2 * Copyright (C) 2008 Nokia Corporation
3 * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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.
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
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/>.
18 #ifndef __OMAP_OMAPDSS_H
19 #define __OMAP_OMAPDSS_H
21 #include <linux/list.h>
22 #include <linux/kobject.h>
23 #include <linux/device.h>
24 #include <linux/platform_device.h>
25 #include <asm/atomic.h>
27 #define DISPC_IRQ_FRAMEDONE (1 << 0)
28 #define DISPC_IRQ_VSYNC (1 << 1)
29 #define DISPC_IRQ_EVSYNC_EVEN (1 << 2)
30 #define DISPC_IRQ_EVSYNC_ODD (1 << 3)
31 #define DISPC_IRQ_ACBIAS_COUNT_STAT (1 << 4)
32 #define DISPC_IRQ_PROG_LINE_NUM (1 << 5)
33 #define DISPC_IRQ_GFX_FIFO_UNDERFLOW (1 << 6)
34 #define DISPC_IRQ_GFX_END_WIN (1 << 7)
35 #define DISPC_IRQ_PAL_GAMMA_MASK (1 << 8)
36 #define DISPC_IRQ_OCP_ERR (1 << 9)
37 #define DISPC_IRQ_VID1_FIFO_UNDERFLOW (1 << 10)
38 #define DISPC_IRQ_VID1_END_WIN (1 << 11)
39 #define DISPC_IRQ_VID2_FIFO_UNDERFLOW (1 << 12)
40 #define DISPC_IRQ_VID2_END_WIN (1 << 13)
41 #define DISPC_IRQ_SYNC_LOST (1 << 14)
42 #define DISPC_IRQ_SYNC_LOST_DIGIT (1 << 15)
43 #define DISPC_IRQ_WAKEUP (1 << 16)
44 #define DISPC_IRQ_SYNC_LOST2 (1 << 17)
45 #define DISPC_IRQ_VSYNC2 (1 << 18)
46 #define DISPC_IRQ_ACBIAS_COUNT_STAT2 (1 << 21)
47 #define DISPC_IRQ_FRAMEDONE2 (1 << 22)
49 struct omap_dss_device;
50 struct omap_overlay_manager;
52 enum omap_display_type {
53 OMAP_DISPLAY_TYPE_NONE = 0,
54 OMAP_DISPLAY_TYPE_DPI = 1 << 0,
55 OMAP_DISPLAY_TYPE_DBI = 1 << 1,
56 OMAP_DISPLAY_TYPE_SDI = 1 << 2,
57 OMAP_DISPLAY_TYPE_DSI = 1 << 3,
58 OMAP_DISPLAY_TYPE_VENC = 1 << 4,
59 OMAP_DISPLAY_TYPE_HDMI = 1 << 5,
69 OMAP_DSS_CHANNEL_LCD = 0,
70 OMAP_DSS_CHANNEL_DIGIT = 1,
71 OMAP_DSS_CHANNEL_LCD2 = 2,
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 */
91 enum omap_lcd_display_type {
92 OMAP_DSS_LCD_DISPLAY_STN,
93 OMAP_DSS_LCD_DISPLAY_TFT,
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,
103 enum omap_dss_trans_key_type {
104 OMAP_DSS_COLOR_KEY_GFX_DST = 0,
105 OMAP_DSS_COLOR_KEY_VID_SRC = 1,
108 enum omap_rfbi_te_mode {
109 OMAP_DSS_RFBI_TE_MODE_1 = 1,
110 OMAP_DSS_RFBI_TE_MODE_2 = 2,
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,
121 OMAP_DSS_LCD_TFT = 1<<20,
124 enum omap_dss_venc_type {
125 OMAP_DSS_VENC_TYPE_COMPOSITE,
126 OMAP_DSS_VENC_TYPE_SVIDEO,
129 enum omap_display_caps {
130 OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE = 1 << 0,
131 OMAP_DSS_DISPLAY_CAP_TEAR_ELIM = 1 << 1,
134 enum omap_dss_update_mode {
135 OMAP_DSS_UPDATE_DISABLED = 0,
136 OMAP_DSS_UPDATE_AUTO,
137 OMAP_DSS_UPDATE_MANUAL,
140 enum omap_dss_display_state {
141 OMAP_DSS_DISPLAY_DISABLED = 0,
142 OMAP_DSS_DISPLAY_ACTIVE,
143 OMAP_DSS_DISPLAY_SUSPENDED,
146 /* XXX perhaps this should be removed */
147 enum omap_dss_overlay_managers {
148 OMAP_DSS_OVL_MGR_LCD,
150 OMAP_DSS_OVL_MGR_LCD2,
153 enum omap_dss_rotation_type {
154 OMAP_DSS_ROT_DMA = 0,
155 OMAP_DSS_ROT_VRFB = 1,
158 /* clockwise rotation angle */
159 enum omap_dss_rotation_angle {
162 OMAP_DSS_ROT_180 = 2,
163 OMAP_DSS_ROT_270 = 3,
166 enum omap_overlay_caps {
167 OMAP_DSS_OVL_CAP_SCALE = 1 << 0,
168 OMAP_DSS_OVL_CAP_DISPC = 1 << 1,
171 enum omap_overlay_manager_caps {
172 OMAP_DSS_OVL_MGR_CAP_DISPC = 1 << 0,
175 enum omap_dss_clk_source {
176 OMAP_DSS_CLK_SRC_FCK = 0, /* OMAP2/3: DSS1_ALWON_FCLK
178 OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC, /* OMAP3: DSI1_PLL_FCLK
179 * OMAP4: PLL1_CLK1 */
180 OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI, /* OMAP3: DSI2_PLL_FCLK
181 * OMAP4: PLL1_CLK2 */
186 struct rfbi_timings {
200 u32 tim[5]; /* set by rfbi_convert_timings() */
