LCOV - code coverage report
Current view: top level - lkbce/include/linux - fb.h (source / functions) Hit Total Coverage
Test: coverage.info Lines: 27 39 69.2 %
Date: 2017-01-25 Functions: 1 3 33.3 %

          Line data    Source code
       1             : #ifndef _LINUX_FB_H
       2             : #define _LINUX_FB_H
       3             : 
       4             : #include <linux/types.h>
       5             : #include <linux/i2c.h>
       6             : 
       7             : struct dentry;
       8             : 
       9             : /* Definitions of frame buffers                                         */
      10             : 
      11             : #define FB_MAX                  32      /* sufficient for now */
      12             : 
      13             : /* ioctls
      14             :    0x46 is 'F'                                                          */
      15             : #define FBIOGET_VSCREENINFO     0x4600
      16             : #define FBIOPUT_VSCREENINFO     0x4601
      17             : #define FBIOGET_FSCREENINFO     0x4602
      18             : #define FBIOGETCMAP             0x4604
      19             : #define FBIOPUTCMAP             0x4605
      20             : #define FBIOPAN_DISPLAY         0x4606
      21             : #ifdef __KERNEL__
      22             : #define FBIO_CURSOR            _IOWR('F', 0x08, struct fb_cursor_user)
      23             : #else
      24             : #define FBIO_CURSOR            _IOWR('F', 0x08, struct fb_cursor)
      25             : #endif
      26             : /* 0x4607-0x460B are defined below */
      27             : /* #define FBIOGET_MONITORSPEC  0x460C */
      28             : /* #define FBIOPUT_MONITORSPEC  0x460D */
      29             : /* #define FBIOSWITCH_MONIBIT   0x460E */
      30             : #define FBIOGET_CON2FBMAP       0x460F
      31             : #define FBIOPUT_CON2FBMAP       0x4610
      32             : #define FBIOBLANK               0x4611          /* arg: 0 or vesa level + 1 */
      33             : #define FBIOGET_VBLANK          _IOR('F', 0x12, struct fb_vblank)
      34             : #define FBIO_ALLOC              0x4613
      35             : #define FBIO_FREE               0x4614
      36             : #define FBIOGET_GLYPH           0x4615
      37             : #define FBIOGET_HWCINFO         0x4616
      38             : #define FBIOPUT_MODEINFO        0x4617
      39             : #define FBIOGET_DISPINFO        0x4618
      40             : 
      41             : 
      42             : #define FB_TYPE_PACKED_PIXELS           0       /* Packed Pixels        */
      43             : #define FB_TYPE_PLANES                  1       /* Non interleaved planes */
      44             : #define FB_TYPE_INTERLEAVED_PLANES      2       /* Interleaved planes   */
      45             : #define FB_TYPE_TEXT                    3       /* Text/attributes      */
      46             : #define FB_TYPE_VGA_PLANES              4       /* EGA/VGA planes       */
      47             : 
      48             : #define FB_AUX_TEXT_MDA         0       /* Monochrome text */
      49             : #define FB_AUX_TEXT_CGA         1       /* CGA/EGA/VGA Color text */
      50             : #define FB_AUX_TEXT_S3_MMIO     2       /* S3 MMIO fasttext */
      51             : #define FB_AUX_TEXT_MGA_STEP16  3       /* MGA Millenium I: text, attr, 14 reserved bytes */
      52             : #define FB_AUX_TEXT_MGA_STEP8   4       /* other MGAs:      text, attr,  6 reserved bytes */
      53             : #define FB_AUX_TEXT_SVGA_GROUP  8       /* 8-15: SVGA tileblit compatible modes */
      54             : #define FB_AUX_TEXT_SVGA_MASK   7       /* lower three bits says step */
      55             : #define FB_AUX_TEXT_SVGA_STEP2  8       /* SVGA text mode:  text, attr */
      56             : #define FB_AUX_TEXT_SVGA_STEP4  9       /* SVGA text mode:  text, attr,  2 reserved bytes */
      57             : #define FB_AUX_TEXT_SVGA_STEP8  10      /* SVGA text mode:  text, attr,  6 reserved bytes */
      58             : #define FB_AUX_TEXT_SVGA_STEP16 11      /* SVGA text mode:  text, attr, 14 reserved bytes */
      59             : #define FB_AUX_TEXT_SVGA_LAST   15      /* reserved up to 15 */
      60             : 
      61             : #define FB_AUX_VGA_PLANES_VGA4          0       /* 16 color planes (EGA/VGA) */
      62             : #define FB_AUX_VGA_PLANES_CFB4          1       /* CFB4 in planes (VGA) */
      63             : #define FB_AUX_VGA_PLANES_CFB8          2       /* CFB8 in planes (VGA) */
      64             : 
      65             : #define FB_VISUAL_MONO01                0       /* Monochr. 1=Black 0=White */
      66             : #define FB_VISUAL_MONO10                1       /* Monochr. 1=White 0=Black */
      67             : #define FB_VISUAL_TRUECOLOR             2       /* True color   */
      68             : #define FB_VISUAL_PSEUDOCOLOR           3       /* Pseudo color (like atari) */
      69             : #define FB_VISUAL_DIRECTCOLOR           4       /* Direct color */
      70             : #define FB_VISUAL_STATIC_PSEUDOCOLOR    5       /* Pseudo color readonly */
      71             : 
      72             : #define FB_ACCEL_NONE           0       /* no hardware accelerator      */
      73             : #define FB_ACCEL_ATARIBLITT     1       /* Atari Blitter                */
      74             : #define FB_ACCEL_AMIGABLITT     2       /* Amiga Blitter                */
      75             : #define FB_ACCEL_S3_TRIO64      3       /* Cybervision64 (S3 Trio64)    */
      76             : #define FB_ACCEL_NCR_77C32BLT   4       /* RetinaZ3 (NCR 77C32BLT)      */
      77             : #define FB_ACCEL_S3_VIRGE       5       /* Cybervision64/3D (S3 ViRGE)  */
      78             : #define FB_ACCEL_ATI_MACH64GX   6       /* ATI Mach 64GX family         */
      79             : #define FB_ACCEL_DEC_TGA        7       /* DEC 21030 TGA                */
      80             : #define FB_ACCEL_ATI_MACH64CT   8       /* ATI Mach 64CT family         */
      81             : #define FB_ACCEL_ATI_MACH64VT   9       /* ATI Mach 64CT family VT class */
      82             : #define FB_ACCEL_ATI_MACH64GT   10      /* ATI Mach 64CT family GT class */
      83             : #define FB_ACCEL_SUN_CREATOR    11      /* Sun Creator/Creator3D        */
      84             : #define FB_ACCEL_SUN_CGSIX      12      /* Sun cg6                      */
      85             : #define FB_ACCEL_SUN_LEO        13      /* Sun leo/zx                   */
      86             : #define FB_ACCEL_IMS_TWINTURBO  14      /* IMS Twin Turbo               */
      87             : #define FB_ACCEL_3DLABS_PERMEDIA2 15    /* 3Dlabs Permedia 2            */
      88             : #define FB_ACCEL_MATROX_MGA2064W 16     /* Matrox MGA2064W (Millenium)  */
      89             : #define FB_ACCEL_MATROX_MGA1064SG 17    /* Matrox MGA1064SG (Mystique)  */
      90             : #define FB_ACCEL_MATROX_MGA2164W 18     /* Matrox MGA2164W (Millenium II) */
      91             : #define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */
      92             : #define FB_ACCEL_MATROX_MGAG100 20      /* Matrox G100 (Productiva G100) */
      93             : #define FB_ACCEL_MATROX_MGAG200 21      /* Matrox G200 (Myst, Mill, ...) */
      94             : #define FB_ACCEL_SUN_CG14       22      /* Sun cgfourteen                */
      95             : #define FB_ACCEL_SUN_BWTWO      23      /* Sun bwtwo                    */
