1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Copyright (C) 2016 Texas Instruments, Inc.
4 */
5
6#ifndef __OMAPFB_DSS_H
7#define __OMAPFB_DSS_H
8
9#include <linux/list.h>
10#include <linux/kobject.h>
11#include <linux/device.h>
12#include <linux/interrupt.h>
13#include <linux/platform_data/omapdss.h>
14
15#include <video/videomode.h>
16
17#define DISPC_IRQ_FRAMEDONE		(1 << 0)
18#define DISPC_IRQ_VSYNC			(1 << 1)
19#define DISPC_IRQ_EVSYNC_EVEN		(1 << 2)
20#define DISPC_IRQ_EVSYNC_ODD		(1 << 3)
21#define DISPC_IRQ_ACBIAS_COUNT_STAT	(1 << 4)
22#define DISPC_IRQ_PROG_LINE_NUM		(1 << 5)
23#define DISPC_IRQ_GFX_FIFO_UNDERFLOW	(1 << 6)
24#define DISPC_IRQ_GFX_END_WIN		(1 << 7)
25#define DISPC_IRQ_PAL_GAMMA_MASK	(1 << 8)
26#define DISPC_IRQ_OCP_ERR		(1 << 9)
27#define DISPC_IRQ_VID1_FIFO_UNDERFLOW	(1 << 10)
28#define DISPC_IRQ_VID1_END_WIN		(1 << 11)
29#define DISPC_IRQ_VID2_FIFO_UNDERFLOW	(1 << 12)
30#define DISPC_IRQ_VID2_END_WIN		(1 << 13)
31#define DISPC_IRQ_SYNC_LOST		(1 << 14)
32#define DISPC_IRQ_SYNC_LOST_DIGIT	(1 << 15)
33#define DISPC_IRQ_WAKEUP		(1 << 16)
34#define DISPC_IRQ_SYNC_LOST2		(1 << 17)
35#define DISPC_IRQ_VSYNC2		(1 << 18)
36#define DISPC_IRQ_VID3_END_WIN		(1 << 19)
37#define DISPC_IRQ_VID3_FIFO_UNDERFLOW	(1 << 20)
38#define DISPC_IRQ_ACBIAS_COUNT_STAT2	(1 << 21)
39#define DISPC_IRQ_FRAMEDONE2		(1 << 22)
40#define DISPC_IRQ_FRAMEDONEWB		(1 << 23)
41#define DISPC_IRQ_FRAMEDONETV		(1 << 24)
42#define DISPC_IRQ_WBBUFFEROVERFLOW	(1 << 25)
43#define DISPC_IRQ_WBUNCOMPLETEERROR	(1 << 26)
44#define DISPC_IRQ_SYNC_LOST3		(1 << 27)
45#define DISPC_IRQ_VSYNC3		(1 << 28)
46#define DISPC_IRQ_ACBIAS_COUNT_STAT3	(1 << 29)
47#define DISPC_IRQ_FRAMEDONE3		(1 << 30)
48
49struct omap_dss_device;
50struct omap_overlay_manager;
51struct dss_lcd_mgr_config;
52struct snd_aes_iec958;
53struct snd_cea_861_aud_if;
54struct hdmi_avi_infoframe;
55
56enum omap_display_type {
57	OMAP_DISPLAY_TYPE_NONE		= 0,
58	OMAP_DISPLAY_TYPE_DPI		= 1 << 0,
59	OMAP_DISPLAY_TYPE_DBI		= 1 << 1,
60	OMAP_DISPLAY_TYPE_SDI		= 1 << 2,
61	OMAP_DISPLAY_TYPE_DSI		= 1 << 3,
62	OMAP_DISPLAY_TYPE_VENC		= 1 << 4,
63	OMAP_DISPLAY_TYPE_HDMI		= 1 << 5,
64	OMAP_DISPLAY_TYPE_DVI		= 1 << 6,
65};
66
67enum omap_plane {
68	OMAP_DSS_GFX	= 0,
69	OMAP_DSS_VIDEO1	= 1,
70	OMAP_DSS_VIDEO2	= 2,
71	OMAP_DSS_VIDEO3	= 3,
72	OMAP_DSS_WB	= 4,
73};
74
75enum omap_channel {
76	OMAP_DSS_CHANNEL_LCD	= 0,
77	OMAP_DSS_CHANNEL_DIGIT	= 1,
78	OMAP_DSS_CHANNEL_LCD2	= 2,
79	OMAP_DSS_CHANNEL_LCD3	= 3,
80	OMAP_DSS_CHANNEL_WB	= 4,
81};
82
83enum omap_color_mode {
84	OMAP_DSS_COLOR_CLUT1	= 1 << 0,  /* BITMAP 1 */
85	OMAP_DSS_COLOR_CLUT2	= 1 << 1,  /* BITMAP 2 */
86	OMAP_DSS_COLOR_CLUT4	= 1 << 2,  /* BITMAP 4 */
87	OMAP_DSS_COLOR_CLUT8	= 1 << 3,  /* BITMAP 8 */
88	OMAP_DSS_COLOR_RGB12U	= 1 << 4,  /* RGB12, 16-bit container */
89	OMAP_DSS_COLOR_ARGB16	= 1 << 5,  /* ARGB16 */
90	OMAP_DSS_COLOR_RGB16	= 1 << 6,  /* RGB16 */
91	OMAP_DSS_COLOR_RGB24U	= 1 << 7,  /* RGB24, 32-bit container */
