Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1232 insertions, 0 deletions

diff --git a/include/linux/hid.h b/include/linux/hid.h
new file mode 100644
index 000000000..b688069b1
--- /dev/null
+++ b/include/linux/hid.h
@@ -0,0 +1,1232 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ *  Copyright (c) 1999 Andreas Gal
+ *  Copyright (c) 2000-2001 Vojtech Pavlik
+ *  Copyright (c) 2006-2007 Jiri Kosina
+ */
+/*
+ *
+ * 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
+ */
+#ifndef __HID_H
+#define __HID_H
+
+
+#include <linux/bitops.h>
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/list.h>
+#include <linux/mod_devicetable.h> /* hid_device_id */
+#include <linux/timer.h>
+#include <linux/workqueue.h>
+#include <linux/input.h>
+#include <linux/semaphore.h>
+#include <linux/mutex.h>
+#include <linux/power_supply.h>
+#include <uapi/linux/hid.h>
+
+/*
+ * 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
+#define HID_COLLECTION_NAMED_ARRAY	4
+
+/*
+ * 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_GENDEVCTRLS	0x00060000
+#define HID_UP_KEYBOARD		0x00070000
+#define HID_UP_LED		0x00080000
+#define HID_UP_BUTTON		0x00090000
+#define HID_UP_ORDINAL		0x000a0000
+#define HID_UP_TELEPHONY	0x000b0000
+#define HID_UP_CONSUMER		0x000c0000
+#define HID_UP_DIGITIZER	0x000d0000
+#define HID_UP_PID		0x000f0000
+#define HID_UP_BATTERY		0x00850000
+#define HID_UP_HPVENDOR         0xff7f0000
+#define HID_UP_HPVENDOR2        0xff010000
+#define HID_UP_MSVENDOR		0xff000000
+#define HID_UP_CUSTOM		0x00ff0000
+#define HID_UP_LOGIVENDOR	0xffbc0000
+#define HID_UP_LOGIVENDOR2   0xff090000
+#define HID_UP_LOGIVENDOR3   0xff430000
+#define HID_UP_LNVENDOR		0xffa00000
+#define HID_UP_SENSOR		0x00200000
+#define HID_UP_ASUSVENDOR	0xff310000
+#define HID_UP_GOOGLEVENDOR	0xffd10000
+
+#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
+/*
+ * Microsoft Win8 Wireless Radio Controls extensions CA, see:
+ * http://www.usb.org/developers/hidpage/HUTRR40RadioHIDUsagesFinal.pdf
+ */
+#define HID_GD_WIRELESS_RADIO_CTLS	0x0001000c
+/*
+ * System Multi-Axis, see:
+ * http://www.usb.org/developers/hidpage/HUTRR62_-_Generic_Desktop_CA_for_System_Multi-Axis_Controllers.txt
+ */
+#define HID_GD_SYSTEM_MULTIAXIS	0x0001000e
+
+#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_RESOLUTION_MULTIPLIER	0x00010048
+#define HID_GD_SYSTEM_CONTROL	0x00010080
+#define HID_GD_UP		0x00010090
+#define HID_GD_DOWN		0x00010091
+#define HID_GD_RIGHT		0x00010092
+#define HID_GD_LEFT		0x00010093
+/* Microsoft Win8 Wireless Radio Controls CA usage codes */
+#define HID_GD_RFKILL_BTN	0x000100c6
+#define HID_GD_RFKILL_LED	0x000100c7
+#define HID_GD_RFKILL_SWITCH	0x000100c8
+
+#define HID_DC_BATTERYSTRENGTH	0x00060020
+
+#define HID_CP_CONSUMER_CONTROL	0x000c0001
+#define HID_CP_AC_PAN		0x000c0238
+
+#define HID_DG_DIGITIZER	0x000d0001
+#define HID_DG_PEN		0x000d0002
+#define HID_DG_LIGHTPEN		0x000d0003
+#define HID_DG_TOUCHSCREEN	0x000d0004
+#define HID_DG_TOUCHPAD		0x000d0005
+#define HID_DG_WHITEBOARD	0x000d0006
+#define HID_DG_STYLUS		0x000d0020
+#define HID_DG_PUCK		0x000d0021
+#define HID_DG_FINGER		0x000d0022
+#define HID_DG_TIPPRESSURE	0x000d0030
+#define HID_DG_BARRELPRESSURE	0x000d0031
+#define HID_DG_INRANGE		0x000d0032
+#define HID_DG_TOUCH		0x000d0033
+#define HID_DG_UNTOUCH		0x000d0034
+#define HID_DG_TAP		0x000d0035
