/* Copyright 2016 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. * * ROHM BD9995X battery charger driver. */ #ifndef __CROS_EC_BD9995X_H #define __CROS_EC_BD9995X_H #define BD9995X_ADDR_FLAGS 0x09 #define I2C_ADDR_CHARGER_FLAGS BD9995X_ADDR_FLAGS #define BD9995X_CHARGER_NAME "bd9995x" #define BD99955_CHIP_ID 0x221 #define BD99956_CHIP_ID 0x331 /* BD9995X commands to change the command code map */ enum bd9995x_command { BD9995X_BAT_CHG_COMMAND, BD9995X_EXTENDED_COMMAND, BD9995X_DEBUG_COMMAND, BD9995X_INVALID_COMMAND }; /* * BD9995X has two external VBUS inputs (named VBUS and VCC) and two sets * of registers / bits for control. This entire driver is written under the * assumption that the physical VBUS port corresponds to PD port 0, and the * physical VCC port corresponds to PD port 1. */ enum bd9995x_charge_port { BD9995X_CHARGE_PORT_VBUS, BD9995X_CHARGE_PORT_VCC, BD9995X_CHARGE_PORT_BOTH, }; /* Charger parameters */ #define CHARGER_NAME BD9995X_CHARGER_NAME #define CHARGE_V_MAX 19200 #define CHARGE_V_MIN 3072 #define CHARGE_V_STEP 16 #define CHARGE_I_MAX 16320 #define CHARGE_I_MIN 128 #define CHARGE_I_OFF 0 #define CHARGE_I_STEP 64 #define INPUT_I_MAX 16352 #define INPUT_I_MIN 512 #define INPUT_I_STEP 32 /* Min. charge current w/ no battery to prevent collapse */ #define BD9995X_NO_BATTERY_CHARGE_I_MIN 512 /* * BC1.2 minimum voltage threshold. * BC1.2 charging port output voltage range is 4.75V to 5.25V, * BD9995X Anti-Collapse Threshold Voltage Accuracy is -100mV to +100mV, * and Delta of 50mV. */ #define BD9995X_BC12_MIN_VOLTAGE 4600 /* Battery Charger Commands */ #define BD9995X_CMD_CHG_CURRENT 0x14 #define BD9995X_CMD_CHG_VOLTAGE 0x15 #define BD9995X_CMD_IBUS_LIM_SET 0x3C #define BD9995X_CMD_ICC_LIM_SET 0x3D #define BD9995X_CMD_PROTECT_SET 0x3E #define BD9995X_CMD_MAP_SET 0x3F /* Extended commands */ #define BD9995X_CMD_CHGSTM_STATUS 0x00 #define BD9995X_CMD_VBAT_VSYS_STATUS 0x01 #define BD9995X_CMD_VBUS_VCC_STATUS 0x02 #define BD9995X_CMD_VBUS_VCC_STATUS_VCC_DETECT BIT(8) #define BD9995X_CMD_VBUS_VCC_STATUS_VBUS_DETECT BIT(0) #define BD9995X_CMD_CHGOP_STATUS 0x03 #define BD9995X_CMD_CHGOP_STATUS_BATTEMP2 BIT(10) #define BD9995X_CMD_CHGOP_STATUS_BATTEMP1 BIT(9) #define BD9995X_CMD_CHGOP_STATUS_BATTEMP0 BIT(8) #define