92	OMAP_DSS_COLOR_RGB24P	= 1 << 8,  /* RGB24, 24-bit container */
93	OMAP_DSS_COLOR_YUV2	= 1 << 9,  /* YUV2 4:2:2 co-sited */
94	OMAP_DSS_COLOR_UYVY	= 1 << 10, /* UYVY 4:2:2 co-sited */
95	OMAP_DSS_COLOR_ARGB32	= 1 << 11, /* ARGB32 */
96	OMAP_DSS_COLOR_RGBA32	= 1 << 12, /* RGBA32 */
97	OMAP_DSS_COLOR_RGBX32	= 1 << 13, /* RGBx32 */
98	OMAP_DSS_COLOR_NV12		= 1 << 14, /* NV12 format: YUV 4:2:0 */
99	OMAP_DSS_COLOR_RGBA16		= 1 << 15, /* RGBA16 - 4444 */
100	OMAP_DSS_COLOR_RGBX16		= 1 << 16, /* RGBx16 - 4444 */
101	OMAP_DSS_COLOR_ARGB16_1555	= 1 << 17, /* ARGB16 - 1555 */
102	OMAP_DSS_COLOR_XRGB16_1555	= 1 << 18, /* xRGB16 - 1555 */
103};
104
105enum omap_dss_load_mode {
106	OMAP_DSS_LOAD_CLUT_AND_FRAME	= 0,
107	OMAP_DSS_LOAD_CLUT_ONLY		= 1,
108	OMAP_DSS_LOAD_FRAME_ONLY	= 2,
109	OMAP_DSS_LOAD_CLUT_ONCE_FRAME	= 3,
110};
111
112enum omap_dss_trans_key_type {
113	OMAP_DSS_COLOR_KEY_GFX_DST = 0,
114	OMAP_DSS_COLOR_KEY_VID_SRC = 1,
115};
116
117enum omap_dss_signal_level {
118	OMAPDSS_SIG_ACTIVE_LOW,
119	OMAPDSS_SIG_ACTIVE_HIGH,
120};
121
122enum omap_dss_signal_edge {
123	OMAPDSS_DRIVE_SIG_FALLING_EDGE,
124	OMAPDSS_DRIVE_SIG_RISING_EDGE,
125};
126
127enum omap_dss_venc_type {
128	OMAP_DSS_VENC_TYPE_COMPOSITE,
129	OMAP_DSS_VENC_TYPE_SVIDEO,
130};
131
132enum omap_dss_dsi_pixel_format {
133	OMAP_DSS_DSI_FMT_RGB888,
134	OMAP_DSS_DSI_FMT_RGB666,
135	OMAP_DSS_DSI_FMT_RGB666_PACKED,
136	OMAP_DSS_DSI_FMT_RGB565,
137};
138
139enum omap_dss_dsi_mode {
140	OMAP_DSS_DSI_CMD_MODE = 0,
141	OMAP_DSS_DSI_VIDEO_MODE,
142};
143
144enum omap_display_caps {
145	OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE	= 1 << 0,
146	OMAP_DSS_DISPLAY_CAP_TEAR_ELIM		= 1 << 1,
147};
148
149enum omap_dss_display_state {
150	OMAP_DSS_DISPLAY_DISABLED = 0,
151	OMAP_DSS_DISPLAY_ACTIVE,
152};
153
154enum omap_dss_rotation_type {
155	OMAP_DSS_ROT_DMA	= 1 << 0,
156	OMAP_DSS_ROT_VRFB	= 1 << 1,
157	OMAP_DSS_ROT_TILER	= 1 << 2,
158};
159
160/* clockwise rotation angle */
161enum omap_dss_rotation_angle {
162	OMAP_DSS_ROT_0   = 0,
163	OMAP_DSS_ROT_90  = 1,
164	OMAP_DSS_ROT_180 = 2,
165	OMAP_DSS_ROT_270 = 3,
166};
167
168enum omap_overlay_caps {
169	OMAP_DSS_OVL_CAP_SCALE = 1 << 0,
170	OMAP_DSS_OVL_CAP_GLOBAL_ALPHA = 1 << 1,
171	OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA = 1 << 2,
172	OMAP_DSS_OVL_CAP_ZORDER = 1 << 3,
173	OMAP_DSS_OVL_CAP_POS = 1 << 4,
174	OMAP_DSS_OVL_CAP_REPLICATION = 1 << 5,
175};
176
177enum omap_dss_output_id {
178	OMAP_DSS_OUTPUT_DPI	= 1 << 0,
179	OMAP_DSS_OUTPUT_DBI	= 1 << 1,
180	OMAP_DSS_OUTPUT_SDI	= 1 << 2,
181	OMAP_DSS_OUTPUT_DSI1	= 1 << 3,
182	OMAP_DSS_OUTPUT_DSI2	= 1 << 4,
183	OMAP_DSS_OUTPUT_VENC	= 1 << 5,
184	OMAP_DSS_OUTPUT_HDMI	= 1 << 6,
185};
186
187/* DSI */
188
189enum omap_dss_dsi_trans_mode {
190	/* Sync Pulses: both sync start and end packets sent */
191	OMAP_DSS_DSI_PULSE_MODE,
192	/* Sync Events: only sync start packets sent */
193	OMAP_DSS_DSI_EVENT_MODE,
194	/* Burst: only sync start packets sent, pixels are time compressed */
