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- // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
- //
- // This file is provided under a dual BSD/GPLv2 license. When using or
- // redistributing this file, you may do so under either license.
- //
- // Copyright(c) 2018 Intel Corporation. All rights reserved.
- //
- // Author: Liam Girdwood <[email protected]>
- //
- #include <linux/bits.h>
- #include <linux/device.h>
- #include <linux/errno.h>
- #include <linux/firmware.h>
- #include <linux/workqueue.h>
- #include <sound/tlv.h>
- #include <uapi/sound/sof/tokens.h>
- #include "sof-priv.h"
- #include "sof-audio.h"
- #include "ops.h"
- #define COMP_ID_UNASSIGNED 0xffffffff
- /*
- * Constants used in the computation of linear volume gain
- * from dB gain 20th root of 10 in Q1.16 fixed-point notation
- */
- #define VOL_TWENTIETH_ROOT_OF_TEN 73533
- /* 40th root of 10 in Q1.16 fixed-point notation*/
- #define VOL_FORTIETH_ROOT_OF_TEN 69419
- /* 0.5 dB step value in topology TLV */
- #define VOL_HALF_DB_STEP 50
- /* TLV data items */
- #define TLV_MIN 0
- #define TLV_STEP 1
- #define TLV_MUTE 2
- /**
- * sof_update_ipc_object - Parse multiple sets of tokens within the token array associated with the
- * token ID.
- * @scomp: pointer to SOC component
- * @object: target IPC struct to save the parsed values
- * @token_id: token ID for the token array to be searched
- * @tuples: pointer to the tuples array
- * @num_tuples: number of tuples in the tuples array
- * @object_size: size of the object
- * @token_instance_num: number of times the same @token_id needs to be parsed i.e. the function
- * looks for @token_instance_num of each token in the token array associated
- * with the @token_id
- */
- int sof_update_ipc_object(struct snd_soc_component *scomp, void *object, enum sof_tokens token_id,
- struct snd_sof_tuple *tuples, int num_tuples,
- size_t object_size, int token_instance_num)
- {
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
- const struct sof_ipc_tplg_ops *ipc_tplg_ops = sdev->ipc->ops->tplg;
- const struct sof_token_info *token_list = ipc_tplg_ops->token_list;
- const struct sof_topology_token *tokens;
- int i, j;
- if (token_list[token_id].count < 0) {
- dev_err(scomp->dev, "Invalid token count for token ID: %d\n", token_id);
- return -EINVAL;
- }
- /* No tokens to match */
- if (!token_list[token_id].count)
- return 0;
- tokens = token_list[token_id].tokens;
- if (!tokens) {
- dev_err(scomp->dev, "Invalid tokens for token id: %d\n", token_id);
- return -EINVAL;
- }
- for (i = 0; i < token_list[token_id].count; i++) {
- int offset = 0;
- int num_tokens_matched = 0;
- for (j = 0; j < num_tuples; j++) {
- if (tokens[i].token == tuples[j].token) {
- switch (tokens[i].type) {
- case SND_SOC_TPLG_TUPLE_TYPE_WORD:
- {
- u32 *val = (u32 *)((u8 *)object + tokens[i].offset +
- offset);
- *val = tuples[j].value.v;
- break;
- }
- case SND_SOC_TPLG_TUPLE_TYPE_SHORT:
- case SND_SOC_TPLG_TUPLE_TYPE_BOOL:
- {
- u16 *val = (u16 *)((u8 *)object + tokens[i].offset +
- offset);
- *val = (u16)tuples[j].value.v;
- break;
- }
- case SND_SOC_TPLG_TUPLE_TYPE_STRING:
- {
- if (!tokens[i].get_token) {
- dev_err(scomp->dev,
- "get_token not defined for token %d in %s\n",
- tokens[i].token, token_list[token_id].name);
- return -EINVAL;
- }
- tokens[i].get_token((void *)tuples[j].value.s, object,
- tokens[i].offset + offset);
- break;
- }
- default:
- break;
- }
- num_tokens_matched++;
- /* found all required sets of current token. Move to the next one */
- if (!(num_tokens_matched % token_instance_num))
- break;
- /* move to the next object */
- offset += object_size;
- }
- }
- }
- return 0;
- }
- static inline int get_tlv_data(const int *p, int tlv[SOF_TLV_ITEMS])
- {
- /* we only support dB scale TLV type at the moment */
- if ((int)p[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE)
- return -EINVAL;
- /* min value in topology tlv data is multiplied by 100 */
- tlv[TLV_MIN] = (int)p[SNDRV_CTL_TLVO_DB_SCALE_MIN] / 100;
- /* volume steps */
- tlv[TLV_STEP] = (int)(p[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] &
- TLV_DB_SCALE_MASK);
- /* mute ON/OFF */
- if ((p[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] &
- TLV_DB_SCALE_MUTE) == 0)
- tlv[TLV_MUTE] = 0;
- else
- tlv[TLV_MUTE] = 1;
- return 0;
- }
- /*
- * Function to truncate an unsigned 64-bit number
- * by x bits and return 32-bit unsigned number. This
- * function also takes care of rounding while truncating
- */
- static inline u32 vol_shift_64(u64 i, u32 x)
- {
- /* do not truncate more than 32 bits */
- if (x > 32)
- x = 32;
- if (x == 0)
- return (u32)i;
- return (u32)(((i >> (x - 1)) + 1) >> 1);
- }
- /*
- * Function to compute a ^ exp where,
- * a is a fractional number represented by a fixed-point
- * integer with a fractional world length of "fwl"
- * exp is an integer
- * fwl is the fractional word length
- * Return value is a fractional number represented by a
- * fixed-point integer with a fractional word length of "fwl"
- */
- static u32 vol_pow32(u32 a, int exp, u32 fwl)
- {
- int i, iter;
- u32 power = 1 << fwl;
- u64 numerator;
- /* if exponent is 0, return 1 */
- if (exp == 0)
- return power;
- /* determine the number of iterations based on the exponent */
- if (exp < 0)
- iter = exp * -1;
- else
- iter = exp;
- /* mutiply a "iter" times to compute power */
- for (i = 0; i < iter; i++) {
- /*
- * Product of 2 Qx.fwl fixed-point numbers yields a Q2*x.2*fwl
- * Truncate product back to fwl fractional bits with rounding
- */
- power = vol_shift_64((u64)power * a, fwl);
- }
- if (exp > 0) {
- /* if exp is positive, return the result */
- return power;
- }
- /* if exp is negative, return the multiplicative inverse */
- numerator = (u64)1 << (fwl << 1);
- do_div(numerator, power);
- return (u32)numerator;
- }
- /*
- * Function to calculate volume gain from TLV data.
- * This function can only handle gain steps that are multiples of 0.5 dB
- */
- u32 vol_compute_gain(u32 value, int *tlv)
- {
- int dB_gain;
- u32 linear_gain;
- int f_step;
- /* mute volume */
- if (value == 0 && tlv[TLV_MUTE])
- return 0;
- /*
- * compute dB gain from tlv. tlv_step
- * in topology is multiplied by 100
- */
- dB_gain = tlv[TLV_MIN] + (value * tlv[TLV_STEP]) / 100;
- /*
- * compute linear gain represented by fixed-point
- * int with VOLUME_FWL fractional bits
- */
- linear_gain = vol_pow32(VOL_TWENTIETH_ROOT_OF_TEN, dB_gain, VOLUME_FWL);
- /* extract the fractional part of volume step */
- f_step = tlv[TLV_STEP] - (tlv[TLV_STEP] / 100);
- /* if volume step is an odd multiple of 0.5 dB */
- if (f_step == VOL_HALF_DB_STEP && (value & 1))
- linear_gain = vol_shift_64((u64)linear_gain *
- VOL_FORTIETH_ROOT_OF_TEN,
- VOLUME_FWL);
- return linear_gain;
- }
- /*
- * Set up volume table for kcontrols from tlv data
- * "size" specifies the number of entries in the table
- */
- static int set_up_volume_table(struct snd_sof_control *scontrol,
- int tlv[SOF_TLV_ITEMS], int size)
- {
- struct snd_soc_component *scomp = scontrol->scomp;
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
- const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
- if (tplg_ops->control->set_up_volume_table)
- return tplg_ops->control->set_up_volume_table(scontrol, tlv, size);
- dev_err(scomp->dev, "Mandatory op %s not set\n", __func__);
- return -EINVAL;
- }
- struct sof_dai_types {
- const char *name;
- enum sof_ipc_dai_type type;
- };
- static const struct sof_dai_types sof_dais[] = {
- {"SSP", SOF_DAI_INTEL_SSP},
- {"HDA", SOF_DAI_INTEL_HDA},
- {"DMIC", SOF_DAI_INTEL_DMIC},
- {"ALH", SOF_DAI_INTEL_ALH},
- {"SAI", SOF_DAI_IMX_SAI},
- {"ESAI", SOF_DAI_IMX_ESAI},
- {"ACP", SOF_DAI_AMD_BT},
- {"ACPSP", SOF_DAI_AMD_SP},
- {"ACPDMIC", SOF_DAI_AMD_DMIC},
- {"ACPHS", SOF_DAI_AMD_HS},
- {"AFE", SOF_DAI_MEDIATEK_AFE},
- };
- static enum sof_ipc_dai_type find_dai(const char *name)
- {
- int i;
- for (i = 0; i < ARRAY_SIZE(sof_dais); i++) {
- if (strcmp(name, sof_dais[i].name) == 0)
- return sof_dais[i].type;
- }
- return SOF_DAI_INTEL_NONE;
- }
- /*
- * Supported Frame format types and lookup, add new ones to end of list.
