wss_isapnp.c revision 1.22.4.1
1 /* $NetBSD: wss_isapnp.c,v 1.22.4.1 2008/05/16 02:24:33 yamt 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: wss_isapnp.c,v 1.22.4.1 2008/05/16 02:24:33 yamt Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/device.h> 38 #include <sys/errno.h> 39 40 #include <sys/bus.h> 41 42 #include <sys/audioio.h> 43 #include <dev/audio_if.h> 44 45 #include <dev/isa/isavar.h> 46 #include <dev/isa/isadmavar.h> 47 48 #include <dev/isapnp/isapnpreg.h> 49 #include <dev/isapnp/isapnpvar.h> 50 #include <dev/isapnp/isapnpdevs.h> 51 52 #include <dev/isa/ad1848var.h> 53 #include <dev/isa/madreg.h> 54 #include <dev/isa/wssreg.h> 55 #include <dev/isa/wssvar.h> 56 #include <dev/isa/sbreg.h> 57 58 int wss_isapnp_match(struct device *, struct cfdata *, void *); 59 void wss_isapnp_attach(struct device *, struct device *, void *); 60 61 CFATTACH_DECL(wss_isapnp, sizeof(struct wss_softc), 62 wss_isapnp_match, wss_isapnp_attach, NULL, NULL); 63 64 /* 65 * Probe / attach routines. 66 */ 67 68 /* 69 * Probe for the WSS hardware. 70 */ 71 int 72 wss_isapnp_match(struct device *parent, struct cfdata *match, 73 void *aux) 74 { 75 int pri, variant; 76 77 pri = isapnp_devmatch(aux, &isapnp_wss_devinfo, &variant); 78 if (pri && variant > 1) 79 pri = 0; 80 return pri; 81 } 82 83 /* 84 * Attach hardware to driver, attach hardware driver to audio 85 * pseudo-device driver. 86 */ 87 void 88 wss_isapnp_attach(struct device *parent, struct device *self, 89 void *aux) 90 { 91 struct wss_softc *sc; 92 struct ad1848_softc *ac; 93 struct isapnp_attach_args *ipa; 94 int variant; 95 96 sc = device_private(self); 97 ac = &sc->sc_ad1848.sc_ad1848; 98 ipa = aux; 99 printf("\n"); 100 101 if (!isapnp_devmatch(aux, &isapnp_wss_devinfo, &variant)) { 102 aprint_error_dev(self, "match failed?\n"); 103 return; 104 } 105 106 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 107 aprint_error_dev(self, "error in region allocation\n"); 108 return; 109 } 110 111 switch (variant) { 112 case 1: 113 /* We have to put the chip into `WSS mode'. */ 114 { 115 bus_space_tag_t iot; 116 bus_space_handle_t ioh; 117 118 iot = ipa->ipa_iot; 119 ioh = ipa->ipa_io[0].h; 120 121 while (bus_space_read_1(iot, ioh, 122 SBP_DSP_WSTAT) & SB_DSP_BUSY); 123 bus_space_write_1(iot, ioh, SBP_DSP_WRITE, 0x09); 124 while (bus_space_read_1(iot, ioh, 125 SBP_DSP_WSTAT) & SB_DSP_BUSY); 126 bus_space_write_1(iot, ioh, SBP_DSP_WRITE, 0x00); 127 while (bus_space_read_1(iot, ioh, 128 SBP_DSP_WSTAT) & SB_DSP_BUSY); 129 130 delay(1000); 131 } 132 133 sc->sc_iot = ipa->ipa_iot; 134 sc->sc_ioh = ipa->ipa_io[2].h; 135 break; 136 137 default: 138 sc->sc_iot = ipa->ipa_iot; 139 sc->sc_ioh = ipa->ipa_io[0].h; 140 break; 141 } 142 143 sc->mad_chip_type = MAD_NONE; 144 145 /* Set up AD1848 I/O handle. */ 146 ac->sc_iot = sc->sc_iot; 147 ac->sc_ioh = sc->sc_ioh; 148 ac->mode = 2; 149 150 sc->sc_ad1848.sc_ic = ipa->ipa_ic; 151 152 sc->wss_ic = ipa->ipa_ic; 153 sc->wss_irq = ipa->ipa_irq[0].num; 154 sc->wss_playdrq = ipa->ipa_drq[0].num; 155 sc->wss_recdrq = 156 ipa->ipa_ndrq > 1 ? ipa->ipa_drq[1].num : ipa->ipa_drq[0].num; 157 158 if (!ad1848_isa_probe(&sc->sc_ad1848)) { 159 aprint_error_dev(self, "ad1848_probe failed\n"); 160 return; 161 } 162 163 aprint_error_dev(self, "%s %s", ipa->ipa_devident, 164 ipa->ipa_devclass); 165 166 wssattach(sc); 167 168 /* set up OPL I/O handle for ISAPNP boards w/o MAD */ 169 if (ipa->ipa_nio > 1 && sc->mad_chip_type == MAD_NONE) { 170 struct audio_attach_args arg; 171 172 sc->sc_opl_ioh = ipa->ipa_io[1].h; 173 174 arg.type = AUDIODEV_TYPE_OPL; 175 arg.hwif = 0; 176 arg.hdl = 0; 177 (void)config_found(&ac->sc_dev, &arg, audioprint); 178 } 179 } 180
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