sys/dev/ofisa/ess_ofisa.c

   1 /*      $NetBSD: ess_ofisa.c,v 1.23 2009/05/12 13:17:15 cegger Exp $    */
   2
   3 /*-
   4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
   9  * NASA Ames Research Center.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  30  * POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #include <sys/cdefs.h>
  34 __KERNEL_RCSID(0, "$NetBSD: ess_ofisa.c,v 1.23 2009/05/12 13:17:15 cegger Exp $");
  35
  36 #include <sys/param.h>
  37 #include <sys/systm.h>
  38 #include <sys/device.h>
  39
  40 #include <sys/bus.h>
  41 #include <sys/intr.h>
  42
  43 #include <sys/audioio.h>
  44 #include <dev/audio_if.h>
  45 #include <dev/mulaw.h>
  46
  47 #include <dev/ofw/openfirm.h>
  48 #include <dev/isa/isavar.h>
  49 #include <dev/ofisa/ofisavar.h>
  50
  51 #include <dev/isa/essreg.h>
  52 #include <dev/isa/essvar.h>
  53
  54 int     ess_ofisa_match(device_t, cfdata_t, void *);
  55 void    ess_ofisa_attach(device_t, device_t, void *);
  56
  57 CFATTACH_DECL(ess_ofisa, sizeof(struct ess_softc),
  58     ess_ofisa_match, ess_ofisa_attach, NULL, NULL);
  59
  60 int
  61 ess_ofisa_match(device_t parent, cfdata_t cf, void *aux)
  62 {
  63         struct ofisa_attach_args *aa = aux;
  64         static const char *const compatible_strings[] = {
  65                 "ESST,es1887-codec",            /* ESS 1887 */
  66                 "ESST,es1888-codec",            /* ESS 1888 */
  67                 "ESST,es888-codec",             /* ESS 888 */
  68                 NULL,
  69         };
  70         int rv = 0;
  71
  72         /* XXX table */
  73         if (of_compatible(aa->oba.oba_phandle, compatible_strings) != -1) {
  74                 rv = 10;
  75         }
  76
  77         return (rv);
  78 }
  79
  80 void
  81 ess_ofisa_attach(device_t parent, device_t self, void *aux)
  82 {
  83         struct ess_softc *sc = device_private(self);
  84         struct ofisa_attach_args *aa = aux;
  85         struct ofisa_reg_desc reg;
  86         struct ofisa_intr_desc intr[2];
  87         struct ofisa_dma_desc dma[2];
  88         int n, ndrq;
  89         char *model;
  90
  91         /*
  92          * We're living on an OFW.  We have to ask the OFW what our
  93          * registers and interrupts properties look like.
  94          *
  95          * We expect:
  96          *
  97          *      1      i/o register region
  98          *      1 or 2 interrupts
  99          *      2      DMA channels
 100          */
 101
 102         n = ofisa_reg_get(aa->oba.oba_phandle, &reg, 1);
 103         if (n != 1) {
 104                 printf(": error getting register data\n");
 105                 return;
 106         }
 107         if (reg.type != OFISA_REG_TYPE_IO) {
 108                 printf(": register type not i/o\n");
 109                 return;
 110         }
 111         if (reg.len != ESS_NPORT) {
 112                 printf(": weird register size (%lu, expected %d)\n",
 113                     (unsigned long)reg.len, ESS_NPORT);
 114                 return;
 115         }
 116
 117         n = ofisa_intr_get(aa->oba.oba_phandle, intr, 2);
 118         if (n == 1) {
 119                 sc->sc_audio1.irq = intr[0].irq;
 120                 sc->sc_audio1.ist = intr[0].share;
 121                 sc->sc_audio2.irq = intr[0].irq;
 122                 sc->sc_audio2.ist = intr[0].share;
 123         } else if (n == 2) {
 124                 sc->sc_audio1.irq = intr[0].irq;
 125                 sc->sc_audio1.ist = intr[0].share;
 126                 sc->sc_audio2.irq = intr[1].irq;
 127                 sc->sc_audio2.ist = intr[1].share;
 128         } else {
 129                 printf(": error getting interrupt data\n");
 130                 return;
 131         }
 132
 133         ndrq = ofisa_dma_get(aa->oba.oba_phandle, dma, 2);
 134         if (ndrq != 2) {
 135                 printf(": error getting DMA data\n");
 136                 return;
 137         }
 138         sc->sc_audio1.drq = dma[0].drq;
 139         sc->sc_audio2.drq = dma[1].drq;
 140
 141         sc->sc_ic = aa->ic;
 142
 143         sc->sc_iot = aa->iot;
 144         sc->sc_iobase = reg.addr;
 145         if (bus_space_map(sc->sc_iot, sc->sc_iobase, reg.len, 0,
 146             &sc->sc_ioh)) {
 147                 printf(": unable to map register space\n");
 148                 return;
 149         }
 150
 151         /*
 152          * The Shark firmware doesn't program the ESS ISA address registers.
 153          * Do that here instead of inside essmatch() since we want to defer
 154          * to the firmware on other platforms.
 155          */
 156         if (ess_config_addr(sc))
 157                 return;
 158         if (essmatch(sc) == 0) {
 159                 printf(": essmatch failed\n");
 160                 return;
 161         }
 162
 163         n = OF_getproplen(aa->oba.oba_phandle, "model");
 164         if (n > 0) {
 165                 model = alloca(n);
 166                 if (OF_getprop(aa->oba.oba_phandle, "model", model, n) == n)
 167                         printf(": %s\n%s", model, device_xname(&sc->sc_dev));
 168         }
 169
 170         essattach(sc, 0);
 171 }