0915e8865f
This patch adds the module parameters ignore_csr and ignore_sniffer to the HCI USB driver. This allows an easier use of CSR ROM chips that need an additional initialization routine and the Frontline sniffers. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
130 lines
3.6 KiB
C
130 lines
3.6 KiB
C
/*
|
|
HCI USB driver for Linux Bluetooth protocol stack (BlueZ)
|
|
Copyright (C) 2000-2001 Qualcomm Incorporated
|
|
Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
|
|
|
|
Copyright (C) 2003 Maxim Krasnyansky <maxk@qualcomm.com>
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License version 2 as
|
|
published by the Free Software Foundation;
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
|
|
IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
|
|
CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
|
|
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
|
|
ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
|
|
COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
|
|
SOFTWARE IS DISCLAIMED.
|
|
*/
|
|
|
|
/* Class, SubClass, and Protocol codes that describe a Bluetooth device */
|
|
#define HCI_DEV_CLASS 0xe0 /* Wireless class */
|
|
#define HCI_DEV_SUBCLASS 0x01 /* RF subclass */
|
|
#define HCI_DEV_PROTOCOL 0x01 /* Bluetooth programming protocol */
|
|
|
|
#define HCI_IGNORE 0x01
|
|
#define HCI_RESET 0x02
|
|
#define HCI_DIGIANSWER 0x04
|
|
#define HCI_CSR 0x08
|
|
#define HCI_SNIFFER 0x10
|
|
#define HCI_BCM92035 0x20
|
|
#define HCI_BROKEN_ISOC 0x40
|
|
|
|
#define HCI_MAX_IFACE_NUM 3
|
|
|
|
#define HCI_MAX_BULK_TX 4
|
|
#define HCI_MAX_BULK_RX 1
|
|
|
|
#define HCI_MAX_ISOC_RX 2
|
|
#define HCI_MAX_ISOC_TX 2
|
|
|
|
#define HCI_MAX_ISOC_FRAMES 10
|
|
|
|
struct _urb_queue {
|
|
struct list_head head;
|
|
spinlock_t lock;
|
|
};
|
|
|
|
struct _urb {
|
|
struct list_head list;
|
|
struct _urb_queue *queue;
|
|
int type;
|
|
void *priv;
|
|
struct urb urb;
|
|
};
|
|
|
|
static inline void _urb_free(struct _urb *_urb)
|
|
{
|
|
kfree(_urb);
|
|
}
|
|
|
|
static inline void _urb_queue_init(struct _urb_queue *q)
|
|
{
|
|
INIT_LIST_HEAD(&q->head);
|
|
spin_lock_init(&q->lock);
|
|
}
|
|
|
|
static inline void _urb_queue_head(struct _urb_queue *q, struct _urb *_urb)
|
|
{
|
|
unsigned long flags;
|
|
spin_lock_irqsave(&q->lock, flags);
|
|
list_add(&_urb->list, &q->head); _urb->queue = q;
|
|
spin_unlock_irqrestore(&q->lock, flags);
|
|
}
|
|
|
|
static inline void _urb_queue_tail(struct _urb_queue *q, struct _urb *_urb)
|
|
{
|
|
unsigned long flags;
|
|
spin_lock_irqsave(&q->lock, flags);
|
|
list_add_tail(&_urb->list, &q->head); _urb->queue = q;
|
|
spin_unlock_irqrestore(&q->lock, flags);
|
|
}
|
|
|
|
static inline void _urb_unlink(struct _urb *_urb)
|
|
{
|
|
struct _urb_queue *q = _urb->queue;
|
|
unsigned long flags;
|
|
if (q) {
|
|
spin_lock_irqsave(&q->lock, flags);
|
|
list_del(&_urb->list); _urb->queue = NULL;
|
|
spin_unlock_irqrestore(&q->lock, flags);
|
|
}
|
|
}
|
|
|
|
struct hci_usb {
|
|
struct hci_dev *hdev;
|
|
|
|
unsigned long state;
|
|
|
|
struct usb_device *udev;
|
|
|
|
struct usb_host_endpoint *bulk_in_ep;
|
|
struct usb_host_endpoint *bulk_out_ep;
|
|
struct usb_host_endpoint *intr_in_ep;
|
|
|
|
struct usb_interface *isoc_iface;
|
|
struct usb_host_endpoint *isoc_out_ep;
|
|
struct usb_host_endpoint *isoc_in_ep;
|
|
|
|
__u8 ctrl_req;
|
|
|
|
struct sk_buff_head transmit_q[4];
|
|
struct sk_buff *reassembly[4]; /* Reassembly buffers */
|
|
|
|
rwlock_t completion_lock;
|
|
|
|
atomic_t pending_tx[4]; /* Number of pending requests */
|
|
struct _urb_queue pending_q[4]; /* Pending requests */
|
|
struct _urb_queue completed_q[4]; /* Completed requests */
|
|
};
|
|
|
|
/* States */
|
|
#define HCI_USB_TX_PROCESS 1
|
|
#define HCI_USB_TX_WAKEUP 2
|