[PATCH] Generic HID layer - code split

The "big main" split of USB HID code into generic HID code and
USB-transport specific HID handling.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/hid/hid-core.c

@@ -0,0 +1,940 @@
+/*
+ *  USB HID support for Linux
+ *
+ *  Copyright (c) 1999 Andreas Gal
+ *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
+ *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
+ *  Copyright (c) 2006 Jiri Kosina
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/list.h>
+#include <linux/mm.h>
+#include <linux/smp_lock.h>
+#include <linux/spinlock.h>
+#include <asm/unaligned.h>
+#include <asm/byteorder.h>
+#include <linux/input.h>
+#include <linux/wait.h>
+
+#undef DEBUG
+#undef DEBUG_DATA
+
+#include <linux/usb.h>
+
+#include <linux/hid.h>
+#include <linux/hiddev.h>
+
+/*
+ * Version Information
+ */
+
+#define DRIVER_VERSION "v2.6"
+#define DRIVER_AUTHOR "Andreas Gal, Vojtech Pavlik"
+#define DRIVER_DESC "USB HID core driver"
+#define DRIVER_LICENSE "GPL"
+
+/*
+ * Module parameters.
+ */
+
+static unsigned int hid_mousepoll_interval;
+module_param_named(mousepoll, hid_mousepoll_interval, uint, 0644);
+MODULE_PARM_DESC(mousepoll, "Polling interval of mice");
+
+/*
+ * Register a new report for a device.
+ */
+
+static struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id)
+{
+	struct hid_report_enum *report_enum = device->report_enum + type;
+	struct hid_report *report;
+
+	if (report_enum->report_id_hash[id])
+		return report_enum->report_id_hash[id];
+
+	if (!(report = kzalloc(sizeof(struct hid_report), GFP_KERNEL)))
+		return NULL;
+
+	if (id != 0)
+		report_enum->numbered = 1;
+
+	report->id = id;
+	report->type = type;
+	report->size = 0;
+	report->device = device;
+	report_enum->report_id_hash[id] = report;
+
+	list_add_tail(&report->list, &report_enum->report_list);
+
+	return report;
+}
+
+/*
+ * Register a new field for this report.
+ */
+
+static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
+{
+	struct hid_field *field;
+
+	if (report->maxfield == HID_MAX_FIELDS) {
+		dbg("too many fields in report");
+		return NULL;
+	}
+
+	if (!(field = kzalloc(sizeof(struct hid_field) + usages * sizeof(struct hid_usage)
+		+ values * sizeof(unsigned), GFP_KERNEL))) return NULL;
+
+	field->index = report->maxfield++;
+	report->field[field->index] = field;
+	field->usage = (struct hid_usage *)(field + 1);
+	field->value = (unsigned *)(field->usage + usages);
+	field->report = report;
+
+	return field;
+}
+
+/*
+ * Open a collection. The type/usage is pushed on the stack.
+ */
+
+static int open_collection(struct hid_parser *parser, unsigned type)
+{
+	struct hid_collection *collection;
+	unsigned usage;
+
+	usage = parser->local.usage[0];
+
+	if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
+		dbg("collection stack overflow");
+		return -1;
+	}
+
+	if (parser->device->maxcollection == parser->device->collection_size) {
+		collection = kmalloc(sizeof(struct hid_collection) *
+				parser->device->collection_size * 2, GFP_KERNEL);
+		if (collection == NULL) {
+			dbg("failed to reallocate collection array");
+			return -1;
+		}
+		memcpy(collection, parser->device->collection,
+			sizeof(struct hid_collection) *
+			parser->device->collection_size);
+		memset(collection + parser->device->collection_size, 0,
+			sizeof(struct hid_collection) *
+			parser->device->collection_size);
+		kfree(parser->device->collection);
+		parser->device->collection = collection;
+		parser->device->collection_size *= 2;
+	}
+
+	parser->collection_stack[parser->collection_stack_ptr++] =
+		parser->device->maxcollection;
+
+	collection = parser->device->collection +
+		parser->device->maxcollection++;
+	collection->type = type;
+	collection->usage = usage;
+	collection->level = parser->collection_stack_ptr - 1;
+
+	if (type == HID_COLLECTION_APPLICATION)
+		parser->device->maxapplication++;
+
+	return 0;
+}
+
+/*
+ * Close a collection.
+ */
+
+static int close_collection(struct hid_parser *parser)
+{
+	if (!parser->collection_stack_ptr) {
+		dbg("collection stack underflow");
+		return -1;
+	}
+	parser->collection_stack_ptr--;
+	return 0;
+}
+
+/*
+ * Climb up the stack, search for the specified collection type
+ * and return the usage.
+ */
+
+static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
+{
+	int n;
+	for (n = parser->collection_stack_ptr - 1; n >= 0; n--)
+		if (parser->device->collection[parser->collection_stack[n]].type == type)
+			return parser->device->collection[parser->collection_stack[n]].usage;
+	return 0; /* we know nothing about this usage type */
+}
+
+/*
+ * Add a usage to the temporary parser table.
+ */
+
+static int hid_add_usage(struct hid_parser *parser, unsigned usage)
+{
+	if (parser->local.usage_index >= HID_MAX_USAGES) {
+		dbg("usage index exceeded");
+		return -1;
+	}
+	parser->local.usage[parser->local.usage_index] = usage;
+	parser->local.collection_index[parser->local.usage_index] =
+		parser->collection_stack_ptr ?
+		parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
+	parser->local.usage_index++;
+	return 0;
+}
+
+/*
+ * Register a new field for this report.
+ */
+
+static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
+{
+	struct hid_report *report;
+	struct hid_field *field;
+	int usages;
+	unsigned offset;
+	int i;
+
+	if (!(report = hid_register_report(parser->device, report_type, parser->global.report_id))) {
+		dbg("hid_register_report failed");
+		return -1;
+	}
+
+	if (parser->global.logical_maximum < parser->global.logical_minimum) {
+		dbg("logical range invalid %d %d", parser->global.logical_minimum, parser->global.logical_maximum);
+		return -1;
+	}
+
+	offset = report->size;
+	report->size += parser->global.report_size * parser->global.report_count;
+
+	if (!parser->local.usage_index) /* Ignore padding fields */
+		return 0;
+
+	usages = max_t(int, parser->local.usage_index, parser->global.report_count);
+
+	if ((field = hid_register_field(report, usages, parser->global.report_count)) == NULL)
+		return 0;
+
+	field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
+	field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
+	field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
+
+	for (i = 0; i < usages; i++) {
+		int j = i;
+		/* Duplicate the last usage we parsed if we have excess values */
+		if (i >= parser->local.usage_index)
+			j = parser->local.usage_index - 1;
+		field->usage[i].hid = parser->local.usage[j];
+		field->usage[i].collection_index =
+			parser->local.collection_index[j];
+	}
+
+	field->maxusage = usages;
+	field->flags = flags;
+	field->report_offset = offset;
+	field->report_type = report_type;
+	field->report_size = parser->global.report_size;
+	field->report_count = parser->global.report_count;
+	field->logical_minimum = parser->global.logical_minimum;
+	field->logical_maximum = parser->global.logical_maximum;
+	field->physical_minimum = parser->global.physical_minimum;
+	field->physical_maximum = parser->global.physical_maximum;
+	field->unit_exponent = parser->global.unit_exponent;
+	field->unit = parser->global.unit;
+
+	return 0;
+}
+
+/*
+ * Read data value from item.
+ */
+
+static u32 item_udata(struct hid_item *item)
+{
+	switch (item->size) {
+		case 1: return item->data.u8;
+		case 2: return item->data.u16;
+		case 4: return item->data.u32;
+	}
+	return 0;
+}
+
+static s32 item_sdata(struct hid_item *item)
+{
+	switch (item->size) {
+		case 1: return item->data.s8;
+		case 2: return item->data.s16;
+		case 4: return item->data.s32;
+	}
+	return 0;
+}
+
+/*
+ * Process a global item.
+ */
+
+static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
+{
+	switch (item->tag) {
+
+		case HID_GLOBAL_ITEM_TAG_PUSH:
+
+			if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
+				dbg("global enviroment stack overflow");
+				return -1;
+			}
+
+			memcpy(parser->global_stack + parser->global_stack_ptr++,
+				&parser->global, sizeof(struct hid_global));
+			return 0;
+
+		case HID_GLOBAL_ITEM_TAG_POP:
+
+			if (!parser->global_stack_ptr) {
+				dbg("global enviroment stack underflow");
+				return -1;
+			}
+
+			memcpy(&parser->global, parser->global_stack + --parser->global_stack_ptr,
+				sizeof(struct hid_global));
+			return 0;
+
+		case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
+			parser->global.usage_page = item_udata(item);
+			return 0;
+
+		case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
+			parser->global.logical_minimum = item_sdata(item);
+			return 0;
+
+		case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
+			if (parser->global.logical_minimum < 0)
+				parser->global.logical_maximum = item_sdata(item);
+			else
+				parser->global.logical_maximum = item_udata(item);
+			return 0;
+
+		case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
+			parser->global.physical_minimum = item_sdata(item);
+			return 0;
+
+		case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
+			if (parser->global.physical_minimum < 0)
+				parser->global.physical_maximum = item_sdata(item);
+			else
+				parser->global.physical_maximum = item_udata(item);
+			return 0;
+
+		case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
+			parser->global.unit_exponent = item_sdata(item);
+			return 0;
+
+		case HID_GLOBAL_ITEM_TAG_UNIT:
+			parser->global.unit = item_udata(item);
+			return 0;
+
+		case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
+			if ((parser->global.report_size = item_udata(item)) > 32) {
+				dbg("invalid report_size %d", parser->global.report_size);
+				return -1;
+			}
+			return 0;
+
+		case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
+			if ((parser->global.report_count = item_udata(item)) > HID_MAX_USAGES) {
+				dbg("invalid report_count %d", parser->global.report_count);
+				return -1;
+			}
+			return 0;
+
+		case HID_GLOBAL_ITEM_TAG_REPORT_ID:
+			if ((parser->global.report_id = item_udata(item)) == 0) {
+				dbg("report_id 0 is invalid");
+				return -1;
+			}
+			return 0;
+
+		default:
+			dbg("unknown global tag 0x%x", item->tag);
+			return -1;
+	}
+}
+
+/*
+ * Process a local item.
+ */
+
+static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
+{
+	__u32 data;
+	unsigned n;
+
+	if (item->size == 0) {
+		dbg("item data expected for local item");
+		return -1;
+	}
+
+	data = item_udata(item);
+
+	switch (item->tag) {
+
+		case HID_LOCAL_ITEM_TAG_DELIMITER:
+
+			if (data) {
+				/*
+				 * We treat items before the first delimiter
+				 * as global to all usage sets (branch 0).
+				 * In the moment we process only these global
+				 * items and the first delimiter set.
+				 */
+				if (parser->local.delimiter_depth != 0) {
+					dbg("nested delimiters");
+					return -1;
+				}
+				parser->local.delimiter_depth++;
+				parser->local.delimiter_branch++;
+			} else {
+				if (parser->local.delimiter_depth < 1) {
+					dbg("bogus close delimiter");
+					return -1;
+				}
+				parser->local.delimiter_depth--;
+			}
+			return 1;
+
+		case HID_LOCAL_ITEM_TAG_USAGE:
+
+			if (parser->local.delimiter_branch > 1) {
+				dbg("alternative usage ignored");
+				return 0;
+			}
+
+			if (item->size <= 2)
+				data = (parser->global.usage_page << 16) + data;
+
+			return hid_add_usage(parser, data);
+
+		case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
+
+			if (parser->local.delimiter_branch > 1) {
+				dbg("alternative usage ignored");
+				return 0;
+			}
+
+			if (item->size <= 2)
+				data = (parser->global.usage_page << 16) + data;
+
+			parser->local.usage_minimum = data;
+			return 0;
+
+		case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
+
+			if (parser->local.delimiter_branch > 1) {
+				dbg("alternative usage ignored");
+				return 0;
+			}
+
+			if (item->size <= 2)
+				data = (parser->global.usage_page << 16) + data;
+
+			for (n = parser->local.usage_minimum; n <= data; n++)
+				if (hid_add_usage(parser, n)) {
+					dbg("hid_add_usage failed\n");
+					return -1;
+				}
+			return 0;
+
+		default:
+
+			dbg("unknown local item tag 0x%x", item->tag);
+			return 0;
+	}
+	return 0;
+}
+
+/*
+ * Process a main item.
+ */
+
+static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
+{
+	__u32 data;
+	int ret;
+
+	data = item_udata(item);
+
+	switch (item->tag) {
+		case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
+			ret = open_collection(parser, data & 0xff);
+			break;
+		case HID_MAIN_ITEM_TAG_END_COLLECTION:
+			ret = close_collection(parser);
+			break;
+		case HID_MAIN_ITEM_TAG_INPUT:
+			ret = hid_add_field(parser, HID_INPUT_REPORT, data);
+			break;
+		case HID_MAIN_ITEM_TAG_OUTPUT:
+			ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
+			break;
+		case HID_MAIN_ITEM_TAG_FEATURE:
+			ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
+			break;
+		default:
+			dbg("unknown main item tag 0x%x", item->tag);
+			ret = 0;
+	}
+
+	memset(&parser->local, 0, sizeof(parser->local));	/* Reset the local parser environment */
+
+	return ret;
+}
+
+/*
+ * Process a reserved item.
+ */
+
+static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
+{
+	dbg("reserved item type, tag 0x%x", item->tag);
+	return 0;
+}
+
+/*
+ * Free a report and all registered fields. The field->usage and
+ * field->value table's are allocated behind the field, so we need
+ * only to free(field) itself.
+ */
+
+static void hid_free_report(struct hid_report *report)
+{
+	unsigned n;
+
+	for (n = 0; n < report->maxfield; n++)
+		kfree(report->field[n]);
+	kfree(report);
+}
+
+/*
+ * Free a device structure, all reports, and all fields.
+ */
+
+static void hid_free_device(struct hid_device *device)
+{
+	unsigned i,j;
+
+	for (i = 0; i < HID_REPORT_TYPES; i++) {
+		struct hid_report_enum *report_enum = device->report_enum + i;
+
+		for (j = 0; j < 256; j++) {
+			struct hid_report *report = report_enum->report_id_hash[j];
+			if (report)
+				hid_free_report(report);
+		}
+	}
+
+	kfree(device->rdesc);
+	kfree(device);
+}
+
+/*
+ * Fetch a report description item from the data stream. We support long
+ * items, though they are not used yet.
+ */
+
+static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
+{
+	u8 b;
+
+	if ((end - start) <= 0)
+		return NULL;
+
+	b = *start++;
+
+	item->type = (b >> 2) & 3;
+	item->tag  = (b >> 4) & 15;
+
+	if (item->tag == HID_ITEM_TAG_LONG) {
+
+		item->format = HID_ITEM_FORMAT_LONG;
+
+		if ((end - start) < 2)
+			return NULL;
+
+		item->size = *start++;
+		item->tag  = *start++;
+
+		if ((end - start) < item->size)
+			return NULL;
+
+		item->data.longdata = start;
+		start += item->size;
+		return start;
+	}
+
+	item->format = HID_ITEM_FORMAT_SHORT;
+	item->size = b & 3;
+
+	switch (item->size) {
+
+		case 0:
+			return start;
+
+		case 1:
+			if ((end - start) < 1)
+				return NULL;
+			item->data.u8 = *start++;
+			return start;
+
+		case 2:
+			if ((end - start) < 2)
+				return NULL;
+			item->data.u16 = le16_to_cpu(get_unaligned((__le16*)start));
+			start = (__u8 *)((__le16 *)start + 1);
+			return start;
+
+		case 3:
+			item->size++;
+			if ((end - start) < 4)
+				return NULL;
+			item->data.u32 = le32_to_cpu(get_unaligned((__le32*)start));
+			start = (__u8 *)((__le32 *)start + 1);
+			return start;
+	}
+
+	return NULL;
+}
+
+/*
+ * Parse a report description into a hid_device structure. Reports are
+ * enumerated, fields are attached to these reports.
+ */
+
+static struct hid_device *hid_parse_report(__u8 *start, unsigned size)
+{
+	struct hid_device *device;
+	struct hid_parser *parser;
+	struct hid_item item;
+	__u8 *end;
+	unsigned i;
+	static int (*dispatch_type[])(struct hid_parser *parser,
+				      struct hid_item *item) = {
+		hid_parser_main,
+		hid_parser_global,
+		hid_parser_local,
+		hid_parser_reserved
+	};
+
+	if (!(device = kzalloc(sizeof(struct hid_device), GFP_KERNEL)))
+		return NULL;
+
+	if (!(device->collection = kzalloc(sizeof(struct hid_collection) *
+				   HID_DEFAULT_NUM_COLLECTIONS, GFP_KERNEL))) {
+		kfree(device);
+		return NULL;
+	}
+	device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
+
+	for (i = 0; i < HID_REPORT_TYPES; i++)
+		INIT_LIST_HEAD(&device->report_enum[i].report_list);
+
+	if (!(device->rdesc = (__u8 *)kmalloc(size, GFP_KERNEL))) {
+		kfree(device->collection);
+		kfree(device);
+		return NULL;
+	}
+	memcpy(device->rdesc, start, size);
+	device->rsize = size;
+
+	if (!(parser = kzalloc(sizeof(struct hid_parser), GFP_KERNEL))) {
+		kfree(device->rdesc);
+		kfree(device->collection);
+		kfree(device);
+		return NULL;
+	}
+	parser->device = device;
+
+	end = start + size;
+	while ((start = fetch_item(start, end, &item)) != NULL) {
+
+		if (item.format != HID_ITEM_FORMAT_SHORT) {
+			dbg("unexpected long global item");
+			kfree(device->collection);
+			hid_free_device(device);
+			kfree(parser);
+			return NULL;
+		}
+
+		if (dispatch_type[item.type](parser, &item)) {
+			dbg("item %u %u %u %u parsing failed\n",
+				item.format, (unsigned)item.size, (unsigned)item.type, (unsigned)item.tag);
+			kfree(device->collection);
+			hid_free_device(device);
+			kfree(parser);
+			return NULL;
+		}
+
+		if (start == end) {
+			if (parser->collection_stack_ptr) {
+				dbg("unbalanced collection at end of report description");
+				kfree(device->collection);
+				hid_free_device(device);
+				kfree(parser);
+				return NULL;
+			}
+			if (parser->local.delimiter_depth) {
+				dbg("unbalanced delimiter at end of report description");
+				kfree(device->collection);
+				hid_free_device(device);
+				kfree(parser);
+				return NULL;
+			}
+			kfree(parser);
+			return device;
+		}
+	}
+
+	dbg("item fetching failed at offset %d\n", (int)(end - start));
+	kfree(device->collection);
+	hid_free_device(device);
+	kfree(parser);
+	return NULL;
+}
+
+/*
+ * Convert a signed n-bit integer to signed 32-bit integer. Common
+ * cases are done through the compiler, the screwed things has to be
+ * done by hand.
+ */
+
+static s32 snto32(__u32 value, unsigned n)
+{
+	switch (n) {
+		case 8:  return ((__s8)value);
+		case 16: return ((__s16)value);
+		case 32: return ((__s32)value);
+	}
+	return value & (1 << (n - 1)) ? value | (-1 << n) : value;
+}
+
+/*
+ * Convert a signed 32-bit integer to a signed n-bit integer.
+ */
+
+static u32 s32ton(__s32 value, unsigned n)
+{
+	s32 a = value >> (n - 1);
+	if (a && a != -1)
+		return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
+	return value & ((1 << n) - 1);
+}
+
+/*
+ * Extract/implement a data field from/to a little endian report (bit array).
+ *
+ * Code sort-of follows HID spec:
+ *     http://www.usb.org/developers/devclass_docs/HID1_11.pdf
+ *
+ * While the USB HID spec allows unlimited length bit fields in "report
+ * descriptors", most devices never use more than 16 bits.
+ * One model of UPS is claimed to report "LINEV" as a 32-bit field.
+ * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
+ */
+
+static __inline__ __u32 extract(__u8 *report, unsigned offset, unsigned n)
+{
+	u64 x;
+
+	WARN_ON(n > 32);
+
+	report += offset >> 3;  /* adjust byte index */
+	offset &= 7;		/* now only need bit offset into one byte */
+	x = get_unaligned((u64 *) report);
+	x = le64_to_cpu(x);
+	x = (x >> offset) & ((1ULL << n) - 1);	/* extract bit field */
+	return (u32) x;
+}
+
+/*
+ * "implement" : set bits in a little endian bit stream.
+ * Same concepts as "extract" (see comments above).
+ * The data mangled in the bit stream remains in little endian
+ * order the whole time. It make more sense to talk about
+ * endianness of register values by considering a register
+ * a "cached" copy of the little endiad bit stream.
+ */
+static __inline__ void implement(__u8 *report, unsigned offset, unsigned n, __u32 value)
+{
+	u64 x;
+	u64 m = (1ULL << n) - 1;
+
+	WARN_ON(n > 32);
+
+	WARN_ON(value > m);
+	value &= m;
+
+	report += offset >> 3;
+	offset &= 7;
+
+	x = get_unaligned((u64 *)report);
+	x &= cpu_to_le64(~(m << offset));
+	x |= cpu_to_le64(((u64) value) << offset);
+	put_unaligned(x, (u64 *) report);
+}
+
+/*
+ * Search an array for a value.
+ */
+
+static __inline__ int search(__s32 *array, __s32 value, unsigned n)
+{
+	while (n--) {
+		if (*array++ == value)
+			return 0;
+	}
+	return -1;
+}
+
+static void hid_process_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value, int interrupt)
+{
+	hid_dump_input(usage, value);
+	if (hid->claimed & HID_CLAIMED_INPUT)
+		hidinput_hid_event(hid, field, usage, value);
+	if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt)
+		hiddev_hid_event(hid, field, usage, value);
+}
+
+/*
+ * Analyse a received field, and fetch the data from it. The field
+ * content is stored for next report processing (we do differential
+ * reporting to the layer).
+ */
+
+static void hid_input_field(struct hid_device *hid, struct hid_field *field, __u8 *data, int interrupt)
+{
+	unsigned n;
+	unsigned count = field->report_count;
+	unsigned offset = field->report_offset;
+	unsigned size = field->report_size;
+	__s32 min = field->logical_minimum;
+	__s32 max = field->logical_maximum;
+	__s32 *value;
+
+	if (!(value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC)))
+		return;
+
+	for (n = 0; n < count; n++) {
+
+			value[n] = min < 0 ? snto32(extract(data, offset + n * size, size), size) :
+						    extract(data, offset + n * size, size);
+
+			if (!(field->flags & HID_MAIN_ITEM_VARIABLE) /* Ignore report if ErrorRollOver */
+			    && value[n] >= min && value[n] <= max
+			    && field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
+				goto exit;
+	}
+
+	for (n = 0; n < count; n++) {
+
+		if (HID_MAIN_ITEM_VARIABLE & field->flags) {
+			hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
+			continue;
+		}
+
+		if (field->value[n] >= min && field->value[n] <= max
+			&& field->usage[field->value[n] - min].hid
+			&& search(value, field->value[n], count))
+				hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
+
+		if (value[n] >= min && value[n] <= max
+			&& field->usage[value[n] - min].hid
+			&& search(field->value, value[n], count))
+				hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
+	}
+
+	memcpy(field->value, value, count * sizeof(__s32));
+exit:
+	kfree(value);
+}
+
+
+/*
+ * Output the field into the report.
+ */
+
+static void hid_output_field(struct hid_field *field, __u8 *data)
+{
+	unsigned count = field->report_count;
+	unsigned offset = field->report_offset;
+	unsigned size = field->report_size;
+	unsigned n;
+
+	for (n = 0; n < count; n++) {
+		if (field->logical_minimum < 0)	/* signed values */
+			implement(data, offset + n * size, size, s32ton(field->value[n], size));
+		else				/* unsigned values */
+			implement(data, offset + n * size, size, field->value[n]);
+	}
+}
+
+/*
+ * Create a report.
+ */
+
+static void hid_output_report(struct hid_report *report, __u8 *data)
+{
+	unsigned n;
+
+	if (report->id > 0)
+		*data++ = report->id;
+
+	for (n = 0; n < report->maxfield; n++)
+		hid_output_field(report->field[n], data);
+}
+
+/*
+ * Set a field value. The report this field belongs to has to be
+ * created and transferred to the device, to set this value in the
+ * device.
+ */
+
+int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
+{
+	unsigned size = field->report_size;
+
+	hid_dump_input(field->usage + offset, value);
+
+	if (offset >= field->report_count) {
+		dbg("offset (%d) exceeds report_count (%d)", offset, field->report_count);
+		hid_dump_field(field, 8);
+		return -1;
+	}
+	if (field->logical_minimum < 0) {
+		if (value != snto32(s32ton(value, size), size)) {
+			dbg("value %d is out of range", value);
+			return -1;
+		}
+	}
+	field->value[offset] = value;
+	return 0;
+}
+

