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Linux 4.1.18
[linux/fpc-iii.git] / include / uapi / sound / asound.h
bloba45be6bdcf5bb88b2871a764e070ed9737818088
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 #include <linux/types.h>
27
28 #ifndef __KERNEL__
29 #include <stdlib.h>
30 #endif
31
32 /*
33 * protocol version
34 */
35
36 #define SNDRV_PROTOCOL_VERSION(major, minor, subminor) (((major)<<16)|((minor)<<8)|(subminor))
37 #define SNDRV_PROTOCOL_MAJOR(version) (((version)>>16)&0xffff)
38 #define SNDRV_PROTOCOL_MINOR(version) (((version)>>8)&0xff)
39 #define SNDRV_PROTOCOL_MICRO(version) ((version)&0xff)
40 #define SNDRV_PROTOCOL_INCOMPATIBLE(kversion, uversion) \
41 (SNDRV_PROTOCOL_MAJOR(kversion) != SNDRV_PROTOCOL_MAJOR(uversion) || \
42 (SNDRV_PROTOCOL_MAJOR(kversion) == SNDRV_PROTOCOL_MAJOR(uversion) && \
43 SNDRV_PROTOCOL_MINOR(kversion) != SNDRV_PROTOCOL_MINOR(uversion)))
44
45 /****************************************************************************
46 * *
47 * Digital audio interface *
48 * *
49 ****************************************************************************/
50
51 struct snd_aes_iec958 {
52 unsigned char status[24]; /* AES/IEC958 channel status bits */
53 unsigned char subcode[147]; /* AES/IEC958 subcode bits */
54 unsigned char pad; /* nothing */
55 unsigned char dig_subframe[4]; /* AES/IEC958 subframe bits */
56 };
57
58 /****************************************************************************
59 * *
60 * CEA-861 Audio InfoFrame. Used in HDMI and DisplayPort *
61 * *
62 ****************************************************************************/
63
64 struct snd_cea_861_aud_if {
65 unsigned char db1_ct_cc; /* coding type and channel count */
66 unsigned char db2_sf_ss; /* sample frequency and size */
67 unsigned char db3; /* not used, all zeros */
68 unsigned char db4_ca; /* channel allocation code */
69 unsigned char db5_dminh_lsv; /* downmix inhibit & level-shit values */
70 };
71
72 /****************************************************************************
73 * *
74 * Section for driver hardware dependent interface - /dev/snd/hw? *
75 * *
76 ****************************************************************************/
77
78 #define SNDRV_HWDEP_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1)
79
80 enum {
81 SNDRV_HWDEP_IFACE_OPL2 = 0,
82 SNDRV_HWDEP_IFACE_OPL3,
83 SNDRV_HWDEP_IFACE_OPL4,
84 SNDRV_HWDEP_IFACE_SB16CSP, /* Creative Signal Processor */
85 SNDRV_HWDEP_IFACE_EMU10K1, /* FX8010 processor in EMU10K1 chip */
86 SNDRV_HWDEP_IFACE_YSS225, /* Yamaha FX processor */
87 SNDRV_HWDEP_IFACE_ICS2115, /* Wavetable synth */
88 SNDRV_HWDEP_IFACE_SSCAPE, /* Ensoniq SoundScape ISA card (MC68EC000) */
89 SNDRV_HWDEP_IFACE_VX, /* Digigram VX cards */
90 SNDRV_HWDEP_IFACE_MIXART, /* Digigram miXart cards */
91 SNDRV_HWDEP_IFACE_USX2Y, /* Tascam US122, US224 & US428 usb */
92 SNDRV_HWDEP_IFACE_EMUX_WAVETABLE, /* EmuX wavetable */
93 SNDRV_HWDEP_IFACE_BLUETOOTH, /* Bluetooth audio */
94 SNDRV_HWDEP_IFACE_USX2Y_PCM, /* Tascam US122, US224 & US428 rawusb pcm */
95 SNDRV_HWDEP_IFACE_PCXHR, /* Digigram PCXHR */
96 SNDRV_HWDEP_IFACE_SB_RC, /* SB Extigy/Audigy2NX remote control */
97 SNDRV_HWDEP_IFACE_HDA, /* HD-audio */
98 SNDRV_HWDEP_IFACE_USB_STREAM, /* direct access to usb stream */
99 SNDRV_HWDEP_IFACE_FW_DICE, /* TC DICE FireWire device */
100 SNDRV_HWDEP_IFACE_FW_FIREWORKS, /* Echo Audio Fireworks based device */
101 SNDRV_HWDEP_IFACE_FW_BEBOB, /* BridgeCo BeBoB based device */
102 SNDRV_HWDEP_IFACE_FW_OXFW, /* Oxford OXFW970/971 based device */
103
104 /* Don't forget to change the following: */
105 SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_FW_OXFW
106 };
107
108 struct snd_hwdep_info {
109 unsigned int device; /* WR: device number */
110 int card; /* R: card number */
111 unsigned char id[64]; /* ID (user selectable) */
112 unsigned char name[80]; /* hwdep name */
113 int iface; /* hwdep interface */
114 unsigned char reserved[64]; /* reserved for future */
115 };
116
117 /* generic DSP loader */
118 struct snd_hwdep_dsp_status {
119 unsigned int version; /* R: driver-specific version */
120 unsigned char id[32]; /* R: driver-specific ID string */
121 unsigned int num_dsps; /* R: number of DSP images to transfer */
122 unsigned int dsp_loaded; /* R: bit flags indicating the loaded DSPs */
123 unsigned int chip_ready; /* R: 1 = initialization finished */
124 unsigned char reserved[16]; /* reserved for future use */
125 };
126
127 struct snd_hwdep_dsp_image {
128 unsigned int index; /* W: DSP index */
129 unsigned char name[64]; /* W: ID (e.g. file name) */
130 unsigned char __user *image; /* W: binary image */
131 size_t length; /* W: size of image in bytes */
132 unsigned long driver_data; /* W: driver-specific data */
133 };
134
135 #define SNDRV_HWDEP_IOCTL_PVERSION _IOR ('H', 0x00, int)
136 #define SNDRV_HWDEP_IOCTL_INFO _IOR ('H', 0x01, struct snd_hwdep_info)
137 #define SNDRV_HWDEP_IOCTL_DSP_STATUS _IOR('H', 0x02, struct snd_hwdep_dsp_status)
138 #define SNDRV_HWDEP_IOCTL_DSP_LOAD _IOW('H', 0x03, struct snd_hwdep_dsp_image)
139
140 /*****************************************************************************
141 * *
142 * Digital Audio (PCM) interface - /dev/snd/pcm?? *
143 * *
144 *****************************************************************************/
145
146 #define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 13)
147
148 typedef unsigned long snd_pcm_uframes_t;
149 typedef signed long snd_pcm_sframes_t;
150
151 enum {
152 SNDRV_PCM_CLASS_GENERIC = 0, /* standard mono or stereo device */
153 SNDRV_PCM_CLASS_MULTI, /* multichannel device */
154 SNDRV_PCM_CLASS_MODEM, /* software modem class */
