include/linux/fb.h

   1 #ifndef _LINUX_FB_H
   2 #define _LINUX_FB_H
   3
   4 #include <asm/types.h>
   5 #include <linux/i2c.h>
   6
   7 struct dentry;
   8
   9 /* Definitions of frame buffers                                         */
  10
  11 #define FB_MAJOR                29
  12 #define FB_MAX                  32      /* sufficient for now */
  13
  14 /* ioctls
  15    0x46 is 'F'                                                          */
  16 #define FBIOGET_VSCREENINFO     0x4600
  17 #define FBIOPUT_VSCREENINFO     0x4601
  18 #define FBIOGET_FSCREENINFO     0x4602
  19 #define FBIOGETCMAP             0x4604
  20 #define FBIOPUTCMAP             0x4605
  21 #define FBIOPAN_DISPLAY         0x4606
  22 #ifdef __KERNEL__
  23 #define FBIO_CURSOR            _IOWR('F', 0x08, struct fb_cursor_user)
  24 #else
  25 #define FBIO_CURSOR            _IOWR('F', 0x08, struct fb_cursor)
  26 #endif
  27 /* 0x4607-0x460B are defined below */
  28 /* #define FBIOGET_MONITORSPEC  0x460C */
  29 /* #define FBIOPUT_MONITORSPEC  0x460D */
  30 /* #define FBIOSWITCH_MONIBIT   0x460E */
  31 #define FBIOGET_CON2FBMAP       0x460F
  32 #define FBIOPUT_CON2FBMAP       0x4610
  33 #define FBIOBLANK               0x4611          /* arg: 0 or vesa level + 1 */
  34 #define FBIOGET_VBLANK          _IOR('F', 0x12, struct fb_vblank)
  35 #define FBIO_ALLOC              0x4613
  36 #define FBIO_FREE               0x4614
  37 #define FBIOGET_GLYPH           0x4615
  38 #define FBIOGET_HWCINFO         0x4616
  39 #define FBIOPUT_MODEINFO        0x4617
  40 #define FBIOGET_DISPINFO        0x4618
  41
  42
  43 #define FB_TYPE_PACKED_PIXELS           0       /* Packed Pixels        */
  44 #define FB_TYPE_PLANES                  1       /* Non interleaved planes */
  45 #define FB_TYPE_INTERLEAVED_PLANES      2       /* Interleaved planes   */
  46 #define FB_TYPE_TEXT                    3       /* Text/attributes      */
  47 #define FB_TYPE_VGA_PLANES              4       /* EGA/VGA planes       */
  48
  49 #define FB_AUX_TEXT_MDA         0       /* Monochrome text */
  50 #define FB_AUX_TEXT_CGA         1       /* CGA/EGA/VGA Color text */
  51 #define FB_AUX_TEXT_S3_MMIO     2       /* S3 MMIO fasttext */
  52 #define FB_AUX_TEXT_MGA_STEP16  3       /* MGA Millenium I: text, attr, 14 reserved bytes */
  53 #define FB_AUX_TEXT_MGA_STEP8   4       /* other MGAs:      text, attr,  6 reserved bytes */
  54 #define FB_AUX_TEXT_SVGA_GROUP  8       /* 8-15: SVGA tileblit compatible modes */
  55 #define FB_AUX_TEXT_SVGA_MASK   7       /* lower three bits says step */
  56 #define FB_AUX_TEXT_SVGA_STEP2  8       /* SVGA text mode:  text, attr */
  57 #define FB_AUX_TEXT_SVGA_STEP4  9       /* SVGA text mode:  text, attr,  2 reserved bytes */
  58 #define FB_AUX_TEXT_SVGA_STEP8  10      /* SVGA text mode:  text, attr,  6 reserved bytes */
  59 #define FB_AUX_TEXT_SVGA_STEP16 11      /* SVGA text mode:  text, attr, 14 reserved bytes */
  60 #define FB_AUX_TEXT_SVGA_LAST   15      /* reserved up to 15 */
  61
  62 #define FB_AUX_VGA_PLANES_VGA4          0       /* 16 color planes (EGA/VGA) */
  63 #define FB_AUX_VGA_PLANES_CFB4          1       /* CFB4 in planes (VGA) */
  64 #define FB_AUX_VGA_PLANES_CFB8          2       /* CFB8 in planes (VGA) */
  65
  66 #define FB_VISUAL_MONO01                0       /* Monochr. 1=Black 0=White */
  67 #define FB_VISUAL_MONO10                1       /* Monochr. 1=White 0=Black */
  68 #define FB_VISUAL_TRUECOLOR             2       /* True color   */
  69 #define FB_VISUAL_PSEUDOCOLOR           3       /* Pseudo color (like atari) */
  70 #define FB_VISUAL_DIRECTCOLOR           4       /* Direct color */
  71 #define FB_VISUAL_STATIC_PSEUDOCOLOR    5       /* Pseudo color readonly */
  72
  73 #define FB_ACCEL_NONE           0       /* no hardware accelerator      */
  74 #define FB_ACCEL_ATARIBLITT     1       /* Atari Blitter                */
  75 #define FB_ACCEL_AMIGABLITT     2       /* Amiga Blitter                */
  76 #define FB_ACCEL_S3_TRIO64      3       /* Cybervision64 (S3 Trio64)    */
  77 #define FB_ACCEL_NCR_77C32BLT   4       /* RetinaZ3 (NCR 77C32BLT)      */
  78 #define FB_ACCEL_S3_VIRGE       5       /* Cybervision64/3D (S3 ViRGE)  */
  79 #define FB_ACCEL_ATI_MACH64GX   6       /* ATI Mach 64GX family         */
  80 #define FB_ACCEL_DEC_TGA        7       /* DEC 21030 TGA                */
  81 #define FB_ACCEL_ATI_MACH64CT   8       /* ATI Mach 64CT family         */
  82 #define FB_ACCEL_ATI_MACH64VT   9       /* ATI Mach 64CT family VT class */
  83 #define FB_ACCEL_ATI_MACH64GT   10      /* ATI Mach 64CT family GT class */
  84 #define FB_ACCEL_SUN_CREATOR    11      /* Sun Creator/Creator3D        */
  85 #define FB_ACCEL_SUN_CGSIX      12      /* Sun cg6                      */
  86 #define FB_ACCEL_SUN_LEO        13      /* Sun leo/zx                   */
  87 #define FB_ACCEL_IMS_TWINTURBO  14      /* IMS Twin Turbo               */
  88 #define FB_ACCEL_3DLABS_PERMEDIA2 15    /* 3Dlabs Permedia 2            */
  89 #define FB_ACCEL_MATROX_MGA2064W 16     /* Matrox MGA2064W (Millenium)  */
  90 #define FB_ACCEL_MATROX_MGA1064SG 17    /* Matrox MGA1064SG (Mystique)  */
  91 #define FB_ACCEL_MATROX_MGA2164W 18     /* Matrox MGA2164W (Millenium II) */
  92 #define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */
  93 #define FB_ACCEL_MATROX_MGAG100 20      /* Matrox G100 (Productiva G100) */
  94 #define FB_ACCEL_MATROX_MGAG200 21      /* Matrox G200 (Myst, Mill, ...) */
  95 #define FB_ACCEL_SUN_CG14       22      /* Sun cgfourteen                */
  96 #define FB_ACCEL_SUN_BWTWO      23      /* Sun bwtwo                    */