drivers/hid/hid-input.c

@@ -0,0 +1,840 @@
+/*
+ * $Id: hid-input.c,v 1.2 2002/04/23 00:59:25 rdamazio Exp $
+ *
+ *  Copyright (c) 2000-2001 Vojtech Pavlik
+ *  Copyright (c) 2006 Jiri Kosina
+ *
+ *  HID to Linux Input mapping
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Should you need to contact me, the author, you can do so either by
+ * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
+ * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
+ */
+
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/kernel.h>
+#include <linux/usb/input.h>
+
+#undef DEBUG
+
+#include <linux/hid.h>
+
+#define unk	KEY_UNKNOWN
+
+static const unsigned char hid_keyboard[256] = {
+	  0,  0,  0,  0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
+	 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44,  2,  3,
+	  4,  5,  6,  7,  8,  9, 10, 11, 28,  1, 14, 15, 57, 12, 13, 26,
+	 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
+	 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
+	105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
+	 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
+	191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
+	115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk,
+	122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
+	unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
+	unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
+	unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
+	unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
+	 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
+	150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk
+};
+
+static const struct {
+	__s32 x;
+	__s32 y;
+}  hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
+
+#define map_abs(c)	do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0)
+#define map_rel(c)	do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0)
+#define map_key(c)	do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0)
+#define map_led(c)	do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0)
+
+#define map_abs_clear(c)	do { map_abs(c); clear_bit(c, bit); } while (0)
+#define map_key_clear(c)	do { map_key(c); clear_bit(c, bit); } while (0)
+
+#ifdef CONFIG_USB_HIDINPUT_POWERBOOK
+
+struct hidinput_key_translation {
+	u16 from;
+	u16 to;
+	u8 flags;
+};
+
+#define POWERBOOK_FLAG_FKEY 0x01
+
+static struct hidinput_key_translation powerbook_fn_keys[] = {
+	{ KEY_BACKSPACE, KEY_DELETE },
+	{ KEY_F1,       KEY_BRIGHTNESSDOWN,     POWERBOOK_FLAG_FKEY },
+	{ KEY_F2,       KEY_BRIGHTNESSUP,       POWERBOOK_FLAG_FKEY },
+	{ KEY_F3,       KEY_MUTE,               POWERBOOK_FLAG_FKEY },
+	{ KEY_F4,       KEY_VOLUMEDOWN,         POWERBOOK_FLAG_FKEY },
+	{ KEY_F5,       KEY_VOLUMEUP,           POWERBOOK_FLAG_FKEY },
+	{ KEY_F6,       KEY_NUMLOCK,            POWERBOOK_FLAG_FKEY },
+	{ KEY_F7,       KEY_SWITCHVIDEOMODE,    POWERBOOK_FLAG_FKEY },
+	{ KEY_F8,       KEY_KBDILLUMTOGGLE,     POWERBOOK_FLAG_FKEY },
+	{ KEY_F9,       KEY_KBDILLUMDOWN,       POWERBOOK_FLAG_FKEY },
+	{ KEY_F10,      KEY_KBDILLUMUP,         POWERBOOK_FLAG_FKEY },
+	{ KEY_UP,       KEY_PAGEUP },
+	{ KEY_DOWN,     KEY_PAGEDOWN },
+	{ KEY_LEFT,     KEY_HOME },
+	{ KEY_RIGHT,    KEY_END },
+	{ }
+};
+
+static struct hidinput_key_translation powerbook_numlock_keys[] = {
+	{ KEY_J,        KEY_KP1 },
+	{ KEY_K,        KEY_KP2 },
+	{ KEY_L,        KEY_KP3 },
+	{ KEY_U,        KEY_KP4 },
+	{ KEY_I,        KEY_KP5 },
+	{ KEY_O,        KEY_KP6 },
+	{ KEY_7,        KEY_KP7 },
+	{ KEY_8,        KEY_KP8 },
+	{ KEY_9,        KEY_KP9 },
+	{ KEY_M,        KEY_KP0 },
+	{ KEY_DOT,      KEY_KPDOT },
+	{ KEY_SLASH,    KEY_KPPLUS },
+	{ KEY_SEMICOLON, KEY_KPMINUS },
+	{ KEY_P,        KEY_KPASTERISK },
+	{ KEY_MINUS,    KEY_KPEQUAL },
+	{ KEY_0,        KEY_KPSLASH },
+	{ KEY_F6,       KEY_NUMLOCK },
+	{ KEY_KPENTER,  KEY_KPENTER },
+	{ KEY_BACKSPACE, KEY_BACKSPACE },
+	{ }
+};
+
+static struct hidinput_key_translation powerbook_iso_keyboard[] = {
+	{ KEY_GRAVE,    KEY_102ND },
+	{ KEY_102ND,    KEY_GRAVE },
+	{ }
+};
+
+
+static int usbhid_pb_fnmode = 1;
+module_param_named(pb_fnmode, usbhid_pb_fnmode, int, 0644);
+MODULE_PARM_DESC(pb_fnmode,
+		"Mode of fn key on PowerBooks (0 = disabled, 1 = fkeyslast, 2 = fkeysfirst)");
+
+static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from)
+{
+	struct hidinput_key_translation *trans;
+
+	/* Look for the translation */
+	for (trans = table; trans->from; trans++)
+		if (trans->from == from)
+			return trans;
+
+	return NULL;
+}
+
+static int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
+		struct hid_usage *usage, __s32 value)
+{
+	struct hidinput_key_translation *trans;
+
+	if (usage->code == KEY_FN) {
+		if (value) hid->quirks |=  HID_QUIRK_POWERBOOK_FN_ON;
+		else       hid->quirks &= ~HID_QUIRK_POWERBOOK_FN_ON;
+
+		input_event(input, usage->type, usage->code, value);
+
+		return 1;
+	}
+
+	if (usbhid_pb_fnmode) {
+		int do_translate;
+
+		trans = find_translation(powerbook_fn_keys, usage->code);
+		if (trans) {
+			if (test_bit(usage->code, hid->pb_pressed_fn))
+				do_translate = 1;
+			else if (trans->flags & POWERBOOK_FLAG_FKEY)
+				do_translate =
+					(usbhid_pb_fnmode == 2 &&  (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON)) ||
+					(usbhid_pb_fnmode == 1 && !(hid->quirks & HID_QUIRK_POWERBOOK_FN_ON));
+			else
+				do_translate = (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON);
+
+			if (do_translate) {
+				if (value)
+					set_bit(usage->code, hid->pb_pressed_fn);
+				else
+					clear_bit(usage->code, hid->pb_pressed_fn);
+
+				input_event(input, usage->type, trans->to, value);
+
+				return 1;
+			}
+		}
+
+		if (test_bit(usage->code, hid->pb_pressed_numlock) ||
+				test_bit(LED_NUML, input->led)) {
+			trans = find_translation(powerbook_numlock_keys, usage->code);
+
+			if (trans) {
+				if (value)
+					set_bit(usage->code, hid->pb_pressed_numlock);
+				else
+					clear_bit(usage->code, hid->pb_pressed_numlock);
+
+				input_event(input, usage->type, trans->to, value);
+			}
+
+			return 1;
+		}
+	}
+
+	if (hid->quirks & HID_QUIRK_POWERBOOK_ISO_KEYBOARD) {
+		trans = find_translation(powerbook_iso_keyboard, usage->code);
+		if (trans) {
+			input_event(input, usage->type, trans->to, value);
+			return 1;
+		}
+	}
+
+	return 0;
+}
+
+static void hidinput_pb_setup(struct input_dev *input)
+{
+	struct hidinput_key_translation *trans;
+
+	set_bit(KEY_NUMLOCK, input->keybit);
+
+	/* Enable all needed keys */
+	for (trans = powerbook_fn_keys; trans->from; trans++)
+		set_bit(trans->to, input->keybit);
+
+	for (trans = powerbook_numlock_keys; trans->from; trans++)
+		set_bit(trans->to, input->keybit);
+
+	for (trans = powerbook_iso_keyboard; trans->from; trans++)
+		set_bit(trans->to, input->keybit);
+
+}
+#else
+static inline int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
+		struct hid_usage *usage, __s32 value)
+{
+	return 0;
+}
+
+static inline void hidinput_pb_setup(struct input_dev *input)
+{
+}
+#endif
+
+static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
+				     struct hid_usage *usage)
+{
+	struct input_dev *input = hidinput->input;
+	struct hid_device *device = input->private;
+	int max = 0, code;
+	unsigned long *bit = NULL;
+
+	field->hidinput = hidinput;
+
+#ifdef DEBUG
+	printk(KERN_DEBUG "Mapping: ");
+	resolv_usage(usage->hid);
+	printk(" ---> ");
+#endif
+
+	if (field->flags & HID_MAIN_ITEM_CONSTANT)
+		goto ignore;
+
+	switch (usage->hid & HID_USAGE_PAGE) {
+
+		case HID_UP_UNDEFINED:
+			goto ignore;
+
+		case HID_UP_KEYBOARD:
+
+			set_bit(EV_REP, input->evbit);
+
+			if ((usage->hid & HID_USAGE) < 256) {
+				if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
+				map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
+			} else
+				map_key(KEY_UNKNOWN);
+
+			break;
+
+		case HID_UP_BUTTON:
+
+			code = ((usage->hid - 1) & 0xf);
+
+			switch (field->application) {
+				case HID_GD_MOUSE:
+				case HID_GD_POINTER:  code += 0x110; break;
+				case HID_GD_JOYSTICK: code += 0x120; break;
+				case HID_GD_GAMEPAD:  code += 0x130; break;
+				default:
+					switch (field->physical) {
+						case HID_GD_MOUSE:
+						case HID_GD_POINTER:  code += 0x110; break;
+						case HID_GD_JOYSTICK: code += 0x120; break;
+						case HID_GD_GAMEPAD:  code += 0x130; break;
+						default:              code += 0x100;
+					}
+			}
+
+			map_key(code);
+			break;
+
+
+		case HID_UP_SIMULATION:
+
+			switch (usage->hid & 0xffff) {
+				case 0xba: map_abs(ABS_RUDDER);   break;
+				case 0xbb: map_abs(ABS_THROTTLE); break;
+				case 0xc4: map_abs(ABS_GAS);      break;
+				case 0xc5: map_abs(ABS_BRAKE);    break;
+				case 0xc8: map_abs(ABS_WHEEL);    break;
+				default:   goto ignore;
+			}
+			break;
+
+		case HID_UP_GENDESK:
+
+			if ((usage->hid & 0xf0) == 0x80) {	/* SystemControl */
+				switch (usage->hid & 0xf) {
+					case 0x1: map_key_clear(KEY_POWER);  break;
+					case 0x2: map_key_clear(KEY_SLEEP);  break;
+					case 0x3: map_key_clear(KEY_WAKEUP); break;
+					default: goto unknown;
+				}
+				break;
+			}
+
+			if ((usage->hid & 0xf0) == 0x90) {	/* D-pad */
+				switch (usage->hid) {
+					case HID_GD_UP:	   usage->hat_dir = 1; break;
+					case HID_GD_DOWN:  usage->hat_dir = 5; break;
+					case HID_GD_RIGHT: usage->hat_dir = 3; break;
+					case HID_GD_LEFT:  usage->hat_dir = 7; break;
+					default: goto unknown;
+				}
+				if (field->dpad) {
+					map_abs(field->dpad);
+					goto ignore;
+				}
+				map_abs(ABS_HAT0X);
+				break;
+			}
+
+			switch (usage->hid) {
+
+				/* These usage IDs map directly to the usage codes. */
+				case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
+				case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
+				case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
+					if (field->flags & HID_MAIN_ITEM_RELATIVE)
+						map_rel(usage->hid & 0xf);
+					else
+						map_abs(usage->hid & 0xf);
+					break;
+
+				case HID_GD_HATSWITCH:
+					usage->hat_min = field->logical_minimum;
+					usage->hat_max = field->logical_maximum;
+					map_abs(ABS_HAT0X);
+					break;
+
+				case HID_GD_START:	map_key_clear(BTN_START);	break;
+				case HID_GD_SELECT:	map_key_clear(BTN_SELECT);	break;
+
+				default: goto unknown;
+			}
+
+			break;
+
+		case HID_UP_LED:
+			if (((usage->hid - 1) & 0xffff) >= LED_MAX)
+				goto ignore;
+			map_led((usage->hid - 1) & 0xffff);
+			break;
+
+		case HID_UP_DIGITIZER:
+
+			switch (usage->hid & 0xff) {
+
+				case 0x30: /* TipPressure */
+					if (!test_bit(BTN_TOUCH, input->keybit)) {
+						device->quirks |= HID_QUIRK_NOTOUCH;
+						set_bit(EV_KEY, input->evbit);
+						set_bit(BTN_TOUCH, input->keybit);
+					}
+
+					map_abs_clear(ABS_PRESSURE);
+					break;
+
+				case 0x32: /* InRange */
+					switch (field->physical & 0xff) {
+						case 0x21: map_key(BTN_TOOL_MOUSE); break;
+						case 0x22: map_key(BTN_TOOL_FINGER); break;
+						default: map_key(BTN_TOOL_PEN); break;
+					}
+					break;
+
+				case 0x3c: /* Invert */
+					map_key_clear(BTN_TOOL_RUBBER);
+					break;
+
+				case 0x33: /* Touch */
+				case 0x42: /* TipSwitch */
+				case 0x43: /* TipSwitch2 */
+					device->quirks &= ~HID_QUIRK_NOTOUCH;
+					map_key_clear(BTN_TOUCH);
+					break;
+
+				case 0x44: /* BarrelSwitch */
+					map_key_clear(BTN_STYLUS);
+					break;
+
+				default:  goto unknown;
+			}
+			break;
+
+		case HID_UP_CONSUMER:	/* USB HUT v1.1, pages 56-62 */
+
+			switch (usage->hid & HID_USAGE) {
+				case 0x000: goto ignore;
+				case 0x034: map_key_clear(KEY_SLEEP);		break;
+				case 0x036: map_key_clear(BTN_MISC);		break;
+				case 0x045: map_key_clear(KEY_RADIO);		break;
+				case 0x08a: map_key_clear(KEY_WWW);		break;
+				case 0x08d: map_key_clear(KEY_PROGRAM);		break;
+				case 0x095: map_key_clear(KEY_HELP);		break;
+				case 0x09c: map_key_clear(KEY_CHANNELUP);	break;
+				case 0x09d: map_key_clear(KEY_CHANNELDOWN);	break;
+				case 0x0b0: map_key_clear(KEY_PLAY);		break;
+				case 0x0b1: map_key_clear(KEY_PAUSE);		break;
+				case 0x0b2: map_key_clear(KEY_RECORD);		break;
+				case 0x0b3: map_key_clear(KEY_FASTFORWARD);	break;
+				case 0x0b4: map_key_clear(KEY_REWIND);		break;
+				case 0x0b5: map_key_clear(KEY_NEXTSONG);	break;
+				case 0x0b6: map_key_clear(KEY_PREVIOUSSONG);	break;