155 SNDRV_PCM_CLASS_DIGITIZER, /* digitizer class */
156 /* Don't forget to change the following: */
157 SNDRV_PCM_CLASS_LAST = SNDRV_PCM_CLASS_DIGITIZER,
158 };
159
160 enum {
161 SNDRV_PCM_SUBCLASS_GENERIC_MIX = 0, /* mono or stereo subdevices are mixed together */
162 SNDRV_PCM_SUBCLASS_MULTI_MIX, /* multichannel subdevices are mixed together */
163 /* Don't forget to change the following: */
164 SNDRV_PCM_SUBCLASS_LAST = SNDRV_PCM_SUBCLASS_MULTI_MIX,
165 };
166
167 enum {
168 SNDRV_PCM_STREAM_PLAYBACK = 0,
169 SNDRV_PCM_STREAM_CAPTURE,
170 SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE,
171 };
172
173 typedef int __bitwise snd_pcm_access_t;
174 #define SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ((__force snd_pcm_access_t) 0) /* interleaved mmap */
175 #define SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ((__force snd_pcm_access_t) 1) /* noninterleaved mmap */
176 #define SNDRV_PCM_ACCESS_MMAP_COMPLEX ((__force snd_pcm_access_t) 2) /* complex mmap */
177 #define SNDRV_PCM_ACCESS_RW_INTERLEAVED ((__force snd_pcm_access_t) 3) /* readi/writei */
178 #define SNDRV_PCM_ACCESS_RW_NONINTERLEAVED ((__force snd_pcm_access_t) 4) /* readn/writen */
179 #define SNDRV_PCM_ACCESS_LAST SNDRV_PCM_ACCESS_RW_NONINTERLEAVED
180
181 typedef int __bitwise snd_pcm_format_t;
182 #define SNDRV_PCM_FORMAT_S8 ((__force snd_pcm_format_t) 0)
183 #define SNDRV_PCM_FORMAT_U8 ((__force snd_pcm_format_t) 1)
184 #define SNDRV_PCM_FORMAT_S16_LE ((__force snd_pcm_format_t) 2)
185 #define SNDRV_PCM_FORMAT_S16_BE ((__force snd_pcm_format_t) 3)
186 #define SNDRV_PCM_FORMAT_U16_LE ((__force snd_pcm_format_t) 4)
187 #define SNDRV_PCM_FORMAT_U16_BE ((__force snd_pcm_format_t) 5)
188 #define SNDRV_PCM_FORMAT_S24_LE ((__force snd_pcm_format_t) 6) /* low three bytes */
189 #define SNDRV_PCM_FORMAT_S24_BE ((__force snd_pcm_format_t) 7) /* low three bytes */
190 #define SNDRV_PCM_FORMAT_U24_LE ((__force snd_pcm_format_t) 8) /* low three bytes */
191 #define SNDRV_PCM_FORMAT_U24_BE ((__force snd_pcm_format_t) 9) /* low three bytes */
192 #define SNDRV_PCM_FORMAT_S32_LE ((__force snd_pcm_format_t) 10)
193 #define SNDRV_PCM_FORMAT_S32_BE ((__force snd_pcm_format_t) 11)
194 #define SNDRV_PCM_FORMAT_U32_LE ((__force snd_pcm_format_t) 12)
195 #define SNDRV_PCM_FORMAT_U32_BE ((__force snd_pcm_format_t) 13)
196 #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 */
197 #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 */
198 #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 */
199 #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 */
200 #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE ((__force snd_pcm_format_t) 18) /* IEC-958 subframe, Little Endian */
201 #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE ((__force snd_pcm_format_t) 19) /* IEC-958 subframe, Big Endian */
202 #define SNDRV_PCM_FORMAT_MU_LAW ((__force snd_pcm_format_t) 20)
203 #define SNDRV_PCM_FORMAT_A_LAW ((__force snd_pcm_format_t) 21)
204 #define SNDRV_PCM_FORMAT_IMA_ADPCM ((__force snd_pcm_format_t) 22)
205 #define SNDRV_PCM_FORMAT_MPEG ((__force snd_pcm_format_t) 23)
206 #define SNDRV_PCM_FORMAT_GSM ((__force snd_pcm_format_t) 24)
207 #define SNDRV_PCM_FORMAT_SPECIAL ((__force snd_pcm_format_t) 31)
208 #define SNDRV_PCM_FORMAT_S24_3LE ((__force snd_pcm_format_t) 32) /* in three bytes */
209 #define SNDRV_PCM_FORMAT_S24_3BE ((__force snd_pcm_format_t) 33) /* in three bytes */
210 #define SNDRV_PCM_FORMAT_U24_3LE ((__force snd_pcm_format_t) 34) /* in three bytes */
211 #define SNDRV_PCM_FORMAT_U24_3BE ((__force snd_pcm_format_t) 35) /* in three bytes */
212 #define SNDRV_PCM_FORMAT_S20_3LE ((__force snd_pcm_format_t) 36) /* in three bytes */
213 #define SNDRV_PCM_FORMAT_S20_3BE ((__force snd_pcm_format_t) 37) /* in three bytes */
214 #define SNDRV_PCM_FORMAT_U20_3LE ((__force snd_pcm_format_t) 38) /* in three bytes */
215 #define SNDRV_PCM_FORMAT_U20_3BE ((__force snd_pcm_format_t) 39) /* in three bytes */
216 #define SNDRV_PCM_FORMAT_S18_3LE ((__force snd_pcm_format_t) 40) /* in three bytes */
217 #define SNDRV_PCM_FORMAT_S18_3BE ((__force snd_pcm_format_t) 41) /* in three bytes */
218 #define SNDRV_PCM_FORMAT_U18_3LE ((__force snd_pcm_format_t) 42) /* in three bytes */
219 #define SNDRV_PCM_FORMAT_U18_3BE ((__force snd_pcm_format_t) 43) /* in three bytes */
220 #define SNDRV_PCM_FORMAT_G723_24 ((__force snd_pcm_format_t) 44) /* 8 samples in 3 bytes */
221 #define SNDRV_PCM_FORMAT_G723_24_1B ((__force snd_pcm_format_t) 45) /* 1 sample in 1 byte */
222 #define SNDRV_PCM_FORMAT_G723_40 ((__force snd_pcm_format_t) 46) /* 8 Samples in 5 bytes */
223 #define SNDRV_PCM_FORMAT_G723_40_1B ((__force snd_pcm_format_t) 47) /* 1 sample in 1 byte */
224 #define SNDRV_PCM_FORMAT_DSD_U8 ((__force snd_pcm_format_t) 48) /* DSD, 1-byte samples DSD (x8) */
225 #define SNDRV_PCM_FORMAT_DSD_U16_LE ((__force snd_pcm_format_t) 49) /* DSD, 2-byte samples DSD (x16), little endian */
226 #define SNDRV_PCM_FORMAT_DSD_U32_LE ((__force snd_pcm_format_t) 50) /* DSD, 4-byte samples DSD (x32), little endian */
227 #define SNDRV_PCM_FORMAT_DSD_U16_BE ((__force snd_pcm_format_t) 51) /* DSD, 2-byte samples DSD (x16), big endian */
228 #define SNDRV_PCM_FORMAT_DSD_U32_BE ((__force snd_pcm_format_t) 52) /* DSD, 4-byte samples DSD (x32), big endian */
229 #define SNDRV_PCM_FORMAT_LAST SNDRV_PCM_FORMAT_DSD_U32_BE
230
231 #ifdef SNDRV_LITTLE_ENDIAN
232 #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_LE
233 #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_LE
234 #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_LE
235 #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_LE
236 #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_LE
