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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 _UAPI__SOUND_ASOUND_H
20  #define _UAPI__SOUND_ASOUND_H
21  #ifdef __linux__
22  #include <linux/types.h>
23  #include <asm/byteorder.h>
24  #else
25  #include <endian.h>
26  #include <sys/ioctl.h>
27  #endif
28  #include <stdlib.h>
29  #include <time.h>
30  #define SNDRV_PROTOCOL_VERSION(major,minor,subminor) (((major) << 16) | ((minor) << 8) | (subminor))
31  #define SNDRV_PROTOCOL_MAJOR(version) (((version) >> 16) & 0xffff)
32  #define SNDRV_PROTOCOL_MINOR(version) (((version) >> 8) & 0xff)
33  #define SNDRV_PROTOCOL_MICRO(version) ((version) & 0xff)
34  #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)))
35  struct snd_aes_iec958 {
36    unsigned char status[24];
37    unsigned char subcode[147];
38    unsigned char pad;
39    unsigned char dig_subframe[4];
40  };
41  struct snd_cea_861_aud_if {
42    unsigned char db1_ct_cc;
43    unsigned char db2_sf_ss;
44    unsigned char db3;
45    unsigned char db4_ca;
46    unsigned char db5_dminh_lsv;
47  };
48  #define SNDRV_HWDEP_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1)
49  enum {
50    SNDRV_HWDEP_IFACE_OPL2 = 0,
51    SNDRV_HWDEP_IFACE_OPL3,
52    SNDRV_HWDEP_IFACE_OPL4,
53    SNDRV_HWDEP_IFACE_SB16CSP,
54    SNDRV_HWDEP_IFACE_EMU10K1,
55    SNDRV_HWDEP_IFACE_YSS225,
56    SNDRV_HWDEP_IFACE_ICS2115,
57    SNDRV_HWDEP_IFACE_SSCAPE,
58    SNDRV_HWDEP_IFACE_VX,
59    SNDRV_HWDEP_IFACE_MIXART,
60    SNDRV_HWDEP_IFACE_USX2Y,
61    SNDRV_HWDEP_IFACE_EMUX_WAVETABLE,
62    SNDRV_HWDEP_IFACE_BLUETOOTH,
63    SNDRV_HWDEP_IFACE_USX2Y_PCM,
64    SNDRV_HWDEP_IFACE_PCXHR,
65    SNDRV_HWDEP_IFACE_SB_RC,
66    SNDRV_HWDEP_IFACE_HDA,
67    SNDRV_HWDEP_IFACE_USB_STREAM,
68    SNDRV_HWDEP_IFACE_FW_DICE,
69    SNDRV_HWDEP_IFACE_FW_FIREWORKS,
70    SNDRV_HWDEP_IFACE_FW_BEBOB,
71    SNDRV_HWDEP_IFACE_FW_OXFW,
72    SNDRV_HWDEP_IFACE_FW_DIGI00X,
73    SNDRV_HWDEP_IFACE_FW_TASCAM,
74    SNDRV_HWDEP_IFACE_LINE6,
75    SNDRV_HWDEP_IFACE_FW_MOTU,
76    SNDRV_HWDEP_IFACE_FW_FIREFACE,
77    SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_FW_FIREFACE
78  };
79  struct snd_hwdep_info {
80    unsigned int device;
81    int card;
82    unsigned char id[64];
83    unsigned char name[80];
84    int iface;
85    unsigned char reserved[64];
86  };
87  struct snd_hwdep_dsp_status {
88    unsigned int version;
89    unsigned char id[32];
90    unsigned int num_dsps;
91    unsigned int dsp_loaded;
92    unsigned int chip_ready;
93    unsigned char reserved[16];
94  };
95  struct snd_hwdep_dsp_image {
96    unsigned int index;
97    unsigned char name[64];
98    unsigned char __user * image;
99    size_t length;
100    unsigned long driver_data;
101  };
102  #define SNDRV_HWDEP_IOCTL_PVERSION _IOR('H', 0x00, int)
103  #define SNDRV_HWDEP_IOCTL_INFO _IOR('H', 0x01, struct snd_hwdep_info)
104  #define SNDRV_HWDEP_IOCTL_DSP_STATUS _IOR('H', 0x02, struct snd_hwdep_dsp_status)
105  #define SNDRV_HWDEP_IOCTL_DSP_LOAD _IOW('H', 0x03, struct snd_hwdep_dsp_image)
106  #define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 15)
107  typedef unsigned long snd_pcm_uframes_t;
108  typedef signed long snd_pcm_sframes_t;
109  enum {
110    SNDRV_PCM_CLASS_GENERIC = 0,
111    SNDRV_PCM_CLASS_MULTI,
112    SNDRV_PCM_CLASS_MODEM,
113    SNDRV_PCM_CLASS_DIGITIZER,
114    SNDRV_PCM_CLASS_LAST = SNDRV_PCM_CLASS_DIGITIZER,
115  };
116  enum {
117    SNDRV_PCM_SUBCLASS_GENERIC_MIX = 0,
118    SNDRV_PCM_SUBCLASS_MULTI_MIX,
119    SNDRV_PCM_SUBCLASS_LAST = SNDRV_PCM_SUBCLASS_MULTI_MIX,
120  };
121  enum {
122    SNDRV_PCM_STREAM_PLAYBACK = 0,
123    SNDRV_PCM_STREAM_CAPTURE,
124    SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE,
125  };
126  typedef int __bitwise snd_pcm_access_t;
127  #define SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ((__force snd_pcm_access_t) 0)
128  #define SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ((__force snd_pcm_access_t) 1)
129  #define SNDRV_PCM_ACCESS_MMAP_COMPLEX ((__force snd_pcm_access_t) 2)
130  #define SNDRV_PCM_ACCESS_RW_INTERLEAVED ((__force snd_pcm_access_t) 3)
131  #define SNDRV_PCM_ACCESS_RW_NONINTERLEAVED ((__force snd_pcm_access_t) 4)
132  #define SNDRV_PCM_ACCESS_LAST SNDRV_PCM_ACCESS_RW_NONINTERLEAVED
133  typedef int __bitwise snd_pcm_format_t;
134  #define SNDRV_PCM_FORMAT_S8 ((__force snd_pcm_format_t) 0)
135  #define SNDRV_PCM_FORMAT_U8 ((__force snd_pcm_format_t) 1)
136  #define SNDRV_PCM_FORMAT_S16_LE ((__force snd_pcm_format_t) 2)
137  #define SNDRV_PCM_FORMAT_S16_BE ((__force snd_pcm_format_t) 3)
138  #define SNDRV_PCM_FORMAT_U16_LE ((__force snd_pcm_format_t) 4)
139  #define SNDRV_PCM_FORMAT_U16_BE ((__force snd_pcm_format_t) 5)
140  #define SNDRV_PCM_FORMAT_S24_LE ((__force snd_pcm_format_t) 6)