  97 #define FB_ACCEL_SUN_CGTHREE    24      /* Sun cgthree                  */
  98 #define FB_ACCEL_SUN_TCX        25      /* Sun tcx                      */
  99 #define FB_ACCEL_MATROX_MGAG400 26      /* Matrox G400                  */
 100 #define FB_ACCEL_NV3            27      /* nVidia RIVA 128              */
 101 #define FB_ACCEL_NV4            28      /* nVidia RIVA TNT              */
 102 #define FB_ACCEL_NV5            29      /* nVidia RIVA TNT2             */
 103 #define FB_ACCEL_CT_6555x       30      /* C&T 6555x                    */
 104 #define FB_ACCEL_3DFX_BANSHEE   31      /* 3Dfx Banshee                 */
 105 #define FB_ACCEL_ATI_RAGE128    32      /* ATI Rage128 family           */
 106 #define FB_ACCEL_IGS_CYBER2000  33      /* CyberPro 2000                */
 107 #define FB_ACCEL_IGS_CYBER2010  34      /* CyberPro 2010                */
 108 #define FB_ACCEL_IGS_CYBER5000  35      /* CyberPro 5000                */
 109 #define FB_ACCEL_SIS_GLAMOUR    36      /* SiS 300/630/540              */
 110 #define FB_ACCEL_3DLABS_PERMEDIA3 37    /* 3Dlabs Permedia 3            */
 111 #define FB_ACCEL_ATI_RADEON     38      /* ATI Radeon family            */
 112 #define FB_ACCEL_I810           39      /* Intel 810/815                */
 113 #define FB_ACCEL_SIS_GLAMOUR_2  40      /* SiS 315, 650, 740            */
 114 #define FB_ACCEL_SIS_XABRE      41      /* SiS 330 ("Xabre")            */
 115 #define FB_ACCEL_I830           42      /* Intel 830M/845G/85x/865G     */
 116 #define FB_ACCEL_NV_10          43      /* nVidia Arch 10               */
 117 #define FB_ACCEL_NV_20          44      /* nVidia Arch 20               */
 118 #define FB_ACCEL_NV_30          45      /* nVidia Arch 30               */
 119 #define FB_ACCEL_NV_40          46      /* nVidia Arch 40               */
 120 #define FB_ACCEL_XGI_VOLARI_V   47      /* XGI Volari V3XT, V5, V8      */
 121 #define FB_ACCEL_XGI_VOLARI_Z   48      /* XGI Volari Z7                */
 122 #define FB_ACCEL_NEOMAGIC_NM2070 90     /* NeoMagic NM2070              */
 123 #define FB_ACCEL_NEOMAGIC_NM2090 91     /* NeoMagic NM2090              */
 124 #define FB_ACCEL_NEOMAGIC_NM2093 92     /* NeoMagic NM2093              */
 125 #define FB_ACCEL_NEOMAGIC_NM2097 93     /* NeoMagic NM2097              */
 126 #define FB_ACCEL_NEOMAGIC_NM2160 94     /* NeoMagic NM2160              */
 127 #define FB_ACCEL_NEOMAGIC_NM2200 95     /* NeoMagic NM2200              */
 128 #define FB_ACCEL_NEOMAGIC_NM2230 96     /* NeoMagic NM2230              */
 129 #define FB_ACCEL_NEOMAGIC_NM2360 97     /* NeoMagic NM2360              */
 130 #define FB_ACCEL_NEOMAGIC_NM2380 98     /* NeoMagic NM2380              */
 131
 132 #define FB_ACCEL_SAVAGE4        0x80    /* S3 Savage4                   */
 133 #define FB_ACCEL_SAVAGE3D       0x81    /* S3 Savage3D                  */
 134 #define FB_ACCEL_SAVAGE3D_MV    0x82    /* S3 Savage3D-MV               */
 135 #define FB_ACCEL_SAVAGE2000     0x83    /* S3 Savage2000                */
 136 #define FB_ACCEL_SAVAGE_MX_MV   0x84    /* S3 Savage/MX-MV              */
 137 #define FB_ACCEL_SAVAGE_MX      0x85    /* S3 Savage/MX                 */
 138 #define FB_ACCEL_SAVAGE_IX_MV   0x86    /* S3 Savage/IX-MV              */
 139 #define FB_ACCEL_SAVAGE_IX      0x87    /* S3 Savage/IX                 */
 140 #define FB_ACCEL_PROSAVAGE_PM   0x88    /* S3 ProSavage PM133           */
 141 #define FB_ACCEL_PROSAVAGE_KM   0x89    /* S3 ProSavage KM133           */
 142 #define FB_ACCEL_S3TWISTER_P    0x8a    /* S3 Twister                   */
 143 #define FB_ACCEL_S3TWISTER_K    0x8b    /* S3 TwisterK                  */
 144 #define FB_ACCEL_SUPERSAVAGE    0x8c    /* S3 Supersavage               */
 145 #define FB_ACCEL_PROSAVAGE_DDR  0x8d    /* S3 ProSavage DDR             */
 146 #define FB_ACCEL_PROSAVAGE_DDRK 0x8e    /* S3 ProSavage DDR-K           */
 147
 148 struct fb_fix_screeninfo {
 149         char id[16];                    /* identification string eg "TT Builtin" */
 150         unsigned long smem_start;       /* Start of frame buffer mem */
 151                                         /* (physical address) */
 152         __u32 smem_len;                 /* Length of frame buffer mem */
 153         __u32 type;                     /* see FB_TYPE_*                */
 154         __u32 type_aux;                 /* Interleave for interleaved Planes */
 155         __u32 visual;                   /* see FB_VISUAL_*              */
 156         __u16 xpanstep;                 /* zero if no hardware panning  */
 157         __u16 ypanstep;                 /* zero if no hardware panning  */
 158         __u16 ywrapstep;                /* zero if no hardware ywrap    */
 159         __u32 line_length;              /* length of a line in bytes    */
 160         unsigned long mmio_start;       /* Start of Memory Mapped I/O   */
 161                                         /* (physical address) */
 162         __u32 mmio_len;                 /* Length of Memory Mapped I/O  */
 163         __u32 accel;                    /* Indicate to driver which     */
 164                                         /*  specific chip/card we have  */
 165         __u16 reserved[3];              /* Reserved for future compatibility */
 166 };
 167
 168 /* Interpretation of offset for color fields: All offsets are from the right,
 169  * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
 170  * can use the offset as right argument to <<). A pixel afterwards is a bit
 171  * stream and is written to video memory as that unmodified. This implies
 172  * big-endian byte order if bits_per_pixel is greater than 8.
