par =   matroxfb_set_par,
1214        .fb_setcolreg = matroxfb_setcolreg,
1215        .fb_pan_display =matroxfb_pan_display,
1216        .fb_blank =     matroxfb_blank,
1217        .fb_ioctl =     matroxfb_ioctl,
1218/*      .fb_fillrect =  <set by matrox_cfbX_init>, */
1219/*      .fb_copyarea =  <set by matrox_cfbX_init>, */
1220/*      .fb_imageblit = <set by matrox_cfbX_init>, */
1221/*      .fb_cursor =    <set by matrox_cfbX_init>, */
1222};
1223
1224#define RSDepth(X)      (((X) >> 8) & 0x0F)
1225#define RS8bpp          0x1
1226#define RS15bpp         0x2
1227#define RS16bpp         0x3
1228#define RS32bpp         0x4
1229#define RS4bpp          0x5
1230#define RS24bpp         0x6
1231#define RSText          0x7
1232#define RSText8         0x8
1233/* 9-F */
1234static struct { struct fb_bitfield red, green, blue, transp; int bits_per_pixel; } colors[] = {
1235        { {  0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, {  0, 0, 0},  8 },
1236        { { 10, 5, 0}, { 5, 5, 0}, { 0, 5, 0}, { 15, 1, 0}, 16 },
1237        { { 11, 5, 0}, { 5, 6, 0}, { 0, 5, 0}, {  0, 0, 0}, 16 },
1238        { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, { 24, 8, 0}, 32 },
1239        { {  0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, {  0, 0, 0},  4 },
1240        { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, {  0, 0, 0}, 24 },
1241        { {  0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, {  0, 0, 0},  0 },       /* textmode with (default) VGA8x16 */
1242        { {  0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, {  0, 0, 0},  0 },       /* textmode hardwired to VGA8x8 */
1243};
1244
1245/* initialized by setup, see explanation at end of file (search for MODULE_PARM_DESC) */
1246static unsigned int mem;                /* "matroxfb:mem:xxxxxM" */
1247static int option_precise_width = 1;    /* cannot be changed, option_precise_width==0 must imply noaccel */
1248static int inv24;                       /* "matroxfb:inv24" */
1249static int cross4MB = -1;               /* "matroxfb:cross4MB" */
1250static int disabled;                    /* "matroxfb:disabled" */
1251static int noaccel;                     /* "matroxfb:noaccel" */
1252static int nopan;                       /* "matroxfb:nopan" */
1253static int no_pci_retry;                /* "matroxfb:nopciretry" */
1254static int novga;                       /* "matroxfb:novga" */
1255static int nobios;                      /* "matroxfb:nobios" */
1256static int noinit = 1;                  /* "matroxfb:init" */
1257static int inverse;                     /* "matroxfb:inverse" */
1258static int sgram;                       /* "matroxfb:sgram" */
1259#ifdef CONFIG_MTRR
1260static int mtrr = 1;                    /* "matroxfb:nomtrr" */
1261#endif
1262static int grayscale;                   /* "matroxfb:grayscale" */
1263static int dev = -1;                    /* "matroxfb:dev:xxxxx" */
1264static unsigned int vesa = ~0;          /* "matroxfb:vesa:xxxxx" */
1265static int depth = -1;                  /* "matroxfb:depth:xxxxx" */
1266static unsigned int xres;               /* "matroxfb:xres:xxxxx" */
1267static unsigned int yres;               /* "matroxfb:yres:xxxxx" */
1268static unsigned int upper = ~0;         /* "matroxfb:upper:xxxxx" */
1269static unsigned int lower = ~0;         /* "matroxfb:lower:xxxxx" */
1270static unsigned int vslen;              /* "matroxfb:vslen:xxxxx" */
1271static unsigned int left = ~0;          /* "matroxfb:left:xxxxx" */
1272static unsigned int right = ~0;         /* "matroxfb:right:xxxxx" */
1273static unsigned int hslen;              /* "matroxfb:hslen:xxxxx" */
1274static unsigned int pixclock;           /* "matroxfb:pixclock:xxxxx" */
1275static int sync = -1;                   /* "matroxfb:sync:xxxxx" */
1276static unsigned int fv;                 /* "matroxfb:fv:xxxxx" */
1277static unsigned int fh;                 /* "matroxfb:fh:xxxxxk" */
1278static unsigned int maxclk;             /* "matroxfb:maxclk:xxxxM" */
1279static int dfp;                         /* "matroxfb:dfp */
1280static int dfp_type = -1;               /* "matroxfb:dfp:xxx */
1281static int memtype = -1;                /* "matroxfb:memtype:xxx" */
1282static char outputs[8];                 /* "matroxfb:outputs:xxx" */
1283
1284#ifndef MODULE
1285static char videomode[64];              /* "matroxfb:mode:xxxxx" or "matroxfb:xxxxx" */
1286#endif
1287
1288static int matroxfb_getmemory(struct matrox_fb_info *minfo,
1289                              unsigned int maxSize, unsigned int *realSize)
1290{
1291        vaddr_t vm;
1292        unsigned int offs;
1293        unsigned int offs2;
1294        unsigned char orig;
1295        unsigned char bytes[32];
1296        unsigned char* tmp;
1297
1298        DBG(__func__)
1299
1300        vm = minfo->video.vbase;
1301        maxSize &= ~0x1FFFFF;   /* must be X*2MB (really it must be 2 or X*4MB) */
1302        /* at least 2MB */
1303        if (maxSize < 0x0200000) return 0;
1304        if (maxSize > 0x2000000) maxSize = 0x2000000;
1305
1306        mga_outb(M_EXTVGA_INDEX, 0x03);
1307        orig = mga_inb(M_EXTVGA_DATA);
1308        mga_outb(M_EXTVGA_DATA, orig | 0x80);
1309
1310        tmp = bytes;
1311        for (offs = 0x100000; offs < maxSize; offs += 0x200000)
1312                *tmp++ = mga_readb(vm, offs);
1313        for (offs = 0x100000; offs < maxSize; offs += 0x200000)
1314                mga_writeb(vm, offs, 0x02);
1315        mga_outb(M_CACHEFLUSH, 0x00);
1316        for (offs = 0x100000; offs < maxSize; offs += 0x200000) {
1317                if (mga_readb(vm, offs) != 0x02)
1318                        break;
1319                mga_writeb(vm, offs, mga_readb(vm, offs) - 0x02);
1320                if (mga_readb(vm, offs))
1321                        break;
1322        }
1323        tmp = bytes;
1324        for (offs2 = 0x100000; offs2 < maxSize; offs2 += 0x200000)
1325                mga_writeb(vm, offs2, *tmp++);
1326
1327        mga_outb(M_EXTVGA_INDEX, 0x03);
1328        mga_outb(M_EXTVGA_DATA, orig);
1329
1330        *realSize = offs - 0x100000;
1331#ifdef CONFIG_FB_MATROX_MILLENIUM
1332        minfo->interleave = !(!isMillenium(minfo) || ((offs - 0x100000) & 0x3FFFFF));
1333#endif
1334        return 1;
1335}
1336
1337struct video_board {
1338        int maxvram;
1339        int maxdisplayable;
1340        int accelID;
1341        struct matrox_switch* lowlevel;
1342                 };
1343#ifdef CONFIG_FB_MATROX_MILLENIUM
1344static struct video_board vbMillennium = {
1345        .maxvram = 0x0800000,
1346        .maxdisplayable = 0x0800000,
1347        .accelID = FB_ACCEL_MATROX_MGA2064W,
1348        .lowlevel = &matrox_millennium
1349};
1350
1351static struct video_board vbMillennium2 = {
1352        .maxvram = 0x1000000,
1353        .maxdisplayable = 0x0800000,
1354        .accelID = FB_ACCEL_MATROX_MGA2164W,
1355        .lowlevel = &matrox_millennium
1356};
1357
1358static struct video_board vbMillennium2A = {
1359        .maxvram = 0x1000000,
1360        .maxdisplayable = 0x0800000,
1361        .accelID = FB_ACCEL_MATROX_MGA2164W_AGP,
1362        .lowlevel = &matrox_millennium
1363};
1364#endif  /* CONFIG_FB_MATROX_MILLENIUM */
1365#ifdef CONFIG_FB_MATROX_MYSTIQUE
1366static struct video_board vbMystique = {
1367        .maxvram = 0x0800000,
1368        .maxdisplayable = 0x0800000,
1369        .accelID = FB_ACCEL_MATROX_MGA1064SG,
1370        .lowlevel = &matrox_mystique
1371};
1372#endif  /* CONFIG_FB_MATROX_MYSTIQUE */
1373#ifdef CONFIG_FB_MATROX_G
1374static struct video_board vbG100 = {
1375        .maxvram = 0x0800000,
1376        .maxdisplayable = 0x0800000,
1377        .accelID = FB_ACCEL_MATROX_MGAG100,
1378        .lowlevel = &matrox_G100
1379};
1380
1381static struct video_board vbG200 = {
1382        .maxvram = 0x1000000,
1383        .maxdisplayable = 0x1000000,
1384        .accelID = FB_ACCEL_MATROX_MGAG200,
1385        .lowlevel = &matrox_G100
1386};
1387/* from doc it looks like that accelerator can draw only to low 16MB :-( Direct accesses & displaying are OK for
