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  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. #define FBIO_WAITFORVSYNC       _IOW('F', 0x20, __u32)
  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. #define FB_ACCEL_PUV3_UNIGFX    0xa0    /* PKUnity-v3 Unigfx            */
  155.  
  156. struct fb_fix_screeninfo {
  157.         char id[16];                    /* identification string eg "TT Builtin" */
  158.         unsigned long smem_start;       /* Start of frame buffer mem */
  159.                                         /* (physical address) */
  160.         __u32 smem_len;                 /* Length of frame buffer mem */
  161.         __u32 type;                     /* see FB_TYPE_*                */
  162.         __u32 type_aux;                 /* Interleave for interleaved Planes */
  163.         __u32 visual;                   /* see FB_VISUAL_*              */
  164.         __u16 xpanstep;                 /* zero if no hardware panning  */
  165.         __u16 ypanstep;                 /* zero if no hardware panning  */
  166.         __u16 ywrapstep;                /* zero if no hardware ywrap    */
  167.         __u32 line_length;              /* length of a line in bytes    */
  168.         unsigned long mmio_start;       /* Start of Memory Mapped I/O   */
  169.                                         /* (physical address) */
  170.         __u32 mmio_len;                 /* Length of Memory Mapped I/O  */
  171.         __u32 accel;                    /* Indicate to driver which     */
  172.                                         /*  specific chip/card we have  */
  173.         __u16 reserved[3];              /* Reserved for future compatibility */
  174. };
  175.  
  176. /* Interpretation of offset for color fields: All offsets are from the right,
  177.  * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
  178.  * can use the offset as right argument to <<). A pixel afterwards is a bit
  179.  * stream and is written to video memory as that unmodified.
  180.  *
  181.  * For pseudocolor: offset and length should be the same for all color
  182.  * components. Offset specifies the position of the least significant bit
  183.  * of the pallette index in a pixel value. Length indicates the number
  184.  * of available palette entries (i.e. # of entries = 1 << length).
  185.  */
  186. struct fb_bitfield {
  187.         __u32 offset;                   /* beginning of bitfield        */
  188.         __u32 length;                   /* length of bitfield           */
  189.         __u32 msb_right;                /* != 0 : Most significant bit is */
  190.                                         /* right */
  191. };
  192.  
  193. #define FB_NONSTD_HAM           1   /* Hold-And-Modify (HAM)        */
  194. #define FB_NONSTD_REV_PIX_IN_B  2       /* order of pixels in each byte is reversed */
  195.  
  196. #define FB_ACTIVATE_NOW         0   /* set values immediately (or vbl)*/
  197. #define FB_ACTIVATE_NXTOPEN     1   /* activate on next open    */
  198. #define FB_ACTIVATE_TEST        2   /* don't set, round up impossible */
  199. #define FB_ACTIVATE_MASK       15
  200.                                         /* values                       */
  201. #define FB_ACTIVATE_VBL        16       /* activate values on next vbl  */
  202. #define FB_CHANGE_CMAP_VBL     32       /* change colormap on vbl       */
  203. #define FB_ACTIVATE_ALL        64       /* change all VCs on this fb    */
  204. #define FB_ACTIVATE_FORCE     128       /* force apply even when no change*/
  205. #define FB_ACTIVATE_INV_MODE  256       /* invalidate videomode */
  206.  
  207. #define FB_ACCELF_TEXT          1   /* (OBSOLETE) see fb_info.flags and vc_mode */
  208.  
  209. #define FB_SYNC_HOR_HIGH_ACT    1       /* horizontal sync high active  */
  210. #define FB_SYNC_VERT_HIGH_ACT   2       /* vertical sync high active    */
  211. #define FB_SYNC_EXT             4   /* external sync        */
  212. #define FB_SYNC_COMP_HIGH_ACT   8       /* composite sync high active   */
  213. #define FB_SYNC_BROADCAST       16  /* broadcast video timings      */
  214.                                         /* vtotal = 144d/288n/576i => PAL  */
  215.                                         /* vtotal = 121d/242n/484i => NTSC */
  216. #define FB_SYNC_ON_GREEN        32  /* sync on green */
  217.  
  218. #define FB_VMODE_NONINTERLACED  0       /* non interlaced */
  219. #define FB_VMODE_INTERLACED     1   /* interlaced   */
  220. #define FB_VMODE_DOUBLE         2   /* double scan */
  221. #define FB_VMODE_ODD_FLD_FIRST  4       /* interlaced: top line first */
  222. #define FB_VMODE_MASK           255
  223.  
  224. #define FB_VMODE_YWRAP          256 /* ywrap instead of panning     */
  225. #define FB_VMODE_SMOOTH_XPAN    512     /* smooth xpan possible (internally used) */
  226. #define FB_VMODE_CONUPDATE      512 /* don't update x/yoffset   */
  227.  
  228. /*
  229.  * Display rotation support
  230.  */
  231. #define FB_ROTATE_UR      0
  232. #define FB_ROTATE_CW      1
  233. #define FB_ROTATE_UD      2
  234. #define FB_ROTATE_CCW     3
  235.  
  236. #define PICOS2KHZ(a) (1000000000UL/(a))
  237. #define KHZ2PICOS(a) (1000000000UL/(a))
  238.  
  239. struct fb_var_screeninfo {
  240.         __u32 xres;                     /* visible resolution           */
  241.         __u32 yres;
  242.         __u32 xres_virtual;             /* virtual resolution           */
  243.         __u32 yres_virtual;
  244.         __u32 xoffset;                  /* offset from virtual to visible */
  245.         __u32 yoffset;                  /* resolution                   */
  246.  
  247.         __u32 bits_per_pixel;           /* guess what                   */
  248.         __u32 grayscale;                /* != 0 Graylevels instead of colors */
  249.  