+				case 0x0b7: map_key_clear(KEY_STOPCD);		break;
+				case 0x0b8: map_key_clear(KEY_EJECTCD);		break;
+				case 0x0cd: map_key_clear(KEY_PLAYPAUSE);	break;
+			        case 0x0e0: map_abs_clear(ABS_VOLUME);		break;
+				case 0x0e2: map_key_clear(KEY_MUTE);		break;
+				case 0x0e5: map_key_clear(KEY_BASSBOOST);	break;
+				case 0x0e9: map_key_clear(KEY_VOLUMEUP);	break;
+				case 0x0ea: map_key_clear(KEY_VOLUMEDOWN);	break;
+				case 0x183: map_key_clear(KEY_CONFIG);		break;
+				case 0x18a: map_key_clear(KEY_MAIL);		break;
+				case 0x192: map_key_clear(KEY_CALC);		break;
+				case 0x194: map_key_clear(KEY_FILE);		break;
+				case 0x1a7: map_key_clear(KEY_DOCUMENTS);	break;
+				case 0x201: map_key_clear(KEY_NEW);		break;
+				case 0x207: map_key_clear(KEY_SAVE);		break;
+				case 0x208: map_key_clear(KEY_PRINT);		break;
+				case 0x209: map_key_clear(KEY_PROPS);		break;
+				case 0x21a: map_key_clear(KEY_UNDO);		break;
+				case 0x21b: map_key_clear(KEY_COPY);		break;
+				case 0x21c: map_key_clear(KEY_CUT);		break;
+				case 0x21d: map_key_clear(KEY_PASTE);		break;
+				case 0x221: map_key_clear(KEY_FIND);		break;
+				case 0x223: map_key_clear(KEY_HOMEPAGE);	break;
+				case 0x224: map_key_clear(KEY_BACK);		break;
+				case 0x225: map_key_clear(KEY_FORWARD);		break;
+				case 0x226: map_key_clear(KEY_STOP);		break;
+				case 0x227: map_key_clear(KEY_REFRESH);		break;
+				case 0x22a: map_key_clear(KEY_BOOKMARKS);	break;
+				case 0x233: map_key_clear(KEY_SCROLLUP);	break;
+				case 0x234: map_key_clear(KEY_SCROLLDOWN);	break;
+				case 0x238: map_rel(REL_HWHEEL);		break;
+				case 0x279: map_key_clear(KEY_REDO);		break;
+				case 0x289: map_key_clear(KEY_REPLY);		break;
+				case 0x28b: map_key_clear(KEY_FORWARDMAIL);	break;
+				case 0x28c: map_key_clear(KEY_SEND);		break;
+
+				/* Reported on a Cherry Cymotion keyboard */
+				case 0x301: map_key_clear(KEY_PROG1);		break;
+				case 0x302: map_key_clear(KEY_PROG2);		break;
+				case 0x303: map_key_clear(KEY_PROG3);		break;
+
+				default:    goto ignore;
+			}
+			break;
+
+		case HID_UP_HPVENDOR:	/* Reported on a Dutch layout HP5308 */
+
+			set_bit(EV_REP, input->evbit);
+			switch (usage->hid & HID_USAGE) {
+			        case 0x021: map_key_clear(KEY_PRINT);           break;
+				case 0x070: map_key_clear(KEY_HP);		break;
+				case 0x071: map_key_clear(KEY_CAMERA);		break;
+				case 0x072: map_key_clear(KEY_SOUND);		break;
+				case 0x073: map_key_clear(KEY_QUESTION);	break;
+				case 0x080: map_key_clear(KEY_EMAIL);		break;
+				case 0x081: map_key_clear(KEY_CHAT);		break;
+				case 0x082: map_key_clear(KEY_SEARCH);		break;
+				case 0x083: map_key_clear(KEY_CONNECT);	        break;
+				case 0x084: map_key_clear(KEY_FINANCE);		break;
+				case 0x085: map_key_clear(KEY_SPORT);		break;
+				case 0x086: map_key_clear(KEY_SHOP);	        break;
+				default:    goto ignore;
+			}
+			break;
+
+		case HID_UP_MSVENDOR:
+			goto ignore;
+
+		case HID_UP_CUSTOM: /* Reported on Logitech and Powerbook USB keyboards */
+
+			set_bit(EV_REP, input->evbit);
+			switch(usage->hid & HID_USAGE) {
+				case 0x003:
+					/* The fn key on Apple PowerBooks */
+					map_key_clear(KEY_FN);
+					hidinput_pb_setup(input);
+					break;
+
+				default:    goto ignore;
+			}
+			break;
+
+		case HID_UP_LOGIVENDOR: /* Reported on Logitech Ultra X Media Remote */
+
+			set_bit(EV_REP, input->evbit);
+			switch(usage->hid & HID_USAGE) {
+				case 0x004: map_key_clear(KEY_AGAIN);		break;
+				case 0x00d: map_key_clear(KEY_HOME);		break;
+				case 0x024: map_key_clear(KEY_SHUFFLE);		break;
+				case 0x025: map_key_clear(KEY_TV);		break;
+				case 0x026: map_key_clear(KEY_MENU);		break;
+				case 0x031: map_key_clear(KEY_AUDIO);		break;
+				case 0x032: map_key_clear(KEY_TEXT);		break;
+				case 0x033: map_key_clear(KEY_LAST);		break;
+				case 0x047: map_key_clear(KEY_MP3);		break;
+				case 0x048: map_key_clear(KEY_DVD);		break;
+				case 0x049: map_key_clear(KEY_MEDIA);		break;
+				case 0x04a: map_key_clear(KEY_VIDEO);		break;
+				case 0x04b: map_key_clear(KEY_ANGLE);		break;
+				case 0x04c: map_key_clear(KEY_LANGUAGE);	break;
+				case 0x04d: map_key_clear(KEY_SUBTITLE);	break;
+				case 0x051: map_key_clear(KEY_RED);		break;
+				case 0x052: map_key_clear(KEY_CLOSE);		break;
+				default:    goto ignore;
+			}
+			break;
+
+		case HID_UP_PID:
+
+			switch(usage->hid & HID_USAGE) {
+				case 0xa4: map_key_clear(BTN_DEAD);	break;
+				default: goto ignore;
+			}
+			break;
+
+		default:
+		unknown:
+			if (field->report_size == 1) {
+				if (field->report->type == HID_OUTPUT_REPORT) {
+					map_led(LED_MISC);
+					break;
+				}
+				map_key(BTN_MISC);
+				break;
+			}
+			if (field->flags & HID_MAIN_ITEM_RELATIVE) {
+				map_rel(REL_MISC);
+				break;
+			}
+			map_abs(ABS_MISC);
+			break;
+	}
+
+	if (device->quirks & HID_QUIRK_MIGHTYMOUSE) {
+		if (usage->hid == HID_GD_Z)
+			map_rel(REL_HWHEEL);
+		else if (usage->code == BTN_1)
+			map_key(BTN_2);
+		else if (usage->code == BTN_2)
+			map_key(BTN_1);
+	}
+
+	if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) &&
+		 (usage->type == EV_REL) && (usage->code == REL_WHEEL))
+			set_bit(REL_HWHEEL, bit);
+
+	if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
+		|| ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
+		goto ignore;
+
+	if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) &&
+		usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE))
+		field->flags &= ~HID_MAIN_ITEM_RELATIVE;
+
+	set_bit(usage->type, input->evbit);
+
+	while (usage->code <= max && test_and_set_bit(usage->code, bit))
+		usage->code = find_next_zero_bit(bit, max + 1, usage->code);
+
+	if (usage->code > max)
+		goto ignore;
+
+
+	if (usage->type == EV_ABS) {
+
+		int a = field->logical_minimum;
+		int b = field->logical_maximum;
+
+		if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
+			a = field->logical_minimum = 0;
+			b = field->logical_maximum = 255;
+		}
+
+		if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
+			input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
+		else	input_set_abs_params(input, usage->code, a, b, 0, 0);
+
+	}
+
+	if (usage->type == EV_ABS &&
+	    (usage->hat_min < usage->hat_max || usage->hat_dir)) {
+		int i;
+		for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
+			input_set_abs_params(input, i, -1, 1, 0, 0);
+			set_bit(i, input->absbit);
+		}
+		if (usage->hat_dir && !field->dpad)
+			field->dpad = usage->code;
+	}
+
+#ifdef DEBUG
+	resolv_event(usage->type, usage->code);
+	printk("\n");
+#endif
+	return;
+
+ignore:
+#ifdef DEBUG
+	printk("IGNORED\n");
+#endif
+	return;
+}
+
+void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
+{
+	struct input_dev *input;
+	int *quirks = &hid->quirks;
+
+	if (!field->hidinput)
+		return;
+
+	input = field->hidinput->input;
+
+	if (!usage->type)
+		return;
+
+	if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
+		|| ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
+		if (value) hid->quirks |=  HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
+		else       hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
+		return;
+	}
+
+	if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) {
+		input_event(input, usage->type, usage->code, -value);
+		return;
+	}
+
+	if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) {
+		input_event(input, usage->type, REL_HWHEEL, value);
+		return;
+	}
+
+	if ((hid->quirks & HID_QUIRK_POWERBOOK_HAS_FN) && hidinput_pb_event(hid, input, usage, value))
+		return;
+
+	if (usage->hat_min < usage->hat_max || usage->hat_dir) {
+		int hat_dir = usage->hat_dir;
+		if (!hat_dir)
+			hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
+		if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
+		input_event(input, usage->type, usage->code    , hid_hat_to_axis[hat_dir].x);
+                input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
+                return;
+        }
+
+	if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
+		*quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
+		return;
+	}
+
+	if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
+		if (value) {
+			input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
+			return;
+		}
+		input_event(input, usage->type, usage->code, 0);
+		input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
+		return;
+	}
+
+	if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
+		int a = field->logical_minimum;
+		int b = field->logical_maximum;
+		input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
+	}
+
+	if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
+		dbg("Maximum Effects - %d",value);
+		return;
+	}
+
+	if (usage->hid == (HID_UP_PID | 0x7fUL)) {
+		dbg("PID Pool Report\n");
+		return;
+	}
+
+	if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
+		return;
+
+	input_event(input, usage->type, usage->code, value);
+
+	if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
+		input_event(input, usage->type, usage->code, 0);
+}
+
+void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
+{
+	struct hid_input *hidinput;
+
+	list_for_each_entry(hidinput, &hid->inputs, list)
+		input_sync(hidinput->input);
+}
+
+static int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
+{
+	struct hid_report *report;
+	int i, j;
+
+	list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
+		for (i = 0; i < report->maxfield; i++) {
+			*field = report->field[i];
+			for (j = 0; j < (*field)->maxusage; j++)
+				if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
+					return j;
+		}
+	}
+	return -1;
+}
+
+/*
+ * Register the input device; print a message.
+ * Configure the input layer interface
+ * Read all reports and initialize the absolute field values.
+ */
+
+int hidinput_connect(struct hid_device *hid)
+{
+	struct usb_device *dev = hid->dev;
+	struct hid_report *report;
+	struct hid_input *hidinput = NULL;
+	struct input_dev *input_dev;
+	int i, j, k;
+
+	INIT_LIST_HEAD(&hid->inputs);
+
+	for (i = 0; i < hid->maxcollection; i++)
+		if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
+		    hid->collection[i].type == HID_COLLECTION_PHYSICAL)
+			if (IS_INPUT_APPLICATION(hid->collection[i].usage))
+				break;
+
+	if (i == hid->maxcollection)
+		return -1;
+
+	for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++)
+		list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
+
+			if (!report->maxfield)
+				continue;
+
+			if (!hidinput) {
+				hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
+				input_dev = input_allocate_device();
+				if (!hidinput || !input_dev) {
+					kfree(hidinput);
+					input_free_device(input_dev);
+					err("Out of memory during hid input probe");
+					return -1;
+				}
+
+				input_dev->private = hid;
+				input_dev->event = hidinput_input_event;
+				input_dev->open = hidinput_open;
+				input_dev->close = hidinput_close;
+
+				input_dev->name = hid->name;
+				input_dev->phys = hid->phys;
+				input_dev->uniq = hid->uniq;
+				usb_to_input_id(dev, &input_dev->id);
+				input_dev->cdev.dev = &hid->intf->dev;
+
+				hidinput->input = input_dev;
+				list_add_tail(&hidinput->list, &hid->inputs);
+			}
+
+			for (i = 0; i < report->maxfield; i++)
+				for (j = 0; j < report->field[i]->maxusage; j++)
+					hidinput_configure_usage(hidinput, report->field[i],
+								 report->field[i]->usage + j);
+
+			if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
+				/* This will leave hidinput NULL, so that it
+				 * allocates another one if we have more inputs on
+				 * the same interface. Some devices (e.g. Happ's
+				 * UGCI) cram a lot of unrelated inputs into the
+				 * same interface. */
+				hidinput->report = report;
+				input_register_device(hidinput->input);
+				hidinput = NULL;
+			}
+		}
+
+	/* This only gets called when we are a single-input (most of the
+	 * time). IOW, not a HID_QUIRK_MULTI_INPUT. The hid_ff_init() is
+	 * only useful in this case, and not for multi-input quirks. */
+	if (hidinput) {
+		hid_ff_init(hid);
+		input_register_device(hidinput->input);
+	}
+
+	return 0;
+}
+
+void hidinput_disconnect(struct hid_device *hid)
+{
+	struct hid_input *hidinput, *next;
+
+	list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
+		list_del(&hidinput->list);
+		input_unregister_device(hidinput->input);
+		kfree(hidinput);
+	}
+}

