hid-core.c 47.1 KB
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/*
 *  USB HID support for Linux
 *
 *  Copyright (c) 1999 Andreas Gal
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 *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
 *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
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 *  Copyright (c) 2006 Jiri Kosina
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 */

/*
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 */

#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>

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#include <linux/hid.h>
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#include <linux/hiddev.h>
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#include "usbhid.h"
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/*
 * Version Information
 */

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#define DRIVER_VERSION "v2.6"
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#define DRIVER_AUTHOR "Andreas Gal, Vojtech Pavlik"
#define DRIVER_DESC "USB HID core driver"
#define DRIVER_LICENSE "GPL"

static char *hid_types[] = {"Device", "Pointer", "Mouse", "Device", "Joystick",
				"Gamepad", "Keyboard", "Keypad", "Multi-Axis Controller"};
/*
 * 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");

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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)");

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/*
 * Input submission and I/O error handler.
 */

static void hid_io_error(struct hid_device *hid);

/* Start up the input URB */
static int hid_start_in(struct hid_device *hid)
{
	unsigned long flags;
	int rc = 0;
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	struct usbhid_device *usbhid = hid->driver_data;
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	spin_lock_irqsave(&usbhid->inlock, flags);
	if (hid->open > 0 && !test_bit(HID_SUSPENDED, &usbhid->iofl) &&
			!test_and_set_bit(HID_IN_RUNNING, &usbhid->iofl)) {
		rc = usb_submit_urb(usbhid->urbin, GFP_ATOMIC);
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		if (rc != 0)
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			clear_bit(HID_IN_RUNNING, &usbhid->iofl);
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	}
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	spin_unlock_irqrestore(&usbhid->inlock, flags);
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	return rc;
}

/* I/O retry timer routine */
static void hid_retry_timeout(unsigned long _hid)
{
	struct hid_device *hid = (struct hid_device *) _hid;
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	struct usbhid_device *usbhid = hid->driver_data;
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	dev_dbg(&usbhid->intf->dev, "retrying intr urb\n");
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	if (hid_start_in(hid))
		hid_io_error(hid);
}

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/* Workqueue routine to reset the device or clear a halt */
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static void hid_reset(struct work_struct *work)
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{
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	struct usbhid_device *usbhid =
		container_of(work, struct usbhid_device, reset_work);
	struct hid_device *hid = usbhid->hid;
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	int rc_lock, rc = 0;

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	if (test_bit(HID_CLEAR_HALT, &usbhid->iofl)) {
		dev_dbg(&usbhid->intf->dev, "clear halt\n");
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		rc = usb_clear_halt(hid_to_usb_dev(hid), usbhid->urbin->pipe);
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		clear_bit(HID_CLEAR_HALT, &usbhid->iofl);
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		hid_start_in(hid);
	}

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	else if (test_bit(HID_RESET_PENDING, &usbhid->iofl)) {
		dev_dbg(&usbhid->intf->dev, "resetting device\n");
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		rc = rc_lock = usb_lock_device_for_reset(hid_to_usb_dev(hid), usbhid->intf);
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		if (rc_lock >= 0) {
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			rc = usb_reset_composite_device(hid_to_usb_dev(hid), usbhid->intf);
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			if (rc_lock)
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				usb_unlock_device(hid_to_usb_dev(hid));
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		}
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		clear_bit(HID_RESET_PENDING, &usbhid->iofl);
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	}

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	switch (rc) {
	case 0:
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		if (!test_bit(HID_IN_RUNNING, &usbhid->iofl))
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			hid_io_error(hid);
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		break;
	default:
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		err("can't reset device, %s-%s/input%d, status %d",
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				hid_to_usb_dev(hid)->bus->bus_name,
				hid_to_usb_dev(hid)->devpath,
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				usbhid->ifnum, rc);
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		/* FALLTHROUGH */
	case -EHOSTUNREACH:
	case -ENODEV:
	case -EINTR:
		break;
	}
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}

/* Main I/O error handler */
static void hid_io_error(struct hid_device *hid)
{
	unsigned long flags;
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	struct usbhid_device *usbhid = hid->driver_data;
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	spin_lock_irqsave(&usbhid->inlock, flags);
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	/* Stop when disconnected */
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	if (usb_get_intfdata(usbhid->intf) == NULL)
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		goto done;

	/* When an error occurs, retry at increasing intervals */
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	if (usbhid->retry_delay == 0) {
		usbhid->retry_delay = 13;	/* Then 26, 52, 104, 104, ... */
		usbhid->stop_retry = jiffies + msecs_to_jiffies(1000);
	} else if (usbhid->retry_delay < 100)
		usbhid->retry_delay *= 2;
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	if (time_after(jiffies, usbhid->stop_retry)) {
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		/* Retries failed, so do a port reset */
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		if (!test_and_set_bit(HID_RESET_PENDING, &usbhid->iofl)) {
			schedule_work(&usbhid->reset_work);
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			goto done;
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		}
	}

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	mod_timer(&usbhid->io_retry,
			jiffies + msecs_to_jiffies(usbhid->retry_delay));
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done:
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	spin_unlock_irqrestore(&usbhid->inlock, flags);
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}

