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Linux 4.8.3
[linux/fpc-iii.git] / include / uapi / sound / asound.h
blob609cadb8739dbd143b6136d26cb7af2d7a0fc08a
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
26 #if defined(__KERNEL__) || defined(__linux__)
27 #include <linux/types.h>
28 #else
29 #include <sys/ioctl.h>
30 #endif
31
32 #ifndef __KERNEL__
33 #include <stdlib.h>
34 #endif
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 */
103 SNDRV_HWDEP_IFACE_FW_DICE, /* TC DICE FireWire device */
104 SNDRV_HWDEP_IFACE_FW_FIREWORKS, /* Echo Audio Fireworks based device */
105 SNDRV_HWDEP_IFACE_FW_BEBOB, /* BridgeCo BeBoB based device */
106 SNDRV_HWDEP_IFACE_FW_OXFW, /* Oxford OXFW970/971 based device */
107 SNDRV_HWDEP_IFACE_FW_DIGI00X, /* Digidesign Digi 002/003 family */
108 SNDRV_HWDEP_IFACE_FW_TASCAM, /* TASCAM FireWire series */
109
110 /* Don't forget to change the following: */
111 SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_FW_TASCAM
112 };
113
114 struct snd_hwdep_info {
115 unsigned int device; /* WR: device number */
116 int card; /* R: card number */
117 unsigned char id[64]; /* ID (user selectable) */
118 unsigned char name[80]; /* hwdep name */
119 int iface; /* hwdep interface */
120 unsigned char reserved[64]; /* reserved for future */
121 };
122
123 /* generic DSP loader */
124 struct snd_hwdep_dsp_status {
125 unsigned int version; /* R: driver-specific version */
126 unsigned char id[32]; /* R: driver-specific ID string */
127 unsigned int num_dsps; /* R: number of DSP images to transfer */
128 unsigned int dsp_loaded; /* R: bit flags indicating the loaded DSPs */
129 unsigned int chip_ready; /* R: 1 = initialization finished */
130 unsigned char reserved[16]; /* reserved for future use */
131 };
132
133 struct snd_hwdep_dsp_image {
134 unsigned int index; /* W: DSP index */
135 unsigned char name[64]; /* W: ID (e.g. file name) */
136 unsigned char __user *image; /* W: binary image */
137 size_t length; /* W: size of image in bytes */
138 unsigned long driver_data; /* W: driver-specific data */
139 };
140
141 #define SNDRV_HWDEP_IOCTL_PVERSION _IOR ('H', 0x00, int)
142 #define SNDRV_HWDEP_IOCTL_INFO _IOR ('H', 0x01, struct snd_hwdep_info)
143 #define SNDRV_HWDEP_IOCTL_DSP_STATUS _IOR('H', 0x02, struct snd_hwdep_dsp_status)
144 #define SNDRV_HWDEP_IOCTL_DSP_LOAD _IOW('H', 0x03, struct snd_hwdep_dsp_image)
145
146 /*****************************************************************************
147 * *
148 * Digital Audio (PCM) interface - /dev/snd/pcm?? *
149 * *
150 *****************************************************************************/
151
152 #define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 13)
153
154 typedef unsigned long snd_pcm_uframes_t;
155 typedef signed long snd_pcm_sframes_t;
156
157 enum {
158 SNDRV_PCM_CLASS_GENERIC = 0, /* standard mono or stereo device */
159 SNDRV_PCM_CLASS_MULTI, /* multichannel device */
160 SNDRV_PCM_CLASS_MODEM, /* software modem class */
161 SNDRV_PCM_CLASS_DIGITIZER, /* digitizer class */
162 /* Don't forget to change the following: */
163 SNDRV_PCM_CLASS_LAST = SNDRV_PCM_CLASS_DIGITIZER,
164 };
165
166 enum {
167 SNDRV_PCM_SUBCLASS_GENERIC_MIX = 0, /* mono or stereo subdevices are mixed together */
168 SNDRV_PCM_SUBCLASS_MULTI_MIX, /* multichannel subdevices are mixed together */
169 /* Don't forget to change the following: */
170 SNDRV_PCM_SUBCLASS_LAST = SNDRV_PCM_SUBCLASS_MULTI_MIX,
171 };
172
173 enum {
174 SNDRV_PCM_STREAM_PLAYBACK = 0,
175 SNDRV_PCM_STREAM_CAPTURE,
176 SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE,
177 };
178
179 typedef int __bitwise snd_pcm_access_t;
180 #define SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ((__force snd_pcm_access_t) 0) /* interleaved mmap */
181 #define SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ((__force snd_pcm_access_t) 1) /* noninterleaved mmap */
182 #define SNDRV_PCM_ACCESS_MMAP_COMPLEX ((__force snd_pcm_access_t) 2) /* complex mmap */
183 #define SNDRV_PCM_ACCESS_RW_INTERLEAVED ((__force snd_pcm_access_t) 3) /* readi/writei */
184 #define SNDRV_PCM_ACCESS_RW_NONINTERLEAVED ((__force snd_pcm_access_t) 4) /* readn/writen */
185 #define SNDRV_PCM_ACCESS_LAST SNDRV_PCM_ACCESS_RW_NONINTERLEAVED
186
187 typedef int __bitwise snd_pcm_format_t;
188 #define SNDRV_PCM_FORMAT_S8 ((__force snd_pcm_format_t) 0)
189 #define SNDRV_PCM_FORMAT_U8 ((__force snd_pcm_format_t) 1)
190 #define SNDRV_PCM_FORMAT_S16_LE ((__force snd_pcm_format_t) 2)
191 #define SNDRV_PCM_FORMAT_S16_BE ((__force snd_pcm_format_t) 3)
192 #define SNDRV_PCM_FORMAT_U16_LE ((__force snd_pcm_format_t) 4)
193 #define SNDRV_PCM_FORMAT_U16_BE ((__force snd_pcm_format_t) 5)
194 #define SNDRV_PCM_FORMAT_S24_LE ((__force snd_pcm_format_t) 6) /* low three bytes */
195 #define SNDRV_PCM_FORMAT_S24_BE ((__force snd_pcm_format_t) 7) /* low three bytes */
196 #define SNDRV_PCM_FORMAT_U24_LE ((__force snd_pcm_format_t) 8) /* low three bytes */
197 #define SNDRV_PCM_FORMAT_U24_BE ((__force snd_pcm_format_t) 9) /* low three bytes */
198 #define SNDRV_PCM_FORMAT_S32_LE ((__force snd_pcm_format_t) 10)
199 #define SNDRV_PCM_FORMAT_S32_BE ((__force snd_pcm_format_t) 11)
200 #define SNDRV_PCM_FORMAT_U32_LE ((__force snd_pcm_format_t) 12)
201 #define SNDRV_PCM_FORMAT_U32_BE ((__force snd_pcm_format_t) 13)
202 #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 */
203 #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 */
204 #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 */
205 #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 */
