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ASoC: Intel: add sof_sdw_get_tplg_files ops
Add sof_sdw_get_tplg_files ops to get sub-topology file names for the sof_sdw card. Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
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Lines changed: 152 additions & 1 deletion

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‎sound/soc/intel/common/Makefile‎

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@@ -12,7 +12,7 @@ snd-soc-acpi-intel-match-y := soc-acpi-intel-byt-match.o soc-acpi-intel-cht-matc
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soc-acpi-intel-lnl-match.o \
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soc-acpi-intel-ptl-match.o \
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soc-acpi-intel-hda-match.o \
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soc-acpi-intel-sdw-mockup-match.o
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soc-acpi-intel-sdw-mockup-match.o sof-function-topology-lib.o
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snd-soc-acpi-intel-match-y += soc-acpi-intel-ssp-common.o
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‎sound/soc/intel/common/sof-function-topology-lib.c‎

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// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
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//
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// This file is provided under a dual BSD/GPLv2 license. When using or
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// redistributing this file, you may do so under either license.
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//
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// Copyright(c) 2025 Intel Corporation.
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//
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#include <linux/device.h>
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#include <linux/errno.h>
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#include <linux/firmware.h>
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#include <sound/soc.h>
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#include <sound/soc-acpi.h>
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#include "sof-function-topology-lib.h"
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enum tplg_device_id {
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TPLG_DEVICE_SDCA_JACK,
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TPLG_DEVICE_SDCA_AMP,
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TPLG_DEVICE_SDCA_MIC,
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TPLG_DEVICE_INTEL_PCH_DMIC,
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TPLG_DEVICE_HDMI,
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TPLG_DEVICE_MAX
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};
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#define SDCA_DEVICE_MASK (BIT(TPLG_DEVICE_SDCA_JACK) | BIT(TPLG_DEVICE_SDCA_AMP) | \
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BIT(TPLG_DEVICE_SDCA_MIC))
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#define SOF_INTEL_PLATFORM_NAME_MAX 4
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int sof_sdw_get_tplg_files(struct snd_soc_card *card, const struct snd_soc_acpi_mach *mach,
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const char *prefix, const char ***tplg_files)
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{
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struct snd_soc_acpi_mach_params mach_params = mach->mach_params;
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struct snd_soc_dai_link *dai_link;
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const struct firmware *fw;
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char platform[SOF_INTEL_PLATFORM_NAME_MAX];
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unsigned long tplg_mask = 0;
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int tplg_num = 0;
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int tplg_dev;
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int ret;
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int i;
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ret = sscanf(mach->sof_tplg_filename, "sof-%3s-*.tplg", platform);
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if (ret != 1) {
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dev_err(card->dev, "Invalid platform name %s of tplg %s\n",
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platform, mach->sof_tplg_filename);
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return -EINVAL;
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}
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for_each_card_prelinks(card, i, dai_link) {
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char *tplg_dev_name;
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dev_dbg(card->dev, "dai_link %s id %d\n", dai_link->name, dai_link->id);
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if (strstr(dai_link->name, "SimpleJack")) {
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tplg_dev = TPLG_DEVICE_SDCA_JACK;
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tplg_dev_name = "sdca-jack";
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} else if (strstr(dai_link->name, "SmartAmp")) {
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tplg_dev = TPLG_DEVICE_SDCA_AMP;
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tplg_dev_name = devm_kasprintf(card->dev, GFP_KERNEL,
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"sdca-%damp", dai_link->num_cpus);
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if (!tplg_dev_name)
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return -ENOMEM;
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} else if (strstr(dai_link->name, "SmartMic")) {
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tplg_dev = TPLG_DEVICE_SDCA_MIC;
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tplg_dev_name = "sdca-mic";
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} else if (strstr(dai_link->name, "dmic")) {
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switch (mach_params.dmic_num) {
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case 2:
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tplg_dev_name = "dmic-2ch";
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break;
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case 4:
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tplg_dev_name = "dmic-4ch";
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break;
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default:
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dev_warn(card->dev,
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"only -2ch and -4ch are supported for dmic\n");
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continue;
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}
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tplg_dev = TPLG_DEVICE_INTEL_PCH_DMIC;
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} else if (strstr(dai_link->name, "iDisp")) {
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tplg_dev = TPLG_DEVICE_HDMI;
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tplg_dev_name = "hdmi-pcm5";
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} else {
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/* The dai link is not supported by seperated tplg yet */
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dev_dbg(card->dev,
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"dai_link %s is not supported by seperated tplg yet\n",
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dai_link->name);
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return 0;
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}
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if (tplg_mask & BIT(tplg_dev))
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continue;
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tplg_mask |= BIT(tplg_dev);
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/*
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* The tplg file naming rule is sof-<platform>-<function>-id<BE id number>.tplg
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* where <platform> is only required for the DMIC function as the nhlt blob
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* is platform dependent.
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*/
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switch (tplg_dev) {
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case TPLG_DEVICE_INTEL_PCH_DMIC:
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(*tplg_files)[tplg_num] = devm_kasprintf(card->dev, GFP_KERNEL,
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"%s/sof-%s-%s-id%d.tplg",
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prefix, platform,
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tplg_dev_name, dai_link->id);
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break;
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default:
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(*tplg_files)[tplg_num] = devm_kasprintf(card->dev, GFP_KERNEL,
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"%s/sof-%s-id%d.tplg",
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prefix, tplg_dev_name,
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dai_link->id);
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break;
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}
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if (!(*tplg_files)[tplg_num])
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return -ENOMEM;
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tplg_num++;
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}
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dev_dbg(card->dev, "tplg_mask %#lx tplg_num %d\n", tplg_mask, tplg_num);
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/* Check presence of sub-topologies */
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for (i = 0; i < tplg_num; i++) {
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ret = firmware_request_nowarn(&fw, (*tplg_files)[i], card->dev);
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if (!ret) {
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release_firmware(fw);
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} else {
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dev_dbg(card->dev, "Failed to open topology file: %s\n", (*tplg_files)[i]);
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return 0;
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}
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}
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return tplg_num;
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}
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‎sound/soc/intel/common/sof-function-topology-lib.h‎

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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* soc-acpi-intel-get-tplg.h - get-tplg-files ops
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*
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* Copyright (c) 2025, Intel Corporation.
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*
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*/
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#ifndef _SND_SOC_ACPI_INTEL_GET_TPLG_H
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#define _SND_SOC_ACPI_INTEL_GET_TPLG_H
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int sof_sdw_get_tplg_files(struct snd_soc_card *card, const struct snd_soc_acpi_mach *mach,
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const char *prefix, const char ***tplg_files);
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#endif

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