LXR linux/include/linux/fb.h

   1#ifndef _LINUX_FB_H
   2#define _LINUX_FB_H
   3
   4#include <linux/types.h>
   5#include <linux/i2c.h>
   6
   7/* Definitions of frame buffers                                         */
   8
   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#define FBIO_WAITFORVSYNC       _IOW('F', 0x20, __u32)
  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#define FB_AUX_TEXT_SVGA_GROUP  8       /* 8-15: SVGA tileblit compatible modes */
  52#define FB_AUX_TEXT_SVGA_MASK   7       /* lower three bits says step */
  53#define FB_AUX_TEXT_SVGA_STEP2  8       /* SVGA text mode:  text, attr */
  54#define FB_AUX_TEXT_SVGA_STEP4  9       /* SVGA text mode:  text, attr,  2 reserved bytes */
  55#define FB_AUX_TEXT_SVGA_STEP8  10      /* SVGA text mode:  text, attr,  6 reserved bytes */
  56#define FB_AUX_TEXT_SVGA_STEP16 11      /* SVGA text mode:  text, attr, 14 reserved bytes */
  57#define FB_AUX_TEXT_SVGA_LAST   15      /* reserved up to 15 */
  58
  59#define FB_AUX_VGA_PLANES_VGA4          0       /* 16 color planes (EGA/VGA) */
  60#define FB_AUX_VGA_PLANES_CFB4          1       /* CFB4 in planes (VGA) */
  61#define FB_AUX_VGA_PLANES_CFB8          2       /* CFB8 in planes (VGA) */
  62
  63#define FB_VISUAL_MONO01                0       /* Monochr. 1=Black 0=White */
  64#define FB_VISUAL_MONO10                1       /* Monochr. 1=White 0=Black */
  65#define FB_VISUAL_TRUECOLOR             2       /* True color   */
  66#define FB_VISUAL_PSEUDOCOLOR           3       /* Pseudo color (like atari) */
  67#define FB_VISUAL_DIRECTCOLOR           4       /* Direct color */
  68#define FB_VISUAL_STATIC_PSEUDOCOLOR    5       /* Pseudo color readonly */
  69
  70#define FB_ACCEL_NONE           0       /* no hardware accelerator      */
  71#define FB_ACCEL_ATARIBLITT     1       /* Atari Blitter                */
  72#define FB_ACCEL_AMIGABLITT     2       /* Amiga Blitter                */
  73#define FB_ACCEL_S3_TRIO64      3       /* Cybervision64 (S3 Trio64)    */
  74#define FB_ACCEL_NCR_77C32BLT   4       /* RetinaZ3 (NCR 77C32BLT)      */
  75#define FB_ACCEL_S3_VIRGE       5       /* Cybervision64/3D (S3 ViRGE)  */
  76#define FB_ACCEL_ATI_MACH64GX   6       /* ATI Mach 64GX family         */
  77#define FB_ACCEL_DEC_TGA        7       /* DEC 21030 TGA                */
  78#define FB_ACCEL_ATI_MACH64CT   8       /* ATI Mach 64CT family         */
  79#define FB_ACCEL_ATI_MACH64VT   9       /* ATI Mach 64CT family VT class */
  80#define FB_ACCEL_ATI_MACH64GT   10      /* ATI Mach 64CT family GT class */
  81#define FB_ACCEL_SUN_CREATOR    11      /* Sun Creator/Creator3D        */
  82#define FB_ACCEL_SUN_CGSIX      12      /* Sun cg6                      */
  83#define FB_ACCEL_SUN_LEO        13      /* Sun leo/zx                   */
  84#define FB_ACCEL_IMS_TWINTURBO  14      /* IMS Twin Turbo               */
  85#define FB_ACCEL_3DLABS_PERMEDIA2 15    /* 3Dlabs Permedia 2            */
  86#define FB_ACCEL_MATROX_MGA2064W 16     /* Matrox MGA2064W (Millenium)  */
  87#define FB_ACCEL_MATROX_MGA1064SG 17    /* Matrox MGA1064SG (Mystique)  */
  88#define FB_ACCEL_MATROX_MGA2164W 18     /* Matrox MGA2164W (Millenium II) */
  89#define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */
  90#define FB_ACCEL_MATROX_MGAG100 20      /* Matrox G100 (Productiva G100) */
  91#define FB_ACCEL_MATROX_MGAG200 21      /* Matrox G200 (Myst, Mill, ...) */
  92#define FB_ACCEL_SUN_CG14       22      /* Sun cgfourteen                */
  93#define FB_ACCEL_SUN_BWTWO      23      /* Sun bwtwo                    */
  94#define FB_ACCEL_SUN_CGTHREE    24      /* Sun cgthree                  */
  95#define FB_ACCEL_SUN_TCX        25      /* Sun tcx                      */
  96#define FB_ACCEL_MATROX_MGAG400 26      /* Matrox G400                  */
  97#define FB_ACCEL_NV3            27      /* nVidia RIVA 128              */
  98#define FB_ACCEL_NV4            28      /* nVidia RIVA TNT              */
  99#define FB_ACCEL_NV5            29      /* nVidia RIVA TNT2             */
 100#define FB_ACCEL_CT_6555x       30      /* C&T 6555x                    */
 101#define FB_ACCEL_3DFX_BANSHEE   31      /* 3Dfx Banshee                 */
 102#define FB_ACCEL_ATI_RAGE128    32      /* ATI Rage128 family           */
 103#define FB_ACCEL_IGS_CYBER2000  33      /* CyberPro 2000                */
 104#define FB_ACCEL_IGS_CYBER2010  34      /* CyberPro 2010                */
 105#define FB_ACCEL_IGS_CYBER5000  35      /* CyberPro 5000                */
 106#define FB_ACCEL_SIS_GLAMOUR    36      /* SiS 300/630/540              */
 107#define FB_ACCEL_3DLABS_PERMEDIA3 37    /* 3Dlabs Permedia 3            */
 108#define FB_ACCEL_ATI_RADEON     38      /* ATI Radeon family            */
 109#define FB_ACCEL_I810           39      /* Intel 810/815                */
 110#define FB_ACCEL_SIS_GLAMOUR_2  40      /* SiS 315, 650, 740            */
 111#define FB_ACCEL_SIS_XABRE      41      /* SiS 330 ("Xabre")            */
