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__ */