1 /****************************************************************************
2  ****************************************************************************
3  ***
4  ***   This header was automatically generated from a Linux kernel header
5  ***   of the same name, to make information necessary for userspace to
6  ***   call into the kernel available to libc.  It contains only constants,
7  ***   structures, and macros generated from the original header, and thus,
8  ***   contains no copyrightable information.
9  ***
10  ***   To edit the content of this header, modify the corresponding
11  ***   source file (e.g. under external/kernel-headers/original/) then
12  ***   run bionic/libc/kernel/tools/update_all.py
13  ***
14  ***   Any manual change here will be lost the next time this script will
15  ***   be run. You've been warned!
16  ***
17  ****************************************************************************
18  ****************************************************************************/
19 #ifndef __SOUND_ASOUND_H
20 #define __SOUND_ASOUND_H
21 #ifdef __linux__
22 #include <linux/types.h>
23 #else
24 #include <sys/ioctl.h>
25 #endif
26 #include <stdlib.h>
27 #include <time.h>
28 #define SNDRV_PROTOCOL_VERSION(major,minor,subminor) (((major) << 16) | ((minor) << 8) | (subminor))
29 #define SNDRV_PROTOCOL_MAJOR(version) (((version) >> 16) & 0xffff)
30 #define SNDRV_PROTOCOL_MINOR(version) (((version) >> 8) & 0xff)
31 #define SNDRV_PROTOCOL_MICRO(version) ((version) & 0xff)
32 #define SNDRV_PROTOCOL_INCOMPATIBLE(kversion,uversion) (SNDRV_PROTOCOL_MAJOR(kversion) != SNDRV_PROTOCOL_MAJOR(uversion) || (SNDRV_PROTOCOL_MAJOR(kversion) == SNDRV_PROTOCOL_MAJOR(uversion) && SNDRV_PROTOCOL_MINOR(kversion) != SNDRV_PROTOCOL_MINOR(uversion)))
33 struct snd_aes_iec958 {
34   unsigned char status[24];
35   unsigned char subcode[147];
36   unsigned char pad;
37   unsigned char dig_subframe[4];
38 };
39 struct snd_cea_861_aud_if {
40   unsigned char db1_ct_cc;
41   unsigned char db2_sf_ss;
42   unsigned char db3;
43   unsigned char db4_ca;
44   unsigned char db5_dminh_lsv;
45 };
46 #define SNDRV_HWDEP_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1)
47 enum {
48   SNDRV_HWDEP_IFACE_OPL2 = 0,
49   SNDRV_HWDEP_IFACE_OPL3,
50   SNDRV_HWDEP_IFACE_OPL4,
51   SNDRV_HWDEP_IFACE_SB16CSP,
52   SNDRV_HWDEP_IFACE_EMU10K1,
53   SNDRV_HWDEP_IFACE_YSS225,
54   SNDRV_HWDEP_IFACE_ICS2115,
55   SNDRV_HWDEP_IFACE_SSCAPE,
56   SNDRV_HWDEP_IFACE_VX,
57   SNDRV_HWDEP_IFACE_MIXART,
58   SNDRV_HWDEP_IFACE_USX2Y,
59   SNDRV_HWDEP_IFACE_EMUX_WAVETABLE,
60   SNDRV_HWDEP_IFACE_BLUETOOTH,
61   SNDRV_HWDEP_IFACE_USX2Y_PCM,
62   SNDRV_HWDEP_IFACE_PCXHR,
63   SNDRV_HWDEP_IFACE_SB_RC,
64   SNDRV_HWDEP_IFACE_HDA,
65   SNDRV_HWDEP_IFACE_USB_STREAM,
66   SNDRV_HWDEP_IFACE_FW_DICE,
67   SNDRV_HWDEP_IFACE_FW_FIREWORKS,
68   SNDRV_HWDEP_IFACE_FW_BEBOB,
69   SNDRV_HWDEP_IFACE_FW_OXFW,
70   SNDRV_HWDEP_IFACE_FW_DIGI00X,
71   SNDRV_HWDEP_IFACE_FW_TASCAM,
72   SNDRV_HWDEP_IFACE_LINE6,
73   SNDRV_HWDEP_IFACE_AUDIO_BE,
74   SNDRV_HWDEP_IFACE_AUDIO_CODEC,
75   SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_AUDIO_CODEC
76 };
77 struct snd_hwdep_info {
78   unsigned int device;
79   int card;
80   unsigned char id[64];
81   unsigned char name[80];
82   int iface;
83   unsigned char reserved[64];
84 };
85 struct snd_hwdep_dsp_status {
86   unsigned int version;
87   unsigned char id[32];
88   unsigned int num_dsps;
89   unsigned int dsp_loaded;
90   unsigned int chip_ready;
91   unsigned char reserved[16];
92 };
93 struct snd_hwdep_dsp_image {
94   unsigned int index;
95   unsigned char name[64];
96   unsigned char * image;
97   size_t length;
98   unsigned long driver_data;
99 };
100 #define SNDRV_HWDEP_IOCTL_PVERSION _IOR('H', 0x00, int)
101 #define SNDRV_HWDEP_IOCTL_INFO _IOR('H', 0x01, struct snd_hwdep_info)
102 #define SNDRV_HWDEP_IOCTL_DSP_STATUS _IOR('H', 0x02, struct snd_hwdep_dsp_status)
103 #define SNDRV_HWDEP_IOCTL_DSP_LOAD _IOW('H', 0x03, struct snd_hwdep_dsp_image)
104 #define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 13)
105 typedef unsigned long snd_pcm_uframes_t;
106 typedef signed long snd_pcm_sframes_t;
107 enum {
108   SNDRV_PCM_CLASS_GENERIC = 0,
109   SNDRV_PCM_CLASS_MULTI,
