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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 | ||
1da177e4 | 26 | #ifdef __KERNEL__ |
6560c349 | 27 | #include <linux/ioctl.h> |
1da177e4 LT |
28 | #include <linux/types.h> |
29 | #include <linux/time.h> | |
30 | #include <asm/byteorder.h> | |
31 | ||
32 | #ifdef __LITTLE_ENDIAN | |
33 | #define SNDRV_LITTLE_ENDIAN | |
34 | #else | |
35 | #ifdef __BIG_ENDIAN | |
36 | #define SNDRV_BIG_ENDIAN | |
37 | #else | |
38 | #error "Unsupported endian..." | |
39 | #endif | |
40 | #endif | |
41 | ||
6560c349 | 42 | #endif /* __KERNEL__ **/ |
1da177e4 LT |
43 | |
44 | /* | |
45 | * protocol version | |
46 | */ | |
47 | ||
48 | #define SNDRV_PROTOCOL_VERSION(major, minor, subminor) (((major)<<16)|((minor)<<8)|(subminor)) | |
49 | #define SNDRV_PROTOCOL_MAJOR(version) (((version)>>16)&0xffff) | |
50 | #define SNDRV_PROTOCOL_MINOR(version) (((version)>>8)&0xff) | |
51 | #define SNDRV_PROTOCOL_MICRO(version) ((version)&0xff) | |
52 | #define SNDRV_PROTOCOL_INCOMPATIBLE(kversion, uversion) \ | |
53 | (SNDRV_PROTOCOL_MAJOR(kversion) != SNDRV_PROTOCOL_MAJOR(uversion) || \ | |
54 | (SNDRV_PROTOCOL_MAJOR(kversion) == SNDRV_PROTOCOL_MAJOR(uversion) && \ | |
55 | SNDRV_PROTOCOL_MINOR(kversion) != SNDRV_PROTOCOL_MINOR(uversion))) | |
56 | ||
57 | /**************************************************************************** | |
58 | * * | |
59 | * Digital audio interface * | |
60 | * * | |
61 | ****************************************************************************/ | |
62 | ||
63 | struct sndrv_aes_iec958 { | |
64 | unsigned char status[24]; /* AES/IEC958 channel status bits */ | |
65 | unsigned char subcode[147]; /* AES/IEC958 subcode bits */ | |
66 | unsigned char pad; /* nothing */ | |
67 | unsigned char dig_subframe[4]; /* AES/IEC958 subframe bits */ | |
68 | }; | |
69 | ||
70 | /**************************************************************************** | |
71 | * * | |
72 | * Section for driver hardware dependent interface - /dev/snd/hw? * | |
73 | * * | |
74 | ****************************************************************************/ | |
75 | ||
76 | #define SNDRV_HWDEP_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1) | |
77 | ||
78 | enum sndrv_hwdep_iface { | |
79 | SNDRV_HWDEP_IFACE_OPL2 = 0, | |
80 | SNDRV_HWDEP_IFACE_OPL3, | |
81 | SNDRV_HWDEP_IFACE_OPL4, | |
82 | SNDRV_HWDEP_IFACE_SB16CSP, /* Creative Signal Processor */ | |
83 | SNDRV_HWDEP_IFACE_EMU10K1, /* FX8010 processor in EMU10K1 chip */ | |
84 | SNDRV_HWDEP_IFACE_YSS225, /* Yamaha FX processor */ | |
85 | SNDRV_HWDEP_IFACE_ICS2115, /* Wavetable synth */ | |
86 | SNDRV_HWDEP_IFACE_SSCAPE, /* Ensoniq SoundScape ISA card (MC68EC000) */ | |
87 | SNDRV_HWDEP_IFACE_VX, /* Digigram VX cards */ | |
88 | SNDRV_HWDEP_IFACE_MIXART, /* Digigram miXart cards */ | |
89 | SNDRV_HWDEP_IFACE_USX2Y, /* Tascam US122, US224 & US428 usb */ | |
90 | SNDRV_HWDEP_IFACE_EMUX_WAVETABLE, /* EmuX wavetable */ | |
91 | SNDRV_HWDEP_IFACE_BLUETOOTH, /* Bluetooth audio */ | |
92 | SNDRV_HWDEP_IFACE_USX2Y_PCM, /* Tascam US122, US224 & US428 rawusb pcm */ | |
93 | SNDRV_HWDEP_IFACE_PCXHR, /* Digigram PCXHR */ | |
b259b10c | 94 | SNDRV_HWDEP_IFACE_SB_RC, /* SB Extigy/Audigy2NX remote control */ |
1da177e4 LT |
95 | |
96 | /* Don't forget to change the following: */ | |
b259b10c | 97 | SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_SB_RC |
1da177e4 LT |
98 | }; |
99 | ||
100 | struct sndrv_hwdep_info { | |
101 | unsigned int device; /* WR: device number */ | |
102 | int card; /* R: card number */ | |
103 | unsigned char id[64]; /* ID (user selectable) */ | |
104 | unsigned char name[80]; /* hwdep name */ | |
105 | enum sndrv_hwdep_iface iface; /* hwdep interface */ | |
106 | unsigned char reserved[64]; /* reserved for future */ | |
107 | }; | |
108 | ||
109 | /* generic DSP loader */ | |
110 | struct sndrv_hwdep_dsp_status { | |
111 | unsigned int version; /* R: driver-specific version */ | |
112 | unsigned char id[32]; /* R: driver-specific ID string */ | |
113 | unsigned int num_dsps; /* R: number of DSP images to transfer */ | |
114 | unsigned int dsp_loaded; /* R: bit flags indicating the loaded DSPs */ | |
115 | unsigned int chip_ready; /* R: 1 = initialization finished */ | |
116 | unsigned char reserved[16]; /* reserved for future use */ | |
117 | }; | |
118 | ||
119 | struct sndrv_hwdep_dsp_image { | |
120 | unsigned int index; /* W: DSP index */ | |
121 | unsigned char name[64]; /* W: ID (e.g. file name) */ | |
122 | unsigned char __user *image; /* W: binary image */ | |
123 | size_t length; /* W: size of image in bytes */ | |
124 | unsigned long driver_data; /* W: driver-specific data */ | |
125 | }; | |
126 | ||
127 | enum { | |
128 | SNDRV_HWDEP_IOCTL_PVERSION = _IOR ('H', 0x00, int), | |
129 | SNDRV_HWDEP_IOCTL_INFO = _IOR ('H', 0x01, struct sndrv_hwdep_info), | |
130 | SNDRV_HWDEP_IOCTL_DSP_STATUS = _IOR('H', 0x02, struct sndrv_hwdep_dsp_status), | |
131 | SNDRV_HWDEP_IOCTL_DSP_LOAD = _IOW('H', 0x03, struct sndrv_hwdep_dsp_image) | |
132 | }; | |
133 | ||
134 | /***************************************************************************** | |
135 | * * | |
136 | * Digital Audio (PCM) interface - /dev/snd/pcm?? * | |
137 | * * | |
138 | *****************************************************************************/ | |
139 | ||
