* General Public License for more details.
*/
-#include <linux/firmware.h>
+#include <linux/device.h>
+#include <linux/slab.h>
+#include <linux/uuid.h>
#include "skl-sst-dsp.h"
+#include "../common/sst-dsp.h"
+#include "../common/sst-dsp-priv.h"
+#include "skl-sst-ipc.h"
+
+
+#define UUID_STR_SIZE 37
+#define DEFAULT_HASH_SHA256_LEN 32
/* FW Extended Manifest Header id = $AE1 */
#define SKL_EXT_MANIFEST_HEADER_MAGIC 0x31454124
+struct skl_dfw_module_mod {
+ char name[100];
+ struct skl_dfw_module skl_dfw_mod;
+};
+
+struct UUID {
+ u8 id[16];
+};
+
+union seg_flags {
+ u32 ul;
+ struct {
+ u32 contents : 1;
+ u32 alloc : 1;
+ u32 load : 1;
+ u32 read_only : 1;
+ u32 code : 1;
+ u32 data : 1;
+ u32 _rsvd0 : 2;
+ u32 type : 4;
+ u32 _rsvd1 : 4;
+ u32 length : 16;
+ } r;
+} __packed;
+
+struct segment_desc {
+ union seg_flags flags;
+ u32 v_base_addr;
+ u32 file_offset;
+};
+
+struct module_type {
+ u32 load_type : 4;
+ u32 auto_start : 1;
+ u32 domain_ll : 1;
+ u32 domain_dp : 1;
+ u32 rsvd : 25;
+} __packed;
+
+struct adsp_module_entry {
+ u32 struct_id;
+ u8 name[8];
+ struct UUID uuid;
+ struct module_type type;
+ u8 hash1[DEFAULT_HASH_SHA256_LEN];
+ u32 entry_point;
+ u16 cfg_offset;
+ u16 cfg_count;
+ u32 affinity_mask;
+ u16 instance_max_count;
+ u16 instance_bss_size;
+ struct segment_desc segments[3];
+} __packed;
+
+struct adsp_fw_hdr {
+ u32 id;
+ u32 len;
+ u8 name[8];
+ u32 preload_page_count;
+ u32 fw_image_flags;
+ u32 feature_mask;
+ u16 major;
+ u16 minor;
+ u16 hotfix;
+ u16 build;
+ u32 num_modules;
+ u32 hw_buf_base;
+ u32 hw_buf_length;
+ u32 load_offset;
+} __packed;
+
+struct uuid_module {
+ uuid_le uuid;
+ int id;
+ int is_loadable;
+
+ struct list_head list;
+};
+
struct skl_ext_manifest_hdr {
u32 id;
u32 len;
u32 entries;
};
+int snd_skl_get_module_info(struct skl_sst *ctx, u8 *uuid,
+ struct skl_dfw_module *dfw_config)
+{
+ struct uuid_module *module;
+ uuid_le *uuid_mod;
+
+ uuid_mod = (uuid_le *)uuid;
+
+ list_for_each_entry(module, &ctx->uuid_list, list) {
+ if (uuid_le_cmp(*uuid_mod, module->uuid) == 0) {
+ dfw_config->module_id = module->id;
+ dfw_config->is_loadable = module->is_loadable;
+
+ return 0;
+ }
+ }
+
+ return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(snd_skl_get_module_info);
+
+/*
+ * Parse the firmware binary to get the UUID, module id
+ * and loadable flags
+ */
+int snd_skl_parse_uuids(struct sst_dsp *ctx, unsigned int offset)
+{
+ struct adsp_fw_hdr *adsp_hdr;
+ struct adsp_module_entry *mod_entry;
+ int i, num_entry;
+ uuid_le *uuid_bin;
+ const char *buf;
+ struct skl_sst *skl = ctx->thread_context;
+ struct uuid_module *module;
+ struct firmware stripped_fw;
+ unsigned int safe_file;
+
+ /* Get the FW pointer to derive ADSP header */
+ stripped_fw.data = ctx->fw->data;
+ stripped_fw.size = ctx->fw->size;
+
+ skl_dsp_strip_extended_manifest(&stripped_fw);
+
+ buf = stripped_fw.data;
+
+ /* check if we have enough space in file to move to header */
+ safe_file = sizeof(*adsp_hdr) + offset;
+ if (stripped_fw.size <= safe_file) {
+ dev_err(ctx->dev, "Small fw file size, No space for hdr\n");
+ return -EINVAL;
+ }
+
+ adsp_hdr = (struct adsp_fw_hdr *)(buf + offset);
+
+ /* check 1st module entry is in file */
+ safe_file += adsp_hdr->len + sizeof(*mod_entry);
+ if (stripped_fw.size <= safe_file) {
+ dev_err(ctx->dev, "Small fw file size, No module entry\n");
+ return -EINVAL;
+ }
+
+ mod_entry = (struct adsp_module_entry *)
+ (buf + offset + adsp_hdr->len);
+
+ num_entry = adsp_hdr->num_modules;
+
+ /* check all entries are in file */
+ safe_file += num_entry * sizeof(*mod_entry);
+ if (stripped_fw.size <= safe_file) {
+ dev_err(ctx->dev, "Small fw file size, No modules\n");
+ return -EINVAL;
+ }
+
+
+ /*
+ * Read the UUID(GUID) from FW Manifest.
+ *
+ * The 16 byte UUID format is: XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXX
+ * Populate the UUID table to store module_id and loadable flags
+ * for the module.
+ */
+
+ for (i = 0; i < num_entry; i++, mod_entry++) {
+ module = kzalloc(sizeof(*module), GFP_KERNEL);
+ if (!module)
+ return -ENOMEM;
+
+ uuid_bin = (uuid_le *)mod_entry->uuid.id;
+ memcpy(&module->uuid, uuid_bin, sizeof(module->uuid));
+
+ module->id = i;
+ module->is_loadable = mod_entry->type.load_type;
+
+ list_add_tail(&module->list, &skl->uuid_list);
+
+ dev_dbg(ctx->dev,
+ "Adding uuid :%pUL mod id: %d Loadable: %d\n",
+ &module->uuid, module->id, module->is_loadable);
+ }
+
+ return 0;
+}
+
+void skl_freeup_uuid_list(struct skl_sst *ctx)
+{
+ struct uuid_module *uuid, *_uuid;
+
+ list_for_each_entry_safe(uuid, _uuid, &ctx->uuid_list, list) {
+ list_del(&uuid->list);
+ kfree(uuid);
+ }
+}
+
/*
* some firmware binary contains some extended manifest. This needs
* to be stripped in that case before we load and use that image.
*
- * So check for magic header, if found strip the header
+ * Get the module id for the module by checking
+ * the table for the UUID for the module
*/
int skl_dsp_strip_extended_manifest(struct firmware *fw)
{
projects / karo-tx-linux.git / commitdiff