drivers/video/fbdev/matrox/matroxfb_base.h

   1 /*
   2  *
   3  * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200, G400 and G450
   4  *
   5  * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>
   6  *
   7  */
   8 #ifndef __MATROXFB_H__
   9 #define __MATROXFB_H__
  10
  11 /* general, but fairly heavy, debugging */
  12 #undef MATROXFB_DEBUG
  13
  14 /* heavy debugging: */
  15 /* -- logs putc[s], so every time a char is displayed, it's logged */
  16 #undef MATROXFB_DEBUG_HEAVY
  17
  18 /* This one _could_ cause infinite loops */
  19 /* It _does_ cause lots and lots of messages during idle loops */
  20 #undef MATROXFB_DEBUG_LOOP
  21
  22 /* Debug register calls, too? */
  23 #undef MATROXFB_DEBUG_REG
  24
  25 /* Guard accelerator accesses with spin_lock_irqsave... */
  26 #undef MATROXFB_USE_SPINLOCKS
  27
  28 #include <linux/module.h>
  29 #include <linux/kernel.h>
  30 #include <linux/errno.h>
  31 #include <linux/string.h>
  32 #include <linux/mm.h>
  33 #include <linux/slab.h>
  34 #include <linux/delay.h>
  35 #include <linux/fb.h>
  36 #include <linux/console.h>
  37 #include <linux/selection.h>
  38 #include <linux/ioport.h>
  39 #include <linux/init.h>
  40 #include <linux/timer.h>
  41 #include <linux/pci.h>
  42 #include <linux/spinlock.h>
  43 #include <linux/kd.h>
  44
  45 #include <asm/io.h>
  46 #include <asm/unaligned.h>
  47
  48 #if defined(CONFIG_PPC_PMAC)
  49 #include <asm/prom.h>
  50 #include <asm/pci-bridge.h>
  51 #include "../macmodes.h"
  52 #endif
  53
  54 #ifdef MATROXFB_DEBUG
  55
  56 #define DEBUG
  57 #define DBG(x)          printk(KERN_DEBUG "matroxfb: %s\n", (x));
  58
  59 #ifdef MATROXFB_DEBUG_HEAVY
  60 #define DBG_HEAVY(x)    DBG(x)
  61 #else /* MATROXFB_DEBUG_HEAVY */
  62 #define DBG_HEAVY(x)    /* DBG_HEAVY */
  63 #endif /* MATROXFB_DEBUG_HEAVY */
  64
  65 #ifdef MATROXFB_DEBUG_LOOP
  66 #define DBG_LOOP(x)     DBG(x)
  67 #else /* MATROXFB_DEBUG_LOOP */
  68 #define DBG_LOOP(x)     /* DBG_LOOP */
  69 #endif /* MATROXFB_DEBUG_LOOP */
  70
  71 #ifdef MATROXFB_DEBUG_REG
  72 #define DBG_REG(x)      DBG(x)
  73 #else /* MATROXFB_DEBUG_REG */
  74 #define DBG_REG(x)      /* DBG_REG */
  75 #endif /* MATROXFB_DEBUG_REG */
  76
  77 #else /* MATROXFB_DEBUG */
  78
  79 #define DBG(x)          /* DBG */
  80 #define DBG_HEAVY(x)    /* DBG_HEAVY */
  81 #define DBG_REG(x)      /* DBG_REG */
  82 #define DBG_LOOP(x)     /* DBG_LOOP */
  83
  84 #endif /* MATROXFB_DEBUG */
  85
  86 #ifdef DEBUG
  87 #define dprintk(X...)   printk(X)
  88 #else
  89 #define dprintk(X...)
