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/* Keyboard commands */

#define KBD_KCMD_RST    0xFF

#define KBD_KCMD_DK     0xF5

#define KBD_KCMD_EK     0xF4

#define KBD_KCMD_ECHO   0xFF

#define KBD_KCMD_SRL    0xED

/* Keyboard responses */

#define KBD_KRESP_RSTOK 0xAA

#define KBD_KRESP_ECHO  0xEE

#define KBD_KRESP_ACK   0xFA

/* Controller commands */

#define KBD_CCMD_RCB    0x20

#define KBD_CCMD_WCB    0x60

#define KBD_CCMD_ST1    0xAA

#define KBD_CCMD_ST2    0xAB

#define KBD_CCMD_DKI    0xAD

#define KBD_CCMD_EKI    0xAE

/* Status register bits */

#define KBD_STATUS_OBF  0x01

#define KBD_STATUS_IBF  0x02

#define KBD_STATUS_SYS  0x04

#define KBD_STATUS_A2   0x08

#define KBD_STATUS_INH  0x10

#define KBD_STATUS_MOBF 0x20

#define KBD_STATUS_TO   0x40

#define KBD_STATUS_PERR 0x80

/* Command byte register bits */

#define KBD_CCMDBYTE_INT        0x01

#define KBD_CCMDBYTE_INT2       0x02

#define KBD_CCMDBYTE_SYS        0x04

#define KBD_CCMDBYTE_EN         0x10

#define KBD_CCMDBYTE_EN2        0x20

#define KBD_CCMDBYTE_XLAT       0x40