blob: 1df92807f8c5b1bd67092d9c52e9338d79d7ab98 [file] [log] [blame]
Paul Mundt36ddf312006-01-16 22:14:17 -08001#ifndef __ASM_SH_CLOCK_H
2#define __ASM_SH_CLOCK_H
3
4#include <linux/kref.h>
5#include <linux/list.h>
6#include <linux/seq_file.h>
Paul Mundt1d118562006-12-01 13:15:14 +09007#include <linux/clk.h>
Paul Mundt36ddf312006-01-16 22:14:17 -08008
9struct clk;
10
11struct clk_ops {
12 void (*init)(struct clk *clk);
13 void (*enable)(struct clk *clk);
14 void (*disable)(struct clk *clk);
15 void (*recalc)(struct clk *clk);
16 int (*set_rate)(struct clk *clk, unsigned long rate);
17};
18
19struct clk {
20 struct list_head node;
21 const char *name;
Paul Mundt1d118562006-12-01 13:15:14 +090022 int id;
Paul Mundt36ddf312006-01-16 22:14:17 -080023 struct module *owner;
24
25 struct clk *parent;
26 struct clk_ops *ops;
27
28 struct kref kref;
29
30 unsigned long rate;
31 unsigned long flags;
32};
33
34#define CLK_ALWAYS_ENABLED (1 << 0)
35#define CLK_RATE_PROPAGATES (1 << 1)
36
37/* Should be defined by processor-specific code */
38void arch_init_clk_ops(struct clk_ops **, int type);
39
40/* arch/sh/kernel/cpu/clock.c */
41int clk_init(void);
42
43int __clk_enable(struct clk *);
Paul Mundt36ddf312006-01-16 22:14:17 -080044void __clk_disable(struct clk *);
Paul Mundt36ddf312006-01-16 22:14:17 -080045
Paul Mundt36ddf312006-01-16 22:14:17 -080046void clk_recalc_rate(struct clk *);
47
Paul Mundt36ddf312006-01-16 22:14:17 -080048int clk_register(struct clk *);
49void clk_unregister(struct clk *);
50
51int show_clocks(struct seq_file *m);
52
53#endif /* __ASM_SH_CLOCK_H */