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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * Advanced Linux Sound Architecture - ALSA - Driver | |
c1017a4c | 3 | * Copyright (c) 1994-2003 by Jaroslav Kysela <perex@perex.cz>, |
1da177e4 LT |
4 | * Abramo Bagnara <abramo@alsa-project.org> |
5 | * | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | * | |
21 | */ | |
22 | ||
23 | #ifndef __SOUND_ASOUND_H | |
24 | #define __SOUND_ASOUND_H | |
25 | ||
9adfbfb6 AB |
26 | #include <linux/types.h> |
27 | ||
1da177e4 | 28 | #ifdef __KERNEL__ |
6560c349 | 29 | #include <linux/ioctl.h> |
1da177e4 LT |
30 | #include <linux/time.h> |
31 | #include <asm/byteorder.h> | |
32 | ||
33 | #ifdef __LITTLE_ENDIAN | |
34 | #define SNDRV_LITTLE_ENDIAN | |
35 | #else | |
36 | #ifdef __BIG_ENDIAN | |
37 | #define SNDRV_BIG_ENDIAN | |
38 | #else | |
39 | #error "Unsupported endian..." | |
40 | #endif | |
41 | #endif | |
42 | ||
6560c349 | 43 | #endif /* __KERNEL__ **/ |
1da177e4 LT |
44 | |
45 | /* | |
46 | * protocol version | |
47 | */ | |
48 | ||
49 | #define SNDRV_PROTOCOL_VERSION(major, minor, subminor) (((major)<<16)|((minor)<<8)|(subminor)) | |
50 | #define SNDRV_PROTOCOL_MAJOR(version) (((version)>>16)&0xffff) | |
51 | #define SNDRV_PROTOCOL_MINOR(version) (((version)>>8)&0xff) | |
52 | #define SNDRV_PROTOCOL_MICRO(version) ((version)&0xff) | |
53 | #define SNDRV_PROTOCOL_INCOMPATIBLE(kversion, uversion) \ | |
54 | (SNDRV_PROTOCOL_MAJOR(kversion) != SNDRV_PROTOCOL_MAJOR(uversion) || \ | |
55 | (SNDRV_PROTOCOL_MAJOR(kversion) == SNDRV_PROTOCOL_MAJOR(uversion) && \ | |
56 | SNDRV_PROTOCOL_MINOR(kversion) != SNDRV_PROTOCOL_MINOR(uversion))) | |
57 | ||
58 | /**************************************************************************** | |
59 | * * | |
60 | * Digital audio interface * | |
61 | * * | |
62 | ****************************************************************************/ | |
63 | ||
512bbd6a | 64 | struct snd_aes_iec958 { |
1da177e4 LT |
65 | unsigned char status[24]; /* AES/IEC958 channel status bits */ |
66 | unsigned char subcode[147]; /* AES/IEC958 subcode bits */ | |
67 | unsigned char pad; /* nothing */ | |
68 | unsigned char dig_subframe[4]; /* AES/IEC958 subframe bits */ | |
69 | }; | |
70 | ||
71 | /**************************************************************************** | |
72 | * * | |
73 | * Section for driver hardware dependent interface - /dev/snd/hw? * | |
74 | * * | |
75 | ****************************************************************************/ | |
76 | ||
77 | #define SNDRV_HWDEP_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1) | |
78 | ||
512bbd6a | 79 | enum { |
1da177e4 LT |
80 | SNDRV_HWDEP_IFACE_OPL2 = 0, |
81 | SNDRV_HWDEP_IFACE_OPL3, | |
82 | SNDRV_HWDEP_IFACE_OPL4, | |
83 | SNDRV_HWDEP_IFACE_SB16CSP, /* Creative Signal Processor */ | |
84 | SNDRV_HWDEP_IFACE_EMU10K1, /* FX8010 processor in EMU10K1 chip */ | |
85 | SNDRV_HWDEP_IFACE_YSS225, /* Yamaha FX processor */ | |
86 | SNDRV_HWDEP_IFACE_ICS2115, /* Wavetable synth */ | |
87 | SNDRV_HWDEP_IFACE_SSCAPE, /* Ensoniq SoundScape ISA card (MC68EC000) */ | |
88 | SNDRV_HWDEP_IFACE_VX, /* Digigram VX cards */ | |
89 | SNDRV_HWDEP_IFACE_MIXART, /* Digigram miXart cards */ | |
90 | SNDRV_HWDEP_IFACE_USX2Y, /* Tascam US122, US224 & US428 usb */ | |
91 | SNDRV_HWDEP_IFACE_EMUX_WAVETABLE, /* EmuX wavetable */ | |
92 | SNDRV_HWDEP_IFACE_BLUETOOTH, /* Bluetooth audio */ | |
93 | SNDRV_HWDEP_IFACE_USX2Y_PCM, /* Tascam US122, US224 & US428 rawusb pcm */ | |
94 | SNDRV_HWDEP_IFACE_PCXHR, /* Digigram PCXHR */ | |
b259b10c | 95 | SNDRV_HWDEP_IFACE_SB_RC, /* SB Extigy/Audigy2NX remote control */ |
2807314d | 96 | SNDRV_HWDEP_IFACE_HDA, /* HD-audio */ |
030a07e4 | 97 | SNDRV_HWDEP_IFACE_USB_STREAM, /* direct access to usb stream */ |
1da177e4 LT |
98 | |
99 | /* Don't forget to change the following: */ | |
030a07e4 | 100 | SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_USB_STREAM |
1da177e4 LT |
101 | }; |
102 | ||
512bbd6a | 103 | struct snd_hwdep_info { |
1da177e4 LT |
104 | unsigned int device; /* WR: device number */ |
105 | int card; /* R: card number */ | |
106 | unsigned char id[64]; /* ID (user selectable) */ | |
107 | unsigned char name[80]; /* hwdep name */ | |
512bbd6a | 108 | int iface; /* hwdep interface */ |
1da177e4 LT |
109 | unsigned char reserved[64]; /* reserved for future */ |
110 | }; | |
111 | ||
112 | /* generic DSP loader */ | |
512bbd6a | 113 | struct snd_hwdep_dsp_status { |
1da177e4 LT |
114 | unsigned int version; /* R: driver-specific version */ |
115 | unsigned char id[32]; /* R: driver-specific ID string */ | |
116 | unsigned int num_dsps; /* R: number of DSP images to transfer */ | |
117 | unsigned int dsp_loaded; /* R: bit flags indicating the loaded DSPs */ | |
118 | unsigned int chip_ready; /* R: 1 = initialization finished */ | |
119 | unsigned char reserved[16]; /* reserved for future use */ | |
120 | }; | |
121 | ||
512bbd6a | 122 | struct snd_hwdep_dsp_image { |
1da177e4 LT |
123 | unsigned int index; /* W: DSP index */ |
124 | unsigned char name[64]; /* W: ID (e.g. file name) */ | |
125 | unsigned char __user *image; /* W: binary image */ | |
126 | size_t length; /* W: size of image in bytes */ | |
127 | unsigned long driver_data; /* W: driver-specific data */ | |
128 | }; | |
129 | ||
78a05b52 TI |
130 | #define SNDRV_HWDEP_IOCTL_PVERSION _IOR ('H', 0x00, int) |
131 | #define SNDRV_HWDEP_IOCTL_INFO _IOR ('H', 0x01, struct snd_hwdep_info) | |
132 | #define SNDRV_HWDEP_IOCTL_DSP_STATUS _IOR('H', 0x02, struct snd_hwdep_dsp_status) | |
133 | #define SNDRV_HWDEP_IOCTL_DSP_LOAD _IOW('H', 0x03, struct snd_hwdep_dsp_image) | |
1da177e4 LT |
134 | |
135 | /***************************************************************************** | |
136 | * * | |
137 | * Digital Audio (PCM) interface - /dev/snd/pcm?? * | |
138 | * * | |
139 | *****************************************************************************/ | |
140 | ||
5a53a764 | 141 | #define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 10) |
1da177e4 | 142 | |
512bbd6a TI |
143 | typedef unsigned long snd_pcm_uframes_t; |
144 | typedef signed long snd_pcm_sframes_t; | |
1da177e4 | 145 | |
512bbd6a | 146 | enum { |
1da177e4 LT |
