diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /sound/soc/sof/ipc4-loader.c | |
parent | Initial commit. (diff) | |
download | linux-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 'sound/soc/sof/ipc4-loader.c')
-rw-r--r-- | sound/soc/sof/ipc4-loader.c | 491 |
1 files changed, 491 insertions, 0 deletions
diff --git a/sound/soc/sof/ipc4-loader.c b/sound/soc/sof/ipc4-loader.c new file mode 100644 index 0000000000..4d37e89b59 --- /dev/null +++ b/sound/soc/sof/ipc4-loader.c @@ -0,0 +1,491 @@ +// 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) 2022 Intel Corporation. All rights reserved. + +#include <linux/firmware.h> +#include <sound/sof/ext_manifest4.h> +#include <sound/sof/ipc4/header.h> +#include <trace/events/sof.h> +#include "ipc4-priv.h" +#include "sof-audio.h" +#include "sof-priv.h" +#include "ops.h" + +/* The module ID includes the id of the library it is part of at offset 12 */ +#define SOF_IPC4_MOD_LIB_ID_SHIFT 12 + +static ssize_t sof_ipc4_fw_parse_ext_man(struct snd_sof_dev *sdev, + struct sof_ipc4_fw_library *fw_lib) +{ + struct sof_ipc4_fw_data *ipc4_data = sdev->private; + const struct firmware *fw = fw_lib->sof_fw.fw; + struct sof_man4_fw_binary_header *fw_header; + struct sof_ext_manifest4_hdr *ext_man_hdr; + struct sof_man4_module_config *fm_config; + struct sof_ipc4_fw_module *fw_module; + struct sof_man4_module *fm_entry; + ssize_t remaining; + u32 fw_hdr_offset; + int i; + + if (!ipc4_data) { + dev_err(sdev->dev, "%s: ipc4_data is not available\n", __func__); + return -EINVAL; + } + + remaining = fw->size; + if (remaining <= sizeof(*ext_man_hdr)) { + dev_err(sdev->dev, "Firmware size is too small: %zu\n", remaining); + return -EINVAL; + } + + ext_man_hdr = (struct sof_ext_manifest4_hdr *)fw->data; + + /* + * At the start of the firmware image we must have an extended manifest. + * Verify that the magic number is correct. + */ + if (ext_man_hdr->id != SOF_EXT_MAN4_MAGIC_NUMBER) { + dev_err(sdev->dev, + "Unexpected extended manifest magic number: %#x\n", + ext_man_hdr->id); + return -EINVAL; + } + + fw_hdr_offset = ipc4_data->manifest_fw_hdr_offset; + if (!fw_hdr_offset) + return -EINVAL; + + if (remaining <= ext_man_hdr->len + fw_hdr_offset + sizeof(*fw_header)) { + dev_err(sdev->dev, "Invalid firmware size %zu, should be at least %zu\n", + remaining, ext_man_hdr->len + fw_hdr_offset + sizeof(*fw_header)); + return -EINVAL; + } + + fw_header = (struct sof_man4_fw_binary_header *) + (fw->data + ext_man_hdr->len + fw_hdr_offset); + remaining -= (ext_man_hdr->len + fw_hdr_offset); + + if (remaining <= fw_header->len) { + dev_err(sdev->dev, "Invalid fw_header->len %u\n", fw_header->len); + return -EINVAL; + } + + dev_info(sdev->dev, "Loaded firmware library: %s, version: %u.%u.%u.%u\n", + fw_header->name, fw_header->major_version, fw_header->minor_version, + fw_header->hotfix_version, fw_header->build_version); + dev_dbg(sdev->dev, "Header length: %u, module count: %u\n", + fw_header->len, fw_header->num_module_entries); + + fw_lib->modules = devm_kmalloc_array(sdev->dev, fw_header->num_module_entries, + sizeof(*fw_module), GFP_KERNEL); + if (!fw_lib->modules) + return -ENOMEM; + + fw_lib->name = fw_header->name; + fw_lib->num_modules = fw_header->num_module_entries; + fw_module = fw_lib->modules; + + fm_entry = (struct sof_man4_module *)((u8 *)fw_header + fw_header->len); + remaining -= fw_header->len; + + if (remaining < fw_header->num_module_entries * sizeof(*fm_entry)) { + dev_err(sdev->dev, "Invalid num_module_entries %u\n", + fw_header->num_module_entries); + return -EINVAL; + } + + fm_config = (struct sof_man4_module_config *) + (fm_entry + fw_header->num_module_entries); + remaining -= (fw_header->num_module_entries * sizeof(*fm_entry)); + for (i = 0; i < fw_header->num_module_entries; i++) { + memcpy(&fw_module->man4_module_entry, fm_entry, sizeof(*fm_entry)); + + if (fm_entry->cfg_count) { + if (remaining < (fm_entry->cfg_offset + fm_entry->cfg_count) * + sizeof(*fm_config)) { + dev_err(sdev->dev, "Invalid module cfg_offset %u\n", + fm_entry->cfg_offset); + return -EINVAL; + } + + fw_module->fw_mod_cfg = &fm_config[fm_entry->cfg_offset]; + + dev_dbg(sdev->dev, + "module %s: UUID %pUL cfg_count: %u, bss_size: %#x\n", + fm_entry->name, &fm_entry->uuid, fm_entry->cfg_count, + fm_config[fm_entry->cfg_offset].is_bytes); + } else { + dev_dbg(sdev->dev, "module %s: UUID %pUL\n", fm_entry->name, + &fm_entry->uuid); + } + + fw_module->man4_module_entry.id = i; + ida_init(&fw_module->m_ida); + fw_module->private = NULL; + + fw_module++; + fm_entry++; + } + + return ext_man_hdr->len; +} + +static size_t sof_ipc4_fw_parse_basefw_ext_man(struct snd_sof_dev *sdev) +{ + struct sof_ipc4_fw_data *ipc4_data = sdev->private; + struct sof_ipc4_fw_library *fw_lib; + ssize_t payload_offset; + int ret; + + fw_lib = devm_kzalloc(sdev->dev, sizeof(*fw_lib), GFP_KERNEL); + if (!fw_lib) + return -ENOMEM; + + fw_lib->sof_fw.fw = sdev->basefw.fw; + + payload_offset = sof_ipc4_fw_parse_ext_man(sdev, fw_lib); + if (payload_offset > 0) { + fw_lib->sof_fw.payload_offset = payload_offset; + + /* basefw ID is 0 */ + fw_lib->id = 0; + ret = xa_insert(&ipc4_data->fw_lib_xa, 0, fw_lib, GFP_KERNEL); + if (ret) + return ret; + } + + return payload_offset; +} + +static int sof_ipc4_load_library_by_uuid(struct snd_sof_dev *sdev, + unsigned long lib_id, const guid_t *uuid) +{ + struct sof_ipc4_fw_data *ipc4_data = sdev->private; + struct sof_ipc4_fw_library *fw_lib; + const char *fw_filename; + ssize_t payload_offset; + int ret, i, err; + + if (!sdev->pdata->fw_lib_prefix) { + dev_err(sdev->dev, + "Library loading is not supported due to not set library path\n"); + return -EINVAL; + } + + if (!ipc4_data->load_library) { + dev_err(sdev->dev, "Library loading is not supported on this platform\n"); + return -EOPNOTSUPP; + } + + fw_lib = devm_kzalloc(sdev->dev, sizeof(*fw_lib), GFP_KERNEL); + if (!fw_lib) + return -ENOMEM; + + fw_filename = kasprintf(GFP_KERNEL, "%s/%pUL.bin", + sdev->pdata->fw_lib_prefix, uuid); + if (!fw_filename) { + ret = -ENOMEM; + goto free_fw_lib; + } + + ret = request_firmware(&fw_lib->sof_fw.fw, fw_filename, sdev->dev); + if (ret < 0) { + dev_err(sdev->dev, "Library file '%s' is missing\n", fw_filename); + goto free_filename; + } else { + dev_dbg(sdev->dev, "Library file '%s' loaded\n", fw_filename); + } + + payload_offset = sof_ipc4_fw_parse_ext_man(sdev, fw_lib); + if (payload_offset <= 0) { + if (!payload_offset) + ret = -EINVAL; + else + ret = payload_offset; + + goto release; + } + + fw_lib->sof_fw.payload_offset = payload_offset; + fw_lib->id = lib_id; + + /* Fix up the module ID numbers within the library */ + for (i = 0; i < fw_lib->num_modules; i++) + fw_lib->modules[i].man4_module_entry.id |= (lib_id << SOF_IPC4_MOD_LIB_ID_SHIFT); + + /* + * Make sure that the DSP is booted and stays up while attempting the + * loading the library for the first time + */ + ret = pm_runtime_resume_and_get(sdev->dev); + if (ret < 0 && ret != -EACCES) { + dev_err_ratelimited(sdev->dev, "%s: pm_runtime resume failed: %d\n", + __func__, ret); + goto release; + } + + ret = ipc4_data->load_library(sdev, fw_lib, false); + + pm_runtime_mark_last_busy(sdev->dev); + err = pm_runtime_put_autosuspend(sdev->dev); + if (err < 0) + dev_err_ratelimited(sdev->dev, "%s: pm_runtime idle failed: %d\n", + __func__, err); + + if (ret) + goto release; + + ret = xa_insert(&ipc4_data->fw_lib_xa, lib_id, fw_lib, GFP_KERNEL); + if (unlikely(ret)) + goto release; + + kfree(fw_filename); + + return 0; + +release: + release_firmware(fw_lib->sof_fw.fw); + /* Allocated within sof_ipc4_fw_parse_ext_man() */ + devm_kfree(sdev->dev, fw_lib->modules); +free_filename: + kfree(fw_filename); +free_fw_lib: + devm_kfree(sdev->dev, fw_lib); + + return ret; +} + +struct sof_ipc4_fw_module *sof_ipc4_find_module_by_uuid(struct snd_sof_dev *sdev, + const guid_t *uuid) +{ + struct sof_ipc4_fw_data *ipc4_data = sdev->private; + struct sof_ipc4_fw_library *fw_lib; + unsigned long lib_id; + int i, ret; + + if (guid_is_null(uuid)) + return NULL; + + xa_for_each(&ipc4_data->fw_lib_xa, lib_id, fw_lib) { + for (i = 0; i < fw_lib->num_modules; i++) { + if (guid_equal(uuid, &fw_lib->modules[i].man4_module_entry.uuid)) + return &fw_lib->modules[i]; + } + } + + /* + * Do not attempt to load external library in case the maximum number of + * firmware libraries have been already loaded + */ + if ((lib_id + 1) == ipc4_data->max_libs_count) { + dev_err(sdev->dev, + "%s: Maximum allowed number of libraries reached (%u)\n", + __func__, ipc4_data->max_libs_count); + return NULL; + } + + /* The module cannot be found, try to load it as a library */ + ret = sof_ipc4_load_library_by_uuid(sdev, lib_id + 1, uuid); + if (ret) + return NULL; + + /* Look for the module in the newly loaded library, it should be available now */ + xa_for_each_start(&ipc4_data->fw_lib_xa, lib_id, fw_lib, lib_id) { + for (i = 0; i < fw_lib->num_modules; i++) { + if (guid_equal(uuid, &fw_lib->modules[i].man4_module_entry.uuid)) + return &fw_lib->modules[i]; + } + } + + return NULL; +} + +static int sof_ipc4_validate_firmware(struct snd_sof_dev *sdev) +{ + struct sof_ipc4_fw_data *ipc4_data = sdev->private; + u32 fw_hdr_offset = ipc4_data->manifest_fw_hdr_offset; + struct sof_man4_fw_binary_header *fw_header; + const struct firmware *fw = sdev->basefw.fw; + struct sof_ext_manifest4_hdr *ext_man_hdr; + + ext_man_hdr = (struct sof_ext_manifest4_hdr *)fw->data; + fw_header = (struct sof_man4_fw_binary_header *) + (fw->data + ext_man_hdr->len + fw_hdr_offset); + + /* TODO: Add firmware verification code here */ + + dev_dbg(sdev->dev, "Validated firmware version: %u.%u.%u.%u\n", + fw_header->major_version, fw_header->minor_version, + fw_header->hotfix_version, fw_header->build_version); + + return 0; +} + +int sof_ipc4_query_fw_configuration(struct snd_sof_dev *sdev) +{ + struct sof_ipc4_fw_data *ipc4_data = sdev->private; + const struct sof_ipc_ops *iops = sdev->ipc->ops; + struct sof_ipc4_fw_version *fw_ver; + struct sof_ipc4_tuple *tuple; + struct sof_ipc4_msg msg; + size_t offset = 0; + int ret; + + /* Get the firmware configuration */ + msg.primary = SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG); + msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST); + msg.primary |= SOF_IPC4_MOD_ID(SOF_IPC4_MOD_INIT_BASEFW_MOD_ID); + msg.primary |= SOF_IPC4_MOD_INSTANCE(SOF_IPC4_MOD_INIT_BASEFW_INSTANCE_ID); + msg.extension = SOF_IPC4_MOD_EXT_MSG_PARAM_ID(SOF_IPC4_FW_PARAM_FW_CONFIG); + + msg.data_size = sdev->ipc->max_payload_size; + msg.data_ptr = kzalloc(msg.data_size, GFP_KERNEL); + if (!msg.data_ptr) + return -ENOMEM; + + ret = iops->set_get_data(sdev, &msg, msg.data_size, false); + if (ret) + goto out; + + while (offset < msg.data_size) { + tuple = (struct sof_ipc4_tuple *)((u8 *)msg.data_ptr + offset); + + switch (tuple->type) { + case SOF_IPC4_FW_CFG_FW_VERSION: + fw_ver = (struct sof_ipc4_fw_version *)tuple->value; + + dev_info(sdev->dev, + "Booted firmware version: %u.