+#define HID_DG_TRANSDUCER_INDEX	0x000d0038
+#define HID_DG_TABLETFUNCTIONKEY	0x000d0039
+#define HID_DG_PROGRAMCHANGEKEY	0x000d003a
+#define HID_DG_BATTERYSTRENGTH	0x000d003b
+#define HID_DG_INVERT		0x000d003c
+#define HID_DG_TILT_X		0x000d003d
+#define HID_DG_TILT_Y		0x000d003e
+#define HID_DG_TWIST		0x000d0041
+#define HID_DG_TIPSWITCH	0x000d0042
+#define HID_DG_TIPSWITCH2	0x000d0043
+#define HID_DG_BARRELSWITCH	0x000d0044
+#define HID_DG_ERASER		0x000d0045
+#define HID_DG_TABLETPICK	0x000d0046
+#define HID_DG_PEN_COLOR			0x000d005c
+#define HID_DG_PEN_LINE_WIDTH			0x000d005e
+#define HID_DG_PEN_LINE_STYLE			0x000d0070
+#define HID_DG_PEN_LINE_STYLE_INK		0x000d0072
+#define HID_DG_PEN_LINE_STYLE_PENCIL		0x000d0073
+#define HID_DG_PEN_LINE_STYLE_HIGHLIGHTER	0x000d0074
+#define HID_DG_PEN_LINE_STYLE_CHISEL_MARKER	0x000d0075
+#define HID_DG_PEN_LINE_STYLE_BRUSH		0x000d0076
+#define HID_DG_PEN_LINE_STYLE_NO_PREFERENCE	0x000d0077
+
+#define HID_CP_CONSUMERCONTROL	0x000c0001
+#define HID_CP_NUMERICKEYPAD	0x000c0002
+#define HID_CP_PROGRAMMABLEBUTTONS	0x000c0003
+#define HID_CP_MICROPHONE	0x000c0004
+#define HID_CP_HEADPHONE	0x000c0005
+#define HID_CP_GRAPHICEQUALIZER	0x000c0006
+#define HID_CP_FUNCTIONBUTTONS	0x000c0036
+#define HID_CP_SELECTION	0x000c0080
+#define HID_CP_MEDIASELECTION	0x000c0087
+#define HID_CP_SELECTDISC	0x000c00ba
+#define HID_CP_VOLUMEUP		0x000c00e9
+#define HID_CP_VOLUMEDOWN	0x000c00ea
+#define HID_CP_PLAYBACKSPEED	0x000c00f1
+#define HID_CP_PROXIMITY	0x000c0109
+#define HID_CP_SPEAKERSYSTEM	0x000c0160
+#define HID_CP_CHANNELLEFT	0x000c0161
+#define HID_CP_CHANNELRIGHT	0x000c0162
+#define HID_CP_CHANNELCENTER	0x000c0163
+#define HID_CP_CHANNELFRONT	0x000c0164
+#define HID_CP_CHANNELCENTERFRONT	0x000c0165
+#define HID_CP_CHANNELSIDE	0x000c0166
+#define HID_CP_CHANNELSURROUND	0x000c0167
+#define HID_CP_CHANNELLOWFREQUENCYENHANCEMENT	0x000c0168
+#define HID_CP_CHANNELTOP	0x000c0169
+#define HID_CP_CHANNELUNKNOWN	0x000c016a
+#define HID_CP_APPLICATIONLAUNCHBUTTONS	0x000c0180
+#define HID_CP_GENERICGUIAPPLICATIONCONTROLS	0x000c0200
+
+#define HID_DG_DEVICECONFIG	0x000d000e
+#define HID_DG_DEVICESETTINGS	0x000d0023
+#define HID_DG_AZIMUTH		0x000d003f
+#define HID_DG_CONFIDENCE	0x000d0047
+#define HID_DG_WIDTH		0x000d0048
+#define HID_DG_HEIGHT		0x000d0049
+#define HID_DG_CONTACTID	0x000d0051
+#define HID_DG_INPUTMODE	0x000d0052
+#define HID_DG_DEVICEINDEX	0x000d0053
+#define HID_DG_CONTACTCOUNT	0x000d0054
+#define HID_DG_CONTACTMAX	0x000d0055
+#define HID_DG_SCANTIME		0x000d0056
+#define HID_DG_SURFACESWITCH	0x000d0057
+#define HID_DG_BUTTONSWITCH	0x000d0058
+#define HID_DG_BUTTONTYPE	0x000d0059
+#define HID_DG_BARRELSWITCH2	0x000d005a
+#define HID_DG_TOOLSERIALNUMBER	0x000d005b
+#define HID_DG_LATENCYMODE	0x000d0060
+
+#define HID_BAT_ABSOLUTESTATEOFCHARGE	0x00850065
+#define HID_BAT_CHARGING		0x00850044
+
+#define HID_VD_ASUS_CUSTOM_MEDIA_KEYS	0xff310076
+
+/*
+ * HID connect requests
+ */
+
+#define HID_CONNECT_HIDINPUT		BIT(0)
+#define HID_CONNECT_HIDINPUT_FORCE	BIT(1)
+#define HID_CONNECT_HIDRAW		BIT(2)
+#define HID_CONNECT_HIDDEV		BIT(3)
+#define HID_CONNECT_HIDDEV_FORCE	BIT(4)
+#define HID_CONNECT_FF			BIT(5)
+#define HID_CONNECT_DRIVER		BIT(6)
+#define HID_CONNECT_DEFAULT	(HID_CONNECT_HIDINPUT|HID_CONNECT_HIDRAW| \
+		HID_CONNECT_HIDDEV|HID_CONNECT_FF)
+
+/*
+ * HID device quirks.
