forked from Minki/linux
1657 lines
42 KiB
C
1657 lines
42 KiB
C
/*
|
|
*
|
|
* Generic Bluetooth USB driver
|
|
*
|
|
* Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org>
|
|
*
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/usb.h>
|
|
#include <linux/firmware.h>
|
|
|
|
#include <net/bluetooth/bluetooth.h>
|
|
#include <net/bluetooth/hci_core.h>
|
|
|
|
#define VERSION "0.6"
|
|
|
|
static bool ignore_dga;
|
|
static bool ignore_csr;
|
|
static bool ignore_sniffer;
|
|
static bool disable_scofix;
|
|
static bool force_scofix;
|
|
|
|
static bool reset = 1;
|
|
|
|
static struct usb_driver btusb_driver;
|
|
|
|
#define BTUSB_IGNORE 0x01
|
|
#define BTUSB_DIGIANSWER 0x02
|
|
#define BTUSB_CSR 0x04
|
|
#define BTUSB_SNIFFER 0x08
|
|
#define BTUSB_BCM92035 0x10
|
|
#define BTUSB_BROKEN_ISOC 0x20
|
|
#define BTUSB_WRONG_SCO_MTU 0x40
|
|
#define BTUSB_ATH3012 0x80
|
|
#define BTUSB_INTEL 0x100
|
|
|
|
static struct usb_device_id btusb_table[] = {
|
|
/* Generic Bluetooth USB device */
|
|
{ USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
|
|
|
|
/* Apple-specific (Broadcom) devices */
|
|
{ USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01) },
|
|
|
|
/* MediaTek MT76x0E */
|
|
{ USB_DEVICE(0x0e8d, 0x763f) },
|
|
|
|
/* Broadcom SoftSailing reporting vendor specific */
|
|
{ USB_DEVICE(0x0a5c, 0x21e1) },
|
|
|
|
/* Apple MacBookPro 7,1 */
|
|
{ USB_DEVICE(0x05ac, 0x8213) },
|
|
|
|
/* Apple iMac11,1 */
|
|
{ USB_DEVICE(0x05ac, 0x8215) },
|
|
|
|
/* Apple MacBookPro6,2 */
|
|
{ USB_DEVICE(0x05ac, 0x8218) },
|
|
|
|
/* Apple MacBookAir3,1, MacBookAir3,2 */
|
|
{ USB_DEVICE(0x05ac, 0x821b) },
|
|
|
|
/* Apple MacBookAir4,1 */
|
|
{ USB_DEVICE(0x05ac, 0x821f) },
|
|
|
|
/* Apple MacBookPro8,2 */
|
|
{ USB_DEVICE(0x05ac, 0x821a) },
|
|
|
|
/* Apple MacMini5,1 */
|
|
{ USB_DEVICE(0x05ac, 0x8281) },
|
|
|
|
/* AVM BlueFRITZ! USB v2.0 */
|
|
{ USB_DEVICE(0x057c, 0x3800) },
|
|
|
|
/* Bluetooth Ultraport Module from IBM */
|
|
{ USB_DEVICE(0x04bf, 0x030a) },
|
|
|
|
/* ALPS Modules with non-standard id */
|
|
{ USB_DEVICE(0x044e, 0x3001) },
|
|
{ USB_DEVICE(0x044e, 0x3002) },
|
|
|
|
/* Ericsson with non-standard id */
|
|
{ USB_DEVICE(0x0bdb, 0x1002) },
|
|
|
|
/* Canyon CN-BTU1 with HID interfaces */
|
|
{ USB_DEVICE(0x0c10, 0x0000) },
|
|
|
|
/* Broadcom BCM20702A0 */
|
|
{ USB_DEVICE(0x0b05, 0x17b5) },
|
|
{ USB_DEVICE(0x04ca, 0x2003) },
|
|
{ USB_DEVICE(0x0489, 0xe042) },
|
|
{ USB_DEVICE(0x413c, 0x8197) },
|
|
|
|
/* Foxconn - Hon Hai */
|
|
{ USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01) },
|
|
|
|
/*Broadcom devices with vendor specific id */
|
|
{ USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01) },
|
|
|
|
{ } /* Terminating entry */
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(usb, btusb_table);
|
|
|
|
static struct usb_device_id blacklist_table[] = {
|
|
/* CSR BlueCore devices */
|
|
{ USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
|
|
|
|
/* Broadcom BCM2033 without firmware */
|
|
{ USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
|
|
|
|
/* Atheros 3011 with sflash firmware */
|
|
{ USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
|
|
{ USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE },
|
|
{ USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
|
|
{ USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
|
|
{ USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
|
|
{ USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
|
|
|
|
/* Atheros AR9285 Malbec with sflash firmware */
|
|
{ USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
|
|
|
|
/* Atheros 3012 with sflash firmware */
|
|
{ USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
|
|
|
|
/* Atheros AR5BBU12 with sflash firmware */
|
|
{ USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
|
|
|
|
/* Atheros AR5BBU12 with sflash firmware */
|
|
{ USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 },
|
|
|
|
/* Broadcom BCM2035 */
|
|
{ USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
|
|
{ USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
|
|
{ USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
|
|
|
|
/* Broadcom BCM2045 */
|
|
{ USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
|
|
{ USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
|
|
|
|
/* IBM/Lenovo ThinkPad with Broadcom chip */
|
|
{ USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
|
|
{ USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
|
|
|
|
/* HP laptop with Broadcom chip */
|
|
{ USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
|
|
|
|
/* Dell laptop with Broadcom chip */
|
|
{ USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
|
|
|
|
/* Dell Wireless 370 and 410 devices */
|
|
{ USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
|
|
{ USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
|
|
|
|
/* Belkin F8T012 and F8T013 devices */
|
|
{ USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
