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4916b3a5 JK |
1 | #ifndef __USBHID_H |
2 | #define __USBHID_H | |
3 | ||
4 | /* | |
5 | * Copyright (c) 1999 Andreas Gal | |
6 | * Copyright (c) 2000-2001 Vojtech Pavlik | |
7 | * Copyright (c) 2006 Jiri Kosina | |
8 | */ | |
9 | ||
10 | /* | |
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. | |
15 | * | |
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. | |
20 | * | |
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 | |
24 | * | |
25 | */ | |
26 | ||
27 | #include <linux/types.h> | |
28 | #include <linux/slab.h> | |
29 | #include <linux/list.h> | |
30 | #include <linux/timer.h> | |
31 | #include <linux/workqueue.h> | |
32 | #include <linux/input.h> | |
33 | ||
34 | /* API provided by hid-core.c for USB HID drivers */ | |
35 | int usbhid_wait_io(struct hid_device* hid); | |
36 | void usbhid_close(struct hid_device *hid); | |
37 | int usbhid_open(struct hid_device *hid); | |
38 | void usbhid_init_reports(struct hid_device *hid); | |
39 | void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir); | |
40 | ||
41 | /* | |
42 | * USB-specific HID struct, to be pointed to | |
43 | * from struct hid_device->driver_data | |
44 | */ | |
45 | ||
46 | struct usbhid_device { | |
47 | struct hid_device *hid; /* pointer to corresponding HID dev */ | |
48 | ||
49 | struct usb_interface *intf; /* USB interface */ | |
50 | int ifnum; /* USB interface number */ | |
51 | ||
52 | unsigned int bufsize; /* URB buffer size */ | |
53 | ||
54 | struct urb *urbin; /* Input URB */ | |
55 | char *inbuf; /* Input buffer */ | |
56 | dma_addr_t inbuf_dma; /* Input buffer dma */ | |
57 | spinlock_t inlock; /* Input fifo spinlock */ | |
58 | ||
59 | struct urb *urbctrl; /* Control URB */ | |
60 | struct usb_ctrlrequest *cr; /* Control request struct */ | |
61 | dma_addr_t cr_dma; /* Control request struct dma */ | |
62 | struct hid_control_fifo ctrl[HID_CONTROL_FIFO_SIZE]; /* Control fifo */ | |
63 | unsigned char ctrlhead, ctrltail; /* Control fifo head & tail */ | |
64 | char *ctrlbuf; /* Control buffer */ | |
65 | dma_addr_t ctrlbuf_dma; /* Control buffer dma */ | |
66 | spinlock_t ctrllock; /* Control fifo spinlock */ | |
67 | ||
68 | struct urb *urbout; /* Output URB */ | |
69 | struct hid_report *out[HID_CONTROL_FIFO_SIZE]; /* Output pipe fifo */ | |
70 | unsigned char outhead, outtail; /* Output pipe fifo head & tail */ | |
71 | char *outbuf; /* Output buffer */ | |
72 | dma_addr_t outbuf_dma; /* Output buffer dma */ | |
73 | spinlock_t outlock; /* Output fifo spinlock */ | |
74 | ||
75 | unsigned long iofl; /* I/O flags (CTRL_RUNNING, OUT_RUNNING) */ | |
76 | struct timer_list io_retry; /* Retry timer */ | |
77 | unsigned long stop_retry; /* Time to give up, in jiffies */ | |
78 | unsigned int retry_delay; /* Delay length in ms */ | |
79 | struct work_struct reset_work; /* Task context for resets */ | |
80 | ||
81 | }; | |
82 | ||
be820975 AH |
83 | #define hid_to_usb_dev(hid_dev) \ |
84 | container_of(hid_dev->dev->parent, struct usb_device, dev) | |
85 | ||
4916b3a5 JK |
86 | #endif |
87 |