+ */
+
+/*
+ * Increase this if you need to configure more HID quirks at module load time
+ */
+#define MAX_USBHID_BOOT_QUIRKS 4
+
+/* BIT(0) reserved for backward compatibility, was HID_QUIRK_INVERT */
+#define HID_QUIRK_NOTOUCH			BIT(1)
+#define HID_QUIRK_IGNORE			BIT(2)
+#define HID_QUIRK_NOGET				BIT(3)
+#define HID_QUIRK_HIDDEV_FORCE			BIT(4)
+#define HID_QUIRK_BADPAD			BIT(5)
+#define HID_QUIRK_MULTI_INPUT			BIT(6)
+#define HID_QUIRK_HIDINPUT_FORCE		BIT(7)
+/* BIT(8) reserved for backward compatibility, was HID_QUIRK_NO_EMPTY_INPUT */
+/* BIT(9) reserved for backward compatibility, was NO_INIT_INPUT_REPORTS */
+#define HID_QUIRK_ALWAYS_POLL			BIT(10)
+#define HID_QUIRK_INPUT_PER_APP			BIT(11)
+#define HID_QUIRK_X_INVERT			BIT(12)
+#define HID_QUIRK_Y_INVERT			BIT(13)
+#define HID_QUIRK_SKIP_OUTPUT_REPORTS		BIT(16)
+#define HID_QUIRK_SKIP_OUTPUT_REPORT_ID		BIT(17)
+#define HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP	BIT(18)
+#define HID_QUIRK_HAVE_SPECIAL_DRIVER		BIT(19)
+#define HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE	BIT(20)
+#define HID_QUIRK_NOINVERT			BIT(21)
+#define HID_QUIRK_FULLSPEED_INTERVAL		BIT(28)
+#define HID_QUIRK_NO_INIT_REPORTS		BIT(29)
+#define HID_QUIRK_NO_IGNORE			BIT(30)
+#define HID_QUIRK_NO_INPUT_SYNC			BIT(31)
+
+/*
+ * HID device groups
+ *
+ * Note: HID_GROUP_ANY is declared in linux/mod_devicetable.h
+ * and has a value of 0x0000
+ */
+#define HID_GROUP_GENERIC			0x0001
+#define HID_GROUP_MULTITOUCH			0x0002
+#define HID_GROUP_SENSOR_HUB			0x0003
+#define HID_GROUP_MULTITOUCH_WIN_8		0x0004
+
+/*
+ * Vendor specific HID device groups
+ */
+#define HID_GROUP_RMI				0x0100
+#define HID_GROUP_WACOM				0x0101
+#define HID_GROUP_LOGITECH_DJ_DEVICE		0x0102
+#define HID_GROUP_STEAM				0x0103
+#define HID_GROUP_LOGITECH_27MHZ_DEVICE		0x0104
+#define HID_GROUP_VIVALDI			0x0105
+
+/*
+ * HID protocol status
+ */
+#define HID_REPORT_PROTOCOL	1
+#define HID_BOOT_PROTOCOL	0
+
+/*
+ * 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;
+	__s32    physical_maximum;
+	__s32    unit_exponent;
+	unsigned unit;
+	unsigned report_id;
+	unsigned report_size;
+	unsigned report_count;
+};
+
+/*
+ * This is the local environment. It is persistent up the next main-item.
+ */
+
+#define HID_MAX_USAGES			12288
+#define HID_DEFAULT_NUM_COLLECTIONS	16
+
+struct hid_local {
+	unsigned usage[HID_MAX_USAGES]; /* usage array */
+	u8 usage_size[HID_MAX_USAGES]; /* usage size array */
+	unsigned collection_index[HID_MAX_USAGES]; /* collection index array */
+	unsigned usage_index;
+	unsigned usage_minimum;
+	unsigned delimiter_depth;
+	unsigned delimiter_branch;
+};
+
+/*
+ * This is the collection stack. We climb up the stack to determine
+ * application and function of each field.
+ */
+
+struct hid_collection {
+	int parent_idx; /* device->collection */
+	unsigned type;
+	unsigned usage;
+	unsigned level;
+};
+
+struct hid_usage {
+	unsigned  hid;			/* hid usage code */
+	unsigned  collection_index;	/* index into collection array */
+	unsigned  usage_index;		/* index into usage array */
+	__s8	  resolution_multiplier;/* Effective Resolution Multiplier
+					   (HUT v1.12, 4.3.1), default: 1 */
+	/* hidinput data */
+	__s8	  wheel_factor;		/* 120/resolution_multiplier */
+	__u16     code;			/* input driver code */
+	__u8      type;			/* input driver type */
+	__s8	  hat_min;		/* hat switch fun */
+	__s8	  hat_max;		/* ditto */
+	__s8	  hat_dir;		/* ditto */
+	__s16	  wheel_accumulated;	/* hi-res wheel */
+};
+
+struct hid_input;
+
+struct hid_field {
+	unsigned  physical;		/* physical usage for this field */
+	unsigned  logical;		/* logical usage for this field */
+	unsigned  application;		/* application usage for this field */
+	struct hid_usage *usage;	/* usage table for this function */
+	unsigned  maxusage;		/* maximum usage index */
+	unsigned  flags;		/* main-item flags (i.e. volatile,array,constant) */
+	unsigned  report_offset;	/* bit offset in the report */
+	unsigned  report_size;		/* size of this field in the report */
+	unsigned  report_count;		/* number of this field in the report */
+	unsigned  report_type;		/* (input,output,feature) */
+	__s32    *value;		/* last known value(s) */
+	__s32    *new_value;		/* newly read value(s) */
