xref: /openbmc/linux/drivers/hid/hid-core.c (revision ad8378ede6f933cd6fe0c4c12ec65a3db469b2ca)
1dde5845aSJiri Kosina /*
2229695e5SJiri Kosina  *  HID support for Linux
3dde5845aSJiri Kosina  *
4dde5845aSJiri Kosina  *  Copyright (c) 1999 Andreas Gal
5dde5845aSJiri Kosina  *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
6dde5845aSJiri Kosina  *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
76b1968d5SJiri Kosina  *  Copyright (c) 2006-2012 Jiri Kosina
8dde5845aSJiri Kosina  */
9dde5845aSJiri Kosina 
10dde5845aSJiri Kosina /*
11dde5845aSJiri Kosina  * This program is free software; you can redistribute it and/or modify it
12dde5845aSJiri Kosina  * under the terms of the GNU General Public License as published by the Free
13dde5845aSJiri Kosina  * Software Foundation; either version 2 of the License, or (at your option)
14dde5845aSJiri Kosina  * any later version.
15dde5845aSJiri Kosina  */
16dde5845aSJiri Kosina 
174291ee30SJoe Perches #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
184291ee30SJoe Perches 
19dde5845aSJiri Kosina #include <linux/module.h>
20dde5845aSJiri Kosina #include <linux/slab.h>
21dde5845aSJiri Kosina #include <linux/init.h>
22dde5845aSJiri Kosina #include <linux/kernel.h>
23dde5845aSJiri Kosina #include <linux/list.h>
24dde5845aSJiri Kosina #include <linux/mm.h>
25dde5845aSJiri Kosina #include <linux/spinlock.h>
26dde5845aSJiri Kosina #include <asm/unaligned.h>
27dde5845aSJiri Kosina #include <asm/byteorder.h>
28dde5845aSJiri Kosina #include <linux/input.h>
29dde5845aSJiri Kosina #include <linux/wait.h>
3047a80edbSJiri Kosina #include <linux/vmalloc.h>
31c4124c9bSJiri Kosina #include <linux/sched.h>
324ea54542SDavid Herrmann #include <linux/semaphore.h>
33dde5845aSJiri Kosina 
34dde5845aSJiri Kosina #include <linux/hid.h>
35dde5845aSJiri Kosina #include <linux/hiddev.h>
36c080d89aSJiri Kosina #include <linux/hid-debug.h>
3786166b7bSJiri Kosina #include <linux/hidraw.h>
38dde5845aSJiri Kosina 
395f22a799SJiri Slaby #include "hid-ids.h"
405f22a799SJiri Slaby 
41dde5845aSJiri Kosina /*
42dde5845aSJiri Kosina  * Version Information
43dde5845aSJiri Kosina  */
44dde5845aSJiri Kosina 
4553149801SJiri Kosina #define DRIVER_DESC "HID core driver"
46dde5845aSJiri Kosina 
4758037eb9SJiri Kosina int hid_debug = 0;
48377e10fbSAnssi Hannula module_param_named(debug, hid_debug, int, 0600);
49cd667ce2SJiri Kosina MODULE_PARM_DESC(debug, "toggle HID debugging messages");
5058037eb9SJiri Kosina EXPORT_SYMBOL_GPL(hid_debug);
5158037eb9SJiri Kosina 
526b1968d5SJiri Kosina static int hid_ignore_special_drivers = 0;
536b1968d5SJiri Kosina module_param_named(ignore_special_drivers, hid_ignore_special_drivers, int, 0600);
54643727a9SHans Petter Selasky MODULE_PARM_DESC(ignore_special_drivers, "Ignore any special drivers and handle all devices by generic driver");
556b1968d5SJiri Kosina 
56dde5845aSJiri Kosina /*
57dde5845aSJiri Kosina  * Register a new report for a device.
58dde5845aSJiri Kosina  */
59dde5845aSJiri Kosina 
6090a006abSMichael Poole struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id)
61dde5845aSJiri Kosina {
62dde5845aSJiri Kosina 	struct hid_report_enum *report_enum = device->report_enum + type;
63dde5845aSJiri Kosina 	struct hid_report *report;
64dde5845aSJiri Kosina 
6543622021SKees Cook 	if (id >= HID_MAX_IDS)
6643622021SKees Cook 		return NULL;
67dde5845aSJiri Kosina 	if (report_enum->report_id_hash[id])
68dde5845aSJiri Kosina 		return report_enum->report_id_hash[id];
69dde5845aSJiri Kosina 
70a3789a17SJoe Perches 	report = kzalloc(sizeof(struct hid_report), GFP_KERNEL);
71a3789a17SJoe Perches 	if (!report)
72dde5845aSJiri Kosina 		return NULL;
73dde5845aSJiri Kosina 
74dde5845aSJiri Kosina 	if (id != 0)
75dde5845aSJiri Kosina 		report_enum->numbered = 1;
76dde5845aSJiri Kosina 
77dde5845aSJiri Kosina 	report->id = id;
78dde5845aSJiri Kosina 	report->type = type;
79dde5845aSJiri Kosina 	report->size = 0;
80dde5845aSJiri Kosina 	report->device = device;
81dde5845aSJiri Kosina 	report_enum->report_id_hash[id] = report;
82dde5845aSJiri Kosina 
83dde5845aSJiri Kosina 	list_add_tail(&report->list, &report_enum->report_list);
84dde5845aSJiri Kosina 
85dde5845aSJiri Kosina 	return report;
86dde5845aSJiri Kosina }
8790a006abSMichael Poole EXPORT_SYMBOL_GPL(hid_register_report);
88dde5845aSJiri Kosina 
89dde5845aSJiri Kosina /*
90dde5845aSJiri Kosina  * Register a new field for this report.
91dde5845aSJiri Kosina  */
92dde5845aSJiri Kosina 
93dde5845aSJiri Kosina static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
94dde5845aSJiri Kosina {
95dde5845aSJiri Kosina 	struct hid_field *field;
96dde5845aSJiri Kosina 
97dde5845aSJiri Kosina 	if (report->maxfield == HID_MAX_FIELDS) {
988c3d52fcSJiri Kosina 		hid_err(report->device, "too many fields in report\n");
99dde5845aSJiri Kosina 		return NULL;
100dde5845aSJiri Kosina 	}
101dde5845aSJiri Kosina 
102a3789a17SJoe Perches 	field = kzalloc((sizeof(struct hid_field) +
103a3789a17SJoe Perches 			 usages * sizeof(struct hid_usage) +
104a3789a17SJoe Perches 			 values * sizeof(unsigned)), GFP_KERNEL);
105a3789a17SJoe Perches 	if (!field)
106a3789a17SJoe Perches 		return NULL;
107dde5845aSJiri Kosina 
108dde5845aSJiri Kosina 	field->index = report->maxfield++;
109dde5845aSJiri Kosina 	report->field[field->index] = field;
110dde5845aSJiri Kosina 	field->usage = (struct hid_usage *)(field + 1);
111282bfd4cSJiri Slaby 	field->value = (s32 *)(field->usage + usages);
112dde5845aSJiri Kosina 	field->report = report;
113dde5845aSJiri Kosina 
114dde5845aSJiri Kosina 	return field;
115dde5845aSJiri Kosina }
116dde5845aSJiri Kosina 
117dde5845aSJiri Kosina /*
118dde5845aSJiri Kosina  * Open a collection. The type/usage is pushed on the stack.
119dde5845aSJiri Kosina  */
120dde5845aSJiri Kosina 
121dde5845aSJiri Kosina static int open_collection(struct hid_parser *parser, unsigned type)
122dde5845aSJiri Kosina {
123dde5845aSJiri Kosina 	struct hid_collection *collection;
124dde5845aSJiri Kosina 	unsigned usage;
125dde5845aSJiri Kosina 
126dde5845aSJiri Kosina 	usage = parser->local.usage[0];
127dde5845aSJiri Kosina 
128dde5845aSJiri Kosina 	if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
1298c3d52fcSJiri Kosina 		hid_err(parser->device, "collection stack overflow\n");
130a6fbaacfSSachin Kamat 		return -EINVAL;
131dde5845aSJiri Kosina 	}
132dde5845aSJiri Kosina 
133dde5845aSJiri Kosina 	if (parser->device->maxcollection == parser->device->collection_size) {
134dde5845aSJiri Kosina 		collection = kmalloc(sizeof(struct hid_collection) *
135dde5845aSJiri Kosina 				parser->device->collection_size * 2, GFP_KERNEL);
136dde5845aSJiri Kosina 		if (collection == NULL) {
1378c3d52fcSJiri Kosina 			hid_err(parser->device, "failed to reallocate collection array\n");
138a6fbaacfSSachin Kamat 			return -ENOMEM;
139dde5845aSJiri Kosina 		}
140dde5845aSJiri Kosina 		memcpy(collection, parser->device->collection,
141dde5845aSJiri Kosina 			sizeof(struct hid_collection) *
142dde5845aSJiri Kosina 			parser->device->collection_size);
143dde5845aSJiri Kosina 		memset(collection + parser->device->collection_size, 0,
144dde5845aSJiri Kosina 			sizeof(struct hid_collection) *
145dde5845aSJiri Kosina 			parser->device->collection_size);
146dde5845aSJiri Kosina 		kfree(parser->device->collection);
147dde5845aSJiri Kosina 		parser->device->collection = collection;
148dde5845aSJiri Kosina 		parser->device->collection_size *= 2;
149dde5845aSJiri Kosina 	}
150dde5845aSJiri Kosina 
151dde5845aSJiri Kosina 	parser->collection_stack[parser->collection_stack_ptr++] =
152dde5845aSJiri Kosina 		parser->device->maxcollection;
153dde5845aSJiri Kosina 
154dde5845aSJiri Kosina 	collection = parser->device->collection +
155dde5845aSJiri Kosina 		parser->device->maxcollection++;
156dde5845aSJiri Kosina 	collection->type = type;
157dde5845aSJiri Kosina 	collection->usage = usage;
158dde5845aSJiri Kosina 	collection->level = parser->collection_stack_ptr - 1;
159dde5845aSJiri Kosina 
160dde5845aSJiri Kosina 	if (type == HID_COLLECTION_APPLICATION)
161dde5845aSJiri Kosina 		parser->device->maxapplication++;
162dde5845aSJiri Kosina 
163dde5845aSJiri Kosina 	return 0;
164dde5845aSJiri Kosina }
165dde5845aSJiri Kosina 
166dde5845aSJiri Kosina /*
167dde5845aSJiri Kosina  * Close a collection.
168dde5845aSJiri Kosina  */
169dde5845aSJiri Kosina 
170dde5845aSJiri Kosina static int close_collection(struct hid_parser *parser)
171dde5845aSJiri Kosina {
172dde5845aSJiri Kosina 	if (!parser->collection_stack_ptr) {
1738c3d52fcSJiri Kosina 		hid_err(parser->device, "collection stack underflow\n");
174a6fbaacfSSachin Kamat 		return -EINVAL;
175dde5845aSJiri Kosina 	}
176dde5845aSJiri Kosina 	parser->collection_stack_ptr--;
177dde5845aSJiri Kosina 	return 0;
178dde5845aSJiri Kosina }
179dde5845aSJiri Kosina 
180dde5845aSJiri Kosina /*
181dde5845aSJiri Kosina  * Climb up the stack, search for the specified collection type
182dde5845aSJiri Kosina  * and return the usage.
183dde5845aSJiri Kosina  */
184dde5845aSJiri Kosina 
185dde5845aSJiri Kosina static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
186dde5845aSJiri Kosina {
187504499f2SJoe Perches 	struct hid_collection *collection = parser->device->collection;
188dde5845aSJiri Kosina 	int n;
189504499f2SJoe Perches 
190504499f2SJoe Perches 	for (n = parser->collection_stack_ptr - 1; n >= 0; n--) {
191504499f2SJoe Perches 		unsigned index = parser->collection_stack[n];
192504499f2SJoe Perches 		if (collection[index].type == type)
193504499f2SJoe Perches 			return collection[index].usage;
194504499f2SJoe Perches 	}
195dde5845aSJiri Kosina 	return 0; /* we know nothing about this usage type */
196dde5845aSJiri Kosina }
197dde5845aSJiri Kosina 
198dde5845aSJiri Kosina /*
199dde5845aSJiri Kosina  * Add a usage to the temporary parser table.
200dde5845aSJiri Kosina  */
201dde5845aSJiri Kosina 
202dde5845aSJiri Kosina static int hid_add_usage(struct hid_parser *parser, unsigned usage)
203dde5845aSJiri Kosina {
204dde5845aSJiri Kosina 	if (parser->local.usage_index >= HID_MAX_USAGES) {
2058c3d52fcSJiri Kosina 		hid_err(parser->device, "usage index exceeded\n");
206dde5845aSJiri Kosina 		return -1;
207dde5845aSJiri Kosina 	}
208dde5845aSJiri Kosina 	parser->local.usage[parser->local.usage_index] = usage;
209dde5845aSJiri Kosina 	parser->local.collection_index[parser->local.usage_index] =
210dde5845aSJiri Kosina 		parser->collection_stack_ptr ?
211dde5845aSJiri Kosina 		parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
212dde5845aSJiri Kosina 	parser->local.usage_index++;
213dde5845aSJiri Kosina 	return 0;
214dde5845aSJiri Kosina }
215dde5845aSJiri Kosina 
216dde5845aSJiri Kosina /*
217dde5845aSJiri Kosina  * Register a new field for this report.
218dde5845aSJiri Kosina  */
219dde5845aSJiri Kosina 
220dde5845aSJiri Kosina static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
221dde5845aSJiri Kosina {
222dde5845aSJiri Kosina 	struct hid_report *report;
223dde5845aSJiri Kosina 	struct hid_field *field;
224cc6b54aaSBenjamin Tissoires 	unsigned usages;
225dde5845aSJiri Kosina 	unsigned offset;
226cc6b54aaSBenjamin Tissoires 	unsigned i;
227dde5845aSJiri Kosina 
228a3789a17SJoe Perches 	report = hid_register_report(parser->device, report_type, parser->global.report_id);
229a3789a17SJoe Perches 	if (!report) {
2308c3d52fcSJiri Kosina 		hid_err(parser->device, "hid_register_report failed\n");
231dde5845aSJiri Kosina 		return -1;
232dde5845aSJiri Kosina 	}
233dde5845aSJiri Kosina 
234bb2e1976SJiri Kosina 	/* Handle both signed and unsigned cases properly */
2350cd516c2Ssrinivas pandruvada 	if ((parser->global.logical_minimum < 0 &&
2360cd516c2Ssrinivas pandruvada 		parser->global.logical_maximum <
2370cd516c2Ssrinivas pandruvada 		parser->global.logical_minimum) ||
2380cd516c2Ssrinivas pandruvada 		(parser->global.logical_minimum >= 0 &&
2390cd516c2Ssrinivas pandruvada 		(__u32)parser->global.logical_maximum <
2400cd516c2Ssrinivas pandruvada 		(__u32)parser->global.logical_minimum)) {
2410cd516c2Ssrinivas pandruvada 		dbg_hid("logical range invalid 0x%x 0x%x\n",
2420cd516c2Ssrinivas pandruvada 			parser->global.logical_minimum,
2430cd516c2Ssrinivas pandruvada 			parser->global.logical_maximum);
244dde5845aSJiri Kosina 		return -1;
245dde5845aSJiri Kosina 	}
246dde5845aSJiri Kosina 
247dde5845aSJiri Kosina 	offset = report->size;
248dde5845aSJiri Kosina 	report->size += parser->global.report_size * parser->global.report_count;
249dde5845aSJiri Kosina 
250dde5845aSJiri Kosina 	if (!parser->local.usage_index) /* Ignore padding fields */
251dde5845aSJiri Kosina 		return 0;
252dde5845aSJiri Kosina 
253cc6b54aaSBenjamin Tissoires 	usages = max_t(unsigned, parser->local.usage_index,
254cc6b54aaSBenjamin Tissoires 				 parser->global.report_count);
255dde5845aSJiri Kosina 
256a3789a17SJoe Perches 	field = hid_register_field(report, usages, parser->global.report_count);
257a3789a17SJoe Perches 	if (!field)
258dde5845aSJiri Kosina 		return 0;
259dde5845aSJiri Kosina 
260dde5845aSJiri Kosina 	field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
261dde5845aSJiri Kosina 	field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
262dde5845aSJiri Kosina 	field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
263dde5845aSJiri Kosina 
264dde5845aSJiri Kosina 	for (i = 0; i < usages; i++) {
265cc6b54aaSBenjamin Tissoires 		unsigned j = i;
266dde5845aSJiri Kosina 		/* Duplicate the last usage we parsed if we have excess values */
267dde5845aSJiri Kosina 		if (i >= parser->local.usage_index)
268dde5845aSJiri Kosina 			j = parser->local.usage_index - 1;
269dde5845aSJiri Kosina 		field->usage[i].hid = parser->local.usage[j];
270dde5845aSJiri Kosina 		field->usage[i].collection_index =
271dde5845aSJiri Kosina 			parser->local.collection_index[j];
272cc6b54aaSBenjamin Tissoires 		field->usage[i].usage_index = i;
273dde5845aSJiri Kosina 	}
274dde5845aSJiri Kosina 
275dde5845aSJiri Kosina 	field->maxusage = usages;
276dde5845aSJiri Kosina 	field->flags = flags;
277dde5845aSJiri Kosina 	field->report_offset = offset;
278dde5845aSJiri Kosina 	field->report_type = report_type;
279dde5845aSJiri Kosina 	field->report_size = parser->global.report_size;
280dde5845aSJiri Kosina 	field->report_count = parser->global.report_count;
281dde5845aSJiri Kosina 	field->logical_minimum = parser->global.logical_minimum;
282dde5845aSJiri Kosina 	field->logical_maximum = parser->global.logical_maximum;
283dde5845aSJiri Kosina 	field->physical_minimum = parser->global.physical_minimum;
284dde5845aSJiri Kosina 	field->physical_maximum = parser->global.physical_maximum;
285dde5845aSJiri Kosina 	field->unit_exponent = parser->global.unit_exponent;
286dde5845aSJiri Kosina 	field->unit = parser->global.unit;
287dde5845aSJiri Kosina 
288dde5845aSJiri Kosina 	return 0;
289dde5845aSJiri Kosina }
290dde5845aSJiri Kosina 
291dde5845aSJiri Kosina /*
292dde5845aSJiri Kosina  * Read data value from item.
293dde5845aSJiri Kosina  */
294dde5845aSJiri Kosina 
295dde5845aSJiri Kosina static u32 item_udata(struct hid_item *item)
296dde5845aSJiri Kosina {
297dde5845aSJiri Kosina 	switch (item->size) {
298dde5845aSJiri Kosina 	case 1: return item->data.u8;
299dde5845aSJiri Kosina 	case 2: return item->data.u16;
300dde5845aSJiri Kosina 	case 4: return item->data.u32;
301dde5845aSJiri Kosina 	}
302dde5845aSJiri Kosina 	return 0;
303dde5845aSJiri Kosina }
304dde5845aSJiri Kosina 
305dde5845aSJiri Kosina static s32 item_sdata(struct hid_item *item)
306dde5845aSJiri Kosina {
307dde5845aSJiri Kosina 	switch (item->size) {
308dde5845aSJiri Kosina 	case 1: return item->data.s8;
309dde5845aSJiri Kosina 	case 2: return item->data.s16;
310dde5845aSJiri Kosina 	case 4: return item->data.s32;
311dde5845aSJiri Kosina 	}
312dde5845aSJiri Kosina 	return 0;
313dde5845aSJiri Kosina }
314dde5845aSJiri Kosina 
315dde5845aSJiri Kosina /*
316dde5845aSJiri Kosina  * Process a global item.
317dde5845aSJiri Kosina  */
318dde5845aSJiri Kosina 
319dde5845aSJiri Kosina static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
320dde5845aSJiri Kosina {
321ad0e669bSNikolai Kondrashov 	__s32 raw_value;
322dde5845aSJiri Kosina 	switch (item->tag) {
323dde5845aSJiri Kosina 	case HID_GLOBAL_ITEM_TAG_PUSH:
324dde5845aSJiri Kosina 
325dde5845aSJiri Kosina 		if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
3268c3d52fcSJiri Kosina 			hid_err(parser->device, "global environment stack overflow\n");
327dde5845aSJiri Kosina 			return -1;
328dde5845aSJiri Kosina 		}
329dde5845aSJiri Kosina 
330dde5845aSJiri Kosina 		memcpy(parser->global_stack + parser->global_stack_ptr++,
331dde5845aSJiri Kosina 			&parser->global, sizeof(struct hid_global));
332dde5845aSJiri Kosina 		return 0;
333dde5845aSJiri Kosina 
334dde5845aSJiri Kosina 	case HID_GLOBAL_ITEM_TAG_POP:
335dde5845aSJiri Kosina 
336dde5845aSJiri Kosina 		if (!parser->global_stack_ptr) {
3378c3d52fcSJiri Kosina 			hid_err(parser->device, "global environment stack underflow\n");
338dde5845aSJiri Kosina 			return -1;
339dde5845aSJiri Kosina 		}
340dde5845aSJiri Kosina 
341880d29f1SJiri Slaby 		memcpy(&parser->global, parser->global_stack +
342880d29f1SJiri Slaby 			--parser->global_stack_ptr, sizeof(struct hid_global));
343dde5845aSJiri Kosina 		return 0;
344dde5845aSJiri Kosina 
345dde5845aSJiri Kosina 	case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
346dde5845aSJiri Kosina 		parser->global.usage_page = item_udata(item);
347dde5845aSJiri Kosina 		return 0;
348dde5845aSJiri Kosina 
349dde5845aSJiri Kosina 	case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
350dde5845aSJiri Kosina 		parser->global.logical_minimum = item_sdata(item);
351dde5845aSJiri Kosina 		return 0;
352dde5845aSJiri Kosina 
353dde5845aSJiri Kosina 	case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
354dde5845aSJiri Kosina 		if (parser->global.logical_minimum < 0)
355dde5845aSJiri Kosina 			parser->global.logical_maximum = item_sdata(item);
356dde5845aSJiri Kosina 		else
357dde5845aSJiri Kosina 			parser->global.logical_maximum = item_udata(item);
358dde5845aSJiri Kosina 		return 0;
359dde5845aSJiri Kosina 
360dde5845aSJiri Kosina 	case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
361dde5845aSJiri Kosina 		parser->global.physical_minimum = item_sdata(item);
362dde5845aSJiri Kosina 		return 0;
363dde5845aSJiri Kosina 
364dde5845aSJiri Kosina 	case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
365dde5845aSJiri Kosina 		if (parser->global.physical_minimum < 0)
366dde5845aSJiri Kosina 			parser->global.physical_maximum = item_sdata(item);
367dde5845aSJiri Kosina 		else
368dde5845aSJiri Kosina 			parser->global.physical_maximum = item_udata(item);
369dde5845aSJiri Kosina 		return 0;
370dde5845aSJiri Kosina 
371dde5845aSJiri Kosina 	case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
372ad0e669bSNikolai Kondrashov 		/* Many devices provide unit exponent as a two's complement
373ad0e669bSNikolai Kondrashov 		 * nibble due to the common misunderstanding of HID
374ad0e669bSNikolai Kondrashov 		 * specification 1.11, 6.2.2.7 Global Items. Attempt to handle
375ad0e669bSNikolai Kondrashov 		 * both this and the standard encoding. */
376ad0e669bSNikolai Kondrashov 		raw_value = item_sdata(item);
37777463838SBenjamin Tissoires 		if (!(raw_value & 0xfffffff0))
37877463838SBenjamin Tissoires 			parser->global.unit_exponent = hid_snto32(raw_value, 4);
37977463838SBenjamin Tissoires 		else
38077463838SBenjamin Tissoires 			parser->global.unit_exponent = raw_value;
381dde5845aSJiri Kosina 		return 0;
382dde5845aSJiri Kosina 
383dde5845aSJiri Kosina 	case HID_GLOBAL_ITEM_TAG_UNIT:
384dde5845aSJiri Kosina 		parser->global.unit = item_udata(item);
385dde5845aSJiri Kosina 		return 0;
386dde5845aSJiri Kosina 
387dde5845aSJiri Kosina 	case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
388880d29f1SJiri Slaby 		parser->global.report_size = item_udata(item);
38923408f95SMarek Vasut 		if (parser->global.report_size > 128) {
3908c3d52fcSJiri Kosina 			hid_err(parser->device, "invalid report_size %d\n",
391880d29f1SJiri Slaby 					parser->global.report_size);
392dde5845aSJiri Kosina 			return -1;
393dde5845aSJiri Kosina 		}
394dde5845aSJiri Kosina 		return 0;
395dde5845aSJiri Kosina 
396dde5845aSJiri Kosina 	case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
397880d29f1SJiri Slaby 		parser->global.report_count = item_udata(item);
398880d29f1SJiri Slaby 		if (parser->global.report_count > HID_MAX_USAGES) {
3998c3d52fcSJiri Kosina 			hid_err(parser->device, "invalid report_count %d\n",
400880d29f1SJiri Slaby 					parser->global.report_count);
401dde5845aSJiri Kosina 			return -1;
402dde5845aSJiri Kosina 		}
403dde5845aSJiri Kosina 		return 0;
404dde5845aSJiri Kosina 
405dde5845aSJiri Kosina 	case HID_GLOBAL_ITEM_TAG_REPORT_ID:
406880d29f1SJiri Slaby 		parser->global.report_id = item_udata(item);
40743622021SKees Cook 		if (parser->global.report_id == 0 ||
40843622021SKees Cook 		    parser->global.report_id >= HID_MAX_IDS) {
40943622021SKees Cook 			hid_err(parser->device, "report_id %u is invalid\n",
41043622021SKees Cook 				parser->global.report_id);
411dde5845aSJiri Kosina 			return -1;
412dde5845aSJiri Kosina 		}
413dde5845aSJiri Kosina 		return 0;
414dde5845aSJiri Kosina 
415dde5845aSJiri Kosina 	default:
4168c3d52fcSJiri Kosina 		hid_err(parser->device, "unknown global tag 0x%x\n", item->tag);
417dde5845aSJiri Kosina 		return -1;
418dde5845aSJiri Kosina 	}
419dde5845aSJiri Kosina }
420dde5845aSJiri Kosina 
421dde5845aSJiri Kosina /*
422dde5845aSJiri Kosina  * Process a local item.