      96             : #define FB_ACCEL_SUN_CGTHREE    24      /* Sun cgthree                  */
      97             : #define FB_ACCEL_SUN_TCX        25      /* Sun tcx                      */
      98             : #define FB_ACCEL_MATROX_MGAG400 26      /* Matrox G400                  */
      99             : #define FB_ACCEL_NV3            27      /* nVidia RIVA 128              */
     100             : #define FB_ACCEL_NV4            28      /* nVidia RIVA TNT              */
     101             : #define FB_ACCEL_NV5            29      /* nVidia RIVA TNT2             */
     102             : #define FB_ACCEL_CT_6555x       30      /* C&T 6555x                        */
     103             : #define FB_ACCEL_3DFX_BANSHEE   31      /* 3Dfx Banshee                 */
     104             : #define FB_ACCEL_ATI_RAGE128    32      /* ATI Rage128 family           */
     105             : #define FB_ACCEL_IGS_CYBER2000  33      /* CyberPro 2000                */
     106             : #define FB_ACCEL_IGS_CYBER2010  34      /* CyberPro 2010                */
     107             : #define FB_ACCEL_IGS_CYBER5000  35      /* CyberPro 5000                */
     108             : #define FB_ACCEL_SIS_GLAMOUR    36      /* SiS 300/630/540              */
     109             : #define FB_ACCEL_3DLABS_PERMEDIA3 37    /* 3Dlabs Permedia 3            */
     110             : #define FB_ACCEL_ATI_RADEON     38      /* ATI Radeon family            */
     111             : #define FB_ACCEL_I810           39      /* Intel 810/815                */
     112             : #define FB_ACCEL_SIS_GLAMOUR_2  40      /* SiS 315, 650, 740            */
     113             : #define FB_ACCEL_SIS_XABRE      41      /* SiS 330 ("Xabre")          */
     114             : #define FB_ACCEL_I830           42      /* Intel 830M/845G/85x/865G     */
     115             : #define FB_ACCEL_NV_10          43      /* nVidia Arch 10               */
     116             : #define FB_ACCEL_NV_20          44      /* nVidia Arch 20               */
     117             : #define FB_ACCEL_NV_30          45      /* nVidia Arch 30               */
     118             : #define FB_ACCEL_NV_40          46      /* nVidia Arch 40               */
     119             : #define FB_ACCEL_XGI_VOLARI_V   47      /* XGI Volari V3XT, V5, V8      */
     120             : #define FB_ACCEL_XGI_VOLARI_Z   48      /* XGI Volari Z7                */
     121             : #define FB_ACCEL_OMAP1610       49      /* TI OMAP16xx                  */
     122             : #define FB_ACCEL_TRIDENT_TGUI   50      /* Trident TGUI                 */
     123             : #define FB_ACCEL_TRIDENT_3DIMAGE 51     /* Trident 3DImage              */
     124             : #define FB_ACCEL_TRIDENT_BLADE3D 52     /* Trident Blade3D              */
     125             : #define FB_ACCEL_TRIDENT_BLADEXP 53     /* Trident BladeXP              */
     126             : #define FB_ACCEL_CIRRUS_ALPINE   53     /* Cirrus Logic 543x/544x/5480  */
     127             : #define FB_ACCEL_NEOMAGIC_NM2070 90     /* NeoMagic NM2070              */
     128             : #define FB_ACCEL_NEOMAGIC_NM2090 91     /* NeoMagic NM2090              */
     129             : #define FB_ACCEL_NEOMAGIC_NM2093 92     /* NeoMagic NM2093              */
     130             : #define FB_ACCEL_NEOMAGIC_NM2097 93     /* NeoMagic NM2097              */
     131             : #define FB_ACCEL_NEOMAGIC_NM2160 94     /* NeoMagic NM2160              */
     132             : #define FB_ACCEL_NEOMAGIC_NM2200 95     /* NeoMagic NM2200              */
     133             : #define FB_ACCEL_NEOMAGIC_NM2230 96     /* NeoMagic NM2230              */
     134             : #define FB_ACCEL_NEOMAGIC_NM2360 97     /* NeoMagic NM2360              */
     135             : #define FB_ACCEL_NEOMAGIC_NM2380 98     /* NeoMagic NM2380              */
     136             : #define FB_ACCEL_PXA3XX          99     /* PXA3xx                       */
     137             : 
     138             : #define FB_ACCEL_SAVAGE4        0x80    /* S3 Savage4                   */
     139             : #define FB_ACCEL_SAVAGE3D       0x81    /* S3 Savage3D                  */
     140             : #define FB_ACCEL_SAVAGE3D_MV    0x82    /* S3 Savage3D-MV               */
     141             : #define FB_ACCEL_SAVAGE2000     0x83    /* S3 Savage2000                */
     142             : #define FB_ACCEL_SAVAGE_MX_MV   0x84    /* S3 Savage/MX-MV              */
     143             : #define FB_ACCEL_SAVAGE_MX      0x85    /* S3 Savage/MX                 */
     144             : #define FB_ACCEL_SAVAGE_IX_MV   0x86    /* S3 Savage/IX-MV              */
     145             : #define FB_ACCEL_SAVAGE_IX      0x87    /* S3 Savage/IX                 */
     146             : #define FB_ACCEL_PROSAVAGE_PM   0x88    /* S3 ProSavage PM133           */
     147             : #define FB_ACCEL_PROSAVAGE_KM   0x89    /* S3 ProSavage KM133           */
     148             : #define FB_ACCEL_S3TWISTER_P    0x8a    /* S3 Twister                   */
     149             : #define FB_ACCEL_S3TWISTER_K    0x8b    /* S3 TwisterK                  */
     150             : #define FB_ACCEL_SUPERSAVAGE    0x8c    /* S3 Supersavage               */
     151             : #define FB_ACCEL_PROSAVAGE_DDR  0x8d    /* S3 ProSavage DDR             */
     152             : #define FB_ACCEL_PROSAVAGE_DDRK 0x8e    /* S3 ProSavage DDR-K           */
     153             : 
     154             : struct fb_fix_screeninfo {
     155             :         char id[16];                    /* identification string eg "TT Builtin" */
     156             :         unsigned long smem_start;       /* Start of frame buffer mem */
     157             :                                         /* (physical address) */
     158             :         __u32 smem_len;                 /* Length of frame buffer mem */
     159             :         __u32 type;                     /* see FB_TYPE_*                */
     160             :         __u32 type_aux;                 /* Interleave for interleaved Planes */
     161             :         __u32 visual;                   /* see FB_VISUAL_*              */ 
     162             :         __u16 xpanstep;                 /* zero if no hardware panning  */
     163             :         __u16 ypanstep;                 /* zero if no hardware panning  */
     164             :         __u16 ywrapstep;                /* zero if no hardware ywrap    */
     165             :         __u32 line_length;              /* length of a line in bytes    */
     166             :         unsigned long mmio_start;       /* Start of Memory Mapped I/O   */
     167             :                                         /* (physical address) */
     168             :         __u32 mmio_len;                 /* Length of Memory Mapped I/O  */
     169             :         __u32 accel;                    /* Indicate to driver which     */
     170             :                                         /*  specific chip/card we have  */
     171             :         __u16 reserved[3];              /* Reserved for future compatibility */
     172             : };
     173           1 : 
     174             : /* Interpretation of offset for color fields: All offsets are from the right,
     175             :  * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
     176             :  * can use the offset as right argument to <<). A pixel afterwards is a bit
     177             :  * stream and is written to video memory as that unmodified.
