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USB: gadget: add HID gadget driver

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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>
This commit is contained in:
Fabien Chouteau
2010-04-08 09:31:15 +02:00
committed by Greg Kroah-Hartman
parent e49bbce133
commit 71adf11894
6 changed files with 1451 additions and 0 deletions
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32
include/linux/usb/g_hid.h Normal file
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/*
* 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 */