 173  */
 174 struct fb_bitfield {
 175         __u32 offset;                   /* beginning of bitfield        */
 176         __u32 length;                   /* length of bitfield           */
 177         __u32 msb_right;                /* != 0 : Most significant bit is */
 178                                         /* right */
 179 };
 180
 181 #define FB_NONSTD_HAM           1       /* Hold-And-Modify (HAM)        */
 182
 183 #define FB_ACTIVATE_NOW         0       /* set values immediately (or vbl)*/
 184 #define FB_ACTIVATE_NXTOPEN     1       /* activate on next open        */
 185 #define FB_ACTIVATE_TEST        2       /* don't set, round up impossible */
 186 #define FB_ACTIVATE_MASK       15
 187                                         /* values                       */
 188 #define FB_ACTIVATE_VBL        16       /* activate values on next vbl  */
 189 #define FB_CHANGE_CMAP_VBL     32       /* change colormap on vbl       */
 190 #define FB_ACTIVATE_ALL        64       /* change all VCs on this fb    */
 191 #define FB_ACTIVATE_FORCE     128       /* force apply even when no change*/
 192 #define FB_ACTIVATE_INV_MODE  256       /* invalidate videomode */
 193
 194 #define FB_ACCELF_TEXT          1       /* (OBSOLETE) see fb_info.flags and vc_mode */
 195
 196 #define FB_SYNC_HOR_HIGH_ACT    1       /* horizontal sync high active  */
 197 #define FB_SYNC_VERT_HIGH_ACT   2       /* vertical sync high active    */
 198 #define FB_SYNC_EXT             4       /* external sync                */
 199 #define FB_SYNC_COMP_HIGH_ACT   8       /* composite sync high active   */
 200 #define FB_SYNC_BROADCAST       16      /* broadcast video timings      */
 201                                         /* vtotal = 144d/288n/576i => PAL  */
 202                                         /* vtotal = 121d/242n/484i => NTSC */
 203 #define FB_SYNC_ON_GREEN        32      /* sync on green */
 204
 205 #define FB_VMODE_NONINTERLACED  0       /* non interlaced */
 206 #define FB_VMODE_INTERLACED     1       /* interlaced   */
 207 #define FB_VMODE_DOUBLE         2       /* double scan */
 208 #define FB_VMODE_MASK           255
 209
 210 #define FB_VMODE_YWRAP          256     /* ywrap instead of panning     */
 211 #define FB_VMODE_SMOOTH_XPAN    512     /* smooth xpan possible (internally used) */
 212 #define FB_VMODE_CONUPDATE      512     /* don't update x/yoffset       */
 213
 214 /*
 215  * Display rotation support
 216  */
 217 #define FB_ROTATE_UR      0
 218 #define FB_ROTATE_CW      1
 219 #define FB_ROTATE_UD      2
 220 #define FB_ROTATE_CCW     3
 221
 222 #define PICOS2KHZ(a) (1000000000UL/(a))
 223 #define KHZ2PICOS(a) (1000000000UL/(a))
 224
 225 struct fb_var_screeninfo {
 226         __u32 xres;                     /* visible resolution           */
 227         __u32 yres;
 228         __u32 xres_virtual;             /* virtual resolution           */
 229         __u32 yres_virtual;
 230         __u32 xoffset;                  /* offset from virtual to visible */
 231         __u32 yoffset;                  /* resolution                   */
 232
 233         __u32 bits_per_pixel;           /* guess what                   */
 234         __u32 grayscale;                /* != 0 Graylevels instead of colors */
 235
 236         struct fb_bitfield red;         /* bitfield in fb mem if true color, */
 237         struct fb_bitfield green;       /* else only length is significant */
 238         struct fb_bitfield blue;
 239         struct fb_bitfield transp;      /* transparency                 */
 240
 241         __u32 nonstd;                   /* != 0 Non standard pixel format */
 242
 243         __u32 activate;                 /* see FB_ACTIVATE_*            */
 244
 245         __u32 height;                   /* height of picture in mm    */
 246         __u32 width;                    /* width of picture in mm     */
 247
 248         __u32 accel_flags;              /* (OBSOLETE) see fb_info.flags */
 249
 250         /* Timing: All values in pixclocks, except pixclock (of course) */
 251         __u32 pixclock;                 /* pixel clock in ps (pico seconds) */
 252         __u32 left_margin;              /* time from sync to picture    */
 253         __u32 right_margin;             /* time from picture to sync    */
 254         __u32 upper_margin;             /* time from sync to picture    */
 255         __u32 lower_margin;
 256         __u32 hsync_len;                /* length of horizontal sync    */
 257         __u32 vsync_len;                /* length of vertical sync      */
 258         __u32 sync;                     /* see FB_SYNC_*                */
 259         __u32 vmode;                    /* see FB_VMODE_*               */
 260         __u32 rotate;                   /* angle we rotate counter clockwise */
 261         __u32 reserved[5];              /* Reserved for future compatibility */
 262 };
 263
 264 struct fb_cmap {
 265         __u32 start;                    /* First entry  */
 266         __u32 len;                      /* Number of entries */
 267         __u16 *red;                     /* Red values   */
 268         __u16 *green;
 269         __u16 *blue;
 270         __u16 *transp;                  /* transparency, can be NULL */
 271 };
 272
 273 struct fb_con2fbmap {
 274         __u32 console;
 275         __u32 framebuffer;
 276 };
 277
 278 /* VESA Blanking Levels */
 279 #define VESA_NO_BLANKING        0
 280 #define VESA_VSYNC_SUSPEND      1
 281 #define VESA_HSYNC_SUSPEND      2
 282 #define VESA_POWERDOWN          3
 283
 284
 285 enum {
 286         /* screen: unblanked, hsync: on,  vsync: on */
 287         FB_BLANK_UNBLANK       = VESA_NO_BLANKING,
 288
 289         /* screen: blanked,   hsync: on,  vsync: on */
 290         FB_BLANK_NORMAL        = VESA_NO_BLANKING + 1,
 291
 292         /* screen: blanked,   hsync: on,  vsync: off */
 293         FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1,
 294
 295         /* screen: blanked,   hsync: off, vsync: on */
 296         FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1,
 297
 298         /* screen: blanked,   hsync: off, vsync: off */
