mirror of
https://github.com/Atmosphere-NX/Atmosphere-libs.git
synced 2025-10-31 03:25:47 +01:00
292 lines
12 KiB
C++
292 lines
12 KiB
C++
/*
|
|
* Copyright (c) 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>
|
|
#include "max77620.h"
|
|
#include "max7762x.h"
|
|
|
|
namespace ams::pmic {
|
|
|
|
namespace {
|
|
|
|
constexpr inline int I2cAddressEristaMax77621 = 0x1B;
|
|
constexpr inline int I2cAddressMarikoMax77812_A = 0x31;
|
|
constexpr inline int I2cAddressMarikoMax77812_B = 0x33;
|
|
|
|
constexpr inline int I2cAddressMax77620Pmic = 0x3C;
|
|
|
|
/* https://github.com/Atmosphere-NX/Atmosphere/blob/master/emummc/source/power/max77620.h */
|
|
/* https://github.com/Atmosphere-NX/Atmosphere/blob/master/emummc/source/power/max7762x.h */
|
|
/* TODO: Find datasheet, link to it instead. */
|
|
/* NOTE: Tentatively, Max77620 "mostly" matches https://datasheets.maximintegrated.com/en/ds/MAX77863.pdf. */
|
|
/* This does not contain Max77621 documentation, though. */
|
|
constexpr inline int Max77620RegisterCnfgBbc = 0x04;
|
|
constexpr inline int Max77620RegisterOnOffStat = 0x15;
|
|
constexpr inline int Max77620RegisterSd0 = 0x16;
|
|
constexpr inline int Max77620RegisterSd1 = 0x17;
|
|
constexpr inline int Max77620RegisterCnfg2Sd = 0x22;
|
|
constexpr inline int Max77620RegisterCnfg1Ldo8 = 0x33;
|
|
constexpr inline int Max77620RegisterGpio0 = 0x36;
|
|
constexpr inline int Max77620RegisterAmeGpio = 0x40;
|
|
constexpr inline int Max77620RegisterOnOffCnfg1 = 0x41;
|
|
constexpr inline int Max77620RegisterCnfgFps0 = 0x43;
|
|
constexpr inline int Max77620RegisterCnfgFps1 = 0x44;
|
|
constexpr inline int Max77620RegisterCnfgFps2 = 0x45;
|
|
constexpr inline int Max77620RegisterFpsLdo4 = 0x4A;
|
|
constexpr inline int Max77620RegisterFpsLdo8 = 0x4E;
|
|
constexpr inline int Max77620RegisterFpsSd0 = 0x4F;
|
|
constexpr inline int Max77620RegisterFpsSd1 = 0x50;
|
|
constexpr inline int Max77620RegisterFpsSd3 = 0x52;
|
|
constexpr inline int Max77620RegisterFpsGpio3 = 0x56;
|
|
|
|
constexpr inline int Max77621RegisterVOut = 0x00;
|
|
constexpr inline int Max77621RegisterVOutDvc = 0x01;
|
|
constexpr inline int Max77621RegisterControl1 = 0x02;
|
|
constexpr inline int Max77621RegisterControl2 = 0x03;
|
|
|
|
|
|
/* https://datasheets.maximintegrated.com/en/ds/MAX77812.pdf */
|
|
constexpr inline int Max77812RegisterEnCtrl = 0x06;
|
|
constexpr inline int Max77812RegisterM4VOut = 0x26;
|
|
|
|
void Max77620EnableGpio(int gpio) {
|
|
u8 val;
|
|
|
|
/* Clear the AE for the GPIO */
|
|
if (i2c::Query(std::addressof(val), sizeof(val), i2c::Port_5, I2cAddressMax77620Pmic, Max77620RegisterAmeGpio)) {
|
|
val &= ~(1 << gpio);
|
|
