1 | /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ |
2 | /* |
3 | * Advanced Linux Sound Architecture - ALSA - Driver |
4 | * Copyright (c) 1994-2003 by Jaroslav Kysela <perex@perex.cz>, |
5 | * Abramo Bagnara <abramo@alsa-project.org> |
6 | */ |
7 | |
8 | #ifndef _UAPI__SOUND_ASOUND_H |
9 | #define _UAPI__SOUND_ASOUND_H |
10 | |
11 | #if defined(__KERNEL__) || defined(__linux__) |
12 | #include <linux/types.h> |
13 | #include <asm/byteorder.h> |
14 | #else |
15 | #include <endian.h> |
16 | #include <sys/ioctl.h> |
17 | #endif |
18 | |
19 | #ifndef __KERNEL__ |
20 | #include <stdlib.h> |
21 | #include <time.h> |
22 | #endif |
23 | |
24 | /* |
25 | * protocol version |
26 | */ |
27 | |
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) \ |
33 | (SNDRV_PROTOCOL_MAJOR(kversion) != SNDRV_PROTOCOL_MAJOR(uversion) || \ |
34 | (SNDRV_PROTOCOL_MAJOR(kversion) == SNDRV_PROTOCOL_MAJOR(uversion) && \ |
35 | SNDRV_PROTOCOL_MINOR(kversion) != SNDRV_PROTOCOL_MINOR(uversion))) |
36 | |
37 | /**************************************************************************** |
38 | * * |
39 | * Digital audio interface * |
40 | * * |
41 | ****************************************************************************/ |
42 | |
43 | #define AES_IEC958_STATUS_SIZE 24 |
44 | |
45 | struct snd_aes_iec958 { |
46 | unsigned char status[AES_IEC958_STATUS_SIZE]; /* AES/IEC958 channel status bits */ |
47 | unsigned char subcode[147]; /* AES/IEC958 subcode bits */ |
48 | unsigned char pad; /* nothing */ |
49 | unsigned char dig_subframe[4]; /* AES/IEC958 subframe bits */ |
50 | }; |
51 | |
52 | /**************************************************************************** |
53 | * * |
54 | * CEA-861 Audio InfoFrame. Used in HDMI and DisplayPort * |
55 | * * |
56 | ****************************************************************************/ |
57 | |
58 | struct snd_cea_861_aud_if { |
59 | unsigned char db1_ct_cc; /* coding type and channel count */ |
60 | unsigned char db2_sf_ss; /* sample frequency and size */ |
61 | unsigned char db3; /* not used, all zeros */ |
62 | unsigned char db4_ca; /* channel allocation code */ |
63 | unsigned char db5_dminh_lsv; /* downmix inhibit & level-shit values */ |
64 | }; |
65 | |
66 | /**************************************************************************** |
67 | * * |
68 | * Section for driver hardware dependent interface - /dev/snd/hw? * |
69 | * * |
70 | ****************************************************************************/ |
71 | |
72 | #define SNDRV_HWDEP_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1) |
73 | |
74 | enum { |
75 | SNDRV_HWDEP_IFACE_OPL2 = 0, |
76 | SNDRV_HWDEP_IFACE_OPL3, |
77 | SNDRV_HWDEP_IFACE_OPL4, |
78 | SNDRV_HWDEP_IFACE_SB16CSP, /* Creative Signal Processor */ |
79 | SNDRV_HWDEP_IFACE_EMU10K1, /* FX8010 processor in EMU10K1 chip */ |
80 | SNDRV_HWDEP_IFACE_YSS225, /* Yamaha FX processor */ |
81 | SNDRV_HWDEP_IFACE_ICS2115, /* Wavetable synth */ |
82 | SNDRV_HWDEP_IFACE_SSCAPE, /* Ensoniq SoundScape ISA card (MC68EC000) */ |
83 | SNDRV_HWDEP_IFACE_VX, /* Digigram VX cards */ |
84 | SNDRV_HWDEP_IFACE_MIXART, /* Digigram miXart cards */ |
85 | SNDRV_HWDEP_IFACE_USX2Y, /* Tascam US122, US224 & US428 usb */ |
86 | SNDRV_HWDEP_IFACE_EMUX_WAVETABLE, /* EmuX wavetable */ |
87 | SNDRV_HWDEP_IFACE_BLUETOOTH, /* Bluetooth audio */ |
88 | SNDRV_HWDEP_IFACE_USX2Y_PCM, /* Tascam US122, US224 & US428 rawusb pcm */ |
89 | SNDRV_HWDEP_IFACE_PCXHR, /* Digigram PCXHR */ |
90 | SNDRV_HWDEP_IFACE_SB_RC, /* SB Extigy/Audigy2NX remote control */ |
91 | SNDRV_HWDEP_IFACE_HDA, /* HD-audio */ |
92 | SNDRV_HWDEP_IFACE_USB_STREAM, /* direct access to usb stream */ |
93 | SNDRV_HWDEP_IFACE_FW_DICE, /* TC DICE FireWire device */ |
94 | SNDRV_HWDEP_IFACE_FW_FIREWORKS, /* Echo Audio Fireworks based device */ |
95 | SNDRV_HWDEP_IFACE_FW_BEBOB, /* BridgeCo BeBoB based device */ |
96 | SNDRV_HWDEP_IFACE_FW_OXFW, /* Oxford OXFW970/971 based device */ |
97 | SNDRV_HWDEP_IFACE_FW_DIGI00X, /* Digidesign Digi 002/003 family */ |
98 | SNDRV_HWDEP_IFACE_FW_TASCAM, /* TASCAM FireWire series */ |
99 | SNDRV_HWDEP_IFACE_LINE6, /* Line6 USB processors */ |
100 | SNDRV_HWDEP_IFACE_FW_MOTU, /* MOTU FireWire series */ |
101 | SNDRV_HWDEP_IFACE_FW_FIREFACE, /* RME Fireface series */ |
102 | |
103 | /* Don't forget to change the following: */ |
104 | SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_FW_FIREFACE |
105 | }; |
106 | |
107 | struct snd_hwdep_info { |
108 | unsigned int device; /* WR: device number */ |
109 | int card; /* R: card number */ |
110 | unsigned char id[64]; /* ID (user selectable) */ |
111 | unsigned char name[80]; /* hwdep name */ |
112 | int iface; /* hwdep interface */ |
113 | unsigned char reserved[64]; /* reserved for future */ |
114 | }; |
115 | |
116 | /* generic DSP loader */ |
117 | struct snd_hwdep_dsp_status { |
118 | unsigned int version; /* R: driver-specific version */ |
119 | unsigned char id[32]; /* R: driver-specific ID string */ |
120 | unsigned int num_dsps; /* R: number of DSP images to transfer */ |
121 | unsigned int dsp_loaded; /* R: bit flags indicating the loaded DSPs */ |
122 | unsigned int chip_ready; /* R: 1 = initialization finished */ |
123 | unsigned char reserved[16]; /* reserved for future use */ |
124 | }; |
125 | |
126 | struct snd_hwdep_dsp_image { |
127 | unsigned int index; /* W: DSP index */ |
128 | unsigned char name[64]; /* W: ID (e.g. file name) */ |
129 | unsigned char __user *image; /* W: binary image */ |
130 | size_t length; /* W: size of image in bytes */ |
131 | unsigned long driver_data; /* W: driver-specific data */ |
132 | }; |
133 | |
134 | #define SNDRV_HWDEP_IOCTL_PVERSION _IOR ('H', 0x00, int) |
135 | #define SNDRV_HWDEP_IOCTL_INFO _IOR ('H', 0x01, struct snd_hwdep_info) |
136 | #define SNDRV_HWDEP_IOCTL_DSP_STATUS _IOR('H', 0x02, struct snd_hwdep_dsp_status) |
137 | #define SNDRV_HWDEP_IOCTL_DSP_LOAD _IOW('H', 0x03, struct snd_hwdep_dsp_image) |
138 | |
139 | /***************************************************************************** |
140 | * * |
141 | * Digital Audio (PCM) interface - /dev/snd/pcm?? * |
142 | * * |
143 | *****************************************************************************/ |
144 | |
145 | #define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 15) |
146 | |
147 | typedef unsigned long snd_pcm_uframes_t; |
148 | typedef signed long snd_pcm_sframes_t; |
149 | |
150 | enum { |
151 | SNDRV_PCM_CLASS_GENERIC = 0, /* standard mono or stereo device */ |
152 | SNDRV_PCM_CLASS_MULTI, /* multichannel device */ |
153 | SNDRV_PCM_CLASS_MODEM, /* software modem class */ |
154 | SNDRV_PCM_CLASS_DIGITIZER, /* digitizer class */ |
155 | /* Don't forget to change the following: */ |
156 | SNDRV_PCM_CLASS_LAST = SNDRV_PCM_CLASS_DIGITIZER, |
157 | }; |
158 | |
159 | enum { |
160 | SNDRV_PCM_SUBCLASS_GENERIC_MIX = 0, /* mono or stereo subdevices are mixed together */ |
161 | SNDRV_PCM_SUBCLASS_MULTI_MIX, /* multichannel subdevices are mixed together */ |
162 | /* Don't forget to change the following: */ |
163 | SNDRV_PCM_SUBCLASS_LAST = SNDRV_PCM_SUBCLASS_MULTI_MIX, |
164 | }; |
165 | |
166 | enum { |
167 | SNDRV_PCM_STREAM_PLAYBACK = 0, |
168 | SNDRV_PCM_STREAM_CAPTURE, |
169 | SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE, |
170 | }; |
171 | |
172 | typedef int __bitwise snd_pcm_access_t; |
173 | #define SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ((__force snd_pcm_access_t) 0) /* interleaved mmap */ |
174 | #define SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ((__force snd_pcm_access_t) 1) /* noninterleaved mmap */ |
175 | #define SNDRV_PCM_ACCESS_MMAP_COMPLEX ((__force snd_pcm_access_t) 2) /* complex mmap */ |
176 | #define SNDRV_PCM_ACCESS_RW_INTERLEAVED ((__force snd_pcm_access_t) 3) /* readi/writei */ |
177 | #define SNDRV_PCM_ACCESS_RW_NONINTERLEAVED ((__force snd_pcm_access_t) 4) /* readn/writen */ |
