/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021-2023, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Types.h>
#include <Kernel/Bus/SerialIO/PS2Definitions.h>
#include <Kernel/Debug.h>
#include <Kernel/Devices/Device.h>
#include <Kernel/Devices/Input/Management.h>
#include <Kernel/Devices/Input/PS2/KeyboardDevice.h>
#include <Kernel/Devices/Input/ScanCodeEvent.h>
#include <Kernel/Sections.h>
#include <Kernel/Tasks/Scheduler.h>
#include <Kernel/Tasks/WorkQueue.h>
namespace Kernel {
// clang-format off
static constexpr KeyCodeEntry unshifted_scan_code_set1_key_map[0x80] = {
{ Key_Invalid, 0xFF }, { Key_Escape, 1 }, { Key_1, 2 }, { Key_2, 3 },
{ Key_3, 4 }, { Key_4, 5 }, { Key_5, 6 }, { Key_6, 7 },
{ Key_7, 8 }, { Key_8, 9 }, { Key_9, 0x0A }, { Key_0, 0x0B },
{ Key_Minus, 0x0C }, { Key_Equal, 0x0D }, { Key_Backspace, 0x0E }, { Key_Tab, 0x0F },
{ Key_Q, 0x10 }, { Key_W, 0x11 }, { Key_E, 0x12 }, { Key_R, 0x13 },
{ Key_T, 0x14 }, { Key_Y, 0x15 }, { Key_U, 0x16 }, { Key_I, 0x17 },
{ Key_O, 0x18 }, { Key_P, 0x19 }, { Key_LeftBracket, 0x1A }, { Key_RightBracket, 0x1B },
{ Key_Return, 0x1C }, { Key_LeftControl, 0x1D }, { Key_A, 0x1E }, { Key_S, 0x1F },
{ Key_D, 0x20 }, { Key_F, 0x21 }, { Key_G, 0x22 }, { Key_H, 0x23 },
{ Key_J, 0x24 }, { Key_K, 0x25 }, { Key_L, 0x26 }, { Key_Semicolon, 0x27 },
{ Key_Apostrophe, 0x28 }, { Key_Backtick, 0x29 }, { Key_LeftShift, 0xFF }, { Key_Backslash, 0x2B },
{ Key_Z, 0x2C }, { Key_X, 0x2D }, { Key_C, 0x2E }, { Key_V, 0x2F },
{ Key_B, 0x30 }, { Key_N, 0x31 }, { Key_M, 0x32 }, { Key_Comma, 0x33 },
{ Key_Period, 0x34 }, { Key_Slash, 0x35 }, { Key_RightShift, 0xFF }, { Key_Asterisk, 0x37 },
{ Key_LeftAlt, 0xFF }, { Key_Space, 0x39 }, { Key_CapsLock, 0xFF }, { Key_F1, 0xFF },
{ Key_F2, 0xFF }, { Key_F3, 0xFF }, { Key_F4, 0xFF }, { Key_F5, 0xFF },
{ Key_F6, 0xFF }, { Key_F7, 0xFF }, { Key_F8, 0xFF }, { Key_F9, 0xFF },
{ Key_F10, 0xFF }, { Key_NumLock, 0x45 }, { Key_ScrollLock, 0xFF }, { Key_Home, 0xFF },
{ Key_Up, 0xFF }, { Key_PageUp, 0xFF }, { Key_Minus, 0x4A }, { Key_Left, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Right, 0xFF }, { Key_Plus, 0x4E }, { Key_End, 0xFF },
{ Key_Down, 0xFF }, { Key_PageDown, 0xFF }, { Key_Insert, 0xFF }, { Key_Delete, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Backslash, 0x56 }, { Key_F11, 0xFF },
{ Key_F12, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_LeftSuper, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Menu, 0xFF },
};
// clang-format on
// clang-format off
static constexpr KeyCodeEntry shifted_scan_code_set1_key_map[0x100] = {
{ Key_Invalid, 0xFF }, { Key_Escape, 1 }, { Key_ExclamationPoint, 2 }, { Key_AtSign, 3 },
{ Key_Hashtag, 4 }, { Key_Dollar, 5 }, { Key_Percent, 6 }, { Key_Circumflex, 7 },
{ Key_Ampersand, 8 }, { Key_Asterisk, 9 }, { Key_LeftParen, 0x0A }, { Key_RightParen, 0x0B },
{ Key_Underscore, 0xC }, { Key_Plus, 0x4E }, { Key_Backspace, 0x0E }, { Key_Tab, 0x0F },
{ Key_Q, 0x10 }, { Key_W, 0x11 }, { Key_E, 0x12 }, { Key_R, 0x13 },
{ Key_T, 0x14 }, { Key_Y, 0x15 }, { Key_U, 0x16 }, { Key_I, 0x17 },
{ Key_O, 0x18 }, { Key_P, 0x19 }, { Key_LeftBrace, 0x1A }, { Key_RightBrace, 0x1B },
{ Key_Return, 0x1C }, { Key_LeftControl, 0x1D }, { Key_A, 0x1E }, { Key_S, 0x1F },
{ Key_D, 0x20 }, { Key_F, 0x21 }, { Key_G, 0x22 }, { Key_H, 0x23 },
{ Key_J, 0x24 }, { Key_K, 0x25 }, { Key_L, 0x26 }, { Key_Colon, 0x27 },
{ Key_DoubleQuote, 0x28 }, { Key_Tilde, 0x29 }, { Key_LeftShift, 0xFF }, { Key_Pipe, 0x2B },
{ Key_Z, 0x2C }, { Key_X, 0x2D }, { Key_C, 0x2E }, { Key_V, 0x2F },
{ Key_B, 0x30 }, { Key_N, 0x31 }, { Key_M, 0x32 }, { Key_LessThan, 0x33 },
{ Key_GreaterThan, 0x34 }, { Key_QuestionMark, 0x35 }, { Key_RightShift, 0xFF }, { Key_Asterisk, 0x37 },
{ Key_LeftAlt, 0xFF }, { Key_Space, 0x39 }, { Key_CapsLock, 0xFF }, { Key_F1, 0xFF },
