xref: /linux/include/video/omapfb_dss.h (revision 44f57d78)
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 
49 struct omap_dss_device;
50 struct omap_overlay_manager;
51 struct dss_lcd_mgr_config;
52 struct snd_aes_iec958;
53 struct snd_cea_861_aud_if;
54 struct hdmi_avi_infoframe;
55 
56 enum 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 
67 enum 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 
75 enum 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 
83 enum 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 
105 enum 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 
112 enum omap_dss_trans_key_type {
113 	OMAP_DSS_COLOR_KEY_GFX_DST = 0,
114 	OMAP_DSS_COLOR_KEY_VID_SRC = 1,
115 };
116 
117 enum omap_rfbi_te_mode {
118 	OMAP_DSS_RFBI_TE_MODE_1 = 1,
119 	OMAP_DSS_RFBI_TE_MODE_2 = 2,
120 };
121 
122 enum omap_dss_signal_level {
123 	OMAPDSS_SIG_ACTIVE_LOW,
124 	OMAPDSS_SIG_ACTIVE_HIGH,
125 };
126 
127 enum omap_dss_signal_edge {
128 	OMAPDSS_DRIVE_SIG_FALLING_EDGE,
129 	OMAPDSS_DRIVE_SIG_RISING_EDGE,
130 };
131 
132 enum omap_dss_venc_type {
133 	OMAP_DSS_VENC_TYPE_COMPOSITE,
134 	OMAP_DSS_VENC_TYPE_SVIDEO,
135 };
136 
137 enum omap_dss_dsi_pixel_format {
138 	OMAP_DSS_DSI_FMT_RGB888,
139 	OMAP_DSS_DSI_FMT_RGB666,
140 	OMAP_DSS_DSI_FMT_RGB666_PACKED,
141 	OMAP_DSS_DSI_FMT_RGB565,
142 };
143 
144 enum omap_dss_dsi_mode {
145 	OMAP_DSS_DSI_CMD_MODE = 0,
146 	OMAP_DSS_DSI_VIDEO_MODE,
147 };
148 
149 enum omap_display_caps {
150 	OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE	= 1 << 0,
151 	OMAP_DSS_DISPLAY_CAP_TEAR_ELIM		= 1 << 1,
152 };
153 
154 enum omap_dss_display_state {
155 	OMAP_DSS_DISPLAY_DISABLED = 0,
156 	OMAP_DSS_DISPLAY_ACTIVE,
157 };
158 
159 enum omap_dss_rotation_type {
160 	OMAP_DSS_ROT_DMA	= 1 << 0,
161 	OMAP_DSS_ROT_VRFB	= 1 << 1,
162 	OMAP_DSS_ROT_TILER	= 1 << 2,
163 };
164 
165 /* clockwise rotation angle */
166 enum omap_dss_rotation_angle {
167 	OMAP_DSS_ROT_0   = 0,
168 	OMAP_DSS_ROT_90  = 1,
169 	OMAP_DSS_ROT_180 = 2,
170 	OMAP_DSS_ROT_270 = 3,
171 };
172 
173 enum omap_overlay_caps {
174 	OMAP_DSS_OVL_CAP_SCALE = 1 << 0,
175 	OMAP_DSS_OVL_CAP_GLOBAL_ALPHA = 1 << 1,
176 	OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA = 1 << 2,
177 	OMAP_DSS_OVL_CAP_ZORDER = 1 << 3,
178 	OMAP_DSS_OVL_CAP_POS = 1 << 4,
179 	OMAP_DSS_OVL_CAP_REPLICATION = 1 << 5,
180 };
181 
182 enum omap_dss_output_id {
183 	OMAP_DSS_OUTPUT_DPI	= 1 << 0,
184 	OMAP_DSS_OUTPUT_DBI	= 1 << 1,
185 	OMAP_DSS_OUTPUT_SDI	= 1 << 2,
186 	OMAP_DSS_OUTPUT_DSI1	= 1 << 3,
187 	OMAP_DSS_OUTPUT_DSI2	= 1 << 4,
188 	OMAP_DSS_OUTPUT_VENC	= 1 << 5,
189 	OMAP_DSS_OUTPUT_HDMI	= 1 << 6,
190 };
191 
192 /* RFBI */
193 
194 struct rfbi_timings {
195 	int cs_on_time;
196 	int cs_off_time;
197 	int we_on_time;
198 	int we_off_time;
199 	int re_on_time;
200 	int re_off_time;
201 	int we_cycle_time;
202 	int re_cycle_time;
203 	int cs_pulse_width;
204 	int access_time;
205 
206 	int clk_div;
207 
208 	u32 tim[5];             /* set by rfbi_convert_timings() */
209 
210 	int converted;
211 };
212 
213 /* DSI */
214 
215 enum omap_dss_dsi_trans_mode {
216 	/* Sync Pulses: both sync start and end packets sent */