+	__s32    *usages_priorities;	/* priority of each usage when reading the report
+					 * bits 8-16 are reserved for hid-input usage
+					 */
+	__s32     logical_minimum;
+	__s32     logical_maximum;
+	__s32     physical_minimum;
+	__s32     physical_maximum;
+	__s32     unit_exponent;
+	unsigned  unit;
+	bool      ignored;		/* this field is ignored in this event */
+	struct hid_report *report;	/* associated report */
+	unsigned index;			/* index into report->field[] */
+	/* hidinput data */
+	struct hid_input *hidinput;	/* associated input structure */
+	__u16 dpad;			/* dpad input code */
+	unsigned int slot_idx;		/* slot index in a report */
+};
+
+#define HID_MAX_FIELDS 256
+
+struct hid_field_entry {
+	struct list_head list;
+	struct hid_field *field;
+	unsigned int index;
+	__s32 priority;
+};
+
+struct hid_report {
+	struct list_head list;
+	struct list_head hidinput_list;
+	struct list_head field_entry_list;		/* ordered list of input fields */
+	unsigned int id;				/* id of this report */
+	enum hid_report_type type;			/* report type */
+	unsigned int application;			/* application usage for this report */
+	struct hid_field *field[HID_MAX_FIELDS];	/* fields of the report */
+	struct hid_field_entry *field_entries;		/* allocated memory of input field_entry */
+	unsigned maxfield;				/* maximum valid field index */
+	unsigned size;					/* size of the report (bits) */
+	struct hid_device *device;			/* associated device */
+
+	/* tool related state */
+	bool tool_active;				/* whether the current tool is active */
+	unsigned int tool;				/* BTN_TOOL_* */
+};
+
+#define HID_MAX_IDS 256
+
+struct hid_report_enum {
+	unsigned numbered;
+	struct list_head report_list;
+	struct hid_report *report_id_hash[HID_MAX_IDS];
+};
+
+#define HID_MIN_BUFFER_SIZE	64		/* make sure there is at least a packet size of space */
+#define HID_MAX_BUFFER_SIZE	16384		/* 16kb */
+#define HID_CONTROL_FIFO_SIZE	256		/* to init devices with >100 reports */
+#define HID_OUTPUT_FIFO_SIZE	64
+
+struct hid_control_fifo {
+	unsigned char dir;
+	struct hid_report *report;
+	char *raw_report;
+};
+
+struct hid_output_fifo {
+	struct hid_report *report;
+	char *raw_report;
+};
+
+#define HID_CLAIMED_INPUT	BIT(0)
+#define HID_CLAIMED_HIDDEV	BIT(1)
+#define HID_CLAIMED_HIDRAW	BIT(2)
+#define HID_CLAIMED_DRIVER	BIT(3)
+
+#define HID_STAT_ADDED		BIT(0)
+#define HID_STAT_PARSED		BIT(1)
+#define HID_STAT_DUP_DETECTED	BIT(2)
+#define HID_STAT_REPROBED	BIT(3)
+
+struct hid_input {
+	struct list_head list;
+	struct hid_report *report;
+	struct input_dev *input;
+	const char *name;
+	bool registered;
+	struct list_head reports;	/* the list of reports */
+	unsigned int application;	/* application usage for this input */
+};
+
+enum hid_type {
+	HID_TYPE_OTHER = 0,
+	HID_TYPE_USBMOUSE,
+	HID_TYPE_USBNONE
+};
+
+enum hid_battery_status {
+	HID_BATTERY_UNKNOWN = 0,
+	HID_BATTERY_QUERIED,		/* Kernel explicitly queried battery strength */
+	HID_BATTERY_REPORTED,		/* Device sent unsolicited battery strength report */
+};
+
+struct hid_driver;
+struct hid_ll_driver;
+
+struct hid_device {							/* device report descriptor */
+	__u8 *dev_rdesc;
+	unsigned dev_rsize;
+	__u8 *rdesc;
+	unsigned rsize;
+	struct hid_collection *collection;				/* List of HID collections */
+	unsigned collection_size;					/* Number of allocated hid_collections */
+	unsigned maxcollection;						/* Number of parsed collections */
+	unsigned maxapplication;					/* Number of applications */
+	__u16 bus;							/* BUS ID */
+	__u16 group;							/* Report group */
+	__u32 vendor;							/* Vendor ID */
+	__u32 product;							/* Product ID */
+	__u32 version;							/* HID version */
+	enum hid_type type;						/* device type (mouse, kbd, ...) */
+	unsigned country;						/* HID country */
+	struct hid_report_enum report_enum[HID_REPORT_TYPES];
+	struct work_struct led_work;					/* delayed LED worker */
+
+	struct semaphore driver_input_lock;				/* protects the current driver */
+	struct device dev;						/* device */
+	struct hid_driver *driver;
+
+	struct hid_ll_driver *ll_driver;
+	struct mutex ll_open_lock;
+	unsigned int ll_open_count;
+
+#ifdef CONFIG_HID_BATTERY_STRENGTH
+	/*
+	 * Power supply information for HID devices which report
+	 * battery strength. power_supply was successfully registered if
+	 * battery is non-NULL.