147 | SNDRV_PCM_CLASS_GENERIC = 0, /* standard mono or stereo device */ |
148 | SNDRV_PCM_CLASS_MULTI, /* multichannel device */ | |
149 | SNDRV_PCM_CLASS_MODEM, /* software modem class */ | |
150 | SNDRV_PCM_CLASS_DIGITIZER, /* digitizer class */ | |
151 | /* Don't forget to change the following: */ | |
152 | SNDRV_PCM_CLASS_LAST = SNDRV_PCM_CLASS_DIGITIZER, | |
153 | }; | |
154 | ||
512bbd6a | 155 | enum { |
1da177e4 LT |
156 | SNDRV_PCM_SUBCLASS_GENERIC_MIX = 0, /* mono or stereo subdevices are mixed together */ |
157 | SNDRV_PCM_SUBCLASS_MULTI_MIX, /* multichannel subdevices are mixed together */ | |
158 | /* Don't forget to change the following: */ | |
159 | SNDRV_PCM_SUBCLASS_LAST = SNDRV_PCM_SUBCLASS_MULTI_MIX, | |
160 | }; | |
161 | ||
512bbd6a | 162 | enum { |
1da177e4 LT |
163 | SNDRV_PCM_STREAM_PLAYBACK = 0, |
164 | SNDRV_PCM_STREAM_CAPTURE, | |
165 | SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE, | |
166 | }; | |
167 | ||
512bbd6a TI |
168 | typedef int __bitwise snd_pcm_access_t; |
169 | #define SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ((__force snd_pcm_access_t) 0) /* interleaved mmap */ | |
170 | #define SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ((__force snd_pcm_access_t) 1) /* noninterleaved mmap */ | |
171 | #define SNDRV_PCM_ACCESS_MMAP_COMPLEX ((__force snd_pcm_access_t) 2) /* complex mmap */ | |
172 | #define SNDRV_PCM_ACCESS_RW_INTERLEAVED ((__force snd_pcm_access_t) 3) /* readi/writei */ | |
173 | #define SNDRV_PCM_ACCESS_RW_NONINTERLEAVED ((__force snd_pcm_access_t) 4) /* readn/writen */ | |
174 | #define SNDRV_PCM_ACCESS_LAST SNDRV_PCM_ACCESS_RW_NONINTERLEAVED | |
175 | ||
176 | typedef int __bitwise snd_pcm_format_t; | |
177 | #define SNDRV_PCM_FORMAT_S8 ((__force snd_pcm_format_t) 0) | |
178 | #define SNDRV_PCM_FORMAT_U8 ((__force snd_pcm_format_t) 1) | |
179 | #define SNDRV_PCM_FORMAT_S16_LE ((__force snd_pcm_format_t) 2) | |
180 | #define SNDRV_PCM_FORMAT_S16_BE ((__force snd_pcm_format_t) 3) | |
181 | #define SNDRV_PCM_FORMAT_U16_LE ((__force snd_pcm_format_t) 4) | |
182 | #define SNDRV_PCM_FORMAT_U16_BE ((__force snd_pcm_format_t) 5) | |
183 | #define SNDRV_PCM_FORMAT_S24_LE ((__force snd_pcm_format_t) 6) /* low three bytes */ | |
184 | #define SNDRV_PCM_FORMAT_S24_BE ((__force snd_pcm_format_t) 7) /* low three bytes */ | |
185 | #define SNDRV_PCM_FORMAT_U24_LE ((__force snd_pcm_format_t) 8) /* low three bytes */ | |
186 | #define SNDRV_PCM_FORMAT_U24_BE ((__force snd_pcm_format_t) 9) /* low three bytes */ | |
187 | #define SNDRV_PCM_FORMAT_S32_LE ((__force snd_pcm_format_t) 10) | |
188 | #define SNDRV_PCM_FORMAT_S32_BE ((__force snd_pcm_format_t) 11) | |
189 | #define SNDRV_PCM_FORMAT_U32_LE ((__force snd_pcm_format_t) 12) | |
190 | #define SNDRV_PCM_FORMAT_U32_BE ((__force snd_pcm_format_t) 13) | |
191 | #define SNDRV_PCM_FORMAT_FLOAT_LE ((__force snd_pcm_format_t) 14) /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */ | |
192 | #define SNDRV_PCM_FORMAT_FLOAT_BE ((__force snd_pcm_format_t) 15) /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */ | |
193 | #define SNDRV_PCM_FORMAT_FLOAT64_LE ((__force snd_pcm_format_t) 16) /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */ | |
194 | #define SNDRV_PCM_FORMAT_FLOAT64_BE ((__force snd_pcm_format_t) 17) /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */ | |
195 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE ((__force snd_pcm_format_t) 18) /* IEC-958 subframe, Little Endian */ | |
196 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE ((__force snd_pcm_format_t) 19) /* IEC-958 subframe, Big Endian */ | |
197 | #define SNDRV_PCM_FORMAT_MU_LAW ((__force snd_pcm_format_t) 20) | |
198 | #define SNDRV_PCM_FORMAT_A_LAW ((__force snd_pcm_format_t) 21) | |
199 | #define SNDRV_PCM_FORMAT_IMA_ADPCM ((__force snd_pcm_format_t) 22) | |
200 | #define SNDRV_PCM_FORMAT_MPEG ((__force snd_pcm_format_t) 23) | |
201 | #define SNDRV_PCM_FORMAT_GSM ((__force snd_pcm_format_t) 24) | |
202 | #define SNDRV_PCM_FORMAT_SPECIAL ((__force snd_pcm_format_t) 31) | |
203 | #define SNDRV_PCM_FORMAT_S24_3LE ((__force snd_pcm_format_t) 32) /* in three bytes */ | |
204 | #define SNDRV_PCM_FORMAT_S24_3BE ((__force snd_pcm_format_t) 33) /* in three bytes */ | |
205 | #define SNDRV_PCM_FORMAT_U24_3LE ((__force snd_pcm_format_t) 34) /* in three bytes */ | |
206 | #define SNDRV_PCM_FORMAT_U24_3BE ((__force snd_pcm_format_t) 35) /* in three bytes */ | |
207 | #define SNDRV_PCM_FORMAT_S20_3LE ((__force snd_pcm_format_t) 36) /* in three bytes */ | |
208 | #define SNDRV_PCM_FORMAT_S20_3BE ((__force snd_pcm_format_t) 37) /* in three bytes */ | |
209 | #define SNDRV_PCM_FORMAT_U20_3LE ((__force snd_pcm_format_t) 38) /* in three bytes */ | |
210 | #define SNDRV_PCM_FORMAT_U20_3BE ((__force snd_pcm_format_t) 39) /* in three bytes */ | |
211 | #define SNDRV_PCM_FORMAT_S18_3LE ((__force snd_pcm_format_t) 40) /* in three bytes */ | |
212 | #define SNDRV_PCM_FORMAT_S18_3BE ((__force snd_pcm_format_t) 41) /* in three bytes */ | |
213 | #define SNDRV_PCM_FORMAT_U18_3LE ((__force snd_pcm_format_t) 42) /* in three bytes */ | |
214 | #define SNDRV_PCM_FORMAT_U18_3BE ((__force snd_pcm_format_t) 43) /* in three bytes */ | |
15c0cee6 BC |
215 | #define SNDRV_PCM_FORMAT_G723_24 ((__force snd_pcm_format_t) 44) /* 8 samples in 3 bytes */ |
216 | #define SNDRV_PCM_FORMAT_G723_24_1B ((__force snd_pcm_format_t) 45) /* 1 sample in 1 byte */ | |
217 | #define SNDRV_PCM_FORMAT_G723_40 ((__force snd_pcm_format_t) 46) /* 8 Samples in 5 bytes */ | |
218 | #define SNDRV_PCM_FORMAT_G723_40_1B ((__force snd_pcm_format_t) 47) /* 1 sample in 1 byte */ | |
219 | #define SNDRV_PCM_FORMAT_LAST SNDRV_PCM_FORMAT_G723_40_1B | |
1da177e4 LT |
220 | |
221 | #ifdef SNDRV_LITTLE_ENDIAN | |
512bbd6a TI |
222 | #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_LE |
223 | #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_LE | |
224 | #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_LE | |
225 | #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_LE | |
226 | #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_LE | |
227 | #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_LE | |
228 | #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_LE | |