423dde5845aSJiri Kosina  */
424dde5845aSJiri Kosina 
425dde5845aSJiri Kosina static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
426dde5845aSJiri Kosina {
427dde5845aSJiri Kosina 	__u32 data;
428dde5845aSJiri Kosina 	unsigned n;
429ba532198SBenjamin Tissoires 	__u32 count;
430dde5845aSJiri Kosina 
431dde5845aSJiri Kosina 	data = item_udata(item);
432dde5845aSJiri Kosina 
433dde5845aSJiri Kosina 	switch (item->tag) {
434dde5845aSJiri Kosina 	case HID_LOCAL_ITEM_TAG_DELIMITER:
435dde5845aSJiri Kosina 
436dde5845aSJiri Kosina 		if (data) {
437dde5845aSJiri Kosina 			/*
438dde5845aSJiri Kosina 			 * We treat items before the first delimiter
439dde5845aSJiri Kosina 			 * as global to all usage sets (branch 0).
440dde5845aSJiri Kosina 			 * In the moment we process only these global
441dde5845aSJiri Kosina 			 * items and the first delimiter set.
442dde5845aSJiri Kosina 			 */
443dde5845aSJiri Kosina 			if (parser->local.delimiter_depth != 0) {
4448c3d52fcSJiri Kosina 				hid_err(parser->device, "nested delimiters\n");
445dde5845aSJiri Kosina 				return -1;
446dde5845aSJiri Kosina 			}
447dde5845aSJiri Kosina 			parser->local.delimiter_depth++;
448dde5845aSJiri Kosina 			parser->local.delimiter_branch++;
449dde5845aSJiri Kosina 		} else {
450dde5845aSJiri Kosina 			if (parser->local.delimiter_depth < 1) {
4518c3d52fcSJiri Kosina 				hid_err(parser->device, "bogus close delimiter\n");
452dde5845aSJiri Kosina 				return -1;
453dde5845aSJiri Kosina 			}
454dde5845aSJiri Kosina 			parser->local.delimiter_depth--;
455dde5845aSJiri Kosina 		}
45638ead6efSPaul Chavent 		return 0;
457dde5845aSJiri Kosina 
458dde5845aSJiri Kosina 	case HID_LOCAL_ITEM_TAG_USAGE:
459dde5845aSJiri Kosina 
460dde5845aSJiri Kosina 		if (parser->local.delimiter_branch > 1) {
46158037eb9SJiri Kosina 			dbg_hid("alternative usage ignored\n");
462dde5845aSJiri Kosina 			return 0;
463dde5845aSJiri Kosina 		}
464dde5845aSJiri Kosina 
465dde5845aSJiri Kosina 		if (item->size <= 2)
466dde5845aSJiri Kosina 			data = (parser->global.usage_page << 16) + data;
467dde5845aSJiri Kosina 
468dde5845aSJiri Kosina 		return hid_add_usage(parser, data);
469dde5845aSJiri Kosina 
470dde5845aSJiri Kosina 	case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
471dde5845aSJiri Kosina 
472dde5845aSJiri Kosina 		if (parser->local.delimiter_branch > 1) {
47358037eb9SJiri Kosina 			dbg_hid("alternative usage ignored\n");
474dde5845aSJiri Kosina 			return 0;
475dde5845aSJiri Kosina 		}
476dde5845aSJiri Kosina 
477dde5845aSJiri Kosina 		if (item->size <= 2)
478dde5845aSJiri Kosina 			data = (parser->global.usage_page << 16) + data;
479dde5845aSJiri Kosina 
480dde5845aSJiri Kosina 		parser->local.usage_minimum = data;
481dde5845aSJiri Kosina 		return 0;
482dde5845aSJiri Kosina 
483dde5845aSJiri Kosina 	case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
484dde5845aSJiri Kosina 
485dde5845aSJiri Kosina 		if (parser->local.delimiter_branch > 1) {
48658037eb9SJiri Kosina 			dbg_hid("alternative usage ignored\n");
487dde5845aSJiri Kosina 			return 0;
488dde5845aSJiri Kosina 		}
489dde5845aSJiri Kosina 
490dde5845aSJiri Kosina 		if (item->size <= 2)
491dde5845aSJiri Kosina 			data = (parser->global.usage_page << 16) + data;
492dde5845aSJiri Kosina 
493ba532198SBenjamin Tissoires 		count = data - parser->local.usage_minimum;
494ba532198SBenjamin Tissoires 		if (count + parser->local.usage_index >= HID_MAX_USAGES) {
495ba532198SBenjamin Tissoires 			/*
496ba532198SBenjamin Tissoires 			 * We do not warn if the name is not set, we are
497ba532198SBenjamin Tissoires 			 * actually pre-scanning the device.
498ba532198SBenjamin Tissoires 			 */
499ba532198SBenjamin Tissoires 			if (dev_name(&parser->device->dev))
500ba532198SBenjamin Tissoires 				hid_warn(parser->device,
501ba532198SBenjamin Tissoires 					 "ignoring exceeding usage max\n");
502ba532198SBenjamin Tissoires 			data = HID_MAX_USAGES - parser->local.usage_index +
503ba532198SBenjamin Tissoires 				parser->local.usage_minimum - 1;
504ba532198SBenjamin Tissoires 			if (data <= 0) {
505ba532198SBenjamin Tissoires 				hid_err(parser->device,
506ba532198SBenjamin Tissoires 					"no more usage index available\n");
507ba532198SBenjamin Tissoires 				return -1;
508ba532198SBenjamin Tissoires 			}
509ba532198SBenjamin Tissoires 		}
510ba532198SBenjamin Tissoires 
511dde5845aSJiri Kosina 		for (n = parser->local.usage_minimum; n <= data; n++)
512dde5845aSJiri Kosina 			if (hid_add_usage(parser, n)) {
51358037eb9SJiri Kosina 				dbg_hid("hid_add_usage failed\n");
514dde5845aSJiri Kosina 				return -1;
515dde5845aSJiri Kosina 			}
516dde5845aSJiri Kosina 		return 0;
517dde5845aSJiri Kosina 
518dde5845aSJiri Kosina 	default:
519dde5845aSJiri Kosina 
52058037eb9SJiri Kosina 		dbg_hid("unknown local item tag 0x%x\n", item->tag);
521dde5845aSJiri Kosina 		return 0;
522dde5845aSJiri Kosina 	}
523dde5845aSJiri Kosina 	return 0;
524dde5845aSJiri Kosina }
525dde5845aSJiri Kosina 
526dde5845aSJiri Kosina /*
527dde5845aSJiri Kosina  * Process a main item.
528dde5845aSJiri Kosina  */
529dde5845aSJiri Kosina 
530dde5845aSJiri Kosina static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
531dde5845aSJiri Kosina {
532dde5845aSJiri Kosina 	__u32 data;
533dde5845aSJiri Kosina 	int ret;
534dde5845aSJiri Kosina 
535dde5845aSJiri Kosina 	data = item_udata(item);
536dde5845aSJiri Kosina 
537dde5845aSJiri Kosina 	switch (item->tag) {
538dde5845aSJiri Kosina 	case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
539dde5845aSJiri Kosina 		ret = open_collection(parser, data & 0xff);
540dde5845aSJiri Kosina 		break;
541dde5845aSJiri Kosina 	case HID_MAIN_ITEM_TAG_END_COLLECTION:
542dde5845aSJiri Kosina 		ret = close_collection(parser);
543dde5845aSJiri Kosina 		break;
544dde5845aSJiri Kosina 	case HID_MAIN_ITEM_TAG_INPUT:
545dde5845aSJiri Kosina 		ret = hid_add_field(parser, HID_INPUT_REPORT, data);
546dde5845aSJiri Kosina 		break;
547dde5845aSJiri Kosina 	case HID_MAIN_ITEM_TAG_OUTPUT:
548dde5845aSJiri Kosina 		ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
549dde5845aSJiri Kosina 		break;
550dde5845aSJiri Kosina 	case HID_MAIN_ITEM_TAG_FEATURE:
551dde5845aSJiri Kosina 		ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
552dde5845aSJiri Kosina 		break;
553dde5845aSJiri Kosina 	default:
5548c3d52fcSJiri Kosina 		hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag);
555dde5845aSJiri Kosina 		ret = 0;
556dde5845aSJiri Kosina 	}
557dde5845aSJiri Kosina 
558dde5845aSJiri Kosina 	memset(&parser->local, 0, sizeof(parser->local));	/* Reset the local parser environment */
559dde5845aSJiri Kosina 
560dde5845aSJiri Kosina 	return ret;
561dde5845aSJiri Kosina }
562dde5845aSJiri Kosina 
563dde5845aSJiri Kosina /*
564dde5845aSJiri Kosina  * Process a reserved item.
565dde5845aSJiri Kosina  */
566dde5845aSJiri Kosina 
567dde5845aSJiri Kosina static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
568dde5845aSJiri Kosina {
56958037eb9SJiri Kosina 	dbg_hid("reserved item type, tag 0x%x\n", item->tag);
570dde5845aSJiri Kosina 	return 0;
571dde5845aSJiri Kosina }
572dde5845aSJiri Kosina 
573dde5845aSJiri Kosina /*
574dde5845aSJiri Kosina  * Free a report and all registered fields. The field->usage and
575dde5845aSJiri Kosina  * field->value table's are allocated behind the field, so we need
576dde5845aSJiri Kosina  * only to free(field) itself.
577dde5845aSJiri Kosina  */
578dde5845aSJiri Kosina 
579dde5845aSJiri Kosina static void hid_free_report(struct hid_report *report)
580dde5845aSJiri Kosina {
581dde5845aSJiri Kosina 	unsigned n;
582dde5845aSJiri Kosina 
583dde5845aSJiri Kosina 	for (n = 0; n < report->maxfield; n++)
584dde5845aSJiri Kosina 		kfree(report->field[n]);
585dde5845aSJiri Kosina 	kfree(report);
586dde5845aSJiri Kosina }
587dde5845aSJiri Kosina 
588dde5845aSJiri Kosina /*
589a7197c2eSHenrik Rydberg  * Close report. This function returns the device
590a7197c2eSHenrik Rydberg  * state to the point prior to hid_open_report().
591dde5845aSJiri Kosina  */
592a7197c2eSHenrik Rydberg static void hid_close_report(struct hid_device *device)
593dde5845aSJiri Kosina {
594dde5845aSJiri Kosina 	unsigned i, j;
595dde5845aSJiri Kosina 
596dde5845aSJiri Kosina 	for (i = 0; i < HID_REPORT_TYPES; i++) {
597dde5845aSJiri Kosina 		struct hid_report_enum *report_enum = device->report_enum + i;
598dde5845aSJiri Kosina 
59943622021SKees Cook 		for (j = 0; j < HID_MAX_IDS; j++) {
600dde5845aSJiri Kosina 			struct hid_report *report = report_enum->report_id_hash[j];
601dde5845aSJiri Kosina 			if (report)
602dde5845aSJiri Kosina 				hid_free_report(report);
603dde5845aSJiri Kosina 		}
604a7197c2eSHenrik Rydberg 		memset(report_enum, 0, sizeof(*report_enum));
605a7197c2eSHenrik Rydberg 		INIT_LIST_HEAD(&report_enum->report_list);
606dde5845aSJiri Kosina 	}
607dde5845aSJiri Kosina 
608dde5845aSJiri Kosina 	kfree(device->rdesc);
609a7197c2eSHenrik Rydberg 	device->rdesc = NULL;
610a7197c2eSHenrik Rydberg 	device->rsize = 0;
611a7197c2eSHenrik Rydberg 
612767fe787SJiri Kosina 	kfree(device->collection);
613a7197c2eSHenrik Rydberg 	device->collection = NULL;
614a7197c2eSHenrik Rydberg 	device->collection_size = 0;
615a7197c2eSHenrik Rydberg 	device->maxcollection = 0;
616a7197c2eSHenrik Rydberg 	device->maxapplication = 0;
617a7197c2eSHenrik Rydberg 
618a7197c2eSHenrik Rydberg 	device->status &= ~HID_STAT_PARSED;
619a7197c2eSHenrik Rydberg }
620a7197c2eSHenrik Rydberg 
621a7197c2eSHenrik Rydberg /*
622a7197c2eSHenrik Rydberg  * Free a device structure, all reports, and all fields.
623a7197c2eSHenrik Rydberg  */
624a7197c2eSHenrik Rydberg 
625a7197c2eSHenrik Rydberg static void hid_device_release(struct device *dev)
626a7197c2eSHenrik Rydberg {
627ee79a8f8SGeliang Tang 	struct hid_device *hid = to_hid_device(dev);
628a7197c2eSHenrik Rydberg 
629a7197c2eSHenrik Rydberg 	hid_close_report(hid);
630a7197c2eSHenrik Rydberg 	kfree(hid->dev_rdesc);
631a7197c2eSHenrik Rydberg 	kfree(hid);
632dde5845aSJiri Kosina }
633dde5845aSJiri Kosina 
634dde5845aSJiri Kosina /*
635dde5845aSJiri Kosina  * Fetch a report description item from the data stream. We support long
636dde5845aSJiri Kosina  * items, though they are not used yet.
637dde5845aSJiri Kosina  */
638dde5845aSJiri Kosina 
639dde5845aSJiri Kosina static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
640dde5845aSJiri Kosina {
641dde5845aSJiri Kosina 	u8 b;
642dde5845aSJiri Kosina 
643dde5845aSJiri Kosina 	if ((end - start) <= 0)
644dde5845aSJiri Kosina 		return NULL;
645dde5845aSJiri Kosina 
646dde5845aSJiri Kosina 	b = *start++;
647dde5845aSJiri Kosina 
648dde5845aSJiri Kosina 	item->type = (b >> 2) & 3;
649dde5845aSJiri Kosina 	item->tag  = (b >> 4) & 15;
650dde5845aSJiri Kosina 
651dde5845aSJiri Kosina 	if (item->tag == HID_ITEM_TAG_LONG) {
652dde5845aSJiri Kosina 
653dde5845aSJiri Kosina 		item->format = HID_ITEM_FORMAT_LONG;
654dde5845aSJiri Kosina 
655dde5845aSJiri Kosina 		if ((end - start) < 2)
656dde5845aSJiri Kosina 			return NULL;
657dde5845aSJiri Kosina 
658dde5845aSJiri Kosina 		item->size = *start++;
659dde5845aSJiri Kosina 		item->tag  = *start++;
660dde5845aSJiri Kosina 
661dde5845aSJiri Kosina 		if ((end - start) < item->size)
662dde5845aSJiri Kosina 			return NULL;
663dde5845aSJiri Kosina 
664dde5845aSJiri Kosina 		item->data.longdata = start;
665dde5845aSJiri Kosina 		start += item->size;
666dde5845aSJiri Kosina 		return start;
667dde5845aSJiri Kosina 	}
668dde5845aSJiri Kosina 
669dde5845aSJiri Kosina 	item->format = HID_ITEM_FORMAT_SHORT;
670dde5845aSJiri Kosina 	item->size = b & 3;
671dde5845aSJiri Kosina 
672dde5845aSJiri Kosina 	switch (item->size) {
673dde5845aSJiri Kosina 	case 0:
674dde5845aSJiri Kosina 		return start;
675dde5845aSJiri Kosina 
676dde5845aSJiri Kosina 	case 1:
677dde5845aSJiri Kosina 		if ((end - start) < 1)
678dde5845aSJiri Kosina 			return NULL;
679dde5845aSJiri Kosina 		item->data.u8 = *start++;
680dde5845aSJiri Kosina 		return start;
681dde5845aSJiri Kosina 
682dde5845aSJiri Kosina 	case 2:
683dde5845aSJiri Kosina 		if ((end - start) < 2)
684dde5845aSJiri Kosina 			return NULL;
685c105068fSHarvey Harrison 		item->data.u16 = get_unaligned_le16(start);
686dde5845aSJiri Kosina 		start = (__u8 *)((__le16 *)start + 1);
687dde5845aSJiri Kosina 		return start;
688dde5845aSJiri Kosina 
689dde5845aSJiri Kosina 	case 3:
690dde5845aSJiri Kosina 		item->size++;
691dde5845aSJiri Kosina 		if ((end - start) < 4)
692dde5845aSJiri Kosina 			return NULL;
693c105068fSHarvey Harrison 		item->data.u32 = get_unaligned_le32(start);
694dde5845aSJiri Kosina 		start = (__u8 *)((__le32 *)start + 1);
695dde5845aSJiri Kosina 		return start;
696dde5845aSJiri Kosina 	}
697dde5845aSJiri Kosina 
698dde5845aSJiri Kosina 	return NULL;
699dde5845aSJiri Kosina }
700dde5845aSJiri Kosina 
7013dc8fc08SBenjamin Tissoires static void hid_scan_input_usage(struct hid_parser *parser, u32 usage)
702734c6609SHenrik Rydberg {
7033dc8fc08SBenjamin Tissoires 	struct hid_device *hid = parser->device;
7043dc8fc08SBenjamin Tissoires 
7054fa3a583SHenrik Rydberg 	if (usage == HID_DG_CONTACTID)
7064fa3a583SHenrik Rydberg 		hid->group = HID_GROUP_MULTITOUCH;
707734c6609SHenrik Rydberg }
708734c6609SHenrik Rydberg 
709f961bd35SBenjamin Tissoires static void hid_scan_feature_usage(struct hid_parser *parser, u32 usage)
710f961bd35SBenjamin Tissoires {
711f961bd35SBenjamin Tissoires 	if (usage == 0xff0000c5 && parser->global.report_count == 256 &&
712f961bd35SBenjamin Tissoires 	    parser->global.report_size == 8)
713f961bd35SBenjamin Tissoires 		parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8;
714f961bd35SBenjamin Tissoires }
715f961bd35SBenjamin Tissoires 
7163dc8fc08SBenjamin Tissoires static void hid_scan_collection(struct hid_parser *parser, unsigned type)
7173dc8fc08SBenjamin Tissoires {
7183dc8fc08SBenjamin Tissoires 	struct hid_device *hid = parser->device;
719e39f2d59SAndrew Duggan 	int i;
7203dc8fc08SBenjamin Tissoires 
7213dc8fc08SBenjamin Tissoires 	if (((parser->global.usage_page << 16) == HID_UP_SENSOR) &&
7223dc8fc08SBenjamin Tissoires 	    type == HID_COLLECTION_PHYSICAL)
7233dc8fc08SBenjamin Tissoires 		hid->group = HID_GROUP_SENSOR_HUB;
724be3b1634SAlan Wu 
725be3b1634SAlan Wu 	if (hid->vendor == USB_VENDOR_ID_MICROSOFT &&
7260a76ac80SDennis Chen 	    hid->product == USB_DEVICE_ID_MS_POWER_COVER &&
727be3b1634SAlan Wu 	    hid->group == HID_GROUP_MULTITOUCH)
728be3b1634SAlan Wu 		hid->group = HID_GROUP_GENERIC;
729e39f2d59SAndrew Duggan 
730e39f2d59SAndrew Duggan 	if ((parser->global.usage_page << 16) == HID_UP_GENDESK)
731e39f2d59SAndrew Duggan 		for (i = 0; i < parser->local.usage_index; i++)
732e39f2d59SAndrew Duggan 			if (parser->local.usage[i] == HID_GD_POINTER)
733e39f2d59SAndrew Duggan 				parser->scan_flags |= HID_SCAN_FLAG_GD_POINTER;
734e39f2d59SAndrew Duggan 
735e39f2d59SAndrew Duggan 	if ((parser->global.usage_page << 16) >= HID_UP_MSVENDOR)
736e39f2d59SAndrew Duggan 		parser->scan_flags |= HID_SCAN_FLAG_VENDOR_SPECIFIC;
7373dc8fc08SBenjamin Tissoires }
7383dc8fc08SBenjamin Tissoires 
7393dc8fc08SBenjamin Tissoires static int hid_scan_main(struct hid_parser *parser, struct hid_item *item)
7403dc8fc08SBenjamin Tissoires {
7413dc8fc08SBenjamin Tissoires 	__u32 data;
7423dc8fc08SBenjamin Tissoires 	int i;
7433dc8fc08SBenjamin Tissoires 
7443dc8fc08SBenjamin Tissoires 	data = item_udata(item);
7453dc8fc08SBenjamin Tissoires 
7463dc8fc08SBenjamin Tissoires 	switch (item->tag) {
7473dc8fc08SBenjamin Tissoires 	case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
7483dc8fc08SBenjamin Tissoires 		hid_scan_collection(parser, data & 0xff);
7493dc8fc08SBenjamin Tissoires 		break;
7503dc8fc08SBenjamin Tissoires 	case HID_MAIN_ITEM_TAG_END_COLLECTION:
7513dc8fc08SBenjamin Tissoires 		break;
7523dc8fc08SBenjamin Tissoires 	case HID_MAIN_ITEM_TAG_INPUT:
753e24d0d39SBenjamin Tissoires 		/* ignore constant inputs, they will be ignored by hid-input */
754e24d0d39SBenjamin Tissoires 		if (data & HID_MAIN_ITEM_CONSTANT)
755e24d0d39SBenjamin Tissoires 			break;
7563dc8fc08SBenjamin Tissoires 		for (i = 0; i < parser->local.usage_index; i++)
7573dc8fc08SBenjamin Tissoires 			hid_scan_input_usage(parser, parser->local.usage[i]);
7583dc8fc08SBenjamin Tissoires 		break;
7593dc8fc08SBenjamin Tissoires 	case HID_MAIN_ITEM_TAG_OUTPUT:
7603dc8fc08SBenjamin Tissoires 		break;
7613dc8fc08SBenjamin Tissoires 	case HID_MAIN_ITEM_TAG_FEATURE:
762f961bd35SBenjamin Tissoires 		for (i = 0; i < parser->local.usage_index; i++)
763f961bd35SBenjamin Tissoires 			hid_scan_feature_usage(parser, parser->local.usage[i]);
7643dc8fc08SBenjamin Tissoires 		break;
7653dc8fc08SBenjamin Tissoires 	}
7663dc8fc08SBenjamin Tissoires 
7673dc8fc08SBenjamin Tissoires 	/* Reset the local parser environment */
7683dc8fc08SBenjamin Tissoires 	memset(&parser->local, 0, sizeof(parser->local));
7693dc8fc08SBenjamin Tissoires 
7703dc8fc08SBenjamin Tissoires 	return 0;
7713dc8fc08SBenjamin Tissoires }
7723dc8fc08SBenjamin Tissoires 
773734c6609SHenrik Rydberg /*
774734c6609SHenrik Rydberg  * Scan a report descriptor before the device is added to the bus.
