regulator: palmas: implement sleep mode configuration
[linux-2.6.git] / drivers / regulator / mc13xxx.h
1 /*
2  * mc13xxx.h - regulators for the Freescale mc13xxx PMIC
3  *
4  *  Copyright (C) 2010 Yong Shen <yong.shen@linaro.org>
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 as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  */
11
12 #ifndef __LINUX_REGULATOR_MC13XXX_H
13 #define __LINUX_REGULATOR_MC13XXX_H
14
15 #include <linux/regulator/driver.h>
16
17 struct mc13xxx_regulator {
18         struct regulator_desc desc;
19         int reg;
20         int enable_bit;
21         int vsel_reg;
22         int vsel_shift;
23         int vsel_mask;
24         int hi_bit;
25         int const *voltages;
26 };
27
28 struct mc13xxx_regulator_priv {
29         struct mc13xxx *mc13xxx;
30         u32 powermisc_pwgt_state;
31         struct mc13xxx_regulator *mc13xxx_regulators;
32         int num_regulators;
33         struct regulator_dev *regulators[];
34 };
35
36 extern int mc13xxx_sw_regulator(struct regulator_dev *rdev);
37 extern int mc13xxx_sw_regulator_is_enabled(struct regulator_dev *rdev);
38 extern int mc13xxx_get_best_voltage_index(struct regulator_dev *rdev,
39                                                 int min_uV, int max_uV);
40 extern int mc13xxx_regulator_list_voltage(struct regulator_dev *rdev,
41                                                 unsigned selector);
42 extern int mc13xxx_fixed_regulator_set_voltage(struct regulator_dev *rdev,
43                 int min_uV, int max_uV, unsigned *selector);
44 extern int mc13xxx_fixed_regulator_get_voltage(struct regulator_dev *rdev);
45
46 #ifdef CONFIG_OF
47 extern int mc13xxx_get_num_regulators_dt(struct platform_device *pdev);
48 extern struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt(
49         struct platform_device *pdev, struct mc13xxx_regulator *regulators,
50         int num_regulators);
51 #else
52 static inline int mc13xxx_get_num_regulators_dt(struct platform_device *pdev)
53 {
54         return -ENODEV;
55 }
56
57 static inline struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt(
58         struct platform_device *pdev, struct mc13xxx_regulator *regulators,
59         int num_regulators)
60 {
61         return NULL;
62 }
63 #endif
64
65 extern struct regulator_ops mc13xxx_regulator_ops;
66 extern struct regulator_ops mc13xxx_fixed_regulator_ops;
67
68 #define MC13xxx_DEFINE(prefix, _name, _reg, _vsel_reg, _voltages, _ops) \
69         [prefix ## _name] = {                           \
70                 .desc = {                                               \
71                         .name = #_name,                                 \
72                         .n_voltages = ARRAY_SIZE(_voltages),            \
73                         .ops = &_ops,                   \
74                         .type = REGULATOR_VOLTAGE,                      \
75                         .id = prefix ## _name,          \
76                         .owner = THIS_MODULE,                           \
77                 },                                                      \
78                 .reg = prefix ## _reg,                          \
79                 .enable_bit = prefix ## _reg ## _ ## _name ## EN,       \
80                 .vsel_reg = prefix ## _vsel_reg,                        \
81                 .vsel_shift = prefix ## _vsel_reg ## _ ## _name ## VSEL,\
82                 .vsel_mask = prefix ## _vsel_reg ## _ ## _name ## VSEL_M,\
83                 .voltages =  _voltages,                                 \
84         }
85
86 #define MC13xxx_FIXED_DEFINE(prefix, _name, _reg, _voltages, _ops)      \
87         [prefix ## _name] = {                           \
88                 .desc = {                                               \
89                         .name = #_name,                                 \
90                         .n_voltages = ARRAY_SIZE(_voltages),            \
91                         .ops = &_ops,           \
92                         .type = REGULATOR_VOLTAGE,                      \
93                         .id = prefix ## _name,          \
94                         .owner = THIS_MODULE,                           \
95                 },                                                      \
96                 .reg = prefix ## _reg,                          \
97                 .enable_bit = prefix ## _reg ## _ ## _name ## EN,       \
98                 .voltages =  _voltages,                                 \
99         }
100
101 #define MC13xxx_GPO_DEFINE(prefix, _name, _reg,  _voltages, _ops)       \
102         [prefix ## _name] = {                           \
103                 .desc = {                                               \
104                         .name = #_name,                                 \
105                         .n_voltages = ARRAY_SIZE(_voltages),            \
106                         .ops = &_ops,           \
107                         .type = REGULATOR_VOLTAGE,                      \
108                         .id = prefix ## _name,          \
109                         .owner = THIS_MODULE,                           \
110                 },                                                      \
111                 .reg = prefix ## _reg,                          \
112                 .enable_bit = prefix ## _reg ## _ ## _name ## EN,       \
113                 .voltages =  _voltages,                                 \
114         }
115
116 #define MC13xxx_DEFINE_SW(_name, _reg, _vsel_reg, _voltages, ops)       \
117         MC13xxx_DEFINE(SW, _name, _reg, _vsel_reg, _voltages, ops)
118 #define MC13xxx_DEFINE_REGU(_name, _reg, _vsel_reg, _voltages, ops)     \
119         MC13xxx_DEFINE(REGU, _name, _reg, _vsel_reg, _voltages, ops)
120
121 #endif