diff options
Diffstat (limited to 'include/linux/fb.h')
| -rw-r--r-- | include/linux/fb.h | 1175 |
1 files changed, 1175 insertions, 0 deletions
diff --git a/include/linux/fb.h b/include/linux/fb.h new file mode 100644 index 00000000..f9d013d0 --- /dev/null +++ b/include/linux/fb.h @@ -0,0 +1,1175 @@ +#ifndef _LINUX_FB_H +#define _LINUX_FB_H + +#include <linux/types.h> +#include <linux/i2c.h> +#ifdef __KERNEL__ +#include <linux/kgdb.h> +#endif /* __KERNEL__ */ + +/* Definitions of frame buffers */ + +#define FB_MAX 32 /* sufficient for now */ + +/* ioctls + 0x46 is 'F' */ +#define FBIOGET_VSCREENINFO 0x4600 +#define FBIOPUT_VSCREENINFO 0x4601 +#define FBIOGET_FSCREENINFO 0x4602 +#define FBIOGETCMAP 0x4604 +#define FBIOPUTCMAP 0x4605 +#define FBIOPAN_DISPLAY 0x4606 +#ifdef __KERNEL__ +#define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor_user) +#else +#define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor) +#endif +/* 0x4607-0x460B are defined below */ +/* #define FBIOGET_MONITORSPEC 0x460C */ +/* #define FBIOPUT_MONITORSPEC 0x460D */ +/* #define FBIOSWITCH_MONIBIT 0x460E */ +#define FBIOGET_CON2FBMAP 0x460F +#define FBIOPUT_CON2FBMAP 0x4610 +#define FBIOBLANK 0x4611 /* arg: 0 or vesa level + 1 */ +#define FBIOGET_VBLANK _IOR('F', 0x12, struct fb_vblank) +#define FBIO_ALLOC 0x4613 +#define FBIO_FREE 0x4614 +#define FBIOGET_GLYPH 0x4615 +#define FBIOGET_HWCINFO 0x4616 +#define FBIOPUT_MODEINFO 0x4617 +#define FBIOGET_DISPINFO 0x4618 +#define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32) + +#define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */ +#define FB_TYPE_PLANES 1 /* Non interleaved planes */ +#define FB_TYPE_INTERLEAVED_PLANES 2 /* Interleaved planes */ +#define FB_TYPE_TEXT 3 /* Text/attributes */ +#define FB_TYPE_VGA_PLANES 4 /* EGA/VGA planes */ + +#define FB_AUX_TEXT_MDA 0 /* Monochrome text */ +#define FB_AUX_TEXT_CGA 1 /* CGA/EGA/VGA Color text */ +#define FB_AUX_TEXT_S3_MMIO 2 /* S3 MMIO fasttext */ +#define FB_AUX_TEXT_MGA_STEP16 3 /* MGA Millenium I: text, attr, 14 reserved bytes */ +#define FB_AUX_TEXT_MGA_STEP8 4 /* other MGAs: text, attr, 6 reserved bytes */ +#define FB_AUX_TEXT_SVGA_GROUP 8 /* 8-15: SVGA tileblit compatible modes */ +#define FB_AUX_TEXT_SVGA_MASK 7 /* lower three bits says step */ +#define FB_AUX_TEXT_SVGA_STEP2 8 /* SVGA text mode: text, attr */ +#define FB_AUX_TEXT_SVGA_STEP4 9 /* SVGA text mode: text, attr, 2 reserved bytes */ +#define FB_AUX_TEXT_SVGA_STEP8 10 /* SVGA text mode: text, attr, 6 reserved bytes */ +#define FB_AUX_TEXT_SVGA_STEP16 11 /* SVGA text mode: text, attr, 14 reserved bytes */ +#define FB_AUX_TEXT_SVGA_LAST 15 /* reserved up to 15 */ + +#define FB_AUX_VGA_PLANES_VGA4 0 /* 16 color planes (EGA/VGA) */ +#define FB_AUX_VGA_PLANES_CFB4 1 /* CFB4 in planes (VGA) */ +#define FB_AUX_VGA_PLANES_CFB8 2 /* CFB8 in planes (VGA) */ + +#define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */ +#define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */ +#define FB_VISUAL_TRUECOLOR 2 /* True color */ +#define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */ +#define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */ +#define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */ + +#define FB_ACCEL_NONE 0 /* no hardware accelerator */ +#define FB_ACCEL_ATARIBLITT 1 /* Atari Blitter */ +#define FB_ACCEL_AMIGABLITT 2 /* Amiga Blitter */ +#define FB_ACCEL_S3_TRIO64 3 /* Cybervision64 (S3 Trio64) */ +#define FB_ACCEL_NCR_77C32BLT 4 /* RetinaZ3 (NCR 77C32BLT) */ +#define FB_ACCEL_S3_VIRGE 5 /* Cybervision64/3D (S3 ViRGE) */ +#define FB_ACCEL_ATI_MACH64GX 6 /* ATI Mach 64GX family */ +#define FB_ACCEL_DEC_TGA 7 /* DEC 21030 TGA */ +#define FB_ACCEL_ATI_MACH64CT 8 /* ATI Mach 64CT family */ +#define FB_ACCEL_ATI_MACH64VT 9 /* ATI Mach 64CT family VT class */ +#define FB_ACCEL_ATI_MACH64GT 10 /* ATI Mach 64CT family GT class */ +#define FB_ACCEL_SUN_CREATOR 11 /* Sun Creator/Creator3D */ +#define FB_ACCEL_SUN_CGSIX 12 /* Sun cg6 */ +#define FB_ACCEL_SUN_LEO 13 /* Sun leo/zx */ +#define FB_ACCEL_IMS_TWINTURBO 14 /* IMS Twin Turbo */ +#define FB_ACCEL_3DLABS_PERMEDIA2 15 /* 3Dlabs Permedia 2 */ +#define FB_ACCEL_MATROX_MGA2064W 16 /* Matrox MGA2064W (Millenium) */ +#define FB_ACCEL_MATROX_MGA1064SG 17 /* Matrox MGA1064SG (Mystique) */ +#define FB_ACCEL_MATROX_MGA2164W 18 /* Matrox MGA2164W (Millenium II) */ +#define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */ +#define FB_ACCEL_MATROX_MGAG100 20 /* Matrox G100 (Productiva G100) */ +#define FB_ACCEL_MATROX_MGAG200 21 /* Matrox G200 (Myst, Mill, ...) */ +#define FB_ACCEL_SUN_CG14 22 /* Sun cgfourteen */ +#define FB_ACCEL_SUN_BWTWO 23 /* Sun bwtwo */ +#define FB_ACCEL_SUN_CGTHREE 24 /* Sun cgthree */ +#define FB_ACCEL_SUN_TCX 25 /* Sun tcx */ +#define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */ +#define FB_ACCEL_NV3 27 /* nVidia RIVA 128 */ +#define FB_ACCEL_NV4 28 /* nVidia RIVA TNT */ +#define FB_ACCEL_NV5 29 /* nVidia RIVA TNT2 */ +#define FB_ACCEL_CT_6555x 30 /* C&T 6555x */ +#define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */ +#define FB_ACCEL_ATI_RAGE128 32 /* ATI Rage128 family */ +#define FB_ACCEL_IGS_CYBER2000 33 /* CyberPro 2000 */ +#define FB_ACCEL_IGS_CYBER2010 34 /* CyberPro 2010 */ +#define FB_ACCEL_IGS_CYBER5000 35 /* CyberPro 5000 */ +#define