| Line 1... |
Line 1... |
/* ps2kbd.h -- Very simple PS/2 keyboard simulation header file
|
/* ps2kbd.h -- Very simple PS/2 keyboard simulation header file
|
|
|
Copyright (C) 2002 Marko Mlinar, markom@opencores.org
|
Copyright (C) 2002 Marko Mlinar, markom@opencores.org
|
|
Copyright (C) 2008 Embecosm Limited
|
|
|
|
Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
|
|
|
|
This file is part of Or1ksim, the OpenRISC 1000 Architectural Simulator.
|
|
|
|
This program is free software; you can redistribute it and/or modify it
|
|
under the terms of the GNU General Public License as published by the Free
|
|
Software Foundation; either version 3 of the License, or (at your option)
|
|
any later version.
|
|
|
|
This program is distributed in the hope that it will be useful, but WITHOUT
|
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
more details.
|
|
|
|
You should have received a copy of the GNU General Public License along
|
|
with this program. If not, see <http://www.gnu.org/licenses/>. */
|
|
|
This file is part of OpenRISC 1000 Architectural Simulator.
|
/* This program is commented throughout in a fashion suitable for processing
|
|
with Doxygen. */
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
|
|
|
#ifndef _PS2KBD_H_
|
|
#define _PS2KBD_H_
|
|
|
|
/* Device registers */
|
|
#define KBD_CTRL 4
|
|
#define KBD_DATA 0
|
|
#define KBD_SPACE 8
|
|
|
|
/* 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
|
|
|
|
/* Length of internal scan code fifo */
|
#ifndef PS2KBD__H
|
#define KBD_MAX_BUF 0x100
|
#define PS2KBD__H
|
|
|
/* Keyboard is checked every KBD_SLOWDOWN cycle */
|
/* Prototypes for external use */
|
#define KBD_BAUD_RATE 1200
|
void reg_kbd_sec ();
|
|
|
#endif /* !_PS2KBD_H_ */
|
#endif /* PS2KBD__H */
|
|
|
No newline at end of file
|
No newline at end of file
|
