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#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 */
#define FB_ACCEL_ATI_RADEON 38 /* ATI Radeon family */
#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 */
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 */
#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; /* 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 */
};
/* Internal HW accel */
#define ROP_COPY 0
#define ROP_XOR 1
struct fb_copyarea {
__u32 sx; /* screen-relative */
__u32 sy;
__u32 width;
__u32 height;
__u32 dx;
__u32 dy;
};
struct fb_fillrect {
__u32 dx; /* screen-relative */
__u32 dy;
__u32 width;
__u32 height;
__u32 color;
__u32 rop;
};
struct fb_image {
__u32 width; /* Size of image */
__u32 height;
__u16 dx; /* Where to place image */
__u16 dy;
__u32 fg_color; /* Only used when a mono bitmap */
__u32 bg_color;
__u8 depth; /* Dpeth of the image */
char *data; /* Pointer to image data */
};
#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/poll.h>
#include <linux/init.h>
#include <linux/devfs_fs_kernel.h>
struct fb_info;
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);
/* 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);
/* checks var and creates a par based on it */
int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info);
/* set the video mode according to par */
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);
/* blank display */
int (*fb_blank)(int blank, struct fb_info *info);
/* pan display */
int (*fb_pan_display)(struct fb_var_screeninfo *var, int con, struct fb_info *info);
/* draws a rectangle */
void (*fb_fillrect)(struct fb_info *info, struct fb_fillrect *rect);
/* Copy data from area to another */
void (*fb_copyarea)(struct fb_info *info, struct fb_copyarea *region);
/* Draws a image to the display */
void (*fb_imageblit)(struct fb_info *info, struct fb_image *image);
/* perform polling on fb device */
int (*fb_poll)(struct fb_info *info, poll_table *wait);
/* 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 */
int currcon; /* Current VC. */
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 *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
/*
* `Generic' versions of the frame buffer device operations
*/
extern int gen_set_var(struct fb_var_screeninfo *var, int con,
struct fb_info *info);
extern int gen_get_cmap(struct fb_cmap *cmap, int kspc, int con,
struct fb_info *info);
extern int gen_set_cmap(struct fb_cmap *cmap, int kspc, int con,
struct fb_info *info);
extern int fb_pan_display(struct fb_var_screeninfo *var, int con,
struct fb_info *info);
extern void cfb_fillrect(struct fb_info *info, struct fb_fillrect *rect);
extern void cfb_copyarea(struct fb_info *info, struct fb_copyarea *region);
extern void cfb_imageblit(struct fb_info *info, struct fb_image *image);
/*
* Helper functions
*/
extern void do_install_cmap(int con, struct fb_info *info);
extern int gen_update_var(int con, struct fb_info *info);
extern int fb_blank(int blank, struct fb_info *info);
extern int gen_switch(int con, struct fb_info *info);
extern void gen_set_disp(int con, 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, 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 */
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