xref: /linux/drivers/gpu/drm/omapdrm/dss/omapdss.h (revision fcc8487d477a3452a1d0ccbdd4c5e0e1e3cb8bed)
1 /*
2  * Copyright (C) 2016 Texas Instruments
3  * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 as published by
7  * the Free Software Foundation.
8  *
9  * This program is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
12  * more details.
13  *
14  * You should have received a copy of the GNU General Public License along with
15  * this program.  If not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #ifndef __OMAP_DRM_DSS_H
19 #define __OMAP_DRM_DSS_H
20 
21 #include <linux/list.h>
22 #include <linux/kobject.h>
23 #include <linux/device.h>
24 #include <linux/interrupt.h>
25 #include <video/videomode.h>
26 #include <linux/platform_data/omapdss.h>
27 #include <uapi/drm/drm_mode.h>
28 
29 #define DISPC_IRQ_FRAMEDONE		(1 << 0)
30 #define DISPC_IRQ_VSYNC			(1 << 1)
31 #define DISPC_IRQ_EVSYNC_EVEN		(1 << 2)
32 #define DISPC_IRQ_EVSYNC_ODD		(1 << 3)
33 #define DISPC_IRQ_ACBIAS_COUNT_STAT	(1 << 4)
34 #define DISPC_IRQ_PROG_LINE_NUM		(1 << 5)
35 #define DISPC_IRQ_GFX_FIFO_UNDERFLOW	(1 << 6)
36 #define DISPC_IRQ_GFX_END_WIN		(1 << 7)
37 #define DISPC_IRQ_PAL_GAMMA_MASK	(1 << 8)
38 #define DISPC_IRQ_OCP_ERR		(1 << 9)
39 #define DISPC_IRQ_VID1_FIFO_UNDERFLOW	(1 << 10)
40 #define DISPC_IRQ_VID1_END_WIN		(1 << 11)
41 #define DISPC_IRQ_VID2_FIFO_UNDERFLOW	(1 << 12)
42 #define DISPC_IRQ_VID2_END_WIN		(1 << 13)
43 #define DISPC_IRQ_SYNC_LOST		(1 << 14)
44 #define DISPC_IRQ_SYNC_LOST_DIGIT	(1 << 15)
45 #define DISPC_IRQ_WAKEUP		(1 << 16)
46 #define DISPC_IRQ_SYNC_LOST2		(1 << 17)
47 #define DISPC_IRQ_VSYNC2		(1 << 18)
48 #define DISPC_IRQ_VID3_END_WIN		(1 << 19)
49 #define DISPC_IRQ_VID3_FIFO_UNDERFLOW	(1 << 20)
50 #define DISPC_IRQ_ACBIAS_COUNT_STAT2	(1 << 21)
51 #define DISPC_IRQ_FRAMEDONE2		(1 << 22)
52 #define DISPC_IRQ_FRAMEDONEWB		(1 << 23)
53 #define DISPC_IRQ_FRAMEDONETV		(1 << 24)
54 #define DISPC_IRQ_WBBUFFEROVERFLOW	(1 << 25)
55 #define DISPC_IRQ_WBUNCOMPLETEERROR	(1 << 26)
56 #define DISPC_IRQ_SYNC_LOST3		(1 << 27)
57 #define DISPC_IRQ_VSYNC3		(1 << 28)
58 #define DISPC_IRQ_ACBIAS_COUNT_STAT3	(1 << 29)
59 #define DISPC_IRQ_FRAMEDONE3		(1 << 30)
60 
61 struct omap_dss_device;
62 struct omap_overlay_manager;
63 struct dss_lcd_mgr_config;
64 struct snd_aes_iec958;
65 struct snd_cea_861_aud_if;
66 struct hdmi_avi_infoframe;
67 
68 enum omap_display_type {
69 	OMAP_DISPLAY_TYPE_NONE		= 0,
70 	OMAP_DISPLAY_TYPE_DPI		= 1 << 0,
71 	OMAP_DISPLAY_TYPE_DBI		= 1 << 1,
72 	OMAP_DISPLAY_TYPE_SDI		= 1 << 2,
73 	OMAP_DISPLAY_TYPE_DSI		= 1 << 3,
74 	OMAP_DISPLAY_TYPE_VENC		= 1 << 4,
75 	OMAP_DISPLAY_TYPE_HDMI		= 1 << 5,
76 	OMAP_DISPLAY_TYPE_DVI		= 1 << 6,
77 };
78 
79 enum omap_plane_id {
80 	OMAP_DSS_GFX	= 0,
81 	OMAP_DSS_VIDEO1	= 1,
82 	OMAP_DSS_VIDEO2	= 2,
83 	OMAP_DSS_VIDEO3	= 3,
84 	OMAP_DSS_WB	= 4,
85 };
86 
87 enum omap_channel {
88 	OMAP_DSS_CHANNEL_LCD	= 0,
89 	OMAP_DSS_CHANNEL_DIGIT	= 1,
90 	OMAP_DSS_CHANNEL_LCD2	= 2,
91 	OMAP_DSS_CHANNEL_LCD3	= 3,
92 	OMAP_DSS_CHANNEL_WB	= 4,
93 };
94 
95 enum omap_color_mode {
96 	OMAP_DSS_COLOR_CLUT1	= 1 << 0,  /* BITMAP 1 */
97 	OMAP_DSS_COLOR_CLUT2	= 1 << 1,  /* BITMAP 2 */
98 	OMAP_DSS_COLOR_CLUT4	= 1 << 2,  /* BITMAP 4 */