775734c6609SHenrik Rydberg  * Sets device groups and other properties that determine what driver
776734c6609SHenrik Rydberg  * to load.
777734c6609SHenrik Rydberg  */
778734c6609SHenrik Rydberg static int hid_scan_report(struct hid_device *hid)
779734c6609SHenrik Rydberg {
7803dc8fc08SBenjamin Tissoires 	struct hid_parser *parser;
7813dc8fc08SBenjamin Tissoires 	struct hid_item item;
782734c6609SHenrik Rydberg 	__u8 *start = hid->dev_rdesc;
783734c6609SHenrik Rydberg 	__u8 *end = start + hid->dev_rsize;
7843dc8fc08SBenjamin Tissoires 	static int (*dispatch_type[])(struct hid_parser *parser,
7853dc8fc08SBenjamin Tissoires 				      struct hid_item *item) = {
7863dc8fc08SBenjamin Tissoires 		hid_scan_main,
7873dc8fc08SBenjamin Tissoires 		hid_parser_global,
7883dc8fc08SBenjamin Tissoires 		hid_parser_local,
7893dc8fc08SBenjamin Tissoires 		hid_parser_reserved
7903dc8fc08SBenjamin Tissoires 	};
791734c6609SHenrik Rydberg 
7923dc8fc08SBenjamin Tissoires 	parser = vzalloc(sizeof(struct hid_parser));
7933dc8fc08SBenjamin Tissoires 	if (!parser)
7943dc8fc08SBenjamin Tissoires 		return -ENOMEM;
7953dc8fc08SBenjamin Tissoires 
7963dc8fc08SBenjamin Tissoires 	parser->device = hid;
797734c6609SHenrik Rydberg 	hid->group = HID_GROUP_GENERIC;
798734c6609SHenrik Rydberg 
7993dc8fc08SBenjamin Tissoires 	/*
8003dc8fc08SBenjamin Tissoires 	 * The parsing is simpler than the one in hid_open_report() as we should
8013dc8fc08SBenjamin Tissoires 	 * be robust against hid errors. Those errors will be raised by
8023dc8fc08SBenjamin Tissoires 	 * hid_open_report() anyway.
8033dc8fc08SBenjamin Tissoires 	 */
8043dc8fc08SBenjamin Tissoires 	while ((start = fetch_item(start, end, &item)) != NULL)
8053dc8fc08SBenjamin Tissoires 		dispatch_type[item.type](parser, &item);
8063dc8fc08SBenjamin Tissoires 
807f961bd35SBenjamin Tissoires 	/*
808f961bd35SBenjamin Tissoires 	 * Handle special flags set during scanning.
809f961bd35SBenjamin Tissoires 	 */
810f961bd35SBenjamin Tissoires 	if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) &&
811f961bd35SBenjamin Tissoires 	    (hid->group == HID_GROUP_MULTITOUCH))
812f961bd35SBenjamin Tissoires 		hid->group = HID_GROUP_MULTITOUCH_WIN_8;
813f961bd35SBenjamin Tissoires 
814ba391e5aSBenjamin Tissoires 	/*
815ba391e5aSBenjamin Tissoires 	 * Vendor specific handlings
816ba391e5aSBenjamin Tissoires 	 */
81729b47391SBenjamin Tissoires 	switch (hid->vendor) {
81829b47391SBenjamin Tissoires 	case USB_VENDOR_ID_WACOM:
81929b47391SBenjamin Tissoires 		hid->group = HID_GROUP_WACOM;
82029b47391SBenjamin Tissoires 		break;
821c241c5eeSBenjamin Tissoires 	case USB_VENDOR_ID_SYNAPTICS:
82284379d83SJiri Kosina 		if (hid->group == HID_GROUP_GENERIC)
823e39f2d59SAndrew Duggan 			if ((parser->scan_flags & HID_SCAN_FLAG_VENDOR_SPECIFIC)
824e39f2d59SAndrew Duggan 			    && (parser->scan_flags & HID_SCAN_FLAG_GD_POINTER))
825e39f2d59SAndrew Duggan 				/*
826e39f2d59SAndrew Duggan 				 * hid-rmi should take care of them,
827e39f2d59SAndrew Duggan 				 * not hid-generic
828e39f2d59SAndrew Duggan 				 */
829c241c5eeSBenjamin Tissoires 				hid->group = HID_GROUP_RMI;
830c241c5eeSBenjamin Tissoires 		break;
83129b47391SBenjamin Tissoires 	}
83229b47391SBenjamin Tissoires 
8330ca4cd7bSJiri Kosina 	/* fall back to generic driver in case specific driver doesn't exist */
8340ca4cd7bSJiri Kosina 	switch (hid->group) {
8350ca4cd7bSJiri Kosina 	case HID_GROUP_MULTITOUCH_WIN_8:
8360ca4cd7bSJiri Kosina 		/* fall-through */
8370ca4cd7bSJiri Kosina 	case HID_GROUP_MULTITOUCH:
8380ca4cd7bSJiri Kosina 		if (!IS_ENABLED(CONFIG_HID_MULTITOUCH))
8390ca4cd7bSJiri Kosina 			hid->group = HID_GROUP_GENERIC;
8400ca4cd7bSJiri Kosina 		break;
8410ca4cd7bSJiri Kosina 	case HID_GROUP_SENSOR_HUB:
8420ca4cd7bSJiri Kosina 		if (!IS_ENABLED(CONFIG_HID_SENSOR_HUB))
8430ca4cd7bSJiri Kosina 			hid->group = HID_GROUP_GENERIC;
8440ca4cd7bSJiri Kosina 		break;
8450ca4cd7bSJiri Kosina 	case HID_GROUP_RMI:
8460ca4cd7bSJiri Kosina 		if (!IS_ENABLED(CONFIG_HID_RMI))
8470ca4cd7bSJiri Kosina 			hid->group = HID_GROUP_GENERIC;
8480ca4cd7bSJiri Kosina 		break;
8490ca4cd7bSJiri Kosina 	case HID_GROUP_WACOM:
8500ca4cd7bSJiri Kosina 		if (!IS_ENABLED(CONFIG_HID_WACOM))
8510ca4cd7bSJiri Kosina 			hid->group = HID_GROUP_GENERIC;
8520ca4cd7bSJiri Kosina 		break;
8530ca4cd7bSJiri Kosina 	case HID_GROUP_LOGITECH_DJ_DEVICE:
8540ca4cd7bSJiri Kosina 		if (!IS_ENABLED(CONFIG_HID_LOGITECH_DJ))
8550ca4cd7bSJiri Kosina 			hid->group = HID_GROUP_GENERIC;
8560ca4cd7bSJiri Kosina 		break;
8570ca4cd7bSJiri Kosina 	}
8583dc8fc08SBenjamin Tissoires 	vfree(parser);
859734c6609SHenrik Rydberg 	return 0;
860734c6609SHenrik Rydberg }
861734c6609SHenrik Rydberg 
86285cdaf52SJiri Slaby /**
86385cdaf52SJiri Slaby  * hid_parse_report - parse device report
86485cdaf52SJiri Slaby  *
86585cdaf52SJiri Slaby  * @device: hid device
86685cdaf52SJiri Slaby  * @start: report start
86785cdaf52SJiri Slaby  * @size: report size
86885cdaf52SJiri Slaby  *
869a7197c2eSHenrik Rydberg  * Allocate the device report as read by the bus driver. This function should
870a7197c2eSHenrik Rydberg  * only be called from parse() in ll drivers.
871a7197c2eSHenrik Rydberg  */
872a7197c2eSHenrik Rydberg int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size)
873a7197c2eSHenrik Rydberg {
874a7197c2eSHenrik Rydberg 	hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL);
875a7197c2eSHenrik Rydberg 	if (!hid->dev_rdesc)
876a7197c2eSHenrik Rydberg 		return -ENOMEM;
877a7197c2eSHenrik Rydberg 	hid->dev_rsize = size;
878a7197c2eSHenrik Rydberg 	return 0;
879a7197c2eSHenrik Rydberg }
880a7197c2eSHenrik Rydberg EXPORT_SYMBOL_GPL(hid_parse_report);
881a7197c2eSHenrik Rydberg 
882331415ffSKees Cook static const char * const hid_report_names[] = {
883331415ffSKees Cook 	"HID_INPUT_REPORT",
884331415ffSKees Cook 	"HID_OUTPUT_REPORT",
885331415ffSKees Cook 	"HID_FEATURE_REPORT",
886331415ffSKees Cook };
887331415ffSKees Cook /**
888331415ffSKees Cook  * hid_validate_values - validate existing device report's value indexes
889331415ffSKees Cook  *
890331415ffSKees Cook  * @device: hid device
891331415ffSKees Cook  * @type: which report type to examine
892331415ffSKees Cook  * @id: which report ID to examine (0 for first)
893331415ffSKees Cook  * @field_index: which report field to examine
894331415ffSKees Cook  * @report_counts: expected number of values
895331415ffSKees Cook  *
896331415ffSKees Cook  * Validate the number of values in a given field of a given report, after
897331415ffSKees Cook  * parsing.
898331415ffSKees Cook  */
899331415ffSKees Cook struct hid_report *hid_validate_values(struct hid_device *hid,
900331415ffSKees Cook 				       unsigned int type, unsigned int id,
901331415ffSKees Cook 				       unsigned int field_index,
902331415ffSKees Cook 				       unsigned int report_counts)
903331415ffSKees Cook {
904331415ffSKees Cook 	struct hid_report *report;
905331415ffSKees Cook 
906331415ffSKees Cook 	if (type > HID_FEATURE_REPORT) {
907331415ffSKees Cook 		hid_err(hid, "invalid HID report type %u\n", type);
908331415ffSKees Cook 		return NULL;
909331415ffSKees Cook 	}
910331415ffSKees Cook 
911331415ffSKees Cook 	if (id >= HID_MAX_IDS) {
912331415ffSKees Cook 		hid_err(hid, "invalid HID report id %u\n", id);
913331415ffSKees Cook 		return NULL;
914331415ffSKees Cook 	}
915331415ffSKees Cook 
916331415ffSKees Cook 	/*
917331415ffSKees Cook 	 * Explicitly not using hid_get_report() here since it depends on
918331415ffSKees Cook 	 * ->numbered being checked, which may not always be the case when
919331415ffSKees Cook 	 * drivers go to access report values.
920331415ffSKees Cook 	 */
9211b15d2e5SKees Cook 	if (id == 0) {
9221b15d2e5SKees Cook 		/*
9231b15d2e5SKees Cook 		 * Validating on id 0 means we should examine the first
9241b15d2e5SKees Cook 		 * report in the list.
9251b15d2e5SKees Cook 		 */
9261b15d2e5SKees Cook 		report = list_entry(
9271b15d2e5SKees Cook 				hid->report_enum[type].report_list.next,
9281b15d2e5SKees Cook 				struct hid_report, list);
9291b15d2e5SKees Cook 	} else {
930331415ffSKees Cook 		report = hid->report_enum[type].report_id_hash[id];
9311b15d2e5SKees Cook 	}
932331415ffSKees Cook 	if (!report) {
933331415ffSKees Cook 		hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
934331415ffSKees Cook 		return NULL;
935331415ffSKees Cook 	}
936331415ffSKees Cook 	if (report->maxfield <= field_index) {
937331415ffSKees Cook 		hid_err(hid, "not enough fields in %s %u\n",
938331415ffSKees Cook 			hid_report_names[type], id);
939331415ffSKees Cook 		return NULL;
940331415ffSKees Cook 	}
941331415ffSKees Cook 	if (report->field[field_index]->report_count < report_counts) {
942331415ffSKees Cook 		hid_err(hid, "not enough values in %s %u field %u\n",
943331415ffSKees Cook 			hid_report_names[type], id, field_index);
944331415ffSKees Cook 		return NULL;
945331415ffSKees Cook 	}
946331415ffSKees Cook 	return report;
947331415ffSKees Cook }
948331415ffSKees Cook EXPORT_SYMBOL_GPL(hid_validate_values);
949331415ffSKees Cook 
950a7197c2eSHenrik Rydberg /**
951a7197c2eSHenrik Rydberg  * hid_open_report - open a driver-specific device report
952a7197c2eSHenrik Rydberg  *
953a7197c2eSHenrik Rydberg  * @device: hid device
954a7197c2eSHenrik Rydberg  *
955dde5845aSJiri Kosina  * Parse a report description into a hid_device structure. Reports are
956dde5845aSJiri Kosina  * enumerated, fields are attached to these reports.
95785cdaf52SJiri Slaby  * 0 returned on success, otherwise nonzero error value.
958a7197c2eSHenrik Rydberg  *
959a7197c2eSHenrik Rydberg  * This function (or the equivalent hid_parse() macro) should only be
960a7197c2eSHenrik Rydberg  * called from probe() in drivers, before starting the device.
961dde5845aSJiri Kosina  */
962a7197c2eSHenrik Rydberg int hid_open_report(struct hid_device *device)
963dde5845aSJiri Kosina {
964dde5845aSJiri Kosina 	struct hid_parser *parser;
965dde5845aSJiri Kosina 	struct hid_item item;
966a7197c2eSHenrik Rydberg 	unsigned int size;
967a7197c2eSHenrik Rydberg 	__u8 *start;
96886e6b77eSKevin Daughtridge 	__u8 *buf;
969dde5845aSJiri Kosina 	__u8 *end;
97085cdaf52SJiri Slaby 	int ret;
971dde5845aSJiri Kosina 	static int (*dispatch_type[])(struct hid_parser *parser,
972dde5845aSJiri Kosina 				      struct hid_item *item) = {
973dde5845aSJiri Kosina 		hid_parser_main,
974dde5845aSJiri Kosina 		hid_parser_global,
975dde5845aSJiri Kosina 		hid_parser_local,
976dde5845aSJiri Kosina 		hid_parser_reserved
977dde5845aSJiri Kosina 	};
978dde5845aSJiri Kosina 
979a7197c2eSHenrik Rydberg 	if (WARN_ON(device->status & HID_STAT_PARSED))
980a7197c2eSHenrik Rydberg 		return -EBUSY;
981a7197c2eSHenrik Rydberg 
982a7197c2eSHenrik Rydberg 	start = device->dev_rdesc;
983a7197c2eSHenrik Rydberg 	if (WARN_ON(!start))
984a7197c2eSHenrik Rydberg 		return -ENODEV;
985a7197c2eSHenrik Rydberg 	size = device->dev_rsize;
986a7197c2eSHenrik Rydberg 
98786e6b77eSKevin Daughtridge 	buf = kmemdup(start, size, GFP_KERNEL);
98886e6b77eSKevin Daughtridge 	if (buf == NULL)
98985cdaf52SJiri Slaby 		return -ENOMEM;
99086e6b77eSKevin Daughtridge 
99186e6b77eSKevin Daughtridge 	if (device->driver->report_fixup)
99286e6b77eSKevin Daughtridge 		start = device->driver->report_fixup(device, buf, &size);
99386e6b77eSKevin Daughtridge 	else
99486e6b77eSKevin Daughtridge 		start = buf;
99586e6b77eSKevin Daughtridge 
99686e6b77eSKevin Daughtridge 	start = kmemdup(start, size, GFP_KERNEL);
99786e6b77eSKevin Daughtridge 	kfree(buf);
99886e6b77eSKevin Daughtridge 	if (start == NULL)
99986e6b77eSKevin Daughtridge 		return -ENOMEM;
100086e6b77eSKevin Daughtridge 
100186e6b77eSKevin Daughtridge 	device->rdesc = start;
1002dde5845aSJiri Kosina 	device->rsize = size;
1003dde5845aSJiri Kosina 
1004fe258020SJoe Perches 	parser = vzalloc(sizeof(struct hid_parser));
100585cdaf52SJiri Slaby 	if (!parser) {
100685cdaf52SJiri Slaby 		ret = -ENOMEM;
100785cdaf52SJiri Slaby 		goto err;
1008dde5845aSJiri Kosina 	}
100985cdaf52SJiri Slaby 
1010dde5845aSJiri Kosina 	parser->device = device;
1011dde5845aSJiri Kosina 
1012dde5845aSJiri Kosina 	end = start + size;
1013a7197c2eSHenrik Rydberg 
1014a7197c2eSHenrik Rydberg 	device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
1015a7197c2eSHenrik Rydberg 				     sizeof(struct hid_collection), GFP_KERNEL);
1016a7197c2eSHenrik Rydberg 	if (!device->collection) {
1017a7197c2eSHenrik Rydberg 		ret = -ENOMEM;
1018a7197c2eSHenrik Rydberg 		goto err;
1019a7197c2eSHenrik Rydberg 	}
1020a7197c2eSHenrik Rydberg 	device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
1021a7197c2eSHenrik Rydberg 
102285cdaf52SJiri Slaby 	ret = -EINVAL;
1023dde5845aSJiri Kosina 	while ((start = fetch_item(start, end, &item)) != NULL) {
1024dde5845aSJiri Kosina 
1025dde5845aSJiri Kosina 		if (item.format != HID_ITEM_FORMAT_SHORT) {
10268c3d52fcSJiri Kosina 			hid_err(device, "unexpected long global item\n");
102785cdaf52SJiri Slaby 			goto err;
1028dde5845aSJiri Kosina 		}
1029dde5845aSJiri Kosina 
1030dde5845aSJiri Kosina 		if (dispatch_type[item.type](parser, &item)) {
10318c3d52fcSJiri Kosina 			hid_err(device, "item %u %u %u %u parsing failed\n",
10324291ee30SJoe Perches 				item.format, (unsigned)item.size,
10334291ee30SJoe Perches 				(unsigned)item.type, (unsigned)item.tag);
103485cdaf52SJiri Slaby 			goto err;
1035dde5845aSJiri Kosina 		}
1036dde5845aSJiri Kosina 
1037dde5845aSJiri Kosina 		if (start == end) {
1038dde5845aSJiri Kosina 			if (parser->collection_stack_ptr) {
10398c3d52fcSJiri Kosina 				hid_err(device, "unbalanced collection at end of report description\n");
104085cdaf52SJiri Slaby 				goto err;
1041dde5845aSJiri Kosina 			}
1042dde5845aSJiri Kosina 			if (parser->local.delimiter_depth) {
10438c3d52fcSJiri Kosina 				hid_err(device, "unbalanced delimiter at end of report description\n");
104485cdaf52SJiri Slaby 				goto err;
1045dde5845aSJiri Kosina 			}
104647a80edbSJiri Kosina 			vfree(parser);
1047a7197c2eSHenrik Rydberg 			device->status |= HID_STAT_PARSED;
104885cdaf52SJiri Slaby 			return 0;
1049dde5845aSJiri Kosina 		}
1050dde5845aSJiri Kosina 	}
1051dde5845aSJiri Kosina 
10528c3d52fcSJiri Kosina 	hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
105385cdaf52SJiri Slaby err:
105447a80edbSJiri Kosina 	vfree(parser);
1055a7197c2eSHenrik Rydberg 	hid_close_report(device);
105685cdaf52SJiri Slaby 	return ret;
1057dde5845aSJiri Kosina }
1058a7197c2eSHenrik Rydberg EXPORT_SYMBOL_GPL(hid_open_report);
1059dde5845aSJiri Kosina 
1060dde5845aSJiri Kosina /*
1061dde5845aSJiri Kosina  * Convert a signed n-bit integer to signed 32-bit integer. Common
1062dde5845aSJiri Kosina  * cases are done through the compiler, the screwed things has to be
1063dde5845aSJiri Kosina  * done by hand.
1064dde5845aSJiri Kosina  */
1065dde5845aSJiri Kosina 
1066dde5845aSJiri Kosina static s32 snto32(__u32 value, unsigned n)
1067dde5845aSJiri Kosina {
1068dde5845aSJiri Kosina 	switch (n) {
1069dde5845aSJiri Kosina 	case 8:  return ((__s8)value);
1070dde5845aSJiri Kosina 	case 16: return ((__s16)value);
1071dde5845aSJiri Kosina 	case 32: return ((__s32)value);
1072dde5845aSJiri Kosina 	}
107308585e43SAndy Shevchenko 	return value & (1 << (n - 1)) ? value | (~0U << n) : value;
1074dde5845aSJiri Kosina }
1075dde5845aSJiri Kosina 
107677463838SBenjamin Tissoires s32 hid_snto32(__u32 value, unsigned n)
107777463838SBenjamin Tissoires {
107877463838SBenjamin Tissoires 	return snto32(value, n);
107977463838SBenjamin Tissoires }
108077463838SBenjamin Tissoires EXPORT_SYMBOL_GPL(hid_snto32);
108177463838SBenjamin Tissoires 
1082dde5845aSJiri Kosina /*
1083dde5845aSJiri Kosina  * Convert a signed 32-bit integer to a signed n-bit integer.