 112#define FB_ACCEL_I830           42      /* Intel 830M/845G/85x/865G     */
 113#define FB_ACCEL_NV_10          43      /* nVidia Arch 10               */
 114#define FB_ACCEL_NV_20          44      /* nVidia Arch 20               */
 115#define FB_ACCEL_NV_30          45      /* nVidia Arch 30               */
 116#define FB_ACCEL_NV_40          46      /* nVidia Arch 40               */
 117#define FB_ACCEL_XGI_VOLARI_V   47      /* XGI Volari V3XT, V5, V8      */
 118#define FB_ACCEL_XGI_VOLARI_Z   48      /* XGI Volari Z7                */
 119#define FB_ACCEL_OMAP1610       49      /* TI OMAP16xx                  */
 120#define FB_ACCEL_TRIDENT_TGUI   50      /* Trident TGUI                 */
 121#define FB_ACCEL_TRIDENT_3DIMAGE 51     /* Trident 3DImage              */
 122#define FB_ACCEL_TRIDENT_BLADE3D 52     /* Trident Blade3D              */
 123#define FB_ACCEL_TRIDENT_BLADEXP 53     /* Trident BladeXP              */
 124#define FB_ACCEL_CIRRUS_ALPINE   53     /* Cirrus Logic 543x/544x/5480  */
 125#define FB_ACCEL_NEOMAGIC_NM2070 90     /* NeoMagic NM2070              */
 126#define FB_ACCEL_NEOMAGIC_NM2090 91     /* NeoMagic NM2090              */
 127#define FB_ACCEL_NEOMAGIC_NM2093 92     /* NeoMagic NM2093              */
 128#define FB_ACCEL_NEOMAGIC_NM2097 93     /* NeoMagic NM2097              */
 129#define FB_ACCEL_NEOMAGIC_NM2160 94     /* NeoMagic NM2160              */
 130#define FB_ACCEL_NEOMAGIC_NM2200 95     /* NeoMagic NM2200              */
 131#define FB_ACCEL_NEOMAGIC_NM2230 96     /* NeoMagic NM2230              */
 132#define FB_ACCEL_NEOMAGIC_NM2360 97     /* NeoMagic NM2360              */
 133#define FB_ACCEL_NEOMAGIC_NM2380 98     /* NeoMagic NM2380              */
 134#define FB_ACCEL_PXA3XX          99     /* PXA3xx                       */
 135
 136#define FB_ACCEL_SAVAGE4        0x80    /* S3 Savage4                   */
 137#define FB_ACCEL_SAVAGE3D       0x81    /* S3 Savage3D                  */
 138#define FB_ACCEL_SAVAGE3D_MV    0x82    /* S3 Savage3D-MV               */
 139#define FB_ACCEL_SAVAGE2000     0x83    /* S3 Savage2000                */
 140#define FB_ACCEL_SAVAGE_MX_MV   0x84    /* S3 Savage/MX-MV              */
 141#define FB_ACCEL_SAVAGE_MX      0x85    /* S3 Savage/MX                 */
 142#define FB_ACCEL_SAVAGE_IX_MV   0x86    /* S3 Savage/IX-MV              */
 143#define FB_ACCEL_SAVAGE_IX      0x87    /* S3 Savage/IX                 */
 144#define FB_ACCEL_PROSAVAGE_PM   0x88    /* S3 ProSavage PM133           */
 145#define FB_ACCEL_PROSAVAGE_KM   0x89    /* S3 ProSavage KM133           */
 146#define FB_ACCEL_S3TWISTER_P    0x8a    /* S3 Twister                   */
 147#define FB_ACCEL_S3TWISTER_K    0x8b    /* S3 TwisterK                  */
 148#define FB_ACCEL_SUPERSAVAGE    0x8c    /* S3 Supersavage               */
 149#define FB_ACCEL_PROSAVAGE_DDR  0x8d    /* S3 ProSavage DDR             */
 150#define FB_ACCEL_PROSAVAGE_DDRK 0x8e    /* S3 ProSavage DDR-K           */
 151
 152struct fb_fix_screeninfo {
 153        char id[16];                    /* identification string eg "TT Builtin" */
 154        unsigned long smem_start;       /* Start of frame buffer mem */
 155                                        /* (physical address) */
 156        __u32 smem_len;                 /* Length of frame buffer mem */
 157        __u32 type;                     /* see FB_TYPE_*                */
 158        __u32 type_aux;                 /* Interleave for interleaved Planes */
 159        __u32 visual;                   /* see FB_VISUAL_*              */ 
 160        __u16 xpanstep;                 /* zero if no hardware panning  */
 161        __u16 ypanstep;                 /* zero if no hardware panning  */
 162        __u16 ywrapstep;                /* zero if no hardware ywrap    */
 163        __u32 line_length;              /* length of a line in bytes    */
 164        unsigned long mmio_start;       /* Start of Memory Mapped I/O   */
 165                                        /* (physical address) */
 166        __u32 mmio_len;                 /* Length of Memory Mapped I/O  */
 167        __u32 accel;                    /* Indicate to driver which     */
 168                                        /*  specific chip/card we have  */
 169        __u16 reserved[3];              /* Reserved for future compatibility */
 170};
 171
 172/* Interpretation of offset for color fields: All offsets are from the right,
 173 * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
 174 * can use the offset as right argument to <<). A pixel afterwards is a bit
 175 * stream and is written to video memory as that unmodified.
 176 *
 177 * For pseudocolor: offset and length should be the same for all color
 178 * components. Offset specifies the position of the least significant bit
 179 * of the pallette index in a pixel value. Length indicates the number
 180 * of available palette entries (i.e. # of entries = 1 << length).
