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1da177e4 LT |
1 | /* |
2 | * Advanced Linux Sound Architecture - ALSA - Driver | |
3 | * Copyright (c) 1994-2003 by Jaroslav Kysela <perex@suse.cz>, | |
4 | * Abramo Bagnara <abramo@alsa-project.org> | |
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 __SOUND_ASOUND_H | |
24 | #define __SOUND_ASOUND_H | |
25 | ||
26 | #if defined(LINUX) || defined(__LINUX__) || defined(__linux__) | |
27 | ||
28 | #include <linux/ioctl.h> | |
29 | ||
30 | #ifdef __KERNEL__ | |
31 | ||
32 | #include <linux/types.h> | |
33 | #include <linux/time.h> | |
34 | #include <asm/byteorder.h> | |
35 | ||
36 | #ifdef __LITTLE_ENDIAN | |
37 | #define SNDRV_LITTLE_ENDIAN | |
38 | #else | |
39 | #ifdef __BIG_ENDIAN | |
40 | #define SNDRV_BIG_ENDIAN | |
41 | #else | |
42 | #error "Unsupported endian..." | |
43 | #endif | |
44 | #endif | |
45 | ||
46 | #else /* !__KERNEL__ */ | |
47 | ||
48 | #include <endian.h> | |
49 | #if __BYTE_ORDER == __LITTLE_ENDIAN | |
50 | #define SNDRV_LITTLE_ENDIAN | |
51 | #elif __BYTE_ORDER == __BIG_ENDIAN | |
52 | #define SNDRV_BIG_ENDIAN | |
53 | #else | |
54 | #error "Unsupported endian..." | |
55 | #endif | |
56 | ||
57 | #endif /* __KERNEL **/ | |
58 | ||
59 | #endif /* LINUX */ | |
60 | ||
61 | #ifndef __KERNEL__ | |
62 | #include <sys/time.h> | |
63 | #include <sys/types.h> | |
64 | #endif | |
65 | ||
66 | /* | |
67 | * protocol version | |
68 | */ | |
69 | ||
70 | #define SNDRV_PROTOCOL_VERSION(major, minor, subminor) (((major)<<16)|((minor)<<8)|(subminor)) | |
71 | #define SNDRV_PROTOCOL_MAJOR(version) (((version)>>16)&0xffff) | |
72 | #define SNDRV_PROTOCOL_MINOR(version) (((version)>>8)&0xff) | |
73 | #define SNDRV_PROTOCOL_MICRO(version) ((version)&0xff) | |
74 | #define SNDRV_PROTOCOL_INCOMPATIBLE(kversion, uversion) \ | |
75 | (SNDRV_PROTOCOL_MAJOR(kversion) != SNDRV_PROTOCOL_MAJOR(uversion) || \ | |
76 | (SNDRV_PROTOCOL_MAJOR(kversion) == SNDRV_PROTOCOL_MAJOR(uversion) && \ | |
77 | SNDRV_PROTOCOL_MINOR(kversion) != SNDRV_PROTOCOL_MINOR(uversion))) | |
78 | ||
79 | /**************************************************************************** | |
80 | * * | |
81 | * Digital audio interface * | |
82 | * * | |
83 | ****************************************************************************/ | |
84 | ||
85 | struct sndrv_aes_iec958 { | |
86 | unsigned char status[24]; /* AES/IEC958 channel status bits */ | |
87 | unsigned char subcode[147]; /* AES/IEC958 subcode bits */ | |
88 | unsigned char pad; /* nothing */ | |
89 | unsigned char dig_subframe[4]; /* AES/IEC958 subframe bits */ | |
90 | }; | |
91 | ||
92 | /**************************************************************************** | |
93 | * * | |
94 | * Section for driver hardware dependent interface - /dev/snd/hw? * | |
95 | * * | |
96 | ****************************************************************************/ | |
97 | ||
98 | #define SNDRV_HWDEP_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1) | |
99 | ||
100 | enum sndrv_hwdep_iface { | |
101 | SNDRV_HWDEP_IFACE_OPL2 = 0, | |
102 | SNDRV_HWDEP_IFACE_OPL3, | |
103 | SNDRV_HWDEP_IFACE_OPL4, | |
104 | SNDRV_HWDEP_IFACE_SB16CSP, /* Creative Signal Processor */ | |
105 | SNDRV_HWDEP_IFACE_EMU10K1, /* FX8010 processor in EMU10K1 chip */ | |
106 | SNDRV_HWDEP_IFACE_YSS225, /* Yamaha FX processor */ | |
107 | SNDRV_HWDEP_IFACE_ICS2115, /* Wavetable synth */ | |
108 | SNDRV_HWDEP_IFACE_SSCAPE, /* Ensoniq SoundScape ISA card (MC68EC000) */ | |
109 | SNDRV_HWDEP_IFACE_VX, /* Digigram VX cards */ | |
110 | SNDRV_HWDEP_IFACE_MIXART, /* Digigram miXart cards */ | |
111 | SNDRV_HWDEP_IFACE_USX2Y, /* Tascam US122, US224 & US428 usb */ | |
112 | SNDRV_HWDEP_IFACE_EMUX_WAVETABLE, /* EmuX wavetable */ | |
113 | SNDRV_HWDEP_IFACE_BLUETOOTH, /* Bluetooth audio */ | |
114 | SNDRV_HWDEP_IFACE_USX2Y_PCM, /* Tascam US122, US224 & US428 rawusb pcm */ | |
115 | SNDRV_HWDEP_IFACE_PCXHR, /* Digigram PCXHR */ | |
116 | ||
117 | /* Don't forget to change the following: */ | |
118 | SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_PCXHR | |
119 | }; | |
120 | ||
121 | struct sndrv_hwdep_info { | |
122 | unsigned int device; /* WR: device number */ | |
123 | int card; /* R: card number */ | |
124 | unsigned char id[64]; /* ID (user selectable) */ | |
125 | unsigned char name[80]; /* hwdep name */ | |
126 | enum sndrv_hwdep_iface iface; /* hwdep interface */ | |
127 | unsigned char reserved[64]; /* reserved for future */ | |
128 | }; | |
129 | ||
130 | /* generic DSP loader */ | |
131 | struct sndrv_hwdep_dsp_status { | |
132 | unsigned int version; /* R: driver-specific version */ | |
133 | unsigned char id[32]; /* R: driver-specific ID string */ | |
134 | unsigned int num_dsps; /* R: number of DSP images to transfer */ | |
135 | unsigned int dsp_loaded; /* R: bit flags indicating the loaded DSPs */ | |
136 | unsigned int chip_ready; /* R: 1 = initialization finished */ | |
137 | unsigned char reserved[16]; /* reserved for future use */ | |
138 | }; | |
139 | ||
140 | struct sndrv_hwdep_dsp_image { | |
141 | unsigned int index; /* W: DSP index */ | |
142 | unsigned char name[64]; /* W: ID (e.g. file name) */ | |
143 | unsigned char __user *image; /* W: binary image */ | |
144 | size_t length; /* W: size of image in bytes */ | |
145 | unsigned long driver_data; /* W: driver-specific data */ | |
146 | }; | |
147 | ||
148 | enum { | |
