hid-core.c 96.6 KB
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/*
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 *  HID support for Linux
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 *
 *  Copyright (c) 1999 Andreas Gal
 *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
 *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
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 *  Copyright (c) 2006-2012 Jiri Kosina
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 */

/*
 * 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.
 */

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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

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#include <linux/module.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/mm.h>
#include <linux/spinlock.h>
#include <asm/unaligned.h>
#include <asm/byteorder.h>
#include <linux/input.h>
#include <linux/wait.h>
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#include <linux/vmalloc.h>
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#include <linux/sched.h>
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#include <linux/semaphore.h>
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#include <linux/hid.h>
#include <linux/hiddev.h>
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#include <linux/hid-debug.h>
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#include <linux/hidraw.h>
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#include "hid-ids.h"

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/*
 * Version Information
 */

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#define DRIVER_DESC "HID core driver"
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#define DRIVER_LICENSE "GPL"

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int hid_debug = 0;
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module_param_named(debug, hid_debug, int, 0600);
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MODULE_PARM_DESC(debug, "toggle HID debugging messages");
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EXPORT_SYMBOL_GPL(hid_debug);

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static int hid_ignore_special_drivers = 0;
module_param_named(ignore_special_drivers, hid_ignore_special_drivers, int, 0600);
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MODULE_PARM_DESC(ignore_special_drivers, "Ignore any special drivers and handle all devices by generic driver");
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/*
 * Register a new report for a device.
 */

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struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id)
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{
	struct hid_report_enum *report_enum = device->report_enum + type;
	struct hid_report *report;

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	if (id >= HID_MAX_IDS)
		return NULL;
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	if (report_enum->report_id_hash[id])
		return report_enum->report_id_hash[id];

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	report = kzalloc(sizeof(struct hid_report), GFP_KERNEL);
	if (!report)
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		return NULL;

	if (id != 0)
		report_enum->numbered = 1;

	report->id = id;
	report->type = type;
	report->size = 0;
	report->device = device;
	report_enum->report_id_hash[id] = report;

	list_add_tail(&report->list, &report_enum->report_list);

	return report;
}
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EXPORT_SYMBOL_GPL(hid_register_report);
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/*
 * Register a new field for this report.
 */

static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
{
	struct hid_field *field;

	if (report->maxfield == HID_MAX_FIELDS) {
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		hid_err(report->device, "too many fields in report\n");
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		return NULL;
	}

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	field = kzalloc((sizeof(struct hid_field) +
			 usages * sizeof(struct hid_usage) +
			 values * sizeof(unsigned)), GFP_KERNEL);
	if (!field)
		return NULL;
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	field->index = report->maxfield++;
	report->field[field->index] = field;
	field->usage = (struct hid_usage *)(field + 1);
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	field->value = (s32 *)(field->usage + usages);
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	field->report = report;

	return field;
}

/*
 * Open a collection. The type/usage is pushed on the stack.
 */

static int open_collection(struct hid_parser *parser, unsigned type)
{
	struct hid_collection *collection;
	unsigned usage;

	usage = parser->local.usage[0];

	if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
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		hid_err(parser->device, "collection stack overflow\n");
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		return -EINVAL;
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	}

	if (parser->device->maxcollection == parser->device->collection_size) {
		collection = kmalloc(sizeof(struct hid_collection) *
				parser->device->collection_size * 2, GFP_KERNEL);
		if (collection == NULL) {
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			hid_err(parser->device, "failed to reallocate collection array\n");
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			return -ENOMEM;
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		}
		memcpy(collection, parser->device->collection,
			sizeof(struct hid_collection) *
			parser->device->collection_size);
		memset(collection + parser->device->collection_size, 0,
			sizeof(struct hid_collection) *
			parser->device->collection_size);
		kfree(parser->device->collection);
		parser->device->collection = collection;
		parser->device->collection_size *= 2;
	}

	parser->collection_stack[parser->collection_stack_ptr++] =
		parser->device->maxcollection;

	collection = parser->device->collection +
		parser->device->maxcollection++;
	collection->type = type;
	collection->usage = usage;
	collection->level = parser->collection_stack_ptr - 1;

	if (type == HID_COLLECTION_APPLICATION)
		parser->device->maxapplication++;

	return 0;
}

/*
 * Close a collection.
 */

static int close_collection(struct hid_parser *parser)
{
	if (!parser->collection_stack_ptr) {
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		hid_err(parser->device, "collection stack underflow\n");
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		return -EINVAL;
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	}
	parser->collection_stack_ptr--;
	return 0;
}

/*
 * Climb up the stack, search for the specified collection type
 * and return the usage.
 */

static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
{
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	struct hid_collection *collection = parser->device->collection;
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	int n;
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	for (n = parser->collection_stack_ptr - 1; n >= 0; n--) {
		unsigned index = parser->collection_stack[n];
		if (collection[index].type == type)
			return collection[index].usage;
	}
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	return 0; /* we know nothing about this usage type */
}

/*
 * Add a usage to the temporary parser table.
 */

static int hid_add_usage(struct hid_parser *parser, unsigned usage)
{
	if (parser->local.usage_index >= HID_MAX_USAGES) {
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		hid_err(parser->device, "usage index exceeded\n");
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		return -1;
	}
	parser->local.usage[parser->local.usage_index] = usage;
	parser->local.collection_index[parser->local.usage_index] =
		parser->collection_stack_ptr ?
		parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
	parser->local.usage_index++;
	return 0;
}

/*
 * Register a new field for this report.
 */

static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
{
	struct hid_report *report;
	struct hid_field *field;
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	unsigned usages;
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	unsigned offset;
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	unsigned i;
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	report = hid_register_report(parser->device, report_type, parser->global.report_id);
	if (!report) {
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		hid_err(parser->device, "hid_register_report failed\n");
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		return -1;
	}

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	/* Handle both signed and unsigned cases properly */
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	if ((parser->global.logical_minimum < 0 &&
		parser->global.logical_maximum <
		parser->global.logical_minimum) ||
		(parser->global.logical_minimum >= 0 &&
		(__u32)parser->global.logical_maximum <
		(__u32)parser->global.logical_minimum)) {
		dbg_hid("logical range invalid 0x%x 0x%x\n",
			parser->global.logical_minimum,
			parser->global.logical_maximum);
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		return -1;
	}

	offset = report->size;
	report->size += parser->global.report_size * parser->global.report_count;

	if (!parser->local.usage_index) /* Ignore padding fields */
		return 0;

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	usages = max_t(unsigned, parser->local.usage_index,
				 parser->global.report_count);
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	field = hid_register_field(report, usages, parser->global.report_count);
	if (!field)
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		return 0;

	field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
	field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
	field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);

	for (i = 0; i < usages; i++) {
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		unsigned j = i;
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		/* Duplicate the last usage we parsed if we have excess values */
		if (i >= parser->local.usage_index)
			j = parser->local.usage_index - 1;
		field->usage[i].hid = parser->local.usage[j];
		field->usage[i].collection_index =
			parser->local.collection_index[j];
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		field->usage[i].usage_index = i;
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	}

	field->maxusage = usages;
	field->flags = flags;
	field->report_offset = offset;
	field->report_type = report_type;
	field->report_size = parser->global.report_size;
	field->report_count = parser->global.report_count;
	field->logical_minimum = parser->global.logical_minimum;
	field->logical_maximum = parser->global.logical_maximum;
	field->physical_minimum = parser->global.physical_minimum;
	field->physical_maximum = parser->global.physical_maximum;
	field->unit_exponent = parser->global.unit_exponent;
	field->unit = parser->global.unit;

	return 0;
}

/*
 * Read data value from item.
 */

static u32 item_udata(struct hid_item *item)
{
	switch (item->size) {
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	case 1: return item->data.u8;
	case 2: return item->data.u16;
	case 4: return item->data.u32;
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	}
	return 0;
}

static s32 item_sdata(struct hid_item *item)
{
	switch (item->size) {
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	case 1: return item->data.s8;
	case 2: return item->data.s16;
	case 4: return item->data.s32;
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	}
	return 0;
}

/*
 * Process a global item.
 */

static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
{
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	__s32 raw_value;
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	switch (item->tag) {
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	case HID_GLOBAL_ITEM_TAG_PUSH:
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		if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
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			hid_err(parser->device, "global environment stack overflow\n");
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			return -1;
		}
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		memcpy(parser->global_stack + parser->global_stack_ptr++,
			&parser->global, sizeof(struct hid_global));
		return 0;
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	case HID_GLOBAL_ITEM_TAG_POP:
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		if (!parser->global_stack_ptr) {
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			hid_err(parser->device, "global environment stack underflow\n");
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			return -1;
		}
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		memcpy(&parser->global, parser->global_stack +
			--parser->global_stack_ptr, sizeof(struct hid_global));
		return 0;
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	case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
		parser->global.usage_page = item_udata(item);
		return 0;
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	case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
		parser->global.logical_minimum = item_sdata(item);
		return 0;
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	case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
		if (parser->global.logical_minimum < 0)
			parser->global.logical_maximum = item_sdata(item);
		else
			parser->global.logical_maximum = item_udata(item);
		return 0;
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	case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
		parser->global.physical_minimum = item_sdata(item);
		return 0;
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	case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
		if (parser->global.physical_minimum < 0)
			parser->global.physical_maximum = item_sdata(item);
		else
			parser->global.physical_maximum = item_udata(item);
		return 0;
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	case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
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		/* Many devices provide unit exponent as a two's complement
		 * nibble due to the common misunderstanding of HID
		 * specification 1.11, 6.2.2.7 Global Items. Attempt to handle
		 * both this and the standard encoding. */
		raw_value = item_sdata(item);
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		if (!(raw_value & 0xfffffff0))
			parser->global.unit_exponent = hid_snto32(raw_value, 4);
		else
			parser->global.unit_exponent = raw_value;
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		return 0;
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	case HID_GLOBAL_ITEM_TAG_UNIT:
		parser->global.unit = item_udata(item);
		return 0;
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	case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
		parser->global.report_size = item_udata(item);
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		if (parser->global.report_size > 128) {
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			hid_err(parser->device, "invalid report_size %d\n",
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					parser->global.report_size);
			return -1;
		}
		return 0;
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	case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
		parser->global.report_count = item_udata(item);
		if (parser->global.report_count > HID_MAX_USAGES) {
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			hid_err(parser->device, "invalid report_count %d\n",
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					parser->global.report_count);
			return -1;
		}
		return 0;
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	case HID_GLOBAL_ITEM_TAG_REPORT_ID:
		parser->global.report_id = item_udata(item);
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		if (parser->global.report_id == 0 ||
		    parser->global.report_id >= HID_MAX_IDS) {
			hid_err(parser->device, "report_id %u is invalid\n",
				parser->global.report_id);
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			return -1;
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		}
		return 0;

	default:
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		hid_err(parser->device, "unknown global tag 0x%x\n", item->tag);
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		return -1;
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	}
}