 181 */
 182struct fb_bitfield {
 183        __u32 offset;                   /* beginning of bitfield        */
 184        __u32 length;                   /* length of bitfield           */
 185        __u32 msb_right;                /* != 0 : Most significant bit is */ 
 186                                        /* right */ 
 187};
 188
 189#define FB_NONSTD_HAM           1       /* Hold-And-Modify (HAM)        */
 190#define FB_NONSTD_REV_PIX_IN_B  2       /* order of pixels in each byte is reversed */
 191
 192#define FB_ACTIVATE_NOW         0       /* set values immediately (or vbl)*/
 193#define FB_ACTIVATE_NXTOPEN     1       /* activate on next open        */
 194#define FB_ACTIVATE_TEST        2       /* don't set, round up impossible */
 195#define FB_ACTIVATE_MASK       15
 196                                        /* values                       */
 197#define FB_ACTIVATE_VBL        16       /* activate values on next vbl  */
 198#define FB_CHANGE_CMAP_VBL     32       /* change colormap on vbl       */
 199#define FB_ACTIVATE_ALL        64       /* change all VCs on this fb    */
 200#define FB_ACTIVATE_FORCE     128       /* force apply even when no change*/
 201#define FB_ACTIVATE_INV_MODE  256       /* invalidate videomode */
 202
 203#define FB_ACCELF_TEXT          1       /* (OBSOLETE) see fb_info.flags and vc_mode */
 204
 205#define FB_SYNC_HOR_HIGH_ACT    1       /* horizontal sync high active  */
 206#define FB_SYNC_VERT_HIGH_ACT   2       /* vertical sync high active    */
 207#define FB_SYNC_EXT             4       /* external sync                */
 208#define FB_SYNC_COMP_HIGH_ACT   8       /* composite sync high active   */
 209#define FB_SYNC_BROADCAST       16      /* broadcast video timings      */
 210                                        /* vtotal = 144d/288n/576i => PAL  */
 211                                        /* vtotal = 121d/242n/484i => NTSC */
 212#define FB_SYNC_ON_GREEN        32      /* sync on green */
 213
 214#define FB_VMODE_NONINTERLACED  0       /* non interlaced */
 215#define FB_VMODE_INTERLACED     1       /* interlaced   */
 216#define FB_VMODE_DOUBLE         2       /* double scan */
 217#define FB_VMODE_ODD_FLD_FIRST  4       /* interlaced: top line first */
 218#define FB_VMODE_MASK           255
 219
 220#define FB_VMODE_YWRAP          256     /* ywrap instead of panning     */
 221#define FB_VMODE_SMOOTH_XPAN    512     /* smooth xpan possible (internally used) */
 222#define FB_VMODE_CONUPDATE      512     /* don't update x/yoffset       */
 223
 224/*
 225 * Display rotation support
 226 */
 227#define FB_ROTATE_UR      0
 228#define FB_ROTATE_CW      1
 229#define FB_ROTATE_UD      2
 230#define FB_ROTATE_CCW     3
 231
 232#define PICOS2KHZ(a) (1000000000UL/(a))
 233#define KHZ2PICOS(a) (1000000000UL/(a))
 234
 235struct fb_var_screeninfo {
 236        __u32 xres;                     /* visible resolution           */
 237        __u32 yres;
 238        __u32 xres_virtual;             /* virtual resolution           */
 239        __u32 yres_virtual;
 240        __u32 xoffset;                  /* offset from virtual to visible */
 241        __u32 yoffset;                  /* resolution                   */
 242
 243        __u32 bits_per_pixel;           /* guess what                   */
 244        __u32 grayscale;                /* != 0 Graylevels instead of colors */
 245
 246        struct fb_bitfield red;         /* bitfield in fb mem if true color, */
 247        struct fb_bitfield green;       /* else only length is significant */
 248        struct fb_bitfield blue;
 249        struct fb_bitfield transp;      /* transparency                 */      
 250
 251        __u32 nonstd;                   /* != 0 Non standard pixel format */
 252
 253        __u32 activate;                 /* see FB_ACTIVATE_*            */
 254
 255        __u32 height;                   /* height of picture in mm    */
 256        __u32 width;                    /* width of picture in mm     */
 257
 258        __u32 accel_flags;              /* (OBSOLETE) see fb_info.flags */
 259
 260        /* Timing: All values in pixclocks, except pixclock (of course) */
 261        __u32 pixclock;                 /* pixel clock in ps (pico seconds) */
 262        __u32 left_margin;              /* time from sync to picture    */
 263        __u32 right_margin;             /* time from picture to sync    */
 264        __u32 upper_margin;             /* time from sync to picture    */
 265        __u32 lower_margin;
 266        __u32 hsync_len;                /* length of horizontal sync    */
 267        __u32 vsync_len;                /* length of vertical sync      */
 268        __u32 sync;                     /* see FB_SYNC_*                */
 269        __u32 vmode;                    /* see FB_VMODE_*               */
 270        __u32 rotate;                   /* angle we rotate counter clockwise */
 271        __u32 reserved[5];              /* Reserved for future compatibility */
 272};
 273
 274struct fb_cmap {
 275        __u32 start;                    /* First entry  */
 276        __u32 len;                      /* Number of entries */
 277        __u16 *red;                     /* Red values   */
 278        __u16 *green;
 279        __u16 *blue;
 280        __u16 *transp;                  /* transparency, can be NULL */
 281};
 282
 283struct fb_con2fbmap {
 284        __u32 console;
 285        __u32 framebuffer;
 286};
 287
 288/* VESA Blanking Levels */
 289#define VESA_NO_BLANKING        0
 290#define VESA_VSYNC_SUSPEND      1
 291#define VESA_HSYNC_SUSPEND      2
 292#define VESA_POWERDOWN          3
 293
 294
 295enum {
 296        /* screen: unblanked, hsync: on,  vsync: on */
 297        FB_BLANK_UNBLANK       = VESA_NO_BLANKING,
 298
 299        /* screen: blanked,   hsync: on,  vsync: on */
 300        FB_BLANK_NORMAL        = VESA_NO_BLANKING + 1,
 301
 302        /* screen: blanked,   hsync: on,  vsync: off */
 303        FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1,
 304
 305        /* screen: blanked,   hsync: off, vsync: on */
 306        FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1,
 307
 308        /* screen: blanked,   hsync: off, vsync: off */
 309        FB_BLANK_POWERDOWN     = VESA_POWERDOWN + 1
 310};
 311
 312#define FB_VBLANK_VBLANKING     0x001   /* currently in a vertical blank */
 313#define FB_VBLANK_HBLANKING     0x002   /* currently in a horizontal blank */
 314#define FB_VBLANK_HAVE_VBLANK   0x004   /* vertical blanks can be detected */
 315#define FB_VBLANK_HAVE_HBLANK   0x008   /* horizontal blanks can be detected */
 316#define FB_VBLANK_HAVE_COUNT    0x010   /* global retrace counter is available */
 317#define FB_VBLANK_HAVE_VCOUNT   0x020   /* the vcount field is valid */
 318#define FB_VBLANK_HAVE_HCOUNT   0x040   /* the hcount field is valid */
 319#define FB_VBLANK_VSYNCING      0x080   /* currently in a vsync */
 320#define FB_VBLANK_HAVE_VSYNC    0x100   /* verical syncs can be detected */
 321
 322struct fb_vblank {
 323        __u32 flags;                    /* FB_VBLANK flags */
