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 #define FB_ACCEL_3DLABS_PERMEDIA3 37 /* 3Dlabs Permedia 3 */
97 #define FB_ACCEL_ATI_RADEON 38 /* ATI Radeon family */
98 #define FB_ACCEL_SIS_GLAMOUR_2 40 /* SiS 315, 650, 740 */
99 #define FB_ACCEL_SIS_XABRE 41 /* SiS 330 ("Xabre") */
100 #define FB_ACCEL_EPSON_SED1356 42 /* Epson SED1356 */
101
102 #define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */
103 #define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */
104 #define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */
105 #define FB_ACCEL_NEOMAGIC_NM2097 93 /* NeoMagic NM2097 */
106 #define FB_ACCEL_NEOMAGIC_NM2160 94 /* NeoMagic NM2160 */
107 #define FB_ACCEL_NEOMAGIC_NM2200 95 /* NeoMagic NM2200 */
108 #define FB_ACCEL_NEOMAGIC_NM2230 96 /* NeoMagic NM2230 */
109 #define FB_ACCEL_NEOMAGIC_NM2360 97 /* NeoMagic NM2360 */
110 #define FB_ACCEL_NEOMAGIC_NM2380 98 /* NeoMagic NM2380 */
111
112
113 struct fb_fix_screeninfo {
114 char id[16]; /* identification string eg "TT Builtin" */
115 unsigned long smem_start; /* Start of frame buffer mem */
116 /* (physical address) */
117 __u32 smem_len; /* Length of frame buffer mem */
118 __u32 type; /* see FB_TYPE_* */
119 __u32 type_aux; /* Interleave for interleaved Planes */
120 __u32 visual; /* see FB_VISUAL_* */
121 __u16 xpanstep; /* zero if no hardware panning */
122 __u16 ypanstep; /* zero if no hardware panning */
123 __u16 ywrapstep; /* zero if no hardware ywrap */
124 __u32 line_length; /* length of a line in bytes */
125 unsigned long mmio_start; /* Start of Memory Mapped I/O */
126 /* (physical address) */
127 __u32 mmio_len; /* Length of Memory Mapped I/O */
128 __u32 accel; /* Type of acceleration available */
129 __u16 reserved[3]; /* Reserved for future compatibility */
130 };
131
132 /* Interpretation of offset for color fields: All offsets are from the right,
133 * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
134 * can use the offset as right argument to <<). A pixel afterwards is a bit
135 * stream and is written to video memory as that unmodified. This implies
136 * big-endian byte order if bits_per_pixel is greater than 8.
137 */
138 struct fb_bitfield {
139 __u32 offset; /* beginning of bitfield */
140 __u32 length; /* length of bitfield */
141 __u32 msb_right; /* != 0 : Most significant bit is */
142 /* right */
143 };
144
145 #define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */
146
147 #define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/
148 #define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */
149 #define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */
150 #define FB_ACTIVATE_MASK 15
151 /* values */
152 #define FB_ACTIVATE_VBL 16 /* activate values on next vbl */
153 #define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */
154 #define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */
155
156 #define FB_ACCELF_TEXT 1 /* text mode acceleration */
157
158 #define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */
159 #define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */
160 #define FB_SYNC_EXT 4 /* external sync */
161 #define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */
162 #define FB_SYNC_BROADCAST 16 /* broadcast video timings */
163 /* vtotal = 144d/288n/576i => PAL */
164 /* vtotal = 121d/242n/484i => NTSC */
165 #define FB_SYNC_ON_GREEN 32 /* sync on green */
166
167 #define FB_VMODE_NONINTERLACED 0 /* non interlaced */
168 #define FB_VMODE_INTERLACED 1 /* interlaced */
169 #define FB_VMODE_DOUBLE 2 /* double scan */
170 #define FB_VMODE_MASK 255
171
172 #define FB_VMODE_YWRAP 256 /* ywrap instead of panning */
173 #define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */
174 #define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */
175
176 struct fb_var_screeninfo {
177 __u32 xres; /* visible resolution */
178 __u32 yres;
179 __u32 xres_virtual; /* virtual resolution */
180 __u32 yres_virtual;
181 __u32 xoffset; /* offset from virtual to visible */
182 __u32 yoffset; /* resolution */
183
184 __u32 bits_per_pixel; /* guess what */
185 __u32 grayscale; /* != 0 Graylevels instead of colors */
