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-rw-r--r--Kernel/Devices/HID/HIDManagement.cpp7
-rw-r--r--Kernel/Devices/HID/HIDManagement.h2
-rw-r--r--Kernel/Devices/HID/I8042Controller.cpp387
-rw-r--r--Kernel/Devices/HID/I8042Controller.h164
-rw-r--r--Kernel/Devices/HID/PS2KeyboardDevice.cpp116
-rw-r--r--Kernel/Devices/HID/PS2KeyboardDevice.h49
-rw-r--r--Kernel/Devices/HID/PS2MouseDevice.cpp223
-rw-r--r--Kernel/Devices/HID/PS2MouseDevice.h63
-rw-r--r--Kernel/Devices/HID/VMWareMouseDevice.cpp60
-rw-r--r--Kernel/Devices/HID/VMWareMouseDevice.h31
10 files changed, 8 insertions, 1094 deletions
diff --git a/Kernel/Devices/HID/HIDManagement.cpp b/Kernel/Devices/HID/HIDManagement.cpp
index 7641c0514c..0bb8bc8a53 100644
--- a/Kernel/Devices/HID/HIDManagement.cpp
+++ b/Kernel/Devices/HID/HIDManagement.cpp
@@ -4,10 +4,13 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
+#include <AK/Platform.h>
#include <AK/Singleton.h>
+#if ARCH(I386) || ARCH(X86_64)
+# include <Kernel/Arch/x86/ISABus/I8042Controller.h>
+#endif
#include <Kernel/CommandLine.h>
#include <Kernel/Devices/HID/HIDManagement.h>
-#include <Kernel/Devices/HID/I8042Controller.h>
#include <Kernel/Firmware/ACPI/Parser.h>
#include <Kernel/Sections.h>
@@ -119,6 +122,7 @@ UNMAP_AFTER_INIT ErrorOr<void> HIDManagement::enumerate()
// set to emulate PS/2, we should not initialize the PS/2 controller.
if (kernel_command_line().disable_ps2_controller())
return {};
+#if ARCH(I386) || ARCH(X86_64)
m_i8042_controller = I8042Controller::initialize();
// Note: If ACPI is disabled or doesn't indicate that we have an i8042, we
@@ -140,6 +144,7 @@ UNMAP_AFTER_INIT ErrorOr<void> HIDManagement::enumerate()
if (m_i8042_controller->keyboard())
m_hid_devices.append(m_i8042_controller->keyboard().release_nonnull());
+#endif
return {};
}
diff --git a/Kernel/Devices/HID/HIDManagement.h b/Kernel/Devices/HID/HIDManagement.h
index 86f242945f..c2c212ddfc 100644
--- a/Kernel/Devices/HID/HIDManagement.h
+++ b/Kernel/Devices/HID/HIDManagement.h
@@ -61,7 +61,9 @@ private:
size_t m_mouse_minor_number { 0 };
size_t m_keyboard_minor_number { 0 };
KeyboardClient* m_client { nullptr };
+#if ARCH(I386) || ARCH(X86_64)
LockRefPtr<I8042Controller> m_i8042_controller;
+#endif
NonnullLockRefPtrVector<HIDDevice> m_hid_devices;
Spinlock m_client_lock { LockRank::None };
};
diff --git a/Kernel/Devices/HID/I8042Controller.cpp b/Kernel/Devices/HID/I8042Controller.cpp
deleted file mode 100644
index bf48056068..0000000000
--- a/Kernel/Devices/HID/I8042Controller.cpp
+++ /dev/null
@@ -1,387 +0,0 @@
-/*
- * Copyright (c) 2020, the SerenityOS developers.
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
-
-#include <Kernel/Arch/Delay.h>
-#include <Kernel/Arch/x86/IO.h>
-#include <Kernel/Devices/HID/I8042Controller.h>
-#include <Kernel/Devices/HID/PS2KeyboardDevice.h>
-#include <Kernel/Devices/HID/PS2MouseDevice.h>
-#include <Kernel/Devices/HID/VMWareMouseDevice.h>
-#include <Kernel/Sections.h>
-
-namespace Kernel {
-
-UNMAP_AFTER_INIT NonnullLockRefPtr<I8042Controller> I8042Controller::initialize()
-{
- return adopt_lock_ref(*new I8042Controller());
-}
-
-LockRefPtr<MouseDevice> I8042Controller::mouse() const
-{
- return m_mouse_device;
-}
-LockRefPtr<KeyboardDevice> I8042Controller::keyboard() const
-{
- return m_keyboard_device;
-}
-
-UNMAP_AFTER_INIT I8042Controller::I8042Controller()
-{
-}
-
-UNMAP_AFTER_INIT bool I8042Controller::check_existence_via_probing(Badge<HIDManagement>)
-{
- {
- u8 configuration = 0;
- SpinlockLocker lock(m_lock);
-
- // This drains the output buffer and serves as an existence test.
- if (auto result = drain_output_buffer(); result.is_error()) {
- dbgln("I8042: Trying to flush output buffer as an existence test failed, error {}", result.error());
- return false;
- }
-
- // Note: Perform controller self-test before touching the controller
- // Try to probe the controller for 10 times and give up if nothing
- // responded.
- // Some controllers will reset and behave abnormally on this, so let's ensure
- // we keep the configuration before initiating this command.
