USB: gadget: add HID gadget driver
g_hid is a USB gadget driver implementing the Human Interface Device class
specification. The driver handles basic HID protocol handling in the
kernel, and allows userspace to read/write HID reports trough /dev/hidgX
character devices.
Signed-off-by: Fabien Chouteau <fabien.chouteau@barco.com>
Signed-off-by: Peter Korsgaard <peter.korsgaard@barco.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/include/linux/usb/g_hid.h b/include/linux/usb/g_hid.h
new file mode 100644
index 0000000..50f5745
--- /dev/null
+++ b/include/linux/usb/g_hid.h
@@ -0,0 +1,32 @@
+/*
+ * g_hid.h -- Header file for USB HID gadget driver
+ *
+ * Copyright (C) 2010 Fabien Chouteau <fabien.chouteau@barco.com>
+ *
+ * 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
+ */
+
+#ifndef __LINUX_USB_G_HID_H
+#define __LINUX_USB_G_HID_H
+
+struct hidg_func_descriptor {
+ unsigned char subclass;
+ unsigned char protocol;
+ unsigned short report_length;
+ unsigned short report_desc_length;
+ unsigned char report_desc[];
+};
+
+#endif /* __LINUX_USB_G_HID_H */