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674e95ca DH |
1 | /* |
2 | * Advanced Linux Sound Architecture - ALSA - Driver | |
3 | * Copyright (c) 1994-2003 by Jaroslav Kysela <perex@perex.cz>, | |
4 | * Abramo Bagnara <abramo@alsa-project.org> | |
5 | * | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | * | |
21 | */ | |
22 | ||
23 | #ifndef _UAPI__SOUND_ASOUND_H | |
24 | #define _UAPI__SOUND_ASOUND_H | |
25 | ||
59e42827 | 26 | #if defined(__KERNEL__) || defined(__linux__) |
674e95ca | 27 | #include <linux/types.h> |
59e42827 TK |
28 | #else |
29 | #include <sys/ioctl.h> | |
30 | #endif | |
674e95ca | 31 | |
4bebf709 MR |
32 | #ifndef __KERNEL__ |
33 | #include <stdlib.h> | |
34 | #endif | |
674e95ca DH |
35 | |
36 | /* | |
37 | * protocol version | |
38 | */ | |
39 | ||
40 | #define SNDRV_PROTOCOL_VERSION(major, minor, subminor) (((major)<<16)|((minor)<<8)|(subminor)) | |
41 | #define SNDRV_PROTOCOL_MAJOR(version) (((version)>>16)&0xffff) | |
42 | #define SNDRV_PROTOCOL_MINOR(version) (((version)>>8)&0xff) | |
43 | #define SNDRV_PROTOCOL_MICRO(version) ((version)&0xff) | |
44 | #define SNDRV_PROTOCOL_INCOMPATIBLE(kversion, uversion) \ | |
45 | (SNDRV_PROTOCOL_MAJOR(kversion) != SNDRV_PROTOCOL_MAJOR(uversion) || \ | |
46 | (SNDRV_PROTOCOL_MAJOR(kversion) == SNDRV_PROTOCOL_MAJOR(uversion) && \ | |
47 | SNDRV_PROTOCOL_MINOR(kversion) != SNDRV_PROTOCOL_MINOR(uversion))) | |
48 | ||
49 | /**************************************************************************** | |
50 | * * | |
51 | * Digital audio interface * | |
52 | * * | |
53 | ****************************************************************************/ | |
54 | ||
55 | struct snd_aes_iec958 { | |
56 | unsigned char status[24]; /* AES/IEC958 channel status bits */ | |
57 | unsigned char subcode[147]; /* AES/IEC958 subcode bits */ | |
58 | unsigned char pad; /* nothing */ | |
59 | unsigned char dig_subframe[4]; /* AES/IEC958 subframe bits */ | |
60 | }; | |
61 | ||
62 | /**************************************************************************** | |
63 | * * | |
64 | * CEA-861 Audio InfoFrame. Used in HDMI and DisplayPort * | |
65 | * * | |
66 | ****************************************************************************/ | |
67 | ||
68 | struct snd_cea_861_aud_if { | |
69 | unsigned char db1_ct_cc; /* coding type and channel count */ | |
70 | unsigned char db2_sf_ss; /* sample frequency and size */ | |
71 | unsigned char db3; /* not used, all zeros */ | |
72 | unsigned char db4_ca; /* channel allocation code */ | |
73 | unsigned char db5_dminh_lsv; /* downmix inhibit & level-shit values */ | |
74 | }; | |
75 | ||
76 | /**************************************************************************** | |
77 | * * | |
78 | * Section for driver hardware dependent interface - /dev/snd/hw? * | |
79 | * * | |
80 | ****************************************************************************/ | |
81 | ||
82 | #define SNDRV_HWDEP_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1) | |
83 | ||
84 | enum { | |
85 | SNDRV_HWDEP_IFACE_OPL2 = 0, | |
86 | SNDRV_HWDEP_IFACE_OPL3, | |
87 | SNDRV_HWDEP_IFACE_OPL4, | |
88 | SNDRV_HWDEP_IFACE_SB16CSP, /* Creative Signal Processor */ | |
89 | SNDRV_HWDEP_IFACE_EMU10K1, /* FX8010 processor in EMU10K1 chip */ | |
90 | SNDRV_HWDEP_IFACE_YSS225, /* Yamaha FX processor */ | |
91 | SNDRV_HWDEP_IFACE_ICS2115, /* Wavetable synth */ | |
92 | SNDRV_HWDEP_IFACE_SSCAPE, /* Ensoniq SoundScape ISA card (MC68EC000) */ | |
93 | SNDRV_HWDEP_IFACE_VX, /* Digigram VX cards */ | |
94 | SNDRV_HWDEP_IFACE_MIXART, /* Digigram miXart cards */ | |
95 | SNDRV_HWDEP_IFACE_USX2Y, /* Tascam US122, US224 & US428 usb */ | |
96 | SNDRV_HWDEP_IFACE_EMUX_WAVETABLE, /* EmuX wavetable */ | |
97 | SNDRV_HWDEP_IFACE_BLUETOOTH, /* Bluetooth audio */ | |
98 | SNDRV_HWDEP_IFACE_USX2Y_PCM, /* Tascam US122, US224 & US428 rawusb pcm */ | |
99 | SNDRV_HWDEP_IFACE_PCXHR, /* Digigram PCXHR */ | |
100 | SNDRV_HWDEP_IFACE_SB_RC, /* SB Extigy/Audigy2NX remote control */ | |
101 | SNDRV_HWDEP_IFACE_HDA, /* HD-audio */ | |
102 | SNDRV_HWDEP_IFACE_USB_STREAM, /* direct access to usb stream */ | |
82fbb4f7 | 103 | SNDRV_HWDEP_IFACE_FW_DICE, /* TC DICE FireWire device */ |
594ddced | 104 | SNDRV_HWDEP_IFACE_FW_FIREWORKS, /* Echo Audio Fireworks based device */ |
618eabea | 105 | SNDRV_HWDEP_IFACE_FW_BEBOB, /* BridgeCo BeBoB based device */ |
8985f4ac | 106 | SNDRV_HWDEP_IFACE_FW_OXFW, /* Oxford OXFW970/971 based device */ |
660dd3d5 | 107 | SNDRV_HWDEP_IFACE_FW_DIGI00X, /* Digidesign Digi 002/003 family */ |
e5e0c3dd | 108 | SNDRV_HWDEP_IFACE_FW_TASCAM, /* TASCAM FireWire series */ |
a16039cb | 109 | SNDRV_HWDEP_IFACE_LINE6, /* Line6 USB processors */ |
71c37977 | 110 | SNDRV_HWDEP_IFACE_FW_MOTU, /* MOTU FireWire series */ |
f656edd5 | 111 | SNDRV_HWDEP_IFACE_FW_FIREFACE, /* RME Fireface series */ |
674e95ca DH |
112 | |
113 | /* Don't forget to change the following: */ | |
f656edd5 | 114 | SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_FW_FIREFACE |
674e95ca DH |
115 | }; |
116 | ||
117 | struct snd_hwdep_info { | |
118 | unsigned int device; /* WR: device number */ | |
119 | int card; /* R: card number */ | |
120 | unsigned char id[64]; /* ID (user selectable) */ | |
121 | unsigned char name[80]; /* hwdep name */ | |
122 | int iface; /* hwdep interface */ | |
123 | unsigned char reserved[64]; /* reserved for future */ | |
124 | }; | |
125 | ||
126 | /* generic DSP loader */ | |
127 | struct snd_hwdep_dsp_status { | |
128 | unsigned int version; /* R: driver-specific version */ | |
129 | unsigned char id[32]; /* R: driver-specific ID string */ | |
130 | unsigned int num_dsps; /* R: number of DSP images to transfer */ | |
131 | unsigned int dsp_loaded; /* R: bit flags indicating the loaded DSPs */ | |
132 | unsigned int chip_ready; /* R: 1 = initialization finished */ | |
133 | unsigned char reserved[16]; /* reserved for future use */ | |
134 | }; | |
135 | ||
136 | struct snd_hwdep_dsp_image { | |
137 | unsigned int index; /* W: DSP index */ | |
138 | unsigned char name[64]; /* W: ID (e.g. file name) */ | |
139 | unsigned char __user *image; /* W: binary image */ | |
140 | size_t length; /* W: size of image in bytes */ | |
141 | unsigned long driver_data; /* W: driver-specific data */ | |
142 | }; | |
143 | ||
144 | #define SNDRV_HWDEP_IOCTL_PVERSION _IOR ('H', 0x00, int) | |
145 | #define SNDRV_HWDEP_IOCTL_INFO _IOR ('H', 0x01, struct snd_hwdep_info) | |
146 | #define SNDRV_HWDEP_IOCTL_DSP_STATUS _IOR('H', 0x02, struct snd_hwdep_dsp_status) | |
147 | #define SNDRV_HWDEP_IOCTL_DSP_LOAD _IOW('H', 0x03, struct snd_hwdep_dsp_image) | |
148 | ||
149 | /***************************************************************************** | |
150 | * * | |
151 | * Digital Audio (PCM) interface - /dev/snd/pcm?? * | |
152 | * * | |