-
- if (auto result = do_wait_then_write(I8042Port::Command, I8042Command::ReadConfiguration); result.is_error()) {
- dbgln("I8042: Trying to read configuration failed during the existence test, error {}", result.error());
- return false;
- }
-
- {
- auto result = do_wait_then_read(I8042Port::Buffer);
- if (result.is_error()) {
- dbgln("I8042: Trying to read configuration failed during the existence test, error {}", result.error());
- return false;
- }
- configuration = result.release_value();
- }
-
- bool successful_self_test = false;
- for (int attempt = 0; attempt < 20; attempt++) {
- do_write(I8042Port::Command, I8042Command::TestPS2Controller);
- if (do_read(I8042Port::Buffer) == I8042Response::ControllerTestPassed) {
- successful_self_test = true;
- break;
- }
- // Note: Wait 500 microseconds in case the controller couldn't respond
- microseconds_delay(500);
- }
- if (!successful_self_test) {
- dbgln("I8042: Trying to probe for existence of controller failed");
- return false;
- }
-
- if (auto result = do_wait_then_write(I8042Port::Command, I8042Command::WriteConfiguration); result.is_error()) {
- dbgln("I8042: Trying to restore configuration after self-test failed with error {}", result.error());
- return false;
- }
-
- if (auto result = do_wait_then_write(I8042Port::Buffer, configuration); result.is_error()) {
- dbgln("I8042: Trying to write restored configuration after self-test failed with error {}", result.error());
- return false;
- }
-
- return true;
- }
-}
-
-UNMAP_AFTER_INIT ErrorOr<void> I8042Controller::detect_devices()
-{
-
- u8 configuration;
- {
- SpinlockLocker lock(m_lock);
- // Note: This flushes all the garbage left in the controller registers
- TRY(drain_output_buffer());
-
- TRY(do_wait_then_write(I8042Port::Command, I8042Command::DisableFirstPS2Port));
- TRY(do_wait_then_write(I8042Port::Command, I8042Command::DisableSecondPS2Port)); // ignored if it doesn't exist
-
- TRY(do_wait_then_write(I8042Port::Command, I8042Command::ReadConfiguration));
- configuration = TRY(do_wait_then_read(I8042Port::Buffer));
- TRY(do_wait_then_write(I8042Port::Command, I8042Command::WriteConfiguration));
- configuration &= ~I8042ConfigurationFlag::FirstPS2PortInterrupt;
- configuration &= ~I8042ConfigurationFlag::SecondPS2PortInterrupt;
-
- // Note: The default BIOS on the QEMU microvm machine type (qboot) doesn't
- // behave like SeaBIOS, which means it doesn't set first port scan code translation.
- // However we rely on compatibility feature of the i8042 to send scan codes of set 1.
- // To ensure that the controller is always outputting correct scan codes, set it
- // to scan code 2 (because SeaBIOS on regular QEMU machine does this for us) and enable
- // first port translation to ensure all scan codes are translated to scan code set 1.
- configuration |= I8042ConfigurationFlag::FirstPS2PortTranslation;
- TRY(do_wait_then_write(I8042Port::Buffer, configuration));
- TRY(do_wait_then_write(I8042Port::Buffer, I8042Command::SetScanCodeSet));
- TRY(do_wait_then_write(I8042Port::Buffer, 0x2));
-
- m_is_dual_channel = (configuration & I8042ConfigurationFlag::SecondPS2PortClock) != 0;
- dbgln("I8042: {} channel controller", m_is_dual_channel ? "Dual" : "Single");
-
- // Perform controller self-test
- TRY(do_wait_then_write(I8042Port::Command, I8042Command::TestPS2Controller));
- auto self_test_result = TRY(do_wait_then_read(I8042Port::Buffer));
- if (self_test_result == I8042Response::ControllerTestPassed) {
- // Restore configuration in case the controller reset
- TRY(do_wait_then_write(I8042Port::Command, I8042Command::WriteConfiguration));
- TRY(do_wait_then_write(I8042Port::Buffer, configuration));
- } else {
- dbgln("I8042: Controller self test failed");
- }
-
- // Test ports and enable them if available
- TRY(do_wait_then_write(I8042Port::Command, I8042Command::TestFirstPS2Port));
- auto first_port_test_result = TRY(do_wait_then_read(I8042Port::Buffer));
- m_first_port_available = (first_port_test_result == 0);
-
- if (m_first_port_available) {
- TRY(do_wait_then_write(I8042Port::Command, I8042Command::EnableFirstPS2Port));
- configuration |= I8042ConfigurationFlag::FirstPS2PortInterrupt;
- configuration &= ~I8042ConfigurationFlag::FirstPS2PortClock;
- } else {
- dbgln("I8042: Keyboard port not available");
- }
-
- TRY(drain_output_buffer());
-
- if (m_is_dual_channel) {
- TRY(do_wait_then_write(I8042Port::Command, I8042Command::TestSecondPS2Port));
- auto test_second_port_result = TRY(do_wait_then_read(I8042Port::Buffer));
- m_second_port_available = (test_second_port_result == 0);
- if (m_second_port_available) {
- TRY(do_wait_then_write(I8042Port::Command, I8042Command::EnableSecondPS2Port));
- configuration |= I8042ConfigurationFlag::SecondPS2PortInterrupt;
- configuration &= ~I8042ConfigurationFlag::SecondPS2PortClock;
- } else {
- dbgln("I8042: Mouse port not available");
- }
- }
-
- // Enable IRQs for the ports that are usable
- if (m_first_port_available || m_second_port_available) {
- configuration &= ~I8042ConfigurationFlag::FirstPS2PortClock;
- configuration &= ~I8042ConfigurationFlag::SecondPS2PortClock;
- TRY(do_wait_then_write(I8042Port::Command, I8042Command::WriteConfiguration));
- TRY(do_wait_then_write(I8042Port::Buffer, configuration));
- }
- }
-
- // Try to detect and initialize the devices
- if (m_first_port_available) {
- auto error_or_device = PS2KeyboardDevice::try_to_initialize(*this);
- if (error_or_device.is_error()) {
- dbgln("I8042: Keyboard device failed to initialize, disable");
- m_first_port_available = false;
- configuration &= ~I8042ConfigurationFlag::FirstPS2PortInterrupt;
- configuration |= I8042ConfigurationFlag::FirstPS2PortClock;
- m_keyboard_device = nullptr;
- SpinlockLocker lock(m_lock);
- TRY(do_wait_then_write(I8042Port::Command, I8042Command::WriteConfiguration));
- TRY(do_wait_then_write(I8042Port::Buffer, configuration));
- } else {
- m_keyboard_device = error_or_device.release_value();
- }
- }
- if (m_second_port_available) {
- auto vmmouse_device_or_error = VMWareMouseDevice::try_to_initialize(*this);
- if (vmmouse_device_or_error.is_error()) {
- // FIXME: is there something to do with the VMWare errors?
