include/linux/fb.h

   1 #ifndef _LINUX_FB_H
   2 #define _LINUX_FB_H
   3
   4 #include <asm/types.h>
   5
   6 /* Definitions of frame buffers                                         */
   7
   8 #define FB_MAJOR                29
   9 #define FB_MAX                  32      /* sufficient for now */
  10
  11 /* ioctls
  12    0x46 is 'F'                                                          */
  13 #define FBIOGET_VSCREENINFO     0x4600
  14 #define FBIOPUT_VSCREENINFO     0x4601
  15 #define FBIOGET_FSCREENINFO     0x4602
  16 #define FBIOGETCMAP             0x4604
  17 #define FBIOPUTCMAP             0x4605
  18 #define FBIOPAN_DISPLAY         0x4606
  19 #ifdef __KERNEL__
  20 #define FBIO_CURSOR            _IOWR('F', 0x08, struct fb_cursor_user)
  21 #else
  22 #define FBIO_CURSOR            _IOWR('F', 0x08, struct fb_cursor)
  23 #endif
  24 /* 0x4607-0x460B are defined below */
  25 /* #define FBIOGET_MONITORSPEC  0x460C */
  26 /* #define FBIOPUT_MONITORSPEC  0x460D */
  27 /* #define FBIOSWITCH_MONIBIT   0x460E */
  28 #define FBIOGET_CON2FBMAP       0x460F
  29 #define FBIOPUT_CON2FBMAP       0x4610
  30 #define FBIOBLANK               0x4611          /* arg: 0 or vesa level + 1 */
  31 #define FBIOGET_VBLANK          _IOR('F', 0x12, struct fb_vblank)
  32 #define FBIO_ALLOC              0x4613
  33 #define FBIO_FREE               0x4614
  34 #define FBIOGET_GLYPH           0x4615
  35 #define FBIOGET_HWCINFO         0x4616
  36 #define FBIOPUT_MODEINFO        0x4617
  37 #define FBIOGET_DISPINFO        0x4618
  38
  39
  40 #define FB_TYPE_PACKED_PIXELS           0       /* Packed Pixels        */
  41 #define FB_TYPE_PLANES                  1       /* Non interleaved planes */
  42 #define FB_TYPE_INTERLEAVED_PLANES      2       /* Interleaved planes   */
  43 #define FB_TYPE_TEXT                    3       /* Text/attributes      */
  44 #define FB_TYPE_VGA_PLANES              4       /* EGA/VGA planes       */
  45
  46 #define FB_AUX_TEXT_MDA         0       /* Monochrome text */
  47 #define FB_AUX_TEXT_CGA         1       /* CGA/EGA/VGA Color text */
  48 #define FB_AUX_TEXT_S3_MMIO     2       /* S3 MMIO fasttext */
  49 #define FB_AUX_TEXT_MGA_STEP16  3       /* MGA Millenium I: text, attr, 14 reserved bytes */
  50 #define FB_AUX_TEXT_MGA_STEP8   4       /* other MGAs:      text, attr,  6 reserved bytes */
  51
  52 #define FB_AUX_VGA_PLANES_VGA4          0       /* 16 color planes (EGA/VGA) */
  53 #define FB_AUX_VGA_PLANES_CFB4          1       /* CFB4 in planes (VGA) */
  54 #define FB_AUX_VGA_PLANES_CFB8          2       /* CFB8 in planes (VGA) */
  55
  56 #define FB_VISUAL_MONO01                0       /* Monochr. 1=Black 0=White */
  57 #define FB_VISUAL_MONO10                1       /* Monochr. 1=White 0=Black */
  58 #define FB_VISUAL_TRUECOLOR             2       /* True color   */
  59 #define FB_VISUAL_PSEUDOCOLOR           3       /* Pseudo color (like atari) */
  60 #define FB_VISUAL_DIRECTCOLOR           4       /* Direct color */
  61 #define FB_VISUAL_STATIC_PSEUDOCOLOR    5       /* Pseudo color readonly */
  62
  63 #define FB_ACCEL_NONE           0       /* no hardware accelerator      */
  64 #define FB_ACCEL_ATARIBLITT     1       /* Atari Blitter                */
  65 #define FB_ACCEL_AMIGABLITT     2       /* Amiga Blitter                */
  66 #define FB_ACCEL_S3_TRIO64      3       /* Cybervision64 (S3 Trio64)    */
  67 #define FB_ACCEL_NCR_77C32BLT   4       /* RetinaZ3 (NCR 77C32BLT)      */
  68 #define FB_ACCEL_S3_VIRGE       5       /* Cybervision64/3D (S3 ViRGE)  */
  69 #define FB_ACCEL_ATI_MACH64GX   6       /* ATI Mach 64GX family         */
  70 #define FB_ACCEL_DEC_TGA        7       /* DEC 21030 TGA                */
  71 #define FB_ACCEL_ATI_MACH64CT   8       /* ATI Mach 64CT family         */
  72 #define FB_ACCEL_ATI_MACH64VT   9       /* ATI Mach 64CT family VT class */
  73 #define FB_ACCEL_ATI_MACH64GT   10      /* ATI Mach 64CT family GT class */
  74 #define FB_ACCEL_SUN_CREATOR    11      /* Sun Creator/Creator3D        */
  75 #define FB_ACCEL_SUN_CGSIX      12      /* Sun cg6                      */
  76 #define FB_ACCEL_SUN_LEO        13      /* Sun leo/zx                   */
  77 #define FB_ACCEL_IMS_TWINTURBO  14      /* IMS Twin Turbo               */
  78 #define FB_ACCEL_3DLABS_PERMEDIA2 15    /* 3Dlabs Permedia 2            */
  79 #define FB_ACCEL_MATROX_MGA2064W 16     /* Matrox MGA2064W (Millenium)  */
  80 #define FB_ACCEL_MATROX_MGA1064SG 17    /* Matrox MGA1064SG (Mystique)  */
  81 #define FB_ACCEL_MATROX_MGA2164W 18     /* Matrox MGA2164W (Millenium II) */
  82 #define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */
  83 #define FB_ACCEL_MATROX_MGAG100 20      /* Matrox G100 (Productiva G100) */
  84 #define FB_ACCEL_MATROX_MGAG200 21      /* Matrox G200 (Myst, Mill, ...) */
  85 #define FB_ACCEL_SUN_CG14       22      /* Sun cgfourteen                */
  86 #define FB_ACCEL_SUN_BWTWO      23      /* Sun bwtwo                    */
  87 #define FB_ACCEL_SUN_CGTHREE    24      /* Sun cgthree                  */
  88 #define FB_ACCEL_SUN_TCX        25      /* Sun tcx                      */
  89 #define FB_ACCEL_MATROX_MGAG400 26      /* Matrox G400                  */
  90 #define FB_ACCEL_NV3            27      /* nVidia RIVA 128              */
