include/linux/fb.h

   1 #ifndef _LINUX_FB_H
   2 #define _LINUX_FB_H
   3
   4 #include <linux/types.h>
   5 #include <linux/list.h>
   6
   7 /* Definitions of frame buffers                                         */
   8
   9 #define FB_MAX                  32      /* sufficient for now */
  10
  11 #define FB_TYPE_PACKED_PIXELS           0       /* Packed Pixels        */
  12
  13 #define FB_VISUAL_MONO01                0       /* Monochr. 1=Black 0=White */
  14 #define FB_VISUAL_MONO10                1       /* Monochr. 1=White 0=Black */
  15 #define FB_VISUAL_TRUECOLOR             2       /* True color   */
  16 #define FB_VISUAL_PSEUDOCOLOR           3       /* Pseudo color (like atari) */
  17 #define FB_VISUAL_DIRECTCOLOR           4       /* Direct color */
  18 #define FB_VISUAL_STATIC_PSEUDOCOLOR    5       /* Pseudo color readonly */
  19
  20 #define FB_ACCEL_NONE           0       /* no hardware accelerator      */
  21
  22 struct fb_fix_screeninfo {
  23         char id[16];                    /* identification string eg "TT Builtin" */
  24         unsigned long smem_start;       /* Start of frame buffer mem */
  25                                         /* (physical address) */
  26         __u32 smem_len;                 /* Length of frame buffer mem */
  27         __u32 type;                     /* see FB_TYPE_*                */
  28         __u32 type_aux;                 /* Interleave for interleaved Planes */
  29         __u32 visual;                   /* see FB_VISUAL_*              */
  30         __u16 xpanstep;                 /* zero if no hardware panning  */
  31         __u16 ypanstep;                 /* zero if no hardware panning  */
  32         __u16 ywrapstep;                /* zero if no hardware ywrap    */
  33         __u32 line_length;              /* length of a line in bytes    */
  34         unsigned long mmio_start;       /* Start of Memory Mapped I/O   */
  35                                         /* (physical address) */
  36         __u32 mmio_len;                 /* Length of Memory Mapped I/O  */
  37         __u32 accel;                    /* Indicate to driver which     */
  38                                         /*  specific chip/card we have  */
  39         __u16 reserved[3];              /* Reserved for future compatibility */
  40 };
  41
  42 /*
  43  * Interpretation of offset for color fields: All offsets are from the right,
  44  * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
  45  * can use the offset as right argument to <<). A pixel afterwards is a bit
  46  * stream and is written to video memory as that unmodified.
  47  *
  48  * For pseudocolor: offset and length should be the same for all color
  49  * components. Offset specifies the position of the least significant bit
  50  * of the pallette index in a pixel value. Length indicates the number
  51  * of available palette entries (i.e. # of entries = 1 << length).
  52  */
  53 struct fb_bitfield {
  54         __u32 offset;                   /* beginning of bitfield        */
  55         __u32 length;                   /* length of bitfield           */
  56         __u32 msb_right;
  57
  58 };
  59
  60 #define FB_NONSTD_HAM           1       /* Hold-And-Modify (HAM)        */
  61 #define FB_NONSTD_REV_PIX_IN_B  2       /* order of pixels in each byte is reversed */
  62
  63 #define FB_ACTIVATE_NOW         0       /* set values immediately (or vbl)*/
  64 #define FB_ACTIVATE_NXTOPEN     1       /* activate on next open        */
  65 #define FB_ACTIVATE_TEST        2       /* don't set, round up impossible */
  66 #define FB_ACTIVATE_MASK       15
  67                                         /* values                       */
  68 #define FB_ACTIVATE_VBL        16       /* activate values on next vbl  */