FB_ACCEL_SIS_GLAMOUR 36 /* SiS 300/630/540 */ +#define FB_ACCEL_3DLABS_PERMEDIA3 37 /* 3Dlabs Permedia 3 */ +#define FB_ACCEL_ATI_RADEON 38 /* ATI Radeon family */ +#define FB_ACCEL_I810 39 /* Intel 810/815 */ +#define FB_ACCEL_SIS_GLAMOUR_2 40 /* SiS 315, 650, 740 */ +#define FB_ACCEL_SIS_XABRE 41 /* SiS 330 ("Xabre") */ +#define FB_ACCEL_I830 42 /* Intel 830M/845G/85x/865G */ +#define FB_ACCEL_NV_10 43 /* nVidia Arch 10 */ +#define FB_ACCEL_NV_20 44 /* nVidia Arch 20 */ +#define FB_ACCEL_NV_30 45 /* nVidia Arch 30 */ +#define FB_ACCEL_NV_40 46 /* nVidia Arch 40 */ +#define FB_ACCEL_XGI_VOLARI_V 47 /* XGI Volari V3XT, V5, V8 */ +#define FB_ACCEL_XGI_VOLARI_Z 48 /* XGI Volari Z7 */ +#define FB_ACCEL_OMAP1610 49 /* TI OMAP16xx */ +#define FB_ACCEL_TRIDENT_TGUI 50 /* Trident TGUI */ +#define FB_ACCEL_TRIDENT_3DIMAGE 51 /* Trident 3DImage */ +#define FB_ACCEL_TRIDENT_BLADE3D 52 /* Trident Blade3D */ +#define FB_ACCEL_TRIDENT_BLADEXP 53 /* Trident BladeXP */ +#define FB_ACCEL_CIRRUS_ALPINE 53 /* Cirrus Logic 543x/544x/5480 */ +#define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */ +#define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */ +#define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */ +#define FB_ACCEL_NEOMAGIC_NM2097 93 /* NeoMagic NM2097 */ +#define FB_ACCEL_NEOMAGIC_NM2160 94 /* NeoMagic NM2160 */ +#define FB_ACCEL_NEOMAGIC_NM2200 95 /* NeoMagic NM2200 */ +#define FB_ACCEL_NEOMAGIC_NM2230 96 /* NeoMagic NM2230 */ +#define FB_ACCEL_NEOMAGIC_NM2360 97 /* NeoMagic NM2360 */ +#define FB_ACCEL_NEOMAGIC_NM2380 98 /* NeoMagic NM2380 */ +#define FB_ACCEL_PXA3XX 99 /* PXA3xx */ + +#define FB_ACCEL_SAVAGE4 0x80 /* S3 Savage4 */ +#define FB_ACCEL_SAVAGE3D 0x81 /* S3 Savage3D */ +#define FB_ACCEL_SAVAGE3D_MV 0x82 /* S3 Savage3D-MV */ +#define FB_ACCEL_SAVAGE2000 0x83 /* S3 Savage2000 */ +#define FB_ACCEL_SAVAGE_MX_MV 0x84 /* S3 Savage/MX-MV */ +#define FB_ACCEL_SAVAGE_MX 0x85 /* S3 Savage/MX */ +#define FB_ACCEL_SAVAGE_IX_MV 0x86 /* S3 Savage/IX-MV */ +#define FB_ACCEL_SAVAGE_IX 0x87 /* S3 Savage/IX */ +#define FB_ACCEL_PROSAVAGE_PM 0x88 /* S3 ProSavage PM133 */ +#define FB_ACCEL_PROSAVAGE_KM 0x89 /* S3 ProSavage KM133 */ +#define FB_ACCEL_S3TWISTER_P 0x8a /* S3 Twister */ +#define FB_ACCEL_S3TWISTER_K 0x8b /* S3 TwisterK */ +#define FB_ACCEL_SUPERSAVAGE 0x8c /* S3 Supersavage */ +#define FB_ACCEL_PROSAVAGE_DDR 0x8d /* S3 ProSavage DDR */ +#define FB_ACCEL_PROSAVAGE_DDRK 0x8e /* S3 ProSavage DDR-K */ + +#define FB_ACCEL_PUV3_UNIGFX 0xa0 /* PKUnity-v3 Unigfx */ + +struct fb_fix_screeninfo { + char id[16]; /* identification string eg "TT Builtin" */ + unsigned long smem_start; /* Start of frame buffer mem */ + /* (physical address) */ + __u32 smem_len; /* Length of frame buffer mem */ + __u32 type; /* see FB_TYPE_* */ + __u32 type_aux; /* Interleave for interleaved Planes */ + __u32 visual; /* see FB_VISUAL_* */ + __u16 xpanstep; /* zero if no hardware panning */ + __u16 ypanstep; /* zero if no hardware panning */ + __u16 ywrapstep; /* zero if no hardware ywrap */ + __u32 line_length; /* length of a line in bytes */ + unsigned long mmio_start; /* Start of Memory Mapped I/O */ + /* (physical address) */ + __u32 mmio_len; /* Length of Memory Mapped I/O */ + __u32 accel; /* Indicate to driver which */ + /* specific chip/card we have */ + __u16 reserved[3]; /* Reserved for future compatibility */ +}; + +/* Interpretation of offset for color fields: All offsets are from the right, + * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you + * can use the offset as right argument to <<). A pixel afterwards is a bit + * stream and is written to video memory as that unmodified. + * + * For pseudocolor: offset and length should be the same for all color + * components. Offset specifies the position of the least significant bit + * of the pallette index in a pixel value. Length indicates the number + * of available palette entries (i.e. # of entries = 1 << length). + */ +struct fb_bitfield { + __u32 offset; /* beginning of bitfield */ + __u32 length; /* length of bitfield */ + __u32 msb_right; /* != 0 : Most significant bit is */ + /* right */ +}; + +#define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */ +#define FB_NONSTD_REV_PIX_IN_B 2 /* order of pixels in each byte is reversed */ + +#define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/ +#define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */ +#define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */ +#define FB_ACTIVATE_MASK 15 + /* values */ +#define FB_ACTIVATE_VBL 16 /* activate values on next vbl */ +#define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */ +#define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */ +#define FB_ACTIVATE_FORCE 128 /* force apply even when no change*/ +#define FB_ACTIVATE_INV_MODE 256 /* invalidate videomode */ + +#define FB_ACCELF_TEXT 1 /* (OBSOLETE) see fb_info.flags and vc_mode */ + +#define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */ +#define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */ +#define FB_SYNC_EXT 4 /* external sync */ +#define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */ +#define FB_SYNC_BROADCAST 16 /* broadcast video timings */ + /* vtotal = 144d/288n/576i => PAL */ + /* vtotal = 121d/242n/484i => NTSC */ +#define FB_SYNC_ON_GREEN 32 /* sync