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102 lines
3.1 KiB
C
102 lines
3.1 KiB
C
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/*
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* mc13xxx.h - regulators for the Freescale mc13xxx PMIC
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*
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* Copyright (C) 2010 Yong Shen <yong.shen@linaro.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef __LINUX_REGULATOR_MC13XXX_H
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#define __LINUX_REGULATOR_MC13XXX_H
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#include <linux/regulator/driver.h>
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struct mc13xxx_regulator {
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struct regulator_desc desc;
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int reg;
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int enable_bit;
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int vsel_reg;
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int vsel_shift;
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int vsel_mask;
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int hi_bit;
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int const *voltages;
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};
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struct mc13xxx_regulator_priv {
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struct mc13xxx *mc13xxx;
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u32 powermisc_pwgt_state;
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struct mc13xxx_regulator *mc13xxx_regulators;
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struct regulator_dev *regulators[];
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};
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extern int mc13xxx_sw_regulator(struct regulator_dev *rdev);
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extern int mc13xxx_sw_regulator_is_enabled(struct regulator_dev *rdev);
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extern int mc13xxx_get_best_voltage_index(struct regulator_dev *rdev,
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int min_uV, int max_uV);
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extern int mc13xxx_regulator_list_voltage(struct regulator_dev *rdev,
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unsigned selector);
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extern int mc13xxx_fixed_regulator_set_voltage(struct regulator_dev *rdev,
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int min_uV, int max_uV, unsigned *selector);
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extern int mc13xxx_fixed_regulator_get_voltage(struct regulator_dev *rdev);
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extern struct regulator_ops mc13xxx_regulator_ops;
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extern struct regulator_ops mc13xxx_fixed_regulator_ops;
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#define MC13xxx_DEFINE(prefix, _name, _reg, _vsel_reg, _voltages, _ops) \
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[prefix ## _name] = { \
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.desc = { \
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.name = #prefix "_" #_name, \
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.n_voltages = ARRAY_SIZE(_voltages), \
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.ops = &_ops, \
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.type = REGULATOR_VOLTAGE, \
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.id = prefix ## _name, \
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.owner = THIS_MODULE, \
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}, \
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.reg = prefix ## _reg, \
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.enable_bit = prefix ## _reg ## _ ## _name ## EN, \
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.vsel_reg = prefix ## _vsel_reg, \
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.vsel_shift = prefix ## _vsel_reg ## _ ## _name ## VSEL,\
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.vsel_mask = prefix ## _vsel_reg ## _ ## _name ## VSEL_M,\
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.voltages = _voltages, \
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}
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#define MC13xxx_FIXED_DEFINE(prefix, _name, _reg, _voltages, _ops) \
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[prefix ## _name] = { \
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.desc = { \
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.name = #prefix "_" #_name, \
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.n_voltages = ARRAY_SIZE(_voltages), \
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.ops = &_ops, \
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.type = REGULATOR_VOLTAGE, \
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.id = prefix ## _name, \
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.owner = THIS_MODULE, \
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}, \
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.reg = prefix ## _reg, \
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.enable_bit = prefix ## _reg ## _ ## _name ## EN, \
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.voltages = _voltages, \
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}
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#define MC13xxx_GPO_DEFINE(prefix, _name, _reg, _voltages, _ops) \
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[prefix ## _name] = { \
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.desc = { \
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.name = #prefix "_" #_name, \
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.n_voltages = ARRAY_SIZE(_voltages), \
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.ops = &_ops, \
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.type = REGULATOR_VOLTAGE, \
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.id = prefix ## _name, \
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.owner = THIS_MODULE, \
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}, \
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.reg = prefix ## _reg, \
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.enable_bit = prefix ## _reg ## _ ## _name ## EN, \
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.voltages = _voltages, \
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}
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#define MC13xxx_DEFINE_SW(_name, _reg, _vsel_reg, _voltages, ops) \
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MC13xxx_DEFINE(SW, _name, _reg, _vsel_reg, _voltages, ops)
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#define MC13xxx_DEFINE_REGU(_name, _reg, _vsel_reg, _voltages, ops) \
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MC13xxx_DEFINE(REGU, _name, _reg, _vsel_reg, _voltages, ops)
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#endif
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