  69 #define FB_CHANGE_CMAP_VBL     32       /* change colormap on vbl       */
  70 #define FB_ACTIVATE_ALL        64       /* change all VCs on this fb    */
  71 #define FB_ACTIVATE_FORCE     128       /* force apply even when no change*/
  72 #define FB_ACTIVATE_INV_MODE  256       /* invalidate videomode */
  73
  74 #define FB_SYNC_HOR_HIGH_ACT    1       /* horizontal sync high active  */
  75 #define FB_SYNC_VERT_HIGH_ACT   2       /* vertical sync high active    */
  76 #define FB_SYNC_EXT             4       /* external sync                */
  77 #define FB_SYNC_COMP_HIGH_ACT   8       /* composite sync high active   */
  78 #define FB_SYNC_BROADCAST       16      /* broadcast video timings      */
  79                                         /* vtotal = 144d/288n/576i => PAL  */
  80                                         /* vtotal = 121d/242n/484i => NTSC */
  81 #define FB_SYNC_ON_GREEN        32      /* sync on green */
  82
  83 #define FB_VMODE_NONINTERLACED  0       /* non interlaced */
  84 #define FB_VMODE_INTERLACED     1       /* interlaced   */
  85 #define FB_VMODE_DOUBLE         2       /* double scan */
  86 #define FB_VMODE_ODD_FLD_FIRST  4       /* interlaced: top line first */
  87 #define FB_VMODE_MASK           255
  88
  89 #define FB_VMODE_YWRAP          256     /* ywrap instead of panning     */
  90 #define FB_VMODE_SMOOTH_XPAN    512     /* smooth xpan possible (internally used) */
  91 #define FB_VMODE_CONUPDATE      512     /* don't update x/yoffset       */
  92
  93 /*
  94  * Display rotation support
  95  */
  96 #define FB_ROTATE_UR      0
  97 #define FB_ROTATE_CW      1
  98 #define FB_ROTATE_UD      2
  99 #define FB_ROTATE_CCW     3
 100
 101 #define PICOS2KHZ(a) (1000000000UL/(a))
 102 #define KHZ2PICOS(a) (1000000000UL/(a))
 103
 104 struct fb_var_screeninfo {
 105         __u32 xres;                     /* visible resolution           */
 106         __u32 yres;
 107         __u32 xres_virtual;             /* virtual resolution           */
 108         __u32 yres_virtual;
 109         __u32 xoffset;                  /* offset from virtual to visible */
 110         __u32 yoffset;                  /* resolution                   */
 111
 112         __u32 bits_per_pixel;           /* guess what                   */
 113         __u32 grayscale;                /* != 0 Graylevels instead of colors */
 114
 115         struct fb_bitfield red;         /* bitfield in fb mem if true color, */
 116         struct fb_bitfield green;       /* else only length is significant */
 117         struct fb_bitfield blue;
 118         struct fb_bitfield transp;      /* transparency                 */
 119
 120         __u32 nonstd;                   /* != 0 Non standard pixel format */
 121
 122         __u32 activate;                 /* see FB_ACTIVATE_*            */
 123
 124         __u32 height;                   /* height of picture in mm    */
 125         __u32 width;                    /* width of picture in mm     */
 126
 127         __u32 accel_flags;              /* (OBSOLETE) see fb_info.flags */
 128
 129         /* Timing: All values in pixclocks, except pixclock (of course) */
 130         __u32 pixclock;                 /* pixel clock in ps (pico seconds) */
 131         __u32 left_margin;              /* time from sync to picture    */
 132         __u32 right_margin;             /* time from picture to sync    */
 133         __u32 upper_margin;             /* time from sync to picture    */
 134         __u32 lower_margin;
 135         __u32 hsync_len;                /* length of horizontal sync    */
 136         __u32 vsync_len;                /* length of vertical sync      */
 137         __u32 sync;                     /* see FB_SYNC_*                */
