2 * Advanced Linux Sound Architecture - ALSA - Driver
3 * Copyright (c) 1994-2003 by Jaroslav Kysela <perex@suse.cz>,
4 * Abramo Bagnara <abramo@alsa-project.org>
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.
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.
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
23 #ifndef __SOUND_ASOUND_H
24 #define __SOUND_ASOUND_H
26 #if defined(LINUX) || defined(__LINUX__) || defined(__linux__)
28 #include <linux/ioctl.h>
32 #include <linux/types.h>
33 #include <linux/time.h>
34 #include <asm/byteorder.h>
36 #ifdef __LITTLE_ENDIAN
37 #define SNDRV_LITTLE_ENDIAN
40 #define SNDRV_BIG_ENDIAN
42 #error "Unsupported endian..."
46 #else /* !__KERNEL__ */
49 #if __BYTE_ORDER == __LITTLE_ENDIAN
50 #define SNDRV_LITTLE_ENDIAN
51 #elif __BYTE_ORDER == __BIG_ENDIAN
52 #define SNDRV_BIG_ENDIAN
54 #error "Unsupported endian..."
57 #endif /* __KERNEL **/
63 #include <sys/types.h>
70 #define SNDRV_PROTOCOL_VERSION(major, minor, subminor) (((major)<<16)|((minor)<<8)|(subminor))
71 #define SNDRV_PROTOCOL_MAJOR(version) (((version)>>16)&0xffff)
72 #define SNDRV_PROTOCOL_MINOR(version) (((version)>>8)&0xff)
73 #define SNDRV_PROTOCOL_MICRO(version) ((version)&0xff)
74 #define SNDRV_PROTOCOL_INCOMPATIBLE(kversion, uversion) \
75 (SNDRV_PROTOCOL_MAJOR(kversion) != SNDRV_PROTOCOL_MAJOR(uversion) || \
76 (SNDRV_PROTOCOL_MAJOR(kversion) == SNDRV_PROTOCOL_MAJOR(uversion) && \
77 SNDRV_PROTOCOL_MINOR(kversion) != SNDRV_PROTOCOL_MINOR(uversion)))
79 /****************************************************************************
81 * Digital audio interface *
83 ****************************************************************************/
85 struct sndrv_aes_iec958 {
86 unsigned char status[24]; /* AES/IEC958 channel status bits */
87 unsigned char subcode[147]; /* AES/IEC958 subcode bits */
88 unsigned char pad; /* nothing */
89 unsigned char dig_subframe[4]; /* AES/IEC958 subframe bits */
92 /****************************************************************************
94 * Section for driver hardware dependent interface - /dev/snd/hw? *
96 ****************************************************************************/
98 #define SNDRV_HWDEP_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1)
100 enum sndrv_hwdep_iface {
101 SNDRV_HWDEP_IFACE_OPL2 = 0,
102 SNDRV_HWDEP_IFACE_OPL3,
103 SNDRV_HWDEP_IFACE_OPL4,
104 SNDRV_HWDEP_IFACE_SB16CSP, /* Creative Signal Processor */
105 SNDRV_HWDEP_IFACE_EMU10K1, /* FX8010 processor in EMU10K1 chip */
106 SNDRV_HWDEP_IFACE_YSS225, /* Yamaha FX processor */
107 SNDRV_HWDEP_IFACE_ICS2115, /* Wavetable synth */
108 SNDRV_HWDEP_IFACE_SSCAPE, /* Ensoniq SoundScape ISA card (MC68EC000) */
109 SNDRV_HWDEP_IFACE_VX, /* Digigram VX cards */
110 SNDRV_HWDEP_IFACE_MIXART, /* Digigram miXart cards */
111 SNDRV_HWDEP_IFACE_USX2Y, /* Tascam US122, US224 & US428 usb */
112 SNDRV_HWDEP_IFACE_EMUX_WAVETABLE, /* EmuX wavetable */
114 /* Don't forget to change the following: */
115 SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_EMUX_WAVETABLE,
118 struct sndrv_hwdep_info {
119 unsigned int device; /* WR: device number */
120 int card; /* R: card number */
121 unsigned char id[64]; /* ID (user selectable) */
122 unsigned char name[80]; /* hwdep name */
123 enum sndrv_hwdep_iface iface; /* hwdep interface */
124 unsigned char reserved[64]; /* reserved for future */
127 /* generic DSP loader */
128 struct sndrv_hwdep_dsp_status {
129 unsigned int version; /* R: driver-specific version */
130 unsigned char id[32]; /* R: driver-specific ID string */
131 unsigned int num_dsps; /* R: number of DSP images to transfer */
132 unsigned int dsp_loaded; /* R: bit flags indicating the loaded DSPs */
133 unsigned int chip_ready; /* R: 1 = initialization finished */
134 unsigned char reserved[16]; /* reserved for future use */
137 struct sndrv_hwdep_dsp_image {
138 unsigned int index; /* W: DSP index */
139 unsigned char name[64]; /* W: ID (e.g. file name) */
140 unsigned char __user *image; /* W: binary image */
141 size_t length; /* W: size of image in bytes */
142 unsigned long driver_data; /* W: driver-specific data */
146 SNDRV_HWDEP_IOCTL_PVERSION = _IOR ('H', 0x00, int),
147 SNDRV_HWDEP_IOCTL_INFO = _IOR ('H', 0x01, struct sndrv_hwdep_info),
