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/*
* Keyboard controller definitions.
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#ifndef __LINUX_KBDCTRLR_H
#define __LINUX_KBDCTRLR_H
/*
* keyboard controller registers
*/
#define KBD_STATUS_REG (unsigned int) 0x64
#define KBD_CNTL_REG (unsigned int) 0x64
#define KBD_DATA_REG (unsigned int) 0x60
/*
* controller commands
*/
#define KBD_READ_MODE (unsigned int) 0x20
#define KBD_WRITE_MODE (unsigned int) 0x60
#define KBD_SELF_TEST (unsigned int) 0xAA
#define KBD_SELF_TEST2 (unsigned int) 0xAB
#define KBD_CNTL_ENABLE (unsigned int) 0xAE
/*
* keyboard commands
*/
#define KBD_ENABLE (unsigned int) 0xF4
#define KBD_DISABLE (unsigned int) 0xF5
#define KBD_RESET (unsigned int) 0xFF
/*
* keyboard replies
*/
#define KBD_ACK (unsigned int) 0xFA
#define KBD_POR (unsigned int) 0xAA
/*
* status register bits
*/
#define KBD_OBF (unsigned int) 0x01
#define KBD_IBF (unsigned int) 0x02
#define KBD_GTO (unsigned int) 0x40
#define KBD_PERR (unsigned int) 0x80
/*
* keyboard controller mode register bits
*/
#define KBD_EKI (unsigned int) 0x01
#define KBD_SYS (unsigned int) 0x04
#define KBD_DMS (unsigned int) 0x20
#define KBD_KCC (unsigned int) 0x40
/*
* Had to increase this value - the speed ratio host cpu/keyboard
* processor on some MIPS machines make the controller initialization
* fail otherwise. -- Ralf
*/
#define TIMEOUT_CONST 1000000
/*
* These will be the new keyboard controller access macros. I don't use
* them yet since I want to talk about some details with Linus first.
*/
#define kbd_read_control() kbd_inb_p(0x64)
#define kbd_read_status() kbd_inb_p(0x64)
#define kbd_read_data() kbd_inb_p(0x60)
#define kbd_write_data() kbd_inb_p(0x60)
#endif /* __LINUX_KBDCTRLR_H */
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