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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
1702 cejka 30
 * @{
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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>
1842 jermar 37
 
1897 jermar 38
#include <arch/drivers/scr.h>
1842 jermar 39
#include <arch/drivers/kbd.h>
1897 jermar 40
 
3514 rimsky 41
#include <arch/drivers/sgcn.h>
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1842 jermar 43
#ifdef CONFIG_Z8530
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#include <genarch/kbd/z8530.h>
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#endif
1844 jermar 46
#ifdef CONFIG_NS16550
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#include <genarch/kbd/ns16550.h>
1842 jermar 48
#endif
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893 jermar 50
#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>
3770 rimsky 55
#include <arch/mm/sun4u/tlb.h>
1896 jermar 56
#include <genarch/ofw/ofw_tree.h>
1880 jermar 57
#include <arch.h>
1896 jermar 58
#include <panic.h>
3549 rimsky 59
#include <func.h>
1896 jermar 60
#include <print.h>
426 jermar 61
 
895 jermar 62
#define KEYBOARD_POLL_PAUSE 50000   /* 50ms */
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3549 rimsky 64
/**
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 * Initialize kernel console to use framebuffer and keyboard directly.
3742 rimsky 66
 * Called on UltraSPARC machines with standard keyboard and framebuffer.
3549 rimsky 67
 *
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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
{
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    stdin = NULL;
1896 jermar 73
 
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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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    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 87
    scr_init(screen);
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1896 jermar 89
    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 97
 
1896 jermar 98
    kbd_init(keyboard);
586 jermar 99
}
893 jermar 100
 
3549 rimsky 101
/** 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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}
106
 
107
/**
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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)
112
{
113
    ofw_tree_node_t *aliases;
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    ofw_tree_property_t *prop;
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116
    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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120
    /* "def-cn" = "default console" */
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    prop = ofw_tree_getprop(aliases, "def-cn");
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123
    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();
127
    }
128
}
129
 
130
 
895 jermar 131
/** Kernel thread for polling keyboard.
132
 *
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 * @param arg Ignored.
134
 */
135
void kkbdpoll(void *arg)
136
{
1880 jermar 137
    thread_detach(THREAD);
138
 
1842 jermar 139
#ifdef CONFIG_Z8530
1931 jermar 140
    if (kbd_type == KBD_Z8530) {
141
        /*
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         * The z8530 driver is interrupt-driven.
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         */
1849 jermar 144
        return;
1931 jermar 145
    }
1842 jermar 146
#endif
1896 jermar 147
 
3665 rimsky 148
#ifdef CONFIG_NS16550
149
#ifdef CONFIG_NS16550_INTERRUPT_DRIVEN
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    if (kbd_type == KBD_NS16550) {
151
        /*
152
         * The ns16550 driver is interrupt-driven.
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         */
154
        return;
155
    }
156
#endif
157
#endif
1896 jermar 158
    while (1) {
1844 jermar 159
#ifdef CONFIG_NS16550
3665 rimsky 160
#ifndef CONFIG_NS16550_INTERRUPT_DRIVEN
1896 jermar 161
        if (kbd_type == KBD_NS16550)
162
            ns16550_poll();
1842 jermar 163
#endif
3665 rimsky 164
#endif
3549 rimsky 165
#ifdef CONFIG_SGCN
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        if (kbd_type == KBD_SGCN)
167
            sgcn_poll();
168
#endif
895 jermar 169
        thread_usleep(KEYBOARD_POLL_PAUSE);
170
    }
171
}
1702 cejka 172
 
1875 jermar 173
/** Acquire console back for kernel
174
 *
175
 */
176
void arch_grab_console(void)
177
{
3745 rimsky 178
    scr_redraw();
1931 jermar 179
    switch (kbd_type) {
1875 jermar 180
#ifdef CONFIG_Z8530
1931 jermar 181
    case KBD_Z8530:
1896 jermar 182
        z8530_grab();
1931 jermar 183
        break;
1875 jermar 184
#endif
1931 jermar 185
#ifdef CONFIG_NS16550
186
    case KBD_NS16550:
187
        ns16550_grab();
188
        break;
189
#endif
3549 rimsky 190
#ifdef CONFIG_SGCN
191
    case KBD_SGCN:
192
        sgcn_grab();
193
        break;
194
#endif
1931 jermar 195
    default:
196
        break;
197
    }
1875 jermar 198
}
199
 
200
/** Return console to userspace
201
 *
202
 */
203
void arch_release_console(void)
204
{
1931 jermar 205
    switch (kbd_type) {
1875 jermar 206
#ifdef CONFIG_Z8530
1931 jermar 207
    case KBD_Z8530:
1896 jermar 208
        z8530_release();
1931 jermar 209
        break;
1875 jermar 210
#endif
1931 jermar 211
#ifdef CONFIG_NS16550
212
    case KBD_NS16550:
213
        ns16550_release();
214
        break;
215
#endif
3618 rimsky 216
#ifdef CONFIG_SGCN
217
    case KBD_SGCN:
218
        sgcn_release();
219
        break;
220
#endif
1931 jermar 221
    default:
222
        break;
223
    }
1875 jermar 224
}
1888 jermar 225
 
1769 jermar 226
/** @}
1702 cejka 227
 */