drivers/usb/input/hid-core.c

@@ -4,6 +4,7 @@
  *  Copyright (c) 1999 Andreas Gal
  *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
  *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
+ *  Copyright (c) 2006 Jiri Kosina
  */
 
 /*
@@ -32,7 +33,7 @@
 
 #include <linux/usb.h>
 
-#include "hid.h"
+#include <linux/hid.h>
 #include <linux/hiddev.h>
 
 /*
@@ -54,887 +55,6 @@ static unsigned int hid_mousepoll_interval;
 module_param_named(mousepoll, hid_mousepoll_interval, uint, 0644);
 MODULE_PARM_DESC(mousepoll, "Polling interval of mice");
 
-/*
- * Register a new report for a device.
- */
-
-static struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id)
-{
-	struct hid_report_enum *report_enum = device->report_enum + type;
-	struct hid_report *report;
-
-	if (report_enum->report_id_hash[id])
-		return report_enum->report_id_hash[id];
-
-	if (!(report = kzalloc(sizeof(struct hid_report), GFP_KERNEL)))
-		return NULL;
-
-	if (id != 0)
-		report_enum->numbered = 1;
-
-	report->id = id;
-	report->type = type;
-	report->size = 0;
-	report->device = device;
-	report_enum->report_id_hash[id] = report;
-
-	list_add_tail(&report->list, &report_enum->report_list);
-
-	return report;
-}
-
-/*
- * Register a new field for this report.
- */
-
-static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
-{
-	struct hid_field *field;
-
-	if (report->maxfield == HID_MAX_FIELDS) {
-		dbg("too many fields in report");
-		return NULL;
-	}
-
-	if (!(field = kzalloc(sizeof(struct hid_field) + usages * sizeof(struct hid_usage)
-		+ values * sizeof(unsigned), GFP_KERNEL))) return NULL;
-
-	field->index = report->maxfield++;
-	report->field[field->index] = field;
-	field->usage = (struct hid_usage *)(field + 1);
-	field->value = (unsigned *)(field->usage + usages);
-	field->report = report;
-
-	return field;
-}
-
-/*
- * Open a collection. The type/usage is pushed on the stack.
- */
-
-static int open_collection(struct hid_parser *parser, unsigned type)
-{
-	struct hid_collection *collection;
-	unsigned usage;
-
-	usage = parser->local.usage[0];
-
-	if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
-		dbg("collection stack overflow");
-		return -1;
-	}
-
-	if (parser->device->maxcollection == parser->device->collection_size) {
-		collection = kmalloc(sizeof(struct hid_collection) *
-				parser->device->collection_size * 2, GFP_KERNEL);
-		if (collection == NULL) {
-			dbg("failed to reallocate collection array");
-			return -1;
-		}
-		memcpy(collection, parser->device->collection,
-			sizeof(struct hid_collection) *
-			parser->device->collection_size);
-		memset(collection + parser->device->collection_size, 0,
-			sizeof(struct hid_collection) *
-			parser->device->collection_size);
-		kfree(parser->device->collection);
-		parser->device->collection = collection;
-		parser->device->collection_size *= 2;
-	}
-
-	parser->collection_stack[parser->collection_stack_ptr++] =
-		parser->device->maxcollection;
-
-	collection = parser->device->collection +
-		parser->device->maxcollection++;
-	collection->type = type;
-	collection->usage = usage;
-	collection->level = parser->collection_stack_ptr - 1;
-
-	if (type == HID_COLLECTION_APPLICATION)
-		parser->device->maxapplication++;
-
-	return 0;
-}
-
-/*
- * Close a collection.
- */
-
-static int close_collection(struct hid_parser *parser)
-{
-	if (!parser->collection_stack_ptr) {
-		dbg("collection stack underflow");
-		return -1;
-	}
-	parser->collection_stack_ptr--;
-	return 0;
-}
-
-/*
- * Climb up the stack, search for the specified collection type
- * and return the usage.
- */
-
-static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
-{
-	int n;
-	for (n = parser->collection_stack_ptr - 1; n >= 0; n--)
-		if (parser->device->collection[parser->collection_stack[n]].type == type)
-			return parser->device->collection[parser->collection_stack[n]].usage;
-	return 0; /* we know nothing about this usage type */
-}
-
-/*
- * Add a usage to the temporary parser table.
- */
-
-static int hid_add_usage(struct hid_parser *parser, unsigned usage)
-{
-	if (parser->local.usage_index >= HID_MAX_USAGES) {
-		dbg("usage index exceeded");
-		return -1;
-	}
-	parser->local.usage[parser->local.usage_index] = usage;
-	parser->local.collection_index[parser->local.usage_index] =
-		parser->collection_stack_ptr ?
-		parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
-	parser->local.usage_index++;
-	return 0;
-}
-
-/*
- * Register a new field for this report.
- */
-
-static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
-{
-	struct hid_report *report;
-	struct hid_field *field;
-	int usages;
-	unsigned offset;
-	int i;
-
-	if (!(report = hid_register_report(parser->device, report_type, parser->global.report_id))) {
-		dbg("hid_register_report failed");
-		return -1;
-	}
-
-	if (parser->global.logical_maximum < parser->global.logical_minimum) {
-		dbg("logical range invalid %d %d", parser->global.logical_minimum, parser->global.logical_maximum);
-		return -1;
-	}
-
-	offset = report->size;
-	report->size += parser->global.report_size * parser->global.report_count;
-
-	if (!parser->local.usage_index) /* Ignore padding fields */
-		return 0;
-
-	usages = max_t(int, parser->local.usage_index, parser->global.report_count);
-
-	if ((field = hid_register_field(report, usages, parser->global.report_count)) == NULL)
-		return 0;
-
-	field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
-	field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
-	field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
-
-	for (i = 0; i < usages; i++) {
-		int j = i;
-		/* Duplicate the last usage we parsed if we have excess values */
-		if (i >= parser->local.usage_index)
-			j = parser->local.usage_index - 1;
-		field->usage[i].hid = parser->local.usage[j];
-		field->usage[i].collection_index =
-			parser->local.collection_index[j];
-	}
-
-	field->maxusage = usages;
-	field->flags = flags;
-	field->report_offset = offset;
-	field->report_type = report_type;
-	field->report_size = parser->global.report_size;
-	field->report_count = parser->global.report_count;
-	field->logical_minimum = parser->global.logical_minimum;
-	field->logical_maximum = parser->global.logical_maximum;
-	field->physical_minimum = parser->global.physical_minimum;
-	field->physical_maximum = parser->global.physical_maximum;
-	field->unit_exponent = parser->global.unit_exponent;
-	field->unit = parser->global.unit;
-
-	return 0;
-}
-
-/*
- * Read data value from item.
- */
-
-static u32 item_udata(struct hid_item *item)
-{
-	switch (item->size) {
-		case 1: return item->data.u8;
-		case 2: return item->data.u16;
-		case 4: return item->data.u32;
-	}
-	return 0;
-}
-
-static s32 item_sdata(struct hid_item *item)
-{
-	switch (item->size) {
-		case 1: return item->data.s8;
-		case 2: return item->data.s16;
-		case 4: return item->data.s32;
-	}
-	return 0;
-}
-
-/*
- * Process a global item.
- */
-
-static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
-{
-	switch (item->tag) {
-
-		case HID_GLOBAL_ITEM_TAG_PUSH:
-
-			if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
-				dbg("global enviroment stack overflow");
-				return -1;
-			}
-
-			memcpy(parser->global_stack + parser->global_stack_ptr++,
-				&parser->global, sizeof(struct hid_global));
-			return 0;
-
-		case HID_GLOBAL_ITEM_TAG_POP:
-
-			if (!parser->global_stack_ptr) {
-				dbg("global enviroment stack underflow");
-				return -1;
-			}
-
-			memcpy(&parser->global, parser->global_stack + --parser->global_stack_ptr,
-				sizeof(struct hid_global));
-			return 0;
-
-		case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
-			parser->global.usage_page = item_udata(item);
-			return 0;
-
-		case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
-			parser->global.logical_minimum = item_sdata(item);
-			return 0;
-
-		case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
-			if (parser->global.logical_minimum < 0)
-				parser->global.logical_maximum = item_sdata(item);
-			else
-				parser->global.logical_maximum = item_udata(item);
-			return 0;
-
-		case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
-			parser->global.physical_minimum = item_sdata(item);
-			return 0;
-
-		case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
-			if (parser->global.physical_minimum < 0)
-				parser->global.physical_maximum = item_sdata(item);
-			else
-				parser->global.physical_maximum = item_udata(item);
-			return 0;
-
-		case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
-			parser->global.unit_exponent = item_sdata(item);
-			return 0;
-
-		case HID_GLOBAL_ITEM_TAG_UNIT:
-			parser->global.unit = item_udata(item);
-			return 0;
-
-		case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
-			if ((parser->global.report_size = item_udata(item)) > 32) {
-				dbg("invalid report_size %d", parser->global.report_size);
-				return -1;
-			}
-			return 0;
-
-		case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
-			if ((parser->global.report_count = item_udata(item)) > HID_MAX_USAGES) {
-				dbg("invalid report_count %d", parser->global.report_count);
-				return -1;
-			}
-			return 0;
-
-		case HID_GLOBAL_ITEM_TAG_REPORT_ID:
-			if ((parser->global.report_id = item_udata(item)) == 0) {
-				dbg("report_id 0 is invalid");
-				return -1;
-			}
-			return 0;
-
-		default:
-			dbg("unknown global tag 0x%x", item->tag);
-			return -1;
-	}
-}
-
-/*
- * Process a local item.
- */
-
-static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
-{
-	__u32 data;
-	unsigned n;
-
-	if (item->size == 0) {
-		dbg("item data expected for local item");
-		return -1;
-	}
-
-	data = item_udata(item);
-
-	switch (item->tag) {
-
-		case HID_LOCAL_ITEM_TAG_DELIMITER:
-
-			if (data) {
-				/*
-				 * We treat items before the first delimiter
-				 * as global to all usage sets (branch 0).
-				 * In the moment we process only these global
-				 * items and the first delimiter set.
-				 */
-				if (parser->local.delimiter_depth != 0) {
-					dbg("nested delimiters");
-					return -1;
-				}
-				parser->local.delimiter_depth++;
-				parser->local.delimiter_branch++;
-			} else {
-				if (parser->local.delimiter_depth < 1) {
-					dbg("bogus close delimiter");
-					return -1;
-				}
-				parser->local.delimiter_depth--;
-			}
-			return 1;
-
-		case HID_LOCAL_ITEM_TAG_USAGE:
-
-			if (parser->local.delimiter_branch > 1) {
-				dbg("alternative usage ignored");
-				return 0;
-			}
-
-			if (item->size <= 2)
-				data = (parser->global.usage_page << 16) + data;
-
-			return hid_add_usage(parser, data);
-
-		case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
-
-			if (parser->local.delimiter_branch > 1) {
-				dbg("alternative usage ignored");
-				return 0;
-			}
-
-			if (item->size <= 2)
-				data = (parser->global.usage_page << 16) + data;
-
-			parser->local.usage_minimum = data;
-			return 0;
-
-		case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
-
-			if (parser->local.delimiter_branch > 1) {
-				dbg("alternative usage ignored");
-				return 0;
-			}
-
-			if (item->size <= 2)
-				data = (parser->global.usage_page << 16) + data;
-
-			for (n = parser->local.usage_minimum; n <= data; n++)
-				if (hid_add_usage(parser, n)) {
-					dbg("hid_add_usage failed\n");
-					return -1;
-				}
-			return 0;
-
-		default:
-
-			dbg("unknown local item tag 0x%x", item->tag);
-			return 0;
-	}
-	return 0;
-}
-
-/*
- * Process a main item.
- */
-
-static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
-{
-	__u32 data;
-	int ret;
-
-	data = item_udata(item);
-
-	switch (item->tag) {
-		case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
-			ret = open_collection(parser, data & 0xff);
-			break;
-		case HID_MAIN_ITEM_TAG_END_COLLECTION:
-			ret = close_collection(parser);
-			break;
-		case HID_MAIN_ITEM_TAG_INPUT:
-			ret = hid_add_field(parser, HID_INPUT_REPORT, data);
-			break;
-		case HID_MAIN_ITEM_TAG_OUTPUT:
-			ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
-			break;
-		case HID_MAIN_ITEM_TAG_FEATURE:
-			ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
-			break;
-		default:
-			dbg("unknown main item tag 0x%x", item->tag);
-			ret = 0;
-	}
-
-	memset(&parser->local, 0, sizeof(parser->local));	/* Reset the local parser environment */
-
-	return ret;
-}
-
-/*
- * Process a reserved item.
- */
-
-static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
-{
-	dbg("reserved item type, tag 0x%x", item->tag);
-	return 0;
-}
-
-/*
- * Free a report and all registered fields. The field->usage and
- * field->value table's are allocated behind the field, so we need
- * only to free(field) itself.
- */
-
-static void hid_free_report(struct hid_report *report)
-{
-	unsigned n;
-
-	for (n = 0; n < report->maxfield; n++)
-		kfree(report->field[n]);
-	kfree(report);
-}
-
-/*
- * Free a device structure, all reports, and all fields.
- */
-
-static void hid_free_device(struct hid_device *device)
-{
-	unsigned i,j;
-
-	for (i = 0; i < HID_REPORT_TYPES; i++) {
-		struct hid_report_enum *report_enum = device->report_enum + i;
-
-		for (j = 0; j < 256; j++) {
-			struct hid_report *report = report_enum->report_id_hash[j];
-			if (report)
-				hid_free_report(report);
-		}
-	}
-
-	kfree(device->rdesc);
-	kfree(device);
-}
-
-/*
- * Fetch a report description item from the data stream. We support long
- * items, though they are not used yet.
- */
-
-static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
-{
-	u8 b;
-
-	if ((end - start) <= 0)
-		return NULL;
-
-	b = *start++;
-
-	item->type = (b >> 2) & 3;
-	item->tag  = (b >> 4) & 15;
-
-	if (item->tag == HID_ITEM_TAG_LONG) {
-
-		item->format = HID_ITEM_FORMAT_LONG;
-
-		if ((end - start) < 2)
-			return NULL;
-
-		item->size = *start++;
-		item->tag  = *start++;
-
-		if ((end - start) < item->size)
-			return NULL;
-
-		item->data.longdata = start;
-		start += item->size;
-		return start;
-	}
-
-	item->format = HID_ITEM_FORMAT_SHORT;
-	item->size = b & 3;
-
-	switch (item->size) {
-
-		case 0:
-			return start;
-
-		case 1:
-			if ((end - start) < 1)
-				return NULL;
-			item->data.u8 = *start++;
-			return start;
-
-		case 2:
-			if ((end - start) < 2)
-				return NULL;
-			item->data.u16 = le16_to_cpu(get_unaligned((__le16*)start));
-			start = (__u8 *)((__le16 *)start + 1);
-			return start;
-
-		case 3:
-			item->size++;
-			if ((end - start) < 4)
-				return NULL;
-			item->data.u32 = le32_to_cpu(get_unaligned((__le32*)start));
-			start = (__u8 *)((__le32 *)start + 1);
-			return start;
-	}
-
-	return NULL;
-}
-
-/*
- * Parse a report description into a hid_device structure. Reports are
- * enumerated, fields are attached to these reports.
- */
-
-static struct hid_device *hid_parse_report(__u8 *start, unsigned size)
-{
-	struct hid_device *device;
-	struct hid_parser *parser;
-	struct hid_item item;
-	__u8 *end;
-	unsigned i;
-	static int (*dispatch_type[])(struct hid_parser *parser,
-				      struct hid_item *item) = {
-		hid_parser_main,
-		hid_parser_global,
-		hid_parser_local,
-		hid_parser_reserved
-	};
-
-	if (!(device = kzalloc(sizeof(struct hid_device), GFP_KERNEL)))
-		return NULL;
-
-	if (!(device->collection = kzalloc(sizeof(struct hid_collection) *
-				   HID_DEFAULT_NUM_COLLECTIONS, GFP_KERNEL))) {
-		kfree(device);
-		return NULL;
-	}
-	device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
-
-	for (i = 0; i < HID_REPORT_TYPES; i++)
-		INIT_LIST_HEAD(&device->report_enum[i].report_list);
-
-	if (!(device->rdesc = (__u8 *)kmalloc(size, GFP_KERNEL))) {
-		kfree(device->collection);
-		kfree(device);
-		return NULL;
-	}
-	memcpy(device->rdesc, start, size);
-	device->rsize = size;
-
-	if (!(parser = kzalloc(sizeof(struct hid_parser), GFP_KERNEL))) {
-		kfree(device->rdesc);
-		kfree(device->collection);
-		kfree(device);
-		return NULL;
-	}
-	parser->device = device;
-
-	end = start + size;
-	while ((start = fetch_item(start, end, &item)) != NULL) {
-
-		if (item.format != HID_ITEM_FORMAT_SHORT) {
-			dbg("unexpected long global item");
-			kfree(device->collection);
-			hid_free_device(device);
-			kfree(parser);
-			return NULL;
-		}
-
-		if (dispatch_type[item.type](parser, &item)) {
-			dbg("item %u %u %u %u parsing failed\n",
-				item.format, (unsigned)item.size, (unsigned)item.type, (unsigned)item.tag);
-			kfree(device->collection);
-			hid_free_device(device);
-			kfree(parser);
-			return NULL;
-		}
-
-		if (start == end) {
-			if (parser->collection_stack_ptr) {
-				dbg("unbalanced collection at end of report description");
-				kfree(device->collection);
-				hid_free_device(device);
-				kfree(parser);
-				return NULL;
-			}
-			if (parser->local.delimiter_depth) {
-				dbg("unbalanced delimiter at end of report description");
-				kfree(device->collection);
-				hid_free_device(device);
-				kfree(parser);
-				return NULL;
-			}
-			kfree(parser);
-			return device;
-		}
-	}
-
-	dbg("item fetching failed at offset %d\n", (int)(end - start));
-	kfree(device->collection);
-	hid_free_device(device);
-	kfree(parser);
-	return NULL;
-}
-
-/*
- * Convert a signed n-bit integer to signed 32-bit integer. Common
- * cases are done through the compiler, the screwed things has to be
- * done by hand.
- */
-
-static s32 snto32(__u32 value, unsigned n)
-{
-	switch (n) {
-		case 8:  return ((__s8)value);
-		case 16: return ((__s16)value);
-		case 32: return ((__s32)value);
-	}
-	return value & (1 << (n - 1)) ? value | (-1 << n) : value;
-}
-
-/*
- * Convert a signed 32-bit integer to a signed n-bit integer.
- */
-
-static u32 s32ton(__s32 value, unsigned n)
-{
-	s32 a = value >> (n - 1);
-	if (a && a != -1)
-		return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
-	return value & ((1 << n) - 1);
-}
-
-/*
- * Extract/implement a data field from/to a little endian report (bit array).
- *
- * Code sort-of follows HID spec:
- *     http://www.usb.org/developers/devclass_docs/HID1_11.pdf
- *
- * While the USB HID spec allows unlimited length bit fields in "report
- * descriptors", most devices never use more than 16 bits.
- * One model of UPS is claimed to report "LINEV" as a 32-bit field.
- * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
- */
-
-static __inline__ __u32 extract(__u8 *report, unsigned offset, unsigned n)
-{
-	u64 x;
-
-	WARN_ON(n > 32);
-
-	report += offset >> 3;  /* adjust byte index */
-	offset &= 7;		/* now only need bit offset into one byte */
-	x = get_unaligned((u64 *) report);
-	x = le64_to_cpu(x);
-	x = (x >> offset) & ((1ULL << n) - 1);	/* extract bit field */
-	return (u32) x;
-}
-
-/*
- * "implement" : set bits in a little endian bit stream.
- * Same concepts as "extract" (see comments above).
- * The data mangled in the bit stream remains in little endian
- * order the whole time. It make more sense to talk about
- * endianness of register values by considering a register
- * a "cached" copy of the little endiad bit stream.
- */
-static __inline__ void implement(__u8 *report, unsigned offset, unsigned n, __u32 value)
-{
-	u64 x;
-	u64 m = (1ULL << n) - 1;
-
-	WARN_ON(n > 32);
-
-	WARN_ON(value > m);
-	value &= m;
-
-	report += offset >> 3;
-	offset &= 7;
-
-	x = get_unaligned((u64 *)report);
-	x &= cpu_to_le64(~(m << offset));
-	x |= cpu_to_le64(((u64) value) << offset);
-	put_unaligned(x, (u64 *) report);
-}
-
-/*
- * Search an array for a value.
- */
-
-static __inline__ int search(__s32 *array, __s32 value, unsigned n)
-{
-	while (n--) {
-		if (*array++ == value)
-			return 0;
-	}
-	return -1;
-}
-
-static void hid_process_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value, int interrupt)
-{
-	hid_dump_input(usage, value);
-	if (hid->claimed & HID_CLAIMED_INPUT)
-		hidinput_hid_event(hid, field, usage, value);
-	if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt)
-		hiddev_hid_event(hid, field, usage, value);
-}
-
-/*
- * Analyse a received field, and fetch the data from it. The field
- * content is stored for next report processing (we do differential
- * reporting to the layer).
- */
-
-static void hid_input_field(struct hid_device *hid, struct hid_field *field, __u8 *data, int interrupt)
-{
-	unsigned n;
-	unsigned count = field->report_count;
-	unsigned offset = field->report_offset;
-	unsigned size = field->report_size;
-	__s32 min = field->logical_minimum;
-	__s32 max = field->logical_maximum;
-	__s32 *value;
-
-	if (!(value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC)))
-		return;
-
-	for (n = 0; n < count; n++) {
-
-			value[n] = min < 0 ? snto32(extract(data, offset + n * size, size), size) :
-						    extract(data, offset + n * size, size);
-
-			if (!(field->flags & HID_MAIN_ITEM_VARIABLE) /* Ignore report if ErrorRollOver */
-			    && value[n] >= min && value[n] <= max
-			    && field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
-				goto exit;
-	}
-
-	for (n = 0; n < count; n++) {
-
-		if (HID_MAIN_ITEM_VARIABLE & field->flags) {
-			hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
-			continue;
-		}
-
-		if (field->value[n] >= min && field->value[n] <= max
-			&& field->usage[field->value[n] - min].hid
-			&& search(value, field->value[n], count))
-				hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
-
-		if (value[n] >= min && value[n] <= max
-			&& field->usage[value[n] - min].hid
-			&& search(field->value, value[n], count))
-				hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
-	}
-
-	memcpy(field->value, value, count * sizeof(__s32));
-exit:
-	kfree(value);
-}
-
-static int hid_input_report(int type, struct urb *urb, int interrupt)
-{
-	struct hid_device *hid = urb->context;
-	struct hid_report_enum *report_enum = hid->report_enum + type;
-	u8 *data = urb->transfer_buffer;
-	int len = urb->actual_length;
-	struct hid_report *report;
-	int n, size;
-
-	if (!len) {
-		dbg("empty report");
-		return -1;
-	}
-
-#ifdef DEBUG_DATA
-	printk(KERN_DEBUG __FILE__ ": report (size %u) (%snumbered)\n", len, report_enum->numbered ? "" : "un");
-#endif
-
-	n = 0;				/* Normally report number is 0 */
-	if (report_enum->numbered) {	/* Device uses numbered reports, data[0] is report number */
-		n = *data++;
-		len--;
-	}
-
-#ifdef DEBUG_DATA
-	{
-		int i;
-		printk(KERN_DEBUG __FILE__ ": report %d (size %u) = ", n, len);
-		for (i = 0; i < len; i++)
-			printk(" %02x", data[i]);
-		printk("\n");
-	}
-#endif
-
-	if (!(report = report_enum->report_id_hash[n])) {
-		dbg("undefined report_id %d received", n);
-		return -1;
-	}
-
-	size = ((report->size - 1) >> 3) + 1;
-
-	if (len < size) {
-		dbg("report %d is too short, (%d < %d)", report->id, len, size);
-		memset(data + len, 0, size - len);
-	}
-
-	if (hid->claimed & HID_CLAIMED_HIDDEV)
-		hiddev_report_event(hid, report);
-
-	for (n = 0; n < report->maxfield; n++)
-		hid_input_field(hid, report->field[n], data, interrupt);
-
-	if (hid->claimed & HID_CLAIMED_INPUT)
-		hidinput_report_event(hid, report);
-
-	return 0;
-}
-
 /*
  * Input submission and I/O error handler.
  */
@@ -1044,6 +164,65 @@ done:
 	spin_unlock_irqrestore(&hid->inlock, flags);
 }
 
