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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. #include <genarch/fb/fb.h>
  39. #include <arch/drivers/fb.h>
  40.  
  41. #include <arch/drivers/kbd.h>
  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 <arch/boot/boot.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.     fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height,
  87.         bootinfo.screen.bpp, bootinfo.screen.scanline, true);
  88.    
  89.     prop = ofw_tree_getprop(aliases, "keyboard");
  90.     if (!prop)
  91.         panic("Can't find property \"keyboard\".\n");
  92.     if (!prop->value)
  93.         panic("Can't find keyboard alias.\n");
  94.     keyboard = ofw_tree_lookup(prop->value);
  95.     if (!keyboard)
  96.         panic("Can't find %s\n", prop->value);
  97.  
  98.     kbd_init(keyboard);
  99. }
  100.  
  101. /** Kernel thread for polling keyboard.
  102.  *
  103.  * @param arg Ignored.
  104.  */
  105. void kkbdpoll(void *arg)
  106. {
  107.     thread_detach(THREAD);
  108.  
  109. #ifdef CONFIG_Z8530
  110.     if (kbd_type == KBD_Z8530)
  111.         return;
  112. #endif
  113.  
  114.     while (1) {
  115. #ifdef CONFIG_NS16550
  116.         if (kbd_type == KBD_NS16550)
  117.             ns16550_poll();
  118. #endif
  119.         thread_usleep(KEYBOARD_POLL_PAUSE);
  120.     }
  121. }
  122.  
  123. /** Acquire console back for kernel
  124.  *
  125.  */
  126. void arch_grab_console(void)
  127. {
  128. #ifdef CONFIG_Z8530
  129.     if (kbd_type == KBD_Z8530)
  130.         z8530_grab();
  131. #endif
  132. }
  133.  
  134. /** Return console to userspace
  135.  *
  136.  */
  137. void arch_release_console(void)
  138. {
  139. #ifdef CONFIG_Z8530
  140.     if (kbd_type == KBD_Z8530)
  141.         z8530_release();
  142. #endif
  143. }
  144.  
  145. /** @}
  146.  */
  147.