237 #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_LE
238 #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_LE
239 #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_LE
240 #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE
241 #endif
242 #ifdef SNDRV_BIG_ENDIAN
243 #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_BE
244 #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_BE
245 #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_BE
246 #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_BE
247 #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_BE
248 #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_BE
249 #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_BE
250 #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_BE
251 #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE
252 #endif
253
254 typedef int __bitwise snd_pcm_subformat_t;
255 #define SNDRV_PCM_SUBFORMAT_STD ((__force snd_pcm_subformat_t) 0)
256 #define SNDRV_PCM_SUBFORMAT_LAST SNDRV_PCM_SUBFORMAT_STD
257
258 #define SNDRV_PCM_INFO_MMAP 0x00000001 /* hardware supports mmap */
259 #define SNDRV_PCM_INFO_MMAP_VALID 0x00000002 /* period data are valid during transfer */
260 #define SNDRV_PCM_INFO_DOUBLE 0x00000004 /* Double buffering needed for PCM start/stop */
261 #define SNDRV_PCM_INFO_BATCH 0x00000010 /* double buffering */
262 #define SNDRV_PCM_INFO_INTERLEAVED 0x00000100 /* channels are interleaved */
263 #define SNDRV_PCM_INFO_NONINTERLEAVED 0x00000200 /* channels are not interleaved */
264 #define SNDRV_PCM_INFO_COMPLEX 0x00000400 /* complex frame organization (mmap only) */
265 #define SNDRV_PCM_INFO_BLOCK_TRANSFER 0x00010000 /* hardware transfer block of samples */
266 #define SNDRV_PCM_INFO_OVERRANGE 0x00020000 /* hardware supports ADC (capture) overrange detection */
267 #define SNDRV_PCM_INFO_RESUME 0x00040000 /* hardware supports stream resume after suspend */
268 #define SNDRV_PCM_INFO_PAUSE 0x00080000 /* pause ioctl is supported */
269 #define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000 /* only half duplex */
270 #define SNDRV_PCM_INFO_JOINT_DUPLEX 0x00200000 /* playback and capture stream are somewhat correlated */
271 #define SNDRV_PCM_INFO_SYNC_START 0x00400000 /* pcm support some kind of sync go */
272 #define SNDRV_PCM_INFO_NO_PERIOD_WAKEUP 0x00800000 /* period wakeup can be disabled */
273 #define SNDRV_PCM_INFO_HAS_WALL_CLOCK 0x01000000 /* (Deprecated)has audio wall clock for audio/system time sync */
274 #define SNDRV_PCM_INFO_HAS_LINK_ATIME 0x01000000 /* report hardware link audio time, reset on startup */
275 #define SNDRV_PCM_INFO_HAS_LINK_ABSOLUTE_ATIME 0x02000000 /* report absolute hardware link audio time, not reset on startup */
276 #define SNDRV_PCM_INFO_HAS_LINK_ESTIMATED_ATIME 0x04000000 /* report estimated link audio time */
277 #define SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME 0x08000000 /* report synchronized audio/system time */
278
279 #define SNDRV_PCM_INFO_DRAIN_TRIGGER 0x40000000 /* internal kernel flag - trigger in drain */
280 #define SNDRV_PCM_INFO_FIFO_IN_FRAMES 0x80000000 /* internal kernel flag - FIFO size is in frames */
281
282
283
284 typedef int __bitwise snd_pcm_state_t;
285 #define SNDRV_PCM_STATE_OPEN ((__force snd_pcm_state_t) 0) /* stream is open */
286 #define SNDRV_PCM_STATE_SETUP ((__force snd_pcm_state_t) 1) /* stream has a setup */
287 #define SNDRV_PCM_STATE_PREPARED ((__force snd_pcm_state_t) 2) /* stream is ready to start */
288 #define SNDRV_PCM_STATE_RUNNING ((__force snd_pcm_state_t) 3) /* stream is running */
289 #define SNDRV_PCM_STATE_XRUN ((__force snd_pcm_state_t) 4) /* stream reached an xrun */
290 #define SNDRV_PCM_STATE_DRAINING ((__force snd_pcm_state_t) 5) /* stream is draining */
291 #define SNDRV_PCM_STATE_PAUSED ((__force snd_pcm_state_t) 6) /* stream is paused */
292 #define SNDRV_PCM_STATE_SUSPENDED ((__force snd_pcm_state_t) 7) /* hardware is suspended */
293 #define SNDRV_PCM_STATE_DISCONNECTED ((__force snd_pcm_state_t) 8) /* hardware is disconnected */
294 #define SNDRV_PCM_STATE_LAST SNDRV_PCM_STATE_DISCONNECTED
295
296 enum {
297 SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000,
298 SNDRV_PCM_MMAP_OFFSET_STATUS = 0x80000000,
299 SNDRV_PCM_MMAP_OFFSET_CONTROL = 0x81000000,
300 };
301
302 union snd_pcm_sync_id {
303 unsigned char id[16];
304 unsigned short id16[8];
305 unsigned int id32[4];
306 };
307
308 struct snd_pcm_info {
309 unsigned int device; /* RO/WR (control): device number */
310 unsigned int subdevice; /* RO/WR (control): subdevice number */
311 int stream; /* RO/WR (control): stream direction */
312 int card; /* R: card number */
313 unsigned char id[64]; /* ID (user selectable) */
314 unsigned char name[80]; /* name of this device */
315 unsigned char subname[32]; /* subdevice name */
316 int dev_class; /* SNDRV_PCM_CLASS_* */
317 int dev_subclass; /* SNDRV_PCM_SUBCLASS_* */
318 unsigned int subdevices_count;
319 unsigned int subdevices_avail;
320 union snd_pcm_sync_id sync; /* hardware synchronization ID */
321 unsigned char reserved[64]; /* reserved for future... */
322 };
323
324 typedef int snd_pcm_hw_param_t;
325 #define SNDRV_PCM_HW_PARAM_ACCESS 0 /* Access type */
326 #define SNDRV_PCM_HW_PARAM_FORMAT 1 /* Format */
327 #define SNDRV_PCM_HW_PARAM_SUBFORMAT 2 /* Subformat */
328 #define SNDRV_PCM_HW_PARAM_FIRST_MASK SNDRV_PCM_HW_PARAM_ACCESS
329 #define SNDRV_PCM_HW_PARAM_LAST_MASK SNDRV_PCM_HW_PARAM_SUBFORMAT
330
331 #define SNDRV_PCM_HW_PARAM_SAMPLE_BITS 8 /* Bits per sample */
332 #define SNDRV_PCM_HW_PARAM_FRAME_BITS 9 /* Bits per frame */
333 #define SNDRV_PCM_HW_PARAM_CHANNELS 10 /* Channels */
