1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /*
3 * uapi/sound/asoc.h -- ALSA SoC Firmware Controls and DAPM
4 *
5 * Copyright (C) 2012 Texas Instruments Inc.
6 * Copyright (C) 2015 Intel Corporation.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 *
12 * Simple file API to load FW that includes mixers, coefficients, DAPM graphs,
13 * algorithms, equalisers, DAIs, widgets etc.
14 */
15
16 #ifndef __LINUX_UAPI_SND_ASOC_H
17 #define __LINUX_UAPI_SND_ASOC_H
18
19 #include <linux/types.h>
20 #include <sound/asound.h>
21
22 /*
23 * Maximum number of channels topology kcontrol can represent.
24 */
25 #define SND_SOC_TPLG_MAX_CHAN 8
26
27 /*
28 * Maximum number of PCM formats capability
29 */
30 #define SND_SOC_TPLG_MAX_FORMATS 16
31
32 /*
33 * Maximum number of PCM stream configs
34 */
35 #define SND_SOC_TPLG_STREAM_CONFIG_MAX 8
36
37 /*
38 * Maximum number of physical link's hardware configs
39 */
40 #define SND_SOC_TPLG_HW_CONFIG_MAX 8
41
42 /* individual kcontrol info types - can be mixed with other types */
43 #define SND_SOC_TPLG_CTL_VOLSW 1
44 #define SND_SOC_TPLG_CTL_VOLSW_SX 2
45 #define SND_SOC_TPLG_CTL_VOLSW_XR_SX 3
46 #define SND_SOC_TPLG_CTL_ENUM 4
47 #define SND_SOC_TPLG_CTL_BYTES 5
48 #define SND_SOC_TPLG_CTL_ENUM_VALUE 6
49 #define SND_SOC_TPLG_CTL_RANGE 7
50 #define SND_SOC_TPLG_CTL_STROBE 8
51
52
53 /* individual widget kcontrol info types - can be mixed with other types */
54 #define SND_SOC_TPLG_DAPM_CTL_VOLSW 64
55 #define SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE 65
56 #define SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT 66
57 #define SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE 67
58 #define SND_SOC_TPLG_DAPM_CTL_PIN 68
59
60 /* DAPM widget types - add new items to the end */
61 #define SND_SOC_TPLG_DAPM_INPUT 0
62 #define SND_SOC_TPLG_DAPM_OUTPUT 1
63 #define SND_SOC_TPLG_DAPM_MUX 2
64 #define SND_SOC_TPLG_DAPM_MIXER 3
65 #define SND_SOC_TPLG_DAPM_PGA 4
66 #define SND_SOC_TPLG_DAPM_OUT_DRV 5
67 #define SND_SOC_TPLG_DAPM_ADC 6
68 #define SND_SOC_TPLG_DAPM_DAC 7
69 #define SND_SOC_TPLG_DAPM_SWITCH 8
70 #define SND_SOC_TPLG_DAPM_PRE 9
71 #define SND_SOC_TPLG_DAPM_POST 10
72 #define SND_SOC_TPLG_DAPM_AIF_IN 11
73 #define SND_SOC_TPLG_DAPM_AIF_OUT 12
74 #define SND_SOC_TPLG_DAPM_DAI_IN 13
75 #define SND_SOC_TPLG_DAPM_DAI_OUT 14
76 #define SND_SOC_TPLG_DAPM_DAI_LINK 15
77 #define SND_SOC_TPLG_DAPM_BUFFER 16
78 #define SND_SOC_TPLG_DAPM_SCHEDULER 17
79 #define SND_SOC_TPLG_DAPM_EFFECT 18
80 #define SND_SOC_TPLG_DAPM_SIGGEN 19
81 #define SND_SOC_TPLG_DAPM_SRC 20
82 #define SND_SOC_TPLG_DAPM_ASRC 21
83 #define SND_SOC_TPLG_DAPM_ENCODER 22
84 #define SND_SOC_TPLG_DAPM_DECODER 23
85 #define SND_SOC_TPLG_DAPM_LAST SND_SOC_TPLG_DAPM_DECODER
86
87 /* Header magic number and string sizes */
88 #define SND_SOC_TPLG_MAGIC 0x41536F43 /* ASoC */
89
90 /* string sizes */
91 #define SND_SOC_TPLG_NUM_TEXTS 16
92
93 /* ABI version */
94 #define SND_SOC_TPLG_ABI_VERSION 0x5 /* current version */
95 #define SND_SOC_TPLG_ABI_VERSION_MIN 0x4 /* oldest version supported */
96
97 /* Max size of TLV data */
98 #define SND_SOC_TPLG_TLV_SIZE 32
99
100 /*
101 * File and Block header data types.