195	OMAP_DSS_DSI_BURST_MODE,
196};
197
198struct omap_dss_dsi_videomode_timings {
199	unsigned long hsclk;
200
201	unsigned ndl;
202	unsigned bitspp;
203
204	/* pixels */
205	u16 hact;
206	/* lines */
207	u16 vact;
208
209	/* DSI video mode blanking data */
210	/* Unit: byte clock cycles */
211	u16 hss;
212	u16 hsa;
213	u16 hse;
214	u16 hfp;
215	u16 hbp;
216	/* Unit: line clocks */
217	u16 vsa;
218	u16 vfp;
219	u16 vbp;
220
221	/* DSI blanking modes */
222	int blanking_mode;
223	int hsa_blanking_mode;
224	int hbp_blanking_mode;
225	int hfp_blanking_mode;
226
227	enum omap_dss_dsi_trans_mode trans_mode;
228
229	bool ddr_clk_always_on;
230	int window_sync;
231};
232
233struct omap_dss_dsi_config {
234	enum omap_dss_dsi_mode mode;
235	enum omap_dss_dsi_pixel_format pixel_format;
236	const struct omap_video_timings *timings;
237
238	unsigned long hs_clk_min, hs_clk_max;
239	unsigned long lp_clk_min, lp_clk_max;
240
241	bool ddr_clk_always_on;
242	enum omap_dss_dsi_trans_mode trans_mode;
243};
244
245struct omap_video_timings {
246	/* Unit: pixels */
247	u16 x_res;
248	/* Unit: pixels */
249	u16 y_res;
250	/* Unit: Hz */
251	u32 pixelclock;
252	/* Unit: pixel clocks */
253	u16 hsw;	/* Horizontal synchronization pulse width */
254	/* Unit: pixel clocks */
255	u16 hfp;	/* Horizontal front porch */
256	/* Unit: pixel clocks */
257	u16 hbp;	/* Horizontal back porch */
258	/* Unit: line clocks */
259	u16 vsw;	/* Vertical synchronization pulse width */
260	/* Unit: line clocks */
261	u16 vfp;	/* Vertical front porch */
262	/* Unit: line clocks */
263	u16 vbp;	/* Vertical back porch */
264
265	/* Vsync logic level */
266	enum omap_dss_signal_level vsync_level;
267	/* Hsync logic level */
268	enum omap_dss_signal_level hsync_level;
269	/* Interlaced or Progressive timings */
270	bool interlace;
271	/* Pixel clock edge to drive LCD data */
272	enum omap_dss_signal_edge data_pclk_edge;
273	/* Data enable logic level */
274	enum omap_dss_signal_level de_level;
275	/* Pixel clock edges to drive HSYNC and VSYNC signals */
276	enum omap_dss_signal_edge sync_pclk_edge;
277
278	bool double_pixel;
279};
280
281/* Hardcoded timings for tv modes. Venc only uses these to
282 * identify the mode, and does not actually use the configs
283 * itself. However, the configs should be something that
284 * a normal monitor can also show */
285extern const struct omap_video_timings omap_dss_pal_timings;
286extern const struct omap_video_timings omap_dss_ntsc_timings;
287
288struct omap_dss_cpr_coefs {
289	s16 rr, rg, rb;
290	s16 gr, gg, gb;
291	s16 br, bg, bb;
292};
293
294struct omap_overlay_info {
295	dma_addr_t paddr;
296	dma_addr_t p_uv_addr;  /* for NV12 format */
297	u16 screen_width;
298	u16 width;
299	u16 height;
300	enum omap_color_mode color_mode;
301	u8 rotation;
302	enum omap_dss_rotation_type rotation_type;
303	bool mirror;
304
305	u16 pos_x;
306	u16 pos_y;
307	u16 out_width;	/* if 0, out_width == width */
308	u16 out_height;	/* if 0, out_height == height */
