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-rw-r--r--drivers/bluetooth/Kconfig10
-rw-r--r--drivers/bluetooth/bt3c_cs.c2
-rw-r--r--drivers/bluetooth/btusb.c282
-rw-r--r--drivers/bluetooth/hci_ldisc.c2
-rw-r--r--drivers/bluetooth/hci_usb.c2
-rw-r--r--drivers/bluetooth/hci_vhci.c2
6 files changed, 276 insertions, 24 deletions
diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
index a235ca78746..7cb4029a537 100644
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -3,8 +3,8 @@ menu "Bluetooth device drivers"
depends on BT
config BT_HCIUSB
- tristate "HCI USB driver"
- depends on USB
+ tristate "HCI USB driver (old version)"
+ depends on USB && BT_HCIBTUSB=n
help
Bluetooth HCI USB driver.
This driver is required if you want to use Bluetooth devices with
@@ -23,15 +23,13 @@ config BT_HCIUSB_SCO
Say Y here to compile support for SCO over HCI USB.
config BT_HCIBTUSB
- tristate "HCI USB driver (alternate version)"
- depends on USB && EXPERIMENTAL && BT_HCIUSB=n
+ tristate "HCI USB driver"
+ depends on USB
help
Bluetooth HCI USB driver.
This driver is required if you want to use Bluetooth devices with
USB interface.
- This driver is still experimental and has no SCO support.
-
Say Y here to compile support for Bluetooth USB devices into the
kernel or say M to compile it as module (btusb).
diff --git a/drivers/bluetooth/bt3c_cs.c b/drivers/bluetooth/bt3c_cs.c
index 593b7c59503..27058477cc8 100644
--- a/drivers/bluetooth/bt3c_cs.c
+++ b/drivers/bluetooth/bt3c_cs.c
@@ -60,7 +60,7 @@
/* ======================== Module parameters ======================== */
-MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>, Jose Orlando Pereira <jop@di.uminho.pt>");
+MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
MODULE_DESCRIPTION("Bluetooth driver for the 3Com Bluetooth PCMCIA card");
MODULE_LICENSE("GPL");
MODULE_FIRMWARE("BT3CPCC.bin");
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 95ae9ba5661..6a010681ecf 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2,7 +2,7 @@
*
* Generic Bluetooth USB driver
*
- * Copyright (C) 2005-2007 Marcel Holtmann <marcel@holtmann.org>
+ * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org>
*
*
* This program is free software; you can redistribute it and/or modify
@@ -41,7 +41,7 @@
#define BT_DBG(D...)
#endif
-#define VERSION "0.2"
+#define VERSION "0.3"
static int ignore_dga;
static int ignore_csr;
@@ -160,12 +160,16 @@ static struct usb_device_id blacklist_table[] = {
{ } /* Terminating entry */
};
+#define BTUSB_MAX_ISOC_FRAMES 10
+
#define BTUSB_INTR_RUNNING 0
#define BTUSB_BULK_RUNNING 1
+#define BTUSB_ISOC_RUNNING 2
struct btusb_data {
struct hci_dev *hdev;
struct usb_device *udev;
+ struct usb_interface *isoc;
spinlock_t lock;
@@ -176,10 +180,15 @@ struct btusb_data {
struct usb_anchor tx_anchor;
struct usb_anchor intr_anchor;
struct usb_anchor bulk_anchor;
+ struct usb_anchor isoc_anchor;
struct usb_endpoint_descriptor *intr_ep;
struct usb_endpoint_descriptor *bulk_tx_ep;
struct usb_endpoint_descriptor *bulk_rx_ep;
+ struct usb_endpoint_descriptor *isoc_tx_ep;
+ struct usb_endpoint_descriptor *isoc_rx_ep;
+
+ int isoc_altsetting;
};
static void btusb_intr_complete(struct urb *urb)
@@ -195,6 +204,8 @@ static void btusb_intr_complete(struct urb *urb)
return;
if (urb->status == 0) {
+ hdev->stat.byte_rx += urb->actual_length;
+
if (hci_recv_fragment(hdev, HCI_EVENT_PKT,
urb->transfer_buffer,
urb->actual_length) < 0) {
@@ -216,7 +227,7 @@ static void btusb_intr_complete(struct urb *urb)
}
}
-static inline int btusb_submit_intr_urb(struct hci_dev *hdev)
+static int btusb_submit_intr_urb(struct hci_dev *hdev)
{
struct btusb_data *data = hdev->driver_data;
