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