1
2#ifndef _LINUX_FB_H
3#define _LINUX_FB_H
4
5#include <linux/kgdb.h>
6#include <uapi/linux/fb.h>
7
8#define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor_user)
9
10#include <linux/fs.h>
11#include <linux/init.h>
12#include <linux/workqueue.h>
13#include <linux/notifier.h>
14#include <linux/list.h>
15#include <linux/backlight.h>
16#include <linux/slab.h>
17#include <asm/io.h>
18
19struct vm_area_struct;
20struct fb_info;
21struct device;
22struct file;
23struct videomode;
24struct device_node;
25
26
27#define FB_DPMS_ACTIVE_OFF 1
28#define FB_DPMS_SUSPEND 2
29#define FB_DPMS_STANDBY 4
30
31#define FB_DISP_DDI 1
32#define FB_DISP_ANA_700_300 2
33#define FB_DISP_ANA_714_286 4
34#define FB_DISP_ANA_1000_400 8
35#define FB_DISP_ANA_700_000 16
36
37#define FB_DISP_MONO 32
38#define FB_DISP_RGB 64
39#define FB_DISP_MULTI 128
40#define FB_DISP_UNKNOWN 256
41
42#define FB_SIGNAL_NONE 0
43#define FB_SIGNAL_BLANK_BLANK 1
44#define FB_SIGNAL_SEPARATE 2
45#define FB_SIGNAL_COMPOSITE 4
46#define FB_SIGNAL_SYNC_ON_GREEN 8
47#define FB_SIGNAL_SERRATION_ON 16
48
49#define FB_MISC_PRIM_COLOR 1
50#define FB_MISC_1ST_DETAIL 2
51#define FB_MISC_HDMI 4
52struct fb_chroma {
53 __u32 redx;
54 __u32 greenx;
55 __u32 bluex;
56 __u32 whitex;
57 __u32 redy;
58 __u32 greeny;
59 __u32 bluey;
60 __u32 whitey;
61};
62
63struct fb_monspecs {
64 struct fb_chroma chroma;
65 struct fb_videomode *modedb;
66 __u8 manufacturer[4];
67 __u8 monitor[14];
68 __u8 serial_no[14];
69 __u8 ascii[14];
70 __u32 modedb_len;
71 __u32 model;
72 __u32 serial;
73 __u32 year;
74 __u32 week;
75 __u32 hfmin;
76 __u32 hfmax;
77 __u32 dclkmin;
78 __u32 dclkmax;
79 __u16 input;
80 __u16 dpms;
81 __u16 signal;
82 __u16 vfmin;
83 __u16 vfmax;
84 __u16 gamma;
85 __u16 gtf : 1;
86 __u16 misc;
87 __u8 version;
88 __u8 revision;
89 __u8 max_x;
90 __u8 max_y;
91};
92
93struct fb_cmap_user {
94 __u32 start;
95 __u32 len;
96 __u16 __user *red;
97 __u16 __user *green;
98 __u16 __user *blue;
99 __u16 __user *transp;
100};
101
102struct fb_image_user {
103 __u32 dx;
104 __u32 dy;
105 __u32 width;
106 __u32 height;
107 __u32 fg_color;
108 __u32 bg_color;
109 __u8 depth;
110 const char __user *data;
111 struct fb_cmap_user cmap;
112};
113
114struct fb_cursor_user {
115 __u16 set;
116 __u16 enable;
117 __u16 rop;
118 const char __user *mask;
119 struct fbcurpos hot;
120 struct fb_image_user image;
121};
122
123
124
125
126
127
128#define FB_EVENT_MODE_CHANGE 0x01
129
130
131
132#define FB_EVENT_SUSPEND 0x02
133
134
135
136#define FB_EVENT_RESUME 0x03
137
138#define FB_EVENT_MODE_DELETE 0x04
139
140#define FB_EVENT_FB_REGISTERED 0x05
141
142#define FB_EVENT_FB_UNREGISTERED 0x06
143
144#define FB_EVENT_GET_CONSOLE_MAP 0x07
145
146#define FB_EVENT_SET_CONSOLE_MAP 0x08
147
148#define FB_EVENT_BLANK 0x09
149
150#define FB_EVENT_NEW_MODELIST 0x0A
151
152
153#define FB_EVENT_MODE_CHANGE_ALL 0x0B
154
155#define FB_EVENT_CONBLANK 0x0C
156
157#define FB_EVENT_GET_REQ 0x0D
158
159#define FB_EVENT_FB_UNBIND 0x0E
160
161#define FB_EVENT_REMAP_ALL_CONSOLE 0x0F
162
163#define FB_EARLY_EVENT_BLANK 0x10
164
165#define FB_R_EARLY_EVENT_BLANK 0x11
166
167struct fb_event {
168 struct fb_info *info;
169 void *data;
170};
171
172struct fb_blit_caps {
173 u32 x;
174 u32 y;
175 u32 len;
176 u32 flags;
177};
178
179#ifdef CONFIG_FB_NOTIFY
180extern int fb_register_client(struct notifier_block *nb);
181extern int fb_unregister_client(struct notifier_block *nb);