 324        __u32 count;                    /* counter of retraces since boot */
 325        __u32 vcount;                   /* current scanline position */
 326        __u32 hcount;                   /* current scandot position */
 327        __u32 reserved[4];              /* reserved for future compatibility */
 328};
 329
 330/* Internal HW accel */
 331#define ROP_COPY 0
 332#define ROP_XOR  1
 333
 334struct fb_copyarea {
 335        __u32 dx;
 336        __u32 dy;
 337        __u32 width;
 338        __u32 height;
 339        __u32 sx;
 340        __u32 sy;
 341};
 342
 343struct fb_fillrect {
 344        __u32 dx;       /* screen-relative */
 345        __u32 dy;
 346        __u32 width;
 347        __u32 height;
 348        __u32 color;
 349        __u32 rop;
 350};
 351
 352struct fb_image {
 353        __u32 dx;               /* Where to place image */
 354        __u32 dy;
 355        __u32 width;            /* Size of image */
 356        __u32 height;
 357        __u32 fg_color;         /* Only used when a mono bitmap */
 358        __u32 bg_color;
 359        __u8  depth;            /* Depth of the image */
 360        const char *data;       /* Pointer to image data */
 361        struct fb_cmap cmap;    /* color map info */
 362};
 363
 364/*
 365 * hardware cursor control
 366 */
 367
 368#define FB_CUR_SETIMAGE 0x01
 369#define FB_CUR_SETPOS   0x02
 370#define FB_CUR_SETHOT   0x04
 371#define FB_CUR_SETCMAP  0x08
 372#define FB_CUR_SETSHAPE 0x10
 373#define FB_CUR_SETSIZE  0x20
 374#define FB_CUR_SETALL   0xFF
 375
 376struct fbcurpos {
 377        __u16 x, y;
 378};
 379
 380struct fb_cursor {
 381        __u16 set;              /* what to set */
 382        __u16 enable;           /* cursor on/off */
 383        __u16 rop;              /* bitop operation */
 384        const char *mask;       /* cursor mask bits */
 385        struct fbcurpos hot;    /* cursor hot spot */
 386        struct fb_image image;  /* Cursor image */
 387};
 388
 389#ifdef CONFIG_FB_BACKLIGHT
 390/* Settings for the generic backlight code */
 391#define FB_BACKLIGHT_LEVELS     128
 392#define FB_BACKLIGHT_MAX        0xFF
 393#endif
 394
 395#ifdef __KERNEL__
 396
 397#include <linux/fs.h>
 398#include <linux/init.h>
 399#include <linux/device.h>
 400#include <linux/workqueue.h>
 401#include <linux/notifier.h>
 402#include <linux/list.h>
 403#include <linux/backlight.h>
 404#include <linux/slab.h>
 405#include <asm/io.h>
 406
 407struct vm_area_struct;
 408struct fb_info;
 409struct device;
 410struct file;
 411
 412/* Definitions below are used in the parsed monitor specs */
 413#define FB_DPMS_ACTIVE_OFF      1
 414#define FB_DPMS_SUSPEND         2
 415#define FB_DPMS_STANDBY         4
 416
 417#define FB_DISP_DDI             1
 418#define FB_DISP_ANA_700_300     2
 419#define FB_DISP_ANA_714_286     4
 420#define FB_DISP_ANA_1000_400    8
 421#define FB_DISP_ANA_700_000     16
 422
 423#define FB_DISP_MONO            32
 424#define FB_DISP_RGB             64
 425#define FB_DISP_MULTI           128
 426#define FB_DISP_UNKNOWN         256
 427
 428#define FB_SIGNAL_NONE          0
 429#define FB_SIGNAL_BLANK_BLANK   1
 430#define FB_SIGNAL_SEPARATE      2
 431#define FB_SIGNAL_COMPOSITE     4
 432#define FB_SIGNAL_SYNC_ON_GREEN 8
 433#define FB_SIGNAL_SERRATION_ON  16
 434
 435#define FB_MISC_PRIM_COLOR      1
 436#define FB_MISC_1ST_DETAIL      2       /* First Detailed Timing is preferred */
 437struct fb_chroma {
 438        __u32 redx;     /* in fraction of 1024 */
 439        __u32 greenx;
 440        __u32 bluex;
 441        __u32 whitex;
 442        __u32 redy;
 443        __u32 greeny;
 444        __u32 bluey;
 445        __u32 whitey;
 446};
 447
 448struct fb_monspecs {
 449        struct fb_chroma chroma;
 450        struct fb_videomode *modedb;    /* mode database */
 451        __u8  manufacturer[4];          /* Manufacturer */
 452        __u8  monitor[14];              /* Monitor String */
 453        __u8  serial_no[14];            /* Serial Number */
 454        __u8  ascii[14];                /* ? */
 455        __u32 modedb_len;               /* mode database length */
 456        __u32 model;                    /* Monitor Model */
 457        __u32 serial;                   /* Serial Number - Integer */
 458        __u32 year;                     /* Year manufactured */
 459        __u32 week;                     /* Week Manufactured */
 460        __u32 hfmin;                    /* hfreq lower limit (Hz) */
 461        __u32 hfmax;                    /* hfreq upper limit (Hz) */
 462        __u32 dclkmin;                  /* pixelclock lower limit (Hz) */
 463        __u32 dclkmax;                  /* pixelclock upper limit (Hz) */
 464        __u16 input;                    /* display type - see FB_DISP_* */
 465        __u16 dpms;                     /* DPMS support - see FB_DPMS_ */
 466        __u16 signal;                   /* Signal Type - see FB_SIGNAL_* */
 467        __u16 vfmin;                    /* vfreq lower limit (Hz) */
 468        __u16 vfmax;                    /* vfreq upper limit (Hz) */
 469        __u16 gamma;                    /* Gamma - in fractions of 100 */
 470        __u16 gtf       : 1;            /* supports GTF */
 471        __u16 misc;                     /* Misc flags - see FB_MISC_* */
 472        __u8  version;                  /* EDID version... */
 473        __u8  revision;                 /* ...and revision */
 474        __u8  max_x;                    /* Maximum horizontal size (cm) */
 475        __u8  max_y;                    /* Maximum vertical size (cm) */
 476};
 477
 478struct fb_cmap_user {
 479        __u32 start;                    /* First entry  */
 480        __u32 len;                      /* Number of entries */
 481        __u16 __user *red;              /* Red values   */
 482        __u16 __user *green;
 483        __u16 __user *blue;
 484        __u16 __user *transp;           /* transparency, can be NULL */
 485};
 486
 487struct fb_image_user {
 488        __u32 dx;                       /* Where to place image */
 489        __u32 dy;
 490        __u32 width;                    /* Size of image */
 491        __u32 height;
 492        __u32 fg_color;                 /* Only used when a mono bitmap */
 493        __u32 bg_color;
 494        __u8  depth;                    /* Depth of the image */
 495        const char __user *data;        /* Pointer to image data */
 496        struct fb_cmap_user cmap;       /* color map info */
 497};
 498
 499struct fb_cursor_user {
 500        __u16 set;                      /* what to set */
 501        __u16 enable;                   /* cursor on/off */
 502        __u16 rop;                      /* bitop operation */
 503        const char __user *mask;        /* cursor mask bits */
 504        struct fbcurpos hot;            /* cursor hot spot */
 505        struct fb_image_user image;     /* Cursor image */
 506};
 507
 508/*
 509 * Register/unregister for framebuffer events
 510 */
 511
 512/*      The resolution of the passed in fb_info about to change */ 