334 #define SNDRV_PCM_HW_PARAM_RATE 11 /* Approx rate */
335 #define SNDRV_PCM_HW_PARAM_PERIOD_TIME 12 /* Approx distance between
336 * interrupts in us
337 */
338 #define SNDRV_PCM_HW_PARAM_PERIOD_SIZE 13 /* Approx frames between
339 * interrupts
340 */
341 #define SNDRV_PCM_HW_PARAM_PERIOD_BYTES 14 /* Approx bytes between
342 * interrupts
343 */
344 #define SNDRV_PCM_HW_PARAM_PERIODS 15 /* Approx interrupts per
345 * buffer
346 */
347 #define SNDRV_PCM_HW_PARAM_BUFFER_TIME 16 /* Approx duration of buffer
348 * in us
349 */
350 #define SNDRV_PCM_HW_PARAM_BUFFER_SIZE 17 /* Size of buffer in frames */
351 #define SNDRV_PCM_HW_PARAM_BUFFER_BYTES 18 /* Size of buffer in bytes */
352 #define SNDRV_PCM_HW_PARAM_TICK_TIME 19 /* Approx tick duration in us */
353 #define SNDRV_PCM_HW_PARAM_FIRST_INTERVAL SNDRV_PCM_HW_PARAM_SAMPLE_BITS
354 #define SNDRV_PCM_HW_PARAM_LAST_INTERVAL SNDRV_PCM_HW_PARAM_TICK_TIME
355
356 #define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1<<0) /* avoid rate resampling */
357 #define SNDRV_PCM_HW_PARAMS_EXPORT_BUFFER (1<<1) /* export buffer */
358 #define SNDRV_PCM_HW_PARAMS_NO_PERIOD_WAKEUP (1<<2) /* disable period wakeups */
359
360 struct snd_interval {
361 unsigned int min, max;
362 unsigned int openmin:1,
363 openmax:1,
364 integer:1,
365 empty:1;
366 };
367
368 #define SNDRV_MASK_MAX 256
369
370 struct snd_mask {
371 __u32 bits[(SNDRV_MASK_MAX+31)/32];
372 };
373
374 struct snd_pcm_hw_params {
375 unsigned int flags;
376 struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK -
377 SNDRV_PCM_HW_PARAM_FIRST_MASK + 1];
378 struct snd_mask mres[5]; /* reserved masks */
379 struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL -
380 SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1];
381 struct snd_interval ires[9]; /* reserved intervals */
382 unsigned int rmask; /* W: requested masks */
383 unsigned int cmask; /* R: changed masks */
384 unsigned int info; /* R: Info flags for returned setup */
385 unsigned int msbits; /* R: used most significant bits */
386 unsigned int rate_num; /* R: rate numerator */
387 unsigned int rate_den; /* R: rate denominator */
388 snd_pcm_uframes_t fifo_size; /* R: chip FIFO size in frames */
389 unsigned char reserved[64]; /* reserved for future */
390 };
391
392 enum {
393 SNDRV_PCM_TSTAMP_NONE = 0,
394 SNDRV_PCM_TSTAMP_ENABLE,
395 SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_ENABLE,
396 };
397
398 struct snd_pcm_sw_params {
399 int tstamp_mode; /* timestamp mode */
400 unsigned int period_step;
401 unsigned int sleep_min; /* min ticks to sleep */
402 snd_pcm_uframes_t avail_min; /* min avail frames for wakeup */
403 snd_pcm_uframes_t xfer_align; /* obsolete: xfer size need to be a multiple */
404 snd_pcm_uframes_t start_threshold; /* min hw_avail frames for automatic start */
405 snd_pcm_uframes_t stop_threshold; /* min avail frames for automatic stop */
406 snd_pcm_uframes_t silence_threshold; /* min distance from noise for silence filling */
407 snd_pcm_uframes_t silence_size; /* silence block size */
408 snd_pcm_uframes_t boundary; /* pointers wrap point */
409 unsigned int proto; /* protocol version */
410 unsigned int tstamp_type; /* timestamp type (req. proto >= 2.0.12) */
411 unsigned char reserved[56]; /* reserved for future */
412 };
413
414 struct snd_pcm_channel_info {
415 unsigned int channel;
416 __kernel_off_t offset; /* mmap offset */
417 unsigned int first; /* offset to first sample in bits */
418 unsigned int step; /* samples distance in bits */
419 };
420
421 enum {
422 /*
423 * first definition for backwards compatibility only,
424 * maps to wallclock/link time for HDAudio playback and DEFAULT/DMA time for everything else
425 */
426 SNDRV_PCM_AUDIO_TSTAMP_TYPE_COMPAT = 0,
427
428 /* timestamp definitions */
429 SNDRV_PCM_AUDIO_TSTAMP_TYPE_DEFAULT = 1, /* DMA time, reported as per hw_ptr */
430 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK = 2, /* link time reported by sample or wallclock counter, reset on startup */
431 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_ABSOLUTE = 3, /* link time reported by sample or wallclock counter, not reset on startup */
432 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_ESTIMATED = 4, /* link time estimated indirectly */
433 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_SYNCHRONIZED = 5, /* link time synchronized with system time */
434 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LAST = SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_SYNCHRONIZED
435 };
436
437 struct snd_pcm_status {
438 snd_pcm_state_t state; /* stream state */
439 struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */
440 struct timespec tstamp; /* reference timestamp */
441 snd_pcm_uframes_t appl_ptr; /* appl ptr */
442 snd_pcm_uframes_t hw_ptr; /* hw ptr */
443 snd_pcm_sframes_t delay; /* current delay in frames */
444 snd_pcm_uframes_t avail; /* number of frames available */
445 snd_pcm_uframes_t avail_max; /* max frames available on hw since last status */
446 snd_pcm_uframes_t overrange; /* count of ADC (capture) overrange detections from last status */
447 snd_pcm_state_t suspended_state; /* suspended stream state */
448 __u32 audio_tstamp_data; /* needed for 64-bit alignment, used for configs/report to/from userspace */
449 struct timespec audio_tstamp; /* sample counter, wall clock, PHC or on-demand sync'ed */
450 struct timespec driver_tstamp; /* useful in case reference system tstamp is reported with delay */
451 __u32 audio_tstamp_accuracy; /* in ns units, only valid if indicated in audio_tstamp_data */
452 unsigned char reserved[52-2*sizeof(struct timespec)]; /* must be filled with zero */
453 };
454
455 struct snd_pcm_mmap_status {
