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authorDavid Howells <dhowells@redhat.com>2012-10-09 04:49:13 -0400
committerDavid Howells <dhowells@redhat.com>2012-10-09 04:49:13 -0400
commit674e95ca446369e9ca40e4e92b214a616a52bcd6 (patch)
treec26f11819af6715384e87e0346f37df53912e2cd /include/sound/asound.h
parent9e2d8656f5e8aa214e66b462680cf86b210b74a8 (diff)
UAPI: (Scripted) Disintegrate include/sound
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'include/sound/asound.h')
-rw-r--r--include/sound/asound.h935
1 files changed, 1 insertions, 934 deletions
diff --git a/include/sound/asound.h b/include/sound/asound.h
index dfe7d441748c..c2dff5369d33 100644
--- a/include/sound/asound.h
+++ b/include/sound/asound.h
@@ -19,13 +19,9 @@
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * 20 *
21 */ 21 */
22
23#ifndef __SOUND_ASOUND_H 22#ifndef __SOUND_ASOUND_H
24#define __SOUND_ASOUND_H 23#define __SOUND_ASOUND_H
25 24
26#include <linux/types.h>
27
28#ifdef __KERNEL__
29#include <linux/ioctl.h> 25#include <linux/ioctl.h>
30#include <linux/time.h> 26#include <linux/time.h>
31#include <asm/byteorder.h> 27#include <asm/byteorder.h>
@@ -40,934 +36,5 @@
40#endif 36#endif
41#endif 37#endif
42 38
43#endif /* __KERNEL__ **/ 39#include <uapi/sound/asound.h>
44
45/*
46 * protocol version
47 */
48
49#define SNDRV_PROTOCOL_VERSION(major, minor, subminor) (((major)<<16)|((minor)<<8)|(subminor))
50#define SNDRV_PROTOCOL_MAJOR(version) (((version)>>16)&0xffff)
51#define SNDRV_PROTOCOL_MINOR(version) (((version)>>8)&0xff)
52#define SNDRV_PROTOCOL_MICRO(version) ((version)&0xff)
53#define SNDRV_PROTOCOL_INCOMPATIBLE(kversion, uversion) \
54 (SNDRV_PROTOCOL_MAJOR(kversion) != SNDRV_PROTOCOL_MAJOR(uversion) || \
55 (SNDRV_PROTOCOL_MAJOR(kversion) == SNDRV_PROTOCOL_MAJOR(uversion) && \
56 SNDRV_PROTOCOL_MINOR(kversion) != SNDRV_PROTOCOL_MINOR(uversion)))
57
58/****************************************************************************
59 * *
60 * Digital audio interface *
61 * *
62 ****************************************************************************/
63
64struct snd_aes_iec958 {
65 unsigned char status[24]; /* AES/IEC958 channel status bits */
66 unsigned char subcode[147]; /* AES/IEC958 subcode bits */
67 unsigned char pad; /* nothing */
68 unsigned char dig_subframe[4]; /* AES/IEC958 subframe bits */
69};
70
71/****************************************************************************
72 * *
73 * CEA-861 Audio InfoFrame. Used in HDMI and DisplayPort *
74 * *
75 ****************************************************************************/
76
77struct snd_cea_861_aud_if {
78 unsigned char db1_ct_cc; /* coding type and channel count */
79 unsigned char db2_sf_ss; /* sample frequency and size */
80 unsigned char db3; /* not used, all zeros */
81 unsigned char db4_ca; /* channel allocation code */
82 unsigned char db5_dminh_lsv; /* downmix inhibit & level-shit values */
83};
84
85/****************************************************************************
86 * *
87 * Section for driver hardware dependent interface - /dev/snd/hw? *
88 * *
89 ****************************************************************************/
90
91#define SNDRV_HWDEP_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1)
92
93enum {
94 SNDRV_HWDEP_IFACE_OPL2 = 0,
95 SNDRV_HWDEP_IFACE_OPL3,
96 SNDRV_HWDEP_IFACE_OPL4,
97 SNDRV_HWDEP_IFACE_SB16CSP, /* Creative Signal Processor */
98 SNDRV_HWDEP_IFACE_EMU10K1, /* FX8010 processor in EMU10K1 chip */
99 SNDRV_HWDEP_IFACE_YSS225, /* Yamaha FX processor */
100 SNDRV_HWDEP_IFACE_ICS2115, /* Wavetable synth */
101 SNDRV_HWDEP_IFACE_SSCAPE, /* Ensoniq SoundScape ISA card (MC68EC000) */
102 SNDRV_HWDEP_IFACE_VX, /* Digigram VX cards */
103 SNDRV_HWDEP_IFACE_MIXART, /* Digigram miXart cards */
104 SNDRV_HWDEP_IFACE_USX2Y, /* Tascam US122, US224 & US428 usb */
105 SNDRV_HWDEP_IFACE_EMUX_WAVETABLE, /* EmuX wavetable */
106 SNDRV_HWDEP_IFACE_BLUETOOTH, /* Bluetooth audio */
107 SNDRV_HWDEP_IFACE_USX2Y_PCM, /* Tascam US122, US224 & US428 rawusb pcm */
108 SNDRV_HWDEP_IFACE_PCXHR, /* Digigram PCXHR */
109 SNDRV_HWDEP_IFACE_SB_RC, /* SB Extigy/Audigy2NX remote control */
110 SNDRV_HWDEP_IFACE_HDA, /* HD-audio */
111 SNDRV_HWDEP_IFACE_USB_STREAM, /* direct access to usb stream */
112
113 /* Don't forget to change the following: */
114 SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_USB_STREAM
115};
116
117struct 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 */
127struct 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
136struct 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
155#define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 10)
156
157typedef unsigned long snd_pcm_uframes_t;
158typedef signed long snd_pcm_sframes_t;
159
160enum {
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
169enum {
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
176enum {
177 SNDRV_PCM_STREAM_PLAYBACK = 0,
