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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. #include <typedefs.h>
  38.  
  39. #include <arch/drivers/scr.h>
  40. #include <arch/drivers/kbd.h>
  41.  
  42. #ifdef CONFIG_Z8530
  43. #include <genarch/kbd/z8530.h>
  44. #endif
  45. #ifdef CONFIG_NS16550
  46. #include <genarch/kbd/ns16550.h>
  47. #endif
  48.  
  49. #include <console/chardev.h>
  50. #include <console/console.h>
  51. #include <arch/asm.h>
  52. #include <arch/register.h>
  53. #include <proc/thread.h>
  54. #include <arch/mm/tlb.h>
  55. #include <genarch/ofw/ofw_tree.h>
  56. #include <arch.h>
  57. #include <panic.h>
  58. #include <print.h>
  59.  
  60. #define KEYBOARD_POLL_PAUSE 50000   /* 50ms */
  61.  
  62. /** Initialize kernel console to use framebuffer and keyboard directly. */
  63. void standalone_sparc64_console_init(void)
  64. {
  65.     stdin = NULL;
  66.  
  67.     ofw_tree_node_t *aliases;
  68.     ofw_tree_property_t *prop;
  69.     ofw_tree_node_t *screen;
  70.     ofw_tree_node_t *keyboard;
  71.    
  72.     aliases = ofw_tree_lookup("/aliases");
  73.     if (!aliases)
  74.         panic("Can't find /aliases.\n");
  75.    
  76.     prop = ofw_tree_getprop(aliases, "screen");
  77.     if (!prop)
  78.         panic("Can't find property \"screen\".\n");
  79.     if (!prop->value)
  80.         panic("Can't find screen alias.\n");
  81.     screen = ofw_tree_lookup(prop->value);
  82.     if (!screen)
  83.         panic("Can't find %s\n", prop->value);
  84.  
  85.     scr_init(screen);
  86.  
  87.     prop = ofw_tree_getprop(aliases, "keyboard");
  88.     if (!prop)
  89.         panic("Can't find property \"keyboard\".\n");
  90.     if (!prop->value)
  91.         panic("Can't find keyboard alias.\n");
  92.     keyboard = ofw_tree_lookup(prop->value);
  93.     if (!keyboard)
  94.         panic("Can't find %s\n", prop->value);
  95.  
  96.     kbd_init(keyboard);
  97. }
  98.  
  99. /** Kernel thread for polling keyboard.
  100.  *
  101.  * @param arg Ignored.
  102.  */
  103. void kkbdpoll(void *arg)
  104. {
  105.     thread_detach(THREAD);
  106.  
  107. #ifdef CONFIG_Z8530
  108.     if (kbd_type == KBD_Z8530) {
  109.         /*
  110.          * The z8530 driver is interrupt-driven.
  111.          */
  112.         return;
  113.     }
  114. #endif
  115.  
  116.     while (1) {
  117. #ifdef CONFIG_NS16550
  118.         if (kbd_type == KBD_NS16550)
  119.             ns16550_poll();
  120. #endif
  121.         thread_usleep(KEYBOARD_POLL_PAUSE);
  122.     }
  123. }
  124.  
  125. /** Acquire console back for kernel
  126.  *
  127.  */
  128. void arch_grab_console(void)
  129. {
  130.     switch (kbd_type) {
  131. #ifdef CONFIG_Z8530
  132.     case KBD_Z8530:
  133.         z8530_grab();
  134.         break;
  135. #endif
  136. #ifdef CONFIG_NS16550
  137.     case KBD_NS16550:
  138.         ns16550_grab();
  139.         break;
  140. #endif
  141.     default:
  142.         break;
  143.     }
  144. }
  145.  
  146. /** Return console to userspace
  147.  *
  148.  */
  149. void arch_release_console(void)
  150. {
  151.     switch (kbd_type) {
  152. #ifdef CONFIG_Z8530
  153.     case KBD_Z8530:
  154.         z8530_release();
  155.         break;
  156. #endif
  157. #ifdef CONFIG_NS16550
  158.     case KBD_NS16550:
  159.         ns16550_release();
  160.         break;
  161. #endif
  162.     default:
  163.         break;
  164.     }
  165. }
  166.  
  167. /** @}
  168.  */
  169.