- */
- struct sof_frame_types {
- const char *name;
- enum sof_ipc_frame frame;
- };
- static const struct sof_frame_types sof_frames[] = {
- {"s16le", SOF_IPC_FRAME_S16_LE},
- {"s24le", SOF_IPC_FRAME_S24_4LE},
- {"s32le", SOF_IPC_FRAME_S32_LE},
- {"float", SOF_IPC_FRAME_FLOAT},
- };
- static enum sof_ipc_frame find_format(const char *name)
- {
- int i;
- for (i = 0; i < ARRAY_SIZE(sof_frames); i++) {
- if (strcmp(name, sof_frames[i].name) == 0)
- return sof_frames[i].frame;
- }
- /* use s32le if nothing is specified */
- return SOF_IPC_FRAME_S32_LE;
- }
- int get_token_u32(void *elem, void *object, u32 offset)
- {
- struct snd_soc_tplg_vendor_value_elem *velem = elem;
- u32 *val = (u32 *)((u8 *)object + offset);
- *val = le32_to_cpu(velem->value);
- return 0;
- }
- int get_token_u16(void *elem, void *object, u32 offset)
- {
- struct snd_soc_tplg_vendor_value_elem *velem = elem;
- u16 *val = (u16 *)((u8 *)object + offset);
- *val = (u16)le32_to_cpu(velem->value);
- return 0;
- }
- int get_token_uuid(void *elem, void *object, u32 offset)
- {
- struct snd_soc_tplg_vendor_uuid_elem *velem = elem;
- u8 *dst = (u8 *)object + offset;
- memcpy(dst, velem->uuid, UUID_SIZE);
- return 0;
- }
- int get_token_comp_format(void *elem, void *object, u32 offset)
- {
- u32 *val = (u32 *)((u8 *)object + offset);
- *val = find_format((const char *)elem);
- return 0;
- }
- int get_token_dai_type(void *elem, void *object, u32 offset)
- {
- u32 *val = (u32 *)((u8 *)object + offset);
- *val = find_dai((const char *)elem);
- return 0;
- }
- /* PCM */
- static const struct sof_topology_token stream_tokens[] = {
- {SOF_TKN_STREAM_PLAYBACK_COMPATIBLE_D0I3, SND_SOC_TPLG_TUPLE_TYPE_BOOL, get_token_u16,
- offsetof(struct snd_sof_pcm, stream[0].d0i3_compatible)},
- {SOF_TKN_STREAM_CAPTURE_COMPATIBLE_D0I3, SND_SOC_TPLG_TUPLE_TYPE_BOOL, get_token_u16,
- offsetof(struct snd_sof_pcm, stream[1].d0i3_compatible)},
- };
- /* Leds */
- static const struct sof_topology_token led_tokens[] = {
- {SOF_TKN_MUTE_LED_USE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
- offsetof(struct snd_sof_led_control, use_led)},
- {SOF_TKN_MUTE_LED_DIRECTION, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
- offsetof(struct snd_sof_led_control, direction)},
- };
- /**
- * sof_parse_uuid_tokens - Parse multiple sets of UUID tokens
- * @scomp: pointer to soc component
- * @object: target ipc struct for parsed values
- * @offset: offset within the object pointer
- * @tokens: array of struct sof_topology_token containing the tokens to be matched
- * @num_tokens: number of tokens in tokens array
- * @array: source pointer to consecutive vendor arrays in topology
- *
- * This function parses multiple sets of string type tokens in vendor arrays
- */
- static int sof_parse_uuid_tokens(struct snd_soc_component *scomp,
- void *object, size_t offset,
- const struct sof_topology_token *tokens, int num_tokens,
- struct snd_soc_tplg_vendor_array *array)
- {
- struct snd_soc_tplg_vendor_uuid_elem *elem;
- int found = 0;
- int i, j;
- /* parse element by element */
- for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
- elem = &array->uuid[i];
- /* search for token */
- for (j = 0; j < num_tokens; j++) {
- /* match token type */
- if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_UUID)
- continue;
- /* match token id */
- if (tokens[j].token != le32_to_cpu(elem->token))
- continue;
- /* matched - now load token */
- tokens[j].get_token(elem, object,
- offset + tokens[j].offset);
- found++;
- }
- }
- return found;
- }
- /**
- * sof_copy_tuples - Parse tokens and copy them to the @tuples array
- * @sdev: pointer to struct snd_sof_dev
- * @array: source pointer to consecutive vendor arrays in topology
- * @array_size: size of @array
- * @token_id: Token ID associated with a token array
- * @token_instance_num: number of times the same @token_id needs to be parsed i.e. the function
- * looks for @token_instance_num of each token in the token array associated
- * with the @token_id
- * @tuples: tuples array to copy the matched tuples to
- * @tuples_size: size of @tuples
- * @num_copied_tuples: pointer to the number of copied tuples in the tuples array
- *
- */
- static int sof_copy_tuples(struct snd_sof_dev *sdev, struct snd_soc_tplg_vendor_array *array,
- int array_size, u32 token_id, int token_instance_num,
- struct snd_sof_tuple *tuples, int tuples_size, int *num_copied_tuples)
- {
- const struct sof_ipc_tplg_ops *ipc_tplg_ops = sdev->ipc->ops->tplg;
- const struct sof_token_info *token_list = ipc_tplg_ops->token_list;
- const struct sof_topology_token *tokens;
- int found = 0;
- int num_tokens, asize;
- int i, j;
- /* nothing to do if token_list is NULL */
- if (!token_list)
- return 0;
- if (!tuples || !num_copied_tuples) {
- dev_err(sdev->dev, "Invalid tuples array\n");
- return -EINVAL;
- }
- tokens = token_list[token_id].tokens;
- num_tokens = token_list[token_id].count;
- if (!tokens) {
- dev_err(sdev->dev, "No token array defined for token ID: %d\n", token_id);
- return -EINVAL;
- }
- /* check if there's space in the tuples array for new tokens */
- if (*num_copied_tuples >= tuples_size) {
- dev_err(sdev->dev, "No space in tuples array for new tokens from %s",
- token_list[token_id].name);
- return -EINVAL;
- }
- while (array_size > 0 && found < num_tokens * token_instance_num) {
- asize = le32_to_cpu(array->size);
- /* validate asize */
- if (asize < 0) {
- dev_err(sdev->dev, "Invalid array size 0x%x\n", asize);
- return -EINVAL;
- }
- /* make sure there is enough data before parsing */
- array_size -= asize;
- if (array_size < 0) {
- dev_err(sdev->dev, "Invalid array size 0x%x\n", asize);
- return -EINVAL;
- }
- /* parse element by element */
- for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
- /* search for token */
- for (j = 0; j < num_tokens; j++) {
- /* match token type */
- if (!(tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_WORD ||
- tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_SHORT ||
- tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BYTE ||
- tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BOOL ||
- tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_STRING))
- continue;
- if (tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_STRING) {
- struct snd_soc_tplg_vendor_string_elem *elem;
- elem = &array->string[i];
- /* match token id */
- if (tokens[j].token != le32_to_cpu(elem->token))
- continue;
- tuples[*num_copied_tuples].token = tokens[j].token;
- tuples[*num_copied_tuples].value.s = elem->string;
- } else {
- struct snd_soc_tplg_vendor_value_elem *elem;
- elem = &array->value[i];
- /* match token id */
- if (tokens[j].token != le32_to_cpu(elem->token))
- continue;
- tuples[*num_copied_tuples].token = tokens[j].token;
- tuples[*num_copied_tuples].value.v =
- le32_to_cpu(elem->value);
- }
- found++;
- (*num_copied_tuples)++;
- /* stop if there's no space for any more new tuples */
- if (*num_copied_tuples == tuples_size)
- return 0;
- }
- /* stop when we've found the required token instances */
- if (found == num_tokens * token_instance_num)
- return 0;
- }
