source: GPL/trunk/alsa-kernel/include/uapi/sound/asound.h

Last change on this file was 777, checked in by David Azarewicz, 6 months ago

Merge from uniaud32-exp branch
File size: 57.1 KB
Line 
1/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2/*
3 * Advanced Linux Sound Architecture - ALSA - Driver
4 * Copyright (c) 1994-2003 by Jaroslav Kysela <perex@perex.cz>,
5 * Abramo Bagnara <abramo@alsa-project.org>
6 */
7
8#ifndef _UAPI__SOUND_ASOUND_H
9#define _UAPI__SOUND_ASOUND_H
10
11#if defined(__KERNEL__) || defined(__linux__)
12#include <linux/types.h>
13#include <asm/byteorder.h>
14#else
15#include <endian.h>
16#include <sys/ioctl.h>
17#endif
18
19#ifndef __KERNEL__
20#include <stdlib.h>
21#include <time.h>
22#endif
23
24#ifndef __force
25#define __force
26#endif
27
28#ifndef __bitwise
29#define __bitwise
30#endif
31
32#ifndef __packed
33#define __packed
34#endif
35
36#ifdef TARGET_OS2
37#define SNDRV_PCM_VOL_FRONT_LEFT 0
38#define SNDRV_PCM_VOL_FRONT_RIGHT 1
39#define SNDRV_PCM_VOL_REAR_LEFT 2
40#define SNDRV_PCM_VOL_REAR_RIGHT 3
41#define SNDRV_PCM_VOL_CENTER 4
42#define SNDRV_PCM_VOL_LFE 5
43
44#define SNDRV_PCM_VOL_MAX 100
45
46struct snd_pcm_volume {
47 int nrchannels;
48 int volume[6];
49};
50#endif
51
52/*
53 * protocol version
54 */
55
56#define SNDRV_PROTOCOL_VERSION(major, minor, subminor) (((major)<<16)|((minor)<<8)|(subminor))
57#define SNDRV_PROTOCOL_MAJOR(version) (((version)>>16)&0xffff)
58#define SNDRV_PROTOCOL_MINOR(version) (((version)>>8)&0xff)
59#define SNDRV_PROTOCOL_MICRO(version) ((version)&0xff)
60#define SNDRV_PROTOCOL_INCOMPATIBLE(kversion, uversion) \
61 (SNDRV_PROTOCOL_MAJOR(kversion) != SNDRV_PROTOCOL_MAJOR(uversion) || \
62 (SNDRV_PROTOCOL_MAJOR(kversion) == SNDRV_PROTOCOL_MAJOR(uversion) && \
63 SNDRV_PROTOCOL_MINOR(kversion) != SNDRV_PROTOCOL_MINOR(uversion)))
64
65/****************************************************************************
66 * *
67 * Digital audio interface *
68 * *
69 ****************************************************************************/
70
71#define AES_IEC958_STATUS_SIZE 24
72
73struct snd_aes_iec958 {
74 unsigned char status[AES_IEC958_STATUS_SIZE]; /* AES/IEC958 channel status bits */
75 unsigned char subcode[147]; /* AES/IEC958 subcode bits */
76 unsigned char pad; /* nothing */
77 unsigned char dig_subframe[4]; /* AES/IEC958 subframe bits */
78};
79
80/****************************************************************************
81 * *
82 * CEA-861 Audio InfoFrame. Used in HDMI and DisplayPort *
83 * *
84 ****************************************************************************/
85
86struct snd_cea_861_aud_if {
87 unsigned char db1_ct_cc; /* coding type and channel count */
88 unsigned char db2_sf_ss; /* sample frequency and size */
89 unsigned char db3; /* not used, all zeros */
90 unsigned char db4_ca; /* channel allocation code */
91 unsigned char db5_dminh_lsv; /* downmix inhibit & level-shit values */
92};
93
94/****************************************************************************
95 * *
96 * Section for driver hardware dependent interface - /dev/snd/hw? *
97 * *
98 ****************************************************************************/
99
100#define SNDRV_HWDEP_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1)
101
102enum {
103 SNDRV_HWDEP_IFACE_OPL2 = 0,
104 SNDRV_HWDEP_IFACE_OPL3,
105 SNDRV_HWDEP_IFACE_OPL4,
106 SNDRV_HWDEP_IFACE_SB16CSP, /* Creative Signal Processor */
107 SNDRV_HWDEP_IFACE_EMU10K1, /* FX8010 processor in EMU10K1 chip */
108 SNDRV_HWDEP_IFACE_YSS225, /* Yamaha FX processor */
109 SNDRV_HWDEP_IFACE_ICS2115, /* Wavetable synth */
110 SNDRV_HWDEP_IFACE_SSCAPE, /* Ensoniq SoundScape ISA card (MC68EC000) */
111 SNDRV_HWDEP_IFACE_VX, /* Digigram VX cards */
112 SNDRV_HWDEP_IFACE_MIXART, /* Digigram miXart cards */
113 SNDRV_HWDEP_IFACE_USX2Y, /* Tascam US122, US224 & US428 usb */
114 SNDRV_HWDEP_IFACE_EMUX_WAVETABLE, /* EmuX wavetable */
115 SNDRV_HWDEP_IFACE_BLUETOOTH, /* Bluetooth audio */
116 SNDRV_HWDEP_IFACE_USX2Y_PCM, /* Tascam US122, US224 & US428 rawusb pcm */
117 SNDRV_HWDEP_IFACE_PCXHR, /* Digigram PCXHR */
118 SNDRV_HWDEP_IFACE_SB_RC, /* SB Extigy/Audigy2NX remote control */
119 SNDRV_HWDEP_IFACE_HDA, /* HD-audio */
120 SNDRV_HWDEP_IFACE_USB_STREAM, /* direct access to usb stream */
121 SNDRV_HWDEP_IFACE_FW_DICE, /* TC DICE FireWire device */
122 SNDRV_HWDEP_IFACE_FW_FIREWORKS, /* Echo Audio Fireworks based device */
123 SNDRV_HWDEP_IFACE_FW_BEBOB, /* BridgeCo BeBoB based device */
124 SNDRV_HWDEP_IFACE_FW_OXFW, /* Oxford OXFW970/971 based device */
125 SNDRV_HWDEP_IFACE_FW_DIGI00X, /* Digidesign Digi 002/003 family */
126 SNDRV_HWDEP_IFACE_FW_TASCAM, /* TASCAM FireWire series */
127 SNDRV_HWDEP_IFACE_LINE6, /* Line6 USB processors */
128 SNDRV_HWDEP_IFACE_FW_MOTU, /* MOTU FireWire series */
129 SNDRV_HWDEP_IFACE_FW_FIREFACE, /* RME Fireface series */
130
131 /* Don't forget to change the following: */
132 SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_FW_FIREFACE
133};
134
135struct snd_hwdep_info {
136 unsigned int device; /* WR: device number */
137 int card; /* R: card number */
138 unsigned char id[64]; /* ID (user selectable) */
139 unsigned char name[80]; /* hwdep name */
140 int iface; /* hwdep interface */
141 unsigned char reserved[64]; /* reserved for future */
142};
143
144/* generic DSP loader */
145struct snd_hwdep_dsp_status {
146 unsigned int version; /* R: driver-specific version */
147 unsigned char id[32]; /* R: driver-specific ID string */
148 unsigned int num_dsps; /* R: number of DSP images to transfer */
149 unsigned int dsp_loaded; /* R: bit flags indicating the loaded DSPs */
150 unsigned int chip_ready; /* R: 1 = initialization finished */
151 unsigned char reserved[16]; /* reserved for future use */
152};
153
154struct snd_hwdep_dsp_image {
155 unsigned int index; /* W: DSP index */
156 unsigned char name[64]; /* W: ID (e.g. file name) */
157 unsigned char __user *image; /* W: binary image */
158 size_t length; /* W: size of image in bytes */
159 unsigned long driver_data; /* W: driver-specific data */
160};
161
162#define SNDRV_HWDEP_IOCTL_PVERSION _IOR ('H', 0x00, int)
163#define SNDRV_HWDEP_IOCTL_INFO _IOR ('H', 0x01, struct snd_hwdep_info)
164#define SNDRV_HWDEP_IOCTL_DSP_STATUS _IOR('H', 0x02, struct snd_hwdep_dsp_status)
165#define SNDRV_HWDEP_IOCTL_DSP_LOAD _IOW('H', 0x03, struct snd_hwdep_dsp_image)
166
167/*****************************************************************************
168 * *
169 * Digital Audio (PCM) interface - /dev/snd/pcm?? *
170 * *
171 *****************************************************************************/
172
173#define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 18)
174
175typedef unsigned long snd_pcm_uframes_t;
176typedef signed long snd_pcm_sframes_t;
177
178enum {
179 SNDRV_PCM_CLASS_GENERIC = 0, /* standard mono or stereo device */
180 SNDRV_PCM_CLASS_MULTI, /* multichannel device */
181 SNDRV_PCM_CLASS_MODEM, /* software modem class */
182 SNDRV_PCM_CLASS_DIGITIZER, /* digitizer class */
183 /* Don't forget to change the following: */
184 SNDRV_PCM_CLASS_LAST = SNDRV_PCM_CLASS_DIGITIZER,
185};
186
187enum {
188 SNDRV_PCM_SUBCLASS_GENERIC_MIX = 0, /* mono or stereo subdevices are mixed together */
189 SNDRV_PCM_SUBCLASS_MULTI_MIX, /* multichannel subdevices are mixed together */
190 /* Don't forget to change the following: */
191 SNDRV_PCM_SUBCLASS_LAST = SNDRV_PCM_SUBCLASS_MULTI_MIX,
192};
193
194enum {
195 SNDRV_PCM_STREAM_PLAYBACK = 0,
196 SNDRV_PCM_STREAM_CAPTURE,
197 SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE,
198};
199
200typedef int __bitwise snd_pcm_access_t;
201#define SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ((__force snd_pcm_access_t) 0) /* interleaved mmap */
202#define SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ((__force snd_pcm_access_t) 1) /* noninterleaved mmap */
203#define SNDRV_PCM_ACCESS_MMAP_COMPLEX ((__force snd_pcm_access_t) 2) /* complex mmap */
204#define SNDRV_PCM_ACCESS_RW_INTERLEAVED ((__force snd_pcm_access_t) 3) /* readi/writei */
205#define SNDRV_PCM_ACCESS_RW_NONINTERLEAVED ((__force snd_pcm_access_t) 4) /* readn/writen */
206#define SNDRV_PCM_ACCESS_LAST SNDRV_PCM_ACCESS_RW_NONINTERLEAVED
207
208typedef int __bitwise snd_pcm_format_t;
209#define SNDRV_PCM_FORMAT_S8 ((__force snd_pcm_format_t) 0)
210#define SNDRV_PCM_FORMAT_U8 ((__force snd_pcm_format_t) 1)
211#define SNDRV_PCM_FORMAT_S16_LE ((__force snd_pcm_format_t) 2)
212#define SNDRV_PCM_FORMAT_S16_BE ((__force snd_pcm_format_t) 3)
213#define SNDRV_PCM_FORMAT_U16_LE ((__force snd_pcm_format_t) 4)
214#define SNDRV_PCM_FORMAT_U16_BE ((__force snd_pcm_format_t) 5)
215#define SNDRV_PCM_FORMAT_S24_LE ((__force snd_pcm_format_t) 6) /* low three bytes */
216#define SNDRV_PCM_FORMAT_S24_BE ((__force snd_pcm_format_t) 7) /* low three bytes */
217#define SNDRV_PCM_FORMAT_U24_LE ((__force snd_pcm_format_t) 8) /* low three bytes */
218#define SNDRV_PCM_FORMAT_U24_BE ((__force snd_pcm_format_t) 9) /* low three bytes */
219/*
220 * For S32/U32 formats, 'msbits' hardware parameter is often used to deliver information about the
221 * available bit count in most significant bit. It's for the case of so-called 'left-justified' or
222 * `right-padding` sample which has less width than 32 bit.