309	u8 global_alpha;
310	u8 pre_mult_alpha;
311	u8 zorder;
312};
313
314struct omap_overlay {
315	struct kobject kobj;
316	struct list_head list;
317
318	/* static fields */
319	const char *name;
320	enum omap_plane id;
321	enum omap_color_mode supported_modes;
322	enum omap_overlay_caps caps;
323
324	/* dynamic fields */
325	struct omap_overlay_manager *manager;
326
327	/*
328	 * The following functions do not block:
329	 *
330	 * is_enabled
331	 * set_overlay_info
332	 * get_overlay_info
333	 *
334	 * The rest of the functions may block and cannot be called from
335	 * interrupt context
336	 */
337
338	int (*enable)(struct omap_overlay *ovl);
339	int (*disable)(struct omap_overlay *ovl);
340	bool (*is_enabled)(struct omap_overlay *ovl);
341
342	int (*set_manager)(struct omap_overlay *ovl,
343		struct omap_overlay_manager *mgr);
344	int (*unset_manager)(struct omap_overlay *ovl);
345
346	int (*set_overlay_info)(struct omap_overlay *ovl,
347			struct omap_overlay_info *info);
348	void (*get_overlay_info)(struct omap_overlay *ovl,
349			struct omap_overlay_info *info);
350
351	int (*wait_for_go)(struct omap_overlay *ovl);
352
353	struct omap_dss_device *(*get_device)(struct omap_overlay *ovl);
354};
355
356struct omap_overlay_manager_info {
357	u32 default_color;
358
359	enum omap_dss_trans_key_type trans_key_type;
360	u32 trans_key;
361	bool trans_enabled;
362
363	bool partial_alpha_enabled;
364
365	bool cpr_enable;
366	struct omap_dss_cpr_coefs cpr_coefs;
367};
368
369struct omap_overlay_manager {
370	struct kobject kobj;
371
372	/* static fields */
373	const char *name;
374	enum omap_channel id;
375	struct list_head overlays;
376	enum omap_display_type supported_displays;
377	enum omap_dss_output_id supported_outputs;
378
379	/* dynamic fields */
380	struct omap_dss_device *output;
381
382	/*
383	 * The following functions do not block:
384	 *
385	 * set_manager_info
386	 * get_manager_info
387	 * apply
388	 *
389	 * The rest of the functions may block and cannot be called from
390	 * interrupt context
391	 */
392
393	int (*set_output)(struct omap_overlay_manager *mgr,
394		struct omap_dss_device *output);
395	int (*unset_output)(struct omap_overlay_manager *mgr);
396
397	int (*set_manager_info)(struct omap_overlay_manager *mgr,
398			struct omap_overlay_manager_info *info);
399	void (*get_manager_info)(struct omap_overlay_manager *mgr,
400			struct omap_overlay_manager_info *info);
401
402	int (*apply)(struct omap_overlay_manager *mgr);
403	int (*wait_for_go)(struct omap_overlay_manager *mgr);
404	int (*wait_for_vsync)(struct omap_overlay_manager *mgr);
405
406	struct omap_dss_device *(*get_device)(struct omap_overlay_manager *mgr);
407};
408
409/* 22 pins means 1 clk lane and 10 data lanes */
410#define OMAP_DSS_MAX_DSI_PINS 22
411
412struct omap_dsi_pin_config {
413	int num_pins;
414	/*
415	 * pin numbers in the following order:
416	 * clk+, clk-
417	 * data1+, data1-
418	 * data2+, data2-
419	 * ...