102 * Add new generic and vendor types to end of list.
103 * Generic types are handled by the core whilst vendors types are passed
104 * to the component drivers for handling.
105 */
106 #define SND_SOC_TPLG_TYPE_MIXER 1
107 #define SND_SOC_TPLG_TYPE_BYTES 2
108 #define SND_SOC_TPLG_TYPE_ENUM 3
109 #define SND_SOC_TPLG_TYPE_DAPM_GRAPH 4
110 #define SND_SOC_TPLG_TYPE_DAPM_WIDGET 5
111 #define SND_SOC_TPLG_TYPE_DAI_LINK 6
112 #define SND_SOC_TPLG_TYPE_PCM 7
113 #define SND_SOC_TPLG_TYPE_MANIFEST 8
114 #define SND_SOC_TPLG_TYPE_CODEC_LINK 9
115 #define SND_SOC_TPLG_TYPE_BACKEND_LINK 10
116 #define SND_SOC_TPLG_TYPE_PDATA 11
117 #define SND_SOC_TPLG_TYPE_DAI 12
118 #define SND_SOC_TPLG_TYPE_MAX SND_SOC_TPLG_TYPE_DAI
119
120 /* vendor block IDs - please add new vendor types to end */
121 #define SND_SOC_TPLG_TYPE_VENDOR_FW 1000
122 #define SND_SOC_TPLG_TYPE_VENDOR_CONFIG 1001
123 #define SND_SOC_TPLG_TYPE_VENDOR_COEFF 1002
124 #define SND_SOC_TPLG_TYPEVENDOR_CODEC 1003
125
126 #define SND_SOC_TPLG_STREAM_PLAYBACK 0
127 #define SND_SOC_TPLG_STREAM_CAPTURE 1
128
129 /* vendor tuple types */
130 #define SND_SOC_TPLG_TUPLE_TYPE_UUID 0
131 #define SND_SOC_TPLG_TUPLE_TYPE_STRING 1
132 #define SND_SOC_TPLG_TUPLE_TYPE_BOOL 2
133 #define SND_SOC_TPLG_TUPLE_TYPE_BYTE 3
134 #define SND_SOC_TPLG_TUPLE_TYPE_WORD 4
135 #define SND_SOC_TPLG_TUPLE_TYPE_SHORT 5
136
137 /* DAI flags */
138 #define SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES (1 << 0)
139 #define SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS (1 << 1)
140 #define SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS (1 << 2)
141
142 /* DAI clock gating */
143 #define SND_SOC_TPLG_DAI_CLK_GATE_UNDEFINED 0
144 #define SND_SOC_TPLG_DAI_CLK_GATE_GATED 1
145 #define SND_SOC_TPLG_DAI_CLK_GATE_CONT 2
146
147 /* DAI mclk_direction */
148 #define SND_SOC_TPLG_MCLK_CO 0 /* for codec, mclk is output */
149 #define SND_SOC_TPLG_MCLK_CI 1 /* for codec, mclk is input */
150
151 /* DAI physical PCM data formats.
152 * Add new formats to the end of the list.