206 #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE ((__force snd_pcm_format_t) 18) /* IEC-958 subframe, Little Endian */
207 #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE ((__force snd_pcm_format_t) 19) /* IEC-958 subframe, Big Endian */
208 #define SNDRV_PCM_FORMAT_MU_LAW ((__force snd_pcm_format_t) 20)
209 #define SNDRV_PCM_FORMAT_A_LAW ((__force snd_pcm_format_t) 21)
210 #define SNDRV_PCM_FORMAT_IMA_ADPCM ((__force snd_pcm_format_t) 22)
211 #define SNDRV_PCM_FORMAT_MPEG ((__force snd_pcm_format_t) 23)
212 #define SNDRV_PCM_FORMAT_GSM ((__force snd_pcm_format_t) 24)
213 #define SNDRV_PCM_FORMAT_SPECIAL ((__force snd_pcm_format_t) 31)
214 #define SNDRV_PCM_FORMAT_S24_3LE ((__force snd_pcm_format_t) 32) /* in three bytes */
215 #define SNDRV_PCM_FORMAT_S24_3BE ((__force snd_pcm_format_t) 33) /* in three bytes */
216 #define SNDRV_PCM_FORMAT_U24_3LE ((__force snd_pcm_format_t) 34) /* in three bytes */
217 #define SNDRV_PCM_FORMAT_U24_3BE ((__force snd_pcm_format_t) 35) /* in three bytes */
218 #define SNDRV_PCM_FORMAT_S20_3LE ((__force snd_pcm_format_t) 36) /* in three bytes */
219 #define SNDRV_PCM_FORMAT_S20_3BE ((__force snd_pcm_format_t) 37) /* in three bytes */
220 #define SNDRV_PCM_FORMAT_U20_3LE ((__force snd_pcm_format_t) 38) /* in three bytes */
221 #define SNDRV_PCM_FORMAT_U20_3BE ((__force snd_pcm_format_t) 39) /* in three bytes */
222 #define SNDRV_PCM_FORMAT_S18_3LE ((__force snd_pcm_format_t) 40) /* in three bytes */
223 #define SNDRV_PCM_FORMAT_S18_3BE ((__force snd_pcm_format_t) 41) /* in three bytes */
224 #define SNDRV_PCM_FORMAT_U18_3LE ((__force snd_pcm_format_t) 42) /* in three bytes */
225 #define SNDRV_PCM_FORMAT_U18_3BE ((__force snd_pcm_format_t) 43) /* in three bytes */
226 #define SNDRV_PCM_FORMAT_G723_24 ((__force snd_pcm_format_t) 44) /* 8 samples in 3 bytes */
227 #define SNDRV_PCM_FORMAT_G723_24_1B ((__force snd_pcm_format_t) 45) /* 1 sample in 1 byte */
228 #define SNDRV_PCM_FORMAT_G723_40 ((__force snd_pcm_format_t) 46) /* 8 Samples in 5 bytes */
229 #define SNDRV_PCM_FORMAT_G723_40_1B ((__force snd_pcm_format_t) 47) /* 1 sample in 1 byte */
230 #define SNDRV_PCM_FORMAT_DSD_U8 ((__force snd_pcm_format_t) 48) /* DSD, 1-byte samples DSD (x8) */
231 #define SNDRV_PCM_FORMAT_DSD_U16_LE ((__force snd_pcm_format_t) 49) /* DSD, 2-byte samples DSD (x16), little endian */
232 #define SNDRV_PCM_FORMAT_DSD_U32_LE ((__force snd_pcm_format_t) 50) /* DSD, 4-byte samples DSD (x32), little endian */
233 #define SNDRV_PCM_FORMAT_DSD_U16_BE ((__force snd_pcm_format_t) 51) /* DSD, 2-byte samples DSD (x16), big endian */
234 #define SNDRV_PCM_FORMAT_DSD_U32_BE ((__force snd_pcm_format_t) 52) /* DSD, 4-byte samples DSD (x32), big endian */
235 #define SNDRV_PCM_FORMAT_LAST SNDRV_PCM_FORMAT_DSD_U32_BE
236
237 #ifdef SNDRV_LITTLE_ENDIAN
238 #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_LE
239 #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_LE
240 #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_LE
241 #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_LE
242 #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_LE
243 #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_LE
244 #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_LE
245 #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_LE
246 #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE
247 #endif
248 #ifdef SNDRV_BIG_ENDIAN
249 #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_BE
250 #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_BE
251 #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_BE
252 #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_BE
253 #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_BE
254 #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_BE
255 #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_BE
256 #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_BE
257 #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE
258 #endif
259
260 typedef int __bitwise snd_pcm_subformat_t;
261 #define SNDRV_PCM_SUBFORMAT_STD ((__force snd_pcm_subformat_t) 0)
262 #define SNDRV_PCM_SUBFORMAT_LAST SNDRV_PCM_SUBFORMAT_STD
263
264 #define SNDRV_PCM_INFO_MMAP 0x00000001 /* hardware supports mmap */
265 #define SNDRV_PCM_INFO_MMAP_VALID 0x00000002 /* period data are valid during transfer */
266 #define SNDRV_PCM_INFO_DOUBLE 0x00000004 /* Double buffering needed for PCM start/stop */
267 #define SNDRV_PCM_INFO_BATCH 0x00000010 /* double buffering */
268 #define SNDRV_PCM_INFO_INTERLEAVED 0x00000100 /* channels are interleaved */
269 #define SNDRV_PCM_INFO_NONINTERLEAVED 0x00000200 /* channels are not interleaved */
270 #define SNDRV_PCM_INFO_COMPLEX 0x00000400 /* complex frame organization (mmap only) */
271 #define SNDRV_PCM_INFO_BLOCK_TRANSFER 0x00010000 /* hardware transfer block of samples */
272 #define SNDRV_PCM_INFO_OVERRANGE 0x00020000 /* hardware supports ADC (capture) overrange detection */
273 #define SNDRV_PCM_INFO_RESUME 0x00040000 /* hardware supports stream resume after suspend */
274 #define SNDRV_PCM_INFO_PAUSE 0x00080000 /* pause ioctl is supported */
275 #define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000 /* only half duplex */
276 #define SNDRV_PCM_INFO_JOINT_DUPLEX 0x00200000 /* playback and capture stream are somewhat correlated */
277 #define SNDRV_PCM_INFO_SYNC_START 0x00400000 /* pcm support some kind of sync go */
278 #define SNDRV_PCM_INFO_NO_PERIOD_WAKEUP 0x00800000 /* period wakeup can be disabled */
279 #define SNDRV_PCM_INFO_HAS_WALL_CLOCK 0x01000000 /* (Deprecated)has audio wall clock for audio/system time sync */
