linux/drivers/video/fbdev/matrox/matroxfb_base.c
<<
>>
Prefs
   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 *
   4 * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200 and G400
   5 *
   6 * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>
   7 *
   8 * Portions Copyright (c) 2001 Matrox Graphics Inc.
   9 *
  10 * Version: 1.65 2002/08/14
  11 *
  12 * MTRR stuff: 1998 Tom Rini <trini@kernel.crashing.org>
  13 *
  14 * Contributors: "menion?" <menion@mindless.com>
  15 *                     Betatesting, fixes, ideas
  16 *
  17 *               "Kurt Garloff" <garloff@suse.de>
  18 *                     Betatesting, fixes, ideas, videomodes, videomodes timmings
  19 *
  20 *               "Tom Rini" <trini@kernel.crashing.org>
  21 *                     MTRR stuff, PPC cleanups, betatesting, fixes, ideas
  22 *
  23 *               "Bibek Sahu" <scorpio@dodds.net>
  24 *                     Access device through readb|w|l and write b|w|l
  25 *                     Extensive debugging stuff
  26 *
  27 *               "Daniel Haun" <haund@usa.net>
  28 *                     Testing, hardware cursor fixes
  29 *
  30 *               "Scott Wood" <sawst46+@pitt.edu>
  31 *                     Fixes
  32 *
  33 *               "Gerd Knorr" <kraxel@goldbach.isdn.cs.tu-berlin.de>
  34 *                     Betatesting
  35 *
  36 *               "Kelly French" <targon@hazmat.com>
  37 *               "Fernando Herrera" <fherrera@eurielec.etsit.upm.es>
  38 *                     Betatesting, bug reporting
  39 *
  40 *               "Pablo Bianucci" <pbian@pccp.com.ar>
  41 *                     Fixes, ideas, betatesting
  42 *
  43 *               "Inaky Perez Gonzalez" <inaky@peloncho.fis.ucm.es>
  44 *                     Fixes, enhandcements, ideas, betatesting
  45 *
  46 *               "Ryuichi Oikawa" <roikawa@rr.iiij4u.or.jp>
  47 *                     PPC betatesting, PPC support, backward compatibility
  48 *
  49 *               "Paul Womar" <Paul@pwomar.demon.co.uk>
  50 *               "Owen Waller" <O.Waller@ee.qub.ac.uk>
  51 *                     PPC betatesting
  52 *
  53 *               "Thomas Pornin" <pornin@bolet.ens.fr>
  54 *                     Alpha betatesting
  55 *
  56 *               "Pieter van Leuven" <pvl@iae.nl>
  57 *               "Ulf Jaenicke-Roessler" <ujr@physik.phy.tu-dresden.de>
  58 *                     G100 testing
  59 *
  60 *               "H. Peter Arvin" <hpa@transmeta.com>
  61 *                     Ideas
  62 *
  63 *               "Cort Dougan" <cort@cs.nmt.edu>
  64 *                     CHRP fixes and PReP cleanup
  65 *
  66 *               "Mark Vojkovich" <mvojkovi@ucsd.edu>
  67 *                     G400 support
  68 *
  69 *               "Samuel Hocevar" <sam@via.ecp.fr>
  70 *                     Fixes
  71 *
  72 *               "Anton Altaparmakov" <AntonA@bigfoot.com>
  73 *                     G400 MAX/non-MAX distinction
  74 *
  75 *               "Ken Aaker" <kdaaker@rchland.vnet.ibm.com>
  76 *                     memtype extension (needed for GXT130P RS/6000 adapter)
  77 *
  78 *               "Uns Lider" <unslider@miranda.org>
  79 *                     G100 PLNWT fixes
  80 *
  81 *               "Denis Zaitsev" <zzz@cd-club.ru>
  82 *                     Fixes
  83 *
  84 *               "Mike Pieper" <mike@pieper-family.de>
  85 *                     TVOut enhandcements, V4L2 control interface.
  86 *
  87 *               "Diego Biurrun" <diego@biurrun.de>
  88 *                     DFP testing
  89 *
  90 * (following author is not in any relation with this code, but his code
  91 *  is included in this driver)
  92 *
  93 * Based on framebuffer driver for VBE 2.0 compliant graphic boards
  94 *     (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de>
  95 *
  96 * (following author is not in any relation with this code, but his ideas
  97 *  were used when writing this driver)
  98 *
  99 *               FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk>
 100 *
 101 */
 102
 103#include <linux/version.h>
 104
 105#include "matroxfb_base.h"
 106#include "matroxfb_misc.h"
 107#include "matroxfb_accel.h"
 108#include "matroxfb_DAC1064.h"
 109#include "matroxfb_Ti3026.h"
 110#include "matroxfb_maven.h"
 111#include "matroxfb_crtc2.h"
 112#include "matroxfb_g450.h"
 113#include <linux/matroxfb.h>
 114#include <linux/interrupt.h>
 115#include <linux/nvram.h>
 116#include <linux/slab.h>
 117#include <linux/uaccess.h>
 118
 119#ifdef CONFIG_PPC_PMAC
 120#include <asm/machdep.h>
 121static int default_vmode = VMODE_NVRAM;
 122static int default_cmode = CMODE_NVRAM;
 123#endif
 124
 125static void matroxfb_unregister_device(struct matrox_fb_info* minfo);
 126
 127/* --------------------------------------------------------------------- */
 128
 129/*
 130 * card parameters
 131 */
 132
 133/* --------------------------------------------------------------------- */
 134
 135static struct fb_var_screeninfo vesafb_defined = {
 136        640,480,640,480,/* W,H, W, H (virtual) load xres,xres_virtual*/
 137        0,0,            /* virtual -> visible no offset */
 138        8,              /* depth -> load bits_per_pixel */
 139        0,              /* greyscale ? */
 140        {0,0,0},        /* R */
 141        {0,0,0},        /* G */
 142        {0,0,0},        /* B */
 143        {0,0,0},        /* transparency */
 144        0,              /* standard pixel format */
 145        FB_ACTIVATE_NOW,
 146        -1,-1,
 147        FB_ACCELF_TEXT, /* accel flags */
 148        39721L,48L,16L,33L,10L,
 149        96L,2L,~0,      /* No sync info */
 150        FB_VMODE_NONINTERLACED,
 151};
 152
 153
 154
 155/* --------------------------------------------------------------------- */
 156static void update_crtc2(struct matrox_fb_info *minfo, unsigned int pos)
 157{
 158        struct matroxfb_dh_fb_info *info = minfo->crtc2.info;
 159
 160        /* Make sure that displays are compatible */
 161        if (info && (info->fbcon.var.bits_per_pixel == minfo->fbcon.var.bits_per_pixel)
 162                 && (info->fbcon.var.xres_virtual == minfo->fbcon.var.xres_virtual)
 163                 && (info->fbcon.var.green.length == minfo->fbcon.var.green.length)
 164                 ) {
 165                switch (minfo->fbcon.var.bits_per_pixel) {
 166                        case 16:
 167                        case 32:
 168                                pos = pos * 8;
 169                                if (info->interlaced) {
 170                                        mga_outl(0x3C2C, pos);
 171                                        mga_outl(0x3C28, pos + minfo->fbcon.var.xres_virtual * minfo->fbcon.var.bits_per_pixel / 8);
 172                                } else {
 173                                        mga_outl(0x3C28, pos);
 174                                }
 175                                break;
 176                }
 177        }
 178}
 179
 180static void matroxfb_crtc1_panpos(struct matrox_fb_info *minfo)
 181{
 182        if (minfo->crtc1.panpos >= 0) {
 183                unsigned long flags;
 184                int panpos;
 185
 186                matroxfb_DAC_lock_irqsave(flags);
 187                panpos = minfo->crtc1.panpos;
 188                if (panpos >= 0) {
 189                        unsigned int extvga_reg;
 190
 191                        minfo->crtc1.panpos = -1; /* No update pending anymore */
 192                        extvga_reg = mga_inb(M_EXTVGA_INDEX);
 193                        mga_setr(M_EXTVGA_INDEX, 0x00, panpos);
 194                        if (extvga_reg != 0x00) {
 195                                mga_outb(M_EXTVGA_INDEX, extvga_reg);
 196                        }
 197                }
 198                matroxfb_DAC_unlock_irqrestore(flags);
 199        }
 200}
 201
 202static irqreturn_t matrox_irq(int irq, void *dev_id)
 203{
 204        u_int32_t status;
 205        int handled = 0;
 206        struct matrox_fb_info *minfo = dev_id;
 207
 208        status = mga_inl(M_STATUS);
 209
 210        if (status & 0x20) {
 211                mga_outl(M_ICLEAR, 0x20);
 212                minfo->crtc1.vsync.cnt++;
 213                matroxfb_crtc1_panpos(minfo);
 214                wake_up_interruptible(&minfo->crtc1.vsync.wait);
 215                handled = 1;
 216        }
 217        if (status & 0x200) {
 218                mga_outl(M_ICLEAR, 0x200);
 219                minfo->crtc2.vsync.cnt++;
 220                wake_up_interruptible(&minfo->crtc2.vsync.wait);
 221                handled = 1;
 222        }
 223        return IRQ_RETVAL(handled);
 224}
 225
 226int matroxfb_enable_irq(struct matrox_fb_info *minfo, int reenable)
 227{
 228        u_int32_t bm;
 229
 230        if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400)
 231                bm = 0x220;
 232        else
 233                bm = 0x020;
 234
 235        if (!test_and_set_bit(0, &minfo->irq_flags)) {
 236                if (request_irq(minfo->pcidev->irq, matrox_irq,
 237                                IRQF_SHARED, "matroxfb", minfo)) {
 238                        clear_bit(0, &minfo->irq_flags);
 239                        return -EINVAL;
 240                }
 241                /* Clear any pending field interrupts */
 242                mga_outl(M_ICLEAR, bm);
 243                mga_outl(M_IEN, mga_inl(M_IEN) | bm);
 244        } else if (reenable) {
 245                u_int32_t ien;
 246
 247                ien = mga_inl(M_IEN);
 248                if ((ien & bm) != bm) {
 249                        printk(KERN_DEBUG "matroxfb: someone disabled IRQ [%08X]\n", ien);
 250                        mga_outl(M_IEN, ien | bm);
 251                }
 252        }
 253        return 0;
 254}
 255
 256static void matroxfb_disable_irq(struct matrox_fb_info *minfo)
 257{
 258        if (test_and_clear_bit(0, &minfo->irq_flags)) {
 259                /* Flush pending pan-at-vbl request... */
 260                matroxfb_crtc1_panpos(minfo);
 261                if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400)
 262                        mga_outl(M_IEN, mga_inl(M_IEN) & ~0x220);
 263                else
 264                        mga_outl(M_IEN, mga_inl(M_IEN) & ~0x20);
 265                free_irq(minfo->pcidev->irq, minfo);
 266        }
 267}
 268
 269int matroxfb_wait_for_sync(struct matrox_fb_info *minfo, u_int32_t crtc)
 270{
 271        struct matrox_vsync *vs;
 272        unsigned int cnt;
 273        int ret;
 274
 275        switch (crtc) {
 276                case 0:
 277                        vs = &minfo->crtc1.vsync;
 278                        break;
 279                case 1:
 280                        if (minfo->devflags.accelerator != FB_ACCEL_MATROX_MGAG400) {
 281                                return -ENODEV;
 282                        }
 283                        vs = &minfo->crtc2.vsync;
 284                        break;
 285                default:
 286                        return -ENODEV;
 287        }
 288        ret = matroxfb_enable_irq(minfo, 0);
 289        if (ret) {
 290                return ret;
 291        }
 292
 293        cnt = vs->cnt;
 294        ret = wait_event_interruptible_timeout(vs->wait, cnt != vs->cnt, HZ/10);
 295        if (ret < 0) {
 296                return ret;
 297        }
 298        if (ret == 0) {
 299                matroxfb_enable_irq(minfo, 1);
 300                return -ETIMEDOUT;
 301        }
 302        return 0;
 303}
 304
 305/* --------------------------------------------------------------------- */
 306
 307static void matrox_pan_var(struct matrox_fb_info *minfo,
 308                           struct fb_var_screeninfo *var)
 309{
 310        unsigned int pos;
 311        unsigned short p0, p1, p2;
 312        unsigned int p3;
 313        int vbl;
 314        unsigned long flags;
 315
 316        CRITFLAGS
 317
 318        DBG(__func__)
 319
 320        if (minfo->dead)
 321                return;
 322
 323        minfo->fbcon.var.xoffset = var->xoffset;
 324        minfo->fbcon.var.yoffset = var->yoffset;
 325        pos = (minfo->fbcon.var.yoffset * minfo->fbcon.var.xres_virtual + minfo->fbcon.var.xoffset) * minfo->curr.final_bppShift / 32;
 326        pos += minfo->curr.ydstorg.chunks;
 327        p0 = minfo->hw.CRTC[0x0D] = pos & 0xFF;
 328        p1 = minfo->hw.CRTC[0x0C] = (pos & 0xFF00) >> 8;
 329        p2 = minfo->hw.CRTCEXT[0] = (minfo->hw.CRTCEXT[0] & 0xB0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
 330        p3 = minfo->hw.CRTCEXT[8] = pos >> 21;
 331
 332        /* FB_ACTIVATE_VBL and we can acquire interrupts? Honor FB_ACTIVATE_VBL then... */
 333        vbl = (var->activate & FB_ACTIVATE_VBL) && (matroxfb_enable_irq(minfo, 0) == 0);
 334
 335        CRITBEGIN
 336
 337        matroxfb_DAC_lock_irqsave(flags);
 338        mga_setr(M_CRTC_INDEX, 0x0D, p0);
 339        mga_setr(M_CRTC_INDEX, 0x0C, p1);
 340        if (minfo->devflags.support32MB)
 341                mga_setr(M_EXTVGA_INDEX, 0x08, p3);
 342        if (vbl) {
 343                minfo->crtc1.panpos = p2;
 344        } else {
 345                /* Abort any pending change */
 346                minfo->crtc1.panpos = -1;
 347                mga_setr(M_EXTVGA_INDEX, 0x00, p2);
 348        }
 349        matroxfb_DAC_unlock_irqrestore(flags);
 350
 351        update_crtc2(minfo, pos);
 352
 353        CRITEND
 354}
 355
 356static void matroxfb_remove(struct matrox_fb_info *minfo, int dummy)
 357{
 358        /* Currently we are holding big kernel lock on all dead & usecount updates.