217 	OMAP_DSS_DSI_PULSE_MODE,
218 	/* Sync Events: only sync start packets sent */
219 	OMAP_DSS_DSI_EVENT_MODE,
220 	/* Burst: only sync start packets sent, pixels are time compressed */
221 	OMAP_DSS_DSI_BURST_MODE,
222 };
223 
224 struct omap_dss_dsi_videomode_timings {
225 	unsigned long hsclk;
226 
227 	unsigned ndl;
228 	unsigned bitspp;
229 
230 	/* pixels */
231 	u16 hact;
232 	/* lines */
233 	u16 vact;
234 
235 	/* DSI video mode blanking data */
236 	/* Unit: byte clock cycles */
237 	u16 hss;
238 	u16 hsa;
239 	u16 hse;
240 	u16 hfp;
241 	u16 hbp;
242 	/* Unit: line clocks */
243 	u16 vsa;
244 	u16 vfp;
245 	u16 vbp;
246 
247 	/* DSI blanking modes */
248 	int blanking_mode;
249 	int hsa_blanking_mode;
250 	int hbp_blanking_mode;
251 	int hfp_blanking_mode;
252 
253 	enum omap_dss_dsi_trans_mode trans_mode;
254 
255 	bool ddr_clk_always_on;
256 	int window_sync;
257 };
258 
259 struct omap_dss_dsi_config {
260 	enum omap_dss_dsi_mode mode;
261 	enum omap_dss_dsi_pixel_format pixel_format;
262 	const struct omap_video_timings *timings;
263 
264 	unsigned long hs_clk_min, hs_clk_max;
265 	unsigned long lp_clk_min, lp_clk_max;
266 
267 	bool ddr_clk_always_on;
268 	enum omap_dss_dsi_trans_mode trans_mode;
269 };
270 
271 struct omap_video_timings {
272 	/* Unit: pixels */
273 	u16 x_res;
274 	/* Unit: pixels */
275 	u16 y_res;
276 	/* Unit: Hz */
277 	u32 pixelclock;
278 	/* Unit: pixel clocks */
279 	u16 hsw;	/* Horizontal synchronization pulse width */
280 	/* Unit: pixel clocks */
281 	u16 hfp;	/* Horizontal front porch */
282 	/* Unit: pixel clocks */
283 	u16 hbp;	/* Horizontal back porch */
284 	/* Unit: line clocks */
285 	u16 vsw;	/* Vertical synchronization pulse width */
286 	/* Unit: line clocks */
287 	u16 vfp;	/* Vertical front porch */
288 	/* Unit: line clocks */
289 	u16 vbp;	/* Vertical back porch */
290 
291 	/* Vsync logic level */
292 	enum omap_dss_signal_level vsync_level;
293 	/* Hsync logic level */
294 	enum omap_dss_signal_level hsync_level;
295 	/* Interlaced or Progressive timings */
296 	bool interlace;
297 	/* Pixel clock edge to drive LCD data */
298 	enum omap_dss_signal_edge data_pclk_edge;
299 	/* Data enable logic level */
300 	enum omap_dss_signal_level de_level;
301 	/* Pixel clock edges to drive HSYNC and VSYNC signals */
302 	enum omap_dss_signal_edge sync_pclk_edge;
303 
304 	bool double_pixel;
305 };
306 
307 /* Hardcoded timings for tv modes. Venc only uses these to
308  * identify the mode, and does not actually use the configs
309  * itself. However, the configs should be something that
310  * a normal monitor can also show */
311 extern const struct omap_video_timings omap_dss_pal_timings;
312 extern const struct omap_video_timings omap_dss_ntsc_timings;
313 
314 struct omap_dss_cpr_coefs {
315 	s16 rr, rg, rb;
316 	s16 gr, gg, gb;
317 	s16 br, bg, bb;
318 };
319 
320 struct omap_overlay_info {
321 	dma_addr_t paddr;
322 	dma_addr_t p_uv_addr;  /* for NV12 format */
323 	u16 screen_width;
324 	u16 width;
325 	u16 height;
326 	enum omap_color_mode color_mode;
327 	u8 rotation;
328 	enum omap_dss_rotation_type rotation_type;