 513#define FB_EVENT_MODE_CHANGE            0x01
 514/*      The display on this fb_info is beeing suspended, no access to the
 515 *      framebuffer is allowed any more after that call returns
 516 */
 517#define FB_EVENT_SUSPEND                0x02
 518/*      The display on this fb_info was resumed, you can restore the display
 519 *      if you own it
 520 */
 521#define FB_EVENT_RESUME                 0x03
 522/*      An entry from the modelist was removed */
 523#define FB_EVENT_MODE_DELETE            0x04
 524/*      A driver registered itself */
 525#define FB_EVENT_FB_REGISTERED          0x05
 526/*      A driver unregistered itself */
 527#define FB_EVENT_FB_UNREGISTERED        0x06
 528/*      CONSOLE-SPECIFIC: get console to framebuffer mapping */
 529#define FB_EVENT_GET_CONSOLE_MAP        0x07
 530/*      CONSOLE-SPECIFIC: set console to framebuffer mapping */
 531#define FB_EVENT_SET_CONSOLE_MAP        0x08
 532/*      A hardware display blank change occured */
 533#define FB_EVENT_BLANK                  0x09
 534/*      Private modelist is to be replaced */
 535#define FB_EVENT_NEW_MODELIST           0x0A
 536/*      The resolution of the passed in fb_info about to change and
 537        all vc's should be changed         */
 538#define FB_EVENT_MODE_CHANGE_ALL        0x0B
 539/*      A software display blank change occured */
 540#define FB_EVENT_CONBLANK               0x0C
 541/*      Get drawing requirements        */
 542#define FB_EVENT_GET_REQ                0x0D
 543/*      Unbind from the console if possible */
 544#define FB_EVENT_FB_UNBIND              0x0E
 545/*      CONSOLE-SPECIFIC: remap all consoles to new fb - for vga switcheroo */
 546#define FB_EVENT_REMAP_ALL_CONSOLE      0x0F
 547
 548struct fb_event {
 549        struct fb_info *info;
 550        void *data;
 551};
 552
 553struct fb_blit_caps {
 554        u32 x;
 555        u32 y;
 556        u32 len;
 557        u32 flags;
 558};
 559
 560extern int fb_register_client(struct notifier_block *nb);
 561extern int fb_unregister_client(struct notifier_block *nb);
 562extern int fb_notifier_call_chain(unsigned long val, void *v);
 563/*
 564 * Pixmap structure definition
 565 *
 566 * The purpose of this structure is to translate data
 567 * from the hardware independent format of fbdev to what
 568 * format the hardware needs.
 569 */
 570
 571#define FB_PIXMAP_DEFAULT 1     /* used internally by fbcon */
 572#define FB_PIXMAP_SYSTEM  2     /* memory is in system RAM  */
 573#define FB_PIXMAP_IO      4     /* memory is iomapped       */
 574#define FB_PIXMAP_SYNC    256   /* set if GPU can DMA       */
 575
 576struct fb_pixmap {
 577        u8  *addr;              /* pointer to memory                    */
 578        u32 size;               /* size of buffer in bytes              */
 579        u32 offset;             /* current offset to buffer             */
 580        u32 buf_align;          /* byte alignment of each bitmap        */
 581        u32 scan_align;         /* alignment per scanline               */
 582        u32 access_align;       /* alignment per read/write (bits)      */
 583        u32 flags;              /* see FB_PIXMAP_*                      */
 584        u32 blit_x;             /* supported bit block dimensions (1-32)*/
 585        u32 blit_y;             /* Format: blit_x = 1 << (width - 1)    */
 586                                /*         blit_y = 1 << (height - 1)   */
 587                                /* if 0, will be set to 0xffffffff (all)*/
 588        /* access methods */
 589        void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size);
 590        void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size);
 591};
 592
 593#ifdef CONFIG_FB_DEFERRED_IO
 594struct fb_deferred_io {
 595        /* delay between mkwrite and deferred handler */
 596        unsigned long delay;
 597        struct mutex lock; /* mutex that protects the page list */
 598        struct list_head pagelist; /* list of touched pages */
 599        /* callback */
 600        void (*deferred_io)(struct fb_info *info, struct list_head *pagelist);
 601};
 602#endif
 603
 604/*
 605 * Frame buffer operations
 606 *
 607 * LOCKING NOTE: those functions must _ALL_ be called with the console
 608 * semaphore held, this is the only suitable locking mechanism we have
 609 * in 2.6. Some may be called at interrupt time at this point though.
 610 */
 611
 612struct fb_ops {
 613        /* open/release and usage marking */
 614        struct module *owner;
 615        int (*fb_open)(struct fb_info *info, int user);
 616        int (*fb_release)(struct fb_info *info, int user);
 617
 618        /* For framebuffers with strange non linear layouts or that do not
 619         * work with normal memory mapped access
 620         */
 621        ssize_t (*fb_read)(struct fb_info *info, char __user *buf,
 622                           size_t count, loff_t *ppos);
 623        ssize_t (*fb_write)(struct fb_info *info, const char __user *buf,
 624                            size_t count, loff_t *ppos);
 625
 626        /* checks var and eventually tweaks it to something supported,
 627         * DO NOT MODIFY PAR */
 628        int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info);
 629
 630        /* set the video mode according to info->var */
 631        int (*fb_set_par)(struct fb_info *info);
 632
 633        /* set color register */
 634        int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green,
 635                            unsigned blue, unsigned transp, struct fb_info *info);
 636
 637        /* set color registers in batch */
 638        int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info);
 639
 640        /* blank display */
 641        int (*fb_blank)(int blank, struct fb_info *info);
 642
 643        /* pan display */
 644        int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info);
 645
 646        /* Draws a rectangle */
 647        void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect);
 648        /* Copy data from area to another */
 649        void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region);
 650        /* Draws a image to the display */
 651        void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image);
 652
 653        /* Draws cursor */
 654        int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor);
 655
 656        /* Rotates the display */
 657        void (*fb_rotate)(struct fb_info *info, int angle);
 658
 659        /* wait for blit idle, optional */
 660        int (*fb_sync)(struct fb_info *info);
 661
 662        /* perform fb specific ioctl (optional) */
 663        int (*fb_ioctl)(struct fb_info *info, unsigned int cmd,
 664                        unsigned long arg);
 665
 666        /* Handle 32bit compat ioctl (optional) */
 667        int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd,
 668                        unsigned long arg);
 669
 670        /* perform fb specific mmap */
 671        int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma);