BD9995X_BATTTEMP_MASK 0x700 #define BD9995X_CMD_CHGOP_STATUS_BATTEMP_ROOMTEMP 0 #define BD9995X_CMD_CHGOP_STATUS_BATTEMP_HOT1 1 #define BD9995X_CMD_CHGOP_STATUS_BATTEMP_HOT2 2 #define BD9995X_CMD_CHGOP_STATUS_BATTEMP_HOT3 3 #define BD9995X_CMD_CHGOP_STATUS_BATTEMP_COLD1 4 #define BD9995X_CMD_CHGOP_STATUS_BATTEMP_COLD2 5 #define BD9995X_CMD_CHGOP_STATUS_BATTEMP_DISABLE 6 #define BD9995X_CMD_CHGOP_STATUS_BATTEMP_BATOPEN 7 #define BD9995X_CMD_CHGOP_STATUS_RBOOST_UV BIT(1) #define BD9995X_CMD_WDT_STATUS 0x04 #define BD9995X_CMD_CUR_ILIM_VAL 0x05 #define BD9995X_CMD_SEL_ILIM_VAL 0x06 #define BD9995X_CMD_EXT_IBUS_LIM_SET 0x07 #define BD9995X_CMD_EXT_ICC_LIM_SET 0x08 #define BD9995X_CMD_IOTG_LIM_SET 0x09 #define BD9995X_CMD_VIN_CTRL_SET 0x0A #define BD9995X_CMD_VIN_CTRL_SET_VSYS_PRIORITY BIT(4) #define BD9995X_CMD_VIN_CTRL_SET_PP_BOTH_THRU BIT(11) #define BD9995X_CMD_VIN_CTRL_SET_VBUS_PRIORITY BIT(7) #define BD9995X_CMD_VIN_CTRL_SET_VBUS_EN BIT(6) #define BD9995X_CMD_VIN_CTRL_SET_VCC_EN BIT(5) #define BD9995X_CMD_CHGOP_SET1 0x0B #define BD9995X_CMD_CHGOP_SET1_DCP_2500_SEL BIT(15) #define BD9995X_CMD_CHGOP_SET1_SDP_500_SEL BIT(14) #define BD9995X_CMD_CHGOP_SET1_ILIM_AUTO_DISEN BIT(13) #define BD9995X_CMD_CHGOP_SET1_VCC_BC_DISEN BIT(11) #define BD9995X_CMD_CHGOP_SET1_VBUS_BC_DISEN BIT(10) #define BD9995X_CMD_CHGOP_SET1_SDP_CHG_TRIG_EN BIT(9) #define BD9995X_CMD_CHGOP_SET1_SDP_CHG_TRIG BIT(8) #define BD9995X_CMD_CHGOP_SET2 0x0C #define BD9995X_CMD_CHGOP_SET2_BATT_LEARN BIT(8) #define BD9995X_CMD_CHGOP_SET2_CHG_EN BIT(7) #define BD9995X_CMD_CHGOP_SET2_USB_SUS BIT(6) #define BD9995X_CMD_CHGOP_SET2_DCDC_CLK_SEL (3 << 2) #define BD9995X_CMD_CHGOP_SET2_DCDC_CLK_SEL_600 (0 << 2) #define BD9995X_CMD_CHGOP_SET2_DCDC_CLK_SEL_857 BIT(2) #define BD9995X_CMD_CHGOP_SET2_DCDC_CLK_SEL_1000 (2 << 2) #define BD9995X_CMD_CHGOP_SET2_DCDC_CLK_SEL_1200 (3 << 2) #define BD9995X_CMD_VBUSCLPS_TH_SET 0x0D #define BD9995X_CMD_VCCCLPS_TH_SET 0x0E #define BD9995X_CMD_CHGWDT_SET 0x0F #define BD9995X_CMD_BATTWDT_SET 0x10 #define BD9995X_CMD_VSYSREG_SET 0x11 #define BD9995X_CMD_VSYSVAL_THH_SET 0x12 #define BD9995X_CMD_VSYSVAL_THL_SET 0x13 #define BD9995X_CMD_ITRICH_SET 0x14 #define BD9995X_CMD_IPRECH_SET 0x15 #define BD9995X_IPRECH_MAX 1024 #define BD9995X_CMD_ICHG_SET 0x16 #define BD9995X_CMD_ITERM_SET 0x17 #define BD9995X_CMD_VPRECHG_TH_SET 0x18 #define BD9995X_CMD_VRBOOST_SET 0x19 #define BD9995X_CMD_VFASTCHG_REG_SET1 0x1A #define BD9995X_CMD_VFASTCHG_REG_SET2 0x1B #define BD9995X_CMD_VFASTCHG_REG_SET3 0x1C #define BD9995X_CMD_VRECHG_SET 0x1D #define BD9995X_CMD_VBATOVP_SET 0x1E #define BD9995X_CMD_IBATSHORT_SET 0x1F #define BD9995X_CMD_PROCHOT_CTRL_SET 0x20 #define BD9995X_CMD_PROCHOT_CTRL_SET_PROCHOT_EN4 BIT(4) #define BD9995X_CMD_PROCHOT_CTRL_SET_PROCHOT_EN3 BIT(3) #define BD9995X_CMD_PROCHOT_CTRL_SET_PROCHOT_EN2 BIT(2) #define BD9995X_CMD_PROCHOT_CTRL_SET_PROCHOT_EN1 BIT(1) #define BD9995X_CMD_PROCHOT_CTRL_SET_PROCHOT_EN0 BIT(0) #define BD9995X_CMD_PROCHOT_ICRIT_SET 0x21 #define BD9995X_CMD_PROCHOT_INORM_SET 0x22 #define BD9995X_CMD_PROCHOT_IDCHG_SET 0x23 #define BD9995X_CMD_PROCHOT_VSYS_SET 0x24 #define BD9995X_CMD_PMON_IOUT_CTRL_SET 0x25 #define BD9995X_CMD_PMON_IOUT_CTRL_SET_IMON_INSEL BIT(9) #define BD9995X_CMD_PMON_IOUT_CTRL_SET_PMON_INSEL BIT(8) #define BD9995X_CMD_PMON_IOUT_CTRL_SET_IOUT_OUT_EN BIT(7) #define BD9995X_CMD_PMON_IOUT_CTRL_SET_IOUT_SOURCE_SEL BIT(6) #define BD9995X_CMD_PMON_IOUT_CTRL_SET_IOUT_GAIN_SET_MASK 0x30 #define BD9995X_CMD_PMON_IOUT_CTRL_SET_IOUT_GAIN_SET_40V 0x03 #define BD9995X_CMD_PMON_IOUT_CTRL_SET_IOUT_GAIN_SET_20V 0x02 #define BD9995X_CMD_PMON_IOUT_CTRL_SET_IOUT_GAIN_SET_10V 0x01 #define BD9995X_CMD_PMON_IOUT_CTRL_SET_IOUT_GAIN_SET_05V 0x00 #define BD9995X_CMD_PMON_IOUT_CTRL_SET_PMON_OUT_EN BIT(3) #define BD9995X_CMD_PMON_IOUT_CTRL_SET_PMON_GAIN_SET_MASK 0x07 #define BD9995X_CMD_PMON_IOUT_CTRL_SET_PMON_GAIN_SET_64UAW 0x06 #define BD9995X_CMD_PMON_IOUT_CTRL_SET_PMON_GAIN_SET_32UAW 0x05 #define BD9995X_CMD_PMON_IOUT_CTRL_SET_PMON_GAIN_SET_16UAW 0x04 #define BD9995X_CMD_PMON_IOUT_CTRL_SET_PMON_GAIN_SET_08UAW 0x03 #define BD9995X_CMD_PMON_IOUT_CTRL_SET_PMON_GAIN_SET_04UAW 0x02 #define BD9995X_CMD_PMON_IOUT_CTRL_SET_PMON_GAIN_SET_02UAW 0x01 #define BD9995X_CMD_PMON_IOUT_CTRL_SET_PMON_GAIN_SET_01UAW 0x00 #define BD9995X_PMON_IOUT_ADC_READ_COUNT 128 #define BD9995X_CMD_PMON_DACIN_VAL 0x26 #define BD9995X_CMD_IOUT_DACIN_VAL 0x27 #define BD9995X_CMD_VCC_UCD_SET 0x28 /* Bits for both VCC_UCD_SET and VBUS_UCD_SET regs */ /* Retry BC1.2 detection on set */ #define