Subversion Repositories HelenOS

Rev

Rev 3514 | Rev 3618 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
426 jermar 1
/*
2071 jermar 2
 * Copyright (c) 2005 Jakub Jermar
426 jermar 3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
7
 * are met:
8
 *
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
13
 *   documentation and/or other materials provided with the distribution.
14
 * - The name of the author may not be used to endorse or promote products
15
 *   derived from this software without specific prior written permission.
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
28
 
1769 jermar 29
/** @addtogroup sparc64
1702 cejka 30
 * @{
31
 */
32
/** @file
33
 */
34
 
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>
42
 
1842 jermar 43
#ifdef CONFIG_Z8530
44
#include <genarch/kbd/z8530.h>
45
#endif
1844 jermar 46
#ifdef CONFIG_NS16550
47
#include <genarch/kbd/ns16550.h>
1842 jermar 48
#endif
49
 
893 jermar 50
#include <console/chardev.h>
51
#include <console/console.h>
52
#include <arch/asm.h>
53
#include <arch/register.h>
54
#include <proc/thread.h>
897 jermar 55
#include <arch/mm/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 */
63
 
3549 rimsky 64
/**
65
 * Initialize kernel console to use framebuffer and keyboard directly.
66
 * Called on UltraSPARC64 machines with standard keyboard and framebuffer.
67
 *
68
 * @param aliases   the "/aliases" OBP node
69
 */
70
static void standard_console_init(ofw_tree_node_t *aliases)
893 jermar 71
{
72
    stdin = NULL;
1896 jermar 73
 
74
    ofw_tree_property_t *prop;
75
    ofw_tree_node_t *screen;
76
    ofw_tree_node_t *keyboard;
77
 
78
    prop = ofw_tree_getprop(aliases, "screen");
79
    if (!prop)
80
        panic("Can't find property \"screen\".\n");
81
    if (!prop->value)
82
        panic("Can't find screen alias.\n");
83
    screen = ofw_tree_lookup(prop->value);
84
    if (!screen)
85
        panic("Can't find %s\n", prop->value);
86
 
1897 jermar 87
    scr_init(screen);
88
 
1896 jermar 89
    prop = ofw_tree_getprop(aliases, "keyboard");
90
    if (!prop)
91
        panic("Can't find property \"keyboard\".\n");
92
    if (!prop->value)
93
        panic("Can't find keyboard alias.\n");
94
    keyboard = ofw_tree_lookup(prop->value);
95
    if (!keyboard)
96
        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. */
102
static void serengeti_init(void)
103
{
104
    sgcn_init();
105
}
106
 
107
/**
108
 * Initialize input/output. Auto-detects the type of machine
109
 * and calls the appropriate I/O init routine.
110
 */
111
void standalone_sparc64_console_init(void)
112
{
113
    ofw_tree_node_t *aliases;
114
    ofw_tree_property_t *prop;
115
 
116
    aliases = ofw_tree_lookup("/aliases");
117
    if (!aliases)
118
        panic("Can't find /aliases.\n");
119
 
120
    /* "def-cn" = "default console" */
121
    prop = ofw_tree_getprop(aliases, "def-cn");
122
 
123
    if ((!prop) || (!prop->value) || (strcmp(prop->value, "/sgcn") != 0)) {
124
        standard_console_init(aliases);
125
    } else {
126
        serengeti_init();
127
    }
128
}
129
 
130
 
895 jermar 131
/** Kernel thread for polling keyboard.
132
 *
133
 * @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
        /*
142
         * The z8530 driver is interrupt-driven.
143
         */
1849 jermar 144
        return;
1931 jermar 145
    }
1842 jermar 146
#endif
1896 jermar 147
 
148
    while (1) {
1844 jermar 149
#ifdef CONFIG_NS16550
1896 jermar 150
        if (kbd_type == KBD_NS16550)
151
            ns16550_poll();
1842 jermar 152
#endif
3549 rimsky 153
#ifdef CONFIG_SGCN
154
        if (kbd_type == KBD_SGCN)
155
            sgcn_poll();
156
#endif
157
 
895 jermar 158
        thread_usleep(KEYBOARD_POLL_PAUSE);
159
    }
160
}
1702 cejka 161
 
1875 jermar 162
/** Acquire console back for kernel
163
 *
164
 */
165
void arch_grab_console(void)
166
{
1931 jermar 167
    switch (kbd_type) {
1875 jermar 168
#ifdef CONFIG_Z8530
1931 jermar 169
    case KBD_Z8530:
1896 jermar 170
        z8530_grab();
1931 jermar 171
        break;
1875 jermar 172
#endif
1931 jermar 173
#ifdef CONFIG_NS16550
174
    case KBD_NS16550:
175
        ns16550_grab();
176
        break;
177
#endif
3549 rimsky 178
#ifdef CONFIG_SGCN
179
    case KBD_SGCN:
180
        sgcn_grab();
181
        break;
182
#endif
1931 jermar 183
    default:
184
        break;
185
    }
1875 jermar 186
}
187
 
188
/** Return console to userspace
189
 *
190
 */
191
void arch_release_console(void)
192
{
1931 jermar 193
    switch (kbd_type) {
1875 jermar 194
#ifdef CONFIG_Z8530
1931 jermar 195
    case KBD_Z8530:
1896 jermar 196
        z8530_release();
1931 jermar 197
        break;
1875 jermar 198
#endif
1931 jermar 199
#ifdef CONFIG_NS16550
200
    case KBD_NS16550:
201
        ns16550_release();
202
        break;
203
#endif
204
    default:
205
        break;
206
    }
1875 jermar 207
}
1888 jermar 208
 
1769 jermar 209
/** @}
1702 cejka 210
 */