280 #define SNDRV_PCM_INFO_HAS_LINK_ATIME 0x01000000 /* report hardware link audio time, reset on startup */
281 #define SNDRV_PCM_INFO_HAS_LINK_ABSOLUTE_ATIME 0x02000000 /* report absolute hardware link audio time, not reset on startup */
282 #define SNDRV_PCM_INFO_HAS_LINK_ESTIMATED_ATIME 0x04000000 /* report estimated link audio time */
283 #define SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME 0x08000000 /* report synchronized audio/system time */
284
285 #define SNDRV_PCM_INFO_DRAIN_TRIGGER 0x40000000 /* internal kernel flag - trigger in drain */
286 #define SNDRV_PCM_INFO_FIFO_IN_FRAMES 0x80000000 /* internal kernel flag - FIFO size is in frames */
287
288
289
290 typedef int __bitwise snd_pcm_state_t;
291 #define SNDRV_PCM_STATE_OPEN ((__force snd_pcm_state_t) 0) /* stream is open */
292 #define SNDRV_PCM_STATE_SETUP ((__force snd_pcm_state_t) 1) /* stream has a setup */
293 #define SNDRV_PCM_STATE_PREPARED ((__force snd_pcm_state_t) 2) /* stream is ready to start */
294 #define SNDRV_PCM_STATE_RUNNING ((__force snd_pcm_state_t) 3) /* stream is running */
295 #define SNDRV_PCM_STATE_XRUN ((__force snd_pcm_state_t) 4) /* stream reached an xrun */
296 #define SNDRV_PCM_STATE_DRAINING ((__force snd_pcm_state_t) 5) /* stream is draining */
297 #define SNDRV_PCM_STATE_PAUSED ((__force snd_pcm_state_t) 6) /* stream is paused */
298 #define SNDRV_PCM_STATE_SUSPENDED ((__force snd_pcm_state_t) 7) /* hardware is suspended */
299 #define SNDRV_PCM_STATE_DISCONNECTED ((__force snd_pcm_state_t) 8) /* hardware is disconnected */
300 #define SNDRV_PCM_STATE_LAST SNDRV_PCM_STATE_DISCONNECTED
301
302 enum {
303 SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000,
304 SNDRV_PCM_MMAP_OFFSET_STATUS = 0x80000000,
305 SNDRV_PCM_MMAP_OFFSET_CONTROL = 0x81000000,
306 };
307
308 union snd_pcm_sync_id {
309 unsigned char id[16];
310 unsigned short id16[8];
311 unsigned int id32[4];
312 };
313
314 struct snd_pcm_info {
315 unsigned int device; /* RO/WR (control): device number */
316 unsigned int subdevice; /* RO/WR (control): subdevice number */
317 int stream; /* RO/WR (control): stream direction */
318 int card; /* R: card number */
319 unsigned char id[64]; /* ID (user selectable) */
320 unsigned char name[80]; /* name of this device */
321 unsigned char subname[32]; /* subdevice name */
322 int dev_class; /* SNDRV_PCM_CLASS_* */
323 int dev_subclass; /* SNDRV_PCM_SUBCLASS_* */
324 unsigned int subdevices_count;
325 unsigned int subdevices_avail;
326 union snd_pcm_sync_id sync; /* hardware synchronization ID */
327 unsigned char reserved[64]; /* reserved for future... */
328 };
329
330 typedef int snd_pcm_hw_param_t;
331 #define SNDRV_PCM_HW_PARAM_ACCESS 0 /* Access type */
332 #define SNDRV_PCM_HW_PARAM_FORMAT 1 /* Format */
333 #define SNDRV_PCM_HW_PARAM_SUBFORMAT 2 /* Subformat */
334 #define SNDRV_PCM_HW_PARAM_FIRST_MASK SNDRV_PCM_HW_PARAM_ACCESS
335 #define SNDRV_PCM_HW_PARAM_LAST_MASK SNDRV_PCM_HW_PARAM_SUBFORMAT
336
337 #define SNDRV_PCM_HW_PARAM_SAMPLE_BITS 8 /* Bits per sample */
338 #define SNDRV_PCM_HW_PARAM_FRAME_BITS 9 /* Bits per frame */
339 #define SNDRV_PCM_HW_PARAM_CHANNELS 10 /* Channels */
340 #define SNDRV_PCM_HW_PARAM_RATE 11 /* Approx rate */
341 #define SNDRV_PCM_HW_PARAM_PERIOD_TIME 12 /* Approx distance between
342 * interrupts in us
343 */
344 #define SNDRV_PCM_HW_PARAM_PERIOD_SIZE 13 /* Approx frames between
345 * interrupts
346 */
347 #define SNDRV_PCM_HW_PARAM_PERIOD_BYTES 14 /* Approx bytes between
348 * interrupts
349 */
350 #define SNDRV_PCM_HW_PARAM_PERIODS 15 /* Approx interrupts per
351 * buffer
352 */
353 #define SNDRV_PCM_HW_PARAM_BUFFER_TIME 16 /* Approx duration of buffer
354 * in us
355 */
356 #define SNDRV_PCM_HW_PARAM_BUFFER_SIZE 17 /* Size of buffer in frames */
357 #define SNDRV_PCM_HW_PARAM_BUFFER_BYTES 18 /* Size of buffer in bytes */
358 #define SNDRV_PCM_HW_PARAM_TICK_TIME 19 /* Approx tick duration in us */
359 #define SNDRV_PCM_HW_PARAM_FIRST_INTERVAL SNDRV_PCM_HW_PARAM_SAMPLE_BITS
360 #define SNDRV_PCM_HW_PARAM_LAST_INTERVAL SNDRV_PCM_HW_PARAM_TICK_TIME
361
362 #define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1<<0) /* avoid rate resampling */
363 #define SNDRV_PCM_HW_PARAMS_EXPORT_BUFFER (1<<1) /* export buffer */
364 #define SNDRV_PCM_HW_PARAMS_NO_PERIOD_WAKEUP (1<<2) /* disable period wakeups */
365
366 struct snd_interval {
367 unsigned int min, max;
368 unsigned int openmin:1,
369 openmax:1,
370 integer:1,
371 empty:1;
372 };
373
374 #define SNDRV_MASK_MAX 256
375
376 struct snd_mask {
377 __u32 bits[(SNDRV_MASK_MAX+31)/32];
378 };
379
380 struct snd_pcm_hw_params {
381 unsigned int flags;
382 struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK -
383 SNDRV_PCM_HW_PARAM_FIRST_MASK + 1];
384 struct snd_mask mres[5]; /* reserved masks */
385 struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL -
386 SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1];
387 struct snd_interval ires[9]; /* reserved intervals */
388 unsigned int rmask; /* W: requested masks */
389 unsigned int cmask; /* R: changed masks */
390 unsigned int info; /* R: Info flags for returned setup */
391 unsigned int msbits; /* R: used most significant bits */
392 unsigned int rate_num; /* R: rate numerator */
393 unsigned int rate_den; /* R: rate denominator */
394 snd_pcm_uframes_t fifo_size; /* R: chip FIFO size in frames */
395 unsigned char reserved[64]; /* reserved for future */
396 };
397
398 enum {
399 SNDRV_PCM_TSTAMP_NONE = 0,
400 SNDRV_PCM_TSTAMP_ENABLE,
401 SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_ENABLE,
