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f8dea7a3d4
This patch removes CVS keywords that weren't updated for a long time from comments. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
581 lines
17 KiB
C
581 lines
17 KiB
C
#ifndef __HID_H
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#define __HID_H
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/*
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* Copyright (c) 1999 Andreas Gal
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* Copyright (c) 2000-2001 Vojtech Pavlik
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* Copyright (c) 2006-2007 Jiri Kosina
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*/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Should you need to contact me, the author, you can do so either by
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* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
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* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
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*/
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/*
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* USB HID (Human Interface Device) interface class code
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*/
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#define USB_INTERFACE_CLASS_HID 3
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/*
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* USB HID interface subclass and protocol codes
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*/
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#define USB_INTERFACE_SUBCLASS_BOOT 1
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#define USB_INTERFACE_PROTOCOL_KEYBOARD 1
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#define USB_INTERFACE_PROTOCOL_MOUSE 2
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/*
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* HID class requests
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*/
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#define HID_REQ_GET_REPORT 0x01
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#define HID_REQ_GET_IDLE 0x02
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#define HID_REQ_GET_PROTOCOL 0x03
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#define HID_REQ_SET_REPORT 0x09
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#define HID_REQ_SET_IDLE 0x0A
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#define HID_REQ_SET_PROTOCOL 0x0B
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/*
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* HID class descriptor types
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*/
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#define HID_DT_HID (USB_TYPE_CLASS | 0x01)
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#define HID_DT_REPORT (USB_TYPE_CLASS | 0x02)
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#define HID_DT_PHYSICAL (USB_TYPE_CLASS | 0x03)
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#define HID_MAX_DESCRIPTOR_SIZE 4096
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#ifdef __KERNEL__
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#include <linux/types.h>
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#include <linux/slab.h>
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#include <linux/list.h>
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#include <linux/timer.h>
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#include <linux/workqueue.h>
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#include <linux/input.h>
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/*
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* We parse each description item into this structure. Short items data
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* values are expanded to 32-bit signed int, long items contain a pointer
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* into the data area.
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*/
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struct hid_item {
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unsigned format;
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__u8 size;
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__u8 type;
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__u8 tag;
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union {
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__u8 u8;
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__s8 s8;
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__u16 u16;
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__s16 s16;
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__u32 u32;
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__s32 s32;
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__u8 *longdata;
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} data;
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};
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/*
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* HID report item format
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*/
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#define HID_ITEM_FORMAT_SHORT 0
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#define HID_ITEM_FORMAT_LONG 1
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/*
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* Special tag indicating long items
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*/
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#define HID_ITEM_TAG_LONG 15
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/*
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* HID report descriptor item type (prefix bit 2,3)
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*/
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#define HID_ITEM_TYPE_MAIN 0
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#define HID_ITEM_TYPE_GLOBAL 1
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#define HID_ITEM_TYPE_LOCAL 2
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#define HID_ITEM_TYPE_RESERVED 3
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/*
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* HID report descriptor main item tags
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*/
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#define HID_MAIN_ITEM_TAG_INPUT 8
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#define HID_MAIN_ITEM_TAG_OUTPUT 9
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#define HID_MAIN_ITEM_TAG_FEATURE 11
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#define HID_MAIN_ITEM_TAG_BEGIN_COLLECTION 10
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#define HID_MAIN_ITEM_TAG_END_COLLECTION 12
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/*
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* HID report descriptor main item contents
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*/
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#define HID_MAIN_ITEM_CONSTANT 0x001
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#define HID_MAIN_ITEM_VARIABLE 0x002
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#define HID_MAIN_ITEM_RELATIVE 0x004
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#define HID_MAIN_ITEM_WRAP 0x008
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#define HID_MAIN_ITEM_NONLINEAR 0x010
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#define HID_MAIN_ITEM_NO_PREFERRED 0x020
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#define HID_MAIN_ITEM_NULL_STATE 0x040
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#define HID_MAIN_ITEM_VOLATILE 0x080
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#define HID_MAIN_ITEM_BUFFERED_BYTE 0x100
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/*