     178             :  *
     179             :  * For pseudocolor: offset and length should be the same for all color
     180             :  * components. Offset specifies the position of the least significant bit
     181             :  * of the pallette index in a pixel value. Length indicates the number
     182             :  * of available palette entries (i.e. # of entries = 1 << length).
     183             :  */
     184             : struct fb_bitfield {
     185             :         __u32 offset;                   /* beginning of bitfield        */
     186             :         __u32 length;                   /* length of bitfield           */
     187             :         __u32 msb_right;                /* != 0 : Most significant bit is */ 
     188             :                                         /* right */ 
     189           1 : };
     190             : 
     191             : #define FB_NONSTD_HAM           1       /* Hold-And-Modify (HAM)        */
     192             : #define FB_NONSTD_REV_PIX_IN_B  2       /* order of pixels in each byte is reversed */
     193             : 
     194             : #define FB_ACTIVATE_NOW         0       /* set values immediately (or vbl)*/
     195             : #define FB_ACTIVATE_NXTOPEN     1       /* activate on next open        */
     196             : #define FB_ACTIVATE_TEST        2       /* don't set, round up impossible */
     197             : #define FB_ACTIVATE_MASK       15
     198             :                                         /* values                       */
     199             : #define FB_ACTIVATE_VBL        16       /* activate values on next vbl  */
     200             : #define FB_CHANGE_CMAP_VBL     32       /* change colormap on vbl       */
     201             : #define FB_ACTIVATE_ALL        64       /* change all VCs on this fb    */
     202             : #define FB_ACTIVATE_FORCE     128       /* force apply even when no change*/
     203             : #define FB_ACTIVATE_INV_MODE  256       /* invalidate videomode */
     204             : 
     205             : #define FB_ACCELF_TEXT          1       /* (OBSOLETE) see fb_info.flags and vc_mode */
     206             : 
     207             : #define FB_SYNC_HOR_HIGH_ACT    1       /* horizontal sync high active  */
     208             : #define FB_SYNC_VERT_HIGH_ACT   2       /* vertical sync high active    */
     209             : #define FB_SYNC_EXT             4       /* external sync                */
     210             : #define FB_SYNC_COMP_HIGH_ACT   8       /* composite sync high active   */
     211             : #define FB_SYNC_BROADCAST       16      /* broadcast video timings      */
     212             :                                         /* vtotal = 144d/288n/576i => PAL  */
     213             :                                         /* vtotal = 121d/242n/484i => NTSC */
     214             : #define FB_SYNC_ON_GREEN        32      /* sync on green */
     215             : 
     216             : #define FB_VMODE_NONINTERLACED  0       /* non interlaced */
     217             : #define FB_VMODE_INTERLACED     1       /* interlaced   */
     218             : #define FB_VMODE_DOUBLE         2       /* double scan */
     219             : #define FB_VMODE_ODD_FLD_FIRST  4       /* interlaced: top line first */
     220             : #define FB_VMODE_MASK           255
     221             : 
     222             : #define FB_VMODE_YWRAP          256     /* ywrap instead of panning     */
     223             : #define FB_VMODE_SMOOTH_XPAN    512     /* smooth xpan possible (internally used) */
     224             : #define FB_VMODE_CONUPDATE      512     /* don't update x/yoffset       */
     225             : 
     226             : /*
     227             :  * Display rotation support
     228             :  */
     229             : #define FB_ROTATE_UR      0
     230             : #define FB_ROTATE_CW      1
     231             : #define FB_ROTATE_UD      2
     232             : #define FB_ROTATE_CCW     3
     233             : 
     234             : #define PICOS2KHZ(a) (1000000000UL/(a))
     235             : #define KHZ2PICOS(a) (1000000000UL/(a))
     236             : 
     237             : struct fb_var_screeninfo {
     238             :         __u32 xres;                     /* visible resolution           */
     239             :         __u32 yres;
     240             :         __u32 xres_virtual;             /* virtual resolution           */
     241             :         __u32 yres_virtual;
     242             :         __u32 xoffset;                  /* offset from virtual to visible */
     243             :         __u32 yoffset;                  /* resolution                   */
     244             : 
     245             :         __u32 bits_per_pixel;           /* guess what                   */
     246             :         __u32 grayscale;                /* != 0 Graylevels instead of colors */
     247             : 
     248             :         struct fb_bitfield red;         /* bitfield in fb mem if true color, */
     249             :         struct fb_bitfield green;       /* else only length is significant */
     250             :         struct fb_bitfield blue;
     251             :         struct fb_bitfield transp;      /* transparency                 */      
     252             : 
     253             :         __u32 nonstd;                   /* != 0 Non standard pixel format */
     254             : 
     255             :         __u32 activate;                 /* see FB_ACTIVATE_*            */
     256             : 
     257             :         __u32 height;                   /* height of picture in mm    */
     258             :         __u32 width;                    /* width of picture in mm     */
     259             : 
     260             :         __u32 accel_flags;              /* (OBSOLETE) see fb_info.flags */
     261             : 
     262             :         /* Timing: All values in pixclocks, except pixclock (of course) */
     263             :         __u32 pixclock;                 /* pixel clock in ps (pico seconds) */
     264             :         __u32 left_margin;              /* time from sync to picture    */
     265             :         __u32 right_margin;             /* time from picture to sync    */
     266             :         __u32 upper_margin;             /* time from sync to picture    */
     267             :         __u32 lower_margin;
     268             :         __u32 hsync_len;                /* length of horizontal sync    */
     269             :         __u32 vsync_len;                /* length of vertical sync      */
     270             :         __u32 sync;                     /* see FB_SYNC_*                */
     271             :         __u32 vmode;                    /* see FB_VMODE_*               */
     272             :         __u32 rotate;                   /* angle we rotate counter clockwise */
     273             :         __u32 reserved[5];              /* Reserved for future compatibility */
     274             : };
     275           1 : 
     276             : struct fb_cmap {
     277             :         __u32 start;                    /* First entry  */
     278             :         __u32 len;                      /* Number of entries */
     279             :         __u16 *red;                     /* Red values   */
     280             :         __u16 *green;
     281             :         __u16 *blue;
     282             :         __u16 *transp;                  /* transparency, can be NULL */
     283             : };
     284           1 : 
     285             : struct fb_con2fbmap {
     286             :         __u32 console;
     287             :         __u32 framebuffer;
     288             : };
     289             : 
     290             : /* VESA Blanking Levels */
     291             : #define VESA_NO_BLANKING        0
     292             : #define VESA_VSYNC_SUSPEND      1
     293             : #define VESA_HSYNC_SUSPEND      2
     294             : #define VESA_POWERDOWN          3
     295             : 
     296             : 
     297             : enum {
     298             :         /* screen: unblanked, hsync: on,  vsync: on */
     299             :         FB_BLANK_UNBLANK       = VESA_NO_BLANKING,
     300             : 
     301             :         /* screen: blanked,   hsync: on,  vsync: on */
     302             :         FB_BLANK_NORMAL        = VESA_NO_BLANKING + 1,
     303             : 
     304             :         /* screen: blanked,   hsync: on,  vsync: off */
     305             :         FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1,
     306             : 
     307             :         /* screen: blanked,   hsync: off, vsync: on */
     308             :         FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1,
     309             : 
