xref: /openbmc/linux/drivers/gpu/drm/omapdrm/dss/omapdss.h (revision 82003e04)
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 {
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 omap_video_timings *timings;
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 struct omap_video_timings {
303 	/* Unit: pixels */
304 	u16 x_res;
305 	/* Unit: pixels */
306 	u16 y_res;
307 	/* Unit: Hz */
308 	u32 pixelclock;
309 	/* Unit: pixel clocks */
310 	u16 hsw;	/* Horizontal synchronization pulse width */
311 	/* Unit: pixel clocks */
312 	u16 hfp;	/* Horizontal front porch */
313 	/* Unit: pixel clocks */
314 	u16 hbp;	/* Horizontal back porch */
315 	/* Unit: line clocks */
316 	u16 vsw;	/* Vertical synchronization pulse width */
317 	/* Unit: line clocks */
318 	u16 vfp;	/* Vertical front porch */
319 	/* Unit: line clocks */
320 	u16 vbp;	/* Vertical back porch */
321 
322 	/* Vsync logic level */
323 	enum omap_dss_signal_level vsync_level;
324 	/* Hsync logic level */
325 	enum omap_dss_signal_level hsync_level;
326 	/* Interlaced or Progressive timings */
327 	bool interlace;
328 	/* Pixel clock edge to drive LCD data */
329 	enum omap_dss_signal_edge data_pclk_edge;
330 	/* Data enable logic level */
331 	enum omap_dss_signal_level de_level;
332 	/* Pixel clock edges to drive HSYNC and VSYNC signals */
333 	enum omap_dss_signal_edge sync_pclk_edge;
334 
335 	bool double_pixel;
336 };
337 
338 /* Hardcoded timings for tv modes. Venc only uses these to
339  * identify the mode, and does not actually use the configs
340  * itself. However, the configs should be something that
341  * a normal monitor can also show */
342 extern const struct omap_video_timings omap_dss_pal_timings;
343 extern const struct omap_video_timings omap_dss_ntsc_timings;
344 
345 struct omap_dss_cpr_coefs {
346 	s16 rr, rg, rb;
347 	s16 gr, gg, gb;
348 	s16 br, bg, bb;
349 };
350 
351 struct omap_overlay_info {
352 	dma_addr_t paddr;
353 	dma_addr_t p_uv_addr;  /* for NV12 format */
354 	u16 screen_width;
355 	u16 width;
356 	u16 height;
357 	enum omap_color_mode color_mode;
358 	u8 rotation;
359 	enum omap_dss_rotation_type rotation_type;
360 	bool mirror;
361 
362 	u16 pos_x;
363 	u16 pos_y;
364 	u16 out_width;	/* if 0, out_width == width */
365 	u16 out_height;	/* if 0, out_height == height */
366 	u8 global_alpha;
367 	u8 pre_mult_alpha;
368 	u8 zorder;
369 };
370 
371 struct omap_overlay {
372 	struct kobject kobj;
373 	struct list_head list;
374 
375 	/* static fields */
376 	const char *name;
377 	enum omap_plane id;
378 	enum omap_color_mode supported_modes;
379 	enum omap_overlay_caps caps;
380 
381 	/* dynamic fields */
382 	struct omap_overlay_manager *manager;
383 
384 	/*
