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/* Copyright 2014 The Chromium OS Authors. All rights reserved.
* 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 */
/* ChargeCurrent Register - 0x14 (mA) */
#define CHARGE_I_OFF 0
#define CHARGE_I_MIN 128
#define CHARGE_I_MAX 8128
#define CHARGE_I_STEP 64
/* MaxChargeVoltage Register - 0x15 (mV) */
#define CHARGE_V_MIN 1024
#define CHARGE_V_MAX 19200
#define CHARGE_V_STEP 16
/* InputCurrent Register - 0x3f (mA) */
#define INPUT_I_MIN 128
#define INPUT_I_MAX 8128
#define INPUT_I_STEP 64
#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
#ifdef CONFIG_CHARGER_BQ24773
static inline int raw_read8(int offset, int *value)
{
return i2c_read8(I2C_PORT_CHARGER, I2C_ADDR_CHARGER_FLAGS,
offset, value);
}
static inline int raw_write8(int offset, int value)
{
return i2c_write8(I2C_PORT_CHARGER, I2C_ADDR_CHARGER_FLAGS,
offset, value);
}
#endif
static inline int raw_read16(int offset, int *value)
{
return i2c_read16(I2C_PORT_CHARGER, I2C_ADDR_CHARGER_FLAGS,
offset, value);
}
static inline int raw_write16(int offset, int value)
{
return i2c_write16(I2C_PORT_CHARGER, I2C_ADDR_CHARGER_FLAGS,
offset, value);
}
#endif /* __CROS_EC_BQ24773_H */
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