|
|
{ USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
|
|
|
|
/* Asus WL-BTD202 device */
|
|
{ USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
|
|
|
|
/* Kensington Bluetooth USB adapter */
|
|
{ USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
|
|
|
|
/* RTX Telecom based adapters with buggy SCO support */
|
|
{ USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
|
|
{ USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
|
|
|
|
/* CONWISE Technology based adapters with buggy SCO support */
|
|
{ USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC },
|
|
|
|
/* Digianswer devices */
|
|
{ USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
|
|
{ USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
|
|
|
|
/* CSR BlueCore Bluetooth Sniffer */
|
|
{ USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER },
|
|
|
|
/* Frontline ComProbe Bluetooth Sniffer */
|
|
{ USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER },
|
|
|
|
/* Intel Bluetooth device */
|
|
{ USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL },
|
|
|
|
{ } /* Terminating entry */
|
|
};
|
|
|
|
#define BTUSB_MAX_ISOC_FRAMES 10
|
|
|
|
#define BTUSB_INTR_RUNNING 0
|
|
#define BTUSB_BULK_RUNNING 1
|
|
#define BTUSB_ISOC_RUNNING 2
|
|
#define BTUSB_SUSPENDING 3
|
|
#define BTUSB_DID_ISO_RESUME 4
|
|
|
|
struct btusb_data {
|
|
struct hci_dev *hdev;
|
|
struct usb_device *udev;
|
|
struct usb_interface *intf;
|
|
struct usb_interface *isoc;
|
|
|
|
spinlock_t lock;
|
|
|
|
unsigned long flags;
|
|
|
|
struct work_struct work;
|
|
struct work_struct waker;
|
|
|
|
struct usb_anchor tx_anchor;
|
|
struct usb_anchor intr_anchor;
|
|
struct usb_anchor bulk_anchor;
|
|
struct usb_anchor isoc_anchor;
|
|
struct usb_anchor deferred;
|
|
int tx_in_flight;
|
|
spinlock_t txlock;
|
|
|
|
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;
|
|
|
|
__u8 cmdreq_type;
|
|
|
|
unsigned int sco_num;
|
|
int isoc_altsetting;
|
|
int suspend_count;
|
|
};
|
|
|
|
static int inc_tx(struct btusb_data *data)
|
|
{
|
|
unsigned long flags;
|
|
int rv;
|
|
|
|
spin_lock_irqsave(&data->txlock, flags);
|
|
rv = test_bit(BTUSB_SUSPENDING, &data->flags);
|
|
if (!rv)
|
|
data->tx_in_flight++;
|
|
spin_unlock_irqrestore(&data->txlock, flags);
|
|
|
|
return rv;
|
|
}
|
|
|
|
static void btusb_intr_complete(struct urb *urb)
|
|
{
|
|
struct hci_dev *hdev = urb->context;
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
int 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) {
|
|
hdev->stat.byte_rx += urb->actual_length;
|
|
|
|
if (hci_recv_fragment(hdev, HCI_EVENT_PKT,
|
|
urb->transfer_buffer,
|
|
urb->actual_length) < 0) {
|
|
BT_ERR("%s corrupted event packet", hdev->name);
|
|
hdev->stat.err_rx++;
|
|
}
|
|
}
|
|
|
|
if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
|
|
return;
|
|
|
|
usb_mark_last_busy(data->udev);
|
|
usb_anchor_urb(urb, &data->intr_anchor);
|
|
|
|
err = usb_submit_urb(urb, GFP_ATOMIC);
|
|
if (err < 0) {
|
|
/* -EPERM: urb is being killed;
|
|
* -ENODEV: device got disconnected */
|
|
if (err != -EPERM && err != -ENODEV)
|
|
BT_ERR("%s urb %p failed to resubmit (%d)",
|
|
hdev->name, urb, -err);
|
|
usb_unanchor_urb(urb);
|
|
}
|
|
}
|
|
|
|
static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
|
|
{
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
struct urb *urb;
|
|
unsigned char *buf;
|
|
unsigned int pipe;
|
|
int err, size;
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
if (!data->intr_ep)
|
|
return -ENODEV;
|
|
|
|
urb = usb_alloc_urb(0, mem_flags);
|
|
if (!urb)
|
|
return -ENOMEM;
|
|
|
|
size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
|
|
|
|
buf = kmalloc(size, mem_flags);
|
|
if (!buf) {
|
|
usb_free_urb(urb);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
|
|
|
|
usb_fill_int_urb(urb, data->udev, pipe, buf, size,
|
|
btusb_intr_complete, hdev,
|
|
data->intr_ep->bInterval);
|
|
|
|
urb->transfer_flags |= URB_FREE_BUFFER;
|
|
|
|
usb_anchor_urb(urb, &data->intr_anchor);
|
|
|
|
err = usb_submit_urb(urb, mem_flags);
|
|
if (err < 0) {
|
|
if (err != -EPERM && err != -ENODEV)
|
|
BT_ERR("%s urb %p submission failed (%d)",
|
|
hdev->name, urb, -err);
|
|
usb_unanchor_urb(urb);
|
|
}
|
|
|
|
usb_free_urb(urb);
|
|
|
|
return err;
|
|
}
|
|
|
|
static void btusb_bulk_complete(struct urb *urb)
|
|
{
|
|
struct hci_dev *hdev = urb->context;
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
int 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) {
|
|
hdev->stat.byte_rx += urb->actual_length;
|
|
|
|
if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT,
|
|
urb->transfer_buffer,
|
|
urb->actual_length) < 0) {
|
|
BT_ERR("%s corrupted ACL packet", hdev->name);
|
|
hdev->stat.err_rx++;
|
|
}
|
|
}
|
|
|
|
if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
|
|
return;
|
|
|
|
usb_anchor_urb(urb, &data->bulk_anchor);
|
|
usb_mark_last_busy(data->udev);
|
|
|
|
err = usb_submit_urb(urb, GFP_ATOMIC);
