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 | |
56 | struct 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 | |
69 | struct 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 | |
85 | enum { |
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 | |
118 | struct 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 */ |
128 | struct 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 | |
137 | struct 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 | |
158 | typedef unsigned long snd_pcm_uframes_t; |
159 | typedef signed long snd_pcm_sframes_t; |
160 | |
161 | enum { |
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 | |
170 | enum { |
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 | |
177 | enum { |
178 | SNDRV_PCM_STREAM_PLAYBACK = 0, |
179 | SNDRV_PCM_STREAM_CAPTURE, |
180 | SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE, |
181 | }; |
182 | |
183 | typedef 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 | |
191 | typedef 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 | |
274 | typedef 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 | |
305 | typedef 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 | |
317 | enum { |
318 | SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000, |
319 | SNDRV_PCM_MMAP_OFFSET_STATUS = 0x80000000, |
320 | SNDRV_PCM_MMAP_OFFSET_CONTROL = 0x81000000, |
321 | }; |
322 | |
323 | union snd_pcm_sync_id { |
324 | unsigned char id[16]; |
325 | unsigned short id16[8]; |
326 | unsigned int id32[4]; |
327 | }; |
328 | |
329 | struct 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 | |
345 | typedef 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 | |
381 | struct 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 | |
391 | struct snd_mask { |
392 | __u32 bits[(SNDRV_MASK_MAX+31)/32]; |
393 | }; |
394 | |
395 | struct 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 | |
413 | enum { |
414 | SNDRV_PCM_TSTAMP_NONE = 0, |
415 | SNDRV_PCM_TSTAMP_ENABLE, |
416 | SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_ENABLE, |
417 | }; |
418 | |
419 | struct 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 | |
435 | struct 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 | |
442 | enum { |
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 | |
458 | struct 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 | |
476 | struct 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 | |
485 | struct 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 | |
494 | struct 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 | |
506 | struct snd_xferi { |
507 | snd_pcm_sframes_t result; |
508 | void __user *buf; |
509 | snd_pcm_uframes_t frames; |
510 | }; |
511 | |
512 | struct snd_xfern { |
513 | snd_pcm_sframes_t result; |
514 | void __user * __user *bufs; |
515 | snd_pcm_uframes_t frames; |
516 | }; |
517 | |
518 | enum { |
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 */ |
526 | enum { |
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 | |
618 | enum { |
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 | |
628 | struct 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 | |
642 | struct 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 | |
650 | struct 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 | |
671 | enum { |
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 */ |
681 | enum { |
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 | |
698 | struct snd_timer_id { |
699 | int dev_class; |
700 | int dev_sclass; |
701 | int card; |
702 | int device; |
703 | int subdevice; |
704 | }; |
705 | |
706 | struct 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 | |
720 | struct 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 | |
727 | struct 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 | |
735 | struct snd_timer_select { |
736 | struct snd_timer_id id; /* bind to timer ID */ |
737 | unsigned char reserved[32]; /* reserved */ |
738 | }; |
739 | |
740 | struct 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 | |
754 | struct 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 | |
763 | struct 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 | |
788 | struct snd_timer_read { |
789 | unsigned int resolution; |
790 | unsigned int ticks; |
791 | }; |
792 | |
793 | enum { |
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 | |
812 | struct 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 | |
826 | struct 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 | |
838 | typedef 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 | |
848 | typedef 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 | |
884 | struct 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 | |
893 | struct 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 | |
902 | struct 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 | |
935 | struct 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 | |
961 | struct 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 | |
997 | enum 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 | |
1008 | struct 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 | |