/* * 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_ */