178 | #define SNDRV_PCM_ACCESS_LAST SNDRV_PCM_ACCESS_RW_NONINTERLEAVED |
179 | |
180 | typedef int __bitwise snd_pcm_format_t; |
181 | #define SNDRV_PCM_FORMAT_S8 ((__force snd_pcm_format_t) 0) |
182 | #define SNDRV_PCM_FORMAT_U8 ((__force snd_pcm_format_t) 1) |
183 | #define SNDRV_PCM_FORMAT_S16_LE ((__force snd_pcm_format_t) 2) |
184 | #define SNDRV_PCM_FORMAT_S16_BE ((__force snd_pcm_format_t) 3) |
185 | #define SNDRV_PCM_FORMAT_U16_LE ((__force snd_pcm_format_t) 4) |
186 | #define SNDRV_PCM_FORMAT_U16_BE ((__force snd_pcm_format_t) 5) |
187 | #define SNDRV_PCM_FORMAT_S24_LE ((__force snd_pcm_format_t) 6) /* low three bytes */ |
188 | #define SNDRV_PCM_FORMAT_S24_BE ((__force snd_pcm_format_t) 7) /* low three bytes */ |
189 | #define SNDRV_PCM_FORMAT_U24_LE ((__force snd_pcm_format_t) 8) /* low three bytes */ |
190 | #define SNDRV_PCM_FORMAT_U24_BE ((__force snd_pcm_format_t) 9) /* low three bytes */ |
191 | /* |
192 | * For S32/U32 formats, 'msbits' hardware parameter is often used to deliver information about the |
193 | * available bit count in most significant bit. It's for the case of so-called 'left-justified' or |
194 | * `right-padding` sample which has less width than 32 bit. |
195 | */ |
196 | #define SNDRV_PCM_FORMAT_S32_LE ((__force snd_pcm_format_t) 10) |
197 | #define SNDRV_PCM_FORMAT_S32_BE ((__force snd_pcm_format_t) 11) |
198 | #define SNDRV_PCM_FORMAT_U32_LE ((__force snd_pcm_format_t) 12) |
199 | #define SNDRV_PCM_FORMAT_U32_BE ((__force snd_pcm_format_t) 13) |
200 | #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 */ |
201 | #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 */ |
202 | #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 */ |
203 | #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 */ |
204 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE ((__force snd_pcm_format_t) 18) /* IEC-958 subframe, Little Endian */ |
205 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE ((__force snd_pcm_format_t) 19) /* IEC-958 subframe, Big Endian */ |
206 | #define SNDRV_PCM_FORMAT_MU_LAW ((__force snd_pcm_format_t) 20) |
207 | #define SNDRV_PCM_FORMAT_A_LAW ((__force snd_pcm_format_t) 21) |
208 | #define SNDRV_PCM_FORMAT_IMA_ADPCM ((__force snd_pcm_format_t) 22) |
209 | #define SNDRV_PCM_FORMAT_MPEG ((__force snd_pcm_format_t) 23) |
210 | #define SNDRV_PCM_FORMAT_GSM ((__force snd_pcm_format_t) 24) |
211 | #define SNDRV_PCM_FORMAT_S20_LE ((__force snd_pcm_format_t) 25) /* in four bytes, LSB justified */ |
212 | #define SNDRV_PCM_FORMAT_S20_BE ((__force snd_pcm_format_t) 26) /* in four bytes, LSB justified */ |
213 | #define SNDRV_PCM_FORMAT_U20_LE ((__force snd_pcm_format_t) 27) /* in four bytes, LSB justified */ |
214 | #define SNDRV_PCM_FORMAT_U20_BE ((__force snd_pcm_format_t) 28) /* in four bytes, LSB justified */ |
215 | /* gap in the numbering for a future standard linear format */ |
216 | #define SNDRV_PCM_FORMAT_SPECIAL ((__force snd_pcm_format_t) 31) |
217 | #define SNDRV_PCM_FORMAT_S24_3LE ((__force snd_pcm_format_t) 32) /* in three bytes */ |
218 | #define SNDRV_PCM_FORMAT_S24_3BE ((__force snd_pcm_format_t) 33) /* in three bytes */ |
219 | #define SNDRV_PCM_FORMAT_U24_3LE ((__force snd_pcm_format_t) 34) /* in three bytes */ |
220 | #define SNDRV_PCM_FORMAT_U24_3BE ((__force snd_pcm_format_t) 35) /* in three bytes */ |
221 | #define SNDRV_PCM_FORMAT_S20_3LE ((__force snd_pcm_format_t) 36) /* in three bytes */ |
222 | #define SNDRV_PCM_FORMAT_S20_3BE ((__force snd_pcm_format_t) 37) /* in three bytes */ |
223 | #define SNDRV_PCM_FORMAT_U20_3LE ((__force snd_pcm_format_t) 38) /* in three bytes */ |
224 | #define SNDRV_PCM_FORMAT_U20_3BE ((__force snd_pcm_format_t) 39) /* in three bytes */ |
225 | #define SNDRV_PCM_FORMAT_S18_3LE ((__force snd_pcm_format_t) 40) /* in three bytes */ |
226 | #define SNDRV_PCM_FORMAT_S18_3BE ((__force snd_pcm_format_t) 41) /* in three bytes */ |
227 | #define SNDRV_PCM_FORMAT_U18_3LE ((__force snd_pcm_format_t) 42) /* in three bytes */ |
228 | #define SNDRV_PCM_FORMAT_U18_3BE ((__force snd_pcm_format_t) 43) /* in three bytes */ |
229 | #define SNDRV_PCM_FORMAT_G723_24 ((__force snd_pcm_format_t) 44) /* 8 samples in 3 bytes */ |
230 | #define SNDRV_PCM_FORMAT_G723_24_1B ((__force snd_pcm_format_t) 45) /* 1 sample in 1 byte */ |
231 | #define SNDRV_PCM_FORMAT_G723_40 ((__force snd_pcm_format_t) 46) /* 8 Samples in 5 bytes */ |
232 | #define SNDRV_PCM_FORMAT_G723_40_1B ((__force snd_pcm_format_t) 47) /* 1 sample in 1 byte */ |
233 | #define SNDRV_PCM_FORMAT_DSD_U8 ((__force snd_pcm_format_t) 48) /* DSD, 1-byte samples DSD (x8) */ |
234 | #define SNDRV_PCM_FORMAT_DSD_U16_LE ((__force snd_pcm_format_t) 49) /* DSD, 2-byte samples DSD (x16), little endian */ |
235 | #define SNDRV_PCM_FORMAT_DSD_U32_LE ((__force snd_pcm_format_t) 50) /* DSD, 4-byte samples DSD (x32), little endian */ |
236 | #define SNDRV_PCM_FORMAT_DSD_U16_BE ((__force snd_pcm_format_t) 51) /* DSD, 2-byte samples DSD (x16), big endian */ |
237 | #define SNDRV_PCM_FORMAT_DSD_U32_BE ((__force snd_pcm_format_t) 52) /* DSD, 4-byte samples DSD (x32), big endian */ |
238 | #define SNDRV_PCM_FORMAT_LAST SNDRV_PCM_FORMAT_DSD_U32_BE |
239 | #define SNDRV_PCM_FORMAT_FIRST SNDRV_PCM_FORMAT_S8 |
240 | |
241 | #ifdef SNDRV_LITTLE_ENDIAN |
242 | #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_LE |
243 | #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_LE |
244 | #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_LE |
245 | #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_LE |
246 | #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_LE |
247 | #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_LE |
248 | #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_LE |
249 | #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_LE |
250 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE |
251 | #define SNDRV_PCM_FORMAT_S20 SNDRV_PCM_FORMAT_S20_LE |
252 | #define SNDRV_PCM_FORMAT_U20 SNDRV_PCM_FORMAT_U20_LE |
253 | #endif |
254 | #ifdef SNDRV_BIG_ENDIAN |
255 | #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_BE |
256 | #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_BE |
257 | #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_BE |
258 | #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_BE |
259 | #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_BE |
260 | #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_BE |
261 | #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_BE |
262 | #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_BE |
263 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE |
264 | #define SNDRV_PCM_FORMAT_S20 SNDRV_PCM_FORMAT_S20_BE |
265 | #define SNDRV_PCM_FORMAT_U20 SNDRV_PCM_FORMAT_U20_BE |
266 | #endif |
267 | |
268 | typedef int __bitwise snd_pcm_subformat_t; |
269 | #define SNDRV_PCM_SUBFORMAT_STD ((__force snd_pcm_subformat_t) 0) |
270 | #define SNDRV_PCM_SUBFORMAT_LAST SNDRV_PCM_SUBFORMAT_STD |
271 | |
272 | #define SNDRV_PCM_INFO_MMAP 0x00000001 /* hardware supports mmap */ |
273 | #define SNDRV_PCM_INFO_MMAP_VALID 0x00000002 /* period data are valid during transfer */ |
274 | #define SNDRV_PCM_INFO_DOUBLE 0x00000004 /* Double buffering needed for PCM start/stop */ |
275 | #define SNDRV_PCM_INFO_BATCH 0x00000010 /* double buffering */ |
276 | #define SNDRV_PCM_INFO_SYNC_APPLPTR 0x00000020 /* need the explicit sync of appl_ptr update */ |
277 | #define SNDRV_PCM_INFO_PERFECT_DRAIN 0x00000040 /* silencing at the end of stream is not required */ |
278 | #define SNDRV_PCM_INFO_INTERLEAVED 0x00000100 /* channels are interleaved */ |
279 | #define SNDRV_PCM_INFO_NONINTERLEAVED 0x00000200 /* channels are not interleaved */ |
280 | #define SNDRV_PCM_INFO_COMPLEX 0x00000400 /* complex frame organization (mmap only) */ |
281 | #define SNDRV_PCM_INFO_BLOCK_TRANSFER 0x00010000 /* hardware transfer block of samples */ |
