sys/arch/hp700/dev/lpt_ssio.c

   1 /*      $OpenBSD: lpt_ssio.c,v 1.1 2007/06/20 18:22:15 kettenis Exp $   */
   2
   3 /*
   4  * Copyright (c) 2007 Mark Kettenis
   5  *
   6  * Permission to use, copy, modify, and distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18
  19 #include <sys/param.h>
  20 #include <sys/systm.h>
  21 #include <sys/device.h>
  22
  23 #include <machine/bus.h>
  24
  25 #include <dev/ic/lptreg.h>
  26 #include <dev/ic/lptvar.h>
  27
  28 #include <hp700/dev/ssiovar.h>
  29
  30 int lpt_ssio_match(device_t, cfdata_t, void *);
  31 void lpt_ssio_attach(device_t, device_t, void *);
  32
  33 CFATTACH_DECL_NEW(lpt_ssio, sizeof(struct lpt_softc),
  34     lpt_ssio_match, lpt_ssio_attach, NULL, NULL);
  35
  36 int
  37 lpt_ssio_match(device_t parent, cfdata_t match, void *aux)
  38 {
  39         cfdata_t cf = match;
  40         struct ssio_attach_args *saa = aux;
  41
  42         if (strcmp(saa->saa_name, "lpt") != 0)
  43                 return (0);
  44
  45         /* Check locators. */
  46         if (cf->ssiocf_irq != SSIO_UNK_IRQ && cf->ssiocf_irq != saa->saa_irq)
  47                 return (0);
  48
  49         return (1);
  50 }
  51
  52 void
  53 lpt_ssio_attach(device_t parent, device_t self, void *aux)
  54 {
  55         struct lpt_softc *sc = device_private(self);
  56         struct ssio_attach_args *saa = aux;
  57
  58         sc->sc_dev = self;
  59         sc->sc_iot = saa->saa_iot;
  60         if (bus_space_map(sc->sc_iot, saa->saa_iobase, LPT_NPORTS,
  61             0, &sc->sc_ioh)) {
  62                 aprint_error(": can't map i/o ports\n");
  63                 return;
  64         }
  65
  66         lpt_attach_subr(sc);
  67
  68         sc->sc_ih = ssio_intr_establish(IPL_TTY, saa->saa_irq,
  69             lptintr, sc, device_xname(self));
  70
  71         aprint_normal("\n");
  72 }