140 | #define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 7) | |
141 | ||
142 | typedef unsigned long sndrv_pcm_uframes_t; | |
143 | typedef long sndrv_pcm_sframes_t; | |
144 | ||
145 | enum sndrv_pcm_class { | |
146 | SNDRV_PCM_CLASS_GENERIC = 0, /* standard mono or stereo device */ | |
147 | SNDRV_PCM_CLASS_MULTI, /* multichannel device */ | |
148 | SNDRV_PCM_CLASS_MODEM, /* software modem class */ | |
149 | SNDRV_PCM_CLASS_DIGITIZER, /* digitizer class */ | |
150 | /* Don't forget to change the following: */ | |
151 | SNDRV_PCM_CLASS_LAST = SNDRV_PCM_CLASS_DIGITIZER, | |
152 | }; | |
153 | ||
154 | enum sndrv_pcm_subclass { | |
155 | SNDRV_PCM_SUBCLASS_GENERIC_MIX = 0, /* mono or stereo subdevices are mixed together */ | |
156 | SNDRV_PCM_SUBCLASS_MULTI_MIX, /* multichannel subdevices are mixed together */ | |
157 | /* Don't forget to change the following: */ | |
158 | SNDRV_PCM_SUBCLASS_LAST = SNDRV_PCM_SUBCLASS_MULTI_MIX, | |
159 | }; | |
160 | ||
161 | enum sndrv_pcm_stream { | |
162 | SNDRV_PCM_STREAM_PLAYBACK = 0, | |
163 | SNDRV_PCM_STREAM_CAPTURE, | |
164 | SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE, | |
165 | }; | |
166 | ||
167 | enum sndrv_pcm_access { | |
168 | SNDRV_PCM_ACCESS_MMAP_INTERLEAVED = 0, /* interleaved mmap */ | |
169 | SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED, /* noninterleaved mmap */ | |
170 | SNDRV_PCM_ACCESS_MMAP_COMPLEX, /* complex mmap */ | |
171 | SNDRV_PCM_ACCESS_RW_INTERLEAVED, /* readi/writei */ | |
172 | SNDRV_PCM_ACCESS_RW_NONINTERLEAVED, /* readn/writen */ | |
173 | SNDRV_PCM_ACCESS_LAST = SNDRV_PCM_ACCESS_RW_NONINTERLEAVED, | |
174 | }; | |
175 | ||
176 | enum sndrv_pcm_format { | |
177 | SNDRV_PCM_FORMAT_S8 = 0, | |
178 | SNDRV_PCM_FORMAT_U8, | |
179 | SNDRV_PCM_FORMAT_S16_LE, | |
180 | SNDRV_PCM_FORMAT_S16_BE, | |
181 | SNDRV_PCM_FORMAT_U16_LE, | |
182 | SNDRV_PCM_FORMAT_U16_BE, | |
183 | SNDRV_PCM_FORMAT_S24_LE, /* low three bytes */ | |
184 | SNDRV_PCM_FORMAT_S24_BE, /* low three bytes */ | |
185 | SNDRV_PCM_FORMAT_U24_LE, /* low three bytes */ | |
186 | SNDRV_PCM_FORMAT_U24_BE, /* low three bytes */ | |
187 | SNDRV_PCM_FORMAT_S32_LE, | |
188 | SNDRV_PCM_FORMAT_S32_BE, | |
189 | SNDRV_PCM_FORMAT_U32_LE, | |
190 | SNDRV_PCM_FORMAT_U32_BE, | |
191 | SNDRV_PCM_FORMAT_FLOAT_LE, /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */ | |
192 | SNDRV_PCM_FORMAT_FLOAT_BE, /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */ | |
193 | SNDRV_PCM_FORMAT_FLOAT64_LE, /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */ | |
194 | SNDRV_PCM_FORMAT_FLOAT64_BE, /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */ | |
195 | SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE, /* IEC-958 subframe, Little Endian */ | |
196 | SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE, /* IEC-958 subframe, Big Endian */ | |
197 | SNDRV_PCM_FORMAT_MU_LAW, | |
198 | SNDRV_PCM_FORMAT_A_LAW, | |
199 | SNDRV_PCM_FORMAT_IMA_ADPCM, | |
200 | SNDRV_PCM_FORMAT_MPEG, | |
201 | SNDRV_PCM_FORMAT_GSM, | |
202 | SNDRV_PCM_FORMAT_SPECIAL = 31, | |
203 | SNDRV_PCM_FORMAT_S24_3LE = 32, /* in three bytes */ | |
204 | SNDRV_PCM_FORMAT_S24_3BE, /* in three bytes */ | |
205 | SNDRV_PCM_FORMAT_U24_3LE, /* in three bytes */ | |
206 | SNDRV_PCM_FORMAT_U24_3BE, /* in three bytes */ | |
207 | SNDRV_PCM_FORMAT_S20_3LE, /* in three bytes */ | |
208 | SNDRV_PCM_FORMAT_S20_3BE, /* in three bytes */ | |
209 | SNDRV_PCM_FORMAT_U20_3LE, /* in three bytes */ | |
210 | SNDRV_PCM_FORMAT_U20_3BE, /* in three bytes */ | |
211 | SNDRV_PCM_FORMAT_S18_3LE, /* in three bytes */ | |
212 | SNDRV_PCM_FORMAT_S18_3BE, /* in three bytes */ | |
213 | SNDRV_PCM_FORMAT_U18_3LE, /* in three bytes */ | |
214 | SNDRV_PCM_FORMAT_U18_3BE, /* in three bytes */ | |
215 | SNDRV_PCM_FORMAT_LAST = SNDRV_PCM_FORMAT_U18_3BE, | |
216 | ||
217 | #ifdef SNDRV_LITTLE_ENDIAN | |
218 | SNDRV_PCM_FORMAT_S16 = SNDRV_PCM_FORMAT_S16_LE, | |
219 | SNDRV_PCM_FORMAT_U16 = SNDRV_PCM_FORMAT_U16_LE, | |
220 | SNDRV_PCM_FORMAT_S24 = SNDRV_PCM_FORMAT_S24_LE, | |
221 | SNDRV_PCM_FORMAT_U24 = SNDRV_PCM_FORMAT_U24_LE, | |
222 | SNDRV_PCM_FORMAT_S32 = SNDRV_PCM_FORMAT_S32_LE, | |
223 | SNDRV_PCM_FORMAT_U32 = SNDRV_PCM_FORMAT_U32_LE, | |
224 | SNDRV_PCM_FORMAT_FLOAT = SNDRV_PCM_FORMAT_FLOAT_LE, | |
225 | SNDRV_PCM_FORMAT_FLOAT64 = SNDRV_PCM_FORMAT_FLOAT64_LE, | |
226 | SNDRV_PCM_FORMAT_IEC958_SUBFRAME = SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE, | |
227 | #endif | |
228 | #ifdef SNDRV_BIG_ENDIAN | |
229 | SNDRV_PCM_FORMAT_S16 = SNDRV_PCM_FORMAT_S16_BE, | |
230 | SNDRV_PCM_FORMAT_U16 = SNDRV_PCM_FORMAT_U16_BE, | |
231 | SNDRV_PCM_FORMAT_S24 = SNDRV_PCM_FORMAT_S24_BE, | |
232 | SNDRV_PCM_FORMAT_U24 = SNDRV_PCM_FORMAT_U24_BE, | |
233 | SNDRV_PCM_FORMAT_S32 = SNDRV_PCM_FORMAT_S32_BE, | |
234 | SNDRV_PCM_FORMAT_U32 = SNDRV_PCM_FORMAT_U32_BE, | |
235 | SNDRV_PCM_FORMAT_FLOAT = SNDRV_PCM_FORMAT_FLOAT_BE, | |
236 | SNDRV_PCM_FORMAT_FLOAT64 = SNDRV_PCM_FORMAT_FLOAT64_BE, | |
237 | SNDRV_PCM_FORMAT_IEC958_SUBFRAME = SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE, | |
238 | #endif | |
239 | }; | |
240 | ||
241 | enum sndrv_pcm_subformat { | |
242 | SNDRV_PCM_SUBFORMAT_STD = 0, | |
243 | SNDRV_PCM_SUBFORMAT_LAST = SNDRV_PCM_SUBFORMAT_STD, | |
244 | }; | |
245 | ||
246 | #define SNDRV_PCM_INFO_MMAP 0x00000001 /* hardware supports mmap */ | |
247 | #define SNDRV_PCM_INFO_MMAP_VALID 0x00000002 /* period data are valid during transfer */ | |
