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1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)2//3// This file is provided under a dual BSD/GPLv2 license. When using or4// redistributing this file, you may do so under either license.5//6// Copyright(c) 2018 Intel Corporation7//8// Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>9//10 11#include <linux/bits.h>12#include <linux/device.h>13#include <linux/errno.h>14#include <linux/firmware.h>15#include <linux/workqueue.h>16#include <sound/tlv.h>17#include <uapi/sound/sof/tokens.h>18#include "sof-priv.h"19#include "sof-audio.h"20#include "ops.h"21 22#define COMP_ID_UNASSIGNED 0xffffffff23/*24 * Constants used in the computation of linear volume gain25 * from dB gain 20th root of 10 in Q1.16 fixed-point notation26 */27#define VOL_TWENTIETH_ROOT_OF_TEN 7353328/* 40th root of 10 in Q1.16 fixed-point notation*/29#define VOL_FORTIETH_ROOT_OF_TEN 6941930 31/* 0.5 dB step value in topology TLV */32#define VOL_HALF_DB_STEP 5033 34/* TLV data items */35#define TLV_MIN 036#define TLV_STEP 137#define TLV_MUTE 238 39/**40 * sof_update_ipc_object - Parse multiple sets of tokens within the token array associated with the41 * token ID.42 * @scomp: pointer to SOC component43 * @object: target IPC struct to save the parsed values44 * @token_id: token ID for the token array to be searched45 * @tuples: pointer to the tuples array46 * @num_tuples: number of tuples in the tuples array47 * @object_size: size of the object48 * @token_instance_num: number of times the same @token_id needs to be parsed i.e. the function49 * looks for @token_instance_num of each token in the token array associated50 * with the @token_id51 */52int sof_update_ipc_object(struct snd_soc_component *scomp, void *object, enum sof_tokens token_id,53 struct snd_sof_tuple *tuples, int num_tuples,54 size_t object_size, int token_instance_num)55{56 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);57 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);58 const struct sof_token_info *token_list;59 const struct sof_topology_token *tokens;60 int i, j;61 62 token_list = tplg_ops ? tplg_ops->token_list : NULL;63 /* nothing to do if token_list is NULL */64 if (!token_list)65 return 0;66 67 if (token_list[token_id].count < 0) {68 dev_err(scomp->dev, "Invalid token count for token ID: %d\n", token_id);69 return -EINVAL;70 }71 72 /* No tokens to match */73 if (!token_list[token_id].count)74 return 0;75 76 tokens = token_list[token_id].tokens;77 if (!tokens) {78 dev_err(scomp->dev, "Invalid tokens for token id: %d\n", token_id);79 return -EINVAL;80 }81 82 for (i = 0; i < token_list[token_id].count; i++) {83 int offset = 0;84 int num_tokens_matched = 0;85 86 for (j = 0; j < num_tuples; j++) {87 if (tokens[i].token == tuples[j].token) {88 switch (tokens[i].type) {89 case SND_SOC_TPLG_TUPLE_TYPE_WORD:90 {91 u32 *val = (u32 *)((u8 *)object + tokens[i].offset +92 offset);93 94 *val = tuples[j].value.v;95 break;96 }97 case SND_SOC_TPLG_TUPLE_TYPE_SHORT:98 case SND_SOC_TPLG_TUPLE_TYPE_BOOL:99 {100 u16 *val = (u16 *)((u8 *)object + tokens[i].offset +101 offset);102 103 *val = (u16)tuples[j].value.v;104 break;105 }106 case SND_SOC_TPLG_TUPLE_TYPE_STRING:107 {108 if (!tokens[i].get_token) {109 dev_err(scomp->dev,110 "get_token not defined for token %d in %s\n",111 tokens[i].token, token_list[token_id].name);112 return -EINVAL;113 }114 115 tokens[i].get_token((void *)tuples[j].value.s, object,116 tokens[i].offset + offset);117 break;118 }119 default:120 break;121 }122 123 num_tokens_matched++;124 125 /* found all required sets of current token. Move to the next one */126 if (!(num_tokens_matched % token_instance_num))127 break;128 129 /* move to the next object */130 offset += object_size;131 }132 }133 }134 135 return 0;136}137 138static inline int get_tlv_data(const int *p, int tlv[SOF_TLV_ITEMS])139{140 /* we only support dB scale TLV type at the moment */141 if ((int)p[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE)142 return -EINVAL;143 144 /* min value in topology tlv data is multiplied by 100 */145 tlv[TLV_MIN] = (int)p[SNDRV_CTL_TLVO_DB_SCALE_MIN] / 100;146 147 /* volume steps */148 tlv[TLV_STEP] = (int)(p[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] &149 TLV_DB_SCALE_MASK);150 151 /* mute ON/OFF */152 if ((p[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] &153 TLV_DB_SCALE_MUTE) == 0)154 tlv[TLV_MUTE] = 0;155 else156 tlv[TLV_MUTE] = 1;157 158 return 0;159}160 161/*162 * Function to truncate an unsigned 64-bit number163 * by x bits and return 32-bit unsigned number. This164 * function also takes care of rounding while truncating165 */166static inline u32 vol_shift_64(u64 i, u32 x)167{168 /* do not truncate more than 32 bits */169 if (x > 32)170 x = 32;171 172 if (x == 0)173 return (u32)i;174 175 return (u32)(((i >> (x - 1)) + 1) >> 1);176}177 178/*179 * Function to compute a ^ exp where,180 * a is a fractional number represented by a fixed-point181 * integer with a fractional world length of "fwl"182 * exp is an integer183 * fwl is the fractional word length184 * Return value is a fractional number represented by a185 * fixed-point integer with a fractional word length of "fwl"186 */187static u32 vol_pow32(u32 a, int exp, u32 fwl)188{189 int i, iter;190 u32 power = 1 << fwl;191 u64 numerator;192 193 /* if exponent is 0, return 1 */194 if (exp == 0)195 return power;196 197 /* determine the number of iterations based on the exponent */198 if (exp < 0)199 iter = exp * -1;200 else201 iter = exp;202 203 /* mutiply a "iter" times to compute power */204 for (i = 0; i < iter; i++) {205 /*206 * Product of 2 Qx.fwl fixed-point numbers yields a Q2*x.2*fwl207 * Truncate product back to fwl fractional bits with rounding208 */209 power = vol_shift_64((u64)power * a, fwl);210 }211 212 if (exp > 0) {213 /* if exp is positive, return the result */214 return power;215 }216 217 /* if exp is negative, return the multiplicative inverse */218 numerator = (u64)1 << (fwl << 1);219 do_div(numerator, power);220 221 return (u32)numerator;222}223 224/*225 * Function to calculate volume gain from TLV data.226 * This function can only handle gain steps that are multiples of 0.5 dB227 */228u32 vol_compute_gain(u32 value, int *tlv)229{230 int dB_gain;231 u32 linear_gain;232 int f_step;233 234 /* mute volume */235 if (value == 0 && tlv[TLV_MUTE])236 return 0;237 238 /*239 * compute dB gain from tlv. tlv_step240 * in topology is multiplied by 100241 */242 dB_gain = tlv[TLV_MIN] + (value * tlv[TLV_STEP]) / 100;243 244 /*245 * compute linear gain represented by fixed-point246 * int with VOLUME_FWL fractional bits247 */248 linear_gain = vol_pow32(VOL_TWENTIETH_ROOT_OF_TEN, dB_gain, VOLUME_FWL);249 250 /* extract the fractional part of volume step */251 f_step = tlv[TLV_STEP] - (tlv[TLV_STEP] / 100);252 253 /* if volume step is an odd multiple of 0.5 dB */254 if (f_step == VOL_HALF_DB_STEP && (value & 1))255 linear_gain = vol_shift_64((u64)linear_gain *256 VOL_FORTIETH_ROOT_OF_TEN,257 VOLUME_FWL);258 259 return linear_gain;260}261 262/*263 * Set up volume table for kcontrols from tlv data264 * "size" specifies the number of entries in the table265 */266static int set_up_volume_table(struct snd_sof_control *scontrol,267 int tlv[SOF_TLV_ITEMS], int size)268{269 struct snd_soc_component *scomp = scontrol->scomp;270 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);271 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);272 273 if (tplg_ops && tplg_ops->control && tplg_ops->control->set_up_volume_table)274 return tplg_ops->control->set_up_volume_table(scontrol, tlv, size);275 276 dev_err(scomp->dev, "Mandatory op %s not set\n", __func__);277 return -EINVAL;278}279 280struct sof_dai_types {281 const char *name;282 enum sof_ipc_dai_type type;283};284 285static const struct sof_dai_types sof_dais[] = {286 {"SSP", SOF_DAI_INTEL_SSP},287 {"HDA", SOF_DAI_INTEL_HDA},288 {"DMIC", SOF_DAI_INTEL_DMIC},289 {"ALH", SOF_DAI_INTEL_ALH},290 {"SAI", SOF_DAI_IMX_SAI},291 {"ESAI", SOF_DAI_IMX_ESAI},292 {"ACPBT", SOF_DAI_AMD_BT},293 {"ACPSP", SOF_DAI_AMD_SP},294 {"ACPDMIC", SOF_DAI_AMD_DMIC},295 {"ACPHS", SOF_DAI_AMD_HS},296 {"AFE", SOF_DAI_MEDIATEK_AFE},297 {"ACPSP_VIRTUAL", SOF_DAI_AMD_SP_VIRTUAL},298 {"ACPHS_VIRTUAL", SOF_DAI_AMD_HS_VIRTUAL},299 {"MICFIL", SOF_DAI_IMX_MICFIL},300 {"ACP_SDW", SOF_DAI_AMD_SDW},301 302};303 304static enum sof_ipc_dai_type find_dai(const char *name)305{306 int i;307 308 for (i = 0; i < ARRAY_SIZE(sof_dais); i++) {309 if (strcmp(name, sof_dais[i].name) == 0)310 return sof_dais[i].type;311 }312 313 return SOF_DAI_INTEL_NONE;314}315 316/*317 * Supported Frame format types and lookup, add new ones to end of list.318 */319 320struct sof_frame_types {321 const char *name;322 enum sof_ipc_frame frame;323};324 325static const struct sof_frame_types sof_frames[] = {326 {"s16le", SOF_IPC_FRAME_S16_LE},327 {"s24le", SOF_IPC_FRAME_S24_4LE},328 {"s32le", SOF_IPC_FRAME_S32_LE},329 {"float", SOF_IPC_FRAME_FLOAT},330};331 332static enum sof_ipc_frame find_format(const char *name)333{334 int i;335 336 for (i = 0; i < ARRAY_SIZE(sof_frames); i++) {337 if (strcmp(name, sof_frames[i].name) == 0)338 return sof_frames[i].frame;339 }340 341 /* use s32le if nothing is specified */342 return SOF_IPC_FRAME_S32_LE;343}344 345int get_token_u32(void *elem, void *object, u32 offset)346{347 struct snd_soc_tplg_vendor_value_elem *velem = elem;348 u32 *val = (u32 *)((u8 *)object + offset);349 350 *val = le32_to_cpu(velem->value);351 return 0;352}353 354int get_token_u16(void *elem, void *object, u32 offset)355{356 struct snd_soc_tplg_vendor_value_elem *velem = elem;357 u16 *val = (u16 *)((u8 *)object + offset);358 359 *val = (u16)le32_to_cpu(velem->value);360 return 0;361}362 363int get_token_uuid(void *elem, void *object, u32 offset)364{365 struct snd_soc_tplg_vendor_uuid_elem *velem = elem;366 u8 *dst = (u8 *)object + offset;367 368 memcpy(dst, velem->uuid, UUID_SIZE);369 370 return 0;371}372 373/*374 * The string gets from topology will be stored in heap, the owner only375 * holds a char* member point to the heap.376 */377int get_token_string(void *elem, void *object, u32 offset)378{379 /* "dst" here points to the char* member of the owner */380 char **dst = (char **)((u8 *)object + offset);381 382 *dst = kstrdup(elem, GFP_KERNEL);383 if (!