summaryrefslogtreecommitdiffstats
path: root/include/video/omapdss.h
blob: f001a356fd98f896ae617fe64db45745e1dc4736 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
/*
 * Copyright (C) 2008 Nokia Corporation
 * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef __OMAP_OMAPDSS_H
#define __OMAP_OMAPDSS_H

#include <linux/list.h>
#include <linux/kobject.h>
#include <linux/device.h>
#include <linux/interrupt.h>

#include <video/videomode.h>

#define DISPC_IRQ_FRAMEDONE		(1 << 0)
#define DISPC_IRQ_VSYNC			(1 << 1)
#define DISPC_IRQ_EVSYNC_EVEN		(1 << 2)
#define DISPC_IRQ_EVSYNC_ODD		(1 << 3)
#define DISPC_IRQ_ACBIAS_COUNT_STAT	(1 << 4)
#define DISPC_IRQ_PROG_LINE_NUM		(1 << 5)
#define DISPC_IRQ_GFX_FIFO_UNDERFLOW	(1 << 6)
#define DISPC_IRQ_GFX_END_WIN		(1 << 7)
#define DISPC_IRQ_PAL_GAMMA_MASK	(1 << 8)
#define DISPC_IRQ_OCP_ERR		(1 << 9)
#define DISPC_IRQ_VID1_FIFO_UNDERFLOW	(1 << 10)
#define DISPC_IRQ_VID1_END_WIN		(1 << 11)
#define DISPC_IRQ_VID2_FIFO_UNDERFLOW	(1 << 12)
#define DISPC_IRQ_VID2_END_WIN		(1 << 13)
#define DISPC_IRQ_SYNC_LOST		(1 << 14)
#define DISPC_IRQ_SYNC_LOST_DIGIT	(1 << 15)
#define DISPC_IRQ_WAKEUP		(1 << 16)
#define DISPC_IRQ_SYNC_LOST2		(1 << 17)
#define DISPC_IRQ_VSYNC2		(1 << 18)
#define DISPC_IRQ_VID3_END_WIN		(1 << 19)
#define DISPC_IRQ_VID3_FIFO_UNDERFLOW	(1 << 20)
#define DISPC_IRQ_ACBIAS_COUNT_STAT2	(1 << 21)
#define DISPC_IRQ_FRAMEDONE2		(1 << 22)
#define DISPC_IRQ_FRAMEDONEWB		(1 << 23)
#define DISPC_IRQ_FRAMEDONETV		(1 << 24)
#define DISPC_IRQ_WBBUFFEROVERFLOW	(1 << 25)
#define DISPC_IRQ_SYNC_LOST3		(1 << 27)
#define DISPC_IRQ_VSYNC3		(1 << 28)
#define DISPC_IRQ_ACBIAS_COUNT_STAT3	(1 << 29)
#define DISPC_IRQ_FRAMEDONE3		(1 << 30)

struct omap_dss_device;
struct omap_overlay_manager;
struct dss_lcd_mgr_config;
struct snd_aes_iec958;
struct snd_cea_861_aud_if;
struct hdmi_avi_infoframe;

enum omap_display_type {
	OMAP_DISPLAY_TYPE_NONE		= 0,
	OMAP_DISPLAY_TYPE_DPI		= 1 << 0,
	OMAP_DISPLAY_TYPE_DBI		= 1 << 1,
	OMAP_DISPLAY_TYPE_SDI		= 1 << 2,
	OMAP_DISPLAY_TYPE_DSI		= 1 << 3,
	OMAP_DISPLAY_TYPE_VENC		= 1 << 4,
	OMAP_DISPLAY_TYPE_HDMI		= 1 << 5,
	OMAP_DISPLAY_TYPE_DVI		= 1 << 6,
};

enum omap_plane {
	OMAP_DSS_GFX	= 0,
	OMAP_DSS_VIDEO1	= 1,
	OMAP_DSS_VIDEO2	= 2,
	OMAP_DSS_VIDEO3	= 3,
	OMAP_DSS_WB	= 4,
};

enum omap_channel {
	OMAP_DSS_CHANNEL_LCD	= 0,
	OMAP_DSS_CHANNEL_DIGIT	= 1,
	OMAP_DSS_CHANNEL_LCD2	= 2,
	OMAP_DSS_CHANNEL_LCD3	= 3,
};

