1 files changed, 192 insertions, 29 deletions

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 6250fc2fb93a..292c38e8aa17 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -30,9 +30,6 @@
 
 #define VERSION "0.6"
 
-static bool ignore_dga;
-static bool ignore_csr;
-static bool ignore_sniffer;
 static bool disable_scofix;
 static bool force_scofix;
 
@@ -49,7 +46,9 @@ 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
+#define BTUSB_MARVELL		0x800
 
 static const struct usb_device_id btusb_table[] = {
 	/* Generic Bluetooth USB device */
@@ -115,12 +114,19 @@ static const struct usb_device_id btusb_table[] = {
 	{ USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01),
 	  .driver_info = BTUSB_BCM_PATCHRAM },
 
+	/* ASUSTek Computer - Broadcom based */
+	{ USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01) },
+
 	/* Belkin F8065bf - Broadcom based */
 	{ USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01) },
 
 	/* 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 | BTUSB_BROKEN_ISOC },
+
 	{ }	/* Terminating entry */
 };
 
@@ -175,6 +181,7 @@ static const struct usb_device_id blacklist_table[] = {
 	{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
 
 	/* Atheros AR5BBU12 with sflash firmware */
 	{ USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
@@ -228,15 +235,21 @@ static const struct usb_device_id blacklist_table[] = {
 	{ USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
 
 	/* CSR BlueCore Bluetooth Sniffer */
-	{ USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER },
+	{ USB_DEVICE(0x0a12, 0x0002),
+	  .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
 
 	/* Frontline ComProbe Bluetooth Sniffer */
-	{ USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER },
+	{ USB_DEVICE(0x16d3, 0x0002),
+	  .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
 
 	/* Intel Bluetooth device */
 	{ 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 */
 };
 
@@ -1182,6 +1195,51 @@ static int btusb_setup_intel_patching(struct hci_dev *hdev,
 	return 0;
 }
 
+#define BDADDR_INTEL (&(bdaddr_t) {{0x00, 0x8b, 0x9e, 0x19, 0x03, 0x00}})
+
+static int btusb_check_bdaddr_intel(struct hci_dev *hdev)
+{
+	struct sk_buff *skb;
+	struct hci_rp_read_bd_addr *rp;
+
+	skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL,
+			     HCI_INIT_TIMEOUT);
+	if (IS_ERR(skb)) {
+		BT_ERR("%s reading Intel device address failed (%ld)",
+		       hdev->name, PTR_ERR(skb));
+		return PTR_ERR(skb);
+	}
+
+	if (skb->len != sizeof(*rp)) {
+		BT_ERR("%s Intel device address length mismatch", hdev->name);
+		kfree_skb(skb);
+		return -EIO;
+	}
+
+	rp = (struct hci_rp_read_bd_addr *) skb->data;
+	if (rp->status) {
+		BT_ERR("%s Intel device address result failed (%02x)",
+		       hdev->name, rp->status);
+		kfree_skb(skb);
+		return -bt_to_errno(rp->status);
+	}
+
+	/* For some Intel based controllers, the default Bluetooth device
+	 * address 00:03:19:9E:8B:00 can be found. These controllers are
+	 * fully operational, but have the danger of duplicate addresses
+	 * and that in turn can cause problems with Bluetooth operation.
+	 */
+	if (!bacmp(&rp->bdaddr, BDADDR_INTEL)) {
+		BT_ERR("%s found Intel default device address (%pMR)",
+		       hdev->name, &rp->bdaddr);
+		set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
+	}
+
+	kfree_skb(skb);
+
+	return 0;
+}
+
 static int btusb_setup_intel(struct hci_dev *hdev)
 {
 	struct sk_buff *skb;
@@ -1254,6 +1312,7 @@ static int btusb_setup_intel(struct hci_dev *hdev)
 		BT_INFO("%s: Intel device is already patched. patch num: %02x",
 			hdev->name, ver->fw_patch_num);
 		kfree_skb(skb);
+		btusb_check_bdaddr_intel(hdev);
 		return 0;
 	}
 
@@ -1266,6 +1325,7 @@ static int btusb_setup_intel(struct hci_dev *hdev)
 	fw = btusb_setup_intel_get_fw(hdev, ver);
 	if (!fw) {
 		kfree_skb(skb);
+		btusb_check_bdaddr_intel(hdev);
 		return 0;
 	}
 	fw_ptr = fw->data;
@@ -1345,6 +1405,7 @@ static int btusb_setup_intel(struct hci_dev *hdev)
 	BT_INFO("%s: Intel Bluetooth firmware patch completed and activated",
 		hdev->name);
 
+	btusb_check_bdaddr_intel(hdev);
 	return 0;
 
 exit_mfg_disable:
@@ -1359,6 +1420,8 @@ exit_mfg_disable:
 	kfree_skb(skb);
 
 	BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name);
+
+	btusb_check_bdaddr_intel(hdev);
 	return 0;
 
 exit_mfg_deactivate:
@@ -1379,9 +1442,52 @@ exit_mfg_deactivate:
 	BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated",
 		hdev->name);
 