153 | *****************************************************************************/ | |
154 | ||
c72638bd | 155 | #define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 13) |
674e95ca DH |
156 | |
157 | typedef unsigned long snd_pcm_uframes_t; | |
158 | typedef signed long snd_pcm_sframes_t; | |
159 | ||
160 | enum { | |
161 | SNDRV_PCM_CLASS_GENERIC = 0, /* standard mono or stereo device */ | |
162 | SNDRV_PCM_CLASS_MULTI, /* multichannel device */ | |
163 | SNDRV_PCM_CLASS_MODEM, /* software modem class */ | |
164 | SNDRV_PCM_CLASS_DIGITIZER, /* digitizer class */ | |
165 | /* Don't forget to change the following: */ | |
166 | SNDRV_PCM_CLASS_LAST = SNDRV_PCM_CLASS_DIGITIZER, | |
167 | }; | |
168 | ||
169 | enum { | |
170 | SNDRV_PCM_SUBCLASS_GENERIC_MIX = 0, /* mono or stereo subdevices are mixed together */ | |
171 | SNDRV_PCM_SUBCLASS_MULTI_MIX, /* multichannel subdevices are mixed together */ | |
172 | /* Don't forget to change the following: */ | |
173 | SNDRV_PCM_SUBCLASS_LAST = SNDRV_PCM_SUBCLASS_MULTI_MIX, | |
174 | }; | |
175 | ||
176 | enum { | |
177 | SNDRV_PCM_STREAM_PLAYBACK = 0, | |
178 | SNDRV_PCM_STREAM_CAPTURE, | |
179 | SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE, | |
180 | }; | |
181 | ||
182 | typedef int __bitwise snd_pcm_access_t; | |
183 | #define SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ((__force snd_pcm_access_t) 0) /* interleaved mmap */ | |
184 | #define SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ((__force snd_pcm_access_t) 1) /* noninterleaved mmap */ | |
185 | #define SNDRV_PCM_ACCESS_MMAP_COMPLEX ((__force snd_pcm_access_t) 2) /* complex mmap */ | |
186 | #define SNDRV_PCM_ACCESS_RW_INTERLEAVED ((__force snd_pcm_access_t) 3) /* readi/writei */ | |
187 | #define SNDRV_PCM_ACCESS_RW_NONINTERLEAVED ((__force snd_pcm_access_t) 4) /* readn/writen */ | |
188 | #define SNDRV_PCM_ACCESS_LAST SNDRV_PCM_ACCESS_RW_NONINTERLEAVED | |
189 | ||
190 | typedef int __bitwise snd_pcm_format_t; | |
191 | #define SNDRV_PCM_FORMAT_S8 ((__force snd_pcm_format_t) 0) | |
192 | #define SNDRV_PCM_FORMAT_U8 ((__force snd_pcm_format_t) 1) | |
193 | #define SNDRV_PCM_FORMAT_S16_LE ((__force snd_pcm_format_t) 2) | |
194 | #define SNDRV_PCM_FORMAT_S16_BE ((__force snd_pcm_format_t) 3) | |
195 | #define SNDRV_PCM_FORMAT_U16_LE ((__force snd_pcm_format_t) 4) | |
196 | #define SNDRV_PCM_FORMAT_U16_BE ((__force snd_pcm_format_t) 5) | |
197 | #define SNDRV_PCM_FORMAT_S24_LE ((__force snd_pcm_format_t) 6) /* low three bytes */ | |
198 | #define SNDRV_PCM_FORMAT_S24_BE ((__force snd_pcm_format_t) 7) /* low three bytes */ | |
199 | #define SNDRV_PCM_FORMAT_U24_LE ((__force snd_pcm_format_t) 8) /* low three bytes */ | |
200 | #define SNDRV_PCM_FORMAT_U24_BE ((__force snd_pcm_format_t) 9) /* low three bytes */ | |
201 | #define SNDRV_PCM_FORMAT_S32_LE ((__force snd_pcm_format_t) 10) | |
202 | #define SNDRV_PCM_FORMAT_S32_BE ((__force snd_pcm_format_t) 11) | |
203 | #define SNDRV_PCM_FORMAT_U32_LE ((__force snd_pcm_format_t) 12) | |
204 | #define SNDRV_PCM_FORMAT_U32_BE ((__force snd_pcm_format_t) 13) | |
205 | #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 */ | |
206 | #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 */ | |
207 | #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 */ | |
208 | #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 */ | |
209 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE ((__force snd_pcm_format_t) 18) /* IEC-958 subframe, Little Endian */ | |
210 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE ((__force snd_pcm_format_t) 19) /* IEC-958 subframe, Big Endian */ | |
211 | #define SNDRV_PCM_FORMAT_MU_LAW ((__force snd_pcm_format_t) 20) | |
212 | #define SNDRV_PCM_FORMAT_A_LAW ((__force snd_pcm_format_t) 21) | |
213 | #define SNDRV_PCM_FORMAT_IMA_ADPCM ((__force snd_pcm_format_t) 22) | |
214 | #define SNDRV_PCM_FORMAT_MPEG ((__force snd_pcm_format_t) 23) | |
215 | #define SNDRV_PCM_FORMAT_GSM ((__force snd_pcm_format_t) 24) | |
216 | #define SNDRV_PCM_FORMAT_SPECIAL ((__force snd_pcm_format_t) 31) | |
217 | #define SNDRV_PCM_FORMAT_S24_3LE ((__force snd_pcm_format_t) 32) /* in three bytes */ | |
218 | #define SNDRV_PCM_FORMAT_S24_3BE ((__force snd_pcm_format_t) 33) /* in three bytes */ | |
219 | #define SNDRV_PCM_FORMAT_U24_3LE ((__force snd_pcm_format_t) 34) /* in three bytes */ | |
220 | #define SNDRV_PCM_FORMAT_U24_3BE ((__force snd_pcm_format_t) 35) /* in three bytes */ | |
221 | #define SNDRV_PCM_FORMAT_S20_3LE ((__force snd_pcm_format_t) 36) /* in three bytes */ | |
222 | #define SNDRV_PCM_FORMAT_S20_3BE ((__force snd_pcm_format_t) 37) /* in three bytes */ | |
223 | #define SNDRV_PCM_FORMAT_U20_3LE ((__force snd_pcm_format_t) 38) /* in three bytes */ | |
224 | #define SNDRV_PCM_FORMAT_U20_3BE ((__force snd_pcm_format_t) 39) /* in three bytes */ | |
225 | #define SNDRV_PCM_FORMAT_S18_3LE ((__force snd_pcm_format_t) 40) /* in three bytes */ | |
226 | #define SNDRV_PCM_FORMAT_S18_3BE ((__force snd_pcm_format_t) 41) /* in three bytes */ | |
227 | #define SNDRV_PCM_FORMAT_U18_3LE ((__force snd_pcm_format_t) 42) /* in three bytes */ | |
228 | #define SNDRV_PCM_FORMAT_U18_3BE ((__force snd_pcm_format_t) 43) /* in three bytes */ | |
229 | #define SNDRV_PCM_FORMAT_G723_24 ((__force snd_pcm_format_t) 44) /* 8 samples in 3 bytes */ | |
230 | #define SNDRV_PCM_FORMAT_G723_24_1B ((__force snd_pcm_format_t) 45) /* 1 sample in 1 byte */ | |
231 | #define SNDRV_PCM_FORMAT_G723_40 ((__force snd_pcm_format_t) 46) /* 8 Samples in 5 bytes */ | |
232 | #define SNDRV_PCM_FORMAT_G723_40_1B ((__force snd_pcm_format_t) 47) /* 1 sample in 1 byte */ | |
ef7a4f97 DM |
233 | #define SNDRV_PCM_FORMAT_DSD_U8 ((__force snd_pcm_format_t) 48) /* DSD, 1-byte samples DSD (x8) */ |
234 | #define SNDRV_PCM_FORMAT_DSD_U16_LE ((__force snd_pcm_format_t) 49) /* DSD, 2-byte samples DSD (x16), little endian */ | |
d4288d3f | 235 | #define SNDRV_PCM_FORMAT_DSD_U32_LE ((__force snd_pcm_format_t) 50) /* DSD, 4-byte samples DSD (x32), little endian */ |
d42472ec JL |
236 | #define SNDRV_PCM_FORMAT_DSD_U16_BE ((__force snd_pcm_format_t) 51) /* DSD, 2-byte samples DSD (x16), big endian */ |
237 | #define SNDRV_PCM_FORMAT_DSD_U32_BE ((__force snd_pcm_format_t) 52) /* DSD, 4-byte samples DSD (x32), big endian */ | |
238 | #define SNDRV_PCM_FORMAT_LAST SNDRV_PCM_FORMAT_DSD_U32_BE | |
674e95ca DH |
239 | |
240 | #ifdef SNDRV_LITTLE_ENDIAN | |
241 | #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_LE | |
242 | #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_LE | |
243 | #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_LE | |
244 | #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_LE | |
245 | #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_LE | |
246 | #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_LE | |
