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/*
* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Singleton.h>
#include <Kernel/ACPI/Parser.h>
#include <Kernel/CommandLine.h>
#include <Kernel/Devices/HID/HIDManagement.h>
#include <Kernel/Devices/HID/I8042Controller.h>
#include <Kernel/Sections.h>
namespace Kernel {
Atomic<bool> g_caps_lock_remapped_to_ctrl;
static Singleton<HIDManagement> s_the;
// clang-format off
static constexpr Keyboard::CharacterMapData DEFAULT_CHARACTER_MAP =
{
.map = {
0, '\033', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', 0x08,
'\t', 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\n',
0, 'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', '`', 0,
'\\', 'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/', 0, '*', 0,
' ', 0, 0,
//60 70 80
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '7', '8', '9', '-', '4', '5', '6', '+', '1', '2', '3', '0', '.', 0, 0, '\\', 0, 0, 0,
},
.shift_map = {
0, '\033', '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+', 0x08,
'\t', 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '{', '}', '\n',
0, 'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', '"', '~', 0,
'|', 'Z', 'X', 'C', 'V', 'B', 'N', 'M', '<', '>', '?', 0, '*', 0,
' ', 0, 0,
//60 70 80
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '7', '8', '9', '-', '4', '5', '6', '+', '1', '2', '3', '0', '.', 0, 0, '|', 0, 0, 0,
},
.alt_map = {
0, '\033', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', 0x08,
'\t', 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\n',
0, 'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', '`', 0,
'\\', 'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/', 0, '*', 0,
' ', 0, 0,
//60 70 80
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '7', '8', '9', '-', '4', '5', '6', '+', '1', '2', '3', '0', '.', 0, 0, '\\', 0, 0, 0,
},
.altgr_map = {
0, '\033', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', 0x08,
'\t', 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\n',
0, 'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', '`', 0,
'\\', 'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/', 0, '*', 0,
' ', 0, 0,
//60 70 80
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '7', '8', '9', '-', '4', '5', '6', '+', '1', '2', '3', '0', '.', 0, 0, '\\', 0, 0, 0,
},
.shift_altgr_map = {
0, '\033', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', 0x08,
'\t', 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\n',
0, 'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', '`', 0,
'\\', 'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/', 0, '*', 0,
' ', 0, 0,
//60 70 80
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '7', '8', '9', '-', '4', '5', '6', '+', '1', '2', '3', '0', '.', 0, 0, '\\', 0, 0, 0,
},
};
// clang-format on
size_t HIDManagement::generate_minor_device_number_for_mouse()
{
// FIXME: Lock this to prevent race conditions with hot-plugging devices!
return m_mouse_minor_number++;
}
size_t HIDManagement::generate_minor_device_number_for_keyboard()
{
// FIXME: Lock this to prevent race conditions with hot-plugging devices!
return m_keyboard_minor_number++;
}
UNMAP_AFTER_INIT HIDManagement::HIDManagement()
: m_character_map("en-us", DEFAULT_CHARACTER_MAP)
{
}
void HIDManagement::set_maps(const Keyboard::CharacterMapData& character_map_data, const String& character_map_name)
{
m_character_map.set_character_map_data(character_map_data);
m_character_map.set_character_map_name(character_map_name);
dbgln("New Character map '{}' passed in by client.", character_map_name);
}
UNMAP_AFTER_INIT void HIDManagement::enumerate()
{
// FIXME: When we have USB HID support, we should ensure that we disable
// emulation of the PS/2 controller if it was set by the BIOS.
// If ACPI indicates we have an i8042 controller and the USB controller was
// set to emulate PS/2, we should not initialize the PS/2 controller.
if (kernel_command_line().disable_ps2_controller())
return;
if (ACPI::Parser::the() && !ACPI::Parser::the()->have_8042())
return;
m_i8042_controller = I8042Controller::initialize();
m_i8042_controller->detect_devices();
if (m_i8042_controller->mouse())
m_hid_devices.append(m_i8042_controller->mouse().release_nonnull());
if (m_i8042_controller->keyboard())
m_hid_devices.append(m_i8042_controller->keyboard().release_nonnull());
}
UNMAP_AFTER_INIT void HIDManagement::initialize()
{
VERIFY(!s_the.is_initialized());
s_the.ensure_instance();
s_the->enumerate();
}
HIDManagement& HIDManagement::the()
{
return *s_the;
}
}
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