xref: /openbmc/linux/drivers/gpu/drm/omapdrm/dss/omapdss.h (revision 023e4163)
1 /*
2  * Copyright (C) 2016 Texas Instruments Incorporated - http://www.ti.com/
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 #include <drm/drm_crtc.h>
29 
30 #define DISPC_IRQ_FRAMEDONE		(1 << 0)
31 #define DISPC_IRQ_VSYNC			(1 << 1)
32 #define DISPC_IRQ_EVSYNC_EVEN		(1 << 2)
33 #define DISPC_IRQ_EVSYNC_ODD		(1 << 3)
34 #define DISPC_IRQ_ACBIAS_COUNT_STAT	(1 << 4)
35 #define DISPC_IRQ_PROG_LINE_NUM		(1 << 5)
36 #define DISPC_IRQ_GFX_FIFO_UNDERFLOW	(1 << 6)
37 #define DISPC_IRQ_GFX_END_WIN		(1 << 7)
38 #define DISPC_IRQ_PAL_GAMMA_MASK	(1 << 8)
39 #define DISPC_IRQ_OCP_ERR		(1 << 9)
40 #define DISPC_IRQ_VID1_FIFO_UNDERFLOW	(1 << 10)
41 #define DISPC_IRQ_VID1_END_WIN		(1 << 11)
42 #define DISPC_IRQ_VID2_FIFO_UNDERFLOW	(1 << 12)
43 #define DISPC_IRQ_VID2_END_WIN		(1 << 13)
44 #define DISPC_IRQ_SYNC_LOST		(1 << 14)
45 #define DISPC_IRQ_SYNC_LOST_DIGIT	(1 << 15)
46 #define DISPC_IRQ_WAKEUP		(1 << 16)
47 #define DISPC_IRQ_SYNC_LOST2		(1 << 17)
48 #define DISPC_IRQ_VSYNC2		(1 << 18)
49 #define DISPC_IRQ_VID3_END_WIN		(1 << 19)
50 #define DISPC_IRQ_VID3_FIFO_UNDERFLOW	(1 << 20)
51 #define DISPC_IRQ_ACBIAS_COUNT_STAT2	(1 << 21)
52 #define DISPC_IRQ_FRAMEDONE2		(1 << 22)
53 #define DISPC_IRQ_FRAMEDONEWB		(1 << 23)
54 #define DISPC_IRQ_FRAMEDONETV		(1 << 24)
55 #define DISPC_IRQ_WBBUFFEROVERFLOW	(1 << 25)
56 #define DISPC_IRQ_WBUNCOMPLETEERROR	(1 << 26)
57 #define DISPC_IRQ_SYNC_LOST3		(1 << 27)
58 #define DISPC_IRQ_VSYNC3		(1 << 28)
59 #define DISPC_IRQ_ACBIAS_COUNT_STAT3	(1 << 29)
60 #define DISPC_IRQ_FRAMEDONE3		(1 << 30)
61 
62 struct dss_device;
63 struct omap_drm_private;
64 struct omap_dss_device;
65 struct dispc_device;
66 struct dss_device;
67 struct dss_lcd_mgr_config;
68 struct snd_aes_iec958;
69 struct snd_cea_861_aud_if;
70 struct hdmi_avi_infoframe;
71 
72 enum omap_display_type {
73 	OMAP_DISPLAY_TYPE_NONE		= 0,
74 	OMAP_DISPLAY_TYPE_DPI		= 1 << 0,
75 	OMAP_DISPLAY_TYPE_DBI		= 1 << 1,
76 	OMAP_DISPLAY_TYPE_SDI		= 1 << 2,
77 	OMAP_DISPLAY_TYPE_DSI		= 1 << 3,
78 	OMAP_DISPLAY_TYPE_VENC		= 1 << 4,
79 	OMAP_DISPLAY_TYPE_HDMI		= 1 << 5,
80 	OMAP_DISPLAY_TYPE_DVI		= 1 << 6,
81 };
82 
83 enum omap_plane_id {
84 	OMAP_DSS_GFX	= 0,
85 	OMAP_DSS_VIDEO1	= 1,
86 	OMAP_DSS_VIDEO2	= 2,
87 	OMAP_DSS_VIDEO3	= 3,