  90 #endif
  91
  92 #ifndef PCI_SS_VENDOR_ID_SIEMENS_NIXDORF
  93 #define PCI_SS_VENDOR_ID_SIEMENS_NIXDORF        0x110A
  94 #endif
  95 #ifndef PCI_SS_VENDOR_ID_MATROX
  96 #define PCI_SS_VENDOR_ID_MATROX         PCI_VENDOR_ID_MATROX
  97 #endif
  98
  99 #ifndef PCI_SS_ID_MATROX_PRODUCTIVA_G100_AGP
 100 #define PCI_SS_ID_MATROX_GENERIC                0xFF00
 101 #define PCI_SS_ID_MATROX_PRODUCTIVA_G100_AGP    0xFF01
 102 #define PCI_SS_ID_MATROX_MYSTIQUE_G200_AGP      0xFF02
 103 #define PCI_SS_ID_MATROX_MILLENIUM_G200_AGP     0xFF03
 104 #define PCI_SS_ID_MATROX_MARVEL_G200_AGP        0xFF04
 105 #define PCI_SS_ID_MATROX_MGA_G100_PCI           0xFF05
 106 #define PCI_SS_ID_MATROX_MGA_G100_AGP           0x1001
 107 #define PCI_SS_ID_MATROX_MILLENNIUM_G400_MAX_AGP        0x2179
 108 #define PCI_SS_ID_SIEMENS_MGA_G100_AGP          0x001E /* 30 */
 109 #define PCI_SS_ID_SIEMENS_MGA_G200_AGP          0x0032 /* 50 */
 110 #endif
 111
 112 #define MX_VISUAL_TRUECOLOR     FB_VISUAL_DIRECTCOLOR
 113 #define MX_VISUAL_DIRECTCOLOR   FB_VISUAL_TRUECOLOR
 114 #define MX_VISUAL_PSEUDOCOLOR   FB_VISUAL_PSEUDOCOLOR
 115
 116 #define CNVT_TOHW(val,width) ((((val)<<(width))+0x7FFF-(val))>>16)
 117
 118 /* G-series and Mystique have (almost) same DAC */
 119 #undef NEED_DAC1064
 120 #if defined(CONFIG_FB_MATROX_MYSTIQUE) || defined(CONFIG_FB_MATROX_G)
 121 #define NEED_DAC1064 1
 122 #endif
 123
 124 typedef struct {
 125         void __iomem*   vaddr;
 126 } vaddr_t;
 127
 128 static inline unsigned int mga_readb(vaddr_t va, unsigned int offs) {
 129         return readb(va.vaddr + offs);
 130 }
 131
 132 static inline void mga_writeb(vaddr_t va, unsigned int offs, u_int8_t value) {
 133         writeb(value, va.vaddr + offs);
 134 }
 135
 136 static inline void mga_writew(vaddr_t va, unsigned int offs, u_int16_t value) {
 137         writew(value, va.vaddr + offs);
 138 }
 139
 140 static inline u_int32_t mga_readl(vaddr_t va, unsigned int offs) {
 141         return readl(va.vaddr + offs);
 142 }
 143
 144 static inline void mga_writel(vaddr_t va, unsigned int offs, u_int32_t value) {
 145         writel(value, va.vaddr + offs);
 146 }
 147
 148 static inline void mga_memcpy_toio(vaddr_t va, const void* src, int len) {
 149 #if defined(__alpha__) || defined(__i386__) || defined(__x86_64__)
 150         /*
 151          * iowrite32_rep works for us if:
 152          *  (1) Copies data as 32bit quantities, not byte after byte,
 153          *  (2) Performs LE ordered stores, and
 154          *  (3) It copes with unaligned source (destination is guaranteed to be page
 155          *      aligned and length is guaranteed to be multiple of 4).