  250.         struct fb_bitfield red;         /* bitfield in fb mem if true color, */
  251.         struct fb_bitfield green;       /* else only length is significant */
  252.         struct fb_bitfield blue;
  253.         struct fb_bitfield transp;      /* transparency                 */
  254.  
  255.         __u32 nonstd;                   /* != 0 Non standard pixel format */
  256.  
  257.         __u32 activate;                 /* see FB_ACTIVATE_*            */
  258.  
  259.         __u32 height;                   /* height of picture in mm    */
  260.         __u32 width;                    /* width of picture in mm     */
  261.  
  262.         __u32 accel_flags;              /* (OBSOLETE) see fb_info.flags */
  263.  
  264.         /* Timing: All values in pixclocks, except pixclock (of course) */
  265.         __u32 pixclock;                 /* pixel clock in ps (pico seconds) */
  266.         __u32 left_margin;              /* time from sync to picture    */
  267.         __u32 right_margin;             /* time from picture to sync    */
  268.         __u32 upper_margin;             /* time from sync to picture    */
  269.         __u32 lower_margin;
  270.         __u32 hsync_len;                /* length of horizontal sync    */
  271.         __u32 vsync_len;                /* length of vertical sync      */
  272.         __u32 sync;                     /* see FB_SYNC_*                */
  273.         __u32 vmode;                    /* see FB_VMODE_*               */
  274.         __u32 rotate;                   /* angle we rotate counter clockwise */
  275.         __u32 reserved[5];              /* Reserved for future compatibility */
  276. };
  277.  
  278. struct fb_cmap {
  279.         __u32 start;                    /* First entry  */
  280.         __u32 len;                      /* Number of entries */
  281.         __u16 *red;                     /* Red values   */
  282.         __u16 *green;
  283.         __u16 *blue;
  284.         __u16 *transp;                  /* transparency, can be NULL */
  285. };
  286.  
  287. struct fb_con2fbmap {
  288.         __u32 console;
  289.         __u32 framebuffer;
  290. };
  291.  
  292. /* VESA Blanking Levels */
  293. #define VESA_NO_BLANKING        0
  294. #define VESA_VSYNC_SUSPEND      1
  295. #define VESA_HSYNC_SUSPEND      2
  296. #define VESA_POWERDOWN          3
  297.  
  298.  
  299. enum {
  300.         /* screen: unblanked, hsync: on,  vsync: on */
  301.         FB_BLANK_UNBLANK       = VESA_NO_BLANKING,
  302.  
  303.         /* screen: blanked,   hsync: on,  vsync: on */
  304.         FB_BLANK_NORMAL        = VESA_NO_BLANKING + 1,
  305.  
  306.         /* screen: blanked,   hsync: on,  vsync: off */
  307.         FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1,
  308.  
  309.         /* screen: blanked,   hsync: off, vsync: on */
  310.         FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1,
  311.  
  312.         /* screen: blanked,   hsync: off, vsync: off */
  313.         FB_BLANK_POWERDOWN     = VESA_POWERDOWN + 1
  314. };
  315.  
  316. #define FB_VBLANK_VBLANKING     0x001   /* currently in a vertical blank */
  317. #define FB_VBLANK_HBLANKING     0x002   /* currently in a horizontal blank */
  318. #define FB_VBLANK_HAVE_VBLANK   0x004   /* vertical blanks can be detected */
  319. #define FB_VBLANK_HAVE_HBLANK   0x008   /* horizontal blanks can be detected */
  320. #define FB_VBLANK_HAVE_COUNT    0x010   /* global retrace counter is available */
  321. #define FB_VBLANK_HAVE_VCOUNT   0x020   /* the vcount field is valid */
  322. #define FB_VBLANK_HAVE_HCOUNT   0x040   /* the hcount field is valid */
  323. #define FB_VBLANK_VSYNCING      0x080   /* currently in a vsync */
  324. #define FB_VBLANK_HAVE_VSYNC    0x100   /* verical syncs can be detected */
  325.  
  326. struct fb_vblank {
  327.         __u32 flags;                    /* FB_VBLANK flags */
  328.         __u32 count;                    /* counter of retraces since boot */
  329.         __u32 vcount;                   /* current scanline position */
  330.         __u32 hcount;                   /* current scandot position */
  331.         __u32 reserved[4];              /* reserved for future compatibility */
  332. };
  333.  
  334. /* Internal HW accel */
  335. #define ROP_COPY 0
  336. #define ROP_XOR  1
  337.  
  338. struct fb_copyarea {
  339.         __u32 dx;
  340.         __u32 dy;
  341.         __u32 width;
  342.         __u32 height;
  343.         __u32 sx;
  344.         __u32 sy;
  345. };
  346.  
  347. struct fb_fillrect {
  348.         __u32 dx;       /* screen-relative */
  349.         __u32 dy;
  350.         __u32 width;
  351.         __u32 height;
  352.         __u32 color;
  353.         __u32 rop;
  354. };
  355.  
  356. struct fb_image {
  357.     __u32 dx;               /* Where to place image */
  358.         __u32 dy;
  359.     __u32 width;            /* Size of image */
  360.         __u32 height;
  361.     __u32 fg_color;         /* Only used when a mono bitmap */
  362.         __u32 bg_color;
  363.     __u8  depth;            /* Depth of the image */
  364.     const char *data;       /* Pointer to image data */
  365.         struct fb_cmap cmap;    /* color map info */
  366. };
  367.  
  368. /*
  369.  * hardware cursor control
  370.  */
  371.  
  372. #define FB_CUR_SETIMAGE 0x01
  373. #define FB_CUR_SETPOS   0x02
  374. #define FB_CUR_SETHOT   0x04
  375. #define FB_CUR_SETCMAP  0x08
  376. #define FB_CUR_SETSHAPE 0x10
  377. #define FB_CUR_SETSIZE  0x20
  378. #define FB_CUR_SETALL   0xFF
  379.  
  380. struct fbcurpos {
  381.         __u16 x, y;
  382. };
  383.  
