NetBSD-5.0.2/sys/dev/ic/com_upc.c

/* $NetBSD: com_upc.c,v 1.10.14.1 2009/02/02 00:57:44 snj Exp $ */
/*-
 * Copyright (c) 2000 Ben Harris
 * 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. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 */
/* This file is part of NetBSD/arm26 -- a port of NetBSD to ARM2/3 machines. */

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: com_upc.c,v 1.10.14.1 2009/02/02 00:57:44 snj Exp $");

#include <sys/param.h>
#include <sys/device.h>
#include <sys/termios.h> /* XXX for tcflag_t in comvar.h */

#include <sys/bus.h>
#include <sys/intr.h>

#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>
#include <dev/ic/upcvar.h>

static int com_upc_match(device_t, cfdata_t , void *);
static void com_upc_attach(device_t, device_t, void *);

CFATTACH_DECL_NEW(com_upc, sizeof(struct com_softc),
    com_upc_match, com_upc_attach, NULL, NULL);

static int
com_upc_match(device_t parent, cfdata_t cf, void *aux)
{
	struct upc_attach_args *ua = aux;

	return !strcmp(ua->ua_devtype, "com");
}

static void
com_upc_attach(device_t parent, device_t self, void *aux)
{
	struct com_softc *sc = device_private(self);
	struct upc_attach_args *ua = aux;

	sc->sc_dev = self;
	sc->sc_frequency = COM_FREQ;

	COM_INIT_REGS(sc->sc_regs, ua->ua_iot, ua->ua_ioh, ua->ua_offset);
	com_attach_subr(sc);
	upc_intr_establish(ua->ua_irqhandle, IPL_SERIAL, comintr, sc);
}