i2c::SendByte(i2c::Port_5, I2cAddressMax77620Pmic, Max77620RegisterAmeGpio, val);
|
|
}
|
|
|
|
/* Set GPIO_DRV_PUSHPULL (bit 0), GPIO_OUTPUT_VAL_HIGH (bit 3). */
|
|
i2c::SendByte(i2c::Port_5, I2cAddressMax77620Pmic, Max77620RegisterGpio0 + gpio, MAX77620_CNFG_GPIO_DRV_PUSHPULL | MAX77620_CNFG_GPIO_OUTPUT_VAL_HIGH);
|
|
}
|
|
|
|
void SetEnBitErista() {
|
|
i2c::SendByte(i2c::Port_5, I2cAddressEristaMax77621, Max77621RegisterVOut, MAX77621_VOUT_ENABLE);
|
|
}
|
|
|
|
void EnableVddCpuErista() {
|
|
/* Enable GPIO 5. */
|
|
/* TODO: What does this control? */
|
|
Max77620EnableGpio(5);
|
|
|
|
/* Configure Max77621 control registers. */
|
|
i2c::SendByte(i2c::Port_5, I2cAddressEristaMax77621, Max77621RegisterControl1, MAX77621_AD_ENABLE | MAX77621_NFSR_ENABLE | MAX77621_SNS_ENABLE | MAX77621_RAMP_12mV_PER_US);
|
|
i2c::SendByte(i2c::Port_5, I2cAddressEristaMax77621, Max77621RegisterControl2, MAX77621_T_JUNCTION_120 | MAX77621_WDTMR_ENABLE | MAX77621_CKKADV_TRIP_75mV_PER_US| MAX77621_INDUCTOR_NOMINAL);
|
|
|
|
/* Configure Max77621 VOut to 0.95v */
|
|
i2c::SendByte(i2c::Port_5, I2cAddressEristaMax77621, Max77621RegisterVOut, MAX77621_VOUT_ENABLE | MAX77621_VOUT_0_95V);
|
|
i2c::SendByte(i2c::Port_5, I2cAddressEristaMax77621, Max77621RegisterVOutDvc, MAX77621_VOUT_ENABLE | MAX77621_VOUT_0_95V);
|
|
}
|
|
|
|
void DisableVddCpuErista() {
|
|
/* Disable Max77621 VOut. */
|
|
i2c::SendByte(i2c::Port_5, I2cAddressEristaMax77621, Max77621RegisterVOut, MAX77621_VOUT_DISABLE);
|
|
}
|
|
|
|
int GetI2cAddressForMarikoMax77812(Regulator regulator) {
|
|
switch (regulator) {
|
|
case Regulator_Mariko_Max77812_A: return I2cAddressMarikoMax77812_A;
|
|
case Regulator_Mariko_Max77812_B: return I2cAddressMarikoMax77812_B;
|
|
AMS_UNREACHABLE_DEFAULT_CASE();
|
|
}
|
|
}
|
|
|
|
void SetEnBitMariko(Regulator regulator) {
|
|
/* Set EN_M3_LPM to enable BUCK Master 3 low power mode. */
|
|
i2c::SendByte(i2c::Port_5, GetI2cAddressForMarikoMax77812(regulator), Max77812RegisterEnCtrl, 0x40);
|
|
}
|
|
|
|
void EnableVddCpuMariko(Regulator regulator) {
|
|
const int address = GetI2cAddressForMarikoMax77812(regulator);
|
|
|
|
/* Set EN_M3_LPM to enable BUCK Master 3 low power mode. */
|
|
u8 ctrl;
|
|
if (i2c::Query(std::addressof(ctrl), sizeof(ctrl), i2c::Port_5, address, Max77812RegisterEnCtrl)) {
|
|
ctrl |= 0x40;
|
|
i2c::SendByte(i2c::Port_5, address, Max77812RegisterEnCtrl, ctrl);
|
|
}
|
|
|
|
/* Set BUCK Master 4 output voltage to 110. */
|
|
i2c::SendByte(i2c::Port_5, address, Max77812RegisterM4VOut, 110);
|
|
}
|
|
|
|
void DisableVddCpuMariko(Regulator regulator) {
|
|
const int address = GetI2cAddressForMarikoMax77812(regulator);
|
|
|
|
