Root/
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 __SOUND_ASOUND_H |
24 | #define __SOUND_ASOUND_H |
25 | |
26 | #include <linux/types.h> |
27 | |
28 | #ifdef __KERNEL__ |
29 | #include <linux/ioctl.h> |
30 | #include <linux/time.h> |
31 | #include <asm/byteorder.h> |
32 | |
33 | #ifdef __LITTLE_ENDIAN |
34 | #define SNDRV_LITTLE_ENDIAN |
35 | #else |
36 | #ifdef __BIG_ENDIAN |
37 | #define SNDRV_BIG_ENDIAN |
38 | #else |
39 | #error "Unsupported endian..." |
40 | #endif |
41 | #endif |
42 | |
43 | #endif /* __KERNEL__ **/ |
44 | |
45 | /* |
46 | * protocol version |
47 | */ |
48 | |
49 | #define SNDRV_PROTOCOL_VERSION(major, minor, subminor) (((major)<<16)|((minor)<<8)|(subminor)) |
50 | #define SNDRV_PROTOCOL_MAJOR(version) (((version)>>16)&0xffff) |
51 | #define SNDRV_PROTOCOL_MINOR(version) (((version)>>8)&0xff) |
52 | #define SNDRV_PROTOCOL_MICRO(version) ((version)&0xff) |
53 | #define SNDRV_PROTOCOL_INCOMPATIBLE(kversion, uversion) \ |
54 | (SNDRV_PROTOCOL_MAJOR(kversion) != SNDRV_PROTOCOL_MAJOR(uversion) || \ |
55 | (SNDRV_PROTOCOL_MAJOR(kversion) == SNDRV_PROTOCOL_MAJOR(uversion) && \ |
56 | SNDRV_PROTOCOL_MINOR(kversion) != SNDRV_PROTOCOL_MINOR(uversion))) |
57 | |
58 | /**************************************************************************** |
59 | * * |
60 | * Digital audio interface * |
61 | * * |
62 | ****************************************************************************/ |
63 | |
64 | struct snd_aes_iec958 { |
65 | unsigned char status[24]; /* AES/IEC958 channel status bits */ |
66 | unsigned char subcode[147]; /* AES/IEC958 subcode bits */ |
67 | unsigned char pad; /* nothing */ |
68 | unsigned char dig_subframe[4]; /* AES/IEC958 subframe bits */ |
69 | }; |
70 | |
71 | /**************************************************************************** |
72 | * * |
73 | * Section for driver hardware dependent interface - /dev/snd/hw? * |
74 | * * |
75 | ****************************************************************************/ |
76 | |
77 | #define SNDRV_HWDEP_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1) |
78 | |
79 | enum { |
80 | SNDRV_HWDEP_IFACE_OPL2 = 0, |
81 | SNDRV_HWDEP_IFACE_OPL3, |
82 | SNDRV_HWDEP_IFACE_OPL4, |
83 | SNDRV_HWDEP_IFACE_SB16CSP, /* Creative Signal Processor */ |
84 | SNDRV_HWDEP_IFACE_EMU10K1, /* FX8010 processor in EMU10K1 chip */ |
85 | SNDRV_HWDEP_IFACE_YSS225, /* Yamaha FX processor */ |
86 | SNDRV_HWDEP_IFACE_ICS2115, /* Wavetable synth */ |
87 | SNDRV_HWDEP_IFACE_SSCAPE, /* Ensoniq SoundScape ISA card (MC68EC000) */ |
88 | SNDRV_HWDEP_IFACE_VX, /* Digigram VX cards */ |
89 | SNDRV_HWDEP_IFACE_MIXART, /* Digigram miXart cards */ |
90 | SNDRV_HWDEP_IFACE_USX2Y, /* Tascam US122, US224 & US428 usb */ |
91 | SNDRV_HWDEP_IFACE_EMUX_WAVETABLE, /* EmuX wavetable */ |
92 | SNDRV_HWDEP_IFACE_BLUETOOTH, /* Bluetooth audio */ |
93 | SNDRV_HWDEP_IFACE_USX2Y_PCM, /* Tascam US122, US224 & US428 rawusb pcm */ |
94 | SNDRV_HWDEP_IFACE_PCXHR, /* Digigram PCXHR */ |
95 | SNDRV_HWDEP_IFACE_SB_RC, /* SB Extigy/Audigy2NX remote control */ |
96 | SNDRV_HWDEP_IFACE_HDA, /* HD-audio */ |
97 | SNDRV_HWDEP_IFACE_USB_STREAM, /* direct access to usb stream */ |
98 | |
99 | /* Don't forget to change the following: */ |
100 | SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_USB_STREAM |
101 | }; |
102 | |
103 | struct snd_hwdep_info { |
104 | unsigned int device; /* WR: device number */ |
105 | int card; /* R: card number */ |
106 | unsigned char id[64]; /* ID (user selectable) */ |
107 | unsigned char name[80]; /* hwdep name */ |
108 | int iface; /* hwdep interface */ |
109 | unsigned char reserved[64]; /* reserved for future */ |
110 | }; |
111 | |
112 | /* generic DSP loader */ |
113 | struct snd_hwdep_dsp_status { |
114 | unsigned int version; /* R: driver-specific version */ |
115 | unsigned char id[32]; /* R: driver-specific ID string */ |
116 | unsigned int num_dsps; /* R: number of DSP images to transfer */ |
117 | unsigned int dsp_loaded; /* R: bit flags indicating the loaded DSPs */ |
118 | unsigned int chip_ready; /* R: 1 = initialization finished */ |
119 | unsigned char reserved[16]; /* reserved for future use */ |
120 | }; |
121 | |
122 | struct snd_hwdep_dsp_image { |
123 | unsigned int index; /* W: DSP index */ |
124 | unsigned char name[64]; /* W: ID (e.g. file name) */ |
125 | unsigned char __user *image; /* W: binary image */ |
126 | size_t length; /* W: size of image in bytes */ |
127 | unsigned long driver_data; /* W: driver-specific data */ |
128 | }; |
129 | |
130 | #define SNDRV_HWDEP_IOCTL_PVERSION _IOR ('H', 0x00, int) |
131 | #define SNDRV_HWDEP_IOCTL_INFO _IOR ('H', 0x01, struct snd_hwdep_info) |
132 | #define SNDRV_HWDEP_IOCTL_DSP_STATUS _IOR('H', 0x02, struct snd_hwdep_dsp_status) |
133 | #define SNDRV_HWDEP_IOCTL_DSP_LOAD _IOW('H', 0x03, struct snd_hwdep_dsp_image) |
134 | |
135 | /***************************************************************************** |
136 | * * |
137 | * Digital Audio (PCM) interface - /dev/snd/pcm?? * |
138 | * * |
139 | *****************************************************************************/ |
140 | |
141 | #define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 10) |
142 | |
143 | typedef unsigned long snd_pcm_uframes_t; |
144 | typedef signed long snd_pcm_sframes_t; |
145 | |
146 | enum { |
147 | SNDRV_PCM_CLASS_GENERIC = 0, /* standard mono or stereo device */ |
148 | SNDRV_PCM_CLASS_MULTI, /* multichannel device */ |
149 | SNDRV_PCM_CLASS_MODEM, /* software modem class */ |
150 | SNDRV_PCM_CLASS_DIGITIZER, /* digitizer class */ |