456 snd_pcm_state_t state; /* RO: state - SNDRV_PCM_STATE_XXXX */
457 int pad1; /* Needed for 64 bit alignment */
458 snd_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */
459 struct timespec tstamp; /* Timestamp */
460 snd_pcm_state_t suspended_state; /* RO: suspended stream state */
461 struct timespec audio_tstamp; /* from sample counter or wall clock */
462 };
463
464 struct snd_pcm_mmap_control {
465 snd_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */
466 snd_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */
467 };
468
469 #define SNDRV_PCM_SYNC_PTR_HWSYNC (1<<0) /* execute hwsync */
470 #define SNDRV_PCM_SYNC_PTR_APPL (1<<1) /* get appl_ptr from driver (r/w op) */
471 #define SNDRV_PCM_SYNC_PTR_AVAIL_MIN (1<<2) /* get avail_min from driver */
472
473 struct snd_pcm_sync_ptr {
474 unsigned int flags;
475 union {
476 struct snd_pcm_mmap_status status;
477 unsigned char reserved[64];
478 } s;
479 union {
480 struct snd_pcm_mmap_control control;
481 unsigned char reserved[64];
482 } c;
483 };
484
485 struct snd_xferi {
486 snd_pcm_sframes_t result;
487 void __user *buf;
488 snd_pcm_uframes_t frames;
489 };
490
491 struct snd_xfern {
492 snd_pcm_sframes_t result;
493 void __user * __user *bufs;
494 snd_pcm_uframes_t frames;
495 };
496
497 enum {
498 SNDRV_PCM_TSTAMP_TYPE_GETTIMEOFDAY = 0, /* gettimeofday equivalent */
499 SNDRV_PCM_TSTAMP_TYPE_MONOTONIC, /* posix_clock_monotonic equivalent */
500 SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW, /* monotonic_raw (no NTP) */
501 SNDRV_PCM_TSTAMP_TYPE_LAST = SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW,
502 };
503
504 /* channel positions */
505 enum {
506 SNDRV_CHMAP_UNKNOWN = 0,
507 SNDRV_CHMAP_NA, /* N/A, silent */
508 SNDRV_CHMAP_MONO, /* mono stream */
509 /* this follows the alsa-lib mixer channel value + 3 */
510 SNDRV_CHMAP_FL, /* front left */
511 SNDRV_CHMAP_FR, /* front right */
512 SNDRV_CHMAP_RL, /* rear left */
513 SNDRV_CHMAP_RR, /* rear right */
514 SNDRV_CHMAP_FC, /* front center */
515 SNDRV_CHMAP_LFE, /* LFE */
516 SNDRV_CHMAP_SL, /* side left */
517 SNDRV_CHMAP_SR, /* side right */
518 SNDRV_CHMAP_RC, /* rear center */
519 /* new definitions */
520 SNDRV_CHMAP_FLC, /* front left center */
521 SNDRV_CHMAP_FRC, /* front right center */
522 SNDRV_CHMAP_RLC, /* rear left center */
523 SNDRV_CHMAP_RRC, /* rear right center */
524 SNDRV_CHMAP_FLW, /* front left wide */
525 SNDRV_CHMAP_FRW, /* front right wide */
526 SNDRV_CHMAP_FLH, /* front left high */
527 SNDRV_CHMAP_FCH, /* front center high */
528 SNDRV_CHMAP_FRH, /* front right high */
529 SNDRV_CHMAP_TC, /* top center */
530 SNDRV_CHMAP_TFL, /* top front left */
531 SNDRV_CHMAP_TFR, /* top front right */
532 SNDRV_CHMAP_TFC, /* top front center */
533 SNDRV_CHMAP_TRL, /* top rear left */
534 SNDRV_CHMAP_TRR, /* top rear right */
535 SNDRV_CHMAP_TRC, /* top rear center */
536 /* new definitions for UAC2 */
537 SNDRV_CHMAP_TFLC, /* top front left center */
538 SNDRV_CHMAP_TFRC, /* top front right center */
539 SNDRV_CHMAP_TSL, /* top side left */
540 SNDRV_CHMAP_TSR, /* top side right */
541 SNDRV_CHMAP_LLFE, /* left LFE */
542 SNDRV_CHMAP_RLFE, /* right LFE */
543 SNDRV_CHMAP_BC, /* bottom center */
544 SNDRV_CHMAP_BLC, /* bottom left center */
545 SNDRV_CHMAP_BRC, /* bottom right center */
546 SNDRV_CHMAP_LAST = SNDRV_CHMAP_BRC,
547 };
548
549 #define SNDRV_CHMAP_POSITION_MASK 0xffff
550 #define SNDRV_CHMAP_PHASE_INVERSE (0x01 << 16)
551 #define SNDRV_CHMAP_DRIVER_SPEC (0x02 << 16)
552
553 #define SNDRV_PCM_IOCTL_PVERSION _IOR('A', 0x00, int)
554 #define SNDRV_PCM_IOCTL_INFO _IOR('A', 0x01, struct snd_pcm_info)
555 #define SNDRV_PCM_IOCTL_TSTAMP _IOW('A', 0x02, int)
556 #define SNDRV_PCM_IOCTL_TTSTAMP _IOW('A', 0x03, int)
557 #define SNDRV_PCM_IOCTL_HW_REFINE _IOWR('A', 0x10, struct snd_pcm_hw_params)
558 #define SNDRV_PCM_IOCTL_HW_PARAMS _IOWR('A', 0x11, struct snd_pcm_hw_params)
559 #define SNDRV_PCM_IOCTL_HW_FREE _IO('A', 0x12)
560 #define SNDRV_PCM_IOCTL_SW_PARAMS _IOWR('A', 0x13, struct snd_pcm_sw_params)
561 #define SNDRV_PCM_IOCTL_STATUS _IOR('A', 0x20, struct snd_pcm_status)
562 #define SNDRV_PCM_IOCTL_DELAY _IOR('A', 0x21, snd_pcm_sframes_t)
563 #define SNDRV_PCM_IOCTL_HWSYNC _IO('A', 0x22)
564 #define SNDRV_PCM_IOCTL_SYNC_PTR _IOWR('A', 0x23, struct snd_pcm_sync_ptr)
565 #define SNDRV_PCM_IOCTL_STATUS_EXT _IOWR('A', 0x24, struct snd_pcm_status)
566 #define SNDRV_PCM_IOCTL_CHANNEL_INFO _IOR('A', 0x32, struct snd_pcm_channel_info)
567 #define SNDRV_PCM_IOCTL_PREPARE _IO('A', 0x40)
568 #define SNDRV_PCM_IOCTL_RESET _IO('A', 0x41)
569 #define SNDRV_PCM_IOCTL_START _IO('A', 0x42)
570 #define SNDRV_PCM_IOCTL_DROP _IO('A', 0x43)
571 #define SNDRV_PCM_IOCTL_DRAIN _IO('A', 0x44)
572 #define SNDRV_PCM_IOCTL_PAUSE _IOW('A', 0x45, int)
573 #define SNDRV_PCM_IOCTL_REWIND _IOW('A', 0x46, snd_pcm_uframes_t)
574 #define SNDRV_PCM_IOCTL_RESUME _IO('A', 0x47)
575 #define SNDRV_PCM_IOCTL_XRUN _IO('A', 0x48)
576 #define SNDRV_PCM_IOCTL_FORWARD _IOW('A', 0x49, snd_pcm_uframes_t)
577 #define SNDRV_PCM_IOCTL_WRITEI_FRAMES _IOW('A', 0x50, struct snd_xferi)
578 #define SNDRV_PCM_IOCTL_READI_FRAMES _IOR('A', 0x51, struct snd_xferi)
579 #define SNDRV_PCM_IOCTL_WRITEN_FRAMES _IOW('A', 0x52, struct snd_xfern)
580 #define SNDRV_PCM_IOCTL_READN_FRAMES _IOR('A', 0x53, struct snd_xfern)
581 #define SNDRV_PCM_IOCTL_LINK _IOW('A', 0x60, int)
582 #define SNDRV_PCM_IOCTL_UNLINK _IO('A', 0x61)
583
584 /*****************************************************************************
585 * *
586 * MIDI v1.0 interface *
587 * *
588 *****************************************************************************/
589
590 /*
591 * Raw MIDI section - /dev/snd/midi??
