1
2#ifndef _LINUX_FB_H
3#define _LINUX_FB_H
4
5#include <linux/refcount.h>
6#include <linux/kgdb.h>
7#include <uapi/linux/fb.h>
8
9#define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor_user)
10
11#include <linux/fs.h>
12#include <linux/init.h>
13#include <linux/workqueue.h>
14#include <linux/notifier.h>
15#include <linux/list.h>
16#include <linux/backlight.h>
17#include <linux/slab.h>
18#include <asm/io.h>
19
20struct vm_area_struct;
21struct fb_info;
22struct device;
23struct file;
24struct videomode;
25struct device_node;
26
27
28#define FB_DPMS_ACTIVE_OFF 1
29#define FB_DPMS_SUSPEND 2
30#define FB_DPMS_STANDBY 4
31
32#define FB_DISP_DDI 1
33#define FB_DISP_ANA_700_300 2
34#define FB_DISP_ANA_714_286 4
35#define FB_DISP_ANA_1000_400 8
36#define FB_DISP_ANA_700_000 16
37
38#define FB_DISP_MONO 32
39#define FB_DISP_RGB 64
40#define FB_DISP_MULTI 128
41#define FB_DISP_UNKNOWN 256
42
43#define FB_SIGNAL_NONE 0
44#define FB_SIGNAL_BLANK_BLANK 1
45#define FB_SIGNAL_SEPARATE 2
46#define FB_SIGNAL_COMPOSITE 4
47#define FB_SIGNAL_SYNC_ON_GREEN 8
48#define FB_SIGNAL_SERRATION_ON 16
49
50#define FB_MISC_PRIM_COLOR 1
51#define FB_MISC_1ST_DETAIL 2
52#define FB_MISC_HDMI 4
53struct fb_chroma {
54 __u32 redx;
55 __u32 greenx;
56 __u32 bluex;
57 __u32 whitex;
58 __u32 redy;
59 __u32 greeny;
60 __u32 bluey;
61 __u32 whitey;
62};
63
64struct fb_monspecs {
65 struct fb_chroma chroma;
66 struct fb_videomode *modedb;
67 __u8 manufacturer[4];
68 __u8 monitor[14];
69 __u8 serial_no[14];
70 __u8 ascii[14];
71 __u32 modedb_len;
72 __u32 model;
73 __u32 serial;
74 __u32 year;
75 __u32 week;
76 __u32 hfmin;
77 __u32 hfmax;
78 __u32 dclkmin;
79 __u32 dclkmax;
80 __u16 input;
81 __u16 dpms;
82 __u16 signal;
83 __u16 vfmin;
84 __u16 vfmax;
85 __u16 gamma;
86 __u16 gtf : 1;
87 __u16 misc;
88 __u8 version;
89 __u8 revision;
90 __u8 max_x;
91 __u8 max_y;
92};
93
94struct fb_cmap_user {
95 __u32 start;
96 __u32 len;
97 __u16 __user *red;
98 __u16 __user *green;
99 __u16 __user *blue;
100 __u16 __user *transp;
101};
102
103struct fb_image_user {
104 __u32 dx;
105 __u32 dy;
106 __u32 width;
107 __u32 height;
108 __u32 fg_color;
109 __u32 bg_color;
110 __u8 depth;
111 const char __user *data;
112 struct fb_cmap_user cmap;
113};
114
115struct fb_cursor_user {
116 __u16 set;
117 __u16 enable;
118 __u16 rop;
119 const char __user *mask;
120 struct fbcurpos hot;
121 struct fb_image_user image;
122};
123
124
125
126
127
128
129#define FB_EVENT_MODE_CHANGE 0x01
130
131#ifdef CONFIG_GUMSTIX_AM200EPD
132
133#define FB_EVENT_FB_REGISTERED 0x05
134#define FB_EVENT_FB_UNREGISTERED 0x06
135#endif
136
137
138#define FB_EVENT_BLANK 0x09
139
140struct fb_event {
141 struct fb_info *info;
142 void *data;
143};
144
145struct fb_blit_caps {
146 u32 x;
147 u32 y;
148 u32 len;
149 u32 flags;
150};
151
152#ifdef CONFIG_FB_NOTIFY
153extern int fb_register_client(struct notifier_block *nb);
154extern int fb_unregister_client(struct notifier_block *nb);
155extern int fb_notifier_call_chain(unsigned long val, void *v);
156#else
157static inline int fb_register_client(struct notifier_block *nb)
158{
159 return 0;
160};
161
162static inline int fb_unregister_client(struct notifier_block *nb)
163{
164 return 0;
165};
166
167static inline int fb_notifier_call_chain(unsigned long val, void *v)
168{
169 return 0;
170};
171#endif
172
173
174
175
176
177
178
179
180
181#define FB_PIXMAP_DEFAULT 1
182#define FB_PIXMAP_SYSTEM 2
183#define FB_PIXMAP_IO 4
184#define FB_PIXMAP_SYNC 256
185
186struct fb_pixmap {
187 u8 *addr;
188 u32 size;
189 u32 offset;
190 u32 buf_align;
191 u32 scan_align;
192 u32 access_align;
193 u32 flags;
194 u32 blit_x;
195 u32 blit_y;
196
197
198
199 void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size);
200 void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size);
201};
202
203#ifdef CONFIG_FB_DEFERRED_IO
204struct fb_deferred_io {
