Atmosphere/stratosphere/boot/source/i2c_driver/i2c_device_config.cpp
2019-05-09 05:03:35 -07:00

118 lines
5.8 KiB
C++

/*
* 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/>.
*/
#include <switch.h>
#include <stratosphere.hpp>
#include "i2c_types.hpp"
struct DeviceConfig {
I2cDevice device;
I2cBus bus;
u32 slave_address;
AddressingMode addressing_mode;
SpeedMode speed_mode;
u32 max_retries;
u64 retry_wait_time;
};
static constexpr DeviceConfig g_device_configs[I2cDevice_Count] = {
{I2cDevice_DebugPad, I2cBus_I2c1, 0x52, AddressingMode_7Bit, SpeedMode_Normal, 0, 0},
{I2cDevice_TouchPanel, I2cBus_I2c3, 0x49, AddressingMode_7Bit, SpeedMode_Fast, 0, 0},
{I2cDevice_Tmp451, I2cBus_I2c1, 0x4c, AddressingMode_7Bit, SpeedMode_Normal, 0, 0},
{I2cDevice_Nct72, I2cBus_I2c1, 0x4c, AddressingMode_7Bit, SpeedMode_Normal, 0, 0},
{I2cDevice_Alc5639, I2cBus_I2c1, 0x1c, AddressingMode_7Bit, SpeedMode_Normal, 0, 0},
{I2cDevice_Max77620Rtc, I2cBus_I2c5, 0x68, AddressingMode_7Bit, SpeedMode_Fast, 3, 5'000'000},
{I2cDevice_Max77620Pmic, I2cBus_I2c5, 0x3c, AddressingMode_7Bit, SpeedMode_Fast, 3, 5'000'000},
{I2cDevice_Max77621Cpu, I2cBus_I2c5, 0x1b, AddressingMode_7Bit, SpeedMode_Fast, 3, 5'000'000},
{I2cDevice_Max77621Gpu, I2cBus_I2c5, 0x1c, AddressingMode_7Bit, SpeedMode_Fast, 3, 5'000'000},
{I2cDevice_Bq24193, I2cBus_I2c1, 0x6b, AddressingMode_7Bit, SpeedMode_Normal, 3, 5'000'000},
{I2cDevice_Max17050, I2cBus_I2c1, 0x36, AddressingMode_7Bit, SpeedMode_Normal, 3, 5'000'000},
{I2cDevice_Bm92t30mwv, I2cBus_I2c1, 0x18, AddressingMode_7Bit, SpeedMode_Normal, 3, 5'000'000},
{I2cDevice_Ina226Vdd15v0Hb, I2cBus_I2c2, 0x40, AddressingMode_7Bit, SpeedMode_Fast, 3, 5'000'000},
{I2cDevice_Ina226VsysCpuDs, I2cBus_I2c2, 0x41, AddressingMode_7Bit, SpeedMode_Fast, 3, 5'000'000},
{I2cDevice_Ina226VsysGpuDs, I2cBus_I2c2, 0x44, AddressingMode_7Bit, SpeedMode_Fast, 3, 5'000'000},
{I2cDevice_Ina226VsysDdrDs, I2cBus_I2c2, 0x45, AddressingMode_7Bit, SpeedMode_Fast, 3, 5'000'000},
{I2cDevice_Ina226VsysAp, I2cBus_I2c2, 0x46, AddressingMode_7Bit, SpeedMode_Fast, 3, 5'000'000},
{I2cDevice_Ina226VsysBlDs, I2cBus_I2c2, 0x47, AddressingMode_7Bit, SpeedMode_Fast, 3, 5'000'000},
{I2cDevice_Bh1730, I2cBus_I2c2, 0x29, AddressingMode_7Bit, SpeedMode_Fast, 3, 5'000'000},
{I2cDevice_Ina226VsysCore, I2cBus_I2c2, 0x48, AddressingMode_7Bit, SpeedMode_Fast, 3, 5'000'000},
{I2cDevice_Ina226Soc1V8, I2cBus_I2c2, 0x49, AddressingMode_7Bit, SpeedMode_Fast, 3, 5'000'000},
{I2cDevice_Ina226Lpddr1V8, I2cBus_I2c2, 0x4a, AddressingMode_7Bit, SpeedMode_Fast, 3, 5'000'000},
