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  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. #ifndef __sparc64_I8042_H__
  30. #define __sparc64_I8042_H__
  31.  
  32. #include <arch/types.h>
  33.  
  34. #define KBD_PHYS_ADDRESS    0x1fff8904000ULL
  35.  
  36. #define STATUS_REG  4
  37. #define COMMAND_REG 4
  38. #define DATA_REG    6
  39.  
  40. #define LAST_REG    DATA_REG
  41.  
  42. extern volatile __u8 *kbd_virt_address;
  43.  
  44. static inline void i8042_data_write(__u8 data)
  45. {
  46.     kbd_virt_address[DATA_REG] = data;
  47. }
  48.  
  49. static inline __u8 i8042_data_read(void)
  50. {
  51.     return kbd_virt_address[DATA_REG];
  52. }
  53.  
  54. static inline __u8 i8042_status_read(void)
  55. {
  56.     return kbd_virt_address[STATUS_REG];
  57. }
  58.  
  59. static inline void i8042_command_write(__u8 command)
  60. {
  61.     kbd_virt_address[COMMAND_REG] = command;
  62. }
  63.  
  64. extern void kbd_init(void);
  65.  
  66. #endif
  67.