{ Key_F2, 0xFF }, { Key_F3, 0xFF }, { Key_F4, 0xFF }, { Key_F5, 0xFF },
{ Key_F6, 0xFF }, { Key_F7, 0xFF }, { Key_F8, 0xFF }, { Key_F9, 0xFF },
{ Key_F10, 0xFF }, { Key_NumLock, 0xFF }, { Key_ScrollLock, 0xFF }, { Key_Home, 0xFF },
{ Key_Up, 0xFF }, { Key_PageUp, 0xFF }, { Key_Minus, 0x4A }, { Key_Left, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Right, 0xFF }, { Key_Plus, 0x4E }, { Key_End, 0xFF },
{ Key_Down, 0xFF }, { Key_PageDown, 0xFF }, { Key_Insert, 0xFF }, { Key_Delete, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Pipe, 0x56 }, { Key_F11, 0xFF },
{ Key_F12, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_LeftSuper, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Menu, 0xFF },
};
// clang-format on
// clang-format off
static constexpr KeyCodeEntry unshifted_simple_scan_code_set2_key_map_with_key_num_pad[0x84] = {
{ Key_Invalid, 0xFF }, { Key_F9, 0x43 }, { Key_Invalid, 0xFF }, { Key_F5, 0x3F },
{ Key_F3, 0x3D }, { Key_F1, 0x3B }, { Key_F2, 0x3C }, { Key_F12, 0xFF },
{ Key_Invalid, 0xFF }, { Key_F10, 0x44 }, { Key_F8, 0x42 }, { Key_F6, 0x40 },
{ Key_F4, 0x3E }, { Key_Tab, 0x0F }, { Key_Backtick, 0x29 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_LeftAlt, 0x38 }, { Key_LeftShift, 0x2A }, { Key_Invalid, 0xFF },
{ Key_LeftControl, 0x1D }, { Key_Q, 0x10 }, { Key_1, 2 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Z, 0x2C }, { Key_S, 0x1F },
{ Key_A, 0x1E }, { Key_W, 0x11 }, { Key_2, 3 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_C, 0x2E }, { Key_X, 0x2D }, { Key_D, 0x20 },
{ Key_E, 0x12 }, { Key_4, 5 }, { Key_3, 4 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Space, 0x39 }, { Key_V, 0x2F }, { Key_F, 0x21 },
{ Key_T, 0x14 }, { Key_R, 0x13 }, { Key_5, 6 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_N, 0x31 }, { Key_B, 0x30 }, { Key_H, 0x23 },
{ Key_G, 0x22 }, { Key_Y, 0x15 }, { Key_6, 7 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_M, 0x32 }, { Key_J, 0x24 },
{ Key_U, 0x16 }, { Key_7, 8 }, { Key_8, 9 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Comma, 0x33 }, { Key_K, 0x25 }, { Key_I, 0x17 },
{ Key_O, 0x18 }, { Key_0, 0x0B }, { Key_9, 0x0A }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Period, 0x34 }, { Key_Slash, 0x35 }, { Key_L, 0x26 },
{ Key_Semicolon, 0x27 }, { Key_P, 0x19 }, { Key_Minus, 0x0C }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Apostrophe, 0x28 }, { Key_Invalid, 0xFF },
{ Key_LeftBracket, 0x1A }, { Key_Equal, 0x0D }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_CapsLock, 0x3A }, { Key_RightShift, 0x36 }, { Key_Return, 0x1C }, { Key_RightBracket, 0x1B },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Backslash, 0x2B }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Backspace, 0x0E }, { Key_Invalid, 0xFF },
// Keypad numbers from here
{ Key_Invalid, 0xFF }, { Key_1, 2 }, { Key_Invalid, 0xFF }, { Key_4, 5 },
{ Key_7, 8 }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_0, 0x0B }, { Key_Period, 0x34 }, { Key_2, 3 }, { Key_5, 6 },
{ Key_6, 7 }, { Key_8, 9 }, { Key_Escape, 1 }, { Key_NumLock, 0x45 },
{ Key_F11, 0xFF }, { Key_Plus, 0x4E }, { Key_3, 4 }, { Key_Minus, 0x0C },
{ Key_Asterisk, 0x37 }, { Key_9, 0x0A }, { Key_ScrollLock, 0x46 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_F7, 0x41 },
};
// clang-format on
// clang-format off
static constexpr KeyCodeEntry unshifted_simple_scan_code_set2_key_map_with_disabled_key_num_pad[0x84] = {
{ Key_Invalid, 0xFF }, { Key_F9, 0x43 }, { Key_Invalid, 0xFF }, { Key_F5, 0x3F },
{ Key_F3, 0x3D }, { Key_F1, 0x3B }, { Key_F2, 0x3C }, { Key_F12, 0xFF },
{ Key_Invalid, 0xFF }, { Key_F10, 0x44 }, { Key_F8, 0x42 }, { Key_F6, 0x40 },
{ Key_F4, 0x3E }, { Key_Tab, 0x0F }, { Key_Backtick, 0x29 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_LeftAlt, 0x38 }, { Key_LeftShift, 0x2A }, { Key_Invalid, 0xFF },