186
187 struct fb_bitfield red; /* bitfield in fb mem if true color, */
188 struct fb_bitfield green; /* else only length is significant */
189 struct fb_bitfield blue;
190 struct fb_bitfield transp; /* transparency */
191
192 __u32 nonstd; /* != 0 Non standard pixel format */
193
194 __u32 activate; /* see FB_ACTIVATE_* */
195
196 __u32 height; /* height of picture in mm */
197 __u32 width; /* width of picture in mm */
198
199 __u32 accel_flags; /* acceleration flags (hints) */
200
201 /* Timing: All values in pixclocks, except pixclock (of course) */
202 __u32 pixclock; /* pixel clock in ps (pico seconds) */
203 __u32 left_margin; /* time from sync to picture */
204 __u32 right_margin; /* time from picture to sync */
205 __u32 upper_margin; /* time from sync to picture */
206 __u32 lower_margin;
207 __u32 hsync_len; /* length of horizontal sync */
208 __u32 vsync_len; /* length of vertical sync */
209 __u32 sync; /* see FB_SYNC_* */
210 __u32 vmode; /* see FB_VMODE_* */
211 __u32 reserved[6]; /* Reserved for future compatibility */
212 };
213
214 struct fb_cmap {
215 __u32 start; /* First entry */
216 __u32 len; /* Number of entries */
217 __u16 *red; /* Red values */
218 __u16 *green;
219 __u16 *blue;
220 __u16 *transp; /* transparency, can be NULL */
221 };
222
223 struct fb_con2fbmap {
224 __u32 console;
225 __u32 framebuffer;
226 };
227
228 /* VESA Blanking Levels */
229 #define VESA_NO_BLANKING 0
230 #define VESA_VSYNC_SUSPEND 1
231 #define VESA_HSYNC_SUSPEND 2
232 #define VESA_POWERDOWN 3
233
234 struct fb_monspecs {
235 __u32 hfmin; /* hfreq lower limit (Hz) */
236 __u32 hfmax; /* hfreq upper limit (Hz) */
237 __u16 vfmin; /* vfreq lower limit (Hz) */
238 __u16 vfmax; /* vfreq upper limit (Hz) */
239 unsigned dpms : 1; /* supports DPMS */
240 };
241
242 #define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */
243 #define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */
244 #define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */
245 #define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */
246 #define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */
247 #define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */
248 #define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */
249 #define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */
250 #define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */
251
252 struct fb_vblank {
253 __u32 flags; /* FB_VBLANK flags */
254 __u32 count; /* counter of retraces since boot */
255 __u32 vcount; /* current scanline position */
256 __u32 hcount; /* current scandot position */
257 __u32 reserved[4]; /* reserved for future compatibility */
258 };
259
260 #ifdef __KERNEL__
261
262 #if 1 /* to go away in 2.5.0 */
263 extern int GET_FB_IDX(kdev_t rdev);
264 #else
265 #define GET_FB_IDX(node) (MINOR(node))
266 #endif
267
268 #include <linux/fs.h>
269 #include <linux/init.h>
270 #include <linux/devfs_fs_kernel.h>
271
272
273 struct fb_info;
274 struct fb_info_gen;
275 struct vm_area_struct;
276 struct file;
277
278 /*
279 * Frame buffer operations
280 */
281
282 struct fb_ops {
283 /* open/release and usage marking */
284 struct module *owner;
285 int (*fb_open)(struct fb_info *info, int user);
286 int (*fb_release)(struct fb_info *info, int user);
287 /* get non settable parameters */
288 int (*fb_get_fix)(struct fb_fix_screeninfo *fix, int con,
289 struct fb_info *info);
290 /* get settable parameters */
291 int (*fb_get_var)(struct fb_var_screeninfo *var, int con,
292 struct fb_info *info);
293 /* set settable parameters */
294 int (*fb_set_var)(struct fb_var_screeninfo *var, int con,
295 struct fb_info *info);
296 /* get colormap */
297 int (*fb_get_cmap)(struct fb_cmap *cmap, int kspc, int con,
298 struct fb_info *info);
299 /* set colormap */
300 int (*fb_set_cmap)(struct fb_cmap *cmap, int kspc, int con,
301 struct fb_info *info);
302 /* pan display (optional) */
303 int (*fb_pan_display)(struct fb_var_screeninfo *var, int con,
304 struct fb_info *info);
305 /* perform fb specific ioctl (optional) */
306 int (*fb_ioctl)(struct inode *inode, struct file *file, unsigned int cmd,
