73 lines
1.5 KiB
C
73 lines
1.5 KiB
C
#ifndef __ASM_SH_HWBLK_H
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#define __ASM_SH_HWBLK_H
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#include <asm/clock.h>
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#include <asm/io.h>
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#define HWBLK_CNT_USAGE 0
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#define HWBLK_CNT_IDLE 1
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#define HWBLK_CNT_DEVICES 2
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#define HWBLK_CNT_NR 3
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#define HWBLK_AREA_FLAG_PARENT (1 << 0) /* valid parent */
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#define HWBLK_AREA(_flags, _parent) \
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{ \
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.flags = _flags, \
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.parent = _parent, \
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}
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struct hwblk_area {
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int cnt[HWBLK_CNT_NR];
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unsigned char parent;
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unsigned char flags;
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};
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#define HWBLK(_mstp, _bit, _area) \
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{ \
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.mstp = (void __iomem *)_mstp, \
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.bit = _bit, \
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.area = _area, \
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}
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struct hwblk {
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void __iomem *mstp;
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unsigned char bit;
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unsigned char area;
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int cnt[HWBLK_CNT_NR];
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};
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struct hwblk_info {
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struct hwblk_area *areas;
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int nr_areas;
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struct hwblk *hwblks;
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int nr_hwblks;
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};
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/* Should be defined by processor-specific code */
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int arch_hwblk_init(void);
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int arch_hwblk_sleep_mode(void);
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int hwblk_register(struct hwblk_info *info);
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int hwblk_init(void);
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void hwblk_enable(struct hwblk_info *info, int hwblk);
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void hwblk_disable(struct hwblk_info *info, int hwblk);
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void hwblk_cnt_inc(struct hwblk_info *info, int hwblk, int cnt);
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void hwblk_cnt_dec(struct hwblk_info *info, int hwblk, int cnt);
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/* allow clocks to enable and disable hardware blocks */
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#define SH_HWBLK_CLK(_name, _id, _parent, _hwblk, _flags) \
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{ \
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.name = _name, \
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.id = _id, \
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.parent = _parent, \
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.arch_flags = _hwblk, \
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.flags = _flags, \
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}
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int sh_hwblk_clk_register(struct clk *clks, int nr);
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#endif /* __ASM_SH_HWBLK_H */
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