#ifndef __HID_H#define __HID_H/* * $Id: hid.h,v 1.24 2001/12/27 10:37:41 vojtech Exp $ * *  Copyright (c) 1999 Andreas Gal *  Copyright (c) 2000-2001 Vojtech Pavlik *//* * 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 * * Should you need to contact me, the author, you can do so either by * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic */#include <linux/types.h>#include <linux/slab.h>#include <linux/list.h>/* * USB HID (Human Interface Device) interface class code */#define USB_INTERFACE_CLASS_HID		3/* * HID class requests */#define HID_REQ_GET_REPORT		0x01#define HID_REQ_GET_IDLE		0x02#define HID_REQ_GET_PROTOCOL		0x03#define HID_REQ_SET_REPORT		0x09#define HID_REQ_SET_IDLE		0x0A#define HID_REQ_SET_PROTOCOL		0x0B/* * HID class descriptor types */#define HID_DT_HID			(USB_TYPE_CLASS | 0x01)#define HID_DT_REPORT			(USB_TYPE_CLASS | 0x02)#define HID_DT_PHYSICAL			(USB_TYPE_CLASS | 0x03)/* * We parse each description item into this structure. Short items data * values are expanded to 32-bit signed int, long items contain a pointer * into the data area. */struct hid_item {	unsigned  format;	__u8      size;	__u8      type;	__u8      tag;	union {	    __u8   u8;	    __s8   s8;	    __u16  u16;	    __s16  s16;	    __u32  u32;	    __s32  s32;	    __u8  *longdata;	} data;};/* * HID report item format */#define HID_ITEM_FORMAT_SHORT	0#define HID_ITEM_FORMAT_LONG	1/* * Special tag indicating long items */#define HID_ITEM_TAG_LONG	15/* * HID report descriptor item type (prefix bit 2,3) */#define HID_ITEM_TYPE_MAIN		0#define HID_ITEM_TYPE_GLOBAL		1#define HID_ITEM_TYPE_LOCAL		2#define HID_ITEM_TYPE_RESERVED		3/* * HID report descriptor main item tags */#define HID_MAIN_ITEM_TAG_INPUT			8#define HID_MAIN_ITEM_TAG_OUTPUT		9#define HID_MAIN_ITEM_TAG_FEATURE		11#define HID_MAIN_ITEM_TAG_BEGIN_COLLECTION	10#define HID_MAIN_ITEM_TAG_END_COLLECTION	12/* * HID report descriptor main item contents */#define HID_MAIN_ITEM_CONSTANT		0x001#define HID_MAIN_ITEM_VARIABLE		0x002#define HID_MAIN_ITEM_RELATIVE		0x004#define HID_MAIN_ITEM_WRAP		0x008#define HID_MAIN_ITEM_NONLINEAR		0x010#define HID_MAIN_ITEM_NO_PREFERRED	0x020#define HID_MAIN_ITEM_NULL_STATE	0x040#define HID_MAIN_ITEM_VOLATILE		0x080#define HID_MAIN_ITEM_BUFFERED_BYTE	0x100/* * HID report descriptor collection item types */#define HID_COLLECTION_PHYSICAL		0#define HID_COLLECTION_APPLICATION	1#define HID_COLLECTION_LOGICAL		2/* * HID report descriptor global item tags */#define HID_GLOBAL_ITEM_TAG_USAGE_PAGE		0#define HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM	1#define HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM	2#define HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM	3#define HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM	4#define HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT	5#define HID_GLOBAL_ITEM_TAG_UNIT		6#define HID_GLOBAL_ITEM_TAG_REPORT_SIZE		7#define HID_GLOBAL_ITEM_TAG_REPORT_ID		8#define HID_GLOBAL_ITEM_TAG_REPORT_COUNT	9#define HID_GLOBAL_ITEM_TAG_PUSH		10#define HID_GLOBAL_ITEM_TAG_POP			11/* * HID report descriptor local item tags */#define