420	 */
421	int pins[OMAP_DSS_MAX_DSI_PINS];
422};
423
424struct omap_dss_writeback_info {
425	u32 paddr;
426	u32 p_uv_addr;
427	u16 buf_width;
428	u16 width;
429	u16 height;
430	enum omap_color_mode color_mode;
431	u8 rotation;
432	enum omap_dss_rotation_type rotation_type;
433	bool mirror;
434	u8 pre_mult_alpha;
435};
436
437struct omapdss_dpi_ops {
438	int (*connect)(struct omap_dss_device *dssdev,
439			struct omap_dss_device *dst);
440	void (*disconnect)(struct omap_dss_device *dssdev,
441			struct omap_dss_device *dst);
442
443	int (*enable)(struct omap_dss_device *dssdev);
444	void (*disable)(struct omap_dss_device *dssdev);
445
446	int (*check_timings)(struct omap_dss_device *dssdev,
447			struct omap_video_timings *timings);
448	void (*set_timings)(struct omap_dss_device *dssdev,
449			struct omap_video_timings *timings);
450	void (*get_timings)(struct omap_dss_device *dssdev,
451			struct omap_video_timings *timings);
452
453	void (*set_data_lines)(struct omap_dss_device *dssdev, int data_lines);
454};
455
456struct omapdss_sdi_ops {
457	int (*connect)(struct omap_dss_device *dssdev,
458			struct omap_dss_device *dst);
459	void (*disconnect)(struct omap_dss_device *dssdev,
460			struct omap_dss_device *dst);
461
462	int (*enable)(struct omap_dss_device *dssdev);
463	void (*disable)(struct omap_dss_device *dssdev);
464
465	int (*check_timings)(struct omap_dss_device *dssdev,
466			struct omap_video_timings *timings);
467	void (*set_timings)(struct omap_dss_device *dssdev,
468			struct omap_video_timings *timings);
469	void (*get_timings)(struct omap_dss_device *dssdev,
470			struct omap_video_timings *timings);
471
472	void (*set_datapairs)(struct omap_dss_device *dssdev, int datapairs);
473};
474
475struct omapdss_dvi_ops {
476	int (*connect)(struct omap_dss_device *dssdev,
477			struct omap_dss_device *dst);
478	void (*disconnect)(struct omap_dss_device *dssdev,
479			struct omap_dss_device *dst);
480
481	int (*enable)(struct omap_dss_device *dssdev);
482	void (*disable)(struct omap_dss_device *dssdev);
483
484	int (*check_timings)(struct omap_dss_device *dssdev,
485			struct omap_video_timings *timings);
486	void (*set_timings)(struct omap_dss_device *dssdev,
487			struct omap_video_timings *timings);
488	void (*get_timings)(struct omap_dss_device *dssdev,
489			struct omap_video_timings *timings);
490};
491
492struct omapdss_atv_ops {
493	int (*connect)(struct omap_dss_device *dssdev,
494			struct omap_dss_device *dst);
495	void (*disconnect)(struct omap_dss_device *dssdev,
496			struct omap_dss_device *dst);
497
498	int (*enable)(struct omap_dss_device *dssdev);
499	void (*disable)(struct omap_dss_device *dssdev);
500
501	int (*check_timings)(struct omap_dss_device *dssdev,
502			struct omap_video_timings *timings);
503	void (*set_timings)(struct omap_dss_device *dssdev,
504			struct omap_video_timings *timings);
505	void (*get_timings)(struct omap_dss_device *dssdev,
506			struct omap_video_timings *timings);
507
508	void (*set_type)(struct omap_dss_device *dssdev,
509		enum omap_dss_venc_type type);
510	void (*invert_vid_out_polarity)(struct omap_dss_device *dssdev,
511		bool invert_polarity);
512
513	int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
514	u32 (*get_wss)(struct omap_dss_device *dssdev);
515};
516
517struct omapdss_hdmi_ops {
518	int (*connect)(struct omap_dss_device *dssdev,
519			struct omap_dss_device *dst);
520	void (*disconnect)(struct omap_dss_device *dssdev,
521			struct omap_dss_device *dst);
522
523	int (*enable)(struct omap_dss_device *dssdev);
524	void (*disable)(struct omap_dss_device *dssdev);
525
526	int (*check_timings)(struct omap_dss_device *dssdev,
527			struct omap_video_timings *timings);
528	void (*set_timings)(struct omap_dss_device *dssdev,