247 | #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_LE | |
248 | #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_LE | |
249 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE | |
250 | #endif | |
251 | #ifdef SNDRV_BIG_ENDIAN | |
252 | #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_BE | |
253 | #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_BE | |
254 | #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_BE | |
255 | #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_BE | |
256 | #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_BE | |
257 | #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_BE | |
258 | #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_BE | |
259 | #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_BE | |
260 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE | |
261 | #endif | |
262 | ||
263 | typedef int __bitwise snd_pcm_subformat_t; | |
264 | #define SNDRV_PCM_SUBFORMAT_STD ((__force snd_pcm_subformat_t) 0) | |
265 | #define SNDRV_PCM_SUBFORMAT_LAST SNDRV_PCM_SUBFORMAT_STD | |
266 | ||
267 | #define SNDRV_PCM_INFO_MMAP 0x00000001 /* hardware supports mmap */ | |
268 | #define SNDRV_PCM_INFO_MMAP_VALID 0x00000002 /* period data are valid during transfer */ | |
269 | #define SNDRV_PCM_INFO_DOUBLE 0x00000004 /* Double buffering needed for PCM start/stop */ | |
270 | #define SNDRV_PCM_INFO_BATCH 0x00000010 /* double buffering */ | |
42f94597 | 271 | #define SNDRV_PCM_INFO_SYNC_APPLPTR 0x00000020 /* need the explicit sync of appl_ptr update */ |
674e95ca DH |
272 | #define SNDRV_PCM_INFO_INTERLEAVED 0x00000100 /* channels are interleaved */ |
273 | #define SNDRV_PCM_INFO_NONINTERLEAVED 0x00000200 /* channels are not interleaved */ | |
274 | #define SNDRV_PCM_INFO_COMPLEX 0x00000400 /* complex frame organization (mmap only) */ | |
275 | #define SNDRV_PCM_INFO_BLOCK_TRANSFER 0x00010000 /* hardware transfer block of samples */ | |
276 | #define SNDRV_PCM_INFO_OVERRANGE 0x00020000 /* hardware supports ADC (capture) overrange detection */ | |
277 | #define SNDRV_PCM_INFO_RESUME 0x00040000 /* hardware supports stream resume after suspend */ | |
278 | #define SNDRV_PCM_INFO_PAUSE 0x00080000 /* pause ioctl is supported */ | |
279 | #define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000 /* only half duplex */ | |
280 | #define SNDRV_PCM_INFO_JOINT_DUPLEX 0x00200000 /* playback and capture stream are somewhat correlated */ | |
281 | #define SNDRV_PCM_INFO_SYNC_START 0x00400000 /* pcm support some kind of sync go */ | |
282 | #define SNDRV_PCM_INFO_NO_PERIOD_WAKEUP 0x00800000 /* period wakeup can be disabled */ | |
229d0430 PLB |
283 | #define SNDRV_PCM_INFO_HAS_WALL_CLOCK 0x01000000 /* (Deprecated)has audio wall clock for audio/system time sync */ |
284 | #define SNDRV_PCM_INFO_HAS_LINK_ATIME 0x01000000 /* report hardware link audio time, reset on startup */ | |
285 | #define SNDRV_PCM_INFO_HAS_LINK_ABSOLUTE_ATIME 0x02000000 /* report absolute hardware link audio time, not reset on startup */ | |
286 | #define SNDRV_PCM_INFO_HAS_LINK_ESTIMATED_ATIME 0x04000000 /* report estimated link audio time */ | |
287 | #define SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME 0x08000000 /* report synchronized audio/system time */ | |
288 | ||
48d88297 | 289 | #define SNDRV_PCM_INFO_DRAIN_TRIGGER 0x40000000 /* internal kernel flag - trigger in drain */ |
674e95ca DH |
290 | #define SNDRV_PCM_INFO_FIFO_IN_FRAMES 0x80000000 /* internal kernel flag - FIFO size is in frames */ |
291 | ||
229d0430 PLB |
292 | |
293 | ||
674e95ca DH |
294 | typedef int __bitwise snd_pcm_state_t; |
295 | #define SNDRV_PCM_STATE_OPEN ((__force snd_pcm_state_t) 0) /* stream is open */ | |
296 | #define SNDRV_PCM_STATE_SETUP ((__force snd_pcm_state_t) 1) /* stream has a setup */ | |
297 | #define SNDRV_PCM_STATE_PREPARED ((__force snd_pcm_state_t) 2) /* stream is ready to start */ | |
298 | #define SNDRV_PCM_STATE_RUNNING ((__force snd_pcm_state_t) 3) /* stream is running */ | |
299 | #define SNDRV_PCM_STATE_XRUN ((__force snd_pcm_state_t) 4) /* stream reached an xrun */ | |
300 | #define SNDRV_PCM_STATE_DRAINING ((__force snd_pcm_state_t) 5) /* stream is draining */ | |
301 | #define SNDRV_PCM_STATE_PAUSED ((__force snd_pcm_state_t) 6) /* stream is paused */ | |
302 | #define SNDRV_PCM_STATE_SUSPENDED ((__force snd_pcm_state_t) 7) /* hardware is suspended */ | |
303 | #define SNDRV_PCM_STATE_DISCONNECTED ((__force snd_pcm_state_t) 8) /* hardware is disconnected */ | |
304 | #define SNDRV_PCM_STATE_LAST SNDRV_PCM_STATE_DISCONNECTED | |
305 | ||
306 | enum { | |
307 | SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000, | |
308 | SNDRV_PCM_MMAP_OFFSET_STATUS = 0x80000000, | |
309 | SNDRV_PCM_MMAP_OFFSET_CONTROL = 0x81000000, | |
310 | }; | |
311 | ||
312 | union snd_pcm_sync_id { | |
313 | unsigned char id[16]; | |
314 | unsigned short id16[8]; | |
315 | unsigned int id32[4]; | |
316 | }; | |
317 | ||
318 | struct snd_pcm_info { | |
319 | unsigned int device; /* RO/WR (control): device number */ | |
320 | unsigned int subdevice; /* RO/WR (control): subdevice number */ | |
321 | int stream; /* RO/WR (control): stream direction */ | |
322 | int card; /* R: card number */ | |
323 | unsigned char id[64]; /* ID (user selectable) */ | |
324 | unsigned char name[80]; /* name of this device */ | |
325 | unsigned char subname[32]; /* subdevice name */ | |
326 | int dev_class; /* SNDRV_PCM_CLASS_* */ | |
327 | int dev_subclass; /* SNDRV_PCM_SUBCLASS_* */ | |
328 | unsigned int subdevices_count; | |
329 | unsigned int subdevices_avail; | |
330 | union snd_pcm_sync_id sync; /* hardware synchronization ID */ | |
331 | unsigned char reserved[64]; /* reserved for future... */ | |
332 | }; | |
333 | ||
334 | typedef int snd_pcm_hw_param_t; | |
335 | #define SNDRV_PCM_HW_PARAM_ACCESS 0 /* Access type */ | |
336 | #define SNDRV_PCM_HW_PARAM_FORMAT 1 /* Format */ | |
337 | #define SNDRV_PCM_HW_PARAM_SUBFORMAT 2 /* Subformat */ | |
338 | #define SNDRV_PCM_HW_PARAM_FIRST_MASK SNDRV_PCM_HW_PARAM_ACCESS | |
339 | #define SNDRV_PCM_HW_PARAM_LAST_MASK SNDRV_PCM_HW_PARAM_SUBFORMAT | |
340 | ||
341 | #define SNDRV_PCM_HW_PARAM_SAMPLE_BITS 8 /* Bits per sample */ | |
342 | #define SNDRV_PCM_HW_PARAM_FRAME_BITS 9 /* Bits per frame */ | |
343 | #define SNDRV_PCM_HW_PARAM_CHANNELS 10 /* Channels */ | |
344 | #define SNDRV_PCM_HW_PARAM_RATE 11 /* Approx rate */ | |
345 | #define SNDRV_PCM_HW_PARAM_PERIOD_TIME 12 /* Approx distance between | |
346 | * interrupts in us | |
347 | */ | |
348 | #define SNDRV_PCM_HW_PARAM_PERIOD_SIZE 13 /* Approx frames between | |
349 | * interrupts | |
350 | */ | |
351 | #define SNDRV_PCM_HW_PARAM_PERIOD_BYTES 14 /* Approx bytes between | |
352 | * interrupts | |
353 | */ | |
354 | #define SNDRV_PCM_HW_PARAM_PERIODS 15 /* Approx interrupts per | |
