Commit | Line | Data |
---|---|---|
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 | ||
7ba1c40b RN |
71 | /**************************************************************************** |
72 | * * | |
73 | * CEA-861 Audio InfoFrame. Used in HDMI and DisplayPort * | |
74 | * * | |
75 | ****************************************************************************/ | |
76 | ||
77 | struct snd_cea_861_aud_if { | |
78 | unsigned char db1_ct_cc; /* coding type and channel count */ | |
79 | unsigned char db2_sf_ss; /* sample frequency and size */ | |
80 | unsigned char db3; /* not used, all zeros */ | |
81 | unsigned char db4_ca; /* channel allocation code */ | |
82 | unsigned char db5_dminh_lsv; /* downmix inhibit & level-shit values */ | |
83 | }; | |
84 | ||
1da177e4 LT |
85 | /**************************************************************************** |
86 | * * | |
87 | * Section for driver hardware dependent interface - /dev/snd/hw? * | |
88 | * * | |
89 | ****************************************************************************/ | |
90 | ||
91 | #define SNDRV_HWDEP_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1) | |
92 | ||
512bbd6a | 93 | enum { |
1da177e4 LT |
94 | SNDRV_HWDEP_IFACE_OPL2 = 0, |
95 | SNDRV_HWDEP_IFACE_OPL3, | |
96 | SNDRV_HWDEP_IFACE_OPL4, | |
97 | SNDRV_HWDEP_IFACE_SB16CSP, /* Creative Signal Processor */ | |
98 | SNDRV_HWDEP_IFACE_EMU10K1, /* FX8010 processor in EMU10K1 chip */ | |
99 | SNDRV_HWDEP_IFACE_YSS225, /* Yamaha FX processor */ | |
100 | SNDRV_HWDEP_IFACE_ICS2115, /* Wavetable synth */ | |
101 | SNDRV_HWDEP_IFACE_SSCAPE, /* Ensoniq SoundScape ISA card (MC68EC000) */ | |
102 | SNDRV_HWDEP_IFACE_VX, /* Digigram VX cards */ | |
103 | SNDRV_HWDEP_IFACE_MIXART, /* Digigram miXart cards */ | |
104 | SNDRV_HWDEP_IFACE_USX2Y, /* Tascam US122, US224 & US428 usb */ | |
105 | SNDRV_HWDEP_IFACE_EMUX_WAVETABLE, /* EmuX wavetable */ | |
106 | SNDRV_HWDEP_IFACE_BLUETOOTH, /* Bluetooth audio */ | |
107 | SNDRV_HWDEP_IFACE_USX2Y_PCM, /* Tascam US122, US224 & US428 rawusb pcm */ | |
108 | SNDRV_HWDEP_IFACE_PCXHR, /* Digigram PCXHR */ | |
b259b10c | 109 | SNDRV_HWDEP_IFACE_SB_RC, /* SB Extigy/Audigy2NX remote control */ |
2807314d | 110 | SNDRV_HWDEP_IFACE_HDA, /* HD-audio */ |
030a07e4 | 111 | SNDRV_HWDEP_IFACE_USB_STREAM, /* direct access to usb stream */ |
1da177e4 LT |
112 | |
113 | /* Don't forget to change the following: */ | |
030a07e4 | 114 | SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_USB_STREAM |
1da177e4 LT |
115 | }; |
116 | ||
512bbd6a | 117 | struct snd_hwdep_info { |
1da177e4 LT |
118 | unsigned int device; /* WR: device number */ |
119 | int card; /* R: card number */ | |
120 | unsigned char id[64]; /* ID (user selectable) */ | |
121 | unsigned char name[80]; /* hwdep name */ | |
512bbd6a | 122 | int iface; /* hwdep interface */ |
1da177e4 LT |
123 | unsigned char reserved[64]; /* reserved for future */ |
124 | }; | |
125 | ||
126 | /* generic DSP loader */ | |
512bbd6a | 127 | struct snd_hwdep_dsp_status { |
1da177e4 LT |
128 | unsigned int version; /* R: driver-specific version */ |
129 | unsigned char id[32]; /* R: driver-specific ID string */ | |
130 | unsigned int num_dsps; /* R: number of DSP images to transfer */ | |
131 | unsigned int dsp_loaded; /* R: bit flags indicating the loaded DSPs */ | |
132 | unsigned int chip_ready; /* R: 1 = initialization finished */ | |
133 | unsigned char reserved[16]; /* reserved for future use */ | |
134 | }; | |
135 | ||
512bbd6a | 136 | struct snd_hwdep_dsp_image { |
1da177e4 LT |
137 | unsigned int index; /* W: DSP index */ |
138 | unsigned char name[64]; /* W: ID (e.g. file name) */ | |
139 | unsigned char __user *image; /* W: binary image */ | |
140 | size_t length; /* W: size of image in bytes */ | |
141 | unsigned long driver_data; /* W: driver-specific data */ | |
142 | }; | |
143 | ||
78a05b52 TI |
144 | #define SNDRV_HWDEP_IOCTL_PVERSION _IOR ('H', 0x00, int) |
145 | #define SNDRV_HWDEP_IOCTL_INFO _IOR ('H', 0x01, struct snd_hwdep_info) | |
146 | #define SNDRV_HWDEP_IOCTL_DSP_STATUS _IOR('H', 0x02, struct snd_hwdep_dsp_status) | |
147 | #define SNDRV_HWDEP_IOCTL_DSP_LOAD _IOW('H', 0x03, struct snd_hwdep_dsp_image) | |
1da177e4 LT |
148 | |
149 | /***************************************************************************** | |
150 | * * | |
151 | * Digital Audio (PCM) interface - /dev/snd/pcm?? * | |
152 | * * | |
153 | *****************************************************************************/ | |
154 | ||
5a53a764 | 155 | #define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 10) |
1da177e4 | 156 | |
512bbd6a TI |
157 | typedef unsigned long snd_pcm_uframes_t; |
158 | typedef signed long snd_pcm_sframes_t; | |
1da177e4 | 159 | |
512bbd6a | 160 | enum { |
1da177e4 LT |
161 | SNDRV_PCM_CLASS_GENERIC = 0, /* standard mono or stereo device */ |
162 | SNDRV_PCM_CLASS_MULTI, /* multichannel device */ | |
163 | SNDRV_PCM_CLASS_MODEM, /* software modem class */ | |
164 | SNDRV_PCM_CLASS_DIGITIZER, /* digitizer class */ | |
165 | /* Don't forget to change the following: */ | |
166 | SNDRV_PCM_CLASS_LAST = SNDRV_PCM_CLASS_DIGITIZER, | |
167 | }; | |
168 | ||
512bbd6a | 169 | enum { |
1da177e4 LT |
170 | SNDRV_PCM_SUBCLASS_GENERIC_MIX = 0, /* mono or stereo subdevices are mixed together */ |
171 | SNDRV_PCM_SUBCLASS_MULTI_MIX, /* multichannel subdevices are mixed together */ | |
172 | /* Don't forget to change the following: */ | |
173 | SNDRV_PCM_SUBCLASS_LAST = SNDRV_PCM_SUBCLASS_MULTI_MIX, | |
174 | }; | |
175 | ||
512bbd6a | 176 | enum { |
1da177e4 LT |
177 | SNDRV_PCM_STREAM_PLAYBACK = 0, |
178 | SNDRV_PCM_STREAM_CAPTURE, | |
179 | SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE, | |
180 | }; | |
181 | ||
512bbd6a TI |
182 | typedef int __bitwise snd_pcm_access_t; |
183 | #define SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ((__force snd_pcm_access_t) 0) /* interleaved mmap */ | |
184 | #define SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ((__force snd_pcm_access_t) 1) /* noninterleaved mmap */ | |