/*
 * Process a local item.
 */

static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
{
	__u32 data;
	unsigned n;
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	__u32 count;
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	data = item_udata(item);

	switch (item->tag) {
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	case HID_LOCAL_ITEM_TAG_DELIMITER:

		if (data) {
			/*
			 * We treat items before the first delimiter
			 * as global to all usage sets (branch 0).
			 * In the moment we process only these global
			 * items and the first delimiter set.
			 */
			if (parser->local.delimiter_depth != 0) {
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				hid_err(parser->device, "nested delimiters\n");
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				return -1;
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			}
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			parser->local.delimiter_depth++;
			parser->local.delimiter_branch++;
		} else {
			if (parser->local.delimiter_depth < 1) {
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				hid_err(parser->device, "bogus close delimiter\n");
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				return -1;
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			}
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			parser->local.delimiter_depth--;
		}
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		return 0;
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	case HID_LOCAL_ITEM_TAG_USAGE:
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		if (parser->local.delimiter_branch > 1) {
			dbg_hid("alternative usage ignored\n");
			return 0;
		}
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		if (item->size <= 2)
			data = (parser->global.usage_page << 16) + data;
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		return hid_add_usage(parser, data);
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	case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
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		if (parser->local.delimiter_branch > 1) {
			dbg_hid("alternative usage ignored\n");
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			return 0;
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		}
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		if (item->size <= 2)
			data = (parser->global.usage_page << 16) + data;
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		parser->local.usage_minimum = data;
		return 0;
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	case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
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		if (parser->local.delimiter_branch > 1) {
			dbg_hid("alternative usage ignored\n");
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			return 0;
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		}
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		if (item->size <= 2)
			data = (parser->global.usage_page << 16) + data;
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		count = data - parser->local.usage_minimum;
		if (count + parser->local.usage_index >= HID_MAX_USAGES) {
			/*
			 * We do not warn if the name is not set, we are
			 * actually pre-scanning the device.
			 */
			if (dev_name(&parser->device->dev))
				hid_warn(parser->device,
					 "ignoring exceeding usage max\n");
			data = HID_MAX_USAGES - parser->local.usage_index +
				parser->local.usage_minimum - 1;
			if (data <= 0) {
				hid_err(parser->device,
					"no more usage index available\n");
				return -1;
			}
		}

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		for (n = parser->local.usage_minimum; n <= data; n++)
			if (hid_add_usage(parser, n)) {
				dbg_hid("hid_add_usage failed\n");
				return -1;
			}
		return 0;

	default:

		dbg_hid("unknown local item tag 0x%x\n", item->tag);
		return 0;
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	}
	return 0;
}

/*
 * Process a main item.
 */

static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
{
	__u32 data;
	int ret;

	data = item_udata(item);

	switch (item->tag) {
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	case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
		ret = open_collection(parser, data & 0xff);
		break;
	case HID_MAIN_ITEM_TAG_END_COLLECTION:
		ret = close_collection(parser);
		break;
	case HID_MAIN_ITEM_TAG_INPUT:
		ret = hid_add_field(parser, HID_INPUT_REPORT, data);
		break;
	case HID_MAIN_ITEM_TAG_OUTPUT:
		ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
		break;
	case HID_MAIN_ITEM_TAG_FEATURE:
		ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
		break;
	default:
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		hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag);
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		ret = 0;
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	}

	memset(&parser->local, 0, sizeof(parser->local));	/* Reset the local parser environment */

	return ret;
}

/*
 * Process a reserved item.
 */

static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
{
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	dbg_hid("reserved item type, tag 0x%x\n", item->tag);
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	return 0;
}

/*
 * Free a report and all registered fields. The field->usage and
 * field->value table's are allocated behind the field, so we need
 * only to free(field) itself.
 */

static void hid_free_report(struct hid_report *report)
{
	unsigned n;

	for (n = 0; n < report->maxfield; n++)
		kfree(report->field[n]);
	kfree(report);
}

/*
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 * Close report. This function returns the device
 * state to the point prior to hid_open_report().
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 */
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static void hid_close_report(struct hid_device *device)
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{
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	unsigned i, j;
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	for (i = 0; i < HID_REPORT_TYPES; i++) {
		struct hid_report_enum *report_enum = device->report_enum + i;

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		for (j = 0; j < HID_MAX_IDS; j++) {
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			struct hid_report *report = report_enum->report_id_hash[j];
			if (report)
				hid_free_report(report);
		}
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		memset(report_enum, 0, sizeof(*report_enum));
		INIT_LIST_HEAD(&report_enum->report_list);
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	}

	kfree(device->rdesc);
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	device->rdesc = NULL;
	device->rsize = 0;

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	kfree(device->collection);
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	device->collection = NULL;
	device->collection_size = 0;
	device->maxcollection = 0;
	device->maxapplication = 0;

	device->status &= ~HID_STAT_PARSED;
}

/*
 * Free a device structure, all reports, and all fields.
 */

static void hid_device_release(struct device *dev)
{
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	struct hid_device *hid = to_hid_device(dev);
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	hid_close_report(hid);
	kfree(hid->dev_rdesc);
	kfree(hid);
633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673
}

/*
 * Fetch a report description item from the data stream. We support long
 * items, though they are not used yet.
 */

static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
{
	u8 b;

	if ((end - start) <= 0)
		return NULL;

	b = *start++;

	item->type = (b >> 2) & 3;
	item->tag  = (b >> 4) & 15;

	if (item->tag == HID_ITEM_TAG_LONG) {

		item->format = HID_ITEM_FORMAT_LONG;

		if ((end - start) < 2)
			return NULL;

		item->size = *start++;
		item->tag  = *start++;

		if ((end - start) < item->size)
			return NULL;

		item->data.longdata = start;
		start += item->size;
		return start;
	}

	item->format = HID_ITEM_FORMAT_SHORT;
	item->size = b & 3;

	switch (item->size) {
J
Jiri Slaby 已提交
674 675
	case 0:
		return start;
676

J
Jiri Slaby 已提交
677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696
	case 1:
		if ((end - start) < 1)
			return NULL;
		item->data.u8 = *start++;
		return start;

	case 2:
		if ((end - start) < 2)
			return NULL;
		item->data.u16 = get_unaligned_le16(start);
		start = (__u8 *)((__le16 *)start + 1);
		return start;

	case 3:
		item->size++;
		if ((end - start) < 4)
			return NULL;
		item->data.u32 = get_unaligned_le32(start);
		start = (__u8 *)((__le32 *)start + 1);
		return start;
697 698 699 700 701
	}

	return NULL;
}

702
static void hid_scan_input_usage(struct hid_parser *parser, u32 usage)
703
{
704 705
	struct hid_device *hid = parser->device;

706 707
	if (usage == HID_DG_CONTACTID)
		hid->group = HID_GROUP_MULTITOUCH;
708 709
}

710 711 712 713 714 715 716
static void hid_scan_feature_usage(struct hid_parser *parser, u32 usage)
{
	if (usage == 0xff0000c5 && parser->global.report_count == 256 &&
	    parser->global.report_size == 8)
		parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8;
}

717 718 719
static void hid_scan_collection(struct hid_parser *parser, unsigned type)
{
	struct hid_device *hid = parser->device;
720
	int i;
721 722 723 724

	if (((parser->global.usage_page << 16) == HID_UP_SENSOR) &&
	    type == HID_COLLECTION_PHYSICAL)
		hid->group = HID_GROUP_SENSOR_HUB;
725 726

	if (hid->vendor == USB_VENDOR_ID_MICROSOFT &&
727
	    (hid->product == USB_DEVICE_ID_MS_TYPE_COVER_PRO_3 ||
728
	     hid->product == USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_2 ||
729 730
	     hid->product == USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_JP ||
	     hid->product == USB_DEVICE_ID_MS_TYPE_COVER_3 ||
731
	     hid->product == USB_DEVICE_ID_MS_POWER_COVER) &&
732 733
	    hid->group == HID_GROUP_MULTITOUCH)
		hid->group = HID_GROUP_GENERIC;
734 735 736 737 738 739 740 741

	if ((parser->global.usage_page << 16) == HID_UP_GENDESK)
		for (i = 0; i < parser->local.usage_index; i++)
			if (parser->local.usage[i] == HID_GD_POINTER)
				parser->scan_flags |= HID_SCAN_FLAG_GD_POINTER;

	if ((parser->global.usage_page << 16) >= HID_UP_MSVENDOR)
		parser->scan_flags |= HID_SCAN_FLAG_VENDOR_SPECIFIC;
742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757
}

static int hid_scan_main(struct hid_parser *parser, struct hid_item *item)
{
	__u32 data;
	int i;

	data = item_udata(item);

	switch (item->tag) {
	case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
		hid_scan_collection(parser, data & 0xff);
		break;
	case HID_MAIN_ITEM_TAG_END_COLLECTION:
		break;
	case HID_MAIN_ITEM_TAG_INPUT:
758 759 760
		/* ignore constant inputs, they will be ignored by hid-input */
		if (data & HID_MAIN_ITEM_CONSTANT)
			break;
761 762 763 764 765 766
		for (i = 0; i < parser->local.usage_index; i++)
			hid_scan_input_usage(parser, parser->local.usage[i]);
		break;
	case HID_MAIN_ITEM_TAG_OUTPUT:
		break;
	case HID_MAIN_ITEM_TAG_FEATURE:
767 768
		for (i = 0; i < parser->local.usage_index; i++)
			hid_scan_feature_usage(parser, parser->local.usage[i]);
769 770 771 772 773 774 775 776 777
		break;
	}