248 | #define SNDRV_PCM_INFO_DOUBLE 0x00000004 /* Double buffering needed for PCM start/stop */ | |
249 | #define SNDRV_PCM_INFO_BATCH 0x00000010 /* double buffering */ | |
250 | #define SNDRV_PCM_INFO_INTERLEAVED 0x00000100 /* channels are interleaved */ | |
251 | #define SNDRV_PCM_INFO_NONINTERLEAVED 0x00000200 /* channels are not interleaved */ | |
252 | #define SNDRV_PCM_INFO_COMPLEX 0x00000400 /* complex frame organization (mmap only) */ | |
253 | #define SNDRV_PCM_INFO_BLOCK_TRANSFER 0x00010000 /* hardware transfer block of samples */ | |
254 | #define SNDRV_PCM_INFO_OVERRANGE 0x00020000 /* hardware supports ADC (capture) overrange detection */ | |
255 | #define SNDRV_PCM_INFO_RESUME 0x00040000 /* hardware supports stream resume after suspend */ | |
256 | #define SNDRV_PCM_INFO_PAUSE 0x00080000 /* pause ioctl is supported */ | |
257 | #define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000 /* only half duplex */ | |
258 | #define SNDRV_PCM_INFO_JOINT_DUPLEX 0x00200000 /* playback and capture stream are somewhat correlated */ | |
259 | #define SNDRV_PCM_INFO_SYNC_START 0x00400000 /* pcm support some kind of sync go */ | |
260 | ||
261 | enum sndrv_pcm_state { | |
262 | SNDRV_PCM_STATE_OPEN = 0, /* stream is open */ | |
263 | SNDRV_PCM_STATE_SETUP, /* stream has a setup */ | |
264 | SNDRV_PCM_STATE_PREPARED, /* stream is ready to start */ | |
265 | SNDRV_PCM_STATE_RUNNING, /* stream is running */ | |
266 | SNDRV_PCM_STATE_XRUN, /* stream reached an xrun */ | |
267 | SNDRV_PCM_STATE_DRAINING, /* stream is draining */ | |
268 | SNDRV_PCM_STATE_PAUSED, /* stream is paused */ | |
269 | SNDRV_PCM_STATE_SUSPENDED, /* hardware is suspended */ | |
270 | SNDRV_PCM_STATE_DISCONNECTED, /* hardware is disconnected */ | |
271 | SNDRV_PCM_STATE_LAST = SNDRV_PCM_STATE_DISCONNECTED, | |
272 | }; | |
273 | ||
274 | enum { | |
275 | SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000, | |
276 | SNDRV_PCM_MMAP_OFFSET_STATUS = 0x80000000, | |
277 | SNDRV_PCM_MMAP_OFFSET_CONTROL = 0x81000000, | |
278 | }; | |
279 | ||
280 | union sndrv_pcm_sync_id { | |
281 | unsigned char id[16]; | |
282 | unsigned short id16[8]; | |
283 | unsigned int id32[4]; | |
284 | }; | |
285 | ||
286 | struct sndrv_pcm_info { | |
287 | unsigned int device; /* RO/WR (control): device number */ | |
288 | unsigned int subdevice; /* RO/WR (control): subdevice number */ | |
289 | enum sndrv_pcm_stream stream; /* RO/WR (control): stream number */ | |
290 | int card; /* R: card number */ | |
291 | unsigned char id[64]; /* ID (user selectable) */ | |
292 | unsigned char name[80]; /* name of this device */ | |
293 | unsigned char subname[32]; /* subdevice name */ | |
294 | enum sndrv_pcm_class dev_class; /* SNDRV_PCM_CLASS_* */ | |
295 | enum sndrv_pcm_subclass dev_subclass; /* SNDRV_PCM_SUBCLASS_* */ | |
296 | unsigned int subdevices_count; | |
297 | unsigned int subdevices_avail; | |
298 | union sndrv_pcm_sync_id sync; /* hardware synchronization ID */ | |
299 | unsigned char reserved[64]; /* reserved for future... */ | |
300 | }; | |
301 | ||
302 | enum sndrv_pcm_hw_param { | |
303 | SNDRV_PCM_HW_PARAM_ACCESS = 0, /* Access type */ | |
304 | SNDRV_PCM_HW_PARAM_FIRST_MASK = SNDRV_PCM_HW_PARAM_ACCESS, | |
305 | SNDRV_PCM_HW_PARAM_FORMAT, /* Format */ | |
306 | SNDRV_PCM_HW_PARAM_SUBFORMAT, /* Subformat */ | |
307 | SNDRV_PCM_HW_PARAM_LAST_MASK = SNDRV_PCM_HW_PARAM_SUBFORMAT, | |
308 | ||
309 | SNDRV_PCM_HW_PARAM_SAMPLE_BITS = 8, /* Bits per sample */ | |
310 | SNDRV_PCM_HW_PARAM_FIRST_INTERVAL = SNDRV_PCM_HW_PARAM_SAMPLE_BITS, | |
311 | SNDRV_PCM_HW_PARAM_FRAME_BITS, /* Bits per frame */ | |
312 | SNDRV_PCM_HW_PARAM_CHANNELS, /* Channels */ | |
313 | SNDRV_PCM_HW_PARAM_RATE, /* Approx rate */ | |
314 | SNDRV_PCM_HW_PARAM_PERIOD_TIME, /* Approx distance between interrupts | |
315 | in us */ | |
316 | SNDRV_PCM_HW_PARAM_PERIOD_SIZE, /* Approx frames between interrupts */ | |
317 | SNDRV_PCM_HW_PARAM_PERIOD_BYTES, /* Approx bytes between interrupts */ | |
318 | SNDRV_PCM_HW_PARAM_PERIODS, /* Approx interrupts per buffer */ | |
319 | SNDRV_PCM_HW_PARAM_BUFFER_TIME, /* Approx duration of buffer in us */ | |
320 | SNDRV_PCM_HW_PARAM_BUFFER_SIZE, /* Size of buffer in frames */ | |
321 | SNDRV_PCM_HW_PARAM_BUFFER_BYTES, /* Size of buffer in bytes */ | |
322 | SNDRV_PCM_HW_PARAM_TICK_TIME, /* Approx tick duration in us */ | |
323 | SNDRV_PCM_HW_PARAM_LAST_INTERVAL = SNDRV_PCM_HW_PARAM_TICK_TIME | |
324 | }; | |
325 | ||
267cdf40 | 326 | #define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1<<0) /* avoid rate resampling */ |
1da177e4 LT |
327 | |
328 | struct sndrv_interval { | |
329 | unsigned int min, max; | |
330 | unsigned int openmin:1, | |
331 | openmax:1, | |
332 | integer:1, | |
333 | empty:1; | |
334 | }; | |
335 | ||
336 | #define SNDRV_MASK_MAX 256 | |
337 | ||
338 | struct sndrv_mask { | |
339 | u_int32_t bits[(SNDRV_MASK_MAX+31)/32]; | |
340 | }; | |
341 | ||
342 | struct sndrv_pcm_hw_params { | |
343 | unsigned int flags; | |
344 | struct sndrv_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - | |
345 | SNDRV_PCM_HW_PARAM_FIRST_MASK + 1]; | |
346 | struct sndrv_mask mres[5]; /* reserved masks */ | |
347 | struct sndrv_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL - | |
348 | SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1]; | |
