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36ddf31b PM |
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 | ||
8 | struct clk; | |
9 | ||
10 | struct 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 | ||
18 | struct 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 */ | |
37 | void arch_init_clk_ops(struct clk_ops **, int type); | |
38 | ||
39 | /* arch/sh/kernel/cpu/clock.c */ | |
40 | int clk_init(void); | |
41 | ||
42 | int __clk_enable(struct clk *); | |
43 | int clk_enable(struct clk *); | |
44 | ||
45 | void __clk_disable(struct clk *); | |
46 | void clk_disable(struct clk *); | |
47 | ||
48 | int clk_set_rate(struct clk *, unsigned long rate); | |
49 | unsigned long clk_get_rate(struct clk *); | |
50 | void clk_recalc_rate(struct clk *); | |
51 | ||
52 | struct clk *clk_get(const char *id); | |
53 | void clk_put(struct clk *); | |
54 | ||
55 | int clk_register(struct clk *); | |
56 | void clk_unregister(struct clk *); | |
57 | ||
58 | int show_clocks(struct seq_file *m); | |
59 | ||
60 | #endif /* __ASM_SH_CLOCK_H */ | |
61 |