 359         * Destroy everything after all users release it. Especially do not unregister
 360         * framebuffer and iounmap memory, neither fbmem nor fbcon-cfb* does not check
 361         * for device unplugged when in use.
 362         * In future we should point mmio.vbase & video.vbase somewhere where we can
 363         * write data without causing too much damage...
 364         */
 365
 366        minfo->dead = 1;
 367        if (minfo->usecount) {
 368                /* destroy it later */
 369                return;
 370        }
 371        matroxfb_unregister_device(minfo);
 372        unregister_framebuffer(&minfo->fbcon);
 373        matroxfb_g450_shutdown(minfo);
 374        arch_phys_wc_del(minfo->wc_cookie);
 375        iounmap(minfo->mmio.vbase.vaddr);
 376        iounmap(minfo->video.vbase.vaddr);
 377        release_mem_region(minfo->video.base, minfo->video.len_maximum);
 378        release_mem_region(minfo->mmio.base, 16384);
 379        kfree(minfo);
 380}
 381
 382        /*
 383         * Open/Release the frame buffer device
 384         */
 385
 386static int matroxfb_open(struct fb_info *info, int user)
 387{
 388        struct matrox_fb_info *minfo = info2minfo(info);
 389
 390        DBG_LOOP(__func__)
 391
 392        if (minfo->dead) {
 393                return -ENXIO;
 394        }
 395        minfo->usecount++;
 396        if (user) {
 397                minfo->userusecount++;
 398        }
 399        return(0);
 400}
 401
 402static int matroxfb_release(struct fb_info *info, int user)
 403{
 404        struct matrox_fb_info *minfo = info2minfo(info);
 405
 406        DBG_LOOP(__func__)
 407
 408        if (user) {
 409                if (0 == --minfo->userusecount) {
 410                        matroxfb_disable_irq(minfo);
 411                }
 412        }
 413        if (!(--minfo->usecount) && minfo->dead) {
 414                matroxfb_remove(minfo, 0);
 415        }
 416        return(0);
 417}
 418
 419static int matroxfb_pan_display(struct fb_var_screeninfo *var,
 420                struct fb_info* info) {
 421        struct matrox_fb_info *minfo = info2minfo(info);
 422
 423        DBG(__func__)
 424
 425        matrox_pan_var(minfo, var);
 426        return 0;
 427}
 428
 429static int matroxfb_get_final_bppShift(const struct matrox_fb_info *minfo,
 430                                       int bpp)
 431{
 432        int bppshft2;
 433
 434        DBG(__func__)
 435
 436        bppshft2 = bpp;
 437        if (!bppshft2) {
 438                return 8;
 439        }
 440        if (isInterleave(minfo))
 441                bppshft2 >>= 1;
 442        if (minfo->devflags.video64bits)
 443                bppshft2 >>= 1;
 444        return bppshft2;
 445}
 446
 447static int matroxfb_test_and_set_rounding(const struct matrox_fb_info *minfo,
 448                                          int xres, int bpp)
 449{
 450        int over;
 451        int rounding;
 452
 453        DBG(__func__)
 454
 455        switch (bpp) {
 456                case 0:         return xres;
 457                case 4:         rounding = 128;
 458                                break;
 459                case 8:         rounding = 64;  /* doc says 64; 32 is OK for G400 */
 460                                break;
 461                case 16:        rounding = 32;
 462                                break;
 463                case 24:        rounding = 64;  /* doc says 64; 32 is OK for G400 */
 464                                break;
 465                default:        rounding = 16;
 466                                /* on G400, 16 really does not work */
 467                                if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400)
 468                                        rounding = 32;
 469                                break;
 470        }
 471        if (isInterleave(minfo)) {
 472                rounding *= 2;
 473        }
 474        over = xres % rounding;
 475        if (over)
 476                xres += rounding-over;
 477        return xres;
 478}
 479
 480static int matroxfb_pitch_adjust(const struct matrox_fb_info *minfo, int xres,
 481                                 int bpp)
 482{
 483        const int* width;
 484        int xres_new;
 485
 486        DBG(__func__)
 487
 488        if (!bpp) return xres;
 489
 490        width = minfo->capable.vxres;
 491
 492        if (minfo->devflags.precise_width) {
 493                while (*width) {
 494                        if ((*width >= xres) && (matroxfb_test_and_set_rounding(minfo, *width, bpp) == *width)) {
 495                                break;
 496                        }
 497                        width++;
 498                }
 499                xres_new = *width;
 500        } else {
 501                xres_new = matroxfb_test_and_set_rounding(minfo, xres, bpp);
 502        }
 503        return xres_new;
 504}
 505
 506static int matroxfb_get_cmap_len(struct fb_var_screeninfo *var) {
 507
 508        DBG(__func__)
 509
 510        switch (var->bits_per_pixel) {
 511                case 4:
 512                        return 16;      /* pseudocolor... 16 entries HW palette */
 513                case 8:
 514                        return 256;     /* pseudocolor... 256 entries HW palette */
 515                case 16:
 516                        return 16;      /* directcolor... 16 entries SW palette */
 517                                        /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 518                case 24:
 519                        return 16;      /* directcolor... 16 entries SW palette */
 520                                        /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 521                case 32:
 522                        return 16;      /* directcolor... 16 entries SW palette */
 523                                        /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
 524        }
 525        return 16;      /* return something reasonable... or panic()? */
 526}
 527
 528static int matroxfb_decode_var(const struct matrox_fb_info *minfo,
 529                               struct fb_var_screeninfo *var, int *visual,
 530                               int *video_cmap_len, unsigned int* ydstorg)
 531{
 532        struct RGBT {
 533                unsigned char bpp;
 534                struct {
 535                        unsigned char offset,
 536                                      length;
 537                } red,
 538                  green,
 539                  blue,
 540                  transp;
 541                signed char visual;
 542        };
 543        static const struct RGBT table[]= {
 544                { 8,{ 0,8},{0,8},{0,8},{ 0,0},MX_VISUAL_PSEUDOCOLOR},
 545                {15,{10,5},{5,5},{0,5},{15,1},MX_VISUAL_DIRECTCOLOR},
 546                {16,{11,5},{5,6},{0,5},{ 0,0},MX_VISUAL_DIRECTCOLOR},
 547                {24,{16,8},{8,8},{0,8},{ 0,0},MX_VISUAL_DIRECTCOLOR},
 548                {32,{16,8},{8,8},{0,8},{24,8},MX_VISUAL_DIRECTCOLOR}
 549        };
 550        struct RGBT const *rgbt;
 551        unsigned int bpp = var->bits_per_pixel;
 552        unsigned int vramlen;
 553        unsigned int memlen;
 554
 555        DBG(__func__)
 556
 557        switch (bpp) {
 558                case 4:  if (!minfo->capable.cfb4) return -EINVAL;
 559                         break;
 560                case 8:  break;
 561                case 16: break;
 562                case 24: break;
 563                case 32: break;
 564                default: return -EINVAL;
 565        }
 566        *ydstorg = 0;
 567        vramlen = minfo->video.len_usable;
 568        if (var->yres_virtual < var->yres)
 569                var->yres_virtual = var->yres;
 570        if (var->xres_virtual < var->xres)
 571                var->xres_virtual = var->xres;
 572
 573        var->xres_virtual = matroxfb_pitch_adjust(minfo, var->xres_virtual, bpp);
 574        memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
 575        if (memlen > vramlen) {
 576                var->yres_virtual = vramlen * 8 / (var->xres_virtual * bpp);
 577                memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
 578        }
 579        /* There is hardware bug that no line can cross 4MB boundary */
 580        /* give up for CFB24, it is impossible to easy workaround it */
 581        /* for other try to do something */
 582        if (!minfo->capable.cross4MB && (memlen > 0x400000)) {
 583                if (bpp == 24) {
 584                        /* sorry */
 585                } else {
 586                        unsigned int linelen;
 587                        unsigned int m1 = linelen = var->xres_virtual * bpp / 8;
 588                        unsigned int m2 = PAGE_SIZE;    /* or 128 if you do not need PAGE ALIGNED address */
 589                        unsigned int max_yres;
 590
 591                        while (m1) {
 592                                while (m2 >= m1) m2 -= m1;
 593                                swap(m1, m2);
 594                        }
 595                        m2 = linelen * PAGE_SIZE / m2;
 596                        *ydstorg = m2 = 0x400000 % m2;
 597                        max_yres = (vramlen - m2) / linelen;
 598                        if (var->yres_virtual > max_yres)
 599                                var->yres_virtual = max_yres;
 600                }
 601        }
 602        /* YDSTLEN contains only signed 16bit value */
 603        if (var->yres_virtual > 32767)
 604                var->yres_virtual = 32767;
 605        /* we must round yres/xres down, we already rounded y/xres_virtual up
 606           if it was possible. We should return -EINVAL, but I disagree */
 607        if (var->yres_virtual < var->yres)
 608                var->yres = var->yres_virtual;
 609        if (var->xres_virtual < var->xres)
 610                var->xres = var->xres_virtual;
 611        if (var->xoffset + var->xres > var->xres_virtual)
 612                var->xoffset = var->xres_virtual - var->xres;
 613        if (var->yoffset + var->yres > var->yres_virtual)
 614                var->yoffset = var->yres_virtual - var->yres;
 615
 616        if (bpp == 16 && var->green.length == 5) {
 617                bpp--; /* an artificial value - 15 */
 618        }
 619
 620        for (rgbt = table; rgbt->bpp < bpp; rgbt++);
 621#define SETCLR(clr)\
 622        var->clr.offset = rgbt->clr.offset;\
 623        var->clr.length = rgbt->clr.length
 624        SETCLR(red);
 625        SETCLR(green);
 626        SETCLR(blue);
 627        SETCLR(transp);
 628#undef  SETCLR
 629        *visual = rgbt->visual;
 630
 631        if (bpp > 8)
 632                dprintk("matroxfb: truecolor: "
 633                        "size=%d:%d:%d:%d, shift=%d:%d:%d:%d\n",
 634                        var->transp.length, var->red.length, var->green.length, var->blue.length,
 635                        var->transp.offset, var->red.offset, var->green.offset, var->blue.offset);
 636
 637        *video_cmap_len = matroxfb_get_cmap_len(var);
 638        dprintk(KERN_INFO "requested %d*%d/%dbpp (%d*%d)\n", var->xres, var->yres, var->bits_per_pixel,
 639                                var->xres_virtual, var->yres_virtual);
 640        return 0;
 641}
 642
 643static int matroxfb_setcolreg(unsigned regno, unsigned red, unsigned green,
 644                              unsigned blue, unsigned transp,
 645                              struct fb_info *fb_info)
 646{
 647        struct matrox_fb_info* minfo = container_of(fb_info, struct matrox_fb_info, fbcon);
 648
 649        DBG(__func__)
 650
 651        /*
 652         *  Set a single color register. The values supplied are
 653         *  already rounded down to the hardware's capabilities
 654         *  (according to the entries in the `var' structure). Return
 655         *  != 0 for invalid regno.
