3de89609a8
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
101 lines
2.9 KiB
C
101 lines
2.9 KiB
C
/*
|
|
* driver.h -- SoC Regulator driver support.
|
|
*
|
|
* Copyright (C) 2007, 2008 Wolfson Microelectronics PLC.
|
|
*
|
|
* Author: Liam Girdwood <lg@opensource.wolfsonmicro.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* Regulator Driver Interface.
|
|
*/
|
|
|
|
#ifndef __LINUX_REGULATOR_DRIVER_H_
|
|
#define __LINUX_REGULATOR_DRIVER_H_
|
|
|
|
#include <linux/device.h>
|
|
#include <linux/regulator/consumer.h>
|
|
|
|
struct regulator_dev;
|
|
struct regulator_init_data;
|
|
|
|
/**
|
|
* struct regulator_ops - regulator operations.
|
|
*
|
|
* This struct describes regulator operations.
|
|
*/
|
|
struct regulator_ops {
|
|
|
|
/* get/set regulator voltage */
|
|
int (*set_voltage) (struct regulator_dev *, int min_uV, int max_uV);
|
|
int (*get_voltage) (struct regulator_dev *);
|
|
|
|
/* get/set regulator current */
|
|
int (*set_current_limit) (struct regulator_dev *,
|
|
int min_uA, int max_uA);
|
|
int (*get_current_limit) (struct regulator_dev *);
|
|
|
|
/* enable/disable regulator */
|
|
int (*enable) (struct regulator_dev *);
|
|
int (*disable) (struct regulator_dev *);
|
|
int (*is_enabled) (struct regulator_dev *);
|
|
|
|
/* get/set regulator operating mode (defined in regulator.h) */
|
|
int (*set_mode) (struct regulator_dev *, unsigned int mode);
|
|
unsigned int (*get_mode) (struct regulator_dev *);
|
|
|
|
/* get most efficient regulator operating mode for load */
|
|
unsigned int (*get_optimum_mode) (struct regulator_dev *, int input_uV,
|
|
int output_uV, int load_uA);
|
|
|
|
/* the operations below are for configuration of regulator state when
|
|
* its parent PMIC enters a global STANDBY/HIBERNATE state */
|
|
|
|
/* set regulator suspend voltage */
|
|
int (*set_suspend_voltage) (struct regulator_dev *, int uV);
|
|
|
|
/* enable/disable regulator in suspend state */
|
|
int (*set_suspend_enable) (struct regulator_dev *);
|
|
int (*set_suspend_disable) (struct regulator_dev *);
|
|
|
|
/* set regulator suspend operating mode (defined in regulator.h) */
|
|
int (*set_suspend_mode) (struct regulator_dev *, unsigned int mode);
|
|
};
|
|
|
|
/*
|
|
* Regulators can either control voltage or current.
|
|
*/
|
|
enum regulator_type {
|
|
REGULATOR_VOLTAGE,
|
|
REGULATOR_CURRENT,
|
|
};
|
|
|
|
/**
|
|
* struct regulator_desc - Regulator descriptor
|
|
*
|
|
*/
|
|
struct regulator_desc {
|
|
const char *name;
|
|
int id;
|
|
struct regulator_ops *ops;
|
|
int irq;
|
|
enum regulator_type type;
|
|
struct module *owner;
|
|
};
|
|
|
|
struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc,
|
|
struct device *dev, void *driver_data);
|
|
void regulator_unregister(struct regulator_dev *rdev);
|
|
|
|
int regulator_notifier_call_chain(struct regulator_dev *rdev,
|
|
unsigned long event, void *data);
|
|
|
|
void *rdev_get_drvdata(struct regulator_dev *rdev);
|
|
struct device *rdev_get_dev(struct regulator_dev *rdev);
|
|
int rdev_get_id(struct regulator_dev *rdev);
|
|
|
|
void *regulator_get_init_drvdata(struct regulator_init_data *reg_init_data);
|
|
|
|
#endif
|