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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>
669 jermar 36
#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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3817 rimsky 43
#if defined (SUN4U)
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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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#elif defined (SUN4V)
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    #include <arch/drivers/niagara.h>
1842 jermar 52
#endif
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893 jermar 54
#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 59
#include <arch/mm/sun4u/tlb.h>
1896 jermar 60
#include <genarch/ofw/ofw_tree.h>
1880 jermar 61
#include <arch.h>
1896 jermar 62
#include <panic.h>
3549 rimsky 63
#include <func.h>
1896 jermar 64
#include <print.h>
426 jermar 65
 
895 jermar 66
#define KEYBOARD_POLL_PAUSE 50000   /* 50ms */
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3817 rimsky 68
#if defined (SUN4U)
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3549 rimsky 70
/**
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 * Initialize kernel console to use framebuffer and keyboard directly.
3742 rimsky 72
 * Called on UltraSPARC machines with standard keyboard and framebuffer.
3549 rimsky 73
 *
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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 77
{
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    stdin = NULL;
1896 jermar 79
 
80
    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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84
    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 93
    scr_init(screen);
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1896 jermar 95
    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 103
 
1896 jermar 104
    kbd_init(keyboard);
586 jermar 105
}
893 jermar 106
 
3549 rimsky 107
/** Initilize I/O on the Serengeti machine. */
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static void serengeti_init(void)
109
{
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    sgcn_init();
111
}
112
 
3817 rimsky 113
#endif
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3549 rimsky 115
/**
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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)
120
{
3817 rimsky 121
#if defined (SUN4U)
3549 rimsky 122
    ofw_tree_node_t *aliases;
123
    ofw_tree_property_t *prop;
124
 
125
    aliases = ofw_tree_lookup("/aliases");
126
    if (!aliases)
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        panic("Can't find /aliases.\n");
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129
    /* "def-cn" = "default console" */
130
    prop = ofw_tree_getprop(aliases, "def-cn");
131
 
132
    if ((!prop) || (!prop->value) || (strcmp(prop->value, "/sgcn") != 0)) {
133
        standard_console_init(aliases);
134
    } else {
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        serengeti_init();
136
    }
3817 rimsky 137
#elif defined (SUN4V)
138
    niagara_init();
139
#endif
3549 rimsky 140
}
141
 
142
 
895 jermar 143
/** Kernel thread for polling keyboard.
144
 *
145
 * @param arg Ignored.
146
 */
147
void kkbdpoll(void *arg)
148
{
1880 jermar 149
    thread_detach(THREAD);
150
 
1842 jermar 151
#ifdef CONFIG_Z8530
1931 jermar 152
    if (kbd_type == KBD_Z8530) {
153
        /*
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         * The z8530 driver is interrupt-driven.
155
         */
1849 jermar 156
        return;
1931 jermar 157
    }
1842 jermar 158
#endif
1896 jermar 159
 
3665 rimsky 160
#ifdef CONFIG_NS16550
161
#ifdef CONFIG_NS16550_INTERRUPT_DRIVEN
162
    if (kbd_type == KBD_NS16550) {
163
        /*
164
         * The ns16550 driver is interrupt-driven.
165
         */
166
        return;
167
    }
168
#endif
169
#endif
1896 jermar 170
    while (1) {
1844 jermar 171
#ifdef CONFIG_NS16550
3665 rimsky 172
#ifndef CONFIG_NS16550_INTERRUPT_DRIVEN
1896 jermar 173
        if (kbd_type == KBD_NS16550)
174
            ns16550_poll();
1842 jermar 175
#endif
3665 rimsky 176
#endif
3549 rimsky 177
#ifdef CONFIG_SGCN
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        if (kbd_type == KBD_SGCN)
179
            sgcn_poll();
180
#endif
3817 rimsky 181
#ifdef SUN4V
182
        if (kbd_type == KBD_SUN4V)
183
            niagara_poll();
184
#endif
895 jermar 185
        thread_usleep(KEYBOARD_POLL_PAUSE);
186
    }
187
}
1702 cejka 188
 
1875 jermar 189
/** Acquire console back for kernel
190
 *
191
 */
192
void arch_grab_console(void)
193
{
3745 rimsky 194
    scr_redraw();
1931 jermar 195
    switch (kbd_type) {
1875 jermar 196
#ifdef CONFIG_Z8530
1931 jermar 197
    case KBD_Z8530:
1896 jermar 198
        z8530_grab();
1931 jermar 199
        break;
1875 jermar 200
#endif
1931 jermar 201
#ifdef CONFIG_NS16550
202
    case KBD_NS16550:
203
        ns16550_grab();
204
        break;
205
#endif
3549 rimsky 206
#ifdef CONFIG_SGCN
207
    case KBD_SGCN:
208
        sgcn_grab();
209
        break;
210
#endif
1931 jermar 211
    default:
212
        break;
213
    }
1875 jermar 214
}
215
 
216
/** Return console to userspace
217
 *
218
 */
219
void arch_release_console(void)
220
{
1931 jermar 221
    switch (kbd_type) {
1875 jermar 222
#ifdef CONFIG_Z8530
1931 jermar 223
    case KBD_Z8530:
1896 jermar 224
        z8530_release();
1931 jermar 225
        break;
1875 jermar 226
#endif
1931 jermar 227
#ifdef CONFIG_NS16550
228
    case KBD_NS16550:
229
        ns16550_release();
230
        break;
231
#endif
3618 rimsky 232
#ifdef CONFIG_SGCN
233
    case KBD_SGCN:
234
        sgcn_release();
235
        break;
236
#endif
1931 jermar 237
    default:
238
        break;
239
    }
1875 jermar 240
}
1888 jermar 241
 
1769 jermar 242
/** @}
1702 cejka 243
 */