1388   whole 32MB */
1389static struct video_board vbG400 = {
1390        .maxvram = 0x2000000,
1391        .maxdisplayable = 0x1000000,
1392        .accelID = FB_ACCEL_MATROX_MGAG400,
1393        .lowlevel = &matrox_G100
1394};
1395#endif
1396
1397#define DEVF_VIDEO64BIT         0x0001
1398#define DEVF_SWAPS              0x0002
1399#define DEVF_SRCORG             0x0004
1400#define DEVF_DUALHEAD           0x0008
1401#define DEVF_CROSS4MB           0x0010
1402#define DEVF_TEXT4B             0x0020
1403/* #define DEVF_recycled        0x0040  */
1404/* #define DEVF_recycled        0x0080  */
1405#define DEVF_SUPPORT32MB        0x0100
1406#define DEVF_ANY_VXRES          0x0200
1407#define DEVF_TEXT16B            0x0400
1408#define DEVF_CRTC2              0x0800
1409#define DEVF_MAVEN_CAPABLE      0x1000
1410#define DEVF_PANELLINK_CAPABLE  0x2000
1411#define DEVF_G450DAC            0x4000
1412
1413#define DEVF_GCORE      (DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB)
1414#define DEVF_G2CORE     (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_MAVEN_CAPABLE | DEVF_PANELLINK_CAPABLE | DEVF_SRCORG | DEVF_DUALHEAD)
1415#define DEVF_G100       (DEVF_GCORE) /* no doc, no vxres... */
1416#define DEVF_G200       (DEVF_G2CORE)
1417#define DEVF_G400       (DEVF_G2CORE | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2)
1418/* if you'll find how to drive DFP... */
1419#define DEVF_G450       (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2 | DEVF_G450DAC | DEVF_SRCORG | DEVF_DUALHEAD)
1420#define DEVF_G550       (DEVF_G450)
1421
1422static struct board {
1423        unsigned short vendor, device, rev, svid, sid;
1424        unsigned int flags;
1425        unsigned int maxclk;
1426        enum mga_chip chip;
1427        struct video_board* base;
1428        const char* name;
1429                } dev_list[] = {
1430#ifdef CONFIG_FB_MATROX_MILLENIUM
1431        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL,       0xFF,
1432                0,                      0,
1433                DEVF_TEXT4B,
1434                230000,
1435                MGA_2064,
1436                &vbMillennium,
1437                "Millennium (PCI)"},
1438        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2,     0xFF,
1439                0,                      0,
1440                DEVF_SWAPS,
1441                220000,
1442                MGA_2164,
1443                &vbMillennium2,
1444                "Millennium II (PCI)"},
1445        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2_AGP, 0xFF,
1446                0,                      0,
1447                DEVF_SWAPS,
1448                250000,
1449                MGA_2164,
1450                &vbMillennium2A,
1451                "Millennium II (AGP)"},
1452#endif
1453#ifdef CONFIG_FB_MATROX_MYSTIQUE
1454        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,       0x02,
1455                0,                      0,
1456                DEVF_VIDEO64BIT | DEVF_CROSS4MB,
1457                180000,
1458                MGA_1064,
1459                &vbMystique,
1460                "Mystique (PCI)"},
1461        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,       0xFF,
1462                0,                      0,
1463                DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB,
1464                220000,
1465                MGA_1164,
1466                &vbMystique,
1467                "Mystique 220 (PCI)"},
1468        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS_AGP,   0x02,
1469                0,                      0,
1470                DEVF_VIDEO64BIT | DEVF_CROSS4MB,
1471                180000,
1472                MGA_1064,
1473                &vbMystique,
1474                "Mystique (AGP)"},
1475        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS_AGP,   0xFF,
1476                0,                      0,
1477                DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB,
1478                220000,
1479                MGA_1164,
1480                &vbMystique,
1481                "Mystique 220 (AGP)"},
1482#endif
1483#ifdef CONFIG_FB_MATROX_G
1484        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_MM,   0xFF,
1485                0,                      0,
1486                DEVF_G100,
1487                230000,
1488                MGA_G100,
1489                &vbG100,
1490                "MGA-G100 (PCI)"},
1491        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_AGP,  0xFF,
1492                0,                      0,
1493                DEVF_G100,
1494                230000,
1495                MGA_G100,
1496                &vbG100,
1497                "MGA-G100 (AGP)"},
1498        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_PCI,  0xFF,
1499                0,                      0,
1500                DEVF_G200,
1501                250000,
1502                MGA_G200,
1503                &vbG200,
1504                "MGA-G200 (PCI)"},
1505        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1506                PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_GENERIC,
1507                DEVF_G200,
1508                220000,
1509                MGA_G200,
1510                &vbG200,
1511                "MGA-G200 (AGP)"},
1512        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1513                PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MYSTIQUE_G200_AGP,
1514                DEVF_G200,
1515                230000,
1516                MGA_G200,
1517                &vbG200,
1518                "Mystique G200 (AGP)"},
1519        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1520                PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MILLENIUM_G200_AGP,
1521                DEVF_G200,
1522                250000,
1523                MGA_G200,
1524                &vbG200,
1525                "Millennium G200 (AGP)"},
1526        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1527                PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MARVEL_G200_AGP,
1528                DEVF_G200,
1529                230000,
1530                MGA_G200,
1531                &vbG200,
1532                "Marvel G200 (AGP)"},
1533        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1534                PCI_SS_VENDOR_ID_SIEMENS_NIXDORF,       PCI_SS_ID_SIEMENS_MGA_G200_AGP,
1535                DEVF_G200,
1536                230000,
1537                MGA_G200,
1538                &vbG200,
1539                "MGA-G200 (AGP)"},
1540        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1541                0,                      0,
1542                DEVF_G200,
1543                230000,
1544                MGA_G200,
1545                &vbG200,
1546                "G200 (AGP)"},
1547        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0x80,
1548                PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MILLENNIUM_G400_MAX_AGP,
1549                DEVF_G400,
1550                360000,
1551                MGA_G400,
1552                &vbG400,
1553                "Millennium G400 MAX (AGP)"},
1554        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0x80,
1555                0,                      0,
1556                DEVF_G400,
1557                300000,
1558                MGA_G400,
1559                &vbG400,
1560                "G400 (AGP)"},
1561        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0xFF,
1562                0,                      0,
1563                DEVF_G450,
1564                360000,
1565                MGA_G450,
1566                &vbG400,
1567                "G450"},
1568        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G550,      0xFF,
1569                0,                      0,
1570                DEVF_G550,
1571                360000,
1572                MGA_G550,
1573                &vbG400,
1574                "G550"},
1575#endif
1576        {0,                     0,                              0xFF,