	/* Reset the local parser environment */
	memset(&parser->local, 0, sizeof(parser->local));

	return 0;
}

778 779 780 781 782 783 784
/*
 * Scan a report descriptor before the device is added to the bus.
 * Sets device groups and other properties that determine what driver
 * to load.
 */
static int hid_scan_report(struct hid_device *hid)
{
785 786
	struct hid_parser *parser;
	struct hid_item item;
787 788
	__u8 *start = hid->dev_rdesc;
	__u8 *end = start + hid->dev_rsize;
789 790 791 792 793 794 795 796 797 798 799
	static int (*dispatch_type[])(struct hid_parser *parser,
				      struct hid_item *item) = {
		hid_scan_main,
		hid_parser_global,
		hid_parser_local,
		hid_parser_reserved
	};

	parser = vzalloc(sizeof(struct hid_parser));
	if (!parser)
		return -ENOMEM;
800

801
	parser->device = hid;
802 803
	hid->group = HID_GROUP_GENERIC;

804 805 806 807 808 809 810 811
	/*
	 * The parsing is simpler than the one in hid_open_report() as we should
	 * be robust against hid errors. Those errors will be raised by
	 * hid_open_report() anyway.
	 */
	while ((start = fetch_item(start, end, &item)) != NULL)
		dispatch_type[item.type](parser, &item);

812 813 814 815 816 817 818
	/*
	 * Handle special flags set during scanning.
	 */
	if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) &&
	    (hid->group == HID_GROUP_MULTITOUCH))
		hid->group = HID_GROUP_MULTITOUCH_WIN_8;

819 820 821 822 823 824 825
	/*
	 * Vendor specific handlings
	 */
	switch (hid->vendor) {
	case USB_VENDOR_ID_WACOM:
		hid->group = HID_GROUP_WACOM;
		break;
826
	case USB_VENDOR_ID_SYNAPTICS:
827 828 829 830 831 832 833 834
		if (hid->group == HID_GROUP_GENERIC)
			if ((parser->scan_flags & HID_SCAN_FLAG_VENDOR_SPECIFIC)
			    && (parser->scan_flags & HID_SCAN_FLAG_GD_POINTER))
				/*
				 * hid-rmi should take care of them,
				 * not hid-generic
				 */
				hid->group = HID_GROUP_RMI;
835
		break;
836 837
	}

838
	vfree(parser);
839 840 841
	return 0;
}

J
Jiri Slaby 已提交
842 843 844 845 846 847 848
/**
 * hid_parse_report - parse device report
 *
 * @device: hid device
 * @start: report start
 * @size: report size
 *
849 850 851 852 853 854 855 856 857 858 859 860 861
 * Allocate the device report as read by the bus driver. This function should
 * only be called from parse() in ll drivers.
 */
int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size)
{
	hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL);
	if (!hid->dev_rdesc)
		return -ENOMEM;
	hid->dev_rsize = size;
	return 0;
}
EXPORT_SYMBOL_GPL(hid_parse_report);

862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900
static const char * const hid_report_names[] = {
	"HID_INPUT_REPORT",
	"HID_OUTPUT_REPORT",
	"HID_FEATURE_REPORT",
};
/**
 * hid_validate_values - validate existing device report's value indexes
 *
 * @device: hid device
 * @type: which report type to examine
 * @id: which report ID to examine (0 for first)
 * @field_index: which report field to examine
 * @report_counts: expected number of values
 *
 * Validate the number of values in a given field of a given report, after
 * parsing.
 */
struct hid_report *hid_validate_values(struct hid_device *hid,
				       unsigned int type, unsigned int id,
				       unsigned int field_index,
				       unsigned int report_counts)
{
	struct hid_report *report;

	if (type > HID_FEATURE_REPORT) {
		hid_err(hid, "invalid HID report type %u\n", type);
		return NULL;
	}

	if (id >= HID_MAX_IDS) {
		hid_err(hid, "invalid HID report id %u\n", id);
		return NULL;
	}

	/*
	 * Explicitly not using hid_get_report() here since it depends on
	 * ->numbered being checked, which may not always be the case when
	 * drivers go to access report values.
	 */
901 902 903 904 905 906 907 908 909 910 911
	if (id == 0) {
		/*
		 * Validating on id 0 means we should examine the first
		 * report in the list.
		 */
		report = list_entry(
				hid->report_enum[type].report_list.next,
				struct hid_report, list);
	} else {
		report = hid->report_enum[type].report_id_hash[id];
	}
912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929
	if (!report) {
		hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
		return NULL;
	}
	if (report->maxfield <= field_index) {
		hid_err(hid, "not enough fields in %s %u\n",
			hid_report_names[type], id);
		return NULL;
	}
	if (report->field[field_index]->report_count < report_counts) {
		hid_err(hid, "not enough values in %s %u field %u\n",
			hid_report_names[type], id, field_index);
		return NULL;
	}
	return report;
}
EXPORT_SYMBOL_GPL(hid_validate_values);

930 931 932 933 934
/**
 * hid_open_report - open a driver-specific device report
 *
 * @device: hid device
 *
935 936
 * Parse a report description into a hid_device structure. Reports are
 * enumerated, fields are attached to these reports.
J
Jiri Slaby 已提交
937
 * 0 returned on success, otherwise nonzero error value.
938 939 940
 *
 * This function (or the equivalent hid_parse() macro) should only be
 * called from probe() in drivers, before starting the device.
941
 */
942
int hid_open_report(struct hid_device *device)
943 944 945
{
	struct hid_parser *parser;
	struct hid_item item;
946 947
	unsigned int size;
	__u8 *start;
948
	__u8 *buf;
949
	__u8 *end;
J
Jiri Slaby 已提交
950
	int ret;
951 952 953 954 955 956 957 958
	static int (*dispatch_type[])(struct hid_parser *parser,
				      struct hid_item *item) = {
		hid_parser_main,
		hid_parser_global,
		hid_parser_local,
		hid_parser_reserved
	};

959 960 961 962 963 964 965 966
	if (WARN_ON(device->status & HID_STAT_PARSED))
		return -EBUSY;

	start = device->dev_rdesc;
	if (WARN_ON(!start))
		return -ENODEV;
	size = device->dev_rsize;

967 968 969 970
	buf = kmemdup(start, size, GFP_KERNEL);
	if (buf == NULL)
		return -ENOMEM;

J
Jiri Slaby 已提交
971
	if (device->driver->report_fixup)
972 973 974
		start = device->driver->report_fixup(device, buf, &size);
	else
		start = buf;
J
Jiri Slaby 已提交
975

976 977 978
	start = kmemdup(start, size, GFP_KERNEL);
	kfree(buf);
	if (start == NULL)
J
Jiri Slaby 已提交
979
		return -ENOMEM;
980 981

	device->rdesc = start;
982 983
	device->rsize = size;

984
	parser = vzalloc(sizeof(struct hid_parser));
J
Jiri Slaby 已提交
985 986 987
	if (!parser) {
		ret = -ENOMEM;
		goto err;
988
	}
J
Jiri Slaby 已提交
989

990 991 992
	parser->device = device;

	end = start + size;
993 994 995 996 997 998 999 1000 1001

	device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
				     sizeof(struct hid_collection), GFP_KERNEL);
	if (!device->collection) {
		ret = -ENOMEM;
		goto err;
	}
	device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;

J
Jiri Slaby 已提交
1002
	ret = -EINVAL;
1003 1004 1005
	while ((start = fetch_item(start, end, &item)) != NULL) {

		if (item.format != HID_ITEM_FORMAT_SHORT) {
1006
			hid_err(device, "unexpected long global item\n");
J
Jiri Slaby 已提交
1007
			goto err;
1008 1009 1010
		}

		if (dispatch_type[item.type](parser, &item)) {
1011
			hid_err(device, "item %u %u %u %u parsing failed\n",
1012 1013
				item.format, (unsigned)item.size,
				(unsigned)item.type, (unsigned)item.tag);
J
Jiri Slaby 已提交
1014
			goto err;
1015 1016 1017 1018
		}

		if (start == end) {
			if (parser->collection_stack_ptr) {
1019
				hid_err(device, "unbalanced collection at end of report description\n");
J
Jiri Slaby 已提交
1020
				goto err;
1021 1022
			}
			if (parser->local.delimiter_depth) {
1023
				hid_err(device, "unbalanced delimiter at end of report description\n");
J
Jiri Slaby 已提交
1024
				goto err;
1025
			}
1026
			vfree(parser);
1027
			device->status |= HID_STAT_PARSED;
J
Jiri Slaby 已提交
1028
			return 0;
1029 1030 1031
		}
	}

1032
	hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
J
Jiri Slaby 已提交
1033
err:
1034
	vfree(parser);
1035
	hid_close_report(device);
J
Jiri Slaby 已提交
1036
	return ret;
1037
}
1038
EXPORT_SYMBOL_GPL(hid_open_report);
1039 1040 1041 1042 1043 1044 1045 1046 1047 1048

/*
 * Convert a signed n-bit integer to signed 32-bit integer. Common
 * cases are done through the compiler, the screwed things has to be
 * done by hand.
 */

static s32 snto32(__u32 value, unsigned n)
{
	switch (n) {
J
Jiri Slaby 已提交
1049 1050 1051
	case 8:  return ((__s8)value);
	case 16: return ((__s16)value);
	case 32: return ((__s32)value);
1052 1053 1054 1055
	}
	return value & (1 << (n - 1)) ? value | (-1 << n) : value;
}

1056 1057 1058 1059 1060 1061
s32 hid_snto32(__u32 value, unsigned n)
{
	return snto32(value, n);
}
EXPORT_SYMBOL_GPL(hid_snto32);

1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077
/*
 * Convert a signed 32-bit integer to a signed n-bit integer.
 */

static u32 s32ton(__s32 value, unsigned n)
{
	s32 a = value >> (n - 1);
	if (a && a != -1)
		return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
	return value & ((1 << n) - 1);
}

/*
 * Extract/implement a data field from/to a little endian report (bit array).
 *
 * Code sort-of follows HID spec:
1078
 *     http://www.usb.org/developers/hidpage/HID1_11.pdf
1079 1080 1081 1082 1083 1084 1085
 *
 * While the USB HID spec allows unlimited length bit fields in "report
 * descriptors", most devices never use more than 16 bits.
 * One model of UPS is claimed to report "LINEV" as a 32-bit field.
 * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
 */