223 */
224#define SNDRV_PCM_FORMAT_S32_LE ((__force snd_pcm_format_t) 10)
225#define SNDRV_PCM_FORMAT_S32_BE ((__force snd_pcm_format_t) 11)
226#define SNDRV_PCM_FORMAT_U32_LE ((__force snd_pcm_format_t) 12)
227#define SNDRV_PCM_FORMAT_U32_BE ((__force snd_pcm_format_t) 13)
228#define SNDRV_PCM_FORMAT_FLOAT_LE ((__force snd_pcm_format_t) 14) /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */
229#define SNDRV_PCM_FORMAT_FLOAT_BE ((__force snd_pcm_format_t) 15) /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */
230#define SNDRV_PCM_FORMAT_FLOAT64_LE ((__force snd_pcm_format_t) 16) /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */
231#define SNDRV_PCM_FORMAT_FLOAT64_BE ((__force snd_pcm_format_t) 17) /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */
232#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE ((__force snd_pcm_format_t) 18) /* IEC-958 subframe, Little Endian */
233#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE ((__force snd_pcm_format_t) 19) /* IEC-958 subframe, Big Endian */
234#define SNDRV_PCM_FORMAT_MU_LAW ((__force snd_pcm_format_t) 20)
235#define SNDRV_PCM_FORMAT_A_LAW ((__force snd_pcm_format_t) 21)
236#define SNDRV_PCM_FORMAT_IMA_ADPCM ((__force snd_pcm_format_t) 22)
237#define SNDRV_PCM_FORMAT_MPEG ((__force snd_pcm_format_t) 23)
238#define SNDRV_PCM_FORMAT_GSM ((__force snd_pcm_format_t) 24)
239#define SNDRV_PCM_FORMAT_S20_LE ((__force snd_pcm_format_t) 25) /* in four bytes, LSB justified */
240#define SNDRV_PCM_FORMAT_S20_BE ((__force snd_pcm_format_t) 26) /* in four bytes, LSB justified */
241#define SNDRV_PCM_FORMAT_U20_LE ((__force snd_pcm_format_t) 27) /* in four bytes, LSB justified */
242#define SNDRV_PCM_FORMAT_U20_BE ((__force snd_pcm_format_t) 28) /* in four bytes, LSB justified */
243/* gap in the numbering for a future standard linear format */
244#define SNDRV_PCM_FORMAT_SPECIAL ((__force snd_pcm_format_t) 31)
245#define SNDRV_PCM_FORMAT_S24_3LE ((__force snd_pcm_format_t) 32) /* in three bytes */
246#define SNDRV_PCM_FORMAT_S24_3BE ((__force snd_pcm_format_t) 33) /* in three bytes */
247#define SNDRV_PCM_FORMAT_U24_3LE ((__force snd_pcm_format_t) 34) /* in three bytes */
248#define SNDRV_PCM_FORMAT_U24_3BE ((__force snd_pcm_format_t) 35) /* in three bytes */
249#define SNDRV_PCM_FORMAT_S20_3LE ((__force snd_pcm_format_t) 36) /* in three bytes */
250#define SNDRV_PCM_FORMAT_S20_3BE ((__force snd_pcm_format_t) 37) /* in three bytes */
251#define SNDRV_PCM_FORMAT_U20_3LE ((__force snd_pcm_format_t) 38) /* in three bytes */
252#define SNDRV_PCM_FORMAT_U20_3BE ((__force snd_pcm_format_t) 39) /* in three bytes */
253#define SNDRV_PCM_FORMAT_S18_3LE ((__force snd_pcm_format_t) 40) /* in three bytes */
254#define SNDRV_PCM_FORMAT_S18_3BE ((__force snd_pcm_format_t) 41) /* in three bytes */
255#define SNDRV_PCM_FORMAT_U18_3LE ((__force snd_pcm_format_t) 42) /* in three bytes */
256#define SNDRV_PCM_FORMAT_U18_3BE ((__force snd_pcm_format_t) 43) /* in three bytes */
257#define SNDRV_PCM_FORMAT_G723_24 ((__force snd_pcm_format_t) 44) /* 8 samples in 3 bytes */
258#define SNDRV_PCM_FORMAT_G723_24_1B ((__force snd_pcm_format_t) 45) /* 1 sample in 1 byte */
259#define SNDRV_PCM_FORMAT_G723_40 ((__force snd_pcm_format_t) 46) /* 8 Samples in 5 bytes */
260#define SNDRV_PCM_FORMAT_G723_40_1B ((__force snd_pcm_format_t) 47) /* 1 sample in 1 byte */
261#define SNDRV_PCM_FORMAT_DSD_U8 ((__force snd_pcm_format_t) 48) /* DSD, 1-byte samples DSD (x8) */
262#define SNDRV_PCM_FORMAT_DSD_U16_LE ((__force snd_pcm_format_t) 49) /* DSD, 2-byte samples DSD (x16), little endian */
263#define SNDRV_PCM_FORMAT_DSD_U32_LE ((__force snd_pcm_format_t) 50) /* DSD, 4-byte samples DSD (x32), little endian */
264#define SNDRV_PCM_FORMAT_DSD_U16_BE ((__force snd_pcm_format_t) 51) /* DSD, 2-byte samples DSD (x16), big endian */
265#define SNDRV_PCM_FORMAT_DSD_U32_BE ((__force snd_pcm_format_t) 52) /* DSD, 4-byte samples DSD (x32), big endian */
266#define SNDRV_PCM_FORMAT_LAST SNDRV_PCM_FORMAT_DSD_U32_BE
267#define SNDRV_PCM_FORMAT_FIRST SNDRV_PCM_FORMAT_S8
268
269#ifdef SNDRV_LITTLE_ENDIAN
270#define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_LE
271#define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_LE
272#define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_LE
273#define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_LE
274#define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_LE
275#define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_LE
276#define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_LE
277#define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_LE
278#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE
279#define SNDRV_PCM_FORMAT_S20 SNDRV_PCM_FORMAT_S20_LE
280#define SNDRV_PCM_FORMAT_U20 SNDRV_PCM_FORMAT_U20_LE
281#endif
282#ifdef SNDRV_BIG_ENDIAN
283#define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_BE
284#define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_BE
285#define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_BE
286#define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_BE
287#define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_BE
288#define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_BE
289#define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_BE
290#define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_BE
291#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE
292#define SNDRV_PCM_FORMAT_S20 SNDRV_PCM_FORMAT_S20_BE
293#define SNDRV_PCM_FORMAT_U20 SNDRV_PCM_FORMAT_U20_BE
294#endif
295
296typedef int __bitwise snd_pcm_subformat_t;
297#define SNDRV_PCM_SUBFORMAT_STD ((__force snd_pcm_subformat_t) 0)
298#define SNDRV_PCM_SUBFORMAT_MSBITS_MAX ((__force snd_pcm_subformat_t) 1)
299#define SNDRV_PCM_SUBFORMAT_MSBITS_20 ((__force snd_pcm_subformat_t) 2)
300#define SNDRV_PCM_SUBFORMAT_MSBITS_24 ((__force snd_pcm_subformat_t) 3)
301#define SNDRV_PCM_SUBFORMAT_LAST SNDRV_PCM_SUBFORMAT_MSBITS_24
302
303#define SNDRV_PCM_INFO_MMAP 0x00000001 /* hardware supports mmap */
304#define SNDRV_PCM_INFO_MMAP_VALID 0x00000002 /* period data are valid during transfer */
305#define SNDRV_PCM_INFO_DOUBLE 0x00000004 /* Double buffering needed for PCM start/stop */
306#define SNDRV_PCM_INFO_BATCH 0x00000010 /* double buffering */
307#define SNDRV_PCM_INFO_SYNC_APPLPTR 0x00000020 /* need the explicit sync of appl_ptr update */
308#define SNDRV_PCM_INFO_PERFECT_DRAIN 0x00000040 /* silencing at the end of stream is not required */
309#define SNDRV_PCM_INFO_INTERLEAVED 0x00000100 /* channels are interleaved */
310#define SNDRV_PCM_INFO_NONINTERLEAVED 0x00000200 /* channels are not interleaved */
311#define SNDRV_PCM_INFO_COMPLEX 0x00000400 /* complex frame organization (mmap only) */
312#define SNDRV_PCM_INFO_BLOCK_TRANSFER 0x00010000 /* hardware transfer block of samples */
313#define SNDRV_PCM_INFO_OVERRANGE 0x00020000 /* hardware supports ADC (capture) overrange detection */
314#define SNDRV_PCM_INFO_RESUME 0x00040000 /* hardware supports stream resume after suspend */
315#define SNDRV_PCM_INFO_PAUSE 0x00080000 /* pause ioctl is supported */