151 | /* Don't forget to change the following: */ |
152 | SNDRV_PCM_CLASS_LAST = SNDRV_PCM_CLASS_DIGITIZER, |
153 | }; |
154 | |
155 | enum { |
156 | SNDRV_PCM_SUBCLASS_GENERIC_MIX = 0, /* mono or stereo subdevices are mixed together */ |
157 | SNDRV_PCM_SUBCLASS_MULTI_MIX, /* multichannel subdevices are mixed together */ |
158 | /* Don't forget to change the following: */ |
159 | SNDRV_PCM_SUBCLASS_LAST = SNDRV_PCM_SUBCLASS_MULTI_MIX, |
160 | }; |
161 | |
162 | enum { |
163 | SNDRV_PCM_STREAM_PLAYBACK = 0, |
164 | SNDRV_PCM_STREAM_CAPTURE, |
165 | SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE, |
166 | }; |
167 | |
168 | typedef int __bitwise snd_pcm_access_t; |
169 | #define SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ((__force snd_pcm_access_t) 0) /* interleaved mmap */ |
170 | #define SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ((__force snd_pcm_access_t) 1) /* noninterleaved mmap */ |
171 | #define SNDRV_PCM_ACCESS_MMAP_COMPLEX ((__force snd_pcm_access_t) 2) /* complex mmap */ |
172 | #define SNDRV_PCM_ACCESS_RW_INTERLEAVED ((__force snd_pcm_access_t) 3) /* readi/writei */ |
173 | #define SNDRV_PCM_ACCESS_RW_NONINTERLEAVED ((__force snd_pcm_access_t) 4) /* readn/writen */ |
174 | #define SNDRV_PCM_ACCESS_LAST SNDRV_PCM_ACCESS_RW_NONINTERLEAVED |
175 | |
176 | typedef int __bitwise snd_pcm_format_t; |
177 | #define SNDRV_PCM_FORMAT_S8 ((__force snd_pcm_format_t) 0) |
178 | #define SNDRV_PCM_FORMAT_U8 ((__force snd_pcm_format_t) 1) |
179 | #define SNDRV_PCM_FORMAT_S16_LE ((__force snd_pcm_format_t) 2) |
180 | #define SNDRV_PCM_FORMAT_S16_BE ((__force snd_pcm_format_t) 3) |
181 | #define SNDRV_PCM_FORMAT_U16_LE ((__force snd_pcm_format_t) 4) |
182 | #define SNDRV_PCM_FORMAT_U16_BE ((__force snd_pcm_format_t) 5) |
183 | #define SNDRV_PCM_FORMAT_S24_LE ((__force snd_pcm_format_t) 6) /* low three bytes */ |
184 | #define SNDRV_PCM_FORMAT_S24_BE ((__force snd_pcm_format_t) 7) /* low three bytes */ |
185 | #define SNDRV_PCM_FORMAT_U24_LE ((__force snd_pcm_format_t) 8) /* low three bytes */ |
186 | #define SNDRV_PCM_FORMAT_U24_BE ((__force snd_pcm_format_t) 9) /* low three bytes */ |
187 | #define SNDRV_PCM_FORMAT_S32_LE ((__force snd_pcm_format_t) 10) |
188 | #define SNDRV_PCM_FORMAT_S32_BE ((__force snd_pcm_format_t) 11) |
189 | #define SNDRV_PCM_FORMAT_U32_LE ((__force snd_pcm_format_t) 12) |
190 | #define SNDRV_PCM_FORMAT_U32_BE ((__force snd_pcm_format_t) 13) |
191 | #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 */ |
192 | #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 */ |
193 | #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 */ |
194 | #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 */ |
195 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE ((__force snd_pcm_format_t) 18) /* IEC-958 subframe, Little Endian */ |
196 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE ((__force snd_pcm_format_t) 19) /* IEC-958 subframe, Big Endian */ |
197 | #define SNDRV_PCM_FORMAT_MU_LAW ((__force snd_pcm_format_t) 20) |
198 | #define SNDRV_PCM_FORMAT_A_LAW ((__force snd_pcm_format_t) 21) |
199 | #define SNDRV_PCM_FORMAT_IMA_ADPCM ((__force snd_pcm_format_t) 22) |
200 | #define SNDRV_PCM_FORMAT_MPEG ((__force snd_pcm_format_t) 23) |
201 | #define SNDRV_PCM_FORMAT_GSM ((__force snd_pcm_format_t) 24) |
202 | #define SNDRV_PCM_FORMAT_SPECIAL ((__force snd_pcm_format_t) 31) |
203 | #define SNDRV_PCM_FORMAT_S24_3LE ((__force snd_pcm_format_t) 32) /* in three bytes */ |
204 | #define SNDRV_PCM_FORMAT_S24_3BE ((__force snd_pcm_format_t) 33) /* in three bytes */ |
205 | #define SNDRV_PCM_FORMAT_U24_3LE ((__force snd_pcm_format_t) 34) /* in three bytes */ |
206 | #define SNDRV_PCM_FORMAT_U24_3BE ((__force snd_pcm_format_t) 35) /* in three bytes */ |
207 | #define SNDRV_PCM_FORMAT_S20_3LE ((__force snd_pcm_format_t) 36) /* in three bytes */ |
208 | #define SNDRV_PCM_FORMAT_S20_3BE ((__force snd_pcm_format_t) 37) /* in three bytes */ |
209 | #define SNDRV_PCM_FORMAT_U20_3LE ((__force snd_pcm_format_t) 38) /* in three bytes */ |
210 | #define SNDRV_PCM_FORMAT_U20_3BE ((__force snd_pcm_format_t) 39) /* in three bytes */ |
211 | #define SNDRV_PCM_FORMAT_S18_3LE ((__force snd_pcm_format_t) 40) /* in three bytes */ |
212 | #define SNDRV_PCM_FORMAT_S18_3BE ((__force snd_pcm_format_t) 41) /* in three bytes */ |
213 | #define SNDRV_PCM_FORMAT_U18_3LE ((__force snd_pcm_format_t) 42) /* in three bytes */ |
214 | #define SNDRV_PCM_FORMAT_U18_3BE ((__force snd_pcm_format_t) 43) /* in three bytes */ |
215 | #define SNDRV_PCM_FORMAT_LAST SNDRV_PCM_FORMAT_U18_3BE |
216 | |
217 | #ifdef SNDRV_LITTLE_ENDIAN |
218 | #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_LE |
219 | #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_LE |
220 | #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_LE |
221 | #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_LE |
222 | #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_LE |
223 | #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_LE |
224 | #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_LE |
225 | #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_LE |
226 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE |
227 | #endif |
228 | #ifdef SNDRV_BIG_ENDIAN |
229 | #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_BE |
230 | #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_BE |
231 | #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_BE |
232 | #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_BE |
233 | #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_BE |