1086
static u32 __extract(u8 *report, unsigned offset, int n)
1087
{
1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105
	unsigned int idx = offset / 8;
	unsigned int bit_nr = 0;
	unsigned int bit_shift = offset % 8;
	int bits_to_copy = 8 - bit_shift;
	u32 value = 0;
	u32 mask = n < 32 ? (1U << n) - 1 : ~0U;

	while (n > 0) {
		value |= ((u32)report[idx] >> bit_shift) << bit_nr;
		n -= bits_to_copy;
		bit_nr += bits_to_copy;
		bits_to_copy = 8;
		bit_shift = 0;
		idx++;
	}

	return value & mask;
}
1106

1107 1108 1109 1110
u32 hid_field_extract(const struct hid_device *hid, u8 *report,
			unsigned offset, unsigned n)
{
	if (n > 32) {
1111
		hid_warn(hid, "hid_field_extract() called with n (%d) > 32! (%s)\n",
1112
			 n, current->comm);
1113 1114
		n = 32;
	}
1115

1116
	return __extract(report, offset, n);
1117
}
1118
EXPORT_SYMBOL_GPL(hid_field_extract);
1119 1120 1121 1122 1123 1124 1125

/*
 * "implement" : set bits in a little endian bit stream.
 * Same concepts as "extract" (see comments above).
 * The data mangled in the bit stream remains in little endian
 * order the whole time. It make more sense to talk about
 * endianness of register values by considering a register
1126
 * a "cached" copy of the little endian bit stream.
1127
 */
1128 1129 1130 1131 1132 1133 1134 1135

static void __implement(u8 *report, unsigned offset, int n, u32 value)
{
	unsigned int idx = offset / 8;
	unsigned int bit_shift = offset % 8;
	int bits_to_set = 8 - bit_shift;

	while (n - bits_to_set >= 0) {
1136
		report[idx] &= ~(0xff << bit_shift);
1137 1138 1139 1140 1141 1142 1143 1144 1145 1146
		report[idx] |= value << bit_shift;
		value >>= bits_to_set;
		n -= bits_to_set;
		bits_to_set = 8;
		bit_shift = 0;
		idx++;
	}

	/* last nibble */
	if (n) {
1147 1148 1149
		u8 bit_mask = ((1U << n) - 1);
		report[idx] &= ~(bit_mask << bit_shift);
		report[idx] |= value << bit_shift;
1150 1151 1152 1153 1154
	}
}

static void implement(const struct hid_device *hid, u8 *report,
		      unsigned offset, unsigned n, u32 value)
1155
{
1156
	if (unlikely(n > 32)) {
1157 1158
		hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
			 __func__, n, current->comm);
1159
		n = 32;
1160 1161 1162 1163 1164 1165 1166 1167 1168 1169
	} else if (n < 32) {
		u32 m = (1U << n) - 1;

		if (unlikely(value > m)) {
			hid_warn(hid,
				 "%s() called with too large value %d (n: %d)! (%s)\n",
				 __func__, value, n, current->comm);
			WARN_ON(1);
			value &= m;
		}
1170
	}
1171

1172
	__implement(report, offset, n, value);
1173 1174 1175 1176 1177 1178
}

/*
 * Search an array for a value.
 */

J
Joe Perches 已提交
1179
static int search(__s32 *array, __s32 value, unsigned n)
1180 1181 1182 1183 1184 1185 1186 1187
{
	while (n--) {
		if (*array++ == value)
			return 0;
	}
	return -1;
}

J
Jiri Slaby 已提交
1188 1189 1190 1191 1192 1193 1194 1195 1196
/**
 * hid_match_report - check if driver's raw_event should be called
 *
 * @hid: hid device
 * @report_type: type to match against
 *
 * compare hid->driver->report_table->report_type to report->type
 */
static int hid_match_report(struct hid_device *hid, struct hid_report *report)
1197
{
J
Jiri Slaby 已提交
1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242
	const struct hid_report_id *id = hid->driver->report_table;

	if (!id) /* NULL means all */
		return 1;

	for (; id->report_type != HID_TERMINATOR; id++)
		if (id->report_type == HID_ANY_ID ||
				id->report_type == report->type)
			return 1;
	return 0;
}

/**
 * hid_match_usage - check if driver's event should be called
 *
 * @hid: hid device
 * @usage: usage to match against
 *
 * compare hid->driver->usage_table->usage_{type,code} to
 * usage->usage_{type,code}
 */
static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
{
	const struct hid_usage_id *id = hid->driver->usage_table;

	if (!id) /* NULL means all */
		return 1;

	for (; id->usage_type != HID_ANY_ID - 1; id++)
		if ((id->usage_hid == HID_ANY_ID ||
				id->usage_hid == usage->hid) &&
				(id->usage_type == HID_ANY_ID ||
				id->usage_type == usage->type) &&
				(id->usage_code == HID_ANY_ID ||
				 id->usage_code == usage->code))
			return 1;
	return 0;
}

static void hid_process_event(struct hid_device *hid, struct hid_field *field,
		struct hid_usage *usage, __s32 value, int interrupt)
{
	struct hid_driver *hdrv = hid->driver;
	int ret;

1243 1244
	if (!list_empty(&hid->debug_list))
		hid_dump_input(hid, usage, value);
J
Jiri Slaby 已提交
1245 1246 1247 1248 1249

	if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
		ret = hdrv->event(hid, field, usage, value);
		if (ret != 0) {
			if (ret < 0)
1250
				hid_err(hid, "%s's event failed with %d\n",
J
Jiri Slaby 已提交
1251 1252 1253 1254 1255
						hdrv->name, ret);
			return;
		}
	}

1256 1257
	if (hid->claimed & HID_CLAIMED_INPUT)
		hidinput_hid_event(hid, field, usage, value);
J
Jiri Kosina 已提交
1258 1259
	if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
		hid->hiddev_hid_event(hid, field, usage, value);
1260 1261 1262 1263 1264 1265 1266 1267
}

/*
 * Analyse a received field, and fetch the data from it. The field
 * content is stored for next report processing (we do differential
 * reporting to the layer).
 */

1268 1269
static void hid_input_field(struct hid_device *hid, struct hid_field *field,
			    __u8 *data, int interrupt)
1270 1271 1272 1273 1274 1275 1276 1277 1278
{
	unsigned n;
	unsigned count = field->report_count;
	unsigned offset = field->report_offset;
	unsigned size = field->report_size;
	__s32 min = field->logical_minimum;
	__s32 max = field->logical_maximum;
	__s32 *value;

J
Joe Perches 已提交
1279 1280
	value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
	if (!value)
1281 1282 1283 1284
		return;

	for (n = 0; n < count; n++) {

1285
		value[n] = min < 0 ?
1286 1287 1288
			snto32(hid_field_extract(hid, data, offset + n * size,
			       size), size) :
			hid_field_extract(hid, data, offset + n * size, size);
1289

1290 1291 1292
		/* Ignore report if ErrorRollOver */
		if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
		    value[n] >= min && value[n] <= max &&
1293
		    value[n] - min < field->maxusage &&
1294 1295
		    field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
			goto exit;
1296 1297 1298 1299 1300 1301 1302 1303 1304 1305
	}

	for (n = 0; n < count; n++) {

		if (HID_MAIN_ITEM_VARIABLE & field->flags) {
			hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
			continue;
		}

		if (field->value[n] >= min && field->value[n] <= max
1306
			&& field->value[n] - min < field->maxusage
1307 1308 1309 1310 1311
			&& field->usage[field->value[n] - min].hid
			&& search(value, field->value[n], count))
				hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);

		if (value[n] >= min && value[n] <= max
1312
			&& value[n] - min < field->maxusage
1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326
			&& field->usage[value[n] - min].hid
			&& search(field->value, value[n], count))
				hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
	}

	memcpy(field->value, value, count * sizeof(__s32));
exit:
	kfree(value);
}

/*
 * Output the field into the report.
 */

1327 1328
static void hid_output_field(const struct hid_device *hid,
			     struct hid_field *field, __u8 *data)
1329 1330 1331 1332 1333 1334 1335 1336
{
	unsigned count = field->report_count;
	unsigned offset = field->report_offset;
	unsigned size = field->report_size;
	unsigned n;

	for (n = 0; n < count; n++) {
		if (field->logical_minimum < 0)	/* signed values */
1337 1338
			implement(hid, data, offset + n * size, size,
				  s32ton(field->value[n], size));
1339
		else				/* unsigned values */
1340 1341
			implement(hid, data, offset + n * size, size,
				  field->value[n]);
1342 1343 1344 1345
	}
}

/*
1346 1347
 * Create a report. 'data' has to be allocated using
 * hid_alloc_report_buf() so that it has proper size.
1348 1349
 */

J
Jiri Kosina 已提交
1350
void hid_output_report(struct hid_report *report, __u8 *data)
1351 1352 1353 1354 1355 1356
{
	unsigned n;

	if (report->id > 0)
		*data++ = report->id;

1357
	memset(data, 0, ((report->size - 1) >> 3) + 1);
1358
	for (n = 0; n < report->maxfield; n++)
1359
		hid_output_field(report->device, report->field[n], data);
1360
}
J
Jiri Kosina 已提交
1361
EXPORT_SYMBOL_GPL(hid_output_report);
1362

1363 1364 1365 1366 1367 1368 1369 1370 1371 1372
/*
 * Allocator for buffer that is going to be passed to hid_output_report()
 */
u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
{
	/*
	 * 7 extra bytes are necessary to achieve proper functionality
	 * of implement() working on 8 byte chunks
	 */

1373
	int len = hid_report_len(report) + 7;
1374 1375 1376 1377 1378

	return kmalloc(len, flags);
}
EXPORT_SYMBOL_GPL(hid_alloc_report_buf);

1379 1380 1381 1382 1383 1384 1385 1386
/*
 * Set a field value. The report this field belongs to has to be
 * created and transferred to the device, to set this value in the
 * device.
 */

int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
{
1387 1388 1389 1390 1391 1392
	unsigned size;

	if (!field)
		return -1;

	size = field->report_size;
1393

1394
	hid_dump_input(field->report->device, field->usage + offset, value);
1395 1396

	if (offset >= field->report_count) {
1397 1398
		hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
				offset, field->report_count);
1399 1400 1401 1402
		return -1;
	}
	if (field->logical_minimum < 0) {
		if (value != snto32(s32ton(value, size), size)) {
1403
			hid_err(field->report->device, "value %d is out of range\n", value);
1404 1405 1406 1407 1408 1409
			return -1;
		}
	}
	field->value[offset] = value;
	return 0;
}
J
Jiri Kosina 已提交
1410
EXPORT_SYMBOL_GPL(hid_set_field);
1411

