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 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 */
23
24#ifndef _UAPI__SOUND_ASOUND_H
25#define _UAPI__SOUND_ASOUND_H
26
27#if defined(__KERNEL__) || defined(__linux__)
28#include <linux/types.h>
29#else
30#include <sys/ioctl.h>
31#endif
32
33#ifndef __KERNEL__
34#include <stdlib.h>
35#endif
36
37/*
38 * protocol version
39 */
40
41#define SNDRV_PROTOCOL_VERSION(major, minor, subminor) (((major)<<16)|((minor)<<8)|(subminor))
42#define SNDRV_PROTOCOL_MAJOR(version) (((version)>>16)&0xffff)
43#define SNDRV_PROTOCOL_MINOR(version) (((version)>>8)&0xff)
44#define SNDRV_PROTOCOL_MICRO(version) ((version)&0xff)
45#define SNDRV_PROTOCOL_INCOMPATIBLE(kversion, uversion) \
46 (SNDRV_PROTOCOL_MAJOR(kversion) != SNDRV_PROTOCOL_MAJOR(uversion) || \
47 (SNDRV_PROTOCOL_MAJOR(kversion) == SNDRV_PROTOCOL_MAJOR(uversion) && \
48 SNDRV_PROTOCOL_MINOR(kversion) != SNDRV_PROTOCOL_MINOR(uversion)))
49
50/****************************************************************************
51 * *
52 * Digital audio interface *
53 * *
54 ****************************************************************************/
55
56struct snd_aes_iec958 {
57 unsigned char status[24]; /* AES/IEC958 channel status bits */
58 unsigned char subcode[147]; /* AES/IEC958 subcode bits */
59 unsigned char pad; /* nothing */
60 unsigned char dig_subframe[4]; /* AES/IEC958 subframe bits */
61};
62
63/****************************************************************************
64 * *
65 * CEA-861 Audio InfoFrame. Used in HDMI and DisplayPort *
66 * *
67 ****************************************************************************/
68
69struct snd_cea_861_aud_if {
70 unsigned char db1_ct_cc; /* coding type and channel count */
71 unsigned char db2_sf_ss; /* sample frequency and size */
72 unsigned char db3; /* not used, all zeros */
73 unsigned char db4_ca; /* channel allocation code */
74 unsigned char db5_dminh_lsv; /* downmix inhibit & level-shit values */
75};
76
77/****************************************************************************
78 * *
79 * Section for driver hardware dependent interface - /dev/snd/hw? *
80 * *
81 ****************************************************************************/
82
83#define SNDRV_HWDEP_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1)
84
85enum {
86 SNDRV_HWDEP_IFACE_OPL2 = 0,
87 SNDRV_HWDEP_IFACE_OPL3,
88 SNDRV_HWDEP_IFACE_OPL4,
89 SNDRV_HWDEP_IFACE_SB16CSP, /* Creative Signal Processor */
90 SNDRV_HWDEP_IFACE_EMU10K1, /* FX8010 processor in EMU10K1 chip */
91 SNDRV_HWDEP_IFACE_YSS225, /* Yamaha FX processor */
92 SNDRV_HWDEP_IFACE_ICS2115, /* Wavetable synth */
93 SNDRV_HWDEP_IFACE_SSCAPE, /* Ensoniq SoundScape ISA card (MC68EC000) */
94 SNDRV_HWDEP_IFACE_VX, /* Digigram VX cards */
95 SNDRV_HWDEP_IFACE_MIXART, /* Digigram miXart cards */
96 SNDRV_HWDEP_IFACE_USX2Y, /* Tascam US122, US224 & US428 usb */
97 SNDRV_HWDEP_IFACE_EMUX_WAVETABLE, /* EmuX wavetable */
98 SNDRV_HWDEP_IFACE_BLUETOOTH, /* Bluetooth audio */
99 SNDRV_HWDEP_IFACE_USX2Y_PCM, /* Tascam US122, US224 & US428 rawusb pcm */
100 SNDRV_HWDEP_IFACE_PCXHR, /* Digigram PCXHR */
101 SNDRV_HWDEP_IFACE_SB_RC, /* SB Extigy/Audigy2NX remote control */
102 SNDRV_HWDEP_IFACE_HDA, /* HD-audio */
103 SNDRV_HWDEP_IFACE_USB_STREAM, /* direct access to usb stream */
104 SNDRV_HWDEP_IFACE_FW_DICE, /* TC DICE FireWire device */
105 SNDRV_HWDEP_IFACE_FW_FIREWORKS, /* Echo Audio Fireworks based device */
106 SNDRV_HWDEP_IFACE_FW_BEBOB, /* BridgeCo BeBoB based device */
107 SNDRV_HWDEP_IFACE_FW_OXFW, /* Oxford OXFW970/971 based device */
108 SNDRV_HWDEP_IFACE_FW_DIGI00X, /* Digidesign Digi 002/003 family */
109 SNDRV_HWDEP_IFACE_FW_TASCAM, /* TASCAM FireWire series */
110 SNDRV_HWDEP_IFACE_LINE6, /* Line6 USB processors */
111 SNDRV_HWDEP_IFACE_FW_MOTU, /* MOTU FireWire series */
112 SNDRV_HWDEP_IFACE_FW_FIREFACE, /* RME Fireface series */
113
114 /* Don't forget to change the following: */
115 SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_FW_FIREFACE
116};
117
118struct snd_hwdep_info {
119 unsigned int device; /* WR: device number */
120 int card; /* R: card number */
121 unsigned char id[64]; /* ID (user selectable) */
122 unsigned char name[80]; /* hwdep name */
123 int iface; /* hwdep interface */
124 unsigned char reserved[64]; /* reserved for future */
125};
126
127/* generic DSP loader */
128struct snd_hwdep_dsp_status {
129 unsigned int version; /* R: driver-specific version */
130 unsigned char id[32]; /* R: driver-specific ID string */
131 unsigned int num_dsps; /* R: number of DSP images to transfer */
132 unsigned int dsp_loaded; /* R: bit flags indicating the loaded DSPs */
133 unsigned int chip_ready; /* R: 1 = initialization finished */
134 unsigned char reserved[16]; /* reserved for future use */
135};
136
137struct snd_hwdep_dsp_image {
138 unsigned int index; /* W: DSP index */
139 unsigned char name[64]; /* W: ID (e.g. file name) */
140 unsigned char __user *image; /* W: binary image */
141 size_t length; /* W: size of image in bytes */
142 unsigned long driver_data; /* W: driver-specific data */
143};
144
145#define SNDRV_HWDEP_IOCTL_PVERSION _IOR ('H', 0x00, int)
146#define SNDRV_HWDEP_IOCTL_INFO _IOR ('H', 0x01, struct snd_hwdep_info)
147#define SNDRV_HWDEP_IOCTL_DSP_STATUS _IOR('H', 0x02, struct snd_hwdep_dsp_status)
148#define SNDRV_HWDEP_IOCTL_DSP_LOAD _IOW('H', 0x03, struct snd_hwdep_dsp_image)
149
150/*****************************************************************************
151 * *
152 * Digital Audio (PCM) interface - /dev/snd/pcm?? *
153 * *
154 *****************************************************************************/
155
156#define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 14)
157
158typedef unsigned long snd_pcm_uframes_t;
159typedef signed long snd_pcm_sframes_t;
160
161enum {
162 SNDRV_PCM_CLASS_GENERIC = 0, /* standard mono or stereo device */
