1 /*
2  * Copyright (C) 2008 Nokia Corporation
3  * Author: Tomi Valkeinen <tomi.valkeinen@nokia.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_OMAPDSS_H
19 #define __OMAP_OMAPDSS_H
20 
21 #include <linux/list.h>
22 #include <linux/kobject.h>
23 #include <linux/device.h>
24 
25 #define DISPC_IRQ_FRAMEDONE		(1 << 0)
26 #define DISPC_IRQ_VSYNC			(1 << 1)
27 #define DISPC_IRQ_EVSYNC_EVEN		(1 << 2)
28 #define DISPC_IRQ_EVSYNC_ODD		(1 << 3)
29 #define DISPC_IRQ_ACBIAS_COUNT_STAT	(1 << 4)
30 #define DISPC_IRQ_PROG_LINE_NUM		(1 << 5)
31 #define DISPC_IRQ_GFX_FIFO_UNDERFLOW	(1 << 6)
32 #define DISPC_IRQ_GFX_END_WIN		(1 << 7)
33 #define DISPC_IRQ_PAL_GAMMA_MASK	(1 << 8)
34 #define DISPC_IRQ_OCP_ERR		(1 << 9)
35 #define DISPC_IRQ_VID1_FIFO_UNDERFLOW	(1 << 10)
36 #define DISPC_IRQ_VID1_END_WIN		(1 << 11)
37 #define DISPC_IRQ_VID2_FIFO_UNDERFLOW	(1 << 12)
38 #define DISPC_IRQ_VID2_END_WIN		(1 << 13)
39 #define DISPC_IRQ_SYNC_LOST		(1 << 14)
40 #define DISPC_IRQ_SYNC_LOST_DIGIT	(1 << 15)
41 #define DISPC_IRQ_WAKEUP		(1 << 16)
42 #define DISPC_IRQ_SYNC_LOST2		(1 << 17)
43 #define DISPC_IRQ_VSYNC2		(1 << 18)
44 #define DISPC_IRQ_VID3_END_WIN		(1 << 19)
45 #define DISPC_IRQ_VID3_FIFO_UNDERFLOW	(1 << 20)
46 #define DISPC_IRQ_ACBIAS_COUNT_STAT2	(1 << 21)
47 #define DISPC_IRQ_FRAMEDONE2		(1 << 22)
48 #define DISPC_IRQ_FRAMEDONEWB		(1 << 23)
49 #define DISPC_IRQ_FRAMEDONETV		(1 << 24)
50 #define DISPC_IRQ_WBBUFFEROVERFLOW	(1 << 25)
51 
52 struct omap_dss_device;
53 struct omap_overlay_manager;
54 
55 enum omap_display_type {
56 	OMAP_DISPLAY_TYPE_NONE		= 0,
57 	OMAP_DISPLAY_TYPE_DPI		= 1 << 0,
58 	OMAP_DISPLAY_TYPE_DBI		= 1 << 1,
59 	OMAP_DISPLAY_TYPE_SDI		= 1 << 2,
60 	OMAP_DISPLAY_TYPE_DSI		= 1 << 3,
61 	OMAP_DISPLAY_TYPE_VENC		= 1 << 4,
62 	OMAP_DISPLAY_TYPE_HDMI		= 1 << 5,
63 };
64 
65 enum omap_plane {
66 	OMAP_DSS_GFX	= 0,
67 	OMAP_DSS_VIDEO1	= 1,
68 	OMAP_DSS_VIDEO2	= 2,
69 	OMAP_DSS_VIDEO3	= 3,
70 };
71 
72 enum omap_channel {
73 	OMAP_DSS_CHANNEL_LCD	= 0,
74 	OMAP_DSS_CHANNEL_DIGIT	= 1,
75 	OMAP_DSS_CHANNEL_LCD2	= 2,
76 };
77 
78 enum omap_color_mode {
79 	OMAP_DSS_COLOR_CLUT1	= 1 << 0,  /* BITMAP 1 */
80 	OMAP_DSS_COLOR_CLUT2	= 1 << 1,  /* BITMAP 2 */
81 	OMAP_DSS_COLOR_CLUT4	= 1 << 2,  /* BITMAP 4 */
82 	OMAP_DSS_COLOR_CLUT8	= 1 << 3,  /* BITMAP 8 */
83 	OMAP_DSS_COLOR_RGB12U	= 1 << 4,  /* RGB12, 16-bit container */
84 	OMAP_DSS_COLOR_ARGB16	= 1 << 5,  /* ARGB16 */
85 	OMAP_DSS_COLOR_RGB16	= 1 << 6,  /* RGB16 */
86 	OMAP_DSS_COLOR_RGB24U	= 1 << 7,  /* RGB24, 32-bit container */
87 	OMAP_DSS_COLOR_RGB24P	= 1 << 8,  /* RGB24, 24-bit container */
88 	OMAP_DSS_COLOR_YUV2	= 1 << 9,  /* YUV2 4:2:2 co-sited */
89 	OMAP_DSS_COLOR_UYVY	= 1 << 10, /* UYVY 4:2:2 co-sited */
90 	OMAP_DSS_COLOR_ARGB32	= 1 << 11, /* ARGB32 */
91 	OMAP_DSS_COLOR_RGBA32	= 1 << 12, /* RGBA32 */
