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sb_isa.c revision 1.38.54.2
      1  1.38.54.2     isaki /*	$NetBSD: sb_isa.c,v 1.38.54.2 2019/05/04 07:20:10 isaki Exp $	*/
      2        1.1  christos 
      3        1.1  christos /*
      4        1.1  christos  * Copyright (c) 1991-1993 Regents of the University of California.
      5        1.1  christos  * All rights reserved.
      6        1.1  christos  *
      7        1.1  christos  * Redistribution and use in source and binary forms, with or without
      8        1.1  christos  * modification, are permitted provided that the following conditions
      9        1.1  christos  * are met:
     10        1.1  christos  * 1. Redistributions of source code must retain the above copyright
     11        1.1  christos  *    notice, this list of conditions and the following disclaimer.
     12        1.1  christos  * 2. Redistributions in binary form must reproduce the above copyright
     13        1.1  christos  *    notice, this list of conditions and the following disclaimer in the
     14        1.1  christos  *    documentation and/or other materials provided with the distribution.
     15        1.1  christos  * 3. All advertising materials mentioning features or use of this software
     16        1.1  christos  *    must display the following acknowledgement:
     17        1.1  christos  *	This product includes software developed by the Computer Systems
     18        1.1  christos  *	Engineering Group at Lawrence Berkeley Laboratory.
     19        1.1  christos  * 4. Neither the name of the University nor of the Laboratory may be used
     20        1.1  christos  *    to endorse or promote products derived from this software without
     21        1.1  christos  *    specific prior written permission.
     22        1.1  christos  *
     23        1.1  christos  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24        1.1  christos  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25        1.1  christos  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26        1.1  christos  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27        1.1  christos  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28        1.1  christos  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29        1.1  christos  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30        1.1  christos  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31        1.1  christos  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32        1.1  christos  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33        1.1  christos  * SUCH DAMAGE.
     34        1.1  christos  *
     35        1.1  christos  */
     36       1.24     lukem 
     37       1.24     lukem #include <sys/cdefs.h>
     38  1.38.54.2     isaki __KERNEL_RCSID(0, "$NetBSD: sb_isa.c,v 1.38.54.2 2019/05/04 07:20:10 isaki Exp $");
     39        1.1  christos 
     40        1.1  christos #include <sys/param.h>
     41        1.1  christos #include <sys/systm.h>
     42        1.1  christos #include <sys/errno.h>
     43        1.1  christos #include <sys/ioctl.h>
     44        1.1  christos #include <sys/syslog.h>
     45        1.1  christos #include <sys/device.h>
     46        1.1  christos #include <sys/proc.h>
     47        1.1  christos 
     48       1.35        ad #include <sys/bus.h>
     49        1.7   thorpej 
     50        1.1  christos #include <sys/audioio.h>
     51  1.38.54.2     isaki #include <dev/audio/audio_if.h>
     52       1.19  augustss #include <dev/midi_if.h>
     53        1.1  christos 
     54        1.1  christos #include <dev/isa/isavar.h>
     55        1.1  christos #include <dev/isa/isadmavar.h>
     56        1.1  christos 
     57        1.1  christos #include <dev/isa/sbreg.h>
     58        1.1  christos #include <dev/isa/sbvar.h>
     59        1.1  christos 
     60        1.1  christos #include <dev/isa/sbdspvar.h>
     61        1.1  christos 
     62       1.36      cube static	int sbfind(device_t, struct sbdsp_softc *, int,
     63       1.36      cube 	    struct isa_attach_args *, cfdata_t);
     64       1.11  augustss 
     65       1.36      cube int	sb_isa_match(device_t, cfdata_t, void *);
     66       1.36      cube void	sb_isa_attach(device_t, device_t, void *);
     67        1.1  christos 
     68       1.36      cube CFATTACH_DECL_NEW(sb_isa, sizeof(struct sbdsp_softc),
     69       1.29   thorpej     sb_isa_match, sb_isa_attach, NULL, NULL);
     70        1.1  christos 
     71        1.1  christos /*
     72        1.1  christos  * Probe / attach routines.
     73        1.1  christos  */
     74        1.1  christos 
     75        1.1  christos /*
     76        1.1  christos  * Probe for the soundblaster hardware.