385 	 * The following functions do not block:
386 	 *
387 	 * is_enabled
388 	 * set_overlay_info
389 	 * get_overlay_info
390 	 *
391 	 * The rest of the functions may block and cannot be called from
392 	 * interrupt context
393 	 */
394 
395 	int (*enable)(struct omap_overlay *ovl);
396 	int (*disable)(struct omap_overlay *ovl);
397 	bool (*is_enabled)(struct omap_overlay *ovl);
398 
399 	int (*set_manager)(struct omap_overlay *ovl,
400 		struct omap_overlay_manager *mgr);
401 	int (*unset_manager)(struct omap_overlay *ovl);
402 
403 	int (*set_overlay_info)(struct omap_overlay *ovl,
404 			struct omap_overlay_info *info);
405 	void (*get_overlay_info)(struct omap_overlay *ovl,
406 			struct omap_overlay_info *info);
407 
408 	int (*wait_for_go)(struct omap_overlay *ovl);
409 
410 	struct omap_dss_device *(*get_device)(struct omap_overlay *ovl);
411 };
412 
413 struct omap_overlay_manager_info {
414 	u32 default_color;
415 
416 	enum omap_dss_trans_key_type trans_key_type;
417 	u32 trans_key;
418 	bool trans_enabled;
419 
420 	bool partial_alpha_enabled;
421 
422 	bool cpr_enable;
423 	struct omap_dss_cpr_coefs cpr_coefs;
424 };
425 
426 struct omap_overlay_manager {
427 	struct kobject kobj;
428 
429 	/* static fields */
430 	const char *name;
431 	enum omap_channel id;
432 	enum omap_overlay_manager_caps caps;
433 	struct list_head overlays;
434 	enum omap_display_type supported_displays;
435 	enum omap_dss_output_id supported_outputs;
436 
437 	/* dynamic fields */
438 	struct omap_dss_device *output;
439 
440 	/*
441 	 * The following functions do not block:
442 	 *
443 	 * set_manager_info
444 	 * get_manager_info
445 	 * apply
446 	 *
447 	 * The rest of the functions may block and cannot be called from
448 	 * interrupt context
449 	 */
450 
451 	int (*set_output)(struct omap_overlay_manager *mgr,
452 		struct omap_dss_device *output);
453 	int (*unset_output)(struct omap_overlay_manager *mgr);
454 
455 	int (*set_manager_info)(struct omap_overlay_manager *mgr,
456 			struct omap_overlay_manager_info *info);
457 	void (*get_manager_info)(struct omap_overlay_manager *mgr,
458 			struct omap_overlay_manager_info *info);
459 
460 	int (*apply)(struct omap_overlay_manager *mgr);
461 	int (*wait_for_go)(struct omap_overlay_manager *mgr);
462 	int (*wait_for_vsync)(struct omap_overlay_manager *mgr);
463 
464 	struct omap_dss_device *(*get_device)(struct omap_overlay_manager *mgr);
465 };
466 
467 /* 22 pins means 1 clk lane and 10 data lanes */
468 #define OMAP_DSS_MAX_DSI_PINS 22
469 
470 struct omap_dsi_pin_config {
471 	int num_pins;
472 	/*
473 	 * pin numbers in the following order:
474 	 * clk+, clk-
475 	 * data1+, data1-
476 	 * data2+, data2-
477 	 * ...