88 	OMAP_DSS_WB	= 4,
89 };
90 
91 enum omap_channel {
92 	OMAP_DSS_CHANNEL_LCD	= 0,
93 	OMAP_DSS_CHANNEL_DIGIT	= 1,
94 	OMAP_DSS_CHANNEL_LCD2	= 2,
95 	OMAP_DSS_CHANNEL_LCD3	= 3,
96 	OMAP_DSS_CHANNEL_WB	= 4,
97 };
98 
99 enum omap_color_mode {
100 	_UNUSED_,
101 };
102 
103 enum omap_dss_load_mode {
104 	OMAP_DSS_LOAD_CLUT_AND_FRAME	= 0,
105 	OMAP_DSS_LOAD_CLUT_ONLY		= 1,
106 	OMAP_DSS_LOAD_FRAME_ONLY	= 2,
107 	OMAP_DSS_LOAD_CLUT_ONCE_FRAME	= 3,
108 };
109 
110 enum omap_dss_trans_key_type {
111 	OMAP_DSS_COLOR_KEY_GFX_DST = 0,
112 	OMAP_DSS_COLOR_KEY_VID_SRC = 1,
113 };
114 
115 enum omap_dss_signal_level {
116 	OMAPDSS_SIG_ACTIVE_LOW,
117 	OMAPDSS_SIG_ACTIVE_HIGH,
118 };
119 
120 enum omap_dss_signal_edge {
121 	OMAPDSS_DRIVE_SIG_FALLING_EDGE,
122 	OMAPDSS_DRIVE_SIG_RISING_EDGE,
123 };
124 
125 enum omap_dss_venc_type {
126 	OMAP_DSS_VENC_TYPE_COMPOSITE,
127 	OMAP_DSS_VENC_TYPE_SVIDEO,
128 };
129 
130 enum omap_dss_dsi_pixel_format {
131 	OMAP_DSS_DSI_FMT_RGB888,
132 	OMAP_DSS_DSI_FMT_RGB666,
133 	OMAP_DSS_DSI_FMT_RGB666_PACKED,
134 	OMAP_DSS_DSI_FMT_RGB565,
135 };
136 
137 enum omap_dss_dsi_mode {
138 	OMAP_DSS_DSI_CMD_MODE = 0,
139 	OMAP_DSS_DSI_VIDEO_MODE,
140 };
141 
142 enum omap_display_caps {
143 	OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE	= 1 << 0,
144 	OMAP_DSS_DISPLAY_CAP_TEAR_ELIM		= 1 << 1,
145 };
146 
147 enum omap_dss_display_state {
148 	OMAP_DSS_DISPLAY_DISABLED = 0,
149 	OMAP_DSS_DISPLAY_ACTIVE,
150 };
151 
152 enum omap_dss_rotation_type {
153 	OMAP_DSS_ROT_NONE	= 0,
154 	OMAP_DSS_ROT_TILER	= 1 << 0,
155 };
156 
157 enum omap_overlay_caps {
158 	OMAP_DSS_OVL_CAP_SCALE = 1 << 0,
159 	OMAP_DSS_OVL_CAP_GLOBAL_ALPHA = 1 << 1,
160 	OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA = 1 << 2,
161 	OMAP_DSS_OVL_CAP_ZORDER = 1 << 3,
162 	OMAP_DSS_OVL_CAP_POS = 1 << 4,
163 	OMAP_DSS_OVL_CAP_REPLICATION = 1 << 5,
164 };
165 
166 enum omap_dss_output_id {
167 	OMAP_DSS_OUTPUT_DPI	= 1 << 0,
168 	OMAP_DSS_OUTPUT_DBI	= 1 << 1,
169 	OMAP_DSS_OUTPUT_SDI	= 1 << 2,
170 	OMAP_DSS_OUTPUT_DSI1	= 1 << 3,
171 	OMAP_DSS_OUTPUT_DSI2	= 1 << 4,
172 	OMAP_DSS_OUTPUT_VENC	= 1 << 5,
173 	OMAP_DSS_OUTPUT_HDMI	= 1 << 6,
174 };
175 
176 /* DSI */
177 
178 enum omap_dss_dsi_trans_mode {
179 	/* Sync Pulses: both sync start and end packets sent */
180 	OMAP_DSS_DSI_PULSE_MODE,