234 | #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_BE |
235 | #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_BE |
236 | #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_BE |
237 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE |
238 | #endif |
239 | |
240 | typedef int __bitwise snd_pcm_subformat_t; |
241 | #define SNDRV_PCM_SUBFORMAT_STD ((__force snd_pcm_subformat_t) 0) |
242 | #define SNDRV_PCM_SUBFORMAT_LAST SNDRV_PCM_SUBFORMAT_STD |
243 | |
244 | #define SNDRV_PCM_INFO_MMAP 0x00000001 /* hardware supports mmap */ |
245 | #define SNDRV_PCM_INFO_MMAP_VALID 0x00000002 /* period data are valid during transfer */ |
246 | #define SNDRV_PCM_INFO_DOUBLE 0x00000004 /* Double buffering needed for PCM start/stop */ |
247 | #define SNDRV_PCM_INFO_BATCH 0x00000010 /* double buffering */ |
248 | #define SNDRV_PCM_INFO_INTERLEAVED 0x00000100 /* channels are interleaved */ |
249 | #define SNDRV_PCM_INFO_NONINTERLEAVED 0x00000200 /* channels are not interleaved */ |
250 | #define SNDRV_PCM_INFO_COMPLEX 0x00000400 /* complex frame organization (mmap only) */ |
251 | #define SNDRV_PCM_INFO_BLOCK_TRANSFER 0x00010000 /* hardware transfer block of samples */ |
252 | #define SNDRV_PCM_INFO_OVERRANGE 0x00020000 /* hardware supports ADC (capture) overrange detection */ |
253 | #define SNDRV_PCM_INFO_RESUME 0x00040000 /* hardware supports stream resume after suspend */ |
254 | #define SNDRV_PCM_INFO_PAUSE 0x00080000 /* pause ioctl is supported */ |
255 | #define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000 /* only half duplex */ |
256 | #define SNDRV_PCM_INFO_JOINT_DUPLEX 0x00200000 /* playback and capture stream are somewhat correlated */ |
257 | #define SNDRV_PCM_INFO_SYNC_START 0x00400000 /* pcm support some kind of sync go */ |
258 | #define SNDRV_PCM_INFO_FIFO_IN_FRAMES 0x80000000 /* internal kernel flag - FIFO size is in frames */ |
259 | |
260 | typedef int __bitwise snd_pcm_state_t; |
261 | #define SNDRV_PCM_STATE_OPEN ((__force snd_pcm_state_t) 0) /* stream is open */ |
262 | #define SNDRV_PCM_STATE_SETUP ((__force snd_pcm_state_t) 1) /* stream has a setup */ |
263 | #define SNDRV_PCM_STATE_PREPARED ((__force snd_pcm_state_t) 2) /* stream is ready to start */ |
264 | #define SNDRV_PCM_STATE_RUNNING ((__force snd_pcm_state_t) 3) /* stream is running */ |
265 | #define SNDRV_PCM_STATE_XRUN ((__force snd_pcm_state_t) 4) /* stream reached an xrun */ |
266 | #define SNDRV_PCM_STATE_DRAINING ((__force snd_pcm_state_t) 5) /* stream is draining */ |
267 | #define SNDRV_PCM_STATE_PAUSED ((__force snd_pcm_state_t) 6) /* stream is paused */ |
268 | #define SNDRV_PCM_STATE_SUSPENDED ((__force snd_pcm_state_t) 7) /* hardware is suspended */ |
269 | #define SNDRV_PCM_STATE_DISCONNECTED ((__force snd_pcm_state_t) 8) /* hardware is disconnected */ |
270 | #define SNDRV_PCM_STATE_LAST SNDRV_PCM_STATE_DISCONNECTED |
271 | |
272 | enum { |
273 | SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000, |
274 | SNDRV_PCM_MMAP_OFFSET_STATUS = 0x80000000, |
275 | SNDRV_PCM_MMAP_OFFSET_CONTROL = 0x81000000, |
276 | }; |
277 | |
278 | union snd_pcm_sync_id { |
279 | unsigned char id[16]; |
280 | unsigned short id16[8]; |
281 | unsigned int id32[4]; |
282 | }; |
283 | |
284 | struct snd_pcm_info { |
285 | unsigned int device; /* RO/WR (control): device number */ |
286 | unsigned int subdevice; /* RO/WR (control): subdevice number */ |
287 | int stream; /* RO/WR (control): stream direction */ |
288 | int card; /* R: card number */ |
289 | unsigned char id[64]; /* ID (user selectable) */ |
290 | unsigned char name[80]; /* name of this device */ |
291 | unsigned char subname[32]; /* subdevice name */ |
292 | int dev_class; /* SNDRV_PCM_CLASS_* */ |
293 | int dev_subclass; /* SNDRV_PCM_SUBCLASS_* */ |
294 | unsigned int subdevices_count; |
295 | unsigned int subdevices_avail; |
296 | union snd_pcm_sync_id sync; /* hardware synchronization ID */ |
297 | unsigned char reserved[64]; /* reserved for future... */ |
298 | }; |
299 | |
300 | typedef int snd_pcm_hw_param_t; |
301 | #define SNDRV_PCM_HW_PARAM_ACCESS 0 /* Access type */ |
302 | #define SNDRV_PCM_HW_PARAM_FORMAT 1 /* Format */ |
303 | #define SNDRV_PCM_HW_PARAM_SUBFORMAT 2 /* Subformat */ |
304 | #define SNDRV_PCM_HW_PARAM_FIRST_MASK SNDRV_PCM_HW_PARAM_ACCESS |
305 | #define SNDRV_PCM_HW_PARAM_LAST_MASK SNDRV_PCM_HW_PARAM_SUBFORMAT |
306 | |
307 | #define SNDRV_PCM_HW_PARAM_SAMPLE_BITS 8 /* Bits per sample */ |
308 | #define SNDRV_PCM_HW_PARAM_FRAME_BITS 9 /* Bits per frame */ |
309 | #define SNDRV_PCM_HW_PARAM_CHANNELS 10 /* Channels */ |
310 | #define SNDRV_PCM_HW_PARAM_RATE 11 /* Approx rate */ |
311 | #define SNDRV_PCM_HW_PARAM_PERIOD_TIME 12 /* Approx distance between |
312 | * interrupts in us |
313 | */ |
314 | #define SNDRV_PCM_HW_PARAM_PERIOD_SIZE 13 /* Approx frames between |
315 | * interrupts |
316 | */ |
317 | #define SNDRV_PCM_HW_PARAM_PERIOD_BYTES 14 /* Approx bytes between |
318 | * interrupts |
319 | */ |
320 | #define SNDRV_PCM_HW_PARAM_PERIODS 15 /* Approx interrupts per |
321 | * buffer |
322 | */ |
323 | #define SNDRV_PCM_HW_PARAM_BUFFER_TIME 16 /* Approx duration of buffer |
324 | * in us |
325 | */ |
326 | #define SNDRV_PCM_HW_PARAM_BUFFER_SIZE 17 /* Size of buffer in frames */ |
327 | #define SNDRV_PCM_HW_PARAM_BUFFER_BYTES 18 /* Size of buffer in bytes */ |
328 | #define SNDRV_PCM_HW_PARAM_TICK_TIME 19 /* Approx tick duration in us */ |
329 | #define SNDRV_PCM_HW_PARAM_FIRST_INTERVAL SNDRV_PCM_HW_PARAM_SAMPLE_BITS |
330 | #define SNDRV_PCM_HW_PARAM_LAST_INTERVAL SNDRV_PCM_HW_PARAM_TICK_TIME |
