OMAP: DSS2: LCD2 Channel Changes for DISPC
[firefly-linux-kernel-4.4.55.git] / arch / arm / plat-omap / include / plat / display.h
1 /*
2  * linux/include/asm-arm/arch-omap/display.h
3  *
4  * Copyright (C) 2008 Nokia Corporation
5  * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
6  *
7  * This program is free software; you can redistribute it and/or modify it
8  * under the terms of the GNU General Public License version 2 as published by
9  * the Free Software Foundation.
10  *
11  * This program is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
14  * more details.
15  *
16  * You should have received a copy of the GNU General Public License along with
17  * this program.  If not, see <http://www.gnu.org/licenses/>.
18  */
19
20 #ifndef __ASM_ARCH_OMAP_DISPLAY_H
21 #define __ASM_ARCH_OMAP_DISPLAY_H
22
23 #include <linux/list.h>
24 #include <linux/kobject.h>
25 #include <linux/device.h>
26 #include <asm/atomic.h>
27
28 #define DISPC_IRQ_FRAMEDONE             (1 << 0)
29 #define DISPC_IRQ_VSYNC                 (1 << 1)
30 #define DISPC_IRQ_EVSYNC_EVEN           (1 << 2)
31 #define DISPC_IRQ_EVSYNC_ODD            (1 << 3)
32 #define DISPC_IRQ_ACBIAS_COUNT_STAT     (1 << 4)
33 #define DISPC_IRQ_PROG_LINE_NUM         (1 << 5)
34 #define DISPC_IRQ_GFX_FIFO_UNDERFLOW    (1 << 6)
35 #define DISPC_IRQ_GFX_END_WIN           (1 << 7)
36 #define DISPC_IRQ_PAL_GAMMA_MASK        (1 << 8)
37 #define DISPC_IRQ_OCP_ERR               (1 << 9)
38 #define DISPC_IRQ_VID1_FIFO_UNDERFLOW   (1 << 10)
39 #define DISPC_IRQ_VID1_END_WIN          (1 << 11)
40 #define DISPC_IRQ_VID2_FIFO_UNDERFLOW   (1 << 12)
41 #define DISPC_IRQ_VID2_END_WIN          (1 << 13)
42 #define DISPC_IRQ_SYNC_LOST             (1 << 14)
43 #define DISPC_IRQ_SYNC_LOST_DIGIT       (1 << 15)
44 #define DISPC_IRQ_WAKEUP                (1 << 16)
45 #define DISPC_IRQ_SYNC_LOST2            (1 << 17)
46 #define DISPC_IRQ_VSYNC2                (1 << 18)
47 #define DISPC_IRQ_ACBIAS_COUNT_STAT2    (1 << 21)
48 #define DISPC_IRQ_FRAMEDONE2            (1 << 22)
49
50 struct omap_dss_device;
51 struct omap_overlay_manager;
52
53 enum omap_display_type {
54         OMAP_DISPLAY_TYPE_NONE          = 0,
55         OMAP_DISPLAY_TYPE_DPI           = 1 << 0,
56         OMAP_DISPLAY_TYPE_DBI           = 1 << 1,
57         OMAP_DISPLAY_TYPE_SDI           = 1 << 2,
58         OMAP_DISPLAY_TYPE_DSI           = 1 << 3,
59         OMAP_DISPLAY_TYPE_VENC          = 1 << 4,
60 };
61
62 enum omap_plane {
63         OMAP_DSS_GFX    = 0,
64         OMAP_DSS_VIDEO1 = 1,
65         OMAP_DSS_VIDEO2 = 2
66 };
67
68 enum omap_channel {
69         OMAP_DSS_CHANNEL_LCD    = 0,
70         OMAP_DSS_CHANNEL_DIGIT  = 1,
71         OMAP_DSS_CHANNEL_LCD2   = 2,
72 };
73
74 enum omap_color_mode {
75         OMAP_DSS_COLOR_CLUT1    = 1 << 0,  /* BITMAP 1 */
76         OMAP_DSS_COLOR_CLUT2    = 1 << 1,  /* BITMAP 2 */
77         OMAP_DSS_COLOR_CLUT4    = 1 << 2,  /* BITMAP 4 */
78         OMAP_DSS_COLOR_CLUT8    = 1 << 3,  /* BITMAP 8 */
79         OMAP_DSS_COLOR_RGB12U   = 1 << 4,  /* RGB12, 16-bit container */
80         OMAP_DSS_COLOR_ARGB16   = 1 << 5,  /* ARGB16 */
81         OMAP_DSS_COLOR_RGB16    = 1 << 6,  /* RGB16 */
82         OMAP_DSS_COLOR_RGB24U   = 1 << 7,  /* RGB24, 32-bit container */
83         OMAP_DSS_COLOR_RGB24P   = 1 << 8,  /* RGB24, 24-bit container */
84         OMAP_DSS_COLOR_YUV2     = 1 << 9,  /* YUV2 4:2:2 co-sited */
85         OMAP_DSS_COLOR_UYVY     = 1 << 10, /* UYVY 4:2:2 co-sited */