316#define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000 /* only half duplex */
317#define SNDRV_PCM_INFO_JOINT_DUPLEX 0x00200000 /* playback and capture stream are somewhat correlated */
318#define SNDRV_PCM_INFO_SYNC_START 0x00400000 /* pcm support some kind of sync go */
319#define SNDRV_PCM_INFO_NO_PERIOD_WAKEUP 0x00800000 /* period wakeup can be disabled */
320#define SNDRV_PCM_INFO_HAS_WALL_CLOCK 0x01000000 /* (Deprecated)has audio wall clock for audio/system time sync */
321#define SNDRV_PCM_INFO_HAS_LINK_ATIME 0x01000000 /* report hardware link audio time, reset on startup */
322#define SNDRV_PCM_INFO_HAS_LINK_ABSOLUTE_ATIME 0x02000000 /* report absolute hardware link audio time, not reset on startup */
323#define SNDRV_PCM_INFO_HAS_LINK_ESTIMATED_ATIME 0x04000000 /* report estimated link audio time */
324#define SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME 0x08000000 /* report synchronized audio/system time */
325#define SNDRV_PCM_INFO_EXPLICIT_SYNC 0x10000000 /* needs explicit sync of pointers and data */
326#define SNDRV_PCM_INFO_NO_REWINDS 0x20000000 /* hardware can only support monotonic changes of appl_ptr */
327#define SNDRV_PCM_INFO_DRAIN_TRIGGER 0x40000000 /* internal kernel flag - trigger in drain */
328#define SNDRV_PCM_INFO_FIFO_IN_FRAMES 0x80000000 /* internal kernel flag - FIFO size is in frames */
329
330#if (__BITS_PER_LONG == 32 && defined(__USE_TIME_BITS64)) || defined __KERNEL__
331#define __SND_STRUCT_TIME64
332#endif
333
334typedef int __bitwise snd_pcm_state_t;
335#define SNDRV_PCM_STATE_OPEN ((__force snd_pcm_state_t) 0) /* stream is open */
336#define SNDRV_PCM_STATE_SETUP ((__force snd_pcm_state_t) 1) /* stream has a setup */
337#define SNDRV_PCM_STATE_PREPARED ((__force snd_pcm_state_t) 2) /* stream is ready to start */
338#define SNDRV_PCM_STATE_RUNNING ((__force snd_pcm_state_t) 3) /* stream is running */
339#define SNDRV_PCM_STATE_XRUN ((__force snd_pcm_state_t) 4) /* stream reached an xrun */
340#define SNDRV_PCM_STATE_DRAINING ((__force snd_pcm_state_t) 5) /* stream is draining */
341#define SNDRV_PCM_STATE_PAUSED ((__force snd_pcm_state_t) 6) /* stream is paused */
342#define SNDRV_PCM_STATE_SUSPENDED ((__force snd_pcm_state_t) 7) /* hardware is suspended */
343#define SNDRV_PCM_STATE_DISCONNECTED ((__force snd_pcm_state_t) 8) /* hardware is disconnected */
344#define SNDRV_PCM_STATE_LAST SNDRV_PCM_STATE_DISCONNECTED
345
346enum {
347 SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000,
348 SNDRV_PCM_MMAP_OFFSET_STATUS_OLD = 0x80000000,
349 SNDRV_PCM_MMAP_OFFSET_CONTROL_OLD = 0x81000000,
350 SNDRV_PCM_MMAP_OFFSET_STATUS_NEW = 0x82000000,
351 SNDRV_PCM_MMAP_OFFSET_CONTROL_NEW = 0x83000000,
352#ifdef __SND_STRUCT_TIME64
353 SNDRV_PCM_MMAP_OFFSET_STATUS = SNDRV_PCM_MMAP_OFFSET_STATUS_NEW,
354 SNDRV_PCM_MMAP_OFFSET_CONTROL = SNDRV_PCM_MMAP_OFFSET_CONTROL_NEW,
355#else
356 SNDRV_PCM_MMAP_OFFSET_STATUS = SNDRV_PCM_MMAP_OFFSET_STATUS_OLD,
357 SNDRV_PCM_MMAP_OFFSET_CONTROL = SNDRV_PCM_MMAP_OFFSET_CONTROL_OLD,
358#endif
359};
360
361union snd_pcm_sync_id {
362 unsigned char id[16];
363 unsigned short id16[8];
364 unsigned int id32[4];
365} /*__attribute__((deprecated))*/;
366
367struct snd_pcm_info {
368 unsigned int device; /* RO/WR (control): device number */
369 unsigned int subdevice; /* RO/WR (control): subdevice number */
370 int stream; /* RO/WR (control): stream direction */
371 int card; /* R: card number */
372 unsigned char id[64]; /* ID (user selectable) */
373 unsigned char name[80]; /* name of this device */
374 unsigned char subname[32]; /* subdevice name */
375 int dev_class; /* SNDRV_PCM_CLASS_* */
376 int dev_subclass; /* SNDRV_PCM_SUBCLASS_* */
377 unsigned int subdevices_count;
378 unsigned int subdevices_avail;
379 unsigned char pad1[16]; /* was: hardware synchronization ID */
380 unsigned char reserved[64]; /* reserved for future... */
381};
382
383typedef int snd_pcm_hw_param_t;
384#define SNDRV_PCM_HW_PARAM_ACCESS 0 /* Access type */
385#ifdef TARGET_OS2
386#define SNDRV_PCM_HW_PARAM_RATE_MASK 1 /* Format */
387#endif
388#define SNDRV_PCM_HW_PARAM_FORMAT 2 /* Format */
389#define SNDRV_PCM_HW_PARAM_SUBFORMAT 3 /* Subformat */
390#define SNDRV_PCM_HW_PARAM_FIRST_MASK SNDRV_PCM_HW_PARAM_ACCESS
391#define SNDRV_PCM_HW_PARAM_LAST_MASK SNDRV_PCM_HW_PARAM_SUBFORMAT
392
393#define SNDRV_PCM_HW_PARAM_SAMPLE_BITS 8 /* Bits per sample */
394#define SNDRV_PCM_HW_PARAM_FRAME_BITS 9 /* Bits per frame */
395#define SNDRV_PCM_HW_PARAM_CHANNELS 10 /* Channels */
396#define SNDRV_PCM_HW_PARAM_RATE 11 /* Approx rate */
397#define SNDRV_PCM_HW_PARAM_PERIOD_TIME 12 /* Approx distance between
398 * interrupts in us
399 */
400#define SNDRV_PCM_HW_PARAM_PERIOD_SIZE 13 /* Approx frames between
401 * interrupts
402 */
403#define SNDRV_PCM_HW_PARAM_PERIOD_BYTES 14 /* Approx bytes between
404 * interrupts
405 */
406#define SNDRV_PCM_HW_PARAM_PERIODS 15 /* Approx interrupts per
407 * buffer
408 */
409#define SNDRV_PCM_HW_PARAM_BUFFER_TIME 16 /* Approx duration of buffer
410 * in us
411 */
412#define SNDRV_PCM_HW_PARAM_BUFFER_SIZE 17 /* Size of buffer in frames */
413#define SNDRV_PCM_HW_PARAM_BUFFER_BYTES 18 /* Size of buffer in bytes */
414#define SNDRV_PCM_HW_PARAM_TICK_TIME 19 /* Approx tick duration in us */
415#define SNDRV_PCM_HW_PARAM_FIRST_INTERVAL SNDRV_PCM_HW_PARAM_SAMPLE_BITS
416#define SNDRV_PCM_HW_PARAM_LAST_INTERVAL SNDRV_PCM_HW_PARAM_TICK_TIME
417
418#define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1<<0) /* avoid rate resampling */
419#define SNDRV_PCM_HW_PARAMS_EXPORT_BUFFER (1<<1) /* export buffer */
420#define SNDRV_PCM_HW_PARAMS_NO_PERIOD_WAKEUP (1<<2) /* disable period wakeups */
421#define SNDRV_PCM_HW_PARAMS_NO_DRAIN_SILENCE (1<<3) /* suppress drain with the filling
422 * of the silence samples
423 */
424
425struct snd_interval {
426 unsigned int min, max;
427 unsigned int openmin:1,
428 openmax:1,
429 integer:1,
430 empty:1;
431};
432
433#define SNDRV_MASK_MAX 256
434
435struct snd_mask {
436 __u32 bits[(SNDRV_MASK_MAX+31)/32];
437};
438
439struct snd_pcm_hw_params {
440 unsigned int flags;
441 struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK -
442 SNDRV_PCM_HW_PARAM_FIRST_MASK + 1];
443 struct snd_mask mres[5]; /* reserved masks */
444 struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL -
445 SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1];
446 struct snd_interval ires[9]; /* reserved intervals */
447 unsigned int rmask; /* W: requested masks */
448 unsigned int cmask; /* R: changed masks */
449 unsigned int info; /* R: Info flags for returned setup */
450 unsigned int msbits; /* R: used most significant bits (in sample bit-width) */
451 unsigned int rate_num; /* R: rate numerator */
452 unsigned int rate_den; /* R: rate denominator */
453 snd_pcm_uframes_t fifo_size; /* R: chip FIFO size in frames */
454 unsigned char sync[16]; /* R: synchronization ID (perfect sync - one clock source) */
455 unsigned char reserved[48]; /* reserved for future */
456};
457
458enum {
459 SNDRV_PCM_TSTAMP_NONE = 0,
460 SNDRV_PCM_TSTAMP_ENABLE,
461 SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_ENABLE,
