![Andrew Fuller](/assets/img/avatar_default.png)
This patch is for the Dual USB Joypad [0925:8866] from Wisegroup. The HID_QUIRK_NOGET is necessary for it to respond to input, and the HID_QUIRK_MULTI_INPUT is necessary to have two js# nodes appear. Signed-off-by: Andrew Fuller <mactalla.obair@gmail.com> Cc: "Dmitry Torokhov" <dmitry.torokhov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010 lines
56 KiB
C
2010 lines
56 KiB
C
/*
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* USB HID support for Linux
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*
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* Copyright (c) 1999 Andreas Gal
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* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
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* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
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*/
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/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*/
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/sched.h>
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#include <linux/list.h>
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#include <linux/mm.h>
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#include <linux/smp_lock.h>
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#include <linux/spinlock.h>
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#include <asm/unaligned.h>
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#include <asm/byteorder.h>
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#include <linux/input.h>
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#include <linux/wait.h>
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#undef DEBUG
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#undef DEBUG_DATA
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#include <linux/usb.h>
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#include "hid.h"
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#include <linux/hiddev.h>
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/*
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* Version Information
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*/
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#define DRIVER_VERSION "v2.6"
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#define DRIVER_AUTHOR "Andreas Gal, Vojtech Pavlik"
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#define DRIVER_DESC "USB HID core driver"
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#define DRIVER_LICENSE "GPL"
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static char *hid_types[] = {"Device", "Pointer", "Mouse", "Device", "Joystick",
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"Gamepad", "Keyboard", "Keypad", "Multi-Axis Controller"};
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/*
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* Module parameters.
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*/
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static unsigned int hid_mousepoll_interval;
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module_param_named(mousepoll, hid_mousepoll_interval, uint, 0644);
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MODULE_PARM_DESC(mousepoll, "Polling interval of mice");
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/*
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* Register a new report for a device.
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*/
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static struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id)
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{
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struct hid_report_enum *report_enum = device->report_enum + type;
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struct hid_report *report;
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if (report_enum->report_id_hash[id])
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return report_enum->report_id_hash[id];
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if (!(report = kmalloc(sizeof(struct hid_report), GFP_KERNEL)))
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return NULL;
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memset(report, 0, sizeof(struct hid_report));
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if (id != 0)
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report_enum->numbered = 1;
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report->id = id;
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report->type = type;
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report->size = 0;
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report->device = device;
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report_enum->report_id_hash[id] = report;
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list_add_tail(&report->list, &report_enum->report_list);
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return report;
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}
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/*
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* Register a new field for this report.
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*/
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static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
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{
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struct hid_field *field;
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if (report->maxfield == HID_MAX_FIELDS) {
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dbg("too many fields in report");
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return NULL;
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}
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if (!(field = kmalloc(sizeof(struct hid_field) + usages * sizeof(struct hid_usage)
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+ values * sizeof(unsigned), GFP_KERNEL))) return NULL;
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memset(field, 0, sizeof(struct hid_field) + usages * sizeof(struct hid_usage)
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+ values * sizeof(unsigned));
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field->index = report->maxfield++;
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report->field[field->index] = field;
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field->usage = (struct hid_usage *)(field + 1);
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field->value = (unsigned *)(field->usage + usages);
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field->report = report;
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return field;
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}
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/*
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* Open a collection. The type/usage is pushed on the stack.
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*/
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static int open_collection(struct hid_parser *parser, unsigned type)
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{
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struct hid_collection *collection;
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unsigned usage;
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usage = parser->local.usage[0];
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if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
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dbg("collection stack overflow");
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return -1;
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}
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if (parser->device->maxcollection == parser->device->collection_size) {
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collection = kmalloc(sizeof(struct hid_collection) *
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parser->device->collection_size * 2, GFP_KERNEL);
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if (collection == NULL) {
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dbg("failed to reallocate collection array");
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return -1;
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}
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memcpy(collection, parser->device->collection,
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sizeof(struct hid_collection) *
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parser->device->collection_size);
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memset(collection + parser->device->collection_size, 0,
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sizeof(struct hid_collection) *
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parser->device->collection_size);
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kfree(parser->device->collection);
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parser->device->collection = collection;
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parser->device->collection_size *= 2;
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}
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parser->collection_stack[parser->collection_stack_ptr++] =
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parser->device->maxcollection;
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collection = parser->device->collection +
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parser->device->maxcollection++;
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collection->type = type;
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collection->usage = usage;
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collection->level = parser->collection_stack_ptr - 1;
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if (type == HID_COLLECTION_APPLICATION)
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parser->device->maxapplication++;
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return 0;
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}
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/*
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* Close a collection.
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*/
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static int close_collection(struct hid_parser *parser)
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{
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if (!parser->collection_stack_ptr) {
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dbg("collection stack underflow");
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return -1;
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}
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parser->collection_stack_ptr--;
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return 0;
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}
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/*
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* Climb up the stack, search for the specified collection type
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* and return the usage.
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*/
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static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
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{
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int n;
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for (n = parser->collection_stack_ptr - 1; n >= 0; n--)
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if (parser->device->collection[parser->collection_stack[n]].type == type)
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return parser->device->collection[parser->collection_stack[n]].usage;
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return 0; /* we know nothing about this usage type */
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}
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/*
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* Add a usage to the temporary parser table.
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*/
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static int hid_add_usage(struct hid_parser *parser, unsigned usage)
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{
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if (parser->local.usage_index >= HID_MAX_USAGES) {
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dbg("usage index exceeded");
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return -1;
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}
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parser->local.usage[parser->local.usage_index] = usage;
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parser->local.collection_index[parser->local.usage_index] =
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parser->collection_stack_ptr ?
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parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
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parser->local.usage_index++;
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return 0;
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}
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/*
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* Register a new field for this report.
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*/
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static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
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{
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struct hid_report *report;
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struct hid_field *field;
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int usages;
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unsigned offset;
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int i;
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if (!(report = hid_register_report(parser->device, report_type, parser->global.report_id))) {
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dbg("hid_register_report failed");
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return -1;
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}
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if (parser->global.logical_maximum < parser->global.logical_minimum) {
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dbg("logical range invalid %d %d", parser->global.logical_minimum, parser->global.logical_maximum);
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return -1;
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}
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offset = report->size;
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report->size += parser->global.report_size * parser->global.report_count;
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if (!parser->local.usage_index) /* Ignore padding fields */
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return 0;
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usages = max_t(int, parser->local.usage_index, parser->global.report_count);
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if ((field = hid_register_field(report, usages, parser->global.report_count)) == NULL)
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return 0;
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field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
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field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
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field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
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for (i = 0; i < usages; i++) {
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int j = i;
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/* Duplicate the last usage we parsed if we have excess values */
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if (i >= parser->local.usage_index)
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j = parser->local.usage_index - 1;
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field->usage[i].hid = parser->local.usage[j];
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field->usage[i].collection_index =
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parser->local.collection_index[j];
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}
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field->maxusage = usages;
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field->flags = flags;
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field->report_offset = offset;
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field->report_type = report_type;
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field->report_size = parser->global.report_size;
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field->report_count = parser->global.report_count;
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field->logical_minimum = parser->global.logical_minimum;
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field->logical_maximum = parser->global.logical_maximum;
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field->physical_minimum = parser->global.physical_minimum;
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field->physical_maximum = parser->global.physical_maximum;
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field->unit_exponent = parser->global.unit_exponent;
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field->unit = parser->global.unit;
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return 0;
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}
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/*
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* Read data value from item.
