--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/include/linux/hid.h Sun Jan 11 20:20:11 2009 +0100
@@ -0,0 +1,811 @@
+#ifndef __HID_H
+#define __HID_H
+
+/*
+ * Copyright (c) 1999 Andreas Gal
+ * Copyright (c) 2000-2001 Vojtech Pavlik
+ * Copyright (c) 2006-2007 Jiri Kosina
+ */
+
+/*
+ * 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
+ */
+
+/*
+ * USB HID (Human Interface Device) interface class code
+ */
+
+#define USB_INTERFACE_CLASS_HID 3
+
+/*
+ * USB HID interface subclass and protocol codes
+ */
+
+#define USB_INTERFACE_SUBCLASS_BOOT 1
+#define USB_INTERFACE_PROTOCOL_KEYBOARD 1
+#define USB_INTERFACE_PROTOCOL_MOUSE 2
+
+/*
+ * 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)
+
+#define HID_MAX_DESCRIPTOR_SIZE 4096
+
+#ifdef __KERNEL__
+
+#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>
+
+/*
+ * 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 connect requests
+ */
+
+#define HID_CONNECT_HIDINPUT 0x01
+#define HID_CONNECT_HIDINPUT_FORCE 0x02
+#define HID_CONNECT_HIDRAW 0x04
+#define HID_CONNECT_HIDDEV 0x08
+#define HID_CONNECT_HIDDEV_FORCE 0x10
+#define HID_CONNECT_FF 0x20
+#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
+
+#define HID_QUIRK_INVERT 0x00000001
+#define HID_QUIRK_NOTOUCH 0x00000002
+#define HID_QUIRK_NOGET 0x00000008
+#define HID_QUIRK_BADPAD 0x00000020
+#define HID_QUIRK_MULTI_INPUT 0x00000040
+#define HID_QUIRK_SKIP_OUTPUT_REPORTS 0x00010000
+#define HID_QUIRK_FULLSPEED_INTERVAL 0x10000000
+
+/*
+ * 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 */
+ 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 {
+ unsigned type;
+ unsigned usage;
+ unsigned level;
+};
+
+struct hid_usage {
+ unsigned hid; /* hid usage code */
+ unsigned collection_index; /* index into collection array */
+ /* hidinput data */
+ __u16 code; /* input driver code */
+ __u8 type; /* input driver type */
+ __s8 hat_min; /* hat switch fun */
+ __s8 hat_max; /* ditto */
+ __s8 hat_dir; /* ditto */
+};
+
+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 logical_minimum;
+ __s32 logical_maximum;
+ __s32 physical_minimum;
+ __s32 physical_maximum;
+ __s32 unit_exponent;
+ unsigned unit;
+ 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 */
+};
+
+#define HID_MAX_FIELDS 64
+
+struct hid_report {
+ struct list_head list;
+ unsigned id; /* id of this report */
+ unsigned type; /* report type */
+ struct hid_field *field[HID_MAX_FIELDS]; /* fields of the report */
+ unsigned maxfield; /* maximum valid field index */
+ unsigned size; /* size of the report (bits) */
+ struct hid_device *device; /* associated device */
+};
+
+struct hid_report_enum {
+ unsigned numbered;
+ struct list_head report_list;
+ struct hid_report *report_id_hash[256];
+};
+
+#define HID_REPORT_TYPES 3
+
+#define HID_MIN_BUFFER_SIZE 64 /* make sure there is at least a packet size of space */
+#define HID_MAX_BUFFER_SIZE 4096 /* 4kb */
+#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 1
+#define HID_CLAIMED_HIDDEV 2
+#define HID_CLAIMED_HIDRAW 4
+
+#define HID_STAT_ADDED 1
+#define HID_STAT_PARSED 2
+
+#define HID_CTRL_RUNNING 1
+#define HID_OUT_RUNNING 2
+#define HID_IN_RUNNING 3
+#define HID_RESET_PENDING 4
+#define HID_SUSPENDED 5
+#define HID_CLEAR_HALT 6
+#define HID_DISCONNECTED 7
+#define HID_STARTED 8
+
+struct hid_input {
+ struct list_head list;
+ struct hid_report *report;
+ struct input_dev *input;
+};
+
+enum hid_type {
+ HID_TYPE_OTHER = 0,
+ HID_TYPE_USBMOUSE
+};
+
+struct hid_driver;
+struct hid_ll_driver;
+
+struct hid_device { /* device report descriptor */
+ __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 */
+ __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 device dev; /* device */
+ struct hid_driver *driver;
+ struct hid_ll_driver *ll_driver;
+
+ unsigned int status; /* see STAT flags above */
+ unsigned claimed; /* Claimed by hidinput, hiddev? */
+ unsigned quirks; /* Various quirks the device can pull on us */
+
+ struct list_head inputs; /* The list of inputs */
+ void *hiddev; /* The hiddev structure */
+ void *hidraw;
+ int minor; /* Hiddev minor number */
+
+ int open; /* is the device open by anyone? */
+ 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_hid_event) (struct hid_device *, struct hid_field *field,
+ 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);
+};
+
+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
+
+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));
+
+#define HID_DEVICE(b, ven, prod) \
+ .bus = (b), \
+ .vendor = (ven), .product = (prod)
+
+#define HID_USB_DEVICE(ven, prod) HID_DEVICE(BUS_USB, ven, prod)
+#define HID_BLUETOOTH_DEVICE(ven, prod) HID_DEVICE(BUS_BLUETOOTH, ven, 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)