402 };
403
404 struct snd_pcm_sw_params {
405 int tstamp_mode; /* timestamp mode */
406 unsigned int period_step;
407 unsigned int sleep_min; /* min ticks to sleep */
408 snd_pcm_uframes_t avail_min; /* min avail frames for wakeup */
409 snd_pcm_uframes_t xfer_align; /* obsolete: xfer size need to be a multiple */
410 snd_pcm_uframes_t start_threshold; /* min hw_avail frames for automatic start */
411 snd_pcm_uframes_t stop_threshold; /* min avail frames for automatic stop */
412 snd_pcm_uframes_t silence_threshold; /* min distance from noise for silence filling */
413 snd_pcm_uframes_t silence_size; /* silence block size */
414 snd_pcm_uframes_t boundary; /* pointers wrap point */
415 unsigned int proto; /* protocol version */
416 unsigned int tstamp_type; /* timestamp type (req. proto >= 2.0.12) */
417 unsigned char reserved[56]; /* reserved for future */
418 };
419
420 struct snd_pcm_channel_info {
421 unsigned int channel;
422 __kernel_off_t offset; /* mmap offset */
423 unsigned int first; /* offset to first sample in bits */
424 unsigned int step; /* samples distance in bits */
425 };
426
427 enum {
428 /*
429 * first definition for backwards compatibility only,
430 * maps to wallclock/link time for HDAudio playback and DEFAULT/DMA time for everything else
431 */
432 SNDRV_PCM_AUDIO_TSTAMP_TYPE_COMPAT = 0,
433
434 /* timestamp definitions */
435 SNDRV_PCM_AUDIO_TSTAMP_TYPE_DEFAULT = 1, /* DMA time, reported as per hw_ptr */
436 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK = 2, /* link time reported by sample or wallclock counter, reset on startup */
437 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_ABSOLUTE = 3, /* link time reported by sample or wallclock counter, not reset on startup */
438 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_ESTIMATED = 4, /* link time estimated indirectly */
439 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_SYNCHRONIZED = 5, /* link time synchronized with system time */
440 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LAST = SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_SYNCHRONIZED
441 };
442
443 struct snd_pcm_status {
444 snd_pcm_state_t state; /* stream state */
445 struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */
446 struct timespec tstamp; /* reference timestamp */
447 snd_pcm_uframes_t appl_ptr; /* appl ptr */
448 snd_pcm_uframes_t hw_ptr; /* hw ptr */
449 snd_pcm_sframes_t delay; /* current delay in frames */
450 snd_pcm_uframes_t avail; /* number of frames available */
451 snd_pcm_uframes_t avail_max; /* max frames available on hw since last status */
452 snd_pcm_uframes_t overrange; /* count of ADC (capture) overrange detections from last status */
453 snd_pcm_state_t suspended_state; /* suspended stream state */
454 __u32 audio_tstamp_data; /* needed for 64-bit alignment, used for configs/report to/from userspace */
455 struct timespec audio_tstamp; /* sample counter, wall clock, PHC or on-demand sync'ed */
456 struct timespec driver_tstamp; /* useful in case reference system tstamp is reported with delay */
457 __u32 audio_tstamp_accuracy; /* in ns units, only valid if indicated in audio_tstamp_data */
458 unsigned char reserved[52-2*sizeof(struct timespec)]; /* must be filled with zero */
459 };
460
461 struct snd_pcm_mmap_status {
462 snd_pcm_state_t state; /* RO: state - SNDRV_PCM_STATE_XXXX */
463 int pad1; /* Needed for 64 bit alignment */
464 snd_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */
465 struct timespec tstamp; /* Timestamp */
466 snd_pcm_state_t suspended_state; /* RO: suspended stream state */
467 struct timespec audio_tstamp; /* from sample counter or wall clock */
468 };
469
470 struct snd_pcm_mmap_control {
471 snd_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */
472 snd_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */
473 };
474
475 #define SNDRV_PCM_SYNC_PTR_HWSYNC (1<<0) /* execute hwsync */
476 #define SNDRV_PCM_SYNC_PTR_APPL (1<<1) /* get appl_ptr from driver (r/w op) */
477 #define SNDRV_PCM_SYNC_PTR_AVAIL_MIN (1<<2) /* get avail_min from driver */
478
479 struct snd_pcm_sync_ptr {
480 unsigned int flags;
481 union {
482 struct snd_pcm_mmap_status status;
483 unsigned char reserved[64];
484 } s;
485 union {
486 struct snd_pcm_mmap_control control;
487 unsigned char reserved[64];
488 } c;
489 };
490
491 struct snd_xferi {
492 snd_pcm_sframes_t result;
493 void __user *buf;
494 snd_pcm_uframes_t frames;
495 };
496
497 struct snd_xfern {
498 snd_pcm_sframes_t result;
499 void __user * __user *bufs;
500 snd_pcm_uframes_t frames;
501 };
502
503 enum {
504 SNDRV_PCM_TSTAMP_TYPE_GETTIMEOFDAY = 0, /* gettimeofday equivalent */
505 SNDRV_PCM_TSTAMP_TYPE_MONOTONIC, /* posix_clock_monotonic equivalent */
506 SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW, /* monotonic_raw (no NTP) */
507 SNDRV_PCM_TSTAMP_TYPE_LAST = SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW,
508 };
509
510 /* channel positions */
511 enum {
512 SNDRV_CHMAP_UNKNOWN = 0,
513 SNDRV_CHMAP_NA, /* N/A, silent */
514 SNDRV_CHMAP_MONO, /* mono stream */
515 /* this follows the alsa-lib mixer channel value + 3 */
516 SNDRV_CHMAP_FL, /* front left */
517 SNDRV_CHMAP_FR, /* front right */
518 SNDRV_CHMAP_RL, /* rear left */
519 SNDRV_CHMAP_RR, /* rear right */
520 SNDRV_CHMAP_FC, /* front center */
521 SNDRV_CHMAP_LFE, /* LFE */
522 SNDRV_CHMAP_SL, /* side left */
523 SNDRV_CHMAP_SR, /* side right */
524 SNDRV_CHMAP_RC, /* rear center */
525 /* new definitions */
526 SNDRV_CHMAP_FLC, /* front left center */
527 SNDRV_CHMAP_FRC, /* front right center */