- /* next array */
- array = (struct snd_soc_tplg_vendor_array *)((u8 *)array + asize);
- }
- return 0;
- }
- /**
- * sof_parse_string_tokens - Parse multiple sets of tokens
- * @scomp: pointer to soc component
- * @object: target ipc struct for parsed values
- * @offset: offset within the object pointer
- * @tokens: array of struct sof_topology_token containing the tokens to be matched
- * @num_tokens: number of tokens in tokens array
- * @array: source pointer to consecutive vendor arrays in topology
- *
- * This function parses multiple sets of string type tokens in vendor arrays
- */
- static int sof_parse_string_tokens(struct snd_soc_component *scomp,
- void *object, int offset,
- const struct sof_topology_token *tokens, int num_tokens,
- struct snd_soc_tplg_vendor_array *array)
- {
- struct snd_soc_tplg_vendor_string_elem *elem;
- int found = 0;
- int i, j;
- /* parse element by element */
- for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
- elem = &array->string[i];
- /* search for token */
- for (j = 0; j < num_tokens; j++) {
- /* match token type */
- if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_STRING)
- continue;
- /* match token id */
- if (tokens[j].token != le32_to_cpu(elem->token))
- continue;
- /* matched - now load token */
- tokens[j].get_token(elem->string, object, offset + tokens[j].offset);
- found++;
- }
- }
- return found;
- }
- /**
- * sof_parse_word_tokens - Parse multiple sets of tokens
- * @scomp: pointer to soc component
- * @object: target ipc struct for parsed values
- * @offset: offset within the object pointer
- * @tokens: array of struct sof_topology_token containing the tokens to be matched
- * @num_tokens: number of tokens in tokens array
- * @array: source pointer to consecutive vendor arrays in topology
- *
- * This function parses multiple sets of word type tokens in vendor arrays
- */
- static int sof_parse_word_tokens(struct snd_soc_component *scomp,
- void *object, int offset,
- const struct sof_topology_token *tokens, int num_tokens,
- struct snd_soc_tplg_vendor_array *array)
- {
- struct snd_soc_tplg_vendor_value_elem *elem;
- int found = 0;
- int i, j;
- /* parse element by element */
- for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
- elem = &array->value[i];
- /* search for token */
- for (j = 0; j < num_tokens; j++) {
- /* match token type */
- if (!(tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_WORD ||
- tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_SHORT ||
- tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BYTE ||
- tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BOOL))
- continue;
- /* match token id */
- if (tokens[j].token != le32_to_cpu(elem->token))
- continue;
- /* load token */
- tokens[j].get_token(elem, object, offset + tokens[j].offset);
- found++;
- }
- }
- return found;
- }
- /**
- * sof_parse_token_sets - Parse multiple sets of tokens
- * @scomp: pointer to soc component
- * @object: target ipc struct for parsed values
- * @tokens: token definition array describing what tokens to parse
- * @count: number of tokens in definition array
- * @array: source pointer to consecutive vendor arrays in topology
- * @array_size: total size of @array
- * @token_instance_num: number of times the same tokens needs to be parsed i.e. the function
- * looks for @token_instance_num of each token in the @tokens
- * @object_size: offset to next target ipc struct with multiple sets
- *
- * This function parses multiple sets of tokens in vendor arrays into
- * consecutive ipc structs.
- */
- static int sof_parse_token_sets(struct snd_soc_component *scomp,
- void *object, const struct sof_topology_token *tokens,
- int count, struct snd_soc_tplg_vendor_array *array,
- int array_size, int token_instance_num, size_t object_size)
- {
- size_t offset = 0;
- int found = 0;
- int total = 0;
- int asize;
- while (array_size > 0 && total < count * token_instance_num) {
- asize = le32_to_cpu(array->size);
- /* validate asize */
- if (asize < 0) { /* FIXME: A zero-size array makes no sense */
- dev_err(scomp->dev, "error: invalid array size 0x%x\n",
- asize);
- return -EINVAL;
- }
- /* make sure there is enough data before parsing */
- array_size -= asize;
- if (array_size < 0) {
- dev_err(scomp->dev, "error: invalid array size 0x%x\n",
- asize);
- return -EINVAL;
- }
- /* call correct parser depending on type */
- switch (le32_to_cpu(array->type)) {
- case SND_SOC_TPLG_TUPLE_TYPE_UUID:
- found += sof_parse_uuid_tokens(scomp, object, offset, tokens, count,
- array);
- break;
- case SND_SOC_TPLG_TUPLE_TYPE_STRING:
- found += sof_parse_string_tokens(scomp, object, offset, tokens, count,
- array);
- break;
- case SND_SOC_TPLG_TUPLE_TYPE_BOOL:
- case SND_SOC_TPLG_TUPLE_TYPE_BYTE:
- case SND_SOC_TPLG_TUPLE_TYPE_WORD:
- case SND_SOC_TPLG_TUPLE_TYPE_SHORT:
- found += sof_parse_word_tokens(scomp, object, offset, tokens, count,
- array);
- break;
- default:
- dev_err(scomp->dev, "error: unknown token type %d\n",
- array->type);
- return -EINVAL;
- }
- /* next array */
- array = (struct snd_soc_tplg_vendor_array *)((u8 *)array
- + asize);
- /* move to next target struct */
- if (found >= count) {
- offset += object_size;
- total += found;
- found = 0;
- }
- }
- return 0;
- }
- /**
- * sof_parse_tokens - Parse one set of tokens
- * @scomp: pointer to soc component
- * @object: target ipc struct for parsed values
- * @tokens: token definition array describing what tokens to parse
- * @num_tokens: number of tokens in definition array
- * @array: source pointer to consecutive vendor arrays in topology
- * @array_size: total size of @array
- *
- * This function parses a single set of tokens in vendor arrays into
- * consecutive ipc structs.
- */
- static int sof_parse_tokens(struct snd_soc_component *scomp, void *object,
- const struct sof_topology_token *tokens, int num_tokens,
- struct snd_soc_tplg_vendor_array *array,
- int array_size)
- {
- /*
- * sof_parse_tokens is used when topology contains only a single set of
- * identical tuples arrays. So additional parameters to
- * sof_parse_token_sets are sets = 1 (only 1 set) and
- * object_size = 0 (irrelevant).
- */
- return sof_parse_token_sets(scomp, object, tokens, num_tokens, array,
- array_size, 1, 0);
- }
- /*
- * Standard Kcontrols.
- */
- static int sof_control_load_volume(struct snd_soc_component *scomp,
- struct snd_sof_control *scontrol,
- struct snd_kcontrol_new *kc,
- struct snd_soc_tplg_ctl_hdr *hdr)
- {
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
- struct snd_soc_tplg_mixer_control *mc =
- container_of(hdr, struct snd_soc_tplg_mixer_control, hdr);
- int tlv[SOF_TLV_ITEMS];
- unsigned int mask;
- int ret;
- /* validate topology data */
- if (le32_to_cpu(mc->num_channels) > SND_SOC_TPLG_MAX_CHAN)
- return -EINVAL;
- /*
- * If control has more than 2 channels we need to override the info. This is because even if
- * ASoC layer has defined topology's max channel count to SND_SOC_TPLG_MAX_CHAN = 8, the
- * pre-defined dapm control types (and related functions) creating the actual control
- * restrict the channels only to mono or stereo.