enum omap_color_mode {
	OMAP_DSS_COLOR_CLUT1	= 1 << 0,  /* BITMAP 1 */
	OMAP_DSS_COLOR_CLUT2	= 1 << 1,  /* BITMAP 2 */
	OMAP_DSS_COLOR_CLUT4	= 1 << 2,  /* BITMAP 4 */
	OMAP_DSS_COLOR_CLUT8	= 1 << 3,  /* BITMAP 8 */
	OMAP_DSS_COLOR_RGB12U	= 1 << 4,  /* RGB12, 16-bit container */
	OMAP_DSS_COLOR_ARGB16	= 1 << 5,  /* ARGB16 */
	OMAP_DSS_COLOR_RGB16	= 1 << 6,  /* RGB16 */
	OMAP_DSS_COLOR_RGB24U	= 1 << 7,  /* RGB24, 32-bit container */
	OMAP_DSS_COLOR_RGB24P	= 1 << 8,  /* RGB24, 24-bit container */
	OMAP_DSS_COLOR_YUV2	= 1 << 9,  /* YUV2 4:2:2 co-sited */
	OMAP_DSS_COLOR_UYVY	= 1 << 10, /* UYVY 4:2:2 co-sited */
	OMAP_DSS_COLOR_ARGB32	= 1 << 11, /* ARGB32 */
	OMAP_DSS_COLOR_RGBA32	= 1 << 12, /* RGBA32 */
	OMAP_DSS_COLOR_RGBX32	= 1 << 13, /* RGBx32 */
	OMAP_DSS_COLOR_NV12		= 1 << 14, /* NV12 format: YUV 4:2:0 */
	OMAP_DSS_COLOR_RGBA16		= 1 << 15, /* RGBA16 - 4444 */
	OMAP_DSS_COLOR_RGBX16		= 1 << 16, /* RGBx16 - 4444 */
	OMAP_DSS_COLOR_ARGB16_1555	= 1 << 17, /* ARGB16 - 1555 */
	OMAP_DSS_COLOR_XRGB16_1555	= 1 << 18, /* xRGB16 - 1555 */
};

enum omap_dss_load_mode {
	OMAP_DSS_LOAD_CLUT_AND_FRAME	= 0,
	OMAP_DSS_LOAD_CLUT_ONLY		= 1,
	OMAP_DSS_LOAD_FRAME_ONLY	= 2,
	OMAP_DSS_LOAD_CLUT_ONCE_FRAME	= 3,
};

enum omap_dss_trans_key_type {
	OMAP_DSS_COLOR_KEY_GFX_DST = 0,
	OMAP_DSS_COLOR_KEY_VID_SRC = 1,
};

enum omap_rfbi_te_mode {
	OMAP_DSS_RFBI_TE_MODE_1 = 1,
	OMAP_DSS_RFBI_TE_MODE_2 = 2,
};

enum omap_dss_signal_level {
	OMAPDSS_SIG_ACTIVE_LOW,
	OMAPDSS_SIG_ACTIVE_HIGH,
};

enum omap_dss_signal_edge {
	OMAPDSS_DRIVE_SIG_FALLING_EDGE,
	OMAPDSS_DRIVE_SIG_RISING_EDGE,
};

enum omap_dss_venc_type {
	OMAP_DSS_VENC_TYPE_COMPOSITE,
	OMAP_DSS_VENC_TYPE_SVIDEO,
};

enum omap_dss_dsi_pixel_format {
	OMAP_DSS_DSI_FMT_RGB888,
	OMAP_DSS_DSI_FMT_RGB666,
	OMAP_DSS_DSI_FMT_RGB666_PACKED,
	OMAP_DSS_DSI_FMT_RGB565,
};

enum omap_dss_dsi_mode {
	OMAP_DSS_DSI_CMD_MODE = 0,
	OMAP_DSS_DSI_VIDEO_MODE,
};

enum omap_display_caps {
	OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE	= 1 << 0,
	OMAP_DSS_DISPLAY_CAP_TEAR_ELIM		= 1 << 1,
};

enum omap_dss_display_state {
	OMAP_DSS_DISPLAY_DISABLED = 0,
	OMAP_DSS_DISPLAY_ACTIVE,
};

struct omap_dss_audio {
	struct snd_aes_iec958 *iec;
	struct snd_cea_861_aud_if *cea;
};

enum omap_dss_rotation_type {
	OMAP_DSS_ROT_DMA	= 1 << 0,
	OMAP_DSS_ROT_VRFB	= 1 << 1,
	OMAP_DSS_ROT_TILER	= 1 << 2,
};

/* clockwise rotation angle */
enum omap_dss_rotation_angle {
	OMAP_DSS_ROT_0   = 0,
	OMAP_DSS_ROT_90  = 1,
	OMAP_DSS_ROT_180 = 2,
	OMAP_DSS_ROT_270 = 3,
};

enum omap_overlay_caps {
	OMAP_DSS_OVL_CAP_SCALE = 1 << 0,
	OMAP_DSS_OVL_CAP_GLOBAL_ALPHA = 1 << 1,
	OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA = 1 << 2,
	OMAP_DSS_OVL_CAP_ZORDER = 1 << 3,
	OMAP_DSS_OVL_CAP_POS = 1 << 4,
	OMAP_DSS_OVL_CAP_REPLICATION = 1 << 5,
};

