#ifndef _LINUX_FB_H #define _LINUX_FB_H #include #include /* Definitions of frame buffers */ #define FB_MAJOR 29 #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 /* 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 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_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_EPSON_SED1356 37 /* Epson SED1356 */ #define FB_ACCEL_3DLABS_PERMEDIA3 38 /* 3Dlabs Permedia 3 */ 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; /* Type of acceleration available */ __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. This implies * big-endian byte order if bits_per_pixel is greater than 8. */ 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_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_ACCELF_TEXT 1 /* text mode acceleration */ #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_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 */ 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; /* acceleration flags (hints) */ /* 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 reserved[6]; /* 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 struct fb_monspecs { __u32 hfmin; /* hfreq lower limit (Hz) */ __u32 hfmax; /* hfreq upper limit (Hz) */ __u16 vfmin; /* vfreq lower limit (Hz) */ __u16 vfmax; /* vfreq upper limit (Hz) */ unsigned dpms : 1; /* supports DPMS */ }; #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 */ }; #ifdef __KERNEL__ #if 1 /* to go away in 2.5.0 */ extern int GET_FB_IDX(kdev_t rdev); #else #define GET_FB_IDX(node) (MINOR(node)) #endif #include #include #include struct fb_info; struct fb_info_gen; struct vm_area_struct; struct file; /* * Frame buffer operations */ 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); /* get non settable parameters */ int (*fb_get_fix)(struct fb_fix_screeninfo *fix, int con, struct fb_info *info); /* get settable parameters */ int (*fb_get_var)(struct fb_var_screeninfo *var, int con, struct fb_info *info); /* set settable parameters */ int (*fb_set_var)(struct fb_var_screeninfo *var, int con, struct fb_info *info); /* get colormap */ int (*fb_get_cmap)(struct fb_cmap *cmap, int kspc, int con, struct fb_info *info); /* set colormap */ int (*fb_set_cmap)(struct fb_cmap *cmap, int kspc, int con, struct fb_info *info); /* pan display (optional) */ int (*fb_pan_display)(struct fb_var_screeninfo *var, int con, struct fb_info *info); /* perform fb specific ioctl (optional) */ int (*fb_ioctl)(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg, int con, struct fb_info *info); /* perform fb specific mmap */ int (*fb_mmap)(struct fb_info *info, struct file *file, struct vm_area_struct *vma); /* switch to/from raster image mode */ int (*fb_rasterimg)(struct fb_info *info, int start); }; struct fb_info { char modename[40]; /* default video mode */ kdev_t node; int flags; int open; /* Has this been open already ? */ #define FBINFO_FLAG_MODULE 1 /* Low-level driver is a module */ struct fb_var_screeninfo var; /* Current var */ struct fb_fix_screeninfo fix; /* Current fix */ struct fb_monspecs monspecs; /* Current Monitor specs */ struct fb_cmap cmap; /* Current cmap */ struct fb_ops *fbops; char *screen_base; /* Virtual address */ struct display *disp; /* initial display variable */ struct vc_data *display_fg; /* Console visible on this display */ char fontname[40]; /* default font name */ devfs_handle_t devfs_handle; /* Devfs handle for new name */ devfs_handle_t devfs_lhandle; /* Devfs handle for compat. symlink */ int (*changevar)(int); /* tell console var has changed */ int (*switch_con)(int, struct fb_info*); /* tell fb to switch consoles */ int (*updatevar)(int, struct fb_info*); /* tell fb to update the vars */ void (*blank)(int, struct fb_info*); /* tell fb to (un)blank the screen */ /* arg = 0: unblank */ /* arg > 0: VESA level (arg-1) */ void *pseudo_palette; /* Fake palette of 16 colors and the cursor's color for non palette mode */ /* From here on everything is device dependent */ void *par; }; #ifdef MODULE #define FBINFO_FLAG_DEFAULT FBINFO_FLAG_MODULE #else #define FBINFO_FLAG_DEFAULT 0 #endif /* * This structure abstracts from the underlying hardware. It is not * mandatory but used by the `generic' frame buffer operations. * Read drivers/video/skeletonfb.c for more information. */ struct fbgen_hwswitch { void (*detect)(void); int (*encode_fix)(struct fb_fix_screeninfo *fix, const void *par, struct fb_info_gen *info); int (*decode_var)(const struct fb_var_screeninfo *var, void *par, struct fb_info_gen *info); int (*encode_var)(struct