355 | * buffer | |
356 | */ | |
357 | #define SNDRV_PCM_HW_PARAM_BUFFER_TIME 16 /* Approx duration of buffer | |
358 | * in us | |
359 | */ | |
360 | #define SNDRV_PCM_HW_PARAM_BUFFER_SIZE 17 /* Size of buffer in frames */ | |
361 | #define SNDRV_PCM_HW_PARAM_BUFFER_BYTES 18 /* Size of buffer in bytes */ | |
362 | #define SNDRV_PCM_HW_PARAM_TICK_TIME 19 /* Approx tick duration in us */ | |
363 | #define SNDRV_PCM_HW_PARAM_FIRST_INTERVAL SNDRV_PCM_HW_PARAM_SAMPLE_BITS | |
364 | #define SNDRV_PCM_HW_PARAM_LAST_INTERVAL SNDRV_PCM_HW_PARAM_TICK_TIME | |
365 | ||
366 | #define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1<<0) /* avoid rate resampling */ | |
367 | #define SNDRV_PCM_HW_PARAMS_EXPORT_BUFFER (1<<1) /* export buffer */ | |
368 | #define SNDRV_PCM_HW_PARAMS_NO_PERIOD_WAKEUP (1<<2) /* disable period wakeups */ | |
369 | ||
370 | struct snd_interval { | |
371 | unsigned int min, max; | |
372 | unsigned int openmin:1, | |
373 | openmax:1, | |
374 | integer:1, | |
375 | empty:1; | |
376 | }; | |
377 | ||
378 | #define SNDRV_MASK_MAX 256 | |
379 | ||
380 | struct snd_mask { | |
381 | __u32 bits[(SNDRV_MASK_MAX+31)/32]; | |
382 | }; | |
383 | ||
384 | struct snd_pcm_hw_params { | |
385 | unsigned int flags; | |
386 | struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - | |
387 | SNDRV_PCM_HW_PARAM_FIRST_MASK + 1]; | |
388 | struct snd_mask mres[5]; /* reserved masks */ | |
389 | struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL - | |
390 | SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1]; | |
391 | struct snd_interval ires[9]; /* reserved intervals */ | |
392 | unsigned int rmask; /* W: requested masks */ | |
393 | unsigned int cmask; /* R: changed masks */ | |
394 | unsigned int info; /* R: Info flags for returned setup */ | |
395 | unsigned int msbits; /* R: used most significant bits */ | |
396 | unsigned int rate_num; /* R: rate numerator */ | |
397 | unsigned int rate_den; /* R: rate denominator */ | |
398 | snd_pcm_uframes_t fifo_size; /* R: chip FIFO size in frames */ | |
399 | unsigned char reserved[64]; /* reserved for future */ | |
400 | }; | |
401 | ||
402 | enum { | |
403 | SNDRV_PCM_TSTAMP_NONE = 0, | |
404 | SNDRV_PCM_TSTAMP_ENABLE, | |
405 | SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_ENABLE, | |
406 | }; | |
407 | ||
408 | struct snd_pcm_sw_params { | |
409 | int tstamp_mode; /* timestamp mode */ | |
410 | unsigned int period_step; | |
411 | unsigned int sleep_min; /* min ticks to sleep */ | |
412 | snd_pcm_uframes_t avail_min; /* min avail frames for wakeup */ | |
413 | snd_pcm_uframes_t xfer_align; /* obsolete: xfer size need to be a multiple */ | |
414 | snd_pcm_uframes_t start_threshold; /* min hw_avail frames for automatic start */ | |
415 | snd_pcm_uframes_t stop_threshold; /* min avail frames for automatic stop */ | |
416 | snd_pcm_uframes_t silence_threshold; /* min distance from noise for silence filling */ | |
417 | snd_pcm_uframes_t silence_size; /* silence block size */ | |
418 | snd_pcm_uframes_t boundary; /* pointers wrap point */ | |
58900810 TI |
419 | unsigned int proto; /* protocol version */ |
420 | unsigned int tstamp_type; /* timestamp type (req. proto >= 2.0.12) */ | |
5646eda5 | 421 | unsigned char reserved[56]; /* reserved for future */ |
674e95ca DH |
422 | }; |
423 | ||
424 | struct snd_pcm_channel_info { | |
425 | unsigned int channel; | |
426 | __kernel_off_t offset; /* mmap offset */ | |
427 | unsigned int first; /* offset to first sample in bits */ | |
428 | unsigned int step; /* samples distance in bits */ | |
429 | }; | |
430 | ||
229d0430 PLB |
431 | enum { |
432 | /* | |
433 | * first definition for backwards compatibility only, | |
434 | * maps to wallclock/link time for HDAudio playback and DEFAULT/DMA time for everything else | |
435 | */ | |
436 | SNDRV_PCM_AUDIO_TSTAMP_TYPE_COMPAT = 0, | |
437 | ||
438 | /* timestamp definitions */ | |
439 | SNDRV_PCM_AUDIO_TSTAMP_TYPE_DEFAULT = 1, /* DMA time, reported as per hw_ptr */ | |
440 | SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK = 2, /* link time reported by sample or wallclock counter, reset on startup */ | |
441 | SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_ABSOLUTE = 3, /* link time reported by sample or wallclock counter, not reset on startup */ | |
442 | SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_ESTIMATED = 4, /* link time estimated indirectly */ | |
443 | SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_SYNCHRONIZED = 5, /* link time synchronized with system time */ | |
444 | SNDRV_PCM_AUDIO_TSTAMP_TYPE_LAST = SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_SYNCHRONIZED | |
445 | }; | |
446 | ||
674e95ca DH |
447 | struct snd_pcm_status { |
448 | snd_pcm_state_t state; /* stream state */ | |
449 | struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */ | |
450 | struct timespec tstamp; /* reference timestamp */ | |
451 | snd_pcm_uframes_t appl_ptr; /* appl ptr */ | |
452 | snd_pcm_uframes_t hw_ptr; /* hw ptr */ | |
453 | snd_pcm_sframes_t delay; /* current delay in frames */ | |
454 | snd_pcm_uframes_t avail; /* number of frames available */ | |
455 | snd_pcm_uframes_t avail_max; /* max frames available on hw since last status */ | |
456 | snd_pcm_uframes_t overrange; /* count of ADC (capture) overrange detections from last status */ | |
457 | snd_pcm_state_t suspended_state; /* suspended stream state */ | |
229d0430 PLB |
458 | __u32 audio_tstamp_data; /* needed for 64-bit alignment, used for configs/report to/from userspace */ |
459 | struct timespec audio_tstamp; /* sample counter, wall clock, PHC or on-demand sync'ed */ | |
460 | struct timespec driver_tstamp; /* useful in case reference system tstamp is reported with delay */ | |
461 | __u32 audio_tstamp_accuracy; /* in ns units, only valid if indicated in audio_tstamp_data */ | |
462 | unsigned char reserved[52-2*sizeof(struct timespec)]; /* must be filled with zero */ | |
674e95ca DH |
463 | }; |
464 | ||
465 | struct snd_pcm_mmap_status { | |
466 | snd_pcm_state_t state; /* RO: state - SNDRV_PCM_STATE_XXXX */ | |
467 | int pad1; /* Needed for 64 bit alignment */ | |
468 | snd_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */ | |
469 | struct timespec tstamp; /* Timestamp */ | |
470 | snd_pcm_state_t suspended_state; /* RO: suspended stream state */ | |
4eeaaeae | 471 | struct timespec audio_tstamp; /* from sample counter or wall clock */ |
674e95ca DH |
472 | }; |
473 | ||
474 | struct snd_pcm_mmap_control { | |
475 | snd_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */ | |
476 | snd_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */ | |
477 | }; | |
478 | ||
479 | #define SNDRV_PCM_SYNC_PTR_HWSYNC (1<<0) /* execute hwsync */ | |
480 | #define SNDRV_PCM_SYNC_PTR_APPL (1<<1) /* get appl_ptr from driver (r/w op) */ | |
