wss_isapnp.c revision 1.20
1 /* $NetBSD: wss_isapnp.c,v 1.20 2006/11/16 01:33:05 christos 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/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: wss_isapnp.c,v 1.20 2006/11/16 01:33:05 christos Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/device.h> 45 #include <sys/errno.h> 46 47 #include <machine/bus.h> 48 49 #include <sys/audioio.h> 50 #include <dev/audio_if.h> 51 52 #include <dev/isa/isavar.h> 53 #include <dev/isa/isadmavar.h> 54 55 #include <dev/isapnp/isapnpreg.h> 56 #include <dev/isapnp/isapnpvar.h> 57 #include <dev/isapnp/isapnpdevs.h> 58 59 #include <dev/isa/ad1848var.h> 60 #include <dev/isa/madreg.h> 61 #include <dev/isa/wssreg.h> 62 #include <dev/isa/wssvar.h> 63 #include <dev/isa/sbreg.h> 64 65 int wss_isapnp_match(struct device *, struct cfdata *, void *); 66 void wss_isapnp_attach(struct device *, struct device *, void *); 67 68 CFATTACH_DECL(wss_isapnp, sizeof(struct wss_softc), 69 wss_isapnp_match, wss_isapnp_attach, NULL, NULL); 70 71 /* 72 * Probe / attach routines. 73 */ 74 75 /* 76 * Probe for the WSS hardware. 77 */ 78 int 79 wss_isapnp_match(struct device *parent, struct cfdata *match, 80 void *aux) 81 { 82 int pri, variant; 83 84 pri = isapnp_devmatch(aux, &isapnp_wss_devinfo, &variant); 85 if (pri && variant > 1) 86 pri = 0; 87 return pri; 88 } 89 90 /* 91 * Attach hardware to driver, attach hardware driver to audio 92 * pseudo-device driver. 93 */ 94 void 95 wss_isapnp_attach(struct device *parent, struct device *self, 96 void *aux) 97 { 98 struct wss_softc *sc; 99 struct ad1848_softc *ac; 100 struct isapnp_attach_args *ipa; 101 int variant; 102 103 sc = device_private(self); 104 ac = &sc->sc_ad1848.sc_ad1848; 105 ipa = aux; 106 printf("\n"); 107 108 if (!isapnp_devmatch(aux, &isapnp_wss_devinfo, &variant)) { 109 printf("%s: match failed?\n", self->dv_xname); 110 return; 111 } 112 113 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 114 printf("%s: error in region allocation\n", self->dv_xname); 115 return; 116 } 117 118 switch (variant) { 119 case 1: 120 /* We have to put the chip into `WSS mode'. */ 121 { 122 bus_space_tag_t iot; 123 bus_space_handle_t ioh; 124 125 iot = ipa->ipa_iot; 126 ioh = ipa->ipa_io[0].h; 127 128 while (bus_space_read_1(iot, ioh, 129 SBP_DSP_WSTAT) & SB_DSP_BUSY); 130 bus_space_write_1(iot, ioh, SBP_DSP_WRITE, 0x09); 131 while (bus_space_read_1(iot, ioh, 132 SBP_DSP_WSTAT) & SB_DSP_BUSY); 133 bus_space_write_1(iot, ioh, SBP_DSP_WRITE, 0x00); 134 while (bus_space_read_1(iot, ioh, 135 SBP_DSP_WSTAT) & SB_DSP_BUSY); 136 137 delay(1000); 138 } 139 140 sc->sc_iot = ipa->ipa_iot; 141 sc->sc_ioh = ipa->ipa_io[2].h; 142 break; 143 144 default: 145 sc->sc_iot = ipa->ipa_iot; 146 sc->sc_ioh = ipa->ipa_io[0].h; 147 break; 148 } 149 150 sc->mad_chip_type = MAD_NONE; 151 152 /* Set up AD1848 I/O handle. */ 153 ac->sc_iot = sc->sc_iot; 154 ac->sc_ioh = sc->sc_ioh; 155 ac->mode = 2; 156 157 sc->sc_ad1848.sc_ic = ipa->ipa_ic; 158 159 sc->wss_ic = ipa->ipa_ic; 160 sc->wss_irq = ipa->ipa_irq[0].num; 161 sc->wss_playdrq = ipa->ipa_drq[0].num; 162 sc->wss_recdrq = 163 ipa->ipa_ndrq > 1 ? ipa->ipa_drq[1].num : ipa->ipa_drq[0].num; 164 165 if (!ad1848_isa_probe(&sc->sc_ad1848)) { 166 printf("%s: ad1848_probe failed\n", self->dv_xname); 167 return; 168 } 169 170 printf("%s: %s %s", self->dv_xname, ipa->ipa_devident, 171 ipa->ipa_devclass); 172 173 wssattach(sc); 174 175 /* set up OPL I/O handle for ISAPNP boards w/o MAD */ 176 if (ipa->ipa_nio > 1 && sc->mad_chip_type == MAD_NONE) { 177 struct audio_attach_args arg; 178 179 sc->sc_opl_ioh = ipa->ipa_io[1].h; 180 181 arg.type = AUDIODEV_TYPE_OPL; 182 arg.hwif = 0; 183 arg.hdl = 0; 184 (void)config_found(&ac->sc_dev, &arg, audioprint); 185 } 186 } 187
Indexes created Wed Sep 24 15:09:51 GMT 2025