181 	/* Sync Events: only sync start packets sent */
182 	OMAP_DSS_DSI_EVENT_MODE,
183 	/* Burst: only sync start packets sent, pixels are time compressed */
184 	OMAP_DSS_DSI_BURST_MODE,
185 };
186 
187 struct omap_dss_dsi_videomode_timings {
188 	unsigned long hsclk;
189 
190 	unsigned int ndl;
191 	unsigned int bitspp;
192 
193 	/* pixels */
194 	u16 hact;
195 	/* lines */
196 	u16 vact;
197 
198 	/* DSI video mode blanking data */
199 	/* Unit: byte clock cycles */
200 	u16 hss;
201 	u16 hsa;
202 	u16 hse;
203 	u16 hfp;
204 	u16 hbp;
205 	/* Unit: line clocks */
206 	u16 vsa;
207 	u16 vfp;
208 	u16 vbp;
209 
210 	/* DSI blanking modes */
211 	int blanking_mode;
212 	int hsa_blanking_mode;
213 	int hbp_blanking_mode;
214 	int hfp_blanking_mode;
215 
216 	enum omap_dss_dsi_trans_mode trans_mode;
217 
218 	bool ddr_clk_always_on;
219 	int window_sync;
220 };
221 
222 struct omap_dss_dsi_config {
223 	enum omap_dss_dsi_mode mode;
224 	enum omap_dss_dsi_pixel_format pixel_format;
225 	const struct videomode *vm;
226 
227 	unsigned long hs_clk_min, hs_clk_max;
228 	unsigned long lp_clk_min, lp_clk_max;
229 
230 	bool ddr_clk_always_on;
231 	enum omap_dss_dsi_trans_mode trans_mode;
232 };
233 
234 struct omap_dss_cpr_coefs {
235 	s16 rr, rg, rb;
236 	s16 gr, gg, gb;
237 	s16 br, bg, bb;
238 };
239 
240 struct omap_overlay_info {
241 	dma_addr_t paddr;
242 	dma_addr_t p_uv_addr;  /* for NV12 format */
243 	u16 screen_width;
244 	u16 width;
245 	u16 height;
246 	u32 fourcc;
247 	u8 rotation;
248 	enum omap_dss_rotation_type rotation_type;
249 
250 	u16 pos_x;
251 	u16 pos_y;
252 	u16 out_width;	/* if 0, out_width == width */
253 	u16 out_height;	/* if 0, out_height == height */
254 	u8 global_alpha;
255 	u8 pre_mult_alpha;
256 	u8 zorder;
257 };
258 
259 struct omap_overlay_manager_info {
260 	u32 default_color;
261 
262 	enum omap_dss_trans_key_type trans_key_type;
263 	u32 trans_key;
264 	bool trans_enabled;
265 
266 	bool partial_alpha_enabled;
267 
268 	bool cpr_enable;
269 	struct omap_dss_cpr_coefs cpr_coefs;
270 };
271 
272 /* 22 pins means 1 clk lane and 10 data lanes */
273 #define OMAP_DSS_MAX_DSI_PINS 22
274 
275 struct omap_dsi_pin_config {
276 	int num_pins;
277 	/*
278 	 * pin numbers in the following order:
279 	 * clk+, clk-
280 	 * data1+, data1-
281 	 * data2+, data2-
282 	 * ...
