linux-sg2042/include/asm-sh/clock.h

62 lines
1.2 KiB
C

#ifndef __ASM_SH_CLOCK_H
#define __ASM_SH_CLOCK_H
#include <linux/kref.h>
#include <linux/list.h>
#include <linux/seq_file.h>
struct clk;
struct clk_ops {
void (*init)(struct clk *clk);
void (*enable)(struct clk *clk);
void (*disable)(struct clk *clk);
void (*recalc)(struct clk *clk);
int (*set_rate)(struct clk *clk, unsigned long rate);
};
struct clk {
struct list_head node;
const char *name;
struct module *owner;
struct clk *parent;
struct clk_ops *ops;
struct kref kref;
unsigned long rate;
unsigned long flags;
};
#define CLK_ALWAYS_ENABLED (1 << 0)
#define CLK_RATE_PROPAGATES (1 << 1)
/* Should be defined by processor-specific code */
void arch_init_clk_ops(struct clk_ops **, int type);
/* arch/sh/kernel/cpu/clock.c */
int clk_init(void);
int __clk_enable(struct clk *);
int clk_enable(struct clk *);
void __clk_disable(struct clk *);
void clk_disable(struct clk *);
int clk_set_rate(struct clk *, unsigned long rate);
unsigned long clk_get_rate(struct clk *);
void clk_recalc_rate(struct clk *);
struct clk *clk_get(const char *id);
void clk_put(struct clk *);
int clk_register(struct clk *);
void clk_unregister(struct clk *);
int show_clocks(struct seq_file *m);
#endif /* __ASM_SH_CLOCK_H */