529			struct omap_video_timings *timings);
530	void (*get_timings)(struct omap_dss_device *dssdev,
531			struct omap_video_timings *timings);
532
533	int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len);
534	bool (*detect)(struct omap_dss_device *dssdev);
535
536	int (*set_hdmi_mode)(struct omap_dss_device *dssdev, bool hdmi_mode);
537	int (*set_infoframe)(struct omap_dss_device *dssdev,
538		const struct hdmi_avi_infoframe *avi);
539};
540
541struct omapdss_dsi_ops {
542	int (*connect)(struct omap_dss_device *dssdev,
543			struct omap_dss_device *dst);
544	void (*disconnect)(struct omap_dss_device *dssdev,
545			struct omap_dss_device *dst);
546
547	int (*enable)(struct omap_dss_device *dssdev);
548	void (*disable)(struct omap_dss_device *dssdev, bool disconnect_lanes,
549			bool enter_ulps);
550
551	/* bus configuration */
552	int (*set_config)(struct omap_dss_device *dssdev,
553			const struct omap_dss_dsi_config *cfg);
554	int (*configure_pins)(struct omap_dss_device *dssdev,
555			const struct omap_dsi_pin_config *pin_cfg);
556
557	void (*enable_hs)(struct omap_dss_device *dssdev, int channel,
558			bool enable);
559	int (*enable_te)(struct omap_dss_device *dssdev, bool enable);
560
561	int (*update)(struct omap_dss_device *dssdev, int channel,
562			void (*callback)(int, void *), void *data);
563
564	void (*bus_lock)(struct omap_dss_device *dssdev);
565	void (*bus_unlock)(struct omap_dss_device *dssdev);
566
567	int (*enable_video_output)(struct omap_dss_device *dssdev, int channel);
568	void (*disable_video_output)(struct omap_dss_device *dssdev,
569			int channel);
570
571	int (*request_vc)(struct omap_dss_device *dssdev, int *channel);
572	int (*set_vc_id)(struct omap_dss_device *dssdev, int channel,
573			int vc_id);
574	void (*release_vc)(struct omap_dss_device *dssdev, int channel);
575
576	/* data transfer */
577	int (*dcs_write)(struct omap_dss_device *dssdev, int channel,
578			u8 *data, int len);
579	int (*dcs_write_nosync)(struct omap_dss_device *dssdev, int channel,
580			u8 *data, int len);
581	int (*dcs_read)(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
582			u8 *data, int len);
583
584	int (*gen_write)(struct omap_dss_device *dssdev, int channel,
585			u8 *data, int len);
586	int (*gen_write_nosync)(struct omap_dss_device *dssdev, int channel,
587			u8 *data, int len);
588	int (*gen_read)(struct omap_dss_device *dssdev, int channel,
589			u8 *reqdata, int reqlen,
590			u8 *data, int len);
591
592	int (*bta_sync)(struct omap_dss_device *dssdev, int channel);
593
594	int (*set_max_rx_packet_size)(struct omap_dss_device *dssdev,
595			int channel, u16 plen);
596};
597
598struct omap_dss_device {
599	struct kobject kobj;
600	struct device *dev;
601
602	struct module *owner;
603
604	struct list_head panel_list;
605
606	/* alias in the form of "display%d" */
607	char alias[16];
608
609	enum omap_display_type type;
610	enum omap_display_type output_type;
611
612	union {
613		struct {
614			u8 data_lines;
615		} dpi;
616
617		struct {
618			u8 datapairs;
619		} sdi;
620
621		struct {
622			int module;
623		} dsi;
624
625		struct {
626			enum omap_dss_venc_type type;
627			bool invert_polarity;
628		} venc;
629	} phy;
630
631	struct {
632		struct omap_video_timings timings;
633
634		enum omap_dss_dsi_pixel_format dsi_pix_fmt;
635		enum omap_dss_dsi_mode dsi_mode;
636	} panel;
637
638	struct {
639		u8 pixel_size;
640	} ctrl;
641
642	const char *name;
643
644	/* used to match device to driver */
645	const char *driver_name;
646
647	void *data;
648
649	struct omap_dss_driver *driver;
650
651	union {
652		const struct omapdss_dpi_ops *dpi;
653		const struct omapdss_sdi_ops *sdi;
654		const struct omapdss_dvi_ops *dvi;