205 void omap_rfbi_write_command(const void *buf, u32 len);
206 void omap_rfbi_read_data(void *buf, u32 len);
207 void omap_rfbi_write_data(const void *buf, u32 len);
208 void omap_rfbi_write_pixels(const void __iomem *buf, int scr_width,
211 int omap_rfbi_enable_te(bool enable, unsigned line);
212 int omap_rfbi_setup_te(enum omap_rfbi_te_mode mode,
213 unsigned hs_pulse_time, unsigned vs_pulse_time,
214 int hs_pol_inv, int vs_pol_inv, int extif_div);
217 void dsi_bus_lock(struct omap_dss_device *dssdev);
218 void dsi_bus_unlock(struct omap_dss_device *dssdev);
219 int dsi_vc_dcs_write(struct omap_dss_device *dssdev, int channel, u8 *data,
221 int dsi_vc_dcs_write_0(struct omap_dss_device *dssdev, int channel,
223 int dsi_vc_dcs_write_1(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
225 int dsi_vc_dcs_write_nosync(struct omap_dss_device *dssdev, int channel,
227 int dsi_vc_dcs_read(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
228 u8 *buf, int buflen);
229 int dsi_vc_dcs_read_1(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
231 int dsi_vc_dcs_read_2(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
232 u8 *data1, u8 *data2);
233 int dsi_vc_set_max_rx_packet_size(struct omap_dss_device *dssdev, int channel,
235 int dsi_vc_send_null(struct omap_dss_device *dssdev, int channel);
236 int dsi_vc_send_bta_sync(struct omap_dss_device *dssdev, int channel);
238 /* Board specific data */
239 struct omap_dss_board_info {
240 int (*get_last_off_on_transaction_id)(struct device *dev);
242 struct omap_dss_device **devices;
243 struct omap_dss_device *default_device;
244 void (*dsi_mux_pads)(bool enable);
247 #if defined(CONFIG_OMAP2_DSS_MODULE) || defined(CONFIG_OMAP2_DSS)
248 /* Init with the board info */
249 extern int omap_display_init(struct omap_dss_board_info *board_data);
251 static inline int omap_display_init(struct omap_dss_board_info *board_data)
257 struct omap_display_platform_data {
258 struct omap_dss_board_info *board_data;
259 /* TODO: Additional members to be added when PM is considered */
261 bool (*opt_clock_available)(const char *clk_role);
264 struct omap_video_timings {
271 /* Unit: pixel clocks */
272 u16 hsw; /* Horizontal synchronization pulse width */
273 /* Unit: pixel clocks */
274 u16 hfp; /* Horizontal front porch */
275 /* Unit: pixel clocks */
276 u16 hbp; /* Horizontal back porch */
277 /* Unit: line clocks */
278 u16 vsw; /* Vertical synchronization pulse width */
279 /* Unit: line clocks */
280 u16 vfp; /* Vertical front porch */
281 /* Unit: line clocks */
282 u16 vbp; /* Vertical back porch */
285 #ifdef CONFIG_OMAP2_DSS_VENC
286 /* Hardcoded timings for tv modes. Venc only uses these to
287 * identify the mode, and does not actually use the configs
288 * itself. However, the configs should be something that
289 * a normal monitor can also show */
290 extern const struct omap_video_timings omap_dss_pal_timings;
291 extern const struct omap_video_timings omap_dss_ntsc_timings;
294 struct omap_overlay_info {
302 enum omap_color_mode color_mode;
304 enum omap_dss_rotation_type rotation_type;
309 u16 out_width; /* if 0, out_width == width */
310 u16 out_height; /* if 0, out_height == height */
315 struct omap_overlay {
317 struct list_head list;
322 enum omap_color_mode supported_modes;
323 enum omap_overlay_caps caps;
326 struct omap_overlay_manager *manager;
327 struct omap_overlay_info info;
329 /* if true, info has been changed, but not applied() yet */
332 int (*set_manager)(struct omap_overlay *ovl,
333 struct omap_overlay_manager *mgr);
334 int (*unset_manager)(struct omap_overlay *ovl);
336 int (*set_overlay_info)(struct omap_overlay *ovl,
337 struct omap_overlay_info *info);
338 void (*get_overlay_info)(struct omap_overlay *ovl,