329 	bool mirror;
330 
331 	u16 pos_x;
332 	u16 pos_y;
333 	u16 out_width;	/* if 0, out_width == width */
334 	u16 out_height;	/* if 0, out_height == height */
335 	u8 global_alpha;
336 	u8 pre_mult_alpha;
337 	u8 zorder;
338 };
339 
340 struct omap_overlay {
341 	struct kobject kobj;
342 	struct list_head list;
343 
344 	/* static fields */
345 	const char *name;
346 	enum omap_plane id;
347 	enum omap_color_mode supported_modes;
348 	enum omap_overlay_caps caps;
349 
350 	/* dynamic fields */
351 	struct omap_overlay_manager *manager;
352 
353 	/*
354 	 * The following functions do not block:
355 	 *
356 	 * is_enabled
357 	 * set_overlay_info
358 	 * get_overlay_info
359 	 *
360 	 * The rest of the functions may block and cannot be called from
361 	 * interrupt context
362 	 */
363 
364 	int (*enable)(struct omap_overlay *ovl);
365 	int (*disable)(struct omap_overlay *ovl);
366 	bool (*is_enabled)(struct omap_overlay *ovl);
367 
368 	int (*set_manager)(struct omap_overlay *ovl,
369 		struct omap_overlay_manager *mgr);
370 	int (*unset_manager)(struct omap_overlay *ovl);
371 
372 	int (*set_overlay_info)(struct omap_overlay *ovl,
373 			struct omap_overlay_info *info);
374 	void (*get_overlay_info)(struct omap_overlay *ovl,
375 			struct omap_overlay_info *info);
376 
377 	int (*wait_for_go)(struct omap_overlay *ovl);
378 
379 	struct omap_dss_device *(*get_device)(struct omap_overlay *ovl);
380 };
381 
382 struct omap_overlay_manager_info {
383 	u32 default_color;
384 
385 	enum omap_dss_trans_key_type trans_key_type;
386 	u32 trans_key;
387 	bool trans_enabled;
388 
389 	bool partial_alpha_enabled;
390 
391 	bool cpr_enable;
392 	struct omap_dss_cpr_coefs cpr_coefs;
393 };
394 
395 struct omap_overlay_manager {
396 	struct kobject kobj;
397 
398 	/* static fields */
399 	const char *name;
400 	enum omap_channel id;
401 	struct list_head overlays;
402 	enum omap_display_type supported_displays;
403 	enum omap_dss_output_id supported_outputs;
404 
405 	/* dynamic fields */
406 	struct omap_dss_device *output;
407 
408 	/*
409 	 * The following functions do not block:
410 	 *
411 	 * set_manager_info
412 	 * get_manager_info
413 	 * apply
414 	 *
415 	 * The rest of the functions may block and cannot be called from
416 	 * interrupt context
417 	 */
418 
419 	int (*set_output)(struct omap_overlay_manager *mgr,
420 		struct omap_dss_device *output);
421 	int (*unset_output)(struct omap_overlay_manager *mgr);
422 
423 	int (*set_manager_info)(struct omap_overlay_manager *mgr,
424 			struct omap_overlay_manager_info *info);
425 	void (*get_manager_info)(struct omap_overlay_manager *mgr,
426 			struct omap_overlay_manager_info *info);
427 
428 	int (*apply)(struct omap_overlay_manager *mgr);
429 	int (*wait_for_go)(struct omap_overlay_manager *mgr);
430 	int (*wait_for_vsync)(struct omap_overlay_manager *mgr);
431 
432 	struct omap_dss_device *(*get_device)(struct omap_overlay_manager *mgr);
433 };
434 
435 /* 22 pins means 1 clk lane and 10 data lanes */
436 #define OMAP_DSS_MAX_DSI_PINS 22
437 
438 struct omap_dsi_pin_config {
439 	int num_pins;
440 	/*
441 	 * pin numbers in the following order:
442 	 * clk+, clk-
443 	 * data1+, data1-
444 	 * data2+, data2-
445 	 * ...
446 	 */
447 	int pins[OMAP_DSS_MAX_DSI_PINS];
448 };
449 
450 struct omap_dss_writeback_info {
451 	u32 paddr;
452 	u32 p_uv_addr;
453 	u16 buf_width;
454 	u16 width;
455 	u16 height;
456 	enum omap_color_mode color_mode;
457 	u8 rotation;
458 	enum omap_dss_rotation_type rotation_type;
459 	bool mirror;
460 	u8 pre_mult_alpha;
461 };
462 
463 struct omapdss_dpi_ops {
464 	int (*connect)(struct omap_dss_device *dssdev,
465 			struct omap_dss_device *dst);
466 	void (*disconnect)(struct omap_dss_device *dssdev,
467 			struct omap_dss_device *dst);
468 
469 	int (*enable)(struct omap_dss_device *dssdev);
470 	void (*disable)(struct omap_dss_device *dssdev);
471 
472 	int (*check_timings)(struct omap_dss_device *dssdev,
473 			struct omap_video_timings *timings);
474 	void (*set_timings)(struct omap_dss_device *dssdev,
475 			struct omap_video_timings *timings);
476 	void (*get_timings)(struct omap_dss_device *dssdev,
477 			struct omap_video_timings *timings);
478 
479 	void (*set_data_lines)(struct omap_dss_device *dssdev, int data_lines);
480 };
481 
482 struct omapdss_sdi_ops {
483 	int (*connect)(struct omap_dss_device *dssdev,
484 			struct omap_dss_device *dst);
485 	void (*disconnect)(struct omap_dss_device *dssdev,
486 			struct omap_dss_device *dst);
487 
488 	int (*enable)(struct omap_dss_device *dssdev);
489 	void (*disable)(struct omap_dss_device *dssdev);
490 
491 	int (*check_timings)(struct omap_dss_device *dssdev,
492 			struct omap_video_timings *timings);
493 	void (*set_timings)(struct omap_dss_device *dssdev,
494 			struct omap_video_timings *timings);
495 	void (*get_timings)(struct omap_dss_device *dssdev,
496 			struct omap_video_timings *timings);
497 
498 	void (*set_datapairs)(struct omap_dss_device *dssdev, int datapairs);
499 };
500 
501 struct omapdss_dvi_ops {
502 	int (*connect)(struct omap_dss_device *dssdev,
503 			struct omap_dss_device *dst);
504 	void (*disconnect)(struct omap_dss_device *dssdev,
505 			struct omap_dss_device *dst);
506 
507 	int (*enable)(struct omap_dss_device *dssdev);
508 	void (*disable)(struct omap_dss_device *dssdev);
509 
510 	int (*check_timings)(struct omap_dss_device *dssdev,
511 			struct omap_video_timings *timings);
512 	void (*set_timings)(struct omap_dss_device *dssdev,
513 			struct omap_video_timings *timings);
514 	void (*get_timings)(struct omap_dss_device *dssdev,
515 			struct omap_video_timings *timings);
516 };
517 
518 struct omapdss_atv_ops {
519 	int (*connect)(struct omap_dss_device *dssdev,
520 			struct omap_dss_device *dst);
521 	void (*disconnect)(struct omap_dss_device *dssdev,
522 			struct omap_dss_device *dst);
523 
524 	int (*enable)(struct omap_dss_device *dssdev);
525 	void (*disable)(struct omap_dss_device *dssdev);
526 
527 	int (*check_timings)(struct omap_dss_device *dssdev,
528 			struct omap_video_timings *timings);
529 	void (*set_timings)(struct omap_dss_device *dssdev,
530 			struct omap_video_timings *timings);
531 	void (*get_timings)(struct omap_dss_device *dssdev,
532 			struct omap_video_timings *timings);
