--- /dev/null
+// 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 "ipc4-priv.h"
+#include "sof-audio.h"
+#include "sof-priv.h"
+#include "ops.h"
+
+static size_t sof_ipc4_fw_parse_ext_man(struct snd_sof_dev *sdev)
+{
+ struct sof_ipc4_fw_data *ipc4_data = sdev->private;
+ struct snd_sof_pdata *plat_data = sdev->pdata;
+ struct sof_man4_fw_binary_header *fw_header;
+ const struct firmware *fw = plat_data->fw;
+ 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;
+
+ 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 version: %u.%u.%u.%u\n",
+ fw_header->major_version, fw_header->minor_version,
+ fw_header->hotfix_version, fw_header->build_version);
+ dev_dbg(sdev->dev, "Firmware name: %s, header length: %u, module count: %u\n",
+ fw_header->name, fw_header->len, fw_header->num_module_entries);
+
+ ipc4_data->fw_modules = devm_kmalloc_array(sdev->dev,
+ fw_header->num_module_entries,
+ sizeof(*fw_module), GFP_KERNEL);
+ if (!ipc4_data->fw_modules)
+ return -ENOMEM;
+
+ ipc4_data->num_fw_modules = fw_header->num_module_entries;
+ fw_module = ipc4_data->fw_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;
+ }
+
+ /* a module's config is always the same size */
+ fw_module->bss_size = fm_config[fm_entry->cfg_offset].is_bytes;
+
+ 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,
+ fw_module->bss_size);
+ } else {
+ fw_module->bss_size = 0;
+
+ 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 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 snd_sof_pdata *plat_data = sdev->pdata;
+ struct sof_man4_fw_binary_header *fw_header;
+ const struct firmware *fw = plat_data->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;
+}
+
+static int sof_ipc4_query_fw_configuration(struct snd_sof_dev *sdev)
+{
+ 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:
+ dev_vdbg(sdev->dev, "DL mailbox size: %u\n", *tuple->value);
+ break;
+ case SOF_IPC4_FW_CFG_UL_MAILBOX_BYTES:
+ dev_vdbg(sdev->dev, "UL mailbox size: %u\n", *tuple->value);
+ break;
+ case SOF_IPC4_FW_CFG_TRACE_LOG_BYTES:
+ dev_vdbg(sdev->dev, "Trace log size: %u\n", *tuple->value);
+ break;
+ default:
+ break;
+ }
+
+ offset += sizeof(*tuple) + tuple->size;
+ }
+
+out:
+ kfree(msg.data_ptr);
+
+ return ret;
+}
+
+const struct sof_ipc_fw_loader_ops ipc4_loader_ops = {
+ .validate = sof_ipc4_validate_firmware,
+ .parse_ext_manifest = sof_ipc4_fw_parse_ext_man,
+ .query_fw_configuration = sof_ipc4_query_fw_configuration,
+};
projects / linux-2.6-microblaze.git / commitdiff