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mpu_isapnp.c revision 1.20
      1  1.20  jakllsch /*	$NetBSD: mpu_isapnp.c,v 1.20 2011/12/07 17:35:01 jakllsch Exp $	*/
      2   1.5     lukem 
      3   1.5     lukem #include <sys/cdefs.h>
      4  1.20  jakllsch __KERNEL_RCSID(0, "$NetBSD: mpu_isapnp.c,v 1.20 2011/12/07 17:35:01 jakllsch Exp $");
      5   1.5     lukem 
      6   1.1   mycroft #include "midi.h"
      7   1.1   mycroft 
      8   1.1   mycroft #include <sys/param.h>
      9   1.1   mycroft #include <sys/systm.h>
     10   1.1   mycroft #include <sys/errno.h>
     11   1.1   mycroft #include <sys/ioctl.h>
     12   1.1   mycroft #include <sys/syslog.h>
     13   1.1   mycroft #include <sys/device.h>
     14   1.1   mycroft #include <sys/proc.h>
     15  1.16        ad #include <sys/bus.h>
     16  1.18  jmcneill #include <sys/audioio.h>
     17   1.1   mycroft 
     18   1.1   mycroft #include <dev/audio_if.h>
     19   1.1   mycroft #include <dev/midi_if.h>
     20   1.1   mycroft #include <dev/mulaw.h>
     21   1.1   mycroft 
     22   1.1   mycroft #include <dev/isa/isavar.h>
     23   1.1   mycroft #include <dev/isa/isadmavar.h>
     24   1.1   mycroft 
     25   1.1   mycroft #include <dev/isapnp/isapnpreg.h>
     26   1.1   mycroft #include <dev/isapnp/isapnpvar.h>
     27   1.1   mycroft #include <dev/isapnp/isapnpdevs.h>
     28   1.1   mycroft 
     29   1.4  augustss #include <dev/ic/mpuvar.h>
     30   1.1   mycroft 
     31  1.17   xtraeme static int	mpu_isapnp_match(device_t, cfdata_t, void *);
     32  1.17   xtraeme static void	mpu_isapnp_attach(device_t, device_t, void *);
     33   1.1   mycroft 
     34   1.1   mycroft struct mpu_isapnp_softc {
     35   1.1   mycroft 	void *sc_ih;
     36  1.18  jmcneill 	kmutex_t sc_lock;
     37   1.1   mycroft 
     38   1.1   mycroft 	struct mpu_softc sc_mpu;
     39   1.1   mycroft };
     40   1.1   mycroft 
     41  1.17   xtraeme CFATTACH_DECL_NEW(mpu_isapnp, sizeof(struct mpu_isapnp_softc),
     42   1.8   thorpej     mpu_isapnp_match, mpu_isapnp_attach, NULL, NULL);
     43   1.1   mycroft 
     44  1.17   xtraeme static int
     45  1.17   xtraeme mpu_isapnp_match(device_t parent, cfdata_t match, void *aux)
     46   1.1   mycroft {
     47   1.3   mycroft 	int pri, variant;
     48   1.2   mycroft 
     49   1.3   mycroft 	pri = isapnp_devmatch(aux, &isapnp_mpu_devinfo, &variant);
     50   1.3   mycroft 	if (pri && variant > 0)
     51   1.3   mycroft 		pri = 0;
     52  1.17   xtraeme 	return pri;
     53   1.1   mycroft }
     54   1.1   mycroft 
     55  1.17   xtraeme static void
     56  1.17   xtraeme mpu_isapnp_attach(device_t parent, device_t self, void *aux)
     57   1.1   mycroft {
     58  1.12   thorpej 	struct mpu_isapnp_softc *sc = device_private(self);
     59   1.1   mycroft 	struct isapnp_attach_args *ipa = aux;
     60   1.1   mycroft 
     61  1.17   xtraeme 	aprint_normal("\n");
     62   1.1   mycroft 
     63   1.1   mycroft 	if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
     64  1.17   xtraeme 		aprint_error_dev(self, "error in region allocation\n");
     65   1.1   mycroft 		return;
     66   1.1   mycroft 	}
     67   1.1   mycroft 
     68  1.19       mrg 	mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_AUDIO);
     69  1.18  jmcneill 
     70   1.1   mycroft 	sc->sc_mpu.iot = ipa->ipa_iot;
     71   1.1   mycroft 	sc->sc_mpu.ioh = ipa->ipa_io[0].h;
     72  1.18  jmcneill 	sc->sc_mpu.lock = &sc->sc_lock;
     73   1.1   mycroft 
     74  1.20  jakllsch 	mutex_enter(&sc->sc_lock);
     75  1.20  jakllsch 
     76   1.1   mycroft 	if (!mpu_find(&sc->sc_mpu)) {
     77  1.17   xtraeme 		aprint_error_dev(self, "find failed\n");
     78  1.20  jakllsch 		mutex_exit(&sc->sc_lock);
     79  1.18  jmcneill 		mutex_destroy(&sc->sc_lock);
     80   1.1   mycroft 		return;
     81   1.1   mycroft 	}
     82   1.1   mycroft 
     83  1.20  jakllsch 	mutex_exit(&sc->sc_lock);
     84  1.20  jakllsch 
     85  1.17   xtraeme 	aprint_normal_dev(self, "%s %s\n", ipa->ipa_devident,
     86   1.1   mycroft 	       ipa->ipa_devclass);
     87   1.1   mycroft 
     88  1.13  christos 	sc->sc_mpu.model = "Roland MPU-401 MIDI UART";
     89  1.13  christos 
     90  1.17   xtraeme 	midi_attach_mi(&mpu_midi_hw_if, &sc->sc_mpu, self);
     91   1.1   mycroft 
     92   1.1   mycroft 	sc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
     93  1.19       mrg 	    ipa->ipa_irq[0].type, IPL_AUDIO, mpu_intr, &sc->sc_mpu);
     94   1.1   mycroft }
     95