1 files changed, 87 insertions, 0 deletions

diff --git a/drivers/hid/usbhid/usbhid.h b/drivers/hid/usbhid/usbhid.h
new file mode 100644
index 000000000000..0023f96d4294
--- /dev/null
+++ b/drivers/hid/usbhid/usbhid.h
@@ -0,0 +1,87 @@
+#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 */
+
+};
+
+#define hid_to_usb_dev(hid_dev) \
+        container_of(hid_dev->dev->parent, struct usb_device, dev)
+
+#endif
+