PCI: add an option to allow ASPM enabled forcibly
[linux-2.6/next.git] / drivers / hid / usbhid / usbhid.h
blob62d2d7c925bd3d494c6dd4be8a3f6b66c4aa556c
1 #ifndef __USBHID_H
2 #define __USBHID_H
4 /*
5 * Copyright (c) 1999 Andreas Gal
6 * Copyright (c) 2000-2001 Vojtech Pavlik
7 * Copyright (c) 2006 Jiri Kosina
8 */
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #include <linux/types.h>
28 #include <linux/slab.h>
29 #include <linux/list.h>
30 #include <linux/timer.h>
31 #include <linux/wait.h>
32 #include <linux/workqueue.h>
33 #include <linux/input.h>
35 /* API provided by hid-core.c for USB HID drivers */
36 int usbhid_wait_io(struct hid_device* hid);
37 void usbhid_close(struct hid_device *hid);
38 int usbhid_open(struct hid_device *hid);
39 void usbhid_init_reports(struct hid_device *hid);
40 void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir);
43 * USB-specific HID struct, to be pointed to
44 * from struct hid_device->driver_data
47 struct usbhid_device {
48 struct hid_device *hid; /* pointer to corresponding HID dev */
50 struct usb_interface *intf; /* USB interface */
51 int ifnum; /* USB interface number */
53 unsigned int bufsize; /* URB buffer size */
55 struct urb *urbin; /* Input URB */
56 char *inbuf; /* Input buffer */
57 dma_addr_t inbuf_dma; /* Input buffer dma */
58 spinlock_t inlock; /* Input fifo spinlock */
60 struct urb *urbctrl; /* Control URB */
61 struct usb_ctrlrequest *cr; /* Control request struct */
62 dma_addr_t cr_dma; /* Control request struct dma */
63 struct hid_control_fifo ctrl[HID_CONTROL_FIFO_SIZE]; /* Control fifo */
64 unsigned char ctrlhead, ctrltail; /* Control fifo head & tail */
65 char *ctrlbuf; /* Control buffer */
66 dma_addr_t ctrlbuf_dma; /* Control buffer dma */
67 spinlock_t ctrllock; /* Control fifo spinlock */
69 struct urb *urbout; /* Output URB */
70 struct hid_report *out[HID_CONTROL_FIFO_SIZE]; /* Output pipe fifo */
71 unsigned char outhead, outtail; /* Output pipe fifo head & tail */
72 char *outbuf; /* Output buffer */
73 dma_addr_t outbuf_dma; /* Output buffer dma */
74 spinlock_t outlock; /* Output fifo spinlock */
76 unsigned long iofl; /* I/O flags (CTRL_RUNNING, OUT_RUNNING) */
77 struct timer_list io_retry; /* Retry timer */
78 unsigned long stop_retry; /* Time to give up, in jiffies */
79 unsigned int retry_delay; /* Delay length in ms */
80 struct work_struct reset_work; /* Task context for resets */
81 wait_queue_head_t wait; /* For sleeping */
84 #define hid_to_usb_dev(hid_dev) \
85 container_of(hid_dev->dev->parent, struct usb_device, dev)
87 #endif