 672
 673        /* get capability given var */
 674        void (*fb_get_caps)(struct fb_info *info, struct fb_blit_caps *caps,
 675                            struct fb_var_screeninfo *var);
 676
 677        /* teardown any resources to do with this framebuffer */
 678        void (*fb_destroy)(struct fb_info *info);
 679};
 680
 681#ifdef CONFIG_FB_TILEBLITTING
 682#define FB_TILE_CURSOR_NONE        0
 683#define FB_TILE_CURSOR_UNDERLINE   1
 684#define FB_TILE_CURSOR_LOWER_THIRD 2
 685#define FB_TILE_CURSOR_LOWER_HALF  3
 686#define FB_TILE_CURSOR_TWO_THIRDS  4
 687#define FB_TILE_CURSOR_BLOCK       5
 688
 689struct fb_tilemap {
 690        __u32 width;                /* width of each tile in pixels */
 691        __u32 height;               /* height of each tile in scanlines */
 692        __u32 depth;                /* color depth of each tile */
 693        __u32 length;               /* number of tiles in the map */
 694        const __u8 *data;           /* actual tile map: a bitmap array, packed
 695                                       to the nearest byte */
 696};
 697
 698struct fb_tilerect {
 699        __u32 sx;                   /* origin in the x-axis */
 700        __u32 sy;                   /* origin in the y-axis */
 701        __u32 width;                /* number of tiles in the x-axis */
 702        __u32 height;               /* number of tiles in the y-axis */
 703        __u32 index;                /* what tile to use: index to tile map */
 704        __u32 fg;                   /* foreground color */
 705        __u32 bg;                   /* background color */
 706        __u32 rop;                  /* raster operation */
 707};
 708
 709struct fb_tilearea {
 710        __u32 sx;                   /* source origin in the x-axis */
 711        __u32 sy;                   /* source origin in the y-axis */
 712        __u32 dx;                   /* destination origin in the x-axis */
 713        __u32 dy;                   /* destination origin in the y-axis */
 714        __u32 width;                /* number of tiles in the x-axis */
 715        __u32 height;               /* number of tiles in the y-axis */
 716};
 717
 718struct fb_tileblit {
 719        __u32 sx;                   /* origin in the x-axis */
 720        __u32 sy;                   /* origin in the y-axis */
 721        __u32 width;                /* number of tiles in the x-axis */
 722        __u32 height;               /* number of tiles in the y-axis */
 723        __u32 fg;                   /* foreground color */
 724        __u32 bg;                   /* background color */
 725        __u32 length;               /* number of tiles to draw */
 726        __u32 *indices;             /* array of indices to tile map */
 727};
 728
 729struct fb_tilecursor {
 730        __u32 sx;                   /* cursor position in the x-axis */
 731        __u32 sy;                   /* cursor position in the y-axis */
 732        __u32 mode;                 /* 0 = erase, 1 = draw */
 733        __u32 shape;                /* see FB_TILE_CURSOR_* */
 734        __u32 fg;                   /* foreground color */
 735        __u32 bg;                   /* background color */
 736};
 737
 738struct fb_tile_ops {
 739        /* set tile characteristics */
 740        void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map);
 741
 742        /* all dimensions from hereon are in terms of tiles */
 743
 744        /* move a rectangular region of tiles from one area to another*/
 745        void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area);
 746        /* fill a rectangular region with a tile */
 747        void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect);
 748        /* copy an array of tiles */
 749        void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit);
 750        /* cursor */
 751        void (*fb_tilecursor)(struct fb_info *info,
 752                              struct fb_tilecursor *cursor);
 753        /* get maximum length of the tile map */
 754        int (*fb_get_tilemax)(struct fb_info *info);
 755};
 756#endif /* CONFIG_FB_TILEBLITTING */
 757
 758/* FBINFO_* = fb_info.flags bit flags */
 759#define FBINFO_MODULE           0x0001  /* Low-level driver is a module */
 760#define FBINFO_HWACCEL_DISABLED 0x0002
 761        /* When FBINFO_HWACCEL_DISABLED is set:
 762         *  Hardware acceleration is turned off.  Software implementations
 763         *  of required functions (copyarea(), fillrect(), and imageblit())
 764         *  takes over; acceleration engine should be in a quiescent state */
 765
 766/* hints */
 767#define FBINFO_VIRTFB           0x0004 /* FB is System RAM, not device. */
 768#define FBINFO_PARTIAL_PAN_OK   0x0040 /* otw use pan only for double-buffering */
 769#define FBINFO_READS_FAST       0x0080 /* soft-copy faster than rendering */
 770
 771/* hardware supported ops */
 772/*  semantics: when a bit is set, it indicates that the operation is
 773 *   accelerated by hardware.
 774 *  required functions will still work even if the bit is not set.
 775 *  optional functions may not even exist if the flag bit is not set.
 776 */
 777#define FBINFO_HWACCEL_NONE             0x0000
 778#define FBINFO_HWACCEL_COPYAREA         0x0100 /* required */
 779#define FBINFO_HWACCEL_FILLRECT         0x0200 /* required */
 780#define FBINFO_HWACCEL_IMAGEBLIT        0x0400 /* required */
 781#define FBINFO_HWACCEL_ROTATE           0x0800 /* optional */
 782#define FBINFO_HWACCEL_XPAN             0x1000 /* optional */
 783#define FBINFO_HWACCEL_YPAN             0x2000 /* optional */
 784#define FBINFO_HWACCEL_YWRAP            0x4000 /* optional */
 785
 786#define FBINFO_MISC_USEREVENT          0x10000 /* event request
 787                                                  from userspace */
 788#define FBINFO_MISC_TILEBLITTING       0x20000 /* use tile blitting */
 789
 790/* A driver may set this flag to indicate that it does want a set_par to be
 791 * called every time when fbcon_switch is executed. The advantage is that with
 792 * this flag set you can really be sure that set_par is always called before
 793 * any of the functions dependant on the correct hardware state or altering
 794 * that state, even if you are using some broken X releases. The disadvantage
 795 * is that it introduces unwanted delays to every console switch if set_par
 796 * is slow. It is a good idea to try this flag in the drivers initialization
 797 * code whenever there is a bug report related to switching between X and the
 798 * framebuffer console.
 799 */
 800#define FBINFO_MISC_ALWAYS_SETPAR   0x40000
 801
 802/* where the fb is a firmware driver, and can be replaced with a proper one */
 803#define FBINFO_MISC_FIRMWARE        0x80000
 804/*
 805 * Host and GPU endianness differ.
 806 */
 807#define FBINFO_FOREIGN_ENDIAN   0x100000
 808/*
 809 * Big endian math. This is the same flags as above, but with different
 810 * meaning, it is set by the fb subsystem depending FOREIGN_ENDIAN flag
 811 * and host endianness. Drivers should not use this flag.