149 | SNDRV_HWDEP_IOCTL_PVERSION = _IOR ('H', 0x00, int), | |
150 | SNDRV_HWDEP_IOCTL_INFO = _IOR ('H', 0x01, struct sndrv_hwdep_info), | |
151 | SNDRV_HWDEP_IOCTL_DSP_STATUS = _IOR('H', 0x02, struct sndrv_hwdep_dsp_status), | |
152 | SNDRV_HWDEP_IOCTL_DSP_LOAD = _IOW('H', 0x03, struct sndrv_hwdep_dsp_image) | |
153 | }; | |
154 | ||
155 | /***************************************************************************** | |
156 | * * | |
157 | * Digital Audio (PCM) interface - /dev/snd/pcm?? * | |
158 | * * | |
159 | *****************************************************************************/ | |
160 | ||
161 | #define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 7) | |
162 | ||
163 | typedef unsigned long sndrv_pcm_uframes_t; | |
164 | typedef long sndrv_pcm_sframes_t; | |
165 | ||
166 | enum sndrv_pcm_class { | |
167 | SNDRV_PCM_CLASS_GENERIC = 0, /* standard mono or stereo device */ | |
168 | SNDRV_PCM_CLASS_MULTI, /* multichannel device */ | |
169 | SNDRV_PCM_CLASS_MODEM, /* software modem class */ | |
170 | SNDRV_PCM_CLASS_DIGITIZER, /* digitizer class */ | |
171 | /* Don't forget to change the following: */ | |
172 | SNDRV_PCM_CLASS_LAST = SNDRV_PCM_CLASS_DIGITIZER, | |
173 | }; | |
174 | ||
175 | enum sndrv_pcm_subclass { | |
176 | SNDRV_PCM_SUBCLASS_GENERIC_MIX = 0, /* mono or stereo subdevices are mixed together */ | |
177 | SNDRV_PCM_SUBCLASS_MULTI_MIX, /* multichannel subdevices are mixed together */ | |
178 | /* Don't forget to change the following: */ | |
179 | SNDRV_PCM_SUBCLASS_LAST = SNDRV_PCM_SUBCLASS_MULTI_MIX, | |
180 | }; | |
181 | ||
182 | enum sndrv_pcm_stream { | |
183 | SNDRV_PCM_STREAM_PLAYBACK = 0, | |
184 | SNDRV_PCM_STREAM_CAPTURE, | |
185 | SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE, | |
186 | }; | |
187 | ||
188 | enum sndrv_pcm_access { | |
189 | SNDRV_PCM_ACCESS_MMAP_INTERLEAVED = 0, /* interleaved mmap */ | |
190 | SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED, /* noninterleaved mmap */ | |
191 | SNDRV_PCM_ACCESS_MMAP_COMPLEX, /* complex mmap */ | |
192 | SNDRV_PCM_ACCESS_RW_INTERLEAVED, /* readi/writei */ | |
193 | SNDRV_PCM_ACCESS_RW_NONINTERLEAVED, /* readn/writen */ | |
194 | SNDRV_PCM_ACCESS_LAST = SNDRV_PCM_ACCESS_RW_NONINTERLEAVED, | |
195 | }; | |
196 | ||
197 | enum sndrv_pcm_format { | |
198 | SNDRV_PCM_FORMAT_S8 = 0, | |
199 | SNDRV_PCM_FORMAT_U8, | |
200 | SNDRV_PCM_FORMAT_S16_LE, | |
201 | SNDRV_PCM_FORMAT_S16_BE, | |
202 | SNDRV_PCM_FORMAT_U16_LE, | |
203 | SNDRV_PCM_FORMAT_U16_BE, | |
204 | SNDRV_PCM_FORMAT_S24_LE, /* low three bytes */ | |
205 | SNDRV_PCM_FORMAT_S24_BE, /* low three bytes */ | |
206 | SNDRV_PCM_FORMAT_U24_LE, /* low three bytes */ | |
207 | SNDRV_PCM_FORMAT_U24_BE, /* low three bytes */ | |
208 | SNDRV_PCM_FORMAT_S32_LE, | |
209 | SNDRV_PCM_FORMAT_S32_BE, | |
210 | SNDRV_PCM_FORMAT_U32_LE, | |
211 | SNDRV_PCM_FORMAT_U32_BE, | |
212 | SNDRV_PCM_FORMAT_FLOAT_LE, /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */ | |
213 | SNDRV_PCM_FORMAT_FLOAT_BE, /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */ | |
214 | SNDRV_PCM_FORMAT_FLOAT64_LE, /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */ | |
215 | SNDRV_PCM_FORMAT_FLOAT64_BE, /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */ | |
216 | SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE, /* IEC-958 subframe, Little Endian */ | |
217 | SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE, /* IEC-958 subframe, Big Endian */ | |
218 | SNDRV_PCM_FORMAT_MU_LAW, | |
219 | SNDRV_PCM_FORMAT_A_LAW, | |
220 | SNDRV_PCM_FORMAT_IMA_ADPCM, | |
221 | SNDRV_PCM_FORMAT_MPEG, | |
222 | SNDRV_PCM_FORMAT_GSM, | |
223 | SNDRV_PCM_FORMAT_SPECIAL = 31, | |
224 | SNDRV_PCM_FORMAT_S24_3LE = 32, /* in three bytes */ | |
225 | SNDRV_PCM_FORMAT_S24_3BE, /* in three bytes */ | |
226 | SNDRV_PCM_FORMAT_U24_3LE, /* in three bytes */ | |
227 | SNDRV_PCM_FORMAT_U24_3BE, /* in three bytes */ | |
228 | SNDRV_PCM_FORMAT_S20_3LE, /* in three bytes */ | |
229 | SNDRV_PCM_FORMAT_S20_3BE, /* in three bytes */ | |
230 | SNDRV_PCM_FORMAT_U20_3LE, /* in three bytes */ | |
231 | SNDRV_PCM_FORMAT_U20_3BE, /* in three bytes */ | |
232 | SNDRV_PCM_FORMAT_S18_3LE, /* in three bytes */ | |
233 | SNDRV_PCM_FORMAT_S18_3BE, /* in three bytes */ | |
234 | SNDRV_PCM_FORMAT_U18_3LE, /* in three bytes */ | |
235 | SNDRV_PCM_FORMAT_U18_3BE, /* in three bytes */ | |
236 | SNDRV_PCM_FORMAT_LAST = SNDRV_PCM_FORMAT_U18_3BE, | |
237 | ||
238 | #ifdef SNDRV_LITTLE_ENDIAN | |
239 | SNDRV_PCM_FORMAT_S16 = SNDRV_PCM_FORMAT_S16_LE, | |
240 | SNDRV_PCM_FORMAT_U16 = SNDRV_PCM_FORMAT_U16_LE, | |
241 | SNDRV_PCM_FORMAT_S24 = SNDRV_PCM_FORMAT_S24_LE, | |
242 | SNDRV_PCM_FORMAT_U24 = SNDRV_PCM_FORMAT_U24_LE, | |
243 | SNDRV_PCM_FORMAT_S32 = SNDRV_PCM_FORMAT_S32_LE, | |
244 | SNDRV_PCM_FORMAT_U32 = SNDRV_PCM_FORMAT_U32_LE, | |
245 | SNDRV_PCM_FORMAT_FLOAT = SNDRV_PCM_FORMAT_FLOAT_LE, | |
246 | SNDRV_PCM_FORMAT_FLOAT64 = SNDRV_PCM_FORMAT_FLOAT64_LE, | |
247 | SNDRV_PCM_FORMAT_IEC958_SUBFRAME = SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE, | |
248 | #endif | |
249 | #ifdef SNDRV_BIG_ENDIAN | |
250 | SNDRV_PCM_FORMAT_S16 = SNDRV_PCM_FORMAT_S16_BE, | |
251 | SNDRV_PCM_FORMAT_U16 = SNDRV_PCM_FORMAT_U16_BE, | |
252 | SNDRV_PCM_FORMAT_S24 = SNDRV_PCM_FORMAT_S24_BE, | |
253 | SNDRV_PCM_FORMAT_U24 = SNDRV_PCM_FORMAT_U24_BE, | |
254 | SNDRV_PCM_FORMAT_S32 = SNDRV_PCM_FORMAT_S32_BE, | |