|
|
if (err < 0) {
|
|
/* -EPERM: urb is being killed;
|
|
* -ENODEV: device got disconnected */
|
|
if (err != -EPERM && err != -ENODEV)
|
|
BT_ERR("%s urb %p failed to resubmit (%d)",
|
|
hdev->name, urb, -err);
|
|
usb_unanchor_urb(urb);
|
|
}
|
|
}
|
|
|
|
static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
|
|
{
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
struct urb *urb;
|
|
unsigned char *buf;
|
|
unsigned int pipe;
|
|
int err, size = HCI_MAX_FRAME_SIZE;
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
if (!data->bulk_rx_ep)
|
|
return -ENODEV;
|
|
|
|
urb = usb_alloc_urb(0, mem_flags);
|
|
if (!urb)
|
|
return -ENOMEM;
|
|
|
|
buf = kmalloc(size, mem_flags);
|
|
if (!buf) {
|
|
usb_free_urb(urb);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
|
|
|
|
usb_fill_bulk_urb(urb, data->udev, pipe,
|
|
buf, size, btusb_bulk_complete, hdev);
|
|
|
|
urb->transfer_flags |= URB_FREE_BUFFER;
|
|
|
|
usb_mark_last_busy(data->udev);
|
|
usb_anchor_urb(urb, &data->bulk_anchor);
|
|
|
|
err = usb_submit_urb(urb, mem_flags);
|
|
if (err < 0) {
|
|
if (err != -EPERM && err != -ENODEV)
|
|
BT_ERR("%s urb %p submission failed (%d)",
|
|
hdev->name, urb, -err);
|
|
usb_unanchor_urb(urb);
|
|
}
|
|
|
|
usb_free_urb(urb);
|
|
|
|
return err;
|
|
}
|
|
|
|
static void btusb_isoc_complete(struct urb *urb)
|
|
{
|
|
struct hci_dev *hdev = urb->context;
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
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) {
|
|
/* -EPERM: urb is being killed;
|
|
* -ENODEV: device got disconnected */
|
|
if (err != -EPERM && err != -ENODEV)
|
|
BT_ERR("%s urb %p failed to resubmit (%d)",
|
|
hdev->name, urb, -err);
|
|
usb_unanchor_urb(urb);
|
|
}
|
|
}
|
|
|
|
static inline void __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, gfp_t mem_flags)
|
|
{
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
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, mem_flags);
|
|
if (!urb)
|
|
return -ENOMEM;
|
|
|
|
size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
|
|
BTUSB_MAX_ISOC_FRAMES;
|
|
|
|
buf = kmalloc(size, mem_flags);
|
|
if (!buf) {
|
|
usb_free_urb(urb);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
|
|
|
|
usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
|
|
hdev, data->isoc_rx_ep->bInterval);
|
|
|
|
urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
|
|
|
|
__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, mem_flags);
|
|
if (err < 0) {
|
|
if (err != -EPERM && err != -ENODEV)
|
|
BT_ERR("%s urb %p submission failed (%d)",
|
|
hdev->name, urb, -err);
|
|
usb_unanchor_urb(urb);
|
|
}
|
|
|
|
usb_free_urb(urb);
|
|
|
|
return err;
|
|
}
|
|
|
|
static void btusb_tx_complete(struct urb *urb)
|
|
{
|
|
struct sk_buff *skb = urb->context;
|
|
struct hci_dev *hdev = (struct hci_dev *) skb->dev;
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
|
|
BT_DBG("%s urb %p status %d count %d", hdev->name,
|
|
urb, urb->status, urb->actual_length);
|
|
|
|
if (!test_bit(HCI_RUNNING, &hdev->flags))
|
|
goto done;
|
|
|
|
if (!urb->status)
|
|
hdev->stat.byte_tx += urb->transfer_buffer_length;
|
|
else
|
|
hdev->stat.err_tx++;
|
|
|
|
done:
|
|
spin_lock(&data->txlock);
|
|
data->tx_in_flight--;
|
|
spin_unlock(&data->txlock);
|
|
|
|
kfree(urb->setup_packet);
|
|
|
|
kfree_skb(skb);
|
|
}
|
|
|
|
static void btusb_isoc_tx_complete(struct urb *urb)
|
|
{
|
|
struct sk_buff *skb = urb->context;
|
|
struct hci_dev *hdev = (struct hci_dev *) skb->dev;
|
|
|
|
BT_DBG("%s urb %p status %d count %d", hdev->name,
|
|
urb, urb->status, urb->actual_length);
|
|
|
|
if (!test_bit(HCI_RUNNING, &hdev->flags))
|
|
goto done;
|
|
|
|
if (!urb->status)
|
|
hdev->stat.byte_tx += urb->transfer_buffer_length;
|
|
else
|
|
hdev->stat.err_tx++;
|
|
|
|
done:
|
|
kfree(urb->setup_packet);
|
|
|
|
kfree_skb(skb);
|
|
}
|
|
|
|
static int btusb_open(struct hci_dev *hdev)
|
|
{
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
int err;
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
err = usb_autopm_get_interface(data->intf);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
data->intf->needs_remote_wakeup = 1;
|
|
|
|
if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
|
|
goto done;
|
|
|
|
if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
|
|
goto done;
|
|
|
|
err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
|
|
if (err < 0)
|
|
goto failed;
|
|
|
|
err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
|
|
if (err < 0) {
|
|
usb_kill_anchored_urbs(&data->intr_anchor);
|
|
goto failed;
|
|
}
|
|
|
|
set_bit(BTUSB_BULK_RUNNING, &data->flags);
|
|
btusb_submit_bulk_urb(hdev, GFP_KERNEL);
|
|
|
|
done:
|
|
usb_autopm_put_interface(data->intf);
|
|
return 0;
|
|
|
|
failed:
|
|
clear_bit(BTUSB_INTR_RUNNING, &data->flags);
|
|
clear_bit(HCI_RUNNING, &hdev->flags);
|
|
usb_autopm_put_interface(data->intf);
|
|
return err;
|
|
}
|
|
|
|
static void btusb_stop_traffic(struct btusb_data *data)
