core.h
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/*
* core.h
*
* copyright (c) 2011 Samsung Electronics Co., Ltd
* http://www.samsung.com
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
*/
#ifndef __LINUX_MFD_SEC_CORE_H
#define __LINUX_MFD_SEC_CORE_H
#define NUM_IRQ_REGS 4
enum sec_device_type {
S5M8751X,
S5M8763X,
S5M8767X,
S2MPS11X,
};
/**
* struct sec_pmic_dev - s5m87xx master device for sub-drivers
* @dev: master device of the chip (can be used to access platform data)
* @i2c: i2c client private data for regulator
* @rtc: i2c client private data for rtc
* @iolock: mutex for serializing io access
* @irqlock: mutex for buslock
* @irq_base: base IRQ number for sec-pmic, required for IRQs
* @irq: generic IRQ number for s5m87xx
* @ono: power onoff IRQ number for s5m87xx
* @irq_masks_cur: currently active value
* @irq_masks_cache: cached hardware value
* @type: indicate which s5m87xx "variant" is used
*/
struct sec_pmic_dev {
struct device *dev;
struct regmap *regmap;
struct i2c_client *i2c;
struct i2c_client *rtc;
struct mutex iolock;
struct mutex irqlock;
int device_type;
int irq_base;
int irq;
struct regmap_irq_chip_data *irq_data;
int ono;
u8 irq_masks_cur[NUM_IRQ_REGS];
u8 irq_masks_cache[NUM_IRQ_REGS];
int type;
bool wakeup;
};
int sec_irq_init(struct sec_pmic_dev *sec_pmic);
void sec_irq_exit(struct sec_pmic_dev *sec_pmic);
int sec_irq_resume(struct sec_pmic_dev *sec_pmic);
extern int sec_reg_read(struct sec_pmic_dev *sec_pmic, u8 reg, void *dest);
extern int sec_bulk_read(struct sec_pmic_dev *sec_pmic, u8 reg, int count, u8 *buf);
extern int sec_reg_write(struct sec_pmic_dev *sec_pmic, u8 reg, u8 value);
extern int sec_bulk_write(struct sec_pmic_dev *sec_pmic, u8 reg, int count, u8 *buf);
extern int sec_reg_update(struct sec_pmic_dev *sec_pmic, u8 reg, u8 val, u8 mask);
struct sec_platform_data {
struct sec_regulator_data *regulators;
struct sec_opmode_data *opmode;
int device_type;
int num_regulators;
int irq_base;
int (*cfg_pmic_irq)(void);
int ono;
bool wakeup;
bool buck_voltage_lock;
int buck_gpios[3];
int buck_ds[3];
int buck2_voltage[8];
bool buck2_gpiodvs;
int buck3_voltage[8];
bool buck3_gpiodvs;
int buck4_voltage[8];
bool buck4_gpiodvs;
int buck_set1;
int buck_set2;
int buck_set3;
int buck2_enable;
int buck3_enable;
int buck4_enable;
int buck_default_idx;
int buck2_default_idx;
int buck3_default_idx;
int buck4_default_idx;
int buck_ramp_delay;
int buck2_ramp_delay;
int buck34_ramp_delay;
int buck5_ramp_delay;
int buck16_ramp_delay;
int buck7810_ramp_delay;
int buck9_ramp_delay;
bool buck2_ramp_enable;
bool buck3_ramp_enable;
bool buck4_ramp_enable;
bool buck6_ramp_enable;
int buck2_init;
int buck3_init;
int buck4_init;
};
/**
* sec_regulator_data - regulator data
* @id: regulator id
* @initdata: regulator init data (contraints, supplies, ...)
*/
struct sec_regulator_data {
int id;
struct regulator_init_data *initdata;
};
/*
* sec_opmode_data - regulator operation mode data
* @id: regulator id
* @mode: regulator operation mode
*/
struct sec_opmode_data {
int id;
int mode;
};
/*
* samsung regulator operation mode
* SEC_OPMODE_OFF Regulator always OFF
* SEC_OPMODE_ON Regulator always ON
* SEC_OPMODE_LOWPOWER Regulator is on in low-power mode
* SEC_OPMODE_SUSPEND Regulator is changed by PWREN pin
* If PWREN is high, regulator is on
* If PWREN is low, regulator is off
*/
enum sec_opmode {
SEC_OPMODE_OFF,
SEC_OPMODE_ON,
SEC_OPMODE_LOWPOWER,
SEC_OPMODE_SUSPEND,
};
#endif /* __LINUX_MFD_SEC_CORE_H */