92 lines
2.9 KiB
C
92 lines
2.9 KiB
C
/* $NetBSD: deq.c,v 1.3 2007/01/17 23:05:49 macallan Exp $ */
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/*-
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* Copyright (C) 2005 Michael Lorenz
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* a dummy device to attach to OF's deq node marking the TAS3004 audio mixer /
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* equalizer chip, needed by snapper
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: deq.c,v 1.3 2007/01/17 23:05:49 macallan Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <uvm/uvm_extern.h>
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#include <dev/ofw/openfirm.h>
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#include <dev/i2c/i2cvar.h>
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#include <machine/autoconf.h>
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#include <macppc/dev/ki2cvar.h>
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#include <macppc/dev/deqvar.h>
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static void deq_attach(struct device *, struct device *, void *);
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static int deq_match(struct device *, struct cfdata *, void *);
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CFATTACH_DECL(deq, sizeof(struct deq_softc),
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deq_match, deq_attach, NULL, NULL);
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int
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deq_match(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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void *aux;
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{
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struct ki2c_confargs *ka = aux;
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char compat[32];
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if (strcmp(ka->ka_name, "deq") != 0)
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return 0;
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memset(compat, 0, sizeof(compat));
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if(OF_getprop(ka->ka_node, "i2c-address", compat, sizeof(compat)))
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return 1;
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return 0;
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}
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void
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deq_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct deq_softc *sc = (struct deq_softc *)self;
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struct ki2c_confargs *ka = aux;
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int node;
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node = ka->ka_node;
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sc->sc_node = node;
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sc->sc_parent = parent;
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sc->sc_address = ka->ka_addr & 0xfe;
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sc->sc_i2c = ka->ka_tag;
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printf(" Apple Digital Equalizer, addr 0x%x\n", sc->sc_address);
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}
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