185 | #define SNDRV_PCM_ACCESS_MMAP_COMPLEX ((__force snd_pcm_access_t) 2) /* complex mmap */ | |
186 | #define SNDRV_PCM_ACCESS_RW_INTERLEAVED ((__force snd_pcm_access_t) 3) /* readi/writei */ | |
187 | #define SNDRV_PCM_ACCESS_RW_NONINTERLEAVED ((__force snd_pcm_access_t) 4) /* readn/writen */ | |
188 | #define SNDRV_PCM_ACCESS_LAST SNDRV_PCM_ACCESS_RW_NONINTERLEAVED | |
189 | ||
190 | typedef int __bitwise snd_pcm_format_t; | |
191 | #define SNDRV_PCM_FORMAT_S8 ((__force snd_pcm_format_t) 0) | |
192 | #define SNDRV_PCM_FORMAT_U8 ((__force snd_pcm_format_t) 1) | |
193 | #define SNDRV_PCM_FORMAT_S16_LE ((__force snd_pcm_format_t) 2) | |
194 | #define SNDRV_PCM_FORMAT_S16_BE ((__force snd_pcm_format_t) 3) | |
195 | #define SNDRV_PCM_FORMAT_U16_LE ((__force snd_pcm_format_t) 4) | |
196 | #define SNDRV_PCM_FORMAT_U16_BE ((__force snd_pcm_format_t) 5) | |
197 | #define SNDRV_PCM_FORMAT_S24_LE ((__force snd_pcm_format_t) 6) /* low three bytes */ | |
198 | #define SNDRV_PCM_FORMAT_S24_BE ((__force snd_pcm_format_t) 7) /* low three bytes */ | |
199 | #define SNDRV_PCM_FORMAT_U24_LE ((__force snd_pcm_format_t) 8) /* low three bytes */ | |
200 | #define SNDRV_PCM_FORMAT_U24_BE ((__force snd_pcm_format_t) 9) /* low three bytes */ | |
201 | #define SNDRV_PCM_FORMAT_S32_LE ((__force snd_pcm_format_t) 10) | |
202 | #define SNDRV_PCM_FORMAT_S32_BE ((__force snd_pcm_format_t) 11) | |
203 | #define SNDRV_PCM_FORMAT_U32_LE ((__force snd_pcm_format_t) 12) | |
204 | #define SNDRV_PCM_FORMAT_U32_BE ((__force snd_pcm_format_t) 13) | |
205 | #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 */ | |
206 | #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 */ | |
207 | #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 */ | |
208 | #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 */ | |
209 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE ((__force snd_pcm_format_t) 18) /* IEC-958 subframe, Little Endian */ | |
210 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE ((__force snd_pcm_format_t) 19) /* IEC-958 subframe, Big Endian */ | |
211 | #define SNDRV_PCM_FORMAT_MU_LAW ((__force snd_pcm_format_t) 20) | |
212 | #define SNDRV_PCM_FORMAT_A_LAW ((__force snd_pcm_format_t) 21) | |
213 | #define SNDRV_PCM_FORMAT_IMA_ADPCM ((__force snd_pcm_format_t) 22) | |
214 | #define SNDRV_PCM_FORMAT_MPEG ((__force snd_pcm_format_t) 23) | |
215 | #define SNDRV_PCM_FORMAT_GSM ((__force snd_pcm_format_t) 24) | |
216 | #define SNDRV_PCM_FORMAT_SPECIAL ((__force snd_pcm_format_t) 31) | |
217 | #define SNDRV_PCM_FORMAT_S24_3LE ((__force snd_pcm_format_t) 32) /* in three bytes */ | |
218 | #define SNDRV_PCM_FORMAT_S24_3BE ((__force snd_pcm_format_t) 33) /* in three bytes */ | |
219 | #define SNDRV_PCM_FORMAT_U24_3LE ((__force snd_pcm_format_t) 34) /* in three bytes */ | |
220 | #define SNDRV_PCM_FORMAT_U24_3BE ((__force snd_pcm_format_t) 35) /* in three bytes */ | |
221 | #define SNDRV_PCM_FORMAT_S20_3LE ((__force snd_pcm_format_t) 36) /* in three bytes */ | |
222 | #define SNDRV_PCM_FORMAT_S20_3BE ((__force snd_pcm_format_t) 37) /* in three bytes */ | |
223 | #define SNDRV_PCM_FORMAT_U20_3LE ((__force snd_pcm_format_t) 38) /* in three bytes */ | |
224 | #define SNDRV_PCM_FORMAT_U20_3BE ((__force snd_pcm_format_t) 39) /* in three bytes */ | |
225 | #define SNDRV_PCM_FORMAT_S18_3LE ((__force snd_pcm_format_t) 40) /* in three bytes */ | |
226 | #define SNDRV_PCM_FORMAT_S18_3BE ((__force snd_pcm_format_t) 41) /* in three bytes */ | |
227 | #define SNDRV_PCM_FORMAT_U18_3LE ((__force snd_pcm_format_t) 42) /* in three bytes */ | |
228 | #define SNDRV_PCM_FORMAT_U18_3BE ((__force snd_pcm_format_t) 43) /* in three bytes */ | |
15c0cee6 BC |
229 | #define SNDRV_PCM_FORMAT_G723_24 ((__force snd_pcm_format_t) 44) /* 8 samples in 3 bytes */ |
230 | #define SNDRV_PCM_FORMAT_G723_24_1B ((__force snd_pcm_format_t) 45) /* 1 sample in 1 byte */ | |
231 | #define SNDRV_PCM_FORMAT_G723_40 ((__force snd_pcm_format_t) 46) /* 8 Samples in 5 bytes */ | |
232 | #define SNDRV_PCM_FORMAT_G723_40_1B ((__force snd_pcm_format_t) 47) /* 1 sample in 1 byte */ | |
233 | #define SNDRV_PCM_FORMAT_LAST SNDRV_PCM_FORMAT_G723_40_1B | |
1da177e4 LT |
234 | |
235 | #ifdef SNDRV_LITTLE_ENDIAN | |
512bbd6a TI |
236 | #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_LE |
237 | #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_LE | |
238 | #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_LE | |
239 | #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_LE | |
240 | #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_LE | |
241 | #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_LE | |
242 | #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_LE | |
243 | #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_LE | |
244 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE | |
1da177e4 LT |
245 | #endif |
246 | #ifdef SNDRV_BIG_ENDIAN | |
512bbd6a TI |
247 | #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_BE |
248 | #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_BE | |
249 | #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_BE | |
250 | #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_BE | |
251 | #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_BE | |
252 | #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_BE | |
253 | #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_BE | |
254 | #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_BE | |
255 | #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE | |
1da177e4 | 256 | #endif |
1da177e4 | 257 | |
512bbd6a TI |
258 | typedef int __bitwise snd_pcm_subformat_t; |
259 | #define SNDRV_PCM_SUBFORMAT_STD ((__force snd_pcm_subformat_t) 0) | |
260 | #define SNDRV_PCM_SUBFORMAT_LAST SNDRV_PCM_SUBFORMAT_STD | |
1da177e4 LT |
261 | |
262 | #define SNDRV_PCM_INFO_MMAP 0x00000001 /* hardware supports mmap */ | |
263 | #define SNDRV_PCM_INFO_MMAP_VALID 0x00000002 /* period data are valid during transfer */ | |
264 | #define SNDRV_PCM_INFO_DOUBLE 0x00000004 /* Double buffering needed for PCM start/stop */ | |