enum omap_overlay_manager_caps {
	OMAP_DSS_DUMMY_VALUE, /* add a dummy value to prevent compiler error */
};

enum omap_dss_clk_source {
	OMAP_DSS_CLK_SRC_FCK = 0,		/* OMAP2/3: DSS1_ALWON_FCLK
						 * OMAP4: DSS_FCLK */
	OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC,	/* OMAP3: DSI1_PLL_FCLK
						 * OMAP4: PLL1_CLK1 */
	OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI,	/* OMAP3: DSI2_PLL_FCLK
						 * OMAP4: PLL1_CLK2 */
	OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC,	/* OMAP4: PLL2_CLK1 */
	OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI,	/* OMAP4: PLL2_CLK2 */
};

enum omap_hdmi_flags {
	OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP = 1 << 0,
};

enum omap_dss_output_id {
	OMAP_DSS_OUTPUT_DPI	= 1 << 0,
	OMAP_DSS_OUTPUT_DBI	= 1 << 1,
	OMAP_DSS_OUTPUT_SDI	= 1 << 2,
	OMAP_DSS_OUTPUT_DSI1	= 1 << 3,
	OMAP_DSS_OUTPUT_DSI2	= 1 << 4,
	OMAP_DSS_OUTPUT_VENC	= 1 << 5,
	OMAP_DSS_OUTPUT_HDMI	= 1 << 6,
};

/* RFBI */

struct rfbi_timings {
	int cs_on_time;
	int cs_off_time;
	int we_on_time;
	int we_off_time;
	int re_on_time;
	int re_off_time;
	int we_cycle_time;
	int re_cycle_time;
	int cs_pulse_width;
	int access_time;

	int clk_div;

	u32 tim[5];             /* set by rfbi_convert_timings() */

	int converted;
};

/* DSI */

enum omap_dss_dsi_trans_mode {
	/* Sync Pulses: both sync start and end packets sent */
	OMAP_DSS_DSI_PULSE_MODE,
	/* Sync Events: only sync start packets sent */
	OMAP_DSS_DSI_EVENT_MODE,
	/* Burst: only sync start packets sent, pixels are time compressed */
	OMAP_DSS_DSI_BURST_MODE,
};

struct omap_dss_dsi_videomode_timings {
	unsigned long hsclk;

	unsigned ndl;
	unsigned bitspp;

	/* pixels */
	u16 hact;
	/* lines */
	u16 vact;

	/* DSI video mode blanking data */
	/* Unit: byte clock cycles */
	u16 hss;
	u16 hsa;
	u16 hse;
	u16 hfp;
	u16 hbp;
	/* Unit: line clocks */
	u16 vsa;
	u16 vfp;
	u16 vbp;

	/* DSI blanking modes */
	int blanking_mode;
	int hsa_blanking_mode;
	int hbp_blanking_mode;
	int hfp_blanking_mode;

	enum omap_dss_dsi_trans_mode trans_mode;

	bool ddr_clk_always_on;
	int window_sync;
};

struct omap_dss_dsi_config {
	enum omap_dss_dsi_mode mode;
	enum omap_dss_dsi_pixel_format pixel_format;
	const struct omap_video_timings *timings;

	unsigned long hs_clk_min, hs_clk_max;
	unsigned long lp_clk_min, lp_clk_max;

	bool ddr_clk_always_on;
	enum omap_dss_dsi_trans_mode trans_mode;
};

enum omapdss_version {
	OMAPDSS_VER_UNKNOWN = 0,
	OMAPDSS_VER_OMAP24xx,
	OMAPDSS_VER_OMAP34xx_ES1,	/* OMAP3430 ES1.0, 2.0 */
	OMAPDSS_VER_OMAP34xx_ES3,	/* OMAP3430 ES3.0+ */
	OMAPDSS_VER_OMAP3630,
	OMAPDSS_VER_AM35xx,
	OMAPDSS_VER_OMAP4430_ES1,	/* OMAP4430 ES1.0 */
	OMAPDSS_VER_OMAP4430_ES2,	/* OMAP4430 ES2.0, 2.1, 2.2 */
	OMAPDSS_VER_OMAP4,		/* All other OMAP4s */
	OMAPDSS_VER_OMAP5,
	OMAPDSS_VER_AM43xx,
	OMAPDSS_VER_DRA7xx,
};

/* Board specific data */
struct omap_dss_board_info {
	int num_devices;
	struct omap_dss_device **devices;
	struct omap_dss_device *default_device;
	const char *default_display_name;
	int (*dsi_enable_pads)(int dsi_id, unsigned lane_mask);
	void (*dsi_disable_pads)(int dsi_id, unsigned lane_mask);
	int (*set_min_bus_tput)(struct device *dev, unsigned long r);
	enum omapdss_version version;
};