1577                0,                      0,
1578                0,
1579                0,
1580                0,
1581                NULL,
1582                NULL}};
1583
1584#ifndef MODULE
1585static struct fb_videomode defaultmode = {
1586        /* 640x480 @ 60Hz, 31.5 kHz */
1587        NULL, 60, 640, 480, 39721, 40, 24, 32, 11, 96, 2,
1588        0, FB_VMODE_NONINTERLACED
1589};
1590#endif /* !MODULE */
1591
1592static int hotplug = 0;
1593
1594static void setDefaultOutputs(struct matrox_fb_info *minfo)
1595{
1596        unsigned int i;
1597        const char* ptr;
1598
1599        minfo->outputs[0].default_src = MATROXFB_SRC_CRTC1;
1600        if (minfo->devflags.g450dac) {
1601                minfo->outputs[1].default_src = MATROXFB_SRC_CRTC1;
1602                minfo->outputs[2].default_src = MATROXFB_SRC_CRTC1;
1603        } else if (dfp) {
1604                minfo->outputs[2].default_src = MATROXFB_SRC_CRTC1;
1605        }
1606        ptr = outputs;
1607        for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1608                char c = *ptr++;
1609
1610                if (c == 0) {
1611                        break;
1612                }
1613                if (c == '0') {
1614                        minfo->outputs[i].default_src = MATROXFB_SRC_NONE;
1615                } else if (c == '1') {
1616                        minfo->outputs[i].default_src = MATROXFB_SRC_CRTC1;
1617                } else if (c == '2' && minfo->devflags.crtc2) {
1618                        minfo->outputs[i].default_src = MATROXFB_SRC_CRTC2;
1619                } else {
1620                        printk(KERN_ERR "matroxfb: Unknown outputs setting\n");
1621                        break;
1622                }
1623        }
1624        /* Nullify this option for subsequent adapters */
1625        outputs[0] = 0;
1626}
1627
1628static int initMatrox2(struct matrox_fb_info *minfo, struct board *b)
1629{
1630        unsigned long ctrlptr_phys = 0;
1631        unsigned long video_base_phys = 0;
1632        unsigned int memsize;
1633        int err;
1634
1635        static struct pci_device_id intel_82437[] = {
1636                { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82437) },
1637                { },
1638        };
1639
1640        DBG(__func__)
1641
1642        /* set default values... */
1643        vesafb_defined.accel_flags = FB_ACCELF_TEXT;
1644
1645        minfo->hw_switch = b->base->lowlevel;
1646        minfo->devflags.accelerator = b->base->accelID;
1647        minfo->max_pixel_clock = b->maxclk;
1648
1649        printk(KERN_INFO "matroxfb: Matrox %s detected\n", b->name);
1650        minfo->capable.plnwt = 1;
1651        minfo->chip = b->chip;
1652        minfo->capable.srcorg = b->flags & DEVF_SRCORG;
1653        minfo->devflags.video64bits = b->flags & DEVF_VIDEO64BIT;
1654        if (b->flags & DEVF_TEXT4B) {
1655                minfo->devflags.vgastep = 4;
1656                minfo->devflags.textmode = 4;
1657                minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP16;
1658        } else if (b->flags & DEVF_TEXT16B) {
1659                minfo->devflags.vgastep = 16;
1660                minfo->devflags.textmode = 1;
1661                minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP16;
1662        } else {
1663                minfo->devflags.vgastep = 8;
1664                minfo->devflags.textmode = 1;
1665                minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP8;
1666        }
1667        minfo->devflags.support32MB = (b->flags & DEVF_SUPPORT32MB) != 0;
1668        minfo->devflags.precise_width = !(b->flags & DEVF_ANY_VXRES);
1669        minfo->devflags.crtc2 = (b->flags & DEVF_CRTC2) != 0;
1670        minfo->devflags.maven_capable = (b->flags & DEVF_MAVEN_CAPABLE) != 0;
1671        minfo->devflags.dualhead = (b->flags & DEVF_DUALHEAD) != 0;
1672        minfo->devflags.dfp_type = dfp_type;
1673        minfo->devflags.g450dac = (b->flags & DEVF_G450DAC) != 0;
1674        minfo->devflags.textstep = minfo->devflags.vgastep * minfo->devflags.textmode;
1675        minfo->devflags.textvram = 65536 / minfo->devflags.textmode;
1676        setDefaultOutputs(minfo);
1677        if (b->flags & DEVF_PANELLINK_CAPABLE) {
1678                minfo->outputs[2].data = minfo;
1679                minfo->outputs[2].output = &panellink_output;
1680                minfo->outputs[2].src = minfo->outputs[2].default_src;
1681                minfo->outputs[2].mode = MATROXFB_OUTPUT_MODE_MONITOR;
1682                minfo->devflags.panellink = 1;
1683        }
1684
1685        if (minfo->capable.cross4MB < 0)
1686                minfo->capable.cross4MB = b->flags & DEVF_CROSS4MB;
1687        if (b->flags & DEVF_SWAPS) {
1688                ctrlptr_phys = pci_resource_start(minfo->pcidev, 1);
1689                video_base_phys = pci_resource_start(minfo->pcidev, 0);
1690                minfo->devflags.fbResource = PCI_BASE_ADDRESS_0;
1691        } else {
1692                ctrlptr_phys = pci_resource_start(minfo->pcidev, 0);
1693                video_base_phys = pci_resource_start(minfo->pcidev, 1);
1694                minfo->devflags.fbResource = PCI_BASE_ADDRESS_1;
1695        }
1696        err = -EINVAL;
1697        if (!ctrlptr_phys) {
1698                printk(KERN_ERR "matroxfb: control registers are not available, matroxfb disabled\n");
1699                goto fail;
1700        }
1701        if (!video_base_phys) {
1702                printk(KERN_ERR "matroxfb: video RAM is not available in PCI address space, matroxfb disabled\n");
1703                goto fail;
1704        }
1705        memsize = b->base->maxvram;
1706        if (!request_mem_region(ctrlptr_phys, 16384, "matroxfb MMIO")) {
1707                goto fail;
1708        }
1709        if (!request_mem_region(video_base_phys, memsize, "matroxfb FB")) {
1710                goto failCtrlMR;
1711        }
1712        minfo->video.len_maximum = memsize;
1713        /* convert mem (autodetect k, M) */
1714        if (mem < 1024) mem *= 1024;
1715        if (mem < 0x00100000) mem *= 1024;
1716
1717        if (mem && (mem < memsize))
1718                memsize = mem;
1719        err = -ENOMEM;
1720        if (mga_ioremap(ctrlptr_phys, 16384, MGA_IOREMAP_MMIO, &minfo->mmio.vbase)) {
1721                printk(KERN_ERR "matroxfb: cannot ioremap(%lX, 16384), matroxfb disabled\n", ctrlptr_phys);
1722                goto failVideoMR;
1723        }
1724        minfo->mmio.base = ctrlptr_phys;
1725        minfo->mmio.len = 16384;
1726        minfo->video.base = video_base_phys;
1727        if (mga_ioremap(video_base_phys, memsize, MGA_IOREMAP_FB, &minfo->video.vbase)) {
1728                printk(KERN_ERR "matroxfb: cannot ioremap(%lX, %d), matroxfb disabled\n",
1729                        video_base_phys, memsize);
1730                goto failCtrlIO;
1731        }
1732        {
1733                u_int32_t cmd;
1734                u_int32_t mga_option;
1735
1736                pci_read_config_dword(minfo->pcidev, PCI_OPTION_REG, &mga_option);
1737                pci_read_config_dword(minfo->pcidev, PCI_COMMAND, &cmd);
1738                mga_option &= 0x7FFFFFFF; /* clear BIG_ENDIAN */
1739                mga_option |= MX_OPTION_BSWAP;
1740                /* disable palette snooping */
1741                cmd &= ~PCI_COMMAND_VGA_PALETTE;
1742                if (pci_dev_present(intel_82437)) {
1743                        if (!(mga_option & 0x20000000) && !minfo->devflags.nopciretry) {
1744                                printk(KERN_WARNING "matroxfb: Disabling PCI retries due to i82437 present\n");
1745                        }
1746                        mga_option |= 0x20000000;
1747                        minfo->devflags.nopciretry = 1;
1748                }
1749                pci_write_config_dword(minfo->pcidev, PCI_COMMAND, cmd);
1750                pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, mga_option);
1751                minfo->hw.MXoptionReg = mga_option;
1752