BD9995X_CMD_UCD_SET_BCSRETRY BIT(12) /* Enable BC1.2 detection, will automatically occur on VBUS detect */ #define BD9995X_CMD_UCD_SET_USBDETEN BIT(7) /* USB switch state auto-control */ #define BD9995X_CMD_UCD_SET_USB_SW_EN BIT(1) /* USB switch state, 1 = ON, only meaningful when USB_SW_EN = 0 */ #define BD9995X_CMD_UCD_SET_USB_SW BIT(0) #define BD9995X_CMD_VCC_UCD_STATUS 0x29 /* Bits for both VCC_UCD_STATUS and VBUS_UCD_STATUS regs */ #define BD9995X_CMD_UCD_STATUS_DCDFAIL BIT(15) #define BD9995X_CMD_UCD_STATUS_CHGPORT1 BIT(13) #define BD9995X_CMD_UCD_STATUS_CHGPORT0 BIT(12) #define BD9995X_CMD_UCD_STATUS_PUPDET BIT(11) #define BD9995X_CMD_UCD_STATUS_CHGDET BIT(6) #define BD9995X_TYPE_MASK (BD9995X_CMD_UCD_STATUS_DCDFAIL | \ BD9995X_CMD_UCD_STATUS_CHGPORT1 | \ BD9995X_CMD_UCD_STATUS_CHGPORT0 | \ BD9995X_CMD_UCD_STATUS_PUPDET | \ BD9995X_CMD_UCD_STATUS_CHGDET) /* BC1.2 chargers */ #define BD9995X_TYPE_CDP (BD9995X_CMD_UCD_STATUS_CHGPORT1 | \ BD9995X_CMD_UCD_STATUS_CHGDET) #define BD9995X_TYPE_DCP (BD9995X_CMD_UCD_STATUS_CHGPORT1 | \ BD9995X_CMD_UCD_STATUS_CHGPORT0 | \ BD9995X_CMD_UCD_STATUS_CHGDET) #define BD9995X_TYPE_SDP (BD9995X_CMD_UCD_STATUS_CHGPORT0) /* non-standard BC1.2 chargers */ #define BD9995X_TYPE_OTHER (BD9995X_CMD_UCD_STATUS_DCDFAIL | \ BD9995X_CMD_UCD_STATUS_CHGPORT1 | \ BD9995X_CMD_UCD_STATUS_CHGPORT0 | \ BD9995X_CMD_UCD_STATUS_CHGDET) #define BD9995X_TYPE_PUP_PORT (BD9995X_CMD_UCD_STATUS_DCDFAIL | \ BD9995X_CMD_UCD_STATUS_CHGPORT0 | \ BD9995X_CMD_UCD_STATUS_PUPDET) /* Open ports */ #define BD9995X_TYPE_OPEN_PORT (BD9995X_CMD_UCD_STATUS_DCDFAIL | \ BD9995X_CMD_UCD_STATUS_CHGPORT0) #define BD9995X_TYPE_VBUS_OPEN 0 #define BD9995X_CMD_VCC_IDD_STATUS 0x2A #define BD9995X_CMD_VCC_UCD_FCTRL_SET 0x2B #define BD9995X_CMD_VCC_UCD_FCTRL_EN 0x2C #define BD9995X_CMD_VBUS_UCD_SET 0x30 #define BD9995X_CMD_VBUS_UCD_STATUS 0x31 #define BD9995X_CMD_VBUS_IDD_STATUS 0x32 #define BD9995X_CMD_VBUS_UCD_FCTRL_SET 0x33 #define BD9995X_CMD_VBUS_UCD_FCTRL_EN 0x34 #define BD9995X_CMD_CHIP_ID 0x38 #define BD9995X_CMD_CHIP_REV 0x39 #define BD9995X_CMD_IC_SET1 0x3A #define BD9995X_CMD_IC_SET2 0x3B #define BD9995X_CMD_SYSTEM_STATUS 0x3C #define BD9995X_CMD_SYSTEM_STATUS_OTPLD_STATE BIT(1) #define BD9995X_CMD_SYSTEM_STATUS_ALLRST_STATE BIT(0) #define