fb.h
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上传日期:2013-02-24
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- #ifndef _LINUX_FB_H
- #define _LINUX_FB_H
- #include <linux/tty.h>
- #include <asm/types.h>
- /* 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_3DLABS_PERMEDIA3 37 /* 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 <linux/fs.h>
- #include <linux/init.h>
- #include <linux/devfs_fs_kernel.h>
- 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 */