J
Jiri Slaby 已提交
1412 1413
static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
		const u8 *data)
1414 1415
{
	struct hid_report *report;
J
Jiri Slaby 已提交
1416
	unsigned int n = 0;	/* Normally report number is 0 */
1417

J
Jiri Slaby 已提交
1418 1419 1420
	/* Device uses numbered reports, data[0] is report number */
	if (report_enum->numbered)
		n = *data;
1421

J
Jiri Slaby 已提交
1422 1423 1424
	report = report_enum->report_id_hash[n];
	if (report == NULL)
		dbg_hid("undefined report_id %u received\n", n);
1425

J
Jiri Slaby 已提交
1426 1427
	return report;
}
1428

1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463
/*
 * Implement a generic .request() callback, using .raw_request()
 * DO NOT USE in hid drivers directly, but through hid_hw_request instead.
 */
void __hid_request(struct hid_device *hid, struct hid_report *report,
		int reqtype)
{
	char *buf;
	int ret;
	int len;

	buf = hid_alloc_report_buf(report, GFP_KERNEL);
	if (!buf)
		return;

	len = hid_report_len(report);

	if (reqtype == HID_REQ_SET_REPORT)
		hid_output_report(report, buf);

	ret = hid->ll_driver->raw_request(hid, report->id, buf, len,
					  report->type, reqtype);
	if (ret < 0) {
		dbg_hid("unable to complete request: %d\n", ret);
		goto out;
	}

	if (reqtype == HID_REQ_GET_REPORT)
		hid_input_report(hid, report->type, buf, ret, 0);

out:
	kfree(buf);
}
EXPORT_SYMBOL_GPL(__hid_request);

1464
int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
J
Jiri Slaby 已提交
1465 1466 1467 1468
		int interrupt)
{
	struct hid_report_enum *report_enum = hid->report_enum + type;
	struct hid_report *report;
1469
	struct hid_driver *hdrv;
J
Jiri Slaby 已提交
1470 1471 1472
	unsigned int a;
	int rsize, csize = size;
	u8 *cdata = data;
1473
	int ret = 0;
1474

J
Jiri Slaby 已提交
1475 1476
	report = hid_get_report(report_enum, data);
	if (!report)
1477
		goto out;
1478

J
Jiri Slaby 已提交
1479 1480 1481
	if (report_enum->numbered) {
		cdata++;
		csize--;
1482 1483 1484 1485
	}

	rsize = ((report->size - 1) >> 3) + 1;

1486 1487 1488
	if (rsize > HID_MAX_BUFFER_SIZE)
		rsize = HID_MAX_BUFFER_SIZE;

J
Jiri Slaby 已提交
1489 1490 1491 1492
	if (csize < rsize) {
		dbg_hid("report %d is too short, (%d < %d)\n", report->id,
				csize, rsize);
		memset(cdata + csize, 0, rsize - csize);
1493 1494 1495 1496
	}

	if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
		hid->hiddev_report_event(hid, report);
1497 1498 1499 1500 1501
	if (hid->claimed & HID_CLAIMED_HIDRAW) {
		ret = hidraw_report_event(hid, data, size);
		if (ret)
			goto out;
	}
1502

1503
	if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) {
1504 1505
		for (a = 0; a < report->maxfield; a++)
			hid_input_field(hid, report->field[a], cdata, interrupt);
1506 1507 1508
		hdrv = hid->driver;
		if (hdrv && hdrv->report)
			hdrv->report(hid, report);
1509
	}
1510 1511 1512

	if (hid->claimed & HID_CLAIMED_INPUT)
		hidinput_report_event(hid, report);
1513 1514
out:
	return ret;
J
Jiri Slaby 已提交
1515 1516 1517 1518 1519 1520 1521 1522 1523 1524
}
EXPORT_SYMBOL_GPL(hid_report_raw_event);

/**
 * hid_input_report - report data from lower layer (usb, bt...)
 *
 * @hid: hid device
 * @type: HID report type (HID_*_REPORT)
 * @data: report contents
 * @size: size of data parameter
1525
 * @interrupt: distinguish between interrupt and control transfers
J
Jiri Slaby 已提交
1526 1527 1528 1529 1530
 *
 * This is data entry for lower layers.
 */
int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
{
1531 1532
	struct hid_report_enum *report_enum;
	struct hid_driver *hdrv;
J
Jiri Slaby 已提交
1533
	struct hid_report *report;
1534
	int ret = 0;
J
Jiri Slaby 已提交
1535

1536
	if (!hid)
J
Jiri Slaby 已提交
1537
		return -ENODEV;
1538

1539
	if (down_trylock(&hid->driver_input_lock))
1540 1541 1542 1543 1544 1545
		return -EBUSY;

	if (!hid->driver) {
		ret = -ENODEV;
		goto unlock;
	}
1546 1547
	report_enum = hid->report_enum + type;
	hdrv = hid->driver;
J
Jiri Slaby 已提交
1548 1549 1550

	if (!size) {
		dbg_hid("empty report\n");
1551 1552
		ret = -1;
		goto unlock;
J
Jiri Slaby 已提交
1553 1554
	}

1555
	/* Avoid unnecessary overhead if debugfs is disabled */
1556 1557
	if (!list_empty(&hid->debug_list))
		hid_dump_report(hid, type, data, size);
J
Jiri Slaby 已提交
1558

1559 1560
	report = hid_get_report(report_enum, data);

1561 1562 1563 1564
	if (!report) {
		ret = -1;
		goto unlock;
	}
J
Jiri Slaby 已提交
1565 1566 1567

	if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
		ret = hdrv->raw_event(hid, report, data, size);
1568
		if (ret < 0)
1569
			goto unlock;
J
Jiri Slaby 已提交
1570 1571
	}

1572
	ret = hid_report_raw_event(hid, type, data, size, interrupt);
1573

1574
unlock:
1575
	up(&hid->driver_input_lock);
1576
	return ret;
1577 1578 1579
}
EXPORT_SYMBOL_GPL(hid_input_report);

1580 1581 1582
static bool hid_match_one_id(struct hid_device *hdev,
		const struct hid_device_id *id)
{
1583
	return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
1584
		(id->group == HID_GROUP_ANY || id->group == hdev->group) &&
1585 1586 1587 1588
		(id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
		(id->product == HID_ANY_ID || id->product == hdev->product);
}

1589
const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1590 1591 1592 1593 1594 1595 1596 1597 1598 1599
		const struct hid_device_id *id)
{
	for (; id->bus; id++)
		if (hid_match_one_id(hdev, id))
			return id;

	return NULL;
}

static const struct hid_device_id hid_hiddev_list[] = {
1600 1601
	{ HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1602 1603 1604 1605 1606 1607 1608 1609
	{ }
};

static bool hid_hiddev(struct hid_device *hdev)
{
	return !!hid_match_id(hdev, hid_hiddev_list);
}

1610 1611 1612 1613 1614 1615

static ssize_t
read_report_descriptor(struct file *filp, struct kobject *kobj,
		struct bin_attribute *attr,
		char *buf, loff_t off, size_t count)
{
G
Geliang Tang 已提交
1616
	struct device *dev = kobj_to_dev(kobj);
G
Geliang Tang 已提交
1617
	struct hid_device *hdev = to_hid_device(dev);
1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629

	if (off >= hdev->rsize)
		return 0;

	if (off + count > hdev->rsize)
		count = hdev->rsize - off;

	memcpy(buf, hdev->rdesc + off, count);

	return count;
}

O
Olivier Gay 已提交
1630 1631 1632 1633
static ssize_t
show_country(struct device *dev, struct device_attribute *attr,
		char *buf)
{
G
Geliang Tang 已提交
1634
	struct hid_device *hdev = to_hid_device(dev);
O
Olivier Gay 已提交
1635 1636 1637 1638

	return sprintf(buf, "%02x\n", hdev->country & 0xff);
}

1639 1640 1641 1642 1643 1644
static struct bin_attribute dev_bin_attr_report_desc = {
	.attr = { .name = "report_descriptor", .mode = 0444 },
	.read = read_report_descriptor,
	.size = HID_MAX_DESCRIPTOR_SIZE,
};

O
Olivier Gay 已提交
1645 1646 1647 1648 1649
static struct device_attribute dev_attr_country = {
	.attr = { .name = "country", .mode = 0444 },
	.show = show_country,
};

J
Jiri Slaby 已提交
1650 1651 1652 1653 1654 1655 1656
int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
{
	static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
		"Joystick", "Gamepad", "Keyboard", "Keypad",
		"Multi-Axis Controller"
	};
	const char *type, *bus;
1657
	char buf[64] = "";
J
Jiri Slaby 已提交
1658 1659
	unsigned int i;
	int len;
1660
	int ret;
J
Jiri Slaby 已提交
1661

1662 1663
	if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
		connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
D
Daniel Mack 已提交
1664 1665
	if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
		connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
J
Jiri Slaby 已提交
1666 1667
	if (hdev->bus != BUS_USB)
		connect_mask &= ~HID_CONNECT_HIDDEV;
1668 1669
	if (hid_hiddev(hdev))
		connect_mask |= HID_CONNECT_HIDDEV_FORCE;
J
Jiri Slaby 已提交
1670 1671 1672 1673

	if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
				connect_mask & HID_CONNECT_HIDINPUT_FORCE))
		hdev->claimed |= HID_CLAIMED_INPUT;
1674

J
Jiri Slaby 已提交
1675 1676 1677 1678 1679 1680 1681
	if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
			!hdev->hiddev_connect(hdev,
				connect_mask & HID_CONNECT_HIDDEV_FORCE))
		hdev->claimed |= HID_CLAIMED_HIDDEV;
	if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
		hdev->claimed |= HID_CLAIMED_HIDRAW;

1682 1683 1684
	if (connect_mask & HID_CONNECT_DRIVER)
		hdev->claimed |= HID_CLAIMED_DRIVER;