+	 */
+	struct power_supply *battery;
+	__s32 battery_capacity;
+	__s32 battery_min;
+	__s32 battery_max;
+	__s32 battery_report_type;
+	__s32 battery_report_id;
+	__s32 battery_charge_status;
+	enum hid_battery_status battery_status;
+	bool battery_avoid_query;
+	ktime_t battery_ratelimit_time;
+#endif
+
+	unsigned long status;						/* see STAT flags above */
+	unsigned claimed;						/* Claimed by hidinput, hiddev? */
+	unsigned quirks;						/* Various quirks the device can pull on us */
+	unsigned initial_quirks;					/* Initial set of quirks supplied when creating device */
+	bool io_started;						/* If IO has started */
+
+	struct list_head inputs;					/* The list of inputs */
+	void *hiddev;							/* The hiddev structure */
+	void *hidraw;
+
+	char name[128];							/* Device name */
+	char phys[64];							/* Device physical location */
+	char uniq[64];							/* Device unique identifier (serial #) */
+
+	void *driver_data;
+
+	/* temporary hid_ff handling (until moved to the drivers) */
+	int (*ff_init)(struct hid_device *);
+
+	/* hiddev event handler */
+	int (*hiddev_connect)(struct hid_device *, unsigned int);
+	void (*hiddev_disconnect)(struct hid_device *);
+	void (*hiddev_hid_event) (struct hid_device *, struct hid_field *field,
+				  struct hid_usage *, __s32);
+	void (*hiddev_report_event) (struct hid_device *, struct hid_report *);
+
+	/* debugging support via debugfs */
+	unsigned short debug;
+	struct dentry *debug_dir;
+	struct dentry *debug_rdesc;
+	struct dentry *debug_events;
+	struct list_head debug_list;
+	spinlock_t  debug_list_lock;
+	wait_queue_head_t debug_wait;
+	struct kref			ref;
+
+	unsigned int id;						/* system unique id */
+};
+
+void hiddev_free(struct kref *ref);
+
+#define to_hid_device(pdev) \
+	container_of(pdev, struct hid_device, dev)
+
+static inline void *hid_get_drvdata(struct hid_device *hdev)
+{
+	return dev_get_drvdata(&hdev->dev);
+}
+
+static inline void hid_set_drvdata(struct hid_device *hdev, void *data)
+{
+	dev_set_drvdata(&hdev->dev, data);
+}
+
+#define HID_GLOBAL_STACK_SIZE 4
+#define HID_COLLECTION_STACK_SIZE 4
+
+#define HID_SCAN_FLAG_MT_WIN_8			BIT(0)
+#define HID_SCAN_FLAG_VENDOR_SPECIFIC		BIT(1)
+#define HID_SCAN_FLAG_GD_POINTER		BIT(2)
+
+struct hid_parser {
+	struct hid_global     global;
+	struct hid_global     global_stack[HID_GLOBAL_STACK_SIZE];
+	unsigned int          global_stack_ptr;
+	struct hid_local      local;
+	unsigned int         *collection_stack;
+	unsigned int          collection_stack_ptr;
+	unsigned int          collection_stack_size;
+	struct hid_device    *device;
+	unsigned int          scan_flags;
+};
+
+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));
+
+#define HID_DEVICE(b, g, ven, prod)					\
+	.bus = (b), .group = (g), .vendor = (ven), .product = (prod)
+#define HID_USB_DEVICE(ven, prod)				\
+	.bus = BUS_USB, .vendor = (ven), .product = (prod)
+#define HID_BLUETOOTH_DEVICE(ven, prod)					\
+	.bus = BUS_BLUETOOTH, .vendor = (ven), .product = (prod)
+#define HID_I2C_DEVICE(ven, prod)				\
+	.bus = BUS_I2C, .vendor = (ven), .product = (prod)
+
+#define HID_REPORT_ID(rep) \
+	.report_type = (rep)
+#define HID_USAGE_ID(uhid, utype, ucode) \
+	.usage_hid = (uhid), .usage_type = (utype), .usage_code = (ucode)
+/* we don't want to catch types and codes equal to 0 */
+#define HID_TERMINATOR		(HID_ANY_ID - 1)
+
+struct hid_report_id {
+	__u32 report_type;
+};
+struct hid_usage_id {
+	__u32 usage_hid;
+	__u32 usage_type;
+	__u32 usage_code;
+};
+
+/**
+ * struct hid_driver
+ * @name: driver name (e.g. "Footech_bar-wheel")
+ * @id_table: which devices is this driver for (must be non-NULL for probe
+ * 	      to be called)
+ * @dyn_list: list of dynamically added device ids
+ * @dyn_lock: lock protecting @dyn_list
+ * @match: check if the given device is handled by this driver
+ * @probe: new device inserted
+ * @remove: device removed (NULL if not a hot-plug capable driver)
+ * @report_table: on which reports to call raw_event (NULL means all)
+ * @raw_event: if report in report_table, this hook is called (NULL means nop)
+ * @usage_table: on which events to call event (NULL means all)
+ * @event: if usage in usage_table, this hook is called (NULL means nop)
+ * @report: this hook is called after parsing a report (NULL means nop)
+ * @report_fixup: called before report descriptor parsing (NULL means nop)
+ * @input_mapping: invoked on input registering before mapping an usage
+ * @input_mapped: invoked on input registering after mapping an usage
+ * @input_configured: invoked just before the device is registered
+ * @feature_mapping: invoked on feature registering
+ * @suspend: invoked on suspend (NULL means nop)
+ * @resume: invoked on resume if device was not reset (NULL means nop)
+ * @reset_resume: invoked on resume if device was reset (NULL means nop)
+ *
+ * probe should return -errno on error, or 0 on success. During probe,
+ * input will not be passed to raw_event unless hid_device_io_start is
+ * called.
+ *
+ * raw_event and event should return negative on error, any other value will
+ * pass the event on to .event() typically return 0 for success.
+ *
+ * input_mapping shall return a negative value to completely ignore this usage
+ * (e.g. doubled or invalid usage), zero to continue with parsing of this
+ * usage by generic code (no special handling needed) or positive to skip
+ * generic parsing (needed special handling which was done in the hook already)
+ * input_mapped shall return negative to inform the layer that this usage
+ * should not be considered for further processing or zero to notify that
+ * no processing was performed and should be done in a generic manner
+ * Both these functions may be NULL which means the same behavior as returning
+ * zero from them.
