File: [local] / prex / dev / i386 / pc / kmc.h (download)
Revision 1.1.1.1 (vendor branch), Tue Aug 19 12:46:47 2008 UTC (16 years, 1 month ago) by nbrk
Branch: MAIN, KOHSUKE
CVS Tags: PREX_0_8_BASE, HEAD Changes since 1.1: +0 -0 lines
Initial import of Prex, Portable Real-time Embedded POSIX microkernel system.
I have totally new directions in my development (more focused on real hardware, not virtual one).
Old hacks are available in prex-old module. They will be carefully re-designed and merged soon.
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/*
* Copyright (c) 2005, Kohsuke Ohtani
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _KMC_H
#define _KMC_H
/*
* i8042 Keyboard Mouse Controller definition
*/
/* I/O ports */
#define KMC_DATA 0x60
#define KMC_PORTB 0x61
#define KMC_CMD 0x64
#define KMC_STS 0x64
/* Status */
#define STS_PERR 0x80 /* Parity error */
#define STS_TMO 0x40 /* Timeout */
#define STS_AUXOBF 0x20 /* Mouse OBF */
#define STS_INH 0x10 /* 0: inhibit 1: no-inhibit */
#define STS_SYS 0x04 /* 0: power up 1:Init comp */
#define STS_IBF 0x02 /* Input (to kbd) buffer full */
#define STS_OBF 0x01 /* Output (from kbd) buffer full */
/* Command */
#define CMD_READ_CMD 0x20
#define CMD_WRITE_CMD 0x60
#define CMD_AUX_DIS 0xa7
#define CMD_AUX_EN 0xa8
#define CMD_KBD_DIS 0xad
#define CMD_KBD_EN 0xae
#define CMD_READ_OPORT 0xd0
#define CMD_WRITE_OPORT 0xd1
#define CMD_WRITE_AUX 0xd4
/* Auxillary device command */
#define AUX_ENABLE 0xf4
#define AUX_DISABLE 0xf5
#define AUX_RESET 0xff
/*
* wait_obf: Wait output buffer full
* wait_obe: Wait input buffer empty
* wait_ibf: Wait input buffer full
* wait_ibe: Wait input buffer empty
*/
#define wait_obf() while ((inb(KMC_STS) & STS_OBF) == 0)
#define wait_obe() while (inb(KMC_STS) & STS_OBF)
#define wait_ibf() while ((inb(KMC_STS) & STS_IBF) == 0)
#define wait_ibe() while (inb(KMC_STS) & STS_IBF)
#endif /* !_KMC_H */