163 SNDRV_PCM_CLASS_MULTI, /* multichannel device */
164 SNDRV_PCM_CLASS_MODEM, /* software modem class */
165 SNDRV_PCM_CLASS_DIGITIZER, /* digitizer class */
166 /* Don't forget to change the following: */
167 SNDRV_PCM_CLASS_LAST = SNDRV_PCM_CLASS_DIGITIZER,
168};
169
170enum {
171 SNDRV_PCM_SUBCLASS_GENERIC_MIX = 0, /* mono or stereo subdevices are mixed together */
172 SNDRV_PCM_SUBCLASS_MULTI_MIX, /* multichannel subdevices are mixed together */
173 /* Don't forget to change the following: */
174 SNDRV_PCM_SUBCLASS_LAST = SNDRV_PCM_SUBCLASS_MULTI_MIX,
175};
176
177enum {
178 SNDRV_PCM_STREAM_PLAYBACK = 0,
179 SNDRV_PCM_STREAM_CAPTURE,
180 SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE,
181};
182
183typedef int __bitwise snd_pcm_access_t;
184#define SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ((__force snd_pcm_access_t) 0) /* interleaved mmap */
185#define SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ((__force snd_pcm_access_t) 1) /* noninterleaved mmap */
186#define SNDRV_PCM_ACCESS_MMAP_COMPLEX ((__force snd_pcm_access_t) 2) /* complex mmap */
187#define SNDRV_PCM_ACCESS_RW_INTERLEAVED ((__force snd_pcm_access_t) 3) /* readi/writei */
188#define SNDRV_PCM_ACCESS_RW_NONINTERLEAVED ((__force snd_pcm_access_t) 4) /* readn/writen */
189#define SNDRV_PCM_ACCESS_LAST SNDRV_PCM_ACCESS_RW_NONINTERLEAVED
190
191typedef int __bitwise snd_pcm_format_t;
192#define SNDRV_PCM_FORMAT_S8 ((__force snd_pcm_format_t) 0)
193#define SNDRV_PCM_FORMAT_U8 ((__force snd_pcm_format_t) 1)
194#define SNDRV_PCM_FORMAT_S16_LE ((__force snd_pcm_format_t) 2)
195#define SNDRV_PCM_FORMAT_S16_BE ((__force snd_pcm_format_t) 3)
196#define SNDRV_PCM_FORMAT_U16_LE ((__force snd_pcm_format_t) 4)
197#define SNDRV_PCM_FORMAT_U16_BE ((__force snd_pcm_format_t) 5)
198#define SNDRV_PCM_FORMAT_S24_LE ((__force snd_pcm_format_t) 6) /* low three bytes */
199#define SNDRV_PCM_FORMAT_S24_BE ((__force snd_pcm_format_t) 7) /* low three bytes */
200#define SNDRV_PCM_FORMAT_U24_LE ((__force snd_pcm_format_t) 8) /* low three bytes */
201#define SNDRV_PCM_FORMAT_U24_BE ((__force snd_pcm_format_t) 9) /* low three bytes */
202#define SNDRV_PCM_FORMAT_S32_LE ((__force snd_pcm_format_t) 10)
203#define SNDRV_PCM_FORMAT_S32_BE ((__force snd_pcm_format_t) 11)
204#define SNDRV_PCM_FORMAT_U32_LE ((__force snd_pcm_format_t) 12)
205#define SNDRV_PCM_FORMAT_U32_BE ((__force snd_pcm_format_t) 13)
206#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 */
207#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 */
208#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 */
209#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 */
210#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE ((__force snd_pcm_format_t) 18) /* IEC-958 subframe, Little Endian */
211#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE ((__force snd_pcm_format_t) 19) /* IEC-958 subframe, Big Endian */
212#define SNDRV_PCM_FORMAT_MU_LAW ((__force snd_pcm_format_t) 20)
213#define SNDRV_PCM_FORMAT_A_LAW ((__force snd_pcm_format_t) 21)
214#define SNDRV_PCM_FORMAT_IMA_ADPCM ((__force snd_pcm_format_t) 22)
215#define SNDRV_PCM_FORMAT_MPEG ((__force snd_pcm_format_t) 23)
216#define SNDRV_PCM_FORMAT_GSM ((__force snd_pcm_format_t) 24)
217#define SNDRV_PCM_FORMAT_S20_LE ((__force snd_pcm_format_t) 25) /* in four bytes, LSB justified */
218#define SNDRV_PCM_FORMAT_S20_BE ((__force snd_pcm_format_t) 26) /* in four bytes, LSB justified */
219#define SNDRV_PCM_FORMAT_U20_LE ((__force snd_pcm_format_t) 27) /* in four bytes, LSB justified */
220#define SNDRV_PCM_FORMAT_U20_BE ((__force snd_pcm_format_t) 28) /* in four bytes, LSB justified */
221/* gap in the numbering for a future standard linear format */
222#define SNDRV_PCM_FORMAT_SPECIAL ((__force snd_pcm_format_t) 31)
223#define SNDRV_PCM_FORMAT_S24_3LE ((__force snd_pcm_format_t) 32) /* in three bytes */
224#define SNDRV_PCM_FORMAT_S24_3BE ((__force snd_pcm_format_t) 33) /* in three bytes */
225#define SNDRV_PCM_FORMAT_U24_3LE ((__force snd_pcm_format_t) 34) /* in three bytes */
226#define SNDRV_PCM_FORMAT_U24_3BE ((__force snd_pcm_format_t) 35) /* in three bytes */
227#define SNDRV_PCM_FORMAT_S20_3LE ((__force snd_pcm_format_t) 36) /* in three bytes */
228#define SNDRV_PCM_FORMAT_S20_3BE ((__force snd_pcm_format_t) 37) /* in three bytes */
229#define SNDRV_PCM_FORMAT_U20_3LE ((__force snd_pcm_format_t) 38) /* in three bytes */
230#define SNDRV_PCM_FORMAT_U20_3BE ((__force snd_pcm_format_t) 39) /* in three bytes */
231#define SNDRV_PCM_FORMAT_S18_3LE ((__force snd_pcm_format_t) 40) /* in three bytes */
232#define SNDRV_PCM_FORMAT_S18_3BE ((__force snd_pcm_format_t) 41) /* in three bytes */
233#define SNDRV_PCM_FORMAT_U18_3LE ((__force snd_pcm_format_t) 42) /* in three bytes */
234#define SNDRV_PCM_FORMAT_U18_3BE ((__force snd_pcm_format_t) 43) /* in three bytes */
235#define SNDRV_PCM_FORMAT_G723_24 ((__force snd_pcm_format_t) 44) /* 8 samples in 3 bytes */
236#define SNDRV_PCM_FORMAT_G723_24_1B ((__force snd_pcm_format_t) 45) /* 1 sample in 1 byte */
237#define SNDRV_PCM_FORMAT_G723_40 ((__force snd_pcm_format_t) 46) /* 8 Samples in 5 bytes */
238#define SNDRV_PCM_FORMAT_G723_40_1B ((__force snd_pcm_format_t) 47) /* 1 sample in 1 byte */
239#define SNDRV_PCM_FORMAT_DSD_U8 ((__force snd_pcm_format_t) 48) /* DSD, 1-byte samples DSD (x8) */
240#define SNDRV_PCM_FORMAT_DSD_U16_LE ((__force snd_pcm_format_t) 49) /* DSD, 2-byte samples DSD (x16), little endian */
241#define SNDRV_PCM_FORMAT_DSD_U32_LE ((__force snd_pcm_format_t) 50) /* DSD, 4-byte samples DSD (x32), little endian */
242#define SNDRV_PCM_FORMAT_DSD_U16_BE ((__force snd_pcm_format_t) 51) /* DSD, 2-byte samples DSD (x16), big endian */
243#define SNDRV_PCM_FORMAT_DSD_U32_BE ((__force snd_pcm_format_t) 52) /* DSD, 4-byte samples DSD (x32), big endian */
244#define SNDRV_PCM_FORMAT_LAST SNDRV_PCM_FORMAT_DSD_U32_BE
245#define SNDRV_PCM_FORMAT_FIRST SNDRV_PCM_FORMAT_S8