+ */
+struct hid_driver {
+	char *name;
+	const struct hid_device_id *id_table;
+
+	struct list_head dyn_list;
+	spinlock_t dyn_lock;
+
+	bool (*match)(struct hid_device *dev, bool ignore_special_driver);
+	int (*probe)(struct hid_device *dev, const struct hid_device_id *id);
+	void (*remove)(struct hid_device *dev);
+
+	const struct hid_report_id *report_table;
+	int (*raw_event)(struct hid_device *hdev, struct hid_report *report,
+			u8 *data, int size);
+	const struct hid_usage_id *usage_table;
+	int (*event)(struct hid_device *hdev, struct hid_field *field,
+			struct hid_usage *usage, __s32 value);
+	void (*report)(struct hid_device *hdev, struct hid_report *report);
+
+	__u8 *(*report_fixup)(struct hid_device *hdev, __u8 *buf,
+			unsigned int *size);
+
+	int (*input_mapping)(struct hid_device *hdev,
+			struct hid_input *hidinput, struct hid_field *field,
+			struct hid_usage *usage, unsigned long **bit, int *max);
+	int (*input_mapped)(struct hid_device *hdev,
+			struct hid_input *hidinput, struct hid_field *field,
+			struct hid_usage *usage, unsigned long **bit, int *max);
+	int (*input_configured)(struct hid_device *hdev,
+				struct hid_input *hidinput);
+	void (*feature_mapping)(struct hid_device *hdev,
+			struct hid_field *field,
+			struct hid_usage *usage);
+#ifdef CONFIG_PM
+	int (*suspend)(struct hid_device *hdev, pm_message_t message);
+	int (*resume)(struct hid_device *hdev);
+	int (*reset_resume)(struct hid_device *hdev);
+#endif
+/* private: */
+	struct device_driver driver;
+};
+
+#define to_hid_driver(pdrv) \
+	container_of(pdrv, struct hid_driver, driver)
+
+/**
+ * struct hid_ll_driver - low level driver callbacks
+ * @start: called on probe to start the device
+ * @stop: called on remove
+ * @open: called by input layer on open
+ * @close: called by input layer on close
+ * @power: request underlying hardware to enter requested power mode
+ * @parse: this method is called only once to parse the device data,
+ *	   shouldn't allocate anything to not leak memory
+ * @request: send report request to device (e.g. feature report)
+ * @wait: wait for buffered io to complete (send/recv reports)
+ * @raw_request: send raw report request to device (e.g. feature report)
+ * @output_report: send output report to device
+ * @idle: send idle request to device
+ * @may_wakeup: return if device may act as a wakeup source during system-suspend
+ * @max_buffer_size: over-ride maximum data buffer size (default: HID_MAX_BUFFER_SIZE)
+ */
+struct hid_ll_driver {
+	int (*start)(struct hid_device *hdev);
+	void (*stop)(struct hid_device *hdev);
+
+	int (*open)(struct hid_device *hdev);
+	void (*close)(struct hid_device *hdev);
+
+	int (*power)(struct hid_device *hdev, int level);
+
+	int (*parse)(struct hid_device *hdev);
+
+	void (*request)(struct hid_device *hdev,
+			struct hid_report *report, int reqtype);
+
+	int (*wait)(struct hid_device *hdev);
+
+	int (*raw_request) (struct hid_device *hdev, unsigned char reportnum,
+			    __u8 *buf, size_t len, unsigned char rtype,
+			    int reqtype);
+
+	int (*output_report) (struct hid_device *hdev, __u8 *buf, size_t len);
+
+	int (*idle)(struct hid_device *hdev, int report, int idle, int reqtype);
+	bool (*may_wakeup)(struct hid_device *hdev);
+
+	unsigned int max_buffer_size;
+};
+
+extern struct hid_ll_driver i2c_hid_ll_driver;
+extern struct hid_ll_driver hidp_hid_driver;
+extern struct hid_ll_driver uhid_hid_driver;
+extern struct hid_ll_driver usb_hid_driver;
+
+static inline bool hid_is_using_ll_driver(struct hid_device *hdev,
+		struct hid_ll_driver *driver)
+{
+	return hdev->ll_driver == driver;
+}
+
+static inline bool hid_is_usb(struct hid_device *hdev)
+{
+	return hid_is_using_ll_driver(hdev, &usb_hid_driver);
+}
+
+#define	PM_HINT_FULLON	1<<5
+#define PM_HINT_NORMAL	1<<1
+
+/* 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 >= HID_UP_GENDESK) && (a <= HID_GD_MULTIAXIS)) \
+		|| ((a >= HID_DG_PEN) && (a <= HID_DG_WHITEBOARD)) \
+		|| (a == HID_GD_SYSTEM_CONTROL) || (a == HID_CP_CONSUMER_CONTROL) \
+		|| (a == HID_GD_WIRELESS_RADIO_CTLS))
+
+/* HID core API */
+
+extern int hid_debug;
+
+extern bool hid_ignore(struct hid_device *);
+extern int hid_add_device(struct hid_device *);
+extern void hid_destroy_device(struct hid_device *);
+
+extern struct bus_type hid_bus_type;
+
+extern int __must_check __hid_register_driver(struct hid_driver *,
+		struct module *, const char *mod_name);
+
+/* use a define to avoid include chaining to get THIS_MODULE & friends */
+#define hid_register_driver(driver) \
+	__hid_register_driver(driver, THIS_MODULE, KBUILD_MODNAME)
+
+extern void hid_unregister_driver(struct hid_driver *);
+
+/**
+ * module_hid_driver() - Helper macro for registering a HID driver
+ * @__hid_driver: hid_driver struct
+ *
+ * Helper macro for HID drivers which do not do anything special in module
+ * init/exit. This eliminates a lot of boilerplate. Each module may only
+ * use this macro once, and calling it replaces module_init() and module_exit()
+ */
+#define module_hid_driver(__hid_driver) \
+	module_driver(__hid_driver, hid_register_driver, \
+		      hid_unregister_driver)
+
+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 *hid, unsigned int force);
+extern void hidinput_disconnect(struct hid_device *);
+
+int hid_set_field(struct hid_field *, unsigned, __s32);