  91 #define FB_ACCEL_NV4            28      /* nVidia RIVA TNT              */
  92 #define FB_ACCEL_NV5            29      /* nVidia RIVA TNT2             */
  93 #define FB_ACCEL_CT_6555x       30      /* C&T 6555x                    */
  94 #define FB_ACCEL_3DFX_BANSHEE   31      /* 3Dfx Banshee                 */
  95 #define FB_ACCEL_ATI_RAGE128    32      /* ATI Rage128 family           */
  96 #define FB_ACCEL_IGS_CYBER2000  33      /* CyberPro 2000                */
  97 #define FB_ACCEL_IGS_CYBER2010  34      /* CyberPro 2010                */
  98 #define FB_ACCEL_IGS_CYBER5000  35      /* CyberPro 5000                */
  99 #define FB_ACCEL_SIS_GLAMOUR    36      /* SiS 300/630/540              */
 100 #define FB_ACCEL_3DLABS_PERMEDIA3 37    /* 3Dlabs Permedia 3            */
 101 #define FB_ACCEL_ATI_RADEON     38      /* ATI Radeon family            */
 102 #define FB_ACCEL_I810           39      /* Intel 810/815                */
 103 #define FB_ACCEL_SIS_GLAMOUR_2  40      /* SiS 315, 650, 740            */
 104 #define FB_ACCEL_SIS_XABRE      41      /* SiS 330 ("Xabre")            */
 105 #define FB_ACCEL_I830           42      /* Intel 830M/845G/85x/865G     */
 106 #define FB_ACCEL_NV_10          43      /* nVidia Arch 10               */
 107 #define FB_ACCEL_NV_20          44      /* nVidia Arch 20               */
 108 #define FB_ACCEL_NV_30          45      /* nVidia Arch 30               */
 109 #define FB_ACCEL_NV_40          46      /* nVidia Arch 40               */
 110 #define FB_ACCEL_XGI_VOLARI_V   47      /* XGI Volari V3XT, V5, V8      */
 111 #define FB_ACCEL_XGI_VOLARI_Z   48      /* XGI Volari Z7                */
 112 #define FB_ACCEL_NEOMAGIC_NM2070 90     /* NeoMagic NM2070              */
 113 #define FB_ACCEL_NEOMAGIC_NM2090 91     /* NeoMagic NM2090              */
 114 #define FB_ACCEL_NEOMAGIC_NM2093 92     /* NeoMagic NM2093              */
 115 #define FB_ACCEL_NEOMAGIC_NM2097 93     /* NeoMagic NM2097              */
 116 #define FB_ACCEL_NEOMAGIC_NM2160 94     /* NeoMagic NM2160              */
 117 #define FB_ACCEL_NEOMAGIC_NM2200 95     /* NeoMagic NM2200              */
 118 #define FB_ACCEL_NEOMAGIC_NM2230 96     /* NeoMagic NM2230              */
 119 #define FB_ACCEL_NEOMAGIC_NM2360 97     /* NeoMagic NM2360              */
 120 #define FB_ACCEL_NEOMAGIC_NM2380 98     /* NeoMagic NM2380              */
 121
 122 #define FB_ACCEL_SAVAGE4        0x80    /* S3 Savage4                   */
 123 #define FB_ACCEL_SAVAGE3D       0x81    /* S3 Savage3D                  */
 124 #define FB_ACCEL_SAVAGE3D_MV    0x82    /* S3 Savage3D-MV               */
 125 #define FB_ACCEL_SAVAGE2000     0x83    /* S3 Savage2000                */
 126 #define FB_ACCEL_SAVAGE_MX_MV   0x84    /* S3 Savage/MX-MV              */
 127 #define FB_ACCEL_SAVAGE_MX      0x85    /* S3 Savage/MX                 */
 128 #define FB_ACCEL_SAVAGE_IX_MV   0x86    /* S3 Savage/IX-MV              */
 129 #define FB_ACCEL_SAVAGE_IX      0x87    /* S3 Savage/IX                 */
 130 #define FB_ACCEL_PROSAVAGE_PM   0x88    /* S3 ProSavage PM133           */
 131 #define FB_ACCEL_PROSAVAGE_KM   0x89    /* S3 ProSavage KM133           */
 132 #define FB_ACCEL_S3TWISTER_P    0x8a    /* S3 Twister                   */
 133 #define FB_ACCEL_S3TWISTER_K    0x8b    /* S3 TwisterK                  */
 134 #define FB_ACCEL_SUPERSAVAGE    0x8c    /* S3 Supersavage               */
 135 #define FB_ACCEL_PROSAVAGE_DDR  0x8d    /* S3 ProSavage DDR             */
 136 #define FB_ACCEL_PROSAVAGE_DDRK 0x8e    /* S3 ProSavage DDR-K           */
 137
 138 struct fb_fix_screeninfo {
 139         char id[16];                    /* identification string eg "TT Builtin" */
 140         unsigned long smem_start;       /* Start of frame buffer mem */
 141                                         /* (physical address) */
 142         __u32 smem_len;                 /* Length of frame buffer mem */
 143         __u32 type;                     /* see FB_TYPE_*                */
 144         __u32 type_aux;                 /* Interleave for interleaved Planes */
 145         __u32 visual;                   /* see FB_VISUAL_*              */
 146         __u16 xpanstep;                 /* zero if no hardware panning  */
 147         __u16 ypanstep;                 /* zero if no hardware panning  */
 148         __u16 ywrapstep;                /* zero if no hardware ywrap    */
 149         __u32 line_length;              /* length of a line in bytes    */
 150         unsigned long mmio_start;       /* Start of Memory Mapped I/O   */
 151                                         /* (physical address) */
 152         __u32 mmio_len;                 /* Length of Memory Mapped I/O  */
 153         __u32 accel;                    /* Indicate to driver which     */
 154                                         /*  specific chip/card we have  */
 155         __u16 reserved[3];              /* Reserved for future compatibility */
 156 };
 157
 158 /* Interpretation of offset for color fields: All offsets are from the right,
 159  * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
 160  * can use the offset as right argument to <<). A pixel afterwards is a bit
 161  * stream and is written to video memory as that unmodified. This implies
 162  * big-endian byte order if bits_per_pixel is greater than 8.
