xref: /openbmc/linux/include/video/sh_mobile_lcdc.h (revision baa7eb025ab14f3cba2e35c0a8648f9c9f01d24f)
1 #ifndef __ASM_SH_MOBILE_LCDC_H__
2 #define __ASM_SH_MOBILE_LCDC_H__
3 
4 #include <linux/fb.h>
5 
6 enum {
7 	RGB8,   /* 24bpp, 8:8:8 */
8 	RGB9,   /* 18bpp, 9:9 */
9 	RGB12A, /* 24bpp, 12:12 */
10 	RGB12B, /* 12bpp */
11 	RGB16,  /* 16bpp */
12 	RGB18,  /* 18bpp */
13 	RGB24,  /* 24bpp */
14 	YUV422, /* 16bpp */
15 	SYS8A,  /* 24bpp, 8:8:8 */
16 	SYS8B,  /* 18bpp, 8:8:2 */
17 	SYS8C,  /* 18bpp, 2:8:8 */
18 	SYS8D,  /* 16bpp, 8:8 */
19 	SYS9,   /* 18bpp, 9:9 */
20 	SYS12,  /* 24bpp, 12:12 */
21 	SYS16A, /* 16bpp */
22 	SYS16B, /* 18bpp, 16:2 */
23 	SYS16C, /* 18bpp, 2:16 */
24 	SYS18,  /* 18bpp */
25 	SYS24,  /* 24bpp */
26 };
27 
28 enum { LCDC_CHAN_DISABLED = 0,
29        LCDC_CHAN_MAINLCD,
30        LCDC_CHAN_SUBLCD };
31 
32 enum { LCDC_CLK_BUS, LCDC_CLK_PERIPHERAL, LCDC_CLK_EXTERNAL };
33 
34 #define LCDC_FLAGS_DWPOL (1 << 0) /* Rising edge dot clock data latch */
35 #define LCDC_FLAGS_DIPOL (1 << 1) /* Active low display enable polarity */
36 #define LCDC_FLAGS_DAPOL (1 << 2) /* Active low display data polarity */
37 #define LCDC_FLAGS_HSCNT (1 << 3) /* Disable HSYNC during VBLANK */
38 #define LCDC_FLAGS_DWCNT (1 << 4) /* Disable dotclock during blanking */
39 
40 struct sh_mobile_lcdc_sys_bus_cfg {
41 	unsigned long ldmt2r;
42 	unsigned long ldmt3r;
43 	unsigned long deferred_io_msec;
44 };
45 
46 struct sh_mobile_lcdc_sys_bus_ops {
47 	void (*write_index)(void *handle, unsigned long data);
48 	void (*write_data)(void *handle, unsigned long data);
49 	unsigned long (*read_data)(void *handle);
50 };
51 
52 struct module;
53 struct sh_mobile_lcdc_board_cfg {
54 	struct module *owner;
55 	void *board_data;
56 	int (*setup_sys)(void *board_data, void *sys_ops_handle,
57 			 struct sh_mobile_lcdc_sys_bus_ops *sys_ops);
58 	void (*start_transfer)(void *board_data, void *sys_ops_handle,
59 			       struct sh_mobile_lcdc_sys_bus_ops *sys_ops);
60 	void (*display_on)(void *board_data, struct fb_info *info);
61 	void (*display_off)(void *board_data);
62 };
63 
64 struct sh_mobile_lcdc_lcd_size_cfg { /* width and height of panel in mm */
65 	unsigned long width;
66 	unsigned long height;
67 };
68 
69 struct sh_mobile_lcdc_chan_cfg {
70 	int chan;
71 	int bpp;
72 	int interface_type; /* selects RGBn or SYSn I/F, see above */
73 	int clock_divider;
74 	unsigned long flags; /* LCDC_FLAGS_... */
75 	const struct fb_videomode *lcd_cfg;
76 	int num_cfg;
77 	struct sh_mobile_lcdc_lcd_size_cfg lcd_size_cfg;
78 	struct sh_mobile_lcdc_board_cfg board_cfg;
79 	struct sh_mobile_lcdc_sys_bus_cfg sys_bus_cfg; /* only for SYSn I/F */
80 };
81 
82 struct sh_mobile_lcdc_info {
83 	int clock_source;
84 	struct sh_mobile_lcdc_chan_cfg ch[2];
85 };
86 
87 #endif /* __ASM_SH_MOBILE_LCDC_H__ */
88