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*/
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static __inline__ __u32 item_udata(struct hid_item *item)
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{
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switch (item->size) {
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case 1: return item->data.u8;
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case 2: return item->data.u16;
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case 4: return item->data.u32;
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}
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return 0;
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}
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static __inline__ __s32 item_sdata(struct hid_item *item)
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{
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switch (item->size) {
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case 1: return item->data.s8;
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case 2: return item->data.s16;
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case 4: return item->data.s32;
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}
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return 0;
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}
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/*
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* Process a global item.
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*/
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static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
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{
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switch (item->tag) {
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case HID_GLOBAL_ITEM_TAG_PUSH:
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if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
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dbg("global enviroment stack overflow");
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return -1;
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}
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memcpy(parser->global_stack + parser->global_stack_ptr++,
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&parser->global, sizeof(struct hid_global));
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return 0;
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case HID_GLOBAL_ITEM_TAG_POP:
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if (!parser->global_stack_ptr) {
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dbg("global enviroment stack underflow");
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return -1;
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}
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memcpy(&parser->global, parser->global_stack + --parser->global_stack_ptr,
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sizeof(struct hid_global));
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return 0;
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case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
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parser->global.usage_page = item_udata(item);
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return 0;
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case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
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parser->global.logical_minimum = item_sdata(item);
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return 0;
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case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
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if (parser->global.logical_minimum < 0)
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parser->global.logical_maximum = item_sdata(item);
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else
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parser->global.logical_maximum = item_udata(item);
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return 0;
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case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
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parser->global.physical_minimum = item_sdata(item);
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return 0;
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case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
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if (parser->global.physical_minimum < 0)
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parser->global.physical_maximum = item_sdata(item);
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else
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parser->global.physical_maximum = item_udata(item);
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return 0;
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case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
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parser->global.unit_exponent = item_sdata(item);
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return 0;
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case HID_GLOBAL_ITEM_TAG_UNIT:
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parser->global.unit = item_udata(item);
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return 0;
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case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
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if ((parser->global.report_size = item_udata(item)) > 32) {
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dbg("invalid report_size %d", parser->global.report_size);
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return -1;
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}
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return 0;
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case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
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if ((parser->global.report_count = item_udata(item)) > HID_MAX_USAGES) {
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dbg("invalid report_count %d", parser->global.report_count);
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return -1;
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}
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return 0;
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case HID_GLOBAL_ITEM_TAG_REPORT_ID:
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if ((parser->global.report_id = item_udata(item)) == 0) {
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dbg("report_id 0 is invalid");
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return -1;
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}
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return 0;
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default:
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dbg("unknown global tag 0x%x", item->tag);
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return -1;
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}
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}
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/*
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* Process a local item.
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*/
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static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
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{
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__u32 data;
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unsigned n;
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if (item->size == 0) {
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dbg("item data expected for local item");
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return -1;
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}
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data = item_udata(item);
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switch (item->tag) {
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case HID_LOCAL_ITEM_TAG_DELIMITER:
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if (data) {
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/*
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* We treat items before the first delimiter
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* as global to all usage sets (branch 0).
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* In the moment we process only these global
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* items and the first delimiter set.
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*/
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if (parser->local.delimiter_depth != 0) {
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dbg("nested delimiters");
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return -1;
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}
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parser->local.delimiter_depth++;
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parser->local.delimiter_branch++;
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} else {
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if (parser->local.delimiter_depth < 1) {
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dbg("bogus close delimiter");
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return -1;
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}
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parser->local.delimiter_depth--;
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}
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return 1;
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case HID_LOCAL_ITEM_TAG_USAGE:
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if (parser->local.delimiter_branch > 1) {
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dbg("alternative usage ignored");
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return 0;
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}
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if (item->size <= 2)
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data = (parser->global.usage_page << 16) + data;
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return hid_add_usage(parser, data);
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case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
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if (parser->local.delimiter_branch > 1) {
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dbg("alternative usage ignored");
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return 0;
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}
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if (item->size <= 2)
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data = (parser->global.usage_page << 16) + data;
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parser->local.usage_minimum = data;
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return 0;
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case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
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if (parser->local.delimiter_branch > 1) {
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dbg("alternative usage ignored");
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return 0;
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}
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if (item->size <= 2)
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data = (parser->global.usage_page << 16) + data;
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for (n = parser->local.usage_minimum; n <= data; n++)
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if (hid_add_usage(parser, n)) {
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dbg("hid_add_usage failed\n");
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return -1;
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}
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return 0;
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default:
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dbg("unknown local item tag 0x%x", item->tag);
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return 0;
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}
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return 0;
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}
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/*
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* Process a main item.
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*/
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static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
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{
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__u32 data;
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int ret;
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data = item_udata(item);
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switch (item->tag) {
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case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
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ret = open_collection(parser, data & 0xff);
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break;
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case HID_MAIN_ITEM_TAG_END_COLLECTION:
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ret = close_collection(parser);
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break;
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case HID_MAIN_ITEM_TAG_INPUT:
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ret = hid_add_field(parser, HID_INPUT_REPORT, data);
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break;
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case HID_MAIN_ITEM_TAG_OUTPUT:
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ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
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break;
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case HID_MAIN_ITEM_TAG_FEATURE:
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ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
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break;
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default:
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dbg("unknown main item tag 0x%x", item->tag);
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ret = 0;
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}
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memset(&parser->local, 0, sizeof(parser->local)); /* Reset the local parser environment */
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return ret;
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}
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/*
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* Process a reserved item.
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*/
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static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
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{
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dbg("reserved item type, tag 0x%x", item->tag);
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return 0;
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}
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/*
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* Free a report and all registered fields. The field->usage and
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* field->value table's are allocated behind the field, so we need
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* only to free(field) itself.
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*/
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static void hid_free_report(struct hid_report *report)
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{
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unsigned n;
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for (n = 0; n < report->maxfield; n++)
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kfree(report->field[n]);
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kfree(report);
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}
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/*
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* Free a device structure, all reports, and all fields.
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*/
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static void hid_free_device(struct hid_device *device)
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{
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unsigned i,j;
|
|
|
|
hid_ff_exit(device);
|
|
|
|
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 = kmalloc(sizeof(struct hid_device), GFP_KERNEL)))
|
|
return NULL;
|
|
memset(device, 0, sizeof(struct hid_device));
|
|
|
|
if (!(device->collection = kmalloc(sizeof(struct hid_collection) *
|
|
HID_DEFAULT_NUM_COLLECTIONS, GFP_KERNEL))) {
|
|
kfree(device);
|
|
return NULL;
|
|
}
|
|
memset(device->collection, 0, sizeof(struct hid_collection) *
|
|
HID_DEFAULT_NUM_COLLECTIONS);
|
|
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 = kmalloc(sizeof(struct hid_parser), GFP_KERNEL))) {
|
|
kfree(device->rdesc);
|
|
kfree(device->collection);
|
|
kfree(device);
|
|
return NULL;
|
|
}
|
|
memset(parser, 0, sizeof(struct hid_parser));
|
|
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 __inline__ __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 __inline__ __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 report.
