Atmosphere/stratosphere/tma/source/tma_power_manager.cpp

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/*
* Copyright (c) 2018 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 "tma_power_manager.hpp"
static constexpr u16 PscPmModuleId_Usb = 0x04;
static constexpr u16 PscPmModuleId_Pcie = 0x13;
static constexpr u16 PscPmModuleId_Tma = 0x1E;
static const u16 g_tma_pm_dependencies[] = {
PscPmModuleId_Usb,
};
static void (*g_pm_callback)(PscPmState, u32) = nullptr;
static HosThread g_pm_thread;
static void PowerManagerThread(void *arg) {
/* Setup psc module. */
Result rc;
PscPmModule tma_module = {0};
if (R_FAILED((rc = pscGetPmModule(&tma_module, PscPmModuleId_Tma, g_tma_pm_dependencies, sizeof(g_tma_pm_dependencies)/sizeof(u16), true)))) {
fatalSimple(rc);
}
/* For now, just do what dummy tma does -- loop forever, acknowledging everything. */
while (true) {
if (R_FAILED((rc = eventWait(&tma_module.event, U64_MAX)))) {
fatalSimple(rc);
}
PscPmState state;
u32 flags;
if (R_FAILED((rc = pscPmModuleGetRequest(&tma_module, &state, &flags)))) {
fatalSimple(rc);
}
g_pm_callback(state, flags);
if (R_FAILED((rc = pscPmModuleAcknowledge(&tma_module, state)))) {
fatalSimple(rc);
}
}
}
void TmaPowerManager::Initialize(void (*callback)(PscPmState, u32)) {
g_pm_callback = callback;
g_pm_thread.Initialize(PowerManagerThread, nullptr, 0x4000, 0x15);
g_pm_thread.Start();
}
void TmaPowerManager::Finalize() {
/* TODO */
}