 138         __u32 vmode;                    /* see FB_VMODE_*               */
 139         __u32 rotate;                   /* angle we rotate counter clockwise */
 140         __u32 reserved[5];              /* Reserved for future compatibility */
 141 };
 142
 143 struct fb_cmap {
 144         __u32 start;                    /* First entry  */
 145         __u32 len;                      /* Number of entries */
 146         __u16 *red;                     /* Red values   */
 147         __u16 *green;
 148         __u16 *blue;
 149         __u16 *transp;                  /* transparency, can be NULL */
 150 };
 151
 152 struct fb_con2fbmap {
 153         __u32 console;
 154         __u32 framebuffer;
 155 };
 156
 157 /* VESA Blanking Levels */
 158 #define VESA_NO_BLANKING        0
 159 #define VESA_VSYNC_SUSPEND      1
 160 #define VESA_HSYNC_SUSPEND      2
 161 #define VESA_POWERDOWN          3
 162
 163
 164 enum {
 165         /* screen: unblanked, hsync: on,  vsync: on */
 166         FB_BLANK_UNBLANK       = VESA_NO_BLANKING,
 167
 168         /* screen: blanked,   hsync: on,  vsync: on */
 169         FB_BLANK_NORMAL        = VESA_NO_BLANKING + 1,
 170
 171         /* screen: blanked,   hsync: on,  vsync: off */
 172         FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1,
 173
 174         /* screen: blanked,   hsync: off, vsync: on */
 175         FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1,
 176
 177         /* screen: blanked,   hsync: off, vsync: off */
 178         FB_BLANK_POWERDOWN     = VESA_POWERDOWN + 1
 179 };
 180
 181 #define FB_VBLANK_VBLANKING     0x001   /* currently in a vertical blank */
 182 #define FB_VBLANK_HBLANKING     0x002   /* currently in a horizontal blank */
 183 #define FB_VBLANK_HAVE_VBLANK   0x004   /* vertical blanks can be detected */
 184 #define FB_VBLANK_HAVE_HBLANK   0x008   /* horizontal blanks can be detected */
 185 #define FB_VBLANK_HAVE_COUNT    0x010   /* global retrace counter is available */
 186 #define FB_VBLANK_HAVE_VCOUNT   0x020   /* the vcount field is valid */
 187 #define FB_VBLANK_HAVE_HCOUNT   0x040   /* the hcount field is valid */
 188 #define FB_VBLANK_VSYNCING      0x080   /* currently in a vsync */
 189 #define FB_VBLANK_HAVE_VSYNC    0x100   /* verical syncs can be detected */
 190
 191 struct fb_vblank {
 192         __u32 flags;                    /* FB_VBLANK flags */
 193         __u32 count;                    /* counter of retraces since boot */
 194         __u32 vcount;                   /* current scanline position */
 195         __u32 hcount;                   /* current scandot position */
 196         __u32 reserved[4];              /* reserved for future compatibility */
 197 };
 198
 199 /* Internal HW accel */
 200 #define ROP_COPY 0
 201 #define ROP_XOR  1
 202
 203 struct fb_copyarea {
 204         __u32 dx;
 205         __u32 dy;
 206         __u32 width;
 207         __u32 height;
 208         __u32 sx;
 209         __u32 sy;
 210 };
 211
 212 struct fb_fillrect {
 213         __u32 dx;       /* screen-relative */
 214         __u32 dy;
 215         __u32 width;
 216         __u32 height;
 217         __u32 color;
 218         __u32 rop;
 219 };
 220
 221 struct fb_image {
 222         __u32 dx;               /* Where to place image */
 223         __u32 dy;
 224         __u32 width;            /* Size of image */
 225         __u32 height;
 226         __u32 fg_color;         /* Only used when a mono bitmap */
 227         __u32 bg_color;
 228         __u8  depth;            /* Depth of the image */
 229         const char *data;       /* Pointer to image data */
 230         struct fb_cmap cmap;    /* color map info */
 231 };
 232
 233 /*
 234  * hardware cursor control
 235  */
 236
 237 #define FB_CUR_SETIMAGE 0x01
 238 #define FB_CUR_SETPOS   0x02