- auto mouse_device_or_error = PS2MouseDevice::try_to_initialize(*this);
- if (mouse_device_or_error.is_error()) {
- dbgln("I8042: Mouse device failed to initialize, disable");
- m_second_port_available = false;
- configuration |= I8042ConfigurationFlag::SecondPS2PortClock;
- m_mouse_device = nullptr;
- SpinlockLocker lock(m_lock);
- TRY(do_wait_then_write(I8042Port::Command, I8042Command::WriteConfiguration));
- TRY(do_wait_then_write(I8042Port::Buffer, configuration));
- } else {
- m_mouse_device = mouse_device_or_error.release_value();
- }
- } else {
- m_mouse_device = vmmouse_device_or_error.release_value();
- }
- }
-
- // Enable IRQs after both are detected and initialized
- if (m_keyboard_device)
- m_keyboard_device->enable_interrupts();
- if (m_mouse_device)
- m_mouse_device->enable_interrupts();
- return {};
-}
-
-bool I8042Controller::irq_process_input_buffer(HIDDevice::Type instrument_type)
-{
- VERIFY(Processor::current_in_irq());
-
- u8 status = IO::in8(I8042Port::Status);
- if (!(status & I8042StatusFlag::OutputBuffer))
- return false;
- u8 byte = IO::in8(I8042Port::Buffer);
- if (instrument_type == HIDDevice::Type::Mouse) {
- VERIFY(m_mouse_device);
- static_cast<PS2MouseDevice&>(*m_mouse_device).irq_handle_byte_read(byte);
- return true;
- }
- if (instrument_type == HIDDevice::Type::Keyboard) {
- VERIFY(m_keyboard_device);
- static_cast<PS2KeyboardDevice&>(*m_keyboard_device).irq_handle_byte_read(byte);
- return true;
- }
- return false;
-}
-
-ErrorOr<void> I8042Controller::drain_output_buffer()
-{
- for (int attempt = 0; attempt < 50; attempt++) {
- u8 status = IO::in8(I8042Port::Status);
- if (!(status & I8042StatusFlag::OutputBuffer))
- return {};
- IO::in8(I8042Port::Buffer);
-
- microseconds_delay(100);
- }
- return Error::from_errno(EBUSY);
-}
-
-ErrorOr<void> I8042Controller::do_reset_device(HIDDevice::Type device)
-{
- VERIFY(device != HIDDevice::Type::Unknown);
- VERIFY(m_lock.is_locked());
-
- VERIFY(!Processor::current_in_irq());
- auto reset_result = TRY(do_send_command(device, I8042Command::Reset));
- // FIXME: Is this the correct errno value for this?
- if (reset_result != I8042Response::Acknowledge)
- return Error::from_errno(EIO);
- // Wait until we get the self-test result
- auto self_test_result = TRY(do_wait_then_read(I8042Port::Buffer));
-
- // FIXME: Is this the correct errno value for this?
- if (self_test_result != I8042Response::Success)
- return Error::from_errno(EIO);
- return {};
-}
-
-ErrorOr<u8> I8042Controller::do_send_command(HIDDevice::Type device, u8 command)
-{
- VERIFY(device != HIDDevice::Type::Unknown);
- VERIFY(m_lock.is_locked());
-
- VERIFY(!Processor::current_in_irq());
-
- return do_write_to_device(device, command);
-}
-
-ErrorOr<u8> I8042Controller::do_send_command(HIDDevice::Type device, u8 command, u8 data)
-{
- VERIFY(device != HIDDevice::Type::Unknown);
- VERIFY(m_lock.is_locked());
-
- VERIFY(!Processor::current_in_irq());
-
- u8 response = TRY(do_write_to_device(device, command));
- if (response == I8042Response::Acknowledge)
- response = TRY(do_write_to_device(device, data));
- return response;
-}
-
-ErrorOr<u8> I8042Controller::do_write_to_device(HIDDevice::Type device, u8 data)
-{
- VERIFY(device != HIDDevice::Type::Unknown);
- VERIFY(m_lock.is_locked());
-
- VERIFY(!Processor::current_in_irq());
-
- int attempts = 0;
- u8 response;
- do {
- if (device != HIDDevice::Type::Keyboard) {
- TRY(prepare_for_output());
- IO::out8(I8042Port::Command, I8042Command::WriteSecondPS2PortInputBuffer);
- }
- TRY(prepare_for_output());
- IO::out8(I8042Port::Buffer, data);
-
- response = TRY(do_wait_then_read(I8042Port::Buffer));
- } while (response == I8042Response::Resend && ++attempts < 250);
- if (attempts >= 250)
- dbgln("Failed to write byte to device, gave up");
- return response;
-}
-
-ErrorOr<u8> I8042Controller::do_read_from_device(HIDDevice::Type device)
-{
- VERIFY(device != HIDDevice::Type::Unknown);
-
- TRY(prepare_for_input(device));
- return IO::in8(I8042Port::Buffer);
-}
-
-ErrorOr<void> I8042Controller::prepare_for_input(HIDDevice::Type device)
-{
- VERIFY(m_lock.is_locked());
