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1 | /* arch/arm/mach-msm/clock.h |
2 | * | |
3 | * Copyright (C) 2007 Google, Inc. | |
5e96da5d | 4 | * Copyright (c) 2007-2010, Code Aurora Forum. All rights reserved. |
600f7cfe BS |
5 | * |
6 | * This software is licensed under the terms of the GNU General Public | |
7 | * License version 2, as published by the Free Software Foundation, and | |
8 | * may be copied, distributed, and modified under those terms. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | */ | |
16 | ||
17 | #ifndef __ARCH_ARM_MACH_MSM_CLOCK_H | |
18 | #define __ARCH_ARM_MACH_MSM_CLOCK_H | |
19 | ||
d64560fe | 20 | #include <linux/init.h> |
600f7cfe | 21 | #include <linux/list.h> |
5e96da5d DW |
22 | #include <mach/clk.h> |
23 | ||
600f7cfe BS |
24 | #define CLKFLAG_INVERT 0x00000001 |
25 | #define CLKFLAG_NOINVERT 0x00000002 | |
26 | #define CLKFLAG_NONEST 0x00000004 | |
27 | #define CLKFLAG_NORESET 0x00000008 | |
28 | ||
29 | #define CLK_FIRST_AVAILABLE_FLAG 0x00000100 | |
5e96da5d DW |
30 | #define CLKFLAG_AUTO_OFF 0x00000200 |
31 | #define CLKFLAG_MIN 0x00000400 | |
32 | #define CLKFLAG_MAX 0x00000800 | |
33 | ||
34 | struct clk_ops { | |
35 | int (*enable)(unsigned id); | |
36 | void (*disable)(unsigned id); | |
37 | void (*auto_off)(unsigned id); | |
38 | int (*reset)(unsigned id, enum clk_reset_action action); | |
39 | int (*set_rate)(unsigned id, unsigned rate); | |
40 | int (*set_min_rate)(unsigned id, unsigned rate); | |
41 | int (*set_max_rate)(unsigned id, unsigned rate); | |
42 | int (*set_flags)(unsigned id, unsigned flags); | |
43 | unsigned (*get_rate)(unsigned id); | |
44 | unsigned (*is_enabled)(unsigned id); | |
45 | long (*round_rate)(unsigned id, unsigned rate); | |
2a52220c | 46 | bool (*is_local)(unsigned id); |
5e96da5d | 47 | }; |
600f7cfe BS |
48 | |
49 | struct clk { | |
50 | uint32_t id; | |
5e96da5d | 51 | uint32_t remote_id; |
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52 | uint32_t count; |
53 | uint32_t flags; | |
5e96da5d DW |
54 | struct clk_ops *ops; |
55 | const char *dbg_name; | |
600f7cfe | 56 | struct list_head list; |
600f7cfe BS |
57 | }; |
58 | ||
5e96da5d DW |
59 | #define OFF CLKFLAG_AUTO_OFF |
60 | #define CLK_MIN CLKFLAG_MIN | |
61 | #define CLK_MAX CLKFLAG_MAX | |
62 | #define CLK_MINMAX (CLK_MIN | CLK_MAX) | |
600f7cfe | 63 | |
d64560fe MW |
64 | #ifdef CONFIG_DEBUG_FS |
65 | int __init clock_debug_init(void); | |
66 | int __init clock_debug_add(struct clk *clock); | |
67 | #else | |
68 | static inline int __init clock_debug_init(void) { return 0; } | |
69 | static inline int __init clock_debug_add(struct clk *clock) { return 0; } | |
70 | #endif | |
71 | ||
600f7cfe | 72 | #endif |