462};
463
464struct snd_pcm_sw_params {
465 int tstamp_mode; /* timestamp mode */
466 unsigned int period_step;
467 unsigned int sleep_min; /* min ticks to sleep */
468 snd_pcm_uframes_t avail_min; /* min avail frames for wakeup */
469 snd_pcm_uframes_t xfer_align; /* obsolete: xfer size need to be a multiple */
470 snd_pcm_uframes_t start_threshold; /* min hw_avail frames for automatic start */
471 /*
472 * The following two thresholds alleviate playback buffer underruns; when
473 * hw_avail drops below the threshold, the respective action is triggered:
474 */
475 snd_pcm_uframes_t stop_threshold; /* - stop playback */
476 snd_pcm_uframes_t silence_threshold; /* - pre-fill buffer with silence */
477 snd_pcm_uframes_t silence_size; /* max size of silence pre-fill; when >= boundary,
478 * fill played area with silence immediately */
479 snd_pcm_uframes_t boundary; /* pointers wrap point */
480 unsigned int proto; /* protocol version */
481 unsigned int tstamp_type; /* timestamp type (req. proto >= 2.0.12) */
482 unsigned char reserved[56]; /* reserved for future */
483};
484
485struct snd_pcm_channel_info {
486 unsigned int channel;
487 __kernel_off_t offset; /* mmap offset */
488 unsigned int first; /* offset to first sample in bits */
489 unsigned int step; /* samples distance in bits */
490};
491
492enum {
493 /*
494 * first definition for backwards compatibility only,
495 * maps to wallclock/link time for HDAudio playback and DEFAULT/DMA time for everything else
496 */
497 SNDRV_PCM_AUDIO_TSTAMP_TYPE_COMPAT = 0,
498
499 /* timestamp definitions */
500 SNDRV_PCM_AUDIO_TSTAMP_TYPE_DEFAULT = 1, /* DMA time, reported as per hw_ptr */
501 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK = 2, /* link time reported by sample or wallclock counter, reset on startup */
502 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_ABSOLUTE = 3, /* link time reported by sample or wallclock counter, not reset on startup */
503 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_ESTIMATED = 4, /* link time estimated indirectly */
504 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_SYNCHRONIZED = 5, /* link time synchronized with system time */
505 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LAST = SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_SYNCHRONIZED
506};
507
508#if !defined(__KERNEL__) || defined(TARGET_OS2)
509/* explicit padding avoids incompatibility between i386 and x86-64 */
510#ifndef TARGET_OS2
511typedef struct { unsigned char pad[sizeof(time_t) - sizeof(int)]; } __time_pad;
512#endif
513struct snd_pcm_status {
514 snd_pcm_state_t state; /* stream state */
515#ifndef TARGET_OS2
516 __time_pad pad1; /* align to timespec */
517#endif
518 struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */
519 struct timespec tstamp; /* reference timestamp */
520 snd_pcm_uframes_t appl_ptr; /* appl ptr */
521 snd_pcm_uframes_t hw_ptr; /* hw ptr */
522 snd_pcm_sframes_t delay; /* current delay in frames */
523 snd_pcm_uframes_t avail; /* number of frames available */
524 snd_pcm_uframes_t avail_max; /* max frames available on hw since last status */
525 snd_pcm_uframes_t overrange; /* count of ADC (capture) overrange detections from last status */
526 snd_pcm_state_t suspended_state; /* suspended stream state */
527 __u32 audio_tstamp_data; /* needed for 64-bit alignment, used for configs/report to/from userspace */
528 struct timespec audio_tstamp; /* sample counter, wall clock, PHC or on-demand sync'ed */
529 struct timespec driver_tstamp; /* useful in case reference system tstamp is reported with delay */
530 __u32 audio_tstamp_accuracy; /* in ns units, only valid if indicated in audio_tstamp_data */
531 unsigned char reserved[52-2*sizeof(struct timespec)]; /* must be filled with zero */
532};
533#endif
534
535/*
536 * For mmap operations, we need the 64-bit layout, both for compat mode,
537 * and for y2038 compatibility. For 64-bit applications, the two definitions
538 * are identical, so we keep the traditional version.
539 */
540#ifdef __SND_STRUCT_TIME64
541#define __snd_pcm_mmap_status64 snd_pcm_mmap_status
542#define __snd_pcm_mmap_control64 snd_pcm_mmap_control
543#define __snd_pcm_sync_ptr64 snd_pcm_sync_ptr
544#ifdef __KERNEL__
545#define __snd_timespec64 __kernel_timespec
546#else
547#define __snd_timespec64 timespec
548#endif
549struct __snd_timespec {
550 __s32 tv_sec;
551 __s32 tv_nsec;
552};
553#else
554#define __snd_pcm_mmap_status snd_pcm_mmap_status
555#define __snd_pcm_mmap_control snd_pcm_mmap_control
556#define __snd_pcm_sync_ptr snd_pcm_sync_ptr
557#define __snd_timespec timespec
558struct __snd_timespec64 {
559 __s64 tv_sec;
560 __s64 tv_nsec;
561};
562
563#endif
564
565struct __snd_pcm_mmap_status {
566 snd_pcm_state_t state; /* RO: state - SNDRV_PCM_STATE_XXXX */
567 int pad1; /* Needed for 64 bit alignment */
568 snd_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */
569 struct __snd_timespec tstamp; /* Timestamp */
570 snd_pcm_state_t suspended_state; /* RO: suspended stream state */
571 struct __snd_timespec audio_tstamp; /* from sample counter or wall clock */
572};
573
574struct __snd_pcm_mmap_control {
575 snd_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */
576 snd_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */
577};
578
579#define SNDRV_PCM_SYNC_PTR_HWSYNC (1<<0) /* execute hwsync */
580#define SNDRV_PCM_SYNC_PTR_APPL (1<<1) /* get appl_ptr from driver (r/w op) */
581#define SNDRV_PCM_SYNC_PTR_AVAIL_MIN (1<<2) /* get avail_min from driver */
582
583struct __snd_pcm_sync_ptr {
584 unsigned int flags;
585 union {
586 struct __snd_pcm_mmap_status status;
587 unsigned char reserved[64];
588 } s;
589 union {
590 struct __snd_pcm_mmap_control control;
591 unsigned char reserved[64];
592 } c;
593};
594
595#if defined(__BYTE_ORDER) ? __BYTE_ORDER == __BIG_ENDIAN : defined(__BIG_ENDIAN)
596typedef char __pad_before_uframe[sizeof(__u64) - sizeof(snd_pcm_uframes_t)];
597typedef char __pad_after_uframe[0];
598#endif
599
600#if defined(__BYTE_ORDER) ? __BYTE_ORDER == __LITTLE_ENDIAN : defined(__LITTLE_ENDIAN)
601typedef char __pad_before_uframe[1];
602typedef char __pad_after_uframe[sizeof(__u64) - sizeof(snd_pcm_uframes_t)];
603#endif
604
605#ifdef TARGET_OS2
606struct __snd_timespec64 {
607 __s64 tv_sec;
608 __s64 tv_nsec;
609};
610#endif
611
612struct __snd_pcm_mmap_status64 {
613 snd_pcm_state_t state; /* RO: state - SNDRV_PCM_STATE_XXXX */
614 __u32 pad1; /* Needed for 64 bit alignment */
615 __pad_before_uframe __pad1;
616 snd_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */
617 __pad_after_uframe __pad2;
618 struct __snd_timespec64 tstamp; /* Timestamp */
619 snd_pcm_state_t suspended_state;/* RO: suspended stream state */
620 __u32 pad3; /* Needed for 64 bit alignment */
621 struct __snd_timespec64 audio_tstamp; /* sample counter or wall clock */
622};
623
624struct __snd_pcm_mmap_control64 {
625 __pad_before_uframe __pad1;
626 snd_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */
627 __pad_before_uframe __pad2; // This should be __pad_after_uframe, but binary
628 // backwards compatibility constraints prevent a fix.