     310             :         /* screen: blanked,   hsync: off, vsync: off */
     311             :         FB_BLANK_POWERDOWN     = VESA_POWERDOWN + 1
     312             : };
     313             : 
     314             : #define FB_VBLANK_VBLANKING     0x001   /* currently in a vertical blank */
     315             : #define FB_VBLANK_HBLANKING     0x002   /* currently in a horizontal blank */
     316             : #define FB_VBLANK_HAVE_VBLANK   0x004   /* vertical blanks can be detected */
     317             : #define FB_VBLANK_HAVE_HBLANK   0x008   /* horizontal blanks can be detected */
     318             : #define FB_VBLANK_HAVE_COUNT    0x010   /* global retrace counter is available */
     319             : #define FB_VBLANK_HAVE_VCOUNT   0x020   /* the vcount field is valid */
     320             : #define FB_VBLANK_HAVE_HCOUNT   0x040   /* the hcount field is valid */
     321             : #define FB_VBLANK_VSYNCING      0x080   /* currently in a vsync */
     322             : #define FB_VBLANK_HAVE_VSYNC    0x100   /* verical syncs can be detected */
     323             : 
     324             : struct fb_vblank {
     325             :         __u32 flags;                    /* FB_VBLANK flags */
     326             :         __u32 count;                    /* counter of retraces since boot */
     327             :         __u32 vcount;                   /* current scanline position */
     328             :         __u32 hcount;                   /* current scandot position */
     329             :         __u32 reserved[4];              /* reserved for future compatibility */
     330             : };
     331           1 : 
     332             : /* Internal HW accel */
     333             : #define ROP_COPY 0
     334             : #define ROP_XOR  1
     335             : 
     336             : struct fb_copyarea {
     337             :         __u32 dx;
     338             :         __u32 dy;
     339             :         __u32 width;
     340             :         __u32 height;
     341             :         __u32 sx;
     342             :         __u32 sy;
     343             : };
     344           1 : 
     345             : struct fb_fillrect {
     346             :         __u32 dx;       /* screen-relative */
     347             :         __u32 dy;
     348             :         __u32 width;
     349             :         __u32 height;
     350             :         __u32 color;
     351             :         __u32 rop;
     352             : };
     353           1 : 
     354             : struct fb_image {
     355             :         __u32 dx;               /* Where to place image */
     356             :         __u32 dy;
     357             :         __u32 width;            /* Size of image */
     358             :         __u32 height;
     359             :         __u32 fg_color;         /* Only used when a mono bitmap */
     360             :         __u32 bg_color;
     361             :         __u8  depth;            /* Depth of the image */
     362             :         const char *data;       /* Pointer to image data */
     363             :         struct fb_cmap cmap;    /* color map info */
     364             : };
     365           1 : 
     366             : /*
     367             :  * hardware cursor control
     368             :  */
     369             : 
     370             : #define FB_CUR_SETIMAGE 0x01
     371             : #define FB_CUR_SETPOS   0x02
     372             : #define FB_CUR_SETHOT   0x04
     373             : #define FB_CUR_SETCMAP  0x08
     374             : #define FB_CUR_SETSHAPE 0x10
     375             : #define FB_CUR_SETSIZE  0x20
     376             : #define FB_CUR_SETALL   0xFF
     377             : 
     378             : struct fbcurpos {
     379             :         __u16 x, y;
     380             : };
     381           1 : 
     382             : struct fb_cursor {
     383             :         __u16 set;              /* what to set */
     384             :         __u16 enable;           /* cursor on/off */
     385             :         __u16 rop;              /* bitop operation */
     386             :         const char *mask;       /* cursor mask bits */
     387             :         struct fbcurpos hot;    /* cursor hot spot */
     388             :         struct fb_image image;  /* Cursor image */
     389             : };
     390             : 
     391             : #ifdef CONFIG_FB_BACKLIGHT
     392             : /* Settings for the generic backlight code */
     393             : #define FB_BACKLIGHT_LEVELS     128
     394             : #define FB_BACKLIGHT_MAX        0xFF
     395             : #endif
     396           1 : 
     397             : #ifdef __KERNEL__
     398             : 
     399             : #include <linux/fs.h>
     400             : #include <linux/init.h>
     401             : #include <linux/device.h>
     402             : #include <linux/workqueue.h>
     403             : #include <linux/notifier.h>
     404             : #include <linux/list.h>
     405             : #include <linux/backlight.h>
     406             : #include <asm/io.h>
     407             : 
     408             : struct vm_area_struct;
     409             : struct fb_info;
     410             : struct device;
     411             : struct file;
     412             : 
     413             : /* Definitions below are used in the parsed monitor specs */
     414             : #define FB_DPMS_ACTIVE_OFF      1
     415             : #define FB_DPMS_SUSPEND         2
     416             : #define FB_DPMS_STANDBY         4
     417             : 
     418             : #define FB_DISP_DDI             1
     419             : #define FB_DISP_ANA_700_300     2
     420             : #define FB_DISP_ANA_714_286     4
     421             : #define FB_DISP_ANA_1000_400    8
     422             : #define FB_DISP_ANA_700_000     16
     423             : 
     424             : #define FB_DISP_MONO            32
     425             : #define FB_DISP_RGB             64
     426             : #define FB_DISP_MULTI           128
     427             : #define FB_DISP_UNKNOWN         256
     428             : 
     429             : #define FB_SIGNAL_NONE          0
     430             : #define FB_SIGNAL_BLANK_BLANK   1
     431             : #define FB_SIGNAL_SEPARATE      2
     432             : #define FB_SIGNAL_COMPOSITE     4
     433             : #define FB_SIGNAL_SYNC_ON_GREEN 8
     434             : #define FB_SIGNAL_SERRATION_ON  16
     435             : 
     436             : #define FB_MISC_PRIM_COLOR      1
     437             : #define FB_MISC_1ST_DETAIL      2       /* First Detailed Timing is preferred */
     438             : struct fb_chroma {
     439             :         __u32 redx;     /* in fraction of 1024 */
     440             :         __u32 greenx;
     441             :         __u32 bluex;
     442             :         __u32 whitex;
     443             :         __u32 redy;
     444             :         __u32 greeny;
     445             :         __u32 bluey;
     446             :         __u32 whitey;
     447             : };
     448           2 : 
     449             : struct fb_monspecs {
     450             :         struct fb_chroma chroma;
     451             :         struct fb_videomode *modedb;    /* mode database */
     452             :         __u8  manufacturer[4];          /* Manufacturer */
     453             :         __u8  monitor[14];              /* Monitor String */
     454             :         __u8  serial_no[14];            /* Serial Number */
     455             :         __u8  ascii[14];                /* ? */
     456             :         __u32 modedb_len;               /* mode database length */
     457             :         __u32 model;                    /* Monitor Model */
     458             :         __u32 serial;                   /* Serial Number - Integer */
     459             :         __u32 year;                     /* Year manufactured */
     460             :         __u32 week;                     /* Week Manufactured */
     461             :         __u32 hfmin;                    /* hfreq lower limit (Hz) */
     462             :         __u32 hfmax;                    /* hfreq upper limit (Hz) */
     463             :         __u32 dclkmin;                  /* pixelclock lower limit (Hz) */
     464             :         __u32 dclkmax;                  /* pixelclock upper limit (Hz) */
     465             :         __u16 input;                    /* display type - see FB_DISP_* */
     466             :         __u16 dpms;                     /* DPMS support - see FB_DPMS_ */
     467             :         __u16 signal;                   /* Signal Type - see FB_SIGNAL_* */
     468             :         __u16 vfmin;                    /* vfreq lower limit (Hz) */