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/*
 * Input interrupt completion handler.
 */

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static void hid_irq_in(struct urb *urb)
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{
	struct hid_device	*hid = urb->context;
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	struct usbhid_device 	*usbhid = hid->driver_data;
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	int			status;

	switch (urb->status) {
		case 0:			/* success */
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			usbhid->retry_delay = 0;
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			hid_input_report(urb->context, HID_INPUT_REPORT,
					 urb->transfer_buffer,
					 urb->actual_length, 1);
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			break;
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		case -EPIPE:		/* stall */
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			clear_bit(HID_IN_RUNNING, &usbhid->iofl);
			set_bit(HID_CLEAR_HALT, &usbhid->iofl);
			schedule_work(&usbhid->reset_work);
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			return;
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		case -ECONNRESET:	/* unlink */
		case -ENOENT:
		case -ESHUTDOWN:	/* unplug */
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			clear_bit(HID_IN_RUNNING, &usbhid->iofl);
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			return;
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		case -EILSEQ:		/* protocol error or unplug */
		case -EPROTO:		/* protocol error or unplug */
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		case -ETIME:		/* protocol error or unplug */
		case -ETIMEDOUT:	/* Should never happen, but... */
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			clear_bit(HID_IN_RUNNING, &usbhid->iofl);
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			hid_io_error(hid);
			return;
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		default:		/* error */
			warn("input irq status %d received", urb->status);
	}

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	status = usb_submit_urb(urb, GFP_ATOMIC);
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	if (status) {
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		clear_bit(HID_IN_RUNNING, &usbhid->iofl);
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		if (status != -EPERM) {
			err("can't resubmit intr, %s-%s/input%d, status %d",
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					hid_to_usb_dev(hid)->bus->bus_name,
					hid_to_usb_dev(hid)->devpath,
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					usbhid->ifnum, status);
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			hid_io_error(hid);
		}
	}
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}

/*
 * Find a report field with a specified HID usage.
 */
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#if 0
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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;
}
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#endif  /*  0  */
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static int hid_submit_out(struct hid_device *hid)
{
	struct hid_report *report;
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	struct usbhid_device *usbhid = hid->driver_data;
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	report = usbhid->out[usbhid->outtail];
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	hid_output_report(report, usbhid->outbuf);
	usbhid->urbout->transfer_buffer_length = ((report->size - 1) >> 3) + 1 + (report->id > 0);
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	usbhid->urbout->dev = hid_to_usb_dev(hid);
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	dbg("submitting out urb");

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	if (usb_submit_urb(usbhid->urbout, GFP_ATOMIC)) {
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		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;
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	struct usbhid_device *usbhid = hid->driver_data;
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	report = usbhid->ctrl[usbhid->ctrltail].report;
	dir = usbhid->ctrl[usbhid->ctrltail].dir;
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	len = ((report->size - 1) >> 3) + 1 + (report->id > 0);
	if (dir == USB_DIR_OUT) {
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		hid_output_report(report, usbhid->ctrlbuf);
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		usbhid->urbctrl->pipe = usb_sndctrlpipe(hid_to_usb_dev(hid), 0);
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		usbhid->urbctrl->transfer_buffer_length = len;
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	} else {
		int maxpacket, padlen;

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		usbhid->urbctrl->pipe = usb_rcvctrlpipe(hid_to_usb_dev(hid), 0);
		maxpacket = usb_maxpacket(hid_to_usb_dev(hid), usbhid->urbctrl->pipe, 0);
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		if (maxpacket > 0) {
			padlen = (len + maxpacket - 1) / maxpacket;
			padlen *= maxpacket;
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			if (padlen > usbhid->bufsize)
				padlen = usbhid->bufsize;
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		} else
			padlen = 0;
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		usbhid->urbctrl->transfer_buffer_length = padlen;
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	}
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	usbhid->urbctrl->dev = hid_to_usb_dev(hid);
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	usbhid->cr->bRequestType = USB_TYPE_CLASS | USB_RECIP_INTERFACE | dir;
	usbhid->cr->bRequest = (dir == USB_DIR_OUT) ? HID_REQ_SET_REPORT : HID_REQ_GET_REPORT;
	usbhid->cr->wValue = cpu_to_le16(((report->type + 1) << 8) | report->id);
	usbhid->cr->wIndex = cpu_to_le16(usbhid->ifnum);
	usbhid->cr->wLength = cpu_to_le16(len);
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	dbg("submitting ctrl urb: %s wValue=0x%04x wIndex=0x%04x wLength=%u",
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		usbhid->cr->bRequest == HID_REQ_SET_REPORT ? "Set_Report" : "Get_Report",
		usbhid->cr->wValue, usbhid->cr->wIndex, usbhid->cr->wLength);
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	if (usb_submit_urb(usbhid->urbctrl, GFP_ATOMIC)) {
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		err("usb_submit_urb(ctrl) failed");
		return -1;
	}

	return 0;
}

/*
 * Output interrupt completion handler.
 */

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static void hid_irq_out(struct urb *urb)
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{
	struct hid_device *hid = urb->context;
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	struct usbhid_device *usbhid = hid->driver_data;
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	unsigned long flags;
	int unplug = 0;

	switch (urb->status) {
		case 0:			/* success */
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			break;
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		case -ESHUTDOWN:	/* unplug */
			unplug = 1;
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		case -EILSEQ:		/* protocol error or unplug */
		case -EPROTO:		/* protocol error or unplug */
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		case -ECONNRESET:	/* unlink */
		case -ENOENT:
			break;
		default:		/* error */
			warn("output irq status %d received", urb->status);
	}

