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         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