minix3/drivers/hid/pckbd/pckbd.h

50 lines
1.7 KiB
C
Raw Normal View History

2020-02-21 00:59:27 +05:30
#ifndef _DRIVERS_PCKBD_H
#define _DRIVERS_PCKBD_H
/* Standard and AT keyboard. (PS/2 MCA implies AT throughout.) */
#define KEYBD 0x60 /* I/O port for keyboard data */
/* AT keyboard. */
#define KB_COMMAND 0x64 /* I/O port for commands on AT */
#define KB_STATUS 0x64 /* I/O port for status on AT */
#define KB_ACK 0xFA /* keyboard ack response */
#define KB_AUX_BYTE 0x20 /* Auxiliary Device Output Buffer Full */
#define KB_OUT_FULL 0x01 /* status bit set when keypress char pending */
#define KB_IN_FULL 0x02 /* status bit set when not ready to receive */
#define KBC_RD_RAM_CCB 0x20 /* Read controller command byte */
#define KBC_WR_RAM_CCB 0x60 /* Write controller command byte */
#define KBC_DI_AUX 0xA7 /* Disable Auxiliary Device */
#define KBC_EN_AUX 0xA8 /* Enable Auxiliary Device */
#define KBC_DI_KBD 0xAD /* Disable Keybard Interface */
#define KBC_EN_KBD 0xAE /* Enable Keybard Interface */
#define LED_CODE 0xED /* command to keyboard to set LEDs */
#define KBC_WAIT_TIME 100000 /* wait this many usecs for a status update */
#define KBC_READ_TIME 1000000 /* wait this many usecs for a result byte */
#define KBC_IN_DELAY 7 /* wait 7 microseconds when polling */
#define KBD_OUT_BUFSZ 16 /* Output buffer for data to the keyboard. */
#define KBD_SCAN_CODES 0x80
#define SCAN_RELEASE 0x80
#define SCAN_CTRL 0x1D
#define SCAN_NUMLOCK 0x45
#define SCAN_EXT0 0xE0
#define SCAN_EXT1 0xE1
#define LED_SCROLL_LOCK 0x01
#define LED_NUM_LOCK 0x02
#define LED_CAPS_LOCK 0x04
struct scanmap {
unsigned short page;
unsigned short code;
};
extern const struct scanmap scanmap_normal[KBD_SCAN_CODES];
extern const struct scanmap scanmap_escaped[KBD_SCAN_CODES];
#endif /* !_DRIVERS_PCKBD_H */