99 	OMAP_DSS_COLOR_CLUT8	= 1 << 3,  /* BITMAP 8 */
100 	OMAP_DSS_COLOR_RGB12U	= 1 << 4,  /* RGB12, 16-bit container */
101 	OMAP_DSS_COLOR_ARGB16	= 1 << 5,  /* ARGB16 */
102 	OMAP_DSS_COLOR_RGB16	= 1 << 6,  /* RGB16 */
103 	OMAP_DSS_COLOR_RGB24U	= 1 << 7,  /* RGB24, 32-bit container */
104 	OMAP_DSS_COLOR_RGB24P	= 1 << 8,  /* RGB24, 24-bit container */
105 	OMAP_DSS_COLOR_YUV2	= 1 << 9,  /* YUV2 4:2:2 co-sited */
106 	OMAP_DSS_COLOR_UYVY	= 1 << 10, /* UYVY 4:2:2 co-sited */
107 	OMAP_DSS_COLOR_ARGB32	= 1 << 11, /* ARGB32 */
108 	OMAP_DSS_COLOR_RGBA32	= 1 << 12, /* RGBA32 */
109 	OMAP_DSS_COLOR_RGBX32	= 1 << 13, /* RGBx32 */
110 	OMAP_DSS_COLOR_NV12		= 1 << 14, /* NV12 format: YUV 4:2:0 */
111 	OMAP_DSS_COLOR_RGBA16		= 1 << 15, /* RGBA16 - 4444 */
112 	OMAP_DSS_COLOR_RGBX16		= 1 << 16, /* RGBx16 - 4444 */
113 	OMAP_DSS_COLOR_ARGB16_1555	= 1 << 17, /* ARGB16 - 1555 */
114 	OMAP_DSS_COLOR_XRGB16_1555	= 1 << 18, /* xRGB16 - 1555 */
115 };
116 
117 enum omap_dss_load_mode {
118 	OMAP_DSS_LOAD_CLUT_AND_FRAME	= 0,
119 	OMAP_DSS_LOAD_CLUT_ONLY		= 1,
120 	OMAP_DSS_LOAD_FRAME_ONLY	= 2,
121 	OMAP_DSS_LOAD_CLUT_ONCE_FRAME	= 3,
122 };
123 
124 enum omap_dss_trans_key_type {
125 	OMAP_DSS_COLOR_KEY_GFX_DST = 0,
126 	OMAP_DSS_COLOR_KEY_VID_SRC = 1,
127 };
128 
129 enum omap_rfbi_te_mode {
130 	OMAP_DSS_RFBI_TE_MODE_1 = 1,
131 	OMAP_DSS_RFBI_TE_MODE_2 = 2,
132 };
133 
134 enum omap_dss_signal_level {
135 	OMAPDSS_SIG_ACTIVE_LOW,
136 	OMAPDSS_SIG_ACTIVE_HIGH,
137 };
138 
139 enum omap_dss_signal_edge {
140 	OMAPDSS_DRIVE_SIG_FALLING_EDGE,
141 	OMAPDSS_DRIVE_SIG_RISING_EDGE,
142 };
143 
144 enum omap_dss_venc_type {
145 	OMAP_DSS_VENC_TYPE_COMPOSITE,
146 	OMAP_DSS_VENC_TYPE_SVIDEO,
147 };
148 
149 enum omap_dss_dsi_pixel_format {
150 	OMAP_DSS_DSI_FMT_RGB888,
151 	OMAP_DSS_DSI_FMT_RGB666,
152 	OMAP_DSS_DSI_FMT_RGB666_PACKED,
153 	OMAP_DSS_DSI_FMT_RGB565,
154 };
155 
156 enum omap_dss_dsi_mode {
157 	OMAP_DSS_DSI_CMD_MODE = 0,
158 	OMAP_DSS_DSI_VIDEO_MODE,
159 };
160 
161 enum omap_display_caps {
162 	OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE	= 1 << 0,
163 	OMAP_DSS_DISPLAY_CAP_TEAR_ELIM		= 1 << 1,
164 };
165 
166 enum omap_dss_display_state {
167 	OMAP_DSS_DISPLAY_DISABLED = 0,
168 	OMAP_DSS_DISPLAY_ACTIVE,
169 };
170 
171 enum omap_dss_rotation_type {
172 	OMAP_DSS_ROT_DMA	= 1 << 0,
173 	OMAP_DSS_ROT_VRFB	= 1 << 1,
174 	OMAP_DSS_ROT_TILER	= 1 << 2,
175 };
176 
177 /* clockwise rotation angle */
178 enum omap_dss_rotation_angle {
179 	OMAP_DSS_ROT_0   = 0,
180 	OMAP_DSS_ROT_90  = 1,
181 	OMAP_DSS_ROT_180 = 2,
182 	OMAP_DSS_ROT_270 = 3,
183 };
184 
185 enum omap_overlay_caps {
186 	OMAP_DSS_OVL_CAP_SCALE = 1 << 0,
187 	OMAP_DSS_OVL_CAP_GLOBAL_ALPHA = 1 << 1,
188 	OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA = 1 << 2,
189 	OMAP_DSS_OVL_CAP_ZORDER = 1 << 3,
190 	OMAP_DSS_OVL_CAP_POS = 1 << 4,
191 	OMAP_DSS_OVL_CAP_REPLICATION = 1 << 5,
192 };
193 
194 enum omap_overlay_manager_caps {
195 	OMAP_DSS_DUMMY_VALUE, /* add a dummy value to prevent compiler error */
196 };
197 
198 enum omap_dss_clk_source {
199 	OMAP_DSS_CLK_SRC_FCK = 0,		/* OMAP2/3: DSS1_ALWON_FCLK
200 						 * OMAP4: DSS_FCLK */
201 	OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC,	/* OMAP3: DSI1_PLL_FCLK