331 | |
332 | #define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1<<0) /* avoid rate resampling */ |
333 | |
334 | struct snd_interval { |
335 | unsigned int min, max; |
336 | unsigned int openmin:1, |
337 | openmax:1, |
338 | integer:1, |
339 | empty:1; |
340 | }; |
341 | |
342 | #define SNDRV_MASK_MAX 256 |
343 | |
344 | struct snd_mask { |
345 | __u32 bits[(SNDRV_MASK_MAX+31)/32]; |
346 | }; |
347 | |
348 | struct snd_pcm_hw_params { |
349 | unsigned int flags; |
350 | struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - |
351 | SNDRV_PCM_HW_PARAM_FIRST_MASK + 1]; |
352 | struct snd_mask mres[5]; /* reserved masks */ |
353 | struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL - |
354 | SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1]; |
355 | struct snd_interval ires[9]; /* reserved intervals */ |
356 | unsigned int rmask; /* W: requested masks */ |
357 | unsigned int cmask; /* R: changed masks */ |
358 | unsigned int info; /* R: Info flags for returned setup */ |
359 | unsigned int msbits; /* R: used most significant bits */ |
360 | unsigned int rate_num; /* R: rate numerator */ |
361 | unsigned int rate_den; /* R: rate denominator */ |
362 | snd_pcm_uframes_t fifo_size; /* R: chip FIFO size in frames */ |
363 | unsigned char reserved[64]; /* reserved for future */ |
364 | }; |
365 | |
366 | enum { |
367 | SNDRV_PCM_TSTAMP_NONE = 0, |
368 | SNDRV_PCM_TSTAMP_ENABLE, |
369 | SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_ENABLE, |
370 | }; |
371 | |
372 | struct snd_pcm_sw_params { |
373 | int tstamp_mode; /* timestamp mode */ |
374 | unsigned int period_step; |
375 | unsigned int sleep_min; /* min ticks to sleep */ |
376 | snd_pcm_uframes_t avail_min; /* min avail frames for wakeup */ |
377 | snd_pcm_uframes_t xfer_align; /* obsolete: xfer size need to be a multiple */ |
378 | snd_pcm_uframes_t start_threshold; /* min hw_avail frames for automatic start */ |
379 | snd_pcm_uframes_t stop_threshold; /* min avail frames for automatic stop */ |
380 | snd_pcm_uframes_t silence_threshold; /* min distance from noise for silence filling */ |
381 | snd_pcm_uframes_t silence_size; /* silence block size */ |
382 | snd_pcm_uframes_t boundary; /* pointers wrap point */ |
383 | unsigned char reserved[64]; /* reserved for future */ |
384 | }; |
385 | |
386 | struct snd_pcm_channel_info { |
387 | unsigned int channel; |
388 | __kernel_off_t offset; /* mmap offset */ |
389 | unsigned int first; /* offset to first sample in bits */ |
390 | unsigned int step; /* samples distance in bits */ |
391 | }; |
392 | |
393 | struct snd_pcm_status { |
394 | snd_pcm_state_t state; /* stream state */ |
395 | struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */ |
396 | struct timespec tstamp; /* reference timestamp */ |
397 | snd_pcm_uframes_t appl_ptr; /* appl ptr */ |
398 | snd_pcm_uframes_t hw_ptr; /* hw ptr */ |
399 | snd_pcm_sframes_t delay; /* current delay in frames */ |
400 | snd_pcm_uframes_t avail; /* number of frames available */ |
401 | snd_pcm_uframes_t avail_max; /* max frames available on hw since last status */ |
402 | snd_pcm_uframes_t overrange; /* count of ADC (capture) overrange detections from last status */ |
403 | snd_pcm_state_t suspended_state; /* suspended stream state */ |
404 | unsigned char reserved[60]; /* must be filled with zero */ |
405 | }; |
406 | |
407 | struct snd_pcm_mmap_status { |
408 | snd_pcm_state_t state; /* RO: state - SNDRV_PCM_STATE_XXXX */ |
409 | int pad1; /* Needed for 64 bit alignment */ |
410 | snd_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */ |
411 | struct timespec tstamp; /* Timestamp */ |
412 | snd_pcm_state_t suspended_state; /* RO: suspended stream state */ |
413 | }; |
414 | |
415 | struct snd_pcm_mmap_control { |
416 | snd_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */ |
417 | snd_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */ |
418 | }; |
419 | |
420 | #define SNDRV_PCM_SYNC_PTR_HWSYNC (1<<0) /* execute hwsync */ |
421 | #define SNDRV_PCM_SYNC_PTR_APPL (1<<1) /* get appl_ptr from driver (r/w op) */ |
422 | #define SNDRV_PCM_SYNC_PTR_AVAIL_MIN (1<<2) /* get avail_min from driver */ |
423 | |
424 | struct snd_pcm_sync_ptr { |
425 | unsigned int flags; |
426 | union { |
427 | struct snd_pcm_mmap_status status; |
428 | unsigned char reserved[64]; |
429 | } s; |
430 | union { |
431 | struct snd_pcm_mmap_control control; |
432 | unsigned char reserved[64]; |
433 | } c; |
434 | }; |
435 | |
436 | struct snd_xferi { |
437 | snd_pcm_sframes_t result; |
438 | void __user *buf; |
439 | snd_pcm_uframes_t frames; |
440 | }; |
441 | |
442 | struct snd_xfern { |
443 | snd_pcm_sframes_t result; |
444 | void __user * __user *bufs; |
445 | snd_pcm_uframes_t frames; |
446 | }; |
447 | |
448 | enum { |
449 | SNDRV_PCM_TSTAMP_TYPE_GETTIMEOFDAY = 0, /* gettimeofday equivalent */ |
450 | SNDRV_PCM_TSTAMP_TYPE_MONOTONIC, /* posix_clock_monotonic equivalent */ |
451 | SNDRV_PCM_TSTAMP_TYPE_LAST = SNDRV_PCM_TSTAMP_TYPE_MONOTONIC, |
452 | }; |
453 | |
454 | #define SNDRV_PCM_IOCTL_PVERSION _IOR('A', 0x00, int) |
455 | #define SNDRV_PCM_IOCTL_INFO _IOR('A', 0x01, struct snd_pcm_info) |
456 | #define SNDRV_PCM_IOCTL_TSTAMP _IOW('A', 0x02, int) |
457 | #define SNDRV_PCM_IOCTL_TTSTAMP _IOW('A', 0x03, int) |
458 | #define SNDRV_PCM_IOCTL_HW_REFINE _IOWR('A', 0x10, struct snd_pcm_hw_params) |
459 | #define SNDRV_PCM_IOCTL_HW_PARAMS _IOWR('A', 0x11, struct snd_pcm_hw_params) |
460 | #define SNDRV_PCM_IOCTL_HW_FREE _IO('A', 0x12) |
461 | #define SNDRV_PCM_IOCTL_SW_PARAMS _IOWR('A', 0x13, struct snd_pcm_sw_params) |