478 	 */
479 	int pins[OMAP_DSS_MAX_DSI_PINS];
480 };
481 
482 struct omap_dss_writeback_info {
483 	u32 paddr;
484 	u32 p_uv_addr;
485 	u16 buf_width;
486 	u16 width;
487 	u16 height;
488 	enum omap_color_mode color_mode;
489 	u8 rotation;
490 	enum omap_dss_rotation_type rotation_type;
491 	bool mirror;
492 	u8 pre_mult_alpha;
493 };
494 
495 struct omapdss_dpi_ops {
496 	int (*connect)(struct omap_dss_device *dssdev,
497 			struct omap_dss_device *dst);
498 	void (*disconnect)(struct omap_dss_device *dssdev,
499 			struct omap_dss_device *dst);
500 
501 	int (*enable)(struct omap_dss_device *dssdev);
502 	void (*disable)(struct omap_dss_device *dssdev);
503 
504 	int (*check_timings)(struct omap_dss_device *dssdev,
505 			struct omap_video_timings *timings);
506 	void (*set_timings)(struct omap_dss_device *dssdev,
507 			struct omap_video_timings *timings);
508 	void (*get_timings)(struct omap_dss_device *dssdev,
509 			struct omap_video_timings *timings);
510 
511 	void (*set_data_lines)(struct omap_dss_device *dssdev, int data_lines);
512 };
513 
514 struct omapdss_sdi_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 omap_video_timings *timings);
525 	void (*set_timings)(struct omap_dss_device *dssdev,
526 			struct omap_video_timings *timings);
527 	void (*get_timings)(struct omap_dss_device *dssdev,
528 			struct omap_video_timings *timings);
529 
530 	void (*set_datapairs)(struct omap_dss_device *dssdev, int datapairs);
531 };
532 
533 struct omapdss_dvi_ops {
534 	int (*connect)(struct omap_dss_device *dssdev,
535 			struct omap_dss_device *dst);
536 	void (*disconnect)(struct omap_dss_device *dssdev,
537 			struct omap_dss_device *dst);
538 
539 	int (*enable)(struct omap_dss_device *dssdev);
540 	void (*disable)(struct omap_dss_device *dssdev);
541 
542 	int (*check_timings)(struct omap_dss_device *dssdev,
543 			struct omap_video_timings *timings);
544 	void (*set_timings)(struct omap_dss_device *dssdev,
545 			struct omap_video_timings *timings);
546 	void (*get_timings)(struct omap_dss_device *dssdev,
547 			struct omap_video_timings *timings);
548 };
549 
550 struct omapdss_atv_ops {
551 	int (*connect)(struct omap_dss_device *dssdev,
552 			struct omap_dss_device *dst);
553 	void (*disconnect)(struct omap_dss_device *dssdev,
554 			struct omap_dss_device *dst);
555 
556 	int (*enable)(struct omap_dss_device *dssdev);
557 	void (*disable)(struct omap_dss_device *dssdev);
558 
559 	int (*check_timings)(struct omap_dss_device *dssdev,
560 			struct omap_video_timings *timings);
561 	void (*set_timings)(struct omap_dss_device *dssdev,
562 			struct omap_video_timings *timings);
563 	void (*get_timings)(struct omap_dss_device *dssdev,
564 			struct omap_video_timings *timings);
565 
566 	void (*set_type)(struct omap_dss_device *dssdev,
567 		enum omap_dss_venc_type type);
568 	void (*invert_vid_out_polarity)(struct omap_dss_device *dssdev,
569 		bool invert_polarity);
570 
571 	int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
572 	u32 (*get_wss)(struct omap_dss_device *dssdev);
573 };
574 
575 struct omapdss_hdmi_ops {
576 	int (*connect)(struct omap_dss_device *dssdev,
577 			struct omap_dss_device *dst);
578 	void (*disconnect)(struct omap_dss_device *dssdev,
579 			struct omap_dss_device *dst);
580 
581 	int (*enable)(struct omap_dss_device *dssdev);
582 	void (*disable)(struct omap_dss_device *dssdev);
583 
584 	int (*check_timings)(struct omap_dss_device *dssdev,