|
|
*/
|
|
|
|
static __inline__ __u32 extract(__u8 *report, unsigned offset, unsigned n)
|
|
{
|
|
report += (offset >> 5) << 2; offset &= 31;
|
|
return (le64_to_cpu(get_unaligned((__le64*)report)) >> offset) & ((1ULL << n) - 1);
|
|
}
|
|
|
|
static __inline__ void implement(__u8 *report, unsigned offset, unsigned n, __u32 value)
|
|
{
|
|
report += (offset >> 5) << 2; offset &= 31;
|
|
put_unaligned((get_unaligned((__le64*)report)
|
|
& cpu_to_le64(~((((__u64) 1 << n) - 1) << offset)))
|
|
| cpu_to_le64((__u64)value << offset), (__le64*)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, struct pt_regs *regs)
|
|
{
|
|
hid_dump_input(usage, value);
|
|
if (hid->claimed & HID_CLAIMED_INPUT)
|
|
hidinput_hid_event(hid, field, usage, value, regs);
|
|
if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt)
|
|
hiddev_hid_event(hid, field, usage, value, regs);
|
|
}
|
|
|
|
/*
|
|
* 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, struct pt_regs *regs)
|
|
{
|
|
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, regs);
|
|
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, regs);
|
|
|
|
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, regs);
|
|
}
|
|
|
|
memcpy(field->value, value, count * sizeof(__s32));
|
|
exit:
|
|
kfree(value);
|
|
}
|
|
|
|
static int hid_input_report(int type, struct urb *urb, int interrupt, struct pt_regs *regs)
|
|
{
|
|
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, regs);
|
|
|
|
if (hid->claimed & HID_CLAIMED_INPUT)
|
|
hidinput_report_event(hid, report);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Input interrupt completion handler.
|
|
*/
|
|
|
|
static void hid_irq_in(struct urb *urb, struct pt_regs *regs)
|
|
{
|
|
struct hid_device *hid = urb->context;
|
|
int status;
|
|
|
|
switch (urb->status) {
|
|
case 0: /* success */
|
|
hid_input_report(HID_INPUT_REPORT, urb, 1, regs);
|
|
break;
|
|
case -ECONNRESET: /* unlink */
|
|
case -ENOENT:
|
|
case -EPERM:
|
|
case -ESHUTDOWN: /* unplug */
|
|
case -EILSEQ: /* unplug timeout on uhci */
|
|
return;
|
|
case -ETIMEDOUT: /* NAK */
|
|
break;
|
|
default: /* error */
|
|
warn("input irq status %d received", urb->status);
|
|
}
|
|
|
|
status = usb_submit_urb(urb, SLAB_ATOMIC);
|
|
if (status)
|
|
err("can't resubmit intr, %s-%s/input%d, status %d",
|
|
hid->dev->bus->bus_name, hid->dev->devpath,
|
|
hid->ifnum, status);
|
|
}
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
|
|
struct hid_field *hid_find_field_by_usage(struct hid_device *hid, __u32 wanted_usage, int type)
|
|
{
|
|
struct hid_report *report;
|
|
int i;
|
|
|
|
list_for_each_entry(report, &hid->report_enum[type].report_list, list)
|
|
for (i = 0; i < report->maxfield; i++)
|
|
if (report->field[i]->logical == wanted_usage)
|
|
return report->field[i];
|
|
return NULL;
|
|
}
|
|
|
|
static int hid_submit_out(struct hid_device *hid)
|
|
{
|
|
struct hid_report *report;
|
|
|
|
report = hid->out[hid->outtail];
|
|
|
|
hid_output_report(report, hid->outbuf);
|
|
hid->urbout->transfer_buffer_length = ((report->size - 1) >> 3) + 1 + (report->id > 0);
|
|
hid->urbout->dev = hid->dev;
|
|
|
|
dbg("submitting out urb");
|
|
|
|
if (usb_submit_urb(hid->urbout, GFP_ATOMIC)) {
|
|
err("usb_submit_urb(out) failed");
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int hid_submit_ctrl(struct hid_device *hid)
|
|
{
|
|
struct hid_report *report;
|
|
unsigned char dir;
|
|
int len;
|
|
|
|
report = hid->ctrl[hid->ctrltail].report;
|
|
dir = hid->ctrl[hid->ctrltail].dir;
|
|
|
|
len = ((report->size - 1) >> 3) + 1 + (report->id > 0);
|
|
if (dir == USB_DIR_OUT) {
|
|
hid_output_report(report, hid->ctrlbuf);
|
|
hid->urbctrl->pipe = usb_sndctrlpipe(hid->dev, 0);
|
|
hid->urbctrl->transfer_buffer_length = len;
|
|
} else {
|
|
int maxpacket, padlen;
|
|
|
|
hid->urbctrl->pipe = usb_rcvctrlpipe(hid->dev, 0);
|
|
maxpacket = usb_maxpacket(hid->dev, hid->urbctrl->pipe, 0);
|
|
if (maxpacket > 0) {
|
|
padlen = (len + maxpacket - 1) / maxpacket;
|
|
padlen *= maxpacket;
|
|
if (padlen > hid->bufsize)
|
|
padlen = hid->bufsize;
|
|
} else
|
|
padlen = 0;
|
|
hid->urbctrl->transfer_buffer_length = padlen;
|
|
}
|
|
hid->urbctrl->dev = hid->dev;
|
|
|
|
hid->cr->bRequestType = USB_TYPE_CLASS | USB_RECIP_INTERFACE | dir;
|
|
hid->cr->bRequest = (dir == USB_DIR_OUT) ? HID_REQ_SET_REPORT : HID_REQ_GET_REPORT;
|
|
hid->cr->wValue = cpu_to_le16(((report->type + 1) << 8) | report->id);
|
|
hid->cr->wIndex = cpu_to_le16(hid->ifnum);
|
|
hid->cr->wLength = cpu_to_le16(len);
|
|
|
|
dbg("submitting ctrl urb: %s wValue=0x%04x wIndex=0x%04x wLength=%u",
|
|
hid->cr->bRequest == HID_REQ_SET_REPORT ? "Set_Report" : "Get_Report",
|
|
hid->cr->wValue, hid->cr->wIndex, hid->cr->wLength);
|
|
|
|
if (usb_submit_urb(hid->urbctrl, GFP_ATOMIC)) {
|
|
err("usb_submit_urb(ctrl) failed");
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Output interrupt completion handler.
|
|
*/
|
|
|
|
static void hid_irq_out(struct urb *urb, struct pt_regs *regs)
|
|
{
|
|
struct hid_device *hid = urb->context;
|
|
unsigned long flags;
|
|
int unplug = 0;
|
|
|
|
switch (urb->status) {
|
|
case 0: /* success */
|
|
break;
|
|
case -ESHUTDOWN: /* unplug */
|
|
case -EILSEQ: /* unplug timeout on uhci */
|
|
unplug = 1;
|
|
case -ECONNRESET: /* unlink */
|
|
case -ENOENT:
|
|
break;
|
|
default: /* error */
|
|
warn("output irq status %d received", urb->status);
|
|
}
|
|
|
|
spin_lock_irqsave(&hid->outlock, flags);
|
|
|
|
if (unplug)
|
|
hid->outtail = hid->outhead;
|
|
else
|
|
hid->outtail = (hid->outtail + 1) & (HID_OUTPUT_FIFO_SIZE - 1);
|
|
|
|
if (hid->outhead != hid->outtail) {
|
|
if (hid_submit_out(hid)) {
|
|
clear_bit(HID_OUT_RUNNING, &hid->iofl);;
|
|
wake_up(&hid->wait);
|
|
}
|
|
spin_unlock_irqrestore(&hid->outlock, flags);
|
|
return;
|
|
}
|
|
|
|
clear_bit(HID_OUT_RUNNING, &hid->iofl);
|
|
spin_unlock_irqrestore(&hid->outlock, flags);
|
|
wake_up(&hid->wait);
|
|
}
|
|
|
|
/*
|
|
* Control pipe completion handler.