*dst)384 return -ENOMEM;385 return 0;386};387 388int get_token_comp_format(void *elem, void *object, u32 offset)389{390 u32 *val = (u32 *)((u8 *)object + offset);391 392 *val = find_format((const char *)elem);393 return 0;394}395 396int get_token_dai_type(void *elem, void *object, u32 offset)397{398 u32 *val = (u32 *)((u8 *)object + offset);399 400 *val = find_dai((const char *)elem);401 return 0;402}403 404/* PCM */405static const struct sof_topology_token stream_tokens[] = {406 {SOF_TKN_STREAM_PLAYBACK_COMPATIBLE_D0I3, SND_SOC_TPLG_TUPLE_TYPE_BOOL, get_token_u16,407 offsetof(struct snd_sof_pcm, stream[0].d0i3_compatible)},408 {SOF_TKN_STREAM_CAPTURE_COMPATIBLE_D0I3, SND_SOC_TPLG_TUPLE_TYPE_BOOL, get_token_u16,409 offsetof(struct snd_sof_pcm, stream[1].d0i3_compatible)},410};411 412/* Leds */413static const struct sof_topology_token led_tokens[] = {414 {SOF_TKN_MUTE_LED_USE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,415 offsetof(struct snd_sof_led_control, use_led)},416 {SOF_TKN_MUTE_LED_DIRECTION, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,417 offsetof(struct snd_sof_led_control, direction)},418};419 420static const struct sof_topology_token comp_pin_tokens[] = {421 {SOF_TKN_COMP_NUM_INPUT_PINS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,422 offsetof(struct snd_sof_widget, num_input_pins)},423 {SOF_TKN_COMP_NUM_OUTPUT_PINS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,424 offsetof(struct snd_sof_widget, num_output_pins)},425};426 427static const struct sof_topology_token comp_input_pin_binding_tokens[] = {428 {SOF_TKN_COMP_INPUT_PIN_BINDING_WNAME, SND_SOC_TPLG_TUPLE_TYPE_STRING,429 get_token_string, 0},430};431 432static const struct sof_topology_token comp_output_pin_binding_tokens[] = {433 {SOF_TKN_COMP_OUTPUT_PIN_BINDING_WNAME, SND_SOC_TPLG_TUPLE_TYPE_STRING,434 get_token_string, 0},435};436 437/**438 * sof_parse_uuid_tokens - Parse multiple sets of UUID tokens439 * @scomp: pointer to soc component440 * @object: target ipc struct for parsed values441 * @offset: offset within the object pointer442 * @tokens: array of struct sof_topology_token containing the tokens to be matched443 * @num_tokens: number of tokens in tokens array444 * @array: source pointer to consecutive vendor arrays in topology445 *446 * This function parses multiple sets of string type tokens in vendor arrays447 */448static int sof_parse_uuid_tokens(struct snd_soc_component *scomp,449 void *object, size_t offset,450 const struct sof_topology_token *tokens, int num_tokens,451 struct snd_soc_tplg_vendor_array *array)452{453 struct snd_soc_tplg_vendor_uuid_elem *elem;454 int found = 0;455 int i, j;456 457 /* parse element by element */458 for (i = 0; i < le32_to_cpu(array->num_elems); i++) {459 elem = &array->uuid[i];460 461 /* search for token */462 for (j = 0; j < num_tokens; j++) {463 /* match token type */464 if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_UUID)465 continue;466 467 /* match token id */468 if (tokens[j].token != le32_to_cpu(elem->token))469 continue;470 471 /* matched - now load token */472 tokens[j].get_token(elem, object,473 offset + tokens[j].offset);474 475 found++;476 }477 }478 479 return found;480}481 482/**483 * sof_copy_tuples - Parse tokens and copy them to the @tuples array484 * @sdev: pointer to struct snd_sof_dev485 * @array: source pointer to consecutive vendor arrays in topology486 * @array_size: size of @array487 * @token_id: Token ID associated with a token array488 * @token_instance_num: number of times the same @token_id needs to be parsed i.e. the function489 * looks for @token_instance_num of each token in the token array associated490 * with the @token_id491 * @tuples: tuples array to copy the matched tuples to492 * @tuples_size: size of @tuples493 * @num_copied_tuples: pointer to the number of copied tuples in the tuples array494 *495 */496static int sof_copy_tuples(struct snd_sof_dev *sdev, struct snd_soc_tplg_vendor_array *array,497 int array_size, u32 token_id, int token_instance_num,498 struct snd_sof_tuple *tuples, int tuples_size, int *num_copied_tuples)499{500 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);501 const struct sof_token_info *token_list;502 const struct sof_topology_token *tokens;503 int found = 0;504 int num_tokens, asize;505 int i, j;506 507 token_list = tplg_ops ? tplg_ops->token_list : NULL;508 /* nothing to do if token_list is NULL */509 if (!token_list)510 return 0;511 512 if (!tuples || !num_copied_tuples) {513 dev_err(sdev->dev, "Invalid tuples array\n");514 return -EINVAL;515 }516 517 tokens = token_list[token_id].tokens;518 num_tokens = token_list[token_id].count;519 520 if (!tokens) {521 dev_err(sdev->dev, "No token array defined for token ID: %d\n", token_id);522 return -EINVAL;523 }524 525 /* check if there's space in the tuples array for new tokens */526 if (*num_copied_tuples >= tuples_size) {527 dev_err(sdev->dev, "No space in tuples array for new tokens from %s",528 token_list[token_id].name);529 return -EINVAL;530 }531 532 while (array_size > 0 && found < num_tokens * token_instance_num) {533 asize = le32_to_cpu(array->size);534 535 /* validate asize */536 if (asize < 0) {537 dev_err(sdev->dev, "Invalid array size 0x%x\n", asize);538 return -EINVAL;539 }540 541 /* make sure there is enough data before parsing */542 array_size -= asize;543 if (array_size < 0) {544 dev_err(sdev->dev, "Invalid array size 0x%x\n", asize);545 return -EINVAL;546 }547 548 /* parse element by element */549 for (i = 0; i < le32_to_cpu(array->num_elems); i++) {550 /* search for token */551 for (j = 0; j < num_tokens; j++) {552 /* match token type */553 if (!(tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_WORD ||554 tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_SHORT ||555 tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BYTE ||556 tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BOOL ||557 tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_STRING))558 continue;559 560 if (tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_STRING) {561 struct snd_soc_tplg_vendor_string_elem *elem;562 563 elem = &array->string[i];564 565 /* match token id */566 if (tokens[j].token != le32_to_cpu(elem->token))567 continue;568 569 tuples[*num_copied_tuples].token = tokens[j].token;570 tuples[*num_copied_tuples].value.s = elem->string;571 } else {572 struct snd_soc_tplg_vendor_value_elem *elem;573 574 elem = &array->value[i];575 576 /* match token id */577 if (tokens[j].token != le32_to_cpu(elem->token))578 continue;579 580 tuples[*num_copied_tuples].token = tokens[j].token;581 tuples[*num_copied_tuples].value.v =582 le32_to_cpu(elem->value);583 }584 found++;585 (*num_copied_tuples)++;586 587 /* stop if there's no space for any more new tuples */588 if (*num_copied_tuples == tuples_size)589 return 0;590 }591 592 /* stop when we've found the required token instances */593 if (found == num_tokens * token_instance_num)594 return 0;595 }596 597 /* next array */598 array = (struct snd_soc_tplg_vendor_array *)((u8 *)array + asize);599 }600 601 return 0;602}603 604/**605 * sof_parse_string_tokens - Parse multiple sets of tokens606 * @scomp: pointer to soc component607 * @object: target ipc struct for parsed values608 * @offset: offset within the object pointer609 * @tokens: array of struct sof_topology_token containing the tokens to be matched610 * @num_tokens: number of tokens in tokens array611 * @array: source pointer to consecutive vendor arrays in topology612 *613 * This function parses multiple sets of string type tokens in vendor arrays614 */615static int sof_parse_string_tokens(struct snd_soc_component *scomp,616 void *object, int offset,617 const struct sof_topology_token *tokens, int num_tokens,618 struct snd_soc_tplg_vendor_array *array)619{620 struct snd_soc_tplg_vendor_string_elem *elem;621 int found = 0;622 int i, j, ret;623 624 /* parse element by element */625 for (i = 0; i < le32_to_cpu(array->num_elems); i++) {626 elem = &array->string[i];627 628 /* search for token */629 for (j = 0; j < num_tokens; j++) {630 /* match token type */631 if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_STRING)632 continue;633 634 /* match token id */635 if (tokens[j].token != le32_to_cpu(elem->token))636 continue;637 638 /* matched - now load token */639 ret = tokens[j].get_token(elem->string, object, offset + tokens[j].offset);640 if (ret < 0)641 return ret;642 643 found++;644 }645 }646 647 return found;648}649 650/**651 * sof_parse_word_tokens - Parse multiple sets of tokens652 * @scomp: pointer to soc component653 * @object: target ipc struct for parsed values654 * @offset: offset within the object pointer655 * @tokens: array of struct sof_topology_token containing the tokens to be matched656 * @num_tokens: number of tokens in tokens array657 * @array: source pointer to consecutive vendor arrays in topology658 *659 * This function parses multiple sets of word type tokens in vendor arrays660 */661static int sof_parse_word_tokens(struct snd_soc_component *scomp,662 void *object, int offset,663 const struct sof_topology_token *tokens, int num_tokens,664 struct snd_soc_tplg_vendor_array *array)665{666 struct snd_soc_tplg_vendor_value_elem *elem;667 int found = 0;668 int i, j;669 670 /* parse element by element */671 for (i = 0; i < le32_to_cpu(array->num_elems); i++) {672 elem = &array->value[i];673 674 /* search for token */675 for (j = 0; j < num_tokens; j++) {676 /* match token type */677 if (!(tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_WORD ||678 tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_SHORT ||679 tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BYTE ||680 tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BOOL))681 continue;682 683 /* match token id */684 if (tokens[j].token != le32_to_cpu(elem->token))685 continue;686 687 /* load token */688 tokens[j].get_token(elem, object, offset + tokens[j].offset);689 690 found++;691 }692 }693 694 return found;695}696 697/**698 * sof_parse_token_sets - Parse multiple sets of tokens699 * @scomp: pointer to soc component700 * @object: target ipc struct for parsed values701 * @tokens: token definition array describing what tokens to parse702 * @count: number of tokens in definition array703 * @array: source pointer to consecutive vendor arrays in topology704 * @array_size: total size of @array705 * @token_instance_num: number of times the same tokens needs to be parsed i.e. the function706 * looks for @token_instance_num of each token in the @tokens707 * @object_size: offset to next target ipc struct with multiple sets708 *709 * This function parses multiple sets of tokens in vendor arrays into710 * consecutive ipc structs.711 */712static int sof_parse_token_sets(struct snd_soc_component *scomp,713 void *object, const struct sof_topology_token *tokens,714 int count, struct snd_soc_tplg_vendor_array *array,715 int array_size, int token_instance_num, size_t object_size)716{717 size_t offset = 0;718 int found = 0;719 int total = 0;720 int asize;721 int ret;722 723 while (array_size > 0 && total < count * token_instance_num) {724 asize = le32_to_cpu(array->size);725 726 /* validate asize */727 if (asize < 0) { /* FIXME: A zero-size array makes no sense */728 dev_err(scomp->dev, "error: invalid array size 0x%x\n",729 asize);730 return -EINVAL;731 }732 733 /* make sure there is enough data before parsing */734 array_size -= asize;735 if (array_size < 0) {736 dev_err(scomp->dev, "error: invalid array size 0x%x\n",737 asize);738 return -EINVAL;739 }740 741 /* call correct parser depending on type */742 switch (le32_to_cpu(array->type)) {743 case SND_SOC_TPLG_TUPLE_TYPE_UUID:744 found += sof_parse_uuid_tokens(scomp, object, offset, tokens, count,745 array);746 break;747 case SND_SOC_TPLG_TUPLE_TYPE_STRING:748 749 ret = sof_parse_string_tokens(scomp, object, offset, tokens, count,750 array);751 if (ret < 0) {752 dev_err(scomp->dev, "error: no memory to copy string token\n");753 return ret;754 }755 756 found += ret;757 break;758 case SND_SOC_TPLG_TUPLE_TYPE_BOOL:759 case SND_SOC_TPLG_TUPLE_TYPE_BYTE:760 case SND_SOC_TPLG_TUPLE_TYPE_WORD:761 case SND_SOC_TPLG_TUPLE_TYPE_SHORT:762 found += sof_parse_word_tokens(scomp, object, offset, tokens, count,763 array);764 break;765 default:766 dev_err(scomp->dev, "error: unknown token type %d\n",767 array->type);768 return -EINVAL;769 }770 771 /* next array */772 array = (struct snd_soc_tplg_vendor_array *)((u8 *)array773 + asize);774 775 /* move to next target struct */776 if (found >= count) {777 offset += object_size;778 total += found;779 found = 0;780 }781 }782 783 return 0;784}785 786/**787 * sof_parse_tokens - Parse one set of tokens788 * @scomp: pointer to soc component789 * @object: target ipc struct for parsed values790 * @tokens: token definition array describing what tokens to parse791 * @num_tokens: number of tokens in definition array792 * @array: source pointer to consecutive vendor arrays in topology793 * @array_size: total size of @array794 *795 * This function parses a single set of tokens in vendor arrays into796 * consecutive ipc structs.797 */798static int sof_parse_tokens(struct snd_soc_component *scomp, void *object,799 const struct sof_topology_token *tokens, int num_tokens,800 struct snd_soc_tplg_vendor_array *array,801 int array_size)802 803{804 /*805 * sof_parse_tokens is used when topology contains only a single set of806 * identical tuples arrays. So additional parameters to807 * sof_parse_token_sets are sets = 1 (only 1 set) and808 * object_size = 0 (irrelevant).809 */810 return sof_parse_token_sets(scomp, object, tokens, num_tokens, array,811 array_size, 1, 0);812}813 814/*815 * Standard Kcontrols.816 */817 818static int sof_control_load_volume(struct snd_soc_component *scomp,819 struct snd_sof_control *scontrol,820 struct snd_kcontrol_new *kc,821 struct snd_soc_tplg_ctl_hdr *hdr)822{823 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);824 struct snd_soc_tplg_mixer_control *mc =825 container_of(hdr, struct snd_soc_tplg_mixer_control, hdr);826 int tlv[SOF_TLV_ITEMS];827 unsigned int mask;828 int ret;829 830 /* validate topology data */831 if (le32_to_cpu(mc->num_channels) > SND_SOC_TPLG_MAX_CHAN)832 return -EINVAL;833 834 /*835 * If control has more than 2 channels we need to override the info. This is because even if836 * ASoC layer has defined topology's max channel count to SND_SOC_TPLG_MAX_CHAN = 8, the837 * pre-defined dapm control types (and related functions) creating the actual control838 * restrict the channels only to mono or stereo.839 */840 if (le32_to_cpu(mc->num_channels) > 2)841 kc->info = snd_sof_volume_info;842 843 scontrol->comp_id = sdev->next_comp_id;844 scontrol->min_volume_step = le32_to_cpu(mc->min);845 scontrol->max_volume_step = le32_to_cpu(mc->max);846 scontrol->num_channels = le32_to_cpu(mc->num_channels);847 848 scontrol->max = le32_to_cpu(mc->max);849 if (le32_to_cpu(mc->max) == 1)850 goto skip;851 852 /* extract tlv data */853 if (!kc->tlv.p || get_tlv_data(kc->tlv.p, tlv) < 0) {854 dev_err(scomp->dev, "error: invalid TLV data\n");855 return -EINVAL;856 }857 858 /* set up volume table */859 ret = set_up_volume_table(scontrol, tlv, le32_to_cpu(mc->max) + 1);860 if (ret < 0) {861 dev_err(scomp->dev, "error: setting up volume table\n");862 return ret;863 }864 865skip:866 /* set up possible led control from mixer private data */867 ret = sof_parse_tokens(scomp, &scontrol->led_ctl, led_tokens,868 ARRAY_SIZE(led_tokens), mc->priv.array,869 le32_to_cpu(mc->priv.size));870 if (ret != 0) {871 dev_err(scomp->dev, "error: parse led tokens failed %d\n",872 le32_to_cpu(mc->priv.size));873 goto err;874 }875 876 if (scontrol->led_ctl.use_led) {877 mask = scontrol->led_ctl.direction ? SNDRV_CTL_ELEM_ACCESS_MIC_LED :878 SNDRV_CTL_ELEM_ACCESS_SPK_LED;879 scontrol->access &= ~SNDRV_CTL_ELEM_ACCESS_LED_MASK;880 scontrol->access |= mask;881 kc->access &= ~SNDRV_CTL_ELEM_ACCESS_LED_MASK;882 kc->access |= mask;883 sdev->led_present = true;884 }885 886 dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d\n",887 scontrol->comp_id, scontrol->num_channels);888 889 return 0;890 891err:892 if (le32_to_cpu(mc->max) > 1)893 kfree(scontrol->volume_table);894 895 return ret;896}897 898static int sof_control_load_enum(struct snd_soc_component *scomp,899 struct snd_sof_control *scontrol,900 struct snd_kcontrol_new *kc,901 struct snd_soc_tplg_ctl_hdr *hdr)902{903 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);904 struct snd_soc_tplg_enum_control *ec =905 container_of(hdr, struct snd_soc_tplg_enum_control, hdr);906 907 /* validate topology data */908 if (le32_to_cpu(ec->num_channels) > SND_SOC_TPLG_MAX_CHAN)909 return -EINVAL;910 911 scontrol->comp_id = sdev->next_comp_id;912 scontrol->num_channels = le32_to_cpu(ec->num_channels);913 914 dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d comp_id %d\n",915 scontrol->comp_id, scontrol->num_channels, scontrol->comp_id);916 917 return 0;918}919 920static int sof_control_load_bytes(struct snd_soc_component *scomp,921 struct snd_sof_control *scontrol,922 struct snd_kcontrol_new *kc,923 struct snd_soc_tplg_ctl_hdr *hdr)924{925 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);926 struct snd_soc_tplg_bytes_control *control =927 container_of(hdr, struct snd_soc_tplg_bytes_control, hdr);928 struct soc_bytes_ext *sbe = (struct soc_bytes_ext *)kc->private_value;929 size_t priv_size = le32_to_cpu(control->priv.size);930 931 scontrol->max_size = sbe->max;932 scontrol->comp_id = sdev->next_comp_id;933 934 dev_dbg(scomp->dev, "tplg: load kcontrol index %d\n", scontrol->comp_id);935 936 /* copy the private data */937 if (priv_size > 0) {938 