     469             :         __u16 vfmax;                    /* vfreq upper limit (Hz) */
     470             :         __u16 gamma;                    /* Gamma - in fractions of 100 */
     471             :         __u16 gtf       : 1;            /* supports GTF */
     472             :         __u16 misc;                     /* Misc flags - see FB_MISC_* */
     473             :         __u8  version;                  /* EDID version... */
     474             :         __u8  revision;                 /* ...and revision */
     475             :         __u8  max_x;                    /* Maximum horizontal size (cm) */
     476             :         __u8  max_y;                    /* Maximum vertical size (cm) */
     477             : };
     478           1 : 
     479             : struct fb_cmap_user {
     480             :         __u32 start;                    /* First entry  */
     481             :         __u32 len;                      /* Number of entries */
     482             :         __u16 __user *red;              /* Red values   */
     483             :         __u16 __user *green;
     484             :         __u16 __user *blue;
     485             :         __u16 __user *transp;           /* transparency, can be NULL */
     486             : };
     487             : 
     488             : struct fb_image_user {
     489             :         __u32 dx;                       /* Where to place image */
     490             :         __u32 dy;
     491             :         __u32 width;                    /* Size of image */
     492             :         __u32 height;
     493             :         __u32 fg_color;                 /* Only used when a mono bitmap */
     494             :         __u32 bg_color;
     495             :         __u8  depth;                    /* Depth of the image */
     496             :         const char __user *data;        /* Pointer to image data */
     497             :         struct fb_cmap_user cmap;       /* color map info */
     498             : };
     499             : 
     500             : struct fb_cursor_user {
     501             :         __u16 set;                      /* what to set */
     502             :         __u16 enable;                   /* cursor on/off */
     503             :         __u16 rop;                      /* bitop operation */
     504             :         const char __user *mask;        /* cursor mask bits */
     505             :         struct fbcurpos hot;            /* cursor hot spot */
     506             :         struct fb_image_user image;     /* Cursor image */
     507             : };
     508           1 : 
     509             : /*
     510             :  * Register/unregister for framebuffer events
     511             :  */
     512             : 
     513             : /*      The resolution of the passed in fb_info about to change */ 
     514             : #define FB_EVENT_MODE_CHANGE            0x01
     515             : /*      The display on this fb_info is beeing suspended, no access to the
     516             :  *      framebuffer is allowed any more after that call returns
     517             :  */
     518             : #define FB_EVENT_SUSPEND                0x02
     519             : /*      The display on this fb_info was resumed, you can restore the display
     520             :  *      if you own it
     521             :  */
     522             : #define FB_EVENT_RESUME                 0x03
     523             : /*      An entry from the modelist was removed */
     524             : #define FB_EVENT_MODE_DELETE            0x04
     525             : /*      A driver registered itself */
     526             : #define FB_EVENT_FB_REGISTERED          0x05
     527             : /*      A driver unregistered itself */
     528             : #define FB_EVENT_FB_UNREGISTERED        0x06
     529             : /*      CONSOLE-SPECIFIC: get console to framebuffer mapping */
     530             : #define FB_EVENT_GET_CONSOLE_MAP        0x07
     531             : /*      CONSOLE-SPECIFIC: set console to framebuffer mapping */
     532             : #define FB_EVENT_SET_CONSOLE_MAP        0x08
     533             : /*      A hardware display blank change occured */
     534             : #define FB_EVENT_BLANK                  0x09
     535             : /*      Private modelist is to be replaced */
     536             : #define FB_EVENT_NEW_MODELIST           0x0A
     537             : /*      The resolution of the passed in fb_info about to change and
     538             :         all vc's should be changed         */
     539             : #define FB_EVENT_MODE_CHANGE_ALL        0x0B
     540             : /*      A software display blank change occured */
     541             : #define FB_EVENT_CONBLANK               0x0C
     542             : /*      Get drawing requirements        */
     543             : #define FB_EVENT_GET_REQ                0x0D
     544             : /*      Unbind from the console if possible */
     545             : #define FB_EVENT_FB_UNBIND              0x0E
     546             : 
     547             : struct fb_event {
     548             :         struct fb_info *info;
     549             :         void *data;
     550             : };
     551           1 : 
     552             : struct fb_blit_caps {
     553             :         u32 x;
     554             :         u32 y;
     555             :         u32 len;
     556             :         u32 flags;
     557             : };
     558             : 
     559             : extern int fb_register_client(struct notifier_block *nb);
     560             : extern int fb_unregister_client(struct notifier_block *nb);
     561             : extern int fb_notifier_call_chain(unsigned long val, void *v);
     562           1 : /*
     563             :  * Pixmap structure definition
     564             :  *
     565             :  * The purpose of this structure is to translate data
     566             :  * from the hardware independent format of fbdev to what
     567             :  * format the hardware needs.
     568             :  */
     569             : 
     570             : #define FB_PIXMAP_DEFAULT 1     /* used internally by fbcon */
     571             : #define FB_PIXMAP_SYSTEM  2     /* memory is in system RAM  */
     572             : #define FB_PIXMAP_IO      4     /* memory is iomapped       */
     573             : #define FB_PIXMAP_SYNC    256   /* set if GPU can DMA       */
     574             : 
     575             : struct fb_pixmap {
     576             :         u8  *addr;              /* pointer to memory                    */
     577             :         u32 size;               /* size of buffer in bytes              */
     578             :         u32 offset;             /* current offset to buffer             */
     579             :         u32 buf_align;          /* byte alignment of each bitmap        */
     580             :         u32 scan_align;         /* alignment per scanline               */
     581             :         u32 access_align;       /* alignment per read/write (bits)      */
     582             :         u32 flags;              /* see FB_PIXMAP_*                      */
     583             :         u32 blit_x;             /* supported bit block dimensions (1-32)*/
     584             :         u32 blit_y;             /* Format: blit_x = 1 << (width - 1)    */
     585             :                                 /*         blit_y = 1 << (height - 1)   */
     586             :                                 /* if 0, will be set to 0xffffffff (all)*/
     587             :         /* access methods */
     588             :         void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size);
     589             :         void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size);
     590             : };
     591           1 : 
     592             : #ifdef CONFIG_FB_DEFERRED_IO
     593             : struct fb_deferred_io {
     594             :         /* delay between mkwrite and deferred handler */
     595             :         unsigned long delay;
     596             :         struct mutex lock; /* mutex that protects the page list */
     597             :         struct list_head pagelist; /* list of touched pages */
     598             :         /* callback */
     599             :         void (*deferred_io)(struct fb_info *info, struct list_head *pagelist);
     600             : };
     601             : #endif
     602             : 
     603             : /*
     604             :  * Frame buffer operations
     605             :  *
     606             :  * LOCKING NOTE: those functions must _ALL_ be called with the console
     607             :  * semaphore held, this is the only suitable locking mechanism we have
     608             :  * in 2.6. Some may be called at interrupt time at this point though.