struct urb *urb;
@@ -226,6 +237,9 @@ static inline int btusb_submit_intr_urb(struct hci_dev *hdev)
BT_DBG("%s", hdev->name);
+ if (!data->intr_ep)
+ return -ENODEV;
+
urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urb)
return -ENOMEM;
@@ -274,6 +288,8 @@ static void btusb_bulk_complete(struct urb *urb)
return;
if (urb->status == 0) {
+ hdev->stat.byte_rx += urb->actual_length;
+
if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT,
urb->transfer_buffer,
urb->actual_length) < 0) {
@@ -295,7 +311,7 @@ static void btusb_bulk_complete(struct urb *urb)
}
}
-static inline int btusb_submit_bulk_urb(struct hci_dev *hdev)
+static int btusb_submit_bulk_urb(struct hci_dev *hdev)
{
struct btusb_data *data = hdev->driver_data;
struct urb *urb;
@@ -305,6 +321,9 @@ static inline int btusb_submit_bulk_urb(struct hci_dev *hdev)
BT_DBG("%s", hdev->name);
+ if (!data->bulk_rx_ep)
+ return -ENODEV;
+
urb = usb_alloc_urb(0, GFP_KERNEL);
if (!urb)
return -ENOMEM;
@@ -339,6 +358,127 @@ static inline int btusb_submit_bulk_urb(struct hci_dev *hdev)
return err;
}
+static void btusb_isoc_complete(struct urb *urb)
+{
+ struct hci_dev *hdev = urb->context;
+ struct btusb_data *data = hdev->driver_data;
+ int i, err;
+
+ BT_DBG("%s urb %p status %d count %d", hdev->name,
+ urb, urb->status, urb->actual_length);
+
+ if (!test_bit(HCI_RUNNING, &hdev->flags))
+ return;
+
+ if (urb->status == 0) {
+ for (i = 0; i < urb->number_of_packets; i++) {
+ unsigned int offset = urb->iso_frame_desc[i].offset;
+ unsigned int length = urb->iso_frame_desc[i].actual_length;
+
+ if (urb->iso_frame_desc[i].status)
+ continue;
+
+ hdev->stat.byte_rx += length;
+
+ if (hci_recv_fragment(hdev, HCI_SCODATA_PKT,
+ urb->transfer_buffer + offset,
+ length) < 0) {
+ BT_ERR("%s corrupted SCO packet", hdev->name);
+ hdev->stat.err_rx++;
+ }
+ }
+ }
+
+ if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
+ return;
+
+ usb_anchor_urb(urb, &data->isoc_anchor);
+
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (err < 0) {
+ BT_ERR("%s urb %p failed to resubmit (%d)",
+ hdev->name, urb, -err);
+ usb_unanchor_urb(urb);
+ }
+}
+
+static void inline __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
+{
+ int i, offset = 0;
+
+ BT_DBG("len %d mtu %d", len, mtu);
+
+ for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
+ i++, offset += mtu, len -= mtu) {
+ urb->iso_frame_desc[i].offset = offset;
+ urb->iso_frame_desc[i].length = mtu;
+ }
+
+ if (len && i < BTUSB_MAX_ISOC_FRAMES) {
+ urb->iso_frame_desc[i].offset = offset;
+ urb->iso_frame_desc[i].length = len;
+ i++;
+ }
+
+ urb->number_of_packets = i;
+}
+
+static int btusb_submit_isoc_urb(struct hci_dev *hdev)
+{
+ struct btusb_data *data = hdev->driver_data;
+ struct urb *urb;
+ unsigned char *buf;
+ unsigned int pipe;
+ int err, size;
+
+ BT_DBG("%s", hdev->name);
+
+ if (!data->isoc_rx_ep)
+ return -ENODEV;
+
+ urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL);
+ if (!urb)
+ return -ENOMEM;
+
+ size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
+ BTUSB_MAX_ISOC_FRAMES;
+
+ buf = kmalloc(size, GFP_KERNEL);
+ if (!buf) {
+ usb_free_urb(urb);
+ return -ENOMEM;
+ }
+
+ pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
+
+ urb->dev = data->udev;
+ urb->pipe = pipe;
+ urb->context = hdev;
+ urb->complete = btusb_isoc_complete;
+ urb->interval = data->isoc_rx_ep->bInterval;
+
+ urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
+ urb->transfer_buffer = buf;
+ urb->transfer_buffer_length = size;
+
+ __fill_isoc_descriptor(urb, size,
+ le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
+
+ usb_anchor_urb(urb, &data->isoc_anchor);
+
+ err = usb_submit_urb(urb, GFP_KERNEL);