655		const struct omapdss_hdmi_ops *hdmi;
656		const struct omapdss_atv_ops *atv;
657		const struct omapdss_dsi_ops *dsi;
658	} ops;
659
660	/* helper variable for driver suspend/resume */
661	bool activate_after_resume;
662
663	enum omap_display_caps caps;
664
665	struct omap_dss_device *src;
666
667	enum omap_dss_display_state state;
668
669	/* OMAP DSS output specific fields */
670
671	struct list_head list;
672
673	/* DISPC channel for this output */
674	enum omap_channel dispc_channel;
675	bool dispc_channel_connected;
676
677	/* output instance */
678	enum omap_dss_output_id id;
679
680	/* the port number in the DT node */
681	int port_num;
682
683	/* dynamic fields */
684	struct omap_overlay_manager *manager;
685
686	struct omap_dss_device *dst;
687};
688
689struct omap_dss_driver {
690	int (*probe)(struct omap_dss_device *);
691	void (*remove)(struct omap_dss_device *);
692
693	int (*connect)(struct omap_dss_device *dssdev);
694	void (*disconnect)(struct omap_dss_device *dssdev);
695
696	int (*enable)(struct omap_dss_device *display);
697	void (*disable)(struct omap_dss_device *display);
698	int (*run_test)(struct omap_dss_device *display, int test);
699
700	int (*update)(struct omap_dss_device *dssdev,
701			       u16 x, u16 y, u16 w, u16 h);
702	int (*sync)(struct omap_dss_device *dssdev);
703
704	int (*enable_te)(struct omap_dss_device *dssdev, bool enable);
705	int (*get_te)(struct omap_dss_device *dssdev);
706
707	u8 (*get_rotate)(struct omap_dss_device *dssdev);
708	int (*set_rotate)(struct omap_dss_device *dssdev, u8 rotate);
709
710	bool (*get_mirror)(struct omap_dss_device *dssdev);
711	int (*set_mirror)(struct omap_dss_device *dssdev, bool enable);
712
713	int (*memory_read)(struct omap_dss_device *dssdev,
714			void *buf, size_t size,
715			u16 x, u16 y, u16 w, u16 h);
716
717	void (*get_resolution)(struct omap_dss_device *dssdev,
718			u16 *xres, u16 *yres);
719	void (*get_dimensions)(struct omap_dss_device *dssdev,
720			u32 *width, u32 *height);
721	int (*get_recommended_bpp)(struct omap_dss_device *dssdev);
722
723	int (*check_timings)(struct omap_dss_device *dssdev,
724			struct omap_video_timings *timings);
725	void (*set_timings)(struct omap_dss_device *dssdev,
726			struct omap_video_timings *timings);
727	void (*get_timings)(struct omap_dss_device *dssdev,
728			struct omap_video_timings *timings);
729
730	int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
731	u32 (*get_wss)(struct omap_dss_device *dssdev);
732
733	int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len);
734	bool (*detect)(struct omap_dss_device *dssdev);
735
736	int (*set_hdmi_mode)(struct omap_dss_device *dssdev, bool hdmi_mode);
737	int (*set_hdmi_infoframe)(struct omap_dss_device *dssdev,
738		const struct hdmi_avi_infoframe *avi);
739};
740
741#define for_each_dss_dev(d) while ((d = omap_dss_get_next_device(d)) != NULL)
742
743typedef void (*omap_dispc_isr_t) (void *arg, u32 mask);
744
745#if IS_ENABLED(CONFIG_FB_OMAP2)
746
747enum omapdss_version omapdss_get_version(void);
748bool omapdss_is_initialized(void);
749
750int omap_dss_register_driver(struct omap_dss_driver *);
751void omap_dss_unregister_driver(struct omap_dss_driver *);
752
753int omapdss_register_display(struct omap_dss_device *dssdev);
754void omapdss_unregister_display(struct omap_dss_device *dssdev);
755
756struct omap_dss_device *omap_dss_get_device(struct omap_dss_device *dssdev);
757void omap_dss_put_device(struct omap_dss_device *dssdev);
758struct omap_dss_device *omap_dss_get_next_device(struct omap_dss_device *from);
759struct omap_dss_device *omap_dss_find_device(void *data,
760		int (*match)(struct omap_dss_device *dssdev, void *data));
761const char *omapdss_get_default_display_name(void);
762
