| #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/timer.h> |
| #include <linux/workqueue.h> |
| #include <linux/input.h> |
| |
| /* API provided by hid-core.c for USB HID drivers */ |
| int usbhid_wait_io(struct hid_device* hid); |
| void usbhid_close(struct hid_device *hid); |
| int usbhid_open(struct hid_device *hid); |
| void usbhid_init_reports(struct hid_device *hid); |
| void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir); |
| |
| /* |
| * 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 */ |
| spinlock_t inlock; /* Input fifo spinlock */ |
| |
| struct urb *urbctrl; /* Control URB */ |
| struct usb_ctrlrequest *cr; /* Control request struct */ |
| dma_addr_t cr_dma; /* Control request struct dma */ |
| 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 */ |
| spinlock_t ctrllock; /* Control fifo spinlock */ |
| |
| struct urb *urbout; /* Output URB */ |
| struct hid_report *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 */ |
| spinlock_t outlock; /* Output 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 */ |
| |
| }; |
| |
| #endif |
| |