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* HID report descriptor collection item types
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*/
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#define HID_COLLECTION_PHYSICAL 0
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#define HID_COLLECTION_APPLICATION 1
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#define HID_COLLECTION_LOGICAL 2
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/*
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* HID report descriptor global item tags
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*/
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#define HID_GLOBAL_ITEM_TAG_USAGE_PAGE 0
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#define HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM 1
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#define HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM 2
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#define HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM 3
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#define HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM 4
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#define HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT 5
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#define HID_GLOBAL_ITEM_TAG_UNIT 6
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#define HID_GLOBAL_ITEM_TAG_REPORT_SIZE 7
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#define HID_GLOBAL_ITEM_TAG_REPORT_ID 8
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#define HID_GLOBAL_ITEM_TAG_REPORT_COUNT 9
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#define HID_GLOBAL_ITEM_TAG_PUSH 10
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#define HID_GLOBAL_ITEM_TAG_POP 11
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/*
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* HID report descriptor local item tags
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*/
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#define HID_LOCAL_ITEM_TAG_USAGE 0
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#define HID_LOCAL_ITEM_TAG_USAGE_MINIMUM 1
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#define HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM 2
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#define HID_LOCAL_ITEM_TAG_DESIGNATOR_INDEX 3
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#define HID_LOCAL_ITEM_TAG_DESIGNATOR_MINIMUM 4
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#define HID_LOCAL_ITEM_TAG_DESIGNATOR_MAXIMUM 5
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#define HID_LOCAL_ITEM_TAG_STRING_INDEX 7
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#define HID_LOCAL_ITEM_TAG_STRING_MINIMUM 8
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#define HID_LOCAL_ITEM_TAG_STRING_MAXIMUM 9
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#define HID_LOCAL_ITEM_TAG_DELIMITER 10
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/*
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* HID usage tables
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*/
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#define HID_USAGE_PAGE 0xffff0000
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#define HID_UP_UNDEFINED 0x00000000
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#define HID_UP_GENDESK 0x00010000
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#define HID_UP_SIMULATION 0x00020000
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#define HID_UP_KEYBOARD 0x00070000
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#define HID_UP_LED 0x00080000
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#define HID_UP_BUTTON 0x00090000
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#define HID_UP_ORDINAL 0x000a0000
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#define HID_UP_CONSUMER 0x000c0000
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#define HID_UP_DIGITIZER 0x000d0000
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#define HID_UP_PID 0x000f0000
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#define HID_UP_HPVENDOR 0xff7f0000
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#define HID_UP_MSVENDOR 0xff000000
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#define HID_UP_CUSTOM 0x00ff0000
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#define HID_UP_LOGIVENDOR 0xffbc0000
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#define HID_USAGE 0x0000ffff
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#define HID_GD_POINTER 0x00010001
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#define HID_GD_MOUSE 0x00010002
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#define HID_GD_JOYSTICK 0x00010004
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#define HID_GD_GAMEPAD 0x00010005
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#define HID_GD_KEYBOARD 0x00010006
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#define HID_GD_KEYPAD 0x00010007
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#define HID_GD_MULTIAXIS 0x00010008
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#define HID_GD_X 0x00010030
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#define HID_GD_Y 0x00010031
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#define HID_GD_Z 0x00010032
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#define HID_GD_RX 0x00010033
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#define HID_GD_RY 0x00010034
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#define HID_GD_RZ 0x00010035
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#define HID_GD_SLIDER 0x00010036
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#define HID_GD_DIAL 0x00010037
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#define HID_GD_WHEEL 0x00010038
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#define HID_GD_HATSWITCH 0x00010039
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#define HID_GD_BUFFER 0x0001003a
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#define HID_GD_BYTECOUNT 0x0001003b
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#define HID_GD_MOTION 0x0001003c
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#define HID_GD_START 0x0001003d
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#define HID_GD_SELECT 0x0001003e
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#define HID_GD_VX 0x00010040
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#define HID_GD_VY 0x00010041
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#define HID_GD_VZ 0x00010042
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#define HID_GD_VBRX 0x00010043
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#define HID_GD_VBRY 0x00010044
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#define HID_GD_VBRZ 0x00010045
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#define HID_GD_VNO 0x00010046
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#define HID_GD_FEATURE 0x00010047
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#define HID_GD_UP 0x00010090
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#define HID_GD_DOWN 0x00010091
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#define HID_GD_RIGHT 0x00010092
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#define HID_GD_LEFT 0x00010093
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/*
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* HID report types --- Ouch! HID spec says 1 2 3!
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*/
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#define HID_INPUT_REPORT 0
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#define HID_OUTPUT_REPORT 1
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#define HID_FEATURE_REPORT 2
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/*
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* HID device quirks.