 156          */
 157         iowrite32_rep(va.vaddr, src, len >> 2);
 158 #else
 159         u_int32_t __iomem* addr = va.vaddr;
 160
 161         if ((unsigned long)src & 3) {
 162                 while (len >= 4) {
 163                         fb_writel(get_unaligned((u32 *)src), addr);
 164                         addr++;
 165                         len -= 4;
 166                         src += 4;
 167                 }
 168         } else {
 169                 while (len >= 4) {
 170                         fb_writel(*(u32 *)src, addr);
 171                         addr++;
 172                         len -= 4;
 173                         src += 4;
 174                 }
 175         }
 176 #endif
 177 }
 178
 179 static inline void vaddr_add(vaddr_t* va, unsigned long offs) {
 180         va->vaddr += offs;
 181 }
 182
 183 static inline void __iomem* vaddr_va(vaddr_t va) {
 184         return va.vaddr;
 185 }
 186
 187 struct my_timming {
 188         unsigned int pixclock;
 189         int mnp;
 190         unsigned int crtc;
 191         unsigned int HDisplay;
 192         unsigned int HSyncStart;
 193         unsigned int HSyncEnd;
 194         unsigned int HTotal;
 195         unsigned int VDisplay;
 196         unsigned int VSyncStart;
 197         unsigned int VSyncEnd;
 198         unsigned int VTotal;
 199         unsigned int sync;
 200         int          dblscan;
 201         int          interlaced;
 202         unsigned int delay;     /* CRTC delay */
 203 };
 204
 205 enum { M_SYSTEM_PLL, M_PIXEL_PLL_A, M_PIXEL_PLL_B, M_PIXEL_PLL_C, M_VIDEO_PLL };
 206
 207 struct matrox_pll_cache {
 208         unsigned int    valid;
 209         struct {
 210                 unsigned int    mnp_key;
 211                 unsigned int    mnp_value;
 212                       } data[4];
 213 };
 214
 215 struct matrox_pll_limits {
 216         unsigned int    vcomin;
 217         unsigned int    vcomax;
 218 };
 219
 220 struct matrox_pll_features {
 221         unsigned int    vco_freq_min;
 222         unsigned int    ref_freq;
 223         unsigned int    feed_div_min;
 224         unsigned int    feed_div_max;
 225         unsigned int    in_div_min;
 226         unsigned int    in_div_max;
 227         unsigned int    post_shift_max;
 228 };
 229
 230 struct matroxfb_par
 231 {
 232         unsigned int    final_bppShift;
 233         unsigned int    cmap_len;
 234         struct {
 235                 unsigned int bytes;
 236                 unsigned int pixels;
 237                 unsigned int chunks;
 238                       } ydstorg;
 239 };
 240
 241 struct matrox_fb_info;
 242
 243 struct matrox_DAC1064_features {
 244         u_int8_t        xvrefctrl;
 245         u_int8_t        xmiscctrl;
 246 };
 247
 248 /* current hardware status */
 249 struct mavenregs {
 250         u_int8_t regs[256];
 251         int      mode;
 252         int      vlines;
 253         int      xtal;
 254         int      fv;
 255
 256         u_int16_t htotal;
 257         u_int16_t hcorr;
 258 };
 259
 260 struct matrox_crtc2 {
 261         u_int32_t ctl;
 262 };
 263
 264 struct matrox_hw_state {
 265         u_int32_t       MXoptionReg;
 266         unsigned char   DACclk[6];
 267         unsigned char   DACreg[80];
 268         unsigned char   MiscOutReg;
 269         unsigned char   DACpal[768];
 270         unsigned char   CRTC[25];
 271         unsigned char   CRTCEXT[9];
 272         unsigned char   SEQ[5];
 273         /* unused for MGA mode, but who knows... */
 274         unsigned char   GCTL[9];
 275         /* unused for MGA mode, but who knows... */
 276         unsigned char   ATTR[21];
 277
 278         /* TVOut only */
 279         struct mavenregs        maven;
 280
 281         struct matrox_crtc2     crtc2;
 282 };
 283
 284 struct matrox_accel_data {
 285 #ifdef CONFIG_FB_MATROX_MILLENIUM
 286         unsigned char   ramdac_rev;
 287 #endif
 288         u_int32_t       m_dwg_rect;
 289         u_int32_t       m_opmode;
 290         u_int32_t       m_access;
 291         u_int32_t       m_pitch;
 292 };
 293
 294 struct v4l2_queryctrl;
 295 struct v4l2_control;
 296
 297 struct matrox_altout {
 298         const char      *name;
 299         int             (*compute)(void* altout_dev, struct my_timming* input);
 300         int             (*program)(void* altout_dev);
 301         int             (*start)(void* altout_dev);
 302         int             (*verifymode)(void* altout_dev, u_int32_t mode);
 303         int             (*getqueryctrl)(void* altout_dev,
