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  1. /*
  2.  * Copyright (c) 2005 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. /** @addtogroup sparc64
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #include <arch/console.h>
  36. #include <arch/types.h>
  37.  
  38. #include <arch/drivers/scr.h>
  39. #include <arch/drivers/kbd.h>
  40.  
  41. #include <arch/drivers/sgcn.h>
  42.  
  43. #if defined (SUN4U)
  44.     #ifdef CONFIG_Z8530
  45.     #include <genarch/kbd/z8530.h>
  46.     #endif
  47.     #ifdef CONFIG_NS16550
  48.     #include <genarch/kbd/ns16550.h>
  49.     #endif
  50. #elif defined (SUN4V)
  51.     #include <arch/drivers/niagara.h>
  52. #endif
  53.  
  54. #include <console/chardev.h>
  55. #include <console/console.h>
  56. #include <arch/asm.h>
  57. #include <arch/register.h>
  58. #include <proc/thread.h>
  59. #include <arch/mm/tlb.h>
  60. #include <genarch/ofw/ofw_tree.h>
  61. #include <arch.h>
  62. #include <panic.h>
  63. #include <func.h>
  64. #include <print.h>
  65.  
  66. #define KEYBOARD_POLL_PAUSE 50000   /* 50ms */
  67.  
  68. /** Kernel thread for polling keyboard.
  69.  *
  70.  * @param arg Ignored.
  71.  */
  72. void kkbdpoll(void *arg)
  73. {
  74.     thread_detach(THREAD);
  75.  
  76. #ifdef CONFIG_Z8530
  77.     if (kbd_type == KBD_Z8530) {
  78.         /*
  79.          * The z8530 driver is interrupt-driven.
  80.          */
  81.         return;
  82.     }
  83. #endif
  84.  
  85. #ifdef CONFIG_NS16550
  86. #ifdef CONFIG_NS16550_INTERRUPT_DRIVEN
  87.     if (kbd_type == KBD_NS16550) {
  88.         /*
  89.          * The ns16550 driver is interrupt-driven.
  90.          */
  91.         return;
  92.     }
  93. #endif
  94. #endif
  95.     while (1) {
  96. #ifdef CONFIG_NS16550
  97. #ifndef CONFIG_NS16550_INTERRUPT_DRIVEN
  98.         if (kbd_type == KBD_NS16550)
  99.             ns16550_poll();
  100. #endif
  101. #endif
  102. #ifdef CONFIG_SGCN
  103.         if (kbd_type == KBD_SGCN)
  104.             sgcn_poll();
  105. #endif
  106. #ifdef SUN4V
  107.         if (kbd_type == KBD_SUN4V)
  108.             niagara_poll();
  109. #endif
  110.         thread_usleep(KEYBOARD_POLL_PAUSE);
  111.     }
  112. }
  113.  
  114.  
  115. /** @}
  116.  */
  117.