|
|
*/
|
|
|
|
static void hid_ctrl(struct urb *urb, struct pt_regs *regs)
|
|
{
|
|
struct hid_device *hid = urb->context;
|
|
unsigned long flags;
|
|
int unplug = 0;
|
|
|
|
spin_lock_irqsave(&hid->ctrllock, flags);
|
|
|
|
switch (urb->status) {
|
|
case 0: /* success */
|
|
if (hid->ctrl[hid->ctrltail].dir == USB_DIR_IN)
|
|
hid_input_report(hid->ctrl[hid->ctrltail].report->type, urb, 0, regs);
|
|
break;
|
|
case -ESHUTDOWN: /* unplug */
|
|
case -EILSEQ: /* unplug timectrl on uhci */
|
|
unplug = 1;
|
|
case -ECONNRESET: /* unlink */
|
|
case -ENOENT:
|
|
case -EPIPE: /* report not available */
|
|
break;
|
|
default: /* error */
|
|
warn("ctrl urb status %d received", urb->status);
|
|
}
|
|
|
|
if (unplug)
|
|
hid->ctrltail = hid->ctrlhead;
|
|
else
|
|
hid->ctrltail = (hid->ctrltail + 1) & (HID_CONTROL_FIFO_SIZE - 1);
|
|
|
|
if (hid->ctrlhead != hid->ctrltail) {
|
|
if (hid_submit_ctrl(hid)) {
|
|
clear_bit(HID_CTRL_RUNNING, &hid->iofl);
|
|
wake_up(&hid->wait);
|
|
}
|
|
spin_unlock_irqrestore(&hid->ctrllock, flags);
|
|
return;
|
|
}
|
|
|
|
clear_bit(HID_CTRL_RUNNING, &hid->iofl);
|
|
spin_unlock_irqrestore(&hid->ctrllock, flags);
|
|
wake_up(&hid->wait);
|
|
}
|
|
|
|
void hid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir)
|
|
{
|
|
int head;
|
|
unsigned long flags;
|
|
|
|
if ((hid->quirks & HID_QUIRK_NOGET) && dir == USB_DIR_IN)
|
|
return;
|
|
|
|
if (hid->urbout && dir == USB_DIR_OUT && report->type == HID_OUTPUT_REPORT) {
|
|
|
|
spin_lock_irqsave(&hid->outlock, flags);
|
|
|
|
if ((head = (hid->outhead + 1) & (HID_OUTPUT_FIFO_SIZE - 1)) == hid->outtail) {
|
|
spin_unlock_irqrestore(&hid->outlock, flags);
|
|
warn("output queue full");
|
|
return;
|
|
}
|
|
|
|
hid->out[hid->outhead] = report;
|
|
hid->outhead = head;
|
|
|
|
if (!test_and_set_bit(HID_OUT_RUNNING, &hid->iofl))
|
|
if (hid_submit_out(hid))
|
|
clear_bit(HID_OUT_RUNNING, &hid->iofl);
|
|
|
|
spin_unlock_irqrestore(&hid->outlock, flags);
|
|
return;
|
|
}
|
|
|
|
spin_lock_irqsave(&hid->ctrllock, flags);
|
|
|
|
if ((head = (hid->ctrlhead + 1) & (HID_CONTROL_FIFO_SIZE - 1)) == hid->ctrltail) {
|
|
spin_unlock_irqrestore(&hid->ctrllock, flags);
|
|
warn("control queue full");
|
|
return;
|
|
}
|
|
|
|
hid->ctrl[hid->ctrlhead].report = report;
|
|
hid->ctrl[hid->ctrlhead].dir = dir;
|
|
hid->ctrlhead = head;
|
|
|
|
if (!test_and_set_bit(HID_CTRL_RUNNING, &hid->iofl))
|
|
if (hid_submit_ctrl(hid))
|
|
clear_bit(HID_CTRL_RUNNING, &hid->iofl);
|
|
|
|
spin_unlock_irqrestore(&hid->ctrllock, flags);
|
|
}
|
|
|
|
int hid_wait_io(struct hid_device *hid)
|
|
{
|
|
if (!wait_event_timeout(hid->wait, (!test_bit(HID_CTRL_RUNNING, &hid->iofl) &&
|
|
!test_bit(HID_OUT_RUNNING, &hid->iofl)),
|
|
10*HZ)) {
|
|
dbg("timeout waiting for ctrl or out queue to clear");
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int hid_set_idle(struct usb_device *dev, int ifnum, int report, int idle)
|
|
{
|
|
return usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
|
|
HID_REQ_SET_IDLE, USB_TYPE_CLASS | USB_RECIP_INTERFACE, (idle << 8) | report,
|
|
ifnum, NULL, 0, USB_CTRL_SET_TIMEOUT);
|
|
}
|
|
|
|
static int hid_get_class_descriptor(struct usb_device *dev, int ifnum,
|
|
unsigned char type, void *buf, int size)
|
|
{
|
|
int result, retries = 4;
|
|
|
|
memset(buf,0,size); // Make sure we parse really received data
|
|
|
|
do {
|
|
result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
|
|
USB_REQ_GET_DESCRIPTOR, USB_RECIP_INTERFACE | USB_DIR_IN,
|
|
(type << 8), ifnum, buf, size, USB_CTRL_GET_TIMEOUT);
|
|
retries--;
|
|
} while (result < size && retries);
|
|
return result;
|
|
}
|
|
|
|
int hid_open(struct hid_device *hid)
|
|
{
|
|
if (hid->open++)
|
|
return 0;
|
|
|
|
hid->urbin->dev = hid->dev;
|
|
|
|
if (usb_submit_urb(hid->urbin, GFP_KERNEL))
|
|
return -EIO;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void hid_close(struct hid_device *hid)
|
|
{
|
|
if (!--hid->open)
|
|
usb_kill_urb(hid->urbin);
|
|
}
|
|
|
|
/*
|
|
* Initialize all reports
|
|
*/
|
|
|
|
void hid_init_reports(struct hid_device *hid)
|
|
{
|
|
struct hid_report *report;
|
|
int err, ret;
|
|
|
|
list_for_each_entry(report, &hid->report_enum[HID_INPUT_REPORT].report_list, list)
|
|
hid_submit_report(hid, report, USB_DIR_IN);
|
|
|
|
list_for_each_entry(report, &hid->report_enum[HID_FEATURE_REPORT].report_list, list)
|
|
hid_submit_report(hid, report, USB_DIR_IN);
|
|
|
|
err = 0;
|
|
ret = hid_wait_io(hid);
|
|
while (ret) {
|
|
err |= ret;
|
|
if (test_bit(HID_CTRL_RUNNING, &hid->iofl))
|
|
usb_kill_urb(hid->urbctrl);
|
|
if (test_bit(HID_OUT_RUNNING, &hid->iofl))
|
|
usb_kill_urb(hid->urbout);
|
|
ret = hid_wait_io(hid);
|
|
}
|
|
|
|
if (err)
|
|
warn("timeout initializing reports");
|
|
}
|
|
|
|
#define USB_VENDOR_ID_WACOM 0x056a
|
|
#define USB_DEVICE_ID_WACOM_PENPARTNER 0x0000
|
|
#define USB_DEVICE_ID_WACOM_GRAPHIRE 0x0010
|
|
#define USB_DEVICE_ID_WACOM_INTUOS 0x0020
|
|
#define USB_DEVICE_ID_WACOM_PL 0x0030
|
|
#define USB_DEVICE_ID_WACOM_INTUOS2 0x0040
|
|
#define USB_DEVICE_ID_WACOM_VOLITO 0x0060
|
|
#define USB_DEVICE_ID_WACOM_PTU 0x0003