- */
- if (le32_to_cpu(mc->num_channels) > 2)
- kc->info = snd_sof_volume_info;
- scontrol->comp_id = sdev->next_comp_id;
- scontrol->min_volume_step = le32_to_cpu(mc->min);
- scontrol->max_volume_step = le32_to_cpu(mc->max);
- scontrol->num_channels = le32_to_cpu(mc->num_channels);
- scontrol->max = le32_to_cpu(mc->max);
- if (le32_to_cpu(mc->max) == 1)
- goto skip;
- /* extract tlv data */
- if (!kc->tlv.p || get_tlv_data(kc->tlv.p, tlv) < 0) {
- dev_err(scomp->dev, "error: invalid TLV data\n");
- return -EINVAL;
- }
- /* set up volume table */
- ret = set_up_volume_table(scontrol, tlv, le32_to_cpu(mc->max) + 1);
- if (ret < 0) {
- dev_err(scomp->dev, "error: setting up volume table\n");
- return ret;
- }
- skip:
- /* set up possible led control from mixer private data */
- ret = sof_parse_tokens(scomp, &scontrol->led_ctl, led_tokens,
- ARRAY_SIZE(led_tokens), mc->priv.array,
- le32_to_cpu(mc->priv.size));
- if (ret != 0) {
- dev_err(scomp->dev, "error: parse led tokens failed %d\n",
- le32_to_cpu(mc->priv.size));
- goto err;
- }
- if (scontrol->led_ctl.use_led) {
- mask = scontrol->led_ctl.direction ? SNDRV_CTL_ELEM_ACCESS_MIC_LED :
- SNDRV_CTL_ELEM_ACCESS_SPK_LED;
- scontrol->access &= ~SNDRV_CTL_ELEM_ACCESS_LED_MASK;
- scontrol->access |= mask;
- kc->access &= ~SNDRV_CTL_ELEM_ACCESS_LED_MASK;
- kc->access |= mask;
- sdev->led_present = true;
- }
- dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d\n",
- scontrol->comp_id, scontrol->num_channels);
- return 0;
- err:
- if (le32_to_cpu(mc->max) > 1)
- kfree(scontrol->volume_table);
- return ret;
- }
- static int sof_control_load_enum(struct snd_soc_component *scomp,
- struct snd_sof_control *scontrol,
- struct snd_kcontrol_new *kc,
- struct snd_soc_tplg_ctl_hdr *hdr)
- {
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
- struct snd_soc_tplg_enum_control *ec =
- container_of(hdr, struct snd_soc_tplg_enum_control, hdr);
- /* validate topology data */
- if (le32_to_cpu(ec->num_channels) > SND_SOC_TPLG_MAX_CHAN)
- return -EINVAL;
- scontrol->comp_id = sdev->next_comp_id;
- scontrol->num_channels = le32_to_cpu(ec->num_channels);
- dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d comp_id %d\n",
- scontrol->comp_id, scontrol->num_channels, scontrol->comp_id);
- return 0;
- }
- static int sof_control_load_bytes(struct snd_soc_component *scomp,
- struct snd_sof_control *scontrol,
- struct snd_kcontrol_new *kc,
- struct snd_soc_tplg_ctl_hdr *hdr)
- {
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
- struct snd_soc_tplg_bytes_control *control =
- container_of(hdr, struct snd_soc_tplg_bytes_control, hdr);
- struct soc_bytes_ext *sbe = (struct soc_bytes_ext *)kc->private_value;
- size_t priv_size = le32_to_cpu(control->priv.size);
- scontrol->max_size = sbe->max;
- scontrol->comp_id = sdev->next_comp_id;
- dev_dbg(scomp->dev, "tplg: load kcontrol index %d\n", scontrol->comp_id);
- /* copy the private data */
- if (priv_size > 0) {
- scontrol->priv = kmemdup(control->priv.data, priv_size, GFP_KERNEL);
- if (!scontrol->priv)
- return -ENOMEM;
- scontrol->priv_size = priv_size;
- }
- return 0;
- }
- /* external kcontrol init - used for any driver specific init */
- static int sof_control_load(struct snd_soc_component *scomp, int index,
- struct snd_kcontrol_new *kc,
- struct snd_soc_tplg_ctl_hdr *hdr)
- {
- struct soc_mixer_control *sm;
- struct soc_bytes_ext *sbe;
- struct soc_enum *se;
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
- struct snd_soc_dobj *dobj;
- struct snd_sof_control *scontrol;
- int ret;
- dev_dbg(scomp->dev, "tplg: load control type %d name : %s\n",
- hdr->type, hdr->name);
- scontrol = kzalloc(sizeof(*scontrol), GFP_KERNEL);
- if (!scontrol)
- return -ENOMEM;
- scontrol->name = kstrdup(hdr->name, GFP_KERNEL);
- if (!scontrol->name) {
- kfree(scontrol);
- return -ENOMEM;
- }
- scontrol->scomp = scomp;
- scontrol->access = kc->access;
- scontrol->info_type = le32_to_cpu(hdr->ops.info);
- scontrol->index = kc->index;
- switch (le32_to_cpu(hdr->ops.info)) {
- case SND_SOC_TPLG_CTL_VOLSW:
- case SND_SOC_TPLG_CTL_VOLSW_SX:
- case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
- sm = (struct soc_mixer_control *)kc->private_value;
- dobj = &sm->dobj;
- ret = sof_control_load_volume(scomp, scontrol, kc, hdr);
- break;
- case SND_SOC_TPLG_CTL_BYTES:
- sbe = (struct soc_bytes_ext *)kc->private_value;
- dobj = &sbe->dobj;
- ret = sof_control_load_bytes(scomp, scontrol, kc, hdr);
- break;
- case SND_SOC_TPLG_CTL_ENUM:
- case SND_SOC_TPLG_CTL_ENUM_VALUE:
- se = (struct soc_enum *)kc->private_value;
- dobj = &se->dobj;
- ret = sof_control_load_enum(scomp, scontrol, kc, hdr);
- break;
- case SND_SOC_TPLG_CTL_RANGE:
- case SND_SOC_TPLG_CTL_STROBE:
- case SND_SOC_TPLG_DAPM_CTL_VOLSW:
- case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
- case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
- case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
- case SND_SOC_TPLG_DAPM_CTL_PIN:
- default:
- dev_warn(scomp->dev, "control type not supported %d:%d:%d\n",
- hdr->ops.get, hdr->ops.put, hdr->ops.info);
- kfree(scontrol->name);
- kfree(scontrol);
- return 0;
- }
- if (ret < 0) {
- kfree(scontrol->name);
- kfree(scontrol);
- return ret;
- }
- scontrol->led_ctl.led_value = -1;
- dobj->private = scontrol;
- list_add(&scontrol->list, &sdev->kcontrol_list);
- return 0;
- }
- static int sof_control_unload(struct snd_soc_component *scomp,
- struct snd_soc_dobj *dobj)
- {
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
- const struct sof_ipc_tplg_ops *ipc_tplg_ops = sdev->ipc->ops->tplg;
- struct snd_sof_control *scontrol = dobj->private;
- int ret = 0;
- dev_dbg(scomp->dev, "tplg: unload control name : %s\n", scontrol->name);
- if (ipc_tplg_ops->control_free) {
- ret = ipc_tplg_ops->control_free(sdev, scontrol);
- if (ret < 0)
- dev_err(scomp->dev, "failed to free control: %s\n", scontrol->name);
- }
- /* free all data before returning in case of error too */
- kfree(scontrol->ipc_control_data);
- kfree(scontrol->priv);
- kfree(scontrol->name);
- list_del(&scontrol->list);
- kfree(scontrol);
- return ret;
- }
- /*
- * DAI Topology
- */
- static int sof_connect_dai_widget(struct snd_soc_component *scomp,
- struct snd_soc_dapm_widget *w,
- struct snd_soc_tplg_dapm_widget *tw,
- struct snd_sof_dai *dai)
- {
- struct snd_soc_card *card = scomp->card;
- struct snd_soc_pcm_runtime *rtd;
- struct snd_soc_dai *cpu_dai;
- int i;
- if (!w->sname) {
- dev_err(scomp->dev, "Widget %s does not have stream\n", w->name);
- return -EINVAL;
- }
- list_for_each_entry(rtd, &card->rtd_list, list) {
- /* does stream match DAI link ? */
- if (!rtd->dai_link->stream_name ||
- strcmp(w->sname, rtd->dai_link->stream_name))
- continue;
- switch (w->id) {
- case snd_soc_dapm_dai_out:
- for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
- /*
- * Please create DAI widget in the right order
- * to ensure BE will connect to the right DAI
- * widget.
- */
- if (!cpu_dai->capture_widget) {
- cpu_dai->capture_widget = w;
- break;
- }
- }
- if (i == rtd->dai_link->num_cpus) {
- dev_err(scomp->dev, "error: can't find BE for DAI %s\n",
- w->name);
- return -EINVAL;
- }
- dai->name = rtd->dai_link->name;
- dev_dbg(scomp->dev, "tplg: connected widget %s -> DAI link %s\n",
- w->name, rtd->dai_link->name);
- break;
- case snd_soc_dapm_dai_in:
- for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
- /*
- * Please create DAI widget in the right order
- * to ensure BE will connect to the right DAI
- * widget.