528 SNDRV_CHMAP_RLC, /* rear left center */
529 SNDRV_CHMAP_RRC, /* rear right center */
530 SNDRV_CHMAP_FLW, /* front left wide */
531 SNDRV_CHMAP_FRW, /* front right wide */
532 SNDRV_CHMAP_FLH, /* front left high */
533 SNDRV_CHMAP_FCH, /* front center high */
534 SNDRV_CHMAP_FRH, /* front right high */
535 SNDRV_CHMAP_TC, /* top center */
536 SNDRV_CHMAP_TFL, /* top front left */
537 SNDRV_CHMAP_TFR, /* top front right */
538 SNDRV_CHMAP_TFC, /* top front center */
539 SNDRV_CHMAP_TRL, /* top rear left */
540 SNDRV_CHMAP_TRR, /* top rear right */
541 SNDRV_CHMAP_TRC, /* top rear center */
542 /* new definitions for UAC2 */
543 SNDRV_CHMAP_TFLC, /* top front left center */
544 SNDRV_CHMAP_TFRC, /* top front right center */
545 SNDRV_CHMAP_TSL, /* top side left */
546 SNDRV_CHMAP_TSR, /* top side right */
547 SNDRV_CHMAP_LLFE, /* left LFE */
548 SNDRV_CHMAP_RLFE, /* right LFE */
549 SNDRV_CHMAP_BC, /* bottom center */
550 SNDRV_CHMAP_BLC, /* bottom left center */
551 SNDRV_CHMAP_BRC, /* bottom right center */
552 SNDRV_CHMAP_LAST = SNDRV_CHMAP_BRC,
553 };
554
555 #define SNDRV_CHMAP_POSITION_MASK 0xffff
556 #define SNDRV_CHMAP_PHASE_INVERSE (0x01 << 16)
557 #define SNDRV_CHMAP_DRIVER_SPEC (0x02 << 16)
558
559 #define SNDRV_PCM_IOCTL_PVERSION _IOR('A', 0x00, int)
560 #define SNDRV_PCM_IOCTL_INFO _IOR('A', 0x01, struct snd_pcm_info)
561 #define SNDRV_PCM_IOCTL_TSTAMP _IOW('A', 0x02, int)
562 #define SNDRV_PCM_IOCTL_TTSTAMP _IOW('A', 0x03, int)
563 #define SNDRV_PCM_IOCTL_HW_REFINE _IOWR('A', 0x10, struct snd_pcm_hw_params)
564 #define SNDRV_PCM_IOCTL_HW_PARAMS _IOWR('A', 0x11, struct snd_pcm_hw_params)
565 #define SNDRV_PCM_IOCTL_HW_FREE _IO('A', 0x12)
566 #define SNDRV_PCM_IOCTL_SW_PARAMS _IOWR('A', 0x13, struct snd_pcm_sw_params)
567 #define SNDRV_PCM_IOCTL_STATUS _IOR('A', 0x20, struct snd_pcm_status)
568 #define SNDRV_PCM_IOCTL_DELAY _IOR('A', 0x21, snd_pcm_sframes_t)
569 #define SNDRV_PCM_IOCTL_HWSYNC _IO('A', 0x22)
570 #define SNDRV_PCM_IOCTL_SYNC_PTR _IOWR('A', 0x23, struct snd_pcm_sync_ptr)
571 #define SNDRV_PCM_IOCTL_STATUS_EXT _IOWR('A', 0x24, struct snd_pcm_status)
572 #define SNDRV_PCM_IOCTL_CHANNEL_INFO _IOR('A', 0x32, struct snd_pcm_channel_info)
573 #define SNDRV_PCM_IOCTL_PREPARE _IO('A', 0x40)
574 #define SNDRV_PCM_IOCTL_RESET _IO('A', 0x41)
575 #define SNDRV_PCM_IOCTL_START _IO('A', 0x42)
576 #define SNDRV_PCM_IOCTL_DROP _IO('A', 0x43)
577 #define SNDRV_PCM_IOCTL_DRAIN _IO('A', 0x44)
578 #define SNDRV_PCM_IOCTL_PAUSE _IOW('A', 0x45, int)
579 #define SNDRV_PCM_IOCTL_REWIND _IOW('A', 0x46, snd_pcm_uframes_t)
580 #define SNDRV_PCM_IOCTL_RESUME _IO('A', 0x47)
581 #define SNDRV_PCM_IOCTL_XRUN _IO('A', 0x48)
582 #define SNDRV_PCM_IOCTL_FORWARD _IOW('A', 0x49, snd_pcm_uframes_t)
583 #define SNDRV_PCM_IOCTL_WRITEI_FRAMES _IOW('A', 0x50, struct snd_xferi)
584 #define SNDRV_PCM_IOCTL_READI_FRAMES _IOR('A', 0x51, struct snd_xferi)
585 #define SNDRV_PCM_IOCTL_WRITEN_FRAMES _IOW('A', 0x52, struct snd_xfern)
586 #define SNDRV_PCM_IOCTL_READN_FRAMES _IOR('A', 0x53, struct snd_xfern)
587 #define SNDRV_PCM_IOCTL_LINK _IOW('A', 0x60, int)
588 #define SNDRV_PCM_IOCTL_UNLINK _IO('A', 0x61)
589
590 /*****************************************************************************
591 * *
592 * MIDI v1.0 interface *
593 * *
594 *****************************************************************************/
595
596 /*
597 * Raw MIDI section - /dev/snd/midi??
598 */
599
600 #define SNDRV_RAWMIDI_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 0)
601
602 enum {
603 SNDRV_RAWMIDI_STREAM_OUTPUT = 0,
604 SNDRV_RAWMIDI_STREAM_INPUT,
605 SNDRV_RAWMIDI_STREAM_LAST = SNDRV_RAWMIDI_STREAM_INPUT,
606 };
607
608 #define SNDRV_RAWMIDI_INFO_OUTPUT 0x00000001
609 #define SNDRV_RAWMIDI_INFO_INPUT 0x00000002
610 #define SNDRV_RAWMIDI_INFO_DUPLEX 0x00000004
611
612 struct snd_rawmidi_info {
613 unsigned int device; /* RO/WR (control): device number */
614 unsigned int subdevice; /* RO/WR (control): subdevice number */
615 int stream; /* WR: stream */
616 int card; /* R: card number */
617 unsigned int flags; /* SNDRV_RAWMIDI_INFO_XXXX */
618 unsigned char id[64]; /* ID (user selectable) */
619 unsigned char name[80]; /* name of device */
620 unsigned char subname[32]; /* name of active or selected subdevice */
621 unsigned int subdevices_count;
622 unsigned int subdevices_avail;
623 unsigned char reserved[64]; /* reserved for future use */
624 };
625
626 struct snd_rawmidi_params {
627 int stream;
628 size_t buffer_size; /* queue size in bytes */
629 size_t avail_min; /* minimum avail bytes for wakeup */
630 unsigned int no_active_sensing: 1; /* do not send active sensing byte in close() */
631 unsigned char reserved[16]; /* reserved for future use */
632 };
633
634 struct snd_rawmidi_status {
635 int stream;
636 struct timespec tstamp; /* Timestamp */
637 size_t avail; /* available bytes */
638 size_t xruns; /* count of overruns since last status (in bytes) */
639 unsigned char reserved[16]; /* reserved for future use */
640 };
641
642 #define SNDRV_RAWMIDI_IOCTL_PVERSION _IOR('W', 0x00, int)
643 #define SNDRV_RAWMIDI_IOCTL_INFO _IOR('W', 0x01, struct snd_rawmidi_info)
644 #define SNDRV_RAWMIDI_IOCTL_PARAMS _IOWR('W', 0x10, struct snd_rawmidi_params)
645 #define SNDRV_RAWMIDI_IOCTL_STATUS _IOWR('W', 0x20, struct snd_rawmidi_status)
646 #define SNDRV_RAWMIDI_IOCTL_DROP _IOW('W', 0x30, int)
647 #define SNDRV_RAWMIDI_IOCTL_DRAIN _IOW('W', 0x31, int)
648
649 /*
650 * Timer section - /dev/snd/timer
651 */
652
653 #define SNDRV_TIMER_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 6)
654
655 enum {
