projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 0cdfcc0f MB |
1 | /* |
| 2 | * internal.h -- Voltage/Current Regulator framework internal code | |
| 3 | * | |
| 4 | * Copyright 2007, 2008 Wolfson Microelectronics PLC. | |
| 5 | * Copyright 2008 SlimLogic Ltd. | |
| 6 | * | |
| 7 | * Author: Liam Girdwood <lrg@slimlogic.co.uk> | |
| 8 | * | |
| 9 | * This program is free software; you can redistribute it and/or modify it | |
| 10 | * under the terms of the GNU General Public License as published by the | |
| 11 | * Free Software Foundation; either version 2 of the License, or (at your | |
| 12 | * option) any later version. | |
| 13 | * | |
| 14 | */ | |
| 15 | ||
| 16 | #ifndef __REGULATOR_INTERNAL_H | |
| 17 | #define __REGULATOR_INTERNAL_H | |
| 18 | ||
| c360a6df CZ |
19 | #include <linux/suspend.h> |
| 20 | ||
| 21 | #define REGULATOR_STATES_NUM (PM_SUSPEND_MAX + 1) | |
| 22 | ||
| 23 | struct regulator_voltage { | |
| 24 | int min_uV; | |
| 25 | int max_uV; | |
| 26 | }; | |
| 27 | ||
| 0cdfcc0f MB |
28 | /* |
| 29 | * struct regulator | |
| 30 | * | |
| 31 | * One for each consumer device. | |
| c360a6df CZ |
32 | * @voltage - a voltage array for each state of runtime, i.e.: |
| 33 | * PM_SUSPEND_ON | |
| 34 | * PM_SUSPEND_TO_IDLE | |
| 35 | * PM_SUSPEND_STANDBY | |
| 36 | * PM_SUSPEND_MEM | |
| 37 | * PM_SUSPEND_MAX | |
| 0cdfcc0f MB |
38 | */ |
| 39 | struct regulator { | |
| 40 | struct device *dev; | |
| 41 | struct list_head list; | |
| 42 | unsigned int always_on:1; | |
| 43 | unsigned int bypass:1; | |
| 44 | int uA_load; | |
| c360a6df | 45 | struct regulator_voltage voltage[REGULATOR_STATES_NUM]; |
| 0630b614 | 46 | const char *supply_name; |
| 0cdfcc0f MB |
47 | struct device_attribute dev_attr; |
| 48 | struct regulator_dev *rdev; | |
| 49 | struct dentry *debugfs; | |
| 50 | }; | |
| 51 | ||
| 148096af MP |
52 | extern struct class regulator_class; |
| 53 | ||
| 54 | static inline struct regulator_dev *dev_to_rdev(struct device *dev) | |
| 55 | { | |
| 56 | return container_of(dev, struct regulator_dev, dev); | |
| 57 | } | |
| 58 | ||
| 59 | struct regulator_dev *of_find_regulator_by_node(struct device_node *np); | |
| 60 | ||
| ef126a4a | 61 | #ifdef CONFIG_OF |
| a0c7b164 MB |
62 | struct regulator_init_data *regulator_of_get_init_data(struct device *dev, |
| 63 | const struct regulator_desc *desc, | |
| bfa21a0d | 64 | struct regulator_config *config, |
| a0c7b164 | 65 | struct device_node **node); |
| ef126a4a MB |
66 | #else |
| 67 | static inline struct regulator_init_data * | |
| 68 | regulator_of_get_init_data(struct device *dev, | |
| 69 | const struct regulator_desc *desc, | |
| bfa21a0d | 70 | struct regulator_config *config, |
| ef126a4a MB |
71 | struct device_node **node) |
| 72 | { | |
| 73 | return NULL; | |
| 74 | } | |
| 75 | #endif | |
| a0c7b164 | 76 | |
| a8bd42a9 DT |
77 | enum regulator_get_type { |
| 78 | NORMAL_GET, | |
| 79 | EXCLUSIVE_GET, | |
| 80 | OPTIONAL_GET, | |
| 81 | MAX_GET_TYPE | |
| 82 | }; | |
| 83 | ||
| 84 | struct regulator *_regulator_get(struct device *dev, const char *id, | |
| 85 | enum regulator_get_type get_type); | |
| 86 | ||
| 0cdfcc0f | 87 | #endif |