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674e95ca DH |
1 | /* |
2 | * Advanced Linux Sound Architecture - ALSA - Driver | |
3 | * Copyright (c) 1994-2003 by Jaroslav Kysela <perex@perex.cz>, | |
4 | * Abramo Bagnara <abramo@alsa-project.org> | |
5 | * | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | * | |
21 | */ | |
22 | ||
23 | #ifndef _UAPI__SOUND_ASOUND_H | |
24 | #define _UAPI__SOUND_ASOUND_H | |
25 | ||
26 | #include <linux/types.h> | |
27 | ||
28 | ||
29 | /* | |
30 | * protocol version | |
31 | */ | |
32 | ||
33 | #define SNDRV_PROTOCOL_VERSION(major, minor, subminor) (((major)<<16)|((minor)<<8)|(subminor)) | |
34 | #define SNDRV_PROTOCOL_MAJOR(version) (((version)>>16)&0xffff) | |
35 | #define SNDRV_PROTOCOL_MINOR(version) (((version)>>8)&0xff) | |
36 | #define SNDRV_PROTOCOL_MICRO(version) ((version)&0xff) | |
37 | #define SNDRV_PROTOCOL_INCOMPATIBLE(kversion, uversion) \ | |
38 | (SNDRV_PROTOCOL_MAJOR(kversion) != SNDRV_PROTOCOL_MAJOR(uversion) || \ | |
39 | (SNDRV_PROTOCOL_MAJOR(kversion) == SNDRV_PROTOCOL_MAJOR(uversion) && \ | |
40 | SNDRV_PROTOCOL_MINOR(kversion) != SNDRV_PROTOCOL_MINOR(uversion))) | |
41 | ||
42 | /**************************************************************************** | |
43 | * * | |
44 | * Digital audio interface * | |
45 | * * | |
46 | ****************************************************************************/ | |
47 | ||
48 | struct snd_aes_iec958 { | |
49 | unsigned char status[24]; /* AES/IEC958 channel status bits */ | |
50 | unsigned char subcode[147]; /* AES/IEC958 subcode bits */ | |
51 | unsigned char pad; /* nothing */ | |
52 | unsigned char dig_subframe[4]; /* AES/IEC958 subframe bits */ | |
53 | }; | |
54 | ||
55 | /**************************************************************************** | |
56 | * * | |
57 | * CEA-861 Audio InfoFrame. Used in HDMI and DisplayPort * | |
58 | * * | |
59 | ****************************************************************************/ | |
60 | ||
61 | struct snd_cea_861_aud_if { | |
62 | unsigned char db1_ct_cc; /* coding type and channel count */ | |
63 | unsigned char db2_sf_ss; /* sample frequency and size */ | |
64 | unsigned char db3; /* not used, all zeros */ | |
65 | unsigned char db4_ca; /* channel allocation code */ | |
66 | unsigned char db5_dminh_lsv; /* downmix inhibit & level-shit values */ | |
67 | }; | |
68 | ||
69 | /**************************************************************************** | |
70 | * * | |
71 | * Section for driver hardware dependent interface - /dev/snd/hw? * | |
72 | * * | |
73 | ****************************************************************************/ | |
74 | ||
75 | #define SNDRV_HWDEP_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1) | |
76 | ||
77 | enum { | |
78 | SNDRV_HWDEP_IFACE_OPL2 = 0, | |
79 | SNDRV_HWDEP_IFACE_OPL3, | |
80 | SNDRV_HWDEP_IFACE_OPL4, | |
81 | SNDRV_HWDEP_IFACE_SB16CSP, /* Creative Signal Processor */ | |
82 | SNDRV_HWDEP_IFACE_EMU10K1, /* FX8010 processor in EMU10K1 chip */ | |
83 | SNDRV_HWDEP_IFACE_YSS225, /* Yamaha FX processor */ | |
84 | SNDRV_HWDEP_IFACE_ICS2115, /* Wavetable synth */ | |
85 | SNDRV_HWDEP_IFACE_SSCAPE, /* Ensoniq SoundScape ISA card (MC68EC000) */ | |
86 | SNDRV_HWDEP_IFACE_VX, /* Digigram VX cards */ | |
87 | SNDRV_HWDEP_IFACE_MIXART, /* Digigram miXart cards */ | |
88 | SNDRV_HWDEP_IFACE_USX2Y, /* Tascam US122, US224 & US428 usb */ | |
89 | SNDRV_HWDEP_IFACE_EMUX_WAVETABLE, /* EmuX wavetable */ | |
90 | SNDRV_HWDEP_IFACE_BLUETOOTH, /* Bluetooth audio */ | |
91 | SNDRV_HWDEP_IFACE_USX2Y_PCM, /* Tascam US122, US224 & US428 rawusb pcm */ | |
92 | SNDRV_HWDEP_IFACE_PCXHR, /* Digigram PCXHR */ | |
93 | SNDRV_HWDEP_IFACE_SB_RC, /* SB Extigy/Audigy2NX remote control */ | |
94 | SNDRV_HWDEP_IFACE_HDA, /* HD-audio */ | |
95 | SNDRV_HWDEP_IFACE_USB_STREAM, /* direct access to usb stream */ | |
96 | ||
97 | /* Don't forget to change the following: */ | |
98 | SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_USB_STREAM | |
99 | }; | |
100 | ||
101 | struct snd_hwdep_info { | |
102 | unsigned int device; /* WR: device number */ | |
103 | int card; /* R: card number */ | |
104 | unsigned char id[64]; /* ID (user selectable) */ | |
105 | unsigned char name[80]; /* hwdep name */ | |
106 | int iface; /* hwdep interface */ | |
107 | unsigned char reserved[64]; /* reserved for future */ | |
108 | }; | |
109 | ||
110 | /* generic DSP loader */ | |
111 | struct snd_hwdep_dsp_status { | |
112 | unsigned int version; /* R: driver-specific version */ | |
113 | unsigned char id[32]; /* R: driver-specific ID string */ | |
114 | unsigned int num_dsps; /* R: number of DSP images to transfer */ | |
115 | unsigned int dsp_loaded; /* R: bit flags indicating the loaded DSPs */ | |
116 | unsigned int chip_ready; /* R: 1 = initialization finished */ | |
117 | unsigned char reserved[16]; /* reserved for future use */ | |
118 | }; | |
119 | ||
120 | struct snd_hwdep_dsp_image { | |
121 | unsigned int index; /* W: DSP index */ | |
122 | unsigned char name[64]; /* W: ID (e.g. file name) */ | |
123 | unsigned char __user *image; /* W: binary image */ | |
124 | size_t length; /* W: size of image in bytes */ | |
125 | unsigned long driver_data; /* W: driver-specific data */ | |
126 | }; | |
127 | ||
128 | #define SNDRV_HWDEP_IOCTL_PVERSION _IOR ('H', 0x00, int) | |
129 | #define SNDRV_HWDEP_IOCTL_INFO _IOR ('H', 0x01, struct snd_hwdep_info) | |
130 | #define SNDRV_HWDEP_IOCTL_DSP_STATUS _IOR('H', 0x02, struct snd_hwdep_dsp_status) | |
131 | #define SNDRV_HWDEP_IOCTL_DSP_LOAD _IOW('H', 0x03, struct snd_hwdep_dsp_image) | |
132 | ||
133 | /***************************************************************************** | |
134 | * * | |
135 | * Digital Audio (PCM) interface - /dev/snd/pcm?? * | |
136 | * * | |
137 | *****************************************************************************/ | |
138 | ||
4eeaaeae | 139 | #define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 11) |
674e95ca DH |
140 | |
141 | typedef unsigned long snd_pcm_uframes_t; | |
142 | typedef signed long snd_pcm_sframes_t; | |
143 | ||
144 | enum { | |
145 | SNDRV_PCM_CLASS_GENERIC = 0, /* standard mono or stereo device */ | |