255 | SNDRV_PCM_FORMAT_U32 = SNDRV_PCM_FORMAT_U32_BE, | |
256 | SNDRV_PCM_FORMAT_FLOAT = SNDRV_PCM_FORMAT_FLOAT_BE, | |
257 | SNDRV_PCM_FORMAT_FLOAT64 = SNDRV_PCM_FORMAT_FLOAT64_BE, | |
258 | SNDRV_PCM_FORMAT_IEC958_SUBFRAME = SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE, | |
259 | #endif | |
260 | }; | |
261 | ||
262 | enum sndrv_pcm_subformat { | |
263 | SNDRV_PCM_SUBFORMAT_STD = 0, | |
264 | SNDRV_PCM_SUBFORMAT_LAST = SNDRV_PCM_SUBFORMAT_STD, | |
265 | }; | |
266 | ||
267 | #define SNDRV_PCM_INFO_MMAP 0x00000001 /* hardware supports mmap */ | |
268 | #define SNDRV_PCM_INFO_MMAP_VALID 0x00000002 /* period data are valid during transfer */ | |
269 | #define SNDRV_PCM_INFO_DOUBLE 0x00000004 /* Double buffering needed for PCM start/stop */ | |
270 | #define SNDRV_PCM_INFO_BATCH 0x00000010 /* double buffering */ | |
271 | #define SNDRV_PCM_INFO_INTERLEAVED 0x00000100 /* channels are interleaved */ | |
272 | #define SNDRV_PCM_INFO_NONINTERLEAVED 0x00000200 /* channels are not interleaved */ | |
273 | #define SNDRV_PCM_INFO_COMPLEX 0x00000400 /* complex frame organization (mmap only) */ | |
274 | #define SNDRV_PCM_INFO_BLOCK_TRANSFER 0x00010000 /* hardware transfer block of samples */ | |
275 | #define SNDRV_PCM_INFO_OVERRANGE 0x00020000 /* hardware supports ADC (capture) overrange detection */ | |
276 | #define SNDRV_PCM_INFO_RESUME 0x00040000 /* hardware supports stream resume after suspend */ | |
277 | #define SNDRV_PCM_INFO_PAUSE 0x00080000 /* pause ioctl is supported */ | |
278 | #define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000 /* only half duplex */ | |
279 | #define SNDRV_PCM_INFO_JOINT_DUPLEX 0x00200000 /* playback and capture stream are somewhat correlated */ | |
280 | #define SNDRV_PCM_INFO_SYNC_START 0x00400000 /* pcm support some kind of sync go */ | |
281 | ||
282 | enum sndrv_pcm_state { | |
283 | SNDRV_PCM_STATE_OPEN = 0, /* stream is open */ | |
284 | SNDRV_PCM_STATE_SETUP, /* stream has a setup */ | |
285 | SNDRV_PCM_STATE_PREPARED, /* stream is ready to start */ | |
286 | SNDRV_PCM_STATE_RUNNING, /* stream is running */ | |
287 | SNDRV_PCM_STATE_XRUN, /* stream reached an xrun */ | |
288 | SNDRV_PCM_STATE_DRAINING, /* stream is draining */ | |
289 | SNDRV_PCM_STATE_PAUSED, /* stream is paused */ | |
290 | SNDRV_PCM_STATE_SUSPENDED, /* hardware is suspended */ | |
291 | SNDRV_PCM_STATE_DISCONNECTED, /* hardware is disconnected */ | |
292 | SNDRV_PCM_STATE_LAST = SNDRV_PCM_STATE_DISCONNECTED, | |
293 | }; | |
294 | ||
295 | enum { | |
296 | SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000, | |
297 | SNDRV_PCM_MMAP_OFFSET_STATUS = 0x80000000, | |
298 | SNDRV_PCM_MMAP_OFFSET_CONTROL = 0x81000000, | |
299 | }; | |
300 | ||
301 | union sndrv_pcm_sync_id { | |
302 | unsigned char id[16]; | |
303 | unsigned short id16[8]; | |
304 | unsigned int id32[4]; | |
305 | }; | |
306 | ||
307 | struct sndrv_pcm_info { | |
308 | unsigned int device; /* RO/WR (control): device number */ | |
309 | unsigned int subdevice; /* RO/WR (control): subdevice number */ | |
310 | enum sndrv_pcm_stream stream; /* RO/WR (control): stream number */ | |
311 | int card; /* R: card number */ | |
312 | unsigned char id[64]; /* ID (user selectable) */ | |
313 | unsigned char name[80]; /* name of this device */ | |
314 | unsigned char subname[32]; /* subdevice name */ | |
315 | enum sndrv_pcm_class dev_class; /* SNDRV_PCM_CLASS_* */ | |
316 | enum sndrv_pcm_subclass dev_subclass; /* SNDRV_PCM_SUBCLASS_* */ | |
317 | unsigned int subdevices_count; | |
318 | unsigned int subdevices_avail; | |
319 | union sndrv_pcm_sync_id sync; /* hardware synchronization ID */ | |
320 | unsigned char reserved[64]; /* reserved for future... */ | |
321 | }; | |
322 | ||
323 | enum sndrv_pcm_hw_param { | |
324 | SNDRV_PCM_HW_PARAM_ACCESS = 0, /* Access type */ | |
325 | SNDRV_PCM_HW_PARAM_FIRST_MASK = SNDRV_PCM_HW_PARAM_ACCESS, | |
326 | SNDRV_PCM_HW_PARAM_FORMAT, /* Format */ | |
327 | SNDRV_PCM_HW_PARAM_SUBFORMAT, /* Subformat */ | |
328 | SNDRV_PCM_HW_PARAM_LAST_MASK = SNDRV_PCM_HW_PARAM_SUBFORMAT, | |
329 | ||
330 | SNDRV_PCM_HW_PARAM_SAMPLE_BITS = 8, /* Bits per sample */ | |
331 | SNDRV_PCM_HW_PARAM_FIRST_INTERVAL = SNDRV_PCM_HW_PARAM_SAMPLE_BITS, | |
332 | SNDRV_PCM_HW_PARAM_FRAME_BITS, /* Bits per frame */ | |
333 | SNDRV_PCM_HW_PARAM_CHANNELS, /* Channels */ | |
334 | SNDRV_PCM_HW_PARAM_RATE, /* Approx rate */ | |
335 | SNDRV_PCM_HW_PARAM_PERIOD_TIME, /* Approx distance between interrupts | |
336 | in us */ | |
337 | SNDRV_PCM_HW_PARAM_PERIOD_SIZE, /* Approx frames between interrupts */ | |
338 | SNDRV_PCM_HW_PARAM_PERIOD_BYTES, /* Approx bytes between interrupts */ | |
339 | SNDRV_PCM_HW_PARAM_PERIODS, /* Approx interrupts per buffer */ | |
340 | SNDRV_PCM_HW_PARAM_BUFFER_TIME, /* Approx duration of buffer in us */ | |
341 | SNDRV_PCM_HW_PARAM_BUFFER_SIZE, /* Size of buffer in frames */ | |
342 | SNDRV_PCM_HW_PARAM_BUFFER_BYTES, /* Size of buffer in bytes */ | |
343 | SNDRV_PCM_HW_PARAM_TICK_TIME, /* Approx tick duration in us */ | |
344 | SNDRV_PCM_HW_PARAM_LAST_INTERVAL = SNDRV_PCM_HW_PARAM_TICK_TIME | |
345 | }; | |
346 | ||
267cdf40 | 347 | #define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1<<0) /* avoid rate resampling */ |
1da177e4 LT |
348 | |
349 | struct sndrv_interval { | |
350 | unsigned int min, max; | |
351 | unsigned int openmin:1, | |
352 | openmax:1, | |
353 | integer:1, | |