 656         */
 657
 658        if (regno >= minfo->curr.cmap_len)
 659                return 1;
 660
 661        if (minfo->fbcon.var.grayscale) {
 662                /* gray = 0.30*R + 0.59*G + 0.11*B */
 663                red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
 664        }
 665
 666        red = CNVT_TOHW(red, minfo->fbcon.var.red.length);
 667        green = CNVT_TOHW(green, minfo->fbcon.var.green.length);
 668        blue = CNVT_TOHW(blue, minfo->fbcon.var.blue.length);
 669        transp = CNVT_TOHW(transp, minfo->fbcon.var.transp.length);
 670
 671        switch (minfo->fbcon.var.bits_per_pixel) {
 672        case 4:
 673        case 8:
 674                mga_outb(M_DAC_REG, regno);
 675                mga_outb(M_DAC_VAL, red);
 676                mga_outb(M_DAC_VAL, green);
 677                mga_outb(M_DAC_VAL, blue);
 678                break;
 679        case 16:
 680                if (regno >= 16)
 681                        break;
 682                {
 683                        u_int16_t col =
 684                                (red << minfo->fbcon.var.red.offset)     |
 685                                (green << minfo->fbcon.var.green.offset) |
 686                                (blue << minfo->fbcon.var.blue.offset)   |
 687                                (transp << minfo->fbcon.var.transp.offset); /* for 1:5:5:5 */
 688                        minfo->cmap[regno] = col | (col << 16);
 689                }
 690                break;
 691        case 24:
 692        case 32:
 693                if (regno >= 16)
 694                        break;
 695                minfo->cmap[regno] =
 696                        (red   << minfo->fbcon.var.red.offset)   |
 697                        (green << minfo->fbcon.var.green.offset) |
 698                        (blue  << minfo->fbcon.var.blue.offset)  |
 699                        (transp << minfo->fbcon.var.transp.offset);     /* 8:8:8:8 */
 700                break;
 701        }
 702        return 0;
 703}
 704
 705static void matroxfb_init_fix(struct matrox_fb_info *minfo)
 706{
 707        struct fb_fix_screeninfo *fix = &minfo->fbcon.fix;
 708        DBG(__func__)
 709
 710        strcpy(fix->id,"MATROX");
 711
 712        fix->xpanstep = 8;      /* 8 for 8bpp, 4 for 16bpp, 2 for 32bpp */
 713        fix->ypanstep = 1;
 714        fix->ywrapstep = 0;
 715        fix->mmio_start = minfo->mmio.base;
 716        fix->mmio_len = minfo->mmio.len;
 717        fix->accel = minfo->devflags.accelerator;
 718}
 719
 720static void matroxfb_update_fix(struct matrox_fb_info *minfo)
 721{
 722        struct fb_fix_screeninfo *fix = &minfo->fbcon.fix;
 723        DBG(__func__)
 724
 725        mutex_lock(&minfo->fbcon.mm_lock);
 726        fix->smem_start = minfo->video.base + minfo->curr.ydstorg.bytes;
 727        fix->smem_len = minfo->video.len_usable - minfo->curr.ydstorg.bytes;
 728        mutex_unlock(&minfo->fbcon.mm_lock);
 729}
 730
 731static int matroxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 732{
 733        int err;
 734        int visual;
 735        int cmap_len;
 736        unsigned int ydstorg;
 737        struct matrox_fb_info *minfo = info2minfo(info);
 738
 739        if (minfo->dead) {
 740                return -ENXIO;
 741        }
 742        if ((err = matroxfb_decode_var(minfo, var, &visual, &cmap_len, &ydstorg)) != 0)
 743                return err;
 744        return 0;
 745}
 746
 747static int matroxfb_set_par(struct fb_info *info)
 748{
 749        int err;
 750        int visual;
 751        int cmap_len;
 752        unsigned int ydstorg;
 753        struct fb_var_screeninfo *var;
 754        struct matrox_fb_info *minfo = info2minfo(info);
 755
 756        DBG(__func__)
 757
 758        if (minfo->dead) {
 759                return -ENXIO;
 760        }
 761
 762        var = &info->var;
 763        if ((err = matroxfb_decode_var(minfo, var, &visual, &cmap_len, &ydstorg)) != 0)
 764                return err;
 765        minfo->fbcon.screen_base = vaddr_va(minfo->video.vbase) + ydstorg;
 766        matroxfb_update_fix(minfo);
 767        minfo->fbcon.fix.visual = visual;
 768        minfo->fbcon.fix.type = FB_TYPE_PACKED_PIXELS;
 769        minfo->fbcon.fix.type_aux = 0;
 770        minfo->fbcon.fix.line_length = (var->xres_virtual * var->bits_per_pixel) >> 3;
 771        {
 772                unsigned int pos;
 773
 774                minfo->curr.cmap_len = cmap_len;
 775                ydstorg += minfo->devflags.ydstorg;
 776                minfo->curr.ydstorg.bytes = ydstorg;
 777                minfo->curr.ydstorg.chunks = ydstorg >> (isInterleave(minfo) ? 3 : 2);
 778                if (var->bits_per_pixel == 4)
 779                        minfo->curr.ydstorg.pixels = ydstorg;
 780                else
 781                        minfo->curr.ydstorg.pixels = (ydstorg * 8) / var->bits_per_pixel;
 782                minfo->curr.final_bppShift = matroxfb_get_final_bppShift(minfo, var->bits_per_pixel);
 783                {       struct my_timming mt;
 784                        struct matrox_hw_state* hw;
 785                        int out;
 786
 787                        matroxfb_var2my(var, &mt);
 788                        mt.crtc = MATROXFB_SRC_CRTC1;
 789                        /* CRTC1 delays */
 790                        switch (var->bits_per_pixel) {
 791                                case  0:        mt.delay = 31 + 0; break;
 792                                case 16:        mt.delay = 21 + 8; break;
 793                                case 24:        mt.delay = 17 + 8; break;
 794                                case 32:        mt.delay = 16 + 8; break;
 795                                default:        mt.delay = 31 + 8; break;
 796                        }
 797
 798                        hw = &minfo->hw;
 799
 800                        down_read(&minfo->altout.lock);
 801                        for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 802                                if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 &&
 803                                    minfo->outputs[out].output->compute) {
 804                                        minfo->outputs[out].output->compute(minfo->outputs[out].data, &mt);
 805                                }
 806                        }
 807                        up_read(&minfo->altout.lock);
 808                        minfo->crtc1.pixclock = mt.pixclock;
 809                        minfo->crtc1.mnp = mt.mnp;
 810                        minfo->hw_switch->init(minfo, &mt);
 811                        pos = (var->yoffset * var->xres_virtual + var->xoffset) * minfo->curr.final_bppShift / 32;
 812                        pos += minfo->curr.ydstorg.chunks;
 813
 814                        hw->CRTC[0x0D] = pos & 0xFF;
 815                        hw->CRTC[0x0C] = (pos & 0xFF00) >> 8;
 816                        hw->CRTCEXT[0] = (hw->CRTCEXT[0] & 0xF0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
 817                        hw->CRTCEXT[8] = pos >> 21;
 818                        minfo->hw_switch->restore(minfo);
 819                        update_crtc2(minfo, pos);
 820                        down_read(&minfo->altout.lock);
 821                        for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 822                                if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 &&
 823                                    minfo->outputs[out].output->program) {
 824                                        minfo->outputs[out].output->program(minfo->outputs[out].data);
 825                                }
 826                        }
 827                        for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
 828                                if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 &&
 829                                    minfo->outputs[out].output->start) {
 830                                        minfo->outputs[out].output->start(minfo->outputs[out].data);
 831                                }
 832                        }
 833                        up_read(&minfo->altout.lock);
 834                        matrox_cfbX_init(minfo);
 835                }
 836        }
 837        minfo->initialized = 1;
 838        return 0;
 839}
 840
 841static int matroxfb_get_vblank(struct matrox_fb_info *minfo,
 842                               struct fb_vblank *vblank)
 843{
 844        unsigned int sts1;
 845
 846        matroxfb_enable_irq(minfo, 0);
 847        memset(vblank, 0, sizeof(*vblank));
 848        vblank->flags = FB_VBLANK_HAVE_VCOUNT | FB_VBLANK_HAVE_VSYNC |
 849                        FB_VBLANK_HAVE_VBLANK | FB_VBLANK_HAVE_HBLANK;
 850        sts1 = mga_inb(M_INSTS1);
 851        vblank->vcount = mga_inl(M_VCOUNT);
 852        /* BTW, on my PIII/450 with G400, reading M_INSTS1
 853           byte makes this call about 12% slower (1.70 vs. 2.05 us
 854           per ioctl()) */
 855        if (sts1 & 1)
 856                vblank->flags |= FB_VBLANK_HBLANKING;
 857        if (sts1 & 8)
 858                vblank->flags |= FB_VBLANK_VSYNCING;
 859        if (vblank->vcount >= minfo->fbcon.var.yres)
 860                vblank->flags |= FB_VBLANK_VBLANKING;
 861        if (test_bit(0, &minfo->irq_flags)) {
 862                vblank->flags |= FB_VBLANK_HAVE_COUNT;
 863                /* Only one writer, aligned int value...
 864                   it should work without lock and without atomic_t */
 865                vblank->count = minfo->crtc1.vsync.cnt;
 866        }
 867        return 0;
 868}
 869
 870static struct matrox_altout panellink_output = {
 871        .name    = "Panellink output",
 872};
 873
 874static int matroxfb_ioctl(struct fb_info *info,
 875                          unsigned int cmd, unsigned long arg)
 876{
 877        void __user *argp = (void __user *)arg;
 878        struct matrox_fb_info *minfo = info2minfo(info);
 879
 880        DBG(__func__)
 881
 882        if (minfo->dead) {
 883                return -ENXIO;
 884        }
 885
 886        switch (cmd) {
 887                case FBIOGET_VBLANK:
 888                        {
 889                                struct fb_vblank vblank;
 890                                int err;
 891
 892                                err = matroxfb_get_vblank(minfo, &vblank);
 893                                if (err)
 894                                        return err;
 895                                if (copy_to_user(argp, &vblank, sizeof(vblank)))
 896                                        return -EFAULT;
 897                                return 0;
 898                        }
 899                case FBIO_WAITFORVSYNC:
 900                        {
 901                                u_int32_t crt;
 902
 903                                if (get_user(crt, (u_int32_t __user *)arg))
 904                                        return -EFAULT;
 905
 906                                return matroxfb_wait_for_sync(minfo, crt);
 907                        }
 908                case MATROXFB_SET_OUTPUT_MODE:
 909                        {
 910                                struct matroxioc_output_mode mom;
 911                                struct matrox_altout *oproc;
 912                                int val;
 913
 914                                if (copy_from_user(&mom, argp, sizeof(mom)))
 915                                        return -EFAULT;
 916                                if (mom.output >= MATROXFB_MAX_OUTPUTS)
 917                                        return -ENXIO;
 918                                down_read(&minfo->altout.lock);
 919                                oproc = minfo->outputs[mom.output].output;
 920                                if (!oproc) {
 921                                        val = -ENXIO;
 922                                } else if (!oproc->verifymode) {
 923                                        if (mom.mode == MATROXFB_OUTPUT_MODE_MONITOR) {
 924                                                val = 0;
 925                                        } else {
 926                                                val = -EINVAL;
 927                                        }
 928                                } else {
 929                                        val = oproc->verifymode(minfo->outputs[mom.output].data, mom.mode);
 930                                }
 931                                if (!val) {
 932                                        if (minfo->outputs[mom.output].mode != mom.mode) {
 933                                                minfo->outputs[mom.output].mode = mom.mode;
 934                                                val = 1;
 935                                        }
 936                                }
 937                                up_read(&minfo->altout.lock);
 938                                if (val != 1)
 939                                        return val;
 940                                switch (minfo->outputs[mom.output].src) {
 941                                        case MATROXFB_SRC_CRTC1:
 942                                                matroxfb_set_par(info);
 943                                                break;
 944                                        case MATROXFB_SRC_CRTC2:
 945                                                {
 946                                                        struct matroxfb_dh_fb_info* crtc2;
 947
 948                                                        down_read(&minfo->crtc2.lock);
 949                                                        crtc2 = minfo->crtc2.info;
 950                                                        if (crtc2)
 951                                                                crtc2->fbcon.fbops->fb_set_par(&crtc2->fbcon);
 952                                                        up_read(&minfo->crtc2.lock);
 953                                                }
 954                                                break;
 955                                }
 956                                return 0;
 957                        }
 958                case MATROXFB_GET_OUTPUT_MODE:
 959                        {
 960                                struct matroxioc_output_mode mom;
 961                                struct matrox_altout *oproc;
 962                                int val;
 963
 964                                if (copy_from_user(&mom, argp, sizeof(mom)))
 965                                        return -EFAULT;
 966                                if (mom.output >= MATROXFB_MAX_OUTPUTS)
 967                                        return -ENXIO;
 968                                down_read(&minfo->altout.lock);
 969                                oproc = minfo->outputs[mom.output].output;
 970                                if (!oproc) {
 971                                        val = -ENXIO;
 972                                } else {
 973                                        mom.mode = minfo->outputs[mom.output].mode;
 974                                        val = 0;
 975                                }
 976                                up_read(&minfo->altout.lock);
 977                                if (val)
 978                                        return val;
 979                                if (copy_to_user(argp, &mom, sizeof(mom)))
