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 2966ef8af5SCameron Grant #define ISA_DMA(b) (sndbuf_getflags((b)) & SNDBUF_F_ISADMA) 3066ef8af5SCameron Grant #define SNDBUF_LOCKASSERT(b) 31350a5fafSCameron Grant 3266ef8af5SCameron Grant #define SNDBUF_F_ISADMA 0x00000001 3366ef8af5SCameron Grant #define SNDBUF_F_XRUN 0x00000002 3466ef8af5SCameron Grant #define SNDBUF_F_RUNNING 0x00000004 35350a5fafSCameron Grant 3666ef8af5SCameron Grant struct snd_dbuf *sndbuf_create(char *drv, char *desc); 3766ef8af5SCameron Grant void sndbuf_destroy(struct snd_dbuf *b); 3866ef8af5SCameron Grant 3966ef8af5SCameron Grant void sndbuf_dump(struct snd_dbuf *b, char *s, u_int32_t what); 4066ef8af5SCameron Grant 4166ef8af5SCameron Grant int sndbuf_alloc(struct snd_dbuf *b, bus_dma_tag_t dmatag, unsigned int size); 4266ef8af5SCameron Grant int sndbuf_setup(struct snd_dbuf *b, void *buf, unsigned int size); 4366ef8af5SCameron Grant void sndbuf_free(struct snd_dbuf *b); 4466ef8af5SCameron Grant int sndbuf_resize(struct snd_dbuf *b, unsigned int blkcnt, unsigned int blksz); 4566ef8af5SCameron Grant int sndbuf_remalloc(struct snd_dbuf *b, unsigned int blkcnt, unsigned int blksz); 4666ef8af5SCameron Grant void sndbuf_reset(struct snd_dbuf *b); 4766ef8af5SCameron Grant void sndbuf_clear(struct snd_dbuf *b, unsigned int length); 48fc60109dSCameron Grant void sndbuf_fillsilence(struct snd_dbuf *b); 4966ef8af5SCameron Grant 5066ef8af5SCameron Grant u_int32_t sndbuf_getfmt(struct snd_dbuf *b); 5166ef8af5SCameron Grant int sndbuf_setfmt(struct snd_dbuf *b, u_int32_t fmt); 5266ef8af5SCameron Grant unsigned int sndbuf_getspd(struct snd_dbuf *b); 5366ef8af5SCameron Grant void sndbuf_setspd(struct snd_dbuf *b, unsigned int spd); 5466ef8af5SCameron Grant unsigned int sndbuf_getbps(struct snd_dbuf *b); 5566ef8af5SCameron Grant 5666ef8af5SCameron Grant void *sndbuf_getbuf(struct snd_dbuf *b); 5766ef8af5SCameron Grant void *sndbuf_getbufofs(struct snd_dbuf *b, unsigned int ofs); 5866ef8af5SCameron Grant unsigned int sndbuf_getsize(struct snd_dbuf *b); 5966ef8af5SCameron Grant unsigned int sndbuf_getmaxsize(struct snd_dbuf *b); 6066ef8af5SCameron Grant unsigned int sndbuf_getalign(struct snd_dbuf *b); 6166ef8af5SCameron Grant unsigned int sndbuf_getblkcnt(struct snd_dbuf *b); 6266ef8af5SCameron Grant void sndbuf_setblkcnt(struct snd_dbuf *b, unsigned int blkcnt); 6366ef8af5SCameron Grant unsigned int sndbuf_getblksz(struct snd_dbuf *b); 6466ef8af5SCameron Grant void sndbuf_setblksz(struct snd_dbuf *b, unsigned int blksz); 6566ef8af5SCameron Grant unsigned int sndbuf_runsz(struct snd_dbuf *b); 6666ef8af5SCameron Grant void sndbuf_setrun(struct snd_dbuf *b, int go); 6766ef8af5SCameron Grant struct selinfo *sndbuf_getsel(struct snd_dbuf *b); 6866ef8af5SCameron Grant 6966ef8af5SCameron Grant unsigned int sndbuf_getxrun(struct snd_dbuf *b); 7066ef8af5SCameron Grant void sndbuf_setxrun(struct snd_dbuf *b, unsigned int cnt); 7166ef8af5SCameron Grant unsigned int sndbuf_gethwptr(struct snd_dbuf *b); 7266ef8af5SCameron Grant void sndbuf_sethwptr(struct snd_dbuf *b, unsigned int ptr); 7366ef8af5SCameron Grant unsigned int sndbuf_getfree(struct snd_dbuf *b); 7466ef8af5SCameron Grant unsigned int sndbuf_getfreeptr(struct snd_dbuf *b); 7566ef8af5SCameron Grant unsigned int sndbuf_getready(struct snd_dbuf *b); 7666ef8af5SCameron Grant unsigned int sndbuf_getreadyptr(struct snd_dbuf *b); 7766ef8af5SCameron Grant unsigned int sndbuf_getblocks(struct snd_dbuf *b); 7866ef8af5SCameron Grant unsigned int sndbuf_getprevblocks(struct snd_dbuf *b); 7966ef8af5SCameron Grant unsigned int sndbuf_gettotal(struct snd_dbuf *b); 8066ef8af5SCameron Grant void sndbuf_updateprevtotal(struct snd_dbuf *b); 8166ef8af5SCameron Grant 8266ef8af5SCameron Grant int sndbuf_acquire(struct snd_dbuf *b, u_int8_t *from, unsigned int count); 8366ef8af5SCameron Grant int sndbuf_dispose(struct snd_dbuf *b, u_int8_t *to, unsigned int count); 8466ef8af5SCameron Grant int sndbuf_uiomove(struct snd_dbuf *b, struct uio *uio, unsigned int count); 8566ef8af5SCameron Grant int sndbuf_feed(struct snd_dbuf *from, struct snd_dbuf *to, struct pcm_channel *channel, struct pcm_feeder *feeder, unsigned int count); 8666ef8af5SCameron Grant 8766ef8af5SCameron Grant u_int32_t sndbuf_getflags(struct snd_dbuf *b); 8866ef8af5SCameron Grant void sndbuf_setflags(struct snd_dbuf *b, u_int32_t flags, int on); 8966ef8af5SCameron Grant 9066ef8af5SCameron Grant int sndbuf_isadmasetup(struct snd_dbuf *b, struct resource *drq); 9166ef8af5SCameron Grant int sndbuf_isadmasetdir(struct snd_dbuf *b, int dir); 9266ef8af5SCameron Grant void sndbuf_isadma(struct snd_dbuf *b, int go); 9366ef8af5SCameron Grant int sndbuf_isadmaptr(struct snd_dbuf *b); 9466ef8af5SCameron Grant void sndbuf_isadmabounce(struct snd_dbuf *b); 95350a5fafSCameron Grant 96350a5fafSCameron Grant 97