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