246
247#ifdef SNDRV_LITTLE_ENDIAN
248#define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_LE
249#define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_LE
250#define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_LE
251#define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_LE
252#define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_LE
253#define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_LE
254#define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_LE
255#define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_LE
256#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE
257#define SNDRV_PCM_FORMAT_S20 SNDRV_PCM_FORMAT_S20_LE
258#define SNDRV_PCM_FORMAT_U20 SNDRV_PCM_FORMAT_U20_LE
259#endif
260#ifdef SNDRV_BIG_ENDIAN
261#define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_BE
262#define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_BE
263#define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_BE
264#define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_BE
265#define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_BE
266#define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_BE
267#define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_BE
268#define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_BE
269#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE
270#define SNDRV_PCM_FORMAT_S20 SNDRV_PCM_FORMAT_S20_BE
271#define SNDRV_PCM_FORMAT_U20 SNDRV_PCM_FORMAT_U20_BE
272#endif
273
274typedef int __bitwise snd_pcm_subformat_t;
275#define SNDRV_PCM_SUBFORMAT_STD ((__force snd_pcm_subformat_t) 0)
276#define SNDRV_PCM_SUBFORMAT_LAST SNDRV_PCM_SUBFORMAT_STD
277
278#define SNDRV_PCM_INFO_MMAP 0x00000001 /* hardware supports mmap */
279#define SNDRV_PCM_INFO_MMAP_VALID 0x00000002 /* period data are valid during transfer */
280#define SNDRV_PCM_INFO_DOUBLE 0x00000004 /* Double buffering needed for PCM start/stop */
281#define SNDRV_PCM_INFO_BATCH 0x00000010 /* double buffering */
282#define SNDRV_PCM_INFO_SYNC_APPLPTR 0x00000020 /* need the explicit sync of appl_ptr update */
283#define SNDRV_PCM_INFO_INTERLEAVED 0x00000100 /* channels are interleaved */
284#define SNDRV_PCM_INFO_NONINTERLEAVED 0x00000200 /* channels are not interleaved */
285#define SNDRV_PCM_INFO_COMPLEX 0x00000400 /* complex frame organization (mmap only) */
286#define SNDRV_PCM_INFO_BLOCK_TRANSFER 0x00010000 /* hardware transfer block of samples */
287#define SNDRV_PCM_INFO_OVERRANGE 0x00020000 /* hardware supports ADC (capture) overrange detection */
288#define SNDRV_PCM_INFO_RESUME 0x00040000 /* hardware supports stream resume after suspend */
289#define SNDRV_PCM_INFO_PAUSE 0x00080000 /* pause ioctl is supported */
290#define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000 /* only half duplex */
291#define SNDRV_PCM_INFO_JOINT_DUPLEX 0x00200000 /* playback and capture stream are somewhat correlated */
292#define SNDRV_PCM_INFO_SYNC_START 0x00400000 /* pcm support some kind of sync go */
293#define SNDRV_PCM_INFO_NO_PERIOD_WAKEUP 0x00800000 /* period wakeup can be disabled */
294#define SNDRV_PCM_INFO_HAS_WALL_CLOCK 0x01000000 /* (Deprecated)has audio wall clock for audio/system time sync */
295#define SNDRV_PCM_INFO_HAS_LINK_ATIME 0x01000000 /* report hardware link audio time, reset on startup */
296#define SNDRV_PCM_INFO_HAS_LINK_ABSOLUTE_ATIME 0x02000000 /* report absolute hardware link audio time, not reset on startup */
297#define SNDRV_PCM_INFO_HAS_LINK_ESTIMATED_ATIME 0x04000000 /* report estimated link audio time */
298#define SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME 0x08000000 /* report synchronized audio/system time */
299
300#define SNDRV_PCM_INFO_DRAIN_TRIGGER 0x40000000 /* internal kernel flag - trigger in drain */
301#define SNDRV_PCM_INFO_FIFO_IN_FRAMES 0x80000000 /* internal kernel flag - FIFO size is in frames */
302
303
304
305typedef int __bitwise snd_pcm_state_t;
306#define SNDRV_PCM_STATE_OPEN ((__force snd_pcm_state_t) 0) /* stream is open */
307#define SNDRV_PCM_STATE_SETUP ((__force snd_pcm_state_t) 1) /* stream has a setup */
308#define SNDRV_PCM_STATE_PREPARED ((__force snd_pcm_state_t) 2) /* stream is ready to start */
309#define SNDRV_PCM_STATE_RUNNING ((__force snd_pcm_state_t) 3) /* stream is running */
310#define SNDRV_PCM_STATE_XRUN ((__force snd_pcm_state_t) 4) /* stream reached an xrun */
311#define SNDRV_PCM_STATE_DRAINING ((__force snd_pcm_state_t) 5) /* stream is draining */
312#define SNDRV_PCM_STATE_PAUSED ((__force snd_pcm_state_t) 6) /* stream is paused */
313#define SNDRV_PCM_STATE_SUSPENDED ((__force snd_pcm_state_t) 7) /* hardware is suspended */
314#define SNDRV_PCM_STATE_DISCONNECTED ((__force snd_pcm_state_t) 8) /* hardware is disconnected */
315#define SNDRV_PCM_STATE_LAST SNDRV_PCM_STATE_DISCONNECTED
316
317enum {
318 SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000,
319 SNDRV_PCM_MMAP_OFFSET_STATUS = 0x80000000,
320 SNDRV_PCM_MMAP_OFFSET_CONTROL = 0x81000000,
321};
322
323union snd_pcm_sync_id {
324 unsigned char id[16];
325 unsigned short id16[8];
326 unsigned int id32[4];
327};
328
329struct snd_pcm_info {
330 unsigned int device; /* RO/WR (control): device number */
331 unsigned int subdevice; /* RO/WR (control): subdevice number */
332 int stream; /* RO/WR (control): stream direction */
333 int card; /* R: card number */
334 unsigned char id[64]; /* ID (user selectable) */
335 unsigned char name[80]; /* name of this device */
336 unsigned char subname[32]; /* subdevice name */
337 int dev_class; /* SNDRV_PCM_CLASS_* */
338 int dev_subclass; /* SNDRV_PCM_SUBCLASS_* */
339 unsigned int subdevices_count;
340 unsigned int subdevices_avail;
341 union snd_pcm_sync_id sync; /* hardware synchronization ID */
342 unsigned char reserved[64]; /* reserved for future... */
343};
344
345typedef int snd_pcm_hw_param_t;
346#define SNDRV_PCM_HW_PARAM_ACCESS 0 /* Access type */
