Remove some duplicate FreeBSD CVS IDs, move some IDs to better places.
[dragonfly.git] / sys / dev / sound / pcm / buffer.h
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1/*
2 * Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: src/sys/dev/sound/pcm/buffer.h,v 1.1.2.3 2002/04/22 15:49:35 cg Exp $
1de703da 27 * $DragonFly: src/sys/dev/sound/pcm/buffer.h,v 1.2 2003/06/17 04:28:31 dillon Exp $
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28 */
29
30#define ISA_DMA(b) (sndbuf_getflags((b)) & SNDBUF_F_ISADMA)
31#define SNDBUF_LOCKASSERT(b)
32
33#define SNDBUF_F_ISADMA 0x00000001
34#define SNDBUF_F_XRUN 0x00000002
35#define SNDBUF_F_RUNNING 0x00000004
36
37struct snd_dbuf *sndbuf_create(device_t dev, char *drv, char *desc);
38void sndbuf_destroy(struct snd_dbuf *b);
39
40void sndbuf_dump(struct snd_dbuf *b, char *s, u_int32_t what);
41
42int sndbuf_alloc(struct snd_dbuf *b, bus_dma_tag_t dmatag, unsigned int size);
43int sndbuf_setup(struct snd_dbuf *b, void *buf, unsigned int size);
44void sndbuf_free(struct snd_dbuf *b);
45int sndbuf_resize(struct snd_dbuf *b, unsigned int blkcnt, unsigned int blksz);
46int sndbuf_remalloc(struct snd_dbuf *b, unsigned int blkcnt, unsigned int blksz);
47void sndbuf_reset(struct snd_dbuf *b);
48void sndbuf_clear(struct snd_dbuf *b, unsigned int length);
49void sndbuf_fillsilence(struct snd_dbuf *b);
50
51u_int32_t sndbuf_getfmt(struct snd_dbuf *b);
52int sndbuf_setfmt(struct snd_dbuf *b, u_int32_t fmt);
53unsigned int sndbuf_getspd(struct snd_dbuf *b);
54void sndbuf_setspd(struct snd_dbuf *b, unsigned int spd);
55unsigned int sndbuf_getbps(struct snd_dbuf *b);
56
57void *sndbuf_getbuf(struct snd_dbuf *b);
58void *sndbuf_getbufofs(struct snd_dbuf *b, unsigned int ofs);
59unsigned int sndbuf_getsize(struct snd_dbuf *b);
60unsigned int sndbuf_getmaxsize(struct snd_dbuf *b);
61unsigned int sndbuf_getalign(struct snd_dbuf *b);
62unsigned int sndbuf_getblkcnt(struct snd_dbuf *b);
63void sndbuf_setblkcnt(struct snd_dbuf *b, unsigned int blkcnt);
64unsigned int sndbuf_getblksz(struct snd_dbuf *b);
65void sndbuf_setblksz(struct snd_dbuf *b, unsigned int blksz);
66unsigned int sndbuf_runsz(struct snd_dbuf *b);
67void sndbuf_setrun(struct snd_dbuf *b, int go);
68struct selinfo *sndbuf_getsel(struct snd_dbuf *b);
69
70unsigned int sndbuf_getxrun(struct snd_dbuf *b);
71void sndbuf_setxrun(struct snd_dbuf *b, unsigned int cnt);
72unsigned int sndbuf_gethwptr(struct snd_dbuf *b);
73void sndbuf_sethwptr(struct snd_dbuf *b, unsigned int ptr);
74unsigned int sndbuf_getfree(struct snd_dbuf *b);
75unsigned int sndbuf_getfreeptr(struct snd_dbuf *b);
76unsigned int sndbuf_getready(struct snd_dbuf *b);
77unsigned int sndbuf_getreadyptr(struct snd_dbuf *b);
78unsigned int sndbuf_getblocks(struct snd_dbuf *b);
79unsigned int sndbuf_getprevblocks(struct snd_dbuf *b);
80unsigned int sndbuf_gettotal(struct snd_dbuf *b);
81void sndbuf_updateprevtotal(struct snd_dbuf *b);
82
83int sndbuf_acquire(struct snd_dbuf *b, u_int8_t *from, unsigned int count);
84int sndbuf_dispose(struct snd_dbuf *b, u_int8_t *to, unsigned int count);
85int sndbuf_uiomove(struct snd_dbuf *b, struct uio *uio, unsigned int count);
86int sndbuf_feed(struct snd_dbuf *from, struct snd_dbuf *to, struct pcm_channel *channel, struct pcm_feeder *feeder, unsigned int count);
87
88u_int32_t sndbuf_getflags(struct snd_dbuf *b);
89void sndbuf_setflags(struct snd_dbuf *b, u_int32_t flags, int on);
90
91int sndbuf_isadmasetup(struct snd_dbuf *b, struct resource *drq);
92int sndbuf_isadmasetdir(struct snd_dbuf *b, int dir);
93void sndbuf_isadma(struct snd_dbuf *b, int go);
94int sndbuf_isadmaptr(struct snd_dbuf *b);
95void sndbuf_isadmabounce(struct snd_dbuf *b);
96
97