349 | struct sndrv_interval ires[9]; /* reserved intervals */ | |
350 | unsigned int rmask; /* W: requested masks */ | |
351 | unsigned int cmask; /* R: changed masks */ | |
352 | unsigned int info; /* R: Info flags for returned setup */ | |
353 | unsigned int msbits; /* R: used most significant bits */ | |
354 | unsigned int rate_num; /* R: rate numerator */ | |
355 | unsigned int rate_den; /* R: rate denominator */ | |
356 | sndrv_pcm_uframes_t fifo_size; /* R: chip FIFO size in frames */ | |
357 | unsigned char reserved[64]; /* reserved for future */ | |
358 | }; | |
359 | ||
360 | enum sndrv_pcm_tstamp { | |
361 | SNDRV_PCM_TSTAMP_NONE = 0, | |
362 | SNDRV_PCM_TSTAMP_MMAP, | |
363 | SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_MMAP, | |
364 | }; | |
365 | ||
366 | struct sndrv_pcm_sw_params { | |
367 | enum sndrv_pcm_tstamp tstamp_mode; /* timestamp mode */ | |
368 | unsigned int period_step; | |
369 | unsigned int sleep_min; /* min ticks to sleep */ | |
370 | sndrv_pcm_uframes_t avail_min; /* min avail frames for wakeup */ | |
371 | sndrv_pcm_uframes_t xfer_align; /* xfer size need to be a multiple */ | |
372 | sndrv_pcm_uframes_t start_threshold; /* min hw_avail frames for automatic start */ | |
373 | sndrv_pcm_uframes_t stop_threshold; /* min avail frames for automatic stop */ | |
374 | sndrv_pcm_uframes_t silence_threshold; /* min distance from noise for silence filling */ | |
375 | sndrv_pcm_uframes_t silence_size; /* silence block size */ | |
376 | sndrv_pcm_uframes_t boundary; /* pointers wrap point */ | |
377 | unsigned char reserved[64]; /* reserved for future */ | |
378 | }; | |
379 | ||
380 | struct sndrv_pcm_channel_info { | |
381 | unsigned int channel; | |
382 | off_t offset; /* mmap offset */ | |
383 | unsigned int first; /* offset to first sample in bits */ | |
384 | unsigned int step; /* samples distance in bits */ | |
385 | }; | |
386 | ||
387 | struct sndrv_pcm_status { | |
388 | enum sndrv_pcm_state state; /* stream state */ | |
389 | struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */ | |
390 | struct timespec tstamp; /* reference timestamp */ | |
391 | sndrv_pcm_uframes_t appl_ptr; /* appl ptr */ | |
392 | sndrv_pcm_uframes_t hw_ptr; /* hw ptr */ | |
393 | sndrv_pcm_sframes_t delay; /* current delay in frames */ | |
394 | sndrv_pcm_uframes_t avail; /* number of frames available */ | |
395 | sndrv_pcm_uframes_t avail_max; /* max frames available on hw since last status */ | |
396 | sndrv_pcm_uframes_t overrange; /* count of ADC (capture) overrange detections from last status */ | |
397 | enum sndrv_pcm_state suspended_state; /* suspended stream state */ | |
398 | unsigned char reserved[60]; /* must be filled with zero */ | |
399 | }; | |
400 | ||
401 | struct sndrv_pcm_mmap_status { | |
402 | enum sndrv_pcm_state state; /* RO: state - SNDRV_PCM_STATE_XXXX */ | |
403 | int pad1; /* Needed for 64 bit alignment */ | |
404 | sndrv_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */ | |
405 | struct timespec tstamp; /* Timestamp */ | |
406 | enum sndrv_pcm_state suspended_state; /* RO: suspended stream state */ | |
407 | }; | |
408 | ||
409 | struct sndrv_pcm_mmap_control { | |
410 | sndrv_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */ | |
411 | sndrv_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */ | |
412 | }; | |
413 | ||
414 | #define SNDRV_PCM_SYNC_PTR_HWSYNC (1<<0) /* execute hwsync */ | |
415 | #define SNDRV_PCM_SYNC_PTR_APPL (1<<1) /* get appl_ptr from driver (r/w op) */ | |
416 | #define SNDRV_PCM_SYNC_PTR_AVAIL_MIN (1<<2) /* get avail_min from driver */ | |
417 | ||
418 | struct sndrv_pcm_sync_ptr { | |
419 | unsigned int flags; | |
420 | union { | |
421 | struct sndrv_pcm_mmap_status status; | |
422 | unsigned char reserved[64]; | |
423 | } s; | |
424 | union { | |
425 | struct sndrv_pcm_mmap_control control; | |
426 | unsigned char reserved[64]; | |
427 | } c; | |
428 | }; | |
429 | ||
430 | struct sndrv_xferi { | |
431 | sndrv_pcm_sframes_t result; | |
432 | void __user *buf; | |
433 | sndrv_pcm_uframes_t frames; | |
434 | }; | |
435 | ||
436 | struct sndrv_xfern { | |
437 | sndrv_pcm_sframes_t result; | |
438 | void __user * __user *bufs; | |
439 | sndrv_pcm_uframes_t frames; | |
440 | }; | |
441 | ||
442 | enum { | |
443 | SNDRV_PCM_IOCTL_PVERSION = _IOR('A', 0x00, int), | |
444 | SNDRV_PCM_IOCTL_INFO = _IOR('A', 0x01, struct sndrv_pcm_info), | |
445 | SNDRV_PCM_IOCTL_TSTAMP = _IOW('A', 0x02, int), | |
446 | SNDRV_PCM_IOCTL_HW_REFINE = _IOWR('A', 0x10, struct sndrv_pcm_hw_params), | |
447 | SNDRV_PCM_IOCTL_HW_PARAMS = _IOWR('A', 0x11, struct sndrv_pcm_hw_params), | |
448 | SNDRV_PCM_IOCTL_HW_FREE = _IO('A', 0x12), | |
449 | SNDRV_PCM_IOCTL_SW_PARAMS = _IOWR('A', 0x13, struct sndrv_pcm_sw_params), | |
450 | SNDRV_PCM_IOCTL_STATUS = _IOR('A', 0x20, struct sndrv_pcm_status), | |
451 | SNDRV_PCM_IOCTL_DELAY = _IOR('A', 0x21, sndrv_pcm_sframes_t), | |
452 | SNDRV_PCM_IOCTL_HWSYNC = _IO('A', 0x22), | |
453 | SNDRV_PCM_IOCTL_SYNC_PTR = _IOWR('A', 0x23, struct sndrv_pcm_sync_ptr), | |
454 | SNDRV_PCM_IOCTL_CHANNEL_INFO = _IOR('A', 0x32, struct sndrv_pcm_channel_info), | |
455 | SNDRV_PCM_IOCTL_PREPARE = _IO('A', 0x40), | |
456 | SNDRV_PCM_IOCTL_RESET = _IO('A', 0x41), | |
457 | SNDRV_PCM_IOCTL_START = _IO('A', 0x42), | |
458 | SNDRV_PCM_IOCTL_DROP = _IO('A', 0x43), | |