  384. struct fb_cursor {
  385.     __u16 set;              /* what to set */
  386.     __u16 enable;           /* cursor on/off */
  387.     __u16 rop;              /* bitop operation */
  388.     const char *mask;       /* cursor mask bits */
  389.         struct fbcurpos hot;    /* cursor hot spot */
  390.         struct fb_image image;  /* Cursor image */
  391. };
  392.  
  393. #ifdef CONFIG_FB_BACKLIGHT
  394. /* Settings for the generic backlight code */
  395. #define FB_BACKLIGHT_LEVELS     128
  396. #define FB_BACKLIGHT_MAX        0xFF
  397. #endif
  398.  
  399. //#ifdef __KERNEL__
  400.  
  401. //#include <linux/fs.h>
  402. //#include <linux/init.h>
  403. //#include <linux/device.h>
  404. //#include <linux/workqueue.h>
  405. //#include <linux/notifier.h>
  406. #include <linux/list.h>
  407. #include <linux/mutex.h>
  408. //#include <linux/backlight.h>
  409. #include <linux/slab.h>
  410. //#include <asm/io.h>
  411.  
  412. struct vm_area_struct;
  413. struct fb_info;
  414. struct device;
  415. struct file;
  416.  
  417. /* Definitions below are used in the parsed monitor specs */
  418. #define FB_DPMS_ACTIVE_OFF      1
  419. #define FB_DPMS_SUSPEND         2
  420. #define FB_DPMS_STANDBY         4
  421.  
  422. #define FB_DISP_DDI             1
  423. #define FB_DISP_ANA_700_300     2
  424. #define FB_DISP_ANA_714_286     4
  425. #define FB_DISP_ANA_1000_400    8
  426. #define FB_DISP_ANA_700_000     16
  427.  
  428. #define FB_DISP_MONO            32
  429. #define FB_DISP_RGB             64
  430. #define FB_DISP_MULTI           128
  431. #define FB_DISP_UNKNOWN         256
  432.  
  433. #define FB_SIGNAL_NONE          0
  434. #define FB_SIGNAL_BLANK_BLANK   1
  435. #define FB_SIGNAL_SEPARATE      2
  436. #define FB_SIGNAL_COMPOSITE     4
  437. #define FB_SIGNAL_SYNC_ON_GREEN 8
  438. #define FB_SIGNAL_SERRATION_ON  16
  439.  
  440. #define FB_MISC_PRIM_COLOR      1
  441. #define FB_MISC_1ST_DETAIL      2       /* First Detailed Timing is preferred */
  442. struct fb_chroma {
  443.         __u32 redx;     /* in fraction of 1024 */
  444.         __u32 greenx;
  445.         __u32 bluex;
  446.         __u32 whitex;
  447.         __u32 redy;
  448.         __u32 greeny;
  449.         __u32 bluey;
  450.         __u32 whitey;
  451. };
  452.  
  453. struct fb_monspecs {
  454.         struct fb_chroma chroma;
  455.         struct fb_videomode *modedb;    /* mode database */
  456.         __u8  manufacturer[4];          /* Manufacturer */
  457.         __u8  monitor[14];              /* Monitor String */
  458.         __u8  serial_no[14];            /* Serial Number */
  459.         __u8  ascii[14];                /* ? */
  460.         __u32 modedb_len;               /* mode database length */
  461.         __u32 model;                    /* Monitor Model */
  462.         __u32 serial;                   /* Serial Number - Integer */
  463.         __u32 year;                     /* Year manufactured */
  464.         __u32 week;                     /* Week Manufactured */
  465.         __u32 hfmin;                    /* hfreq lower limit (Hz) */
  466.         __u32 hfmax;                    /* hfreq upper limit (Hz) */
  467.         __u32 dclkmin;                  /* pixelclock lower limit (Hz) */
  468.         __u32 dclkmax;                  /* pixelclock upper limit (Hz) */
  469.         __u16 input;                    /* display type - see FB_DISP_* */
  470.         __u16 dpms;                     /* DPMS support - see FB_DPMS_ */
  471.         __u16 signal;                   /* Signal Type - see FB_SIGNAL_* */
  472.         __u16 vfmin;                    /* vfreq lower limit (Hz) */
  473.         __u16 vfmax;                    /* vfreq upper limit (Hz) */
  474.         __u16 gamma;                    /* Gamma - in fractions of 100 */
  475.         __u16 gtf       : 1;            /* supports GTF */
  476.         __u16 misc;                     /* Misc flags - see FB_MISC_* */
  477.         __u8  version;                  /* EDID version... */
  478.         __u8  revision;                 /* ...and revision */
  479.         __u8  max_x;                    /* Maximum horizontal size (cm) */
  480.         __u8  max_y;                    /* Maximum vertical size (cm) */
  481. };
  482.  
  483. struct fb_cmap_user {
  484.         __u32 start;                    /* First entry  */
  485.         __u32 len;                      /* Number of entries */
  486.         __u16 __user *red;              /* Red values   */
  487.         __u16 __user *green;
  488.         __u16 __user *blue;
  489.         __u16 __user *transp;           /* transparency, can be NULL */
  490. };
  491.  
  492. struct fb_image_user {
  493.         __u32 dx;                       /* Where to place image */
  494.         __u32 dy;
  495.         __u32 width;                    /* Size of image */
  496.         __u32 height;
  497.         __u32 fg_color;                 /* Only used when a mono bitmap */
  498.         __u32 bg_color;
  499.         __u8  depth;                    /* Depth of the image */
  500.         const char __user *data;        /* Pointer to image data */
  501.         struct fb_cmap_user cmap;       /* color map info */
  502. };
  503.  
  504. struct fb_cursor_user {
  505.         __u16 set;                      /* what to set */
  506.         __u16 enable;                   /* cursor on/off */
  507.         __u16 rop;                      /* bitop operation */
  508.         const char __user *mask;        /* cursor mask bits */
  509.         struct fbcurpos hot;            /* cursor hot spot */
  510.         struct fb_image_user image;     /* Cursor image */
  511. };
  512.  