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	spin_lock_irqsave(&usbhid->outlock, flags);
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	if (unplug)
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		usbhid->outtail = usbhid->outhead;
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	else
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		usbhid->outtail = (usbhid->outtail + 1) & (HID_OUTPUT_FIFO_SIZE - 1);
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	if (usbhid->outhead != usbhid->outtail) {
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		if (hid_submit_out(hid)) {
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			clear_bit(HID_OUT_RUNNING, &usbhid->iofl);
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			wake_up(&hid->wait);
		}
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		spin_unlock_irqrestore(&usbhid->outlock, flags);
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		return;
	}

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	clear_bit(HID_OUT_RUNNING, &usbhid->iofl);
	spin_unlock_irqrestore(&usbhid->outlock, flags);
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	wake_up(&hid->wait);
}

/*
 * Control pipe completion handler.
 */

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static void hid_ctrl(struct urb *urb)
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{
	struct hid_device *hid = urb->context;
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	struct usbhid_device *usbhid = hid->driver_data;
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	unsigned long flags;
	int unplug = 0;

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	spin_lock_irqsave(&usbhid->ctrllock, flags);
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	switch (urb->status) {
		case 0:			/* success */
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			if (usbhid->ctrl[usbhid->ctrltail].dir == USB_DIR_IN)
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				hid_input_report(urb->context, usbhid->ctrl[usbhid->ctrltail].report->type,
						urb->transfer_buffer, urb->actual_length, 0);
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			break;
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		case -ESHUTDOWN:	/* unplug */
			unplug = 1;
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		case -EILSEQ:		/* protocol error or unplug */
		case -EPROTO:		/* protocol error or unplug */
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		case -ECONNRESET:	/* unlink */
		case -ENOENT:
		case -EPIPE:		/* report not available */
			break;
		default:		/* error */
			warn("ctrl urb status %d received", urb->status);
	}

	if (unplug)
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		usbhid->ctrltail = usbhid->ctrlhead;
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	else
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		usbhid->ctrltail = (usbhid->ctrltail + 1) & (HID_CONTROL_FIFO_SIZE - 1);
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	if (usbhid->ctrlhead != usbhid->ctrltail) {
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		if (hid_submit_ctrl(hid)) {
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			clear_bit(HID_CTRL_RUNNING, &usbhid->iofl);
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			wake_up(&hid->wait);
		}
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		spin_unlock_irqrestore(&usbhid->ctrllock, flags);
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		return;
	}

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	clear_bit(HID_CTRL_RUNNING, &usbhid->iofl);
	spin_unlock_irqrestore(&usbhid->ctrllock, flags);
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	wake_up(&hid->wait);
}

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void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir)
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{
	int head;
	unsigned long flags;
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	struct usbhid_device *usbhid = hid->driver_data;
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	if ((hid->quirks & HID_QUIRK_NOGET) && dir == USB_DIR_IN)
		return;

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	if (usbhid->urbout && dir == USB_DIR_OUT && report->type == HID_OUTPUT_REPORT) {
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		spin_lock_irqsave(&usbhid->outlock, flags);
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		if ((head = (usbhid->outhead + 1) & (HID_OUTPUT_FIFO_SIZE - 1)) == usbhid->outtail) {
			spin_unlock_irqrestore(&usbhid->outlock, flags);
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			warn("output queue full");
			return;
		}

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		usbhid->out[usbhid->outhead] = report;
		usbhid->outhead = head;
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		if (!test_and_set_bit(HID_OUT_RUNNING, &usbhid->iofl))
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			if (hid_submit_out(hid))
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				clear_bit(HID_OUT_RUNNING, &usbhid->iofl);
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		spin_unlock_irqrestore(&usbhid->outlock, flags);
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		return;
	}

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	spin_lock_irqsave(&usbhid->ctrllock, flags);
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	if ((head = (usbhid->ctrlhead + 1) & (HID_CONTROL_FIFO_SIZE - 1)) == usbhid->ctrltail) {
		spin_unlock_irqrestore(&usbhid->ctrllock, flags);
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		warn("control queue full");
		return;
	}

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	usbhid->ctrl[usbhid->ctrlhead].report = report;
	usbhid->ctrl[usbhid->ctrlhead].dir = dir;
	usbhid->ctrlhead = head;
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	if (!test_and_set_bit(HID_CTRL_RUNNING, &usbhid->iofl))
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		if (hid_submit_ctrl(hid))
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			clear_bit(HID_CTRL_RUNNING, &usbhid->iofl);
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	spin_unlock_irqrestore(&usbhid->ctrllock, flags);
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}

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static int usb_hidinput_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
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{
	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);
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	usbhid_submit_report(hid, field->report, USB_DIR_OUT);
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	return 0;
}

