sparc/io/consplat.c

	consplat.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

/*
 * isa-specific console configuration routines
 */

#include <sys/types.h>
#include <sys/param.h>
#include <sys/cmn_err.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/debug.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>
#include <sys/esunddi.h>
#include <sys/ddi_impldefs.h>
#include <sys/promif.h>
#include <sys/modctl.h>
#include <sys/termios.h>

extern char *get_alias(char *alias, char *buf);

extern int polled_debug;

int
plat_use_polled_debug()
{
    return (polled_debug);
}

int
plat_support_serial_kbd_and_ms()
{
    return (1);
}

int
plat_usb_kb_path_override() {
    return (0);
}

/*
 * Return generic path to keyboard device from the alias.
 */
char *
plat_kbdpath(void)
{
    static char *kbdpath = NULL;
    static char buf[MAXPATHLEN];
    char *path;

    if (kbdpath != NULL)
        return (kbdpath);

    /*
     * look for the keyboard property in /aliases
     * The keyboard alias is required on 1275 systems
     */
    path = get_alias("keyboard", buf);
    if (path != NULL) {
        kbdpath = path;
        return (path);
    }

    return (NULL);
}

/*
 * Return generic path to display device from the alias.
 */
char *
plat_fbpath(void)
{
    static char *fbpath = NULL;
    static char buf[MAXPATHLEN];
    char *path;

    if (fbpath != NULL)
        return (fbpath);

    /* look for the screen property in /aliases */
    path = get_alias("screen", buf);
    if (path != NULL) {
        fbpath = path;
        return (path);
    }

    return (NULL);
}

char *
plat_mousepath(void)
{
    static char     *mousepath = NULL;
    static char     buf[MAXPATHLEN];
    char        *path, *p, *q;
    major_t     zs_major, kb_major;

    if (mousepath != NULL)
        return (mousepath);

    /* look for the mouse property in /aliases */
    path = get_alias("mouse", buf);
    if (path != NULL) {
        mousepath = path;
        return (path);
    }

    if (!plat_support_serial_kbd_and_ms())
        return (NULL);

    if ((zs_major = mod_name_to_major("zs")) == -1)
        return (NULL);

    if ((path = plat_kbdpath()) == NULL)
        return (NULL);

    if ((kb_major = path_to_major(path)) == (major_t)-1)
        return (NULL);

    if (zs_major != kb_major)
        return (NULL);

    /*
     * If we didn't find the mouse property and we're on an OBP
     * system with a 'zs' port keyboard/mouse duart then the mouse
     * is the 'b' channel of the keyboard duart. Change :a to :b
     * or append :b to the last component of the path.
     * (It's still canonical without :a)
     */
    (void) strcpy(buf, path);
    p = (strrchr(buf, '/'));    /* p points to last comp. */
    if (p != NULL) {
        q = strchr(p, ':');
        if (q != 0)
            *q = (char)0;   /* Replace or append options */
        (void) strcat(p, ":b");
        mousepath = buf;
        return (mousepath);
    }
    return (NULL);
}

char *
plat_stdinpath(void)
{
    return (prom_stdinpath());
}

char *
plat_stdoutpath(void)
{
    static char *outpath;
    static char buf[MAXPATHLEN];
    char *p;

    if (outpath != NULL)
        return (outpath);

    p = prom_stdoutpath();
    if (p == NULL)
        return (NULL);

    /*
     * If the output device is a framebuffer, we don't
     * care about monitor resolution options strings.
     * In fact, we can't handle them at all, so strip them.
     */
    if (prom_stdout_is_framebuffer()) {
        prom_strip_options(p, buf);
        p = buf;
    }

    outpath = p;
    return (outpath);
}

int
plat_stdin_is_keyboard(void)
{
    return (prom_stdin_is_keyboard());
}

int
plat_stdout_is_framebuffer(void)
{
    return (prom_stdout_is_framebuffer());
}

void
kadb_uses_kernel()
{
    /* only used on intel */
}