656 SNDRV_TIMER_CLASS_NONE = -1,
657 SNDRV_TIMER_CLASS_SLAVE = 0,
658 SNDRV_TIMER_CLASS_GLOBAL,
659 SNDRV_TIMER_CLASS_CARD,
660 SNDRV_TIMER_CLASS_PCM,
661 SNDRV_TIMER_CLASS_LAST = SNDRV_TIMER_CLASS_PCM,
662 };
663
664 /* slave timer classes */
665 enum {
666 SNDRV_TIMER_SCLASS_NONE = 0,
667 SNDRV_TIMER_SCLASS_APPLICATION,
668 SNDRV_TIMER_SCLASS_SEQUENCER, /* alias */
669 SNDRV_TIMER_SCLASS_OSS_SEQUENCER, /* alias */
670 SNDRV_TIMER_SCLASS_LAST = SNDRV_TIMER_SCLASS_OSS_SEQUENCER,
671 };
672
673 /* global timers (device member) */
674 #define SNDRV_TIMER_GLOBAL_SYSTEM 0
675 #define SNDRV_TIMER_GLOBAL_RTC 1 /* unused */
676 #define SNDRV_TIMER_GLOBAL_HPET 2
677 #define SNDRV_TIMER_GLOBAL_HRTIMER 3
678
679 /* info flags */
680 #define SNDRV_TIMER_FLG_SLAVE (1<<0) /* cannot be controlled */
681
682 struct snd_timer_id {
683 int dev_class;
684 int dev_sclass;
685 int card;
686 int device;
687 int subdevice;
688 };
689
690 struct snd_timer_ginfo {
691 struct snd_timer_id tid; /* requested timer ID */
692 unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */
693 int card; /* card number */
694 unsigned char id[64]; /* timer identification */
695 unsigned char name[80]; /* timer name */
696 unsigned long reserved0; /* reserved for future use */
697 unsigned long resolution; /* average period resolution in ns */
698 unsigned long resolution_min; /* minimal period resolution in ns */
699 unsigned long resolution_max; /* maximal period resolution in ns */
700 unsigned int clients; /* active timer clients */
701 unsigned char reserved[32];
702 };
703
704 struct snd_timer_gparams {
705 struct snd_timer_id tid; /* requested timer ID */
706 unsigned long period_num; /* requested precise period duration (in seconds) - numerator */
707 unsigned long period_den; /* requested precise period duration (in seconds) - denominator */
708 unsigned char reserved[32];
709 };
710
711 struct snd_timer_gstatus {
712 struct snd_timer_id tid; /* requested timer ID */
713 unsigned long resolution; /* current period resolution in ns */
714 unsigned long resolution_num; /* precise current period resolution (in seconds) - numerator */
715 unsigned long resolution_den; /* precise current period resolution (in seconds) - denominator */
716 unsigned char reserved[32];
717 };
718
719 struct snd_timer_select {
720 struct snd_timer_id id; /* bind to timer ID */
721 unsigned char reserved[32]; /* reserved */
722 };
723
724 struct snd_timer_info {
725 unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */
726 int card; /* card number */
727 unsigned char id[64]; /* timer identificator */
728 unsigned char name[80]; /* timer name */
729 unsigned long reserved0; /* reserved for future use */
730 unsigned long resolution; /* average period resolution in ns */
731 unsigned char reserved[64]; /* reserved */
732 };
733
734 #define SNDRV_TIMER_PSFLG_AUTO (1<<0) /* auto start, otherwise one-shot */
735 #define SNDRV_TIMER_PSFLG_EXCLUSIVE (1<<1) /* exclusive use, precise start/stop/pause/continue */
736 #define SNDRV_TIMER_PSFLG_EARLY_EVENT (1<<2) /* write early event to the poll queue */
737
738 struct snd_timer_params {
739 unsigned int flags; /* flags - SNDRV_MIXER_PSFLG_* */
740 unsigned int ticks; /* requested resolution in ticks */
741 unsigned int queue_size; /* total size of queue (32-1024) */
742 unsigned int reserved0; /* reserved, was: failure locations */
743 unsigned int filter; /* event filter (bitmask of SNDRV_TIMER_EVENT_*) */
744 unsigned char reserved[60]; /* reserved */
745 };
746
747 struct snd_timer_status {
748 struct timespec tstamp; /* Timestamp - last update */
749 unsigned int resolution; /* current period resolution in ns */
750 unsigned int lost; /* counter of master tick lost */
751 unsigned int overrun; /* count of read queue overruns */
752 unsigned int queue; /* used queue size */
753 unsigned char reserved[64]; /* reserved */
754 };
755
756 #define SNDRV_TIMER_IOCTL_PVERSION _IOR('T', 0x00, int)
757 #define SNDRV_TIMER_IOCTL_NEXT_DEVICE _IOWR('T', 0x01, struct snd_timer_id)
758 #define SNDRV_TIMER_IOCTL_TREAD _IOW('T', 0x02, int)
759 #define SNDRV_TIMER_IOCTL_GINFO _IOWR('T', 0x03, struct snd_timer_ginfo)
760 #define SNDRV_TIMER_IOCTL_GPARAMS _IOW('T', 0x04, struct snd_timer_gparams)
761 #define SNDRV_TIMER_IOCTL_GSTATUS _IOWR('T', 0x05, struct snd_timer_gstatus)
762 #define SNDRV_TIMER_IOCTL_SELECT _IOW('T', 0x10, struct snd_timer_select)
763 #define SNDRV_TIMER_IOCTL_INFO _IOR('T', 0x11, struct snd_timer_info)
764 #define SNDRV_TIMER_IOCTL_PARAMS _IOW('T', 0x12, struct snd_timer_params)
765 #define SNDRV_TIMER_IOCTL_STATUS _IOR('T', 0x14, struct snd_timer_status)
766 /* The following four ioctls are changed since 1.0.9 due to confliction */
767 #define SNDRV_TIMER_IOCTL_START _IO('T', 0xa0)
768 #define SNDRV_TIMER_IOCTL_STOP _IO('T', 0xa1)
769 #define SNDRV_TIMER_IOCTL_CONTINUE _IO('T', 0xa2)
770 #define SNDRV_TIMER_IOCTL_PAUSE _IO('T', 0xa3)
771
772 struct snd_timer_read {
773 unsigned int resolution;
774 unsigned int ticks;
775 };
776
777 enum {
778 SNDRV_TIMER_EVENT_RESOLUTION = 0, /* val = resolution in ns */
779 SNDRV_TIMER_EVENT_TICK, /* val = ticks */
780 SNDRV_TIMER_EVENT_START, /* val = resolution in ns */
781 SNDRV_TIMER_EVENT_STOP, /* val = 0 */
782 SNDRV_TIMER_EVENT_CONTINUE, /* val = resolution in ns */
783 SNDRV_TIMER_EVENT_PAUSE, /* val = 0 */
784 SNDRV_TIMER_EVENT_EARLY, /* val = 0, early event */
785 SNDRV_TIMER_EVENT_SUSPEND, /* val = 0 */
786 SNDRV_TIMER_EVENT_RESUME, /* val = resolution in ns */
787 /* master timer events for slave timer instances */