146 | SNDRV_PCM_CLASS_MULTI, /* multichannel device */ | |
147 | SNDRV_PCM_CLASS_MODEM, /* software modem class */ | |
148 | SNDRV_PCM_CLASS_DIGITIZER, /* digitizer class */ | |
149 | /* Don't forget to change the following: */ | |
150 | SNDRV_PCM_CLASS_LAST = SNDRV_PCM_CLASS_DIGITIZER, | |
151 | }; | |
152 | ||
153 | enum { | |
154 | SNDRV_PCM_SUBCLASS_GENERIC_MIX = 0, /* mono or stereo subdevices are mixed together */ | |
155 | SNDRV_PCM_SUBCLASS_MULTI_MIX, /* multichannel subdevices are mixed together */ | |
156 | /* Don't forget to change the following: */ | |
157 | SNDRV_PCM_SUBCLASS_LAST = SNDRV_PCM_SUBCLASS_MULTI_MIX, | |
158 | }; | |
159 | ||
160 | enum { | |
161 | SNDRV_PCM_STREAM_PLAYBACK = 0, | |
162 | SNDRV_PCM_STREAM_CAPTURE, | |
163 | SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE, | |
164 | }; | |
165 | ||
166 | typedef int __bitwise snd_pcm_access_t; | |
167 | #define SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ((__force snd_pcm_access_t) 0) /* interleaved mmap */ | |
168 | #define SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ((__force snd_pcm_access_t) 1) /* noninterleaved mmap */ | |
169 | #define SNDRV_PCM_ACCESS_MMAP_COMPLEX ((__force snd_pcm_access_t) 2) /* complex mmap */ | |
170 | #define SNDRV_PCM_ACCESS_RW_INTERLEAVED ((__force snd_pcm_access_t) 3) /* readi/writei */ | |
171 | #define SNDRV_PCM_ACCESS_RW_NONINTERLEAVED ((__force snd_pcm_access_t) 4) /* readn/writen */ | |
172 | #define SNDRV_PCM_ACCESS_LAST SNDRV_PCM_ACCESS_RW_NONINTERLEAVED | |
173 | ||
174 | typedef int __bitwise snd_pcm_format_t; | |
175 | #define SNDRV_PCM_FORMAT_S8 ((__force snd_pcm_format_t) 0) | |
176 | #define SNDRV_PCM_FORMAT_U8 ((__force snd_pcm_format_t) 1) | |
177 | #define SNDRV_PCM_FORMAT_S16_LE ((__force snd_pcm_format_t) 2) | |
178 | #define SNDRV_PCM_FORMAT_S16_BE ((__force snd_pcm_format_t) 3) | |
179 | #define SNDRV_PCM_FORMAT_U16_LE ((__force snd_pcm_format_t) 4) | |
180 | #define SNDRV_PCM_FORMAT_U16_BE ((__force snd_pcm_format_t) 5) | |
181 | #define SNDRV_PCM_FORMAT_S24_LE ((__force snd_pcm_format_t) 6) /* low three bytes */ | |
182 | #define SNDRV_PCM_FORMAT_S24_BE ((__force snd_pcm_format_t) 7) /* low three bytes */ | |
183 | #define SNDRV_PCM_FORMAT_U24_LE ((__force snd_pcm_format_t) 8) /* low three bytes */ | |
184 | #define SNDRV_PCM_FORMAT_U24_BE ((__force snd_pcm_format_t) 9) /* low three bytes */ | |
185 | #define SNDRV_PCM_FORMAT_S32_LE ((__force snd_pcm_format_t) 10) | |
186 | #define SNDRV_PCM_FORMAT_S32_BE ((__force snd_pcm_format_t) 11) | |
187 | #define SNDRV_PCM_FORMAT_U32_LE ((__force snd_pcm_format_t) 12) | |
188 | #define SNDRV_PCM_FORMAT_U32_BE ((__force snd_pcm_format_t) 13) | |
189 | #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 */ | |
190 | #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 */ | |
191 | #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 */ | |
192 | #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 */ | |
193 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE ((__force snd_pcm_format_t) 18) /* IEC-958 subframe, Little Endian */ | |
194 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE ((__force snd_pcm_format_t) 19) /* IEC-958 subframe, Big Endian */ | |
195 | #define SNDRV_PCM_FORMAT_MU_LAW ((__force snd_pcm_format_t) 20) | |
196 | #define SNDRV_PCM_FORMAT_A_LAW ((__force snd_pcm_format_t) 21) | |
197 | #define SNDRV_PCM_FORMAT_IMA_ADPCM ((__force snd_pcm_format_t) 22) | |
198 | #define SNDRV_PCM_FORMAT_MPEG ((__force snd_pcm_format_t) 23) | |
199 | #define SNDRV_PCM_FORMAT_GSM ((__force snd_pcm_format_t) 24) | |
200 | #define SNDRV_PCM_FORMAT_SPECIAL ((__force snd_pcm_format_t) 31) | |
201 | #define SNDRV_PCM_FORMAT_S24_3LE ((__force snd_pcm_format_t) 32) /* in three bytes */ | |
202 | #define SNDRV_PCM_FORMAT_S24_3BE ((__force snd_pcm_format_t) 33) /* in three bytes */ | |
203 | #define SNDRV_PCM_FORMAT_U24_3LE ((__force snd_pcm_format_t) 34) /* in three bytes */ | |
204 | #define SNDRV_PCM_FORMAT_U24_3BE ((__force snd_pcm_format_t) 35) /* in three bytes */ | |
205 | #define SNDRV_PCM_FORMAT_S20_3LE ((__force snd_pcm_format_t) 36) /* in three bytes */ | |
206 | #define SNDRV_PCM_FORMAT_S20_3BE ((__force snd_pcm_format_t) 37) /* in three bytes */ | |
207 | #define SNDRV_PCM_FORMAT_U20_3LE ((__force snd_pcm_format_t) 38) /* in three bytes */ | |
208 | #define SNDRV_PCM_FORMAT_U20_3BE ((__force snd_pcm_format_t) 39) /* in three bytes */ | |
209 | #define SNDRV_PCM_FORMAT_S18_3LE ((__force snd_pcm_format_t) 40) /* in three bytes */ | |
210 | #define SNDRV_PCM_FORMAT_S18_3BE ((__force snd_pcm_format_t) 41) /* in three bytes */ | |
211 | #define SNDRV_PCM_FORMAT_U18_3LE ((__force snd_pcm_format_t) 42) /* in three bytes */ | |
212 | #define SNDRV_PCM_FORMAT_U18_3BE ((__force snd_pcm_format_t) 43) /* in three bytes */ | |
213 | #define SNDRV_PCM_FORMAT_G723_24 ((__force snd_pcm_format_t) 44) /* 8 samples in 3 bytes */ | |
214 | #define SNDRV_PCM_FORMAT_G723_24_1B ((__force snd_pcm_format_t) 45) /* 1 sample in 1 byte */ | |
215 | #define SNDRV_PCM_FORMAT_G723_40 ((__force snd_pcm_format_t) 46) /* 8 Samples in 5 bytes */ | |
216 | #define SNDRV_PCM_FORMAT_G723_40_1B ((__force snd_pcm_format_t) 47) /* 1 sample in 1 byte */ | |
217 | #define SNDRV_PCM_FORMAT_LAST SNDRV_PCM_FORMAT_G723_40_1B | |
218 | ||
219 | #ifdef SNDRV_LITTLE_ENDIAN | |
220 | #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_LE | |
221 | #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_LE | |
222 | #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_LE | |
223 | #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_LE | |
224 | #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_LE | |
225 | #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_LE | |
226 | #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_LE | |
227 | #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_LE | |
228 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE | |
229 | #endif | |
230 | #ifdef SNDRV_BIG_ENDIAN | |
231 | #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_BE | |
232 | #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_BE | |
