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https://github.com/Atmosphere-NX/Atmosphere-libs.git
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111 lines
3.8 KiB
C++
111 lines
3.8 KiB
C++
/*
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* Copyright (c) Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stratosphere.hpp>
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#include "../../htclow/htclow_manager.hpp"
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namespace ams::htc::server {
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namespace {
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constinit htclow::HtclowManager *g_htclow_manager = nullptr;
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constexpr const psc::PmModuleId PscModuleDependencies[] = { psc::PmModuleId_Pcie, psc::PmModuleId_Usb };
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psc::PmModule g_pm_module;
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constinit bool g_is_asleep = false;
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constinit bool g_is_suspended = false;
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}
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void InitializePowerStateMonitor(htclow::impl::DriverType driver_type, htclow::HtclowManager *htclow_manager) {
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AMS_UNUSED(driver_type);
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/* Set the htclow manager. */
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g_htclow_manager = htclow_manager;
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/* Initialize pm module. */
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R_ABORT_UNLESS(g_pm_module.Initialize(psc::PmModuleId_TmaHostIo, PscModuleDependencies, util::size(PscModuleDependencies), os::EventClearMode_AutoClear));
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/* We're neither asleep nor suspended. */
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g_is_asleep = false;
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g_is_suspended = false;
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}
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void FinalizePowerStateMonitor() {
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R_ABORT_UNLESS(g_pm_module.Finalize());
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}
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void LoopMonitorPowerState() {
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/* Get the psc module's event pointer. */
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auto *event = g_pm_module.GetEventPointer();
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while (true) {
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/* Wait for a new power state event. */
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event->Wait();
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/* Get the power state. */
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psc::PmState pm_state;
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psc::PmFlagSet pm_flags;
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R_ABORT_UNLESS(g_pm_module.GetRequest(std::addressof(pm_state), std::addressof(pm_flags)));
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/* Update sleeping state. */
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switch (pm_state) {
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case psc::PmState_FullAwake:
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if (g_is_asleep) {
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g_htclow_manager->NotifyAwake();
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g_is_asleep = false;
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}
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break;
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case psc::PmState_MinimumAwake:
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case psc::PmState_SleepReady:
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case psc::PmState_EssentialServicesSleepReady:
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case psc::PmState_EssentialServicesAwake:
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if (!g_is_asleep) {
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g_htclow_manager->NotifyAsleep();
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g_is_asleep = true;
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}
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break;
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default:
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break;
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}
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/* Update suspend state. */
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switch (pm_state) {
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case psc::PmState_FullAwake:
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case psc::PmState_MinimumAwake:
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if (g_is_suspended) {
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g_htclow_manager->Resume();
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g_is_suspended = false;
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}
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break;
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case psc::PmState_SleepReady:
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case psc::PmState_EssentialServicesSleepReady:
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case psc::PmState_EssentialServicesAwake:
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if (!g_is_suspended) {
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g_htclow_manager->Suspend();
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g_is_suspended = true;
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}
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break;
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default:
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break;
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}
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/* Acknowledge the pm request. */
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R_ABORT_UNLESS(g_pm_module.Acknowledge(pm_state, ResultSuccess()));
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}
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}
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}
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