fbdev: sh_mobile_meram: Use genalloc to manage MERAM allocation
[deliverable/linux.git] / include / video / sh_mobile_meram.h
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1#ifndef __VIDEO_SH_MOBILE_MERAM_H__
2#define __VIDEO_SH_MOBILE_MERAM_H__
3
4/* For sh_mobile_meram_info.addr_mode */
5enum {
6 SH_MOBILE_MERAM_MODE0 = 0,
7 SH_MOBILE_MERAM_MODE1
8};
9
10enum {
11 SH_MOBILE_MERAM_PF_NV = 0,
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12 SH_MOBILE_MERAM_PF_RGB,
13 SH_MOBILE_MERAM_PF_NV24
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14};
15
16
17struct sh_mobile_meram_priv;
18struct sh_mobile_meram_ops;
19
20struct 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 */
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28struct sh_mobile_meram_icb_cfg {
29 unsigned int marker_icb; /* ICB # for Marker ICB */
30 unsigned int cache_icb; /* ICB # for Cache ICB */
d272f428 31 unsigned int meram_size; /* MERAM Buffer Size to use */
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32};
33
34struct sh_mobile_meram_cfg {
2a618e03 35 struct sh_mobile_meram_icb_cfg icb[2];
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36};
37
38struct module;
39struct sh_mobile_meram_ops {
40 struct module *module;
41 /* register usage of meram */
42 int (*meram_register)(struct sh_mobile_meram_info *meram_dev,
2a618e03 43 const struct sh_mobile_meram_cfg *cfg,
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44 unsigned int xres, unsigned int yres,
45 unsigned int pixelformat,
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46 unsigned long base_addr_y,
47 unsigned long base_addr_c,
48 unsigned long *icb_addr_y,
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49 unsigned long *icb_addr_c,
50 unsigned int *pitch);
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51
52 /* unregister usage of meram */
53 int (*meram_unregister)(struct sh_mobile_meram_info *meram_dev,
2a618e03 54 const struct sh_mobile_meram_cfg *cfg);
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55
56 /* update meram settings */
57 int (*meram_update)(struct sh_mobile_meram_info *meram_dev,
2a618e03 58 const struct sh_mobile_meram_cfg *cfg,
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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__ */
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