205
206 unsigned long delay;
207 struct mutex lock;
208 struct list_head pagelist;
209
210 void (*first_io)(struct fb_info *info);
211 void (*deferred_io)(struct fb_info *info, struct list_head *pagelist);
212};
213#endif
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229struct fb_ops {
230
231 struct module *owner;
232 int (*fb_open)(struct fb_info *info, int user);
233 int (*fb_release)(struct fb_info *info, int user);
234
235
236
237
238 ssize_t (*fb_read)(struct fb_info *info, char __user *buf,
239 size_t count, loff_t *ppos);
240 ssize_t (*fb_write)(struct fb_info *info, const char __user *buf,
241 size_t count, loff_t *ppos);
242
243
244
245 int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info);
246
247
248 int (*fb_set_par)(struct fb_info *info);
249
250
251 int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green,
252 unsigned blue, unsigned transp, struct fb_info *info);
253
254
255 int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info);
256
257
258 int (*fb_blank)(int blank, struct fb_info *info);
259
260
261 int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info);
262
263
264 void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect);
265
266 void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region);
267
268 void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image);
269
270
271 int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor);
272
273
274 int (*fb_sync)(struct fb_info *info);
275
276
277 int (*fb_ioctl)(struct fb_info *info, unsigned int cmd,
278 unsigned long arg);
279
280
281 int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd,
282 unsigned long arg);
283
284
285 int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma);
286
287
288 void (*fb_get_caps)(struct fb_info *info, struct fb_blit_caps *caps,
289 struct fb_var_screeninfo *var);
290
291
292 void (*fb_destroy)(struct fb_info *info);
293
294
295 int (*fb_debug_enter)(struct fb_info *info);
296 int (*fb_debug_leave)(struct fb_info *info);
297};
298
299#ifdef CONFIG_FB_TILEBLITTING
300#define FB_TILE_CURSOR_NONE 0
301#define FB_TILE_CURSOR_UNDERLINE 1
302#define FB_TILE_CURSOR_LOWER_THIRD 2
303#define FB_TILE_CURSOR_LOWER_HALF 3
304#define FB_TILE_CURSOR_TWO_THIRDS 4
305#define FB_TILE_CURSOR_BLOCK 5
306
307struct fb_tilemap {
308 __u32 width;
309 __u32 height;
310 __u32 depth;
311 __u32 length;
312 const __u8 *data;
313
314};
315
316struct fb_tilerect {
317 __u32 sx;
318 __u32 sy;
319 __u32 width;
320 __u32 height;
321 __u32 index;
322 __u32 fg;
323 __u32 bg;
324 __u32 rop;
325};
326
327struct fb_tilearea {
328 __u32 sx;
329 __u32 sy;
330 __u32 dx;
331 __u32 dy;
332 __u32 width;
333 __u32 height;
334};
335
336struct fb_tileblit {
337 __u32 sx;
338 __u32 sy;
339 __u32 width;
340 __u32 height;
341 __u32 fg;
342 __u32 bg;
343 __u32 length;
344 __u32 *indices;
345};
346
347struct fb_tilecursor {
348 __u32 sx;
349 __u32 sy;
350 __u32 mode;
351 __u32 shape;
352 __u32 fg;
353 __u32 bg;
354};
355
356struct fb_tile_ops {
357
358 void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map);
359
360
361
362
363 void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area);
364
365 void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect);
366
367 void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit);
368
369 void (*fb_tilecursor)(struct fb_info *info,
370 struct fb_tilecursor *cursor);
371
372 int (*fb_get_tilemax)(struct fb_info *info);
373};
374#endif
375
376
377#define FBINFO_DEFAULT 0
378#define FBINFO_HWACCEL_DISABLED 0x0002
379
380
381
382
383
384
385#define FBINFO_VIRTFB 0x0004
386#define FBINFO_PARTIAL_PAN_OK 0x0040
387#define FBINFO_READS_FAST 0x0080
388
389
390
391
392
393
394
395#define FBINFO_HWACCEL_NONE 0x0000
396#define FBINFO_HWACCEL_COPYAREA 0x0100
397#define FBINFO_HWACCEL_FILLRECT 0x0200
398#define FBINFO_HWACCEL_IMAGEBLIT 0x0400