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*/
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/*
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* Increase this if you need to configure more HID quirks at module load time
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*/
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#define MAX_USBHID_BOOT_QUIRKS 4
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#define HID_QUIRK_INVERT 0x00000001
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#define HID_QUIRK_NOTOUCH 0x00000002
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#define HID_QUIRK_IGNORE 0x00000004
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#define HID_QUIRK_NOGET 0x00000008
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#define HID_QUIRK_HIDDEV 0x00000010
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#define HID_QUIRK_BADPAD 0x00000020
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#define HID_QUIRK_MULTI_INPUT 0x00000040
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#define HID_QUIRK_2WHEEL_MOUSE_HACK_7 0x00000080
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#define HID_QUIRK_2WHEEL_MOUSE_HACK_5 0x00000100
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#define HID_QUIRK_2WHEEL_MOUSE_HACK_ON 0x00000200
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#define HID_QUIRK_MIGHTYMOUSE 0x00000400
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#define HID_QUIRK_APPLE_HAS_FN 0x00000800
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#define HID_QUIRK_APPLE_FN_ON 0x00001000
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#define HID_QUIRK_INVERT_HWHEEL 0x00002000
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#define HID_QUIRK_APPLE_ISO_KEYBOARD 0x00004000
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#define HID_QUIRK_BAD_RELATIVE_KEYS 0x00008000
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#define HID_QUIRK_SKIP_OUTPUT_REPORTS 0x00010000
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#define HID_QUIRK_IGNORE_MOUSE 0x00020000
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#define HID_QUIRK_SONY_PS3_CONTROLLER 0x00040000
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#define HID_QUIRK_DUPLICATE_USAGES 0x00080000
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#define HID_QUIRK_RESET_LEDS 0x00100000
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#define HID_QUIRK_HIDINPUT 0x00200000
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#define HID_QUIRK_LOGITECH_IGNORE_DOUBLED_WHEEL 0x00400000
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#define HID_QUIRK_LOGITECH_EXPANDED_KEYMAP 0x00800000
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#define HID_QUIRK_IGNORE_HIDINPUT 0x01000000
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#define HID_QUIRK_2WHEEL_MOUSE_HACK_B8 0x02000000
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#define HID_QUIRK_HWHEEL_WHEEL_INVERT 0x04000000
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#define HID_QUIRK_MICROSOFT_KEYS 0x08000000
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#define HID_QUIRK_FULLSPEED_INTERVAL 0x10000000
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#define HID_QUIRK_APPLE_NUMLOCK_EMULATION 0x20000000
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/*
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* Separate quirks for runtime report descriptor fixup
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*/
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#define HID_QUIRK_RDESC_CYMOTION 0x00000001
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#define HID_QUIRK_RDESC_LOGITECH 0x00000002
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#define HID_QUIRK_RDESC_SWAPPED_MIN_MAX 0x00000004
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#define HID_QUIRK_RDESC_PETALYNX 0x00000008
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#define HID_QUIRK_RDESC_MACBOOK_JIS 0x00000010
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#define HID_QUIRK_RDESC_BUTTON_CONSUMER 0x00000020
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#define HID_QUIRK_RDESC_SAMSUNG_REMOTE 0x00000040
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#define HID_QUIRK_RDESC_MICROSOFT_RECV_1028 0x00000080
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#define HID_QUIRK_RDESC_SUNPLUS_WDESKTOP 0x00000100
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/*
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* This is the global environment of the parser. This information is
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* persistent for main-items. The global environment can be saved and
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* restored with PUSH/POP statements.
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*/
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struct hid_global {
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unsigned usage_page;
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__s32 logical_minimum;
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__s32 logical_maximum;
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__s32 physical_minimum;
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__s32 physical_maximum;
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__s32 unit_exponent;
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unsigned unit;
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unsigned report_id;
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unsigned report_size;
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unsigned report_count;
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};
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/*
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* This is the local environment. It is persistent up the next main-item.
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*/
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#define HID_MAX_USAGES 12288
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#define HID_DEFAULT_NUM_COLLECTIONS 16
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struct hid_local {
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unsigned usage[HID_MAX_USAGES]; /* usage array */
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unsigned collection_index[HID_MAX_USAGES]; /* collection index array */
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unsigned usage_index;
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unsigned usage_minimum;
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unsigned delimiter_depth;
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unsigned delimiter_branch;
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};
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/*
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* This is the collection stack. We climb up the stack to determine
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* application and function of each field.