86         OMAP_DSS_COLOR_ARGB32   = 1 << 11, /* ARGB32 */
87         OMAP_DSS_COLOR_RGBA32   = 1 << 12, /* RGBA32 */
88         OMAP_DSS_COLOR_RGBX32   = 1 << 13, /* RGBx32 */
89 };
90
91 enum omap_lcd_display_type {
92         OMAP_DSS_LCD_DISPLAY_STN,
93         OMAP_DSS_LCD_DISPLAY_TFT,
94 };
95
96 enum omap_dss_load_mode {
97         OMAP_DSS_LOAD_CLUT_AND_FRAME    = 0,
98         OMAP_DSS_LOAD_CLUT_ONLY         = 1,
99         OMAP_DSS_LOAD_FRAME_ONLY        = 2,
100         OMAP_DSS_LOAD_CLUT_ONCE_FRAME   = 3,
101 };
102
103 enum omap_dss_trans_key_type {
104         OMAP_DSS_COLOR_KEY_GFX_DST = 0,
105         OMAP_DSS_COLOR_KEY_VID_SRC = 1,
106 };
107
108 enum omap_rfbi_te_mode {
109         OMAP_DSS_RFBI_TE_MODE_1 = 1,
110         OMAP_DSS_RFBI_TE_MODE_2 = 2,
111 };
112
113 enum omap_panel_config {
114         OMAP_DSS_LCD_IVS                = 1<<0,
115         OMAP_DSS_LCD_IHS                = 1<<1,
116         OMAP_DSS_LCD_IPC                = 1<<2,
117         OMAP_DSS_LCD_IEO                = 1<<3,
118         OMAP_DSS_LCD_RF                 = 1<<4,
119         OMAP_DSS_LCD_ONOFF              = 1<<5,
120
121         OMAP_DSS_LCD_TFT                = 1<<20,
122 };
123
124 enum omap_dss_venc_type {
125         OMAP_DSS_VENC_TYPE_COMPOSITE,
126         OMAP_DSS_VENC_TYPE_SVIDEO,
127 };
128
129 enum omap_display_caps {
130         OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE      = 1 << 0,
131         OMAP_DSS_DISPLAY_CAP_TEAR_ELIM          = 1 << 1,
132 };
133
134 enum omap_dss_update_mode {
135         OMAP_DSS_UPDATE_DISABLED = 0,
136         OMAP_DSS_UPDATE_AUTO,
137         OMAP_DSS_UPDATE_MANUAL,
138 };
139
140 enum omap_dss_display_state {
141         OMAP_DSS_DISPLAY_DISABLED = 0,
142         OMAP_DSS_DISPLAY_ACTIVE,
143         OMAP_DSS_DISPLAY_SUSPENDED,
144 };
145
146 /* XXX perhaps this should be removed */
147 enum omap_dss_overlay_managers {
148         OMAP_DSS_OVL_MGR_LCD,
149         OMAP_DSS_OVL_MGR_TV,
150         OMAP_DSS_OVL_MGR_LCD2,
151 };
152
153 enum omap_dss_rotation_type {
154         OMAP_DSS_ROT_DMA = 0,
155         OMAP_DSS_ROT_VRFB = 1,
156 };
157
158 /* clockwise rotation angle */
159 enum omap_dss_rotation_angle {
160         OMAP_DSS_ROT_0   = 0,
161         OMAP_DSS_ROT_90  = 1,
162         OMAP_DSS_ROT_180 = 2,
163         OMAP_DSS_ROT_270 = 3,
164 };
165
166 enum omap_overlay_caps {
167         OMAP_DSS_OVL_CAP_SCALE = 1 << 0,
168         OMAP_DSS_OVL_CAP_DISPC = 1 << 1,
169 };
170
171 enum omap_overlay_manager_caps {
172         OMAP_DSS_OVL_MGR_CAP_DISPC = 1 << 0,
173 };
174
175 /* RFBI */
176
177 struct rfbi_timings {
178         int cs_on_time;
179         int cs_off_time;
180         int we_on_time;
181         int we_off_time;
182         int re_on_time;
183         int re_off_time;
184         int we_cycle_time;
185         int re_cycle_time;
186         int cs_pulse_width;
187         int access_time;
188
189         int clk_div;
190
191         u32 tim[5];             /* set by rfbi_convert_timings() */
192
193         int converted;
194 };
195
196 void omap_rfbi_write_command(const void *buf, u32 len);
197 void omap_rfbi_read_data(void *buf, u32 len);
198 void omap_rfbi_write_data(const void *buf, u32 len);
199 void omap_rfbi_write_pixels(const void __iomem *buf, int scr_width,
200                 u16 x, u16 y,
201                 u16 w, u16 h);
202 int omap_rfbi_enable_te(bool enable, unsigned line);
203 int omap_rfbi_setup_te(enum omap_rfbi_te_mode mode,
204                              unsigned hs_pulse_time, unsigned vs_pulse_time,