+ if (err < 0) {
+ BT_ERR("%s urb %p submission failed (%d)",
+ hdev->name, urb, -err);
+ usb_unanchor_urb(urb);
+ kfree(buf);
+ }
+
+ usb_free_urb(urb);
+
+ return err;
+}
+
static void btusb_tx_complete(struct urb *urb)
{
struct sk_buff *skb = urb->context;
@@ -392,6 +532,9 @@ static int btusb_close(struct hci_dev *hdev)
if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
return 0;
+ clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+ usb_kill_anchored_urbs(&data->intr_anchor);
+
clear_bit(BTUSB_BULK_RUNNING, &data->flags);
usb_kill_anchored_urbs(&data->bulk_anchor);
@@ -453,6 +596,9 @@ static int btusb_send_frame(struct sk_buff *skb)
break;
case HCI_ACLDATA_PKT:
+ if (!data->bulk_tx_ep || hdev->conn_hash.acl_num < 1)
+ return -ENODEV;
+
urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urb)
return -ENOMEM;
@@ -467,9 +613,31 @@ static int btusb_send_frame(struct sk_buff *skb)
break;
case HCI_SCODATA_PKT:
+ if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1)
+ return -ENODEV;
+
+ urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC);
+ if (!urb)
+ return -ENOMEM;
+
+ pipe = usb_sndisocpipe(data->udev,
+ data->isoc_tx_ep->bEndpointAddress);
+
+ urb->dev = data->udev;
+ urb->pipe = pipe;
+ urb->context = skb;
+ urb->complete = btusb_tx_complete;
+ urb->interval = data->isoc_tx_ep->bInterval;
+
+ urb->transfer_flags = URB_ISO_ASAP;
+ urb->transfer_buffer = skb->data;
+ urb->transfer_buffer_length = skb->len;
+
+ __fill_isoc_descriptor(urb, skb->len,
+ le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
+
hdev->stat.sco_tx++;
- kfree_skb(skb);
- return 0;
+ break;
default:
return -EILSEQ;
@@ -508,22 +676,86 @@ static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
schedule_work(&data->work);
}
+static int inline __set_isoc_interface(struct hci_dev *hdev, int altsetting)
+{
+ struct btusb_data *data = hdev->driver_data;
+ struct usb_interface *intf = data->isoc;
+ struct usb_endpoint_descriptor *ep_desc;
+ int i, err;
+
+ if (!data->isoc)
+ return -ENODEV;
+
+ err = usb_set_interface(data->udev, 1, altsetting);
+ if (err < 0) {
+ BT_ERR("%s setting interface failed (%d)", hdev->name, -err);
+ return err;
+ }
+
+ data->isoc_altsetting = altsetting;
+
+ data->isoc_tx_ep = NULL;
+ data->isoc_rx_ep = NULL;
+
+ for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
+ ep_desc = &intf->cur_altsetting->endpoint[i].desc;
+
+ if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
+ data->isoc_tx_ep = ep_desc;
+ continue;
+ }
+
+ if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
+ data->isoc_rx_ep = ep_desc;
+ continue;
+ }
+ }
+
+ if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
+ BT_ERR("%s invalid SCO descriptors", hdev->name);
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
static void btusb_work(struct work_struct *work)
{
struct btusb_data *data = container_of(work, struct btusb_data, work);
struct hci_dev *hdev = data->hdev;
- if (hdev->conn_hash.acl_num == 0) {
+ if (hdev->conn_hash.acl_num > 0) {
+ if (!test_and_set_bit(BTUSB_BULK_RUNNING, &data->flags)) {
+ if (btusb_submit_bulk_urb(hdev) < 0)
+ clear_bit(BTUSB_BULK_RUNNING, &data->flags);
+ else
+ btusb_submit_bulk_urb(hdev);
+ }
+ } else {
clear_bit(BTUSB_BULK_RUNNING, &data->flags);
usb_kill_anchored_urbs(&data->bulk_anchor);
- return;
}
- if (!test_and_set_bit(BTUSB_BULK_RUNNING, &data->flags)) {
- if (btusb_submit_bulk_urb(hdev) < 0)
- clear_bit(BTUSB_BULK_RUNNING, &data->flags);
- else
- btusb_submit_bulk_urb(hdev);
+ if (hdev->conn_hash.sco_num > 0) {
+ if (data->isoc_altsetting != 2) {
+ clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+ usb_kill_anchored_urbs(&data->isoc_anchor);
