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  1. /*
  2.  * Copyright (C) 2006 Martin Decky
  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 kbdsparc64 sparc64
  30.  * @brief   HelenOS sparc64 arch dependent parts of uspace keyboard handler.
  31.  * @ingroup  kbd
  32.  * @{
  33.  */
  34. /** @file
  35.  */
  36.  
  37. #include <arch/kbd.h>
  38. #include <ipc/ipc.h>
  39. #include <sysinfo.h>
  40. #include <kbd.h>
  41. #include <keys.h>
  42. #include <stdio.h>
  43. #include <types.h>
  44. #include <genarch/kbd.h>
  45.  
  46. #define KBD_KEY_RELEASE     0x80
  47. #define KBD_ALL_KEYS_UP     0x7f
  48.  
  49. /** Top-half pseudocode for z8530. */
  50. irq_cmd_t z8530_cmds[] = {
  51.     {
  52.         CMD_MEM_READ_1,
  53.         0,          /**< Address. Will be patched in run-time. */
  54.         0,          /**< Value. Not used. */
  55.         1           /**< Arg 1 will contain the result. */
  56.     }
  57. };
  58.    
  59. irq_code_t z8530_kbd = {
  60.     1,
  61.     z8530_cmds
  62. };
  63.  
  64. /** Top-half pseudocode for ns16550. */
  65. irq_cmd_t ns16550_cmds[] = {
  66.     {
  67.         CMD_MEM_READ_1,
  68.         0,          /**< Address. Will be patched in run-time. */
  69.         0,          /**< Value. Not used. */
  70.         1           /**< Arg 1 will contain the result. */
  71.     }
  72. };
  73.    
  74. irq_code_t ns16550_kbd = {
  75.     1,
  76.     ns16550_cmds
  77. };
  78.  
  79. #define KBD_Z8530   1
  80. #define KBD_NS16550 2
  81.  
  82. int kbd_arch_init(void)
  83. {
  84.     int type = sysinfo_value("kbd.type");
  85.     switch (type) {
  86.     case KBD_Z8530:
  87.         z8530_cmds[0].addr = (void *) sysinfo_value("kbd.address.virtual") + 6;
  88.         ipc_register_irq(sysinfo_value("kbd.inr"), sysinfo_value("kbd.devno"), 0, &z8530_kbd);
  89.         break;
  90.     case KBD_NS16550:
  91.         ns16550_cmds[0].addr = (void *) sysinfo_value("kbd.address.virtual");
  92.         ipc_register_irq(sysinfo_value("kbd.inr"), sysinfo_value("kbd.devno"), 0, &ns16550_kbd);
  93.         break;
  94.     default:
  95.         break;
  96.     }
  97.     return 0;
  98. }
  99.  
  100. /** Process keyboard events */
  101. int kbd_arch_process(keybuffer_t *keybuffer, ipc_call_t *call)
  102. {
  103.     int scan_code = IPC_GET_ARG1(*call);
  104.  
  105.     if (scan_code == KBD_ALL_KEYS_UP)
  106.         return 1;
  107.        
  108.     if (scan_code & KBD_KEY_RELEASE)
  109.         key_released(keybuffer, scan_code ^ KBD_KEY_RELEASE);
  110.     else
  111.         key_pressed(keybuffer, scan_code);
  112.  
  113.     return 1;
  114. }
  115.  
  116. /** @}
  117.  */
  118.