339 struct omap_overlay_info *info);
341 int (*wait_for_go)(struct omap_overlay *ovl);
344 struct omap_overlay_manager_info {
347 enum omap_dss_trans_key_type trans_key_type;
354 struct omap_overlay_manager {
356 struct list_head list;
361 enum omap_overlay_manager_caps caps;
363 struct omap_overlay **overlays;
364 enum omap_display_type supported_displays;
367 struct omap_dss_device *device;
368 struct omap_overlay_manager_info info;
371 /* if true, info has been changed but not applied() yet */
374 int (*set_device)(struct omap_overlay_manager *mgr,
375 struct omap_dss_device *dssdev);
376 int (*unset_device)(struct omap_overlay_manager *mgr);
378 int (*set_manager_info)(struct omap_overlay_manager *mgr,
379 struct omap_overlay_manager_info *info);
380 void (*get_manager_info)(struct omap_overlay_manager *mgr,
381 struct omap_overlay_manager_info *info);
383 int (*apply)(struct omap_overlay_manager *mgr);
384 int (*wait_for_go)(struct omap_overlay_manager *mgr);
385 int (*wait_for_vsync)(struct omap_overlay_manager *mgr);
387 int (*enable)(struct omap_overlay_manager *mgr);
388 int (*disable)(struct omap_overlay_manager *mgr);
391 struct omap_dss_device {
394 enum omap_display_type type;
396 enum omap_channel channel;
427 enum omap_dss_venc_type type;
428 bool invert_polarity;
437 enum omap_dss_clk_source lcd_clk_src;
440 enum omap_dss_clk_source dispc_fclk_src;
450 enum omap_dss_clk_source dsi_fclk_src;
460 struct omap_video_timings timings;
462 int acbi; /* ac-bias pin transitions per interrupt */
463 /* Unit: line clocks */
464 int acb; /* ac-bias pin frequency */
466 enum omap_panel_config config;
471 struct rfbi_timings rfbi_timings;
476 int max_backlight_level;
480 /* used to match device to driver */
481 const char *driver_name;
485 struct omap_dss_driver *driver;
487 /* helper variable for driver suspend/resume */
488 bool activate_after_resume;
490 enum omap_display_caps caps;
492 struct omap_overlay_manager *manager;
494 enum omap_dss_display_state state;
496 /* platform specific */
497 int (*platform_enable)(struct omap_dss_device *dssdev);
498 void (*platform_disable)(struct omap_dss_device *dssdev);
499 int (*set_backlight)(struct omap_dss_device *dssdev, int level);
500 int (*get_backlight)(struct omap_dss_device *dssdev);
503 struct omap_dss_driver {
504 struct device_driver driver;
506 int (*probe)(struct omap_dss_device *);
507 void (*remove)(struct omap_dss_device *);
509 int (*enable)(struct omap_dss_device *display);
510 void (*disable)(struct omap_dss_device *display);
511 int (*suspend)(struct omap_dss_device *display);
512 int (*resume)(struct omap_dss_device *display);
513 int (*run_test)(struct omap_dss_device *display, int test);
515 int (*set_update_mode)(struct omap_dss_device *dssdev,
516 enum omap_dss_update_mode);
517 enum omap_dss_update_mode (*get_update_mode)(
518 struct omap_dss_device *dssdev);
520 int (*update)(struct omap_dss_device *dssdev,
521 u16 x, u16 y, u16 w, u16 h);
522 int (*sync)(struct omap_dss_device *dssdev);
524 int (*enable_te)(struct omap_dss_device *dssdev, bool enable);
525 int (*get_te)(struct omap_dss_device *dssdev);
527 u8 (*get_rotate)(struct omap_dss_device *dssdev);
528 int (*set_rotate)(struct omap_dss_device *dssdev, u8 rotate);
530 bool (*get_mirror)(struct omap_dss_device *dssdev);
531 int (*set_mirror)(struct omap_dss_device *dssdev, bool enable);
533 int (*memory_read)(struct omap_dss_device *dssdev,
534 void *buf, size_t size,
535 u16 x, u16 y, u16 w, u16 h);
537 void (*get_resolution)(struct omap_dss_device *dssdev,
538 u16 *xres, u16 *yres);
539 void (*get_dimensions)(struct omap_dss_device *dssdev,
540 u32 *width, u32 *height);