182extern int fb_notifier_call_chain(unsigned long val, void *v);
183#else
184static inline int fb_register_client(struct notifier_block *nb)
185{
186 return 0;
187};
188
189static inline int fb_unregister_client(struct notifier_block *nb)
190{
191 return 0;
192};
193
194static inline int fb_notifier_call_chain(unsigned long val, void *v)
195{
196 return 0;
197};
198#endif
199
200
201
202
203
204
205
206
207
208#define FB_PIXMAP_DEFAULT 1
209#define FB_PIXMAP_SYSTEM 2
210#define FB_PIXMAP_IO 4
211#define FB_PIXMAP_SYNC 256
212
213struct fb_pixmap {
214 u8 *addr;
215 u32 size;
216 u32 offset;
217 u32 buf_align;
218 u32 scan_align;
219 u32 access_align;
220 u32 flags;
221 u32 blit_x;
222 u32 blit_y;
223
224
225
226 void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size);
227 void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size);
228};
229
230#ifdef CONFIG_FB_DEFERRED_IO
231struct fb_deferred_io {
232
233 unsigned long delay;
234 struct mutex lock;
235 struct list_head pagelist;
236
237 void (*first_io)(struct fb_info *info);
238 void (*deferred_io)(struct fb_info *info, struct list_head *pagelist);
239};
240#endif
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256struct fb_ops {
257
258 struct module *owner;
259 int (*fb_open)(struct fb_info *info, int user);
260 int (*fb_release)(struct fb_info *info, int user);
261
262
263
264
265 ssize_t (*fb_read)(struct fb_info *info, char __user *buf,
266 size_t count, loff_t *ppos);
267 ssize_t (*fb_write)(struct fb_info *info, const char __user *buf,
268 size_t count, loff_t *ppos);
269
270
271
272 int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info);
273
274
275 int (*fb_set_par)(struct fb_info *info);
276
277
278 int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green,
279 unsigned blue, unsigned transp, struct fb_info *info);
280
281
282 int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info);
283
284
285 int (*fb_blank)(int blank, struct fb_info *info);
286
287
288 int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info);
289
290
291 void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect);
292
293 void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region);
294
295 void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image);
296
297
298 int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor);
299
300
301 int (*fb_sync)(struct fb_info *info);
302
303
304 int (*fb_ioctl)(struct fb_info *info, unsigned int cmd,
305 unsigned long arg);
306
307
308 int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd,
309 unsigned long arg);
310
311
312 int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma);
313
314
315 void (*fb_get_caps)(struct fb_info *info, struct fb_blit_caps *caps,
316 struct fb_var_screeninfo *var);
317
318
319 void (*fb_destroy)(struct fb_info *info);
320
321
322 int (*fb_debug_enter)(struct fb_info *info);
323 int (*fb_debug_leave)(struct fb_info *info);
324};
325
326#ifdef CONFIG_FB_TILEBLITTING
327#define FB_TILE_CURSOR_NONE 0
328#define FB_TILE_CURSOR_UNDERLINE 1
329#define FB_TILE_CURSOR_LOWER_THIRD 2
330#define FB_TILE_CURSOR_LOWER_HALF 3
331#define FB_TILE_CURSOR_TWO_THIRDS 4
332#define FB_TILE_CURSOR_BLOCK 5
333
334struct fb_tilemap {
335 __u32 width;
336 __u32 height;
337 __u32 depth;
338 __u32 length;
339 const __u8 *data;
340
341};
342
343struct fb_tilerect {
344 __u32 sx;
345 __u32 sy;
346 __u32 width;
347 __u32 height;
348 __u32 index;
349 __u32 fg;
350 __u32 bg;
351 __u32 rop;
