sys/dev/isapnp/gus_isapnp.c

   1 /*      $NetBSD: gus_isapnp.c,v 1.34 2009/05/12 10:07:55 cegger Exp $   */
   2
   3 /*
   4  * Copyright (c) 1997, 1999 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * Author: Kari Mettinen
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #include <sys/cdefs.h>
  32 __KERNEL_RCSID(0, "$NetBSD: gus_isapnp.c,v 1.34 2009/05/12 10:07:55 cegger Exp $");
  33
  34 #include "guspnp.h"
  35 #if NGUSPNP > 0
  36
  37 #include <sys/param.h>
  38 #include <sys/fcntl.h>
  39 #include <sys/vnode.h>
  40 #include <sys/poll.h>
  41 #include <sys/malloc.h>
  42 #include <sys/select.h>
  43 #include <sys/systm.h>
  44 #include <sys/errno.h>
  45 #include <sys/ioctl.h>
  46 #include <sys/syslog.h>
  47 #include <sys/device.h>
  48 #include <sys/proc.h>
  49
  50 #include <sys/bus.h>
  51
  52 #include <sys/audioio.h>
  53 #include <dev/audio_if.h>
  54 #include <dev/audiovar.h>
  55 #include <dev/mulaw.h>
  56
  57 #include <dev/isa/isavar.h>
  58 #include <dev/isa/isadmavar.h>
  59
  60 #include <dev/isapnp/isapnpreg.h>
  61 #include <dev/isapnp/isapnpvar.h>
  62 #include <dev/isapnp/isapnpdevs.h>
  63
  64
  65 #include <dev/ic/interwavevar.h>
  66 #include <dev/ic/interwavereg.h>
  67
  68
  69 int     gus_isapnp_match(device_t, cfdata_t, void *);
  70 void    gus_isapnp_attach(device_t, device_t, void *);
  71 static int     gus_isapnp_open(void *, int);
  72
  73 static const struct audio_hw_if guspnp_hw_if = {
  74         gus_isapnp_open,
  75         iwclose,
  76         NULL,                   /* drain */
  77         iw_query_encoding,
  78         iw_set_params,
  79         iw_round_blocksize,
  80         iw_commit_settings,
  81         iw_init_output,
  82         iw_init_input,
  83         iw_start_output,
  84         iw_start_input,
  85         iw_halt_output,
  86         iw_halt_input,
  87         iw_speaker_ctl,
  88         iw_getdev,
  89         iw_setfd,
  90         iw_set_port,
  91         iw_get_port,
  92         iw_query_devinfo,
  93         iw_malloc,
  94         iw_free,
  95         iw_round_buffersize,
  96         iw_mappage,
  97         iw_get_props,
  98         NULL,                   /* trigger_output */
  99         NULL,                   /* trigger_input */
 100         NULL,                   /* dev_ioctl */
 101         NULL,                   /* powerstate */
 102 };
 103
 104 CFATTACH_DECL(guspnp, sizeof(struct iw_softc),
 105     gus_isapnp_match, gus_isapnp_attach, NULL, NULL);
 106
 107 extern struct cfdriver guspnp_cd;
 108
 109 /*
 110  * Probe / attach routines.
 111  */
 112
 113 /*
 114  * Probe for the guspnp hardware.
 115  *
 116  * The thing has 5 separate devices on the card
 117  */
 118
 119 static int gus_0 = 1;           /* XXX what's this */
 120
 121 int
 122 gus_isapnp_match(device_t parent, cfdata_t match, void *aux)
 123 {
 124         int pri, variant;
 125
 126         pri = isapnp_devmatch(aux, &isapnp_gus_devinfo, &variant);
 127         if (pri && variant > 0)
 128                 pri = 0;
 129         return pri;
 130 }
 131
 132 /*
 133  * Attach hardware to driver, attach hardware driver to audio
 134  * pseudo-device driver.
