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426 jermar 1
/*
2071 jermar 2
 * Copyright (c) 2005 Jakub Jermar
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 * 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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/** @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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3672 jermar 41
#include <arch/drivers/sgcn.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>
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#endif
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#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>
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#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>
4011 svoboda 59
#include <string.h>
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#include <print.h>
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895 jermar 62
#define KEYBOARD_POLL_PAUSE 50000   /* 50ms */
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3672 jermar 64
/**
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 * Initialize kernel console to use framebuffer and keyboard directly.
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 * Called on UltraSPARC machines with standard keyboard and framebuffer.
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 *
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 * @param aliases   the "/aliases" OBP node
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 */
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static void standard_console_init(ofw_tree_node_t *aliases)
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{
3865 rimsky 72
#ifdef CONFIG_FB
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    stdin = NULL;
1896 jermar 74
 
75
    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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    prop = ofw_tree_getprop(aliases, "screen");
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    if (!prop)
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        panic("Cannot find property 'screen'.");
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    if (!prop->value)
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        panic("Cannot find screen alias.");
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    screen = ofw_tree_lookup(prop->value);
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    if (!screen)
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        panic("Cannot find %s.", prop->value);
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1897 jermar 88
    scr_init(screen);
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    prop = ofw_tree_getprop(aliases, "keyboard");
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    if (!prop)
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        panic("Cannot find property 'keyboard'.");
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    if (!prop->value)
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        panic("Cannot find keyboard alias.");
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    keyboard = ofw_tree_lookup(prop->value);
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    if (!keyboard)
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        panic("Cannot find %s.", prop->value);
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1896 jermar 99
    kbd_init(keyboard);
3865 rimsky 100
#else
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    panic("Standard console requires FB, "
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          "but the kernel is not compiled with FB support.");
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#endif
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}
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3672 jermar 106
/** Initilize I/O on the Serengeti machine. */
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static void serengeti_init(void)
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{
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    sgcn_init();
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}
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/**
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 * Initialize input/output. Auto-detects the type of machine
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 * and calls the appropriate I/O init routine.
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 */
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void standalone_sparc64_console_init(void)
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{
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    ofw_tree_node_t *aliases;
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    ofw_tree_property_t *prop;
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    aliases = ofw_tree_lookup("/aliases");
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    if (!aliases)
3790 svoboda 123
        panic("Cannot find '/aliases'.");
3672 jermar 124
 
125
    /* "def-cn" = "default console" */
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    prop = ofw_tree_getprop(aliases, "def-cn");
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128
    if ((!prop) || (!prop->value) || (strcmp(prop->value, "/sgcn") != 0)) {
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        standard_console_init(aliases);
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    } else {
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        serengeti_init();
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    }
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}
134
 
135
 
895 jermar 136
/** Kernel thread for polling keyboard.
137
 *
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 * @param arg Ignored.
139
 */
140
void kkbdpoll(void *arg)
141
{
1880 jermar 142
    thread_detach(THREAD);
143
 
3900 jermar 144
    if (kbd_type != KBD_SGCN)
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        return;
1896 jermar 146
 
147
    while (1) {
3672 jermar 148
#ifdef CONFIG_SGCN
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        if (kbd_type == KBD_SGCN)
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            sgcn_poll();
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#endif
895 jermar 152
        thread_usleep(KEYBOARD_POLL_PAUSE);
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    }
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}
1702 cejka 155
 
1875 jermar 156
/** Acquire console back for kernel
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 *
158
 */
159
void arch_grab_console(void)
160
{
3865 rimsky 161
#ifdef CONFIG_FB
3740 jermar 162
    scr_redraw();
3865 rimsky 163
#endif
1931 jermar 164
    switch (kbd_type) {
3672 jermar 165
#ifdef CONFIG_SGCN
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    case KBD_SGCN:
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        sgcn_grab();
168
        break;
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#endif
1931 jermar 170
    default:
171
        break;
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    }
1875 jermar 173
}
174
 
175
/** Return console to userspace
176
 *
177
 */
178
void arch_release_console(void)
179
{
1931 jermar 180
    switch (kbd_type) {
3672 jermar 181
#ifdef CONFIG_SGCN
182
    case KBD_SGCN:
183
        sgcn_release();
184
        break;
185
#endif
1931 jermar 186
    default:
187
        break;
188
    }
1875 jermar 189
}
1888 jermar 190
 
1769 jermar 191
/** @}
1702 cejka 192
 */