Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jikos/hid

* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jikos/hid: (21 commits)
  USB HID: don't warn on idVendor == 0
  USB HID: add 'quirks' module parameter
  USB HID: add support for dynamically-created quirks
  USB HID: clarify static quirk handling as squirks
  USB HID: encapsulate quirk handling into hid-quirks.c
  USB HID: EMS USBII device needs HID_QUIRK_MULTI_INPUT
  HID: update copyright and authorship macro
  HID: introduce proper zeroing of unused bits in output reports
  USB HID: add support for WiseGroup MP-8800 Quad Joypad
  USB HID: add FF support for Logitech Force 3D Pro Joystick
  USB HID: numlock quirk for dell W7658 keyboard
  USB HID: Logitech MX3000 keyboard needs report descriptor quirk
  USB HID: extend quirk for Logitech S510 keyboard
  USB HID: usbkbd/usbmouse - handle errors when registering devices
  USB HID: add QUIRK_HIDDEV for Belkin Flip KVM
  HID: enable dead keys on a belkin wireless keyboard
  USB HID: Thustmaster firestorm dual power v1 support
  USB HID: specify explicit size for hid_blacklist.quirks
  USB HID: fix retry & reset logic
  USB HID: consolidate vendor/product ids
  ...

18 files changed, 5531 insertions, 3 deletions

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 850788f4dd2e..8fbe9fdac128 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -36,5 +36,7 @@ config HID_DEBUG
 
 	If unsure, say N
 
+source "drivers/hid/usbhid/Kconfig"
+
 endmenu
 
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index 52e97d8f3c95..68d1376a53fb 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -6,3 +6,7 @@ hid-objs			:= hid-core.o hid-input.o
 obj-$(CONFIG_HID)		+= hid.o
 hid-$(CONFIG_HID_DEBUG)		+= hid-debug.o
 
+obj-$(CONFIG_USB_HID)		+= usbhid/
+obj-$(CONFIG_USB_MOUSE)		+= usbhid/
+obj-$(CONFIG_USB_KBD)		+= usbhid/
+
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 1cca32f46947..62e21cc73938 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -4,7 +4,7 @@
  *  Copyright (c) 1999 Andreas Gal
  *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
  *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
- *  Copyright (c) 2006 Jiri Kosina
+ *  Copyright (c) 2006-2007 Jiri Kosina
  */
 
 /*
@@ -37,7 +37,7 @@
  */
 
 #define DRIVER_VERSION "v2.6"
-#define DRIVER_AUTHOR "Andreas Gal, Vojtech Pavlik"
+#define DRIVER_AUTHOR "Andreas Gal, Vojtech Pavlik, Jiri Kosina"
 #define DRIVER_DESC "HID core driver"
 #define DRIVER_LICENSE "GPL"
 
@@ -872,8 +872,13 @@ 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 bitsused = offset + count * size;
 	unsigned n;
 
+	/* make sure the unused bits in the last byte are zeros */
+	if (count > 0 && size > 0 && (bitsused % 8) != 0)
+		data[(bitsused-1)/8] &= (1 << (bitsused % 8)) - 1;
+
 	for (n = 0; n < count; n++) {
 		if (field->logical_minimum < 0)	/* signed values */
 			implement(data, offset + n * size, size, s32ton(field->value[n], size));
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index c8434023ba65..a19b65ed3119 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -431,6 +431,15 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 				case 0x000: goto ignore;
 				case 0x034: map_key_clear(KEY_SLEEP);		break;
 				case 0x036: map_key_clear(BTN_MISC);		break;
+				/*
+				 * The next three are reported by Belkin wireless
+				 * keyboard (1020:0006). These values are "reserved"
+				 * in HUT 1.12.
+				 */
+				case 0x03a: map_key_clear(KEY_SOUND);           break;
+				case 0x03b: map_key_clear(KEY_CAMERA);          break;
+				case 0x03c: map_key_clear(KEY_DOCUMENTS);       break;
+
 				case 0x040: map_key_clear(KEY_MENU);		break;
 				case 0x045: map_key_clear(KEY_RADIO);		break;
 