- u8 const second_port_flag = device == HIDDevice::Type::Keyboard ? 0 : I8042StatusFlag::SecondPS2PortOutputBuffer;
- for (int attempt = 0; attempt < 1000; attempt++) {
- u8 status = IO::in8(I8042Port::Status);
- if (!(status & I8042StatusFlag::OutputBuffer)) {
- microseconds_delay(1000);
- continue;
- }
- if (device == HIDDevice::Type::Unknown)
- return {};
- if ((status & I8042StatusFlag::SecondPS2PortOutputBuffer) == second_port_flag)
- return {};
- microseconds_delay(1000);
- }
- return Error::from_errno(EBUSY);
-}
-
-ErrorOr<void> I8042Controller::prepare_for_output()
-{
- VERIFY(m_lock.is_locked());
- for (int attempt = 0; attempt < 250; attempt++) {
- u8 status = IO::in8(I8042Port::Status);
- if (!(status & I8042StatusFlag::InputBuffer))
- return {};
- microseconds_delay(1000);
- }
- return Error::from_errno(EBUSY);
-}
-
-UNMAP_AFTER_INIT void I8042Controller::do_write(u8 port, u8 data)
-{
- VERIFY(m_lock.is_locked());
- IO::out8(port, data);
-}
-
-UNMAP_AFTER_INIT u8 I8042Controller::do_read(u8 port)
-{
- VERIFY(m_lock.is_locked());
- return IO::in8(port);
-}
-
-ErrorOr<void> I8042Controller::do_wait_then_write(u8 port, u8 data)
-{
- VERIFY(m_lock.is_locked());
- TRY(prepare_for_output());
- IO::out8(port, data);
- return {};
-}
-
-ErrorOr<u8> I8042Controller::do_wait_then_read(u8 port)
-{
- VERIFY(m_lock.is_locked());
- TRY(prepare_for_input(HIDDevice::Type::Unknown));
- return IO::in8(port);
-}
-
-}
diff --git a/Kernel/Devices/HID/I8042Controller.h b/Kernel/Devices/HID/I8042Controller.h
deleted file mode 100644
index 997cf4517d..0000000000
--- a/Kernel/Devices/HID/I8042Controller.h
+++ /dev/null
@@ -1,164 +0,0 @@
-/*
- * Copyright (c) 2020, the SerenityOS developers.
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
-
-#pragma once
-
-#include <AK/AtomicRefCounted.h>
-#include <Kernel/Devices/HID/KeyboardDevice.h>
-#include <Kernel/Devices/HID/MouseDevice.h>
-#include <Kernel/Locking/Spinlock.h>
-
-namespace Kernel {
-
-enum I8042Port : u8 {
- Buffer = 0x60,
- Command = 0x64,
- Status = 0x64,
-};
-
-enum I8042Command : u8 {
- ReadConfiguration = 0x20,
- WriteConfiguration = 0x60,
- DisableSecondPS2Port = 0xA7,
- EnableSecondPS2Port = 0xA8,
- TestSecondPS2Port = 0xA9,
- TestPS2Controller = 0xAA,
- TestFirstPS2Port = 0xAB,
- DisableFirstPS2Port = 0xAD,
- EnableFirstPS2Port = 0xAE,
- WriteSecondPS2PortInputBuffer = 0xD4,
- SetScanCodeSet = 0xF0,
- GetDeviceID = 0xF2,
- SetSampleRate = 0xF3,
- EnablePacketStreaming = 0xF4,
- SetDefaults = 0xF6,
- Reset = 0xFF,
-};
-
-enum I8042ConfigurationFlag : u8 {
- FirstPS2PortInterrupt = 1 << 0,
- SecondPS2PortInterrupt = 1 << 1,
- SystemFlag = 1 << 2,
- FirstPS2PortClock = 1 << 4,
- SecondPS2PortClock = 1 << 5,
- FirstPS2PortTranslation = 1 << 6,
-};
-
-enum I8042StatusFlag : u8 {
- OutputBuffer = 1 << 0,
- InputBuffer = 1 << 1,
- System = 1 << 2,
- InputType = 1 << 3,
- SecondPS2PortOutputBuffer = 1 << 5,
- TimeoutError = 1 << 6,
- ParityError = 1 << 7,
-};
-
-enum I8042Response : u8 {
- ControllerTestPassed = 0x55,
- Success = 0xAA,
- Acknowledge = 0xFA,
- Resend = 0xFE,
-};
-
-class I8042Controller;
-class I8042Device {
-public:
- virtual ~I8042Device() = default;
-
- virtual void irq_handle_byte_read(u8 byte) = 0;
-
-protected:
- explicit I8042Device(I8042Controller const& ps2_controller)
- : m_i8042_controller(ps2_controller)
- {
- }
-
- NonnullLockRefPtr<I8042Controller> m_i8042_controller;
-};
-
-class PS2KeyboardDevice;
-class PS2MouseDevice;
-class HIDManagement;
-class I8042Controller final : public AtomicRefCounted<I8042Controller> {
- friend class PS2KeyboardDevice;
- friend class PS2MouseDevice;
-
-public:
- static NonnullLockRefPtr<I8042Controller> initialize();
-
- ErrorOr<void> detect_devices();
-
- ErrorOr<void> reset_device(HIDDevice::Type device)
- {
- SpinlockLocker lock(m_lock);
- return do_reset_device(device);
- }
-
- ErrorOr<u8> send_command(HIDDevice::Type device, u8 command)
- {
- SpinlockLocker lock(m_lock);
- return do_send_command(device, command);
- }
- ErrorOr<u8> send_command(HIDDevice::Type device, u8 command, u8 data)
- {