  513. /*
  514.  * Register/unregister for framebuffer events
  515.  */
  516.  
  517. /*      The resolution of the passed in fb_info about to change */
  518. #define FB_EVENT_MODE_CHANGE            0x01
  519. /*      The display on this fb_info is beeing suspended, no access to the
  520.  *      framebuffer is allowed any more after that call returns
  521.  */
  522. #define FB_EVENT_SUSPEND                0x02
  523. /*      The display on this fb_info was resumed, you can restore the display
  524.  *      if you own it
  525.  */
  526. #define FB_EVENT_RESUME                 0x03
  527. /*      An entry from the modelist was removed */
  528. #define FB_EVENT_MODE_DELETE            0x04
  529. /*      A driver registered itself */
  530. #define FB_EVENT_FB_REGISTERED          0x05
  531. /*      A driver unregistered itself */
  532. #define FB_EVENT_FB_UNREGISTERED        0x06
  533. /*      CONSOLE-SPECIFIC: get console to framebuffer mapping */
  534. #define FB_EVENT_GET_CONSOLE_MAP        0x07
  535. /*      CONSOLE-SPECIFIC: set console to framebuffer mapping */
  536. #define FB_EVENT_SET_CONSOLE_MAP        0x08
  537. /*      A hardware display blank change occurred */
  538. #define FB_EVENT_BLANK                  0x09
  539. /*      Private modelist is to be replaced */
  540. #define FB_EVENT_NEW_MODELIST           0x0A
  541. /*      The resolution of the passed in fb_info about to change and
  542.         all vc's should be changed         */
  543. #define FB_EVENT_MODE_CHANGE_ALL        0x0B
  544. /*      A software display blank change occurred */
  545. #define FB_EVENT_CONBLANK               0x0C
  546. /*      Get drawing requirements        */
  547. #define FB_EVENT_GET_REQ                0x0D
  548. /*      Unbind from the console if possible */
  549. #define FB_EVENT_FB_UNBIND              0x0E
  550. /*      CONSOLE-SPECIFIC: remap all consoles to new fb - for vga switcheroo */
  551. #define FB_EVENT_REMAP_ALL_CONSOLE      0x0F
  552.  
  553. struct fb_event {
  554.         struct fb_info *info;
  555.         void *data;
  556. };
  557.  
  558. struct fb_blit_caps {
  559.         u32 x;
  560.         u32 y;
  561.         u32 len;
  562.         u32 flags;
  563. };
  564.  
  565. /*
  566.  * Pixmap structure definition
  567.  *
  568.  * The purpose of this structure is to translate data
  569.  * from the hardware independent format of fbdev to what
  570.  * format the hardware needs.
  571.  */
  572.  
  573. #define FB_PIXMAP_DEFAULT 1     /* used internally by fbcon */
  574. #define FB_PIXMAP_SYSTEM  2     /* memory is in system RAM  */
  575. #define FB_PIXMAP_IO      4     /* memory is iomapped       */
  576. #define FB_PIXMAP_SYNC    256   /* set if GPU can DMA       */
  577.  
  578. struct fb_pixmap {
  579.         u8  *addr;              /* pointer to memory                    */
  580.         u32 size;               /* size of buffer in bytes              */
  581.         u32 offset;             /* current offset to buffer             */
  582.         u32 buf_align;          /* byte alignment of each bitmap        */
  583.         u32 scan_align;         /* alignment per scanline               */
  584.         u32 access_align;       /* alignment per read/write (bits)      */
  585.         u32 flags;              /* see FB_PIXMAP_*                      */
  586.         u32 blit_x;             /* supported bit block dimensions (1-32)*/
  587.         u32 blit_y;             /* Format: blit_x = 1 << (width - 1)    */
  588.                                 /*         blit_y = 1 << (height - 1)   */
  589.                                 /* if 0, will be set to 0xffffffff (all)*/
  590.         /* access methods */
  591.         void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size);
  592.         void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size);
  593. };
  594.  
  595. #ifdef CONFIG_FB_DEFERRED_IO
  596. struct fb_deferred_io {
  597.         /* delay between mkwrite and deferred handler */
  598.         unsigned long delay;
  599.         struct mutex lock; /* mutex that protects the page list */
  600.         struct list_head pagelist; /* list of touched pages */
  601.         /* callback */
  602.         void (*deferred_io)(struct fb_info *info, struct list_head *pagelist);
  603. };
  604. #endif
  605.  
  606. /*
  607.  * Frame buffer operations
  608.  *
  609.  * LOCKING NOTE: those functions must _ALL_ be called with the console
  610.  * semaphore held, this is the only suitable locking mechanism we have
  611.  * in 2.6. Some may be called at interrupt time at this point though.
  612.  *
  613.  * The exception to this is the debug related hooks.  Putting the fb
  614.  * into a debug state (e.g. flipping to the kernel console) and restoring
  615.  * it must be done in a lock-free manner, so low level drivers should
  616.  * keep track of the initial console (if applicable) and may need to
  617.  * perform direct, unlocked hardware writes in these hooks.
  618.  */
  619.  
  620. struct fb_ops {
  621.         /* open/release and usage marking */
  622.         struct module *owner;
  623.         int (*fb_open)(struct fb_info *info, int user);
  624.         int (*fb_release)(struct fb_info *info, int user);
  625.  
  626.         /* For framebuffers with strange non linear layouts or that do not
  627.          * work with normal memory mapped access
  628.          */
  629.         ssize_t (*fb_read)(struct fb_info *info, char __user *buf,
  630.                            size_t count, loff_t *ppos);
  631.         ssize_t (*fb_write)(struct fb_info *info, const char __user *buf,
  632.                             size_t count, loff_t *ppos);
  633.  
  634.         /* checks var and eventually tweaks it to something supported,
  635.          * DO NOT MODIFY PAR */
  636.         int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info);
  637.  