148 SNDRV_HWDEP_IOCTL_DSP_STATUS = _IOR('H', 0x02, struct sndrv_hwdep_dsp_status),
149 SNDRV_HWDEP_IOCTL_DSP_LOAD = _IOW('H', 0x03, struct sndrv_hwdep_dsp_image)
152 /*****************************************************************************
154 * Digital Audio (PCM) interface - /dev/snd/pcm?? *
156 *****************************************************************************/
158 #define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 7)
160 typedef unsigned long sndrv_pcm_uframes_t;
161 typedef long sndrv_pcm_sframes_t;
163 enum sndrv_pcm_class {
164 SNDRV_PCM_CLASS_GENERIC = 0, /* standard mono or stereo device */
165 SNDRV_PCM_CLASS_MULTI, /* multichannel device */
166 SNDRV_PCM_CLASS_MODEM, /* software modem class */
167 SNDRV_PCM_CLASS_DIGITIZER, /* digitizer class */
168 /* Don't forget to change the following: */
169 SNDRV_PCM_CLASS_LAST = SNDRV_PCM_CLASS_DIGITIZER,
172 enum sndrv_pcm_subclass {
173 SNDRV_PCM_SUBCLASS_GENERIC_MIX = 0, /* mono or stereo subdevices are mixed together */
174 SNDRV_PCM_SUBCLASS_MULTI_MIX, /* multichannel subdevices are mixed together */
175 /* Don't forget to change the following: */
176 SNDRV_PCM_SUBCLASS_LAST = SNDRV_PCM_SUBCLASS_MULTI_MIX,
179 enum sndrv_pcm_stream {
180 SNDRV_PCM_STREAM_PLAYBACK = 0,
181 SNDRV_PCM_STREAM_CAPTURE,
182 SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE,
185 enum sndrv_pcm_access {
186 SNDRV_PCM_ACCESS_MMAP_INTERLEAVED = 0, /* interleaved mmap */
187 SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED, /* noninterleaved mmap */
188 SNDRV_PCM_ACCESS_MMAP_COMPLEX, /* complex mmap */
189 SNDRV_PCM_ACCESS_RW_INTERLEAVED, /* readi/writei */
190 SNDRV_PCM_ACCESS_RW_NONINTERLEAVED, /* readn/writen */
191 SNDRV_PCM_ACCESS_LAST = SNDRV_PCM_ACCESS_RW_NONINTERLEAVED,
194 enum sndrv_pcm_format {
195 SNDRV_PCM_FORMAT_S8 = 0,
197 SNDRV_PCM_FORMAT_S16_LE,
198 SNDRV_PCM_FORMAT_S16_BE,
199 SNDRV_PCM_FORMAT_U16_LE,
200 SNDRV_PCM_FORMAT_U16_BE,
201 SNDRV_PCM_FORMAT_S24_LE, /* low three bytes */
202 SNDRV_PCM_FORMAT_S24_BE, /* low three bytes */
203 SNDRV_PCM_FORMAT_U24_LE, /* low three bytes */
204 SNDRV_PCM_FORMAT_U24_BE, /* low three bytes */
205 SNDRV_PCM_FORMAT_S32_LE,
206 SNDRV_PCM_FORMAT_S32_BE,
207 SNDRV_PCM_FORMAT_U32_LE,
208 SNDRV_PCM_FORMAT_U32_BE,
209 SNDRV_PCM_FORMAT_FLOAT_LE, /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */
210 SNDRV_PCM_FORMAT_FLOAT_BE, /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */
211 SNDRV_PCM_FORMAT_FLOAT64_LE, /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */
212 SNDRV_PCM_FORMAT_FLOAT64_BE, /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */
213 SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE, /* IEC-958 subframe, Little Endian */
214 SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE, /* IEC-958 subframe, Big Endian */
215 SNDRV_PCM_FORMAT_MU_LAW,
216 SNDRV_PCM_FORMAT_A_LAW,
217 SNDRV_PCM_FORMAT_IMA_ADPCM,
218 SNDRV_PCM_FORMAT_MPEG,
219 SNDRV_PCM_FORMAT_GSM,
220 SNDRV_PCM_FORMAT_SPECIAL = 31,
221 SNDRV_PCM_FORMAT_S24_3LE = 32, /* in three bytes */
222 SNDRV_PCM_FORMAT_S24_3BE, /* in three bytes */
223 SNDRV_PCM_FORMAT_U24_3LE, /* in three bytes */
224 SNDRV_PCM_FORMAT_U24_3BE, /* in three bytes */
225 SNDRV_PCM_FORMAT_S20_3LE, /* in three bytes */
226 SNDRV_PCM_FORMAT_S20_3BE, /* in three bytes */
227 SNDRV_PCM_FORMAT_U20_3LE, /* in three bytes */
228 SNDRV_PCM_FORMAT_U20_3BE, /* in three bytes */
229 SNDRV_PCM_FORMAT_S18_3LE, /* in three bytes */
230 SNDRV_PCM_FORMAT_S18_3BE, /* in three bytes */
231 SNDRV_PCM_FORMAT_U18_3LE, /* in three bytes */
232 SNDRV_PCM_FORMAT_U18_3BE, /* in three bytes */
233 SNDRV_PCM_FORMAT_LAST = SNDRV_PCM_FORMAT_U18_3BE,
235 #ifdef SNDRV_LITTLE_ENDIAN
236 SNDRV_PCM_FORMAT_S16 = SNDRV_PCM_FORMAT_S16_LE,
237 SNDRV_PCM_FORMAT_U16 = SNDRV_PCM_FORMAT_U16_LE,
238 SNDRV_PCM_FORMAT_S24 = SNDRV_PCM_FORMAT_S24_LE,
239 SNDRV_PCM_FORMAT_U24 = SNDRV_PCM_FORMAT_U24_LE,
240 SNDRV_PCM_FORMAT_S32 = SNDRV_PCM_FORMAT_S32_LE,
241 SNDRV_PCM_FORMAT_U32 = SNDRV_PCM_FORMAT_U32_LE,
242 SNDRV_PCM_FORMAT_FLOAT = SNDRV_PCM_FORMAT_FLOAT_LE,
243 SNDRV_PCM_FORMAT_FLOAT64 = SNDRV_PCM_FORMAT_FLOAT64_LE,
244 SNDRV_PCM_FORMAT_IEC958_SUBFRAME = SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE,
246 #ifdef SNDRV_BIG_ENDIAN
247 SNDRV_PCM_FORMAT_S16 = SNDRV_PCM_FORMAT_S16_BE,