- SpinlockLocker lock(m_lock);
- return do_send_command(device, command, data);
- }
-
- ErrorOr<u8> read_from_device(HIDDevice::Type device)
- {
- SpinlockLocker lock(m_lock);
- return do_read_from_device(device);
- }
-
- ErrorOr<void> wait_then_write(u8 port, u8 data)
- {
- SpinlockLocker lock(m_lock);
- return do_wait_then_write(port, data);
- }
-
- ErrorOr<u8> wait_then_read(u8 port)
- {
- SpinlockLocker lock(m_lock);
- return do_wait_then_read(port);
- }
-
- ErrorOr<void> prepare_for_output();
- ErrorOr<void> prepare_for_input(HIDDevice::Type);
-
- bool irq_process_input_buffer(HIDDevice::Type);
-
- LockRefPtr<MouseDevice> mouse() const;
- LockRefPtr<KeyboardDevice> keyboard() const;
-
- // Note: This function exists only for the initialization process of the controller
- bool check_existence_via_probing(Badge<HIDManagement>);
-
-private:
- I8042Controller();
- ErrorOr<void> do_reset_device(HIDDevice::Type);
- ErrorOr<u8> do_send_command(HIDDevice::Type type, u8 data);
- ErrorOr<u8> do_send_command(HIDDevice::Type device, u8 command, u8 data);
- ErrorOr<u8> do_write_to_device(HIDDevice::Type device, u8 data);
- ErrorOr<u8> do_read_from_device(HIDDevice::Type device);
- ErrorOr<void> do_wait_then_write(u8 port, u8 data);
- ErrorOr<u8> do_wait_then_read(u8 port);
- ErrorOr<void> drain_output_buffer();
-
- // Note: These functions exist only for the initialization process of the controller
- void do_write(u8 port, u8 data);
- u8 do_read(u8 port);
-
- Spinlock m_lock { LockRank::None };
- bool m_first_port_available { false };
- bool m_second_port_available { false };
- bool m_is_dual_channel { false };
- LockRefPtr<MouseDevice> m_mouse_device;
- LockRefPtr<KeyboardDevice> m_keyboard_device;
-};
-
-}
diff --git a/Kernel/Devices/HID/PS2KeyboardDevice.cpp b/Kernel/Devices/HID/PS2KeyboardDevice.cpp
deleted file mode 100644
index ba8a3a3b25..0000000000
--- a/Kernel/Devices/HID/PS2KeyboardDevice.cpp
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
- * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
- * Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
-
-#include <AK/Types.h>
-#include <Kernel/Debug.h>
-#include <Kernel/Devices/DeviceManagement.h>
-#include <Kernel/Devices/HID/HIDManagement.h>
-#include <Kernel/Devices/HID/PS2KeyboardDevice.h>
-#include <Kernel/Scheduler.h>
-#include <Kernel/Sections.h>
-#include <Kernel/TTY/ConsoleManagement.h>
-#include <Kernel/WorkQueue.h>
-
-namespace Kernel {
-
-#define IRQ_KEYBOARD 1
-
-void PS2KeyboardDevice::irq_handle_byte_read(u8 byte)
-{
- u8 ch = byte & 0x7f;
- bool pressed = !(byte & 0x80);
-
- m_entropy_source.add_random_event(byte);
-
- if (byte == 0xe0) {
- m_has_e0_prefix = true;
- return;
- }
-
- if ((m_modifiers == (Mod_Alt | Mod_Shift) || m_modifiers == (Mod_Ctrl | Mod_Alt | Mod_Shift)) && byte == 0x58) {
- // Alt+Shift+F12 pressed, dump some kernel state to the debug console.
- ConsoleManagement::the().switch_to_debug();
- Scheduler::dump_scheduler_state(m_modifiers == (Mod_Ctrl | Mod_Alt | Mod_Shift));
- }
-
- dbgln_if(KEYBOARD_DEBUG, "Keyboard::irq_handle_byte_read: {:#02x} {}", ch, (pressed ? "down" : "up"));
- switch (ch) {
- case 0x38:
- if (m_has_e0_prefix)
- update_modifier(Mod_AltGr, pressed);
- else
- update_modifier(Mod_Alt, pressed);
- break;
- case 0x1d:
- update_modifier(Mod_Ctrl, pressed);
- break;
- case 0x5b:
- m_left_super_pressed = pressed;
- update_modifier(Mod_Super, m_left_super_pressed || m_right_super_pressed);
- break;
- case 0x5c:
- m_right_super_pressed = pressed;
- update_modifier(Mod_Super, m_left_super_pressed || m_right_super_pressed);
- break;
- case 0x2a:
- m_left_shift_pressed = pressed;
- update_modifier(Mod_Shift, m_left_shift_pressed || m_right_shift_pressed);
- break;
- case 0x36:
- m_right_shift_pressed = pressed;
- update_modifier(Mod_Shift, m_left_shift_pressed || m_right_shift_pressed);
- break;
- }
- switch (ch) {
- case I8042Response::Acknowledge:
- break;
- default:
- if ((m_modifiers & Mod_Alt) != 0 && ch >= 2 && ch <= ConsoleManagement::s_max_virtual_consoles + 1) {
- // FIXME: Do something sanely here if we can't allocate a work queue?
