[Bluetooth] Enable SCO support for Broadcom HID proxy dongle

[pandora-kernel.git] / drivers / bluetooth / hci_usb.c

diff --git a/drivers/bluetooth/hci_usb.c b/drivers/bluetooth/hci_usb.c
index f510b25..e2d4bea 100644 (file)
--- a/drivers/bluetooth/hci_usb.c
+++ b/drivers/bluetooth/hci_usb.c
@@ -31,7 +31,6 @@
  *
  */
 
-#include <linux/config.h>
 #include <linux/module.h>
 
 #include <linux/kernel.h>
@@ -65,8 +64,11 @@
 #endif
 
 static int ignore = 0;
+static int ignore_dga = 0;
 static int ignore_csr = 0;
 static int ignore_sniffer = 0;
+static int disable_scofix = 0;
+static int force_scofix = 0;
 static int reset = 0;
 
 #ifdef CONFIG_BT_HCIUSB_SCO
@@ -107,9 +109,12 @@ static struct usb_device_id blacklist_ids[] = {
        { USB_DEVICE(0x0a5c, 0x2033), .driver_info = HCI_IGNORE },
 
        /* Broadcom BCM2035 */
-       { USB_DEVICE(0x0a5c, 0x200a), .driver_info = HCI_RESET | HCI_BROKEN_ISOC },
+       { USB_DEVICE(0x0a5c, 0x200a), .driver_info = HCI_RESET | HCI_WRONG_SCO_MTU },
        { USB_DEVICE(0x0a5c, 0x2009), .driver_info = HCI_BCM92035 },
 
+       /* IBM/Lenovo ThinkPad with Broadcom chip */
+       { USB_DEVICE(0x0a5c, 0x201e), .driver_info = HCI_WRONG_SCO_MTU },
+
        /* Microsoft Wireless Transceiver for Bluetooth 2.0 */
        { USB_DEVICE(0x045e, 0x009c), .driver_info = HCI_RESET },
 
@@ -119,8 +124,13 @@ static struct usb_device_id blacklist_ids[] = {
        /* ISSC Bluetooth Adapter v3.1 */
        { USB_DEVICE(0x1131, 0x1001), .driver_info = HCI_RESET },
 
-       /* RTX Telecom based adapter with buggy SCO support */
+       /* RTX Telecom based adapters with buggy SCO support */
        { USB_DEVICE(0x0400, 0x0807), .driver_info = HCI_BROKEN_ISOC },
+       { USB_DEVICE(0x0400, 0x080a), .driver_info = HCI_BROKEN_ISOC },
+
+       /* Belkin F8T012 and F8T013 devices */
+       { USB_DEVICE(0x050d, 0x0012), .driver_info = HCI_WRONG_SCO_MTU },
+       { USB_DEVICE(0x050d, 0x0013), .driver_info = HCI_WRONG_SCO_MTU },
 
        /* Digianswer devices */
        { USB_DEVICE(0x08fd, 0x0001), .driver_info = HCI_DIGIANSWER },
@@ -129,6 +139,9 @@ static struct usb_device_id blacklist_ids[] = {
        /* CSR BlueCore Bluetooth Sniffer */
        { USB_DEVICE(0x0a12, 0x0002), .driver_info = HCI_SNIFFER },
 
+       /* Frontline ComProbe Bluetooth Sniffer */
+       { USB_DEVICE(0x16d3, 0x0002), .driver_info = HCI_SNIFFER },
+
        { }     /* Terminating entry */
 };
 
@@ -841,6 +854,9 @@ static int hci_usb_probe(struct usb_interface *intf, const struct usb_device_id
        if (ignore || id->driver_info & HCI_IGNORE)
                return -ENODEV;
 
+       if (ignore_dga && id->driver_info & HCI_DIGIANSWER)
+               return -ENODEV;
+
        if (ignore_csr && id->driver_info & HCI_CSR)
                return -ENODEV;
 
@@ -981,6 +997,11 @@ static int hci_usb_probe(struct usb_interface *intf, const struct usb_device_id
        if (reset || id->driver_info & HCI_RESET)
                set_bit(HCI_QUIRK_RESET_ON_INIT, &hdev->quirks);
 
+       if (force_scofix || id->driver_info & HCI_WRONG_SCO_MTU) {
+               if (!disable_scofix)
+                       set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
+       }
+
        if (id->driver_info & HCI_SNIFFER) {
                if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
                        set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
@@ -1039,11 +1060,81 @@ static void hci_usb_disconnect(struct usb_interface *intf)
        hci_free_dev(hdev);
 }
 
+static int hci_usb_suspend(struct usb_interface *intf, pm_message_t message)
+{
+       struct hci_usb *husb = usb_get_intfdata(intf);
+       struct list_head killed;
+       unsigned long flags;
+       int i;
+
+       if (!husb || intf == husb->isoc_iface)
+               return 0;
+
+       hci_suspend_dev(husb->hdev);
+
+       INIT_LIST_HEAD(&killed);
+
+       for (i = 0; i < 4; i++) {
+               struct _urb_queue *q = &husb->pending_q[i];
+               struct _urb *_urb, *_tmp;
+
+               while ((_urb = _urb_dequeue(q))) {
+                       /* reset queue since _urb_dequeue sets it to NULL */
+                       _urb->queue = q;
+                       usb_kill_urb(&_urb->urb);
+                       list_add(&_urb->list, &killed);
+               }
+
+               spin_lock_irqsave(&q->lock, flags);
+
+               list_for_each_entry_safe(_urb, _tmp, &killed, list) {
+                       list_move_tail(&_urb->list, &q->head);
+               }
+
+               spin_unlock_irqrestore(&q->lock, flags);
+       }
+
+       return 0;
+}
+
+static int hci_usb_resume(struct usb_interface *intf)
+{
+       struct hci_usb *husb = usb_get_intfdata(intf);
+       unsigned long flags;
+       int i, err = 0;
+
+       if (!husb || intf == husb->isoc_iface)
+               return 0;
+       
+       for (i = 0; i < 4; i++) {
+               struct _urb_queue *q = &husb->pending_q[i];
+               struct _urb *_urb;
+
+               spin_lock_irqsave(&q->lock, flags);
+
+               list_for_each_entry(_urb, &q->head, list) {
+                       err = usb_submit_urb(&_urb->urb, GFP_ATOMIC);
+                       if (err)
+                               break;
+               }
+
+               spin_unlock_irqrestore(&q->lock, flags);
+
+               if (err)
+                       return -EIO;
+       }
+
+       hci_resume_dev(husb->hdev);
+
+       return 0;
+}
+
 static struct usb_driver hci_usb_driver = {
-       .owner          = THIS_MODULE,
        .name           = "hci_usb",
        .probe          = hci_usb_probe,
        .disconnect     = hci_usb_disconnect,
+       .suspend        = hci_usb_suspend,
+       .resume         = hci_usb_resume,
        .id_table       = bluetooth_ids,
 };
 
@@ -1070,12 +1161,21 @@ module_exit(hci_usb_exit);
 module_param(ignore, bool, 0644);
 MODULE_PARM_DESC(ignore, "Ignore devices from the matching table");
 
+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");
+
+module_param(force_scofix, bool, 0644);
+MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
+
 module_param(reset, bool, 0644);
 MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");