265 | #define SNDRV_PCM_INFO_BATCH 0x00000010 /* double buffering */ | |
266 | #define SNDRV_PCM_INFO_INTERLEAVED 0x00000100 /* channels are interleaved */ | |
267 | #define SNDRV_PCM_INFO_NONINTERLEAVED 0x00000200 /* channels are not interleaved */ | |
268 | #define SNDRV_PCM_INFO_COMPLEX 0x00000400 /* complex frame organization (mmap only) */ | |
269 | #define SNDRV_PCM_INFO_BLOCK_TRANSFER 0x00010000 /* hardware transfer block of samples */ | |
270 | #define SNDRV_PCM_INFO_OVERRANGE 0x00020000 /* hardware supports ADC (capture) overrange detection */ | |
271 | #define SNDRV_PCM_INFO_RESUME 0x00040000 /* hardware supports stream resume after suspend */ | |
272 | #define SNDRV_PCM_INFO_PAUSE 0x00080000 /* pause ioctl is supported */ | |
273 | #define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000 /* only half duplex */ | |
274 | #define SNDRV_PCM_INFO_JOINT_DUPLEX 0x00200000 /* playback and capture stream are somewhat correlated */ | |
275 | #define SNDRV_PCM_INFO_SYNC_START 0x00400000 /* pcm support some kind of sync go */ | |
ab69a490 | 276 | #define SNDRV_PCM_INFO_NO_PERIOD_WAKEUP 0x00800000 /* period wakeup can be disabled */ |
8bea869c | 277 | #define SNDRV_PCM_INFO_FIFO_IN_FRAMES 0x80000000 /* internal kernel flag - FIFO size is in frames */ |
1da177e4 | 278 | |
512bbd6a TI |
279 | typedef int __bitwise snd_pcm_state_t; |
280 | #define SNDRV_PCM_STATE_OPEN ((__force snd_pcm_state_t) 0) /* stream is open */ | |
281 | #define SNDRV_PCM_STATE_SETUP ((__force snd_pcm_state_t) 1) /* stream has a setup */ | |
282 | #define SNDRV_PCM_STATE_PREPARED ((__force snd_pcm_state_t) 2) /* stream is ready to start */ | |
283 | #define SNDRV_PCM_STATE_RUNNING ((__force snd_pcm_state_t) 3) /* stream is running */ | |
284 | #define SNDRV_PCM_STATE_XRUN ((__force snd_pcm_state_t) 4) /* stream reached an xrun */ | |
285 | #define SNDRV_PCM_STATE_DRAINING ((__force snd_pcm_state_t) 5) /* stream is draining */ | |
286 | #define SNDRV_PCM_STATE_PAUSED ((__force snd_pcm_state_t) 6) /* stream is paused */ | |
287 | #define SNDRV_PCM_STATE_SUSPENDED ((__force snd_pcm_state_t) 7) /* hardware is suspended */ | |
288 | #define SNDRV_PCM_STATE_DISCONNECTED ((__force snd_pcm_state_t) 8) /* hardware is disconnected */ | |
289 | #define SNDRV_PCM_STATE_LAST SNDRV_PCM_STATE_DISCONNECTED | |
1da177e4 LT |
290 | |
291 | enum { | |
292 | SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000, | |
293 | SNDRV_PCM_MMAP_OFFSET_STATUS = 0x80000000, | |
294 | SNDRV_PCM_MMAP_OFFSET_CONTROL = 0x81000000, | |
295 | }; | |
296 | ||
512bbd6a | 297 | union snd_pcm_sync_id { |
1da177e4 LT |
298 | unsigned char id[16]; |
299 | unsigned short id16[8]; | |
300 | unsigned int id32[4]; | |
301 | }; | |
302 | ||
512bbd6a | 303 | struct snd_pcm_info { |
1da177e4 LT |
304 | unsigned int device; /* RO/WR (control): device number */ |
305 | unsigned int subdevice; /* RO/WR (control): subdevice number */ | |
512bbd6a | 306 | int stream; /* RO/WR (control): stream direction */ |
1da177e4 LT |
307 | int card; /* R: card number */ |
308 | unsigned char id[64]; /* ID (user selectable) */ | |
309 | unsigned char name[80]; /* name of this device */ | |
310 | unsigned char subname[32]; /* subdevice name */ | |
512bbd6a TI |
311 | int dev_class; /* SNDRV_PCM_CLASS_* */ |
312 | int dev_subclass; /* SNDRV_PCM_SUBCLASS_* */ | |
1da177e4 LT |
313 | unsigned int subdevices_count; |
314 | unsigned int subdevices_avail; | |
512bbd6a | 315 | union snd_pcm_sync_id sync; /* hardware synchronization ID */ |
1da177e4 LT |
316 | unsigned char reserved[64]; /* reserved for future... */ |
317 | }; | |
318 | ||
a99606d2 TI |
319 | typedef int snd_pcm_hw_param_t; |
320 | #define SNDRV_PCM_HW_PARAM_ACCESS 0 /* Access type */ | |
321 | #define SNDRV_PCM_HW_PARAM_FORMAT 1 /* Format */ | |
322 | #define SNDRV_PCM_HW_PARAM_SUBFORMAT 2 /* Subformat */ | |
512bbd6a TI |
323 | #define SNDRV_PCM_HW_PARAM_FIRST_MASK SNDRV_PCM_HW_PARAM_ACCESS |
324 | #define SNDRV_PCM_HW_PARAM_LAST_MASK SNDRV_PCM_HW_PARAM_SUBFORMAT | |
325 | ||
a99606d2 TI |
326 | #define SNDRV_PCM_HW_PARAM_SAMPLE_BITS 8 /* Bits per sample */ |
327 | #define SNDRV_PCM_HW_PARAM_FRAME_BITS 9 /* Bits per frame */ | |
328 | #define SNDRV_PCM_HW_PARAM_CHANNELS 10 /* Channels */ | |
329 | #define SNDRV_PCM_HW_PARAM_RATE 11 /* Approx rate */ | |
330 | #define SNDRV_PCM_HW_PARAM_PERIOD_TIME 12 /* Approx distance between | |
331 | * interrupts in us | |
332 | */ | |
333 | #define SNDRV_PCM_HW_PARAM_PERIOD_SIZE 13 /* Approx frames between | |
334 | * interrupts | |
335 | */ | |
336 | #define SNDRV_PCM_HW_PARAM_PERIOD_BYTES 14 /* Approx bytes between | |
337 | * interrupts | |
338 | */ | |
339 | #define SNDRV_PCM_HW_PARAM_PERIODS 15 /* Approx interrupts per | |
340 | * buffer | |
341 | */ | |
342 | #define SNDRV_PCM_HW_PARAM_BUFFER_TIME 16 /* Approx duration of buffer | |
343 | * in us | |
344 | */ | |
345 | #define SNDRV_PCM_HW_PARAM_BUFFER_SIZE 17 /* Size of buffer in frames */ | |
346 | #define SNDRV_PCM_HW_PARAM_BUFFER_BYTES 18 /* Size of buffer in bytes */ | |
347 | #define SNDRV_PCM_HW_PARAM_TICK_TIME 19 /* Approx tick duration in us */ | |
512bbd6a TI |
348 | #define SNDRV_PCM_HW_PARAM_FIRST_INTERVAL SNDRV_PCM_HW_PARAM_SAMPLE_BITS |
349 | #define SNDRV_PCM_HW_PARAM_LAST_INTERVAL SNDRV_PCM_HW_PARAM_TICK_TIME | |
1da177e4 | 350 | |
a99606d2 | 351 | #define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1<<0) /* avoid rate resampling */ |
ab69a490 CL |
352 | #define SNDRV_PCM_HW_PARAMS_EXPORT_BUFFER (1<<1) /* export buffer */ |
353 | #define SNDRV_PCM_HW_PARAMS_NO_PERIOD_WAKEUP (1<<2) /* disable period wakeups */ | |
1da177e4 | 354 | |
512bbd6a | 355 | struct snd_interval { |
1da177e4 LT |
356 | unsigned int min, max; |
357 | unsigned int openmin:1, | |
358 | openmax:1, | |
359 | integer:1, | |
360 | empty:1; | |
361 | }; | |
362 | ||
363 | #define SNDRV_MASK_MAX 256 | |
364 | ||
512bbd6a | 365 | struct snd_mask { |
9adfbfb6 | 366 | __u32 bits[(SNDRV_MASK_MAX+31)/32]; |
1da177e4 LT |