/* Init with the board info */
extern int omap_display_init(struct omap_dss_board_info *board_data);
/* HDMI mux init*/
extern int omap_hdmi_init(enum omap_hdmi_flags flags);

struct omap_video_timings {
	/* Unit: pixels */
	u16 x_res;
	/* Unit: pixels */
	u16 y_res;
	/* Unit: Hz */
	u32 pixelclock;
	/* Unit: pixel clocks */
	u16 hsw;	/* Horizontal synchronization pulse width */
	/* Unit: pixel clocks */
	u16 hfp;	/* Horizontal front porch */
	/* Unit: pixel clocks */
	u16 hbp;	/* Horizontal back porch */
	/* Unit: line clocks */
	u16 vsw;	/* Vertical synchronization pulse width */
	/* Unit: line clocks */
	u16 vfp;	/* Vertical front porch */
	/* Unit: line clocks */
	u16 vbp;	/* Vertical back porch */

	/* Vsync logic level */
	enum omap_dss_signal_level vsync_level;
	/* Hsync logic level */
	enum omap_dss_signal_level hsync_level;
	/* Interlaced or Progressive timings */
	bool interlace;
	/* Pixel clock edge to drive LCD data */
	enum omap_dss_signal_edge data_pclk_edge;
	/* Data enable logic level */
	enum omap_dss_signal_level de_level;
	/* Pixel clock edges to drive HSYNC and VSYNC signals */
	enum omap_dss_signal_edge sync_pclk_edge;
};

#ifdef CONFIG_OMAP2_DSS_VENC
/* Hardcoded timings for tv modes. Venc only uses these to
 * identify the mode, and does not actually use the configs
 * itself. However, the configs should be something that
 * a normal monitor can also show */
extern const struct omap_video_timings omap_dss_pal_timings;
extern const struct omap_video_timings omap_dss_ntsc_timings;
#endif

struct omap_dss_cpr_coefs {
	s16 rr, rg, rb;
	s16 gr, gg, gb;
	s16 br, bg, bb;
};

struct omap_overlay_info {
	dma_addr_t paddr;
	dma_addr_t p_uv_addr;  /* for NV12 format */
	u16 screen_width;
	u16 width;
	u16 height;
	enum omap_color_mode color_mode;
	u8 rotation;
	enum omap_dss_rotation_type rotation_type;
	bool mirror;

	u16 pos_x;
	u16 pos_y;
	u16 out_width;	/* if 0, out_width == width */
	u16 out_height;	/* if 0, out_height == height */
	u8 global_alpha;
	u8 pre_mult_alpha;
	u8 zorder;
};

struct omap_overlay {
	struct kobject kobj;
	struct list_head list;

	/* static fields */
	const char *name;
	enum omap_plane id;
	enum omap_color_mode supported_modes;
	enum omap_overlay_caps caps;

	/* dynamic fields */
	struct omap_overlay_manager *manager;

	/*
	 * The following functions do not block:
	 *
	 * is_enabled
	 * set_overlay_info
	 * get_overlay_info
	 *
	 * The rest of the functions may block and cannot be called from
	 * interrupt context
	 */

	int (*enable)(struct omap_overlay *ovl);
	int (*disable)(struct omap_overlay *ovl);
	bool (*is_enabled)(struct omap_overlay *ovl);

	int (*set_manager)(struct omap_overlay *ovl,
		struct omap_overlay_manager *mgr);
	int (*unset_manager)(struct omap_overlay *ovl);

	int (*set_overlay_info)(struct omap_overlay *ovl,
			struct omap_overlay_info *info);
	void (*get_overlay_info)(struct omap_overlay *ovl,
			struct omap_overlay_info *info);

	int (*wait_for_go)(struct omap_overlay *ovl);

	struct omap_dss_device *(*get_device)(struct omap_overlay *ovl);
};

struct omap_overlay_manager_info {
	u32 default_color;

	enum omap_dss_trans_key_type trans_key_type;
	u32 trans_key;
	bool trans_enabled;

	bool partial_alpha_enabled;

	bool cpr_enable;
	struct omap_dss_cpr_coefs cpr_coefs;
};

struct omap_overlay_manager {
	struct kobject kobj;

	/* static fields */
	const char *name;
	enum omap_channel id;
	enum omap_overlay_manager_caps caps;
	struct list_head overlays;
	enum omap_display_type supported_displays;
	enum omap_dss_output_id supported_outputs;

	/* dynamic fields */
	struct omap_dss_device *output;

