include/asm-sh/clock.h

   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 #include <linux/clk.h>
   8
   9 struct clk;
  10
  11 struct 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
  19 struct clk {
  20         struct list_head        node;
  21         const char              *name;
  22         int                     id;
  23         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 */
  38 void arch_init_clk_ops(struct clk_ops **, int type);
  39
  40 /* arch/sh/kernel/cpu/clock.c */
  41 int clk_init(void);
  42
  43 int __clk_enable(struct clk *);
  44 void __clk_disable(struct clk *);
  45
  46 void clk_recalc_rate(struct clk *);
  47
  48 int clk_register(struct clk *);
  49 void clk_unregister(struct clk *);
  50
  51 int show_clocks(struct seq_file *m);
  52
  53 #endif /* __ASM_SH_CLOCK_H */