354 | empty:1; | |
355 | }; | |
356 | ||
357 | #define SNDRV_MASK_MAX 256 | |
358 | ||
359 | struct sndrv_mask { | |
360 | u_int32_t bits[(SNDRV_MASK_MAX+31)/32]; | |
361 | }; | |
362 | ||
363 | struct sndrv_pcm_hw_params { | |
364 | unsigned int flags; | |
365 | struct sndrv_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - | |
366 | SNDRV_PCM_HW_PARAM_FIRST_MASK + 1]; | |
367 | struct sndrv_mask mres[5]; /* reserved masks */ | |
368 | struct sndrv_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL - | |
369 | SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1]; | |
370 | struct sndrv_interval ires[9]; /* reserved intervals */ | |
371 | unsigned int rmask; /* W: requested masks */ | |
372 | unsigned int cmask; /* R: changed masks */ | |
373 | unsigned int info; /* R: Info flags for returned setup */ | |
374 | unsigned int msbits; /* R: used most significant bits */ | |
375 | unsigned int rate_num; /* R: rate numerator */ | |
376 | unsigned int rate_den; /* R: rate denominator */ | |
377 | sndrv_pcm_uframes_t fifo_size; /* R: chip FIFO size in frames */ | |
378 | unsigned char reserved[64]; /* reserved for future */ | |
379 | }; | |
380 | ||
381 | enum sndrv_pcm_tstamp { | |
382 | SNDRV_PCM_TSTAMP_NONE = 0, | |
383 | SNDRV_PCM_TSTAMP_MMAP, | |
384 | SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_MMAP, | |
385 | }; | |
386 | ||
387 | struct sndrv_pcm_sw_params { | |
388 | enum sndrv_pcm_tstamp tstamp_mode; /* timestamp mode */ | |
389 | unsigned int period_step; | |
390 | unsigned int sleep_min; /* min ticks to sleep */ | |
391 | sndrv_pcm_uframes_t avail_min; /* min avail frames for wakeup */ | |
392 | sndrv_pcm_uframes_t xfer_align; /* xfer size need to be a multiple */ | |
393 | sndrv_pcm_uframes_t start_threshold; /* min hw_avail frames for automatic start */ | |
394 | sndrv_pcm_uframes_t stop_threshold; /* min avail frames for automatic stop */ | |
395 | sndrv_pcm_uframes_t silence_threshold; /* min distance from noise for silence filling */ | |
396 | sndrv_pcm_uframes_t silence_size; /* silence block size */ | |
397 | sndrv_pcm_uframes_t boundary; /* pointers wrap point */ | |
398 | unsigned char reserved[64]; /* reserved for future */ | |
399 | }; | |
400 | ||
401 | struct sndrv_pcm_channel_info { | |
402 | unsigned int channel; | |
403 | off_t offset; /* mmap offset */ | |
404 | unsigned int first; /* offset to first sample in bits */ | |
405 | unsigned int step; /* samples distance in bits */ | |
406 | }; | |
407 | ||
408 | struct sndrv_pcm_status { | |
409 | enum sndrv_pcm_state state; /* stream state */ | |
410 | struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */ | |
411 | struct timespec tstamp; /* reference timestamp */ | |
412 | sndrv_pcm_uframes_t appl_ptr; /* appl ptr */ | |
413 | sndrv_pcm_uframes_t hw_ptr; /* hw ptr */ | |
414 | sndrv_pcm_sframes_t delay; /* current delay in frames */ | |
415 | sndrv_pcm_uframes_t avail; /* number of frames available */ | |
416 | sndrv_pcm_uframes_t avail_max; /* max frames available on hw since last status */ | |
417 | sndrv_pcm_uframes_t overrange; /* count of ADC (capture) overrange detections from last status */ | |
418 | enum sndrv_pcm_state suspended_state; /* suspended stream state */ | |
419 | unsigned char reserved[60]; /* must be filled with zero */ | |
420 | }; | |
421 | ||
422 | struct sndrv_pcm_mmap_status { | |
423 | enum sndrv_pcm_state state; /* RO: state - SNDRV_PCM_STATE_XXXX */ | |
424 | int pad1; /* Needed for 64 bit alignment */ | |
425 | sndrv_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */ | |
426 | struct timespec tstamp; /* Timestamp */ | |
427 | enum sndrv_pcm_state suspended_state; /* RO: suspended stream state */ | |
428 | }; | |
429 | ||
430 | struct sndrv_pcm_mmap_control { | |
431 | sndrv_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */ | |
432 | sndrv_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */ | |
433 | }; | |
434 | ||
435 | #define SNDRV_PCM_SYNC_PTR_HWSYNC (1<<0) /* execute hwsync */ | |
436 | #define SNDRV_PCM_SYNC_PTR_APPL (1<<1) /* get appl_ptr from driver (r/w op) */ | |
437 | #define SNDRV_PCM_SYNC_PTR_AVAIL_MIN (1<<2) /* get avail_min from driver */ | |
438 | ||
439 | struct sndrv_pcm_sync_ptr { | |
440 | unsigned int flags; | |
441 | union { | |
442 | struct sndrv_pcm_mmap_status status; | |
443 | unsigned char reserved[64]; | |
444 | } s; | |
445 | union { | |
446 | struct sndrv_pcm_mmap_control control; | |
447 | unsigned char reserved[64]; | |
448 | } c; | |
449 | }; | |
450 | ||
451 | struct sndrv_xferi { | |
452 | sndrv_pcm_sframes_t result; | |
453 | void __user *buf; | |
454 | sndrv_pcm_uframes_t frames; | |
455 | }; | |
456 | ||
457 | struct sndrv_xfern { | |
458 | sndrv_pcm_sframes_t result; | |
459 | void __user * __user *bufs; | |
460 | sndrv_pcm_uframes_t frames; | |
461 | }; | |
462 | ||
463 | enum { | |
464 | SNDRV_PCM_IOCTL_PVERSION = _IOR('A', 0x00, int), | |
465 | SNDRV_PCM_IOCTL_INFO = _IOR('A', 0x01, struct sndrv_pcm_info), | |
466 | SNDRV_PCM_IOCTL_TSTAMP = _IOW('A', 0x02, int), | |
467 | SNDRV_PCM_IOCTL_HW_REFINE = _IOWR('A', 0x10, struct sndrv_pcm_hw_params), | |
468 | SNDRV_PCM_IOCTL_HW_PARAMS = _IOWR('A', 0x11, struct sndrv_pcm_hw_params), | |
469 | SNDRV_PCM_IOCTL_HW_FREE = _IO('A', 0x12), | |
470 | SNDRV_PCM_IOCTL_SW_PARAMS = _IOWR('A', 0x13, struct sndrv_pcm_sw_params), | |
471 | SNDRV_PCM_IOCTL_STATUS = _IOR('A', 0x20, struct sndrv_pcm_status), | |