     609             :  */
     610             : 
     611             : struct fb_ops {
     612             :         /* open/release and usage marking */
     613             :         struct module *owner;
     614             :         int (*fb_open)(struct fb_info *info, int user);
     615             :         int (*fb_release)(struct fb_info *info, int user);
     616             : 
     617             :         /* For framebuffers with strange non linear layouts or that do not
     618             :          * work with normal memory mapped access
     619             :          */
     620             :         ssize_t (*fb_read)(struct fb_info *info, char __user *buf,
     621             :                            size_t count, loff_t *ppos);
     622             :         ssize_t (*fb_write)(struct fb_info *info, const char __user *buf,
     623             :                             size_t count, loff_t *ppos);
     624             : 
     625             :         /* checks var and eventually tweaks it to something supported,
     626             :          * DO NOT MODIFY PAR */
     627             :         int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info);
     628             : 
     629             :         /* set the video mode according to info->var */
     630             :         int (*fb_set_par)(struct fb_info *info);
     631             : 
     632             :         /* set color register */
     633             :         int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green,
     634             :                             unsigned blue, unsigned transp, struct fb_info *info);
     635             : 
     636             :         /* set color registers in batch */
     637             :         int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info);
     638             : 
     639             :         /* blank display */
     640             :         int (*fb_blank)(int blank, struct fb_info *info);
     641             : 
     642             :         /* pan display */
     643             :         int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info);
     644             : 
     645             :         /* Draws a rectangle */
     646             :         void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect);
     647             :         /* Copy data from area to another */
     648             :         void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region);
     649             :         /* Draws a image to the display */
     650             :         void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image);
     651             : 
     652             :         /* Draws cursor */
     653             :         int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor);
     654             : 
     655             :         /* Rotates the display */
     656             :         void (*fb_rotate)(struct fb_info *info, int angle);
     657             : 
     658             :         /* wait for blit idle, optional */
     659             :         int (*fb_sync)(struct fb_info *info);
     660             : 
     661             :         /* perform fb specific ioctl (optional) */
     662             :         int (*fb_ioctl)(struct fb_info *info, unsigned int cmd,
     663             :                         unsigned long arg);
     664             : 
     665             :         /* Handle 32bit compat ioctl (optional) */
     666             :         int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd,
     667             :                         unsigned long arg);
     668             : 
     669             :         /* perform fb specific mmap */
     670             :         int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma);
     671             : 
     672             :         /* get capability given var */
     673             :         void (*fb_get_caps)(struct fb_info *info, struct fb_blit_caps *caps,
     674             :                             struct fb_var_screeninfo *var);
     675             : 
     676             :         /* teardown any resources to do with this framebuffer */
     677             :         void (*fb_destroy)(struct fb_info *info);
     678             : };
     679           1 : 
     680             : #ifdef CONFIG_FB_TILEBLITTING
     681             : #define FB_TILE_CURSOR_NONE        0
     682             : #define FB_TILE_CURSOR_UNDERLINE   1
     683             : #define FB_TILE_CURSOR_LOWER_THIRD 2
     684             : #define FB_TILE_CURSOR_LOWER_HALF  3
     685             : #define FB_TILE_CURSOR_TWO_THIRDS  4
     686             : #define FB_TILE_CURSOR_BLOCK       5
     687             : 
     688             : struct fb_tilemap {
     689             :         __u32 width;                /* width of each tile in pixels */
     690             :         __u32 height;               /* height of each tile in scanlines */
     691             :         __u32 depth;                /* color depth of each tile */
     692             :         __u32 length;               /* number of tiles in the map */
     693             :         const __u8 *data;           /* actual tile map: a bitmap array, packed
     694             :                                        to the nearest byte */
     695             : };
     696             : 
     697             : struct fb_tilerect {
     698             :         __u32 sx;                   /* origin in the x-axis */
     699             :         __u32 sy;                   /* origin in the y-axis */
     700             :         __u32 width;                /* number of tiles in the x-axis */
     701             :         __u32 height;               /* number of tiles in the y-axis */
     702             :         __u32 index;                /* what tile to use: index to tile map */
     703             :         __u32 fg;                   /* foreground color */
     704             :         __u32 bg;                   /* background color */
     705             :         __u32 rop;                  /* raster operation */
     706             : };
     707             : 
     708             : struct fb_tilearea {
     709             :         __u32 sx;                   /* source origin in the x-axis */
     710             :         __u32 sy;                   /* source origin in the y-axis */
     711             :         __u32 dx;                   /* destination origin in the x-axis */
     712             :         __u32 dy;                   /* destination origin in the y-axis */
     713             :         __u32 width;                /* number of tiles in the x-axis */
     714             :         __u32 height;               /* number of tiles in the y-axis */
     715             : };
     716             : 
     717             : struct fb_tileblit {
     718             :         __u32 sx;                   /* origin in the x-axis */
     719             :         __u32 sy;                   /* origin in the y-axis */
     720             :         __u32 width;                /* number of tiles in the x-axis */
     721             :         __u32 height;               /* number of tiles in the y-axis */
     722             :         __u32 fg;                   /* foreground color */
     723             :         __u32 bg;                   /* background color */
     724             :         __u32 length;               /* number of tiles to draw */
     725             :         __u32 *indices;             /* array of indices to tile map */
     726             : };
     727             : 
     728             : struct fb_tilecursor {
     729             :         __u32 sx;                   /* cursor position in the x-axis */
     730             :         __u32 sy;                   /* cursor position in the y-axis */
     731             :         __u32 mode;                 /* 0 = erase, 1 = draw */
     732             :         __u32 shape;                /* see FB_TILE_CURSOR_* */
     733             :         __u32 fg;                   /* foreground color */
     734             :         __u32 bg;                   /* background color */
     735             : };
     736             : 
     737             : struct fb_tile_ops {
     738             :         /* set tile characteristics */
     739             :         void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map);
     740             : 
     741             :         /* all dimensions from hereon are in terms of tiles */
     742             : 
     743             :         /* move a rectangular region of tiles from one area to another*/
     744             :         void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area);
     745             :         /* fill a rectangular region with a tile */
     746             :         void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect);
     747             :         /* copy an array of tiles */
     748             :         void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit);
     749             :         /* cursor */
     750             :         void (*fb_tilecursor)(struct fb_info *info,
     751             :                               struct fb_tilecursor *cursor);
     752             :         /* get maximum length of the tile map */
     753             :         int (*fb_get_tilemax)(struct fb_info *info);
     754             : };
     755             : #endif /* CONFIG_FB_TILEBLITTING */
     756             : 
     757             : /* FBINFO_* = fb_info.flags bit flags */
     758             : #define FBINFO_MODULE           0x0001  /* Low-level driver is a module */
     759             : #define FBINFO_HWACCEL_DISABLED 0x0002
     760             :         /* When FBINFO_HWACCEL_DISABLED is set:
     761             :          *  Hardware acceleration is turned off.  Software implementations
     762             :          *  of required functions (copyarea(), fillrect(), and imageblit())
     763             :          *  takes over; acceleration engine should be in a quiescent state */
     764             : 
     765             : /* hints */
     766             : #define FBINFO_VIRTFB           0x0004 /* FB is System RAM, not device. */
     767             : #define FBINFO_PARTIAL_PAN_OK   0x0040 /* otw use pan only for double-buffering */
     768             : #define FBINFO_READS_FAST       0x0080 /* soft-copy faster than rendering */
     769             : 
     770             : /* hardware supported ops */
     771             : /*  semantics: when a bit is set, it indicates that the operation is
     772             :  *   accelerated by hardware.
     773             :  *  required functions will still work even if the bit is not set.
     774             :  *  optional functions may not even exist if the flag bit is not set.
     775             :  */
     776             : #define FBINFO_HWACCEL_NONE             0x0000
     777             : #define FBINFO_HWACCEL_COPYAREA         0x0100 /* required */
     778             : #define FBINFO_HWACCEL_FILLRECT         0x0200 /* required */
     779             : #define FBINFO_HWACCEL_IMAGEBLIT        0x0400 /* required */
     780             : #define FBINFO_HWACCEL_ROTATE           0x0800 /* optional */
     781             : #define FBINFO_HWACCEL_XPAN             0x1000 /* optional */
     782             : #define FBINFO_HWACCEL_YPAN             0x2000 /* optional */
     783             : #define FBINFO_HWACCEL_YWRAP            0x4000 /* optional */
     784             : 
     785             : #define FBINFO_MISC_USEREVENT          0x10000 /* event request
     786             :                                                   from userspace */
     787             : #define FBINFO_MISC_TILEBLITTING       0x20000 /* use tile blitting */
     788             : 
     789             : /* A driver may set this flag to indicate that it does want a set_par to be
     790             :  * called every time when fbcon_switch is executed. The advantage is that with
     791             :  * this flag set you can really be sure that set_par is always called before
     792             :  * any of the functions dependant on the correct hardware state or altering
     793             :  * that state, even if you are using some broken X releases. The disadvantage
     794             :  * is that it introduces unwanted delays to every console switch if set_par
     795             :  * is slow. It is a good idea to try this flag in the drivers initialization
     796             :  * code whenever there is a bug report related to switching between X and the
     797             :  * framebuffer console.