 163  */
 164 struct fb_bitfield {
 165         __u32 offset;                   /* beginning of bitfield        */
 166         __u32 length;                   /* length of bitfield           */
 167         __u32 msb_right;                /* != 0 : Most significant bit is */
 168                                         /* right */
 169 };
 170
 171 #define FB_NONSTD_HAM           1       /* Hold-And-Modify (HAM)        */
 172
 173 #define FB_ACTIVATE_NOW         0       /* set values immediately (or vbl)*/
 174 #define FB_ACTIVATE_NXTOPEN     1       /* activate on next open        */
 175 #define FB_ACTIVATE_TEST        2       /* don't set, round up impossible */
 176 #define FB_ACTIVATE_MASK       15
 177                                         /* values                       */
 178 #define FB_ACTIVATE_VBL        16       /* activate values on next vbl  */
 179 #define FB_CHANGE_CMAP_VBL     32       /* change colormap on vbl       */
 180 #define FB_ACTIVATE_ALL        64       /* change all VCs on this fb    */
 181 #define FB_ACTIVATE_FORCE     128       /* force apply even when no change*/
 182 #define FB_ACTIVATE_INV_MODE  256       /* invalidate videomode */
 183
 184 #define FB_ACCELF_TEXT          1       /* (OBSOLETE) see fb_info.flags and vc_mode */
 185
 186 #define FB_SYNC_HOR_HIGH_ACT    1       /* horizontal sync high active  */
 187 #define FB_SYNC_VERT_HIGH_ACT   2       /* vertical sync high active    */
 188 #define FB_SYNC_EXT             4       /* external sync                */
 189 #define FB_SYNC_COMP_HIGH_ACT   8       /* composite sync high active   */
 190 #define FB_SYNC_BROADCAST       16      /* broadcast video timings      */
 191                                         /* vtotal = 144d/288n/576i => PAL  */
 192                                         /* vtotal = 121d/242n/484i => NTSC */
 193 #define FB_SYNC_ON_GREEN        32      /* sync on green */
 194
 195 #define FB_VMODE_NONINTERLACED  0       /* non interlaced */
 196 #define FB_VMODE_INTERLACED     1       /* interlaced   */
 197 #define FB_VMODE_DOUBLE         2       /* double scan */
 198 #define FB_VMODE_MASK           255
 199
 200 #define FB_VMODE_YWRAP          256     /* ywrap instead of panning     */
 201 #define FB_VMODE_SMOOTH_XPAN    512     /* smooth xpan possible (internally used) */
 202 #define FB_VMODE_CONUPDATE      512     /* don't update x/yoffset       */
 203
 204 /*
 205  * Display rotation support
 206  */
 207 #define FB_ROTATE_UR      0
 208 #define FB_ROTATE_CW      1
 209 #define FB_ROTATE_UD      2
 210 #define FB_ROTATE_CCW     3
 211
 212 #define PICOS2KHZ(a) (1000000000UL/(a))
 213 #define KHZ2PICOS(a) (1000000000UL/(a))
 214
 215 struct fb_var_screeninfo {
 216         __u32 xres;                     /* visible resolution           */
 217         __u32 yres;
 218         __u32 xres_virtual;             /* virtual resolution           */
 219         __u32 yres_virtual;
 220         __u32 xoffset;                  /* offset from virtual to visible */
 221         __u32 yoffset;                  /* resolution                   */
 222
 223         __u32 bits_per_pixel;           /* guess what                   */
 224         __u32 grayscale;                /* != 0 Graylevels instead of colors */
 225
 226         struct fb_bitfield red;         /* bitfield in fb mem if true color, */
 227         struct fb_bitfield green;       /* else only length is significant */
 228         struct fb_bitfield blue;
 229         struct fb_bitfield transp;      /* transparency                 */
 230
 231         __u32 nonstd;                   /* != 0 Non standard pixel format */
 232
 233         __u32 activate;                 /* see FB_ACTIVATE_*            */
 234
 235         __u32 height;                   /* height of picture in mm    */
 236         __u32 width;                    /* width of picture in mm     */
 237
 238         __u32 accel_flags;              /* (OBSOLETE) see fb_info.flags */
 239
 240         /* Timing: All values in pixclocks, except pixclock (of course) */
 241         __u32 pixclock;                 /* pixel clock in ps (pico seconds) */
 242         __u32 left_margin;              /* time from sync to picture    */
 243         __u32 right_margin;             /* time from picture to sync    */
 244         __u32 upper_margin;             /* time from sync to picture    */
 245         __u32 lower_margin;
 246         __u32 hsync_len;                /* length of horizontal sync    */
 247         __u32 vsync_len;                /* length of vertical sync      */
 248         __u32 sync;                     /* see FB_SYNC_*                */
 249         __u32 vmode;                    /* see FB_VMODE_*               */
 250         __u32 rotate;                   /* angle we rotate counter clockwise */
 251         __u32 reserved[5];              /* Reserved for future compatibility */
 252 };
 253
 254 struct fb_cmap {
 255         __u32 start;                    /* First entry  */
 256         __u32 len;                      /* Number of entries */
 257         __u16 *red;                     /* Red values   */
 258         __u16 *green;
 259         __u16 *blue;
 260         __u16 *transp;                  /* transparency, can be NULL */
 261 };
 262
 263 struct fb_con2fbmap {
 264         __u32 console;
 265         __u32 framebuffer;
 266 };
 267
 268 /* VESA Blanking Levels */
 269 #define VESA_NO_BLANKING        0
 270 #define VESA_VSYNC_SUSPEND      1
 271 #define VESA_HSYNC_SUSPEND      2
 272 #define VESA_POWERDOWN          3
 273
 274
 275 enum {
 276         /* screen: unblanked, hsync: on,  vsync: on */
 277         FB_BLANK_UNBLANK       = VESA_NO_BLANKING,
 278
