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sb_isapnp.c revision 1.46
      1 /*	$NetBSD: sb_isapnp.c,v 1.46 2006/04/13 00:30:20 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1991-1993 Regents of the University of California.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the Computer Systems
     18  *	Engineering Group at Lawrence Berkeley Laboratory.
     19  * 4. Neither the name of the University nor of the Laboratory may be used
     20  *    to endorse or promote products derived from this software without
     21  *    specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  *
     35  */
     36 
     37 #include <sys/cdefs.h>
     38 __KERNEL_RCSID(0, "$NetBSD: sb_isapnp.c,v 1.46 2006/04/13 00:30:20 christos Exp $");
     39 
     40 #include <sys/param.h>
     41 #include <sys/systm.h>
     42 #include <sys/errno.h>
     43 #include <sys/ioctl.h>
     44 #include <sys/syslog.h>
     45 #include <sys/device.h>
     46 #include <sys/proc.h>
     47 
     48 #include <machine/bus.h>
     49 
     50 #include <sys/audioio.h>
     51 #include <dev/audio_if.h>
     52 #include <dev/midi_if.h>
     53 #include <dev/mulaw.h>
     54 
     55 #include <dev/isa/isavar.h>
     56 #include <dev/isa/isadmavar.h>
     57 
     58 #include <dev/isapnp/isapnpreg.h>
     59 #include <dev/isapnp/isapnpvar.h>
     60 #include <dev/isapnp/isapnpdevs.h>
     61 
     62 #include <dev/isa/sbreg.h>
     63 #include <dev/isa/sbvar.h>
     64 #include <dev/isa/sbdspvar.h>
     65 
     66 int	sb_isapnp_match(struct device *, struct cfdata *, void *);
     67 void	sb_isapnp_attach(struct device *, struct device *, void *);
     68 
     69 CFATTACH_DECL(sb_isapnp, sizeof(struct sbdsp_softc),
     70     sb_isapnp_match, sb_isapnp_attach, NULL, NULL);
     71 
     72 /*
     73  * Probe / attach routines.
     74  */
     75 
     76 /*
     77  * Probe for the soundblaster hardware.
     78  */
     79 int
     80 sb_isapnp_match(struct device *parent, struct cfdata *match, void *aux)
     81 {
     82 	int pri, variant;
     83 
     84 	pri = isapnp_devmatch(aux, &isapnp_sb_devinfo, &variant);
     85 	if (pri && variant > 0)
     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 sb_isapnp_attach(struct device *parent, struct device *self, void *aux)
     96 {
     97 	struct sbdsp_softc *sc;
     98 	struct isapnp_attach_args *ipa;
     99 
    100 	sc = device_private(self);
    101 	ipa = aux;
    102 	printf("\n");
    103 
    104 	/*
    105 	 * Avance logic ALS100+ does not like being frobbed
    106 	 * trying to set irq/drq so set that quirk skip over it
    107 	 */
    108 	if(!strcmp(ipa->ipa_devlogic, "@@@1001"))
    109 		sc->sc_quirks = SB_QUIRK_NO_INIT_DRQ;
    110 
    111 	if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
    112 		printf("%s: error in region allocation\n",
    113 		       sc->sc_dev.dv_xname);
    114 		return;
    115 	}
    116 
    117 	sc->sc_ic = ipa->ipa_ic;
    118 
    119 	sc->sc_iot = ipa->ipa_iot;
    120 	sc->sc_ioh = ipa->ipa_io[0].h;
    121 
    122 	/* XXX These are only for setting chip configuration registers. */
    123 	sc->sc_iobase = ipa->ipa_io[0].base;
    124 	sc->sc_irq = ipa->ipa_irq[0].num;
    125 
    126 	sc->sc_drq8 = ipa->ipa_drq[0].num;
    127 	if (ipa->ipa_ndrq > 1 && ipa->ipa_drq[0].num != ipa->ipa_drq[1].num) {
    128 		/* Some cards have the 16 bit drq first */
    129 		if (sc->sc_drq8 >= 4) {
    130 			sc->sc_drq16 = sc->sc_drq8;
    131 			sc->sc_drq8 = ipa->ipa_drq[1].num;
    132 		} else
    133 			sc->sc_drq16 = ipa->ipa_drq[1].num;
    134 	} else
    135 		sc->sc_drq16 = -1;
    136 
    137 #if NMPU > 0
    138 	/*
    139 	 * Aztech 1020 don't store information about it's mpu in io[1]
    140 	 * It has a seperate pnpdev for the mpu
    141 	 */
    142 	if (strcmp(ipa->ipa_devlogic, "AZT1016") == 0)
    143 		sc->sc_hasmpu = -1;
    144 	else if (ipa->ipa_nio > 1) {
    145 		sc->sc_hasmpu = 1;
    146 		sc->sc_mpu_iot = ipa->ipa_iot;
    147 		sc->sc_mpu_ioh = ipa->ipa_io[1].h;
    148 	}
    149 #endif
    150 
    151 	if (!sbmatch(sc)) {
    152 		printf("%s: sbmatch failed\n", sc->sc_dev.dv_xname);
    153 		return;
    154 	}
    155 
    156 	sc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
    157 	    ipa->ipa_irq[0].type, IPL_AUDIO, sbdsp_intr, sc);
    158 
    159 	printf("%s: %s %s", sc->sc_dev.dv_xname, ipa->ipa_devident,
    160 	       ipa->ipa_devclass);
    161 
    162 	sbattach(sc);
    163 }
    164