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167e3d8a YS |
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 | struct regulator_dev *regulators[]; | |
33 | }; | |
34 | ||
35 | extern int mc13xxx_sw_regulator(struct regulator_dev *rdev); | |
36 | extern int mc13xxx_sw_regulator_is_enabled(struct regulator_dev *rdev); | |
37 | extern int mc13xxx_get_best_voltage_index(struct regulator_dev *rdev, | |
38 | int min_uV, int max_uV); | |
39 | extern int mc13xxx_regulator_list_voltage(struct regulator_dev *rdev, | |
40 | unsigned selector); | |
41 | extern int mc13xxx_fixed_regulator_set_voltage(struct regulator_dev *rdev, | |
42 | int min_uV, int max_uV, unsigned *selector); | |
43 | extern int mc13xxx_fixed_regulator_get_voltage(struct regulator_dev *rdev); | |
44 | ||
45 | extern struct regulator_ops mc13xxx_regulator_ops; | |
46 | extern struct regulator_ops mc13xxx_fixed_regulator_ops; | |
47 | ||
48 | #define MC13xxx_DEFINE(prefix, _name, _reg, _vsel_reg, _voltages, _ops) \ | |
49 | [prefix ## _name] = { \ | |
50 | .desc = { \ | |
51 | .name = #prefix "_" #_name, \ | |
52 | .n_voltages = ARRAY_SIZE(_voltages), \ | |
53 | .ops = &_ops, \ | |
54 | .type = REGULATOR_VOLTAGE, \ | |
55 | .id = prefix ## _name, \ | |
56 | .owner = THIS_MODULE, \ | |
57 | }, \ | |
58 | .reg = prefix ## _reg, \ | |
59 | .enable_bit = prefix ## _reg ## _ ## _name ## EN, \ | |
60 | .vsel_reg = prefix ## _vsel_reg, \ | |
61 | .vsel_shift = prefix ## _vsel_reg ## _ ## _name ## VSEL,\ | |
62 | .vsel_mask = prefix ## _vsel_reg ## _ ## _name ## VSEL_M,\ | |
63 | .voltages = _voltages, \ | |
64 | } | |
65 | ||
66 | #define MC13xxx_FIXED_DEFINE(prefix, _name, _reg, _voltages, _ops) \ | |
67 | [prefix ## _name] = { \ | |
68 | .desc = { \ | |
69 | .name = #prefix "_" #_name, \ | |
70 | .n_voltages = ARRAY_SIZE(_voltages), \ | |
71 | .ops = &_ops, \ | |
72 | .type = REGULATOR_VOLTAGE, \ | |
73 | .id = prefix ## _name, \ | |
74 | .owner = THIS_MODULE, \ | |
75 | }, \ | |
76 | .reg = prefix ## _reg, \ | |
77 | .enable_bit = prefix ## _reg ## _ ## _name ## EN, \ | |
78 | .voltages = _voltages, \ | |
79 | } | |
80 | ||
81 | #define MC13xxx_GPO_DEFINE(prefix, _name, _reg, _voltages, _ops) \ | |
82 | [prefix ## _name] = { \ | |
83 | .desc = { \ | |
84 | .name = #prefix "_" #_name, \ | |
85 | .n_voltages = ARRAY_SIZE(_voltages), \ | |
86 | .ops = &_ops, \ | |
87 | .type = REGULATOR_VOLTAGE, \ | |
88 | .id = prefix ## _name, \ | |
89 | .owner = THIS_MODULE, \ | |
90 | }, \ | |
91 | .reg = prefix ## _reg, \ | |
92 | .enable_bit = prefix ## _reg ## _ ## _name ## EN, \ | |
93 | .voltages = _voltages, \ | |
94 | } | |
95 | ||
96 | #define MC13xxx_DEFINE_SW(_name, _reg, _vsel_reg, _voltages, ops) \ | |
97 | MC13xxx_DEFINE(SW, _name, _reg, _vsel_reg, _voltages, ops) | |
98 | #define MC13xxx_DEFINE_REGU(_name, _reg, _vsel_reg, _voltages, ops) \ | |
99 | MC13xxx_DEFINE(REGU, _name, _reg, _vsel_reg, _voltages, ops) | |
100 | ||
101 | #endif |