202 						 * OMAP4: PLL1_CLK1 */
203 	OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI,	/* OMAP3: DSI2_PLL_FCLK
204 						 * OMAP4: PLL1_CLK2 */
205 	OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC,	/* OMAP4: PLL2_CLK1 */
206 	OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI,	/* OMAP4: PLL2_CLK2 */
207 };
208 
209 enum omap_hdmi_flags {
210 	OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP = 1 << 0,
211 };
212 
213 enum omap_dss_output_id {
214 	OMAP_DSS_OUTPUT_DPI	= 1 << 0,
215 	OMAP_DSS_OUTPUT_DBI	= 1 << 1,
216 	OMAP_DSS_OUTPUT_SDI	= 1 << 2,
217 	OMAP_DSS_OUTPUT_DSI1	= 1 << 3,
218 	OMAP_DSS_OUTPUT_DSI2	= 1 << 4,
219 	OMAP_DSS_OUTPUT_VENC	= 1 << 5,
220 	OMAP_DSS_OUTPUT_HDMI	= 1 << 6,
221 };
222 
223 /* RFBI */
224 
225 struct rfbi_timings {
226 	int cs_on_time;
227 	int cs_off_time;
228 	int we_on_time;
229 	int we_off_time;
230 	int re_on_time;
231 	int re_off_time;
232 	int we_cycle_time;
233 	int re_cycle_time;
234 	int cs_pulse_width;
235 	int access_time;
236 
237 	int clk_div;
238 
239 	u32 tim[5];             /* set by rfbi_convert_timings() */
240 
241 	int converted;
242 };
243 
244 /* DSI */
245 
246 enum omap_dss_dsi_trans_mode {
247 	/* Sync Pulses: both sync start and end packets sent */
248 	OMAP_DSS_DSI_PULSE_MODE,
249 	/* Sync Events: only sync start packets sent */
250 	OMAP_DSS_DSI_EVENT_MODE,
251 	/* Burst: only sync start packets sent, pixels are time compressed */
252 	OMAP_DSS_DSI_BURST_MODE,
253 };
254 
255 struct omap_dss_dsi_videomode_timings {
256 	unsigned long hsclk;
257 
258 	unsigned ndl;
259 	unsigned bitspp;
260 
261 	/* pixels */
262 	u16 hact;
263 	/* lines */
264 	u16 vact;
265 
266 	/* DSI video mode blanking data */
267 	/* Unit: byte clock cycles */
268 	u16 hss;
269 	u16 hsa;
270 	u16 hse;
271 	u16 hfp;
272 	u16 hbp;
273 	/* Unit: line clocks */
274 	u16 vsa;
275 	u16 vfp;
276 	u16 vbp;
277 
278 	/* DSI blanking modes */
279 	int blanking_mode;
280 	int hsa_blanking_mode;
281 	int hbp_blanking_mode;
282 	int hfp_blanking_mode;
283 
284 	enum omap_dss_dsi_trans_mode trans_mode;
285 
286 	bool ddr_clk_always_on;
287 	int window_sync;
288 };
289 
290 struct omap_dss_dsi_config {
291 	enum omap_dss_dsi_mode mode;
292 	enum omap_dss_dsi_pixel_format pixel_format;
293 	const struct videomode *vm;
294 
295 	unsigned long hs_clk_min, hs_clk_max;
296 	unsigned long lp_clk_min, lp_clk_max;
297 
298 	bool ddr_clk_always_on;
299 	enum omap_dss_dsi_trans_mode trans_mode;
300 };
301 
302 /* Hardcoded videomodes for tv. Venc only uses these to
303  * identify the mode, and does not actually use the configs
304  * itself. However, the configs should be something that
305  * a normal monitor can also show */
306 extern const struct videomode omap_dss_pal_vm;
307 extern const struct videomode omap_dss_ntsc_vm;
308 
309 struct omap_dss_cpr_coefs {
310 	s16 rr, rg, rb;
311 	s16 gr, gg, gb;
312 	s16 br, bg, bb;
313 };
314 
315 struct omap_overlay_info {
316 	dma_addr_t paddr;
317 	dma_addr_t p_uv_addr;  /* for NV12 format */
318 	u16 screen_width;
319 	u16 width;
320 	u16 height;
321 	enum omap_color_mode color_mode;
322 	u8 rotation;
323 	enum omap_dss_rotation_type rotation_type;
324 	bool mirror;
325 
326 	u16 pos_x;
