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authorKiran K <kiran.k@intel.com>2021-09-07 15:42:39 +0530
committerLuiz Augusto von Dentz <luiz.von.dentz@intel.com>2021-09-07 14:09:18 -0700
commita358ef86da458a12e28edacfff5b7f145f888a93 (patch)
treef75efaa37ec54aa78b65ee9007f667192d89082c /drivers/bluetooth
parent9ae664028a9ea838827d6c4bc3428bdd9105f138 (diff)
Bluetooth: btintel: Read supported offload use cases
Read offload use cases supported by controller. Signed-off-by: Kiran K <kiran.k@intel.com> Reviewed-by: Chethan T N <chethan.tumkur.narayan@intel.com> Reviewed-by: Srivatsa Ravishankar <ravishankar.srivatsa@intel.com> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Diffstat (limited to 'drivers/bluetooth')
-rw-r--r--drivers/bluetooth/btintel.c32
-rw-r--r--drivers/bluetooth/btintel.h5
2 files changed, 37 insertions, 0 deletions
diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
index 7236f40b7a9c..60f9866c6792 100644
--- a/drivers/bluetooth/btintel.c
+++ b/drivers/bluetooth/btintel.c
@@ -2158,6 +2158,35 @@ done:
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)
{
@@ -2199,6 +2228,9 @@ 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);
+
hci_dev_clear_flag(hdev, HCI_QUALITY_REPORT);
/* Read the Intel version information after loading the FW */
diff --git a/drivers/bluetooth/btintel.h b/drivers/bluetooth/btintel.h
index fe02cb9ac96c..e500c0d7a729 100644
--- a/drivers/bluetooth/btintel.h
+++ b/drivers/bluetooth/btintel.h
@@ -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)