/* Clear EN_M3_LPM to disable BUCK Master 3 low power mode. */
|
|
u8 ctrl;
|
|
if (i2c::Query(std::addressof(ctrl), sizeof(ctrl), i2c::Port_5, address, Max77812RegisterEnCtrl)) {
|
|
ctrl &= ~0x40;
|
|
i2c::SendByte(i2c::Port_5, address, Max77812RegisterEnCtrl, ctrl);
|
|
}
|
|
}
|
|
|
|
u8 GetPmicOnOffStat() {
|
|
return i2c::QueryByte(i2c::Port_5, I2cAddressMax77620Pmic, Max77620RegisterOnOffStat);
|
|
}
|
|
|
|
void ShutdownSystemImpl(bool reboot) {
|
|
/* Get value, set or clear software reset mask. */
|
|
u8 on_off_2_val = i2c::QueryByte(i2c::Port_5, I2cAddressMax77620Pmic, MAX77620_REG_ONOFFCNFG2);
|
|
if (reboot) {
|
|
on_off_2_val |= MAX77620_ONOFFCNFG2_SFT_RST_WK;
|
|
} else {
|
|
on_off_2_val &= ~(MAX77620_ONOFFCNFG2_SFT_RST_WK);
|
|
}
|
|
i2c::SendByte(i2c::Port_5, I2cAddressMax77620Pmic, MAX77620_REG_ONOFFCNFG2, on_off_2_val);
|
|
|
|
/* Get value, set software reset mask. */
|
|
u8 on_off_1_val = i2c::QueryByte(i2c::Port_5, I2cAddressMax77620Pmic, MAX77620_REG_ONOFFCNFG1);
|
|
on_off_1_val |= MAX77620_ONOFFCNFG1_SFT_RST;
|
|
|
|
/* NOTE: Here, userland finalizes the battery on non-Calcio. */
|
|
if (fuse::GetHardwareType() != fuse::HardwareType_Calcio) {
|
|
/* ... */
|
|
}
|
|
|
|
/* Actually write the value to trigger shutdown/reset. */
|
|
i2c::SendByte(i2c::Port_5, I2cAddressMax77620Pmic, MAX77620_REG_ONOFFCNFG1, on_off_1_val);
|
|
}
|
|
|
|
void SetBackupBatteryConfig() {
|
|
i2c::SendByte(i2c::Port_5, I2cAddressMax77620Pmic, Max77620RegisterCnfgBbc, 0x40);
|
|
}
|
|
|
|
void SetForcePowerOffTimeConfig() {
|
|
i2c::SendByte(i2c::Port_5, I2cAddressMax77620Pmic, Max77620RegisterOnOffCnfg1, 0x58);
|
|
}
|
|
|
|
void SetFlexiblePowerSequencer() {
|
|
/* Configure FPS registers. */
|
|
i2c::SendByte(i2c::Port_5, I2cAddressMax77620Pmic, Max77620RegisterCnfgFps0, 0x38);
|
|
i2c::SendByte(i2c::Port_5, I2cAddressMax77620Pmic, Max77620RegisterCnfgFps1, 0x3A);
|
|
i2c::SendByte(i2c::Port_5, I2cAddressMax77620Pmic, Max77620RegisterCnfgFps2, 0x38);
|
|
|
|
i2c::SendByte(i2c::Port_5, I2cAddressMax77620Pmic, Max77620RegisterFpsLdo4, 0x0F);
|
|
i2c::SendByte(i2c::Port_5, I2cAddressMax77620Pmic, Max77620RegisterFpsLdo8, 0xC7);
|
|
|
|
i2c::SendByte(i2c::Port_5, I2cAddressMax77620Pmic, Max77620RegisterFpsSd0, 0x4F);
|
|
i2c::SendByte(i2c::Port_5, I2cAddressMax77620Pmic, Max77620RegisterFpsSd1, 0x29);
|
|
i2c::SendByte(i2c::Port_5, I2cAddressMax77620Pmic, Max77620RegisterFpsSd3, 0x1B);
|
|
|
|
i2c::SendByte(i2c::Port_5, I2cAddressMax77620Pmic, Max77620RegisterFpsGpio3, 0x22);
|
|
}
|
|
|
|
void SetVoltage(int reg, int mv) {
|
|
const u8 v = ((mv - 600) * 1000) / 12500;
|
|
i2c::SendByte(i2c::Port_5, I2cAddressMax77620Pmic, reg, v);