327 	u16 pos_y;
328 	u16 out_width;	/* if 0, out_width == width */
329 	u16 out_height;	/* if 0, out_height == height */
330 	u8 global_alpha;
331 	u8 pre_mult_alpha;
332 	u8 zorder;
333 };
334 
335 struct omap_overlay {
336 	struct kobject kobj;
337 	struct list_head list;
338 
339 	/* static fields */
340 	const char *name;
341 	enum omap_plane_id id;
342 	enum omap_color_mode supported_modes;
343 	enum omap_overlay_caps caps;
344 
345 	/* dynamic fields */
346 	struct omap_overlay_manager *manager;
347 
348 	/*
349 	 * The following functions do not block:
350 	 *
351 	 * is_enabled
352 	 * set_overlay_info
353 	 * get_overlay_info
354 	 *
355 	 * The rest of the functions may block and cannot be called from
356 	 * interrupt context
357 	 */
358 
359 	int (*enable)(struct omap_overlay *ovl);
360 	int (*disable)(struct omap_overlay *ovl);
361 	bool (*is_enabled)(struct omap_overlay *ovl);
362 
363 	int (*set_manager)(struct omap_overlay *ovl,
364 		struct omap_overlay_manager *mgr);
365 	int (*unset_manager)(struct omap_overlay *ovl);
366 
367 	int (*set_overlay_info)(struct omap_overlay *ovl,
368 			struct omap_overlay_info *info);
369 	void (*get_overlay_info)(struct omap_overlay *ovl,
370 			struct omap_overlay_info *info);
371 
372 	int (*wait_for_go)(struct omap_overlay *ovl);
373 
374 	struct omap_dss_device *(*get_device)(struct omap_overlay *ovl);
375 };
376 
377 struct omap_overlay_manager_info {
378 	u32 default_color;
379 
380 	enum omap_dss_trans_key_type trans_key_type;
381 	u32 trans_key;
382 	bool trans_enabled;
383 
384 	bool partial_alpha_enabled;
385 
386 	bool cpr_enable;
387 	struct omap_dss_cpr_coefs cpr_coefs;
388 };
389 
390 struct omap_overlay_manager {
391 	struct kobject kobj;
392 
393 	/* static fields */
394 	const char *name;
395 	enum omap_channel id;
396 	enum omap_overlay_manager_caps caps;
397 	struct list_head overlays;
398 	enum omap_display_type supported_displays;
399 	enum omap_dss_output_id supported_outputs;
400 
401 	/* dynamic fields */
402 	struct omap_dss_device *output;
403 
404 	/*
405 	 * The following functions do not block:
406 	 *
407 	 * set_manager_info
408 	 * get_manager_info
409 	 * apply
410 	 *
411 	 * The rest of the functions may block and cannot be called from
412 	 * interrupt context
413 	 */
414 
415 	int (*set_output)(struct omap_overlay_manager *mgr,
416 		struct omap_dss_device *output);
417 	int (*unset_output)(struct omap_overlay_manager *mgr);
418 
419 	int (*set_manager_info)(struct omap_overlay_manager *mgr,
420 			struct omap_overlay_manager_info *info);
421 	void (*get_manager_info)(struct omap_overlay_manager *mgr,
422 			struct omap_overlay_manager_info *info);
423 
424 	int (*apply)(struct omap_overlay_manager *mgr);
425 	int (*wait_for_go)(struct omap_overlay_manager *mgr);
426 	int (*wait_for_vsync)(struct omap_overlay_manager *mgr);
427 
428 	struct omap_dss_device *(*get_device)(struct omap_overlay_manager *mgr);
429 };
430 
431 /* 22 pins means 1 clk lane and 10 data lanes */
432 #define OMAP_DSS_MAX_DSI_PINS 22
433 
434 struct omap_dsi_pin_config {
435 	int num_pins;
436 	/*
437 	 * pin numbers in the following order:
438 	 * clk+, clk-
439 	 * data1+, data1-
440 	 * data2+, data2-
441 	 * ...