229 | #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_LE | |
230 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE | |
1da177e4 LT |
231 | #endif |
232 | #ifdef SNDRV_BIG_ENDIAN | |
512bbd6a TI |
233 | #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_BE |
234 | #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_BE | |
235 | #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_BE | |
236 | #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_BE | |
237 | #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_BE | |
238 | #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_BE | |
239 | #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_BE | |
240 | #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_BE | |
241 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE | |
1da177e4 | 242 | #endif |
1da177e4 | 243 | |
512bbd6a TI |
244 | typedef int __bitwise snd_pcm_subformat_t; |
245 | #define SNDRV_PCM_SUBFORMAT_STD ((__force snd_pcm_subformat_t) 0) | |
246 | #define SNDRV_PCM_SUBFORMAT_LAST SNDRV_PCM_SUBFORMAT_STD | |
1da177e4 LT |
247 | |
248 | #define SNDRV_PCM_INFO_MMAP 0x00000001 /* hardware supports mmap */ | |
249 | #define SNDRV_PCM_INFO_MMAP_VALID 0x00000002 /* period data are valid during transfer */ | |
250 | #define SNDRV_PCM_INFO_DOUBLE 0x00000004 /* Double buffering needed for PCM start/stop */ | |
251 | #define SNDRV_PCM_INFO_BATCH 0x00000010 /* double buffering */ | |
252 | #define SNDRV_PCM_INFO_INTERLEAVED 0x00000100 /* channels are interleaved */ | |
253 | #define SNDRV_PCM_INFO_NONINTERLEAVED 0x00000200 /* channels are not interleaved */ | |
254 | #define SNDRV_PCM_INFO_COMPLEX 0x00000400 /* complex frame organization (mmap only) */ | |
255 | #define SNDRV_PCM_INFO_BLOCK_TRANSFER 0x00010000 /* hardware transfer block of samples */ | |
256 | #define SNDRV_PCM_INFO_OVERRANGE 0x00020000 /* hardware supports ADC (capture) overrange detection */ | |
257 | #define SNDRV_PCM_INFO_RESUME 0x00040000 /* hardware supports stream resume after suspend */ | |
258 | #define SNDRV_PCM_INFO_PAUSE 0x00080000 /* pause ioctl is supported */ | |
259 | #define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000 /* only half duplex */ | |
260 | #define SNDRV_PCM_INFO_JOINT_DUPLEX 0x00200000 /* playback and capture stream are somewhat correlated */ | |
261 | #define SNDRV_PCM_INFO_SYNC_START 0x00400000 /* pcm support some kind of sync go */ | |
ab69a490 | 262 | #define SNDRV_PCM_INFO_NO_PERIOD_WAKEUP 0x00800000 /* period wakeup can be disabled */ |
8bea869c | 263 | #define SNDRV_PCM_INFO_FIFO_IN_FRAMES 0x80000000 /* internal kernel flag - FIFO size is in frames */ |
1da177e4 | 264 | |
512bbd6a TI |
265 | typedef int __bitwise snd_pcm_state_t; |
266 | #define SNDRV_PCM_STATE_OPEN ((__force snd_pcm_state_t) 0) /* stream is open */ | |
267 | #define SNDRV_PCM_STATE_SETUP ((__force snd_pcm_state_t) 1) /* stream has a setup */ | |
268 | #define SNDRV_PCM_STATE_PREPARED ((__force snd_pcm_state_t) 2) /* stream is ready to start */ | |
269 | #define SNDRV_PCM_STATE_RUNNING ((__force snd_pcm_state_t) 3) /* stream is running */ | |
270 | #define SNDRV_PCM_STATE_XRUN ((__force snd_pcm_state_t) 4) /* stream reached an xrun */ | |
271 | #define SNDRV_PCM_STATE_DRAINING ((__force snd_pcm_state_t) 5) /* stream is draining */ | |
272 | #define SNDRV_PCM_STATE_PAUSED ((__force snd_pcm_state_t) 6) /* stream is paused */ | |
273 | #define SNDRV_PCM_STATE_SUSPENDED ((__force snd_pcm_state_t) 7) /* hardware is suspended */ | |
274 | #define SNDRV_PCM_STATE_DISCONNECTED ((__force snd_pcm_state_t) 8) /* hardware is disconnected */ | |
275 | #define SNDRV_PCM_STATE_LAST SNDRV_PCM_STATE_DISCONNECTED | |
1da177e4 LT |
276 | |
277 | enum { | |
278 | SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000, | |
279 | SNDRV_PCM_MMAP_OFFSET_STATUS = 0x80000000, | |
280 | SNDRV_PCM_MMAP_OFFSET_CONTROL = 0x81000000, | |
281 | }; | |
282 | ||
512bbd6a | 283 | union snd_pcm_sync_id { |
1da177e4 LT |
284 | unsigned char id[16]; |
285 | unsigned short id16[8]; | |
286 | unsigned int id32[4]; | |
287 | }; | |
288 | ||
512bbd6a | 289 | struct snd_pcm_info { |
1da177e4 LT |
290 | unsigned int device; /* RO/WR (control): device number */ |
291 | unsigned int subdevice; /* RO/WR (control): subdevice number */ | |
512bbd6a | 292 | int stream; /* RO/WR (control): stream direction */ |
1da177e4 LT |
293 | int card; /* R: card number */ |
294 | unsigned char id[64]; /* ID (user selectable) */ | |
295 | unsigned char name[80]; /* name of this device */ | |
296 | unsigned char subname[32]; /* subdevice name */ | |
512bbd6a TI |
297 | int dev_class; /* SNDRV_PCM_CLASS_* */ |
298 | int dev_subclass; /* SNDRV_PCM_SUBCLASS_* */ | |
1da177e4 LT |
299 | unsigned int subdevices_count; |
300 | unsigned int subdevices_avail; | |
512bbd6a | 301 | union snd_pcm_sync_id sync; /* hardware synchronization ID */ |
1da177e4 LT |
302 | unsigned char reserved[64]; /* reserved for future... */ |
303 | }; | |
304 | ||
a99606d2 TI |
305 | typedef int snd_pcm_hw_param_t; |
306 | #define SNDRV_PCM_HW_PARAM_ACCESS 0 /* Access type */ | |
307 | #define SNDRV_PCM_HW_PARAM_FORMAT 1 /* Format */ | |
308 | #define SNDRV_PCM_HW_PARAM_SUBFORMAT 2 /* Subformat */ | |
512bbd6a TI |
309 | #define SNDRV_PCM_HW_PARAM_FIRST_MASK SNDRV_PCM_HW_PARAM_ACCESS |
310 | #define SNDRV_PCM_HW_PARAM_LAST_MASK SNDRV_PCM_HW_PARAM_SUBFORMAT | |
311 | ||
a99606d2 TI |
312 | #define SNDRV_PCM_HW_PARAM_SAMPLE_BITS 8 /* Bits per sample */ |
313 | #define SNDRV_PCM_HW_PARAM_FRAME_BITS 9 /* Bits per frame */ | |
314 | #define SNDRV_PCM_HW_PARAM_CHANNELS 10 /* Channels */ | |
315 | #define SNDRV_PCM_HW_PARAM_RATE 11 /* Approx rate */ | |
316 | #define SNDRV_PCM_HW_PARAM_PERIOD_TIME 12 /* Approx distance between | |
317 | * interrupts in us | |
318 | */ | |
319 | #define SNDRV_PCM_HW_PARAM_PERIOD_SIZE 13 /* Approx frames between | |
320 | * interrupts | |
321 | */ | |
322 | #define SNDRV_PCM_HW_PARAM_PERIOD_BYTES 14 /* Approx bytes between | |
323 | * interrupts | |
324 | */ | |
325 | #define SNDRV_PCM_HW_PARAM_PERIODS 15 /* Approx interrupts per | |
326 | * buffer | |
327 | */ | |
328 | #define SNDRV_PCM_HW_PARAM_BUFFER_TIME 16 /* Approx duration of buffer | |
329 | * in us | |
330 | */ | |
331 | #define SNDRV_PCM_HW_PARAM_BUFFER_SIZE 17 /* Size of buffer in frames */ | |