 279         /* screen: blanked,   hsync: on,  vsync: on */
 280         FB_BLANK_NORMAL        = VESA_NO_BLANKING + 1,
 281
 282         /* screen: blanked,   hsync: on,  vsync: off */
 283         FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1,
 284
 285         /* screen: blanked,   hsync: off, vsync: on */
 286         FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1,
 287
 288         /* screen: blanked,   hsync: off, vsync: off */
 289         FB_BLANK_POWERDOWN     = VESA_POWERDOWN + 1
 290 };
 291
 292 #define FB_VBLANK_VBLANKING     0x001   /* currently in a vertical blank */
 293 #define FB_VBLANK_HBLANKING     0x002   /* currently in a horizontal blank */
 294 #define FB_VBLANK_HAVE_VBLANK   0x004   /* vertical blanks can be detected */
 295 #define FB_VBLANK_HAVE_HBLANK   0x008   /* horizontal blanks can be detected */
 296 #define FB_VBLANK_HAVE_COUNT    0x010   /* global retrace counter is available */
 297 #define FB_VBLANK_HAVE_VCOUNT   0x020   /* the vcount field is valid */
 298 #define FB_VBLANK_HAVE_HCOUNT   0x040   /* the hcount field is valid */
 299 #define FB_VBLANK_VSYNCING      0x080   /* currently in a vsync */
 300 #define FB_VBLANK_HAVE_VSYNC    0x100   /* verical syncs can be detected */
 301
 302 struct fb_vblank {
 303         __u32 flags;                    /* FB_VBLANK flags */
 304         __u32 count;                    /* counter of retraces since boot */
 305         __u32 vcount;                   /* current scanline position */
 306         __u32 hcount;                   /* current scandot position */
 307         __u32 reserved[4];              /* reserved for future compatibility */
 308 };
 309
 310 /* Internal HW accel */
 311 #define ROP_COPY 0
 312 #define ROP_XOR  1
 313
 314 struct fb_copyarea {
 315         __u32 dx;
 316         __u32 dy;
 317         __u32 width;
 318         __u32 height;
 319         __u32 sx;
 320         __u32 sy;
 321 };
 322
 323 struct fb_fillrect {
 324         __u32 dx;       /* screen-relative */
 325         __u32 dy;
 326         __u32 width;
 327         __u32 height;
 328         __u32 color;
 329         __u32 rop;
 330 };
 331
 332 struct fb_image {
 333         __u32 dx;               /* Where to place image */
 334         __u32 dy;
 335         __u32 width;            /* Size of image */
 336         __u32 height;
 337         __u32 fg_color;         /* Only used when a mono bitmap */
 338         __u32 bg_color;
 339         __u8  depth;            /* Depth of the image */
 340         const char *data;       /* Pointer to image data */
 341         struct fb_cmap cmap;    /* color map info */
 342 };
 343
 344 /*
 345  * hardware cursor control
 346  */
 347
 348 #define FB_CUR_SETIMAGE 0x01
 349 #define FB_CUR_SETPOS   0x02
 350 #define FB_CUR_SETHOT   0x04
 351 #define FB_CUR_SETCMAP  0x08
 352 #define FB_CUR_SETSHAPE 0x10
 353 #define FB_CUR_SETSIZE  0x20
 354 #define FB_CUR_SETALL   0xFF
 355
 356 struct fbcurpos {
 357         __u16 x, y;
 358 };
 359
 360 struct fb_cursor {
 361         __u16 set;              /* what to set */
 362         __u16 enable;           /* cursor on/off */
 363         __u16 rop;              /* bitop operation */
 364         const char *mask;       /* cursor mask bits */
 365         struct fbcurpos hot;    /* cursor hot spot */
 366         struct fb_image image;  /* Cursor image */
 367 };
 368
 369 #ifdef __KERNEL__
 370
 371 #include <linux/fs.h>
 372 #include <linux/init.h>
 373 #include <linux/tty.h>
 374 #include <linux/device.h>
 375 #include <linux/workqueue.h>
 376 #include <linux/devfs_fs_kernel.h>
 377 #include <linux/notifier.h>
 378 #include <linux/list.h>
 379 #include <asm/io.h>
 380
 381 struct vm_area_struct;
 382 struct fb_info;
 383 struct device;
 384 struct file;
 385
 386 /* Definitions below are used in the parsed monitor specs */
 387 #define FB_DPMS_ACTIVE_OFF      1
 388 #define FB_DPMS_SUSPEND         2
 389 #define FB_DPMS_STANDBY         4
 390
 391 #define FB_DISP_DDI             1
 392 #define FB_DISP_ANA_700_300     2
 393 #define FB_DISP_ANA_714_286     4
 394 #define FB_DISP_ANA_1000_400    8
 395 #define FB_DISP_ANA_700_000     16
 396
 397 #define FB_DISP_MONO            32
 398 #define FB_DISP_RGB             64
 399 #define FB_DISP_MULTI           128
 400 #define FB_DISP_UNKNOWN         256
 401
 402 #define FB_SIGNAL_NONE          0
 403 #define FB_SIGNAL_BLANK_BLANK   1
 404 #define FB_SIGNAL_SEPARATE      2
 405 #define FB_SIGNAL_COMPOSITE     4
 406 #define FB_SIGNAL_SYNC_ON_GREEN 8
 407 #define FB_SIGNAL_SERRATION_ON  16
 408
 409 #define FB_MISC_PRIM_COLOR      1
 410 #define FB_MISC_1ST_DETAIL      2       /* First Detailed Timing is preferred */
 411 struct fb_chroma {
 412         __u32 redx;     /* in fraction of 1024 */
 413         __u32 greenx;
 414         __u32 bluex;
 415         __u32 whitex;
 416         __u32 redy;
 417         __u32 greeny;
 418         __u32 bluey;
 419         __u32 whitey;
 420 };
 421
 422 struct fb_monspecs {
 423         struct fb_chroma chroma;
 424         struct fb_videomode *modedb;    /* mode database */
 425         __u8  manufacturer[4];          /* Manufacturer */
 426         __u8  monitor[14];              /* Monitor String */
 427         __u8  serial_no[14];            /* Serial Number */
 428         __u8  ascii[14];                /* ? */
 429         __u32 modedb_len;               /* mode database length */
 430         __u32 model;                    /* Monitor Model */
 431         __u32 serial;                   /* Serial Number - Integer */
 432         __u32 year;                     /* Year manufactured */
 433         __u32 week;                     /* Week Manufactured */
