1#ifndef _LINUX_FB_H
2#define _LINUX_FB_H
3
4#include <linux/kgdb.h>
5#include <uapi/linux/fb.h>
6
7#define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor_user)
8
9#include <linux/fs.h>
10#include <linux/init.h>
11#include <linux/workqueue.h>
12#include <linux/notifier.h>
13#include <linux/list.h>
14#include <linux/backlight.h>
15#include <linux/slab.h>
16#include <asm/io.h>
17
18struct vm_area_struct;
19struct fb_info;
20struct device;
21struct file;
22struct videomode;
23struct device_node;
24
25
26#define FB_DPMS_ACTIVE_OFF 1
27#define FB_DPMS_SUSPEND 2
28#define FB_DPMS_STANDBY 4
29
30#define FB_DISP_DDI 1
31#define FB_DISP_ANA_700_300 2
32#define FB_DISP_ANA_714_286 4
33#define FB_DISP_ANA_1000_400 8
34#define FB_DISP_ANA_700_000 16
35
36#define FB_DISP_MONO 32
37#define FB_DISP_RGB 64
38#define FB_DISP_MULTI 128
39#define FB_DISP_UNKNOWN 256
40
41#define FB_SIGNAL_NONE 0
42#define FB_SIGNAL_BLANK_BLANK 1
43#define FB_SIGNAL_SEPARATE 2
44#define FB_SIGNAL_COMPOSITE 4
45#define FB_SIGNAL_SYNC_ON_GREEN 8
46#define FB_SIGNAL_SERRATION_ON 16
47
48#define FB_MISC_PRIM_COLOR 1
49#define FB_MISC_1ST_DETAIL 2
50struct fb_chroma {
51 __u32 redx;
52 __u32 greenx;
53 __u32 bluex;
54 __u32 whitex;
55 __u32 redy;
56 __u32 greeny;
57 __u32 bluey;
58 __u32 whitey;
59};
60
61struct fb_monspecs {
62 struct fb_chroma chroma;
63 struct fb_videomode *modedb;
64 __u8 manufacturer[4];
65 __u8 monitor[14];
66 __u8 serial_no[14];
67 __u8 ascii[14];
68 __u32 modedb_len;
69 __u32 model;
70 __u32 serial;
71 __u32 year;
72 __u32 week;
73 __u32 hfmin;
74 __u32 hfmax;
75 __u32 dclkmin;
76 __u32 dclkmax;
77 __u16 input;
78 __u16 dpms;
79 __u16 signal;
80 __u16 vfmin;
81 __u16 vfmax;
82 __u16 gamma;
83 __u16 gtf : 1;
84 __u16 misc;
85 __u8 version;
86 __u8 revision;
87 __u8 max_x;
88 __u8 max_y;
89};
90
91struct fb_cmap_user {
92 __u32 start;
93 __u32 len;
94 __u16 __user *red;
95 __u16 __user *green;
96 __u16 __user *blue;
97 __u16 __user *transp;
98};
99
100struct fb_image_user {
101 __u32 dx;
102 __u32 dy;
103 __u32 width;
104 __u32 height;
105 __u32 fg_color;
106 __u32 bg_color;
107 __u8 depth;
108 const char __user *data;
109 struct fb_cmap_user cmap;
110};
111
112struct fb_cursor_user {
113 __u16 set;
114 __u16 enable;
115 __u16 rop;
116 const char __user *mask;
117 struct fbcurpos hot;
118 struct fb_image_user image;
119};
120
121
122
123
124
125
126#define FB_EVENT_MODE_CHANGE 0x01
127
128
129
130#define FB_EVENT_SUSPEND 0x02
131
132
133
134#define FB_EVENT_RESUME 0x03
135
136#define FB_EVENT_MODE_DELETE 0x04
137
138#define FB_EVENT_FB_REGISTERED 0x05
139
140#define FB_EVENT_FB_UNREGISTERED 0x06
141
142#define FB_EVENT_GET_CONSOLE_MAP 0x07
143
144#define FB_EVENT_SET_CONSOLE_MAP 0x08
145
146#define FB_EVENT_BLANK 0x09
147
148#define FB_EVENT_NEW_MODELIST 0x0A
149
150
151#define FB_EVENT_MODE_CHANGE_ALL 0x0B
152
153#define FB_EVENT_CONBLANK 0x0C
154
155#define FB_EVENT_GET_REQ 0x0D
156
157#define FB_EVENT_FB_UNBIND 0x0E
158
159#define FB_EVENT_REMAP_ALL_CONSOLE 0x0F
160
161#define FB_EARLY_EVENT_BLANK 0x10
162
163#define FB_R_EARLY_EVENT_BLANK 0x11
164
165struct fb_event {
166 struct fb_info *info;
167 void *data;
168};
169
170struct fb_blit_caps {
171 u32 x;
172 u32 y;
173 u32 len;
174 u32 flags;
175};
176
177extern int fb_register_client(struct notifier_block *nb);
178extern int fb_unregister_client(struct notifier_block *nb);
179extern int fb_notifier_call_chain(unsigned long val, void *v);
180
181
182
183
184
185
186
187
188#define FB_PIXMAP_DEFAULT 1
189#define FB_PIXMAP_SYSTEM 2
190#define FB_PIXMAP_IO 4
191#define FB_PIXMAP_SYNC 256
192
193struct fb_pixmap {
194 u8 *addr;
195 u32 size;
196 u32 offset;
197 u32 buf_align;
198 u32 scan_align;
199 u32 access_align;
200 u32 flags;
201 u32 blit_x;
202 u32 blit_y;
203
204
205
206 void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size);
