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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /sound/soc/sof/topology.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--sound/soc/sof/topology.c2463
1 files changed, 2463 insertions, 0 deletions
diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c
new file mode 100644
index 0000000000..7133ec1332
--- /dev/null
+++ b/sound/soc/sof/topology.c
@@ -0,0 +1,2463 @@
+// 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 <liam.r.girdwood@linux.intel.com>
+//
+
+#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 *tplg_ops = sof_ipc_get_ops(sdev, tplg);
+ const struct sof_token_info *token_list;
+ const struct sof_topology_token *tokens;
+ int i, j;
+
+ token_list = tplg_ops ? tplg_ops->token_list : NULL;
+ /* nothing to do if token_list is NULL */
+ if (!token_list)
+ return 0;
+
+ 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 = sof_ipc_get_ops(sdev, tplg);
+
+ if (tplg_ops && tplg_ops->control && 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},
+ {"ACPSP_VIRTUAL", SOF_DAI_AMD_SP_VIRTUAL},
+ {"ACPHS_VIRTUAL", SOF_DAI_AMD_HS_VIRTUAL},
+
+};
+
+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;
+}
+
+/*
+ * The string gets from topology will be stored in heap, the owner only
+ * holds a char* member point to the heap.
+ */
+int get_token_string(void *elem, void *object, u32 offset)
+{
+ /* "dst" here points to the char* member of the owner */
+ char **dst = (char **)((u8 *)object + offset);
+
+ *dst = kstrdup(elem, GFP_KERNEL);
+ if (!*dst)
+ return -ENOMEM;
+ 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)},
+};
+
+static const struct sof_topology_token comp_pin_tokens[] = {
+ {SOF_TKN_COMP_NUM_INPUT_PINS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
+ offsetof(struct snd_sof_widget, num_input_pins)},
+ {SOF_TKN_COMP_NUM_OUTPUT_PINS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
+ offsetof(struct snd_sof_widget, num_output_pins)},
+};
+
+static const struct sof_topology_token comp_input_pin_binding_tokens[] = {
+ {SOF_TKN_COMP_INPUT_PIN_BINDING_WNAME, SND_SOC_TPLG_TUPLE_TYPE_STRING,
+ get_token_string, 0},
+};
+
+static const struct sof_topology_token comp_output_pin_binding_tokens[] = {
+ {SOF_TKN_COMP_OUTPUT_PIN_BINDING_WNAME, SND_SOC_TPLG_TUPLE_TYPE_STRING,
+ get_token_string, 0},
+};
+
+/**
+ * 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 *tplg_ops = sof_ipc_get_ops(sdev, tplg);
+ const struct sof_token_info *token_list;
+ const struct sof_topology_token *tokens;
+ int found = 0;
+ int num_tokens, asize;
+ int i, j;
+
+ token_list = tplg_ops ? tplg_ops->token_list : NULL;
+ /* 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, ret;
+
+ /* 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 */
+ ret = tokens[j].get_token(elem->string, object, offset + tokens[j].offset);
+ if (ret < 0)
+ return ret;
+
+ 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;
+ int ret;
+
+ 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:
+
+ ret = sof_parse_string_tokens(scomp, object, offset, tokens, count,
+ array);
+ if (ret < 0) {
+ dev_err(scomp->dev, "error: no memory to copy string token\n");
+ return ret;
+ }
+
+ found += ret;
+ 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 *tplg_ops = sof_ipc_get_ops(sdev, tplg);
+ struct snd_sof_control *scontrol = dobj->private;
+ int ret = 0;
+
+ dev_dbg(scomp->dev, "tplg: unload control name : %s\n", scontrol->name);