462 | #define SNDRV_PCM_IOCTL_STATUS _IOR('A', 0x20, struct snd_pcm_status) |
463 | #define SNDRV_PCM_IOCTL_DELAY _IOR('A', 0x21, snd_pcm_sframes_t) |
464 | #define SNDRV_PCM_IOCTL_HWSYNC _IO('A', 0x22) |
465 | #define SNDRV_PCM_IOCTL_SYNC_PTR _IOWR('A', 0x23, struct snd_pcm_sync_ptr) |
466 | #define SNDRV_PCM_IOCTL_CHANNEL_INFO _IOR('A', 0x32, struct snd_pcm_channel_info) |
467 | #define SNDRV_PCM_IOCTL_PREPARE _IO('A', 0x40) |
468 | #define SNDRV_PCM_IOCTL_RESET _IO('A', 0x41) |
469 | #define SNDRV_PCM_IOCTL_START _IO('A', 0x42) |
470 | #define SNDRV_PCM_IOCTL_DROP _IO('A', 0x43) |
471 | #define SNDRV_PCM_IOCTL_DRAIN _IO('A', 0x44) |
472 | #define SNDRV_PCM_IOCTL_PAUSE _IOW('A', 0x45, int) |
473 | #define SNDRV_PCM_IOCTL_REWIND _IOW('A', 0x46, snd_pcm_uframes_t) |
474 | #define SNDRV_PCM_IOCTL_RESUME _IO('A', 0x47) |
475 | #define SNDRV_PCM_IOCTL_XRUN _IO('A', 0x48) |
476 | #define SNDRV_PCM_IOCTL_FORWARD _IOW('A', 0x49, snd_pcm_uframes_t) |
477 | #define SNDRV_PCM_IOCTL_WRITEI_FRAMES _IOW('A', 0x50, struct snd_xferi) |
478 | #define SNDRV_PCM_IOCTL_READI_FRAMES _IOR('A', 0x51, struct snd_xferi) |
479 | #define SNDRV_PCM_IOCTL_WRITEN_FRAMES _IOW('A', 0x52, struct snd_xfern) |
480 | #define SNDRV_PCM_IOCTL_READN_FRAMES _IOR('A', 0x53, struct snd_xfern) |
481 | #define SNDRV_PCM_IOCTL_LINK _IOW('A', 0x60, int) |
482 | #define SNDRV_PCM_IOCTL_UNLINK _IO('A', 0x61) |
483 | |
484 | /***************************************************************************** |
485 | * * |
486 | * MIDI v1.0 interface * |
487 | * * |
488 | *****************************************************************************/ |
489 | |
490 | /* |
491 | * Raw MIDI section - /dev/snd/midi?? |
492 | */ |
493 | |
494 | #define SNDRV_RAWMIDI_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 0) |
495 | |
496 | enum { |
497 | SNDRV_RAWMIDI_STREAM_OUTPUT = 0, |
498 | SNDRV_RAWMIDI_STREAM_INPUT, |
499 | SNDRV_RAWMIDI_STREAM_LAST = SNDRV_RAWMIDI_STREAM_INPUT, |
500 | }; |
501 | |
502 | #define SNDRV_RAWMIDI_INFO_OUTPUT 0x00000001 |
503 | #define SNDRV_RAWMIDI_INFO_INPUT 0x00000002 |
504 | #define SNDRV_RAWMIDI_INFO_DUPLEX 0x00000004 |
505 | |
506 | struct snd_rawmidi_info { |
507 | unsigned int device; /* RO/WR (control): device number */ |
508 | unsigned int subdevice; /* RO/WR (control): subdevice number */ |
509 | int stream; /* WR: stream */ |
510 | int card; /* R: card number */ |
511 | unsigned int flags; /* SNDRV_RAWMIDI_INFO_XXXX */ |
512 | unsigned char id[64]; /* ID (user selectable) */ |
513 | unsigned char name[80]; /* name of device */ |
514 | unsigned char subname[32]; /* name of active or selected subdevice */ |
515 | unsigned int subdevices_count; |
516 | unsigned int subdevices_avail; |
517 | unsigned char reserved[64]; /* reserved for future use */ |
518 | }; |
519 | |
520 | struct snd_rawmidi_params { |
521 | int stream; |
522 | size_t buffer_size; /* queue size in bytes */ |
523 | size_t avail_min; /* minimum avail bytes for wakeup */ |
524 | unsigned int no_active_sensing: 1; /* do not send active sensing byte in close() */ |
525 | unsigned char reserved[16]; /* reserved for future use */ |
526 | }; |
527 | |
528 | struct snd_rawmidi_status { |
529 | int stream; |
530 | struct timespec tstamp; /* Timestamp */ |
531 | size_t avail; /* available bytes */ |
532 | size_t xruns; /* count of overruns since last status (in bytes) */ |
533 | unsigned char reserved[16]; /* reserved for future use */ |
534 | }; |
535 | |
536 | #define SNDRV_RAWMIDI_IOCTL_PVERSION _IOR('W', 0x00, int) |
537 | #define SNDRV_RAWMIDI_IOCTL_INFO _IOR('W', 0x01, struct snd_rawmidi_info) |
538 | #define SNDRV_RAWMIDI_IOCTL_PARAMS _IOWR('W', 0x10, struct snd_rawmidi_params) |
539 | #define SNDRV_RAWMIDI_IOCTL_STATUS _IOWR('W', 0x20, struct snd_rawmidi_status) |
540 | #define SNDRV_RAWMIDI_IOCTL_DROP _IOW('W', 0x30, int) |
541 | #define SNDRV_RAWMIDI_IOCTL_DRAIN _IOW('W', 0x31, int) |
542 | |
543 | /* |
544 | * Timer section - /dev/snd/timer |
545 | */ |
546 | |
547 | #define SNDRV_TIMER_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 5) |
548 | |
549 | enum { |
550 | SNDRV_TIMER_CLASS_NONE = -1, |
551 | SNDRV_TIMER_CLASS_SLAVE = 0, |
552 | SNDRV_TIMER_CLASS_GLOBAL, |
553 | SNDRV_TIMER_CLASS_CARD, |
554 | SNDRV_TIMER_CLASS_PCM, |
555 | SNDRV_TIMER_CLASS_LAST = SNDRV_TIMER_CLASS_PCM, |
556 | }; |
557 | |
558 | /* slave timer classes */ |
559 | enum { |
560 | SNDRV_TIMER_SCLASS_NONE = 0, |
561 | SNDRV_TIMER_SCLASS_APPLICATION, |
562 | SNDRV_TIMER_SCLASS_SEQUENCER, /* alias */ |
563 | SNDRV_TIMER_SCLASS_OSS_SEQUENCER, /* alias */ |
564 | SNDRV_TIMER_SCLASS_LAST = SNDRV_TIMER_SCLASS_OSS_SEQUENCER, |
565 | }; |
566 | |
567 | /* global timers (device member) */ |
568 | #define SNDRV_TIMER_GLOBAL_SYSTEM 0 |
569 | #define SNDRV_TIMER_GLOBAL_RTC 1 |
570 | #define SNDRV_TIMER_GLOBAL_HPET 2 |
571 | #define SNDRV_TIMER_GLOBAL_HRTIMER 3 |
572 | |
573 | /* info flags */ |
574 | #define SNDRV_TIMER_FLG_SLAVE (1<<0) /* cannot be controlled */ |
575 | |
576 | struct snd_timer_id { |
577 | int dev_class; |
578 | int dev_sclass; |
579 | int card; |
580 | int device; |
581 | int subdevice; |
582 | }; |
583 | |
584 | struct snd_timer_ginfo { |
585 | struct snd_timer_id tid; /* requested timer ID */ |
586 | unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ |
587 | int card; /* card number */ |
588 | unsigned char id[64]; /* timer identification */ |
589 | unsigned char name[80]; /* timer name */ |
590 | unsigned long reserved0; /* reserved for future use */ |