282 | #define SNDRV_PCM_INFO_OVERRANGE 0x00020000 /* hardware supports ADC (capture) overrange detection */ |
283 | #define SNDRV_PCM_INFO_RESUME 0x00040000 /* hardware supports stream resume after suspend */ |
284 | #define SNDRV_PCM_INFO_PAUSE 0x00080000 /* pause ioctl is supported */ |
285 | #define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000 /* only half duplex */ |
286 | #define SNDRV_PCM_INFO_JOINT_DUPLEX 0x00200000 /* playback and capture stream are somewhat correlated */ |
287 | #define SNDRV_PCM_INFO_SYNC_START 0x00400000 /* pcm support some kind of sync go */ |
288 | #define SNDRV_PCM_INFO_NO_PERIOD_WAKEUP 0x00800000 /* period wakeup can be disabled */ |
289 | #define SNDRV_PCM_INFO_HAS_WALL_CLOCK 0x01000000 /* (Deprecated)has audio wall clock for audio/system time sync */ |
290 | #define SNDRV_PCM_INFO_HAS_LINK_ATIME 0x01000000 /* report hardware link audio time, reset on startup */ |
291 | #define SNDRV_PCM_INFO_HAS_LINK_ABSOLUTE_ATIME 0x02000000 /* report absolute hardware link audio time, not reset on startup */ |
292 | #define SNDRV_PCM_INFO_HAS_LINK_ESTIMATED_ATIME 0x04000000 /* report estimated link audio time */ |
293 | #define SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME 0x08000000 /* report synchronized audio/system time */ |
294 | #define SNDRV_PCM_INFO_EXPLICIT_SYNC 0x10000000 /* needs explicit sync of pointers and data */ |
295 | #define SNDRV_PCM_INFO_NO_REWINDS 0x20000000 /* hardware can only support monotonic changes of appl_ptr */ |
296 | #define SNDRV_PCM_INFO_DRAIN_TRIGGER 0x40000000 /* internal kernel flag - trigger in drain */ |
297 | #define SNDRV_PCM_INFO_FIFO_IN_FRAMES 0x80000000 /* internal kernel flag - FIFO size is in frames */ |
298 | |
299 | #if (__BITS_PER_LONG == 32 && defined(__USE_TIME_BITS64)) || defined __KERNEL__ |
300 | #define __SND_STRUCT_TIME64 |
301 | #endif |
302 | |
303 | typedef int __bitwise snd_pcm_state_t; |
304 | #define SNDRV_PCM_STATE_OPEN ((__force snd_pcm_state_t) 0) /* stream is open */ |
305 | #define SNDRV_PCM_STATE_SETUP ((__force snd_pcm_state_t) 1) /* stream has a setup */ |
306 | #define SNDRV_PCM_STATE_PREPARED ((__force snd_pcm_state_t) 2) /* stream is ready to start */ |
307 | #define SNDRV_PCM_STATE_RUNNING ((__force snd_pcm_state_t) 3) /* stream is running */ |
308 | #define SNDRV_PCM_STATE_XRUN ((__force snd_pcm_state_t) 4) /* stream reached an xrun */ |
309 | #define SNDRV_PCM_STATE_DRAINING ((__force snd_pcm_state_t) 5) /* stream is draining */ |
310 | #define SNDRV_PCM_STATE_PAUSED ((__force snd_pcm_state_t) 6) /* stream is paused */ |
311 | #define SNDRV_PCM_STATE_SUSPENDED ((__force snd_pcm_state_t) 7) /* hardware is suspended */ |
312 | #define SNDRV_PCM_STATE_DISCONNECTED ((__force snd_pcm_state_t) 8) /* hardware is disconnected */ |
313 | #define SNDRV_PCM_STATE_LAST SNDRV_PCM_STATE_DISCONNECTED |
314 | |
315 | enum { |
316 | SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000, |
317 | SNDRV_PCM_MMAP_OFFSET_STATUS_OLD = 0x80000000, |
318 | SNDRV_PCM_MMAP_OFFSET_CONTROL_OLD = 0x81000000, |
319 | SNDRV_PCM_MMAP_OFFSET_STATUS_NEW = 0x82000000, |
320 | SNDRV_PCM_MMAP_OFFSET_CONTROL_NEW = 0x83000000, |
321 | #ifdef __SND_STRUCT_TIME64 |
322 | SNDRV_PCM_MMAP_OFFSET_STATUS = SNDRV_PCM_MMAP_OFFSET_STATUS_NEW, |
323 | SNDRV_PCM_MMAP_OFFSET_CONTROL = SNDRV_PCM_MMAP_OFFSET_CONTROL_NEW, |
324 | #else |
325 | SNDRV_PCM_MMAP_OFFSET_STATUS = SNDRV_PCM_MMAP_OFFSET_STATUS_OLD, |
326 | SNDRV_PCM_MMAP_OFFSET_CONTROL = SNDRV_PCM_MMAP_OFFSET_CONTROL_OLD, |
327 | #endif |
328 | }; |
329 | |
330 | union snd_pcm_sync_id { |
331 | unsigned char id[16]; |
332 | unsigned short id16[8]; |
333 | unsigned int id32[4]; |
334 | }; |
335 | |
336 | struct snd_pcm_info { |
337 | unsigned int device; /* RO/WR (control): device number */ |
338 | unsigned int subdevice; /* RO/WR (control): subdevice number */ |
339 | int stream; /* RO/WR (control): stream direction */ |
340 | int card; /* R: card number */ |
341 | unsigned char id[64]; /* ID (user selectable) */ |
342 | unsigned char name[80]; /* name of this device */ |
343 | unsigned char subname[32]; /* subdevice name */ |
344 | int dev_class; /* SNDRV_PCM_CLASS_* */ |
345 | int dev_subclass; /* SNDRV_PCM_SUBCLASS_* */ |
346 | unsigned int subdevices_count; |
347 | unsigned int subdevices_avail; |
348 | union snd_pcm_sync_id sync; /* hardware synchronization ID */ |
349 | unsigned char reserved[64]; /* reserved for future... */ |
350 | }; |
351 | |
352 | typedef int snd_pcm_hw_param_t; |
353 | #define SNDRV_PCM_HW_PARAM_ACCESS 0 /* Access type */ |
354 | #define SNDRV_PCM_HW_PARAM_FORMAT 1 /* Format */ |
355 | #define SNDRV_PCM_HW_PARAM_SUBFORMAT 2 /* Subformat */ |
356 | #define SNDRV_PCM_HW_PARAM_FIRST_MASK SNDRV_PCM_HW_PARAM_ACCESS |
357 | #define SNDRV_PCM_HW_PARAM_LAST_MASK SNDRV_PCM_HW_PARAM_SUBFORMAT |
358 | |
359 | #define SNDRV_PCM_HW_PARAM_SAMPLE_BITS 8 /* Bits per sample */ |
360 | #define SNDRV_PCM_HW_PARAM_FRAME_BITS 9 /* Bits per frame */ |
361 | #define SNDRV_PCM_HW_PARAM_CHANNELS 10 /* Channels */ |
362 | #define SNDRV_PCM_HW_PARAM_RATE 11 /* Approx rate */ |
363 | #define SNDRV_PCM_HW_PARAM_PERIOD_TIME 12 /* Approx distance between |
364 | * interrupts in us |
365 | */ |
366 | #define SNDRV_PCM_HW_PARAM_PERIOD_SIZE 13 /* Approx frames between |
367 | * interrupts |
368 | */ |
369 | #define SNDRV_PCM_HW_PARAM_PERIOD_BYTES 14 /* Approx bytes between |
370 | * interrupts |
371 | */ |
372 | #define SNDRV_PCM_HW_PARAM_PERIODS 15 /* Approx interrupts per |
373 | * buffer |
374 | */ |
375 | #define SNDRV_PCM_HW_PARAM_BUFFER_TIME 16 /* Approx duration of buffer |
376 | * in us |
377 | */ |
378 | #define SNDRV_PCM_HW_PARAM_BUFFER_SIZE 17 /* Size of buffer in frames */ |
379 | #define SNDRV_PCM_HW_PARAM_BUFFER_BYTES 18 /* Size of buffer in bytes */ |
380 | #define SNDRV_PCM_HW_PARAM_TICK_TIME 19 /* Approx tick duration in us */ |
381 | #define SNDRV_PCM_HW_PARAM_FIRST_INTERVAL SNDRV_PCM_HW_PARAM_SAMPLE_BITS |
382 | #define SNDRV_PCM_HW_PARAM_LAST_INTERVAL SNDRV_PCM_HW_PARAM_TICK_TIME |
383 | |
384 | #define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1<<0) /* avoid rate resampling */ |
385 | #define SNDRV_PCM_HW_PARAMS_EXPORT_BUFFER (1<<1) /* export buffer */ |
386 | #define SNDRV_PCM_HW_PARAMS_NO_PERIOD_WAKEUP (1<<2) /* disable period wakeups */ |
387 | #define SNDRV_PCM_HW_PARAMS_NO_DRAIN_SILENCE (1<<3) /* suppress drain with the filling |
388 | * of the silence samples |
389 | */ |
390 | |
391 | struct snd_interval { |
392 | unsigned int min, max; |
393 | unsigned int openmin:1, |
394 | openmax:1, |
395 | integer:1, |
396 | empty:1; |
397 | }; |
398 | |
399 | #define SNDRV_MASK_MAX 256 |
400 | |
401 | struct snd_mask { |
402 | __u32 bits[(SNDRV_MASK_MAX+31)/32]; |
403 | }; |
404 | |
405 | struct snd_pcm_hw_params { |
406 | unsigned int flags; |
407 | struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - |
408 | SNDRV_PCM_HW_PARAM_FIRST_MASK + 1]; |
409 | struct snd_mask mres[5]; /* reserved masks */ |
410 | struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL - |
411 | SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1]; |
412 | struct snd_interval ires[9]; /* reserved intervals */ |
413 | unsigned int rmask; /* W: requested masks */ |
414 | unsigned int cmask; /* R: changed masks */ |
415 | unsigned int info; /* R: Info flags for returned setup */ |
416 | unsigned int msbits; /* R: used most significant bits */ |
417 | unsigned int rate_num; /* R: rate numerator */ |
418 | unsigned int rate_den; /* R: rate denominator */ |
419 | snd_pcm_uframes_t fifo_size; /* R: chip FIFO size in frames */ |
420 | unsigned char reserved[64]; /* reserved for future */ |
421 | }; |
422 | |
423 | enum { |
424 | SNDRV_PCM_TSTAMP_NONE = 0, |
425 | SNDRV_PCM_TSTAMP_ENABLE, |
426 | SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_ENABLE, |