788 SNDRV_TIMER_EVENT_MSTART = SNDRV_TIMER_EVENT_START + 10,
789 SNDRV_TIMER_EVENT_MSTOP = SNDRV_TIMER_EVENT_STOP + 10,
790 SNDRV_TIMER_EVENT_MCONTINUE = SNDRV_TIMER_EVENT_CONTINUE + 10,
791 SNDRV_TIMER_EVENT_MPAUSE = SNDRV_TIMER_EVENT_PAUSE + 10,
792 SNDRV_TIMER_EVENT_MSUSPEND = SNDRV_TIMER_EVENT_SUSPEND + 10,
793 SNDRV_TIMER_EVENT_MRESUME = SNDRV_TIMER_EVENT_RESUME + 10,
794 };
795
796 struct snd_timer_tread {
797 int event;
798 struct timespec tstamp;
799 unsigned int val;
800 };
801
802 /****************************************************************************
803 * *
804 * Section for driver control interface - /dev/snd/control? *
805 * *
806 ****************************************************************************/
807
808 #define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 7)
809
810 struct snd_ctl_card_info {
811 int card; /* card number */
812 int pad; /* reserved for future (was type) */
813 unsigned char id[16]; /* ID of card (user selectable) */
814 unsigned char driver[16]; /* Driver name */
815 unsigned char name[32]; /* Short name of soundcard */
816 unsigned char longname[80]; /* name + info text about soundcard */
817 unsigned char reserved_[16]; /* reserved for future (was ID of mixer) */
818 unsigned char mixername[80]; /* visual mixer identification */
819 unsigned char components[128]; /* card components / fine identification, delimited with one space (AC97 etc..) */
820 };
821
822 typedef int __bitwise snd_ctl_elem_type_t;
823 #define SNDRV_CTL_ELEM_TYPE_NONE ((__force snd_ctl_elem_type_t) 0) /* invalid */
824 #define SNDRV_CTL_ELEM_TYPE_BOOLEAN ((__force snd_ctl_elem_type_t) 1) /* boolean type */
825 #define SNDRV_CTL_ELEM_TYPE_INTEGER ((__force snd_ctl_elem_type_t) 2) /* integer type */
826 #define SNDRV_CTL_ELEM_TYPE_ENUMERATED ((__force snd_ctl_elem_type_t) 3) /* enumerated type */
827 #define SNDRV_CTL_ELEM_TYPE_BYTES ((__force snd_ctl_elem_type_t) 4) /* byte array */
828 #define SNDRV_CTL_ELEM_TYPE_IEC958 ((__force snd_ctl_elem_type_t) 5) /* IEC958 (S/PDIF) setup */
829 #define SNDRV_CTL_ELEM_TYPE_INTEGER64 ((__force snd_ctl_elem_type_t) 6) /* 64-bit integer type */
830 #define SNDRV_CTL_ELEM_TYPE_LAST SNDRV_CTL_ELEM_TYPE_INTEGER64
831
832 typedef int __bitwise snd_ctl_elem_iface_t;
833 #define SNDRV_CTL_ELEM_IFACE_CARD ((__force snd_ctl_elem_iface_t) 0) /* global control */
834 #define SNDRV_CTL_ELEM_IFACE_HWDEP ((__force snd_ctl_elem_iface_t) 1) /* hardware dependent device */
835 #define SNDRV_CTL_ELEM_IFACE_MIXER ((__force snd_ctl_elem_iface_t) 2) /* virtual mixer device */
836 #define SNDRV_CTL_ELEM_IFACE_PCM ((__force snd_ctl_elem_iface_t) 3) /* PCM device */
837 #define SNDRV_CTL_ELEM_IFACE_RAWMIDI ((__force snd_ctl_elem_iface_t) 4) /* RawMidi device */
838 #define SNDRV_CTL_ELEM_IFACE_TIMER ((__force snd_ctl_elem_iface_t) 5) /* timer device */
839 #define SNDRV_CTL_ELEM_IFACE_SEQUENCER ((__force snd_ctl_elem_iface_t) 6) /* sequencer client */
840 #define SNDRV_CTL_ELEM_IFACE_LAST SNDRV_CTL_ELEM_IFACE_SEQUENCER
841
842 #define SNDRV_CTL_ELEM_ACCESS_READ (1<<0)
843 #define SNDRV_CTL_ELEM_ACCESS_WRITE (1<<1)
844 #define SNDRV_CTL_ELEM_ACCESS_READWRITE (SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE)
845 #define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1<<2) /* control value may be changed without a notification */
846 #define SNDRV_CTL_ELEM_ACCESS_TIMESTAMP (1<<3) /* when was control changed */
847 #define SNDRV_CTL_ELEM_ACCESS_TLV_READ (1<<4) /* TLV read is possible */
848 #define SNDRV_CTL_ELEM_ACCESS_TLV_WRITE (1<<5) /* TLV write is possible */
849 #define SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE (SNDRV_CTL_ELEM_ACCESS_TLV_READ|SNDRV_CTL_ELEM_ACCESS_TLV_WRITE)
850 #define SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND (1<<6) /* TLV command is possible */
851 #define SNDRV_CTL_ELEM_ACCESS_INACTIVE (1<<8) /* control does actually nothing, but may be updated */
852 #define SNDRV_CTL_ELEM_ACCESS_LOCK (1<<9) /* write lock */
853 #define SNDRV_CTL_ELEM_ACCESS_OWNER (1<<10) /* write lock owner */
854 #define SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK (1<<28) /* kernel use a TLV callback */
855 #define SNDRV_CTL_ELEM_ACCESS_USER (1<<29) /* user space element */
856 /* bits 30 and 31 are obsoleted (for indirect access) */
857
858 /* for further details see the ACPI and PCI power management specification */
859 #define SNDRV_CTL_POWER_D0 0x0000 /* full On */
860 #define SNDRV_CTL_POWER_D1 0x0100 /* partial On */
861 #define SNDRV_CTL_POWER_D2 0x0200 /* partial On */
862 #define SNDRV_CTL_POWER_D3 0x0300 /* Off */
863 #define SNDRV_CTL_POWER_D3hot (SNDRV_CTL_POWER_D3|0x0000) /* Off, with power */
864 #define SNDRV_CTL_POWER_D3cold (SNDRV_CTL_POWER_D3|0x0001) /* Off, without power */
865
866 #define SNDRV_CTL_ELEM_ID_NAME_MAXLEN 44
867
868 struct snd_ctl_elem_id {
869 unsigned int numid; /* numeric identifier, zero = invalid */
870 snd_ctl_elem_iface_t iface; /* interface identifier */
871 unsigned int device; /* device/client number */
872 unsigned int subdevice; /* subdevice (substream) number */
873 unsigned char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* ASCII name of item */
874 unsigned int index; /* index of item */
875 };
876
877 struct snd_ctl_elem_list {
878 unsigned int offset; /* W: first element ID to get */
879 unsigned int space; /* W: count of element IDs to get */
880 unsigned int used; /* R: count of element IDs set */
881 unsigned int count; /* R: count of all elements */
882 struct snd_ctl_elem_id __user *pids; /* R: IDs */
883 unsigned char reserved[50];
884 };
885