541 int (*get_recommended_bpp)(struct omap_dss_device *dssdev);
543 int (*check_timings)(struct omap_dss_device *dssdev,
544 struct omap_video_timings *timings);
545 void (*set_timings)(struct omap_dss_device *dssdev,
546 struct omap_video_timings *timings);
547 void (*get_timings)(struct omap_dss_device *dssdev,
548 struct omap_video_timings *timings);
550 int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
551 u32 (*get_wss)(struct omap_dss_device *dssdev);
554 int omap_dss_register_driver(struct omap_dss_driver *);
555 void omap_dss_unregister_driver(struct omap_dss_driver *);
557 void omap_dss_get_device(struct omap_dss_device *dssdev);
558 void omap_dss_put_device(struct omap_dss_device *dssdev);
559 #define for_each_dss_dev(d) while ((d = omap_dss_get_next_device(d)) != NULL)
560 struct omap_dss_device *omap_dss_get_next_device(struct omap_dss_device *from);
561 struct omap_dss_device *omap_dss_find_device(void *data,
562 int (*match)(struct omap_dss_device *dssdev, void *data));
564 int omap_dss_start_device(struct omap_dss_device *dssdev);
565 void omap_dss_stop_device(struct omap_dss_device *dssdev);
567 int omap_dss_get_num_overlay_managers(void);
568 struct omap_overlay_manager *omap_dss_get_overlay_manager(int num);
570 int omap_dss_get_num_overlays(void);
571 struct omap_overlay *omap_dss_get_overlay(int num);
573 void omapdss_default_get_resolution(struct omap_dss_device *dssdev,
574 u16 *xres, u16 *yres);
575 int omapdss_default_get_recommended_bpp(struct omap_dss_device *dssdev);
577 typedef void (*omap_dispc_isr_t) (void *arg, u32 mask);
578 int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask);
579 int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask);
581 int omap_dispc_wait_for_irq_timeout(u32 irqmask, unsigned long timeout);
582 int omap_dispc_wait_for_irq_interruptible_timeout(u32 irqmask,
583 unsigned long timeout);
585 #define to_dss_driver(x) container_of((x), struct omap_dss_driver, driver)
586 #define to_dss_device(x) container_of((x), struct omap_dss_device, dev)
588 void omapdss_dsi_vc_enable_hs(struct omap_dss_device *dssdev, int channel,
590 int omapdss_dsi_enable_te(struct omap_dss_device *dssdev, bool enable);
592 int omap_dsi_prepare_update(struct omap_dss_device *dssdev,
593 u16 *x, u16 *y, u16 *w, u16 *h,
594 bool enlarge_update_area);
595 int omap_dsi_update(struct omap_dss_device *dssdev,
597 u16 x, u16 y, u16 w, u16 h,
598 void (*callback)(int, void *), void *data);
599 int omap_dsi_request_vc(struct omap_dss_device *dssdev, int *channel);
600 int omap_dsi_set_vc_id(struct omap_dss_device *dssdev, int channel, int vc_id);
601 void omap_dsi_release_vc(struct omap_dss_device *dssdev, int channel);
603 int omapdss_dsi_display_enable(struct omap_dss_device *dssdev);
604 void omapdss_dsi_display_disable(struct omap_dss_device *dssdev,
605 bool disconnect_lanes, bool enter_ulps);
607 int omapdss_dpi_display_enable(struct omap_dss_device *dssdev);
608 void omapdss_dpi_display_disable(struct omap_dss_device *dssdev);
609 void dpi_set_timings(struct omap_dss_device *dssdev,
610 struct omap_video_timings *timings);
611 int dpi_check_timings(struct omap_dss_device *dssdev,
612 struct omap_video_timings *timings);
614 int omapdss_sdi_display_enable(struct omap_dss_device *dssdev);
615 void omapdss_sdi_display_disable(struct omap_dss_device *dssdev);
617 int omapdss_rfbi_display_enable(struct omap_dss_device *dssdev);
618 void omapdss_rfbi_display_disable(struct omap_dss_device *dssdev);
619 int omap_rfbi_prepare_update(struct omap_dss_device *dssdev,
620 u16 *x, u16 *y, u16 *w, u16 *h);
621 int omap_rfbi_update(struct omap_dss_device *dssdev,
622 u16 x, u16 y, u16 w, u16 h,
623 void (*callback)(void *), void *data);