1 #ifndef _DRIVERS_PCKBD_H 2 #define _DRIVERS_PCKBD_H 3 4 /* Standard and AT keyboard. (PS/2 MCA implies AT throughout.) */ 5 #define KEYBD 0x60 /* I/O port for keyboard data */ 6 7 /* AT keyboard. */ 8 #define KB_COMMAND 0x64 /* I/O port for commands on AT */ 9 #define KB_STATUS 0x64 /* I/O port for status on AT */ 10 #define KB_ACK 0xFA /* keyboard ack response */ 11 #define KB_AUX_BYTE 0x20 /* Auxiliary Device Output Buffer Full */ 12 #define KB_OUT_FULL 0x01 /* status bit set when keypress char pending */ 13 #define KB_IN_FULL 0x02 /* status bit set when not ready to receive */ 14 #define KBC_RD_RAM_CCB 0x20 /* Read controller command byte */ 15 #define KBC_WR_RAM_CCB 0x60 /* Write controller command byte */ 16 #define KBC_DI_AUX 0xA7 /* Disable Auxiliary Device */ 17 #define KBC_EN_AUX 0xA8 /* Enable Auxiliary Device */ 18 #define KBC_DI_KBD 0xAD /* Disable Keybard Interface */ 19 #define KBC_EN_KBD 0xAE /* Enable Keybard Interface */ 20 #define LED_CODE 0xED /* command to keyboard to set LEDs */ 21 22 #define KBC_WAIT_TIME 100000 /* wait this many usecs for a status update */ 23 #define KBC_READ_TIME 1000000 /* wait this many usecs for a result byte */ 24 25 #define KBC_IN_DELAY 7 /* wait 7 microseconds when polling */ 26 27 #define KBD_OUT_BUFSZ 16 /* Output buffer for data to the keyboard. */ 28 29 #define KBD_SCAN_CODES 0x80 30 31 #define SCAN_RELEASE 0x80 32 #define SCAN_CTRL 0x1D 33 #define SCAN_NUMLOCK 0x45 34 #define SCAN_EXT0 0xE0 35 #define SCAN_EXT1 0xE1 36 37 #define LED_SCROLL_LOCK 0x01 38 #define LED_NUM_LOCK 0x02 39 #define LED_CAPS_LOCK 0x04 40 41 struct scanmap { 42 unsigned short page; 43 unsigned short code; 44 }; 45 46 extern const struct scanmap scanmap_normal[KBD_SCAN_CODES]; 47 extern const struct scanmap scanmap_escaped[KBD_SCAN_CODES]; 48 49 #endif /* !_DRIVERS_PCKBD_H */ 50