File: /usr/src/linux/include/linux/fb.h

1     #ifndef _LINUX_FB_H
2     #define _LINUX_FB_H
3     
4     #include <linux/tty.h>
5     #include <asm/types.h>
6     
7     /* Definitions of frame buffers						*/
8     
9     #define FB_MAJOR		29
10     #define FB_MAX			32	/* sufficient for now */
11     
12     /* ioctls
13        0x46 is 'F'								*/
14     #define FBIOGET_VSCREENINFO	0x4600
15     #define FBIOPUT_VSCREENINFO	0x4601
16     #define FBIOGET_FSCREENINFO	0x4602
17     #define FBIOGETCMAP		0x4604
18     #define FBIOPUTCMAP		0x4605
19     #define FBIOPAN_DISPLAY		0x4606
20     /* 0x4607-0x460B are defined below */
21     /* #define FBIOGET_MONITORSPEC	0x460C */
22     /* #define FBIOPUT_MONITORSPEC	0x460D */
23     /* #define FBIOSWITCH_MONIBIT	0x460E */
24     #define FBIOGET_CON2FBMAP	0x460F
25     #define FBIOPUT_CON2FBMAP	0x4610
26     #define FBIOBLANK		0x4611		/* arg: 0 or vesa level + 1 */
27     #define FBIOGET_VBLANK		_IOR('F', 0x12, struct fb_vblank)
28     #define FBIO_ALLOC              0x4613
29     #define FBIO_FREE               0x4614
30     #define FBIOGET_GLYPH           0x4615
31     #define FBIOGET_HWCINFO         0x4616
32     #define FBIOPUT_MODEINFO        0x4617
33     #define FBIOGET_DISPINFO        0x4618
34     
35     
36     #define FB_TYPE_PACKED_PIXELS		0	/* Packed Pixels	*/
37     #define FB_TYPE_PLANES			1	/* Non interleaved planes */
38     #define FB_TYPE_INTERLEAVED_PLANES	2	/* Interleaved planes	*/
39     #define FB_TYPE_TEXT			3	/* Text/attributes	*/
40     #define FB_TYPE_VGA_PLANES		4	/* EGA/VGA planes	*/
41     
42     #define FB_AUX_TEXT_MDA		0	/* Monochrome text */
43     #define FB_AUX_TEXT_CGA		1	/* CGA/EGA/VGA Color text */
44     #define FB_AUX_TEXT_S3_MMIO	2	/* S3 MMIO fasttext */
45     #define FB_AUX_TEXT_MGA_STEP16	3	/* MGA Millenium I: text, attr, 14 reserved bytes */
46     #define FB_AUX_TEXT_MGA_STEP8	4	/* other MGAs:      text, attr,  6 reserved bytes */
47     
48     #define FB_AUX_VGA_PLANES_VGA4		0	/* 16 color planes (EGA/VGA) */
49     #define FB_AUX_VGA_PLANES_CFB4		1	/* CFB4 in planes (VGA) */
50     #define FB_AUX_VGA_PLANES_CFB8		2	/* CFB8 in planes (VGA) */
51     
52     #define FB_VISUAL_MONO01		0	/* Monochr. 1=Black 0=White */
53     #define FB_VISUAL_MONO10		1	/* Monochr. 1=White 0=Black */
54     #define FB_VISUAL_TRUECOLOR		2	/* True color	*/
55     #define FB_VISUAL_PSEUDOCOLOR		3	/* Pseudo color (like atari) */
56     #define FB_VISUAL_DIRECTCOLOR		4	/* Direct color */
57     #define FB_VISUAL_STATIC_PSEUDOCOLOR	5	/* Pseudo color readonly */
58     
59     #define FB_ACCEL_NONE		0	/* no hardware accelerator	*/
60     #define FB_ACCEL_ATARIBLITT	1	/* Atari Blitter		*/
61     #define FB_ACCEL_AMIGABLITT	2	/* Amiga Blitter                */
62     #define FB_ACCEL_S3_TRIO64	3	/* Cybervision64 (S3 Trio64)    */
63     #define FB_ACCEL_NCR_77C32BLT	4	/* RetinaZ3 (NCR 77C32BLT)      */
64     #define FB_ACCEL_S3_VIRGE	5	/* Cybervision64/3D (S3 ViRGE)	*/
65     #define FB_ACCEL_ATI_MACH64GX	6	/* ATI Mach 64GX family		*/
66     #define FB_ACCEL_DEC_TGA	7	/* DEC 21030 TGA		*/
67     #define FB_ACCEL_ATI_MACH64CT	8	/* ATI Mach 64CT family		*/