352};
353
354struct fb_tilearea {
355 __u32 sx;
356 __u32 sy;
357 __u32 dx;
358 __u32 dy;
359 __u32 width;
360 __u32 height;
361};
362
363struct fb_tileblit {
364 __u32 sx;
365 __u32 sy;
366 __u32 width;
367 __u32 height;
368 __u32 fg;
369 __u32 bg;
370 __u32 length;
371 __u32 *indices;
372};
373
374struct fb_tilecursor {
375 __u32 sx;
376 __u32 sy;
377 __u32 mode;
378 __u32 shape;
379 __u32 fg;
380 __u32 bg;
381};
382
383struct fb_tile_ops {
384
385 void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map);
386
387
388
389
390 void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area);
391
392 void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect);
393
394 void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit);
395
396 void (*fb_tilecursor)(struct fb_info *info,
397 struct fb_tilecursor *cursor);
398
399 int (*fb_get_tilemax)(struct fb_info *info);
400};
401#endif
402
403
404#define FBINFO_DEFAULT 0
405#define FBINFO_HWACCEL_DISABLED 0x0002
406
407
408
409
410
411
412#define FBINFO_VIRTFB 0x0004
413#define FBINFO_PARTIAL_PAN_OK 0x0040
414#define FBINFO_READS_FAST 0x0080
415
416
417
418
419
420
421
422#define FBINFO_HWACCEL_NONE 0x0000
423#define FBINFO_HWACCEL_COPYAREA 0x0100
424#define FBINFO_HWACCEL_FILLRECT 0x0200
425#define FBINFO_HWACCEL_IMAGEBLIT 0x0400
426#define FBINFO_HWACCEL_ROTATE 0x0800
427#define FBINFO_HWACCEL_XPAN 0x1000
428#define FBINFO_HWACCEL_YPAN 0x2000
429#define FBINFO_HWACCEL_YWRAP 0x4000
430
431#define FBINFO_MISC_USEREVENT 0x10000
432
433#define FBINFO_MISC_TILEBLITTING 0x20000
434
435
436
437
438
439
440
441
442
443
444
445#define FBINFO_MISC_ALWAYS_SETPAR 0x40000
446
447
448#define FBINFO_MISC_FIRMWARE 0x80000
449
450
451
452#define FBINFO_FOREIGN_ENDIAN 0x100000
453
454
455
456
457
458#define FBINFO_BE_MATH 0x100000
459
460
461
462
463
464#define FBINFO_HIDE_SMEM_START 0x200000
465
466
467struct fb_info {
468 atomic_t count;
469 int node;
470 int flags;
471
472
473
474
475 int fbcon_rotate_hint;
476 struct mutex lock;
477 struct mutex mm_lock;
478 struct fb_var_screeninfo var;
479 struct fb_fix_screeninfo fix;
480 struct fb_monspecs monspecs;
481 struct work_struct queue;
482 struct fb_pixmap pixmap;
483 struct fb_pixmap sprite;
484 struct fb_cmap cmap;
485 struct list_head modelist;
486 struct fb_videomode *mode;
487
488#if IS_ENABLED(CONFIG_FB_BACKLIGHT)
489
490
491
492 struct backlight_device *bl_dev;
493
494
495 struct mutex bl_curve_mutex;
496 u8 bl_curve[FB_BACKLIGHT_LEVELS];
497#endif
498#ifdef CONFIG_FB_DEFERRED_IO
499 struct delayed_work deferred_work;
500 struct fb_deferred_io *fbdefio;
501#endif
502
503 struct fb_ops *fbops;
504 struct device *device;
505 struct device *dev;
506 int class_flag;
507#ifdef CONFIG_FB_TILEBLITTING
508 struct fb_tile_ops *tileops;
509#endif
510 union {
511 char __iomem *screen_base;
512 char *screen_buffer;
513 };
514 unsigned long screen_size;
515 void *pseudo_palette;
516#define FBINFO_STATE_RUNNING 0
517#define FBINFO_STATE_SUSPENDED 1
518 u32 state;
519 void *fbcon_par;
520
521 void *par;
522
523
524
525 struct apertures_struct {
526 unsigned int count;
527 struct aperture {
528 resource_size_t base;
529 resource_size_t size;
530 } ranges[0];
531 } *apertures;
532
533 bool skip_vt_switch;
534};
535
536static inline struct apertures_struct *alloc_apertures(unsigned int max_num) {
537 struct apertures_struct *a = kzalloc(sizeof(struct apertures_struct)
538 + max_num * sizeof(struct aperture), GFP_KERNEL);