 299         FB_BLANK_POWERDOWN     = VESA_POWERDOWN + 1
 300 };
 301
 302 #define FB_VBLANK_VBLANKING     0x001   /* currently in a vertical blank */
 303 #define FB_VBLANK_HBLANKING     0x002   /* currently in a horizontal blank */
 304 #define FB_VBLANK_HAVE_VBLANK   0x004   /* vertical blanks can be detected */
 305 #define FB_VBLANK_HAVE_HBLANK   0x008   /* horizontal blanks can be detected */
 306 #define FB_VBLANK_HAVE_COUNT    0x010   /* global retrace counter is available */
 307 #define FB_VBLANK_HAVE_VCOUNT   0x020   /* the vcount field is valid */
 308 #define FB_VBLANK_HAVE_HCOUNT   0x040   /* the hcount field is valid */
 309 #define FB_VBLANK_VSYNCING      0x080   /* currently in a vsync */
 310 #define FB_VBLANK_HAVE_VSYNC    0x100   /* verical syncs can be detected */
 311
 312 struct fb_vblank {
 313         __u32 flags;                    /* FB_VBLANK flags */
 314         __u32 count;                    /* counter of retraces since boot */
 315         __u32 vcount;                   /* current scanline position */
 316         __u32 hcount;                   /* current scandot position */
 317         __u32 reserved[4];              /* reserved for future compatibility */
 318 };
 319
 320 /* Internal HW accel */
 321 #define ROP_COPY 0
 322 #define ROP_XOR  1
 323
 324 struct fb_copyarea {
 325         __u32 dx;
 326         __u32 dy;
 327         __u32 width;
 328         __u32 height;
 329         __u32 sx;
 330         __u32 sy;
 331 };
 332
 333 struct fb_fillrect {
 334         __u32 dx;       /* screen-relative */
 335         __u32 dy;
 336         __u32 width;
 337         __u32 height;
 338         __u32 color;
 339         __u32 rop;
 340 };
 341
 342 struct fb_image {
 343         __u32 dx;               /* Where to place image */
 344         __u32 dy;
 345         __u32 width;            /* Size of image */
 346         __u32 height;
 347         __u32 fg_color;         /* Only used when a mono bitmap */
 348         __u32 bg_color;
 349         __u8  depth;            /* Depth of the image */
 350         const char *data;       /* Pointer to image data */
 351         struct fb_cmap cmap;    /* color map info */
 352 };
 353
 354 /*
 355  * hardware cursor control
 356  */
 357
 358 #define FB_CUR_SETIMAGE 0x01
 359 #define FB_CUR_SETPOS   0x02
 360 #define FB_CUR_SETHOT   0x04
 361 #define FB_CUR_SETCMAP  0x08
 362 #define FB_CUR_SETSHAPE 0x10
 363 #define FB_CUR_SETSIZE  0x20
 364 #define FB_CUR_SETALL   0xFF
 365
 366 struct fbcurpos {
 367         __u16 x, y;
 368 };
 369
 370 struct fb_cursor {
 371         __u16 set;              /* what to set */
 372         __u16 enable;           /* cursor on/off */
 373         __u16 rop;              /* bitop operation */
 374         const char *mask;       /* cursor mask bits */
 375         struct fbcurpos hot;    /* cursor hot spot */
 376         struct fb_image image;  /* Cursor image */
 377 };
 378
 379 #ifdef CONFIG_FB_BACKLIGHT
 380 /* Settings for the generic backlight code */
 381 #define FB_BACKLIGHT_LEVELS     128
 382 #define FB_BACKLIGHT_MAX        0xFF
 383 #endif
 384
 385 #ifdef __KERNEL__
 386
 387 #include <linux/fs.h>
 388 #include <linux/init.h>
 389 #include <linux/device.h>
 390 #include <linux/workqueue.h>
 391 #include <linux/notifier.h>
 392 #include <linux/list.h>
 393 #include <linux/backlight.h>
 394 #include <asm/io.h>
 395
 396 struct vm_area_struct;
 397 struct fb_info;
 398 struct device;
 399 struct file;
 400
 401 /* Definitions below are used in the parsed monitor specs */
 402 #define FB_DPMS_ACTIVE_OFF      1
 403 #define FB_DPMS_SUSPEND         2
 404 #define FB_DPMS_STANDBY         4
 405
 406 #define FB_DISP_DDI             1
 407 #define FB_DISP_ANA_700_300     2
 408 #define FB_DISP_ANA_714_286     4
 409 #define FB_DISP_ANA_1000_400    8
 410 #define FB_DISP_ANA_700_000     16
 411
 412 #define FB_DISP_MONO            32
 413 #define FB_DISP_RGB             64
 414 #define FB_DISP_MULTI           128
 415 #define FB_DISP_UNKNOWN         256
 416
 417 #define FB_SIGNAL_NONE          0
 418 #define FB_SIGNAL_BLANK_BLANK   1
 419 #define FB_SIGNAL_SEPARATE      2
 420 #define FB_SIGNAL_COMPOSITE     4
 421 #define FB_SIGNAL_SYNC_ON_GREEN 8
 422 #define FB_SIGNAL_SERRATION_ON  16
 423
 424 #define FB_MISC_PRIM_COLOR      1
 425 #define FB_MISC_1ST_DETAIL      2       /* First Detailed Timing is preferred */
 426 struct fb_chroma {
 427         __u32 redx;     /* in fraction of 1024 */
 428         __u32 greenx;
 429         __u32 bluex;
 430         __u32 whitex;
 431         __u32 redy;
 432         __u32 greeny;
 433         __u32 bluey;
 434         __u32 whitey;
 435 };
 436
 437 struct fb_monspecs {
 438         struct fb_chroma chroma;
 439         struct fb_videomode *modedb;    /* mode database */
 440         __u8  manufacturer[4];          /* Manufacturer */
 441         __u8  monitor[14];              /* Monitor String */
 442         __u8  serial_no[14];            /* Serial Number */
 443         __u8  ascii[14];                /* ? */
 444         __u32 modedb_len;               /* mode database length */
 445         __u32 model;                    /* Monitor Model */
 446         __u32 serial;                   /* Serial Number - Integer */
 447         __u32 year;                     /* Year manufactured */
 448         __u32 week;                     /* Week Manufactured */
 449         __u32 hfmin;                    /* hfreq lower limit (Hz) */
 450         __u32 hfmax;                    /* hfreq upper limit (Hz) */
 451         __u32 dclkmin;                  /* pixelclock lower limit (Hz) */
 452         __u32 dclkmax;                  /* pixelclock upper limit (Hz) */
 453         __u16 input;                    /* display type - see FB_DISP_* */
 454         __u16 dpms;                     /* DPMS support - see FB_DPMS_ */
 455         __u16 signal;                   /* Signal Type - see FB_SIGNAL_* */
 456         __u16 vfmin;                    /* vfreq lower limit (Hz) */
 457         __u16 vfmax;                    /* vfreq upper limit (Hz) */
 458         __u16 gamma;                    /* Gamma - in fractions of 100 */