+
+static int hid_input_report(int type, struct urb *urb, int interrupt)
+{
+	struct hid_device *hid = urb->context;
+	struct hid_report_enum *report_enum = hid->report_enum + type;
+	u8 *data = urb->transfer_buffer;
+	int len = urb->actual_length;
+	struct hid_report *report;
+	int n, size;
+
+	if (!len) {
+		dbg("empty report");
+		return -1;
+	}
+
+#ifdef DEBUG_DATA
+	printk(KERN_DEBUG __FILE__ ": report (size %u) (%snumbered)\n", len, report_enum->numbered ? "" : "un");
+#endif
+
+	n = 0;                          /* Normally report number is 0 */
+	if (report_enum->numbered) {    /* Device uses numbered reports, data[0] is report number */
+		n = *data++;
+		len--;
+	}
+
+#ifdef DEBUG_DATA
+	{
+		int i;
+		printk(KERN_DEBUG __FILE__ ": report %d (size %u) = ", n, len);
+		for (i = 0; i < len; i++)
+			printk(" %02x", data[i]);
+		printk("\n");
+	}
+#endif
+
+	if (!(report = report_enum->report_id_hash[n])) {
+		dbg("undefined report_id %d received", n);
+		return -1;
+	}
+
+	size = ((report->size - 1) >> 3) + 1;
+
+	if (len < size) {
+		dbg("report %d is too short, (%d < %d)", report->id, len, size);
+		memset(data + len, 0, size - len);
+	}
+
+	if (hid->claimed & HID_CLAIMED_HIDDEV)
+		hiddev_report_event(hid, report);
+
+	for (n = 0; n < report->maxfield; n++)
+		hid_input_field(hid, report->field[n], data, interrupt);
+
+	if (hid->claimed & HID_CLAIMED_INPUT)
+		hidinput_report_event(hid, report);
+
+	return 0;
+}
+
 /*
  * Input interrupt completion handler.
  */
@@ -1092,67 +271,6 @@ static void hid_irq_in(struct urb *urb)
 	}
 }
 
-/*
- * Output the field into the report.
- */
-
-static void hid_output_field(struct hid_field *field, __u8 *data)
-{
-	unsigned count = field->report_count;
-	unsigned offset = field->report_offset;
-	unsigned size = field->report_size;
-	unsigned n;
-
-	for (n = 0; n < count; n++) {
-		if (field->logical_minimum < 0)	/* signed values */
-			implement(data, offset + n * size, size, s32ton(field->value[n], size));
-		else				/* unsigned values */
-			implement(data, offset + n * size, size, field->value[n]);
-	}
-}
-
-/*
- * Create a report.
- */
-
-static void hid_output_report(struct hid_report *report, __u8 *data)
-{
-	unsigned n;
-
-	if (report->id > 0)
-		*data++ = report->id;
-
-	for (n = 0; n < report->maxfield; n++)
-		hid_output_field(report->field[n], data);
-}
-
-/*
- * Set a field value. The report this field belongs to has to be
- * created and transferred to the device, to set this value in the
- * device.
- */
-
-int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
-{
-	unsigned size = field->report_size;
-
-	hid_dump_input(field->usage + offset, value);
-
-	if (offset >= field->report_count) {
-		dbg("offset (%d) exceeds report_count (%d)", offset, field->report_count);
-		hid_dump_field(field, 8);
-		return -1;
-	}
-	if (field->logical_minimum < 0) {
-		if (value != snto32(s32ton(value, size), size)) {
-			dbg("value %d is out of range", value);
-			return -1;
-		}
-	}
-	field->value[offset] = value;
-	return 0;
-}
-
 /*
  * Find a report field with a specified HID usage.
  */
@@ -1379,6 +497,29 @@ void hid_submit_report(struct hid_device *hid, struct hid_report *report, unsign
 	spin_unlock_irqrestore(&hid->ctrllock, flags);
 }
 
+static int hidinput_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
+{
+	struct hid_device *hid = dev->private;
+	struct hid_field *field;
+	int offset;
+
+	if (type == EV_FF)
+		return input_ff_event(dev, type, code, value);
+
+	if (type != EV_LED)
+		return -1;
+
+	if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) {
+		warn("event field not found");
+		return -1;
+	}
+
+	hid_set_field(field, offset, value);
+	hid_submit_report(hid, field->report, USB_DIR_OUT);
+
+	return 0;
+}
+
 int hid_wait_io(struct hid_device *hid)
 {
 	if (!wait_event_timeout(hid->wait, (!test_bit(HID_CTRL_RUNNING, &hid->iofl) &&
@@ -1428,6 +569,18 @@ void hid_close(struct hid_device *hid)
 		usb_kill_urb(hid->urbin);
 }
 
+static int hidinput_open(struct input_dev *dev)
+{
+	struct hid_device *hid = dev->private;
+	return hid_open(hid);
+}
+
+static void hidinput_close(struct input_dev *dev)
+{
+	struct hid_device *hid = dev->private;
+	hid_close(hid);
+}
+
 #define USB_VENDOR_ID_PANJIT		0x134c
 
 #define USB_VENDOR_ID_TURBOX		0x062a

drivers/usb/input/hid-ff.c

@@ -32,7 +32,7 @@
 #undef DEBUG
 #include <linux/usb.h>
 
-#include "hid.h"
+#include <linux/hid.h>
 
 /*
  * This table contains pointers to initializers. To add support for new

drivers/usb/input/hid-input.c

@@ -4,6 +4,7 @@
  *  Copyright (c) 2000-2001 Vojtech Pavlik
  *
  *  USB HID to Linux Input mapping
+ *
  */
 
 /*
@@ -26,847 +27,4 @@
  * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
  */
 
