sys/dev/ic/com_upc.c

   1 /* $NetBSD: com_upc.c,v 1.10 2008/03/14 15:09:11 cube Exp $ */
   2 /*-
   3  * Copyright (c) 2000 Ben Harris
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. 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  * 3. 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 /* This file is part of NetBSD/arm26 -- a port of NetBSD to ARM2/3 machines. */
  29
  30 #include <sys/cdefs.h>
  31 __KERNEL_RCSID(0, "$NetBSD: com_upc.c,v 1.10 2008/03/14 15:09:11 cube Exp $");
  32
  33 #include <sys/param.h>
  34 #include <sys/device.h>
  35 #include <sys/termios.h> /* XXX for tcflag_t in comvar.h */
  36
  37 #include <sys/bus.h>
  38 #include <sys/intr.h>
  39
  40 #include <dev/ic/comreg.h>
  41 #include <dev/ic/comvar.h>
  42 #include <dev/ic/upcvar.h>
  43
  44 static int com_upc_match(device_t, cfdata_t , void *);
  45 static void com_upc_attach(device_t, device_t, void *);
  46
  47 CFATTACH_DECL_NEW(com_upc, sizeof(struct com_softc),
  48     com_upc_match, com_upc_attach, NULL, NULL);
  49
  50 static int
  51 com_upc_match(device_t parent, cfdata_t cf, void *aux)
  52 {
  53         struct upc_attach_args *ua = aux;
  54
  55         return !strcmp(ua->ua_devtype, "com");
  56 }
  57
  58 static void
  59 com_upc_attach(device_t parent, device_t self, void *aux)
  60 {
  61         struct com_softc *sc = device_private(self);
  62         struct upc_attach_args *ua = aux;
  63
  64         sc->sc_dev = self;
  65         sc->sc_frequency = COM_FREQ;
  66
  67         COM_INIT_REGS(sc->sc_regs, ua->ua_iot, ua->ua_ioh, ua->ua_offset);
  68         com_attach_subr(sc);
  69         upc_intr_establish(ua->ua_irqhandle, IPL_SERIAL, comintr, sc);
  70 }