427 | }; |
428 | |
429 | struct snd_pcm_sw_params { |
430 | int tstamp_mode; /* timestamp mode */ |
431 | unsigned int period_step; |
432 | unsigned int sleep_min; /* min ticks to sleep */ |
433 | snd_pcm_uframes_t avail_min; /* min avail frames for wakeup */ |
434 | snd_pcm_uframes_t xfer_align; /* obsolete: xfer size need to be a multiple */ |
435 | snd_pcm_uframes_t start_threshold; /* min hw_avail frames for automatic start */ |
436 | /* |
437 | * The following two thresholds alleviate playback buffer underruns; when |
438 | * hw_avail drops below the threshold, the respective action is triggered: |
439 | */ |
440 | snd_pcm_uframes_t stop_threshold; /* - stop playback */ |
441 | snd_pcm_uframes_t silence_threshold; /* - pre-fill buffer with silence */ |
442 | snd_pcm_uframes_t silence_size; /* max size of silence pre-fill; when >= boundary, |
443 | * fill played area with silence immediately */ |
444 | snd_pcm_uframes_t boundary; /* pointers wrap point */ |
445 | unsigned int proto; /* protocol version */ |
446 | unsigned int tstamp_type; /* timestamp type (req. proto >= 2.0.12) */ |
447 | unsigned char reserved[56]; /* reserved for future */ |
448 | }; |
449 | |
450 | struct snd_pcm_channel_info { |
451 | unsigned int channel; |
452 | __kernel_off_t offset; /* mmap offset */ |
453 | unsigned int first; /* offset to first sample in bits */ |
454 | unsigned int step; /* samples distance in bits */ |
455 | }; |
456 | |
457 | enum { |
458 | /* |
459 | * first definition for backwards compatibility only, |
460 | * maps to wallclock/link time for HDAudio playback and DEFAULT/DMA time for everything else |
461 | */ |
462 | SNDRV_PCM_AUDIO_TSTAMP_TYPE_COMPAT = 0, |
463 | |
464 | /* timestamp definitions */ |
465 | SNDRV_PCM_AUDIO_TSTAMP_TYPE_DEFAULT = 1, /* DMA time, reported as per hw_ptr */ |
466 | SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK = 2, /* link time reported by sample or wallclock counter, reset on startup */ |
467 | SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_ABSOLUTE = 3, /* link time reported by sample or wallclock counter, not reset on startup */ |
468 | SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_ESTIMATED = 4, /* link time estimated indirectly */ |
469 | SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_SYNCHRONIZED = 5, /* link time synchronized with system time */ |
470 | SNDRV_PCM_AUDIO_TSTAMP_TYPE_LAST = SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_SYNCHRONIZED |
471 | }; |
472 | |
473 | #ifndef __KERNEL__ |
474 | /* explicit padding avoids incompatibility between i386 and x86-64 */ |
475 | typedef struct { unsigned char pad[sizeof(time_t) - sizeof(int)]; } __time_pad; |
476 | |
477 | struct snd_pcm_status { |
478 | snd_pcm_state_t state; /* stream state */ |
479 | __time_pad pad1; /* align to timespec */ |
480 | struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */ |
481 | struct timespec tstamp; /* reference timestamp */ |
482 | snd_pcm_uframes_t appl_ptr; /* appl ptr */ |
483 | snd_pcm_uframes_t hw_ptr; /* hw ptr */ |
484 | snd_pcm_sframes_t delay; /* current delay in frames */ |
485 | snd_pcm_uframes_t avail; /* number of frames available */ |
486 | snd_pcm_uframes_t avail_max; /* max frames available on hw since last status */ |
487 | snd_pcm_uframes_t overrange; /* count of ADC (capture) overrange detections from last status */ |
488 | snd_pcm_state_t suspended_state; /* suspended stream state */ |
489 | __u32 audio_tstamp_data; /* needed for 64-bit alignment, used for configs/report to/from userspace */ |
490 | struct timespec audio_tstamp; /* sample counter, wall clock, PHC or on-demand sync'ed */ |
491 | struct timespec driver_tstamp; /* useful in case reference system tstamp is reported with delay */ |
492 | __u32 audio_tstamp_accuracy; /* in ns units, only valid if indicated in audio_tstamp_data */ |
493 | unsigned char reserved[52-2*sizeof(struct timespec)]; /* must be filled with zero */ |
494 | }; |
495 | #endif |
496 | |
497 | /* |
498 | * For mmap operations, we need the 64-bit layout, both for compat mode, |
499 | * and for y2038 compatibility. For 64-bit applications, the two definitions |
500 | * are identical, so we keep the traditional version. |
501 | */ |
502 | #ifdef __SND_STRUCT_TIME64 |
503 | #define __snd_pcm_mmap_status64 snd_pcm_mmap_status |
504 | #define __snd_pcm_mmap_control64 snd_pcm_mmap_control |
505 | #define __snd_pcm_sync_ptr64 snd_pcm_sync_ptr |
506 | #ifdef __KERNEL__ |
507 | #define __snd_timespec64 __kernel_timespec |
508 | #else |
509 | #define __snd_timespec64 timespec |
510 | #endif |
511 | struct __snd_timespec { |
512 | __s32 tv_sec; |
513 | __s32 tv_nsec; |
514 | }; |
515 | #else |
516 | #define __snd_pcm_mmap_status snd_pcm_mmap_status |
517 | #define __snd_pcm_mmap_control snd_pcm_mmap_control |
518 | #define __snd_pcm_sync_ptr snd_pcm_sync_ptr |
519 | #define __snd_timespec timespec |
520 | struct __snd_timespec64 { |
521 | __s64 tv_sec; |
522 | __s64 tv_nsec; |
523 | }; |
524 | |
525 | #endif |
526 | |
527 | struct __snd_pcm_mmap_status { |
528 | snd_pcm_state_t state; /* RO: state - SNDRV_PCM_STATE_XXXX */ |
529 | int pad1; /* Needed for 64 bit alignment */ |
530 | snd_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */ |
531 | struct __snd_timespec tstamp; /* Timestamp */ |
532 | snd_pcm_state_t suspended_state; /* RO: suspended stream state */ |
533 | struct __snd_timespec audio_tstamp; /* from sample counter or wall clock */ |
534 | }; |
535 | |
536 | struct __snd_pcm_mmap_control { |
537 | snd_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */ |
538 | snd_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */ |
539 | }; |
540 | |
541 | #define SNDRV_PCM_SYNC_PTR_HWSYNC (1<<0) /* execute hwsync */ |
542 | #define SNDRV_PCM_SYNC_PTR_APPL (1<<1) /* get appl_ptr from driver (r/w op) */ |
543 | #define SNDRV_PCM_SYNC_PTR_AVAIL_MIN (1<<2) /* get avail_min from driver */ |
544 | |
545 | struct __snd_pcm_sync_ptr { |
546 | unsigned int flags; |
547 | union { |
548 | struct __snd_pcm_mmap_status status; |
549 | unsigned char reserved[64]; |
550 | } s; |
551 | union { |
552 | struct __snd_pcm_mmap_control control; |
553 | unsigned char reserved[64]; |
554 | } c; |
555 | }; |
556 | |
557 | #if defined(__BYTE_ORDER) ? __BYTE_ORDER == __BIG_ENDIAN : defined(__BIG_ENDIAN) |
558 | typedef char __pad_before_uframe[sizeof(__u64) - sizeof(snd_pcm_uframes_t)]; |
559 | typedef char __pad_after_uframe[0]; |
560 | #endif |
561 | |
562 | #if defined(__BYTE_ORDER) ? __BYTE_ORDER == __LITTLE_ENDIAN : defined(__LITTLE_ENDIAN) |
563 | typedef char __pad_before_uframe[0]; |
564 | typedef char __pad_after_uframe[sizeof(__u64) - sizeof(snd_pcm_uframes_t)]; |
565 | #endif |
566 | |
567 | struct __snd_pcm_mmap_status64 { |
568 | snd_pcm_state_t state; /* RO: state - SNDRV_PCM_STATE_XXXX */ |
569 | __u32 pad1; /* Needed for 64 bit alignment */ |
570 | __pad_before_uframe __pad1; |
571 | snd_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */ |
572 | __pad_after_uframe __pad2; |
573 | struct __snd_timespec64 tstamp; /* Timestamp */ |
574 | snd_pcm_state_t suspended_state;/* RO: suspended stream state */ |
575 | __u32 pad3; /* Needed for 64 bit alignment */ |
576 | struct __snd_timespec64 audio_tstamp; /* sample counter or wall clock */ |
577 | }; |
578 | |
579 | struct __snd_pcm_mmap_control64 { |
580 | __pad_before_uframe __pad1; |
581 | snd_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */ |
582 | __pad_before_uframe __pad2; // This should be __pad_after_uframe, but binary |
583 | // backwards compatibility constraints prevent a fix. |
584 | |
585 | __pad_before_uframe __pad3; |
586 | snd_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */ |
587 | __pad_after_uframe __pad4; |
588 | }; |
589 | |
590 | struct __snd_pcm_sync_ptr64 { |
591 | __u32 flags; |
592 | __u32 pad1; |
593 | union { |
