#ifndef _LINUX_FB_H
#define _LINUX_FB_H
/* Definitions of frame buffers */
/* 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
#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_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_VISUAL_STATIC_DIRECTCOLOR 6 /* Direct color readonly */
struct fb_fix_screeninfo {
char id[16]; /* identification string eg "TT Builtin" */
unsigned long smem_start; /* Start of frame buffer mem */
unsigned long smem_len; /* Length of frame buffer mem */
int type; /* see FB_TYPE_* */
int type_aux; /* Interleave for interleaved Planes */
int visual; /* see FB_VISUAL_* */
u_short xpanstep; /* zero if no hardware panning */
u_short ypanstep; /* zero if no hardware panning */
u_short ywrapstep; /* zero if no hardware ywrap */
u_long line_length; /* length of a line in bytes */
short reserved[9]; /* Reserved for future compatibility */
};
struct fb_bitfield {
int offset; /* beginning of bitfield */
int length; /* length of bitfield */
int 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_ACCEL_NONE 0 /* no hardware accelerator */
#define FB_ACCEL_ATARIBLITT 1 /* Atari Blitter */
#define FB_ACCEL_AMIGABLITT 2 /* Amiga Blitter */
#define FB_ACCEL_CYBERVISION 3 /* Cybervision64 (S3 Trio64) */
#define FB_ACCEL_RETINAZ3 4 /* RetinaZ3 (NCR77C32BLT) */
#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_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 {
int xres; /* visible resolution */
int yres;
int xres_virtual; /* virtual resolution */
int yres_virtual;
int xoffset; /* offset from virtual to visible */
int yoffset; /* resolution */
int bits_per_pixel; /* guess what */
int 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 */
int nonstd; /* != 0 Non standard pixel format */
int activate; /* see FB_ACTIVATE_* */
int height; /* height of picture in mm */
int width; /* width of picture in mm */
int accel; /* see FB_ACCEL_* */
/* Timing: All values in pixclocks, except pixclock (of course) */
unsigned long pixclock; /* pixel clock in ps (pico seconds) */
unsigned long left_margin; /* time from sync to picture */
unsigned long right_margin; /* time from picture to sync */
unsigned long upper_margin; /* time from sync to picture */
unsigned long lower_margin;
unsigned long hsync_len; /* length of horizontal sync */
unsigned long vsync_len; /* length of vertical sync */
int sync; /* see FB_SYNC_* */
int vmode; /* see FB_VMODE_* */
int reserved[6]; /* Reserved for future compatibility */
};
struct fb_cmap {
int start; /* First entry */
int len; /* Number of entries */
unsigned short *red; /* Red values */
unsigned short *green;
unsigned short *blue;
unsigned short *transp; /* transparency, can be NULL */
};
#ifdef __KERNEL__
#include <linux/fs.h>
struct fb_ops {
/* get non settable parameters */
int (*fb_get_fix) (struct fb_fix_screeninfo *, int);
/* get settable parameters */
int (*fb_get_var) (struct fb_var_screeninfo *, int);
/* set settable parameters */
int (*fb_set_var) (struct fb_var_screeninfo *, int);
/* get colormap */
int (*fb_get_cmap) (struct fb_cmap *, int, int);
/* set colormap */
int (*fb_set_cmap) (struct fb_cmap *, int, int);
/* pan display */
int (*fb_pan_display) (struct fb_var_screeninfo *, int);
/* perform fb specific ioctl */
int (*fb_ioctl)(struct inode *, struct file *, unsigned int,
unsigned long, int);
};
int register_framebuffer(char *, int *, struct fb_ops *, int,
struct fb_var_screeninfo *);
int unregister_framebuffer(int);
/*
* This is the interface between the low-level console driver and the
* low-level frame buffer device
*/
struct display {
/* Filled in by the frame buffer device */
struct fb_var_screeninfo var; /* variable infos. yoffset and vmode */
/* are updated by fbcon.c */
struct fb_cmap cmap; /* colormap */
u_char *screen_base; /* pointer to top of virtual screen */
int visual;
int type; /* see FB_TYPE_* */
int type_aux; /* Interleave for interleaved Planes */
u_short ypanstep; /* zero if no hardware ypan */
u_short ywrapstep; /* zero if no hardware ywrap */
u_long line_length; /* length of a line in bytes */
u_short can_soft_blank; /* zero if no hardware blanking */
u_short inverse; /* != 0 text black on white as default */
#if 0
struct fb_fix_cursorinfo fcrsr;
struct fb_var_cursorinfo *vcrsr;
struct fb_cursorstate crsrstate;
#endif
/* Filled in by the low-level console driver */
struct vc_data *conp; /* pointer to console data */
int vrows; /* number of virtual rows */
int cursor_x; /* current cursor position */
int cursor_y;
int fgcol; /* text colors */
int bgcol;
u_long next_line; /* offset to one line below */
u_long next_plane; /* offset to next plane */
u_char *fontdata; /* Font associated to this display */
int fontheight;
int fontwidth;
int userfont; /* != 0 if fontdata kmalloc()ed */
struct display_switch *dispsw; /* low level operations */
u_short scrollmode; /* Scroll Method */
short yscroll; /* Hardware scrolling */
};
struct fb_info {
char modename[40]; /* at boottime detected video mode */
struct display *disp; /* pointer to display variables */
char fontname[40]; /* default font name */
int (*changevar)(int); /* tell console var has changed */
int (*switch_con)(int); /* tell fb to switch consoles */
int (*updatevar)(int); /* tell fb to update the vars */
void (*blank)(int); /* tell fb to (un)blank the screen */
int (*setcmap)(struct fb_cmap *, int); /* tell fb to set the colormap */
};
#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 {
u_short crsr_width; /* width and height of the cursor in */
u_short crsr_height; /* pixels (zero if no cursor) */
u_short crsr_xsize; /* cursor size in display pixels */
u_short crsr_ysize;
u_short crsr_color1; /* colormap entry for cursor color1 */
u_short crsr_color2; /* colormap entry for cursor color2 */
};
struct fb_var_cursorinfo {
u_short width;
u_short height;
u_short xspot;
u_short yspot;
u_char data[1]; /* field with [height][width] */
};
struct fb_cursorstate {
short xoffset;
short yoffset;
u_short mode;
};
#define FB_CURSOR_OFF 0
#define FB_CURSOR_ON 1
#define FB_CURSOR_FLASH 2
#define FBCMD_DRAWLINE 0x4621
#define FBCMD_MOVE 0x4622
#define FB_LINE_XOR 1
#define FB_LINE_BOX 2
#define FB_LINE_FILLED 4
struct fb_line {
int start_x;
int start_y;
int end_x;
int end_y;
int color;
int option;
};
struct fb_move {
int src_x;
int src_y;
int dest_x;
int dest_y;
int height;
int width;
};
#endif /* Preliminary */
#endif /* _LINUX_FB_H */