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/kernel.h>
-#include <linux/usb/input.h>
-
-#undef DEBUG
-
-#include "hid.h"
-
-#define unk	KEY_UNKNOWN
-
-static const unsigned char hid_keyboard[256] = {
-	  0,  0,  0,  0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
-	 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44,  2,  3,
-	  4,  5,  6,  7,  8,  9, 10, 11, 28,  1, 14, 15, 57, 12, 13, 26,
-	 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
-	 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
-	105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
-	 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
-	191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
-	115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk,
-	122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
-	unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
-	unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
-	unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
-	unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
-	 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
-	150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk
-};
-
-static const struct {
-	__s32 x;
-	__s32 y;
-}  hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
-
-#define map_abs(c)	do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0)
-#define map_rel(c)	do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0)
-#define map_key(c)	do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0)
-#define map_led(c)	do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0)
-
-#define map_abs_clear(c)	do { map_abs(c); clear_bit(c, bit); } while (0)
-#define map_key_clear(c)	do { map_key(c); clear_bit(c, bit); } while (0)
-
-#ifdef CONFIG_USB_HIDINPUT_POWERBOOK
-
-struct hidinput_key_translation {
-	u16 from;
-	u16 to;
-	u8 flags;
-};
-
-#define POWERBOOK_FLAG_FKEY 0x01
-
-static struct hidinput_key_translation powerbook_fn_keys[] = {
-	{ KEY_BACKSPACE, KEY_DELETE },
-	{ KEY_F1,	KEY_BRIGHTNESSDOWN,	POWERBOOK_FLAG_FKEY },
-	{ KEY_F2,	KEY_BRIGHTNESSUP,	POWERBOOK_FLAG_FKEY },
-	{ KEY_F3,	KEY_MUTE,		POWERBOOK_FLAG_FKEY },
-	{ KEY_F4,	KEY_VOLUMEDOWN,		POWERBOOK_FLAG_FKEY },
-	{ KEY_F5,	KEY_VOLUMEUP,		POWERBOOK_FLAG_FKEY },
-	{ KEY_F6,	KEY_NUMLOCK,		POWERBOOK_FLAG_FKEY },
-	{ KEY_F7,	KEY_SWITCHVIDEOMODE,	POWERBOOK_FLAG_FKEY },
-	{ KEY_F8,	KEY_KBDILLUMTOGGLE,	POWERBOOK_FLAG_FKEY },
-	{ KEY_F9,	KEY_KBDILLUMDOWN,	POWERBOOK_FLAG_FKEY },
-	{ KEY_F10,	KEY_KBDILLUMUP,		POWERBOOK_FLAG_FKEY },
-	{ KEY_UP,	KEY_PAGEUP },
-	{ KEY_DOWN,	KEY_PAGEDOWN },
-	{ KEY_LEFT,	KEY_HOME },
-	{ KEY_RIGHT,	KEY_END },
-	{ }
-};
-
-static struct hidinput_key_translation powerbook_numlock_keys[] = {
-	{ KEY_J,	KEY_KP1 },
-	{ KEY_K,	KEY_KP2 },
-	{ KEY_L,	KEY_KP3 },
-	{ KEY_U,	KEY_KP4 },
-	{ KEY_I,	KEY_KP5 },
-	{ KEY_O,	KEY_KP6 },
-	{ KEY_7,	KEY_KP7 },
-	{ KEY_8,	KEY_KP8 },
-	{ KEY_9,	KEY_KP9 },
-	{ KEY_M,	KEY_KP0 },
-	{ KEY_DOT,	KEY_KPDOT },
-	{ KEY_SLASH,	KEY_KPPLUS },
-	{ KEY_SEMICOLON, KEY_KPMINUS },
-	{ KEY_P,	KEY_KPASTERISK },
-	{ KEY_MINUS,	KEY_KPEQUAL },
-	{ KEY_0,	KEY_KPSLASH },
-	{ KEY_F6,	KEY_NUMLOCK },
-	{ KEY_KPENTER,	KEY_KPENTER },
-	{ KEY_BACKSPACE, KEY_BACKSPACE },
-	{ }
-};
-
-static struct hidinput_key_translation powerbook_iso_keyboard[] = {
-	{ KEY_GRAVE,    KEY_102ND },
-	{ KEY_102ND,    KEY_GRAVE },
-	{ }
-};
-
-static int usbhid_pb_fnmode = 1;
-module_param_named(pb_fnmode, usbhid_pb_fnmode, int, 0644);
-MODULE_PARM_DESC(pb_fnmode,
-	"Mode of fn key on PowerBooks (0 = disabled, 1 = fkeyslast, 2 = fkeysfirst)");
-
-static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from)
-{
-	struct hidinput_key_translation *trans;
-
-	/* Look for the translation */
-	for (trans = table; trans->from; trans++)
-		if (trans->from == from)
-			return trans;
-
-	return NULL;
-}
-
-static int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
-			     struct hid_usage *usage, __s32 value)
-{
-	struct hidinput_key_translation *trans;
-
-	if (usage->code == KEY_FN) {
-		if (value) hid->quirks |=  HID_QUIRK_POWERBOOK_FN_ON;
-		else       hid->quirks &= ~HID_QUIRK_POWERBOOK_FN_ON;
-
-		input_event(input, usage->type, usage->code, value);
-
-		return 1;
-	}
-
-	if (usbhid_pb_fnmode) {
-		int do_translate;
-
-		trans = find_translation(powerbook_fn_keys, usage->code);
-		if (trans) {
-			if (test_bit(usage->code, hid->pb_pressed_fn))
-				do_translate = 1;
-			else if (trans->flags & POWERBOOK_FLAG_FKEY)
-				do_translate =
-					(usbhid_pb_fnmode == 2 &&  (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON)) ||
-					(usbhid_pb_fnmode == 1 && !(hid->quirks & HID_QUIRK_POWERBOOK_FN_ON));
-			else
-				do_translate = (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON);
-
-			if (do_translate) {
-				if (value)
-					set_bit(usage->code, hid->pb_pressed_fn);
-				else
-					clear_bit(usage->code, hid->pb_pressed_fn);
-
-				input_event(input, usage->type, trans->to, value);
-
-				return 1;
-			}
-		}
-
-		if (test_bit(usage->code, hid->pb_pressed_numlock) ||
-		    test_bit(LED_NUML, input->led)) {
-			trans = find_translation(powerbook_numlock_keys, usage->code);
-
-			if (trans) {
-				if (value)
-					set_bit(usage->code, hid->pb_pressed_numlock);
-				else
-					clear_bit(usage->code, hid->pb_pressed_numlock);
-
-				input_event(input, usage->type, trans->to, value);
-			}
-
-			return 1;
-		}
-	}
-
-	if (hid->quirks & HID_QUIRK_POWERBOOK_ISO_KEYBOARD) {
-		trans = find_translation(powerbook_iso_keyboard, usage->code);
-		if (trans) {
-			input_event(input, usage->type, trans->to, value);
-			return 1;
-		}
-	}
-
-	return 0;
-}
-
-static void hidinput_pb_setup(struct input_dev *input)
-{
-	struct hidinput_key_translation *trans;
-
-	set_bit(KEY_NUMLOCK, input->keybit);
-
-	/* Enable all needed keys */
-	for (trans = powerbook_fn_keys; trans->from; trans++)
-		set_bit(trans->to, input->keybit);
-
-	for (trans = powerbook_numlock_keys; trans->from; trans++)
-		set_bit(trans->to, input->keybit);
-
-	for (trans = powerbook_iso_keyboard; trans->from; trans++)
-		set_bit(trans->to, input->keybit);
-}
-#else
-static inline int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
-				    struct hid_usage *usage, __s32 value)
-{
-	return 0;
-}
-
-static inline void hidinput_pb_setup(struct input_dev *input)
-{
-}
-#endif
-
-static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
-				     struct hid_usage *usage)
-{
-	struct input_dev *input = hidinput->input;
-	struct hid_device *device = input->private;
-	int max = 0, code;
-	unsigned long *bit = NULL;
-
-	field->hidinput = hidinput;
-
-#ifdef DEBUG
-	printk(KERN_DEBUG "Mapping: ");
-	resolv_usage(usage->hid);
-	printk(" ---> ");
-#endif
-
-	if (field->flags & HID_MAIN_ITEM_CONSTANT)
-		goto ignore;
-
-	switch (usage->hid & HID_USAGE_PAGE) {
-
-		case HID_UP_UNDEFINED:
-			goto ignore;
-
-		case HID_UP_KEYBOARD:
-
-			set_bit(EV_REP, input->evbit);
-
-			if ((usage->hid & HID_USAGE) < 256) {
-				if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
-				map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
-			} else
-				map_key(KEY_UNKNOWN);
-
-			break;
-
-		case HID_UP_BUTTON:
-
-			code = ((usage->hid - 1) & 0xf);
-
-			switch (field->application) {
-				case HID_GD_MOUSE:
-				case HID_GD_POINTER:  code += 0x110; break;
-				case HID_GD_JOYSTICK: code += 0x120; break;
-				case HID_GD_GAMEPAD:  code += 0x130; break;
-				default:
-					switch (field->physical) {
-						case HID_GD_MOUSE:
-						case HID_GD_POINTER:  code += 0x110; break;
-						case HID_GD_JOYSTICK: code += 0x120; break;
-						case HID_GD_GAMEPAD:  code += 0x130; break;
-						default:              code += 0x100;
-					}
-			}
-
-			map_key(code);
-			break;
-
-
-		case HID_UP_SIMULATION:
-
-			switch (usage->hid & 0xffff) {
-				case 0xba: map_abs(ABS_RUDDER);   break;
-				case 0xbb: map_abs(ABS_THROTTLE); break;
-				case 0xc4: map_abs(ABS_GAS);      break;
-				case 0xc5: map_abs(ABS_BRAKE);    break;
-				case 0xc8: map_abs(ABS_WHEEL);    break;
-				default:   goto ignore;
-			}
-			break;
-
-		case HID_UP_GENDESK:
-
-			if ((usage->hid & 0xf0) == 0x80) {	/* SystemControl */
-				switch (usage->hid & 0xf) {
-					case 0x1: map_key_clear(KEY_POWER);  break;
-					case 0x2: map_key_clear(KEY_SLEEP);  break;
-					case 0x3: map_key_clear(KEY_WAKEUP); break;
-					default: goto unknown;
-				}
-				break;
-			}
-
-			if ((usage->hid & 0xf0) == 0x90) {	/* D-pad */
-				switch (usage->hid) {
-					case HID_GD_UP:	   usage->hat_dir = 1; break;
-					case HID_GD_DOWN:  usage->hat_dir = 5; break;
-					case HID_GD_RIGHT: usage->hat_dir = 3; break;
-					case HID_GD_LEFT:  usage->hat_dir = 7; break;
-					default: goto unknown;
-				}
-				if (field->dpad) {
-					map_abs(field->dpad);
-					goto ignore;
-				}
-				map_abs(ABS_HAT0X);
-				break;
-			}
-
-			switch (usage->hid) {
-
-				/* These usage IDs map directly to the usage codes. */
-				case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
-				case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
-				case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
-					if (field->flags & HID_MAIN_ITEM_RELATIVE)
-						map_rel(usage->hid & 0xf);
-					else
-						map_abs(usage->hid & 0xf);
-					break;
-
-				case HID_GD_HATSWITCH:
-					usage->hat_min = field->logical_minimum;
-					usage->hat_max = field->logical_maximum;
-					map_abs(ABS_HAT0X);
-					break;
-
-				case HID_GD_START:	map_key_clear(BTN_START);	break;
-				case HID_GD_SELECT:	map_key_clear(BTN_SELECT);	break;
-
-				default: goto unknown;
-			}
-
-			break;
-
-		case HID_UP_LED:
-			if (((usage->hid - 1) & 0xffff) >= LED_MAX)
-				goto ignore;
-			map_led((usage->hid - 1) & 0xffff);
-			break;
-
-		case HID_UP_DIGITIZER:
-
-			switch (usage->hid & 0xff) {
-
-				case 0x30: /* TipPressure */
-					if (!test_bit(BTN_TOUCH, input->keybit)) {
-						device->quirks |= HID_QUIRK_NOTOUCH;
-						set_bit(EV_KEY, input->evbit);
-						set_bit(BTN_TOUCH, input->keybit);
-					}
-
-					map_abs_clear(ABS_PRESSURE);
-					break;
-
-				case 0x32: /* InRange */
-					switch (field->physical & 0xff) {
-						case 0x21: map_key(BTN_TOOL_MOUSE); break;
-						case 0x22: map_key(BTN_TOOL_FINGER); break;
-						default: map_key(BTN_TOOL_PEN); break;
-					}
-					break;
-
-				case 0x3c: /* Invert */
-					map_key_clear(BTN_TOOL_RUBBER);
-					break;
-
-				case 0x33: /* Touch */
-				case 0x42: /* TipSwitch */
-				case 0x43: /* TipSwitch2 */
-					device->quirks &= ~HID_QUIRK_NOTOUCH;
-					map_key_clear(BTN_TOUCH);
-					break;
-
-				case 0x44: /* BarrelSwitch */
-					map_key_clear(BTN_STYLUS);
-					break;
-
-				default:  goto unknown;
-			}
-			break;
-
-		case HID_UP_CONSUMER:	/* USB HUT v1.1, pages 56-62 */
-
-			switch (usage->hid & HID_USAGE) {
-				case 0x000: goto ignore;
-				case 0x034: map_key_clear(KEY_SLEEP);		break;
-				case 0x036: map_key_clear(BTN_MISC);		break;
-				case 0x045: map_key_clear(KEY_RADIO);		break;
-				case 0x08a: map_key_clear(KEY_WWW);		break;
-				case 0x08d: map_key_clear(KEY_PROGRAM);		break;
-				case 0x095: map_key_clear(KEY_HELP);		break;
-				case 0x09c: map_key_clear(KEY_CHANNELUP);	break;
-				case 0x09d: map_key_clear(KEY_CHANNELDOWN);	break;
-				case 0x0b0: map_key_clear(KEY_PLAY);		break;
-				case 0x0b1: map_key_clear(KEY_PAUSE);		break;
-				case 0x0b2: map_key_clear(KEY_RECORD);		break;
-				case 0x0b3: map_key_clear(KEY_FASTFORWARD);	break;
-				case 0x0b4: map_key_clear(KEY_REWIND);		break;
-				case 0x0b5: map_key_clear(KEY_NEXTSONG);	break;
-				case 0x0b6: map_key_clear(KEY_PREVIOUSSONG);	break;
-				case 0x0b7: map_key_clear(KEY_STOPCD);		break;
-				case 0x0b8: map_key_clear(KEY_EJECTCD);		break;
-				case 0x0cd: map_key_clear(KEY_PLAYPAUSE);	break;
-			        case 0x0e0: map_abs_clear(ABS_VOLUME);		break;
-				case 0x0e2: map_key_clear(KEY_MUTE);		break;
-				case 0x0e5: map_key_clear(KEY_BASSBOOST);	break;
-				case 0x0e9: map_key_clear(KEY_VOLUMEUP);	break;
-				case 0x0ea: map_key_clear(KEY_VOLUMEDOWN);	break;
-				case 0x183: map_key_clear(KEY_CONFIG);		break;
-				case 0x18a: map_key_clear(KEY_MAIL);		break;
-				case 0x192: map_key_clear(KEY_CALC);		break;
-				case 0x194: map_key_clear(KEY_FILE);		break;
-				case 0x1a7: map_key_clear(KEY_DOCUMENTS);	break;