153 */
154 #define SND_SOC_DAI_FORMAT_I2S 1 /* I2S mode */
155 #define SND_SOC_DAI_FORMAT_RIGHT_J 2 /* Right Justified mode */
156 #define SND_SOC_DAI_FORMAT_LEFT_J 3 /* Left Justified mode */
157 #define SND_SOC_DAI_FORMAT_DSP_A 4 /* L data MSB after FRM LRC */
158 #define SND_SOC_DAI_FORMAT_DSP_B 5 /* L data MSB during FRM LRC */
159 #define SND_SOC_DAI_FORMAT_AC97 6 /* AC97 */
160 #define SND_SOC_DAI_FORMAT_PDM 7 /* Pulse density modulation */
161
162 /* left and right justified also known as MSB and LSB respectively */
163 #define SND_SOC_DAI_FORMAT_MSB SND_SOC_DAI_FORMAT_LEFT_J
164 #define SND_SOC_DAI_FORMAT_LSB SND_SOC_DAI_FORMAT_RIGHT_J
165
166 /* DAI link flags */
167 #define SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES (1 << 0)
168 #define SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS (1 << 1)
169 #define SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS (1 << 2)
170 #define SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP (1 << 3)
171
172 /* DAI topology BCLK parameter
173 * For the backwards capability, by default codec is bclk master
174 */
175 #define SND_SOC_TPLG_BCLK_CM 0 /* codec is bclk master */
176 #define SND_SOC_TPLG_BCLK_CS 1 /* codec is bclk slave */
177
178 /* DAI topology FSYNC parameter
179 * For the backwards capability, by default codec is fsync master
180 */
181 #define SND_SOC_TPLG_FSYNC_CM 0 /* codec is fsync master */
182 #define SND_SOC_TPLG_FSYNC_CS 1 /* codec is fsync slave */
183
184 /*
185 * Block Header.
186 * This header precedes all object and object arrays below.
187 */
188 struct snd_soc_tplg_hdr {
189 __le32 magic; /* magic number */
190 __le32 abi; /* ABI version */
191 __le32 version; /* optional vendor specific version details */
192 __le32 type; /* SND_SOC_TPLG_TYPE_ */
193 __le32 size; /* size of this structure */
194 __le32 vendor_type; /* optional vendor specific type info */
195 __le32 payload_size; /* data bytes, excluding this header */
196 __le32 index; /* identifier for block */
197 __le32 count; /* number of elements in block */
198 } __attribute__((packed));
199
200 /* vendor tuple for uuid */
201 struct snd_soc_tplg_vendor_uuid_elem {
202 __le32 token;
203 char uuid[16];
204 } __attribute__((packed));
205
206 /* vendor tuple for a bool/byte/short/word value */
207 struct snd_soc_tplg_vendor_value_elem {
208 __le32 token;
209 __le32 value;
210 } __attribute__((packed));
211
212 /* vendor tuple for string */
213 struct snd_soc_tplg_vendor_string_elem {
214 __le32 token;
215 char string[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
216 } __attribute__((packed));
217
218 struct snd_soc_tplg_vendor_array {
219 __le32 size; /* size in bytes of the array, including all elements */
220 __le32 type; /* SND_SOC_TPLG_TUPLE_TYPE_ */
221 __le32 num_elems; /* number of elements in array */
222 union {
223 struct snd_soc_tplg_vendor_uuid_elem uuid[0];
224 struct snd_soc_tplg_vendor_value_elem value[0];
225 struct snd_soc_tplg_vendor_string_elem string[0];
226 };
227 } __attribute__((packed));
228
229 /*
230 * Private data.
231 * All topology objects may have private data that can be used by the driver or
232 * firmware. Core will ignore this data.
233 */
234 struct snd_soc_tplg_private {
235 __le32 size; /* in bytes of private data */
236 union {
237 char data[0];
238 struct snd_soc_tplg_vendor_array array[0];
239 };
240 } __attribute__((packed));
241
242 /*
243 * Kcontrol TLV data.