178 SNDRV_PCM_STREAM_CAPTURE,
179 SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE,
180};
181
182typedef 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
190typedef 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 */
233#define SNDRV_PCM_FORMAT_LAST SNDRV_PCM_FORMAT_G723_40_1B
234
235#ifdef SNDRV_LITTLE_ENDIAN
236#define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_LE
237#define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_LE
238#define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_LE
239#define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_LE
240#define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_LE
241#define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_LE
242#define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_LE
243#define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_LE
244#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE
245#endif
246#ifdef SNDRV_BIG_ENDIAN
247#define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_BE
248#define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_BE
249#define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_BE
250#define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_BE
251#define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_BE
252#define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_BE
253#define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_BE
254#define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_BE
255#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE
256#endif
257
258typedef int __bitwise snd_pcm_subformat_t;
259#define SNDRV_PCM_SUBFORMAT_STD ((__force snd_pcm_subformat_t) 0)
260#define SNDRV_PCM_SUBFORMAT_LAST SNDRV_PCM_SUBFORMAT_STD
261
262#define SNDRV_PCM_INFO_MMAP 0x00000001 /* hardware supports mmap */
263#define SNDRV_PCM_INFO_MMAP_VALID 0x00000002 /* period data are valid during transfer */
264#define SNDRV_PCM_INFO_DOUBLE 0x00000004 /* Double buffering needed for PCM start/stop */
265#define SNDRV_PCM_INFO_BATCH 0x00000010 /* double buffering */
266#define SNDRV_PCM_INFO_INTERLEAVED 0x00000100 /* channels are interleaved */
267#define SNDRV_PCM_INFO_NONINTERLEAVED 0x00000200 /* channels are not interleaved */
268#define SNDRV_PCM_INFO_COMPLEX 0x00000400 /* complex frame organization (mmap only) */
269#define SNDRV_PCM_INFO_BLOCK_TRANSFER 0x00010000 /* hardware transfer block of samples */
270#define SNDRV_PCM_INFO_OVERRANGE 0x00020000 /* hardware supports ADC (capture) overrange detection */
271#define SNDRV_PCM_INFO_RESUME 0x00040000 /* hardware supports stream resume after suspend */
272#define SNDRV_PCM_INFO_PAUSE 0x00080000 /* pause ioctl is supported */
273#define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000 /* only half duplex */
274#define SNDRV_PCM_INFO_JOINT_DUPLEX 0x00200000 /* playback and capture stream are somewhat correlated */
275#define SNDRV_PCM_INFO_SYNC_START 0x00400000 /* pcm support some kind of sync go */
276#define SNDRV_PCM_INFO_NO_PERIOD_WAKEUP 0x00800000 /* period wakeup can be disabled */
277#define SNDRV_PCM_INFO_FIFO_IN_FRAMES 0x80000000 /* internal kernel flag - FIFO size is in frames */
278
279typedef int __bitwise snd_pcm_state_t;
280#define SNDRV_PCM_STATE_OPEN ((__force snd_pcm_state_t) 0) /* stream is open */
281#define SNDRV_PCM_STATE_SETUP ((__force snd_pcm_state_t) 1) /* stream has a setup */
282#define SNDRV_PCM_STATE_PREPARED ((__force snd_pcm_state_t) 2) /* stream is ready to start */
283#define SNDRV_PCM_STATE_RUNNING ((__force snd_pcm_state_t) 3) /* stream is running */
284#define SNDRV_PCM_STATE_XRUN ((__force snd_pcm_state_t) 4) /* stream reached an xrun */
285#define SNDRV_PCM_STATE_DRAINING ((__force snd_pcm_state_t) 5) /* stream is draining */
286#define SNDRV_PCM_STATE_PAUSED ((__force snd_pcm_state_t) 6) /* stream is paused */
287#define SNDRV_PCM_STATE_SUSPENDED ((__force snd_pcm_state_t) 7) /* hardware is suspended */
288#define SNDRV_PCM_STATE_DISCONNECTED ((__force snd_pcm_state_t) 8) /* hardware is disconnected */
289#define SNDRV_PCM_STATE_LAST SNDRV_PCM_STATE_DISCONNECTED
290
291enum {
292 SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000,
293 SNDRV_PCM_MMAP_OFFSET_STATUS = 0x80000000,
294 SNDRV_PCM_MMAP_OFFSET_CONTROL = 0x81000000,
295};
296
297union snd_pcm_sync_id {
298 unsigned char id[16];
299 unsigned short id16[8];
300 unsigned int id32[4];
301};
302
303struct snd_pcm_info {
304 unsigned int device; /* RO/WR (control): device number */
305 unsigned int subdevice; /* RO/WR (control): subdevice number */
306 int stream; /* RO/WR (control): stream direction */
307 int card; /* R: card number */
308 unsigned char id[64]; /* ID (user selectable) */
309 unsigned char name[80]; /* name of this device */
310 unsigned char subname[32]; /* subdevice name */
311 int dev_class; /* SNDRV_PCM_CLASS_* */
312 int dev_subclass; /* SNDRV_PCM_SUBCLASS_* */