1084dde5845aSJiri Kosina  */
1085dde5845aSJiri Kosina 
1086dde5845aSJiri Kosina static u32 s32ton(__s32 value, unsigned n)
1087dde5845aSJiri Kosina {
1088dde5845aSJiri Kosina 	s32 a = value >> (n - 1);
1089dde5845aSJiri Kosina 	if (a && a != -1)
1090dde5845aSJiri Kosina 		return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
1091dde5845aSJiri Kosina 	return value & ((1 << n) - 1);
1092dde5845aSJiri Kosina }
1093dde5845aSJiri Kosina 
1094dde5845aSJiri Kosina /*
1095dde5845aSJiri Kosina  * Extract/implement a data field from/to a little endian report (bit array).
1096dde5845aSJiri Kosina  *
1097dde5845aSJiri Kosina  * Code sort-of follows HID spec:
10985137b354SDmitry Torokhov  *     http://www.usb.org/developers/hidpage/HID1_11.pdf
1099dde5845aSJiri Kosina  *
1100dde5845aSJiri Kosina  * While the USB HID spec allows unlimited length bit fields in "report
1101dde5845aSJiri Kosina  * descriptors", most devices never use more than 16 bits.
1102dde5845aSJiri Kosina  * One model of UPS is claimed to report "LINEV" as a 32-bit field.
1103dde5845aSJiri Kosina  * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
1104dde5845aSJiri Kosina  */
1105dde5845aSJiri Kosina 
11065137b354SDmitry Torokhov static u32 __extract(u8 *report, unsigned offset, int n)
11075137b354SDmitry Torokhov {
11085137b354SDmitry Torokhov 	unsigned int idx = offset / 8;
11095137b354SDmitry Torokhov 	unsigned int bit_nr = 0;
11105137b354SDmitry Torokhov 	unsigned int bit_shift = offset % 8;
11115137b354SDmitry Torokhov 	int bits_to_copy = 8 - bit_shift;
11125137b354SDmitry Torokhov 	u32 value = 0;
11135137b354SDmitry Torokhov 	u32 mask = n < 32 ? (1U << n) - 1 : ~0U;
11145137b354SDmitry Torokhov 
11155137b354SDmitry Torokhov 	while (n > 0) {
11165137b354SDmitry Torokhov 		value |= ((u32)report[idx] >> bit_shift) << bit_nr;
11175137b354SDmitry Torokhov 		n -= bits_to_copy;
11185137b354SDmitry Torokhov 		bit_nr += bits_to_copy;
11195137b354SDmitry Torokhov 		bits_to_copy = 8;
11205137b354SDmitry Torokhov 		bit_shift = 0;
11215137b354SDmitry Torokhov 		idx++;
11225137b354SDmitry Torokhov 	}
11235137b354SDmitry Torokhov 
11245137b354SDmitry Torokhov 	return value & mask;
11255137b354SDmitry Torokhov }
11265137b354SDmitry Torokhov 
11275137b354SDmitry Torokhov u32 hid_field_extract(const struct hid_device *hid, u8 *report,
11284291ee30SJoe Perches 			unsigned offset, unsigned n)
1129dde5845aSJiri Kosina {
11305137b354SDmitry Torokhov 	if (n > 32) {
113104fba786SGoffredo Baroncelli 		hid_warn(hid, "hid_field_extract() called with n (%d) > 32! (%s)\n",
1132c4124c9bSJiri Kosina 			 n, current->comm);
11335137b354SDmitry Torokhov 		n = 32;
11345137b354SDmitry Torokhov 	}
1135dde5845aSJiri Kosina 
11365137b354SDmitry Torokhov 	return __extract(report, offset, n);
1137dde5845aSJiri Kosina }
113804fba786SGoffredo Baroncelli EXPORT_SYMBOL_GPL(hid_field_extract);
1139dde5845aSJiri Kosina 
1140dde5845aSJiri Kosina /*
1141dde5845aSJiri Kosina  * "implement" : set bits in a little endian bit stream.
1142dde5845aSJiri Kosina  * Same concepts as "extract" (see comments above).
1143dde5845aSJiri Kosina  * The data mangled in the bit stream remains in little endian
1144dde5845aSJiri Kosina  * order the whole time. It make more sense to talk about
1145dde5845aSJiri Kosina  * endianness of register values by considering a register
11465137b354SDmitry Torokhov  * a "cached" copy of the little endian bit stream.
1147dde5845aSJiri Kosina  */
1148dde5845aSJiri Kosina 
11495137b354SDmitry Torokhov static void __implement(u8 *report, unsigned offset, int n, u32 value)
11505137b354SDmitry Torokhov {
11515137b354SDmitry Torokhov 	unsigned int idx = offset / 8;
11525137b354SDmitry Torokhov 	unsigned int bit_shift = offset % 8;
11535137b354SDmitry Torokhov 	int bits_to_set = 8 - bit_shift;
11545137b354SDmitry Torokhov 
11555137b354SDmitry Torokhov 	while (n - bits_to_set >= 0) {
115695d1c895SDmitry Torokhov 		report[idx] &= ~(0xff << bit_shift);
11575137b354SDmitry Torokhov 		report[idx] |= value << bit_shift;
11585137b354SDmitry Torokhov 		value >>= bits_to_set;
11595137b354SDmitry Torokhov 		n -= bits_to_set;
11605137b354SDmitry Torokhov 		bits_to_set = 8;
11615137b354SDmitry Torokhov 		bit_shift = 0;
11625137b354SDmitry Torokhov 		idx++;
11635137b354SDmitry Torokhov 	}
11645137b354SDmitry Torokhov 
11655137b354SDmitry Torokhov 	/* last nibble */
11665137b354SDmitry Torokhov 	if (n) {
116795d1c895SDmitry Torokhov 		u8 bit_mask = ((1U << n) - 1);
116895d1c895SDmitry Torokhov 		report[idx] &= ~(bit_mask << bit_shift);
116995d1c895SDmitry Torokhov 		report[idx] |= value << bit_shift;
11705137b354SDmitry Torokhov 	}
11715137b354SDmitry Torokhov }
11725137b354SDmitry Torokhov 
11735137b354SDmitry Torokhov static void implement(const struct hid_device *hid, u8 *report,
11745137b354SDmitry Torokhov 		      unsigned offset, unsigned n, u32 value)
11755137b354SDmitry Torokhov {
117695d1c895SDmitry Torokhov 	if (unlikely(n > 32)) {
11774291ee30SJoe Perches 		hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
11784291ee30SJoe Perches 			 __func__, n, current->comm);
11795137b354SDmitry Torokhov 		n = 32;
118095d1c895SDmitry Torokhov 	} else if (n < 32) {
118195d1c895SDmitry Torokhov 		u32 m = (1U << n) - 1;
1182dde5845aSJiri Kosina 
118395d1c895SDmitry Torokhov 		if (unlikely(value > m)) {
118495d1c895SDmitry Torokhov 			hid_warn(hid,
118595d1c895SDmitry Torokhov 				 "%s() called with too large value %d (n: %d)! (%s)\n",
118695d1c895SDmitry Torokhov 				 __func__, value, n, current->comm);
118795d1c895SDmitry Torokhov 			WARN_ON(1);
1188dde5845aSJiri Kosina 			value &= m;
118995d1c895SDmitry Torokhov 		}
119095d1c895SDmitry Torokhov 	}
1191dde5845aSJiri Kosina 
11925137b354SDmitry Torokhov 	__implement(report, offset, n, value);
1193dde5845aSJiri Kosina }
1194dde5845aSJiri Kosina 
1195dde5845aSJiri Kosina /*
1196dde5845aSJiri Kosina  * Search an array for a value.
1197dde5845aSJiri Kosina  */
1198dde5845aSJiri Kosina 
119916ee4cc8SJoe Perches static int search(__s32 *array, __s32 value, unsigned n)
1200dde5845aSJiri Kosina {
1201dde5845aSJiri Kosina 	while (n--) {
1202dde5845aSJiri Kosina 		if (*array++ == value)
1203dde5845aSJiri Kosina 			return 0;
1204dde5845aSJiri Kosina 	}
1205dde5845aSJiri Kosina 	return -1;
1206dde5845aSJiri Kosina }
1207dde5845aSJiri Kosina 
120885cdaf52SJiri Slaby /**
120985cdaf52SJiri Slaby  * hid_match_report - check if driver's raw_event should be called
121085cdaf52SJiri Slaby  *
121185cdaf52SJiri Slaby  * @hid: hid device
121285cdaf52SJiri Slaby  * @report_type: type to match against
121385cdaf52SJiri Slaby  *
121485cdaf52SJiri Slaby  * compare hid->driver->report_table->report_type to report->type
121585cdaf52SJiri Slaby  */
121685cdaf52SJiri Slaby static int hid_match_report(struct hid_device *hid, struct hid_report *report)
1217dde5845aSJiri Kosina {
121885cdaf52SJiri Slaby 	const struct hid_report_id *id = hid->driver->report_table;
121985cdaf52SJiri Slaby 
122085cdaf52SJiri Slaby 	if (!id) /* NULL means all */
122185cdaf52SJiri Slaby 		return 1;
122285cdaf52SJiri Slaby 
122385cdaf52SJiri Slaby 	for (; id->report_type != HID_TERMINATOR; id++)
122485cdaf52SJiri Slaby 		if (id->report_type == HID_ANY_ID ||
122585cdaf52SJiri Slaby 				id->report_type == report->type)
122685cdaf52SJiri Slaby 			return 1;
122785cdaf52SJiri Slaby 	return 0;
122885cdaf52SJiri Slaby }
122985cdaf52SJiri Slaby 
123085cdaf52SJiri Slaby /**
123185cdaf52SJiri Slaby  * hid_match_usage - check if driver's event should be called
123285cdaf52SJiri Slaby  *
123385cdaf52SJiri Slaby  * @hid: hid device
123485cdaf52SJiri Slaby  * @usage: usage to match against
123585cdaf52SJiri Slaby  *
123685cdaf52SJiri Slaby  * compare hid->driver->usage_table->usage_{type,code} to
123785cdaf52SJiri Slaby  * usage->usage_{type,code}
123885cdaf52SJiri Slaby  */
123985cdaf52SJiri Slaby static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
124085cdaf52SJiri Slaby {
124185cdaf52SJiri Slaby 	const struct hid_usage_id *id = hid->driver->usage_table;
124285cdaf52SJiri Slaby 
124385cdaf52SJiri Slaby 	if (!id) /* NULL means all */
124485cdaf52SJiri Slaby 		return 1;
124585cdaf52SJiri Slaby 
124685cdaf52SJiri Slaby 	for (; id->usage_type != HID_ANY_ID - 1; id++)
124785cdaf52SJiri Slaby 		if ((id->usage_hid == HID_ANY_ID ||
124885cdaf52SJiri Slaby 				id->usage_hid == usage->hid) &&
124985cdaf52SJiri Slaby 				(id->usage_type == HID_ANY_ID ||
125085cdaf52SJiri Slaby 				id->usage_type == usage->type) &&
125185cdaf52SJiri Slaby 				(id->usage_code == HID_ANY_ID ||
125285cdaf52SJiri Slaby 				 id->usage_code == usage->code))
125385cdaf52SJiri Slaby 			return 1;
125485cdaf52SJiri Slaby 	return 0;
125585cdaf52SJiri Slaby }
125685cdaf52SJiri Slaby 
125785cdaf52SJiri Slaby static void hid_process_event(struct hid_device *hid, struct hid_field *field,
125885cdaf52SJiri Slaby 		struct hid_usage *usage, __s32 value, int interrupt)
125985cdaf52SJiri Slaby {
126085cdaf52SJiri Slaby 	struct hid_driver *hdrv = hid->driver;
126185cdaf52SJiri Slaby 	int ret;
126285cdaf52SJiri Slaby 
12639bfc8da0SHenrik Rydberg 	if (!list_empty(&hid->debug_list))
1264cd667ce2SJiri Kosina 		hid_dump_input(hid, usage, value);
126585cdaf52SJiri Slaby 
126685cdaf52SJiri Slaby 	if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
126785cdaf52SJiri Slaby 		ret = hdrv->event(hid, field, usage, value);
126885cdaf52SJiri Slaby 		if (ret != 0) {
126985cdaf52SJiri Slaby 			if (ret < 0)
12708c3d52fcSJiri Kosina 				hid_err(hid, "%s's event failed with %d\n",
127185cdaf52SJiri Slaby 						hdrv->name, ret);
127285cdaf52SJiri Slaby 			return;
127385cdaf52SJiri Slaby 		}
127485cdaf52SJiri Slaby 	}
127585cdaf52SJiri Slaby 
1276dde5845aSJiri Kosina 	if (hid->claimed & HID_CLAIMED_INPUT)
1277dde5845aSJiri Kosina 		hidinput_hid_event(hid, field, usage, value);
1278aa938f79SJiri Kosina 	if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
1279aa938f79SJiri Kosina 		hid->hiddev_hid_event(hid, field, usage, value);
1280dde5845aSJiri Kosina }
1281dde5845aSJiri Kosina 
1282dde5845aSJiri Kosina /*
1283dde5845aSJiri Kosina  * Analyse a received field, and fetch the data from it. The field
1284dde5845aSJiri Kosina  * content is stored for next report processing (we do differential
1285dde5845aSJiri Kosina  * reporting to the layer).
1286dde5845aSJiri Kosina  */
1287dde5845aSJiri Kosina 
1288abdff0f7SAdrian Bunk static void hid_input_field(struct hid_device *hid, struct hid_field *field,
1289abdff0f7SAdrian Bunk 			    __u8 *data, int interrupt)
1290dde5845aSJiri Kosina {
1291dde5845aSJiri Kosina 	unsigned n;
1292dde5845aSJiri Kosina 	unsigned count = field->report_count;
1293dde5845aSJiri Kosina 	unsigned offset = field->report_offset;
1294dde5845aSJiri Kosina 	unsigned size = field->report_size;
1295dde5845aSJiri Kosina 	__s32 min = field->logical_minimum;
1296dde5845aSJiri Kosina 	__s32 max = field->logical_maximum;
1297dde5845aSJiri Kosina 	__s32 *value;
1298dde5845aSJiri Kosina 
1299a3789a17SJoe Perches 	value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
1300a3789a17SJoe Perches 	if (!value)
1301dde5845aSJiri Kosina 		return;
1302dde5845aSJiri Kosina 
1303dde5845aSJiri Kosina 	for (n = 0; n < count; n++) {
1304dde5845aSJiri Kosina 
13054291ee30SJoe Perches 		value[n] = min < 0 ?
130604fba786SGoffredo Baroncelli 			snto32(hid_field_extract(hid, data, offset + n * size,
130704fba786SGoffredo Baroncelli 			       size), size) :
130804fba786SGoffredo Baroncelli 			hid_field_extract(hid, data, offset + n * size, size);
1309dde5845aSJiri Kosina 
13104291ee30SJoe Perches 		/* Ignore report if ErrorRollOver */
13114291ee30SJoe Perches 		if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
13124291ee30SJoe Perches 		    value[n] >= min && value[n] <= max &&
131350220deaSBenjamin Tissoires 		    value[n] - min < field->maxusage &&
13144291ee30SJoe Perches 		    field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
1315dde5845aSJiri Kosina 			goto exit;
1316dde5845aSJiri Kosina 	}
1317dde5845aSJiri Kosina 
1318dde5845aSJiri Kosina 	for (n = 0; n < count; n++) {
1319dde5845aSJiri Kosina 
1320dde5845aSJiri Kosina 		if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1321dde5845aSJiri Kosina 			hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1322dde5845aSJiri Kosina 			continue;
1323dde5845aSJiri Kosina 		}
1324dde5845aSJiri Kosina 
1325dde5845aSJiri Kosina 		if (field->value[n] >= min && field->value[n] <= max
132650220deaSBenjamin Tissoires 			&& field->value[n] - min < field->maxusage
1327dde5845aSJiri Kosina 			&& field->usage[field->value[n] - min].hid
1328dde5845aSJiri Kosina 			&& search(value, field->value[n], count))
1329dde5845aSJiri Kosina 				hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1330dde5845aSJiri Kosina 
1331dde5845aSJiri Kosina 		if (value[n] >= min && value[n] <= max
133250220deaSBenjamin Tissoires 			&& value[n] - min < field->maxusage
1333dde5845aSJiri Kosina 			&& field->usage[value[n] - min].hid
1334dde5845aSJiri Kosina 			&& search(field->value, value[n], count))
1335dde5845aSJiri Kosina 				hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1336dde5845aSJiri Kosina 	}
1337dde5845aSJiri Kosina 
1338dde5845aSJiri Kosina 	memcpy(field->value, value, count * sizeof(__s32));
1339dde5845aSJiri Kosina exit:
1340dde5845aSJiri Kosina 	kfree(value);
1341dde5845aSJiri Kosina }
1342dde5845aSJiri Kosina 
1343dde5845aSJiri Kosina /*
1344dde5845aSJiri Kosina  * Output the field into the report.
1345dde5845aSJiri Kosina  */
1346dde5845aSJiri Kosina 
13474291ee30SJoe Perches static void hid_output_field(const struct hid_device *hid,
13484291ee30SJoe Perches 			     struct hid_field *field, __u8 *data)
1349dde5845aSJiri Kosina {
1350dde5845aSJiri Kosina 	unsigned count = field->report_count;
1351dde5845aSJiri Kosina 	unsigned offset = field->report_offset;
1352dde5845aSJiri Kosina 	unsigned size = field->report_size;
1353dde5845aSJiri Kosina 	unsigned n;
1354dde5845aSJiri Kosina 
1355dde5845aSJiri Kosina 	for (n = 0; n < count; n++) {
1356dde5845aSJiri Kosina 		if (field->logical_minimum < 0)	/* signed values */
13574291ee30SJoe Perches 			implement(hid, data, offset + n * size, size,
13584291ee30SJoe Perches 				  s32ton(field->value[n], size));
1359dde5845aSJiri Kosina 		else				/* unsigned values */
13604291ee30SJoe Perches 			implement(hid, data, offset + n * size, size,
13614291ee30SJoe Perches 				  field->value[n]);
1362dde5845aSJiri Kosina 	}
1363dde5845aSJiri Kosina }
1364dde5845aSJiri Kosina 
1365dde5845aSJiri Kosina /*
136627ce4050SJiri Kosina  * Create a report. 'data' has to be allocated using
136727ce4050SJiri Kosina  * hid_alloc_report_buf() so that it has proper size.
1368dde5845aSJiri Kosina  */
1369dde5845aSJiri Kosina 
1370229695e5SJiri Kosina void hid_output_report(struct hid_report *report, __u8 *data)
1371dde5845aSJiri Kosina {
1372dde5845aSJiri Kosina 	unsigned n;
1373dde5845aSJiri Kosina 
1374dde5845aSJiri Kosina 	if (report->id > 0)
1375dde5845aSJiri Kosina 		*data++ = report->id;
1376dde5845aSJiri Kosina 
137775c28df8SPete Zaitcev 	memset(data, 0, ((report->size - 1) >> 3) + 1);
1378dde5845aSJiri Kosina 	for (n = 0; n < report->maxfield; n++)
13794291ee30SJoe Perches 		hid_output_field(report->device, report->field[n], data);
1380dde5845aSJiri Kosina }
1381229695e5SJiri Kosina EXPORT_SYMBOL_GPL(hid_output_report);
1382dde5845aSJiri Kosina 
1383dde5845aSJiri Kosina /*
138427ce4050SJiri Kosina  * Allocator for buffer that is going to be passed to hid_output_report()
138527ce4050SJiri Kosina  */
138627ce4050SJiri Kosina u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
138727ce4050SJiri Kosina {
138827ce4050SJiri Kosina 	/*
138927ce4050SJiri Kosina 	 * 7 extra bytes are necessary to achieve proper functionality
139027ce4050SJiri Kosina 	 * of implement() working on 8 byte chunks
139127ce4050SJiri Kosina 	 */
139227ce4050SJiri Kosina 
139319e4ec52SBenjamin Tissoires 	int len = hid_report_len(report) + 7;
139427ce4050SJiri Kosina 
139527ce4050SJiri Kosina 	return kmalloc(len, flags);
139627ce4050SJiri Kosina }
139727ce4050SJiri Kosina EXPORT_SYMBOL_GPL(hid_alloc_report_buf);
139827ce4050SJiri Kosina 
139927ce4050SJiri Kosina /*
1400dde5845aSJiri Kosina  * Set a field value. The report this field belongs to has to be
1401dde5845aSJiri Kosina  * created and transferred to the device, to set this value in the
1402dde5845aSJiri Kosina  * device.
1403dde5845aSJiri Kosina  */
1404dde5845aSJiri Kosina 
1405dde5845aSJiri Kosina int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1406dde5845aSJiri Kosina {
1407be67b68dSKees Cook 	unsigned size;
1408be67b68dSKees Cook 
1409be67b68dSKees Cook 	if (!field)
1410be67b68dSKees Cook 		return -1;
1411be67b68dSKees Cook 
1412be67b68dSKees Cook 	size = field->report_size;
1413dde5845aSJiri Kosina 
1414cd667ce2SJiri Kosina 	hid_dump_input(field->report->device, field->usage + offset, value);
1415dde5845aSJiri Kosina 
1416dde5845aSJiri Kosina 	if (offset >= field->report_count) {
14178c3d52fcSJiri Kosina 		hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
14188c3d52fcSJiri Kosina 				offset, field->report_count);
1419dde5845aSJiri Kosina 		return -1;
1420dde5845aSJiri Kosina 	}
1421dde5845aSJiri Kosina 	if (field->logical_minimum < 0) {
1422dde5845aSJiri Kosina 		if (value != snto32(s32ton(value, size), size)) {
14238c3d52fcSJiri Kosina 			hid_err(field->report->device, "value %d is out of range\n", value);
1424dde5845aSJiri Kosina 			return -1;
1425dde5845aSJiri Kosina 		}
1426dde5845aSJiri Kosina 	}
1427dde5845aSJiri Kosina 	field->value[offset] = value;
1428dde5845aSJiri Kosina 	return 0;
1429dde5845aSJiri Kosina }
1430229695e5SJiri Kosina EXPORT_SYMBOL_GPL(hid_set_field);
1431dde5845aSJiri Kosina 
143285cdaf52SJiri Slaby static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
143385cdaf52SJiri Slaby 		const u8 *data)
143485cdaf52SJiri Slaby {
143585cdaf52SJiri Slaby 	struct hid_report *report;
143685cdaf52SJiri Slaby 	unsigned int n = 0;	/* Normally report number is 0 */
143785cdaf52SJiri Slaby 
143885cdaf52SJiri Slaby 	/* Device uses numbered reports, data[0] is report number */
143985cdaf52SJiri Slaby 	if (report_enum->numbered)
144085cdaf52SJiri Slaby 		n = *data;
144185cdaf52SJiri Slaby 
144285cdaf52SJiri Slaby 	report = report_enum->report_id_hash[n];
144385cdaf52SJiri Slaby 	if (report == NULL)
144485cdaf52SJiri Slaby 		dbg_hid("undefined report_id %u received\n", n);
144585cdaf52SJiri Slaby 
144685cdaf52SJiri Slaby 	return report;
144785cdaf52SJiri Slaby }
144885cdaf52SJiri Slaby 
14494fa5a7f7SBenjamin Tissoires /*
14504fa5a7f7SBenjamin Tissoires  * Implement a generic .request() callback, using .raw_request()
14514fa5a7f7SBenjamin Tissoires  * DO NOT USE in hid drivers directly, but through hid_hw_request instead.