244 */
245 struct snd_soc_tplg_tlv_dbscale {
246 __le32 min;
247 __le32 step;
248 __le32 mute;
249 } __attribute__((packed));
250
251 struct snd_soc_tplg_ctl_tlv {
252 __le32 size; /* in bytes of this structure */
253 __le32 type; /* SNDRV_CTL_TLVT_*, type of TLV */
254 union {
255 __le32 data[SND_SOC_TPLG_TLV_SIZE];
256 struct snd_soc_tplg_tlv_dbscale scale;
257 };
258 } __attribute__((packed));
259
260 /*
261 * Kcontrol channel data
262 */
263 struct snd_soc_tplg_channel {
264 __le32 size; /* in bytes of this structure */
265 __le32 reg;
266 __le32 shift;
267 __le32 id; /* ID maps to Left, Right, LFE etc */
268 } __attribute__((packed));
269
270 /*
271 * Genericl Operations IDs, for binding Kcontrol or Bytes ext ops
272 * Kcontrol ops need get/put/info.
273 * Bytes ext ops need get/put.
274 */
275 struct snd_soc_tplg_io_ops {
276 __le32 get;
277 __le32 put;
278 __le32 info;
279 } __attribute__((packed));
280
281 /*
282 * kcontrol header
283 */
284 struct snd_soc_tplg_ctl_hdr {
285 __le32 size; /* in bytes of this structure */
286 __le32 type;
287 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
288 __le32 access;
289 struct snd_soc_tplg_io_ops ops;
290 struct snd_soc_tplg_ctl_tlv tlv;
291 } __attribute__((packed));
292
293 /*
294 * Stream Capabilities
295 */
296 struct snd_soc_tplg_stream_caps {
297 __le32 size; /* in bytes of this structure */
298 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
299 __le64 formats; /* supported formats SNDRV_PCM_FMTBIT_* */
300 __le32 rates; /* supported rates SNDRV_PCM_RATE_* */
301 __le32 rate_min; /* min rate */
302 __le32 rate_max; /* max rate */
303 __le32 channels_min; /* min channels */
304 __le32 channels_max; /* max channels */
305 __le32 periods_min; /* min number of periods */
306 __le32 periods_max; /* max number of periods */
307 __le32 period_size_min; /* min period size bytes */
308 __le32 period_size_max; /* max period size bytes */
309 __le32 buffer_size_min; /* min buffer size bytes */
310 __le32 buffer_size_max; /* max buffer size bytes */
311 __le32 sig_bits; /* number of bits of content */
312 } __attribute__((packed));
313
314 /*
315 * FE or BE Stream configuration supported by SW/FW
316 */
317 struct snd_soc_tplg_stream {
318 __le32 size; /* in bytes of this structure */
319 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* Name of the stream */
320 __le64 format; /* SNDRV_PCM_FMTBIT_* */
321 __le32 rate; /* SNDRV_PCM_RATE_* */
322 __le32 period_bytes; /* size of period in bytes */
323 __le32 buffer_bytes; /* size of buffer in bytes */
324 __le32 channels; /* channels */
325 } __attribute__((packed));
326
327
328 /*
329 * Describes a physical link's runtime supported hardware config,
330 * i.e. hardware audio formats.
331 */
332 struct snd_soc_tplg_hw_config {
333 __le32 size; /* in bytes of this structure */
334 __le32 id; /* unique ID - - used to match */
335 __le32 fmt; /* SND_SOC_DAI_FORMAT_ format value */
336 __u8 clock_gated; /* SND_SOC_TPLG_DAI_CLK_GATE_ value */
337 __u8 invert_bclk; /* 1 for inverted BCLK, 0 for normal */
338 __u8 invert_fsync; /* 1 for inverted frame clock, 0 for normal */
339 __u8 bclk_master; /* SND_SOC_TPLG_BCLK_ value */
340 __u8 fsync_master; /* SND_SOC_TPLG_FSYNC_ value */
341 __u8 mclk_direction; /* SND_SOC_TPLG_MCLK_ value */
342 __le16 reserved; /* for 32bit alignment */
343 __le32 mclk_rate; /* MCLK or SYSCLK freqency in Hz */
344 __le32 bclk_rate; /* BCLK freqency in Hz */
345 __le32 fsync_rate; /* frame clock in Hz */
346 __le32 tdm_slots; /* number of TDM slots in use */
347 __le32 tdm_slot_width; /* width in bits for each slot */
348 __le32 tx_slots; /* bit mask for active Tx slots */
349 __le32 rx_slots; /* bit mask for active Rx slots */
350 __le32 tx_channels; /* number of Tx channels */
351 __le32 tx_chanmap[SND_SOC_TPLG_MAX_CHAN]; /* array of slot number */
352 __le32 rx_channels; /* number of Rx channels */
353 __le32 rx_chanmap[SND_SOC_TPLG_MAX_CHAN]; /* array of slot number */
354 } __attribute__((packed));
355
356 /*
357 * Manifest. List totals for each payload type. Not used in parsing, but will
358 * be passed to the component driver before any other objects in order for any
359 * global component resource allocations.