 980                                        return -EFAULT;
 981                                return 0;
 982                        }
 983                case MATROXFB_SET_OUTPUT_CONNECTION:
 984                        {
 985                                u_int32_t tmp;
 986                                int i;
 987                                int changes;
 988
 989                                if (copy_from_user(&tmp, argp, sizeof(tmp)))
 990                                        return -EFAULT;
 991                                for (i = 0; i < 32; i++) {
 992                                        if (tmp & (1 << i)) {
 993                                                if (i >= MATROXFB_MAX_OUTPUTS)
 994                                                        return -ENXIO;
 995                                                if (!minfo->outputs[i].output)
 996                                                        return -ENXIO;
 997                                                switch (minfo->outputs[i].src) {
 998                                                        case MATROXFB_SRC_NONE:
 999                                                        case MATROXFB_SRC_CRTC1:
1000                                                                break;
1001                                                        default:
1002                                                                return -EBUSY;
1003                                                }
1004                                        }
1005                                }
1006                                if (minfo->devflags.panellink) {
1007                                        if (tmp & MATROXFB_OUTPUT_CONN_DFP) {
1008                                                if (tmp & MATROXFB_OUTPUT_CONN_SECONDARY)
1009                                                        return -EINVAL;
1010                                                for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1011                                                        if (minfo->outputs[i].src == MATROXFB_SRC_CRTC2) {
1012                                                                return -EBUSY;
1013                                                        }
1014                                                }
1015                                        }
1016                                }
1017                                changes = 0;
1018                                for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1019                                        if (tmp & (1 << i)) {
1020                                                if (minfo->outputs[i].src != MATROXFB_SRC_CRTC1) {
1021                                                        changes = 1;
1022                                                        minfo->outputs[i].src = MATROXFB_SRC_CRTC1;
1023                                                }
1024                                        } else if (minfo->outputs[i].src == MATROXFB_SRC_CRTC1) {
1025                                                changes = 1;
1026                                                minfo->outputs[i].src = MATROXFB_SRC_NONE;
1027                                        }
1028                                }
1029                                if (!changes)
1030                                        return 0;
1031                                matroxfb_set_par(info);
1032                                return 0;
1033                        }
1034                case MATROXFB_GET_OUTPUT_CONNECTION:
1035                        {
1036                                u_int32_t conn = 0;
1037                                int i;
1038
1039                                for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1040                                        if (minfo->outputs[i].src == MATROXFB_SRC_CRTC1) {
1041                                                conn |= 1 << i;
1042                                        }
1043                                }
1044                                if (put_user(conn, (u_int32_t __user *)arg))
1045                                        return -EFAULT;
1046                                return 0;
1047                        }
1048                case MATROXFB_GET_AVAILABLE_OUTPUTS:
1049                        {
1050                                u_int32_t conn = 0;
1051                                int i;
1052
1053                                for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1054                                        if (minfo->outputs[i].output) {
1055                                                switch (minfo->outputs[i].src) {
1056                                                        case MATROXFB_SRC_NONE:
1057                                                        case MATROXFB_SRC_CRTC1:
1058                                                                conn |= 1 << i;
1059                                                                break;
1060                                                }
1061                                        }
1062                                }
1063                                if (minfo->devflags.panellink) {
1064                                        if (conn & MATROXFB_OUTPUT_CONN_DFP)
1065                                                conn &= ~MATROXFB_OUTPUT_CONN_SECONDARY;
1066                                        if (conn & MATROXFB_OUTPUT_CONN_SECONDARY)
1067                                                conn &= ~MATROXFB_OUTPUT_CONN_DFP;
1068                                }
1069                                if (put_user(conn, (u_int32_t __user *)arg))
1070                                        return -EFAULT;
1071                                return 0;
1072                        }
1073                case MATROXFB_GET_ALL_OUTPUTS:
1074                        {
1075                                u_int32_t conn = 0;
1076                                int i;
1077
1078                                for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1079                                        if (minfo->outputs[i].output) {
1080                                                conn |= 1 << i;
1081                                        }
1082                                }
1083                                if (put_user(conn, (u_int32_t __user *)arg))
1084                                        return -EFAULT;
1085                                return 0;
1086                        }
1087                case VIDIOC_QUERYCAP:
1088                        {
1089                                struct v4l2_capability r;
1090
1091                                memset(&r, 0, sizeof(r));
1092                                strcpy(r.driver, "matroxfb");
1093                                strcpy(r.card, "Matrox");
1094                                sprintf(r.bus_info, "PCI:%s", pci_name(minfo->pcidev));
1095                                r.version = KERNEL_VERSION(1,0,0);
1096                                r.capabilities = V4L2_CAP_VIDEO_OUTPUT;
1097                                if (copy_to_user(argp, &r, sizeof(r)))
1098                                        return -EFAULT;
1099                                return 0;
1100
1101                        }
1102                case VIDIOC_QUERYCTRL:
1103                        {
1104                                struct v4l2_queryctrl qctrl;
1105                                int err;
1106
1107                                if (copy_from_user(&qctrl, argp, sizeof(qctrl)))
1108                                        return -EFAULT;
1109
1110                                down_read(&minfo->altout.lock);
1111                                if (!minfo->outputs[1].output) {
1112                                        err = -ENXIO;
1113                                } else if (minfo->outputs[1].output->getqueryctrl) {
1114                                        err = minfo->outputs[1].output->getqueryctrl(minfo->outputs[1].data, &qctrl);
1115                                } else {
1116                                        err = -EINVAL;
1117                                }
1118                                up_read(&minfo->altout.lock);
1119                                if (err >= 0 &&
1120                                    copy_to_user(argp, &qctrl, sizeof(qctrl)))
1121                                        return -EFAULT;
1122                                return err;
1123                        }
1124                case VIDIOC_G_CTRL:
1125                        {
1126                                struct v4l2_control ctrl;
1127                                int err;
1128
1129                                if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
1130                                        return -EFAULT;
1131
1132                                down_read(&minfo->altout.lock);
1133                                if (!minfo->outputs[1].output) {
1134                                        err = -ENXIO;
1135                                } else if (minfo->outputs[1].output->getctrl) {
1136                                        err = minfo->outputs[1].output->getctrl(minfo->outputs[1].data, &ctrl);
1137                                } else {
1138                                        err = -EINVAL;
1139                                }
1140                                up_read(&minfo->altout.lock);
1141                                if (err >= 0 &&
1142                                    copy_to_user(argp, &ctrl, sizeof(ctrl)))
1143                                        return -EFAULT;
1144                                return err;
1145                        }
1146                case VIDIOC_S_CTRL:
1147                        {
1148                                struct v4l2_control ctrl;
1149                                int err;
1150
1151                                if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
1152                                        return -EFAULT;
1153
1154                                down_read(&minfo->altout.lock);
1155                                if (!minfo->outputs[1].output) {
1156                                        err = -ENXIO;
1157                                } else if (minfo->outputs[1].output->setctrl) {
1158                                        err = minfo->outputs[1].output->setctrl(minfo->outputs[1].data, &ctrl);
1159                                } else {
1160                                        err = -EINVAL;
1161                                }
1162                                up_read(&minfo->altout.lock);
1163                                return err;
1164                        }
1165        }
1166        return -ENOTTY;
1167}
1168
1169/* 0 unblank, 1 blank, 2 no vsync, 3 no hsync, 4 off */
1170
1171static int matroxfb_blank(int blank, struct fb_info *info)
1172{
1173        int seq;
1174        int crtc;
1175        CRITFLAGS
1176        struct matrox_fb_info *minfo = info2minfo(info);
1177
1178        DBG(__func__)
1179
1180        if (minfo->dead)
1181                return 1;
1182
1183        switch (blank) {
1184        case FB_BLANK_NORMAL:  seq = 0x20; crtc = 0x00; break; /* works ??? */
1185        case FB_BLANK_VSYNC_SUSPEND:  seq = 0x20; crtc = 0x10; break;
1186        case FB_BLANK_HSYNC_SUSPEND:  seq = 0x20; crtc = 0x20; break;
1187        case FB_BLANK_POWERDOWN:  seq = 0x20; crtc = 0x30; break;
1188        default: seq = 0x00; crtc = 0x00; break;
1189        }
1190
1191        CRITBEGIN
1192
1193        mga_outb(M_SEQ_INDEX, 1);
1194        mga_outb(M_SEQ_DATA, (mga_inb(M_SEQ_DATA) & ~0x20) | seq);
1195        mga_outb(M_EXTVGA_INDEX, 1);
1196        mga_outb(M_EXTVGA_DATA, (mga_inb(M_EXTVGA_DATA) & ~0x30) | crtc);
1197
1198        CRITEND
1199        return 0;
1200}
1201
1202static const struct fb_ops matroxfb_ops = {
1203        .owner =        THIS_MODULE,
1204        .fb_open =      matroxfb_open,
1205        .fb_release =   matroxfb_release,
1206        .fb_check_var = matroxfb_check_var,
1207        .fb_set_par =   matroxfb_set_par,
1208        .fb_setcolreg = matroxfb_setcolreg,
1209        .fb_pan_display =matroxfb_pan_display,
1210        .fb_blank =     matroxfb_blank,
1211        .fb_ioctl =     matroxfb_ioctl,
1212/*      .fb_fillrect =  <set by matrox_cfbX_init>, */
1213/*      .fb_copyarea =  <set by matrox_cfbX_init>, */
1214/*      .fb_imageblit = <set by matrox_cfbX_init>, */
1215/*      .fb_cursor =    <set by matrox_cfbX_init>, */
1216};
1217
1218#define RSDepth(X)      (((X) >> 8) & 0x0F)
1219#define RS8bpp          0x1
1220#define RS15bpp         0x2
1221#define RS16bpp         0x3
1222#define RS32bpp         0x4
1223#define RS4bpp          0x5
1224#define RS24bpp         0x6
1225#define RSText          0x7
1226#define RSText8         0x8
1227/* 9-F */
1228static struct { struct fb_bitfield red, green, blue, transp; int bits_per_pixel; } colors[] = {
1229        { {  0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, {  0, 0, 0},  8 },
1230        { { 10, 5, 0}, { 5, 5, 0}, { 0, 5, 0}, { 15, 1, 0}, 16 },
1231        { { 11, 5, 0}, { 5, 6, 0}, { 0, 5, 0}, {  0, 0, 0}, 16 },
1232        { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, { 24, 8, 0}, 32 },
1233        { {  0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, {  0, 0, 0},  4 },
1234        { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, {  0, 0, 0}, 24 },
1235        { {  0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, {  0, 0, 0},  0 },       /* textmode with (default) VGA8x16 */
1236        { {  0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, {  0, 0, 0},  0 },       /* textmode hardwired to VGA8x8 */
1237};
1238
1239/* initialized by setup, see explanation at end of file (search for MODULE_PARM_DESC) */
1240static unsigned int mem;                /* "matroxfb:mem:xxxxxM" */
1241static int option_precise_width = 1;    /* cannot be changed, option_precise_width==0 must imply noaccel */
1242static int inv24;                       /* "matroxfb:inv24" */
1243static int cross4MB = -1;               /* "matroxfb:cross4MB" */
1244static int disabled;                    /* "matroxfb:disabled" */
1245static int noaccel;                     /* "matroxfb:noaccel" */
1246static int nopan;                       /* "matroxfb:nopan" */
1247static int no_pci_retry;                /* "matroxfb:nopciretry" */
1248static int novga;                       /* "matroxfb:novga" */
1249static int nobios;                      /* "matroxfb:nobios" */
1250static int noinit = 1;                  /* "matroxfb:init" */
1251static int inverse;                     /* "matroxfb:inverse" */
1252static int sgram;                       /* "matroxfb:sgram" */
1253static int mtrr = 1;                    /* "matroxfb:nomtrr" */
1254static int grayscale;                   /* "matroxfb:grayscale" */
1255static int dev = -1;                    /* "matroxfb:dev:xxxxx" */
1256static unsigned int vesa = ~0;          /* "matroxfb:vesa:xxxxx" */
1257static int depth = -1;                  /* "matroxfb:depth:xxxxx" */
1258static unsigned int xres;               /* "matroxfb:xres:xxxxx" */
1259static unsigned int yres;               /* "matroxfb:yres:xxxxx" */
1260static unsigned int upper = ~0;         /* "matroxfb:upper:xxxxx" */
