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Diffstat (limited to 'sys/dev/isa/ym_isapnp.c')
| -rw-r--r-- | sys/dev/isa/ym_isapnp.c | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/sys/dev/isa/ym_isapnp.c b/sys/dev/isa/ym_isapnp.c new file mode 100644 index 00000000000..b0f41d1affb --- /dev/null +++ b/sys/dev/isa/ym_isapnp.c @@ -0,0 +1,126 @@ +/* $OpenBSD: ym_isapnp.c,v 1.1 1998/05/08 18:37:25 csapuntz Exp $ */ + + +/* + * Copyright (c) 1991-1993 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the Computer Systems + * Engineering Group at Lawrence Berkeley Laboratory. + * 4. Neither the name of the University nor of the Laboratory may be used + * to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + */ + +/* + * Driver for the Yamaha OPL3-SA3 chipset. This is found on many laptops + * and Pentium (II) motherboards. + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/errno.h> +#include <sys/ioctl.h> +#include <sys/syslog.h> +#include <sys/device.h> +#include <sys/proc.h> + +#include <sys/audioio.h> +#include <dev/audio_if.h> + +#include <dev/isa/isavar.h> +#include <dev/isa/isadmavar.h> + +#include <dev/ic/ad1848reg.h> +#include <dev/isa/ad1848var.h> + +#include <dev/ic/cs4231reg.h> +#include <dev/isa/cs4231var.h> + +#include <dev/isa/wssreg.h> +#include <dev/isa/ymvar.h> + +int ym_isapnp_match __P((struct device *, void *, void *)); +void ym_isapnp_attach __P((struct device *, struct device *, void *)); + +struct cfattach ym_isapnp_ca = { + sizeof(struct ym_softc), ym_isapnp_match, ym_isapnp_attach +}; + + +/* + * Probe / attach routines. + */ + +/* + * Probe for the soundblaster hardware. + */ +int +ym_isapnp_match(parent, match, aux) + struct device *parent; + void *match, *aux; +{ + + return 1; +} + +/* + * Attach hardware to driver, attach hardware driver to audio + * pseudo-device driver. + */ +void +ym_isapnp_attach(parent, self, aux) + struct device *parent, *self; + void *aux; +{ + struct ym_softc *sc = (struct ym_softc *)self; + struct isa_attach_args *ia = aux; + + if (ia->ipa_nio < 5) { + printf ("Insufficient I/O ports... not really attached\n"); + return; + } + + sc->sc_iot = ia->ia_iot; + sc->sc_ioh = ia->ipa_io[1].h; + sc->sc_ic = ia->ia_ic; + + sc->ym_irq = ia->ipa_irq[0].num; + sc->ym_drq = ia->ipa_drq[0].num; + sc->ym_recdrq = ia->ipa_drq[1].num; + + sc->sc_controlioh = ia->ipa_io[4].h; + + sc->sc_ad1848.sc_iobase = ia->ipa_io[1].base + WSS_CODEC; + sc->sc_ad1848.sc_isa = parent->dv_parent; + sc->sc_ad1848.sc_iot = sc->sc_iot; + sc->sc_ad1848.sc_iooffs = WSS_CODEC; + sc->sc_ad1848.mode = 2; + sc->sc_ad1848.MCE_bit = MODE_CHANGE_ENABLE; + + ym_attach(sc); +} + |