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