629
630 __pad_before_uframe __pad3;
631 snd_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */
632 __pad_after_uframe __pad4;
633};
634
635struct __snd_pcm_sync_ptr64 {
636 __u32 flags;
637 __u32 pad1;
638 union {
639 struct __snd_pcm_mmap_status64 status;
640 unsigned char reserved[64];
641 } s;
642 union {
643 struct __snd_pcm_mmap_control64 control;
644 unsigned char reserved[64];
645 } c;
646};
647
648struct snd_xferi {
649 snd_pcm_sframes_t result;
650 void __user *buf;
651 snd_pcm_uframes_t frames;
652};
653
654struct snd_xfern {
655 snd_pcm_sframes_t result;
656 void __user * __user *bufs;
657 snd_pcm_uframes_t frames;
658};
659
660enum {
661 SNDRV_PCM_TSTAMP_TYPE_GETTIMEOFDAY = 0, /* gettimeofday equivalent */
662 SNDRV_PCM_TSTAMP_TYPE_MONOTONIC, /* posix_clock_monotonic equivalent */
663 SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW, /* monotonic_raw (no NTP) */
664 SNDRV_PCM_TSTAMP_TYPE_LAST = SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW,
665};
666
667/* channel positions */
668enum {
669 SNDRV_CHMAP_UNKNOWN = 0,
670 SNDRV_CHMAP_NA, /* N/A, silent */
671 SNDRV_CHMAP_MONO, /* mono stream */
672 /* this follows the alsa-lib mixer channel value + 3 */
673 SNDRV_CHMAP_FL, /* front left */
674 SNDRV_CHMAP_FR, /* front right */
675 SNDRV_CHMAP_RL, /* rear left */
676 SNDRV_CHMAP_RR, /* rear right */
677 SNDRV_CHMAP_FC, /* front center */
678 SNDRV_CHMAP_LFE, /* LFE */
679 SNDRV_CHMAP_SL, /* side left */
680 SNDRV_CHMAP_SR, /* side right */
681 SNDRV_CHMAP_RC, /* rear center */
682 /* new definitions */
683 SNDRV_CHMAP_FLC, /* front left center */
684 SNDRV_CHMAP_FRC, /* front right center */
685 SNDRV_CHMAP_RLC, /* rear left center */
686 SNDRV_CHMAP_RRC, /* rear right center */
687 SNDRV_CHMAP_FLW, /* front left wide */
688 SNDRV_CHMAP_FRW, /* front right wide */
689 SNDRV_CHMAP_FLH, /* front left high */
690 SNDRV_CHMAP_FCH, /* front center high */
691 SNDRV_CHMAP_FRH, /* front right high */
692 SNDRV_CHMAP_TC, /* top center */
693 SNDRV_CHMAP_TFL, /* top front left */
694 SNDRV_CHMAP_TFR, /* top front right */
695 SNDRV_CHMAP_TFC, /* top front center */
696 SNDRV_CHMAP_TRL, /* top rear left */
697 SNDRV_CHMAP_TRR, /* top rear right */
698 SNDRV_CHMAP_TRC, /* top rear center */
699 /* new definitions for UAC2 */
700 SNDRV_CHMAP_TFLC, /* top front left center */
701 SNDRV_CHMAP_TFRC, /* top front right center */
702 SNDRV_CHMAP_TSL, /* top side left */
703 SNDRV_CHMAP_TSR, /* top side right */
704 SNDRV_CHMAP_LLFE, /* left LFE */
705 SNDRV_CHMAP_RLFE, /* right LFE */
706 SNDRV_CHMAP_BC, /* bottom center */
707 SNDRV_CHMAP_BLC, /* bottom left center */
708 SNDRV_CHMAP_BRC, /* bottom right center */
709 SNDRV_CHMAP_LAST = SNDRV_CHMAP_BRC,
710};
711
712#define SNDRV_CHMAP_POSITION_MASK 0xffff
713#define SNDRV_CHMAP_PHASE_INVERSE (0x01 << 16)
714#define SNDRV_CHMAP_DRIVER_SPEC (0x02 << 16)
715
716#define SNDRV_PCM_IOCTL_PVERSION _IOR('A', 0x00, int)
717#define SNDRV_PCM_IOCTL_INFO _IOR('A', 0x01, struct snd_pcm_info)
718#define SNDRV_PCM_IOCTL_TSTAMP _IOW('A', 0x02, int)
719#define SNDRV_PCM_IOCTL_TTSTAMP _IOW('A', 0x03, int)
720#define SNDRV_PCM_IOCTL_USER_PVERSION _IOW('A', 0x04, int)
721#define SNDRV_PCM_IOCTL_HW_REFINE _IOWR('A', 0x10, struct snd_pcm_hw_params)
722#define SNDRV_PCM_IOCTL_HW_PARAMS _IOWR('A', 0x11, struct snd_pcm_hw_params)
723#define SNDRV_PCM_IOCTL_HW_FREE _IO('A', 0x12)
724#define SNDRV_PCM_IOCTL_SW_PARAMS _IOWR('A', 0x13, struct snd_pcm_sw_params)
725#define SNDRV_PCM_IOCTL_STATUS _IOR('A', 0x20, struct snd_pcm_status)
726#define SNDRV_PCM_IOCTL_DELAY _IOR('A', 0x21, snd_pcm_sframes_t)
727#define SNDRV_PCM_IOCTL_HWSYNC _IO('A', 0x22)
728#define __SNDRV_PCM_IOCTL_SYNC_PTR _IOWR('A', 0x23, struct __snd_pcm_sync_ptr)
729#define __SNDRV_PCM_IOCTL_SYNC_PTR64 _IOWR('A', 0x23, struct __snd_pcm_sync_ptr64)
730#define SNDRV_PCM_IOCTL_SYNC_PTR _IOWR('A', 0x23, struct snd_pcm_sync_ptr)
731#define SNDRV_PCM_IOCTL_STATUS_EXT _IOWR('A', 0x24, struct snd_pcm_status)
732#define SNDRV_PCM_IOCTL_CHANNEL_INFO _IOR('A', 0x32, struct snd_pcm_channel_info)
733#define SNDRV_PCM_IOCTL_PREPARE _IO('A', 0x40)
734#define SNDRV_PCM_IOCTL_RESET _IO('A', 0x41)
735#define SNDRV_PCM_IOCTL_START _IO('A', 0x42)
736#define SNDRV_PCM_IOCTL_DROP _IO('A', 0x43)
737#define SNDRV_PCM_IOCTL_DRAIN _IO('A', 0x44)
738#define SNDRV_PCM_IOCTL_PAUSE _IOW('A', 0x45, int)
739#define SNDRV_PCM_IOCTL_REWIND _IOW('A', 0x46, snd_pcm_uframes_t)
740#define SNDRV_PCM_IOCTL_RESUME _IO('A', 0x47)
741#define SNDRV_PCM_IOCTL_XRUN _IO('A', 0x48)
742#define SNDRV_PCM_IOCTL_FORWARD _IOW('A', 0x49, snd_pcm_uframes_t)
743#define SNDRV_PCM_IOCTL_WRITEI_FRAMES _IOW('A', 0x50, struct snd_xferi)
744#define SNDRV_PCM_IOCTL_READI_FRAMES _IOR('A', 0x51, struct snd_xferi)
745#define SNDRV_PCM_IOCTL_WRITEN_FRAMES _IOW('A', 0x52, struct snd_xfern)
746#define SNDRV_PCM_IOCTL_READN_FRAMES _IOR('A', 0x53, struct snd_xfern)
747#define SNDRV_PCM_IOCTL_LINK _IOW('A', 0x60, int)
748#define SNDRV_PCM_IOCTL_UNLINK _IO('A', 0x61)
749
750/*****************************************************************************
751 * *
752 * MIDI v1.0 interface *
753 * *
754 *****************************************************************************/
755
756/*
757 * Raw MIDI section - /dev/snd/midi??
758 */
759
760#define SNDRV_RAWMIDI_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 4)
761
762enum {
763 SNDRV_RAWMIDI_STREAM_OUTPUT = 0,
764 SNDRV_RAWMIDI_STREAM_INPUT,
765 SNDRV_RAWMIDI_STREAM_LAST = SNDRV_RAWMIDI_STREAM_INPUT,
766};
767
768#define SNDRV_RAWMIDI_INFO_OUTPUT 0x00000001
769#define SNDRV_RAWMIDI_INFO_INPUT 0x00000002
770#define SNDRV_RAWMIDI_INFO_DUPLEX 0x00000004
771#define SNDRV_RAWMIDI_INFO_UMP 0x00000008
772
773struct snd_rawmidi_info {
774 unsigned int device; /* RO/WR (control): device number */
775 unsigned int subdevice; /* RO/WR (control): subdevice number */
776 int stream; /* WR: stream */
777 int card; /* R: card number */
778 unsigned int flags; /* SNDRV_RAWMIDI_INFO_XXXX */
779 unsigned char id[64]; /* ID (user selectable) */
780 unsigned char name[80]; /* name of device */
781 unsigned char subname[32]; /* name of active or selected subdevice */
782 unsigned int subdevices_count;
783 unsigned int subdevices_avail;
784 unsigned char reserved[64]; /* reserved for future use */
785};
786
787#define SNDRV_RAWMIDI_MODE_FRAMING_MASK (7<<0)
788#define SNDRV_RAWMIDI_MODE_FRAMING_SHIFT 0
789#define SNDRV_RAWMIDI_MODE_FRAMING_NONE (0<<0)
790#define SNDRV_RAWMIDI_MODE_FRAMING_TSTAMP (1<<0)
791#define SNDRV_RAWMIDI_MODE_CLOCK_MASK (7<<3)
792#define SNDRV_RAWMIDI_MODE_CLOCK_SHIFT 3
793#define SNDRV_RAWMIDI_MODE_CLOCK_NONE (0<<3)
794#define SNDRV_RAWMIDI_MODE_CLOCK_REALTIME (1<<3)
795#define SNDRV_RAWMIDI_MODE_CLOCK_MONOTONIC (2<<3)
796#define SNDRV_RAWMIDI_MODE_CLOCK_MONOTONIC_RAW (3<<3)
797
798#define SNDRV_RAWMIDI_FRAMING_DATA_LENGTH 16
799
800struct snd_rawmidi_framing_tstamp {
801 /* For now, frame_type is always 0. Midi 2.0 is expected to add new
802 * types here. Applications are expected to skip unknown frame types.