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int usbhid_wait_io(struct hid_device *hid)
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{
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	struct usbhid_device *usbhid = hid->driver_data;

	if (!wait_event_timeout(hid->wait, (!test_bit(HID_CTRL_RUNNING, &usbhid->iofl) &&
					!test_bit(HID_OUT_RUNNING, &usbhid->iofl)),
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					10*HZ)) {
		dbg("timeout waiting for ctrl or out queue to clear");
		return -1;
	}

	return 0;
}

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static int hid_set_idle(struct usb_device *dev, int ifnum, int report, int idle)
{
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	return usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
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		HID_REQ_SET_IDLE, USB_TYPE_CLASS | USB_RECIP_INTERFACE, (idle << 8) | report,
		ifnum, NULL, 0, USB_CTRL_SET_TIMEOUT);
}

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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;
}

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int usbhid_open(struct hid_device *hid)
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{
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	++hid->open;
	if (hid_start_in(hid))
		hid_io_error(hid);
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	return 0;
}

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void usbhid_close(struct hid_device *hid)
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{
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	struct usbhid_device *usbhid = hid->driver_data;

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	if (!--hid->open)
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		usb_kill_urb(usbhid->urbin);
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}

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static int hidinput_open(struct input_dev *dev)
{
	struct hid_device *hid = dev->private;
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	return usbhid_open(hid);
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}

static void hidinput_close(struct input_dev *dev)
{
	struct hid_device *hid = dev->private;
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	usbhid_close(hid);
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}

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#define USB_VENDOR_ID_PANJIT		0x134c

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#define USB_VENDOR_ID_TURBOX		0x062a
#define USB_DEVICE_ID_TURBOX_KEYBOARD	0x0201

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/*
 * Initialize all reports
 */

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void usbhid_init_reports(struct hid_device *hid)
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{
	struct hid_report *report;
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	struct usbhid_device *usbhid = hid->driver_data;
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	int err, ret;

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	list_for_each_entry(report, &hid->report_enum[HID_INPUT_REPORT].report_list, list)
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		usbhid_submit_report(hid, report, USB_DIR_IN);
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	list_for_each_entry(report, &hid->report_enum[HID_FEATURE_REPORT].report_list, list)
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		usbhid_submit_report(hid, report, USB_DIR_IN);
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	err = 0;
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	ret = usbhid_wait_io(hid);
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	while (ret) {
		err |= ret;
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		if (test_bit(HID_CTRL_RUNNING, &usbhid->iofl))
			usb_kill_urb(usbhid->urbctrl);
		if (test_bit(HID_OUT_RUNNING, &usbhid->iofl))
			usb_kill_urb(usbhid->urbout);
		ret = usbhid_wait_io(hid);
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	}

	if (err)
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		warn("timeout initializing reports");
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}

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#define USB_VENDOR_ID_GTCO		0x078c
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#define USB_VENDOR_ID_GTCO_IPANEL_1	0x08ca
#define USB_VENDOR_ID_GTCO_IPANEL_2     0x5543
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#define USB_DEVICE_ID_GTCO_90		0x0090
#define USB_DEVICE_ID_GTCO_100		0x0100
#define USB_DEVICE_ID_GTCO_101		0x0101
#define USB_DEVICE_ID_GTCO_103		0x0103
#define USB_DEVICE_ID_GTCO_104		0x0104
#define USB_DEVICE_ID_GTCO_105		0x0105
#define USB_DEVICE_ID_GTCO_106		0x0106
#define USB_DEVICE_ID_GTCO_107		0x0107
#define USB_DEVICE_ID_GTCO_108		0x0108
#define USB_DEVICE_ID_GTCO_200		0x0200
#define USB_DEVICE_ID_GTCO_201		0x0201
#define USB_DEVICE_ID_GTCO_202		0x0202
#define USB_DEVICE_ID_GTCO_203		0x0203
#define USB_DEVICE_ID_GTCO_204		0x0204
#define USB_DEVICE_ID_GTCO_205		0x0205
#define USB_DEVICE_ID_GTCO_206		0x0206
#define USB_DEVICE_ID_GTCO_207		0x0207
#define USB_DEVICE_ID_GTCO_300		0x0300
#define USB_DEVICE_ID_GTCO_301		0x0301
#define USB_DEVICE_ID_GTCO_302		0x0302
#define USB_DEVICE_ID_GTCO_303		0x0303
#define USB_DEVICE_ID_GTCO_304		0x0304
#define USB_DEVICE_ID_GTCO_305		0x0305
#define USB_DEVICE_ID_GTCO_306		0x0306
#define USB_DEVICE_ID_GTCO_307		0x0307
#define USB_DEVICE_ID_GTCO_308		0x0308
#define USB_DEVICE_ID_GTCO_309		0x0309
#define USB_DEVICE_ID_GTCO_400		0x0400
#define USB_DEVICE_ID_GTCO_401		0x0401
#define USB_DEVICE_ID_GTCO_402		0x0402
#define USB_DEVICE_ID_GTCO_403		0x0403
#define USB_DEVICE_ID_GTCO_404		0x0404
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#define USB_DEVICE_ID_GTCO_405		0x0405
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#define USB_DEVICE_ID_GTCO_500		0x0500
#define USB_DEVICE_ID_GTCO_501		0x0501
#define USB_DEVICE_ID_GTCO_502		0x0502
#define USB_DEVICE_ID_GTCO_503		0x0503
#define USB_DEVICE_ID_GTCO_504		0x0504
#define USB_DEVICE_ID_GTCO_1000		0x1000
#define USB_DEVICE_ID_GTCO_1001		0x1001
#define USB_DEVICE_ID_GTCO_1002		0x1002
#define USB_DEVICE_ID_GTCO_1003		0x1003
#define USB_DEVICE_ID_GTCO_1004		0x1004
#define USB_DEVICE_ID_GTCO_1005		0x1005
#define USB_DEVICE_ID_GTCO_1006		0x1006
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#define USB_DEVICE_ID_GTCO_10		0x0010
#define USB_DEVICE_ID_GTCO_8		0x0008
#define USB_DEVICE_ID_GTCO_d            0x000d
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#define USB_VENDOR_ID_WACOM		0x056a