- MUST(g_io_work->try_queue([ch]() {
- ConsoleManagement::the().switch_to(ch - 0x02);
- }));
- }
- key_state_changed(ch, pressed);
- }
-}
-
-bool PS2KeyboardDevice::handle_irq(RegisterState const&)
-{
- // The controller will read the data and call irq_handle_byte_read
- // for the appropriate device
- return m_i8042_controller->irq_process_input_buffer(HIDDevice::Type::Keyboard);
-}
-
-UNMAP_AFTER_INIT ErrorOr<NonnullLockRefPtr<PS2KeyboardDevice>> PS2KeyboardDevice::try_to_initialize(I8042Controller const& ps2_controller)
-{
- auto keyboard_device = TRY(DeviceManagement::try_create_device<PS2KeyboardDevice>(ps2_controller));
-
- TRY(keyboard_device->initialize());
-
- return keyboard_device;
-}
-
-UNMAP_AFTER_INIT ErrorOr<void> PS2KeyboardDevice::initialize()
-{
- return m_i8042_controller->reset_device(HIDDevice::Type::Keyboard);
-}
-
-// FIXME: UNMAP_AFTER_INIT might not be correct, because in practice PS/2 devices
-// are hot pluggable.
-UNMAP_AFTER_INIT PS2KeyboardDevice::PS2KeyboardDevice(I8042Controller const& ps2_controller)
- : IRQHandler(IRQ_KEYBOARD)
- , KeyboardDevice()
- , I8042Device(ps2_controller)
-{
-}
-
-// FIXME: UNMAP_AFTER_INIT might not be correct, because in practice PS/2 devices
-// are hot pluggable.
-UNMAP_AFTER_INIT PS2KeyboardDevice::~PS2KeyboardDevice() = default;
-
-}
diff --git a/Kernel/Devices/HID/PS2KeyboardDevice.h b/Kernel/Devices/HID/PS2KeyboardDevice.h
deleted file mode 100644
index 24e9465eea..0000000000
--- a/Kernel/Devices/HID/PS2KeyboardDevice.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
-
-#pragma once
-
-#include <AK/CircularQueue.h>
-#include <AK/DoublyLinkedList.h>
-#include <AK/Types.h>
-#include <Kernel/API/KeyCode.h>
-#include <Kernel/Devices/HID/I8042Controller.h>
-#include <Kernel/Devices/HID/KeyboardDevice.h>
-#include <Kernel/Interrupts/IRQHandler.h>
-#include <Kernel/Random.h>
-
-namespace Kernel {
-
-class PS2KeyboardDevice final : public IRQHandler
- , public KeyboardDevice
- , public I8042Device {
- friend class DeviceManagement;
-
-public:
- static ErrorOr<NonnullLockRefPtr<PS2KeyboardDevice>> try_to_initialize(I8042Controller const&);
- virtual ~PS2KeyboardDevice() override;
- ErrorOr<void> initialize();
-
- virtual StringView purpose() const override { return class_name(); }
-
- // ^I8042Device
- virtual void irq_handle_byte_read(u8 byte) override;
- virtual void enable_interrupts() override
- {
- enable_irq();
- }
-
-private:
- explicit PS2KeyboardDevice(I8042Controller const&);
-
- // ^IRQHandler
- virtual bool handle_irq(RegisterState const&) override;
-
- // ^CharacterDevice
- virtual StringView class_name() const override { return "KeyboardDevice"sv; }
-};
-
-}
diff --git a/Kernel/Devices/HID/PS2MouseDevice.cpp b/Kernel/Devices/HID/PS2MouseDevice.cpp
deleted file mode 100644
index 86f090ffea..0000000000
--- a/Kernel/Devices/HID/PS2MouseDevice.cpp
+++ /dev/null
@@ -1,223 +0,0 @@
-/*
- * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
-
-#include <AK/Memory.h>
-#include <Kernel/Arch/x86/Hypervisor/VMWareBackdoor.h>
-#include <Kernel/Debug.h>
-#include <Kernel/Devices/DeviceManagement.h>
-#include <Kernel/Devices/HID/PS2MouseDevice.h>
-#include <Kernel/Sections.h>
-
-namespace Kernel {
-
-#define IRQ_MOUSE 12
-
-#define PS2MOUSE_INTELLIMOUSE_ID 0x03
-#define PS2MOUSE_INTELLIMOUSE_EXPLORER_ID 0x04
-
-UNMAP_AFTER_INIT PS2MouseDevice::PS2MouseDevice(I8042Controller const& ps2_controller)
- : IRQHandler(IRQ_MOUSE)
- , MouseDevice()
- , I8042Device(ps2_controller)
-{
-}
-
-UNMAP_AFTER_INIT PS2MouseDevice::~PS2MouseDevice() = default;
-
-bool PS2MouseDevice::handle_irq(RegisterState const&)
-{
- // The controller will read the data and call irq_handle_byte_read
- // for the appropriate device
- return m_i8042_controller->irq_process_input_buffer(instrument_type());
-}
-
-void PS2MouseDevice::irq_handle_byte_read(u8 byte)
-{
- auto commit_packet = [&] {
- m_data_state = 0;
- dbgln_if(PS2MOUSE_DEBUG, "PS2Mouse: {}, {} {} {}",
- m_data.bytes[1],
- m_data.bytes[2],
- (m_data.bytes[0] & 1) ? "Left" : "",
- (m_data.bytes[0] & 2) ? "Right" : "");
-
- m_entropy_source.add_random_event(m_data.dword);
-
- {
- SpinlockLocker lock(m_queue_lock);
- m_queue.enqueue(parse_data_packet(m_data));
- }
- evaluate_block_conditions();
- };
-
- VERIFY(m_data_state < sizeof(m_data.bytes) / sizeof(m_data.bytes[0]));
- m_data.bytes[m_data_state] = byte;
-
- switch (m_data_state) {
- case 0:
- if (!(byte & 0x08)) {
- dbgln("PS2Mouse: Stream out of sync.");
- break;
- }
- ++m_data_state;
- break;
- case 1:
- ++m_data_state;
- break;
- case 2:
- if (m_has_wheel) {
- ++m_data_state;
- break;
- }
- commit_packet();
- break;
- case 3:
- VERIFY(m_has_wheel);
- commit_packet();
- break;
- }
-}
-
-MousePacket PS2MouseDevice::parse_data_packet(RawPacket const& raw_packet)
-{
- int x = raw_packet.bytes[1];
- int y = raw_packet.bytes[2];
- int z = 0;
- int w = 0;
- if (m_has_wheel) {
- // FIXME: For non-Intellimouse, this is a full byte.