283 	 */
284 	int pins[OMAP_DSS_MAX_DSI_PINS];
285 };
286 
287 struct omap_dss_writeback_info {
288 	u32 paddr;
289 	u32 p_uv_addr;
290 	u16 buf_width;
291 	u16 width;
292 	u16 height;
293 	u32 fourcc;
294 	u8 rotation;
295 	enum omap_dss_rotation_type rotation_type;
296 	u8 pre_mult_alpha;
297 };
298 
299 struct omapdss_hdmi_ops {
300 	void (*lost_hotplug)(struct omap_dss_device *dssdev);
301 	int (*set_hdmi_mode)(struct omap_dss_device *dssdev, bool hdmi_mode);
302 	int (*set_infoframe)(struct omap_dss_device *dssdev,
303 		const struct hdmi_avi_infoframe *avi);
304 };
305 
306 struct omapdss_dsi_ops {
307 	void (*disable)(struct omap_dss_device *dssdev, bool disconnect_lanes,
308 			bool enter_ulps);
309 
310 	/* bus configuration */
311 	int (*set_config)(struct omap_dss_device *dssdev,
312 			const struct omap_dss_dsi_config *cfg);
313 	int (*configure_pins)(struct omap_dss_device *dssdev,
314 			const struct omap_dsi_pin_config *pin_cfg);
315 
316 	void (*enable_hs)(struct omap_dss_device *dssdev, int channel,
317 			bool enable);
318 	int (*enable_te)(struct omap_dss_device *dssdev, bool enable);
319 
320 	int (*update)(struct omap_dss_device *dssdev, int channel,
321 			void (*callback)(int, void *), void *data);
322 
323 	void (*bus_lock)(struct omap_dss_device *dssdev);
324 	void (*bus_unlock)(struct omap_dss_device *dssdev);
325 
326 	int (*enable_video_output)(struct omap_dss_device *dssdev, int channel);
327 	void (*disable_video_output)(struct omap_dss_device *dssdev,
328 			int channel);
329 
330 	int (*request_vc)(struct omap_dss_device *dssdev, int *channel);
331 	int (*set_vc_id)(struct omap_dss_device *dssdev, int channel,
332 			int vc_id);
333 	void (*release_vc)(struct omap_dss_device *dssdev, int channel);
334 
335 	/* data transfer */
336 	int (*dcs_write)(struct omap_dss_device *dssdev, int channel,
337 			u8 *data, int len);
338 	int (*dcs_write_nosync)(struct omap_dss_device *dssdev, int channel,
339 			u8 *data, int len);
340 	int (*dcs_read)(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
341 			u8 *data, int len);
342 
343 	int (*gen_write)(struct omap_dss_device *dssdev, int channel,
344 			u8 *data, int len);
345 	int (*gen_write_nosync)(struct omap_dss_device *dssdev, int channel,
346 			u8 *data, int len);
347 	int (*gen_read)(struct omap_dss_device *dssdev, int channel,
348 			u8 *reqdata, int reqlen,
349 			u8 *data, int len);
350 
351 	int (*bta_sync)(struct omap_dss_device *dssdev, int channel);
352 
353 	int (*set_max_rx_packet_size)(struct omap_dss_device *dssdev,
354 			int channel, u16 plen);
355 };
356 
357 struct omap_dss_device_ops {
358 	int (*connect)(struct omap_dss_device *dssdev,
359 			struct omap_dss_device *dst);
360 	void (*disconnect)(struct omap_dss_device *dssdev,
361 			struct omap_dss_device *dst);
362 
363 	int (*enable)(struct omap_dss_device *dssdev);
364 	void (*disable)(struct omap_dss_device *dssdev);
365 
366 	int (*check_timings)(struct omap_dss_device *dssdev,
367 			     struct videomode *vm);
368 	void (*get_timings)(struct omap_dss_device *dssdev,
369 			    struct videomode *vm);
370 	void (*set_timings)(struct omap_dss_device *dssdev,
371 			    const struct videomode *vm);
372 
373 	bool (*detect)(struct omap_dss_device *dssdev);
374 
375 	void (*register_hpd_cb)(struct omap_dss_device *dssdev,
376 				void (*cb)(void *cb_data,
377 					  enum drm_connector_status status),