481 | #define SNDRV_PCM_SYNC_PTR_AVAIL_MIN (1<<2) /* get avail_min from driver */ | |
482 | ||
483 | struct snd_pcm_sync_ptr { | |
484 | unsigned int flags; | |
485 | union { | |
486 | struct snd_pcm_mmap_status status; | |
487 | unsigned char reserved[64]; | |
488 | } s; | |
489 | union { | |
490 | struct snd_pcm_mmap_control control; | |
491 | unsigned char reserved[64]; | |
492 | } c; | |
493 | }; | |
494 | ||
495 | struct snd_xferi { | |
496 | snd_pcm_sframes_t result; | |
497 | void __user *buf; | |
498 | snd_pcm_uframes_t frames; | |
499 | }; | |
500 | ||
501 | struct snd_xfern { | |
502 | snd_pcm_sframes_t result; | |
503 | void __user * __user *bufs; | |
504 | snd_pcm_uframes_t frames; | |
505 | }; | |
506 | ||
507 | enum { | |
508 | SNDRV_PCM_TSTAMP_TYPE_GETTIMEOFDAY = 0, /* gettimeofday equivalent */ | |
509 | SNDRV_PCM_TSTAMP_TYPE_MONOTONIC, /* posix_clock_monotonic equivalent */ | |
0ac8a52d MB |
510 | SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW, /* monotonic_raw (no NTP) */ |
511 | SNDRV_PCM_TSTAMP_TYPE_LAST = SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW, | |
674e95ca DH |
512 | }; |
513 | ||
514 | /* channel positions */ | |
515 | enum { | |
516 | SNDRV_CHMAP_UNKNOWN = 0, | |
517 | SNDRV_CHMAP_NA, /* N/A, silent */ | |
518 | SNDRV_CHMAP_MONO, /* mono stream */ | |
519 | /* this follows the alsa-lib mixer channel value + 3 */ | |
520 | SNDRV_CHMAP_FL, /* front left */ | |
521 | SNDRV_CHMAP_FR, /* front right */ | |
522 | SNDRV_CHMAP_RL, /* rear left */ | |
523 | SNDRV_CHMAP_RR, /* rear right */ | |
524 | SNDRV_CHMAP_FC, /* front center */ | |
525 | SNDRV_CHMAP_LFE, /* LFE */ | |
526 | SNDRV_CHMAP_SL, /* side left */ | |
527 | SNDRV_CHMAP_SR, /* side right */ | |
528 | SNDRV_CHMAP_RC, /* rear center */ | |
529 | /* new definitions */ | |
530 | SNDRV_CHMAP_FLC, /* front left center */ | |
531 | SNDRV_CHMAP_FRC, /* front right center */ | |
532 | SNDRV_CHMAP_RLC, /* rear left center */ | |
533 | SNDRV_CHMAP_RRC, /* rear right center */ | |
534 | SNDRV_CHMAP_FLW, /* front left wide */ | |
535 | SNDRV_CHMAP_FRW, /* front right wide */ | |
536 | SNDRV_CHMAP_FLH, /* front left high */ | |
537 | SNDRV_CHMAP_FCH, /* front center high */ | |
538 | SNDRV_CHMAP_FRH, /* front right high */ | |
539 | SNDRV_CHMAP_TC, /* top center */ | |
540 | SNDRV_CHMAP_TFL, /* top front left */ | |
541 | SNDRV_CHMAP_TFR, /* top front right */ | |
542 | SNDRV_CHMAP_TFC, /* top front center */ | |
543 | SNDRV_CHMAP_TRL, /* top rear left */ | |
544 | SNDRV_CHMAP_TRR, /* top rear right */ | |
545 | SNDRV_CHMAP_TRC, /* top rear center */ | |
7cc17a31 TI |
546 | /* new definitions for UAC2 */ |
547 | SNDRV_CHMAP_TFLC, /* top front left center */ | |
548 | SNDRV_CHMAP_TFRC, /* top front right center */ | |
549 | SNDRV_CHMAP_TSL, /* top side left */ | |
550 | SNDRV_CHMAP_TSR, /* top side right */ | |
551 | SNDRV_CHMAP_LLFE, /* left LFE */ | |
552 | SNDRV_CHMAP_RLFE, /* right LFE */ | |
553 | SNDRV_CHMAP_BC, /* bottom center */ | |
554 | SNDRV_CHMAP_BLC, /* bottom left center */ | |
555 | SNDRV_CHMAP_BRC, /* bottom right center */ | |
556 | SNDRV_CHMAP_LAST = SNDRV_CHMAP_BRC, | |
674e95ca DH |
557 | }; |
558 | ||
559 | #define SNDRV_CHMAP_POSITION_MASK 0xffff | |
560 | #define SNDRV_CHMAP_PHASE_INVERSE (0x01 << 16) | |
561 | #define SNDRV_CHMAP_DRIVER_SPEC (0x02 << 16) | |
562 | ||
563 | #define SNDRV_PCM_IOCTL_PVERSION _IOR('A', 0x00, int) | |
564 | #define SNDRV_PCM_IOCTL_INFO _IOR('A', 0x01, struct snd_pcm_info) | |
565 | #define SNDRV_PCM_IOCTL_TSTAMP _IOW('A', 0x02, int) | |
566 | #define SNDRV_PCM_IOCTL_TTSTAMP _IOW('A', 0x03, int) | |
567 | #define SNDRV_PCM_IOCTL_HW_REFINE _IOWR('A', 0x10, struct snd_pcm_hw_params) | |
568 | #define SNDRV_PCM_IOCTL_HW_PARAMS _IOWR('A', 0x11, struct snd_pcm_hw_params) | |
569 | #define SNDRV_PCM_IOCTL_HW_FREE _IO('A', 0x12) | |
570 | #define SNDRV_PCM_IOCTL_SW_PARAMS _IOWR('A', 0x13, struct snd_pcm_sw_params) | |
571 | #define SNDRV_PCM_IOCTL_STATUS _IOR('A', 0x20, struct snd_pcm_status) | |
572 | #define SNDRV_PCM_IOCTL_DELAY _IOR('A', 0x21, snd_pcm_sframes_t) | |
573 | #define SNDRV_PCM_IOCTL_HWSYNC _IO('A', 0x22) | |
574 | #define SNDRV_PCM_IOCTL_SYNC_PTR _IOWR('A', 0x23, struct snd_pcm_sync_ptr) | |
229d0430 | 575 | #define SNDRV_PCM_IOCTL_STATUS_EXT _IOWR('A', 0x24, struct snd_pcm_status) |
674e95ca DH |
576 | #define SNDRV_PCM_IOCTL_CHANNEL_INFO _IOR('A', 0x32, struct snd_pcm_channel_info) |
577 | #define SNDRV_PCM_IOCTL_PREPARE _IO('A', 0x40) | |
578 | #define SNDRV_PCM_IOCTL_RESET _IO('A', 0x41) | |
579 | #define SNDRV_PCM_IOCTL_START _IO('A', 0x42) | |
580 | #define SNDRV_PCM_IOCTL_DROP _IO('A', 0x43) | |
581 | #define SNDRV_PCM_IOCTL_DRAIN _IO('A', 0x44) | |
582 | #define SNDRV_PCM_IOCTL_PAUSE _IOW('A', 0x45, int) | |
583 | #define SNDRV_PCM_IOCTL_REWIND _IOW('A', 0x46, snd_pcm_uframes_t) | |
584 | #define SNDRV_PCM_IOCTL_RESUME _IO('A', 0x47) | |
585 | #define SNDRV_PCM_IOCTL_XRUN _IO('A', 0x48) | |
586 | #define SNDRV_PCM_IOCTL_FORWARD _IOW('A', 0x49, snd_pcm_uframes_t) | |
587 | #define SNDRV_PCM_IOCTL_WRITEI_FRAMES _IOW('A', 0x50, struct snd_xferi) | |
588 | #define SNDRV_PCM_IOCTL_READI_FRAMES _IOR('A', 0x51, struct snd_xferi) | |
589 | #define SNDRV_PCM_IOCTL_WRITEN_FRAMES _IOW('A', 0x52, struct snd_xfern) | |
590 | #define SNDRV_PCM_IOCTL_READN_FRAMES _IOR('A', 0x53, struct snd_xfern) | |
591 | #define SNDRV_PCM_IOCTL_LINK _IOW('A', 0x60, int) | |
592 | #define SNDRV_PCM_IOCTL_UNLINK _IO('A', 0x61) | |
593 | ||
594 | /***************************************************************************** | |
595 | * * | |
596 | * MIDI v1.0 interface * | |
597 | * * | |
598 | *****************************************************************************/ | |
599 | ||
600 | /* | |
601 | * Raw MIDI section - /dev/snd/midi?? | |
602 | */ | |
603 | ||
604 | #define SNDRV_RAWMIDI_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 0) | |
605 | ||
606 | enum { | |
607 | SNDRV_RAWMIDI_STREAM_OUTPUT = 0, | |
608 | SNDRV_RAWMIDI_STREAM_INPUT, | |
609 | SNDRV_RAWMIDI_STREAM_LAST = SNDRV_RAWMIDI_STREAM_INPUT, | |
610 | }; | |
611 | ||
612 | #define SNDRV_RAWMIDI_INFO_OUTPUT 0x00000001 | |
613 | #define SNDRV_RAWMIDI_INFO_INPUT 0x00000002 | |
614 | #define SNDRV_RAWMIDI_INFO_DUPLEX 0x00000004 | |
615 | ||
616 | struct snd_rawmidi_info { | |
617 | unsigned int device; /* RO/WR (control): device number */ | |
618 | unsigned int subdevice; /* RO/WR (control): subdevice number */ | |
619 | int stream; /* WR: stream */ | |
620 | int card; /* R: card number */ | |
621 | unsigned int flags; /* SNDRV_RAWMIDI_INFO_XXXX */ | |
622 | unsigned char id[64]; /* ID (user selectable) */ | |
623 | unsigned char name[80]; /* name of device */ | |
624 | unsigned char subname[32]; /* name of active or selected subdevice */ | |
625 | unsigned int subdevices_count; | |