 459         __u16 gtf       : 1;            /* supports GTF */
 460         __u16 misc;                     /* Misc flags - see FB_MISC_* */
 461         __u8  version;                  /* EDID version... */
 462         __u8  revision;                 /* ...and revision */
 463         __u8  max_x;                    /* Maximum horizontal size (cm) */
 464         __u8  max_y;                    /* Maximum vertical size (cm) */
 465 };
 466
 467 struct fb_cmap_user {
 468         __u32 start;                    /* First entry  */
 469         __u32 len;                      /* Number of entries */
 470         __u16 __user *red;              /* Red values   */
 471         __u16 __user *green;
 472         __u16 __user *blue;
 473         __u16 __user *transp;           /* transparency, can be NULL */
 474 };
 475
 476 struct fb_image_user {
 477         __u32 dx;                       /* Where to place image */
 478         __u32 dy;
 479         __u32 width;                    /* Size of image */
 480         __u32 height;
 481         __u32 fg_color;                 /* Only used when a mono bitmap */
 482         __u32 bg_color;
 483         __u8  depth;                    /* Depth of the image */
 484         const char __user *data;        /* Pointer to image data */
 485         struct fb_cmap_user cmap;       /* color map info */
 486 };
 487
 488 struct fb_cursor_user {
 489         __u16 set;                      /* what to set */
 490         __u16 enable;                   /* cursor on/off */
 491         __u16 rop;                      /* bitop operation */
 492         const char __user *mask;        /* cursor mask bits */
 493         struct fbcurpos hot;            /* cursor hot spot */
 494         struct fb_image_user image;     /* Cursor image */
 495 };
 496
 497 /*
 498  * Register/unregister for framebuffer events
 499  */
 500
 501 /*      The resolution of the passed in fb_info about to change */
 502 #define FB_EVENT_MODE_CHANGE            0x01
 503 /*      The display on this fb_info is beeing suspended, no access to the
 504  *      framebuffer is allowed any more after that call returns
 505  */
 506 #define FB_EVENT_SUSPEND                0x02
 507 /*      The display on this fb_info was resumed, you can restore the display
 508  *      if you own it
 509  */
 510 #define FB_EVENT_RESUME                 0x03
 511 /*      An entry from the modelist was removed */
 512 #define FB_EVENT_MODE_DELETE            0x04
 513 /*      A driver registered itself */
 514 #define FB_EVENT_FB_REGISTERED          0x05
 515 /*      A driver unregistered itself */
 516 #define FB_EVENT_FB_UNREGISTERED        0x06
 517 /*      CONSOLE-SPECIFIC: get console to framebuffer mapping */
 518 #define FB_EVENT_GET_CONSOLE_MAP        0x07
 519 /*      CONSOLE-SPECIFIC: set console to framebuffer mapping */
 520 #define FB_EVENT_SET_CONSOLE_MAP        0x08
 521 /*      A hardware display blank change occured */
 522 #define FB_EVENT_BLANK                  0x09
 523 /*      Private modelist is to be replaced */
 524 #define FB_EVENT_NEW_MODELIST           0x0A
 525 /*      The resolution of the passed in fb_info about to change and
 526         all vc's should be changed         */
 527 #define FB_EVENT_MODE_CHANGE_ALL        0x0B
 528 /*      A software display blank change occured */
 529 #define FB_EVENT_CONBLANK               0x0C
 530 /*      Get drawing requirements        */
 531 #define FB_EVENT_GET_REQ                0x0D
 532
 533 struct fb_event {
 534         struct fb_info *info;
 535         void *data;
 536 };
 537
 538 struct fb_blit_caps {
 539         u32 x;
 540         u32 y;
 541         u32 len;
 542         u32 flags;
 543 };
 544
 545 extern int fb_register_client(struct notifier_block *nb);
 546 extern int fb_unregister_client(struct notifier_block *nb);
 547 extern int fb_notifier_call_chain(unsigned long val, void *v);
 548 /*
 549  * Pixmap structure definition
 550  *
 551  * The purpose of this structure is to translate data
 552  * from the hardware independent format of fbdev to what
 553  * format the hardware needs.
 554  */
 555
 556 #define FB_PIXMAP_DEFAULT 1     /* used internally by fbcon */
 557 #define FB_PIXMAP_SYSTEM  2     /* memory is in system RAM  */
 558 #define FB_PIXMAP_IO      4     /* memory is iomapped       */
 559 #define FB_PIXMAP_SYNC    256   /* set if GPU can DMA       */
 560
 561 struct fb_pixmap {
 562         u8  *addr;              /* pointer to memory                    */
 563         u32 size;               /* size of buffer in bytes              */
 564         u32 offset;             /* current offset to buffer             */
 565         u32 buf_align;          /* byte alignment of each bitmap        */
 566         u32 scan_align;         /* alignment per scanline               */
 567         u32 access_align;       /* alignment per read/write (bits)      */
 568         u32 flags;              /* see FB_PIXMAP_*                      */
 569         u32 blit_x;             /* supported bit block dimensions (1-32)*/
 570         u32 blit_y;             /* Format: blit_x = 1 << (width - 1)    */
 571                                 /*         blit_y = 1 << (height - 1)   */
 572                                 /* if 0, will be set to 0xffffffff (all)*/
 573         /* access methods */
 574         void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size);
 575         void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size);
 576 };
 577
 578 #ifdef CONFIG_FB_DEFERRED_IO
 579 struct fb_deferred_io {
 580         /* delay between mkwrite and deferred handler */
 581         unsigned long delay;
 582         struct mutex lock; /* mutex that protects the page list */
 583         struct list_head pagelist; /* list of touched pages */
 584         /* callback */
 585         void (*deferred_io)(struct fb_info *info, struct list_head *pagelist);
 586 };
 587 #endif
 588
 589 /*
 590  * Frame buffer operations
 591  *
 592  * LOCKING NOTE: those functions must _ALL_ be called with the console
 593  * semaphore held, this is the only suitable locking mechanism we have
 594  * in 2.6. Some may be called at interrupt time at this point though.