1685 1686 1687 1688
	/* Drivers with the ->raw_event callback set are not required to connect
	 * to any other listener. */
	if (!hdev->claimed && !hdev->driver->raw_event) {
		hid_err(hdev, "device has no listeners, quitting\n");
J
Jiri Slaby 已提交
1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723
		return -ENODEV;
	}

	if ((hdev->claimed & HID_CLAIMED_INPUT) &&
			(connect_mask & HID_CONNECT_FF) && hdev->ff_init)
		hdev->ff_init(hdev);

	len = 0;
	if (hdev->claimed & HID_CLAIMED_INPUT)
		len += sprintf(buf + len, "input");
	if (hdev->claimed & HID_CLAIMED_HIDDEV)
		len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
				hdev->minor);
	if (hdev->claimed & HID_CLAIMED_HIDRAW)
		len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
				((struct hidraw *)hdev->hidraw)->minor);

	type = "Device";
	for (i = 0; i < hdev->maxcollection; i++) {
		struct hid_collection *col = &hdev->collection[i];
		if (col->type == HID_COLLECTION_APPLICATION &&
		   (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
		   (col->usage & 0xffff) < ARRAY_SIZE(types)) {
			type = types[col->usage & 0xffff];
			break;
		}
	}

	switch (hdev->bus) {
	case BUS_USB:
		bus = "USB";
		break;
	case BUS_BLUETOOTH:
		bus = "BLUETOOTH";
		break;
1724 1725 1726
	case BUS_I2C:
		bus = "I2C";
		break;
J
Jiri Slaby 已提交
1727 1728 1729 1730
	default:
		bus = "<UNKNOWN>";
	}

O
Olivier Gay 已提交
1731 1732 1733 1734 1735
	ret = device_create_file(&hdev->dev, &dev_attr_country);
	if (ret)
		hid_warn(hdev,
			 "can't create sysfs country code attribute err: %d\n", ret);

1736 1737 1738
	hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
		 buf, bus, hdev->version >> 8, hdev->version & 0xff,
		 type, hdev->name, hdev->phys);
J
Jiri Slaby 已提交
1739 1740 1741 1742 1743

	return 0;
}
EXPORT_SYMBOL_GPL(hid_connect);

1744 1745
void hid_disconnect(struct hid_device *hdev)
{
O
Olivier Gay 已提交
1746
	device_remove_file(&hdev->dev, &dev_attr_country);
1747 1748 1749 1750 1751 1752
	if (hdev->claimed & HID_CLAIMED_INPUT)
		hidinput_disconnect(hdev);
	if (hdev->claimed & HID_CLAIMED_HIDDEV)
		hdev->hiddev_disconnect(hdev);
	if (hdev->claimed & HID_CLAIMED_HIDRAW)
		hidraw_disconnect(hdev);
1753
	hdev->claimed = 0;
1754 1755 1756
}
EXPORT_SYMBOL_GPL(hid_disconnect);

1757 1758 1759 1760 1761 1762 1763
/*
 * A list of devices for which there is a specialized driver on HID bus.
 *
 * Please note that for multitouch devices (driven by hid-multitouch driver),
 * there is a proper autodetection and autoloading in place (based on presence
 * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
 * as we are doing the right thing in hid_scan_usage().
1764 1765 1766 1767
 *
 * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
 * physical is found inside a usage page of type sensor, hid-sensor-hub will be
 * used as a driver. See hid_scan_report().
1768
 */
1769
static const struct hid_device_id hid_have_special_driver[] = {
J
Jiri Slaby 已提交
1770 1771
	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1772
	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1773
	{ HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1774
	{ HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) },
M
Masaki Ota 已提交
1775
	{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_U1_DUAL) },
J
Jiri Slaby 已提交
1776
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1777
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
1778
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
J
Jiri Slaby 已提交
1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1790 1791 1792
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
J
Jiri Slaby 已提交
1793 1794 1795 1796 1797 1798
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1799 1800 1801 1802 1803
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) },
1804 1805 1806
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
J
Jiri Slaby 已提交
1807 1808 1809 1810 1811 1812
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1813 1814 1815
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1816 1817 1818 1819 1820 1821
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1822 1823 1824
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1825 1826 1827
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1828 1829 1830
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1831 1832 1833
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1834 1835 1836
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1837 1838 1839
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
1840 1841 1842
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
1843 1844 1845
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
1846 1847 1848
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
1849 1850 1851
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1852
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
1853
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1854
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) },
1855
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_ANSI) },
J
Jiri Slaby 已提交
1856 1857
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1858
	{ HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_NOTEBOOK_KEYBOARD) },
1859
	{ HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
J
Jiri Slaby 已提交
1860
	{ HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1861 1862 1863 1864
	{ HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185BFM, 0x2208) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185PC, 0x5506) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2PC, 0x1850) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2BFM, 0x5500) },
1865
	{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
1866
	{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
J
Jiri Slaby 已提交
1867
	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1868
	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
J
Jiri Slaby 已提交
1869
	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
1870
	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
1871
	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
1872
	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
1873
	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_ACER_SWITCH12) },
1874
	{ HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K90) },
D
Don Prince 已提交
1875
	{ HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
D
David Barksdale 已提交
1876
	{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
J
Jiri Slaby 已提交
1877 1878
	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
1879
	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
1880
	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
J
Jiri Slaby 已提交
1881
	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
1882
	{ HID_USB_DEVICE(USB_VENDOR_ID_DELCOM, USB_DEVICE_ID_DELCOM_VISUAL_IND) },
1883
	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
1884
	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
1885 1886
	{ HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, USB_DEVICE_ID_DREAM_CHEEKY_WN) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, USB_DEVICE_ID_DREAM_CHEEKY_FA) },
1887
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
J
Jiri Slaby 已提交
1888 1889
	{ HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) },
1890
	{ HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
J
Jiri Slaby 已提交
1891
	{ HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
1892
	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
1893
	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
1894
	{ HID_USB_DEVICE(USB_VENDOR_ID_GEMBIRD, USB_DEVICE_ID_GEMBIRD_JPD_DUALFORCE2) },
1895
	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
1896
	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
J
Jiri Slaby 已提交
1897
	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1898
	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
1899
	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
1900
	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
1901
	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
1902 1903
	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
1904
	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) },
1905
	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) },
1906
	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
1907
	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) },
1908
	{ HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
1909
	{ HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
B
Bastien Nocera 已提交
1910
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
1911
	{ HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
1912
	{ HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
1913
	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
1914
	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) },
1915
	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
1916
	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
1917 1918
	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
1919
	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2) },
1920
	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
1921
	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_PENSKETCH_M912) },
J
Jiri Slaby 已提交
1922
	{ HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1923
	{ HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
1924
#if IS_ENABLED(CONFIG_HID_LENOVO)
1925
	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
1926 1927
	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
1928
	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) },
1929
#endif
J
Jiri Slaby 已提交
1930 1931 1932 1933
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
1934
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
1935
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_T651) },
J
Jiri Slaby 已提交
1936 1937 1938 1939 1940 1941
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1942
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DUAL_ACTION) },
J
Jiri Slaby 已提交
1943
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
1944
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
J
Jiri Slaby 已提交
1945 1946
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
S
Simon Wood 已提交
1947
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G29_WHEEL) },
1948
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G920_WHEEL) },
J
Jiri Slaby 已提交
1949
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
1950
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
J
Jiri Slaby 已提交
1951
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
1952
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
J
Jiri Slaby 已提交
1953 1954
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
1955
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) },
1956
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
1957
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
1958
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
1959
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
1960
#if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
1961 1962
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
1963
#endif
1964
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
J
Jiri Slaby 已提交
1965
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
1966 1967
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
1968 1969
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
1970
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_LUXAFOR) },
1971
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
1972
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_KEYBOARD) },
J
Jiri Slaby 已提交
1973 1974
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
1975
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) },
1976
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE7K) },
J
Jiri Slaby 已提交
1977 1978
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
1979
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
J
Jiri Slaby 已提交
1980
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
1981
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) },
1982
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3) },
1983
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_2) },
1984
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_JP) },
1985
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3) },
1986 1987 1988
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_7K) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_600) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3KV1) },
1989
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER) },
J
Jiri Slaby 已提交
1990
	{ HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
1991
	{ HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) },
R
Rafi Rubin 已提交
1992
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
2011
	{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
2012
	{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
2013
	{ HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) },
J
Jiri Slaby 已提交
2014
	{ HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
2015
	{ HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, HID_ANY_ID) },
2016
	{ HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
2017
	{ HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) },
2018
#if IS_ENABLED(CONFIG_HID_ROCCAT)
2019
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
2020
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
2021 2022
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
2023
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
2024
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
2025
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) },
2026
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
2027
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
2028
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
2029
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
2030
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
2031 2032 2033
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
2034
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
2035
#endif
2036
#if IS_ENABLED(CONFIG_HID_SAITEK)
2037
	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
2038
	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7_OLD) },
2039 2040
	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7) },
2041
	{ HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT5) },
2042
	{ HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT9) },
2043
#endif
J
Jiri Slaby 已提交
2044
	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
2045
	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
2046
	{ HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
2047
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_PS3_BDREMOTE) },
2048 2049
	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) },
2050
	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
2051
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
2052
	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
2053
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
2054
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
J
Jiri Slaby 已提交
2055
	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
2056
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
2057 2058
	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
2059
	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
2060
	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
2061
	{ HID_USB_DEVICE(USB_VENDOR_ID_SINO_LITE, USB_DEVICE_ID_SINO_LITE_CONTROLLER) },
2062
	{ HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
J
Jiri Slaby 已提交
2063
	{ HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
2064
	{ HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
2065 2066
	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
2067 2068
	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
2069
	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
2070
	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
2071
	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
2072
	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
2073
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
2074
	{ HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
2075
	{ HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_PRO) },
2076
	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
2077
	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
2078
	{ HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
2079
	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
2080 2081 2082
	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
2083
	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
2084
	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
2085
	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
2086 2087 2088 2089
	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_YIYNOVA_TABLET) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_81) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_45) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_DRAWIMAGE_G3) },
2090
	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
2091
	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
2092
	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
2093 2094 2095
	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
S
Sean Young 已提交
2096
	{ HID_USB_DEVICE(USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII) },
2097
	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
2098
	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
2099
	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
2100
	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
2101
	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
2102
	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
2103
	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
2104
	{ HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
2105
	{ HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) },
2106 2107
	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
D
Don Prince 已提交
2108
	{ HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
J
Jiri Slaby 已提交
2109

