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/* Copyright 2018 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 bq25710 battery charger driver.
*/
#ifndef __CROS_EC_BQ25710_H
#define __CROS_EC_BQ25710_H
/* SMBUS Interface */
#define BQ25710_SMBUS_ADDR1_FLAGS 0x09
#define BQ25710_BC12_MIN_VOLTAGE_MV 1408
/* Registers */
#define BQ25710_REG_CHARGE_OPTION_0 0x12
#define BQ25710_REG_CHARGE_CURRENT 0x14
#define BQ25710_REG_MAX_CHARGE_VOLTAGE 0x15
#define BQ25710_REG_CHARGER_STATUS 0x20
#define BQ25710_REG_PROCHOT_STATUS 0x21
#define BQ25710_REG_IIN_DPM 0x22
#define BQ25710_REG_ADC_VBUS_PSYS 0x23
#define BQ25710_REG_ADC_IBAT 0x24
#define BQ25710_REG_ADC_CMPIN_IIN 0x25
#define BQ25710_REG_ADC_VSYS_VBAT 0x26
#define BQ25710_REG_CHARGE_OPTION_1 0x30
#define BQ25710_REG_CHARGE_OPTION_2 0x31
#define BQ25710_REG_CHARGE_OPTION_3 0x32
#define BQ25710_REG_PROCHOT_OPTION_0 0x33
#define BQ25710_REG_PROCHOT_OPTION_1 0x34
#define BQ25710_REG_ADC_OPTION 0x35
#ifdef CONFIG_CHARGER_BQ25720
#define BQ25720_REG_CHARGE_OPTION_4 0x36
#define BQ25720_REG_VMIN_ACTIVE_PROTECTION 0x37
#endif
#define BQ25710_REG_OTG_VOLTAGE 0x3B
#define BQ25710_REG_OTG_CURRENT 0x3C
#define BQ25710_REG_INPUT_VOLTAGE 0x3D
#define BQ25710_REG_MIN_SYSTEM_VOLTAGE 0x3E
#define BQ25710_REG_IIN_HOST 0x3F
#define BQ25710_REG_MANUFACTURER_ID 0xFE
#define BQ25710_REG_DEVICE_ADDRESS 0xFF
/* ChargeOption0 Register */
#define BQ25710_CHARGE_OPTION_0_LOW_POWER_MODE BIT(15)
#define BQ25710_CHARGE_OPTION_0_IDPM_AUTO_DIS BIT(12)
#define BQ25710_CHARGE_OPTION_0_EN_LEARN BIT(5)
#define BQ25710_CHARGE_OPTION_0_IADP_GAIN BIT(4)
#define BQ25710_CHARGE_OPTION_0_EN_IDPM BIT(1)
#define BQ25710_CHARGE_OPTION_0_CHRG_INHIBIT BIT(0)
/* ChargeOption2 Register */
#define BQ25710_CHARGE_OPTION_2_EN_EXTILIM BIT(7)
#define BQ25710_CHARGE_OPTION_2_TMAX_SHIFT 8
#define BQ25710_CHARGE_OPTION_2_TMAX_MASK (0x3 << \
BQ25710_CHARGE_OPTION_2_TMAX_SHIFT)
/* ChargeOption3 Register */
#define BQ25710_CHARGE_OPTION_3_RESET_REG BIT(14)
#define BQ25710_CHARGE_OPTION_3_EN_ICO_MODE BIT(11)
/* ChargeStatus Register */
#define BQ25710_CHARGE_STATUS_ICO_DONE BIT(14)
/* IIN_DPM Register */
#define BQ25710_IIN_DPM_CURRENT_SHIFT 8
#define BQ25710_IIN_DPM_CURRENT_STEP_MA 50
/* ADCOption Register */
#define BQ25710_ADC_OPTION_ADC_START BIT(14)
#define BQ25710_ADC_OPTION_EN_ADC_VBUS BIT(6)
#define BQ25710_ADC_OPTION_EN_ADC_IIN BIT(4)
#define BQ25710_ADC_OPTION_EN_ADC_ALL 0xFF
/* ADC conversion time ins ms */
#if defined(CONFIG_CHARGER_BQ25720)
#define BQ25710_ADC_OPTION_ADC_CONV_MS 25
#elif defined(CONFIG_CHARGER_BQ25710)
#define BQ25710_ADC_OPTION_ADC_CONV_MS 10
#else
#error Only the BQ25720 and BQ25710 are supported by bq25710 driver.
#endif
/* ADCVBUS/PSYS Register */
#if defined(CONFIG_CHARGER_BQ25720)
#define BQ25720_ADC_VBUS_STEP_MV 96
#elif defined(CONFIG_CHARGER_BQ25710)
#define BQ25710_ADC_VBUS_STEP_MV 64
#define BQ25710_ADC_VBUS_BASE_MV 3200
#else
#error Only the BQ25720 and BQ25710 are supported by bq25710 driver.
#endif
#define BQ25710_ADC_VBUS_STEP_BIT_OFFSET 8
/* ADCIIN Register */
#define BQ25710_ADC_IIN_STEP_MA 50
#define BQ25710_ADC_IIN_STEP_BIT_OFFSET 8
/* ProchotOption0 Register */
#define BQ25710_PROCHOT0_ILIM_VTH_SHIFT 11
#define BQ25710_PROCHOT0_ILIM_VTH_MASK (0x1f << \
BQ25710_PROCHOT0_ILIM_VTH_SHIFT)
/* ProchotOption1 Register */
#define BQ25710_PROCHOT_PROFILE_VDPM BIT(7)
#define BQ25710_PROCHOT_PROFILE_IDCHG BIT(3)
#define BQ25710_PROCHOT_PROFILE_VSYS BIT(2)
#define BQ25710_PROCHOT_IDCHG_VTH_MASK 0xFC00
/* IIN_HOST Register */
#define BQ25710_IIN_HOST_CURRENT_SHIFT 8
#define BQ25710_IIN_HOST_CURRENT_STEP_MA 50
#if defined(CONFIG_CHARGER_BQ25720)
/* Vmin Active Protection Register */
#define BQ25720_VMIN_AP_VSYS_TH2_SHIFT 2
#define BQ25720_VMIN_AP_VSYS_TH2_MASK GENMASK(7, \
BQ25720_VMIN_AP_VSYS_TH2_SHIFT)
#endif
/* Min System Voltage Register */
#if defined(CONFIG_CHARGER_BQ25720)
#define BQ25710_MIN_SYSTEM_VOLTAGE_STEP_MV 100
#elif defined(CONFIG_CHARGER_BQ25710)
#define BQ25710_MIN_SYSTEM_VOLTAGE_STEP_MV 256
#else
#error Only the BQ25720 and BQ25710 are supported by bq25710 driver.
#endif
#define BQ25710_MIN_SYSTEM_VOLTAGE_SHIFT 8
extern const struct charger_drv bq25710_drv;
/**
* Set VSYS_MIN
*
* @param chgnum: Index into charger chips
* @param mv: min system voltage in mV
* @return EC_SUCCESS or error
*/
int bq25710_set_min_system_voltage(int chgnum, int mv);
#endif /* __CROS_EC_BQ25710_H */
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