 595  */
 596
 597 struct fb_ops {
 598         /* open/release and usage marking */
 599         struct module *owner;
 600         int (*fb_open)(struct fb_info *info, int user);
 601         int (*fb_release)(struct fb_info *info, int user);
 602
 603         /* For framebuffers with strange non linear layouts or that do not
 604          * work with normal memory mapped access
 605          */
 606         ssize_t (*fb_read)(struct fb_info *info, char __user *buf,
 607                            size_t count, loff_t *ppos);
 608         ssize_t (*fb_write)(struct fb_info *info, const char __user *buf,
 609                             size_t count, loff_t *ppos);
 610
 611         /* checks var and eventually tweaks it to something supported,
 612          * DO NOT MODIFY PAR */
 613         int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info);
 614
 615         /* set the video mode according to info->var */
 616         int (*fb_set_par)(struct fb_info *info);
 617
 618         /* set color register */
 619         int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green,
 620                             unsigned blue, unsigned transp, struct fb_info *info);
 621
 622         /* set color registers in batch */
 623         int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info);
 624
 625         /* blank display */
 626         int (*fb_blank)(int blank, struct fb_info *info);
 627
 628         /* pan display */
 629         int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info);
 630
 631         /* Draws a rectangle */
 632         void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect);
 633         /* Copy data from area to another */
 634         void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region);
 635         /* Draws a image to the display */
 636         void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image);
 637
 638         /* Draws cursor */
 639         int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor);
 640
 641         /* Rotates the display */
 642         void (*fb_rotate)(struct fb_info *info, int angle);
 643
 644         /* wait for blit idle, optional */
 645         int (*fb_sync)(struct fb_info *info);
 646
 647         /* perform fb specific ioctl (optional) */
 648         int (*fb_ioctl)(struct fb_info *info, unsigned int cmd,
 649                         unsigned long arg);
 650
 651         /* Handle 32bit compat ioctl (optional) */
 652         int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd,
 653                         unsigned long arg);
 654
 655         /* perform fb specific mmap */
 656         int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma);
 657
 658         /* save current hardware state */
 659         void (*fb_save_state)(struct fb_info *info);
 660
 661         /* restore saved state */
 662         void (*fb_restore_state)(struct fb_info *info);
 663
 664         /* get capability given var */
 665         void (*fb_get_caps)(struct fb_info *info, struct fb_blit_caps *caps,
 666                             struct fb_var_screeninfo *var);
 667 };
 668
 669 #ifdef CONFIG_FB_TILEBLITTING
 670 #define FB_TILE_CURSOR_NONE        0
 671 #define FB_TILE_CURSOR_UNDERLINE   1
 672 #define FB_TILE_CURSOR_LOWER_THIRD 2
 673 #define FB_TILE_CURSOR_LOWER_HALF  3
 674 #define FB_TILE_CURSOR_TWO_THIRDS  4
 675 #define FB_TILE_CURSOR_BLOCK       5
 676
 677 struct fb_tilemap {
 678         __u32 width;                /* width of each tile in pixels */
 679         __u32 height;               /* height of each tile in scanlines */
 680         __u32 depth;                /* color depth of each tile */
 681         __u32 length;               /* number of tiles in the map */
 682         const __u8 *data;           /* actual tile map: a bitmap array, packed
 683                                        to the nearest byte */
 684 };
 685
 686 struct fb_tilerect {
 687         __u32 sx;                   /* origin in the x-axis */
 688         __u32 sy;                   /* origin in the y-axis */
 689         __u32 width;                /* number of tiles in the x-axis */
 690         __u32 height;               /* number of tiles in the y-axis */
 691         __u32 index;                /* what tile to use: index to tile map */
 692         __u32 fg;                   /* foreground color */
 693         __u32 bg;                   /* background color */
 694         __u32 rop;                  /* raster operation */
 695 };
 696
 697 struct fb_tilearea {
 698         __u32 sx;                   /* source origin in the x-axis */
 699         __u32 sy;                   /* source origin in the y-axis */
 700         __u32 dx;                   /* destination origin in the x-axis */
 701         __u32 dy;                   /* destination origin in the y-axis */
 702         __u32 width;                /* number of tiles in the x-axis */
 703         __u32 height;               /* number of tiles in the y-axis */
 704 };
 705
 706 struct fb_tileblit {
 707         __u32 sx;                   /* origin in the x-axis */
 708         __u32 sy;                   /* origin in the y-axis */
 709         __u32 width;                /* number of tiles in the x-axis */
 710         __u32 height;               /* number of tiles in the y-axis */
 711         __u32 fg;                   /* foreground color */
 712         __u32 bg;                   /* background color */
 713         __u32 length;               /* number of tiles to draw */
 714         __u32 *indices;             /* array of indices to tile map */
 715 };
 716
 717 struct fb_tilecursor {
 718         __u32 sx;                   /* cursor position in the x-axis */
 719         __u32 sy;                   /* cursor position in the y-axis */
 720         __u32 mode;                 /* 0 = erase, 1 = draw */
 721         __u32 shape;                /* see FB_TILE_CURSOR_* */
 722         __u32 fg;                   /* foreground color */
 723         __u32 bg;                   /* background color */
 724 };
 725
 726 struct fb_tile_ops {
 727         /* set tile characteristics */
 728         void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map);
 729
 730         /* all dimensions from hereon are in terms of tiles */
 731
 732         /* move a rectangular region of tiles from one area to another*/
 733         void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area);
 734         /* fill a rectangular region with a tile */
 735         void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect);
 736         /* copy an array of tiles */
 737         void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit);
 738         /* cursor */
 739         void (*fb_tilecursor)(struct fb_info *info,
 740                               struct fb_tilecursor *cursor);
 741         /* get maximum length of the tile map */
 742         int (*fb_get_tilemax)(struct fb_info *info);
 743 };
 744 #endif /* CONFIG_FB_TILEBLITTING */
 745
 746 /* FBINFO_* = fb_info.flags bit flags */
 747 #define FBINFO_MODULE           0x0001  /* Low-level driver is a module */
 748 #define FBINFO_HWACCEL_DISABLED 0x0002
 749         /* When FBINFO_HWACCEL_DISABLED is set:
 750          *  Hardware acceleration is turned off.  Software implementations
 751          *  of required functions (copyarea(), fillrect(), and imageblit())
 752          *  takes over; acceleration engine should be in a quiescent state */
 753
 754 /* hints */
 755 #define FBINFO_PARTIAL_PAN_OK   0x0040 /* otw use pan only for double-buffering */
 756 #define FBINFO_READS_FAST       0x0080 /* soft-copy faster than rendering */
 757
 758 /* hardware supported ops */
 759 /*  semantics: when a bit is set, it indicates that the operation is
 760  *   accelerated by hardware.