|
|
{
|
|
usb_kill_anchored_urbs(&data->intr_anchor);
|
|
usb_kill_anchored_urbs(&data->bulk_anchor);
|
|
usb_kill_anchored_urbs(&data->isoc_anchor);
|
|
}
|
|
|
|
static int btusb_close(struct hci_dev *hdev)
|
|
{
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
int err;
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
|
|
return 0;
|
|
|
|
cancel_work_sync(&data->work);
|
|
cancel_work_sync(&data->waker);
|
|
|
|
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
|
|
clear_bit(BTUSB_BULK_RUNNING, &data->flags);
|
|
clear_bit(BTUSB_INTR_RUNNING, &data->flags);
|
|
|
|
btusb_stop_traffic(data);
|
|
err = usb_autopm_get_interface(data->intf);
|
|
if (err < 0)
|
|
goto failed;
|
|
|
|
data->intf->needs_remote_wakeup = 0;
|
|
usb_autopm_put_interface(data->intf);
|
|
|
|
failed:
|
|
usb_scuttle_anchored_urbs(&data->deferred);
|
|
return 0;
|
|
}
|
|
|
|
static int btusb_flush(struct hci_dev *hdev)
|
|
{
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
usb_kill_anchored_urbs(&data->tx_anchor);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int btusb_send_frame(struct sk_buff *skb)
|
|
{
|
|
struct hci_dev *hdev = (struct hci_dev *) skb->dev;
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
struct usb_ctrlrequest *dr;
|
|
struct urb *urb;
|
|
unsigned int pipe;
|
|
int err;
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
if (!test_bit(HCI_RUNNING, &hdev->flags))
|
|
return -EBUSY;
|
|
|
|
switch (bt_cb(skb)->pkt_type) {
|
|
case HCI_COMMAND_PKT:
|
|
urb = usb_alloc_urb(0, GFP_ATOMIC);
|
|
if (!urb)
|
|
return -ENOMEM;
|
|
|
|
dr = kmalloc(sizeof(*dr), GFP_ATOMIC);
|
|
if (!dr) {
|
|
usb_free_urb(urb);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
dr->bRequestType = data->cmdreq_type;
|
|
dr->bRequest = 0;
|
|
dr->wIndex = 0;
|
|
dr->wValue = 0;
|
|
dr->wLength = __cpu_to_le16(skb->len);
|
|
|
|
pipe = usb_sndctrlpipe(data->udev, 0x00);
|
|
|
|
usb_fill_control_urb(urb, data->udev, pipe, (void *) dr,
|
|
skb->data, skb->len, btusb_tx_complete, skb);
|
|
|
|
hdev->stat.cmd_tx++;
|
|
break;
|
|
|
|
case HCI_ACLDATA_PKT:
|
|
if (!data->bulk_tx_ep)
|
|
return -ENODEV;
|
|
|
|
urb = usb_alloc_urb(0, GFP_ATOMIC);
|
|
if (!urb)
|
|
return -ENOMEM;
|
|
|
|
pipe = usb_sndbulkpipe(data->udev,
|
|
data->bulk_tx_ep->bEndpointAddress);
|
|
|
|
usb_fill_bulk_urb(urb, data->udev, pipe,
|
|
skb->data, skb->len, btusb_tx_complete, skb);
|
|
|
|
hdev->stat.acl_tx++;
|
|
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);
|
|
|
|
usb_fill_int_urb(urb, data->udev, pipe,
|
|
skb->data, skb->len, btusb_isoc_tx_complete,
|
|
skb, data->isoc_tx_ep->bInterval);
|
|
|
|
urb->transfer_flags = URB_ISO_ASAP;
|
|
|
|
__fill_isoc_descriptor(urb, skb->len,
|
|
le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
|
|
|
|
hdev->stat.sco_tx++;
|
|
goto skip_waking;
|
|
|
|
default:
|
|
return -EILSEQ;
|
|
}
|
|
|
|
err = inc_tx(data);
|
|
if (err) {
|
|
usb_anchor_urb(urb, &data->deferred);
|
|
schedule_work(&data->waker);
|
|
err = 0;
|
|
goto done;
|
|
}
|
|
|
|
skip_waking:
|
|
usb_anchor_urb(urb, &data->tx_anchor);
|
|
|
|
err = usb_submit_urb(urb, GFP_ATOMIC);
|
|
if (err < 0) {
|
|
if (err != -EPERM && err != -ENODEV)
|
|
BT_ERR("%s urb %p submission failed (%d)",
|
|
hdev->name, urb, -err);
|
|
kfree(urb->setup_packet);
|
|
usb_unanchor_urb(urb);
|
|
} else {
|
|
usb_mark_last_busy(data->udev);
|
|
}
|
|
|
|
done:
|
|
usb_free_urb(urb);
|
|
return err;
|
|
}
|
|
|
|
static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
|
|
{
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
|
|
BT_DBG("%s evt %d", hdev->name, evt);
|
|
|
|
if (hdev->conn_hash.sco_num != data->sco_num) {
|
|
data->sco_num = hdev->conn_hash.sco_num;
|
|
schedule_work(&data->work);
|
|
}
|
|
}
|
|
|
|
static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
|
|
{
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
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;
|
|
int new_alts;
|
|
int err;
|
|
|
|
if (hdev->conn_hash.sco_num > 0) {
|
|
if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
|
|
err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
|
|
if (err < 0) {
|
|
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
|
|
usb_kill_anchored_urbs(&data->isoc_anchor);
|
|
return;
|
|
}
|
|
|
|
set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
|
|
}
|
|
|
|
if (hdev->voice_setting & 0x0020) {
|
|
static const int alts[3] = { 2, 4, 5 };
|
|
new_alts = alts[hdev->conn_hash.sco_num - 1];
|
|
} else {
|
|
new_alts = hdev->conn_hash.sco_num;
|
|
}
|
|
|
|
if (data->isoc_altsetting != new_alts) {
|
|
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
|
|
usb_kill_anchored_urbs(&data->isoc_anchor);
|
|
|
|
if (__set_isoc_interface(hdev, new_alts) < 0)
|
|
return;
|
|
}
|
|
|
|
if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
|
|
if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
|
|
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
|
|
else
|
|