205                              int hs_pol_inv, int vs_pol_inv, int extif_div);
206
207 /* DSI */
208 void dsi_bus_lock(void);
209 void dsi_bus_unlock(void);
210 int dsi_vc_dcs_write(int channel, u8 *data, int len);
211 int dsi_vc_dcs_write_0(int channel, u8 dcs_cmd);
212 int dsi_vc_dcs_write_1(int channel, u8 dcs_cmd, u8 param);
213 int dsi_vc_dcs_write_nosync(int channel, u8 *data, int len);
214 int dsi_vc_dcs_read(int channel, u8 dcs_cmd, u8 *buf, int buflen);
215 int dsi_vc_dcs_read_1(int channel, u8 dcs_cmd, u8 *data);
216 int dsi_vc_dcs_read_2(int channel, u8 dcs_cmd, u8 *data1, u8 *data2);
217 int dsi_vc_set_max_rx_packet_size(int channel, u16 len);
218 int dsi_vc_send_null(int channel);
219 int dsi_vc_send_bta_sync(int channel);
220
221 /* Board specific data */
222 struct omap_dss_board_info {
223         int (*get_last_off_on_transaction_id)(struct device *dev);
224         int num_devices;
225         struct omap_dss_device **devices;
226         struct omap_dss_device *default_device;
227 };
228
229 struct omap_video_timings {
230         /* Unit: pixels */
231         u16 x_res;
232         /* Unit: pixels */
233         u16 y_res;
234         /* Unit: KHz */
235         u32 pixel_clock;
236         /* Unit: pixel clocks */
237         u16 hsw;        /* Horizontal synchronization pulse width */
238         /* Unit: pixel clocks */
239         u16 hfp;        /* Horizontal front porch */
240         /* Unit: pixel clocks */
241         u16 hbp;        /* Horizontal back porch */
242         /* Unit: line clocks */
243         u16 vsw;        /* Vertical synchronization pulse width */
244         /* Unit: line clocks */
245         u16 vfp;        /* Vertical front porch */
246         /* Unit: line clocks */
247         u16 vbp;        /* Vertical back porch */
248 };
249
250 #ifdef CONFIG_OMAP2_DSS_VENC
251 /* Hardcoded timings for tv modes. Venc only uses these to
252  * identify the mode, and does not actually use the configs
253  * itself. However, the configs should be something that
254  * a normal monitor can also show */
255 extern const struct omap_video_timings omap_dss_pal_timings;
256 extern const struct omap_video_timings omap_dss_ntsc_timings;
257 #endif
258
259 struct omap_overlay_info {
260         bool enabled;
261
262         u32 paddr;
263         void __iomem *vaddr;
264         u16 screen_width;
265         u16 width;
266         u16 height;
267         enum omap_color_mode color_mode;
268         u8 rotation;
269         enum omap_dss_rotation_type rotation_type;
270         bool mirror;
271
272         u16 pos_x;
273         u16 pos_y;
274         u16 out_width;  /* if 0, out_width == width */
275         u16 out_height; /* if 0, out_height == height */
276         u8 global_alpha;
277         u8 pre_mult_alpha;
278 };
279
280 struct omap_overlay {
281         struct kobject kobj;
282         struct list_head list;
283
284         /* static fields */
285         const char *name;
286         int id;
287         enum omap_color_mode supported_modes;
288         enum omap_overlay_caps caps;
289
290         /* dynamic fields */
291         struct omap_overlay_manager *manager;
292         struct omap_overlay_info info;
293
294         /* if true, info has been changed, but not applied() yet */
295         bool info_dirty;
296
297         int (*set_manager)(struct omap_overlay *ovl,
298                 struct omap_overlay_manager *mgr);
299         int (*unset_manager)(struct omap_overlay *ovl);