 434         __u32 hfmin;                    /* hfreq lower limit (Hz) */
 435         __u32 hfmax;                    /* hfreq upper limit (Hz) */
 436         __u32 dclkmin;                  /* pixelclock lower limit (Hz) */
 437         __u32 dclkmax;                  /* pixelclock upper limit (Hz) */
 438         __u16 input;                    /* display type - see FB_DISP_* */
 439         __u16 dpms;                     /* DPMS support - see FB_DPMS_ */
 440         __u16 signal;                   /* Signal Type - see FB_SIGNAL_* */
 441         __u16 vfmin;                    /* vfreq lower limit (Hz) */
 442         __u16 vfmax;                    /* vfreq upper limit (Hz) */
 443         __u16 gamma;                    /* Gamma - in fractions of 100 */
 444         __u16 gtf       : 1;            /* supports GTF */
 445         __u16 misc;                     /* Misc flags - see FB_MISC_* */
 446         __u8  version;                  /* EDID version... */
 447         __u8  revision;                 /* ...and revision */
 448         __u8  max_x;                    /* Maximum horizontal size (cm) */
 449         __u8  max_y;                    /* Maximum vertical size (cm) */
 450 };
 451
 452 struct fb_cmap_user {
 453         __u32 start;                    /* First entry  */
 454         __u32 len;                      /* Number of entries */
 455         __u16 __user *red;              /* Red values   */
 456         __u16 __user *green;
 457         __u16 __user *blue;
 458         __u16 __user *transp;           /* transparency, can be NULL */
 459 };
 460
 461 struct fb_image_user {
 462         __u32 dx;                       /* Where to place image */
 463         __u32 dy;
 464         __u32 width;                    /* Size of image */
 465         __u32 height;
 466         __u32 fg_color;                 /* Only used when a mono bitmap */
 467         __u32 bg_color;
 468         __u8  depth;                    /* Depth of the image */
 469         const char __user *data;        /* Pointer to image data */
 470         struct fb_cmap_user cmap;       /* color map info */
 471 };
 472
 473 struct fb_cursor_user {
 474         __u16 set;                      /* what to set */
 475         __u16 enable;                   /* cursor on/off */
 476         __u16 rop;                      /* bitop operation */
 477         const char __user *mask;        /* cursor mask bits */
 478         struct fbcurpos hot;            /* cursor hot spot */
 479         struct fb_image_user image;     /* Cursor image */
 480 };
 481
 482 /*
 483  * Register/unregister for framebuffer events
 484  */
 485
 486 /*      The resolution of the passed in fb_info about to change */
 487 #define FB_EVENT_MODE_CHANGE            0x01
 488 /*      The display on this fb_info is beeing suspended, no access to the
 489  *      framebuffer is allowed any more after that call returns
 490  */
 491 #define FB_EVENT_SUSPEND                0x02
 492 /*      The display on this fb_info was resumed, you can restore the display
 493  *      if you own it
 494  */
 495 #define FB_EVENT_RESUME                 0x03
 496 /*      An entry from the modelist was removed */
 497 #define FB_EVENT_MODE_DELETE            0x04
 498 /*      A driver registered itself */
 499 #define FB_EVENT_FB_REGISTERED          0x05
 500 /*      CONSOLE-SPECIFIC: get console to framebuffer mapping */
 501 #define FB_EVENT_GET_CONSOLE_MAP        0x06
 502 /*      CONSOLE-SPECIFIC: set console to framebuffer mapping */
 503 #define FB_EVENT_SET_CONSOLE_MAP        0x07
 504 /*      A display blank is requested       */
 505 #define FB_EVENT_BLANK                  0x08
 506 /*      Private modelist is to be replaced */
 507 #define FB_EVENT_NEW_MODELIST           0x09
 508 /*      The resolution of the passed in fb_info about to change and
 509         all vc's should be changed         */
 510 #define FB_EVENT_MODE_CHANGE_ALL        0x0A
 511
 512 struct fb_event {
 513         struct fb_info *info;
 514         void *data;
 515 };
 516
 517
 518 extern int fb_register_client(struct notifier_block *nb);
 519 extern int fb_unregister_client(struct notifier_block *nb);
 520
 521 /*
 522  * Pixmap structure definition
 523  *
 524  * The purpose of this structure is to translate data
 525  * from the hardware independent format of fbdev to what
 526  * format the hardware needs.
 527  */
 528
 529 #define FB_PIXMAP_DEFAULT 1     /* used internally by fbcon */
 530 #define FB_PIXMAP_SYSTEM  2     /* memory is in system RAM  */
 531 #define FB_PIXMAP_IO      4     /* memory is iomapped       */
 532 #define FB_PIXMAP_SYNC    256   /* set if GPU can DMA       */
 533
 534 struct fb_pixmap {
 535         u8  *addr;              /* pointer to memory                    */
 536         u32 size;               /* size of buffer in bytes              */
 537         u32 offset;             /* current offset to buffer             */
 538         u32 buf_align;          /* byte alignment of each bitmap        */
 539         u32 scan_align;         /* alignment per scanline               */
 540         u32 access_align;       /* alignment per read/write (bits)      */
 541         u32 flags;              /* see FB_PIXMAP_*                      */
 542         /* access methods */
 543         void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size);
 544         void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size);
 545 };
 546
 547
 548 /*
 549  * Frame buffer operations
 550  *
 551  * LOCKING NOTE: those functions must _ALL_ be called with the console
 552  * semaphore held, this is the only suitable locking mecanism we have
 553  * in 2.6. Some may be called at interrupt time at this point though.
