Paul Mundt | 36ddf31 | 2006-01-16 22:14:17 -0800 | [diff] [blame] | 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> |
Paul Mundt | 1d11856 | 2006-12-01 13:15:14 +0900 | [diff] [blame] | 7 | #include <linux/clk.h> |
Paul Mundt | 36ddf31 | 2006-01-16 22:14:17 -0800 | [diff] [blame] | 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; |
Paul Mundt | 1d11856 | 2006-12-01 13:15:14 +0900 | [diff] [blame] | 22 | int id; |
Paul Mundt | 36ddf31 | 2006-01-16 22:14:17 -0800 | [diff] [blame] | 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 *); |
Paul Mundt | 36ddf31 | 2006-01-16 22:14:17 -0800 | [diff] [blame] | 44 | void __clk_disable(struct clk *); |
Paul Mundt | 36ddf31 | 2006-01-16 22:14:17 -0800 | [diff] [blame] | 45 | |
Paul Mundt | 36ddf31 | 2006-01-16 22:14:17 -0800 | [diff] [blame] | 46 | void clk_recalc_rate(struct clk *); |
| 47 | |
Paul Mundt | 36ddf31 | 2006-01-16 22:14:17 -0800 | [diff] [blame] | 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 */ |