442 	 */
443 	int pins[OMAP_DSS_MAX_DSI_PINS];
444 };
445 
446 struct omap_dss_writeback_info {
447 	u32 paddr;
448 	u32 p_uv_addr;
449 	u16 buf_width;
450 	u16 width;
451 	u16 height;
452 	enum omap_color_mode color_mode;
453 	u8 rotation;
454 	enum omap_dss_rotation_type rotation_type;
455 	bool mirror;
456 	u8 pre_mult_alpha;
457 };
458 
459 struct omapdss_dpi_ops {
460 	int (*connect)(struct omap_dss_device *dssdev,
461 			struct omap_dss_device *dst);
462 	void (*disconnect)(struct omap_dss_device *dssdev,
463 			struct omap_dss_device *dst);
464 
465 	int (*enable)(struct omap_dss_device *dssdev);
466 	void (*disable)(struct omap_dss_device *dssdev);
467 
468 	int (*check_timings)(struct omap_dss_device *dssdev,
469 			     struct videomode *vm);
470 	void (*set_timings)(struct omap_dss_device *dssdev,
471 			    struct videomode *vm);
472 	void (*get_timings)(struct omap_dss_device *dssdev,
473 			    struct videomode *vm);
474 
475 	void (*set_data_lines)(struct omap_dss_device *dssdev, int data_lines);
476 };
477 
478 struct omapdss_sdi_ops {
479 	int (*connect)(struct omap_dss_device *dssdev,
480 			struct omap_dss_device *dst);
481 	void (*disconnect)(struct omap_dss_device *dssdev,
482 			struct omap_dss_device *dst);
483 
484 	int (*enable)(struct omap_dss_device *dssdev);
485 	void (*disable)(struct omap_dss_device *dssdev);
486 
487 	int (*check_timings)(struct omap_dss_device *dssdev,
488 			     struct videomode *vm);
489 	void (*set_timings)(struct omap_dss_device *dssdev,
490 			    struct videomode *vm);
491 	void (*get_timings)(struct omap_dss_device *dssdev,
492 			    struct videomode *vm);
493 
494 	void (*set_datapairs)(struct omap_dss_device *dssdev, int datapairs);
495 };
496 
497 struct omapdss_dvi_ops {
498 	int (*connect)(struct omap_dss_device *dssdev,
499 			struct omap_dss_device *dst);
500 	void (*disconnect)(struct omap_dss_device *dssdev,
501 			struct omap_dss_device *dst);
502 
503 	int (*enable)(struct omap_dss_device *dssdev);
504 	void (*disable)(struct omap_dss_device *dssdev);
505 
506 	int (*check_timings)(struct omap_dss_device *dssdev,
507 			     struct videomode *vm);
508 	void (*set_timings)(struct omap_dss_device *dssdev,
509 			    struct videomode *vm);
510 	void (*get_timings)(struct omap_dss_device *dssdev,
511 			    struct videomode *vm);
512 };
513 
514 struct omapdss_atv_ops {
515 	int (*connect)(struct omap_dss_device *dssdev,
516 			struct omap_dss_device *dst);
517 	void (*disconnect)(struct omap_dss_device *dssdev,
518 			struct omap_dss_device *dst);
519 
520 	int (*enable)(struct omap_dss_device *dssdev);
521 	void (*disable)(struct omap_dss_device *dssdev);
522 
523 	int (*check_timings)(struct omap_dss_device *dssdev,
524 			     struct videomode *vm);
525 	void (*set_timings)(struct omap_dss_device *dssdev,
526 			    struct videomode *vm);
527 	void (*get_timings)(struct omap_dss_device *dssdev,
528 			    struct videomode *vm);
529 
530 	void (*set_type)(struct omap_dss_device *dssdev,
531 		enum omap_dss_venc_type type);
532 	void (*invert_vid_out_polarity)(struct omap_dss_device *dssdev,
533 		bool invert_polarity);
534 
535 	int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
536 	u32 (*get_wss)(struct omap_dss_device *dssdev);
537 };
538 
539 struct omapdss_hdmi_ops {
540 	int (*connect)(struct omap_dss_device *dssdev,
541 			struct omap_dss_device *dst);
542 	void (*disconnect)(struct omap_dss_device *dssdev,
543 			struct omap_dss_device *dst);
544 
545 	int (*enable)(struct omap_dss_device *dssdev);
546 	void (*disable)(struct omap_dss_device *dssdev);
547 
548 	int (*check_timings)(struct omap_dss_device *dssdev,
549 			     struct videomode *vm);
550 	void (*set_timings)(struct omap_dss_device *dssdev,
551 			    struct videomode *vm);
552 	void (*get_timings)(struct omap_dss_device *dssdev,
553 			    struct videomode *vm);
554 
555 	int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len);
556 	bool (*detect)(struct omap_dss_device *dssdev);
557 
558 	int (*set_hdmi_mode)(struct omap_dss_device *dssdev, bool hdmi_mode);
559 	int (*set_infoframe)(struct omap_dss_device *dssdev,
560 		const struct hdmi_avi_infoframe *avi);
561 };
562 
563 struct omapdss_dsi_ops {
564 	int (*connect)(struct omap_dss_device *dssdev,
565 			struct omap_dss_device *dst);
566 	void (*disconnect)(struct omap_dss_device *dssdev,