307 unsigned long arg, int con, struct fb_info *info);
308 /* perform fb specific mmap */
309 int (*fb_mmap)(struct fb_info *info, struct file *file, struct vm_area_struct *vma);
310 /* switch to/from raster image mode */
311 int (*fb_rasterimg)(struct fb_info *info, int start);
312 };
313
314 struct fb_info {
315 char modename[40]; /* default video mode */
316 kdev_t node;
317 int flags;
318 int open; /* Has this been open already ? */
319 #define FBINFO_FLAG_MODULE 1 /* Low-level driver is a module */
320 struct fb_var_screeninfo var; /* Current var */
321 struct fb_fix_screeninfo fix; /* Current fix */
322 struct fb_monspecs monspecs; /* Current Monitor specs */
323 struct fb_cmap cmap; /* Current cmap */
324 struct fb_ops *fbops;
325 char *screen_base; /* Virtual address */
326 u32 mapped_vram; /* ioremap()'ed VRAM */
327 struct display *disp; /* initial display variable */
328 struct vc_data *display_fg; /* Console visible on this display */
329 char fontname[40]; /* default font name */
330 devfs_handle_t devfs_handle; /* Devfs handle for new name */
331 devfs_handle_t devfs_lhandle; /* Devfs handle for compat. symlink */
332 int (*changevar)(int); /* tell console var has changed */
333 int (*switch_con)(int, struct fb_info*);
334 /* tell fb to switch consoles */
335 int (*updatevar)(int, struct fb_info*);
336 /* tell fb to update the vars */
337 void (*blank)(int, struct fb_info*); /* tell fb to (un)blank the screen */
338 /* arg = 0: unblank */
339 /* arg > 0: VESA level (arg-1) */
340 void *pseudo_palette; /* Fake palette of 16 colors and
341 the cursor's color for non
342 palette mode */
343 /* From here on everything is device dependent */
344 void *par;
345 };
346
347 #ifdef MODULE
348 #define FBINFO_FLAG_DEFAULT FBINFO_FLAG_MODULE
349 #else
350 #define FBINFO_FLAG_DEFAULT 0
351 #endif
352
353 /*
354 * This structure abstracts from the underlying hardware. It is not
355 * mandatory but used by the `generic' frame buffer operations.
356 * Read drivers/video/skeletonfb.c for more information.
357 */
358
359 struct fbgen_hwswitch {
360 void (*detect)(void);
361 int (*encode_fix)(struct fb_fix_screeninfo *fix, const void *par,
362 struct fb_info_gen *info);
363 int (*decode_var)(const struct fb_var_screeninfo *var, void *par,
364 struct fb_info_gen *info);
365 int (*encode_var)(struct fb_var_screeninfo *var, const void *par,
366 struct fb_info_gen *info);
367 void (*get_par)(void *par, struct fb_info_gen *info);
368 void (*set_par)(const void *par, struct fb_info_gen *info);
369 int (*getcolreg)(unsigned regno, unsigned *red, unsigned *green,
370 unsigned *blue, unsigned *transp, struct fb_info *info);
371 int (*setcolreg)(unsigned regno, unsigned red, unsigned green,
372 unsigned blue, unsigned transp, struct fb_info *info);
373 int (*pan_display)(const struct fb_var_screeninfo *var,
374 struct fb_info_gen *info);
375 int (*blank)(int blank_mode, struct fb_info_gen *info);
376 void (*set_disp)(const void *par, struct display *disp,
377 struct fb_info_gen *info);
378 };
379
380 struct fb_info_gen {
381 struct fb_info info;
382
383 /* Entries for a generic frame buffer device */
384 /* Yes, this starts looking like C++ */
385 u_int parsize;
386 struct fbgen_hwswitch *fbhw;
387
388 /* From here on everything is device dependent */
389 };
390
391 /*
392 * `Generic' versions of the frame buffer device operations
393 */
394
395 extern int fbgen_get_fix(struct fb_fix_screeninfo *fix, int con,
396 struct fb_info *info);
397 extern int fbgen_get_var(struct fb_var_screeninfo *var, int con,
398 struct fb_info *info);
399 extern int fbgen_set_var(struct fb_var_screeninfo *var, int con,
400 struct fb_info *info);
401 extern int fbgen_get_cmap(struct fb_cmap *cmap, int kspc, int con,
402 struct fb_info *info);
403 extern int fbgen_set_cmap(struct fb_cmap *cmap, int kspc, int con,
404 struct fb_info *info);
405 extern int fbgen_pan_display(struct fb_var_screeninfo *var, int con,
406 struct fb_info *info);
407
408 /*
409 * Helper functions
410 */
411
412 extern int fbgen_do_set_var(struct fb_var_screeninfo *var, int isactive,
413 struct fb_info_gen *info);