110   SNDRV_PCM_CLASS_MODEM,
111   SNDRV_PCM_CLASS_DIGITIZER,
112   SNDRV_PCM_CLASS_LAST = SNDRV_PCM_CLASS_DIGITIZER,
113 };
114 enum {
115   SNDRV_PCM_SUBCLASS_GENERIC_MIX = 0,
116   SNDRV_PCM_SUBCLASS_MULTI_MIX,
117   SNDRV_PCM_SUBCLASS_LAST = SNDRV_PCM_SUBCLASS_MULTI_MIX,
118 };
119 enum {
120   SNDRV_PCM_STREAM_PLAYBACK = 0,
121   SNDRV_PCM_STREAM_CAPTURE,
122   SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE,
123 };
124 typedef int __bitwise snd_pcm_access_t;
125 #define SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ((snd_pcm_access_t) 0)
126 #define SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ((snd_pcm_access_t) 1)
127 #define SNDRV_PCM_ACCESS_MMAP_COMPLEX ((snd_pcm_access_t) 2)
128 #define SNDRV_PCM_ACCESS_RW_INTERLEAVED ((snd_pcm_access_t) 3)
129 #define SNDRV_PCM_ACCESS_RW_NONINTERLEAVED ((snd_pcm_access_t) 4)
130 #define SNDRV_PCM_ACCESS_LAST SNDRV_PCM_ACCESS_RW_NONINTERLEAVED
131 typedef int __bitwise snd_pcm_format_t;
132 #define SNDRV_PCM_FORMAT_S8 ((snd_pcm_format_t) 0)
133 #define SNDRV_PCM_FORMAT_U8 ((snd_pcm_format_t) 1)
134 #define SNDRV_PCM_FORMAT_S16_LE ((snd_pcm_format_t) 2)
135 #define SNDRV_PCM_FORMAT_S16_BE ((snd_pcm_format_t) 3)
136 #define SNDRV_PCM_FORMAT_U16_LE ((snd_pcm_format_t) 4)
137 #define SNDRV_PCM_FORMAT_U16_BE ((snd_pcm_format_t) 5)
138 #define SNDRV_PCM_FORMAT_S24_LE ((snd_pcm_format_t) 6)
139 #define SNDRV_PCM_FORMAT_S24_BE ((snd_pcm_format_t) 7)
140 #define SNDRV_PCM_FORMAT_U24_LE ((snd_pcm_format_t) 8)
141 #define SNDRV_PCM_FORMAT_U24_BE ((snd_pcm_format_t) 9)
142 #define SNDRV_PCM_FORMAT_S32_LE ((snd_pcm_format_t) 10)
143 #define SNDRV_PCM_FORMAT_S32_BE ((snd_pcm_format_t) 11)
144 #define SNDRV_PCM_FORMAT_U32_LE ((snd_pcm_format_t) 12)
145 #define SNDRV_PCM_FORMAT_U32_BE ((snd_pcm_format_t) 13)
146 #define SNDRV_PCM_FORMAT_FLOAT_LE ((snd_pcm_format_t) 14)
147 #define SNDRV_PCM_FORMAT_FLOAT_BE ((snd_pcm_format_t) 15)
148 #define SNDRV_PCM_FORMAT_FLOAT64_LE ((snd_pcm_format_t) 16)
149 #define SNDRV_PCM_FORMAT_FLOAT64_BE ((snd_pcm_format_t) 17)
150 #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE ((snd_pcm_format_t) 18)
151 #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE ((snd_pcm_format_t) 19)
152 #define SNDRV_PCM_FORMAT_MU_LAW ((snd_pcm_format_t) 20)
153 #define SNDRV_PCM_FORMAT_A_LAW ((snd_pcm_format_t) 21)
154 #define SNDRV_PCM_FORMAT_IMA_ADPCM ((snd_pcm_format_t) 22)
155 #define SNDRV_PCM_FORMAT_MPEG ((snd_pcm_format_t) 23)
156 #define SNDRV_PCM_FORMAT_GSM ((snd_pcm_format_t) 24)
157 #define SNDRV_PCM_FORMAT_SPECIAL ((snd_pcm_format_t) 31)
158 #define SNDRV_PCM_FORMAT_S24_3LE ((snd_pcm_format_t) 32)
159 #define SNDRV_PCM_FORMAT_S24_3BE ((snd_pcm_format_t) 33)
160 #define SNDRV_PCM_FORMAT_U24_3LE ((snd_pcm_format_t) 34)
161 #define SNDRV_PCM_FORMAT_U24_3BE ((snd_pcm_format_t) 35)
162 #define SNDRV_PCM_FORMAT_S20_3LE ((snd_pcm_format_t) 36)
163 #define SNDRV_PCM_FORMAT_S20_3BE ((snd_pcm_format_t) 37)
164 #define SNDRV_PCM_FORMAT_U20_3LE ((snd_pcm_format_t) 38)
165 #define SNDRV_PCM_FORMAT_U20_3BE ((snd_pcm_format_t) 39)
166 #define SNDRV_PCM_FORMAT_S18_3LE ((snd_pcm_format_t) 40)
167 #define SNDRV_PCM_FORMAT_S18_3BE ((snd_pcm_format_t) 41)
168 #define SNDRV_PCM_FORMAT_U18_3LE ((snd_pcm_format_t) 42)
169 #define SNDRV_PCM_FORMAT_U18_3BE ((snd_pcm_format_t) 43)
170 #define SNDRV_PCM_FORMAT_G723_24 ((snd_pcm_format_t) 44)
171 #define SNDRV_PCM_FORMAT_G723_24_1B ((snd_pcm_format_t) 45)
172 #define SNDRV_PCM_FORMAT_G723_40 ((snd_pcm_format_t) 46)
173 #define SNDRV_PCM_FORMAT_G723_40_1B ((snd_pcm_format_t) 47)
174 #define SNDRV_PCM_FORMAT_DSD_U8 ((snd_pcm_format_t) 48)
175 #define SNDRV_PCM_FORMAT_DSD_U16_LE ((snd_pcm_format_t) 49)
176 #define SNDRV_PCM_FORMAT_DSD_U32_LE ((snd_pcm_format_t) 50)
177 #define SNDRV_PCM_FORMAT_DSD_U16_BE ((snd_pcm_format_t) 51)
178 #define SNDRV_PCM_FORMAT_DSD_U32_BE ((snd_pcm_format_t) 52)
179 #define SNDRV_PCM_FORMAT_LAST SNDRV_PCM_FORMAT_DSD_U32_BE
180 #ifdef SNDRV_LITTLE_ENDIAN
181 #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_LE
182 #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_LE
183 #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_LE
184 #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_LE
185 #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_LE