207 void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size);
208};
209
210#ifdef CONFIG_FB_DEFERRED_IO
211struct fb_deferred_io {
212
213 unsigned long delay;
214 struct mutex lock;
215 struct list_head pagelist;
216
217 void (*first_io)(struct fb_info *info);
218 void (*deferred_io)(struct fb_info *info, struct list_head *pagelist);
219};
220#endif
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236struct fb_ops {
237
238 struct module *owner;
239 int (*fb_open)(struct fb_info *info, int user);
240 int (*fb_release)(struct fb_info *info, int user);
241
242
243
244
245 ssize_t (*fb_read)(struct fb_info *info, char __user *buf,
246 size_t count, loff_t *ppos);
247 ssize_t (*fb_write)(struct fb_info *info, const char __user *buf,
248 size_t count, loff_t *ppos);
249
250
251
252 int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info);
253
254
255 int (*fb_set_par)(struct fb_info *info);
256
257
258 int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green,
259 unsigned blue, unsigned transp, struct fb_info *info);
260
261
262 int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info);
263
264
265 int (*fb_blank)(int blank, struct fb_info *info);
266
267
268 int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info);
269
270
271 void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect);
272
273 void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region);
274
275 void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image);
276
277
278 int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor);
279
280
281 void (*fb_rotate)(struct fb_info *info, int angle);
282
283
284 int (*fb_sync)(struct fb_info *info);
285
286
287 int (*fb_ioctl)(struct fb_info *info, unsigned int cmd,
288 unsigned long arg);
289
290
291 int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd,
292 unsigned long arg);
293
294
295 int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma);
296
297
298 void (*fb_get_caps)(struct fb_info *info, struct fb_blit_caps *caps,
299 struct fb_var_screeninfo *var);
300
301
302 void (*fb_destroy)(struct fb_info *info);
303
304
305 int (*fb_debug_enter)(struct fb_info *info);
306 int (*fb_debug_leave)(struct fb_info *info);
307};
308
309#ifdef CONFIG_FB_TILEBLITTING
310#define FB_TILE_CURSOR_NONE 0
311#define FB_TILE_CURSOR_UNDERLINE 1
312#define FB_TILE_CURSOR_LOWER_THIRD 2
313#define FB_TILE_CURSOR_LOWER_HALF 3
314#define FB_TILE_CURSOR_TWO_THIRDS 4
315#define FB_TILE_CURSOR_BLOCK 5
316
317struct fb_tilemap {
318 __u32 width;
319 __u32 height;
320 __u32 depth;
321 __u32 length;
322 const __u8 *data;
323
324};
325
326struct fb_tilerect {
327 __u32 sx;
328 __u32 sy;
329 __u32 width;
330 __u32 height;
331 __u32 index;
332 __u32 fg;
333 __u32 bg;
334 __u32 rop;
335};
336
337struct fb_tilearea {
338 __u32 sx;
339 __u32 sy;
340 __u32 dx;
341 __u32 dy;
342 __u32 width;
343 __u32 height;
344};
345
346struct fb_tileblit {
347 __u32 sx;
348 __u32 sy;
349 __u32 width;
350 __u32 height;
351 __u32 fg;
352 __u32 bg;
353 __u32 length;
354 __u32 *indices;
355};
356
357struct fb_tilecursor {
358 __u32 sx;
359 __u32 sy;
360 __u32 mode;
361 __u32 shape;
362 __u32 fg;
363 __u32 bg;
364};
365
366struct fb_tile_ops {
367
368 void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map);
369
370
371
372
373 void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area);
374
375 void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect);
376
377 void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit);
378
379 void (*fb_tilecursor)(struct fb_info *info,
380 struct fb_tilecursor *cursor);
381
382 int (*fb_get_tilemax)(struct fb_info *info);
383};
384#endif
385
386
387#define FBINFO_DEFAULT 0
388#define FBINFO_HWACCEL_DISABLED 0x0002
389
390
391
392
393
394
395#define FBINFO_VIRTFB 0x0004
396#define FBINFO_PARTIAL_PAN_OK 0x0040