1753                /* select non-DMA memory for PCI_MGA_DATA, otherwise dump of PCI cfg space can lock PCI bus */
1754                /* maybe preinit() candidate, but it is same... for all devices... at this time... */
1755                pci_write_config_dword(minfo->pcidev, PCI_MGA_INDEX, 0x00003C00);
1756        }
1757
1758        err = -ENXIO;
1759        matroxfb_read_pins(minfo);
1760        if (minfo->hw_switch->preinit(minfo)) {
1761                goto failVideoIO;
1762        }
1763
1764        err = -ENOMEM;
1765        if (!matroxfb_getmemory(minfo, memsize, &minfo->video.len) || !minfo->video.len) {
1766                printk(KERN_ERR "matroxfb: cannot determine memory size\n");
1767                goto failVideoIO;
1768        }
1769        minfo->devflags.ydstorg = 0;
1770
1771        minfo->video.base = video_base_phys;
1772        minfo->video.len_usable = minfo->video.len;
1773        if (minfo->video.len_usable > b->base->maxdisplayable)
1774                minfo->video.len_usable = b->base->maxdisplayable;
1775#ifdef CONFIG_MTRR
1776        if (mtrr) {
1777                minfo->mtrr.vram = mtrr_add(video_base_phys, minfo->video.len, MTRR_TYPE_WRCOMB, 1);
1778                minfo->mtrr.vram_valid = 1;
1779                printk(KERN_INFO "matroxfb: MTRR's turned on\n");
1780        }
1781#endif  /* CONFIG_MTRR */
1782
1783        if (!minfo->devflags.novga)
1784                request_region(0x3C0, 32, "matrox");
1785        matroxfb_g450_connect(minfo);
1786        minfo->hw_switch->reset(minfo);
1787
1788        minfo->fbcon.monspecs.hfmin = 0;
1789        minfo->fbcon.monspecs.hfmax = fh;
1790        minfo->fbcon.monspecs.vfmin = 0;
1791        minfo->fbcon.monspecs.vfmax = fv;
1792        minfo->fbcon.monspecs.dpms = 0; /* TBD */
1793
1794        /* static settings */
1795        vesafb_defined.red = colors[depth-1].red;
1796        vesafb_defined.green = colors[depth-1].green;
1797        vesafb_defined.blue = colors[depth-1].blue;
1798        vesafb_defined.bits_per_pixel = colors[depth-1].bits_per_pixel;
1799        vesafb_defined.grayscale = grayscale;
1800        vesafb_defined.vmode = 0;
1801        if (noaccel)
1802                vesafb_defined.accel_flags &= ~FB_ACCELF_TEXT;
1803
1804        minfo->fbops = matroxfb_ops;
1805        minfo->fbcon.fbops = &minfo->fbops;
1806        minfo->fbcon.pseudo_palette = minfo->cmap;
1807        /* after __init time we are like module... no logo */
1808        minfo->fbcon.flags = hotplug ? FBINFO_FLAG_MODULE : FBINFO_FLAG_DEFAULT;
1809        minfo->fbcon.flags |= FBINFO_PARTIAL_PAN_OK |    /* Prefer panning for scroll under MC viewer/edit */
1810                                      FBINFO_HWACCEL_COPYAREA |  /* We have hw-assisted bmove */
1811                                      FBINFO_HWACCEL_FILLRECT |  /* And fillrect */
1812                                      FBINFO_HWACCEL_IMAGEBLIT | /* And imageblit */
1813                                      FBINFO_HWACCEL_XPAN |      /* And we support both horizontal */
1814                                      FBINFO_HWACCEL_YPAN |      /* And vertical panning */
1815                                      FBINFO_READS_FAST;
1816        minfo->video.len_usable &= PAGE_MASK;
1817        fb_alloc_cmap(&minfo->fbcon.cmap, 256, 1);
1818
1819#ifndef MODULE
1820        /* mode database is marked __init!!! */
1821        if (!hotplug) {
1822                fb_find_mode(&vesafb_defined, &minfo->fbcon, videomode[0] ? videomode : NULL,
1823                        NULL, 0, &defaultmode, vesafb_defined.bits_per_pixel);
1824        }
1825#endif /* !MODULE */
1826
1827        /* mode modifiers */
1828        if (hslen)
1829                vesafb_defined.hsync_len = hslen;
1830        if (vslen)
1831                vesafb_defined.vsync_len = vslen;
1832        if (left != ~0)
1833                vesafb_defined.left_margin = left;
1834        if (right != ~0)
1835                vesafb_defined.right_margin = right;
1836        if (upper != ~0)
1837                vesafb_defined.upper_margin = upper;
1838        if (lower != ~0)
1839                vesafb_defined.lower_margin = lower;
1840        if (xres)
1841                vesafb_defined.xres = xres;
1842        if (yres)
1843                vesafb_defined.yres = yres;
1844        if (sync != -1)
1845                vesafb_defined.sync = sync;
1846        else if (vesafb_defined.sync == ~0) {
1847                vesafb_defined.sync = 0;
1848                if (yres < 400)
1849                        vesafb_defined.sync |= FB_SYNC_HOR_HIGH_ACT;
1850                else if (yres < 480)
1851                        vesafb_defined.sync |= FB_SYNC_VERT_HIGH_ACT;
1852        }
1853
1854        /* fv, fh, maxclk limits was specified */
1855        {
1856                unsigned int tmp;
1857
1858                if (fv) {
1859                        tmp = fv * (vesafb_defined.upper_margin + vesafb_defined.yres
1860                                  + vesafb_defined.lower_margin + vesafb_defined.vsync_len);
1861                        if ((tmp < fh) || (fh == 0)) fh = tmp;
1862                }
1863                if (fh) {
1864                        tmp = fh * (vesafb_defined.left_margin + vesafb_defined.xres
1865                                  + vesafb_defined.right_margin + vesafb_defined.hsync_len);
1866                        if ((tmp < maxclk) || (maxclk == 0)) maxclk = tmp;
1867                }
1868                tmp = (maxclk + 499) / 500;
1869                if (tmp) {
1870                        tmp = (2000000000 + tmp) / tmp;
1871                        if (tmp > pixclock) pixclock = tmp;
1872                }
1873        }
1874        if (pixclock) {
1875                if (pixclock < 2000)            /* > 500MHz */
1876                        pixclock = 4000;        /* 250MHz */
1877                if (pixclock > 1000000)
1878                        pixclock = 1000000;     /* 1MHz */
1879                vesafb_defined.pixclock = pixclock;
1880        }
1881
1882        /* FIXME: Where to move this?! */
1883#if defined(CONFIG_PPC_PMAC)
1884#ifndef MODULE
1885        if (machine_is(powermac)) {
1886                struct fb_var_screeninfo var;
1887                if (default_vmode <= 0 || default_vmode > VMODE_MAX)
1888                        default_vmode = VMODE_640_480_60;
1889#ifdef CONFIG_NVRAM
1890                if (default_cmode == CMODE_NVRAM)
1891                        default_cmode = nvram_read_byte(NV_CMODE);
1892#endif
1893                if (default_cmode < CMODE_8 || default_cmode > CMODE_32)
1894                        default_cmode = CMODE_8;
1895                if (!mac_vmode_to_var(default_vmode, default_cmode, &var)) {
1896                        var.accel_flags = vesafb_defined.accel_flags;
1897                        var.xoffset = var.yoffset = 0;
1898                        /* Note: mac_vmode_to_var() does not set all parameters */
1899                        vesafb_defined = var;
1900                }
1901        }
1902#endif /* !MODULE */
1903#endif /* CONFIG_PPC_PMAC */
1904        vesafb_defined.xres_virtual = vesafb_defined.xres;
1905        if (nopan) {
1906                vesafb_defined.yres_virtual = vesafb_defined.yres;
1907        } else {
1908                vesafb_defined.yres_virtual = 65536; /* large enough to be INF, but small enough
1909                                                        to yres_virtual * xres_virtual < 2^32 */
1910        }
1911        matroxfb_init_fix(minfo);
1912        minfo->fbcon.screen_base = vaddr_va(minfo->video.vbase);
1913        /* Normalize values (namely yres_virtual) */
1914        matroxfb_check_var(&vesafb_defined, &minfo->fbcon);
1915        /* And put it into "current" var. Do NOT program hardware yet, or we'll not take over
1916         * vgacon correctly. fbcon_startup will call fb_set_par for us, WITHOUT check_var,
1917         * and unfortunately it will do it BEFORE vgacon contents is saved, so it won't work
1918         * anyway. But we at least tried... */
1919        minfo->fbcon.var = vesafb_defined;
1920        err = -EINVAL;
1921