592 */
593
594 #define SNDRV_RAWMIDI_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 0)
595
596 enum {
597 SNDRV_RAWMIDI_STREAM_OUTPUT = 0,
598 SNDRV_RAWMIDI_STREAM_INPUT,
599 SNDRV_RAWMIDI_STREAM_LAST = SNDRV_RAWMIDI_STREAM_INPUT,
600 };
601
602 #define SNDRV_RAWMIDI_INFO_OUTPUT 0x00000001
603 #define SNDRV_RAWMIDI_INFO_INPUT 0x00000002
604 #define SNDRV_RAWMIDI_INFO_DUPLEX 0x00000004
605
606 struct snd_rawmidi_info {
607 unsigned int device; /* RO/WR (control): device number */
608 unsigned int subdevice; /* RO/WR (control): subdevice number */
609 int stream; /* WR: stream */
610 int card; /* R: card number */
611 unsigned int flags; /* SNDRV_RAWMIDI_INFO_XXXX */
612 unsigned char id[64]; /* ID (user selectable) */
613 unsigned char name[80]; /* name of device */
614 unsigned char subname[32]; /* name of active or selected subdevice */
615 unsigned int subdevices_count;
616 unsigned int subdevices_avail;
617 unsigned char reserved[64]; /* reserved for future use */
618 };
619
620 struct snd_rawmidi_params {
621 int stream;
622 size_t buffer_size; /* queue size in bytes */
623 size_t avail_min; /* minimum avail bytes for wakeup */
624 unsigned int no_active_sensing: 1; /* do not send active sensing byte in close() */
625 unsigned char reserved[16]; /* reserved for future use */
626 };
627
628 struct snd_rawmidi_status {
629 int stream;
630 struct timespec tstamp; /* Timestamp */
631 size_t avail; /* available bytes */
632 size_t xruns; /* count of overruns since last status (in bytes) */
633 unsigned char reserved[16]; /* reserved for future use */
634 };
635
636 #define SNDRV_RAWMIDI_IOCTL_PVERSION _IOR('W', 0x00, int)
637 #define SNDRV_RAWMIDI_IOCTL_INFO _IOR('W', 0x01, struct snd_rawmidi_info)
638 #define SNDRV_RAWMIDI_IOCTL_PARAMS _IOWR('W', 0x10, struct snd_rawmidi_params)
639 #define SNDRV_RAWMIDI_IOCTL_STATUS _IOWR('W', 0x20, struct snd_rawmidi_status)
640 #define SNDRV_RAWMIDI_IOCTL_DROP _IOW('W', 0x30, int)
641 #define SNDRV_RAWMIDI_IOCTL_DRAIN _IOW('W', 0x31, int)
642
643 /*
644 * Timer section - /dev/snd/timer
645 */
646
647 #define SNDRV_TIMER_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 6)
648
649 enum {
650 SNDRV_TIMER_CLASS_NONE = -1,
651 SNDRV_TIMER_CLASS_SLAVE = 0,
652 SNDRV_TIMER_CLASS_GLOBAL,
653 SNDRV_TIMER_CLASS_CARD,
654 SNDRV_TIMER_CLASS_PCM,
655 SNDRV_TIMER_CLASS_LAST = SNDRV_TIMER_CLASS_PCM,
656 };
657
658 /* slave timer classes */
659 enum {
660 SNDRV_TIMER_SCLASS_NONE = 0,
661 SNDRV_TIMER_SCLASS_APPLICATION,
662 SNDRV_TIMER_SCLASS_SEQUENCER, /* alias */
663 SNDRV_TIMER_SCLASS_OSS_SEQUENCER, /* alias */
664 SNDRV_TIMER_SCLASS_LAST = SNDRV_TIMER_SCLASS_OSS_SEQUENCER,
665 };
666
667 /* global timers (device member) */
668 #define SNDRV_TIMER_GLOBAL_SYSTEM 0
669 #define SNDRV_TIMER_GLOBAL_RTC 1
670 #define SNDRV_TIMER_GLOBAL_HPET 2
671 #define SNDRV_TIMER_GLOBAL_HRTIMER 3
672
673 /* info flags */
674 #define SNDRV_TIMER_FLG_SLAVE (1<<0) /* cannot be controlled */
675
676 struct snd_timer_id {
677 int dev_class;
678 int dev_sclass;
679 int card;
680 int device;
681 int subdevice;
682 };
683
684 struct snd_timer_ginfo {
685 struct snd_timer_id tid; /* requested timer ID */
686 unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */
687 int card; /* card number */
688 unsigned char id[64]; /* timer identification */
689 unsigned char name[80]; /* timer name */
690 unsigned long reserved0; /* reserved for future use */
691 unsigned long resolution; /* average period resolution in ns */
692 unsigned long resolution_min; /* minimal period resolution in ns */
693 unsigned long resolution_max; /* maximal period resolution in ns */
694 unsigned int clients; /* active timer clients */
695 unsigned char reserved[32];
696 };
697
698 struct snd_timer_gparams {
699 struct snd_timer_id tid; /* requested timer ID */
700 unsigned long period_num; /* requested precise period duration (in seconds) - numerator */
701 unsigned long period_den; /* requested precise period duration (in seconds) - denominator */
702 unsigned char reserved[32];
703 };
704
705 struct snd_timer_gstatus {
706 struct snd_timer_id tid; /* requested timer ID */
707 unsigned long resolution; /* current period resolution in ns */
708 unsigned long resolution_num; /* precise current period resolution (in seconds) - numerator */
709 unsigned long resolution_den; /* precise current period resolution (in seconds) - denominator */
710 unsigned char reserved[32];
711 };
712
713 struct snd_timer_select {
714 struct snd_timer_id id; /* bind to timer ID */
715 unsigned char reserved[32]; /* reserved */
716 };
717
718 struct snd_timer_info {
719 unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */
720 int card; /* card number */
721 unsigned char id[64]; /* timer identificator */
722 unsigned char name[80]; /* timer name */
723 unsigned long reserved0; /* reserved for future use */
724 unsigned long resolution; /* average period resolution in ns */
725 unsigned char reserved[64]; /* reserved */
726 };
727
728 #define SNDRV_TIMER_PSFLG_AUTO (1<<0) /* auto start, otherwise one-shot */
729 #define SNDRV_TIMER_PSFLG_EXCLUSIVE (1<<1) /* exclusive use, precise start/stop/pause/continue */
730 #define SNDRV_TIMER_PSFLG_EARLY_EVENT (1<<2) /* write early event to the poll queue */
731
732 struct snd_timer_params {
733 unsigned int flags; /* flags - SNDRV_MIXER_PSFLG_* */
734 unsigned int ticks; /* requested resolution in ticks */
735 unsigned int queue_size; /* total size of queue (32-1024) */
736 unsigned int reserved0; /* reserved, was: failure locations */
737 unsigned int filter; /* event filter (bitmask of SNDRV_TIMER_EVENT_*) */
738 unsigned char reserved[60]; /* reserved */
739 };
740
741 struct snd_timer_status {
742 struct timespec tstamp; /* Timestamp - last update */
743 unsigned int resolution; /* current period resolution in ns */
744 unsigned int lost; /* counter of master tick lost */
745 unsigned int overrun; /* count of read queue overruns */
746 unsigned int queue; /* used queue size */
747 unsigned char reserved[64]; /* reserved */
748 };
749
750 #define SNDRV_TIMER_IOCTL_PVERSION _IOR('T', 0x00, int)
751 #define SNDRV_TIMER_IOCTL_NEXT_DEVICE _IOWR('T', 0x01, struct snd_timer_id)
752 #define SNDRV_TIMER_IOCTL_TREAD _IOW('T', 0x02, int)
753 #define SNDRV_TIMER_IOCTL_GINFO _IOWR('T', 0x03, struct snd_timer_ginfo)
