Blaster4385/linux-IllusionX
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Bluetooth: btintel: Read supported offload use cases

Browse source 
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>
This commit is contained in:
Kiran K 2021-09-07 15:42:39 +05:30 committed by Luiz Augusto von Dentz
parent 9ae664028a
commit a358ef86da
2 changed files with 37 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

32
drivers/bluetooth/btintel.c
View file

@ -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 */

5
drivers/bluetooth/btintel.h
View file

@ -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)