50 lines
2.1 KiB
C
50 lines
2.1 KiB
C
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/*
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* Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk>
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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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* $FreeBSD$
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*/
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#define ISA_DMA(b) (((b)->chan >= 0 && (b)->chan != 4 && (b)->chan < 8))
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int sndbuf_alloc(snd_dbuf *b, bus_dma_tag_t dmatag, int size);
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int sndbuf_setup(snd_dbuf *b, void *buf, int size);
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void sndbuf_free(snd_dbuf *b);
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int sndbuf_resize(snd_dbuf *b, int blkcnt, int blksz);
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void sndbuf_reset(snd_dbuf *b);
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void sndbuf_clear(snd_dbuf *b, int length);
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int sndbuf_setfmt(snd_dbuf *b, u_int32_t fmt);
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int sndbuf_getbps(snd_dbuf *b);
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void *sndbuf_getbuf(snd_dbuf *b);
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int sndbuf_getsize(snd_dbuf *b);
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int sndbuf_runsz(snd_dbuf *b);
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int sndbuf_isadmasetup(snd_dbuf *b, struct resource *drq);
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int sndbuf_isadmasetdir(snd_dbuf *b, int dir);
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void sndbuf_isadma(snd_dbuf *b, int go);
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int sndbuf_isadmaptr(snd_dbuf *b);
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void sndbuf_isadmabounce(snd_dbuf *b);
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