WIP FPC-III support
[linux/fpc-iii.git] / include / uapi / sound / asoc.h
blobda61398b1f8f3a7c23ceeab46287910e85a8184e
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /*
3 * uapi/sound/asoc.h -- ALSA SoC Firmware Controls and DAPM
5 * Copyright (C) 2012 Texas Instruments Inc.
6 * Copyright (C) 2015 Intel Corporation.
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.
12 * Simple file API to load FW that includes mixers, coefficients, DAPM graphs,
13 * algorithms, equalisers, DAIs, widgets etc.
16 #ifndef __LINUX_UAPI_SND_ASOC_H
17 #define __LINUX_UAPI_SND_ASOC_H
19 #include <linux/types.h>
20 #include <sound/asound.h>
23 * Maximum number of channels topology kcontrol can represent.
25 #define SND_SOC_TPLG_MAX_CHAN 8
28 * Maximum number of PCM formats capability
30 #define SND_SOC_TPLG_MAX_FORMATS 16
33 * Maximum number of PCM stream configs
35 #define SND_SOC_TPLG_STREAM_CONFIG_MAX 8
38 * Maximum number of physical link's hardware configs
40 #define SND_SOC_TPLG_HW_CONFIG_MAX 8
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
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
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
87 /* Header magic number and string sizes */
88 #define SND_SOC_TPLG_MAGIC 0x41536F43 /* ASoC */
90 /* string sizes */
91 #define SND_SOC_TPLG_NUM_TEXTS 16
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 */
97 /* Max size of TLV data */
98 #define SND_SOC_TPLG_TLV_SIZE 32
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.
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
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
126 #define SND_SOC_TPLG_STREAM_PLAYBACK 0
127 #define SND_SOC_TPLG_STREAM_CAPTURE 1
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
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)
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
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 */
151 /* DAI physical PCM data formats.
152 * Add new formats to the end of the list.
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 */
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
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)
172 /* DAI topology BCLK parameter
173 * For the backwards capability, by default codec is bclk provider
175 #define SND_SOC_TPLG_BCLK_CP 0 /* codec is bclk provider */
176 #define SND_SOC_TPLG_BCLK_CC 1 /* codec is bclk consumer */
177 /* keep previous definitions for compatibility */
178 #define SND_SOC_TPLG_BCLK_CM SND_SOC_TPLG_BCLK_CP
179 #define SND_SOC_TPLG_BCLK_CS SND_SOC_TPLG_BCLK_CC
181 /* DAI topology FSYNC parameter
182 * For the backwards capability, by default codec is fsync provider
184 #define SND_SOC_TPLG_FSYNC_CP 0 /* codec is fsync provider */
185 #define SND_SOC_TPLG_FSYNC_CC 1 /* codec is fsync consumer */
186 /* keep previous definitions for compatibility */
187 #define SND_SOC_TPLG_FSYNC_CM SND_SOC_TPLG_FSYNC_CP
188 #define SND_SOC_TPLG_FSYNC_CS SND_SOC_TPLG_FSYNC_CC
191 * Block Header.
192 * This header precedes all object and object arrays below.
194 struct snd_soc_tplg_hdr {
195 __le32 magic; /* magic number */
196 __le32 abi; /* ABI version */
197 __le32 version; /* optional vendor specific version details */
198 __le32 type; /* SND_SOC_TPLG_TYPE_ */
199 __le32 size; /* size of this structure */
200 __le32 vendor_type; /* optional vendor specific type info */
201 __le32 payload_size; /* data bytes, excluding this header */
202 __le32 index; /* identifier for block */
203 __le32 count; /* number of elements in block */
204 } __attribute__((packed));
206 /* vendor tuple for uuid */
207 struct snd_soc_tplg_vendor_uuid_elem {
208 __le32 token;
209 char uuid[16];
210 } __attribute__((packed));
212 /* vendor tuple for a bool/byte/short/word value */
213 struct snd_soc_tplg_vendor_value_elem {
214 __le32 token;
215 __le32 value;
216 } __attribute__((packed));
218 /* vendor tuple for string */
219 struct snd_soc_tplg_vendor_string_elem {
220 __le32 token;
221 char string[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
222 } __attribute__((packed));
224 struct snd_soc_tplg_vendor_array {
225 __le32 size; /* size in bytes of the array, including all elements */
226 __le32 type; /* SND_SOC_TPLG_TUPLE_TYPE_ */
227 __le32 num_elems; /* number of elements in array */
228 union {
229 struct snd_soc_tplg_vendor_uuid_elem uuid[0];
230 struct snd_soc_tplg_vendor_value_elem value[0];
231 struct snd_soc_tplg_vendor_string_elem string[0];
233 } __attribute__((packed));
236 * Private data.