248 SNDRV_PCM_FORMAT_U16 = SNDRV_PCM_FORMAT_U16_BE,
249 SNDRV_PCM_FORMAT_S24 = SNDRV_PCM_FORMAT_S24_BE,
250 SNDRV_PCM_FORMAT_U24 = SNDRV_PCM_FORMAT_U24_BE,
251 SNDRV_PCM_FORMAT_S32 = SNDRV_PCM_FORMAT_S32_BE,
252 SNDRV_PCM_FORMAT_U32 = SNDRV_PCM_FORMAT_U32_BE,
253 SNDRV_PCM_FORMAT_FLOAT = SNDRV_PCM_FORMAT_FLOAT_BE,
254 SNDRV_PCM_FORMAT_FLOAT64 = SNDRV_PCM_FORMAT_FLOAT64_BE,
255 SNDRV_PCM_FORMAT_IEC958_SUBFRAME = SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE,
259 enum sndrv_pcm_subformat {
260 SNDRV_PCM_SUBFORMAT_STD = 0,
261 SNDRV_PCM_SUBFORMAT_LAST = SNDRV_PCM_SUBFORMAT_STD,
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_NONATOMIC_OPS 0x00800000 /* non-atomic prepare callback */
280 enum sndrv_pcm_state {
281 SNDRV_PCM_STATE_OPEN = 0, /* stream is open */
282 SNDRV_PCM_STATE_SETUP, /* stream has a setup */
283 SNDRV_PCM_STATE_PREPARED, /* stream is ready to start */
284 SNDRV_PCM_STATE_RUNNING, /* stream is running */
285 SNDRV_PCM_STATE_XRUN, /* stream reached an xrun */
286 SNDRV_PCM_STATE_DRAINING, /* stream is draining */
287 SNDRV_PCM_STATE_PAUSED, /* stream is paused */
288 SNDRV_PCM_STATE_SUSPENDED, /* hardware is suspended */
289 SNDRV_PCM_STATE_DISCONNECTED, /* hardware is disconnected */
290 SNDRV_PCM_STATE_LAST = SNDRV_PCM_STATE_DISCONNECTED,
294 SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000,
295 SNDRV_PCM_MMAP_OFFSET_STATUS = 0x80000000,
296 SNDRV_PCM_MMAP_OFFSET_CONTROL = 0x81000000,
299 union sndrv_pcm_sync_id {
300 unsigned char id[16];
301 unsigned short id16[8];
302 unsigned int id32[4];
305 struct sndrv_pcm_info {
306 unsigned int device; /* RO/WR (control): device number */
307 unsigned int subdevice; /* RO/WR (control): subdevice number */
308 enum sndrv_pcm_stream stream; /* RO/WR (control): stream number */
309 int card; /* R: card number */
310 unsigned char id[64]; /* ID (user selectable) */
311 unsigned char name[80]; /* name of this device */
312 unsigned char subname[32]; /* subdevice name */
313 enum sndrv_pcm_class dev_class; /* SNDRV_PCM_CLASS_* */
314 enum sndrv_pcm_subclass dev_subclass; /* SNDRV_PCM_SUBCLASS_* */
315 unsigned int subdevices_count;
316 unsigned int subdevices_avail;
317 union sndrv_pcm_sync_id sync; /* hardware synchronization ID */
318 unsigned char reserved[64]; /* reserved for future... */
321 enum sndrv_pcm_hw_param {
322 SNDRV_PCM_HW_PARAM_ACCESS = 0, /* Access type */
323 SNDRV_PCM_HW_PARAM_FIRST_MASK = SNDRV_PCM_HW_PARAM_ACCESS,
324 SNDRV_PCM_HW_PARAM_FORMAT, /* Format */
325 SNDRV_PCM_HW_PARAM_SUBFORMAT, /* Subformat */
326 SNDRV_PCM_HW_PARAM_LAST_MASK = SNDRV_PCM_HW_PARAM_SUBFORMAT,
328 SNDRV_PCM_HW_PARAM_SAMPLE_BITS = 8, /* Bits per sample */
329 SNDRV_PCM_HW_PARAM_FIRST_INTERVAL = SNDRV_PCM_HW_PARAM_SAMPLE_BITS,
330 SNDRV_PCM_HW_PARAM_FRAME_BITS, /* Bits per frame */
331 SNDRV_PCM_HW_PARAM_CHANNELS, /* Channels */
332 SNDRV_PCM_HW_PARAM_RATE, /* Approx rate */
333 SNDRV_PCM_HW_PARAM_PERIOD_TIME, /* Approx distance between interrupts
335 SNDRV_PCM_HW_PARAM_PERIOD_SIZE, /* Approx frames between interrupts */
336 SNDRV_PCM_HW_PARAM_PERIOD_BYTES, /* Approx bytes between interrupts */
337 SNDRV_PCM_HW_PARAM_PERIODS, /* Approx interrupts per buffer */
338 SNDRV_PCM_HW_PARAM_BUFFER_TIME, /* Approx duration of buffer in us */
339 SNDRV_PCM_HW_PARAM_BUFFER_SIZE, /* Size of buffer in frames */
340 SNDRV_PCM_HW_PARAM_BUFFER_BYTES, /* Size of buffer in bytes */
341 SNDRV_PCM_HW_PARAM_TICK_TIME, /* Approx tick duration in us */
342 SNDRV_PCM_HW_PARAM_LAST_INTERVAL = SNDRV_PCM_HW_PARAM_TICK_TIME
345 #define SNDRV_PCM_HW_PARAMS_RUNTIME (1<<0)
347 struct sndrv_interval {
348 unsigned int min, max;
349 unsigned int openmin:1,
355 #define SNDRV_MASK_MAX 256
358 u_int32_t bits[(SNDRV_MASK_MAX+31)/32];
361 struct sndrv_pcm_hw_params {
363 struct sndrv_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK -
364 SNDRV_PCM_HW_PARAM_FIRST_MASK + 1];
365 struct sndrv_mask mres[5]; /* reserved masks */
366 struct sndrv_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL -
367 SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1];
368 struct sndrv_interval ires[9]; /* reserved intervals */
369 unsigned int rmask; /* W: requested masks */
370 unsigned int cmask; /* R: changed masks */
371 unsigned int info; /* R: Info flags for returned setup */
