diff options
| author |   Magnus Damm <damm@igel.co.jp> | 2009-07-17 14:24:55 +0000 |
|---|---|---|
| committer |   Paul Mundt <lethal@linux-sh.org> | 2009-07-20 04:23:39 +0900 |
| commit | 0f8ee1874fa80899debc0a0670e2bed0a28d2548 (patch) | |
| tree | f9d58ced4b3b8e6ac50371fdb009e3446bce40c8 /arch/sh/include/asm/hwblk.h | |
| parent | sh: hwblk for sh7722 (diff) | |
| download | linux-dev-0f8ee1874fa80899debc0a0670e2bed0a28d2548.tar.xz linux-dev-0f8ee1874fa80899debc0a0670e2bed0a28d2548.zip | |
sh: Add support for multiple hwblk counters
Extend the SuperH hwblk code to support more than one counter.
Contains ground work for the future Runtime PM implementation.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/include/asm/hwblk.h')
| -rw-r--r-- | arch/sh/include/asm/hwblk.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/arch/sh/include/asm/hwblk.h b/arch/sh/include/asm/hwblk.h index 51a46f496639..c01d72cb6757 100644 --- a/arch/sh/include/asm/hwblk.h +++ b/arch/sh/include/asm/hwblk.h @@ -4,6 +4,9 @@ #include <asm/clock.h> #include <asm/io.h> +#define HWBLK_CNT_USAGE 0 +#define HWBLK_CNT_NR 1 + #define HWBLK_AREA_FLAG_PARENT (1 << 0) /* valid parent */ #define HWBLK_AREA(_flags, _parent) \ @@ -13,7 +16,7 @@ } struct hwblk_area { - unsigned long cnt; + int cnt[HWBLK_CNT_NR]; unsigned char parent; unsigned char flags; }; @@ -29,7 +32,7 @@ struct hwblk { void __iomem *mstp; unsigned char bit; unsigned char area; - unsigned long cnt; + int cnt[HWBLK_CNT_NR]; }; struct hwblk_info { @@ -46,6 +49,12 @@ 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(_name, _id, _parent, _hwblk, _flags) \ { \ |