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/*
* Copyright (c) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup sparc64
* @{
*/
/** @file
*/
#include <arch/console.h>
#include <arch/types.h>
#include <arch/drivers/scr.h>
#include <arch/drivers/kbd.h>
#include <arch/drivers/sgcn.h>
#include <genarch/srln/srln.h>
#include <console/chardev.h>
#include <console/console.h>
#include <arch/asm.h>
#include <arch/register.h>
#include <proc/thread.h>
#include <arch/mm/tlb.h>
#include <genarch/ofw/ofw_tree.h>
#include <arch.h>
#include <panic.h>
#include <string.h>
#include <print.h>
#define KEYBOARD_POLL_PAUSE 50000 /* 50ms */
/**
* Initialize kernel console to use framebuffer and keyboard directly.
* Called on UltraSPARC machines with standard keyboard and framebuffer.
*
* @param aliases the "/aliases" OBP node
*/
static void standard_console_init(ofw_tree_node_t *aliases)
{
#ifdef CONFIG_FB
ofw_tree_property_t *prop_scr = ofw_tree_getprop(aliases, "screen");
if (!prop_scr)
panic("Cannot find property 'screen'.");
if (!prop_scr->value)
panic("Cannot find screen alias.");
ofw_tree_node_t *screen = ofw_tree_lookup(prop_scr->value);
if (!screen)
panic("Cannot find %s.", prop_scr->value);
scr_init(screen);
#endif
#ifdef CONFIG_SUN_KBD
ofw_tree_property_t *prop_kbd = ofw_tree_getprop(aliases, "keyboard");
if (!prop_kbd)
panic("Cannot find property 'keyboard'.");
if (!prop_kbd->value)
panic("Cannot find keyboard alias.");
ofw_tree_node_t *keyboard = ofw_tree_lookup(prop_kbd->value);
if (!keyboard)
panic("Cannot find %s.", prop_kbd->value);
kbd_init(keyboard);
#endif
}
/** Initilize I/O on the Serengeti machine. */
static void serengeti_init(void)
{
#ifdef CONFIG_SGCN_KBD
indev_t *kbrdin;
kbrdin = sgcnin_init();
if (kbrdin)
srln_init(kbrdin);
#endif
#ifdef CONFIG_SGCN_PRN
sgcnout_init();
#endif
}
/**
* Initialize input/output. Auto-detects the type of machine
* and calls the appropriate I/O init routine.
*/
void standalone_sparc64_console_init(void)
{
ofw_tree_node_t *aliases;
ofw_tree_property_t *prop;
aliases = ofw_tree_lookup("/aliases");
if (!aliases)
panic("Cannot find '/aliases'.");
/* "def-cn" = "default console" */
prop = ofw_tree_getprop(aliases, "def-cn");
if ((!prop) || (!prop->value) || (str_cmp(prop->value, "/sgcn") != 0)) {
standard_console_init(aliases);
} else {
serengeti_init();
}
}
/** Acquire console back for kernel
*
*/
void arch_grab_console(void)
{
#ifdef CONFIG_FB
scr_redraw();
#endif
#ifdef CONFIG_SGCN_KBD
sgcn_grab();
#endif
}
/** Return console to userspace
*
*/
void arch_release_console(void)
{
#ifdef CONFIG_SGCN_KBD
sgcn_release();
#endif
}
/** @}
*/