diff options
Diffstat (limited to 'sound/soc/intel/common/sof-function-topology-lib.c')
| -rw-r--r-- | sound/soc/intel/common/sof-function-topology-lib.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/sound/soc/intel/common/sof-function-topology-lib.c b/sound/soc/intel/common/sof-function-topology-lib.c new file mode 100644 index 000000000000..90fe7aa3df1c --- /dev/null +++ b/sound/soc/intel/common/sof-function-topology-lib.c @@ -0,0 +1,135 @@ +// 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; +} + |