From 405b93e60cb12d0ff79c3e46d9dbd343b924912b Mon Sep 17 00:00:00 2001 From: Steven.Li Date: Wed, 25 May 2011 18:34:22 +0800 Subject: [PATCH 1/3] Split the btusb.c to btusb_core.c and btusb_generic.c. Signed-off-by: Steven.Li --- drivers/bluetooth/Makefile | 2 + drivers/bluetooth/ath3k.c | 21 +- drivers/bluetooth/btusb.c | 1234 --------------------------------------------- drivers/bluetooth/btusb.h | 65 +++++++++++++++++++++++++++++++++++++++++++++ drivers/bluetooth/btusb_core.c | 958 +++++++++++++++++++++++++++++++++++++ drivers/bluetooth/btusb_generic.c | 334 +++++++++++++ 6 files changed, 1378 insertions(+), 1236 deletions(-) delete mode 100644 drivers/bluetooth/btusb.c create mode 100755 drivers/bluetooth/btusb.h create mode 100644 drivers/bluetooth/btusb_core.c create mode 100644 drivers/bluetooth/btusb_generic.c diff --git a/drivers/bluetooth/Makefile b/drivers/bluetooth/Makefile index f4460f4..3acd97a 100644 --- a/drivers/bluetooth/Makefile +++ b/drivers/bluetooth/Makefile @@ -13,6 +13,8 @@ obj-$(CONFIG_BT_HCIBLUECARD) += bluecard_cs.o obj-$(CONFIG_BT_HCIBTUART) += btuart_cs.o obj-$(CONFIG_BT_HCIBTUSB) += btusb.o +btusb-y := btusb_core.o btusb_generic.o + obj-$(CONFIG_BT_HCIBTSDIO) += btsdio.o obj-$(CONFIG_BT_ATH3K) += ath3k.o diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c index 6bacef3..7bb62db 100644 --- a/drivers/bluetooth/ath3k.c +++ b/drivers/bluetooth/ath3k.c @@ -29,8 +29,12 @@ #include #include +#include "btusb.h" + #define VERSION "1.0" +static struct usb_driver ath3k_driver; + #define ATH3K_DNLOAD 0x01 #define ATH3K_GETSTATE 0x05 #define ATH3K_SET_NORMAL_MODE 0x07 @@ -372,9 +376,10 @@ static int ath3k_probe(struct usb_interface *intf, if (match) id = match; } - + /* load patch and sysconfig files for AR3012 */ if (id->driver_info & BTUSB_ATH3012) { + ret = ath3k_load_patch(udev); if (ret < 0) { BT_ERR("Loading patch file failed"); @@ -390,7 +395,11 @@ static int ath3k_probe(struct usb_interface *intf, BT_ERR("Set normal mode failed"); return ret; } - ath3k_switch_pid(udev); + /* ath3k_switch_pid(udev); */ + struct btusb_data *data = btusb_alloc_devdata(intf); + if (!data) + return -ENOMEM; + btusb_register_dev(&ath3k_driver, data); return 0; } @@ -407,7 +416,15 @@ static int ath3k_probe(struct usb_interface *intf, static void ath3k_disconnect(struct usb_interface *intf) { + BT_DBG("ath3k_disconnect intf %p", intf); + + /* To Be DONE */ + /* + struct btusb_data *data = usb_get_intfdata(intf); + btusb_release_dev(&ath3k_driver, data); + ath3k_set_preboot_mode(); + */ } static struct usb_driver ath3k_driver = { diff --git a/drivers/bluetooth/btusb.h b/drivers/bluetooth/btusb.h new file mode 100755 index 0000000..72e27e1 --- /dev/null +++ b/drivers/bluetooth/btusb.h @@ -0,0 +1,65 @@ +/* + * + * Generic Bluetooth USB driver + * + * Copyright (C) 2005-2008 Marcel Holtmann + * + * + * 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 + * +*/ + +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; +}; + +struct btusb_data* btusb_alloc_devdata(struct usb_interface *intf); +int btusb_register_dev(struct usb_driver *usbdrv, struct btusb_data *data); +void btusb_release_dev(struct usb_driver *usbdrv, struct btusb_data *data); + +#ifdef CONFIG_PM +int btusb_suspend_dev(struct btusb_data *data, pm_message_t message); +int btusb_resume_dev(struct btusb_data *data); +#endif diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c deleted file mode 100644 index c2de895..0000000 --- a/drivers/bluetooth/btusb.c +++ /dev/null @@ -1,1234 +0,0 @@ -/* - * - * Generic Bluetooth USB driver - * - * Copyright (C) 2005-2008 Marcel Holtmann - * - * - * 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 -#include -#include -#include -#include -#include -#include -#include - -#include - -#include -#include - -#define VERSION "0.6" - -static int ignore_dga; -static int ignore_csr; -static int ignore_sniffer; -static int disable_scofix; -static int force_scofix; - -static int 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 - -static struct usb_device_id btusb_table[] = { - /* Generic Bluetooth USB device */ - { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, - - /* 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 MacBookPro8,2 */ - { USB_DEVICE(0x05ac, 0x821a) }, - - /* 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) }, - - { } /* 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(0x13d3, 0x3304), .