1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __VIDEO_SH_MOBILE_MERAM_H__
3 #define __VIDEO_SH_MOBILE_MERAM_H__
5 /* For sh_mobile_meram_info.addr_mode */
7 SH_MOBILE_MERAM_MODE0 = 0,
12 SH_MOBILE_MERAM_PF_NV = 0,
13 SH_MOBILE_MERAM_PF_RGB,
14 SH_MOBILE_MERAM_PF_NV24
18 struct sh_mobile_meram_priv;
21 * struct sh_mobile_meram_info - MERAM platform data
22 * @reserved_icbs: Bitmask of reserved ICBs (for instance used through UIO)
24 struct sh_mobile_meram_info {
27 struct sh_mobile_meram_priv *priv;
28 struct platform_device *pdev;
32 struct sh_mobile_meram_icb_cfg {
33 unsigned int meram_size; /* MERAM Buffer Size to use */
36 struct sh_mobile_meram_cfg {
37 struct sh_mobile_meram_icb_cfg icb[2];
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,
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,
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);
58 static inline unsigned long
59 sh_mobile_meram_alloc(struct sh_mobile_meram_info *meram_dev, size_t size)
65 sh_mobile_meram_free(struct sh_mobile_meram_info *meram_dev,
66 unsigned long mem, size_t size)
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,
77 return ERR_PTR(-ENODEV);
81 sh_mobile_meram_cache_free(struct sh_mobile_meram_info *dev, void *data)
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)
95 #endif /* __VIDEO_SH_MOBILE_MERAM_H__ */