803 */
804 __u8 frame_type;
805 __u8 length; /* number of valid bytes in data field */
806 __u8 reserved[2];
807 __u32 tv_nsec; /* nanoseconds */
808 __u64 tv_sec; /* seconds */
809 __u8 data[SNDRV_RAWMIDI_FRAMING_DATA_LENGTH];
810#ifndef TARGET_OS2
811} __packed;
812#else
813};
814#endif
815
816struct snd_rawmidi_params {
817 int stream;
818 size_t buffer_size; /* queue size in bytes */
819 size_t avail_min; /* minimum avail bytes for wakeup */
820 unsigned int no_active_sensing: 1; /* do not send active sensing byte in close() */
821 unsigned int mode; /* For input data only, frame incoming data */
822 unsigned char reserved[12]; /* reserved for future use */
823};
824
825#ifndef __KERNEL__
826struct snd_rawmidi_status {
827 int stream;
828 __time_pad pad1;
829 struct timespec tstamp; /* Timestamp */
830 size_t avail; /* available bytes */
831 size_t xruns; /* count of overruns since last status (in bytes) */
832 unsigned char reserved[16]; /* reserved for future use */
833};
834#endif
835
836/* UMP EP info flags */
837#define SNDRV_UMP_EP_INFO_STATIC_BLOCKS 0x01
838
839/* UMP EP Protocol / JRTS capability bits */
840#define SNDRV_UMP_EP_INFO_PROTO_MIDI_MASK 0x0300
841#define SNDRV_UMP_EP_INFO_PROTO_MIDI1 0x0100 /* MIDI 1.0 */
842#define SNDRV_UMP_EP_INFO_PROTO_MIDI2 0x0200 /* MIDI 2.0 */
843#define SNDRV_UMP_EP_INFO_PROTO_JRTS_MASK 0x0003
844#define SNDRV_UMP_EP_INFO_PROTO_JRTS_TX 0x0001 /* JRTS Transmit */
845#define SNDRV_UMP_EP_INFO_PROTO_JRTS_RX 0x0002 /* JRTS Receive */
846
847/* UMP Endpoint information */
848struct snd_ump_endpoint_info {
849 int card; /* card number */
850 int device; /* device number */
851 unsigned int flags; /* additional info */
852 unsigned int protocol_caps; /* protocol capabilities */
853 unsigned int protocol; /* current protocol */
854 unsigned int num_blocks; /* # of function blocks */
855 unsigned short version; /* UMP major/minor version */
856 unsigned short family_id; /* MIDI device family ID */
857 unsigned short model_id; /* MIDI family model ID */
858 unsigned int manufacturer_id; /* MIDI manufacturer ID */
859 unsigned char sw_revision[4]; /* software revision */
860 unsigned short padding;
861 unsigned char name[128]; /* endpoint name string */
862 unsigned char product_id[128]; /* unique product id string */
863 unsigned char reserved[32];
864} __packed;
865
866/* UMP direction */
867#define SNDRV_UMP_DIR_INPUT 0x01
868#define SNDRV_UMP_DIR_OUTPUT 0x02
869#define SNDRV_UMP_DIR_BIDIRECTION 0x03
870
871/* UMP block info flags */
872#define SNDRV_UMP_BLOCK_IS_MIDI1 (1U << 0) /* MIDI 1.0 port w/o restrict */
873#define SNDRV_UMP_BLOCK_IS_LOWSPEED (1U << 1) /* 31.25Kbps B/W MIDI1 port */
874
875/* UMP block user-interface hint */
876#define SNDRV_UMP_BLOCK_UI_HINT_UNKNOWN 0x00
877#define SNDRV_UMP_BLOCK_UI_HINT_RECEIVER 0x01
878#define SNDRV_UMP_BLOCK_UI_HINT_SENDER 0x02
879#define SNDRV_UMP_BLOCK_UI_HINT_BOTH 0x03
880
881/* UMP groups and blocks */
882#define SNDRV_UMP_MAX_GROUPS 16
883#define SNDRV_UMP_MAX_BLOCKS 32
884
885/* UMP Block information */
886struct snd_ump_block_info {
887 int card; /* card number */
888 int device; /* device number */
889 unsigned char block_id; /* block ID (R/W) */
890 unsigned char direction; /* UMP direction */
891 unsigned char active; /* Activeness */
892 unsigned char first_group; /* first group ID */
893 unsigned char num_groups; /* number of groups */
894 unsigned char midi_ci_version; /* MIDI-CI support version */
895 unsigned char sysex8_streams; /* max number of sysex8 streams */
896 unsigned char ui_hint; /* user interface hint */
897 unsigned int flags; /* various info flags */
898 unsigned char name[128]; /* block name string */
899 unsigned char reserved[32];
900} __packed;
901
902#define SNDRV_RAWMIDI_IOCTL_PVERSION _IOR('W', 0x00, int)
903#define SNDRV_RAWMIDI_IOCTL_INFO _IOR('W', 0x01, struct snd_rawmidi_info)
904#define SNDRV_RAWMIDI_IOCTL_USER_PVERSION _IOW('W', 0x02, int)
905#define SNDRV_RAWMIDI_IOCTL_PARAMS _IOWR('W', 0x10, struct snd_rawmidi_params)
906#define SNDRV_RAWMIDI_IOCTL_STATUS _IOWR('W', 0x20, struct snd_rawmidi_status)
907#define SNDRV_RAWMIDI_IOCTL_DROP _IOW('W', 0x30, int)
908#define SNDRV_RAWMIDI_IOCTL_DRAIN _IOW('W', 0x31, int)
909/* Additional ioctls for UMP rawmidi devices */
910#define SNDRV_UMP_IOCTL_ENDPOINT_INFO _IOR('W', 0x40, struct snd_ump_endpoint_info)
911#define SNDRV_UMP_IOCTL_BLOCK_INFO _IOR('W', 0x41, struct snd_ump_block_info)
912
913/*
914 * Timer section - /dev/snd/timer
915 */
916
917#define SNDRV_TIMER_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 8)
918
919enum {
920 SNDRV_TIMER_CLASS_NONE = -1,
921 SNDRV_TIMER_CLASS_SLAVE = 0,
922 SNDRV_TIMER_CLASS_GLOBAL,
923 SNDRV_TIMER_CLASS_CARD,
924 SNDRV_TIMER_CLASS_PCM,
925 SNDRV_TIMER_CLASS_LAST = SNDRV_TIMER_CLASS_PCM,
926};
927
928/* slave timer classes */
929enum {
930 SNDRV_TIMER_SCLASS_NONE = 0,
931 SNDRV_TIMER_SCLASS_APPLICATION,
932 SNDRV_TIMER_SCLASS_SEQUENCER, /* alias */
933 SNDRV_TIMER_SCLASS_OSS_SEQUENCER, /* alias */
934 SNDRV_TIMER_SCLASS_LAST = SNDRV_TIMER_SCLASS_OSS_SEQUENCER,
935};
936
937/* global timers (device member) */
938#define SNDRV_TIMER_GLOBAL_SYSTEM 0
939#define SNDRV_TIMER_GLOBAL_RTC 1 /* unused */
940#define SNDRV_TIMER_GLOBAL_HPET 2
941#define SNDRV_TIMER_GLOBAL_HRTIMER 3
942#define SNDRV_TIMER_GLOBAL_UDRIVEN 4
943
944/* info flags */
945#define SNDRV_TIMER_FLG_SLAVE (1<<0) /* cannot be controlled */
946
947struct snd_timer_id {
948 int dev_class;
949 int dev_sclass;
950 int card;
951 int device;
952 int subdevice;
953};
954
955struct snd_timer_ginfo {
956 struct snd_timer_id tid; /* requested timer ID */
957 unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */
958 int card; /* card number */
959 unsigned char id[64]; /* timer identification */
960 unsigned char name[80]; /* timer name */
961 unsigned long reserved0; /* reserved for future use */
962 unsigned long resolution; /* average period resolution in ns */
963 unsigned long resolution_min; /* minimal period resolution in ns */
964 unsigned long resolution_max; /* maximal period resolution in ns */
965 unsigned int clients; /* active timer clients */
966 unsigned char reserved[32];
967};
968
969struct snd_timer_gparams {
970 struct snd_timer_id tid; /* requested timer ID */
971 unsigned long period_num; /* requested precise period duration (in seconds) - numerator */
972 unsigned long period_den; /* requested precise period duration (in seconds) - denominator */
973 unsigned char reserved[32];
974};
975
976struct snd_timer_gstatus {
977 struct snd_timer_id tid; /* requested timer ID */
978 unsigned long resolution; /* current period resolution in ns */
979 unsigned long resolution_num; /* precise current period resolution (in seconds) - numerator */
980 unsigned long resolution_den; /* precise current period resolution (in seconds) - denominator */
981 unsigned char reserved[32];
982};
983
984struct snd_timer_select {
985 struct snd_timer_id id; /* bind to timer ID */
986 unsigned char reserved[32]; /* reserved */
987};
988
989struct snd_timer_info {
990 unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */
991 int card; /* card number */
992 unsigned char id[64]; /* timer identificator */
993 unsigned char name[80]; /* timer name */
994 unsigned long reserved0; /* reserved for future use */
995 unsigned long resolution; /* average period resolution in ns */
996 unsigned char reserved[64]; /* reserved */
997};
998
999#define SNDRV_TIMER_PSFLG_AUTO (1<<0) /* auto start, otherwise one-shot */
1000#define SNDRV_TIMER_PSFLG_EXCLUSIVE (1<<1) /* exclusive use, precise start/stop/pause/continue */
1001#define SNDRV_TIMER_PSFLG_EARLY_EVENT (1<<2) /* write early event to the poll queue */
1002
1003struct snd_timer_params {
1004 unsigned int flags; /* flags - SNDRV_TIMER_PSFLG_* */
1005 unsigned int ticks; /* requested resolution in ticks */
1006 unsigned int queue_size; /* total size of queue (32-1024) */
1007 unsigned int reserved0; /* reserved, was: failure locations */
1008 unsigned int filter; /* event filter (bitmask of SNDRV_TIMER_EVENT_*) */
1009 unsigned char reserved[60]; /* reserved */
1010};
1011
1012#ifndef __KERNEL__
1013struct snd_timer_status {
1014 struct timespec tstamp; /* Timestamp - last update */
1015 unsigned int resolution; /* current period resolution in ns */
1016 unsigned int lost; /* counter of master tick lost */
1017 unsigned int overrun; /* count of read queue overruns */
1018 unsigned int queue; /* used queue size */
1019 unsigned char reserved[64]; /* reserved */
1020};
1021#endif
1022
1023/*
1024 * This structure describes the userspace-driven timer. Such timers are purely virtual,
1025 * and can only be triggered from software (for instance, by userspace application).