 554  */
 555
 556 struct fb_ops {
 557         /* open/release and usage marking */
 558         struct module *owner;
 559         int (*fb_open)(struct fb_info *info, int user);
 560         int (*fb_release)(struct fb_info *info, int user);
 561
 562         /* For framebuffers with strange non linear layouts or that do not
 563          * work with normal memory mapped access
 564          */
 565         ssize_t (*fb_read)(struct file *file, char __user *buf, size_t count, loff_t *ppos);
 566         ssize_t (*fb_write)(struct file *file, const char __user *buf, size_t count, loff_t *ppos);
 567
 568         /* checks var and eventually tweaks it to something supported,
 569          * DO NOT MODIFY PAR */
 570         int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info);
 571
 572         /* set the video mode according to info->var */
 573         int (*fb_set_par)(struct fb_info *info);
 574
 575         /* set color register */
 576         int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green,
 577                             unsigned blue, unsigned transp, struct fb_info *info);
 578
 579         /* set color registers in batch */
 580         int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info);
 581
 582         /* blank display */
 583         int (*fb_blank)(int blank, struct fb_info *info);
 584
 585         /* pan display */
 586         int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info);
 587
 588         /* Draws a rectangle */
 589         void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect);
 590         /* Copy data from area to another */
 591         void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region);
 592         /* Draws a image to the display */
 593         void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image);
 594
 595         /* Draws cursor */
 596         int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor);
 597
 598         /* Rotates the display */
 599         void (*fb_rotate)(struct fb_info *info, int angle);
 600
 601         /* wait for blit idle, optional */
 602         int (*fb_sync)(struct fb_info *info);
 603
 604         /* perform fb specific ioctl (optional) */
 605         int (*fb_ioctl)(struct inode *inode, struct file *file, unsigned int cmd,
 606                         unsigned long arg, struct fb_info *info);
 607
 608         /* Handle 32bit compat ioctl (optional) */
 609         long (*fb_compat_ioctl)(struct file *f, unsigned cmd, unsigned long arg,
 610                                struct fb_info *info);
 611
 612         /* perform fb specific mmap */
 613         int (*fb_mmap)(struct fb_info *info, struct file *file, struct vm_area_struct *vma);
 614 };
 615
 616 #ifdef CONFIG_FB_TILEBLITTING
 617
 618 #define FB_TILE_CURSOR_NONE        0
 619 #define FB_TILE_CURSOR_UNDERLINE   1
 620 #define FB_TILE_CURSOR_LOWER_THIRD 2
 621 #define FB_TILE_CURSOR_LOWER_HALF  3
 622 #define FB_TILE_CURSOR_TWO_THIRDS  4
 623 #define FB_TILE_CURSOR_BLOCK       5
 624
 625 struct fb_tilemap {
 626         __u32 width;                /* width of each tile in pixels */
 627         __u32 height;               /* height of each tile in scanlines */
 628         __u32 depth;                /* color depth of each tile */
 629         __u32 length;               /* number of tiles in the map */
 630         const __u8 *data;           /* actual tile map: a bitmap array, packed
 631                                        to the nearest byte */
 632 };
 633
 634 struct fb_tilerect {
 635         __u32 sx;                   /* origin in the x-axis */
 636         __u32 sy;                   /* origin in the y-axis */
 637         __u32 width;                /* number of tiles in the x-axis */
 638         __u32 height;               /* number of tiles in the y-axis */
 639         __u32 index;                /* what tile to use: index to tile map */
 640         __u32 fg;                   /* foreground color */
 641         __u32 bg;                   /* background color */
 642         __u32 rop;                  /* raster operation */
 643 };
 644
 645 struct fb_tilearea {
 646         __u32 sx;                   /* source origin in the x-axis */
 647         __u32 sy;                   /* source origin in the y-axis */
 648         __u32 dx;                   /* destination origin in the x-axis */
 649         __u32 dy;                   /* destination origin in the y-axis */
 650         __u32 width;                /* number of tiles in the x-axis */
 651         __u32 height;               /* number of tiles in the y-axis */
 652 };
 653
 654 struct fb_tileblit {
 655         __u32 sx;                   /* origin in the x-axis */
 656         __u32 sy;                   /* origin in the y-axis */
 657         __u32 width;                /* number of tiles in the x-axis */
 658         __u32 height;               /* number of tiles in the y-axis */
 659         __u32 fg;                   /* foreground color */
 660         __u32 bg;                   /* background color */
 661         __u32 length;               /* number of tiles to draw */
 662         __u32 *indices;             /* array of indices to tile map */
 663 };
 664
 665 struct fb_tilecursor {
 666         __u32 sx;                   /* cursor position in the x-axis */
 667         __u32 sy;                   /* cursor position in the y-axis */
 668         __u32 mode;                 /* 0 = erase, 1 = draw */
 669         __u32 shape;                /* see FB_TILE_CURSOR_* */
 670         __u32 fg;                   /* foreground color */
 671         __u32 bg;                   /* background color */
 672 };
 673
 674 struct fb_tile_ops {
 675         /* set tile characteristics */
 676         void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map);
 677
 678         /* all dimensions from hereon are in terms of tiles */
 679
 680         /* move a rectangular region of tiles from one area to another*/
 681         void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area);
 682         /* fill a rectangular region with a tile */
 683         void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect);
 684         /* copy an array of tiles */
 685         void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit);
 686         /* cursor */
 687         void (*fb_tilecursor)(struct fb_info *info,
 688                               struct fb_tilecursor *cursor);
 689 };
 690 #endif /* CONFIG_FB_TILEBLITTING */
 691
 692 /* FBINFO_* = fb_info.flags bit flags */
 693 #define FBINFO_MODULE           0x0001  /* Low-level driver is a module */
 694 #define FBINFO_HWACCEL_DISABLED 0x0002
 695         /* When FBINFO_HWACCEL_DISABLED is set:
 696          *  Hardware acceleration is turned off.  Software implementations
 697          *  of required functions (copyarea(), fillrect(), and imageblit())
 698          *  takes over; acceleration engine should be in a quiescent state */
 699
 700 /* hints */
 701 #define FBINFO_PARTIAL_PAN_OK   0x0040 /* otw use pan only for double-buffering */
 702 #define FBINFO_READS_FAST       0x0080 /* soft-copy faster than rendering */
 703
 704 /* hardware supported ops */
 705 /*  semantics: when a bit is set, it indicates that the operation is
 706  *   accelerated by hardware.