141  #define SNDRV_PCM_FORMAT_S24_BE ((__force snd_pcm_format_t) 7)
142  #define SNDRV_PCM_FORMAT_U24_LE ((__force snd_pcm_format_t) 8)
143  #define SNDRV_PCM_FORMAT_U24_BE ((__force snd_pcm_format_t) 9)
144  #define SNDRV_PCM_FORMAT_S32_LE ((__force snd_pcm_format_t) 10)
145  #define SNDRV_PCM_FORMAT_S32_BE ((__force snd_pcm_format_t) 11)
146  #define SNDRV_PCM_FORMAT_U32_LE ((__force snd_pcm_format_t) 12)
147  #define SNDRV_PCM_FORMAT_U32_BE ((__force snd_pcm_format_t) 13)
148  #define SNDRV_PCM_FORMAT_FLOAT_LE ((__force snd_pcm_format_t) 14)
149  #define SNDRV_PCM_FORMAT_FLOAT_BE ((__force snd_pcm_format_t) 15)
150  #define SNDRV_PCM_FORMAT_FLOAT64_LE ((__force snd_pcm_format_t) 16)
151  #define SNDRV_PCM_FORMAT_FLOAT64_BE ((__force snd_pcm_format_t) 17)
152  #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE ((__force snd_pcm_format_t) 18)
153  #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE ((__force snd_pcm_format_t) 19)
154  #define SNDRV_PCM_FORMAT_MU_LAW ((__force snd_pcm_format_t) 20)
155  #define SNDRV_PCM_FORMAT_A_LAW ((__force snd_pcm_format_t) 21)
156  #define SNDRV_PCM_FORMAT_IMA_ADPCM ((__force snd_pcm_format_t) 22)
157  #define SNDRV_PCM_FORMAT_MPEG ((__force snd_pcm_format_t) 23)
158  #define SNDRV_PCM_FORMAT_GSM ((__force snd_pcm_format_t) 24)
159  #define SNDRV_PCM_FORMAT_S20_LE ((__force snd_pcm_format_t) 25)
160  #define SNDRV_PCM_FORMAT_S20_BE ((__force snd_pcm_format_t) 26)
161  #define SNDRV_PCM_FORMAT_U20_LE ((__force snd_pcm_format_t) 27)
162  #define SNDRV_PCM_FORMAT_U20_BE ((__force snd_pcm_format_t) 28)
163  #define SNDRV_PCM_FORMAT_SPECIAL ((__force snd_pcm_format_t) 31)
164  #define SNDRV_PCM_FORMAT_S24_3LE ((__force snd_pcm_format_t) 32)
165  #define SNDRV_PCM_FORMAT_S24_3BE ((__force snd_pcm_format_t) 33)
166  #define SNDRV_PCM_FORMAT_U24_3LE ((__force snd_pcm_format_t) 34)
167  #define SNDRV_PCM_FORMAT_U24_3BE ((__force snd_pcm_format_t) 35)
168  #define SNDRV_PCM_FORMAT_S20_3LE ((__force snd_pcm_format_t) 36)
169  #define SNDRV_PCM_FORMAT_S20_3BE ((__force snd_pcm_format_t) 37)
170  #define SNDRV_PCM_FORMAT_U20_3LE ((__force snd_pcm_format_t) 38)
171  #define SNDRV_PCM_FORMAT_U20_3BE ((__force snd_pcm_format_t) 39)
172  #define SNDRV_PCM_FORMAT_S18_3LE ((__force snd_pcm_format_t) 40)
173  #define SNDRV_PCM_FORMAT_S18_3BE ((__force snd_pcm_format_t) 41)
174  #define SNDRV_PCM_FORMAT_U18_3LE ((__force snd_pcm_format_t) 42)
175  #define SNDRV_PCM_FORMAT_U18_3BE ((__force snd_pcm_format_t) 43)
176  #define SNDRV_PCM_FORMAT_G723_24 ((__force snd_pcm_format_t) 44)
177  #define SNDRV_PCM_FORMAT_G723_24_1B ((__force snd_pcm_format_t) 45)
178  #define SNDRV_PCM_FORMAT_G723_40 ((__force snd_pcm_format_t) 46)
179  #define SNDRV_PCM_FORMAT_G723_40_1B ((__force snd_pcm_format_t) 47)
180  #define SNDRV_PCM_FORMAT_DSD_U8 ((__force snd_pcm_format_t) 48)
181  #define SNDRV_PCM_FORMAT_DSD_U16_LE ((__force snd_pcm_format_t) 49)
182  #define SNDRV_PCM_FORMAT_DSD_U32_LE ((__force snd_pcm_format_t) 50)
183  #define SNDRV_PCM_FORMAT_DSD_U16_BE ((__force snd_pcm_format_t) 51)
184  #define SNDRV_PCM_FORMAT_DSD_U32_BE ((__force snd_pcm_format_t) 52)
185  #define SNDRV_PCM_FORMAT_LAST SNDRV_PCM_FORMAT_DSD_U32_BE
186  #define SNDRV_PCM_FORMAT_FIRST SNDRV_PCM_FORMAT_S8
187  #ifdef SNDRV_LITTLE_ENDIAN
188  #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_LE
189  #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_LE
190  #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_LE
191  #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_LE
192  #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_LE
193  #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_LE
194  #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_LE
195  #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_LE
196  #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE
197  #define SNDRV_PCM_FORMAT_S20 SNDRV_PCM_FORMAT_S20_LE
198  #define SNDRV_PCM_FORMAT_U20 SNDRV_PCM_FORMAT_U20_LE
199  #endif
200  #ifdef SNDRV_BIG_ENDIAN
201  #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_BE
202  #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_BE
203  #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_BE
204  #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_BE
205  #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_BE
206  #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_BE
207  #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_BE
208  #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_BE
209  #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE
210  #define SNDRV_PCM_FORMAT_S20 SNDRV_PCM_FORMAT_S20_BE
211  #define SNDRV_PCM_FORMAT_U20 SNDRV_PCM_FORMAT_U20_BE
212  #endif
213  typedef int __bitwise snd_pcm_subformat_t;