472 | SNDRV_PCM_IOCTL_DELAY = _IOR('A', 0x21, sndrv_pcm_sframes_t), | |
473 | SNDRV_PCM_IOCTL_HWSYNC = _IO('A', 0x22), | |
474 | SNDRV_PCM_IOCTL_SYNC_PTR = _IOWR('A', 0x23, struct sndrv_pcm_sync_ptr), | |
475 | SNDRV_PCM_IOCTL_CHANNEL_INFO = _IOR('A', 0x32, struct sndrv_pcm_channel_info), | |
476 | SNDRV_PCM_IOCTL_PREPARE = _IO('A', 0x40), | |
477 | SNDRV_PCM_IOCTL_RESET = _IO('A', 0x41), | |
478 | SNDRV_PCM_IOCTL_START = _IO('A', 0x42), | |
479 | SNDRV_PCM_IOCTL_DROP = _IO('A', 0x43), | |
480 | SNDRV_PCM_IOCTL_DRAIN = _IO('A', 0x44), | |
481 | SNDRV_PCM_IOCTL_PAUSE = _IOW('A', 0x45, int), | |
482 | SNDRV_PCM_IOCTL_REWIND = _IOW('A', 0x46, sndrv_pcm_uframes_t), | |
483 | SNDRV_PCM_IOCTL_RESUME = _IO('A', 0x47), | |
484 | SNDRV_PCM_IOCTL_XRUN = _IO('A', 0x48), | |
485 | SNDRV_PCM_IOCTL_FORWARD = _IOW('A', 0x49, sndrv_pcm_uframes_t), | |
486 | SNDRV_PCM_IOCTL_WRITEI_FRAMES = _IOW('A', 0x50, struct sndrv_xferi), | |
487 | SNDRV_PCM_IOCTL_READI_FRAMES = _IOR('A', 0x51, struct sndrv_xferi), | |
488 | SNDRV_PCM_IOCTL_WRITEN_FRAMES = _IOW('A', 0x52, struct sndrv_xfern), | |
489 | SNDRV_PCM_IOCTL_READN_FRAMES = _IOR('A', 0x53, struct sndrv_xfern), | |
490 | SNDRV_PCM_IOCTL_LINK = _IOW('A', 0x60, int), | |
491 | SNDRV_PCM_IOCTL_UNLINK = _IO('A', 0x61), | |
492 | }; | |
493 | ||
494 | /* Trick to make alsa-lib/acinclude.m4 happy */ | |
495 | #define SNDRV_PCM_IOCTL_REWIND SNDRV_PCM_IOCTL_REWIND | |
496 | ||
497 | /***************************************************************************** | |
498 | * * | |
499 | * MIDI v1.0 interface * | |
500 | * * | |
501 | *****************************************************************************/ | |
502 | ||
503 | /* | |
504 | * Raw MIDI section - /dev/snd/midi?? | |
505 | */ | |
506 | ||
507 | #define SNDRV_RAWMIDI_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 0) | |
508 | ||
509 | enum sndrv_rawmidi_stream { | |
510 | SNDRV_RAWMIDI_STREAM_OUTPUT = 0, | |
511 | SNDRV_RAWMIDI_STREAM_INPUT, | |
512 | SNDRV_RAWMIDI_STREAM_LAST = SNDRV_RAWMIDI_STREAM_INPUT, | |
513 | }; | |
514 | ||
515 | #define SNDRV_RAWMIDI_INFO_OUTPUT 0x00000001 | |
516 | #define SNDRV_RAWMIDI_INFO_INPUT 0x00000002 | |
517 | #define SNDRV_RAWMIDI_INFO_DUPLEX 0x00000004 | |
518 | ||
519 | struct sndrv_rawmidi_info { | |
520 | unsigned int device; /* RO/WR (control): device number */ | |
521 | unsigned int subdevice; /* RO/WR (control): subdevice number */ | |
522 | enum sndrv_rawmidi_stream stream; /* WR: stream */ | |
523 | int card; /* R: card number */ | |
524 | unsigned int flags; /* SNDRV_RAWMIDI_INFO_XXXX */ | |
525 | unsigned char id[64]; /* ID (user selectable) */ | |
526 | unsigned char name[80]; /* name of device */ | |
527 | unsigned char subname[32]; /* name of active or selected subdevice */ | |
528 | unsigned int subdevices_count; | |
529 | unsigned int subdevices_avail; | |
530 | unsigned char reserved[64]; /* reserved for future use */ | |
531 | }; | |
532 | ||
533 | struct sndrv_rawmidi_params { | |
534 | enum sndrv_rawmidi_stream stream; | |
535 | size_t buffer_size; /* queue size in bytes */ | |
536 | size_t avail_min; /* minimum avail bytes for wakeup */ | |
537 | unsigned int no_active_sensing: 1; /* do not send active sensing byte in close() */ | |
538 | unsigned char reserved[16]; /* reserved for future use */ | |
539 | }; | |
540 | ||
541 | struct sndrv_rawmidi_status { | |
542 | enum sndrv_rawmidi_stream stream; | |
543 | struct timespec tstamp; /* Timestamp */ | |
544 | size_t avail; /* available bytes */ | |
545 | size_t xruns; /* count of overruns since last status (in bytes) */ | |
546 | unsigned char reserved[16]; /* reserved for future use */ | |
547 | }; | |
548 | ||
549 | enum { | |
550 | SNDRV_RAWMIDI_IOCTL_PVERSION = _IOR('W', 0x00, int), | |
551 | SNDRV_RAWMIDI_IOCTL_INFO = _IOR('W', 0x01, struct sndrv_rawmidi_info), | |
552 | SNDRV_RAWMIDI_IOCTL_PARAMS = _IOWR('W', 0x10, struct sndrv_rawmidi_params), | |
553 | SNDRV_RAWMIDI_IOCTL_STATUS = _IOWR('W', 0x20, struct sndrv_rawmidi_status), | |
554 | SNDRV_RAWMIDI_IOCTL_DROP = _IOW('W', 0x30, int), | |
555 | SNDRV_RAWMIDI_IOCTL_DRAIN = _IOW('W', 0x31, int), | |
556 | }; | |
557 | ||
558 | /* | |
559 | * Timer section - /dev/snd/timer | |
560 | */ | |
561 | ||
07cf3741 | 562 | #define SNDRV_TIMER_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 3) |
1da177e4 LT |
563 | |
564 | enum sndrv_timer_class { | |
565 | SNDRV_TIMER_CLASS_NONE = -1, | |
566 | SNDRV_TIMER_CLASS_SLAVE = 0, | |
567 | SNDRV_TIMER_CLASS_GLOBAL, | |
568 | SNDRV_TIMER_CLASS_CARD, | |
569 | SNDRV_TIMER_CLASS_PCM, | |
570 | SNDRV_TIMER_CLASS_LAST = SNDRV_TIMER_CLASS_PCM, | |
571 | }; | |
572 | ||
573 | /* slave timer classes */ | |
574 | enum sndrv_timer_slave_class { | |
575 | SNDRV_TIMER_SCLASS_NONE = 0, | |
576 | SNDRV_TIMER_SCLASS_APPLICATION, | |
577 | SNDRV_TIMER_SCLASS_SEQUENCER, /* alias */ | |
578 | SNDRV_TIMER_SCLASS_OSS_SEQUENCER, /* alias */ | |
579 | SNDRV_TIMER_SCLASS_LAST = SNDRV_TIMER_SCLASS_OSS_SEQUENCER, | |
580 | }; | |
581 | ||
582 | /* global timers (device member) */ | |
583 | #define SNDRV_TIMER_GLOBAL_SYSTEM 0 | |
584 | #define SNDRV_TIMER_GLOBAL_RTC 1 | |
585 | #define SNDRV_TIMER_GLOBAL_HPET 2 | |
586 | ||
587 | /* info flags */ | |
588 | #define SNDRV_TIMER_FLG_SLAVE (1<<0) /* cannot be controlled */ | |
589 | ||
590 | struct sndrv_timer_id { | |
591 | enum sndrv_timer_class dev_class; | |