 304                                         struct v4l2_queryctrl* ctrl);
 305         int             (*getctrl)(void* altout_dev,
 306                                    struct v4l2_control* ctrl);
 307         int             (*setctrl)(void* altout_dev,
 308                                    struct v4l2_control* ctrl);
 309 };
 310
 311 #define MATROXFB_SRC_NONE       0
 312 #define MATROXFB_SRC_CRTC1      1
 313 #define MATROXFB_SRC_CRTC2      2
 314
 315 enum mga_chip { MGA_2064, MGA_2164, MGA_1064, MGA_1164, MGA_G100, MGA_G200, MGA_G400, MGA_G450, MGA_G550 };
 316
 317 struct matrox_bios {
 318         unsigned int    bios_valid : 1;
 319         unsigned int    pins_len;
 320         unsigned char   pins[128];
 321         struct {
 322                 unsigned char vMaj, vMin, vRev;
 323                       } version;
 324         struct {
 325                 unsigned char state, tvout;
 326                       } output;
 327 };
 328
 329 struct matrox_switch;
 330 struct matroxfb_driver;
 331 struct matroxfb_dh_fb_info;
 332
 333 struct matrox_vsync {
 334         wait_queue_head_t       wait;
 335         unsigned int            cnt;
 336 };
 337
 338 struct matrox_fb_info {
 339         struct fb_info          fbcon;
 340
 341         struct list_head        next_fb;
 342
 343         int                     dead;
 344         int                     initialized;
 345         unsigned int            usecount;
 346
 347         unsigned int            userusecount;
 348         unsigned long           irq_flags;
 349
 350         struct matroxfb_par     curr;
 351         struct matrox_hw_state  hw;
 352
 353         struct matrox_accel_data accel;
 354
 355         struct pci_dev*         pcidev;
 356
 357         struct {
 358                 struct matrox_vsync     vsync;
 359                 unsigned int    pixclock;
 360                 int             mnp;
 361                 int             panpos;
 362                               } crtc1;
 363         struct {
 364                 struct matrox_vsync     vsync;
 365                 unsigned int    pixclock;
 366                 int             mnp;
 367         struct matroxfb_dh_fb_info*     info;
 368         struct rw_semaphore     lock;
 369                               } crtc2;
 370         struct {
 371         struct rw_semaphore     lock;
 372         struct {
 373                 int brightness, contrast, saturation, hue, gamma;
 374                 int testout, deflicker;
 375                                 } tvo_params;
 376                               } altout;
 377 #define MATROXFB_MAX_OUTPUTS            3
 378         struct {
 379         unsigned int            src;
 380         struct matrox_altout*   output;
 381         void*                   data;
 382         unsigned int            mode;
 383         unsigned int            default_src;
 384                               } outputs[MATROXFB_MAX_OUTPUTS];
 385
 386 #define MATROXFB_MAX_FB_DRIVERS         5
 387         struct matroxfb_driver* (drivers[MATROXFB_MAX_FB_DRIVERS]);
 388         void*                   (drivers_data[MATROXFB_MAX_FB_DRIVERS]);
 389         unsigned int            drivers_count;
 390
 391         struct {
 392         unsigned long   base;   /* physical */
 393         vaddr_t         vbase;  /* CPU view */
 394         unsigned int    len;
 395         unsigned int    len_usable;
 396         unsigned int    len_maximum;
 397                       } video;
 398
 399         struct {
 400         unsigned long   base;   /* physical */
 401         vaddr_t         vbase;  /* CPU view */
 402         unsigned int    len;
 403                       } mmio;
 404
 405         unsigned int    max_pixel_clock;
 406         unsigned int    max_pixel_clock_panellink;
 407
 408         struct matrox_switch*   hw_switch;
 409
 410         struct {
 411                 struct matrox_pll_features pll;
 412                 struct matrox_DAC1064_features DAC1064;
 413                               } features;
 414         struct {
 415                 spinlock_t      DAC;
 416                 spinlock_t      accel;
 417                               } lock;
 418
 419         enum mga_chip           chip;
 420
 421         int                     interleave;
 422         int                     millenium;
 423         int                     milleniumII;
 424         struct {
 425                 int             cfb4;
 426                 const int*      vxres;
 427                 int             cross4MB;
 428                 int             text;
