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