|
|
#define USB_DEVICE_ID_WACOM_INTUOS3 0x00B0
|
|
#define USB_DEVICE_ID_WACOM_CINTIQ 0x003F
|
|
#define USB_DEVICE_ID_WACOM_DTF 0x00C0
|
|
|
|
#define USB_VENDOR_ID_ACECAD 0x0460
|
|
#define USB_DEVICE_ID_ACECAD_FLAIR 0x0004
|
|
#define USB_DEVICE_ID_ACECAD_302 0x0008
|
|
|
|
#define USB_VENDOR_ID_KBGEAR 0x084e
|
|
#define USB_DEVICE_ID_KBGEAR_JAMSTUDIO 0x1001
|
|
|
|
#define USB_VENDOR_ID_AIPTEK 0x08ca
|
|
#define USB_DEVICE_ID_AIPTEK_01 0x0001
|
|
#define USB_DEVICE_ID_AIPTEK_10 0x0010
|
|
#define USB_DEVICE_ID_AIPTEK_20 0x0020
|
|
#define USB_DEVICE_ID_AIPTEK_21 0x0021
|
|
#define USB_DEVICE_ID_AIPTEK_22 0x0022
|
|
#define USB_DEVICE_ID_AIPTEK_23 0x0023
|
|
#define USB_DEVICE_ID_AIPTEK_24 0x0024
|
|
|
|
#define USB_VENDOR_ID_GRIFFIN 0x077d
|
|
#define USB_DEVICE_ID_POWERMATE 0x0410
|
|
#define USB_DEVICE_ID_SOUNDKNOB 0x04AA
|
|
|
|
#define USB_VENDOR_ID_ATEN 0x0557
|
|
#define USB_DEVICE_ID_ATEN_UC100KM 0x2004
|
|
#define USB_DEVICE_ID_ATEN_CS124U 0x2202
|
|
#define USB_DEVICE_ID_ATEN_2PORTKVM 0x2204
|
|
#define USB_DEVICE_ID_ATEN_4PORTKVM 0x2205
|
|
#define USB_DEVICE_ID_ATEN_4PORTKVMC 0x2208
|
|
|
|
#define USB_VENDOR_ID_TOPMAX 0x0663
|
|
#define USB_DEVICE_ID_TOPMAX_COBRAPAD 0x0103
|
|
|
|
#define USB_VENDOR_ID_HAPP 0x078b
|
|
#define USB_DEVICE_ID_UGCI_DRIVING 0x0010
|
|
#define USB_DEVICE_ID_UGCI_FLYING 0x0020
|
|
#define USB_DEVICE_ID_UGCI_FIGHTING 0x0030
|
|
|
|
#define USB_VENDOR_ID_MGE 0x0463
|
|
#define USB_DEVICE_ID_MGE_UPS 0xffff
|
|
#define USB_DEVICE_ID_MGE_UPS1 0x0001
|
|
|
|
#define USB_VENDOR_ID_ONTRAK 0x0a07
|
|
#define USB_DEVICE_ID_ONTRAK_ADU100 0x0064
|
|
|
|
#define USB_VENDOR_ID_TANGTOP 0x0d3d
|
|
#define USB_DEVICE_ID_TANGTOP_USBPS2 0x0001
|
|
|
|
#define USB_VENDOR_ID_ESSENTIAL_REALITY 0x0d7f
|
|
#define USB_DEVICE_ID_ESSENTIAL_REALITY_P5 0x0100
|
|
|
|
#define USB_VENDOR_ID_A4TECH 0x09da
|
|
#define USB_DEVICE_ID_A4TECH_WCP32PU 0x0006
|
|
|
|
#define USB_VENDOR_ID_AASHIMA 0x06d6
|
|
#define USB_DEVICE_ID_AASHIMA_GAMEPAD 0x0025
|
|
#define USB_DEVICE_ID_AASHIMA_PREDATOR 0x0026
|
|
|
|
#define USB_VENDOR_ID_CYPRESS 0x04b4
|
|
#define USB_DEVICE_ID_CYPRESS_MOUSE 0x0001
|
|
#define USB_DEVICE_ID_CYPRESS_HIDCOM 0x5500
|
|
#define USB_DEVICE_ID_CYPRESS_ULTRAMOUSE 0x7417
|
|
|
|
#define USB_VENDOR_ID_BERKSHIRE 0x0c98
|
|
#define USB_DEVICE_ID_BERKSHIRE_PCWD 0x1140
|
|
|
|
#define USB_VENDOR_ID_ALPS 0x0433
|
|
#define USB_DEVICE_ID_IBM_GAMEPAD 0x1101
|
|
|
|
#define USB_VENDOR_ID_SAITEK 0x06a3
|
|
#define USB_DEVICE_ID_SAITEK_RUMBLEPAD 0xff17
|
|
|
|
#define USB_VENDOR_ID_NEC 0x073e
|
|
#define USB_DEVICE_ID_NEC_USB_GAME_PAD 0x0301
|
|
|
|
#define USB_VENDOR_ID_CHIC 0x05fe
|
|
#define USB_DEVICE_ID_CHIC_GAMEPAD 0x0014
|
|
|
|
#define USB_VENDOR_ID_GLAB 0x06c2
|
|
#define USB_DEVICE_ID_4_PHIDGETSERVO_30 0x0038
|
|
#define USB_DEVICE_ID_1_PHIDGETSERVO_30 0x0039
|
|
#define USB_DEVICE_ID_8_8_8_IF_KIT 0x0045
|
|
#define USB_DEVICE_ID_0_0_4_IF_KIT 0x0040
|
|
#define USB_DEVICE_ID_0_8_8_IF_KIT 0x0053
|
|
|
|
#define USB_VENDOR_ID_WISEGROUP 0x0925
|
|
#define USB_DEVICE_ID_1_PHIDGETSERVO_20 0x8101
|
|
#define USB_DEVICE_ID_4_PHIDGETSERVO_20 0x8104
|
|
#define USB_DEVICE_ID_DUAL_USB_JOYPAD 0x8866
|
|
|
|
#define USB_VENDOR_ID_CODEMERCS 0x07c0
|
|
#define USB_DEVICE_ID_CODEMERCS_IOW40 0x1500
|
|
#define USB_DEVICE_ID_CODEMERCS_IOW24 0x1501
|
|
#define USB_DEVICE_ID_CODEMERCS_IOW48 0x1502
|
|
#define USB_DEVICE_ID_CODEMERCS_IOW28 0x1503
|
|
|
|
#define USB_VENDOR_ID_DELORME 0x1163
|
|
#define USB_DEVICE_ID_DELORME_EARTHMATE 0x0100
|
|
#define USB_DEVICE_ID_DELORME_EM_LT20 0x0200
|
|
|
|
#define USB_VENDOR_ID_MCC 0x09db
|
|
#define USB_DEVICE_ID_MCC_PMD1024LS 0x0076
|
|
#define USB_DEVICE_ID_MCC_PMD1208LS 0x007a
|
|
|
|
#define USB_VENDOR_ID_CHICONY 0x04f2
|
|
#define USB_DEVICE_ID_CHICONY_USBHUB_KB 0x0100
|
|
|
|
#define USB_VENDOR_ID_BTC 0x046e
|
|
#define USB_DEVICE_ID_BTC_KEYBOARD 0x5303
|
|
|
|
#define USB_VENDOR_ID_VERNIER 0x08f7
|
|
#define USB_DEVICE_ID_VERNIER_LABPRO 0x0001
|
|
#define USB_DEVICE_ID_VERNIER_GOTEMP 0x0002
|
|
#define USB_DEVICE_ID_VERNIER_SKIP 0x0003
|
|
#define USB_DEVICE_ID_VERNIER_CYCLOPS 0x0004
|
|
|
|
#define USB_VENDOR_ID_LD 0x0f11
|
|
#define USB_DEVICE_ID_LD_CASSY 0x1000
|
|
#define USB_DEVICE_ID_LD_POCKETCASSY 0x1010
|
|
#define USB_DEVICE_ID_LD_MOBILECASSY 0x1020
|
|
#define USB_DEVICE_ID_LD_JWM 0x1080
|
|
#define USB_DEVICE_ID_LD_DMMP 0x1081
|
|
#define USB_DEVICE_ID_LD_UMIP 0x1090
|
|
#define USB_DEVICE_ID_LD_XRAY1 0x1100
|
|
#define USB_DEVICE_ID_LD_XRAY2 0x1101
|
|
#define USB_DEVICE_ID_LD_VIDEOCOM 0x1200
|
|
#define USB_DEVICE_ID_LD_COM3LAB 0x2000
|
|
#define USB_DEVICE_ID_LD_TELEPORT 0x2010
|
|
#define USB_DEVICE_ID_LD_NETWORKANALYSER 0x2020
|
|
#define USB_DEVICE_ID_LD_POWERCONTROL 0x2030
|
|
#define USB_DEVICE_ID_LD_MACHINETEST 0x2040
|
|
|
|
#define USB_VENDOR_ID_APPLE 0x05ac
|
|
#define USB_DEVICE_ID_APPLE_POWERMOUSE 0x0304
|
|
|
|
#define USB_VENDOR_ID_CHERRY 0x046a
|
|
#define USB_DEVICE_ID_CHERRY_CYMOTION 0x0023
|
|
|
|
#define USB_VENDOR_ID_HP 0x03f0
|
|
#define USB_DEVICE_ID_HP_USBHUB_KB 0x020c
|
|
|
|
/*
|
|
* Alphabetically sorted blacklist by quirk type.