533 
534 	void (*set_type)(struct omap_dss_device *dssdev,
535 		enum omap_dss_venc_type type);
536 	void (*invert_vid_out_polarity)(struct omap_dss_device *dssdev,
537 		bool invert_polarity);
538 
539 	int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
540 	u32 (*get_wss)(struct omap_dss_device *dssdev);
541 };
542 
543 struct omapdss_hdmi_ops {
544 	int (*connect)(struct omap_dss_device *dssdev,
545 			struct omap_dss_device *dst);
546 	void (*disconnect)(struct omap_dss_device *dssdev,
547 			struct omap_dss_device *dst);
548 
549 	int (*enable)(struct omap_dss_device *dssdev);
550 	void (*disable)(struct omap_dss_device *dssdev);
551 
552 	int (*check_timings)(struct omap_dss_device *dssdev,
553 			struct omap_video_timings *timings);
554 	void (*set_timings)(struct omap_dss_device *dssdev,
555 			struct omap_video_timings *timings);
556 	void (*get_timings)(struct omap_dss_device *dssdev,
557 			struct omap_video_timings *timings);
558 
559 	int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len);
560 	bool (*detect)(struct omap_dss_device *dssdev);
561 
562 	int (*set_hdmi_mode)(struct omap_dss_device *dssdev, bool hdmi_mode);
563 	int (*set_infoframe)(struct omap_dss_device *dssdev,
564 		const struct hdmi_avi_infoframe *avi);
565 };
566 
567 struct omapdss_dsi_ops {
568 	int (*connect)(struct omap_dss_device *dssdev,
569 			struct omap_dss_device *dst);
570 	void (*disconnect)(struct omap_dss_device *dssdev,
571 			struct omap_dss_device *dst);
572 
573 	int (*enable)(struct omap_dss_device *dssdev);
574 	void (*disable)(struct omap_dss_device *dssdev, bool disconnect_lanes,
575 			bool enter_ulps);
576 
577 	/* bus configuration */
578 	int (*set_config)(struct omap_dss_device *dssdev,
579 			const struct omap_dss_dsi_config *cfg);
580 	int (*configure_pins)(struct omap_dss_device *dssdev,
581 			const struct omap_dsi_pin_config *pin_cfg);
582 
583 	void (*enable_hs)(struct omap_dss_device *dssdev, int channel,
584 			bool enable);
585 	int (*enable_te)(struct omap_dss_device *dssdev, bool enable);
586 
587 	int (*update)(struct omap_dss_device *dssdev, int channel,
588 			void (*callback)(int, void *), void *data);
589 
590 	void (*bus_lock)(struct omap_dss_device *dssdev);
591 	void (*bus_unlock)(struct omap_dss_device *dssdev);
592 
593 	int (*enable_video_output)(struct omap_dss_device *dssdev, int channel);
594 	void (*disable_video_output)(struct omap_dss_device *dssdev,
595 			int channel);
596 
597 	int (*request_vc)(struct omap_dss_device *dssdev, int *channel);
598 	int (*set_vc_id)(struct omap_dss_device *dssdev, int channel,
599 			int vc_id);
600 	void (*release_vc)(struct omap_dss_device *dssdev, int channel);
601 
602 	/* data transfer */
603 	int (*dcs_write)(struct omap_dss_device *dssdev, int channel,
604 			u8 *data, int len);
605 	int (*dcs_write_nosync)(struct omap_dss_device *dssdev, int channel,
606 			u8 *data, int len);
607 	int (*dcs_read)(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
608 			u8 *data, int len);
609 
610 	int (*gen_write)(struct omap_dss_device *dssdev, int channel,
611 			u8 *data, int len);