332 | #define SNDRV_PCM_HW_PARAM_BUFFER_BYTES 18 /* Size of buffer in bytes */ | |
333 | #define SNDRV_PCM_HW_PARAM_TICK_TIME 19 /* Approx tick duration in us */ | |
512bbd6a TI |
334 | #define SNDRV_PCM_HW_PARAM_FIRST_INTERVAL SNDRV_PCM_HW_PARAM_SAMPLE_BITS |
335 | #define SNDRV_PCM_HW_PARAM_LAST_INTERVAL SNDRV_PCM_HW_PARAM_TICK_TIME | |
1da177e4 | 336 | |
a99606d2 | 337 | #define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1<<0) /* avoid rate resampling */ |
ab69a490 CL |
338 | #define SNDRV_PCM_HW_PARAMS_EXPORT_BUFFER (1<<1) /* export buffer */ |
339 | #define SNDRV_PCM_HW_PARAMS_NO_PERIOD_WAKEUP (1<<2) /* disable period wakeups */ | |
1da177e4 | 340 | |
512bbd6a | 341 | struct snd_interval { |
1da177e4 LT |
342 | unsigned int min, max; |
343 | unsigned int openmin:1, | |
344 | openmax:1, | |
345 | integer:1, | |
346 | empty:1; | |
347 | }; | |
348 | ||
349 | #define SNDRV_MASK_MAX 256 | |
350 | ||
512bbd6a | 351 | struct snd_mask { |
9adfbfb6 | 352 | __u32 bits[(SNDRV_MASK_MAX+31)/32]; |
1da177e4 LT |
353 | }; |
354 | ||
512bbd6a | 355 | struct snd_pcm_hw_params { |
1da177e4 | 356 | unsigned int flags; |
512bbd6a | 357 | struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - |
1da177e4 | 358 | SNDRV_PCM_HW_PARAM_FIRST_MASK + 1]; |
512bbd6a TI |
359 | struct snd_mask mres[5]; /* reserved masks */ |
360 | struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL - | |
1da177e4 | 361 | SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1]; |
512bbd6a | 362 | struct snd_interval ires[9]; /* reserved intervals */ |
1da177e4 LT |
363 | unsigned int rmask; /* W: requested masks */ |
364 | unsigned int cmask; /* R: changed masks */ | |
365 | unsigned int info; /* R: Info flags for returned setup */ | |
366 | unsigned int msbits; /* R: used most significant bits */ | |
367 | unsigned int rate_num; /* R: rate numerator */ | |
368 | unsigned int rate_den; /* R: rate denominator */ | |
512bbd6a | 369 | snd_pcm_uframes_t fifo_size; /* R: chip FIFO size in frames */ |
1da177e4 LT |
370 | unsigned char reserved[64]; /* reserved for future */ |
371 | }; | |
372 | ||
512bbd6a | 373 | enum { |
1da177e4 | 374 | SNDRV_PCM_TSTAMP_NONE = 0, |
8c121586 JK |
375 | SNDRV_PCM_TSTAMP_ENABLE, |
376 | SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_ENABLE, | |
1da177e4 LT |
377 | }; |
378 | ||
512bbd6a TI |
379 | struct snd_pcm_sw_params { |
380 | int tstamp_mode; /* timestamp mode */ | |
1da177e4 LT |
381 | unsigned int period_step; |
382 | unsigned int sleep_min; /* min ticks to sleep */ | |
512bbd6a | 383 | snd_pcm_uframes_t avail_min; /* min avail frames for wakeup */ |
d948035a | 384 | snd_pcm_uframes_t xfer_align; /* obsolete: xfer size need to be a multiple */ |
512bbd6a TI |
385 | snd_pcm_uframes_t start_threshold; /* min hw_avail frames for automatic start */ |
386 | snd_pcm_uframes_t stop_threshold; /* min avail frames for automatic stop */ | |
387 | snd_pcm_uframes_t silence_threshold; /* min distance from noise for silence filling */ | |
388 | snd_pcm_uframes_t silence_size; /* silence block size */ | |
389 | snd_pcm_uframes_t boundary; /* pointers wrap point */ | |
1da177e4 LT |
390 | unsigned char reserved[64]; /* reserved for future */ |
391 | }; | |
392 | ||
512bbd6a | 393 | struct snd_pcm_channel_info { |
1da177e4 | 394 | unsigned int channel; |
85efde6f | 395 | __kernel_off_t offset; /* mmap offset */ |
1da177e4 LT |
396 | unsigned int first; /* offset to first sample in bits */ |
397 | unsigned int step; /* samples distance in bits */ | |
398 | }; | |
399 | ||
512bbd6a TI |
400 | struct snd_pcm_status { |
401 | snd_pcm_state_t state; /* stream state */ | |
1da177e4 LT |
402 | struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */ |
403 | struct timespec tstamp; /* reference timestamp */ | |
512bbd6a TI |
404 | snd_pcm_uframes_t appl_ptr; /* appl ptr */ |
405 | snd_pcm_uframes_t hw_ptr; /* hw ptr */ | |
406 | snd_pcm_sframes_t delay; /* current delay in frames */ | |
407 | snd_pcm_uframes_t avail; /* number of frames available */ | |
408 | snd_pcm_uframes_t avail_max; /* max frames available on hw since last status */ | |
409 | snd_pcm_uframes_t overrange; /* count of ADC (capture) overrange detections from last status */ | |
410 | snd_pcm_state_t suspended_state; /* suspended stream state */ | |
1da177e4 LT |
411 | unsigned char reserved[60]; /* must be filled with zero */ |
412 | }; | |
413 | ||
512bbd6a TI |
414 | struct snd_pcm_mmap_status { |
415 | snd_pcm_state_t state; /* RO: state - SNDRV_PCM_STATE_XXXX */ | |
1da177e4 | 416 | int pad1; /* Needed for 64 bit alignment */ |
512bbd6a | 417 | snd_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */ |
1da177e4 | 418 | struct timespec tstamp; /* Timestamp */ |
512bbd6a | 419 | snd_pcm_state_t suspended_state; /* RO: suspended stream state */ |
1da177e4 LT |
420 | }; |
421 | ||
512bbd6a TI |
422 | struct snd_pcm_mmap_control { |
423 | snd_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */ | |
424 | snd_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */ | |
1da177e4 LT |
425 | }; |
426 | ||
427 | #define SNDRV_PCM_SYNC_PTR_HWSYNC (1<<0) /* execute hwsync */ | |
428 | #define SNDRV_PCM_SYNC_PTR_APPL (1<<1) /* get appl_ptr from driver (r/w op) */ | |
429 | #define SNDRV_PCM_SYNC_PTR_AVAIL_MIN (1<<2) /* get avail_min from driver */ | |
430 | ||
512bbd6a | 431 | struct snd_pcm_sync_ptr { |
1da177e4 LT |
432 | unsigned int flags; |
433 | union { | |
512bbd6a | 434 | struct snd_pcm_mmap_status status; |
1da177e4 LT |
435 | unsigned char reserved[64]; |
436 | } s; | |
437 | union { | |
512bbd6a | 438 | struct snd_pcm_mmap_control control; |
1da177e4 LT |
439 | unsigned char reserved[64]; |
440 | } c; | |
441 | }; | |
442 | ||
512bbd6a TI |
443 | struct snd_xferi { |
444 | snd_pcm_sframes_t result; | |
1da177e4 | 445 | void __user *buf; |
512bbd6a | 446 | snd_pcm_uframes_t frames; |
1da177e4 LT |
447 | }; |
448 | ||
512bbd6a TI |
449 | struct snd_xfern { |
450 | snd_pcm_sframes_t result; | |
1da177e4 | 451 | void __user * __user *bufs; |
512bbd6a | 452 | snd_pcm_uframes_t frames; |
1da177e4 LT |
453 | }; |
454 | ||
b751eef1 JK |
455 | enum { |
456 | SNDRV_PCM_TSTAMP_TYPE_GETTIMEOFDAY = 0, /* gettimeofday equivalent */ | |