68     #define FB_ACCEL_ATI_MACH64VT	9	/* ATI Mach 64CT family VT class */
69     #define FB_ACCEL_ATI_MACH64GT	10	/* ATI Mach 64CT family GT class */
70     #define FB_ACCEL_SUN_CREATOR	11	/* Sun Creator/Creator3D	*/
71     #define FB_ACCEL_SUN_CGSIX	12	/* Sun cg6			*/
72     #define FB_ACCEL_SUN_LEO	13	/* Sun leo/zx			*/
73     #define FB_ACCEL_IMS_TWINTURBO	14	/* IMS Twin Turbo		*/
74     #define FB_ACCEL_3DLABS_PERMEDIA2 15	/* 3Dlabs Permedia 2		*/
75     #define FB_ACCEL_MATROX_MGA2064W 16	/* Matrox MGA2064W (Millenium)	*/
76     #define FB_ACCEL_MATROX_MGA1064SG 17	/* Matrox MGA1064SG (Mystique)	*/
77     #define FB_ACCEL_MATROX_MGA2164W 18	/* Matrox MGA2164W (Millenium II) */
78     #define FB_ACCEL_MATROX_MGA2164W_AGP 19	/* Matrox MGA2164W (Millenium II) */
79     #define FB_ACCEL_MATROX_MGAG100	20	/* Matrox G100 (Productiva G100) */
80     #define FB_ACCEL_MATROX_MGAG200	21	/* Matrox G200 (Myst, Mill, ...) */
81     #define FB_ACCEL_SUN_CG14	22	/* Sun cgfourteen		 */
82     #define FB_ACCEL_SUN_BWTWO	23	/* Sun bwtwo			*/
83     #define FB_ACCEL_SUN_CGTHREE	24	/* Sun cgthree			*/
84     #define FB_ACCEL_SUN_TCX	25	/* Sun tcx			*/
85     #define FB_ACCEL_MATROX_MGAG400	26	/* Matrox G400			*/
86     #define FB_ACCEL_NV3		27	/* nVidia RIVA 128              */
87     #define FB_ACCEL_NV4		28	/* nVidia RIVA TNT		*/
88     #define FB_ACCEL_NV5		29	/* nVidia RIVA TNT2		*/
89     #define FB_ACCEL_CT_6555x	30	/* C&T 6555x			*/
90     #define FB_ACCEL_3DFX_BANSHEE	31	/* 3Dfx Banshee			*/
91     #define FB_ACCEL_ATI_RAGE128	32	/* ATI Rage128 family		*/
92     #define FB_ACCEL_IGS_CYBER2000	33	/* CyberPro 2000		*/
93     #define FB_ACCEL_IGS_CYBER2010	34	/* CyberPro 2010		*/
94     #define FB_ACCEL_IGS_CYBER5000	35	/* CyberPro 5000		*/
95     #define FB_ACCEL_SIS_GLAMOUR    36	/* SiS 300/630/540              */
96     
97     struct fb_fix_screeninfo {
98     	char id[16];			/* identification string eg "TT Builtin" */
99     	unsigned long smem_start;	/* Start of frame buffer mem */
100     					/* (physical address) */
101     	__u32 smem_len;			/* Length of frame buffer mem */
102     	__u32 type;			/* see FB_TYPE_*		*/
103     	__u32 type_aux;			/* Interleave for interleaved Planes */
104     	__u32 visual;			/* see FB_VISUAL_*		*/ 
105     	__u16 xpanstep;			/* zero if no hardware panning  */
106     	__u16 ypanstep;			/* zero if no hardware panning  */
107     	__u16 ywrapstep;		/* zero if no hardware ywrap    */
108     	__u32 line_length;		/* length of a line in bytes    */
109     	unsigned long mmio_start;	/* Start of Memory Mapped I/O   */
110     					/* (physical address) */
111     	__u32 mmio_len;			/* Length of Memory Mapped I/O  */
112     	__u32 accel;			/* Type of acceleration available */
113     	__u16 reserved[3];		/* Reserved for future compatibility */
114     };
115     
116     /* Interpretation of offset for color fields: All offsets are from the right,
117      * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
118      * can use the offset as right argument to <<). A pixel afterwards is a bit
119      * stream and is written to video memory as that unmodified. This implies
120      * big-endian byte order if bits_per_pixel is greater than 8.
