From 9fdc525713f0c754b3c735067686f9ab6a118bd9 Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Wed, 7 Oct 2026 11:49:46 +0300 Subject: [PATCH] ASoC: SOF: ipc4/ipc4-loader: Add SOF_INFO and CODEC_INFO to fw_config_params SOF_INFO (id == 35) tuple holds tuple structured information about SOF features. The first entry in SOF_INFO is the SOF_CODEC_INFO (id == 0) which contains information about the supported codecs for decode/encode in the booted firmware. If present in the fw_config payload, make a copy of it and store it sof_ipc4_fw_data->codec_info to be used by the compressed code. Signed-off-by: Peter Ujfalusi Reviewed-by: Liam Girdwood Link: https://patch.msgid.link/20261007084955.1256-20-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown --- include/sound/sof/ipc4/header.h | 18 ++++++++++------ sound/soc/sof/ipc4-loader.c | 37 +++++++++++++++++++++++++++++++++ sound/soc/sof/ipc4-priv.h | 4 ++++ 3 files changed, 53 insertions(+), 6 deletions(-) diff --git a/include/sound/sof/ipc4/header.h b/include/sound/sof/ipc4/header.h index e5161f0a37e8..dd1e0d1cf0d8 100644 --- a/include/sound/sof/ipc4/header.h +++ b/include/sound/sof/ipc4/header.h @@ -436,12 +436,10 @@ enum sof_ipc4_fw_config_params { SOF_IPC4_FW_CFG_RESERVED, SOF_IPC4_FW_CFG_POWER_GATING_POLICY, SOF_IPC4_FW_CFG_ASSERT_MODE, - SOF_IPC4_FW_RESERVED1, - SOF_IPC4_FW_RESERVED2, - SOF_IPC4_FW_RESERVED3, - SOF_IPC4_FW_RESERVED4, - SOF_IPC4_FW_RESERVED5, - SOF_IPC4_FW_CONTEXT_SAVE + /* Reserved: 24 - 28 */ + SOF_IPC4_FW_CONTEXT_SAVE = 29, + /* Reserved: 30 - 34 */ + SOF_IPC4_FW_CFG_SOF_INFO = 35, }; struct sof_ipc4_fw_version { @@ -451,6 +449,14 @@ struct sof_ipc4_fw_version { uint16_t build; } __packed; +/* + * tuple based array for SOF specific information under SOF_IPC4_FW_CFG_SOF_INFO + * tuple of fw_config + */ +enum ipc4_fw_sof_info_params { + SOF_IPC4_SOF_CODEC_INFO, +}; + /* Payload data for SOF_IPC4_MOD_SET_DX */ struct sof_ipc4_dx_state_info { /* core(s) to apply the change */ diff --git a/sound/soc/sof/ipc4-loader.c b/sound/soc/sof/ipc4-loader.c index 07a78cb3c25c..2dff394f4128 100644 --- a/sound/soc/sof/ipc4-loader.c +++ b/sound/soc/sof/ipc4-loader.c @@ -408,6 +408,38 @@ static int sof_ipc4_validate_firmware(struct snd_sof_dev *sdev) return 0; } +static int sof_ipc4_query_sof_info(struct snd_sof_dev *sdev, + void *sof_info_data, u32 sof_info_size) +{ + struct sof_ipc4_fw_data *ipc4_data = sdev->private; + struct sof_ipc4_tuple *tuple; + size_t offset = 0; + + /* + * No size validation is needed as the sof_info data is coming from + * firmware as part of the firmware config, it is guarantied to be + * correct. + */ + while (offset < sof_info_size) { + tuple = (struct sof_ipc4_tuple *)((u8 *)sof_info_data + offset); + + switch (tuple->type) { + case SOF_IPC4_SOF_CODEC_INFO: + ipc4_data->codec_info = devm_kmemdup(sdev->dev, tuple->value, + tuple->size, GFP_KERNEL); + if (!ipc4_data->codec_info) + return -ENOMEM; + break; + default: + break; + } + + offset += sizeof(*tuple) + tuple->size; + } + + return 0; +} + int sof_ipc4_query_fw_configuration(struct snd_sof_dev *sdev) { struct sof_ipc4_fw_data *ipc4_data = sdev->private; @@ -483,6 +515,11 @@ int sof_ipc4_query_fw_configuration(struct snd_sof_dev *sdev) */ ipc4_data->libraries_restored = ipc4_data->fw_context_save; break; + case SOF_IPC4_FW_CFG_SOF_INFO: + ret = sof_ipc4_query_sof_info(sdev, tuple->value, tuple->size); + if (ret) + goto out; + break; default: break; } diff --git a/sound/soc/sof/ipc4-priv.h b/sound/soc/sof/ipc4-priv.h index 7c0861d63bef..07df6799c7a8 100644 --- a/sound/soc/sof/ipc4-priv.h +++ b/sound/soc/sof/ipc4-priv.h @@ -75,6 +75,8 @@ struct sof_ipc4_fw_library { * @fw_context_save: Firmware supports full context save and restore * @libraries_restored: The libraries have been retained during firmware boot * + * @codec_info: Information about the available codecs in booted firmware. The + * data is to be used by the code for compressed support. * @load_library: Callback function for platform dependent library loading * @pipeline_state_mutex: Mutex to protect pipeline triggers, ref counts, states and deletion */ @@ -91,6 +93,8 @@ struct sof_ipc4_fw_data { bool fw_context_save; bool libraries_restored; + void *codec_info; + int (*load_library)(struct snd_sof_dev *sdev, struct sof_ipc4_fw_library *fw_lib, bool reload); void (*intel_configure_mic_privacy)(struct snd_sof_dev *sdev,