567 			struct omap_dss_device *dst);
568 
569 	int (*enable)(struct omap_dss_device *dssdev);
570 	void (*disable)(struct omap_dss_device *dssdev, bool disconnect_lanes,
571 			bool enter_ulps);
572 
573 	/* bus configuration */
574 	int (*set_config)(struct omap_dss_device *dssdev,
575 			const struct omap_dss_dsi_config *cfg);
576 	int (*configure_pins)(struct omap_dss_device *dssdev,
577 			const struct omap_dsi_pin_config *pin_cfg);
578 
579 	void (*enable_hs)(struct omap_dss_device *dssdev, int channel,
580 			bool enable);
581 	int (*enable_te)(struct omap_dss_device *dssdev, bool enable);
582 
583 	int (*update)(struct omap_dss_device *dssdev, int channel,
584 			void (*callback)(int, void *), void *data);
585 
586 	void (*bus_lock)(struct omap_dss_device *dssdev);
587 	void (*bus_unlock)(struct omap_dss_device *dssdev);
588 
589 	int (*enable_video_output)(struct omap_dss_device *dssdev, int channel);
590 	void (*disable_video_output)(struct omap_dss_device *dssdev,
591 			int channel);
592 
593 	int (*request_vc)(struct omap_dss_device *dssdev, int *channel);
594 	int (*set_vc_id)(struct omap_dss_device *dssdev, int channel,
595 			int vc_id);
596 	void (*release_vc)(struct omap_dss_device *dssdev, int channel);
597 
598 	/* data transfer */
599 	int (*dcs_write)(struct omap_dss_device *dssdev, int channel,
600 			u8 *data, int len);
601 	int (*dcs_write_nosync)(struct omap_dss_device *dssdev, int channel,
602 			u8 *data, int len);
603 	int (*dcs_read)(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
604 			u8 *data, int len);
605 
606 	int (*gen_write)(struct omap_dss_device *dssdev, int channel,
607 			u8 *data, int len);
608 	int (*gen_write_nosync)(struct omap_dss_device *dssdev, int channel,
609 			u8 *data, int len);
610 	int (*gen_read)(struct omap_dss_device *dssdev, int channel,
611 			u8 *reqdata, int reqlen,
612 			u8 *data, int len);
613 
614 	int (*bta_sync)(struct omap_dss_device *dssdev, int channel);
615 
616 	int (*set_max_rx_packet_size)(struct omap_dss_device *dssdev,
617 			int channel, u16 plen);
618 };
619 
620 struct omap_dss_device {
621 	struct kobject kobj;
622 	struct device *dev;
623 
624 	struct module *owner;
625 
626 	struct list_head panel_list;
627 
628 	/* alias in the form of "display%d" */
629 	char alias[16];
630 
631 	enum omap_display_type type;
632 	enum omap_display_type output_type;
633 
634 	union {
635 		struct {
636 			u8 data_lines;
637 		} dpi;
638 
639 		struct {
640 			u8 channel;
641 			u8 data_lines;
642 		} rfbi;
643 
644 		struct {
645 			u8 datapairs;
646 		} sdi;
647 
648 		struct {
649 			int module;
650 		} dsi;
651 
652 		struct {
653 			enum omap_dss_venc_type type;
654 			bool invert_polarity;
655 		} venc;
656 	} phy;
657 
658 	struct {
659 		struct videomode vm;
660 
661 		enum omap_dss_dsi_pixel_format dsi_pix_fmt;
662 		enum omap_dss_dsi_mode dsi_mode;
663 	} panel;
664 
665 	struct {
666 		u8 pixel_size;
667 		struct rfbi_timings rfbi_timings;
668 	} ctrl;
669 
670 	const char *name;
671 
672 	/* used to match device to driver */
673 	const char *driver_name;
674 
675 	void *data;
676 
677 	struct omap_dss_driver *driver;
678 
679 	union {
680 		const struct omapdss_dpi_ops *dpi;
681 		const struct omapdss_sdi_ops *sdi;
682 		const struct omapdss_dvi_ops *dvi;
683 		const struct omapdss_hdmi_ops *hdmi;
684 		const struct omapdss_atv_ops *atv;
685 		const struct omapdss_dsi_ops *dsi;
686 	} ops;
687 
688 	/* helper variable for driver suspend/resume */
689 	bool activate_after_resume;
690 
691 	enum omap_display_caps caps;
692 
693 	struct omap_dss_device *src;
694 
695 	enum omap_dss_display_state state;
696 
697 	/* OMAP DSS output specific fields */
698 
699 	struct list_head list;
700 
701 	/* DISPC channel for this output */
702 	enum omap_channel dispc_channel;
703 	bool dispc_channel_connected;
704 
705 	/* output instance */
706 	enum omap_dss_output_id id;
707 
708 	/* the port number in the DT node */
709 	int port_num;
710 
711 	/* dynamic fields */
712 	struct omap_overlay_manager *manager;
713 
714 	struct omap_dss_device *dst;
715 };
716 
717 struct omap_dss_driver {
718 	int (*probe)(struct omap_dss_device *);
719 	void (*remove)(struct omap_dss_device *);
720 
721 	int (*connect)(struct omap_dss_device *dssdev);
722 	void (*disconnect)(struct omap_dss_device *dssdev);
723 
724 	int (*enable)(struct omap_dss_device *display);