594 | struct __snd_pcm_mmap_status64 status; |
595 | unsigned char reserved[64]; |
596 | } s; |
597 | union { |
598 | struct __snd_pcm_mmap_control64 control; |
599 | unsigned char reserved[64]; |
600 | } c; |
601 | }; |
602 | |
603 | struct snd_xferi { |
604 | snd_pcm_sframes_t result; |
605 | void __user *buf; |
606 | snd_pcm_uframes_t frames; |
607 | }; |
608 | |
609 | struct snd_xfern { |
610 | snd_pcm_sframes_t result; |
611 | void __user * __user *bufs; |
612 | snd_pcm_uframes_t frames; |
613 | }; |
614 | |
615 | enum { |
616 | SNDRV_PCM_TSTAMP_TYPE_GETTIMEOFDAY = 0, /* gettimeofday equivalent */ |
617 | SNDRV_PCM_TSTAMP_TYPE_MONOTONIC, /* posix_clock_monotonic equivalent */ |
618 | SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW, /* monotonic_raw (no NTP) */ |
619 | SNDRV_PCM_TSTAMP_TYPE_LAST = SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW, |
620 | }; |
621 | |
622 | /* channel positions */ |
623 | enum { |
624 | SNDRV_CHMAP_UNKNOWN = 0, |
625 | SNDRV_CHMAP_NA, /* N/A, silent */ |
626 | SNDRV_CHMAP_MONO, /* mono stream */ |
627 | /* this follows the alsa-lib mixer channel value + 3 */ |
628 | SNDRV_CHMAP_FL, /* front left */ |
629 | SNDRV_CHMAP_FR, /* front right */ |
630 | SNDRV_CHMAP_RL, /* rear left */ |
631 | SNDRV_CHMAP_RR, /* rear right */ |
632 | SNDRV_CHMAP_FC, /* front center */ |
633 | SNDRV_CHMAP_LFE, /* LFE */ |
634 | SNDRV_CHMAP_SL, /* side left */ |
635 | SNDRV_CHMAP_SR, /* side right */ |
636 | SNDRV_CHMAP_RC, /* rear center */ |
637 | /* new definitions */ |
638 | SNDRV_CHMAP_FLC, /* front left center */ |
639 | SNDRV_CHMAP_FRC, /* front right center */ |
640 | SNDRV_CHMAP_RLC, /* rear left center */ |
641 | SNDRV_CHMAP_RRC, /* rear right center */ |
642 | SNDRV_CHMAP_FLW, /* front left wide */ |
643 | SNDRV_CHMAP_FRW, /* front right wide */ |
644 | SNDRV_CHMAP_FLH, /* front left high */ |
645 | SNDRV_CHMAP_FCH, /* front center high */ |
646 | SNDRV_CHMAP_FRH, /* front right high */ |
647 | SNDRV_CHMAP_TC, /* top center */ |
648 | SNDRV_CHMAP_TFL, /* top front left */ |
649 | SNDRV_CHMAP_TFR, /* top front right */ |
650 | SNDRV_CHMAP_TFC, /* top front center */ |
651 | SNDRV_CHMAP_TRL, /* top rear left */ |
652 | SNDRV_CHMAP_TRR, /* top rear right */ |
653 | SNDRV_CHMAP_TRC, /* top rear center */ |
654 | /* new definitions for UAC2 */ |
655 | SNDRV_CHMAP_TFLC, /* top front left center */ |
656 | SNDRV_CHMAP_TFRC, /* top front right center */ |
657 | SNDRV_CHMAP_TSL, /* top side left */ |
658 | SNDRV_CHMAP_TSR, /* top side right */ |
659 | SNDRV_CHMAP_LLFE, /* left LFE */ |
660 | SNDRV_CHMAP_RLFE, /* right LFE */ |
661 | SNDRV_CHMAP_BC, /* bottom center */ |
662 | SNDRV_CHMAP_BLC, /* bottom left center */ |
663 | SNDRV_CHMAP_BRC, /* bottom right center */ |
664 | SNDRV_CHMAP_LAST = SNDRV_CHMAP_BRC, |
665 | }; |
666 | |
667 | #define SNDRV_CHMAP_POSITION_MASK 0xffff |
668 | #define SNDRV_CHMAP_PHASE_INVERSE (0x01 << 16) |
669 | #define SNDRV_CHMAP_DRIVER_SPEC (0x02 << 16) |
670 | |
671 | #define SNDRV_PCM_IOCTL_PVERSION _IOR('A', 0x00, int) |
672 | #define SNDRV_PCM_IOCTL_INFO _IOR('A', 0x01, struct snd_pcm_info) |
673 | #define SNDRV_PCM_IOCTL_TSTAMP _IOW('A', 0x02, int) |
674 | #define SNDRV_PCM_IOCTL_TTSTAMP _IOW('A', 0x03, int) |
675 | #define SNDRV_PCM_IOCTL_USER_PVERSION _IOW('A', 0x04, int) |
676 | #define SNDRV_PCM_IOCTL_HW_REFINE _IOWR('A', 0x10, struct snd_pcm_hw_params) |
677 | #define SNDRV_PCM_IOCTL_HW_PARAMS _IOWR('A', 0x11, struct snd_pcm_hw_params) |
678 | #define SNDRV_PCM_IOCTL_HW_FREE _IO('A', 0x12) |
679 | #define SNDRV_PCM_IOCTL_SW_PARAMS _IOWR('A', 0x13, struct snd_pcm_sw_params) |
680 | #define SNDRV_PCM_IOCTL_STATUS _IOR('A', 0x20, struct snd_pcm_status) |
681 | #define SNDRV_PCM_IOCTL_DELAY _IOR('A', 0x21, snd_pcm_sframes_t) |
682 | #define SNDRV_PCM_IOCTL_HWSYNC _IO('A', 0x22) |
683 | #define __SNDRV_PCM_IOCTL_SYNC_PTR _IOWR('A', 0x23, struct __snd_pcm_sync_ptr) |
684 | #define __SNDRV_PCM_IOCTL_SYNC_PTR64 _IOWR('A', 0x23, struct __snd_pcm_sync_ptr64) |
685 | #define SNDRV_PCM_IOCTL_SYNC_PTR _IOWR('A', 0x23, struct snd_pcm_sync_ptr) |
686 | #define SNDRV_PCM_IOCTL_STATUS_EXT _IOWR('A', 0x24, struct snd_pcm_status) |
687 | #define SNDRV_PCM_IOCTL_CHANNEL_INFO _IOR('A', 0x32, struct snd_pcm_channel_info) |
688 | #define SNDRV_PCM_IOCTL_PREPARE _IO('A', 0x40) |
689 | #define SNDRV_PCM_IOCTL_RESET _IO('A', 0x41) |
690 | #define SNDRV_PCM_IOCTL_START _IO('A', 0x42) |
691 | #define SNDRV_PCM_IOCTL_DROP _IO('A', 0x43) |
692 | #define SNDRV_PCM_IOCTL_DRAIN _IO('A', 0x44) |
693 | #define SNDRV_PCM_IOCTL_PAUSE _IOW('A', 0x45, int) |
694 | #define SNDRV_PCM_IOCTL_REWIND _IOW('A', 0x46, snd_pcm_uframes_t) |
695 | #define SNDRV_PCM_IOCTL_RESUME _IO('A', 0x47) |
696 | #define SNDRV_PCM_IOCTL_XRUN _IO('A', 0x48) |
697 | #define SNDRV_PCM_IOCTL_FORWARD _IOW('A', 0x49, snd_pcm_uframes_t) |
698 | #define SNDRV_PCM_IOCTL_WRITEI_FRAMES _IOW('A', 0x50, struct snd_xferi) |
699 | #define SNDRV_PCM_IOCTL_READI_FRAMES _IOR('A', 0x51, struct snd_xferi) |
700 | #define SNDRV_PCM_IOCTL_WRITEN_FRAMES _IOW('A', 0x52, struct snd_xfern) |
701 | #define SNDRV_PCM_IOCTL_READN_FRAMES _IOR('A', 0x53, struct snd_xfern) |
702 | #define SNDRV_PCM_IOCTL_LINK _IOW('A', 0x60, int) |
703 | #define SNDRV_PCM_IOCTL_UNLINK _IO('A', 0x61) |
704 | |
705 | /***************************************************************************** |
706 | * * |
707 | * MIDI v1.0 interface * |
708 | * * |
709 | *****************************************************************************/ |
710 | |
711 | /* |
712 | * Raw MIDI section - /dev/snd/midi?? |
713 | */ |
714 | |
715 | #define SNDRV_RAWMIDI_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 4) |
716 | |
717 | enum { |
718 | SNDRV_RAWMIDI_STREAM_OUTPUT = 0, |
719 | SNDRV_RAWMIDI_STREAM_INPUT, |
720 | SNDRV_RAWMIDI_STREAM_LAST = SNDRV_RAWMIDI_STREAM_INPUT, |
721 | }; |
722 | |
723 | #define SNDRV_RAWMIDI_INFO_OUTPUT 0x00000001 |
724 | #define SNDRV_RAWMIDI_INFO_INPUT 0x00000002 |
725 | #define SNDRV_RAWMIDI_INFO_DUPLEX 0x00000004 |
726 | #define SNDRV_RAWMIDI_INFO_UMP 0x00000008 |
727 | |
728 | struct snd_rawmidi_info { |
729 | unsigned int device; /* RO/WR (control): device number */ |
730 | unsigned int subdevice; /* RO/WR (control): subdevice number */ |
731 | int stream; /* WR: stream */ |
732 | int card; /* R: card number */ |
733 | unsigned int flags; /* SNDRV_RAWMIDI_INFO_XXXX */ |
734 | unsigned char id[64]; /* ID (user selectable) */ |
735 | unsigned char name[80]; /* name of device */ |
736 | unsigned char subname[32]; /* name of active or selected subdevice */ |
737 | unsigned int subdevices_count; |
738 | unsigned int subdevices_avail; |
739 | unsigned char reserved[64]; /* reserved for future use */ |
740 | }; |
741 | |
742 | #define SNDRV_RAWMIDI_MODE_FRAMING_MASK (7<<0) |
743 | #define SNDRV_RAWMIDI_MODE_FRAMING_SHIFT 0 |
744 | #define SNDRV_RAWMIDI_MODE_FRAMING_NONE (0<<0) |
745 | #define SNDRV_RAWMIDI_MODE_FRAMING_TSTAMP (1<<0) |
746 | #define SNDRV_RAWMIDI_MODE_CLOCK_MASK (7<<3) |
747 | #define SNDRV_RAWMIDI_MODE_CLOCK_SHIFT 3 |
748 | #define SNDRV_RAWMIDI_MODE_CLOCK_NONE (0<<3) |
749 | #define SNDRV_RAWMIDI_MODE_CLOCK_REALTIME (1<<3) |
750 | #define SNDRV_RAWMIDI_MODE_CLOCK_MONOTONIC (2<<3) |
751 | #define SNDRV_RAWMIDI_MODE_CLOCK_MONOTONIC_RAW (3<<3) |
752 | |
753 | #define SNDRV_RAWMIDI_FRAMING_DATA_LENGTH 16 |
754 | |
755 | struct snd_rawmidi_framing_tstamp { |
756 | /* For now, frame_type is always 0. Midi 2.0 is expected to add new |
757 | * types here. Applications are expected to skip unknown frame types. |
758 | */ |
759 | __u8 frame_type; |
760 | __u8 length; /* number of valid bytes in data field */ |
761 | __u8 reserved[2]; |
762 | __u32 tv_nsec; /* nanoseconds */ |
763 | __u64 tv_sec; /* seconds */ |
764 | __u8 data[SNDRV_RAWMIDI_FRAMING_DATA_LENGTH]; |
765 | } __packed; |
766 | |
767 | struct snd_rawmidi_params { |
768 | int stream; |
