#include "sof-priv.h"
#include "ops.h"
-static int get_ext_windows(struct snd_sof_dev *sdev,
- const struct sof_ipc_ext_data_hdr *ext_hdr)
-{
- const struct sof_ipc_window *w =
- container_of(ext_hdr, struct sof_ipc_window, ext_hdr);
-
- if (w->num_windows == 0 || w->num_windows > SOF_IPC_MAX_ELEMS)
- return -EINVAL;
-
- if (sdev->info_window) {
- if (memcmp(sdev->info_window, w, ext_hdr->hdr.size)) {
- dev_err(sdev->dev, "error: mismatch between window descriptor from extended manifest and mailbox");
- return -EINVAL;
- }
- return 0;
- }
-
- /* keep a local copy of the data */
- sdev->info_window = devm_kmemdup(sdev->dev, w, ext_hdr->hdr.size,
- GFP_KERNEL);
- if (!sdev->info_window)
- return -ENOMEM;
-
- return 0;
-}
-
-static int get_cc_info(struct snd_sof_dev *sdev,
- const struct sof_ipc_ext_data_hdr *ext_hdr)
-{
- int ret;
-
- const struct sof_ipc_cc_version *cc =
- container_of(ext_hdr, struct sof_ipc_cc_version, ext_hdr);
-
- if (sdev->cc_version) {
- if (memcmp(sdev->cc_version, cc, cc->ext_hdr.hdr.size)) {
- dev_err(sdev->dev, "error: receive diverged cc_version descriptions");
- return -EINVAL;
- }
- return 0;
- }
-
- dev_dbg(sdev->dev, "Firmware info: used compiler %s %d:%d:%d%s used optimization flags %s\n",
- cc->name, cc->major, cc->minor, cc->micro, cc->desc,
- cc->optim);
-
- /* create read-only cc_version debugfs to store compiler version info */
- /* use local copy of the cc_version to prevent data corruption */
- if (sdev->first_boot) {
- sdev->cc_version = devm_kmalloc(sdev->dev, cc->ext_hdr.hdr.size,
- GFP_KERNEL);
-
- if (!sdev->cc_version)
- return -ENOMEM;
-
- memcpy(sdev->cc_version, cc, cc->ext_hdr.hdr.size);
- ret = snd_sof_debugfs_buf_item(sdev, sdev->cc_version,
- cc->ext_hdr.hdr.size,
- "cc_version", 0444);
-
- /* errors are only due to memory allocation, not debugfs */
- if (ret < 0) {
- dev_err(sdev->dev, "error: snd_sof_debugfs_buf_item failed\n");
- return ret;
- }
- }
-
- return 0;
-}
-
-static int ext_man_get_fw_version(struct snd_sof_dev *sdev,
- const struct sof_ext_man_elem_header *hdr)
-{
- const struct sof_ext_man_fw_version *v =
- container_of(hdr, struct sof_ext_man_fw_version, hdr);
-
- memcpy(&sdev->fw_ready.version, &v->version, sizeof(v->version));
- sdev->fw_ready.flags = v->flags;
-
- /* log ABI versions and check FW compatibility */
- return snd_sof_ipc_valid(sdev);
-}
-
-static int ext_man_get_windows(struct snd_sof_dev *sdev,
- const struct sof_ext_man_elem_header *hdr)
-{
- const struct sof_ext_man_window *w;
-
- w = container_of(hdr, struct sof_ext_man_window, hdr);
-
- return get_ext_windows(sdev, &w->ipc_window.ext_hdr);
-}
-
-static int ext_man_get_cc_info(struct snd_sof_dev *sdev,
- const struct sof_ext_man_elem_header *hdr)
-{
- const struct sof_ext_man_cc_version *cc;
-
- cc = container_of(hdr, struct sof_ext_man_cc_version, hdr);
-
- return get_cc_info(sdev, &cc->cc_version.ext_hdr);
-}
-
-static int ext_man_get_dbg_abi_info(struct snd_sof_dev *sdev,
- const struct sof_ext_man_elem_header *hdr)
-{
- const struct ext_man_dbg_abi *dbg_abi =
- container_of(hdr, struct ext_man_dbg_abi, hdr);
-
- if (sdev->first_boot)
- dev_dbg(sdev->dev,
- "Firmware: DBG_ABI %d:%d:%d\n",
- SOF_ABI_VERSION_MAJOR(dbg_abi->dbg_abi.abi_dbg_version),
- SOF_ABI_VERSION_MINOR(dbg_abi->dbg_abi.abi_dbg_version),
- SOF_ABI_VERSION_PATCH(dbg_abi->dbg_abi.abi_dbg_version));
-
- return 0;
-}
-
-static int ext_man_get_config_data(struct snd_sof_dev *sdev,
- const struct sof_ext_man_elem_header *hdr)
-{
- const struct sof_ext_man_config_data *config =
- container_of(hdr, struct sof_ext_man_config_data, hdr);
- const struct sof_config_elem *elem;
- int elems_counter;
- int elems_size;
- int ret = 0;
- int i;
-
- /* calculate elements counter */
- elems_size = config->hdr.size - sizeof(struct sof_ext_man_elem_header);
- elems_counter = elems_size / sizeof(struct sof_config_elem);
-