725 	void (*disable)(struct omap_dss_device *display);
726 	int (*run_test)(struct omap_dss_device *display, int test);
727 
728 	int (*update)(struct omap_dss_device *dssdev,
729 			       u16 x, u16 y, u16 w, u16 h);
730 	int (*sync)(struct omap_dss_device *dssdev);
731 
732 	int (*enable_te)(struct omap_dss_device *dssdev, bool enable);
733 	int (*get_te)(struct omap_dss_device *dssdev);
734 
735 	u8 (*get_rotate)(struct omap_dss_device *dssdev);
736 	int (*set_rotate)(struct omap_dss_device *dssdev, u8 rotate);
737 
738 	bool (*get_mirror)(struct omap_dss_device *dssdev);
739 	int (*set_mirror)(struct omap_dss_device *dssdev, bool enable);
740 
741 	int (*memory_read)(struct omap_dss_device *dssdev,
742 			void *buf, size_t size,
743 			u16 x, u16 y, u16 w, u16 h);
744 
745 	void (*get_resolution)(struct omap_dss_device *dssdev,
746 			u16 *xres, u16 *yres);
747 	void (*get_dimensions)(struct omap_dss_device *dssdev,
748 			u32 *width, u32 *height);
749 	int (*get_recommended_bpp)(struct omap_dss_device *dssdev);
750 
751 	int (*check_timings)(struct omap_dss_device *dssdev,
752 			     struct videomode *vm);
753 	void (*set_timings)(struct omap_dss_device *dssdev,
754 			    struct videomode *vm);
755 	void (*get_timings)(struct omap_dss_device *dssdev,
756 			    struct videomode *vm);
757 
758 	int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
759 	u32 (*get_wss)(struct omap_dss_device *dssdev);
760 
761 	int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len);
762 	bool (*detect)(struct omap_dss_device *dssdev);
763 
764 	int (*set_hdmi_mode)(struct omap_dss_device *dssdev, bool hdmi_mode);
765 	int (*set_hdmi_infoframe)(struct omap_dss_device *dssdev,
766 		const struct hdmi_avi_infoframe *avi);
767 };
768 
769 enum omapdss_version omapdss_get_version(void);
770 bool omapdss_is_initialized(void);
771 
772 int omap_dss_register_driver(struct omap_dss_driver *);
773 void omap_dss_unregister_driver(struct omap_dss_driver *);
774 
775 int omapdss_register_display(struct omap_dss_device *dssdev);
776 void omapdss_unregister_display(struct omap_dss_device *dssdev);
777 
778 struct omap_dss_device *omap_dss_get_device(struct omap_dss_device *dssdev);
779 void omap_dss_put_device(struct omap_dss_device *dssdev);
780 #define for_each_dss_dev(d) while ((d = omap_dss_get_next_device(d)) != NULL)
781 struct omap_dss_device *omap_dss_get_next_device(struct omap_dss_device *from);
782 struct omap_dss_device *omap_dss_find_device(void *data,
783 		int (*match)(struct omap_dss_device *dssdev, void *data));
784 const char *omapdss_get_default_display_name(void);
785 
786 int dss_feat_get_num_mgrs(void);
787 int dss_feat_get_num_ovls(void);
788 enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane_id plane);
789 
790 
791 
792 int omap_dss_get_num_overlay_managers(void);
793 struct omap_overlay_manager *omap_dss_get_overlay_manager(int num);
794 
795 int omap_dss_get_num_overlays(void);
796 struct omap_overlay *omap_dss_get_overlay(int num);
797 
798 int omapdss_register_output(struct omap_dss_device *output);
799 void omapdss_unregister_output(struct omap_dss_device *output);
800 struct omap_dss_device *omap_dss_get_output(enum omap_dss_output_id id);
801 struct omap_dss_device *omap_dss_find_output(const char *name);
802 struct omap_dss_device *omap_dss_find_output_by_port_node(struct device_node *port);
803 int omapdss_output_set_device(struct omap_dss_device *out,
804 		struct omap_dss_device *dssdev);
805 int omapdss_output_unset_device(struct omap_dss_device *out);
806 
807 struct omap_dss_device *omapdss_find_output_from_display(struct omap_dss_device *dssdev);
808 struct omap_overlay_manager *omapdss_find_mgr_from_display(struct omap_dss_device *dssdev);
809 
810 void omapdss_default_get_resolution(struct omap_dss_device *dssdev,
811 		u16 *xres, u16 *yres);
812 int omapdss_default_get_recommended_bpp(struct omap_dss_device *dssdev);
813 void omapdss_default_get_timings(struct omap_dss_device *dssdev,
814 				 struct videomode *vm);
815 
816 typedef void (*omap_dispc_isr_t) (void *arg, u32 mask);
817 int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask);
818 int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask);
819 
820 int omapdss_compat_init(void);
821 void omapdss_compat_uninit(void);
822 
823 static inline bool omapdss_device_is_connected(struct omap_dss_device *dssdev)
824 {
