52a2804a5c
the maximum transfer size for the specified DMA channel. Make all clients of ISA DMA use this call to determine their maximum transfer size.
128 lines
5.6 KiB
C
128 lines
5.6 KiB
C
/* $NetBSD: ad1848var.h,v 1.32 2000/02/07 22:07:30 thorpej Exp $ */
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/*-
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* Copyright (c) 1999 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Ken Hornstein and John Kohl.
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1994 John Brezak
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* Copyright (c) 1991-1993 Regents of the University of California.
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* All rights reserved.
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the Computer Systems
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* Engineering Group at Lawrence Berkeley Laboratory.
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* 4. Neither the name of the University nor of the Laboratory may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#define AD1848_NPORT 4
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#include <dev/ic/ad1848var.h>
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struct ad1848_isa_softc {
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struct ad1848_softc sc_ad1848; /* AD1848 device */
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void *sc_ih; /* interrupt vectoring */
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isa_chipset_tag_t sc_ic; /* ISA chipset info */
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char sc_playrun; /* running in continuous mode */
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char sc_recrun; /* running in continuous mode */
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int sc_irq; /* interrupt */
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int sc_playdrq; /* playback DMA */
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bus_size_t sc_play_maxsize; /* playback DMA size */
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int sc_recdrq; /* record/capture DMA */
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bus_size_t sc_rec_maxsize; /* record/capture DMA size */
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u_long sc_interrupts; /* number of interrupts taken */
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void (*sc_intr)(void *); /* dma completion intr handler */
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void *sc_arg; /* arg for sc_intr() */
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/* Only used by pss XXX */
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int sc_iobase;
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#ifndef AUDIO_NO_POWER_CTL
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int (*powerctl)__P((void *, int));
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void *powerarg;
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#endif
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};
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#ifdef _KERNEL
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int ad1848_isa_mapprobe __P((struct ad1848_isa_softc *, int));
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int ad1848_isa_probe __P((struct ad1848_isa_softc *));
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void ad1848_isa_unmap __P((struct ad1848_isa_softc *));
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void ad1848_isa_attach __P((struct ad1848_isa_softc *));
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int ad1848_isa_open __P((void *, int));
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void ad1848_isa_close __P((void *));
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int ad1848_isa_trigger_output __P((void *, void *, void *, int,
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void (*)(void *), void *, struct audio_params *));
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int ad1848_isa_trigger_input __P((void *, void *, void *, int,
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void (*)(void *), void *, struct audio_params *));
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int ad1848_isa_halt_output __P((void *));
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int ad1848_isa_halt_input __P((void *));
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int ad1848_isa_intr __P((void *));
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void *ad1848_isa_malloc __P((void *, int, size_t, int, int));
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void ad1848_isa_free __P((void *, void *, int));
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size_t ad1848_isa_round_buffersize __P((void *, int, size_t));
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int ad1848_isa_mappage __P((void *, void *, int, int));
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int ad1848_isa_get_props __P((void *));
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#endif
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