237 * All topology objects may have private data that can be used by the driver or
238 * firmware. Core will ignore this data.
240 struct snd_soc_tplg_private {
241 __le32 size; /* in bytes of private data */
242 union {
243 char data[0];
244 struct snd_soc_tplg_vendor_array array[0];
246 } __attribute__((packed));
249 * Kcontrol TLV data.
251 struct snd_soc_tplg_tlv_dbscale {
252 __le32 min;
253 __le32 step;
254 __le32 mute;
255 } __attribute__((packed));
257 struct snd_soc_tplg_ctl_tlv {
258 __le32 size; /* in bytes of this structure */
259 __le32 type; /* SNDRV_CTL_TLVT_*, type of TLV */
260 union {
261 __le32 data[SND_SOC_TPLG_TLV_SIZE];
262 struct snd_soc_tplg_tlv_dbscale scale;
264 } __attribute__((packed));
267 * Kcontrol channel data
269 struct snd_soc_tplg_channel {
270 __le32 size; /* in bytes of this structure */
271 __le32 reg;
272 __le32 shift;
273 __le32 id; /* ID maps to Left, Right, LFE etc */
274 } __attribute__((packed));
277 * Genericl Operations IDs, for binding Kcontrol or Bytes ext ops
278 * Kcontrol ops need get/put/info.
279 * Bytes ext ops need get/put.
281 struct snd_soc_tplg_io_ops {
282 __le32 get;
283 __le32 put;
284 __le32 info;
285 } __attribute__((packed));
288 * kcontrol header
290 struct snd_soc_tplg_ctl_hdr {
291 __le32 size; /* in bytes of this structure */
292 __le32 type;
293 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
294 __le32 access;
295 struct snd_soc_tplg_io_ops ops;
296 struct snd_soc_tplg_ctl_tlv tlv;
297 } __attribute__((packed));
300 * Stream Capabilities
302 struct snd_soc_tplg_stream_caps {
303 __le32 size; /* in bytes of this structure */
304 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
305 __le64 formats; /* supported formats SNDRV_PCM_FMTBIT_* */
306 __le32 rates; /* supported rates SNDRV_PCM_RATE_* */
307 __le32 rate_min; /* min rate */
308 __le32 rate_max; /* max rate */
309 __le32 channels_min; /* min channels */
310 __le32 channels_max; /* max channels */
311 __le32 periods_min; /* min number of periods */
312 __le32 periods_max; /* max number of periods */
313 __le32 period_size_min; /* min period size bytes */
314 __le32 period_size_max; /* max period size bytes */
315 __le32 buffer_size_min; /* min buffer size bytes */
316 __le32 buffer_size_max; /* max buffer size bytes */
317 __le32 sig_bits; /* number of bits of content */
318 } __attribute__((packed));
321 * FE or BE Stream configuration supported by SW/FW
323 struct snd_soc_tplg_stream {
324 __le32 size; /* in bytes of this structure */
325 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* Name of the stream */
326 __le64 format; /* SNDRV_PCM_FMTBIT_* */
327 __le32 rate; /* SNDRV_PCM_RATE_* */
328 __le32 period_bytes; /* size of period in bytes */
329 __le32 buffer_bytes; /* size of buffer in bytes */
330 __le32 channels; /* channels */
331 } __attribute__((packed));
335 * Describes a physical link's runtime supported hardware config,
336 * i.e. hardware audio formats.
