Rev 1702 | Go to most recent revision | Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 894 | jermar | 1 | /* |
| 2 | * Copyright (C) 2006 Jakub Jermar |
||
| 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 | * |
||
| 9 | * - Redistributions of source code must retain the above copyright |
||
| 10 | * notice, this list of conditions and the following disclaimer. |
||
| 11 | * - Redistributions in binary form must reproduce the above copyright |
||
| 12 | * notice, this list of conditions and the following disclaimer in the |
||
| 13 | * documentation and/or other materials provided with the distribution. |
||
| 14 | * - The name of the author may not be used to endorse or promote products |
||
| 15 | * derived from this software without specific prior written permission. |
||
| 16 | * |
||
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
||
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
||
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
||
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
| 27 | */ |
||
| 28 | |||
| 29 | /** |
||
| 30 | * This file implements ia32 specific access to i8042 registers. |
||
| 31 | */ |
||
| 32 | |||
| 33 | #ifndef __ia32_I8042_H__ |
||
| 34 | #define __ia32_I8042_H__ |
||
| 35 | |||
| 36 | #include <arch/asm.h> |
||
| 37 | #include <arch/types.h> |
||
| 38 | |||
| 39 | #define i8042_DATA 0x60 |
||
| 40 | #define i8042_STATUS 0x64 |
||
| 41 | |||
| 42 | static inline void i8042_data_write(__u8 data) |
||
| 43 | { |
||
| 44 | outb(i8042_DATA, data); |
||
| 45 | } |
||
| 46 | |||
| 47 | static inline __u8 i8042_data_read(void) |
||
| 48 | { |
||
| 49 | return inb(i8042_DATA); |
||
| 50 | } |
||
| 51 | |||
| 52 | static inline __u8 i8042_status_read(void) |
||
| 53 | { |
||
| 54 | return inb(i8042_STATUS); |
||
| 55 | } |
||
| 56 | |||
| 57 | static inline void i8042_command_write(__u8 command) |
||
| 58 | { |
||
| 59 | outb(i8042_STATUS, command); |
||
| 60 | } |
||
| 61 | |||
| 62 | #endif |