591 | unsigned long resolution; /* average period resolution in ns */ |
592 | unsigned long resolution_min; /* minimal period resolution in ns */ |
593 | unsigned long resolution_max; /* maximal period resolution in ns */ |
594 | unsigned int clients; /* active timer clients */ |
595 | unsigned char reserved[32]; |
596 | }; |
597 | |
598 | struct snd_timer_gparams { |
599 | struct snd_timer_id tid; /* requested timer ID */ |
600 | unsigned long period_num; /* requested precise period duration (in seconds) - numerator */ |
601 | unsigned long period_den; /* requested precise period duration (in seconds) - denominator */ |
602 | unsigned char reserved[32]; |
603 | }; |
604 | |
605 | struct snd_timer_gstatus { |
606 | struct snd_timer_id tid; /* requested timer ID */ |
607 | unsigned long resolution; /* current period resolution in ns */ |
608 | unsigned long resolution_num; /* precise current period resolution (in seconds) - numerator */ |
609 | unsigned long resolution_den; /* precise current period resolution (in seconds) - denominator */ |
610 | unsigned char reserved[32]; |
611 | }; |
612 | |
613 | struct snd_timer_select { |
614 | struct snd_timer_id id; /* bind to timer ID */ |
615 | unsigned char reserved[32]; /* reserved */ |
616 | }; |
617 | |
618 | struct snd_timer_info { |
619 | unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ |
620 | int card; /* card number */ |
621 | unsigned char id[64]; /* timer identificator */ |
622 | unsigned char name[80]; /* timer name */ |
623 | unsigned long reserved0; /* reserved for future use */ |
624 | unsigned long resolution; /* average period resolution in ns */ |
625 | unsigned char reserved[64]; /* reserved */ |
626 | }; |
627 | |
628 | #define SNDRV_TIMER_PSFLG_AUTO (1<<0) /* auto start, otherwise one-shot */ |
629 | #define SNDRV_TIMER_PSFLG_EXCLUSIVE (1<<1) /* exclusive use, precise start/stop/pause/continue */ |
630 | #define SNDRV_TIMER_PSFLG_EARLY_EVENT (1<<2) /* write early event to the poll queue */ |
631 | |
632 | struct snd_timer_params { |
633 | unsigned int flags; /* flags - SNDRV_MIXER_PSFLG_* */ |
634 | unsigned int ticks; /* requested resolution in ticks */ |
635 | unsigned int queue_size; /* total size of queue (32-1024) */ |
636 | unsigned int reserved0; /* reserved, was: failure locations */ |
637 | unsigned int filter; /* event filter (bitmask of SNDRV_TIMER_EVENT_*) */ |
638 | unsigned char reserved[60]; /* reserved */ |
639 | }; |
640 | |
641 | struct snd_timer_status { |
642 | struct timespec tstamp; /* Timestamp - last update */ |
643 | unsigned int resolution; /* current period resolution in ns */ |
644 | unsigned int lost; /* counter of master tick lost */ |
645 | unsigned int overrun; /* count of read queue overruns */ |
646 | unsigned int queue; /* used queue size */ |
647 | unsigned char reserved[64]; /* reserved */ |
648 | }; |
649 | |
650 | #define SNDRV_TIMER_IOCTL_PVERSION _IOR('T', 0x00, int) |
651 | #define SNDRV_TIMER_IOCTL_NEXT_DEVICE _IOWR('T', 0x01, struct snd_timer_id) |
652 | #define SNDRV_TIMER_IOCTL_TREAD _IOW('T', 0x02, int) |
653 | #define SNDRV_TIMER_IOCTL_GINFO _IOWR('T', 0x03, struct snd_timer_ginfo) |
654 | #define SNDRV_TIMER_IOCTL_GPARAMS _IOW('T', 0x04, struct snd_timer_gparams) |
655 | #define SNDRV_TIMER_IOCTL_GSTATUS _IOWR('T', 0x05, struct snd_timer_gstatus) |
656 | #define SNDRV_TIMER_IOCTL_SELECT _IOW('T', 0x10, struct snd_timer_select) |
657 | #define SNDRV_TIMER_IOCTL_INFO _IOR('T', 0x11, struct snd_timer_info) |
658 | #define SNDRV_TIMER_IOCTL_PARAMS _IOW('T', 0x12, struct snd_timer_params) |
659 | #define SNDRV_TIMER_IOCTL_STATUS _IOR('T', 0x14, struct snd_timer_status) |
660 | /* The following four ioctls are changed since 1.0.9 due to confliction */ |
661 | #define SNDRV_TIMER_IOCTL_START _IO('T', 0xa0) |
662 | #define SNDRV_TIMER_IOCTL_STOP _IO('T', 0xa1) |
663 | #define SNDRV_TIMER_IOCTL_CONTINUE _IO('T', 0xa2) |
664 | #define SNDRV_TIMER_IOCTL_PAUSE _IO('T', 0xa3) |
665 | |
666 | struct snd_timer_read { |
667 | unsigned int resolution; |
668 | unsigned int ticks; |
669 | }; |
670 | |
671 | enum { |
672 | SNDRV_TIMER_EVENT_RESOLUTION = 0, /* val = resolution in ns */ |
673 | SNDRV_TIMER_EVENT_TICK, /* val = ticks */ |
674 | SNDRV_TIMER_EVENT_START, /* val = resolution in ns */ |
675 | SNDRV_TIMER_EVENT_STOP, /* val = 0 */ |
676 | SNDRV_TIMER_EVENT_CONTINUE, /* val = resolution in ns */ |
677 | SNDRV_TIMER_EVENT_PAUSE, /* val = 0 */ |
678 | SNDRV_TIMER_EVENT_EARLY, /* val = 0, early event */ |
679 | SNDRV_TIMER_EVENT_SUSPEND, /* val = 0 */ |
680 | SNDRV_TIMER_EVENT_RESUME, /* val = resolution in ns */ |
681 | /* master timer events for slave timer instances */ |
682 | SNDRV_TIMER_EVENT_MSTART = SNDRV_TIMER_EVENT_START + 10, |
683 | SNDRV_TIMER_EVENT_MSTOP = SNDRV_TIMER_EVENT_STOP + 10, |
684 | SNDRV_TIMER_EVENT_MCONTINUE = SNDRV_TIMER_EVENT_CONTINUE + 10, |
685 | SNDRV_TIMER_EVENT_MPAUSE = SNDRV_TIMER_EVENT_PAUSE + 10, |
686 | SNDRV_TIMER_EVENT_MSUSPEND = SNDRV_TIMER_EVENT_SUSPEND + 10, |
687 | SNDRV_TIMER_EVENT_MRESUME = SNDRV_TIMER_EVENT_RESUME + 10, |
688 | }; |
689 | |
690 | struct snd_timer_tread { |
691 | int event; |
692 | struct timespec tstamp; |
693 | unsigned int val; |
694 | }; |
695 | |
696 | /**************************************************************************** |
697 | * * |
698 | * Section for driver control interface - /dev/snd/control? * |
699 | * * |
700 | ****************************************************************************/ |
701 | |
702 | #define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 6) |
703 | |
704 | struct snd_ctl_card_info { |