1261static unsigned int lower = ~0;         /* "matroxfb:lower:xxxxx" */
1262static unsigned int vslen;              /* "matroxfb:vslen:xxxxx" */
1263static unsigned int left = ~0;          /* "matroxfb:left:xxxxx" */
1264static unsigned int right = ~0;         /* "matroxfb:right:xxxxx" */
1265static unsigned int hslen;              /* "matroxfb:hslen:xxxxx" */
1266static unsigned int pixclock;           /* "matroxfb:pixclock:xxxxx" */
1267static int sync = -1;                   /* "matroxfb:sync:xxxxx" */
1268static unsigned int fv;                 /* "matroxfb:fv:xxxxx" */
1269static unsigned int fh;                 /* "matroxfb:fh:xxxxxk" */
1270static unsigned int maxclk;             /* "matroxfb:maxclk:xxxxM" */
1271static int dfp;                         /* "matroxfb:dfp */
1272static int dfp_type = -1;               /* "matroxfb:dfp:xxx */
1273static int memtype = -1;                /* "matroxfb:memtype:xxx" */
1274static char outputs[8];                 /* "matroxfb:outputs:xxx" */
1275
1276#ifndef MODULE
1277static char videomode[64];              /* "matroxfb:mode:xxxxx" or "matroxfb:xxxxx" */
1278#endif
1279
1280static int matroxfb_getmemory(struct matrox_fb_info *minfo,
1281                              unsigned int maxSize, unsigned int *realSize)
1282{
1283        vaddr_t vm;
1284        unsigned int offs;
1285        unsigned int offs2;
1286        unsigned char orig;
1287        unsigned char bytes[32];
1288        unsigned char* tmp;
1289
1290        DBG(__func__)
1291
1292        vm = minfo->video.vbase;
1293        maxSize &= ~0x1FFFFF;   /* must be X*2MB (really it must be 2 or X*4MB) */
1294        /* at least 2MB */
1295        if (maxSize < 0x0200000) return 0;
1296        if (maxSize > 0x2000000) maxSize = 0x2000000;
1297
1298        mga_outb(M_EXTVGA_INDEX, 0x03);
1299        orig = mga_inb(M_EXTVGA_DATA);
1300        mga_outb(M_EXTVGA_DATA, orig | 0x80);
1301
1302        tmp = bytes;
1303        for (offs = 0x100000; offs < maxSize; offs += 0x200000)
1304                *tmp++ = mga_readb(vm, offs);
1305        for (offs = 0x100000; offs < maxSize; offs += 0x200000)
1306                mga_writeb(vm, offs, 0x02);
1307        mga_outb(M_CACHEFLUSH, 0x00);
1308        for (offs = 0x100000; offs < maxSize; offs += 0x200000) {
1309                if (mga_readb(vm, offs) != 0x02)
1310                        break;
1311                mga_writeb(vm, offs, mga_readb(vm, offs) - 0x02);
1312                if (mga_readb(vm, offs))
1313                        break;
1314        }
1315        tmp = bytes;
1316        for (offs2 = 0x100000; offs2 < maxSize; offs2 += 0x200000)
1317                mga_writeb(vm, offs2, *tmp++);
1318
1319        mga_outb(M_EXTVGA_INDEX, 0x03);
1320        mga_outb(M_EXTVGA_DATA, orig);
1321
1322        *realSize = offs - 0x100000;
1323#ifdef CONFIG_FB_MATROX_MILLENIUM
1324        minfo->interleave = !(!isMillenium(minfo) || ((offs - 0x100000) & 0x3FFFFF));
1325#endif
1326        return 1;
1327}
1328
1329struct video_board {
1330        int maxvram;
1331        int maxdisplayable;
1332        int accelID;
1333        struct matrox_switch* lowlevel;
1334                 };
1335#ifdef CONFIG_FB_MATROX_MILLENIUM
1336static struct video_board vbMillennium = {
1337        .maxvram = 0x0800000,
1338        .maxdisplayable = 0x0800000,
1339        .accelID = FB_ACCEL_MATROX_MGA2064W,
1340        .lowlevel = &matrox_millennium
1341};
1342
1343static struct video_board vbMillennium2 = {
1344        .maxvram = 0x1000000,
1345        .maxdisplayable = 0x0800000,
1346        .accelID = FB_ACCEL_MATROX_MGA2164W,
1347        .lowlevel = &matrox_millennium
1348};
1349
1350static struct video_board vbMillennium2A = {
1351        .maxvram = 0x1000000,
1352        .maxdisplayable = 0x0800000,
1353        .accelID = FB_ACCEL_MATROX_MGA2164W_AGP,
1354        .lowlevel = &matrox_millennium
1355};
1356#endif  /* CONFIG_FB_MATROX_MILLENIUM */
1357#ifdef CONFIG_FB_MATROX_MYSTIQUE
1358static struct video_board vbMystique = {
1359        .maxvram = 0x0800000,
1360        .maxdisplayable = 0x0800000,
1361        .accelID = FB_ACCEL_MATROX_MGA1064SG,
1362        .lowlevel = &matrox_mystique
1363};
1364#endif  /* CONFIG_FB_MATROX_MYSTIQUE */
1365#ifdef CONFIG_FB_MATROX_G
1366static struct video_board vbG100 = {
1367        .maxvram = 0x0800000,
1368        .maxdisplayable = 0x0800000,
1369        .accelID = FB_ACCEL_MATROX_MGAG100,
1370        .lowlevel = &matrox_G100
1371};
1372
1373static struct video_board vbG200 = {
1374        .maxvram = 0x1000000,
1375        .maxdisplayable = 0x1000000,
1376        .accelID = FB_ACCEL_MATROX_MGAG200,
1377        .lowlevel = &matrox_G100
1378};
1379static struct video_board vbG200eW = {
1380        .maxvram = 0x800000,
1381        .maxdisplayable = 0x800000,
1382        .accelID = FB_ACCEL_MATROX_MGAG200,
1383        .lowlevel = &matrox_G100
1384};
1385/* from doc it looks like that accelerator can draw only to low 16MB :-( Direct accesses & displaying are OK for
1386   whole 32MB */
1387static struct video_board vbG400 = {
1388        .maxvram = 0x2000000,
1389        .maxdisplayable = 0x1000000,
1390        .accelID = FB_ACCEL_MATROX_MGAG400,
1391        .lowlevel = &matrox_G100
1392};
1393#endif
1394
1395#define DEVF_VIDEO64BIT         0x0001
1396#define DEVF_SWAPS              0x0002
1397#define DEVF_SRCORG             0x0004
1398#define DEVF_DUALHEAD           0x0008
1399#define DEVF_CROSS4MB           0x0010
1400#define DEVF_TEXT4B             0x0020
1401/* #define DEVF_recycled        0x0040  */
1402/* #define DEVF_recycled        0x0080  */
1403#define DEVF_SUPPORT32MB        0x0100
1404#define DEVF_ANY_VXRES          0x0200
1405#define DEVF_TEXT16B            0x0400
1406#define DEVF_CRTC2              0x0800
1407#define DEVF_MAVEN_CAPABLE      0x1000
1408#define DEVF_PANELLINK_CAPABLE  0x2000
1409#define DEVF_G450DAC            0x4000
1410
1411#define DEVF_GCORE      (DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB)
1412#define DEVF_G2CORE     (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_MAVEN_CAPABLE | DEVF_PANELLINK_CAPABLE | DEVF_SRCORG | DEVF_DUALHEAD)
1413#define DEVF_G100       (DEVF_GCORE) /* no doc, no vxres... */
1414#define DEVF_G200       (DEVF_G2CORE)
1415#define DEVF_G400       (DEVF_G2CORE | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2)
1416/* if you'll find how to drive DFP... */
1417#define DEVF_G450       (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2 | DEVF_G450DAC | DEVF_SRCORG | DEVF_DUALHEAD)
1418#define DEVF_G550       (DEVF_G450)
1419
1420static struct board {
1421        unsigned short vendor, device, rev, svid, sid;
1422        unsigned int flags;
1423        unsigned int maxclk;
1424        enum mga_chip chip;
1425        struct video_board* base;
1426        const char* name;
1427                } dev_list[] = {
1428#ifdef CONFIG_FB_MATROX_MILLENIUM
1429        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL,       0xFF,
1430                0,                      0,
1431                DEVF_TEXT4B,
1432                230000,
1433                MGA_2064,
1434                &vbMillennium,
1435                "Millennium (PCI)"},
1436        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2,     0xFF,
1437                0,                      0,
1438                DEVF_SWAPS,
1439                220000,
1440                MGA_2164,
1441                &vbMillennium2,
1442                "Millennium II (PCI)"},
1443        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2_AGP, 0xFF,
1444                0,                      0,
1445                DEVF_SWAPS,
1446                250000,
1447                MGA_2164,
1448                &vbMillennium2A,
1449                "Millennium II (AGP)"},
1450#endif
1451#ifdef CONFIG_FB_MATROX_MYSTIQUE
1452        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,       0x02,
1453                0,                      0,
1454                DEVF_VIDEO64BIT | DEVF_CROSS4MB,
1455                180000,
1456                MGA_1064,
1457                &vbMystique,
1458                "Mystique (PCI)"},
1459        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,       0xFF,
1460                0,                      0,
1461                DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB,
1462                220000,
1463                MGA_1164,
1464                &vbMystique,
1465                "Mystique 220 (PCI)"},
1466        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS_AGP,   0x02,
1467                0,                      0,
1468                DEVF_VIDEO64BIT | DEVF_CROSS4MB,
1469                180000,
1470                MGA_1064,
1471                &vbMystique,
1472                "Mystique (AGP)"},
1473        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS_AGP,   0xFF,
1474                0,                      0,
1475                DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB,
1476                220000,
1477                MGA_1164,
1478                &vbMystique,
1479                "Mystique 220 (AGP)"},
1480#endif
1481#ifdef CONFIG_FB_MATROX_G
1482        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_MM,   0xFF,
1483                0,                      0,
1484                DEVF_G100,
1485                230000,
1486                MGA_G100,
1487                &vbG100,
1488                "MGA-G100 (PCI)"},
1489        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_AGP,  0xFF,
1490                0,                      0,
1491                DEVF_G100,
1492                230000,
1493                MGA_G100,
1494                &vbG100,
1495                "MGA-G100 (AGP)"},
1496        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_PCI,  0xFF,
1497                0,                      0,
1498                DEVF_G200,
1499                250000,
1500                MGA_G200,
1501                &vbG200,
1502                "MGA-G200 (PCI)"},
1503        {PCI_VENDOR_ID_MATROX,  0x0532, 0xFF,
1504                0,                      0,
1505                DEVF_G200,
1506                250000,
1507                MGA_G200,
1508                &vbG200eW,
1509                "MGA-G200eW (PCI)"},
1510        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1511                PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_GENERIC,
1512                DEVF_G200,
1513                220000,
1514                MGA_G200,
1515                &vbG200,
1516                "MGA-G200 (AGP)"},
1517        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1518                PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MYSTIQUE_G200_AGP,
1519                DEVF_G200,
1520                230000,
1521                MGA_G200,
1522                &vbG200,
1523                "Mystique G200 (AGP)"},
1524        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1525                PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MILLENIUM_G200_AGP,
1526                DEVF_G200,
1527                250000,
1528                MGA_G200,
1529                &vbG200,
1530                "Millennium G200 (AGP)"},
1531        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1532                PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MARVEL_G200_AGP,
1533                DEVF_G200,
1534                230000,
1535                MGA_G200,
1536                &vbG200,
1537                "Marvel G200 (AGP)"},
1538        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1539                PCI_SS_VENDOR_ID_SIEMENS_NIXDORF,       PCI_SS_ID_SIEMENS_MGA_G200_AGP,
1540                DEVF_G200,
1541                230000,
1542                MGA_G200,
1543                &vbG200,
1544                "MGA-G200 (AGP)"},
1545        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1546                0,                      0,
1547                DEVF_G200,
1548                230000,
1549                MGA_G200,
1550                &vbG200,
1551                "G200 (AGP)"},
1552        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0x80,
1553                PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MILLENNIUM_G400_MAX_AGP,
1554                DEVF_G400,
1555                360000,
1556                MGA_G400,
1557                &vbG400,
1558                "Millennium G400 MAX (AGP)"},
1559        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0x80,
1560                0,                      0,
1561                DEVF_G400,
1562                300000,
1563                MGA_G400,
1564                &vbG400,
1565                "G400 (AGP)"},
1566        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0xFF,
1567                0,                      0,
1568                DEVF_G450,
1569                360000,
1570                MGA_G450,
1571                &vbG400,
1572                "G450"},
1573        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G550,      0xFF,
1574                0,                      0,
1575                DEVF_G550,
1576                360000,
1577                MGA_G550,
1578                &vbG400,
1579                "G550"},
1580#endif
1581        {0,                     0,                              0xFF,
1582                0,                      0,
1583                0,
1584                0,
1585                0,
1586                NULL,
1587                NULL}};
1588
1589#ifndef MODULE
1590static const struct fb_videomode defaultmode = {
1591        /* 640x480 @ 60Hz, 31.5 kHz */
1592        NULL, 60, 640, 480, 39721, 40, 24, 32, 11, 96, 2,
1593        0, FB_VMODE_NONINTERLACED
1594};
1595
1596static int hotplug = 0;
1597#endif /* !MODULE */
1598
1599static void setDefaultOutputs(struct matrox_fb_info *minfo)
1600{
1601        unsigned int i;
1602        const char* ptr;
1603
1604        minfo->outputs[0].default_src = MATROXFB_SRC_CRTC1;
1605        if (minfo->devflags.g450dac) {
1606                minfo->outputs[1].default_src = MATROXFB_SRC_CRTC1;
1607                minfo->outputs[2].default_src = MATROXFB_SRC_CRTC1;
1608        } else if (dfp) {
1609                minfo->outputs[2].default_src = MATROXFB_SRC_CRTC1;
1610        }
1611        ptr = outputs;
1612        for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1613                char c = *ptr++;
1614
1615                if (c == 0) {
1616                        break;
1617                }
1618                if (c == '0') {
1619                        minfo->outputs[i].default_src = MATROXFB_SRC_NONE;
1620                } else if (c == '1') {
1621                        minfo->outputs[i].default_src = MATROXFB_SRC_CRTC1;
1622                } else if (c == '2' && minfo->devflags.crtc2) {
1623                        minfo->outputs[i].default_src = MATROXFB_SRC_CRTC2;
1624                } else {
1625                        printk(KERN_ERR "matroxfb: Unknown outputs setting\n");
1626                        break;
1627                }
1628        }
1629        /* Nullify this option for subsequent adapters */
1630        outputs[0] = 0;
1631}
1632
1633static int initMatrox2(struct matrox_fb_info *minfo, struct board *b)
1634{
1635        unsigned long ctrlptr_phys = 0;
1636        unsigned long video_base_phys = 0;
1637        unsigned int memsize;
