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  1. /*
  2.  * Copyright (c) 2006 Josef Cejka
  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. /** @addtogroup kbdamd64 amd64
  30.  * @brief   HelenOS ia32 / amd64 arch dependent parts of uspace keyboard and mouse handler.
  31.  * @ingroup  kbd
  32.  * @{
  33.  */
  34.  
  35. /** @file
  36.  * @ingroup kbdia32
  37.  */
  38.  
  39. #ifndef KBD_PORT_i8042_H_
  40. #define KBD_PORT_i8042_H_
  41.  
  42. #include <ddi.h>
  43. #include <libarch/ddi.h>
  44.  
  45. #define i8042_DATA      0x60
  46. #define i8042_STATUS    0X64
  47.  
  48.  
  49. typedef unsigned char u8;
  50. typedef short u16;
  51.  
  52. static inline void i8042_data_write(u8 data)
  53. {
  54.     outb(i8042_DATA, data);
  55. }
  56.  
  57. static inline u8 i8042_data_read(void)
  58. {
  59.     return inb(i8042_DATA);
  60. }
  61.  
  62. static inline u8 i8042_status_read(void)
  63. {
  64.     return inb(i8042_STATUS);
  65. }
  66.  
  67. static inline void i8042_command_write(u8 command)
  68. {
  69.     outb(i8042_STATUS, command);
  70. }
  71.  
  72. #endif
  73.  
  74. /**
  75.  * @}
  76.  */
  77.