214  #define SNDRV_PCM_SUBFORMAT_STD ((__force snd_pcm_subformat_t) 0)
215  #define SNDRV_PCM_SUBFORMAT_LAST SNDRV_PCM_SUBFORMAT_STD
216  #define SNDRV_PCM_INFO_MMAP 0x00000001
217  #define SNDRV_PCM_INFO_MMAP_VALID 0x00000002
218  #define SNDRV_PCM_INFO_DOUBLE 0x00000004
219  #define SNDRV_PCM_INFO_BATCH 0x00000010
220  #define SNDRV_PCM_INFO_SYNC_APPLPTR 0x00000020
221  #define SNDRV_PCM_INFO_INTERLEAVED 0x00000100
222  #define SNDRV_PCM_INFO_NONINTERLEAVED 0x00000200
223  #define SNDRV_PCM_INFO_COMPLEX 0x00000400
224  #define SNDRV_PCM_INFO_BLOCK_TRANSFER 0x00010000
225  #define SNDRV_PCM_INFO_OVERRANGE 0x00020000
226  #define SNDRV_PCM_INFO_RESUME 0x00040000
227  #define SNDRV_PCM_INFO_PAUSE 0x00080000
228  #define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000
229  #define SNDRV_PCM_INFO_JOINT_DUPLEX 0x00200000
230  #define SNDRV_PCM_INFO_SYNC_START 0x00400000
231  #define SNDRV_PCM_INFO_NO_PERIOD_WAKEUP 0x00800000
232  #define SNDRV_PCM_INFO_HAS_WALL_CLOCK 0x01000000
233  #define SNDRV_PCM_INFO_HAS_LINK_ATIME 0x01000000
234  #define SNDRV_PCM_INFO_HAS_LINK_ABSOLUTE_ATIME 0x02000000
235  #define SNDRV_PCM_INFO_HAS_LINK_ESTIMATED_ATIME 0x04000000
236  #define SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME 0x08000000
237  #define SNDRV_PCM_INFO_DRAIN_TRIGGER 0x40000000
238  #define SNDRV_PCM_INFO_FIFO_IN_FRAMES 0x80000000
239  #if __BITS_PER_LONG == 32 && defined(__USE_TIME_BITS64)
240  #define __SND_STRUCT_TIME64
241  #endif
242  typedef int __bitwise snd_pcm_state_t;
243  #define SNDRV_PCM_STATE_OPEN ((__force snd_pcm_state_t) 0)
244  #define SNDRV_PCM_STATE_SETUP ((__force snd_pcm_state_t) 1)
245  #define SNDRV_PCM_STATE_PREPARED ((__force snd_pcm_state_t) 2)
246  #define SNDRV_PCM_STATE_RUNNING ((__force snd_pcm_state_t) 3)
247  #define SNDRV_PCM_STATE_XRUN ((__force snd_pcm_state_t) 4)
248  #define SNDRV_PCM_STATE_DRAINING ((__force snd_pcm_state_t) 5)
249  #define SNDRV_PCM_STATE_PAUSED ((__force snd_pcm_state_t) 6)
250  #define SNDRV_PCM_STATE_SUSPENDED ((__force snd_pcm_state_t) 7)
251  #define SNDRV_PCM_STATE_DISCONNECTED ((__force snd_pcm_state_t) 8)
252  #define SNDRV_PCM_STATE_LAST SNDRV_PCM_STATE_DISCONNECTED
253  enum {
254    SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000,
255    SNDRV_PCM_MMAP_OFFSET_STATUS_OLD = 0x80000000,
256    SNDRV_PCM_MMAP_OFFSET_CONTROL_OLD = 0x81000000,
257    SNDRV_PCM_MMAP_OFFSET_STATUS_NEW = 0x82000000,
258    SNDRV_PCM_MMAP_OFFSET_CONTROL_NEW = 0x83000000,
259  #ifdef __SND_STRUCT_TIME64
260    SNDRV_PCM_MMAP_OFFSET_STATUS = SNDRV_PCM_MMAP_OFFSET_STATUS_NEW,
261    SNDRV_PCM_MMAP_OFFSET_CONTROL = SNDRV_PCM_MMAP_OFFSET_CONTROL_NEW,
262  #else
263    SNDRV_PCM_MMAP_OFFSET_STATUS = SNDRV_PCM_MMAP_OFFSET_STATUS_OLD,
264    SNDRV_PCM_MMAP_OFFSET_CONTROL = SNDRV_PCM_MMAP_OFFSET_CONTROL_OLD,
265  #endif
266  };
267  union snd_pcm_sync_id {
268    unsigned char id[16];
269    unsigned short id16[8];
270    unsigned int id32[4];
271  };
272  struct snd_pcm_info {
273    unsigned int device;
274    unsigned int subdevice;
275    int stream;
276    int card;
277    unsigned char id[64];
278    unsigned char name[80];
279    unsigned char subname[32];
280    int dev_class;
281    int dev_subclass;
282    unsigned int subdevices_count;
283    unsigned int subdevices_avail;
284    union snd_pcm_sync_id sync;
285    unsigned char reserved[64];
286  };
287  typedef int snd_pcm_hw_param_t;
288  #define SNDRV_PCM_HW_PARAM_ACCESS 0
289  #define SNDRV_PCM_HW_PARAM_FORMAT 1
290  #define SNDRV_PCM_HW_PARAM_SUBFORMAT 2
291  #define SNDRV_PCM_HW_PARAM_FIRST_MASK SNDRV_PCM_HW_PARAM_ACCESS
292  #define SNDRV_PCM_HW_PARAM_LAST_MASK SNDRV_PCM_HW_PARAM_SUBFORMAT
293  #define SNDRV_PCM_HW_PARAM_SAMPLE_BITS 8
294  #define SNDRV_PCM_HW_PARAM_FRAME_BITS 9
295  #define SNDRV_PCM_HW_PARAM_CHANNELS 10
296  #define SNDRV_PCM_HW_PARAM_RATE 11
297  #define SNDRV_PCM_HW_PARAM_PERIOD_TIME 12
298  #define SNDRV_PCM_HW_PARAM_PERIOD_SIZE 13
299  #define SNDRV_PCM_HW_PARAM_PERIOD_BYTES 14
300  #define SNDRV_PCM_HW_PARAM_PERIODS 15
301  #define SNDRV_PCM_HW_PARAM_BUFFER_TIME 16
302  #define SNDRV_PCM_HW_PARAM_BUFFER_SIZE 17
303  #define SNDRV_PCM_HW_PARAM_BUFFER_BYTES 18
304  #define SNDRV_PCM_HW_PARAM_TICK_TIME 19
305  #define SNDRV_PCM_HW_PARAM_FIRST_INTERVAL SNDRV_PCM_HW_PARAM_SAMPLE_BITS
306  #define SNDRV_PCM_HW_PARAM_LAST_INTERVAL SNDRV_PCM_HW_PARAM_TICK_TIME
307  #define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1 << 0)
308  #define SNDRV_PCM_HW_PARAMS_EXPORT_BUFFER (1 << 1)
309  #define SNDRV_PCM_HW_PARAMS_NO_PERIOD_WAKEUP (1 << 2)
310  struct snd_interval {
311    unsigned int min, max;
312    unsigned int openmin : 1, openmax : 1, integer : 1, empty : 1;
313  };
314  #define SNDRV_MASK_MAX 256
315  struct snd_mask {