121      */
122     struct fb_bitfield {
123     	__u32 offset;			/* beginning of bitfield	*/
124     	__u32 length;			/* length of bitfield		*/
125     	__u32 msb_right;		/* != 0 : Most significant bit is */ 
126     					/* right */ 
127     };
128     
129     #define FB_NONSTD_HAM		1	/* Hold-And-Modify (HAM)        */
130     
131     #define FB_ACTIVATE_NOW		0	/* set values immediately (or vbl)*/
132     #define FB_ACTIVATE_NXTOPEN	1	/* activate on next open	*/
133     #define FB_ACTIVATE_TEST	2	/* don't set, round up impossible */
134     #define FB_ACTIVATE_MASK       15
135     					/* values			*/
136     #define FB_ACTIVATE_VBL	       16	/* activate values on next vbl  */
137     #define FB_CHANGE_CMAP_VBL     32	/* change colormap on vbl	*/
138     #define FB_ACTIVATE_ALL	       64	/* change all VCs on this fb	*/
139     
140     #define FB_ACCELF_TEXT		1	/* text mode acceleration */
141     
142     #define FB_SYNC_HOR_HIGH_ACT	1	/* horizontal sync high active	*/
143     #define FB_SYNC_VERT_HIGH_ACT	2	/* vertical sync high active	*/
144     #define FB_SYNC_EXT		4	/* external sync		*/
145     #define FB_SYNC_COMP_HIGH_ACT	8	/* composite sync high active   */
146     #define FB_SYNC_BROADCAST	16	/* broadcast video timings      */
147     					/* vtotal = 144d/288n/576i => PAL  */
148     					/* vtotal = 121d/242n/484i => NTSC */
149     #define FB_SYNC_ON_GREEN	32	/* sync on green */
150     
151     #define FB_VMODE_NONINTERLACED  0	/* non interlaced */
152     #define FB_VMODE_INTERLACED	1	/* interlaced	*/
153     #define FB_VMODE_DOUBLE		2	/* double scan */
154     #define FB_VMODE_MASK		255
155     
156     #define FB_VMODE_YWRAP		256	/* ywrap instead of panning     */
157     #define FB_VMODE_SMOOTH_XPAN	512	/* smooth xpan possible (internally used) */
158     #define FB_VMODE_CONUPDATE	512	/* don't update x/yoffset	*/
159     
160     struct fb_var_screeninfo {
161     	__u32 xres;			/* visible resolution		*/
162     	__u32 yres;
163     	__u32 xres_virtual;		/* virtual resolution		*/
164     	__u32 yres_virtual;
165     	__u32 xoffset;			/* offset from virtual to visible */
166     	__u32 yoffset;			/* resolution			*/
167     
168     	__u32 bits_per_pixel;		/* guess what			*/
169     	__u32 grayscale;		/* != 0 Graylevels instead of colors */
170     
171     	struct fb_bitfield red;		/* bitfield in fb mem if true color, */
172     	struct fb_bitfield green;	/* else only length is significant */
173     	struct fb_bitfield blue;
174     	struct fb_bitfield transp;	/* transparency			*/	
175     
176     	__u32 nonstd;			/* != 0 Non standard pixel format */
177     
178     	__u32 activate;			/* see FB_ACTIVATE_*		*/
179     
180     	__u32 height;			/* height of picture in mm    */
181     	__u32 width;			/* width of picture in mm     */
182     
183     	__u32 accel_flags;		/* acceleration flags (hints)	*/
184     
185     	/* Timing: All values in pixclocks, except pixclock (of course) */
186     	__u32 pixclock;			/* pixel clock in ps (pico seconds) */
187     	__u32 left_margin;		/* time from sync to picture	*/
188     	__u32 right_margin;		/* time from picture to sync	*/
189     	__u32 upper_margin;		/* time from sync to picture	*/
190     	__u32 lower_margin;