scontrol->priv = kmemdup(control->priv.data, priv_size, GFP_KERNEL);939 if (!scontrol->priv)940 return -ENOMEM;941 942 scontrol->priv_size = priv_size;943 }944 945 return 0;946}947 948/* external kcontrol init - used for any driver specific init */949static int sof_control_load(struct snd_soc_component *scomp, int index,950 struct snd_kcontrol_new *kc,951 struct snd_soc_tplg_ctl_hdr *hdr)952{953 struct soc_mixer_control *sm;954 struct soc_bytes_ext *sbe;955 struct soc_enum *se;956 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);957 struct snd_soc_dobj *dobj;958 struct snd_sof_control *scontrol;959 int ret;960 961 dev_dbg(scomp->dev, "tplg: load control type %d name : %s\n",962 hdr->type, hdr->name);963 964 scontrol = kzalloc(sizeof(*scontrol), GFP_KERNEL);965 if (!scontrol)966 return -ENOMEM;967 968 scontrol->name = kstrdup(hdr->name, GFP_KERNEL);969 if (!scontrol->name) {970 kfree(scontrol);971 return -ENOMEM;972 }973 974 scontrol->scomp = scomp;975 scontrol->access = kc->access;976 scontrol->info_type = le32_to_cpu(hdr->ops.info);977 scontrol->index = kc->index;978 979 switch (le32_to_cpu(hdr->ops.info)) {980 case SND_SOC_TPLG_CTL_VOLSW:981 case SND_SOC_TPLG_CTL_VOLSW_SX:982 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:983 sm = (struct soc_mixer_control *)kc->private_value;984 dobj = &sm->dobj;985 ret = sof_control_load_volume(scomp, scontrol, kc, hdr);986 break;987 case SND_SOC_TPLG_CTL_BYTES:988 sbe = (struct soc_bytes_ext *)kc->private_value;989 dobj = &sbe->dobj;990 ret = sof_control_load_bytes(scomp, scontrol, kc, hdr);991 break;992 case SND_SOC_TPLG_CTL_ENUM:993 case SND_SOC_TPLG_CTL_ENUM_VALUE:994 se = (struct soc_enum *)kc->private_value;995 dobj = &se->dobj;996 ret = sof_control_load_enum(scomp, scontrol, kc, hdr);997 break;998 case SND_SOC_TPLG_CTL_RANGE:999 case SND_SOC_TPLG_CTL_STROBE:1000 case SND_SOC_TPLG_DAPM_CTL_VOLSW:1001 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:1002 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:1003 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:1004 case SND_SOC_TPLG_DAPM_CTL_PIN:1005 default:1006 dev_warn(scomp->dev, "control type not supported %d:%d:%d\n",1007 hdr->ops.get, hdr->ops.put, hdr->ops.info);1008 kfree(scontrol->name);1009 kfree(scontrol);1010 return 0;1011 }1012 1013 if (ret < 0) {1014 kfree(scontrol->name);1015 kfree(scontrol);1016 return ret;1017 }1018 1019 scontrol->led_ctl.led_value = -1;1020 1021 dobj->private = scontrol;1022 list_add(&scontrol->list, &sdev->kcontrol_list);1023 return 0;1024}1025 1026static int sof_control_unload(struct snd_soc_component *scomp,1027 struct snd_soc_dobj *dobj)1028{1029 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);1030 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);1031 struct snd_sof_control *scontrol = dobj->private;1032 int ret = 0;1033 1034 dev_dbg(scomp->dev, "tplg: unload control name : %s\n", scontrol->name);1035 1036 if (tplg_ops && tplg_ops->control_free) {1037 ret = tplg_ops->control_free(sdev, scontrol);1038 if (ret < 0)1039 dev_err(scomp->dev, "failed to free control: %s\n", scontrol->name);1040 }1041 1042 /* free all data before returning in case of error too */1043 kfree(scontrol->ipc_control_data);1044 kfree(scontrol->priv);1045 kfree(scontrol->name);1046 list_del(&scontrol->list);1047 kfree(scontrol);1048 1049 return ret;1050}1051 1052/*1053 * DAI Topology1054 */1055 1056static int sof_connect_dai_widget(struct snd_soc_component *scomp,1057 struct snd_soc_dapm_widget *w,1058 struct snd_soc_tplg_dapm_widget *tw,1059 struct snd_sof_dai *dai)1060{1061 struct snd_soc_card *card = scomp->card;1062 struct snd_soc_pcm_runtime *rtd;1063 struct snd_soc_dai *cpu_dai;1064 int stream;1065 int i;1066 1067 if (!w->sname) {1068 dev_err(scomp->dev, "Widget %s does not have stream\n", w->name);1069 return -EINVAL;1070 }1071 1072 if (w->id == snd_soc_dapm_dai_out)1073 stream = SNDRV_PCM_STREAM_CAPTURE;1074 else if (w->id == snd_soc_dapm_dai_in)1075 stream = SNDRV_PCM_STREAM_PLAYBACK;1076 else1077 goto end;1078 1079 list_for_each_entry(rtd, &card->rtd_list, list) {1080 /* does stream match DAI link ? */1081 if (!rtd->dai_link->stream_name ||1082 !strstr(rtd->dai_link->stream_name, w->sname))1083 continue;1084 1085 for_each_rtd_cpu_dais(rtd, i, cpu_dai) {1086 /*1087 * Please create DAI widget in the right order1088 * to ensure BE will connect to the right DAI1089 * widget.1090 */1091 if (!snd_soc_dai_get_widget(cpu_dai, stream)) {1092 snd_soc_dai_set_widget(cpu_dai, stream, w);1093 break;1094 }1095 }1096 if (i == rtd->dai_link->num_cpus) {1097 dev_err(scomp->dev, "error: can't find BE for DAI %s\n", w->name);1098 1099 return -EINVAL;1100 }1101 1102 dai->name = rtd->dai_link->name;1103 dev_dbg(scomp->dev, "tplg: connected widget %s -> DAI link %s\n",1104 w->name, rtd->dai_link->name);1105 }1106end:1107 /* check we have a connection */1108 if (!dai->name) {1109 dev_err(scomp->dev, "error: can't connect DAI %s stream %s\n",1110 w->name, w->sname);1111 return -EINVAL;1112 }1113 1114 return 0;1115}1116 1117static void sof_disconnect_dai_widget(struct snd_soc_component *scomp,1118 struct snd_soc_dapm_widget *w)1119{1120 struct snd_soc_card *card = scomp->card;1121 struct snd_soc_pcm_runtime *rtd;1122 const char *sname = w->sname;1123 struct snd_soc_dai *cpu_dai;1124 int i, stream;1125 1126 if (!sname)1127 return;1128 1129 if (w->id == snd_soc_dapm_dai_out)1130 stream = SNDRV_PCM_STREAM_CAPTURE;1131 else if (w->id == snd_soc_dapm_dai_in)1132 stream = SNDRV_PCM_STREAM_PLAYBACK;1133 else1134 return;1135 1136 list_for_each_entry(rtd, &card->rtd_list, list) {1137 /* does stream match DAI link ? */1138 if (!rtd->dai_link->stream_name ||1139 !strstr(rtd->dai_link->stream_name, sname))1140 continue;1141 1142 for_each_rtd_cpu_dais(rtd, i, cpu_dai)1143 if (snd_soc_dai_get_widget(cpu_dai, stream) == w) {1144 snd_soc_dai_set_widget(cpu_dai, stream, NULL);1145 break;1146 }1147 }1148}1149 1150/* bind PCM ID to host component ID */1151static int spcm_bind(struct snd_soc_component *scomp, struct snd_sof_pcm *spcm,1152 int dir)1153{1154 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);1155 struct snd_sof_widget *host_widget;1156 1157 if (sdev->dspless_mode_selected)1158 return 0;1159 1160 host_widget = snd_sof_find_swidget_sname(scomp,1161 spcm->pcm.caps[dir].name,1162 dir);1163 if (!host_widget) {1164 dev_err(scomp->dev, "can't find host comp to bind pcm\n");1165 return -EINVAL;1166 }1167 1168 spcm->stream[dir].comp_id = host_widget->comp_id;1169 1170 return 0;1171}1172 1173static int sof_get_token_value(u32 token_id, struct snd_sof_tuple *tuples, int num_tuples)1174{1175 int i;1176 1177 if (!tuples)1178 return -EINVAL;1179 1180 for (i = 0; i < num_tuples; i++) {1181 if (tuples[i].token == token_id)1182 return tuples[i].value.v;1183 }1184 1185 return -EINVAL;1186}1187 1188static int sof_widget_parse_tokens(struct snd_soc_component *scomp, struct snd_sof_widget *swidget,1189 struct snd_soc_tplg_dapm_widget *tw,1190 enum sof_tokens *object_token_list, int count)1191{1192 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);1193 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);1194 struct snd_soc_tplg_private *private = &tw->priv;1195 const struct sof_token_info *token_list;1196 int num_tuples = 0;1197 int ret, i;1198 1199 token_list = tplg_ops ? tplg_ops->token_list : NULL;1200 /* nothing to do if token_list is NULL */1201 if (!token_list)1202 return 0;1203 1204 if (count > 0 && !object_token_list) {1205 dev_err(scomp->dev, "No token list for widget %s\n", swidget->widget->name);1206 return -EINVAL;1207 }1208 1209 /* calculate max size of tuples array */1210 for (i = 0; i < count; i++)1211 num_tuples += token_list[object_token_list[i]].count;1212 1213 /* allocate memory for tuples array */1214 swidget->tuples = kcalloc(num_tuples, sizeof(*swidget->tuples), GFP_KERNEL);1215 if (!swidget->tuples)1216 return -ENOMEM;1217 1218 /* parse token list for widget */1219 for (i = 0; i < count; i++) {1220 int num_sets = 1;1221 1222 if (object_token_list[i] >= SOF_TOKEN_COUNT) {1223 dev_err(scomp->dev, "Invalid token id %d for widget %s\n",1224 object_token_list[i], swidget->widget->name);1225 ret = -EINVAL;1226 goto err;1227 }1228 1229 switch (object_token_list[i]) {1230 case SOF_COMP_EXT_TOKENS:1231 /* parse and save UUID in swidget */1232 ret = sof_parse_tokens(scomp, swidget,1233 token_list[object_token_list[i]].tokens,1234 token_list[object_token_list[i]].count,1235 private->array, le32_to_cpu(private->size));1236 if (ret < 0) {1237 dev_err(scomp->dev, "Failed parsing %s for widget %s\n",1238 token_list[object_token_list[i]].name,1239 swidget->widget->name);1240 goto err;1241 }1242 1243 continue;1244 case SOF_IN_AUDIO_FORMAT_TOKENS:1245 num_sets = sof_get_token_value(SOF_TKN_COMP_NUM_INPUT_AUDIO_FORMATS,1246 swidget->tuples, swidget->num_tuples);1247 if (num_sets < 0) {1248 dev_err(sdev->dev, "Invalid input audio format count for %s\n",1249 swidget->widget->name);1250 ret = num_sets;1251 goto err;1252 }1253 break;1254 case SOF_OUT_AUDIO_FORMAT_TOKENS:1255 num_sets = sof_get_token_value(SOF_TKN_COMP_NUM_OUTPUT_AUDIO_FORMATS,1256 swidget->tuples, swidget->num_tuples);1257 if (num_sets < 0) {1258 dev_err(sdev->dev, "Invalid output audio format count for %s\n",1259 swidget->widget->name);1260 ret = num_sets;1261 goto