316    __u32 bits[(SNDRV_MASK_MAX + 31) / 32];
317  };
318  struct snd_pcm_hw_params {
319    unsigned int flags;
320    struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - SNDRV_PCM_HW_PARAM_FIRST_MASK + 1];
321    struct snd_mask mres[5];
322    struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL - SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1];
323    struct snd_interval ires[9];
324    unsigned int rmask;
325    unsigned int cmask;
326    unsigned int info;
327    unsigned int msbits;
328    unsigned int rate_num;
329    unsigned int rate_den;
330    snd_pcm_uframes_t fifo_size;
331    unsigned char reserved[64];
332  };
333  enum {
334    SNDRV_PCM_TSTAMP_NONE = 0,
335    SNDRV_PCM_TSTAMP_ENABLE,
336    SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_ENABLE,
337  };
338  struct snd_pcm_sw_params {
339    int tstamp_mode;
340    unsigned int period_step;
341    unsigned int sleep_min;
342    snd_pcm_uframes_t avail_min;
343    snd_pcm_uframes_t xfer_align;
344    snd_pcm_uframes_t start_threshold;
345    snd_pcm_uframes_t stop_threshold;
346    snd_pcm_uframes_t silence_threshold;
347    snd_pcm_uframes_t silence_size;
348    snd_pcm_uframes_t boundary;
349    unsigned int proto;
350    unsigned int tstamp_type;
351    unsigned char reserved[56];
352  };
353  struct snd_pcm_channel_info {
354    unsigned int channel;
355    __kernel_off_t offset;
356    unsigned int first;
357    unsigned int step;
358  };
359  enum {
360    SNDRV_PCM_AUDIO_TSTAMP_TYPE_COMPAT = 0,
361    SNDRV_PCM_AUDIO_TSTAMP_TYPE_DEFAULT = 1,
362    SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK = 2,
363    SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_ABSOLUTE = 3,
364    SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_ESTIMATED = 4,
365    SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_SYNCHRONIZED = 5,
366    SNDRV_PCM_AUDIO_TSTAMP_TYPE_LAST = SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_SYNCHRONIZED
367  };
368  typedef struct {
369    unsigned char pad[sizeof(time_t) - sizeof(int)];
370  } __time_pad;
371  struct snd_pcm_status {
372    snd_pcm_state_t state;
373    __time_pad pad1;
374    struct timespec trigger_tstamp;
375    struct timespec tstamp;
376    snd_pcm_uframes_t appl_ptr;
377    snd_pcm_uframes_t hw_ptr;
378    snd_pcm_sframes_t delay;
379    snd_pcm_uframes_t avail;
380    snd_pcm_uframes_t avail_max;
381    snd_pcm_uframes_t overrange;
382    snd_pcm_state_t suspended_state;
383    __u32 audio_tstamp_data;
384    struct timespec audio_tstamp;
385    struct timespec driver_tstamp;
386    __u32 audio_tstamp_accuracy;
387    unsigned char reserved[52 - 2 * sizeof(struct timespec)];
388  };
389  #ifdef __SND_STRUCT_TIME64
390  #define __snd_pcm_mmap_status64 snd_pcm_mmap_status
391  #define __snd_pcm_mmap_control64 snd_pcm_mmap_control
392  #define __snd_pcm_sync_ptr64 snd_pcm_sync_ptr
393  #define __snd_timespec64 timespec
394  struct __snd_timespec {
395    __s32 tv_sec;
396    __s32 tv_nsec;
397  };
398  #else
399  #define __snd_pcm_mmap_status snd_pcm_mmap_status
400  #define __snd_pcm_mmap_control snd_pcm_mmap_control
401  #define __snd_pcm_sync_ptr snd_pcm_sync_ptr
402  #define __snd_timespec timespec
403  struct __snd_timespec64 {
404    __s64 tv_sec;
405    __s64 tv_nsec;
406  };
407  #endif
408  struct __snd_pcm_mmap_status {
409    snd_pcm_state_t state;
410    int pad1;
411    snd_pcm_uframes_t hw_ptr;
412    struct __snd_timespec tstamp;
413    snd_pcm_state_t suspended_state;
414    struct __snd_timespec audio_tstamp;
415  };
416  struct __snd_pcm_mmap_control {
417    snd_pcm_uframes_t appl_ptr;
418    snd_pcm_uframes_t avail_min;
419  };
420  #define SNDRV_PCM_SYNC_PTR_HWSYNC (1 << 0)
421  #define SNDRV_PCM_SYNC_PTR_APPL (1 << 1)
422  #define SNDRV_PCM_SYNC_PTR_AVAIL_MIN (1 << 2)
423  struct __snd_pcm_sync_ptr {
424    unsigned int flags;
425    union {
426      struct __snd_pcm_mmap_status status;
427      unsigned char reserved[64];
428    } s;
429    union {
430      struct __snd_pcm_mmap_control control;
431      unsigned char reserved[64];
432    } c;
433  };
434  #if defined(__BYTE_ORDER) ? __BYTE_ORDER == __BIG_ENDIAN : defined(__BIG_ENDIAN)
435  typedef char __pad_before_uframe[sizeof(__u64) - sizeof(snd_pcm_uframes_t)];
436  typedef char __pad_after_uframe[0];
437  #endif
438  #if defined(__BYTE_ORDER) ? __BYTE_ORDER == __LITTLE_ENDIAN : defined(__LITTLE_ENDIAN)
439  typedef char __pad_before_uframe[0];
440  typedef char __pad_after_uframe[sizeof(__u64) - sizeof(snd_pcm_uframes_t)];
441  #endif
442  struct __snd_pcm_mmap_status64 {
443    snd_pcm_state_t state;
444    __u32 pad1;
445    __pad_before_uframe __pad1;
446    snd_pcm_uframes_t hw_ptr;
447    __pad_after_uframe __pad2;