+ * @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_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
+ *
+ * raw_event and event should return 0 on no action performed, 1 when no
+ * further processing should be done and negative on error
+ *
+ * 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;
+
+ 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_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);
+/* private: */
+ struct device_driver driver;
+};
+
+/**
+ * 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
+ * @hidinput_input_event: event input event (e.g. ff or leds)
+ * @parse: this method is called only once to parse the device data,
+ * shouldn't allocate anything to not leak memory
+ */
+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 (*hidinput_input_event) (struct input_dev *idev, unsigned int type,
+ unsigned int code, int value);
+
+ int (*parse)(struct hid_device *hdev);
+};
+
+/* 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) || (a == 0x000d0002))
+
+/* HID core API */
+
+#ifdef CONFIG_HID_DEBUG
+extern int hid_debug;
+#endif
+
+extern int hid_add_device(struct hid_device *);
+extern void hid_destroy_device(struct hid_device *);
+
+extern int __must_check __hid_register_driver(struct hid_driver *,
+ struct module *, const char *mod_name);
+static inline int __must_check hid_register_driver(struct hid_driver *driver)
+{
+ return __hid_register_driver(driver, THIS_MODULE, KBUILD_MODNAME);
+}
+extern void hid_unregister_driver(struct hid_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 *, int type, u8 *, int, int);
+int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field);
+void hid_output_report(struct hid_report *report, __u8 *data);
+struct hid_device *hid_allocate_device(void);
+int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size);
+int hid_connect(struct hid_device *hid, unsigned int connect_mask);
+
+/**
+ * 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
+ */
+static inline void hid_map_usage(struct hid_input *hidinput,
+ struct hid_usage *usage, unsigned long **bit, int *max,
+ __u8 type, __u16 c)
+{
+ struct input_dev *input = hidinput->input;
+
+ usage->type = type;
+ usage->code = c;
+
+ switch (type) {
+ case EV_ABS:
+ *bit = input->absbit;
+ *max = ABS_MAX;
+ break;
+ case EV_REL:
+ *bit = input->relbit;
+ *max = REL_MAX;
+ break;
+ case EV_KEY:
+ *bit = input->keybit;
+ *max = KEY_MAX;
+ break;
+ case EV_LED:
+ *bit = input->ledbit;
+ *max = LED_MAX;
+ break;
+ }
+}
+
+/**
+ * hid_map_usage_clear - map usage input bits and clear the input bit
+ *
+ * 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);
+ clear_bit(c, *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)
+{
+ int ret;
+
+ if (hdev->status & HID_STAT_PARSED)
+ return 0;
+
+ ret = hdev->ll_driver->parse(hdev);
+ if (!ret)
+ hdev->status |= HID_STAT_PARSED;
+
+ return ret;
+}
+
+/**
+ * hid_hw_start - start underlaying HW
+ *
+ * @hdev: hid device
+ * @connect_mask: which outputs to connect, see HID_CONNECT_*
+ *
+ * Call this in probe function *after* hid_parse. This will setup HW buffers
+ * and start the device (if not deffered to device open). hid_hw_stop must be
+ * called if this was successfull.
+ */
+static inline int __must_check hid_hw_start(struct hid_device *hdev,
+ unsigned int connect_mask)
+{
+ int ret = hdev->ll_driver->start(hdev);
+ if (ret || !connect_mask)
+ return ret;
+ ret = hid_connect(hdev, connect_mask);
+ if (ret)
+ hdev->ll_driver->stop(hdev);
+ return ret;
+}
+
+/**
+ * hid_hw_stop - stop underlaying HW
+ *
+ * @hdev: hid device
+ *
+ * This is usually called from remove function or from probe when something
+ * failed and hid_hw_start was called already.
+ */
+static inline void hid_hw_stop(struct hid_device *hdev)
+{
+ hdev->ll_driver->stop(hdev);
+}
+
+void hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
+ int interrupt);
+
+extern int hid_generic_init(void);
+extern void hid_generic_exit(void);
+
+/* 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_set_leds(struct hid_device *hid);
+
+#ifdef CONFIG_HID_PID
+int hid_pidff_init(struct hid_device *hid);
+#else
+#define hid_pidff_init NULL
+#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 /* HID_DEBUG */
+
+#define err_hid(format, arg...) printk(KERN_ERR "%s: " format "\n" , \
+ __FILE__ , ## arg)
+#endif /* HID_FF */
+
+#ifdef CONFIG_HID_COMPAT
+#define HID_COMPAT_LOAD_DRIVER(name) \
+void hid_compat_##name(void) { } \
+EXPORT_SYMBOL(hid_compat_##name)
+#else
+#define HID_COMPAT_LOAD_DRIVER(name)
+#endif /* HID_COMPAT */
+#define HID_COMPAT_CALL_DRIVER(name) do { \
+ extern void hid_compat_##name(void); \
+ hid_compat_##name(); \
+} while (0)
+
+#endif
+