585 			struct omap_video_timings *timings);
586 	void (*set_timings)(struct omap_dss_device *dssdev,
587 			struct omap_video_timings *timings);
588 	void (*get_timings)(struct omap_dss_device *dssdev,
589 			struct omap_video_timings *timings);
590 
591 	int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len);
592 	bool (*detect)(struct omap_dss_device *dssdev);
593 
594 	int (*set_hdmi_mode)(struct omap_dss_device *dssdev, bool hdmi_mode);
595 	int (*set_infoframe)(struct omap_dss_device *dssdev,
596 		const struct hdmi_avi_infoframe *avi);
597 };
598 
599 struct omapdss_dsi_ops {
600 	int (*connect)(struct omap_dss_device *dssdev,
601 			struct omap_dss_device *dst);
602 	void (*disconnect)(struct omap_dss_device *dssdev,
603 			struct omap_dss_device *dst);
604 
605 	int (*enable)(struct omap_dss_device *dssdev);
606 	void (*disable)(struct omap_dss_device *dssdev, bool disconnect_lanes,
607 			bool enter_ulps);
608 
609 	/* bus configuration */
610 	int (*set_config)(struct omap_dss_device *dssdev,
611 			const struct omap_dss_dsi_config *cfg);
612 	int (*configure_pins)(struct omap_dss_device *dssdev,
613 			const struct omap_dsi_pin_config *pin_cfg);
614 
615 	void (*enable_hs)(struct omap_dss_device *dssdev, int channel,
616 			bool enable);
617 	int (*enable_te)(struct omap_dss_device *dssdev, bool enable);
618 
619 	int (*update)(struct omap_dss_device *dssdev, int channel,
620 			void (*callback)(int, void *), void *data);
621 
622 	void (*bus_lock)(struct omap_dss_device *dssdev);
623 	void (*bus_unlock)(struct omap_dss_device *dssdev);
624 
625 	int (*enable_video_output)(struct omap_dss_device *dssdev, int channel);
626 	void (*disable_video_output)(struct omap_dss_device *dssdev,
627 			int channel);
628 
629 	int (*request_vc)(struct omap_dss_device *dssdev, int *channel);
630 	int (*set_vc_id)(struct omap_dss_device *dssdev, int channel,
631 			int vc_id);
632 	void (*release_vc)(struct omap_dss_device *dssdev, int channel);
633 
634 	/* data transfer */
635 	int (*dcs_write)(struct omap_dss_device *dssdev, int channel,
636 			u8 *data, int len);
637 	int (*dcs_write_nosync)(struct omap_dss_device *dssdev, int channel,
638 			u8 *data, int len);
639 	int (*dcs_read)(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
640 			u8 *data, int len);
641 
642 	int (*gen_write)(struct omap_dss_device *dssdev, int channel,
643 			u8 *data, int len);
644 	int (*gen_write_nosync)(struct omap_dss_device *dssdev, int channel,
645 			u8 *data, int len);
646 	int (*gen_read)(struct omap_dss_device *dssdev, int channel,
647 			u8 *reqdata, int reqlen,
648 			u8 *data, int len);
649 
650 	int (*bta_sync)(struct omap_dss_device *dssdev, int channel);
651 
652 	int (*set_max_rx_packet_size)(struct omap_dss_device *dssdev,
653 			int channel, u16 plen);
654 };
655 
656 struct omap_dss_device {
657 	struct kobject kobj;
658 	struct device *dev;
659 
660 	struct module *owner;
661 
662 	struct list_head panel_list;
663 
664 	/* alias in the form of "display%d" */
665 	char alias[16];
666 
667 	enum omap_display_type type;
668 	enum omap_display_type output_type;
669 
670 	union {
671 		struct {
672 			u8 data_lines;
673 		} dpi;
674 
675 		struct {
676 			u8 channel;
677 			u8 data_lines;
678 		} rfbi;
679 
680 		struct {
681 			u8 datapairs;
682 		} sdi;
683 
684 		struct {
685 			int module;
686 		} dsi;
687 
688 		struct {
689 			enum omap_dss_venc_type type;
690 			bool invert_polarity;
691 		} venc;
692 	} phy;
693 
694 	struct {