360 *
361 * File block representation for manifest :-
362 * +-----------------------------------+----+
363 * | struct snd_soc_tplg_hdr | 1 |
364 * +-----------------------------------+----+
365 * | struct snd_soc_tplg_manifest | 1 |
366 * +-----------------------------------+----+
367 */
368 struct snd_soc_tplg_manifest {
369 __le32 size; /* in bytes of this structure */
370 __le32 control_elems; /* number of control elements */
371 __le32 widget_elems; /* number of widget elements */
372 __le32 graph_elems; /* number of graph elements */
373 __le32 pcm_elems; /* number of PCM elements */
374 __le32 dai_link_elems; /* number of DAI link elements */
375 __le32 dai_elems; /* number of physical DAI elements */
376 __le32 reserved[20]; /* reserved for new ABI element types */
377 struct snd_soc_tplg_private priv;
378 } __attribute__((packed));
379
380 /*
381 * Mixer kcontrol.
382 *
383 * File block representation for mixer kcontrol :-
384 * +-----------------------------------+----+
385 * | struct snd_soc_tplg_hdr | 1 |
386 * +-----------------------------------+----+
387 * | struct snd_soc_tplg_mixer_control | N |
388 * +-----------------------------------+----+
389 */
390 struct snd_soc_tplg_mixer_control {
391 struct snd_soc_tplg_ctl_hdr hdr;
392 __le32 size; /* in bytes of this structure */
393 __le32 min;
394 __le32 max;
395 __le32 platform_max;
396 __le32 invert;
397 __le32 num_channels;
398 struct snd_soc_tplg_channel channel[SND_SOC_TPLG_MAX_CHAN];
399 struct snd_soc_tplg_private priv;
400 } __attribute__((packed));
401
402 /*
403 * Enumerated kcontrol
404 *
405 * File block representation for enum kcontrol :-
406 * +-----------------------------------+----+
407 * | struct snd_soc_tplg_hdr | 1 |
408 * +-----------------------------------+----+
409 * | struct snd_soc_tplg_enum_control | N |
410 * +-----------------------------------+----+
411 */
412 struct snd_soc_tplg_enum_control {
413 struct snd_soc_tplg_ctl_hdr hdr;
414 __le32 size; /* in bytes of this structure */
415 __le32 num_channels;
416 struct snd_soc_tplg_channel channel[SND_SOC_TPLG_MAX_CHAN];
417 __le32 items;
418 __le32 mask;
419 __le32 count;
420 char texts[SND_SOC_TPLG_NUM_TEXTS][SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
421 __le32 values[SND_SOC_TPLG_NUM_TEXTS * SNDRV_CTL_ELEM_ID_NAME_MAXLEN / 4];
422 struct snd_soc_tplg_private priv;
423 } __attribute__((packed));
424
425 /*
426 * Bytes kcontrol
427 *
428 * File block representation for bytes kcontrol :-
429 * +-----------------------------------+----+
430 * | struct snd_soc_tplg_hdr | 1 |
431 * +-----------------------------------+----+
432 * | struct snd_soc_tplg_bytes_control | N |
433 * +-----------------------------------+----+
434 */
435 struct snd_soc_tplg_bytes_control {
436 struct snd_soc_tplg_ctl_hdr hdr;
437 __le32 size; /* in bytes of this structure */
438 __le32 max;
439 __le32 mask;
440 __le32 base;
441 __le32 num_regs;
442 struct snd_soc_tplg_io_ops ext_ops;
443 struct snd_soc_tplg_private priv;
444 } __attribute__((packed));
445
446 /*
447 * DAPM Graph Element
448 *
449 * File block representation for DAPM graph elements :-
450 * +-------------------------------------+----+
451 * | struct snd_soc_tplg_hdr | 1 |
452 * +-------------------------------------+----+
453 * | struct snd_soc_tplg_dapm_graph_elem | N |
454 * +-------------------------------------+----+
455 */
456 struct snd_soc_tplg_dapm_graph_elem {
457 char sink[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
458 char control[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
459 char source[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
460 } __attribute__((packed));
461
462 /*
463 * DAPM Widget.