448    struct __snd_timespec64 tstamp;
449    snd_pcm_state_t suspended_state;
450    __u32 pad3;
451    struct __snd_timespec64 audio_tstamp;
452  };
453  struct __snd_pcm_mmap_control64 {
454    __pad_before_uframe __pad1;
455    snd_pcm_uframes_t appl_ptr;
456    __pad_before_uframe __pad2;
457    __pad_before_uframe __pad3;
458    snd_pcm_uframes_t avail_min;
459    __pad_after_uframe __pad4;
460  };
461  struct __snd_pcm_sync_ptr64 {
462    __u32 flags;
463    __u32 pad1;
464    union {
465      struct __snd_pcm_mmap_status64 status;
466      unsigned char reserved[64];
467    } s;
468    union {
469      struct __snd_pcm_mmap_control64 control;
470      unsigned char reserved[64];
471    } c;
472  };
473  struct snd_xferi {
474    snd_pcm_sframes_t result;
475    void __user * buf;
476    snd_pcm_uframes_t frames;
477  };
478  struct snd_xfern {
479    snd_pcm_sframes_t result;
480    void __user * __user * bufs;
481    snd_pcm_uframes_t frames;
482  };
483  enum {
484    SNDRV_PCM_TSTAMP_TYPE_GETTIMEOFDAY = 0,
485    SNDRV_PCM_TSTAMP_TYPE_MONOTONIC,
486    SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW,
487    SNDRV_PCM_TSTAMP_TYPE_LAST = SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW,
488  };
489  enum {
490    SNDRV_CHMAP_UNKNOWN = 0,
491    SNDRV_CHMAP_NA,
492    SNDRV_CHMAP_MONO,
493    SNDRV_CHMAP_FL,
494    SNDRV_CHMAP_FR,
495    SNDRV_CHMAP_RL,
496    SNDRV_CHMAP_RR,
497    SNDRV_CHMAP_FC,
498    SNDRV_CHMAP_LFE,
499    SNDRV_CHMAP_SL,
500    SNDRV_CHMAP_SR,
501    SNDRV_CHMAP_RC,
502    SNDRV_CHMAP_FLC,
503    SNDRV_CHMAP_FRC,
504    SNDRV_CHMAP_RLC,
505    SNDRV_CHMAP_RRC,
506    SNDRV_CHMAP_FLW,
507    SNDRV_CHMAP_FRW,
508    SNDRV_CHMAP_FLH,
509    SNDRV_CHMAP_FCH,
510    SNDRV_CHMAP_FRH,
511    SNDRV_CHMAP_TC,
512    SNDRV_CHMAP_TFL,
513    SNDRV_CHMAP_TFR,
514    SNDRV_CHMAP_TFC,
515    SNDRV_CHMAP_TRL,
516    SNDRV_CHMAP_TRR,
517    SNDRV_CHMAP_TRC,
518    SNDRV_CHMAP_TFLC,
519    SNDRV_CHMAP_TFRC,
520    SNDRV_CHMAP_TSL,
521    SNDRV_CHMAP_TSR,
522    SNDRV_CHMAP_LLFE,
523    SNDRV_CHMAP_RLFE,
524    SNDRV_CHMAP_BC,
525    SNDRV_CHMAP_BLC,
526    SNDRV_CHMAP_BRC,
527    SNDRV_CHMAP_LAST = SNDRV_CHMAP_BRC,
528  };
529  #define SNDRV_CHMAP_POSITION_MASK 0xffff
530  #define SNDRV_CHMAP_PHASE_INVERSE (0x01 << 16)
531  #define SNDRV_CHMAP_DRIVER_SPEC (0x02 << 16)
532  #define SNDRV_PCM_IOCTL_PVERSION _IOR('A', 0x00, int)
533  #define SNDRV_PCM_IOCTL_INFO _IOR('A', 0x01, struct snd_pcm_info)
534  #define SNDRV_PCM_IOCTL_TSTAMP _IOW('A', 0x02, int)
535  #define SNDRV_PCM_IOCTL_TTSTAMP _IOW('A', 0x03, int)
536  #define SNDRV_PCM_IOCTL_USER_PVERSION _IOW('A', 0x04, int)
537  #define SNDRV_PCM_IOCTL_HW_REFINE _IOWR('A', 0x10, struct snd_pcm_hw_params)
538  #define SNDRV_PCM_IOCTL_HW_PARAMS _IOWR('A', 0x11, struct snd_pcm_hw_params)
539  #define SNDRV_PCM_IOCTL_HW_FREE _IO('A', 0x12)
540  #define SNDRV_PCM_IOCTL_SW_PARAMS _IOWR('A', 0x13, struct snd_pcm_sw_params)
541  #define SNDRV_PCM_IOCTL_STATUS _IOR('A', 0x20, struct snd_pcm_status)
542  #define SNDRV_PCM_IOCTL_DELAY _IOR('A', 0x21, snd_pcm_sframes_t)
543  #define SNDRV_PCM_IOCTL_HWSYNC _IO('A', 0x22)
544  #define __SNDRV_PCM_IOCTL_SYNC_PTR _IOWR('A', 0x23, struct __snd_pcm_sync_ptr)
545  #define __SNDRV_PCM_IOCTL_SYNC_PTR64 _IOWR('A', 0x23, struct __snd_pcm_sync_ptr64)
546  #define SNDRV_PCM_IOCTL_SYNC_PTR _IOWR('A', 0x23, struct snd_pcm_sync_ptr)
547  #define SNDRV_PCM_IOCTL_STATUS_EXT _IOWR('A', 0x24, struct snd_pcm_status)
548  #define SNDRV_PCM_IOCTL_CHANNEL_INFO _IOR('A', 0x32, struct snd_pcm_channel_info)
549  #define SNDRV_PCM_IOCTL_PREPARE _IO('A', 0x40)
550  #define SNDRV_PCM_IOCTL_RESET _IO('A', 0x41)
551  #define SNDRV_PCM_IOCTL_START _IO('A', 0x42)
552  #define SNDRV_PCM_IOCTL_DROP _IO('A', 0x43)
553  #define SNDRV_PCM_IOCTL_DRAIN _IO('A', 0x44)
554  #define SNDRV_PCM_IOCTL_PAUSE _IOW('A', 0x45, int)
555  #define SNDRV_PCM_IOCTL_REWIND _IOW('A', 0x46, snd_pcm_uframes_t)
556  #define SNDRV_PCM_IOCTL_RESUME _IO('A', 0x47)
557  #define SNDRV_PCM_IOCTL_XRUN _IO('A', 0x48)
558  #define SNDRV_PCM_IOCTL_FORWARD _IOW('A', 0x49, snd_pcm_uframes_t)
559  #define SNDRV_PCM_IOCTL_WRITEI_FRAMES _IOW('A', 0x50, struct snd_xferi)
560  #define SNDRV_PCM_IOCTL_READI_FRAMES _IOR('A', 0x51, struct snd_xferi)
561  #define SNDRV_PCM_IOCTL_WRITEN_FRAMES _IOW('A', 0x52, struct snd_xfern)
562  #define SNDRV_PCM_IOCTL_READN_FRAMES _IOR('A', 0x53, struct snd_xfern)
563  #define SNDRV_PCM_IOCTL_LINK _IOW('A', 0x60, int)
564  #define SNDRV_PCM_IOCTL_UNLINK _IO('A', 0x61)
565  #define SNDRV_RAWMIDI_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 1)
566  enum {
567    SNDRV_RAWMIDI_STREAM_OUTPUT = 0,
568    SNDRV_RAWMIDI_STREAM_INPUT,
569    SNDRV_RAWMIDI_STREAM_LAST = SNDRV_RAWMIDI_STREAM_INPUT,
570  };