1922        printk(KERN_INFO "matroxfb: %dx%dx%dbpp (virtual: %dx%d)\n",
1923                vesafb_defined.xres, vesafb_defined.yres, vesafb_defined.bits_per_pixel,
1924                vesafb_defined.xres_virtual, vesafb_defined.yres_virtual);
1925        printk(KERN_INFO "matroxfb: framebuffer at 0x%lX, mapped to 0x%p, size %d\n",
1926                minfo->video.base, vaddr_va(minfo->video.vbase), minfo->video.len);
1927
1928/* We do not have to set currcon to 0... register_framebuffer do it for us on first console
1929 * and we do not want currcon == 0 for subsequent framebuffers */
1930
1931        minfo->fbcon.device = &minfo->pcidev->dev;
1932        if (register_framebuffer(&minfo->fbcon) < 0) {
1933                goto failVideoIO;
1934        }
1935        fb_info(&minfo->fbcon, "%s frame buffer device\n", minfo->fbcon.fix.id);
1936
1937        /* there is no console on this fb... but we have to initialize hardware
1938         * until someone tells me what is proper thing to do */
1939        if (!minfo->initialized) {
1940                fb_info(&minfo->fbcon, "initializing hardware\n");
1941                /* We have to use FB_ACTIVATE_FORCE, as we had to put vesafb_defined to the fbcon.var
1942                 * already before, so register_framebuffer works correctly. */
1943                vesafb_defined.activate |= FB_ACTIVATE_FORCE;
1944                fb_set_var(&minfo->fbcon, &vesafb_defined);
1945        }
1946
1947        return 0;
1948failVideoIO:;
1949        matroxfb_g450_shutdown(minfo);
1950        mga_iounmap(minfo->video.vbase);
1951failCtrlIO:;
1952        mga_iounmap(minfo->mmio.vbase);
1953failVideoMR:;
1954        release_mem_region(video_base_phys, minfo->video.len_maximum);
1955failCtrlMR:;
1956        release_mem_region(ctrlptr_phys, 16384);
1957fail:;
1958        return err;
1959}
1960
1961static LIST_HEAD(matroxfb_list);
1962static LIST_HEAD(matroxfb_driver_list);
1963
1964#define matroxfb_l(x) list_entry(x, struct matrox_fb_info, next_fb)
1965#define matroxfb_driver_l(x) list_entry(x, struct matroxfb_driver, node)
1966int matroxfb_register_driver(struct matroxfb_driver* drv) {
1967        struct matrox_fb_info* minfo;
1968
1969        list_add(&drv->node, &matroxfb_driver_list);
1970        for (minfo = matroxfb_l(matroxfb_list.next);
1971             minfo != matroxfb_l(&matroxfb_list);
1972             minfo = matroxfb_l(minfo->next_fb.next)) {
1973                void* p;
1974
1975                if (minfo->drivers_count == MATROXFB_MAX_FB_DRIVERS)
1976                        continue;
1977                p = drv->probe(minfo);
1978                if (p) {
1979                        minfo->drivers_data[minfo->drivers_count] = p;
1980                        minfo->drivers[minfo->drivers_count++] = drv;
1981                }
1982        }
1983        return 0;
1984}
1985
1986void matroxfb_unregister_driver(struct matroxfb_driver* drv) {
1987        struct matrox_fb_info* minfo;
1988
1989        list_del(&drv->node);
1990        for (minfo = matroxfb_l(matroxfb_list.next);
1991             minfo != matroxfb_l(&matroxfb_list);
1992             minfo = matroxfb_l(minfo->next_fb.next)) {
1993                int i;
1994
1995                for (i = 0; i < minfo->drivers_count; ) {
1996                        if (minfo->drivers[i] == drv) {
1997                                if (drv && drv->remove)
1998                                        drv->remove(minfo, minfo->drivers_data[i]);
1999                                minfo->drivers[i] = minfo->drivers[--minfo->drivers_count];
2000                                minfo->drivers_data[i] = minfo->drivers_data[minfo->drivers_count];
2001                        } else
2002                                i++;
2003                }
2004        }
2005}
2006
2007static void matroxfb_register_device(struct matrox_fb_info* minfo) {
2008        struct matroxfb_driver* drv;
2009        int i = 0;
2010        list_add(&minfo->next_fb, &matroxfb_list);
2011        for (drv = matroxfb_driver_l(matroxfb_driver_list.next);
2012             drv != matroxfb_driver_l(&matroxfb_driver_list);
2013             drv = matroxfb_driver_l(drv->node.next)) {
2014                if (drv && drv->probe) {
2015                        void *p = drv->probe(minfo);
2016                        if (p) {
2017                                minfo->drivers_data[i] = p;
2018                                minfo->drivers[i++] = drv;
2019                                if (i == MATROXFB_MAX_FB_DRIVERS)
2020                                        break;
2021                        }
2022                }
2023        }
2024        minfo->drivers_count = i;
2025}
2026
2027static void matroxfb_unregister_device(struct matrox_fb_info* minfo) {
2028        int i;
2029
2030        list_del(&minfo->next_fb);
2031        for (i = 0; i < minfo->drivers_count; i++) {
2032                struct matroxfb_driver* drv = minfo->drivers[i];
2033
2034                if (drv && drv->remove)
2035                        drv->remove(minfo, minfo->drivers_data[i]);
2036        }
2037}
2038
2039static int matroxfb_probe(struct pci_dev* pdev, const struct pci_device_id* dummy) {
2040        struct board* b;
2041        u_int16_t svid;
2042        u_int16_t sid;
2043        struct matrox_fb_info* minfo;
2044        int err;
2045        u_int32_t cmd;
2046        DBG(__func__)
2047
2048        svid = pdev->subsystem_vendor;
2049        sid = pdev->subsystem_device;
2050        for (b = dev_list; b->vendor; b++) {
2051                if ((b->vendor != pdev->vendor) || (b->device != pdev->device) || (b->rev < pdev->revision)) continue;
2052                if (b->svid)
2053                        if ((b->svid != svid) || (b->sid != sid)) continue;
2054                break;
2055        }
2056        /* not match... */
2057        if (!b->vendor)
2058                return -ENODEV;
2059        if (dev > 0) {
2060                /* not requested one... */
2061                dev--;
2062                return -ENODEV;
2063        }
2064        pci_read_config_dword(pdev, PCI_COMMAND, &cmd);
2065        if (pci_enable_device(pdev)) {
2066                return -1;
2067        }
2068
2069        minfo = kzalloc(sizeof(*minfo), GFP_KERNEL);
2070        if (!minfo)
2071                return -1;
2072
2073        minfo->pcidev = pdev;
2074        minfo->dead = 0;
2075        minfo->usecount = 0;
2076        minfo->userusecount = 0;
2077
2078        pci_set_drvdata(pdev, minfo);
2079        /* DEVFLAGS */
2080        minfo->devflags.memtype = memtype;
2081        if (memtype != -1)
2082                noinit = 0;
2083        if (cmd & PCI_COMMAND_MEMORY) {
2084                minfo->devflags.novga = novga;
2085                minfo->devflags.nobios = nobios;
2086                minfo->devflags.noinit = noinit;
2087                /* subsequent heads always needs initialization and must not enable BIOS */
2088                novga = 1;
2089                nobios = 1;
2090                noinit = 0;
2091        } else {
2092                minfo->devflags.novga = 1;
2093                minfo->devflags.nobios = 1;
2094                minfo->devflags.noinit = 0;
2095        }
2096
2097        minfo->devflags.nopciretry = no_pci_retry;
2098        minfo->devflags.mga_24bpp_fix = inv24;
2099        minfo->devflags.precise_width = option_precise_width;
2100        minfo->devflags.sgram = sgram;
2101        minfo->capable.cross4MB = cross4MB;
2102
2103        spin_lock_init(&minfo->lock.DAC);
2104        spin_lock_init(&minfo->lock.accel);
2105        init_rwsem(&minfo->crtc2.lock);
2106        init_rwsem(&minfo->altout.lock);
2107        mutex_init(&minfo->fbcon.mm_lock);
2108        minfo->irq_flags = 0;
2109        init_waitqueue_head(&minfo->crtc1.vsync.wait);
2110        init_waitqueue_head(&minfo->crtc2.vsync.wait);
2111        minfo->crtc1.panpos = -1;
2112
2113        err = initMatrox2(minfo, b);
2114        if (!err) {
2115                matroxfb_register_device(minfo);
2116                return 0;
2117        }
2118        kfree(minfo);