457 | SNDRV_PCM_TSTAMP_TYPE_MONOTONIC, /* posix_clock_monotonic equivalent */ | |
458 | SNDRV_PCM_TSTAMP_TYPE_LAST = SNDRV_PCM_TSTAMP_TYPE_MONOTONIC, | |
459 | }; | |
460 | ||
78a05b52 TI |
461 | #define SNDRV_PCM_IOCTL_PVERSION _IOR('A', 0x00, int) |
462 | #define SNDRV_PCM_IOCTL_INFO _IOR('A', 0x01, struct snd_pcm_info) | |
463 | #define SNDRV_PCM_IOCTL_TSTAMP _IOW('A', 0x02, int) | |
464 | #define SNDRV_PCM_IOCTL_TTSTAMP _IOW('A', 0x03, int) | |
465 | #define SNDRV_PCM_IOCTL_HW_REFINE _IOWR('A', 0x10, struct snd_pcm_hw_params) | |
466 | #define SNDRV_PCM_IOCTL_HW_PARAMS _IOWR('A', 0x11, struct snd_pcm_hw_params) | |
467 | #define SNDRV_PCM_IOCTL_HW_FREE _IO('A', 0x12) | |
468 | #define SNDRV_PCM_IOCTL_SW_PARAMS _IOWR('A', 0x13, struct snd_pcm_sw_params) | |
469 | #define SNDRV_PCM_IOCTL_STATUS _IOR('A', 0x20, struct snd_pcm_status) | |
470 | #define SNDRV_PCM_IOCTL_DELAY _IOR('A', 0x21, snd_pcm_sframes_t) | |
471 | #define SNDRV_PCM_IOCTL_HWSYNC _IO('A', 0x22) | |
472 | #define SNDRV_PCM_IOCTL_SYNC_PTR _IOWR('A', 0x23, struct snd_pcm_sync_ptr) | |
473 | #define SNDRV_PCM_IOCTL_CHANNEL_INFO _IOR('A', 0x32, struct snd_pcm_channel_info) | |
474 | #define SNDRV_PCM_IOCTL_PREPARE _IO('A', 0x40) | |
475 | #define SNDRV_PCM_IOCTL_RESET _IO('A', 0x41) | |
476 | #define SNDRV_PCM_IOCTL_START _IO('A', 0x42) | |
477 | #define SNDRV_PCM_IOCTL_DROP _IO('A', 0x43) | |
478 | #define SNDRV_PCM_IOCTL_DRAIN _IO('A', 0x44) | |
479 | #define SNDRV_PCM_IOCTL_PAUSE _IOW('A', 0x45, int) | |
480 | #define SNDRV_PCM_IOCTL_REWIND _IOW('A', 0x46, snd_pcm_uframes_t) | |
481 | #define SNDRV_PCM_IOCTL_RESUME _IO('A', 0x47) | |
482 | #define SNDRV_PCM_IOCTL_XRUN _IO('A', 0x48) | |
483 | #define SNDRV_PCM_IOCTL_FORWARD _IOW('A', 0x49, snd_pcm_uframes_t) | |
484 | #define SNDRV_PCM_IOCTL_WRITEI_FRAMES _IOW('A', 0x50, struct snd_xferi) | |
485 | #define SNDRV_PCM_IOCTL_READI_FRAMES _IOR('A', 0x51, struct snd_xferi) | |
486 | #define SNDRV_PCM_IOCTL_WRITEN_FRAMES _IOW('A', 0x52, struct snd_xfern) | |
487 | #define SNDRV_PCM_IOCTL_READN_FRAMES _IOR('A', 0x53, struct snd_xfern) | |
488 | #define SNDRV_PCM_IOCTL_LINK _IOW('A', 0x60, int) | |
489 | #define SNDRV_PCM_IOCTL_UNLINK _IO('A', 0x61) | |
1da177e4 LT |
490 | |
491 | /***************************************************************************** | |
492 | * * | |
493 | * MIDI v1.0 interface * | |
494 | * * | |
495 | *****************************************************************************/ | |
496 | ||
497 | /* | |
498 | * Raw MIDI section - /dev/snd/midi?? | |
499 | */ | |
500 | ||
501 | #define SNDRV_RAWMIDI_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 0) | |
502 | ||
512bbd6a | 503 | enum { |
1da177e4 LT |
504 | SNDRV_RAWMIDI_STREAM_OUTPUT = 0, |
505 | SNDRV_RAWMIDI_STREAM_INPUT, | |
506 | SNDRV_RAWMIDI_STREAM_LAST = SNDRV_RAWMIDI_STREAM_INPUT, | |
507 | }; | |
508 | ||
509 | #define SNDRV_RAWMIDI_INFO_OUTPUT 0x00000001 | |
510 | #define SNDRV_RAWMIDI_INFO_INPUT 0x00000002 | |
511 | #define SNDRV_RAWMIDI_INFO_DUPLEX 0x00000004 | |
512 | ||
512bbd6a | 513 | struct snd_rawmidi_info { |
1da177e4 LT |
514 | unsigned int device; /* RO/WR (control): device number */ |
515 | unsigned int subdevice; /* RO/WR (control): subdevice number */ | |
512bbd6a | 516 | int stream; /* WR: stream */ |
1da177e4 LT |
517 | int card; /* R: card number */ |
518 | unsigned int flags; /* SNDRV_RAWMIDI_INFO_XXXX */ | |
519 | unsigned char id[64]; /* ID (user selectable) */ | |
520 | unsigned char name[80]; /* name of device */ | |
521 | unsigned char subname[32]; /* name of active or selected subdevice */ | |
522 | unsigned int subdevices_count; | |
523 | unsigned int subdevices_avail; | |
524 | unsigned char reserved[64]; /* reserved for future use */ | |
525 | }; | |
526 | ||
512bbd6a TI |
527 | struct snd_rawmidi_params { |
528 | int stream; | |
1da177e4 LT |
529 | size_t buffer_size; /* queue size in bytes */ |
530 | size_t avail_min; /* minimum avail bytes for wakeup */ | |
531 | unsigned int no_active_sensing: 1; /* do not send active sensing byte in close() */ | |
532 | unsigned char reserved[16]; /* reserved for future use */ | |
533 | }; | |
534 | ||
512bbd6a TI |
535 | struct snd_rawmidi_status { |
536 | int stream; | |
1da177e4 LT |
537 | struct timespec tstamp; /* Timestamp */ |
538 | size_t avail; /* available bytes */ | |
539 | size_t xruns; /* count of overruns since last status (in bytes) */ | |
540 | unsigned char reserved[16]; /* reserved for future use */ | |
541 | }; | |
542 | ||
78a05b52 TI |
543 | #define SNDRV_RAWMIDI_IOCTL_PVERSION _IOR('W', 0x00, int) |
544 | #define SNDRV_RAWMIDI_IOCTL_INFO _IOR('W', 0x01, struct snd_rawmidi_info) | |
545 | #define SNDRV_RAWMIDI_IOCTL_PARAMS _IOWR('W', 0x10, struct snd_rawmidi_params) | |
546 | #define SNDRV_RAWMIDI_IOCTL_STATUS _IOWR('W', 0x20, struct snd_rawmidi_status) | |
547 | #define SNDRV_RAWMIDI_IOCTL_DROP _IOW('W', 0x30, int) | |
548 | #define SNDRV_RAWMIDI_IOCTL_DRAIN _IOW('W', 0x31, int) | |
1da177e4 LT |
549 | |
550 | /* | |
551 | * Timer section - /dev/snd/timer | |
552 | */ | |
553 | ||
b30477d5 | 554 | #define SNDRV_TIMER_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 6) |
1da177e4 | 555 | |
512bbd6a | 556 | enum { |
1da177e4 LT |
557 | SNDRV_TIMER_CLASS_NONE = -1, |
558 | SNDRV_TIMER_CLASS_SLAVE = 0, | |
559 | SNDRV_TIMER_CLASS_GLOBAL, | |
560 | SNDRV_TIMER_CLASS_CARD, | |
561 | SNDRV_TIMER_CLASS_PCM, | |
562 | SNDRV_TIMER_CLASS_LAST = SNDRV_TIMER_CLASS_PCM, | |
563 | }; | |
564 | ||
565 | /* slave timer classes */ | |
512bbd6a | 566 | enum { |
1da177e4 LT |
567 | SNDRV_TIMER_SCLASS_NONE = 0, |
568 | SNDRV_TIMER_SCLASS_APPLICATION, | |
569 | SNDRV_TIMER_SCLASS_SEQUENCER, /* alias */ | |
570 | SNDRV_TIMER_SCLASS_OSS_SEQUENCER, /* alias */ | |
571 | SNDRV_TIMER_SCLASS_LAST = SNDRV_TIMER_SCLASS_OSS_SEQUENCER, | |
572 | }; | |
573 | ||
574 | /* global timers (device member) */ | |
575 | #define SNDRV_TIMER_GLOBAL_SYSTEM 0 | |
576 | #define SNDRV_TIMER_GLOBAL_RTC 1 | |
577 | #define SNDRV_TIMER_GLOBAL_HPET 2 | |
bbaf5e97 | 578 | #define SNDRV_TIMER_GLOBAL_HRTIMER 3 |
1da177e4 LT |
579 | |
580 | /* info flags */ | |
581 | #define SNDRV_TIMER_FLG_SLAVE (1<<0) /* cannot be controlled */ | |
582 | ||
512bbd6a | 583 | struct snd_timer_id { |