612 	int (*gen_write_nosync)(struct omap_dss_device *dssdev, int channel,
613 			u8 *data, int len);
614 	int (*gen_read)(struct omap_dss_device *dssdev, int channel,
615 			u8 *reqdata, int reqlen,
616 			u8 *data, int len);
617 
618 	int (*bta_sync)(struct omap_dss_device *dssdev, int channel);
619 
620 	int (*set_max_rx_packet_size)(struct omap_dss_device *dssdev,
621 			int channel, u16 plen);
622 };
623 
624 struct omap_dss_device {
625 	struct kobject kobj;
626 	struct device *dev;
627 
628 	struct module *owner;
629 
630 	struct list_head panel_list;
631 
632 	/* alias in the form of "display%d" */
633 	char alias[16];
634 
635 	enum omap_display_type type;
636 	enum omap_display_type output_type;
637 
638 	union {
639 		struct {
640 			u8 data_lines;
641 		} dpi;
642 
643 		struct {
644 			u8 channel;
645 			u8 data_lines;
646 		} rfbi;
647 
648 		struct {
649 			u8 datapairs;
650 		} sdi;
651 
652 		struct {
653 			int module;
654 		} dsi;
655 
656 		struct {
657 			enum omap_dss_venc_type type;
658 			bool invert_polarity;
659 		} venc;
660 	} phy;
661 
662 	struct {
663 		struct omap_video_timings timings;
664 
665 		enum omap_dss_dsi_pixel_format dsi_pix_fmt;
666 		enum omap_dss_dsi_mode dsi_mode;
667 	} panel;
668 
669 	struct {
670 		u8 pixel_size;
671 		struct rfbi_timings rfbi_timings;
672 	} ctrl;
673 
674 	const char *name;
675 
676 	/* used to match device to driver */
677 	const char *driver_name;
678 
679 	void *data;
680 
681 	struct omap_dss_driver *driver;
682 
683 	union {
684 		const struct omapdss_dpi_ops *dpi;
685 		const struct omapdss_sdi_ops *sdi;
686 		const struct omapdss_dvi_ops *dvi;
687 		const struct omapdss_hdmi_ops *hdmi;
688 		const struct omapdss_atv_ops *atv;
689 		const struct omapdss_dsi_ops *dsi;
690 	} ops;
691 
692 	/* helper variable for driver suspend/resume */
693 	bool activate_after_resume;
694 
695 	enum omap_display_caps caps;
696 
697 	struct omap_dss_device *src;
698 
699 	enum omap_dss_display_state state;
700 
701 	/* OMAP DSS output specific fields */
702 
703 	struct list_head list;
704 
705 	/* DISPC channel for this output */
706 	enum omap_channel dispc_channel;
707 	bool dispc_channel_connected;
708 
709 	/* output instance */
710 	enum omap_dss_output_id id;
711 
712 	/* the port number in the DT node */
713 	int port_num;
714 
715 	/* dynamic fields */
716 	struct omap_overlay_manager *manager;
717 
718 	struct omap_dss_device *dst;
719 };
720 
721 struct omap_dss_driver {
722 	int (*probe)(struct omap_dss_device *);
723 	void (*remove)(struct omap_dss_device *);
724 
725 	int (*connect)(struct omap_dss_device *dssdev);
726 	void (*disconnect)(struct omap_dss_device *dssdev);
727 
728 	int (*enable)(struct omap_dss_device *display);
729 	void (*disable)(struct omap_dss_device *display);
730 	int (*run_test)(struct omap_dss_device *display, int test);
731 
732 	int (*update)(struct omap_dss_device *dssdev,
733 			       u16 x, u16 y, u16 w, u16 h);
734 	int (*sync)(struct omap_dss_device *dssdev);
735 
736 	int (*enable_te)(struct omap_dss_device *dssdev, bool enable);
737 	int (*get_te)(struct omap_dss_device *dssdev);
738 