367 | }; |
368 | ||
512bbd6a | 369 | struct snd_pcm_hw_params { |
1da177e4 | 370 | unsigned int flags; |
512bbd6a | 371 | struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - |
1da177e4 | 372 | SNDRV_PCM_HW_PARAM_FIRST_MASK + 1]; |
512bbd6a TI |
373 | struct snd_mask mres[5]; /* reserved masks */ |
374 | struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL - | |
1da177e4 | 375 | SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1]; |
512bbd6a | 376 | struct snd_interval ires[9]; /* reserved intervals */ |
1da177e4 LT |
377 | unsigned int rmask; /* W: requested masks */ |
378 | unsigned int cmask; /* R: changed masks */ | |
379 | unsigned int info; /* R: Info flags for returned setup */ | |
380 | unsigned int msbits; /* R: used most significant bits */ | |
381 | unsigned int rate_num; /* R: rate numerator */ | |
382 | unsigned int rate_den; /* R: rate denominator */ | |
512bbd6a | 383 | snd_pcm_uframes_t fifo_size; /* R: chip FIFO size in frames */ |
1da177e4 LT |
384 | unsigned char reserved[64]; /* reserved for future */ |
385 | }; | |
386 | ||
512bbd6a | 387 | enum { |
1da177e4 | 388 | SNDRV_PCM_TSTAMP_NONE = 0, |
8c121586 JK |
389 | SNDRV_PCM_TSTAMP_ENABLE, |
390 | SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_ENABLE, | |
1da177e4 LT |
391 | }; |
392 | ||
512bbd6a TI |
393 | struct snd_pcm_sw_params { |
394 | int tstamp_mode; /* timestamp mode */ | |
1da177e4 LT |
395 | unsigned int period_step; |
396 | unsigned int sleep_min; /* min ticks to sleep */ | |
512bbd6a | 397 | snd_pcm_uframes_t avail_min; /* min avail frames for wakeup */ |
d948035a | 398 | snd_pcm_uframes_t xfer_align; /* obsolete: xfer size need to be a multiple */ |
512bbd6a TI |
399 | snd_pcm_uframes_t start_threshold; /* min hw_avail frames for automatic start */ |
400 | snd_pcm_uframes_t stop_threshold; /* min avail frames for automatic stop */ | |
401 | snd_pcm_uframes_t silence_threshold; /* min distance from noise for silence filling */ | |
402 | snd_pcm_uframes_t silence_size; /* silence block size */ | |
403 | snd_pcm_uframes_t boundary; /* pointers wrap point */ | |
1da177e4 LT |
404 | unsigned char reserved[64]; /* reserved for future */ |
405 | }; | |
406 | ||
512bbd6a | 407 | struct snd_pcm_channel_info { |
1da177e4 | 408 | unsigned int channel; |
85efde6f | 409 | __kernel_off_t offset; /* mmap offset */ |
1da177e4 LT |
410 | unsigned int first; /* offset to first sample in bits */ |
411 | unsigned int step; /* samples distance in bits */ | |
412 | }; | |
413 | ||
512bbd6a TI |
414 | struct snd_pcm_status { |
415 | snd_pcm_state_t state; /* stream state */ | |
1da177e4 LT |
416 | struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */ |
417 | struct timespec tstamp; /* reference timestamp */ | |
512bbd6a TI |
418 | snd_pcm_uframes_t appl_ptr; /* appl ptr */ |
419 | snd_pcm_uframes_t hw_ptr; /* hw ptr */ | |
420 | snd_pcm_sframes_t delay; /* current delay in frames */ | |
421 | snd_pcm_uframes_t avail; /* number of frames available */ | |
422 | snd_pcm_uframes_t avail_max; /* max frames available on hw since last status */ | |
423 | snd_pcm_uframes_t overrange; /* count of ADC (capture) overrange detections from last status */ | |
424 | snd_pcm_state_t suspended_state; /* suspended stream state */ | |
1da177e4 LT |
425 | unsigned char reserved[60]; /* must be filled with zero */ |
426 | }; | |
427 | ||
512bbd6a TI |
428 | struct snd_pcm_mmap_status { |
429 | snd_pcm_state_t state; /* RO: state - SNDRV_PCM_STATE_XXXX */ | |
1da177e4 | 430 | int pad1; /* Needed for 64 bit alignment */ |
512bbd6a | 431 | snd_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */ |
1da177e4 | 432 | struct timespec tstamp; /* Timestamp */ |
512bbd6a | 433 | snd_pcm_state_t suspended_state; /* RO: suspended stream state */ |
1da177e4 LT |
434 | }; |
435 | ||
512bbd6a TI |
436 | struct snd_pcm_mmap_control { |
437 | snd_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */ | |
438 | snd_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */ | |
1da177e4 LT |
439 | }; |
440 | ||
441 | #define SNDRV_PCM_SYNC_PTR_HWSYNC (1<<0) /* execute hwsync */ | |
442 | #define SNDRV_PCM_SYNC_PTR_APPL (1<<1) /* get appl_ptr from driver (r/w op) */ | |
443 | #define SNDRV_PCM_SYNC_PTR_AVAIL_MIN (1<<2) /* get avail_min from driver */ | |
444 | ||
512bbd6a | 445 | struct snd_pcm_sync_ptr { |
1da177e4 LT |
446 | unsigned int flags; |
447 | union { | |
512bbd6a | 448 | struct snd_pcm_mmap_status status; |
1da177e4 LT |
449 | unsigned char reserved[64]; |
450 | } s; | |
451 | union { | |
512bbd6a | 452 | struct snd_pcm_mmap_control control; |
1da177e4 LT |
453 | unsigned char reserved[64]; |
454 | } c; | |
455 | }; | |
456 | ||
512bbd6a TI |
457 | struct snd_xferi { |
458 | snd_pcm_sframes_t result; | |
1da177e4 | 459 | void __user *buf; |
512bbd6a | 460 | snd_pcm_uframes_t frames; |
1da177e4 LT |
461 | }; |
462 | ||
512bbd6a TI |
463 | struct snd_xfern { |
464 | snd_pcm_sframes_t result; | |
1da177e4 | 465 | void __user * __user *bufs; |
512bbd6a | 466 | snd_pcm_uframes_t frames; |
1da177e4 LT |
467 | }; |
468 | ||
b751eef1 JK |
469 | enum { |
470 | SNDRV_PCM_TSTAMP_TYPE_GETTIMEOFDAY = 0, /* gettimeofday equivalent */ | |
471 | SNDRV_PCM_TSTAMP_TYPE_MONOTONIC, /* posix_clock_monotonic equivalent */ | |
472 | SNDRV_PCM_TSTAMP_TYPE_LAST = SNDRV_PCM_TSTAMP_TYPE_MONOTONIC, | |
473 | }; | |
474 | ||
78a05b52 TI |
475 | #define SNDRV_PCM_IOCTL_PVERSION _IOR('A', 0x00, int) |
476 | #define SNDRV_PCM_IOCTL_INFO _IOR('A', 0x01, struct snd_pcm_info) | |
477 | #define SNDRV_PCM_IOCTL_TSTAMP _IOW('A', 0x02, int) | |
478 | #define SNDRV_PCM_IOCTL_TTSTAMP _IOW('A', 0x03, int) | |
479 | #define SNDRV_PCM_IOCTL_HW_REFINE _IOWR('A', 0x10, struct snd_pcm_hw_params) | |
480 | #define SNDRV_PCM_IOCTL_HW_PARAMS _IOWR('A', 0x11, struct snd_pcm_hw_params) | |
481 | #define SNDRV_PCM_IOCTL_HW_FREE _IO('A', 0x12) | |
482 | #define SNDRV_PCM_IOCTL_SW_PARAMS _IOWR('A', 0x13, struct snd_pcm_sw_params) | |
483 | #define SNDRV_PCM_IOCTL_STATUS _IOR('A', 0x20, struct snd_pcm_status) | |