92 	OMAP_DSS_COLOR_RGBX32	= 1 << 13, /* RGBx32 */
93 	OMAP_DSS_COLOR_NV12		= 1 << 14, /* NV12 format: YUV 4:2:0 */
94 	OMAP_DSS_COLOR_RGBA16		= 1 << 15, /* RGBA16 - 4444 */
95 	OMAP_DSS_COLOR_RGBX16		= 1 << 16, /* RGBx16 - 4444 */
96 	OMAP_DSS_COLOR_ARGB16_1555	= 1 << 17, /* ARGB16 - 1555 */
97 	OMAP_DSS_COLOR_XRGB16_1555	= 1 << 18, /* xRGB16 - 1555 */
98 };
99 
100 enum omap_lcd_display_type {
101 	OMAP_DSS_LCD_DISPLAY_STN,
102 	OMAP_DSS_LCD_DISPLAY_TFT,
103 };
104 
105 enum omap_dss_load_mode {
106 	OMAP_DSS_LOAD_CLUT_AND_FRAME	= 0,
107 	OMAP_DSS_LOAD_CLUT_ONLY		= 1,
108 	OMAP_DSS_LOAD_FRAME_ONLY	= 2,
109 	OMAP_DSS_LOAD_CLUT_ONCE_FRAME	= 3,
110 };
111 
112 enum omap_dss_trans_key_type {
113 	OMAP_DSS_COLOR_KEY_GFX_DST = 0,
114 	OMAP_DSS_COLOR_KEY_VID_SRC = 1,
115 };
116 
117 enum omap_rfbi_te_mode {
118 	OMAP_DSS_RFBI_TE_MODE_1 = 1,
119 	OMAP_DSS_RFBI_TE_MODE_2 = 2,
120 };
121 
122 enum omap_panel_config {
123 	OMAP_DSS_LCD_IVS		= 1<<0,
124 	OMAP_DSS_LCD_IHS		= 1<<1,
125 	OMAP_DSS_LCD_IPC		= 1<<2,
126 	OMAP_DSS_LCD_IEO		= 1<<3,
127 	OMAP_DSS_LCD_RF			= 1<<4,
128 	OMAP_DSS_LCD_ONOFF		= 1<<5,
129 
130 	OMAP_DSS_LCD_TFT		= 1<<20,
131 };
132 
133 enum omap_dss_venc_type {
134 	OMAP_DSS_VENC_TYPE_COMPOSITE,
135 	OMAP_DSS_VENC_TYPE_SVIDEO,
136 };
137 
138 enum omap_dss_dsi_pixel_format {
139 	OMAP_DSS_DSI_FMT_RGB888,
140 	OMAP_DSS_DSI_FMT_RGB666,
141 	OMAP_DSS_DSI_FMT_RGB666_PACKED,
142 	OMAP_DSS_DSI_FMT_RGB565,
143 };
144 
145 enum omap_dss_dsi_mode {
146 	OMAP_DSS_DSI_CMD_MODE = 0,
147 	OMAP_DSS_DSI_VIDEO_MODE,
148 };
149 
150 enum omap_display_caps {
151 	OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE	= 1 << 0,
152 	OMAP_DSS_DISPLAY_CAP_TEAR_ELIM		= 1 << 1,
153 };
154 
155 enum omap_dss_display_state {
156 	OMAP_DSS_DISPLAY_DISABLED = 0,
157 	OMAP_DSS_DISPLAY_ACTIVE,
158 	OMAP_DSS_DISPLAY_SUSPENDED,
159 };
160 
161 /* XXX perhaps this should be removed */
162 enum omap_dss_overlay_managers {
163 	OMAP_DSS_OVL_MGR_LCD,
164 	OMAP_DSS_OVL_MGR_TV,
165 	OMAP_DSS_OVL_MGR_LCD2,
166 };
167 
168 enum omap_dss_rotation_type {
169 	OMAP_DSS_ROT_DMA = 0,
170 	OMAP_DSS_ROT_VRFB = 1,
171 };
172 
173 /* clockwise rotation angle */
174 enum omap_dss_rotation_angle {
175 	OMAP_DSS_ROT_0   = 0,
176 	OMAP_DSS_ROT_90  = 1,
177 	OMAP_DSS_ROT_180 = 2,
178 	OMAP_DSS_ROT_270 = 3,
179 };
180 
181 enum omap_overlay_caps {
182 	OMAP_DSS_OVL_CAP_SCALE = 1 << 0,
183 	OMAP_DSS_OVL_CAP_GLOBAL_ALPHA = 1 << 1,
184 	OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA = 1 << 2,
185 	OMAP_DSS_OVL_CAP_ZORDER = 1 << 3,
186 };
187 
188 enum omap_overlay_manager_caps {
189 	OMAP_DSS_DUMMY_VALUE, /* add a dummy value to prevent compiler error */
190 };
191 
192 enum omap_dss_clk_source {
193 	OMAP_DSS_CLK_SRC_FCK = 0,		/* OMAP2/3: DSS1_ALWON_FCLK
194 						 * OMAP4: DSS_FCLK */