on green */ + +#define FB_VMODE_NONINTERLACED 0 /* non interlaced */ +#define FB_VMODE_INTERLACED 1 /* interlaced */ +#define FB_VMODE_DOUBLE 2 /* double scan */ +#define FB_VMODE_ODD_FLD_FIRST 4 /* interlaced: top line first */ +#define FB_VMODE_MASK 255 + +#define FB_VMODE_YWRAP 256 /* ywrap instead of panning */ +#define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */ +#define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */ + +/* + * Display rotation support + */ +#define FB_ROTATE_UR 0 +#define FB_ROTATE_CW 1 +#define FB_ROTATE_UD 2 +#define FB_ROTATE_CCW 3 + +#define PICOS2KHZ(a) (1000000000UL/(a)) +#define KHZ2PICOS(a) (1000000000UL/(a)) + +struct fb_var_screeninfo { + __u32 xres; /* visible resolution */ + __u32 yres; + __u32 xres_virtual; /* virtual resolution */ + __u32 yres_virtual; + __u32 xoffset; /* offset from virtual to visible */ + __u32 yoffset; /* resolution */ + + __u32 bits_per_pixel; /* guess what */ + __u32 grayscale; /* != 0 Graylevels instead of colors */ + + struct fb_bitfield red; /* bitfield in fb mem if true color, */ + struct fb_bitfield green; /* else only length is significant */ + struct fb_bitfield blue; + struct fb_bitfield transp; /* transparency */ + + __u32 nonstd; /* != 0 Non standard pixel format */ + + __u32 activate; /* see FB_ACTIVATE_* */ + + __u32 height; /* height of picture in mm */ + __u32 width; /* width of picture in mm */ + + __u32 accel_flags; /* (OBSOLETE) see fb_info.flags */ + + /* Timing: All values in pixclocks, except pixclock (of course) */ + __u32 pixclock; /* pixel clock in ps (pico seconds) */ + __u32 left_margin; /* time from sync to picture */ + __u32 right_margin; /* time from picture to sync */ + __u32 upper_margin; /* time from sync to picture */ + __u32 lower_margin; + __u32 hsync_len; /* length of horizontal sync */ + __u32 vsync_len; /* length of vertical sync */ + __u32 sync; /* see FB_SYNC_* */ + __u32 vmode; /* see FB_VMODE_* */ + __u32 rotate; /* angle we rotate counter clockwise */ + __u32 reserved[5]; /* Reserved for future compatibility */ +}; + +struct fb_cmap { + __u32 start; /* First entry */ + __u32 len; /* Number of entries */ + __u16 *red; /* Red values */ + __u16 *green; + __u16 *blue; + __u16 *transp; /* transparency, can be NULL */ +}; + +struct fb_con2fbmap { + __u32 console; + __u32 framebuffer; +}; + +/* VESA Blanking Levels */ +#define VESA_NO_BLANKING 0 +#define VESA_VSYNC_SUSPEND 1 +#define VESA_HSYNC_SUSPEND 2 +#define VESA_POWERDOWN 3 + + +enum { + /* screen: unblanked, hsync: on, vsync: on */ + FB_BLANK_UNBLANK = VESA_NO_BLANKING, + + /* screen: blanked, hsync: on, vsync: on */ + FB_BLANK_NORMAL = VESA_NO_BLANKING + 1, + + /* screen: blanked, hsync: on, vsync: off */ + FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1, + + /* screen: blanked, hsync: off, vsync: on */ + FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1, + + /* screen: blanked, hsync: off, vsync: off */ + FB_BLANK_POWERDOWN = VESA_POWERDOWN + 1 +}; + +#define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */ +#define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */ +#define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */ +#define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */ +#define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */ +#define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */ +#define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */ +#define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */ +#define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */ + +struct fb_vblank { + __u32 flags; /* FB_VBLANK flags */ + __u32 count; /* counter of retraces since boot */ + __u32 vcount; /* current scanline position */ + __u32 hcount; /* current scandot position */ + __u32 reserved[4]; /* reserved for future compatibility */ +}; + +/* Internal HW accel */ +#define ROP_COPY 0 +#define ROP_XOR 1 + +struct fb_copyarea { + __u32 dx; + __u32 dy; + __u32 width; + __u32 height; + __u32 sx; + __u32 sy; +}; + +struct fb_fillrect { + __u32 dx; /* screen-relative */ + __u32 dy; + __u32 width; + __u32 height; + __u32 color; + __u32 rop; +}; + +struct fb_image { + __u32 dx; /* Where to place image */ + __u32 dy; + __u32 width; /* Size of image */ + __u32 height; + __u32 fg_color; /* Only used when a mono bitmap */ + __u32 bg_color; + __u8 depth; /* Depth of the image */ + const char *data; /* Pointer to image data */ + struct fb_cmap cmap; /* color map info */ +}; + +/* + * hardware cursor control + */ + +#define FB_CUR_SETIMAGE 0x01 +#define FB_CUR_SETPOS 0x02 +#define FB_CUR_SETHOT 0x04 +#define FB_CUR_SETCMAP 0x08 +#define FB_CUR_SETSHAPE 0x10 +#define FB_CUR_SETSIZE 0x20 +#define FB_CUR_SETALL 0xFF + +struct fbcurpos { + __u16 x, y; +}; + +struct fb_cursor { + __u16 set; /* what to set */ + __u16 enable; /* cursor on/off */ + __u16 rop; /* bitop operation */ + const char *mask; /* cursor mask bits */ + struct fbcurpos hot; /* cursor hot spot */ + struct fb_image image; /* Cursor image */ +}; + +#ifdef CONFIG_FB_BACKLIGHT +/* Settings for the generic backlight code */ +#define FB_BACKLIGHT_LEVELS 128 +#define FB_BACKLIGHT_MAX 0xFF +#endif + +#ifdef __KERNEL__ + +#include <linux/fs.