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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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/** @addtogroup sparc64
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 * @{
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 */
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/** @file
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 */
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586 jermar 35
#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>
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#include <func.h>
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#include <print.h>
426 jermar 61
 
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)
893 jermar 71
{
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)
3790 svoboda 81
        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);
1896 jermar 87
 
1897 jermar 88
    scr_init(screen);
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1896 jermar 90
    prop = ofw_tree_getprop(aliases, "keyboard");
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    if (!prop)
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        panic("Cannot find property 'keyboard'.");
1896 jermar 93
    if (!prop->value)
3790 svoboda 94
        panic("Cannot find keyboard alias.");
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    keyboard = ofw_tree_lookup(prop->value);
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    if (!keyboard)
3790 svoboda 97
        panic("Cannot find %s.", prop->value);
897 jermar 98
 
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
586 jermar 104
}
893 jermar 105
 
3672 jermar 106
/** Initilize I/O on the Serengeti machine. */
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static void serengeti_init(void)
108
{
109
    sgcn_init();
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}
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112
/**
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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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121
    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.
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 *
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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)
1849 jermar 145
        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);
153
    }
154
}
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) {
1875 jermar 165
#ifdef CONFIG_Z8530
1931 jermar 166
    case KBD_Z8530:
1896 jermar 167
        z8530_grab();
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        break;
1875 jermar 169
#endif
1931 jermar 170
#ifdef CONFIG_NS16550
171
    case KBD_NS16550:
172
        ns16550_grab();
173
        break;
174
#endif
3672 jermar 175
#ifdef CONFIG_SGCN
176
    case KBD_SGCN:
177
        sgcn_grab();
178
        break;
179
#endif
1931 jermar 180
    default:
181
        break;
182
    }
1875 jermar 183
}
184
 
185
/** Return console to userspace
186
 *
187
 */
188
void arch_release_console(void)
189
{
1931 jermar 190
    switch (kbd_type) {
1875 jermar 191
#ifdef CONFIG_Z8530
1931 jermar 192
    case KBD_Z8530:
1896 jermar 193
        z8530_release();
1931 jermar 194
        break;
1875 jermar 195
#endif
1931 jermar 196
#ifdef CONFIG_NS16550
197
    case KBD_NS16550:
198
        ns16550_release();
199
        break;
200
#endif
3672 jermar 201
#ifdef CONFIG_SGCN
202
    case KBD_SGCN:
203
        sgcn_release();
204
        break;
205
#endif
1931 jermar 206
    default:
207
        break;
208
    }
1875 jermar 209
}
1888 jermar 210
 
1769 jermar 211
/** @}
1702 cejka 212
 */