patch-1.3.94 linux/include/linux/fb.h

• Lines: 294
• Date: Fri Apr 19 08:14:38 1996
• Orig file: v1.3.93/linux/include/linux/fb.h
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v1.3.93/linux/include/linux/fb.h linux/include/linux/fb.h
@@ -0,0 +1,293 @@
+#ifndef _LINUX_FB_H
+#define _LINUX_FB_H
+
+/* Definitions of frame buffers						*/
+
+#ifdef __KERNEL__
+#include <linux/config.h>
+#include <linux/fs.h>
+#endif
+
+/* 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    */
+        short reserved[11];             /* 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_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     */
+
+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__
+
+struct fb_ops {
+	/* get non setable parameters	*/
+	int (*fb_get_fix) (struct fb_fix_screeninfo *, int); 
+	/* get setable parameters	*/
+	int (*fb_get_var) (struct fb_var_screeninfo *, int);		
+	/* set setable 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 {
+/*
+ * As long as the old Amiga screen driver is being used, we have to
+ * include these old parameters.
+ */
+#if defined(CONFIG_AMIGA)
+  ushort scr_max_height;	/* screen dimensions */
+  ushort scr_max_width;
+  ushort scr_height;
+  ushort scr_width;
+  ushort scr_depth;
+  int bytes_per_row;		/* offset to one line below */
+  
+  ulong crsrcol;
+
+  ushort scroll_latch;		/* Vblank support for hardware scroll */
+  ushort y_wrap;
+  ushort cursor_latch;		/* Hardware cursor */
+  ushort *cursor, *dummy;
+  ushort cursor_flash;
+  ushort cursor_visible;
+
+  /* Some chipreg values we need to rebuild copper lists */
+  ushort diwstrt_v, diwstrt_h;	/* display window control */
+  ushort diwstop_v, diwstop_h;
+  ushort bplcon0;		/* display mode */
+  ushort htotal;
+
+  u_char *bitplane[8];		/* pointers to display bitplanes */
+  ulong plane_size;
+
+  ushort *coplist1hdr;		/* List 1 static  component */
+  ushort *coplist1dyn;		/* List 1 dynamic component */
+  ushort *coplist2hdr;		/* List 2 static  component */
+  ushort *coplist2dyn;		/* List 2 dynamic component */
+
+#endif
+
+   /* 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_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 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;
+   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 */
+};
+
+#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_long data[256];	       /* max. 64x64 (ilbm, 2 planes)	*/
+};
+
+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
+
+#endif /* Preliminary */
+
+
+#endif /* _LINUX_FB_H */