300
301         int (*set_overlay_info)(struct omap_overlay *ovl,
302                         struct omap_overlay_info *info);
303         void (*get_overlay_info)(struct omap_overlay *ovl,
304                         struct omap_overlay_info *info);
305
306         int (*wait_for_go)(struct omap_overlay *ovl);
307 };
308
309 struct omap_overlay_manager_info {
310         u32 default_color;
311
312         enum omap_dss_trans_key_type trans_key_type;
313         u32 trans_key;
314         bool trans_enabled;
315
316         bool alpha_enabled;
317 };
318
319 struct omap_overlay_manager {
320         struct kobject kobj;
321         struct list_head list;
322
323         /* static fields */
324         const char *name;
325         int id;
326         enum omap_overlay_manager_caps caps;
327         int num_overlays;
328         struct omap_overlay **overlays;
329         enum omap_display_type supported_displays;
330
331         /* dynamic fields */
332         struct omap_dss_device *device;
333         struct omap_overlay_manager_info info;
334
335         bool device_changed;
336         /* if true, info has been changed but not applied() yet */
337         bool info_dirty;
338
339         int (*set_device)(struct omap_overlay_manager *mgr,
340                 struct omap_dss_device *dssdev);
341         int (*unset_device)(struct omap_overlay_manager *mgr);
342
343         int (*set_manager_info)(struct omap_overlay_manager *mgr,
344                         struct omap_overlay_manager_info *info);
345         void (*get_manager_info)(struct omap_overlay_manager *mgr,
346                         struct omap_overlay_manager_info *info);
347
348         int (*apply)(struct omap_overlay_manager *mgr);
349         int (*wait_for_go)(struct omap_overlay_manager *mgr);
350         int (*wait_for_vsync)(struct omap_overlay_manager *mgr);
351
352         int (*enable)(struct omap_overlay_manager *mgr);
353         int (*disable)(struct omap_overlay_manager *mgr);
354 };
355
356 struct omap_dss_device {
357         struct device dev;
358
359         enum omap_display_type type;
360
361         union {
362                 struct {
363                         u8 data_lines;
364                 } dpi;
365
366                 struct {
367                         u8 channel;
368                         u8 data_lines;
369                 } rfbi;
370
371                 struct {
372                         u8 datapairs;
373                 } sdi;
374
375                 struct {
376                         u8 clk_lane;
377                         u8 clk_pol;
378                         u8 data1_lane;
379                         u8 data1_pol;
380                         u8 data2_lane;
381                         u8 data2_pol;
382
383                         struct {
384                                 u16 regn;
385                                 u16 regm;
386                                 u16 regm3;
387                                 u16 regm4;
388
389                                 u16 lp_clk_div;
390
391                                 u16 lck_div;
392                                 u16 pck_div;
393                         } div;
394
395                         bool ext_te;
396                         u8 ext_te_gpio;
397                 } dsi;
398
399                 struct {
400                         enum omap_dss_venc_type type;
401                         bool invert_polarity;
402                 } venc;
403         } phy;
404