195 	OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC,	/* OMAP3: DSI1_PLL_FCLK
196 						 * OMAP4: PLL1_CLK1 */
197 	OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI,	/* OMAP3: DSI2_PLL_FCLK
198 						 * OMAP4: PLL1_CLK2 */
199 	OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC,	/* OMAP4: PLL2_CLK1 */
200 	OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI,	/* OMAP4: PLL2_CLK2 */
201 };
202 
203 enum omap_hdmi_flags {
204 	OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP = 1 << 0,
205 };
206 
207 /* RFBI */
208 
209 struct rfbi_timings {
210 	int cs_on_time;
211 	int cs_off_time;
212 	int we_on_time;
213 	int we_off_time;
214 	int re_on_time;
215 	int re_off_time;
216 	int we_cycle_time;
217 	int re_cycle_time;
218 	int cs_pulse_width;
219 	int access_time;
220 
221 	int clk_div;
222 
223 	u32 tim[5];             /* set by rfbi_convert_timings() */
224 
225 	int converted;
226 };
227 
228 void omap_rfbi_write_command(const void *buf, u32 len);
229 void omap_rfbi_read_data(void *buf, u32 len);
230 void omap_rfbi_write_data(const void *buf, u32 len);
231 void omap_rfbi_write_pixels(const void __iomem *buf, int scr_width,
232 		u16 x, u16 y,
233 		u16 w, u16 h);
234 int omap_rfbi_enable_te(bool enable, unsigned line);
235 int omap_rfbi_setup_te(enum omap_rfbi_te_mode mode,
236 			     unsigned hs_pulse_time, unsigned vs_pulse_time,
237 			     int hs_pol_inv, int vs_pol_inv, int extif_div);
238 void rfbi_bus_lock(void);
239 void rfbi_bus_unlock(void);
240 
241 /* DSI */
242 
243 struct omap_dss_dsi_videomode_data {
244 	/* DSI video mode blanking data */
245 	/* Unit: byte clock cycles */
246 	u16 hsa;
247 	u16 hfp;
248 	u16 hbp;
249 	/* Unit: line clocks */
250 	u16 vsa;
251 	u16 vfp;
252 	u16 vbp;
253 
254 	/* DSI blanking modes */
255 	int blanking_mode;
256 	int hsa_blanking_mode;
257 	int hbp_blanking_mode;
258 	int hfp_blanking_mode;
259 
260 	/* Video port sync events */
261 	int vp_de_pol;
262 	int vp_hsync_pol;
263 	int vp_vsync_pol;
264 	bool vp_vsync_end;
265 	bool vp_hsync_end;
266 
267 	bool ddr_clk_always_on;
268 	int window_sync;
269 };
270 
271 void dsi_bus_lock(struct omap_dss_device *dssdev);
272 void dsi_bus_unlock(struct omap_dss_device *dssdev);
273 int dsi_vc_dcs_write(struct omap_dss_device *dssdev, int channel, u8 *data,
274 		int len);
275 int dsi_vc_generic_write(struct omap_dss_device *dssdev, int channel, u8 *data,
276 		int len);
277 int dsi_vc_dcs_write_0(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd);
278 int dsi_vc_generic_write_0(struct omap_dss_device *dssdev, int channel);
279 int dsi_vc_dcs_write_1(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
280 		u8 param);
281 int dsi_vc_generic_write_1(struct omap_dss_device *dssdev, int channel,
282 		u8 param);
