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7caa4342 D |
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, | |
3fedd2ac D |
12 | SH_MOBILE_MERAM_PF_RGB, |
13 | SH_MOBILE_MERAM_PF_NV24 | |
7caa4342 D |
14 | }; |
15 | ||
16 | ||
17 | struct sh_mobile_meram_priv; | |
7caa4342 | 18 | |
48110050 LP |
19 | /* |
20 | * struct sh_mobile_meram_info - MERAM platform data | |
21 | * @reserved_icbs: Bitmask of reserved ICBs (for instance used through UIO) | |
22 | */ | |
7caa4342 D |
23 | struct sh_mobile_meram_info { |
24 | int addr_mode; | |
48110050 | 25 | u32 reserved_icbs; |
7caa4342 D |
26 | struct sh_mobile_meram_priv *priv; |
27 | struct platform_device *pdev; | |
28 | }; | |
29 | ||
30 | /* icb config */ | |
d272f428 | 31 | struct sh_mobile_meram_icb_cfg { |
d272f428 | 32 | unsigned int meram_size; /* MERAM Buffer Size to use */ |
7caa4342 D |
33 | }; |
34 | ||
35 | struct sh_mobile_meram_cfg { | |
2a618e03 | 36 | struct sh_mobile_meram_icb_cfg icb[2]; |
7caa4342 D |
37 | }; |
38 | ||
6e729b41 LP |
39 | #if defined(CONFIG_FB_SH_MOBILE_MERAM) || \ |
40 | defined(CONFIG_FB_SH_MOBILE_MERAM_MODULE) | |
239921ec LP |
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); | |
6e729b41 LP |
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 | |
239921ec LP |
57 | static inline unsigned long |
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 | |
64 | sh_mobile_meram_free(struct sh_mobile_meram_info *meram_dev, | |
65 | unsigned long mem, size_t size) | |
66 | { | |
67 | } | |
68 | ||
6e729b41 LP |
69 | static inline void * |
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 | |
80 | sh_mobile_meram_cache_free(struct sh_mobile_meram_info *dev, void *data) | |
81 | { | |
82 | } | |
83 | ||
84 | static inline void | |
85 | sh_mobile_meram_cache_update(struct sh_mobile_meram_info *dev, void *data, | |
cdf88b90 LP |
86 | unsigned long base_addr_y, |
87 | unsigned long base_addr_c, | |
88 | unsigned long *icb_addr_y, | |
6e729b41 LP |
89 | unsigned long *icb_addr_c) |
90 | { | |
91 | } | |
92 | #endif | |
7caa4342 D |
93 | |
94 | #endif /* __VIDEO_SH_MOBILE_MERAM_H__ */ |