     798             :  */
     799             : #define FBINFO_MISC_ALWAYS_SETPAR   0x40000
     800             : 
     801             : /* where the fb is a firmware driver, and can be replaced with a proper one */
     802             : #define FBINFO_MISC_FIRMWARE        0x80000
     803             : /*
     804             :  * Host and GPU endianness differ.
     805             :  */
     806             : #define FBINFO_FOREIGN_ENDIAN   0x100000
     807             : /*
     808             :  * Big endian math. This is the same flags as above, but with different
     809             :  * meaning, it is set by the fb subsystem depending FOREIGN_ENDIAN flag
     810             :  * and host endianness. Drivers should not use this flag.
     811             :  */
     812             : #define FBINFO_BE_MATH  0x100000
     813             : 
     814             : struct fb_info {
     815             :         int node;
     816             :         int flags;
     817             :         struct mutex lock;              /* Lock for open/release/ioctl funcs */
     818             :         struct mutex mm_lock;           /* Lock for fb_mmap and smem_* fields */
     819             :         struct fb_var_screeninfo var;   /* Current var */
     820             :         struct fb_fix_screeninfo fix;   /* Current fix */
     821             :         struct fb_monspecs monspecs;    /* Current Monitor specs */
     822             :         struct work_struct queue;       /* Framebuffer event queue */
     823             :         struct fb_pixmap pixmap;        /* Image hardware mapper */
     824             :         struct fb_pixmap sprite;        /* Cursor hardware mapper */
     825             :         struct fb_cmap cmap;            /* Current cmap */
     826             :         struct list_head modelist;      /* mode list */
     827             :         struct fb_videomode *mode;      /* current mode */
     828             : 
     829             : #ifdef CONFIG_FB_BACKLIGHT
     830             :         /* assigned backlight device */
     831             :         /* set before framebuffer registration, 
     832             :            remove after unregister */
     833             :         struct backlight_device *bl_dev;
     834             : 
     835             :         /* Backlight level curve */
     836             :         struct mutex bl_curve_mutex;    
     837             :         u8 bl_curve[FB_BACKLIGHT_LEVELS];
     838             : #endif
     839             : #ifdef CONFIG_FB_DEFERRED_IO
     840             :         struct delayed_work deferred_work;
     841             :         struct fb_deferred_io *fbdefio;
     842             : #endif
     843             : 
     844             :         struct fb_ops *fbops;
     845             :         struct device *device;          /* This is the parent */
     846             :         struct device *dev;             /* This is this fb device */
     847             :         int class_flag;                    /* private sysfs flags */
     848             : #ifdef CONFIG_FB_TILEBLITTING
     849             :         struct fb_tile_ops *tileops;    /* Tile Blitting */
     850             : #endif
     851             :         char __iomem *screen_base;      /* Virtual address */
     852             :         unsigned long screen_size;      /* Amount of ioremapped VRAM or 0 */ 
     853             :         void *pseudo_palette;           /* Fake palette of 16 colors */ 
     854             : #define FBINFO_STATE_RUNNING    0
     855             : #define FBINFO_STATE_SUSPENDED  1
     856             :         u32 state;                      /* Hardware state i.e suspend */
     857             :         void *fbcon_par;                /* fbcon use-only private area */
     858             :         /* From here on everything is device dependent */
     859             :         void *par;
     860             :         /* we need the PCI or similiar aperture base/size not
     861             :            smem_start/size as smem_start may just be an object
     862             :            allocated inside the aperture so may not actually overlap */
     863             :         resource_size_t aperture_base;
     864             :         resource_size_t aperture_size;
     865             : };
     866             : 
     867             : #ifdef MODULE
     868             : #define FBINFO_DEFAULT  FBINFO_MODULE
     869             : #else
     870             : #define FBINFO_DEFAULT  0
     871             : #endif
     872             : 
     873             : // This will go away
     874             : #define FBINFO_FLAG_MODULE      FBINFO_MODULE
     875             : #define FBINFO_FLAG_DEFAULT     FBINFO_DEFAULT
     876             : 
     877             : /* This will go away
     878             :  * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags
     879             :  * when it wants to turn the acceleration engine on.  This is
     880             :  * really a separate operation, and should be modified via sysfs.
     881             :  *  But for now, we leave it broken with the following define
     882             :  */
     883             : #define STUPID_ACCELF_TEXT_SHIT
     884             : 
     885             : // This will go away
     886             : #if defined(__sparc__)
     887             : 
     888             : /* We map all of our framebuffers such that big-endian accesses
     889             :  * are what we want, so the following is sufficient.
     890             :  */
     891             : 
     892             : // This will go away
     893             : #define fb_readb sbus_readb
     894             : #define fb_readw sbus_readw
     895             : #define fb_readl sbus_readl
     896             : #define fb_readq sbus_readq
     897             : #define fb_writeb sbus_writeb
     898             : #define fb_writew sbus_writew
     899             : #define fb_writel sbus_writel
     900             : #define fb_writeq sbus_writeq
     901             : #define fb_memset sbus_memset_io
     902             : 
     903             : #elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || defined(__avr32__) || defined(__bfin__)
     904             : 
     905             : #define fb_readb __raw_readb
     906             : #define fb_readw __raw_readw
     907             : #define fb_readl __raw_readl
     908             : #define fb_readq __raw_readq
     909             : #define fb_writeb __raw_writeb
     910             : #define fb_writew __raw_writew
     911             : #define fb_writel __raw_writel
     912             : #define fb_writeq __raw_writeq
     913             : #define fb_memset memset_io
     914             : 
     915             : #else
     916             : 
     917             : #define fb_readb(addr) (*(volatile u8 *) (addr))
     918             : #define fb_readw(addr) (*(volatile u16 *) (addr))
     919             : #define fb_readl(addr) (*(volatile u32 *) (addr))
     920             : #define fb_readq(addr) (*(volatile u64 *) (addr))
     921             : #define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b))
     922             : #define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b))
     923             : #define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b))
     924             : #define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b))
     925             : #define fb_memset memset
     926             : 
     927             : #endif
     928             : 
     929             : #define FB_LEFT_POS(p, bpp)          (fb_be_math(p) ? (32 - (bpp)) : 0)
     930             : #define FB_SHIFT_HIGH(p, val, bits)  (fb_be_math(p) ? (val) >> (bits) : \
     931             :                                                       (val) << (bits))
     932             : #define FB_SHIFT_LOW(p, val, bits)   (fb_be_math(p) ? (val) << (bits) : \
     933             :                                                       (val) >> (bits))
     934             : 
     935             :     /*
     936             :      *  `Generic' versions of the frame buffer device operations
     937             :      */
     938             : 
     939             : extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var); 
     940             : extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var); 
     941             : extern int fb_blank(struct fb_info *info, int blank);
     942             : extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect); 
     943             : extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area); 
     944             : extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image);
     945             : /*
     946             :  * Drawing operations where framebuffer is in system RAM
     947             :  */
     948             : extern void sys_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
     949             : extern void sys_copyarea(struct fb_info *info, const struct fb_copyarea *area);
     950             : extern void sys_imageblit(struct fb_info *info, const struct fb_image *image);
     951             : extern ssize_t fb_sys_read(struct fb_info *info, char __user *buf,
     952             :                            size_t count, loff_t *ppos);
     953             : extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf,
     954             :                             size_t count, loff_t *ppos);
     955             : 
     956             : /* drivers/video/fbmem.c */
     957             : extern int register_framebuffer(struct fb_info *fb_info);
     958             : extern int unregister_framebuffer(struct fb_info *fb_info);
     959             : extern int fb_prepare_logo(struct fb_info *fb_info, int rotate);
     960             : extern int fb_show_logo(struct fb_info *fb_info, int rotate);
     961             : extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size);
     962             : extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx,
