Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
1#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>
7
8struct clk;
9
10struct clk_ops {
11 void (*init)(struct clk *clk);
12 void (*enable)(struct clk *clk);
13 void (*disable)(struct clk *clk);
14 void (*recalc)(struct clk *clk);
15 int (*set_rate)(struct clk *clk, unsigned long rate);
16};
17
18struct clk {
19 struct list_head node;
20 const char *name;
21
22 struct module *owner;
23
24 struct clk *parent;
25 struct clk_ops *ops;
26
27 struct kref kref;
28
29 unsigned long rate;
30 unsigned long flags;
31};
32
33#define CLK_ALWAYS_ENABLED (1 << 0)
34#define CLK_RATE_PROPAGATES (1 << 1)
35
36/* Should be defined by processor-specific code */
37void arch_init_clk_ops(struct clk_ops **, int type);
38
39/* arch/sh/kernel/cpu/clock.c */
40int clk_init(void);
41
42int __clk_enable(struct clk *);
43int clk_enable(struct clk *);
44
45void __clk_disable(struct clk *);
46void clk_disable(struct clk *);
47
48int clk_set_rate(struct clk *, unsigned long rate);
49unsigned long clk_get_rate(struct clk *);
50void clk_recalc_rate(struct clk *);
51
52struct clk *clk_get(const char *id);
53void clk_put(struct clk *);
54
55int clk_register(struct clk *);
56void clk_unregister(struct clk *);
57
58int show_clocks(struct seq_file *m);
59
60#endif /* __ASM_SH_CLOCK_H */
61