705 | int card; /* card number */ |
706 | int pad; /* reserved for future (was type) */ |
707 | unsigned char id[16]; /* ID of card (user selectable) */ |
708 | unsigned char driver[16]; /* Driver name */ |
709 | unsigned char name[32]; /* Short name of soundcard */ |
710 | unsigned char longname[80]; /* name + info text about soundcard */ |
711 | unsigned char reserved_[16]; /* reserved for future (was ID of mixer) */ |
712 | unsigned char mixername[80]; /* visual mixer identification */ |
713 | unsigned char components[128]; /* card components / fine identification, delimited with one space (AC97 etc..) */ |
714 | }; |
715 | |
716 | typedef int __bitwise snd_ctl_elem_type_t; |
717 | #define SNDRV_CTL_ELEM_TYPE_NONE ((__force snd_ctl_elem_type_t) 0) /* invalid */ |
718 | #define SNDRV_CTL_ELEM_TYPE_BOOLEAN ((__force snd_ctl_elem_type_t) 1) /* boolean type */ |
719 | #define SNDRV_CTL_ELEM_TYPE_INTEGER ((__force snd_ctl_elem_type_t) 2) /* integer type */ |
720 | #define SNDRV_CTL_ELEM_TYPE_ENUMERATED ((__force snd_ctl_elem_type_t) 3) /* enumerated type */ |
721 | #define SNDRV_CTL_ELEM_TYPE_BYTES ((__force snd_ctl_elem_type_t) 4) /* byte array */ |
722 | #define SNDRV_CTL_ELEM_TYPE_IEC958 ((__force snd_ctl_elem_type_t) 5) /* IEC958 (S/PDIF) setup */ |
723 | #define SNDRV_CTL_ELEM_TYPE_INTEGER64 ((__force snd_ctl_elem_type_t) 6) /* 64-bit integer type */ |
724 | #define SNDRV_CTL_ELEM_TYPE_LAST SNDRV_CTL_ELEM_TYPE_INTEGER64 |
725 | |
726 | typedef int __bitwise snd_ctl_elem_iface_t; |
727 | #define SNDRV_CTL_ELEM_IFACE_CARD ((__force snd_ctl_elem_iface_t) 0) /* global control */ |
728 | #define SNDRV_CTL_ELEM_IFACE_HWDEP ((__force snd_ctl_elem_iface_t) 1) /* hardware dependent device */ |
729 | #define SNDRV_CTL_ELEM_IFACE_MIXER ((__force snd_ctl_elem_iface_t) 2) /* virtual mixer device */ |
730 | #define SNDRV_CTL_ELEM_IFACE_PCM ((__force snd_ctl_elem_iface_t) 3) /* PCM device */ |
731 | #define SNDRV_CTL_ELEM_IFACE_RAWMIDI ((__force snd_ctl_elem_iface_t) 4) /* RawMidi device */ |
732 | #define SNDRV_CTL_ELEM_IFACE_TIMER ((__force snd_ctl_elem_iface_t) 5) /* timer device */ |
733 | #define SNDRV_CTL_ELEM_IFACE_SEQUENCER ((__force snd_ctl_elem_iface_t) 6) /* sequencer client */ |
734 | #define SNDRV_CTL_ELEM_IFACE_LAST SNDRV_CTL_ELEM_IFACE_SEQUENCER |
735 | |
736 | #define SNDRV_CTL_ELEM_ACCESS_READ (1<<0) |
737 | #define SNDRV_CTL_ELEM_ACCESS_WRITE (1<<1) |
738 | #define SNDRV_CTL_ELEM_ACCESS_READWRITE (SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE) |
739 | #define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1<<2) /* control value may be changed without a notification */ |
740 | #define SNDRV_CTL_ELEM_ACCESS_TIMESTAMP (1<<3) /* when was control changed */ |
741 | #define SNDRV_CTL_ELEM_ACCESS_TLV_READ (1<<4) /* TLV read is possible */ |
742 | #define SNDRV_CTL_ELEM_ACCESS_TLV_WRITE (1<<5) /* TLV write is possible */ |
743 | #define SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE (SNDRV_CTL_ELEM_ACCESS_TLV_READ|SNDRV_CTL_ELEM_ACCESS_TLV_WRITE) |
744 | #define SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND (1<<6) /* TLV command is possible */ |
745 | #define SNDRV_CTL_ELEM_ACCESS_INACTIVE (1<<8) /* control does actually nothing, but may be updated */ |
746 | #define SNDRV_CTL_ELEM_ACCESS_LOCK (1<<9) /* write lock */ |
747 | #define SNDRV_CTL_ELEM_ACCESS_OWNER (1<<10) /* write lock owner */ |
748 | #define SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK (1<<28) /* kernel use a TLV callback */ |
749 | #define SNDRV_CTL_ELEM_ACCESS_USER (1<<29) /* user space element */ |
750 | /* bits 30 and 31 are obsoleted (for indirect access) */ |
751 | |
752 | /* for further details see the ACPI and PCI power management specification */ |
753 | #define SNDRV_CTL_POWER_D0 0x0000 /* full On */ |
754 | #define SNDRV_CTL_POWER_D1 0x0100 /* partial On */ |
755 | #define SNDRV_CTL_POWER_D2 0x0200 /* partial On */ |
756 | #define SNDRV_CTL_POWER_D3 0x0300 /* Off */ |
757 | #define SNDRV_CTL_POWER_D3hot (SNDRV_CTL_POWER_D3|0x0000) /* Off, with power */ |
758 | #define SNDRV_CTL_POWER_D3cold (SNDRV_CTL_POWER_D3|0x0001) /* Off, without power */ |
759 | |
760 | struct snd_ctl_elem_id { |
761 | unsigned int numid; /* numeric identifier, zero = invalid */ |
762 | snd_ctl_elem_iface_t iface; /* interface identifier */ |
763 | unsigned int device; /* device/client number */ |
764 | unsigned int subdevice; /* subdevice (substream) number */ |
765 | unsigned char name[44]; /* ASCII name of item */ |
766 | unsigned int index; /* index of item */ |
767 | }; |
768 | |
769 | struct snd_ctl_elem_list { |
770 | unsigned int offset; /* W: first element ID to get */ |
771 | unsigned int space; /* W: count of element IDs to get */ |
772 | unsigned int used; /* R: count of element IDs set */ |
773 | unsigned int count; /* R: count of all elements */ |
774 | struct snd_ctl_elem_id __user *pids; /* R: IDs */ |
775 | unsigned char reserved[50]; |
776 | }; |
777 | |
778 | struct snd_ctl_elem_info { |
779 | struct snd_ctl_elem_id id; /* W: element ID */ |
780 | snd_ctl_elem_type_t type; /* R: value type - SNDRV_CTL_ELEM_TYPE_* */ |
781 | unsigned int access; /* R: value access (bitmask) - SNDRV_CTL_ELEM_ACCESS_* */ |
782 | unsigned int count; /* count of values */ |
783 | __kernel_pid_t owner; /* owner's PID of this control */ |
784 | union { |
785 | struct { |
786 | long min; /* R: minimum value */ |
787 | long max; /* R: maximum value */ |
788 | long step; /* R: step (0 variable) */ |
789 | } integer; |
790 | struct { |
791 | long long min; /* R: minimum value */ |