{ Key_LeftControl, 0x1D }, { Key_Q, 0x10 }, { Key_1, 2 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Z, 0x2C }, { Key_S, 0x1F },
{ Key_A, 0x1E }, { Key_W, 0x11 }, { Key_2, 3 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_C, 0x2E }, { Key_X, 0x2D }, { Key_D, 0x20 },
{ Key_E, 0x12 }, { Key_4, 5 }, { Key_3, 4 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Space, 0x39 }, { Key_V, 0x2F }, { Key_F, 0x21 },
{ Key_T, 0x14 }, { Key_R, 0x13 }, { Key_5, 6 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_N, 0x31 }, { Key_B, 0x30 }, { Key_H, 0x23 },
{ Key_G, 0x22 }, { Key_Y, 0x15 }, { Key_6, 7 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_M, 0x32 }, { Key_J, 0x24 },
{ Key_U, 0x16 }, { Key_7, 8 }, { Key_8, 9 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Comma, 0x33 }, { Key_K, 0x25 }, { Key_I, 0x17 },
{ Key_O, 0x18 }, { Key_0, 0x0B }, { Key_9, 0x0A }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Period, 0x34 }, { Key_Slash, 0x35 }, { Key_L, 0x26 },
{ Key_Semicolon, 0x27 }, { Key_P, 0x19 }, { Key_Underscore, 0x0C }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Apostrophe, 0x28 }, { Key_Invalid, 0xFF },
{ Key_LeftBracket, 0x1A }, { Key_Equal, 0x0D }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_CapsLock, 0x3A }, { Key_RightShift, 0x36 }, { Key_Return, 0x1C }, { Key_RightBracket, 0x1B },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Backslash, 0x2B }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Backspace, 0x0E }, { Key_Invalid, 0xFF },
// Keypad numbers from here, and disabled or converted to arrows
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Left, 0x4B },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_Insert, 0xFF }, { Key_Delete, 0xFF }, { Key_Down, 0xFF }, { Key_Invalid, 0xFF },
{ Key_Right, 0xFF }, { Key_Up, 0x48 }, { Key_Escape, 1 }, { Key_NumLock, 0x45 },
{ Key_F11, 0xFF }, { Key_Plus, 0x4E }, { Key_Invalid, 0xFF }, { Key_Minus, 0x0C },
{ Key_Asterisk, 0x37 }, { Key_Invalid, 0xFF }, { Key_ScrollLock, 0x46 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_F7, 0x41 },
};
// clang-format on
// clang-format off
static constexpr KeyCodeEntry shifted_simple_scan_code_set2_key_map_with_key_num_pad[0x84] = {
{ Key_Invalid, 0xFF }, { Key_F9, 0x43 }, { Key_Invalid, 0xFF }, { Key_F5, 0x3F },
{ Key_F3, 0x3D }, { Key_F1, 0x3B }, { Key_F2, 0x3C }, { Key_F12, 0xFF },
{ Key_Invalid, 0xFF }, { Key_F10, 0x44 }, { Key_F8, 0x42 }, { Key_F6, 0x40 },
{ Key_F4, 0x3E }, { Key_Tab, 0x0F }, { Key_Backtick, 0x29 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_LeftAlt, 0x38 }, { Key_LeftShift, 0x2A }, { Key_Invalid, 0xFF },
{ Key_LeftControl, 0x1D }, { Key_Q, 0x10 }, { Key_Escape, 2 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Z, 0x2C }, { Key_S, 0x1F },
{ Key_A, 0x1E }, { Key_W, 0x11 }, { Key_AtSign, 3 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_C, 0x2E }, { Key_X, 0x2D }, { Key_D, 0x20 },
{ Key_E, 0x12 }, { Key_Dollar, 5 }, { Key_Hashtag, 4 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Space, 0x39 }, { Key_V, 0x2F }, { Key_F, 0x21 },
{ Key_T, 0x14 }, { Key_R, 0x13 }, { Key_Percent, 6 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_N, 0x31 }, { Key_B, 0x30 }, { Key_H, 0x23 },
{ Key_G, 0x22 }, { Key_Y, 0x15 }, { Key_Circumflex, 7 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_M, 0x32 }, { Key_J, 0x24 },
{ Key_U, 0x16 }, { Key_Ampersand, 8 }, { Key_Asterisk, 0x37 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_LessThan, 0x33 }, { Key_K, 0x25 }, { Key_I, 0x17 },
{ Key_O, 0x18 }, { Key_RightParen, 0x0B }, { Key_LeftParen, 0x0A }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_GreaterThan, 0x34 }, { Key_Slash, 0x35 }, { Key_L, 0x26 },
{ Key_Semicolon, 0x27 }, { Key_P, 0x19 }, { Key_Minus, 0x0C }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_DoubleQuote, 0x28 }, { Key_Invalid, 0xFF },
