/* Copyright 2014 The ChromiumOS Authors
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 *
 * TI bq24773 battery charger driver.
 */

#ifndef __CROS_EC_BQ24773_H
#define __CROS_EC_BQ24773_H

/* for i2c_read and i2c_write functions. */
#include "i2c.h"

/* I2C address */
#define BQ24770_ADDR_FLAGS 0x09
#define BQ24773_ADDR_FLAGS 0x6a

/* Chip specific commands */
#define BQ24770_CHARGE_OPTION0 0x12
#define BQ24770_CHARGE_OPTION1 0x3B
#define BQ24770_CHARGE_OPTION2 0x38
#define BQ24770_PROCHOT_OPTION0 0x3C
#define BQ24770_PROCHOT_OPTION1 0x3D
#define BQ24770_CHARGE_CURRENT 0x14
#define BQ24770_MAX_CHARGE_VOLTAGE 0x15
#define BQ24770_MIN_SYSTEM_VOLTAGE 0x3E
#define BQ24770_INPUT_CURRENT 0x3F
#define BQ24770_MANUFACTURE_ID 0xFE
#define BQ24770_DEVICE_ADDRESS 0xFF

#define BQ24773_CHARGE_OPTION0 0x00
#define BQ24773_CHARGE_OPTION1 0x02
#define BQ24773_PROCHOT_OPTION0 0x04
#define BQ24773_PROCHOT_OPTION1 0x06
#define BQ24773_PROCHOT_STATUS 0x08
#define BQ24773_DEVICE_ADDRESS 0x09
#define BQ24773_CHARGE_CURRENT 0x0A
#define BQ24773_MAX_CHARGE_VOLTAGE 0x0C
#define BQ24773_MIN_SYSTEM_VOLTAGE 0x0E
#define BQ24773_INPUT_CURRENT 0x0F
#define BQ24773_CHARGE_OPTION2 0x10

/* Option bits */
#define OPTION0_CHARGE_INHIBIT BIT(0)
#define OPTION0_LEARN_ENABLE BIT(5)
#define OPTION0_SWITCHING_FREQ_MASK (3 << 8)
#define OPTION0_SWITCHING_FREQ_600KHZ (0 << 8)
#define OPTION0_SWITCHING_FREQ_800KHZ BIT(8)
#define OPTION0_SWITCHING_FREQ_1000KHZ (2 << 8)
#define OPTION0_SWITCHING_FREQ_1200KHZ (3 << 8)

#define OPTION2_EN_EXTILIM BIT(7)

/* Prochot Option bits */
#define PROCHOT_OPTION1_SELECTOR_MASK 0x7f /* [6:0] PROCHOT SELECTOR */

#ifdef CONFIG_CHARGER_BQ24770
#define CHARGER_NAME "bq24770"
#define I2C_ADDR_CHARGER_FLAGS BQ24770_ADDR_FLAGS

#define REG_CHARGE_OPTION0 BQ24770_CHARGE_OPTION0
#define REG_CHARGE_OPTION1 BQ24770_CHARGE_OPTION1
#define REG_CHARGE_OPTION2 BQ24770_CHARGE_OPTION2
#define REG_PROCHOT_OPTION0 BQ24770_PROCHOT_OPTION0
#define REG_PROCHOT_OPTION1 BQ24770_PROCHOT_OPTION1
#define REG_CHARGE_CURRENT BQ24770_CHARGE_CURRENT
#define REG_MAX_CHARGE_VOLTAGE BQ24770_MAX_CHARGE_VOLTAGE
#define REG_MIN_SYSTEM_VOLTAGE BQ24770_MIN_SYSTEM_VOLTAGE
#define REG_INPUT_CURRENT BQ24770_INPUT_CURRENT
#define REG_MANUFACTURE_ID BQ24770_MANUFACTURE_ID
#define REG_DEVICE_ADDRESS BQ24770_DEVICE_ADDRESS

#elif defined(CONFIG_CHARGER_BQ24773)
#define CHARGER_NAME "bq24773"
#define I2C_ADDR_CHARGER_FLAGS BQ24773_ADDR_FLAGS

#define REG_CHARGE_OPTION0 BQ24773_CHARGE_OPTION0
#define REG_CHARGE_OPTION1 BQ24773_CHARGE_OPTION1
#define REG_CHARGE_OPTION2 BQ24773_CHARGE_OPTION2
#define REG_PROCHOT_OPTION0 BQ24773_PROCHOT_OPTION0
#define REG_PROCHOT_OPTION1 BQ24773_PROCHOT_OPTION1
#define REG_CHARGE_CURRENT BQ24773_CHARGE_CURRENT
#define REG_MAX_CHARGE_VOLTAGE BQ24773_MAX_CHARGE_VOLTAGE
#define REG_MIN_SYSTEM_VOLTAGE BQ24773_MIN_SYSTEM_VOLTAGE
#define REG_INPUT_CURRENT BQ24773_INPUT_CURRENT
#define REG_DEVICE_ADDRESS BQ24773_DEVICE_ADDRESS
#endif

extern const struct charger_drv bq2477x_drv;

#endif /* __CROS_EC_BQ24773_H */