14524fa5a7f7SBenjamin Tissoires  */
14534fa5a7f7SBenjamin Tissoires void __hid_request(struct hid_device *hid, struct hid_report *report,
14544fa5a7f7SBenjamin Tissoires 		int reqtype)
14554fa5a7f7SBenjamin Tissoires {
14564fa5a7f7SBenjamin Tissoires 	char *buf;
14574fa5a7f7SBenjamin Tissoires 	int ret;
14584fa5a7f7SBenjamin Tissoires 	int len;
14594fa5a7f7SBenjamin Tissoires 
14604fa5a7f7SBenjamin Tissoires 	buf = hid_alloc_report_buf(report, GFP_KERNEL);
14614fa5a7f7SBenjamin Tissoires 	if (!buf)
14624fa5a7f7SBenjamin Tissoires 		return;
14634fa5a7f7SBenjamin Tissoires 
14644fa5a7f7SBenjamin Tissoires 	len = hid_report_len(report);
14654fa5a7f7SBenjamin Tissoires 
14664fa5a7f7SBenjamin Tissoires 	if (reqtype == HID_REQ_SET_REPORT)
14674fa5a7f7SBenjamin Tissoires 		hid_output_report(report, buf);
14684fa5a7f7SBenjamin Tissoires 
14694fa5a7f7SBenjamin Tissoires 	ret = hid->ll_driver->raw_request(hid, report->id, buf, len,
14704fa5a7f7SBenjamin Tissoires 					  report->type, reqtype);
14714fa5a7f7SBenjamin Tissoires 	if (ret < 0) {
14724fa5a7f7SBenjamin Tissoires 		dbg_hid("unable to complete request: %d\n", ret);
14734fa5a7f7SBenjamin Tissoires 		goto out;
14744fa5a7f7SBenjamin Tissoires 	}
14754fa5a7f7SBenjamin Tissoires 
14764fa5a7f7SBenjamin Tissoires 	if (reqtype == HID_REQ_GET_REPORT)
14774fa5a7f7SBenjamin Tissoires 		hid_input_report(hid, report->type, buf, ret, 0);
14784fa5a7f7SBenjamin Tissoires 
14794fa5a7f7SBenjamin Tissoires out:
14804fa5a7f7SBenjamin Tissoires 	kfree(buf);
14814fa5a7f7SBenjamin Tissoires }
14824fa5a7f7SBenjamin Tissoires EXPORT_SYMBOL_GPL(__hid_request);
14834fa5a7f7SBenjamin Tissoires 
1484b6787242SJiri Kosina int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
148585cdaf52SJiri Slaby 		int interrupt)
1486aa8de2f0SJiri Kosina {
1487aa8de2f0SJiri Kosina 	struct hid_report_enum *report_enum = hid->report_enum + type;
1488aa8de2f0SJiri Kosina 	struct hid_report *report;
14896d85d037SBenjamin Tissoires 	struct hid_driver *hdrv;
149085cdaf52SJiri Slaby 	unsigned int a;
149185cdaf52SJiri Slaby 	int rsize, csize = size;
149285cdaf52SJiri Slaby 	u8 *cdata = data;
1493b6787242SJiri Kosina 	int ret = 0;
1494aa8de2f0SJiri Kosina 
149585cdaf52SJiri Slaby 	report = hid_get_report(report_enum, data);
149685cdaf52SJiri Slaby 	if (!report)
1497b6787242SJiri Kosina 		goto out;
1498aa8de2f0SJiri Kosina 
149985cdaf52SJiri Slaby 	if (report_enum->numbered) {
150085cdaf52SJiri Slaby 		cdata++;
150185cdaf52SJiri Slaby 		csize--;
1502aa8de2f0SJiri Kosina 	}
1503aa8de2f0SJiri Kosina 
1504aa8de2f0SJiri Kosina 	rsize = ((report->size - 1) >> 3) + 1;
1505aa8de2f0SJiri Kosina 
1506966922f2SArmando Visconti 	if (rsize > HID_MAX_BUFFER_SIZE)
1507966922f2SArmando Visconti 		rsize = HID_MAX_BUFFER_SIZE;
1508966922f2SArmando Visconti 
150985cdaf52SJiri Slaby 	if (csize < rsize) {
151085cdaf52SJiri Slaby 		dbg_hid("report %d is too short, (%d < %d)\n", report->id,
151185cdaf52SJiri Slaby 				csize, rsize);
151285cdaf52SJiri Slaby 		memset(cdata + csize, 0, rsize - csize);
1513aa8de2f0SJiri Kosina 	}
1514aa8de2f0SJiri Kosina 
1515aa8de2f0SJiri Kosina 	if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1516aa8de2f0SJiri Kosina 		hid->hiddev_report_event(hid, report);
1517b6787242SJiri Kosina 	if (hid->claimed & HID_CLAIMED_HIDRAW) {
1518b6787242SJiri Kosina 		ret = hidraw_report_event(hid, data, size);
1519b6787242SJiri Kosina 		if (ret)
1520b6787242SJiri Kosina 			goto out;
1521b6787242SJiri Kosina 	}
1522aa8de2f0SJiri Kosina 
1523cc6b54aaSBenjamin Tissoires 	if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) {
152485cdaf52SJiri Slaby 		for (a = 0; a < report->maxfield; a++)
152585cdaf52SJiri Slaby 			hid_input_field(hid, report->field[a], cdata, interrupt);
15266d85d037SBenjamin Tissoires 		hdrv = hid->driver;
15276d85d037SBenjamin Tissoires 		if (hdrv && hdrv->report)
15286d85d037SBenjamin Tissoires 			hdrv->report(hid, report);
1529b94e3c94SMatthieu CASTET 	}
1530aa8de2f0SJiri Kosina 
1531aa8de2f0SJiri Kosina 	if (hid->claimed & HID_CLAIMED_INPUT)
1532aa8de2f0SJiri Kosina 		hidinput_report_event(hid, report);
1533b6787242SJiri Kosina out:
1534b6787242SJiri Kosina 	return ret;
153585cdaf52SJiri Slaby }
153685cdaf52SJiri Slaby EXPORT_SYMBOL_GPL(hid_report_raw_event);
153785cdaf52SJiri Slaby 
153885cdaf52SJiri Slaby /**
153985cdaf52SJiri Slaby  * hid_input_report - report data from lower layer (usb, bt...)
154085cdaf52SJiri Slaby  *
154185cdaf52SJiri Slaby  * @hid: hid device
154285cdaf52SJiri Slaby  * @type: HID report type (HID_*_REPORT)
154385cdaf52SJiri Slaby  * @data: report contents
154485cdaf52SJiri Slaby  * @size: size of data parameter
1545ff9b00a2SJiri Kosina  * @interrupt: distinguish between interrupt and control transfers
154685cdaf52SJiri Slaby  *
154785cdaf52SJiri Slaby  * This is data entry for lower layers.
154885cdaf52SJiri Slaby  */
154985cdaf52SJiri Slaby int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
155085cdaf52SJiri Slaby {
155176c317d6SJulia Lawall 	struct hid_report_enum *report_enum;
155276c317d6SJulia Lawall 	struct hid_driver *hdrv;
155385cdaf52SJiri Slaby 	struct hid_report *report;
155445dc1ac7SJiri Kosina 	int ret = 0;
155585cdaf52SJiri Slaby 
15564ea54542SDavid Herrmann 	if (!hid)
155785cdaf52SJiri Slaby 		return -ENODEV;
15584ea54542SDavid Herrmann 
1559c849a614SAndrew de los Reyes 	if (down_trylock(&hid->driver_input_lock))
15604ea54542SDavid Herrmann 		return -EBUSY;
15614ea54542SDavid Herrmann 
15624ea54542SDavid Herrmann 	if (!hid->driver) {
15634ea54542SDavid Herrmann 		ret = -ENODEV;
15644ea54542SDavid Herrmann 		goto unlock;
15654ea54542SDavid Herrmann 	}
156676c317d6SJulia Lawall 	report_enum = hid->report_enum + type;
156776c317d6SJulia Lawall 	hdrv = hid->driver;
156885cdaf52SJiri Slaby 
156985cdaf52SJiri Slaby 	if (!size) {
157085cdaf52SJiri Slaby 		dbg_hid("empty report\n");
15714ea54542SDavid Herrmann 		ret = -1;
15724ea54542SDavid Herrmann 		goto unlock;
157385cdaf52SJiri Slaby 	}
157485cdaf52SJiri Slaby 
1575b94e3c94SMatthieu CASTET 	/* Avoid unnecessary overhead if debugfs is disabled */
1576a5f04b9dSBenjamin Tissoires 	if (!list_empty(&hid->debug_list))
1577a5f04b9dSBenjamin Tissoires 		hid_dump_report(hid, type, data, size);
1578b94e3c94SMatthieu CASTET 
1579f77e347bSJiri Kosina 	report = hid_get_report(report_enum, data);
1580f77e347bSJiri Kosina 
15814ea54542SDavid Herrmann 	if (!report) {
15824ea54542SDavid Herrmann 		ret = -1;
15834ea54542SDavid Herrmann 		goto unlock;
15844ea54542SDavid Herrmann 	}
1585f77e347bSJiri Kosina 
158685cdaf52SJiri Slaby 	if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
158785cdaf52SJiri Slaby 		ret = hdrv->raw_event(hid, report, data, size);
1588556483e2SFelix Rueegg 		if (ret < 0)
15894ea54542SDavid Herrmann 			goto unlock;
15904ea54542SDavid Herrmann 	}
159185cdaf52SJiri Slaby 
1592b6787242SJiri Kosina 	ret = hid_report_raw_event(hid, type, data, size, interrupt);
1593aa8de2f0SJiri Kosina 
15944ea54542SDavid Herrmann unlock:
1595c849a614SAndrew de los Reyes 	up(&hid->driver_input_lock);
159645dc1ac7SJiri Kosina 	return ret;
1597aa8de2f0SJiri Kosina }
1598aa8de2f0SJiri Kosina EXPORT_SYMBOL_GPL(hid_input_report);
1599aa8de2f0SJiri Kosina 
16000f37cd03SJiri Kosina static bool hid_match_one_id(struct hid_device *hdev,
16010f37cd03SJiri Kosina 		const struct hid_device_id *id)
16020f37cd03SJiri Kosina {
16037431fb76SHenrik Rydberg 	return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
16044d53b801SHenrik Rydberg 		(id->group == HID_GROUP_ANY || id->group == hdev->group) &&
16050f37cd03SJiri Kosina 		(id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
16060f37cd03SJiri Kosina 		(id->product == HID_ANY_ID || id->product == hdev->product);
16070f37cd03SJiri Kosina }
16080f37cd03SJiri Kosina 
1609bbc21cfdSJeremy Fitzhardinge const struct hid_device_id *hid_match_id(struct hid_device *hdev,
16100f37cd03SJiri Kosina 		const struct hid_device_id *id)
16110f37cd03SJiri Kosina {
16120f37cd03SJiri Kosina 	for (; id->bus; id++)
16130f37cd03SJiri Kosina 		if (hid_match_one_id(hdev, id))
16140f37cd03SJiri Kosina 			return id;
16150f37cd03SJiri Kosina 
16160f37cd03SJiri Kosina 	return NULL;
16170f37cd03SJiri Kosina }
16180f37cd03SJiri Kosina 
16190f37cd03SJiri Kosina static const struct hid_device_id hid_hiddev_list[] = {
1620c0bd6a42SRichard Hughes 	{ HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1621c0bd6a42SRichard Hughes 	{ HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
16220f37cd03SJiri Kosina 	{ }
16230f37cd03SJiri Kosina };
16240f37cd03SJiri Kosina 
16250f37cd03SJiri Kosina static bool hid_hiddev(struct hid_device *hdev)
16260f37cd03SJiri Kosina {
16270f37cd03SJiri Kosina 	return !!hid_match_id(hdev, hid_hiddev_list);
16280f37cd03SJiri Kosina }
16290f37cd03SJiri Kosina 
16306d3bfb74SAlan Ott 
16316d3bfb74SAlan Ott static ssize_t
16326d3bfb74SAlan Ott read_report_descriptor(struct file *filp, struct kobject *kobj,
16336d3bfb74SAlan Ott 		struct bin_attribute *attr,
16346d3bfb74SAlan Ott 		char *buf, loff_t off, size_t count)
16356d3bfb74SAlan Ott {
16362cf83833SGeliang Tang 	struct device *dev = kobj_to_dev(kobj);
1637ee79a8f8SGeliang Tang 	struct hid_device *hdev = to_hid_device(dev);
16386d3bfb74SAlan Ott 
16396d3bfb74SAlan Ott 	if (off >= hdev->rsize)
16406d3bfb74SAlan Ott 		return 0;
16416d3bfb74SAlan Ott 
16426d3bfb74SAlan Ott 	if (off + count > hdev->rsize)
16436d3bfb74SAlan Ott 		count = hdev->rsize - off;
16446d3bfb74SAlan Ott 
16456d3bfb74SAlan Ott 	memcpy(buf, hdev->rdesc + off, count);
16466d3bfb74SAlan Ott 
16476d3bfb74SAlan Ott 	return count;
16486d3bfb74SAlan Ott }
16496d3bfb74SAlan Ott 
1650a877417eSOlivier Gay static ssize_t
1651a877417eSOlivier Gay show_country(struct device *dev, struct device_attribute *attr,
1652a877417eSOlivier Gay 		char *buf)
1653a877417eSOlivier Gay {
1654ee79a8f8SGeliang Tang 	struct hid_device *hdev = to_hid_device(dev);
1655a877417eSOlivier Gay 
1656a877417eSOlivier Gay 	return sprintf(buf, "%02x\n", hdev->country & 0xff);
1657a877417eSOlivier Gay }
1658a877417eSOlivier Gay 
16596d3bfb74SAlan Ott static struct bin_attribute dev_bin_attr_report_desc = {
16606d3bfb74SAlan Ott 	.attr = { .name = "report_descriptor", .mode = 0444 },
16616d3bfb74SAlan Ott 	.read = read_report_descriptor,
16626d3bfb74SAlan Ott 	.size = HID_MAX_DESCRIPTOR_SIZE,
16636d3bfb74SAlan Ott };
16646d3bfb74SAlan Ott 
1665*ad8378edSBhumika Goyal static const struct device_attribute dev_attr_country = {
1666a877417eSOlivier Gay 	.attr = { .name = "country", .mode = 0444 },
1667a877417eSOlivier Gay 	.show = show_country,
1668a877417eSOlivier Gay };
1669a877417eSOlivier Gay 
167093c10132SJiri Slaby int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
167193c10132SJiri Slaby {
167293c10132SJiri Slaby 	static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
167393c10132SJiri Slaby 		"Joystick", "Gamepad", "Keyboard", "Keypad",
167493c10132SJiri Slaby 		"Multi-Axis Controller"
167593c10132SJiri Slaby 	};
167693c10132SJiri Slaby 	const char *type, *bus;
167779b568b9SRichard Purdie 	char buf[64] = "";
167893c10132SJiri Slaby 	unsigned int i;
167993c10132SJiri Slaby 	int len;
16806d3bfb74SAlan Ott 	int ret;
168193c10132SJiri Slaby 
1682b5e5a37eSBastien Nocera 	if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1683b5e5a37eSBastien Nocera 		connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
16843a343ee4SDaniel Mack 	if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
16853a343ee4SDaniel Mack 		connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
168693c10132SJiri Slaby 	if (hdev->bus != BUS_USB)
168793c10132SJiri Slaby 		connect_mask &= ~HID_CONNECT_HIDDEV;
16880f37cd03SJiri Kosina 	if (hid_hiddev(hdev))
16890f37cd03SJiri Kosina 		connect_mask |= HID_CONNECT_HIDDEV_FORCE;
169093c10132SJiri Slaby 
169193c10132SJiri Slaby 	if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
169293c10132SJiri Slaby 				connect_mask & HID_CONNECT_HIDINPUT_FORCE))
169393c10132SJiri Slaby 		hdev->claimed |= HID_CLAIMED_INPUT;
1694b77c3920SBenjamin Tissoires 
169593c10132SJiri Slaby 	if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
169693c10132SJiri Slaby 			!hdev->hiddev_connect(hdev,
169793c10132SJiri Slaby 				connect_mask & HID_CONNECT_HIDDEV_FORCE))
169893c10132SJiri Slaby 		hdev->claimed |= HID_CLAIMED_HIDDEV;
169993c10132SJiri Slaby 	if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
170093c10132SJiri Slaby 		hdev->claimed |= HID_CLAIMED_HIDRAW;
170193c10132SJiri Slaby 
17027704ac93SBenjamin Tissoires 	if (connect_mask & HID_CONNECT_DRIVER)
17037704ac93SBenjamin Tissoires 		hdev->claimed |= HID_CLAIMED_DRIVER;
17047704ac93SBenjamin Tissoires 
17054bc19f62SDavid Herrmann 	/* Drivers with the ->raw_event callback set are not required to connect
17064bc19f62SDavid Herrmann 	 * to any other listener. */
17074bc19f62SDavid Herrmann 	if (!hdev->claimed && !hdev->driver->raw_event) {
17084bc19f62SDavid Herrmann 		hid_err(hdev, "device has no listeners, quitting\n");
170993c10132SJiri Slaby 		return -ENODEV;
171093c10132SJiri Slaby 	}
171193c10132SJiri Slaby 
171293c10132SJiri Slaby 	if ((hdev->claimed & HID_CLAIMED_INPUT) &&
171393c10132SJiri Slaby 			(connect_mask & HID_CONNECT_FF) && hdev->ff_init)
171493c10132SJiri Slaby 		hdev->ff_init(hdev);
171593c10132SJiri Slaby 
171693c10132SJiri Slaby 	len = 0;
171793c10132SJiri Slaby 	if (hdev->claimed & HID_CLAIMED_INPUT)
171893c10132SJiri Slaby 		len += sprintf(buf + len, "input");
171993c10132SJiri Slaby 	if (hdev->claimed & HID_CLAIMED_HIDDEV)
172093c10132SJiri Slaby 		len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1721733aca90SJaejoong Kim 				((struct hiddev *)hdev->hiddev)->minor);
172293c10132SJiri Slaby 	if (hdev->claimed & HID_CLAIMED_HIDRAW)
172393c10132SJiri Slaby 		len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
172493c10132SJiri Slaby 				((struct hidraw *)hdev->hidraw)->minor);
172593c10132SJiri Slaby 
172693c10132SJiri Slaby 	type = "Device";
172793c10132SJiri Slaby 	for (i = 0; i < hdev->maxcollection; i++) {
172893c10132SJiri Slaby 		struct hid_collection *col = &hdev->collection[i];
172993c10132SJiri Slaby 		if (col->type == HID_COLLECTION_APPLICATION &&
173093c10132SJiri Slaby 		   (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
173193c10132SJiri Slaby 		   (col->usage & 0xffff) < ARRAY_SIZE(types)) {
173293c10132SJiri Slaby 			type = types[col->usage & 0xffff];
173393c10132SJiri Slaby 			break;
173493c10132SJiri Slaby 		}
173593c10132SJiri Slaby 	}
173693c10132SJiri Slaby 
173793c10132SJiri Slaby 	switch (hdev->bus) {
173893c10132SJiri Slaby 	case BUS_USB:
173993c10132SJiri Slaby 		bus = "USB";
174093c10132SJiri Slaby 		break;
174193c10132SJiri Slaby 	case BUS_BLUETOOTH:
174293c10132SJiri Slaby 		bus = "BLUETOOTH";
174393c10132SJiri Slaby 		break;
174406780727SDaniel Martin 	case BUS_I2C:
174506780727SDaniel Martin 		bus = "I2C";
174606780727SDaniel Martin 		break;
174793c10132SJiri Slaby 	default:
174893c10132SJiri Slaby 		bus = "<UNKNOWN>";
174993c10132SJiri Slaby 	}
175093c10132SJiri Slaby 
1751a877417eSOlivier Gay 	ret = device_create_file(&hdev->dev, &dev_attr_country);
1752a877417eSOlivier Gay 	if (ret)
1753a877417eSOlivier Gay 		hid_warn(hdev,
1754a877417eSOlivier Gay 			 "can't create sysfs country code attribute err: %d\n", ret);
1755a877417eSOlivier Gay 
17564291ee30SJoe Perches 	hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
175793c10132SJiri Slaby 		 buf, bus, hdev->version >> 8, hdev->version & 0xff,
175893c10132SJiri Slaby 		 type, hdev->name, hdev->phys);
175993c10132SJiri Slaby 
176093c10132SJiri Slaby 	return 0;
176193c10132SJiri Slaby }
176293c10132SJiri Slaby EXPORT_SYMBOL_GPL(hid_connect);
176393c10132SJiri Slaby 
1764c4c259bcSJiri Kosina void hid_disconnect(struct hid_device *hdev)
1765c4c259bcSJiri Kosina {
1766a877417eSOlivier Gay 	device_remove_file(&hdev->dev, &dev_attr_country);
1767c4c259bcSJiri Kosina 	if (hdev->claimed & HID_CLAIMED_INPUT)
1768c4c259bcSJiri Kosina 		hidinput_disconnect(hdev);
1769c4c259bcSJiri Kosina 	if (hdev->claimed & HID_CLAIMED_HIDDEV)
1770c4c259bcSJiri Kosina 		hdev->hiddev_disconnect(hdev);
1771c4c259bcSJiri Kosina 	if (hdev->claimed & HID_CLAIMED_HIDRAW)
1772c4c259bcSJiri Kosina 		hidraw_disconnect(hdev);
17739c5c6ed7SBenjamin Tissoires 	hdev->claimed = 0;
1774c4c259bcSJiri Kosina }
1775c4c259bcSJiri Kosina EXPORT_SYMBOL_GPL(hid_disconnect);
1776c4c259bcSJiri Kosina 
1777aaac082dSDmitry Torokhov /**
1778aaac082dSDmitry Torokhov  * hid_hw_start - start underlying HW
1779aaac082dSDmitry Torokhov  * @hdev: hid device
1780aaac082dSDmitry Torokhov  * @connect_mask: which outputs to connect, see HID_CONNECT_*
1781aaac082dSDmitry Torokhov  *
1782aaac082dSDmitry Torokhov  * Call this in probe function *after* hid_parse. This will setup HW
1783aaac082dSDmitry Torokhov  * buffers and start the device (if not defeirred to device open).