2119        return -1;
2120}
2121
2122static void pci_remove_matrox(struct pci_dev* pdev) {
2123        struct matrox_fb_info* minfo;
2124
2125        minfo = pci_get_drvdata(pdev);
2126        matroxfb_remove(minfo, 1);
2127}
2128
2129static struct pci_device_id matroxfb_devices[] = {
2130#ifdef CONFIG_FB_MATROX_MILLENIUM
2131        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL,
2132                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2133        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2,
2134                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2135        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2_AGP,
2136                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2137#endif
2138#ifdef CONFIG_FB_MATROX_MYSTIQUE
2139        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,
2140                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2141#endif
2142#ifdef CONFIG_FB_MATROX_G
2143        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_MM,
2144                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2145        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_AGP,
2146                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2147        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_PCI,
2148                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2149        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,
2150                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2151        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,
2152                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2153        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G550,
2154                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2155#endif
2156        {0,                     0,
2157                0,              0,              0, 0, 0}
2158};
2159
2160MODULE_DEVICE_TABLE(pci, matroxfb_devices);
2161
2162
2163static struct pci_driver matroxfb_driver = {
2164        .name =         "matroxfb",
2165        .id_table =     matroxfb_devices,
2166        .probe =        matroxfb_probe,
2167        .remove =       pci_remove_matrox,
2168};
2169
2170/* **************************** init-time only **************************** */
2171
2172#define RSResolution(X) ((X) & 0x0F)
2173#define RS640x400       1
2174#define RS640x480       2
2175#define RS800x600       3
2176#define RS1024x768      4
2177#define RS1280x1024     5
2178#define RS1600x1200     6
2179#define RS768x576       7
2180#define RS960x720       8
2181#define RS1152x864      9
2182#define RS1408x1056     10
2183#define RS640x350       11
2184#define RS1056x344      12      /* 132 x 43 text */
2185#define RS1056x400      13      /* 132 x 50 text */
2186#define RS1056x480      14      /* 132 x 60 text */
2187#define RSNoxNo         15
2188/* 10-FF */
2189static struct { int xres, yres, left, right, upper, lower, hslen, vslen, vfreq; } timmings[] __initdata = {
2190        {  640,  400,  48, 16, 39,  8,  96, 2, 70 },
2191        {  640,  480,  48, 16, 33, 10,  96, 2, 60 },
2192        {  800,  600, 144, 24, 28,  8, 112, 6, 60 },
2193        { 1024,  768, 160, 32, 30,  4, 128, 4, 60 },
2194        { 1280, 1024, 224, 32, 32,  4, 136, 4, 60 },
2195        { 1600, 1200, 272, 48, 32,  5, 152, 5, 60 },
2196        {  768,  576, 144, 16, 28,  6, 112, 4, 60 },
2197        {  960,  720, 144, 24, 28,  8, 112, 4, 60 },
2198        { 1152,  864, 192, 32, 30,  4, 128, 4, 60 },
2199        { 1408, 1056, 256, 40, 32,  5, 144, 5, 60 },
2200        {  640,  350,  48, 16, 39,  8,  96, 2, 70 },
2201        { 1056,  344,  96, 24, 59, 44, 160, 2, 70 },
2202        { 1056,  400,  96, 24, 39,  8, 160, 2, 70 },
2203        { 1056,  480,  96, 24, 36, 12, 160, 3, 60 },
2204        {    0,    0,  ~0, ~0, ~0, ~0,   0, 0,  0 }
2205};
2206
2207#define RSCreate(X,Y)   ((X) | ((Y) << 8))
2208static struct { unsigned int vesa; unsigned int info; } *RSptr, vesamap[] __initdata = {
2209/* default must be first */
2210        {    ~0, RSCreate(RSNoxNo,     RS8bpp ) },
2211        { 0x101, RSCreate(RS640x480,   RS8bpp ) },
2212        { 0x100, RSCreate(RS640x400,   RS8bpp ) },
2213        { 0x180, RSCreate(RS768x576,   RS8bpp ) },
2214        { 0x103, RSCreate(RS800x600,   RS8bpp ) },
2215        { 0x188, RSCreate(RS960x720,   RS8bpp ) },
2216        { 0x105, RSCreate(RS1024x768,  RS8bpp ) },
2217        { 0x190, RSCreate(RS1152x864,  RS8bpp ) },
2218        { 0x107, RSCreate(RS1280x1024, RS8bpp ) },
2219        { 0x198, RSCreate(RS1408x1056, RS8bpp ) },
2220        { 0x11C, RSCreate(RS1600x1200, RS8bpp ) },
2221        { 0x110, RSCreate(RS640x480,   RS15bpp) },
2222        { 0x181, RSCreate(RS768x576,   RS15bpp) },
2223        { 0x113, RSCreate(RS800x600,   RS15bpp) },
2224        { 0x189, RSCreate(RS960x720,   RS15bpp) },
2225        { 0x116, RSCreate(RS1024x768,  RS15bpp) },
2226        { 0x191, RSCreate(RS1152x864,  RS15bpp) },
2227        { 0x119, RSCreate(RS1280x1024, RS15bpp) },
2228        { 0x199, RSCreate(RS1408x1056, RS15bpp) },
2229        { 0x11D, RSCreate(RS1600x1200, RS15bpp) },
2230        { 0x111, RSCreate(RS640x480,   RS16bpp) },
2231        { 0x182, RSCreate(RS768x576,   RS16bpp) },
2232        { 0x114, RSCreate(RS800x600,   RS16bpp) },
2233        { 0x18A, RSCreate(RS960x720,   RS16bpp) },
2234        { 0x117, RSCreate(RS1024x768,  RS16bpp) },
2235        { 0x192, RSCreate(RS1152x864,  RS16bpp) },
2236        { 0x11A, RSCreate(RS1280x1024, RS16bpp) },
2237        { 0x19A, RSCreate(RS1408x1056, RS16bpp) },
2238        { 0x11E, RSCreate(RS1600x1200, RS16bpp) },
2239        { 0x1B2, RSCreate(RS640x480,   RS24bpp) },
2240        { 0x184, RSCreate(RS768x576,   RS24bpp) },
2241        { 0x1B5, RSCreate(RS800x600,   RS24bpp) },
2242        { 0x18C, RSCreate(RS960x720,   RS24bpp) },
2243        { 0x1B8, RSCreate(RS1024x768,  RS24bpp) },
2244        { 0x194, RSCreate(RS1152x864,  RS24bpp) },
2245        { 0x1BB, RSCreate(RS1280x1024, RS24bpp) },
2246        { 0x19C, RSCreate(RS1408x1056, RS24bpp) },
2247        { 0x1BF, RSCreate(RS1600x1200, RS24bpp) },
2248        { 0x112, RSCreate(RS640x480,   RS32bpp) },
2249        { 0x183, RSCreate(RS768x576,   RS32bpp) },
2250        { 0x115, RSCreate(RS800x600,   RS32bpp) },
2251        { 0x18B, RSCreate(RS960x720,   RS32bpp) },
2252        { 0x118, RSCreate(RS1024x768,  RS32bpp) },
2253        { 0x193, RSCreate(RS1152x864,  RS32bpp) },
2254        { 0x11B, RSCreate(RS1280x1024, RS32bpp) },
2255        { 0x19B, RSCreate(RS1408x1056, RS32bpp) },
2256        { 0x11F, RSCreate(RS1600x1200, RS32bpp) },
2257        { 0x010, RSCreate(RS640x350,   RS4bpp ) },
2258        { 0x012, RSCreate(RS640x480,   RS4bpp ) },
2259        { 0x102, RSCreate(RS800x600,   RS4bpp ) },
2260        { 0x104, RSCreate(RS1024x768,  RS4bpp ) },
2261        { 0x106, RSCreate(RS1280x1024, RS4bpp ) },
2262        {     0, 0                              }};
2263
2264static void __init matroxfb_init_params(void) {
2265        /* fh from kHz to Hz */
2266        if (fh < 1000)
2267                fh *= 1000;     /* 1kHz minimum */
2268        /* maxclk */
2269        if (maxclk < 1000) maxclk *= 1000;      /* kHz -> Hz, MHz -> kHz */
2270        if (maxclk < 1000000) maxclk *= 1000;   /* kHz -> Hz, 1MHz minimum */
2271        /* fix VESA number */
2272        if (vesa != ~0)
2273                vesa &= 0x1DFF;         /* mask out clearscreen, acceleration and so on */
2274
2275        /* static settings */
2276        for (RSptr = vesamap; RSptr->vesa; RSptr++) {
2277                if (RSptr->vesa == vesa) break;
2278        }
2279        if (!RSptr->vesa) {
2280                printk(KERN_ERR "Invalid vesa mode 0x%04X\n", vesa);
2281                RSptr = vesamap;
2282        }
2283        {
2284                int res = RSResolution(RSptr->info)-1;
2285                if (left == ~0)
2286                        left = timmings[res].left;
2287                if (!xres)
2288                        xres = timmings[res].xres;
