xref: /freebsd/sys/sys/sndstat.h (revision 95ee2897)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2020 The FreeBSD Foundation
5  *
6  * This software was developed by Ka Ho Ng
7  * under sponsorship from the FreeBSD Foundation.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  */
30 
31 #ifndef _SYS_SNDSTAT_H_
32 #define _SYS_SNDSTAT_H_
33 
34 #include <sys/types.h>
35 #ifndef _IOWR
36 #include <sys/ioccom.h>
37 #endif  /* !_IOWR */
38 
39 struct sndstioc_nv_arg {
40 	size_t nbytes;	/* [IN/OUT] buffer size/number of bytes filled */
41 	void *buf;	/* [OUT] buffer holding a packed nvlist */
42 };
43 
44 /*
45  * Common name/value pair names
46  */
47 #define SNDST_DSPS			"dsps"
48 #define SNDST_DSPS_FROM_USER		"from_user"
49 #define SNDST_DSPS_PCHAN		"pchan"
50 #define SNDST_DSPS_RCHAN		"rchan"
51 #define SNDST_DSPS_NAMEUNIT		"nameunit"
52 #define SNDST_DSPS_DEVNODE		"devnode"
53 #define SNDST_DSPS_DESC			"desc"
54 #define SNDST_DSPS_PROVIDER		"provider"
55 #define SNDST_DSPS_PROVIDER_INFO	"provider_info"
56 
57 /*
58  * Common name/value pair names for play/rec info
59  */
60 #define SNDST_DSPS_INFO_PLAY		"info_play"
61 #define SNDST_DSPS_INFO_REC		"info_rec"
62 #define SNDST_DSPS_INFO_MIN_RATE	"min_rate"
63 #define SNDST_DSPS_INFO_MAX_RATE	"max_rate"
64 #define SNDST_DSPS_INFO_FORMATS		"formats"
65 #define SNDST_DSPS_INFO_MIN_CHN		"min_chn"
66 #define SNDST_DSPS_INFO_MAX_CHN		"max_chn"
67 
68 /*
69  * sound(4)-specific name/value pair names
70  */
71 #define SNDST_DSPS_SOUND4_PROVIDER	"sound(4)"
72 #define SNDST_DSPS_SOUND4_UNIT		"unit"
73 #define SNDST_DSPS_SOUND4_BITPERFECT	"bitperfect"
74 #define SNDST_DSPS_SOUND4_PVCHAN	"pvchan"
75 #define SNDST_DSPS_SOUND4_RVCHAN	"rvchan"
76 
77 #define SNDSTIOC_REFRESH_DEVS \
78 	_IO('D', 100)
79 #define SNDSTIOC_GET_DEVS \
80 	_IOWR('D', 101, struct sndstioc_nv_arg)
81 #define SNDSTIOC_ADD_USER_DEVS \
82 	_IOWR('D', 102, struct sndstioc_nv_arg)
83 #define SNDSTIOC_FLUSH_USER_DEVS \
84 	_IO('D', 103)
85 
86 #ifdef _KERNEL
87 #ifdef COMPAT_FREEBSD32
88 
89 struct sndstioc_nv_arg32 {
90 	uint32_t nbytes;
91 	uint32_t buf;
92 };
93 
94 #define SNDSTIOC_GET_DEVS32 \
95 	_IOC_NEWTYPE(SNDSTIOC_GET_DEVS, struct sndstioc_nv_arg32)
96 #define SNDSTIOC_ADD_USER_DEVS32 \
97 	_IOC_NEWTYPE(SNDSTIOC_ADD_USER_DEVS, struct sndstioc_nv_arg32)
98 
99 #endif
100 #endif
101 
102 #endif /* !_SYS_SNDSTAT_H_ */
103