 135  */
 136 void
 137 gus_isapnp_attach(device_t parent, device_t self, void *aux)
 138 {
 139         struct iw_softc *sc;
 140         struct isapnp_attach_args *ipa;
 141
 142         sc = device_private(self);
 143         ipa = aux;
 144         printf("\n");
 145
 146         if (!gus_0)
 147                 return;
 148         gus_0 = 0;
 149
 150         if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
 151                 aprint_error_dev(&sc->sc_dev, "error in region allocation\n");
 152                 return;
 153         }
 154
 155         sc->sc_iot = ipa->ipa_iot;
 156
 157         /* handle is the region base */
 158
 159         sc->dir_h = 0; /* XXXXX */
 160         sc->p2xr = 0;
 161         sc->p2xr_h = ipa->ipa_io[0].h;
 162         sc->sc_p2xr_ic = ipa->ipa_ic;
 163         sc->p3xr = 0;
 164         sc->p3xr_h = ipa->ipa_io[1].h;
 165         sc->sc_p3xr_ic = ipa->ipa_ic;
 166         sc->codec_index = 0;
 167         sc->codec_index_h = ipa->ipa_io[2].h;
 168         sc->sc_irq = ipa->ipa_irq[0].num;
 169         sc->sc_recdrq = ipa->ipa_drq[0].num;
 170         sc->sc_playdrq = ipa->ipa_drq[1].num;
 171
 172         sc->sc_ic = ipa->ipa_ic;
 173
 174         /*
 175          * Create our DMA maps.
 176          */
 177         if (sc->sc_playdrq != -1) {
 178                 sc->sc_play_maxsize = isa_dmamaxsize(sc->sc_ic,
 179                     sc->sc_playdrq);
 180                 if (isa_drq_alloc(sc->sc_ic, sc->sc_playdrq) != 0) {
 181                         aprint_error_dev(&sc->sc_dev, "can't reserve drq %d\n",
 182                             sc->sc_playdrq);
 183                         return;
 184                 }
 185                 if (isa_dmamap_create(sc->sc_ic, sc->sc_playdrq,
 186                     sc->sc_play_maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) {
 187                         aprint_error_dev(&sc->sc_dev, "can't create map for drq %d\n",
 188                             sc->sc_playdrq);
 189                         return;
 190                 }
 191         }
 192         if (sc->sc_recdrq != -1) {
 193                 sc->sc_rec_maxsize = isa_dmamaxsize(sc->sc_ic,
 194                     sc->sc_recdrq);
 195                 if (isa_drq_alloc(sc->sc_ic, sc->sc_recdrq) != 0) {
 196                         aprint_error_dev(&sc->sc_dev, "can't reserve drq %d\n",
 197                             sc->sc_recdrq);
 198                         return;
 199                 }
 200                 if (isa_dmamap_create(sc->sc_ic, sc->sc_recdrq,
 201                     sc->sc_rec_maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) {
 202                         aprint_error_dev(&sc->sc_dev, "can't create map for drq %d\n",
 203                             sc->sc_recdrq);
 204                         return;
 205                 }
 206         }
 207
 208         /*
 209          * isapnp is a child if isa, and we need isa for the DMA
 210          * routines.
 211          */
 212         sc->iw_cd = &guspnp_cd;
 213         sc->iw_hw_if = &guspnp_hw_if;
 214
 215         printf("%s: %s %s", device_xname(&sc->sc_dev), ipa->ipa_devident,
 216                ipa->ipa_devclass);
 217
 218         iwattach(sc);
 219 }
 220
 221 static int
 222 gus_isapnp_open(void *addr, int flags)
 223 {
 224         /* open hardware */
 225         struct iw_softc *sc;
 226
 227         sc = (struct iw_softc *)addr;
 228         if (!sc)
 229                 return ENXIO;
 230
 231         return iwopen(sc,flags);
 232 }
 233
 234 #endif /* NGUSPNP */