Linux Kernel  3.7.1
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clock.h
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1 #ifndef __ASM_MIPS_CLOCK_H
2 #define __ASM_MIPS_CLOCK_H
3 
4 #include <linux/kref.h>
5 #include <linux/list.h>
6 #include <linux/seq_file.h>
7 #include <linux/clk.h>
8 
9 extern void (*cpu_wait) (void);
10 
11 struct clk;
12 
13 struct clk_ops {
14  void (*init) (struct clk *clk);
15  void (*enable) (struct clk *clk);
16  void (*disable) (struct clk *clk);
17  void (*recalc) (struct clk *clk);
18  int (*set_rate) (struct clk *clk, unsigned long rate, int algo_id);
19  long (*round_rate) (struct clk *clk, unsigned long rate);
20 };
21 
22 struct clk {
23  struct list_head node;
24  const char *name;
25  int id;
26  struct module *owner;
27 
28  struct clk *parent;
29  struct clk_ops *ops;
30 
31  struct kref kref;
32 
33  unsigned long rate;
34  unsigned long flags;
35 };
36 
37 #define CLK_ALWAYS_ENABLED (1 << 0)
38 #define CLK_RATE_PROPAGATES (1 << 1)
39 
40 /* Should be defined by processor-specific code */
41 void arch_init_clk_ops(struct clk_ops **, int type);
42 
43 int clk_init(void);
44 
45 int __clk_enable(struct clk *);
46 void __clk_disable(struct clk *);
47 
48 void clk_recalc_rate(struct clk *);
49 
50 int clk_register(struct clk *);
51 void clk_unregister(struct clk *);
52 
53 #endif /* __ASM_MIPS_CLOCK_H */