539 if (!a)
540 return NULL;
541 a->count = max_num;
542 return a;
543}
544
545#define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT
546
547
548
549
550
551
552
553#define STUPID_ACCELF_TEXT_SHIT
554
555
556#if defined(__sparc__)
557
558
559
560
561
562
563#define fb_readb sbus_readb
564#define fb_readw sbus_readw
565#define fb_readl sbus_readl
566#define fb_readq sbus_readq
567#define fb_writeb sbus_writeb
568#define fb_writew sbus_writew
569#define fb_writel sbus_writel
570#define fb_writeq sbus_writeq
571#define fb_memset sbus_memset_io
572#define fb_memcpy_fromfb sbus_memcpy_fromio
573#define fb_memcpy_tofb sbus_memcpy_toio
574
575#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || \
576 defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || \
577 defined(__arm__) || defined(__aarch64__)
578
579#define fb_readb __raw_readb
580#define fb_readw __raw_readw
581#define fb_readl __raw_readl
582#define fb_readq __raw_readq
583#define fb_writeb __raw_writeb
584#define fb_writew __raw_writew
585#define fb_writel __raw_writel
586#define fb_writeq __raw_writeq
587#define fb_memset memset_io
588#define fb_memcpy_fromfb memcpy_fromio
589#define fb_memcpy_tofb memcpy_toio
590
591#else
592
593#define fb_readb(addr) (*(volatile u8 *) (addr))
594#define fb_readw(addr) (*(volatile u16 *) (addr))
595#define fb_readl(addr) (*(volatile u32 *) (addr))
596#define fb_readq(addr) (*(volatile u64 *) (addr))
597#define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b))
598#define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b))
599#define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b))
600#define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b))
601#define fb_memset memset
602#define fb_memcpy_fromfb memcpy
603#define fb_memcpy_tofb memcpy
604
605#endif
606
607#define FB_LEFT_POS(p, bpp) (fb_be_math(p) ? (32 - (bpp)) : 0)
608#define FB_SHIFT_HIGH(p, val, bits) (fb_be_math(p) ? (val) >> (bits) : \
609 (val) << (bits))
610#define FB_SHIFT_LOW(p, val, bits) (fb_be_math(p) ? (val) << (bits) : \
611 (val) >> (bits))
612
613
614
615
616
617extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var);
618extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var);
619extern int fb_blank(struct fb_info *info, int blank);
620extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
621extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area);
622extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image);
623
624
625
626extern void sys_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
627extern void sys_copyarea(struct fb_info *info, const struct fb_copyarea *area);
628extern void sys_imageblit(struct fb_info *info, const struct fb_image *image);
629extern ssize_t fb_sys_read(struct fb_info *info, char __user *buf,
630 size_t count, loff_t *ppos);
631extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf,
632 size_t count, loff_t *ppos);
633
634
635extern int register_framebuffer(struct fb_info *fb_info);
636extern int unregister_framebuffer(struct fb_info *fb_info);
637extern int unlink_framebuffer(struct fb_info *fb_info);
638extern int remove_conflicting_pci_framebuffers(struct pci_dev *pdev, int res_id,
639 const char *name);
640extern int remove_conflicting_framebuffers(struct apertures_struct *a,
641 const char *name, bool primary);
642extern int fb_prepare_logo(struct fb_info *fb_info, int rotate);
643extern int fb_show_logo(struct fb_info *fb_info, int rotate);
644extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size);
645extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx,
646 u32 height, u32 shift_high, u32 shift_low, u32 mod);
647extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height);
648extern void fb_set_suspend(struct fb_info *info, int state);
649extern int fb_get_color_depth(struct fb_var_screeninfo *var,
650 struct fb_fix_screeninfo *fix);
651extern int fb_get_options(const char *name, char **option);
652extern int fb_new_modelist(struct fb_info *info);
653
654extern struct fb_info *registered_fb[FB_MAX];
655extern int num_registered_fb;
656extern bool fb_center_logo;
657extern struct class *fb_class;
658
659#define for_each_registered_fb(i) \
660 for (i = 0; i < FB_MAX; i++) \
661 if (!registered_fb[i]) {} else
662
663extern int lock_fb_info(struct fb_info *info);
664
665static inline void unlock_fb_info(struct fb_info *info)
666{
667 mutex_unlock(&info->lock);
668}
669
670static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch,
671 u8 *src, u32 s_pitch, u32 height)
672{
673 u32 i, j;
674
675 d_pitch -= s_pitch;
676
677 for (i = height; i--; ) {
678
679 for (j = 0; j < s_pitch; j++)
680 *dst++ = *src++;
681 dst += d_pitch;
682 }
683}
684
685
686int fb_deferred_io_mmap(struct fb_info *info, struct vm_area_struct *vma);
687extern void fb_deferred_io_init(struct fb_info *info);
688extern void fb_deferred_io_open(struct fb_info *info,
689 struct inode *inode,
690 struct file *file);
691extern void fb_deferred_io_cleanup(struct fb_info *info);
692extern int fb_deferred_io_fsync(struct file *file, loff_t start,
693 loff_t end, int datasync);
694
695static inline bool fb_be_math(struct fb_info *info)
696{
697#ifdef CONFIG_FB_FOREIGN_ENDIAN
698#if defined(CONFIG_FB_BOTH_ENDIAN)
699 return info->flags & FBINFO_BE_MATH;
700#elif defined(CONFIG_FB_BIG_ENDIAN)
701 return true;
702#elif defined(CONFIG_FB_LITTLE_ENDIAN)
703 return false;
704#endif
705#else
706#ifdef __BIG_ENDIAN
707 return true;
708#else
709 return false;
710#endif
711#endif
712}
713
714
715extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev);
716extern void framebuffer_release(struct fb_info *info);
717extern int fb_init_device(struct fb_info *fb_info);
718extern void fb_cleanup_device(struct fb_info *head);
719extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max);
720
721
722#define FB_MAXTIMINGS 0
723#define FB_VSYNCTIMINGS 1
724#define FB_HSYNCTIMINGS 2
725#define FB_DCLKTIMINGS 3
726#define FB_IGNOREMON 0x100
727
728#define FB_MODE_IS_UNKNOWN 0
729#define FB_MODE_IS_DETAILED 1
730#define FB_MODE_IS_STANDARD 2
731#define FB_MODE_IS_VESA 4
732#define FB_MODE_IS_CALCULATED 8
733#define FB_MODE_IS_FIRST 16
734#define FB_MODE_IS_FROM_VAR 32
735
736extern int fbmon_dpms(const struct fb_info *fb_info);
737extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var,
738 struct fb_info *info);
739extern int fb_validate_mode(const struct fb_var_screeninfo *var,
740 struct fb_info *info);
741extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var);
742extern const unsigned char *fb_firmware_edid(struct device *device);
743extern void fb_edid_to_monspecs(unsigned char *edid,
744 struct fb_monspecs *specs);
745extern void fb_edid_add_monspecs(unsigned char *edid,
746 struct fb_monspecs *specs);
747extern void fb_destroy_modedb(struct fb_videomode *modedb);
748extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb);
749extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter);
750
751extern int of_get_fb_videomode(struct device_node *np,
752 struct fb_videomode *fb,
753 int index);
754extern int fb_videomode_from_videomode(const struct videomode *vm,
755 struct fb_videomode *fbmode);
756
757
758#define VESA_MODEDB_SIZE 43
759#define DMT_SIZE 0x50
760
761extern void fb_var_to_videomode(struct fb_videomode *mode,
762 const struct fb_var_screeninfo *var);
763extern void fb_videomode_to_var(struct fb_var_screeninfo *var,
764 const struct fb_videomode *mode);
765extern int fb_mode_is_equal(const struct fb_videomode *mode1,
766 const struct fb_videomode *mode2);
767extern int fb_add_videomode(const struct fb_videomode *mode,
768 struct list_head *head);
769extern void fb_delete_videomode(const struct fb_videomode *mode,
770 struct list_head *head);
771extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var,
772 struct list_head *head);
773extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var,
774 struct list_head *head);
775extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode,
776 struct list_head *head);
777extern void fb_destroy_modelist(struct list_head *head);
778extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num,
779 struct list_head *head);
780extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs,
781 struct list_head *head);
782
783
784extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
785extern int fb_alloc_cmap_gfp(struct fb_cmap *cmap, int len, int transp, gfp_t flags);
786extern void fb_dealloc_cmap(struct fb_cmap *cmap);
787extern int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to);
788extern int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to);
789extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info);
790extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info);
791extern const struct fb_cmap *fb_default_cmap(int len);
792extern void fb_invert_cmaps(void);
793
794struct fb_videomode {
795 const char *name;
796 u32 refresh;
797 u32 xres;
798 u32 yres;
799 u32 pixclock;
800 u32 left_margin;
801 u32 right_margin;
802 u32 upper_margin;
803 u32 lower_margin;
804 u32 hsync_len;
805 u32 vsync_len;
806 u32 sync;
807 u32 vmode;
808 u32 flag;
809};
810
811struct dmt_videomode {
812 u32 dmt_id;
813 u32 std_2byte_code;
814 u32 cvt_3byte_code;
815 const struct fb_videomode *mode;
816};
817
818extern const char *fb_mode_option;
819extern const struct fb_videomode vesa_modes[];
820extern const struct fb_videomode cea_modes[65];
821extern const struct dmt_videomode dmt_modes[];
822
823struct fb_modelist {
824 struct list_head list;
825 struct fb_videomode mode;
826};
827
828extern int fb_find_mode(struct fb_var_screeninfo *var,
829 struct fb_info *info, const char *mode_option,
830 const struct fb_videomode *db,
831 unsigned int dbsize,
832 const struct fb_videomode *default_mode,
833 unsigned int default_bpp);
834
835
836#define fb_err(fb_info, fmt, ...) \
837 pr_err("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)
838#define fb_notice(info, fmt, ...) \
839 pr_notice("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)
840#define fb_warn(fb_info, fmt, ...) \
841 pr_warn("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)
842#define fb_info(fb_info, fmt, ...) \
843 pr_info("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)
844#define fb_dbg(fb_info, fmt, ...) \
845 pr_debug("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)
846
847#endif
848