191     	__u32 hsync_len;		/* length of horizontal sync	*/
192     	__u32 vsync_len;		/* length of vertical sync	*/
193     	__u32 sync;			/* see FB_SYNC_*		*/
194     	__u32 vmode;			/* see FB_VMODE_*		*/
195     	__u32 reserved[6];		/* Reserved for future compatibility */
196     };
197     
198     struct fb_cmap {
199     	__u32 start;			/* First entry	*/
200     	__u32 len;			/* Number of entries */
201     	__u16 *red;			/* Red values	*/
202     	__u16 *green;
203     	__u16 *blue;
204     	__u16 *transp;			/* transparency, can be NULL */
205     };
206     
207     struct fb_con2fbmap {
208     	__u32 console;
209     	__u32 framebuffer;
210     };
211     
212     /* VESA Blanking Levels */
213     #define VESA_NO_BLANKING        0
214     #define VESA_VSYNC_SUSPEND      1
215     #define VESA_HSYNC_SUSPEND      2
216     #define VESA_POWERDOWN          3
217     
218     struct fb_monspecs {
219     	__u32 hfmin;			/* hfreq lower limit (Hz) */
220     	__u32 hfmax; 			/* hfreq upper limit (Hz) */
221     	__u16 vfmin;			/* vfreq lower limit (Hz) */
222     	__u16 vfmax;			/* vfreq upper limit (Hz) */
223     	unsigned dpms : 1;		/* supports DPMS */
224     };
225     
226     #define FB_VBLANK_VBLANKING	0x001	/* currently in a vertical blank */
227     #define FB_VBLANK_HBLANKING	0x002	/* currently in a horizontal blank */
228     #define FB_VBLANK_HAVE_VBLANK	0x004	/* vertical blanks can be detected */
229     #define FB_VBLANK_HAVE_HBLANK	0x008	/* horizontal blanks can be detected */
230     #define FB_VBLANK_HAVE_COUNT	0x010	/* global retrace counter is available */
231     #define FB_VBLANK_HAVE_VCOUNT	0x020	/* the vcount field is valid */
232     #define FB_VBLANK_HAVE_HCOUNT	0x040	/* the hcount field is valid */
233     #define FB_VBLANK_VSYNCING	0x080	/* currently in a vsync */
234     #define FB_VBLANK_HAVE_VSYNC	0x100	/* verical syncs can be detected */
235     
236     struct fb_vblank {
237     	__u32 flags;			/* FB_VBLANK flags */
238     	__u32 count;			/* counter of retraces since boot */
239     	__u32 vcount;			/* current scanline position */
240     	__u32 hcount;			/* current scandot position */
241     	__u32 reserved[4];		/* reserved for future compatibility */
242     };
243     
244     #ifdef __KERNEL__
245     
246     #if 1 /* to go away in 2.5.0 */
247     extern int GET_FB_IDX(kdev_t rdev);
248     #else
249     #define GET_FB_IDX(node)	(MINOR(node))
250     #endif
251     
252     #include <linux/fs.h>
253     #include <linux/init.h>
254     #include <linux/devfs_fs_kernel.h>
255     
256     
257     struct fb_info;
258     struct fb_info_gen;
259     struct vm_area_struct;
260     struct file;
261     
262         /*
263          *  Frame buffer operations
264          */
265     
266     struct fb_ops {
267         /* open/release and usage marking */
268         struct module *owner;
269         int (*fb_open)(struct fb_info *info, int user);
270         int (*fb_release)(struct fb_info *info, int user);
271         /* get non settable parameters */
272         int (*fb_get_fix)(struct fb_fix_screeninfo *fix, int con,
273     		      struct fb_info *info); 
274         /* get settable parameters */
275         int (*fb_get_var)(struct fb_var_screeninfo *var, int con,