484 | #define SNDRV_PCM_IOCTL_DELAY _IOR('A', 0x21, snd_pcm_sframes_t) | |
485 | #define SNDRV_PCM_IOCTL_HWSYNC _IO('A', 0x22) | |
486 | #define SNDRV_PCM_IOCTL_SYNC_PTR _IOWR('A', 0x23, struct snd_pcm_sync_ptr) | |
487 | #define SNDRV_PCM_IOCTL_CHANNEL_INFO _IOR('A', 0x32, struct snd_pcm_channel_info) | |
488 | #define SNDRV_PCM_IOCTL_PREPARE _IO('A', 0x40) | |
489 | #define SNDRV_PCM_IOCTL_RESET _IO('A', 0x41) | |
490 | #define SNDRV_PCM_IOCTL_START _IO('A', 0x42) | |
491 | #define SNDRV_PCM_IOCTL_DROP _IO('A', 0x43) | |
492 | #define SNDRV_PCM_IOCTL_DRAIN _IO('A', 0x44) | |
493 | #define SNDRV_PCM_IOCTL_PAUSE _IOW('A', 0x45, int) | |
494 | #define SNDRV_PCM_IOCTL_REWIND _IOW('A', 0x46, snd_pcm_uframes_t) | |
495 | #define SNDRV_PCM_IOCTL_RESUME _IO('A', 0x47) | |
496 | #define SNDRV_PCM_IOCTL_XRUN _IO('A', 0x48) | |
497 | #define SNDRV_PCM_IOCTL_FORWARD _IOW('A', 0x49, snd_pcm_uframes_t) | |
498 | #define SNDRV_PCM_IOCTL_WRITEI_FRAMES _IOW('A', 0x50, struct snd_xferi) | |
499 | #define SNDRV_PCM_IOCTL_READI_FRAMES _IOR('A', 0x51, struct snd_xferi) | |
500 | #define SNDRV_PCM_IOCTL_WRITEN_FRAMES _IOW('A', 0x52, struct snd_xfern) | |
501 | #define SNDRV_PCM_IOCTL_READN_FRAMES _IOR('A', 0x53, struct snd_xfern) | |
502 | #define SNDRV_PCM_IOCTL_LINK _IOW('A', 0x60, int) | |
503 | #define SNDRV_PCM_IOCTL_UNLINK _IO('A', 0x61) | |
1da177e4 LT |
504 | |
505 | /***************************************************************************** | |
506 | * * | |
507 | * MIDI v1.0 interface * | |
508 | * * | |
509 | *****************************************************************************/ | |
510 | ||
511 | /* | |
512 | * Raw MIDI section - /dev/snd/midi?? | |
513 | */ | |
514 | ||
515 | #define SNDRV_RAWMIDI_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 0) | |
516 | ||
512bbd6a | 517 | enum { |
1da177e4 LT |
518 | SNDRV_RAWMIDI_STREAM_OUTPUT = 0, |
519 | SNDRV_RAWMIDI_STREAM_INPUT, | |
520 | SNDRV_RAWMIDI_STREAM_LAST = SNDRV_RAWMIDI_STREAM_INPUT, | |
521 | }; | |
522 | ||
523 | #define SNDRV_RAWMIDI_INFO_OUTPUT 0x00000001 | |
524 | #define SNDRV_RAWMIDI_INFO_INPUT 0x00000002 | |
525 | #define SNDRV_RAWMIDI_INFO_DUPLEX 0x00000004 | |
526 | ||
512bbd6a | 527 | struct snd_rawmidi_info { |
1da177e4 LT |
528 | unsigned int device; /* RO/WR (control): device number */ |
529 | unsigned int subdevice; /* RO/WR (control): subdevice number */ | |
512bbd6a | 530 | int stream; /* WR: stream */ |
1da177e4 LT |
531 | int card; /* R: card number */ |
532 | unsigned int flags; /* SNDRV_RAWMIDI_INFO_XXXX */ | |
533 | unsigned char id[64]; /* ID (user selectable) */ | |
534 | unsigned char name[80]; /* name of device */ | |
535 | unsigned char subname[32]; /* name of active or selected subdevice */ | |
536 | unsigned int subdevices_count; | |
537 | unsigned int subdevices_avail; | |
538 | unsigned char reserved[64]; /* reserved for future use */ | |
539 | }; | |
540 | ||
512bbd6a TI |
541 | struct snd_rawmidi_params { |
542 | int stream; | |
1da177e4 LT |
543 | size_t buffer_size; /* queue size in bytes */ |
544 | size_t avail_min; /* minimum avail bytes for wakeup */ | |
545 | unsigned int no_active_sensing: 1; /* do not send active sensing byte in close() */ | |
546 | unsigned char reserved[16]; /* reserved for future use */ | |
547 | }; | |
548 | ||
512bbd6a TI |
549 | struct snd_rawmidi_status { |
550 | int stream; | |
1da177e4 LT |
551 | struct timespec tstamp; /* Timestamp */ |
552 | size_t avail; /* available bytes */ | |
553 | size_t xruns; /* count of overruns since last status (in bytes) */ | |
554 | unsigned char reserved[16]; /* reserved for future use */ | |
555 | }; | |
556 | ||
78a05b52 TI |
557 | #define SNDRV_RAWMIDI_IOCTL_PVERSION _IOR('W', 0x00, int) |
558 | #define SNDRV_RAWMIDI_IOCTL_INFO _IOR('W', 0x01, struct snd_rawmidi_info) | |
559 | #define SNDRV_RAWMIDI_IOCTL_PARAMS _IOWR('W', 0x10, struct snd_rawmidi_params) | |
560 | #define SNDRV_RAWMIDI_IOCTL_STATUS _IOWR('W', 0x20, struct snd_rawmidi_status) | |
561 | #define SNDRV_RAWMIDI_IOCTL_DROP _IOW('W', 0x30, int) | |
562 | #define SNDRV_RAWMIDI_IOCTL_DRAIN _IOW('W', 0x31, int) | |
1da177e4 LT |
563 | |
564 | /* | |
565 | * Timer section - /dev/snd/timer | |
566 | */ | |
567 | ||
b30477d5 | 568 | #define SNDRV_TIMER_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 6) |
1da177e4 | 569 | |
512bbd6a | 570 | enum { |
1da177e4 LT |
571 | SNDRV_TIMER_CLASS_NONE = -1, |
572 | SNDRV_TIMER_CLASS_SLAVE = 0, | |
573 | SNDRV_TIMER_CLASS_GLOBAL, | |
574 | SNDRV_TIMER_CLASS_CARD, | |
575 | SNDRV_TIMER_CLASS_PCM, | |
576 | SNDRV_TIMER_CLASS_LAST = SNDRV_TIMER_CLASS_PCM, | |
577 | }; | |
578 | ||
579 | /* slave timer classes */ | |
512bbd6a | 580 | enum { |
1da177e4 LT |
581 | SNDRV_TIMER_SCLASS_NONE = 0, |
582 | SNDRV_TIMER_SCLASS_APPLICATION, | |
583 | SNDRV_TIMER_SCLASS_SEQUENCER, /* alias */ | |
584 | SNDRV_TIMER_SCLASS_OSS_SEQUENCER, /* alias */ | |
585 | SNDRV_TIMER_SCLASS_LAST = SNDRV_TIMER_SCLASS_OSS_SEQUENCER, | |
586 | }; | |
587 | ||
588 | /* global timers (device member) */ | |
589 | #define SNDRV_TIMER_GLOBAL_SYSTEM 0 | |
590 | #define SNDRV_TIMER_GLOBAL_RTC 1 | |
591 | #define SNDRV_TIMER_GLOBAL_HPET 2 | |
bbaf5e97 | 592 | #define SNDRV_TIMER_GLOBAL_HRTIMER 3 |
1da177e4 LT |
593 | |
594 | /* info flags */ | |
595 | #define SNDRV_TIMER_FLG_SLAVE (1<<0) /* cannot be controlled */ | |
596 | ||
512bbd6a | 597 | struct snd_timer_id { |
89485d49 | 598 | int dev_class; |
512bbd6a | 599 | int dev_sclass; |
1da177e4 LT |
600 | int card; |
601 | int device; | |
602 | int subdevice; | |
603 | }; | |
604 | ||
512bbd6a TI |
605 | struct snd_timer_ginfo { |
606 | struct snd_timer_id tid; /* requested timer ID */ | |
1da177e4 LT |
607 | unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ |
608 | int card; /* card number */ | |
609 | unsigned char id[64]; /* timer identification */ | |
610 | unsigned char name[80]; /* timer name */ | |
611 | unsigned long reserved0; /* reserved for future use */ | |
612 | unsigned long resolution; /* average period resolution in ns */ | |