+
+ if (tplg_ops && tplg_ops->control_free) {
+ ret = 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 stream;
+ int i;
+
+ if (!w->sname) {
+ dev_err(scomp->dev, "Widget %s does not have stream\n", w->name);
+ return -EINVAL;
+ }
+
+ if (w->id == snd_soc_dapm_dai_out)
+ stream = SNDRV_PCM_STREAM_CAPTURE;
+ else if (w->id == snd_soc_dapm_dai_in)
+ stream = SNDRV_PCM_STREAM_PLAYBACK;
+ else
+ goto end;
+
+ list_for_each_entry(rtd, &card->rtd_list, list) {
+ /* does stream match DAI link ? */
+ if (!rtd->dai_link->stream_name ||
+ !strstr(rtd->dai_link->stream_name, w->sname))
+ continue;
+
+ 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 (!snd_soc_dai_get_widget(cpu_dai, stream)) {
+ snd_soc_dai_set_widget(cpu_dai, stream, 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);
+ }
+end:
+ /* 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, stream;
+
+ if (!sname)
+ return;
+
+ if (w->id == snd_soc_dapm_dai_out)
+ stream = SNDRV_PCM_STREAM_CAPTURE;
+ else if (w->id == snd_soc_dapm_dai_in)
+ stream = SNDRV_PCM_STREAM_PLAYBACK;
+ else
+ return;
+
+ list_for_each_entry(rtd, &card->rtd_list, list) {
+ /* does stream match DAI link ? */
+ if (!rtd->dai_link->stream_name ||
+ !strstr(rtd->dai_link->stream_name, sname))
+ continue;
+
+ for_each_rtd_cpu_dais(rtd, i, cpu_dai)
+ if (snd_soc_dai_get_widget(cpu_dai, stream) == w) {
+ snd_soc_dai_set_widget(cpu_dai, stream, NULL);
+ 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_dev *sdev = snd_soc_component_get_drvdata(scomp);
+ struct snd_sof_widget *host_widget;
+
+ if (sdev->dspless_mode_selected)
+ return 0;
+
+ 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 *tplg_ops = sof_ipc_get_ops(sdev, tplg);
+ struct snd_soc_tplg_private *private = &tw->priv;
+ const struct sof_token_info *token_list;
+ int num_tuples = 0;
+ int ret, i;
+
+ token_list = tplg_ops ? tplg_ops->token_list : NULL;
+ /* nothing to do if token_list is NULL */
+ if (!token_list)
+ return 0;
+
+ 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:
+ num_sets = sof_get_token_value(SOF_TKN_COMP_NUM_INPUT_AUDIO_FORMATS,
+ swidget->tuples, swidget->num_tuples);
+ if (num_sets < 0) {
+ dev_err(sdev->dev, "Invalid input audio format count for %s\n",
+ swidget->widget->name);
+ ret = num_sets;
+ goto err;
+ }
+ break;
+ case SOF_OUT_AUDIO_FORMAT_TOKENS:
+ num_sets = sof_get_token_value(SOF_TKN_COMP_NUM_OUTPUT_AUDIO_FORMATS,
+ swidget->tuples, swidget->num_tuples);
+ if (num_sets < 0) {
+ dev_err(sdev->dev, "Invalid output audio format count for %s\n",
+ swidget->widget->name);
+ ret = num_sets;
+ goto err;
+ }
+ break;
+ default:
+ break;
+ }
+
+ if (num_sets > 1) {
+ struct snd_sof_tuple *new_tuples;
+
+ num_tuples += token_list[object_token_list[i]].count * (num_sets - 1);
+ new_tuples = krealloc(swidget->tuples,
+ sizeof(*new_tuples) * num_tuples, GFP_KERNEL);
+ if (!new_tuples) {
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ swidget->tuples = new_tuples;
+ }
+
+ /* 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;
+}
+
+static void sof_free_pin_binding(struct snd_sof_widget *swidget,
+ bool pin_type)
+{
+ char **pin_binding;
+ u32 num_pins;
+ int i;
+
+ if (pin_type == SOF_PIN_TYPE_INPUT) {
+ pin_binding = swidget->input_pin_binding;
+ num_pins = swidget->num_input_pins;
+ } else {
+ pin_binding = swidget->output_pin_binding;
+ num_pins = swidget->num_output_pins;