     963             :                                 u32 height, u32 shift_high, u32 shift_low, u32 mod);
     964             : extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height);
     965             : extern void fb_set_suspend(struct fb_info *info, int state);
     966             : extern int fb_get_color_depth(struct fb_var_screeninfo *var,
     967             :                               struct fb_fix_screeninfo *fix);
     968             : extern int fb_get_options(char *name, char **option);
     969             : extern int fb_new_modelist(struct fb_info *info);
     970             : 
     971           1 : extern struct fb_info *registered_fb[FB_MAX];
     972           1 : extern int num_registered_fb;
     973           1 : extern struct class *fb_class;
     974             : 
     975             : extern int lock_fb_info(struct fb_info *info);
     976             : 
     977             : static inline void unlock_fb_info(struct fb_info *info)
     978             : {
     979          57 :         mutex_unlock(&info->lock);
     980          57 : }
     981             : 
     982             : static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch,
     983             :                                            u8 *src, u32 s_pitch, u32 height)
     984             : {
     985           0 :         int i, j;
     986           0 : 
     987           0 :         d_pitch -= s_pitch;
     988           0 : 
     989           0 :         for (i = height; i--; ) {
     990           0 :                 /* s_pitch is a few bytes at the most, memcpy is suboptimal */
     991           0 :                 for (j = 0; j < s_pitch; j++)
     992           0 :                         *dst++ = *src++;
     993           0 :                 dst += d_pitch;
     994           0 :         }
     995             : }
     996           0 : 
     997             : /* drivers/video/fb_defio.c */
     998             : extern void fb_deferred_io_init(struct fb_info *info);
     999             : extern void fb_deferred_io_open(struct fb_info *info,
    1000             :                                 struct inode *inode,
    1001             :                                 struct file *file);
    1002             : extern void fb_deferred_io_cleanup(struct fb_info *info);
    1003             : extern int fb_deferred_io_fsync(struct file *file, struct dentry *dentry,
    1004             :                                 int datasync);
    1005             : 
    1006             : static inline bool fb_be_math(struct fb_info *info)
    1007             : {
    1008             : #ifdef CONFIG_FB_FOREIGN_ENDIAN
    1009             : #if defined(CONFIG_FB_BOTH_ENDIAN)
    1010             :         return info->flags & FBINFO_BE_MATH;
    1011             : #elif defined(CONFIG_FB_BIG_ENDIAN)
    1012             :         return true;
    1013             : #elif defined(CONFIG_FB_LITTLE_ENDIAN)
    1014             :         return false;
    1015             : #endif /* CONFIG_FB_BOTH_ENDIAN */
    1016             : #else
    1017             : #ifdef __BIG_ENDIAN
    1018             :         return true;
    1019             : #else
    1020           0 :         return false;
    1021             : #endif /* __BIG_ENDIAN */
    1022             : #endif /* CONFIG_FB_FOREIGN_ENDIAN */
    1023             : }
    1024             : 
    1025             : /* drivers/video/fbsysfs.c */
    1026             : extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev);
    1027             : extern void framebuffer_release(struct fb_info *info);
    1028             : extern int fb_init_device(struct fb_info *fb_info);
    1029             : extern void fb_cleanup_device(struct fb_info *head);
    1030             : extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max);
    1031             : 
    1032             : /* drivers/video/fbmon.c */
    1033             : #define FB_MAXTIMINGS           0
    1034             : #define FB_VSYNCTIMINGS         1
    1035             : #define FB_HSYNCTIMINGS         2
    1036             : #define FB_DCLKTIMINGS          3
    1037             : #define FB_IGNOREMON            0x100
    1038             : 
    1039             : #define FB_MODE_IS_UNKNOWN      0
    1040             : #define FB_MODE_IS_DETAILED     1
    1041             : #define FB_MODE_IS_STANDARD     2
    1042             : #define FB_MODE_IS_VESA         4
    1043             : #define FB_MODE_IS_CALCULATED   8
    1044             : #define FB_MODE_IS_FIRST        16
    1045             : #define FB_MODE_IS_FROM_VAR     32
    1046             : 
    1047             : extern int fbmon_dpms(const struct fb_info *fb_info);
    1048             : extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var,
    1049             :                        struct fb_info *info);
    1050             : extern int fb_validate_mode(const struct fb_var_screeninfo *var,
    1051             :                             struct fb_info *info);
    1052             : extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var);
    1053             : extern const unsigned char *fb_firmware_edid(struct device *device);
    1054             : extern void fb_edid_to_monspecs(unsigned char *edid,
    1055             :                                 struct fb_monspecs *specs);
    1056             : extern void fb_destroy_modedb(struct fb_videomode *modedb);
    1057             : extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb);
    1058             : extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter);
    1059             : 
    1060             : /* drivers/video/modedb.c */
    1061             : #define VESA_MODEDB_SIZE 34
    1062             : extern void fb_var_to_videomode(struct fb_videomode *mode,
    1063             :                                 const struct fb_var_screeninfo *var);
    1064             : extern void fb_videomode_to_var(struct fb_var_screeninfo *var,
    1065             :                                 const struct fb_videomode *mode);
    1066             : extern int fb_mode_is_equal(const struct fb_videomode *mode1,
    1067             :                             const struct fb_videomode *mode2);
    1068             : extern int fb_add_videomode(const struct fb_videomode *mode,
    1069             :                             struct list_head *head);
    1070             : extern void fb_delete_videomode(const struct fb_videomode *mode,
    1071             :                                 struct list_head *head);
    1072             : extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var,
    1073             :                                                 struct list_head *head);
    1074             : extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var,
    1075             :                                                     struct list_head *head);
    1076             : extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode,
    1077             :                                                        struct list_head *head);
    1078             : extern void fb_destroy_modelist(struct list_head *head);
    1079             : extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num,
    1080             :                                      struct list_head *head);
    1081             : extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs,
    1082             :                                                        struct list_head *head);
    1083             : 
    1084             : /* drivers/video/fbcmap.c */
    1085             : extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
    1086             : extern void fb_dealloc_cmap(struct fb_cmap *cmap);
    1087             : extern int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to);
    1088             : extern int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to);
    1089             : extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info);
    1090             : extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info);
    1091             : extern const struct fb_cmap *fb_default_cmap(int len);
    1092             : extern void fb_invert_cmaps(void);
    1093           1 : 
    1094             : struct fb_videomode {
    1095             :         const char *name;       /* optional */
    1096             :         u32 refresh;            /* optional */
    1097             :         u32 xres;
    1098             :         u32 yres;
    1099             :         u32 pixclock;
    1100             :         u32 left_margin;
    1101             :         u32 right_margin;
    1102             :         u32 upper_margin;
    1103             :         u32 lower_margin;
    1104             :         u32 hsync_len;
    1105             :         u32 vsync_len;
    1106             :         u32 sync;
    1107             :         u32 vmode;
    1108             :         u32 flag;
    1109             : };
    1110             : 
    1111           1 : extern const char *fb_mode_option;
    1112           1 : extern const struct fb_videomode vesa_modes[];
    1113           1 : 
    1114             : struct fb_modelist {
    1115             :         struct list_head list;
    1116             :         struct fb_videomode mode;
    1117             : };
    1118             : 
    1119             : extern int fb_find_mode(struct fb_var_screeninfo *var,
    1120           1 :                         struct fb_info *info, const char *mode_option,
    1121             :                         const struct fb_videomode *db,
    1122             :                         unsigned int dbsize,
    1123             :                         const struct fb_videomode *default_mode,
    1124             :                         unsigned int default_bpp);
    1125             : 
    1126             : #endif /* __KERNEL__ */
    1127             : 
    1128             : #endif /* _LINUX_FB_H */

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