Bluetooth: Add support for Intel bootloader devices

Intel Bluetooth devices that boot up in bootloader mode can not
be used as generic HCI devices, but their HCI transport is still
valuable and so bring that up as raw-only devices.

T:  Bus=02 Lev=02 Prnt=03 Port=00 Cnt=01 Dev#= 14 Spd=12   MxCh= 0
D:  Ver= 1.10 Cls=ff(vend.) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=8087 ProdID=0a5a Rev= 0.00
S:  Manufacturer=Intel(R) Corporation
S:  Product=Intel(R) Wilkins Peak 2x2
S:  SerialNumber=001122334455 WP_A0
C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA
I:* If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none)
E:  Ad=81(I) Atr=03(Int.) MxPS=  64 Ivl=1ms
E:  Ad=02(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
E:  Ad=82(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none)
E:  Ad=03(O) Atr=01(Isoc) MxPS=   0 Ivl=1ms
E:  Ad=83(I) Atr=01(Isoc) MxPS=   0 Ivl=1ms
I:  If#= 1 Alt= 1 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none)
E:  Ad=03(O) Atr=01(Isoc) MxPS=   9 Ivl=1ms
E:  Ad=83(I) Atr=01(Isoc) MxPS=   9 Ivl=1ms
I:  If#= 1 Alt= 2 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none)
E:  Ad=03(O) Atr=01(Isoc) MxPS=  17 Ivl=1ms
E:  Ad=83(I) Atr=01(Isoc) MxPS=  17 Ivl=1ms
I:  If#= 1 Alt= 3 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none)
E:  Ad=03(O) Atr=01(Isoc) MxPS=  25 Ivl=1ms
E:  Ad=83(I) Atr=01(Isoc) MxPS=  25 Ivl=1ms
I:  If#= 1 Alt= 4 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none)
E:  Ad=03(O) Atr=01(Isoc) MxPS=  33 Ivl=1ms
E:  Ad=83(I) Atr=01(Isoc) MxPS=  33 Ivl=1ms
I:  If#= 1 Alt= 5 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none)
E:  Ad=03(O) Atr=01(Isoc) MxPS=  49 Ivl=1ms
E:  Ad=83(I) Atr=01(Isoc) MxPS=  49 Ivl=1ms

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

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 61d8385666e9919e09bcfed52cc59bd8a363ab9c..21f10cac4fac24a530a577879d1d0167dd47c6bf 100644 (file)
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -49,7 +49,8 @@ static struct usb_driver btusb_driver;
 #define BTUSB_WRONG_SCO_MTU    0x40
 #define BTUSB_ATH3012          0x80
 #define BTUSB_INTEL            0x100
-#define BTUSB_BCM_PATCHRAM     0x200
+#define BTUSB_INTEL_BOOT       0x200
+#define BTUSB_BCM_PATCHRAM     0x400
 
 static const struct usb_device_id btusb_table[] = {
        /* Generic Bluetooth USB device */
@@ -121,6 +122,9 @@ static const struct usb_device_id btusb_table[] = {
        /* IMC Networks - Broadcom based */
        { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01) },
 
+       /* Intel Bluetooth USB Bootloader (RAM module) */
+       { USB_DEVICE(0x8087, 0x0a5a), .driver_info = BTUSB_INTEL_BOOT },
+
        { }     /* Terminating entry */
 };
 
@@ -1770,6 +1774,9 @@ static int btusb_probe(struct usb_interface *intf,
                hdev->set_bdaddr = btusb_set_bdaddr_intel;
        }
 
+       if (id->driver_info & BTUSB_INTEL_BOOT)
+               set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
+
        /* Interface numbers are hardcoded in the specification */
        data->isoc = usb_ifnum_to_if(data->udev, 1);