mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-24 21:51:15 +00:00
55 lines
1.8 KiB
C++
55 lines
1.8 KiB
C++
/*
|
|
* Copyright (c) 2018-2020 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/>.
|
|
*/
|
|
#include <exosphere.hpp>
|
|
|
|
namespace ams::charger {
|
|
|
|
namespace {
|
|
|
|
/* https://www.ti.com/lit/ds/symlink/bq24193.pdf */
|
|
constexpr inline int I2cAddressBq24193 = 0x6B;
|
|
|
|
constexpr inline int Bq24193RegisterInputSourceControl = 0x00;
|
|
|
|
/* 8.5.1.1 EN_HIZ */
|
|
enum EnHiZ : u8 {
|
|
EnHiZ_Disable = (0u << 7),
|
|
EnHiZ_Enable = (1u << 7),
|
|
|
|
EnHiZ_Mask = (1u << 7),
|
|
};
|
|
|
|
}
|
|
|
|
bool IsHiZMode() {
|
|
return (i2c::QueryByte(i2c::Port_1, I2cAddressBq24193, Bq24193RegisterInputSourceControl) & EnHiZ_Mask) == EnHiZ_Enable;
|
|
}
|
|
|
|
void EnterHiZMode() {
|
|
u8 ctrl = i2c::QueryByte(i2c::Port_1, I2cAddressBq24193, Bq24193RegisterInputSourceControl);
|
|
ctrl &= ~EnHiZ_Mask;
|
|
ctrl |= EnHiZ_Enable;
|
|
i2c::SendByte(i2c::Port_1, I2cAddressBq24193, Bq24193RegisterInputSourceControl, ctrl);
|
|
}
|
|
|
|
void ExitHiZMode() {
|
|
u8 ctrl = i2c::QueryByte(i2c::Port_1, I2cAddressBq24193, Bq24193RegisterInputSourceControl);
|
|
ctrl &= ~EnHiZ_Mask;
|
|
ctrl |= EnHiZ_Disable;
|
|
i2c::SendByte(i2c::Port_1, I2cAddressBq24193, Bq24193RegisterInputSourceControl, ctrl);
|
|
}
|
|
|
|
}
|