397#define FBINFO_READS_FAST 0x0080
398
399
400
401
402
403
404
405#define FBINFO_HWACCEL_NONE 0x0000
406#define FBINFO_HWACCEL_COPYAREA 0x0100
407#define FBINFO_HWACCEL_FILLRECT 0x0200
408#define FBINFO_HWACCEL_IMAGEBLIT 0x0400
409#define FBINFO_HWACCEL_ROTATE 0x0800
410#define FBINFO_HWACCEL_XPAN 0x1000
411#define FBINFO_HWACCEL_YPAN 0x2000
412#define FBINFO_HWACCEL_YWRAP 0x4000
413
414#define FBINFO_MISC_USEREVENT 0x10000
415
416#define FBINFO_MISC_TILEBLITTING 0x20000
417
418
419
420
421
422
423
424
425
426
427
428#define FBINFO_MISC_ALWAYS_SETPAR 0x40000
429
430
431#define FBINFO_MISC_FIRMWARE 0x80000
432
433
434
435#define FBINFO_FOREIGN_ENDIAN 0x100000
436
437
438
439
440
441#define FBINFO_BE_MATH 0x100000
442
443
444
445#define FBINFO_CAN_FORCE_OUTPUT 0x200000
446
447struct fb_info {
448 atomic_t count;
449 int node;
450 int flags;
451 struct mutex lock;
452 struct mutex mm_lock;
453 struct fb_var_screeninfo var;
454 struct fb_fix_screeninfo fix;
455 struct fb_monspecs monspecs;
456 struct work_struct queue;
457 struct fb_pixmap pixmap;
458 struct fb_pixmap sprite;
459 struct fb_cmap cmap;
460 struct list_head modelist;
461 struct fb_videomode *mode;
462
463#ifdef CONFIG_FB_BACKLIGHT
464
465
466
467 struct backlight_device *bl_dev;
468
469
470 struct mutex bl_curve_mutex;
471 u8 bl_curve[FB_BACKLIGHT_LEVELS];
472#endif
473#ifdef CONFIG_FB_DEFERRED_IO
474 struct delayed_work deferred_work;
475 struct fb_deferred_io *fbdefio;
476#endif
477
478 struct fb_ops *fbops;
479 struct device *device;
480 struct device *dev;
481 int class_flag;
482#ifdef CONFIG_FB_TILEBLITTING
483 struct fb_tile_ops *tileops;
484#endif
485 char __iomem *screen_base;
486 unsigned long screen_size;
487 void *pseudo_palette;
488#define FBINFO_STATE_RUNNING 0
489#define FBINFO_STATE_SUSPENDED 1
490 u32 state;
491 void *fbcon_par;
492
493 void *par;
494
495
496
497 struct apertures_struct {
498 unsigned int count;
499 struct aperture {
500 resource_size_t base;
501 resource_size_t size;
502 } ranges[0];
503 } *apertures;
504
505 bool skip_vt_switch;
506};
507
508static inline struct apertures_struct *alloc_apertures(unsigned int max_num) {
509 struct apertures_struct *a = kzalloc(sizeof(struct apertures_struct)
510 + max_num * sizeof(struct aperture), GFP_KERNEL);
511 if (!a)
512 return NULL;
513 a->count = max_num;
514 return a;
515}
516
517#define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT
518
519
520
521
522
523
524
525#define STUPID_ACCELF_TEXT_SHIT
526
527
528#if defined(__sparc__)
529
530
531
532
533
534
535#define fb_readb sbus_readb
536#define fb_readw sbus_readw
537#define fb_readl sbus_readl
538#define fb_readq sbus_readq
539#define fb_writeb sbus_writeb
540#define fb_writew sbus_writew
541#define fb_writel sbus_writel
542#define fb_writeq sbus_writeq
543#define fb_memset sbus_memset_io
544#define fb_memcpy_fromfb sbus_memcpy_fromio
545#define fb_memcpy_tofb sbus_memcpy_toio
546
547#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || defined(__avr32__) || defined(__bfin__)
548
549#define fb_readb __raw_readb
550#define fb_readw __raw_readw
551#define fb_readl __raw_readl
552#define fb_readq __raw_readq
553#define fb_writeb __raw_writeb
554#define fb_writew __raw_writew
555#define fb_writel __raw_writel
556#define fb_writeq __raw_writeq
557#define fb_memset memset_io
558#define fb_memcpy_fromfb memcpy_fromio
559#define fb_memcpy_tofb memcpy_toio
560
561#else
562
563#define fb_readb(addr) (*(volatile u8 *) (addr))
564#define fb_readw(addr) (*(volatile u16 *) (addr))
565#define fb_readl(addr) (*(volatile u32 *) (addr))
566#define fb_readq(addr) (*(volatile u64 *) (addr))
567#define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b))
568#define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b))
569#define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b))