btusb_submit_isoc_urb(hdev, GFP_KERNEL);
|
|
}
|
|
} else {
|
|
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
|
|
usb_kill_anchored_urbs(&data->isoc_anchor);
|
|
|
|
__set_isoc_interface(hdev, 0);
|
|
if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
|
|
usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
|
|
}
|
|
}
|
|
|
|
static void btusb_waker(struct work_struct *work)
|
|
{
|
|
struct btusb_data *data = container_of(work, struct btusb_data, waker);
|
|
int err;
|
|
|
|
err = usb_autopm_get_interface(data->intf);
|
|
if (err < 0)
|
|
return;
|
|
|
|
usb_autopm_put_interface(data->intf);
|
|
}
|
|
|
|
static int btusb_setup_bcm92035(struct hci_dev *hdev)
|
|
{
|
|
struct sk_buff *skb;
|
|
u8 val = 0x00;
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb))
|
|
BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb));
|
|
else
|
|
kfree_skb(skb);
|
|
|
|
return 0;
|
|
}
|
|
|
|
struct intel_version {
|
|
u8 status;
|
|
u8 hw_platform;
|
|
u8 hw_variant;
|
|
u8 hw_revision;
|
|
u8 fw_variant;
|
|
u8 fw_revision;
|
|
u8 fw_build_num;
|
|
u8 fw_build_ww;
|
|
u8 fw_build_yy;
|
|
u8 fw_patch_num;
|
|
} __packed;
|
|
|
|
static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev,
|
|
struct intel_version *ver)
|
|
{
|
|
const struct firmware *fw;
|
|
char fwname[64];
|
|
int ret;
|
|
|
|
snprintf(fwname, sizeof(fwname),
|
|
"intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
|
|
ver->hw_platform, ver->hw_variant, ver->hw_revision,
|
|
ver->fw_variant, ver->fw_revision, ver->fw_build_num,
|
|
ver->fw_build_ww, ver->fw_build_yy);
|
|
|
|
ret = request_firmware(&fw, fwname, &hdev->dev);
|
|
if (ret < 0) {
|
|
if (ret == -EINVAL) {
|
|
BT_ERR("%s Intel firmware file request failed (%d)",
|
|
hdev->name, ret);
|
|
return NULL;
|
|
}
|
|
|
|
BT_ERR("%s failed to open Intel firmware file: %s(%d)",
|
|
hdev->name, fwname, ret);
|
|
|
|
/* If the correct firmware patch file is not found, use the
|
|
* default firmware patch file instead
|
|
*/
|
|
snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq",
|
|
ver->hw_platform, ver->hw_variant);
|
|
if (request_firmware(&fw, fwname, &hdev->dev) < 0) {
|
|
BT_ERR("%s failed to open default Intel fw file: %s",
|
|
hdev->name, fwname);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname);
|
|
|
|
return fw;
|
|
}
|
|
|
|
static int btusb_setup_intel_patching(struct hci_dev *hdev,
|
|
const struct firmware *fw,
|
|
const u8 **fw_ptr, int *disable_patch)
|
|
{
|
|
struct sk_buff *skb;
|
|
struct hci_command_hdr *cmd;
|
|
const u8 *cmd_param;
|
|
struct hci_event_hdr *evt = NULL;
|
|
const u8 *evt_param = NULL;
|
|
int remain = fw->size - (*fw_ptr - fw->data);
|
|
|
|
/* The first byte indicates the types of the patch command or event.
|
|
* 0x01 means HCI command and 0x02 is HCI event. If the first bytes
|
|
* in the current firmware buffer doesn't start with 0x01 or
|
|
* the size of remain buffer is smaller than HCI command header,
|
|
* the firmware file is corrupted and it should stop the patching
|
|
* process.
|
|
*/
|
|
if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) {
|
|
BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name);
|
|
return -EINVAL;
|
|
}
|
|
(*fw_ptr)++;
|
|
remain--;
|
|
|
|
cmd = (struct hci_command_hdr *)(*fw_ptr);
|
|
*fw_ptr += sizeof(*cmd);
|
|
remain -= sizeof(*cmd);
|
|
|
|
/* Ensure that the remain firmware data is long enough than the length
|
|
* of command parameter. If not, the firmware file is corrupted.
|
|
*/
|
|
if (remain < cmd->plen) {
|
|
BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name);
|
|
return -EFAULT;
|
|
}
|
|
|
|
/* If there is a command that loads a patch in the firmware
|
|
* file, then enable the patch upon success, otherwise just
|
|
* disable the manufacturer mode, for example patch activation
|
|
* is not required when the default firmware patch file is used
|
|
* because there are no patch data to load.
|
|
*/
|
|
if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e)
|
|
*disable_patch = 0;
|
|
|
|
cmd_param = *fw_ptr;
|
|
*fw_ptr += cmd->plen;
|
|
remain -= cmd->plen;
|
|
|
|
/* This reads the expected events when the above command is sent to the
|
|
* device. Some vendor commands expects more than one events, for
|
|
* example command status event followed by vendor specific event.
|
|
* For this case, it only keeps the last expected event. so the command
|
|
* can be sent with __hci_cmd_sync_ev() which returns the sk_buff of
|
|
* last expected event.
|
|
*/
|
|
while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) {
|
|
(*fw_ptr)++;
|
|
remain--;
|
|
|
|
evt = (struct hci_event_hdr *)(*fw_ptr);
|
|
*fw_ptr += sizeof(*evt);
|
|
remain -= sizeof(*evt);
|
|
|
|
if (remain < evt->plen) {
|
|
BT_ERR("%s Intel fw corrupted: invalid evt len",
|
|
hdev->name);
|
|
return -EFAULT;
|
|
}
|
|
|
|
evt_param = *fw_ptr;
|
|
*fw_ptr += evt->plen;
|
|
remain -= evt->plen;
|
|
}
|
|
|
|
/* Every HCI commands in the firmware file has its correspond event.
