/*      $NetBSD: com_jazzio.c,v 1.13 2018/12/08 17:46:09 thorpej Exp $  */
/*      $OpenBSD: com_lbus.c,v 1.7 1998/03/16 09:38:41 pefo Exp $       */
/*      NetBSD: com_isa.c,v 1.12 1998/08/15 17:47:17 mycroft Exp        */

/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Charles M. Hannum.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/

/*-
* Copyright (c) 1991 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.
*
*      @(#)com.c       7.5 (Berkeley) 5/16/91
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: com_jazzio.c,v 1.13 2018/12/08 17:46:09 thorpej Exp $");

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/tty.h>

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

#include <arc/jazz/jazziovar.h>

#include <dev/isa/isavar.h>     /* XXX for isa_chipset_tag_t in com_softc */

#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>
#include <dev/ic/ns16550reg.h>

extern int com_freq;

int     com_jazzio_probe(device_t, cfdata_t , void *);
void    com_jazzio_attach(device_t, device_t, void *);

CFATTACH_DECL_NEW(com_jazzio, sizeof(struct com_softc),
   com_jazzio_probe, com_jazzio_attach, NULL, NULL);

int
com_jazzio_probe(device_t parent, cfdata_t match, void *aux)
{
       struct jazzio_attach_args *ja = aux;
       bus_space_tag_t iot;
       bus_space_handle_t ioh;
       int iobase;
       int rv = 1;

       if (strcmp(ja->ja_name, "COM1") != 0 &&
           strcmp(ja->ja_name, "COM2") != 0)
               return 0;

       iot = ja->ja_bust;
       iobase = ja->ja_addr;

       /* if it's in use as console, it's there. */
       if (!com_is_console(iot, iobase, 0)) {
               if (bus_space_map(iot, iobase, COM_NPORTS, 0, &ioh)) {
                       return 0;
               }
               rv = comprobe1(iot, ioh);
               bus_space_unmap(iot, ioh, COM_NPORTS);
       }
       return rv;
}

void
com_jazzio_attach(device_t parent, device_t self, void *aux)
{
       struct jazzio_attach_args *ja = aux;
       struct com_softc *sc = device_private(self);
       int iobase;
       bus_space_tag_t iot;
       bus_space_handle_t ioh;

       sc->sc_dev = self;
       iobase = ja->ja_addr;
       iot = ja->ja_bust;

       if (!com_is_console(iot, iobase, &ioh) &&
           bus_space_map(iot, iobase, COM_NPORTS, 0, &ioh)) {
               aprint_error(": can't map i/o space\n");
               return;
       }
       com_init_regs(&sc->sc_regs, iot, ioh, iobase);
       sc->sc_frequency = com_freq;
       SET(sc->sc_hwflags, COM_HW_TXFIFO_DISABLE); /* XXX - NEC M403 */
       jazzio_intr_establish(ja->ja_intr, comintr, sc);

       com_attach_subr(sc);
}