372 unsigned int msbits; /* R: used most significant bits */
373 unsigned int rate_num; /* R: rate numerator */
374 unsigned int rate_den; /* R: rate denominator */
375 sndrv_pcm_uframes_t fifo_size; /* R: chip FIFO size in frames */
376 unsigned char reserved[64]; /* reserved for future */
379 enum sndrv_pcm_tstamp {
380 SNDRV_PCM_TSTAMP_NONE = 0,
381 SNDRV_PCM_TSTAMP_MMAP,
382 SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_MMAP,
385 struct sndrv_pcm_sw_params {
386 enum sndrv_pcm_tstamp tstamp_mode; /* timestamp mode */
387 unsigned int period_step;
388 unsigned int sleep_min; /* min ticks to sleep */
389 sndrv_pcm_uframes_t avail_min; /* min avail frames for wakeup */
390 sndrv_pcm_uframes_t xfer_align; /* xfer size need to be a multiple */
391 sndrv_pcm_uframes_t start_threshold; /* min hw_avail frames for automatic start */
392 sndrv_pcm_uframes_t stop_threshold; /* min avail frames for automatic stop */
393 sndrv_pcm_uframes_t silence_threshold; /* min distance from noise for silence filling */
394 sndrv_pcm_uframes_t silence_size; /* silence block size */
395 sndrv_pcm_uframes_t boundary; /* pointers wrap point */
396 unsigned char reserved[64]; /* reserved for future */
399 struct sndrv_pcm_channel_info {
400 unsigned int channel;
401 off_t offset; /* mmap offset */
402 unsigned int first; /* offset to first sample in bits */
403 unsigned int step; /* samples distance in bits */
406 struct sndrv_pcm_status {
407 enum sndrv_pcm_state state; /* stream state */
408 struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */
409 struct timespec tstamp; /* reference timestamp */
410 sndrv_pcm_uframes_t appl_ptr; /* appl ptr */
411 sndrv_pcm_uframes_t hw_ptr; /* hw ptr */
412 sndrv_pcm_sframes_t delay; /* current delay in frames */
413 sndrv_pcm_uframes_t avail; /* number of frames available */
414 sndrv_pcm_uframes_t avail_max; /* max frames available on hw since last status */
415 sndrv_pcm_uframes_t overrange; /* count of ADC (capture) overrange detections from last status */
416 enum sndrv_pcm_state suspended_state; /* suspended stream state */
417 unsigned char reserved[60]; /* must be filled with zero */
420 struct sndrv_pcm_mmap_status {
421 enum sndrv_pcm_state state; /* RO: state - SNDRV_PCM_STATE_XXXX */
422 int pad1; /* Needed for 64 bit alignment */
423 sndrv_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */
424 struct timespec tstamp; /* Timestamp */
425 enum sndrv_pcm_state suspended_state; /* RO: suspended stream state */
428 struct sndrv_pcm_mmap_control {
429 sndrv_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */
430 sndrv_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */
433 #define SNDRV_PCM_SYNC_PTR_HWSYNC (1<<0) /* execute hwsync */
434 #define SNDRV_PCM_SYNC_PTR_APPL (1<<1) /* get appl_ptr from driver (r/w op) */
435 #define SNDRV_PCM_SYNC_PTR_AVAIL_MIN (1<<2) /* get avail_min from driver */
437 struct sndrv_pcm_sync_ptr {
440 struct sndrv_pcm_mmap_status status;
441 unsigned char reserved[64];
444 struct sndrv_pcm_mmap_control control;
445 unsigned char reserved[64];
450 sndrv_pcm_sframes_t result;
452 sndrv_pcm_uframes_t frames;
456 sndrv_pcm_sframes_t result;
457 void __user * __user *bufs;
458 sndrv_pcm_uframes_t frames;
462 SNDRV_PCM_IOCTL_PVERSION = _IOR('A', 0x00, int),
463 SNDRV_PCM_IOCTL_INFO = _IOR('A', 0x01, struct sndrv_pcm_info),
464 SNDRV_PCM_IOCTL_TSTAMP = _IOW('A', 0x02, int),
465 SNDRV_PCM_IOCTL_HW_REFINE = _IOWR('A', 0x10, struct sndrv_pcm_hw_params),
466 SNDRV_PCM_IOCTL_HW_PARAMS = _IOWR('A', 0x11, struct sndrv_pcm_hw_params),
467 SNDRV_PCM_IOCTL_HW_FREE = _IO('A', 0x12),
468 SNDRV_PCM_IOCTL_SW_PARAMS = _IOWR('A', 0x13, struct sndrv_pcm_sw_params),
469 SNDRV_PCM_IOCTL_STATUS = _IOR('A', 0x20, struct sndrv_pcm_status),
470 SNDRV_PCM_IOCTL_DELAY = _IOR('A', 0x21, sndrv_pcm_sframes_t),
471 SNDRV_PCM_IOCTL_HWSYNC = _IO('A', 0x22),
472 SNDRV_PCM_IOCTL_SYNC_PTR = _IOWR('A', 0x23, struct sndrv_pcm_sync_ptr),
473 SNDRV_PCM_IOCTL_CHANNEL_INFO = _IOR('A', 0x32, struct sndrv_pcm_channel_info),
474 SNDRV_PCM_IOCTL_PREPARE = _IO('A', 0x40),
475 SNDRV_PCM_IOCTL_RESET = _IO('A', 0x41),
476 SNDRV_PCM_IOCTL_START = _IO('A', 0x42),
477 SNDRV_PCM_IOCTL_DROP = _IO('A', 0x43),
478 SNDRV_PCM_IOCTL_DRAIN = _IO('A', 0x44),