313 unsigned int subdevices_count;
314 unsigned int subdevices_avail;
315 union snd_pcm_sync_id sync; /* hardware synchronization ID */
316 unsigned char reserved[64]; /* reserved for future... */
317};
318
319typedef int snd_pcm_hw_param_t;
320#define SNDRV_PCM_HW_PARAM_ACCESS 0 /* Access type */
321#define SNDRV_PCM_HW_PARAM_FORMAT 1 /* Format */
322#define SNDRV_PCM_HW_PARAM_SUBFORMAT 2 /* Subformat */
323#define SNDRV_PCM_HW_PARAM_FIRST_MASK SNDRV_PCM_HW_PARAM_ACCESS
324#define SNDRV_PCM_HW_PARAM_LAST_MASK SNDRV_PCM_HW_PARAM_SUBFORMAT
325
326#define SNDRV_PCM_HW_PARAM_SAMPLE_BITS 8 /* Bits per sample */
327#define SNDRV_PCM_HW_PARAM_FRAME_BITS 9 /* Bits per frame */
328#define SNDRV_PCM_HW_PARAM_CHANNELS 10 /* Channels */
329#define SNDRV_PCM_HW_PARAM_RATE 11 /* Approx rate */
330#define SNDRV_PCM_HW_PARAM_PERIOD_TIME 12 /* Approx distance between
331 * interrupts in us
332 */
333#define SNDRV_PCM_HW_PARAM_PERIOD_SIZE 13 /* Approx frames between
334 * interrupts
335 */
336#define SNDRV_PCM_HW_PARAM_PERIOD_BYTES 14 /* Approx bytes between
337 * interrupts
338 */
339#define SNDRV_PCM_HW_PARAM_PERIODS 15 /* Approx interrupts per
340 * buffer
341 */
342#define SNDRV_PCM_HW_PARAM_BUFFER_TIME 16 /* Approx duration of buffer
343 * in us
344 */
345#define SNDRV_PCM_HW_PARAM_BUFFER_SIZE 17 /* Size of buffer in frames */
346#define SNDRV_PCM_HW_PARAM_BUFFER_BYTES 18 /* Size of buffer in bytes */
347#define SNDRV_PCM_HW_PARAM_TICK_TIME 19 /* Approx tick duration in us */
348#define SNDRV_PCM_HW_PARAM_FIRST_INTERVAL SNDRV_PCM_HW_PARAM_SAMPLE_BITS
349#define SNDRV_PCM_HW_PARAM_LAST_INTERVAL SNDRV_PCM_HW_PARAM_TICK_TIME
350
351#define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1<<0) /* avoid rate resampling */
352#define SNDRV_PCM_HW_PARAMS_EXPORT_BUFFER (1<<1) /* export buffer */
353#define SNDRV_PCM_HW_PARAMS_NO_PERIOD_WAKEUP (1<<2) /* disable period wakeups */
354
355struct snd_interval {
356 unsigned int min, max;
357 unsigned int openmin:1,
358 openmax:1,
359 integer:1,
360 empty:1;
361};
362
363#define SNDRV_MASK_MAX 256
364
365struct snd_mask {
366 __u32 bits[(SNDRV_MASK_MAX+31)/32];
367};
368
369struct snd_pcm_hw_params {
370 unsigned int flags;
371 struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK -
372 SNDRV_PCM_HW_PARAM_FIRST_MASK + 1];
373 struct snd_mask mres[5]; /* reserved masks */
374 struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL -
375 SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1];
376 struct snd_interval ires[9]; /* reserved intervals */
377 unsigned int rmask; /* W: requested masks */
378 unsigned int cmask; /* R: changed masks */
379 unsigned int info; /* R: Info flags for returned setup */
380 unsigned int msbits; /* R: used most significant bits */
381 unsigned int rate_num; /* R: rate numerator */
382 unsigned int rate_den; /* R: rate denominator */
383 snd_pcm_uframes_t fifo_size; /* R: chip FIFO size in frames */
384 unsigned char reserved[64]; /* reserved for future */
385};
386
387enum {
388 SNDRV_PCM_TSTAMP_NONE = 0,
389 SNDRV_PCM_TSTAMP_ENABLE,
390 SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_ENABLE,
391};
392
393struct snd_pcm_sw_params {
394 int tstamp_mode; /* timestamp mode */
395 unsigned int period_step;
396 unsigned int sleep_min; /* min ticks to sleep */
397 snd_pcm_uframes_t avail_min; /* min avail frames for wakeup */
398 snd_pcm_uframes_t xfer_align; /* obsolete: xfer size need to be a multiple */
399 snd_pcm_uframes_t start_threshold; /* min hw_avail frames for automatic start */
400 snd_pcm_uframes_t stop_threshold; /* min avail frames for automatic stop */
401 snd_pcm_uframes_t silence_threshold; /* min distance from noise for silence filling */
402 snd_pcm_uframes_t silence_size; /* silence block size */
403 snd_pcm_uframes_t boundary; /* pointers wrap point */
404 unsigned char reserved[64]; /* reserved for future */
405};
406
407struct snd_pcm_channel_info {
408 unsigned int channel;
409 __kernel_off_t offset; /* mmap offset */
410 unsigned int first; /* offset to first sample in bits */
411 unsigned int step; /* samples distance in bits */
412};
413
414struct snd_pcm_status {
415 snd_pcm_state_t state; /* stream state */
416 struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */
417 struct timespec tstamp; /* reference timestamp */
418 snd_pcm_uframes_t appl_ptr; /* appl ptr */
419 snd_pcm_uframes_t hw_ptr; /* hw ptr */
420 snd_pcm_sframes_t delay; /* current delay in frames */
421 snd_pcm_uframes_t avail; /* number of frames available */
422 snd_pcm_uframes_t avail_max; /* max frames available on hw since last status */
423 snd_pcm_uframes_t overrange; /* count of ADC (capture) overrange detections from last status */
424 snd_pcm_state_t suspended_state; /* suspended stream state */
425 unsigned char reserved[60]; /* must be filled with zero */
426};
427
428struct snd_pcm_mmap_status {
429 snd_pcm_state_t state; /* RO: state - SNDRV_PCM_STATE_XXXX */