571  #define SNDRV_RAWMIDI_INFO_OUTPUT 0x00000001
572  #define SNDRV_RAWMIDI_INFO_INPUT 0x00000002
573  #define SNDRV_RAWMIDI_INFO_DUPLEX 0x00000004
574  struct snd_rawmidi_info {
575    unsigned int device;
576    unsigned int subdevice;
577    int stream;
578    int card;
579    unsigned int flags;
580    unsigned char id[64];
581    unsigned char name[80];
582    unsigned char subname[32];
583    unsigned int subdevices_count;
584    unsigned int subdevices_avail;
585    unsigned char reserved[64];
586  };
587  struct snd_rawmidi_params {
588    int stream;
589    size_t buffer_size;
590    size_t avail_min;
591    unsigned int no_active_sensing : 1;
592    unsigned char reserved[16];
593  };
594  struct snd_rawmidi_status {
595    int stream;
596    __time_pad pad1;
597    struct timespec tstamp;
598    size_t avail;
599    size_t xruns;
600    unsigned char reserved[16];
601  };
602  #define SNDRV_RAWMIDI_IOCTL_PVERSION _IOR('W', 0x00, int)
603  #define SNDRV_RAWMIDI_IOCTL_INFO _IOR('W', 0x01, struct snd_rawmidi_info)
604  #define SNDRV_RAWMIDI_IOCTL_PARAMS _IOWR('W', 0x10, struct snd_rawmidi_params)
605  #define SNDRV_RAWMIDI_IOCTL_STATUS _IOWR('W', 0x20, struct snd_rawmidi_status)
606  #define SNDRV_RAWMIDI_IOCTL_DROP _IOW('W', 0x30, int)
607  #define SNDRV_RAWMIDI_IOCTL_DRAIN _IOW('W', 0x31, int)
608  #define SNDRV_TIMER_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 7)
609  enum {
610    SNDRV_TIMER_CLASS_NONE = - 1,
611    SNDRV_TIMER_CLASS_SLAVE = 0,
612    SNDRV_TIMER_CLASS_GLOBAL,
613    SNDRV_TIMER_CLASS_CARD,
614    SNDRV_TIMER_CLASS_PCM,
615    SNDRV_TIMER_CLASS_LAST = SNDRV_TIMER_CLASS_PCM,
616  };
617  enum {
618    SNDRV_TIMER_SCLASS_NONE = 0,
619    SNDRV_TIMER_SCLASS_APPLICATION,
620    SNDRV_TIMER_SCLASS_SEQUENCER,
621    SNDRV_TIMER_SCLASS_OSS_SEQUENCER,
622    SNDRV_TIMER_SCLASS_LAST = SNDRV_TIMER_SCLASS_OSS_SEQUENCER,
623  };
624  #define SNDRV_TIMER_GLOBAL_SYSTEM 0
625  #define SNDRV_TIMER_GLOBAL_RTC 1
626  #define SNDRV_TIMER_GLOBAL_HPET 2
627  #define SNDRV_TIMER_GLOBAL_HRTIMER 3
628  #define SNDRV_TIMER_FLG_SLAVE (1 << 0)
629  struct snd_timer_id {
630    int dev_class;
631    int dev_sclass;
632    int card;
633    int device;
634    int subdevice;
635  };
636  struct snd_timer_ginfo {
637    struct snd_timer_id tid;
638    unsigned int flags;
639    int card;
640    unsigned char id[64];
641    unsigned char name[80];
642    unsigned long reserved0;
643    unsigned long resolution;
644    unsigned long resolution_min;
645    unsigned long resolution_max;
646    unsigned int clients;
647    unsigned char reserved[32];
648  };
649  struct snd_timer_gparams {
650    struct snd_timer_id tid;
651    unsigned long period_num;
652    unsigned long period_den;
653    unsigned char reserved[32];
654  };
655  struct snd_timer_gstatus {
656    struct snd_timer_id tid;
657    unsigned long resolution;
658    unsigned long resolution_num;
659    unsigned long resolution_den;
660    unsigned char reserved[32];
661  };
662  struct snd_timer_select {
663    struct snd_timer_id id;
664    unsigned char reserved[32];
665  };
666  struct snd_timer_info {
667    unsigned int flags;
668    int card;
669    unsigned char id[64];
670    unsigned char name[80];
671    unsigned long reserved0;
672    unsigned long resolution;
673    unsigned char reserved[64];
674  };
675  #define SNDRV_TIMER_PSFLG_AUTO (1 << 0)
676  #define SNDRV_TIMER_PSFLG_EXCLUSIVE (1 << 1)
677  #define SNDRV_TIMER_PSFLG_EARLY_EVENT (1 << 2)
678  struct snd_timer_params {
679    unsigned int flags;
680    unsigned int ticks;
681    unsigned int queue_size;
682    unsigned int reserved0;
683    unsigned int filter;
684    unsigned char reserved[60];
685  };
686  struct snd_timer_status {
687    struct timespec tstamp;
688    unsigned int resolution;
689    unsigned int lost;
690    unsigned int overrun;
691    unsigned int queue;
692    unsigned char reserved[64];
693  };
694  #define SNDRV_TIMER_IOCTL_PVERSION _IOR('T', 0x00, int)
695  #define SNDRV_TIMER_IOCTL_NEXT_DEVICE _IOWR('T', 0x01, struct snd_timer_id)
696  #define SNDRV_TIMER_IOCTL_TREAD_OLD _IOW('T', 0x02, int)
697  #define SNDRV_TIMER_IOCTL_GINFO _IOWR('T', 0x03, struct snd_timer_ginfo)
698  #define SNDRV_TIMER_IOCTL_GPARAMS _IOW('T', 0x04, struct snd_timer_gparams)
699  #define SNDRV_TIMER_IOCTL_GSTATUS _IOWR('T', 0x05, struct snd_timer_gstatus)
700  #define SNDRV_TIMER_IOCTL_SELECT _IOW('T', 0x10, struct snd_timer_select)
701  #define SNDRV_TIMER_IOCTL_INFO _IOR('T', 0x11, struct snd_timer_info)
702  #define SNDRV_TIMER_IOCTL_PARAMS _IOW('T', 0x12, struct snd_timer_params)
703  #define SNDRV_TIMER_IOCTL_STATUS _IOR('T', 0x14, struct snd_timer_status)
704  #define SNDRV_TIMER_IOCTL_START _IO('T', 0xa0)
705  #define SNDRV_TIMER_IOCTL_STOP _IO('T', 0xa1)