613 | unsigned long resolution_min; /* minimal period resolution in ns */ | |
614 | unsigned long resolution_max; /* maximal period resolution in ns */ | |
615 | unsigned int clients; /* active timer clients */ | |
616 | unsigned char reserved[32]; | |
617 | }; | |
618 | ||
512bbd6a TI |
619 | struct snd_timer_gparams { |
620 | struct snd_timer_id tid; /* requested timer ID */ | |
1da177e4 LT |
621 | unsigned long period_num; /* requested precise period duration (in seconds) - numerator */ |
622 | unsigned long period_den; /* requested precise period duration (in seconds) - denominator */ | |
623 | unsigned char reserved[32]; | |
624 | }; | |
625 | ||
512bbd6a TI |
626 | struct snd_timer_gstatus { |
627 | struct snd_timer_id tid; /* requested timer ID */ | |
1da177e4 LT |
628 | unsigned long resolution; /* current period resolution in ns */ |
629 | unsigned long resolution_num; /* precise current period resolution (in seconds) - numerator */ | |
630 | unsigned long resolution_den; /* precise current period resolution (in seconds) - denominator */ | |
631 | unsigned char reserved[32]; | |
632 | }; | |
633 | ||
512bbd6a TI |
634 | struct snd_timer_select { |
635 | struct snd_timer_id id; /* bind to timer ID */ | |
1da177e4 LT |
636 | unsigned char reserved[32]; /* reserved */ |
637 | }; | |
638 | ||
512bbd6a | 639 | struct snd_timer_info { |
1da177e4 LT |
640 | unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ |
641 | int card; /* card number */ | |
642 | unsigned char id[64]; /* timer identificator */ | |
643 | unsigned char name[80]; /* timer name */ | |
644 | unsigned long reserved0; /* reserved for future use */ | |
645 | unsigned long resolution; /* average period resolution in ns */ | |
646 | unsigned char reserved[64]; /* reserved */ | |
647 | }; | |
648 | ||
649 | #define SNDRV_TIMER_PSFLG_AUTO (1<<0) /* auto start, otherwise one-shot */ | |
650 | #define SNDRV_TIMER_PSFLG_EXCLUSIVE (1<<1) /* exclusive use, precise start/stop/pause/continue */ | |
651 | #define SNDRV_TIMER_PSFLG_EARLY_EVENT (1<<2) /* write early event to the poll queue */ | |
652 | ||
512bbd6a | 653 | struct snd_timer_params { |
1da177e4 LT |
654 | unsigned int flags; /* flags - SNDRV_MIXER_PSFLG_* */ |
655 | unsigned int ticks; /* requested resolution in ticks */ | |
656 | unsigned int queue_size; /* total size of queue (32-1024) */ | |
657 | unsigned int reserved0; /* reserved, was: failure locations */ | |
658 | unsigned int filter; /* event filter (bitmask of SNDRV_TIMER_EVENT_*) */ | |
659 | unsigned char reserved[60]; /* reserved */ | |
660 | }; | |
661 | ||
512bbd6a | 662 | struct snd_timer_status { |
1da177e4 LT |
663 | struct timespec tstamp; /* Timestamp - last update */ |
664 | unsigned int resolution; /* current period resolution in ns */ | |
665 | unsigned int lost; /* counter of master tick lost */ | |
666 | unsigned int overrun; /* count of read queue overruns */ | |
667 | unsigned int queue; /* used queue size */ | |
668 | unsigned char reserved[64]; /* reserved */ | |
669 | }; | |
670 | ||
78a05b52 TI |
671 | #define SNDRV_TIMER_IOCTL_PVERSION _IOR('T', 0x00, int) |
672 | #define SNDRV_TIMER_IOCTL_NEXT_DEVICE _IOWR('T', 0x01, struct snd_timer_id) | |
673 | #define SNDRV_TIMER_IOCTL_TREAD _IOW('T', 0x02, int) | |
674 | #define SNDRV_TIMER_IOCTL_GINFO _IOWR('T', 0x03, struct snd_timer_ginfo) | |
675 | #define SNDRV_TIMER_IOCTL_GPARAMS _IOW('T', 0x04, struct snd_timer_gparams) | |
676 | #define SNDRV_TIMER_IOCTL_GSTATUS _IOWR('T', 0x05, struct snd_timer_gstatus) | |
677 | #define SNDRV_TIMER_IOCTL_SELECT _IOW('T', 0x10, struct snd_timer_select) | |
678 | #define SNDRV_TIMER_IOCTL_INFO _IOR('T', 0x11, struct snd_timer_info) | |
679 | #define SNDRV_TIMER_IOCTL_PARAMS _IOW('T', 0x12, struct snd_timer_params) | |
680 | #define SNDRV_TIMER_IOCTL_STATUS _IOR('T', 0x14, struct snd_timer_status) | |
681 | /* The following four ioctls are changed since 1.0.9 due to confliction */ | |
682 | #define SNDRV_TIMER_IOCTL_START _IO('T', 0xa0) | |
683 | #define SNDRV_TIMER_IOCTL_STOP _IO('T', 0xa1) | |
684 | #define SNDRV_TIMER_IOCTL_CONTINUE _IO('T', 0xa2) | |
685 | #define SNDRV_TIMER_IOCTL_PAUSE _IO('T', 0xa3) | |
1da177e4 | 686 | |
512bbd6a | 687 | struct snd_timer_read { |
1da177e4 LT |
688 | unsigned int resolution; |
689 | unsigned int ticks; | |
690 | }; | |
691 | ||
512bbd6a | 692 | enum { |
1da177e4 LT |
693 | SNDRV_TIMER_EVENT_RESOLUTION = 0, /* val = resolution in ns */ |
694 | SNDRV_TIMER_EVENT_TICK, /* val = ticks */ | |
695 | SNDRV_TIMER_EVENT_START, /* val = resolution in ns */ | |
696 | SNDRV_TIMER_EVENT_STOP, /* val = 0 */ | |
697 | SNDRV_TIMER_EVENT_CONTINUE, /* val = resolution in ns */ | |
698 | SNDRV_TIMER_EVENT_PAUSE, /* val = 0 */ | |
699 | SNDRV_TIMER_EVENT_EARLY, /* val = 0, early event */ | |
a501dfa3 | 700 | SNDRV_TIMER_EVENT_SUSPEND, /* val = 0 */ |
5ca307b2 | 701 | SNDRV_TIMER_EVENT_RESUME, /* val = resolution in ns */ |
1da177e4 LT |
702 | /* master timer events for slave timer instances */ |
703 | SNDRV_TIMER_EVENT_MSTART = SNDRV_TIMER_EVENT_START + 10, | |
704 | SNDRV_TIMER_EVENT_MSTOP = SNDRV_TIMER_EVENT_STOP + 10, | |
705 | SNDRV_TIMER_EVENT_MCONTINUE = SNDRV_TIMER_EVENT_CONTINUE + 10, | |
706 | SNDRV_TIMER_EVENT_MPAUSE = SNDRV_TIMER_EVENT_PAUSE + 10, | |
a501dfa3 JK |
707 | SNDRV_TIMER_EVENT_MSUSPEND = SNDRV_TIMER_EVENT_SUSPEND + 10, |
708 | SNDRV_TIMER_EVENT_MRESUME = SNDRV_TIMER_EVENT_RESUME + 10, | |
1da177e4 LT |
709 | }; |
710 | ||
512bbd6a TI |
711 | struct snd_timer_tread { |
712 | int event; | |
1da177e4 LT |
713 | struct timespec tstamp; |
714 | unsigned int val; | |
715 | }; | |
716 | ||
717 | /**************************************************************************** | |
718 | * * | |
719 | * Section for driver control interface - /dev/snd/control? * | |
720 | * * | |
721 | ****************************************************************************/ | |
722 | ||
8d448162 | 723 | #define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 7) |
1da177e4 | 724 | |
512bbd6a | 725 | struct snd_ctl_card_info { |