283 int dsi_vc_generic_write_2(struct omap_dss_device *dssdev, int channel,
284 		u8 param1, u8 param2);
285 int dsi_vc_dcs_write_nosync(struct omap_dss_device *dssdev, int channel,
286 		u8 *data, int len);
287 int dsi_vc_generic_write_nosync(struct omap_dss_device *dssdev, int channel,
288 		u8 *data, int len);
289 int dsi_vc_dcs_read(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
290 		u8 *buf, int buflen);
291 int dsi_vc_generic_read_0(struct omap_dss_device *dssdev, int channel, u8 *buf,
292 		int buflen);
293 int dsi_vc_generic_read_1(struct omap_dss_device *dssdev, int channel, u8 param,
294 		u8 *buf, int buflen);
295 int dsi_vc_generic_read_2(struct omap_dss_device *dssdev, int channel,
296 		u8 param1, u8 param2, u8 *buf, int buflen);
297 int dsi_vc_set_max_rx_packet_size(struct omap_dss_device *dssdev, int channel,
298 		u16 len);
299 int dsi_vc_send_null(struct omap_dss_device *dssdev, int channel);
300 int dsi_vc_send_bta_sync(struct omap_dss_device *dssdev, int channel);
301 int dsi_enable_video_output(struct omap_dss_device *dssdev, int channel);
302 void dsi_disable_video_output(struct omap_dss_device *dssdev, int channel);
303 
304 /* Board specific data */
305 struct omap_dss_board_info {
306 	int (*get_context_loss_count)(struct device *dev);
307 	int num_devices;
308 	struct omap_dss_device **devices;
309 	struct omap_dss_device *default_device;
310 	int (*dsi_enable_pads)(int dsi_id, unsigned lane_mask);
311 	void (*dsi_disable_pads)(int dsi_id, unsigned lane_mask);
312 };
313 
314 /* Init with the board info */
315 extern int omap_display_init(struct omap_dss_board_info *board_data);
316 /* HDMI mux init*/
317 extern int omap_hdmi_init(enum omap_hdmi_flags flags);
318 
319 struct omap_display_platform_data {
320 	struct omap_dss_board_info *board_data;
321 	/* TODO: Additional members to be added when PM is considered */
322 };
323 
324 struct omap_video_timings {
325 	/* Unit: pixels */
326 	u16 x_res;
327 	/* Unit: pixels */
328 	u16 y_res;
329 	/* Unit: KHz */
330 	u32 pixel_clock;
331 	/* Unit: pixel clocks */
332 	u16 hsw;	/* Horizontal synchronization pulse width */
333 	/* Unit: pixel clocks */
334 	u16 hfp;	/* Horizontal front porch */
335 	/* Unit: pixel clocks */
336 	u16 hbp;	/* Horizontal back porch */
337 	/* Unit: line clocks */
338 	u16 vsw;	/* Vertical synchronization pulse width */
339 	/* Unit: line clocks */
340 	u16 vfp;	/* Vertical front porch */
341 	/* Unit: line clocks */
342 	u16 vbp;	/* Vertical back porch */
343 };
344 
345 #ifdef CONFIG_OMAP2_DSS_VENC
346 /* Hardcoded timings for tv modes. Venc only uses these to
347  * identify the mode, and does not actually use the configs
348  * itself. However, the configs should be something that
349  * a normal monitor can also show */