 239 #define FB_CUR_SETHOT   0x04
 240 #define FB_CUR_SETCMAP  0x08
 241 #define FB_CUR_SETSHAPE 0x10
 242 #define FB_CUR_SETSIZE  0x20
 243 #define FB_CUR_SETALL   0xFF
 244
 245 struct fbcurpos {
 246         __u16 x, y;
 247 };
 248
 249 struct fb_cursor {
 250         __u16 set;              /* what to set */
 251         __u16 enable;           /* cursor on/off */
 252         __u16 rop;              /* bitop operation */
 253         const char *mask;       /* cursor mask bits */
 254         struct fbcurpos hot;    /* cursor hot spot */
 255         struct fb_image image;  /* Cursor image */
 256 };
 257
 258 #ifdef CONFIG_FB_BACKLIGHT
 259 /* Settings for the generic backlight code */
 260 #define FB_BACKLIGHT_LEVELS     128
 261 #define FB_BACKLIGHT_MAX        0xFF
 262 #endif
 263
 264 #ifdef __KERNEL__
 265
 266 struct vm_area_struct;
 267 struct fb_info;
 268 struct device;
 269 struct file;
 270
 271 /* Definitions below are used in the parsed monitor specs */
 272 #define FB_DPMS_ACTIVE_OFF      1
 273 #define FB_DPMS_SUSPEND         2
 274 #define FB_DPMS_STANDBY         4
 275
 276 #define FB_DISP_DDI             1
 277 #define FB_DISP_ANA_700_300     2
 278 #define FB_DISP_ANA_714_286     4
 279 #define FB_DISP_ANA_1000_400    8
 280 #define FB_DISP_ANA_700_000     16
 281
 282 #define FB_DISP_MONO            32
 283 #define FB_DISP_RGB             64
 284 #define FB_DISP_MULTI           128
 285 #define FB_DISP_UNKNOWN         256
 286
 287 #define FB_SIGNAL_NONE          0
 288 #define FB_SIGNAL_BLANK_BLANK   1
 289 #define FB_SIGNAL_SEPARATE      2
 290 #define FB_SIGNAL_COMPOSITE     4
 291 #define FB_SIGNAL_SYNC_ON_GREEN 8
 292 #define FB_SIGNAL_SERRATION_ON  16
 293
 294 #define FB_MISC_PRIM_COLOR      1
 295 #define FB_MISC_1ST_DETAIL      2       /* First Detailed Timing is preferred */
 296 struct fb_chroma {
 297         __u32 redx;     /* in fraction of 1024 */
 298         __u32 greenx;
 299         __u32 bluex;
 300         __u32 whitex;
 301         __u32 redy;
 302         __u32 greeny;
 303         __u32 bluey;
 304         __u32 whitey;
 305 };
 306
 307 struct fb_monspecs {
 308         struct fb_chroma chroma;
 309         struct fb_videomode *modedb;    /* mode database */
 310         __u8  manufacturer[4];          /* Manufacturer */
 311         __u8  monitor[14];              /* Monitor String */
 312         __u8  serial_no[14];            /* Serial Number */
 313         __u8  ascii[14];                /* ? */
 314         __u32 modedb_len;               /* mode database length */
 315         __u32 model;                    /* Monitor Model */
 316         __u32 serial;                   /* Serial Number - Integer */
 317         __u32 year;                     /* Year manufactured */
 318         __u32 week;                     /* Week Manufactured */
 319         __u32 hfmin;                    /* hfreq lower limit (Hz) */
 320         __u32 hfmax;                    /* hfreq upper limit (Hz) */
 321         __u32 dclkmin;                  /* pixelclock lower limit (Hz) */
 322         __u32 dclkmax;                  /* pixelclock upper limit (Hz) */
 323         __u16 input;                    /* display type - see FB_DISP_* */
 324         __u16 dpms;                     /* DPMS support - see FB_DPMS_ */
 325         __u16 signal;                   /* Signal Type - see FB_SIGNAL_* */
 326         __u16 vfmin;                    /* vfreq lower limit (Hz) */
 327         __u16 vfmax;                    /* vfreq upper limit (Hz) */
 328         __u16 gamma;                    /* Gamma - in fractions of 100 */
 329         __u16 gtf       : 1;            /* supports GTF */
 330         __u16 misc;                     /* Misc flags - see FB_MISC_* */
 331         __u8  version;                  /* EDID version... */