  638.         /* set the video mode according to info->var */
  639.         int (*fb_set_par)(struct fb_info *info);
  640.  
  641.         /* set color register */
  642.         int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green,
  643.                             unsigned blue, unsigned transp, struct fb_info *info);
  644.  
  645.         /* set color registers in batch */
  646.         int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info);
  647.  
  648.         /* blank display */
  649.         int (*fb_blank)(int blank, struct fb_info *info);
  650.  
  651.         /* pan display */
  652.         int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info);
  653.  
  654.         /* Draws a rectangle */
  655.         void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect);
  656.         /* Copy data from area to another */
  657.         void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region);
  658.         /* Draws a image to the display */
  659.         void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image);
  660.  
  661.         /* Draws cursor */
  662.         int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor);
  663.  
  664.         /* Rotates the display */
  665.         void (*fb_rotate)(struct fb_info *info, int angle);
  666.  
  667.         /* wait for blit idle, optional */
  668.         int (*fb_sync)(struct fb_info *info);
  669.  
  670.         /* perform fb specific ioctl (optional) */
  671.         int (*fb_ioctl)(struct fb_info *info, unsigned int cmd,
  672.                         unsigned long arg);
  673.  
  674.         /* Handle 32bit compat ioctl (optional) */
  675.         int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd,
  676.                         unsigned long arg);
  677.  
  678.         /* perform fb specific mmap */
  679. //   int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma);
  680.  
  681.         /* get capability given var */
  682.         void (*fb_get_caps)(struct fb_info *info, struct fb_blit_caps *caps,
  683.                             struct fb_var_screeninfo *var);
  684.  
  685.         /* teardown any resources to do with this framebuffer */
  686.         void (*fb_destroy)(struct fb_info *info);
  687. };
  688.  
  689. #ifdef CONFIG_FB_TILEBLITTING
  690. #define FB_TILE_CURSOR_NONE        0
  691. #define FB_TILE_CURSOR_UNDERLINE   1
  692. #define FB_TILE_CURSOR_LOWER_THIRD 2
  693. #define FB_TILE_CURSOR_LOWER_HALF  3
  694. #define FB_TILE_CURSOR_TWO_THIRDS  4
  695. #define FB_TILE_CURSOR_BLOCK       5
  696.  
  697. struct fb_tilemap {
  698.         __u32 width;                /* width of each tile in pixels */
  699.         __u32 height;               /* height of each tile in scanlines */
  700.         __u32 depth;                /* color depth of each tile */
  701.         __u32 length;               /* number of tiles in the map */
  702.         const __u8 *data;           /* actual tile map: a bitmap array, packed
  703.                                        to the nearest byte */
  704. };
  705.  
  706. struct fb_tilerect {
  707.         __u32 sx;                   /* origin in the x-axis */
  708.         __u32 sy;                   /* origin in the y-axis */
  709.         __u32 width;                /* number of tiles in the x-axis */
  710.         __u32 height;               /* number of tiles in the y-axis */
  711.         __u32 index;                /* what tile to use: index to tile map */
  712.         __u32 fg;                   /* foreground color */
  713.         __u32 bg;                   /* background color */
  714.         __u32 rop;                  /* raster operation */
  715. };
  716.  
  717. struct fb_tilearea {
  718.         __u32 sx;                   /* source origin in the x-axis */
  719.         __u32 sy;                   /* source origin in the y-axis */
  720.         __u32 dx;                   /* destination origin in the x-axis */
  721.         __u32 dy;                   /* destination origin in the y-axis */
  722.         __u32 width;                /* number of tiles in the x-axis */
  723.         __u32 height;               /* number of tiles in the y-axis */
  724. };
  725.  
  726. struct fb_tileblit {
  727.         __u32 sx;                   /* origin in the x-axis */
  728.         __u32 sy;                   /* origin in the y-axis */
  729.         __u32 width;                /* number of tiles in the x-axis */
  730.         __u32 height;               /* number of tiles in the y-axis */
  731.         __u32 fg;                   /* foreground color */
  732.         __u32 bg;                   /* background color */
  733.         __u32 length;               /* number of tiles to draw */
  734.         __u32 *indices;             /* array of indices to tile map */
  735. };
  736.  
  737. struct fb_tilecursor {
  738.         __u32 sx;                   /* cursor position in the x-axis */
  739.         __u32 sy;                   /* cursor position in the y-axis */
  740.         __u32 mode;                 /* 0 = erase, 1 = draw */
  741.         __u32 shape;                /* see FB_TILE_CURSOR_* */
  742.         __u32 fg;                   /* foreground color */
  743.         __u32 bg;                   /* background color */
  744. };
  745.  
  746. struct fb_tile_ops {
  747.         /* set tile characteristics */
  748.         void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map);
  749.  
  750.         /* all dimensions from hereon are in terms of tiles */
  751.  
  752.         /* move a rectangular region of tiles from one area to another*/
  753.         void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area);
  754.         /* fill a rectangular region with a tile */
  755.         void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect);
  756.         /* copy an array of tiles */
  757.         void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit);
  758.         /* cursor */
  759.         void (*fb_tilecursor)(struct fb_info *info,
  760.                               struct fb_tilecursor *cursor);
  761.         /* get maximum length of the tile map */
  762.         int (*fb_get_tilemax)(struct fb_info *info);
  763. };
  764. #endif /* CONFIG_FB_TILEBLITTING */
  765.  
  766. /* FBINFO_* = fb_info.flags bit flags */
  767. #define FBINFO_MODULE           0x0001  /* Low-level driver is a module */
  768. #define FBINFO_HWACCEL_DISABLED 0x0002
  769.         /* When FBINFO_HWACCEL_DISABLED is set:
  770.          *  Hardware acceleration is turned off.  Software implementations
  771.          *  of required functions (copyarea(), fillrect(), and imageblit())
  772.          *  takes over; acceleration engine should be in a quiescent state */
  773.  