405         struct {
406                 struct omap_video_timings timings;
407
408                 int acbi;       /* ac-bias pin transitions per interrupt */
409                 /* Unit: line clocks */
410                 int acb;        /* ac-bias pin frequency */
411
412                 enum omap_panel_config config;
413         } panel;
414
415         struct {
416                 u8 pixel_size;
417                 struct rfbi_timings rfbi_timings;
418         } ctrl;
419
420         int reset_gpio;
421
422         int max_backlight_level;
423
424         const char *name;
425
426         /* used to match device to driver */
427         const char *driver_name;
428
429         void *data;
430
431         struct omap_dss_driver *driver;
432
433         /* helper variable for driver suspend/resume */
434         bool activate_after_resume;
435
436         enum omap_display_caps caps;
437
438         struct omap_overlay_manager *manager;
439
440         enum omap_dss_display_state state;
441
442         /* platform specific  */
443         int (*platform_enable)(struct omap_dss_device *dssdev);
444         void (*platform_disable)(struct omap_dss_device *dssdev);
445         int (*set_backlight)(struct omap_dss_device *dssdev, int level);
446         int (*get_backlight)(struct omap_dss_device *dssdev);
447 };
448
449 struct omap_dss_driver {
450         struct device_driver driver;
451
452         int (*probe)(struct omap_dss_device *);
453         void (*remove)(struct omap_dss_device *);
454
455         int (*enable)(struct omap_dss_device *display);
456         void (*disable)(struct omap_dss_device *display);
457         int (*suspend)(struct omap_dss_device *display);
458         int (*resume)(struct omap_dss_device *display);
459         int (*run_test)(struct omap_dss_device *display, int test);
460
461         int (*set_update_mode)(struct omap_dss_device *dssdev,
462                         enum omap_dss_update_mode);
463         enum omap_dss_update_mode (*get_update_mode)(
464                         struct omap_dss_device *dssdev);
465
466         int (*update)(struct omap_dss_device *dssdev,
467                                u16 x, u16 y, u16 w, u16 h);
468         int (*sync)(struct omap_dss_device *dssdev);
469
470         int (*enable_te)(struct omap_dss_device *dssdev, bool enable);
471         int (*get_te)(struct omap_dss_device *dssdev);
472
473         u8 (*get_rotate)(struct omap_dss_device *dssdev);
474         int (*set_rotate)(struct omap_dss_device *dssdev, u8 rotate);
475
476         bool (*get_mirror)(struct omap_dss_device *dssdev);
477         int (*set_mirror)(struct omap_dss_device *dssdev, bool enable);
478
479         int (*memory_read)(struct omap_dss_device *dssdev,
480                         void *buf, size_t size,
481                         u16 x, u16 y, u16 w, u16 h);
482
483         void (*get_resolution)(struct omap_dss_device *dssdev,
484                         u16 *xres, u16 *yres);
485         int (*get_recommended_bpp)(struct omap_dss_device *dssdev);
486
487         int (*check_timings)(struct omap_dss_device *dssdev,
488                         struct omap_video_timings *timings);
489         void (*set_timings)(struct omap_dss_device *dssdev,
490                         struct omap_video_timings *timings);
491         void (*get_timings)(struct omap_dss_device *dssdev,
492                         struct omap_video_timings *timings);
493
494         int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