399#define FBINFO_HWACCEL_ROTATE 0x0800
400#define FBINFO_HWACCEL_XPAN 0x1000
401#define FBINFO_HWACCEL_YPAN 0x2000
402#define FBINFO_HWACCEL_YWRAP 0x4000
403
404#define FBINFO_MISC_TILEBLITTING 0x20000
405
406
407
408
409
410
411
412
413
414
415
416#define FBINFO_MISC_ALWAYS_SETPAR 0x40000
417
418
419#define FBINFO_MISC_FIRMWARE 0x80000
420
421
422
423#define FBINFO_FOREIGN_ENDIAN 0x100000
424
425
426
427
428
429#define FBINFO_BE_MATH 0x100000
430
431
432
433
434
435#define FBINFO_HIDE_SMEM_START 0x200000
436
437
438struct fb_info {
439 refcount_t count;
440 int node;
441 int flags;
442
443
444
445
446 int fbcon_rotate_hint;
447 struct mutex lock;
448 struct mutex mm_lock;
449 struct fb_var_screeninfo var;
450 struct fb_fix_screeninfo fix;
451 struct fb_monspecs monspecs;
452 struct work_struct queue;
453 struct fb_pixmap pixmap;
454 struct fb_pixmap sprite;
455 struct fb_cmap cmap;
456 struct list_head modelist;
457 struct fb_videomode *mode;
458
459#if IS_ENABLED(CONFIG_FB_BACKLIGHT)
460
461
462
463 struct backlight_device *bl_dev;
464
465
466 struct mutex bl_curve_mutex;
467 u8 bl_curve[FB_BACKLIGHT_LEVELS];
468#endif
469#ifdef CONFIG_FB_DEFERRED_IO
470 struct delayed_work deferred_work;
471 struct fb_deferred_io *fbdefio;
472#endif
473
474 const struct fb_ops *fbops;
475 struct device *device;
476 struct device *dev;
477 int class_flag;
478#ifdef CONFIG_FB_TILEBLITTING
479 struct fb_tile_ops *tileops;
480#endif
481 union {
482 char __iomem *screen_base;
483 char *screen_buffer;
484 };
485 unsigned long screen_size;
486 void *pseudo_palette;
487#define FBINFO_STATE_RUNNING 0
488#define FBINFO_STATE_SUSPENDED 1
489 u32 state;
490 void *fbcon_par;
491
492 void *par;
493
494
495
496 struct apertures_struct {
497 unsigned int count;
498 struct aperture {
499 resource_size_t base;
500 resource_size_t size;
501 } ranges[0];
502 } *apertures;
503
504 bool skip_vt_switch;
505};
506
507static inline struct apertures_struct *alloc_apertures(unsigned int max_num) {
508 struct apertures_struct *a;
509
510 a = kzalloc(struct_size(a, ranges, max_num), 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__) || \
548 defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || \
549 defined(__arm__) || defined(__aarch64__)
550
551#define fb_readb __raw_readb
552#define fb_readw __raw_readw
553#define fb_readl __raw_readl
554#define fb_readq __raw_readq
555#define fb_writeb __raw_writeb
556#define fb_writew __raw_writew
557#define fb_writel __raw_writel
558#define fb_writeq __raw_writeq
559#define fb_memset memset_io
560#define fb_memcpy_fromfb memcpy_fromio
561#define fb_memcpy_tofb memcpy_toio
562
563#else
564
565#define fb_readb(addr) (*(volatile u8 *) (addr))
566#define fb_readw(addr) (*(volatile u16 *) (addr))
567#define fb_readl(addr) (*(volatile u32 *) (addr))
568#define fb_readq(addr) (*(volatile u64 *) (addr))
569#define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b))
570#define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b))
571#define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b))
572#define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b))
573#define fb_memset memset
574#define fb_memcpy_fromfb memcpy
575#define fb_memcpy_tofb memcpy
576
577#endif
578
579#define FB_LEFT_POS(p, bpp) (fb_be_math(p) ? (32 - (bpp)) : 0)
580#define FB_SHIFT_HIGH(p, val, bits) (fb_be_math(p) ? (val) >> (bits) : \
581 (val) << (bits))
582#define FB_SHIFT_LOW(p, val, bits) (fb_be_math(p) ? (val) << (bits) : \
583 (val) >> (bits))
584
585
586
587
588
589extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var);
590extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var);
591extern int fb_blank(struct fb_info *info, int blank);
592extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
593extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area);
594extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image);