- // However, for now, m_has_wheel is only set for Intellimouse.
- z = (char)(raw_packet.bytes[3] & 0x0f);
-
- // -1 in 4 bits
- if (z == 15)
- z = -1;
-
- if ((raw_packet.bytes[3] & 0xc0) == 0x40) {
- // FIXME: Scroll only functions correctly when the sign is flipped there
- w = -z;
- z = 0;
- } else {
- w = 0;
- }
- }
- bool x_overflow = raw_packet.bytes[0] & 0x40;
- bool y_overflow = raw_packet.bytes[0] & 0x80;
- bool x_sign = raw_packet.bytes[0] & 0x10;
- bool y_sign = raw_packet.bytes[0] & 0x20;
- if (x && x_sign)
- x -= 0x100;
- if (y && y_sign)
- y -= 0x100;
- if (x_overflow || y_overflow) {
- x = 0;
- y = 0;
- }
- MousePacket packet;
- packet.x = x;
- packet.y = y;
- packet.z = z;
- packet.w = w;
- packet.buttons = raw_packet.bytes[0] & 0x07;
-
- if (m_has_five_buttons) {
- if (raw_packet.bytes[3] & 0x10)
- packet.buttons |= MousePacket::BackwardButton;
- if (raw_packet.bytes[3] & 0x20)
- packet.buttons |= MousePacket::ForwardButton;
- }
-
- packet.is_relative = true;
- dbgln_if(PS2MOUSE_DEBUG, "PS2 Relative Mouse: Buttons {:x}", packet.buttons);
- dbgln_if(PS2MOUSE_DEBUG, "Mouse: X {}, Y {}, Z {}, W {}", packet.x, packet.y, packet.z, packet.w);
- return packet;
-}
-
-ErrorOr<u8> PS2MouseDevice::get_device_id()
-{
- TRY(send_command(I8042Command::GetDeviceID));
- return read_from_device();
-}
-
-ErrorOr<u8> PS2MouseDevice::read_from_device()
-{
- return m_i8042_controller->read_from_device(instrument_type());
-}
-
-ErrorOr<u8> PS2MouseDevice::send_command(u8 command)
-{
- u8 response = TRY(m_i8042_controller->send_command(instrument_type(), command));
-
- if (response != I8042Response::Acknowledge) {
- dbgln("PS2MouseDevice: Command {} got {} but expected ack: {}", command, response, static_cast<u8>(I8042Response::Acknowledge));
- return Error::from_errno(EIO);
- }
- return response;
-}
-
-ErrorOr<u8> PS2MouseDevice::send_command(u8 command, u8 data)
-{
- u8 response = TRY(m_i8042_controller->send_command(instrument_type(), command, data));
- if (response != I8042Response::Acknowledge) {
- dbgln("PS2MouseDevice: Command {} got {} but expected ack: {}", command, response, static_cast<u8>(I8042Response::Acknowledge));
- return Error::from_errno(EIO);
- }
- return response;
-}
-
-ErrorOr<void> PS2MouseDevice::set_sample_rate(u8 rate)
-{
- TRY(send_command(I8042Command::SetSampleRate, rate));
- return {};
-}
-
-UNMAP_AFTER_INIT ErrorOr<NonnullLockRefPtr<PS2MouseDevice>> PS2MouseDevice::try_to_initialize(I8042Controller const& ps2_controller)
-{
- auto mouse_device = TRY(DeviceManagement::try_create_device<PS2MouseDevice>(ps2_controller));
- TRY(mouse_device->initialize());
- return mouse_device;
-}
-
-UNMAP_AFTER_INIT ErrorOr<void> PS2MouseDevice::initialize()
-{
- TRY(m_i8042_controller->reset_device(instrument_type()));
-
- u8 device_id = TRY(read_from_device());
-
- TRY(send_command(I8042Command::SetDefaults));
-
- TRY(send_command(I8042Command::EnablePacketStreaming));
-
- if (device_id != PS2MOUSE_INTELLIMOUSE_ID) {
- // Send magical wheel initiation sequence.
- TRY(set_sample_rate(200));
- TRY(set_sample_rate(100));
- TRY(set_sample_rate(80));
- device_id = TRY(get_device_id());
- }
- if (device_id == PS2MOUSE_INTELLIMOUSE_ID) {
- m_has_wheel = true;
- dmesgln("PS2MouseDevice: Mouse wheel enabled!");
- } else {
- dmesgln("PS2MouseDevice: No mouse wheel detected!");
- }
-
- if (device_id == PS2MOUSE_INTELLIMOUSE_ID) {
- // Try to enable 5 buttons as well!