2289                if (right == ~0)
2290                        right = timmings[res].right;
2291                if (!hslen)
2292                        hslen = timmings[res].hslen;
2293                if (upper == ~0)
2294                        upper = timmings[res].upper;
2295                if (!yres)
2296                        yres = timmings[res].yres;
2297                if (lower == ~0)
2298                        lower = timmings[res].lower;
2299                if (!vslen)
2300                        vslen = timmings[res].vslen;
2301                if (!(fv||fh||maxclk||pixclock))
2302                        fv = timmings[res].vfreq;
2303                if (depth == -1)
2304                        depth = RSDepth(RSptr->info);
2305        }
2306}
2307
2308static int __init matrox_init(void) {
2309        int err;
2310
2311        matroxfb_init_params();
2312        err = pci_register_driver(&matroxfb_driver);
2313        dev = -1;       /* accept all new devices... */
2314        return err;
2315}
2316
2317/* **************************** exit-time only **************************** */
2318
2319static void __exit matrox_done(void) {
2320        pci_unregister_driver(&matroxfb_driver);
2321}
2322
2323#ifndef MODULE
2324
2325/* ************************* init in-kernel code ************************** */
2326
2327static int __init matroxfb_setup(char *options) {
2328        char *this_opt;
2329
2330        DBG(__func__)
2331
2332        if (!options || !*options)
2333                return 0;
2334
2335        while ((this_opt = strsep(&options, ",")) != NULL) {
2336                if (!*this_opt) continue;
2337
2338                dprintk("matroxfb_setup: option %s\n", this_opt);
2339
2340                if (!strncmp(this_opt, "dev:", 4))
2341                        dev = simple_strtoul(this_opt+4, NULL, 0);
2342                else if (!strncmp(this_opt, "depth:", 6)) {
2343                        switch (simple_strtoul(this_opt+6, NULL, 0)) {
2344                                case 0: depth = RSText; break;
2345                                case 4: depth = RS4bpp; break;
2346                                case 8: depth = RS8bpp; break;
2347                                case 15:depth = RS15bpp; break;
2348                                case 16:depth = RS16bpp; break;
2349                                case 24:depth = RS24bpp; break;
2350                                case 32:depth = RS32bpp; break;
2351                                default:
2352                                        printk(KERN_ERR "matroxfb: unsupported color depth\n");
2353                        }
2354                } else if (!strncmp(this_opt, "xres:", 5))
2355                        xres = simple_strtoul(this_opt+5, NULL, 0);
2356                else if (!strncmp(this_opt, "yres:", 5))
2357                        yres = simple_strtoul(this_opt+5, NULL, 0);
2358                else if (!strncmp(this_opt, "vslen:", 6))
2359                        vslen = simple_strtoul(this_opt+6, NULL, 0);
2360                else if (!strncmp(this_opt, "hslen:", 6))
2361                        hslen = simple_strtoul(this_opt+6, NULL, 0);
2362                else if (!strncmp(this_opt, "left:", 5))
2363                        left = simple_strtoul(this_opt+5, NULL, 0);
2364                else if (!strncmp(this_opt, "right:", 6))
2365                        right = simple_strtoul(this_opt+6, NULL, 0);
2366                else if (!strncmp(this_opt, "upper:", 6))
2367                        upper = simple_strtoul(this_opt+6, NULL, 0);
2368                else if (!strncmp(this_opt, "lower:", 6))
2369                        lower = simple_strtoul(this_opt+6, NULL, 0);
2370                else if (!strncmp(this_opt, "pixclock:", 9))
2371                        pixclock = simple_strtoul(this_opt+9, NULL, 0);
2372                else if (!strncmp(this_opt, "sync:", 5))
2373                        sync = simple_strtoul(this_opt+5, NULL, 0);
2374                else if (!strncmp(this_opt, "vesa:", 5))
2375                        vesa = simple_strtoul(this_opt+5, NULL, 0);
2376                else if (!strncmp(this_opt, "maxclk:", 7))
2377                        maxclk = simple_strtoul(this_opt+7, NULL, 0);
2378                else if (!strncmp(this_opt, "fh:", 3))
2379                        fh = simple_strtoul(this_opt+3, NULL, 0);
2380                else if (!strncmp(this_opt, "fv:", 3))
2381                        fv = simple_strtoul(this_opt+3, NULL, 0);
2382                else if (!strncmp(this_opt, "mem:", 4))
2383                        mem = simple_strtoul(this_opt+4, NULL, 0);
2384                else if (!strncmp(this_opt, "mode:", 5))
2385                        strlcpy(videomode, this_opt+5, sizeof(videomode));
2386                else if (!strncmp(this_opt, "outputs:", 8))
2387                        strlcpy(outputs, this_opt+8, sizeof(outputs));
2388                else if (!strncmp(this_opt, "dfp:", 4)) {
2389                        dfp_type = simple_strtoul(this_opt+4, NULL, 0);
2390                        dfp = 1;
2391                }
2392#ifdef CONFIG_PPC_PMAC
2393                else if (!strncmp(this_opt, "vmode:", 6)) {
2394                        unsigned int vmode = simple_strtoul(this_opt+6, NULL, 0);
2395                        if (vmode > 0 && vmode <= VMODE_MAX)
2396                                default_vmode = vmode;
2397                } else if (!strncmp(this_opt, "cmode:", 6)) {
2398                        unsigned int cmode = simple_strtoul(this_opt+6, NULL, 0);
2399                        switch (cmode) {
2400                                case 0:
2401                                case 8:
2402                                        default_cmode = CMODE_8;
2403                                        break;
2404                                case 15:
2405                                case 16:
2406                                        default_cmode = CMODE_16;
2407                                        break;
2408                                case 24:
2409                                case 32:
2410                                        default_cmode = CMODE_32;
2411                                        break;
2412                        }
2413                }
2414#endif
2415                else if (!strcmp(this_opt, "disabled")) /* nodisabled does not exist */
2416                        disabled = 1;
2417                else if (!strcmp(this_opt, "enabled"))  /* noenabled does not exist */
2418                        disabled = 0;
2419                else if (!strcmp(this_opt, "sgram"))    /* nosgram == sdram */
2420                        sgram = 1;
2421                else if (!strcmp(this_opt, "sdram"))
2422                        sgram = 0;
2423                else if (!strncmp(this_opt, "memtype:", 8))
2424                        memtype = simple_strtoul(this_opt+8, NULL, 0);
2425                else {
2426                        int value = 1;
2427
2428                        if (!strncmp(this_opt, "no", 2)) {
2429                                value = 0;
2430                                this_opt += 2;
2431                        }
2432                        if (! strcmp(this_opt, "inverse"))
2433                                inverse = value;
2434                        else if (!strcmp(this_opt, "accel"))
2435                                noaccel = !value;
2436                        else if (!strcmp(this_opt, "pan"))
2437                                nopan = !value;
2438                        else if (!strcmp(this_opt, "pciretry"))
2439                                no_pci_retry = !value;
2440                        else if (!strcmp(this_opt, "vga"))
2441                                novga = !value;
2442                        else if (!strcmp(this_opt, "bios"))
2443                                nobios = !value;
2444                        else if (!strcmp(this_opt, "init"))
2445                                noinit = !value;
2446#ifdef CONFIG_MTRR
2447                        else if (!strcmp(this_opt, "mtrr"))
