FreeBSD/Linux Kernel Cross Reference
sys/dev/isapnp/sb_isapnp.c

     /*      $NetBSD: sb_isapnp.c,v 1.41 2002/10/02 16:34:04 thorpej 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.
     *
     */
    
    #include <sys/cdefs.h>
    __KERNEL_RCSID(0, "$NetBSD: sb_isapnp.c,v 1.41 2002/10/02 16:34:04 thorpej Exp $");
    
    #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 <machine/bus.h>
    
    #include <sys/audioio.h>
    #include <dev/audio_if.h>
    #include <dev/midi_if.h>
    #include <dev/mulaw.h>
    
    #include <dev/isa/isavar.h>
    #include <dev/isa/isadmavar.h>
    
    #include <dev/isapnp/isapnpreg.h>
    #include <dev/isapnp/isapnpvar.h>
    #include <dev/isapnp/isapnpdevs.h>
    
    #include <dev/isa/sbreg.h>
    #include <dev/isa/sbvar.h>
    #include <dev/isa/sbdspvar.h>
    
    int     sb_isapnp_match __P((struct device *, struct cfdata *, void *));
    void    sb_isapnp_attach __P((struct device *, struct device *, void *));
    
    CFATTACH_DECL(sb_isapnp, sizeof(struct sbdsp_softc),
        sb_isapnp_match, sb_isapnp_attach, NULL, NULL);
    
    /*
     * Probe / attach routines.
     */
    
    /*
     * Probe for the soundblaster hardware.
     */
    int
    sb_isapnp_match(parent, match, aux)
            struct device *parent;
            struct cfdata *match;
            void *aux;
    {
            int pri, variant;
    
            pri = isapnp_devmatch(aux, &isapnp_sb_devinfo, &variant);
            if (pri && variant > 0)
                    pri = 0;
            return (pri);
    }
    
    
    /*
     * Attach hardware to driver, attach hardware driver to audio
     * pseudo-device driver.
     */
    void
    sb_isapnp_attach(parent, self, aux)
           struct device *parent, *self;
           void *aux;
   {
           struct sbdsp_softc *sc = (struct sbdsp_softc *)self;
           struct isapnp_attach_args *ipa = aux;
   
           printf("\n");
   
           /* Avance logic ALS100+ does not like being frobbed 
              trying to set irq/drq so set that quirk skip over it */
           if(!strcmp(ipa->ipa_devlogic, "@@@1001"))
                   sc->sc_quirks = SB_QUIRK_NO_INIT_DRQ;
   
           if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
                   printf("%s: error in region allocation\n", 
                          sc->sc_dev.dv_xname);
                   return;
           }
   
           sc->sc_ic = ipa->ipa_ic;
   
           sc->sc_iot = ipa->ipa_iot;
           sc->sc_ioh = ipa->ipa_io[0].h;
   
           /* XXX These are only for setting chip configuration registers. */
           sc->sc_iobase = ipa->ipa_io[0].base;
           sc->sc_irq = ipa->ipa_irq[0].num;
   
           sc->sc_drq8 = ipa->ipa_drq[0].num;
           if (ipa->ipa_ndrq > 1 && ipa->ipa_drq[0].num != ipa->ipa_drq[1].num) {
                   /* Some cards have the 16 bit drq first */
                   if (sc->sc_drq8 >= 4) {
                           sc->sc_drq16 = sc->sc_drq8;
                           sc->sc_drq8 = ipa->ipa_drq[1].num;
                   } else
                           sc->sc_drq16 = ipa->ipa_drq[1].num;
           } else
                   sc->sc_drq16 = ISACF_DRQ_DEFAULT;
   
   #if NMPU > 0
           if (ipa->ipa_nio > 1) {
                   sc->sc_hasmpu = 1;
                   sc->sc_mpu_iot = ipa->ipa_iot;
                   sc->sc_mpu_ioh = ipa->ipa_io[1].h;
           }
   #endif
   
           if (!sbmatch(sc)) {
                   printf("%s: sbmatch failed\n", sc->sc_dev.dv_xname);
                   return;
           }
   
           sc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
               ipa->ipa_irq[0].type, IPL_AUDIO, sbdsp_intr, sc);
   
           printf("%s: %s %s", sc->sc_dev.dv_xname, ipa->ipa_devident,
                  ipa->ipa_devclass);
   
           sbattach(sc);
   }

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