@@ -531,10 +540,26 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 				case 0x302: map_key_clear(KEY_PROG2);		break;
 				case 0x303: map_key_clear(KEY_PROG3);		break;
 
-				/* Reported on Logitech S510 wireless keyboard */
+				/* Reported on certain Logitech wireless keyboards */
+				case 0x1001: map_key_clear(KEY_MESSENGER);	break;
+				case 0x1003: map_key_clear(KEY_SOUND);		break;
+				case 0x1004: map_key_clear(KEY_VIDEO);		break;
+				case 0x1005: map_key_clear(KEY_AUDIO);		break;
+				case 0x100a: map_key_clear(KEY_DOCUMENTS);	break;
+				case 0x1011: map_key_clear(KEY_PREVIOUSSONG);	break;
+				case 0x1012: map_key_clear(KEY_NEXTSONG);	break;
+				case 0x1013: map_key_clear(KEY_CAMERA);		break;
+				case 0x1014: map_key_clear(KEY_MESSENGER);	break;
+				case 0x1015: map_key_clear(KEY_RECORD);		break;
+				case 0x1016: map_key_clear(KEY_PLAYER);		break;
+				case 0x1017: map_key_clear(KEY_EJECTCD);	break;
+				case 0x1019: map_key_clear(KEY_PROG1);		break;
+				case 0x101a: map_key_clear(KEY_PROG2);		break;
+				case 0x101b: map_key_clear(KEY_PROG3);		break;
 				case 0x101f: map_key_clear(KEY_ZOOMIN);		break;
 				case 0x1020: map_key_clear(KEY_ZOOMOUT);	break;
 				case 0x1021: map_key_clear(KEY_ZOOMRESET);	break;
+				case 0x1023: map_key_clear(KEY_CLOSE);		break;
 				/* this one is marked as 'Rotate' */
 				case 0x1028: map_key_clear(KEY_ANGLE);		break;
 				case 0x1029: map_key_clear(KEY_SHUFFLE);	break;
diff --git a/drivers/hid/usbhid/Kconfig b/drivers/hid/usbhid/Kconfig
new file mode 100644
index 000000000000..7c87bdc538bc
--- /dev/null
+++ b/drivers/hid/usbhid/Kconfig
@@ -0,0 +1,149 @@
+comment "USB Input Devices"
+	depends on USB
+
+config USB_HID
+	tristate "USB Human Interface Device (full HID) support"
+	default y
+	depends on USB && INPUT
+	select HID
+	---help---
+	  Say Y here if you want full HID support to connect USB keyboards,
+	  mice, joysticks, graphic tablets, or any other HID based devices
+	  to your computer via USB, as well as Uninterruptible Power Supply
+	  (UPS) and monitor control devices.
+
+	  You can't use this driver and the HIDBP (Boot Protocol) keyboard
+	  and mouse drivers at the same time. More information is available:
+	  <file:Documentation/input/input.txt>.
+
+	  If unsure, say Y.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called usbhid.
+
+comment "Input core support is needed for USB HID input layer or HIDBP support"
+	depends on USB_HID && INPUT=n
+
+config USB_HIDINPUT_POWERBOOK
+	bool "Enable support for iBook/PowerBook special keys"
+	default n
+	depends on USB_HID
+	help
+	  Say Y here if you want support for the special keys (Fn, Numlock) on
+	  Apple iBooks and PowerBooks.
+
+	  If unsure, say N.
+
+config HID_FF
+	bool "Force feedback support (EXPERIMENTAL)"
+	depends on USB_HID && EXPERIMENTAL
+	help
+	  Say Y here is you want force feedback support for a few HID devices.
+	  See below for a list of supported devices.
+
+	  See <file:Documentation/input/ff.txt> for a description of the force
+	  feedback API.