347#define SNDRV_PCM_HW_PARAM_FORMAT 1 /* Format */
348#define SNDRV_PCM_HW_PARAM_SUBFORMAT 2 /* Subformat */
349#define SNDRV_PCM_HW_PARAM_FIRST_MASK SNDRV_PCM_HW_PARAM_ACCESS
350#define SNDRV_PCM_HW_PARAM_LAST_MASK SNDRV_PCM_HW_PARAM_SUBFORMAT
351
352#define SNDRV_PCM_HW_PARAM_SAMPLE_BITS 8 /* Bits per sample */
353#define SNDRV_PCM_HW_PARAM_FRAME_BITS 9 /* Bits per frame */
354#define SNDRV_PCM_HW_PARAM_CHANNELS 10 /* Channels */
355#define SNDRV_PCM_HW_PARAM_RATE 11 /* Approx rate */
356#define SNDRV_PCM_HW_PARAM_PERIOD_TIME 12 /* Approx distance between
357 * interrupts in us
358 */
359#define SNDRV_PCM_HW_PARAM_PERIOD_SIZE 13 /* Approx frames between
360 * interrupts
361 */
362#define SNDRV_PCM_HW_PARAM_PERIOD_BYTES 14 /* Approx bytes between
363 * interrupts
364 */
365#define SNDRV_PCM_HW_PARAM_PERIODS 15 /* Approx interrupts per
366 * buffer
367 */
368#define SNDRV_PCM_HW_PARAM_BUFFER_TIME 16 /* Approx duration of buffer
369 * in us
370 */
371#define SNDRV_PCM_HW_PARAM_BUFFER_SIZE 17 /* Size of buffer in frames */
372#define SNDRV_PCM_HW_PARAM_BUFFER_BYTES 18 /* Size of buffer in bytes */
373#define SNDRV_PCM_HW_PARAM_TICK_TIME 19 /* Approx tick duration in us */
374#define SNDRV_PCM_HW_PARAM_FIRST_INTERVAL SNDRV_PCM_HW_PARAM_SAMPLE_BITS
375#define SNDRV_PCM_HW_PARAM_LAST_INTERVAL SNDRV_PCM_HW_PARAM_TICK_TIME
376
377#define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1<<0) /* avoid rate resampling */
378#define SNDRV_PCM_HW_PARAMS_EXPORT_BUFFER (1<<1) /* export buffer */
379#define SNDRV_PCM_HW_PARAMS_NO_PERIOD_WAKEUP (1<<2) /* disable period wakeups */
380
381struct snd_interval {
382 unsigned int min, max;
383 unsigned int openmin:1,
384 openmax:1,
385 integer:1,
386 empty:1;
387};
388
389#define SNDRV_MASK_MAX 256
390
391struct snd_mask {
392 __u32 bits[(SNDRV_MASK_MAX+31)/32];
393};
394
395struct snd_pcm_hw_params {
396 unsigned int flags;
397 struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK -
398 SNDRV_PCM_HW_PARAM_FIRST_MASK + 1];
399 struct snd_mask mres[5]; /* reserved masks */
400 struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL -
401 SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1];
402 struct snd_interval ires[9]; /* reserved intervals */
403 unsigned int rmask; /* W: requested masks */
404 unsigned int cmask; /* R: changed masks */
405 unsigned int info; /* R: Info flags for returned setup */
406 unsigned int msbits; /* R: used most significant bits */
407 unsigned int rate_num; /* R: rate numerator */
408 unsigned int rate_den; /* R: rate denominator */
409 snd_pcm_uframes_t fifo_size; /* R: chip FIFO size in frames */
410 unsigned char reserved[64]; /* reserved for future */
411};
412
413enum {
414 SNDRV_PCM_TSTAMP_NONE = 0,
415 SNDRV_PCM_TSTAMP_ENABLE,
416 SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_ENABLE,
417};
418
419struct snd_pcm_sw_params {
420 int tstamp_mode; /* timestamp mode */
421 unsigned int period_step;
422 unsigned int sleep_min; /* min ticks to sleep */
423 snd_pcm_uframes_t avail_min; /* min avail frames for wakeup */
424 snd_pcm_uframes_t xfer_align; /* obsolete: xfer size need to be a multiple */
425 snd_pcm_uframes_t start_threshold; /* min hw_avail frames for automatic start */
426 snd_pcm_uframes_t stop_threshold; /* min avail frames for automatic stop */
427 snd_pcm_uframes_t silence_threshold; /* min distance from noise for silence filling */
428 snd_pcm_uframes_t silence_size; /* silence block size */
429 snd_pcm_uframes_t boundary; /* pointers wrap point */
430 unsigned int proto; /* protocol version */
431 unsigned int tstamp_type; /* timestamp type (req. proto >= 2.0.12) */
432 unsigned char reserved[56]; /* reserved for future */
433};
434
435struct snd_pcm_channel_info {
436 unsigned int channel;
437 __kernel_off_t offset; /* mmap offset */
438 unsigned int first; /* offset to first sample in bits */
439 unsigned int step; /* samples distance in bits */
440};
441
442enum {
443 /*
444 * first definition for backwards compatibility only,
445 * maps to wallclock/link time for HDAudio playback and DEFAULT/DMA time for everything else
446 */
447 SNDRV_PCM_AUDIO_TSTAMP_TYPE_COMPAT = 0,
448
449 /* timestamp definitions */
450 SNDRV_PCM_AUDIO_TSTAMP_TYPE_DEFAULT = 1, /* DMA time, reported as per hw_ptr */
451 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK = 2, /* link time reported by sample or wallclock counter, reset on startup */
452 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_ABSOLUTE = 3, /* link time reported by sample or wallclock counter, not reset on startup */
453 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_ESTIMATED = 4, /* link time estimated indirectly */
454 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_SYNCHRONIZED = 5, /* link time synchronized with system time */
455 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LAST = SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_SYNCHRONIZED
456};
457
458struct snd_pcm_status {
459 snd_pcm_state_t state; /* stream state */
460 struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */
461 struct timespec tstamp; /* reference timestamp */
462 snd_pcm_uframes_t appl_ptr; /* appl ptr */
463 snd_pcm_uframes_t hw_ptr; /* hw ptr */
464 snd_pcm_sframes_t delay; /* current delay in frames */
465 snd_pcm_uframes_t avail; /* number of frames available */
466 snd_pcm_uframes_t avail_max; /* max frames available on hw since last status */
467 snd_pcm_uframes_t overrange; /* count of ADC (capture) overrange detections from last status */
468 snd_pcm_state_t suspended_state; /* suspended stream state */
469 __u32 audio_tstamp_data; /* needed for 64-bit alignment, used for configs/report to/from userspace */
470 struct timespec audio_tstamp; /* sample counter, wall clock, PHC or on-demand sync'ed */
471 struct timespec driver_tstamp; /* useful in case reference system tstamp is reported with delay */