- */
- if (!cpu_dai->playback_widget) {
- cpu_dai->playback_widget = w;
- break;
- }
- }
- if (i == rtd->dai_link->num_cpus) {
- dev_err(scomp->dev, "error: can't find BE for DAI %s\n",
- w->name);
- return -EINVAL;
- }
- dai->name = rtd->dai_link->name;
- dev_dbg(scomp->dev, "tplg: connected widget %s -> DAI link %s\n",
- w->name, rtd->dai_link->name);
- break;
- default:
- break;
- }
- }
- /* check we have a connection */
- if (!dai->name) {
- dev_err(scomp->dev, "error: can't connect DAI %s stream %s\n",
- w->name, w->sname);
- return -EINVAL;
- }
- return 0;
- }
- static void sof_disconnect_dai_widget(struct snd_soc_component *scomp,
- struct snd_soc_dapm_widget *w)
- {
- struct snd_soc_card *card = scomp->card;
- struct snd_soc_pcm_runtime *rtd;
- const char *sname = w->sname;
- struct snd_soc_dai *cpu_dai;
- int i;
- if (!sname)
- return;
- list_for_each_entry(rtd, &card->rtd_list, list) {
- /* does stream match DAI link ? */
- if (!rtd->dai_link->stream_name ||
- strcmp(sname, rtd->dai_link->stream_name))
- continue;
- switch (w->id) {
- case snd_soc_dapm_dai_out:
- for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
- if (cpu_dai->capture_widget == w) {
- cpu_dai->capture_widget = NULL;
- break;
- }
- }
- break;
- case snd_soc_dapm_dai_in:
- for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
- if (cpu_dai->playback_widget == w) {
- cpu_dai->playback_widget = NULL;
- break;
- }
- }
- break;
- default:
- break;
- }
- }
- }
- /* bind PCM ID to host component ID */
- static int spcm_bind(struct snd_soc_component *scomp, struct snd_sof_pcm *spcm,
- int dir)
- {
- struct snd_sof_widget *host_widget;
- host_widget = snd_sof_find_swidget_sname(scomp,
- spcm->pcm.caps[dir].name,
- dir);
- if (!host_widget) {
- dev_err(scomp->dev, "can't find host comp to bind pcm\n");
- return -EINVAL;
- }
- spcm->stream[dir].comp_id = host_widget->comp_id;
- return 0;
- }
- static int sof_get_token_value(u32 token_id, struct snd_sof_tuple *tuples, int num_tuples)
- {
- int i;
- if (!tuples)
- return -EINVAL;
- for (i = 0; i < num_tuples; i++) {
- if (tuples[i].token == token_id)
- return tuples[i].value.v;
- }
- return -EINVAL;
- }
- static int sof_widget_parse_tokens(struct snd_soc_component *scomp, struct snd_sof_widget *swidget,
- struct snd_soc_tplg_dapm_widget *tw,
- enum sof_tokens *object_token_list, int count)
- {
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
- const struct sof_ipc_tplg_ops *ipc_tplg_ops = sdev->ipc->ops->tplg;
- const struct sof_token_info *token_list = ipc_tplg_ops->token_list;
- struct snd_soc_tplg_private *private = &tw->priv;
- int num_tuples = 0;
- int ret, i;
- if (count > 0 && !object_token_list) {
- dev_err(scomp->dev, "No token list for widget %s\n", swidget->widget->name);
- return -EINVAL;
- }
- /* calculate max size of tuples array */
- for (i = 0; i < count; i++)
- num_tuples += token_list[object_token_list[i]].count;
- /* allocate memory for tuples array */
- swidget->tuples = kcalloc(num_tuples, sizeof(*swidget->tuples), GFP_KERNEL);
- if (!swidget->tuples)
- return -ENOMEM;
- /* parse token list for widget */
- for (i = 0; i < count; i++) {
- int num_sets = 1;
- if (object_token_list[i] >= SOF_TOKEN_COUNT) {
- dev_err(scomp->dev, "Invalid token id %d for widget %s\n",
- object_token_list[i], swidget->widget->name);
- ret = -EINVAL;
- goto err;
- }
- switch (object_token_list[i]) {
- case SOF_COMP_EXT_TOKENS:
- /* parse and save UUID in swidget */
- ret = sof_parse_tokens(scomp, swidget,
- token_list[object_token_list[i]].tokens,
- token_list[object_token_list[i]].count,
- private->array, le32_to_cpu(private->size));
- if (ret < 0) {
- dev_err(scomp->dev, "Failed parsing %s for widget %s\n",
- token_list[object_token_list[i]].name,
- swidget->widget->name);
- goto err;
- }
- continue;
- case SOF_IN_AUDIO_FORMAT_TOKENS:
- case SOF_OUT_AUDIO_FORMAT_TOKENS:
- case SOF_COPIER_GATEWAY_CFG_TOKENS:
- case SOF_AUDIO_FORMAT_BUFFER_SIZE_TOKENS:
- num_sets = sof_get_token_value(SOF_TKN_COMP_NUM_AUDIO_FORMATS,
- swidget->tuples, swidget->num_tuples);
- if (num_sets < 0) {
- dev_err(sdev->dev, "Invalid audio format count for %s\n",
- swidget->widget->name);
- ret = num_sets;
- goto err;
- }
- if (num_sets > 1) {
- struct snd_sof_tuple *new_tuples;
- num_tuples += token_list[object_token_list[i]].count * num_sets;
- new_tuples = krealloc(swidget->tuples,
- sizeof(*new_tuples) * num_tuples, GFP_KERNEL);
- if (!new_tuples) {
- ret = -ENOMEM;
- goto err;
- }
- swidget->tuples = new_tuples;
- }
- break;
- default:
- break;
- }
- /* copy one set of tuples per token ID into swidget->tuples */
- ret = sof_copy_tuples(sdev, private->array, le32_to_cpu(private->size),
- object_token_list[i], num_sets, swidget->tuples,
- num_tuples, &swidget->num_tuples);
- if (ret < 0) {
- dev_err(scomp->dev, "Failed parsing %s for widget %s err: %d\n",
- token_list[object_token_list[i]].name, swidget->widget->name, ret);
- goto err;
- }
- }
- return 0;
- err:
- kfree(swidget->tuples);
- return ret;
- }
- /* external widget init - used for any driver specific init */
- static int sof_widget_ready(struct snd_soc_component *scomp, int index,
- struct snd_soc_dapm_widget *w,
- struct snd_soc_tplg_dapm_widget *tw)
- {
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
- const struct sof_ipc_tplg_ops *ipc_tplg_ops = sdev->ipc->ops->tplg;
- const struct sof_ipc_tplg_widget_ops *widget_ops = ipc_tplg_ops->widget;
- struct snd_sof_widget *swidget;
- struct snd_sof_dai *dai;
- enum sof_tokens *token_list;
- int token_list_size;
- int ret = 0;
- swidget = kzalloc(sizeof(*swidget), GFP_KERNEL);
- if (!swidget)
- return -ENOMEM;
- swidget->scomp = scomp;
- swidget->widget = w;
- swidget->comp_id = sdev->next_comp_id++;
- swidget->complete = 0;
- swidget->id = w->id;
- swidget->pipeline_id = index;
- swidget->private = NULL;
- dev_dbg(scomp->dev, "tplg: ready widget id %d pipe %d type %d name : %s stream %s\n",
- swidget->comp_id, index, swidget->id, tw->name,
- strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0
- ? tw->sname : "none");
- token_list = widget_ops[w->id].token_list;
- token_list_size = widget_ops[w->id].token_list_size;
- /* handle any special case widgets */
- switch (w->id) {
- case snd_soc_dapm_dai_in:
- case snd_soc_dapm_dai_out:
- dai = kzalloc(sizeof(*dai), GFP_KERNEL);
- if (!dai) {
- kfree(swidget);
- return -ENOMEM;
- }
- ret = sof_widget_parse_tokens(scomp, swidget, tw, token_list, token_list_size);
- if (!ret)
- ret = sof_connect_dai_widget(scomp, w, tw, dai);
- if (ret < 0) {
- kfree(dai);
- break;
- }
- list_add(&dai->list, &sdev->dai_list);
- swidget->private = dai;
- break;
- case snd_soc_dapm_effect:
- /* check we have some tokens - we need at least process type */
- if (le32_to_cpu(tw->priv.size) == 0) {
- dev_err(scomp->dev, "error: process tokens not found\n");
- ret = -EINVAL;
- break;
- }
- ret = sof_widget_parse_tokens(scomp, swidget, tw, token_list, token_list_size);
- break;
- case snd_soc_dapm_pga:
- if (!le32_to_cpu(tw->num_kcontrols)) {
- dev_err(scomp->dev, "invalid kcontrol count %d for volume\n",
- tw->num_kcontrols);
- ret = -EINVAL;
- break;
- }
- fallthrough;
- case snd_soc_dapm_mixer:
- case snd_soc_dapm_buffer:
- case snd_soc_dapm_scheduler:
- case snd_soc_dapm_aif_out:
- case snd_soc_dapm_aif_in:
- case snd_soc_dapm_src:
- case snd_soc_dapm_asrc:
- case snd_soc_dapm_siggen:
- case snd_soc_dapm_mux:
- case snd_soc_dapm_demux:
- ret = sof_widget_parse_tokens(scomp, swidget, tw, token_list, token_list_size);
- break;
- case snd_soc_dapm_switch:
- case snd_soc_dapm_dai_link:
- case snd_soc_dapm_kcontrol:
- default:
- dev_dbg(scomp->dev, "widget type %d name %s not handled\n", swidget->id, tw->name);
- break;
- }
- /* check token parsing reply */
- if (ret < 0) {
- dev_err(scomp->dev,
- "error: failed to add widget id %d type %d name : %s stream %s\n",
- tw->shift, swidget->id, tw->name,
- strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0
- ? tw->sname : "none");
- kfree(swidget);
- return ret;
- }
- if (sof_debug_check_flag(SOF_DBG_DISABLE_MULTICORE)) {
- swidget->core = SOF_DSP_PRIMARY_CORE;
- } else {
- int core = sof_get_token_value(SOF_TKN_COMP_CORE_ID, swidget->tuples,
- swidget->num_tuples);
- if (core >= 0)
- swidget->core = core;
- }
- /* bind widget to external event */
- if (tw->event_type) {
- if (widget_ops[w->id].bind_event) {
- ret = widget_ops[w->id].bind_event(scomp, swidget,
- le16_to_cpu(tw->event_type));
- if (ret) {
- dev_err(scomp->dev, "widget event binding failed for %s\n",
- swidget->widget->name);
- kfree(swidget->private);
- kfree(swidget->tuples);
- kfree(swidget);
- return ret;
- }
- }
- }
- w->dobj.private = swidget;
- list_add(&swidget->list, &sdev->widget_list);
- return ret;
- }
- static int sof_route_unload(struct snd_soc_component *scomp,
- struct snd_soc_dobj *dobj)
- {
- struct snd_sof_route *sroute;
- sroute = dobj->private;
- if (!sroute)
- return 0;
- /* free sroute and its private data */
- kfree(sroute->private);
- list_del(&sroute->list);
- kfree(sroute);
- return 0;
- }
- static int sof_widget_unload(struct snd_soc_component *scomp,
- struct snd_soc_dobj *dobj)
- {
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
- const struct sof_ipc_tplg_ops *ipc_tplg_ops = sdev->ipc->ops->tplg;
- const struct sof_ipc_tplg_widget_ops *widget_ops = ipc_tplg_ops->widget;
- const struct snd_kcontrol_new *kc;
- struct snd_soc_dapm_widget *widget;
- struct snd_sof_control *scontrol;
- struct snd_sof_widget *swidget;
- struct soc_mixer_control *sm;
- struct soc_bytes_ext *sbe;
- struct snd_sof_dai *dai;
- struct soc_enum *se;
- int i;
- swidget = dobj->private;
- if (!swidget)
- return 0;
- widget = swidget->widget;
- switch (swidget->id) {
- case snd_soc_dapm_dai_in:
- case snd_soc_dapm_dai_out:
- dai = swidget->private;
- if (dai)
- list_del(&dai->list);
- sof_disconnect_dai_widget(scomp, widget);
- break;
- default:
- break;
- }
- for (i = 0; i < widget->num_kcontrols; i++) {
- kc = &widget->kcontrol_news[i];
- switch (widget->dobj.widget.kcontrol_type[i]) {
- case SND_SOC_TPLG_TYPE_MIXER:
- sm = (struct soc_mixer_control *)kc->private_value;
- scontrol = sm->dobj.private;
- if (sm->max > 1)
- kfree(scontrol->volume_table);
- break;
- case SND_SOC_TPLG_TYPE_ENUM:
- se = (struct soc_enum *)kc->private_value;
- scontrol = se->dobj.private;
- break;
- case SND_SOC_TPLG_TYPE_BYTES:
- sbe = (struct soc_bytes_ext *)kc->private_value;
- scontrol = sbe->dobj.private;
- break;
- default:
- dev_warn(scomp->dev, "unsupported kcontrol_type\n");
- goto out;
- }
- kfree(scontrol->ipc_control_data);
- list_del(&scontrol->list);
- kfree(scontrol->name);
- kfree(scontrol);
- }
- out:
- /* free IPC related data */
- if (widget_ops[swidget->id].ipc_free)
- widget_ops[swidget->id].ipc_free(swidget);
- kfree(swidget->tuples);
- /* remove and free swidget object */
- list_del(&swidget->list);
- kfree(swidget);
- return 0;
- }
- /*
- * DAI HW configuration.
- */
- /* FE DAI - used for any driver specific init */
- static int sof_dai_load(struct snd_soc_component *scomp, int index,
- struct snd_soc_dai_driver *dai_drv,
- struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai)
- {
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
- struct snd_soc_tplg_stream_caps *caps;
- struct snd_soc_tplg_private *private = &pcm->priv;
- struct snd_sof_pcm *spcm;
- int stream;
- int ret;
- /* nothing to do for BEs atm */
- if (!pcm)
- return 0;
- spcm = kzalloc(sizeof(*spcm), GFP_KERNEL);
- if (!spcm)
- return -ENOMEM;
- spcm->scomp = scomp;
- for_each_pcm_streams(stream) {
- spcm->stream[stream].comp_id = COMP_ID_UNASSIGNED;
- if (pcm->compress)
- snd_sof_compr_init_elapsed_work(&spcm->stream[stream].period_elapsed_work);
- else
- snd_sof_pcm_init_elapsed_work(&spcm->stream[stream].period_elapsed_work);
- }
- spcm->pcm = *pcm;
- dev_dbg(scomp->dev, "tplg: load pcm %s\n", pcm->dai_name);
- dai_drv->dobj.private = spcm;
- list_add(&spcm->list, &sdev->pcm_list);
- ret = sof_parse_tokens(scomp, spcm, stream_tokens,
- ARRAY_SIZE(stream_tokens), private->array,
- le32_to_cpu(private->size));
- if (ret) {
- dev_err(scomp->dev, "error: parse stream tokens failed %d\n",
- le32_to_cpu(private->size));
- return ret;
- }
- /* do we need to allocate playback PCM DMA pages */
- if (!spcm->pcm.playback)
- goto capture;
- stream = SNDRV_PCM_STREAM_PLAYBACK;
- caps = &spcm->pcm.caps[stream];
- /* allocate playback page table buffer */
- ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev,
- PAGE_SIZE, &spcm->stream[stream].page_table);
- if (ret < 0) {
- dev_err(scomp->dev, "error: can't alloc page table for %s %d\n",
- caps->name, ret);
- return ret;
- }
- /* bind pcm to host comp */
- ret = spcm_bind(scomp, spcm, stream);
- if (ret) {
- dev_err(scomp->dev,
- "error: can't bind pcm to host\n");
- goto free_playback_tables;
- }
- capture:
- stream = SNDRV_PCM_STREAM_CAPTURE;
- /* do we need to allocate capture PCM DMA pages */
- if (!spcm->pcm.capture)
- return ret;
- caps = &spcm->pcm.caps[stream];
- /* allocate capture page table buffer */
- ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev,
- PAGE_SIZE, &spcm->stream[stream].page_table);
- if (ret < 0) {
- dev_err(scomp->dev, "error: can't alloc page table for %s %d\n",
- caps->name, ret);
- goto free_playback_tables;
- }
- /* bind pcm to host comp */
- ret = spcm_bind(scomp, spcm, stream);
- if (ret) {
- dev_err(scomp->dev,
- "error: can't bind pcm to host\n");
- snd_dma_free_pages(&spcm->stream[stream].page_table);
- goto free_playback_tables;
- }
- return ret;
- free_playback_tables:
- if (spcm->pcm.playback)
- snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table);
- return ret;
- }
- static int sof_dai_unload(struct snd_soc_component *scomp,
- struct snd_soc_dobj *dobj)
- {
- struct snd_sof_pcm *spcm = dobj->private;
- /* free PCM DMA pages */
- if (spcm->pcm.playback)
- snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table);
- if (spcm->pcm.capture)
- snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_CAPTURE].page_table);
- /* remove from list and free spcm */
- list_del(&spcm->list);
- kfree(spcm);
- return 0;
- }
- static const struct sof_topology_token common_dai_link_tokens[] = {
- {SOF_TKN_DAI_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_dai_type,
- offsetof(struct snd_sof_dai_link, type)},
- };
- /* DAI link - used for any driver specific init */
- static int sof_link_load(struct snd_soc_component *scomp, int index, struct snd_soc_dai_link *link,
- struct snd_soc_tplg_link_config *cfg)
- {
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
- const struct sof_ipc_tplg_ops *ipc_tplg_ops = sdev->ipc->ops->tplg;
- const struct sof_token_info *token_list = ipc_tplg_ops->token_list;
- struct snd_soc_tplg_private *private = &cfg->priv;
- struct snd_sof_dai_link *slink;
- u32 token_id = 0;
- int num_tuples = 0;
- int ret, num_sets;
- if (!link->platforms) {
- dev_err(scomp->dev, "error: no platforms\n");
- return -EINVAL;
- }
- link->platforms->name = dev_name(scomp->dev);
- /*
- * Set nonatomic property for FE dai links as their trigger action
- * involves IPC's.