626 | unsigned int subdevices_avail; | |
627 | unsigned char reserved[64]; /* reserved for future use */ | |
628 | }; | |
629 | ||
630 | struct snd_rawmidi_params { | |
631 | int stream; | |
632 | size_t buffer_size; /* queue size in bytes */ | |
633 | size_t avail_min; /* minimum avail bytes for wakeup */ | |
634 | unsigned int no_active_sensing: 1; /* do not send active sensing byte in close() */ | |
635 | unsigned char reserved[16]; /* reserved for future use */ | |
636 | }; | |
637 | ||
638 | struct snd_rawmidi_status { | |
639 | int stream; | |
640 | struct timespec tstamp; /* Timestamp */ | |
641 | size_t avail; /* available bytes */ | |
642 | size_t xruns; /* count of overruns since last status (in bytes) */ | |
643 | unsigned char reserved[16]; /* reserved for future use */ | |
644 | }; | |
645 | ||
646 | #define SNDRV_RAWMIDI_IOCTL_PVERSION _IOR('W', 0x00, int) | |
647 | #define SNDRV_RAWMIDI_IOCTL_INFO _IOR('W', 0x01, struct snd_rawmidi_info) | |
648 | #define SNDRV_RAWMIDI_IOCTL_PARAMS _IOWR('W', 0x10, struct snd_rawmidi_params) | |
649 | #define SNDRV_RAWMIDI_IOCTL_STATUS _IOWR('W', 0x20, struct snd_rawmidi_status) | |
650 | #define SNDRV_RAWMIDI_IOCTL_DROP _IOW('W', 0x30, int) | |
651 | #define SNDRV_RAWMIDI_IOCTL_DRAIN _IOW('W', 0x31, int) | |
652 | ||
653 | /* | |
654 | * Timer section - /dev/snd/timer | |
655 | */ | |
656 | ||
657 | #define SNDRV_TIMER_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 6) | |
658 | ||
659 | enum { | |
660 | SNDRV_TIMER_CLASS_NONE = -1, | |
661 | SNDRV_TIMER_CLASS_SLAVE = 0, | |
662 | SNDRV_TIMER_CLASS_GLOBAL, | |
663 | SNDRV_TIMER_CLASS_CARD, | |
664 | SNDRV_TIMER_CLASS_PCM, | |
665 | SNDRV_TIMER_CLASS_LAST = SNDRV_TIMER_CLASS_PCM, | |
666 | }; | |
667 | ||
668 | /* slave timer classes */ | |
669 | enum { | |
670 | SNDRV_TIMER_SCLASS_NONE = 0, | |
671 | SNDRV_TIMER_SCLASS_APPLICATION, | |
672 | SNDRV_TIMER_SCLASS_SEQUENCER, /* alias */ | |
673 | SNDRV_TIMER_SCLASS_OSS_SEQUENCER, /* alias */ | |
674 | SNDRV_TIMER_SCLASS_LAST = SNDRV_TIMER_SCLASS_OSS_SEQUENCER, | |
675 | }; | |
676 | ||
677 | /* global timers (device member) */ | |
678 | #define SNDRV_TIMER_GLOBAL_SYSTEM 0 | |
34ce71a9 | 679 | #define SNDRV_TIMER_GLOBAL_RTC 1 /* unused */ |
674e95ca DH |
680 | #define SNDRV_TIMER_GLOBAL_HPET 2 |
681 | #define SNDRV_TIMER_GLOBAL_HRTIMER 3 | |
682 | ||
683 | /* info flags */ | |
684 | #define SNDRV_TIMER_FLG_SLAVE (1<<0) /* cannot be controlled */ | |
685 | ||
686 | struct snd_timer_id { | |
687 | int dev_class; | |
688 | int dev_sclass; | |
689 | int card; | |
690 | int device; | |
691 | int subdevice; | |
692 | }; | |
693 | ||
694 | struct snd_timer_ginfo { | |
695 | struct snd_timer_id tid; /* requested timer ID */ | |
696 | unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ | |
697 | int card; /* card number */ | |
698 | unsigned char id[64]; /* timer identification */ | |
699 | unsigned char name[80]; /* timer name */ | |
700 | unsigned long reserved0; /* reserved for future use */ | |
701 | unsigned long resolution; /* average period resolution in ns */ | |
702 | unsigned long resolution_min; /* minimal period resolution in ns */ | |
703 | unsigned long resolution_max; /* maximal period resolution in ns */ | |
704 | unsigned int clients; /* active timer clients */ | |
705 | unsigned char reserved[32]; | |
706 | }; | |
707 | ||
708 | struct snd_timer_gparams { | |
709 | struct snd_timer_id tid; /* requested timer ID */ | |
710 | unsigned long period_num; /* requested precise period duration (in seconds) - numerator */ | |
711 | unsigned long period_den; /* requested precise period duration (in seconds) - denominator */ | |
712 | unsigned char reserved[32]; | |
713 | }; | |
714 | ||
715 | struct snd_timer_gstatus { | |
716 | struct snd_timer_id tid; /* requested timer ID */ | |
717 | unsigned long resolution; /* current period resolution in ns */ | |
718 | unsigned long resolution_num; /* precise current period resolution (in seconds) - numerator */ | |
719 | unsigned long resolution_den; /* precise current period resolution (in seconds) - denominator */ | |
720 | unsigned char reserved[32]; | |
721 | }; | |
722 | ||
723 | struct snd_timer_select { | |
724 | struct snd_timer_id id; /* bind to timer ID */ | |
725 | unsigned char reserved[32]; /* reserved */ | |
726 | }; | |
727 | ||
728 | struct snd_timer_info { | |
729 | unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ | |
730 | int card; /* card number */ | |
731 | unsigned char id[64]; /* timer identificator */ | |
732 | unsigned char name[80]; /* timer name */ | |
733 | unsigned long reserved0; /* reserved for future use */ | |
734 | unsigned long resolution; /* average period resolution in ns */ | |
735 | unsigned char reserved[64]; /* reserved */ | |
736 | }; | |
737 | ||
738 | #define SNDRV_TIMER_PSFLG_AUTO (1<<0) /* auto start, otherwise one-shot */ | |
739 | #define SNDRV_TIMER_PSFLG_EXCLUSIVE (1<<1) /* exclusive use, precise start/stop/pause/continue */ | |
740 | #define SNDRV_TIMER_PSFLG_EARLY_EVENT (1<<2) /* write early event to the poll queue */ | |
741 | ||
742 | struct snd_timer_params { | |
743 | unsigned int flags; /* flags - SNDRV_MIXER_PSFLG_* */ | |
744 | unsigned int ticks; /* requested resolution in ticks */ | |
745 | unsigned int queue_size; /* total size of queue (32-1024) */ | |
746 | unsigned int reserved0; /* reserved, was: failure locations */ | |
747 | unsigned int filter; /* event filter (bitmask of SNDRV_TIMER_EVENT_*) */ | |
748 | unsigned char reserved[60]; /* reserved */ | |
749 | }; | |
750 | ||
751 | struct snd_timer_status { | |
752 | struct timespec tstamp; /* Timestamp - last update */ | |
753 | unsigned int resolution; /* current period resolution in ns */ | |
754 | unsigned int lost; /* counter of master tick lost */ | |
755 | unsigned int overrun; /* count of read queue overruns */ | |
756 | unsigned int queue; /* used queue size */ | |
757 | unsigned char reserved[64]; /* reserved */ | |
758 | }; | |
759 | ||
760 | #define SNDRV_TIMER_IOCTL_PVERSION _IOR('T', 0x00, int) | |
761 | #define SNDRV_TIMER_IOCTL_NEXT_DEVICE _IOWR('T', 0x01, struct snd_timer_id) | |
762 | #define SNDRV_TIMER_IOCTL_TREAD _IOW('T', 0x02, int) | |
763 | #define SNDRV_TIMER_IOCTL_GINFO _IOWR('T', 0x03, struct snd_timer_ginfo) | |
764 | #define SNDRV_TIMER_IOCTL_GPARAMS _IOW('T', 0x04, struct snd_timer_gparams) | |
765 | #define SNDRV_TIMER_IOCTL_GSTATUS _IOWR('T', 0x05, struct snd_timer_gstatus) | |
766 | #define SNDRV_TIMER_IOCTL_SELECT _IOW('T', 0x10, struct snd_timer_select) | |
767 | #define SNDRV_TIMER_IOCTL_INFO _IOR('T', 0x11, struct snd_timer_info) | |
768 | #define SNDRV_TIMER_IOCTL_PARAMS _IOW('T', 0x12, struct snd_timer_params) | |
769 | #define SNDRV_TIMER_IOCTL_STATUS _IOR('T', 0x14, struct snd_timer_status) | |