89485d49 | 584 | int dev_class; |
512bbd6a | 585 | int dev_sclass; |
1da177e4 LT |
586 | int card; |
587 | int device; | |
588 | int subdevice; | |
589 | }; | |
590 | ||
512bbd6a TI |
591 | struct snd_timer_ginfo { |
592 | struct snd_timer_id tid; /* requested timer ID */ | |
1da177e4 LT |
593 | unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ |
594 | int card; /* card number */ | |
595 | unsigned char id[64]; /* timer identification */ | |
596 | unsigned char name[80]; /* timer name */ | |
597 | unsigned long reserved0; /* reserved for future use */ | |
598 | unsigned long resolution; /* average period resolution in ns */ | |
599 | unsigned long resolution_min; /* minimal period resolution in ns */ | |
600 | unsigned long resolution_max; /* maximal period resolution in ns */ | |
601 | unsigned int clients; /* active timer clients */ | |
602 | unsigned char reserved[32]; | |
603 | }; | |
604 | ||
512bbd6a TI |
605 | struct snd_timer_gparams { |
606 | struct snd_timer_id tid; /* requested timer ID */ | |
1da177e4 LT |
607 | unsigned long period_num; /* requested precise period duration (in seconds) - numerator */ |
608 | unsigned long period_den; /* requested precise period duration (in seconds) - denominator */ | |
609 | unsigned char reserved[32]; | |
610 | }; | |
611 | ||
512bbd6a TI |
612 | struct snd_timer_gstatus { |
613 | struct snd_timer_id tid; /* requested timer ID */ | |
1da177e4 LT |
614 | unsigned long resolution; /* current period resolution in ns */ |
615 | unsigned long resolution_num; /* precise current period resolution (in seconds) - numerator */ | |
616 | unsigned long resolution_den; /* precise current period resolution (in seconds) - denominator */ | |
617 | unsigned char reserved[32]; | |
618 | }; | |
619 | ||
512bbd6a TI |
620 | struct snd_timer_select { |
621 | struct snd_timer_id id; /* bind to timer ID */ | |
1da177e4 LT |
622 | unsigned char reserved[32]; /* reserved */ |
623 | }; | |
624 | ||
512bbd6a | 625 | struct snd_timer_info { |
1da177e4 LT |
626 | unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ |
627 | int card; /* card number */ | |
628 | unsigned char id[64]; /* timer identificator */ | |
629 | unsigned char name[80]; /* timer name */ | |
630 | unsigned long reserved0; /* reserved for future use */ | |
631 | unsigned long resolution; /* average period resolution in ns */ | |
632 | unsigned char reserved[64]; /* reserved */ | |
633 | }; | |
634 | ||
635 | #define SNDRV_TIMER_PSFLG_AUTO (1<<0) /* auto start, otherwise one-shot */ | |
636 | #define SNDRV_TIMER_PSFLG_EXCLUSIVE (1<<1) /* exclusive use, precise start/stop/pause/continue */ | |
637 | #define SNDRV_TIMER_PSFLG_EARLY_EVENT (1<<2) /* write early event to the poll queue */ | |
638 | ||
512bbd6a | 639 | struct snd_timer_params { |
1da177e4 LT |
640 | unsigned int flags; /* flags - SNDRV_MIXER_PSFLG_* */ |
641 | unsigned int ticks; /* requested resolution in ticks */ | |
642 | unsigned int queue_size; /* total size of queue (32-1024) */ | |
643 | unsigned int reserved0; /* reserved, was: failure locations */ | |
644 | unsigned int filter; /* event filter (bitmask of SNDRV_TIMER_EVENT_*) */ | |
645 | unsigned char reserved[60]; /* reserved */ | |
646 | }; | |
647 | ||
512bbd6a | 648 | struct snd_timer_status { |
1da177e4 LT |
649 | struct timespec tstamp; /* Timestamp - last update */ |
650 | unsigned int resolution; /* current period resolution in ns */ | |
651 | unsigned int lost; /* counter of master tick lost */ | |
652 | unsigned int overrun; /* count of read queue overruns */ | |
653 | unsigned int queue; /* used queue size */ | |
654 | unsigned char reserved[64]; /* reserved */ | |
655 | }; | |
656 | ||
78a05b52 TI |
657 | #define SNDRV_TIMER_IOCTL_PVERSION _IOR('T', 0x00, int) |
658 | #define SNDRV_TIMER_IOCTL_NEXT_DEVICE _IOWR('T', 0x01, struct snd_timer_id) | |
659 | #define SNDRV_TIMER_IOCTL_TREAD _IOW('T', 0x02, int) | |
660 | #define SNDRV_TIMER_IOCTL_GINFO _IOWR('T', 0x03, struct snd_timer_ginfo) | |
661 | #define SNDRV_TIMER_IOCTL_GPARAMS _IOW('T', 0x04, struct snd_timer_gparams) | |
662 | #define SNDRV_TIMER_IOCTL_GSTATUS _IOWR('T', 0x05, struct snd_timer_gstatus) | |
663 | #define SNDRV_TIMER_IOCTL_SELECT _IOW('T', 0x10, struct snd_timer_select) | |
664 | #define SNDRV_TIMER_IOCTL_INFO _IOR('T', 0x11, struct snd_timer_info) | |
665 | #define SNDRV_TIMER_IOCTL_PARAMS _IOW('T', 0x12, struct snd_timer_params) | |
666 | #define SNDRV_TIMER_IOCTL_STATUS _IOR('T', 0x14, struct snd_timer_status) | |
667 | /* The following four ioctls are changed since 1.0.9 due to confliction */ | |
668 | #define SNDRV_TIMER_IOCTL_START _IO('T', 0xa0) | |
669 | #define SNDRV_TIMER_IOCTL_STOP _IO('T', 0xa1) | |
670 | #define SNDRV_TIMER_IOCTL_CONTINUE _IO('T', 0xa2) | |
671 | #define SNDRV_TIMER_IOCTL_PAUSE _IO('T', 0xa3) | |
1da177e4 | 672 | |
512bbd6a | 673 | struct snd_timer_read { |
1da177e4 LT |
674 | unsigned int resolution; |
675 | unsigned int ticks; | |
676 | }; | |
677 | ||
512bbd6a | 678 | enum { |
1da177e4 LT |
679 | SNDRV_TIMER_EVENT_RESOLUTION = 0, /* val = resolution in ns */ |
680 | SNDRV_TIMER_EVENT_TICK, /* val = ticks */ | |
681 | SNDRV_TIMER_EVENT_START, /* val = resolution in ns */ | |
682 | SNDRV_TIMER_EVENT_STOP, /* val = 0 */ | |
683 | SNDRV_TIMER_EVENT_CONTINUE, /* val = resolution in ns */ | |
684 | SNDRV_TIMER_EVENT_PAUSE, /* val = 0 */ | |
685 | SNDRV_TIMER_EVENT_EARLY, /* val = 0, early event */ | |
a501dfa3 | 686 | SNDRV_TIMER_EVENT_SUSPEND, /* val = 0 */ |
5ca307b2 | 687 | SNDRV_TIMER_EVENT_RESUME, /* val = resolution in ns */ |
1da177e4 LT |
688 | /* master timer events for slave timer instances */ |
689 | SNDRV_TIMER_EVENT_MSTART = SNDRV_TIMER_EVENT_START + 10, | |
690 | SNDRV_TIMER_EVENT_MSTOP = SNDRV_TIMER_EVENT_STOP + 10, | |
691 | SNDRV_TIMER_EVENT_MCONTINUE = SNDRV_TIMER_EVENT_CONTINUE + 10, | |
692 | SNDRV_TIMER_EVENT_MPAUSE = SNDRV_TIMER_EVENT_PAUSE + 10, | |
a501dfa3 JK |
693 | SNDRV_TIMER_EVENT_MSUSPEND = SNDRV_TIMER_EVENT_SUSPEND + 10, |
694 | SNDRV_TIMER_EVENT_MRESUME = SNDRV_TIMER_EVENT_RESUME + 10, | |
1da177e4 LT |
695 | }; |
696 | ||
512bbd6a TI |
697 | struct snd_timer_tread { |
698 | int event; | |
1da177e4 LT |
699 | struct timespec tstamp; |
700 | unsigned int val; | |
701 | }; | |
702 | ||