472 __u32 audio_tstamp_accuracy; /* in ns units, only valid if indicated in audio_tstamp_data */
473 unsigned char reserved[52-2*sizeof(struct timespec)]; /* must be filled with zero */
474};
475
476struct snd_pcm_mmap_status {
477 snd_pcm_state_t state; /* RO: state - SNDRV_PCM_STATE_XXXX */
478 int pad1; /* Needed for 64 bit alignment */
479 snd_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */
480 struct timespec tstamp; /* Timestamp */
481 snd_pcm_state_t suspended_state; /* RO: suspended stream state */
482 struct timespec audio_tstamp; /* from sample counter or wall clock */
483};
484
485struct snd_pcm_mmap_control {
486 snd_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */
487 snd_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */
488};
489
490#define SNDRV_PCM_SYNC_PTR_HWSYNC (1<<0) /* execute hwsync */
491#define SNDRV_PCM_SYNC_PTR_APPL (1<<1) /* get appl_ptr from driver (r/w op) */
492#define SNDRV_PCM_SYNC_PTR_AVAIL_MIN (1<<2) /* get avail_min from driver */
493
494struct snd_pcm_sync_ptr {
495 unsigned int flags;
496 union {
497 struct snd_pcm_mmap_status status;
498 unsigned char reserved[64];
499 } s;
500 union {
501 struct snd_pcm_mmap_control control;
502 unsigned char reserved[64];
503 } c;
504};
505
506struct snd_xferi {
507 snd_pcm_sframes_t result;
508 void __user *buf;
509 snd_pcm_uframes_t frames;
510};
511
512struct snd_xfern {
513 snd_pcm_sframes_t result;
514 void __user * __user *bufs;
515 snd_pcm_uframes_t frames;
516};
517
518enum {
519 SNDRV_PCM_TSTAMP_TYPE_GETTIMEOFDAY = 0, /* gettimeofday equivalent */
520 SNDRV_PCM_TSTAMP_TYPE_MONOTONIC, /* posix_clock_monotonic equivalent */
521 SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW, /* monotonic_raw (no NTP) */
522 SNDRV_PCM_TSTAMP_TYPE_LAST = SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW,
523};
524
525/* channel positions */
526enum {
527 SNDRV_CHMAP_UNKNOWN = 0,
528 SNDRV_CHMAP_NA, /* N/A, silent */
529 SNDRV_CHMAP_MONO, /* mono stream */
530 /* this follows the alsa-lib mixer channel value + 3 */
531 SNDRV_CHMAP_FL, /* front left */
532 SNDRV_CHMAP_FR, /* front right */
533 SNDRV_CHMAP_RL, /* rear left */
534 SNDRV_CHMAP_RR, /* rear right */
535 SNDRV_CHMAP_FC, /* front center */
536 SNDRV_CHMAP_LFE, /* LFE */
537 SNDRV_CHMAP_SL, /* side left */
538 SNDRV_CHMAP_SR, /* side right */
539 SNDRV_CHMAP_RC, /* rear center */
540 /* new definitions */
541 SNDRV_CHMAP_FLC, /* front left center */
542 SNDRV_CHMAP_FRC, /* front right center */
543 SNDRV_CHMAP_RLC, /* rear left center */
544 SNDRV_CHMAP_RRC, /* rear right center */
545 SNDRV_CHMAP_FLW, /* front left wide */
546 SNDRV_CHMAP_FRW, /* front right wide */
547 SNDRV_CHMAP_FLH, /* front left high */
548 SNDRV_CHMAP_FCH, /* front center high */
549 SNDRV_CHMAP_FRH, /* front right high */
550 SNDRV_CHMAP_TC, /* top center */
551 SNDRV_CHMAP_TFL, /* top front left */
552 SNDRV_CHMAP_TFR, /* top front right */
553 SNDRV_CHMAP_TFC, /* top front center */
554 SNDRV_CHMAP_TRL, /* top rear left */
555 SNDRV_CHMAP_TRR, /* top rear right */
556 SNDRV_CHMAP_TRC, /* top rear center */
557 /* new definitions for UAC2 */
558 SNDRV_CHMAP_TFLC, /* top front left center */
559 SNDRV_CHMAP_TFRC, /* top front right center */
560 SNDRV_CHMAP_TSL, /* top side left */
561 SNDRV_CHMAP_TSR, /* top side right */
562 SNDRV_CHMAP_LLFE, /* left LFE */
563 SNDRV_CHMAP_RLFE, /* right LFE */
564 SNDRV_CHMAP_BC, /* bottom center */
565 SNDRV_CHMAP_BLC, /* bottom left center */
566 SNDRV_CHMAP_BRC, /* bottom right center */
567 SNDRV_CHMAP_LAST = SNDRV_CHMAP_BRC,
568};
569
570#define SNDRV_CHMAP_POSITION_MASK 0xffff
571#define SNDRV_CHMAP_PHASE_INVERSE (0x01 << 16)
572#define SNDRV_CHMAP_DRIVER_SPEC (0x02 << 16)
573
574#define SNDRV_PCM_IOCTL_PVERSION _IOR('A', 0x00, int)
575#define SNDRV_PCM_IOCTL_INFO _IOR('A', 0x01, struct snd_pcm_info)
576#define SNDRV_PCM_IOCTL_TSTAMP _IOW('A', 0x02, int)
577#define SNDRV_PCM_IOCTL_TTSTAMP _IOW('A', 0x03, int)
578#define SNDRV_PCM_IOCTL_USER_PVERSION _IOW('A', 0x04, int)
579#define SNDRV_PCM_IOCTL_HW_REFINE _IOWR('A', 0x10, struct snd_pcm_hw_params)
580#define SNDRV_PCM_IOCTL_HW_PARAMS _IOWR('A', 0x11, struct snd_pcm_hw_params)
581#define SNDRV_PCM_IOCTL_HW_FREE _IO('A', 0x12)
582#define SNDRV_PCM_IOCTL_SW_PARAMS _IOWR('A', 0x13, struct snd_pcm_sw_params)
583#define SNDRV_PCM_IOCTL_STATUS _IOR('A', 0x20, struct snd_pcm_status)
584#define SNDRV_PCM_IOCTL_DELAY _IOR('A', 0x21, snd_pcm_sframes_t)
585#define SNDRV_PCM_IOCTL_HWSYNC _IO('A', 0x22)
586#define SNDRV_PCM_IOCTL_SYNC_PTR _IOWR('A', 0x23, struct snd_pcm_sync_ptr)
587#define SNDRV_PCM_IOCTL_STATUS_EXT _IOWR('A', 0x24, struct snd_pcm_status)
588#define SNDRV_PCM_IOCTL_CHANNEL_INFO _IOR('A', 0x32, struct snd_pcm_channel_info)
589#define SNDRV_PCM_IOCTL_PREPARE _IO('A', 0x40)
590#define SNDRV_PCM_IOCTL_RESET _IO('A', 0x41)
591#define SNDRV_PCM_IOCTL_START _IO('A', 0x42)
592#define SNDRV_PCM_IOCTL_DROP _IO('A', 0x43)
593#define SNDRV_PCM_IOCTL_DRAIN _IO('A', 0x44)
594#define SNDRV_PCM_IOCTL_PAUSE _IOW('A', 0x45, int)
595#define SNDRV_PCM_IOCTL_REWIND _IOW('A', 0x46, snd_pcm_uframes_t)
596#define SNDRV_PCM_IOCTL_RESUME _IO('A', 0x47)
597#define SNDRV_PCM_IOCTL_XRUN _IO('A', 0x48)
598#define SNDRV_PCM_IOCTL_FORWARD _IOW('A', 0x49, snd_pcm_uframes_t)
599#define SNDRV_PCM_IOCTL_WRITEI_FRAMES _IOW('A', 0x50, struct snd_xferi)
600#define SNDRV_PCM_IOCTL_READI_FRAMES _IOR('A', 0x51, struct snd_xferi)
601#define SNDRV_PCM_IOCTL_WRITEN_FRAMES _IOW('A', 0x52, struct snd_xfern)
602#define SNDRV_PCM_IOCTL_READN_FRAMES _IOR('A', 0x53, struct snd_xfern)
603#define SNDRV_PCM_IOCTL_LINK _IOW('A', 0x60, int)
604#define SNDRV_PCM_IOCTL_UNLINK _IO('A', 0x61)
605
606/*****************************************************************************
607 * *
608 * MIDI v1.0 interface *
609 * *
610 *****************************************************************************/
611
612/*
613 * Raw MIDI section - /dev/snd/midi??