+int hid_input_report(struct hid_device *hid, enum hid_report_type type, u8 *data, u32 size,
+		     int interrupt);
+struct hid_field *hidinput_get_led_field(struct hid_device *hid);
+unsigned int hidinput_count_leds(struct hid_device *hid);
+__s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code);
+void hid_output_report(struct hid_report *report, __u8 *data);
+int __hid_request(struct hid_device *hid, struct hid_report *rep, enum hid_class_request reqtype);
+u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags);
+struct hid_device *hid_allocate_device(void);
+struct hid_report *hid_register_report(struct hid_device *device,
+				       enum hid_report_type type, unsigned int id,
+				       unsigned int application);
+int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size);
+struct hid_report *hid_validate_values(struct hid_device *hid,
+				       enum hid_report_type type, unsigned int id,
+				       unsigned int field_index,
+				       unsigned int report_counts);
+
+void hid_setup_resolution_multiplier(struct hid_device *hid);
+int hid_open_report(struct hid_device *device);
+int hid_check_keys_pressed(struct hid_device *hid);
+int hid_connect(struct hid_device *hid, unsigned int connect_mask);
+void hid_disconnect(struct hid_device *hid);
+bool hid_match_one_id(const struct hid_device *hdev,
+		      const struct hid_device_id *id);
+const struct hid_device_id *hid_match_id(const struct hid_device *hdev,
+					 const struct hid_device_id *id);
+const struct hid_device_id *hid_match_device(struct hid_device *hdev,
+					     struct hid_driver *hdrv);
+bool hid_compare_device_paths(struct hid_device *hdev_a,
+			      struct hid_device *hdev_b, char separator);
+s32 hid_snto32(__u32 value, unsigned n);
+__u32 hid_field_extract(const struct hid_device *hid, __u8 *report,
+		     unsigned offset, unsigned n);
+
+#ifdef CONFIG_PM
+int hid_driver_suspend(struct hid_device *hdev, pm_message_t state);
+int hid_driver_reset_resume(struct hid_device *hdev);
+int hid_driver_resume(struct hid_device *hdev);
+#else
+static inline int hid_driver_suspend(struct hid_device *hdev, pm_message_t state) { return 0; }
+static inline int hid_driver_reset_resume(struct hid_device *hdev) { return 0; }
+static inline int hid_driver_resume(struct hid_device *hdev) { return 0; }
+#endif
+
+/**
+ * hid_device_io_start - enable HID input during probe, remove
+ *
+ * @hid: the device
+ *
+ * This should only be called during probe or remove and only be
+ * called by the thread calling probe or remove. It will allow
+ * incoming packets to be delivered to the driver.
+ */
+static inline void hid_device_io_start(struct hid_device *hid) {
+	if (hid->io_started) {
+		dev_warn(&hid->dev, "io already started\n");
+		return;
+	}
+	hid->io_started = true;
+	up(&hid->driver_input_lock);
+}
+
+/**
+ * hid_device_io_stop - disable HID input during probe, remove
+ *
+ * @hid: the device
+ *
+ * Should only be called after hid_device_io_start. It will prevent
+ * incoming packets from going to the driver for the duration of
+ * probe, remove. If called during probe, packets will still go to the
+ * driver after probe is complete. This function should only be called
+ * by the thread calling probe or remove.
+ */
+static inline void hid_device_io_stop(struct hid_device *hid) {
+	if (!hid->io_started) {
+		dev_warn(&hid->dev, "io already stopped\n");
+		return;
+	}
+	hid->io_started = false;
+	down(&hid->driver_input_lock);
+}
+
+/**
+ * hid_map_usage - map usage input bits
+ *
+ * @hidinput: hidinput which we are interested in
+ * @usage: usage to fill in
+ * @bit: pointer to input->{}bit (out parameter)
+ * @max: maximal valid usage->code to consider later (out parameter)
+ * @type: input event type (EV_KEY, EV_REL, ...)
+ * @c: code which corresponds to this usage and type
+ *
+ * The value pointed to by @bit will be set to NULL if either @type is
+ * an unhandled event type, or if @c is out of range for @type. This
+ * can be used as an error condition.
+ */
+static inline void hid_map_usage(struct hid_input *hidinput,
+		struct hid_usage *usage, unsigned long **bit, int *max,
+		__u8 type, unsigned int c)
+{
+	struct input_dev *input = hidinput->input;
+	unsigned long *bmap = NULL;
+	unsigned int limit = 0;
+
+	switch (type) {
+	case EV_ABS:
+		bmap = input->absbit;
+		limit = ABS_MAX;
+		break;
+	case EV_REL:
+		bmap = input->relbit;
+		limit = REL_MAX;
+		break;
+	case EV_KEY:
+		bmap = input->keybit;
+		limit = KEY_MAX;
+		break;
+	case EV_LED:
+		bmap = input->ledbit;
+		limit = LED_MAX;
+		break;
+	case EV_MSC:
+		bmap = input->mscbit;
+		limit = MSC_MAX;
+		break;
+	}
+
+	if (unlikely(c > limit || !bmap)) {
+		pr_warn_ratelimited("%s: Invalid code %d type %d\n",
+				    input->name, c, type);
+		*bit = NULL;
+		return;
+	}
+
+	usage->type = type;
+	usage->code = c;
+	*max = limit;
+	*bit = bmap;
+}
+
+/**
+ * hid_map_usage_clear - map usage input bits and clear the input bit
+ *
+ * @hidinput: hidinput which we are interested in
+ * @usage: usage to fill in
+ * @bit: pointer to input->{}bit (out parameter)
+ * @max: maximal valid usage->code to consider later (out parameter)
+ * @type: input event type (EV_KEY, EV_REL, ...)
+ * @c: code which corresponds to this usage and type
+ *
+ * The same as hid_map_usage, except the @c bit is also cleared in supported
+ * bits (@bit).