186 #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_LE
187 #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_LE
188 #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_LE
189 #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE
190 #endif
191 #ifdef SNDRV_BIG_ENDIAN
192 #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_BE
193 #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_BE
194 #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_BE
195 #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_BE
196 #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_BE
197 #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_BE
198 #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_BE
199 #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_BE
200 #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE
201 #endif
202 typedef int __bitwise snd_pcm_subformat_t;
203 #define SNDRV_PCM_SUBFORMAT_STD ((snd_pcm_subformat_t) 0)
204 #define SNDRV_PCM_SUBFORMAT_LAST SNDRV_PCM_SUBFORMAT_STD
205 #define SNDRV_PCM_INFO_MMAP 0x00000001
206 #define SNDRV_PCM_INFO_MMAP_VALID 0x00000002
207 #define SNDRV_PCM_INFO_DOUBLE 0x00000004
208 #define SNDRV_PCM_INFO_BATCH 0x00000010
209 #define SNDRV_PCM_INFO_INTERLEAVED 0x00000100
210 #define SNDRV_PCM_INFO_NONINTERLEAVED 0x00000200
211 #define SNDRV_PCM_INFO_COMPLEX 0x00000400
212 #define SNDRV_PCM_INFO_BLOCK_TRANSFER 0x00010000
213 #define SNDRV_PCM_INFO_OVERRANGE 0x00020000
214 #define SNDRV_PCM_INFO_RESUME 0x00040000
215 #define SNDRV_PCM_INFO_PAUSE 0x00080000
216 #define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000
217 #define SNDRV_PCM_INFO_JOINT_DUPLEX 0x00200000
218 #define SNDRV_PCM_INFO_SYNC_START 0x00400000
219 #define SNDRV_PCM_INFO_NO_PERIOD_WAKEUP 0x00800000
220 #define SNDRV_PCM_INFO_HAS_WALL_CLOCK 0x01000000
221 #define SNDRV_PCM_INFO_HAS_LINK_ATIME 0x01000000
222 #define SNDRV_PCM_INFO_HAS_LINK_ABSOLUTE_ATIME 0x02000000
223 #define SNDRV_PCM_INFO_HAS_LINK_ESTIMATED_ATIME 0x04000000
224 #define SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME 0x08000000
225 #define SNDRV_PCM_INFO_DRAIN_TRIGGER 0x40000000
226 #define SNDRV_PCM_INFO_FIFO_IN_FRAMES 0x80000000
227 typedef int __bitwise snd_pcm_state_t;
228 #define SNDRV_PCM_STATE_OPEN ((snd_pcm_state_t) 0)
229 #define SNDRV_PCM_STATE_SETUP ((snd_pcm_state_t) 1)
230 #define SNDRV_PCM_STATE_PREPARED ((snd_pcm_state_t) 2)
231 #define SNDRV_PCM_STATE_RUNNING ((snd_pcm_state_t) 3)
232 #define SNDRV_PCM_STATE_XRUN ((snd_pcm_state_t) 4)
233 #define SNDRV_PCM_STATE_DRAINING ((snd_pcm_state_t) 5)
234 #define SNDRV_PCM_STATE_PAUSED ((snd_pcm_state_t) 6)
235 #define SNDRV_PCM_STATE_SUSPENDED ((snd_pcm_state_t) 7)
236 #define SNDRV_PCM_STATE_DISCONNECTED ((snd_pcm_state_t) 8)
237 #define SNDRV_PCM_STATE_LAST SNDRV_PCM_STATE_DISCONNECTED
238 enum {
239   SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000,
240   SNDRV_PCM_MMAP_OFFSET_STATUS = 0x80000000,
241   SNDRV_PCM_MMAP_OFFSET_CONTROL = 0x81000000,
242 };
243 union snd_pcm_sync_id {
244   unsigned char id[16];
245   unsigned short id16[8];
246   unsigned int id32[4];
247 };
248 struct snd_pcm_info {
249   unsigned int device;
250   unsigned int subdevice;
251   int stream;
252   int card;
253   unsigned char id[64];
254   unsigned char name[80];
255   unsigned char subname[32];
256   int dev_class;
257   int dev_subclass;
258   unsigned int subdevices_count;
259   unsigned int subdevices_avail;
260   union snd_pcm_sync_id sync;
261   unsigned char reserved[64];
262 };
263 typedef int snd_pcm_hw_param_t;
264 #define SNDRV_PCM_HW_PARAM_ACCESS 0
265 #define SNDRV_PCM_HW_PARAM_FORMAT 1
266 #define SNDRV_PCM_HW_PARAM_SUBFORMAT 2
267 #define SNDRV_PCM_HW_PARAM_FIRST_MASK SNDRV_PCM_HW_PARAM_ACCESS
268 #define SNDRV_PCM_HW_PARAM_LAST_MASK SNDRV_PCM_HW_PARAM_SUBFORMAT
269 #define SNDRV_PCM_HW_PARAM_SAMPLE_BITS 8
270 #define SNDRV_PCM_HW_PARAM_FRAME_BITS 9
271 #define SNDRV_PCM_HW_PARAM_CHANNELS 10
272 #define SNDRV_PCM_HW_PARAM_RATE 11
273 #define SNDRV_PCM_HW_PARAM_PERIOD_TIME 12
274 #define SNDRV_PCM_HW_PARAM_PERIOD_SIZE 13
275 #define SNDRV_PCM_HW_PARAM_PERIOD_BYTES 14
276 #define SNDRV_PCM_HW_PARAM_PERIODS 15
277 #define SNDRV_PCM_HW_PARAM_BUFFER_TIME 16
278 #define SNDRV_PCM_HW_PARAM_BUFFER_SIZE 17