 812 */
 813#define FBINFO_BE_MATH  0x100000
 814
 815struct fb_info {
 816        int node;
 817        int flags;
 818        struct mutex lock;              /* Lock for open/release/ioctl funcs */
 819        struct mutex mm_lock;           /* Lock for fb_mmap and smem_* fields */
 820        struct fb_var_screeninfo var;   /* Current var */
 821        struct fb_fix_screeninfo fix;   /* Current fix */
 822        struct fb_monspecs monspecs;    /* Current Monitor specs */
 823        struct work_struct queue;       /* Framebuffer event queue */
 824        struct fb_pixmap pixmap;        /* Image hardware mapper */
 825        struct fb_pixmap sprite;        /* Cursor hardware mapper */
 826        struct fb_cmap cmap;            /* Current cmap */
 827        struct list_head modelist;      /* mode list */
 828        struct fb_videomode *mode;      /* current mode */
 829
 830#ifdef CONFIG_FB_BACKLIGHT
 831        /* assigned backlight device */
 832        /* set before framebuffer registration, 
 833           remove after unregister */
 834        struct backlight_device *bl_dev;
 835
 836        /* Backlight level curve */
 837        struct mutex bl_curve_mutex;    
 838        u8 bl_curve[FB_BACKLIGHT_LEVELS];
 839#endif
 840#ifdef CONFIG_FB_DEFERRED_IO
 841        struct delayed_work deferred_work;
 842        struct fb_deferred_io *fbdefio;
 843#endif
 844
 845        struct fb_ops *fbops;
 846        struct device *device;          /* This is the parent */
 847        struct device *dev;             /* This is this fb device */
 848        int class_flag;                    /* private sysfs flags */
 849#ifdef CONFIG_FB_TILEBLITTING
 850        struct fb_tile_ops *tileops;    /* Tile Blitting */
 851#endif
 852        char __iomem *screen_base;      /* Virtual address */
 853        unsigned long screen_size;      /* Amount of ioremapped VRAM or 0 */ 
 854        void *pseudo_palette;           /* Fake palette of 16 colors */ 
 855#define FBINFO_STATE_RUNNING    0
 856#define FBINFO_STATE_SUSPENDED  1
 857        u32 state;                      /* Hardware state i.e suspend */
 858        void *fbcon_par;                /* fbcon use-only private area */
 859        /* From here on everything is device dependent */
 860        void *par;
 861        /* we need the PCI or similiar aperture base/size not
 862           smem_start/size as smem_start may just be an object
 863           allocated inside the aperture so may not actually overlap */
 864        struct apertures_struct {
 865                unsigned int count;
 866                struct aperture {
 867                        resource_size_t base;
 868                        resource_size_t size;
 869                } ranges[0];
 870        } *apertures;
 871};
 872
 873static inline struct apertures_struct *alloc_apertures(unsigned int max_num) {
 874        struct apertures_struct *a = kzalloc(sizeof(struct apertures_struct)
 875                        + max_num * sizeof(struct aperture), GFP_KERNEL);
 876        if (!a)
 877                return NULL;
 878        a->count = max_num;
 879        return a;
 880}
 881
 882#ifdef MODULE
 883#define FBINFO_DEFAULT  FBINFO_MODULE
 884#else
 885#define FBINFO_DEFAULT  0
 886#endif
 887
 888// This will go away
 889#define FBINFO_FLAG_MODULE      FBINFO_MODULE
 890#define FBINFO_FLAG_DEFAULT     FBINFO_DEFAULT
 891
 892/* This will go away
 893 * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags
 894 * when it wants to turn the acceleration engine on.  This is
 895 * really a separate operation, and should be modified via sysfs.
 896 *  But for now, we leave it broken with the following define
 897 */
 898#define STUPID_ACCELF_TEXT_SHIT
 899
 900// This will go away
 901#if defined(__sparc__)
 902
 903/* We map all of our framebuffers such that big-endian accesses
 904 * are what we want, so the following is sufficient.
 905 */
 906
 907// This will go away
 908#define fb_readb sbus_readb
 909#define fb_readw sbus_readw
 910#define fb_readl sbus_readl
 911#define fb_readq sbus_readq
 912#define fb_writeb sbus_writeb
 913#define fb_writew sbus_writew
 914#define fb_writel sbus_writel
 915#define fb_writeq sbus_writeq
 916#define fb_memset sbus_memset_io
 917
 918#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || defined(__avr32__) || defined(__bfin__)
 919
 920#define fb_readb __raw_readb
 921#define fb_readw __raw_readw
 922#define fb_readl __raw_readl
 923#define fb_readq __raw_readq
 924#define fb_writeb __raw_writeb
 925#define fb_writew __raw_writew
 926#define fb_writel __raw_writel
 927#define fb_writeq __raw_writeq
 928#define fb_memset memset_io
 929
 930#else
 931
 932#define fb_readb(addr) (*(volatile u8 *) (addr))
 933#define fb_readw(addr) (*(volatile u16 *) (addr))
 934#define fb_readl(addr) (*(volatile u32 *) (addr))
 935#define fb_readq(addr) (*(volatile u64 *) (addr))
 936#define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b))
 937#define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b))
 938#define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b))
 939#define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b))
 940#define fb_memset memset
 941
 942#endif
 943
 944#define FB_LEFT_POS(p, bpp)          (fb_be_math(p) ? (32 - (bpp)) : 0)
 945#define FB_SHIFT_HIGH(p, val, bits)  (fb_be_math(p) ? (val) >> (bits) : \
 946                                                      (val) << (bits))
 947#define FB_SHIFT_LOW(p, val, bits)   (fb_be_math(p) ? (val) << (bits) : \
 948                                                      (val) >> (bits))
 949
 950    /*
 951     *  `Generic' versions of the frame buffer device operations
 952     */
 953
 954extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var); 
 955extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var); 
 956extern int fb_blank(struct fb_info *info, int blank);
 957extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect); 
 958extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area); 
 959extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image);
 960/*
 961 * Drawing operations where framebuffer is in system RAM
 962 */
 963extern void sys_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
 964extern void sys_copyarea(struct fb_info *info, const struct fb_copyarea *area);
 965extern void sys_imageblit(struct fb_info *info, const struct fb_image *image);
 966extern ssize_t fb_sys_read(struct fb_info *info, char __user *buf,
 967                           size_t count, loff_t *ppos);
 968extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf,
 969                            size_t count, loff_t *ppos);
 970
 971/* drivers/video/fbmem.c */
 972extern int register_framebuffer(struct fb_info *fb_info);
 973extern int unregister_framebuffer(struct fb_info *fb_info);
 974extern void remove_conflicting_framebuffers(struct apertures_struct *a,
 975                                const char *name, bool primary);
 976extern int fb_prepare_logo(struct fb_info *fb_info, int rotate);
 977extern int fb_show_logo(struct fb_info *fb_info, int rotate);
