sys/arch/i386/pnpbios/lpt_pnpbios.c

   1 /* $NetBSD: lpt_pnpbios.c,v 1.10 2006/11/16 01:32:39 christos Exp $ */
   2 /*
   3  * Copyright (c) 1999
   4  *      Matthias Drochner.  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  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  25  * SUCH DAMAGE.
  26  */
  27
  28 #include <sys/cdefs.h>
  29 __KERNEL_RCSID(0, "$NetBSD: lpt_pnpbios.c,v 1.10 2006/11/16 01:32:39 christos Exp $");
  30
  31 #include <sys/param.h>
  32 #include <sys/systm.h>
  33 #include <sys/errno.h>
  34 #include <sys/ioctl.h>
  35 #include <sys/syslog.h>
  36 #include <sys/device.h>
  37 #include <sys/proc.h>
  38 #include <sys/termios.h>
  39
  40 #include <machine/bus.h>
  41
  42 #include <dev/isa/isavar.h>
  43 #include <dev/isa/isadmavar.h>
  44
  45 #include <i386/pnpbios/pnpbiosvar.h>
  46
  47 #include <dev/ic/lptvar.h>
  48
  49 struct lpt_pnpbios_softc {
  50         struct  lpt_softc sc_lpt;
  51 };
  52
  53 int lpt_pnpbios_match(device_t, cfdata_t, void *);
  54 void lpt_pnpbios_attach(device_t, device_t, void *);
  55
  56 CFATTACH_DECL_NEW(lpt_pnpbios, sizeof(struct lpt_pnpbios_softc),
  57     lpt_pnpbios_match, lpt_pnpbios_attach, NULL, NULL);
  58
  59 int
  60 lpt_pnpbios_match(device_t parent, cfdata_t match, void *aux)
  61 {
  62         struct pnpbiosdev_attach_args *aa = aux;
  63
  64         if (strcmp(aa->idstr, "PNP0400") &&
  65             strcmp(aa->idstr, "PNP0401"))
  66                 return (0);
  67
  68         return (1);
  69 }
  70
  71 void
  72 lpt_pnpbios_attach(device_t parent, device_t self, void *aux)
  73 {
  74         struct lpt_pnpbios_softc *psc = device_private(self);
  75         struct lpt_softc *sc = &psc->sc_lpt;
  76         struct pnpbiosdev_attach_args *aa = aux;
  77
  78         sc->sc_dev = self;
  79
  80         if (pnpbios_io_map(aa->pbt, aa->resc, 0, &sc->sc_iot, &sc->sc_ioh)) {
  81                 printf(": can't map i/o space\n");
  82                 return;
  83         }
  84
  85         printf("\n");
  86         pnpbios_print_devres(self, aa);
  87
  88         lpt_attach_subr(sc);
  89
  90         sc->sc_ih = pnpbios_intr_establish(aa->pbt, aa->resc, 0, IPL_TTY,
  91                                             lptintr, sc);
  92 }