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/*
* Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <Kernel/Devices/HardwareEventsManager.h>
static HardwareEventsManager* s_hardware_events_manager;
HardwareEventsManager& HardwareEventsManager::the()
{
if (s_hardware_events_manager == nullptr) {
s_hardware_events_manager = new HardwareEventsManager();
}
return *s_hardware_events_manager;
}
HashTable<Device*>& HardwareEventsManager::get_devices_list()
{
return m_devices;
}
void HardwareEventsManager::unregister_device(Device& device)
{
get_devices_list().remove(&device);
}
HardwareEventsManager::HardwareEventsManager()
{
}
Device* HardwareEventsManager::get_device(unsigned major, unsigned minor)
{
for (auto* entry : HardwareEventsManager::get_devices_list()) {
ASSERT(entry != nullptr);
if (entry->major() == major && entry->minor() == minor)
return entry;
}
return nullptr;
}
void HardwareEventsManager::register_device(Device& device, u8)
{
get_devices_list().set(&device);
}
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