+ }
+
+ if (pin_binding) {
+ for (i = 0; i < num_pins; i++)
+ kfree(pin_binding[i]);
+ }
+
+ kfree(pin_binding);
+}
+
+static int sof_parse_pin_binding(struct snd_sof_widget *swidget,
+ struct snd_soc_tplg_private *priv, bool pin_type)
+{
+ const struct sof_topology_token *pin_binding_token;
+ char *pin_binding[SOF_WIDGET_MAX_NUM_PINS];
+ int token_count;
+ u32 num_pins;
+ char **pb;
+ int ret;
+ int i;
+
+ if (pin_type == SOF_PIN_TYPE_INPUT) {
+ num_pins = swidget->num_input_pins;
+ pin_binding_token = comp_input_pin_binding_tokens;
+ token_count = ARRAY_SIZE(comp_input_pin_binding_tokens);
+ } else {
+ num_pins = swidget->num_output_pins;
+ pin_binding_token = comp_output_pin_binding_tokens;
+ token_count = ARRAY_SIZE(comp_output_pin_binding_tokens);
+ }
+
+ memset(pin_binding, 0, SOF_WIDGET_MAX_NUM_PINS * sizeof(char *));
+ ret = sof_parse_token_sets(swidget->scomp, pin_binding, pin_binding_token,
+ token_count, priv->array, le32_to_cpu(priv->size),
+ num_pins, sizeof(char *));
+ if (ret < 0)
+ goto err;
+
+ /* copy pin binding array to swidget only if it is defined in topology */
+ if (pin_binding[0]) {
+ pb = kmemdup(pin_binding, num_pins * sizeof(char *), GFP_KERNEL);
+ if (!pb) {
+ ret = -ENOMEM;
+ goto err;
+ }
+ if (pin_type == SOF_PIN_TYPE_INPUT)
+ swidget->input_pin_binding = pb;
+ else
+ swidget->output_pin_binding = pb;
+ }
+
+ return 0;
+
+err:
+ for (i = 0; i < num_pins; i++)
+ kfree(pin_binding[i]);
+
+ return ret;
+}
+
+static int get_w_no_wname_in_long_name(void *elem, void *object, u32 offset)
+{
+ struct snd_soc_tplg_vendor_value_elem *velem = elem;
+ struct snd_soc_dapm_widget *w = object;
+
+ w->no_wname_in_kcontrol_name = !!le32_to_cpu(velem->value);
+ return 0;
+}
+
+static const struct sof_topology_token dapm_widget_tokens[] = {
+ {SOF_TKN_COMP_NO_WNAME_IN_KCONTROL_NAME, SND_SOC_TPLG_TUPLE_TYPE_BOOL,
+ get_w_no_wname_in_long_name, 0}
+};
+
+/* 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 *tplg_ops = sof_ipc_get_ops(sdev, tplg);
+ const struct sof_ipc_tplg_widget_ops *widget_ops;
+ struct snd_soc_tplg_private *priv = &tw->priv;
+ enum sof_tokens *token_list = NULL;
+ struct snd_sof_widget *swidget;
+ struct snd_sof_dai *dai;
+ int token_list_size = 0;
+ 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->id = w->id;
+ swidget->pipeline_id = index;
+ swidget->private = NULL;
+ mutex_init(&swidget->setup_mutex);
+
+ ida_init(&swidget->output_queue_ida);
+ ida_init(&swidget->input_queue_ida);
+
+ ret = sof_parse_tokens(scomp, w, dapm_widget_tokens, ARRAY_SIZE(dapm_widget_tokens),
+ priv->array, le32_to_cpu(priv->size));
+ if (ret < 0) {
+ dev_err(scomp->dev, "failed to parse dapm widget tokens for %s\n",
+ w->name);
+ goto widget_free;
+ }
+
+ ret = sof_parse_tokens(scomp, swidget, comp_pin_tokens,
+ ARRAY_SIZE(comp_pin_tokens), priv->array,
+ le32_to_cpu(priv->size));
+ if (ret < 0) {
+ dev_err(scomp->dev, "failed to parse component pin tokens for %s\n",
+ w->name);
+ goto widget_free;
+ }
+
+ if (swidget->num_input_pins > SOF_WIDGET_MAX_NUM_PINS ||
+ swidget->num_output_pins > SOF_WIDGET_MAX_NUM_PINS) {
+ dev_err(scomp->dev, "invalid pins for %s: [input: %d, output: %d]\n",
+ swidget->widget->name, swidget->num_input_pins, swidget->num_output_pins);
+ ret = -EINVAL;
+ goto widget_free;
+ }
+
+ if (swidget->num_input_pins > 1) {
+ ret = sof_parse_pin_binding(swidget, priv, SOF_PIN_TYPE_INPUT);