338 struct snd_soc_tplg_hw_config {
339 __le32 size; /* in bytes of this structure */
340 __le32 id; /* unique ID - - used to match */
341 __le32 fmt; /* SND_SOC_DAI_FORMAT_ format value */
342 __u8 clock_gated; /* SND_SOC_TPLG_DAI_CLK_GATE_ value */
343 __u8 invert_bclk; /* 1 for inverted BCLK, 0 for normal */
344 __u8 invert_fsync; /* 1 for inverted frame clock, 0 for normal */
345 __u8 bclk_provider; /* SND_SOC_TPLG_BCLK_ value */
346 __u8 fsync_provider; /* SND_SOC_TPLG_FSYNC_ value */
347 __u8 mclk_direction; /* SND_SOC_TPLG_MCLK_ value */
348 __le16 reserved; /* for 32bit alignment */
349 __le32 mclk_rate; /* MCLK or SYSCLK freqency in Hz */
350 __le32 bclk_rate; /* BCLK freqency in Hz */
351 __le32 fsync_rate; /* frame clock in Hz */
352 __le32 tdm_slots; /* number of TDM slots in use */
353 __le32 tdm_slot_width; /* width in bits for each slot */
354 __le32 tx_slots; /* bit mask for active Tx slots */
355 __le32 rx_slots; /* bit mask for active Rx slots */
356 __le32 tx_channels; /* number of Tx channels */
357 __le32 tx_chanmap[SND_SOC_TPLG_MAX_CHAN]; /* array of slot number */
358 __le32 rx_channels; /* number of Rx channels */
359 __le32 rx_chanmap[SND_SOC_TPLG_MAX_CHAN]; /* array of slot number */
360 } __attribute__((packed));
363 * Manifest. List totals for each payload type. Not used in parsing, but will
364 * be passed to the component driver before any other objects in order for any
365 * global component resource allocations.
367 * File block representation for manifest :-
368 * +-----------------------------------+----+
369 * | struct snd_soc_tplg_hdr | 1 |
370 * +-----------------------------------+----+
371 * | struct snd_soc_tplg_manifest | 1 |
372 * +-----------------------------------+----+
374 struct snd_soc_tplg_manifest {
375 __le32 size; /* in bytes of this structure */
376 __le32 control_elems; /* number of control elements */
377 __le32 widget_elems; /* number of widget elements */
378 __le32 graph_elems; /* number of graph elements */
379 __le32 pcm_elems; /* number of PCM elements */
380 __le32 dai_link_elems; /* number of DAI link elements */
381 __le32 dai_elems; /* number of physical DAI elements */
382 __le32 reserved[20]; /* reserved for new ABI element types */
383 struct snd_soc_tplg_private priv;
384 } __attribute__((packed));
387 * Mixer kcontrol.
389 * File block representation for mixer kcontrol :-
390 * +-----------------------------------+----+
391 * | struct snd_soc_tplg_hdr | 1 |
392 * +-----------------------------------+----+
393 * | struct snd_soc_tplg_mixer_control | N |
394 * +-----------------------------------+----+
396 struct snd_soc_tplg_mixer_control {
397 struct snd_soc_tplg_ctl_hdr hdr;
398 __le32 size; /* in bytes of this structure */
399 __le32 min;
400 __le32 max;
401 __le32 platform_max;
402 __le32 invert;
403 __le32 num_channels;
404 struct snd_soc_tplg_channel channel[SND_SOC_TPLG_MAX_CHAN];
405 struct snd_soc_tplg_private priv;
406 } __attribute__((packed));
409 * Enumerated kcontrol
411 * File block representation for enum kcontrol :-
412 * +-----------------------------------+----+
413 * | struct snd_soc_tplg_hdr | 1 |
414 * +-----------------------------------+----+
415 * | struct snd_soc_tplg_enum_control | N |
416 * +-----------------------------------+----+
418 struct snd_soc_tplg_enum_control {
419 struct snd_soc_tplg_ctl_hdr hdr;
420 __le32 size; /* in bytes of this structure */
421 __le32 num_channels;
422 struct snd_soc_tplg_channel channel[SND_SOC_TPLG_MAX_CHAN];
423 __le32 items;
424 __le32 mask;
425 __le32 count;
426 char texts[SND_SOC_TPLG_NUM_TEXTS][SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
427 __le32 values[SND_SOC_TPLG_NUM_TEXTS * SNDRV_CTL_ELEM_ID_NAME_MAXLEN / 4];
428 struct snd_soc_tplg_private priv;
429 } __attribute__((packed));
432 * Bytes kcontrol
434 * File block representation for bytes kcontrol :-
435 * +-----------------------------------+----+
436 * | struct snd_soc_tplg_hdr | 1 |
437 * +-----------------------------------+----+
438 * | struct snd_soc_tplg_bytes_control | N |
439 * +-----------------------------------+----+
441 struct snd_soc_tplg_bytes_control {
442 struct snd_soc_tplg_ctl_hdr hdr;
443 __le32 size; /* in bytes of this structure */
444 __le32 max;
445 __le32 mask;
446 __le32 base;
447 __le32 num_regs;
448 struct snd_soc_tplg_io_ops ext_ops;
449 struct snd_soc_tplg_private priv;
450 } __attribute__((packed));
453 * DAPM Graph Element