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, 0x3004), .driver_info = BTUSB_IGNORE }, - - /* Atheros AR5BBU12 with sflash firmware */ - { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, - - /* 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 }, - - { } /* 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 = hdev->driver_data; - 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) { - if (err != -EPERM) - 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 = hdev->driver_data; - 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) { - 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 = hdev->driver_data; - 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) { - if (err != -EPERM) - 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 = hdev->driver_data; - 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) { - 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 = 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) { - if (err != -EPERM) - 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 = 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, 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); - - 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, mem_flags); - if (err < 0) { - 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 = hdev->driver_data; - - 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 = hdev->driver_data; - 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 = hdev->driver_data; - 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 = hdev->driver_data; - - 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 = hdev->driver_data; - 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 || (hdev->conn_hash.acl_num < 1 && - hdev->conn_hash.le_num < 1)) - 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) { - BT_ERR("%s urb %p submission failed", hdev->name, urb); - kfree(urb->setup_packet); - usb_unanchor_urb(urb); - } else { - usb_mark_last_busy(data->udev); - } - - usb_free_urb(urb); - -done: - return err; -} - -static void btusb_destruct(struct hci_dev *hdev) -{ - struct btusb_data *data = hdev->driver_data; - - BT_DBG("%s", hdev->name); - - kfree(data); -} - -static void btusb_notify(struct hci_dev *hdev, unsigned int evt) -{ - struct btusb_data *data = hdev->driver_data; - - 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 = 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; - 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 (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, 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_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; - - data = kzalloc(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) { - kfree(data); - 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) { - kfree(data); - return -ENOMEM; - } - - hdev->bus = HCI_USB; - hdev->driver_data = 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->destruct = btusb_destruct; - hdev->notify = btusb_notify; - - hdev->owner = THIS_MODULE; - - /* Interface numbers are hardcoded in the specification */ - data->isoc = usb_ifnum_to_if(data->udev, 1); - - if (!reset) - set_bit(HCI_QUIRK_NO_RESET, &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_NO_RESET, &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_NO_RESET, &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 (id->driver_info & BTUSB_BCM92035) { - unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 }; - struct sk_buff *skb; - - skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); - if (skb) { - memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd)); - skb_queue_tail(&hdev->driver_init, skb); - } - } - - if (data->isoc) { - err = usb_driver_claim_interface(&btusb_driver, - data->isoc, data); - if (err < 0) { - hci_free_dev(hdev); - kfree(data); - return err; - } - } - - err = hci_register_dev(hdev); - if (err < 0) { - hci_free_dev(hdev); - kfree(data); - 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; - - __hci_dev_hold(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_dev_put(hdev); - - 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 (!