1026 */
1027struct snd_timer_uinfo {
1028 /* To pretend being a normal timer, we need to know the resolution in ns. */
1029 __u64 resolution;
1030 int fd;
1031 unsigned int id;
1032 unsigned char reserved[16];
1033};
1034
1035#define SNDRV_TIMER_IOCTL_PVERSION _IOR('T', 0x00, int)
1036#define SNDRV_TIMER_IOCTL_NEXT_DEVICE _IOWR('T', 0x01, struct snd_timer_id)
1037#define SNDRV_TIMER_IOCTL_TREAD_OLD _IOW('T', 0x02, int)
1038#define SNDRV_TIMER_IOCTL_GINFO _IOWR('T', 0x03, struct snd_timer_ginfo)
1039#define SNDRV_TIMER_IOCTL_GPARAMS _IOW('T', 0x04, struct snd_timer_gparams)
1040#define SNDRV_TIMER_IOCTL_GSTATUS _IOWR('T', 0x05, struct snd_timer_gstatus)
1041#define SNDRV_TIMER_IOCTL_SELECT _IOW('T', 0x10, struct snd_timer_select)
1042#define SNDRV_TIMER_IOCTL_INFO _IOR('T', 0x11, struct snd_timer_info)
1043#define SNDRV_TIMER_IOCTL_PARAMS _IOW('T', 0x12, struct snd_timer_params)
1044#define SNDRV_TIMER_IOCTL_STATUS _IOR('T', 0x14, struct snd_timer_status)
1045/* The following four ioctls are changed since 1.0.9 due to confliction */
1046#define SNDRV_TIMER_IOCTL_START _IO('T', 0xa0)
1047#define SNDRV_TIMER_IOCTL_STOP _IO('T', 0xa1)
1048#define SNDRV_TIMER_IOCTL_CONTINUE _IO('T', 0xa2)
1049#define SNDRV_TIMER_IOCTL_PAUSE _IO('T', 0xa3)
1050#define SNDRV_TIMER_IOCTL_TREAD64 _IOW('T', 0xa4, int)
1051#define SNDRV_TIMER_IOCTL_CREATE _IOWR('T', 0xa5, struct snd_timer_uinfo)
1052#define SNDRV_TIMER_IOCTL_TRIGGER _IO('T', 0xa6)
1053
1054#if __BITS_PER_LONG == 64
1055#define SNDRV_TIMER_IOCTL_TREAD SNDRV_TIMER_IOCTL_TREAD_OLD
1056#else
1057#define SNDRV_TIMER_IOCTL_TREAD ((sizeof(__kernel_long_t) >= sizeof(time_t)) ? \
1058 SNDRV_TIMER_IOCTL_TREAD_OLD : \
1059 SNDRV_TIMER_IOCTL_TREAD64)
1060#endif
1061
1062struct snd_timer_read {
1063 unsigned int resolution;
1064 unsigned int ticks;
1065};
1066
1067enum {
1068 SNDRV_TIMER_EVENT_RESOLUTION = 0, /* val = resolution in ns */
1069 SNDRV_TIMER_EVENT_TICK, /* val = ticks */
1070 SNDRV_TIMER_EVENT_START, /* val = resolution in ns */
1071 SNDRV_TIMER_EVENT_STOP, /* val = 0 */
1072 SNDRV_TIMER_EVENT_CONTINUE, /* val = resolution in ns */
1073 SNDRV_TIMER_EVENT_PAUSE, /* val = 0 */
1074 SNDRV_TIMER_EVENT_EARLY, /* val = 0, early event */
1075 SNDRV_TIMER_EVENT_SUSPEND, /* val = 0 */
1076 SNDRV_TIMER_EVENT_RESUME, /* val = resolution in ns */
1077 /* master timer events for slave timer instances */
1078 SNDRV_TIMER_EVENT_MSTART = SNDRV_TIMER_EVENT_START + 10,
1079 SNDRV_TIMER_EVENT_MSTOP = SNDRV_TIMER_EVENT_STOP + 10,
1080 SNDRV_TIMER_EVENT_MCONTINUE = SNDRV_TIMER_EVENT_CONTINUE + 10,
1081 SNDRV_TIMER_EVENT_MPAUSE = SNDRV_TIMER_EVENT_PAUSE + 10,
1082 SNDRV_TIMER_EVENT_MSUSPEND = SNDRV_TIMER_EVENT_SUSPEND + 10,
1083 SNDRV_TIMER_EVENT_MRESUME = SNDRV_TIMER_EVENT_RESUME + 10,
1084};
1085
1086#ifndef __KERNEL__
1087struct snd_timer_tread {
1088 int event;
1089 __time_pad pad1;
1090 struct timespec tstamp;
1091 unsigned int val;
1092 __time_pad pad2;
1093};
1094#endif
1095
1096/****************************************************************************
1097 * *
1098 * Section for driver control interface - /dev/snd/control? *
1099 * *
1100 ****************************************************************************/
1101
1102#define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 9)
1103
1104/******************** This section used in uniaud.dll interface *********************/
1105struct snd_ctl_card_info {
1106 int card; /* card number */
1107 int pad; /* reserved for future (was type) */
1108 unsigned char id[16]; /* ID of card (user selectable) */
1109 unsigned char driver[16]; /* Driver name */
1110 unsigned char name[32]; /* Short name of soundcard */
1111 unsigned char longname[80]; /* name + info text about soundcard */
1112 unsigned char reserved_[16]; /* reserved for future (was ID of mixer) */
1113 unsigned char mixername[80]; /* visual mixer identification */
1114 unsigned char components[128]; /* card components / fine identification, delimited with one space (AC97 etc..) */
1115};
1116
1117typedef int __bitwise snd_ctl_elem_type_t;
1118#define SNDRV_CTL_ELEM_TYPE_NONE ((__force snd_ctl_elem_type_t) 0) /* invalid */
1119#define SNDRV_CTL_ELEM_TYPE_BOOLEAN ((__force snd_ctl_elem_type_t) 1) /* boolean type */
1120#define SNDRV_CTL_ELEM_TYPE_INTEGER ((__force snd_ctl_elem_type_t) 2) /* integer type */
1121#define SNDRV_CTL_ELEM_TYPE_ENUMERATED ((__force snd_ctl_elem_type_t) 3) /* enumerated type */
1122#define SNDRV_CTL_ELEM_TYPE_BYTES ((__force snd_ctl_elem_type_t) 4) /* byte array */
1123#define SNDRV_CTL_ELEM_TYPE_IEC958 ((__force snd_ctl_elem_type_t) 5) /* IEC958 (S/PDIF) setup */
1124#define SNDRV_CTL_ELEM_TYPE_INTEGER64 ((__force snd_ctl_elem_type_t) 6) /* 64-bit integer type */
1125#define SNDRV_CTL_ELEM_TYPE_LAST SNDRV_CTL_ELEM_TYPE_INTEGER64
1126
1127typedef int __bitwise snd_ctl_elem_iface_t;
1128#define SNDRV_CTL_ELEM_IFACE_CARD ((__force snd_ctl_elem_iface_t) 0) /* global control */
1129#define SNDRV_CTL_ELEM_IFACE_HWDEP ((__force snd_ctl_elem_iface_t) 1) /* hardware dependent device */
1130#define SNDRV_CTL_ELEM_IFACE_MIXER ((__force snd_ctl_elem_iface_t) 2) /* virtual mixer device */
1131#define SNDRV_CTL_ELEM_IFACE_PCM ((__force snd_ctl_elem_iface_t) 3) /* PCM device */
1132#define SNDRV_CTL_ELEM_IFACE_RAWMIDI ((__force snd_ctl_elem_iface_t) 4) /* RawMidi device */
1133#define SNDRV_CTL_ELEM_IFACE_TIMER ((__force snd_ctl_elem_iface_t) 5) /* timer device */
1134#define SNDRV_CTL_ELEM_IFACE_SEQUENCER ((__force snd_ctl_elem_iface_t) 6) /* sequencer client */
1135#define SNDRV_CTL_ELEM_IFACE_LAST SNDRV_CTL_ELEM_IFACE_SEQUENCER
1136
1137#define SNDRV_CTL_ELEM_ACCESS_READ (1<<0)
1138#define SNDRV_CTL_ELEM_ACCESS_WRITE (1<<1)
1139#define SNDRV_CTL_ELEM_ACCESS_READWRITE (SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE)
1140#define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1<<2) /* control value may be changed without a notification */
1141/* (1 << 3) is unused. */
1142#define SNDRV_CTL_ELEM_ACCESS_TLV_READ (1<<4) /* TLV read is possible */
1143#define SNDRV_CTL_ELEM_ACCESS_TLV_WRITE (1<<5) /* TLV write is possible */
1144#define SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE (SNDRV_CTL_ELEM_ACCESS_TLV_READ|SNDRV_CTL_ELEM_ACCESS_TLV_WRITE)
1145#define SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND (1<<6) /* TLV command is possible */
1146#define SNDRV_CTL_ELEM_ACCESS_INACTIVE (1<<8) /* control does actually nothing, but may be updated */
1147#define SNDRV_CTL_ELEM_ACCESS_LOCK (1<<9) /* write lock */
1148#define SNDRV_CTL_ELEM_ACCESS_OWNER (1<<10) /* write lock owner */
1149#define SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK (1<<28) /* kernel use a TLV callback */
1150#define SNDRV_CTL_ELEM_ACCESS_USER (1<<29) /* user space element */
1151/* bits 30 and 31 are obsoleted (for indirect access) */
1152
1153/* for further details see the ACPI and PCI power management specification */
1154#define SNDRV_CTL_POWER_D0 0x0000 /* full On */
1155#define SNDRV_CTL_POWER_D1 0x0100 /* partial On */
1156#define SNDRV_CTL_POWER_D2 0x0200 /* partial On */