495         u32 (*get_wss)(struct omap_dss_device *dssdev);
496 };
497
498 int omap_dss_register_driver(struct omap_dss_driver *);
499 void omap_dss_unregister_driver(struct omap_dss_driver *);
500
501 int omap_dss_register_device(struct omap_dss_device *);
502 void omap_dss_unregister_device(struct omap_dss_device *);
503
504 void omap_dss_get_device(struct omap_dss_device *dssdev);
505 void omap_dss_put_device(struct omap_dss_device *dssdev);
506 #define for_each_dss_dev(d) while ((d = omap_dss_get_next_device(d)) != NULL)
507 struct omap_dss_device *omap_dss_get_next_device(struct omap_dss_device *from);
508 struct omap_dss_device *omap_dss_find_device(void *data,
509                 int (*match)(struct omap_dss_device *dssdev, void *data));
510
511 int omap_dss_start_device(struct omap_dss_device *dssdev);
512 void omap_dss_stop_device(struct omap_dss_device *dssdev);
513
514 int omap_dss_get_num_overlay_managers(void);
515 struct omap_overlay_manager *omap_dss_get_overlay_manager(int num);
516
517 int omap_dss_get_num_overlays(void);
518 struct omap_overlay *omap_dss_get_overlay(int num);
519
520 void omapdss_default_get_resolution(struct omap_dss_device *dssdev,
521                 u16 *xres, u16 *yres);
522 int omapdss_default_get_recommended_bpp(struct omap_dss_device *dssdev);
523
524 typedef void (*omap_dispc_isr_t) (void *arg, u32 mask);
525 int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask);
526 int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask);
527
528 int omap_dispc_wait_for_irq_timeout(u32 irqmask, unsigned long timeout);
529 int omap_dispc_wait_for_irq_interruptible_timeout(u32 irqmask,
530                 unsigned long timeout);
531
532 #define to_dss_driver(x) container_of((x), struct omap_dss_driver, driver)
533 #define to_dss_device(x) container_of((x), struct omap_dss_device, dev)
534
535 void omapdss_dsi_vc_enable_hs(int channel, bool enable);
536 int omapdss_dsi_enable_te(struct omap_dss_device *dssdev, bool enable);
537
538 int omap_dsi_prepare_update(struct omap_dss_device *dssdev,
539                                     u16 *x, u16 *y, u16 *w, u16 *h,
540                                     bool enlarge_update_area);
541 int omap_dsi_update(struct omap_dss_device *dssdev,
542                 int channel,
543                 u16 x, u16 y, u16 w, u16 h,
544                 void (*callback)(int, void *), void *data);
545
546 int omapdss_dsi_display_enable(struct omap_dss_device *dssdev);
547 void omapdss_dsi_display_disable(struct omap_dss_device *dssdev);
548
549 int omapdss_dpi_display_enable(struct omap_dss_device *dssdev);
550 void omapdss_dpi_display_disable(struct omap_dss_device *dssdev);
551 void dpi_set_timings(struct omap_dss_device *dssdev,
552                         struct omap_video_timings *timings);
553 int dpi_check_timings(struct omap_dss_device *dssdev,
554                         struct omap_video_timings *timings);
555
556 int omapdss_sdi_display_enable(struct omap_dss_device *dssdev);
557 void omapdss_sdi_display_disable(struct omap_dss_device *dssdev);
558
559 int omapdss_rfbi_display_enable(struct omap_dss_device *dssdev);
560 void omapdss_rfbi_display_disable(struct omap_dss_device *dssdev);
561 int omap_rfbi_prepare_update(struct omap_dss_device *dssdev,
562                 u16 *x, u16 *y, u16 *w, u16 *h);
563 int omap_rfbi_update(struct omap_dss_device *dssdev,
564                 u16 x, u16 y, u16 w, u16 h,
565                 void (*callback)(void *), void *data);
566
567 #endif