ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/sound/soc/intel/skylake/skl-sst-utils.c b/marvell/linux/sound/soc/intel/skylake/skl-sst-utils.c
new file mode 100644
index 0000000..d4db64d
--- /dev/null
+++ b/marvell/linux/sound/soc/intel/skylake/skl-sst-utils.c
@@ -0,0 +1,425 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * skl-sst-utils.c - SKL sst utils functions
+ *
+ * Copyright (C) 2016 Intel Corp
+ */
+
+#include <linux/device.h>
+#include <linux/slab.h>
+#include <linux/uuid.h>
+#include "../common/sst-dsp.h"
+#include "../common/sst-dsp-priv.h"
+#include "skl.h"
+
+#define DEFAULT_HASH_SHA256_LEN 32
+
+/* FW Extended Manifest Header id = $AE1 */
+#define SKL_EXT_MANIFEST_HEADER_MAGIC 0x31454124
+
+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];
+ u8 uuid[16];
+ 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 skl_ext_manifest_hdr {
+ u32 id;
+ u32 len;
+ u16 version_major;
+ u16 version_minor;
+ u32 entries;
+};
+
+static int skl_get_pvtid_map(struct uuid_module *module, int instance_id)
+{
+ int pvt_id;
+
+ for (pvt_id = 0; pvt_id < module->max_instance; pvt_id++) {
+ if (module->instance_id[pvt_id] == instance_id)
+ return pvt_id;
+ }
+ return -EINVAL;
+}
+
+int skl_get_pvt_instance_id_map(struct skl_dev *skl,
+ int module_id, int instance_id)
+{
+ struct uuid_module *module;
+
+ list_for_each_entry(module, &skl->uuid_list, list) {
+ if (module->id == module_id)
+ return skl_get_pvtid_map(module, instance_id);
+ }
+
+ return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(skl_get_pvt_instance_id_map);
+
+static inline int skl_getid_32(struct uuid_module *module, u64 *val,
+ int word1_mask, int word2_mask)
+{
+ int index, max_inst, pvt_id;
+ u32 mask_val;
+
+ max_inst = module->max_instance;
+ mask_val = (u32)(*val >> word1_mask);
+
+ if (mask_val != 0xffffffff) {
+ index = ffz(mask_val);
+ pvt_id = index + word1_mask + word2_mask;
+ if (pvt_id <= (max_inst - 1)) {
+ *val |= 1ULL << (index + word1_mask);
+ return pvt_id;
+ }
+ }
+
+ return -EINVAL;
+}
+
+static inline int skl_pvtid_128(struct uuid_module *module)
+{
+ int j, i, word1_mask, word2_mask = 0, pvt_id;
+
+ for (j = 0; j < MAX_INSTANCE_BUFF; j++) {
+ word1_mask = 0;
+
+ for (i = 0; i < 2; i++) {
+ pvt_id = skl_getid_32(module, &module->pvt_id[j],
+ word1_mask, word2_mask);
+ if (pvt_id >= 0)
+ return pvt_id;
+
+ word1_mask += 32;
+ if ((word1_mask + word2_mask) >= module->max_instance)
+ return -EINVAL;
+ }
+
+ word2_mask += 64;
+ if (word2_mask >= module->max_instance)
+ return -EINVAL;
+ }
+
+ return -EINVAL;
+}
+
+/**
+ * skl_get_pvt_id: generate a private id for use as module id
+ *
+ * @skl: driver context
+ * @uuid_mod: module's uuid
+ * @instance_id: module's instance id
+ *
+ * This generates a 128 bit private unique id for a module TYPE so that
+ * module instance is unique
+ */
+int skl_get_pvt_id(struct skl_dev *skl, guid_t *uuid_mod, int instance_id)
+{
+ struct uuid_module *module;
+ int pvt_id;
+
+ list_for_each_entry(module, &skl->uuid_list, list) {
+ if (guid_equal(uuid_mod, &module->uuid)) {
+
+ pvt_id = skl_pvtid_128(module);
+ if (pvt_id >= 0) {
+ module->instance_id[pvt_id] = instance_id;
+
+ return pvt_id;
+ }
+ }
+ }
+
+ return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(skl_get_pvt_id);
+
+/**
+ * skl_put_pvt_id: free up the private id allocated
+ *
+ * @skl: driver context
+ * @uuid_mod: module's uuid
+ * @pvt_id: module pvt id
+ *
+ * This frees a 128 bit private unique id previously generated
+ */
+int skl_put_pvt_id(struct skl_dev *skl, guid_t *uuid_mod, int *pvt_id)
+{
+ int i;
+ struct uuid_module *module;
+
+ list_for_each_entry(module, &skl->uuid_list, list) {
