Subversion Repositories HelenOS

Rev

Rev 1931 | Rev 2089 | 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>
37 
#include <typedefs.h>
1842 jermar 38 
 
1897 jermar 39 
#include <arch/drivers/scr.h>
1842 jermar 40 
#include <arch/drivers/kbd.h>
1897 jermar 41 
 
1842 jermar 42 
#ifdef CONFIG_Z8530
43 
#include <genarch/kbd/z8530.h>
44 
#endif
1844 jermar 45 
#ifdef CONFIG_NS16550
46 
#include <genarch/kbd/ns16550.h>
1842 jermar 47 
#endif
48 
 
893 jermar 49 
#include <console/chardev.h>
50 
#include <console/console.h>
51 
#include <arch/asm.h>
52 
#include <arch/register.h>
53 
#include <proc/thread.h>
897 jermar 54 
#include <arch/mm/tlb.h>
1896 jermar 55 
#include <genarch/ofw/ofw_tree.h>
1880 jermar 56 
#include <arch.h>
1896 jermar 57 
#include <panic.h>
58 
#include <print.h>
426 jermar 59 
 
895 jermar 60 
#define KEYBOARD_POLL_PAUSE 50000   /* 50ms */
61 
 
893 jermar 62 
/** Initialize kernel console to use framebuffer and keyboard directly. */
63 
void standalone_sparc64_console_init(void)
64 
{
65 
    stdin = NULL;
1896 jermar 66 
 
67 
    ofw_tree_node_t *aliases;
68 
    ofw_tree_property_t *prop;
69 
    ofw_tree_node_t *screen;
70 
    ofw_tree_node_t *keyboard;
71 
 
72 
    aliases = ofw_tree_lookup("/aliases");
73 
    if (!aliases)
74 
        panic("Can't find /aliases.\n");
75 
 
76 
    prop = ofw_tree_getprop(aliases, "screen");
77 
    if (!prop)
78 
        panic("Can't find property \"screen\".\n");
79 
    if (!prop->value)
80 
        panic("Can't find screen alias.\n");
81 
    screen = ofw_tree_lookup(prop->value);
82 
    if (!screen)
83 
        panic("Can't find %s\n", prop->value);
84 
 
1897 jermar 85 
    scr_init(screen);
86 
 
1896 jermar 87 
    prop = ofw_tree_getprop(aliases, "keyboard");
88 
    if (!prop)
89 
        panic("Can't find property \"keyboard\".\n");
90 
    if (!prop->value)
91 
        panic("Can't find keyboard alias.\n");
92 
    keyboard = ofw_tree_lookup(prop->value);
93 
    if (!keyboard)
94 
        panic("Can't find %s\n", prop->value);
897 jermar 95 
 
1896 jermar 96 
    kbd_init(keyboard);
586 jermar 97 
}
893 jermar 98 
 
895 jermar 99 
/** Kernel thread for polling keyboard.
100 
 *
101 
 * @param arg Ignored.
102 
 */
103 
void kkbdpoll(void *arg)
104 
{
1880 jermar 105 
    thread_detach(THREAD);
106 
 
1842 jermar 107 
#ifdef CONFIG_Z8530
1931 jermar 108 
    if (kbd_type == KBD_Z8530) {
109 
        /*
110 
         * The z8530 driver is interrupt-driven.
111 
         */
1849 jermar 112 
        return;
1931 jermar 113 
    }
1842 jermar 114 
#endif
1896 jermar 115 
 
116 
    while (1) {
1844 jermar 117 
#ifdef CONFIG_NS16550
1896 jermar 118 
        if (kbd_type == KBD_NS16550)
119 
            ns16550_poll();
1842 jermar 120 
#endif
895 jermar 121 
        thread_usleep(KEYBOARD_POLL_PAUSE);
122 
    }
123 
}
1702 cejka 124 
 
1875 jermar 125 
/** Acquire console back for kernel
126 
 *
127 
 */
128 
void arch_grab_console(void)
129 
{
1931 jermar 130 
    switch (kbd_type) {
1875 jermar 131 
#ifdef CONFIG_Z8530
1931 jermar 132 
    case KBD_Z8530:
1896 jermar 133 
        z8530_grab();
1931 jermar 134 
        break;
1875 jermar 135 
#endif
1931 jermar 136 
#ifdef CONFIG_NS16550
137 
    case KBD_NS16550:
138 
        ns16550_grab();
139 
        break;
140 
#endif
141 
    default:
142 
        break;
143 
    }
1875 jermar 144 
}
145 
 
146 
/** Return console to userspace
147 
 *
148 
 */
149 
void arch_release_console(void)
150 
{
1931 jermar 151 
    switch (kbd_type) {
1875 jermar 152 
#ifdef CONFIG_Z8530
1931 jermar 153 
    case KBD_Z8530:
1896 jermar 154 
        z8530_release();
1931 jermar 155 
        break;
1875 jermar 156 
#endif
1931 jermar 157 
#ifdef CONFIG_NS16550
158 
    case KBD_NS16550:
159 
        ns16550_release();
160 
        break;
161 
#endif
162 
    default:
163 
        break;
164 
    }
1875 jermar 165 
}
1888 jermar 166 
 
1769 jermar 167 
/** @}
1702 cejka 168 
 */