wss_isapnp.c revision 1.7
1 /* $NetBSD: wss_isapnp.c,v 1.7 1999/03/22 09:43:12 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 variant; 84 85 return (isapnp_devmatch(aux, &isapnp_wss_devinfo, &variant)); 86 } 87 88 89 90 /* 91 * Attach hardware to driver, attach hardware driver to audio 92 * pseudo-device driver. 93 */ 94 void 95 wss_isapnp_attach(parent, self, aux) 96 struct device *parent, *self; 97 void *aux; 98 { 99 struct wss_softc *sc = (struct wss_softc *)self; 100 struct ad1848_softc *ac = &sc->sc_ad1848.sc_ad1848; 101 struct isapnp_attach_args *ipa = aux; 102 int variant; 103 104 printf("\n"); 105 106 if (!isapnp_devmatch(aux, &isapnp_wss_devinfo, &variant)) { 107 printf("%s: match failed?\n", self->dv_xname); 108 return; 109 } 110 111 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 112 printf("%s: error in region allocation\n", self->dv_xname); 113 return; 114 } 115 116 switch (variant) { 117 case 1: 118 /* We have to put the chip into `WSS mode'. */ 119 { 120 bus_space_tag_t iot; 121 bus_space_handle_t ioh; 122 123 iot = ipa->ipa_iot; 124 ioh = ipa->ipa_io[0].h; 125 126 while (bus_space_read_1(iot, ioh, 127 SBP_DSP_WSTAT) & SB_DSP_BUSY); 128 bus_space_write_1(iot, ioh, SBP_DSP_WRITE, 0x09); 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, 0x00); 132 while (bus_space_read_1(iot, ioh, 133 SBP_DSP_WSTAT) & SB_DSP_BUSY); 134 135 delay(1000); 136 } 137 138 sc->sc_iot = ipa->ipa_iot; 139 sc->sc_ioh = ipa->ipa_io[2].h; 140 break; 141 142 default: 143 sc->sc_iot = ipa->ipa_iot; 144 sc->sc_ioh = ipa->ipa_io[0].h; 145 break; 146 } 147 148 sc->mad_chip_type = MAD_NONE; 149 150 /* Set up AD1848 I/O handle. */ 151 ac->sc_iot = sc->sc_iot; 152 ac->sc_ioh = sc->sc_ioh; 153 ac->mode = 2; 154 155 sc->sc_ad1848.sc_ic = ipa->ipa_ic; 156 sc->sc_ad1848.sc_iooffs = 0; 157 158 sc->wss_ic = ipa->ipa_ic; 159 sc->wss_irq = ipa->ipa_irq[0].num; 160 sc->wss_playdrq = ipa->ipa_drq[0].num; 161 sc->wss_recdrq = 162 ipa->ipa_ndrq > 1 ? ipa->ipa_drq[1].num : ipa->ipa_drq[0].num; 163 164 if (!ad1848_isa_probe(&sc->sc_ad1848)) { 165 printf("%s: ad1848_probe failed\n", self->dv_xname); 166 return; 167 } 168 169 printf("%s: %s %s", self->dv_xname, ipa->ipa_devident, 170 ipa->ipa_devclass); 171 172 wssattach(sc); 173 } 174
Indexes created Mon Sep 22 21:09:42 GMT 2025