 707  *  required functions will still work even if the bit is not set.
 708  *  optional functions may not even exist if the flag bit is not set.
 709  */
 710 #define FBINFO_HWACCEL_NONE             0x0000
 711 #define FBINFO_HWACCEL_COPYAREA         0x0100 /* required */
 712 #define FBINFO_HWACCEL_FILLRECT         0x0200 /* required */
 713 #define FBINFO_HWACCEL_IMAGEBLIT        0x0400 /* required */
 714 #define FBINFO_HWACCEL_ROTATE           0x0800 /* optional */
 715 #define FBINFO_HWACCEL_XPAN             0x1000 /* optional */
 716 #define FBINFO_HWACCEL_YPAN             0x2000 /* optional */
 717 #define FBINFO_HWACCEL_YWRAP            0x4000 /* optional */
 718
 719 #define FBINFO_MISC_USEREVENT          0x10000 /* event request
 720                                                   from userspace */
 721 #define FBINFO_MISC_TILEBLITTING       0x20000 /* use tile blitting */
 722
 723 struct fb_info {
 724         int node;
 725         int flags;
 726         struct fb_var_screeninfo var;   /* Current var */
 727         struct fb_fix_screeninfo fix;   /* Current fix */
 728         struct fb_monspecs monspecs;    /* Current Monitor specs */
 729         struct work_struct queue;       /* Framebuffer event queue */
 730         struct fb_pixmap pixmap;        /* Image hardware mapper */
 731         struct fb_pixmap sprite;        /* Cursor hardware mapper */
 732         struct fb_cmap cmap;            /* Current cmap */
 733         struct list_head modelist;      /* mode list */
 734         struct fb_videomode *mode;      /* current mode */
 735         struct fb_ops *fbops;
 736         struct device *device;
 737         struct class_device *class_device; /* sysfs per device attrs */
 738 #ifdef CONFIG_FB_TILEBLITTING
 739         struct fb_tile_ops *tileops;    /* Tile Blitting */
 740 #endif
 741         char __iomem *screen_base;      /* Virtual address */
 742         unsigned long screen_size;      /* Amount of ioremapped VRAM or 0 */
 743         void *pseudo_palette;           /* Fake palette of 16 colors */
 744 #define FBINFO_STATE_RUNNING    0
 745 #define FBINFO_STATE_SUSPENDED  1
 746         u32 state;                      /* Hardware state i.e suspend */
 747         void *fbcon_par;                /* fbcon use-only private area */
 748         /* From here on everything is device dependent */
 749         void *par;
 750 };
 751
 752 #ifdef MODULE
 753 #define FBINFO_DEFAULT  FBINFO_MODULE
 754 #else
 755 #define FBINFO_DEFAULT  0
 756 #endif
 757
 758 // This will go away
 759 #define FBINFO_FLAG_MODULE      FBINFO_MODULE
 760 #define FBINFO_FLAG_DEFAULT     FBINFO_DEFAULT
 761
 762 /* This will go away
 763  * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags
 764  * when it wants to turn the acceleration engine on.  This is
 765  * really a separate operation, and should be modified via sysfs.
 766  *  But for now, we leave it broken with the following define
 767  */
 768 #define STUPID_ACCELF_TEXT_SHIT
 769
 770 // This will go away
 771 #if defined(__sparc__)
 772
 773 /* We map all of our framebuffers such that big-endian accesses
 774  * are what we want, so the following is sufficient.
