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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_dss_signal_level {
118 	OMAPDSS_SIG_ACTIVE_LOW,
119 	OMAPDSS_SIG_ACTIVE_HIGH,
120 };
121 
122 enum omap_dss_signal_edge {
123 	OMAPDSS_DRIVE_SIG_FALLING_EDGE,
124 	OMAPDSS_DRIVE_SIG_RISING_EDGE,
125 };
126 
127 enum omap_dss_venc_type {
128 	OMAP_DSS_VENC_TYPE_COMPOSITE,
129 	OMAP_DSS_VENC_TYPE_SVIDEO,
130 };
131 
132 enum 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 
139 enum omap_dss_dsi_mode {
140 	OMAP_DSS_DSI_CMD_MODE = 0,
141 	OMAP_DSS_DSI_VIDEO_MODE,
142 };
143 
144 enum omap_display_caps {
145 	OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE	= 1 << 0,
146 	OMAP_DSS_DISPLAY_CAP_TEAR_ELIM		= 1 << 1,
147 };
148 
149 enum omap_dss_display_state {
150 	OMAP_DSS_DISPLAY_DISABLED = 0,
151 	OMAP_DSS_DISPLAY_ACTIVE,
152 };
153 
154 enum 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 */
161 enum 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 
168 enum 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 
177 enum 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 
189 enum 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 
198 struct 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 
233 struct 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 
245 struct 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 */
285 extern const struct omap_video_timings omap_dss_pal_timings;
286 extern const struct omap_video_timings omap_dss_ntsc_timings;
287 
288 struct omap_dss_cpr_coefs {
289 	s16 rr, rg, rb;
290 	s16 gr, gg, gb;
291 	s16 br, bg, bb;
292 };
293 
294 struct 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 
314 struct 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 
356 struct 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 
369 struct 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 
412 struct 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 
424 struct 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 
437 struct 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 
456 struct 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 
475 struct 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 
492 struct 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 
517 struct 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 
541 struct 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 
598 struct 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 
689 struct 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 
743 typedef void (*omap_dispc_isr_t) (void *arg, u32 mask);
744 
745 #if IS_ENABLED(CONFIG_FB_OMAP2)
746 
747 enum omapdss_version omapdss_get_version(void);
748 bool omapdss_is_initialized(void);
749 
750 int omap_dss_register_driver(struct omap_dss_driver *);
751 void omap_dss_unregister_driver(struct omap_dss_driver *);
752 
753 int omapdss_register_display(struct omap_dss_device *dssdev);
754 void omapdss_unregister_display(struct omap_dss_device *dssdev);
755 
756 struct omap_dss_device *omap_dss_get_device(struct omap_dss_device *dssdev);
757 void omap_dss_put_device(struct omap_dss_device *dssdev);
758 struct omap_dss_device *omap_dss_get_next_device(struct omap_dss_device *from);
759 struct omap_dss_device *omap_dss_find_device(void *data,
760 		int (*match)(struct omap_dss_device *dssdev, void *data));
761 const char *omapdss_get_default_display_name(void);
762 
763 void videomode_to_omap_video_timings(const struct videomode *vm,
764 		struct omap_video_timings *ovt);
765 void omap_video_timings_to_videomode(const struct omap_video_timings *ovt,
766 		struct videomode *vm);
767 
768 int dss_feat_get_num_mgrs(void);
769 int dss_feat_get_num_ovls(void);
770 enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane);
771 
772 
773 
774 int omap_dss_get_num_overlay_managers(void);
775 struct omap_overlay_manager *omap_dss_get_overlay_manager(int num);
776 
777 int omap_dss_get_num_overlays(void);
778 struct omap_overlay *omap_dss_get_overlay(int num);
