/* $OpenBSD: pckbdreg.h,v 1.3 2023/08/13 21:54:02 miod Exp $ */
/* $NetBSD: pckbdreg.h,v 1.2 1998/04/07 13:43:16 hannken Exp $ */

/*
 * Keyboard definitions
 */

/* keyboard commands */
#define KBC_RESET       0xFF    /* reset the keyboard */
#define KBC_RESEND      0xFE    /* request the keyboard resend the last byte */
#define KBC_SETDEFAULT  0xF6    /* resets keyboard to its power-on defaults */
#define KBC_DISABLE     0xF5    /* as per KBC_SETDEFAULT, but also disable key scanning */
#define KBC_ENABLE      0xF4    /* enable key scanning */
#define KBC_TYPEMATIC   0xF3    /* set typematic rate and delay */
#define KBC_GETID       0xF2    /* get keyboard ID (not supported on AT kbd) */
#define KBC_SETTABLE    0xF0    /* set scancode translation table */
#define KBC_MODEIND     0xED    /* set mode indicators (i.e. LEDs) */
#define KBC_ECHO        0xEE    /* request an echo from the keyboard */

/* keyboard responses */
#define KBR_EXTENDED0   0xE0    /* extended key sequence */
#define KBR_EXTENDED1   0xE1    /* extended key sequence */
#define KBR_RESEND      0xFE    /* needs resend of command */
#define KBR_ACK         0xFA    /* received a valid command */
#define KBR_OVERRUN     0x00    /* flooded */
#define KBR_FAILURE     0xFD    /* diagnostic failure */
#define KBR_BREAK       0xF0    /* break code prefix - sent on key release */
#define KBR_RSTDONE     0xAA    /* reset complete */
#define KBR_ECHO        0xEE    /* echo response */