703 | /**************************************************************************** | |
704 | * * | |
705 | * Section for driver control interface - /dev/snd/control? * | |
706 | * * | |
707 | ****************************************************************************/ | |
708 | ||
8d448162 | 709 | #define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 7) |
1da177e4 | 710 | |
512bbd6a | 711 | struct snd_ctl_card_info { |
1da177e4 LT |
712 | int card; /* card number */ |
713 | int pad; /* reserved for future (was type) */ | |
714 | unsigned char id[16]; /* ID of card (user selectable) */ | |
715 | unsigned char driver[16]; /* Driver name */ | |
716 | unsigned char name[32]; /* Short name of soundcard */ | |
717 | unsigned char longname[80]; /* name + info text about soundcard */ | |
718 | unsigned char reserved_[16]; /* reserved for future (was ID of mixer) */ | |
719 | unsigned char mixername[80]; /* visual mixer identification */ | |
ff33f230 | 720 | unsigned char components[128]; /* card components / fine identification, delimited with one space (AC97 etc..) */ |
1da177e4 LT |
721 | }; |
722 | ||
512bbd6a TI |
723 | typedef int __bitwise snd_ctl_elem_type_t; |
724 | #define SNDRV_CTL_ELEM_TYPE_NONE ((__force snd_ctl_elem_type_t) 0) /* invalid */ | |
725 | #define SNDRV_CTL_ELEM_TYPE_BOOLEAN ((__force snd_ctl_elem_type_t) 1) /* boolean type */ | |
726 | #define SNDRV_CTL_ELEM_TYPE_INTEGER ((__force snd_ctl_elem_type_t) 2) /* integer type */ | |
727 | #define SNDRV_CTL_ELEM_TYPE_ENUMERATED ((__force snd_ctl_elem_type_t) 3) /* enumerated type */ | |
728 | #define SNDRV_CTL_ELEM_TYPE_BYTES ((__force snd_ctl_elem_type_t) 4) /* byte array */ | |
729 | #define SNDRV_CTL_ELEM_TYPE_IEC958 ((__force snd_ctl_elem_type_t) 5) /* IEC958 (S/PDIF) setup */ | |
730 | #define SNDRV_CTL_ELEM_TYPE_INTEGER64 ((__force snd_ctl_elem_type_t) 6) /* 64-bit integer type */ | |
731 | #define SNDRV_CTL_ELEM_TYPE_LAST SNDRV_CTL_ELEM_TYPE_INTEGER64 | |
732 | ||
733 | typedef int __bitwise snd_ctl_elem_iface_t; | |
734 | #define SNDRV_CTL_ELEM_IFACE_CARD ((__force snd_ctl_elem_iface_t) 0) /* global control */ | |
735 | #define SNDRV_CTL_ELEM_IFACE_HWDEP ((__force snd_ctl_elem_iface_t) 1) /* hardware dependent device */ | |
736 | #define SNDRV_CTL_ELEM_IFACE_MIXER ((__force snd_ctl_elem_iface_t) 2) /* virtual mixer device */ | |
737 | #define SNDRV_CTL_ELEM_IFACE_PCM ((__force snd_ctl_elem_iface_t) 3) /* PCM device */ | |
738 | #define SNDRV_CTL_ELEM_IFACE_RAWMIDI ((__force snd_ctl_elem_iface_t) 4) /* RawMidi device */ | |
739 | #define SNDRV_CTL_ELEM_IFACE_TIMER ((__force snd_ctl_elem_iface_t) 5) /* timer device */ | |
740 | #define SNDRV_CTL_ELEM_IFACE_SEQUENCER ((__force snd_ctl_elem_iface_t) 6) /* sequencer client */ | |
741 | #define SNDRV_CTL_ELEM_IFACE_LAST SNDRV_CTL_ELEM_IFACE_SEQUENCER | |
1da177e4 LT |
742 | |
743 | #define SNDRV_CTL_ELEM_ACCESS_READ (1<<0) | |
744 | #define SNDRV_CTL_ELEM_ACCESS_WRITE (1<<1) | |
745 | #define SNDRV_CTL_ELEM_ACCESS_READWRITE (SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE) | |
746 | #define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1<<2) /* control value may be changed without a notification */ | |
8aa9b586 JK |
747 | #define SNDRV_CTL_ELEM_ACCESS_TIMESTAMP (1<<3) /* when was control changed */ |
748 | #define SNDRV_CTL_ELEM_ACCESS_TLV_READ (1<<4) /* TLV read is possible */ | |
749 | #define SNDRV_CTL_ELEM_ACCESS_TLV_WRITE (1<<5) /* TLV write is possible */ | |
750 | #define SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE (SNDRV_CTL_ELEM_ACCESS_TLV_READ|SNDRV_CTL_ELEM_ACCESS_TLV_WRITE) | |
751 | #define SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND (1<<6) /* TLV command is possible */ | |
1da177e4 LT |
752 | #define SNDRV_CTL_ELEM_ACCESS_INACTIVE (1<<8) /* control does actually nothing, but may be updated */ |
753 | #define SNDRV_CTL_ELEM_ACCESS_LOCK (1<<9) /* write lock */ | |
754 | #define SNDRV_CTL_ELEM_ACCESS_OWNER (1<<10) /* write lock owner */ | |
8aa9b586 | 755 | #define SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK (1<<28) /* kernel use a TLV callback */ |
1da177e4 | 756 | #define SNDRV_CTL_ELEM_ACCESS_USER (1<<29) /* user space element */ |
8ace4f3c | 757 | /* bits 30 and 31 are obsoleted (for indirect access) */ |
1da177e4 LT |
758 | |
759 | /* for further details see the ACPI and PCI power management specification */ | |
760 | #define SNDRV_CTL_POWER_D0 0x0000 /* full On */ | |
761 | #define SNDRV_CTL_POWER_D1 0x0100 /* partial On */ | |
762 | #define SNDRV_CTL_POWER_D2 0x0200 /* partial On */ | |
763 | #define SNDRV_CTL_POWER_D3 0x0300 /* Off */ | |
764 | #define SNDRV_CTL_POWER_D3hot (SNDRV_CTL_POWER_D3|0x0000) /* Off, with power */ | |
765 | #define SNDRV_CTL_POWER_D3cold (SNDRV_CTL_POWER_D3|0x0001) /* Off, without power */ | |
766 | ||
512bbd6a | 767 | struct snd_ctl_elem_id { |
1da177e4 | 768 | unsigned int numid; /* numeric identifier, zero = invalid */ |
512bbd6a | 769 | snd_ctl_elem_iface_t iface; /* interface identifier */ |
1da177e4 LT |
770 | unsigned int device; /* device/client number */ |
771 | unsigned int subdevice; /* subdevice (substream) number */ | |
89485d49 | 772 | unsigned char name[44]; /* ASCII name of item */ |
1da177e4 LT |
773 | unsigned int index; /* index of item */ |
774 | }; | |
775 | ||
512bbd6a | 776 | struct snd_ctl_elem_list { |
1da177e4 LT |
777 | unsigned int offset; /* W: first element ID to get */ |
778 | unsigned int space; /* W: count of element IDs to get */ | |
779 | unsigned int used; /* R: count of element IDs set */ | |
780 | unsigned int count; /* R: count of all elements */ | |
512bbd6a | 781 | struct snd_ctl_elem_id __user *pids; /* R: IDs */ |
1da177e4 LT |
782 | unsigned char reserved[50]; |
783 | }; | |
784 | ||
512bbd6a TI |
785 | struct snd_ctl_elem_info { |
786 | struct snd_ctl_elem_id id; /* W: element ID */ | |
787 | snd_ctl_elem_type_t type; /* R: value type - SNDRV_CTL_ELEM_TYPE_* */ | |
1da177e4 LT |
788 | unsigned int access; /* R: value access (bitmask) - SNDRV_CTL_ELEM_ACCESS_* */ |
789 | unsigned int count; /* count of values */ | |
85efde6f | 790 | __kernel_pid_t owner; /* owner's PID of this control */ |
1da177e4 LT |
791 | union { |
792 | struct { | |
793 | long min; /* R: minimum value */ | |