592 | enum sndrv_timer_slave_class dev_sclass; | |
593 | int card; | |
594 | int device; | |
595 | int subdevice; | |
596 | }; | |
597 | ||
598 | struct sndrv_timer_ginfo { | |
599 | struct sndrv_timer_id tid; /* requested timer ID */ | |
600 | unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ | |
601 | int card; /* card number */ | |
602 | unsigned char id[64]; /* timer identification */ | |
603 | unsigned char name[80]; /* timer name */ | |
604 | unsigned long reserved0; /* reserved for future use */ | |
605 | unsigned long resolution; /* average period resolution in ns */ | |
606 | unsigned long resolution_min; /* minimal period resolution in ns */ | |
607 | unsigned long resolution_max; /* maximal period resolution in ns */ | |
608 | unsigned int clients; /* active timer clients */ | |
609 | unsigned char reserved[32]; | |
610 | }; | |
611 | ||
612 | struct sndrv_timer_gparams { | |
613 | struct sndrv_timer_id tid; /* requested timer ID */ | |
614 | unsigned long period_num; /* requested precise period duration (in seconds) - numerator */ | |
615 | unsigned long period_den; /* requested precise period duration (in seconds) - denominator */ | |
616 | unsigned char reserved[32]; | |
617 | }; | |
618 | ||
619 | struct sndrv_timer_gstatus { | |
620 | struct sndrv_timer_id tid; /* requested timer ID */ | |
621 | unsigned long resolution; /* current period resolution in ns */ | |
622 | unsigned long resolution_num; /* precise current period resolution (in seconds) - numerator */ | |
623 | unsigned long resolution_den; /* precise current period resolution (in seconds) - denominator */ | |
624 | unsigned char reserved[32]; | |
625 | }; | |
626 | ||
627 | struct sndrv_timer_select { | |
628 | struct sndrv_timer_id id; /* bind to timer ID */ | |
629 | unsigned char reserved[32]; /* reserved */ | |
630 | }; | |
631 | ||
632 | struct sndrv_timer_info { | |
633 | unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ | |
634 | int card; /* card number */ | |
635 | unsigned char id[64]; /* timer identificator */ | |
636 | unsigned char name[80]; /* timer name */ | |
637 | unsigned long reserved0; /* reserved for future use */ | |
638 | unsigned long resolution; /* average period resolution in ns */ | |
639 | unsigned char reserved[64]; /* reserved */ | |
640 | }; | |
641 | ||
642 | #define SNDRV_TIMER_PSFLG_AUTO (1<<0) /* auto start, otherwise one-shot */ | |
643 | #define SNDRV_TIMER_PSFLG_EXCLUSIVE (1<<1) /* exclusive use, precise start/stop/pause/continue */ | |
644 | #define SNDRV_TIMER_PSFLG_EARLY_EVENT (1<<2) /* write early event to the poll queue */ | |
645 | ||
646 | struct sndrv_timer_params { | |
647 | unsigned int flags; /* flags - SNDRV_MIXER_PSFLG_* */ | |
648 | unsigned int ticks; /* requested resolution in ticks */ | |
649 | unsigned int queue_size; /* total size of queue (32-1024) */ | |
650 | unsigned int reserved0; /* reserved, was: failure locations */ | |
651 | unsigned int filter; /* event filter (bitmask of SNDRV_TIMER_EVENT_*) */ | |
652 | unsigned char reserved[60]; /* reserved */ | |
653 | }; | |
654 | ||
655 | struct sndrv_timer_status { | |
656 | struct timespec tstamp; /* Timestamp - last update */ | |
657 | unsigned int resolution; /* current period resolution in ns */ | |
658 | unsigned int lost; /* counter of master tick lost */ | |
659 | unsigned int overrun; /* count of read queue overruns */ | |
660 | unsigned int queue; /* used queue size */ | |
661 | unsigned char reserved[64]; /* reserved */ | |
662 | }; | |
663 | ||
664 | enum { | |
665 | SNDRV_TIMER_IOCTL_PVERSION = _IOR('T', 0x00, int), | |
666 | SNDRV_TIMER_IOCTL_NEXT_DEVICE = _IOWR('T', 0x01, struct sndrv_timer_id), | |
667 | SNDRV_TIMER_IOCTL_TREAD = _IOW('T', 0x02, int), | |
668 | SNDRV_TIMER_IOCTL_GINFO = _IOWR('T', 0x03, struct sndrv_timer_ginfo), | |
669 | SNDRV_TIMER_IOCTL_GPARAMS = _IOW('T', 0x04, struct sndrv_timer_gparams), | |
670 | SNDRV_TIMER_IOCTL_GSTATUS = _IOWR('T', 0x05, struct sndrv_timer_gstatus), | |
671 | SNDRV_TIMER_IOCTL_SELECT = _IOW('T', 0x10, struct sndrv_timer_select), | |
672 | SNDRV_TIMER_IOCTL_INFO = _IOR('T', 0x11, struct sndrv_timer_info), | |
673 | SNDRV_TIMER_IOCTL_PARAMS = _IOW('T', 0x12, struct sndrv_timer_params), | |
674 | SNDRV_TIMER_IOCTL_STATUS = _IOR('T', 0x14, struct sndrv_timer_status), | |
675 | SNDRV_TIMER_IOCTL_START = _IO('T', 0x20), | |
676 | SNDRV_TIMER_IOCTL_STOP = _IO('T', 0x21), | |
677 | SNDRV_TIMER_IOCTL_CONTINUE = _IO('T', 0x22), | |
678 | SNDRV_TIMER_IOCTL_PAUSE = _IO('T', 0x23), | |
679 | }; | |
680 | ||
681 | struct sndrv_timer_read { | |
682 | unsigned int resolution; | |
683 | unsigned int ticks; | |
684 | }; | |
685 | ||
686 | enum sndrv_timer_event { | |
687 | SNDRV_TIMER_EVENT_RESOLUTION = 0, /* val = resolution in ns */ | |
688 | SNDRV_TIMER_EVENT_TICK, /* val = ticks */ | |
689 | SNDRV_TIMER_EVENT_START, /* val = resolution in ns */ | |
690 | SNDRV_TIMER_EVENT_STOP, /* val = 0 */ | |
691 | SNDRV_TIMER_EVENT_CONTINUE, /* val = resolution in ns */ | |
692 | SNDRV_TIMER_EVENT_PAUSE, /* val = 0 */ | |
693 | SNDRV_TIMER_EVENT_EARLY, /* val = 0, early event */ | |
694 | /* master timer events for slave timer instances */ | |
695 | SNDRV_TIMER_EVENT_MSTART = SNDRV_TIMER_EVENT_START + 10, | |
696 | SNDRV_TIMER_EVENT_MSTOP = SNDRV_TIMER_EVENT_STOP + 10, | |
697 | SNDRV_TIMER_EVENT_MCONTINUE = SNDRV_TIMER_EVENT_CONTINUE + 10, | |