- dev_dbg(sdev->dev, "%s can hold up to %d config elements\n",
- __func__, elems_counter);
-
- for (i = 0; i < elems_counter; ++i) {
- elem = &config->elems[i];
- dev_dbg(sdev->dev, "%s get index %d token %d val %d\n",
- __func__, i, elem->token, elem->value);
- switch (elem->token) {
- case SOF_EXT_MAN_CONFIG_EMPTY:
- /* unused memory space is zero filled - mapped to EMPTY elements */
- break;
- case SOF_EXT_MAN_CONFIG_IPC_MSG_SIZE:
- /* TODO: use ipc msg size from config data */
- break;
- case SOF_EXT_MAN_CONFIG_MEMORY_USAGE_SCAN:
- if (sdev->first_boot && elem->value)
- ret = snd_sof_dbg_memory_info_init(sdev);
- break;
- default:
- dev_info(sdev->dev, "Unknown firmware configuration token %d value %d",
- elem->token, elem->value);
- break;
- }
- if (ret < 0) {
- dev_err(sdev->dev, "error: processing sof_ext_man_config_data failed for token %d value 0x%x, %d\n",
- elem->token, elem->value, ret);
- return ret;
- }
- }
-
- return 0;
-}
-
-static ssize_t snd_sof_ext_man_size(const struct firmware *fw)
-{
- const struct sof_ext_man_header *head;
-
- head = (struct sof_ext_man_header *)fw->data;
-
- /*
- * assert fw size is big enough to contain extended manifest header,
- * it prevents from reading unallocated memory from `head` in following
- * step.
- */
- if (fw->size < sizeof(*head))
- return -EINVAL;
-
- /*
- * When fw points to extended manifest,
- * then first u32 must be equal SOF_EXT_MAN_MAGIC_NUMBER.
- */
- if (head->magic == SOF_EXT_MAN_MAGIC_NUMBER)
- return head->full_size;
-
- /* otherwise given fw don't have an extended manifest */
- return 0;
-}
-
-/* parse extended FW manifest data structures */
-static int snd_sof_fw_ext_man_parse(struct snd_sof_dev *sdev,
- const struct firmware *fw)
-{
- const struct sof_ext_man_elem_header *elem_hdr;
- const struct sof_ext_man_header *head;
- ssize_t ext_man_size;
- ssize_t remaining;
- uintptr_t iptr;
- int ret = 0;
-
- head = (struct sof_ext_man_header *)fw->data;
- remaining = head->full_size - head->header_size;
- ext_man_size = snd_sof_ext_man_size(fw);
-
- /* Assert firmware starts with extended manifest */
- if (ext_man_size <= 0)
- return ext_man_size;
-
- /* incompatible version */
- if (SOF_EXT_MAN_VERSION_INCOMPATIBLE(SOF_EXT_MAN_VERSION,
- head->header_version)) {
- dev_err(sdev->dev, "error: extended manifest version 0x%X differ from used 0x%X\n",
- head->header_version, SOF_EXT_MAN_VERSION);
- return -EINVAL;
- }
-
- /* get first extended manifest element header */
- iptr = (uintptr_t)fw->data + head->header_size;
-
- while (remaining > sizeof(*elem_hdr)) {
- elem_hdr = (struct sof_ext_man_elem_header *)iptr;
-
- dev_dbg(sdev->dev, "found sof_ext_man header type %d size 0x%X\n",
- elem_hdr->type, elem_hdr->size);
-
- if (elem_hdr->size < sizeof(*elem_hdr) ||
- elem_hdr->size > remaining) {
- dev_err(sdev->dev, "error: invalid sof_ext_man header size, type %d size 0x%X\n",
- elem_hdr->type, elem_hdr->size);
- return -EINVAL;
- }
-
- /* process structure data */
- switch (elem_hdr->type) {
- case SOF_EXT_MAN_ELEM_FW_VERSION:
- ret = ext_man_get_fw_version(sdev, elem_hdr);
- break;
- case SOF_EXT_MAN_ELEM_WINDOW:
- ret = ext_man_get_windows(sdev, elem_hdr);
- break;
- case SOF_EXT_MAN_ELEM_CC_VERSION:
- ret = ext_man_get_cc_info(sdev, elem_hdr);
- break;
- case SOF_EXT_MAN_ELEM_DBG_ABI:
- ret = ext_man_get_dbg_abi_info(sdev, elem_hdr);
- break;
- case SOF_EXT_MAN_ELEM_CONFIG_DATA:
- ret = ext_man_get_config_data(sdev, elem_hdr);
- break;
- case SOF_EXT_MAN_ELEM_PLATFORM_CONFIG_DATA:
- ret = snd_sof_dsp_parse_platform_ext_manifest(sdev, elem_hdr);
- break;
- default:
- dev_info(sdev->dev, "unknown sof_ext_man header type %d size 0x%X\n",
- elem_hdr->type, elem_hdr->size);
- break;
- }
-
- if (ret < 0) {
- dev_err(sdev->dev, "error: failed to parse sof_ext_man header type %d size 0x%X\n",
- elem_hdr->type, elem_hdr->size);
- return ret;
- }
-
- remaining -= elem_hdr->size;
- iptr += elem_hdr->size;
- }