479 SNDRV_PCM_IOCTL_PAUSE = _IOW('A', 0x45, int),
480 SNDRV_PCM_IOCTL_REWIND = _IOW('A', 0x46, sndrv_pcm_uframes_t),
481 SNDRV_PCM_IOCTL_RESUME = _IO('A', 0x47),
482 SNDRV_PCM_IOCTL_XRUN = _IO('A', 0x48),
483 SNDRV_PCM_IOCTL_FORWARD = _IOW('A', 0x49, sndrv_pcm_uframes_t),
484 SNDRV_PCM_IOCTL_WRITEI_FRAMES = _IOW('A', 0x50, struct sndrv_xferi),
485 SNDRV_PCM_IOCTL_READI_FRAMES = _IOR('A', 0x51, struct sndrv_xferi),
486 SNDRV_PCM_IOCTL_WRITEN_FRAMES = _IOW('A', 0x52, struct sndrv_xfern),
487 SNDRV_PCM_IOCTL_READN_FRAMES = _IOR('A', 0x53, struct sndrv_xfern),
488 SNDRV_PCM_IOCTL_LINK = _IOW('A', 0x60, int),
489 SNDRV_PCM_IOCTL_UNLINK = _IO('A', 0x61),
492 /* Trick to make alsa-lib/acinclude.m4 happy */
493 #define SNDRV_PCM_IOCTL_REWIND SNDRV_PCM_IOCTL_REWIND
495 /*****************************************************************************
497 * MIDI v1.0 interface *
499 *****************************************************************************/
502 * Raw MIDI section - /dev/snd/midi??
505 #define SNDRV_RAWMIDI_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 0)
507 enum sndrv_rawmidi_stream {
508 SNDRV_RAWMIDI_STREAM_OUTPUT = 0,
509 SNDRV_RAWMIDI_STREAM_INPUT,
510 SNDRV_RAWMIDI_STREAM_LAST = SNDRV_RAWMIDI_STREAM_INPUT,
513 #define SNDRV_RAWMIDI_INFO_OUTPUT 0x00000001
514 #define SNDRV_RAWMIDI_INFO_INPUT 0x00000002
515 #define SNDRV_RAWMIDI_INFO_DUPLEX 0x00000004
517 struct sndrv_rawmidi_info {
518 unsigned int device; /* RO/WR (control): device number */
519 unsigned int subdevice; /* RO/WR (control): subdevice number */
520 enum sndrv_rawmidi_stream stream; /* WR: stream */
521 int card; /* R: card number */
522 unsigned int flags; /* SNDRV_RAWMIDI_INFO_XXXX */
523 unsigned char id[64]; /* ID (user selectable) */
524 unsigned char name[80]; /* name of device */
525 unsigned char subname[32]; /* name of active or selected subdevice */
526 unsigned int subdevices_count;
527 unsigned int subdevices_avail;
528 unsigned char reserved[64]; /* reserved for future use */
531 struct sndrv_rawmidi_params {
532 enum sndrv_rawmidi_stream stream;
533 size_t buffer_size; /* queue size in bytes */
534 size_t avail_min; /* minimum avail bytes for wakeup */
535 unsigned int no_active_sensing: 1; /* do not send active sensing byte in close() */
536 unsigned char reserved[16]; /* reserved for future use */
539 struct sndrv_rawmidi_status {
540 enum sndrv_rawmidi_stream stream;
541 struct timespec tstamp; /* Timestamp */
542 size_t avail; /* available bytes */
543 size_t xruns; /* count of overruns since last status (in bytes) */
544 unsigned char reserved[16]; /* reserved for future use */
548 SNDRV_RAWMIDI_IOCTL_PVERSION = _IOR('W', 0x00, int),
549 SNDRV_RAWMIDI_IOCTL_INFO = _IOR('W', 0x01, struct sndrv_rawmidi_info),
550 SNDRV_RAWMIDI_IOCTL_PARAMS = _IOWR('W', 0x10, struct sndrv_rawmidi_params),
551 SNDRV_RAWMIDI_IOCTL_STATUS = _IOWR('W', 0x20, struct sndrv_rawmidi_status),
552 SNDRV_RAWMIDI_IOCTL_DROP = _IOW('W', 0x30, int),
553 SNDRV_RAWMIDI_IOCTL_DRAIN = _IOW('W', 0x31, int),
557 * Timer section - /dev/snd/timer
560 #define SNDRV_TIMER_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 2)
562 enum sndrv_timer_class {
563 SNDRV_TIMER_CLASS_NONE = -1,
564 SNDRV_TIMER_CLASS_SLAVE = 0,
565 SNDRV_TIMER_CLASS_GLOBAL,
566 SNDRV_TIMER_CLASS_CARD,
567 SNDRV_TIMER_CLASS_PCM,
568 SNDRV_TIMER_CLASS_LAST = SNDRV_TIMER_CLASS_PCM,
571 /* slave timer classes */
572 enum sndrv_timer_slave_class {
573 SNDRV_TIMER_SCLASS_NONE = 0,
574 SNDRV_TIMER_SCLASS_APPLICATION,
575 SNDRV_TIMER_SCLASS_SEQUENCER, /* alias */
576 SNDRV_TIMER_SCLASS_OSS_SEQUENCER, /* alias */
577 SNDRV_TIMER_SCLASS_LAST = SNDRV_TIMER_SCLASS_OSS_SEQUENCER,
580 /* global timers (device member) */
581 #define SNDRV_TIMER_GLOBAL_SYSTEM 0
582 #define SNDRV_TIMER_GLOBAL_RTC 1
585 #define SNDRV_TIMER_FLG_SLAVE (1<<0) /* cannot be controlled */
587 struct sndrv_timer_id {
588 enum sndrv_timer_class dev_class;
589 enum sndrv_timer_slave_class dev_sclass;
595 struct sndrv_timer_ginfo {
596 struct sndrv_timer_id tid; /* requested timer ID */
597 unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */
598 int card; /* card number */
599 unsigned char id[64]; /* timer identification */
600 unsigned char name[80]; /* timer name */
601 unsigned long reserved0; /* reserved for future use */