err;1262 }1263 break;1264 default:1265 break;1266 }1267 1268 if (num_sets > 1) {1269 struct snd_sof_tuple *new_tuples;1270 1271 num_tuples += token_list[object_token_list[i]].count * (num_sets - 1);1272 new_tuples = krealloc(swidget->tuples,1273 sizeof(*new_tuples) * num_tuples, GFP_KERNEL);1274 if (!new_tuples) {1275 ret = -ENOMEM;1276 goto err;1277 }1278 1279 swidget->tuples = new_tuples;1280 }1281 1282 /* copy one set of tuples per token ID into swidget->tuples */1283 ret = sof_copy_tuples(sdev, private->array, le32_to_cpu(private->size),1284 object_token_list[i], num_sets, swidget->tuples,1285 num_tuples, &swidget->num_tuples);1286 if (ret < 0) {1287 dev_err(scomp->dev, "Failed parsing %s for widget %s err: %d\n",1288 token_list[object_token_list[i]].name, swidget->widget->name, ret);1289 goto err;1290 }1291 }1292 1293 return 0;1294err:1295 kfree(swidget->tuples);1296 return ret;1297}1298 1299static void sof_free_pin_binding(struct snd_sof_widget *swidget,1300 bool pin_type)1301{1302 char **pin_binding;1303 u32 num_pins;1304 int i;1305 1306 if (pin_type == SOF_PIN_TYPE_INPUT) {1307 pin_binding = swidget->input_pin_binding;1308 num_pins = swidget->num_input_pins;1309 } else {1310 pin_binding = swidget->output_pin_binding;1311 num_pins = swidget->num_output_pins;1312 }1313 1314 if (pin_binding) {1315 for (i = 0; i < num_pins; i++)1316 kfree(pin_binding[i]);1317 }1318 1319 kfree(pin_binding);1320}1321 1322static int sof_parse_pin_binding(struct snd_sof_widget *swidget,1323 struct snd_soc_tplg_private *priv, bool pin_type)1324{1325 const struct sof_topology_token *pin_binding_token;1326 char *pin_binding[SOF_WIDGET_MAX_NUM_PINS];1327 int token_count;1328 u32 num_pins;1329 char **pb;1330 int ret;1331 int i;1332 1333 if (pin_type == SOF_PIN_TYPE_INPUT) {1334 num_pins = swidget->num_input_pins;1335 pin_binding_token = comp_input_pin_binding_tokens;1336 token_count = ARRAY_SIZE(comp_input_pin_binding_tokens);1337 } else {1338 num_pins = swidget->num_output_pins;1339 pin_binding_token = comp_output_pin_binding_tokens;1340 token_count = ARRAY_SIZE(comp_output_pin_binding_tokens);1341 }1342 1343 memset(pin_binding, 0, SOF_WIDGET_MAX_NUM_PINS * sizeof(char *));1344 ret = sof_parse_token_sets(swidget->scomp, pin_binding, pin_binding_token,1345 token_count, priv->array, le32_to_cpu(priv->size),1346 num_pins, sizeof(char *));1347 if (ret < 0)1348 goto err;1349 1350 /* copy pin binding array to swidget only if it is defined in topology */1351 if (pin_binding[0]) {1352 pb = kmemdup_array(pin_binding, num_pins, sizeof(char *), GFP_KERNEL);1353 if (!pb) {1354 ret = -ENOMEM;1355 goto err;1356 }1357 if (pin_type == SOF_PIN_TYPE_INPUT)1358 swidget->input_pin_binding = pb;1359 else1360 swidget->output_pin_binding = pb;1361 }1362 1363 return 0;1364 1365err:1366 for (i = 0; i < num_pins; i++)1367 kfree(pin_binding[i]);1368 1369 return ret;1370}1371 1372static int get_w_no_wname_in_long_name(void *elem, void *object, u32 offset)1373{1374 struct snd_soc_tplg_vendor_value_elem *velem = elem;1375 struct snd_soc_dapm_widget *w = object;1376 1377 w->no_wname_in_kcontrol_name = !!le32_to_cpu(velem->value);1378 return 0;1379}1380 1381static const struct sof_topology_token dapm_widget_tokens[] = {1382 {SOF_TKN_COMP_NO_WNAME_IN_KCONTROL_NAME, SND_SOC_TPLG_TUPLE_TYPE_BOOL,1383 get_w_no_wname_in_long_name, 0}1384};1385 1386/* external widget init - used for any driver specific init */1387static int sof_widget_ready(struct snd_soc_component *scomp, int index,1388 struct snd_soc_dapm_widget *w,1389 struct snd_soc_tplg_dapm_widget *tw)1390{1391 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);1392 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);1393 const struct sof_ipc_tplg_widget_ops *widget_ops;1394 struct snd_soc_tplg_private *priv = &tw->priv;1395 enum sof_tokens *token_list = NULL;1396 struct snd_sof_widget *swidget;1397 struct snd_sof_dai *dai;1398 int token_list_size = 0;1399 int ret = 0;1400 1401 swidget = kzalloc(sizeof(*swidget), GFP_KERNEL);1402 if (!swidget)1403 return -ENOMEM;1404 1405 swidget->scomp = scomp;1406 swidget->widget = w;1407 swidget->comp_id = sdev->next_comp_id++;1408 swidget->id = w->id;1409 swidget->pipeline_id = index;1410 swidget->private = NULL;1411 mutex_init(&swidget->setup_mutex);1412 1413 ida_init(&swidget->output_queue_ida);1414 ida_init(&swidget->input_queue_ida);1415 1416 ret = sof_parse_tokens(scomp, w, dapm_widget_tokens, ARRAY_SIZE(dapm_widget_tokens),1417 priv->array, le32_to_cpu(priv->size));1418 if (ret < 0) {1419 dev_err(scomp->dev, "failed to parse dapm widget tokens for %s\n",1420 w->name);1421 goto widget_free;1422 }1423 1424 ret = sof_parse_tokens(scomp, swidget, comp_pin_tokens,1425 ARRAY_SIZE(comp_pin_tokens), priv->array,1426 le32_to_cpu(priv->size));1427 if (ret < 0) {1428 dev_err(scomp->dev, "failed to parse component pin tokens for %s\n",1429 w->name);1430 goto widget_free;1431 }1432 1433 if (swidget->num_input_pins > SOF_WIDGET_MAX_NUM_PINS ||1434 swidget->num_output_pins > SOF_WIDGET_MAX_NUM_PINS) {1435 dev_err(scomp->dev, "invalid pins for %s: [input: %d, output: %d]\n",1436 swidget->widget->name, swidget->num_input_pins, swidget->num_output_pins);1437 ret = -EINVAL;1438 goto widget_free;1439 }1440 1441 if (swidget->num_input_pins > 1) {1442 ret = sof_parse_pin_binding(swidget, priv, SOF_PIN_TYPE_INPUT);1443 /* on parsing error, pin binding is not allocated, nothing to free. */1444 if (ret < 0) {1445 dev_err(scomp->dev, "failed to parse input pin binding for %s\n",1446 w->name);1447 goto widget_free;1448 }1449 }1450 1451 if (swidget->num_output_pins > 1) {1452 ret = sof_parse_pin_binding(swidget, priv, SOF_PIN_TYPE_OUTPUT);1453 /* on parsing error, pin binding is not allocated, nothing to free. */1454 if (ret < 0) {1455 dev_err(scomp->dev, "failed to parse output pin binding for %s\n",1456 w->name);1457 goto widget_free;1458 }1459 }1460 1461 dev_dbg(scomp->dev,1462 "tplg: widget %d (%s) is ready [type: %d, pipe: %d, pins: %d / %d, stream: %s]\n",1463 swidget->comp_id, w->name, swidget->id, index,1464 swidget->num_input_pins, swidget->num_output_pins,1465 strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0 ? w->sname : "none");1466 1467 widget_ops = tplg_ops ? tplg_ops->widget : NULL;1468 if (widget_ops) {1469 token_list = widget_ops[w->id].token_list;1470 token_list_size = widget_ops[w->id].token_list_size;1471 }1472 1473 /* handle any special case widgets */1474 switch (w->id) {1475 case snd_soc_dapm_dai_in:1476 case snd_soc_dapm_dai_out:1477 dai = kzalloc(sizeof(*dai), GFP_KERNEL);1478 if (!dai) {1479 ret = -ENOMEM;1480 goto widget_free;1481 }1482 1483 ret = sof_widget_parse_tokens(scomp, swidget, tw, token_list, token_list_size);1484 if (!ret)1485 ret = sof_connect_dai_widget(scomp, w, tw, dai);1486 if (ret < 0) {1487 kfree(dai);1488 break;1489 }1490 list_add(&dai->list, &sdev->dai_list);1491 swidget->private = dai;1492 break;1493 case snd_soc_dapm_effect:1494 /* check we have some tokens - we need at least process type */1495 if (le32_to_cpu(tw->priv.size) == 0) {1496 dev_err(scomp->dev, "error: process tokens not found\n");1497 ret = -EINVAL;1498 break;1499 }1500 ret = sof_widget_parse_tokens(scomp, swidget, tw, token_list, token_list_size);1501 break;1502 case snd_soc_dapm_pga:1503 if (!le32_to_cpu(tw->num_kcontrols)) {1504 dev_err(scomp->dev, "invalid kcontrol count %d for volume\n",1505 tw->num_kcontrols);1506 ret = -EINVAL;1507 break;1508 }1509 1510 fallthrough;1511 case snd_soc_dapm_mixer:1512 case snd_soc_dapm_buffer:1513 case snd_soc_dapm_scheduler:1514 case snd_soc_dapm_aif_out:1515 case snd_soc_dapm_aif_in:1516 case snd_soc_dapm_src:1517 case snd_soc_dapm_asrc:1518 case snd_soc_dapm_siggen:1519 case snd_soc_dapm_mux:1520 case snd_soc_dapm_demux:1521 ret = sof_widget_parse_tokens(scomp, swidget, tw, token_list, token_list_size);1522 break;1523 case snd_soc_dapm_switch:1524 case snd_soc_dapm_dai_link:1525 case snd_soc_dapm_kcontrol:1526 default:1527 dev_dbg(scomp->dev, "widget type %d name %s not handled\n", swidget->id, tw->name);1528 break;1529 }1530 1531 /* check token parsing reply */1532 if (ret < 0) {1533 dev_err(scomp->dev,1534 "failed to add widget type %d name : %s stream %s\n",1535 swidget->id, tw->name, strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 01536 ? tw->sname : "none");1537 goto widget_free;1538 }1539 1540 if (sof_debug_check_flag(SOF_DBG_DISABLE_MULTICORE)) {1541 swidget->core = SOF_DSP_PRIMARY_CORE;1542 } else {1543 int core = sof_get_token_value(SOF_TKN_COMP_CORE_ID, swidget->tuples,1544 swidget->num_tuples);1545 1546 if (core >= 0)1547 swidget->core = core;1548 }1549 1550 /* bind widget to external event */1551 if (tw->event_type) {1552 if (widget_ops && widget_ops[w->id].bind_event) {1553 ret = widget_ops[w->id].bind_event(scomp, swidget,1554 le16_to_cpu(tw->event_type));1555 if (ret) {1556 dev_err(scomp->dev, "widget event binding failed for %s\n",1557 swidget->widget->name);1558 goto free;1559 }1560 }1561 }1562 1563 /* create and add pipeline for scheduler type widgets */1564 if (w->id == snd_soc_dapm_scheduler) {1565 struct snd_sof_pipeline *spipe;1566 1567 spipe = kzalloc(sizeof(*spipe), GFP_KERNEL);1568 if (!spipe) {1569 ret = -ENOMEM;1570 goto free;1571 }1572 1573 spipe->pipe_widget = swidget;1574 swidget->spipe = spipe;1575 list_add(&spipe->list, &sdev->pipeline_list);1576 }1577 1578 w->dobj.private = swidget;1579 list_add(&swidget->list, &sdev->widget_list);1580 return ret;1581free:1582 kfree(swidget->private);1583 kfree(swidget->tuples);1584widget_free:1585 kfree(swidget);1586 return ret;1587}1588 1589static int sof_route_unload(struct snd_soc_component *scomp,1590 struct snd_soc_dobj *dobj)1591{1592 struct snd_sof_route *sroute;1593 1594 sroute = dobj->private;1595 if (!sroute)1596 return 0;1597 1598 /* free sroute and its private data */1599 kfree(sroute->private);1600 list_del(&sroute->list);1601 kfree(sroute);1602 1603 return 0;1604}1605 1606static int sof_widget_unload(struct snd_soc_component *scomp,1607 struct snd_soc_dobj *dobj)1608{1609 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);1610 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);1611 const struct sof_ipc_tplg_widget_ops *widget_ops;1612 const struct snd_kcontrol_new *kc;1613 struct snd_soc_dapm_widget *widget;1614 struct snd_sof_control *scontrol;1615 struct snd_sof_widget *swidget;1616 struct soc_mixer_control *sm;1617 struct soc_bytes_ext *sbe;1618 struct snd_sof_dai *dai;1619 struct soc_enum *se;1620 int i;1621 1622 swidget = dobj->private;1623 if (!swidget)1624 return 0;1625 1626 widget = swidget->widget;1627 1628 switch (swidget->id) {1629 case snd_soc_dapm_dai_in:1630 case snd_soc_dapm_dai_out:1631 dai = swidget->private;1632 1633 if (dai)1634 list_del(&dai->list);1635 1636 sof_disconnect_dai_widget(scomp, widget);1637 1638 break;1639 case snd_soc_dapm_scheduler:1640 {1641 struct snd_sof_pipeline *spipe = swidget->spipe;1642 1643 list_del(&spipe->list);1644 kfree(spipe);1645 swidget->spipe = NULL;1646 break;1647 }1648 default:1649 break;1650 }1651 for (i = 0; i < widget->num_kcontrols; i++) {1652 kc = &widget->kcontrol_news[i];1653 switch (widget->dobj.widget.kcontrol_type[i]) {1654 case SND_SOC_TPLG_TYPE_MIXER:1655 sm = (struct soc_mixer_control *)kc->private_value;1656 scontrol = sm->dobj.private;1657 if (sm->max > 1)1658 kfree(scontrol->volume_table);1659 break;1660 case SND_SOC_TPLG_TYPE_ENUM:1661 se = (struct soc_enum *)kc->private_value;1662 scontrol = se->dobj.private;1663 break;1664 case SND_SOC_TPLG_TYPE_BYTES:1665 sbe = (struct soc_bytes_ext *)kc->private_value;1666 scontrol = sbe->dobj.private;1667 break;1668 default:1669 dev_warn(scomp->dev, "unsupported kcontrol_type\n");1670 goto out;1671 }1672 kfree(scontrol->ipc_control_data);1673 list_del(&scontrol->list);1674 kfree(scontrol->name);1675 kfree(scontrol);1676 }1677 1678out:1679 /* free IPC related data */1680 widget_ops = tplg_ops ? tplg_ops->widget : NULL;1681 if (widget_ops && widget_ops[swidget->id].ipc_free)1682 widget_ops[swidget->id].ipc_free(swidget);1683 1684 ida_destroy(&swidget->output_queue_ida);1685 ida_destroy(&swidget->input_queue_ida);1686 1687 sof_free_pin_binding(swidget, SOF_PIN_TYPE_INPUT);1688 sof_free_pin_binding(swidget, SOF_PIN_TYPE_OUTPUT);1689 1690 kfree(swidget->tuples);1691 1692 /* remove and free swidget object */1693 list_del(&swidget->list);1694 kfree(swidget);1695 1696 return 0;1697}1698 1699/*1700 * DAI HW configuration.1701 */1702 1703/* FE DAI - used for any driver specific init */1704static int sof_dai_load(struct snd_soc_component *scomp, int index,1705 struct snd_soc_dai_driver *dai_drv,1706 struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai)1707{1708 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);1709 const struct sof_ipc_pcm_ops *ipc_pcm_ops = sof_ipc_get_ops(sdev, pcm);1710 struct snd_soc_tplg_stream_caps *caps;1711 struct snd_soc_tplg_private *private = &pcm->priv;1712 struct snd_sof_pcm *spcm;1713 int stream;1714 int ret;1715 1716 /* nothing to do for BEs atm */1717 if (!pcm)1718 return 0;1719 1720 spcm = kzalloc(sizeof(*spcm), GFP_KERNEL);1721 if (!spcm)1722 return -ENOMEM;1723 1724 spcm->scomp = scomp;1725 1726 for_each_pcm_streams(stream) {1727 spcm->stream[stream].comp_id = COMP_ID_UNASSIGNED;1728 if (pcm->compress)1729 snd_sof_compr_init_elapsed_work(&spcm->stream[stream].period_elapsed_work);1730 else1731 snd_sof_pcm_init_elapsed_work(&spcm->stream[stream].period_elapsed_work);1732 }1733 1734 spcm->pcm = *pcm;1735 dev_dbg(scomp->dev, "tplg: load pcm %s\n", pcm->dai_name);1736 1737 /* perform pcm set op */1738 if (ipc_pcm_ops && ipc_pcm_ops->pcm_setup) {1739 ret = ipc_pcm_ops->pcm_setup(sdev, spcm);1740 if (ret < 0) {1741 kfree(spcm);1742 return ret;1743 }1744 }1745 1746 dai_drv->dobj.private = spcm;1747 list_add(&spcm->list, &sdev->pcm_list);1748 1749 ret = sof_parse_tokens(scomp, spcm, stream_tokens,1750 ARRAY_SIZE(stream_tokens), private->array,1751 le32_to_cpu(private->size));1752 if (ret) {1753 dev_err(scomp->dev, "error: parse stream tokens failed %d\n",1754 le32_to_cpu(private->size));1755 return ret;1756 }1757 1758 /* do we need to allocate playback PCM DMA pages */1759 if (!spcm->pcm.playback)1760 goto capture;1761 1762 stream = SNDRV_PCM_STREAM_PLAYBACK;1763 1764 caps = &spcm->pcm.caps[stream];1765 1766 /* allocate playback page table buffer */1767 ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev,1768 PAGE_SIZE, &spcm->stream[stream].page_table);1769 if (ret < 0) {1770 dev_err(scomp->dev, "error: can't alloc page table for %s %d\n",1771 caps->name, ret);1772 1773 return ret;1774 }1775 1776 /* bind pcm to host comp */1777 ret = spcm_bind(scomp, spcm, stream);1778 if (ret) {1779 dev_err(scomp->dev,1780 "error: can't bind pcm to host\n");1781 goto free_playback_tables;1782 }1783 1784capture:1785 stream = SNDRV_PCM_STREAM_CAPTURE;1786 1787 /* do we need to allocate capture PCM DMA pages */1788 if (!spcm->pcm.capture)1789 return ret;1790 1791 caps = &spcm->pcm.caps[stream];1792 1793 /* allocate capture page table buffer */1794 ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev,1795 PAGE_SIZE, &spcm->stream[stream].page_table);1796 if (ret < 0) {1797 dev_err(scomp->dev, "error: can't alloc page table for %s %d\n",1798 caps->name, ret);1799 goto free_playback_tables;1800 }1801 1802 /* bind pcm to host comp */1803 ret = spcm_bind(scomp, spcm, stream);1804 if (ret) {1805 dev_err(scomp->dev,1806 "error: can't bind pcm to host\n");1807 snd_dma_free_pages(&spcm->stream[stream].page_table);1808 goto free_playback_tables;1809 }1810 1811 return ret;1812 1813free_playback_tables:1814 if (spcm->pcm.playback)1815 snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table);1816 1817 return ret;1818}1819 1820static int sof_dai_unload(struct snd_soc_component *scomp,1821 struct snd_soc_dobj *dobj)1822{1823 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);1824 const struct sof_ipc_pcm_ops *ipc_pcm_ops = sof_ipc_get_ops(sdev, pcm);1825 struct snd_sof_pcm *spcm = dobj->private;1826 1827 /* free PCM DMA pages */1828 if (spcm->pcm.playback)1829 snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table);1830 1831 if (spcm->pcm.capture)1832 snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_CAPTURE].page_table);1833 1834 /* perform pcm free op */1835 if (ipc_pcm_ops && ipc_pcm_ops->pcm_free)1836 ipc_pcm_ops->pcm_free(sdev, spcm);1837 1838 /* remove from list and free spcm */1839 list_del(&spcm->list);1840 kfree(spcm);1841 1842 return 0;1843}1844 1845static const struct sof_topology_token common_dai_link_tokens[] = {1846 {SOF_TKN_DAI_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_dai_type,1847 offsetof(struct snd_sof_dai_link, type)},1848};1849 1850/* DAI link - used for any driver specific init */1851static int sof_link_load(struct snd_soc_component *scomp, int index, struct snd_soc_dai_link *link,1852 struct snd_soc_tplg_link_config *cfg)1853{1854 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);1855 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);1856 struct snd_soc_tplg_private *private = &cfg->priv;1857 const struct sof_token_info *token_list;1858 struct snd_sof_dai_link *slink;1859 u32 token_id = 0;1860 int num_tuples = 0;1861 int ret, num_sets;1862 1863 if (!link->platforms) {1864 dev_err(scomp->dev, "error: no platforms\n");1865 return -EINVAL;1866 }1867 link->platforms->name = dev_name(scomp->dev);1868 1869 if (tplg_ops && tplg_ops->link_setup) {1870 ret = tplg_ops->link_setup(sdev, link);1871 if (ret < 0)1872 return ret;1873 }1874 1875 /* Set nonatomic property for FE dai links as their trigger action involves IPC's */1876 if (!link->no_pcm) {1877 link->nonatomic = true;1878 return 0;1879 }1880 1881 /* check we have some tokens - we need at least DAI type */1882 if (le32_to_cpu(private->size) == 0) {1883 dev_err(scomp->dev, "error: expected tokens for DAI, none found\n");1884 return -EINVAL;1885 }1886 1887 slink = kzalloc(sizeof(*slink), GFP_KERNEL);1888 if (!slink)1889 return -ENOMEM;1890 1891 slink->num_hw_configs = le32_to_cpu(cfg->num_hw_configs);1892 slink->hw_configs = kmemdup_array(cfg->hw_config,1893 slink->num_hw_configs, sizeof(*slink->hw_configs),1894 GFP_KERNEL);1895 if (!slink->hw_configs) {1896 kfree(slink);1897 return -ENOMEM;1898 }1899 1900 slink->default_hw_cfg_id = le32_to_cpu(cfg->default_hw_config_id);1901 slink->link = link;1902 1903 dev_dbg(scomp->dev, "tplg: %d hw_configs found, default id: %d for dai link %s!