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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 <arch/sgcn.h>
  39. #include <arch/niagara.h>
  40. #include <ipc/ipc.h>
  41. #include <sysinfo.h>
  42. #include <kbd.h>
  43. #include <keys.h>
  44. #include <stdio.h>
  45. #include <sys/types.h>
  46. #include <genarch/kbd.h>
  47.  
  48. #define KBD_KEY_RELEASE     0x80
  49. #define KBD_ALL_KEYS_UP     0x7f
  50.  
  51. /** Top-half pseudocode for z8530. */
  52. irq_cmd_t z8530_cmds[] = {
  53.     {
  54.         CMD_MEM_READ_1,
  55.         0,          /**< Address. Will be patched in run-time. */
  56.         0,          /**< Value. Not used. */
  57.         1           /**< Arg 1 will contain the result. */
  58.     }
  59. };
  60.    
  61. irq_code_t z8530_kbd = {
  62.     1,
  63.     z8530_cmds
  64. };
  65.  
  66. /** Top-half pseudocode for ns16550. */
  67. irq_cmd_t ns16550_cmds[] = {
  68.     {
  69.         CMD_MEM_READ_1,
  70.         0,          /**< Address. Will be patched in run-time. */
  71.         0,          /**< Value. Not used. */
  72.         1           /**< Arg 1 will contain the result. */
  73.     }
  74. };
  75.    
  76. irq_code_t ns16550_kbd = {
  77.     1,
  78.     ns16550_cmds
  79. };
  80.  
  81. /** Top-half pseudocode for Niagara keyboard driver. */
  82. irq_cmd_t niagara_cmds[] = {
  83.     {
  84.         CMD_NIAGARA_GETCHAR,
  85.         0,          /**< Address. Not used. */
  86.         0,          /**< Value. Not used. */
  87.         1           /**< Arg 1 will contain the result. */
  88.     }
  89. };
  90.    
  91. irq_code_t niagara_kbd = {
  92.     1,
  93.     niagara_cmds
  94. };
  95.  
  96. #define KBD_Z8530   1
  97. #define KBD_NS16550 2
  98. #define KBD_SGCN    3
  99. #define KBD_SUN4V   4
  100.  
  101. int kbd_arch_init(void)
  102. {
  103.     int type = sysinfo_value("kbd.type");
  104.     switch (type) {
  105.     case KBD_Z8530:
  106.         z8530_cmds[0].addr = (void *) sysinfo_value("kbd.address.virtual") + 6;
  107.         ipc_register_irq(sysinfo_value("kbd.inr"), sysinfo_value("kbd.devno"), 0, &z8530_kbd);
  108.         break;
  109.     case KBD_NS16550:
  110.         ns16550_cmds[0].addr = (void *) sysinfo_value("kbd.address.virtual");
  111.         ipc_register_irq(sysinfo_value("kbd.inr"), sysinfo_value("kbd.devno"), 0, &ns16550_kbd);
  112.         break;
  113.     case KBD_SGCN:
  114.         sgcn_init();
  115.         break;
  116.     case KBD_SUN4V:
  117.         ipc_register_irq(sysinfo_value("kbd.inr"), sysinfo_value("kbd.devno"), 0, &niagara_kbd);
  118.         break;
  119.     default:
  120.         break;
  121.     }
  122.  
  123.     return 0;
  124. }
  125.  
  126. /** Process keyboard events */
  127. int kbd_arch_process(keybuffer_t *keybuffer, ipc_call_t *call)
  128. {
  129.     if (sysinfo_value("kbd.type") == KBD_SGCN) {
  130.         sgcn_key_pressed();
  131.         return 1;
  132.     } else if (sysinfo_value("kbd.type") == KBD_SUN4V) {
  133.         char c = IPC_GET_ARG1(*call);
  134.         niagara_key_pressed(c);
  135.         return 1;
  136.     }
  137.    
  138.     int scan_code = IPC_GET_ARG1(*call);
  139.  
  140.     if (scan_code == KBD_ALL_KEYS_UP)
  141.         return 1;
  142.        
  143.     if (scan_code & KBD_KEY_RELEASE)
  144.         key_released(keybuffer, scan_code ^ KBD_KEY_RELEASE);
  145.     else
  146.         key_pressed(keybuffer, scan_code);
  147.  
  148.     return 1;
  149. }
  150.  
  151. /** @}
  152.  */
  153.