Commit a7ba218a authored by Kiran K's avatar Kiran K Committed by Luiz Augusto von Dentz
Browse files

Bluetooth: btintel: Print Firmware Sequencer information 



Firmware sequencer (FSEQ) is a common code shared across Bluetooth
and Wifi. Printing FSEQ will help to debug if there is any mismatch
between Bluetooth and Wifi FSEQ.

Signed-off-by: default avatarKiran K <kiran.k@intel.com>
Signed-off-by: default avatarLuiz Augusto von Dentz <luiz.von.dentz@intel.com>
parent f7cbce60

drivers/bluetooth/btintel.c

+114 −0
Original line number Diff line number Diff line
@@ -2670,6 +2670,119 @@ static void btintel_set_msft_opcode(struct hci_dev *hdev, u8 hw_variant) 
	}

}



static void btintel_print_fseq_info(struct hci_dev *hdev)

{

	struct sk_buff *skb;

	u8 *p;

	u32 val;

	const char *str;



	skb = __hci_cmd_sync(hdev, 0xfcb3, 0, NULL, HCI_CMD_TIMEOUT);

	if (IS_ERR(skb)) {

		bt_dev_dbg(hdev, "Reading fseq status command failed (%ld)",

			   PTR_ERR(skb));

		return;

	}



	if (skb->len < (sizeof(u32) * 16 + 2)) {

		bt_dev_dbg(hdev, "Malformed packet of length %u received",

			   skb->len);

		kfree_skb(skb);

		return;

	}



	p = skb_pull_data(skb, 1);

	if (*p) {

		bt_dev_dbg(hdev, "Failed to get fseq status (0x%2.2x)", *p);

		kfree_skb(skb);

		return;

	}



	p = skb_pull_data(skb, 1);

	switch (*p) {

	case 0:

		str = "Success";

		break;

	case 1:

		str = "Fatal error";

		break;

	case 2:

		str = "Semaphore acquire error";

		break;

	default:

		str = "Unknown error";

		break;

	}



	if (*p) {

		bt_dev_err(hdev, "Fseq status: %s (0x%2.2x)", str, *p);

		kfree_skb(skb);

		return;

	}



	bt_dev_info(hdev, "Fseq status: %s (0x%2.2x)", str, *p);



	val = get_unaligned_le32(skb_pull_data(skb, 4));

	bt_dev_dbg(hdev, "Reason: 0x%8.8x", val);



	val = get_unaligned_le32(skb_pull_data(skb, 4));

	bt_dev_dbg(hdev, "Global version: 0x%8.8x", val);



	val = get_unaligned_le32(skb_pull_data(skb, 4));

	bt_dev_dbg(hdev, "Installed version: 0x%8.8x", val);



	p = skb->data;

	skb_pull_data(skb, 4);

	bt_dev_info(hdev, "Fseq executed: %2.2u.%2.2u.%2.2u.%2.2u", p[0], p[1],

		    p[2], p[3]);



	p = skb->data;

	skb_pull_data(skb, 4);

	bt_dev_info(hdev, "Fseq BT Top: %2.2u.%2.2u.%2.2u.%2.2u", p[0], p[1],

		    p[2], p[3]);



	val = get_unaligned_le32(skb_pull_data(skb, 4));

	bt_dev_dbg(hdev, "Fseq Top init version: 0x%8.8x", val);



	val = get_unaligned_le32(skb_pull_data(skb, 4));

	bt_dev_dbg(hdev, "Fseq Cnvio init version: 0x%8.8x", val);



	val = get_unaligned_le32(skb_pull_data(skb, 4));

	bt_dev_dbg(hdev, "Fseq MBX Wifi file version: 0x%8.8x", val);



	val = get_unaligned_le32(skb_pull_data(skb, 4));

	bt_dev_dbg(hdev, "Fseq BT version: 0x%8.8x", val);



	val = get_unaligned_le32(skb_pull_data(skb, 4));

	bt_dev_dbg(hdev, "Fseq Top reset address: 0x%8.8x", val);



	val = get_unaligned_le32(skb_pull_data(skb, 4));

	bt_dev_dbg(hdev, "Fseq MBX timeout: 0x%8.8x", val);



	val = get_unaligned_le32(skb_pull_data(skb, 4));

	bt_dev_dbg(hdev, "Fseq MBX ack: 0x%8.8x", val);



	val = get_unaligned_le32(skb_pull_data(skb, 4));

	bt_dev_dbg(hdev, "Fseq CNVi id: 0x%8.8x", val);



	val = get_unaligned_le32(skb_pull_data(skb, 4));

	bt_dev_dbg(hdev, "Fseq CNVr id: 0x%8.8x", val);



	val = get_unaligned_le32(skb_pull_data(skb, 4));

	bt_dev_dbg(hdev, "Fseq Error handle: 0x%8.8x", val);



	val = get_unaligned_le32(skb_pull_data(skb, 4));

	bt_dev_dbg(hdev, "Fseq Magic noalive indication: 0x%8.8x", val);



	val = get_unaligned_le32(skb_pull_data(skb, 4));

	bt_dev_dbg(hdev, "Fseq OTP version: 0x%8.8x", val);



	val = get_unaligned_le32(skb_pull_data(skb, 4));

	bt_dev_dbg(hdev, "Fseq MBX otp version: 0x%8.8x", val);



	kfree_skb(skb);

}



static int btintel_setup_combined(struct hci_dev *hdev)

{

	const u8 param[1] = { 0xFF };
@@ -2902,6 +3015,7 @@ static int btintel_setup_combined(struct hci_dev *hdev) 


		err = btintel_bootloader_setup_tlv(hdev, &ver_tlv);

		btintel_register_devcoredump_support(hdev);

		btintel_print_fseq_info(hdev);

		break;

	default:

		bt_dev_err(hdev, "Unsupported Intel hw variant (%u)",