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/workqueue.h> +#include <linux/notifier.h> +#include <linux/list.h> +#include <linux/backlight.h> +#include <linux/slab.h> +#include <asm/io.h> + +struct vm_area_struct; +struct fb_info; +struct device; +struct file; + +/* Definitions below are used in the parsed monitor specs */ +#define FB_DPMS_ACTIVE_OFF 1 +#define FB_DPMS_SUSPEND 2 +#define FB_DPMS_STANDBY 4 + +#define FB_DISP_DDI 1 +#define FB_DISP_ANA_700_300 2 +#define FB_DISP_ANA_714_286 4 +#define FB_DISP_ANA_1000_400 8 +#define FB_DISP_ANA_700_000 16 + +#define FB_DISP_MONO 32 +#define FB_DISP_RGB 64 +#define FB_DISP_MULTI 128 +#define FB_DISP_UNKNOWN 256 + +#define FB_SIGNAL_NONE 0 +#define FB_SIGNAL_BLANK_BLANK 1 +#define FB_SIGNAL_SEPARATE 2 +#define FB_SIGNAL_COMPOSITE 4 +#define FB_SIGNAL_SYNC_ON_GREEN 8 +#define FB_SIGNAL_SERRATION_ON 16 + +#define FB_MISC_PRIM_COLOR 1 +#define FB_MISC_1ST_DETAIL 2 /* First Detailed Timing is preferred */ +struct fb_chroma { + __u32 redx; /* in fraction of 1024 */ + __u32 greenx; + __u32 bluex; + __u32 whitex; + __u32 redy; + __u32 greeny; + __u32 bluey; + __u32 whitey; +}; + +struct fb_monspecs { + struct fb_chroma chroma; + struct fb_videomode *modedb; /* mode database */ + __u8 manufacturer[4]; /* Manufacturer */ + __u8 monitor[14]; /* Monitor String */ + __u8 serial_no[14]; /* Serial Number */ + __u8 ascii[14]; /* ? */ + __u32 modedb_len; /* mode database length */ + __u32 model; /* Monitor Model */ + __u32 serial; /* Serial Number - Integer */ + __u32 year; /* Year manufactured */ + __u32 week; /* Week Manufactured */ + __u32 hfmin; /* hfreq lower limit (Hz) */ + __u32 hfmax; /* hfreq upper limit (Hz) */ + __u32 dclkmin; /* pixelclock lower limit (Hz) */ + __u32 dclkmax; /* pixelclock upper limit (Hz) */ + __u16 input; /* display type - see FB_DISP_* */ + __u16 dpms; /* DPMS support - see FB_DPMS_ */ + __u16 signal; /* Signal Type - see FB_SIGNAL_* */ + __u16 vfmin; /* vfreq lower limit (Hz) */ + __u16 vfmax; /* vfreq upper limit (Hz) */ + __u16 gamma; /* Gamma - in fractions of 100 */ + __u16 gtf : 1; /* supports GTF */ + __u16 misc; /* Misc flags - see FB_MISC_* */ + __u8 version; /* EDID version... */ + __u8 revision; /* ...and revision */ + __u8 max_x; /* Maximum horizontal size (cm) */ + __u8 max_y; /* Maximum vertical size (cm) */ +}; + +struct fb_cmap_user { + __u32 start; /* First entry */ + __u32 len; /* Number of entries */ + __u16 __user *red; /* Red values */ + __u16 __user *green; + __u16 __user *blue; + __u16 __user *transp; /* transparency, can be NULL */ +}; + +struct fb_image_user { + __u32 dx; /* Where to place image */ + __u32 dy; + __u32 width; /* Size of image */ + __u32 height; + __u32 fg_color; /* Only used when a mono bitmap */ + __u32 bg_color; + __u8 depth; /* Depth of the image */ + const char __user *data; /* Pointer to image data */ + struct fb_cmap_user cmap; /* color map info */ +}; + +struct fb_cursor_user { + __u16 set; /* what to set */ + __u16 enable; /* cursor on/off */ + __u16 rop; /* bitop operation */ + const char __user *mask; /* cursor mask bits */ + struct fbcurpos hot; /* cursor hot spot */ + struct fb_image_user image; /* Cursor image */ +}; + +/* + * Register/unregister for framebuffer events + */ + +/* The resolution of the passed in fb_info about to change */ +#define FB_EVENT_MODE_CHANGE 0x01 +/* The display on this fb_info is beeing suspended, no access to the + * framebuffer is allowed any more after that call returns + */ +#define FB_EVENT_SUSPEND 0x02 +/* The display on this fb_info was resumed, you can restore the display + * if you own it + */ +#define FB_EVENT_RESUME 0x03 +/* An entry from the modelist was removed */ +#define FB_EVENT_MODE_DELETE 0x04 +/* A driver registered itself */ +#define FB_EVENT_FB_REGISTERED 0x05 +/* A driver unregistered itself */ +#define FB_EVENT_FB_UNREGISTERED 0x06 +/* CONSOLE-SPECIFIC: get console to framebuffer mapping */ +#define FB_EVENT_GET_CONSOLE_MAP 0x07 +/* CONSOLE-SPECIFIC: set console to framebuffer mapping */ +#define FB_EVENT_SET_CONSOLE_MAP 0x08 +/* A hardware display blank change occurred */ +#define FB_EVENT_BLANK 0x09 +/* Private modelist is to be replaced */ +#define FB_EVENT_NEW_MODELIST 0x0A +/* The resolution of the passed in fb_info about to change and + all vc's should be changed */ +#define FB_EVENT_MODE_CHANGE_ALL 0x0B +/* A software display blank change occurred */ +#define FB_EVENT_CONBLANK 0x0C +/* Get drawing requirements */ +#define FB_EVENT_GET_REQ 0x0D +/* Unbind from the console if possible */ +#define FB_EVENT_FB_UNBIND 0x0E +/* CONSOLE-SPECIFIC: remap all consoles to new fb - for vga switcheroo */ +#define FB_EVENT_REMAP_ALL_CONSOLE 0x0F + +struct fb_event { + struct fb_info *info; + void *data; +}; + +struct fb_blit_caps { + u32 x; + u32 y; + u32 len; + u32 flags; +}; + +extern int fb_register_client(struct notifier_block *nb); +extern int fb_unregister_client(struct notifier_block *nb); +extern int fb_notifier_call_chain(unsigned long val, void *v); +/* + * Pixmap structure definition + * + * The purpose of this structure is to translate data + * from the hardware independent format of fbdev to what + * format the hardware needs. + */ + +#define FB_PIXMAP_DEFAULT 1 /* used internally by fbcon */ +#define FB_PIXMAP_SYSTEM 2 /* memory is in system RAM */ +#define FB_PIXMAP_IO 4 /* memory is iomapped */ +#define FB_PIXMAP_SYNC 256 /* set if GPU can DMA */ + +struct fb_pixmap { + u8 *addr; /* pointer to memory */ + u32 size; /* size of buffer in bytes */ + u32 offset; /* current offset to buffer */ + u32 buf_align; /* byte alignment of each bitmap */ + u32 scan_align; /* alignment per scanline */ + u32 access_align; /* alignment per read/write (bits) */ + u32 flags; /* see FB_PIXMAP_* */ + u32 blit_x; /* supported bit block dimensions (1-32)*/ + u32 blit_y; /* Format: blit_x = 1 << (width - 1) */ + /* blit_y = 1 << (height - 1) */ + /* if 0, will be set to 0xffffffff (all)*/ + /* access methods */ + void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size); + void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size); +}; + +#ifdef CONFIG_FB_DEFERRED_IO +struct fb_deferred_io { + /* delay between mkwrite and deferred handler */ + unsigned long delay; + struct mutex lock; /* mutex that protects the page list */ + struct list_head pagelist; /* list of touched pages */ + /* callback */ + void (*deferred_io)(struct fb_info *info, struct list_head *pagelist); +}; +#endif + +/* + * Frame buffer operations + * + * LOCKING NOTE: those functions must _ALL_ be called with the console + * semaphore held, this is the only suitable locking mechanism we have + * in 2.6. Some may be called at interrupt time at this point though. + * + * The exception to this is the debug related hooks. Putting the fb + * into a debug state (e.g. flipping to the kernel console) and restoring + * it must be done in a lock-free manner, so low level drivers should + * keep track of the initial console (if applicable) and may need to + * perform direct, unlocked hardware writes in these hooks. + */ + +struct fb_ops { + /* open/release and usage marking */ + struct module *owner; + int (*fb_open)(struct fb_info *info, int user); + int (*fb_release)(struct fb_info *info, int user); + + /* For framebuffers with strange non linear layouts or that do not + * work with normal memory mapped access + */ + ssize_t (*fb_read)(struct fb_info *info, char __user *buf, + size_t count, loff_t *ppos); + ssize_t (*fb_write)(struct fb_info *info, const char __user *buf, + size_t count, loff_t *ppos); + + /* checks var and eventually tweaks it to something supported, + * DO NOT MODIFY PAR */ + int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info); + + /* set the video mode according to info->var */ + int (*fb_set_par)(struct fb_info *info); + + /* set color register */ + int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green, + unsigned blue, unsigned transp, struct fb_info *info); + + /* set color registers in batch */ + int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info); + + /* blank display */ + int (*fb_blank)(int blank, struct fb_info *info); + + /* pan display */ + int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info); + + /* Draws a rectangle */ + void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect); + /* Copy data from area to another */ + void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region); + /* Draws a image to the display */ + void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image); + + /* Draws cursor */ + int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor); + + /* Rotates the display */ + void (*fb_rotate)(struct fb_info *info, int angle); + + /* wait for blit idle, optional */ + int (*fb_sync)(struct fb_info *info); + + /* perform fb specific ioctl (optional) */ + int (*fb_ioctl)(struct fb_info *info, unsigned int cmd, + unsigned long arg); + + /* Handle 32bit compat ioctl (optional) */ + int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd, + unsigned long arg); + + /* perform fb specific mmap */ + int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma); + + /* get capability given var */ + void (*fb_get_caps)(struct fb_info *info, struct fb_blit_caps *caps, + struct fb_var_screeninfo *var); + + /* teardown any resources to do with this framebuffer */ + void (*fb_destroy)(struct fb_info *info); + + /* called at KDB enter and leave time to prepare the console */ + int (*fb_debug_enter)(struct fb_info *info); + int (*fb_debug_leave)(struct fb_info *info); +}; + +#ifdef CONFIG_FB_TILEBLITTING +#define FB_TILE_CURSOR_NONE 0 +#define FB_TILE_CURSOR_UNDERLINE 1 +#define FB_TILE_CURSOR_LOWER_THIRD 2 +#define FB_TILE_CURSOR_LOWER_HALF 3 +#define FB_TILE_CURSOR_TWO_THIRDS 4 +#define FB_TILE_CURSOR_BLOCK 5 + +struct fb_tilemap { + __u32 width; /* width of each tile in pixels */ + __u32 height; /* height of each tile in scanlines */ + __u32 depth; /* color depth of each tile */ + __u32 length; /* number of tiles in the map */ + const __u8 *data; /* actual tile map: a bitmap array, packed + to the nearest byte */ +}; + +struct fb_tilerect { + __u32 sx; /* origin in the x-axis */ + __u32 sy; /* origin in the y-axis */ + __u32 width; /* number of tiles in the x-axis */ + __u32 height; /* number of tiles in the y-axis */ + __u32 index; /* what tile to use: index to tile map */ + __u32 fg; /* foreground color */ + __u32 bg; /* background color */ + __u32 rop; /* raster operation */ +}; + +struct fb_tilearea { + __u32 sx; /* source origin in the x-axis */ + __u32 sy; /* source origin in the y-axis */ + __u32 dx; /* destination origin in the x-axis */ + __u32 dy; /* destination origin in the y-axis */ + __u32 width; /* number of tiles in the