  774. /* hints */
  775. #define FBINFO_VIRTFB           0x0004 /* FB is System RAM, not device. */
  776. #define FBINFO_PARTIAL_PAN_OK   0x0040 /* otw use pan only for double-buffering */
  777. #define FBINFO_READS_FAST       0x0080 /* soft-copy faster than rendering */
  778.  
  779. /* hardware supported ops */
  780. /*  semantics: when a bit is set, it indicates that the operation is
  781.  *   accelerated by hardware.
  782.  *  required functions will still work even if the bit is not set.
  783.  *  optional functions may not even exist if the flag bit is not set.
  784.  */
  785. #define FBINFO_HWACCEL_NONE             0x0000
  786. #define FBINFO_HWACCEL_COPYAREA         0x0100 /* required */
  787. #define FBINFO_HWACCEL_FILLRECT         0x0200 /* required */
  788. #define FBINFO_HWACCEL_IMAGEBLIT        0x0400 /* required */
  789. #define FBINFO_HWACCEL_ROTATE           0x0800 /* optional */
  790. #define FBINFO_HWACCEL_XPAN             0x1000 /* optional */
  791. #define FBINFO_HWACCEL_YPAN             0x2000 /* optional */
  792. #define FBINFO_HWACCEL_YWRAP            0x4000 /* optional */
  793.  
  794. #define FBINFO_MISC_USEREVENT          0x10000 /* event request
  795.                                                   from userspace */
  796. #define FBINFO_MISC_TILEBLITTING       0x20000 /* use tile blitting */
  797.  
  798. /* A driver may set this flag to indicate that it does want a set_par to be
  799.  * called every time when fbcon_switch is executed. The advantage is that with
  800.  * this flag set you can really be sure that set_par is always called before
  801.  * any of the functions dependent on the correct hardware state or altering
  802.  * that state, even if you are using some broken X releases. The disadvantage
  803.  * is that it introduces unwanted delays to every console switch if set_par
  804.  * is slow. It is a good idea to try this flag in the drivers initialization
  805.  * code whenever there is a bug report related to switching between X and the
  806.  * framebuffer console.
  807.  */
  808. #define FBINFO_MISC_ALWAYS_SETPAR   0x40000
  809.  
  810. /* where the fb is a firmware driver, and can be replaced with a proper one */
  811. #define FBINFO_MISC_FIRMWARE        0x80000
  812. /*
  813.  * Host and GPU endianness differ.
  814.  */
  815. #define FBINFO_FOREIGN_ENDIAN   0x100000
  816. /*
  817.  * Big endian math. This is the same flags as above, but with different
  818.  * meaning, it is set by the fb subsystem depending FOREIGN_ENDIAN flag
  819.  * and host endianness. Drivers should not use this flag.
  820.  */
  821. #define FBINFO_BE_MATH  0x100000
  822.  
  823. /* report to the VT layer that this fb driver can accept forced console
  824.    output like oopses */
  825. #define FBINFO_CAN_FORCE_OUTPUT     0x200000
  826.  
  827. struct fb_info {
  828.         atomic_t count;
  829.         int node;
  830.         int flags;
  831.         struct mutex lock;              /* Lock for open/release/ioctl funcs */
  832.         struct mutex mm_lock;           /* Lock for fb_mmap and smem_* fields */
  833.    struct fb_var_screeninfo var;   /* Current var */
  834.    struct fb_fix_screeninfo fix;   /* Current fix */
  835.         struct fb_monspecs monspecs;    /* Current Monitor specs */
  836. //   struct work_struct queue;   /* Framebuffer event queue */
  837. //   struct fb_pixmap pixmap;    /* Image hardware mapper */
  838. //   struct fb_pixmap sprite;    /* Cursor hardware mapper */
  839. //   struct fb_cmap cmap;        /* Current cmap */
  840.         struct list_head modelist;      /* mode list */
  841.         struct fb_videomode *mode;      /* current mode */
  842.  
  843. #ifdef CONFIG_FB_BACKLIGHT
  844.         /* assigned backlight device */
  845.         /* set before framebuffer registration,
  846.            remove after unregister */
  847.         struct backlight_device *bl_dev;
  848.  
  849.         /* Backlight level curve */
  850.         struct mutex bl_curve_mutex;
  851.         u8 bl_curve[FB_BACKLIGHT_LEVELS];
  852. #endif
  853. #ifdef CONFIG_FB_DEFERRED_IO
  854.         struct delayed_work deferred_work;
  855.         struct fb_deferred_io *fbdefio;
  856. #endif
  857.  
  858.         struct fb_ops *fbops;
  859.         struct device *device;          /* This is the parent */
  860.         struct device *dev;             /* This is this fb device */
  861.         int class_flag;                    /* private sysfs flags */
  862. #ifdef CONFIG_FB_TILEBLITTING
  863.         struct fb_tile_ops *tileops;    /* Tile Blitting */
  864. #endif
  865.         char __iomem *screen_base;      /* Virtual address */
  866.         unsigned long screen_size;      /* Amount of ioremapped VRAM or 0 */
  867.         void *pseudo_palette;           /* Fake palette of 16 colors */
  868. #define FBINFO_STATE_RUNNING    0
  869. #define FBINFO_STATE_SUSPENDED  1
  870.         u32 state;                      /* Hardware state i.e suspend */
  871.         void *fbcon_par;                /* fbcon use-only private area */
  872.         /* From here on everything is device dependent */
  873.         void *par;
  874.         /* we need the PCI or similar aperture base/size not
  875.            smem_start/size as smem_start may just be an object
  876.            allocated inside the aperture so may not actually overlap */
  877.         struct apertures_struct {
  878.                 unsigned int count;
  879.                 struct aperture {
  880.                         resource_size_t base;
  881.                         resource_size_t size;
  882.                 } ranges[0];
  883.         } *apertures;
  884. };
  885.  