459 | SNDRV_PCM_IOCTL_DRAIN = _IO('A', 0x44), | |
460 | SNDRV_PCM_IOCTL_PAUSE = _IOW('A', 0x45, int), | |
461 | SNDRV_PCM_IOCTL_REWIND = _IOW('A', 0x46, sndrv_pcm_uframes_t), | |
462 | SNDRV_PCM_IOCTL_RESUME = _IO('A', 0x47), | |
463 | SNDRV_PCM_IOCTL_XRUN = _IO('A', 0x48), | |
464 | SNDRV_PCM_IOCTL_FORWARD = _IOW('A', 0x49, sndrv_pcm_uframes_t), | |
465 | SNDRV_PCM_IOCTL_WRITEI_FRAMES = _IOW('A', 0x50, struct sndrv_xferi), | |
466 | SNDRV_PCM_IOCTL_READI_FRAMES = _IOR('A', 0x51, struct sndrv_xferi), | |
467 | SNDRV_PCM_IOCTL_WRITEN_FRAMES = _IOW('A', 0x52, struct sndrv_xfern), | |
468 | SNDRV_PCM_IOCTL_READN_FRAMES = _IOR('A', 0x53, struct sndrv_xfern), | |
469 | SNDRV_PCM_IOCTL_LINK = _IOW('A', 0x60, int), | |
470 | SNDRV_PCM_IOCTL_UNLINK = _IO('A', 0x61), | |
471 | }; | |
472 | ||
473 | /* Trick to make alsa-lib/acinclude.m4 happy */ | |
474 | #define SNDRV_PCM_IOCTL_REWIND SNDRV_PCM_IOCTL_REWIND | |
475 | ||
476 | /***************************************************************************** | |
477 | * * | |
478 | * MIDI v1.0 interface * | |
479 | * * | |
480 | *****************************************************************************/ | |
481 | ||
482 | /* | |
483 | * Raw MIDI section - /dev/snd/midi?? | |
484 | */ | |
485 | ||
486 | #define SNDRV_RAWMIDI_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 0) | |
487 | ||
488 | enum sndrv_rawmidi_stream { | |
489 | SNDRV_RAWMIDI_STREAM_OUTPUT = 0, | |
490 | SNDRV_RAWMIDI_STREAM_INPUT, | |
491 | SNDRV_RAWMIDI_STREAM_LAST = SNDRV_RAWMIDI_STREAM_INPUT, | |
492 | }; | |
493 | ||
494 | #define SNDRV_RAWMIDI_INFO_OUTPUT 0x00000001 | |
495 | #define SNDRV_RAWMIDI_INFO_INPUT 0x00000002 | |
496 | #define SNDRV_RAWMIDI_INFO_DUPLEX 0x00000004 | |
497 | ||
498 | struct sndrv_rawmidi_info { | |
499 | unsigned int device; /* RO/WR (control): device number */ | |
500 | unsigned int subdevice; /* RO/WR (control): subdevice number */ | |
501 | enum sndrv_rawmidi_stream stream; /* WR: stream */ | |
502 | int card; /* R: card number */ | |
503 | unsigned int flags; /* SNDRV_RAWMIDI_INFO_XXXX */ | |
504 | unsigned char id[64]; /* ID (user selectable) */ | |
505 | unsigned char name[80]; /* name of device */ | |
506 | unsigned char subname[32]; /* name of active or selected subdevice */ | |
507 | unsigned int subdevices_count; | |
508 | unsigned int subdevices_avail; | |
509 | unsigned char reserved[64]; /* reserved for future use */ | |
510 | }; | |
511 | ||
512 | struct sndrv_rawmidi_params { | |
513 | enum sndrv_rawmidi_stream stream; | |
514 | size_t buffer_size; /* queue size in bytes */ | |
515 | size_t avail_min; /* minimum avail bytes for wakeup */ | |
516 | unsigned int no_active_sensing: 1; /* do not send active sensing byte in close() */ | |
517 | unsigned char reserved[16]; /* reserved for future use */ | |
518 | }; | |
519 | ||
520 | struct sndrv_rawmidi_status { | |
521 | enum sndrv_rawmidi_stream stream; | |
522 | struct timespec tstamp; /* Timestamp */ | |
523 | size_t avail; /* available bytes */ | |
524 | size_t xruns; /* count of overruns since last status (in bytes) */ | |
525 | unsigned char reserved[16]; /* reserved for future use */ | |
526 | }; | |
527 | ||
528 | enum { | |
529 | SNDRV_RAWMIDI_IOCTL_PVERSION = _IOR('W', 0x00, int), | |
530 | SNDRV_RAWMIDI_IOCTL_INFO = _IOR('W', 0x01, struct sndrv_rawmidi_info), | |
531 | SNDRV_RAWMIDI_IOCTL_PARAMS = _IOWR('W', 0x10, struct sndrv_rawmidi_params), | |
532 | SNDRV_RAWMIDI_IOCTL_STATUS = _IOWR('W', 0x20, struct sndrv_rawmidi_status), | |
533 | SNDRV_RAWMIDI_IOCTL_DROP = _IOW('W', 0x30, int), | |
534 | SNDRV_RAWMIDI_IOCTL_DRAIN = _IOW('W', 0x31, int), | |
535 | }; | |
536 | ||
537 | /* | |
538 | * Timer section - /dev/snd/timer | |
539 | */ | |
540 | ||
a501dfa3 | 541 | #define SNDRV_TIMER_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 5) |
1da177e4 LT |
542 | |
543 | enum sndrv_timer_class { | |
544 | SNDRV_TIMER_CLASS_NONE = -1, | |
545 | SNDRV_TIMER_CLASS_SLAVE = 0, | |
546 | SNDRV_TIMER_CLASS_GLOBAL, | |
547 | SNDRV_TIMER_CLASS_CARD, | |
548 | SNDRV_TIMER_CLASS_PCM, | |
549 | SNDRV_TIMER_CLASS_LAST = SNDRV_TIMER_CLASS_PCM, | |
550 | }; | |
551 | ||
552 | /* slave timer classes */ | |
553 | enum sndrv_timer_slave_class { | |
554 | SNDRV_TIMER_SCLASS_NONE = 0, | |
555 | SNDRV_TIMER_SCLASS_APPLICATION, | |
556 | SNDRV_TIMER_SCLASS_SEQUENCER, /* alias */ | |
557 | SNDRV_TIMER_SCLASS_OSS_SEQUENCER, /* alias */ | |
558 | SNDRV_TIMER_SCLASS_LAST = SNDRV_TIMER_SCLASS_OSS_SEQUENCER, | |
559 | }; | |
560 | ||
561 | /* global timers (device member) */ | |
562 | #define SNDRV_TIMER_GLOBAL_SYSTEM 0 | |
563 | #define SNDRV_TIMER_GLOBAL_RTC 1 | |
564 | #define SNDRV_TIMER_GLOBAL_HPET 2 | |
565 | ||
566 | /* info flags */ | |
567 | #define SNDRV_TIMER_FLG_SLAVE (1<<0) /* cannot be controlled */ | |
568 | ||
569 | struct sndrv_timer_id { | |
570 | enum sndrv_timer_class dev_class; | |
571 | enum sndrv_timer_slave_class dev_sclass; | |
572 | int card; | |
573 | int device; | |
574 | int subdevice; | |
575 | }; | |
576 | ||
577 | struct sndrv_timer_ginfo { | |
578 | struct sndrv_timer_id tid; /* requested timer ID */ | |
579 | unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ | |
580 | int card; /* card number */ | |
581 | unsigned char id[64]; /* timer identification */ | |
582 | unsigned char name[80]; /* timer name */ | |
583 | unsigned long reserved0; /* reserved for future use */ | |