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*/
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struct hid_collection {
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unsigned type;
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unsigned usage;
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unsigned level;
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};
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struct hid_usage {
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unsigned hid; /* hid usage code */
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unsigned collection_index; /* index into collection array */
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/* hidinput data */
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__u16 code; /* input driver code */
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__u8 type; /* input driver type */
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__s8 hat_min; /* hat switch fun */
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__s8 hat_max; /* ditto */
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__s8 hat_dir; /* ditto */
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};
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struct hid_input;
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struct hid_field {
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unsigned physical; /* physical usage for this field */
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unsigned logical; /* logical usage for this field */
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unsigned application; /* application usage for this field */
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struct hid_usage *usage; /* usage table for this function */
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unsigned maxusage; /* maximum usage index */
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unsigned flags; /* main-item flags (i.e. volatile,array,constant) */
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unsigned report_offset; /* bit offset in the report */
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unsigned report_size; /* size of this field in the report */
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unsigned report_count; /* number of this field in the report */
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unsigned report_type; /* (input,output,feature) */
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__s32 *value; /* last known value(s) */
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__s32 logical_minimum;
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__s32 logical_maximum;
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__s32 physical_minimum;
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__s32 physical_maximum;
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__s32 unit_exponent;
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unsigned unit;
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struct hid_report *report; /* associated report */
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unsigned index; /* index into report->field[] */
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/* hidinput data */
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struct hid_input *hidinput; /* associated input structure */
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__u16 dpad; /* dpad input code */
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};
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#define HID_MAX_FIELDS 64
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struct hid_report {
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struct list_head list;
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unsigned id; /* id of this report */
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unsigned type; /* report type */
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struct hid_field *field[HID_MAX_FIELDS]; /* fields of the report */
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unsigned maxfield; /* maximum valid field index */
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unsigned size; /* size of the report (bits) */
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struct hid_device *device; /* associated device */
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};
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struct hid_report_enum {
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unsigned numbered;
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struct list_head report_list;
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struct hid_report *report_id_hash[256];
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};
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#define HID_REPORT_TYPES 3
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#define HID_MIN_BUFFER_SIZE 64 /* make sure there is at least a packet size of space */
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#define HID_MAX_BUFFER_SIZE 4096 /* 4kb */
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#define HID_CONTROL_FIFO_SIZE 256 /* to init devices with >100 reports */
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#define HID_OUTPUT_FIFO_SIZE 64
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struct hid_control_fifo {
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unsigned char dir;
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struct hid_report *report;
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};
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#define HID_CLAIMED_INPUT 1
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#define HID_CLAIMED_HIDDEV 2
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#define HID_CLAIMED_HIDRAW 4
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#define HID_CTRL_RUNNING 1
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#define HID_OUT_RUNNING 2
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#define HID_IN_RUNNING 3
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#define HID_RESET_PENDING 4
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#define HID_SUSPENDED 5
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#define HID_CLEAR_HALT 6
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#define HID_DISCONNECTED 7
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struct hid_input {
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struct list_head list;
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struct hid_report *report;
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struct input_dev *input;
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};
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struct hid_device { /* device report descriptor */