614 */
615
616#define SNDRV_RAWMIDI_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 0)
617
618enum {
619 SNDRV_RAWMIDI_STREAM_OUTPUT = 0,
620 SNDRV_RAWMIDI_STREAM_INPUT,
621 SNDRV_RAWMIDI_STREAM_LAST = SNDRV_RAWMIDI_STREAM_INPUT,
622};
623
624#define SNDRV_RAWMIDI_INFO_OUTPUT 0x00000001
625#define SNDRV_RAWMIDI_INFO_INPUT 0x00000002
626#define SNDRV_RAWMIDI_INFO_DUPLEX 0x00000004
627
628struct snd_rawmidi_info {
629 unsigned int device; /* RO/WR (control): device number */
630 unsigned int subdevice; /* RO/WR (control): subdevice number */
631 int stream; /* WR: stream */
632 int card; /* R: card number */
633 unsigned int flags; /* SNDRV_RAWMIDI_INFO_XXXX */
634 unsigned char id[64]; /* ID (user selectable) */
635 unsigned char name[80]; /* name of device */
636 unsigned char subname[32]; /* name of active or selected subdevice */
637 unsigned int subdevices_count;
638 unsigned int subdevices_avail;
639 unsigned char reserved[64]; /* reserved for future use */
640};
641
642struct snd_rawmidi_params {
643 int stream;
644 size_t buffer_size; /* queue size in bytes */
645 size_t avail_min; /* minimum avail bytes for wakeup */
646 unsigned int no_active_sensing: 1; /* do not send active sensing byte in close() */
647 unsigned char reserved[16]; /* reserved for future use */
648};
649
650struct snd_rawmidi_status {
651 int stream;
652 struct timespec tstamp; /* Timestamp */
653 size_t avail; /* available bytes */
654 size_t xruns; /* count of overruns since last status (in bytes) */
655 unsigned char reserved[16]; /* reserved for future use */
656};
657
658#define SNDRV_RAWMIDI_IOCTL_PVERSION _IOR('W', 0x00, int)
659#define SNDRV_RAWMIDI_IOCTL_INFO _IOR('W', 0x01, struct snd_rawmidi_info)
660#define SNDRV_RAWMIDI_IOCTL_PARAMS _IOWR('W', 0x10, struct snd_rawmidi_params)
661#define SNDRV_RAWMIDI_IOCTL_STATUS _IOWR('W', 0x20, struct snd_rawmidi_status)
662#define SNDRV_RAWMIDI_IOCTL_DROP _IOW('W', 0x30, int)
663#define SNDRV_RAWMIDI_IOCTL_DRAIN _IOW('W', 0x31, int)
664
665/*
666 * Timer section - /dev/snd/timer
667 */
668
669#define SNDRV_TIMER_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 6)
670
671enum {
672 SNDRV_TIMER_CLASS_NONE = -1,
673 SNDRV_TIMER_CLASS_SLAVE = 0,
674 SNDRV_TIMER_CLASS_GLOBAL,
675 SNDRV_TIMER_CLASS_CARD,
676 SNDRV_TIMER_CLASS_PCM,
677 SNDRV_TIMER_CLASS_LAST = SNDRV_TIMER_CLASS_PCM,
678};
679
680/* slave timer classes */
681enum {
682 SNDRV_TIMER_SCLASS_NONE = 0,
683 SNDRV_TIMER_SCLASS_APPLICATION,
684 SNDRV_TIMER_SCLASS_SEQUENCER, /* alias */
685 SNDRV_TIMER_SCLASS_OSS_SEQUENCER, /* alias */
686 SNDRV_TIMER_SCLASS_LAST = SNDRV_TIMER_SCLASS_OSS_SEQUENCER,
687};
688
689/* global timers (device member) */
690#define SNDRV_TIMER_GLOBAL_SYSTEM 0
691#define SNDRV_TIMER_GLOBAL_RTC 1 /* unused */
692#define SNDRV_TIMER_GLOBAL_HPET 2
693#define SNDRV_TIMER_GLOBAL_HRTIMER 3
694
695/* info flags */
696#define SNDRV_TIMER_FLG_SLAVE (1<<0) /* cannot be controlled */
697
698struct snd_timer_id {
699 int dev_class;
700 int dev_sclass;
701 int card;
702 int device;
703 int subdevice;
704};
705
706struct snd_timer_ginfo {
707 struct snd_timer_id tid; /* requested timer ID */
708 unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */
709 int card; /* card number */
710 unsigned char id[64]; /* timer identification */
711 unsigned char name[80]; /* timer name */
712 unsigned long reserved0; /* reserved for future use */
713 unsigned long resolution; /* average period resolution in ns */
714 unsigned long resolution_min; /* minimal period resolution in ns */
715 unsigned long resolution_max; /* maximal period resolution in ns */
716 unsigned int clients; /* active timer clients */
717 unsigned char reserved[32];
718};
719
720struct snd_timer_gparams {
721 struct snd_timer_id tid; /* requested timer ID */
722 unsigned long period_num; /* requested precise period duration (in seconds) - numerator */
723 unsigned long period_den; /* requested precise period duration (in seconds) - denominator */
724 unsigned char reserved[32];
725};
726
727struct snd_timer_gstatus {
728 struct snd_timer_id tid; /* requested timer ID */
729 unsigned long resolution; /* current period resolution in ns */
730 unsigned long resolution_num; /* precise current period resolution (in seconds) - numerator */
731 unsigned long resolution_den; /* precise current period resolution (in seconds) - denominator */
732 unsigned char reserved[32];
733};
734
735struct snd_timer_select {
736 struct snd_timer_id id; /* bind to timer ID */
737 unsigned char reserved[32]; /* reserved */
738};
739
740struct snd_timer_info {
741 unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */
742 int card; /* card number */
743 unsigned char id[64]; /* timer identificator */
744 unsigned char name[80]; /* timer name */
745 unsigned long reserved0; /* reserved for future use */
746 unsigned long resolution; /* average period resolution in ns */
747 unsigned char reserved[64]; /* reserved */
748};
749
750#define SNDRV_TIMER_PSFLG_AUTO (1<<0) /* auto start, otherwise one-shot */
751#define SNDRV_TIMER_PSFLG_EXCLUSIVE (1<<1) /* exclusive use, precise start/stop/pause/continue */
752#define SNDRV_TIMER_PSFLG_EARLY_EVENT (1<<2) /* write early event to the poll queue */
753
754struct snd_timer_params {
755 unsigned int flags; /* flags - SNDRV_TIMER_PSFLG_* */
756 unsigned int ticks; /* requested resolution in ticks */
757 unsigned int queue_size; /* total size of queue (32-1024) */
758 unsigned int reserved0; /* reserved, was: failure locations */
759 unsigned int filter; /* event filter (bitmask of SNDRV_TIMER_EVENT_*) */
760 unsigned char reserved[60]; /* reserved */
761};
762
763struct snd_timer_status {
764 struct timespec tstamp; /* Timestamp - last update */
765 unsigned int resolution; /* current period resolution in ns */
766 unsigned int lost; /* counter of master tick lost */
767 unsigned int overrun; /* count of read queue overruns */
768 unsigned int queue; /* used queue size */
769 unsigned char reserved[64]; /* reserved */
770};
771
772#define SNDRV_TIMER_IOCTL_PVERSION _IOR('T', 0x00, int)
773#define SNDRV_TIMER_IOCTL_NEXT_DEVICE _IOWR('T', 0x01, struct snd_timer_id)
774#define SNDRV_TIMER_IOCTL_TREAD _IOW('T', 0x02, int)