430 int pad1; /* Needed for 64 bit alignment */
431 snd_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */
432 struct timespec tstamp; /* Timestamp */
433 snd_pcm_state_t suspended_state; /* RO: suspended stream state */
434};
435
436struct snd_pcm_mmap_control {
437 snd_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */
438 snd_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */
439};
440
441#define SNDRV_PCM_SYNC_PTR_HWSYNC (1<<0) /* execute hwsync */
442#define SNDRV_PCM_SYNC_PTR_APPL (1<<1) /* get appl_ptr from driver (r/w op) */
443#define SNDRV_PCM_SYNC_PTR_AVAIL_MIN (1<<2) /* get avail_min from driver */
444
445struct snd_pcm_sync_ptr {
446 unsigned int flags;
447 union {
448 struct snd_pcm_mmap_status status;
449 unsigned char reserved[64];
450 } s;
451 union {
452 struct snd_pcm_mmap_control control;
453 unsigned char reserved[64];
454 } c;
455};
456
457struct snd_xferi {
458 snd_pcm_sframes_t result;
459 void __user *buf;
460 snd_pcm_uframes_t frames;
461};
462
463struct snd_xfern {
464 snd_pcm_sframes_t result;
465 void __user * __user *bufs;
466 snd_pcm_uframes_t frames;
467};
468
469enum {
470 SNDRV_PCM_TSTAMP_TYPE_GETTIMEOFDAY = 0, /* gettimeofday equivalent */
471 SNDRV_PCM_TSTAMP_TYPE_MONOTONIC, /* posix_clock_monotonic equivalent */
472 SNDRV_PCM_TSTAMP_TYPE_LAST = SNDRV_PCM_TSTAMP_TYPE_MONOTONIC,
473};
474
475/* channel positions */
476enum {
477 SNDRV_CHMAP_UNKNOWN = 0,
478 SNDRV_CHMAP_NA, /* N/A, silent */
479 SNDRV_CHMAP_MONO, /* mono stream */
480 /* this follows the alsa-lib mixer channel value + 3 */
481 SNDRV_CHMAP_FL, /* front left */
482 SNDRV_CHMAP_FR, /* front right */
483 SNDRV_CHMAP_RL, /* rear left */
484 SNDRV_CHMAP_RR, /* rear right */
485 SNDRV_CHMAP_FC, /* front center */
486 SNDRV_CHMAP_LFE, /* LFE */
487 SNDRV_CHMAP_SL, /* side left */
488 SNDRV_CHMAP_SR, /* side right */
489 SNDRV_CHMAP_RC, /* rear center */
490 /* new definitions */
491 SNDRV_CHMAP_FLC, /* front left center */
492 SNDRV_CHMAP_FRC, /* front right center */
493 SNDRV_CHMAP_RLC, /* rear left center */
494 SNDRV_CHMAP_RRC, /* rear right center */
495 SNDRV_CHMAP_FLW, /* front left wide */
496 SNDRV_CHMAP_FRW, /* front right wide */
497 SNDRV_CHMAP_FLH, /* front left high */
498 SNDRV_CHMAP_FCH, /* front center high */
499 SNDRV_CHMAP_FRH, /* front right high */
500 SNDRV_CHMAP_TC, /* top center */
501 SNDRV_CHMAP_TFL, /* top front left */
502 SNDRV_CHMAP_TFR, /* top front right */
503 SNDRV_CHMAP_TFC, /* top front center */
504 SNDRV_CHMAP_TRL, /* top rear left */
505 SNDRV_CHMAP_TRR, /* top rear right */
506 SNDRV_CHMAP_TRC, /* top rear center */
507 SNDRV_CHMAP_LAST = SNDRV_CHMAP_TRC,
508};
509
510#define SNDRV_CHMAP_POSITION_MASK 0xffff
511#define SNDRV_CHMAP_PHASE_INVERSE (0x01 << 16)
512#define SNDRV_CHMAP_DRIVER_SPEC (0x02 << 16)
513
514#define SNDRV_PCM_IOCTL_PVERSION _IOR('A', 0x00, int)
515#define SNDRV_PCM_IOCTL_INFO _IOR('A', 0x01, struct snd_pcm_info)
516#define SNDRV_PCM_IOCTL_TSTAMP _IOW('A', 0x02, int)
517#define SNDRV_PCM_IOCTL_TTSTAMP _IOW('A', 0x03, int)
518#define SNDRV_PCM_IOCTL_HW_REFINE _IOWR('A', 0x10, struct snd_pcm_hw_params)
519#define SNDRV_PCM_IOCTL_HW_PARAMS _IOWR('A', 0x11, struct snd_pcm_hw_params)
520#define SNDRV_PCM_IOCTL_HW_FREE _IO('A', 0x12)
521#define SNDRV_PCM_IOCTL_SW_PARAMS _IOWR('A', 0x13, struct snd_pcm_sw_params)
522#define SNDRV_PCM_IOCTL_STATUS _IOR('A', 0x20, struct snd_pcm_status)
523#define SNDRV_PCM_IOCTL_DELAY _IOR('A', 0x21, snd_pcm_sframes_t)
524#define SNDRV_PCM_IOCTL_HWSYNC _IO('A', 0x22)
525#define SNDRV_PCM_IOCTL_SYNC_PTR _IOWR('A', 0x23, struct snd_pcm_sync_ptr)
526#define SNDRV_PCM_IOCTL_CHANNEL_INFO _IOR('A', 0x32, struct snd_pcm_channel_info)
527#define SNDRV_PCM_IOCTL_PREPARE _IO('A', 0x40)
528#define SNDRV_PCM_IOCTL_RESET _IO('A', 0x41)
529#define SNDRV_PCM_IOCTL_START _IO('A', 0x42)
530#define SNDRV_PCM_IOCTL_DROP _IO('A', 0x43)
531#define SNDRV_PCM_IOCTL_DRAIN _IO('A', 0x44)
532#define SNDRV_PCM_IOCTL_PAUSE _IOW('A', 0x45, int)
533#define SNDRV_PCM_IOCTL_REWIND _IOW('A', 0x46, snd_pcm_uframes_t)
534#define SNDRV_PCM_IOCTL_RESUME _IO('A', 0x47)
535#define SNDRV_PCM_IOCTL_XRUN _IO('A', 0x48)
536#define SNDRV_PCM_IOCTL_FORWARD _IOW('A', 0x49, snd_pcm_uframes_t)
537#define SNDRV_PCM_IOCTL_WRITEI_FRAMES _IOW('A', 0x50, struct snd_xferi)
538#define SNDRV_PCM_IOCTL_READI_FRAMES _IOR('A', 0x51, struct snd_xferi)
539#define SNDRV_PCM_IOCTL_WRITEN_FRAMES _IOW('A', 0x52, struct snd_xfern)
540#define SNDRV_PCM_IOCTL_READN_FRAMES _IOR('A', 0x53, struct snd_xfern)
541#define SNDRV_PCM_IOCTL_LINK _IOW('A', 0x60, int)
542#define SNDRV_PCM_IOCTL_UNLINK _IO('A', 0x61)
543
544/*****************************************************************************
545 * *
546 * MIDI v1.0 interface *
547 * *
548 *****************************************************************************/
549
550/*
551 * Raw MIDI section - /dev/snd/midi??