695 		struct omap_video_timings timings;
696 
697 		enum omap_dss_dsi_pixel_format dsi_pix_fmt;
698 		enum omap_dss_dsi_mode dsi_mode;
699 	} panel;
700 
701 	struct {
702 		u8 pixel_size;
703 		struct rfbi_timings rfbi_timings;
704 	} ctrl;
705 
706 	const char *name;
707 
708 	/* used to match device to driver */
709 	const char *driver_name;
710 
711 	void *data;
712 
713 	struct omap_dss_driver *driver;
714 
715 	union {
716 		const struct omapdss_dpi_ops *dpi;
717 		const struct omapdss_sdi_ops *sdi;
718 		const struct omapdss_dvi_ops *dvi;
719 		const struct omapdss_hdmi_ops *hdmi;
720 		const struct omapdss_atv_ops *atv;
721 		const struct omapdss_dsi_ops *dsi;
722 	} ops;
723 
724 	/* helper variable for driver suspend/resume */
725 	bool activate_after_resume;
726 
727 	enum omap_display_caps caps;
728 
729 	struct omap_dss_device *src;
730 
731 	enum omap_dss_display_state state;
732 
733 	/* OMAP DSS output specific fields */
734 
735 	struct list_head list;
736 
737 	/* DISPC channel for this output */
738 	enum omap_channel dispc_channel;
739 	bool dispc_channel_connected;
740 
741 	/* output instance */
742 	enum omap_dss_output_id id;
743 
744 	/* the port number in the DT node */
745 	int port_num;
746 
747 	/* dynamic fields */
748 	struct omap_overlay_manager *manager;
749 
750 	struct omap_dss_device *dst;
751 };
752 
753 struct omap_dss_driver {
754 	int (*probe)(struct omap_dss_device *);
755 	void (*remove)(struct omap_dss_device *);
756 
757 	int (*connect)(struct omap_dss_device *dssdev);
758 	void (*disconnect)(struct omap_dss_device *dssdev);
759 
760 	int (*enable)(struct omap_dss_device *display);
761 	void (*disable)(struct omap_dss_device *display);
762 	int (*run_test)(struct omap_dss_device *display, int test);
763 
764 	int (*update)(struct omap_dss_device *dssdev,
765 			       u16 x, u16 y, u16 w, u16 h);
766 	int (*sync)(struct omap_dss_device *dssdev);
767 
768 	int (*enable_te)(struct omap_dss_device *dssdev, bool enable);
769 	int (*get_te)(struct omap_dss_device *dssdev);
770 
771 	u8 (*get_rotate)(struct omap_dss_device *dssdev);
772 	int (*set_rotate)(struct omap_dss_device *dssdev, u8 rotate);
773 
774 	bool (*get_mirror)(struct omap_dss_device *dssdev);
775 	int (*set_mirror)(struct omap_dss_device *dssdev, bool enable);
776 
777 	int (*memory_read)(struct omap_dss_device *dssdev,
778 			void *buf, size_t size,
779 			u16 x, u16 y, u16 w, u16 h);
780 
781 	void (*get_resolution)(struct omap_dss_device *dssdev,
782 			u16 *xres, u16 *yres);
783 	void (*get_dimensions)(struct omap_dss_device *dssdev,
784 			u32 *width, u32 *height);
785 	int (*get_recommended_bpp)(struct omap_dss_device *dssdev);
786 
787 	int (*check_timings)(struct omap_dss_device *dssdev,
788 			struct omap_video_timings *timings);
789 	void (*set_timings)(struct omap_dss_device *dssdev,
790 			struct omap_video_timings *timings);
791 	void (*get_timings)(struct omap_dss_device *dssdev,
792 			struct omap_video_timings *timings);
793 
794 	int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
795 	u32 (*get_wss)(struct omap_dss_device *dssdev);
796 
797 	int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len);
798 	bool (*detect)(struct omap_dss_device *dssdev);
799 
800 	int (*set_hdmi_mode)(struct omap_dss_device *dssdev, bool hdmi_mode);
801 	int (*set_hdmi_infoframe)(struct omap_dss_device *dssdev,
802 		const struct hdmi_avi_infoframe *avi);
803 };
804 
805 enum omapdss_version omapdss_get_version(void);