 761  *  required functions will still work even if the bit is not set.
 762  *  optional functions may not even exist if the flag bit is not set.
 763  */
 764 #define FBINFO_HWACCEL_NONE             0x0000
 765 #define FBINFO_HWACCEL_COPYAREA         0x0100 /* required */
 766 #define FBINFO_HWACCEL_FILLRECT         0x0200 /* required */
 767 #define FBINFO_HWACCEL_IMAGEBLIT        0x0400 /* required */
 768 #define FBINFO_HWACCEL_ROTATE           0x0800 /* optional */
 769 #define FBINFO_HWACCEL_XPAN             0x1000 /* optional */
 770 #define FBINFO_HWACCEL_YPAN             0x2000 /* optional */
 771 #define FBINFO_HWACCEL_YWRAP            0x4000 /* optional */
 772
 773 #define FBINFO_MISC_USEREVENT          0x10000 /* event request
 774                                                   from userspace */
 775 #define FBINFO_MISC_TILEBLITTING       0x20000 /* use tile blitting */
 776
 777 /* A driver may set this flag to indicate that it does want a set_par to be
 778  * called every time when fbcon_switch is executed. The advantage is that with
 779  * this flag set you can really be sure that set_par is always called before
 780  * any of the functions dependant on the correct hardware state or altering
 781  * that state, even if you are using some broken X releases. The disadvantage
 782  * is that it introduces unwanted delays to every console switch if set_par
 783  * is slow. It is a good idea to try this flag in the drivers initialization
 784  * code whenever there is a bug report related to switching between X and the
 785  * framebuffer console.
 786  */
 787 #define FBINFO_MISC_ALWAYS_SETPAR   0x40000
 788
 789 struct fb_info {
 790         int node;
 791         int flags;
 792         struct fb_var_screeninfo var;   /* Current var */
 793         struct fb_fix_screeninfo fix;   /* Current fix */
 794         struct fb_monspecs monspecs;    /* Current Monitor specs */
 795         struct work_struct queue;       /* Framebuffer event queue */
 796         struct fb_pixmap pixmap;        /* Image hardware mapper */
 797         struct fb_pixmap sprite;        /* Cursor hardware mapper */
 798         struct fb_cmap cmap;            /* Current cmap */
 799         struct list_head modelist;      /* mode list */
 800         struct fb_videomode *mode;      /* current mode */
 801
 802 #ifdef CONFIG_FB_BACKLIGHT
 803         /* assigned backlight device */
 804         /* set before framebuffer registration,
 805            remove after unregister */
 806         struct backlight_device *bl_dev;
 807
 808         /* Backlight level curve */
 809         struct mutex bl_curve_mutex;
 810         u8 bl_curve[FB_BACKLIGHT_LEVELS];
 811 #endif
 812 #ifdef CONFIG_FB_DEFERRED_IO
 813         struct delayed_work deferred_work;
 814         struct fb_deferred_io *fbdefio;
 815 #endif
 816
 817         struct fb_ops *fbops;
 818         struct device *device;          /* This is the parent */
 819         struct device *dev;             /* This is this fb device */
 820         int class_flag;                    /* private sysfs flags */
 821 #ifdef CONFIG_FB_TILEBLITTING
 822         struct fb_tile_ops *tileops;    /* Tile Blitting */
 823 #endif
 824         char __iomem *screen_base;      /* Virtual address */
 825         unsigned long screen_size;      /* Amount of ioremapped VRAM or 0 */
 826         void *pseudo_palette;           /* Fake palette of 16 colors */
 827 #define FBINFO_STATE_RUNNING    0
 828 #define FBINFO_STATE_SUSPENDED  1
 829         u32 state;                      /* Hardware state i.e suspend */
 830         void *fbcon_par;                /* fbcon use-only private area */
 831         /* From here on everything is device dependent */
 832         void *par;
 833 };
 834
 835 #ifdef MODULE
 836 #define FBINFO_DEFAULT  FBINFO_MODULE
 837 #else
 838 #define FBINFO_DEFAULT  0
 839 #endif
 840
 841 // This will go away
 842 #define FBINFO_FLAG_MODULE      FBINFO_MODULE
 843 #define FBINFO_FLAG_DEFAULT     FBINFO_DEFAULT
 844
 845 /* This will go away
 846  * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags
 847  * when it wants to turn the acceleration engine on.  This is
 848  * really a separate operation, and should be modified via sysfs.
 849  *  But for now, we leave it broken with the following define
 850  */
 851 #define STUPID_ACCELF_TEXT_SHIT
 852
 853 // This will go away
 854 #if defined(__sparc__)
 855
 856 /* We map all of our framebuffers such that big-endian accesses
 857  * are what we want, so the following is sufficient.