552 */
553
554#define SNDRV_RAWMIDI_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 0)
555
556enum {
557 SNDRV_RAWMIDI_STREAM_OUTPUT = 0,
558 SNDRV_RAWMIDI_STREAM_INPUT,
559 SNDRV_RAWMIDI_STREAM_LAST = SNDRV_RAWMIDI_STREAM_INPUT,
560};
561
562#define SNDRV_RAWMIDI_INFO_OUTPUT 0x00000001
563#define SNDRV_RAWMIDI_INFO_INPUT 0x00000002
564#define SNDRV_RAWMIDI_INFO_DUPLEX 0x00000004
565
566struct snd_rawmidi_info {
567 unsigned int device; /* RO/WR (control): device number */
568 unsigned int subdevice; /* RO/WR (control): subdevice number */
569 int stream; /* WR: stream */
570 int card; /* R: card number */
571 unsigned int flags; /* SNDRV_RAWMIDI_INFO_XXXX */
572 unsigned char id[64]; /* ID (user selectable) */
573 unsigned char name[80]; /* name of device */
574 unsigned char subname[32]; /* name of active or selected subdevice */
575 unsigned int subdevices_count;
576 unsigned int subdevices_avail;
577 unsigned char reserved[64]; /* reserved for future use */
578};
579
580struct snd_rawmidi_params {
581 int stream;
582 size_t buffer_size; /* queue size in bytes */
583 size_t avail_min; /* minimum avail bytes for wakeup */
584 unsigned int no_active_sensing: 1; /* do not send active sensing byte in close() */
585 unsigned char reserved[16]; /* reserved for future use */
586};
587
588struct snd_rawmidi_status {
589 int stream;
590 struct timespec tstamp; /* Timestamp */
591 size_t avail; /* available bytes */
592 size_t xruns; /* count of overruns since last status (in bytes) */
593 unsigned char reserved[16]; /* reserved for future use */
594};
595
596#define SNDRV_RAWMIDI_IOCTL_PVERSION _IOR('W', 0x00, int)
597#define SNDRV_RAWMIDI_IOCTL_INFO _IOR('W', 0x01, struct snd_rawmidi_info)
598#define SNDRV_RAWMIDI_IOCTL_PARAMS _IOWR('W', 0x10, struct snd_rawmidi_params)
599#define SNDRV_RAWMIDI_IOCTL_STATUS _IOWR('W', 0x20, struct snd_rawmidi_status)
600#define SNDRV_RAWMIDI_IOCTL_DROP _IOW('W', 0x30, int)
601#define SNDRV_RAWMIDI_IOCTL_DRAIN _IOW('W', 0x31, int)
602
603/*
604 * Timer section - /dev/snd/timer
605 */
606
607#define SNDRV_TIMER_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 6)
608
609enum {
610 SNDRV_TIMER_CLASS_NONE = -1,
611 SNDRV_TIMER_CLASS_SLAVE = 0,
612 SNDRV_TIMER_CLASS_GLOBAL,
613 SNDRV_TIMER_CLASS_CARD,
614 SNDRV_TIMER_CLASS_PCM,
615 SNDRV_TIMER_CLASS_LAST = SNDRV_TIMER_CLASS_PCM,
616};
617
618/* slave timer classes */
619enum {
620 SNDRV_TIMER_SCLASS_NONE = 0,
621 SNDRV_TIMER_SCLASS_APPLICATION,
622 SNDRV_TIMER_SCLASS_SEQUENCER, /* alias */
623 SNDRV_TIMER_SCLASS_OSS_SEQUENCER, /* alias */
624 SNDRV_TIMER_SCLASS_LAST = SNDRV_TIMER_SCLASS_OSS_SEQUENCER,
625};
626
627/* global timers (device member) */
628#define SNDRV_TIMER_GLOBAL_SYSTEM 0
629#define SNDRV_TIMER_GLOBAL_RTC 1
630#define SNDRV_TIMER_GLOBAL_HPET 2
631#define SNDRV_TIMER_GLOBAL_HRTIMER 3
632
633/* info flags */
634#define SNDRV_TIMER_FLG_SLAVE (1<<0) /* cannot be controlled */
635
636struct snd_timer_id {
637 int dev_class;
638 int dev_sclass;
639 int card;
640 int device;
641 int subdevice;
642};
643
644struct snd_timer_ginfo {
645 struct snd_timer_id tid; /* requested timer ID */
646 unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */
647 int card; /* card number */
648 unsigned char id[64]; /* timer identification */
649 unsigned char name[80]; /* timer name */
650 unsigned long reserved0; /* reserved for future use */
651 unsigned long resolution; /* average period resolution in ns */
652 unsigned long resolution_min; /* minimal period resolution in ns */
653 unsigned long resolution_max; /* maximal period resolution in ns */
654 unsigned int clients; /* active timer clients */
655 unsigned char reserved[32];
656};
657
658struct snd_timer_gparams {
659 struct snd_timer_id tid; /* requested timer ID */
660 unsigned long period_num; /* requested precise period duration (in seconds) - numerator */
661 unsigned long period_den; /* requested precise period duration (in seconds) - denominator */
662 unsigned char reserved[32];
663};
664
665struct snd_timer_gstatus {
666 struct snd_timer_id tid; /* requested timer ID */
667 unsigned long resolution; /* current period resolution in ns */
668 unsigned long resolution_num; /* precise current period resolution (in seconds) - numerator */
669 unsigned long resolution_den; /* precise current period resolution (in seconds) - denominator */
670 unsigned char reserved[32];
671};
672
673struct snd_timer_select {
674 struct snd_timer_id id; /* bind to timer ID */
675 unsigned char reserved[32]; /* reserved */
676};
677
678struct snd_timer_info {
679 unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */
680 int card; /* card number */