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__u8 *rdesc;
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unsigned rsize;
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struct hid_collection *collection; /* List of HID collections */
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unsigned collection_size; /* Number of allocated hid_collections */
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unsigned maxcollection; /* Number of parsed collections */
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unsigned maxapplication; /* Number of applications */
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unsigned short bus; /* BUS ID */
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unsigned short vendor; /* Vendor ID */
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unsigned short product; /* Product ID */
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unsigned version; /* HID version */
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unsigned country; /* HID country */
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struct hid_report_enum report_enum[HID_REPORT_TYPES];
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struct device *dev; /* device */
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unsigned claimed; /* Claimed by hidinput, hiddev? */
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unsigned quirks; /* Various quirks the device can pull on us */
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struct list_head inputs; /* The list of inputs */
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void *hiddev; /* The hiddev structure */
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void *hidraw;
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int minor; /* Hiddev minor number */
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int open; /* is the device open by anyone? */
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char name[128]; /* Device name */
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char phys[64]; /* Device physical location */
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char uniq[64]; /* Device unique identifier (serial #) */
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void *driver_data;
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__s32 delayed_value; /* For A4 Tech mice hwheel quirk */
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/* device-specific function pointers */
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int (*hidinput_input_event) (struct input_dev *, unsigned int, unsigned int, int);
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int (*hid_open) (struct hid_device *);
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void (*hid_close) (struct hid_device *);
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/* hiddev event handler */
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void (*hiddev_hid_event) (struct hid_device *, struct hid_field *field,
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struct hid_usage *, __s32);
|
|
void (*hiddev_report_event) (struct hid_device *, struct hid_report *);
|
|
|
|
/* handler for raw output data, used by hidraw */
|
|
int (*hid_output_raw_report) (struct hid_device *, __u8 *, size_t);
|
|
#ifdef CONFIG_USB_HIDINPUT_POWERBOOK
|
|
unsigned long apple_pressed_fn[BITS_TO_LONGS(KEY_CNT)];
|
|
unsigned long pb_pressed_numlock[BITS_TO_LONGS(KEY_CNT)];
|
|
#endif
|
|
};
|
|
|
|
#define HID_GLOBAL_STACK_SIZE 4
|
|
#define HID_COLLECTION_STACK_SIZE 4
|
|
|
|
struct hid_parser {
|
|
struct hid_global global;
|
|
struct hid_global global_stack[HID_GLOBAL_STACK_SIZE];
|
|
unsigned global_stack_ptr;
|
|
struct hid_local local;
|
|
unsigned collection_stack[HID_COLLECTION_STACK_SIZE];
|
|
unsigned collection_stack_ptr;
|
|
struct hid_device *device;
|
|
};
|
|
|
|
struct hid_class_descriptor {
|
|
__u8 bDescriptorType;
|
|
__le16 wDescriptorLength;
|
|
} __attribute__ ((packed));
|
|
|
|
struct hid_descriptor {
|
|
__u8 bLength;
|
|
__u8 bDescriptorType;
|
|
__le16 bcdHID;
|
|
__u8 bCountryCode;
|
|
__u8 bNumDescriptors;
|
|
|
|
struct hid_class_descriptor desc[1];
|
|
} __attribute__ ((packed));
|
|
|
|
/* Applications from HID Usage Tables 4/8/99 Version 1.1 */
|
|
/* We ignore a few input applications that are not widely used */
|
|
#define IS_INPUT_APPLICATION(a) (((a >= 0x00010000) && (a <= 0x00010008)) || (a == 0x00010080) || (a == 0x000c0001))
|
|
|
|
/* HID core API */
|
|
|
|
#ifdef CONFIG_HID_DEBUG
|
|
extern int hid_debug;
|
|
#endif
|
|
|
|
extern void hidinput_hid_event(struct hid_device *, struct hid_field *, struct hid_usage *, __s32);
|
|
extern void hidinput_report_event(struct hid_device *hid, struct hid_report *report);
|
|
extern int hidinput_connect(struct hid_device *);
|
|
extern void hidinput_disconnect(struct hid_device *);
|
|
|
|
int hid_set_field(struct hid_field *, unsigned, __s32);
|
|
int hid_input_report(struct hid_device *, int type, u8 *, int, int);
|
|
int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field);
|
|
int hidinput_mapping_quirks(struct hid_usage *, struct input_dev *, unsigned long **, int *);
|
|
int hidinput_event_quirks(struct hid_device *, struct hid_field *, struct hid_usage *, __s32);
|
|
int hidinput_apple_event(struct hid_device *, struct input_dev *, struct hid_usage *, __s32);
|
|
void hid_output_report(struct hid_report *report, __u8 *data);
|
|
void hid_free_device(struct hid_device *device);
|
|
struct hid_device *hid_parse_report(__u8 *start, unsigned size);
|
|
|
|
/* HID quirks API */
|
|
u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct);
|
|
int usbhid_quirks_init(char **quirks_param);
|
|
void usbhid_quirks_exit(void);
|
|
void usbhid_fixup_report_descriptor(const u16, const u16, char *, unsigned, char **);
|
|
|
|
#ifdef CONFIG_HID_FF
|
|
int hid_ff_init(struct hid_device *hid);
|
|
|
|
int hid_lgff_init(struct hid_device *hid);
|
|
int hid_lg2ff_init(struct hid_device *hid);
|
|
int hid_plff_init(struct hid_device *hid);
|
|
int hid_tmff_init(struct hid_device *hid);
|
|
int hid_zpff_init(struct hid_device *hid);
|
|
#ifdef CONFIG_HID_PID
|
|
int hid_pidff_init(struct hid_device *hid);
|
|
#else
|
|
static inline int hid_pidff_init(struct hid_device *hid) { return -ENODEV; }
|
|
#endif
|
|
|
|
#else
|
|
static inline int hid_ff_init(struct hid_device *hid) { return -1; }
|
|
#endif
|
|
|
|
#ifdef CONFIG_HID_DEBUG
|
|
#define dbg_hid(format, arg...) if (hid_debug) \
|
|
printk(KERN_DEBUG "%s: " format ,\
|
|
__FILE__ , ## arg)
|
|
#define dbg_hid_line(format, arg...) if (hid_debug) \
|
|
printk(format, ## arg)
|
|
#else
|
|
static inline int __attribute__((format(printf, 1, 2)))
|
|
dbg_hid(const char *fmt, ...)
|
|
{
|
|
return 0;
|
|
}
|
|
#define dbg_hid_line dbg_hid
|
|
#endif
|
|
|
|
#define err_hid(format, arg...) printk(KERN_ERR "%s: " format "\n" , \
|
|
__FILE__ , ## arg)
|
|
#endif
|
|
#endif
|
|
|