+ /* on parsing error, pin binding is not allocated, nothing to free. */
+ if (ret < 0) {
+ dev_err(scomp->dev, "failed to parse input pin binding for %s\n",
+ w->name);
+ goto widget_free;
+ }
+ }
+
+ if (swidget->num_output_pins > 1) {
+ ret = sof_parse_pin_binding(swidget, priv, SOF_PIN_TYPE_OUTPUT);
+ /* on parsing error, pin binding is not allocated, nothing to free. */
+ if (ret < 0) {
+ dev_err(scomp->dev, "failed to parse output pin binding for %s\n",
+ w->name);
+ goto widget_free;
+ }
+ }
+
+ dev_dbg(scomp->dev,
+ "tplg: widget %d (%s) is ready [type: %d, pipe: %d, pins: %d / %d, stream: %s]\n",
+ swidget->comp_id, w->name, swidget->id, index,
+ swidget->num_input_pins, swidget->num_output_pins,
+ strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0 ? w->sname : "none");
+
+ widget_ops = tplg_ops ? tplg_ops->widget : NULL;
+ if (widget_ops) {
+ 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) {
+ ret = -ENOMEM;
+ goto widget_free;
+ }
+
+ 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");
+ goto widget_free;
+ }
+
+ 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 && 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);
+ goto free;
+ }
+ }
+ }
+
+ /* create and add pipeline for scheduler type widgets */
+ if (w->id == snd_soc_dapm_scheduler) {
+ struct snd_sof_pipeline *spipe;
+
+ spipe = kzalloc(sizeof(*spipe), GFP_KERNEL);
+ if (!spipe) {
+ ret = -ENOMEM;
+ goto free;
+ }
+
+ spipe->pipe_widget = swidget;
+ swidget->spipe = spipe;
+ list_add(&spipe->list, &sdev->pipeline_list);
+ }
+
+ w->dobj.private = swidget;
+ list_add(&swidget->list, &sdev->widget_list);
+ return ret;
+free:
+ kfree(swidget->private);
+ kfree(swidget->tuples);
+widget_free:
+ kfree(swidget);
+ 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 *tplg_ops = sof_ipc_get_ops(sdev, tplg);
+ const struct sof_ipc_tplg_widget_ops *widget_ops;
+ 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;
+ case snd_soc_dapm_scheduler:
+ {
+ struct snd_sof_pipeline *spipe = swidget->spipe;
+
+ list_del(&spipe->list);
+ kfree(spipe);
+ swidget->spipe = NULL;
+ 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 */
+ widget_ops = tplg_ops ? tplg_ops->widget : NULL;
+ if (widget_ops && widget_ops[swidget->id].ipc_free)
+ widget_ops[swidget->id].ipc_free(swidget);
+
+ ida_destroy(&swidget->output_queue_ida);
+ ida_destroy(&swidget->input_queue_ida);
+
+ sof_free_pin_binding(swidget, SOF_PIN_TYPE_INPUT);
+ sof_free_pin_binding(swidget, SOF_PIN_TYPE_OUTPUT);
+
+ 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);
+ const struct sof_ipc_pcm_ops *ipc_pcm_ops = sof_ipc_get_ops(sdev, pcm);
+ 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);
+
+ /* perform pcm set op */
+ if (ipc_pcm_ops && ipc_pcm_ops->pcm_setup) {
+ ret = ipc_pcm_ops->pcm_setup(sdev, spcm);
+ if (ret < 0) {
+ kfree(spcm);
+ return ret;
+ }
+ }
+
+ 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_dev *sdev = snd_soc_component_get_drvdata(scomp);
+ const struct sof_ipc_pcm_ops *ipc_pcm_ops = sof_ipc_get_ops(sdev, pcm);
+ 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);
+
+ /* perform pcm free op */
+ if (ipc_pcm_ops && ipc_pcm_ops->pcm_free)
+ ipc_pcm_ops->pcm_free(sdev, spcm);
+
+ /* 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 *tplg_ops = sof_ipc_get_ops(sdev, tplg);
+ struct snd_soc_tplg_private *private = &cfg->priv;
+ const struct sof_token_info *token_list;
