Bluetooth: Add support for creating HCI UART based AMP controllers

In reality this might never be used for real hardware, but it is a nice
feature for emulating AMP controllers within a virtual machine.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

2 files changed, 6 insertions, 0 deletions

diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index cdc3594f9901..fd5adb408f44 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -396,6 +396,11 @@ static int hci_uart_register_dev(struct hci_uart *hu)
         if (!test_bit(HCI_UART_RESET_ON_INIT, &hu->hdev_flags))
                 set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks);
 
+        if (test_bit(HCI_UART_CREATE_AMP, &hu->hdev_flags))
+                hdev->dev_type = HCI_AMP;
+        else
+                hdev->dev_type = HCI_BREDR;
+
         if (hci_register_dev(hdev) < 0) {
                 BT_ERR("Can't register HCI device");
                 hci_free_dev(hdev);
diff --git a/drivers/bluetooth/hci_uart.h b/drivers/bluetooth/hci_uart.h
index 54c8983b183e..6cf6ab22ad21 100644
--- a/drivers/bluetooth/hci_uart.h
+++ b/drivers/bluetooth/hci_uart.h
@@ -46,6 +46,7 @@
 
 #define HCI_UART_RAW_DEVICE     0
 #define HCI_UART_RESET_ON_INIT  1
+#define HCI_UART_CREATE_AMP     2
 
 struct hci_uart;