233 | #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_BE | |
234 | #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_BE | |
235 | #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_BE | |
236 | #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_BE | |
237 | #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_BE | |
238 | #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_BE | |
239 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE | |
240 | #endif | |
241 | ||
242 | typedef int __bitwise snd_pcm_subformat_t; | |
243 | #define SNDRV_PCM_SUBFORMAT_STD ((__force snd_pcm_subformat_t) 0) | |
244 | #define SNDRV_PCM_SUBFORMAT_LAST SNDRV_PCM_SUBFORMAT_STD | |
245 | ||
246 | #define SNDRV_PCM_INFO_MMAP 0x00000001 /* hardware supports mmap */ | |
247 | #define SNDRV_PCM_INFO_MMAP_VALID 0x00000002 /* period data are valid during transfer */ | |
248 | #define SNDRV_PCM_INFO_DOUBLE 0x00000004 /* Double buffering needed for PCM start/stop */ | |
249 | #define SNDRV_PCM_INFO_BATCH 0x00000010 /* double buffering */ | |
250 | #define SNDRV_PCM_INFO_INTERLEAVED 0x00000100 /* channels are interleaved */ | |
251 | #define SNDRV_PCM_INFO_NONINTERLEAVED 0x00000200 /* channels are not interleaved */ | |
252 | #define SNDRV_PCM_INFO_COMPLEX 0x00000400 /* complex frame organization (mmap only) */ | |
253 | #define SNDRV_PCM_INFO_BLOCK_TRANSFER 0x00010000 /* hardware transfer block of samples */ | |
254 | #define SNDRV_PCM_INFO_OVERRANGE 0x00020000 /* hardware supports ADC (capture) overrange detection */ | |
255 | #define SNDRV_PCM_INFO_RESUME 0x00040000 /* hardware supports stream resume after suspend */ | |
256 | #define SNDRV_PCM_INFO_PAUSE 0x00080000 /* pause ioctl is supported */ | |
257 | #define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000 /* only half duplex */ | |
258 | #define SNDRV_PCM_INFO_JOINT_DUPLEX 0x00200000 /* playback and capture stream are somewhat correlated */ | |
259 | #define SNDRV_PCM_INFO_SYNC_START 0x00400000 /* pcm support some kind of sync go */ | |
260 | #define SNDRV_PCM_INFO_NO_PERIOD_WAKEUP 0x00800000 /* period wakeup can be disabled */ | |
4eeaaeae | 261 | #define SNDRV_PCM_INFO_HAS_WALL_CLOCK 0x01000000 /* has audio wall clock for audio/system time sync */ |
674e95ca DH |
262 | #define SNDRV_PCM_INFO_FIFO_IN_FRAMES 0x80000000 /* internal kernel flag - FIFO size is in frames */ |
263 | ||
264 | typedef int __bitwise snd_pcm_state_t; | |
265 | #define SNDRV_PCM_STATE_OPEN ((__force snd_pcm_state_t) 0) /* stream is open */ | |
266 | #define SNDRV_PCM_STATE_SETUP ((__force snd_pcm_state_t) 1) /* stream has a setup */ | |
267 | #define SNDRV_PCM_STATE_PREPARED ((__force snd_pcm_state_t) 2) /* stream is ready to start */ | |
268 | #define SNDRV_PCM_STATE_RUNNING ((__force snd_pcm_state_t) 3) /* stream is running */ | |
269 | #define SNDRV_PCM_STATE_XRUN ((__force snd_pcm_state_t) 4) /* stream reached an xrun */ | |
270 | #define SNDRV_PCM_STATE_DRAINING ((__force snd_pcm_state_t) 5) /* stream is draining */ | |
271 | #define SNDRV_PCM_STATE_PAUSED ((__force snd_pcm_state_t) 6) /* stream is paused */ | |
272 | #define SNDRV_PCM_STATE_SUSPENDED ((__force snd_pcm_state_t) 7) /* hardware is suspended */ | |
273 | #define SNDRV_PCM_STATE_DISCONNECTED ((__force snd_pcm_state_t) 8) /* hardware is disconnected */ | |
274 | #define SNDRV_PCM_STATE_LAST SNDRV_PCM_STATE_DISCONNECTED | |
275 | ||
276 | enum { | |
277 | SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000, | |
278 | SNDRV_PCM_MMAP_OFFSET_STATUS = 0x80000000, | |
279 | SNDRV_PCM_MMAP_OFFSET_CONTROL = 0x81000000, | |
280 | }; | |
281 | ||
282 | union snd_pcm_sync_id { | |
283 | unsigned char id[16]; | |
284 | unsigned short id16[8]; | |
285 | unsigned int id32[4]; | |
286 | }; | |
287 | ||
288 | struct snd_pcm_info { | |
289 | unsigned int device; /* RO/WR (control): device number */ | |
290 | unsigned int subdevice; /* RO/WR (control): subdevice number */ | |
291 | int stream; /* RO/WR (control): stream direction */ | |
292 | int card; /* R: card number */ | |
293 | unsigned char id[64]; /* ID (user selectable) */ | |
294 | unsigned char name[80]; /* name of this device */ | |
295 | unsigned char subname[32]; /* subdevice name */ | |
296 | int dev_class; /* SNDRV_PCM_CLASS_* */ | |
297 | int dev_subclass; /* SNDRV_PCM_SUBCLASS_* */ | |
298 | unsigned int subdevices_count; | |
299 | unsigned int subdevices_avail; | |
300 | union snd_pcm_sync_id sync; /* hardware synchronization ID */ | |
301 | unsigned char reserved[64]; /* reserved for future... */ | |
302 | }; | |
303 | ||
304 | typedef int snd_pcm_hw_param_t; | |
305 | #define SNDRV_PCM_HW_PARAM_ACCESS 0 /* Access type */ | |
306 | #define SNDRV_PCM_HW_PARAM_FORMAT 1 /* Format */ | |
307 | #define SNDRV_PCM_HW_PARAM_SUBFORMAT 2 /* Subformat */ | |
308 | #define SNDRV_PCM_HW_PARAM_FIRST_MASK SNDRV_PCM_HW_PARAM_ACCESS | |
309 | #define SNDRV_PCM_HW_PARAM_LAST_MASK SNDRV_PCM_HW_PARAM_SUBFORMAT | |
310 | ||
311 | #define SNDRV_PCM_HW_PARAM_SAMPLE_BITS 8 /* Bits per sample */ | |
312 | #define SNDRV_PCM_HW_PARAM_FRAME_BITS 9 /* Bits per frame */ | |
313 | #define SNDRV_PCM_HW_PARAM_CHANNELS 10 /* Channels */ | |
314 | #define SNDRV_PCM_HW_PARAM_RATE 11 /* Approx rate */ | |
315 | #define SNDRV_PCM_HW_PARAM_PERIOD_TIME 12 /* Approx distance between | |
316 | * interrupts in us | |
317 | */ | |
318 | #define SNDRV_PCM_HW_PARAM_PERIOD_SIZE 13 /* Approx frames between | |
319 | * interrupts | |
320 | */ | |
321 | #define SNDRV_PCM_HW_PARAM_PERIOD_BYTES 14 /* Approx bytes between | |
322 | * interrupts | |
323 | */ | |
324 | #define SNDRV_PCM_HW_PARAM_PERIODS 15 /* Approx interrupts per | |
325 | * buffer | |
326 | */ | |
327 | #define SNDRV_PCM_HW_PARAM_BUFFER_TIME 16 /* Approx duration of buffer | |
328 | * in us | |
329 | */ | |
330 | #define SNDRV_PCM_HW_PARAM_BUFFER_SIZE 17 /* Size of buffer in frames */ | |
331 | #define SNDRV_PCM_HW_PARAM_BUFFER_BYTES 18 /* Size of buffer in bytes */ | |
332 | #define SNDRV_PCM_HW_PARAM_TICK_TIME 19 /* Approx tick duration in us */ | |
333 | #define SNDRV_PCM_HW_PARAM_FIRST_INTERVAL SNDRV_PCM_HW_PARAM_SAMPLE_BITS | |
334 | #define SNDRV_PCM_HW_PARAM_LAST_INTERVAL SNDRV_PCM_HW_PARAM_TICK_TIME | |
335 | ||