806 bool omapdss_is_initialized(void);
807 
808 int omap_dss_register_driver(struct omap_dss_driver *);
809 void omap_dss_unregister_driver(struct omap_dss_driver *);
810 
811 int omapdss_register_display(struct omap_dss_device *dssdev);
812 void omapdss_unregister_display(struct omap_dss_device *dssdev);
813 
814 struct omap_dss_device *omap_dss_get_device(struct omap_dss_device *dssdev);
815 void omap_dss_put_device(struct omap_dss_device *dssdev);
816 #define for_each_dss_dev(d) while ((d = omap_dss_get_next_device(d)) != NULL)
817 struct omap_dss_device *omap_dss_get_next_device(struct omap_dss_device *from);
818 struct omap_dss_device *omap_dss_find_device(void *data,
819 		int (*match)(struct omap_dss_device *dssdev, void *data));
820 const char *omapdss_get_default_display_name(void);
821 
822 void videomode_to_omap_video_timings(const struct videomode *vm,
823 		struct omap_video_timings *ovt);
824 void omap_video_timings_to_videomode(const struct omap_video_timings *ovt,
825 		struct videomode *vm);
826 
827 int dss_feat_get_num_mgrs(void);
828 int dss_feat_get_num_ovls(void);
829 enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane);
830 
831 
832 
833 int omap_dss_get_num_overlay_managers(void);
834 struct omap_overlay_manager *omap_dss_get_overlay_manager(int num);
835 
836 int omap_dss_get_num_overlays(void);
837 struct omap_overlay *omap_dss_get_overlay(int num);
838 
839 int omapdss_register_output(struct omap_dss_device *output);
840 void omapdss_unregister_output(struct omap_dss_device *output);
841 struct omap_dss_device *omap_dss_get_output(enum omap_dss_output_id id);
842 struct omap_dss_device *omap_dss_find_output(const char *name);
843 struct omap_dss_device *omap_dss_find_output_by_port_node(struct device_node *port);
844 int omapdss_output_set_device(struct omap_dss_device *out,
845 		struct omap_dss_device *dssdev);
846 int omapdss_output_unset_device(struct omap_dss_device *out);
847 
848 struct omap_dss_device *omapdss_find_output_from_display(struct omap_dss_device *dssdev);
849 struct omap_overlay_manager *omapdss_find_mgr_from_display(struct omap_dss_device *dssdev);
850 
851 void omapdss_default_get_resolution(struct omap_dss_device *dssdev,
852 		u16 *xres, u16 *yres);
853 int omapdss_default_get_recommended_bpp(struct omap_dss_device *dssdev);
854 void omapdss_default_get_timings(struct omap_dss_device *dssdev,
855 		struct omap_video_timings *timings);
856 
857 typedef void (*omap_dispc_isr_t) (void *arg, u32 mask);
858 int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask);
859 int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask);
860 
861 int omapdss_compat_init(void);
862 void omapdss_compat_uninit(void);
863 
864 static inline bool omapdss_device_is_connected(struct omap_dss_device *dssdev)
865 {
866 	return dssdev->src;
867 }
868 
869 static inline bool omapdss_device_is_enabled(struct omap_dss_device *dssdev)
870 {
871 	return dssdev->state == OMAP_DSS_DISPLAY_ACTIVE;
872 }
873 
874 struct device_node *
875 omapdss_of_get_next_port(const struct device_node *parent,
876 			 struct device_node *prev);
877 
878 struct device_node *
879 omapdss_of_get_next_endpoint(const struct device_node *parent,
880 			     struct device_node *prev);
881 
882 struct device_node *
883 omapdss_of_get_first_endpoint(const struct device_node *parent);
884 
885 struct omap_dss_device *
886 omapdss_of_find_source_for_first_ep(struct device_node *node);
887 