{ Key_LeftBrace, 0x1A }, { Key_Plus, 0x4E }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_CapsLock, 0x3A }, { Key_RightShift, 0x36 }, { Key_Return, 0x1C }, { Key_RightBrace, 0x1B },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Pipe, 0x2B }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Backspace, 0x0E }, { Key_Invalid, 0xFF },
// Keypad numbers from here
{ Key_Invalid, 0xFF }, { Key_1, 2 }, { Key_Invalid, 0xFF }, { Key_4, 5 },
{ Key_7, 8 }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_0, 0x0B }, { Key_Period, 0x34 }, { Key_2, 3 }, { Key_5, 6 },
{ Key_6, 7 }, { Key_8, 9 }, { Key_Escape, 1 }, { Key_NumLock, 0x45 },
{ Key_F11, 0xFF }, { Key_Plus, 0x4E }, { Key_3, 4 }, { Key_Minus, 0x0C },
{ Key_Asterisk, 0x37 }, { Key_9, 0x0A }, { Key_ScrollLock, 0x46 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_F7, 0x41 },
};
// clang-format on
// clang-format off
static constexpr KeyCodeEntry shifted_simple_scan_code_set2_key_map_with_disabled_key_num_pad[0x84] = {
{ Key_Invalid, 0xFF }, { Key_F9, 0x43 }, { Key_Invalid, 0xFF }, { Key_F5, 0x3F },
{ Key_F3, 0x3D }, { Key_F1, 0x3B }, { Key_F2, 0x3C }, { Key_F12, 0xFF },
{ Key_Invalid, 0xFF }, { Key_F10, 0x44 }, { Key_F8, 0x42 }, { Key_F6, 0x40 },
{ Key_F4, 0x3E }, { Key_Tab, 0x0F }, { Key_Backtick, 0x29 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_LeftAlt, 0x38 }, { Key_LeftShift, 0x2A }, { Key_Invalid, 0xFF },
{ Key_LeftControl, 0x1D }, { Key_Q, 0x10 }, { Key_Escape, 2 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Z, 0x2C }, { Key_S, 0x1F },
{ Key_A, 0x1E }, { Key_W, 0x11 }, { Key_AtSign, 3 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_C, 0x2E }, { Key_X, 0x2D }, { Key_D, 0x20 },
{ Key_E, 0x12 }, { Key_Dollar, 5 }, { Key_Hashtag, 4 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Space, 0x39 }, { Key_V, 0x2F }, { Key_F, 0x21 },
{ Key_T, 0x14 }, { Key_R, 0x13 }, { Key_Percent, 6 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_N, 0x31 }, { Key_B, 0x30 }, { Key_H, 0x23 },
{ Key_G, 0x22 }, { Key_Y, 0x15 }, { Key_Circumflex, 7 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_M, 0x32 }, { Key_J, 0x24 },
{ Key_U, 0x16 }, { Key_Ampersand, 8 }, { Key_Asterisk, 0x37 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_LessThan, 0xFF}, { Key_K, 0x25 }, { Key_I, 0x17 },
{ Key_O, 0x18 }, { Key_RightParen, 0x0B }, { Key_LeftParen, 0x0A }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Period, 0x34 }, { Key_Slash, 0x35 }, { Key_L, 0x26 },
{ Key_Semicolon, 0x27 }, { Key_P, 0x19 }, { Key_Underscore, 0x0C }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_DoubleQuote, 0x28 }, { Key_Invalid, 0xFF },
{ Key_LeftBrace, 0x1A }, { Key_Plus, 0x4E }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_CapsLock, 0x3A }, { Key_RightShift, 0x36 }, { Key_Return, 0x1C }, { Key_RightBrace, 0x1B },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Pipe, 0x2B }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Backspace, 0x0E }, { Key_Invalid, 0xFF },
// Keypad numbers from here, and disabled or converted to arrows
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Left, 0x4B },
{ Key_7, 8 }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_Insert, 0xFF }, { Key_Delete, 0xFF }, { Key_Down, 0xFF }, { Key_Invalid, 0xFF },
{ Key_Right, 0xFF }, { Key_Up, 0x48 }, { Key_Escape, 1 }, { Key_NumLock, 0x45 },
{ Key_F11, 0xFF }, { Key_Plus, 0x4E }, { Key_Invalid, 0xFF }, { Key_Minus, 0x0C },
{ Key_Asterisk, 0x37 }, { Key_Invalid, 0xFF }, { Key_ScrollLock, 0x46 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_F7, 0x41 },
};
// clang-format on
// Note: First scan code starts at actual 0xE0, 0x10, but we start from 0xE0, 0x0
// Note: All keycode are for pressing buttons, not releasing...