775#define SNDRV_TIMER_IOCTL_GINFO _IOWR('T', 0x03, struct snd_timer_ginfo)
776#define SNDRV_TIMER_IOCTL_GPARAMS _IOW('T', 0x04, struct snd_timer_gparams)
777#define SNDRV_TIMER_IOCTL_GSTATUS _IOWR('T', 0x05, struct snd_timer_gstatus)
778#define SNDRV_TIMER_IOCTL_SELECT _IOW('T', 0x10, struct snd_timer_select)
779#define SNDRV_TIMER_IOCTL_INFO _IOR('T', 0x11, struct snd_timer_info)
780#define SNDRV_TIMER_IOCTL_PARAMS _IOW('T', 0x12, struct snd_timer_params)
781#define SNDRV_TIMER_IOCTL_STATUS _IOR('T', 0x14, struct snd_timer_status)
782/* The following four ioctls are changed since 1.0.9 due to confliction */
783#define SNDRV_TIMER_IOCTL_START _IO('T', 0xa0)
784#define SNDRV_TIMER_IOCTL_STOP _IO('T', 0xa1)
785#define SNDRV_TIMER_IOCTL_CONTINUE _IO('T', 0xa2)
786#define SNDRV_TIMER_IOCTL_PAUSE _IO('T', 0xa3)
787
788struct snd_timer_read {
789 unsigned int resolution;
790 unsigned int ticks;
791};
792
793enum {
794 SNDRV_TIMER_EVENT_RESOLUTION = 0, /* val = resolution in ns */
795 SNDRV_TIMER_EVENT_TICK, /* val = ticks */
796 SNDRV_TIMER_EVENT_START, /* val = resolution in ns */
797 SNDRV_TIMER_EVENT_STOP, /* val = 0 */
798 SNDRV_TIMER_EVENT_CONTINUE, /* val = resolution in ns */
799 SNDRV_TIMER_EVENT_PAUSE, /* val = 0 */
800 SNDRV_TIMER_EVENT_EARLY, /* val = 0, early event */
801 SNDRV_TIMER_EVENT_SUSPEND, /* val = 0 */
802 SNDRV_TIMER_EVENT_RESUME, /* val = resolution in ns */
803 /* master timer events for slave timer instances */
804 SNDRV_TIMER_EVENT_MSTART = SNDRV_TIMER_EVENT_START + 10,
805 SNDRV_TIMER_EVENT_MSTOP = SNDRV_TIMER_EVENT_STOP + 10,
806 SNDRV_TIMER_EVENT_MCONTINUE = SNDRV_TIMER_EVENT_CONTINUE + 10,
807 SNDRV_TIMER_EVENT_MPAUSE = SNDRV_TIMER_EVENT_PAUSE + 10,
808 SNDRV_TIMER_EVENT_MSUSPEND = SNDRV_TIMER_EVENT_SUSPEND + 10,
809 SNDRV_TIMER_EVENT_MRESUME = SNDRV_TIMER_EVENT_RESUME + 10,
810};
811
812struct snd_timer_tread {
813 int event;
814 struct timespec tstamp;
815 unsigned int val;
816};
817
818/****************************************************************************
819 * *
820 * Section for driver control interface - /dev/snd/control? *
821 * *
822 ****************************************************************************/
823
824#define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 7)
825
826struct snd_ctl_card_info {
827 int card; /* card number */
828 int pad; /* reserved for future (was type) */
829 unsigned char id[16]; /* ID of card (user selectable) */
830 unsigned char driver[16]; /* Driver name */
831 unsigned char name[32]; /* Short name of soundcard */
832 unsigned char longname[80]; /* name + info text about soundcard */
833 unsigned char reserved_[16]; /* reserved for future (was ID of mixer) */
834 unsigned char mixername[80]; /* visual mixer identification */
835 unsigned char components[128]; /* card components / fine identification, delimited with one space (AC97 etc..) */
836};
837
838typedef int __bitwise snd_ctl_elem_type_t;
839#define SNDRV_CTL_ELEM_TYPE_NONE ((__force snd_ctl_elem_type_t) 0) /* invalid */
840#define SNDRV_CTL_ELEM_TYPE_BOOLEAN ((__force snd_ctl_elem_type_t) 1) /* boolean type */
841#define SNDRV_CTL_ELEM_TYPE_INTEGER ((__force snd_ctl_elem_type_t) 2) /* integer type */
842#define SNDRV_CTL_ELEM_TYPE_ENUMERATED ((__force snd_ctl_elem_type_t) 3) /* enumerated type */
843#define SNDRV_CTL_ELEM_TYPE_BYTES ((__force snd_ctl_elem_type_t) 4) /* byte array */
844#define SNDRV_CTL_ELEM_TYPE_IEC958 ((__force snd_ctl_elem_type_t) 5) /* IEC958 (S/PDIF) setup */
845#define SNDRV_CTL_ELEM_TYPE_INTEGER64 ((__force snd_ctl_elem_type_t) 6) /* 64-bit integer type */
846#define SNDRV_CTL_ELEM_TYPE_LAST SNDRV_CTL_ELEM_TYPE_INTEGER64
847
848typedef int __bitwise snd_ctl_elem_iface_t;
849#define SNDRV_CTL_ELEM_IFACE_CARD ((__force snd_ctl_elem_iface_t) 0) /* global control */
850#define SNDRV_CTL_ELEM_IFACE_HWDEP ((__force snd_ctl_elem_iface_t) 1) /* hardware dependent device */
851#define SNDRV_CTL_ELEM_IFACE_MIXER ((__force snd_ctl_elem_iface_t) 2) /* virtual mixer device */
852#define SNDRV_CTL_ELEM_IFACE_PCM ((__force snd_ctl_elem_iface_t) 3) /* PCM device */
853#define SNDRV_CTL_ELEM_IFACE_RAWMIDI ((__force snd_ctl_elem_iface_t) 4) /* RawMidi device */
854#define SNDRV_CTL_ELEM_IFACE_TIMER ((__force snd_ctl_elem_iface_t) 5) /* timer device */
855#define SNDRV_CTL_ELEM_IFACE_SEQUENCER ((__force snd_ctl_elem_iface_t) 6) /* sequencer client */
856#define SNDRV_CTL_ELEM_IFACE_LAST SNDRV_CTL_ELEM_IFACE_SEQUENCER
857
858#define SNDRV_CTL_ELEM_ACCESS_READ (1<<0)
859#define SNDRV_CTL_ELEM_ACCESS_WRITE (1<<1)
860#define SNDRV_CTL_ELEM_ACCESS_READWRITE (SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE)
861#define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1<<2) /* control value may be changed without a notification */
862#define SNDRV_CTL_ELEM_ACCESS_TIMESTAMP (1<<3) /* when was control changed */
863#define SNDRV_CTL_ELEM_ACCESS_TLV_READ (1<<4) /* TLV read is possible */
864#define SNDRV_CTL_ELEM_ACCESS_TLV_WRITE (1<<5) /* TLV write is possible */
865#define SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE (SNDRV_CTL_ELEM_ACCESS_TLV_READ|SNDRV_CTL_ELEM_ACCESS_TLV_WRITE)
866#define SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND (1<<6) /* TLV command is possible */
867#define SNDRV_CTL_ELEM_ACCESS_INACTIVE (1<<8) /* control does actually nothing, but may be updated */
868#define SNDRV_CTL_ELEM_ACCESS_LOCK (1<<9) /* write lock */
869#define SNDRV_CTL_ELEM_ACCESS_OWNER (1<<10) /* write lock owner */
870#define SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK (1<<28) /* kernel use a TLV callback */
871#define SNDRV_CTL_ELEM_ACCESS_USER (1<<29) /* user space element */
872/* bits 30 and 31 are obsoleted (for indirect access) */
873
874/* for further details see the ACPI and PCI power management specification */
875#define SNDRV_CTL_POWER_D0 0x0000 /* full On */
876#define SNDRV_CTL_POWER_D1 0x0100 /* partial On */
877#define SNDRV_CTL_POWER_D2 0x0200 /* partial On */
878#define SNDRV_CTL_POWER_D3 0x0300 /* Off */
879#define SNDRV_CTL_POWER_D3hot (SNDRV_CTL_POWER_D3|0x0000) /* Off, with power */
880#define SNDRV_CTL_POWER_D3cold (SNDRV_CTL_POWER_D3|0x0001) /* Off, without power */
881
882#define SNDRV_CTL_ELEM_ID_NAME_MAXLEN 44
883
884struct snd_ctl_elem_id {
