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boot: implement PmicDriver::ShutdownSystem

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This commit is contained in:
Michael Scire 2019-05-09 02:45:31 -07:00
parent 7581306109
commit 1456246f60
6 changed files with 85 additions and 4 deletions
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63
stratosphere/boot/source/boot_pmic_driver.cpp
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@ -68,6 +68,65 @@ Result PmicDriver::GetPowerButtonPressed(bool *out) {
}
Result PmicDriver::ShutdownSystem(bool reboot) {
/* TODO: Implement this. */
const u8 on_off_1_addr = 0x41;
const u8 on_off_2_addr = 0x42;
/* Get value, set or clear software reset mask. */
u8 on_off_2_val = 0;
if (R_FAILED(Boot::ReadI2cRegister(this->i2c_session, &on_off_2_val, sizeof(on_off_2_val), &on_off_2_addr, sizeof(on_off_2_addr)))) {
std::abort();
}
if (reboot) {
on_off_2_val |= 0x80;
} else {
on_off_2_val &= ~0x80;
}
if (R_FAILED(Boot::WriteI2cRegister(this->i2c_session, &on_off_2_val, sizeof(on_off_2_val), &on_off_2_addr, sizeof(on_off_2_addr)))) {
std::abort();
}
/* Get value, set software reset mask. */
u8 on_off_1_val = 0;
if (R_FAILED(Boot::ReadI2cRegister(this->i2c_session, &on_off_1_val, sizeof(on_off_1_val), &on_off_1_addr, sizeof(on_off_1_addr)))) {
std::abort();
}
on_off_1_val |= 0x80;
/* Finalize the battery. */
{
BatteryDriver battery_driver;
this->FinalizeBattery(&battery_driver);
}
/* Actually write the value to trigger shutdown/reset. */
if (R_FAILED(Boot::WriteI2cRegister(this->i2c_session, &on_off_1_val, sizeof(on_off_1_val), &on_off_1_addr, sizeof(on_off_1_addr)))) {
std::abort();
}
/* Allow up to 5 seconds for shutdown/reboot to take place. */
svcSleepThread(5'000'000'000ul);
std::abort();
}
}
void PmicDriver::FinalizeBattery(BatteryDriver *battery_driver) {
/* Set shutdown timer. */
battery_driver->SetShutdownTimer();
/* Get whether shutdown is enabled. */
bool shutdown_enabled;
if (R_FAILED(battery_driver->GetShutdownEnabled(&shutdown_enabled))) {
return;
}
bool ac_ok;
bool desired_shutdown_enabled;
if (R_FAILED(this->GetAcOk(&ac_ok)) || ac_ok) {
desired_shutdown_enabled = false;
} else {
desired_shutdown_enabled = true;
}
if (shutdown_enabled != desired_shutdown_enabled) {
battery_driver->SetShutdownEnabled(desired_shutdown_enabled);
}
}