// clang-format off
static constexpr KeyCodeEntry unshifted_scan_code_set2_e0_key_map[0x80] = {
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_BrowserSearch, 0xFF }, { Key_RightAlt, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_RightControl, 0xFF }, { Key_PreviousTrack, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_BrowserFavorites, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_LeftGUI, 0xFF },
{ Key_BrowserRefresh, 0xFF }, { Key_VolumeDown, 0xFF }, { Key_Invalid, 0xFF }, { Key_Mute, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_RightGUI, 0xFF },
{ Key_BrowserStop, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Calculator, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Apps, 0xFF },
{ Key_BrowserForward, 0xFF }, { Key_Invalid, 0xFF }, { Key_VolumeUp, 0xFF }, { Key_Invalid, 0xFF },
{ Key_PlayPause, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Power, 0xFF },
{ Key_BrowserBack, 0xFF }, { Key_Invalid, 0xFF }, { Key_BrowserHome, 0xFF }, { Key_Stop, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Sleep, 0xFF },
{ Key_MyComputer, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_Email, 0xFF }, { Key_Invalid, 0xFF }, { Key_Slash, 0x35 }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_NextTrack, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_MediaSelect, 0xFF}, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Return, 0x1C }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Wake, 0xFF }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_End, 0xFF }, { Key_Invalid, 0xFF }, { Key_Left, 0xFF },
{ Key_Home, 0x47 }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_Insert, 0xFF }, { Key_Delete, 0xFF }, { Key_Down, 0xFF }, { Key_Invalid, 0xFF },
{ Key_Right, 0xFF }, { Key_Up, 0xFF }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_Invalid, 0xFF }, { Key_PageDown, 0xFF }, { Key_Invalid, 0xFF },
{ Key_Invalid, 0xFF }, { Key_PageUp, 0x49 }, { Key_Invalid, 0xFF }, { Key_Invalid, 0xFF },
};
// clang-format on
RawKeyEvent PS2KeyboardDevice::generate_raw_key_event_input_from_set1(ScanCodeEvent event)
{
RawKeyEvent key_event {};
VERIFY(event.sent_scan_code_set == ScanCodeSet::Set1);
bool has_e0_prefix = event.scan_code_bytes[0] == 0xe0;
if (has_e0_prefix)
VERIFY(event.bytes_count == 2);
else
VERIFY(event.bytes_count == 1);
u8 byte = has_e0_prefix ? event.scan_code_bytes[1] : event.scan_code_bytes[0];
bool pressed = !(byte & 0x80);
u8 ch = byte & 0x7f;
key_event.is_press_down = pressed;
m_entropy_source.add_random_event(byte);
switch (ch) {
case 0x38:
if (has_e0_prefix)
m_keyboard_device->update_modifier(Mod_AltGr, key_event.is_press());
else
m_keyboard_device->update_modifier(Mod_Alt, key_event.is_press());
break;
case 0x1d:
m_keyboard_device->update_modifier(Mod_Ctrl, key_event.is_press());
break;
case 0x5b:
m_left_super_pressed = key_event.is_press();
m_keyboard_device->update_modifier(Mod_Super, m_left_super_pressed || m_right_super_pressed);
break;
case 0x5c:
m_right_super_pressed = key_event.is_press();
m_keyboard_device->update_modifier(Mod_Super, m_left_super_pressed || m_right_super_pressed);
break;
case 0x2a:
m_left_shift_pressed = key_event.is_press();
m_keyboard_device->update_modifier(Mod_Shift, m_left_shift_pressed || m_right_shift_pressed);
break;
case 0x36:
m_right_shift_pressed = key_event.is_press();
m_keyboard_device->update_modifier(Mod_Shift, m_left_shift_pressed || m_right_shift_pressed);
break;
case 0x1c:
case 0x35:
if (has_e0_prefix)
m_keyboard_device->update_modifier(Mod_Keypad, key_event.is_press());
break;
case 0x37:
case 0x47:
case 0x48:
case 0x49:
case 0x4a:
case 0x4b:
case 0x4c:
case 0x4d:
case 0x4e:
case 0x4f:
case 0x50:
case 0x51:
case 0x52:
case 0x53:
if (!has_e0_prefix)
m_keyboard_device->update_modifier(Mod_Keypad, key_event.is_press());
break;
}
key_event.code_entry = (m_keyboard_device->modifiers() & Mod_Shift) ? shifted_scan_code_set1_key_map[ch] : unshifted_scan_code_set1_key_map[ch];
key_event.scancode = has_e0_prefix ? 0xe000 + ch : ch;
return key_event;
}
Optional<RawKeyEvent> PS2KeyboardDevice::generate_raw_key_event_input_from_set2(ScanCodeEvent event)
{
VERIFY(event.sent_scan_code_set == ScanCodeSet::Set2);
auto get_key_from_standard_key_map = [this](u8 byte) -> KeyCodeEntry {
if (!(m_keyboard_device->modifiers() & Mod_Shift))
return (m_keyboard_device->num_lock_on()) ? unshifted_simple_scan_code_set2_key_map_with_key_num_pad[byte] : unshifted_simple_scan_code_set2_key_map_with_disabled_key_num_pad[byte];
return (m_keyboard_device->num_lock_on()) ? shifted_simple_scan_code_set2_key_map_with_key_num_pad[byte] : shifted_simple_scan_code_set2_key_map_with_disabled_key_num_pad[byte];
};
RawKeyEvent key_event {};
if (event.bytes_count == 1) {
auto byte = event.scan_code_bytes[0];
key_event.code_entry = get_key_from_standard_key_map(byte);