698 | SNDRV_TIMER_EVENT_MPAUSE = SNDRV_TIMER_EVENT_PAUSE + 10, | |
699 | }; | |
700 | ||
701 | struct sndrv_timer_tread { | |
702 | enum sndrv_timer_event event; | |
703 | struct timespec tstamp; | |
704 | unsigned int val; | |
705 | }; | |
706 | ||
707 | /**************************************************************************** | |
708 | * * | |
709 | * Section for driver control interface - /dev/snd/control? * | |
710 | * * | |
711 | ****************************************************************************/ | |
712 | ||
713 | #define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 3) | |
714 | ||
715 | struct sndrv_ctl_card_info { | |
716 | int card; /* card number */ | |
717 | int pad; /* reserved for future (was type) */ | |
718 | unsigned char id[16]; /* ID of card (user selectable) */ | |
719 | unsigned char driver[16]; /* Driver name */ | |
720 | unsigned char name[32]; /* Short name of soundcard */ | |
721 | unsigned char longname[80]; /* name + info text about soundcard */ | |
722 | unsigned char reserved_[16]; /* reserved for future (was ID of mixer) */ | |
723 | unsigned char mixername[80]; /* visual mixer identification */ | |
724 | unsigned char components[80]; /* card components / fine identification, delimited with one space (AC97 etc..) */ | |
725 | unsigned char reserved[48]; /* reserved for future */ | |
726 | }; | |
727 | ||
728 | enum sndrv_ctl_elem_type { | |
729 | SNDRV_CTL_ELEM_TYPE_NONE = 0, /* invalid */ | |
730 | SNDRV_CTL_ELEM_TYPE_BOOLEAN, /* boolean type */ | |
731 | SNDRV_CTL_ELEM_TYPE_INTEGER, /* integer type */ | |
732 | SNDRV_CTL_ELEM_TYPE_ENUMERATED, /* enumerated type */ | |
733 | SNDRV_CTL_ELEM_TYPE_BYTES, /* byte array */ | |
734 | SNDRV_CTL_ELEM_TYPE_IEC958, /* IEC958 (S/PDIF) setup */ | |
735 | SNDRV_CTL_ELEM_TYPE_INTEGER64, /* 64-bit integer type */ | |
736 | SNDRV_CTL_ELEM_TYPE_LAST = SNDRV_CTL_ELEM_TYPE_INTEGER64, | |
737 | }; | |
738 | ||
739 | enum sndrv_ctl_elem_iface { | |
740 | SNDRV_CTL_ELEM_IFACE_CARD = 0, /* global control */ | |
741 | SNDRV_CTL_ELEM_IFACE_HWDEP, /* hardware dependent device */ | |
742 | SNDRV_CTL_ELEM_IFACE_MIXER, /* virtual mixer device */ | |
743 | SNDRV_CTL_ELEM_IFACE_PCM, /* PCM device */ | |
744 | SNDRV_CTL_ELEM_IFACE_RAWMIDI, /* RawMidi device */ | |
745 | SNDRV_CTL_ELEM_IFACE_TIMER, /* timer device */ | |
746 | SNDRV_CTL_ELEM_IFACE_SEQUENCER, /* sequencer client */ | |
747 | SNDRV_CTL_ELEM_IFACE_LAST = SNDRV_CTL_ELEM_IFACE_SEQUENCER, | |
748 | }; | |
749 | ||
750 | #define SNDRV_CTL_ELEM_ACCESS_READ (1<<0) | |
751 | #define SNDRV_CTL_ELEM_ACCESS_WRITE (1<<1) | |
752 | #define SNDRV_CTL_ELEM_ACCESS_READWRITE (SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE) | |
753 | #define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1<<2) /* control value may be changed without a notification */ | |
754 | #define SNDRV_CTL_ELEM_ACCESS_TIMESTAMP (1<<2) /* when was control changed */ | |
755 | #define SNDRV_CTL_ELEM_ACCESS_INACTIVE (1<<8) /* control does actually nothing, but may be updated */ | |
756 | #define SNDRV_CTL_ELEM_ACCESS_LOCK (1<<9) /* write lock */ | |
757 | #define SNDRV_CTL_ELEM_ACCESS_OWNER (1<<10) /* write lock owner */ | |
758 | #define SNDRV_CTL_ELEM_ACCESS_USER (1<<29) /* user space element */ | |
759 | #define SNDRV_CTL_ELEM_ACCESS_DINDIRECT (1<<30) /* indirect access for matrix dimensions in the info structure */ | |
760 | #define SNDRV_CTL_ELEM_ACCESS_INDIRECT (1<<31) /* indirect access for element value in the value structure */ | |
761 | ||
762 | /* for further details see the ACPI and PCI power management specification */ | |
763 | #define SNDRV_CTL_POWER_D0 0x0000 /* full On */ | |
764 | #define SNDRV_CTL_POWER_D1 0x0100 /* partial On */ | |
765 | #define SNDRV_CTL_POWER_D2 0x0200 /* partial On */ | |
766 | #define SNDRV_CTL_POWER_D3 0x0300 /* Off */ | |
767 | #define SNDRV_CTL_POWER_D3hot (SNDRV_CTL_POWER_D3|0x0000) /* Off, with power */ | |
768 | #define SNDRV_CTL_POWER_D3cold (SNDRV_CTL_POWER_D3|0x0001) /* Off, without power */ | |
769 | ||
770 | struct sndrv_ctl_elem_id { | |
771 | unsigned int numid; /* numeric identifier, zero = invalid */ | |
772 | enum sndrv_ctl_elem_iface iface; /* interface identifier */ | |
773 | unsigned int device; /* device/client number */ | |
774 | unsigned int subdevice; /* subdevice (substream) number */ | |
775 | unsigned char name[44]; /* ASCII name of item */ | |
776 | unsigned int index; /* index of item */ | |
777 | }; | |
778 | ||
779 | struct sndrv_ctl_elem_list { | |
780 | unsigned int offset; /* W: first element ID to get */ | |
781 | unsigned int space; /* W: count of element IDs to get */ | |
782 | unsigned int used; /* R: count of element IDs set */ | |
783 | unsigned int count; /* R: count of all elements */ | |
784 | struct sndrv_ctl_elem_id __user *pids; /* R: IDs */ | |
785 | unsigned char reserved[50]; | |
786 | }; | |
787 | ||
788 | struct sndrv_ctl_elem_info { | |
789 | struct sndrv_ctl_elem_id id; /* W: element ID */ | |
790 | enum sndrv_ctl_elem_type type; /* R: value type - SNDRV_CTL_ELEM_TYPE_* */ | |
791 | unsigned int access; /* R: value access (bitmask) - SNDRV_CTL_ELEM_ACCESS_* */ | |
792 | unsigned int count; /* count of values */ | |
793 | pid_t owner; /* owner's PID of this control */ | |
794 | union { | |
795 | struct { | |
796 | long min; /* R: minimum value */ | |
797 | long max; /* R: maximum value */ | |
798 | long step; /* R: step (0 variable) */ | |