+
+	  If unsure, say N.
+
+config HID_PID
+	bool "PID device support"
+	depends on HID_FF
+	help
+	  Say Y here if you have a PID-compliant device and wish to enable force
+	  feedback for it. Microsoft Sidewinder Force Feedback 2 is one of such
+	  devices.
+
+config LOGITECH_FF
+	bool "Logitech devices support"
+	depends on HID_FF
+	select INPUT_FF_MEMLESS if USB_HID
+	help
+	  Say Y here if you have one of these devices:
+	  - Logitech WingMan Cordless RumblePad
+	  - Logitech WingMan Cordless RumblePad 2
+	  - Logitech WingMan Force 3D
+	  - Logitech Formula Force EX
+	  - Logitech MOMO Force wheel
+
+	  and if you want to enable force feedback for them.
+	  Note: if you say N here, this device will still be supported, but without
+	  force feedback.
+
+config PANTHERLORD_FF
+	bool "PantherLord USB/PS2 2in1 Adapter support"
+	depends on HID_FF
+	select INPUT_FF_MEMLESS if USB_HID
+	help
+	  Say Y here if you have a PantherLord USB/PS2 2in1 Adapter and want
+	  to enable force feedback support for it.
+
+config THRUSTMASTER_FF
+	bool "ThrustMaster FireStorm Dual Power 2 support (EXPERIMENTAL)"
+	depends on HID_FF && EXPERIMENTAL
+	select INPUT_FF_MEMLESS if USB_HID
+	help
+	  Say Y here if you have a THRUSTMASTER FireStore Dual Power 2,
+	  and want to enable force feedback support for it.
+	  Note: if you say N here, this device will still be supported, but without
+	  force feedback.
+
+config ZEROPLUS_FF
+	bool "Zeroplus based game controller support"
+	depends on HID_FF
+	select INPUT_FF_MEMLESS if USB_HID
+	help
+	  Say Y here if you have a Zeroplus based game controller and want to
+	  enable force feedback for it.
+
+config USB_HIDDEV
+	bool "/dev/hiddev raw HID device support"
+	depends on USB_HID
+	help
+	  Say Y here if you want to support HID devices (from the USB
+	  specification standpoint) that aren't strictly user interface
+	  devices, like monitor controls and Uninterruptable Power Supplies.
+
+	  This module supports these devices separately using a separate
+	  event interface on /dev/usb/hiddevX (char 180:96 to 180:111).
+
+	  If unsure, say Y.
+
+menu "USB HID Boot Protocol drivers"
+	depends on USB!=n && USB_HID!=y
+
+config USB_KBD
+	tristate "USB HIDBP Keyboard (simple Boot) support"
+	depends on USB && INPUT
+	---help---
+	  Say Y here only if you are absolutely sure that you don't want
+	  to use the generic HID driver for your USB keyboard and prefer
+	  to use the keyboard in its limited Boot Protocol mode instead.
+
+	  This is almost certainly not what you want.  This is mostly
+	  useful for embedded applications or simple keyboards.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called usbkbd.
+
+	  If even remotely unsure, say N.
+
+config USB_MOUSE
+	tristate "USB HIDBP Mouse (simple Boot) support"
+	depends on USB && INPUT
+	---help---
+	  Say Y here only if you are absolutely sure that you don't want
+	  to use the generic HID driver for your USB mouse and prefer
+	  to use the mouse in its limited Boot Protocol mode instead.
+
