wss_isapnp.c revision 1.8
1 /* $NetBSD: wss_isapnp.c,v 1.8 1999/03/22 10:00:13 mycroft Exp $ */ 2 3 /* 4 * Copyright (c) 1997, 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Lennart Augustsson (augustss (at) netbsd.org). 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/device.h> 42 #include <sys/errno.h> 43 44 #include <machine/bus.h> 45 46 #include <sys/audioio.h> 47 #include <dev/audio_if.h> 48 49 #include <dev/isa/isavar.h> 50 #include <dev/isa/isadmavar.h> 51 52 #include <dev/isapnp/isapnpreg.h> 53 #include <dev/isapnp/isapnpvar.h> 54 #include <dev/isapnp/isapnpdevs.h> 55 56 #include <dev/isa/ad1848var.h> 57 #include <dev/isa/madreg.h> 58 #include <dev/isa/wssreg.h> 59 #include <dev/isa/wssvar.h> 60 #include <dev/isa/sbreg.h> 61 62 int wss_isapnp_match __P((struct device *, struct cfdata *, void *)); 63 void wss_isapnp_attach __P((struct device *, struct device *, void *)); 64 65 struct cfattach wss_isapnp_ca = { 66 sizeof(struct wss_softc), wss_isapnp_match, wss_isapnp_attach 67 }; 68 69 70 /* 71 * Probe / attach routines. 72 */ 73 74 /* 75 * Probe for the WSS hardware. 76 */ 77 int 78 wss_isapnp_match(parent, match, aux) 79 struct device *parent; 80 struct cfdata *match; 81 void *aux; 82 { 83 int pri, variant; 84 85 pri = isapnp_devmatch(aux, &isapnp_wss_devinfo, &variant); 86 if (pri && variant > 1) 87 pri = 0; 88 return (pri); 89 } 90 91 92 93 /* 94 * Attach hardware to driver, attach hardware driver to audio 95 * pseudo-device driver. 96 */ 97 void 98 wss_isapnp_attach(parent, self, aux) 99 struct device *parent, *self; 100 void *aux; 101 { 102 struct wss_softc *sc = (struct wss_softc *)self; 103 struct ad1848_softc *ac = &sc->sc_ad1848.sc_ad1848; 104 struct isapnp_attach_args *ipa = aux; 105 int variant; 106 107 printf("\n"); 108 109 if (!isapnp_devmatch(aux, &isapnp_wss_devinfo, &variant)) { 110 printf("%s: match failed?\n", self->dv_xname); 111 return; 112 } 113 114 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 115 printf("%s: error in region allocation\n", self->dv_xname); 116 return; 117 } 118 119 switch (variant) { 120 case 1: 121 /* We have to put the chip into `WSS mode'. */ 122 { 123 bus_space_tag_t iot; 124 bus_space_handle_t ioh; 125 126 iot = ipa->ipa_iot; 127 ioh = ipa->ipa_io[0].h; 128 129 while (bus_space_read_1(iot, ioh, 130 SBP_DSP_WSTAT) & SB_DSP_BUSY); 131 bus_space_write_1(iot, ioh, SBP_DSP_WRITE, 0x09); 132 while (bus_space_read_1(iot, ioh, 133 SBP_DSP_WSTAT) & SB_DSP_BUSY); 134 bus_space_write_1(iot, ioh, SBP_DSP_WRITE, 0x00); 135 while (bus_space_read_1(iot, ioh, 136 SBP_DSP_WSTAT) & SB_DSP_BUSY); 137 138 delay(1000); 139 } 140 141 sc->sc_iot = ipa->ipa_iot; 142 sc->sc_ioh = ipa->ipa_io[2].h; 143 break; 144 145 default: 146 sc->sc_iot = ipa->ipa_iot; 147 sc->sc_ioh = ipa->ipa_io[0].h; 148 break; 149 } 150 151 sc->mad_chip_type = MAD_NONE; 152 153 /* Set up AD1848 I/O handle. */ 154 ac->sc_iot = sc->sc_iot; 155 ac->sc_ioh = sc->sc_ioh; 156 ac->mode = 2; 157 158 sc->sc_ad1848.sc_ic = ipa->ipa_ic; 159 sc->sc_ad1848.sc_iooffs = 0; 160 161 sc->wss_ic = ipa->ipa_ic; 162 sc->wss_irq = ipa->ipa_irq[0].num; 163 sc->wss_playdrq = ipa->ipa_drq[0].num; 164 sc->wss_recdrq = 165 ipa->ipa_ndrq > 1 ? ipa->ipa_drq[1].num : ipa->ipa_drq[0].num; 166 167 if (!ad1848_isa_probe(&sc->sc_ad1848)) { 168 printf("%s: ad1848_probe failed\n", self->dv_xname); 169 return; 170 } 171 172 printf("%s: %s %s", self->dv_xname, ipa->ipa_devident, 173 ipa->ipa_devclass); 174 175 wssattach(sc); 176 } 177
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