@@ -2083,6 +2083,35 @@ static int btintel_prepare_fw_download_tlv(struct hci_dev *hdev,
return err;
}
+static int btintel_configure_offload(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+ int err = 0;
+ struct intel_offload_use_cases *use_cases;
+
+ skb = __hci_cmd_sync(hdev, 0xfc86, 0, NULL, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ bt_dev_err(hdev, "Reading offload use cases failed (%ld)",
+ PTR_ERR(skb));
+ return PTR_ERR(skb);
+ }
+
+ if (skb->len < sizeof(*use_cases)) {
+ err = -EIO;
+ goto error;
+ }
+
+ use_cases = (void *)skb->data;
+
+ if (use_cases->status) {
+ err = -bt_to_errno(skb->data[0]);
+ goto error;
+ }
+error:
+ kfree_skb(skb);
+ return err;
+}
+
static int btintel_bootloader_setup_tlv(struct hci_dev *hdev,
struct intel_version_tlv *ver)
{
@@ -2125,6 +2154,9 @@ static int btintel_bootloader_setup_tlv(struct hci_dev *hdev,
*/
btintel_load_ddc_config(hdev, ddcname);
+ /* Read supported use cases and set callbacks to fetch datapath id */
+ btintel_configure_offload(hdev);
+
/* Read the Intel supported features and if new exception formats
* supported, need to load the additional DDC config to enable.
*/
@@ -132,6 +132,11 @@ struct intel_debug_features {
__u8 page1[16];
} __packed;
+struct intel_offload_use_cases {
+ __u8 status;
+ __u8 preset[8];
+} __packed;
+
#define INTEL_HW_PLATFORM(cnvx_bt) ((u8)(((cnvx_bt) & 0x0000ff00) >> 8))
#define INTEL_HW_VARIANT(cnvx_bt) ((u8)(((cnvx_bt) & 0x003f0000) >> 16))
#define INTEL_CNVX_TOP_TYPE(cnvx_top) ((cnvx_top) & 0x00000fff)