584 | unsigned long resolution; /* average period resolution in ns */ | |
585 | unsigned long resolution_min; /* minimal period resolution in ns */ | |
586 | unsigned long resolution_max; /* maximal period resolution in ns */ | |
587 | unsigned int clients; /* active timer clients */ | |
588 | unsigned char reserved[32]; | |
589 | }; | |
590 | ||
591 | struct sndrv_timer_gparams { | |
592 | struct sndrv_timer_id tid; /* requested timer ID */ | |
593 | unsigned long period_num; /* requested precise period duration (in seconds) - numerator */ | |
594 | unsigned long period_den; /* requested precise period duration (in seconds) - denominator */ | |
595 | unsigned char reserved[32]; | |
596 | }; | |
597 | ||
598 | struct sndrv_timer_gstatus { | |
599 | struct sndrv_timer_id tid; /* requested timer ID */ | |
600 | unsigned long resolution; /* current period resolution in ns */ | |
601 | unsigned long resolution_num; /* precise current period resolution (in seconds) - numerator */ | |
602 | unsigned long resolution_den; /* precise current period resolution (in seconds) - denominator */ | |
603 | unsigned char reserved[32]; | |
604 | }; | |
605 | ||
606 | struct sndrv_timer_select { | |
607 | struct sndrv_timer_id id; /* bind to timer ID */ | |
608 | unsigned char reserved[32]; /* reserved */ | |
609 | }; | |
610 | ||
611 | struct sndrv_timer_info { | |
612 | unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ | |
613 | int card; /* card number */ | |
614 | unsigned char id[64]; /* timer identificator */ | |
615 | unsigned char name[80]; /* timer name */ | |
616 | unsigned long reserved0; /* reserved for future use */ | |
617 | unsigned long resolution; /* average period resolution in ns */ | |
618 | unsigned char reserved[64]; /* reserved */ | |
619 | }; | |
620 | ||
621 | #define SNDRV_TIMER_PSFLG_AUTO (1<<0) /* auto start, otherwise one-shot */ | |
622 | #define SNDRV_TIMER_PSFLG_EXCLUSIVE (1<<1) /* exclusive use, precise start/stop/pause/continue */ | |
623 | #define SNDRV_TIMER_PSFLG_EARLY_EVENT (1<<2) /* write early event to the poll queue */ | |
624 | ||
625 | struct sndrv_timer_params { | |
626 | unsigned int flags; /* flags - SNDRV_MIXER_PSFLG_* */ | |
627 | unsigned int ticks; /* requested resolution in ticks */ | |
628 | unsigned int queue_size; /* total size of queue (32-1024) */ | |
629 | unsigned int reserved0; /* reserved, was: failure locations */ | |
630 | unsigned int filter; /* event filter (bitmask of SNDRV_TIMER_EVENT_*) */ | |
631 | unsigned char reserved[60]; /* reserved */ | |
632 | }; | |
633 | ||
634 | struct sndrv_timer_status { | |
635 | struct timespec tstamp; /* Timestamp - last update */ | |
636 | unsigned int resolution; /* current period resolution in ns */ | |
637 | unsigned int lost; /* counter of master tick lost */ | |
638 | unsigned int overrun; /* count of read queue overruns */ | |
639 | unsigned int queue; /* used queue size */ | |
640 | unsigned char reserved[64]; /* reserved */ | |
641 | }; | |
642 | ||
643 | enum { | |
644 | SNDRV_TIMER_IOCTL_PVERSION = _IOR('T', 0x00, int), | |
645 | SNDRV_TIMER_IOCTL_NEXT_DEVICE = _IOWR('T', 0x01, struct sndrv_timer_id), | |
646 | SNDRV_TIMER_IOCTL_TREAD = _IOW('T', 0x02, int), | |
647 | SNDRV_TIMER_IOCTL_GINFO = _IOWR('T', 0x03, struct sndrv_timer_ginfo), | |
648 | SNDRV_TIMER_IOCTL_GPARAMS = _IOW('T', 0x04, struct sndrv_timer_gparams), | |
649 | SNDRV_TIMER_IOCTL_GSTATUS = _IOWR('T', 0x05, struct sndrv_timer_gstatus), | |
650 | SNDRV_TIMER_IOCTL_SELECT = _IOW('T', 0x10, struct sndrv_timer_select), | |
651 | SNDRV_TIMER_IOCTL_INFO = _IOR('T', 0x11, struct sndrv_timer_info), | |
652 | SNDRV_TIMER_IOCTL_PARAMS = _IOW('T', 0x12, struct sndrv_timer_params), | |
653 | SNDRV_TIMER_IOCTL_STATUS = _IOR('T', 0x14, struct sndrv_timer_status), | |
8c50b37c TI |
654 | /* The following four ioctls are changed since 1.0.9 due to confliction */ |
655 | SNDRV_TIMER_IOCTL_START = _IO('T', 0xa0), | |
656 | SNDRV_TIMER_IOCTL_STOP = _IO('T', 0xa1), | |
657 | SNDRV_TIMER_IOCTL_CONTINUE = _IO('T', 0xa2), | |
658 | SNDRV_TIMER_IOCTL_PAUSE = _IO('T', 0xa3), | |
1da177e4 LT |
659 | }; |
660 | ||
661 | struct sndrv_timer_read { | |
662 | unsigned int resolution; | |
663 | unsigned int ticks; | |
664 | }; | |
665 | ||
666 | enum sndrv_timer_event { | |
667 | SNDRV_TIMER_EVENT_RESOLUTION = 0, /* val = resolution in ns */ | |
668 | SNDRV_TIMER_EVENT_TICK, /* val = ticks */ | |
669 | SNDRV_TIMER_EVENT_START, /* val = resolution in ns */ | |
670 | SNDRV_TIMER_EVENT_STOP, /* val = 0 */ | |
671 | SNDRV_TIMER_EVENT_CONTINUE, /* val = resolution in ns */ | |
672 | SNDRV_TIMER_EVENT_PAUSE, /* val = 0 */ | |
673 | SNDRV_TIMER_EVENT_EARLY, /* val = 0, early event */ | |
a501dfa3 | 674 | SNDRV_TIMER_EVENT_SUSPEND, /* val = 0 */ |
5ca307b2 | 675 | SNDRV_TIMER_EVENT_RESUME, /* val = resolution in ns */ |
1da177e4 LT |
676 | /* master timer events for slave timer instances */ |
677 | SNDRV_TIMER_EVENT_MSTART = SNDRV_TIMER_EVENT_START + 10, | |
678 | SNDRV_TIMER_EVENT_MSTOP = SNDRV_TIMER_EVENT_STOP + 10, | |
679 | SNDRV_TIMER_EVENT_MCONTINUE = SNDRV_TIMER_EVENT_CONTINUE + 10, | |
680 | SNDRV_TIMER_EVENT_MPAUSE = SNDRV_TIMER_EVENT_PAUSE + 10, | |
a501dfa3 JK |
681 | SNDRV_TIMER_EVENT_MSUSPEND = SNDRV_TIMER_EVENT_SUSPEND + 10, |
682 | SNDRV_TIMER_EVENT_MRESUME = SNDRV_TIMER_EVENT_RESUME + 10, | |
1da177e4 LT |
683 | }; |