754 #define SNDRV_TIMER_IOCTL_GPARAMS _IOW('T', 0x04, struct snd_timer_gparams)
755 #define SNDRV_TIMER_IOCTL_GSTATUS _IOWR('T', 0x05, struct snd_timer_gstatus)
756 #define SNDRV_TIMER_IOCTL_SELECT _IOW('T', 0x10, struct snd_timer_select)
757 #define SNDRV_TIMER_IOCTL_INFO _IOR('T', 0x11, struct snd_timer_info)
758 #define SNDRV_TIMER_IOCTL_PARAMS _IOW('T', 0x12, struct snd_timer_params)
759 #define SNDRV_TIMER_IOCTL_STATUS _IOR('T', 0x14, struct snd_timer_status)
760 /* The following four ioctls are changed since 1.0.9 due to confliction */
761 #define SNDRV_TIMER_IOCTL_START _IO('T', 0xa0)
762 #define SNDRV_TIMER_IOCTL_STOP _IO('T', 0xa1)
763 #define SNDRV_TIMER_IOCTL_CONTINUE _IO('T', 0xa2)
764 #define SNDRV_TIMER_IOCTL_PAUSE _IO('T', 0xa3)
765
766 struct snd_timer_read {
767 unsigned int resolution;
768 unsigned int ticks;
769 };
770
771 enum {
772 SNDRV_TIMER_EVENT_RESOLUTION = 0, /* val = resolution in ns */
773 SNDRV_TIMER_EVENT_TICK, /* val = ticks */
774 SNDRV_TIMER_EVENT_START, /* val = resolution in ns */
775 SNDRV_TIMER_EVENT_STOP, /* val = 0 */
776 SNDRV_TIMER_EVENT_CONTINUE, /* val = resolution in ns */
777 SNDRV_TIMER_EVENT_PAUSE, /* val = 0 */
778 SNDRV_TIMER_EVENT_EARLY, /* val = 0, early event */
779 SNDRV_TIMER_EVENT_SUSPEND, /* val = 0 */
780 SNDRV_TIMER_EVENT_RESUME, /* val = resolution in ns */
781 /* master timer events for slave timer instances */
782 SNDRV_TIMER_EVENT_MSTART = SNDRV_TIMER_EVENT_START + 10,
783 SNDRV_TIMER_EVENT_MSTOP = SNDRV_TIMER_EVENT_STOP + 10,
784 SNDRV_TIMER_EVENT_MCONTINUE = SNDRV_TIMER_EVENT_CONTINUE + 10,
785 SNDRV_TIMER_EVENT_MPAUSE = SNDRV_TIMER_EVENT_PAUSE + 10,
786 SNDRV_TIMER_EVENT_MSUSPEND = SNDRV_TIMER_EVENT_SUSPEND + 10,
787 SNDRV_TIMER_EVENT_MRESUME = SNDRV_TIMER_EVENT_RESUME + 10,
788 };
789
790 struct snd_timer_tread {
791 int event;
792 struct timespec tstamp;
793 unsigned int val;
794 };
795
796 /****************************************************************************
797 * *
798 * Section for driver control interface - /dev/snd/control? *
799 * *
800 ****************************************************************************/
801
802 #define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 7)
803
804 struct snd_ctl_card_info {
805 int card; /* card number */
806 int pad; /* reserved for future (was type) */
807 unsigned char id[16]; /* ID of card (user selectable) */
808 unsigned char driver[16]; /* Driver name */
809 unsigned char name[32]; /* Short name of soundcard */
810 unsigned char longname[80]; /* name + info text about soundcard */
811 unsigned char reserved_[16]; /* reserved for future (was ID of mixer) */
812 unsigned char mixername[80]; /* visual mixer identification */
813 unsigned char components[128]; /* card components / fine identification, delimited with one space (AC97 etc..) */
814 };
815
816 typedef int __bitwise snd_ctl_elem_type_t;
817 #define SNDRV_CTL_ELEM_TYPE_NONE ((__force snd_ctl_elem_type_t) 0) /* invalid */
818 #define SNDRV_CTL_ELEM_TYPE_BOOLEAN ((__force snd_ctl_elem_type_t) 1) /* boolean type */
819 #define SNDRV_CTL_ELEM_TYPE_INTEGER ((__force snd_ctl_elem_type_t) 2) /* integer type */
820 #define SNDRV_CTL_ELEM_TYPE_ENUMERATED ((__force snd_ctl_elem_type_t) 3) /* enumerated type */
821 #define SNDRV_CTL_ELEM_TYPE_BYTES ((__force snd_ctl_elem_type_t) 4) /* byte array */
822 #define SNDRV_CTL_ELEM_TYPE_IEC958 ((__force snd_ctl_elem_type_t) 5) /* IEC958 (S/PDIF) setup */
823 #define SNDRV_CTL_ELEM_TYPE_INTEGER64 ((__force snd_ctl_elem_type_t) 6) /* 64-bit integer type */
824 #define SNDRV_CTL_ELEM_TYPE_LAST SNDRV_CTL_ELEM_TYPE_INTEGER64
825
826 typedef int __bitwise snd_ctl_elem_iface_t;
827 #define SNDRV_CTL_ELEM_IFACE_CARD ((__force snd_ctl_elem_iface_t) 0) /* global control */
828 #define SNDRV_CTL_ELEM_IFACE_HWDEP ((__force snd_ctl_elem_iface_t) 1) /* hardware dependent device */
829 #define SNDRV_CTL_ELEM_IFACE_MIXER ((__force snd_ctl_elem_iface_t) 2) /* virtual mixer device */
830 #define SNDRV_CTL_ELEM_IFACE_PCM ((__force snd_ctl_elem_iface_t) 3) /* PCM device */
831 #define SNDRV_CTL_ELEM_IFACE_RAWMIDI ((__force snd_ctl_elem_iface_t) 4) /* RawMidi device */
832 #define SNDRV_CTL_ELEM_IFACE_TIMER ((__force snd_ctl_elem_iface_t) 5) /* timer device */
833 #define SNDRV_CTL_ELEM_IFACE_SEQUENCER ((__force snd_ctl_elem_iface_t) 6) /* sequencer client */
834 #define SNDRV_CTL_ELEM_IFACE_LAST SNDRV_CTL_ELEM_IFACE_SEQUENCER
835
836 #define SNDRV_CTL_ELEM_ACCESS_READ (1<<0)
837 #define SNDRV_CTL_ELEM_ACCESS_WRITE (1<<1)
838 #define SNDRV_CTL_ELEM_ACCESS_READWRITE (SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE)
839 #define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1<<2) /* control value may be changed without a notification */
840 #define SNDRV_CTL_ELEM_ACCESS_TIMESTAMP (1<<3) /* when was control changed */
841 #define SNDRV_CTL_ELEM_ACCESS_TLV_READ (1<<4) /* TLV read is possible */
842 #define SNDRV_CTL_ELEM_ACCESS_TLV_WRITE (1<<5) /* TLV write is possible */
843 #define SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE (SNDRV_CTL_ELEM_ACCESS_TLV_READ|SNDRV_CTL_ELEM_ACCESS_TLV_WRITE)
844 #define SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND (1<<6) /* TLV command is possible */
845 #define SNDRV_CTL_ELEM_ACCESS_INACTIVE (1<<8) /* control does actually nothing, but may be updated */
846 #define SNDRV_CTL_ELEM_ACCESS_LOCK (1<<9) /* write lock */
847 #define SNDRV_CTL_ELEM_ACCESS_OWNER (1<<10) /* write lock owner */
848 #define SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK (1<<28) /* kernel use a TLV callback */
849 #define SNDRV_CTL_ELEM_ACCESS_USER (1<<29) /* user space element */
850 /* bits 30 and 31 are obsoleted (for indirect access) */
851
852 /* for further details see the ACPI and PCI power management specification */
853 #define SNDRV_CTL_POWER_D0 0x0000 /* full On */
854 #define SNDRV_CTL_POWER_D1 0x0100 /* partial On */
855 #define SNDRV_CTL_POWER_D2 0x0200 /* partial On */
856 #define SNDRV_CTL_POWER_D3 0x0300 /* Off */
857 #define SNDRV_CTL_POWER_D3hot (SNDRV_CTL_POWER_D3|0x0000) /* Off, with power */
858 #define SNDRV_CTL_POWER_D3cold (SNDRV_CTL_POWER_D3|0x0001) /* Off, without power */
859
860 #define SNDRV_CTL_ELEM_ID_NAME_MAXLEN 44
861
862 struct snd_ctl_elem_id {