1784aaac082dSDmitry Torokhov  * hid_hw_stop must be called if this was successful.
1785aaac082dSDmitry Torokhov  */
1786aaac082dSDmitry Torokhov int hid_hw_start(struct hid_device *hdev, unsigned int connect_mask)
1787aaac082dSDmitry Torokhov {
1788aaac082dSDmitry Torokhov 	int error;
1789aaac082dSDmitry Torokhov 
1790aaac082dSDmitry Torokhov 	error = hdev->ll_driver->start(hdev);
1791aaac082dSDmitry Torokhov 	if (error)
1792aaac082dSDmitry Torokhov 		return error;
1793aaac082dSDmitry Torokhov 
1794aaac082dSDmitry Torokhov 	if (connect_mask) {
1795aaac082dSDmitry Torokhov 		error = hid_connect(hdev, connect_mask);
1796aaac082dSDmitry Torokhov 		if (error) {
1797aaac082dSDmitry Torokhov 			hdev->ll_driver->stop(hdev);
1798aaac082dSDmitry Torokhov 			return error;
1799aaac082dSDmitry Torokhov 		}
1800aaac082dSDmitry Torokhov 	}
1801aaac082dSDmitry Torokhov 
1802aaac082dSDmitry Torokhov 	return 0;
1803aaac082dSDmitry Torokhov }
1804aaac082dSDmitry Torokhov EXPORT_SYMBOL_GPL(hid_hw_start);
1805aaac082dSDmitry Torokhov 
1806aaac082dSDmitry Torokhov /**
1807aaac082dSDmitry Torokhov  * hid_hw_stop - stop underlying HW
1808aaac082dSDmitry Torokhov  * @hdev: hid device
1809aaac082dSDmitry Torokhov  *
1810aaac082dSDmitry Torokhov  * This is usually called from remove function or from probe when something
1811aaac082dSDmitry Torokhov  * failed and hid_hw_start was called already.
1812aaac082dSDmitry Torokhov  */
1813aaac082dSDmitry Torokhov void hid_hw_stop(struct hid_device *hdev)
1814aaac082dSDmitry Torokhov {
1815aaac082dSDmitry Torokhov 	hid_disconnect(hdev);
1816aaac082dSDmitry Torokhov 	hdev->ll_driver->stop(hdev);
1817aaac082dSDmitry Torokhov }
1818aaac082dSDmitry Torokhov EXPORT_SYMBOL_GPL(hid_hw_stop);
1819aaac082dSDmitry Torokhov 
1820aaac082dSDmitry Torokhov /**
1821aaac082dSDmitry Torokhov  * hid_hw_open - signal underlying HW to start delivering events
1822aaac082dSDmitry Torokhov  * @hdev: hid device
1823aaac082dSDmitry Torokhov  *
1824aaac082dSDmitry Torokhov  * Tell underlying HW to start delivering events from the device.
1825aaac082dSDmitry Torokhov  * This function should be called sometime after successful call
1826aaac082dSDmitry Torokhov  * to hid_hiw_start().
1827aaac082dSDmitry Torokhov  */
1828aaac082dSDmitry Torokhov int hid_hw_open(struct hid_device *hdev)
1829aaac082dSDmitry Torokhov {
1830aaac082dSDmitry Torokhov 	int ret;
1831aaac082dSDmitry Torokhov 
1832aaac082dSDmitry Torokhov 	ret = mutex_lock_killable(&hdev->ll_open_lock);
1833aaac082dSDmitry Torokhov 	if (ret)
1834aaac082dSDmitry Torokhov 		return ret;
1835aaac082dSDmitry Torokhov 
1836aaac082dSDmitry Torokhov 	if (!hdev->ll_open_count++) {
1837aaac082dSDmitry Torokhov 		ret = hdev->ll_driver->open(hdev);
1838aaac082dSDmitry Torokhov 		if (ret)
1839aaac082dSDmitry Torokhov 			hdev->ll_open_count--;
1840aaac082dSDmitry Torokhov 	}
1841aaac082dSDmitry Torokhov 
1842aaac082dSDmitry Torokhov 	mutex_unlock(&hdev->ll_open_lock);
1843aaac082dSDmitry Torokhov 	return ret;
1844aaac082dSDmitry Torokhov }
1845aaac082dSDmitry Torokhov EXPORT_SYMBOL_GPL(hid_hw_open);
1846aaac082dSDmitry Torokhov 
1847aaac082dSDmitry Torokhov /**
1848aaac082dSDmitry Torokhov  * hid_hw_close - signal underlaying HW to stop delivering events
1849aaac082dSDmitry Torokhov  *
1850aaac082dSDmitry Torokhov  * @hdev: hid device
1851aaac082dSDmitry Torokhov  *
1852aaac082dSDmitry Torokhov  * This function indicates that we are not interested in the events
1853aaac082dSDmitry Torokhov  * from this device anymore. Delivery of events may or may not stop,
1854aaac082dSDmitry Torokhov  * depending on the number of users still outstanding.
1855aaac082dSDmitry Torokhov  */
1856aaac082dSDmitry Torokhov void hid_hw_close(struct hid_device *hdev)
1857aaac082dSDmitry Torokhov {
1858aaac082dSDmitry Torokhov 	mutex_lock(&hdev->ll_open_lock);
1859aaac082dSDmitry Torokhov 	if (!--hdev->ll_open_count)
1860aaac082dSDmitry Torokhov 		hdev->ll_driver->close(hdev);
1861aaac082dSDmitry Torokhov 	mutex_unlock(&hdev->ll_open_lock);
1862aaac082dSDmitry Torokhov }
1863aaac082dSDmitry Torokhov EXPORT_SYMBOL_GPL(hid_hw_close);
1864aaac082dSDmitry Torokhov 
186500315e4fSJiri Kosina /*
186600315e4fSJiri Kosina  * A list of devices for which there is a specialized driver on HID bus.
186700315e4fSJiri Kosina  *
186800315e4fSJiri Kosina  * Please note that for multitouch devices (driven by hid-multitouch driver),
186900315e4fSJiri Kosina  * there is a proper autodetection and autoloading in place (based on presence
187000315e4fSJiri Kosina  * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
187100315e4fSJiri Kosina  * as we are doing the right thing in hid_scan_usage().
187283499b52SAlexander Holler  *
187383499b52SAlexander Holler  * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
187483499b52SAlexander Holler  * physical is found inside a usage page of type sensor, hid-sensor-hub will be
187583499b52SAlexander Holler  * used as a driver. See hid_scan_report().
187600315e4fSJiri Kosina  */
1877ce06b9d6SDmitry Torokhov static const struct hid_device_id hid_have_special_driver[] = {
18780ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_A4TECH)
187914a21cd4SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
188014a21cd4SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1881b7e1b203SLech Perczak 	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
18820ca4cd7bSJiri Kosina #endif
18830ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_ACCUTOUCH)
18840ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_ACCUTOUCH_2216) },
18850ca4cd7bSJiri Kosina #endif
18860ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_ACRUX)
1887c0dbcc33SSergei Kolzun 	{ HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1888e17f5d76STristan Rice 	{ HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) },
18890ca4cd7bSJiri Kosina #endif
18900ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_ALPS)
1891819d64e5SMasaki Ota 	{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_U1_DUAL) },
18920ca4cd7bSJiri Kosina #endif
18930ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_APPLE)
18948c19a515SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
18958c19a515SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
18968c19a515SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
18978c19a515SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
18988c19a515SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
18998c19a515SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
19008c19a515SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
19018c19a515SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
19028c19a515SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
19038c19a515SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
19048c19a515SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
19058c19a515SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1906fef3f571SRyan Finnie 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1907fef3f571SRyan Finnie 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1908fef3f571SRyan Finnie 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
19098c19a515SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
19108c19a515SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
19118c19a515SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
19128c19a515SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
19138c19a515SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
19148c19a515SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1915ee8a1a0aSJan Scholz 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1916ee8a1a0aSJan Scholz 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1917ee8a1a0aSJan Scholz 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
19188c19a515SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
19198c19a515SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
19208c19a515SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
19218c19a515SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
19228c19a515SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
19238c19a515SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1924a96d6ef3SHenrik Rydberg 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1925a96d6ef3SHenrik Rydberg 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1926a96d6ef3SHenrik Rydberg 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
192799b9f758SEdgar (gimli) Hucek 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
192899b9f758SEdgar (gimli) Hucek 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
192999b9f758SEdgar (gimli) Hucek 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
193099b9f758SEdgar (gimli) Hucek 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
193199b9f758SEdgar (gimli) Hucek 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
193299b9f758SEdgar (gimli) Hucek 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
193347340bd9SAndy Botting 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
193447340bd9SAndy Botting 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
193547340bd9SAndy Botting 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1936213f9da8SGökçen Eraslan 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1937213f9da8SGökçen Eraslan 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1938213f9da8SGökçen Eraslan 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
19394a4c8799SDan Bastone 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
19404a4c8799SDan Bastone 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
19414a4c8799SDan Bastone 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1942f6f554f0SJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1943f6f554f0SJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1944f6f554f0SJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1945d762cc29SNobuhiro Iwamatsu 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1946d762cc29SNobuhiro Iwamatsu 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1947d762cc29SNobuhiro Iwamatsu 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1948b2e6ad7dSRyan Bourgeois 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1949b2e6ad7dSRyan Bourgeois 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1950b2e6ad7dSRyan Bourgeois 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
19518d80da90SDirk Hohndel 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
19528d80da90SDirk Hohndel 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
19538d80da90SDirk Hohndel 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
19549d9a04eeSDmitry Torokhov 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
19559d9a04eeSDmitry Torokhov 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
19569d9a04eeSDmitry Torokhov 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
1957a4a2c545SHenrik Rydberg 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
1958a4a2c545SHenrik Rydberg 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
1959a4a2c545SHenrik Rydberg 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
196023aeb61eSChristian Schuerer-Waldheim 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
196123aeb61eSChristian Schuerer-Waldheim 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
196223aeb61eSChristian Schuerer-Waldheim 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1963f9af7b9eSBen Hutchings 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
1964ad734bc1SAndreas Krist 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1965bd4a7ce1SHuei-Horng Yo 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) },
1966b5d94275SJean-Gabriel Gill-Couture 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_ANSI) },
19678c19a515SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
19688c19a515SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
19690ca4cd7bSJiri Kosina #endif
19700ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_APPLEIR)
19710ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
19720ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) },
19730ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) },
19740ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
19750ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) },
19760ca4cd7bSJiri Kosina #endif
19770ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_ASUS)
1978a93913e1SMatjaz Hegedic 	{ HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD) },
1979a93913e1SMatjaz Hegedic 	{ HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD) },
19801caccc25SChris Chiu 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1) },
19811caccc25SChris Chiu 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2) },
198276dd1fbeSHans de Goede 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_T100_KEYBOARD) },
19834f94ff4eSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_ASUS_MD_5112) },
19844f94ff4eSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_ASUS_MD_5110) },
19855703e52cSHans de Goede 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_T100CHI_KEYBOARD) },
19860ca4cd7bSJiri Kosina #endif
19870ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_AUREAL)
1988212da74dSJosenivaldo Benito Junior 	{ HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
19890ca4cd7bSJiri Kosina #endif
19900ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_BELKIN)
1991b5635b12SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
19920ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
19930ca4cd7bSJiri Kosina #endif
19940ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_BETOP_FF)
1995fc38a8a6SHuang Bo 	{ HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185BFM, 0x2208) },
1996fc38a8a6SHuang Bo 	{ HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185PC, 0x5506) },
1997fc38a8a6SHuang Bo 	{ HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2PC, 0x1850) },
1998fc38a8a6SHuang Bo 	{ HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2BFM, 0x5500) },
19990ca4cd7bSJiri Kosina #endif
20000ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_CHERRY)
20013b239cd7SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
20021ce31b25SRaphaël Doursenaud 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
20030ca4cd7bSJiri Kosina #endif
20040ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_CHICONY)
2005fcfacfd3SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
20063596bb92SKeng-Yu Lin 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
20075be91803SDaniel Drake 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_ASUS_AK1D) },
20089a1d78a3SНиколай Кудрявцев 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_ACER_SWITCH12) },
20090ca4cd7bSJiri Kosina #endif
20100ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_CMEDIA)
20110ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM6533) },
20120ca4cd7bSJiri Kosina #endif
20130ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_CORSAIR)
20146f78193eSClément Vuchener 	{ HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K90) },
201501adc47eSOscar Campos 	{ HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB) },
20160ca4cd7bSJiri Kosina #endif
20170ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_CP2112)
2018e932d817SDavid Barksdale 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
20190ca4cd7bSJiri Kosina #endif
20200ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_CYPRESS)
20210f221320SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
20220f221320SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
2023e8d0eab4SJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
202476c9d8feSLionel Vaux 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
20250f221320SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
20260ca4cd7bSJiri Kosina #endif
20270ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_DRAGONRISE)
20283f866fbdSRichard Walmsley 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
2029e05eefb9SNikolai Kondrashov 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
2030f8690450SMarcel Hasler #endif
20310ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_ELECOM)
203264b386eaSRichard Nauber 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
20330bb7a37fSDiego Elio Pettenò 	{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_DEFT_WIRED) },
20340bb7a37fSDiego Elio Pettenò 	{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_DEFT_WIRELESS) },
20350ca4cd7bSJiri Kosina #endif
20360ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_ELO)
2037d23efc19SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) },
2038d23efc19SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) },
20390ca4cd7bSJiri Kosina #endif
20400ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_EMS_FF)
204104561c5aSIgnaz Forster 	{ HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
20420ca4cd7bSJiri Kosina #endif
20430ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_EZKEY)
20441f243e30SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
20450ca4cd7bSJiri Kosina #endif
20460ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_GEMBIRD)
2047931830aaSBenjamin Tissoires 	{ HID_USB_DEVICE(USB_VENDOR_ID_GEMBIRD, USB_DEVICE_ID_GEMBIRD_JPD_DUALFORCE2) },
20480ca4cd7bSJiri Kosina #endif
20490ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_GFRM)
20500ca4cd7bSJiri Kosina         { HID_BLUETOOTH_DEVICE(0x58, 0x2000) },
20510ca4cd7bSJiri Kosina         { HID_BLUETOOTH_DEVICE(0x471, 0x2210) },
20520ca4cd7bSJiri Kosina #endif
20530ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_GREENASIA)
205442859e0bSLukasz Lubojanski 	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
20550ca4cd7bSJiri Kosina #endif
20560ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_GT683R)
20570ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) },
20580ca4cd7bSJiri Kosina #endif
20590ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_GYRATION)
2060949f8fefSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
20611e093206SJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
2062c2fd1a4eSCory Maccarrone 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
20630ca4cd7bSJiri Kosina #endif
20640ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_HOLTEK)
2065d946e65eSAnssi Hannula 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
2066ff9bf5a2STom Harwood 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
206740d3597fSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
206840d3597fSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
2069274be3ebSKharlamov Alexey 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) },
2070f1a4914bSAnders F. U. Kiær 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) },
20717da7cbbbSAnders F. U. Kiær 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
20725df4eb05SJohn DeSilva 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) },
20730ca4cd7bSJiri Kosina #endif
20740ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_ICADE)
20754ddfe028SBastien Nocera 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
20760ca4cd7bSJiri Kosina #endif
2077604250ddSJiri Kosina #if IS_ENABLED(CONFIG_HID_ITE)
2078604250ddSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_ITE, USB_DEVICE_ID_ITE8595) },
2079604250ddSJiri Kosina #endif
20800ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_KENSINGTON)
2081fdf93aa3SJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
20820ca4cd7bSJiri Kosina #endif
20830ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_KEYTOUCH)
2084177900e8SJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
20850ca4cd7bSJiri Kosina #endif
20860ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_KYE)
20873685c18eSBenjamin Tissoires 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
20884a2c94c9SBenjamin Tissoires 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) },
20890adb9c2cSBenjamin Tissoires 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
209079422741SJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
209122ca20b2SNikolai Kondrashov 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
209222ca20b2SNikolai Kondrashov 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
2093102750b8SNikolai Kondrashov 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2) },
209422ca20b2SNikolai Kondrashov 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
2095feb6faf1SMilan Plzik 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_PENSKETCH_M912) },
20960ca4cd7bSJiri Kosina #endif
20970ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_LCPOWER)
209875b07022SChris Schlund 	{ HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
20990ca4cd7bSJiri Kosina #endif
21000ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_LED)
21010ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_DELCOM, USB_DEVICE_ID_DELCOM_VISUAL_IND) },
21020ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, USB_DEVICE_ID_DREAM_CHEEKY_WN) },
21030ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, USB_DEVICE_ID_DREAM_CHEEKY_FA) },
21040ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_LUXAFOR) },
21050ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) },
21060ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
21070ca4cd7bSJiri Kosina #endif
210894723bfaSJamie Lentin #if IS_ENABLED(CONFIG_HID_LENOVO)
2109c1dcad2dSBernhard Seibold 	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
2110f3d4ff0eSJamie Lentin 	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
2111f3d4ff0eSJamie Lentin 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
2112181a8b91SBenjamin Tissoires 	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) },
2113aad932e7SAndres Freund #endif
21140ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_LOGITECH)
21155f22a799SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
21165f22a799SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
21175f22a799SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
21185f22a799SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
21195f22a799SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
21205f22a799SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
21215f22a799SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
21225f22a799SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
21235f22a799SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
21245f22a799SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
21255d74325aSGrazvydas Ignotas 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DUAL_ACTION) },
21265f22a799SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
21272c6118e4SHendrik Iben 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
2128606bd0a8SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
2129606bd0a8SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
213029fae1c8SSimon Wood 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G29_WHEEL) },
2131606bd0a8SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
2132fd30ea8cSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
2133606bd0a8SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
213474f292caSGary Stein 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
2135606bd0a8SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
2136606bd0a8SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
2137bd04363dSElias Vanderstuyft 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) },
21385623a24aSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
2139e00ddc9bSMichal Malý 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
2140243b706dSChristophe Borivant 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
2141fdc6807fSPeter Gundermann 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
214232c88cbcSSimon Wood 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
2143606bd0a8SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
214424985cf6SJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
214524985cf6SJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
21460ca4cd7bSJiri Kosina #endif
21470ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_LOGITECH_HIDPP)
21480ca4cd7bSJiri Kosina 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_T651) },
21490ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G920_WHEEL) },
21500ca4cd7bSJiri Kosina #endif
21510ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
21520ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
21530ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
21540ca4cd7bSJiri Kosina #endif
21550ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_MAGICMOUSE)
21560ca4cd7bSJiri Kosina 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
21570ca4cd7bSJiri Kosina 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
21580ca4cd7bSJiri Kosina #endif
21590ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_MAYFLASH)
21600ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_PS3) },
21610ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_DOLPHINBAR) },
21620ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE1) },
21630ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE2) },
21640ca4cd7bSJiri Kosina #endif
21650ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_MICROSOFT)
2166b580169aSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
2167f9a82c20SSlava Bacherikov 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_KEYBOARD) },
216878a849a6SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
216978a849a6SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
217089759e20SAdam Jiang 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) },
2171ef567cf9SJakub Sitnicki 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE7K) },
217278a849a6SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
217378a849a6SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
2174f3b83d71SJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
217578a849a6SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
21763faed1afSHans de Goede 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) },
2177c847a89aSAlistair Leslie-Hughes 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_7K) },
2178c847a89aSAlistair Leslie-Hughes 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_600) },
2179c847a89aSAlistair Leslie-Hughes 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3KV1) },
218018eec2cdSRaimund Roth 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER) },
21810ca4cd7bSJiri Kosina 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
21820ca4cd7bSJiri Kosina #endif
21830ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_MONTEREY)
21843b8006e5SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
21850ca4cd7bSJiri Kosina #endif
21860ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_MULTITOUCH)
21870ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_LG, USB_DEVICE_ID_LG_MELFAS_MT) },
21880ca4cd7bSJiri Kosina #endif
21890ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_WIIMOTE)
21900ca4cd7bSJiri Kosina 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
21910ca4cd7bSJiri Kosina 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
21920ca4cd7bSJiri Kosina #endif
21930ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_NTI)
219407e88a35SJonathan Tomer 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTI, USB_DEVICE_ID_USB_SUN) },
21950ca4cd7bSJiri Kosina #endif
21960ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_NTRIG)
219794011f93SRafi Rubin 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
21986e32819eSmicki 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
21996e32819eSmicki 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
22006e32819eSmicki 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
22016e32819eSmicki 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
22026e32819eSmicki 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
22036e32819eSmicki 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
22046e32819eSmicki 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
22056e32819eSmicki 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
22066e32819eSmicki 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
22076e32819eSmicki 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
22086e32819eSmicki 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
22096e32819eSmicki 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
22106e32819eSmicki 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
22116e32819eSmicki 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
22126e32819eSmicki 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
22136e32819eSmicki 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
22146e32819eSmicki 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
22156e32819eSmicki 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
22160ca4cd7bSJiri Kosina #endif
22170ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_ORTEK)
2218270fdc07SHerton Ronaldo Krzesinski 	{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
2219cd9ec30dSJohnathon Harris 	{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
2220c228352dSBenjamin Tissoires 	{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_IHOME_IMAC_A210S) },
22210ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
22220ca4cd7bSJiri Kosina #endif
22230ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_PANTHERLORD)
22240ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
22250ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
22260ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
22270ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
22280ca4cd7bSJiri Kosina #endif
22290ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_PENMOUNT)
2230ffe51d0dSChristian Gmeiner 	{ HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) },
22310ca4cd7bSJiri Kosina #endif
22320ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_PETALYNX)
22331e762532SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
22340ca4cd7bSJiri Kosina #endif
22350ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_PICOLCD)
22360ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
22370ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
22380ca4cd7bSJiri Kosina #endif
22390ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_PLANTRONICS)
22401a3f83f6SJD Cole 	{ HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, HID_ANY_ID) },
22410ca4cd7bSJiri Kosina #endif
22420ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_PRIMAX)
2243f6a04605STerry Lambert 	{ HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
22440ca4cd7bSJiri Kosina #endif
22450ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_PRODIKEYS)
22460ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
22470ca4cd7bSJiri Kosina #endif
224813b2e1baSBastien Nocera #if IS_ENABLED(CONFIG_HID_RETRODE)
224913b2e1baSBastien Nocera 	{ HID_USB_DEVICE(USB_VENDOR_ID_FUTURE_TECHNOLOGY, USB_DEVICE_ID_RETRODE2) },
225013b2e1baSBastien Nocera #endif
22510ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_RMI)
22520ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_COVER) },
22530ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_RAZER, USB_DEVICE_ID_RAZER_BLADE_14) },
22540ca4cd7bSJiri Kosina #endif
2255ca9bbdccSStefan Achatz #if IS_ENABLED(CONFIG_HID_ROCCAT)
2256e68cc603SStefan Achatz 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
2257d41c2a70SStefan Achatz 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
2258e078809dSStefan Achatz 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) },
2259e078809dSStefan Achatz 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