336 | #define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1<<0) /* avoid rate resampling */ | |
337 | #define SNDRV_PCM_HW_PARAMS_EXPORT_BUFFER (1<<1) /* export buffer */ | |
338 | #define SNDRV_PCM_HW_PARAMS_NO_PERIOD_WAKEUP (1<<2) /* disable period wakeups */ | |
339 | ||
340 | struct snd_interval { | |
341 | unsigned int min, max; | |
342 | unsigned int openmin:1, | |
343 | openmax:1, | |
344 | integer:1, | |
345 | empty:1; | |
346 | }; | |
347 | ||
348 | #define SNDRV_MASK_MAX 256 | |
349 | ||
350 | struct snd_mask { | |
351 | __u32 bits[(SNDRV_MASK_MAX+31)/32]; | |
352 | }; | |
353 | ||
354 | struct snd_pcm_hw_params { | |
355 | unsigned int flags; | |
356 | struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - | |
357 | SNDRV_PCM_HW_PARAM_FIRST_MASK + 1]; | |
358 | struct snd_mask mres[5]; /* reserved masks */ | |
359 | struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL - | |
360 | SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1]; | |
361 | struct snd_interval ires[9]; /* reserved intervals */ | |
362 | unsigned int rmask; /* W: requested masks */ | |
363 | unsigned int cmask; /* R: changed masks */ | |
364 | unsigned int info; /* R: Info flags for returned setup */ | |
365 | unsigned int msbits; /* R: used most significant bits */ | |
366 | unsigned int rate_num; /* R: rate numerator */ | |
367 | unsigned int rate_den; /* R: rate denominator */ | |
368 | snd_pcm_uframes_t fifo_size; /* R: chip FIFO size in frames */ | |
369 | unsigned char reserved[64]; /* reserved for future */ | |
370 | }; | |
371 | ||
372 | enum { | |
373 | SNDRV_PCM_TSTAMP_NONE = 0, | |
374 | SNDRV_PCM_TSTAMP_ENABLE, | |
375 | SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_ENABLE, | |
376 | }; | |
377 | ||
378 | struct snd_pcm_sw_params { | |
379 | int tstamp_mode; /* timestamp mode */ | |
380 | unsigned int period_step; | |
381 | unsigned int sleep_min; /* min ticks to sleep */ | |
382 | snd_pcm_uframes_t avail_min; /* min avail frames for wakeup */ | |
383 | snd_pcm_uframes_t xfer_align; /* obsolete: xfer size need to be a multiple */ | |
384 | snd_pcm_uframes_t start_threshold; /* min hw_avail frames for automatic start */ | |
385 | snd_pcm_uframes_t stop_threshold; /* min avail frames for automatic stop */ | |
386 | snd_pcm_uframes_t silence_threshold; /* min distance from noise for silence filling */ | |
387 | snd_pcm_uframes_t silence_size; /* silence block size */ | |
388 | snd_pcm_uframes_t boundary; /* pointers wrap point */ | |
389 | unsigned char reserved[64]; /* reserved for future */ | |
390 | }; | |
391 | ||
392 | struct snd_pcm_channel_info { | |
393 | unsigned int channel; | |
394 | __kernel_off_t offset; /* mmap offset */ | |
395 | unsigned int first; /* offset to first sample in bits */ | |
396 | unsigned int step; /* samples distance in bits */ | |
397 | }; | |
398 | ||
399 | struct snd_pcm_status { | |
400 | snd_pcm_state_t state; /* stream state */ | |
401 | struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */ | |
402 | struct timespec tstamp; /* reference timestamp */ | |
403 | snd_pcm_uframes_t appl_ptr; /* appl ptr */ | |
404 | snd_pcm_uframes_t hw_ptr; /* hw ptr */ | |
405 | snd_pcm_sframes_t delay; /* current delay in frames */ | |
406 | snd_pcm_uframes_t avail; /* number of frames available */ | |
407 | snd_pcm_uframes_t avail_max; /* max frames available on hw since last status */ | |
408 | snd_pcm_uframes_t overrange; /* count of ADC (capture) overrange detections from last status */ | |
409 | snd_pcm_state_t suspended_state; /* suspended stream state */ | |
4eeaaeae PLB |
410 | struct timespec audio_tstamp; /* from sample counter or wall clock */ |
411 | unsigned char reserved[60-sizeof(struct timespec)]; /* must be filled with zero */ | |
674e95ca DH |
412 | }; |
413 | ||
414 | struct snd_pcm_mmap_status { | |
415 | snd_pcm_state_t state; /* RO: state - SNDRV_PCM_STATE_XXXX */ | |
416 | int pad1; /* Needed for 64 bit alignment */ | |
417 | snd_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */ | |
418 | struct timespec tstamp; /* Timestamp */ | |
419 | snd_pcm_state_t suspended_state; /* RO: suspended stream state */ | |
4eeaaeae | 420 | struct timespec audio_tstamp; /* from sample counter or wall clock */ |
674e95ca DH |
421 | }; |
422 | ||
423 | struct snd_pcm_mmap_control { | |
424 | snd_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */ | |
425 | snd_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */ | |
426 | }; | |
427 | ||
428 | #define SNDRV_PCM_SYNC_PTR_HWSYNC (1<<0) /* execute hwsync */ | |
429 | #define SNDRV_PCM_SYNC_PTR_APPL (1<<1) /* get appl_ptr from driver (r/w op) */ | |
430 | #define SNDRV_PCM_SYNC_PTR_AVAIL_MIN (1<<2) /* get avail_min from driver */ | |
431 | ||
432 | struct snd_pcm_sync_ptr { | |
433 | unsigned int flags; | |
434 | union { | |
435 | struct snd_pcm_mmap_status status; | |
436 | unsigned char reserved[64]; | |
437 | } s; | |
438 | union { | |
439 | struct snd_pcm_mmap_control control; | |
440 | unsigned char reserved[64]; | |
441 | } c; | |
442 | }; | |
443 | ||
444 | struct snd_xferi { | |
445 | snd_pcm_sframes_t result; | |
446 | void __user *buf; | |
447 | snd_pcm_uframes_t frames; | |
448 | }; | |
449 | ||
450 | struct snd_xfern { | |
451 | snd_pcm_sframes_t result; | |
452 | void __user * __user *bufs; | |
453 | snd_pcm_uframes_t frames; | |
454 | }; | |
455 | ||
456 | enum { | |
457 | SNDRV_PCM_TSTAMP_TYPE_GETTIMEOFDAY = 0, /* gettimeofday equivalent */ | |
458 | SNDRV_PCM_TSTAMP_TYPE_MONOTONIC, /* posix_clock_monotonic equivalent */ | |
459 | SNDRV_PCM_TSTAMP_TYPE_LAST = SNDRV_PCM_TSTAMP_TYPE_MONOTONIC, | |
460 | }; | |
461 | ||
462 | /* channel positions */ | |
463 | enum { | |
464 | SNDRV_CHMAP_UNKNOWN = 0, | |
465 | SNDRV_CHMAP_NA, /* N/A, silent */ | |
466 | SNDRV_CHMAP_MONO, /* mono stream */ | |
467 | /* this follows the alsa-lib mixer channel value + 3 */ | |
468 | SNDRV_CHMAP_FL, /* front left */ | |
469 | SNDRV_CHMAP_FR, /* front right */ | |
470 | SNDRV_CHMAP_RL, /* rear left */ | |
471 | SNDRV_CHMAP_RR, /* rear right */ | |
472 | SNDRV_CHMAP_FC, /* front center */ | |
473 | SNDRV_CHMAP_LFE, /* LFE */ | |
474 | SNDRV_CHMAP_SL, /* side left */ | |