1638        int err;
1639
1640        static const struct pci_device_id intel_82437[] = {
1641                { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82437) },
1642                { },
1643        };
1644
1645        DBG(__func__)
1646
1647        /* set default values... */
1648        vesafb_defined.accel_flags = FB_ACCELF_TEXT;
1649
1650        minfo->hw_switch = b->base->lowlevel;
1651        minfo->devflags.accelerator = b->base->accelID;
1652        minfo->max_pixel_clock = b->maxclk;
1653
1654        printk(KERN_INFO "matroxfb: Matrox %s detected\n", b->name);
1655        minfo->capable.plnwt = 1;
1656        minfo->chip = b->chip;
1657        minfo->capable.srcorg = b->flags & DEVF_SRCORG;
1658        minfo->devflags.video64bits = b->flags & DEVF_VIDEO64BIT;
1659        if (b->flags & DEVF_TEXT4B) {
1660                minfo->devflags.vgastep = 4;
1661                minfo->devflags.textmode = 4;
1662                minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP16;
1663        } else if (b->flags & DEVF_TEXT16B) {
1664                minfo->devflags.vgastep = 16;
1665                minfo->devflags.textmode = 1;
1666                minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP16;
1667        } else {
1668                minfo->devflags.vgastep = 8;
1669                minfo->devflags.textmode = 1;
1670                minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP8;
1671        }
1672        minfo->devflags.support32MB = (b->flags & DEVF_SUPPORT32MB) != 0;
1673        minfo->devflags.precise_width = !(b->flags & DEVF_ANY_VXRES);
1674        minfo->devflags.crtc2 = (b->flags & DEVF_CRTC2) != 0;
1675        minfo->devflags.maven_capable = (b->flags & DEVF_MAVEN_CAPABLE) != 0;
1676        minfo->devflags.dualhead = (b->flags & DEVF_DUALHEAD) != 0;
1677        minfo->devflags.dfp_type = dfp_type;
1678        minfo->devflags.g450dac = (b->flags & DEVF_G450DAC) != 0;
1679        minfo->devflags.textstep = minfo->devflags.vgastep * minfo->devflags.textmode;
1680        minfo->devflags.textvram = 65536 / minfo->devflags.textmode;
1681        setDefaultOutputs(minfo);
1682        if (b->flags & DEVF_PANELLINK_CAPABLE) {
1683                minfo->outputs[2].data = minfo;
1684                minfo->outputs[2].output = &panellink_output;
1685                minfo->outputs[2].src = minfo->outputs[2].default_src;
1686                minfo->outputs[2].mode = MATROXFB_OUTPUT_MODE_MONITOR;
1687                minfo->devflags.panellink = 1;
1688        }
1689
1690        if (minfo->capable.cross4MB < 0)
1691                minfo->capable.cross4MB = b->flags & DEVF_CROSS4MB;
1692        if (b->flags & DEVF_SWAPS) {
1693                ctrlptr_phys = pci_resource_start(minfo->pcidev, 1);
1694                video_base_phys = pci_resource_start(minfo->pcidev, 0);
1695                minfo->devflags.fbResource = PCI_BASE_ADDRESS_0;
1696        } else {
1697                ctrlptr_phys = pci_resource_start(minfo->pcidev, 0);
1698                video_base_phys = pci_resource_start(minfo->pcidev, 1);
1699                minfo->devflags.fbResource = PCI_BASE_ADDRESS_1;
1700        }
1701        err = -EINVAL;
1702        if (!ctrlptr_phys) {
1703                printk(KERN_ERR "matroxfb: control registers are not available, matroxfb disabled\n");
1704                goto fail;
1705        }
1706        if (!video_base_phys) {
1707                printk(KERN_ERR "matroxfb: video RAM is not available in PCI address space, matroxfb disabled\n");
1708                goto fail;
1709        }
1710        memsize = b->base->maxvram;
1711        if (!request_mem_region(ctrlptr_phys, 16384, "matroxfb MMIO")) {
1712                goto fail;
1713        }
1714        if (!request_mem_region(video_base_phys, memsize, "matroxfb FB")) {
1715                goto failCtrlMR;
1716        }
1717        minfo->video.len_maximum = memsize;
1718        /* convert mem (autodetect k, M) */
1719        if (mem < 1024) mem *= 1024;
1720        if (mem < 0x00100000) mem *= 1024;
1721
1722        if (mem && (mem < memsize))
1723                memsize = mem;
1724        err = -ENOMEM;
1725
1726        minfo->mmio.vbase.vaddr = ioremap(ctrlptr_phys, 16384);
1727        if (!minfo->mmio.vbase.vaddr) {
1728                printk(KERN_ERR "matroxfb: cannot ioremap(%lX, 16384), matroxfb disabled\n", ctrlptr_phys);
1729                goto failVideoMR;
1730        }
1731        minfo->mmio.base = ctrlptr_phys;
1732        minfo->mmio.len = 16384;
1733        minfo->video.base = video_base_phys;
1734        minfo->video.vbase.vaddr = ioremap_wc(video_base_phys, memsize);
1735        if (!minfo->video.vbase.vaddr) {
1736                printk(KERN_ERR "matroxfb: cannot ioremap(%lX, %d), matroxfb disabled\n",
1737                        video_base_phys, memsize);
1738                goto failCtrlIO;
1739        }
1740        {
1741                u_int32_t cmd;
1742                u_int32_t mga_option;
1743
1744                pci_read_config_dword(minfo->pcidev, PCI_OPTION_REG, &mga_option);
1745                pci_read_config_dword(minfo->pcidev, PCI_COMMAND, &cmd);
1746                mga_option &= 0x7FFFFFFF; /* clear BIG_ENDIAN */
1747                mga_option |= MX_OPTION_BSWAP;
1748                /* disable palette snooping */
1749                cmd &= ~PCI_COMMAND_VGA_PALETTE;
1750                if (pci_dev_present(intel_82437)) {
1751                        if (!(mga_option & 0x20000000) && !minfo->devflags.nopciretry) {
1752                                printk(KERN_WARNING "matroxfb: Disabling PCI retries due to i82437 present\n");
1753                        }
1754                        mga_option |= 0x20000000;
1755                        minfo->devflags.nopciretry = 1;
1756                }
1757                pci_write_config_dword(minfo->pcidev, PCI_COMMAND, cmd);
1758                pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, mga_option);
1759                minfo->hw.MXoptionReg = mga_option;
1760
1761                /* select non-DMA memory for PCI_MGA_DATA, otherwise dump of PCI cfg space can lock PCI bus */
1762                /* maybe preinit() candidate, but it is same... for all devices... at this time... */
1763                pci_write_config_dword(minfo->pcidev, PCI_MGA_INDEX, 0x00003C00);
1764        }
1765
1766        err = -ENXIO;
1767        matroxfb_read_pins(minfo);
1768        if (minfo->hw_switch->preinit(minfo)) {
1769                goto failVideoIO;
1770        }
1771
1772        err = -ENOMEM;
1773        if (!matroxfb_getmemory(minfo, memsize, &minfo->video.len) || !minfo->video.len) {
1774                printk(KERN_ERR "matroxfb: cannot determine memory size\n");
1775                goto failVideoIO;
1776        }
1777        minfo->devflags.ydstorg = 0;
1778
1779        minfo->video.base = video_base_phys;
1780        minfo->video.len_usable = minfo->video.len;
1781        if (minfo->video.len_usable > b->base->maxdisplayable)
1782                minfo->video.len_usable = b->base->maxdisplayable;
1783        if (mtrr)
1784                minfo->wc_cookie = arch_phys_wc_add(video_base_phys,
1785                                                    minfo->video.len);
1786
1787        if (!minfo->devflags.novga)
1788                request_region(0x3C0, 32, "matrox");
1789        matroxfb_g450_connect(minfo);
1790        minfo->hw_switch->reset(minfo);
1791
1792        minfo->fbcon.monspecs.hfmin = 0;
1793        minfo->fbcon.monspecs.hfmax = fh;
1794        minfo->fbcon.monspecs.vfmin = 0;
1795        minfo->fbcon.monspecs.vfmax = fv;
1796        minfo->fbcon.monspecs.dpms = 0; /* TBD */
1797
1798        /* static settings */
1799        vesafb_defined.red = colors[depth-1].red;
1800        vesafb_defined.green = colors[depth-1].green;
1801        vesafb_defined.blue = colors[depth-1].blue;
1802        vesafb_defined.bits_per_pixel = colors[depth-1].bits_per_pixel;
1803        vesafb_defined.grayscale = grayscale;
1804        vesafb_defined.vmode = 0;
1805        if (noaccel)
1806                vesafb_defined.accel_flags &= ~FB_ACCELF_TEXT;
1807
1808        minfo->fbops = matroxfb_ops;
1809        minfo->fbcon.fbops = &minfo->fbops;
1810        minfo->fbcon.pseudo_palette = minfo->cmap;
1811        minfo->fbcon.flags = FBINFO_PARTIAL_PAN_OK |     /* Prefer panning for scroll under MC viewer/edit */
1812                                      FBINFO_HWACCEL_COPYAREA |  /* We have hw-assisted bmove */
1813                                      FBINFO_HWACCEL_FILLRECT |  /* And fillrect */
1814                                      FBINFO_HWACCEL_IMAGEBLIT | /* And imageblit */
1815                                      FBINFO_HWACCEL_XPAN |      /* And we support both horizontal */
1816                                      FBINFO_HWACCEL_YPAN |      /* And vertical panning */
1817                                      FBINFO_READS_FAST;
1818        minfo->video.len_usable &= PAGE_MASK;
1819        fb_alloc_cmap(&minfo->fbcon.cmap, 256, 1);
1820
1821#ifndef MODULE
1822        /* mode database is marked __init!!! */
1823        if (!hotplug) {
1824                fb_find_mode(&vesafb_defined, &minfo->fbcon, videomode[0] ? videomode : NULL,
1825                        NULL, 0, &defaultmode, vesafb_defined.bits_per_pixel);
1826        }
1827#endif /* !MODULE */
1828
1829        /* mode modifiers */
1830        if (hslen)
1831                vesafb_defined.hsync_len = hslen;
1832        if (vslen)
1833                vesafb_defined.vsync_len = vslen;
1834        if (left != ~0)
1835                vesafb_defined.left_margin = left;
1836        if (right != ~0)
1837                vesafb_defined.right_margin = right;
1838        if (upper != ~0)
1839                vesafb_defined.upper_margin = upper;
1840        if (lower != ~0)
1841                vesafb_defined.lower_margin = lower;
1842        if (xres)
1843                vesafb_defined.xres = xres;
1844        if (yres)
1845                vesafb_defined.yres = yres;
1846        if (sync != -1)
1847                vesafb_defined.sync = sync;
1848        else if (vesafb_defined.sync == ~0) {
1849                vesafb_defined.sync = 0;
1850                if (yres < 400)
1851                        vesafb_defined.sync |= FB_SYNC_HOR_HIGH_ACT;
1852                else if (yres < 480)
1853                        vesafb_defined.sync |= FB_SYNC_VERT_HIGH_ACT;
1854        }
1855
1856        /* fv, fh, maxclk limits was specified */
1857        {
1858                unsigned int tmp;
1859
1860                if (fv) {
1861                        tmp = fv * (vesafb_defined.upper_margin + vesafb_defined.yres
1862                                  + vesafb_defined.lower_margin + vesafb_defined.vsync_len);
1863                        if ((tmp < fh) || (fh == 0)) fh = tmp;
1864                }
1865                if (fh) {
1866                        tmp = fh * (vesafb_defined.left_margin + vesafb_defined.xres
1867                                  + vesafb_defined.right_margin + vesafb_defined.hsync_len);
1868                        if ((tmp < maxclk) || (maxclk == 0)) maxclk = tmp;
1869                }
1870                tmp = (maxclk + 499) / 500;
1871                if (tmp) {
1872                        tmp = (2000000000 + tmp) / tmp;
1873                        if (tmp > pixclock) pixclock = tmp;
1874                }
1875        }
1876        if (pixclock) {
1877                if (pixclock < 2000)            /* > 500MHz */
1878                        pixclock = 4000;        /* 250MHz */
1879                if (pixclock > 1000000)
1880                        pixclock = 1000000;     /* 1MHz */
1881                vesafb_defined.pixclock = pixclock;
1882        }
1883
1884        /* FIXME: Where to move this?! */
1885#if defined(CONFIG_PPC_PMAC)
1886#ifndef MODULE
1887        if (machine_is(powermac)) {
1888                struct fb_var_screeninfo var;
1889
1890                if (default_vmode <= 0 || default_vmode > VMODE_MAX)
1891                        default_vmode = VMODE_640_480_60;
1892#if defined(CONFIG_PPC32)
1893                if (IS_REACHABLE(CONFIG_NVRAM) && default_cmode == CMODE_NVRAM)
1894                        default_cmode = nvram_read_byte(NV_CMODE);
1895#endif
1896                if (default_cmode < CMODE_8 || default_cmode > CMODE_32)
1897                        default_cmode = CMODE_8;
1898                if (!mac_vmode_to_var(default_vmode, default_cmode, &var)) {
1899                        var.accel_flags = vesafb_defined.accel_flags;
1900                        var.xoffset = var.yoffset = 0;
1901                        /* Note: mac_vmode_to_var() does not set all parameters */
1902                        vesafb_defined = var;
1903                }
1904        }
1905#endif /* !MODULE */
1906#endif /* CONFIG_PPC_PMAC */
1907        vesafb_defined.xres_virtual = vesafb_defined.xres;
1908        if (nopan) {
1909                vesafb_defined.yres_virtual = vesafb_defined.yres;
1910        } else {
1911                vesafb_defined.yres_virtual = 65536; /* large enough to be INF, but small enough
1912                                                        to yres_virtual * xres_virtual < 2^32 */
1913        }
1914        matroxfb_init_fix(minfo);
1915        minfo->fbcon.screen_base = vaddr_va(minfo->video.vbase);
1916        /* Normalize values (namely yres_virtual) */
1917        matroxfb_check_var(&vesafb_defined, &minfo->fbcon);
1918        /* And put it into "current" var. Do NOT program hardware yet, or we'll not take over
1919         * vgacon correctly. fbcon_startup will call fb_set_par for us, WITHOUT check_var,
1920         * and unfortunately it will do it BEFORE vgacon contents is saved, so it won't work
1921         * anyway. But we at least tried... */
1922        minfo->fbcon.var = vesafb_defined;
1923        err = -EINVAL;
1924
1925        printk(KERN_INFO "matroxfb: %dx%dx%dbpp (virtual: %dx%d)\n",
1926                vesafb_defined.xres, vesafb_defined.yres, vesafb_defined.bits_per_pixel,
1927                vesafb_defined.xres_virtual, vesafb_defined.yres_virtual);
1928        printk(KERN_INFO "matroxfb: framebuffer at 0x%lX, mapped to 0x%p, size %d\n",
1929                minfo->video.base, vaddr_va(minfo->video.vbase), minfo->video.len);
1930
1931/* We do not have to set currcon to 0... register_framebuffer do it for us on first console
1932 * and we do not want currcon == 0 for subsequent framebuffers */
1933
1934        minfo->fbcon.device = &minfo->pcidev->dev;
1935        if (register_framebuffer(&minfo->fbcon) < 0) {
1936                goto failVideoIO;
1937        }
1938        fb_info(&minfo->fbcon, "%s frame buffer device\n", minfo->fbcon.fix.id);
1939
1940        /* there is no console on this fb... but we have to initialize hardware
1941         * until someone tells me what is proper thing to do */
1942        if (!minfo->initialized) {
1943                fb_info(&minfo->fbcon, "initializing hardware\n");
1944                /* We have to use FB_ACTIVATE_FORCE, as we had to put vesafb_defined to the fbcon.var
1945                 * already before, so register_framebuffer works correctly. */
1946                vesafb_defined.activate |= FB_ACTIVATE_FORCE;
1947                fb_set_var(&minfo->fbcon, &vesafb_defined);
1948        }
1949
1950        return 0;
1951failVideoIO:;
1952        matroxfb_g450_shutdown(minfo);