2448                                mtrr = value;
2449#endif
2450                        else if (!strcmp(this_opt, "inv24"))
2451                                inv24 = value;
2452                        else if (!strcmp(this_opt, "cross4MB"))
2453                                cross4MB = value;
2454                        else if (!strcmp(this_opt, "grayscale"))
2455                                grayscale = value;
2456                        else if (!strcmp(this_opt, "dfp"))
2457                                dfp = value;
2458                        else {
2459                                strlcpy(videomode, this_opt, sizeof(videomode));
2460                        }
2461                }
2462        }
2463        return 0;
2464}
2465
2466static int __initdata initialized = 0;
2467
2468static int __init matroxfb_init(void)
2469{
2470        char *option = NULL;
2471        int err = 0;
2472
2473        DBG(__func__)
2474
2475        if (fb_get_options("matroxfb", &option))
2476                return -ENODEV;
2477        matroxfb_setup(option);
2478
2479        if (disabled)
2480                return -ENXIO;
2481        if (!initialized) {
2482                initialized = 1;
2483                err = matrox_init();
2484        }
2485        hotplug = 1;
2486        /* never return failure, user can hotplug matrox later... */
2487        return err;
2488}
2489
2490module_init(matroxfb_init);
2491
2492#else
2493
2494/* *************************** init module code **************************** */
2495
2496MODULE_AUTHOR("(c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>");
2497MODULE_DESCRIPTION("Accelerated FBDev driver for Matrox Millennium/Mystique/G100/G200/G400/G450/G550");
2498MODULE_LICENSE("GPL");
2499
2500module_param(mem, int, 0);
2501MODULE_PARM_DESC(mem, "Size of available memory in MB, KB or B (2,4,8,12,16MB, default=autodetect)");
2502module_param(disabled, int, 0);
2503MODULE_PARM_DESC(disabled, "Disabled (0 or 1=disabled) (default=0)");
2504module_param(noaccel, int, 0);
2505MODULE_PARM_DESC(noaccel, "Do not use accelerating engine (0 or 1=disabled) (default=0)");
2506module_param(nopan, int, 0);
2507MODULE_PARM_DESC(nopan, "Disable pan on startup (0 or 1=disabled) (default=0)");
2508module_param(no_pci_retry, int, 0);
2509MODULE_PARM_DESC(no_pci_retry, "PCI retries enabled (0 or 1=disabled) (default=0)");
2510module_param(novga, int, 0);
2511MODULE_PARM_DESC(novga, "VGA I/O (0x3C0-0x3DF) disabled (0 or 1=disabled) (default=0)");
2512module_param(nobios, int, 0);
2513MODULE_PARM_DESC(nobios, "Disables ROM BIOS (0 or 1=disabled) (default=do not change BIOS state)");
2514module_param(noinit, int, 0);
2515MODULE_PARM_DESC(noinit, "Disables W/SG/SD-RAM and bus interface initialization (0 or 1=do not initialize) (default=0)");
2516module_param(memtype, int, 0);
2517MODULE_PARM_DESC(memtype, "Memory type for G200/G400 (see Documentation/fb/matroxfb.txt for explanation) (default=3 for G200, 0 for G400)");
2518#ifdef CONFIG_MTRR
2519module_param(mtrr, int, 0);
2520MODULE_PARM_DESC(mtrr, "This speeds up video memory accesses (0=disabled or 1) (default=1)");
2521#endif
2522module_param(sgram, int, 0);
2523MODULE_PARM_DESC(sgram, "Indicates that G100/G200/G400 has SGRAM memory (0=SDRAM, 1=SGRAM) (default=0)");
2524module_param(inv24, int, 0);
2525MODULE_PARM_DESC(inv24, "Inverts clock polarity for 24bpp and loop frequency > 100MHz (default=do not invert polarity)");
2526module_param(inverse, int, 0);
2527MODULE_PARM_DESC(inverse, "Inverse (0 or 1) (default=0)");
2528module_param(dev, int, 0);
2529MODULE_PARM_DESC(dev, "Multihead support, attach to device ID (0..N) (default=all working)");
2530module_param(vesa, int, 0);
2531MODULE_PARM_DESC(vesa, "Startup videomode (0x000-0x1FF) (default=0x101)");
2532module_param(xres, int, 0);
2533MODULE_PARM_DESC(xres, "Horizontal resolution (px), overrides xres from vesa (default=vesa)");
2534module_param(yres, int, 0);
2535MODULE_PARM_DESC(yres, "Vertical resolution (scans), overrides yres from vesa (default=vesa)");
2536module_param(upper, int, 0);
2537MODULE_PARM_DESC(upper, "Upper blank space (scans), overrides upper from vesa (default=vesa)");
2538module_param(lower, int, 0);
2539MODULE_PARM_DESC(lower, "Lower blank space (scans), overrides lower from vesa (default=vesa)");
2540module_param(vslen, int, 0);
2541MODULE_PARM_DESC(vslen, "Vertical sync length (scans), overrides lower from vesa (default=vesa)");
2542module_param(left, int, 0);
2543MODULE_PARM_DESC(left, "Left blank space (px), overrides left from vesa (default=vesa)");
2544module_param(right, int, 0);
2545MODULE_PARM_DESC(right, "Right blank space (px), overrides right from vesa (default=vesa)");
2546module_param(hslen, int, 0);
2547MODULE_PARM_DESC(hslen, "Horizontal sync length (px), overrides hslen from vesa (default=vesa)");
2548module_param(pixclock, int, 0);
2549MODULE_PARM_DESC(pixclock, "Pixelclock (ns), overrides pixclock from vesa (default=vesa)");
2550module_param(sync, int, 0);
2551MODULE_PARM_DESC(sync, "Sync polarity, overrides sync from vesa (default=vesa)");
2552module_param(depth, int, 0);
2553MODULE_PARM_DESC(depth, "Color depth (0=text,8,15,16,24,32) (default=vesa)");
2554module_param(maxclk, int, 0);
2555MODULE_PARM_DESC(maxclk, "Startup maximal clock, 0-999MHz, 1000-999999kHz, 1000000-INF Hz");
2556module_param(fh, int, 0);
2557MODULE_PARM_DESC(fh, "Startup horizontal frequency, 0-999kHz, 1000-INF Hz");
2558module_param(fv, int, 0);
2559MODULE_PARM_DESC(fv, "Startup vertical frequency, 0-INF Hz\n"
2560"You should specify \"fv:max_monitor_vsync,fh:max_monitor_hsync,maxclk:max_monitor_dotclock\"");
2561module_param(grayscale, int, 0);
2562MODULE_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)");
2563module_param(cross4MB, int, 0);
2564MODULE_PARM_DESC(cross4MB, "Specifies that 4MB boundary can be in middle of line. (default=autodetected)");
2565module_param(dfp, int, 0);
2566MODULE_PARM_DESC(dfp, "Specifies whether to use digital flat panel interface of G200/G400 (0 or 1) (default=0)");
2567module_param(dfp_type, int, 0);
2568MODULE_PARM_DESC(dfp_type, "Specifies DFP interface type (0 to 255) (default=read from hardware)");
2569module_param_string(outputs, outputs, sizeof(outputs), 0);
2570MODULE_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)");
2571#ifdef CONFIG_PPC_PMAC
2572module_param_named(vmode, default_vmode, int, 0);
2573MODULE_PARM_DESC(vmode, "Specify the vmode mode number that should be used (640x480 default)");
2574module_param_named(cmode, default_cmode, int, 0);
2575MODULE_PARM_DESC(cmode, "Specify the video depth that should be used (8bit default)");
2576#endif
2577
2578int __init init_module(void){
2579
2580        DBG(__func__)
2581
2582        if (disabled)
2583                return -ENXIO;
2584
2585        if (depth == 0)
2586                depth = RSText;
2587        else if (depth == 4)
2588                depth = RS4bpp;
2589        else if (depth == 8)
2590                depth = RS8bpp;
2591        else if (depth == 15)
2592                depth = RS15bpp;
2593        else if (depth == 16)
2594                depth = RS16bpp;
2595        else if (depth == 24)
2596                depth = RS24bpp;
2597        else if (depth == 32)
2598                depth = RS32bpp;
2599        else if (depth != -1) {
2600                printk(KERN_ERR "matroxfb: depth %d is not supported, using default\n", depth);
2601                depth = -1;
2602        }
2603        matrox_init();
2604        /* never return failure; user can hotplug matrox later... */
2605        return 0;
2606}
2607#endif  /* MODULE */
2608
2609module_exit(matrox_done);
2610EXPORT_SYMBOL(matroxfb_register_driver);
2611EXPORT_SYMBOL(matroxfb_unregister_driver);
2612EXPORT_SYMBOL(matroxfb_wait_for_sync);
2613EXPORT_SYMBOL(matroxfb_enable_irq);
2614
2615/*
2616 * Overrides for Emacs so that we follow Linus's tabbing style.
2617 * ---------------------------------------------------------------------------
2618 * Local variables:
2619 * c-basic-offset: 8
2620 * End:
2621 */
2622
2623