1/* $NetBSD: pckbdreg.h,v 1.4 2023/07/16 19:09:07 christos Exp $ */
2
3/*
4 * Keyboard definitions
5 */
6
7/* keyboard commands */
8#define KBC_RESET 0xFF /* reset the keyboard */
9#define KBC_RESEND 0xFE /* request the keyboard resend the last byte */
10#define KBC_SETDEFAULT 0xF6 /* resets keyboard to its power-on defaults */
11#define KBC_DISABLE 0xF5 /* as per KBC_SETDEFAULT, but also disable key scanning */
12#define KBC_ENABLE 0xF4 /* enable key scanning */
13#define KBC_TYPEMATIC 0xF3 /* set typematic rate and delay */
14#define KBC_GETID 0xF2 /* get keyboard ID */
15#define KBC_SETTABLE 0xF0 /* set scancode translation table */
16#define KBC_MODEIND 0xED /* set mode indicators (i.e. LEDs) */
17#define KBC_ECHO 0xEE /* request an echo from the keyboard */
18
19/* keyboard responses */
20#define KBR_EXTENDED0 0xE0 /* extended key sequence */
21#define KBR_EXTENDED1 0xE1 /* extended key sequence */
22#define KBR_RESEND 0xFE /* needs resend of command */
23#define KBR_BAT_DONE 0xAA
24#define KBR_ACK 0xFA /* received a valid command */
25#define KBR_BAT_FAIL 0xFC
26#define KBR_OVERRUN 0x00 /* flooded */
27#define KBR_FAILURE 0xFD /* diagnostic failure */
28#define KBR_BREAK 0xF0 /* break code prefix - sent on key release */
29#define KBR_RSTDONE 0xAA /* reset complete */
30#define KBR_ECHO 0xEE /* echo response */