- */
- if (!link->no_pcm) {
- link->nonatomic = true;
- /*
- * set default trigger order for all links. Exceptions to
- * the rule will be handled in sof_pcm_dai_link_fixup()
- * For playback, the sequence is the following: start FE,
- * start BE, stop BE, stop FE; for Capture the sequence is
- * inverted start BE, start FE, stop FE, stop BE
- */
- link->trigger[SNDRV_PCM_STREAM_PLAYBACK] =
- SND_SOC_DPCM_TRIGGER_PRE;
- link->trigger[SNDRV_PCM_STREAM_CAPTURE] =
- SND_SOC_DPCM_TRIGGER_POST;
- /* nothing more to do for FE dai links */
- return 0;
- }
- /* check we have some tokens - we need at least DAI type */
- if (le32_to_cpu(private->size) == 0) {
- dev_err(scomp->dev, "error: expected tokens for DAI, none found\n");
- return -EINVAL;
- }
- slink = kzalloc(sizeof(*slink), GFP_KERNEL);
- if (!slink)
- return -ENOMEM;
- slink->num_hw_configs = le32_to_cpu(cfg->num_hw_configs);
- slink->hw_configs = kmemdup(cfg->hw_config,
- sizeof(*slink->hw_configs) * slink->num_hw_configs,
- GFP_KERNEL);
- if (!slink->hw_configs) {
- kfree(slink);
- return -ENOMEM;
- }
- slink->default_hw_cfg_id = le32_to_cpu(cfg->default_hw_config_id);
- slink->link = link;
- dev_dbg(scomp->dev, "tplg: %d hw_configs found, default id: %d for dai link %s!\n",
- slink->num_hw_configs, slink->default_hw_cfg_id, link->name);
- ret = sof_parse_tokens(scomp, slink, common_dai_link_tokens,
- ARRAY_SIZE(common_dai_link_tokens),
- private->array, le32_to_cpu(private->size));
- if (ret < 0) {
- dev_err(scomp->dev, "Failed tp parse common DAI link tokens\n");
- kfree(slink->hw_configs);
- kfree(slink);
- return ret;
- }
- if (!token_list)
- goto out;
- /* calculate size of tuples array */
- num_tuples += token_list[SOF_DAI_LINK_TOKENS].count;
- num_sets = slink->num_hw_configs;
- switch (slink->type) {
- case SOF_DAI_INTEL_SSP:
- token_id = SOF_SSP_TOKENS;
- num_tuples += token_list[SOF_SSP_TOKENS].count * slink->num_hw_configs;
- break;
- case SOF_DAI_INTEL_DMIC:
- token_id = SOF_DMIC_TOKENS;
- num_tuples += token_list[SOF_DMIC_TOKENS].count;
- /* Allocate memory for max PDM controllers */
- num_tuples += token_list[SOF_DMIC_PDM_TOKENS].count * SOF_DAI_INTEL_DMIC_NUM_CTRL;
- break;
- case SOF_DAI_INTEL_HDA:
- token_id = SOF_HDA_TOKENS;
- num_tuples += token_list[SOF_HDA_TOKENS].count;
- break;
- case SOF_DAI_INTEL_ALH:
- token_id = SOF_ALH_TOKENS;
- num_tuples += token_list[SOF_ALH_TOKENS].count;
- break;
- case SOF_DAI_IMX_SAI:
- token_id = SOF_SAI_TOKENS;
- num_tuples += token_list[SOF_SAI_TOKENS].count;
- break;
- case SOF_DAI_IMX_ESAI:
- token_id = SOF_ESAI_TOKENS;
- num_tuples += token_list[SOF_ESAI_TOKENS].count;
- break;
- case SOF_DAI_MEDIATEK_AFE:
- token_id = SOF_AFE_TOKENS;
- num_tuples += token_list[SOF_AFE_TOKENS].count;
- break;
- case SOF_DAI_AMD_DMIC:
- token_id = SOF_ACPDMIC_TOKENS;
- num_tuples += token_list[SOF_ACPDMIC_TOKENS].count;
- break;
- default:
- break;
- }
- /* allocate memory for tuples array */
- slink->tuples = kcalloc(num_tuples, sizeof(*slink->tuples), GFP_KERNEL);
- if (!slink->tuples) {
- kfree(slink->hw_configs);
- kfree(slink);
- return -ENOMEM;
- }
- if (token_list[SOF_DAI_LINK_TOKENS].tokens) {
- /* parse one set of DAI link tokens */
- ret = sof_copy_tuples(sdev, private->array, le32_to_cpu(private->size),
- SOF_DAI_LINK_TOKENS, 1, slink->tuples,
- num_tuples, &slink->num_tuples);
- if (ret < 0) {
- dev_err(scomp->dev, "failed to parse %s for dai link %s\n",
- token_list[SOF_DAI_LINK_TOKENS].name, link->name);
- goto err;
- }
- }
- /* nothing more to do if there are no DAI type-specific tokens defined */
- if (!token_id || !token_list[token_id].tokens)
- goto out;
- /* parse "num_sets" sets of DAI-specific tokens */
- ret = sof_copy_tuples(sdev, private->array, le32_to_cpu(private->size),
- token_id, num_sets, slink->tuples, num_tuples, &slink->num_tuples);
- if (ret < 0) {
- dev_err(scomp->dev, "failed to parse %s for dai link %s\n",
- token_list[token_id].name, link->name);
- goto err;
- }
- /* for DMIC, also parse all sets of DMIC PDM tokens based on active PDM count */
- if (token_id == SOF_DMIC_TOKENS) {
- num_sets = sof_get_token_value(SOF_TKN_INTEL_DMIC_NUM_PDM_ACTIVE,
- slink->tuples, slink->num_tuples);
- if (num_sets < 0) {
- dev_err(sdev->dev, "Invalid active PDM count for %s\n", link->name);
- ret = num_sets;
- goto err;
- }
- ret = sof_copy_tuples(sdev, private->array, le32_to_cpu(private->size),
- SOF_DMIC_PDM_TOKENS, num_sets, slink->tuples,
- num_tuples, &slink->num_tuples);
- if (ret < 0) {
- dev_err(scomp->dev, "failed to parse %s for dai link %s\n",
- token_list[SOF_DMIC_PDM_TOKENS].name, link->name);
- goto err;
- }
- }
- out:
- link->dobj.private = slink;
- list_add(&slink->list, &sdev->dai_link_list);
- return 0;
- err:
- kfree(slink->tuples);
- kfree(slink->hw_configs);
- kfree(slink);
- return ret;
- }
- static int sof_link_unload(struct snd_soc_component *scomp, struct snd_soc_dobj *dobj)
- {
- struct snd_sof_dai_link *slink = dobj->private;
- if (!slink)
- return 0;
- kfree(slink->tuples);
- list_del(&slink->list);
- kfree(slink->hw_configs);
- kfree(slink);
- dobj->private = NULL;
- return 0;
- }
- /* DAI link - used for any driver specific init */
- static int sof_route_load(struct snd_soc_component *scomp, int index,
- struct snd_soc_dapm_route *route)
- {
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
- struct snd_sof_widget *source_swidget, *sink_swidget;
- struct snd_soc_dobj *dobj = &route->dobj;
- struct snd_sof_route *sroute;
- int ret = 0;
- /* allocate memory for sroute and connect */
- sroute = kzalloc(sizeof(*sroute), GFP_KERNEL);
- if (!sroute)
- return -ENOMEM;
- sroute->scomp = scomp;
- dev_dbg(scomp->dev, "sink %s control %s source %s\n",
- route->sink, route->control ? route->control : "none",
- route->source);
- /* source component */
- source_swidget = snd_sof_find_swidget(scomp, (char *)route->source);
- if (!source_swidget) {
- dev_err(scomp->dev, "error: source %s not found\n",
- route->source);
- ret = -EINVAL;
- goto err;
- }
- /*
- * Virtual widgets of type output/out_drv may be added in topology
- * for compatibility. These are not handled by the FW.
- * So, don't send routes whose source/sink widget is of such types
- * to the DSP.
