1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
#ifndef __ASM_SH_HWBLK_H
#define __ASM_SH_HWBLK_H
#include <asm/clock.h>
#include <asm/io.h>
#define HWBLK_CNT_USAGE 0
#define HWBLK_CNT_IDLE 1
#define HWBLK_CNT_DEVICES 2
#define HWBLK_CNT_NR 3
#define HWBLK_AREA_FLAG_PARENT (1 << 0) /* valid parent */
#define HWBLK_AREA(_flags, _parent) \
{ \
.flags = _flags, \
.parent = _parent, \
}
struct hwblk_area {
int cnt[HWBLK_CNT_NR];
unsigned char parent;
unsigned char flags;
};
#define HWBLK(_mstp, _bit, _area) \
{ \
.mstp = (void __iomem *)_mstp, \
.bit = _bit, \
.area = _area, \
}
struct hwblk {
void __iomem *mstp;
unsigned char bit;
unsigned char area;
int cnt[HWBLK_CNT_NR];
};
struct hwblk_info {
struct hwblk_area *areas;
int nr_areas;
struct hwblk *hwblks;
int nr_hwblks;
};
#if !defined(CONFIG_CPU_SUBTYPE_SH7724)
/* Should be defined by processor-specific code */
int arch_hwblk_init(void);
int arch_hwblk_sleep_mode(void);
int hwblk_register(struct hwblk_info *info);
int hwblk_init(void);
void hwblk_enable(struct hwblk_info *info, int hwblk);
void hwblk_disable(struct hwblk_info *info, int hwblk);
void hwblk_cnt_inc(struct hwblk_info *info, int hwblk, int cnt);
void hwblk_cnt_dec(struct hwblk_info *info, int hwblk, int cnt);
/* allow clocks to enable and disable hardware blocks */
#define SH_HWBLK_CLK(_hwblk, _parent, _flags) \
[_hwblk] = { \
.parent = _parent, \
.arch_flags = _hwblk, \
.flags = _flags, \
}
int sh_hwblk_clk_register(struct clk *clks, int nr);
#else
#define hwblk_init() 0
#endif
#endif /* __ASM_SH_HWBLK_H */
|