706  #define SNDRV_TIMER_IOCTL_CONTINUE _IO('T', 0xa2)
707  #define SNDRV_TIMER_IOCTL_PAUSE _IO('T', 0xa3)
708  #define SNDRV_TIMER_IOCTL_TREAD64 _IOW('T', 0xa4, int)
709  #if __BITS_PER_LONG == 64
710  #define SNDRV_TIMER_IOCTL_TREAD SNDRV_TIMER_IOCTL_TREAD_OLD
711  #else
712  #define SNDRV_TIMER_IOCTL_TREAD ((sizeof(__kernel_long_t) >= sizeof(time_t)) ? SNDRV_TIMER_IOCTL_TREAD_OLD : SNDRV_TIMER_IOCTL_TREAD64)
713  #endif
714  struct snd_timer_read {
715    unsigned int resolution;
716    unsigned int ticks;
717  };
718  enum {
719    SNDRV_TIMER_EVENT_RESOLUTION = 0,
720    SNDRV_TIMER_EVENT_TICK,
721    SNDRV_TIMER_EVENT_START,
722    SNDRV_TIMER_EVENT_STOP,
723    SNDRV_TIMER_EVENT_CONTINUE,
724    SNDRV_TIMER_EVENT_PAUSE,
725    SNDRV_TIMER_EVENT_EARLY,
726    SNDRV_TIMER_EVENT_SUSPEND,
727    SNDRV_TIMER_EVENT_RESUME,
728    SNDRV_TIMER_EVENT_MSTART = SNDRV_TIMER_EVENT_START + 10,
729    SNDRV_TIMER_EVENT_MSTOP = SNDRV_TIMER_EVENT_STOP + 10,
730    SNDRV_TIMER_EVENT_MCONTINUE = SNDRV_TIMER_EVENT_CONTINUE + 10,
731    SNDRV_TIMER_EVENT_MPAUSE = SNDRV_TIMER_EVENT_PAUSE + 10,
732    SNDRV_TIMER_EVENT_MSUSPEND = SNDRV_TIMER_EVENT_SUSPEND + 10,
733    SNDRV_TIMER_EVENT_MRESUME = SNDRV_TIMER_EVENT_RESUME + 10,
734  };
735  struct snd_timer_tread {
736    int event;
737    __time_pad pad1;
738    struct timespec tstamp;
739    unsigned int val;
740    __time_pad pad2;
741  };
742  #define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 8)
743  struct snd_ctl_card_info {
744    int card;
745    int pad;
746    unsigned char id[16];
747    unsigned char driver[16];
748    unsigned char name[32];
749    unsigned char longname[80];
750    unsigned char reserved_[16];
751    unsigned char mixername[80];
752    unsigned char components[128];
753  };
754  typedef int __bitwise snd_ctl_elem_type_t;
755  #define SNDRV_CTL_ELEM_TYPE_NONE ((__force snd_ctl_elem_type_t) 0)
756  #define SNDRV_CTL_ELEM_TYPE_BOOLEAN ((__force snd_ctl_elem_type_t) 1)
757  #define SNDRV_CTL_ELEM_TYPE_INTEGER ((__force snd_ctl_elem_type_t) 2)
758  #define SNDRV_CTL_ELEM_TYPE_ENUMERATED ((__force snd_ctl_elem_type_t) 3)
759  #define SNDRV_CTL_ELEM_TYPE_BYTES ((__force snd_ctl_elem_type_t) 4)
760  #define SNDRV_CTL_ELEM_TYPE_IEC958 ((__force snd_ctl_elem_type_t) 5)
761  #define SNDRV_CTL_ELEM_TYPE_INTEGER64 ((__force snd_ctl_elem_type_t) 6)
762  #define SNDRV_CTL_ELEM_TYPE_LAST SNDRV_CTL_ELEM_TYPE_INTEGER64
763  typedef int __bitwise snd_ctl_elem_iface_t;
764  #define SNDRV_CTL_ELEM_IFACE_CARD ((__force snd_ctl_elem_iface_t) 0)
765  #define SNDRV_CTL_ELEM_IFACE_HWDEP ((__force snd_ctl_elem_iface_t) 1)
766  #define SNDRV_CTL_ELEM_IFACE_MIXER ((__force snd_ctl_elem_iface_t) 2)
767  #define SNDRV_CTL_ELEM_IFACE_PCM ((__force snd_ctl_elem_iface_t) 3)
768  #define SNDRV_CTL_ELEM_IFACE_RAWMIDI ((__force snd_ctl_elem_iface_t) 4)
769  #define SNDRV_CTL_ELEM_IFACE_TIMER ((__force snd_ctl_elem_iface_t) 5)
770  #define SNDRV_CTL_ELEM_IFACE_SEQUENCER ((__force snd_ctl_elem_iface_t) 6)
771  #define SNDRV_CTL_ELEM_IFACE_LAST SNDRV_CTL_ELEM_IFACE_SEQUENCER
772  #define SNDRV_CTL_ELEM_ACCESS_READ (1 << 0)
773  #define SNDRV_CTL_ELEM_ACCESS_WRITE (1 << 1)
774  #define SNDRV_CTL_ELEM_ACCESS_READWRITE (SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE)
775  #define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1 << 2)
776  #define SNDRV_CTL_ELEM_ACCESS_TLV_READ (1 << 4)
777  #define SNDRV_CTL_ELEM_ACCESS_TLV_WRITE (1 << 5)
778  #define SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE (SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_TLV_WRITE)
779  #define SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND (1 << 6)
780  #define SNDRV_CTL_ELEM_ACCESS_INACTIVE (1 << 8)
781  #define SNDRV_CTL_ELEM_ACCESS_LOCK (1 << 9)
782  #define SNDRV_CTL_ELEM_ACCESS_OWNER (1 << 10)
783  #define SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK (1 << 28)
784  #define SNDRV_CTL_ELEM_ACCESS_USER (1 << 29)
785  #define SNDRV_CTL_POWER_D0 0x0000
786  #define SNDRV_CTL_POWER_D1 0x0100
787  #define SNDRV_CTL_POWER_D2 0x0200
788  #define SNDRV_CTL_POWER_D3 0x0300
789  #define SNDRV_CTL_POWER_D3hot (SNDRV_CTL_POWER_D3 | 0x0000)
790  #define SNDRV_CTL_POWER_D3cold (SNDRV_CTL_POWER_D3 | 0x0001)
791  #define SNDRV_CTL_ELEM_ID_NAME_MAXLEN 44
792  struct snd_ctl_elem_id {
793    unsigned int numid;
794    snd_ctl_elem_iface_t iface;
795    unsigned int device;
796    unsigned int subdevice;
797    unsigned char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
798    unsigned int index;
799  };
800  struct snd_ctl_elem_list {
801    unsigned int offset;
802    unsigned int space;
803    unsigned int used;
804    unsigned int count;
805    struct snd_ctl_elem_id __user * pids;
806    unsigned char reserved[50];
