Subversion Repositories HelenOS

Rev

Rev 3343 | Rev 3549 | Go to most recent revision | Blame | Compare with Previous | Last modification | View Log | Download | RSS feed

  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. #ifdef CONFIG_Z8530
  44. #include <genarch/kbd/z8530.h>
  45. #endif
  46. #ifdef CONFIG_NS16550
  47. #include <genarch/kbd/ns16550.h>
  48. #endif
  49.  
  50. #include <console/chardev.h>
  51. #include <console/console.h>
  52. #include <arch/asm.h>
  53. #include <arch/register.h>
  54. #include <proc/thread.h>
  55. #include <arch/mm/tlb.h>
  56. #include <genarch/ofw/ofw_tree.h>
  57. #include <arch.h>
  58. #include <panic.h>
  59. #include <print.h>
  60.  
  61. #define KEYBOARD_POLL_PAUSE 50000   /* 50ms */
  62.  
  63. /** Initialize kernel console to use framebuffer and keyboard directly. */
  64. void standalone_sparc64_console_init(void)
  65. {
  66.     stdin = NULL;
  67.  
  68.     ofw_tree_node_t *aliases;
  69.     ofw_tree_property_t *prop;
  70.     ofw_tree_node_t *screen;
  71.     ofw_tree_node_t *keyboard;
  72.    
  73.     aliases = ofw_tree_lookup("/aliases");
  74.     if (!aliases)
  75.         panic("Can't find /aliases.\n");
  76.    
  77.     prop = ofw_tree_getprop(aliases, "screen");
  78.     if (!prop)
  79.         panic("Can't find property \"screen\".\n");
  80.     if (!prop->value)
  81.         panic("Can't find screen alias.\n");
  82.     screen = ofw_tree_lookup(prop->value);
  83.     if (!screen)
  84.         panic("Can't find %s\n", prop->value);
  85.  
  86.     scr_init(screen);
  87.  
  88.     prop = ofw_tree_getprop(aliases, "keyboard");
  89.     if (!prop)
  90.         panic("Can't find property \"keyboard\".\n");
  91.     if (!prop->value)
  92.         panic("Can't find keyboard alias.\n");
  93.     keyboard = ofw_tree_lookup(prop->value);
  94.     if (!keyboard)
  95.         panic("Can't find %s\n", prop->value);
  96.  
  97.     kbd_init(keyboard);
  98. }
  99.  
  100. /** Kernel thread for polling keyboard.
  101.  *
  102.  * @param arg Ignored.
  103.  */
  104. void kkbdpoll(void *arg)
  105. {
  106.     thread_detach(THREAD);
  107.  
  108. #ifdef CONFIG_Z8530
  109.     if (kbd_type == KBD_Z8530) {
  110.         /*
  111.          * The z8530 driver is interrupt-driven.
  112.          */
  113.         return;
  114.     }
  115. #endif
  116.  
  117.     while (1) {
  118. #ifdef CONFIG_NS16550
  119.         if (kbd_type == KBD_NS16550)
  120.             ns16550_poll();
  121. #endif
  122.         sgcn_poll();
  123.         thread_usleep(KEYBOARD_POLL_PAUSE);
  124.     }
  125. }
  126.  
  127. /** Acquire console back for kernel
  128.  *
  129.  */
  130. void arch_grab_console(void)
  131. {
  132.     switch (kbd_type) {
  133. #ifdef CONFIG_Z8530
  134.     case KBD_Z8530:
  135.         z8530_grab();
  136.         break;
  137. #endif
  138. #ifdef CONFIG_NS16550
  139.     case KBD_NS16550:
  140.         ns16550_grab();
  141.         break;
  142. #endif
  143.     default:
  144.         break;
  145.     }
  146. }
  147.  
  148. /** Return console to userspace
  149.  *
  150.  */
  151. void arch_release_console(void)
  152. {
  153.     switch (kbd_type) {
  154. #ifdef CONFIG_Z8530
  155.     case KBD_Z8530:
  156.         z8530_release();
  157.         break;
  158. #endif
  159. #ifdef CONFIG_NS16550
  160.     case KBD_NS16550:
  161.         ns16550_release();
  162.         break;
  163. #endif
  164.     default:
  165.         break;
  166.     }
  167. }
  168.  
  169. /** @}
  170.  */
  171.