799 | } integer; | |
800 | struct { | |
801 | long long min; /* R: minimum value */ | |
802 | long long max; /* R: maximum value */ | |
803 | long long step; /* R: step (0 variable) */ | |
804 | } integer64; | |
805 | struct { | |
806 | unsigned int items; /* R: number of items */ | |
807 | unsigned int item; /* W: item number */ | |
808 | char name[64]; /* R: value name */ | |
809 | } enumerated; | |
810 | unsigned char reserved[128]; | |
811 | } value; | |
812 | union { | |
813 | unsigned short d[4]; /* dimensions */ | |
814 | unsigned short *d_ptr; /* indirect */ | |
815 | } dimen; | |
816 | unsigned char reserved[64-4*sizeof(unsigned short)]; | |
817 | }; | |
818 | ||
819 | struct sndrv_ctl_elem_value { | |
820 | struct sndrv_ctl_elem_id id; /* W: element ID */ | |
821 | unsigned int indirect: 1; /* W: use indirect pointer (xxx_ptr member) */ | |
822 | union { | |
823 | union { | |
824 | long value[128]; | |
825 | long *value_ptr; | |
826 | } integer; | |
827 | union { | |
828 | long long value[64]; | |
829 | long long *value_ptr; | |
830 | } integer64; | |
831 | union { | |
832 | unsigned int item[128]; | |
833 | unsigned int *item_ptr; | |
834 | } enumerated; | |
835 | union { | |
836 | unsigned char data[512]; | |
837 | unsigned char *data_ptr; | |
838 | } bytes; | |
839 | struct sndrv_aes_iec958 iec958; | |
840 | } value; /* RO */ | |
841 | struct timespec tstamp; | |
842 | unsigned char reserved[128-sizeof(struct timespec)]; | |
843 | }; | |
844 | ||
845 | enum { | |
846 | SNDRV_CTL_IOCTL_PVERSION = _IOR('U', 0x00, int), | |
847 | SNDRV_CTL_IOCTL_CARD_INFO = _IOR('U', 0x01, struct sndrv_ctl_card_info), | |
848 | SNDRV_CTL_IOCTL_ELEM_LIST = _IOWR('U', 0x10, struct sndrv_ctl_elem_list), | |
849 | SNDRV_CTL_IOCTL_ELEM_INFO = _IOWR('U', 0x11, struct sndrv_ctl_elem_info), | |
850 | SNDRV_CTL_IOCTL_ELEM_READ = _IOWR('U', 0x12, struct sndrv_ctl_elem_value), | |
851 | SNDRV_CTL_IOCTL_ELEM_WRITE = _IOWR('U', 0x13, struct sndrv_ctl_elem_value), | |
852 | SNDRV_CTL_IOCTL_ELEM_LOCK = _IOW('U', 0x14, struct sndrv_ctl_elem_id), | |
853 | SNDRV_CTL_IOCTL_ELEM_UNLOCK = _IOW('U', 0x15, struct sndrv_ctl_elem_id), | |
854 | SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS = _IOWR('U', 0x16, int), | |
855 | SNDRV_CTL_IOCTL_ELEM_ADD = _IOWR('U', 0x17, struct sndrv_ctl_elem_info), | |
856 | SNDRV_CTL_IOCTL_ELEM_REPLACE = _IOWR('U', 0x18, struct sndrv_ctl_elem_info), | |
857 | SNDRV_CTL_IOCTL_ELEM_REMOVE = _IOWR('U', 0x19, struct sndrv_ctl_elem_id), | |
858 | SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE = _IOWR('U', 0x20, int), | |
859 | SNDRV_CTL_IOCTL_HWDEP_INFO = _IOR('U', 0x21, struct sndrv_hwdep_info), | |
860 | SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE = _IOR('U', 0x30, int), | |
861 | SNDRV_CTL_IOCTL_PCM_INFO = _IOWR('U', 0x31, struct sndrv_pcm_info), | |
862 | SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE = _IOW('U', 0x32, int), | |
863 | SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE = _IOWR('U', 0x40, int), | |
864 | SNDRV_CTL_IOCTL_RAWMIDI_INFO = _IOWR('U', 0x41, struct sndrv_rawmidi_info), | |
865 | SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE = _IOW('U', 0x42, int), | |
866 | SNDRV_CTL_IOCTL_POWER = _IOWR('U', 0xd0, int), | |
867 | SNDRV_CTL_IOCTL_POWER_STATE = _IOR('U', 0xd1, int), | |
868 | }; | |
869 | ||
870 | /* | |
871 | * Read interface. | |
872 | */ | |
873 | ||
874 | enum sndrv_ctl_event_type { | |
875 | SNDRV_CTL_EVENT_ELEM = 0, | |
876 | SNDRV_CTL_EVENT_LAST = SNDRV_CTL_EVENT_ELEM, | |
877 | }; | |
878 | ||
879 | #define SNDRV_CTL_EVENT_MASK_VALUE (1<<0) /* element value was changed */ | |
880 | #define SNDRV_CTL_EVENT_MASK_INFO (1<<1) /* element info was changed */ | |
881 | #define SNDRV_CTL_EVENT_MASK_ADD (1<<2) /* element was added */ | |
882 | #define SNDRV_CTL_EVENT_MASK_REMOVE (~0U) /* element was removed */ | |
883 | ||
884 | struct sndrv_ctl_event { | |
885 | enum sndrv_ctl_event_type type; /* event type - SNDRV_CTL_EVENT_* */ | |
886 | union { | |
887 | struct { | |
888 | unsigned int mask; | |
889 | struct sndrv_ctl_elem_id id; | |
890 | } elem; | |
891 | unsigned char data8[60]; | |
892 | } data; | |
893 | }; | |
894 | ||
895 | /* | |
896 | * Control names | |
897 | */ | |
898 | ||
899 | #define SNDRV_CTL_NAME_NONE "" | |
900 | #define SNDRV_CTL_NAME_PLAYBACK "Playback " | |
901 | #define SNDRV_CTL_NAME_CAPTURE "Capture " | |
902 | ||
903 | #define SNDRV_CTL_NAME_IEC958_NONE "" | |
904 | #define SNDRV_CTL_NAME_IEC958_SWITCH "Switch" | |
905 | #define SNDRV_CTL_NAME_IEC958_VOLUME "Volume" | |
906 | #define SNDRV_CTL_NAME_IEC958_DEFAULT "Default" | |
907 | #define SNDRV_CTL_NAME_IEC958_MASK "Mask" | |
908 | #define SNDRV_CTL_NAME_IEC958_CON_MASK "Con Mask" | |
909 | #define SNDRV_CTL_NAME_IEC958_PRO_MASK "Pro Mask" | |
910 | #define SNDRV_CTL_NAME_IEC958_PCM_STREAM "PCM Stream" | |
911 | #define SNDRV_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SNDRV_CTL_NAME_##direction SNDRV_CTL_NAME_IEC958_##what | |
912 | ||
913 | /* | |
914 | * | |
915 | */ | |
916 | ||
917 | struct sndrv_xferv { | |
918 | const struct iovec *vector; | |
919 | unsigned long count; | |
920 | }; | |
921 | ||
922 | enum { | |
923 | SNDRV_IOCTL_READV = _IOW('K', 0x00, struct sndrv_xferv), | |
924 | SNDRV_IOCTL_WRITEV = _IOW('K', 0x01, struct sndrv_xferv), | |
925 | }; | |
926 | ||
927 | #endif /* __SOUND_ASOUND_H */ |