 429                 int             plnwt;
 430                 int             srcorg;
 431                               } capable;
 432         int                     wc_cookie;
 433         struct {
 434                 int             precise_width;
 435                 int             mga_24bpp_fix;
 436                 int             novga;
 437                 int             nobios;
 438                 int             nopciretry;
 439                 int             noinit;
 440                 int             sgram;
 441                 int             support32MB;
 442
 443                 int             accelerator;
 444                 int             text_type_aux;
 445                 int             video64bits;
 446                 int             crtc2;
 447                 int             maven_capable;
 448                 unsigned int    vgastep;
 449                 unsigned int    textmode;
 450                 unsigned int    textstep;
 451                 unsigned int    textvram;       /* character cells */
 452                 unsigned int    ydstorg;        /* offset in bytes from video start to usable memory */
 453                                                 /* 0 except for 6MB Millenium */
 454                 int             memtype;
 455                 int             g450dac;
 456                 int             dfp_type;
 457                 int             panellink;      /* G400 DFP possible (not G450/G550) */
 458                 int             dualhead;
 459                 unsigned int    fbResource;
 460                               } devflags;
 461         struct fb_ops           fbops;
 462         struct matrox_bios      bios;
 463         struct {
 464                 struct matrox_pll_limits        pixel;
 465                 struct matrox_pll_limits        system;
 466                 struct matrox_pll_limits        video;
 467                               } limits;
 468         struct {
 469                 struct matrox_pll_cache pixel;
 470                 struct matrox_pll_cache system;
 471                 struct matrox_pll_cache video;
 472                                       } cache;
 473         struct {
 474                 struct {
 475                         unsigned int    video;
 476                         unsigned int    system;
 477                                       } pll;
 478                 struct {
 479                         u_int32_t       opt;
 480                         u_int32_t       opt2;
 481                         u_int32_t       opt3;
 482                         u_int32_t       mctlwtst;
 483                         u_int32_t       mctlwtst_core;
 484                         u_int32_t       memmisc;
 485                         u_int32_t       memrdbk;
 486                         u_int32_t       maccess;
 487                                       } reg;
 488                 struct {
 489                         unsigned int    ddr:1,
 490                                         emrswen:1,
 491                                         dll:1;
 492                                       } memory;
 493                               } values;
 494         u_int32_t cmap[16];
 495 };
 496
 497 #define info2minfo(info) container_of(info, struct matrox_fb_info, fbcon)
 498
 499 struct matrox_switch {
 500         int     (*preinit)(struct matrox_fb_info *minfo);
 501         void    (*reset)(struct matrox_fb_info *minfo);
 502         int     (*init)(struct matrox_fb_info *minfo, struct my_timming*);
 503         void    (*restore)(struct matrox_fb_info *minfo);
 504 };
 505
 506 struct matroxfb_driver {
 507         struct list_head        node;
 508         char*                   name;
 509         void*                   (*probe)(struct matrox_fb_info* info);
 510         void                    (*remove)(struct matrox_fb_info* info, void* data);
 511 };
 512
 513 int matroxfb_register_driver(struct matroxfb_driver* drv);
 514 void matroxfb_unregister_driver(struct matroxfb_driver* drv);
 515
 516 #define PCI_OPTION_REG  0x40
 517 #define   PCI_OPTION_ENABLE_ROM         0x40000000
 518
 519 #define PCI_MGA_INDEX   0x44
 520 #define PCI_MGA_DATA    0x48
 521 #define PCI_OPTION2_REG 0x50
 522 #define PCI_OPTION3_REG 0x54
 523 #define PCI_MEMMISC_REG 0x58
 524
 525 #define M_DWGCTL        0x1C00
 526 #define M_MACCESS       0x1C04
 527 #define M_CTLWTST       0x1C08
 528
 529 #define M_PLNWT         0x1C1C
 530
 531 #define M_BCOL          0x1C20
 532 #define M_FCOL          0x1C24
 533
 534 #define M_SGN           0x1C58