464 *
465 * File block representation for DAPM widget :-
466 * +-------------------------------------+-----+
467 * | struct snd_soc_tplg_hdr | 1 |
468 * +-------------------------------------+-----+
469 * | struct snd_soc_tplg_dapm_widget | N |
470 * +-------------------------------------+-----+
471 * | struct snd_soc_tplg_enum_control | 0|1 |
472 * | struct snd_soc_tplg_mixer_control | 0|N |
473 * +-------------------------------------+-----+
474 *
475 * Optional enum or mixer control can be appended to the end of each widget
476 * in the block.
477 */
478 struct snd_soc_tplg_dapm_widget {
479 __le32 size; /* in bytes of this structure */
480 __le32 id; /* SND_SOC_DAPM_CTL */
481 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
482 char sname[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
483
484 __le32 reg; /* negative reg = no direct dapm */
485 __le32 shift; /* bits to shift */
486 __le32 mask; /* non-shifted mask */
487 __le32 subseq; /* sort within widget type */
488 __le32 invert; /* invert the power bit */
489 __le32 ignore_suspend; /* kept enabled over suspend */
490 __le16 event_flags;
491 __le16 event_type;
492 __le32 num_kcontrols;
493 struct snd_soc_tplg_private priv;
494 /*
495 * kcontrols that relate to this widget
496 * follow here after widget private data
497 */
498 } __attribute__((packed));
499
500
501 /*
502 * Describes SW/FW specific features of PCM (FE DAI & DAI link).
503 *
504 * File block representation for PCM :-
505 * +-----------------------------------+-----+
506 * | struct snd_soc_tplg_hdr | 1 |
507 * +-----------------------------------+-----+
508 * | struct snd_soc_tplg_pcm | N |
509 * +-----------------------------------+-----+
510 */
511 struct snd_soc_tplg_pcm {
512 __le32 size; /* in bytes of this structure */
513 char pcm_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
514 char dai_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
515 __le32 pcm_id; /* unique ID - used to match with DAI link */
516 __le32 dai_id; /* unique ID - used to match */
517 __le32 playback; /* supports playback mode */
518 __le32 capture; /* supports capture mode */
519 __le32 compress; /* 1 = compressed; 0 = PCM */
520 struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* for DAI link */
521 __le32 num_streams; /* number of streams */
522 struct snd_soc_tplg_stream_caps caps[2]; /* playback and capture for DAI */
523 __le32 flag_mask; /* bitmask of flags to configure */
524 __le32 flags; /* SND_SOC_TPLG_LNK_FLGBIT_* flag value */
525 struct snd_soc_tplg_private priv;
526 } __attribute__((packed));
527
528
529 /*
530 * Describes the physical link runtime supported configs or params
531 *
532 * File block representation for physical link config :-
533 * +-----------------------------------+-----+
534 * | struct snd_soc_tplg_hdr | 1 |
535 * +-----------------------------------+-----+
536 * | struct snd_soc_tplg_link_config | N |
537 * +-----------------------------------+-----+
538 */
539 struct snd_soc_tplg_link_config {
540 __le32 size; /* in bytes of this structure */
541 __le32 id; /* unique ID - used to match */
542 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* name - used to match */
543 char stream_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* stream name - used to match */
544 struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* supported configs playback and captrure */
545 __le32 num_streams; /* number of streams */
546 struct snd_soc_tplg_hw_config hw_config[SND_SOC_TPLG_HW_CONFIG_MAX]; /* hw configs */
547 __le32 num_hw_configs; /* number of hw configs */
548 __le32 default_hw_config_id; /* default hw config ID for init */
549 __le32 flag_mask; /* bitmask of flags to configure */
550 __le32 flags; /* SND_SOC_TPLG_LNK_FLGBIT_* flag value */
551 struct snd_soc_tplg_private priv;
552 } __attribute__((packed));
553
554 /*
555 * Describes SW/FW specific features of physical DAI.