fb_var_screeninfo *var, const void *par, struct fb_info_gen *info); void (*get_par)(void *par, struct fb_info_gen *info); void (*set_par)(const void *par, struct fb_info_gen *info); int (*getcolreg)(unsigned regno, unsigned *red, unsigned *green, unsigned *blue, unsigned *transp, struct fb_info *info); int (*setcolreg)(unsigned regno, unsigned red, unsigned green, unsigned blue, unsigned transp, struct fb_info *info); int (*pan_display)(const struct fb_var_screeninfo *var, struct fb_info_gen *info); int (*blank)(int blank_mode, struct fb_info_gen *info); void (*set_disp)(const void *par, struct display *disp, struct fb_info_gen *info); }; struct fb_info_gen { struct fb_info info; /* Entries for a generic frame buffer device */ /* Yes, this starts looking like C++ */ u_int parsize; struct fbgen_hwswitch *fbhw; /* From here on everything is device dependent */ }; /* * `Generic' versions of the frame buffer device operations */ extern int fbgen_get_fix(struct fb_fix_screeninfo *fix, int con, struct fb_info *info); extern int fbgen_get_var(struct fb_var_screeninfo *var, int con, struct fb_info *info); extern int fbgen_set_var(struct fb_var_screeninfo *var, int con, struct fb_info *info); extern int fbgen_get_cmap(struct fb_cmap *cmap, int kspc, int con, struct fb_info *info); extern int fbgen_set_cmap(struct fb_cmap *cmap, int kspc, int con, struct fb_info *info); extern int fbgen_pan_display(struct fb_var_screeninfo *var, int con, struct fb_info *info); /* * Helper functions */ extern int fbgen_do_set_var(struct fb_var_screeninfo *var, int isactive, struct fb_info_gen *info); extern void fbgen_set_disp(int con, struct fb_info_gen *info); extern void fbgen_install_cmap(int con, struct fb_info_gen *info); extern int fbgen_update_var(int con, struct fb_info *info); extern int fbgen_switch(int con, struct fb_info *info); extern void fbgen_blank(int blank, struct fb_info *info); /* drivers/video/fbmem.c */ extern int register_framebuffer(struct fb_info *fb_info); extern int unregister_framebuffer(struct fb_info *fb_info); extern int num_registered_fb; extern struct fb_info *registered_fb[FB_MAX]; /* drivers/video/fbmon.c */ extern int fbmon_valid_timings(u_int pixclock, u_int htotal, u_int vtotal, const struct fb_info *fb_info); extern int fbmon_dpms(const struct fb_info *fb_info); /* drivers/video/fbcmap.c */ extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp); extern void fb_copy_cmap(struct fb_cmap *from, struct fb_cmap *to, int fsfromto); extern int fb_get_cmap(struct fb_cmap *cmap, int kspc, int (*getcolreg)(u_int, u_int *, u_int *, u_int *, u_int *, struct fb_info *), struct fb_info *fb_info); extern int fb_set_cmap(struct fb_cmap *cmap, int kspc, int (*setcolreg)(u_int, u_int, u_int, u_int, u_int, struct fb_info *), struct fb_info *fb_info); extern 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; }; #ifdef MODULE static inline 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) { extern int __fb_try_mode(struct fb_var_screeninfo *var, struct fb_info *info, const struct fb_videomode *mode, unsigned int bpp); /* * FIXME: How to make the compiler optimize vga640x400 away if * default_mode is non-NULL? */ static const struct fb_videomode vga640x400 = { /* 640x400 @ 70 Hz, 31.5 kHz hsync */ NULL, 70, 640, 400, 39721, 40, 24, 39, 9, 96, 2, 0, FB_VMODE_NONINTERLACED }; if (!default_mode) default_mode = &vga640x400; if (!default_bpp) default_bpp = 8; return __fb_try_mode(var, info, default_mode, default_bpp); } #else extern int __init 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 #endif /* __KERNEL__ */ #if 1 #define FBCMD_GET_CURRENTPAR 0xDEAD0005 #define FBCMD_SET_CURRENTPAR 0xDEAD8005 #endif #if 1 /* Preliminary */ /* * Hardware Cursor */ #define FBIOGET_FCURSORINFO 0x4607 #define FBIOGET_VCURSORINFO 0x4608 #define FBIOPUT_VCURSORINFO 0x4609 #define FBIOGET_CURSORSTATE 0x460A #define FBIOPUT_CURSORSTATE 0x460B struct fb_fix_cursorinfo { __u16 crsr_width; /* width and height of the cursor in */ __u16 crsr_height; /* pixels (zero if no cursor) */ __u16 crsr_xsize; /* cursor size in display pixels */ __u16 crsr_ysize; __u16 crsr_color1; /* colormap entry for cursor color1 */ __u16 crsr_color2; /* colormap entry for cursor color2 */ }; struct fb_var_cursorinfo { __u16 width; __u16 height; __u16 xspot; __u16 yspot; __u8 data[1]; /* field with [height][width] */ }; struct fb_cursorstate { __s16 xoffset; __s16 yoffset; __u16 mode; }; #define FB_CURSOR_OFF 0 #define FB_CURSOR_ON 1 #define FB_CURSOR_FLASH 2 #endif /* Preliminary */ #endif /* _LINUX_FB_H */