770 | /* The following four ioctls are changed since 1.0.9 due to confliction */ | |
771 | #define SNDRV_TIMER_IOCTL_START _IO('T', 0xa0) | |
772 | #define SNDRV_TIMER_IOCTL_STOP _IO('T', 0xa1) | |
773 | #define SNDRV_TIMER_IOCTL_CONTINUE _IO('T', 0xa2) | |
774 | #define SNDRV_TIMER_IOCTL_PAUSE _IO('T', 0xa3) | |
775 | ||
776 | struct snd_timer_read { | |
777 | unsigned int resolution; | |
778 | unsigned int ticks; | |
779 | }; | |
780 | ||
781 | enum { | |
782 | SNDRV_TIMER_EVENT_RESOLUTION = 0, /* val = resolution in ns */ | |
783 | SNDRV_TIMER_EVENT_TICK, /* val = ticks */ | |
784 | SNDRV_TIMER_EVENT_START, /* val = resolution in ns */ | |
785 | SNDRV_TIMER_EVENT_STOP, /* val = 0 */ | |
786 | SNDRV_TIMER_EVENT_CONTINUE, /* val = resolution in ns */ | |
787 | SNDRV_TIMER_EVENT_PAUSE, /* val = 0 */ | |
788 | SNDRV_TIMER_EVENT_EARLY, /* val = 0, early event */ | |
789 | SNDRV_TIMER_EVENT_SUSPEND, /* val = 0 */ | |
790 | SNDRV_TIMER_EVENT_RESUME, /* val = resolution in ns */ | |
791 | /* master timer events for slave timer instances */ | |
792 | SNDRV_TIMER_EVENT_MSTART = SNDRV_TIMER_EVENT_START + 10, | |
793 | SNDRV_TIMER_EVENT_MSTOP = SNDRV_TIMER_EVENT_STOP + 10, | |
794 | SNDRV_TIMER_EVENT_MCONTINUE = SNDRV_TIMER_EVENT_CONTINUE + 10, | |
795 | SNDRV_TIMER_EVENT_MPAUSE = SNDRV_TIMER_EVENT_PAUSE + 10, | |
796 | SNDRV_TIMER_EVENT_MSUSPEND = SNDRV_TIMER_EVENT_SUSPEND + 10, | |
797 | SNDRV_TIMER_EVENT_MRESUME = SNDRV_TIMER_EVENT_RESUME + 10, | |
798 | }; | |
799 | ||
800 | struct snd_timer_tread { | |
801 | int event; | |
802 | struct timespec tstamp; | |
803 | unsigned int val; | |
804 | }; | |
805 | ||
806 | /**************************************************************************** | |
807 | * * | |
808 | * Section for driver control interface - /dev/snd/control? * | |
809 | * * | |
810 | ****************************************************************************/ | |
811 | ||
812 | #define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 7) | |
813 | ||
814 | struct snd_ctl_card_info { | |
815 | int card; /* card number */ | |
816 | int pad; /* reserved for future (was type) */ | |
817 | unsigned char id[16]; /* ID of card (user selectable) */ | |
818 | unsigned char driver[16]; /* Driver name */ | |
819 | unsigned char name[32]; /* Short name of soundcard */ | |
820 | unsigned char longname[80]; /* name + info text about soundcard */ | |
821 | unsigned char reserved_[16]; /* reserved for future (was ID of mixer) */ | |
822 | unsigned char mixername[80]; /* visual mixer identification */ | |
823 | unsigned char components[128]; /* card components / fine identification, delimited with one space (AC97 etc..) */ | |
824 | }; | |
825 | ||
826 | typedef int __bitwise snd_ctl_elem_type_t; | |
827 | #define SNDRV_CTL_ELEM_TYPE_NONE ((__force snd_ctl_elem_type_t) 0) /* invalid */ | |
828 | #define SNDRV_CTL_ELEM_TYPE_BOOLEAN ((__force snd_ctl_elem_type_t) 1) /* boolean type */ | |
829 | #define SNDRV_CTL_ELEM_TYPE_INTEGER ((__force snd_ctl_elem_type_t) 2) /* integer type */ | |
830 | #define SNDRV_CTL_ELEM_TYPE_ENUMERATED ((__force snd_ctl_elem_type_t) 3) /* enumerated type */ | |
831 | #define SNDRV_CTL_ELEM_TYPE_BYTES ((__force snd_ctl_elem_type_t) 4) /* byte array */ | |
832 | #define SNDRV_CTL_ELEM_TYPE_IEC958 ((__force snd_ctl_elem_type_t) 5) /* IEC958 (S/PDIF) setup */ | |
833 | #define SNDRV_CTL_ELEM_TYPE_INTEGER64 ((__force snd_ctl_elem_type_t) 6) /* 64-bit integer type */ | |
834 | #define SNDRV_CTL_ELEM_TYPE_LAST SNDRV_CTL_ELEM_TYPE_INTEGER64 | |
835 | ||
836 | typedef int __bitwise snd_ctl_elem_iface_t; | |
837 | #define SNDRV_CTL_ELEM_IFACE_CARD ((__force snd_ctl_elem_iface_t) 0) /* global control */ | |
838 | #define SNDRV_CTL_ELEM_IFACE_HWDEP ((__force snd_ctl_elem_iface_t) 1) /* hardware dependent device */ | |
839 | #define SNDRV_CTL_ELEM_IFACE_MIXER ((__force snd_ctl_elem_iface_t) 2) /* virtual mixer device */ | |
840 | #define SNDRV_CTL_ELEM_IFACE_PCM ((__force snd_ctl_elem_iface_t) 3) /* PCM device */ | |
841 | #define SNDRV_CTL_ELEM_IFACE_RAWMIDI ((__force snd_ctl_elem_iface_t) 4) /* RawMidi device */ | |
842 | #define SNDRV_CTL_ELEM_IFACE_TIMER ((__force snd_ctl_elem_iface_t) 5) /* timer device */ | |
843 | #define SNDRV_CTL_ELEM_IFACE_SEQUENCER ((__force snd_ctl_elem_iface_t) 6) /* sequencer client */ | |
844 | #define SNDRV_CTL_ELEM_IFACE_LAST SNDRV_CTL_ELEM_IFACE_SEQUENCER | |
845 | ||
846 | #define SNDRV_CTL_ELEM_ACCESS_READ (1<<0) | |
847 | #define SNDRV_CTL_ELEM_ACCESS_WRITE (1<<1) | |
848 | #define SNDRV_CTL_ELEM_ACCESS_READWRITE (SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE) | |
849 | #define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1<<2) /* control value may be changed without a notification */ | |
850 | #define SNDRV_CTL_ELEM_ACCESS_TIMESTAMP (1<<3) /* when was control changed */ | |
851 | #define SNDRV_CTL_ELEM_ACCESS_TLV_READ (1<<4) /* TLV read is possible */ | |
852 | #define SNDRV_CTL_ELEM_ACCESS_TLV_WRITE (1<<5) /* TLV write is possible */ | |
853 | #define SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE (SNDRV_CTL_ELEM_ACCESS_TLV_READ|SNDRV_CTL_ELEM_ACCESS_TLV_WRITE) | |
854 | #define SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND (1<<6) /* TLV command is possible */ | |
855 | #define SNDRV_CTL_ELEM_ACCESS_INACTIVE (1<<8) /* control does actually nothing, but may be updated */ | |
856 | #define SNDRV_CTL_ELEM_ACCESS_LOCK (1<<9) /* write lock */ | |
857 | #define SNDRV_CTL_ELEM_ACCESS_OWNER (1<<10) /* write lock owner */ | |
858 | #define SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK (1<<28) /* kernel use a TLV callback */ | |
859 | #define SNDRV_CTL_ELEM_ACCESS_USER (1<<29) /* user space element */ | |
860 | /* bits 30 and 31 are obsoleted (for indirect access) */ | |
861 | ||
862 | /* for further details see the ACPI and PCI power management specification */ | |
863 | #define SNDRV_CTL_POWER_D0 0x0000 /* full On */ | |
864 | #define SNDRV_CTL_POWER_D1 0x0100 /* partial On */ | |
865 | #define SNDRV_CTL_POWER_D2 0x0200 /* partial On */ | |
866 | #define SNDRV_CTL_POWER_D3 0x0300 /* Off */ | |
867 | #define SNDRV_CTL_POWER_D3hot (SNDRV_CTL_POWER_D3|0x0000) /* Off, with power */ | |
868 | #define SNDRV_CTL_POWER_D3cold (SNDRV_CTL_POWER_D3|0x0001) /* Off, without power */ | |
869 | ||
975cc02a TI |
870 | #define SNDRV_CTL_ELEM_ID_NAME_MAXLEN 44 |
871 | ||
674e95ca DH |
872 | struct snd_ctl_elem_id { |
873 | unsigned int numid; /* numeric identifier, zero = invalid */ | |
874 | snd_ctl_elem_iface_t iface; /* interface identifier */ | |
875 | unsigned int device; /* device/client number */ | |
876 | unsigned int subdevice; /* subdevice (substream) number */ | |
43c499dc | 877 | unsigned char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* ASCII name of item */ |
674e95ca DH |
878 | unsigned int index; /* index of item */ |