HID_LOCAL_ITEM_TAG_USAGE		0#define HID_LOCAL_ITEM_TAG_USAGE_MINIMUM	1#define HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM	2#define HID_LOCAL_ITEM_TAG_DESIGNATOR_INDEX	3#define HID_LOCAL_ITEM_TAG_DESIGNATOR_MINIMUM	4#define HID_LOCAL_ITEM_TAG_DESIGNATOR_MAXIMUM	5#define HID_LOCAL_ITEM_TAG_STRING_INDEX		7#define HID_LOCAL_ITEM_TAG_STRING_MINIMUM	8#define HID_LOCAL_ITEM_TAG_STRING_MAXIMUM	9#define HID_LOCAL_ITEM_TAG_DELIMITER		10/* * HID usage tables */#define HID_USAGE_PAGE		0xffff0000#define HID_UP_UNDEFINED	0x00000000#define HID_UP_GENDESK		0x00010000#define HID_UP_SIMULATION	0x00020000#define HID_UP_KEYBOARD		0x00070000#define HID_UP_LED		0x00080000#define HID_UP_BUTTON		0x00090000#define HID_UP_ORDINAL		0x000a0000#define HID_UP_CONSUMER		0x000c0000#define HID_UP_DIGITIZER	0x000d0000#define HID_UP_PID		0x000f0000#define HID_UP_HPVENDOR         0xff7f0000#define HID_UP_MSVENDOR		0xff000000#define HID_UP_CUSTOM		0x00ff0000#define HID_UP_LOGIVENDOR	0xffbc0000#define HID_USAGE		0x0000ffff#define HID_GD_POINTER		0x00010001#define HID_GD_MOUSE		0x00010002#define HID_GD_JOYSTICK		0x00010004#define HID_GD_GAMEPAD		0x00010005#define HID_GD_KEYBOARD		0x00010006#define HID_GD_KEYPAD		0x00010007#define HID_GD_MULTIAXIS	0x00010008#define HID_GD_X		0x00010030#define HID_GD_Y		0x00010031#define HID_GD_Z		0x00010032#define HID_GD_RX		0x00010033#define HID_GD_RY		0x00010034#define HID_GD_RZ		0x00010035#define HID_GD_SLIDER		0x00010036#define HID_GD_DIAL		0x00010037#define HID_GD_WHEEL		0x00010038#define HID_GD_HATSWITCH	0x00010039#define HID_GD_BUFFER		0x0001003a#define HID_GD_BYTECOUNT	0x0001003b#define HID_GD_MOTION		0x0001003c#define HID_GD_START		0x0001003d#define HID_GD_SELECT		0x0001003e#define HID_GD_VX		0x00010040#define HID_GD_VY		0x00010041#define HID_GD_VZ		0x00010042#define HID_GD_VBRX		0x00010043#define HID_GD_VBRY		0x00010044#define HID_GD_VBRZ		0x00010045#define HID_GD_VNO		0x00010046#define HID_GD_FEATURE		0x00010047#define HID_GD_UP		0x00010090#define HID_GD_DOWN		0x00010091#define HID_GD_RIGHT		0x00010092#define HID_GD_LEFT		0x00010093/* * HID report types --- Ouch! HID spec says 1 2 3! */#define HID_INPUT_REPORT	0#define HID_OUTPUT_REPORT	1#define HID_FEATURE_REPORT	2/* * HID device quirks. */#define HID_QUIRK_INVERT			0x00000001#define HID_QUIRK_NOTOUCH			0x00000002#define HID_QUIRK_IGNORE			0x00000004#define HID_QUIRK_NOGET				0x00000008#define HID_QUIRK_HIDDEV			0x00000010#define HID_QUIRK_BADPAD			0x00000020#define HID_QUIRK_MULTI_INPUT			0x00000040#define HID_QUIRK_2WHEEL_MOUSE_HACK_7		0x00000080#define HID_QUIRK_2WHEEL_MOUSE_HACK_5		0x00000100#define HID_QUIRK_2WHEEL_MOUSE_HACK_ON		0x00000200#define HID_QUIRK_2WHEEL_POWERMOUSE		0x00000400#define HID_QUIRK_CYMOTION			0x00000800#define HID_QUIRK_POWERBOOK_HAS_FN		0x00001000#define HID_QUIRK_POWERBOOK_FN_ON		0x00002000/* * This is the global environment of the parser. This information is * persistent for main-items. The global environment can be saved and * restored with PUSH/POP statements. */struct hid_global {	unsigned usage_page;	__s32    logical_minimum;	__s32    logical_maximum;	__s32    physical_minimum;