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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.  
  57. #define KEYBOARD_POLL_PAUSE 50000   /* 50ms */
  58.  
  59. /** Initialize kernel console to use framebuffer and keyboard directly. */
  60. void standalone_sparc64_console_init(void)
  61. {
  62.     stdin = NULL;
  63.        
  64.     fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height,
  65.         bootinfo.screen.bpp, bootinfo.screen.scanline, true);
  66.  
  67. #ifdef KBD_ADDR_OVRD
  68.     if (!bootinfo.keyboard.addr)
  69.         bootinfo.keyboard.addr = KBD_ADDR_OVRD;
  70. #endif
  71.  
  72.     if (bootinfo.keyboard.addr)
  73.         kbd_init();
  74. }
  75.  
  76. /** Kernel thread for polling keyboard.
  77.  *
  78.  * @param arg Ignored.
  79.  */
  80. void kkbdpoll(void *arg)
  81. {
  82.     if (!bootinfo.keyboard.addr)
  83.         return;
  84.        
  85.     while (1) {
  86. #ifdef CONFIG_Z8530
  87.         return;
  88. #endif
  89. #ifdef CONFIG_NS16550
  90.         ns16550_poll();
  91. #endif
  92.         thread_usleep(KEYBOARD_POLL_PAUSE);
  93.     }
  94. }
  95.  
  96. /** Acquire console back for kernel
  97.  *
  98.  */
  99. void arch_grab_console(void)
  100. {
  101. #ifdef CONFIG_Z8530
  102.     z8530_grab();
  103. #endif
  104. }
  105.  
  106. /** Return console to userspace
  107.  *
  108.  */
  109. void arch_release_console(void)
  110. {
  111. #ifdef CONFIG_Z8530
  112.     z8530_release();
  113. #endif
  114. }
  115. /** @}
  116.  */
  117.