+ 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);
+
+ if (tplg_ops && tplg_ops->link_setup) {
+ ret = tplg_ops->link_setup(sdev, link);
+ if (ret < 0)
+ return ret;
+ }
+
+ /* Set nonatomic property for FE dai links as their trigger action involves IPC's */
+ if (!link->no_pcm) {
+ link->nonatomic = true;
+ 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;
+ }
+
+ token_list = tplg_ops ? tplg_ops->token_list : NULL;
+ 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;
+ case SOF_DAI_AMD_SP:
+ case SOF_DAI_AMD_HS:
+ case SOF_DAI_AMD_SP_VIRTUAL:
+ case SOF_DAI_AMD_HS_VIRTUAL:
+ token_id = SOF_ACPI2S_TOKENS;
+ num_tuples += token_list[SOF_ACPI2S_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_widget_pipeline - Set pipeline for a component
+ * @sdev: pointer to struct snd_sof_dev
+ * @spipe: pointer to struct snd_sof_pipeline
+ * @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_widget_pipeline(struct snd_sof_dev *sdev, struct snd_sof_pipeline *spipe,
+ struct snd_sof_widget *swidget)
+{
+ struct snd_sof_widget *pipe_widget = spipe->pipe_widget;
+ 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 pipeline and apply the dynamic_pipeline_widget_flag */
+ swidget->spipe = spipe;
+ 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);
+ const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
+ const struct sof_ipc_tplg_widget_ops *widget_ops;
+ struct snd_sof_control *scontrol;
+ struct snd_sof_pipeline *spipe;
+ int ret;
+
+ widget_ops = tplg_ops ? tplg_ops->widget : NULL;
+
+ /* first update all control IPC structures based on the IPC version */
+ if (tplg_ops && tplg_ops->control_setup)
+ list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
+ ret = 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;
+ }
+ }
+
+ /* set up the IPC structures for the pipeline widgets */
+ list_for_each_entry(spipe, &sdev->pipeline_list, list) {
+ struct snd_sof_widget *pipe_widget = spipe->pipe_widget;
+ struct snd_sof_widget *swidget;
+
+ pipe_widget->instance_id = -EINVAL;
+
+ /* Update the scheduler widget's IPC structure */
+ if (widget_ops && widget_ops[pipe_widget->id].ipc_setup) {
+ ret = widget_ops[pipe_widget->id].ipc_setup(pipe_widget);
+ if (ret < 0) {
+ dev_err(sdev->dev, "failed updating IPC struct for %s\n",
+ pipe_widget->widget->name);
+ return ret;
+ }
+ }
+
+ /* set the pipeline and update the IPC structure for the non scheduler widgets */
+ list_for_each_entry(swidget, &sdev->widget_list, list)
+ if (swidget->widget->id != snd_soc_dapm_scheduler &&
+ swidget->pipeline_id == pipe_widget->pipeline_id) {
+ ret = sof_set_widget_pipeline(sdev, spipe, swidget);
+ if (ret < 0)
+ return ret;
+
+ if (widget_ops && 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;
+ }
+ }
+ }
+ }
+
+ /* verify topology components loading including dynamic pipelines */
+ if (sof_debug_check_flag(SOF_DBG_VERIFY_TPLG)) {
+ if (tplg_ops && tplg_ops->set_up_all_pipelines &&
+ tplg_ops->tear_down_all_pipelines) {
+ ret = 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 = 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 (tplg_ops && tplg_ops->set_up_all_pipelines)
+ return 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 *tplg_ops = sof_ipc_get_ops(sdev, tplg);
+
+ if (tplg_ops && tplg_ops->parse_manifest)
+ return 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),
+};
+