681 unsigned char id[64]; /* timer identificator */
682 unsigned char name[80]; /* timer name */
683 unsigned long reserved0; /* reserved for future use */
684 unsigned long resolution; /* average period resolution in ns */
685 unsigned char reserved[64]; /* reserved */
686};
687
688#define SNDRV_TIMER_PSFLG_AUTO (1<<0) /* auto start, otherwise one-shot */
689#define SNDRV_TIMER_PSFLG_EXCLUSIVE (1<<1) /* exclusive use, precise start/stop/pause/continue */
690#define SNDRV_TIMER_PSFLG_EARLY_EVENT (1<<2) /* write early event to the poll queue */
691
692struct snd_timer_params {
693 unsigned int flags; /* flags - SNDRV_MIXER_PSFLG_* */
694 unsigned int ticks; /* requested resolution in ticks */
695 unsigned int queue_size; /* total size of queue (32-1024) */
696 unsigned int reserved0; /* reserved, was: failure locations */
697 unsigned int filter; /* event filter (bitmask of SNDRV_TIMER_EVENT_*) */
698 unsigned char reserved[60]; /* reserved */
699};
700
701struct snd_timer_status {
702 struct timespec tstamp; /* Timestamp - last update */
703 unsigned int resolution; /* current period resolution in ns */
704 unsigned int lost; /* counter of master tick lost */
705 unsigned int overrun; /* count of read queue overruns */
706 unsigned int queue; /* used queue size */
707 unsigned char reserved[64]; /* reserved */
708};
709
710#define SNDRV_TIMER_IOCTL_PVERSION _IOR('T', 0x00, int)
711#define SNDRV_TIMER_IOCTL_NEXT_DEVICE _IOWR('T', 0x01, struct snd_timer_id)
712#define SNDRV_TIMER_IOCTL_TREAD _IOW('T', 0x02, int)
713#define SNDRV_TIMER_IOCTL_GINFO _IOWR('T', 0x03, struct snd_timer_ginfo)
714#define SNDRV_TIMER_IOCTL_GPARAMS _IOW('T', 0x04, struct snd_timer_gparams)
715#define SNDRV_TIMER_IOCTL_GSTATUS _IOWR('T', 0x05, struct snd_timer_gstatus)
716#define SNDRV_TIMER_IOCTL_SELECT _IOW('T', 0x10, struct snd_timer_select)
717#define SNDRV_TIMER_IOCTL_INFO _IOR('T', 0x11, struct snd_timer_info)
718#define SNDRV_TIMER_IOCTL_PARAMS _IOW('T', 0x12, struct snd_timer_params)
719#define SNDRV_TIMER_IOCTL_STATUS _IOR('T', 0x14, struct snd_timer_status)
720/* The following four ioctls are changed since 1.0.9 due to confliction */
721#define SNDRV_TIMER_IOCTL_START _IO('T', 0xa0)
722#define SNDRV_TIMER_IOCTL_STOP _IO('T', 0xa1)
723#define SNDRV_TIMER_IOCTL_CONTINUE _IO('T', 0xa2)
724#define SNDRV_TIMER_IOCTL_PAUSE _IO('T', 0xa3)
725
726struct snd_timer_read {
727 unsigned int resolution;
728 unsigned int ticks;
729};
730
731enum {
732 SNDRV_TIMER_EVENT_RESOLUTION = 0, /* val = resolution in ns */
733 SNDRV_TIMER_EVENT_TICK, /* val = ticks */
734 SNDRV_TIMER_EVENT_START, /* val = resolution in ns */
735 SNDRV_TIMER_EVENT_STOP, /* val = 0 */
736 SNDRV_TIMER_EVENT_CONTINUE, /* val = resolution in ns */
737 SNDRV_TIMER_EVENT_PAUSE, /* val = 0 */
738 SNDRV_TIMER_EVENT_EARLY, /* val = 0, early event */
739 SNDRV_TIMER_EVENT_SUSPEND, /* val = 0 */
740 SNDRV_TIMER_EVENT_RESUME, /* val = resolution in ns */
741 /* master timer events for slave timer instances */
742 SNDRV_TIMER_EVENT_MSTART = SNDRV_TIMER_EVENT_START + 10,
743 SNDRV_TIMER_EVENT_MSTOP = SNDRV_TIMER_EVENT_STOP + 10,
744 SNDRV_TIMER_EVENT_MCONTINUE = SNDRV_TIMER_EVENT_CONTINUE + 10,
745 SNDRV_TIMER_EVENT_MPAUSE = SNDRV_TIMER_EVENT_PAUSE + 10,
746 SNDRV_TIMER_EVENT_MSUSPEND = SNDRV_TIMER_EVENT_SUSPEND + 10,
747 SNDRV_TIMER_EVENT_MRESUME = SNDRV_TIMER_EVENT_RESUME + 10,
748};
749
750struct snd_timer_tread {
751 int event;
752 struct timespec tstamp;
753 unsigned int val;
754};
755
756/****************************************************************************
757 * *
758 * Section for driver control interface - /dev/snd/control? *
759 * *
760 ****************************************************************************/
761
762#define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 7)
763
764struct snd_ctl_card_info {
765 int card; /* card number */
766 int pad; /* reserved for future (was type) */
767 unsigned char id[16]; /* ID of card (user selectable) */
768 unsigned char driver[16]; /* Driver name */
769 unsigned char name[32]; /* Short name of soundcard */
770 unsigned char longname[80]; /* name + info text about soundcard */
771 unsigned char reserved_[16]; /* reserved for future (was ID of mixer) */
772 unsigned char mixername[80]; /* visual mixer identification */
773 unsigned char components[128]; /* card components / fine identification, delimited with one space (AC97 etc..) */
774};
775
776typedef int __bitwise snd_ctl_elem_type_t;
777#define SNDRV_CTL_ELEM_TYPE_NONE ((__force snd_ctl_elem_type_t) 0) /* invalid */
778#define SNDRV_CTL_ELEM_TYPE_BOOLEAN ((__force snd_ctl_elem_type_t) 1) /* boolean type */
