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Revert "Kernel+Userland: Implement support for PS2 scan code set 2"

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This reverts commit 61a385fc01.

The commit broke the shift and caps lock key from working.
This commit is contained in:
Andrew Kaster 2023-12-29 21:47:00 +01:00 • committed by Andrew Kaster
parent 68b0826107
commit d3025668a4
12 changed files with 440 additions and 982 deletions
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14
Kernel/Arch/x86_64/ISABus/I8042Controller.cpp
View file

@ -120,7 +120,7 @@ UNMAP_AFTER_INIT bool I8042Controller::check_existence_via_probing(Badge<HIDMana
}
}
UNMAP_AFTER_INIT ErrorOr<void> I8042Controller::detect_devices(EnableKeyboardFirstPortTranslation enable_first_port_translation)
UNMAP_AFTER_INIT ErrorOr<void> I8042Controller::detect_devices()
{
u8 configuration;
{
@ -135,13 +135,7 @@ UNMAP_AFTER_INIT ErrorOr<void> I8042Controller::detect_devices(EnableKeyboardFir
configuration = TRY(do_wait_then_read_any_input(I8042Port::Buffer));
configuration &= ~I8042ConfigurationFlag::FirstPS2PortInterrupt;
configuration &= ~I8042ConfigurationFlag::SecondPS2PortInterrupt;
// FIXME: Don't enable translation for the first i8042 port if nothing is connected
// or even worse - a mouse device, because we will get garbage data.
if (enable_first_port_translation == EnableKeyboardFirstPortTranslation::Yes)
configuration |= I8042ConfigurationFlag::FirstPS2PortTranslation;
else
configuration &= ~I8042ConfigurationFlag::FirstPS2PortTranslation;
configuration |= I8042ConfigurationFlag::FirstPS2PortTranslation;
TRY(do_wait_then_write(I8042Port::Command, I8042Command::WriteConfiguration));
TRY(do_wait_then_write(I8042Port::Buffer, configuration));
@ -203,9 +197,7 @@ UNMAP_AFTER_INIT ErrorOr<void> I8042Controller::detect_devices(EnableKeyboardFir
// FIXME: Actually figure out the connected PS2 device type
m_first_ps2_port.device_type = PS2DeviceType::StandardKeyboard;
auto keyboard_device = TRY(KeyboardDevice::try_to_initialize());
// FIXME: Determine if the user wants to operate in scan code set 3.
auto keyboard_device_scan_code_set = enable_first_port_translation == EnableKeyboardFirstPortTranslation::Yes ? ScanCodeSet::Set1 : ScanCodeSet::Set2;
auto error_or_device = PS2KeyboardDevice::try_to_initialize(*this, I8042PortIndex::FirstPort, keyboard_device_scan_code_set, *keyboard_device);
auto error_or_device = PS2KeyboardDevice::try_to_initialize(*this, I8042PortIndex::FirstPort, *keyboard_device);
if (error_or_device.is_error()) {
dbgln("I8042: Keyboard device failed to initialize, disable");
m_first_port_available = false;

7
Kernel/Arch/x86_64/ISABus/I8042Controller.h
View file

@ -94,12 +94,7 @@ class I8042Controller final : public SerialIOController {
public:
static ErrorOr<NonnullRefPtr<I8042Controller>> create();
enum class EnableKeyboardFirstPortTranslation {
Yes,
No
};
ErrorOr<void> detect_devices(EnableKeyboardFirstPortTranslation);
ErrorOr<void> detect_devices();
virtual ErrorOr<void> send_command(PortIndex, DeviceCommand command) override;
virtual ErrorOr<void> send_command(PortIndex, DeviceCommand command, u8 data) override;