 775  */
 776
 777 // This will go away
 778 #define fb_readb sbus_readb
 779 #define fb_readw sbus_readw
 780 #define fb_readl sbus_readl
 781 #define fb_readq sbus_readq
 782 #define fb_writeb sbus_writeb
 783 #define fb_writew sbus_writew
 784 #define fb_writel sbus_writel
 785 #define fb_writeq sbus_writeq
 786 #define fb_memset sbus_memset_io
 787
 788 #elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || (defined(__sh__) && !defined(__SH5__)) || defined(__powerpc__)
 789
 790 #define fb_readb __raw_readb
 791 #define fb_readw __raw_readw
 792 #define fb_readl __raw_readl
 793 #define fb_readq __raw_readq
 794 #define fb_writeb __raw_writeb
 795 #define fb_writew __raw_writew
 796 #define fb_writel __raw_writel
 797 #define fb_writeq __raw_writeq
 798 #define fb_memset memset_io
 799
 800 #else
 801
 802 #define fb_readb(addr) (*(volatile u8 *) (addr))
 803 #define fb_readw(addr) (*(volatile u16 *) (addr))
 804 #define fb_readl(addr) (*(volatile u32 *) (addr))
 805 #define fb_readq(addr) (*(volatile u64 *) (addr))
 806 #define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b))
 807 #define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b))
 808 #define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b))
 809 #define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b))
 810 #define fb_memset memset
 811
 812 #endif
 813
 814     /*
 815      *  `Generic' versions of the frame buffer device operations
 816      */
 817
 818 extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var);
 819 extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var);
 820 extern int fb_blank(struct fb_info *info, int blank);
 821 extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
 822 extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area);
 823 extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image);
 824
 825 /* drivers/video/fbmem.c */
 826 extern int register_framebuffer(struct fb_info *fb_info);
 827 extern int unregister_framebuffer(struct fb_info *fb_info);
 828 extern int fb_prepare_logo(struct fb_info *fb_info, int rotate);
 829 extern int fb_show_logo(struct fb_info *fb_info, int rotate);
 830 extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size);
 831 extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx,
 832                                 u32 height, u32 shift_high, u32 shift_low, u32 mod);
 833 extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height);
 834 extern void fb_set_suspend(struct fb_info *info, int state);
 835 extern int fb_get_color_depth(struct fb_var_screeninfo *var,
 836                               struct fb_fix_screeninfo *fix);
 837 extern int fb_get_options(char *name, char **option);
 838 extern int fb_new_modelist(struct fb_info *info);
 839
 840 extern struct fb_info *registered_fb[FB_MAX];
 841 extern int num_registered_fb;
 842
 843 static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch,
 844                                            u8 *src, u32 s_pitch, u32 height)
 845 {
 846         int i, j;
 847
 848         d_pitch -= s_pitch;
 849
 850         for (i = height; i--; ) {
 851                 /* s_pitch is a few bytes at the most, memcpy is suboptimal */
 852                 for (j = 0; j < s_pitch; j++)
 853                         *dst++ = *src++;
 854                 dst += d_pitch;
 855         }
 856 }
 857
 858 /* drivers/video/fbsysfs.c */
 859 extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev);
 860 extern void framebuffer_release(struct fb_info *info);
 861 extern int fb_init_class_device(struct fb_info *fb_info);
 862 extern void fb_cleanup_class_device(struct fb_info *head);
 863
 864 /* drivers/video/fbmon.c */
 865 #define FB_MAXTIMINGS           0
 866 #define FB_VSYNCTIMINGS         1
 867 #define FB_HSYNCTIMINGS         2
 868 #define FB_DCLKTIMINGS          3
 869 #define FB_IGNOREMON            0x100
 870
 871 #define FB_MODE_IS_UNKNOWN      0
 872 #define FB_MODE_IS_DETAILED     1
 873 #define FB_MODE_IS_STANDARD     2
 874 #define FB_MODE_IS_VESA         4
 875 #define FB_MODE_IS_CALCULATED   8
 876 #define FB_MODE_IS_FIRST        16
 877 #define FB_MODE_IS_FROM_VAR     32
 878
 879 extern int fbmon_valid_timings(u_int pixclock, u_int htotal, u_int vtotal,
 880                                const struct fb_info *fb_info);
 881 extern int fbmon_dpms(const struct fb_info *fb_info);
 882 extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var,
 883                        struct fb_info *info);
 884 extern int fb_validate_mode(const struct fb_var_screeninfo *var,
 885                             struct fb_info *info);
 886 extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var);
 887 extern const unsigned char *fb_firmware_edid(struct device *device);
 888 extern void fb_edid_to_monspecs(unsigned char *edid,
 889                                 struct fb_monspecs *specs);
 890 extern void fb_destroy_modedb(struct fb_videomode *modedb);
 891 extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb);
 892
 893 /* drivers/video/modedb.c */
 894 #define VESA_MODEDB_SIZE 34
 895 extern void fb_var_to_videomode(struct fb_videomode *mode,
 896                                 struct fb_var_screeninfo *var);
 897 extern void fb_videomode_to_var(struct fb_var_screeninfo *var,
 898                                 struct fb_videomode *mode);
 899 extern int fb_mode_is_equal(struct fb_videomode *mode1,
 900                             struct fb_videomode *mode2);
 901 extern int fb_add_videomode(struct fb_videomode *mode, struct list_head *head);
 902 extern void fb_delete_videomode(struct fb_videomode *mode,
 903                                 struct list_head *head);
 904 extern struct fb_videomode *fb_match_mode(struct fb_var_screeninfo *var,
 905                                           struct list_head *head);
 906 extern struct fb_videomode *fb_find_best_mode(struct fb_var_screeninfo *var,
 907                                               struct list_head *head);
 908 extern struct fb_videomode *fb_find_nearest_mode(struct fb_videomode *mode,
 909                                                  struct list_head *head);
 910 extern void fb_destroy_modelist(struct list_head *head);
 911 extern void fb_videomode_to_modelist(struct fb_videomode *modedb, int num,
 912                                      struct list_head *head);
 913 extern struct fb_videomode *fb_find_best_display(struct fb_monspecs *specs,
 914                                                  struct list_head *head);
 915
 916 /* drivers/video/fbcmap.c */
 917 extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
 918 extern void fb_dealloc_cmap(struct fb_cmap *cmap);
 919 extern int fb_copy_cmap(struct fb_cmap *from, struct fb_cmap *to);
 920 extern int fb_cmap_to_user(struct fb_cmap *from, struct fb_cmap_user *to);
 921 extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info);
 922 extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info);
 923 extern struct fb_cmap *fb_default_cmap(int len);
 924 extern void fb_invert_cmaps(void);
 925
 926 struct fb_videomode {
 927         const char *name;       /* optional */
 928         u32 refresh;            /* optional */
 929         u32 xres;
 930         u32 yres;
 931         u32 pixclock;
 932         u32 left_margin;
 933         u32 right_margin;
 934         u32 upper_margin;
 935         u32 lower_margin;
 936         u32 hsync_len;
 937         u32 vsync_len;
 938         u32 sync;
 939         u32 vmode;
 940         u32 flag;
 941 };
 942
 943 extern const struct fb_videomode vesa_modes[];
 944
 945 struct fb_modelist {
 946         struct list_head list;
 947         struct fb_videomode mode;
 948 };
 949
 950 extern int fb_find_mode(struct fb_var_screeninfo *var,
 951                         struct fb_info *info, const char *mode_option,
 952                         const struct fb_videomode *db,
 953                         unsigned int dbsize,
 954                         const struct fb_videomode *default_mode,
 955                         unsigned int default_bpp);
 956
 957 #endif /* __KERNEL__ */
 958
 959 #endif /* _LINUX_FB_H */