1350a5fafSCameron Grant /* 2350a5fafSCameron Grant * Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk> 3350a5fafSCameron Grant * All rights reserved. 4350a5fafSCameron Grant * 5350a5fafSCameron Grant * Redistribution and use in source and binary forms, with or without 6350a5fafSCameron Grant * modification, are permitted provided that the following conditions 7350a5fafSCameron Grant * are met: 8350a5fafSCameron Grant * 1. Redistributions of source code must retain the above copyright 9350a5fafSCameron Grant * notice, this list of conditions and the following disclaimer. 10350a5fafSCameron Grant * 2. Redistributions in binary form must reproduce the above copyright 11350a5fafSCameron Grant * notice, this list of conditions and the following disclaimer in the 12350a5fafSCameron Grant * documentation and/or other materials provided with the distribution. 13350a5fafSCameron Grant * 14350a5fafSCameron Grant * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15350a5fafSCameron Grant * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16350a5fafSCameron Grant * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17350a5fafSCameron Grant * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18350a5fafSCameron Grant * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19350a5fafSCameron Grant * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20350a5fafSCameron Grant * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21350a5fafSCameron Grant * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22350a5fafSCameron Grant * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23350a5fafSCameron Grant * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24350a5fafSCameron Grant * SUCH DAMAGE. 25350a5fafSCameron Grant * 26350a5fafSCameron Grant * $FreeBSD$ 27350a5fafSCameron Grant */ 28350a5fafSCameron Grant 29350a5fafSCameron Grant #define ISA_DMA(b) (((b)->chan >= 0 && (b)->chan != 4 && (b)->chan < 8)) 30350a5fafSCameron Grant 31350a5fafSCameron Grant int sndbuf_alloc(snd_dbuf *b, bus_dma_tag_t dmatag, int size); 32350a5fafSCameron Grant int sndbuf_setup(snd_dbuf *b, void *buf, int size); 33350a5fafSCameron Grant void sndbuf_free(snd_dbuf *b); 34350a5fafSCameron Grant int sndbuf_resize(snd_dbuf *b, int blkcnt, int blksz); 35350a5fafSCameron Grant void sndbuf_reset(snd_dbuf *b); 36350a5fafSCameron Grant void sndbuf_clear(snd_dbuf *b, int length); 37350a5fafSCameron Grant int sndbuf_setfmt(snd_dbuf *b, u_int32_t fmt); 38350a5fafSCameron Grant int sndbuf_getbps(snd_dbuf *b); 39350a5fafSCameron Grant void *sndbuf_getbuf(snd_dbuf *b); 40350a5fafSCameron Grant int sndbuf_getsize(snd_dbuf *b); 41350a5fafSCameron Grant int sndbuf_runsz(snd_dbuf *b); 42350a5fafSCameron Grant 43350a5fafSCameron Grant int sndbuf_isadmasetup(snd_dbuf *b, struct resource *drq); 44350a5fafSCameron Grant int sndbuf_isadmasetdir(snd_dbuf *b, int dir); 45350a5fafSCameron Grant void sndbuf_isadma(snd_dbuf *b, int go); 46350a5fafSCameron Grant int sndbuf_isadmaptr(snd_dbuf *b); 47350a5fafSCameron Grant void sndbuf_isadmabounce(snd_dbuf *b); 48350a5fafSCameron Grant 49350a5fafSCameron Grant 50