378 				void *cb_data);
379 	void (*unregister_hpd_cb)(struct omap_dss_device *dssdev);
380 
381 	int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len);
382 
383 	union {
384 		const struct omapdss_hdmi_ops hdmi;
385 		const struct omapdss_dsi_ops dsi;
386 	};
387 };
388 
389 /**
390  * enum omap_dss_device_ops_flag - Indicates which device ops are supported
391  * @OMAP_DSS_DEVICE_OP_DETECT: The device supports output connection detection
392  * @OMAP_DSS_DEVICE_OP_HPD: The device supports all hot-plug-related operations
393  * @OMAP_DSS_DEVICE_OP_EDID: The device supports readind EDID
394  */
395 enum omap_dss_device_ops_flag {
396 	OMAP_DSS_DEVICE_OP_DETECT = BIT(0),
397 	OMAP_DSS_DEVICE_OP_HPD = BIT(1),
398 	OMAP_DSS_DEVICE_OP_EDID = BIT(2),
399 };
400 
401 enum omap_dss_device_type {
402 	OMAP_DSS_DEVICE_TYPE_OUTPUT = (1 << 0),
403 	OMAP_DSS_DEVICE_TYPE_DISPLAY = (1 << 1),
404 };
405 
406 struct omap_dss_device {
407 	struct kobject kobj;
408 	struct device *dev;
409 
410 	struct module *owner;
411 
412 	struct dss_device *dss;
413 	struct omap_dss_device *src;
414 	struct omap_dss_device *dst;
415 	struct omap_dss_device *next;
416 
417 	struct list_head list;
418 
419 	unsigned int alias_id;
420 
421 	enum omap_display_type type;
422 	/*
423 	 * DSS output type that this device generates (for DSS internal devices)
424 	 * or requires (for external encoders). Must be OMAP_DISPLAY_TYPE_NONE
425 	 * for display devices (connectors and panels) and to non-zero value for
426 	 * all other devices.
427 	 */
428 	enum omap_display_type output_type;
429 
430 	const char *name;
431 
432 	const struct omap_dss_driver *driver;
433 	const struct omap_dss_device_ops *ops;
434 	unsigned long ops_flags;
435 	u32 bus_flags;
436 
437 	/* helper variable for driver suspend/resume */
438 	bool activate_after_resume;
439 
440 	enum omap_display_caps caps;
441 
442 	enum omap_dss_display_state state;
443 
444 	/* OMAP DSS output specific fields */
445 
446 	/* DISPC channel for this output */
447 	enum omap_channel dispc_channel;
448 	bool dispc_channel_connected;
449 
450 	/* output instance */
451 	enum omap_dss_output_id id;
452 
453 	/* bitmask of port numbers in DT */
454 	unsigned int of_ports;
455 };
456 
457 struct omap_dss_driver {
458 	int (*update)(struct omap_dss_device *dssdev,
459 			       u16 x, u16 y, u16 w, u16 h);
460 	int (*sync)(struct omap_dss_device *dssdev);
461 
462 	int (*enable_te)(struct omap_dss_device *dssdev, bool enable);
463 	int (*get_te)(struct omap_dss_device *dssdev);
464 
465 	int (*memory_read)(struct omap_dss_device *dssdev,
466 			void *buf, size_t size,
467 			u16 x, u16 y, u16 w, u16 h);
468 
469 	void (*get_size)(struct omap_dss_device *dssdev,
470 			 unsigned int *width, unsigned int *height);
471 };
472 
473 struct dss_device *omapdss_get_dss(void);
474 void omapdss_set_dss(struct dss_device *dss);
475 static inline bool omapdss_is_initialized(void)
476 {
477 	return !!omapdss_get_dss();
478 }
479 
480 #define for_each_dss_display(d) \
481 	while ((d = omapdss_device_get_next(d, OMAP_DSS_DEVICE_TYPE_DISPLAY)) != NULL)
482 void omapdss_display_init(struct omap_dss_device *dssdev);
483 struct omap_dss_device *omapdss_display_get(struct omap_dss_device *output);
484 
485 void omapdss_device_register(struct omap_dss_device *dssdev);
486 void omapdss_device_unregister(struct omap_dss_device *dssdev);