779#define SNDRV_CTL_ELEM_TYPE_INTEGER ((__force snd_ctl_elem_type_t) 2) /* integer type */
780#define SNDRV_CTL_ELEM_TYPE_ENUMERATED ((__force snd_ctl_elem_type_t) 3) /* enumerated type */
781#define SNDRV_CTL_ELEM_TYPE_BYTES ((__force snd_ctl_elem_type_t) 4) /* byte array */
782#define SNDRV_CTL_ELEM_TYPE_IEC958 ((__force snd_ctl_elem_type_t) 5) /* IEC958 (S/PDIF) setup */
783#define SNDRV_CTL_ELEM_TYPE_INTEGER64 ((__force snd_ctl_elem_type_t) 6) /* 64-bit integer type */
784#define SNDRV_CTL_ELEM_TYPE_LAST SNDRV_CTL_ELEM_TYPE_INTEGER64
785
786typedef int __bitwise snd_ctl_elem_iface_t;
787#define SNDRV_CTL_ELEM_IFACE_CARD ((__force snd_ctl_elem_iface_t) 0) /* global control */
788#define SNDRV_CTL_ELEM_IFACE_HWDEP ((__force snd_ctl_elem_iface_t) 1) /* hardware dependent device */
789#define SNDRV_CTL_ELEM_IFACE_MIXER ((__force snd_ctl_elem_iface_t) 2) /* virtual mixer device */
790#define SNDRV_CTL_ELEM_IFACE_PCM ((__force snd_ctl_elem_iface_t) 3) /* PCM device */
791#define SNDRV_CTL_ELEM_IFACE_RAWMIDI ((__force snd_ctl_elem_iface_t) 4) /* RawMidi device */
792#define SNDRV_CTL_ELEM_IFACE_TIMER ((__force snd_ctl_elem_iface_t) 5) /* timer device */
793#define SNDRV_CTL_ELEM_IFACE_SEQUENCER ((__force snd_ctl_elem_iface_t) 6) /* sequencer client */
794#define SNDRV_CTL_ELEM_IFACE_LAST SNDRV_CTL_ELEM_IFACE_SEQUENCER
795
796#define SNDRV_CTL_ELEM_ACCESS_READ (1<<0)
797#define SNDRV_CTL_ELEM_ACCESS_WRITE (1<<1)
798#define SNDRV_CTL_ELEM_ACCESS_READWRITE (SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE)
799#define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1<<2) /* control value may be changed without a notification */
800#define SNDRV_CTL_ELEM_ACCESS_TIMESTAMP (1<<3) /* when was control changed */
801#define SNDRV_CTL_ELEM_ACCESS_TLV_READ (1<<4) /* TLV read is possible */
802#define SNDRV_CTL_ELEM_ACCESS_TLV_WRITE (1<<5) /* TLV write is possible */
803#define SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE (SNDRV_CTL_ELEM_ACCESS_TLV_READ|SNDRV_CTL_ELEM_ACCESS_TLV_WRITE)
804#define SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND (1<<6) /* TLV command is possible */
805#define SNDRV_CTL_ELEM_ACCESS_INACTIVE (1<<8) /* control does actually nothing, but may be updated */
806#define SNDRV_CTL_ELEM_ACCESS_LOCK (1<<9) /* write lock */
807#define SNDRV_CTL_ELEM_ACCESS_OWNER (1<<10) /* write lock owner */
808#define SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK (1<<28) /* kernel use a TLV callback */
809#define SNDRV_CTL_ELEM_ACCESS_USER (1<<29) /* user space element */
810/* bits 30 and 31 are obsoleted (for indirect access) */
811
812/* for further details see the ACPI and PCI power management specification */
813#define SNDRV_CTL_POWER_D0 0x0000 /* full On */
814#define SNDRV_CTL_POWER_D1 0x0100 /* partial On */
815#define SNDRV_CTL_POWER_D2 0x0200 /* partial On */
816#define SNDRV_CTL_POWER_D3 0x0300 /* Off */
817#define SNDRV_CTL_POWER_D3hot (SNDRV_CTL_POWER_D3|0x0000) /* Off, with power */
818#define SNDRV_CTL_POWER_D3cold (SNDRV_CTL_POWER_D3|0x0001) /* Off, without power */
819
820struct snd_ctl_elem_id {
821 unsigned int numid; /* numeric identifier, zero = invalid */
822 snd_ctl_elem_iface_t iface; /* interface identifier */
823 unsigned int device; /* device/client number */
824 unsigned int subdevice; /* subdevice (substream) number */
825 unsigned char name[44]; /* ASCII name of item */
826 unsigned int index; /* index of item */
827};
828
829struct snd_ctl_elem_list {
830 unsigned int offset; /* W: first element ID to get */
831 unsigned int space; /* W: count of element IDs to get */
832 unsigned int used; /* R: count of element IDs set */
833 unsigned int count; /* R: count of all elements */
834 struct snd_ctl_elem_id __user *pids; /* R: IDs */
835 unsigned char reserved[50];
836};
837
838struct snd_ctl_elem_info {
839 struct snd_ctl_elem_id id; /* W: element ID */
840 snd_ctl_elem_type_t type; /* R: value type - SNDRV_CTL_ELEM_TYPE_* */
841 unsigned int access; /* R: value access (bitmask) - SNDRV_CTL_ELEM_ACCESS_* */
842 unsigned int count; /* count of values */
843 __kernel_pid_t owner; /* owner's PID of this control */
844 union {
845 struct {
846 long min; /* R: minimum value */
847 long max; /* R: maximum value */
848 long step; /* R: step (0 variable) */
849 } integer;
850 struct {
851 long long min; /* R: minimum value */
852 long long max; /* R: maximum value */
853 long long step; /* R: step (0 variable) */
854 } integer64;
855 struct {
856 unsigned int items; /* R: number of items */
857 unsigned int item; /* W: item number */
858 char name[64]; /* R: value name */
859 __u64 names_ptr; /* W: names list (ELEM_ADD only) */
860 unsigned int names_length;
861 } enumerated;