1157#define SNDRV_CTL_POWER_D3 0x0300 /* Off */
1158#define SNDRV_CTL_POWER_D3hot (SNDRV_CTL_POWER_D3|0x0000) /* Off, with power */
1159#define SNDRV_CTL_POWER_D3cold (SNDRV_CTL_POWER_D3|0x0001) /* Off, without power */
1160
1161#define SNDRV_CTL_ELEM_ID_NAME_MAXLEN 44
1162
1163struct snd_ctl_elem_id {
1164 unsigned int numid; /* numeric identifier, zero = invalid */
1165 snd_ctl_elem_iface_t iface; /* interface identifier */
1166 unsigned int device; /* device/client number */
1167 unsigned int subdevice; /* subdevice (substream) number */
1168 unsigned char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* ASCII name of item */
1169 unsigned int index; /* index of item */
1170};
1171
1172struct snd_ctl_elem_list {
1173 unsigned int offset; /* W: first element ID to get */
1174 unsigned int space; /* W: count of element IDs to get */
1175 unsigned int used; /* R: count of element IDs set */
1176 unsigned int count; /* R: count of all elements */
1177 struct snd_ctl_elem_id __user *pids; /* R: IDs */
1178 unsigned char reserved[50];
1179};
1180
1181struct snd_ctl_elem_info {
1182 struct snd_ctl_elem_id id; /* W: element ID */
1183 snd_ctl_elem_type_t type; /* R: value type - SNDRV_CTL_ELEM_TYPE_* */
1184 unsigned int access; /* R: value access (bitmask) - SNDRV_CTL_ELEM_ACCESS_* */
1185 unsigned int count; /* count of values */
1186 __kernel_pid_t owner; /* owner's PID of this control */
1187 union {
1188 struct {
1189 long min; /* R: minimum value */
1190 long max; /* R: maximum value */
1191 long step; /* R: step (0 variable) */
1192 } integer;
1193 struct {
1194 long long min; /* R: minimum value */
1195 long long max; /* R: maximum value */
1196 long long step; /* R: step (0 variable) */
1197 } integer64;
1198 struct {
1199 unsigned int items; /* R: number of items */
1200 unsigned int item; /* W: item number */
1201 char name[64]; /* R: value name */
1202 __u64 names_ptr; /* W: names list (ELEM_ADD only) */
1203 unsigned int names_length;
1204 } enumerated;
1205 unsigned char reserved[128];
1206 } value;
1207 unsigned char reserved[64];
1208};
1209
1210struct snd_ctl_elem_value {
1211 struct snd_ctl_elem_id id; /* W: element ID */
1212 unsigned int indirect: 1; /* W: indirect access - obsoleted */
1213 union {
1214 union {
1215 long value[128];
1216 long *value_ptr; /* obsoleted */
1217 } integer;
1218 union {
1219 long long value[64];
1220 long long *value_ptr; /* obsoleted */
1221 } integer64;
1222 union {
1223 unsigned int item[128];
1224 unsigned int *item_ptr; /* obsoleted */
1225 } enumerated;
1226 union {
1227 unsigned char data[512];
1228 unsigned char *data_ptr; /* obsoleted */
1229 } bytes;
1230 struct snd_aes_iec958 iec958;
1231 } value; /* RO */
1232 unsigned char reserved[128];
1233};
1234
1235struct snd_ctl_tlv {
1236 unsigned int numid; /* control element numeric identification */
1237 unsigned int length; /* in bytes aligned to 4 */
1238#ifndef TARGET_OS2
1239 unsigned int tlv[]; /* first TLV */
1240#else
1241 unsigned int tlv[1]; /* first TLV */
1242#endif
1243};
1244
1245#define SNDRV_CTL_IOCTL_PVERSION _IOR('U', 0x00, int)
1246#define SNDRV_CTL_IOCTL_CARD_INFO _IOR('U', 0x01, struct snd_ctl_card_info)
1247#define SNDRV_CTL_IOCTL_ELEM_LIST _IOWR('U', 0x10, struct snd_ctl_elem_list)
1248#define SNDRV_CTL_IOCTL_ELEM_INFO _IOWR('U', 0x11, struct snd_ctl_elem_info)
1249#define SNDRV_CTL_IOCTL_ELEM_READ _IOWR('U', 0x12, struct snd_ctl_elem_value)
1250#define SNDRV_CTL_IOCTL_ELEM_WRITE _IOWR('U', 0x13, struct snd_ctl_elem_value)
1251#define SNDRV_CTL_IOCTL_ELEM_LOCK _IOW('U', 0x14, struct snd_ctl_elem_id)
1252#define SNDRV_CTL_IOCTL_ELEM_UNLOCK _IOW('U', 0x15, struct snd_ctl_elem_id)
1253#define SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS _IOWR('U', 0x16, int)
1254#define SNDRV_CTL_IOCTL_ELEM_ADD _IOWR('U', 0x17, struct snd_ctl_elem_info)
1255#define SNDRV_CTL_IOCTL_ELEM_REPLACE _IOWR('U', 0x18, struct snd_ctl_elem_info)
1256#define SNDRV_CTL_IOCTL_ELEM_REMOVE _IOWR('U', 0x19, struct snd_ctl_elem_id)
1257#define SNDRV_CTL_IOCTL_TLV_READ _IOWR('U', 0x1a, struct snd_ctl_tlv)
1258#define SNDRV_CTL_IOCTL_TLV_WRITE _IOWR('U', 0x1b, struct snd_ctl_tlv)
1259#define SNDRV_CTL_IOCTL_TLV_COMMAND _IOWR('U', 0x1c, struct snd_ctl_tlv)
1260#define SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE _IOWR('U', 0x20, int)
1261#define SNDRV_CTL_IOCTL_HWDEP_INFO _IOR('U', 0x21, struct snd_hwdep_info)
1262#define SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE _IOR('U', 0x30, int)
1263#define SNDRV_CTL_IOCTL_PCM_INFO _IOWR('U', 0x31, struct snd_pcm_info)
1264#define SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE _IOW('U', 0x32, int)
1265#define SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE _IOWR('U', 0x40, int)
1266#define SNDRV_CTL_IOCTL_RAWMIDI_INFO _IOWR('U', 0x41, struct snd_rawmidi_info)
1267#define SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE _IOW('U', 0x42, int)
1268#define SNDRV_CTL_IOCTL_UMP_NEXT_DEVICE _IOWR('U', 0x43, int)
1269#define SNDRV_CTL_IOCTL_UMP_ENDPOINT_INFO _IOWR('U', 0x44, struct snd_ump_endpoint_info)
1270#define SNDRV_CTL_IOCTL_UMP_BLOCK_INFO _IOWR('U', 0x45, struct snd_ump_block_info)
1271#define SNDRV_CTL_IOCTL_POWER _IOWR('U', 0xd0, int)
1272#define SNDRV_CTL_IOCTL_POWER_STATE _IOR('U', 0xd1, int)
1273#ifdef TARGET_OS2
1274#define SNDRV_PCM_IOCTL_SETVOLUME _IOW('A', 0x62, struct snd_pcm_volume)
1275#define SNDRV_PCM_IOCTL_GETVOLUME _IOR('A', 0x63, struct snd_pcm_volume)
1276#endif
1277
1278/*
1279 * Read interface.
1280 */
1281
1282enum sndrv_ctl_event_type {
1283 SNDRV_CTL_EVENT_ELEM = 0,
1284 SNDRV_CTL_EVENT_LAST = SNDRV_CTL_EVENT_ELEM,
1285};
1286
1287#define SNDRV_CTL_EVENT_MASK_VALUE (1<<0) /* element value was changed */
1288#define SNDRV_CTL_EVENT_MASK_INFO (1<<1) /* element info was changed */
1289#define SNDRV_CTL_EVENT_MASK_ADD (1<<2) /* element was added */
1290#define SNDRV_CTL_EVENT_MASK_TLV (1<<3) /* element TLV tree was changed */
1291#define SNDRV_CTL_EVENT_MASK_REMOVE (~0U) /* element was removed */
1292
1293struct snd_ctl_event {
1294 int type; /* event type - SNDRV_CTL_EVENT_* */
1295 union {
1296 struct {
1297 unsigned int mask;
1298 struct snd_ctl_elem_id id;
1299 } elem;
1300 unsigned char data8[60];
1301 } data;
1302};
1303
1304/*
1305 * Control names
1306 */
1307
1308#define SNDRV_CTL_NAME_NONE ""
1309#define SNDRV_CTL_NAME_PLAYBACK "Playback "
1310#define SNDRV_CTL_NAME_CAPTURE "Capture "
1311
1312#define SNDRV_CTL_NAME_IEC958_NONE ""
1313#define SNDRV_CTL_NAME_IEC958_SWITCH "Switch"
1314#define SNDRV_CTL_NAME_IEC958_VOLUME "Volume"
1315#define SNDRV_CTL_NAME_IEC958_DEFAULT "Default"
1316#define SNDRV_CTL_NAME_IEC958_MASK "Mask"
1317#define SNDRV_CTL_NAME_IEC958_CON_MASK "Con Mask"
1318#define SNDRV_CTL_NAME_IEC958_PRO_MASK "Pro Mask"
1319#define SNDRV_CTL_NAME_IEC958_PCM_STREAM "PCM Stream"
1320#define SNDRV_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SNDRV_CTL_NAME_##direction SNDRV_CTL_NAME_IEC958_##what
1321
1322#endif /* _UAPI__SOUND_ASOUND_H */
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