487 struct omap_dss_device *omapdss_device_get(struct omap_dss_device *dssdev);
488 void omapdss_device_put(struct omap_dss_device *dssdev);
489 struct omap_dss_device *omapdss_find_device_by_port(struct device_node *src,
490 						    unsigned int port);
491 struct omap_dss_device *omapdss_device_get_next(struct omap_dss_device *from,
492 						enum omap_dss_device_type type);
493 int omapdss_device_connect(struct dss_device *dss,
494 			   struct omap_dss_device *src,
495 			   struct omap_dss_device *dst);
496 void omapdss_device_disconnect(struct omap_dss_device *src,
497 			       struct omap_dss_device *dst);
498 
499 int omap_dss_get_num_overlay_managers(void);
500 
501 int omap_dss_get_num_overlays(void);
502 
503 #define for_each_dss_output(d) \
504 	while ((d = omapdss_device_get_next(d, OMAP_DSS_DEVICE_TYPE_OUTPUT)) != NULL)
505 int omapdss_output_validate(struct omap_dss_device *out);
506 
507 typedef void (*omap_dispc_isr_t) (void *arg, u32 mask);
508 int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask);
509 int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask);
510 
511 int omapdss_compat_init(void);
512 void omapdss_compat_uninit(void);
513 
514 static inline bool omapdss_device_is_connected(struct omap_dss_device *dssdev)
515 {
516 	return dssdev->src;
517 }
518 
519 static inline bool omapdss_device_is_enabled(struct omap_dss_device *dssdev)
520 {
521 	return dssdev->state == OMAP_DSS_DISPLAY_ACTIVE;
522 }
523 
524 struct omap_dss_device *
525 omapdss_of_find_connected_device(struct device_node *node, unsigned int port);
526 
527 enum dss_writeback_channel {
528 	DSS_WB_LCD1_MGR =	0,
529 	DSS_WB_LCD2_MGR =	1,
530 	DSS_WB_TV_MGR =		2,
531 	DSS_WB_OVL0 =		3,
532 	DSS_WB_OVL1 =		4,
533 	DSS_WB_OVL2 =		5,
534 	DSS_WB_OVL3 =		6,
535 	DSS_WB_LCD3_MGR =	7,
536 };
537 
538 struct dss_mgr_ops {
539 	void (*start_update)(struct omap_drm_private *priv,
540 			     enum omap_channel channel);
541 	int (*enable)(struct omap_drm_private *priv,
542 		      enum omap_channel channel);
543 	void (*disable)(struct omap_drm_private *priv,
544 			enum omap_channel channel);
545 	void (*set_timings)(struct omap_drm_private *priv,
546 			    enum omap_channel channel,
547 			    const struct videomode *vm);
548 	void (*set_lcd_config)(struct omap_drm_private *priv,
549 			       enum omap_channel channel,
550 			       const struct dss_lcd_mgr_config *config);
551 	int (*register_framedone_handler)(struct omap_drm_private *priv,
552 			enum omap_channel channel,
553 			void (*handler)(void *), void *data);
554 	void (*unregister_framedone_handler)(struct omap_drm_private *priv,
555 			enum omap_channel channel,
556 			void (*handler)(void *), void *data);
557 };
558 
559 int dss_install_mgr_ops(struct dss_device *dss,
560 			const struct dss_mgr_ops *mgr_ops,
561 			struct omap_drm_private *priv);
562 void dss_uninstall_mgr_ops(struct dss_device *dss);
563 
564 void dss_mgr_set_timings(struct omap_dss_device *dssdev,
565 		const struct videomode *vm);
566 void dss_mgr_set_lcd_config(struct omap_dss_device *dssdev,
567 		const struct dss_lcd_mgr_config *config);
568 int dss_mgr_enable(struct omap_dss_device *dssdev);
569 void dss_mgr_disable(struct omap_dss_device *dssdev);
570 void dss_mgr_start_update(struct omap_dss_device *dssdev);
571 int dss_mgr_register_framedone_handler(struct omap_dss_device *dssdev,
572 		void (*handler)(void *), void *data);
