sys/dev/isapnp/ess_isapnp.c

   1 /*      $NetBSD: ess_isapnp.c,v 1.20 2009/05/05 12:10:07 cegger Exp $   */
   2
   3 /*
   4  * Copyright (c) 1991-1993 Regents of the University of California.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed by the Computer Systems
  18  *      Engineering Group at Lawrence Berkeley Laboratory.
  19  * 4. Neither the name of the University nor of the Laboratory may be used
  20  *    to endorse or promote products derived from this software without
  21  *    specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  *
  35  */
  36
  37 #include <sys/cdefs.h>
  38 __KERNEL_RCSID(0, "$NetBSD: ess_isapnp.c,v 1.20 2009/05/05 12:10:07 cegger Exp $");
  39
  40 #include <sys/param.h>
  41 #include <sys/systm.h>
  42 #include <sys/errno.h>
  43 #include <sys/ioctl.h>
  44 #include <sys/syslog.h>
  45 #include <sys/device.h>
  46 #include <sys/proc.h>
  47
  48 #include <sys/bus.h>
  49
  50 #include <sys/audioio.h>
  51 #include <dev/audio_if.h>
  52 #include <dev/mulaw.h>
  53
  54 #include <dev/isa/isavar.h>
  55 #include <dev/isa/isadmavar.h>
  56
  57 #include <dev/isapnp/isapnpreg.h>
  58 #include <dev/isapnp/isapnpvar.h>
  59 #include <dev/isapnp/isapnpdevs.h>
  60
  61 #include <dev/isa/essreg.h>
  62 #include <dev/isa/essvar.h>
  63
  64 int     ess_isapnp_match(device_t, cfdata_t, void *);
  65 void    ess_isapnp_attach(device_t, device_t, void *);
  66
  67 CFATTACH_DECL(ess_isapnp, sizeof(struct ess_softc),
  68     ess_isapnp_match, ess_isapnp_attach, NULL, NULL);
  69
  70 /*
  71  * Probe / attach routines.
  72  */
  73
  74 /*
  75  * Probe for the ess hardware.
  76  */
  77 int
  78 ess_isapnp_match(device_t parent, cfdata_t match, void *aux)
  79 {
  80         int pri, variant;
  81
  82         pri = isapnp_devmatch(aux, &isapnp_ess_devinfo, &variant);
  83         if (pri && variant > 0)
  84                 pri = 0;
  85         return pri;
  86 }
  87
  88
  89 /*
  90  * Attach hardware to driver, attach hardware driver to audio
  91  * pseudo-device driver.
  92  */
  93 void
  94 ess_isapnp_attach(device_t parent, device_t self, void *aux)
  95 {
  96         struct ess_softc *sc;
  97         struct isapnp_attach_args *ipa;
  98
  99         sc = device_private(self);
 100         ipa = aux;
 101
 102         aprint_naive("\n");
 103         aprint_normal("\n");
 104
 105         if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
 106                 aprint_error_dev(self, "error in region allocation\n");
 107                 return;
 108         }
 109
 110         sc->sc_ic = ipa->ipa_ic;
 111
 112         sc->sc_iot = ipa->ipa_iot;
 113         sc->sc_iobase = ipa->ipa_io[0].base;
 114         sc->sc_ioh = ipa->ipa_io[0].h;
 115
 116         sc->sc_audio1.irq = ipa->ipa_irq[0].num;
 117         sc->sc_audio1.ist = ipa->ipa_irq[0].type;
 118         sc->sc_audio1.drq = ipa->ipa_drq[0].num;
 119         sc->sc_audio2.irq = -1;
 120         sc->sc_audio2.drq = ipa->ipa_drq[1].num;
 121
 122         if (!essmatch(sc)) {
 123                 aprint_error_dev(self, "essmatch failed\n");
 124                 return;
 125         }
 126
 127         aprint_normal_dev(self, "");
 128
 129         essattach(sc, 0);
 130 }