276     		      struct fb_info *info);		
277         /* set settable parameters */
278         int (*fb_set_var)(struct fb_var_screeninfo *var, int con,
279     		      struct fb_info *info);		
280         /* get colormap */
281         int (*fb_get_cmap)(struct fb_cmap *cmap, int kspc, int con,
282     		       struct fb_info *info);
283         /* set colormap */
284         int (*fb_set_cmap)(struct fb_cmap *cmap, int kspc, int con,
285     		       struct fb_info *info);
286         /* pan display (optional) */
287         int (*fb_pan_display)(struct fb_var_screeninfo *var, int con,
288     			  struct fb_info *info);
289         /* perform fb specific ioctl (optional) */
290         int (*fb_ioctl)(struct inode *inode, struct file *file, unsigned int cmd,
291     		    unsigned long arg, int con, struct fb_info *info);
292         /* perform fb specific mmap */
293         int (*fb_mmap)(struct fb_info *info, struct file *file, struct vm_area_struct *vma);
294         /* switch to/from raster image mode */
295         int (*fb_rasterimg)(struct fb_info *info, int start);
296     };
297     
298     struct fb_info {
299        char modename[40];			/* default video mode */
300        kdev_t node;
301        int flags;
302        int open;                            /* Has this been open already ? */
303     #define FBINFO_FLAG_MODULE	1	/* Low-level driver is a module */
304        struct fb_var_screeninfo var;        /* Current var */
305        struct fb_fix_screeninfo fix;        /* Current fix */
306        struct fb_monspecs monspecs;         /* Current Monitor specs */
307        struct fb_cmap cmap;                 /* Current cmap */
308        struct fb_ops *fbops;
309        char *screen_base;                   /* Virtual address */
310        struct display *disp;		/* initial display variable */
311        struct vc_data *display_fg;		/* Console visible on this display */
312        char fontname[40];			/* default font name */
313        devfs_handle_t devfs_handle;         /* Devfs handle for new name         */
314        devfs_handle_t devfs_lhandle;        /* Devfs handle for compat. symlink  */
315        int (*changevar)(int);		/* tell console var has changed */
316        int (*switch_con)(int, struct fb_info*);
317     					/* tell fb to switch consoles */
318        int (*updatevar)(int, struct fb_info*);
319     					/* tell fb to update the vars */
320        void (*blank)(int, struct fb_info*);	/* tell fb to (un)blank the screen */
321     					/* arg = 0: unblank */
322     					/* arg > 0: VESA level (arg-1) */
323        void *pseudo_palette;                /* Fake palette of 16 colors and 
324     					   the cursor's color for non
325                                                palette mode */
326        /* From here on everything is device dependent */
327        void *par;	
328     };
329     
330     #ifdef MODULE
331     #define FBINFO_FLAG_DEFAULT	FBINFO_FLAG_MODULE
332     #else
333     #define FBINFO_FLAG_DEFAULT	0
334     #endif
335     
336         /*
337          *  This structure abstracts from the underlying hardware. It is not
338          *  mandatory but used by the `generic' frame buffer operations.
339          *  Read drivers/video/skeletonfb.c for more information.