573 void dss_mgr_unregister_framedone_handler(struct omap_dss_device *dssdev,
574 		void (*handler)(void *), void *data);
575 
576 /* dispc ops */
577 
578 struct dispc_ops {
579 	u32 (*read_irqstatus)(struct dispc_device *dispc);
580 	void (*clear_irqstatus)(struct dispc_device *dispc, u32 mask);
581 	void (*write_irqenable)(struct dispc_device *dispc, u32 mask);
582 
583 	int (*request_irq)(struct dispc_device *dispc, irq_handler_t handler,
584 			   void *dev_id);
585 	void (*free_irq)(struct dispc_device *dispc, void *dev_id);
586 
587 	int (*runtime_get)(struct dispc_device *dispc);
588 	void (*runtime_put)(struct dispc_device *dispc);
589 
590 	int (*get_num_ovls)(struct dispc_device *dispc);
591 	int (*get_num_mgrs)(struct dispc_device *dispc);
592 
593 	u32 (*get_memory_bandwidth_limit)(struct dispc_device *dispc);
594 
595 	void (*mgr_enable)(struct dispc_device *dispc,
596 			   enum omap_channel channel, bool enable);
597 	bool (*mgr_is_enabled)(struct dispc_device *dispc,
598 			       enum omap_channel channel);
599 	u32 (*mgr_get_vsync_irq)(struct dispc_device *dispc,
600 				 enum omap_channel channel);
601 	u32 (*mgr_get_framedone_irq)(struct dispc_device *dispc,
602 				     enum omap_channel channel);
603 	u32 (*mgr_get_sync_lost_irq)(struct dispc_device *dispc,
604 				     enum omap_channel channel);
605 	bool (*mgr_go_busy)(struct dispc_device *dispc,
606 			    enum omap_channel channel);
607 	void (*mgr_go)(struct dispc_device *dispc, enum omap_channel channel);
608 	void (*mgr_set_lcd_config)(struct dispc_device *dispc,
609 				   enum omap_channel channel,
610 				   const struct dss_lcd_mgr_config *config);
611 	int (*mgr_check_timings)(struct dispc_device *dispc,
612 				 enum omap_channel channel,
613 				 const struct videomode *vm);
614 	void (*mgr_set_timings)(struct dispc_device *dispc,
615 				enum omap_channel channel,
616 				const struct videomode *vm);
617 	void (*mgr_setup)(struct dispc_device *dispc, enum omap_channel channel,
618 			  const struct omap_overlay_manager_info *info);
619 	u32 (*mgr_gamma_size)(struct dispc_device *dispc,
620 			      enum omap_channel channel);
621 	void (*mgr_set_gamma)(struct dispc_device *dispc,
622 			      enum omap_channel channel,
623 			      const struct drm_color_lut *lut,
624 			      unsigned int length);
625 
626 	int (*ovl_enable)(struct dispc_device *dispc, enum omap_plane_id plane,
627 			  bool enable);
628 	int (*ovl_setup)(struct dispc_device *dispc, enum omap_plane_id plane,
629 			 const struct omap_overlay_info *oi,
630 			 const struct videomode *vm, bool mem_to_mem,
631 			 enum omap_channel channel);
632 
633 	const u32 *(*ovl_get_color_modes)(struct dispc_device *dispc,
634 					  enum omap_plane_id plane);
635 
636 	u32 (*wb_get_framedone_irq)(struct dispc_device *dispc);
637 	int (*wb_setup)(struct dispc_device *dispc,
638 		const struct omap_dss_writeback_info *wi,
639 		bool mem_to_mem, const struct videomode *vm,
640 		enum dss_writeback_channel channel_in);
641 	bool (*has_writeback)(struct dispc_device *dispc);
642 	bool (*wb_go_busy)(struct dispc_device *dispc);
643 	void (*wb_go)(struct dispc_device *dispc);
644 };
645 
646 struct dispc_device *dispc_get_dispc(struct dss_device *dss);
647 const struct dispc_ops *dispc_get_ops(struct dss_device *dss);
648 
649 bool omapdss_stack_is_ready(void);
650 void omapdss_gather_components(struct device *dev);
651 
652 #endif /* __OMAP_DRM_DSS_H */
653