1da177e4 LT |
726 | int card; /* card number */ |
727 | int pad; /* reserved for future (was type) */ | |
728 | unsigned char id[16]; /* ID of card (user selectable) */ | |
729 | unsigned char driver[16]; /* Driver name */ | |
730 | unsigned char name[32]; /* Short name of soundcard */ | |
731 | unsigned char longname[80]; /* name + info text about soundcard */ | |
732 | unsigned char reserved_[16]; /* reserved for future (was ID of mixer) */ | |
733 | unsigned char mixername[80]; /* visual mixer identification */ | |
ff33f230 | 734 | unsigned char components[128]; /* card components / fine identification, delimited with one space (AC97 etc..) */ |
1da177e4 LT |
735 | }; |
736 | ||
512bbd6a TI |
737 | typedef int __bitwise snd_ctl_elem_type_t; |
738 | #define SNDRV_CTL_ELEM_TYPE_NONE ((__force snd_ctl_elem_type_t) 0) /* invalid */ | |
739 | #define SNDRV_CTL_ELEM_TYPE_BOOLEAN ((__force snd_ctl_elem_type_t) 1) /* boolean type */ | |
740 | #define SNDRV_CTL_ELEM_TYPE_INTEGER ((__force snd_ctl_elem_type_t) 2) /* integer type */ | |
741 | #define SNDRV_CTL_ELEM_TYPE_ENUMERATED ((__force snd_ctl_elem_type_t) 3) /* enumerated type */ | |
742 | #define SNDRV_CTL_ELEM_TYPE_BYTES ((__force snd_ctl_elem_type_t) 4) /* byte array */ | |
743 | #define SNDRV_CTL_ELEM_TYPE_IEC958 ((__force snd_ctl_elem_type_t) 5) /* IEC958 (S/PDIF) setup */ | |
744 | #define SNDRV_CTL_ELEM_TYPE_INTEGER64 ((__force snd_ctl_elem_type_t) 6) /* 64-bit integer type */ | |
745 | #define SNDRV_CTL_ELEM_TYPE_LAST SNDRV_CTL_ELEM_TYPE_INTEGER64 | |
746 | ||
747 | typedef int __bitwise snd_ctl_elem_iface_t; | |
748 | #define SNDRV_CTL_ELEM_IFACE_CARD ((__force snd_ctl_elem_iface_t) 0) /* global control */ | |
749 | #define SNDRV_CTL_ELEM_IFACE_HWDEP ((__force snd_ctl_elem_iface_t) 1) /* hardware dependent device */ | |
750 | #define SNDRV_CTL_ELEM_IFACE_MIXER ((__force snd_ctl_elem_iface_t) 2) /* virtual mixer device */ | |
751 | #define SNDRV_CTL_ELEM_IFACE_PCM ((__force snd_ctl_elem_iface_t) 3) /* PCM device */ | |
752 | #define SNDRV_CTL_ELEM_IFACE_RAWMIDI ((__force snd_ctl_elem_iface_t) 4) /* RawMidi device */ | |
753 | #define SNDRV_CTL_ELEM_IFACE_TIMER ((__force snd_ctl_elem_iface_t) 5) /* timer device */ | |
754 | #define SNDRV_CTL_ELEM_IFACE_SEQUENCER ((__force snd_ctl_elem_iface_t) 6) /* sequencer client */ | |
755 | #define SNDRV_CTL_ELEM_IFACE_LAST SNDRV_CTL_ELEM_IFACE_SEQUENCER | |
1da177e4 LT |
756 | |
757 | #define SNDRV_CTL_ELEM_ACCESS_READ (1<<0) | |
758 | #define SNDRV_CTL_ELEM_ACCESS_WRITE (1<<1) | |
759 | #define SNDRV_CTL_ELEM_ACCESS_READWRITE (SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE) | |
760 | #define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1<<2) /* control value may be changed without a notification */ | |
8aa9b586 JK |
761 | #define SNDRV_CTL_ELEM_ACCESS_TIMESTAMP (1<<3) /* when was control changed */ |
762 | #define SNDRV_CTL_ELEM_ACCESS_TLV_READ (1<<4) /* TLV read is possible */ | |
763 | #define SNDRV_CTL_ELEM_ACCESS_TLV_WRITE (1<<5) /* TLV write is possible */ | |
764 | #define SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE (SNDRV_CTL_ELEM_ACCESS_TLV_READ|SNDRV_CTL_ELEM_ACCESS_TLV_WRITE) | |
765 | #define SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND (1<<6) /* TLV command is possible */ | |
1da177e4 LT |
766 | #define SNDRV_CTL_ELEM_ACCESS_INACTIVE (1<<8) /* control does actually nothing, but may be updated */ |
767 | #define SNDRV_CTL_ELEM_ACCESS_LOCK (1<<9) /* write lock */ | |
768 | #define SNDRV_CTL_ELEM_ACCESS_OWNER (1<<10) /* write lock owner */ | |
8aa9b586 | 769 | #define SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK (1<<28) /* kernel use a TLV callback */ |
1da177e4 | 770 | #define SNDRV_CTL_ELEM_ACCESS_USER (1<<29) /* user space element */ |
8ace4f3c | 771 | /* bits 30 and 31 are obsoleted (for indirect access) */ |
1da177e4 LT |
772 | |
773 | /* for further details see the ACPI and PCI power management specification */ | |
774 | #define SNDRV_CTL_POWER_D0 0x0000 /* full On */ | |
775 | #define SNDRV_CTL_POWER_D1 0x0100 /* partial On */ | |
776 | #define SNDRV_CTL_POWER_D2 0x0200 /* partial On */ | |
777 | #define SNDRV_CTL_POWER_D3 0x0300 /* Off */ | |
778 | #define SNDRV_CTL_POWER_D3hot (SNDRV_CTL_POWER_D3|0x0000) /* Off, with power */ | |
779 | #define SNDRV_CTL_POWER_D3cold (SNDRV_CTL_POWER_D3|0x0001) /* Off, without power */ | |
780 | ||
512bbd6a | 781 | struct snd_ctl_elem_id { |
1da177e4 | 782 | unsigned int numid; /* numeric identifier, zero = invalid */ |
512bbd6a | 783 | snd_ctl_elem_iface_t iface; /* interface identifier */ |
1da177e4 LT |
784 | unsigned int device; /* device/client number */ |
785 | unsigned int subdevice; /* subdevice (substream) number */ | |
89485d49 | 786 | unsigned char name[44]; /* ASCII name of item */ |
1da177e4 LT |
787 | unsigned int index; /* index of item */ |
788 | }; | |
789 | ||
512bbd6a | 790 | struct snd_ctl_elem_list { |
1da177e4 LT |
791 | unsigned int offset; /* W: first element ID to get */ |
792 | unsigned int space; /* W: count of element IDs to get */ | |
793 | unsigned int used; /* R: count of element IDs set */ | |
794 | unsigned int count; /* R: count of all elements */ | |
512bbd6a | 795 | struct snd_ctl_elem_id __user *pids; /* R: IDs */ |
1da177e4 LT |
796 | unsigned char reserved[50]; |
797 | }; | |
798 | ||
512bbd6a TI |
799 | struct snd_ctl_elem_info { |
800 | struct snd_ctl_elem_id id; /* W: element ID */ | |
801 | snd_ctl_elem_type_t type; /* R: value type - SNDRV_CTL_ELEM_TYPE_* */ | |
1da177e4 LT |
802 | unsigned int access; /* R: value access (bitmask) - SNDRV_CTL_ELEM_ACCESS_* */ |
803 | unsigned int count; /* count of values */ | |
85efde6f | 804 | __kernel_pid_t owner; /* owner's PID of this control */ |
1da177e4 LT |
805 | union { |
806 | struct { | |
807 | long min; /* R: minimum value */ | |
808 | long max; /* R: maximum value */ | |
809 | long step; /* R: step (0 variable) */ | |
810 | } integer; | |
811 | struct { | |
812 | long long min; /* R: minimum value */ | |
813 | long long max; /* R: maximum value */ | |