556 * It can be used to configure backend DAIs for DPCM.
557 *
558 * File block representation for physical DAI :-
559 * +-----------------------------------+-----+
560 * | struct snd_soc_tplg_hdr | 1 |
561 * +-----------------------------------+-----+
562 * | struct snd_soc_tplg_dai | N |
563 * +-----------------------------------+-----+
564 */
565 struct snd_soc_tplg_dai {
566 __le32 size; /* in bytes of this structure */
567 char dai_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* name - used to match */
568 __le32 dai_id; /* unique ID - used to match */
569 __le32 playback; /* supports playback mode */
570 __le32 capture; /* supports capture mode */
571 struct snd_soc_tplg_stream_caps caps[2]; /* playback and capture for DAI */
572 __le32 flag_mask; /* bitmask of flags to configure */
573 __le32 flags; /* SND_SOC_TPLG_DAI_FLGBIT_* */
574 struct snd_soc_tplg_private priv;
575 } __attribute__((packed));
576
577 /*
578 * Old version of ABI structs, supported for backward compatibility.
579 */
580
581 /* Manifest v4 */
582 struct snd_soc_tplg_manifest_v4 {
583 __le32 size; /* in bytes of this structure */
584 __le32 control_elems; /* number of control elements */
585 __le32 widget_elems; /* number of widget elements */
586 __le32 graph_elems; /* number of graph elements */
587 __le32 pcm_elems; /* number of PCM elements */
588 __le32 dai_link_elems; /* number of DAI link elements */
589 struct snd_soc_tplg_private priv;
590 } __packed;
591
592 /* Stream Capabilities v4 */
593 struct snd_soc_tplg_stream_caps_v4 {
594 __le32 size; /* in bytes of this structure */
595 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
596 __le64 formats; /* supported formats SNDRV_PCM_FMTBIT_* */
597 __le32 rates; /* supported rates SNDRV_PCM_RATE_* */
598 __le32 rate_min; /* min rate */
599 __le32 rate_max; /* max rate */
600 __le32 channels_min; /* min channels */
601 __le32 channels_max; /* max channels */
602 __le32 periods_min; /* min number of periods */
603 __le32 periods_max; /* max number of periods */
604 __le32 period_size_min; /* min period size bytes */
605 __le32 period_size_max; /* max period size bytes */
606 __le32 buffer_size_min; /* min buffer size bytes */
607 __le32 buffer_size_max; /* max buffer size bytes */
608 } __packed;
609
610 /* PCM v4 */
611 struct snd_soc_tplg_pcm_v4 {
612 __le32 size; /* in bytes of this structure */
613 char pcm_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
614 char dai_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
615 __le32 pcm_id; /* unique ID - used to match with DAI link */
616 __le32 dai_id; /* unique ID - used to match */
617 __le32 playback; /* supports playback mode */
618 __le32 capture; /* supports capture mode */
619 __le32 compress; /* 1 = compressed; 0 = PCM */
620 struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* for DAI link */
621 __le32 num_streams; /* number of streams */
622 struct snd_soc_tplg_stream_caps_v4 caps[2]; /* playback and capture for DAI */
623 } __packed;
624
625 /* Physical link config v4 */
626 struct snd_soc_tplg_link_config_v4 {
627 __le32 size; /* in bytes of this structure */
628 __le32 id; /* unique ID - used to match */
629 struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* supported configs playback and captrure */
630 __le32 num_streams; /* number of streams */
631 } __packed;
632
633 #endif