RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 13:07:46 +00:00
Code Issues Activity Actions

Kernel: Enumify all magic constants for I8042 devices

Browse source 
This makes the code much easier to read.
This commit is contained in:
Jelle Raaijmakers 2021-10-24 19:51:00 +02:00 • committed by Andreas Kling
parent 0a748de1a0
commit 26c84967fa
4 changed files with 115 additions and 82 deletions
Download patch file Download diff file Expand all files Collapse all files

28
Kernel/Devices/HID/PS2MouseDevice.cpp
View file

@ -16,17 +16,6 @@ namespace Kernel {
#define IRQ_MOUSE 12
#define PS2MOUSE_SET_RESOLUTION 0xE8
#define PS2MOUSE_STATUS_REQUEST 0xE9
#define PS2MOUSE_REQUEST_SINGLE_PACKET 0xEB
#define PS2MOUSE_GET_DEVICE_ID 0xF2
#define PS2MOUSE_SET_SAMPLE_RATE 0xF3
#define PS2MOUSE_ENABLE_PACKET_STREAMING 0xF4
#define PS2MOUSE_DISABLE_PACKET_STREAMING 0xF5
#define PS2MOUSE_SET_DEFAULTS 0xF6
#define PS2MOUSE_RESEND 0xFE
#define PS2MOUSE_RESET 0xFF
#define PS2MOUSE_INTELLIMOUSE_ID 0x03
#define PS2MOUSE_INTELLIMOUSE_EXPLORER_ID 0x04
@ -142,7 +131,7 @@ MousePacket PS2MouseDevice::parse_data_packet(const RawPacket& raw_packet)
u8 PS2MouseDevice::get_device_id()
{
if (send_command(PS2MOUSE_GET_DEVICE_ID) != I8042_ACK)
if (send_command(I8042Command::GetDeviceID) != I8042Response::Acknowledge)
return 0;
return read_from_device();
}
@ -155,22 +144,22 @@ u8 PS2MouseDevice::read_from_device()
u8 PS2MouseDevice::send_command(u8 command)
{
u8 response = m_i8042_controller->send_command(instrument_type(), command);
if (response != I8042_ACK)
dbgln("PS2MouseDevice: Command {} got {} but expected ack: {}", command, response, I8042_ACK);
if (response != I8042Response::Acknowledge)
dbgln("PS2MouseDevice: Command {} got {} but expected ack: {}", command, response, static_cast<u8>(I8042Response::Acknowledge));
return response;
}
u8 PS2MouseDevice::send_command(u8 command, u8 data)
{
u8 response = m_i8042_controller->send_command(instrument_type(), command, data);
if (response != I8042_ACK)
dbgln("PS2MouseDevice: Command {} got {} but expected ack: {}", command, response, I8042_ACK);
if (response != I8042Response::Acknowledge)
dbgln("PS2MouseDevice: Command {} got {} but expected ack: {}", command, response, static_cast<u8>(I8042Response::Acknowledge));
return response;
}
void PS2MouseDevice::set_sample_rate(u8 rate)
{
send_command(PS2MOUSE_SET_SAMPLE_RATE, rate);
send_command(I8042Command::SetSampleRate, rate);
}
UNMAP_AFTER_INIT RefPtr<PS2MouseDevice> PS2MouseDevice::try_to_initialize(const I8042Controller& ps2_controller)
@ -192,11 +181,10 @@ UNMAP_AFTER_INIT bool PS2MouseDevice::initialize()
u8 device_id = read_from_device();
// Set default settings.
if (send_command(PS2MOUSE_SET_DEFAULTS) != I8042_ACK)
if (send_command(I8042Command::SetDefaults) != I8042Response::Acknowledge)
return false;
if (send_command(PS2MOUSE_ENABLE_PACKET_STREAMING) != I8042_ACK)
if (send_command(I8042Command::EnablePacketStreaming) != I8042Response::Acknowledge)
return false;
if (device_id != PS2MOUSE_INTELLIMOUSE_ID) {