|
|
* If event is not found or remain is smaller than zero, the firmware
|
|
* file is corrupted.
|
|
*/
|
|
if (!evt || !evt_param || remain < 0) {
|
|
BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name);
|
|
return -EFAULT;
|
|
}
|
|
|
|
skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen,
|
|
cmd_param, evt->evt, HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)",
|
|
hdev->name, cmd->opcode, PTR_ERR(skb));
|
|
return PTR_ERR(skb);
|
|
}
|
|
|
|
/* It ensures that the returned event matches the event data read from
|
|
* the firmware file. At fist, it checks the length and then
|
|
* the contents of the event.
|
|
*/
|
|
if (skb->len != evt->plen) {
|
|
BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name,
|
|
le16_to_cpu(cmd->opcode));
|
|
kfree_skb(skb);
|
|
return -EFAULT;
|
|
}
|
|
|
|
if (memcmp(skb->data, evt_param, evt->plen)) {
|
|
BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)",
|
|
hdev->name, le16_to_cpu(cmd->opcode));
|
|
kfree_skb(skb);
|
|
return -EFAULT;
|
|
}
|
|
kfree_skb(skb);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int btusb_setup_intel(struct hci_dev *hdev)
|
|
{
|
|
struct sk_buff *skb;
|
|
const struct firmware *fw;
|
|
const u8 *fw_ptr;
|
|
int disable_patch;
|
|
struct intel_version *ver;
|
|
|
|
const u8 mfg_enable[] = { 0x01, 0x00 };
|
|
const u8 mfg_disable[] = { 0x00, 0x00 };
|
|
const u8 mfg_reset_deactivate[] = { 0x00, 0x01 };
|
|
const u8 mfg_reset_activate[] = { 0x00, 0x02 };
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
/* The controller has a bug with the first HCI command sent to it
|
|
* returning number of completed commands as zero. This would stall the
|
|
* command processing in the Bluetooth core.
|
|
*
|
|
* As a workaround, send HCI Reset command first which will reset the
|
|
* number of completed commands and allow normal command processing
|
|
* from now on.
|
|
*/
|
|
skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
BT_ERR("%s sending initial HCI reset command failed (%ld)",
|
|
hdev->name, PTR_ERR(skb));
|
|
return PTR_ERR(skb);
|
|
}
|
|
kfree_skb(skb);
|
|
|
|
/* Read Intel specific controller version first to allow selection of
|
|
* which firmware file to load.
|
|
*
|
|
* The returned information are hardware variant and revision plus
|
|
* firmware variant, revision and build number.
|
|
*/
|
|
skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
BT_ERR("%s reading Intel fw version command failed (%ld)",
|
|
hdev->name, PTR_ERR(skb));
|
|
return PTR_ERR(skb);
|
|
}
|
|
|
|
if (skb->len != sizeof(*ver)) {
|
|
BT_ERR("%s Intel version event length mismatch", hdev->name);
|
|
kfree_skb(skb);
|
|
return -EIO;
|
|
}
|
|
|
|
ver = (struct intel_version *)skb->data;
|
|
if (ver->status) {
|
|
BT_ERR("%s Intel fw version event failed (%02x)", hdev->name,
|
|
ver->status);
|
|
kfree_skb(skb);
|
|
return -bt_to_errno(ver->status);
|
|
}
|
|
|
|
BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
|
|
hdev->name, ver->hw_platform, ver->hw_variant,
|
|
ver->hw_revision, ver->fw_variant, ver->fw_revision,
|
|
ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy,
|
|
ver->fw_patch_num);
|
|
|
|
/* fw_patch_num indicates the version of patch the device currently
|
|
* have. If there is no patch data in the device, it is always 0x00.
|
|
* So, if it is other than 0x00, no need to patch the deivce again.
|
|
*/
|
|
if (ver->fw_patch_num) {
|
|
BT_INFO("%s: Intel device is already patched. patch num: %02x",
|
|
hdev->name, ver->fw_patch_num);
|
|
kfree_skb(skb);
|
|
return 0;
|
|
}
|
|
|
|
/* Opens the firmware patch file based on the firmware version read
|
|
* from the controller. If it fails to open the matching firmware
|
|
* patch file, it tries to open the default firmware patch file.
|
|
* If no patch file is found, allow the device to operate without
|
|
* a patch.
|
|
*/
|
|
fw = btusb_setup_intel_get_fw(hdev, ver);
|
|
if (!fw) {
|
|
kfree_skb(skb);
|
|
return 0;
|
|
}
|
|
fw_ptr = fw->data;
|
|
|
|
/* This Intel specific command enables the manufacturer mode of the
|
|
* controller.
|
|
*
|
|
* Only while this mode is enabled, the driver can download the
|
|
* firmware patch data and configuration parameters.
|
|
*/
|
|
skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
BT_ERR("%s entering Intel manufacturer mode failed (%ld)",
|
|
hdev->name, PTR_ERR(skb));
|
|
release_firmware(fw);
|
|
return PTR_ERR(skb);
|
|
}
|
|
|
|
if (skb->data[0]) {
|
|
u8 evt_status = skb->data[0];
|
|
BT_ERR("%s enable Intel manufacturer mode event failed (%02x)",
|
|
hdev->name, evt_status);
|
|
kfree_skb(skb);
|
|
release_firmware(fw);
|
|
return -bt_to_errno(evt_status);
|
|
}
|
|
kfree_skb(skb);
|
|
|
|
disable_patch = 1;
|
|
|
|
/* The firmware data file consists of list of Intel specific HCI
|
|
* commands and its expected events. The first byte indicates the
|
|
* type of the message, either HCI command or HCI event.