684 | ||
685 | struct sndrv_timer_tread { | |
686 | enum sndrv_timer_event event; | |
687 | struct timespec tstamp; | |
688 | unsigned int val; | |
689 | }; | |
690 | ||
691 | /**************************************************************************** | |
692 | * * | |
693 | * Section for driver control interface - /dev/snd/control? * | |
694 | * * | |
695 | ****************************************************************************/ | |
696 | ||
697 | #define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 3) | |
698 | ||
699 | struct sndrv_ctl_card_info { | |
700 | int card; /* card number */ | |
701 | int pad; /* reserved for future (was type) */ | |
702 | unsigned char id[16]; /* ID of card (user selectable) */ | |
703 | unsigned char driver[16]; /* Driver name */ | |
704 | unsigned char name[32]; /* Short name of soundcard */ | |
705 | unsigned char longname[80]; /* name + info text about soundcard */ | |
706 | unsigned char reserved_[16]; /* reserved for future (was ID of mixer) */ | |
707 | unsigned char mixername[80]; /* visual mixer identification */ | |
708 | unsigned char components[80]; /* card components / fine identification, delimited with one space (AC97 etc..) */ | |
709 | unsigned char reserved[48]; /* reserved for future */ | |
710 | }; | |
711 | ||
712 | enum sndrv_ctl_elem_type { | |
713 | SNDRV_CTL_ELEM_TYPE_NONE = 0, /* invalid */ | |
714 | SNDRV_CTL_ELEM_TYPE_BOOLEAN, /* boolean type */ | |
715 | SNDRV_CTL_ELEM_TYPE_INTEGER, /* integer type */ | |
716 | SNDRV_CTL_ELEM_TYPE_ENUMERATED, /* enumerated type */ | |
717 | SNDRV_CTL_ELEM_TYPE_BYTES, /* byte array */ | |
718 | SNDRV_CTL_ELEM_TYPE_IEC958, /* IEC958 (S/PDIF) setup */ | |
719 | SNDRV_CTL_ELEM_TYPE_INTEGER64, /* 64-bit integer type */ | |
720 | SNDRV_CTL_ELEM_TYPE_LAST = SNDRV_CTL_ELEM_TYPE_INTEGER64, | |
721 | }; | |
722 | ||
723 | enum sndrv_ctl_elem_iface { | |
724 | SNDRV_CTL_ELEM_IFACE_CARD = 0, /* global control */ | |
725 | SNDRV_CTL_ELEM_IFACE_HWDEP, /* hardware dependent device */ | |
726 | SNDRV_CTL_ELEM_IFACE_MIXER, /* virtual mixer device */ | |
727 | SNDRV_CTL_ELEM_IFACE_PCM, /* PCM device */ | |
728 | SNDRV_CTL_ELEM_IFACE_RAWMIDI, /* RawMidi device */ | |
729 | SNDRV_CTL_ELEM_IFACE_TIMER, /* timer device */ | |
730 | SNDRV_CTL_ELEM_IFACE_SEQUENCER, /* sequencer client */ | |
731 | SNDRV_CTL_ELEM_IFACE_LAST = SNDRV_CTL_ELEM_IFACE_SEQUENCER, | |
732 | }; | |
733 | ||
734 | #define SNDRV_CTL_ELEM_ACCESS_READ (1<<0) | |
735 | #define SNDRV_CTL_ELEM_ACCESS_WRITE (1<<1) | |
736 | #define SNDRV_CTL_ELEM_ACCESS_READWRITE (SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE) | |
737 | #define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1<<2) /* control value may be changed without a notification */ | |
738 | #define SNDRV_CTL_ELEM_ACCESS_TIMESTAMP (1<<2) /* when was control changed */ | |
739 | #define SNDRV_CTL_ELEM_ACCESS_INACTIVE (1<<8) /* control does actually nothing, but may be updated */ | |
740 | #define SNDRV_CTL_ELEM_ACCESS_LOCK (1<<9) /* write lock */ | |
741 | #define SNDRV_CTL_ELEM_ACCESS_OWNER (1<<10) /* write lock owner */ | |
742 | #define SNDRV_CTL_ELEM_ACCESS_USER (1<<29) /* user space element */ | |
743 | #define SNDRV_CTL_ELEM_ACCESS_DINDIRECT (1<<30) /* indirect access for matrix dimensions in the info structure */ | |
744 | #define SNDRV_CTL_ELEM_ACCESS_INDIRECT (1<<31) /* indirect access for element value in the value structure */ | |
745 | ||
746 | /* for further details see the ACPI and PCI power management specification */ | |
747 | #define SNDRV_CTL_POWER_D0 0x0000 /* full On */ | |
748 | #define SNDRV_CTL_POWER_D1 0x0100 /* partial On */ | |
749 | #define SNDRV_CTL_POWER_D2 0x0200 /* partial On */ | |
750 | #define SNDRV_CTL_POWER_D3 0x0300 /* Off */ | |
751 | #define SNDRV_CTL_POWER_D3hot (SNDRV_CTL_POWER_D3|0x0000) /* Off, with power */ | |
752 | #define SNDRV_CTL_POWER_D3cold (SNDRV_CTL_POWER_D3|0x0001) /* Off, without power */ | |
753 | ||
754 | struct sndrv_ctl_elem_id { | |
755 | unsigned int numid; /* numeric identifier, zero = invalid */ | |
756 | enum sndrv_ctl_elem_iface iface; /* interface identifier */ | |
757 | unsigned int device; /* device/client number */ | |
758 | unsigned int subdevice; /* subdevice (substream) number */ | |
759 | unsigned char name[44]; /* ASCII name of item */ | |
760 | unsigned int index; /* index of item */ | |
761 | }; | |
762 | ||
763 | struct sndrv_ctl_elem_list { | |
764 | unsigned int offset; /* W: first element ID to get */ | |
765 | unsigned int space; /* W: count of element IDs to get */ | |
766 | unsigned int used; /* R: count of element IDs set */ | |
767 | unsigned int count; /* R: count of all elements */ | |
768 | struct sndrv_ctl_elem_id __user *pids; /* R: IDs */ | |
769 | unsigned char reserved[50]; | |
770 | }; | |
771 | ||
772 | struct sndrv_ctl_elem_info { | |
773 | struct sndrv_ctl_elem_id id; /* W: element ID */ | |
774 | enum sndrv_ctl_elem_type type; /* R: value type - SNDRV_CTL_ELEM_TYPE_* */ | |
775 | unsigned int access; /* R: value access (bitmask) - SNDRV_CTL_ELEM_ACCESS_* */ | |
776 | unsigned int count; /* count of values */ | |
777 | pid_t owner; /* owner's PID of this control */ | |
778 | union { | |
779 | struct { | |
780 | long min; /* R: minimum value */ | |
781 | long max; /* R: maximum value */ | |
782 | long step; /* R: step (0 variable) */ | |
783 | } integer; | |