279 #define SNDRV_PCM_HW_PARAM_BUFFER_BYTES 18
280 #define SNDRV_PCM_HW_PARAM_TICK_TIME 19
281 #define SNDRV_PCM_HW_PARAM_FIRST_INTERVAL SNDRV_PCM_HW_PARAM_SAMPLE_BITS
282 #define SNDRV_PCM_HW_PARAM_LAST_INTERVAL SNDRV_PCM_HW_PARAM_TICK_TIME
283 #define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1 << 0)
284 #define SNDRV_PCM_HW_PARAMS_EXPORT_BUFFER (1 << 1)
285 #define SNDRV_PCM_HW_PARAMS_NO_PERIOD_WAKEUP (1 << 2)
286 struct snd_interval {
287   unsigned int min, max;
288   unsigned int openmin : 1, openmax : 1, integer : 1, empty : 1;
289 };
290 #define SNDRV_MASK_MAX 256
291 struct snd_mask {
292   __u32 bits[(SNDRV_MASK_MAX + 31) / 32];
293 };
294 struct snd_pcm_hw_params {
295   unsigned int flags;
296   struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - SNDRV_PCM_HW_PARAM_FIRST_MASK + 1];
297   struct snd_mask mres[5];
298   struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL - SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1];
299   struct snd_interval ires[9];
300   unsigned int rmask;
301   unsigned int cmask;
302   unsigned int info;
303   unsigned int msbits;
304   unsigned int rate_num;
305   unsigned int rate_den;
306   snd_pcm_uframes_t fifo_size;
307   unsigned char reserved[64];
308 };
309 enum {
310   SNDRV_PCM_TSTAMP_NONE = 0,
311   SNDRV_PCM_TSTAMP_ENABLE,
312   SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_ENABLE,
313 };
314 struct snd_pcm_sw_params {
315   int tstamp_mode;
316   unsigned int period_step;
317   unsigned int sleep_min;
318   snd_pcm_uframes_t avail_min;
319   snd_pcm_uframes_t xfer_align;
320   snd_pcm_uframes_t start_threshold;
321   snd_pcm_uframes_t stop_threshold;
322   snd_pcm_uframes_t silence_threshold;
323   snd_pcm_uframes_t silence_size;
324   snd_pcm_uframes_t boundary;
325   unsigned int proto;
326   unsigned int tstamp_type;
327   unsigned char reserved[56];
328 };
329 struct snd_pcm_channel_info {
330   unsigned int channel;
331   __kernel_off_t offset;
332   unsigned int first;
333   unsigned int step;
334 };
335 enum {
336   SNDRV_PCM_AUDIO_TSTAMP_TYPE_COMPAT = 0,
337   SNDRV_PCM_AUDIO_TSTAMP_TYPE_DEFAULT = 1,
338   SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK = 2,
339   SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_ABSOLUTE = 3,
340   SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_ESTIMATED = 4,
341   SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_SYNCHRONIZED = 5,
342   SNDRV_PCM_AUDIO_TSTAMP_TYPE_LAST = SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_SYNCHRONIZED
343 };
344 struct snd_pcm_status {
345   snd_pcm_state_t state;
346   struct timespec trigger_tstamp;
347   struct timespec tstamp;
348   snd_pcm_uframes_t appl_ptr;
349   snd_pcm_uframes_t hw_ptr;
350   snd_pcm_sframes_t delay;
351   snd_pcm_uframes_t avail;
352   snd_pcm_uframes_t avail_max;
353   snd_pcm_uframes_t overrange;
354   snd_pcm_state_t suspended_state;
355   __u32 audio_tstamp_data;
356   struct timespec audio_tstamp;
357   struct timespec driver_tstamp;
358   __u32 audio_tstamp_accuracy;
359   unsigned char reserved[52 - 2 * sizeof(struct timespec)];
360 };
361 struct snd_pcm_mmap_status {
362   snd_pcm_state_t state;
363   int pad1;
364   snd_pcm_uframes_t hw_ptr;
365   struct timespec tstamp;
366   snd_pcm_state_t suspended_state;
367   struct timespec audio_tstamp;
368 };
369 struct snd_pcm_mmap_control {
370   snd_pcm_uframes_t appl_ptr;
371   snd_pcm_uframes_t avail_min;
372 };
373 #define SNDRV_PCM_SYNC_PTR_HWSYNC (1 << 0)
374 #define SNDRV_PCM_SYNC_PTR_APPL (1 << 1)
375 #define SNDRV_PCM_SYNC_PTR_AVAIL_MIN (1 << 2)
376 struct snd_pcm_sync_ptr {
377   unsigned int flags;
378   union {
379     struct snd_pcm_mmap_status status;
380     unsigned char reserved[64];
381   } s;
382   union {
383     struct snd_pcm_mmap_control control;
384     unsigned char reserved[64];
385   } c;
386 };
387 struct snd_xferi {
388   snd_pcm_sframes_t result;
389   void * buf;
390   snd_pcm_uframes_t frames;
391 };
392 struct snd_xfern {
393   snd_pcm_sframes_t result;
394   void * * bufs;
395   snd_pcm_uframes_t frames;
396 };
397 enum {
398   SNDRV_PCM_TSTAMP_TYPE_GETTIMEOFDAY = 0,
399   SNDRV_PCM_TSTAMP_TYPE_MONOTONIC,
400   SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW,