- */
- if (source_swidget->id == snd_soc_dapm_out_drv ||
- source_swidget->id == snd_soc_dapm_output)
- goto err;
- /* sink component */
- sink_swidget = snd_sof_find_swidget(scomp, (char *)route->sink);
- if (!sink_swidget) {
- dev_err(scomp->dev, "error: sink %s not found\n",
- route->sink);
- ret = -EINVAL;
- goto err;
- }
- /*
- * Don't send routes whose sink widget is of type
- * output or out_drv to the DSP
- */
- if (sink_swidget->id == snd_soc_dapm_out_drv ||
- sink_swidget->id == snd_soc_dapm_output)
- goto err;
- sroute->route = route;
- dobj->private = sroute;
- sroute->src_widget = source_swidget;
- sroute->sink_widget = sink_swidget;
- /* add route to route list */
- list_add(&sroute->list, &sdev->route_list);
- return 0;
- err:
- kfree(sroute);
- return ret;
- }
- /**
- * sof_set_pipe_widget - Set pipe_widget for a component
- * @sdev: pointer to struct snd_sof_dev
- * @pipe_widget: pointer to struct snd_sof_widget of type snd_soc_dapm_scheduler
- * @swidget: pointer to struct snd_sof_widget that has the same pipeline ID as @pipe_widget
- *
- * Return: 0 if successful, -EINVAL on error.
- * The function checks if @swidget is associated with any volatile controls. If so, setting
- * the dynamic_pipeline_widget is disallowed.
- */
- static int sof_set_pipe_widget(struct snd_sof_dev *sdev, struct snd_sof_widget *pipe_widget,
- struct snd_sof_widget *swidget)
- {
- struct snd_sof_control *scontrol;
- if (pipe_widget->dynamic_pipeline_widget) {
- /* dynamic widgets cannot have volatile kcontrols */
- list_for_each_entry(scontrol, &sdev->kcontrol_list, list)
- if (scontrol->comp_id == swidget->comp_id &&
- (scontrol->access & SNDRV_CTL_ELEM_ACCESS_VOLATILE)) {
- dev_err(sdev->dev,
- "error: volatile control found for dynamic widget %s\n",
- swidget->widget->name);
- return -EINVAL;
- }
- }
- /* set the pipe_widget and apply the dynamic_pipeline_widget_flag */
- swidget->pipe_widget = pipe_widget;
- swidget->dynamic_pipeline_widget = pipe_widget->dynamic_pipeline_widget;
- return 0;
- }
- /* completion - called at completion of firmware loading */
- static int sof_complete(struct snd_soc_component *scomp)
- {
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
- struct snd_sof_widget *swidget, *comp_swidget;
- const struct sof_ipc_tplg_ops *ipc_tplg_ops = sdev->ipc->ops->tplg;
- const struct sof_ipc_tplg_widget_ops *widget_ops = ipc_tplg_ops->widget;
- struct snd_sof_control *scontrol;
- int ret;
- /* first update all control IPC structures based on the IPC version */
- if (ipc_tplg_ops->control_setup)
- list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
- ret = ipc_tplg_ops->control_setup(sdev, scontrol);
- if (ret < 0) {
- dev_err(sdev->dev, "failed updating IPC struct for control %s\n",
- scontrol->name);
- return ret;
- }
- }
- /*
- * then update all widget IPC structures. If any of the ipc_setup callbacks fail, the
- * topology will be removed and all widgets will be unloaded resulting in freeing all
- * associated memories.
- */
- list_for_each_entry(swidget, &sdev->widget_list, list) {
- if (widget_ops[swidget->id].ipc_setup) {
- ret = widget_ops[swidget->id].ipc_setup(swidget);
- if (ret < 0) {
- dev_err(sdev->dev, "failed updating IPC struct for %s\n",
- swidget->widget->name);
- return ret;
- }
- }
- }
- /* set the pipe_widget and apply the dynamic_pipeline_widget_flag */
- list_for_each_entry(swidget, &sdev->widget_list, list) {
- switch (swidget->id) {
- case snd_soc_dapm_scheduler:
- /*
- * Apply the dynamic_pipeline_widget flag and set the pipe_widget field
- * for all widgets that have the same pipeline ID as the scheduler widget
- */
- list_for_each_entry(comp_swidget, &sdev->widget_list, list)
- if (comp_swidget->pipeline_id == swidget->pipeline_id) {
- ret = sof_set_pipe_widget(sdev, swidget, comp_swidget);
- if (ret < 0)
- return ret;
- }
- break;
- default:
- break;
- }
- }
- /* verify topology components loading including dynamic pipelines */
- if (sof_debug_check_flag(SOF_DBG_VERIFY_TPLG)) {
- if (ipc_tplg_ops->set_up_all_pipelines && ipc_tplg_ops->tear_down_all_pipelines) {
- ret = ipc_tplg_ops->set_up_all_pipelines(sdev, true);
- if (ret < 0) {
- dev_err(sdev->dev, "Failed to set up all topology pipelines: %d\n",
- ret);
- return ret;
- }
- ret = ipc_tplg_ops->tear_down_all_pipelines(sdev, true);
- if (ret < 0) {
- dev_err(sdev->dev, "Failed to tear down topology pipelines: %d\n",
- ret);
- return ret;
- }
- }
- }
- /* set up static pipelines */
- if (ipc_tplg_ops->set_up_all_pipelines)
- return ipc_tplg_ops->set_up_all_pipelines(sdev, false);
- return 0;
- }
- /* manifest - optional to inform component of manifest */
- static int sof_manifest(struct snd_soc_component *scomp, int index,
- struct snd_soc_tplg_manifest *man)
- {
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
- const struct sof_ipc_tplg_ops *ipc_tplg_ops = sdev->ipc->ops->tplg;
- if (ipc_tplg_ops->parse_manifest)
- return ipc_tplg_ops->parse_manifest(scomp, index, man);
- return 0;
- }
- /* vendor specific kcontrol handlers available for binding */
- static const struct snd_soc_tplg_kcontrol_ops sof_io_ops[] = {
- {SOF_TPLG_KCTL_VOL_ID, snd_sof_volume_get, snd_sof_volume_put},
- {SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_get, snd_sof_bytes_put},
- {SOF_TPLG_KCTL_ENUM_ID, snd_sof_enum_get, snd_sof_enum_put},
- {SOF_TPLG_KCTL_SWITCH_ID, snd_sof_switch_get, snd_sof_switch_put},
- };
- /* vendor specific bytes ext handlers available for binding */
- static const struct snd_soc_tplg_bytes_ext_ops sof_bytes_ext_ops[] = {
- {SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_ext_get, snd_sof_bytes_ext_put},
- {SOF_TPLG_KCTL_BYTES_VOLATILE_RO, snd_sof_bytes_ext_volatile_get},
- };
- static struct snd_soc_tplg_ops sof_tplg_ops = {
- /* external kcontrol init - used for any driver specific init */
- .control_load = sof_control_load,
- .control_unload = sof_control_unload,
- /* external kcontrol init - used for any driver specific init */
- .dapm_route_load = sof_route_load,
- .dapm_route_unload = sof_route_unload,
- /* external widget init - used for any driver specific init */
- /* .widget_load is not currently used */
- .widget_ready = sof_widget_ready,
- .widget_unload = sof_widget_unload,
- /* FE DAI - used for any driver specific init */
- .dai_load = sof_dai_load,
- .dai_unload = sof_dai_unload,
- /* DAI link - used for any driver specific init */
- .link_load = sof_link_load,
- .link_unload = sof_link_unload,
- /* completion - called at completion of firmware loading */
- .complete = sof_complete,
- /* manifest - optional to inform component of manifest */
- .manifest = sof_manifest,
- /* vendor specific kcontrol handlers available for binding */
- .io_ops = sof_io_ops,
- .io_ops_count = ARRAY_SIZE(sof_io_ops),
- /* vendor specific bytes ext handlers available for binding */
- .bytes_ext_ops = sof_bytes_ext_ops,
- .bytes_ext_ops_count = ARRAY_SIZE(sof_bytes_ext_ops),
- };
- int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file)
- {
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
- const struct firmware *fw;
- int ret;
- dev_dbg(scomp->dev, "loading topology:%s\n", file);
- ret = request_firmware(&fw, file, scomp->dev);
- if (ret < 0) {
- dev_err(scomp->dev, "error: tplg request firmware %s failed err: %d\n",
- file, ret);
- dev_err(scomp->dev,
- "you may need to download the firmware from https://github.com/thesofproject/sof-bin/\n");
- return ret;
- }
- ret = snd_soc_tplg_component_load(scomp, &sof_tplg_ops, fw);
- if (ret < 0) {
- dev_err(scomp->dev, "error: tplg component load failed %d\n",
- ret);
- ret = -EINVAL;
- }
- release_firmware(fw);
- if (ret >= 0 && sdev->led_present)
- ret = snd_ctl_led_request();
- return ret;
- }
- EXPORT_SYMBOL(snd_sof_load_topology);
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