 332         __u8  revision;                 /* ...and revision */
 333         __u8  max_x;                    /* Maximum horizontal size (cm) */
 334         __u8  max_y;                    /* Maximum vertical size (cm) */
 335 };
 336
 337 struct fb_cmap_user {
 338         __u32 start;                    /* First entry  */
 339         __u32 len;                      /* Number of entries */
 340         __u16 *red;             /* Red values   */
 341         __u16 *green;
 342         __u16 *blue;
 343         __u16 *transp;          /* transparency, can be NULL */
 344 };
 345
 346 struct fb_image_user {
 347         __u32 dx;                       /* Where to place image */
 348         __u32 dy;
 349         __u32 width;                    /* Size of image */
 350         __u32 height;
 351         __u32 fg_color;                 /* Only used when a mono bitmap */
 352         __u32 bg_color;
 353         __u8  depth;                    /* Depth of the image */
 354         const char *data;       /* Pointer to image data */
 355         struct fb_cmap_user cmap;       /* color map info */
 356 };
 357
 358 struct fb_cursor_user {
 359         __u16 set;                      /* what to set */
 360         __u16 enable;                   /* cursor on/off */
 361         __u16 rop;                      /* bitop operation */
 362         const char *mask;       /* cursor mask bits */
 363         struct fbcurpos hot;            /* cursor hot spot */
 364         struct fb_image_user image;     /* Cursor image */
 365 };
 366
 367 /*
 368  * Register/unregister for framebuffer events
 369  */
 370
 371 /*      The resolution of the passed in fb_info about to change */
 372 #define FB_EVENT_MODE_CHANGE            0x01
 373 /*      The display on this fb_info is beeing suspended, no access to the
 374  *      framebuffer is allowed any more after that call returns
 375  */
 376 #define FB_EVENT_SUSPEND                0x02
 377 /*      The display on this fb_info was resumed, you can restore the display
 378  *      if you own it
 379  */
 380 #define FB_EVENT_RESUME                 0x03
 381 /*      An entry from the modelist was removed */
 382 #define FB_EVENT_MODE_DELETE            0x04
 383 /*      A driver registered itself */
 384 #define FB_EVENT_FB_REGISTERED          0x05
 385 /*      A driver unregistered itself */
 386 #define FB_EVENT_FB_UNREGISTERED        0x06
 387 /*      CONSOLE-SPECIFIC: get console to framebuffer mapping */
 388 #define FB_EVENT_GET_CONSOLE_MAP        0x07
 389 /*      CONSOLE-SPECIFIC: set console to framebuffer mapping */
 390 #define FB_EVENT_SET_CONSOLE_MAP        0x08
 391 /*      A hardware display blank change occurred */
 392 #define FB_EVENT_BLANK                  0x09
 393 /*      Private modelist is to be replaced */
 394 #define FB_EVENT_NEW_MODELIST           0x0A
 395 /*      The resolution of the passed in fb_info about to change and
 396         all vc's should be changed         */
 397 #define FB_EVENT_MODE_CHANGE_ALL        0x0B
 398 /*      A software display blank change occurred */
 399 #define FB_EVENT_CONBLANK               0x0C
 400 /*      Get drawing requirements        */
 401 #define FB_EVENT_GET_REQ                0x0D
 402 /*      Unbind from the console if possible */
 403 #define FB_EVENT_FB_UNBIND              0x0E
 404
 405 struct fb_event {
 406         struct fb_info *info;
 407         void *data;
 408 };
 409
 410 struct fb_blit_caps {
 411         u32 x;
 412         u32 y;
 413         u32 len;
 414         u32 flags;
 415 };
 416
 417 /*
 418  * Pixmap structure definition
 419  *
 420  * The purpose of this structure is to translate data
 421  * from the hardware independent format of fbdev to what
 422  * format the hardware needs.
