diff options
author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
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committer | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
commit | fcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch) | |
tree | a57612d1888735a2ec7972891b68c1ac5ec8faea /arch/sh/include/asm/hwblk.h | |
parent | 8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff) |
Diffstat (limited to 'arch/sh/include/asm/hwblk.h')
-rw-r--r-- | arch/sh/include/asm/hwblk.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/arch/sh/include/asm/hwblk.h b/arch/sh/include/asm/hwblk.h new file mode 100644 index 00000000000..855e945c619 --- /dev/null +++ b/arch/sh/include/asm/hwblk.h | |||
@@ -0,0 +1,70 @@ | |||
1 | #ifndef __ASM_SH_HWBLK_H | ||
2 | #define __ASM_SH_HWBLK_H | ||
3 | |||
4 | #include <asm/clock.h> | ||
5 | #include <asm/io.h> | ||
6 | |||
7 | #define HWBLK_CNT_USAGE 0 | ||
8 | #define HWBLK_CNT_IDLE 1 | ||
9 | #define HWBLK_CNT_DEVICES 2 | ||
10 | #define HWBLK_CNT_NR 3 | ||
11 | |||
12 | #define HWBLK_AREA_FLAG_PARENT (1 << 0) /* valid parent */ | ||
13 | |||
14 | #define HWBLK_AREA(_flags, _parent) \ | ||
15 | { \ | ||
16 | .flags = _flags, \ | ||
17 | .parent = _parent, \ | ||
18 | } | ||
19 | |||
20 | struct hwblk_area { | ||
21 | int cnt[HWBLK_CNT_NR]; | ||
22 | unsigned char parent; | ||
23 | unsigned char flags; | ||
24 | }; | ||
25 | |||
26 | #define HWBLK(_mstp, _bit, _area) \ | ||
27 | { \ | ||
28 | .mstp = (void __iomem *)_mstp, \ | ||
29 | .bit = _bit, \ | ||
30 | .area = _area, \ | ||
31 | } | ||
32 | |||
33 | struct hwblk { | ||
34 | void __iomem *mstp; | ||
35 | unsigned char bit; | ||
36 | unsigned char area; | ||
37 | int cnt[HWBLK_CNT_NR]; | ||
38 | }; | ||
39 | |||
40 | struct hwblk_info { | ||
41 | struct hwblk_area *areas; | ||
42 | int nr_areas; | ||
43 | struct hwblk *hwblks; | ||
44 | int nr_hwblks; | ||
45 | }; | ||
46 | |||
47 | /* Should be defined by processor-specific code */ | ||
48 | int arch_hwblk_init(void); | ||
49 | int arch_hwblk_sleep_mode(void); | ||
50 | |||
51 | int hwblk_register(struct hwblk_info *info); | ||
52 | int hwblk_init(void); | ||
53 | |||
54 | void hwblk_enable(struct hwblk_info *info, int hwblk); | ||
55 | void hwblk_disable(struct hwblk_info *info, int hwblk); | ||
56 | |||
57 | void hwblk_cnt_inc(struct hwblk_info *info, int hwblk, int cnt); | ||
58 | void hwblk_cnt_dec(struct hwblk_info *info, int hwblk, int cnt); | ||
59 | |||
60 | /* allow clocks to enable and disable hardware blocks */ | ||
61 | #define SH_HWBLK_CLK(_hwblk, _parent, _flags) \ | ||
62 | [_hwblk] = { \ | ||
63 | .parent = _parent, \ | ||
64 | .arch_flags = _hwblk, \ | ||
65 | .flags = _flags, \ | ||
66 | } | ||
67 | |||
68 | int sh_hwblk_clk_register(struct clk *clks, int nr); | ||
69 | |||
70 | #endif /* __ASM_SH_HWBLK_H */ | ||