739 	u8 (*get_rotate)(struct omap_dss_device *dssdev);
740 	int (*set_rotate)(struct omap_dss_device *dssdev, u8 rotate);
741 
742 	bool (*get_mirror)(struct omap_dss_device *dssdev);
743 	int (*set_mirror)(struct omap_dss_device *dssdev, bool enable);
744 
745 	int (*memory_read)(struct omap_dss_device *dssdev,
746 			void *buf, size_t size,
747 			u16 x, u16 y, u16 w, u16 h);
748 
749 	void (*get_resolution)(struct omap_dss_device *dssdev,
750 			u16 *xres, u16 *yres);
751 	void (*get_dimensions)(struct omap_dss_device *dssdev,
752 			u32 *width, u32 *height);
753 	int (*get_recommended_bpp)(struct omap_dss_device *dssdev);
754 
755 	int (*check_timings)(struct omap_dss_device *dssdev,
756 			struct omap_video_timings *timings);
757 	void (*set_timings)(struct omap_dss_device *dssdev,
758 			struct omap_video_timings *timings);
759 	void (*get_timings)(struct omap_dss_device *dssdev,
760 			struct omap_video_timings *timings);
761 
762 	int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
763 	u32 (*get_wss)(struct omap_dss_device *dssdev);
764 
765 	int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len);
766 	bool (*detect)(struct omap_dss_device *dssdev);
767 
768 	int (*set_hdmi_mode)(struct omap_dss_device *dssdev, bool hdmi_mode);
769 	int (*set_hdmi_infoframe)(struct omap_dss_device *dssdev,
770 		const struct hdmi_avi_infoframe *avi);
771 };
772 
773 #define for_each_dss_dev(d) while ((d = omap_dss_get_next_device(d)) != NULL)
774 
775 typedef void (*omap_dispc_isr_t) (void *arg, u32 mask);
776 
777 #if IS_ENABLED(CONFIG_FB_OMAP2)
778 
779 enum omapdss_version omapdss_get_version(void);
780 bool omapdss_is_initialized(void);
781 
782 int omap_dss_register_driver(struct omap_dss_driver *);
783 void omap_dss_unregister_driver(struct omap_dss_driver *);
784 
785 int omapdss_register_display(struct omap_dss_device *dssdev);
786 void omapdss_unregister_display(struct omap_dss_device *dssdev);
787 
788 struct omap_dss_device *omap_dss_get_device(struct omap_dss_device *dssdev);
789 void omap_dss_put_device(struct omap_dss_device *dssdev);
790 struct omap_dss_device *omap_dss_get_next_device(struct omap_dss_device *from);
791 struct omap_dss_device *omap_dss_find_device(void *data,
792 		int (*match)(struct omap_dss_device *dssdev, void *data));
793 const char *omapdss_get_default_display_name(void);
794 
795 void videomode_to_omap_video_timings(const struct videomode *vm,
796 		struct omap_video_timings *ovt);
797 void omap_video_timings_to_videomode(const struct omap_video_timings *ovt,
798 		struct videomode *vm);
799 
800 int dss_feat_get_num_mgrs(void);
801 int dss_feat_get_num_ovls(void);
802 enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane);
803 
804 
805 
806 int omap_dss_get_num_overlay_managers(void);
807 struct omap_overlay_manager *omap_dss_get_overlay_manager(int num);
808 
809 int omap_dss_get_num_overlays(void);
810 struct omap_overlay *omap_dss_get_overlay(int num);
811 
812 int omapdss_register_output(struct omap_dss_device *output);
813 void omapdss_unregister_output(struct omap_dss_device *output);
814 struct omap_dss_device *omap_dss_get_output(enum omap_dss_output_id id);