key_event.scancode = byte;
key_event.is_press_down = true;
m_entropy_source.add_random_event(byte);
} else if (event.bytes_count == 2) {
auto byte_prefix = event.scan_code_bytes[0];
auto byte = event.scan_code_bytes[1];
if (byte_prefix == 0xe0) {
key_event.code_entry = unshifted_scan_code_set2_e0_key_map[byte];
key_event.scancode = 0xe000 + byte;
key_event.is_press_down = true;
} else if (byte_prefix == 0xf0) {
key_event.code_entry = get_key_from_standard_key_map(byte);
key_event.scancode = 0xf000 + byte;
} else {
VERIFY_NOT_REACHED();
}
m_entropy_source.add_random_event(byte);
} else if (event.bytes_count == 3) {
auto first_byte_prefix = event.scan_code_bytes[0];
auto second_byte_prefix = event.scan_code_bytes[1];
if (first_byte_prefix != 0xe0
|| second_byte_prefix != 0xf0) {
return Optional<RawKeyEvent> {};
}
auto byte = event.scan_code_bytes[2];
key_event.code_entry = unshifted_scan_code_set2_e0_key_map[byte];
key_event.scancode = 0xe0f000 + byte;
m_entropy_source.add_random_event(byte);
} else if (event.bytes_count == 4) {
// 0xE0, 0x12, 0xE0, 0x7C - print screen pressed
auto first_byte_prefix = event.scan_code_bytes[0];
auto second_byte_prefix = event.scan_code_bytes[1];
auto third_byte_prefix = event.scan_code_bytes[2];
auto fourth_byte_prefix = event.scan_code_bytes[3];
if (first_byte_prefix != 0xe0
|| second_byte_prefix != 0x12
|| third_byte_prefix != 0xe0
|| fourth_byte_prefix != 0x7c) {
return Optional<RawKeyEvent> {};
}
key_event.code_entry = KeyCodeEntry { Key_PrintScreen, 0xFF };
key_event.scancode = 0xe012e07c;
key_event.is_press_down = true;
} else if (event.bytes_count == 6) {
// 0xE0, 0xF0, 0x7C, 0xE0, 0xF0, 0x12 - print screen released
auto first_byte_prefix = event.scan_code_bytes[0];
auto second_byte_prefix = event.scan_code_bytes[1];
auto third_byte_prefix = event.scan_code_bytes[2];
auto fourth_byte_prefix = event.scan_code_bytes[3];
auto fifth_byte_prefix = event.scan_code_bytes[4];
auto sixth_byte_prefix = event.scan_code_bytes[5];
if (first_byte_prefix != 0xe0
|| second_byte_prefix != 0xf0
|| third_byte_prefix != 0x7c
|| fourth_byte_prefix != 0xe0
|| fifth_byte_prefix != 0xf0
|| sixth_byte_prefix != 0x12) {
return Optional<RawKeyEvent> {};
}
key_event.code_entry = KeyCodeEntry { Key_PrintScreen, 0xFF };
key_event.scancode = 0xe0f07ce0f012;
} else if (event.bytes_count == 8) {
// 0xE1, 0x14, 0x77, 0xE1, 0xF0, 0x14, 0xF0, 0x77 - pause pressed
auto first_byte_prefix = event.scan_code_bytes[0];
auto second_byte_prefix = event.scan_code_bytes[1];
auto third_byte_prefix = event.scan_code_bytes[2];
auto fourth_byte_prefix = event.scan_code_bytes[3];
auto fifth_byte_prefix = event.scan_code_bytes[4];
auto sixth_byte_prefix = event.scan_code_bytes[5];
auto seventh_byte_prefix = event.scan_code_bytes[6];
auto eight_byte_prefix = event.scan_code_bytes[7];
if (first_byte_prefix != 0xe1
|| second_byte_prefix != 0x14
|| third_byte_prefix != 0x77
|| fourth_byte_prefix != 0xe1
|| fifth_byte_prefix != 0xf0
|| sixth_byte_prefix != 0x14
|| seventh_byte_prefix != 0xf0
|| eight_byte_prefix != 0x77) {
return Optional<RawKeyEvent> {};
}
key_event.code_entry = KeyCodeEntry { Key_PauseBreak, 0xFF };
key_event.scancode = 0xe11477e1f014f077;
}
switch (key_event.code_entry.key_code) {
case Key_RightAlt:
m_keyboard_device->update_modifier(Mod_AltGr, key_event.is_press());
break;
case Key_LeftAlt:
m_keyboard_device->update_modifier(Mod_Alt, key_event.is_press());
break;
case Key_LeftControl:
m_keyboard_device->update_modifier(Mod_Ctrl, key_event.is_press());
break;
case Key_LeftSuper:
m_left_super_pressed = key_event.is_press();
m_keyboard_device->update_modifier(Mod_Super, m_left_super_pressed || m_right_super_pressed);
break;
case Key_LeftShift:
m_left_shift_pressed = key_event.is_press();
m_keyboard_device->update_modifier(Mod_Shift, m_left_shift_pressed || m_right_shift_pressed);
break;
case Key_RightShift:
m_right_shift_pressed = key_event.is_press();
m_keyboard_device->update_modifier(Mod_Shift, m_left_shift_pressed || m_right_shift_pressed);
break;
default:
break;
}
return key_event;
}
void PS2KeyboardDevice::handle_scan_code_input_event(ScanCodeEvent event)
{
RawKeyEvent raw_event {};
if (event.sent_scan_code_set == ScanCodeSet::Set1) {
raw_event = generate_raw_key_event_input_from_set1(event);
} else if (event.sent_scan_code_set == ScanCodeSet::Set2) {
auto possible_raw_event = generate_raw_key_event_input_from_set2(event);
if (!possible_raw_event.has_value()) {
dmesgln("PS2KeyboardDevice BUG: Invalid scan code (set 2) event, length: {}, bytes: {}", event.bytes_count, event.scan_code_bytes.span().trim(event.bytes_count));
return;
}
raw_event = possible_raw_event.release_value();
} else if (event.sent_scan_code_set == ScanCodeSet::Set3) {
// FIXME: Implement support for scan code set 3!