+	  This is almost certainly not what you want.  This is mostly
+	  useful for embedded applications or simple mice.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called usbmouse.
+
+	  If even remotely unsure, say N.
+
+endmenu
+
+
diff --git a/drivers/hid/usbhid/Makefile b/drivers/hid/usbhid/Makefile
new file mode 100644
index 000000000000..8e6ab5b164a2
--- /dev/null
+++ b/drivers/hid/usbhid/Makefile
@@ -0,0 +1,35 @@
+#
+# Makefile for the USB input drivers
+#
+
+# Multipart objects.
+usbhid-objs	:= hid-core.o hid-quirks.o
+
+# Optional parts of multipart objects.
+
+ifeq ($(CONFIG_USB_HIDDEV),y)
+	usbhid-objs	+= hiddev.o
+endif
+ifeq ($(CONFIG_HID_PID),y)
+	usbhid-objs	+= hid-pidff.o
+endif
+ifeq ($(CONFIG_LOGITECH_FF),y)
+	usbhid-objs	+= hid-lgff.o
+endif
+ifeq ($(CONFIG_PANTHERLORD_FF),y)
+	usbhid-objs	+= hid-plff.o
+endif
+ifeq ($(CONFIG_THRUSTMASTER_FF),y)
+	usbhid-objs	+= hid-tmff.o
+endif
+ifeq ($(CONFIG_ZEROPLUS_FF),y)
+	usbhid-objs	+= hid-zpff.o
+endif
+ifeq ($(CONFIG_HID_FF),y)
+	usbhid-objs	+= hid-ff.o
+endif
+
+obj-$(CONFIG_USB_HID)		+= usbhid.o
+obj-$(CONFIG_USB_KBD)		+= usbkbd.o
+obj-$(CONFIG_USB_MOUSE)		+= usbmouse.o
+
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
new file mode 100644
index 000000000000..91d610358d57
--- /dev/null
+++ b/drivers/hid/usbhid/hid-core.c
@@ -0,0 +1,1114 @@
+/*
+ *  USB HID support for Linux
+ *
+ *  Copyright (c) 1999 Andreas Gal
+ *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
+ *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
+ *  Copyright (c) 2006-2007 Jiri Kosina
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/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>
+
+#include <linux/usb.h>
+
+#include <linux/hid.h>
+#include <linux/hiddev.h>
+#include <linux/hid-debug.h>
+#include "usbhid.h"
+
+/*
+ * Version Information
+ */
+
+#define DRIVER_VERSION "v2.6"
+#define DRIVER_AUTHOR "Andreas Gal, Vojtech Pavlik, Jiri Kosina"
+#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");
+
+/* Quirks specified at module load time */
+static char *quirks_param[MAX_USBHID_BOOT_QUIRKS] = { [ 0 ... (MAX_USBHID_BOOT_QUIRKS - 1) ] = NULL };
+module_param_array_named(quirks, quirks_param, charp, NULL, 0444);
+MODULE_PARM_DESC(quirks, "Add/modify USB HID quirks by specifying "
+		" quirks=vendorID:productID:quirks"
+		" where vendorID, productID, and quirks are all in"
+		" 0x-prefixed hex");
+/*
+ * 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;
+	struct usbhid_device *usbhid = hid->driver_data;
+
+	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);
+		if (rc != 0)
+			clear_bit(HID_IN_RUNNING, &usbhid->iofl);
+	}
+	spin_unlock_irqrestore(&usbhid->inlock, flags);
+	return rc;
+}
+
+/* I/O retry timer routine */
+static void hid_retry_timeout(unsigned long _hid)
+{
+	struct hid_device *hid = (struct hid_device *) _hid;
+	struct usbhid_device *usbhid = hid->driver_data;
+
+	dev_dbg(&usbhid->intf->dev, "retrying intr urb\n");
+	if (hid_start_in(hid))
+		hid_io_error(hid);
+}
+
+/* Workqueue routine to reset the device or clear a halt */
