Subversion Repositories HelenOS

Rev

Rev 2927 | Go to most recent revision | Blame | Last modification | View Log | Download | RSS feed

  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 <arch/sgcn.h>
  39. #include <ipc/ipc.h>
  40. #include <sysinfo.h>
  41. #include <kbd.h>
  42. #include <keys.h>
  43. #include <stdio.h>
  44. #include <sys/types.h>
  45. #include <genarch/kbd.h>
  46.  
  47. #define KBD_KEY_RELEASE     0x80
  48. #define KBD_ALL_KEYS_UP     0x7f
  49.  
  50. /** Top-half pseudocode for z8530. */
  51. irq_cmd_t z8530_cmds[] = {
  52.     {
  53.         CMD_MEM_READ_1,
  54.         0,          /**< Address. Will be patched in run-time. */
  55.         0,          /**< Value. Not used. */
  56.         1           /**< Arg 1 will contain the result. */
  57.     }
  58. };
  59.    
  60. irq_code_t z8530_kbd = {
  61.     1,
  62.     z8530_cmds
  63. };
  64.  
  65. /** Top-half pseudocode for ns16550. */
  66. irq_cmd_t ns16550_cmds[] = {
  67.     {
  68.         CMD_MEM_READ_1,
  69.         0,          /**< Address. Will be patched in run-time. */
  70.         0,          /**< Value. Not used. */
  71.         1           /**< Arg 1 will contain the result. */
  72.     }
  73. };
  74.    
  75. irq_code_t ns16550_kbd = {
  76.     1,
  77.     ns16550_cmds
  78. };
  79.  
  80. #define KBD_Z8530   1
  81. #define KBD_NS16550 2
  82. #define KBD_SGCN    3
  83.  
  84. int kbd_arch_init(void)
  85. {
  86.     int type = sysinfo_value("kbd.type");
  87.     switch (type) {
  88.     case KBD_Z8530:
  89.         z8530_cmds[0].addr = (void *) sysinfo_value("kbd.address.virtual") + 6;
  90.         ipc_register_irq(sysinfo_value("kbd.inr"), sysinfo_value("kbd.devno"), 0, &z8530_kbd);
  91.         break;
  92.     case KBD_NS16550:
  93.         ns16550_cmds[0].addr = (void *) sysinfo_value("kbd.address.virtual");
  94.         ipc_register_irq(sysinfo_value("kbd.inr"), sysinfo_value("kbd.devno"), 0, &ns16550_kbd);
  95.         break;
  96.     case KBD_SGCN:
  97.         sgcn_init();
  98.         break;
  99.     default:
  100.         break;
  101.     }
  102.     return 0;
  103. }
  104.  
  105. /** Process keyboard events */
  106. int kbd_arch_process(keybuffer_t *keybuffer, ipc_call_t *call)
  107. {
  108.     if (sysinfo_value("kbd.type") == KBD_SGCN) {
  109.         sgcn_key_pressed();
  110.         return 1;
  111.     }
  112.    
  113.     int scan_code = IPC_GET_ARG1(*call);
  114.  
  115.     if (scan_code == KBD_ALL_KEYS_UP)
  116.         return 1;
  117.        
  118.     if (scan_code & KBD_KEY_RELEASE)
  119.         key_released(keybuffer, scan_code ^ KBD_KEY_RELEASE);
  120.     else
  121.         key_pressed(keybuffer, scan_code);
  122.  
  123.     return 1;
  124. }
  125.  
  126. /** @}
  127.  */
  128.