VERIFY_NOT_REACHED();
} else {
VERIFY_NOT_REACHED();
}
KeyEvent queued_event = {
.key = raw_event.code_entry.key_code,
.map_entry_index = raw_event.code_entry.map_entry_index,
.scancode = raw_event.scancode,
.flags = raw_event.is_press() ? (u8)Is_Press : (u8)0,
};
// NOTE: This piece of code is needed for the ScanCodeSet::Set1 to ensure some keys could
// function properly.
if (event.sent_scan_code_set == ScanCodeSet::Set1) {
if ((queued_event.scancode & 0xe000) && queued_event.key == Key_Slash) {
// FIXME: Find a way to propagate this when the keyboard is "shifted"!
// If Key_Slash (scancode = 0x35) mapped to other form "/", we fix num pad key of "/" with this case.
queued_event.code_point = '/';
} else if ((queued_event.scancode & 0xe000) && queued_event.key != Key_Return) {
// Except for `keypad-/` and 'keypad-return', all e0 scan codes are not actually characters. i.e., `keypad-0` and
// `Insert` have the same scancode except for the prefix, but insert should not have a code_point.
queued_event.code_point = 0;
}
}
// NOTE: This piece of code is needed for the ScanCodeSet::Set1 when NumLock is enabled
// because we don't have special mappings when NumLock is enabled for this scan code set.
// Scan code set 2 handling code in handle_scan_code_input_event_set2() already handles this fine.
if (event.sent_scan_code_set == ScanCodeSet::Set1 && m_keyboard_device->num_lock_on()) {
if (queued_event.scancode >= 0x47 && queued_event.scancode <= 0x53) {
u8 index = queued_event.scancode - 0x47;
constexpr KeyCodeEntry numpad_key_map[13] = {
{ Key_7, 8 },
{ Key_8, 9 },
{ Key_9, 10 },
{ Key_Invalid, 0xFF },
{ Key_4, 5 },
{ Key_5, 6 },
{ Key_6, 7 },
{ Key_Invalid, 0xFF },
{ Key_1, 2 },
{ Key_2, 3 },
{ Key_3, 4 },
{ Key_0, 0x0B },
{ Key_Period, 0x34 },
};
if (numpad_key_map[index].key_code != Key_Invalid) {
queued_event.key = numpad_key_map[index].key_code;
queued_event.map_entry_index = numpad_key_map[index].map_entry_index;
}
}
}
m_keyboard_device->handle_input_event(queued_event);
}
void PS2KeyboardDevice::handle_byte_read_for_scan_code_set1(u8 byte)
{
u8 ch = byte & 0x7f;
bool pressed = !(byte & 0x80);
dbgln_if(KEYBOARD_DEBUG, "Keyboard::handle_byte_read_for_scan_code_set1: {:#02x} {}", ch, (pressed ? "down" : "up"));
if (byte == 0xe0) {
m_has_e0_prefix = true;
return;
}
ScanCodeEvent event {};
event.sent_scan_code_set = ScanCodeSet::Set1;
if (m_has_e0_prefix) {
event.scan_code_bytes[0] = 0xe0;
event.scan_code_bytes[1] = byte;
event.bytes_count = 2;
} else {
event.scan_code_bytes[0] = byte;
event.bytes_count = 1;
}
m_has_e0_prefix = false;
handle_scan_code_input_event(event);
}
void PS2KeyboardDevice::handle_byte_read_for_scan_code_set2(u8 byte)
{
dbgln_if(KEYBOARD_DEBUG, "Keyboard::handle_byte_read_for_scan_code_set2: {:#02x}", byte);
ScanCodeEvent event {};
event.sent_scan_code_set = ScanCodeSet::Set2;
if (m_received_bytes_count == 0) {
if (byte == 0xe0 || byte == 0xf0 || byte == 0xe1) {
m_received_bytes[0] = byte;
m_received_bytes_count++;
return;
}
event.scan_code_bytes[0] = byte;
event.bytes_count = 1;
m_received_bytes_count = 0;
handle_scan_code_input_event(event);
return;
} else if (m_received_bytes_count == 1) {
if (byte == 0xf0) {
VERIFY(m_received_bytes[0] == 0xe0);
m_received_bytes[1] = byte;
m_received_bytes_count++;
return;
}
if (m_received_bytes[0] == 0xe0 && byte == 0x12) {
m_received_bytes[1] = byte;
m_received_bytes_count++;
return;
}
if (m_received_bytes[0] == 0xe1 && byte == 0x14) {
m_received_bytes[1] = byte;
m_received_bytes_count++;
return;
}
event.scan_code_bytes[0] = m_received_bytes[0];
event.scan_code_bytes[1] = byte;
event.bytes_count = 2;
m_received_bytes_count = 0;
handle_scan_code_input_event(event);
return;
} else if (m_received_bytes_count == 2) {
if (m_received_bytes[0] == 0xe0 && m_received_bytes[1] == 0x12 && byte == 0xe0) {
m_received_bytes[2] = byte;
m_received_bytes_count++;
return;
}
if (m_received_bytes[0] == 0xe0 && m_received_bytes[1] == 0xf0 && byte == 0x7c) {
m_received_bytes[2] = byte;
m_received_bytes_count++;
return;
}
if (m_received_bytes[0] == 0xe1) {
VERIFY(m_received_bytes[1] == 0x14);
m_received_bytes[2] = byte;
m_received_bytes_count++;