350 extern const struct omap_video_timings omap_dss_pal_timings;
351 extern const struct omap_video_timings omap_dss_ntsc_timings;
352 #endif
353 
354 struct omap_dss_cpr_coefs {
355 	s16 rr, rg, rb;
356 	s16 gr, gg, gb;
357 	s16 br, bg, bb;
358 };
359 
360 struct omap_overlay_info {
361 	u32 paddr;
362 	u32 p_uv_addr;  /* for NV12 format */
363 	u16 screen_width;
364 	u16 width;
365 	u16 height;
366 	enum omap_color_mode color_mode;
367 	u8 rotation;
368 	enum omap_dss_rotation_type rotation_type;
369 	bool mirror;
370 
371 	u16 pos_x;
372 	u16 pos_y;
373 	u16 out_width;	/* if 0, out_width == width */
374 	u16 out_height;	/* if 0, out_height == height */
375 	u8 global_alpha;
376 	u8 pre_mult_alpha;
377 	u8 zorder;
378 };
379 
380 struct omap_overlay {
381 	struct kobject kobj;
382 	struct list_head list;
383 
384 	/* static fields */
385 	const char *name;
386 	enum omap_plane id;
387 	enum omap_color_mode supported_modes;
388 	enum omap_overlay_caps caps;
389 
390 	/* dynamic fields */
391 	struct omap_overlay_manager *manager;
392 
393 	/*
394 	 * The following functions do not block:
395 	 *
396 	 * is_enabled
397 	 * set_overlay_info
398 	 * get_overlay_info
399 	 *
400 	 * The rest of the functions may block and cannot be called from
401 	 * interrupt context
402 	 */
403 
404 	int (*enable)(struct omap_overlay *ovl);
405 	int (*disable)(struct omap_overlay *ovl);
406 	bool (*is_enabled)(struct omap_overlay *ovl);
407 
408 	int (*set_manager)(struct omap_overlay *ovl,
409 		struct omap_overlay_manager *mgr);
410 	int (*unset_manager)(struct omap_overlay *ovl);
411 
412 	int (*set_overlay_info)(struct omap_overlay *ovl,
413 			struct omap_overlay_info *info);
414 	void (*get_overlay_info)(struct omap_overlay *ovl,
415 			struct omap_overlay_info *info);
416 
417 	int (*wait_for_go)(struct omap_overlay *ovl);
418 };
419 
420 struct omap_overlay_manager_info {
421 	u32 default_color;
422 
423 	enum omap_dss_trans_key_type trans_key_type;
424 	u32 trans_key;
425 	bool trans_enabled;
426 
427 	bool partial_alpha_enabled;
428 
429 	bool cpr_enable;
430 	struct omap_dss_cpr_coefs cpr_coefs;
431 };
432 
433 struct omap_overlay_manager {
434 	struct kobject kobj;
435 
436 	/* static fields */
437 	const char *name;
438 	enum omap_channel id;
439 	enum omap_overlay_manager_caps caps;
440 	struct list_head overlays;
441 	enum omap_display_type supported_displays;
442 
443 	/* dynamic fields */
444 	struct omap_dss_device *device;
445 
446 	/*
447 	 * The following functions do not block:
448 	 *
449 	 * set_manager_info
450 	 * get_manager_info
451 	 * apply
452 	 *
453 	 * The rest of the functions may block and cannot be called from
454 	 * interrupt context
455 	 */
456 
457 	int (*set_device)(struct omap_overlay_manager *mgr,
458 		struct omap_dss_device *dssdev);