|
|
*/
|
|
|
|
static const struct hid_blacklist {
|
|
__u16 idVendor;
|
|
__u16 idProduct;
|
|
unsigned quirks;
|
|
} hid_blacklist[] = {
|
|
|
|
{ USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW40, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW24, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW48, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW28, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY1, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PENPARTNER, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE + 1, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE + 2, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE + 3, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE + 4, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS + 1, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS + 2, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS + 3, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS + 4, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PL, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PL + 1, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PL + 2, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PL + 3, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PL + 4, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PL + 5, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PL + 7, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PL + 8, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PL + 9, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS2 + 1, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS2 + 2, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS2 + 3, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS2 + 4, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS2 + 5, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS2 + 7, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_VOLITO, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_VOLITO + 1, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_VOLITO + 2, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_VOLITO + 3, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_VOLITO + 4, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE + 5, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE + 6, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PTU, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS3, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS3 + 1, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS3 + 2, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS3 + 5, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_CINTIQ, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_DTF, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20, HID_QUIRK_IGNORE },
|
|
|
|
{ USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR, HID_QUIRK_IGNORE },
|
|
{ USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302, HID_QUIRK_IGNORE },
|
|
|
|
{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM, HID_QUIRK_NOGET },
|
|
{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS124U, HID_QUIRK_NOGET },
|
|
{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET },
|
|
{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET },
|
|
{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET },
|
|
{ USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_KEYBOARD, HID_QUIRK_NOGET},
|
|
{ USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_USBHUB_KB, HID_QUIRK_NOGET},
|
|
{ USB_VENDOR_ID_HP, USB_DEVICE_ID_HP_USBHUB_KB, HID_QUIRK_NOGET },
|
|
{ USB_VENDOR_ID_TANGTOP, USB_DEVICE_ID_TANGTOP_USBPS2, HID_QUIRK_NOGET },
|
|
{ USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
|
|
|
|
{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_POWERMOUSE, HID_QUIRK_2WHEEL_POWERMOUSE },
|
|
{ USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU, HID_QUIRK_2WHEEL_MOUSE_HACK_7 },
|
|
{ USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE, HID_QUIRK_2WHEEL_MOUSE_HACK_5 },
|
|
|
|
{ USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_GAMEPAD, HID_QUIRK_BADPAD },
|
|
{ USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR, HID_QUIRK_BADPAD },
|
|
{ USB_VENDOR_ID_ALPS, USB_DEVICE_ID_IBM_GAMEPAD, HID_QUIRK_BADPAD },
|
|
{ USB_VENDOR_ID_CHIC, USB_DEVICE_ID_CHIC_GAMEPAD, HID_QUIRK_BADPAD },
|
|
{ USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_DRIVING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
|
|
{ USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FLYING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
|
|
{ USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FIGHTING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
|
|
{ USB_VENDOR_ID_NEC, USB_DEVICE_ID_NEC_USB_GAME_PAD, HID_QUIRK_BADPAD },
|
|
{ USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RUMBLEPAD, HID_QUIRK_BADPAD },
|
|
{ USB_VENDOR_ID_TOPMAX, USB_DEVICE_ID_TOPMAX_COBRAPAD, HID_QUIRK_BADPAD },
|
|
|
|
{ USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION, HID_QUIRK_CYMOTION },
|
|
|
|
{ USB_VENDOR_ID_APPLE, 0x020E, HID_QUIRK_POWERBOOK_HAS_FN },
|
|
{ USB_VENDOR_ID_APPLE, 0x020F, HID_QUIRK_POWERBOOK_HAS_FN },
|
|
{ USB_VENDOR_ID_APPLE, 0x0214, HID_QUIRK_POWERBOOK_HAS_FN },
|
|
{ USB_VENDOR_ID_APPLE, 0x0215, HID_QUIRK_POWERBOOK_HAS_FN },
|
|
{ USB_VENDOR_ID_APPLE, 0x0216, HID_QUIRK_POWERBOOK_HAS_FN },
|
|
{ USB_VENDOR_ID_APPLE, 0x030A, HID_QUIRK_POWERBOOK_HAS_FN },
|
|
{ USB_VENDOR_ID_APPLE, 0x030B, HID_QUIRK_POWERBOOK_HAS_FN },
|
|
|
|
{ 0, 0 }
|
|
};
|
|
|
|
/*
|
|
* Traverse the supplied list of reports and find the longest
|
|
*/
|
|
static void hid_find_max_report(struct hid_device *hid, unsigned int type, int *max)
|
|
{
|
|
struct hid_report *report;
|
|
int size;
|
|
|
|
list_for_each_entry(report, &hid->report_enum[type].report_list, list) {
|
|
size = ((report->size - 1) >> 3) + 1;
|
|
if (type == HID_INPUT_REPORT && hid->report_enum[type].numbered)
|
|
size++;
|
|
if (*max < size)
|
|
*max = size;
|
|
}
|
|
}
|
|
|
|
static int hid_alloc_buffers(struct usb_device *dev, struct hid_device *hid)
|
|
{
|
|
if (!(hid->inbuf = usb_buffer_alloc(dev, hid->bufsize, SLAB_ATOMIC, &hid->inbuf_dma)))
|
|
return -1;
|
|
if (!(hid->outbuf = usb_buffer_alloc(dev, hid->bufsize, SLAB_ATOMIC, &hid->outbuf_dma)))
|
|
return -1;
|
|
if (!(hid->cr = usb_buffer_alloc(dev, sizeof(*(hid->cr)), SLAB_ATOMIC, &hid->cr_dma)))
|
|
return -1;
|
|
if (!(hid->ctrlbuf = usb_buffer_alloc(dev, hid->bufsize, SLAB_ATOMIC, &hid->ctrlbuf_dma)))
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid)
|
|
{
|
|
if (hid->inbuf)
|
|
usb_buffer_free(dev, hid->bufsize, hid->inbuf, hid->inbuf_dma);
|
|
if (hid->outbuf)
|
|
usb_buffer_free(dev, hid->bufsize, hid->outbuf, hid->outbuf_dma);
|
|
if (hid->cr)
|
|
usb_buffer_free(dev, sizeof(*(hid->cr)), hid->cr, hid->cr_dma);
|
|
if (hid->ctrlbuf)
|
|
usb_buffer_free(dev, hid->bufsize, hid->ctrlbuf, hid->ctrlbuf_dma);
|
|
}
|
|
|
|
/*
|
|
* Cherry Cymotion keyboard have an invalid HID report descriptor,
|
|
* that needs fixing before we can parse it.