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#define USB_VENDOR_ID_ACECAD		0x0460
#define USB_DEVICE_ID_ACECAD_FLAIR	0x0004
#define USB_DEVICE_ID_ACECAD_302	0x0008

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#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_ESSENTIAL_REALITY	0x0d7f
#define USB_DEVICE_ID_ESSENTIAL_REALITY_P5 0x0100

#define USB_VENDOR_ID_A4TECH		0x09da
#define USB_DEVICE_ID_A4TECH_WCP32PU	0x0006

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#define USB_VENDOR_ID_AASHIMA		0x06d6
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#define USB_DEVICE_ID_AASHIMA_GAMEPAD	0x0025
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#define USB_DEVICE_ID_AASHIMA_PREDATOR	0x0026
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#define USB_VENDOR_ID_CYPRESS		0x04b4
#define USB_DEVICE_ID_CYPRESS_MOUSE	0x0001
#define USB_DEVICE_ID_CYPRESS_HIDCOM	0x5500
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#define USB_DEVICE_ID_CYPRESS_ULTRAMOUSE	0x7417
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#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_0_0_4_IF_KIT	0x0040
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#define USB_DEVICE_ID_0_16_16_IF_KIT	0x0044
#define USB_DEVICE_ID_8_8_8_IF_KIT	0x0045
#define USB_DEVICE_ID_0_8_7_IF_KIT	0x0051
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#define USB_DEVICE_ID_0_8_8_IF_KIT	0x0053
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#define USB_DEVICE_ID_PHIDGET_MOTORCONTROL	0x0058
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#define USB_VENDOR_ID_WISEGROUP		0x0925
#define USB_DEVICE_ID_1_PHIDGETSERVO_20	0x8101
#define USB_DEVICE_ID_4_PHIDGETSERVO_20	0x8104
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#define USB_DEVICE_ID_8_8_4_IF_KIT	0x8201
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#define USB_DEVICE_ID_DUAL_USB_JOYPAD   0x8866
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#define USB_VENDOR_ID_WISEGROUP_LTD	0x6677
#define USB_DEVICE_ID_SMARTJOY_DUAL_PLUS 0x8802

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#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
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#define USB_DEVICE_ID_DELORME_EM_LT20	0x0200
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#define USB_VENDOR_ID_MCC		0x09db
#define USB_DEVICE_ID_MCC_PMD1024LS	0x0076
#define USB_DEVICE_ID_MCC_PMD1208LS	0x007a

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#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

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#define USB_VENDOR_ID_LD		0x0f11
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#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
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#define USB_VENDOR_ID_APPLE		0x05ac
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#define USB_DEVICE_ID_APPLE_MIGHTYMOUSE	0x0304
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#define USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI	0x020e
#define USB_DEVICE_ID_APPLE_FOUNTAIN_ISO	0x020f
#define USB_DEVICE_ID_APPLE_GEYSER_ANSI	0x0214
#define USB_DEVICE_ID_APPLE_GEYSER_ISO	0x0215
#define USB_DEVICE_ID_APPLE_GEYSER_JIS	0x0216
#define USB_DEVICE_ID_APPLE_GEYSER3_ANSI	0x0217
#define USB_DEVICE_ID_APPLE_GEYSER3_ISO	0x0218
#define USB_DEVICE_ID_APPLE_GEYSER3_JIS	0x0219
#define USB_DEVICE_ID_APPLE_GEYSER4_ANSI	0x021a
#define USB_DEVICE_ID_APPLE_GEYSER4_ISO	0x021b
#define USB_DEVICE_ID_APPLE_GEYSER4_JIS	0x021c
#define USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY	0x030a
#define USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY	0x030b
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#define USB_VENDOR_ID_CHERRY		0x046a
#define USB_DEVICE_ID_CHERRY_CYMOTION	0x0023

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#define USB_VENDOR_ID_YEALINK		0x6993
#define USB_DEVICE_ID_YEALINK_P1K_P4K_B2K	0xb001
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#define USB_VENDOR_ID_ALCOR		0x058f
#define USB_DEVICE_ID_ALCOR_USBRS232	0x9720

