Return to kmc.h CVS log

Up to [local] / prex-old / dev / i386 / pc

Annotation of prex-old/dev/i386/pc/kmc.h, Revision 1.1.1.1

1.1       nbrk        1: /*
                      2:  * Copyright (c) 2005, Kohsuke Ohtani
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms, with or without
                      6:  * modification, are permitted provided that the following conditions
                      7:  * are met:
                      8:  * 1. Redistributions of source code must retain the above copyright
                      9:  *    notice, this list of conditions and the following disclaimer.
                     10:  * 2. Redistributions in binary form must reproduce the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer in the
                     12:  *    documentation and/or other materials provided with the distribution.
                     13:  * 3. Neither the name of the author nor the names of any co-contributors
                     14:  *    may be used to endorse or promote products derived from this software
                     15:  *    without specific prior written permission.
                     16:  *
                     17:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     18:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     19:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     20:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     21:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     22:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     23:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     24:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     25:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     26:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     27:  * SUCH DAMAGE.
                     28:  */
                     29:
                     30: #ifndef _KMC_H
                     31: #define _KMC_H
                     32: /*
                     33:  * i8042 Keyboard Mouse Controller definition
                     34:  */
                     35:
                     36: /* I/O ports */
                     37: #define KMC_DATA       0x60
                     38: #define KMC_PORTB      0x61
                     39: #define KMC_CMD                0x64
                     40: #define KMC_STS                0x64
                     41:
                     42: /* Status */
                     43: #define STS_PERR       0x80    /* Parity error */
                     44: #define STS_TMO                0x40    /* Timeout */
                     45: #define STS_AUXOBF     0x20    /* Mouse OBF */
                     46: #define STS_INH                0x10    /* 0: inhibit  1: no-inhibit */
                     47: #define STS_SYS                0x04    /* 0: power up  1:Init comp */
                     48: #define STS_IBF                0x02    /* Input (to kbd) buffer full */
                     49: #define STS_OBF                0x01    /* Output (from kbd) buffer full */
                     50:
                     51: /* Command */
                     52: #define CMD_READ_CMD   0x20
                     53: #define CMD_WRITE_CMD  0x60
                     54: #define CMD_AUX_DIS    0xa7
                     55: #define CMD_AUX_EN     0xa8
                     56: #define CMD_KBD_DIS    0xad
                     57: #define CMD_KBD_EN     0xae
                     58: #define CMD_READ_OPORT 0xd0
                     59: #define CMD_WRITE_OPORT        0xd1
                     60: #define CMD_WRITE_AUX  0xd4
                     61:
                     62: /* Auxillary device command */
                     63: #define AUX_ENABLE     0xf4
                     64: #define AUX_DISABLE    0xf5
                     65: #define AUX_RESET      0xff
                     66:
                     67: /*
                     68:  * wait_obf: Wait output buffer full
                     69:  * wait_obe: Wait input buffer empty
                     70:  * wait_ibf: Wait input buffer full
                     71:  * wait_ibe: Wait input buffer empty
                     72:  */
                     73: #define wait_obf()     while ((inb(KMC_STS) & STS_OBF) == 0)
                     74: #define wait_obe()     while (inb(KMC_STS) & STS_OBF)
                     75: #define wait_ibf()     while ((inb(KMC_STS) & STS_IBF) == 0)
                     76: #define wait_ibe()     while (inb(KMC_STS) & STS_IBF)
                     77:
                     78: #endif /* !_KMC_H */