 423  */
 424
 425 #define FB_PIXMAP_DEFAULT 1     /* used internally by fbcon */
 426 #define FB_PIXMAP_SYSTEM  2     /* memory is in system RAM  */
 427 #define FB_PIXMAP_IO      4     /* memory is iomapped       */
 428 #define FB_PIXMAP_SYNC    256   /* set if GPU can DMA       */
 429
 430 struct fb_pixmap {
 431         u8  *addr;              /* pointer to memory                    */
 432         u32 size;               /* size of buffer in bytes              */
 433         u32 offset;             /* current offset to buffer             */
 434         u32 buf_align;          /* byte alignment of each bitmap        */
 435         u32 scan_align;         /* alignment per scanline               */
 436         u32 access_align;       /* alignment per read/write (bits)      */
 437         u32 flags;              /* see FB_PIXMAP_*                      */
 438         u32 blit_x;             /* supported bit block dimensions (1-32)*/
 439         u32 blit_y;             /* Format: blit_x = 1 << (width - 1)    */
 440                                 /*         blit_y = 1 << (height - 1)   */
 441                                 /* if 0, will be set to 0xffffffff (all)*/
 442         /* access methods */
 443         void (*writeio)(struct fb_info *info, void *dst, void *src, unsigned int size);
 444         void (*readio) (struct fb_info *info, void *dst, void *src, unsigned int size);
 445 };
 446
 447 #ifdef CONFIG_FB_DEFERRED_IO
 448 struct fb_deferred_io {
 449         /* delay between mkwrite and deferred handler */
 450         unsigned long delay;
 451         struct mutex lock; /* mutex that protects the page list */
 452         struct list_head pagelist; /* list of touched pages */
 453         /* callback */
 454         void (*deferred_io)(struct fb_info *info, struct list_head *pagelist);
 455 };
 456 #endif
 457
 458 /* FBINFO_* = fb_info.flags bit flags */
 459 #define FBINFO_MODULE           0x0001  /* Low-level driver is a module */
 460 #define FBINFO_HWACCEL_DISABLED 0x0002
 461         /* When FBINFO_HWACCEL_DISABLED is set:
 462          *  Hardware acceleration is turned off.  Software implementations
 463          *  of required functions (copyarea(), fillrect(), and imageblit())
 464          *  takes over; acceleration engine should be in a quiescent state */
 465
 466 /* hints */
 467 #define FBINFO_PARTIAL_PAN_OK   0x0040 /* otw use pan only for double-buffering */
 468 #define FBINFO_READS_FAST       0x0080 /* soft-copy faster than rendering */
 469
 470 /*
 471  * A driver may set this flag to indicate that it does want a set_par to be
 472  * called every time when fbcon_switch is executed. The advantage is that with
 473  * this flag set you can really be sure that set_par is always called before
 474  * any of the functions dependant on the correct hardware state or altering
 475  * that state, even if you are using some broken X releases. The disadvantage
 476  * is that it introduces unwanted delays to every console switch if set_par
 477  * is slow. It is a good idea to try this flag in the drivers initialization
 478  * code whenever there is a bug report related to switching between X and the
 479  * framebuffer console.
 480  */
 481 #define FBINFO_MISC_ALWAYS_SETPAR   0x40000
 482
 483 /*
 484  * Host and GPU endianness differ.
 485  */
 486 #define FBINFO_FOREIGN_ENDIAN   0x100000
 487 /*
 488  * Big endian math. This is the same flags as above, but with different
 489  * meaning, it is set by the fb subsystem depending FOREIGN_ENDIAN flag
 490  * and host endianness. Drivers should not use this flag.
 491  */
 492 #define FBINFO_BE_MATH  0x100000
 493
 494 struct fb_info {
 495         int node;
 496         int flags;
 497         struct fb_var_screeninfo var;   /* Current var */
 498         struct fb_fix_screeninfo fix;   /* Current fix */
 499         struct fb_monspecs monspecs;    /* Current Monitor specs */
 500         struct fb_pixmap pixmap;        /* Image hardware mapper */
 501         struct fb_pixmap sprite;        /* Cursor hardware mapper */
 502         struct fb_cmap cmap;            /* Current cmap */
 503         struct list_head modelist;      /* mode list */
 504         struct fb_videomode *mode;      /* current mode */
 505
 506         char *screen_base;      /* Virtual address */
 507         unsigned long screen_size;      /* Amount of ioremapped VRAM or 0 */
 508         void *pseudo_palette;           /* Fake palette of 16 colors */
 509 #define FBINFO_STATE_RUNNING    0
 510 #define FBINFO_STATE_SUSPENDED  1
 511         u32 state;                      /* Hardware state i.e suspend */
 512         void *fbcon_par;                /* fbcon use-only private area */
 513         /* From here on everything is device dependent */
 514         void *par;
 515 };
 516
 517 #define FBINFO_DEFAULT  0
 518
 519 #define FBINFO_FLAG_MODULE      FBINFO_MODULE
 520 #define FBINFO_FLAG_DEFAULT     FBINFO_DEFAULT
 521
 522 /* This will go away */
 523 #if defined(__sparc__)
 524
 525 /* We map all of our framebuffers such that big-endian accesses
 526  * are what we want, so the following is sufficient.