784 | struct { | |
785 | long long min; /* R: minimum value */ | |
786 | long long max; /* R: maximum value */ | |
787 | long long step; /* R: step (0 variable) */ | |
788 | } integer64; | |
789 | struct { | |
790 | unsigned int items; /* R: number of items */ | |
791 | unsigned int item; /* W: item number */ | |
792 | char name[64]; /* R: value name */ | |
793 | } enumerated; | |
794 | unsigned char reserved[128]; | |
795 | } value; | |
796 | union { | |
797 | unsigned short d[4]; /* dimensions */ | |
798 | unsigned short *d_ptr; /* indirect */ | |
799 | } dimen; | |
800 | unsigned char reserved[64-4*sizeof(unsigned short)]; | |
801 | }; | |
802 | ||
803 | struct sndrv_ctl_elem_value { | |
804 | struct sndrv_ctl_elem_id id; /* W: element ID */ | |
805 | unsigned int indirect: 1; /* W: use indirect pointer (xxx_ptr member) */ | |
806 | union { | |
807 | union { | |
808 | long value[128]; | |
809 | long *value_ptr; | |
810 | } integer; | |
811 | union { | |
812 | long long value[64]; | |
813 | long long *value_ptr; | |
814 | } integer64; | |
815 | union { | |
816 | unsigned int item[128]; | |
817 | unsigned int *item_ptr; | |
818 | } enumerated; | |
819 | union { | |
820 | unsigned char data[512]; | |
821 | unsigned char *data_ptr; | |
822 | } bytes; | |
823 | struct sndrv_aes_iec958 iec958; | |
824 | } value; /* RO */ | |
825 | struct timespec tstamp; | |
826 | unsigned char reserved[128-sizeof(struct timespec)]; | |
827 | }; | |
828 | ||
829 | enum { | |
830 | SNDRV_CTL_IOCTL_PVERSION = _IOR('U', 0x00, int), | |
831 | SNDRV_CTL_IOCTL_CARD_INFO = _IOR('U', 0x01, struct sndrv_ctl_card_info), | |
832 | SNDRV_CTL_IOCTL_ELEM_LIST = _IOWR('U', 0x10, struct sndrv_ctl_elem_list), | |
833 | SNDRV_CTL_IOCTL_ELEM_INFO = _IOWR('U', 0x11, struct sndrv_ctl_elem_info), | |
834 | SNDRV_CTL_IOCTL_ELEM_READ = _IOWR('U', 0x12, struct sndrv_ctl_elem_value), | |
835 | SNDRV_CTL_IOCTL_ELEM_WRITE = _IOWR('U', 0x13, struct sndrv_ctl_elem_value), | |
836 | SNDRV_CTL_IOCTL_ELEM_LOCK = _IOW('U', 0x14, struct sndrv_ctl_elem_id), | |
837 | SNDRV_CTL_IOCTL_ELEM_UNLOCK = _IOW('U', 0x15, struct sndrv_ctl_elem_id), | |
838 | SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS = _IOWR('U', 0x16, int), | |
839 | SNDRV_CTL_IOCTL_ELEM_ADD = _IOWR('U', 0x17, struct sndrv_ctl_elem_info), | |
840 | SNDRV_CTL_IOCTL_ELEM_REPLACE = _IOWR('U', 0x18, struct sndrv_ctl_elem_info), | |
841 | SNDRV_CTL_IOCTL_ELEM_REMOVE = _IOWR('U', 0x19, struct sndrv_ctl_elem_id), | |
842 | SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE = _IOWR('U', 0x20, int), | |
843 | SNDRV_CTL_IOCTL_HWDEP_INFO = _IOR('U', 0x21, struct sndrv_hwdep_info), | |
844 | SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE = _IOR('U', 0x30, int), | |
845 | SNDRV_CTL_IOCTL_PCM_INFO = _IOWR('U', 0x31, struct sndrv_pcm_info), | |
846 | SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE = _IOW('U', 0x32, int), | |
847 | SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE = _IOWR('U', 0x40, int), | |
848 | SNDRV_CTL_IOCTL_RAWMIDI_INFO = _IOWR('U', 0x41, struct sndrv_rawmidi_info), | |
849 | SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE = _IOW('U', 0x42, int), | |
850 | SNDRV_CTL_IOCTL_POWER = _IOWR('U', 0xd0, int), | |
851 | SNDRV_CTL_IOCTL_POWER_STATE = _IOR('U', 0xd1, int), | |
852 | }; | |
853 | ||
854 | /* | |
855 | * Read interface. | |
856 | */ | |
857 | ||
858 | enum sndrv_ctl_event_type { | |
859 | SNDRV_CTL_EVENT_ELEM = 0, | |
860 | SNDRV_CTL_EVENT_LAST = SNDRV_CTL_EVENT_ELEM, | |
861 | }; | |
862 | ||
863 | #define SNDRV_CTL_EVENT_MASK_VALUE (1<<0) /* element value was changed */ | |
864 | #define SNDRV_CTL_EVENT_MASK_INFO (1<<1) /* element info was changed */ | |
865 | #define SNDRV_CTL_EVENT_MASK_ADD (1<<2) /* element was added */ | |
866 | #define SNDRV_CTL_EVENT_MASK_REMOVE (~0U) /* element was removed */ | |
867 | ||
868 | struct sndrv_ctl_event { | |
869 | enum sndrv_ctl_event_type type; /* event type - SNDRV_CTL_EVENT_* */ | |
870 | union { | |
871 | struct { | |
872 | unsigned int mask; | |
873 | struct sndrv_ctl_elem_id id; | |
874 | } elem; | |
875 | unsigned char data8[60]; | |
876 | } data; | |
877 | }; | |
878 | ||
879 | /* | |
880 | * Control names | |
881 | */ | |
882 | ||
883 | #define SNDRV_CTL_NAME_NONE "" | |
884 | #define SNDRV_CTL_NAME_PLAYBACK "Playback " | |
885 | #define SNDRV_CTL_NAME_CAPTURE "Capture " | |
886 | ||
887 | #define SNDRV_CTL_NAME_IEC958_NONE "" | |
888 | #define SNDRV_CTL_NAME_IEC958_SWITCH "Switch" | |
889 | #define SNDRV_CTL_NAME_IEC958_VOLUME "Volume" | |
890 | #define SNDRV_CTL_NAME_IEC958_DEFAULT "Default" | |
891 | #define SNDRV_CTL_NAME_IEC958_MASK "Mask" | |
892 | #define SNDRV_CTL_NAME_IEC958_CON_MASK "Con Mask" | |
893 | #define SNDRV_CTL_NAME_IEC958_PRO_MASK "Pro Mask" | |
894 | #define SNDRV_CTL_NAME_IEC958_PCM_STREAM "PCM Stream" | |
895 | #define SNDRV_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SNDRV_CTL_NAME_##direction SNDRV_CTL_NAME_IEC958_##what | |
896 | ||
897 | /* | |
898 | * | |
899 | */ | |
900 | ||
901 | struct sndrv_xferv { | |
902 | const struct iovec *vector; | |
903 | unsigned long count; | |
904 | }; | |
905 | ||
906 | enum { | |
907 | SNDRV_IOCTL_READV = _IOW('K', 0x00, struct sndrv_xferv), | |
908 | SNDRV_IOCTL_WRITEV = _IOW('K', 0x01, struct sndrv_xferv), | |
909 | }; | |
910 | ||
911 | #endif /* __SOUND_ASOUND_H */ |