- TRY(set_sample_rate(200));
- TRY(set_sample_rate(200));
- TRY(set_sample_rate(80));
- device_id = TRY(get_device_id());
- }
-
- if (device_id == PS2MOUSE_INTELLIMOUSE_EXPLORER_ID) {
- m_has_five_buttons = true;
- dmesgln("PS2MouseDevice: 5 buttons enabled!");
- }
- return {};
-}
-
-}
diff --git a/Kernel/Devices/HID/PS2MouseDevice.h b/Kernel/Devices/HID/PS2MouseDevice.h
deleted file mode 100644
index 773d58bd4e..0000000000
--- a/Kernel/Devices/HID/PS2MouseDevice.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
-
-#pragma once
-
-#include <AK/CircularQueue.h>
-#include <Kernel/API/MousePacket.h>
-#include <Kernel/Devices/HID/I8042Controller.h>
-#include <Kernel/Devices/HID/MouseDevice.h>
-#include <Kernel/Interrupts/IRQHandler.h>
-#include <Kernel/Random.h>
-
-namespace Kernel {
-class PS2MouseDevice : public IRQHandler
- , public MouseDevice
- , public I8042Device {
- friend class DeviceManagement;
-
-public:
- static ErrorOr<NonnullLockRefPtr<PS2MouseDevice>> try_to_initialize(I8042Controller const&);
- ErrorOr<void> initialize();
-
- virtual ~PS2MouseDevice() override;
-
- virtual StringView purpose() const override { return class_name(); }
-
- // ^I8042Device
- virtual void irq_handle_byte_read(u8 byte) override;
- virtual void enable_interrupts() override
- {
- enable_irq();
- }
-
-protected:
- explicit PS2MouseDevice(I8042Controller const&);
-
- // ^IRQHandler
- virtual bool handle_irq(RegisterState const&) override;
-
- struct RawPacket {
- union {
- u32 dword;
- u8 bytes[4];
- };
- };
-
- ErrorOr<u8> read_from_device();
- ErrorOr<u8> send_command(u8 command);
- ErrorOr<u8> send_command(u8 command, u8 data);
- MousePacket parse_data_packet(RawPacket const&);
- ErrorOr<void> set_sample_rate(u8);
- ErrorOr<u8> get_device_id();
-
- u8 m_data_state { 0 };
- RawPacket m_data;
- bool m_has_wheel { false };
- bool m_has_five_buttons { false };
-};
-
-}
diff --git a/Kernel/Devices/HID/VMWareMouseDevice.cpp b/Kernel/Devices/HID/VMWareMouseDevice.cpp
deleted file mode 100644
index b059477338..0000000000
--- a/Kernel/Devices/HID/VMWareMouseDevice.cpp
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
-
-#include <Kernel/Arch/x86/Hypervisor/VMWareBackdoor.h>
-#include <Kernel/Devices/DeviceManagement.h>
-#include <Kernel/Devices/HID/VMWareMouseDevice.h>
-#include <Kernel/Sections.h>
-
-namespace Kernel {
-
-UNMAP_AFTER_INIT ErrorOr<NonnullLockRefPtr<VMWareMouseDevice>> VMWareMouseDevice::try_to_initialize(I8042Controller const& ps2_controller)
-{
- // FIXME: return the correct error
- if (!VMWareBackdoor::the())
- return Error::from_errno(EIO);
- if (!VMWareBackdoor::the()->vmmouse_is_absolute())
- return Error::from_errno(EIO);
- auto mouse_device = TRY(DeviceManagement::try_create_device<VMWareMouseDevice>(ps2_controller));
- TRY(mouse_device->initialize());
- return mouse_device;
-}
-
-void VMWareMouseDevice::irq_handle_byte_read(u8)
-{
- auto backdoor = VMWareBackdoor::the();
- VERIFY(backdoor);
- VERIFY(backdoor->vmmouse_is_absolute());
-
- // We will receive 4 bytes from the I8042 controller that we are going to
- // ignore. Instead, we will check with VMWareBackdoor to see how many bytes
- // of mouse event data are waiting for us. For each multiple of 4, we
- // produce a mouse packet.
- constexpr u8 max_iterations = 128;
- u8 current_iteration = 0;
- while (++current_iteration < max_iterations) {
- auto number_of_mouse_event_bytes = backdoor->read_mouse_status_queue_size();
- if (number_of_mouse_event_bytes == 0)
- break;
- VERIFY(number_of_mouse_event_bytes % 4 == 0);
-
- auto mouse_packet = backdoor->receive_mouse_packet();
- m_entropy_source.add_random_event(mouse_packet);
- {
- SpinlockLocker lock(m_queue_lock);
- m_queue.enqueue(mouse_packet);
- }
- }
- evaluate_block_conditions();
-}
-
-VMWareMouseDevice::VMWareMouseDevice(I8042Controller const& ps2_controller)
- : PS2MouseDevice(ps2_controller)
-{
-}
-VMWareMouseDevice::~VMWareMouseDevice() = default;
-
-}
diff --git a/Kernel/Devices/HID/VMWareMouseDevice.h b/Kernel/Devices/HID/VMWareMouseDevice.h
deleted file mode 100644
index 96e11f6923..0000000000
--- a/Kernel/Devices/HID/VMWareMouseDevice.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
-
-#pragma once
-
-#include <AK/CircularQueue.h>
-#include <Kernel/API/MousePacket.h>
-#include <Kernel/Devices/HID/I8042Controller.h>
-#include <Kernel/Devices/HID/PS2MouseDevice.h>
-#include <Kernel/Interrupts/IRQHandler.h>
-#include <Kernel/Random.h>
-
-namespace Kernel {
-
-class VMWareMouseDevice final : public PS2MouseDevice {
-public:
- friend class DeviceManagement;
- static ErrorOr<NonnullLockRefPtr<VMWareMouseDevice>> try_to_initialize(I8042Controller const&);
- virtual ~VMWareMouseDevice() override;
-
- // ^I8042Device
- virtual void irq_handle_byte_read(u8 byte) override;
-
-private:
- explicit VMWareMouseDevice(I8042Controller const&);
-};
-
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 07:50:45 +0000