diff options
| author | Amitkumar Karwar <akarwar@marvell.com> | 2014-07-18 14:47:06 -0700 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2014-07-19 02:33:21 +0200 |
| commit | ae8df494e9ec9d5c2bd907a0b7de712e050cb533 (patch) | |
| tree | f728e56967b31497639dcbec1cf030d39ac648dd /drivers/bluetooth/btusb.c | |
| parent | beb19e4c079d626bf0502fbb65bd7c9891a10c2e (diff) | |
| download | linux-ae8df494e9ec9d5c2bd907a0b7de712e050cb533.tar.bz2 | |
Bluetooth: add public address configuration for Marvell USB devices
Implemented .set_bdaddr handler provided by bluetooth stack for
Marvell devices for public address configuration.
A reboot restores the bdaddr to its original address.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth/btusb.c')
| -rw-r--r-- | drivers/bluetooth/btusb.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index ed7b33b06b43..b062bed67aaf 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -48,6 +48,7 @@ static struct usb_driver btusb_driver; #define BTUSB_INTEL 0x100 #define BTUSB_INTEL_BOOT 0x200 #define BTUSB_BCM_PATCHRAM 0x400 +#define BTUSB_MARVELL 0x800 static const struct usb_device_id btusb_table[] = { /* Generic Bluetooth USB device */ @@ -242,6 +243,10 @@ static const struct usb_device_id blacklist_table[] = { { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL }, + /* Marvell device */ + { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL }, + { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL }, + { } /* Terminating entry */ }; @@ -1455,6 +1460,29 @@ static int btusb_set_bdaddr_intel(struct hci_dev *hdev, const bdaddr_t *bdaddr) return 0; } +static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, + const bdaddr_t *bdaddr) +{ + struct sk_buff *skb; + u8 buf[8]; + long ret; + + buf[0] = 0xfe; + buf[1] = sizeof(bdaddr_t); + memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); + + skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + ret = PTR_ERR(skb); + BT_ERR("%s: changing Marvell device address failed (%ld)", + hdev->name, ret); + return ret; + } + kfree_skb(skb); + + return 0; +} + #define BDADDR_BCM20702A0 (&(bdaddr_t) {{0x00, 0xa0, 0x02, 0x70, 0x20, 0x00}}) static int btusb_setup_bcm_patchram(struct hci_dev *hdev) @@ -1766,6 +1794,9 @@ static int btusb_probe(struct usb_interface *intf, hdev->set_bdaddr = btusb_set_bdaddr_intel; } + if (id->driver_info & BTUSB_MARVELL) + hdev->set_bdaddr = btusb_set_bdaddr_marvell; + if (id->driver_info & BTUSB_INTEL_BOOT) set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); |