((message.event & PM_EVENT_AUTO) && 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, -#endif - .id_table = btusb_table, - .supports_autosuspend = 1, -}; - -static int __init btusb_init(void) -{ - BT_INFO("Generic Bluetooth USB driver ver %s", VERSION); - - return usb_register(&btusb_driver); -} - -static void __exit btusb_exit(void) -{ - usb_deregister(&btusb_driver); -} - -module_init(btusb_init); -module_exit(btusb_exit); - -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 "); -MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); -MODULE_VERSION(VERSION); -MODULE_LICENSE("GPL"); diff --git a/drivers/bluetooth/btusb_core.c b/drivers/bluetooth/btusb_core.c new file mode 100644 index 0000000..1bd3219 --- /dev/null +++ b/drivers/bluetooth/btusb_core.c @@ -0,0 +1,958 @@ +/* + * + * Generic Bluetooth USB driver + * + * Copyright (C) 2005-2008 Marcel Holtmann + * + * + * 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 +#include +#include +#include +#include +#include +#include +#include + +#include + +#include +#include + +#include "btusb.h" + +#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 + +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 = hdev->driver_data; + 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) { + if (err != -EPERM) + 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 = hdev->driver_data; + 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) { + 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 = hdev->driver_data; + 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) { + if (err != -EPERM) + 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 = hdev->driver_data; + 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) { + 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 = 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) { + if (err != -EPERM) + 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 = 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, 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); + + 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, mem_flags); + if (err < 0) { + 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 = hdev->driver_data; + + 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 = hdev->driver_data; + 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 = hdev->driver_data; + 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 = hdev->driver_data; + + 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 = hdev->driver_data; + 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 || (hdev->conn_hash.acl_num < 1 && + hdev->conn_hash.le_num < 1)) + 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) { + BT_ERR("%s urb %p submission failed", hdev->name, urb); + kfree(urb->setup_packet); + usb_unanchor_urb(urb); + } else { + usb_mark_last_busy(data->udev); + } + + usb_free_urb(urb); + +done: + return err; +} + +static void btusb_destruct(struct hci_dev *hdev) +{ + struct btusb_data *data = hdev->driver_data; + + BT_DBG("%s", hdev->name); + + kfree(data); +} + +static void btusb_notify(struct hci_dev *hdev, unsigned int evt) +{ + struct btusb_data *data = hdev->driver_data; + + 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 = 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; + 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 (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, 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); +} + +struct btusb_data* btusb_alloc_devdata(struct usb_interface *intf) +{ + struct usb_endpoint_descriptor *ep_desc; + struct btusb_data *data; + struct hci_dev *hdev; + int i; + + data = kzalloc(sizeof(*data), GFP_KERNEL); + if (!data) + return NULL; + + 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) { + kfree(data); + return NULL; + } + + 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) { + kfree(data); + return NULL; + } + + hdev->bus = HCI_USB; + hdev->driver_data = 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->destruct = btusb_destruct; + hdev->notify = btusb_notify; + + hdev->owner = THIS_MODULE; + + /* Interface numbers are hardcoded in the specification */ + data->isoc = usb_ifnum_to_if(data->udev, 1); + + usb_set_intfdata(intf, data); + + return data; +} + +int btusb_register_dev(struct usb_driver *usbdrv, struct btusb_data *data) +{ + struct hci_dev *hdev; + int err; + + if (!data) + return -ENODEV; + + hdev = data->hdev; + + if (data->isoc) { + err = usb_driver_claim_interface(usbdrv, + data->isoc, data); + if (err < 0) { + usb_set_intfdata(data->intf, NULL); + hci_free_dev(hdev); + kfree(data); + return err; + } + } + + err = hci_register_dev(hdev); + if (err < 0) { + usb_set_intfdata(data->intf, NULL); + hci_free_dev(hdev); + kfree(data); + return err; + } + + return 0; +} + +void btusb_release_dev(struct usb_driver *usbdrv, struct btusb_data *data) +{ + struct hci_dev *hdev; + + if (!data) + return; + + hdev = data->hdev; + + __hci_dev_hold(hdev); + + usb_set_intfdata(data->intf, NULL); + + if (data->isoc) + usb_set_intfdata(data->isoc, NULL); + + hci_unregister_dev(hdev); + + if (data->intf == data->isoc) + usb_driver_release_interface(usbdrv, data->intf); + else if (data->isoc) + usb_driver_release_interface(usbdrv, data->isoc); + + __hci_dev_put(hdev); + + hci_free_dev(hdev); +} + +#ifdef CONFIG_PM +int btusb_suspend_dev(struct btusb_data *data, pm_message_t message) +{ + if (data->suspend_count++) + return 0; + + spin_lock_irq(&data->txlock); + if (!