  886. static inline struct apertures_struct *alloc_apertures(unsigned int max_num) {
  887.         struct apertures_struct *a = kzalloc(sizeof(struct apertures_struct)
  888.                         + max_num * sizeof(struct aperture), GFP_KERNEL);
  889.         if (!a)
  890.                 return NULL;
  891.         a->count = max_num;
  892.         return a;
  893. }
  894.  
  895. #ifdef MODULE
  896. #define FBINFO_DEFAULT  FBINFO_MODULE
  897. #else
  898. #define FBINFO_DEFAULT  0
  899. #endif
  900.  
  901. // This will go away
  902. #define FBINFO_FLAG_MODULE      FBINFO_MODULE
  903. #define FBINFO_FLAG_DEFAULT     FBINFO_DEFAULT
  904.  
  905. /* This will go away
  906.  * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags
  907.  * when it wants to turn the acceleration engine on.  This is
  908.  * really a separate operation, and should be modified via sysfs.
  909.  *  But for now, we leave it broken with the following define
  910.  */
  911. #define STUPID_ACCELF_TEXT_SHIT
  912.  
  913. // This will go away
  914. #if defined(__sparc__)
  915.  
  916. /* We map all of our framebuffers such that big-endian accesses
  917.  * are what we want, so the following is sufficient.
  918.  */
  919.  
  920. // This will go away
  921. #define fb_readb sbus_readb
  922. #define fb_readw sbus_readw
  923. #define fb_readl sbus_readl
  924. #define fb_readq sbus_readq
  925. #define fb_writeb sbus_writeb
  926. #define fb_writew sbus_writew
  927. #define fb_writel sbus_writel
  928. #define fb_writeq sbus_writeq
  929. #define fb_memset sbus_memset_io
  930. #define fb_memcpy_fromfb sbus_memcpy_fromio
  931. #define fb_memcpy_tofb sbus_memcpy_toio
  932.  
  933. #elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || defined(__avr32__) || defined(__bfin__)
  934.  
  935. #define fb_readb __raw_readb
  936. #define fb_readw __raw_readw
  937. #define fb_readl __raw_readl
  938. #define fb_readq __raw_readq
  939. #define fb_writeb __raw_writeb
  940. #define fb_writew __raw_writew
  941. #define fb_writel __raw_writel
  942. #define fb_writeq __raw_writeq
  943. #define fb_memset memset_io
  944. #define fb_memcpy_fromfb memcpy_fromio
  945. #define fb_memcpy_tofb memcpy_toio
  946.  
  947. #else
  948.  
  949. #define fb_readb(addr) (*(volatile u8 *) (addr))
  950. #define fb_readw(addr) (*(volatile u16 *) (addr))
  951. #define fb_readl(addr) (*(volatile u32 *) (addr))
  952. #define fb_readq(addr) (*(volatile u64 *) (addr))
  953. #define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b))
  954. #define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b))
  955. #define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b))
  956. #define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b))
  957. #define fb_memset memset
  958. #define fb_memcpy_fromfb memcpy
  959. #define fb_memcpy_tofb memcpy
  960.  
  961. #endif
  962.  
  963. #define FB_LEFT_POS(p, bpp)          (fb_be_math(p) ? (32 - (bpp)) : 0)
  964. #define FB_SHIFT_HIGH(p, val, bits)  (fb_be_math(p) ? (val) >> (bits) : \
  965.                                                       (val) << (bits))
  966. #define FB_SHIFT_LOW(p, val, bits)   (fb_be_math(p) ? (val) << (bits) : \
  967.                                                       (val) >> (bits))
  968.  
  969.     /*
  970.      *  `Generic' versions of the frame buffer device operations
  971.      */
  972.  
  973. extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var);
  974. extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var);
  975. extern int fb_blank(struct fb_info *info, int blank);
  976. extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
  977. extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area);
  978. extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image);
  979. /*
  980.  * Drawing operations where framebuffer is in system RAM
  981.  */
  982. extern void sys_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
  983. extern void sys_copyarea(struct fb_info *info, const struct fb_copyarea *area);
  984. extern void sys_imageblit(struct fb_info *info, const struct fb_image *image);
  985. extern ssize_t fb_sys_read(struct fb_info *info, char __user *buf,
  986.                            size_t count, loff_t *ppos);
  987. extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf,
  988.                             size_t count, loff_t *ppos);
  989.  
  990. /* drivers/video/fbmem.c */
  991. extern int register_framebuffer(struct fb_info *fb_info);
  992. extern int unregister_framebuffer(struct fb_info *fb_info);
  993. extern void remove_conflicting_framebuffers(struct apertures_struct *a,
  994.                                 const char *name, bool primary);
  995. extern int fb_prepare_logo(struct fb_info *fb_info, int rotate);
  996. extern int fb_show_logo(struct fb_info *fb_info, int rotate);
  997. extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size);
  998. extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx,
  999.                                 u32 height, u32 shift_high, u32 shift_low, u32 mod);
  1000. extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height);
  1001. extern void fb_set_suspend(struct fb_info *info, int state);
  1002. extern int fb_get_color_depth(struct fb_var_screeninfo *var,
  1003.                               struct fb_fix_screeninfo *fix);
  1004. extern int fb_get_options(char *name, char **option);
  1005. extern int fb_new_modelist(struct fb_info *info);
  1006.  
  1007. extern struct fb_info *registered_fb[FB_MAX];
  1008. extern int num_registered_fb;
  1009. extern struct class *fb_class;
  1010.  
  1011. extern int lock_fb_info(struct fb_info *info);
  1012.  
  1013. static inline void unlock_fb_info(struct fb_info *info)
  1014. {
  1015.         mutex_unlock(&info->lock);
  1016. }
  1017.  
  1018. static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch,
  1019.                                            u8 *src, u32 s_pitch, u32 height)
  1020. {
  1021.         int i, j;
  1022.  