769 | size_t buffer_size; /* queue size in bytes */ |
770 | size_t avail_min; /* minimum avail bytes for wakeup */ |
771 | unsigned int no_active_sensing: 1; /* do not send active sensing byte in close() */ |
772 | unsigned int mode; /* For input data only, frame incoming data */ |
773 | unsigned char reserved[12]; /* reserved for future use */ |
774 | }; |
775 | |
776 | #ifndef __KERNEL__ |
777 | struct snd_rawmidi_status { |
778 | int stream; |
779 | __time_pad pad1; |
780 | struct timespec tstamp; /* Timestamp */ |
781 | size_t avail; /* available bytes */ |
782 | size_t xruns; /* count of overruns since last status (in bytes) */ |
783 | unsigned char reserved[16]; /* reserved for future use */ |
784 | }; |
785 | #endif |
786 | |
787 | /* UMP EP info flags */ |
788 | #define SNDRV_UMP_EP_INFO_STATIC_BLOCKS 0x01 |
789 | |
790 | /* UMP EP Protocol / JRTS capability bits */ |
791 | #define SNDRV_UMP_EP_INFO_PROTO_MIDI_MASK 0x0300 |
792 | #define SNDRV_UMP_EP_INFO_PROTO_MIDI1 0x0100 /* MIDI 1.0 */ |
793 | #define SNDRV_UMP_EP_INFO_PROTO_MIDI2 0x0200 /* MIDI 2.0 */ |
794 | #define SNDRV_UMP_EP_INFO_PROTO_JRTS_MASK 0x0003 |
795 | #define SNDRV_UMP_EP_INFO_PROTO_JRTS_TX 0x0001 /* JRTS Transmit */ |
796 | #define SNDRV_UMP_EP_INFO_PROTO_JRTS_RX 0x0002 /* JRTS Receive */ |
797 | |
798 | /* UMP Endpoint information */ |
799 | struct snd_ump_endpoint_info { |
800 | int card; /* card number */ |
801 | int device; /* device number */ |
802 | unsigned int flags; /* additional info */ |
803 | unsigned int protocol_caps; /* protocol capabilities */ |
804 | unsigned int protocol; /* current protocol */ |
805 | unsigned int num_blocks; /* # of function blocks */ |
806 | unsigned short version; /* UMP major/minor version */ |
807 | unsigned short family_id; /* MIDI device family ID */ |
808 | unsigned short model_id; /* MIDI family model ID */ |
809 | unsigned int manufacturer_id; /* MIDI manufacturer ID */ |
810 | unsigned char sw_revision[4]; /* software revision */ |
811 | unsigned short padding; |
812 | unsigned char name[128]; /* endpoint name string */ |
813 | unsigned char product_id[128]; /* unique product id string */ |
814 | unsigned char reserved[32]; |
815 | } __packed; |
816 | |
817 | /* UMP direction */ |
818 | #define SNDRV_UMP_DIR_INPUT 0x01 |
819 | #define SNDRV_UMP_DIR_OUTPUT 0x02 |
820 | #define SNDRV_UMP_DIR_BIDIRECTION 0x03 |
821 | |
822 | /* UMP block info flags */ |
823 | #define SNDRV_UMP_BLOCK_IS_MIDI1 (1U << 0) /* MIDI 1.0 port w/o restrict */ |
824 | #define SNDRV_UMP_BLOCK_IS_LOWSPEED (1U << 1) /* 31.25Kbps B/W MIDI1 port */ |
825 | |
826 | /* UMP block user-interface hint */ |
827 | #define SNDRV_UMP_BLOCK_UI_HINT_UNKNOWN 0x00 |
828 | #define SNDRV_UMP_BLOCK_UI_HINT_RECEIVER 0x01 |
829 | #define SNDRV_UMP_BLOCK_UI_HINT_SENDER 0x02 |
830 | #define SNDRV_UMP_BLOCK_UI_HINT_BOTH 0x03 |
831 | |
832 | /* UMP groups and blocks */ |
833 | #define SNDRV_UMP_MAX_GROUPS 16 |
834 | #define SNDRV_UMP_MAX_BLOCKS 32 |
835 | |
836 | /* UMP Block information */ |
837 | struct snd_ump_block_info { |
838 | int card; /* card number */ |
839 | int device; /* device number */ |
840 | unsigned char block_id; /* block ID (R/W) */ |
841 | unsigned char direction; /* UMP direction */ |
842 | unsigned char active; /* Activeness */ |
843 | unsigned char first_group; /* first group ID */ |
844 | unsigned char num_groups; /* number of groups */ |
845 | unsigned char midi_ci_version; /* MIDI-CI support version */ |
846 | unsigned char sysex8_streams; /* max number of sysex8 streams */ |
847 | unsigned char ui_hint; /* user interface hint */ |
848 | unsigned int flags; /* various info flags */ |
849 | unsigned char name[128]; /* block name string */ |
850 | unsigned char reserved[32]; |
851 | } __packed; |
852 | |
853 | #define SNDRV_RAWMIDI_IOCTL_PVERSION _IOR('W', 0x00, int) |
854 | #define SNDRV_RAWMIDI_IOCTL_INFO _IOR('W', 0x01, struct snd_rawmidi_info) |
855 | #define SNDRV_RAWMIDI_IOCTL_USER_PVERSION _IOW('W', 0x02, int) |
856 | #define SNDRV_RAWMIDI_IOCTL_PARAMS _IOWR('W', 0x10, struct snd_rawmidi_params) |
857 | #define SNDRV_RAWMIDI_IOCTL_STATUS _IOWR('W', 0x20, struct snd_rawmidi_status) |
858 | #define SNDRV_RAWMIDI_IOCTL_DROP _IOW('W', 0x30, int) |
859 | #define SNDRV_RAWMIDI_IOCTL_DRAIN _IOW('W', 0x31, int) |
860 | /* Additional ioctls for UMP rawmidi devices */ |
861 | #define SNDRV_UMP_IOCTL_ENDPOINT_INFO _IOR('W', 0x40, struct snd_ump_endpoint_info) |
862 | #define SNDRV_UMP_IOCTL_BLOCK_INFO _IOR('W', 0x41, struct snd_ump_block_info) |
863 | |
864 | /* |
865 | * Timer section - /dev/snd/timer |
866 | */ |
867 | |
868 | #define SNDRV_TIMER_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 7) |
869 | |
870 | enum { |
871 | SNDRV_TIMER_CLASS_NONE = -1, |
872 | SNDRV_TIMER_CLASS_SLAVE = 0, |
873 | SNDRV_TIMER_CLASS_GLOBAL, |
874 | SNDRV_TIMER_CLASS_CARD, |
875 | SNDRV_TIMER_CLASS_PCM, |
876 | SNDRV_TIMER_CLASS_LAST = SNDRV_TIMER_CLASS_PCM, |
877 | }; |
878 | |
879 | /* slave timer classes */ |
880 | enum { |
881 | SNDRV_TIMER_SCLASS_NONE = 0, |
882 | SNDRV_TIMER_SCLASS_APPLICATION, |
883 | SNDRV_TIMER_SCLASS_SEQUENCER, /* alias */ |
884 | SNDRV_TIMER_SCLASS_OSS_SEQUENCER, /* alias */ |
885 | SNDRV_TIMER_SCLASS_LAST = SNDRV_TIMER_SCLASS_OSS_SEQUENCER, |
886 | }; |
887 | |
888 | /* global timers (device member) */ |
889 | #define SNDRV_TIMER_GLOBAL_SYSTEM 0 |
890 | #define SNDRV_TIMER_GLOBAL_RTC 1 /* unused */ |
891 | #define SNDRV_TIMER_GLOBAL_HPET 2 |
892 | #define SNDRV_TIMER_GLOBAL_HRTIMER 3 |
893 | |
894 | /* info flags */ |
895 | #define SNDRV_TIMER_FLG_SLAVE (1<<0) /* cannot be controlled */ |
896 | |
897 | struct snd_timer_id { |
898 | int dev_class; |
899 | int dev_sclass; |
900 | int card; |
901 | int device; |
902 | int subdevice; |
903 | }; |
904 | |
905 | struct snd_timer_ginfo { |
906 | struct snd_timer_id tid; /* requested timer ID */ |
907 | unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ |
908 | int card; /* card number */ |
909 | unsigned char id[64]; /* timer identification */ |
910 | unsigned char name[80]; /* timer name */ |
911 | unsigned long reserved0; /* reserved for future use */ |
912 | unsigned long resolution; /* average period resolution in ns */ |
913 | unsigned long resolution_min; /* minimal period resolution in ns */ |
914 | unsigned long resolution_max; /* maximal period resolution in ns */ |
915 | unsigned int clients; /* active timer clients */ |
916 | unsigned char reserved[32]; |
917 | }; |
918 | |
919 | struct snd_timer_gparams { |
920 | struct snd_timer_id tid; /* requested timer ID */ |
921 | unsigned long period_num; /* requested precise period duration (in seconds) - numerator */ |
922 | unsigned long period_den; /* requested precise period duration (in seconds) - denominator */ |
923 | unsigned char reserved[32]; |
924 | }; |
925 | |
926 | struct snd_timer_gstatus { |
927 | struct snd_timer_id tid; /* requested timer ID */ |
928 | unsigned long resolution; /* current period resolution in ns */ |
929 | unsigned long resolution_num; /* precise current period resolution (in seconds) - numerator */ |
930 | unsigned long resolution_den; /* precise current period resolution (in seconds) - denominator */ |
931 | unsigned char reserved[32]; |
932 | }; |
933 | |
934 | struct snd_timer_select { |
935 | struct snd_timer_id id; /* bind to timer ID */ |
936 | unsigned char reserved[32]; /* reserved */ |
937 | }; |
938 | |
939 | struct snd_timer_info { |
940 | unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ |
941 | int card; /* card number */ |
942 | unsigned char id[64]; /* timer identificator */ |
943 | unsigned char name[80]; /* timer name */ |
944 | unsigned long reserved0; /* reserved for future use */ |
945 | unsigned long resolution; /* average period resolution in ns */ |
946 | unsigned char reserved[64]; /* reserved */ |
947 | }; |
948 | |