595
596
597
598extern void sys_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
599extern void sys_copyarea(struct fb_info *info, const struct fb_copyarea *area);
600extern void sys_imageblit(struct fb_info *info, const struct fb_image *image);
601extern ssize_t fb_sys_read(struct fb_info *info, char __user *buf,
602 size_t count, loff_t *ppos);
603extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf,
604 size_t count, loff_t *ppos);
605
606
607extern int register_framebuffer(struct fb_info *fb_info);
608extern void unregister_framebuffer(struct fb_info *fb_info);
609extern int remove_conflicting_pci_framebuffers(struct pci_dev *pdev,
610 const char *name);
611extern int remove_conflicting_framebuffers(struct apertures_struct *a,
612 const char *name, bool primary);
613extern int fb_prepare_logo(struct fb_info *fb_info, int rotate);
614extern int fb_show_logo(struct fb_info *fb_info, int rotate);
615extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size);
616extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx,
617 u32 height, u32 shift_high, u32 shift_low, u32 mod);
618extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height);
619extern void fb_set_suspend(struct fb_info *info, int state);
620extern int fb_get_color_depth(struct fb_var_screeninfo *var,
621 struct fb_fix_screeninfo *fix);
622extern int fb_get_options(const char *name, char **option);
623extern int fb_new_modelist(struct fb_info *info);
624
625extern struct fb_info *registered_fb[FB_MAX];
626extern int num_registered_fb;
627extern bool fb_center_logo;
628extern int fb_logo_count;
629extern struct class *fb_class;
630
631#define for_each_registered_fb(i) \
632 for (i = 0; i < FB_MAX; i++) \
633 if (!registered_fb[i]) {} else
634
635static inline void lock_fb_info(struct fb_info *info)
636{
637 mutex_lock(&info->lock);
638}
639
640static inline void unlock_fb_info(struct fb_info *info)
641{
642 mutex_unlock(&info->lock);
643}
644
645static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch,
646 u8 *src, u32 s_pitch, u32 height)
647{
648 u32 i, j;
649
650 d_pitch -= s_pitch;
651
652 for (i = height; i--; ) {
653
654 for (j = 0; j < s_pitch; j++)
655 *dst++ = *src++;
656 dst += d_pitch;
657 }
658}
659
660
661int fb_deferred_io_mmap(struct fb_info *info, struct vm_area_struct *vma);
662extern void fb_deferred_io_init(struct fb_info *info);
663extern void fb_deferred_io_open(struct fb_info *info,
664 struct inode *inode,
665 struct file *file);
666extern void fb_deferred_io_cleanup(struct fb_info *info);
667extern int fb_deferred_io_fsync(struct file *file, loff_t start,
668 loff_t end, int datasync);
669
670static inline bool fb_be_math(struct fb_info *info)
671{
672#ifdef CONFIG_FB_FOREIGN_ENDIAN
673#if defined(CONFIG_FB_BOTH_ENDIAN)
674 return info->flags & FBINFO_BE_MATH;
675#elif defined(CONFIG_FB_BIG_ENDIAN)
676 return true;
677#elif defined(CONFIG_FB_LITTLE_ENDIAN)
678 return false;
679#endif
680#else
681#ifdef __BIG_ENDIAN
682 return true;
683#else
684 return false;
685#endif
686#endif
687}
688
689
690extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev);
691extern void framebuffer_release(struct fb_info *info);
692extern int fb_init_device(struct fb_info *fb_info);
693extern void fb_cleanup_device(struct fb_info *head);
694extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max);
695
696
697#define FB_MAXTIMINGS 0
698#define FB_VSYNCTIMINGS 1
699#define FB_HSYNCTIMINGS 2
700#define FB_DCLKTIMINGS 3
701#define FB_IGNOREMON 0x100
702
703#define FB_MODE_IS_UNKNOWN 0
704#define FB_MODE_IS_DETAILED 1
705#define FB_MODE_IS_STANDARD 2
706#define FB_MODE_IS_VESA 4
707#define FB_MODE_IS_CALCULATED 8
708#define FB_MODE_IS_FIRST 16
709#define FB_MODE_IS_FROM_VAR 32
710
711extern int fbmon_dpms(const struct fb_info *fb_info);
712extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var,
713 struct fb_info *info);
