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fbdev: sh_mobile_meram: Use genalloc to manage MERAM allocation
[karo-tx-linux.git] / include / video / sh_mobile_meram.h
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 struct sh_mobile_meram_info {
21         int                             addr_mode;
22         struct sh_mobile_meram_ops      *ops;
23         struct sh_mobile_meram_priv     *priv;
24         struct platform_device          *pdev;
25 };
26
27 /* icb config */
28 struct sh_mobile_meram_icb_cfg {
29         unsigned int marker_icb;        /* ICB # for Marker ICB */
30         unsigned int cache_icb;         /* ICB # for Cache ICB */
31         unsigned int meram_size;        /* MERAM Buffer Size to use */
32 };
33
34 struct sh_mobile_meram_cfg {
35         struct sh_mobile_meram_icb_cfg icb[2];
36 };
37
38 struct module;
39 struct sh_mobile_meram_ops {
40         struct module   *module;
41         /* register usage of meram */
42         int (*meram_register)(struct sh_mobile_meram_info *meram_dev,
43                               const struct sh_mobile_meram_cfg *cfg,
44                               unsigned int xres, unsigned int yres,
45                               unsigned int pixelformat,
46                               unsigned long base_addr_y,
47                               unsigned long base_addr_c,
48                               unsigned long *icb_addr_y,
49                               unsigned long *icb_addr_c,
50                               unsigned int *pitch);
51
52         /* unregister usage of meram */
53         int (*meram_unregister)(struct sh_mobile_meram_info *meram_dev,
54                                 const struct sh_mobile_meram_cfg *cfg);
55
56         /* update meram settings */
57         int (*meram_update)(struct sh_mobile_meram_info *meram_dev,
58                             const struct sh_mobile_meram_cfg *cfg,
59                             unsigned long base_addr_y,
60                             unsigned long base_addr_c,
61                             unsigned long *icb_addr_y,
62                             unsigned long *icb_addr_c);
63 };
64
65 #endif /* __VIDEO_SH_MOBILE_MERAM_H__  */