475 | SNDRV_CHMAP_SR, /* side right */ | |
476 | SNDRV_CHMAP_RC, /* rear center */ | |
477 | /* new definitions */ | |
478 | SNDRV_CHMAP_FLC, /* front left center */ | |
479 | SNDRV_CHMAP_FRC, /* front right center */ | |
480 | SNDRV_CHMAP_RLC, /* rear left center */ | |
481 | SNDRV_CHMAP_RRC, /* rear right center */ | |
482 | SNDRV_CHMAP_FLW, /* front left wide */ | |
483 | SNDRV_CHMAP_FRW, /* front right wide */ | |
484 | SNDRV_CHMAP_FLH, /* front left high */ | |
485 | SNDRV_CHMAP_FCH, /* front center high */ | |
486 | SNDRV_CHMAP_FRH, /* front right high */ | |
487 | SNDRV_CHMAP_TC, /* top center */ | |
488 | SNDRV_CHMAP_TFL, /* top front left */ | |
489 | SNDRV_CHMAP_TFR, /* top front right */ | |
490 | SNDRV_CHMAP_TFC, /* top front center */ | |
491 | SNDRV_CHMAP_TRL, /* top rear left */ | |
492 | SNDRV_CHMAP_TRR, /* top rear right */ | |
493 | SNDRV_CHMAP_TRC, /* top rear center */ | |
494 | SNDRV_CHMAP_LAST = SNDRV_CHMAP_TRC, | |
495 | }; | |
496 | ||
497 | #define SNDRV_CHMAP_POSITION_MASK 0xffff | |
498 | #define SNDRV_CHMAP_PHASE_INVERSE (0x01 << 16) | |
499 | #define SNDRV_CHMAP_DRIVER_SPEC (0x02 << 16) | |
500 | ||
501 | #define SNDRV_PCM_IOCTL_PVERSION _IOR('A', 0x00, int) | |
502 | #define SNDRV_PCM_IOCTL_INFO _IOR('A', 0x01, struct snd_pcm_info) | |
503 | #define SNDRV_PCM_IOCTL_TSTAMP _IOW('A', 0x02, int) | |
504 | #define SNDRV_PCM_IOCTL_TTSTAMP _IOW('A', 0x03, int) | |
505 | #define SNDRV_PCM_IOCTL_HW_REFINE _IOWR('A', 0x10, struct snd_pcm_hw_params) | |
506 | #define SNDRV_PCM_IOCTL_HW_PARAMS _IOWR('A', 0x11, struct snd_pcm_hw_params) | |
507 | #define SNDRV_PCM_IOCTL_HW_FREE _IO('A', 0x12) | |
508 | #define SNDRV_PCM_IOCTL_SW_PARAMS _IOWR('A', 0x13, struct snd_pcm_sw_params) | |
509 | #define SNDRV_PCM_IOCTL_STATUS _IOR('A', 0x20, struct snd_pcm_status) | |
510 | #define SNDRV_PCM_IOCTL_DELAY _IOR('A', 0x21, snd_pcm_sframes_t) | |
511 | #define SNDRV_PCM_IOCTL_HWSYNC _IO('A', 0x22) | |
512 | #define SNDRV_PCM_IOCTL_SYNC_PTR _IOWR('A', 0x23, struct snd_pcm_sync_ptr) | |
513 | #define SNDRV_PCM_IOCTL_CHANNEL_INFO _IOR('A', 0x32, struct snd_pcm_channel_info) | |
514 | #define SNDRV_PCM_IOCTL_PREPARE _IO('A', 0x40) | |
515 | #define SNDRV_PCM_IOCTL_RESET _IO('A', 0x41) | |
516 | #define SNDRV_PCM_IOCTL_START _IO('A', 0x42) | |
517 | #define SNDRV_PCM_IOCTL_DROP _IO('A', 0x43) | |
518 | #define SNDRV_PCM_IOCTL_DRAIN _IO('A', 0x44) | |
519 | #define SNDRV_PCM_IOCTL_PAUSE _IOW('A', 0x45, int) | |
520 | #define SNDRV_PCM_IOCTL_REWIND _IOW('A', 0x46, snd_pcm_uframes_t) | |
521 | #define SNDRV_PCM_IOCTL_RESUME _IO('A', 0x47) | |
522 | #define SNDRV_PCM_IOCTL_XRUN _IO('A', 0x48) | |
523 | #define SNDRV_PCM_IOCTL_FORWARD _IOW('A', 0x49, snd_pcm_uframes_t) | |
524 | #define SNDRV_PCM_IOCTL_WRITEI_FRAMES _IOW('A', 0x50, struct snd_xferi) | |
525 | #define SNDRV_PCM_IOCTL_READI_FRAMES _IOR('A', 0x51, struct snd_xferi) | |
526 | #define SNDRV_PCM_IOCTL_WRITEN_FRAMES _IOW('A', 0x52, struct snd_xfern) | |
527 | #define SNDRV_PCM_IOCTL_READN_FRAMES _IOR('A', 0x53, struct snd_xfern) | |
528 | #define SNDRV_PCM_IOCTL_LINK _IOW('A', 0x60, int) | |
529 | #define SNDRV_PCM_IOCTL_UNLINK _IO('A', 0x61) | |
530 | ||
531 | /***************************************************************************** | |
532 | * * | |
533 | * MIDI v1.0 interface * | |
534 | * * | |
535 | *****************************************************************************/ | |
536 | ||
537 | /* | |
538 | * Raw MIDI section - /dev/snd/midi?? | |
539 | */ | |
540 | ||
541 | #define SNDRV_RAWMIDI_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 0) | |
542 | ||
543 | enum { | |
544 | SNDRV_RAWMIDI_STREAM_OUTPUT = 0, | |
545 | SNDRV_RAWMIDI_STREAM_INPUT, | |
546 | SNDRV_RAWMIDI_STREAM_LAST = SNDRV_RAWMIDI_STREAM_INPUT, | |
547 | }; | |
548 | ||
549 | #define SNDRV_RAWMIDI_INFO_OUTPUT 0x00000001 | |
550 | #define SNDRV_RAWMIDI_INFO_INPUT 0x00000002 | |
551 | #define SNDRV_RAWMIDI_INFO_DUPLEX 0x00000004 | |
552 | ||
553 | struct snd_rawmidi_info { | |
554 | unsigned int device; /* RO/WR (control): device number */ | |
555 | unsigned int subdevice; /* RO/WR (control): subdevice number */ | |
556 | int stream; /* WR: stream */ | |
557 | int card; /* R: card number */ | |
558 | unsigned int flags; /* SNDRV_RAWMIDI_INFO_XXXX */ | |
559 | unsigned char id[64]; /* ID (user selectable) */ | |
560 | unsigned char name[80]; /* name of device */ | |
561 | unsigned char subname[32]; /* name of active or selected subdevice */ | |
562 | unsigned int subdevices_count; | |
563 | unsigned int subdevices_avail; | |
564 | unsigned char reserved[64]; /* reserved for future use */ | |
565 | }; | |
566 | ||
567 | struct snd_rawmidi_params { | |
568 | int stream; | |
569 | size_t buffer_size; /* queue size in bytes */ | |
570 | size_t avail_min; /* minimum avail bytes for wakeup */ | |
571 | unsigned int no_active_sensing: 1; /* do not send active sensing byte in close() */ | |
572 | unsigned char reserved[16]; /* reserved for future use */ | |
573 | }; | |
574 | ||
575 | struct snd_rawmidi_status { | |
576 | int stream; | |
577 | struct timespec tstamp; /* Timestamp */ | |
578 | size_t avail; /* available bytes */ | |
579 | size_t xruns; /* count of overruns since last status (in bytes) */ | |
580 | unsigned char reserved[16]; /* reserved for future use */ | |
581 | }; | |
582 | ||
583 | #define SNDRV_RAWMIDI_IOCTL_PVERSION _IOR('W', 0x00, int) | |
584 | #define SNDRV_RAWMIDI_IOCTL_INFO _IOR('W', 0x01, struct snd_rawmidi_info) | |
585 | #define SNDRV_RAWMIDI_IOCTL_PARAMS _IOWR('W', 0x10, struct snd_rawmidi_params) | |
586 | #define SNDRV_RAWMIDI_IOCTL_STATUS _IOWR('W', 0x20, struct snd_rawmidi_status) | |
587 | #define SNDRV_RAWMIDI_IOCTL_DROP _IOW('W', 0x30, int) | |
588 | #define SNDRV_RAWMIDI_IOCTL_DRAIN _IOW('W', 0x31, int) | |
589 | ||
590 | /* | |
591 | * Timer section - /dev/snd/timer | |
592 | */ | |
593 | ||
594 | #define SNDRV_TIMER_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 6) | |
595 | ||
596 | enum { | |
597 | SNDRV_TIMER_CLASS_NONE = -1, | |
598 | SNDRV_TIMER_CLASS_SLAVE = 0, | |
599 | SNDRV_TIMER_CLASS_GLOBAL, | |
600 | SNDRV_TIMER_CLASS_CARD, | |
601 | SNDRV_TIMER_CLASS_PCM, | |