return;
}
event.scan_code_bytes[0] = m_received_bytes[0];
event.scan_code_bytes[1] = m_received_bytes[1];
event.scan_code_bytes[2] = byte;
event.bytes_count = 3;
m_received_bytes_count = 0;
handle_scan_code_input_event(event);
return;
} else if (m_received_bytes_count == 3) {
if (m_received_bytes[0] == 0xe0
&& m_received_bytes[1] == 0x12
&& m_received_bytes[2] == 0xe0
&& byte == 0x7c) {
ScanCodeEvent event {};
event.sent_scan_code_set = ScanCodeSet::Set2;
event.scan_code_bytes[0] = m_received_bytes[0];
event.scan_code_bytes[1] = m_received_bytes[1];
event.scan_code_bytes[2] = m_received_bytes[2];
event.scan_code_bytes[3] = byte;
event.bytes_count = 4;
m_received_bytes_count = 0;
handle_scan_code_input_event(event);
return;
}
m_received_bytes[3] = byte;
m_received_bytes_count++;
return;
} else if (m_received_bytes_count == 4) {
m_received_bytes[4] = byte;
m_received_bytes_count++;
return;
} else if (m_received_bytes_count == 5) {
if (m_received_bytes[0] == 0xe0
&& m_received_bytes[1] == 0xf0
&& m_received_bytes[2] == 0x7c
&& m_received_bytes[3] == 0xe0
&& m_received_bytes[4] == 0xf0
&& byte == 0x12) {
event.scan_code_bytes[0] = m_received_bytes[0];
event.scan_code_bytes[1] = m_received_bytes[1];
event.scan_code_bytes[2] = m_received_bytes[2];
event.scan_code_bytes[3] = m_received_bytes[3];
event.scan_code_bytes[4] = m_received_bytes[4];
event.scan_code_bytes[5] = byte;
event.bytes_count = 6;
m_received_bytes_count = 0;
handle_scan_code_input_event(event);
return;
}
m_received_bytes[5] = byte;
m_received_bytes_count++;
return;
} else if (m_received_bytes_count == 6) {
m_received_bytes[6] = byte;
m_received_bytes_count++;
return;
} else if (m_received_bytes_count == 7) {
event.scan_code_bytes[0] = m_received_bytes[0];
event.scan_code_bytes[1] = m_received_bytes[1];
event.scan_code_bytes[2] = m_received_bytes[2];
event.scan_code_bytes[3] = m_received_bytes[3];
event.scan_code_bytes[4] = m_received_bytes[4];
event.scan_code_bytes[5] = m_received_bytes[5];
event.scan_code_bytes[6] = m_received_bytes[6];
event.scan_code_bytes[7] = byte;
event.bytes_count = 8;
m_received_bytes_count = 0;
handle_scan_code_input_event(event);
return;
} else {
VERIFY_NOT_REACHED();
}
}
void PS2KeyboardDevice::handle_byte_read_from_serial_input(u8 byte)
{
switch (m_scan_code_set) {
case ScanCodeSet::Set1:
handle_byte_read_for_scan_code_set1(byte);
break;
case ScanCodeSet::Set2:
handle_byte_read_for_scan_code_set2(byte);
break;
default:
VERIFY_NOT_REACHED();
}
}
UNMAP_AFTER_INIT ErrorOr<NonnullOwnPtr<PS2KeyboardDevice>> PS2KeyboardDevice::try_to_initialize(SerialIOController const& serial_io_controller, SerialIOController::PortIndex port_index, ScanCodeSet scan_code_set, KeyboardDevice const& keyboard_device)
{
auto device = TRY(adopt_nonnull_own_or_enomem(new (nothrow) PS2KeyboardDevice(serial_io_controller, port_index, scan_code_set, keyboard_device)));
TRY(device->initialize());
return device;
}
UNMAP_AFTER_INIT ErrorOr<void> PS2KeyboardDevice::initialize()
{
ErrorOr<void> err = attached_controller().reset_device(attached_port_index());
if (err.is_error()) {
TRY(attached_controller().send_command(attached_port_index(), SerialIOController::DeviceCommand::GetDeviceID));
ErrorOr<u8> res = attached_controller().read_from_device(attached_port_index());
if (res.is_error()) {
return err;
}
switch (res.value()) {
// Regular and NCD Sun keyboards.
case 0xab:
case 0xac:
// Trust keyboard, raw and translated
case 0x2b:
case 0x5d:
// NMB SGI keyboard, raw and translated
case 0x60:
case 0x47:
return {};
}
}
return err;
}
// FIXME: UNMAP_AFTER_INIT might not be correct, because in practice PS/2 devices
// are hot pluggable.
UNMAP_AFTER_INIT PS2KeyboardDevice::PS2KeyboardDevice(SerialIOController const& serial_io_controller, SerialIOController::PortIndex port_index, ScanCodeSet scan_code_set, KeyboardDevice const& keyboard_device)
: SerialIODevice(serial_io_controller, port_index)
, m_keyboard_device(keyboard_device)
, m_scan_code_set(scan_code_set)
{
}
// FIXME: UNMAP_AFTER_INIT might not be correct, because in practice PS/2 devices
// are hot pluggable.
UNMAP_AFTER_INIT PS2KeyboardDevice::~PS2KeyboardDevice() = default;
}