714extern int fb_validate_mode(const struct fb_var_screeninfo *var,
715 struct fb_info *info);
716extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var);
717extern const unsigned char *fb_firmware_edid(struct device *device);
718extern void fb_edid_to_monspecs(unsigned char *edid,
719 struct fb_monspecs *specs);
720extern void fb_destroy_modedb(struct fb_videomode *modedb);
721extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb);
722extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter);
723
724extern int of_get_fb_videomode(struct device_node *np,
725 struct fb_videomode *fb,
726 int index);
727extern int fb_videomode_from_videomode(const struct videomode *vm,
728 struct fb_videomode *fbmode);
729
730
731#define VESA_MODEDB_SIZE 43
732#define DMT_SIZE 0x50
733
734extern void fb_var_to_videomode(struct fb_videomode *mode,
735 const struct fb_var_screeninfo *var);
736extern void fb_videomode_to_var(struct fb_var_screeninfo *var,
737 const struct fb_videomode *mode);
738extern int fb_mode_is_equal(const struct fb_videomode *mode1,
739 const struct fb_videomode *mode2);
740extern int fb_add_videomode(const struct fb_videomode *mode,
741 struct list_head *head);
742extern void fb_delete_videomode(const struct fb_videomode *mode,
743 struct list_head *head);
744extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var,
745 struct list_head *head);
746extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var,
747 struct list_head *head);
748extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode,
749 struct list_head *head);
750extern void fb_destroy_modelist(struct list_head *head);
751extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num,
752 struct list_head *head);
753extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs,
754 struct list_head *head);
755
756
757extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
758extern int fb_alloc_cmap_gfp(struct fb_cmap *cmap, int len, int transp, gfp_t flags);
759extern void fb_dealloc_cmap(struct fb_cmap *cmap);
760extern int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to);
761extern int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to);
762extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info);
763extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info);
764extern const struct fb_cmap *fb_default_cmap(int len);
765extern void fb_invert_cmaps(void);
766
767struct fb_videomode {
768 const char *name;
769 u32 refresh;
770 u32 xres;
771 u32 yres;
772 u32 pixclock;
773 u32 left_margin;
774 u32 right_margin;
775 u32 upper_margin;
776 u32 lower_margin;
777 u32 hsync_len;
778 u32 vsync_len;
779 u32 sync;
780 u32 vmode;
781 u32 flag;
782};
783
784struct dmt_videomode {
785 u32 dmt_id;
786 u32 std_2byte_code;
787 u32 cvt_3byte_code;
788 const struct fb_videomode *mode;
789};
790
791extern const char *fb_mode_option;
792extern const struct fb_videomode vesa_modes[];
793extern const struct dmt_videomode dmt_modes[];
794
795struct fb_modelist {
796 struct list_head list;
797 struct fb_videomode mode;
798};
799
800extern int fb_find_mode(struct fb_var_screeninfo *var,
801 struct fb_info *info, const char *mode_option,
802 const struct fb_videomode *db,
803 unsigned int dbsize,
804 const struct fb_videomode *default_mode,
805 unsigned int default_bpp);
806
807
808#define fb_err(fb_info, fmt, ...) \
809 pr_err("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)
810#define fb_notice(info, fmt, ...) \
811 pr_notice("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)
812#define fb_warn(fb_info, fmt, ...) \
813 pr_warn("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)
814#define fb_info(fb_info, fmt, ...) \
815 pr_info("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)
816#define fb_dbg(fb_info, fmt, ...) \
817 pr_debug("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)
818
819#endif
820