pmic.h
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/*
* Copyright (C) 2011-2012 Samsung Electronics
* Lukasz Majewski <l.majewski@samsung.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __CORE_PMIC_H_
#define __CORE_PMIC_H_
#include <linux/list.h>
#include <i2c.h>
#include <power/power_chrg.h>
enum { PMIC_I2C, PMIC_SPI, PMIC_NONE};
enum { I2C_PMIC, I2C_NUM, };
enum { PMIC_READ, PMIC_WRITE, };
enum { PMIC_SENSOR_BYTE_ORDER_LITTLE, PMIC_SENSOR_BYTE_ORDER_BIG, };
enum {
PMIC_CHARGER_DISABLE,
PMIC_CHARGER_ENABLE,
};
struct p_i2c {
unsigned char addr;
unsigned char *buf;
unsigned char tx_num;
};
struct p_spi {
unsigned int cs;
unsigned int mode;
unsigned int bitlen;
unsigned int clk;
unsigned int flags;
u32 (*prepare_tx)(u32 reg, u32 *val, u32 write);
};
struct pmic;
struct power_fg {
int (*fg_battery_check) (struct pmic *p, struct pmic *bat);
int (*fg_battery_update) (struct pmic *p, struct pmic *bat);
};
struct power_chrg {
int (*chrg_type) (struct pmic *p);
int (*chrg_bat_present) (struct pmic *p);
int (*chrg_state) (struct pmic *p, int state, int current);
};
struct power_battery {
struct battery *bat;
int (*battery_init) (struct pmic *bat, struct pmic *p1,
struct pmic *p2, struct pmic *p3);
int (*battery_charge) (struct pmic *bat);
/* Keep info about power devices involved with battery operation */
struct pmic *chrg, *fg, *muic;
};
struct pmic {
const char *name;
unsigned char bus;
unsigned char interface;
unsigned char sensor_byte_order;
unsigned int number_of_regs;
union hw {
struct p_i2c i2c;
struct p_spi spi;
} hw;
void (*low_power_mode) (void);
struct power_battery *pbat;
struct power_chrg *chrg;
struct power_fg *fg;
struct pmic *parent;
struct list_head list;
};
int pmic_init(unsigned char bus);
int power_init_board(void);
int pmic_dialog_init(unsigned char bus);
int check_reg(struct pmic *p, u32 reg);
struct pmic *pmic_alloc(void);
struct pmic *pmic_get(const char *s);
int pmic_probe(struct pmic *p);
int pmic_reg_read(struct pmic *p, u32 reg, u32 *val);
int pmic_reg_write(struct pmic *p, u32 reg, u32 val);
int pmic_set_output(struct pmic *p, u32 reg, int ldo, int on);
#define pmic_i2c_addr (p->hw.i2c.addr)
#define pmic_i2c_tx_num (p->hw.i2c.tx_num)
#define pmic_spi_bitlen (p->hw.spi.bitlen)
#define pmic_spi_flags (p->hw.spi.flags)
#endif /* __CORE_PMIC_H_ */