455 * File block representation for DAPM graph elements :-
456 * +-------------------------------------+----+
457 * | struct snd_soc_tplg_hdr | 1 |
458 * +-------------------------------------+----+
459 * | struct snd_soc_tplg_dapm_graph_elem | N |
460 * +-------------------------------------+----+
462 struct snd_soc_tplg_dapm_graph_elem {
463 char sink[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
464 char control[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
465 char source[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
466 } __attribute__((packed));
469 * DAPM Widget.
471 * File block representation for DAPM widget :-
472 * +-------------------------------------+-----+
473 * | struct snd_soc_tplg_hdr | 1 |
474 * +-------------------------------------+-----+
475 * | struct snd_soc_tplg_dapm_widget | N |
476 * +-------------------------------------+-----+
477 * | struct snd_soc_tplg_enum_control | 0|1 |
478 * | struct snd_soc_tplg_mixer_control | 0|N |
479 * +-------------------------------------+-----+
481 * Optional enum or mixer control can be appended to the end of each widget
482 * in the block.
484 struct snd_soc_tplg_dapm_widget {
485 __le32 size; /* in bytes of this structure */
486 __le32 id; /* SND_SOC_DAPM_CTL */
487 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
488 char sname[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
490 __le32 reg; /* negative reg = no direct dapm */
491 __le32 shift; /* bits to shift */
492 __le32 mask; /* non-shifted mask */
493 __le32 subseq; /* sort within widget type */
494 __le32 invert; /* invert the power bit */
495 __le32 ignore_suspend; /* kept enabled over suspend */
496 __le16 event_flags;
497 __le16 event_type;
498 __le32 num_kcontrols;
499 struct snd_soc_tplg_private priv;
501 * kcontrols that relate to this widget
502 * follow here after widget private data
504 } __attribute__((packed));
508 * Describes SW/FW specific features of PCM (FE DAI & DAI link).
510 * File block representation for PCM :-
511 * +-----------------------------------+-----+
512 * | struct snd_soc_tplg_hdr | 1 |
513 * +-----------------------------------+-----+
514 * | struct snd_soc_tplg_pcm | N |
515 * +-----------------------------------+-----+
517 struct snd_soc_tplg_pcm {
518 __le32 size; /* in bytes of this structure */
519 char pcm_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
520 char dai_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
521 __le32 pcm_id; /* unique ID - used to match with DAI link */
522 __le32 dai_id; /* unique ID - used to match */
523 __le32 playback; /* supports playback mode */
524 __le32 capture; /* supports capture mode */
525 __le32 compress; /* 1 = compressed; 0 = PCM */
526 struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* for DAI link */
527 __le32 num_streams; /* number of streams */
528 struct snd_soc_tplg_stream_caps caps[2]; /* playback and capture for DAI */
529 __le32 flag_mask; /* bitmask of flags to configure */
530 __le32 flags; /* SND_SOC_TPLG_LNK_FLGBIT_* flag value */
531 struct snd_soc_tplg_private priv;
532 } __attribute__((packed));
536 * Describes the physical link runtime supported configs or params
538 * File block representation for physical link config :-
539 * +-----------------------------------+-----+
540 * | struct snd_soc_tplg_hdr | 1 |
541 * +-----------------------------------+-----+
542 * | struct snd_soc_tplg_link_config | N |
543 * +-----------------------------------+-----+
545 struct snd_soc_tplg_link_config {
546 __le32 size; /* in bytes of this structure */
547 __le32 id; /* unique ID - used to match */
548 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* name - used to match */
549 char stream_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* stream name - used to match */
550 struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* supported configs playback and captrure */
551 __le32 num_streams; /* number of streams */
552 struct snd_soc_tplg_hw_config hw_config[SND_SOC_TPLG_HW_CONFIG_MAX]; /* hw configs */
553 __le32 num_hw_configs; /* number of hw configs */
554 __le32 default_hw_config_id; /* default hw config ID for init */
555 __le32 flag_mask; /* bitmask of flags to configure */
556 __le32 flags; /* SND_SOC_TPLG_LNK_FLGBIT_* flag value */
557 struct snd_soc_tplg_private priv;
558 } __attribute__((packed));
561 * Describes SW/FW specific features of physical DAI.