602 | SNDRV_TIMER_CLASS_LAST = SNDRV_TIMER_CLASS_PCM, | |
603 | }; | |
604 | ||
605 | /* slave timer classes */ | |
606 | enum { | |
607 | SNDRV_TIMER_SCLASS_NONE = 0, | |
608 | SNDRV_TIMER_SCLASS_APPLICATION, | |
609 | SNDRV_TIMER_SCLASS_SEQUENCER, /* alias */ | |
610 | SNDRV_TIMER_SCLASS_OSS_SEQUENCER, /* alias */ | |
611 | SNDRV_TIMER_SCLASS_LAST = SNDRV_TIMER_SCLASS_OSS_SEQUENCER, | |
612 | }; | |
613 | ||
614 | /* global timers (device member) */ | |
615 | #define SNDRV_TIMER_GLOBAL_SYSTEM 0 | |
616 | #define SNDRV_TIMER_GLOBAL_RTC 1 | |
617 | #define SNDRV_TIMER_GLOBAL_HPET 2 | |
618 | #define SNDRV_TIMER_GLOBAL_HRTIMER 3 | |
619 | ||
620 | /* info flags */ | |
621 | #define SNDRV_TIMER_FLG_SLAVE (1<<0) /* cannot be controlled */ | |
622 | ||
623 | struct snd_timer_id { | |
624 | int dev_class; | |
625 | int dev_sclass; | |
626 | int card; | |
627 | int device; | |
628 | int subdevice; | |
629 | }; | |
630 | ||
631 | struct snd_timer_ginfo { | |
632 | struct snd_timer_id tid; /* requested timer ID */ | |
633 | unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ | |
634 | int card; /* card number */ | |
635 | unsigned char id[64]; /* timer identification */ | |
636 | unsigned char name[80]; /* timer name */ | |
637 | unsigned long reserved0; /* reserved for future use */ | |
638 | unsigned long resolution; /* average period resolution in ns */ | |
639 | unsigned long resolution_min; /* minimal period resolution in ns */ | |
640 | unsigned long resolution_max; /* maximal period resolution in ns */ | |
641 | unsigned int clients; /* active timer clients */ | |
642 | unsigned char reserved[32]; | |
643 | }; | |
644 | ||
645 | struct snd_timer_gparams { | |
646 | struct snd_timer_id tid; /* requested timer ID */ | |
647 | unsigned long period_num; /* requested precise period duration (in seconds) - numerator */ | |
648 | unsigned long period_den; /* requested precise period duration (in seconds) - denominator */ | |
649 | unsigned char reserved[32]; | |
650 | }; | |
651 | ||
652 | struct snd_timer_gstatus { | |
653 | struct snd_timer_id tid; /* requested timer ID */ | |
654 | unsigned long resolution; /* current period resolution in ns */ | |
655 | unsigned long resolution_num; /* precise current period resolution (in seconds) - numerator */ | |
656 | unsigned long resolution_den; /* precise current period resolution (in seconds) - denominator */ | |
657 | unsigned char reserved[32]; | |
658 | }; | |
659 | ||
660 | struct snd_timer_select { | |
661 | struct snd_timer_id id; /* bind to timer ID */ | |
662 | unsigned char reserved[32]; /* reserved */ | |
663 | }; | |
664 | ||
665 | struct snd_timer_info { | |
666 | unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ | |
667 | int card; /* card number */ | |
668 | unsigned char id[64]; /* timer identificator */ | |
669 | unsigned char name[80]; /* timer name */ | |
670 | unsigned long reserved0; /* reserved for future use */ | |
671 | unsigned long resolution; /* average period resolution in ns */ | |
672 | unsigned char reserved[64]; /* reserved */ | |
673 | }; | |
674 | ||
675 | #define SNDRV_TIMER_PSFLG_AUTO (1<<0) /* auto start, otherwise one-shot */ | |
676 | #define SNDRV_TIMER_PSFLG_EXCLUSIVE (1<<1) /* exclusive use, precise start/stop/pause/continue */ | |
677 | #define SNDRV_TIMER_PSFLG_EARLY_EVENT (1<<2) /* write early event to the poll queue */ | |
678 | ||
679 | struct snd_timer_params { | |
680 | unsigned int flags; /* flags - SNDRV_MIXER_PSFLG_* */ | |
681 | unsigned int ticks; /* requested resolution in ticks */ | |
682 | unsigned int queue_size; /* total size of queue (32-1024) */ | |
683 | unsigned int reserved0; /* reserved, was: failure locations */ | |
684 | unsigned int filter; /* event filter (bitmask of SNDRV_TIMER_EVENT_*) */ | |
685 | unsigned char reserved[60]; /* reserved */ | |
686 | }; | |
687 | ||
688 | struct snd_timer_status { | |
689 | struct timespec tstamp; /* Timestamp - last update */ | |
690 | unsigned int resolution; /* current period resolution in ns */ | |
691 | unsigned int lost; /* counter of master tick lost */ | |
692 | unsigned int overrun; /* count of read queue overruns */ | |
693 | unsigned int queue; /* used queue size */ | |
694 | unsigned char reserved[64]; /* reserved */ | |
695 | }; | |
696 | ||
697 | #define SNDRV_TIMER_IOCTL_PVERSION _IOR('T', 0x00, int) | |
698 | #define SNDRV_TIMER_IOCTL_NEXT_DEVICE _IOWR('T', 0x01, struct snd_timer_id) | |
699 | #define SNDRV_TIMER_IOCTL_TREAD _IOW('T', 0x02, int) | |
700 | #define SNDRV_TIMER_IOCTL_GINFO _IOWR('T', 0x03, struct snd_timer_ginfo) | |
701 | #define SNDRV_TIMER_IOCTL_GPARAMS _IOW('T', 0x04, struct snd_timer_gparams) | |
702 | #define SNDRV_TIMER_IOCTL_GSTATUS _IOWR('T', 0x05, struct snd_timer_gstatus) | |
703 | #define SNDRV_TIMER_IOCTL_SELECT _IOW('T', 0x10, struct snd_timer_select) | |
704 | #define SNDRV_TIMER_IOCTL_INFO _IOR('T', 0x11, struct snd_timer_info) | |
705 | #define SNDRV_TIMER_IOCTL_PARAMS _IOW('T', 0x12, struct snd_timer_params) | |
706 | #define SNDRV_TIMER_IOCTL_STATUS _IOR('T', 0x14, struct snd_timer_status) | |
707 | /* The following four ioctls are changed since 1.0.9 due to confliction */ | |
708 | #define SNDRV_TIMER_IOCTL_START _IO('T', 0xa0) | |
709 | #define SNDRV_TIMER_IOCTL_STOP _IO('T', 0xa1) | |
710 | #define SNDRV_TIMER_IOCTL_CONTINUE _IO('T', 0xa2) | |
711 | #define SNDRV_TIMER_IOCTL_PAUSE _IO('T', 0xa3) | |
712 | ||
713 | struct snd_timer_read { | |
714 | unsigned int resolution; | |
715 | unsigned int ticks; | |
716 | }; | |
717 | ||
718 | enum { | |
719 | SNDRV_TIMER_EVENT_RESOLUTION = 0, /* val = resolution in ns */ | |
720 | SNDRV_TIMER_EVENT_TICK, /* val = ticks */ | |
721 | SNDRV_TIMER_EVENT_START, /* val = resolution in ns */ | |
722 | SNDRV_TIMER_EVENT_STOP, /* val = 0 */ | |
723 | SNDRV_TIMER_EVENT_CONTINUE, /* val = resolution in ns */ | |
724 | SNDRV_TIMER_EVENT_PAUSE, /* val = 0 */ | |
725 | SNDRV_TIMER_EVENT_EARLY, /* val = 0, early event */ | |
726 | SNDRV_TIMER_EVENT_SUSPEND, /* val = 0 */ | |
727 | SNDRV_TIMER_EVENT_RESUME, /* val = resolution in ns */ | |
728 | /* master timer events for slave timer instances */ | |
729 | SNDRV_TIMER_EVENT_MSTART = SNDRV_TIMER_EVENT_START + 10, | |