+ */
+static inline void hid_map_usage_clear(struct hid_input *hidinput,
+		struct hid_usage *usage, unsigned long **bit, int *max,
+		__u8 type, __u16 c)
+{
+	hid_map_usage(hidinput, usage, bit, max, type, c);
+	if (*bit)
+		clear_bit(usage->code, *bit);
+}
+
+/**
+ * hid_parse - parse HW reports
+ *
+ * @hdev: hid device
+ *
+ * Call this from probe after you set up the device (if needed). Your
+ * report_fixup will be called (if non-NULL) after reading raw report from
+ * device before passing it to hid layer for real parsing.
+ */
+static inline int __must_check hid_parse(struct hid_device *hdev)
+{
+	return hid_open_report(hdev);
+}
+
+int __must_check hid_hw_start(struct hid_device *hdev,
+			      unsigned int connect_mask);
+void hid_hw_stop(struct hid_device *hdev);
+int __must_check hid_hw_open(struct hid_device *hdev);
+void hid_hw_close(struct hid_device *hdev);
+void hid_hw_request(struct hid_device *hdev,
+		    struct hid_report *report, enum hid_class_request reqtype);
+int hid_hw_raw_request(struct hid_device *hdev,
+		       unsigned char reportnum, __u8 *buf,
+		       size_t len, enum hid_report_type rtype,
+		       enum hid_class_request reqtype);
+int hid_hw_output_report(struct hid_device *hdev, __u8 *buf, size_t len);
+
+/**
+ * hid_hw_power - requests underlying HW to go into given power mode
+ *
+ * @hdev: hid device
+ * @level: requested power level (one of %PM_HINT_* defines)
+ *
+ * This function requests underlying hardware to enter requested power
+ * mode.
+ */
+
+static inline int hid_hw_power(struct hid_device *hdev, int level)
+{
+	return hdev->ll_driver->power ? hdev->ll_driver->power(hdev, level) : 0;
+}
+
+
+/**
+ * hid_hw_idle - send idle request to device
+ *
+ * @hdev: hid device
+ * @report: report to control
+ * @idle: idle state
+ * @reqtype: hid request type
+ */
+static inline int hid_hw_idle(struct hid_device *hdev, int report, int idle,
+		enum hid_class_request reqtype)
+{
+	if (hdev->ll_driver->idle)
+		return hdev->ll_driver->idle(hdev, report, idle, reqtype);
+
+	return 0;
+}
+
+/**
+ * hid_hw_may_wakeup - return if the hid device may act as a wakeup source during system-suspend
+ *
+ * @hdev: hid device
+ */
+static inline bool hid_hw_may_wakeup(struct hid_device *hdev)
+{
+	if (hdev->ll_driver->may_wakeup)
+		return hdev->ll_driver->may_wakeup(hdev);
+
+	if (hdev->dev.parent)
+		return device_may_wakeup(hdev->dev.parent);
+
+	return false;
+}
+
+/**
+ * hid_hw_wait - wait for buffered io to complete
+ *
+ * @hdev: hid device
+ */
+static inline void hid_hw_wait(struct hid_device *hdev)
+{
+	if (hdev->ll_driver->wait)
+		hdev->ll_driver->wait(hdev);
+}
+
+/**
+ * hid_report_len - calculate the report length
+ *
+ * @report: the report we want to know the length
+ */
+static inline u32 hid_report_len(struct hid_report *report)
+{
+	return DIV_ROUND_UP(report->size, 8) + (report->id > 0);
+}
+
+int hid_report_raw_event(struct hid_device *hid, enum hid_report_type type, u8 *data, u32 size,
+			 int interrupt);
+
+/* HID quirks API */
+unsigned long hid_lookup_quirk(const struct hid_device *hdev);
+int hid_quirks_init(char **quirks_param, __u16 bus, int count);
+void hid_quirks_exit(__u16 bus);
+
+#ifdef CONFIG_HID_PID
+int hid_pidff_init(struct hid_device *hid);
+#else
+#define hid_pidff_init NULL
+#endif
+
+#define dbg_hid(fmt, ...)						\
+do {									\
+	if (hid_debug)							\
+		printk(KERN_DEBUG "%s: " fmt, __FILE__, ##__VA_ARGS__);	\
+} while (0)
+
+#define hid_err(hid, fmt, ...)				\
+	dev_err(&(hid)->dev, fmt, ##__VA_ARGS__)
+#define hid_notice(hid, fmt, ...)			\
+	dev_notice(&(hid)->dev, fmt, ##__VA_ARGS__)
+#define hid_warn(hid, fmt, ...)				\
+	dev_warn(&(hid)->dev, fmt, ##__VA_ARGS__)
+#define hid_info(hid, fmt, ...)				\
+	dev_info(&(hid)->dev, fmt, ##__VA_ARGS__)
+#define hid_dbg(hid, fmt, ...)				\
+	dev_dbg(&(hid)->dev, fmt, ##__VA_ARGS__)
+
+#define hid_err_once(hid, fmt, ...)			\
+	dev_err_once(&(hid)->dev, fmt, ##__VA_ARGS__)
+#define hid_notice_once(hid, fmt, ...)			\
+	dev_notice_once(&(hid)->dev, fmt, ##__VA_ARGS__)
+#define hid_warn_once(hid, fmt, ...)			\
+	dev_warn_once(&(hid)->dev, fmt, ##__VA_ARGS__)
+#define hid_info_once(hid, fmt, ...)			\
+	dev_info_once(&(hid)->dev, fmt, ##__VA_ARGS__)
+#define hid_dbg_once(hid, fmt, ...)			\
+	dev_dbg_once(&(hid)->dev, fmt, ##__VA_ARGS__)
+
+#endif