401   SNDRV_PCM_TSTAMP_TYPE_LAST = SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW,
402 };
403 enum {
404   SNDRV_CHMAP_UNKNOWN = 0,
405   SNDRV_CHMAP_NA,
406   SNDRV_CHMAP_MONO,
407   SNDRV_CHMAP_FL,
408   SNDRV_CHMAP_FR,
409   SNDRV_CHMAP_RL,
410   SNDRV_CHMAP_RR,
411   SNDRV_CHMAP_FC,
412   SNDRV_CHMAP_LFE,
413   SNDRV_CHMAP_SL,
414   SNDRV_CHMAP_SR,
415   SNDRV_CHMAP_RC,
416   SNDRV_CHMAP_FLC,
417   SNDRV_CHMAP_FRC,
418   SNDRV_CHMAP_RLC,
419   SNDRV_CHMAP_RRC,
420   SNDRV_CHMAP_FLW,
421   SNDRV_CHMAP_FRW,
422   SNDRV_CHMAP_FLH,
423   SNDRV_CHMAP_FCH,
424   SNDRV_CHMAP_FRH,
425   SNDRV_CHMAP_TC,
426   SNDRV_CHMAP_TFL,
427   SNDRV_CHMAP_TFR,
428   SNDRV_CHMAP_TFC,
429   SNDRV_CHMAP_TRL,
430   SNDRV_CHMAP_TRR,
431   SNDRV_CHMAP_TRC,
432   SNDRV_CHMAP_TFLC,
433   SNDRV_CHMAP_TFRC,
434   SNDRV_CHMAP_TSL,
435   SNDRV_CHMAP_TSR,
436   SNDRV_CHMAP_LLFE,
437   SNDRV_CHMAP_RLFE,
438   SNDRV_CHMAP_BC,
439   SNDRV_CHMAP_BLC,
440   SNDRV_CHMAP_BRC,
441   SNDRV_CHMAP_LAST = SNDRV_CHMAP_BRC,
442 };
443 #define SNDRV_CHMAP_POSITION_MASK 0xffff
444 #define SNDRV_CHMAP_PHASE_INVERSE (0x01 << 16)
445 #define SNDRV_CHMAP_DRIVER_SPEC (0x02 << 16)
446 #define SNDRV_PCM_IOCTL_PVERSION _IOR('A', 0x00, int)
447 #define SNDRV_PCM_IOCTL_INFO _IOR('A', 0x01, struct snd_pcm_info)
448 #define SNDRV_PCM_IOCTL_TSTAMP _IOW('A', 0x02, int)
449 #define SNDRV_PCM_IOCTL_TTSTAMP _IOW('A', 0x03, int)
450 #define SNDRV_PCM_IOCTL_HW_REFINE _IOWR('A', 0x10, struct snd_pcm_hw_params)
451 #define SNDRV_PCM_IOCTL_HW_PARAMS _IOWR('A', 0x11, struct snd_pcm_hw_params)
452 #define SNDRV_PCM_IOCTL_HW_FREE _IO('A', 0x12)
453 #define SNDRV_PCM_IOCTL_SW_PARAMS _IOWR('A', 0x13, struct snd_pcm_sw_params)
454 #define SNDRV_PCM_IOCTL_STATUS _IOR('A', 0x20, struct snd_pcm_status)
455 #define SNDRV_PCM_IOCTL_DELAY _IOR('A', 0x21, snd_pcm_sframes_t)
456 #define SNDRV_PCM_IOCTL_HWSYNC _IO('A', 0x22)
457 #define SNDRV_PCM_IOCTL_SYNC_PTR _IOWR('A', 0x23, struct snd_pcm_sync_ptr)
458 #define SNDRV_PCM_IOCTL_STATUS_EXT _IOWR('A', 0x24, struct snd_pcm_status)
459 #define SNDRV_PCM_IOCTL_CHANNEL_INFO _IOR('A', 0x32, struct snd_pcm_channel_info)
460 #define SNDRV_PCM_IOCTL_PREPARE _IO('A', 0x40)
461 #define SNDRV_PCM_IOCTL_RESET _IO('A', 0x41)
462 #define SNDRV_PCM_IOCTL_START _IO('A', 0x42)
463 #define SNDRV_PCM_IOCTL_DROP _IO('A', 0x43)
464 #define SNDRV_PCM_IOCTL_DRAIN _IO('A', 0x44)
465 #define SNDRV_PCM_IOCTL_PAUSE _IOW('A', 0x45, int)
466 #define SNDRV_PCM_IOCTL_REWIND _IOW('A', 0x46, snd_pcm_uframes_t)
467 #define SNDRV_PCM_IOCTL_RESUME _IO('A', 0x47)
468 #define SNDRV_PCM_IOCTL_XRUN _IO('A', 0x48)
469 #define SNDRV_PCM_IOCTL_FORWARD _IOW('A', 0x49, snd_pcm_uframes_t)
470 #define SNDRV_PCM_IOCTL_WRITEI_FRAMES _IOW('A', 0x50, struct snd_xferi)
471 #define SNDRV_PCM_IOCTL_READI_FRAMES _IOR('A', 0x51, struct snd_xferi)
472 #define SNDRV_PCM_IOCTL_WRITEN_FRAMES _IOW('A', 0x52, struct snd_xfern)
473 #define SNDRV_PCM_IOCTL_READN_FRAMES _IOR('A', 0x53, struct snd_xfern)
474 #define SNDRV_PCM_IOCTL_LINK _IOW('A', 0x60, int)
475 #define SNDRV_PCM_IOCTL_UNLINK _IO('A', 0x61)
476 #define SNDRV_RAWMIDI_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 0)
477 enum {
478   SNDRV_RAWMIDI_STREAM_OUTPUT = 0,
479   SNDRV_RAWMIDI_STREAM_INPUT,
480   SNDRV_RAWMIDI_STREAM_LAST = SNDRV_RAWMIDI_STREAM_INPUT,
481 };
482 #define SNDRV_RAWMIDI_INFO_OUTPUT 0x00000001
483 #define SNDRV_RAWMIDI_INFO_INPUT 0x00000002
484 #define SNDRV_RAWMIDI_INFO_DUPLEX 0x00000004
485 struct snd_rawmidi_info {
486   unsigned int device;
487   unsigned int subdevice;
488   int stream;
489   int card;
490   unsigned int flags;
491   unsigned char id[64];
492   unsigned char name[80];
493   unsigned char subname[32];
494   unsigned int subdevices_count;
495   unsigned int subdevices_avail;
496   unsigned char reserved[64];
497 };
498 struct snd_rawmidi_params {
499   int stream;
500   size_t buffer_size;
501   size_t avail_min;
502   unsigned int no_active_sensing : 1;
503   unsigned char reserved[16];
504 };
505 struct snd_rawmidi_status {
506   int stream;
507   struct timespec tstamp;
508   size_t avail;
509   size_t xruns;
510   unsigned char reserved[16];
511 };
512 #define SNDRV_RAWMIDI_IOCTL_PVERSION _IOR('W', 0x00, int)