886 struct snd_ctl_elem_info {
887 struct snd_ctl_elem_id id; /* W: element ID */
888 snd_ctl_elem_type_t type; /* R: value type - SNDRV_CTL_ELEM_TYPE_* */
889 unsigned int access; /* R: value access (bitmask) - SNDRV_CTL_ELEM_ACCESS_* */
890 unsigned int count; /* count of values */
891 __kernel_pid_t owner; /* owner's PID of this control */
892 union {
893 struct {
894 long min; /* R: minimum value */
895 long max; /* R: maximum value */
896 long step; /* R: step (0 variable) */
897 } integer;
898 struct {
899 long long min; /* R: minimum value */
900 long long max; /* R: maximum value */
901 long long step; /* R: step (0 variable) */
902 } integer64;
903 struct {
904 unsigned int items; /* R: number of items */
905 unsigned int item; /* W: item number */
906 char name[64]; /* R: value name */
907 __u64 names_ptr; /* W: names list (ELEM_ADD only) */
908 unsigned int names_length;
909 } enumerated;
910 unsigned char reserved[128];
911 } value;
912 union {
913 unsigned short d[4]; /* dimensions */
914 unsigned short *d_ptr; /* indirect - obsoleted */
915 } dimen;
916 unsigned char reserved[64-4*sizeof(unsigned short)];
917 };
918
919 struct snd_ctl_elem_value {
920 struct snd_ctl_elem_id id; /* W: element ID */
921 unsigned int indirect: 1; /* W: indirect access - obsoleted */
922 union {
923 union {
924 long value[128];
925 long *value_ptr; /* obsoleted */
926 } integer;
927 union {
928 long long value[64];
929 long long *value_ptr; /* obsoleted */
930 } integer64;
931 union {
932 unsigned int item[128];
933 unsigned int *item_ptr; /* obsoleted */
934 } enumerated;
935 union {
936 unsigned char data[512];
937 unsigned char *data_ptr; /* obsoleted */
938 } bytes;
939 struct snd_aes_iec958 iec958;
940 } value; /* RO */
941 struct timespec tstamp;
942 unsigned char reserved[128-sizeof(struct timespec)];
943 };
944
945 struct snd_ctl_tlv {
946 unsigned int numid; /* control element numeric identification */
947 unsigned int length; /* in bytes aligned to 4 */
948 unsigned int tlv[0]; /* first TLV */
949 };
950
951 #define SNDRV_CTL_IOCTL_PVERSION _IOR('U', 0x00, int)
952 #define SNDRV_CTL_IOCTL_CARD_INFO _IOR('U', 0x01, struct snd_ctl_card_info)
953 #define SNDRV_CTL_IOCTL_ELEM_LIST _IOWR('U', 0x10, struct snd_ctl_elem_list)
954 #define SNDRV_CTL_IOCTL_ELEM_INFO _IOWR('U', 0x11, struct snd_ctl_elem_info)
955 #define SNDRV_CTL_IOCTL_ELEM_READ _IOWR('U', 0x12, struct snd_ctl_elem_value)
956 #define SNDRV_CTL_IOCTL_ELEM_WRITE _IOWR('U', 0x13, struct snd_ctl_elem_value)
957 #define SNDRV_CTL_IOCTL_ELEM_LOCK _IOW('U', 0x14, struct snd_ctl_elem_id)
958 #define SNDRV_CTL_IOCTL_ELEM_UNLOCK _IOW('U', 0x15, struct snd_ctl_elem_id)
959 #define SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS _IOWR('U', 0x16, int)
960 #define SNDRV_CTL_IOCTL_ELEM_ADD _IOWR('U', 0x17, struct snd_ctl_elem_info)
961 #define SNDRV_CTL_IOCTL_ELEM_REPLACE _IOWR('U', 0x18, struct snd_ctl_elem_info)
962 #define SNDRV_CTL_IOCTL_ELEM_REMOVE _IOWR('U', 0x19, struct snd_ctl_elem_id)
963 #define SNDRV_CTL_IOCTL_TLV_READ _IOWR('U', 0x1a, struct snd_ctl_tlv)
964 #define SNDRV_CTL_IOCTL_TLV_WRITE _IOWR('U', 0x1b, struct snd_ctl_tlv)
965 #define SNDRV_CTL_IOCTL_TLV_COMMAND _IOWR('U', 0x1c, struct snd_ctl_tlv)
966 #define SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE _IOWR('U', 0x20, int)
967 #define SNDRV_CTL_IOCTL_HWDEP_INFO _IOR('U', 0x21, struct snd_hwdep_info)
968 #define SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE _IOR('U', 0x30, int)
969 #define SNDRV_CTL_IOCTL_PCM_INFO _IOWR('U', 0x31, struct snd_pcm_info)
970 #define SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE _IOW('U', 0x32, int)
971 #define SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE _IOWR('U', 0x40, int)
972 #define SNDRV_CTL_IOCTL_RAWMIDI_INFO _IOWR('U', 0x41, struct snd_rawmidi_info)
973 #define SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE _IOW('U', 0x42, int)
974 #define SNDRV_CTL_IOCTL_POWER _IOWR('U', 0xd0, int)
975 #define SNDRV_CTL_IOCTL_POWER_STATE _IOR('U', 0xd1, int)
976
977 /*
978 * Read interface.
979 */
980
981 enum sndrv_ctl_event_type {
982 SNDRV_CTL_EVENT_ELEM = 0,
983 SNDRV_CTL_EVENT_LAST = SNDRV_CTL_EVENT_ELEM,
984 };
985
986 #define SNDRV_CTL_EVENT_MASK_VALUE (1<<0) /* element value was changed */
987 #define SNDRV_CTL_EVENT_MASK_INFO (1<<1) /* element info was changed */
988 #define SNDRV_CTL_EVENT_MASK_ADD (1<<2) /* element was added */
989 #define SNDRV_CTL_EVENT_MASK_TLV (1<<3) /* element TLV tree was changed */
990 #define SNDRV_CTL_EVENT_MASK_REMOVE (~0U) /* element was removed */
991
992 struct snd_ctl_event {
993 int type; /* event type - SNDRV_CTL_EVENT_* */
994 union {
995 struct {
996 unsigned int mask;
997 struct snd_ctl_elem_id id;
998 } elem;
999 unsigned char data8[60];
1000 } data;
1001 };
1002
1003 /*
1004 * Control names
1005 */
1006
1007 #define SNDRV_CTL_NAME_NONE ""
1008 #define SNDRV_CTL_NAME_PLAYBACK "Playback "
1009 #define SNDRV_CTL_NAME_CAPTURE "Capture "
1010
1011 #define SNDRV_CTL_NAME_IEC958_NONE ""
1012 #define SNDRV_CTL_NAME_IEC958_SWITCH "Switch"
1013 #define SNDRV_CTL_NAME_IEC958_VOLUME "Volume"
1014 #define SNDRV_CTL_NAME_IEC958_DEFAULT "Default"
1015 #define SNDRV_CTL_NAME_IEC958_MASK "Mask"
1016 #define SNDRV_CTL_NAME_IEC958_CON_MASK "Con Mask"
1017 #define SNDRV_CTL_NAME_IEC958_PRO_MASK "Pro Mask"
1018 #define SNDRV_CTL_NAME_IEC958_PCM_STREAM "PCM Stream"
1019 #define SNDRV_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SNDRV_CTL_NAME_##direction SNDRV_CTL_NAME_IEC958_##what
1020
1021 #endif /* _UAPI__SOUND_ASOUND_H */
Linux with added FPC-III support