Subversion Repositories HelenOS

Rev

Rev 2089 | Rev 3675 | 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 
 
1842 jermar 41 
#ifdef CONFIG_Z8530
42 
#include <genarch/kbd/z8530.h>
43 
#endif
1844 jermar 44 
#ifdef CONFIG_NS16550
45 
#include <genarch/kbd/ns16550.h>
1842 jermar 46 
#endif
47 
 
893 jermar 48 
#include <console/chardev.h>
49 
#include <console/console.h>
50 
#include <arch/asm.h>
51 
#include <arch/register.h>
52 
#include <proc/thread.h>
897 jermar 53 
#include <arch/mm/tlb.h>
1896 jermar 54 
#include <genarch/ofw/ofw_tree.h>
1880 jermar 55 
#include <arch.h>
1896 jermar 56 
#include <panic.h>
57 
#include <print.h>
426 jermar 58 
 
895 jermar 59 
#define KEYBOARD_POLL_PAUSE 50000   /* 50ms */
60 
 
893 jermar 61 
/** Initialize kernel console to use framebuffer and keyboard directly. */
62 
void standalone_sparc64_console_init(void)
63 
{
64 
    stdin = NULL;
1896 jermar 65 
 
66 
    ofw_tree_node_t *aliases;
67 
    ofw_tree_property_t *prop;
68 
    ofw_tree_node_t *screen;
69 
    ofw_tree_node_t *keyboard;
70 
 
71 
    aliases = ofw_tree_lookup("/aliases");
72 
    if (!aliases)
73 
        panic("Can't find /aliases.\n");
74 
 
75 
    prop = ofw_tree_getprop(aliases, "screen");
76 
    if (!prop)
77 
        panic("Can't find property \"screen\".\n");
78 
    if (!prop->value)
79 
        panic("Can't find screen alias.\n");
80 
    screen = ofw_tree_lookup(prop->value);
81 
    if (!screen)
82 
        panic("Can't find %s\n", prop->value);
83 
 
1897 jermar 84 
    scr_init(screen);
85 
 
1896 jermar 86 
    prop = ofw_tree_getprop(aliases, "keyboard");
87 
    if (!prop)
88 
        panic("Can't find property \"keyboard\".\n");
89 
    if (!prop->value)
90 
        panic("Can't find keyboard alias.\n");
91 
    keyboard = ofw_tree_lookup(prop->value);
92 
    if (!keyboard)
93 
        panic("Can't find %s\n", prop->value);
897 jermar 94 
 
1896 jermar 95 
    kbd_init(keyboard);
586 jermar 96 
}
893 jermar 97 
 
895 jermar 98 
/** Kernel thread for polling keyboard.
99 
 *
100 
 * @param arg Ignored.
101 
 */
102 
void kkbdpoll(void *arg)
103 
{
1880 jermar 104 
    thread_detach(THREAD);
105 
 
1842 jermar 106 
#ifdef CONFIG_Z8530
1931 jermar 107 
    if (kbd_type == KBD_Z8530) {
108 
        /*
109 
         * The z8530 driver is interrupt-driven.
110 
         */
1849 jermar 111 
        return;
1931 jermar 112 
    }
1842 jermar 113 
#endif
1896 jermar 114 
 
115 
    while (1) {
1844 jermar 116 
#ifdef CONFIG_NS16550
1896 jermar 117 
        if (kbd_type == KBD_NS16550)
118 
            ns16550_poll();
1842 jermar 119 
#endif
895 jermar 120 
        thread_usleep(KEYBOARD_POLL_PAUSE);
121 
    }
122 
}
1702 cejka 123 
 
1875 jermar 124 
/** Acquire console back for kernel
125 
 *
126 
 */
127 
void arch_grab_console(void)
128 
{
1931 jermar 129 
    switch (kbd_type) {
1875 jermar 130 
#ifdef CONFIG_Z8530
1931 jermar 131 
    case KBD_Z8530:
1896 jermar 132 
        z8530_grab();
1931 jermar 133 
        break;
1875 jermar 134 
#endif
1931 jermar 135 
#ifdef CONFIG_NS16550
136 
    case KBD_NS16550:
137 
        ns16550_grab();
138 
        break;
139 
#endif
140 
    default:
141 
        break;
142 
    }
1875 jermar 143 
}
144 
 
145 
/** Return console to userspace
146 
 *
147 
 */
148 
void arch_release_console(void)
149 
{
1931 jermar 150 
    switch (kbd_type) {
1875 jermar 151 
#ifdef CONFIG_Z8530
1931 jermar 152 
    case KBD_Z8530:
1896 jermar 153 
        z8530_release();
1931 jermar 154 
        break;
1875 jermar 155 
#endif
1931 jermar 156 
#ifdef CONFIG_NS16550
157 
    case KBD_NS16550:
158 
        ns16550_release();
159 
        break;
160 
#endif
161 
    default:
162 
        break;
163 
    }
1875 jermar 164 
}
1888 jermar 165 
 
1769 jermar 166 
/** @}
1702 cejka 167 
 */