-				case 0x201: map_key_clear(KEY_NEW);		break;
-				case 0x207: map_key_clear(KEY_SAVE);		break;
-				case 0x208: map_key_clear(KEY_PRINT);		break;
-				case 0x209: map_key_clear(KEY_PROPS);		break;
-				case 0x21a: map_key_clear(KEY_UNDO);		break;
-				case 0x21b: map_key_clear(KEY_COPY);		break;
-				case 0x21c: map_key_clear(KEY_CUT);		break;
-				case 0x21d: map_key_clear(KEY_PASTE);		break;
-				case 0x221: map_key_clear(KEY_FIND);		break;
-				case 0x223: map_key_clear(KEY_HOMEPAGE);	break;
-				case 0x224: map_key_clear(KEY_BACK);		break;
-				case 0x225: map_key_clear(KEY_FORWARD);		break;
-				case 0x226: map_key_clear(KEY_STOP);		break;
-				case 0x227: map_key_clear(KEY_REFRESH);		break;
-				case 0x22a: map_key_clear(KEY_BOOKMARKS);	break;
-				case 0x233: map_key_clear(KEY_SCROLLUP);	break;
-				case 0x234: map_key_clear(KEY_SCROLLDOWN);	break;
-				case 0x238: map_rel(REL_HWHEEL);		break;
-				case 0x279: map_key_clear(KEY_REDO);		break;
-				case 0x289: map_key_clear(KEY_REPLY);		break;
-				case 0x28b: map_key_clear(KEY_FORWARDMAIL);	break;
-				case 0x28c: map_key_clear(KEY_SEND);		break;
-
-				/* Reported on a Cherry Cymotion keyboard */
-				case 0x301: map_key_clear(KEY_PROG1);		break;
-				case 0x302: map_key_clear(KEY_PROG2);		break;
-				case 0x303: map_key_clear(KEY_PROG3);		break;
-
-				default:    goto ignore;
-			}
-			break;
-
-		case HID_UP_HPVENDOR:	/* Reported on a Dutch layout HP5308 */
-
-			set_bit(EV_REP, input->evbit);
-			switch (usage->hid & HID_USAGE) {
-			        case 0x021: map_key_clear(KEY_PRINT);           break;
-				case 0x070: map_key_clear(KEY_HP);		break;
-				case 0x071: map_key_clear(KEY_CAMERA);		break;
-				case 0x072: map_key_clear(KEY_SOUND);		break;
-				case 0x073: map_key_clear(KEY_QUESTION);	break;
-				case 0x080: map_key_clear(KEY_EMAIL);		break;
-				case 0x081: map_key_clear(KEY_CHAT);		break;
-				case 0x082: map_key_clear(KEY_SEARCH);		break;
-				case 0x083: map_key_clear(KEY_CONNECT);	        break;
-				case 0x084: map_key_clear(KEY_FINANCE);		break;
-				case 0x085: map_key_clear(KEY_SPORT);		break;
-				case 0x086: map_key_clear(KEY_SHOP);	        break;
-				default:    goto ignore;
-			}
-			break;
-
-		case HID_UP_MSVENDOR:
-			goto ignore;
-
-		case HID_UP_CUSTOM: /* Reported on Logitech and Powerbook USB keyboards */
-
-			set_bit(EV_REP, input->evbit);
-			switch(usage->hid & HID_USAGE) {
-				case 0x003:
-					/* The fn key on Apple PowerBooks */
-					map_key_clear(KEY_FN);
-					hidinput_pb_setup(input);
-					break;
-
-				default:    goto ignore;
-			}
-			break;
-
-		case HID_UP_LOGIVENDOR: /* Reported on Logitech Ultra X Media Remote */
-
-			set_bit(EV_REP, input->evbit);
-			switch(usage->hid & HID_USAGE) {
-				case 0x004: map_key_clear(KEY_AGAIN);		break;
-				case 0x00d: map_key_clear(KEY_HOME);		break;
-				case 0x024: map_key_clear(KEY_SHUFFLE);		break;
-				case 0x025: map_key_clear(KEY_TV);		break;
-				case 0x026: map_key_clear(KEY_MENU);		break;
-				case 0x031: map_key_clear(KEY_AUDIO);		break;
-				case 0x032: map_key_clear(KEY_TEXT);		break;
-				case 0x033: map_key_clear(KEY_LAST);		break;
-				case 0x047: map_key_clear(KEY_MP3);		break;
-				case 0x048: map_key_clear(KEY_DVD);		break;
-				case 0x049: map_key_clear(KEY_MEDIA);		break;
-				case 0x04a: map_key_clear(KEY_VIDEO);		break;
-				case 0x04b: map_key_clear(KEY_ANGLE);		break;
-				case 0x04c: map_key_clear(KEY_LANGUAGE);	break;
-				case 0x04d: map_key_clear(KEY_SUBTITLE);	break;
-				case 0x051: map_key_clear(KEY_RED);		break;
-				case 0x052: map_key_clear(KEY_CLOSE);		break;
-				default:    goto ignore;
-			}
-			break;
-
-		case HID_UP_PID:
-
-			switch(usage->hid & HID_USAGE) {
-				case 0xa4: map_key_clear(BTN_DEAD);	break;
-				default: goto ignore;
-			}
-			break;
-
-		default:
-		unknown:
-			if (field->report_size == 1) {
-				if (field->report->type == HID_OUTPUT_REPORT) {
-					map_led(LED_MISC);
-					break;
-				}
-				map_key(BTN_MISC);
-				break;
-			}
-			if (field->flags & HID_MAIN_ITEM_RELATIVE) {
-				map_rel(REL_MISC);
-				break;
-			}
-			map_abs(ABS_MISC);
-			break;
-	}
-
-	if (device->quirks & HID_QUIRK_MIGHTYMOUSE) {
-		if (usage->hid == HID_GD_Z)
-			map_rel(REL_HWHEEL);
-		else if (usage->code == BTN_1)
-			map_key(BTN_2);
-		else if (usage->code == BTN_2)
-			map_key(BTN_1);
-	}
-
-	if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) &&
-		 (usage->type == EV_REL) && (usage->code == REL_WHEEL))
-			set_bit(REL_HWHEEL, bit);
-
-	if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
-		|| ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
-		goto ignore;
-
-	if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) &&
-	    usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE))
-		field->flags &= ~HID_MAIN_ITEM_RELATIVE;
-
-	set_bit(usage->type, input->evbit);
-
-	while (usage->code <= max && test_and_set_bit(usage->code, bit))
-		usage->code = find_next_zero_bit(bit, max + 1, usage->code);
-
-	if (usage->code > max)
-		goto ignore;
-
-
-	if (usage->type == EV_ABS) {
-
-		int a = field->logical_minimum;
-		int b = field->logical_maximum;
-
-		if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
-			a = field->logical_minimum = 0;
-			b = field->logical_maximum = 255;
-		}
-
-		if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
-			input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
-		else	input_set_abs_params(input, usage->code, a, b, 0, 0);
-
-	}
-
-	if (usage->type == EV_ABS &&
-	    (usage->hat_min < usage->hat_max || usage->hat_dir)) {
-		int i;
-		for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
-			input_set_abs_params(input, i, -1, 1, 0, 0);
-			set_bit(i, input->absbit);
-		}
-		if (usage->hat_dir && !field->dpad)
-			field->dpad = usage->code;
-	}
-
-#ifdef DEBUG
-	resolv_event(usage->type, usage->code);
-	printk("\n");
-#endif
-	return;
-
-ignore:
-#ifdef DEBUG
-	printk("IGNORED\n");
-#endif
-	return;
-}
-
-void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
-{
-	struct input_dev *input;
-	int *quirks = &hid->quirks;
-
-	if (!field->hidinput)
-		return;
-
-	input = field->hidinput->input;
-
-	if (!usage->type)
-		return;
-
-	if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
-		|| ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
-		if (value) hid->quirks |=  HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
-		else       hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
-		return;
-	}
-
-	if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) {
-		input_event(input, usage->type, usage->code, -value);
-		return;
-	}
-
-	if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) {
-		input_event(input, usage->type, REL_HWHEEL, value);
-		return;
-	}
-
-	if ((hid->quirks & HID_QUIRK_POWERBOOK_HAS_FN) && hidinput_pb_event(hid, input, usage, value))
-		return;
-
-	if (usage->hat_min < usage->hat_max || usage->hat_dir) {
-		int hat_dir = usage->hat_dir;
-		if (!hat_dir)
-			hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
-		if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
-		input_event(input, usage->type, usage->code    , hid_hat_to_axis[hat_dir].x);
-                input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
-                return;
-        }
-
-	if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
-		*quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
-		return;
-	}
-
-	if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
-		if (value) {
-			input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
-			return;
-		}
-		input_event(input, usage->type, usage->code, 0);
-		input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
-		return;
-	}
-
-	if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
-		int a = field->logical_minimum;
-		int b = field->logical_maximum;
-		input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
-	}
-
-	if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
-		dbg("Maximum Effects - %d",value);
-		return;
-	}
-
-	if (usage->hid == (HID_UP_PID | 0x7fUL)) {
-		dbg("PID Pool Report\n");
-		return;
-	}
-
-	if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
-		return;
-
-	input_event(input, usage->type, usage->code, value);
-
-	if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
-		input_event(input, usage->type, usage->code, 0);
-}
-
-void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
-{
-	struct hid_input *hidinput;
-
-	list_for_each_entry(hidinput, &hid->inputs, list)
-		input_sync(hidinput->input);
-}
-
-static int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
-{
-	struct hid_report *report;
-	int i, j;
-
-	list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
-		for (i = 0; i < report->maxfield; i++) {
-			*field = report->field[i];
-			for (j = 0; j < (*field)->maxusage; j++)
-				if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
-					return j;
-		}
-	}
-	return -1;
-}
-
-static int hidinput_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
-{
-	struct hid_device *hid = dev->private;
-	struct hid_field *field;
-	int offset;
-
-	if (type == EV_FF)
-		return input_ff_event(dev, type, code, value);
-
-	if (type != EV_LED)
-		return -1;
-
-	if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) {
-		warn("event field not found");
-		return -1;
-	}
-
-	hid_set_field(field, offset, value);
-	hid_submit_report(hid, field->report, USB_DIR_OUT);
-
-	return 0;
-}
-
-static int hidinput_open(struct input_dev *dev)
-{
-	struct hid_device *hid = dev->private;
-	return hid_open(hid);
-}
-
-static void hidinput_close(struct input_dev *dev)
-{
-	struct hid_device *hid = dev->private;
-	hid_close(hid);
-}
-
-/*
- * Register the input device; print a message.
- * Configure the input layer interface
- * Read all reports and initialize the absolute field values.
- */
-
-int hidinput_connect(struct hid_device *hid)
-{
-	struct usb_device *dev = hid->dev;
-	struct hid_report *report;
-	struct hid_input *hidinput = NULL;
-	struct input_dev *input_dev;
-	int i, j, k;
-
-	INIT_LIST_HEAD(&hid->inputs);
-
-	for (i = 0; i < hid->maxcollection; i++)
-		if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
-		    hid->collection[i].type == HID_COLLECTION_PHYSICAL)
-			if (IS_INPUT_APPLICATION(hid->collection[i].usage))
-				break;
-
-	if (i == hid->maxcollection)
-		return -1;
-
-	for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++)
-		list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
-
-			if (!report->maxfield)
-				continue;
-
-			if (!hidinput) {
-				hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
-				input_dev = input_allocate_device();
-				if (!hidinput || !input_dev) {
-					kfree(hidinput);
-					input_free_device(input_dev);
-					err("Out of memory during hid input probe");
-					return -1;
-				}
-
-				input_dev->private = hid;
-				input_dev->event = hidinput_input_event;
-				input_dev->open = hidinput_open;
-				input_dev->close = hidinput_close;
-
-				input_dev->name = hid->name;
-				input_dev->phys = hid->phys;
-				input_dev->uniq = hid->uniq;
-				usb_to_input_id(dev, &input_dev->id);
-				input_dev->cdev.dev = &hid->intf->dev;
-
-				hidinput->input = input_dev;
-				list_add_tail(&hidinput->list, &hid->inputs);
-			}
-
-			for (i = 0; i < report->maxfield; i++)
-				for (j = 0; j < report->field[i]->maxusage; j++)
-					hidinput_configure_usage(hidinput, report->field[i],
-								 report->field[i]->usage + j);
-
-			if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
-				/* This will leave hidinput NULL, so that it
-				 * allocates another one if we have more inputs on
-				 * the same interface. Some devices (e.g. Happ's
-				 * UGCI) cram a lot of unrelated inputs into the
-				 * same interface. */
-				hidinput->report = report;
-				input_register_device(hidinput->input);
-				hidinput = NULL;
-			}
-		}
-
-	/* This only gets called when we are a single-input (most of the
-	 * time). IOW, not a HID_QUIRK_MULTI_INPUT. The hid_ff_init() is
-	 * only useful in this case, and not for multi-input quirks. */
-	if (hidinput) {
-		hid_ff_init(hid);
-		input_register_device(hidinput->input);
-	}
-
-	return 0;
-}
-
-void hidinput_disconnect(struct hid_device *hid)
-{
-	struct hid_input *hidinput, *next;
 