459 	int (*unset_device)(struct omap_overlay_manager *mgr);
460 
461 	int (*set_manager_info)(struct omap_overlay_manager *mgr,
462 			struct omap_overlay_manager_info *info);
463 	void (*get_manager_info)(struct omap_overlay_manager *mgr,
464 			struct omap_overlay_manager_info *info);
465 
466 	int (*apply)(struct omap_overlay_manager *mgr);
467 	int (*wait_for_go)(struct omap_overlay_manager *mgr);
468 	int (*wait_for_vsync)(struct omap_overlay_manager *mgr);
469 };
470 
471 struct omap_dss_device {
472 	struct device dev;
473 
474 	enum omap_display_type type;
475 
476 	enum omap_channel channel;
477 
478 	union {
479 		struct {
480 			u8 data_lines;
481 		} dpi;
482 
483 		struct {
484 			u8 channel;
485 			u8 data_lines;
486 		} rfbi;
487 
488 		struct {
489 			u8 datapairs;
490 		} sdi;
491 
492 		struct {
493 			u8 clk_lane;
494 			u8 clk_pol;
495 			u8 data1_lane;
496 			u8 data1_pol;
497 			u8 data2_lane;
498 			u8 data2_pol;
499 			u8 data3_lane;
500 			u8 data3_pol;
501 			u8 data4_lane;
502 			u8 data4_pol;
503 
504 			int module;
505 
506 			bool ext_te;
507 			u8 ext_te_gpio;
508 		} dsi;
509 
510 		struct {
511 			enum omap_dss_venc_type type;
512 			bool invert_polarity;
513 		} venc;
514 	} phy;
515 
516 	struct {
517 		struct {
518 			struct {
519 				u16 lck_div;
520 				u16 pck_div;
521 				enum omap_dss_clk_source lcd_clk_src;
522 			} channel;
523 
524 			enum omap_dss_clk_source dispc_fclk_src;
525 		} dispc;
526 
527 		struct {
528 			/* regn is one greater than TRM's REGN value */
529 			u16 regn;
530 			u16 regm;
531 			u16 regm_dispc;
532 			u16 regm_dsi;
533 
534 			u16 lp_clk_div;
535 			enum omap_dss_clk_source dsi_fclk_src;
536 		} dsi;
537 
538 		struct {
539 			/* regn is one greater than TRM's REGN value */
540 			u16 regn;
541 			u16 regm2;
542 		} hdmi;
543 	} clocks;
544 
545 	struct {
546 		struct omap_video_timings timings;
547 
548 		int acbi;	/* ac-bias pin transitions per interrupt */
549 		/* Unit: line clocks */
550 		int acb;	/* ac-bias pin frequency */
551 
552 		enum omap_panel_config config;
553 
554 		enum omap_dss_dsi_pixel_format dsi_pix_fmt;
555 		enum omap_dss_dsi_mode dsi_mode;
556 		struct omap_dss_dsi_videomode_data dsi_vm_data;
557 	} panel;
558 
559 	struct {
560 		u8 pixel_size;
561 		struct rfbi_timings rfbi_timings;
562 	} ctrl;
563 
564 	int reset_gpio;
565 
566 	int max_backlight_level;
567 
568 	const char *name;
569 
570 	/* used to match device to driver */
571 	const char *driver_name;
572 
573 	void *data;
574 
575 	struct omap_dss_driver *driver;
576 
577 	/* helper variable for driver suspend/resume */
578 	bool activate_after_resume;
579 
580 	enum omap_display_caps caps;
581 
582 	struct omap_overlay_manager *manager;
583 
584 	enum omap_dss_display_state state;
585 
586 	/* platform specific  */