	/*
	 * The following functions do not block:
	 *
	 * set_manager_info
	 * get_manager_info
	 * apply
	 *
	 * The rest of the functions may block and cannot be called from
	 * interrupt context
	 */

	int (*set_output)(struct omap_overlay_manager *mgr,
		struct omap_dss_device *output);
	int (*unset_output)(struct omap_overlay_manager *mgr);

	int (*set_manager_info)(struct omap_overlay_manager *mgr,
			struct omap_overlay_manager_info *info);
	void (*get_manager_info)(struct omap_overlay_manager *mgr,
			struct omap_overlay_manager_info *info);

	int (*apply)(struct omap_overlay_manager *mgr);
	int (*wait_for_go)(struct omap_overlay_manager *mgr);
	int (*wait_for_vsync)(struct omap_overlay_manager *mgr);

	struct omap_dss_device *(*get_device)(struct omap_overlay_manager *mgr);
};

/* 22 pins means 1 clk lane and 10 data lanes */
#define OMAP_DSS_MAX_DSI_PINS 22

struct omap_dsi_pin_config {
	int num_pins;
	/*
	 * pin numbers in the following order:
	 * clk+, clk-
	 * data1+, data1-
	 * data2+, data2-
	 * ...
	 */
	int pins[OMAP_DSS_MAX_DSI_PINS];
};

struct omap_dss_writeback_info {
	u32 paddr;
	u32 p_uv_addr;
	u16 buf_width;
	u16 width;
	u16 height;
	enum omap_color_mode color_mode;
	u8 rotation;
	enum omap_dss_rotation_type rotation_type;
	bool mirror;
	u8 pre_mult_alpha;
};

struct omapdss_dpi_ops {
	int (*connect)(struct omap_dss_device *dssdev,
			struct omap_dss_device *dst);
	void (*disconnect)(struct omap_dss_device *dssdev,
			struct omap_dss_device *dst);

	int (*enable)(struct omap_dss_device *dssdev);
	void (*disable)(struct omap_dss_device *dssdev);

	int (*check_timings)(struct omap_dss_device *dssdev,
			struct omap_video_timings *timings);
	void (*set_timings)(struct omap_dss_device *dssdev,
			struct omap_video_timings *timings);
	void (*get_timings)(struct omap_dss_device *dssdev,
			struct omap_video_timings *timings);

	void (*set_data_lines)(struct omap_dss_device *dssdev, int data_lines);
};

struct omapdss_sdi_ops {
	int (*connect)(struct omap_dss_device *dssdev,
			struct omap_dss_device *dst);
	void (*disconnect)(struct omap_dss_device *dssdev,
			struct omap_dss_device *dst);

	int (*enable)(struct omap_dss_device *dssdev);
	void (*disable)(struct omap_dss_device *dssdev);

	int (*check_timings)(struct omap_dss_device *dssdev,
			struct omap_video_timings *timings);
	void (*set_timings)(struct omap_dss_device *dssdev,
			struct omap_video_timings *timings);
	void (*get_timings)(struct omap_dss_device *dssdev,
			struct omap_video_timings *timings);

	void (*set_datapairs)(struct omap_dss_device *dssdev, int datapairs);
};

struct omapdss_dvi_ops {
	int (*connect)(struct omap_dss_device *dssdev,
			struct omap_dss_device *dst);
	void (*disconnect)(struct omap_dss_device *dssdev,
			struct omap_dss_device *dst);

	int (*enable)(struct omap_dss_device *dssdev);
	void (*disable)(struct omap_dss_device *dssdev);

	int (*check_timings)(struct omap_dss_device *dssdev,
			struct omap_video_timings *timings);
	void (*set_timings)(struct omap_dss_device *dssdev,
			struct omap_video_timings *timings);
	void (*get_timings)(struct omap_dss_device *dssdev,
			struct omap_video_timings *timings);
};

struct omapdss_atv_ops {
	int (*connect)(struct omap_dss_device *dssdev,
			struct omap_dss_device *dst);
	void (*disconnect)(struct omap_dss_device *dssdev,
			struct omap_dss_device *dst);

	int (*enable)(struct omap_dss_device *dssdev);
	void (*disable)(struct omap_dss_device *dssdev);

	int (*check_timings)(struct omap_dss_device *dssdev,
			struct omap_video_timings *timings);
	void (*set_timings)(struct omap_dss_device *dssdev,
			struct omap_video_timings *timings);
	void (*get_timings)(struct omap_dss_device *dssdev,
			struct omap_video_timings *timings);

	void (*set_type)(struct omap_dss_device *dssdev,
		enum omap_dss_venc_type type);
	void (*invert_vid_out_polarity)(struct omap_dss_device *dssdev,
		bool invert_polarity);

	int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
	u32 (*get_wss)(struct omap_dss_device *dssdev);
};

struct omapdss_hdmi_ops {
	int (*connect)(struct omap_dss_device *dssdev,
			struct omap_dss_device *dst);
	void (*disconnect)(struct omap_dss_device *dssdev,
			struct omap_dss_device *dst);

	int (*enable)(struct omap_dss_device *dssdev);
	void (*disable)(struct omap_dss_device *dssdev);