340          */
341     
342     struct fbgen_hwswitch {
343         void (*detect)(void);
344         int (*encode_fix)(struct fb_fix_screeninfo *fix, const void *par,
345     		      struct fb_info_gen *info);
346         int (*decode_var)(const struct fb_var_screeninfo *var, void *par,
347     		      struct fb_info_gen *info);
348         int (*encode_var)(struct fb_var_screeninfo *var, const void *par,
349     		      struct fb_info_gen *info);
350         void (*get_par)(void *par, struct fb_info_gen *info);
351         void (*set_par)(const void *par, struct fb_info_gen *info);
352         int (*getcolreg)(unsigned regno, unsigned *red, unsigned *green,
353     		     unsigned *blue, unsigned *transp, struct fb_info *info);
354         int (*setcolreg)(unsigned regno, unsigned red, unsigned green,
355     		     unsigned blue, unsigned transp, struct fb_info *info);
356         int (*pan_display)(const struct fb_var_screeninfo *var,
357     		       struct fb_info_gen *info);
358         int (*blank)(int blank_mode, struct fb_info_gen *info);
359         void (*set_disp)(const void *par, struct display *disp,
360     		     struct fb_info_gen *info);
361     };
362     
363     struct fb_info_gen {
364         struct fb_info info;
365     
366         /* Entries for a generic frame buffer device */
367         /* Yes, this starts looking like C++ */
368         u_int parsize;
369         struct fbgen_hwswitch *fbhw;
370     
371        /* From here on everything is device dependent */
372     };
373     
374         /*
375          *  `Generic' versions of the frame buffer device operations
376          */
377     
378     extern int fbgen_get_fix(struct fb_fix_screeninfo *fix, int con,
379     			 struct fb_info *info);
380     extern int fbgen_get_var(struct fb_var_screeninfo *var, int con,
381     			 struct fb_info *info);
382     extern int fbgen_set_var(struct fb_var_screeninfo *var, int con,
383     			 struct fb_info *info);
384     extern int fbgen_get_cmap(struct fb_cmap *cmap, int kspc, int con,
385     			  struct fb_info *info);
386     extern int fbgen_set_cmap(struct fb_cmap *cmap, int kspc, int con,
387     			  struct fb_info *info);
388     extern int fbgen_pan_display(struct fb_var_screeninfo *var, int con,
389     			     struct fb_info *info);
390     
391         /*
392          *  Helper functions
393          */
394     
395     extern int fbgen_do_set_var(struct fb_var_screeninfo *var, int isactive,
396     			    struct fb_info_gen *info);
397     extern void fbgen_set_disp(int con, struct fb_info_gen *info);
398     extern void fbgen_install_cmap(int con, struct fb_info_gen *info);
399     extern int fbgen_update_var(int con, struct fb_info *info);
400     extern int fbgen_switch(int con, struct fb_info *info);
401     extern void fbgen_blank(int blank, struct fb_info *info);
402     
403     
404     /* drivers/video/fbmem.c */
405     extern int register_framebuffer(struct fb_info *fb_info);
406     extern int unregister_framebuffer(struct fb_info *fb_info);
407     
408     extern int num_registered_fb;
409     extern struct fb_info *registered_fb[FB_MAX];
410     
411     /* drivers/video/fbmon.c */
412     extern int fbmon_valid_timings(u_int pixclock, u_int htotal, u_int vtotal,
413     			       const struct fb_info *fb_info);
414     extern int fbmon_dpms(const struct fb_info *fb_info);
415     
416     /* drivers/video/fbcmap.c */
417     extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
418     extern void fb_copy_cmap(struct fb_cmap *from, struct fb_cmap *to,
419     			 int fsfromto);
420     extern int fb_get_cmap(struct fb_cmap *cmap, int kspc,
421     		       int (*getcolreg)(u_int, u_int *, u_int *, u_int *,
422     					u_int *, struct fb_info *),