+
+ if (__set_isoc_interface(hdev, 2) < 0)
+ return;
+ }
+
+ if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
+ if (btusb_submit_isoc_urb(hdev) < 0)
+ clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+ else
+ btusb_submit_isoc_urb(hdev);
+ }
+ } else {
+ clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+ usb_kill_anchored_urbs(&data->isoc_anchor);
+
+ __set_isoc_interface(hdev, 0);
}
}
@@ -597,6 +829,7 @@ static int btusb_probe(struct usb_interface *intf,
init_usb_anchor(&data->tx_anchor);
init_usb_anchor(&data->intr_anchor);
init_usb_anchor(&data->bulk_anchor);
+ init_usb_anchor(&data->isoc_anchor);
hdev = hci_alloc_dev();
if (!hdev) {
@@ -620,6 +853,9 @@ static int btusb_probe(struct usb_interface *intf,
hdev->owner = THIS_MODULE;
+ /* interface numbers are hardcoded in the spec */
+ data->isoc = usb_ifnum_to_if(data->udev, 1);
+
if (reset || id->driver_info & BTUSB_RESET)
set_bit(HCI_QUIRK_RESET_ON_INIT, &hdev->quirks);
@@ -628,11 +864,16 @@ static int btusb_probe(struct usb_interface *intf,
set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
}
+ if (id->driver_info & BTUSB_BROKEN_ISOC)
+ data->isoc = NULL;
+
if (id->driver_info & BTUSB_SNIFFER) {
- struct usb_device *udev = interface_to_usbdev(intf);
+ struct usb_device *udev = data->udev;
if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
+
+ data->isoc = NULL;
}
if (id->driver_info & BTUSB_BCM92035) {
@@ -646,6 +887,16 @@ static int btusb_probe(struct usb_interface *intf,
}
}
+ if (data->isoc) {
+ err = usb_driver_claim_interface(&btusb_driver,
+ data->isoc, NULL);
+ if (err < 0) {
+ hci_free_dev(hdev);
+ kfree(data);
+ return err;
+ }
+ }
+
err = hci_register_dev(hdev);
if (err < 0) {
hci_free_dev(hdev);
@@ -670,6 +921,9 @@ static void btusb_disconnect(struct usb_interface *intf)
hdev = data->hdev;
+ if (data->isoc)
+ usb_driver_release_interface(&btusb_driver, data->isoc);
+
usb_set_intfdata(intf, NULL);
hci_unregister_dev(hdev);
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index 69df187d74c..8dfcf77cb71 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -577,7 +577,7 @@ module_exit(hci_uart_exit);
module_param(reset, bool, 0644);
MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
-MODULE_AUTHOR("Maxim Krasnyansky <maxk@qualcomm.com>, Marcel Holtmann <marcel@holtmann.org>");
+MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
MODULE_DESCRIPTION("Bluetooth HCI UART driver ver " VERSION);
MODULE_VERSION(VERSION);
MODULE_LICENSE("GPL");
diff --git a/drivers/bluetooth/hci_usb.c b/drivers/bluetooth/hci_usb.c
index e397572bf57..3c453924f83 100644
--- a/drivers/bluetooth/hci_usb.c
+++ b/drivers/bluetooth/hci_usb.c
@@ -1130,7 +1130,7 @@ module_param(isoc, int, 0644);
MODULE_PARM_DESC(isoc, "Set isochronous transfers for SCO over HCI support");
#endif
-MODULE_AUTHOR("Maxim Krasnyansky <maxk@qualcomm.com>, Marcel Holtmann <marcel@holtmann.org>");
+MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
MODULE_DESCRIPTION("Bluetooth HCI USB driver ver " VERSION);
MODULE_VERSION(VERSION);
MODULE_LICENSE("GPL");
diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c
index d97700aa54a..7320a71b636 100644
--- a/drivers/bluetooth/hci_vhci.c
+++ b/drivers/bluetooth/hci_vhci.c
@@ -377,7 +377,7 @@ module_exit(vhci_exit);
module_param(minor, int, 0444);
MODULE_PARM_DESC(minor, "Miscellaneous minor device number");
-MODULE_AUTHOR("Maxim Krasnyansky <maxk@qualcomm.com>, Marcel Holtmann <marcel@holtmann.org>");
+MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
MODULE_DESCRIPTION("Bluetooth virtual HCI driver ver " VERSION);
MODULE_VERSION(VERSION);
MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 00:44:19 +0000