+ if (guid_equal(uuid_mod, &module->uuid)) {
+
+ if (*pvt_id != 0)
+ i = (*pvt_id) / 64;
+ else
+ i = 0;
+
+ module->pvt_id[i] &= ~(1 << (*pvt_id));
+ *pvt_id = -1;
+ return 0;
+ }
+ }
+
+ return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(skl_put_pvt_id);
+
+/*
+ * Parse the firmware binary to get the UUID, module id
+ * and loadable flags
+ */
+int snd_skl_parse_uuids(struct sst_dsp *ctx, const struct firmware *fw,
+ unsigned int offset, int index)
+{
+ struct adsp_fw_hdr *adsp_hdr;
+ struct adsp_module_entry *mod_entry;
+ int i, num_entry, size;
+ const char *buf;
+ struct skl_dev *skl = ctx->thread_context;
+ struct uuid_module *module;
+ struct firmware stripped_fw;
+ unsigned int safe_file;
+ int ret = 0;
+
+ /* Get the FW pointer to derive ADSP header */
+ stripped_fw.data = fw->data;
+ stripped_fw.size = 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) {
+ ret = -ENOMEM;
+ goto free_uuid_list;
+ }
+
+ guid_copy(&module->uuid, (guid_t *)&mod_entry->uuid);
+
+ module->id = (i | (index << 12));
+ module->is_loadable = mod_entry->type.load_type;
+ module->max_instance = mod_entry->instance_max_count;
+ size = sizeof(int) * mod_entry->instance_max_count;
+ module->instance_id = devm_kzalloc(ctx->dev, size, GFP_KERNEL);
+ if (!module->instance_id) {
+ ret = -ENOMEM;
+ kfree(module);
+ goto free_uuid_list;
+ }
+
+ 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;
+
+free_uuid_list:
+ skl_freeup_uuid_list(skl);
+ return ret;
+}
+
+void skl_freeup_uuid_list(struct skl_dev *skl)
+{
+ struct uuid_module *uuid, *_uuid;
+
+ list_for_each_entry_safe(uuid, _uuid, &skl->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.
+ *
+ * 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)
+{
+ struct skl_ext_manifest_hdr *hdr;
+
+ /* check if fw file is greater than header we are looking */
+ if (fw->size < sizeof(hdr)) {
+ pr_err("%s: Firmware file small, no hdr\n", __func__);
+ return -EINVAL;
+ }
+
+ hdr = (struct skl_ext_manifest_hdr *)fw->data;
+
+ if (hdr->id == SKL_EXT_MANIFEST_HEADER_MAGIC) {
+ fw->size -= hdr->len;
+ fw->data += hdr->len;
+ }
+
+ return 0;
+}
+
+int skl_sst_ctx_init(struct device *dev, int irq, const char *fw_name,
+ struct skl_dsp_loader_ops dsp_ops, struct skl_dev **dsp,
+ struct sst_dsp_device *skl_dev)
+{
+ struct skl_dev *skl = *dsp;
+ struct sst_dsp *sst;
+
+ skl->dev = dev;
+ skl_dev->thread_context = skl;
+ INIT_LIST_HEAD(&skl->uuid_list);
+ skl->dsp = skl_dsp_ctx_init(dev, skl_dev, irq);
+ if (!skl->dsp) {
+ dev_err(skl->dev, "%s: no device\n", __func__);
+ return -ENODEV;
+ }
+
+ sst = skl->dsp;
+ sst->fw_name = fw_name;
+ sst->dsp_ops = dsp_ops;
+ init_waitqueue_head(&skl->mod_load_wait);
+ INIT_LIST_HEAD(&sst->module_list);
+
+ skl->is_first_boot = true;
+
+ return 0;
+}
+
+int skl_prepare_lib_load(struct skl_dev *skl, struct skl_lib_info *linfo,
+ struct firmware *stripped_fw,
+ unsigned int hdr_offset, int index)
+{
+ int ret;
+ struct sst_dsp *dsp = skl->dsp;
+
+ if (linfo->fw == NULL) {
+ ret = request_firmware(&linfo->fw, linfo->name,
+ skl->dev);
+ if (ret < 0) {
+ dev_err(skl->dev, "Request lib %s failed:%d\n",
+ linfo->name, ret);
+ return ret;
+ }
+ }
+
+ if (skl->is_first_boot) {
+ ret = snd_skl_parse_uuids(dsp, linfo->fw, hdr_offset, index);
+ if (ret < 0)
+ return ret;
+ }
+
+ stripped_fw->data = linfo->fw->data;
+ stripped_fw->size = linfo->fw->size;
+ skl_dsp_strip_extended_manifest(stripped_fw);
+
+ return 0;
+}
+
+void skl_release_library(struct skl_lib_info *linfo, int lib_count)
+{
+ int i;
+
+ /* library indices start from 1 to N. 0 represents base FW */
+ for (i = 1; i < lib_count; i++) {
+ if (linfo[i].fw) {
+ release_firmware(linfo[i].fw);
+ linfo[i].fw = NULL;
+ }
+ }
+}