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#define USB_VENDOR_ID_SUN		0x0430
#define USB_DEVICE_ID_RARITAN_KVM_DONGLE	0xcdab

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#define USB_VENDOR_ID_AIRCABLE		0x16CA
#define USB_DEVICE_ID_AIRCABLE1		0x1502

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#define USB_VENDOR_ID_LOGITECH		0x046d
#define USB_DEVICE_ID_LOGITECH_USB_RECEIVER	0xc101

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#define USB_VENDOR_ID_IMATION		0x0718
#define USB_DEVICE_ID_DISC_STAKKA	0xd000

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/*
 * Alphabetically sorted blacklist by quirk type.
 */

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static const struct hid_blacklist {
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	__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 },
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	{ USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1, HID_QUIRK_IGNORE },
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	{ USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232, HID_QUIRK_IGNORE },
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	{ 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 },
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	{ USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE, HID_QUIRK_IGNORE },
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	{ USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE, HID_QUIRK_IGNORE },
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	{ USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20, HID_QUIRK_IGNORE },
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	{ 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_0_0_4_IF_KIT, HID_QUIRK_IGNORE },
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	{ USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT, 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_8_7_IF_KIT, HID_QUIRK_IGNORE },
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Linus Torvalds 已提交
837
	{ USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT, HID_QUIRK_IGNORE },
838
	{ USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL, HID_QUIRK_IGNORE },
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839 840
	{ USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB, HID_QUIRK_IGNORE },
841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404, HID_QUIRK_IGNORE },
873
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405, HID_QUIRK_IGNORE },
874 875 876 877 878 879 880 881 882 883 884 885
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006, HID_QUIRK_IGNORE },
886 887 888
	{ USB_VENDOR_ID_GTCO_IPANEL_1, USB_DEVICE_ID_GTCO_10, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO_IPANEL_2, USB_DEVICE_ID_GTCO_8, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_GTCO_IPANEL_2, USB_DEVICE_ID_GTCO_d, HID_QUIRK_IGNORE },
889
	{ USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA, HID_QUIRK_IGNORE },
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Linus Torvalds 已提交
890
	{ USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO, HID_QUIRK_IGNORE },
891 892 893 894 895 896 897 898 899 900 901 902 903 904
	{ 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 },
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Linus Torvalds 已提交
905 906 907 908 909
	{ 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 },
910 911
	{ USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30, HID_QUIRK_IGNORE },
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Linus Torvalds 已提交
912
	{ USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100, HID_QUIRK_IGNORE },
913 914
	{ USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118, HID_QUIRK_IGNORE },
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	{ 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 },
919 920 921 922
	{ 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 },
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	{ 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 },
925
	{ USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT, HID_QUIRK_IGNORE },
926
	{ USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K, HID_QUIRK_IGNORE },
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Linus Torvalds 已提交
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928 929 930
	{ USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302, HID_QUIRK_IGNORE },

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	{ 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 },
936
	{ USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET },
937
	{ USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
938
	{ USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
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Linus Torvalds 已提交
939

940
	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE, HID_QUIRK_MIGHTYMOUSE | HID_QUIRK_INVERT_HWHEEL },
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	{ 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 },

944
	{ USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_GAMEPAD, HID_QUIRK_BADPAD },
945
	{ USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR, HID_QUIRK_BADPAD },
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946 947 948 949 950 951 952 953 954
	{ 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 },

955 956
	{ USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION, HID_QUIRK_CYMOTION },

957 958 959 960 961 962 963 964 965
	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI, HID_QUIRK_POWERBOOK_HAS_FN },
	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO, HID_QUIRK_POWERBOOK_HAS_FN },
	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI, HID_QUIRK_POWERBOOK_HAS_FN },
	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_POWERBOOK_ISO_KEYBOARD},
	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS, HID_QUIRK_POWERBOOK_HAS_FN },
	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI, HID_QUIRK_POWERBOOK_HAS_FN },
	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_POWERBOOK_ISO_KEYBOARD},
	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS, HID_QUIRK_POWERBOOK_HAS_FN },
	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI, HID_QUIRK_POWERBOOK_HAS_FN },
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Adrian Friedli 已提交
966
	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_POWERBOOK_ISO_KEYBOARD},
967 968 969
	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS, HID_QUIRK_POWERBOOK_HAS_FN },
	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY, HID_QUIRK_POWERBOOK_HAS_FN },
	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY, HID_QUIRK_POWERBOOK_HAS_FN },
970

971 972 973 974 975
	{ USB_VENDOR_ID_PANJIT, 0x0001, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_PANJIT, 0x0002, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_PANJIT, 0x0003, HID_QUIRK_IGNORE },
	{ USB_VENDOR_ID_PANJIT, 0x0004, HID_QUIRK_IGNORE },

976
	{ USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET },
977 978 979

	{ USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_USB_RECEIVER, HID_QUIRK_BAD_RELATIVE_KEYS },

L
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	{ 0, 0 }
};

983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999
/*
 * 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;
	}
}