	int (*check_timings)(struct omap_dss_device *dssdev,
			struct omap_video_timings *timings);
	void (*set_timings)(struct omap_dss_device *dssdev,
			struct omap_video_timings *timings);
	void (*get_timings)(struct omap_dss_device *dssdev,
			struct omap_video_timings *timings);

	int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len);
	bool (*detect)(struct omap_dss_device *dssdev);

	int (*set_hdmi_mode)(struct omap_dss_device *dssdev, bool hdmi_mode);
	int (*set_infoframe)(struct omap_dss_device *dssdev,
		const struct hdmi_avi_infoframe *avi);
};

struct omapdss_dsi_ops {
	int (*connect)(struct omap_dss_device *dssdev,
			struct omap_dss_device *dst);
	void (*disconnect)(struct omap_dss_device *dssdev,
			struct omap_dss_device *dst);

	int (*enable)(struct omap_dss_device *dssdev);
	void (*disable)(struct omap_dss_device *dssdev, bool disconnect_lanes,
			bool enter_ulps);

	/* bus configuration */
	int (*set_config)(struct omap_dss_device *dssdev,
			const struct omap_dss_dsi_config *cfg);
	int (*configure_pins)(struct omap_dss_device *dssdev,
			const struct omap_dsi_pin_config *pin_cfg);

	void (*enable_hs)(struct omap_dss_device *dssdev, int channel,
			bool enable);
	int (*enable_te)(struct omap_dss_device *dssdev, bool enable);

	int (*update)(struct omap_dss_device *dssdev, int channel,
			void (*callback)(int, void *), void *data);

	void (*bus_lock)(struct omap_dss_device *dssdev);
	void (*bus_unlock)(struct omap_dss_device *dssdev);

	int (*enable_video_output)(struct omap_dss_device *dssdev, int channel);
	void (*disable_video_output)(struct omap_dss_device *dssdev,
			int channel);

	int (*request_vc)(struct omap_dss_device *dssdev, int *channel);
	int (*set_vc_id)(struct omap_dss_device *dssdev, int channel,
			int vc_id);
	void (*release_vc)(struct omap_dss_device *dssdev, int channel);

	/* data transfer */
	int (*dcs_write)(struct omap_dss_device *dssdev, int channel,
			u8 *data, int len);
	int (*dcs_write_nosync)(struct omap_dss_device *dssdev, int channel,
			u8 *data, int len);
	int (*dcs_read)(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
			u8 *data, int len);

	int (*gen_write)(struct omap_dss_device *dssdev, int channel,
			u8 *data, int len);
	int (*gen_write_nosync)(struct omap_dss_device *dssdev, int channel,
			u8 *data, int len);
	int (*gen_read)(struct omap_dss_device *dssdev, int channel,
			u8 *reqdata, int reqlen,
			u8 *data, int len);

	int (*bta_sync)(struct omap_dss_device *dssdev, int channel);

	int (*set_max_rx_packet_size)(struct omap_dss_device *dssdev,
			int channel, u16 plen);
};

struct omap_dss_device {
	struct kobject kobj;
	struct device *dev;

	struct module *owner;

	struct list_head panel_list;

	/* alias in the form of "display%d" */
	char alias[16];

	enum omap_display_type type;
	enum omap_display_type output_type;

	union {
		struct {
			u8 data_lines;
		} dpi;

		struct {
			u8 channel;
			u8 data_lines;
		} rfbi;

		struct {
			u8 datapairs;
		} sdi;

		struct {
			int module;
		} dsi;

		struct {
			enum omap_dss_venc_type type;
			bool invert_polarity;
		} venc;
	} phy;

	struct {
		struct omap_video_timings timings;

		enum omap_dss_dsi_pixel_format dsi_pix_fmt;
		enum omap_dss_dsi_mode dsi_mode;
	} panel;

	struct {
		u8 pixel_size;
		struct rfbi_timings rfbi_timings;
	} ctrl;

	const char *name;

	/* used to match device to driver */
	const char *driver_name;

	void *data;

	struct omap_dss_driver *driver;

	union {
		const struct omapdss_dpi_ops *dpi;
		const struct omapdss_sdi_ops *sdi;
		const struct omapdss_dvi_ops *dvi;
		const struct omapdss_hdmi_ops *hdmi;
		const struct omapdss_atv_ops *atv;
		const struct omapdss_dsi_ops *dsi;
	} ops;

	/* helper variable for driver suspend/resume */
	bool activate_after_resume;

	enum omap_display_caps caps;

	struct omap_dss_device *src;

	enum omap_dss_display_state state;

	/* OMAP DSS output specific fields */

	struct list_head list;

	/* DISPC channel for this output */
	enum omap_channel dispc_channel;

	/* output instance */
	enum omap_dss_output_id id;

	/* the port number in the DT node */
	int port_num;