x-axis */ + __u32 height; /* number of tiles in the y-axis */ +}; + +struct fb_tileblit { + __u32 sx; /* origin in the x-axis */ + __u32 sy; /* origin in the y-axis */ + __u32 width; /* number of tiles in the x-axis */ + __u32 height; /* number of tiles in the y-axis */ + __u32 fg; /* foreground color */ + __u32 bg; /* background color */ + __u32 length; /* number of tiles to draw */ + __u32 *indices; /* array of indices to tile map */ +}; + +struct fb_tilecursor { + __u32 sx; /* cursor position in the x-axis */ + __u32 sy; /* cursor position in the y-axis */ + __u32 mode; /* 0 = erase, 1 = draw */ + __u32 shape; /* see FB_TILE_CURSOR_* */ + __u32 fg; /* foreground color */ + __u32 bg; /* background color */ +}; + +struct fb_tile_ops { + /* set tile characteristics */ + void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map); + + /* all dimensions from hereon are in terms of tiles */ + + /* move a rectangular region of tiles from one area to another*/ + void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area); + /* fill a rectangular region with a tile */ + void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect); + /* copy an array of tiles */ + void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit); + /* cursor */ + void (*fb_tilecursor)(struct fb_info *info, + struct fb_tilecursor *cursor); + /* get maximum length of the tile map */ + int (*fb_get_tilemax)(struct fb_info *info); +}; +#endif /* CONFIG_FB_TILEBLITTING */ + +/* FBINFO_* = fb_info.flags bit flags */ +#define FBINFO_MODULE 0x0001 /* Low-level driver is a module */ +#define FBINFO_HWACCEL_DISABLED 0x0002 + /* When FBINFO_HWACCEL_DISABLED is set: + * Hardware acceleration is turned off. Software implementations + * of required functions (copyarea(), fillrect(), and imageblit()) + * takes over; acceleration engine should be in a quiescent state */ + +/* hints */ +#define FBINFO_VIRTFB 0x0004 /* FB is System RAM, not device. */ +#define FBINFO_PARTIAL_PAN_OK 0x0040 /* otw use pan only for double-buffering */ +#define FBINFO_READS_FAST 0x0080 /* soft-copy faster than rendering */ + +/* hardware supported ops */ +/* semantics: when a bit is set, it indicates that the operation is + * accelerated by hardware. + * required functions will still work even if the bit is not set. + * optional functions may not even exist if the flag bit is not set. + */ +#define FBINFO_HWACCEL_NONE 0x0000 +#define FBINFO_HWACCEL_COPYAREA 0x0100 /* required */ +#define FBINFO_HWACCEL_FILLRECT 0x0200 /* required */ +#define FBINFO_HWACCEL_IMAGEBLIT 0x0400 /* required */ +#define FBINFO_HWACCEL_ROTATE 0x0800 /* optional */ +#define FBINFO_HWACCEL_XPAN 0x1000 /* optional */ +#define FBINFO_HWACCEL_YPAN 0x2000 /* optional */ +#define FBINFO_HWACCEL_YWRAP 0x4000 /* optional */ + +#define FBINFO_MISC_USEREVENT 0x10000 /* event request + from userspace */ +#define FBINFO_MISC_TILEBLITTING 0x20000 /* use tile blitting */ + +/* A driver may set this flag to indicate that it does want a set_par to be + * called every time when fbcon_switch is executed. The advantage is that with + * this flag set you can really be sure that set_par is always called before + * any of the functions dependent on the correct hardware state or altering + * that state, even if you are using some broken X releases. The disadvantage + * is that it introduces unwanted delays to every console switch if set_par + * is slow. It is a good idea to try this flag in the drivers initialization + * code whenever there is a bug report related to switching between X and the + * framebuffer console. + */ +#define FBINFO_MISC_ALWAYS_SETPAR 0x40000 + +/* where the fb is a firmware driver, and can be replaced with a proper one */ +#define FBINFO_MISC_FIRMWARE 0x80000 +/* + * Host and GPU endianness differ. + */ +#define FBINFO_FOREIGN_ENDIAN 0x100000 +/* + * Big endian math. This is the same flags as above, but with different + * meaning, it is set by the fb subsystem depending FOREIGN_ENDIAN flag + * and host endianness. Drivers should not use this flag. + */ +#define FBINFO_BE_MATH 0x100000 + +/* report to the VT layer that this fb driver can accept forced console + output like oopses */ +#define FBINFO_CAN_FORCE_OUTPUT 0x200000 + +struct fb_info { + atomic_t count; + int node; + int flags; + struct mutex lock; /* Lock for open/release/ioctl funcs */ + struct mutex mm_lock; /* Lock for fb_mmap and smem_* fields */ + struct fb_var_screeninfo var; /* Current var */ + struct fb_fix_screeninfo fix; /* Current fix */ + struct fb_monspecs monspecs; /* Current Monitor specs */ + struct work_struct queue; /* Framebuffer event queue */ + struct fb_pixmap pixmap; /* Image hardware mapper */ + struct fb_pixmap sprite; /* Cursor hardware mapper */ + struct fb_cmap cmap; /* Current cmap */ + struct list_head modelist; /* mode list */ + struct fb_videomode *mode; /* current mode */ + +#ifdef CONFIG_FB_BACKLIGHT + /* assigned backlight device */ + /* set before framebuffer registration, + remove after unregister */ + struct backlight_device *bl_dev; + + /* Backlight level curve */ + struct mutex bl_curve_mutex; + u8 bl_curve[FB_BACKLIGHT_LEVELS]; +#endif +#ifdef CONFIG_FB_DEFERRED_IO + struct delayed_work deferred_work; + struct fb_deferred_io *fbdefio; +#endif + + struct fb_ops *fbops; + struct device *device; /* This is the