815 struct omap_dss_device *omap_dss_find_output(const char *name);
816 struct omap_dss_device *omap_dss_find_output_by_port_node(struct device_node *port);
817 int omapdss_output_set_device(struct omap_dss_device *out,
818 		struct omap_dss_device *dssdev);
819 int omapdss_output_unset_device(struct omap_dss_device *out);
820 
821 struct omap_dss_device *omapdss_find_output_from_display(struct omap_dss_device *dssdev);
822 struct omap_overlay_manager *omapdss_find_mgr_from_display(struct omap_dss_device *dssdev);
823 
824 void omapdss_default_get_resolution(struct omap_dss_device *dssdev,
825 		u16 *xres, u16 *yres);
826 int omapdss_default_get_recommended_bpp(struct omap_dss_device *dssdev);
827 void omapdss_default_get_timings(struct omap_dss_device *dssdev,
828 		struct omap_video_timings *timings);
829 
830 int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask);
831 int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask);
832 
833 int omapdss_compat_init(void);
834 void omapdss_compat_uninit(void);
835 
836 static inline bool omapdss_device_is_connected(struct omap_dss_device *dssdev)
837 {
838 	return dssdev->src;
839 }
840 
841 static inline bool omapdss_device_is_enabled(struct omap_dss_device *dssdev)
842 {
843 	return dssdev->state == OMAP_DSS_DISPLAY_ACTIVE;
844 }
845 
846 struct device_node *
847 omapdss_of_get_next_port(const struct device_node *parent,
848 			 struct device_node *prev);
849 
850 struct device_node *
851 omapdss_of_get_next_endpoint(const struct device_node *parent,
852 			     struct device_node *prev);
853 
854 struct device_node *
855 omapdss_of_get_first_endpoint(const struct device_node *parent);
856 
857 struct omap_dss_device *
858 omapdss_of_find_source_for_first_ep(struct device_node *node);
859 #else
860 
861 static inline enum omapdss_version omapdss_get_version(void)
862 { return OMAPDSS_VER_UNKNOWN; };
863 
864 static inline bool omapdss_is_initialized(void)
865 { return false; };
866 
867 static inline int omap_dispc_register_isr(omap_dispc_isr_t isr,
868 					  void *arg, u32 mask)
869 { return 0; };
870 
871 static inline int omap_dispc_unregister_isr(omap_dispc_isr_t isr,
872 					    void *arg, u32 mask)
873 { return 0; };
874 
875 static inline struct omap_dss_device
876 *omap_dss_get_device(struct omap_dss_device *dssdev)
877 { return NULL; };
878 
879 static inline struct omap_dss_device
880 *omap_dss_get_next_device(struct omap_dss_device *from)
881 {return NULL; };
882 
883 static inline void omap_dss_put_device(struct omap_dss_device *dssdev) {};
884 
885 static inline int omapdss_compat_init(void)
886 { return 0; };
887 
888 static inline void omapdss_compat_uninit(void) {};
889 
890 static inline int omap_dss_get_num_overlay_managers(void)
891 { return 0; };
892 
893 static inline struct omap_overlay_manager *omap_dss_get_overlay_manager(int num)
894 { return NULL; };
895 
896 static inline int omap_dss_get_num_overlays(void)
897 { return 0; };
898 
899 static inline struct omap_overlay *omap_dss_get_overlay(int num)
900 { return NULL; };
901 
902 
903 #endif /* FB_OMAP2 */
904 
905 
906 #endif /* __OMAPFB_DSS_H */
907