-
- if (remaining) {
- dev_err(sdev->dev, "error: sof_ext_man header is inconsistent\n");
- return -EINVAL;
- }
-
- return ext_man_size;
-}
-
/* generic module parser for mmaped DSPs */
int snd_sof_parse_module_memcpy(struct snd_sof_dev *sdev,
struct snd_sof_mod_hdr *module)
}
EXPORT_SYMBOL(snd_sof_parse_module_memcpy);
-static int check_header(struct snd_sof_dev *sdev, const struct firmware *fw,
- size_t fw_offset)
-{
- struct snd_sof_fw_header *header;
- size_t fw_size = fw->size - fw_offset;
-
- if (fw->size <= fw_offset) {
- dev_err(sdev->dev, "error: firmware size must be greater than firmware offset\n");
- return -EINVAL;
- }
-
- /* Read the header information from the data pointer */
- header = (struct snd_sof_fw_header *)(fw->data + fw_offset);
-
- /* verify FW sig */
- if (strncmp(header->sig, SND_SOF_FW_SIG, SND_SOF_FW_SIG_SIZE) != 0) {
- dev_err(sdev->dev, "error: invalid firmware signature\n");
- return -EINVAL;
- }
-
- /* check size is valid */
- if (fw_size != header->file_size + sizeof(*header)) {
- dev_err(sdev->dev, "error: invalid filesize mismatch got 0x%zx expected 0x%zx\n",
- fw_size, header->file_size + sizeof(*header));
- return -EINVAL;
- }
-
- dev_dbg(sdev->dev, "header size=0x%x modules=0x%x abi=0x%x size=%zu\n",
- header->file_size, header->num_modules,
- header->abi, sizeof(*header));
-
- return 0;
-}
-
-static int load_modules(struct snd_sof_dev *sdev, const struct firmware *fw,
- size_t fw_offset)
-{
- struct snd_sof_fw_header *header;
- struct snd_sof_mod_hdr *module;
- int (*load_module)(struct snd_sof_dev *sof_dev,
- struct snd_sof_mod_hdr *hdr);
- int ret, count;
- size_t remaining;
-
- header = (struct snd_sof_fw_header *)(fw->data + fw_offset);
- load_module = sof_ops(sdev)->load_module;
- if (!load_module)
- return -EINVAL;
-
- /* parse each module */
- module = (struct snd_sof_mod_hdr *)(fw->data + fw_offset +
- sizeof(*header));
- remaining = fw->size - sizeof(*header) - fw_offset;
- /* check for wrap */
- if (remaining > fw->size) {
- dev_err(sdev->dev, "error: fw size smaller than header size\n");
- return -EINVAL;
- }
-
- for (count = 0; count < header->num_modules; count++) {
- /* check for wrap */
- if (remaining < sizeof(*module)) {
- dev_err(sdev->dev, "error: not enough data remaining\n");
- return -EINVAL;
- }
-
- /* minus header size of module */
- remaining -= sizeof(*module);
-
- /* module */
- ret = load_module(sdev, module);
- if (ret < 0) {
- dev_err(sdev->dev, "error: invalid module %d\n", count);
- return ret;
- }
-
- if (remaining < module->size) {
- dev_err(sdev->dev, "error: not enough data remaining\n");
- return -EINVAL;
- }
-
- /* minus body size of module */
- remaining -= module->size;
- module = (struct snd_sof_mod_hdr *)((u8 *)module
- + sizeof(*module) + module->size);
- }
-
- return 0;
-}
-
int snd_sof_load_firmware_raw(struct snd_sof_dev *sdev)
{
struct snd_sof_pdata *plat_data = sdev->pdata;
}
/* check for extended manifest */
- ext_man_size = snd_sof_fw_ext_man_parse(sdev, plat_data->fw);
+ ext_man_size = sdev->ipc->ops->fw_loader->parse_ext_manifest(sdev);
if (ext_man_size > 0) {
/* when no error occurred, drop extended manifest */
plat_data->fw_offset = ext_man_size;
return ret;
/* make sure the FW header and file is valid */
- ret = check_header(sdev, plat_data->fw, plat_data->fw_offset);
+ ret = sdev->ipc->ops->fw_loader->validate(sdev);
if (ret < 0) {
dev_err(sdev->dev, "error: invalid FW header\n");
goto error;
}
/* parse and load firmware modules to DSP */
- ret = load_modules(sdev, plat_data->fw, plat_data->fw_offset);
- if (ret < 0) {
- dev_err(sdev->dev, "error: invalid FW modules\n");
- goto error;
+ if (sdev->ipc->ops->fw_loader->load_fw_to_dsp) {
+ ret = sdev->ipc->ops->fw_loader->load_fw_to_dsp(sdev);
+ if (ret < 0) {
+ dev_err(sdev->dev, "Firmware loading failed\n");
+ goto error;
+ }
}
return 0;
projects / platform / kernel / linux-rpi.git / commitdiff