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1 | /* | |
2 | * include/linux/clkdev.h | |
3 | * | |
4 | * Copyright (C) 2008 Russell King. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | * | |
10 | * Helper for the clk API to assist looking up a struct clk. | |
11 | */ | |
12 | #ifndef __CLKDEV_H | |
13 | #define __CLKDEV_H | |
14 | ||
15 | #include <asm/clkdev.h> | |
16 | ||
17 | struct clk; | |
18 | struct clk_hw; | |
19 | struct device; | |
20 | ||
21 | struct clk_lookup { | |
22 | struct list_head node; | |
23 | const char *dev_id; | |
24 | const char *con_id; | |
25 | struct clk *clk; | |
26 | struct clk_hw *clk_hw; | |
27 | }; | |
28 | ||
29 | #define CLKDEV_INIT(d, n, c) \ | |
30 | { \ | |
31 | .dev_id = d, \ | |
32 | .con_id = n, \ | |
33 | .clk = c, \ | |
34 | } | |
35 | ||
36 | struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id, | |
37 | const char *dev_fmt, ...) __printf(3, 4); | |
38 | struct clk_lookup *clkdev_hw_alloc(struct clk_hw *hw, const char *con_id, | |
39 | const char *dev_fmt, ...) __printf(3, 4); | |
40 | ||
41 | void clkdev_add(struct clk_lookup *cl); | |
42 | void clkdev_drop(struct clk_lookup *cl); | |
43 | ||
44 | struct clk_lookup *clkdev_create(struct clk *clk, const char *con_id, | |
45 | const char *dev_fmt, ...) __printf(3, 4); | |
46 | struct clk_lookup *clkdev_hw_create(struct clk_hw *hw, const char *con_id, | |
47 | const char *dev_fmt, ...) __printf(3, 4); | |
48 | ||
49 | void clkdev_add_table(struct clk_lookup *, size_t); | |
50 | int clk_add_alias(const char *, const char *, const char *, struct device *); | |
51 | ||
52 | int clk_register_clkdev(struct clk *, const char *, const char *); | |
53 | int clk_hw_register_clkdev(struct clk_hw *, const char *, const char *); | |
54 | ||
55 | #ifdef CONFIG_COMMON_CLK | |
56 | int __clk_get(struct clk *clk); | |
57 | void __clk_put(struct clk *clk); | |
58 | #endif | |
59 | ||
60 | #endif |