	/* dynamic fields */
	struct omap_overlay_manager *manager;

	struct omap_dss_device *dst;
};

struct omap_dss_hdmi_data
{
	int ct_cp_hpd_gpio;
	int ls_oe_gpio;
	int hpd_gpio;
};

struct omap_dss_driver {
	int (*probe)(struct omap_dss_device *);
	void (*remove)(struct omap_dss_device *);

	int (*connect)(struct omap_dss_device *dssdev);
	void (*disconnect)(struct omap_dss_device *dssdev);

	int (*enable)(struct omap_dss_device *display);
	void (*disable)(struct omap_dss_device *display);
	int (*run_test)(struct omap_dss_device *display, int test);

	int (*update)(struct omap_dss_device *dssdev,
			       u16 x, u16 y, u16 w, u16 h);
	int (*sync)(struct omap_dss_device *dssdev);

	int (*enable_te)(struct omap_dss_device *dssdev, bool enable);
	int (*get_te)(struct omap_dss_device *dssdev);

	u8 (*get_rotate)(struct omap_dss_device *dssdev);
	int (*set_rotate)(struct omap_dss_device *dssdev, u8 rotate);

	bool (*get_mirror)(struct omap_dss_device *dssdev);
	int (*set_mirror)(struct omap_dss_device *dssdev, bool enable);

	int (*memory_read)(struct omap_dss_device *dssdev,
			void *buf, size_t size,
			u16 x, u16 y, u16 w, u16 h);

	void (*get_resolution)(struct omap_dss_device *dssdev,
			u16 *xres, u16 *yres);
	void (*get_dimensions)(struct omap_dss_device *dssdev,
			u32 *width, u32 *height);
	int (*get_recommended_bpp)(struct omap_dss_device *dssdev);

	int (*check_timings)(struct omap_dss_device *dssdev,
			struct omap_video_timings *timings);
	void (*set_timings)(struct omap_dss_device *dssdev,
			struct omap_video_timings *timings);
	void (*get_timings)(struct omap_dss_device *dssdev,
			struct omap_video_timings *timings);

	int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
	u32 (*get_wss)(struct omap_dss_device *dssdev);

	int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len);
	bool (*detect)(struct omap_dss_device *dssdev);

	int (*set_hdmi_mode)(struct omap_dss_device *dssdev, bool hdmi_mode);
	int (*set_hdmi_infoframe)(struct omap_dss_device *dssdev,
		const struct hdmi_avi_infoframe *avi);
};

enum omapdss_version omapdss_get_version(void);
bool omapdss_is_initialized(void);

int omap_dss_register_driver(struct omap_dss_driver *);
void omap_dss_unregister_driver(struct omap_dss_driver *);

int omapdss_register_display(struct omap_dss_device *dssdev);
void omapdss_unregister_display(struct omap_dss_device *dssdev);

struct omap_dss_device *omap_dss_get_device(struct omap_dss_device *dssdev);
void omap_dss_put_device(struct omap_dss_device *dssdev);
#define for_each_dss_dev(d) while ((d = omap_dss_get_next_device(d)) != NULL)
struct omap_dss_device *omap_dss_get_next_device(struct omap_dss_device *from);
struct omap_dss_device *omap_dss_find_device(void *data,
		int (*match)(struct omap_dss_device *dssdev, void *data));
const char *omapdss_get_default_display_name(void);

void videomode_to_omap_video_timings(const struct videomode *vm,
		struct omap_video_timings *ovt);
void omap_video_timings_to_videomode(const struct omap_video_timings *ovt,
		struct videomode *vm);

int dss_feat_get_num_mgrs(void);
int dss_feat_get_num_ovls(void);
enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel);
enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel);
enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane);



int omap_dss_get_num_overlay_managers(void);
struct omap_overlay_manager *omap_dss_get_overlay_manager(int num);

int omap_dss_get_num_overlays(void);
struct omap_overlay *omap_dss_get_overlay(int num);

int omapdss_register_output(struct omap_dss_device *output);
void omapdss_unregister_output(struct omap_dss_device *output);
struct omap_dss_device *omap_dss_get_output(enum omap_dss_output_id id);
struct omap_dss_device *omap_dss_find_output(const char *name);
struct omap_dss_device *omap_dss_find_output_by_port_node(struct device_node *port);
int omapdss_output_set_device(struct omap_dss_device *out,
		struct omap_dss_device *dssdev);
int omapdss_output_unset_device(struct omap_dss_device *out);

struct omap_dss_device *omapdss_find_output_from_display(struct omap_dss_device *dssdev);
struct omap_overlay_manager *omapdss_find_mgr_from_display(struct omap_dss_device *dssdev);

void omapdss_default_get_resolution(struct omap_dss_device *dssdev,
		u16 *xres, u16 *yres);
int omapdss_default_get_recommended_bpp(struct omap_dss_device *dssdev);
void omapdss_default_get_timings(struct omap_dss_device *dssdev,
		struct omap_video_timings *timings);