+	btusb_check_bdaddr_intel(hdev);
+	return 0;
+}
+
+static int btusb_set_bdaddr_intel(struct hci_dev *hdev, const bdaddr_t *bdaddr)
+{
+	struct sk_buff *skb;
+	long ret;
+
+	skb = __hci_cmd_sync(hdev, 0xfc31, 6, bdaddr, HCI_INIT_TIMEOUT);
+	if (IS_ERR(skb)) {
+		ret = PTR_ERR(skb);
+		BT_ERR("%s: changing Intel device address failed (%ld)",
+			hdev->name, ret);
+		return ret;
+	}
+	kfree_skb(skb);
+
 	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)
 {
 	struct btusb_data *data = hci_get_drvdata(hdev);
@@ -1395,6 +1501,7 @@ static int btusb_setup_bcm_patchram(struct hci_dev *hdev)
 	u16 opcode;
 	struct sk_buff *skb;
 	struct hci_rp_read_local_version *ver;
+	struct hci_rp_read_bd_addr *bda;
 	long ret;
 
 	snprintf(fw_name, sizeof(fw_name), "brcm/%s-%04x-%04x.hcd",
@@ -1404,8 +1511,7 @@ static int btusb_setup_bcm_patchram(struct hci_dev *hdev)
 
 	ret = request_firmware(&fw, fw_name, &hdev->dev);
 	if (ret < 0) {
-		BT_INFO("%s: BCM: patch %s not found", hdev->name,
-			fw_name);
+		BT_INFO("%s: BCM: patch %s not found", hdev->name, fw_name);
 		return 0;
 	}
 
@@ -1524,12 +1630,67 @@ reset_fw:
 		ver->lmp_ver, ver->lmp_subver);
 	kfree_skb(skb);
 
+	/* Read BD Address */
+	skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL,
+			     HCI_INIT_TIMEOUT);
+	if (IS_ERR(skb)) {
+		ret = PTR_ERR(skb);
+		BT_ERR("%s: HCI_OP_READ_BD_ADDR failed (%ld)",
+			hdev->name, ret);
+		goto done;
+	}
+
+	if (skb->len != sizeof(*bda)) {
+		BT_ERR("%s: HCI_OP_READ_BD_ADDR event length mismatch",
+			hdev->name);
+		kfree_skb(skb);
+		ret = -EIO;
+		goto done;
+	}
+
+	bda = (struct hci_rp_read_bd_addr *) skb->data;
+	if (bda->status) {
+		BT_ERR("%s: HCI_OP_READ_BD_ADDR error status (%02x)",
+		       hdev->name, bda->status);
+		kfree_skb(skb);
+		ret = -bt_to_errno(bda->status);
+		goto done;
+	}
+
+	/* The address 00:20:70:02:A0:00 indicates a BCM20702A0 controller
+	 * with no configured address.
+	 */
+	if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0)) {
+		BT_INFO("%s: BCM: using default device address (%pMR)",
+			hdev->name, &bda->bdaddr);
+		set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
+	}
+
+	kfree_skb(skb);
+
 done:
 	release_firmware(fw);
 
 	return ret;
 }
 
+static int btusb_set_bdaddr_bcm(struct hci_dev *hdev, const bdaddr_t *bdaddr)
+{
+	struct sk_buff *skb;
+	long ret;
+
+	skb = __hci_cmd_sync(hdev, 0xfc01, 6, bdaddr, HCI_INIT_TIMEOUT);
+	if (IS_ERR(skb)) {
+		ret = PTR_ERR(skb);
+		BT_ERR("%s: BCM: Change address command failed (%ld)",
+			hdev->name, ret);
+		return ret;
+	}
+	kfree_skb(skb);
+
+	return 0;
+}
+
 static int btusb_probe(struct usb_interface *intf,
 				const struct usb_device_id *id)
 {
@@ -1554,15 +1715,6 @@ static int btusb_probe(struct usb_interface *intf,
 	if (id->driver_info == BTUSB_IGNORE)
 		return -ENODEV;
 
-	if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER)
-		return -ENODEV;
-
-	if (ignore_csr && id->driver_info & BTUSB_CSR)
-		return -ENODEV;
-
-	if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER)
-		return -ENODEV;
-
 	if (id->driver_info & BTUSB_ATH3012) {
 		struct usb_device *udev = interface_to_usbdev(intf);
 
@@ -1635,11 +1787,21 @@ static int btusb_probe(struct usb_interface *intf,
 	if (id->driver_info & BTUSB_BCM92035)
 		hdev->setup = btusb_setup_bcm92035;
 
-	if (id->driver_info & BTUSB_BCM_PATCHRAM)
+	if (id->driver_info & BTUSB_BCM_PATCHRAM) {
 		hdev->setup = btusb_setup_bcm_patchram;
+		hdev->set_bdaddr = btusb_set_bdaddr_bcm;
+	}
 
-	if (id->driver_info & BTUSB_INTEL)
+	if (id->driver_info & BTUSB_INTEL) {
 		hdev->setup = btusb_setup_intel;
+		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);
 
 	/* Interface numbers are hardcoded in the specification */
 	data->isoc = usb_ifnum_to_if(data->udev, 1);
@@ -1679,8 +1841,18 @@ static int btusb_probe(struct usb_interface *intf,
 		/* New sniffer firmware has crippled HCI interface */
 		if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
 			set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
+	}
 
-		data->isoc = NULL;
+	if (id->driver_info & BTUSB_INTEL_BOOT) {
+		/* A bug in the bootloader causes that interrupt interface is
+		 * only enabled after receiving SetInterface(0, AltSetting=0).
+		 */
+		err = usb_set_interface(data->udev, 0, 0);
+		if (err < 0) {
+			BT_ERR("failed to set interface 0, alt 0 %d", err);
+			hci_free_dev(hdev);
+			return err;
+		}
 	}
 
 	if (data->isoc) {
@@ -1845,15 +2017,6 @@ static struct usb_driver btusb_driver = {
 
 module_usb_driver(btusb_driver);
 
-module_param(ignore_dga, bool, 0644);
-MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001");
-
-module_param(ignore_csr, bool, 0644);
-MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001");
-
-module_param(ignore_sniffer, bool, 0644);
-MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002");
-
 module_param(disable_scofix, bool, 0644);
 MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");