414 extern void fbgen_set_disp(int con, struct fb_info_gen *info);
415 extern void fbgen_install_cmap(int con, struct fb_info_gen *info);
416 extern int fbgen_update_var(int con, struct fb_info *info);
417 extern int fbgen_switch(int con, struct fb_info *info);
418 extern void fbgen_blank(int blank, struct fb_info *info);
419
420
421 /* drivers/video/fbmem.c */
422 extern int register_framebuffer(struct fb_info *fb_info);
423 extern int unregister_framebuffer(struct fb_info *fb_info);
424
425 extern int num_registered_fb;
426 extern struct fb_info *registered_fb[FB_MAX];
427
428 /* drivers/video/fbmon.c */
429 extern int fbmon_valid_timings(u_int pixclock, u_int htotal, u_int vtotal,
430 const struct fb_info *fb_info);
431 extern int fbmon_dpms(const struct fb_info *fb_info);
432
433 /* drivers/video/fbcmap.c */
434 extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
435 extern void fb_copy_cmap(struct fb_cmap *from, struct fb_cmap *to,
436 int fsfromto);
437 extern int fb_get_cmap(struct fb_cmap *cmap, int kspc,
438 int (*getcolreg)(u_int, u_int *, u_int *, u_int *,
439 u_int *, struct fb_info *),
440 struct fb_info *fb_info);
441 extern int fb_set_cmap(struct fb_cmap *cmap, int kspc,
442 int (*setcolreg)(u_int, u_int, u_int, u_int, u_int,
443 struct fb_info *),
444 struct fb_info *fb_info);
445 extern struct fb_cmap *fb_default_cmap(int len);
446 extern void fb_invert_cmaps(void);
447
448 struct fb_videomode {
449 const char *name; /* optional */
450 u32 refresh; /* optional */
451 u32 xres;
452 u32 yres;
453 u32 pixclock;
454 u32 left_margin;
455 u32 right_margin;
456 u32 upper_margin;
457 u32 lower_margin;
458 u32 hsync_len;
459 u32 vsync_len;
460 u32 sync;
461 u32 vmode;
462 };
463
464 #ifdef MODULE
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)465 static inline int fb_find_mode(struct fb_var_screeninfo *var,
466 struct fb_info *info, const char *mode_option,
467 const struct fb_videomode *db,
468 unsigned int dbsize,
469 const struct fb_videomode *default_mode,
470 unsigned int default_bpp)
471 {
472 extern int __fb_try_mode(struct fb_var_screeninfo *var,
473 struct fb_info *info,
474 const struct fb_videomode *mode,
475 unsigned int bpp);
476 /*
477 * FIXME: How to make the compiler optimize vga640x400 away if
478 * default_mode is non-NULL?
479 */
480 static const struct fb_videomode vga640x400 = {
481 /* 640x400 @ 70 Hz, 31.5 kHz hsync */
482 NULL, 70, 640, 400, 39721, 40, 24, 39, 9, 96, 2,
483 0, FB_VMODE_NONINTERLACED
484 };
485 if (!default_mode)
486 default_mode = &vga640x400;
487 if (!default_bpp)
488 default_bpp = 8;
489 return __fb_try_mode(var, info, default_mode, default_bpp);
490 }
491 #else
492 extern int __init fb_find_mode(struct fb_var_screeninfo *var,
493 struct fb_info *info, const char *mode_option,
494 const struct fb_videomode *db,
495 unsigned int dbsize,
496 const struct fb_videomode *default_mode,
497 unsigned int default_bpp);
498 #endif
499
500 #endif /* __KERNEL__ */
501
502 #if 1
503
504 #define FBCMD_GET_CURRENTPAR 0xDEAD0005
505 #define FBCMD_SET_CURRENTPAR 0xDEAD8005
506
507 #endif
508
509
510 #if 1 /* Preliminary */
511
512 /*
513 * Hardware Cursor
514 */
515
516 #define FBIOGET_FCURSORINFO 0x4607
517 #define FBIOGET_VCURSORINFO 0x4608
518 #define FBIOPUT_VCURSORINFO 0x4609
519 #define FBIOGET_CURSORSTATE 0x460A
520 #define FBIOPUT_CURSORSTATE 0x460B
521
522
523 struct fb_fix_cursorinfo {
524 __u16 crsr_width; /* width and height of the cursor in */
525 __u16 crsr_height; /* pixels (zero if no cursor) */
526 __u16 crsr_xsize; /* cursor size in display pixels */
527 __u16 crsr_ysize;
528 __u16 crsr_color1; /* colormap entry for cursor color1 */
529 __u16 crsr_color2; /* colormap entry for cursor color2 */
530 };
531
532 struct fb_var_cursorinfo {
533 __u16 width;
534 __u16 height;
535 __u16 xspot;
536 __u16 yspot;
537 __u8 data[1]; /* field with [height][width] */
538 };
539
540 struct fb_cursorstate {
541 __s16 xoffset;
542 __s16 yoffset;
543 __u16 mode;
544 };
545
546 #define FB_CURSOR_OFF 0
547 #define FB_CURSOR_ON 1
548 #define FB_CURSOR_FLASH 2
549
550 #endif /* Preliminary */
551
552 #endif /* _LINUX_FB_H */
553