BD9995X_CMD_SYSTEM_CTRL_SET 0x3D #define BD9995X_CMD_SYSTEM_CTRL_SET_OTPLD BIT(1) #define BD9995X_CMD_SYSTEM_CTRL_SET_ALLRST BIT(0) #define BD9995X_CMD_EXT_PROTECT_SET 0x3E #define BD9995X_CMD_EXT_MAP_SET 0x3F #define BD9995X_CMD_VM_CTRL_SET 0x40 #define BD9995X_CMD_VM_CTRL_SET_EXTIADPEN BIT(9) #define BD9995X_CMD_THERM_WINDOW_SET1 0x41 #define BD9995X_CMD_THERM_WINDOW_SET2 0x42 #define BD9995X_CMD_THERM_WINDOW_SET3 0x43 #define BD9995X_CMD_THERM_WINDOW_SET4 0x44 #define BD9995X_CMD_THERM_WINDOW_SET5 0x45 #define BD9995X_CMD_IBATP_TH_SET 0x46 #define BD9995X_CMD_IBATM_TH_SET 0x47 #define BD9995X_CMD_VBAT_TH_SET 0x48 #define BD9995X_CMD_THERM_TH_SET 0x49 #define BD9995X_CMD_IACP_TH_SET 0x4A #define BD9995X_CMD_VACP_TH_SET 0x4B /* Enable discharge when VBUS falls below BD9995X_VBUS_DISCHARGE_TH */ #define BD9995X_VBUS_DISCHARGE_TH 3900 #define BD9995X_CMD_VBUS_TH_SET 0x4C #define BD9995X_CMD_VCC_TH_SET 0x4D #define BD9995X_CMD_VSYS_TH_SET 0x4E #define BD9995X_CMD_EXTIADP_TH_SET 0x4F #define BD9995X_CMD_IBATP_VAL 0x50 #define BD9995X_CMD_IBATP_AVE_VAL 0x51 #define BD9995X_CMD_IBATM_VAL 0x52 #define BD9995X_CMD_IBATM_AVE_VAL 0x53 #define BD9995X_CMD_VBAT_VAL 0x54 #define BD9995X_CMD_VBAT_AVE_VAL 0x55 #define BD9995X_CMD_THERM_VAL 0x56 #define BD9995X_CMD_VTH_VAL 0x57 #define BD9995X_CMD_IACP_VAL 0x58 #define BD9995X_CMD_IACP_AVE_VAL 0x59 #define BD9995X_CMD_VACP_VAL 0x5A #define BD9995X_CMD_VACP_AVE_VAL 0x5B #define BD9995X_CMD_VBUS_VAL 0x5C #define BD9995X_CMD_VBUS_AVE_VAL 0x5D #define BD9995X_CMD_VCC_VAL 0x5E #define BD9995X_CMD_VCC_AVE_VAL 0x5F #define BD9995X_CMD_VSYS_VAL 0x60 #define BD9995X_CMD_VSYS_AVE_VAL 0x61 #define BD9995X_CMD_EXTIADP_VAL 0x62 #define BD9995X_CMD_EXTIADP_AVE_VAL 0x63 #define BD9995X_CMD_VACPCLPS_TH_SET 0x64 #define BD9995X_CMD_INT0_SET 0x68 #define BD9995X_CMD_INT0_SET_INT2_EN BIT(2) #define BD9995X_CMD_INT0_SET_INT1_EN BIT(1) #define BD9995X_CMD_INT0_SET_INT0_EN BIT(0) #define BD9995X_CMD_INT1_SET 0x69 /* Bits for both INT1 & INT2 reg */ #define BD9995X_CMD_INT_SET_TH_DET BIT(9) #define BD9995X_CMD_INT_SET_TH_RES BIT(8) #define BD9995X_CMD_INT_SET_DET BIT(1) #define BD9995X_CMD_INT_SET_RES BIT(0) #define BD9995X_CMD_INT_VBUS_DET (BD9995X_CMD_INT_SET_RES | \ BD9995X_CMD_INT_SET_DET) #define BD9995X_CMD_INT_VBUS_TH (BD9995X_CMD_INT_SET_TH_RES | \ BD9995X_CMD_INT_SET_TH_DET) #define BD9995X_CMD_INT2_SET 0x6A #define BD9995X_CMD_INT3_SET 0x6B #define BD9995X_CMD_INT4_SET 0x6C #define BD9995X_CMD_INT5_SET 0x6D #define BD9995X_CMD_INT6_SET 0x6E #define BD9995X_CMD_INT7_SET 0x6F #define BD9995X_CMD_INT0_STATUS 0x70 #define BD9995X_CMD_INT1_STATUS 0x71 /* Bits for both INT1_STATUS & INT2_STATUS reg */ #define BD9995X_CMD_INT_STATUS_DET BIT(1) #define BD9995X_CMD_INT_STATUS_RES BIT(0) #define BD9995X_CMD_INT2_STATUS 0x72 #define BD9995X_CMD_INT3_STATUS 0x73 #define BD9995X_CMD_INT4_STATUS 0x74 #define BD9995X_CMD_INT5_STATUS 0x75 #define BD9995X_CMD_INT6_STATUS 0x76 #define BD9995X_CMD_INT7_STATUS 0x77 #define BD9995X_CMD_REG0 0x78 #define BD9995X_CMD_REG1 0x79 #define BD9995X_CMD_OTPREG0 0x7A #define BD9995X_CMD_OTPREG1 0x7B #define BD9995X_CMD_SMBREG 0x7C /* Normal functionality - power save mode disabled. */ #define BD9995X_PWR_SAVE_OFF 0 /* BGATE ON w/ PROCHOT# monitored only system voltage. */ #define BD9995X_PWR_SAVE_LOW 0x1 /* BGATE ON w/ PROCHOT# monitored only system voltage every 1ms. */ #define BD9995X_PWR_SAVE_MED 0x2 /* BGATE ON w/o PROCHOT# monitoring. */ #define BD9995X_PWR_SAVE_HIGH 0x5 /* BGATE OFF */ #define BD9995X_PWR_SAVE_MAX 0x6 #define BD9995X_CMD_DEBUG_MODE_SET 0x7F /* * Non-standard interface functions - bd9995x integrates additional * functionality not part of the standard charger interface. */ /* Is VBUS provided or external power present */ int bd9995x_is_vbus_provided(enum bd9995x_charge_port port); /* Select or deselect input port from {VCC, VBUS, VCC&VBUS}. */ int bd9995x_select_input_port(enum bd9995x_charge_port port, int select); /* Enable/Disable charging triggered by BC1.2 */ int bd9995x_bc12_enable_charging(int port, int enable); /* Interrupt handler for USB charger VBUS */ void bd9995x_vbus_interrupt(enum gpio_signal signal); /* Read temperature measurement value (in Celsius) */ int bd9995x_get_battery_temp(int *temp_ptr); /* Set power save mode */ void bd9995x_set_power_save_mode(int mode); /* Get Battery Voltage Measurement Value */ int bd9995x_get_battery_voltage(void); #ifdef CONFIG_CMD_I2C_STRESS_TEST_CHARGER extern struct i2c_stress_test_dev bd9995x_i2c_stress_test_dev; #endif #endif /* __CROS_EC_BD9995X_H */