  1023.         d_pitch -= s_pitch;
  1024.  
  1025.         for (i = height; i--; ) {
  1026.                 /* s_pitch is a few bytes at the most, memcpy is suboptimal */
  1027.                 for (j = 0; j < s_pitch; j++)
  1028.                         *dst++ = *src++;
  1029.                 dst += d_pitch;
  1030.         }
  1031. }
  1032.  
  1033. /* drivers/video/fb_defio.c */
  1034.  
  1035. static inline bool fb_be_math(struct fb_info *info)
  1036. {
  1037. #ifdef CONFIG_FB_FOREIGN_ENDIAN
  1038. #if defined(CONFIG_FB_BOTH_ENDIAN)
  1039.         return info->flags & FBINFO_BE_MATH;
  1040. #elif defined(CONFIG_FB_BIG_ENDIAN)
  1041.         return true;
  1042. #elif defined(CONFIG_FB_LITTLE_ENDIAN)
  1043.         return false;
  1044. #endif /* CONFIG_FB_BOTH_ENDIAN */
  1045. #else
  1046. #ifdef __BIG_ENDIAN
  1047.         return true;
  1048. #else
  1049.         return false;
  1050. #endif /* __BIG_ENDIAN */
  1051. #endif /* CONFIG_FB_FOREIGN_ENDIAN */
  1052. }
  1053.  
  1054. /* drivers/video/fbsysfs.c */
  1055. //extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev);
  1056. //extern void framebuffer_release(struct fb_info *info);
  1057. //extern int fb_init_device(struct fb_info *fb_info);
  1058. //extern void fb_cleanup_device(struct fb_info *head);
  1059. //extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max);
  1060.  
  1061. /* drivers/video/fbmon.c */
  1062. #define FB_MAXTIMINGS           0
  1063. #define FB_VSYNCTIMINGS         1
  1064. #define FB_HSYNCTIMINGS         2
  1065. #define FB_DCLKTIMINGS          3
  1066. #define FB_IGNOREMON            0x100
  1067.  
  1068. #define FB_MODE_IS_UNKNOWN      0
  1069. #define FB_MODE_IS_DETAILED     1
  1070. #define FB_MODE_IS_STANDARD     2
  1071. #define FB_MODE_IS_VESA         4
  1072. #define FB_MODE_IS_CALCULATED   8
  1073. #define FB_MODE_IS_FIRST        16
  1074. #define FB_MODE_IS_FROM_VAR     32
  1075.  
  1076. extern int fbmon_dpms(const struct fb_info *fb_info);
  1077. extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var,
  1078.                        struct fb_info *info);
  1079. extern int fb_validate_mode(const struct fb_var_screeninfo *var,
  1080.                             struct fb_info *info);
  1081. extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var);
  1082. //extern const unsigned char *fb_firmware_edid(struct device *device);
  1083. extern void fb_edid_to_monspecs(unsigned char *edid,
  1084.                                 struct fb_monspecs *specs);
  1085. extern void fb_destroy_modedb(struct fb_videomode *modedb);
  1086. extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb);
  1087. extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter);
  1088.  
  1089. /* drivers/video/modedb.c */
  1090. #define VESA_MODEDB_SIZE 34
  1091. extern void fb_var_to_videomode(struct fb_videomode *mode,
  1092.                                 const struct fb_var_screeninfo *var);
  1093. extern void fb_videomode_to_var(struct fb_var_screeninfo *var,
  1094.                                 const struct fb_videomode *mode);
  1095. extern int fb_mode_is_equal(const struct fb_videomode *mode1,
  1096.                             const struct fb_videomode *mode2);
  1097. extern int fb_add_videomode(const struct fb_videomode *mode,
  1098.                             struct list_head *head);
  1099. extern void fb_delete_videomode(const struct fb_videomode *mode,
  1100.                                 struct list_head *head);
  1101. extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var,
  1102.                                                 struct list_head *head);
  1103. extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var,
  1104.                                                     struct list_head *head);
  1105. extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode,
  1106.                                                        struct list_head *head);
  1107. extern void fb_destroy_modelist(struct list_head *head);
  1108. extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num,
  1109.                                      struct list_head *head);
  1110. extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs,
  1111.                                                        struct list_head *head);
  1112.  
  1113. /* drivers/video/fbcmap.c */
  1114. extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
  1115. extern void fb_dealloc_cmap(struct fb_cmap *cmap);
  1116. extern int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to);
  1117. extern int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to);
  1118. extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info);
  1119. extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info);
  1120. extern const struct fb_cmap *fb_default_cmap(int len);
  1121. extern void fb_invert_cmaps(void);
  1122.  
  1123. struct fb_videomode {
  1124.         const char *name;       /* optional */
  1125.         u32 refresh;            /* optional */
  1126.         u32 xres;
  1127.         u32 yres;
  1128.         u32 pixclock;
  1129.         u32 left_margin;
  1130.         u32 right_margin;
  1131.         u32 upper_margin;
  1132.         u32 lower_margin;
  1133.         u32 hsync_len;
  1134.         u32 vsync_len;
  1135.         u32 sync;
  1136.         u32 vmode;
  1137.         u32 flag;
  1138. };
  1139.  
  1140. extern const char *fb_mode_option;
  1141. extern const struct fb_videomode vesa_modes[];
  1142.  
  1143. struct fb_modelist {
  1144.         struct list_head list;
  1145.         struct fb_videomode mode;
  1146. };
  1147.  
  1148. extern int fb_find_mode(struct fb_var_screeninfo *var,
  1149.                         struct fb_info *info, const char *mode_option,
  1150.                         const struct fb_videomode *db,
  1151.                         unsigned int dbsize,
  1152.                         const struct fb_videomode *default_mode,
  1153.                         unsigned int default_bpp);
  1154.  
  1155. #endif /* _LINUX_FB_H */
  1156.