794 | long max; /* R: maximum value */ | |
795 | long step; /* R: step (0 variable) */ | |
796 | } integer; | |
797 | struct { | |
798 | long long min; /* R: minimum value */ | |
799 | long long max; /* R: maximum value */ | |
800 | long long step; /* R: step (0 variable) */ | |
801 | } integer64; | |
802 | struct { | |
803 | unsigned int items; /* R: number of items */ | |
804 | unsigned int item; /* W: item number */ | |
805 | char name[64]; /* R: value name */ | |
8d448162 CL |
806 | __u64 names_ptr; /* W: names list (ELEM_ADD only) */ |
807 | unsigned int names_length; | |
1da177e4 LT |
808 | } enumerated; |
809 | unsigned char reserved[128]; | |
810 | } value; | |
811 | union { | |
812 | unsigned short d[4]; /* dimensions */ | |
8ace4f3c | 813 | unsigned short *d_ptr; /* indirect - obsoleted */ |
1da177e4 LT |
814 | } dimen; |
815 | unsigned char reserved[64-4*sizeof(unsigned short)]; | |
816 | }; | |
817 | ||
512bbd6a TI |
818 | struct snd_ctl_elem_value { |
819 | struct snd_ctl_elem_id id; /* W: element ID */ | |
8ace4f3c | 820 | unsigned int indirect: 1; /* W: indirect access - obsoleted */ |
89485d49 | 821 | union { |
1da177e4 LT |
822 | union { |
823 | long value[128]; | |
8ace4f3c | 824 | long *value_ptr; /* obsoleted */ |
1da177e4 LT |
825 | } integer; |
826 | union { | |
827 | long long value[64]; | |
8ace4f3c | 828 | long long *value_ptr; /* obsoleted */ |
1da177e4 LT |
829 | } integer64; |
830 | union { | |
831 | unsigned int item[128]; | |
8ace4f3c | 832 | unsigned int *item_ptr; /* obsoleted */ |
1da177e4 LT |
833 | } enumerated; |
834 | union { | |
835 | unsigned char data[512]; | |
8ace4f3c | 836 | unsigned char *data_ptr; /* obsoleted */ |
1da177e4 | 837 | } bytes; |
512bbd6a | 838 | struct snd_aes_iec958 iec958; |
89485d49 | 839 | } value; /* RO */ |
1da177e4 | 840 | struct timespec tstamp; |
89485d49 | 841 | unsigned char reserved[128-sizeof(struct timespec)]; |
1da177e4 LT |
842 | }; |
843 | ||
42750b04 | 844 | struct snd_ctl_tlv { |
89485d49 DM |
845 | unsigned int numid; /* control element numeric identification */ |
846 | unsigned int length; /* in bytes aligned to 4 */ | |
847 | unsigned int tlv[0]; /* first TLV */ | |
42750b04 JK |
848 | }; |
849 | ||
78a05b52 TI |
850 | #define SNDRV_CTL_IOCTL_PVERSION _IOR('U', 0x00, int) |
851 | #define SNDRV_CTL_IOCTL_CARD_INFO _IOR('U', 0x01, struct snd_ctl_card_info) | |
852 | #define SNDRV_CTL_IOCTL_ELEM_LIST _IOWR('U', 0x10, struct snd_ctl_elem_list) | |
853 | #define SNDRV_CTL_IOCTL_ELEM_INFO _IOWR('U', 0x11, struct snd_ctl_elem_info) | |
854 | #define SNDRV_CTL_IOCTL_ELEM_READ _IOWR('U', 0x12, struct snd_ctl_elem_value) | |
855 | #define SNDRV_CTL_IOCTL_ELEM_WRITE _IOWR('U', 0x13, struct snd_ctl_elem_value) | |
856 | #define SNDRV_CTL_IOCTL_ELEM_LOCK _IOW('U', 0x14, struct snd_ctl_elem_id) | |
857 | #define SNDRV_CTL_IOCTL_ELEM_UNLOCK _IOW('U', 0x15, struct snd_ctl_elem_id) | |
858 | #define SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS _IOWR('U', 0x16, int) | |
859 | #define SNDRV_CTL_IOCTL_ELEM_ADD _IOWR('U', 0x17, struct snd_ctl_elem_info) | |
860 | #define SNDRV_CTL_IOCTL_ELEM_REPLACE _IOWR('U', 0x18, struct snd_ctl_elem_info) | |
861 | #define SNDRV_CTL_IOCTL_ELEM_REMOVE _IOWR('U', 0x19, struct snd_ctl_elem_id) | |
862 | #define SNDRV_CTL_IOCTL_TLV_READ _IOWR('U', 0x1a, struct snd_ctl_tlv) | |
863 | #define SNDRV_CTL_IOCTL_TLV_WRITE _IOWR('U', 0x1b, struct snd_ctl_tlv) | |
864 | #define SNDRV_CTL_IOCTL_TLV_COMMAND _IOWR('U', 0x1c, struct snd_ctl_tlv) | |
865 | #define SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE _IOWR('U', 0x20, int) | |
866 | #define SNDRV_CTL_IOCTL_HWDEP_INFO _IOR('U', 0x21, struct snd_hwdep_info) | |
867 | #define SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE _IOR('U', 0x30, int) | |
868 | #define SNDRV_CTL_IOCTL_PCM_INFO _IOWR('U', 0x31, struct snd_pcm_info) | |
869 | #define SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE _IOW('U', 0x32, int) | |
870 | #define SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE _IOWR('U', 0x40, int) | |
871 | #define SNDRV_CTL_IOCTL_RAWMIDI_INFO _IOWR('U', 0x41, struct snd_rawmidi_info) | |
872 | #define SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE _IOW('U', 0x42, int) | |
873 | #define SNDRV_CTL_IOCTL_POWER _IOWR('U', 0xd0, int) | |
874 | #define SNDRV_CTL_IOCTL_POWER_STATE _IOR('U', 0xd1, int) | |
1da177e4 LT |
875 | |
876 | /* | |
877 | * Read interface. | |
878 | */ | |
879 | ||
880 | enum sndrv_ctl_event_type { | |
881 | SNDRV_CTL_EVENT_ELEM = 0, | |
882 | SNDRV_CTL_EVENT_LAST = SNDRV_CTL_EVENT_ELEM, | |
883 | }; | |
884 | ||
885 | #define SNDRV_CTL_EVENT_MASK_VALUE (1<<0) /* element value was changed */ | |
886 | #define SNDRV_CTL_EVENT_MASK_INFO (1<<1) /* element info was changed */ | |
887 | #define SNDRV_CTL_EVENT_MASK_ADD (1<<2) /* element was added */ | |
8aa9b586 | 888 | #define SNDRV_CTL_EVENT_MASK_TLV (1<<3) /* element TLV tree was changed */ |
1da177e4 LT |
889 | #define SNDRV_CTL_EVENT_MASK_REMOVE (~0U) /* element was removed */ |
890 | ||
512bbd6a TI |
891 | struct snd_ctl_event { |
892 | int type; /* event type - SNDRV_CTL_EVENT_* */ | |
1da177e4 LT |
893 | union { |
894 | struct { | |
895 | unsigned int mask; | |
512bbd6a | 896 | struct snd_ctl_elem_id id; |
1da177e4 | 897 | } elem; |
89485d49 DM |
898 | unsigned char data8[60]; |
899 | } data; | |
1da177e4 LT |
900 | }; |
901 | ||
902 | /* | |
903 | * Control names | |
904 | */ | |
905 | ||
906 | #define SNDRV_CTL_NAME_NONE "" | |
907 | #define SNDRV_CTL_NAME_PLAYBACK "Playback " | |
908 | #define SNDRV_CTL_NAME_CAPTURE "Capture " | |
909 | ||
910 | #define SNDRV_CTL_NAME_IEC958_NONE "" | |
911 | #define SNDRV_CTL_NAME_IEC958_SWITCH "Switch" | |
912 | #define SNDRV_CTL_NAME_IEC958_VOLUME "Volume" | |
913 | #define SNDRV_CTL_NAME_IEC958_DEFAULT "Default" | |
914 | #define SNDRV_CTL_NAME_IEC958_MASK "Mask" | |
915 | #define SNDRV_CTL_NAME_IEC958_CON_MASK "Con Mask" | |
916 | #define SNDRV_CTL_NAME_IEC958_PRO_MASK "Pro Mask" | |
917 | #define SNDRV_CTL_NAME_IEC958_PCM_STREAM "PCM Stream" | |
918 | #define SNDRV_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SNDRV_CTL_NAME_##direction SNDRV_CTL_NAME_IEC958_##what | |
919 | ||
1da177e4 | 920 | #endif /* __SOUND_ASOUND_H */ |