parent */ + struct device *dev; /* This is this fb device */ + int class_flag; /* private sysfs flags */ +#ifdef CONFIG_FB_TILEBLITTING + struct fb_tile_ops *tileops; /* Tile Blitting */ +#endif + char __iomem *screen_base; /* Virtual address */ + unsigned long screen_size; /* Amount of ioremapped VRAM or 0 */ + void *pseudo_palette; /* Fake palette of 16 colors */ +#define FBINFO_STATE_RUNNING 0 +#define FBINFO_STATE_SUSPENDED 1 + u32 state; /* Hardware state i.e suspend */ + void *fbcon_par; /* fbcon use-only private area */ + /* From here on everything is device dependent */ + void *par; + /* we need the PCI or similar aperture base/size not + smem_start/size as smem_start may just be an object + allocated inside the aperture so may not actually overlap */ + struct apertures_struct { + unsigned int count; + struct aperture { + resource_size_t base; + resource_size_t size; + } ranges[0]; + } *apertures; +}; + +static inline struct apertures_struct *alloc_apertures(unsigned int max_num) { + struct apertures_struct *a = kzalloc(sizeof(struct apertures_struct) + + max_num * sizeof(struct aperture), GFP_KERNEL); + if (!a) + return NULL; + a->count = max_num; + return a; +} + +#ifdef MODULE +#define FBINFO_DEFAULT FBINFO_MODULE +#else +#define FBINFO_DEFAULT 0 +#endif + +// This will go away +#define FBINFO_FLAG_MODULE FBINFO_MODULE +#define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT + +/* This will go away + * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags + * when it wants to turn the acceleration engine on. This is + * really a separate operation, and should be modified via sysfs. + * But for now, we leave it broken with the following define + */ +#define STUPID_ACCELF_TEXT_SHIT + +// This will go away +#if defined(__sparc__) + +/* We map all of our framebuffers such that big-endian accesses + * are what we want, so the following is sufficient. + */ + +// This will go away +#define fb_readb sbus_readb +#define fb_readw sbus_readw +#define fb_readl sbus_readl +#define fb_readq sbus_readq +#define fb_writeb sbus_writeb +#define fb_writew sbus_writew +#define fb_writel sbus_writel +#define fb_writeq sbus_writeq +#define fb_memset sbus_memset_io +#define fb_memcpy_fromfb sbus_memcpy_fromio +#define fb_memcpy_tofb sbus_memcpy_toio + +#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || defined(__avr32__) || defined(__bfin__) + +#define fb_readb __raw_readb +#define fb_readw __raw_readw +#define fb_readl __raw_readl +#define fb_readq __raw_readq +#define fb_writeb __raw_writeb +#define fb_writew __raw_writew +#define fb_writel __raw_writel +#define fb_writeq __raw_writeq +#define fb_memset memset_io +#define fb_memcpy_fromfb memcpy_fromio +#define fb_memcpy_tofb memcpy_toio + +#else + +#define fb_readb(addr) (*(volatile u8 *) (addr)) +#define fb_readw(addr) (*(volatile u16 *) (addr)) +#define fb_readl(addr) (*(volatile u32 *) (addr)) +#define fb_readq(addr) (*(volatile u64 *) (addr)) +#define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b)) +#define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b)) +#define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b)) +#define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b)) +#define fb_memset memset +#define fb_memcpy_fromfb memcpy +#define fb_memcpy_tofb memcpy + +#endif + +#define FB_LEFT_POS(p, bpp) (fb_be_math(p) ? (32 - (bpp)) : 0) +#define FB_SHIFT_HIGH(p, val, bits) (fb_be_math(p) ? (val) >> (bits) : \ + (val) << (bits)) +#define FB_SHIFT_LOW(p, val, bits) (fb_be_math(p) ? (val) << (bits) : \ + (val) >> (bits)) + + /* + * `Generic' versions of the frame buffer device operations + */ + +extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var); +extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var); +extern int fb_blank(struct fb_info *info, int blank); +extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect); +extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area); +extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image); +/* + * Drawing operations where framebuffer is in system RAM + */ +extern void sys_fillrect(struct fb_info *info, const struct fb_fillrect *rect); +extern void sys_copyarea(struct fb_info *info, const struct fb_copyarea *area); +extern void sys_imageblit(struct fb_info *info, const struct fb_image *image); +extern ssize_t fb_sys_read(struct fb_info *info, char __user *buf, + size_t count, loff_t *ppos); +extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf, + size_t count, loff_t *ppos); + +/* drivers/video/fbmem.c */ +extern int register_framebuffer(struct fb_info *fb_info); +extern int unregister_framebuffer(struct fb_info *fb_info); +extern int unlink_framebuffer(struct fb_info *fb_info); +extern void remove_conflicting_framebuffers(struct apertures_struct *a, + const char *name, bool primary); +extern int fb_prepare_logo(struct fb_info *fb_info, int rotate); +extern int fb_show_logo(struct fb_info *fb_info, int rotate); +extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size); +extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx, + u32 height, u32 shift_high, u32 shift_low, u32 mod); +extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height); +extern void fb_set_suspend(struct fb_info *info, int state); +extern int fb_get_color_depth(struct fb_var_screeninfo *var, + struct fb_fix_screeninfo *fix); +extern int fb_get_options(char *name, char **option); +extern int fb_new_modelist(struct fb_info *info); + +extern struct fb_info *registered_fb[FB_MAX]; +extern int num_registered_fb; +extern struct class *fb_class; + +extern int lock_fb_info(struct fb_info *info); + +static inline void unlock_fb_info(struct fb_info *info) +{ + mutex_unlock(&info->lock); +} + +static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, + u8 *src, u32 s_pitch, u32 height) +{ + int i, j; + + d_pitch -= s_pitch; + + for (i = height; i--; ) { + /* s_pitch is a few bytes at the most, memcpy is suboptimal */ + for (j = 0; j < s_pitch; j++) + *dst++ = *src++; + dst += d_pitch; + } +} + +/* drivers/video/fb_defio.c */ +extern void fb_deferred_io_init(struct fb_info *info); +extern void fb_deferred_io_open(struct fb_info *info, + struct inode *inode, + struct file *file); +extern void fb_deferred_io_cleanup(struct fb_info *info); +extern int fb_deferred_io_fsync(struct file *file, int datasync); + +static inline bool fb_be_math(struct fb_info *info) +{ +#ifdef CONFIG_FB_FOREIGN_ENDIAN +#if defined(CONFIG_FB_BOTH_ENDIAN) + return info->flags & FBINFO_BE_MATH; +#elif defined(CONFIG_FB_BIG_ENDIAN) + return true; +#elif defined(CONFIG_FB_LITTLE_ENDIAN) + return false; +#endif /* CONFIG_FB_BOTH_ENDIAN */ +#else +#ifdef __BIG_ENDIAN + return true; +#else + return false; +#endif /* __BIG_ENDIAN */ +#endif /* CONFIG_FB_FOREIGN_ENDIAN */ +} + +/* drivers/video/fbsysfs.c */ +extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev); +extern void framebuffer_release(struct fb_info *info); +extern int fb_init_device(struct fb_info *fb_info); +extern void fb_cleanup_device(struct fb_info *head); +extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max); + +/* drivers/video/fbmon.c */ +#define FB_MAXTIMINGS 0 +#define FB_VSYNCTIMINGS 1 +#define FB_HSYNCTIMINGS 2 +#define FB_DCLKTIMINGS 3 +#define FB_IGNOREMON 0x100 + +#define FB_MODE_IS_UNKNOWN 0 +#define FB_MODE_IS_DETAILED 1 +#define FB_MODE_IS_STANDARD 2 +#define FB_MODE_IS_VESA 4 +#define FB_MODE_IS_CALCULATED 8 +#define FB_MODE_IS_FIRST 16 +#define FB_MODE_IS_FROM_VAR 32 + +extern int fbmon_dpms(const struct fb_info *fb_info); +extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var, + struct fb_info *info); +extern int fb_validate_mode(const struct fb_var_screeninfo *var, + struct fb_info *info); +extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var); +extern const unsigned char *fb_firmware_edid(struct device *device); +extern void fb_edid_to_monspecs(unsigned char *edid, + struct fb_monspecs *specs); +extern void fb_edid_add_monspecs(unsigned char *edid, + struct fb_monspecs *specs); +extern void fb_destroy_modedb(struct fb_videomode *modedb); +extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb); +extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter); + +/* drivers/video/modedb.c */ +#define VESA_MODEDB_SIZE 34 +extern void fb_var_to_videomode(struct fb_videomode *mode, + const struct fb_var_screeninfo *var); +extern void fb_videomode_to_var(struct fb_var_screeninfo *var, + const struct fb_videomode *mode); +extern int fb_mode_is_equal(const struct fb_videomode *mode1, + const struct fb_videomode *mode2); +extern int fb_add_videomode(const struct fb_videomode *mode, + struct list_head *head); +extern void fb_delete_videomode(const struct fb_videomode *mode, + struct list_head *head); +extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var, + struct list_head *head); +extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var, + struct list_head *head); +extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode, + struct list_head *head); +extern void fb_destroy_modelist(struct list_head *head); +extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num, + struct list_head *head); +extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs, + struct list_head *head); + +/* drivers/video/fbcmap.c */ +extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp); +extern int fb_alloc_cmap_gfp(struct fb_cmap *cmap, int len, int transp, gfp_t flags); +extern void fb_dealloc_cmap(struct fb_cmap *cmap); +extern int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to); +extern int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to); +extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info); +extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info); +extern const struct fb_cmap *fb_default_cmap(int len); +extern void fb_invert_cmaps(void); + +struct fb_videomode { + const char *name; /* optional */ + u32 refresh; /* optional */ + u32 xres; + u32 yres; + u32 pixclock; + u32 left_margin; + u32 right_margin; + u32 upper_margin; + u32 lower_margin; + u32 hsync_len; + u32 vsync_len; + u32 sync; + u32 vmode; + u32 flag; +}; + +extern const char *fb_mode_option; +extern const struct fb_videomode vesa_modes[]; +extern const struct fb_videomode cea_modes[64]; + +struct fb_modelist { + struct list_head list; + struct fb_videomode mode; +}; + +extern int fb_find_mode(struct fb_var_screeninfo *var, + struct fb_info *info, const char *mode_option, + const struct fb_videomode *db, + unsigned int dbsize, + const struct fb_videomode *default_mode, + unsigned int default_bpp); + +#endif /* __KERNEL__ */ + +#endif /* _LINUX_FB_H */ |