1953        iounmap(minfo->video.vbase.vaddr);
1954failCtrlIO:;
1955        iounmap(minfo->mmio.vbase.vaddr);
1956failVideoMR:;
1957        release_mem_region(video_base_phys, minfo->video.len_maximum);
1958failCtrlMR:;
1959        release_mem_region(ctrlptr_phys, 16384);
1960fail:;
1961        return err;
1962}
1963
1964static LIST_HEAD(matroxfb_list);
1965static LIST_HEAD(matroxfb_driver_list);
1966
1967#define matroxfb_l(x) list_entry(x, struct matrox_fb_info, next_fb)
1968#define matroxfb_driver_l(x) list_entry(x, struct matroxfb_driver, node)
1969int matroxfb_register_driver(struct matroxfb_driver* drv) {
1970        struct matrox_fb_info* minfo;
1971
1972        list_add(&drv->node, &matroxfb_driver_list);
1973        for (minfo = matroxfb_l(matroxfb_list.next);
1974             minfo != matroxfb_l(&matroxfb_list);
1975             minfo = matroxfb_l(minfo->next_fb.next)) {
1976                void* p;
1977
1978                if (minfo->drivers_count == MATROXFB_MAX_FB_DRIVERS)
1979                        continue;
1980                p = drv->probe(minfo);
1981                if (p) {
1982                        minfo->drivers_data[minfo->drivers_count] = p;
1983                        minfo->drivers[minfo->drivers_count++] = drv;
1984                }
1985        }
1986        return 0;
1987}
1988
1989void matroxfb_unregister_driver(struct matroxfb_driver* drv) {
1990        struct matrox_fb_info* minfo;
1991
1992        list_del(&drv->node);
1993        for (minfo = matroxfb_l(matroxfb_list.next);
1994             minfo != matroxfb_l(&matroxfb_list);
1995             minfo = matroxfb_l(minfo->next_fb.next)) {
1996                int i;
1997
1998                for (i = 0; i < minfo->drivers_count; ) {
1999                        if (minfo->drivers[i] == drv) {
2000                                if (drv && drv->remove)
2001                                        drv->remove(minfo, minfo->drivers_data[i]);
2002                                minfo->drivers[i] = minfo->drivers[--minfo->drivers_count];
2003                                minfo->drivers_data[i] = minfo->drivers_data[minfo->drivers_count];
2004                        } else
2005                                i++;
2006                }
2007        }
2008}
2009
2010static void matroxfb_register_device(struct matrox_fb_info* minfo) {
2011        struct matroxfb_driver* drv;
2012        int i = 0;
2013        list_add(&minfo->next_fb, &matroxfb_list);
2014        for (drv = matroxfb_driver_l(matroxfb_driver_list.next);
2015             drv != matroxfb_driver_l(&matroxfb_driver_list);
2016             drv = matroxfb_driver_l(drv->node.next)) {
2017                if (drv->probe) {
2018                        void *p = drv->probe(minfo);
2019                        if (p) {
2020                                minfo->drivers_data[i] = p;
2021                                minfo->drivers[i++] = drv;
2022                                if (i == MATROXFB_MAX_FB_DRIVERS)
2023                                        break;
2024                        }
2025                }
2026        }
2027        minfo->drivers_count = i;
2028}
2029
2030static void matroxfb_unregister_device(struct matrox_fb_info* minfo) {
2031        int i;
2032
2033        list_del(&minfo->next_fb);
2034        for (i = 0; i < minfo->drivers_count; i++) {
2035                struct matroxfb_driver* drv = minfo->drivers[i];
2036
2037                if (drv && drv->remove)
2038                        drv->remove(minfo, minfo->drivers_data[i]);
2039        }
2040}
2041
2042static int matroxfb_probe(struct pci_dev* pdev, const struct pci_device_id* dummy) {
2043        struct board* b;
2044        u_int16_t svid;
2045        u_int16_t sid;
2046        struct matrox_fb_info* minfo;
2047        int err;
2048        u_int32_t cmd;
2049        DBG(__func__)
2050
2051        svid = pdev->subsystem_vendor;
2052        sid = pdev->subsystem_device;
2053        for (b = dev_list; b->vendor; b++) {
2054                if ((b->vendor != pdev->vendor) || (b->device != pdev->device) || (b->rev < pdev->revision)) continue;
2055                if (b->svid)
2056                        if ((b->svid != svid) || (b->sid != sid)) continue;
2057                break;
2058        }
2059        /* not match... */
2060        if (!b->vendor)
2061                return -ENODEV;
2062        if (dev > 0) {
2063                /* not requested one... */
2064                dev--;
2065                return -ENODEV;
2066        }
2067        pci_read_config_dword(pdev, PCI_COMMAND, &cmd);
2068        if (pci_enable_device(pdev)) {
2069                return -1;
2070        }
2071
2072        minfo = kzalloc(sizeof(*minfo), GFP_KERNEL);
2073        if (!minfo)
2074                return -ENOMEM;
2075
2076        minfo->pcidev = pdev;
2077        minfo->dead = 0;
2078        minfo->usecount = 0;
2079        minfo->userusecount = 0;
2080
2081        pci_set_drvdata(pdev, minfo);
2082        /* DEVFLAGS */
2083        minfo->devflags.memtype = memtype;
2084        if (memtype != -1)
2085                noinit = 0;
2086        if (cmd & PCI_COMMAND_MEMORY) {
2087                minfo->devflags.novga = novga;
2088                minfo->devflags.nobios = nobios;
2089                minfo->devflags.noinit = noinit;
2090                /* subsequent heads always needs initialization and must not enable BIOS */
2091                novga = 1;
2092                nobios = 1;
2093                noinit = 0;
2094        } else {
2095                minfo->devflags.novga = 1;
2096                minfo->devflags.nobios = 1;
2097                minfo->devflags.noinit = 0;
2098        }
2099
2100        minfo->devflags.nopciretry = no_pci_retry;
2101        minfo->devflags.mga_24bpp_fix = inv24;
2102        minfo->devflags.precise_width = option_precise_width;
2103        minfo->devflags.sgram = sgram;
2104        minfo->capable.cross4MB = cross4MB;
2105
2106        spin_lock_init(&minfo->lock.DAC);
2107        spin_lock_init(&minfo->lock.accel);
2108        init_rwsem(&minfo->crtc2.lock);
2109        init_rwsem(&minfo->altout.lock);
2110        mutex_init(&minfo->fbcon.mm_lock);
2111        minfo->irq_flags = 0;
2112        init_waitqueue_head(&minfo->crtc1.vsync.wait);
2113        init_waitqueue_head(&minfo->crtc2.vsync.wait);
2114        minfo->crtc1.panpos = -1;
2115
2116        err = initMatrox2(minfo, b);
2117        if (!err) {
2118                matroxfb_register_device(minfo);
2119                return 0;
2120        }
2121        kfree(minfo);
2122        return -1;
2123}
2124
2125static void pci_remove_matrox(struct pci_dev* pdev) {
2126        struct matrox_fb_info* minfo;
2127
2128        minfo = pci_get_drvdata(pdev);
2129        matroxfb_remove(minfo, 1);
2130}
2131
2132static const struct pci_device_id matroxfb_devices[] = {
2133#ifdef CONFIG_FB_MATROX_MILLENIUM
2134        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL,
2135                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2136        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2,
2137                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2138        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2_AGP,
2139                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2140#endif
2141#ifdef CONFIG_FB_MATROX_MYSTIQUE
2142        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,
2143                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2144#endif
2145#ifdef CONFIG_FB_MATROX_G
2146        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_MM,
2147                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2148        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_AGP,
2149                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2150        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_PCI,
2151                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2152        {PCI_VENDOR_ID_MATROX,  0x0532,
2153                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2154        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,
2155                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2156        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,
2157                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2158        {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G550,
2159                PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2160#endif
2161        {0,                     0,
2162                0,              0,              0, 0, 0}
2163};
2164
2165MODULE_DEVICE_TABLE(pci, matroxfb_devices);
2166
2167
2168static struct pci_driver matroxfb_driver = {
2169        .name =         "matroxfb",
2170        .id_table =     matroxfb_devices,
2171        .probe =        matroxfb_probe,
2172        .remove =       pci_remove_matrox,
2173};
2174
2175/* **************************** init-time only **************************** */
2176
2177#define RSResolution(X) ((X) & 0x0F)
2178#define RS640x400       1
2179#define RS640x480       2
2180#define RS800x600       3
2181#define RS1024x768      4
2182#define RS1280x1024     5
2183#define RS1600x1200     6
2184#define RS768x576       7
2185#define RS960x720       8
2186#define RS1152x864      9
2187#define RS1408x1056     10
2188#define RS640x350       11
2189#define RS1056x344      12      /* 132 x 43 text */
2190#define RS1056x400      13      /* 132 x 50 text */
2191#define RS1056x480      14      /* 132 x 60 text */
2192#define RSNoxNo         15
2193/* 10-FF */
2194static struct { int xres, yres, left, right, upper, lower, hslen, vslen, vfreq; } timmings[] __initdata = {
2195        {  640,  400,  48, 16, 39,  8,  96, 2, 70 },
2196        {  640,  480,  48, 16, 33, 10,  96, 2, 60 },
2197        {  800,  600, 144, 24, 28,  8, 112, 6, 60 },
2198        { 1024,  768, 160, 32, 30,  4, 128, 4, 60 },
2199        { 1280, 1024, 224, 32, 32,  4, 136, 4, 60 },
2200        { 1600, 1200, 272, 48, 32,  5, 152, 5, 60 },
2201        {  768,  576, 144, 16, 28,  6, 112, 4, 60 },
2202        {  960,  720, 144, 24, 28,  8, 112, 4, 60 },
2203        { 1152,  864, 192, 32, 30,  4, 128, 4, 60 },
2204        { 1408, 1056, 256, 40, 32,  5, 144, 5, 60 },
2205        {  640,  350,  48, 16, 39,  8,  96, 2, 70 },
2206        { 1056,  344,  96, 24, 59, 44, 160, 2, 70 },
2207        { 1056,  400,  96, 24, 39,  8, 160, 2, 70 },
2208        { 1056,  480,  96, 24, 36, 12, 160, 3, 60 },
2209        {    0,    0,  ~0, ~0, ~0, ~0,   0, 0,  0 }
2210};
2211
2212#define RSCreate(X,Y)   ((X) | ((Y) << 8))
2213static struct { unsigned int vesa; unsigned int info; } *RSptr, vesamap[] __initdata = {
2214/* default must be first */
2215        {    ~0, RSCreate(RSNoxNo,     RS8bpp ) },
2216        { 0x101, RSCreate(RS640x480,   RS8bpp ) },
2217        { 0x100, RSCreate(RS640x400,   RS8bpp ) },
2218        { 0x180, RSCreate(RS768x576,   RS8bpp ) },
2219        { 0x103, RSCreate(RS800x600,   RS8bpp ) },
2220        { 0x188, RSCreate(RS960x720,   RS8bpp ) },
2221        { 0x105, RSCreate(RS1024x768,  RS8bpp ) },
2222        { 0x190, RSCreate(RS1152x864,  RS8bpp ) },
2223        { 0x107, RSCreate(RS1280x1024, RS8bpp ) },
2224        { 0x198, RSCreate(RS1408x1056, RS8bpp ) },
2225        { 0x11C, RSCreate(RS1600x1200, RS8bpp ) },
2226        { 0x110, RSCreate(RS640x480,   RS15bpp) },
2227        { 0x181, RSCreate(RS768x576,   RS15bpp) },
2228        { 0x113, RSCreate(RS800x600,   RS15bpp) },
2229        { 0x189, RSCreate(RS960x720,   RS15bpp) },
2230        { 0x116, RSCreate(RS1024x768,  RS15bpp) },
2231        { 0x191, RSCreate(RS1152x864,  RS15bpp) },
2232        { 0x119, RSCreate(RS1280x1024, RS15bpp) },
2233        { 0x199, RSCreate(RS1408x1056, RS15bpp) },
2234        { 0x11D, RSCreate(RS1600x1200, RS15bpp) },
2235        { 0x111, RSCreate(RS640x480,   RS16bpp) },
2236        { 0x182, RSCreate(RS768x576,   RS16bpp) },
2237        { 0x114, RSCreate(RS800x600,   RS16bpp) },
2238        { 0x18A, RSCreate(RS960x720,   RS16bpp) },
2239        { 0x117, RSCreate(RS1024x768,  RS16bpp) },
2240        { 0x192, RSCreate(RS1152x864,  RS16bpp) },
2241        { 0x11A, RSCreate(RS1280x1024, RS16bpp) },
2242        { 0x19A, RSCreate(RS1408x1056, RS16bpp) },
2243        { 0x11E, RSCreate(RS1600x1200, RS16bpp) },
2244        { 0x1B2, RSCreate(RS640x480,   RS24bpp) },
2245        { 0x184, RSCreate(RS768x576,   RS24bpp) },
2246        { 0x1B5, RSCreate(RS800x600,   RS24bpp) },
2247        { 0x18C, RSCreate(RS960x720,   RS24bpp) },
2248        { 0x1B8, RSCreate(RS1024x768,  RS24bpp) },
2249        { 0x194, RSCreate(RS1152x864,  RS24bpp) },
2250        { 0x1BB, RSCreate(RS1280x1024, RS24bpp) },
2251        { 0x19C, RSCreate(RS1408x1056, RS24bpp) },
2252        { 0x1BF, RSCreate(RS1600x1200, RS24bpp) },
2253        { 0x112, RSCreate(RS640x480,   RS32bpp) },
2254        { 0x183, RSCreate(RS768x576,   RS32bpp) },
2255        { 0x115, RSCreate(RS800x600,   RS32bpp) },
2256        { 0x18B, RSCreate(RS960x720,   RS32bpp) },
2257        { 0x118, RSCreate(RS1024x768,  RS32bpp) },
2258        { 0x193, RSCreate(RS1152x864,  RS32bpp) },
2259        { 0x11B, RSCreate(RS1280x1024, RS32bpp) },
2260        { 0x19B, RSCreate(RS1408x1056, RS32bpp) },
2261        { 0x11F, RSCreate(RS1600x1200, RS32bpp) },
2262        { 0x010, RSCreate(RS640x350,   RS4bpp ) },
2263        { 0x012, RSCreate(RS640x480,   RS4bpp ) },
2264        { 0x102, RSCreate(RS800x600,   RS4bpp ) },
2265        { 0x104, RSCreate(RS1024x768,  RS4bpp ) },
2266        { 0x106, RSCreate(RS1280x1024, RS4bpp ) },
2267        {     0, 0                              }};
2268
2269static void __init matroxfb_init_params(void) {
2270        /* fh from kHz to Hz */
2271        if (fh < 1000)
2272                fh *= 1000;     /* 1kHz minimum */
2273        /* maxclk */
2274        if (maxclk < 1000) maxclk *= 1000;      /* kHz -> Hz, MHz -> kHz */
2275        if (maxclk < 1000000) maxclk *= 1000;   /* kHz -> Hz, 1MHz minimum */
2276        /* fix VESA number */
2277        if (vesa != ~0)
2278                vesa &= 0x1DFF;         /* mask out clearscreen, acceleration and so on */
2279
2280        /* static settings */
2281        for (RSptr = vesamap; RSptr->vesa; RSptr++) {
2282                if (RSptr->vesa == vesa) break;
2283        }
2284        if (!RSptr->vesa) {
2285                printk(KERN_ERR "Invalid vesa mode 0x%04X\n", vesa);
2286                RSptr = vesamap;
2287        }
2288        {
2289                int res = RSResolution(RSptr->info)-1;
2290                if (left == ~0)
2291                        left = timmings[res].left;
2292                if (!xres)
2293                        xres = timmings[res].xres;
2294                if (right == ~0)
2295                        right = timmings[res].right;
2296                if (!hslen)
2297                        hslen = timmings[res].hslen;
2298                if (upper == ~0)
2299                        upper = timmings[res].upper;
2300                if (!yres)
2301                        yres = timmings[res].yres;
2302                if (lower == ~0)
2303                        lower = timmings[res].lower;
2304                if (!vslen)
2305                        vslen = timmings[res].vslen;
2306                if (!(fv||fh||maxclk||pixclock))
2307                        fv = timmings[res].vfreq;