949 | #define SNDRV_TIMER_PSFLG_AUTO (1<<0) /* auto start, otherwise one-shot */ |
950 | #define SNDRV_TIMER_PSFLG_EXCLUSIVE (1<<1) /* exclusive use, precise start/stop/pause/continue */ |
951 | #define SNDRV_TIMER_PSFLG_EARLY_EVENT (1<<2) /* write early event to the poll queue */ |
952 | |
953 | struct snd_timer_params { |
954 | unsigned int flags; /* flags - SNDRV_TIMER_PSFLG_* */ |
955 | unsigned int ticks; /* requested resolution in ticks */ |
956 | unsigned int queue_size; /* total size of queue (32-1024) */ |
957 | unsigned int reserved0; /* reserved, was: failure locations */ |
958 | unsigned int filter; /* event filter (bitmask of SNDRV_TIMER_EVENT_*) */ |
959 | unsigned char reserved[60]; /* reserved */ |
960 | }; |
961 | |
962 | #ifndef __KERNEL__ |
963 | struct snd_timer_status { |
964 | struct timespec tstamp; /* Timestamp - last update */ |
965 | unsigned int resolution; /* current period resolution in ns */ |
966 | unsigned int lost; /* counter of master tick lost */ |
967 | unsigned int overrun; /* count of read queue overruns */ |
968 | unsigned int queue; /* used queue size */ |
969 | unsigned char reserved[64]; /* reserved */ |
970 | }; |
971 | #endif |
972 | |
973 | #define SNDRV_TIMER_IOCTL_PVERSION _IOR('T', 0x00, int) |
974 | #define SNDRV_TIMER_IOCTL_NEXT_DEVICE _IOWR('T', 0x01, struct snd_timer_id) |
975 | #define SNDRV_TIMER_IOCTL_TREAD_OLD _IOW('T', 0x02, int) |
976 | #define SNDRV_TIMER_IOCTL_GINFO _IOWR('T', 0x03, struct snd_timer_ginfo) |
977 | #define SNDRV_TIMER_IOCTL_GPARAMS _IOW('T', 0x04, struct snd_timer_gparams) |
978 | #define SNDRV_TIMER_IOCTL_GSTATUS _IOWR('T', 0x05, struct snd_timer_gstatus) |
979 | #define SNDRV_TIMER_IOCTL_SELECT _IOW('T', 0x10, struct snd_timer_select) |
980 | #define SNDRV_TIMER_IOCTL_INFO _IOR('T', 0x11, struct snd_timer_info) |
981 | #define SNDRV_TIMER_IOCTL_PARAMS _IOW('T', 0x12, struct snd_timer_params) |
982 | #define SNDRV_TIMER_IOCTL_STATUS _IOR('T', 0x14, struct snd_timer_status) |
983 | /* The following four ioctls are changed since 1.0.9 due to confliction */ |
984 | #define SNDRV_TIMER_IOCTL_START _IO('T', 0xa0) |
985 | #define SNDRV_TIMER_IOCTL_STOP _IO('T', 0xa1) |
986 | #define SNDRV_TIMER_IOCTL_CONTINUE _IO('T', 0xa2) |
987 | #define SNDRV_TIMER_IOCTL_PAUSE _IO('T', 0xa3) |
988 | #define SNDRV_TIMER_IOCTL_TREAD64 _IOW('T', 0xa4, int) |
989 | |
990 | #if __BITS_PER_LONG == 64 |
991 | #define SNDRV_TIMER_IOCTL_TREAD SNDRV_TIMER_IOCTL_TREAD_OLD |
992 | #else |
993 | #define SNDRV_TIMER_IOCTL_TREAD ((sizeof(__kernel_long_t) >= sizeof(time_t)) ? \ |
994 | SNDRV_TIMER_IOCTL_TREAD_OLD : \ |
995 | SNDRV_TIMER_IOCTL_TREAD64) |
996 | #endif |
997 | |
998 | struct snd_timer_read { |
999 | unsigned int resolution; |
1000 | unsigned int ticks; |
1001 | }; |
1002 | |
1003 | enum { |
1004 | SNDRV_TIMER_EVENT_RESOLUTION = 0, /* val = resolution in ns */ |
1005 | SNDRV_TIMER_EVENT_TICK, /* val = ticks */ |
1006 | SNDRV_TIMER_EVENT_START, /* val = resolution in ns */ |
1007 | SNDRV_TIMER_EVENT_STOP, /* val = 0 */ |
1008 | SNDRV_TIMER_EVENT_CONTINUE, /* val = resolution in ns */ |
1009 | SNDRV_TIMER_EVENT_PAUSE, /* val = 0 */ |
1010 | SNDRV_TIMER_EVENT_EARLY, /* val = 0, early event */ |
1011 | SNDRV_TIMER_EVENT_SUSPEND, /* val = 0 */ |
1012 | SNDRV_TIMER_EVENT_RESUME, /* val = resolution in ns */ |
1013 | /* master timer events for slave timer instances */ |
1014 | SNDRV_TIMER_EVENT_MSTART = SNDRV_TIMER_EVENT_START + 10, |
1015 | SNDRV_TIMER_EVENT_MSTOP = SNDRV_TIMER_EVENT_STOP + 10, |
1016 | SNDRV_TIMER_EVENT_MCONTINUE = SNDRV_TIMER_EVENT_CONTINUE + 10, |
1017 | SNDRV_TIMER_EVENT_MPAUSE = SNDRV_TIMER_EVENT_PAUSE + 10, |
1018 | SNDRV_TIMER_EVENT_MSUSPEND = SNDRV_TIMER_EVENT_SUSPEND + 10, |
1019 | SNDRV_TIMER_EVENT_MRESUME = SNDRV_TIMER_EVENT_RESUME + 10, |
1020 | }; |
1021 | |
1022 | #ifndef __KERNEL__ |
1023 | struct snd_timer_tread { |
1024 | int event; |
1025 | __time_pad pad1; |
1026 | struct timespec tstamp; |
1027 | unsigned int val; |
1028 | __time_pad pad2; |
1029 | }; |
1030 | #endif |
1031 | |
1032 | /**************************************************************************** |
1033 | * * |
1034 | * Section for driver control interface - /dev/snd/control? * |
1035 | * * |
1036 | ****************************************************************************/ |
1037 | |
1038 | #define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 9) |
1039 | |
1040 | struct snd_ctl_card_info { |
1041 | int card; /* card number */ |
1042 | int pad; /* reserved for future (was type) */ |
1043 | unsigned char id[16]; /* ID of card (user selectable) */ |
1044 | unsigned char driver[16]; /* Driver name */ |
1045 | unsigned char name[32]; /* Short name of soundcard */ |
1046 | unsigned char longname[80]; /* name + info text about soundcard */ |
1047 | unsigned char reserved_[16]; /* reserved for future (was ID of mixer) */ |
1048 | unsigned char mixername[80]; /* visual mixer identification */ |
1049 | unsigned char components[128]; /* card components / fine identification, delimited with one space (AC97 etc..) */ |
1050 | }; |
1051 | |
1052 | typedef int __bitwise snd_ctl_elem_type_t; |
1053 | #define SNDRV_CTL_ELEM_TYPE_NONE ((__force snd_ctl_elem_type_t) 0) /* invalid */ |
1054 | #define SNDRV_CTL_ELEM_TYPE_BOOLEAN ((__force snd_ctl_elem_type_t) 1) /* boolean type */ |
1055 | #define SNDRV_CTL_ELEM_TYPE_INTEGER ((__force snd_ctl_elem_type_t) 2) /* integer type */ |
1056 | #define SNDRV_CTL_ELEM_TYPE_ENUMERATED ((__force snd_ctl_elem_type_t) 3) /* enumerated type */ |
1057 | #define SNDRV_CTL_ELEM_TYPE_BYTES ((__force snd_ctl_elem_type_t) 4) /* byte array */ |
1058 | #define SNDRV_CTL_ELEM_TYPE_IEC958 ((__force snd_ctl_elem_type_t) 5) /* IEC958 (S/PDIF) setup */ |
1059 | #define SNDRV_CTL_ELEM_TYPE_INTEGER64 ((__force snd_ctl_elem_type_t) 6) /* 64-bit integer type */ |
1060 | #define SNDRV_CTL_ELEM_TYPE_LAST SNDRV_CTL_ELEM_TYPE_INTEGER64 |
1061 | |
1062 | typedef int __bitwise snd_ctl_elem_iface_t; |
1063 | #define SNDRV_CTL_ELEM_IFACE_CARD ((__force snd_ctl_elem_iface_t) 0) /* global control */ |
1064 | #define SNDRV_CTL_ELEM_IFACE_HWDEP ((__force snd_ctl_elem_iface_t) 1) /* hardware dependent device */ |
1065 | #define SNDRV_CTL_ELEM_IFACE_MIXER ((__force snd_ctl_elem_iface_t) 2) /* virtual mixer device */ |
1066 | #define SNDRV_CTL_ELEM_IFACE_PCM ((__force snd_ctl_elem_iface_t) 3) /* PCM device */ |
1067 | #define SNDRV_CTL_ELEM_IFACE_RAWMIDI ((__force snd_ctl_elem_iface_t) 4) /* RawMidi device */ |
1068 | #define SNDRV_CTL_ELEM_IFACE_TIMER ((__force snd_ctl_elem_iface_t) 5) /* timer device */ |
1069 | #define SNDRV_CTL_ELEM_IFACE_SEQUENCER ((__force snd_ctl_elem_iface_t) 6) /* sequencer client */ |
1070 | #define SNDRV_CTL_ELEM_IFACE_LAST SNDRV_CTL_ELEM_IFACE_SEQUENCER |
1071 | |
1072 | #define SNDRV_CTL_ELEM_ACCESS_READ (1<<0) |
1073 | #define SNDRV_CTL_ELEM_ACCESS_WRITE (1<<1) |
1074 | #define SNDRV_CTL_ELEM_ACCESS_READWRITE (SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE) |
1075 | #define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1<<2) /* control value may be changed without a notification */ |
1076 | /* (1 << 3) is unused. */ |
1077 | #define SNDRV_CTL_ELEM_ACCESS_TLV_READ (1<<4) /* TLV read is possible */ |
1078 | #define SNDRV_CTL_ELEM_ACCESS_TLV_WRITE (1<<5) /* TLV write is possible */ |
1079 | #define SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE (SNDRV_CTL_ELEM_ACCESS_TLV_READ|SNDRV_CTL_ELEM_ACCESS_TLV_WRITE) |
1080 | #define SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND (1<<6) /* TLV command is possible */ |
1081 | #define SNDRV_CTL_ELEM_ACCESS_INACTIVE (1<<8) /* control does actually nothing, but may be updated */ |
1082 | #define SNDRV_CTL_ELEM_ACCESS_LOCK (1<<9) /* write lock */ |
1083 | #define SNDRV_CTL_ELEM_ACCESS_OWNER (1<<10) /* write lock owner */ |
1084 | #define SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK (1<<28) /* kernel use a TLV callback */ |