     77        1.1  christos  */
     78        1.1  christos int
     79       1.36      cube sb_isa_match(device_t parent, cfdata_t match, void *aux)
     80        1.1  christos {
     81       1.25   thorpej 	struct isa_attach_args *ia = aux;
     82       1.12  augustss 	struct sbdsp_softc probesc, *sc = &probesc;
     83       1.11  augustss 
     84       1.25   thorpej 	if (ia->ia_nio < 1)
     85       1.25   thorpej 		return (0);
     86       1.25   thorpej 	if (ia->ia_nirq < 1)
     87       1.25   thorpej 		return (0);
     88       1.25   thorpej 	if (ia->ia_ndrq < 1)
     89       1.25   thorpej 		return (0);
     90       1.25   thorpej 
     91       1.25   thorpej 	if (ISA_DIRECT_CONFIG(ia))
     92       1.25   thorpej 		return (0);
     93       1.25   thorpej 
     94       1.23   thorpej 	memset(sc, 0, sizeof *sc);
     95       1.36      cube 	return sbfind(parent, sc, 1, aux, match);
     96       1.11  augustss }
     97       1.11  augustss 
     98       1.11  augustss static int
     99       1.36      cube sbfind(device_t parent, struct sbdsp_softc *sc, int probing,
    100       1.36      cube     struct isa_attach_args *ia, cfdata_t match)
    101       1.11  augustss {
    102       1.11  augustss 	int rc = 0;
    103        1.1  christos 
    104       1.25   thorpej 	if (!SB_BASE_VALID(ia->ia_io[0].ir_addr)) {
    105       1.25   thorpej 		printf("sb: configured iobase 0x%x invalid\n",
    106       1.25   thorpej 		    ia->ia_io[0].ir_addr);
    107        1.1  christos 		return 0;
    108        1.1  christos 	}
    109        1.1  christos 
    110       1.20   mycroft 	sc->sc_ic = ia->ia_ic;
    111       1.20   mycroft 
    112        1.1  christos 	sc->sc_iot = ia->ia_iot;
    113        1.6  augustss 	/* Map i/o space [we map 24 ports which is the max of the sb and pro */
    114       1.25   thorpej 	if (bus_space_map(sc->sc_iot, ia->ia_io[0].ir_addr, SBP_NPORT, 0,
    115       1.22     soren 	    &sc->sc_ioh))
    116        1.1  christos 		return 0;
    117        1.1  christos 
    118       1.20   mycroft 	/* XXX These are only for setting chip configuration registers. */
    119       1.25   thorpej 	sc->sc_iobase = ia->ia_io[0].ir_addr;
    120       1.25   thorpej 	sc->sc_irq = ia->ia_irq[0].ir_irq;
    121       1.20   mycroft 
    122       1.25   thorpej 	sc->sc_drq8 = ia->ia_drq[0].ir_drq;
    123       1.25   thorpej 	sc->sc_drq16 = ia->ia_drq[1].ir_drq;
    124        1.1  christos 
    125       1.36      cube 	if (!sbmatch(sc, probing, match))
    126        1.9  augustss 		goto bad;
    127        1.1  christos 
    128       1.25   thorpej 	rc = 1;
    129       1.14  augustss 
    130       1.25   thorpej 	if (probing) {
    131       1.25   thorpej 		ia->ia_nio = 1;
    132       1.25   thorpej 		if (ISSBPROCLASS(sc))
    133       1.25   thorpej 			ia->ia_io[0].ir_size = SBP_NPORT;
    134       1.25   thorpej 		else
    135       1.25   thorpej 			ia->ia_io[0].ir_size = SB_NPORT;
    136       1.25   thorpej 
    137       1.25   thorpej 		if (!ISSB16CLASS(sc) && sc->sc_model != SB_JAZZ)
    138       1.25   thorpej 			ia->ia_ndrq = 1;
    139       1.25   thorpej 		else
    140       1.25   thorpej 			ia->ia_ndrq = 2;
    141        1.1  christos 
    142       1.25   thorpej 		ia->ia_nirq = 1;
    143       1.25   thorpej 		ia->ia_irq[0].ir_irq = sc->sc_irq;
    144       1.10  augustss 
    145       1.25   thorpej 		ia->ia_niomem = 0;
    146       1.25   thorpej 	}
    147        1.1  christos 
    148        1.9  augustss bad:
    149        1.9  augustss 	bus_space_unmap(sc->sc_iot, sc->sc_ioh, SBP_NPORT);
    150       1.11  augustss 	return rc;
    151        1.1  christos }
    152        1.1  christos 
    153        1.1  christos 
    154        1.1  christos /*
    155        1.1  christos  * Attach hardware to driver, attach hardware driver to audio
    156        1.1  christos  * pseudo-device driver .
    157        1.1  christos  */
    158        1.1  christos void
    159       1.36      cube sb_isa_attach(device_t parent, device_t self, void *aux)
    160        1.1  christos {
    161       1.36      cube 	struct sbdsp_softc *sc = device_private(self);
    162       1.11  augustss 	struct isa_attach_args *ia = aux;
    163        1.7   thorpej 
    164       1.36      cube 	sc->sc_dev = self;
    165       1.36      cube 
    166       1.36      cube 	if (!sbfind(parent, sc, 0, ia, device_cfdata(self)) ||
    167       1.25   thorpej 	    bus_space_map(sc->sc_iot, ia->ia_io[0].ir_addr,
    168       1.25   thorpej 	    ia->ia_io[0].ir_size, 0, &sc->sc_ioh)) {
    169       1.36      cube 		aprint_error_dev(self, "sbfind failed\n");
    170       1.11  augustss 		return;
    171       1.11  augustss 	}
    172       1.20   mycroft 
    173       1.37  jmcneill 	mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
    174       1.38       mrg 	mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
    175       1.37  jmcneill 
    176       1.25   thorpej 	sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq,
    177       1.38       mrg 	    IST_EDGE, IPL_AUDIO, sbdsp_intr, sc);
    178       1.20   mycroft 
    179        1.7   thorpej 	sbattach(sc);
    180        1.1  christos }
    181