+static int snd_sof_dspless_kcontrol(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ return 0;
+}
+
+static const struct snd_soc_tplg_kcontrol_ops sof_dspless_io_ops[] = {
+ {SOF_TPLG_KCTL_VOL_ID, snd_sof_dspless_kcontrol, snd_sof_dspless_kcontrol},
+ {SOF_TPLG_KCTL_BYTES_ID, snd_sof_dspless_kcontrol, snd_sof_dspless_kcontrol},
+ {SOF_TPLG_KCTL_ENUM_ID, snd_sof_dspless_kcontrol, snd_sof_dspless_kcontrol},
+ {SOF_TPLG_KCTL_SWITCH_ID, snd_sof_dspless_kcontrol, snd_sof_dspless_kcontrol},
+};
+
+static int snd_sof_dspless_bytes_ext_get(struct snd_kcontrol *kcontrol,
+ unsigned int __user *binary_data,
+ unsigned int size)
+{
+ return 0;
+}
+
+static int snd_sof_dspless_bytes_ext_put(struct snd_kcontrol *kcontrol,
+ const unsigned int __user *binary_data,
+ unsigned int size)
+{
+ return 0;
+}
+
+static const struct snd_soc_tplg_bytes_ext_ops sof_dspless_bytes_ext_ops[] = {
+ {SOF_TPLG_KCTL_BYTES_ID, snd_sof_dspless_bytes_ext_get, snd_sof_dspless_bytes_ext_put},
+ {SOF_TPLG_KCTL_BYTES_VOLATILE_RO, snd_sof_dspless_bytes_ext_get},
+};
+
+/* external widget init - used for any driver specific init */
+static int sof_dspless_widget_ready(struct snd_soc_component *scomp, int index,
+ struct snd_soc_dapm_widget *w,
+ struct snd_soc_tplg_dapm_widget *tw)
+{
+ if (WIDGET_IS_DAI(w->id)) {
+ struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
+ struct snd_sof_widget *swidget;
+ struct snd_sof_dai dai;
+ int ret;
+
+ swidget = kzalloc(sizeof(*swidget), GFP_KERNEL);
+ if (!swidget)
+ return -ENOMEM;
+
+ memset(&dai, 0, sizeof(dai));
+
+ ret = sof_connect_dai_widget(scomp, w, tw, &dai);
+ if (ret) {
+ kfree(swidget);
+ return ret;
+ }
+
+ swidget->scomp = scomp;
+ swidget->widget = w;
+ mutex_init(&swidget->setup_mutex);
+ w->dobj.private = swidget;
+ list_add(&swidget->list, &sdev->widget_list);
+ }
+
+ return 0;
+}
+
+static int sof_dspless_widget_unload(struct snd_soc_component *scomp,
+ struct snd_soc_dobj *dobj)
+{
+ struct snd_soc_dapm_widget *w = container_of(dobj, struct snd_soc_dapm_widget, dobj);
+
+ if (WIDGET_IS_DAI(w->id)) {
+ struct snd_sof_widget *swidget = dobj->private;
+
+ sof_disconnect_dai_widget(scomp, w);
+
+ if (!swidget)
+ return 0;
+
+ /* remove and free swidget object */
+ list_del(&swidget->list);
+ kfree(swidget);
+ }
+
+ return 0;
+}
+
+static int sof_dspless_link_load(struct snd_soc_component *scomp, int index,
+ struct snd_soc_dai_link *link,
+ struct snd_soc_tplg_link_config *cfg)
+{
+ link->platforms->name = dev_name(scomp->dev);
+
+ /* Set nonatomic property for FE dai links for FE-BE compatibility */
+ if (!link->no_pcm)
+ link->nonatomic = true;
+
+ return 0;
+}
+
+static struct snd_soc_tplg_ops sof_dspless_tplg_ops = {
+ /* external widget init - used for any driver specific init */
+ .widget_ready = sof_dspless_widget_ready,
+ .widget_unload = sof_dspless_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_dspless_link_load,
+
+ /* vendor specific kcontrol handlers available for binding */
+ .io_ops = sof_dspless_io_ops,
+ .io_ops_count = ARRAY_SIZE(sof_dspless_io_ops),
+
+ /* vendor specific bytes ext handlers available for binding */
+ .bytes_ext_ops = sof_dspless_bytes_ext_ops,
+ .bytes_ext_ops_count = ARRAY_SIZE(sof_dspless_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;
+ }
+
+ if (sdev->dspless_mode_selected)
+ ret = snd_soc_tplg_component_load(scomp, &sof_dspless_tplg_ops, fw);
+ else
+ 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);