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// MIT License, Copyright (c) 2021 Marvin Borner
#ifndef PS2_H
#define PS2_H
#include <def.h>
#define PS2_ACK 0xfa
#define PS2_RESEND 0xfe
#define PS2_TYPE_STANDARD_MOUSE 0x0000
#define PS2_TYPE_WHEEL_MOUSE 0x0003
#define PS2_TYPE_BUTTON_MOUSE 0x0004
#define PS2_TYPE_TRANSLATION_KEYBOARD1 0xab41
#define PS2_TYPE_TRANSLATION_KEYBOARD2 0xabc1
#define PS2_TYPE_STANDARD_KEYBOARD 0xab83
#define PS2_KEYBOARD(type) \
((type) == PS2_TYPE_TRANSLATION_KEYBOARD1 || (type) == PS2_TYPE_TRANSLATION_KEYBOARD2 || \
(type) == PS2_TYPE_STANDARD_KEYBOARD)
#define PS2_MOUSE(type) \
((type) == PS2_TYPE_STANDARD_MOUSE || (type) == PS2_TYPE_WHEEL_MOUSE || \
(type) == PS2_TYPE_BUTTON_MOUSE)
struct ps2_status {
u8 in_full : 1;
u8 out_full : 1;
u8 system : 1;
u8 command : 1;
u8 reserved : 2;
u8 error_time : 1;
u8 error_parity : 1;
};
struct ps2_config {
u8 first_int : 1;
u8 second_int : 1;
u8 running : 1;
u8 zero1 : 1;
u8 first_clock_disabled : 1;
u8 second_clock_disabled : 1;
u8 first_translation : 1;
u8 zero2 : 1;
};
u8 ps2_read_data(void);
u8 ps2_write_data(u8 byte);
u8 ps2_write_device(u8 device, u8 data);
void ps2_detect(void);
u8 ps2_keyboard_detect(void);
u8 ps2_mouse_detect(void);
void ps2_mouse_enable(u8 device);
void ps2_mouse_install(u8 device);
void ps2_keyboard_reset(void);
void ps2_keyboard_install(u8 device);
#endif
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