1 #ifndef __VIDEO_SH_MOBILE_MERAM_H__
2 #define __VIDEO_SH_MOBILE_MERAM_H__
3 
4 /* For sh_mobile_meram_info.addr_mode */
5 enum {
6 	SH_MOBILE_MERAM_MODE0 = 0,
7 	SH_MOBILE_MERAM_MODE1
8 };
9 
10 enum {
11 	SH_MOBILE_MERAM_PF_NV = 0,
12 	SH_MOBILE_MERAM_PF_RGB,
13 	SH_MOBILE_MERAM_PF_NV24
14 };
15 
16 
17 struct sh_mobile_meram_priv;
18 struct sh_mobile_meram_ops;
19 
20 /*
21  * struct sh_mobile_meram_info - MERAM platform data
22  * @reserved_icbs: Bitmask of reserved ICBs (for instance used through UIO)
23  */
24 struct sh_mobile_meram_info {
25 	int				addr_mode;
26 	u32				reserved_icbs;
27 	struct sh_mobile_meram_ops	*ops;
28 	struct sh_mobile_meram_priv	*priv;
29 	struct platform_device		*pdev;
30 };
31 
32 /* icb config */
33 struct sh_mobile_meram_icb_cfg {
34 	unsigned int meram_size;	/* MERAM Buffer Size to use */
35 };
36 
37 struct sh_mobile_meram_cfg {
38 	struct sh_mobile_meram_icb_cfg icb[2];
39 };
40 
41 struct module;
42 struct sh_mobile_meram_ops {
43 	struct module	*module;
44 	/* register usage of meram */
45 	void *(*meram_register)(struct sh_mobile_meram_info *meram_dev,
46 				const struct sh_mobile_meram_cfg *cfg,
47 				unsigned int xres, unsigned int yres,
48 				unsigned int pixelformat,
49 				unsigned int *pitch);
50 
51 	/* unregister usage of meram */
52 	void (*meram_unregister)(struct sh_mobile_meram_info *meram_dev,
53 				 void *data);
54 
55 	/* update meram settings */
56 	void (*meram_update)(struct sh_mobile_meram_info *meram_dev, void *data,
57 			     unsigned long base_addr_y,
58 			     unsigned long base_addr_c,
59 			     unsigned long *icb_addr_y,
60 			     unsigned long *icb_addr_c);
61 };
62 
63 #endif /* __VIDEO_SH_MOBILE_MERAM_H__  */
64