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Guennadi Liakhovetski6de9edd2010-09-03 07:20:23 +00001#ifndef SH_MOBILE_LCDCFB_H
2#define SH_MOBILE_LCDCFB_H
3
4#include <linux/completion.h>
5#include <linux/fb.h>
Guennadi Liakhovetskidd210502010-09-14 14:48:54 +00006#include <linux/mutex.h>
Guennadi Liakhovetski6de9edd2010-09-03 07:20:23 +00007#include <linux/wait.h>
8
9/* per-channel registers */
10enum { LDDCKPAT1R, LDDCKPAT2R, LDMT1R, LDMT2R, LDMT3R, LDDFR, LDSM1R,
Damian Hobson-Garcia53b50312011-02-24 05:47:13 +000011 LDSM2R, LDSA1R, LDSA2R, LDMLSR, LDHCNR, LDHSYNR, LDVLNR, LDVSYNR, LDPMR,
Guennadi Liakhovetski6de9edd2010-09-03 07:20:23 +000012 LDHAJR,
13 NR_CH_REGS };
14
15#define PALETTE_NR 16
16
Alexandre Courbot3b0fd9d2011-02-16 03:49:01 +000017struct backlight_device;
Laurent Pinchartd2ccdc82011-09-11 18:15:36 +020018struct fb_info;
19struct module;
20struct sh_mobile_lcdc_entity;
21struct sh_mobile_lcdc_priv;
Laurent Pincharte34d0bb2011-09-18 12:21:17 +020022struct sh_mobile_lcdc_chan;
Laurent Pinchartd2ccdc82011-09-11 18:15:36 +020023
Laurent Pinchart458981c2011-11-28 23:19:59 +010024#define SH_MOBILE_LCDC_DISPLAY_DISCONNECTED 0
25#define SH_MOBILE_LCDC_DISPLAY_CONNECTED 1
26
Laurent Pinchartd2ccdc82011-09-11 18:15:36 +020027struct sh_mobile_lcdc_entity_ops {
28 /* Display */
Laurent Pinchart5864ace2011-09-18 12:26:50 +020029 int (*display_on)(struct sh_mobile_lcdc_entity *entity);
Laurent Pinchartd2ccdc82011-09-11 18:15:36 +020030 void (*display_off)(struct sh_mobile_lcdc_entity *entity);
31};
32
Laurent Pinchartecd29942011-09-18 14:14:46 +020033enum sh_mobile_lcdc_entity_event {
34 SH_MOBILE_LCDC_EVENT_DISPLAY_CONNECT,
35 SH_MOBILE_LCDC_EVENT_DISPLAY_DISCONNECT,
36 SH_MOBILE_LCDC_EVENT_DISPLAY_MODE,
37};
38
Laurent Pinchartd2ccdc82011-09-11 18:15:36 +020039struct sh_mobile_lcdc_entity {
40 struct module *owner;
41 const struct sh_mobile_lcdc_entity_ops *ops;
Laurent Pincharte34d0bb2011-09-18 12:21:17 +020042 struct sh_mobile_lcdc_chan *lcdc;
Laurent Pinchartd2ccdc82011-09-11 18:15:36 +020043};
Guennadi Liakhovetski6de9edd2010-09-03 07:20:23 +000044
Laurent Pinchart9a217e32011-07-13 12:13:47 +020045/*
46 * struct sh_mobile_lcdc_chan - LCDC display channel
47 *
48 * @base_addr_y: Frame buffer viewport base address (luma component)
49 * @base_addr_c: Frame buffer viewport base address (chroma component)
50 * @pitch: Frame buffer line pitch
51 */
Guennadi Liakhovetski6de9edd2010-09-03 07:20:23 +000052struct sh_mobile_lcdc_chan {
53 struct sh_mobile_lcdc_priv *lcdc;
Laurent Pinchart9a2985e2011-09-11 22:59:04 +020054 struct sh_mobile_lcdc_entity *tx_dev;
55
Guennadi Liakhovetski6de9edd2010-09-03 07:20:23 +000056 unsigned long *reg_offs;
57 unsigned long ldmt1r_value;
58 unsigned long enabled; /* ME and SE in LDCNT2R */
59 struct sh_mobile_lcdc_chan_cfg cfg;
60 u32 pseudo_palette[PALETTE_NR];
Guennadi Liakhovetski6de9edd2010-09-03 07:20:23 +000061 struct fb_info *info;
Alexandre Courbot3b0fd9d2011-02-16 03:49:01 +000062 struct backlight_device *bl;
Guennadi Liakhovetski6de9edd2010-09-03 07:20:23 +000063 dma_addr_t dma_handle;
64 struct fb_deferred_io defio;
65 struct scatterlist *sglist;
66 unsigned long frame_end;
67 unsigned long pan_offset;
68 wait_queue_head_t frame_end_wait;
69 struct completion vsync_completion;
Guennadi Liakhovetski1c120de2010-09-03 07:20:27 +000070 struct fb_var_screeninfo display_var;
Guennadi Liakhovetskidd210502010-09-14 14:48:54 +000071 int use_count;
Alexandre Courbot8857b9a2011-02-23 08:36:30 +000072 int blank_status;
Guennadi Liakhovetskidd210502010-09-14 14:48:54 +000073 struct mutex open_lock; /* protects the use counter */
Damian7caa4342011-05-18 11:10:07 +000074 int meram_enabled;
Laurent Pinchart9a217e32011-07-13 12:13:47 +020075
76 unsigned long base_addr_y;
77 unsigned long base_addr_c;
78 unsigned int pitch;
Laurent Pinchartecd29942011-09-18 14:14:46 +020079
80 int (*notify)(struct sh_mobile_lcdc_chan *ch,
81 enum sh_mobile_lcdc_entity_event event,
82 struct fb_var_screeninfo *var);
Guennadi Liakhovetski6de9edd2010-09-03 07:20:23 +000083};
84
85#endif