1#ifndef SH_MOBILE_LCDCFB_H
2#define SH_MOBILE_LCDCFB_H
3
4#include <linux/completion.h>
5#include <linux/fb.h>
6#include <linux/mutex.h>
7#include <linux/wait.h>
8
9/* per-channel registers */
10enum { LDDCKPAT1R, LDDCKPAT2R, LDMT1R, LDMT2R, LDMT3R, LDDFR, LDSM1R,
11       LDSM2R, LDSA1R, LDSA2R, LDMLSR, LDHCNR, LDHSYNR, LDVLNR, LDVSYNR, LDPMR,
12       LDHAJR,
13       NR_CH_REGS };
14
15#define PALETTE_NR 16
16
17struct backlight_device;
18struct fb_info;
19struct module;
20struct sh_mobile_lcdc_chan;
21struct sh_mobile_lcdc_entity;
22struct sh_mobile_lcdc_format_info;
23struct sh_mobile_lcdc_priv;
24
25#define SH_MOBILE_LCDC_DISPLAY_DISCONNECTED	0
26#define SH_MOBILE_LCDC_DISPLAY_CONNECTED	1
27
28struct sh_mobile_lcdc_entity_ops {
29	/* Display */
30	int (*display_on)(struct sh_mobile_lcdc_entity *entity);
31	void (*display_off)(struct sh_mobile_lcdc_entity *entity);
32};
33
34enum sh_mobile_lcdc_entity_event {
35	SH_MOBILE_LCDC_EVENT_DISPLAY_CONNECT,
36	SH_MOBILE_LCDC_EVENT_DISPLAY_DISCONNECT,
37	SH_MOBILE_LCDC_EVENT_DISPLAY_MODE,
38};
39
40struct sh_mobile_lcdc_entity {
41	struct module *owner;
42	const struct sh_mobile_lcdc_entity_ops *ops;
43	struct sh_mobile_lcdc_chan *lcdc;
44	struct fb_videomode def_mode;
45};
46
47/*
48 * struct sh_mobile_lcdc_chan - LCDC display channel
49 *
50 * @pan_y_offset: Panning linear offset in bytes (luma component)
51 * @base_addr_y: Frame buffer viewport base address (luma component)
52 * @base_addr_c: Frame buffer viewport base address (chroma component)
53 * @pitch: Frame buffer line pitch
54 */
55struct sh_mobile_lcdc_chan {
56	struct sh_mobile_lcdc_priv *lcdc;
57	struct sh_mobile_lcdc_entity *tx_dev;
58	const struct sh_mobile_lcdc_chan_cfg *cfg;
59
60	unsigned long *reg_offs;
61	unsigned long ldmt1r_value;
62	unsigned long enabled; /* ME and SE in LDCNT2R */
63	void *cache;
64
65	struct mutex open_lock;		/* protects the use counter */
66	int use_count;
67
68	void *fb_mem;
69	unsigned long fb_size;
70
71	dma_addr_t dma_handle;
72	unsigned long pan_y_offset;
73
74	unsigned long frame_end;
75	wait_queue_head_t frame_end_wait;
76	struct completion vsync_completion;
77
78	const struct sh_mobile_lcdc_format_info *format;
79	u32 colorspace;
80	unsigned int xres;
81	unsigned int xres_virtual;
82	unsigned int yres;
83	unsigned int yres_virtual;
84	unsigned int pitch;
85
86	unsigned long base_addr_y;
87	unsigned long base_addr_c;
88	unsigned int line_size;
89
90	int (*notify)(struct sh_mobile_lcdc_chan *ch,
91		      enum sh_mobile_lcdc_entity_event event,
92		      const struct fb_videomode *mode,
93		      const struct fb_monspecs *monspec);
94
95	/* Backlight */
96	struct backlight_device *bl;
97	unsigned int bl_brightness;
98
99	/* FB */
100	struct fb_info *info;
101	u32 pseudo_palette[PALETTE_NR];
102	struct {
103		unsigned int width;
104		unsigned int height;
105		struct fb_videomode mode;
106	} display;
107	struct fb_deferred_io defio;
108	struct scatterlist *sglist;
109	int blank_status;
110};
111
112#endif
113