602 unsigned long resolution; /* average period resolution in ns */
603 unsigned long resolution_min; /* minimal period resolution in ns */
604 unsigned long resolution_max; /* maximal period resolution in ns */
605 unsigned int clients; /* active timer clients */
606 unsigned char reserved[32];
609 struct sndrv_timer_gparams {
610 struct sndrv_timer_id tid; /* requested timer ID */
611 unsigned long period_num; /* requested precise period duration (in seconds) - numerator */
612 unsigned long period_den; /* requested precise period duration (in seconds) - denominator */
613 unsigned char reserved[32];
616 struct sndrv_timer_gstatus {
617 struct sndrv_timer_id tid; /* requested timer ID */
618 unsigned long resolution; /* current period resolution in ns */
619 unsigned long resolution_num; /* precise current period resolution (in seconds) - numerator */
620 unsigned long resolution_den; /* precise current period resolution (in seconds) - denominator */
621 unsigned char reserved[32];
624 struct sndrv_timer_select {
625 struct sndrv_timer_id id; /* bind to timer ID */
626 unsigned char reserved[32]; /* reserved */
629 struct sndrv_timer_info {
630 unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */
631 int card; /* card number */
632 unsigned char id[64]; /* timer identificator */
633 unsigned char name[80]; /* timer name */
634 unsigned long reserved0; /* reserved for future use */
635 unsigned long resolution; /* average period resolution in ns */
636 unsigned char reserved[64]; /* reserved */
639 #define SNDRV_TIMER_PSFLG_AUTO (1<<0) /* auto start, otherwise one-shot */
640 #define SNDRV_TIMER_PSFLG_EXCLUSIVE (1<<1) /* exclusive use, precise start/stop/pause/continue */
641 #define SNDRV_TIMER_PSFLG_EARLY_EVENT (1<<2) /* write early event to the poll queue */
643 struct sndrv_timer_params {
644 unsigned int flags; /* flags - SNDRV_MIXER_PSFLG_* */
645 unsigned int ticks; /* requested resolution in ticks */
646 unsigned int queue_size; /* total size of queue (32-1024) */
647 unsigned int reserved0; /* reserved, was: failure locations */
648 unsigned int filter; /* event filter (bitmask of SNDRV_TIMER_EVENT_*) */
649 unsigned char reserved[60]; /* reserved */
652 struct sndrv_timer_status {
653 struct timespec tstamp; /* Timestamp - last update */
654 unsigned int resolution; /* current period resolution in ns */
655 unsigned int lost; /* counter of master tick lost */
656 unsigned int overrun; /* count of read queue overruns */
657 unsigned int queue; /* used queue size */
658 unsigned char reserved[64]; /* reserved */
662 SNDRV_TIMER_IOCTL_PVERSION = _IOR('T', 0x00, int),
663 SNDRV_TIMER_IOCTL_NEXT_DEVICE = _IOWR('T', 0x01, struct sndrv_timer_id),
664 SNDRV_TIMER_IOCTL_TREAD = _IOW('T', 0x02, int),
665 SNDRV_TIMER_IOCTL_GINFO = _IOWR('T', 0x03, struct sndrv_timer_ginfo),
666 SNDRV_TIMER_IOCTL_GPARAMS = _IOW('T', 0x04, struct sndrv_timer_gparams),
667 SNDRV_TIMER_IOCTL_GSTATUS = _IOWR('T', 0x05, struct sndrv_timer_gstatus),
668 SNDRV_TIMER_IOCTL_SELECT = _IOW('T', 0x10, struct sndrv_timer_select),
669 SNDRV_TIMER_IOCTL_INFO = _IOR('T', 0x11, struct sndrv_timer_info),
670 SNDRV_TIMER_IOCTL_PARAMS = _IOW('T', 0x12, struct sndrv_timer_params),
671 SNDRV_TIMER_IOCTL_STATUS = _IOR('T', 0x14, struct sndrv_timer_status),
672 SNDRV_TIMER_IOCTL_START = _IO('T', 0x20),
673 SNDRV_TIMER_IOCTL_STOP = _IO('T', 0x21),
674 SNDRV_TIMER_IOCTL_CONTINUE = _IO('T', 0x22),
675 SNDRV_TIMER_IOCTL_PAUSE = _IO('T', 0x23),
678 struct sndrv_timer_read {
679 unsigned int resolution;
683 enum sndrv_timer_event {
684 SNDRV_TIMER_EVENT_RESOLUTION = 0, /* val = resolution in ns */
685 SNDRV_TIMER_EVENT_TICK, /* val = ticks */
686 SNDRV_TIMER_EVENT_START, /* val = resolution in ns */
687 SNDRV_TIMER_EVENT_STOP, /* val = 0 */
688 SNDRV_TIMER_EVENT_CONTINUE, /* val = resolution in ns */
689 SNDRV_TIMER_EVENT_PAUSE, /* val = 0 */
690 SNDRV_TIMER_EVENT_EARLY, /* val = 0, early event */
691 /* master timer events for slave timer instances */
692 SNDRV_TIMER_EVENT_MSTART = SNDRV_TIMER_EVENT_START + 10,
693 SNDRV_TIMER_EVENT_MSTOP = SNDRV_TIMER_EVENT_STOP + 10,
694 SNDRV_TIMER_EVENT_MCONTINUE = SNDRV_TIMER_EVENT_CONTINUE + 10,
695 SNDRV_TIMER_EVENT_MPAUSE = SNDRV_TIMER_EVENT_PAUSE + 10,
698 struct sndrv_timer_tread {