587 	int (*platform_enable)(struct omap_dss_device *dssdev);
588 	void (*platform_disable)(struct omap_dss_device *dssdev);
589 	int (*set_backlight)(struct omap_dss_device *dssdev, int level);
590 	int (*get_backlight)(struct omap_dss_device *dssdev);
591 };
592 
593 struct omap_dss_hdmi_data
594 {
595 	int hpd_gpio;
596 };
597 
598 struct omap_dss_driver {
599 	struct device_driver driver;
600 
601 	int (*probe)(struct omap_dss_device *);
602 	void (*remove)(struct omap_dss_device *);
603 
604 	int (*enable)(struct omap_dss_device *display);
605 	void (*disable)(struct omap_dss_device *display);
606 	int (*suspend)(struct omap_dss_device *display);
607 	int (*resume)(struct omap_dss_device *display);
608 	int (*run_test)(struct omap_dss_device *display, int test);
609 
610 	int (*update)(struct omap_dss_device *dssdev,
611 			       u16 x, u16 y, u16 w, u16 h);
612 	int (*sync)(struct omap_dss_device *dssdev);
613 
614 	int (*enable_te)(struct omap_dss_device *dssdev, bool enable);
615 	int (*get_te)(struct omap_dss_device *dssdev);
616 
617 	u8 (*get_rotate)(struct omap_dss_device *dssdev);
618 	int (*set_rotate)(struct omap_dss_device *dssdev, u8 rotate);
619 
620 	bool (*get_mirror)(struct omap_dss_device *dssdev);
621 	int (*set_mirror)(struct omap_dss_device *dssdev, bool enable);
622 
623 	int (*memory_read)(struct omap_dss_device *dssdev,
624 			void *buf, size_t size,
625 			u16 x, u16 y, u16 w, u16 h);
626 
627 	void (*get_resolution)(struct omap_dss_device *dssdev,
628 			u16 *xres, u16 *yres);
629 	void (*get_dimensions)(struct omap_dss_device *dssdev,
630 			u32 *width, u32 *height);
631 	int (*get_recommended_bpp)(struct omap_dss_device *dssdev);
632 
633 	int (*check_timings)(struct omap_dss_device *dssdev,
634 			struct omap_video_timings *timings);
635 	void (*set_timings)(struct omap_dss_device *dssdev,
636 			struct omap_video_timings *timings);
637 	void (*get_timings)(struct omap_dss_device *dssdev,
638 			struct omap_video_timings *timings);
639 
640 	int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
641 	u32 (*get_wss)(struct omap_dss_device *dssdev);
642 
643 	int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len);
644 	bool (*detect)(struct omap_dss_device *dssdev);
645 };
646 
647 int omap_dss_register_driver(struct omap_dss_driver *);
648 void omap_dss_unregister_driver(struct omap_dss_driver *);
649 
650 void omap_dss_get_device(struct omap_dss_device *dssdev);
651 void omap_dss_put_device(struct omap_dss_device *dssdev);
652 #define for_each_dss_dev(d) while ((d = omap_dss_get_next_device(d)) != NULL)
653 struct omap_dss_device *omap_dss_get_next_device(struct omap_dss_device *from);
654 struct omap_dss_device *omap_dss_find_device(void *data,
655 		int (*match)(struct omap_dss_device *dssdev, void *data));
