Atmosphere/stratosphere/boot/source/boot_bq24193_charger.hpp

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/*
* Copyright (c) 2018-2019 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
namespace sts::boot::bq24193 {
constexpr u8 InputSourceControl = 0x00;
constexpr u8 PowerOnConfiguration = 0x01;
constexpr u8 ChargeCurrentControl = 0x02;
constexpr u8 PreChargeTerminationCurrentControl = 0x03;
constexpr u8 ChargeVoltageControl = 0x04;
constexpr u8 ChargeTerminationTimerControl = 0x05;
constexpr u8 IrCompensationThermalRegulationControl = 0x06;
constexpr u8 MiscOperationControl = 0x07;
constexpr u8 SystemStatus = 0x08;
constexpr u8 Fault = 0x09;
constexpr u8 VendorPartRevisionStatus = 0x0A;
enum ChargerConfiguration : u8 {
ChargerConfiguration_ChargeDisable = (0 << 4),
ChargerConfiguration_ChargeBattery = (1 << 4),
ChargerConfiguration_Otg = (2 << 4),
};
constexpr u32 ChargeVoltageLimitMin = 3504;
constexpr u32 ChargeVoltageLimitMax = 4208;
inline u8 EncodeChargeVoltageLimit(u32 voltage) {
STS_ASSERT(voltage >= ChargeVoltageLimitMin);
STS_ASSERT(voltage <= ChargeVoltageLimitMax);
voltage -= ChargeVoltageLimitMin;
voltage >>= 4;
return static_cast<u8>(voltage << 2);
}
inline u32 DecodeChargeVoltageLimit(u8 reg) {
return ChargeVoltageLimitMin + (static_cast<u32>(reg & 0xFC) << 2);
}
constexpr u32 FastChargeCurrentLimitMin = 512;
constexpr u32 FastChargeCurrentLimitMax = 4544;
inline u8 EncodeFastChargeCurrentLimit(u32 current) {
STS_ASSERT(current >= FastChargeCurrentLimitMin);
STS_ASSERT(current <= FastChargeCurrentLimitMax);
current -= FastChargeCurrentLimitMin;
current >>= 6;
return static_cast<u8>(current << 2);
}
inline u32 DecodeFastChargeCurrentLimit(u8 reg) {
return FastChargeCurrentLimitMin + (static_cast<u32>(reg & 0xFC) << 4);
}
enum InputCurrentLimit : u8 {
InputCurrentLimit_100mA = 0,
InputCurrentLimit_150mA = 1,
InputCurrentLimit_500mA = 2,
InputCurrentLimit_900mA = 3,
InputCurrentLimit_1200mA = 4,
InputCurrentLimit_1500mA = 5,
InputCurrentLimit_2000mA = 6,
InputCurrentLimit_3000mA = 7,
};
constexpr u32 PreChargeCurrentLimitMin = 128;
constexpr u32 PreChargeCurrentLimitMax = 2048;
inline u8 EncodePreChargeCurrentLimit(u32 current) {
STS_ASSERT(current >= PreChargeCurrentLimitMin);
STS_ASSERT(current <= PreChargeCurrentLimitMax);
current -= PreChargeCurrentLimitMin;
current >>= 7;
return static_cast<u8>(current << 4);
}
inline u32 DecodePreChargeCurrentLimit(u8 reg) {
return PreChargeCurrentLimitMin + (static_cast<u32>(reg & 0xF0) << 3);
}
constexpr u32 TerminationCurrentLimitMin = 128;
constexpr u32 TerminationCurrentLimitMax = 2048;
inline u8 EncodeTerminationCurrentLimit(u32 current) {
STS_ASSERT(current >= TerminationCurrentLimitMin);
STS_ASSERT(current <= TerminationCurrentLimitMax);
current -= TerminationCurrentLimitMin;
current >>= 7;
return static_cast<u8>(current);
}
inline u32 DecodeTerminationCurrentLimit(u8 reg) {
return TerminationCurrentLimitMin + (static_cast<u32>(reg & 0xF) << 7);
}
constexpr u32 MinimumSystemVoltageLimitMin = 3000;
constexpr u32 MinimumSystemVoltageLimitMax = 3700;
inline u8 EncodeMinimumSystemVoltageLimit(u32 voltage) {
STS_ASSERT(voltage >= MinimumSystemVoltageLimitMin);
STS_ASSERT(voltage <= MinimumSystemVoltageLimitMax);
voltage -= MinimumSystemVoltageLimitMin;
voltage /= 100;
return static_cast<u8>(voltage << 1);
}
inline u32 DecodeMinimumSystemVoltageLimit(u8 reg) {
return MinimumSystemVoltageLimitMin + (static_cast<u32>(reg & 0x0E) * 50);
}
enum WatchdogTimerSetting : u8 {
WatchdogTimerSetting_Disabled = (0 << 4),
WatchdogTimerSetting_40s = (1 << 4),
WatchdogTimerSetting_80s = (2 << 4),
WatchdogTimerSetting_160s = (3 << 4),
};
enum BoostModeCurrentLimit : u8 {
BoostModeCurrentLimit_500mA = 0,
BoostModeCurrentLimit_1300mA = 1,
};
}