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static int hid_alloc_buffers(struct usb_device *dev, struct hid_device *hid)
{
J
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	struct usbhid_device *usbhid = hid->driver_data;

	if (!(usbhid->inbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->inbuf_dma)))
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		return -1;
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Jiri Kosina 已提交
1006
	if (!(usbhid->outbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->outbuf_dma)))
L
Linus Torvalds 已提交
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		return -1;
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1008
	if (!(usbhid->cr = usb_buffer_alloc(dev, sizeof(*(usbhid->cr)), GFP_ATOMIC, &usbhid->cr_dma)))
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1009
		return -1;
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1010
	if (!(usbhid->ctrlbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->ctrlbuf_dma)))
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		return -1;

	return 0;
}

static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid)
{
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	struct usbhid_device *usbhid = hid->driver_data;

	if (usbhid->inbuf)
		usb_buffer_free(dev, usbhid->bufsize, usbhid->inbuf, usbhid->inbuf_dma);
	if (usbhid->outbuf)
		usb_buffer_free(dev, usbhid->bufsize, usbhid->outbuf, usbhid->outbuf_dma);
	if (usbhid->cr)
		usb_buffer_free(dev, sizeof(*(usbhid->cr)), usbhid->cr, usbhid->cr_dma);
	if (usbhid->ctrlbuf)
		usb_buffer_free(dev, usbhid->bufsize, usbhid->ctrlbuf, usbhid->ctrlbuf_dma);
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}

1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043
/*
 * 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;
	}
}

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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;
1051 1052
	char *rdesc;
	int n, len, insize = 0;
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Jiri Kosina 已提交
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	struct usbhid_device *usbhid;
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1055
        /* Ignore all Wacom devices */
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        if (le16_to_cpu(dev->descriptor.idVendor) == USB_VENDOR_ID_WACOM)
1057 1058
                return NULL;

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	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;

1064 1065 1066 1067 1068 1069 1070 1071
	/* Many keyboards and mice don't like to be polled for reports,
	 * so we will always set the HID_QUIRK_NOGET flag for them. */
	if (interface->desc.bInterfaceSubClass == USB_INTERFACE_SUBCLASS_BOOT) {
		if (interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_KEYBOARD ||
			interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE)
				quirks |= HID_QUIRK_NOGET;
	}

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	if (quirks & HID_QUIRK_IGNORE)
		return NULL;

1075 1076 1077 1078 1079
	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;
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	}

	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;
	}

1096 1097
	hid_set_idle(dev, interface->desc.bInterfaceNumber, 0, 0);

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1098 1099 1100 1101 1102 1103
	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;
	}

1104 1105 1106
	if ((quirks & HID_QUIRK_CYMOTION))
		hid_fixup_cymotion_descriptor(rdesc, rsize);

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#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;

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	if (!(usbhid = kzalloc(sizeof(struct usbhid_device), GFP_KERNEL)))
		goto fail;

	hid->driver_data = usbhid;
	usbhid->hid = hid;

	usbhid->bufsize = HID_MIN_BUFFER_SIZE;
	hid_find_max_report(hid, HID_INPUT_REPORT, &usbhid->bufsize);
	hid_find_max_report(hid, HID_OUTPUT_REPORT, &usbhid->bufsize);
	hid_find_max_report(hid, HID_FEATURE_REPORT, &usbhid->bufsize);
1133

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	if (usbhid->bufsize > HID_MAX_BUFFER_SIZE)
		usbhid->bufsize = HID_MAX_BUFFER_SIZE;
1136 1137 1138 1139 1140 1141

	hid_find_max_report(hid, HID_INPUT_REPORT, &insize);

	if (insize > HID_MAX_BUFFER_SIZE)
		insize = HID_MAX_BUFFER_SIZE;

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	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;
1162

1163
		if (usb_endpoint_dir_in(endpoint)) {
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			if (usbhid->urbin)
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				continue;
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			if (!(usbhid->urbin = usb_alloc_urb(0, GFP_KERNEL)))
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				goto fail;
			pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
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			usb_fill_int_urb(usbhid->urbin, dev, pipe, usbhid->inbuf, insize,
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					 hid_irq_in, hid, interval);
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			usbhid->urbin->transfer_dma = usbhid->inbuf_dma;
			usbhid->urbin->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
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		} else {
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			if (usbhid->urbout)
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				continue;
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			if (!(usbhid->urbout = usb_alloc_urb(0, GFP_KERNEL)))
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				goto fail;
			pipe = usb_sndintpipe(dev, endpoint->bEndpointAddress);
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			usb_fill_int_urb(usbhid->urbout, dev, pipe, usbhid->outbuf, 0,
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					 hid_irq_out, hid, interval);
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			usbhid->urbout->transfer_dma = usbhid->outbuf_dma;
			usbhid->urbout->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
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		}
	}

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	if (!usbhid->urbin) {
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		err("couldn't find an input interrupt endpoint");
		goto fail;
	}

	init_waitqueue_head(&hid->wait);

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	INIT_WORK(&usbhid->reset_work, hid_reset);
	setup_timer(&usbhid->io_retry, hid_retry_timeout, (unsigned long) hid);
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	spin_lock_init(&usbhid->inlock);
	spin_lock_init(&usbhid->outlock);
	spin_lock_init(&usbhid->ctrllock);
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	hid->version = le16_to_cpu(hdesc->bcdHID);
	hid->country = hdesc->bCountryCode;
1202
	hid->dev = &intf->dev;
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	usbhid->intf = intf;
	usbhid->ifnum = interface->desc.bInterfaceNumber;
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	hid->name[0] = 0;