562 * It can be used to configure backend DAIs for DPCM.
564 * File block representation for physical DAI :-
565 * +-----------------------------------+-----+
566 * | struct snd_soc_tplg_hdr | 1 |
567 * +-----------------------------------+-----+
568 * | struct snd_soc_tplg_dai | N |
569 * +-----------------------------------+-----+
571 struct snd_soc_tplg_dai {
572 __le32 size; /* in bytes of this structure */
573 char dai_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* name - used to match */
574 __le32 dai_id; /* unique ID - used to match */
575 __le32 playback; /* supports playback mode */
576 __le32 capture; /* supports capture mode */
577 struct snd_soc_tplg_stream_caps caps[2]; /* playback and capture for DAI */
578 __le32 flag_mask; /* bitmask of flags to configure */
579 __le32 flags; /* SND_SOC_TPLG_DAI_FLGBIT_* */
580 struct snd_soc_tplg_private priv;
581 } __attribute__((packed));
584 * Old version of ABI structs, supported for backward compatibility.
587 /* Manifest v4 */
588 struct snd_soc_tplg_manifest_v4 {
589 __le32 size; /* in bytes of this structure */
590 __le32 control_elems; /* number of control elements */
591 __le32 widget_elems; /* number of widget elements */
592 __le32 graph_elems; /* number of graph elements */
593 __le32 pcm_elems; /* number of PCM elements */
594 __le32 dai_link_elems; /* number of DAI link elements */
595 struct snd_soc_tplg_private priv;
596 } __packed;
598 /* Stream Capabilities v4 */
599 struct snd_soc_tplg_stream_caps_v4 {
600 __le32 size; /* in bytes of this structure */
601 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
602 __le64 formats; /* supported formats SNDRV_PCM_FMTBIT_* */
603 __le32 rates; /* supported rates SNDRV_PCM_RATE_* */
604 __le32 rate_min; /* min rate */
605 __le32 rate_max; /* max rate */
606 __le32 channels_min; /* min channels */
607 __le32 channels_max; /* max channels */
608 __le32 periods_min; /* min number of periods */
609 __le32 periods_max; /* max number of periods */
610 __le32 period_size_min; /* min period size bytes */
611 __le32 period_size_max; /* max period size bytes */
612 __le32 buffer_size_min; /* min buffer size bytes */
613 __le32 buffer_size_max; /* max buffer size bytes */
614 } __packed;
616 /* PCM v4 */
617 struct snd_soc_tplg_pcm_v4 {
618 __le32 size; /* in bytes of this structure */
619 char pcm_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
620 char dai_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
621 __le32 pcm_id; /* unique ID - used to match with DAI link */
622 __le32 dai_id; /* unique ID - used to match */
623 __le32 playback; /* supports playback mode */
624 __le32 capture; /* supports capture mode */
625 __le32 compress; /* 1 = compressed; 0 = PCM */
626 struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* for DAI link */
627 __le32 num_streams; /* number of streams */
628 struct snd_soc_tplg_stream_caps_v4 caps[2]; /* playback and capture for DAI */
629 } __packed;
631 /* Physical link config v4 */
632 struct snd_soc_tplg_link_config_v4 {
633 __le32 size; /* in bytes of this structure */
634 __le32 id; /* unique ID - used to match */
635 struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* supported configs playback and captrure */
636 __le32 num_streams; /* number of streams */
637 } __packed;
639 #endif