 858  */
 859
 860 // This will go away
 861 #define fb_readb sbus_readb
 862 #define fb_readw sbus_readw
 863 #define fb_readl sbus_readl
 864 #define fb_readq sbus_readq
 865 #define fb_writeb sbus_writeb
 866 #define fb_writew sbus_writew
 867 #define fb_writel sbus_writel
 868 #define fb_writeq sbus_writeq
 869 #define fb_memset sbus_memset_io
 870
 871 #elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || (defined(__sh__) && !defined(__SH5__)) || defined(__powerpc__) || defined(__avr32__)
 872
 873 #define fb_readb __raw_readb
 874 #define fb_readw __raw_readw
 875 #define fb_readl __raw_readl
 876 #define fb_readq __raw_readq
 877 #define fb_writeb __raw_writeb
 878 #define fb_writew __raw_writew
 879 #define fb_writel __raw_writel
 880 #define fb_writeq __raw_writeq
 881 #define fb_memset memset_io
 882
 883 #else
 884
 885 #define fb_readb(addr) (*(volatile u8 *) (addr))
 886 #define fb_readw(addr) (*(volatile u16 *) (addr))
 887 #define fb_readl(addr) (*(volatile u32 *) (addr))
 888 #define fb_readq(addr) (*(volatile u64 *) (addr))
 889 #define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b))
 890 #define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b))
 891 #define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b))
 892 #define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b))
 893 #define fb_memset memset
 894
 895 #endif
 896
 897 #if defined (__BIG_ENDIAN)
 898 #define FB_LEFT_POS(bpp)          (32 - bpp)
 899 #define FB_SHIFT_HIGH(val, bits)  ((val) >> (bits))
 900 #define FB_SHIFT_LOW(val, bits)   ((val) << (bits))
 901 #else
 902 #define FB_LEFT_POS(bpp)          (0)
 903 #define FB_SHIFT_HIGH(val, bits)  ((val) << (bits))
 904 #define FB_SHIFT_LOW(val, bits)   ((val) >> (bits))
 905 #endif
 906
 907     /*
 908      *  `Generic' versions of the frame buffer device operations
 909      */
 910
 911 extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var);
 912 extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var);
 913 extern int fb_blank(struct fb_info *info, int blank);
 914 extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
 915 extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area);
 916 extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image);
 917 /*
 918  * Drawing operations where framebuffer is in system RAM
 919  */
 920 extern void sys_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
 921 extern void sys_copyarea(struct fb_info *info, const struct fb_copyarea *area);
 922 extern void sys_imageblit(struct fb_info *info, const struct fb_image *image);
 923 extern ssize_t fb_sys_read(struct fb_info *info, char __user *buf,
 924                            size_t count, loff_t *ppos);
 925 extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf,
 926                             size_t count, loff_t *ppos);
 927
 928 /* drivers/video/fbmem.c */
 929 extern int register_framebuffer(struct fb_info *fb_info);
 930 extern int unregister_framebuffer(struct fb_info *fb_info);
 931 extern int fb_prepare_logo(struct fb_info *fb_info, int rotate);
 932 extern int fb_show_logo(struct fb_info *fb_info, int rotate);
 933 extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size);
 934 extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx,
 935                                 u32 height, u32 shift_high, u32 shift_low, u32 mod);
 936 extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height);
 937 extern void fb_set_suspend(struct fb_info *info, int state);
 938 extern int fb_get_color_depth(struct fb_var_screeninfo *var,
 939                               struct fb_fix_screeninfo *fix);
 940 extern int fb_get_options(char *name, char **option);
 941 extern int fb_new_modelist(struct fb_info *info);
 942
 943 extern struct fb_info *registered_fb[FB_MAX];
 944 extern int num_registered_fb;
 945
 946 static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch,
 947                                            u8 *src, u32 s_pitch, u32 height)
 948 {
 949         int i, j;
 950
 951         d_pitch -= s_pitch;
 952
 953         for (i = height; i--; ) {
 954                 /* s_pitch is a few bytes at the most, memcpy is suboptimal */
 955                 for (j = 0; j < s_pitch; j++)
 956                         *dst++ = *src++;
 957                 dst += d_pitch;
 958         }
 959 }
 960
 961 /* drivers/video/fb_defio.c */
 962 extern void fb_deferred_io_init(struct fb_info *info);
 963 extern void fb_deferred_io_cleanup(struct fb_info *info);
 964 extern int fb_deferred_io_fsync(struct file *file, struct dentry *dentry,
 965                                 int datasync);
 966
 967 /* drivers/video/fbsysfs.c */
 968 extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev);
 969 extern void framebuffer_release(struct fb_info *info);
 970 extern int fb_init_device(struct fb_info *fb_info);
 971 extern void fb_cleanup_device(struct fb_info *head);
 972 extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max);
 973
 974 /* drivers/video/fbmon.c */
 975 #define FB_MAXTIMINGS           0
 976 #define FB_VSYNCTIMINGS         1
 977 #define FB_HSYNCTIMINGS         2
 978 #define FB_DCLKTIMINGS          3
 979 #define FB_IGNOREMON            0x100
 980
 981 #define FB_MODE_IS_UNKNOWN      0
 982 #define FB_MODE_IS_DETAILED     1
 983 #define FB_MODE_IS_STANDARD     2
 984 #define FB_MODE_IS_VESA         4
 985 #define FB_MODE_IS_CALCULATED   8
 986 #define FB_MODE_IS_FIRST        16
 987 #define FB_MODE_IS_FROM_VAR     32
 988
 989 extern int fbmon_dpms(const struct fb_info *fb_info);
 990 extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var,
 991                        struct fb_info *info);
 992 extern int fb_validate_mode(const struct fb_var_screeninfo *var,
 993                             struct fb_info *info);
 994 extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var);
 995 extern const unsigned char *fb_firmware_edid(struct device *device);
 996 extern void fb_edid_to_monspecs(unsigned char *edid,
 997                                 struct fb_monspecs *specs);
 998 extern void fb_destroy_modedb(struct fb_videomode *modedb);
 999 extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb);
1000 extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter);
1001
1002 /* drivers/video/modedb.c */
1003 #define VESA_MODEDB_SIZE 34
1004 extern void fb_var_to_videomode(struct fb_videomode *mode,
1005                                 const struct fb_var_screeninfo *var);
1006 extern void fb_videomode_to_var(struct fb_var_screeninfo *var,
1007                                 const struct fb_videomode *mode);
1008 extern int fb_mode_is_equal(const struct fb_videomode *mode1,
1009                             const struct fb_videomode *mode2);
1010 extern int fb_add_videomode(const struct fb_videomode *mode,
1011                             struct list_head *head);
1012 extern void fb_delete_videomode(const struct fb_videomode *mode,
1013                                 struct list_head *head);
1014 extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var,
1015                                                 struct list_head *head);
1016 extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var,
1017                                                     struct list_head *head);
1018 extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode,
1019                                                        struct list_head *head);
1020 extern void fb_destroy_modelist(struct list_head *head);
1021 extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num,
1022                                      struct list_head *head);
1023 extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs,
1024                                                        struct list_head *head);
1025
1026 /* drivers/video/fbcmap.c */
1027 extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
1028 extern void fb_dealloc_cmap(struct fb_cmap *cmap);
1029 extern int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to);
1030 extern int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to);
1031 extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info);
1032 extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info);
1033 extern const struct fb_cmap *fb_default_cmap(int len);
1034 extern void fb_invert_cmaps(void);
1035
1036 struct fb_videomode {
1037         const char *name;       /* optional */
1038         u32 refresh;            /* optional */
1039         u32 xres;
1040         u32 yres;
1041         u32 pixclock;
1042         u32 left_margin;
1043         u32 right_margin;
1044         u32 upper_margin;
1045         u32 lower_margin;
1046         u32 hsync_len;
1047         u32 vsync_len;
1048         u32 sync;
1049         u32 vmode;
1050         u32 flag;
1051 };
1052
1053 extern const struct fb_videomode vesa_modes[];
1054
1055 struct fb_modelist {
1056         struct list_head list;
1057         struct fb_videomode mode;
1058 };
1059
1060 extern int fb_find_mode(struct fb_var_screeninfo *var,
1061                         struct fb_info *info, const char *mode_option,
1062                         const struct fb_videomode *db,
1063                         unsigned int dbsize,
1064                         const struct fb_videomode *default_mode,
1065                         unsigned int default_bpp);
1066
1067 #endif /* __KERNEL__ */
1068
1069 #endif /* _LINUX_FB_H */