656 
657 int omap_dss_start_device(struct omap_dss_device *dssdev);
658 void omap_dss_stop_device(struct omap_dss_device *dssdev);
659 
660 int omap_dss_get_num_overlay_managers(void);
661 struct omap_overlay_manager *omap_dss_get_overlay_manager(int num);
662 
663 int omap_dss_get_num_overlays(void);
664 struct omap_overlay *omap_dss_get_overlay(int num);
665 
666 void omapdss_default_get_resolution(struct omap_dss_device *dssdev,
667 		u16 *xres, u16 *yres);
668 int omapdss_default_get_recommended_bpp(struct omap_dss_device *dssdev);
669 
670 typedef void (*omap_dispc_isr_t) (void *arg, u32 mask);
671 int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask);
672 int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask);
673 
674 int omap_dispc_wait_for_irq_timeout(u32 irqmask, unsigned long timeout);
675 int omap_dispc_wait_for_irq_interruptible_timeout(u32 irqmask,
676 		unsigned long timeout);
677 
678 #define to_dss_driver(x) container_of((x), struct omap_dss_driver, driver)
679 #define to_dss_device(x) container_of((x), struct omap_dss_device, dev)
680 
681 void omapdss_dsi_vc_enable_hs(struct omap_dss_device *dssdev, int channel,
682 		bool enable);
683 int omapdss_dsi_enable_te(struct omap_dss_device *dssdev, bool enable);
684 
685 int omap_dsi_update(struct omap_dss_device *dssdev, int channel,
686 		void (*callback)(int, void *), void *data);
687 int omap_dsi_request_vc(struct omap_dss_device *dssdev, int *channel);
688 int omap_dsi_set_vc_id(struct omap_dss_device *dssdev, int channel, int vc_id);
689 void omap_dsi_release_vc(struct omap_dss_device *dssdev, int channel);
690 
691 int omapdss_dsi_display_enable(struct omap_dss_device *dssdev);
692 void omapdss_dsi_display_disable(struct omap_dss_device *dssdev,
693 		bool disconnect_lanes, bool enter_ulps);
694 
695 int omapdss_dpi_display_enable(struct omap_dss_device *dssdev);
696 void omapdss_dpi_display_disable(struct omap_dss_device *dssdev);
697 void dpi_set_timings(struct omap_dss_device *dssdev,
698 			struct omap_video_timings *timings);
699 int dpi_check_timings(struct omap_dss_device *dssdev,
700 			struct omap_video_timings *timings);
701 
702 int omapdss_sdi_display_enable(struct omap_dss_device *dssdev);
703 void omapdss_sdi_display_disable(struct omap_dss_device *dssdev);
704 
705 int omapdss_rfbi_display_enable(struct omap_dss_device *dssdev);
706 void omapdss_rfbi_display_disable(struct omap_dss_device *dssdev);
707 int omap_rfbi_prepare_update(struct omap_dss_device *dssdev,
708 		u16 *x, u16 *y, u16 *w, u16 *h);
709 int omap_rfbi_update(struct omap_dss_device *dssdev,
710 		u16 x, u16 y, u16 w, u16 h,
711 		void (*callback)(void *), void *data);
712 int omap_rfbi_configure(struct omap_dss_device *dssdev, int pixel_size,
713 		int data_lines);
714 
715 #endif
716