diff options
Diffstat (limited to 'include/linux/regulator/driver.h')
-rw-r--r-- | include/linux/regulator/driver.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h new file mode 100644 index 000000000000..1d712c7172a2 --- /dev/null +++ b/include/linux/regulator/driver.h | |||
@@ -0,0 +1,99 @@ | |||
1 | /* | ||
2 | * driver.h -- SoC Regulator driver support. | ||
3 | * | ||
4 | * Copyright (C) 2007, 2008 Wolfson Microelectronics PLC. | ||
5 | * | ||
6 | * Author: Liam Girdwood <lg@opensource.wolfsonmicro.com> | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify | ||
9 | * it under the terms of the GNU General Public License version 2 as | ||
10 | * published by the Free Software Foundation. | ||
11 | * | ||
12 | * Regulator Driver Interface. | ||
13 | */ | ||
14 | |||
15 | #ifndef __LINUX_REGULATOR_DRIVER_H_ | ||
16 | #define __LINUX_REGULATOR_DRIVER_H_ | ||
17 | |||
18 | #include <linux/device.h> | ||
19 | #include <linux/regulator/consumer.h> | ||
20 | |||
21 | struct regulator_constraints; | ||
22 | struct regulator_dev; | ||
23 | |||
24 | /** | ||
25 | * struct regulator_ops - regulator operations. | ||
26 | * | ||
27 | * This struct describes regulator operations. | ||
28 | */ | ||
29 | struct regulator_ops { | ||
30 | |||
31 | /* get/set regulator voltage */ | ||
32 | int (*set_voltage) (struct regulator_dev *, int min_uV, int max_uV); | ||
33 | int (*get_voltage) (struct regulator_dev *); | ||
34 | |||
35 | /* get/set regulator current */ | ||
36 | int (*set_current_limit) (struct regulator_dev *, | ||
37 | int min_uA, int max_uA); | ||
38 | int (*get_current_limit) (struct regulator_dev *); | ||
39 | |||
40 | /* enable/disable regulator */ | ||
41 | int (*enable) (struct regulator_dev *); | ||
42 | int (*disable) (struct regulator_dev *); | ||
43 | int (*is_enabled) (struct regulator_dev *); | ||
44 | |||
45 | /* get/set regulator operating mode (defined in regulator.h) */ | ||
46 | int (*set_mode) (struct regulator_dev *, unsigned int mode); | ||
47 | unsigned int (*get_mode) (struct regulator_dev *); | ||
48 | |||
49 | /* get most efficient regulator operating mode for load */ | ||
50 | unsigned int (*get_optimum_mode) (struct regulator_dev *, int input_uV, | ||
51 | int output_uV, int load_uA); | ||
52 | |||
53 | /* the operations below are for configuration of regulator state when | ||
54 | * it's parent PMIC enters a global STANBY/HIBERNATE state */ | ||
55 | |||
56 | /* set regulator suspend voltage */ | ||
57 | int (*set_suspend_voltage) (struct regulator_dev *, int uV); | ||
58 | |||
59 | /* enable/disable regulator in suspend state */ | ||
60 | int (*set_suspend_enable) (struct regulator_dev *); | ||
61 | int (*set_suspend_disable) (struct regulator_dev *); | ||
62 | |||
63 | /* set regulator suspend operating mode (defined in regulator.h) */ | ||
64 | int (*set_suspend_mode) (struct regulator_dev *, unsigned int mode); | ||
65 | }; | ||
66 | |||
67 | /* | ||
68 | * Regulators can either control voltage or current. | ||
69 | */ | ||
70 | enum regulator_type { | ||
71 | REGULATOR_VOLTAGE, | ||
72 | REGULATOR_CURRENT, | ||
73 | }; | ||
74 | |||
75 | /** | ||
76 | * struct regulator_desc - Regulator descriptor | ||
77 | * | ||
78 | */ | ||
79 | struct regulator_desc { | ||
80 | const char *name; | ||
81 | int id; | ||
82 | struct regulator_ops *ops; | ||
83 | int irq; | ||
84 | enum regulator_type type; | ||
85 | struct module *owner; | ||
86 | }; | ||
87 | |||
88 | |||
89 | struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc, | ||
90 | void *reg_data); | ||
91 | void regulator_unregister(struct regulator_dev *rdev); | ||
92 | |||
93 | int regulator_notifier_call_chain(struct regulator_dev *rdev, | ||
94 | unsigned long event, void *data); | ||
95 | |||
96 | void *rdev_get_drvdata(struct regulator_dev *rdev); | ||
97 | int rdev_get_id(struct regulator_dev *rdev); | ||
98 | |||
99 | #endif | ||