226047dbdbffSStefan Achatz 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
22618936aa31SStefan Achatz 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
2262a4be0ed3SStefan Achatz 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) },
2263e078809dSStefan Achatz 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
22640e70f97fSStefan Achatz 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
22654424f616SStefan Achatz 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
2266cb7cf3daSStefan Achatz 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
22673fce2246SStefan Achatz 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
22686f3a1936SStefan Achatz 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) },
22696f3a1936SStefan Achatz 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) },
22706f3a1936SStefan Achatz 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
22716a2a6390SStefan Achatz 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
2272ca9bbdccSStefan Achatz #endif
227337c492c8SHarald Brinkmann #if IS_ENABLED(CONFIG_HID_SAITEK)
22741e93674aSAndreas Hübner 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
2275afe98939SDarren Salt 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7_OLD) },
227637c492c8SHarald Brinkmann 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7) },
22777d3ea5c1SMayeul Cantan 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT9) },
227837c492c8SHarald Brinkmann 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7) },
22798ffd341cSHarald Brinkmann 	{ HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT5) },
22807bb9d643SVille Aakko 	{ HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT9) },
228137c492c8SHarald Brinkmann #endif
22820ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_SAMSUNG)
2283980a3da6SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
2284b355850bSDon Prince 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
22850ca4cd7bSJiri Kosina #endif
22860ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_SMARTJOYPLUS)
22870ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII) },
22880ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
22890ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
22900ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
22910ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
22920ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
22930ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
22940ca4cd7bSJiri Kosina #endif
22950ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_SONY)
22960ca4cd7bSJiri Kosina 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
229768a49e51SFrank Praznik 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_PS3_BDREMOTE) },
2298f04d5140SColin Leitner 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) },
2299f04d5140SColin Leitner 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) },
23007c886d09SFrank Praznik 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
2301a4afa854SSimon Wood 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
230235dca5b4SJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
23036eabaaa0SSimon Wood 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
230490231e7eSJiri Slaby 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
2305bd28ce00SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
2306f9ce7c28SBastien Nocera 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
23070bd88dd3SFrank Praznik 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
23080bd88dd3SFrank Praznik 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
2309cf1015d6SRoderick Colenbrander 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2) },
2310cf1015d6SRoderick Colenbrander 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2) },
2311de66a1a0SRoderick Colenbrander 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_DONGLE) },
2312cc6e0bbbSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
2313c1e0ac19SFernando Luis Vázquez Cao 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
231474500cc8SScott Moreau 	{ HID_USB_DEVICE(USB_VENDOR_ID_SINO_LITE, USB_DEVICE_ID_SINO_LITE_CONTROLLER) },
23150ca4cd7bSJiri Kosina #endif
23160ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_SPEEDLINK)
23170ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
23180ca4cd7bSJiri Kosina #endif
23190ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_STEELSERIES)
232075dbb953SSimon Wood 	{ HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
23210ca4cd7bSJiri Kosina #endif
23220ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_SUNPLUS)
23238c19a515SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
23240ca4cd7bSJiri Kosina #endif
23250ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_THRUSTMASTER)
2326daedb3d6SAnssi Hannula 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
2327daedb3d6SAnssi Hannula 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
23287a84b133SRuben Aos Garralda 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
23297a84b133SRuben Aos Garralda 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
2330daedb3d6SAnssi Hannula 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
23313ee8f0a2SMarkus Rathgeb 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
2332daedb3d6SAnssi Hannula 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
2333d65c3768SSimon Wood 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
23340ca4cd7bSJiri Kosina #endif
23350ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_TIVO)
2336740363fbSJiri Kosina 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
233744ea35c1SJarod Wilson 	{ HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
23389b028649SForest Wilkinson 	{ HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_PRO) },
23390ca4cd7bSJiri Kosina #endif
23400ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_TOPSEED)
23410ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
23420ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
23430ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
2344f14f526dSLev Babiev 	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
234554001081SKees Bakker 	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
23460ca4cd7bSJiri Kosina #endif
23470ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_TWINHAN)
2348711a680eSBruno Premont 	{ HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
23490ca4cd7bSJiri Kosina #endif
23500ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_UCLOGIC)
23510ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
23520ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_HUION_TABLET) },
235341fa9230SNikolai Kondrashov 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
2354f8a489ccSNikolai Kondrashov 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
2355f8a489ccSNikolai Kondrashov 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
2356f8a489ccSNikolai Kondrashov 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
23576be914f1SNikolai Kondrashov 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
2358d1257081SNikolai Kondrashov 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
2359eb4e426aSNikolai Kondrashov 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
23604b7e7e5eSNikolai Kondrashov 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_YIYNOVA_TABLET) },
23614b7e7e5eSNikolai Kondrashov 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_81) },
23624b7e7e5eSNikolai Kondrashov 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_45) },
23634b7e7e5eSNikolai Kondrashov 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_DRAWIMAGE_G3) },
2364fe1a83b4SXiaolei Yu 	{ HID_USB_DEVICE(USB_VENDOR_ID_UGEE, USB_DEVICE_ID_UGEE_TABLET_EX07S) },
23650ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_UGTIZER, USB_DEVICE_ID_UGTIZER_TABLET_GP0610) },
23660ca4cd7bSJiri Kosina #endif
23670ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_UDRAW_PS3)
23680ca4cd7bSJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_THQ, USB_DEVICE_ID_THQ_PS3_UDRAW) },
23690ca4cd7bSJiri Kosina #endif
23700ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_WALTOP)
237172a46344SNikolai Kondrashov 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
237200e7f964SNikolai Kondrashov 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
23734fdc18d1SNikolai Kondrashov 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
2374a786e83cSNikolai Kondrashov 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
237572a46344SNikolai Kondrashov 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
23768f1acc32SNikolai Kondrashov 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
2377d2ee4dd9SNikolai Kondrashov 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
23780ca4cd7bSJiri Kosina #endif
23790ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_XINMO)
2380cb2c9e3fSOlivier Scherler 	{ HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) },
23819257821cSPeter Stein 	{ HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_THT_2P_ARCADE) },
23820ca4cd7bSJiri Kosina #endif
23830ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_ZEROPLUS)
2384daedb3d6SAnssi Hannula 	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
2385daedb3d6SAnssi Hannula 	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
23860ca4cd7bSJiri Kosina #endif
23870ca4cd7bSJiri Kosina #if IS_ENABLED(CONFIG_HID_ZYDACRON)
2388a9885c8fSDon Prince 	{ HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
23890ca4cd7bSJiri Kosina #endif
239085cdaf52SJiri Slaby 	{ }
239185cdaf52SJiri Slaby };
239285cdaf52SJiri Slaby 
23933a6f82f7SJiri Slaby struct hid_dynid {
23943a6f82f7SJiri Slaby 	struct list_head list;
23953a6f82f7SJiri Slaby 	struct hid_device_id id;
23963a6f82f7SJiri Slaby };
23973a6f82f7SJiri Slaby 
23983a6f82f7SJiri Slaby /**
23993a6f82f7SJiri Slaby  * store_new_id - add a new HID device ID to this driver and re-probe devices
24003a6f82f7SJiri Slaby  * @driver: target device driver
24013a6f82f7SJiri Slaby  * @buf: buffer for scanning device ID data
24023a6f82f7SJiri Slaby  * @count: input size
24033a6f82f7SJiri Slaby  *
24043a6f82f7SJiri Slaby  * Adds a new dynamic hid device ID to this driver,
24053a6f82f7SJiri Slaby  * and causes the driver to probe for all devices again.
24063a6f82f7SJiri Slaby  */
2407c2810325SGreg Kroah-Hartman static ssize_t new_id_store(struct device_driver *drv, const char *buf,
24083a6f82f7SJiri Slaby 		size_t count)
24093a6f82f7SJiri Slaby {
2410ba91a967SGeliang Tang 	struct hid_driver *hdrv = to_hid_driver(drv);
24113a6f82f7SJiri Slaby 	struct hid_dynid *dynid;
24123a6f82f7SJiri Slaby 	__u32 bus, vendor, product;
24133a6f82f7SJiri Slaby 	unsigned long driver_data = 0;
24143a6f82f7SJiri Slaby 	int ret;
24153a6f82f7SJiri Slaby 
24163a6f82f7SJiri Slaby 	ret = sscanf(buf, "%x %x %x %lx",
24173a6f82f7SJiri Slaby 			&bus, &vendor, &product, &driver_data);
24183a6f82f7SJiri Slaby 	if (ret < 3)
24193a6f82f7SJiri Slaby 		return -EINVAL;
24203a6f82f7SJiri Slaby 
24213a6f82f7SJiri Slaby 	dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
24223a6f82f7SJiri Slaby 	if (!dynid)
24233a6f82f7SJiri Slaby 		return -ENOMEM;
24243a6f82f7SJiri Slaby 
24253a6f82f7SJiri Slaby 	dynid->id.bus = bus;
24264d53b801SHenrik Rydberg 	dynid->id.group = HID_GROUP_ANY;
24273a6f82f7SJiri Slaby 	dynid->id.vendor = vendor;
24283a6f82f7SJiri Slaby 	dynid->id.product = product;
24293a6f82f7SJiri Slaby 	dynid->id.driver_data = driver_data;
24303a6f82f7SJiri Slaby 
24313a6f82f7SJiri Slaby 	spin_lock(&hdrv->dyn_lock);
24323a6f82f7SJiri Slaby 	list_add_tail(&dynid->list, &hdrv->dyn_list);
24333a6f82f7SJiri Slaby 	spin_unlock(&hdrv->dyn_lock);
24343a6f82f7SJiri Slaby 
24353a6f82f7SJiri Slaby 	ret = driver_attach(&hdrv->driver);
24363a6f82f7SJiri Slaby 
24373a6f82f7SJiri Slaby 	return ret ? : count;
24383a6f82f7SJiri Slaby }
2439c2810325SGreg Kroah-Hartman static DRIVER_ATTR_WO(new_id);
2440c2810325SGreg Kroah-Hartman 
2441c2810325SGreg Kroah-Hartman static struct attribute *hid_drv_attrs[] = {
2442c2810325SGreg Kroah-Hartman 	&driver_attr_new_id.attr,
2443c2810325SGreg Kroah-Hartman 	NULL,
2444c2810325SGreg Kroah-Hartman };
2445c2810325SGreg Kroah-Hartman ATTRIBUTE_GROUPS(hid_drv);
24463a6f82f7SJiri Slaby 
24473a6f82f7SJiri Slaby static void hid_free_dynids(struct hid_driver *hdrv)
24483a6f82f7SJiri Slaby {
24493a6f82f7SJiri Slaby 	struct hid_dynid *dynid, *n;
24503a6f82f7SJiri Slaby 
24513a6f82f7SJiri Slaby 	spin_lock(&hdrv->dyn_lock);
24523a6f82f7SJiri Slaby 	list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
24533a6f82f7SJiri Slaby 		list_del(&dynid->list);
24543a6f82f7SJiri Slaby 		kfree(dynid);
24553a6f82f7SJiri Slaby 	}
24563a6f82f7SJiri Slaby 	spin_unlock(&hdrv->dyn_lock);
24573a6f82f7SJiri Slaby }
24583a6f82f7SJiri Slaby 
24593a6f82f7SJiri Slaby static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
24603a6f82f7SJiri Slaby 		struct hid_driver *hdrv)
24613a6f82f7SJiri Slaby {
24623a6f82f7SJiri Slaby 	struct hid_dynid *dynid;
24633a6f82f7SJiri Slaby 
24643a6f82f7SJiri Slaby 	spin_lock(&hdrv->dyn_lock);
24653a6f82f7SJiri Slaby 	list_for_each_entry(dynid, &hdrv->dyn_list, list) {
24663a6f82f7SJiri Slaby 		if (hid_match_one_id(hdev, &dynid->id)) {
24673a6f82f7SJiri Slaby 			spin_unlock(&hdrv->dyn_lock);
24683a6f82f7SJiri Slaby 			return &dynid->id;
24693a6f82f7SJiri Slaby 		}
24703a6f82f7SJiri Slaby 	}
24713a6f82f7SJiri Slaby 	spin_unlock(&hdrv->dyn_lock);
24723a6f82f7SJiri Slaby 
24733a6f82f7SJiri Slaby 	return hid_match_id(hdev, hdrv->id_table);
24743a6f82f7SJiri Slaby }
24753a6f82f7SJiri Slaby 
247685cdaf52SJiri Slaby static int hid_bus_match(struct device *dev, struct device_driver *drv)
247785cdaf52SJiri Slaby {
2478ba91a967SGeliang Tang 	struct hid_driver *hdrv = to_hid_driver(drv);
2479ee79a8f8SGeliang Tang 	struct hid_device *hdev = to_hid_device(dev);
248085cdaf52SJiri Slaby 
2481070748edSHenrik Rydberg 	return hid_match_device(hdev, hdrv) != NULL;
248285cdaf52SJiri Slaby }
248385cdaf52SJiri Slaby 
248485cdaf52SJiri Slaby static int hid_device_probe(struct device *dev)
248585cdaf52SJiri Slaby {
2486ba91a967SGeliang Tang 	struct hid_driver *hdrv = to_hid_driver(dev->driver);
2487ee79a8f8SGeliang Tang 	struct hid_device *hdev = to_hid_device(dev);
248885cdaf52SJiri Slaby 	const struct hid_device_id *id;
248985cdaf52SJiri Slaby 	int ret = 0;
249085cdaf52SJiri Slaby 
2491c849a614SAndrew de los Reyes 	if (down_interruptible(&hdev->driver_input_lock)) {
2492c849a614SAndrew de los Reyes 		ret = -EINTR;
24936f68f0acSBinoy Jayan 		goto end;
2494c849a614SAndrew de los Reyes 	}
2495c849a614SAndrew de los Reyes 	hdev->io_started = false;
24964ea54542SDavid Herrmann 
249785cdaf52SJiri Slaby 	if (!hdev->driver) {
24983a6f82f7SJiri Slaby 		id = hid_match_device(hdev, hdrv);
2499ba623a77SDan Carpenter 		if (id == NULL) {
2500ba623a77SDan Carpenter 			ret = -ENODEV;
2501ba623a77SDan Carpenter 			goto unlock;
2502ba623a77SDan Carpenter 		}
2503c500c971SJiri Slaby 
250485cdaf52SJiri Slaby 		hdev->driver = hdrv;
2505c500c971SJiri Slaby 		if (hdrv->probe) {
2506c500c971SJiri Slaby 			ret = hdrv->probe(hdev, id);
2507c500c971SJiri Slaby 		} else { /* default probe */
2508a7197c2eSHenrik Rydberg 			ret = hid_open_report(hdev);
2509c500c971SJiri Slaby 			if (!ret)
251093c10132SJiri Slaby 				ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
2511c500c971SJiri Slaby 		}
2512a7197c2eSHenrik Rydberg 		if (ret) {
2513a7197c2eSHenrik Rydberg 			hid_close_report(hdev);
2514c500c971SJiri Slaby 			hdev->driver = NULL;
251585cdaf52SJiri Slaby 		}
2516a7197c2eSHenrik Rydberg 	}
2517ba623a77SDan Carpenter unlock:
2518c849a614SAndrew de los Reyes 	if (!hdev->io_started)
2519c849a614SAndrew de los Reyes 		up(&hdev->driver_input_lock);
25206f68f0acSBinoy Jayan end:
252185cdaf52SJiri Slaby 	return ret;
252285cdaf52SJiri Slaby }
252385cdaf52SJiri Slaby 
252485cdaf52SJiri Slaby static int hid_device_remove(struct device *dev)
252585cdaf52SJiri Slaby {
2526ee79a8f8SGeliang Tang 	struct hid_device *hdev = to_hid_device(dev);
25274ea54542SDavid Herrmann 	struct hid_driver *hdrv;
2528c849a614SAndrew de los Reyes 	int ret = 0;
252985cdaf52SJiri Slaby 
2530c849a614SAndrew de los Reyes 	if (down_interruptible(&hdev->driver_input_lock)) {
2531c849a614SAndrew de los Reyes 		ret = -EINTR;
25326f68f0acSBinoy Jayan 		goto end;
2533c849a614SAndrew de los Reyes 	}
2534c849a614SAndrew de los Reyes 	hdev->io_started = false;
25354ea54542SDavid Herrmann 
25364ea54542SDavid Herrmann 	hdrv = hdev->driver;
253785cdaf52SJiri Slaby 	if (hdrv) {
253885cdaf52SJiri Slaby 		if (hdrv->remove)
253985cdaf52SJiri Slaby 			hdrv->remove(hdev);
2540c500c971SJiri Slaby 		else /* default remove */
2541c500c971SJiri Slaby 			hid_hw_stop(hdev);
2542a7197c2eSHenrik Rydberg 		hid_close_report(hdev);
254385cdaf52SJiri Slaby 		hdev->driver = NULL;
254485cdaf52SJiri Slaby 	}
254585cdaf52SJiri Slaby 
2546c849a614SAndrew de los Reyes 	if (!hdev->io_started)
2547c849a614SAndrew de los Reyes 		up(&hdev->driver_input_lock);
25486f68f0acSBinoy Jayan end:
2549c849a614SAndrew de los Reyes 	return ret;
255085cdaf52SJiri Slaby }
255185cdaf52SJiri Slaby 
25524d53b801SHenrik Rydberg static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
25534d53b801SHenrik Rydberg 			     char *buf)
25544d53b801SHenrik Rydberg {
25554d53b801SHenrik Rydberg 	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
25564d53b801SHenrik Rydberg 
2557dfa0c5faSRasmus Villemoes 	return scnprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
25584d53b801SHenrik Rydberg 			 hdev->bus, hdev->group, hdev->vendor, hdev->product);
25594d53b801SHenrik Rydberg }
25600d4260e0SGreg Kroah-Hartman static DEVICE_ATTR_RO(modalias);
25614d53b801SHenrik Rydberg 
25620d4260e0SGreg Kroah-Hartman static struct attribute *hid_dev_attrs[] = {
25630d4260e0SGreg Kroah-Hartman 	&dev_attr_modalias.attr,
25640d4260e0SGreg Kroah-Hartman 	NULL,
25654d53b801SHenrik Rydberg };
256654f32fd5SAndy Lutomirski static struct bin_attribute *hid_dev_bin_attrs[] = {
256754f32fd5SAndy Lutomirski 	&dev_bin_attr_report_desc,
256854f32fd5SAndy Lutomirski 	NULL
256954f32fd5SAndy Lutomirski };
257054f32fd5SAndy Lutomirski static const struct attribute_group hid_dev_group = {
257154f32fd5SAndy Lutomirski 	.attrs = hid_dev_attrs,
257254f32fd5SAndy Lutomirski 	.bin_attrs = hid_dev_bin_attrs,
257354f32fd5SAndy Lutomirski };
257454f32fd5SAndy Lutomirski __ATTRIBUTE_GROUPS(hid_dev);
25754d53b801SHenrik Rydberg 
257685cdaf52SJiri Slaby static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
257785cdaf52SJiri Slaby {
2578ee79a8f8SGeliang Tang 	struct hid_device *hdev = to_hid_device(dev);
257985cdaf52SJiri Slaby 
258085cdaf52SJiri Slaby 	if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
258185cdaf52SJiri Slaby 			hdev->bus, hdev->vendor, hdev->product))
258285cdaf52SJiri Slaby 		return -ENOMEM;
258385cdaf52SJiri Slaby 
258485cdaf52SJiri Slaby 	if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
258585cdaf52SJiri Slaby 		return -ENOMEM;
258685cdaf52SJiri Slaby 
258785cdaf52SJiri Slaby 	if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
258885cdaf52SJiri Slaby 		return -ENOMEM;
258985cdaf52SJiri Slaby 
259085cdaf52SJiri Slaby 	if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
259185cdaf52SJiri Slaby 		return -ENOMEM;
259285cdaf52SJiri Slaby 
25934d53b801SHenrik Rydberg 	if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
25944d53b801SHenrik Rydberg 			   hdev->bus, hdev->group, hdev->vendor, hdev->product))
259585cdaf52SJiri Slaby 		return -ENOMEM;
259685cdaf52SJiri Slaby 
259785cdaf52SJiri Slaby 	return 0;
259885cdaf52SJiri Slaby }
259985cdaf52SJiri Slaby 
260085cdaf52SJiri Slaby static struct bus_type hid_bus_type = {
260185cdaf52SJiri Slaby 	.name		= "hid",
26020d4260e0SGreg Kroah-Hartman 	.dev_groups	= hid_dev_groups,
2603c2810325SGreg Kroah-Hartman 	.drv_groups	= hid_drv_groups,
260485cdaf52SJiri Slaby 	.match		= hid_bus_match,
260585cdaf52SJiri Slaby 	.probe		= hid_device_probe,
260685cdaf52SJiri Slaby 	.remove		= hid_device_remove,
260785cdaf52SJiri Slaby 	.uevent		= hid_uevent,
260885cdaf52SJiri Slaby };
260985cdaf52SJiri Slaby 
2610bae7eb33SJiri Kosina /* a list of devices that shouldn't be handled by HID core at all */
2611d458a9dfSJiri Slaby static const struct hid_device_id hid_ignore_list[] = {
2612d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
2613d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
2614d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
2615d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
2616d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
2617d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
2618d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
2619d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
2620d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
2621d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
2622d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
2623d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
262477f720b7SStephane Chatty 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
262577f720b7SStephane Chatty 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
262662a56582SAlexey Klimov 	{ HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
262711030183SHans de Goede 	{ HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) },
2628d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
2629d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
2630d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
2631adc23259SDinesh Ram 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) },
2632d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
2633d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
2634d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
26355f6108cfSAlexey Klimov 	{ HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
2636d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
2637d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
26386ccfe64cSBenjamin Tissoires 	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0400) },
2639534fcb3bSMichele Curti 	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0401) },
2640d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
264170c66567SPetr Štetiar 	{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
2642df506f2cSPetr Štetiar 	{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
2643b1807719SBenjamin Tissoires 	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
2644d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
2645d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
2646d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
2647d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
2648d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
2649d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
2650d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
2651d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
26528e2ce73eSHans de Goede 	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) },
2653d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
2654d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
2655d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
2656d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
2657d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
2658d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
2659d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
2660d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
2661d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
2662d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
2663d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
2664d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
2665d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
2666d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
2667d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
2668d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
2669d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
2670d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
2671d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
2672d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
2673d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
2674d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
2675d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
2676d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
2677d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
2678d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
2679d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
2680d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
2681d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
2682d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
2683d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
2684d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
2685d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
2686d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
2687d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
2688d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
2689d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
2690d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
2691d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
2692d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
2693d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
2694d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
2695d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
2696d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
2697d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
2698d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
2699d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
270031b9779cSVincent Palatin 	{ HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) },
270131b9779cSVincent Palatin 	{ HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) },
270243c1a0a9SPatrick Plattes 	{ HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_GN9350E) },
2703d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
2704c91c21c5SAlexey Klimov 	{ HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
2705d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
2706eb8141ccSLamarque Vieira Souza 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
2707d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
2708ce97cac8SMichael Hund 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
2709d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
2710ce97cac8SMichael Hund 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
2711d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
2712ce97cac8SMichael Hund 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
2713ce97cac8SMichael Hund 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
2714ce97cac8SMichael Hund 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
2715ce97cac8SMichael Hund 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
2716ce97cac8SMichael Hund 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
2717ce97cac8SMichael Hund 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
2718d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
2719d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
2720d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
2721ce97cac8SMichael Hund 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
2722ce97cac8SMichael Hund 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
2723ce97cac8SMichael Hund 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
2724d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
2725d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
2726ce97cac8SMichael Hund 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
2727d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
2728d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
2729d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
2730d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
2731d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
2732ce97cac8SMichael Hund 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
2733ce97cac8SMichael Hund 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
2734ce97cac8SMichael Hund 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
2735ce97cac8SMichael Hund 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
2736ce97cac8SMichael Hund 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
2737ce97cac8SMichael Hund 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
2738ce97cac8SMichael Hund 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
27393ffb62cbSYuri Khan 	{ HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
2740d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
2741d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
2742d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
2743d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
2744a8c8316bSKristian Evensen 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454) },
274584f6ea1dSKristian Evensen 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454_V2) },
2746d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
2747d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
2748d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
2749d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
2750d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
2751d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
2752d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
2753d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
2754d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
2755d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
2756d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
2757d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
2758d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
2759d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2760d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
276108f95726SJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_PETZL, USB_DEVICE_ID_PETZL_HEADLAMP) },
27624cfae3e8SHenning Glawe 	{ HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
276335cfd1d9SMichael Tokarev 	{ HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
276420d11305SJavier Martinez Canillas #if IS_ENABLED(CONFIG_MOUSE_SYNAPTICS_USB)
27658491ee10SJan Steinhoff 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
27668491ee10SJan Steinhoff 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
27678491ee10SJan Steinhoff 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
27688491ee10SJan Steinhoff 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
27698491ee10SJan Steinhoff 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
27708491ee10SJan Steinhoff 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
27718491ee10SJan Steinhoff 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
27728491ee10SJan Steinhoff 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
27738491ee10SJan Steinhoff #endif
2774d458a9dfSJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
2775d458a9dfSJiri Slaby 	{ }
2776d458a9dfSJiri Slaby };
2777d458a9dfSJiri Slaby 
2778b4d8e473SJiri Slaby /**
2779b4d8e473SJiri Slaby  * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2780b4d8e473SJiri Slaby  *
2781b4d8e473SJiri Slaby  * There are composite devices for which we want to ignore only a certain
2782b4d8e473SJiri Slaby  * interface. This is a list of devices for which only the mouse interface will
2783b4d8e473SJiri Slaby  * be ignored. This allows a dedicated driver to take care of the interface.