\n",1904 slink->num_hw_configs, slink->default_hw_cfg_id, link->name);1905 1906 ret = sof_parse_tokens(scomp, slink, common_dai_link_tokens,1907 ARRAY_SIZE(common_dai_link_tokens),1908 private->array, le32_to_cpu(private->size));1909 if (ret < 0) {1910 dev_err(scomp->dev, "Failed tp parse common DAI link tokens\n");1911 kfree(slink->hw_configs);1912 kfree(slink);1913 return ret;1914 }1915 1916 token_list = tplg_ops ? tplg_ops->token_list : NULL;1917 if (!token_list)1918 goto out;1919 1920 /* calculate size of tuples array */1921 num_tuples += token_list[SOF_DAI_LINK_TOKENS].count;1922 num_sets = slink->num_hw_configs;1923 switch (slink->type) {1924 case SOF_DAI_INTEL_SSP:1925 token_id = SOF_SSP_TOKENS;1926 num_tuples += token_list[SOF_SSP_TOKENS].count * slink->num_hw_configs;1927 break;1928 case SOF_DAI_INTEL_DMIC:1929 token_id = SOF_DMIC_TOKENS;1930 num_tuples += token_list[SOF_DMIC_TOKENS].count;1931 1932 /* Allocate memory for max PDM controllers */1933 num_tuples += token_list[SOF_DMIC_PDM_TOKENS].count * SOF_DAI_INTEL_DMIC_NUM_CTRL;1934 break;1935 case SOF_DAI_INTEL_HDA:1936 token_id = SOF_HDA_TOKENS;1937 num_tuples += token_list[SOF_HDA_TOKENS].count;1938 break;1939 case SOF_DAI_INTEL_ALH:1940 token_id = SOF_ALH_TOKENS;1941 num_tuples += token_list[SOF_ALH_TOKENS].count;1942 break;1943 case SOF_DAI_IMX_SAI:1944 token_id = SOF_SAI_TOKENS;1945 num_tuples += token_list[SOF_SAI_TOKENS].count;1946 break;1947 case SOF_DAI_IMX_ESAI:1948 token_id = SOF_ESAI_TOKENS;1949 num_tuples += token_list[SOF_ESAI_TOKENS].count;1950 break;1951 case SOF_DAI_MEDIATEK_AFE:1952 token_id = SOF_AFE_TOKENS;1953 num_tuples += token_list[SOF_AFE_TOKENS].count;1954 break;1955 case SOF_DAI_AMD_DMIC:1956 token_id = SOF_ACPDMIC_TOKENS;1957 num_tuples += token_list[SOF_ACPDMIC_TOKENS].count;1958 break;1959 case SOF_DAI_AMD_BT:1960 case SOF_DAI_AMD_SP:1961 case SOF_DAI_AMD_HS:1962 case SOF_DAI_AMD_SP_VIRTUAL:1963 case SOF_DAI_AMD_HS_VIRTUAL:1964 token_id = SOF_ACPI2S_TOKENS;1965 num_tuples += token_list[SOF_ACPI2S_TOKENS].count;1966 break;1967 case SOF_DAI_IMX_MICFIL:1968 token_id = SOF_MICFIL_TOKENS;1969 num_tuples += token_list[SOF_MICFIL_TOKENS].count;1970 break;1971 case SOF_DAI_AMD_SDW:1972 token_id = SOF_ACP_SDW_TOKENS;1973 num_tuples += token_list[SOF_ACP_SDW_TOKENS].count;1974 break;1975 default:1976 break;1977 }1978 1979 /* allocate memory for tuples array */1980 slink->tuples = kcalloc(num_tuples, sizeof(*slink->tuples), GFP_KERNEL);1981 if (!slink->tuples) {1982 kfree(slink->hw_configs);1983 kfree(slink);1984 return -ENOMEM;1985 }1986 1987 if (token_list[SOF_DAI_LINK_TOKENS].tokens) {1988 /* parse one set of DAI link tokens */1989 ret = sof_copy_tuples(sdev, private->array, le32_to_cpu(private->size),1990 SOF_DAI_LINK_TOKENS, 1, slink->tuples,1991 num_tuples, &slink->num_tuples);1992 if (ret < 0) {1993 dev_err(scomp->dev, "failed to parse %s for dai link %s\n",1994 token_list[SOF_DAI_LINK_TOKENS].name, link->name);1995 goto err;1996 }1997 }1998 1999 /* nothing more to do if there are no DAI type-specific tokens defined */2000 if (!token_id || !token_list[token_id].tokens)2001 goto out;2002 2003 /* parse "num_sets" sets of DAI-specific tokens */2004 ret = sof_copy_tuples(sdev, private->array, le32_to_cpu(private->size),2005 token_id, num_sets, slink->tuples, num_tuples, &slink->num_tuples);2006 if (ret < 0) {2007 dev_err(scomp->dev, "failed to parse %s for dai link %s\n",2008 token_list[token_id].name, link->name);2009 goto err;2010 }2011 2012 /* for DMIC, also parse all sets of DMIC PDM tokens based on active PDM count */2013 if (token_id == SOF_DMIC_TOKENS) {2014 num_sets = sof_get_token_value(SOF_TKN_INTEL_DMIC_NUM_PDM_ACTIVE,2015 slink->tuples, slink->num_tuples);2016 2017 if (num_sets < 0) {2018 dev_err(sdev->dev, "Invalid active PDM count for %s\n", link->name);2019 ret = num_sets;2020 goto err;2021 }2022 2023 ret = sof_copy_tuples(sdev, private->array, le32_to_cpu(private->size),2024 SOF_DMIC_PDM_TOKENS, num_sets, slink->tuples,2025 num_tuples, &slink->num_tuples);2026 if (ret < 0) {2027 dev_err(scomp->dev, "failed to parse %s for dai link %s\n",2028 token_list[SOF_DMIC_PDM_TOKENS].name, link->name);2029 goto err;2030 }2031 }2032out:2033 link->dobj.private = slink;2034 list_add(&slink->list, &sdev->dai_link_list);2035 2036 return 0;2037 2038err:2039 kfree(slink->tuples);2040 kfree(slink->hw_configs);2041 kfree(slink);2042 2043 return ret;2044}2045 2046static int sof_link_unload(struct snd_soc_component *scomp, struct snd_soc_dobj *dobj)2047{2048 struct snd_sof_dai_link *slink = dobj->private;2049 2050 if (!slink)2051 return 0;2052 2053 slink->link->platforms->name = NULL;2054 2055 kfree(slink->tuples);2056 list_del(&slink->list);2057 kfree(slink->hw_configs);2058 kfree(slink);2059 dobj->private = NULL;2060 2061 return 0;2062}2063 2064/* DAI link - used for any driver specific init */2065static int sof_route_load(struct snd_soc_component *scomp, int index,2066 struct snd_soc_dapm_route *route)2067{2068 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);2069 struct snd_sof_widget *source_swidget, *sink_swidget;2070 struct snd_soc_dobj *dobj = &route->dobj;2071 struct snd_sof_route *sroute;2072 int ret = 0;2073 2074 /* allocate memory for sroute and connect */2075 sroute = kzalloc(sizeof(*sroute), GFP_KERNEL);2076 if (!sroute)2077 return -ENOMEM;2078 2079 sroute->scomp = scomp;2080 dev_dbg(scomp->dev, "sink %s control %s source %s\n",2081 route->sink, route->control ? route->control : "none",2082 route->source);2083 2084 /* source component */2085 source_swidget = snd_sof_find_swidget(scomp, (char *)route->source);2086 if (!source_swidget) {2087 dev_err(scomp->dev, "error: source %s not found\n",2088 route->source);2089 ret = -EINVAL;2090 goto err;2091 }2092 2093 /*2094 * Virtual widgets of type output/out_drv may be added in topology2095 * for compatibility. These are not handled by the FW.2096 * So, don't send routes whose source/sink widget is of such types2097 * to the DSP.2098 */2099 if (source_swidget->id == snd_soc_dapm_out_drv ||2100 source_swidget->id == snd_soc_dapm_output)2101 goto err;2102 2103 /* sink component */2104 sink_swidget = snd_sof_find_swidget(scomp, (char *)route->sink);2105 if (!sink_swidget) {2106 dev_err(scomp->dev, "error: sink %s not found\n",2107 route->sink);2108 ret = -EINVAL;2109 goto err;2110 }2111 2112 /*2113 * Don't send routes whose sink widget is of type2114 * output or out_drv to the DSP2115 */2116 if (sink_swidget->id == snd_soc_dapm_out_drv ||2117 sink_swidget->id == snd_soc_dapm_output)2118 goto err;2119 2120 sroute->route = route;2121 dobj->private = sroute;2122 sroute->src_widget = source_swidget;2123 sroute->sink_widget = sink_swidget;2124 2125 /* add route to route list */2126 list_add(&sroute->list, &sdev->route_list);2127 2128 return 0;2129err:2130 kfree(sroute);2131 return ret;2132}2133 2134/**2135 * sof_set_widget_pipeline - Set pipeline for a component2136 * @sdev: pointer to struct snd_sof_dev2137 * @spipe: pointer to struct snd_sof_pipeline2138 * @swidget: pointer to struct snd_sof_widget that has the same pipeline ID as @pipe_widget2139 *2140 * Return: 0 if successful, -EINVAL on error.2141 * The function checks if @swidget is associated with any volatile controls. If so, setting2142 * the dynamic_pipeline_widget is disallowed.2143 */2144static int sof_set_widget_pipeline(struct snd_sof_dev *sdev, struct snd_sof_pipeline *spipe,2145 struct snd_sof_widget *swidget)2146{2147 struct snd_sof_widget *pipe_widget = spipe->pipe_widget;2148 struct snd_sof_control *scontrol;2149 2150 if (pipe_widget->dynamic_pipeline_widget) {2151 /* dynamic widgets cannot have volatile kcontrols */2152 list_for_each_entry(scontrol, &sdev->kcontrol_list, list)2153 if (scontrol->comp_id == swidget->comp_id &&2154 (scontrol->access & SNDRV_CTL_ELEM_ACCESS_VOLATILE)) {2155 dev_err(sdev->dev,2156 "error: volatile control found for dynamic widget %s\n",2157 swidget->widget->name);2158 return -EINVAL;2159 }2160 }2161 2162 /* set the pipeline and apply the dynamic_pipeline_widget_flag */2163 swidget->spipe = spipe;2164 swidget->dynamic_pipeline_widget = pipe_widget->dynamic_pipeline_widget;2165 2166 return 0;2167}2168 2169/* completion - called at completion of firmware loading */2170static int sof_complete(struct snd_soc_component *scomp)2171{2172 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);2173 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);2174 const struct sof_ipc_tplg_widget_ops *widget_ops;2175 struct snd_sof_control *scontrol;2176 struct snd_sof_pipeline *spipe;2177 int ret;2178 2179 widget_ops = tplg_ops ? tplg_ops->widget : NULL;2180 2181 /* first update all control IPC structures based on the IPC version */2182 if (tplg_ops && tplg_ops->control_setup)2183 list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {2184 ret = tplg_ops->control_setup(sdev, scontrol);2185 if (ret < 0) {2186 dev_err(sdev->dev, "failed updating IPC struct for control %s\n",2187 scontrol->name);2188 return ret;2189 }2190 }2191 2192 /* set up the IPC structures for the pipeline widgets */2193 list_for_each_entry(spipe, &sdev->pipeline_list, list) {2194 struct snd_sof_widget *pipe_widget = spipe->pipe_widget;2195 struct snd_sof_widget *swidget;2196 2197 pipe_widget->instance_id = -EINVAL;2198 2199 /* Update the scheduler widget's IPC structure */2200 if (widget_ops && widget_ops[pipe_widget->id].ipc_setup) {2201 ret = widget_ops[pipe_widget->id].ipc_setup(pipe_widget);2202 if (ret < 0) {2203 dev_err(sdev->dev, "failed updating IPC struct