 535 #define M_LEN           0x1C5C
 536 #define M_AR0           0x1C60
 537 #define M_AR1           0x1C64
 538 #define M_AR2           0x1C68
 539 #define M_AR3           0x1C6C
 540 #define M_AR4           0x1C70
 541 #define M_AR5           0x1C74
 542 #define M_AR6           0x1C78
 543
 544 #define M_CXBNDRY       0x1C80
 545 #define M_FXBNDRY       0x1C84
 546 #define M_YDSTLEN       0x1C88
 547 #define M_PITCH         0x1C8C
 548 #define M_YDST          0x1C90
 549 #define M_YDSTORG       0x1C94
 550 #define M_YTOP          0x1C98
 551 #define M_YBOT          0x1C9C
 552
 553 /* mystique only */
 554 #define M_CACHEFLUSH    0x1FFF
 555
 556 #define M_EXEC          0x0100
 557
 558 #define M_DWG_TRAP      0x04
 559 #define M_DWG_BITBLT    0x08
 560 #define M_DWG_ILOAD     0x09
 561
 562 #define M_DWG_LINEAR    0x0080
 563 #define M_DWG_SOLID     0x0800
 564 #define M_DWG_ARZERO    0x1000
 565 #define M_DWG_SGNZERO   0x2000
 566 #define M_DWG_SHIFTZERO 0x4000
 567
 568 #define M_DWG_REPLACE   0x000C0000
 569 #define M_DWG_REPLACE2  (M_DWG_REPLACE | 0x40)
 570 #define M_DWG_XOR       0x00060010
 571
 572 #define M_DWG_BFCOL     0x04000000
 573 #define M_DWG_BMONOWF   0x08000000
 574
 575 #define M_DWG_TRANSC    0x40000000
 576
 577 #define M_FIFOSTATUS    0x1E10
 578 #define M_STATUS        0x1E14
 579 #define M_ICLEAR        0x1E18
 580 #define M_IEN           0x1E1C
 581
 582 #define M_VCOUNT        0x1E20
 583
 584 #define M_RESET         0x1E40
 585 #define M_MEMRDBK       0x1E44
 586
 587 #define M_AGP2PLL       0x1E4C
 588
 589 #define M_OPMODE        0x1E54
 590 #define     M_OPMODE_DMA_GEN_WRITE      0x00
 591 #define     M_OPMODE_DMA_BLIT           0x04
 592 #define     M_OPMODE_DMA_VECTOR_WRITE   0x08
 593 #define     M_OPMODE_DMA_LE             0x0000          /* little endian - no transformation */
 594 #define     M_OPMODE_DMA_BE_8BPP        0x0000
 595 #define     M_OPMODE_DMA_BE_16BPP       0x0100
 596 #define     M_OPMODE_DMA_BE_32BPP       0x0200
 597 #define     M_OPMODE_DIR_LE             0x000000        /* little endian - no transformation */
 598 #define     M_OPMODE_DIR_BE_8BPP        0x000000
 599 #define     M_OPMODE_DIR_BE_16BPP       0x010000
 600 #define     M_OPMODE_DIR_BE_32BPP       0x020000
 601
 602 #define M_ATTR_INDEX    0x1FC0
 603 #define M_ATTR_DATA     0x1FC1
 604
 605 #define M_MISC_REG      0x1FC2
 606 #define M_3C2_RD        0x1FC2
 607
 608 #define M_SEQ_INDEX     0x1FC4
 609 #define M_SEQ_DATA      0x1FC5
 610 #define     M_SEQ1              0x01
 611 #define        M_SEQ1_SCROFF            0x20
 612
 613 #define M_MISC_REG_READ 0x1FCC
 614
 615 #define M_GRAPHICS_INDEX 0x1FCE
 616 #define M_GRAPHICS_DATA 0x1FCF
 617
 618 #define M_CRTC_INDEX    0x1FD4
 619
 620 #define M_ATTR_RESET    0x1FDA
 621 #define M_3DA_WR        0x1FDA
 622 #define M_INSTS1        0x1FDA
 623
 624 #define M_EXTVGA_INDEX  0x1FDE
 625 #define M_EXTVGA_DATA   0x1FDF
 626
 627 /* G200 only */
 628 #define M_SRCORG        0x2CB4
 629 #define M_DSTORG        0x2CB8
 630
 631 #define M_RAMDAC_BASE   0x3C00
 632
 633 /* fortunately, same on TVP3026 and MGA1064 */
 634 #define M_DAC_REG       (M_RAMDAC_BASE+0)
 635 #define M_DAC_VAL       (M_RAMDAC_BASE+1)
 636 #define M_PALETTE_MASK  (M_RAMDAC_BASE+2)
 637
 638 #define M_X_INDEX       0x00
 639 #define M_X_DATAREG     0x0A
 640
 641 #define DAC_XGENIOCTRL          0x2A
 642 #define DAC_XGENIODATA          0x2B
 643
 644 #define M_C2CTL         0x3C10
 645
 646 #define MX_OPTION_BSWAP         0x00000000
 647
 648 #ifdef __LITTLE_ENDIAN
 649 #define M_OPMODE_4BPP   (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT)
 650 #define M_OPMODE_8BPP   (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT)
 651 #define M_OPMODE_16BPP  (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT)
 652 #define M_OPMODE_24BPP  (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT)
 653 #define M_OPMODE_32BPP  (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT)
 654 #else
 655 #ifdef __BIG_ENDIAN
 656 #define M_OPMODE_4BPP   (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE       | M_OPMODE_DMA_BLIT)   /* TODO */
 657 #define M_OPMODE_8BPP   (M_OPMODE_DMA_LE | M_OPMODE_DIR_BE_8BPP  | M_OPMODE_DMA_BLIT)
 658 #define M_OPMODE_16BPP  (M_OPMODE_DMA_LE | M_OPMODE_DIR_BE_16BPP | M_OPMODE_DMA_BLIT)
 659 #define M_OPMODE_24BPP  (M_OPMODE_DMA_LE | M_OPMODE_DIR_BE_8BPP  | M_OPMODE_DMA_BLIT)   /* TODO, ?32 */
 660 #define M_OPMODE_32BPP  (M_OPMODE_DMA_LE | M_OPMODE_DIR_BE_32BPP | M_OPMODE_DMA_BLIT)
 661 #else
 662 #error "Byte ordering have to be defined. Cannot continue."