2784b4d8e473SJiri Slaby  */
2785b4d8e473SJiri Slaby static const struct hid_device_id hid_mouse_ignore_list[] = {
2786b4d8e473SJiri Slaby 	/* appletouch driver */
2787b4d8e473SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2788b4d8e473SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2789b4d8e473SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2790b4d8e473SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2791b4d8e473SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2792b4d8e473SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2793b4d8e473SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2794b4d8e473SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2795b4d8e473SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2796b4d8e473SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2797b4d8e473SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2798b4d8e473SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2799b4d8e473SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2800b4d8e473SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2801b4d8e473SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2802b4d8e473SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2803b4d8e473SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2804b4d8e473SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2805b4d8e473SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2806b4d8e473SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
2807ac26fca3SJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2808ac26fca3SJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2809ac26fca3SJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
281099b9f758SEdgar (gimli) Hucek 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
281199b9f758SEdgar (gimli) Hucek 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
281299b9f758SEdgar (gimli) Hucek 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
281399b9f758SEdgar (gimli) Hucek 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
281499b9f758SEdgar (gimli) Hucek 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
281599b9f758SEdgar (gimli) Hucek 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
281647340bd9SAndy Botting 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
281747340bd9SAndy Botting 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
281847340bd9SAndy Botting 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
2819213f9da8SGökçen Eraslan 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2820213f9da8SGökçen Eraslan 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2821213f9da8SGökçen Eraslan 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
28224b086910SJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
28234b086910SJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
28244b086910SJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
28254b086910SJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
28264b086910SJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
28274b086910SJiri Kosina 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
2828b2e6ad7dSRyan Bourgeois 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2829b2e6ad7dSRyan Bourgeois 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2830b2e6ad7dSRyan Bourgeois 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
28318d80da90SDirk Hohndel 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
28328d80da90SDirk Hohndel 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
28338d80da90SDirk Hohndel 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
28349d9a04eeSDmitry Torokhov 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
28359d9a04eeSDmitry Torokhov 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
28369d9a04eeSDmitry Torokhov 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
2837a4a2c545SHenrik Rydberg 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
2838a4a2c545SHenrik Rydberg 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
2839a4a2c545SHenrik Rydberg 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
2840b4d8e473SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2841b4d8e473SJiri Slaby 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2842b4d8e473SJiri Slaby 	{ }
2843b4d8e473SJiri Slaby };
2844b4d8e473SJiri Slaby 
28454529eefaSLamarque V. Souza bool hid_ignore(struct hid_device *hdev)
2846d458a9dfSJiri Slaby {
28474529eefaSLamarque V. Souza 	if (hdev->quirks & HID_QUIRK_NO_IGNORE)
28484529eefaSLamarque V. Souza 		return false;
28494529eefaSLamarque V. Souza 	if (hdev->quirks & HID_QUIRK_IGNORE)
28504529eefaSLamarque V. Souza 		return true;
28514529eefaSLamarque V. Souza 
2852d458a9dfSJiri Slaby 	switch (hdev->vendor) {
2853d458a9dfSJiri Slaby 	case USB_VENDOR_ID_CODEMERCS:
2854d458a9dfSJiri Slaby 		/* ignore all Code Mercenaries IOWarrior devices */
2855d458a9dfSJiri Slaby 		if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2856d458a9dfSJiri Slaby 				hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2857d458a9dfSJiri Slaby 			return true;
2858d458a9dfSJiri Slaby 		break;
2859d458a9dfSJiri Slaby 	case USB_VENDOR_ID_LOGITECH:
2860d458a9dfSJiri Slaby 		if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2861d458a9dfSJiri Slaby 				hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2862d458a9dfSJiri Slaby 			return true;
286365dd3b69SHans Verkuil 		/*
286465dd3b69SHans Verkuil 		 * The Keene FM transmitter USB device has the same USB ID as
286565dd3b69SHans Verkuil 		 * the Logitech AudioHub Speaker, but it should ignore the hid.
286665dd3b69SHans Verkuil 		 * Check if the name is that of the Keene device.
286765dd3b69SHans Verkuil 		 * For reference: the name of the AudioHub is
286865dd3b69SHans Verkuil 		 * "HOLTEK  AudioHub Speaker".
286965dd3b69SHans Verkuil 		 */
287065dd3b69SHans Verkuil 		if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
287165dd3b69SHans Verkuil 			!strcmp(hdev->name, "HOLTEK  B-LINK USB Audio  "))
287265dd3b69SHans Verkuil 				return true;
2873d458a9dfSJiri Slaby 		break;
287431f7fd79SJarod Wilson 	case USB_VENDOR_ID_SOUNDGRAPH:
287531f7fd79SJarod Wilson 		if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
287631f7fd79SJarod Wilson 		    hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
287731f7fd79SJarod Wilson 			return true;
287831f7fd79SJarod Wilson 		break;
2879bba5394aSXing Wei 	case USB_VENDOR_ID_HANWANG:
2880bba5394aSXing Wei 		if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2881bba5394aSXing Wei 		    hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2882bba5394aSXing Wei 			return true;
2883bba5394aSXing Wei 		break;
28846dc1418eSTomoki Sekiyama 	case USB_VENDOR_ID_JESS:
28856dc1418eSTomoki Sekiyama 		if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
28866dc1418eSTomoki Sekiyama 				hdev->type == HID_TYPE_USBNONE)
28876dc1418eSTomoki Sekiyama 			return true;
28886dc1418eSTomoki Sekiyama 		break;
288930b6b7d8SIan Abbott 	case USB_VENDOR_ID_VELLEMAN:
289030b6b7d8SIan Abbott 		/* These are not HID devices.  They are handled by comedi. */
289130b6b7d8SIan Abbott 		if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST &&
289230b6b7d8SIan Abbott 		     hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) ||
289330b6b7d8SIan Abbott 		    (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST &&
289430b6b7d8SIan Abbott 		     hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
289530b6b7d8SIan Abbott 			return true;
289630b6b7d8SIan Abbott 		break;
28975b4617d8SAlexey Klimov 	case USB_VENDOR_ID_ATMEL_V_USB:
28985b4617d8SAlexey Klimov 		/* Masterkit MA901 usb radio based on Atmel tiny85 chip and
28995b4617d8SAlexey Klimov 		 * it has the same USB ID as many Atmel V-USB devices. This
29005b4617d8SAlexey Klimov 		 * usb radio is handled by radio-ma901.c driver so we want
29015b4617d8SAlexey Klimov 		 * ignore the hid. Check the name, bus, product and ignore
29025b4617d8SAlexey Klimov 		 * if we have MA901 usb radio.
29035b4617d8SAlexey Klimov 		 */
29045b4617d8SAlexey Klimov 		if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB &&
29055b4617d8SAlexey Klimov 			hdev->bus == BUS_USB &&
29065b4617d8SAlexey Klimov 			strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0)
29075b4617d8SAlexey Klimov 			return true;
29085b4617d8SAlexey Klimov 		break;
2909d458a9dfSJiri Slaby 	}
2910d458a9dfSJiri Slaby 
2911b4d8e473SJiri Slaby 	if (hdev->type == HID_TYPE_USBMOUSE &&
2912b4d8e473SJiri Slaby 			hid_match_id(hdev, hid_mouse_ignore_list))
2913b4d8e473SJiri Slaby 		return true;
2914b4d8e473SJiri Slaby 
2915d458a9dfSJiri Slaby 	return !!hid_match_id(hdev, hid_ignore_list);
2916d458a9dfSJiri Slaby }
29174529eefaSLamarque V. Souza EXPORT_SYMBOL_GPL(hid_ignore);
2918d458a9dfSJiri Slaby 
291985cdaf52SJiri Slaby int hid_add_device(struct hid_device *hdev)
292085cdaf52SJiri Slaby {
292185cdaf52SJiri Slaby 	static atomic_t id = ATOMIC_INIT(0);
292285cdaf52SJiri Slaby 	int ret;
292385cdaf52SJiri Slaby 
292485cdaf52SJiri Slaby 	if (WARN_ON(hdev->status & HID_STAT_ADDED))
292585cdaf52SJiri Slaby 		return -EBUSY;
292685cdaf52SJiri Slaby 
2927d458a9dfSJiri Slaby 	/* we need to kill them here, otherwise they will stay allocated to
2928d458a9dfSJiri Slaby 	 * wait for coming driver */
29294529eefaSLamarque V. Souza 	if (hid_ignore(hdev))
2930d458a9dfSJiri Slaby 		return -ENODEV;
2931d458a9dfSJiri Slaby 
2932a7197c2eSHenrik Rydberg 	/*
29333c86726cSBenjamin Tissoires 	 * Check for the mandatory transport channel.
29343c86726cSBenjamin Tissoires 	 */
29353c86726cSBenjamin Tissoires 	 if (!hdev->ll_driver->raw_request) {
29363c86726cSBenjamin Tissoires 		hid_err(hdev, "transport driver missing .raw_request()\n");
29373c86726cSBenjamin Tissoires 		return -EINVAL;
29383c86726cSBenjamin Tissoires 	 }
29393c86726cSBenjamin Tissoires 
29403c86726cSBenjamin Tissoires 	/*
2941a7197c2eSHenrik Rydberg 	 * Read the device report descriptor once and use as template
2942a7197c2eSHenrik Rydberg 	 * for the driver-specific modifications.
2943a7197c2eSHenrik Rydberg 	 */
2944a7197c2eSHenrik Rydberg 	ret = hdev->ll_driver->parse(hdev);
2945a7197c2eSHenrik Rydberg 	if (ret)
2946a7197c2eSHenrik Rydberg 		return ret;
2947a7197c2eSHenrik Rydberg 	if (!hdev->dev_rdesc)
2948a7197c2eSHenrik Rydberg 		return -ENODEV;
2949a7197c2eSHenrik Rydberg 
2950734c6609SHenrik Rydberg 	/*
2951734c6609SHenrik Rydberg 	 * Scan generic devices for group information
2952734c6609SHenrik Rydberg 	 */
29534392bf33SBenjamin Tissoires 	if (hid_ignore_special_drivers) {
29544392bf33SBenjamin Tissoires 		hdev->group = HID_GROUP_GENERIC;
29554392bf33SBenjamin Tissoires 	} else if (!hdev->group &&
29564392bf33SBenjamin Tissoires 		   !hid_match_id(hdev, hid_have_special_driver)) {
2957734c6609SHenrik Rydberg 		ret = hid_scan_report(hdev);
2958734c6609SHenrik Rydberg 		if (ret)
2959734c6609SHenrik Rydberg 			hid_warn(hdev, "bad device descriptor (%d)\n", ret);
2960734c6609SHenrik Rydberg 	}
2961734c6609SHenrik Rydberg 
29626bbe586fSKay Sievers 	/* XXX hack, any other cleaner solution after the driver core
29636bbe586fSKay Sievers 	 * is converted to allow more than 20 bytes as the device name? */
29646bbe586fSKay Sievers 	dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
296585cdaf52SJiri Slaby 		     hdev->vendor, hdev->product, atomic_inc_return(&id));
296685cdaf52SJiri Slaby 
29674da361b6SBruno Prémont 	hid_debug_register(hdev, dev_name(&hdev->dev));
296885cdaf52SJiri Slaby 	ret = device_add(&hdev->dev);
296985cdaf52SJiri Slaby 	if (!ret)
297085cdaf52SJiri Slaby 		hdev->status |= HID_STAT_ADDED;
29714da361b6SBruno Prémont 	else
29724da361b6SBruno Prémont 		hid_debug_unregister(hdev);
2973a635f9ddSJiri Kosina 
297485cdaf52SJiri Slaby 	return ret;
297585cdaf52SJiri Slaby }
297685cdaf52SJiri Slaby EXPORT_SYMBOL_GPL(hid_add_device);
297785cdaf52SJiri Slaby 
297885cdaf52SJiri Slaby /**
297985cdaf52SJiri Slaby  * hid_allocate_device - allocate new hid device descriptor
298085cdaf52SJiri Slaby  *
298185cdaf52SJiri Slaby  * Allocate and initialize hid device, so that hid_destroy_device might be
298285cdaf52SJiri Slaby  * used to free it.
298385cdaf52SJiri Slaby  *
298485cdaf52SJiri Slaby  * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
298585cdaf52SJiri Slaby  * error value.
298685cdaf52SJiri Slaby  */
298785cdaf52SJiri Slaby struct hid_device *hid_allocate_device(void)
298885cdaf52SJiri Slaby {
298985cdaf52SJiri Slaby 	struct hid_device *hdev;
299085cdaf52SJiri Slaby 	int ret = -ENOMEM;
299185cdaf52SJiri Slaby 
299285cdaf52SJiri Slaby 	hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
299385cdaf52SJiri Slaby 	if (hdev == NULL)
299485cdaf52SJiri Slaby 		return ERR_PTR(ret);
299585cdaf52SJiri Slaby 
299685cdaf52SJiri Slaby 	device_initialize(&hdev->dev);
299785cdaf52SJiri Slaby 	hdev->dev.release = hid_device_release;
299885cdaf52SJiri Slaby 	hdev->dev.bus = &hid_bus_type;
299964bebefcSFu, Zhonghui 	device_enable_async_suspend(&hdev->dev);
300085cdaf52SJiri Slaby 
3001a7197c2eSHenrik Rydberg 	hid_close_report(hdev);
300285cdaf52SJiri Slaby 
3003cd667ce2SJiri Kosina 	init_waitqueue_head(&hdev->debug_wait);
3004cd667ce2SJiri Kosina 	INIT_LIST_HEAD(&hdev->debug_list);
30051deb9d34SJiri Kosina 	spin_lock_init(&hdev->debug_list_lock);
3006c849a614SAndrew de los Reyes 	sema_init(&hdev->driver_input_lock, 1);
3007aaac082dSDmitry Torokhov 	mutex_init(&hdev->ll_open_lock);
3008cd667ce2SJiri Kosina 
300985cdaf52SJiri Slaby 	return hdev;
301085cdaf52SJiri Slaby }
301185cdaf52SJiri Slaby EXPORT_SYMBOL_GPL(hid_allocate_device);
301285cdaf52SJiri Slaby 
301385cdaf52SJiri Slaby static void hid_remove_device(struct hid_device *hdev)
301485cdaf52SJiri Slaby {
301585cdaf52SJiri Slaby 	if (hdev->status & HID_STAT_ADDED) {
301685cdaf52SJiri Slaby 		device_del(&hdev->dev);
3017a635f9ddSJiri Kosina 		hid_debug_unregister(hdev);
301885cdaf52SJiri Slaby 		hdev->status &= ~HID_STAT_ADDED;
301985cdaf52SJiri Slaby 	}
3020a7197c2eSHenrik Rydberg 	kfree(hdev->dev_rdesc);
3021a7197c2eSHenrik Rydberg 	hdev->dev_rdesc = NULL;
3022a7197c2eSHenrik Rydberg 	hdev->dev_rsize = 0;
302385cdaf52SJiri Slaby }
302485cdaf52SJiri Slaby 
302585cdaf52SJiri Slaby /**
302685cdaf52SJiri Slaby  * hid_destroy_device - free previously allocated device
302785cdaf52SJiri Slaby  *
302885cdaf52SJiri Slaby  * @hdev: hid device
302985cdaf52SJiri Slaby  *
303085cdaf52SJiri Slaby  * If you allocate hid_device through hid_allocate_device, you should ever
303185cdaf52SJiri Slaby  * free by this function.
303285cdaf52SJiri Slaby  */
303385cdaf52SJiri Slaby void hid_destroy_device(struct hid_device *hdev)
303485cdaf52SJiri Slaby {
303585cdaf52SJiri Slaby 	hid_remove_device(hdev);
303685cdaf52SJiri Slaby 	put_device(&hdev->dev);
303785cdaf52SJiri Slaby }
303885cdaf52SJiri Slaby EXPORT_SYMBOL_GPL(hid_destroy_device);
303985cdaf52SJiri Slaby 
304085cdaf52SJiri Slaby int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
304185cdaf52SJiri Slaby 		const char *mod_name)
304285cdaf52SJiri Slaby {
304385cdaf52SJiri Slaby 	hdrv->driver.name = hdrv->name;
304485cdaf52SJiri Slaby 	hdrv->driver.bus = &hid_bus_type;
304585cdaf52SJiri Slaby 	hdrv->driver.owner = owner;
304685cdaf52SJiri Slaby 	hdrv->driver.mod_name = mod_name;
304785cdaf52SJiri Slaby 
30483a6f82f7SJiri Slaby 	INIT_LIST_HEAD(&hdrv->dyn_list);
30493a6f82f7SJiri Slaby 	spin_lock_init(&hdrv->dyn_lock);
30503a6f82f7SJiri Slaby 
3051c2810325SGreg Kroah-Hartman 	return driver_register(&hdrv->driver);
305285cdaf52SJiri Slaby }
305385cdaf52SJiri Slaby EXPORT_SYMBOL_GPL(__hid_register_driver);
305485cdaf52SJiri Slaby 
305585cdaf52SJiri Slaby void hid_unregister_driver(struct hid_driver *hdrv)
305685cdaf52SJiri Slaby {
305785cdaf52SJiri Slaby 	driver_unregister(&hdrv->driver);
30583a6f82f7SJiri Slaby 	hid_free_dynids(hdrv);
305985cdaf52SJiri Slaby }
306085cdaf52SJiri Slaby EXPORT_SYMBOL_GPL(hid_unregister_driver);
306185cdaf52SJiri Slaby 
30620361a28dSOliver Neukum int hid_check_keys_pressed(struct hid_device *hid)
30630361a28dSOliver Neukum {
30640361a28dSOliver Neukum 	struct hid_input *hidinput;
30650361a28dSOliver Neukum 	int i;
30660361a28dSOliver Neukum 
3067e5288eb5SJiri Kosina 	if (!(hid->claimed & HID_CLAIMED_INPUT))
3068e5288eb5SJiri Kosina 		return 0;
3069e5288eb5SJiri Kosina 
30700361a28dSOliver Neukum 	list_for_each_entry(hidinput, &hid->inputs, list) {
30710361a28dSOliver Neukum 		for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
30720361a28dSOliver Neukum 			if (hidinput->input->key[i])
30730361a28dSOliver Neukum 				return 1;
30740361a28dSOliver Neukum 	}
30750361a28dSOliver Neukum 
30760361a28dSOliver Neukum 	return 0;
30770361a28dSOliver Neukum }
30780361a28dSOliver Neukum 
30790361a28dSOliver Neukum EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
30800361a28dSOliver Neukum 
308186166b7bSJiri Kosina static int __init hid_init(void)
308286166b7bSJiri Kosina {
308385cdaf52SJiri Slaby 	int ret;
308485cdaf52SJiri Slaby 
3085a635f9ddSJiri Kosina 	if (hid_debug)
30864291ee30SJoe Perches 		pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
30874291ee30SJoe Perches 			"debugfs is now used for inspecting the device (report descriptor, reports)\n");
3088a635f9ddSJiri Kosina 
308985cdaf52SJiri Slaby 	ret = bus_register(&hid_bus_type);
309085cdaf52SJiri Slaby 	if (ret) {
30914291ee30SJoe Perches 		pr_err("can't register hid bus\n");
309285cdaf52SJiri Slaby 		goto err;
309385cdaf52SJiri Slaby 	}
309485cdaf52SJiri Slaby 
309585cdaf52SJiri Slaby 	ret = hidraw_init();
309685cdaf52SJiri Slaby 	if (ret)
309785cdaf52SJiri Slaby 		goto err_bus;
309885cdaf52SJiri Slaby 
3099a635f9ddSJiri Kosina 	hid_debug_init();
3100a635f9ddSJiri Kosina 
310185cdaf52SJiri Slaby 	return 0;
310285cdaf52SJiri Slaby err_bus:
310385cdaf52SJiri Slaby 	bus_unregister(&hid_bus_type);
310485cdaf52SJiri Slaby err:
310585cdaf52SJiri Slaby 	return ret;
310686166b7bSJiri Kosina }
310786166b7bSJiri Kosina 
310886166b7bSJiri Kosina static void __exit hid_exit(void)
310986166b7bSJiri Kosina {
3110a635f9ddSJiri Kosina 	hid_debug_exit();
311186166b7bSJiri Kosina 	hidraw_exit();
311285cdaf52SJiri Slaby 	bus_unregister(&hid_bus_type);
311386166b7bSJiri Kosina }
311486166b7bSJiri Kosina 
311586166b7bSJiri Kosina module_init(hid_init);
311686166b7bSJiri Kosina module_exit(hid_exit);
311786166b7bSJiri Kosina 
311888adb72bSJiri Kosina MODULE_AUTHOR("Andreas Gal");
311988adb72bSJiri Kosina MODULE_AUTHOR("Vojtech Pavlik");
312088adb72bSJiri Kosina MODULE_AUTHOR("Jiri Kosina");
31217021b600SGrant Grundler MODULE_LICENSE("GPL");
3122aa938f79SJiri Kosina 
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