2308                if (depth == -1)
2309                        depth = RSDepth(RSptr->info);
2310        }
2311}
2312
2313static int __init matrox_init(void) {
2314        int err;
2315
2316        matroxfb_init_params();
2317        err = pci_register_driver(&matroxfb_driver);
2318        dev = -1;       /* accept all new devices... */
2319        return err;
2320}
2321
2322/* **************************** exit-time only **************************** */
2323
2324static void __exit matrox_done(void) {
2325        pci_unregister_driver(&matroxfb_driver);
2326}
2327
2328#ifndef MODULE
2329
2330/* ************************* init in-kernel code ************************** */
2331
2332static int __init matroxfb_setup(char *options) {
2333        char *this_opt;
2334
2335        DBG(__func__)
2336
2337        if (!options || !*options)
2338                return 0;
2339
2340        while ((this_opt = strsep(&options, ",")) != NULL) {
2341                if (!*this_opt) continue;
2342
2343                dprintk("matroxfb_setup: option %s\n", this_opt);
2344
2345                if (!strncmp(this_opt, "dev:", 4))
2346                        dev = simple_strtoul(this_opt+4, NULL, 0);
2347                else if (!strncmp(this_opt, "depth:", 6)) {
2348                        switch (simple_strtoul(this_opt+6, NULL, 0)) {
2349                                case 0: depth = RSText; break;
2350                                case 4: depth = RS4bpp; break;
2351                                case 8: depth = RS8bpp; break;
2352                                case 15:depth = RS15bpp; break;
2353                                case 16:depth = RS16bpp; break;
2354                                case 24:depth = RS24bpp; break;
2355                                case 32:depth = RS32bpp; break;
2356                                default:
2357                                        printk(KERN_ERR "matroxfb: unsupported color depth\n");
2358                        }
2359                } else if (!strncmp(this_opt, "xres:", 5))
2360                        xres = simple_strtoul(this_opt+5, NULL, 0);
2361                else if (!strncmp(this_opt, "yres:", 5))
2362                        yres = simple_strtoul(this_opt+5, NULL, 0);
2363                else if (!strncmp(this_opt, "vslen:", 6))
2364                        vslen = simple_strtoul(this_opt+6, NULL, 0);
2365                else if (!strncmp(this_opt, "hslen:", 6))
2366                        hslen = simple_strtoul(this_opt+6, NULL, 0);
2367                else if (!strncmp(this_opt, "left:", 5))
2368                        left = simple_strtoul(this_opt+5, NULL, 0);
2369                else if (!strncmp(this_opt, "right:", 6))
2370                        right = simple_strtoul(this_opt+6, NULL, 0);
2371                else if (!strncmp(this_opt, "upper:", 6))
2372                        upper = simple_strtoul(this_opt+6, NULL, 0);
2373                else if (!strncmp(this_opt, "lower:", 6))
2374                        lower = simple_strtoul(this_opt+6, NULL, 0);
2375                else if (!strncmp(this_opt, "pixclock:", 9))
2376                        pixclock = simple_strtoul(this_opt+9, NULL, 0);
2377                else if (!strncmp(this_opt, "sync:", 5))
2378                        sync = simple_strtoul(this_opt+5, NULL, 0);
2379                else if (!strncmp(this_opt, "vesa:", 5))
2380                        vesa = simple_strtoul(this_opt+5, NULL, 0);
2381                else if (!strncmp(this_opt, "maxclk:", 7))
2382                        maxclk = simple_strtoul(this_opt+7, NULL, 0);
2383                else if (!strncmp(this_opt, "fh:", 3))
2384                        fh = simple_strtoul(this_opt+3, NULL, 0);
2385                else if (!strncmp(this_opt, "fv:", 3))
2386                        fv = simple_strtoul(this_opt+3, NULL, 0);
2387                else if (!strncmp(this_opt, "mem:", 4))
2388                        mem = simple_strtoul(this_opt+4, NULL, 0);
2389                else if (!strncmp(this_opt, "mode:", 5))
2390                        strlcpy(videomode, this_opt+5, sizeof(videomode));
2391                else if (!strncmp(this_opt, "outputs:", 8))
2392                        strlcpy(outputs, this_opt+8, sizeof(outputs));
2393                else if (!strncmp(this_opt, "dfp:", 4)) {
2394                        dfp_type = simple_strtoul(this_opt+4, NULL, 0);
2395                        dfp = 1;
2396                }
2397#ifdef CONFIG_PPC_PMAC
2398                else if (!strncmp(this_opt, "vmode:", 6)) {
2399                        unsigned int vmode = simple_strtoul(this_opt+6, NULL, 0);
2400                        if (vmode > 0 && vmode <= VMODE_MAX)
2401                                default_vmode = vmode;
2402                } else if (!strncmp(this_opt, "cmode:", 6)) {
2403                        unsigned int cmode = simple_strtoul(this_opt+6, NULL, 0);
2404                        switch (cmode) {
2405                                case 0:
2406                                case 8:
2407                                        default_cmode = CMODE_8;
2408                                        break;
2409                                case 15:
2410                                case 16:
2411                                        default_cmode = CMODE_16;
2412                                        break;
2413                                case 24:
2414                                case 32:
2415                                        default_cmode = CMODE_32;
2416                                        break;
2417                        }
2418                }
2419#endif
2420                else if (!strcmp(this_opt, "disabled")) /* nodisabled does not exist */
2421                        disabled = 1;
2422                else if (!strcmp(this_opt, "enabled"))  /* noenabled does not exist */
2423                        disabled = 0;
2424                else if (!strcmp(this_opt, "sgram"))    /* nosgram == sdram */
2425                        sgram = 1;
2426                else if (!strcmp(this_opt, "sdram"))
2427                        sgram = 0;
2428                else if (!strncmp(this_opt, "memtype:", 8))
2429                        memtype = simple_strtoul(this_opt+8, NULL, 0);
2430                else {
2431                        int value = 1;
2432
2433                        if (!strncmp(this_opt, "no", 2)) {
2434                                value = 0;
2435                                this_opt += 2;
2436                        }
2437                        if (! strcmp(this_opt, "inverse"))
2438                                inverse = value;
2439                        else if (!strcmp(this_opt, "accel"))
2440                                noaccel = !value;
2441                        else if (!strcmp(this_opt, "pan"))
2442                                nopan = !value;
2443                        else if (!strcmp(this_opt, "pciretry"))
2444                                no_pci_retry = !value;
2445                        else if (!strcmp(this_opt, "vga"))
2446                                novga = !value;
2447                        else if (!strcmp(this_opt, "bios"))
2448                                nobios = !value;
2449                        else if (!strcmp(this_opt, "init"))
2450                                noinit = !value;
2451                        else if (!strcmp(this_opt, "mtrr"))
2452                                mtrr = value;
2453                        else if (!strcmp(this_opt, "inv24"))
2454                                inv24 = value;
2455                        else if (!strcmp(this_opt, "cross4MB"))
2456                                cross4MB = value;
2457                        else if (!strcmp(this_opt, "grayscale"))
2458                                grayscale = value;
2459                        else if (!strcmp(this_opt, "dfp"))
2460                                dfp = value;
2461                        else {
2462                                strlcpy(videomode, this_opt, sizeof(videomode));
2463                        }
2464                }
2465        }
2466        return 0;
2467}
2468
2469static int __initdata initialized = 0;
2470
2471static int __init matroxfb_init(void)
2472{
2473        char *option = NULL;
2474        int err = 0;
2475
2476        DBG(__func__)
2477
2478        if (fb_get_options("matroxfb", &option))
2479                return -ENODEV;
2480        matroxfb_setup(option);
2481
2482        if (disabled)
2483                return -ENXIO;
2484        if (!initialized) {
2485                initialized = 1;
2486                err = matrox_init();
2487        }
2488        hotplug = 1;
2489        /* never return failure, user can hotplug matrox later... */
2490        return err;
2491}
2492
2493module_init(matroxfb_init);
2494
2495#else
2496
2497/* *************************** init module code **************************** */
2498
2499MODULE_AUTHOR("(c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>");
2500MODULE_DESCRIPTION("Accelerated FBDev driver for Matrox Millennium/Mystique/G100/G200/G400/G450/G550");
2501MODULE_LICENSE("GPL");
2502
2503module_param(mem, int, 0);
2504MODULE_PARM_DESC(mem, "Size of available memory in MB, KB or B (2,4,8,12,16MB, default=autodetect)");
2505module_param(disabled, int, 0);
2506MODULE_PARM_DESC(disabled, "Disabled (0 or 1=disabled) (default=0)");
2507module_param(noaccel, int, 0);
2508MODULE_PARM_DESC(noaccel, "Do not use accelerating engine (0 or 1=disabled) (default=0)");
2509module_param(nopan, int, 0);
2510MODULE_PARM_DESC(nopan, "Disable pan on startup (0 or 1=disabled) (default=0)");
2511module_param(no_pci_retry, int, 0);
2512MODULE_PARM_DESC(no_pci_retry, "PCI retries enabled (0 or 1=disabled) (default=0)");
2513module_param(novga, int, 0);
2514MODULE_PARM_DESC(novga, "VGA I/O (0x3C0-0x3DF) disabled (0 or 1=disabled) (default=0)");
2515module_param(nobios, int, 0);
2516MODULE_PARM_DESC(nobios, "Disables ROM BIOS (0 or 1=disabled) (default=do not change BIOS state)");
2517module_param(noinit, int, 0);
2518MODULE_PARM_DESC(noinit, "Disables W/SG/SD-RAM and bus interface initialization (0 or 1=do not initialize) (default=0)");
2519module_param(memtype, int, 0);
2520MODULE_PARM_DESC(memtype, "Memory type for G200/G400 (see Documentation/fb/matroxfb.rst for explanation) (default=3 for G200, 0 for G400)");
2521module_param(mtrr, int, 0);
2522MODULE_PARM_DESC(mtrr, "This speeds up video memory accesses (0=disabled or 1) (default=1)");
2523module_param(sgram, int, 0);
2524MODULE_PARM_DESC(sgram, "Indicates that G100/G200/G400 has SGRAM memory (0=SDRAM, 1=SGRAM) (default=0)");
2525module_param(inv24, int, 0);
2526MODULE_PARM_DESC(inv24, "Inverts clock polarity for 24bpp and loop frequency > 100MHz (default=do not invert polarity)");
2527module_param(inverse, int, 0);
2528MODULE_PARM_DESC(inverse, "Inverse (0 or 1) (default=0)");
2529module_param(dev, int, 0);
2530MODULE_PARM_DESC(dev, "Multihead support, attach to device ID (0..N) (default=all working)");
2531module_param(vesa, int, 0);
2532MODULE_PARM_DESC(vesa, "Startup videomode (0x000-0x1FF) (default=0x101)");
2533module_param(xres, int, 0);
2534MODULE_PARM_DESC(xres, "Horizontal resolution (px), overrides xres from vesa (default=vesa)");
2535module_param(yres, int, 0);
2536MODULE_PARM_DESC(yres, "Vertical resolution (scans), overrides yres from vesa (default=vesa)");
2537module_param(upper, int, 0);
2538MODULE_PARM_DESC(upper, "Upper blank space (scans), overrides upper from vesa (default=vesa)");
2539module_param(lower, int, 0);
2540MODULE_PARM_DESC(lower, "Lower blank space (scans), overrides lower from vesa (default=vesa)");
2541module_param(vslen, int, 0);
2542MODULE_PARM_DESC(vslen, "Vertical sync length (scans), overrides lower from vesa (default=vesa)");
2543module_param(left, int, 0);
2544MODULE_PARM_DESC(left, "Left blank space (px), overrides left from vesa (default=vesa)");
2545module_param(right, int, 0);
2546MODULE_PARM_DESC(right, "Right blank space (px), overrides right from vesa (default=vesa)");
2547module_param(hslen, int, 0);
2548MODULE_PARM_DESC(hslen, "Horizontal sync length (px), overrides hslen from vesa (default=vesa)");
2549module_param(pixclock, int, 0);
2550MODULE_PARM_DESC(pixclock, "Pixelclock (ns), overrides pixclock from vesa (default=vesa)");
2551module_param(sync, int, 0);
2552MODULE_PARM_DESC(sync, "Sync polarity, overrides sync from vesa (default=vesa)");
2553module_param(depth, int, 0);
2554MODULE_PARM_DESC(depth, "Color depth (0=text,8,15,16,24,32) (default=vesa)");
2555module_param(maxclk, int, 0);
2556MODULE_PARM_DESC(maxclk, "Startup maximal clock, 0-999MHz, 1000-999999kHz, 1000000-INF Hz");
2557module_param(fh, int, 0);
2558MODULE_PARM_DESC(fh, "Startup horizontal frequency, 0-999kHz, 1000-INF Hz");
2559module_param(fv, int, 0);
2560MODULE_PARM_DESC(fv, "Startup vertical frequency, 0-INF Hz\n"
2561"You should specify \"fv:max_monitor_vsync,fh:max_monitor_hsync,maxclk:max_monitor_dotclock\"");
2562module_param(grayscale, int, 0);
2563MODULE_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)");
2564module_param(cross4MB, int, 0);
2565MODULE_PARM_DESC(cross4MB, "Specifies that 4MB boundary can be in middle of line. (default=autodetected)");
2566module_param(dfp, int, 0);
2567MODULE_PARM_DESC(dfp, "Specifies whether to use digital flat panel interface of G200/G400 (0 or 1) (default=0)");
2568module_param(dfp_type, int, 0);
2569MODULE_PARM_DESC(dfp_type, "Specifies DFP interface type (0 to 255) (default=read from hardware)");
2570module_param_string(outputs, outputs, sizeof(outputs), 0);
2571MODULE_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)");
2572#ifdef CONFIG_PPC_PMAC
2573module_param_named(vmode, default_vmode, int, 0);
2574MODULE_PARM_DESC(vmode, "Specify the vmode mode number that should be used (640x480 default)");
2575module_param_named(cmode, default_cmode, int, 0);
2576MODULE_PARM_DESC(cmode, "Specify the video depth that should be used (8bit default)");
2577#endif
2578
2579int __init init_module(void){
2580
2581        DBG(__func__)
2582
2583        if (disabled)
2584                return -ENXIO;
2585
2586        if (depth == 0)
2587                depth = RSText;
2588        else if (depth == 4)
2589                depth = RS4bpp;
2590        else if (depth == 8)
2591                depth = RS8bpp;
2592        else if (depth == 15)
2593                depth = RS15bpp;
2594        else if (depth == 16)
2595                depth = RS16bpp;
2596        else if (depth == 24)
2597                depth = RS24bpp;
2598        else if (depth == 32)
2599                depth = RS32bpp;
2600        else if (depth != -1) {
2601                printk(KERN_ERR "matroxfb: depth %d is not supported, using default\n", depth);
2602                depth = -1;
2603        }
2604        matrox_init();
2605        /* never return failure; user can hotplug matrox later... */
2606        return 0;
2607}
2608#endif  /* MODULE */
2609
2610module_exit(matrox_done);
2611EXPORT_SYMBOL(matroxfb_register_driver);
2612EXPORT_SYMBOL(matroxfb_unregister_driver);
2613EXPORT_SYMBOL(matroxfb_wait_for_sync);
2614EXPORT_SYMBOL(matroxfb_enable_irq);
2615
2616/*
2617 * Overrides for Emacs so that we follow Linus's tabbing style.
2618 * ---------------------------------------------------------------------------
2619 * Local variables:
2620 * c-basic-offset: 8
2621 * End:
2622 */
2623
2624