699 enum sndrv_timer_event event;
700 struct timespec tstamp;
704 /****************************************************************************
706 * Section for driver control interface - /dev/snd/control? *
708 ****************************************************************************/
710 #define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 3)
712 struct sndrv_ctl_card_info {
713 int card; /* card number */
714 int pad; /* reserved for future (was type) */
715 unsigned char id[16]; /* ID of card (user selectable) */
716 unsigned char driver[16]; /* Driver name */
717 unsigned char name[32]; /* Short name of soundcard */
718 unsigned char longname[80]; /* name + info text about soundcard */
719 unsigned char reserved_[16]; /* reserved for future (was ID of mixer) */
720 unsigned char mixername[80]; /* visual mixer identification */
721 unsigned char components[80]; /* card components / fine identification, delimited with one space (AC97 etc..) */
722 unsigned char reserved[48]; /* reserved for future */
725 enum sndrv_ctl_elem_type {
726 SNDRV_CTL_ELEM_TYPE_NONE = 0, /* invalid */
727 SNDRV_CTL_ELEM_TYPE_BOOLEAN, /* boolean type */
728 SNDRV_CTL_ELEM_TYPE_INTEGER, /* integer type */
729 SNDRV_CTL_ELEM_TYPE_ENUMERATED, /* enumerated type */
730 SNDRV_CTL_ELEM_TYPE_BYTES, /* byte array */
731 SNDRV_CTL_ELEM_TYPE_IEC958, /* IEC958 (S/PDIF) setup */
732 SNDRV_CTL_ELEM_TYPE_INTEGER64, /* 64-bit integer type */
733 SNDRV_CTL_ELEM_TYPE_LAST = SNDRV_CTL_ELEM_TYPE_INTEGER64,
736 enum sndrv_ctl_elem_iface {
737 SNDRV_CTL_ELEM_IFACE_CARD = 0, /* global control */
738 SNDRV_CTL_ELEM_IFACE_HWDEP, /* hardware dependent device */
739 SNDRV_CTL_ELEM_IFACE_MIXER, /* virtual mixer device */
740 SNDRV_CTL_ELEM_IFACE_PCM, /* PCM device */
741 SNDRV_CTL_ELEM_IFACE_RAWMIDI, /* RawMidi device */
742 SNDRV_CTL_ELEM_IFACE_TIMER, /* timer device */
743 SNDRV_CTL_ELEM_IFACE_SEQUENCER, /* sequencer client */
744 SNDRV_CTL_ELEM_IFACE_LAST = SNDRV_CTL_ELEM_IFACE_SEQUENCER,
747 #define SNDRV_CTL_ELEM_ACCESS_READ (1<<0)
748 #define SNDRV_CTL_ELEM_ACCESS_WRITE (1<<1)
749 #define SNDRV_CTL_ELEM_ACCESS_READWRITE (SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE)
750 #define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1<<2) /* control value may be changed without a notification */
751 #define SNDRV_CTL_ELEM_ACCESS_TIMESTAMP (1<<2) /* when was control changed */
752 #define SNDRV_CTL_ELEM_ACCESS_INACTIVE (1<<8) /* control does actually nothing, but may be updated */
753 #define SNDRV_CTL_ELEM_ACCESS_LOCK (1<<9) /* write lock */
754 #define SNDRV_CTL_ELEM_ACCESS_OWNER (1<<10) /* write lock owner */
755 #define SNDRV_CTL_ELEM_ACCESS_USER (1<<29) /* user space element */
756 #define SNDRV_CTL_ELEM_ACCESS_DINDIRECT (1<<30) /* indirect access for matrix dimensions in the info structure */
757 #define SNDRV_CTL_ELEM_ACCESS_INDIRECT (1<<31) /* indirect access for element value in the value structure */
759 /* for further details see the ACPI and PCI power management specification */
760 #define SNDRV_CTL_POWER_D0 0x0000 /* full On */
761 #define SNDRV_CTL_POWER_D1 0x0100 /* partial On */
762 #define SNDRV_CTL_POWER_D2 0x0200 /* partial On */
763 #define SNDRV_CTL_POWER_D3 0x0300 /* Off */
764 #define SNDRV_CTL_POWER_D3hot (SNDRV_CTL_POWER_D3|0x0000) /* Off, with power */
765 #define SNDRV_CTL_POWER_D3cold (SNDRV_CTL_POWER_D3|0x0001) /* Off, without power */
767 struct sndrv_ctl_elem_id {
768 unsigned int numid; /* numeric identifier, zero = invalid */
769 enum sndrv_ctl_elem_iface iface; /* interface identifier */
770 unsigned int device; /* device/client number */
771 unsigned int subdevice; /* subdevice (substream) number */
772 unsigned char name[44]; /* ASCII name of item */
773 unsigned int index; /* index of item */
776 struct sndrv_ctl_elem_list {
777 unsigned int offset; /* W: first element ID to get */
778 unsigned int space; /* W: count of element IDs to get */
779 unsigned int used; /* R: count of element IDs set */
780 unsigned int count; /* R: count of all elements */
781 struct sndrv_ctl_elem_id __user *pids; /* R: IDs */
782 unsigned char reserved[50];
785 struct sndrv_ctl_elem_info {
786 struct sndrv_ctl_elem_id id; /* W: element ID */
787 enum sndrv_ctl_elem_type type; /* R: value type - SNDRV_CTL_ELEM_TYPE_* */