885 unsigned int numid; /* numeric identifier, zero = invalid */
886 snd_ctl_elem_iface_t iface; /* interface identifier */
887 unsigned int device; /* device/client number */
888 unsigned int subdevice; /* subdevice (substream) number */
889 unsigned char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* ASCII name of item */
890 unsigned int index; /* index of item */
891};
892
893struct snd_ctl_elem_list {
894 unsigned int offset; /* W: first element ID to get */
895 unsigned int space; /* W: count of element IDs to get */
896 unsigned int used; /* R: count of element IDs set */
897 unsigned int count; /* R: count of all elements */
898 struct snd_ctl_elem_id __user *pids; /* R: IDs */
899 unsigned char reserved[50];
900};
901
902struct snd_ctl_elem_info {
903 struct snd_ctl_elem_id id; /* W: element ID */
904 snd_ctl_elem_type_t type; /* R: value type - SNDRV_CTL_ELEM_TYPE_* */
905 unsigned int access; /* R: value access (bitmask) - SNDRV_CTL_ELEM_ACCESS_* */
906 unsigned int count; /* count of values */
907 __kernel_pid_t owner; /* owner's PID of this control */
908 union {
909 struct {
910 long min; /* R: minimum value */
911 long max; /* R: maximum value */
912 long step; /* R: step (0 variable) */
913 } integer;
914 struct {
915 long long min; /* R: minimum value */
916 long long max; /* R: maximum value */
917 long long step; /* R: step (0 variable) */
918 } integer64;
919 struct {
920 unsigned int items; /* R: number of items */
921 unsigned int item; /* W: item number */
922 char name[64]; /* R: value name */
923 __u64 names_ptr; /* W: names list (ELEM_ADD only) */
924 unsigned int names_length;
925 } enumerated;
926 unsigned char reserved[128];
927 } value;
928 union {
929 unsigned short d[4]; /* dimensions */
930 unsigned short *d_ptr; /* indirect - obsoleted */
931 } dimen;
932 unsigned char reserved[64-4*sizeof(unsigned short)];
933};
934
935struct snd_ctl_elem_value {
936 struct snd_ctl_elem_id id; /* W: element ID */
937 unsigned int indirect: 1; /* W: indirect access - obsoleted */
938 union {
939 union {
940 long value[128];
941 long *value_ptr; /* obsoleted */
942 } integer;
943 union {
944 long long value[64];
945 long long *value_ptr; /* obsoleted */
946 } integer64;
947 union {
948 unsigned int item[128];
949 unsigned int *item_ptr; /* obsoleted */
950 } enumerated;
951 union {
952 unsigned char data[512];
953 unsigned char *data_ptr; /* obsoleted */
954 } bytes;
955 struct snd_aes_iec958 iec958;
956 } value; /* RO */
957 struct timespec tstamp;
958 unsigned char reserved[128-sizeof(struct timespec)];
959};
960
961struct snd_ctl_tlv {
962 unsigned int numid; /* control element numeric identification */
963 unsigned int length; /* in bytes aligned to 4 */
964 unsigned int tlv[0]; /* first TLV */
965};
966
967#define SNDRV_CTL_IOCTL_PVERSION _IOR('U', 0x00, int)
968#define SNDRV_CTL_IOCTL_CARD_INFO _IOR('U', 0x01, struct snd_ctl_card_info)
969#define SNDRV_CTL_IOCTL_ELEM_LIST _IOWR('U', 0x10, struct snd_ctl_elem_list)
970#define SNDRV_CTL_IOCTL_ELEM_INFO _IOWR('U', 0x11, struct snd_ctl_elem_info)
971#define SNDRV_CTL_IOCTL_ELEM_READ _IOWR('U', 0x12, struct snd_ctl_elem_value)
972#define SNDRV_CTL_IOCTL_ELEM_WRITE _IOWR('U', 0x13, struct snd_ctl_elem_value)
973#define SNDRV_CTL_IOCTL_ELEM_LOCK _IOW('U', 0x14, struct snd_ctl_elem_id)
974#define SNDRV_CTL_IOCTL_ELEM_UNLOCK _IOW('U', 0x15, struct snd_ctl_elem_id)
975#define SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS _IOWR('U', 0x16, int)
976#define SNDRV_CTL_IOCTL_ELEM_ADD _IOWR('U', 0x17, struct snd_ctl_elem_info)
977#define SNDRV_CTL_IOCTL_ELEM_REPLACE _IOWR('U', 0x18, struct snd_ctl_elem_info)
978#define SNDRV_CTL_IOCTL_ELEM_REMOVE _IOWR('U', 0x19, struct snd_ctl_elem_id)
979#define SNDRV_CTL_IOCTL_TLV_READ _IOWR('U', 0x1a, struct snd_ctl_tlv)
980#define SNDRV_CTL_IOCTL_TLV_WRITE _IOWR('U', 0x1b, struct snd_ctl_tlv)
981#define SNDRV_CTL_IOCTL_TLV_COMMAND _IOWR('U', 0x1c, struct snd_ctl_tlv)
982#define SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE _IOWR('U', 0x20, int)
983#define SNDRV_CTL_IOCTL_HWDEP_INFO _IOR('U', 0x21, struct snd_hwdep_info)
984#define SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE _IOR('U', 0x30, int)
985#define SNDRV_CTL_IOCTL_PCM_INFO _IOWR('U', 0x31, struct snd_pcm_info)
986#define SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE _IOW('U', 0x32, int)
987#define SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE _IOWR('U', 0x40, int)
988#define SNDRV_CTL_IOCTL_RAWMIDI_INFO _IOWR('U', 0x41, struct snd_rawmidi_info)
989#define SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE _IOW('U', 0x42, int)
990#define SNDRV_CTL_IOCTL_POWER _IOWR('U', 0xd0, int)
991#define SNDRV_CTL_IOCTL_POWER_STATE _IOR('U', 0xd1, int)
992
993/*
994 * Read interface.
995 */
996
997enum sndrv_ctl_event_type {
998 SNDRV_CTL_EVENT_ELEM = 0,
999 SNDRV_CTL_EVENT_LAST = SNDRV_CTL_EVENT_ELEM,
1000};
1001
1002#define SNDRV_CTL_EVENT_MASK_VALUE (1<<0) /* element value was changed */
1003#define SNDRV_CTL_EVENT_MASK_INFO (1<<1) /* element info was changed */
1004#define SNDRV_CTL_EVENT_MASK_ADD (1<<2) /* element was added */
1005#define SNDRV_CTL_EVENT_MASK_TLV (1<<3) /* element TLV tree was changed */
1006#define SNDRV_CTL_EVENT_MASK_REMOVE (~0U) /* element was removed */
1007
1008struct snd_ctl_event {
1009 int type; /* event type - SNDRV_CTL_EVENT_* */
1010 union {
1011 struct {
1012 unsigned int mask;
1013 struct snd_ctl_elem_id id;
1014 } elem;
1015 unsigned char data8[60];
1016 } data;
1017};
1018
1019/*
1020 * Control names
1021 */
1022
1023#define SNDRV_CTL_NAME_NONE ""
1024#define SNDRV_CTL_NAME_PLAYBACK "Playback "
1025#define SNDRV_CTL_NAME_CAPTURE "Capture "
1026
1027#define SNDRV_CTL_NAME_IEC958_NONE ""
1028#define SNDRV_CTL_NAME_IEC958_SWITCH "Switch"
1029#define SNDRV_CTL_NAME_IEC958_VOLUME "Volume"
1030#define SNDRV_CTL_NAME_IEC958_DEFAULT "Default"
1031#define SNDRV_CTL_NAME_IEC958_MASK "Mask"
1032#define SNDRV_CTL_NAME_IEC958_CON_MASK "Con Mask"
1033#define SNDRV_CTL_NAME_IEC958_PRO_MASK "Pro Mask"
1034#define SNDRV_CTL_NAME_IEC958_PCM_STREAM "PCM Stream"
1035#define SNDRV_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SNDRV_CTL_NAME_##direction SNDRV_CTL_NAME_IEC958_##what
1036
1037#endif /* _UAPI__SOUND_ASOUND_H */
1038