763void videomode_to_omap_video_timings(const struct videomode *vm,
764		struct omap_video_timings *ovt);
765void omap_video_timings_to_videomode(const struct omap_video_timings *ovt,
766		struct videomode *vm);
767
768int dss_feat_get_num_mgrs(void);
769int dss_feat_get_num_ovls(void);
770enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane);
771
772
773
774int omap_dss_get_num_overlay_managers(void);
775struct omap_overlay_manager *omap_dss_get_overlay_manager(int num);
776
777int omap_dss_get_num_overlays(void);
778struct omap_overlay *omap_dss_get_overlay(int num);
779
780int omapdss_register_output(struct omap_dss_device *output);
781void omapdss_unregister_output(struct omap_dss_device *output);
782struct omap_dss_device *omap_dss_get_output(enum omap_dss_output_id id);
783struct omap_dss_device *omap_dss_find_output(const char *name);
784struct omap_dss_device *omap_dss_find_output_by_port_node(struct device_node *port);
785int omapdss_output_set_device(struct omap_dss_device *out,
786		struct omap_dss_device *dssdev);
787int omapdss_output_unset_device(struct omap_dss_device *out);
788
789struct omap_dss_device *omapdss_find_output_from_display(struct omap_dss_device *dssdev);
790struct omap_overlay_manager *omapdss_find_mgr_from_display(struct omap_dss_device *dssdev);
791
792void omapdss_default_get_resolution(struct omap_dss_device *dssdev,
793		u16 *xres, u16 *yres);
794int omapdss_default_get_recommended_bpp(struct omap_dss_device *dssdev);
795void omapdss_default_get_timings(struct omap_dss_device *dssdev,
796		struct omap_video_timings *timings);
797
798int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask);
799int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask);
800
801int omapdss_compat_init(void);
802void omapdss_compat_uninit(void);
803
804static inline bool omapdss_device_is_connected(struct omap_dss_device *dssdev)
805{
806	return dssdev->src;
807}
808
809static inline bool omapdss_device_is_enabled(struct omap_dss_device *dssdev)
810{
811	return dssdev->state == OMAP_DSS_DISPLAY_ACTIVE;
812}
813
814struct device_node *
815omapdss_of_get_next_port(const struct device_node *parent,
816			 struct device_node *prev);
817
818struct device_node *
819omapdss_of_get_next_endpoint(const struct device_node *parent,
820			     struct device_node *prev);
821
822struct omap_dss_device *
823omapdss_of_find_source_for_first_ep(struct device_node *node);
824#else
825
826static inline enum omapdss_version omapdss_get_version(void)
827{ return OMAPDSS_VER_UNKNOWN; };
828
829static inline bool omapdss_is_initialized(void)
830{ return false; };
831
832static inline int omap_dispc_register_isr(omap_dispc_isr_t isr,
833					  void *arg, u32 mask)
834{ return 0; };
835
836static inline int omap_dispc_unregister_isr(omap_dispc_isr_t isr,
837					    void *arg, u32 mask)
838{ return 0; };
839
840static inline struct omap_dss_device
841*omap_dss_get_device(struct omap_dss_device *dssdev)
842{ return NULL; };
843
844static inline struct omap_dss_device
845*omap_dss_get_next_device(struct omap_dss_device *from)
846{return NULL; };
847
848static inline void omap_dss_put_device(struct omap_dss_device *dssdev) {};
849
850static inline int omapdss_compat_init(void)
851{ return 0; };
852
853static inline void omapdss_compat_uninit(void) {};
854
855static inline int omap_dss_get_num_overlay_managers(void)
856{ return 0; };
857
858static inline struct omap_overlay_manager *omap_dss_get_overlay_manager(int num)
859{ return NULL; };
860
861static inline int omap_dss_get_num_overlays(void)
862{ return 0; };
863
864static inline struct omap_overlay *omap_dss_get_overlay(int num)
865{ return NULL; };
866
867
868#endif /* FB_OMAP2 */
869
870
871#endif /* __OMAPFB_DSS_H */
872