513 #define SNDRV_RAWMIDI_IOCTL_INFO _IOR('W', 0x01, struct snd_rawmidi_info)
514 #define SNDRV_RAWMIDI_IOCTL_PARAMS _IOWR('W', 0x10, struct snd_rawmidi_params)
515 #define SNDRV_RAWMIDI_IOCTL_STATUS _IOWR('W', 0x20, struct snd_rawmidi_status)
516 #define SNDRV_RAWMIDI_IOCTL_DROP _IOW('W', 0x30, int)
517 #define SNDRV_RAWMIDI_IOCTL_DRAIN _IOW('W', 0x31, int)
518 #define SNDRV_TIMER_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 6)
519 enum {
520   SNDRV_TIMER_CLASS_NONE = - 1,
521   SNDRV_TIMER_CLASS_SLAVE = 0,
522   SNDRV_TIMER_CLASS_GLOBAL,
523   SNDRV_TIMER_CLASS_CARD,
524   SNDRV_TIMER_CLASS_PCM,
525   SNDRV_TIMER_CLASS_LAST = SNDRV_TIMER_CLASS_PCM,
526 };
527 enum {
528   SNDRV_TIMER_SCLASS_NONE = 0,
529   SNDRV_TIMER_SCLASS_APPLICATION,
530   SNDRV_TIMER_SCLASS_SEQUENCER,
531   SNDRV_TIMER_SCLASS_OSS_SEQUENCER,
532   SNDRV_TIMER_SCLASS_LAST = SNDRV_TIMER_SCLASS_OSS_SEQUENCER,
533 };
534 #define SNDRV_TIMER_GLOBAL_SYSTEM 0
535 #define SNDRV_TIMER_GLOBAL_RTC 1
536 #define SNDRV_TIMER_GLOBAL_HPET 2
537 #define SNDRV_TIMER_GLOBAL_HRTIMER 3
538 #define SNDRV_TIMER_FLG_SLAVE (1 << 0)
539 struct snd_timer_id {
540   int dev_class;
541   int dev_sclass;
542   int card;
543   int device;
544   int subdevice;
545 };
546 struct snd_timer_ginfo {
547   struct snd_timer_id tid;
548   unsigned int flags;
549   int card;
550   unsigned char id[64];
551   unsigned char name[80];
552   unsigned long reserved0;
553   unsigned long resolution;
554   unsigned long resolution_min;
555   unsigned long resolution_max;
556   unsigned int clients;
557   unsigned char reserved[32];
558 };
559 struct snd_timer_gparams {
560   struct snd_timer_id tid;
561   unsigned long period_num;
562   unsigned long period_den;
563   unsigned char reserved[32];
564 };
565 struct snd_timer_gstatus {
566   struct snd_timer_id tid;
567   unsigned long resolution;
568   unsigned long resolution_num;
569   unsigned long resolution_den;
570   unsigned char reserved[32];
571 };
572 struct snd_timer_select {
573   struct snd_timer_id id;
574   unsigned char reserved[32];
575 };
576 struct snd_timer_info {
577   unsigned int flags;
578   int card;
579   unsigned char id[64];
580   unsigned char name[80];
581   unsigned long reserved0;
582   unsigned long resolution;
583   unsigned char reserved[64];
584 };
585 #define SNDRV_TIMER_PSFLG_AUTO (1 << 0)
586 #define SNDRV_TIMER_PSFLG_EXCLUSIVE (1 << 1)
587 #define SNDRV_TIMER_PSFLG_EARLY_EVENT (1 << 2)
588 struct snd_timer_params {
589   unsigned int flags;
590   unsigned int ticks;
591   unsigned int queue_size;
592   unsigned int reserved0;
593   unsigned int filter;
594   unsigned char reserved[60];
595 };
596 struct snd_timer_status {
597   struct timespec tstamp;
598   unsigned int resolution;
599   unsigned int lost;
600   unsigned int overrun;
601   unsigned int queue;
602   unsigned char reserved[64];
603 };
604 #define SNDRV_TIMER_IOCTL_PVERSION _IOR('T', 0x00, int)
605 #define SNDRV_TIMER_IOCTL_NEXT_DEVICE _IOWR('T', 0x01, struct snd_timer_id)
606 #define SNDRV_TIMER_IOCTL_TREAD _IOW('T', 0x02, int)
607 #define SNDRV_TIMER_IOCTL_GINFO _IOWR('T', 0x03, struct snd_timer_ginfo)
608 #define SNDRV_TIMER_IOCTL_GPARAMS _IOW('T', 0x04, struct snd_timer_gparams)
609 #define SNDRV_TIMER_IOCTL_GSTATUS _IOWR('T', 0x05, struct snd_timer_gstatus)
610 #define SNDRV_TIMER_IOCTL_SELECT _IOW('T', 0x10, struct snd_timer_select)
611 #define SNDRV_TIMER_IOCTL_INFO _IOR('T', 0x11, struct snd_timer_info)
612 #define SNDRV_TIMER_IOCTL_PARAMS _IOW('T', 0x12, struct snd_timer_params)
613 #define SNDRV_TIMER_IOCTL_STATUS _IOR('T', 0x14, struct snd_timer_status)
614 #define SNDRV_TIMER_IOCTL_START _IO('T', 0xa0)
615 #define SNDRV_TIMER_IOCTL_STOP _IO('T', 0xa1)
616 #define SNDRV_TIMER_IOCTL_CONTINUE _IO('T', 0xa2)
617 #define SNDRV_TIMER_IOCTL_PAUSE _IO('T', 0xa3)
618 struct snd_timer_read {
619   unsigned int resolution;
620   unsigned int ticks;
621 };
622 enum {
623   SNDRV_TIMER_EVENT_RESOLUTION = 0,
624   SNDRV_TIMER_EVENT_TICK,
625   SNDRV_TIMER_EVENT_START,
626   SNDRV_TIMER_EVENT_STOP,
627   SNDRV_TIMER_EVENT_CONTINUE,
628   SNDRV_TIMER_EVENT_PAUSE,
629   SNDRV_TIMER_EVENT_EARLY,
630   SNDRV_TIMER_EVENT_SUSPEND,
631   SNDRV_TIMER_EVENT_RESUME,
632   SNDRV_TIMER_EVENT_MSTART = SNDRV_TIMER_EVENT_START + 10,