J
Jiri Slaby 已提交
2110
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
2111
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
2112
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
2113
	{ HID_USB_DEVICE(USB_VENDOR_ID_RAZER, USB_DEVICE_ID_RAZER_BLADE_14) },
2114
	{ HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM6533) },
J
Jiri Slaby 已提交
2115 2116 2117
	{ }
};

J
Jiri Slaby 已提交
2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134
struct hid_dynid {
	struct list_head list;
	struct hid_device_id id;
};

/**
 * store_new_id - add a new HID device ID to this driver and re-probe devices
 * @driver: target device driver
 * @buf: buffer for scanning device ID data
 * @count: input size
 *
 * Adds a new dynamic hid device ID to this driver,
 * and causes the driver to probe for all devices again.
 */
static ssize_t store_new_id(struct device_driver *drv, const char *buf,
		size_t count)
{
2135
	struct hid_driver *hdrv = to_hid_driver(drv);
J
Jiri Slaby 已提交
2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150
	struct hid_dynid *dynid;
	__u32 bus, vendor, product;
	unsigned long driver_data = 0;
	int ret;

	ret = sscanf(buf, "%x %x %x %lx",
			&bus, &vendor, &product, &driver_data);
	if (ret < 3)
		return -EINVAL;

	dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
	if (!dynid)
		return -ENOMEM;

	dynid->id.bus = bus;
2151
	dynid->id.group = HID_GROUP_ANY;
J
Jiri Slaby 已提交
2152 2153 2154 2155 2156 2157 2158 2159
	dynid->id.vendor = vendor;
	dynid->id.product = product;
	dynid->id.driver_data = driver_data;

	spin_lock(&hdrv->dyn_lock);
	list_add_tail(&dynid->list, &hdrv->dyn_list);
	spin_unlock(&hdrv->dyn_lock);

2160
	ret = driver_attach(&hdrv->driver);
J
Jiri Slaby 已提交
2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194

	return ret ? : count;
}
static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);

static void hid_free_dynids(struct hid_driver *hdrv)
{
	struct hid_dynid *dynid, *n;

	spin_lock(&hdrv->dyn_lock);
	list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
		list_del(&dynid->list);
		kfree(dynid);
	}
	spin_unlock(&hdrv->dyn_lock);
}

static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
		struct hid_driver *hdrv)
{
	struct hid_dynid *dynid;

	spin_lock(&hdrv->dyn_lock);
	list_for_each_entry(dynid, &hdrv->dyn_list, list) {
		if (hid_match_one_id(hdev, &dynid->id)) {
			spin_unlock(&hdrv->dyn_lock);
			return &dynid->id;
		}
	}
	spin_unlock(&hdrv->dyn_lock);

	return hid_match_id(hdev, hdrv->id_table);
}

J
Jiri Slaby 已提交
2195 2196
static int hid_bus_match(struct device *dev, struct device_driver *drv)
{
2197
	struct hid_driver *hdrv = to_hid_driver(drv);
G
Geliang Tang 已提交
2198
	struct hid_device *hdev = to_hid_device(dev);
J
Jiri Slaby 已提交
2199

2200
	return hid_match_device(hdev, hdrv) != NULL;
J
Jiri Slaby 已提交
2201 2202 2203 2204
}

static int hid_device_probe(struct device *dev)
{
2205
	struct hid_driver *hdrv = to_hid_driver(dev->driver);
G
Geliang Tang 已提交
2206
	struct hid_device *hdev = to_hid_device(dev);
J
Jiri Slaby 已提交
2207 2208 2209
	const struct hid_device_id *id;
	int ret = 0;

2210 2211
	if (down_interruptible(&hdev->driver_lock))
		return -EINTR;
2212 2213 2214 2215 2216
	if (down_interruptible(&hdev->driver_input_lock)) {
		ret = -EINTR;
		goto unlock_driver_lock;
	}
	hdev->io_started = false;
2217

J
Jiri Slaby 已提交
2218
	if (!hdev->driver) {
J
Jiri Slaby 已提交
2219
		id = hid_match_device(hdev, hdrv);
2220
		if (id == NULL) {
2221 2222
			ret = -ENODEV;
			goto unlock;
2223
		}
J
Jiri Slaby 已提交
2224

J
Jiri Slaby 已提交
2225 2226 2227 2228
		hdev->driver = hdrv;
		if (hdrv->probe) {
			ret = hdrv->probe(hdev, id);
		} else { /* default probe */
2229
			ret = hid_open_report(hdev);
J
Jiri Slaby 已提交
2230
			if (!ret)
J
Jiri Slaby 已提交
2231
				ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
J
Jiri Slaby 已提交
2232
		}
2233 2234
		if (ret) {
			hid_close_report(hdev);
J
Jiri Slaby 已提交
2235
			hdev->driver = NULL;
2236
		}
J
Jiri Slaby 已提交
2237
	}
2238
unlock:
2239 2240 2241
	if (!hdev->io_started)
		up(&hdev->driver_input_lock);
unlock_driver_lock:
2242
	up(&hdev->driver_lock);
J
Jiri Slaby 已提交
2243 2244 2245 2246 2247
	return ret;
}

static int hid_device_remove(struct device *dev)
{
G
Geliang Tang 已提交
2248
	struct hid_device *hdev = to_hid_device(dev);
2249
	struct hid_driver *hdrv;
2250
	int ret = 0;
2251 2252 2253

	if (down_interruptible(&hdev->driver_lock))
		return -EINTR;
2254 2255 2256 2257 2258
	if (down_interruptible(&hdev->driver_input_lock)) {
		ret = -EINTR;
		goto unlock_driver_lock;
	}
	hdev->io_started = false;
J
Jiri Slaby 已提交
2259

2260
	hdrv = hdev->driver;
J
Jiri Slaby 已提交
2261 2262 2263
	if (hdrv) {
		if (hdrv->remove)
			hdrv->remove(hdev);
J
Jiri Slaby 已提交
2264 2265
		else /* default remove */
			hid_hw_stop(hdev);
2266
		hid_close_report(hdev);
J
Jiri Slaby 已提交
2267 2268 2269
		hdev->driver = NULL;
	}

2270 2271 2272
	if (!hdev->io_started)
		up(&hdev->driver_input_lock);
unlock_driver_lock:
2273
	up(&hdev->driver_lock);
2274
	return ret;
J
Jiri Slaby 已提交
2275 2276
}

2277 2278 2279 2280 2281
static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
			     char *buf)
{
	struct hid_device *hdev = container_of(dev, struct hid_device, dev);

2282 2283
	return scnprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
			 hdev->bus, hdev->group, hdev->vendor, hdev->product);
2284
}
2285
static DEVICE_ATTR_RO(modalias);
2286

2287 2288 2289
static struct attribute *hid_dev_attrs[] = {
	&dev_attr_modalias.attr,
	NULL,
2290
};
2291 2292 2293 2294 2295 2296 2297 2298 2299
static struct bin_attribute *hid_dev_bin_attrs[] = {
	&dev_bin_attr_report_desc,
	NULL
};
static const struct attribute_group hid_dev_group = {
	.attrs = hid_dev_attrs,
	.bin_attrs = hid_dev_bin_attrs,
};
__ATTRIBUTE_GROUPS(hid_dev);
2300

J
Jiri Slaby 已提交
2301 2302
static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
{
G
Geliang Tang 已提交
2303
	struct hid_device *hdev = to_hid_device(dev);	
J
Jiri Slaby 已提交
2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317

	if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
			hdev->bus, hdev->vendor, hdev->product))
		return -ENOMEM;

	if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
		return -ENOMEM;

	if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
		return -ENOMEM;

	if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
		return -ENOMEM;

2318 2319
	if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
			   hdev->bus, hdev->group, hdev->vendor, hdev->product))
J
Jiri Slaby 已提交
2320 2321 2322 2323 2324 2325 2326
		return -ENOMEM;

	return 0;
}

static struct bus_type hid_bus_type = {
	.name		= "hid",
2327
	.dev_groups	= hid_dev_groups,
J
Jiri Slaby 已提交
2328 2329 2330 2331 2332 2333
	.match		= hid_bus_match,
	.probe		= hid_device_probe,
	.remove		= hid_device_remove,
	.uevent		= hid_uevent,
};

2334
/* a list of devices that shouldn't be handled by HID core at all */
J
Jiri Slaby 已提交
2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347
static const struct hid_device_id hid_ignore_list[] = {
	{ HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
2348 2349
	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
A
Alexey Klimov 已提交
2350
	{ HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
2351
	{ HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) },
J
Jiri Slaby 已提交
2352 2353 2354
	{ HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
2355
	{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) },
J
Jiri Slaby 已提交
2356 2357 2358
	{ HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
2359
	{ HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
J
Jiri Slaby 已提交
2360 2361
	{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
2362
	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0400) },
2363
	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0401) },
J
Jiri Slaby 已提交
2364
	{ HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
2365
	{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
2366
	{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
2367
	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
J
Jiri Slaby 已提交
2368 2369 2370 2371 2372 2373 2374 2375
	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
2376
	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) },
J
Jiri Slaby 已提交
2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
2424 2425
	{ HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) },
P
Patrick Plattes 已提交
2426
	{ HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_GN9350E) },
J
Jiri Slaby 已提交
2427
	{ HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
2428
	{ HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
J
Jiri Slaby 已提交
2429
	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
2430
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
J
Jiri Slaby 已提交
2431
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
2432
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
J
Jiri Slaby 已提交
2433
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
2434
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
J
Jiri Slaby 已提交
2435
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
2436 2437 2438 2439 2440 2441
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
J
Jiri Slaby 已提交
2442 2443 2444
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
2445 2446 2447
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
J
Jiri Slaby 已提交
2448 2449
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
2450
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
J
Jiri Slaby 已提交
2451 2452 2453 2454 2455
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
2456 2457 2458 2459 2460 2461 2462
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
2463
	{ HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
J
Jiri Slaby 已提交
2464 2465 2466 2467
	{ HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
2468
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454) },
2469
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454_V2) },
J
Jiri Slaby 已提交
2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484
	{ HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
2485
	{ HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
2486
	{ HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
2487 2488 2489 2490 2491 2492 2493 2494 2495 2496
#if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE)
	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
#endif
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Jiri Slaby 已提交
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	{ HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
	{ }
};

