jos/inc/kbdreg.h
Anish Athalye 1a83673424 Lab 1
2018-08-30 15:17:20 -04:00

84 lines
3.3 KiB
C

#ifndef JOS_KBDREG_H
#define JOS_KBDREG_H
// Special keycodes
#define KEY_HOME 0xE0
#define KEY_END 0xE1
#define KEY_UP 0xE2
#define KEY_DN 0xE3
#define KEY_LF 0xE4
#define KEY_RT 0xE5
#define KEY_PGUP 0xE6
#define KEY_PGDN 0xE7
#define KEY_INS 0xE8
#define KEY_DEL 0xE9
/* This is i8042reg.h + kbdreg.h from NetBSD. */
#define KBSTATP 0x64 /* kbd controller status port(I) */
#define KBS_DIB 0x01 /* kbd data in buffer */
#define KBS_IBF 0x02 /* kbd input buffer low */
#define KBS_WARM 0x04 /* kbd input buffer low */
#define KBS_OCMD 0x08 /* kbd output buffer has command */
#define KBS_NOSEC 0x10 /* kbd security lock not engaged */
#define KBS_TERR 0x20 /* kbd transmission error or from mouse */
#define KBS_RERR 0x40 /* kbd receive error */
#define KBS_PERR 0x80 /* kbd parity error */
#define KBCMDP 0x64 /* kbd controller port(O) */
#define KBC_RAMREAD 0x20 /* read from RAM */
#define KBC_RAMWRITE 0x60 /* write to RAM */
#define KBC_AUXDISABLE 0xa7 /* disable auxiliary port */
#define KBC_AUXENABLE 0xa8 /* enable auxiliary port */
#define KBC_AUXTEST 0xa9 /* test auxiliary port */
#define KBC_KBDECHO 0xd2 /* echo to keyboard port */
#define KBC_AUXECHO 0xd3 /* echo to auxiliary port */
#define KBC_AUXWRITE 0xd4 /* write to auxiliary port */
#define KBC_SELFTEST 0xaa /* start self-test */
#define KBC_KBDTEST 0xab /* test keyboard port */
#define KBC_KBDDISABLE 0xad /* disable keyboard port */
#define KBC_KBDENABLE 0xae /* enable keyboard port */
#define KBC_PULSE0 0xfe /* pulse output bit 0 */
#define KBC_PULSE1 0xfd /* pulse output bit 1 */
#define KBC_PULSE2 0xfb /* pulse output bit 2 */
#define KBC_PULSE3 0xf7 /* pulse output bit 3 */
#define KBDATAP 0x60 /* kbd data port(I) */
#define KBOUTP 0x60 /* kbd data port(O) */
#define K_RDCMDBYTE 0x20
#define K_LDCMDBYTE 0x60
#define KC8_TRANS 0x40 /* convert to old scan codes */
#define KC8_MDISABLE 0x20 /* disable mouse */
#define KC8_KDISABLE 0x10 /* disable keyboard */
#define KC8_IGNSEC 0x08 /* ignore security lock */
#define KC8_CPU 0x04 /* exit from protected mode reset */
#define KC8_MENABLE 0x02 /* enable mouse interrupt */
#define KC8_KENABLE 0x01 /* enable keyboard interrupt */
#define CMDBYTE (KC8_TRANS|KC8_CPU|KC8_MENABLE|KC8_KENABLE)
/* 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_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_EXTENDED 0xE0 /* 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 /* diagnosic failure */
#define KBR_BREAK 0xF0 /* break code prefix - sent on key release */
#define KBR_RSTDONE 0xAA /* reset complete */
#define KBR_ECHO 0xEE /* echo response */
#endif /* !JOS_KBDREG_H */