814 | long long step; /* R: step (0 variable) */ | |
815 | } integer64; | |
816 | struct { | |
817 | unsigned int items; /* R: number of items */ | |
818 | unsigned int item; /* W: item number */ | |
819 | char name[64]; /* R: value name */ | |
8d448162 CL |
820 | __u64 names_ptr; /* W: names list (ELEM_ADD only) */ |
821 | unsigned int names_length; | |
1da177e4 LT |
822 | } enumerated; |
823 | unsigned char reserved[128]; | |
824 | } value; | |
825 | union { | |
826 | unsigned short d[4]; /* dimensions */ | |
8ace4f3c | 827 | unsigned short *d_ptr; /* indirect - obsoleted */ |
1da177e4 LT |
828 | } dimen; |
829 | unsigned char reserved[64-4*sizeof(unsigned short)]; | |
830 | }; | |
831 | ||
512bbd6a TI |
832 | struct snd_ctl_elem_value { |
833 | struct snd_ctl_elem_id id; /* W: element ID */ | |
8ace4f3c | 834 | unsigned int indirect: 1; /* W: indirect access - obsoleted */ |
89485d49 | 835 | union { |
1da177e4 LT |
836 | union { |
837 | long value[128]; | |
8ace4f3c | 838 | long *value_ptr; /* obsoleted */ |
1da177e4 LT |
839 | } integer; |
840 | union { | |
841 | long long value[64]; | |
8ace4f3c | 842 | long long *value_ptr; /* obsoleted */ |
1da177e4 LT |
843 | } integer64; |
844 | union { | |
845 | unsigned int item[128]; | |
8ace4f3c | 846 | unsigned int *item_ptr; /* obsoleted */ |
1da177e4 LT |
847 | } enumerated; |
848 | union { | |
849 | unsigned char data[512]; | |
8ace4f3c | 850 | unsigned char *data_ptr; /* obsoleted */ |
1da177e4 | 851 | } bytes; |
512bbd6a | 852 | struct snd_aes_iec958 iec958; |
89485d49 | 853 | } value; /* RO */ |
1da177e4 | 854 | struct timespec tstamp; |
89485d49 | 855 | unsigned char reserved[128-sizeof(struct timespec)]; |
1da177e4 LT |
856 | }; |
857 | ||
42750b04 | 858 | struct snd_ctl_tlv { |
89485d49 DM |
859 | unsigned int numid; /* control element numeric identification */ |
860 | unsigned int length; /* in bytes aligned to 4 */ | |
861 | unsigned int tlv[0]; /* first TLV */ | |
42750b04 JK |
862 | }; |
863 | ||
78a05b52 TI |
864 | #define SNDRV_CTL_IOCTL_PVERSION _IOR('U', 0x00, int) |
865 | #define SNDRV_CTL_IOCTL_CARD_INFO _IOR('U', 0x01, struct snd_ctl_card_info) | |
866 | #define SNDRV_CTL_IOCTL_ELEM_LIST _IOWR('U', 0x10, struct snd_ctl_elem_list) | |
867 | #define SNDRV_CTL_IOCTL_ELEM_INFO _IOWR('U', 0x11, struct snd_ctl_elem_info) | |
868 | #define SNDRV_CTL_IOCTL_ELEM_READ _IOWR('U', 0x12, struct snd_ctl_elem_value) | |
869 | #define SNDRV_CTL_IOCTL_ELEM_WRITE _IOWR('U', 0x13, struct snd_ctl_elem_value) | |
870 | #define SNDRV_CTL_IOCTL_ELEM_LOCK _IOW('U', 0x14, struct snd_ctl_elem_id) | |
871 | #define SNDRV_CTL_IOCTL_ELEM_UNLOCK _IOW('U', 0x15, struct snd_ctl_elem_id) | |
872 | #define SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS _IOWR('U', 0x16, int) | |
873 | #define SNDRV_CTL_IOCTL_ELEM_ADD _IOWR('U', 0x17, struct snd_ctl_elem_info) | |
874 | #define SNDRV_CTL_IOCTL_ELEM_REPLACE _IOWR('U', 0x18, struct snd_ctl_elem_info) | |
875 | #define SNDRV_CTL_IOCTL_ELEM_REMOVE _IOWR('U', 0x19, struct snd_ctl_elem_id) | |
876 | #define SNDRV_CTL_IOCTL_TLV_READ _IOWR('U', 0x1a, struct snd_ctl_tlv) | |
877 | #define SNDRV_CTL_IOCTL_TLV_WRITE _IOWR('U', 0x1b, struct snd_ctl_tlv) | |
878 | #define SNDRV_CTL_IOCTL_TLV_COMMAND _IOWR('U', 0x1c, struct snd_ctl_tlv) | |
879 | #define SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE _IOWR('U', 0x20, int) | |
880 | #define SNDRV_CTL_IOCTL_HWDEP_INFO _IOR('U', 0x21, struct snd_hwdep_info) | |
881 | #define SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE _IOR('U', 0x30, int) | |
882 | #define SNDRV_CTL_IOCTL_PCM_INFO _IOWR('U', 0x31, struct snd_pcm_info) | |
883 | #define SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE _IOW('U', 0x32, int) | |
884 | #define SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE _IOWR('U', 0x40, int) | |
885 | #define SNDRV_CTL_IOCTL_RAWMIDI_INFO _IOWR('U', 0x41, struct snd_rawmidi_info) | |
886 | #define SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE _IOW('U', 0x42, int) | |
887 | #define SNDRV_CTL_IOCTL_POWER _IOWR('U', 0xd0, int) | |
888 | #define SNDRV_CTL_IOCTL_POWER_STATE _IOR('U', 0xd1, int) | |
1da177e4 LT |
889 | |
890 | /* | |
891 | * Read interface. | |
892 | */ | |
893 | ||
894 | enum sndrv_ctl_event_type { | |
895 | SNDRV_CTL_EVENT_ELEM = 0, | |
896 | SNDRV_CTL_EVENT_LAST = SNDRV_CTL_EVENT_ELEM, | |
897 | }; | |
898 | ||
899 | #define SNDRV_CTL_EVENT_MASK_VALUE (1<<0) /* element value was changed */ | |
900 | #define SNDRV_CTL_EVENT_MASK_INFO (1<<1) /* element info was changed */ | |
901 | #define SNDRV_CTL_EVENT_MASK_ADD (1<<2) /* element was added */ | |
8aa9b586 | 902 | #define SNDRV_CTL_EVENT_MASK_TLV (1<<3) /* element TLV tree was changed */ |
1da177e4 LT |
903 | #define SNDRV_CTL_EVENT_MASK_REMOVE (~0U) /* element was removed */ |
904 | ||
512bbd6a TI |
905 | struct snd_ctl_event { |
906 | int type; /* event type - SNDRV_CTL_EVENT_* */ | |
1da177e4 LT |
907 | union { |
908 | struct { | |
909 | unsigned int mask; | |
512bbd6a | 910 | struct snd_ctl_elem_id id; |
1da177e4 | 911 | } elem; |
89485d49 DM |
912 | unsigned char data8[60]; |
913 | } data; | |
1da177e4 LT |
914 | }; |
915 | ||
916 | /* | |
917 | * Control names | |
918 | */ | |
919 | ||
920 | #define SNDRV_CTL_NAME_NONE "" | |
921 | #define SNDRV_CTL_NAME_PLAYBACK "Playback " | |
922 | #define SNDRV_CTL_NAME_CAPTURE "Capture " | |
923 | ||
924 | #define SNDRV_CTL_NAME_IEC958_NONE "" | |
925 | #define SNDRV_CTL_NAME_IEC958_SWITCH "Switch" | |
926 | #define SNDRV_CTL_NAME_IEC958_VOLUME "Volume" | |
927 | #define SNDRV_CTL_NAME_IEC958_DEFAULT "Default" | |
928 | #define SNDRV_CTL_NAME_IEC958_MASK "Mask" | |
929 | #define SNDRV_CTL_NAME_IEC958_CON_MASK "Con Mask" | |
930 | #define SNDRV_CTL_NAME_IEC958_PRO_MASK "Pro Mask" | |
931 | #define SNDRV_CTL_NAME_IEC958_PCM_STREAM "PCM Stream" | |
932 | #define SNDRV_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SNDRV_CTL_NAME_##direction SNDRV_CTL_NAME_IEC958_##what | |
933 | ||
1da177e4 | 934 | #endif /* __SOUND_ASOUND_H */ |