|
|
*/
|
|
|
|
static void hid_fixup_cymotion_descriptor(char *rdesc, int rsize)
|
|
{
|
|
if (rsize >= 17 && rdesc[11] == 0x3c && rdesc[12] == 0x02) {
|
|
info("Fixing up Cherry Cymotion report descriptor");
|
|
rdesc[11] = rdesc[16] = 0xff;
|
|
rdesc[12] = rdesc[17] = 0x03;
|
|
}
|
|
}
|
|
|
|
static struct hid_device *usb_hid_configure(struct usb_interface *intf)
|
|
{
|
|
struct usb_host_interface *interface = intf->cur_altsetting;
|
|
struct usb_device *dev = interface_to_usbdev (intf);
|
|
struct hid_descriptor *hdesc;
|
|
struct hid_device *hid;
|
|
unsigned quirks = 0, rsize = 0;
|
|
char *rdesc;
|
|
int n, len, insize = 0;
|
|
|
|
for (n = 0; hid_blacklist[n].idVendor; n++)
|
|
if ((hid_blacklist[n].idVendor == le16_to_cpu(dev->descriptor.idVendor)) &&
|
|
(hid_blacklist[n].idProduct == le16_to_cpu(dev->descriptor.idProduct)))
|
|
quirks = hid_blacklist[n].quirks;
|
|
|
|
if (quirks & HID_QUIRK_IGNORE)
|
|
return NULL;
|
|
|
|
if (usb_get_extra_descriptor(interface, HID_DT_HID, &hdesc) &&
|
|
(!interface->desc.bNumEndpoints ||
|
|
usb_get_extra_descriptor(&interface->endpoint[0], HID_DT_HID, &hdesc))) {
|
|
dbg("class descriptor not present\n");
|
|
return NULL;
|
|
}
|
|
|
|
for (n = 0; n < hdesc->bNumDescriptors; n++)
|
|
if (hdesc->desc[n].bDescriptorType == HID_DT_REPORT)
|
|
rsize = le16_to_cpu(hdesc->desc[n].wDescriptorLength);
|
|
|
|
if (!rsize || rsize > HID_MAX_DESCRIPTOR_SIZE) {
|
|
dbg("weird size of report descriptor (%u)", rsize);
|
|
return NULL;
|
|
}
|
|
|
|
if (!(rdesc = kmalloc(rsize, GFP_KERNEL))) {
|
|
dbg("couldn't allocate rdesc memory");
|
|
return NULL;
|
|
}
|
|
|
|
hid_set_idle(dev, interface->desc.bInterfaceNumber, 0, 0);
|
|
|
|
if ((n = hid_get_class_descriptor(dev, interface->desc.bInterfaceNumber, HID_DT_REPORT, rdesc, rsize)) < 0) {
|
|
dbg("reading report descriptor failed");
|
|
kfree(rdesc);
|
|
return NULL;
|
|
}
|
|
|
|
if ((quirks & HID_QUIRK_CYMOTION))
|
|
hid_fixup_cymotion_descriptor(rdesc, rsize);
|
|
|
|
#ifdef DEBUG_DATA
|
|
printk(KERN_DEBUG __FILE__ ": report descriptor (size %u, read %d) = ", rsize, n);
|
|
for (n = 0; n < rsize; n++)
|
|
printk(" %02x", (unsigned char) rdesc[n]);
|
|
printk("\n");
|
|
#endif
|
|
|
|
if (!(hid = hid_parse_report(rdesc, n))) {
|
|
dbg("parsing report descriptor failed");
|
|
kfree(rdesc);
|
|
return NULL;
|
|
}
|
|
|
|
kfree(rdesc);
|
|
hid->quirks = quirks;
|
|
|
|
hid->bufsize = HID_MIN_BUFFER_SIZE;
|
|
hid_find_max_report(hid, HID_INPUT_REPORT, &hid->bufsize);
|
|
hid_find_max_report(hid, HID_OUTPUT_REPORT, &hid->bufsize);
|
|
hid_find_max_report(hid, HID_FEATURE_REPORT, &hid->bufsize);
|
|
|
|
if (hid->bufsize > HID_MAX_BUFFER_SIZE)
|
|
hid->bufsize = HID_MAX_BUFFER_SIZE;
|
|
|
|
hid_find_max_report(hid, HID_INPUT_REPORT, &insize);
|
|
|
|
if (insize > HID_MAX_BUFFER_SIZE)
|
|
insize = HID_MAX_BUFFER_SIZE;
|
|
|
|
if (hid_alloc_buffers(dev, hid)) {
|
|
hid_free_buffers(dev, hid);
|
|
goto fail;
|
|
}
|
|
|
|
for (n = 0; n < interface->desc.bNumEndpoints; n++) {
|
|
|
|
struct usb_endpoint_descriptor *endpoint;
|
|
int pipe;
|
|
int interval;
|
|
|
|
endpoint = &interface->endpoint[n].desc;
|
|
if ((endpoint->bmAttributes & 3) != 3) /* Not an interrupt endpoint */
|
|
continue;
|
|
|
|
interval = endpoint->bInterval;
|
|
|
|
/* Change the polling interval of mice. */
|
|
if (hid->collection->usage == HID_GD_MOUSE && hid_mousepoll_interval > 0)
|
|
interval = hid_mousepoll_interval;
|
|
|
|
if (endpoint->bEndpointAddress & USB_DIR_IN) {
|
|
if (hid->urbin)
|
|
continue;
|
|
if (!(hid->urbin = usb_alloc_urb(0, GFP_KERNEL)))
|
|
goto fail;
|
|
pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
|
|
usb_fill_int_urb(hid->urbin, dev, pipe, hid->inbuf, insize,
|
|
hid_irq_in, hid, interval);
|
|
hid->urbin->transfer_dma = hid->inbuf_dma;
|
|
hid->urbin->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
|
|
} else {
|
|
if (hid->urbout)
|
|
continue;
|
|
if (!(hid->urbout = usb_alloc_urb(0, GFP_KERNEL)))
|
|
goto fail;
|
|
pipe = usb_sndintpipe(dev, endpoint->bEndpointAddress);
|
|
usb_fill_int_urb(hid->urbout, dev, pipe, hid->outbuf, 0,
|
|
hid_irq_out, hid, interval);
|
|
hid->urbout->transfer_dma = hid->outbuf_dma;
|
|
hid->urbout->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
|
|
}
|
|
}
|
|
|
|
if (!hid->urbin) {
|
|
err("couldn't find an input interrupt endpoint");
|
|
goto fail;
|
|
}
|
|
|
|
init_waitqueue_head(&hid->wait);
|
|
|
|
spin_lock_init(&hid->outlock);
|
|
spin_lock_init(&hid->ctrllock);
|
|
|
|
hid->version = le16_to_cpu(hdesc->bcdHID);
|
|
hid->country = hdesc->bCountryCode;
|
|
hid->dev = dev;
|
|
hid->intf = intf;
|
|
hid->ifnum = interface->desc.bInterfaceNumber;
|
|
|
|
hid->name[0] = 0;
|
|
|
|
if (dev->manufacturer)
|
|
strlcpy(hid->name, dev->manufacturer, sizeof(hid->name));
|
|
|
|
if (dev->product) {
|
|
if (dev->manufacturer)
|
|
strlcat(hid->name, " ", sizeof(hid->name));
|
|
strlcat(hid->name, dev->product, sizeof(hid->name));
|
|
}
|
|
|
|
if (!strlen(hid->name))
|
|
