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https://github.com/CTCaer/hekate.git
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185526d134
BDK will allow developers to use the full collection of drivers, with limited editing, if any, for making payloads for Nintendo Switch. Using a single source for everything will also help decoupling Switch specific code and easily port it to other Tegra X1/X1+ platforms. And maybe even to lower targets. Everything is now centrilized into bdk folder. Every module or project can utilize it by simply including it. This is just the start and it will continue to improve.
121 lines
3.8 KiB
C
121 lines
3.8 KiB
C
/*
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* Battery charger driver for Nintendo Switch's TI BQ24193
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*
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* Copyright (c) 2018 CTCaer
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __BQ24193_H_
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#define __BQ24193_H_
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#define BQ24193_I2C_ADDR 0x6B
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// REG 0 masks.
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#define BQ24193_INCONFIG_INLIMIT_MASK (7<<0)
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#define BQ24193_INCONFIG_VINDPM_MASK 0x78
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#define BQ24193_INCONFIG_HIZ_EN_MASK (1<<7)
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// REG 1 masks.
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#define BQ24193_PORCONFIG_BOOST_MASK (1<<0)
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#define BQ24193_PORCONFIG_SYSMIN_MASK (7<<1)
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#define BQ24193_PORCONFIG_CHGCONFIG_MASK (3<<4)
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#define BQ24193_PORCONFIG_CHGCONFIG_CHARGER_EN (1<<4)
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#define BQ24193_PORCONFIG_I2CWATCHDOG_MASK (1<<6)
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#define BQ24193_PORCONFIG_RESET_MASK (1<<7)
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// REG 2 masks.
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#define BQ24193_CHRGCURR_20PCT_MASK (1<<0)
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#define BQ24193_CHRGCURR_ICHG_MASK 0xFC
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// REG 3 masks.
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#define BQ24193_PRECHRG_ITERM 0x0F
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#define BQ24193_PRECHRG_IPRECHG 0xF0
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// REG 4 masks.
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#define BQ24193_CHRGVOLT_VTHRES (1<<0)
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#define BQ24193_CHRGVOLT_BATTLOW (1<<1)
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#define BQ24193_CHRGVOLT_VREG 0xFC
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// REG 5 masks.
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#define BQ24193_CHRGTERM_ISET_MASK (1<<0)
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#define BQ24193_CHRGTERM_CHGTIMER_MASK (3<<1)
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#define BQ24193_CHRGTERM_ENTIMER_MASK (1<<3)
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#define BQ24193_CHRGTERM_WATCHDOG_MASK (3<<4)
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#define BQ24193_CHRGTERM_TERM_ST_MASK (1<<6)
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#define BQ24193_CHRGTERM_TERM_EN_MASK (1<<7)
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// REG 6 masks.
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#define BQ24193_IRTHERMAL_THERM_MASK (3<<0)
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#define BQ24193_IRTHERMAL_VCLAMP_MASK (7<<2)
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#define BQ24193_IRTHERMAL_BATTCOMP_MASK (7<<5)
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// REG 7 masks.
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#define BQ24193_MISC_INT_MASK (3<<0)
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#define BQ24193_MISC_VSET_MASK (1<<4)
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#define BQ24193_MISC_BATFET_DI_MASK (1<<5)
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#define BQ24193_MISC_TMR2X_EN_MASK (1<<6)
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#define BQ24193_MISC_DPDM_EN_MASK (1<<7)
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// REG 8 masks.
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#define BQ24193_STATUS_VSYS_MASK (1<<0)
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#define BQ24193_STATUS_THERM_MASK (1<<1)
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#define BQ24193_STATUS_PG_MASK (1<<2)
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#define BQ24193_STATUS_DPM_MASK (1<<3)
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#define BQ24193_STATUS_CHRG_MASK (3<<4)
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#define BQ24193_STATUS_VBUS_MASK (3<<6)
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// REG 9 masks.
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#define BQ24193_FAULT_THERM_MASK (7<<0)
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#define BQ24193_FAULT_BATT_OVP_MASK (1<<3)
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#define BQ24193_FAULT_CHARGE_MASK (3<<4)
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#define BQ24193_FAULT_BOOST_MASK (1<<6)
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#define BQ24193_FAULT_WATCHDOG_MASK (1<<7)
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// REG A masks.
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#define BQ24193_VENDORPART_DEV_MASK (3<<0)
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#define BQ24193_VENDORPART_PN_MASK (7<<3)
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enum BQ24193_reg {
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BQ24193_InputSource = 0x00,
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BQ24193_PORConfig = 0x01,
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BQ24193_ChrgCurr = 0x02,
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BQ24193_PreChrgTerm = 0x03,
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BQ24193_ChrgVolt = 0x04,
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BQ24193_ChrgTermTimer = 0x05,
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BQ24193_IRCompThermal = 0x06,
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BQ24193_Misc = 0x07,
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BQ24193_Status = 0x08,
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BQ24193_FaultReg = 0x09,
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BQ24193_VendorPart = 0x0A,
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};
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enum BQ24193_reg_prop {
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BQ24193_InputVoltageLimit, // REG 0.
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BQ24193_InputCurrentLimit, // REG 0.
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BQ24193_SystemMinimumVoltage, // REG 1.
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BQ24193_FastChargeCurrentLimit, // REG 2.
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BQ24193_ChargeVoltageLimit, // REG 4.
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BQ24193_RechargeThreshold, // REG 4.
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BQ24193_ThermalRegulation, // REG 6.
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BQ24193_ChargeStatus, // REG 8.
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BQ24193_TempStatus, // REG 9.
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BQ24193_DevID, // REG A.
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BQ24193_ProductNumber, // REG A.
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};
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int bq24193_get_property(enum BQ24193_reg_prop prop, int *value);
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void bq24193_enable_charger();
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void bq24193_fake_battery_removal();
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#endif /* __BQ24193_H_ */
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