{I2cDevice_Ina226Reg1V32, I2cBus_I2c2, 0x4b, AddressingMode_7Bit, SpeedMode_Fast, 3, 5'000'000},
{I2cDevice_Ina226Vdd3V3Sys, I2cBus_I2c2, 0x4d, AddressingMode_7Bit, SpeedMode_Fast, 3, 5'000'000},
{I2cDevice_HdmiDdc, I2cBus_I2c4, 0x50, AddressingMode_7Bit, SpeedMode_Normal, 0, 0},
{I2cDevice_HdmiScdc, I2cBus_I2c4, 0x54, AddressingMode_7Bit, SpeedMode_Normal, 0, 0},
{I2cDevice_HdmiHdcp, I2cBus_I2c4, 0x3a, AddressingMode_7Bit, SpeedMode_Normal, 0, 0},
{I2cDevice_Fan53528, I2cBus_I2c5, 0xa4, AddressingMode_7Bit, SpeedMode_Fast, 0, 0},
{I2cDevice_Max77812_3, I2cBus_I2c5, 0x31, AddressingMode_7Bit, SpeedMode_Fast, 0, 0},
{I2cDevice_Max77812_2, I2cBus_I2c5, 0x33, AddressingMode_7Bit, SpeedMode_Fast, 0, 0},
{I2cDevice_Ina226VddDdr0V6, I2cBus_I2c2, 0x4e, AddressingMode_7Bit, SpeedMode_Fast, 3, 5'000'000},
};
static constexpr size_t NumDeviceConfigs = sizeof(g_device_configs) / sizeof(g_device_configs[0]);
static constexpr size_t I2cDeviceInvalidIndex = static_cast<size_t>(-1);
static size_t GetI2cDeviceIndex(I2cDevice dev) {
for (size_t i = 0; i < NumDeviceConfigs; i++) {
if (g_device_configs[i].device == dev) {
return i;
}
}
return I2cDeviceInvalidIndex;
}
bool IsI2cDeviceSupported(I2cDevice dev) {
return GetI2cDeviceIndex(dev) != I2cDeviceInvalidIndex;
}
I2cBus GetI2cDeviceBus(I2cDevice dev) {
const size_t dev_idx = GetI2cDeviceIndex(dev);
if (dev_idx == I2cDeviceInvalidIndex) { std::abort(); }
return g_device_configs[dev_idx].bus;
}
u32 GetI2cDeviceSlaveAddress(I2cDevice dev) {
const size_t dev_idx = GetI2cDeviceIndex(dev);
if (dev_idx == I2cDeviceInvalidIndex) { std::abort(); }
return g_device_configs[dev_idx].slave_address;
}
AddressingMode GetI2cDeviceAddressingMode(I2cDevice dev) {
const size_t dev_idx = GetI2cDeviceIndex(dev);
if (dev_idx == I2cDeviceInvalidIndex) { std::abort(); }
return g_device_configs[dev_idx].addressing_mode;
}
SpeedMode GetI2cDeviceSpeedMode(I2cDevice dev) {
const size_t dev_idx = GetI2cDeviceIndex(dev);
if (dev_idx == I2cDeviceInvalidIndex) { std::abort(); }
return g_device_configs[dev_idx].speed_mode;
}
u32 GetI2cDeviceMaxRetries(I2cDevice dev) {
const size_t dev_idx = GetI2cDeviceIndex(dev);
if (dev_idx == I2cDeviceInvalidIndex) { std::abort(); }
return g_device_configs[dev_idx].max_retries;
}
u64 GetI2cDeviceRetryWaitTime(I2cDevice dev) {
const size_t dev_idx = GetI2cDeviceIndex(dev);
if (dev_idx == I2cDeviceInvalidIndex) { std::abort(); }
return g_device_configs[dev_idx].retry_wait_time;
}