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Rev | Author | Line No. | Line |
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894 | jermar | 1 | /* |
2071 | jermar | 2 | * Copyright (c) 2006 Jakub Jermar |
894 | jermar | 3 | * All rights reserved. |
4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
1888 | jermar | 29 | /** @addtogroup ia32 |
1702 | cejka | 30 | * @{ |
31 | */ |
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32 | /** @file |
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33 | */ |
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34 | |||
894 | jermar | 35 | /** |
36 | * This file implements ia32 specific access to i8042 registers. |
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37 | */ |
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38 | |||
1888 | jermar | 39 | #ifndef KERN_ia32_I8042_H_ |
40 | #define KERN_ia32_I8042_H_ |
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894 | jermar | 41 | |
42 | #include <arch/asm.h> |
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43 | #include <arch/types.h> |
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44 | |||
45 | #define i8042_DATA 0x60 |
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46 | #define i8042_STATUS 0x64 |
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47 | |||
1780 | jermar | 48 | static inline void i8042_data_write(uint8_t data) |
894 | jermar | 49 | { |
50 | outb(i8042_DATA, data); |
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51 | } |
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52 | |||
1780 | jermar | 53 | static inline uint8_t i8042_data_read(void) |
894 | jermar | 54 | { |
55 | return inb(i8042_DATA); |
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56 | } |
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57 | |||
1780 | jermar | 58 | static inline uint8_t i8042_status_read(void) |
894 | jermar | 59 | { |
60 | return inb(i8042_STATUS); |
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61 | } |
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62 | |||
1780 | jermar | 63 | static inline void i8042_command_write(uint8_t command) |
894 | jermar | 64 | { |
65 | outb(i8042_STATUS, command); |
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66 | } |
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67 | |||
68 | #endif |
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1702 | cejka | 69 | |
1888 | jermar | 70 | /** @} |
1702 | cejka | 71 | */ |