862 unsigned char reserved[128];
863 } value;
864 union {
865 unsigned short d[4]; /* dimensions */
866 unsigned short *d_ptr; /* indirect - obsoleted */
867 } dimen;
868 unsigned char reserved[64-4*sizeof(unsigned short)];
869};
870
871struct snd_ctl_elem_value {
872 struct snd_ctl_elem_id id; /* W: element ID */
873 unsigned int indirect: 1; /* W: indirect access - obsoleted */
874 union {
875 union {
876 long value[128];
877 long *value_ptr; /* obsoleted */
878 } integer;
879 union {
880 long long value[64];
881 long long *value_ptr; /* obsoleted */
882 } integer64;
883 union {
884 unsigned int item[128];
885 unsigned int *item_ptr; /* obsoleted */
886 } enumerated;
887 union {
888 unsigned char data[512];
889 unsigned char *data_ptr; /* obsoleted */
890 } bytes;
891 struct snd_aes_iec958 iec958;
892 } value; /* RO */
893 struct timespec tstamp;
894 unsigned char reserved[128-sizeof(struct timespec)];
895};
896
897struct snd_ctl_tlv {
898 unsigned int numid; /* control element numeric identification */
899 unsigned int length; /* in bytes aligned to 4 */
900 unsigned int tlv[0]; /* first TLV */
901};
902
903#define SNDRV_CTL_IOCTL_PVERSION _IOR('U', 0x00, int)
904#define SNDRV_CTL_IOCTL_CARD_INFO _IOR('U', 0x01, struct snd_ctl_card_info)
905#define SNDRV_CTL_IOCTL_ELEM_LIST _IOWR('U', 0x10, struct snd_ctl_elem_list)
906#define SNDRV_CTL_IOCTL_ELEM_INFO _IOWR('U', 0x11, struct snd_ctl_elem_info)
907#define SNDRV_CTL_IOCTL_ELEM_READ _IOWR('U', 0x12, struct snd_ctl_elem_value)
908#define SNDRV_CTL_IOCTL_ELEM_WRITE _IOWR('U', 0x13, struct snd_ctl_elem_value)
909#define SNDRV_CTL_IOCTL_ELEM_LOCK _IOW('U', 0x14, struct snd_ctl_elem_id)
910#define SNDRV_CTL_IOCTL_ELEM_UNLOCK _IOW('U', 0x15, struct snd_ctl_elem_id)
911#define SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS _IOWR('U', 0x16, int)
912#define SNDRV_CTL_IOCTL_ELEM_ADD _IOWR('U', 0x17, struct snd_ctl_elem_info)
913#define SNDRV_CTL_IOCTL_ELEM_REPLACE _IOWR('U', 0x18, struct snd_ctl_elem_info)
914#define SNDRV_CTL_IOCTL_ELEM_REMOVE _IOWR('U', 0x19, struct snd_ctl_elem_id)
915#define SNDRV_CTL_IOCTL_TLV_READ _IOWR('U', 0x1a, struct snd_ctl_tlv)
916#define SNDRV_CTL_IOCTL_TLV_WRITE _IOWR('U', 0x1b, struct snd_ctl_tlv)
917#define SNDRV_CTL_IOCTL_TLV_COMMAND _IOWR('U', 0x1c, struct snd_ctl_tlv)
918#define SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE _IOWR('U', 0x20, int)
919#define SNDRV_CTL_IOCTL_HWDEP_INFO _IOR('U', 0x21, struct snd_hwdep_info)
920#define SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE _IOR('U', 0x30, int)
921#define SNDRV_CTL_IOCTL_PCM_INFO _IOWR('U', 0x31, struct snd_pcm_info)
922#define SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE _IOW('U', 0x32, int)
923#define SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE _IOWR('U', 0x40, int)
924#define SNDRV_CTL_IOCTL_RAWMIDI_INFO _IOWR('U', 0x41, struct snd_rawmidi_info)
925#define SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE _IOW('U', 0x42, int)
926#define SNDRV_CTL_IOCTL_POWER _IOWR('U', 0xd0, int)
927#define SNDRV_CTL_IOCTL_POWER_STATE _IOR('U', 0xd1, int)
928
929/*
930 * Read interface.
931 */
932
933enum sndrv_ctl_event_type {
934 SNDRV_CTL_EVENT_ELEM = 0,
935 SNDRV_CTL_EVENT_LAST = SNDRV_CTL_EVENT_ELEM,
936};
937
938#define SNDRV_CTL_EVENT_MASK_VALUE (1<<0) /* element value was changed */
939#define SNDRV_CTL_EVENT_MASK_INFO (1<<1) /* element info was changed */
940#define SNDRV_CTL_EVENT_MASK_ADD (1<<2) /* element was added */
941#define SNDRV_CTL_EVENT_MASK_TLV (1<<3) /* element TLV tree was changed */
942#define SNDRV_CTL_EVENT_MASK_REMOVE (~0U) /* element was removed */
943
944struct snd_ctl_event {
945 int type; /* event type - SNDRV_CTL_EVENT_* */
946 union {
947 struct {
948 unsigned int mask;
949 struct snd_ctl_elem_id id;
950 } elem;
951 unsigned char data8[60];
952 } data;
953};
954
955/*
956 * Control names
957 */
958
959#define SNDRV_CTL_NAME_NONE ""
960#define SNDRV_CTL_NAME_PLAYBACK "Playback "
961#define SNDRV_CTL_NAME_CAPTURE "Capture "
962
963#define SNDRV_CTL_NAME_IEC958_NONE ""
964#define SNDRV_CTL_NAME_IEC958_SWITCH "Switch"
965#define SNDRV_CTL_NAME_IEC958_VOLUME "Volume"
966#define SNDRV_CTL_NAME_IEC958_DEFAULT "Default"
967#define SNDRV_CTL_NAME_IEC958_MASK "Mask"
968#define SNDRV_CTL_NAME_IEC958_CON_MASK "Con Mask"
969#define SNDRV_CTL_NAME_IEC958_PRO_MASK "Pro Mask"
970#define SNDRV_CTL_NAME_IEC958_PCM_STREAM "PCM Stream"
971#define SNDRV_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SNDRV_CTL_NAME_##direction SNDRV_CTL_NAME_IEC958_##what
972
973#endif /* __SOUND_ASOUND_H */ 40#endif /* __SOUND_ASOUND_H */
generated by cgit v1.2.2 (git 2.25.0) at 2025-09-17 05:32:39 -0400