633   SNDRV_TIMER_EVENT_MSTOP = SNDRV_TIMER_EVENT_STOP + 10,
634   SNDRV_TIMER_EVENT_MCONTINUE = SNDRV_TIMER_EVENT_CONTINUE + 10,
635   SNDRV_TIMER_EVENT_MPAUSE = SNDRV_TIMER_EVENT_PAUSE + 10,
636   SNDRV_TIMER_EVENT_MSUSPEND = SNDRV_TIMER_EVENT_SUSPEND + 10,
637   SNDRV_TIMER_EVENT_MRESUME = SNDRV_TIMER_EVENT_RESUME + 10,
638 };
639 struct snd_timer_tread {
640   int event;
641   struct timespec tstamp;
642   unsigned int val;
643 };
644 #define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 7)
645 struct snd_ctl_card_info {
646   int card;
647   int pad;
648   unsigned char id[16];
649   unsigned char driver[16];
650   unsigned char name[32];
651   unsigned char longname[80];
652   unsigned char reserved_[16];
653   unsigned char mixername[80];
654   unsigned char components[128];
655 };
656 typedef int __bitwise snd_ctl_elem_type_t;
657 #define SNDRV_CTL_ELEM_TYPE_NONE ((snd_ctl_elem_type_t) 0)
658 #define SNDRV_CTL_ELEM_TYPE_BOOLEAN ((snd_ctl_elem_type_t) 1)
659 #define SNDRV_CTL_ELEM_TYPE_INTEGER ((snd_ctl_elem_type_t) 2)
660 #define SNDRV_CTL_ELEM_TYPE_ENUMERATED ((snd_ctl_elem_type_t) 3)
661 #define SNDRV_CTL_ELEM_TYPE_BYTES ((snd_ctl_elem_type_t) 4)
662 #define SNDRV_CTL_ELEM_TYPE_IEC958 ((snd_ctl_elem_type_t) 5)
663 #define SNDRV_CTL_ELEM_TYPE_INTEGER64 ((snd_ctl_elem_type_t) 6)
664 #define SNDRV_CTL_ELEM_TYPE_LAST SNDRV_CTL_ELEM_TYPE_INTEGER64
665 typedef int __bitwise snd_ctl_elem_iface_t;
666 #define SNDRV_CTL_ELEM_IFACE_CARD ((snd_ctl_elem_iface_t) 0)
667 #define SNDRV_CTL_ELEM_IFACE_HWDEP ((snd_ctl_elem_iface_t) 1)
668 #define SNDRV_CTL_ELEM_IFACE_MIXER ((snd_ctl_elem_iface_t) 2)
669 #define SNDRV_CTL_ELEM_IFACE_PCM ((snd_ctl_elem_iface_t) 3)
670 #define SNDRV_CTL_ELEM_IFACE_RAWMIDI ((snd_ctl_elem_iface_t) 4)
671 #define SNDRV_CTL_ELEM_IFACE_TIMER ((snd_ctl_elem_iface_t) 5)
672 #define SNDRV_CTL_ELEM_IFACE_SEQUENCER ((snd_ctl_elem_iface_t) 6)
673 #define SNDRV_CTL_ELEM_IFACE_LAST SNDRV_CTL_ELEM_IFACE_SEQUENCER
674 #define SNDRV_CTL_ELEM_ACCESS_READ (1 << 0)
675 #define SNDRV_CTL_ELEM_ACCESS_WRITE (1 << 1)
676 #define SNDRV_CTL_ELEM_ACCESS_READWRITE (SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE)
677 #define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1 << 2)
678 #define SNDRV_CTL_ELEM_ACCESS_TIMESTAMP (1 << 3)
679 #define SNDRV_CTL_ELEM_ACCESS_TLV_READ (1 << 4)
680 #define SNDRV_CTL_ELEM_ACCESS_TLV_WRITE (1 << 5)
681 #define SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE (SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_TLV_WRITE)
682 #define SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND (1 << 6)
683 #define SNDRV_CTL_ELEM_ACCESS_INACTIVE (1 << 8)
684 #define SNDRV_CTL_ELEM_ACCESS_LOCK (1 << 9)
685 #define SNDRV_CTL_ELEM_ACCESS_OWNER (1 << 10)
686 #define SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK (1 << 28)
687 #define SNDRV_CTL_ELEM_ACCESS_USER (1 << 29)
688 #define SNDRV_CTL_POWER_D0 0x0000
689 #define SNDRV_CTL_POWER_D1 0x0100
690 #define SNDRV_CTL_POWER_D2 0x0200
691 #define SNDRV_CTL_POWER_D3 0x0300
692 #define SNDRV_CTL_POWER_D3hot (SNDRV_CTL_POWER_D3 | 0x0000)
693 #define SNDRV_CTL_POWER_D3cold (SNDRV_CTL_POWER_D3 | 0x0001)
694 #define SNDRV_CTL_ELEM_ID_NAME_MAXLEN 44
695 struct snd_ctl_elem_id {
696   unsigned int numid;
697   snd_ctl_elem_iface_t iface;
698   unsigned int device;
699   unsigned int subdevice;
700   unsigned char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
701   unsigned int index;
702 };
703 struct snd_ctl_elem_list {
704   unsigned int offset;
705   unsigned int space;
706   unsigned int used;
707   unsigned int count;
708   struct snd_ctl_elem_id * pids;
709   unsigned char reserved[50];
710 };
711 struct snd_ctl_elem_info {
712   struct snd_ctl_elem_id id;
713   snd_ctl_elem_type_t type;
714   unsigned int access;
715   unsigned int count;
716   __kernel_pid_t owner;
717   union {
718     struct {
719       long min;
720       long max;
721       long step;
722     } integer;
723     struct {
724       long long min;
725       long long max;
726       long long step;
727     } integer64;
728     struct {
729       unsigned int items;
730       unsigned int item;
731       char name[64];
732       __u64 names_ptr;
733       unsigned int names_length;