863 unsigned int numid; /* numeric identifier, zero = invalid */
864 snd_ctl_elem_iface_t iface; /* interface identifier */
865 unsigned int device; /* device/client number */
866 unsigned int subdevice; /* subdevice (substream) number */
867 unsigned char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* ASCII name of item */
868 unsigned int index; /* index of item */
869 };
870
871 struct snd_ctl_elem_list {
872 unsigned int offset; /* W: first element ID to get */
873 unsigned int space; /* W: count of element IDs to get */
874 unsigned int used; /* R: count of element IDs set */
875 unsigned int count; /* R: count of all elements */
876 struct snd_ctl_elem_id __user *pids; /* R: IDs */
877 unsigned char reserved[50];
878 };
879
880 struct snd_ctl_elem_info {
881 struct snd_ctl_elem_id id; /* W: element ID */
882 snd_ctl_elem_type_t type; /* R: value type - SNDRV_CTL_ELEM_TYPE_* */
883 unsigned int access; /* R: value access (bitmask) - SNDRV_CTL_ELEM_ACCESS_* */
884 unsigned int count; /* count of values */
885 __kernel_pid_t owner; /* owner's PID of this control */
886 union {
887 struct {
888 long min; /* R: minimum value */
889 long max; /* R: maximum value */
890 long step; /* R: step (0 variable) */
891 } integer;
892 struct {
893 long long min; /* R: minimum value */
894 long long max; /* R: maximum value */
895 long long step; /* R: step (0 variable) */
896 } integer64;
897 struct {
898 unsigned int items; /* R: number of items */
899 unsigned int item; /* W: item number */
900 char name[64]; /* R: value name */
901 __u64 names_ptr; /* W: names list (ELEM_ADD only) */
902 unsigned int names_length;
903 } enumerated;
904 unsigned char reserved[128];
905 } value;
906 union {
907 unsigned short d[4]; /* dimensions */
908 unsigned short *d_ptr; /* indirect - obsoleted */
909 } dimen;
910 unsigned char reserved[64-4*sizeof(unsigned short)];
911 };
912
913 struct snd_ctl_elem_value {
914 struct snd_ctl_elem_id id; /* W: element ID */
915 unsigned int indirect: 1; /* W: indirect access - obsoleted */
916 union {
917 union {
918 long value[128];
919 long *value_ptr; /* obsoleted */
920 } integer;
921 union {
922 long long value[64];
923 long long *value_ptr; /* obsoleted */
924 } integer64;
925 union {
926 unsigned int item[128];
927 unsigned int *item_ptr; /* obsoleted */
928 } enumerated;
929 union {
930 unsigned char data[512];
931 unsigned char *data_ptr; /* obsoleted */
932 } bytes;
933 struct snd_aes_iec958 iec958;
934 } value; /* RO */
935 struct timespec tstamp;
936 unsigned char reserved[128-sizeof(struct timespec)];
937 };
938
939 struct snd_ctl_tlv {
940 unsigned int numid; /* control element numeric identification */
941 unsigned int length; /* in bytes aligned to 4 */
942 unsigned int tlv[0]; /* first TLV */
943 };
944
945 #define SNDRV_CTL_IOCTL_PVERSION _IOR('U', 0x00, int)
946 #define SNDRV_CTL_IOCTL_CARD_INFO _IOR('U', 0x01, struct snd_ctl_card_info)
947 #define SNDRV_CTL_IOCTL_ELEM_LIST _IOWR('U', 0x10, struct snd_ctl_elem_list)
948 #define SNDRV_CTL_IOCTL_ELEM_INFO _IOWR('U', 0x11, struct snd_ctl_elem_info)
949 #define SNDRV_CTL_IOCTL_ELEM_READ _IOWR('U', 0x12, struct snd_ctl_elem_value)
950 #define SNDRV_CTL_IOCTL_ELEM_WRITE _IOWR('U', 0x13, struct snd_ctl_elem_value)
951 #define SNDRV_CTL_IOCTL_ELEM_LOCK _IOW('U', 0x14, struct snd_ctl_elem_id)
952 #define SNDRV_CTL_IOCTL_ELEM_UNLOCK _IOW('U', 0x15, struct snd_ctl_elem_id)
953 #define SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS _IOWR('U', 0x16, int)
954 #define SNDRV_CTL_IOCTL_ELEM_ADD _IOWR('U', 0x17, struct snd_ctl_elem_info)
955 #define SNDRV_CTL_IOCTL_ELEM_REPLACE _IOWR('U', 0x18, struct snd_ctl_elem_info)
956 #define SNDRV_CTL_IOCTL_ELEM_REMOVE _IOWR('U', 0x19, struct snd_ctl_elem_id)
957 #define SNDRV_CTL_IOCTL_TLV_READ _IOWR('U', 0x1a, struct snd_ctl_tlv)
958 #define SNDRV_CTL_IOCTL_TLV_WRITE _IOWR('U', 0x1b, struct snd_ctl_tlv)
959 #define SNDRV_CTL_IOCTL_TLV_COMMAND _IOWR('U', 0x1c, struct snd_ctl_tlv)
960 #define SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE _IOWR('U', 0x20, int)
961 #define SNDRV_CTL_IOCTL_HWDEP_INFO _IOR('U', 0x21, struct snd_hwdep_info)
962 #define SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE _IOR('U', 0x30, int)
963 #define SNDRV_CTL_IOCTL_PCM_INFO _IOWR('U', 0x31, struct snd_pcm_info)
964 #define SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE _IOW('U', 0x32, int)
965 #define SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE _IOWR('U', 0x40, int)
966 #define SNDRV_CTL_IOCTL_RAWMIDI_INFO _IOWR('U', 0x41, struct snd_rawmidi_info)
967 #define SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE _IOW('U', 0x42, int)
968 #define SNDRV_CTL_IOCTL_POWER _IOWR('U', 0xd0, int)
969 #define SNDRV_CTL_IOCTL_POWER_STATE _IOR('U', 0xd1, int)
970
971 /*
972 * Read interface.
973 */
974
975 enum sndrv_ctl_event_type {
976 SNDRV_CTL_EVENT_ELEM = 0,
977 SNDRV_CTL_EVENT_LAST = SNDRV_CTL_EVENT_ELEM,
978 };
979
980 #define SNDRV_CTL_EVENT_MASK_VALUE (1<<0) /* element value was changed */
981 #define SNDRV_CTL_EVENT_MASK_INFO (1<<1) /* element info was changed */
982 #define SNDRV_CTL_EVENT_MASK_ADD (1<<2) /* element was added */
983 #define SNDRV_CTL_EVENT_MASK_TLV (1<<3) /* element TLV tree was changed */
984 #define SNDRV_CTL_EVENT_MASK_REMOVE (~0U) /* element was removed */
985
986 struct snd_ctl_event {
987 int type; /* event type - SNDRV_CTL_EVENT_* */
988 union {
989 struct {
990 unsigned int mask;
991 struct snd_ctl_elem_id id;
992 } elem;
993 unsigned char data8[60];
994 } data;
995 };
996
997 /*
998 * Control names
999 */
1000
1001 #define SNDRV_CTL_NAME_NONE ""
1002 #define SNDRV_CTL_NAME_PLAYBACK "Playback "
1003 #define SNDRV_CTL_NAME_CAPTURE "Capture "
1004
1005 #define SNDRV_CTL_NAME_IEC958_NONE ""
1006 #define SNDRV_CTL_NAME_IEC958_SWITCH "Switch"
1007 #define SNDRV_CTL_NAME_IEC958_VOLUME "Volume"
1008 #define SNDRV_CTL_NAME_IEC958_DEFAULT "Default"
1009 #define SNDRV_CTL_NAME_IEC958_MASK "Mask"
1010 #define SNDRV_CTL_NAME_IEC958_CON_MASK "Con Mask"
1011 #define SNDRV_CTL_NAME_IEC958_PRO_MASK "Pro Mask"
1012 #define SNDRV_CTL_NAME_IEC958_PCM_STREAM "PCM Stream"
1013 #define SNDRV_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SNDRV_CTL_NAME_##direction SNDRV_CTL_NAME_IEC958_##what
1014
1015 #endif /* _UAPI__SOUND_ASOUND_H */
Linux with added FPC-III support