779 
780 int omapdss_register_output(struct omap_dss_device *output);
781 void omapdss_unregister_output(struct omap_dss_device *output);
782 struct omap_dss_device *omap_dss_get_output(enum omap_dss_output_id id);
783 struct omap_dss_device *omap_dss_find_output(const char *name);
784 struct omap_dss_device *omap_dss_find_output_by_port_node(struct device_node *port);
785 int omapdss_output_set_device(struct omap_dss_device *out,
786 		struct omap_dss_device *dssdev);
787 int omapdss_output_unset_device(struct omap_dss_device *out);
788 
789 struct omap_dss_device *omapdss_find_output_from_display(struct omap_dss_device *dssdev);
790 struct omap_overlay_manager *omapdss_find_mgr_from_display(struct omap_dss_device *dssdev);
791 
792 void omapdss_default_get_resolution(struct omap_dss_device *dssdev,
793 		u16 *xres, u16 *yres);
794 int omapdss_default_get_recommended_bpp(struct omap_dss_device *dssdev);
795 void omapdss_default_get_timings(struct omap_dss_device *dssdev,
796 		struct omap_video_timings *timings);
797 
798 int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask);
799 int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask);
800 
801 int omapdss_compat_init(void);
802 void omapdss_compat_uninit(void);
803 
omapdss_device_is_connected(struct omap_dss_device * dssdev)804 static inline bool omapdss_device_is_connected(struct omap_dss_device *dssdev)
805 {
806 	return dssdev->src;
807 }
808 
omapdss_device_is_enabled(struct omap_dss_device * dssdev)809 static inline bool omapdss_device_is_enabled(struct omap_dss_device *dssdev)
810 {
811 	return dssdev->state == OMAP_DSS_DISPLAY_ACTIVE;
812 }
813 
814 struct device_node *
815 omapdss_of_get_next_port(const struct device_node *parent,
816 			 struct device_node *prev);
817 
818 struct device_node *
819 omapdss_of_get_next_endpoint(const struct device_node *parent,
820 			     struct device_node *prev);
821 
822 struct device_node *
823 omapdss_of_get_first_endpoint(const struct device_node *parent);
824 
825 struct omap_dss_device *
826 omapdss_of_find_source_for_first_ep(struct device_node *node);
827 #else
828 
omapdss_get_version(void)829 static inline enum omapdss_version omapdss_get_version(void)
830 { return OMAPDSS_VER_UNKNOWN; };
831 
omapdss_is_initialized(void)832 static inline bool omapdss_is_initialized(void)
833 { return false; };
834 
omap_dispc_register_isr(omap_dispc_isr_t isr,void * arg,u32 mask)835 static inline int omap_dispc_register_isr(omap_dispc_isr_t isr,
836 					  void *arg, u32 mask)
837 { return 0; };
838 
omap_dispc_unregister_isr(omap_dispc_isr_t isr,void * arg,u32 mask)839 static inline int omap_dispc_unregister_isr(omap_dispc_isr_t isr,
840 					    void *arg, u32 mask)
841 { return 0; };
842 
843 static inline struct omap_dss_device
omap_dss_get_device(struct omap_dss_device * dssdev)844 *omap_dss_get_device(struct omap_dss_device *dssdev)
845 { return NULL; };
846 
847 static inline struct omap_dss_device
omap_dss_get_next_device(struct omap_dss_device * from)848 *omap_dss_get_next_device(struct omap_dss_device *from)
849 {return NULL; };
850 
omap_dss_put_device(struct omap_dss_device * dssdev)851 static inline void omap_dss_put_device(struct omap_dss_device *dssdev) {};
852 
omapdss_compat_init(void)853 static inline int omapdss_compat_init(void)
854 { return 0; };
855 
omapdss_compat_uninit(void)856 static inline void omapdss_compat_uninit(void) {};
857 
omap_dss_get_num_overlay_managers(void)858 static inline int omap_dss_get_num_overlay_managers(void)
859 { return 0; };
860 
omap_dss_get_overlay_manager(int num)861 static inline struct omap_overlay_manager *omap_dss_get_overlay_manager(int num)
862 { return NULL; };
863 
omap_dss_get_num_overlays(void)864 static inline int omap_dss_get_num_overlays(void)
865 { return 0; };
866 
omap_dss_get_overlay(int num)867 static inline struct omap_overlay *omap_dss_get_overlay(int num)
868 { return NULL; };
869 
870 
871 #endif /* FB_OMAP2 */
872 
873 
874 #endif /* __OMAPFB_DSS_H */
875