Colony » Colony Scout » Colony Scout OS

/*

 * 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 kmc_wait_obf()        while ((bus_read_8(KMC_STS) & STS_OBF) == 0)

#define kmc_wait_obe()        while (bus_read_8(KMC_STS) & STS_OBF)

#define kmc_wait_ibf()        while ((bus_read_8(KMC_STS) & STS_IBF) == 0)

#define kmc_wait_ibe()        while (bus_read_8(KMC_STS) & STS_IBF)

#endif /* !_KMC_H */