879 | }; | |
880 | ||
881 | struct snd_ctl_elem_list { | |
882 | unsigned int offset; /* W: first element ID to get */ | |
883 | unsigned int space; /* W: count of element IDs to get */ | |
884 | unsigned int used; /* R: count of element IDs set */ | |
885 | unsigned int count; /* R: count of all elements */ | |
886 | struct snd_ctl_elem_id __user *pids; /* R: IDs */ | |
887 | unsigned char reserved[50]; | |
888 | }; | |
889 | ||
890 | struct snd_ctl_elem_info { | |
891 | struct snd_ctl_elem_id id; /* W: element ID */ | |
892 | snd_ctl_elem_type_t type; /* R: value type - SNDRV_CTL_ELEM_TYPE_* */ | |
893 | unsigned int access; /* R: value access (bitmask) - SNDRV_CTL_ELEM_ACCESS_* */ | |
894 | unsigned int count; /* count of values */ | |
895 | __kernel_pid_t owner; /* owner's PID of this control */ | |
896 | union { | |
897 | struct { | |
898 | long min; /* R: minimum value */ | |
899 | long max; /* R: maximum value */ | |
900 | long step; /* R: step (0 variable) */ | |
901 | } integer; | |
902 | struct { | |
903 | long long min; /* R: minimum value */ | |
904 | long long max; /* R: maximum value */ | |
905 | long long step; /* R: step (0 variable) */ | |
906 | } integer64; | |
907 | struct { | |
908 | unsigned int items; /* R: number of items */ | |
909 | unsigned int item; /* W: item number */ | |
910 | char name[64]; /* R: value name */ | |
911 | __u64 names_ptr; /* W: names list (ELEM_ADD only) */ | |
912 | unsigned int names_length; | |
913 | } enumerated; | |
914 | unsigned char reserved[128]; | |
915 | } value; | |
916 | union { | |
917 | unsigned short d[4]; /* dimensions */ | |
918 | unsigned short *d_ptr; /* indirect - obsoleted */ | |
919 | } dimen; | |
920 | unsigned char reserved[64-4*sizeof(unsigned short)]; | |
921 | }; | |
922 | ||
923 | struct snd_ctl_elem_value { | |
924 | struct snd_ctl_elem_id id; /* W: element ID */ | |
925 | unsigned int indirect: 1; /* W: indirect access - obsoleted */ | |
926 | union { | |
927 | union { | |
928 | long value[128]; | |
929 | long *value_ptr; /* obsoleted */ | |
930 | } integer; | |
931 | union { | |
932 | long long value[64]; | |
933 | long long *value_ptr; /* obsoleted */ | |
934 | } integer64; | |
935 | union { | |
936 | unsigned int item[128]; | |
937 | unsigned int *item_ptr; /* obsoleted */ | |
938 | } enumerated; | |
939 | union { | |
940 | unsigned char data[512]; | |
941 | unsigned char *data_ptr; /* obsoleted */ | |
942 | } bytes; | |
943 | struct snd_aes_iec958 iec958; | |
944 | } value; /* RO */ | |
945 | struct timespec tstamp; | |
946 | unsigned char reserved[128-sizeof(struct timespec)]; | |
947 | }; | |
948 | ||
949 | struct snd_ctl_tlv { | |
950 | unsigned int numid; /* control element numeric identification */ | |
951 | unsigned int length; /* in bytes aligned to 4 */ | |
952 | unsigned int tlv[0]; /* first TLV */ | |
953 | }; | |
954 | ||
955 | #define SNDRV_CTL_IOCTL_PVERSION _IOR('U', 0x00, int) | |
956 | #define SNDRV_CTL_IOCTL_CARD_INFO _IOR('U', 0x01, struct snd_ctl_card_info) | |
957 | #define SNDRV_CTL_IOCTL_ELEM_LIST _IOWR('U', 0x10, struct snd_ctl_elem_list) | |
958 | #define SNDRV_CTL_IOCTL_ELEM_INFO _IOWR('U', 0x11, struct snd_ctl_elem_info) | |
959 | #define SNDRV_CTL_IOCTL_ELEM_READ _IOWR('U', 0x12, struct snd_ctl_elem_value) | |
960 | #define SNDRV_CTL_IOCTL_ELEM_WRITE _IOWR('U', 0x13, struct snd_ctl_elem_value) | |
961 | #define SNDRV_CTL_IOCTL_ELEM_LOCK _IOW('U', 0x14, struct snd_ctl_elem_id) | |
962 | #define SNDRV_CTL_IOCTL_ELEM_UNLOCK _IOW('U', 0x15, struct snd_ctl_elem_id) | |
963 | #define SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS _IOWR('U', 0x16, int) | |
964 | #define SNDRV_CTL_IOCTL_ELEM_ADD _IOWR('U', 0x17, struct snd_ctl_elem_info) | |
965 | #define SNDRV_CTL_IOCTL_ELEM_REPLACE _IOWR('U', 0x18, struct snd_ctl_elem_info) | |
966 | #define SNDRV_CTL_IOCTL_ELEM_REMOVE _IOWR('U', 0x19, struct snd_ctl_elem_id) | |
967 | #define SNDRV_CTL_IOCTL_TLV_READ _IOWR('U', 0x1a, struct snd_ctl_tlv) | |
968 | #define SNDRV_CTL_IOCTL_TLV_WRITE _IOWR('U', 0x1b, struct snd_ctl_tlv) | |
969 | #define SNDRV_CTL_IOCTL_TLV_COMMAND _IOWR('U', 0x1c, struct snd_ctl_tlv) | |
970 | #define SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE _IOWR('U', 0x20, int) | |
971 | #define SNDRV_CTL_IOCTL_HWDEP_INFO _IOR('U', 0x21, struct snd_hwdep_info) | |
972 | #define SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE _IOR('U', 0x30, int) | |
973 | #define SNDRV_CTL_IOCTL_PCM_INFO _IOWR('U', 0x31, struct snd_pcm_info) | |
974 | #define SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE _IOW('U', 0x32, int) | |
975 | #define SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE _IOWR('U', 0x40, int) | |
976 | #define SNDRV_CTL_IOCTL_RAWMIDI_INFO _IOWR('U', 0x41, struct snd_rawmidi_info) | |
977 | #define SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE _IOW('U', 0x42, int) | |
978 | #define SNDRV_CTL_IOCTL_POWER _IOWR('U', 0xd0, int) | |
979 | #define SNDRV_CTL_IOCTL_POWER_STATE _IOR('U', 0xd1, int) | |
980 | ||
981 | /* | |
982 | * Read interface. | |
983 | */ | |
984 | ||
985 | enum sndrv_ctl_event_type { | |
986 | SNDRV_CTL_EVENT_ELEM = 0, | |
987 | SNDRV_CTL_EVENT_LAST = SNDRV_CTL_EVENT_ELEM, | |
988 | }; | |
989 | ||
990 | #define SNDRV_CTL_EVENT_MASK_VALUE (1<<0) /* element value was changed */ | |
991 | #define SNDRV_CTL_EVENT_MASK_INFO (1<<1) /* element info was changed */ | |
992 | #define SNDRV_CTL_EVENT_MASK_ADD (1<<2) /* element was added */ | |
993 | #define SNDRV_CTL_EVENT_MASK_TLV (1<<3) /* element TLV tree was changed */ | |
994 | #define SNDRV_CTL_EVENT_MASK_REMOVE (~0U) /* element was removed */ | |
995 | ||
996 | struct snd_ctl_event { | |
997 | int type; /* event type - SNDRV_CTL_EVENT_* */ | |
998 | union { | |
999 | struct { | |
1000 | unsigned int mask; | |
1001 | struct snd_ctl_elem_id id; | |
1002 | } elem; | |
1003 | unsigned char data8[60]; | |
1004 | } data; | |
1005 | }; | |
1006 | ||
1007 | /* | |
1008 | * Control names | |
1009 | */ | |
1010 | ||
1011 | #define SNDRV_CTL_NAME_NONE "" | |
1012 | #define SNDRV_CTL_NAME_PLAYBACK "Playback " | |
1013 | #define SNDRV_CTL_NAME_CAPTURE "Capture " | |
1014 | ||
1015 | #define SNDRV_CTL_NAME_IEC958_NONE "" | |
1016 | #define SNDRV_CTL_NAME_IEC958_SWITCH "Switch" | |
1017 | #define SNDRV_CTL_NAME_IEC958_VOLUME "Volume" | |
1018 | #define SNDRV_CTL_NAME_IEC958_DEFAULT "Default" | |
1019 | #define SNDRV_CTL_NAME_IEC958_MASK "Mask" | |
1020 | #define SNDRV_CTL_NAME_IEC958_CON_MASK "Con Mask" | |
1021 | #define SNDRV_CTL_NAME_IEC958_PRO_MASK "Pro Mask" | |
1022 | #define SNDRV_CTL_NAME_IEC958_PCM_STREAM "PCM Stream" | |
1023 | #define SNDRV_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SNDRV_CTL_NAME_##direction SNDRV_CTL_NAME_IEC958_##what | |
1024 | ||
1025 | #endif /* _UAPI__SOUND_ASOUND_H */ |