1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220
	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));
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	hid->bus = BUS_USB;
	hid->vendor = dev->descriptor.idVendor;
	hid->product = dev->descriptor.idProduct;

1226 1227 1228 1229 1230 1231
	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);
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	if (usb_string(dev, dev->descriptor.iSerialNumber, hid->uniq, 64) <= 0)
		hid->uniq[0] = 0;

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	usbhid->urbctrl = usb_alloc_urb(0, GFP_KERNEL);
	if (!usbhid->urbctrl)
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		goto fail;
1239

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	usb_fill_control_urb(usbhid->urbctrl, dev, 0, (void *) usbhid->cr,
			     usbhid->ctrlbuf, 1, hid_ctrl, hid);
	usbhid->urbctrl->setup_dma = usbhid->cr_dma;
	usbhid->urbctrl->transfer_dma = usbhid->ctrlbuf_dma;
	usbhid->urbctrl->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP);
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	hid->hidinput_input_event = usb_hidinput_input_event;
	hid->hidinput_open = hidinput_open;
	hid->hidinput_close = hidinput_close;
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#ifdef CONFIG_USB_HIDDEV
	hid->hiddev_hid_event = hiddev_hid_event;
1250
	hid->hiddev_report_event = hiddev_report_event;
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#endif
1252 1253 1254
#ifdef CONFIG_USB_HIDINPUT_POWERBOOK
	hid->pb_fnmode = usbhid_pb_fnmode;
#endif
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	return hid;

fail:
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	usb_free_urb(usbhid->urbin);
	usb_free_urb(usbhid->urbout);
	usb_free_urb(usbhid->urbctrl);
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	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);
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	struct usbhid_device *usbhid;
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	if (!hid)
		return;

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	usbhid = hid->driver_data;

	spin_lock_irq(&usbhid->inlock);	/* Sync with error handler */
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1279
	usb_set_intfdata(intf, NULL);
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	spin_unlock_irq(&usbhid->inlock);
	usb_kill_urb(usbhid->urbin);
	usb_kill_urb(usbhid->urbout);
	usb_kill_urb(usbhid->urbctrl);
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1285
	del_timer_sync(&usbhid->io_retry);
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	flush_scheduled_work();

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	if (hid->claimed & HID_CLAIMED_INPUT)
		hidinput_disconnect(hid);
	if (hid->claimed & HID_CLAIMED_HIDDEV)
		hiddev_disconnect(hid);

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	usb_free_urb(usbhid->urbin);
	usb_free_urb(usbhid->urbctrl);
	usb_free_urb(usbhid->urbout);
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1297
	hid_free_buffers(hid_to_usb_dev(hid), hid);
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	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)))
1312
		return -ENODEV;
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1314
	usbhid_init_reports(hid);
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1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326
	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);
1327
		return -ENODEV;
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1328 1329
	}

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1330 1331 1332 1333 1334 1335 1336
	/* 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 ((hid->claimed & HID_CLAIMED_INPUT) &&
			!(hid->quirks & HID_QUIRK_MULTI_INPUT))
		hid_ff_init(hid);

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1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363
	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;
}

1364
static int hid_suspend(struct usb_interface *intf, pm_message_t message)
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1365 1366
{
	struct hid_device *hid = usb_get_intfdata (intf);
J
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1367
	struct usbhid_device *usbhid = hid->driver_data;
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1368

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1369 1370 1371 1372 1373
	spin_lock_irq(&usbhid->inlock);	/* Sync with error handler */
	set_bit(HID_SUSPENDED, &usbhid->iofl);
	spin_unlock_irq(&usbhid->inlock);
	del_timer(&usbhid->io_retry);
	usb_kill_urb(usbhid->urbin);
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	dev_dbg(&intf->dev, "suspend\n");
	return 0;
}

static int hid_resume(struct usb_interface *intf)
{
	struct hid_device *hid = usb_get_intfdata (intf);
J
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1381
	struct usbhid_device *usbhid = hid->driver_data;
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1382 1383
	int status;

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1384 1385
	clear_bit(HID_SUSPENDED, &usbhid->iofl);
	usbhid->retry_delay = 0;
A
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1386
	status = hid_start_in(hid);
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1387 1388 1389 1390
	dev_dbg(&intf->dev, "resume status %d\n", status);
	return status;
}

1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407
/* Treat USB reset pretty much the same as suspend/resume */
static void hid_pre_reset(struct usb_interface *intf)
{
	/* FIXME: What if the interface is already suspended? */
	hid_suspend(intf, PMSG_ON);
}

static void hid_post_reset(struct usb_interface *intf)
{
	struct usb_device *dev = interface_to_usbdev (intf);

	hid_set_idle(dev, intf->cur_altsetting->desc.bInterfaceNumber, 0, 0);
	/* FIXME: Any more reinitialization needed? */

	hid_resume(intf);
}

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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,
1422 1423
	.pre_reset =	hid_pre_reset,
	.post_reset =	hid_post_reset,
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	.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);