 978extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size);
 979extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx,
 980                                u32 height, u32 shift_high, u32 shift_low, u32 mod);
 981extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height);
 982extern void fb_set_suspend(struct fb_info *info, int state);
 983extern int fb_get_color_depth(struct fb_var_screeninfo *var,
 984                              struct fb_fix_screeninfo *fix);
 985extern int fb_get_options(char *name, char **option);
 986extern int fb_new_modelist(struct fb_info *info);
 987
 988extern struct fb_info *registered_fb[FB_MAX];
 989extern int num_registered_fb;
 990extern struct class *fb_class;
 991
 992extern int lock_fb_info(struct fb_info *info);
 993
 994static inline void unlock_fb_info(struct fb_info *info)
 995{
 996        mutex_unlock(&info->lock);
 997}
 998
 999static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch,
1000                                           u8 *src, u32 s_pitch, u32 height)

1001{
1002        int i, j;
1003
1004        d_pitch -= s_pitch;
1005
1006        for (i = height; i--; ) {
1007                /* s_pitch is a few bytes at the most, memcpy is suboptimal */
1008                for (j = 0; j < s_pitch; j++)
1009                        *dst++ = *src++;
1010                dst += d_pitch;
1011        }
1012}
1013
1014/* drivers/video/fb_defio.c */
1015extern void fb_deferred_io_init(struct fb_info *info);
1016extern void fb_deferred_io_open(struct fb_info *info,
1017                                struct inode *inode,
1018                                struct file *file);
1019extern void fb_deferred_io_cleanup(struct fb_info *info);
1020extern int fb_deferred_io_fsync(struct file *file, int datasync);
1021
1022static inline bool fb_be_math(struct fb_info *info)
1023{
1024#ifdef CONFIG_FB_FOREIGN_ENDIAN
1025#if defined(CONFIG_FB_BOTH_ENDIAN)
1026        return info->flags & FBINFO_BE_MATH;
1027#elif defined(CONFIG_FB_BIG_ENDIAN)
1028        return true;
1029#elif defined(CONFIG_FB_LITTLE_ENDIAN)
1030        return false;
1031#endif /* CONFIG_FB_BOTH_ENDIAN */
1032#else
1033#ifdef __BIG_ENDIAN
1034        return true;
1035#else
1036        return false;
1037#endif /* __BIG_ENDIAN */
1038#endif /* CONFIG_FB_FOREIGN_ENDIAN */
1039}
1040
1041/* drivers/video/fbsysfs.c */
1042extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev);
1043extern void framebuffer_release(struct fb_info *info);
1044extern int fb_init_device(struct fb_info *fb_info);
1045extern void fb_cleanup_device(struct fb_info *head);
1046extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max);
1047
1048/* drivers/video/fbmon.c */
1049#define FB_MAXTIMINGS           0
1050#define FB_VSYNCTIMINGS         1
1051#define FB_HSYNCTIMINGS         2
1052#define FB_DCLKTIMINGS          3
1053#define FB_IGNOREMON            0x100
1054
1055#define FB_MODE_IS_UNKNOWN      0
1056#define FB_MODE_IS_DETAILED     1
1057#define FB_MODE_IS_STANDARD     2
1058#define FB_MODE_IS_VESA         4
1059#define FB_MODE_IS_CALCULATED   8
1060#define FB_MODE_IS_FIRST        16
1061#define FB_MODE_IS_FROM_VAR     32
1062
1063extern int fbmon_dpms(const struct fb_info *fb_info);
1064extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var,
1065                       struct fb_info *info);
1066extern int fb_validate_mode(const struct fb_var_screeninfo *var,
1067                            struct fb_info *info);
1068extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var);
1069extern const unsigned char *fb_firmware_edid(struct device *device);
1070extern void fb_edid_to_monspecs(unsigned char *edid,
1071                                struct fb_monspecs *specs);
1072extern void fb_destroy_modedb(struct fb_videomode *modedb);
1073extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb);
1074extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter);
1075
1076/* drivers/video/modedb.c */
1077#define VESA_MODEDB_SIZE 34
1078extern void fb_var_to_videomode(struct fb_videomode *mode,
1079                                const struct fb_var_screeninfo *var);
1080extern void fb_videomode_to_var(struct fb_var_screeninfo *var,
1081                                const struct fb_videomode *mode);
1082extern int fb_mode_is_equal(const struct fb_videomode *mode1,
1083                            const struct fb_videomode *mode2);
1084extern int fb_add_videomode(const struct fb_videomode *mode,
1085                            struct list_head *head);
1086extern void fb_delete_videomode(const struct fb_videomode *mode,
1087                                struct list_head *head);
1088extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var,
1089                                                struct list_head *head);
1090extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var,
1091                                                    struct list_head *head);
1092extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode,
1093                                                       struct list_head *head);
1094extern void fb_destroy_modelist(struct list_head *head);
1095extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num,
1096                                     struct list_head *head);
1097extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs,
1098                                                       struct list_head *head);
1099
1100/* drivers/video/fbcmap.c */
1101extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
1102extern void fb_dealloc_cmap(struct fb_cmap *cmap);
1103extern int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to);
1104extern int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to);
1105extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info);
1106extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info);
1107extern const struct fb_cmap *fb_default_cmap(int len);
1108extern void fb_invert_cmaps(void);
1109
1110struct fb_videomode {
1111        const char *name;       /* optional */
1112        u32 refresh;            /* optional */
1113        u32 xres;
1114        u32 yres;
1115        u32 pixclock;
1116        u32 left_margin;
1117        u32 right_margin;
1118        u32 upper_margin;
1119        u32 lower_margin;
1120        u32 hsync_len;
1121        u32 vsync_len;
1122        u32 sync;
1123        u32 vmode;
1124        u32 flag;
1125};
1126
1127extern const char *fb_mode_option;
1128extern const struct fb_videomode vesa_modes[];
1129
1130struct fb_modelist {
1131        struct list_head list;
1132        struct fb_videomode mode;
1133};
1134
1135extern int fb_find_mode(struct fb_var_screeninfo *var,
1136                        struct fb_info *info, const char *mode_option,
1137                        const struct fb_videomode *db,
1138                        unsigned int dbsize,
1139                        const struct fb_videomode *default_mode,
1140                        unsigned int default_bpp);
1141
1142#endif /* __KERNEL__ */
1143
1144#endif /* _LINUX_FB_H */
1145