/*      $NetBSD: termios.c,v 1.1 2009/03/02 09:33:02 nonaka Exp $       */
/*      $OpenBSD: termios.c,v 1.2 2005/05/24 20:38:20 uwe Exp $ */

/*-
* Copyright (c) 1989, 1993
*      The Regents of the University of California.  All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
*    may be used to endorse or promote products derived from this software
*    without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/

#include "boot.h"
#include "unixdev.h"

#include "compat_linux.h"
#include "termios.h"

int
linux_cfsetspeed(struct linux_termios *t, linux_speed_t speed)
{
       int mask;
       int i;

       mask = LINUX_B9600;     /* XXX default value should this be 0? */
       for (i = 0; i < __arraycount(linux_speeds); i++) {
               if (speed == linux_speeds[i]) {
                       mask = linux_spmasks[i];
                       break;
               }
       }
       if (i == __arraycount(linux_speeds))
               return -1;

       t->c_cflag &= ~LINUX_CBAUD;
       t->c_cflag |= mask;
       return 0;
}

void
linux_cfmakeraw(struct linux_termios *t)
{

       t->c_iflag &= ~(LINUX_IMAXBEL
                      |LINUX_IGNBRK
                      |LINUX_BRKINT
                      |LINUX_PARMRK
                      |LINUX_ISTRIP
                      |LINUX_INLCR
                      |LINUX_IGNCR
                      |LINUX_ICRNL
                      |LINUX_IXON);
       t->c_oflag &= ~LINUX_OPOST;
       t->c_lflag &= ~(LINUX_ECHO
                      |LINUX_ECHONL
                      |LINUX_ICANON
                      |LINUX_ISIG
                      |LINUX_IEXTEN);
       t->c_cflag &= ~(LINUX_CSIZE|LINUX_PARENB);
       t->c_cflag |= LINUX_CS8;
}

int
linux_tcgetattr(int fd, struct linux_termios *t)
{

       return uioctl(fd, LINUX_TCGETS, t);
}

/* This function differs slightly from tcsetattr() in libc. */
int
linux_tcsetattr(int fd, int action, struct linux_termios *t)
{

       switch (action) {
       case LINUX_TCSETS:
       case LINUX_TCSETSW:
       case LINUX_TCSETSF:
               break;

       default:
               errno = EINVAL;
               return -1;
       }
       return uioctl(fd, action, t);
}

void dummycall(void);
void
dummycall(void)
{

       (void)linux_termio_to_bsd_termios;
       (void)bsd_termios_to_linux_termio;
       (void)linux_termios_to_bsd_termios;
       (void)bsd_termios_to_linux_termios;
}