for %s\n",2204 pipe_widget->widget->name);2205 return ret;2206 }2207 }2208 2209 /* set the pipeline and update the IPC structure for the non scheduler widgets */2210 list_for_each_entry(swidget, &sdev->widget_list, list)2211 if (swidget->widget->id != snd_soc_dapm_scheduler &&2212 swidget->pipeline_id == pipe_widget->pipeline_id) {2213 ret = sof_set_widget_pipeline(sdev, spipe, swidget);2214 if (ret < 0)2215 return ret;2216 2217 if (widget_ops && widget_ops[swidget->id].ipc_setup) {2218 ret = widget_ops[swidget->id].ipc_setup(swidget);2219 if (ret < 0) {2220 dev_err(sdev->dev,2221 "failed updating IPC struct for %s\n",2222 swidget->widget->name);2223 return ret;2224 }2225 }2226 }2227 }2228 2229 /* verify topology components loading including dynamic pipelines */2230 if (sof_debug_check_flag(SOF_DBG_VERIFY_TPLG)) {2231 if (tplg_ops && tplg_ops->set_up_all_pipelines &&2232 tplg_ops->tear_down_all_pipelines) {2233 ret = tplg_ops->set_up_all_pipelines(sdev, true);2234 if (ret < 0) {2235 dev_err(sdev->dev, "Failed to set up all topology pipelines: %d\n",2236 ret);2237 return ret;2238 }2239 2240 ret = tplg_ops->tear_down_all_pipelines(sdev, true);2241 if (ret < 0) {2242 dev_err(sdev->dev, "Failed to tear down topology pipelines: %d\n",2243 ret);2244 return ret;2245 }2246 }2247 }2248 2249 /* set up static pipelines */2250 if (tplg_ops && tplg_ops->set_up_all_pipelines)2251 return tplg_ops->set_up_all_pipelines(sdev, false);2252 2253 return 0;2254}2255 2256/* manifest - optional to inform component of manifest */2257static int sof_manifest(struct snd_soc_component *scomp, int index,2258 struct snd_soc_tplg_manifest *man)2259{2260 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);2261 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);2262 2263 if (tplg_ops && tplg_ops->parse_manifest)2264 return tplg_ops->parse_manifest(scomp, index, man);2265 2266 return 0;2267}2268 2269/* vendor specific kcontrol handlers available for binding */2270static const struct snd_soc_tplg_kcontrol_ops sof_io_ops[] = {2271 {SOF_TPLG_KCTL_VOL_ID, snd_sof_volume_get, snd_sof_volume_put},2272 {SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_get, snd_sof_bytes_put},2273 {SOF_TPLG_KCTL_ENUM_ID, snd_sof_enum_get, snd_sof_enum_put},2274 {SOF_TPLG_KCTL_SWITCH_ID, snd_sof_switch_get, snd_sof_switch_put},2275};2276 2277/* vendor specific bytes ext handlers available for binding */2278static const struct snd_soc_tplg_bytes_ext_ops sof_bytes_ext_ops[] = {2279 {SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_ext_get, snd_sof_bytes_ext_put},2280 {SOF_TPLG_KCTL_BYTES_VOLATILE_RO, snd_sof_bytes_ext_volatile_get},2281};2282 2283static const struct snd_soc_tplg_ops sof_tplg_ops = {2284 /* external kcontrol init - used for any driver specific init */2285 .control_load = sof_control_load,2286 .control_unload = sof_control_unload,2287 2288 /* external kcontrol init - used for any driver specific init */2289 .dapm_route_load = sof_route_load,2290 .dapm_route_unload = sof_route_unload,2291 2292 /* external widget init - used for any driver specific init */2293 /* .widget_load is not currently used */2294 .widget_ready = sof_widget_ready,2295 .widget_unload = sof_widget_unload,2296 2297 /* FE DAI - used for any driver specific init */2298 .dai_load = sof_dai_load,2299 .dai_unload = sof_dai_unload,2300 2301 /* DAI link - used for any driver specific init */2302 .link_load = sof_link_load,2303 .link_unload = sof_link_unload,2304 2305 /* completion - called at completion of firmware loading */2306 .complete = sof_complete,2307 2308 /* manifest - optional to inform component of manifest */2309 .manifest = sof_manifest,2310 2311 /* vendor specific kcontrol handlers available for binding */2312 .io_ops = sof_io_ops,2313 .io_ops_count = ARRAY_SIZE(sof_io_ops),2314 2315 /* vendor specific bytes ext handlers available for binding */2316 .bytes_ext_ops = sof_bytes_ext_ops,2317 .bytes_ext_ops_count = ARRAY_SIZE(sof_bytes_ext_ops),2318};2319 2320static int snd_sof_dspless_kcontrol(struct snd_kcontrol *kcontrol,2321 struct snd_ctl_elem_value *ucontrol)2322{2323 return 0;2324}2325 2326static const struct snd_soc_tplg_kcontrol_ops sof_dspless_io_ops[] = {2327 {SOF_TPLG_KCTL_VOL_ID, snd_sof_dspless_kcontrol, snd_sof_dspless_kcontrol},2328 {SOF_TPLG_KCTL_BYTES_ID, snd_sof_dspless_kcontrol, snd_sof_dspless_kcontrol},2329 {SOF_TPLG_KCTL_ENUM_ID, snd_sof_dspless_kcontrol, snd_sof_dspless_kcontrol},2330 {SOF_TPLG_KCTL_SWITCH_ID, snd_sof_dspless_kcontrol, snd_sof_dspless_kcontrol},2331};2332 2333static int snd_sof_dspless_bytes_ext_get(struct snd_kcontrol *kcontrol,2334 unsigned int __user *binary_data,2335 unsigned int size)2336{2337 return 0;2338}2339 2340static int snd_sof_dspless_bytes_ext_put(struct snd_kcontrol *kcontrol,2341 const unsigned int __user *binary_data,2342 unsigned int size)2343{2344 return 0;2345}2346 2347static const struct snd_soc_tplg_bytes_ext_ops sof_dspless_bytes_ext_ops[] = {2348 {SOF_TPLG_KCTL_BYTES_ID, snd_sof_dspless_bytes_ext_get, snd_sof_dspless_bytes_ext_put},2349 {SOF_TPLG_KCTL_BYTES_VOLATILE_RO, snd_sof_dspless_bytes_ext_get},2350};2351 2352/* external widget init - used for any driver specific init */2353static int sof_dspless_widget_ready(struct snd_soc_component *scomp, int index,2354 struct snd_soc_dapm_widget *w,2355 struct snd_soc_tplg_dapm_widget *tw)2356{2357 if (WIDGET_IS_DAI(w->id)) {2358 static const struct sof_topology_token dai_tokens[] = {2359 {SOF_TKN_DAI_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_dai_type, 0}};2360 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);2361 struct snd_soc_tplg_private *priv = &tw->priv;2362 struct snd_sof_widget *swidget;2363 struct snd_sof_dai *sdai;2364 int ret;2365 2366 swidget = kzalloc(sizeof(*swidget), GFP_KERNEL);2367 if (!swidget)2368 return -ENOMEM;2369 2370 sdai = kzalloc(sizeof(*sdai), GFP_KERNEL);2371 if (!sdai) {2372 kfree(swidget);2373 return -ENOMEM;2374 }2375 2376 ret = sof_parse_tokens(scomp, &sdai->type, dai_tokens, ARRAY_SIZE(dai_tokens),2377 priv->array, le32_to_cpu(priv->size));2378 if (ret < 0) {2379 dev_err(scomp->dev, "Failed to parse DAI tokens for %s\n", tw->name);2380 kfree(swidget);2381 kfree(sdai);2382 return ret;2383 }2384 2385 ret = sof_connect_dai_widget(scomp, w, tw, sdai);2386 if (ret) {2387 kfree(swidget);2388 kfree(sdai);2389 return ret;2390 }2391 2392 swidget->scomp = scomp;2393 swidget->widget = w;2394 swidget->private = sdai;2395 mutex_init(&swidget->setup_mutex);2396 w->dobj.private = swidget;2397 list_add(&swidget->list, &sdev->widget_list);2398 }2399 2400 return 0;2401}2402 2403static int sof_dspless_widget_unload(struct snd_soc_component *scomp,2404 struct snd_soc_dobj *dobj)2405{2406 struct snd_soc_dapm_widget *w = container_of(dobj, struct snd_soc_dapm_widget, dobj);2407 2408 if (WIDGET_IS_DAI(w->id)) {2409 struct snd_sof_widget *swidget = dobj->private;2410 2411 sof_disconnect_dai_widget(scomp, w);2412 2413 if (!swidget)2414 return 0;2415 2416 /* remove and free swidget object */2417 list_del(&swidget->list);2418 kfree(swidget->private);2419 kfree(swidget);2420 }2421 2422 return 0;2423}2424 2425static int sof_dspless_link_load(struct snd_soc_component *scomp, int index,2426 struct snd_soc_dai_link *link,2427 struct snd_soc_tplg_link_config *cfg)2428{2429 link->platforms->name = dev_name(scomp->dev);2430 2431 /* Set nonatomic property for FE dai links for FE-BE compatibility */2432 if (!link->no_pcm)2433 link->nonatomic = true;2434 2435 return 0;2436}2437 2438static const struct snd_soc_tplg_ops sof_dspless_tplg_ops = {2439 /* external widget init - used for any driver specific init */2440 .widget_ready = sof_dspless_widget_ready,2441 .widget_unload = sof_dspless_widget_unload,2442 2443 /* FE DAI - used for any driver specific init */2444 .dai_load = sof_dai_load,2445 .dai_unload = sof_dai_unload,2446 2447 /* DAI link - used for any driver specific init */2448 .link_load = sof_dspless_link_load,2449 2450 /* vendor specific kcontrol handlers available for binding */2451 .io_ops = sof_dspless_io_ops,2452 .io_ops_count = ARRAY_SIZE(sof_dspless_io_ops),2453 2454 /* vendor specific bytes ext handlers available for binding */2455 .bytes_ext_ops = sof_dspless_bytes_ext_ops,2456 .bytes_ext_ops_count = ARRAY_SIZE(sof_dspless_bytes_ext_ops),2457};2458 2459int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file)2460{2461 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);2462 const struct firmware *fw;2463 int ret;2464 2465 dev_dbg(scomp->dev, "loading topology:%s\n", file);2466 2467 ret = request_firmware(&fw, file, scomp->dev);2468 if (ret < 0) {2469 dev_err(scomp->dev, "error: tplg request firmware %s failed err: %d\n",2470 file, ret);2471 dev_err(scomp->dev,2472 "you may need to download the firmware from https://github.com/thesofproject/sof-bin/\n");2473 return ret;2474 }2475 2476 if (sdev->dspless_mode_selected)2477 ret = snd_soc_tplg_component_load(scomp, &sof_dspless_tplg_ops, fw);2478 else2479 ret = snd_soc_tplg_component_load(scomp, &sof_tplg_ops, fw);2480 2481 if (ret < 0) {2482 dev_err(scomp->dev, "error: tplg component load failed %d\n",2483 ret);2484 ret = -EINVAL;2485 }2486 2487 release_firmware(fw);2488 2489 if (ret >= 0 && sdev->led_present)2490 ret = snd_ctl_led_request();2491 2492 return ret;2493}2494EXPORT_SYMBOL(snd_sof_load_topology);2495