825 	return dssdev->src;
826 }
827 
828 static inline bool omapdss_device_is_enabled(struct omap_dss_device *dssdev)
829 {
830 	return dssdev->state == OMAP_DSS_DISPLAY_ACTIVE;
831 }
832 
833 struct omap_dss_device *
834 omapdss_of_find_source_for_first_ep(struct device_node *node);
835 
836 void omapdss_set_is_initialized(bool set);
837 
838 struct device_node *dss_of_port_get_parent_device(struct device_node *port);
839 u32 dss_of_port_get_port_number(struct device_node *port);
840 
841 struct dss_mgr_ops {
842 	int (*connect)(enum omap_channel channel,
843 		struct omap_dss_device *dst);
844 	void (*disconnect)(enum omap_channel channel,
845 		struct omap_dss_device *dst);
846 
847 	void (*start_update)(enum omap_channel channel);
848 	int (*enable)(enum omap_channel channel);
849 	void (*disable)(enum omap_channel channel);
850 	void (*set_timings)(enum omap_channel channel,
851 			const struct videomode *vm);
852 	void (*set_lcd_config)(enum omap_channel channel,
853 			const struct dss_lcd_mgr_config *config);
854 	int (*register_framedone_handler)(enum omap_channel channel,
855 			void (*handler)(void *), void *data);
856 	void (*unregister_framedone_handler)(enum omap_channel channel,
857 			void (*handler)(void *), void *data);
858 };
859 
860 int dss_install_mgr_ops(const struct dss_mgr_ops *mgr_ops);
861 void dss_uninstall_mgr_ops(void);
862 
863 int dss_mgr_connect(enum omap_channel channel,
864 		struct omap_dss_device *dst);
865 void dss_mgr_disconnect(enum omap_channel channel,
866 		struct omap_dss_device *dst);
867 void dss_mgr_set_timings(enum omap_channel channel,
868 		const struct videomode *vm);
869 void dss_mgr_set_lcd_config(enum omap_channel channel,
870 		const struct dss_lcd_mgr_config *config);
871 int dss_mgr_enable(enum omap_channel channel);
872 void dss_mgr_disable(enum omap_channel channel);
873 void dss_mgr_start_update(enum omap_channel channel);
874 int dss_mgr_register_framedone_handler(enum omap_channel channel,
875 		void (*handler)(void *), void *data);
876 void dss_mgr_unregister_framedone_handler(enum omap_channel channel,
877 		void (*handler)(void *), void *data);
878 
879 /* dispc ops */
880 
881 struct dispc_ops {
882 	u32 (*read_irqstatus)(void);
883 	void (*clear_irqstatus)(u32 mask);
884 	u32 (*read_irqenable)(void);
885 	void (*write_irqenable)(u32 mask);
886 
887 	int (*request_irq)(irq_handler_t handler, void *dev_id);
888 	void (*free_irq)(void *dev_id);
889 
890 	int (*runtime_get)(void);
891 	void (*runtime_put)(void);
892 
893 	int (*get_num_ovls)(void);
894 	int (*get_num_mgrs)(void);
895 
896 	void (*mgr_enable)(enum omap_channel channel, bool enable);
897 	bool (*mgr_is_enabled)(enum omap_channel channel);
898 	u32 (*mgr_get_vsync_irq)(enum omap_channel channel);
899 	u32 (*mgr_get_framedone_irq)(enum omap_channel channel);
900 	u32 (*mgr_get_sync_lost_irq)(enum omap_channel channel);
901 	bool (*mgr_go_busy)(enum omap_channel channel);
902 	void (*mgr_go)(enum omap_channel channel);
903 	void (*mgr_set_lcd_config)(enum omap_channel channel,
904 			const struct dss_lcd_mgr_config *config);
905 	void (*mgr_set_timings)(enum omap_channel channel,
906 			const struct videomode *vm);
907 	void (*mgr_setup)(enum omap_channel channel,
908 			const struct omap_overlay_manager_info *info);
909 	enum omap_dss_output_id (*mgr_get_supported_outputs)(enum omap_channel channel);
910 	u32 (*mgr_gamma_size)(enum omap_channel channel);
911 	void (*mgr_set_gamma)(enum omap_channel channel,
912 		const struct drm_color_lut *lut,
913 		unsigned int length);
914 
915 	int (*ovl_enable)(enum omap_plane_id plane, bool enable);
916 	bool (*ovl_enabled)(enum omap_plane_id plane);
917 	void (*ovl_set_channel_out)(enum omap_plane_id plane,
918 			enum omap_channel channel);
919 	int (*ovl_setup)(enum omap_plane_id plane,
920 			 const struct omap_overlay_info *oi,
921 			const struct videomode *vm, bool mem_to_mem);
922 
923 	enum omap_color_mode (*ovl_get_color_modes)(enum omap_plane_id plane);
924 };
925 
926 void dispc_set_ops(const struct dispc_ops *o);
927 const struct dispc_ops *dispc_get_ops(void);
928 
929 bool omapdss_component_is_display(struct device_node *node);
930 bool omapdss_component_is_output(struct device_node *node);
931 
932 bool omapdss_stack_is_ready(void);
933 void omapdss_gather_components(struct device *dev);
934 
935 #endif /* __OMAP_DRM_DSS_H */
936