((message.event & PM_EVENT_AUTO) && 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); +} + +int btusb_resume_dev(struct btusb_data *data) +{ + struct hci_dev *hdev = data->hdev; + int err = 0; + + 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 + +EXPORT_SYMBOL(btusb_alloc_devdata); +EXPORT_SYMBOL(btusb_register_dev); +EXPORT_SYMBOL(btusb_release_dev); + diff --git a/drivers/bluetooth/btusb_generic.c b/drivers/bluetooth/btusb_generic.c new file mode 100644 index 0000000..62f4048 --- /dev/null +++ b/drivers/bluetooth/btusb_generic.c @@ -0,0 +1,334 @@ +/* + * + * Generic Bluetooth USB driver + * + * Copyright (C) 2005-2008 Marcel Holtmann + * + * + * 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 +#include +#include +#include +#include +#include +#include +#include + +#include + +#include +#include + +#include "btusb.h" + +#define VERSION "0.6" + +static int ignore_dga; +static int ignore_csr; +static int ignore_sniffer; +static int disable_scofix; +static int force_scofix; + +static int 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 + +static struct usb_device_id btusb_table[] = { + /* Generic Bluetooth USB device */ + { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, + + /* 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 MacBookPro8,2 */ + { USB_DEVICE(0x05ac, 0x821a) }, + + /* 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) }, + + { } /* 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(0x13d3, 0x3304), .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, 0x3004), .driver_info = BTUSB_IGNORE }, + + /* Atheros AR5BBU12 with sflash firmware */ + { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, + + /* 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 }, + + { } /* Terminating entry */ +}; + +static int btusb_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct btusb_data *data; + struct hci_dev *hdev; + + 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; + + data = btusb_alloc_devdata(intf); + if (!data) + return -ENOMEM; + + hdev = data->hdev; + if (!reset) + set_bit(HCI_QUIRK_NO_RESET, &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_NO_RESET, &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_NO_RESET, &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 (id->driver_info & BTUSB_BCM92035) { + unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 }; + struct sk_buff *skb; + + skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); + if (skb) { + memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd)); + skb_queue_tail(&hdev->driver_init, skb); + } + } + + return btusb_register_dev(&btusb_driver, data); +} + +static void btusb_disconnect(struct usb_interface *intf) +{ + struct btusb_data *data = usb_get_intfdata(intf); + + BT_DBG("intf %p", intf); + + btusb_release_dev(&btusb_driver, data); +} + +#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); + + return btusb_suspend_dev(data, message); +} + +static int btusb_resume(struct usb_interface *intf) +{ + struct btusb_data *data = usb_get_intfdata(intf); + + BT_DBG("intf %p", intf); + + return btusb_resume_dev(data); +} +#endif + +static struct usb_driver btusb_driver = { + .name = "btusb", + .probe = btusb_probe, + .disconnect = btusb_disconnect, +#ifdef CONFIG_PM + .suspend = btusb_suspend, + .resume = btusb_resume, +#endif + .id_table = btusb_table, + .supports_autosuspend = 1, +}; + +static int __init btusb_init(void) +{ + BT_INFO("Generic Bluetooth USB driver ver %s", VERSION); + + return usb_register(&btusb_driver); +} + +static void __exit btusb_exit(void) +{ + usb_deregister(&btusb_driver); +} + +module_init(btusb_init); +module_exit(btusb_exit); + +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 "); +MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); +MODULE_VERSION(VERSION); +MODULE_LICENSE("GPL"); -- 1.7.1