792 | long long max; /* R: maximum value */ |
793 | long long step; /* R: step (0 variable) */ |
794 | } integer64; |
795 | struct { |
796 | unsigned int items; /* R: number of items */ |
797 | unsigned int item; /* W: item number */ |
798 | char name[64]; /* R: value name */ |
799 | } enumerated; |
800 | unsigned char reserved[128]; |
801 | } value; |
802 | union { |
803 | unsigned short d[4]; /* dimensions */ |
804 | unsigned short *d_ptr; /* indirect - obsoleted */ |
805 | } dimen; |
806 | unsigned char reserved[64-4*sizeof(unsigned short)]; |
807 | }; |
808 | |
809 | struct snd_ctl_elem_value { |
810 | struct snd_ctl_elem_id id; /* W: element ID */ |
811 | unsigned int indirect: 1; /* W: indirect access - obsoleted */ |
812 | union { |
813 | union { |
814 | long value[128]; |
815 | long *value_ptr; /* obsoleted */ |
816 | } integer; |
817 | union { |
818 | long long value[64]; |
819 | long long *value_ptr; /* obsoleted */ |
820 | } integer64; |
821 | union { |
822 | unsigned int item[128]; |
823 | unsigned int *item_ptr; /* obsoleted */ |
824 | } enumerated; |
825 | union { |
826 | unsigned char data[512]; |
827 | unsigned char *data_ptr; /* obsoleted */ |
828 | } bytes; |
829 | struct snd_aes_iec958 iec958; |
830 | } value; /* RO */ |
831 | struct timespec tstamp; |
832 | unsigned char reserved[128-sizeof(struct timespec)]; |
833 | }; |
834 | |
835 | struct snd_ctl_tlv { |
836 | unsigned int numid; /* control element numeric identification */ |
837 | unsigned int length; /* in bytes aligned to 4 */ |
838 | unsigned int tlv[0]; /* first TLV */ |
839 | }; |
840 | |
841 | #define SNDRV_CTL_IOCTL_PVERSION _IOR('U', 0x00, int) |
842 | #define SNDRV_CTL_IOCTL_CARD_INFO _IOR('U', 0x01, struct snd_ctl_card_info) |
843 | #define SNDRV_CTL_IOCTL_ELEM_LIST _IOWR('U', 0x10, struct snd_ctl_elem_list) |
844 | #define SNDRV_CTL_IOCTL_ELEM_INFO _IOWR('U', 0x11, struct snd_ctl_elem_info) |
845 | #define SNDRV_CTL_IOCTL_ELEM_READ _IOWR('U', 0x12, struct snd_ctl_elem_value) |
846 | #define SNDRV_CTL_IOCTL_ELEM_WRITE _IOWR('U', 0x13, struct snd_ctl_elem_value) |
847 | #define SNDRV_CTL_IOCTL_ELEM_LOCK _IOW('U', 0x14, struct snd_ctl_elem_id) |
848 | #define SNDRV_CTL_IOCTL_ELEM_UNLOCK _IOW('U', 0x15, struct snd_ctl_elem_id) |
849 | #define SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS _IOWR('U', 0x16, int) |
850 | #define SNDRV_CTL_IOCTL_ELEM_ADD _IOWR('U', 0x17, struct snd_ctl_elem_info) |
851 | #define SNDRV_CTL_IOCTL_ELEM_REPLACE _IOWR('U', 0x18, struct snd_ctl_elem_info) |
852 | #define SNDRV_CTL_IOCTL_ELEM_REMOVE _IOWR('U', 0x19, struct snd_ctl_elem_id) |
853 | #define SNDRV_CTL_IOCTL_TLV_READ _IOWR('U', 0x1a, struct snd_ctl_tlv) |
854 | #define SNDRV_CTL_IOCTL_TLV_WRITE _IOWR('U', 0x1b, struct snd_ctl_tlv) |
855 | #define SNDRV_CTL_IOCTL_TLV_COMMAND _IOWR('U', 0x1c, struct snd_ctl_tlv) |
856 | #define SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE _IOWR('U', 0x20, int) |
857 | #define SNDRV_CTL_IOCTL_HWDEP_INFO _IOR('U', 0x21, struct snd_hwdep_info) |
858 | #define SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE _IOR('U', 0x30, int) |
859 | #define SNDRV_CTL_IOCTL_PCM_INFO _IOWR('U', 0x31, struct snd_pcm_info) |
860 | #define SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE _IOW('U', 0x32, int) |
861 | #define SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE _IOWR('U', 0x40, int) |
862 | #define SNDRV_CTL_IOCTL_RAWMIDI_INFO _IOWR('U', 0x41, struct snd_rawmidi_info) |
863 | #define SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE _IOW('U', 0x42, int) |
864 | #define SNDRV_CTL_IOCTL_POWER _IOWR('U', 0xd0, int) |
865 | #define SNDRV_CTL_IOCTL_POWER_STATE _IOR('U', 0xd1, int) |
866 | |
867 | /* |
868 | * Read interface. |
869 | */ |
870 | |
871 | enum sndrv_ctl_event_type { |
872 | SNDRV_CTL_EVENT_ELEM = 0, |
873 | SNDRV_CTL_EVENT_LAST = SNDRV_CTL_EVENT_ELEM, |
874 | }; |
875 | |
876 | #define SNDRV_CTL_EVENT_MASK_VALUE (1<<0) /* element value was changed */ |
877 | #define SNDRV_CTL_EVENT_MASK_INFO (1<<1) /* element info was changed */ |
878 | #define SNDRV_CTL_EVENT_MASK_ADD (1<<2) /* element was added */ |
879 | #define SNDRV_CTL_EVENT_MASK_TLV (1<<3) /* element TLV tree was changed */ |
880 | #define SNDRV_CTL_EVENT_MASK_REMOVE (~0U) /* element was removed */ |
881 | |
882 | struct snd_ctl_event { |
883 | int type; /* event type - SNDRV_CTL_EVENT_* */ |
884 | union { |
885 | struct { |
886 | unsigned int mask; |
887 | struct snd_ctl_elem_id id; |
888 | } elem; |
889 | unsigned char data8[60]; |
890 | } data; |
891 | }; |
892 | |
893 | /* |
894 | * Control names |
895 | */ |
896 | |
897 | #define SNDRV_CTL_NAME_NONE "" |
898 | #define SNDRV_CTL_NAME_PLAYBACK "Playback " |
899 | #define SNDRV_CTL_NAME_CAPTURE "Capture " |
900 | |
901 | #define SNDRV_CTL_NAME_IEC958_NONE "" |
902 | #define SNDRV_CTL_NAME_IEC958_SWITCH "Switch" |
903 | #define SNDRV_CTL_NAME_IEC958_VOLUME "Volume" |
904 | #define SNDRV_CTL_NAME_IEC958_DEFAULT "Default" |
905 | #define SNDRV_CTL_NAME_IEC958_MASK "Mask" |
906 | #define SNDRV_CTL_NAME_IEC958_CON_MASK "Con Mask" |
907 | #define SNDRV_CTL_NAME_IEC958_PRO_MASK "Pro Mask" |
908 | #define SNDRV_CTL_NAME_IEC958_PCM_STREAM "PCM Stream" |
909 | #define SNDRV_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SNDRV_CTL_NAME_##direction SNDRV_CTL_NAME_IEC958_##what |
910 | |
911 | #endif /* __SOUND_ASOUND_H */ |
912 |
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Tags:
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od-2011-09-18
v2.6.34-rc5
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v3.9