-	list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
-		list_del(&hidinput->list);
-		input_unregister_device(hidinput->input);
-		kfree(hidinput);
-	}
-}

drivers/usb/input/hid-lgff.c

@@ -29,7 +29,7 @@
 
 #include <linux/input.h>
 #include <linux/usb.h>
-#include "hid.h"
+#include <linux/hid.h>
 
 struct device_type {
 	u16 idVendor;

drivers/usb/input/hid-pidff.c

@@ -28,7 +28,9 @@
 #include <linux/input.h>
 #include <linux/usb.h>
 
-#include "hid.h"
+#include <linux/hid.h>
+
+#include "usbhid.h"
 
 #define	PID_EFFECTS_MAX		64
 

drivers/usb/input/hid-tmff.c

@@ -32,7 +32,7 @@
 #undef DEBUG
 #include <linux/usb.h>
 
-#include "hid.h"
+#include <linux/hid.h>
 
 /* Usages for thrustmaster devices I know about */
 #define THRUSTMASTER_USAGE_RUMBLE_LR	(HID_UP_GENDESK | 0xbb)

drivers/usb/input/hid-zpff.c

@@ -27,7 +27,7 @@
 
 #include <linux/input.h>
 #include <linux/usb.h>
-#include "hid.h"
+#include <linux/hid.h>
 
 struct zpff_device {
 	struct hid_report *report;

drivers/usb/input/hiddev.c

@@ -32,8 +32,9 @@
 #include <linux/smp_lock.h>
 #include <linux/input.h>
 #include <linux/usb.h>
-#include "hid.h"
+#include <linux/hid.h>
 #include <linux/hiddev.h>
+#include "usbhid.h"
 
 #ifdef CONFIG_USB_DYNAMIC_MINORS
 #define HIDDEV_MINOR_BASE	0

drivers/usb/input/hid.h → include/linux/hid.h

@@ -6,6 +6,7 @@
  *
  *  Copyright (c) 1999 Andreas Gal
  *  Copyright (c) 2000-2001 Vojtech Pavlik
+ *  Copyright (c) 2006 Jiri Kosina
  */
 
 /*
@@ -33,6 +34,7 @@
 #include <linux/list.h>
 #include <linux/timer.h>
 #include <linux/workqueue.h>
+#include <linux/input.h>
 
 /*
  * USB HID (Human Interface Device) interface class code
@@ -260,7 +262,7 @@ struct hid_item {
 #define HID_QUIRK_POWERBOOK_HAS_FN		0x00001000
 #define HID_QUIRK_POWERBOOK_FN_ON		0x00002000
 #define HID_QUIRK_INVERT_HWHEEL			0x00004000
-#define HID_QUIRK_POWERBOOK_ISO_KEYBOARD	0x00008000
+#define HID_QUIRK_POWERBOOK_ISO_KEYBOARD        0x00008000
 #define HID_QUIRK_BAD_RELATIVE_KEYS		0x00010000
 
 /*
@@ -496,9 +498,7 @@ struct hid_descriptor {
 #define resolv_event(a,b)	do { } while (0)
 #endif
 
-#endif
-
-#ifdef CONFIG_USB_HIDINPUT
+#ifdef CONFIG_HID
 /* Applications from HID Usage Tables 4/8/99 Version 1.1 */
 /* We ignore a few input applications that are not widely used */
 #define IS_INPUT_APPLICATION(a) (((a >= 0x00010000) && (a <= 0x00010008)) || (a == 0x00010080) || (a == 0x000c0001))
@@ -514,13 +514,12 @@ static inline int hidinput_connect(struct hid_device *hid) { return -ENODEV; }
 static inline void hidinput_disconnect(struct hid_device *hid) { }
 #endif
 
-int hid_open(struct hid_device *);
-void hid_close(struct hid_device *);
 int hid_set_field(struct hid_field *, unsigned, __s32);
-void hid_submit_report(struct hid_device *, struct hid_report *, unsigned char dir);
-void hid_init_reports(struct hid_device *hid);
-int hid_wait_io(struct hid_device* hid);
-
+int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field);
+void hid_input_field(struct hid_device *hid, struct hid_field *field, __u8 *data, int interrupt);
+void hid_output_report(struct hid_report *report, __u8 *data);
+void hid_free_device(struct hid_device *device);
+struct hid_device *hid_parse_report(__u8 *start, unsigned size);
 
 #ifdef CONFIG_HID_FF
 int hid_ff_init(struct hid_device *hid);
@@ -537,4 +536,5 @@ static inline int hid_pidff_init(struct hid_device *hid) { return -ENODEV; }
 #else
 static inline int hid_ff_init(struct hid_device *hid) { return -1; }
 #endif
+#endif