 663 #endif
 664 #endif
 665
 666 #define mga_inb(addr)           mga_readb(minfo->mmio.vbase, (addr))
 667 #define mga_inl(addr)           mga_readl(minfo->mmio.vbase, (addr))
 668 #define mga_outb(addr,val)      mga_writeb(minfo->mmio.vbase, (addr), (val))
 669 #define mga_outw(addr,val)      mga_writew(minfo->mmio.vbase, (addr), (val))
 670 #define mga_outl(addr,val)      mga_writel(minfo->mmio.vbase, (addr), (val))
 671 #define mga_readr(port,idx)     (mga_outb((port),(idx)), mga_inb((port)+1))
 672 #define mga_setr(addr,port,val) mga_outw(addr, ((val)<<8) | (port))
 673
 674 #define mga_fifo(n)     do {} while ((mga_inl(M_FIFOSTATUS) & 0xFF) < (n))
 675
 676 #define WaitTillIdle()  do { mga_inl(M_STATUS); do {} while (mga_inl(M_STATUS) & 0x10000); } while (0)
 677
 678 /* code speedup */
 679 #ifdef CONFIG_FB_MATROX_MILLENIUM
 680 #define isInterleave(x)  (x->interleave)
 681 #define isMillenium(x)   (x->millenium)
 682 #define isMilleniumII(x) (x->milleniumII)
 683 #else
 684 #define isInterleave(x)  (0)
 685 #define isMillenium(x)   (0)
 686 #define isMilleniumII(x) (0)
 687 #endif
 688
 689 #define matroxfb_DAC_lock()                   spin_lock(&minfo->lock.DAC)
 690 #define matroxfb_DAC_unlock()                 spin_unlock(&minfo->lock.DAC)
 691 #define matroxfb_DAC_lock_irqsave(flags)      spin_lock_irqsave(&minfo->lock.DAC, flags)
 692 #define matroxfb_DAC_unlock_irqrestore(flags) spin_unlock_irqrestore(&minfo->lock.DAC, flags)
 693 extern void matroxfb_DAC_out(const struct matrox_fb_info *minfo, int reg,
 694                              int val);
 695 extern int matroxfb_DAC_in(const struct matrox_fb_info *minfo, int reg);
 696 extern void matroxfb_var2my(struct fb_var_screeninfo* fvsi, struct my_timming* mt);
 697 extern int matroxfb_wait_for_sync(struct matrox_fb_info *minfo, u_int32_t crtc);
 698 extern int matroxfb_enable_irq(struct matrox_fb_info *minfo, int reenable);
 699
 700 #ifdef MATROXFB_USE_SPINLOCKS
 701 #define CRITBEGIN  spin_lock_irqsave(&minfo->lock.accel, critflags);
 702 #define CRITEND    spin_unlock_irqrestore(&minfo->lock.accel, critflags);
 703 #define CRITFLAGS  unsigned long critflags;
 704 #else
 705 #define CRITBEGIN
 706 #define CRITEND
 707 #define CRITFLAGS
 708 #endif
 709
 710 #endif  /* __MATROXFB_H__ */