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Diffstat (limited to 'kernel/inc/drivers/ps2.h')
| -rw-r--r-- | kernel/inc/drivers/ps2.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/kernel/inc/drivers/ps2.h b/kernel/inc/drivers/ps2.h new file mode 100644 index 0000000..5db8b57 --- /dev/null +++ b/kernel/inc/drivers/ps2.h @@ -0,0 +1,59 @@ +// 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 |