 527  */
 528
 529 /* This will go away */
 530 #define fb_readb sbus_readb
 531 #define fb_readw sbus_readw
 532 #define fb_readl sbus_readl
 533 #define fb_readq sbus_readq
 534 #define fb_writeb sbus_writeb
 535 #define fb_writew sbus_writew
 536 #define fb_writel sbus_writel
 537 #define fb_writeq sbus_writeq
 538 #define fb_memset sbus_memset_io
 539
 540 #elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || defined(__bfin__)
 541
 542 #define fb_readb __raw_readb
 543 #define fb_readw __raw_readw
 544 #define fb_readl __raw_readl
 545 #define fb_readq __raw_readq
 546 #define fb_writeb __raw_writeb
 547 #define fb_writew __raw_writew
 548 #define fb_writel __raw_writel
 549 #define fb_writeq __raw_writeq
 550 #define fb_memset memset_io
 551
 552 #else
 553
 554 #define fb_readb(addr) (*(volatile u8 *) (addr))
 555 #define fb_readw(addr) (*(volatile u16 *) (addr))
 556 #define fb_readl(addr) (*(volatile u32 *) (addr))
 557 #define fb_readq(addr) (*(volatile u64 *) (addr))
 558 #define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b))
 559 #define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b))
 560 #define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b))
 561 #define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b))
 562 #define fb_memset memset
 563
 564 #endif
 565
 566 #define FB_LEFT_POS(p, bpp)          (fb_be_math(p) ? (32 - (bpp)) : 0)
 567 #define FB_SHIFT_HIGH(p, val, bits)  (fb_be_math(p) ? (val) >> (bits) : \
 568                                                       (val) << (bits))
 569 #define FB_SHIFT_LOW(p, val, bits)   (fb_be_math(p) ? (val) << (bits) : \
 570                                                       (val) >> (bits))
 571 /* drivers/video/fbmon.c */
 572 #define FB_MAXTIMINGS           0
 573 #define FB_VSYNCTIMINGS         1
 574 #define FB_HSYNCTIMINGS         2
 575 #define FB_DCLKTIMINGS          3
 576 #define FB_IGNOREMON            0x100
 577
 578 #define FB_MODE_IS_UNKNOWN      0
 579 #define FB_MODE_IS_DETAILED     1
 580 #define FB_MODE_IS_STANDARD     2
 581 #define FB_MODE_IS_VESA         4
 582 #define FB_MODE_IS_CALCULATED   8
 583 #define FB_MODE_IS_FIRST        16
 584 #define FB_MODE_IS_FROM_VAR     32
 585
 586
 587 /* drivers/video/fbcmap.c */
 588
 589 extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
 590 extern void fb_dealloc_cmap(struct fb_cmap *cmap);
 591 extern int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to);
 592 extern int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to);
 593 extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info);
 594 extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info);
 595 extern const struct fb_cmap *fb_default_cmap(int len);
 596 extern void fb_invert_cmaps(void);
 597
 598 struct fb_videomode {
 599         const char *name;       /* optional */
 600         u32 refresh;            /* optional */
 601         u32 xres;
 602         u32 yres;
 603         u32 pixclock;
 604         u32 left_margin;
 605         u32 right_margin;
 606         u32 upper_margin;
 607         u32 lower_margin;
 608         u32 hsync_len;
 609         u32 vsync_len;
 610         u32 sync;
 611         u32 vmode;
 612         u32 flag;
 613 };
 614
 615 int board_video_skip(void);
 616
 617 #endif /* __KERNEL__ */
 618
 619 #endif /* _LINUX_FB_H */