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      1 /* $NetBSD: sb_pnpbios.c,v 1.18 2019/05/08 13:40:15 isaki Exp $ */
      2 /*
      3  * Copyright (c) 1999
      4  * 	Matthias Drochner.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions, and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     25  * SUCH DAMAGE.
     26  */
     27 
     28 #include <sys/cdefs.h>
     29 __KERNEL_RCSID(0, "$NetBSD: sb_pnpbios.c,v 1.18 2019/05/08 13:40:15 isaki Exp $");
     30 
     31 #include <sys/param.h>
     32 #include <sys/systm.h>
     33 #include <sys/errno.h>
     34 #include <sys/ioctl.h>
     35 #include <sys/syslog.h>
     36 #include <sys/device.h>
     37 #include <sys/proc.h>
     38 
     39 #include <sys/bus.h>
     40 
     41 #include <sys/audioio.h>
     42 #include <dev/audio/audio_if.h>
     43 #include <dev/midi_if.h>
     44 
     45 #include <dev/isa/isavar.h>
     46 #include <dev/isa/isadmavar.h>
     47 
     48 #include <i386/pnpbios/pnpbiosvar.h>
     49 
     50 #include <dev/isa/sbreg.h>
     51 #include <dev/isa/sbvar.h>
     52 
     53 #include <dev/isa/sbdspvar.h>
     54 
     55 int sb_pnpbios_match(device_t, cfdata_t, void *);
     56 void sb_pnpbios_attach(device_t, device_t, void *);
     57 
     58 CFATTACH_DECL_NEW(sb_pnpbios, sizeof(struct sbdsp_softc),
     59     sb_pnpbios_match, sb_pnpbios_attach, NULL, NULL);
     60 
     61 int
     62 sb_pnpbios_match(device_t parent, cfdata_t match, void *aux)
     63 {
     64 	struct pnpbiosdev_attach_args *aa = aux;
     65 
     66 	if (strcmp(aa->idstr, "NMX2210") &&
     67 	    strcmp(aa->idstr, "CRX0002"))	/* Cyrix XpressAudio */
     68 		return (0);
     69 
     70 	return (1);
     71 }
     72 
     73 void
     74 sb_pnpbios_attach(device_t parent, device_t self, void *aux)
     75 {
     76 	struct sbdsp_softc *sc = device_private(self);
     77 	struct pnpbiosdev_attach_args *aa = aux;
     78 
     79 	sc->sc_dev = self;
     80 	if (pnpbios_io_map(aa->pbt, aa->resc, 0, &sc->sc_iot, &sc->sc_ioh)) {
     81 		aprint_error(": can't map i/o space\n");
     82 		return;
     83 	}
     84 
     85 	sc->sc_ic = aa->ic;
     86 
     87 	/* XXX These are only for setting chip configuration registers. */
     88 	pnpbios_getiobase(aa->pbt, aa->resc, 0, 0, &sc->sc_iobase);
     89 
     90 	if (pnpbios_getirqnum(aa->pbt, aa->resc, 0, &sc->sc_irq, NULL)) {
     91 		aprint_error(": can't get IRQ\n");
     92 		return;
     93 	}
     94 
     95 	if (pnpbios_getdmachan(aa->pbt, aa->resc, 0, &sc->sc_drq8)) {
     96 		aprint_error(": can't get DMA channel\n");
     97 		return;
     98 	}
     99 	if (pnpbios_getdmachan(aa->pbt, aa->resc, 1, &sc->sc_drq16))
    100 		sc->sc_drq16 = -1;
    101 
    102 	aprint_normal("\n");
    103 	pnpbios_print_devres(self, aa);
    104 
    105 	aprint_normal("%s", device_xname(self));
    106 
    107 	if (!sbmatch(sc, 0, device_cfdata(self))) {
    108 		aprint_error_dev(self, "sbmatch failed\n");
    109 		return;
    110 	}
    111 
    112 	sc->sc_ih = pnpbios_intr_establish(aa->pbt, aa->resc, 0, IPL_AUDIO,
    113 					   sbdsp_intr, sc);
    114 
    115 	sbattach(sc);
    116 }
    117