1085 | #define SNDRV_CTL_ELEM_ACCESS_USER (1<<29) /* user space element */ |
1086 | /* bits 30 and 31 are obsoleted (for indirect access) */ |
1087 | |
1088 | /* for further details see the ACPI and PCI power management specification */ |
1089 | #define SNDRV_CTL_POWER_D0 0x0000 /* full On */ |
1090 | #define SNDRV_CTL_POWER_D1 0x0100 /* partial On */ |
1091 | #define SNDRV_CTL_POWER_D2 0x0200 /* partial On */ |
1092 | #define SNDRV_CTL_POWER_D3 0x0300 /* Off */ |
1093 | #define SNDRV_CTL_POWER_D3hot (SNDRV_CTL_POWER_D3|0x0000) /* Off, with power */ |
1094 | #define SNDRV_CTL_POWER_D3cold (SNDRV_CTL_POWER_D3|0x0001) /* Off, without power */ |
1095 | |
1096 | #define SNDRV_CTL_ELEM_ID_NAME_MAXLEN 44 |
1097 | |
1098 | struct snd_ctl_elem_id { |
1099 | unsigned int numid; /* numeric identifier, zero = invalid */ |
1100 | snd_ctl_elem_iface_t iface; /* interface identifier */ |
1101 | unsigned int device; /* device/client number */ |
1102 | unsigned int subdevice; /* subdevice (substream) number */ |
1103 | unsigned char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* ASCII name of item */ |
1104 | unsigned int index; /* index of item */ |
1105 | }; |
1106 | |
1107 | struct snd_ctl_elem_list { |
1108 | unsigned int offset; /* W: first element ID to get */ |
1109 | unsigned int space; /* W: count of element IDs to get */ |
1110 | unsigned int used; /* R: count of element IDs set */ |
1111 | unsigned int count; /* R: count of all elements */ |
1112 | struct snd_ctl_elem_id __user *pids; /* R: IDs */ |
1113 | unsigned char reserved[50]; |
1114 | }; |
1115 | |
1116 | struct snd_ctl_elem_info { |
1117 | struct snd_ctl_elem_id id; /* W: element ID */ |
1118 | snd_ctl_elem_type_t type; /* R: value type - SNDRV_CTL_ELEM_TYPE_* */ |
1119 | unsigned int access; /* R: value access (bitmask) - SNDRV_CTL_ELEM_ACCESS_* */ |
1120 | unsigned int count; /* count of values */ |
1121 | __kernel_pid_t owner; /* owner's PID of this control */ |
1122 | union { |
1123 | struct { |
1124 | long min; /* R: minimum value */ |
1125 | long max; /* R: maximum value */ |
1126 | long step; /* R: step (0 variable) */ |
1127 | } integer; |
1128 | struct { |
1129 | long long min; /* R: minimum value */ |
1130 | long long max; /* R: maximum value */ |
1131 | long long step; /* R: step (0 variable) */ |
1132 | } integer64; |
1133 | struct { |
1134 | unsigned int items; /* R: number of items */ |
1135 | unsigned int item; /* W: item number */ |
1136 | char name[64]; /* R: value name */ |
1137 | __u64 names_ptr; /* W: names list (ELEM_ADD only) */ |
1138 | unsigned int names_length; |
1139 | } enumerated; |
1140 | unsigned char reserved[128]; |
1141 | } value; |
1142 | unsigned char reserved[64]; |
1143 | }; |
1144 | |
1145 | struct snd_ctl_elem_value { |
1146 | struct snd_ctl_elem_id id; /* W: element ID */ |
1147 | unsigned int indirect: 1; /* W: indirect access - obsoleted */ |
1148 | union { |
1149 | union { |
1150 | long value[128]; |
1151 | long *value_ptr; /* obsoleted */ |
1152 | } integer; |
1153 | union { |
1154 | long long value[64]; |
1155 | long long *value_ptr; /* obsoleted */ |
1156 | } integer64; |
1157 | union { |
1158 | unsigned int item[128]; |
1159 | unsigned int *item_ptr; /* obsoleted */ |
1160 | } enumerated; |
1161 | union { |
1162 | unsigned char data[512]; |
1163 | unsigned char *data_ptr; /* obsoleted */ |
1164 | } bytes; |
1165 | struct snd_aes_iec958 iec958; |
1166 | } value; /* RO */ |
1167 | unsigned char reserved[128]; |
1168 | }; |
1169 | |
1170 | struct snd_ctl_tlv { |
1171 | unsigned int numid; /* control element numeric identification */ |
1172 | unsigned int length; /* in bytes aligned to 4 */ |
1173 | unsigned int tlv[]; /* first TLV */ |
1174 | }; |
1175 | |
1176 | #define SNDRV_CTL_IOCTL_PVERSION _IOR('U', 0x00, int) |
1177 | #define SNDRV_CTL_IOCTL_CARD_INFO _IOR('U', 0x01, struct snd_ctl_card_info) |
1178 | #define SNDRV_CTL_IOCTL_ELEM_LIST _IOWR('U', 0x10, struct snd_ctl_elem_list) |
1179 | #define SNDRV_CTL_IOCTL_ELEM_INFO _IOWR('U', 0x11, struct snd_ctl_elem_info) |
1180 | #define SNDRV_CTL_IOCTL_ELEM_READ _IOWR('U', 0x12, struct snd_ctl_elem_value) |
1181 | #define SNDRV_CTL_IOCTL_ELEM_WRITE _IOWR('U', 0x13, struct snd_ctl_elem_value) |
1182 | #define SNDRV_CTL_IOCTL_ELEM_LOCK _IOW('U', 0x14, struct snd_ctl_elem_id) |
1183 | #define SNDRV_CTL_IOCTL_ELEM_UNLOCK _IOW('U', 0x15, struct snd_ctl_elem_id) |
1184 | #define SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS _IOWR('U', 0x16, int) |
1185 | #define SNDRV_CTL_IOCTL_ELEM_ADD _IOWR('U', 0x17, struct snd_ctl_elem_info) |
1186 | #define SNDRV_CTL_IOCTL_ELEM_REPLACE _IOWR('U', 0x18, struct snd_ctl_elem_info) |
1187 | #define SNDRV_CTL_IOCTL_ELEM_REMOVE _IOWR('U', 0x19, struct snd_ctl_elem_id) |
1188 | #define SNDRV_CTL_IOCTL_TLV_READ _IOWR('U', 0x1a, struct snd_ctl_tlv) |
1189 | #define SNDRV_CTL_IOCTL_TLV_WRITE _IOWR('U', 0x1b, struct snd_ctl_tlv) |
1190 | #define SNDRV_CTL_IOCTL_TLV_COMMAND _IOWR('U', 0x1c, struct snd_ctl_tlv) |
1191 | #define SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE _IOWR('U', 0x20, int) |
1192 | #define SNDRV_CTL_IOCTL_HWDEP_INFO _IOR('U', 0x21, struct snd_hwdep_info) |
1193 | #define SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE _IOR('U', 0x30, int) |
1194 | #define SNDRV_CTL_IOCTL_PCM_INFO _IOWR('U', 0x31, struct snd_pcm_info) |
1195 | #define SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE _IOW('U', 0x32, int) |
1196 | #define SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE _IOWR('U', 0x40, int) |
1197 | #define SNDRV_CTL_IOCTL_RAWMIDI_INFO _IOWR('U', 0x41, struct snd_rawmidi_info) |
1198 | #define SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE _IOW('U', 0x42, int) |
1199 | #define SNDRV_CTL_IOCTL_UMP_NEXT_DEVICE _IOWR('U', 0x43, int) |
1200 | #define SNDRV_CTL_IOCTL_UMP_ENDPOINT_INFO _IOWR('U', 0x44, struct snd_ump_endpoint_info) |
1201 | #define SNDRV_CTL_IOCTL_UMP_BLOCK_INFO _IOWR('U', 0x45, struct snd_ump_block_info) |
1202 | #define SNDRV_CTL_IOCTL_POWER _IOWR('U', 0xd0, int) |
1203 | #define SNDRV_CTL_IOCTL_POWER_STATE _IOR('U', 0xd1, int) |
1204 | |
1205 | /* |
1206 | * Read interface. |
1207 | */ |
1208 | |
1209 | enum sndrv_ctl_event_type { |
1210 | SNDRV_CTL_EVENT_ELEM = 0, |
1211 | SNDRV_CTL_EVENT_LAST = SNDRV_CTL_EVENT_ELEM, |
1212 | }; |
1213 | |
1214 | #define SNDRV_CTL_EVENT_MASK_VALUE (1<<0) /* element value was changed */ |
1215 | #define SNDRV_CTL_EVENT_MASK_INFO (1<<1) /* element info was changed */ |
1216 | #define SNDRV_CTL_EVENT_MASK_ADD (1<<2) /* element was added */ |
1217 | #define SNDRV_CTL_EVENT_MASK_TLV (1<<3) /* element TLV tree was changed */ |
1218 | #define SNDRV_CTL_EVENT_MASK_REMOVE (~0U) /* element was removed */ |
1219 | |
1220 | struct snd_ctl_event { |
1221 | int type; /* event type - SNDRV_CTL_EVENT_* */ |
1222 | union { |
1223 | struct { |
1224 | unsigned int mask; |
1225 | struct snd_ctl_elem_id id; |
1226 | } elem; |
1227 | unsigned char data8[60]; |
1228 | } data; |
1229 | }; |
1230 | |
1231 | /* |
1232 | * Control names |
1233 | */ |
1234 | |
1235 | #define SNDRV_CTL_NAME_NONE "" |
1236 | #define SNDRV_CTL_NAME_PLAYBACK "Playback " |
1237 | #define SNDRV_CTL_NAME_CAPTURE "Capture " |
1238 | |
1239 | #define SNDRV_CTL_NAME_IEC958_NONE "" |
1240 | #define SNDRV_CTL_NAME_IEC958_SWITCH "Switch" |
1241 | #define SNDRV_CTL_NAME_IEC958_VOLUME "Volume" |
1242 | #define SNDRV_CTL_NAME_IEC958_DEFAULT "Default" |
1243 | #define SNDRV_CTL_NAME_IEC958_MASK "Mask" |
1244 | #define SNDRV_CTL_NAME_IEC958_CON_MASK "Con Mask" |
1245 | #define SNDRV_CTL_NAME_IEC958_PRO_MASK "Pro Mask" |
1246 | #define SNDRV_CTL_NAME_IEC958_PCM_STREAM "PCM Stream" |
1247 | #define SNDRV_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SNDRV_CTL_NAME_##direction SNDRV_CTL_NAME_IEC958_##what |
1248 | |
1249 | #endif /* _UAPI__SOUND_ASOUND_H */ |
1250 | |