|
|
*
|
|
* It reads the command and its expected event from the firmware file,
|
|
* and send to the controller. Once __hci_cmd_sync_ev() returns,
|
|
* the returned event is compared with the event read from the firmware
|
|
* file and it will continue until all the messages are downloaded to
|
|
* the controller.
|
|
*
|
|
* Once the firmware patching is completed successfully,
|
|
* the manufacturer mode is disabled with reset and activating the
|
|
* downloaded patch.
|
|
*
|
|
* If the firmware patching fails, the manufacturer mode is
|
|
* disabled with reset and deactivating the patch.
|
|
*
|
|
* If the default patch file is used, no reset is done when disabling
|
|
* the manufacturer.
|
|
*/
|
|
while (fw->size > fw_ptr - fw->data) {
|
|
int ret;
|
|
|
|
ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr,
|
|
&disable_patch);
|
|
if (ret < 0)
|
|
goto exit_mfg_deactivate;
|
|
}
|
|
|
|
release_firmware(fw);
|
|
|
|
if (disable_patch)
|
|
goto exit_mfg_disable;
|
|
|
|
/* Patching completed successfully and disable the manufacturer mode
|
|
* with reset and activate the downloaded firmware patches.
|
|
*/
|
|
skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate),
|
|
mfg_reset_activate, HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
|
|
hdev->name, PTR_ERR(skb));
|
|
return PTR_ERR(skb);
|
|
}
|
|
kfree_skb(skb);
|
|
|
|
BT_INFO("%s: Intel Bluetooth firmware patch completed and activated",
|
|
hdev->name);
|
|
|
|
return 0;
|
|
|
|
exit_mfg_disable:
|
|
/* Disable the manufacturer mode without reset */
|
|
skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable,
|
|
HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
|
|
hdev->name, PTR_ERR(skb));
|
|
return PTR_ERR(skb);
|
|
}
|
|
kfree_skb(skb);
|
|
|
|
BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name);
|
|
return 0;
|
|
|
|
exit_mfg_deactivate:
|
|
release_firmware(fw);
|
|
|
|
/* Patching failed. Disable the manufacturer mode with reset and
|
|
* deactivate the downloaded firmware patches.
|
|
*/
|
|
skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate),
|
|
mfg_reset_deactivate, HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
|
|
hdev->name, PTR_ERR(skb));
|
|
return PTR_ERR(skb);
|
|
}
|
|
kfree_skb(skb);
|
|
|
|
BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated",
|
|
hdev->name);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int btusb_probe(struct usb_interface *intf,
|
|
const struct usb_device_id *id)
|
|
{
|
|
struct usb_endpoint_descriptor *ep_desc;
|
|
struct btusb_data *data;
|
|
struct hci_dev *hdev;
|
|
int i, err;
|
|
|
|
BT_DBG("intf %p id %p", intf, id);
|
|
|
|
/* interface numbers are hardcoded in the spec */
|
|
if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
|
|
return -ENODEV;
|
|
|
|
if (!id->driver_info) {
|
|
const struct usb_device_id *match;
|
|
match = usb_match_id(intf, blacklist_table);
|
|
if (match)
|
|
id = match;
|
|
}
|
|
|
|
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);
|
|
|
|
/* Old firmware would otherwise let ath3k driver load
|
|
* patch and sysconfig files */
|
|
if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001)
|
|
return -ENODEV;
|
|
}
|
|
|
|
data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
|
|
if (!data)
|
|
return -ENOMEM;
|
|
|
|
for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
|
|
ep_desc = &intf->cur_altsetting->endpoint[i].desc;
|
|
|
|
if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
|
|
data->intr_ep = ep_desc;
|
|
continue;
|
|
}
|
|
|
|
if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
|
|
data->bulk_tx_ep = ep_desc;
|
|
continue;
|
|
}
|
|
|
|
if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
|
|
data->bulk_rx_ep = ep_desc;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep)
|
|
return -ENODEV;
|
|
|
|
data->cmdreq_type = USB_TYPE_CLASS;
|
|
|
|
data->udev = interface_to_usbdev(intf);
|
|
data->intf = intf;
|
|
|
|
spin_lock_init(&data->lock);
|
|
|
|
INIT_WORK(&data->work, btusb_work);
|
|
INIT_WORK(&data->waker, btusb_waker);
|
|
spin_lock_init(&data->txlock);
|
|
|
|
init_usb_anchor(&data->tx_anchor);
|
|
init_usb_anchor(&data->intr_anchor);
|
|
init_usb_anchor(&data->bulk_anchor);
|
|
init_usb_anchor(&data->isoc_anchor);
|
|
init_usb_anchor(&data->deferred);
|
|
|
|
hdev = hci_alloc_dev();
|
|
if (!hdev)
|
|
return -ENOMEM;
|
|
|
|
hdev->bus = HCI_USB;
|
|
hci_set_drvdata(hdev, data);
|
|
|
|
data->hdev = hdev;
|
|
|
|
SET_HCIDEV_DEV(hdev, &intf->dev);
|
|
|
|
hdev->open = btusb_open;
|
|
hdev->close = btusb_close;
|
|
hdev->flush = btusb_flush;
|
|
hdev->send = btusb_send_frame;
|
|
hdev->notify = btusb_notify;
|
|
|
|
if (id->driver_info & BTUSB_BCM92035)
|
|
hdev->setup = btusb_setup_bcm92035;
|
|
|
|
if (id->driver_info & BTUSB_INTEL)
|
|
hdev->setup = btusb_setup_intel;
|
|
|
|
/* Interface numbers are hardcoded in the specification */
|
|
data->isoc = usb_ifnum_to_if(data->udev, 1);