+static void hid_reset(struct work_struct *work)
+{
+	struct usbhid_device *usbhid =
+		container_of(work, struct usbhid_device, reset_work);
+	struct hid_device *hid = usbhid->hid;
+	int rc_lock, rc = 0;
+
+	if (test_bit(HID_CLEAR_HALT, &usbhid->iofl)) {
+		dev_dbg(&usbhid->intf->dev, "clear halt\n");
+		rc = usb_clear_halt(hid_to_usb_dev(hid), usbhid->urbin->pipe);
+		clear_bit(HID_CLEAR_HALT, &usbhid->iofl);
+		hid_start_in(hid);
+	}
+
+	else if (test_bit(HID_RESET_PENDING, &usbhid->iofl)) {
+		dev_dbg(&usbhid->intf->dev, "resetting device\n");
+		rc = rc_lock = usb_lock_device_for_reset(hid_to_usb_dev(hid), usbhid->intf);
+		if (rc_lock >= 0) {
+			rc = usb_reset_composite_device(hid_to_usb_dev(hid), usbhid->intf);
+			if (rc_lock)
+				usb_unlock_device(hid_to_usb_dev(hid));
+		}
+		clear_bit(HID_RESET_PENDING, &usbhid->iofl);
+	}
+
+	switch (rc) {
+	case 0:
+		if (!test_bit(HID_IN_RUNNING, &usbhid->iofl))
+			hid_io_error(hid);
+		break;
+	default:
+		err("can't reset device, %s-%s/input%d, status %d",
+				hid_to_usb_dev(hid)->bus->bus_name,
+				hid_to_usb_dev(hid)->devpath,
+				usbhid->ifnum, rc);
+		/* FALLTHROUGH */
+	case -EHOSTUNREACH:
+	case -ENODEV:
+	case -EINTR:
+		break;
+	}
+}
+
+/* Main I/O error handler */
+static void hid_io_error(struct hid_device *hid)
+{
+	unsigned long flags;
+	struct usbhid_device *usbhid = hid->driver_data;
+
+	spin_lock_irqsave(&usbhid->inlock, flags);
+
+	/* Stop when disconnected */
+	if (usb_get_intfdata(usbhid->intf) == NULL)
+		goto done;
+
+	/* If it has been a while since the last error, we'll assume
+	 * this a brand new error and reset the retry timeout. */
+	if (time_after(jiffies, usbhid->stop_retry + HZ/2))
+		usbhid->retry_delay = 0;
+
+	/* When an error occurs, retry at increasing intervals */
+	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;
+
+	if (time_after(jiffies, usbhid->stop_retry)) {
+
+		/* Retries failed, so do a port reset */
+		if (!test_and_set_bit(HID_RESET_PENDING, &usbhid->iofl)) {
+			schedule_work(&usbhid->reset_work);
+			goto done;
+		}
+	}
+
+	mod_timer(&usbhid->io_retry,
+			jiffies + msecs_to_jiffies(usbhid->retry_delay));
+done:
+	spin_unlock_irqrestore(&usbhid->inlock, flags);
+}
+
+/*
+ * Input interrupt completion handler.
+ */
+
+static void hid_irq_in(struct urb *urb)
+{
+	struct hid_device	*hid = urb->context;
+	struct usbhid_device 	*usbhid = hid->driver_data;
+	int			status;
+
+	switch (urb->status) {
+		case 0:			/* success */
+			usbhid->retry_delay = 0;
+			hid_input_report(urb->context, HID_INPUT_REPORT,
+					 urb->transfer_buffer,
+					 urb->actual_length, 1);
+			break;
+		case -EPIPE:		/* stall */
+			clear_bit(HID_IN_RUNNING, &usbhid->iofl);
+			set_bit(HID_CLEAR_HALT, &usbhid->iofl);
+			schedule_work(&usbhid->reset_work);
+			return;
+		case -ECONNRESET:	/* unlink */
+		case -ENOENT:
+		case -ESHUTDOWN:	/* unplug */
+			clear_bit(HID_IN_RUNNING, &usbhid->iofl);
+			return;
+		case -EILSEQ:		/* protocol error or unplug */
+		case -EPROTO:		/* protocol error or unplug */
