68 lines
2.9 KiB
C
68 lines
2.9 KiB
C
#pragma once
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#include "../../../../util/queue.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define PIC_PS2_MOUSE_SAMPLERATE 60 // the sample rate of the mouse
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#define PIC_PS2_KEYBOARD 1 // Keyboard IRQ number
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#define PIC_PS2_MOUSE 12 // Mouse IRQ number
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#define PIC_PS2_IOPORT 0x0060
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#define PIC_PS2_STATUSPORT 0x0064
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#define PIC_PS2_CMDPORT 0x0064
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#define PIC_PS2_STATUS_OUTPUT_BUFFER (1 << 0)
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#define PIC_PS2_STATUS_INPUT_BUFFER (1 << 1)
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#define PIC_PS2_STATUS_SYSTEM_FLAG (1 << 2)
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#define PIC_PS2_STATUS_INPUT_BUFFER_IS_COMMAND (1 << 3) // (0 = data written to input buffer is data for PS/2 device, 1 = data written to input buffer is data for PS/2 controller command)
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#define PIC_PS2_STATUS_UNUSED_4 (1 << 4)
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#define PIC_PS2_STATUS_UNUSED_5 (1 << 5)
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#define PIC_PS2_STATUS_TIMEOUT_ERROR (1 << 6)
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#define PIC_PS2_STATUS_PARITY_ERROR (1 << 7)
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#define PIC_PS2_CONFIG_PORT1_INTERRUPT (1 << 0) // PS/2 port interrupt (1=Enabled, 0=Disabled)
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#define PIC_PS2_CONFIG_PORT2_INTERRUPT (1 << 1) // PS/2 port interrupt (1=Enabled, 0=Disabled)
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#define PIC_PS2_CONFIG_SYSTEM_POST_OK (1 << 2) // If the system have passed POST
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#define PIC_PS2_CONFIG_PORT1_CLOCK (1 << 4) // PS/2 port clock (1=Disabled, 0=Enabled)
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#define PIC_PS2_CONFIG_PORT2_CLOCK (1 << 5) // PS/2 port clock (1=Disabled, 0=Enabled)
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#define PIC_PS2_CONFIG_PORT1_TRANSLATION (1 << 6) // PS/2 keyboard scancode translation (from Set 2 to Set 1)
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#define PIC_PS2_ACK 0xfa // ACK code for keyboard and mouse (controller cmds have no ack)
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#define PIC_PS2_RESET_OK 0xaa // the last output byte when a PS/2 device is reset
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#define PIC_PS2_CMD_READ_CONFIGBYTE 0x20 // Read byte 0 from controller RAM (configuration byte)
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#define PIC_PS2_CMD_WRITE_CONFIGBYTE 0x60 // Write byte 0 to controller RAM (config byte)
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#define PIC_PS2_CMD_DISABLE_MOUSE 0xa9 // Disable second PS/2 port (usually mouse)
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#define PIC_PS2_CMD_ENABLE_MOUSE 0xa8 // Enable second PS/2 port (usually mouse)
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#define PIC_PS2_CMD_SEND_MOUSE 0xd4 // Send a data byte to the second PS/2 port (usually mouse)
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#define PIC_PS2_CMD_DEVICE_GETID 0xf2
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#define PIC_PS2_CMD_DEVICE_RESET 0xff
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#define PIC_PS2_CMD_DEVICE_MOUSE_DISABLE_REPORTING 0xf5
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#define PIC_PS2_CMD_DEVICE_MOUSE_ENABLE_REPORTING 0xf4
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#define PIC_PS2_CMD_DEVICE_MOUSE_REQUEST_PACKET 0xeb
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void pic_ps2_Init();
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extern bool pic_ps2_HasMouse; // does the PS/2 controller have 2 channels?
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extern bool pic_ps2_Mouse4Bytes; // the mouse has 4-byte data packages instead of 3; mouse wheel enabled
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// size in bytes of the Keyboard/Mouse FIFO buffers
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#define PIC_PS2_QUEUESIZE_KEYBOARD 64
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#define PIC_PS2_QUEUESIZE_MOUSE 256
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// data queue in bytes for the Keyboard and Mouse IRQs
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extern queue pic_ps2_QueueKeyboard, irq_pic_ps2_QueueMouse;
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#ifdef __cplusplus
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}
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#endif
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