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426 jermar 1 
/*
2071 jermar 2 
 * Copyright (c) 2005 Jakub Jermar
426 jermar 3 
 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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1769 jermar 29 
/** @addtogroup sparc64
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 * @{
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 */
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/** @file
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 */
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#include <arch/console.h>
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#include <arch/types.h>
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#include <arch/drivers/scr.h>
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#include <arch/drivers/kbd.h>
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#ifdef CONFIG_Z8530
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#include <genarch/kbd/z8530.h>
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#endif
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#ifdef CONFIG_NS16550
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#include <genarch/kbd/ns16550.h>
1842 jermar 46 
#endif
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893 jermar 48 
#include <console/chardev.h>
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#include <console/console.h>
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#include <arch/asm.h>
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#include <arch/register.h>
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#include <proc/thread.h>
897 jermar 53 
#include <arch/mm/tlb.h>
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#include <genarch/ofw/ofw_tree.h>
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#include <arch.h>
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#include <panic.h>
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#include <print.h>
426 jermar 58 
 
895 jermar 59 
#define KEYBOARD_POLL_PAUSE 50000   /* 50ms */
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893 jermar 61 
/** Initialize kernel console to use framebuffer and keyboard directly. */
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void standalone_sparc64_console_init(void)
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{
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    stdin = NULL;
1896 jermar 65 
 
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    ofw_tree_node_t *aliases;
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    ofw_tree_property_t *prop;
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    ofw_tree_node_t *screen;
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    ofw_tree_node_t *keyboard;
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    aliases = ofw_tree_lookup("/aliases");
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    if (!aliases)
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        panic("Can't find /aliases.\n");
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    prop = ofw_tree_getprop(aliases, "screen");
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    if (!prop)
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        panic("Can't find property \"screen\".\n");
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    if (!prop->value)
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        panic("Can't find screen alias.\n");
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    screen = ofw_tree_lookup(prop->value);
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    if (!screen)
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        panic("Can't find %s\n", prop->value);
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1897 jermar 84 
    scr_init(screen);
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1896 jermar 86 
    prop = ofw_tree_getprop(aliases, "keyboard");
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    if (!prop)
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        panic("Can't find property \"keyboard\".\n");
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    if (!prop->value)
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        panic("Can't find keyboard alias.\n");
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    keyboard = ofw_tree_lookup(prop->value);
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    if (!keyboard)
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        panic("Can't find %s\n", prop->value);
897 jermar 94 
 
1896 jermar 95 
    kbd_init(keyboard);
586 jermar 96 
}
893 jermar 97 
 
895 jermar 98 
/** Kernel thread for polling keyboard.
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 *
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 * @param arg Ignored.
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 */
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void kkbdpoll(void *arg)
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{
1880 jermar 104 
    thread_detach(THREAD);
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1842 jermar 106 
#ifdef CONFIG_Z8530
1931 jermar 107 
    if (kbd_type == KBD_Z8530) {
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        /*
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         * The z8530 driver is interrupt-driven.
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         */
1849 jermar 111 
        return;
1931 jermar 112 
    }
1842 jermar 113 
#endif
1896 jermar 114 
 
115 
    while (1) {
1844 jermar 116 
#ifdef CONFIG_NS16550
1896 jermar 117 
        if (kbd_type == KBD_NS16550)
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            ns16550_poll();
1842 jermar 119 
#endif
895 jermar 120 
        thread_usleep(KEYBOARD_POLL_PAUSE);
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    }
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}
1702 cejka 123 
 
1875 jermar 124 
/** Acquire console back for kernel
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 *
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 */
127 
void arch_grab_console(void)
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{
1931 jermar 129 
    switch (kbd_type) {
1875 jermar 130 
#ifdef CONFIG_Z8530
1931 jermar 131 
    case KBD_Z8530:
1896 jermar 132 
        z8530_grab();
1931 jermar 133 
        break;
1875 jermar 134 
#endif
1931 jermar 135 
#ifdef CONFIG_NS16550
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    case KBD_NS16550:
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        ns16550_grab();
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        break;
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#endif
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    default:
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        break;
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    }
1875 jermar 143 
}
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145 
/** Return console to userspace
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 *
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 */
148 
void arch_release_console(void)
149 
{
1931 jermar 150 
    switch (kbd_type) {
1875 jermar 151 
#ifdef CONFIG_Z8530
1931 jermar 152 
    case KBD_Z8530:
1896 jermar 153 
        z8530_release();
1931 jermar 154 
        break;
1875 jermar 155 
#endif
1931 jermar 156 
#ifdef CONFIG_NS16550
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    case KBD_NS16550:
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        ns16550_release();
159 
        break;
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#endif
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    default:
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        break;
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    }
1875 jermar 164 
}
1888 jermar 165 
 
1769 jermar 166 
/** @}
1702 cejka 167 
 */