typedef void (*omap_dispc_isr_t) (void *arg, u32 mask);
int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask);
int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask);

u32 dispc_read_irqstatus(void);
void dispc_clear_irqstatus(u32 mask);
u32 dispc_read_irqenable(void);
void dispc_write_irqenable(u32 mask);

int dispc_request_irq(irq_handler_t handler, void *dev_id);
void dispc_free_irq(void *dev_id);

int dispc_runtime_get(void);
void dispc_runtime_put(void);

void dispc_mgr_enable(enum omap_channel channel, bool enable);
bool dispc_mgr_is_enabled(enum omap_channel channel);
u32 dispc_mgr_get_vsync_irq(enum omap_channel channel);
u32 dispc_mgr_get_framedone_irq(enum omap_channel channel);
u32 dispc_mgr_get_sync_lost_irq(enum omap_channel channel);
bool dispc_mgr_go_busy(enum omap_channel channel);
void dispc_mgr_go(enum omap_channel channel);
void dispc_mgr_set_lcd_config(enum omap_channel channel,
		const struct dss_lcd_mgr_config *config);
void dispc_mgr_set_timings(enum omap_channel channel,
		const struct omap_video_timings *timings);
void dispc_mgr_setup(enum omap_channel channel,
		const struct omap_overlay_manager_info *info);

int dispc_ovl_check(enum omap_plane plane, enum omap_channel channel,
		const struct omap_overlay_info *oi,
		const struct omap_video_timings *timings,
		int *x_predecim, int *y_predecim);

int dispc_ovl_enable(enum omap_plane plane, bool enable);
bool dispc_ovl_enabled(enum omap_plane plane);
void dispc_ovl_set_channel_out(enum omap_plane plane,
		enum omap_channel channel);
int dispc_ovl_setup(enum omap_plane plane, const struct omap_overlay_info *oi,
		bool replication, const struct omap_video_timings *mgr_timings,
		bool mem_to_mem);

int omapdss_compat_init(void);
void omapdss_compat_uninit(void);

struct dss_mgr_ops {
	int (*connect)(struct omap_overlay_manager *mgr,
		struct omap_dss_device *dst);
	void (*disconnect)(struct omap_overlay_manager *mgr,
		struct omap_dss_device *dst);

	void (*start_update)(struct omap_overlay_manager *mgr);
	int (*enable)(struct omap_overlay_manager *mgr);
	void (*disable)(struct omap_overlay_manager *mgr);
	void (*set_timings)(struct omap_overlay_manager *mgr,
			const struct omap_video_timings *timings);
	void (*set_lcd_config)(struct omap_overlay_manager *mgr,
			const struct dss_lcd_mgr_config *config);
	int (*register_framedone_handler)(struct omap_overlay_manager *mgr,
			void (*handler)(void *), void *data);
	void (*unregister_framedone_handler)(struct omap_overlay_manager *mgr,
			void (*handler)(void *), void *data);
};

int dss_install_mgr_ops(const struct dss_mgr_ops *mgr_ops);
void dss_uninstall_mgr_ops(void);

int dss_mgr_connect(struct omap_overlay_manager *mgr,
		struct omap_dss_device *dst);
void dss_mgr_disconnect(struct omap_overlay_manager *mgr,
		struct omap_dss_device *dst);
void dss_mgr_set_timings(struct omap_overlay_manager *mgr,
		const struct omap_video_timings *timings);
void dss_mgr_set_lcd_config(struct omap_overlay_manager *mgr,
		const struct dss_lcd_mgr_config *config);
int dss_mgr_enable(struct omap_overlay_manager *mgr);
void dss_mgr_disable(struct omap_overlay_manager *mgr);
void dss_mgr_start_update(struct omap_overlay_manager *mgr);
int dss_mgr_register_framedone_handler(struct omap_overlay_manager *mgr,
		void (*handler)(void *), void *data);
void dss_mgr_unregister_framedone_handler(struct omap_overlay_manager *mgr,
		void (*handler)(void *), void *data);

static inline bool omapdss_device_is_connected(struct omap_dss_device *dssdev)
{
	return dssdev->src;
}

static inline bool omapdss_device_is_enabled(struct omap_dss_device *dssdev)
{
	return dssdev->state == OMAP_DSS_DISPLAY_ACTIVE;
}

struct device_node *
omapdss_of_get_next_port(const struct device_node *parent,
			 struct device_node *prev);

struct device_node *
omapdss_of_get_next_endpoint(const struct device_node *parent,
			     struct device_node *prev);

struct device_node *
omapdss_of_get_first_endpoint(const struct device_node *parent);

struct omap_dss_device *
omapdss_of_find_source_for_first_ep(struct device_node *node);

#endif