730 | SNDRV_TIMER_EVENT_MSTOP = SNDRV_TIMER_EVENT_STOP + 10, | |
731 | SNDRV_TIMER_EVENT_MCONTINUE = SNDRV_TIMER_EVENT_CONTINUE + 10, | |
732 | SNDRV_TIMER_EVENT_MPAUSE = SNDRV_TIMER_EVENT_PAUSE + 10, | |
733 | SNDRV_TIMER_EVENT_MSUSPEND = SNDRV_TIMER_EVENT_SUSPEND + 10, | |
734 | SNDRV_TIMER_EVENT_MRESUME = SNDRV_TIMER_EVENT_RESUME + 10, | |
735 | }; | |
736 | ||
737 | struct snd_timer_tread { | |
738 | int event; | |
739 | struct timespec tstamp; | |
740 | unsigned int val; | |
741 | }; | |
742 | ||
743 | /**************************************************************************** | |
744 | * * | |
745 | * Section for driver control interface - /dev/snd/control? * | |
746 | * * | |
747 | ****************************************************************************/ | |
748 | ||
749 | #define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 7) | |
750 | ||
751 | struct snd_ctl_card_info { | |
752 | int card; /* card number */ | |
753 | int pad; /* reserved for future (was type) */ | |
754 | unsigned char id[16]; /* ID of card (user selectable) */ | |
755 | unsigned char driver[16]; /* Driver name */ | |
756 | unsigned char name[32]; /* Short name of soundcard */ | |
757 | unsigned char longname[80]; /* name + info text about soundcard */ | |
758 | unsigned char reserved_[16]; /* reserved for future (was ID of mixer) */ | |
759 | unsigned char mixername[80]; /* visual mixer identification */ | |
760 | unsigned char components[128]; /* card components / fine identification, delimited with one space (AC97 etc..) */ | |
761 | }; | |
762 | ||
763 | typedef int __bitwise snd_ctl_elem_type_t; | |
764 | #define SNDRV_CTL_ELEM_TYPE_NONE ((__force snd_ctl_elem_type_t) 0) /* invalid */ | |
765 | #define SNDRV_CTL_ELEM_TYPE_BOOLEAN ((__force snd_ctl_elem_type_t) 1) /* boolean type */ | |
766 | #define SNDRV_CTL_ELEM_TYPE_INTEGER ((__force snd_ctl_elem_type_t) 2) /* integer type */ | |
767 | #define SNDRV_CTL_ELEM_TYPE_ENUMERATED ((__force snd_ctl_elem_type_t) 3) /* enumerated type */ | |
768 | #define SNDRV_CTL_ELEM_TYPE_BYTES ((__force snd_ctl_elem_type_t) 4) /* byte array */ | |
769 | #define SNDRV_CTL_ELEM_TYPE_IEC958 ((__force snd_ctl_elem_type_t) 5) /* IEC958 (S/PDIF) setup */ | |
770 | #define SNDRV_CTL_ELEM_TYPE_INTEGER64 ((__force snd_ctl_elem_type_t) 6) /* 64-bit integer type */ | |
771 | #define SNDRV_CTL_ELEM_TYPE_LAST SNDRV_CTL_ELEM_TYPE_INTEGER64 | |
772 | ||
773 | typedef int __bitwise snd_ctl_elem_iface_t; | |
774 | #define SNDRV_CTL_ELEM_IFACE_CARD ((__force snd_ctl_elem_iface_t) 0) /* global control */ | |
775 | #define SNDRV_CTL_ELEM_IFACE_HWDEP ((__force snd_ctl_elem_iface_t) 1) /* hardware dependent device */ | |
776 | #define SNDRV_CTL_ELEM_IFACE_MIXER ((__force snd_ctl_elem_iface_t) 2) /* virtual mixer device */ | |
777 | #define SNDRV_CTL_ELEM_IFACE_PCM ((__force snd_ctl_elem_iface_t) 3) /* PCM device */ | |
778 | #define SNDRV_CTL_ELEM_IFACE_RAWMIDI ((__force snd_ctl_elem_iface_t) 4) /* RawMidi device */ | |
779 | #define SNDRV_CTL_ELEM_IFACE_TIMER ((__force snd_ctl_elem_iface_t) 5) /* timer device */ | |
780 | #define SNDRV_CTL_ELEM_IFACE_SEQUENCER ((__force snd_ctl_elem_iface_t) 6) /* sequencer client */ | |
781 | #define SNDRV_CTL_ELEM_IFACE_LAST SNDRV_CTL_ELEM_IFACE_SEQUENCER | |
782 | ||
783 | #define SNDRV_CTL_ELEM_ACCESS_READ (1<<0) | |
784 | #define SNDRV_CTL_ELEM_ACCESS_WRITE (1<<1) | |
785 | #define SNDRV_CTL_ELEM_ACCESS_READWRITE (SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE) | |
786 | #define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1<<2) /* control value may be changed without a notification */ | |
787 | #define SNDRV_CTL_ELEM_ACCESS_TIMESTAMP (1<<3) /* when was control changed */ | |
788 | #define SNDRV_CTL_ELEM_ACCESS_TLV_READ (1<<4) /* TLV read is possible */ | |
789 | #define SNDRV_CTL_ELEM_ACCESS_TLV_WRITE (1<<5) /* TLV write is possible */ | |
790 | #define SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE (SNDRV_CTL_ELEM_ACCESS_TLV_READ|SNDRV_CTL_ELEM_ACCESS_TLV_WRITE) | |
791 | #define SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND (1<<6) /* TLV command is possible */ | |
792 | #define SNDRV_CTL_ELEM_ACCESS_INACTIVE (1<<8) /* control does actually nothing, but may be updated */ | |
793 | #define SNDRV_CTL_ELEM_ACCESS_LOCK (1<<9) /* write lock */ | |
794 | #define SNDRV_CTL_ELEM_ACCESS_OWNER (1<<10) /* write lock owner */ | |
795 | #define SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK (1<<28) /* kernel use a TLV callback */ | |
796 | #define SNDRV_CTL_ELEM_ACCESS_USER (1<<29) /* user space element */ | |
797 | /* bits 30 and 31 are obsoleted (for indirect access) */ | |
798 | ||
799 | /* for further details see the ACPI and PCI power management specification */ | |
800 | #define SNDRV_CTL_POWER_D0 0x0000 /* full On */ | |
801 | #define SNDRV_CTL_POWER_D1 0x0100 /* partial On */ | |
802 | #define SNDRV_CTL_POWER_D2 0x0200 /* partial On */ | |
803 | #define SNDRV_CTL_POWER_D3 0x0300 /* Off */ | |
804 | #define SNDRV_CTL_POWER_D3hot (SNDRV_CTL_POWER_D3|0x0000) /* Off, with power */ | |
805 | #define SNDRV_CTL_POWER_D3cold (SNDRV_CTL_POWER_D3|0x0001) /* Off, without power */ | |
806 | ||
807 | struct snd_ctl_elem_id { | |
808 | unsigned int numid; /* numeric identifier, zero = invalid */ | |
809 | snd_ctl_elem_iface_t iface; /* interface identifier */ | |
810 | unsigned int device; /* device/client number */ | |
811 | unsigned int subdevice; /* subdevice (substream) number */ | |
812 | unsigned char name[44]; /* ASCII name of item */ | |
813 | unsigned int index; /* index of item */ | |
814 | }; | |
815 | ||
816 | struct snd_ctl_elem_list { | |
817 | unsigned int offset; /* W: first element ID to get */ | |
818 | unsigned int space; /* W: count of element IDs to get */ | |
819 | unsigned int used; /* R: count of element IDs set */ | |
820 | unsigned int count; /* R: count of all elements */ | |
821 | struct snd_ctl_elem_id __user *pids; /* R: IDs */ | |
822 | unsigned char reserved[50]; | |
823 | }; | |
824 | ||
825 | struct snd_ctl_elem_info { | |
826 | struct snd_ctl_elem_id id; /* W: element ID */ | |
827 | snd_ctl_elem_type_t type; /* R: value type - SNDRV_CTL_ELEM_TYPE_* */ | |