788 unsigned int access; /* R: value access (bitmask) - SNDRV_CTL_ELEM_ACCESS_* */
789 unsigned int count; /* count of values */
790 pid_t owner; /* owner's PID of this control */
793 long min; /* R: minimum value */
794 long max; /* R: maximum value */
795 long step; /* R: step (0 variable) */
798 long long min; /* R: minimum value */
799 long long max; /* R: maximum value */
800 long long step; /* R: step (0 variable) */
803 unsigned int items; /* R: number of items */
804 unsigned int item; /* W: item number */
805 char name[64]; /* R: value name */
807 unsigned char reserved[128];
810 unsigned short d[4]; /* dimensions */
811 unsigned short *d_ptr; /* indirect */
813 unsigned char reserved[64-4*sizeof(unsigned short)];
816 struct sndrv_ctl_elem_value {
817 struct sndrv_ctl_elem_id id; /* W: element ID */
818 unsigned int indirect: 1; /* W: use indirect pointer (xxx_ptr member) */
826 long long *value_ptr;
829 unsigned int item[128];
830 unsigned int *item_ptr;
833 unsigned char data[512];
834 unsigned char *data_ptr;
836 struct sndrv_aes_iec958 iec958;
838 struct timespec tstamp;
839 unsigned char reserved[128-sizeof(struct timespec)];
843 SNDRV_CTL_IOCTL_PVERSION = _IOR('U', 0x00, int),
844 SNDRV_CTL_IOCTL_CARD_INFO = _IOR('U', 0x01, struct sndrv_ctl_card_info),
845 SNDRV_CTL_IOCTL_ELEM_LIST = _IOWR('U', 0x10, struct sndrv_ctl_elem_list),
846 SNDRV_CTL_IOCTL_ELEM_INFO = _IOWR('U', 0x11, struct sndrv_ctl_elem_info),
847 SNDRV_CTL_IOCTL_ELEM_READ = _IOWR('U', 0x12, struct sndrv_ctl_elem_value),
848 SNDRV_CTL_IOCTL_ELEM_WRITE = _IOWR('U', 0x13, struct sndrv_ctl_elem_value),
849 SNDRV_CTL_IOCTL_ELEM_LOCK = _IOW('U', 0x14, struct sndrv_ctl_elem_id),
850 SNDRV_CTL_IOCTL_ELEM_UNLOCK = _IOW('U', 0x15, struct sndrv_ctl_elem_id),
851 SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS = _IOWR('U', 0x16, int),
852 SNDRV_CTL_IOCTL_ELEM_ADD = _IOWR('U', 0x17, struct sndrv_ctl_elem_info),
853 SNDRV_CTL_IOCTL_ELEM_REPLACE = _IOWR('U', 0x18, struct sndrv_ctl_elem_info),
854 SNDRV_CTL_IOCTL_ELEM_REMOVE = _IOWR('U', 0x19, struct sndrv_ctl_elem_id),
855 SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE = _IOWR('U', 0x20, int),
856 SNDRV_CTL_IOCTL_HWDEP_INFO = _IOR('U', 0x21, struct sndrv_hwdep_info),
857 SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE = _IOR('U', 0x30, int),
858 SNDRV_CTL_IOCTL_PCM_INFO = _IOWR('U', 0x31, struct sndrv_pcm_info),
859 SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE = _IOW('U', 0x32, int),
860 SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE = _IOWR('U', 0x40, int),
861 SNDRV_CTL_IOCTL_RAWMIDI_INFO = _IOWR('U', 0x41, struct sndrv_rawmidi_info),
862 SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE = _IOW('U', 0x42, int),
863 SNDRV_CTL_IOCTL_POWER = _IOWR('U', 0xd0, int),
864 SNDRV_CTL_IOCTL_POWER_STATE = _IOR('U', 0xd1, int),
871 enum sndrv_ctl_event_type {
872 SNDRV_CTL_EVENT_ELEM = 0,
873 SNDRV_CTL_EVENT_LAST = SNDRV_CTL_EVENT_ELEM,
876 #define SNDRV_CTL_EVENT_MASK_VALUE (1<<0) /* element value was changed */
877 #define SNDRV_CTL_EVENT_MASK_INFO (1<<1) /* element info was changed */
878 #define SNDRV_CTL_EVENT_MASK_ADD (1<<2) /* element was added */
879 #define SNDRV_CTL_EVENT_MASK_REMOVE (~0U) /* element was removed */
881 struct sndrv_ctl_event {
882 enum sndrv_ctl_event_type type; /* event type - SNDRV_CTL_EVENT_* */
886 struct sndrv_ctl_elem_id id;
888 unsigned char data8[60];
896 #define SNDRV_CTL_NAME_NONE ""
897 #define SNDRV_CTL_NAME_PLAYBACK "Playback "
898 #define SNDRV_CTL_NAME_CAPTURE "Capture "
900 #define SNDRV_CTL_NAME_IEC958_NONE ""
901 #define SNDRV_CTL_NAME_IEC958_SWITCH "Switch"
902 #define SNDRV_CTL_NAME_IEC958_VOLUME "Volume"
903 #define SNDRV_CTL_NAME_IEC958_DEFAULT "Default"
904 #define SNDRV_CTL_NAME_IEC958_MASK "Mask"
905 #define SNDRV_CTL_NAME_IEC958_CON_MASK "Con Mask"
906 #define SNDRV_CTL_NAME_IEC958_PRO_MASK "Pro Mask"
907 #define SNDRV_CTL_NAME_IEC958_PCM_STREAM "PCM Stream"
908 #define SNDRV_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SNDRV_CTL_NAME_##direction SNDRV_CTL_NAME_IEC958_##what
915 const struct iovec *vector;
920 SNDRV_IOCTL_READV = _IOW('K', 0x00, struct sndrv_xferv),
921 SNDRV_IOCTL_WRITEV = _IOW('K', 0x01, struct sndrv_xferv),
924 #endif /* __SOUND_ASOUND_H */