734     } enumerated;
735     unsigned char reserved[128];
736   } value;
737   union {
738     unsigned short d[4];
739     unsigned short * d_ptr;
740   } dimen;
741   unsigned char reserved[64 - 4 * sizeof(unsigned short)];
742 };
743 struct snd_ctl_elem_value {
744   struct snd_ctl_elem_id id;
745   unsigned int indirect : 1;
746   union {
747     union {
748       long value[128];
749       long * value_ptr;
750     } integer;
751     union {
752       long long value[64];
753       long long * value_ptr;
754     } integer64;
755     union {
756       unsigned int item[128];
757       unsigned int * item_ptr;
758     } enumerated;
759     union {
760       unsigned char data[512];
761       unsigned char * data_ptr;
762     } bytes;
763     struct snd_aes_iec958 iec958;
764   } value;
765   struct timespec tstamp;
766   unsigned char reserved[128 - sizeof(struct timespec)];
767 };
768 struct snd_ctl_tlv {
769   unsigned int numid;
770   unsigned int length;
771   unsigned int tlv[0];
772 };
773 #define SNDRV_CTL_IOCTL_PVERSION _IOR('U', 0x00, int)
774 #define SNDRV_CTL_IOCTL_CARD_INFO _IOR('U', 0x01, struct snd_ctl_card_info)
775 #define SNDRV_CTL_IOCTL_ELEM_LIST _IOWR('U', 0x10, struct snd_ctl_elem_list)
776 #define SNDRV_CTL_IOCTL_ELEM_INFO _IOWR('U', 0x11, struct snd_ctl_elem_info)
777 #define SNDRV_CTL_IOCTL_ELEM_READ _IOWR('U', 0x12, struct snd_ctl_elem_value)
778 #define SNDRV_CTL_IOCTL_ELEM_WRITE _IOWR('U', 0x13, struct snd_ctl_elem_value)
779 #define SNDRV_CTL_IOCTL_ELEM_LOCK _IOW('U', 0x14, struct snd_ctl_elem_id)
780 #define SNDRV_CTL_IOCTL_ELEM_UNLOCK _IOW('U', 0x15, struct snd_ctl_elem_id)
781 #define SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS _IOWR('U', 0x16, int)
782 #define SNDRV_CTL_IOCTL_ELEM_ADD _IOWR('U', 0x17, struct snd_ctl_elem_info)
783 #define SNDRV_CTL_IOCTL_ELEM_REPLACE _IOWR('U', 0x18, struct snd_ctl_elem_info)
784 #define SNDRV_CTL_IOCTL_ELEM_REMOVE _IOWR('U', 0x19, struct snd_ctl_elem_id)
785 #define SNDRV_CTL_IOCTL_TLV_READ _IOWR('U', 0x1a, struct snd_ctl_tlv)
786 #define SNDRV_CTL_IOCTL_TLV_WRITE _IOWR('U', 0x1b, struct snd_ctl_tlv)
787 #define SNDRV_CTL_IOCTL_TLV_COMMAND _IOWR('U', 0x1c, struct snd_ctl_tlv)
788 #define SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE _IOWR('U', 0x20, int)
789 #define SNDRV_CTL_IOCTL_HWDEP_INFO _IOR('U', 0x21, struct snd_hwdep_info)
790 #define SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE _IOR('U', 0x30, int)
791 #define SNDRV_CTL_IOCTL_PCM_INFO _IOWR('U', 0x31, struct snd_pcm_info)
792 #define SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE _IOW('U', 0x32, int)
793 #define SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE _IOWR('U', 0x40, int)
794 #define SNDRV_CTL_IOCTL_RAWMIDI_INFO _IOWR('U', 0x41, struct snd_rawmidi_info)
795 #define SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE _IOW('U', 0x42, int)
796 #define SNDRV_CTL_IOCTL_POWER _IOWR('U', 0xd0, int)
797 #define SNDRV_CTL_IOCTL_POWER_STATE _IOR('U', 0xd1, int)
798 enum sndrv_ctl_event_type {
799   SNDRV_CTL_EVENT_ELEM = 0,
800   SNDRV_CTL_EVENT_LAST = SNDRV_CTL_EVENT_ELEM,
801 };
802 #define SNDRV_CTL_EVENT_MASK_VALUE (1 << 0)
803 #define SNDRV_CTL_EVENT_MASK_INFO (1 << 1)
804 #define SNDRV_CTL_EVENT_MASK_ADD (1 << 2)
805 #define SNDRV_CTL_EVENT_MASK_TLV (1 << 3)
806 #define SNDRV_CTL_EVENT_MASK_REMOVE (~0U)
807 struct snd_ctl_event {
808   int type;
809   union {
810     struct {
811       unsigned int mask;
812       struct snd_ctl_elem_id id;
813     } elem;
814     unsigned char data8[60];
815   } data;
816 };
817 #define SNDRV_CTL_NAME_NONE ""
818 #define SNDRV_CTL_NAME_PLAYBACK "Playback "
819 #define SNDRV_CTL_NAME_CAPTURE "Capture "
820 #define SNDRV_CTL_NAME_IEC958_NONE ""
821 #define SNDRV_CTL_NAME_IEC958_SWITCH "Switch"
822 #define SNDRV_CTL_NAME_IEC958_VOLUME "Volume"
823 #define SNDRV_CTL_NAME_IEC958_DEFAULT "Default"
824 #define SNDRV_CTL_NAME_IEC958_MASK "Mask"
825 #define SNDRV_CTL_NAME_IEC958_CON_MASK "Con Mask"
826 #define SNDRV_CTL_NAME_IEC958_PRO_MASK "Pro Mask"
827 #define SNDRV_CTL_NAME_IEC958_PCM_STREAM "PCM Stream"
828 #define SNDRV_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SNDRV_CTL_NAME_ ##direction SNDRV_CTL_NAME_IEC958_ ##what
829 #endif
830 
831