423     		       struct fb_info *fb_info);
424     extern int fb_set_cmap(struct fb_cmap *cmap, int kspc,
425     		       int (*setcolreg)(u_int, u_int, u_int, u_int, u_int,
426     					struct fb_info *),
427     		       struct fb_info *fb_info);
428     extern struct fb_cmap *fb_default_cmap(int len);
429     extern void fb_invert_cmaps(void);
430     
431     struct fb_videomode {
432         const char *name;	/* optional */
433         u32 refresh;	/* optional */
434         u32 xres;
435         u32 yres;
436         u32 pixclock;
437         u32 left_margin;
438         u32 right_margin;
439         u32 upper_margin;
440         u32 lower_margin;
441         u32 hsync_len;
442         u32 vsync_len;
443         u32 sync;
444         u32 vmode;
445     };
446     
447     #ifdef MODULE
448     static inline int fb_find_mode(struct fb_var_screeninfo *var,
449     			       struct fb_info *info, const char *mode_option,
450     			       const struct fb_videomode *db,
451     			       unsigned int dbsize,
452     			       const struct fb_videomode *default_mode,
453     			       unsigned int default_bpp)
454     {
455         extern int __fb_try_mode(struct fb_var_screeninfo *var,
456     	    		     struct fb_info *info,
457     			     const struct fb_videomode *mode,
458     			     unsigned int bpp);
459         /*
460          *  FIXME: How to make the compiler optimize vga640x400 away if
461          *         default_mode is non-NULL?
462          */
463         static const struct fb_videomode vga640x400 = {
464     	/* 640x400 @ 70 Hz, 31.5 kHz hsync */
465     	NULL, 70, 640, 400, 39721, 40, 24, 39, 9, 96, 2,
466     	0, FB_VMODE_NONINTERLACED
467         };
468         if (!default_mode)
469     	default_mode = &vga640x400;
470         if (!default_bpp)
471     	default_bpp = 8;
472         return __fb_try_mode(var, info, default_mode, default_bpp);
473     }
474     #else
475     extern int __init fb_find_mode(struct fb_var_screeninfo *var,
476     			       struct fb_info *info, const char *mode_option,
477     			       const struct fb_videomode *db,
478     			       unsigned int dbsize,
479     			       const struct fb_videomode *default_mode,
480     			       unsigned int default_bpp);
481     #endif
482     
483     #endif /* __KERNEL__ */
484     
485     #if 1
486     
487     #define FBCMD_GET_CURRENTPAR	0xDEAD0005
488     #define FBCMD_SET_CURRENTPAR	0xDEAD8005
489     
490     #endif
491     
492     
493     #if 1 /* Preliminary */
494     
495        /*
496         *    Hardware Cursor
497         */
498     
499     #define FBIOGET_FCURSORINFO     0x4607
500     #define FBIOGET_VCURSORINFO     0x4608
501     #define FBIOPUT_VCURSORINFO     0x4609
502     #define FBIOGET_CURSORSTATE     0x460A
503     #define FBIOPUT_CURSORSTATE     0x460B
504     
505     
506     struct fb_fix_cursorinfo {
507     	__u16 crsr_width;		/* width and height of the cursor in */
508     	__u16 crsr_height;		/* pixels (zero if no cursor)	*/
509     	__u16 crsr_xsize;		/* cursor size in display pixels */
510     	__u16 crsr_ysize;
511     	__u16 crsr_color1;		/* colormap entry for cursor color1 */
512     	__u16 crsr_color2;		/* colormap entry for cursor color2 */
513     };
514     
515     struct fb_var_cursorinfo {
516     	__u16 width;
517     	__u16 height;
518     	__u16 xspot;
519     	__u16 yspot;
520     	__u8 data[1];			/* field with [height][width]        */
521     };
522     
523     struct fb_cursorstate {
524     	__s16 xoffset;
525     	__s16 yoffset;
526     	__u16 mode;
527     };
528     
529     #define FB_CURSOR_OFF		0
530     #define FB_CURSOR_ON		1
531     #define FB_CURSOR_FLASH		2
532     
533     #endif /* Preliminary */
534     
535     #endif /* _LINUX_FB_H */
536