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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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#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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3675 svoboda 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>
3675 svoboda 59
#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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/**
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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
{
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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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    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);
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1896 jermar 98
    kbd_init(keyboard);
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}
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3675 svoboda 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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}
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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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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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    /* "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();
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    }
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}
129
 
130
 
895 jermar 131
/** Kernel thread for polling keyboard.
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 *
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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) {
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        /*
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         * The z8530 driver is interrupt-driven.
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         */
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        return;
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    }
1842 jermar 146
#endif
1896 jermar 147
 
3675 svoboda 148
#ifdef CONFIG_NS16550
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#ifdef CONFIG_NS16550_INTERRUPT_DRIVEN
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    if (kbd_type == KBD_NS16550) {
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        /*
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         * The ns16550 driver is interrupt-driven.
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         */
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        return;
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    }
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#endif
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#endif
1896 jermar 158
    while (1) {
1844 jermar 159
#ifdef CONFIG_NS16550
3675 svoboda 160
#ifndef CONFIG_NS16550_INTERRUPT_DRIVEN
1896 jermar 161
        if (kbd_type == KBD_NS16550)
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            ns16550_poll();
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#endif
3675 svoboda 164
#endif
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#ifdef CONFIG_SGCN
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        if (kbd_type == KBD_SGCN)
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            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
{
1931 jermar 178
    switch (kbd_type) {
1875 jermar 179
#ifdef CONFIG_Z8530
1931 jermar 180
    case KBD_Z8530:
1896 jermar 181
        z8530_grab();
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        break;
1875 jermar 183
#endif
1931 jermar 184
#ifdef CONFIG_NS16550
185
    case KBD_NS16550:
186
        ns16550_grab();
187
        break;
188
#endif
3675 svoboda 189
#ifdef CONFIG_SGCN
190
    case KBD_SGCN:
191
        sgcn_grab();
192
        break;
193
#endif
1931 jermar 194
    default:
195
        break;
196
    }
1875 jermar 197
}
198
 
199
/** Return console to userspace
200
 *
201
 */
202
void arch_release_console(void)
203
{
1931 jermar 204
    switch (kbd_type) {
1875 jermar 205
#ifdef CONFIG_Z8530
1931 jermar 206
    case KBD_Z8530:
1896 jermar 207
        z8530_release();
1931 jermar 208
        break;
1875 jermar 209
#endif
1931 jermar 210
#ifdef CONFIG_NS16550
211
    case KBD_NS16550:
212
        ns16550_release();
213
        break;
214
#endif
3675 svoboda 215
#ifdef CONFIG_SGCN
216
    case KBD_SGCN:
217
        sgcn_release();
218
        break;
219
#endif
1931 jermar 220
    default:
221
        break;
222
    }
1875 jermar 223
}
1888 jermar 224
 
1769 jermar 225
/** @}
1702 cejka 226
 */