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- #ifndef __USBHID_H
- #define __USBHID_H
- /*
- * Copyright (c) 1999 Andreas Gal
- * Copyright (c) 2000-2001 Vojtech Pavlik
- * Copyright (c) 2006 Jiri Kosina
- */
- /*
- * 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/types.h>
- #include <linux/slab.h>
- #include <linux/list.h>
- #include <linux/mutex.h>
- #include <linux/timer.h>
- #include <linux/wait.h>
- #include <linux/workqueue.h>
- #include <linux/input.h>
- /* API provided by hid-core.c for USB HID drivers */
- void usbhid_close(struct hid_device *hid);
- int usbhid_open(struct hid_device *hid);
- void usbhid_init_reports(struct hid_device *hid);
- int usbhid_get_power(struct hid_device *hid);
- void usbhid_put_power(struct hid_device *hid);
- struct usb_interface *usbhid_find_interface(int minor);
- /* iofl flags */
- #define HID_CTRL_RUNNING 1
- #define HID_OUT_RUNNING 2
- #define HID_IN_RUNNING 3
- #define HID_RESET_PENDING 4
- #define HID_SUSPENDED 5
- #define HID_CLEAR_HALT 6
- #define HID_DISCONNECTED 7
- #define HID_STARTED 8
- #define HID_KEYS_PRESSED 10
- #define HID_NO_BANDWIDTH 11
- #define HID_RESUME_RUNNING 12
- /*
- * USB-specific HID struct, to be pointed to
- * from struct hid_device->driver_data
- */
- struct usbhid_device {
- struct hid_device *hid; /* pointer to corresponding HID dev */
- struct usb_interface *intf; /* USB interface */
- int ifnum; /* USB interface number */
- unsigned int bufsize; /* URB buffer size */
- struct urb *urbin; /* Input URB */
- char *inbuf; /* Input buffer */
- dma_addr_t inbuf_dma; /* Input buffer dma */
- struct urb *urbctrl; /* Control URB */
- struct usb_ctrlrequest *cr; /* Control request struct */
- struct hid_control_fifo ctrl[HID_CONTROL_FIFO_SIZE]; /* Control fifo */
- unsigned char ctrlhead, ctrltail; /* Control fifo head & tail */
- char *ctrlbuf; /* Control buffer */
- dma_addr_t ctrlbuf_dma; /* Control buffer dma */
- unsigned long last_ctrl; /* record of last output for timeouts */
- struct urb *urbout; /* Output URB */
- struct hid_output_fifo out[HID_CONTROL_FIFO_SIZE]; /* Output pipe fifo */
- unsigned char outhead, outtail; /* Output pipe fifo head & tail */
- char *outbuf; /* Output buffer */
- dma_addr_t outbuf_dma; /* Output buffer dma */
- unsigned long last_out; /* record of last output for timeouts */
- spinlock_t lock; /* fifo spinlock */
- unsigned long iofl; /* I/O flags (CTRL_RUNNING, OUT_RUNNING) */
- struct timer_list io_retry; /* Retry timer */
- unsigned long stop_retry; /* Time to give up, in jiffies */
- unsigned int retry_delay; /* Delay length in ms */
- struct work_struct reset_work; /* Task context for resets */
- wait_queue_head_t wait; /* For sleeping */
- };
- #define hid_to_usb_dev(hid_dev) \
- to_usb_device(hid_dev->dev.parent->parent)
- #endif
|