828 | unsigned int access; /* R: value access (bitmask) - SNDRV_CTL_ELEM_ACCESS_* */ | |
829 | unsigned int count; /* count of values */ | |
830 | __kernel_pid_t owner; /* owner's PID of this control */ | |
831 | union { | |
832 | struct { | |
833 | long min; /* R: minimum value */ | |
834 | long max; /* R: maximum value */ | |
835 | long step; /* R: step (0 variable) */ | |
836 | } integer; | |
837 | struct { | |
838 | long long min; /* R: minimum value */ | |
839 | long long max; /* R: maximum value */ | |
840 | long long step; /* R: step (0 variable) */ | |
841 | } integer64; | |
842 | struct { | |
843 | unsigned int items; /* R: number of items */ | |
844 | unsigned int item; /* W: item number */ | |
845 | char name[64]; /* R: value name */ | |
846 | __u64 names_ptr; /* W: names list (ELEM_ADD only) */ | |
847 | unsigned int names_length; | |
848 | } enumerated; | |
849 | unsigned char reserved[128]; | |
850 | } value; | |
851 | union { | |
852 | unsigned short d[4]; /* dimensions */ | |
853 | unsigned short *d_ptr; /* indirect - obsoleted */ | |
854 | } dimen; | |
855 | unsigned char reserved[64-4*sizeof(unsigned short)]; | |
856 | }; | |
857 | ||
858 | struct snd_ctl_elem_value { | |
859 | struct snd_ctl_elem_id id; /* W: element ID */ | |
860 | unsigned int indirect: 1; /* W: indirect access - obsoleted */ | |
861 | union { | |
862 | union { | |
863 | long value[128]; | |
864 | long *value_ptr; /* obsoleted */ | |
865 | } integer; | |
866 | union { | |
867 | long long value[64]; | |
868 | long long *value_ptr; /* obsoleted */ | |
869 | } integer64; | |
870 | union { | |
871 | unsigned int item[128]; | |
872 | unsigned int *item_ptr; /* obsoleted */ | |
873 | } enumerated; | |
874 | union { | |
875 | unsigned char data[512]; | |
876 | unsigned char *data_ptr; /* obsoleted */ | |
877 | } bytes; | |
878 | struct snd_aes_iec958 iec958; | |
879 | } value; /* RO */ | |
880 | struct timespec tstamp; | |
881 | unsigned char reserved[128-sizeof(struct timespec)]; | |
882 | }; | |
883 | ||
884 | struct snd_ctl_tlv { | |
885 | unsigned int numid; /* control element numeric identification */ | |
886 | unsigned int length; /* in bytes aligned to 4 */ | |
887 | unsigned int tlv[0]; /* first TLV */ | |
888 | }; | |
889 | ||
890 | #define SNDRV_CTL_IOCTL_PVERSION _IOR('U', 0x00, int) | |
891 | #define SNDRV_CTL_IOCTL_CARD_INFO _IOR('U', 0x01, struct snd_ctl_card_info) | |
892 | #define SNDRV_CTL_IOCTL_ELEM_LIST _IOWR('U', 0x10, struct snd_ctl_elem_list) | |
893 | #define SNDRV_CTL_IOCTL_ELEM_INFO _IOWR('U', 0x11, struct snd_ctl_elem_info) | |
894 | #define SNDRV_CTL_IOCTL_ELEM_READ _IOWR('U', 0x12, struct snd_ctl_elem_value) | |
895 | #define SNDRV_CTL_IOCTL_ELEM_WRITE _IOWR('U', 0x13, struct snd_ctl_elem_value) | |
896 | #define SNDRV_CTL_IOCTL_ELEM_LOCK _IOW('U', 0x14, struct snd_ctl_elem_id) | |
897 | #define SNDRV_CTL_IOCTL_ELEM_UNLOCK _IOW('U', 0x15, struct snd_ctl_elem_id) | |
898 | #define SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS _IOWR('U', 0x16, int) | |
899 | #define SNDRV_CTL_IOCTL_ELEM_ADD _IOWR('U', 0x17, struct snd_ctl_elem_info) | |
900 | #define SNDRV_CTL_IOCTL_ELEM_REPLACE _IOWR('U', 0x18, struct snd_ctl_elem_info) | |
901 | #define SNDRV_CTL_IOCTL_ELEM_REMOVE _IOWR('U', 0x19, struct snd_ctl_elem_id) | |
902 | #define SNDRV_CTL_IOCTL_TLV_READ _IOWR('U', 0x1a, struct snd_ctl_tlv) | |
903 | #define SNDRV_CTL_IOCTL_TLV_WRITE _IOWR('U', 0x1b, struct snd_ctl_tlv) | |
904 | #define SNDRV_CTL_IOCTL_TLV_COMMAND _IOWR('U', 0x1c, struct snd_ctl_tlv) | |
905 | #define SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE _IOWR('U', 0x20, int) | |
906 | #define SNDRV_CTL_IOCTL_HWDEP_INFO _IOR('U', 0x21, struct snd_hwdep_info) | |
907 | #define SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE _IOR('U', 0x30, int) | |
908 | #define SNDRV_CTL_IOCTL_PCM_INFO _IOWR('U', 0x31, struct snd_pcm_info) | |
909 | #define SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE _IOW('U', 0x32, int) | |
910 | #define SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE _IOWR('U', 0x40, int) | |
911 | #define SNDRV_CTL_IOCTL_RAWMIDI_INFO _IOWR('U', 0x41, struct snd_rawmidi_info) | |
912 | #define SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE _IOW('U', 0x42, int) | |
913 | #define SNDRV_CTL_IOCTL_POWER _IOWR('U', 0xd0, int) | |
914 | #define SNDRV_CTL_IOCTL_POWER_STATE _IOR('U', 0xd1, int) | |
915 | ||
916 | /* | |
917 | * Read interface. | |
918 | */ | |
919 | ||
920 | enum sndrv_ctl_event_type { | |
921 | SNDRV_CTL_EVENT_ELEM = 0, | |
922 | SNDRV_CTL_EVENT_LAST = SNDRV_CTL_EVENT_ELEM, | |
923 | }; | |
924 | ||
925 | #define SNDRV_CTL_EVENT_MASK_VALUE (1<<0) /* element value was changed */ | |
926 | #define SNDRV_CTL_EVENT_MASK_INFO (1<<1) /* element info was changed */ | |
927 | #define SNDRV_CTL_EVENT_MASK_ADD (1<<2) /* element was added */ | |
928 | #define SNDRV_CTL_EVENT_MASK_TLV (1<<3) /* element TLV tree was changed */ | |
929 | #define SNDRV_CTL_EVENT_MASK_REMOVE (~0U) /* element was removed */ | |
930 | ||
931 | struct snd_ctl_event { | |
932 | int type; /* event type - SNDRV_CTL_EVENT_* */ | |
933 | union { | |
934 | struct { | |
935 | unsigned int mask; | |
936 | struct snd_ctl_elem_id id; | |
937 | } elem; | |
938 | unsigned char data8[60]; | |
939 | } data; | |
940 | }; | |
941 | ||
942 | /* | |
943 | * Control names | |
944 | */ | |
945 | ||
946 | #define SNDRV_CTL_NAME_NONE "" | |
947 | #define SNDRV_CTL_NAME_PLAYBACK "Playback " | |
948 | #define SNDRV_CTL_NAME_CAPTURE "Capture " | |
949 | ||
950 | #define SNDRV_CTL_NAME_IEC958_NONE "" | |
951 | #define SNDRV_CTL_NAME_IEC958_SWITCH "Switch" | |
952 | #define SNDRV_CTL_NAME_IEC958_VOLUME "Volume" | |
953 | #define SNDRV_CTL_NAME_IEC958_DEFAULT "Default" | |
954 | #define SNDRV_CTL_NAME_IEC958_MASK "Mask" | |
955 | #define SNDRV_CTL_NAME_IEC958_CON_MASK "Con Mask" | |
956 | #define SNDRV_CTL_NAME_IEC958_PRO_MASK "Pro Mask" | |
957 | #define SNDRV_CTL_NAME_IEC958_PCM_STREAM "PCM Stream" | |
958 | #define SNDRV_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SNDRV_CTL_NAME_##direction SNDRV_CTL_NAME_IEC958_##what | |
959 | ||
960 | #endif /* _UAPI__SOUND_ASOUND_H */ |