snprintf(hid->name, sizeof(hid->name), "HID %04x:%04x",
|
|
le16_to_cpu(dev->descriptor.idVendor),
|
|
le16_to_cpu(dev->descriptor.idProduct));
|
|
|
|
usb_make_path(dev, hid->phys, sizeof(hid->phys));
|
|
strlcat(hid->phys, "/input", sizeof(hid->phys));
|
|
len = strlen(hid->phys);
|
|
if (len < sizeof(hid->phys) - 1)
|
|
snprintf(hid->phys + len, sizeof(hid->phys) - len,
|
|
"%d", intf->altsetting[0].desc.bInterfaceNumber);
|
|
|
|
if (usb_string(dev, dev->descriptor.iSerialNumber, hid->uniq, 64) <= 0)
|
|
hid->uniq[0] = 0;
|
|
|
|
hid->urbctrl = usb_alloc_urb(0, GFP_KERNEL);
|
|
if (!hid->urbctrl)
|
|
goto fail;
|
|
|
|
usb_fill_control_urb(hid->urbctrl, dev, 0, (void *) hid->cr,
|
|
hid->ctrlbuf, 1, hid_ctrl, hid);
|
|
hid->urbctrl->setup_dma = hid->cr_dma;
|
|
hid->urbctrl->transfer_dma = hid->ctrlbuf_dma;
|
|
hid->urbctrl->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP);
|
|
|
|
return hid;
|
|
|
|
fail:
|
|
|
|
if (hid->urbin)
|
|
usb_free_urb(hid->urbin);
|
|
if (hid->urbout)
|
|
usb_free_urb(hid->urbout);
|
|
if (hid->urbctrl)
|
|
usb_free_urb(hid->urbctrl);
|
|
hid_free_buffers(dev, hid);
|
|
hid_free_device(hid);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void hid_disconnect(struct usb_interface *intf)
|
|
{
|
|
struct hid_device *hid = usb_get_intfdata (intf);
|
|
|
|
if (!hid)
|
|
return;
|
|
|
|
usb_set_intfdata(intf, NULL);
|
|
usb_kill_urb(hid->urbin);
|
|
usb_kill_urb(hid->urbout);
|
|
usb_kill_urb(hid->urbctrl);
|
|
|
|
if (hid->claimed & HID_CLAIMED_INPUT)
|
|
hidinput_disconnect(hid);
|
|
if (hid->claimed & HID_CLAIMED_HIDDEV)
|
|
hiddev_disconnect(hid);
|
|
|
|
usb_free_urb(hid->urbin);
|
|
usb_free_urb(hid->urbctrl);
|
|
if (hid->urbout)
|
|
usb_free_urb(hid->urbout);
|
|
|
|
hid_free_buffers(hid->dev, hid);
|
|
hid_free_device(hid);
|
|
}
|
|
|
|
static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id)
|
|
{
|
|
struct hid_device *hid;
|
|
char path[64];
|
|
int i;
|
|
char *c;
|
|
|
|
dbg("HID probe called for ifnum %d",
|
|
intf->altsetting->desc.bInterfaceNumber);
|
|
|
|
if (!(hid = usb_hid_configure(intf)))
|
|
return -ENODEV;
|
|
|
|
hid_init_reports(hid);
|
|
hid_dump_device(hid);
|
|
|
|
if (!hidinput_connect(hid))
|
|
hid->claimed |= HID_CLAIMED_INPUT;
|
|
if (!hiddev_connect(hid))
|
|
hid->claimed |= HID_CLAIMED_HIDDEV;
|
|
|
|
usb_set_intfdata(intf, hid);
|
|
|
|
if (!hid->claimed) {
|
|
printk ("HID device not claimed by input or hiddev\n");
|
|
hid_disconnect(intf);
|
|
return -ENODEV;
|
|
}
|
|
|
|
printk(KERN_INFO);
|
|
|
|
if (hid->claimed & HID_CLAIMED_INPUT)
|
|
printk("input");
|
|
if (hid->claimed == (HID_CLAIMED_INPUT | HID_CLAIMED_HIDDEV))
|
|
printk(",");
|
|
if (hid->claimed & HID_CLAIMED_HIDDEV)
|
|
printk("hiddev%d", hid->minor);
|
|
|
|
c = "Device";
|
|
for (i = 0; i < hid->maxcollection; i++) {
|
|
if (hid->collection[i].type == HID_COLLECTION_APPLICATION &&
|
|
(hid->collection[i].usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
|
|
(hid->collection[i].usage & 0xffff) < ARRAY_SIZE(hid_types)) {
|
|
c = hid_types[hid->collection[i].usage & 0xffff];
|
|
break;
|
|
}
|
|
}
|
|
|
|
usb_make_path(interface_to_usbdev(intf), path, 63);
|
|
|
|
printk(": USB HID v%x.%02x %s [%s] on %s\n",
|
|
hid->version >> 8, hid->version & 0xff, c, hid->name, path);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int hid_suspend(struct usb_interface *intf, pm_message_t message)
|
|
{
|
|
struct hid_device *hid = usb_get_intfdata (intf);
|
|
|
|
usb_kill_urb(hid->urbin);
|
|
dev_dbg(&intf->dev, "suspend\n");
|
|
return 0;
|
|
}
|
|
|
|
static int hid_resume(struct usb_interface *intf)
|
|
{
|
|
struct hid_device *hid = usb_get_intfdata (intf);
|
|
int status;
|
|
|
|
if (hid->open)
|
|
status = usb_submit_urb(hid->urbin, GFP_NOIO);
|
|
else
|
|
status = 0;
|
|
dev_dbg(&intf->dev, "resume status %d\n", status);
|
|
return status;
|
|
}
|
|
|
|
static struct usb_device_id hid_usb_ids [] = {
|
|
{ .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS,
|
|
.bInterfaceClass = USB_INTERFACE_CLASS_HID },
|
|
{ } /* Terminating entry */
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE (usb, hid_usb_ids);
|
|
|
|
static struct usb_driver hid_driver = {
|
|
.name = "usbhid",
|
|
.probe = hid_probe,
|
|
.disconnect = hid_disconnect,
|
|
.suspend = hid_suspend,
|
|
.resume = hid_resume,
|
|
.id_table = hid_usb_ids,
|
|
};
|
|
|
|
static int __init hid_init(void)
|
|
{
|
|
int retval;
|
|
retval = hiddev_init();
|
|
if (retval)
|
|
goto hiddev_init_fail;
|
|
retval = usb_register(&hid_driver);
|
|
if (retval)
|
|
goto usb_register_fail;
|
|
info(DRIVER_VERSION ":" DRIVER_DESC);
|
|
|
|
return 0;
|
|
usb_register_fail:
|
|
hiddev_exit();
|
|
hiddev_init_fail:
|
|
return retval;
|
|
}
|
|
|
|
static void __exit hid_exit(void)
|
|
{
|
|
usb_deregister(&hid_driver);
|
|
hiddev_exit();
|
|
}
|
|
|
|
module_init(hid_init);
|
|
module_exit(hid_exit);
|
|
|
|
MODULE_AUTHOR(DRIVER_AUTHOR);
|
|
MODULE_DESCRIPTION(DRIVER_DESC);
|
|
MODULE_LICENSE(DRIVER_LICENSE);
|