%u.%u.%u\n", + fw_ver->major, fw_ver->minor, fw_ver->hotfix, + fw_ver->build); + break; + case SOF_IPC4_FW_CFG_DL_MAILBOX_BYTES: + trace_sof_ipc4_fw_config(sdev, "DL mailbox size", *tuple->value); + break; + case SOF_IPC4_FW_CFG_UL_MAILBOX_BYTES: + trace_sof_ipc4_fw_config(sdev, "UL mailbox size", *tuple->value); + break; + case SOF_IPC4_FW_CFG_TRACE_LOG_BYTES: + trace_sof_ipc4_fw_config(sdev, "Trace log size", *tuple->value); + ipc4_data->mtrace_log_bytes = *tuple->value; + break; + case SOF_IPC4_FW_CFG_MAX_LIBS_COUNT: + trace_sof_ipc4_fw_config(sdev, "maximum number of libraries", + *tuple->value); + ipc4_data->max_libs_count = *tuple->value; + if (!ipc4_data->max_libs_count) + ipc4_data->max_libs_count = 1; + break; + case SOF_IPC4_FW_CFG_MAX_PPL_COUNT: + ipc4_data->max_num_pipelines = *tuple->value; + trace_sof_ipc4_fw_config(sdev, "Max PPL count %d", + ipc4_data->max_num_pipelines); + if (ipc4_data->max_num_pipelines <= 0) { + dev_err(sdev->dev, "Invalid max_num_pipelines %d", + ipc4_data->max_num_pipelines); + ret = -EINVAL; + goto out; + } + break; + default: + break; + } + + offset += sizeof(*tuple) + tuple->size; + } + +out: + kfree(msg.data_ptr); + + return ret; +} + +int sof_ipc4_reload_fw_libraries(struct snd_sof_dev *sdev) +{ + struct sof_ipc4_fw_data *ipc4_data = sdev->private; + struct sof_ipc4_fw_library *fw_lib; + unsigned long lib_id; + int ret = 0; + + xa_for_each_start(&ipc4_data->fw_lib_xa, lib_id, fw_lib, 1) { + ret = ipc4_data->load_library(sdev, fw_lib, true); + if (ret) { + dev_err(sdev->dev, "%s: Failed to reload library: %s, %d\n", + __func__, fw_lib->name, ret); + break; + } + } + + return ret; +} + +/** + * sof_ipc4_update_cpc_from_manifest - Update the cpc in base config from manifest + * @sdev: SOF device + * @fw_module: pointer struct sof_ipc4_fw_module to parse + * @basecfg: Pointer to the base_config to update + */ +void sof_ipc4_update_cpc_from_manifest(struct snd_sof_dev *sdev, + struct sof_ipc4_fw_module *fw_module, + struct sof_ipc4_base_module_cfg *basecfg) +{ + const struct sof_man4_module_config *fw_mod_cfg; + u32 cpc_pick = 0; + u32 max_cpc = 0; + const char *msg; + int i; + + if (!fw_module->fw_mod_cfg) { + msg = "No mod_cfg available for CPC lookup in the firmware file's manifest"; + goto no_cpc; + } + + /* + * Find the best matching (highest) CPC value based on the module's + * IBS/OBS configuration inferred from the audio format selection. + * + * The CPC value in each module config entry has been measured and + * recorded as a IBS/OBS/CPC triplet and stored in the firmware file's + * manifest + */ + fw_mod_cfg = fw_module->fw_mod_cfg; + for (i = 0; i < fw_module->man4_module_entry.cfg_count; i++) { + if (basecfg->obs == fw_mod_cfg[i].obs && + basecfg->ibs == fw_mod_cfg[i].ibs && + cpc_pick < fw_mod_cfg[i].cpc) + cpc_pick = fw_mod_cfg[i].cpc; + + if (max_cpc < fw_mod_cfg[i].cpc) + max_cpc = fw_mod_cfg[i].cpc; + } + + basecfg->cpc = cpc_pick; + + /* We have a matching configuration for CPC */ + if (basecfg->cpc) + return; + + /* + * No matching IBS/OBS found, the firmware manifest is missing + * information in the module's module configuration table. + */ + if (!max_cpc) + msg = "No CPC value available in the firmware file's manifest"; + else if (!cpc_pick) + msg = "No CPC match in the firmware file's manifest"; + +no_cpc: + dev_dbg(sdev->dev, "%s (UUID: %pUL): %s (ibs/obs: %u/%u)\n", + fw_module->man4_module_entry.name, + &fw_module->man4_module_entry.uuid, msg, basecfg->ibs, + basecfg->obs); +} + +const struct sof_ipc_fw_loader_ops ipc4_loader_ops = { + .validate = sof_ipc4_validate_firmware, + .parse_ext_manifest = sof_ipc4_fw_parse_basefw_ext_man, +}; |