2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529
/**
 * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
 *
 * There are composite devices for which we want to ignore only a certain
 * interface. This is a list of devices for which only the mouse interface will
 * be ignored. This allows a dedicated driver to take care of the interface.
 */
static const struct hid_device_id hid_mouse_ignore_list[] = {
	/* appletouch driver */
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
2530 2531 2532
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
2533 2534 2535 2536 2537 2538
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
2539 2540 2541
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
2542 2543 2544
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
2545 2546 2547 2548 2549 2550
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
2551 2552 2553
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
2554 2555 2556
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
2557 2558 2559
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
2560 2561 2562
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
2563 2564 2565 2566 2567
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
	{ }
};

2568
bool hid_ignore(struct hid_device *hdev)
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{
2570 2571 2572 2573 2574
	if (hdev->quirks & HID_QUIRK_NO_IGNORE)
		return false;
	if (hdev->quirks & HID_QUIRK_IGNORE)
		return true;

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	switch (hdev->vendor) {
	case USB_VENDOR_ID_CODEMERCS:
		/* ignore all Code Mercenaries IOWarrior devices */
		if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
				hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
			return true;
		break;
	case USB_VENDOR_ID_LOGITECH:
		if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
				hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
			return true;
2586 2587 2588 2589 2590 2591 2592 2593 2594 2595
		/*
		 * The Keene FM transmitter USB device has the same USB ID as
		 * the Logitech AudioHub Speaker, but it should ignore the hid.
		 * Check if the name is that of the Keene device.
		 * For reference: the name of the AudioHub is
		 * "HOLTEK  AudioHub Speaker".
		 */
		if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
			!strcmp(hdev->name, "HOLTEK  B-LINK USB Audio  "))
				return true;
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		break;
2597 2598 2599 2600 2601
	case USB_VENDOR_ID_SOUNDGRAPH:
		if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
		    hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
			return true;
		break;
2602 2603 2604 2605 2606
	case USB_VENDOR_ID_HANWANG:
		if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
		    hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
			return true;
		break;
2607 2608 2609 2610
	case USB_VENDOR_ID_JESS:
		if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
				hdev->type == HID_TYPE_USBNONE)
			return true;
2611
		break;
2612 2613 2614 2615 2616 2617 2618 2619
	case USB_VENDOR_ID_VELLEMAN:
		/* These are not HID devices.  They are handled by comedi. */
		if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST &&
		     hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) ||
		    (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST &&
		     hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
			return true;
		break;
2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 2630 2631
	case USB_VENDOR_ID_ATMEL_V_USB:
		/* Masterkit MA901 usb radio based on Atmel tiny85 chip and
		 * it has the same USB ID as many Atmel V-USB devices. This
		 * usb radio is handled by radio-ma901.c driver so we want
		 * ignore the hid. Check the name, bus, product and ignore
		 * if we have MA901 usb radio.
		 */
		if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB &&
			hdev->bus == BUS_USB &&
			strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0)
			return true;
		break;
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	}

2634 2635 2636 2637
	if (hdev->type == HID_TYPE_USBMOUSE &&
			hid_match_id(hdev, hid_mouse_ignore_list))
		return true;

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2638 2639
	return !!hid_match_id(hdev, hid_ignore_list);
}
2640
EXPORT_SYMBOL_GPL(hid_ignore);
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2641

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2642 2643 2644 2645 2646 2647 2648 2649
int hid_add_device(struct hid_device *hdev)
{
	static atomic_t id = ATOMIC_INIT(0);
	int ret;

	if (WARN_ON(hdev->status & HID_STAT_ADDED))
		return -EBUSY;

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	/* we need to kill them here, otherwise they will stay allocated to
	 * wait for coming driver */
2652
	if (hid_ignore(hdev))
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2653 2654
		return -ENODEV;

2655 2656 2657 2658 2659 2660 2661 2662
	/*
	 * Check for the mandatory transport channel.
	 */
	 if (!hdev->ll_driver->raw_request) {
		hid_err(hdev, "transport driver missing .raw_request()\n");
		return -EINVAL;
	 }

2663 2664 2665 2666 2667 2668 2669 2670 2671 2672
	/*
	 * Read the device report descriptor once and use as template
	 * for the driver-specific modifications.
	 */
	ret = hdev->ll_driver->parse(hdev);
	if (ret)
		return ret;
	if (!hdev->dev_rdesc)
		return -ENODEV;

2673 2674 2675
	/*
	 * Scan generic devices for group information
	 */
2676 2677 2678 2679
	if (hid_ignore_special_drivers) {
		hdev->group = HID_GROUP_GENERIC;
	} else if (!hdev->group &&
		   !hid_match_id(hdev, hid_have_special_driver)) {
2680 2681 2682 2683 2684
		ret = hid_scan_report(hdev);
		if (ret)
			hid_warn(hdev, "bad device descriptor (%d)\n", ret);
	}

2685 2686 2687 2688
	/* XXX hack, any other cleaner solution after the driver core
	 * is converted to allow more than 20 bytes as the device name? */
	dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
		     hdev->vendor, hdev->product, atomic_inc_return(&id));
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2689

2690
	hid_debug_register(hdev, dev_name(&hdev->dev));
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2691 2692 2693
	ret = device_add(&hdev->dev);
	if (!ret)
		hdev->status |= HID_STAT_ADDED;
2694 2695
	else
		hid_debug_unregister(hdev);
2696

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2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721
	return ret;
}
EXPORT_SYMBOL_GPL(hid_add_device);

/**
 * hid_allocate_device - allocate new hid device descriptor
 *
 * Allocate and initialize hid device, so that hid_destroy_device might be
 * used to free it.
 *
 * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
 * error value.
 */
struct hid_device *hid_allocate_device(void)
{
	struct hid_device *hdev;
	int ret = -ENOMEM;

	hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
	if (hdev == NULL)
		return ERR_PTR(ret);

	device_initialize(&hdev->dev);
	hdev->dev.release = hid_device_release;
	hdev->dev.bus = &hid_bus_type;
2722
	device_enable_async_suspend(&hdev->dev);
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Jiri Slaby 已提交
2723

2724
	hid_close_report(hdev);
J
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2725

2726 2727
	init_waitqueue_head(&hdev->debug_wait);
	INIT_LIST_HEAD(&hdev->debug_list);
2728
	spin_lock_init(&hdev->debug_list_lock);
2729
	sema_init(&hdev->driver_lock, 1);
2730
	sema_init(&hdev->driver_input_lock, 1);
2731

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2732 2733 2734 2735 2736 2737 2738 2739
	return hdev;
}
EXPORT_SYMBOL_GPL(hid_allocate_device);

static void hid_remove_device(struct hid_device *hdev)
{
	if (hdev->status & HID_STAT_ADDED) {
		device_del(&hdev->dev);
2740
		hid_debug_unregister(hdev);
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2741 2742
		hdev->status &= ~HID_STAT_ADDED;
	}
2743 2744 2745
	kfree(hdev->dev_rdesc);
	hdev->dev_rdesc = NULL;
	hdev->dev_rsize = 0;
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2746 2747 2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765
}

/**
 * hid_destroy_device - free previously allocated device
 *
 * @hdev: hid device
 *
 * If you allocate hid_device through hid_allocate_device, you should ever
 * free by this function.
 */
void hid_destroy_device(struct hid_device *hdev)
{
	hid_remove_device(hdev);
	put_device(&hdev->dev);
}
EXPORT_SYMBOL_GPL(hid_destroy_device);

int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
		const char *mod_name)
{
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2766 2767
	int ret;

J
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2768 2769 2770 2771 2772
	hdrv->driver.name = hdrv->name;
	hdrv->driver.bus = &hid_bus_type;
	hdrv->driver.owner = owner;
	hdrv->driver.mod_name = mod_name;

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2773 2774 2775 2776 2777 2778 2779 2780 2781 2782 2783 2784
	INIT_LIST_HEAD(&hdrv->dyn_list);
	spin_lock_init(&hdrv->dyn_lock);

	ret = driver_register(&hdrv->driver);
	if (ret)
		return ret;

	ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
	if (ret)
		driver_unregister(&hdrv->driver);

	return ret;
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2785 2786 2787 2788 2789
}
EXPORT_SYMBOL_GPL(__hid_register_driver);

void hid_unregister_driver(struct hid_driver *hdrv)
{
J
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2790
	driver_remove_file(&hdrv->driver, &driver_attr_new_id);
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2791
	driver_unregister(&hdrv->driver);
J
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2792
	hid_free_dynids(hdrv);
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2793 2794 2795
}
EXPORT_SYMBOL_GPL(hid_unregister_driver);

2796 2797 2798 2799 2800
int hid_check_keys_pressed(struct hid_device *hid)
{
	struct hid_input *hidinput;
	int i;

2801 2802 2803
	if (!(hid->claimed & HID_CLAIMED_INPUT))
		return 0;

2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814
	list_for_each_entry(hidinput, &hid->inputs, list) {
		for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
			if (hidinput->input->key[i])
				return 1;
	}

	return 0;
}

EXPORT_SYMBOL_GPL(hid_check_keys_pressed);

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2815 2816
static int __init hid_init(void)
{
J
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2817 2818
	int ret;

2819
	if (hid_debug)
2820 2821
		pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
			"debugfs is now used for inspecting the device (report descriptor, reports)\n");
2822

J
Jiri Slaby 已提交
2823 2824
	ret = bus_register(&hid_bus_type);
	if (ret) {
2825
		pr_err("can't register hid bus\n");
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2826 2827 2828 2829 2830 2831 2832
		goto err;
	}

	ret = hidraw_init();
	if (ret)
		goto err_bus;

2833 2834
	hid_debug_init();

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2835 2836 2837 2838 2839
	return 0;
err_bus:
	bus_unregister(&hid_bus_type);
err:
	return ret;
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2840 2841 2842 2843
}

static void __exit hid_exit(void)
{
2844
	hid_debug_exit();
J
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2845
	hidraw_exit();
J
Jiri Slaby 已提交
2846
	bus_unregister(&hid_bus_type);
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2847 2848 2849 2850 2851
}

module_init(hid_init);
module_exit(hid_exit);

2852 2853 2854
MODULE_AUTHOR("Andreas Gal");
MODULE_AUTHOR("Vojtech Pavlik");
MODULE_AUTHOR("Jiri Kosina");
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MODULE_LICENSE(DRIVER_LICENSE);