807  };
808  struct snd_ctl_elem_info {
809    struct snd_ctl_elem_id id;
810    snd_ctl_elem_type_t type;
811    unsigned int access;
812    unsigned int count;
813    __kernel_pid_t owner;
814    union {
815      struct {
816        long min;
817        long max;
818        long step;
819      } integer;
820      struct {
821        long long min;
822        long long max;
823        long long step;
824      } integer64;
825      struct {
826        unsigned int items;
827        unsigned int item;
828        char name[64];
829        __u64 names_ptr;
830        unsigned int names_length;
831      } enumerated;
832      unsigned char reserved[128];
833    } value;
834    unsigned char reserved[64];
835  };
836  struct snd_ctl_elem_value {
837    struct snd_ctl_elem_id id;
838    unsigned int indirect : 1;
839    union {
840      union {
841        long value[128];
842        long * value_ptr;
843      } integer;
844      union {
845        long long value[64];
846        long long * value_ptr;
847      } integer64;
848      union {
849        unsigned int item[128];
850        unsigned int * item_ptr;
851      } enumerated;
852      union {
853        unsigned char data[512];
854        unsigned char * data_ptr;
855      } bytes;
856      struct snd_aes_iec958 iec958;
857    } value;
858    unsigned char reserved[128];
859  };
860  struct snd_ctl_tlv {
861    unsigned int numid;
862    unsigned int length;
863    unsigned int tlv[0];
864  };
865  #define SNDRV_CTL_IOCTL_PVERSION _IOR('U', 0x00, int)
866  #define SNDRV_CTL_IOCTL_CARD_INFO _IOR('U', 0x01, struct snd_ctl_card_info)
867  #define SNDRV_CTL_IOCTL_ELEM_LIST _IOWR('U', 0x10, struct snd_ctl_elem_list)
868  #define SNDRV_CTL_IOCTL_ELEM_INFO _IOWR('U', 0x11, struct snd_ctl_elem_info)
869  #define SNDRV_CTL_IOCTL_ELEM_READ _IOWR('U', 0x12, struct snd_ctl_elem_value)
870  #define SNDRV_CTL_IOCTL_ELEM_WRITE _IOWR('U', 0x13, struct snd_ctl_elem_value)
871  #define SNDRV_CTL_IOCTL_ELEM_LOCK _IOW('U', 0x14, struct snd_ctl_elem_id)
872  #define SNDRV_CTL_IOCTL_ELEM_UNLOCK _IOW('U', 0x15, struct snd_ctl_elem_id)
873  #define SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS _IOWR('U', 0x16, int)
874  #define SNDRV_CTL_IOCTL_ELEM_ADD _IOWR('U', 0x17, struct snd_ctl_elem_info)
875  #define SNDRV_CTL_IOCTL_ELEM_REPLACE _IOWR('U', 0x18, struct snd_ctl_elem_info)
876  #define SNDRV_CTL_IOCTL_ELEM_REMOVE _IOWR('U', 0x19, struct snd_ctl_elem_id)
877  #define SNDRV_CTL_IOCTL_TLV_READ _IOWR('U', 0x1a, struct snd_ctl_tlv)
878  #define SNDRV_CTL_IOCTL_TLV_WRITE _IOWR('U', 0x1b, struct snd_ctl_tlv)
879  #define SNDRV_CTL_IOCTL_TLV_COMMAND _IOWR('U', 0x1c, struct snd_ctl_tlv)
880  #define SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE _IOWR('U', 0x20, int)
881  #define SNDRV_CTL_IOCTL_HWDEP_INFO _IOR('U', 0x21, struct snd_hwdep_info)
882  #define SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE _IOR('U', 0x30, int)
883  #define SNDRV_CTL_IOCTL_PCM_INFO _IOWR('U', 0x31, struct snd_pcm_info)
884  #define SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE _IOW('U', 0x32, int)
885  #define SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE _IOWR('U', 0x40, int)
886  #define SNDRV_CTL_IOCTL_RAWMIDI_INFO _IOWR('U', 0x41, struct snd_rawmidi_info)
887  #define SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE _IOW('U', 0x42, int)
888  #define SNDRV_CTL_IOCTL_POWER _IOWR('U', 0xd0, int)
889  #define SNDRV_CTL_IOCTL_POWER_STATE _IOR('U', 0xd1, int)
890  enum sndrv_ctl_event_type {
891    SNDRV_CTL_EVENT_ELEM = 0,
892    SNDRV_CTL_EVENT_LAST = SNDRV_CTL_EVENT_ELEM,
893  };
894  #define SNDRV_CTL_EVENT_MASK_VALUE (1 << 0)
895  #define SNDRV_CTL_EVENT_MASK_INFO (1 << 1)
896  #define SNDRV_CTL_EVENT_MASK_ADD (1 << 2)
897  #define SNDRV_CTL_EVENT_MASK_TLV (1 << 3)
898  #define SNDRV_CTL_EVENT_MASK_REMOVE (~0U)
899  struct snd_ctl_event {
900    int type;
901    union {
902      struct {
903        unsigned int mask;
904        struct snd_ctl_elem_id id;
905      } elem;
906      unsigned char data8[60];
907    } data;
908  };
909  #define SNDRV_CTL_NAME_NONE ""
910  #define SNDRV_CTL_NAME_PLAYBACK "Playback "
911  #define SNDRV_CTL_NAME_CAPTURE "Capture "
912  #define SNDRV_CTL_NAME_IEC958_NONE ""
913  #define SNDRV_CTL_NAME_IEC958_SWITCH "Switch"
914  #define SNDRV_CTL_NAME_IEC958_VOLUME "Volume"
915  #define SNDRV_CTL_NAME_IEC958_DEFAULT "Default"
916  #define SNDRV_CTL_NAME_IEC958_MASK "Mask"
917  #define SNDRV_CTL_NAME_IEC958_CON_MASK "Con Mask"
918  #define SNDRV_CTL_NAME_IEC958_PRO_MASK "Pro Mask"
919  #define SNDRV_CTL_NAME_IEC958_PCM_STREAM "PCM Stream"
920  #define SNDRV_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SNDRV_CTL_NAME_ ##direction SNDRV_CTL_NAME_IEC958_ ##what
921  #endif
922