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1 | /* SPDX-License-Identifier: GPL-2.0 */ | |
2 | #ifndef __VIDEO_SH_MOBILE_MERAM_H__ | |
3 | #define __VIDEO_SH_MOBILE_MERAM_H__ | |
4 | ||
5 | /* For sh_mobile_meram_info.addr_mode */ | |
6 | enum { | |
7 | SH_MOBILE_MERAM_MODE0 = 0, | |
8 | SH_MOBILE_MERAM_MODE1 | |
9 | }; | |
10 | ||
11 | enum { | |
12 | SH_MOBILE_MERAM_PF_NV = 0, | |
13 | SH_MOBILE_MERAM_PF_RGB, | |
14 | SH_MOBILE_MERAM_PF_NV24 | |
15 | }; | |
16 | ||
17 | ||
18 | struct sh_mobile_meram_priv; | |
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_priv *priv; | |
28 | struct platform_device *pdev; | |
29 | }; | |
30 | ||
31 | /* icb config */ | |
32 | struct sh_mobile_meram_icb_cfg { | |
33 | unsigned int meram_size; /* MERAM Buffer Size to use */ | |
34 | }; | |
35 | ||
36 | struct sh_mobile_meram_cfg { | |
37 | struct sh_mobile_meram_icb_cfg icb[2]; | |
38 | }; | |
39 | ||
40 | #if defined(CONFIG_FB_SH_MOBILE_MERAM) || \ | |
41 | defined(CONFIG_FB_SH_MOBILE_MERAM_MODULE) | |
42 | unsigned long sh_mobile_meram_alloc(struct sh_mobile_meram_info *meram_dev, | |
43 | size_t size); | |
44 | void sh_mobile_meram_free(struct sh_mobile_meram_info *meram_dev, | |
45 | unsigned long mem, size_t size); | |
46 | void *sh_mobile_meram_cache_alloc(struct sh_mobile_meram_info *dev, | |
47 | const struct sh_mobile_meram_cfg *cfg, | |
48 | unsigned int xres, unsigned int yres, | |
49 | unsigned int pixelformat, | |
50 | unsigned int *pitch); | |
51 | void sh_mobile_meram_cache_free(struct sh_mobile_meram_info *dev, void *data); | |
52 | void sh_mobile_meram_cache_update(struct sh_mobile_meram_info *dev, void *data, | |
53 | unsigned long base_addr_y, | |
54 | unsigned long base_addr_c, | |
55 | unsigned long *icb_addr_y, | |
56 | unsigned long *icb_addr_c); | |
57 | #else | |
58 | static inline unsigned long | |
59 | sh_mobile_meram_alloc(struct sh_mobile_meram_info *meram_dev, size_t size) | |
60 | { | |
61 | return 0; | |
62 | } | |
63 | ||
64 | static inline void | |
65 | sh_mobile_meram_free(struct sh_mobile_meram_info *meram_dev, | |
66 | unsigned long mem, size_t size) | |
67 | { | |
68 | } | |
69 | ||
70 | static inline void * | |
71 | sh_mobile_meram_cache_alloc(struct sh_mobile_meram_info *dev, | |
72 | const struct sh_mobile_meram_cfg *cfg, | |
73 | unsigned int xres, unsigned int yres, | |
74 | unsigned int pixelformat, | |
75 | unsigned int *pitch) | |
76 | { | |
77 | return ERR_PTR(-ENODEV); | |
78 | } | |
79 | ||
80 | static inline void | |
81 | sh_mobile_meram_cache_free(struct sh_mobile_meram_info *dev, void *data) | |
82 | { | |
83 | } | |
84 | ||
85 | static inline void | |
86 | sh_mobile_meram_cache_update(struct sh_mobile_meram_info *dev, void *data, | |
87 | unsigned long base_addr_y, | |
88 | unsigned long base_addr_c, | |
89 | unsigned long *icb_addr_y, | |
90 | unsigned long *icb_addr_c) | |
91 | { | |
92 | } | |
93 | #endif | |
94 | ||
95 | #endif /* __VIDEO_SH_MOBILE_MERAM_H__ */ |