|
|
|
|
if (!reset)
|
|
set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
|
|
|
|
if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
|
|
if (!disable_scofix)
|
|
set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
|
|
}
|
|
|
|
if (id->driver_info & BTUSB_BROKEN_ISOC)
|
|
data->isoc = NULL;
|
|
|
|
if (id->driver_info & BTUSB_DIGIANSWER) {
|
|
data->cmdreq_type = USB_TYPE_VENDOR;
|
|
set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
|
|
}
|
|
|
|
if (id->driver_info & BTUSB_CSR) {
|
|
struct usb_device *udev = data->udev;
|
|
|
|
/* Old firmware would otherwise execute USB reset */
|
|
if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117)
|
|
set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
|
|
}
|
|
|
|
if (id->driver_info & BTUSB_SNIFFER) {
|
|
struct usb_device *udev = data->udev;
|
|
|
|
/* 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 (data->isoc) {
|
|
err = usb_driver_claim_interface(&btusb_driver,
|
|
data->isoc, data);
|
|
if (err < 0) {
|
|
hci_free_dev(hdev);
|
|
return err;
|
|
}
|
|
}
|
|
|
|
err = hci_register_dev(hdev);
|
|
if (err < 0) {
|
|
hci_free_dev(hdev);
|
|
return err;
|
|
}
|
|
|
|
usb_set_intfdata(intf, data);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void btusb_disconnect(struct usb_interface *intf)
|
|
{
|
|
struct btusb_data *data = usb_get_intfdata(intf);
|
|
struct hci_dev *hdev;
|
|
|
|
BT_DBG("intf %p", intf);
|
|
|
|
if (!data)
|
|
return;
|
|
|
|
hdev = data->hdev;
|
|
usb_set_intfdata(data->intf, NULL);
|
|
|
|
if (data->isoc)
|
|
usb_set_intfdata(data->isoc, NULL);
|
|
|
|
hci_unregister_dev(hdev);
|
|
|
|
if (intf == data->isoc)
|
|
usb_driver_release_interface(&btusb_driver, data->intf);
|
|
else if (data->isoc)
|
|
usb_driver_release_interface(&btusb_driver, data->isoc);
|
|
|
|
hci_free_dev(hdev);
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
|
|
{
|
|
struct btusb_data *data = usb_get_intfdata(intf);
|
|
|
|
BT_DBG("intf %p", intf);
|
|
|
|
if (data->suspend_count++)
|
|
return 0;
|
|
|
|
spin_lock_irq(&data->txlock);
|
|
if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
|
|
set_bit(BTUSB_SUSPENDING, &data->flags);
|
|
spin_unlock_irq(&data->txlock);
|
|
} else {
|
|
spin_unlock_irq(&data->txlock);
|
|
data->suspend_count--;
|
|
return -EBUSY;
|
|
}
|
|
|
|
cancel_work_sync(&data->work);
|
|
|
|
btusb_stop_traffic(data);
|
|
usb_kill_anchored_urbs(&data->tx_anchor);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void play_deferred(struct btusb_data *data)
|
|
{
|
|
struct urb *urb;
|
|
int err;
|
|
|
|
while ((urb = usb_get_from_anchor(&data->deferred))) {
|
|
err = usb_submit_urb(urb, GFP_ATOMIC);
|
|
if (err < 0)
|
|
break;
|
|
|
|
data->tx_in_flight++;
|
|
}
|
|
usb_scuttle_anchored_urbs(&data->deferred);
|
|
}
|
|
|
|
static int btusb_resume(struct usb_interface *intf)
|
|
{
|
|
struct btusb_data *data = usb_get_intfdata(intf);
|
|
struct hci_dev *hdev = data->hdev;
|
|
int err = 0;
|
|
|
|
BT_DBG("intf %p", intf);
|
|
|
|
if (--data->suspend_count)
|
|
return 0;
|
|
|
|
if (!test_bit(HCI_RUNNING, &hdev->flags))
|
|
goto done;
|
|
|
|
if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
|
|
err = btusb_submit_intr_urb(hdev, GFP_NOIO);
|
|
if (err < 0) {
|
|
clear_bit(BTUSB_INTR_RUNNING, &data->flags);
|
|
goto failed;
|
|
}
|
|
}
|
|
|
|
if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
|
|
err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
|
|
if (err < 0) {
|
|
clear_bit(BTUSB_BULK_RUNNING, &data->flags);
|
|
goto failed;
|
|
}
|
|
|
|
btusb_submit_bulk_urb(hdev, GFP_NOIO);
|
|
}
|
|
|
|
if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
|
|
if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
|
|
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
|
|
else
|
|
btusb_submit_isoc_urb(hdev, GFP_NOIO);
|
|
}
|
|
|
|
spin_lock_irq(&data->txlock);
|
|
play_deferred(data);
|
|
clear_bit(BTUSB_SUSPENDING, &data->flags);
|
|
spin_unlock_irq(&data->txlock);
|
|
schedule_work(&data->work);
|
|
|
|
return 0;
|
|
|
|
failed:
|
|
usb_scuttle_anchored_urbs(&data->deferred);
|
|
done:
|
|
spin_lock_irq(&data->txlock);
|
|
clear_bit(BTUSB_SUSPENDING, &data->flags);
|
|
spin_unlock_irq(&data->txlock);
|
|
|
|
return err;
|
|
}
|
|
#endif
|
|
|
|
static struct usb_driver btusb_driver = {
|
|
.name = "btusb",
|
|
.probe = btusb_probe,
|
|
.disconnect = btusb_disconnect,
|
|
#ifdef CONFIG_PM
|
|
.suspend = btusb_suspend,
|
|
.resume = btusb_resume,
|
|
.reset_resume = btusb_resume,
|
|
#endif
|
|
.id_table = btusb_table,
|
|
.supports_autosuspend = 1,
|
|
.disable_hub_initiated_lpm = 1,
|
|
};
|
|
|
|
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");
|
|
|
|
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");
|
|
|
|
MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
|
|
MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
|
|
MODULE_VERSION(VERSION);
|
|
MODULE_LICENSE("GPL");
|