|
|
}
|
|
|
|
}
|
|
|
|
void SetEnBit(Regulator regulator) {
|
|
switch (regulator) {
|
|
case Regulator_Erista_Max77621:
|
|
return SetEnBitErista();
|
|
case Regulator_Mariko_Max77812_A:
|
|
case Regulator_Mariko_Max77812_B:
|
|
return SetEnBitMariko(regulator);
|
|
AMS_UNREACHABLE_DEFAULT_CASE();
|
|
}
|
|
}
|
|
|
|
void EnableVddCpu(Regulator regulator) {
|
|
switch (regulator) {
|
|
case Regulator_Erista_Max77621:
|
|
return EnableVddCpuErista();
|
|
case Regulator_Mariko_Max77812_A:
|
|
case Regulator_Mariko_Max77812_B:
|
|
return EnableVddCpuMariko(regulator);
|
|
AMS_UNREACHABLE_DEFAULT_CASE();
|
|
}
|
|
}
|
|
|
|
void DisableVddCpu(Regulator regulator) {
|
|
switch (regulator) {
|
|
case Regulator_Erista_Max77621:
|
|
return DisableVddCpuErista();
|
|
case Regulator_Mariko_Max77812_A:
|
|
case Regulator_Mariko_Max77812_B:
|
|
return DisableVddCpuMariko(regulator);
|
|
AMS_UNREACHABLE_DEFAULT_CASE();
|
|
}
|
|
}
|
|
|
|
void EnableSleep() {
|
|
/* Get the current onoff cfg. */
|
|
u8 cnfg = i2c::QueryByte(i2c::Port_5, I2cAddressMax77620Pmic, Max77620RegisterOnOffCnfg1);
|
|
|
|
/* Set SlpEn. */
|
|
cnfg |= MAX77620_ONOFFCNFG1_SLPEN;
|
|
|
|
/* Write the new cfg. */
|
|
i2c::SendByte(i2c::Port_5, I2cAddressMax77620Pmic, Max77620RegisterOnOffCnfg1, cnfg);
|
|
}
|
|
|
|
void ShutdownSystem(bool reboot) {
|
|
ShutdownSystemImpl(reboot);
|
|
|
|
/* Allow up to 5 seconds for shutdown/reboot to take place. */
|
|
util::WaitMicroSeconds(5'000'000ul);
|
|
|
|
AMS_ABORT("Shutdown failed");
|
|
}
|
|
|
|
void PowerOff() {
|
|
ShutdownSystemImpl(false);
|
|
}
|
|
|
|
bool IsAcOk() {
|
|
return (GetPmicOnOffStat() & (1 << 1)) != 0;
|
|
}
|
|
|
|
bool IsPowerButtonPressed() {
|
|
return (GetPmicOnOffStat() & (1 << 2)) != 0;
|
|
}
|
|
|
|
void SetSystemSetting(fuse::SocType soc_type) {
|
|
SetBackupBatteryConfig();
|
|
SetForcePowerOffTimeConfig();
|
|
if (soc_type == fuse::SocType_Erista) {
|
|
SetFlexiblePowerSequencer();
|
|
}
|
|
}
|
|
|
|
void EnableVddCore(fuse::SocType soc_type) {
|
|
if (soc_type == fuse::SocType_Erista) {
|
|
SetVoltage(Max77620RegisterSd0, 1125);
|
|
} else /* if (soc_type == fuse::SocType_Mariko) */ {
|
|
SetVoltage(Max77620RegisterSd0, 1050);
|
|
}
|
|
}
|
|
|
|
void EnableLdo8() {
|
|
i2c::SendByte(i2c::Port_5, I2cAddressMax77620Pmic, Max77620RegisterCnfg1Ldo8, 0xE8);
|
|
}
|
|
|
|
void EnableVddMemory(fuse::SocType soc_type) {
|
|
/* Disable remote sense for Sd1. */
|
|
i2c::SendByte(i2c::Port_5, I2cAddressMax77620Pmic, Max77620RegisterCnfg2Sd, 0x05);
|
|
|
|
/* On Erista, set Sd1 voltage. */
|
|
if (soc_type == fuse::SocType_Erista) {
|
|
SetVoltage(Max77620RegisterSd1, 1100);
|
|
}
|
|
}
|
|
|
|
}
|