888 u32 dispc_read_irqstatus(void);
889 void dispc_clear_irqstatus(u32 mask);
890 u32 dispc_read_irqenable(void);
891 void dispc_write_irqenable(u32 mask);
892 
893 int dispc_request_irq(irq_handler_t handler, void *dev_id);
894 void dispc_free_irq(void *dev_id);
895 
896 int dispc_runtime_get(void);
897 void dispc_runtime_put(void);
898 
899 void dispc_mgr_enable(enum omap_channel channel, bool enable);
900 bool dispc_mgr_is_enabled(enum omap_channel channel);
901 u32 dispc_mgr_get_vsync_irq(enum omap_channel channel);
902 u32 dispc_mgr_get_framedone_irq(enum omap_channel channel);
903 u32 dispc_mgr_get_sync_lost_irq(enum omap_channel channel);
904 bool dispc_mgr_go_busy(enum omap_channel channel);
905 void dispc_mgr_go(enum omap_channel channel);
906 void dispc_mgr_set_lcd_config(enum omap_channel channel,
907 		const struct dss_lcd_mgr_config *config);
908 void dispc_mgr_set_timings(enum omap_channel channel,
909 		const struct omap_video_timings *timings);
910 void dispc_mgr_setup(enum omap_channel channel,
911 		const struct omap_overlay_manager_info *info);
912 u32 dispc_mgr_gamma_size(enum omap_channel channel);
913 void dispc_mgr_set_gamma(enum omap_channel channel,
914 			 const struct drm_color_lut *lut,
915 			 unsigned int length);
916 
917 int dispc_ovl_enable(enum omap_plane plane, bool enable);
918 bool dispc_ovl_enabled(enum omap_plane plane);
919 void dispc_ovl_set_channel_out(enum omap_plane plane,
920 		enum omap_channel channel);
921 int dispc_ovl_setup(enum omap_plane plane, const struct omap_overlay_info *oi,
922 		bool replication, const struct omap_video_timings *mgr_timings,
923 		bool mem_to_mem);
924 
925 enum omap_dss_output_id dispc_mgr_get_supported_outputs(enum omap_channel channel);
926 
927 struct dss_mgr_ops {
928 	int (*connect)(enum omap_channel channel,
929 		struct omap_dss_device *dst);
930 	void (*disconnect)(enum omap_channel channel,
931 		struct omap_dss_device *dst);
932 
933 	void (*start_update)(enum omap_channel channel);
934 	int (*enable)(enum omap_channel channel);
935 	void (*disable)(enum omap_channel channel);
936 	void (*set_timings)(enum omap_channel channel,
937 			const struct omap_video_timings *timings);
938 	void (*set_lcd_config)(enum omap_channel channel,
939 			const struct dss_lcd_mgr_config *config);
940 	int (*register_framedone_handler)(enum omap_channel channel,
941 			void (*handler)(void *), void *data);
942 	void (*unregister_framedone_handler)(enum omap_channel channel,
943 			void (*handler)(void *), void *data);
944 };
945 
946 int dss_install_mgr_ops(const struct dss_mgr_ops *mgr_ops);
947 void dss_uninstall_mgr_ops(void);
948 
949 int dss_mgr_connect(enum omap_channel channel,
950 		struct omap_dss_device *dst);
951 void dss_mgr_disconnect(enum omap_channel channel,
952 		struct omap_dss_device *dst);
953 void dss_mgr_set_timings(enum omap_channel channel,
954 		const struct omap_video_timings *timings);
955 void dss_mgr_set_lcd_config(enum omap_channel channel,
956 		const struct dss_lcd_mgr_config *config);
957 int dss_mgr_enable(enum omap_channel channel);
958 void dss_mgr_disable(enum omap_channel channel);
959 void dss_mgr_start_update(enum omap_channel channel);
960 int dss_mgr_register_framedone_handler(enum omap_channel channel,
961 		void (*handler)(void *), void *data);
962 void dss_mgr_unregister_framedone_handler(enum omap_channel channel,
963 		void (*handler)(void *), void *data);
964 
965 #endif /* __OMAP_DRM_DSS_H */
966