570#define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b))
571#define fb_memset memset
572#define fb_memcpy_fromfb memcpy
573#define fb_memcpy_tofb memcpy
574
575#endif
576
577#define FB_LEFT_POS(p, bpp) (fb_be_math(p) ? (32 - (bpp)) : 0)
578#define FB_SHIFT_HIGH(p, val, bits) (fb_be_math(p) ? (val) >> (bits) : \
579 (val) << (bits))
580#define FB_SHIFT_LOW(p, val, bits) (fb_be_math(p) ? (val) << (bits) : \
581 (val) >> (bits))
582
583
584
585
586
587extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var);
588extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var);
589extern int fb_blank(struct fb_info *info, int blank);
590extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
591extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area);
592extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image);
593
594
595
596extern void sys_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
597extern void sys_copyarea(struct fb_info *info, const struct fb_copyarea *area);
598extern void sys_imageblit(struct fb_info *info, const struct fb_image *image);
599extern ssize_t fb_sys_read(struct fb_info *info, char __user *buf,
600 size_t count, loff_t *ppos);
601extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf,
602 size_t count, loff_t *ppos);
603
604
605extern int register_framebuffer(struct fb_info *fb_info);
606extern int unregister_framebuffer(struct fb_info *fb_info);
607extern int unlink_framebuffer(struct fb_info *fb_info);
608extern int remove_conflicting_framebuffers(struct apertures_struct *a,
609 const char *name, bool primary);
610extern int fb_prepare_logo(struct fb_info *fb_info, int rotate);
611extern int fb_show_logo(struct fb_info *fb_info, int rotate);
612extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size);
613extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx,
614 u32 height, u32 shift_high, u32 shift_low, u32 mod);
615extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height);
616extern void fb_set_suspend(struct fb_info *info, int state);
617extern int fb_get_color_depth(struct fb_var_screeninfo *var,
618 struct fb_fix_screeninfo *fix);
619extern int fb_get_options(const char *name, char **option);
620extern int fb_new_modelist(struct fb_info *info);
621
622extern struct fb_info *registered_fb[FB_MAX];
623extern int num_registered_fb;
624extern struct class *fb_class;
625
626extern int lock_fb_info(struct fb_info *info);
627
628static inline void unlock_fb_info(struct fb_info *info)
629{
630 mutex_unlock(&info->lock);
631}
632
633static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch,
634 u8 *src, u32 s_pitch, u32 height)
635{
636 int i, j;
637
638 d_pitch -= s_pitch;
639
640 for (i = height; i--; ) {
641
642 for (j = 0; j < s_pitch; j++)
643 *dst++ = *src++;
644 dst += d_pitch;
645 }
646}
647
648
649extern void fb_deferred_io_init(struct fb_info *info);
650extern void fb_deferred_io_open(struct fb_info *info,
651 struct inode *inode,
652 struct file *file);
653extern void fb_deferred_io_cleanup(struct fb_info *info);
654extern int fb_deferred_io_fsync(struct file *file, loff_t start,
655 loff_t end, int datasync);
656
657static inline bool fb_be_math(struct fb_info *info)
658{
659#ifdef CONFIG_FB_FOREIGN_ENDIAN
660#if defined(CONFIG_FB_BOTH_ENDIAN)
661 return info->flags & FBINFO_BE_MATH;
662#elif defined(CONFIG_FB_BIG_ENDIAN)
663 return true;
664#elif defined(CONFIG_FB_LITTLE_ENDIAN)
665 return false;
666#endif
667#else
668#ifdef __BIG_ENDIAN
669 return true;
670#else
671 return false;
672#endif
673#endif
674}
675
676
677extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev);
678extern void framebuffer_release(struct fb_info *info);
679extern int fb_init_device(struct fb_info *fb_info);
680extern void fb_cleanup_device(struct fb_info *head);
681extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max);
682
683
684#define FB_MAXTIMINGS 0
685#define FB_VSYNCTIMINGS 1
686#define FB_HSYNCTIMINGS 2
687#define FB_DCLKTIMINGS 3
688#define FB_IGNOREMON 0x100
689
690#define FB_MODE_IS_UNKNOWN 0
691#define FB_MODE_IS_DETAILED 1
692#define FB_MODE_IS_STANDARD 2
693#define FB_MODE_IS_VESA 4
694#define FB_MODE_IS_CALCULATED 8
695#define FB_MODE_IS_FIRST 16
696#define FB_MODE_IS_FROM_VAR 32
697
698extern int fbmon_dpms(const struct fb_info *fb_info);
699extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var,
700 struct fb_info *info);
701extern int fb_validate_mode(const struct fb_var_screeninfo *var,
702 struct fb_info *info);
703extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var);
704extern const unsigned char *fb_firmware_edid(struct device *device);
705extern void fb_edid_to_monspecs(unsigned char *edid,
706 struct fb_monspecs *specs);
707extern void fb_edid_add_monspecs(unsigned char *edid,
708 struct fb_monspecs *specs);
709extern void fb_destroy_modedb(struct fb_videomode *modedb);
710extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb);
711extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter);
712
713extern int of_get_fb_videomode(struct device_node *np,
714 struct fb_videomode *fb,
715 int index);
716extern int fb_videomode_from_videomode(const struct videomode *vm,
717 struct fb_videomode *fbmode);
718
719
720#define VESA_MODEDB_SIZE 34
721extern void fb_var_to_videomode(struct fb_videomode *mode,
722 const struct fb_var_screeninfo *var);
723extern void fb_videomode_to_var(struct fb_var_screeninfo *var,
724 const struct fb_videomode *mode);
725extern int fb_mode_is_equal(const struct fb_videomode *mode1,
726 const struct fb_videomode *mode2);
727extern int fb_add_videomode(const struct fb_videomode *mode,
728 struct list_head *head);
729extern void fb_delete_videomode(const struct fb_videomode *mode,
730 struct list_head *head);
731extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var,
732 struct list_head *head);
733extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var,
734 struct list_head *head);
735extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode,
736 struct list_head *head);
737extern void fb_destroy_modelist(struct list_head *head);
738extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num,
739 struct list_head *head);
740extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs,
741 struct list_head *head);
742
743
744extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
745extern int fb_alloc_cmap_gfp(struct fb_cmap *cmap, int len, int transp, gfp_t flags);
746extern void fb_dealloc_cmap(struct fb_cmap *cmap);
747extern int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to);
748extern int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to);
749extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info);
750extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info);
751extern const struct fb_cmap *fb_default_cmap(int len);
752extern void fb_invert_cmaps(void);
753
754struct fb_videomode {
755 const char *name;
756 u32 refresh;
757 u32 xres;
758 u32 yres;
759 u32 pixclock;
760 u32 left_margin;
761 u32 right_margin;
762 u32 upper_margin;
763 u32 lower_margin;
764 u32 hsync_len;
765 u32 vsync_len;
766 u32 sync;
767 u32 vmode;
768 u32 flag;
769};
770
771extern const char *fb_mode_option;
772extern const struct fb_videomode vesa_modes[];
773extern const struct fb_videomode cea_modes[64];
774
775struct fb_modelist {
776 struct list_head list;
777 struct fb_videomode mode;
778};
779
780extern int fb_find_mode(struct fb_var_screeninfo *var,
781 struct fb_info *info, const char *mode_option,
782 const struct fb_videomode *db,
783 unsigned int dbsize,
784 const struct fb_videomode *default_mode,
785 unsigned int default_bpp);
786
787#endif
788