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
19 /*
20 * struct sh_mobile_meram_info - MERAM platform data
21 * @reserved_icbs: Bitmask of reserved ICBs (for instance used through UIO)
22 */
23 struct sh_mobile_meram_info {
24 int addr_mode;
25 u32 reserved_icbs;
26 struct sh_mobile_meram_priv *priv;
27 struct platform_device *pdev;
28 };
29
30 /* icb config */
31 struct sh_mobile_meram_icb_cfg {
32 unsigned int meram_size; /* MERAM Buffer Size to use */
33 };
34
35 struct sh_mobile_meram_cfg {
36 struct sh_mobile_meram_icb_cfg icb[2];
37 };
38
39 #if defined(CONFIG_FB_SH_MOBILE_MERAM) || \
40 defined(CONFIG_FB_SH_MOBILE_MERAM_MODULE)
41 unsigned long sh_mobile_meram_alloc(struct sh_mobile_meram_info *meram_dev,
42 size_t size);
43 void sh_mobile_meram_free(struct sh_mobile_meram_info *meram_dev,
44 unsigned long mem, size_t size);
45 void *sh_mobile_meram_cache_alloc(struct sh_mobile_meram_info *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 void sh_mobile_meram_cache_free(struct sh_mobile_meram_info *dev, void *data);
51 void sh_mobile_meram_cache_update(struct sh_mobile_meram_info *dev, void *data,
52 unsigned long base_addr_y,
53 unsigned long base_addr_c,
54 unsigned long *icb_addr_y,
55 unsigned long *icb_addr_c);
56 #else
57 static inline unsigned long
sh_mobile_meram_alloc(struct sh_mobile_meram_info * meram_dev,size_t size)58 sh_mobile_meram_alloc(struct sh_mobile_meram_info *meram_dev, size_t size)
59 {
60 return 0;
61 }
62
63 static inline void
sh_mobile_meram_free(struct sh_mobile_meram_info * meram_dev,unsigned long mem,size_t size)64 sh_mobile_meram_free(struct sh_mobile_meram_info *meram_dev,
65 unsigned long mem, size_t size)
66 {
67 }
68
69 static inline void *
sh_mobile_meram_cache_alloc(struct sh_mobile_meram_info * dev,const struct sh_mobile_meram_cfg * cfg,unsigned int xres,unsigned int yres,unsigned int pixelformat,unsigned int * pitch)70 sh_mobile_meram_cache_alloc(struct sh_mobile_meram_info *dev,
71 const struct sh_mobile_meram_cfg *cfg,
72 unsigned int xres, unsigned int yres,
73 unsigned int pixelformat,
74 unsigned int *pitch)
75 {
76 return ERR_PTR(-ENODEV);
77 }
78
79 static inline void
sh_mobile_meram_cache_free(struct sh_mobile_meram_info * dev,void * data)80 sh_mobile_meram_cache_free(struct sh_mobile_meram_info *dev, void *data)
81 {
82 }
83
84 static inline void
sh_mobile_meram_cache_update(struct sh_mobile_meram_info * dev,void * data,unsigned long base_addr_y,unsigned long base_addr_c,unsigned long * icb_addr_y,unsigned long * icb_addr_c)85 sh_mobile_meram_cache_update(struct sh_mobile_meram_info *dev, void *data,
86 unsigned long base_addr_y,
87 unsigned long base_addr_c,
88 unsigned long *icb_addr_y,
89 unsigned long *icb_addr_c)
90 {
91 }
92 #endif
93
94 #endif /* __VIDEO_SH_MOBILE_MERAM_H__ */
95