+		case -ETIME:		/* protocol error or unplug */
+		case -ETIMEDOUT:	/* Should never happen, but... */
+			clear_bit(HID_IN_RUNNING, &usbhid->iofl);
+			hid_io_error(hid);
+			return;
+		default:		/* error */
+			warn("input irq status %d received", urb->status);
+	}
+
+	status = usb_submit_urb(urb, GFP_ATOMIC);
+	if (status) {
+		clear_bit(HID_IN_RUNNING, &usbhid->iofl);
+		if (status != -EPERM) {
+			err("can't resubmit intr, %s-%s/input%d, status %d",
+					hid_to_usb_dev(hid)->bus->bus_name,
+					hid_to_usb_dev(hid)->devpath,
+					usbhid->ifnum, status);
+			hid_io_error(hid);
+		}
+	}
+}
+
+static int hid_submit_out(struct hid_device *hid)
+{
+	struct hid_report *report;
+	struct usbhid_device *usbhid = hid->driver_data;
+
+	report = usbhid->out[usbhid->outtail];
+
+	hid_output_report(report, usbhid->outbuf);
+	usbhid->urbout->transfer_buffer_length = ((report->size - 1) >> 3) + 1 + (report->id > 0);
+	usbhid->urbout->dev = hid_to_usb_dev(hid);
+
+	dbg("submitting out urb");
+
+	if (usb_submit_urb(usbhid->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;
+	struct usbhid_device *usbhid = hid->driver_data;
+
+	report = usbhid->ctrl[usbhid->ctrltail].report;
+	dir = usbhid->ctrl[usbhid->ctrltail].dir;
+
+	len = ((report->size - 1) >> 3) + 1 + (report->id > 0);
+	if (dir == USB_DIR_OUT) {
+		hid_output_report(report, usbhid->ctrlbuf);
+		usbhid->urbctrl->pipe = usb_sndctrlpipe(hid_to_usb_dev(hid), 0);
+		usbhid->urbctrl->transfer_buffer_length = len;
+	} else {
+		int maxpacket, padlen;
+
+		usbhid->urbctrl->pipe = usb_rcvctrlpipe(hid_to_usb_dev(hid), 0);
+		maxpacket = usb_maxpacket(hid_to_usb_dev(hid), usbhid->urbctrl->pipe, 0);
+		if (maxpacket > 0) {
+			padlen = (len + maxpacket - 1) / maxpacket;
+			padlen *= maxpacket;
+			if (padlen > usbhid->bufsize)
+				padlen = usbhid->bufsize;
+		} else
+			padlen = 0;
+		usbhid->urbctrl->transfer_buffer_length = padlen;
+	}
+	usbhid->urbctrl->dev = hid_to_usb_dev(hid);
+
+	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);
+
+	dbg("submitting ctrl urb: %s wValue=0x%04x wIndex=0x%04x wLength=%u",
+		usbhid->cr->bRequest == HID_REQ_SET_REPORT ? "Set_Report" : "Get_Report",
+		usbhid->cr->wValue, usbhid->cr->wIndex, usbhid->cr->wLength);
+
+	if (usb_submit_urb(usbhid->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 hid_device *hid = urb->context;
+	struct usbhid_device *usbhid = hid->driver_data;
+	unsigned long flags;
+	int unplug = 0;
+
+	switch (urb->status) {
+		case 0:			/* success */
+			break;
+		case -ESHUTDOWN:	/* unplug */
+			unplug = 1;
+		case -EILSEQ:		/* protocol error or unplug */
+		case -EPROTO:		/* protocol error or unplug */
+		case -ECONNRESET:	/* unlink */
+		case -ENOENT:
+			break;
+		default:		/* error */
+			warn("output irq status %d received", urb->status);
+	}
+
+	spin_lock_irqsave(&usbhid->outlock, flags);
+
+	if (unplug)
+		usbhid->outtail = usbhid->outhead;
+	else
+		usbhid->outtail = (usbhid->outtail + 1) & (HID_OUTPUT_FIFO_SIZE - 1);
+
+	if (usbhid->outhead != usbhid->outtail) {
+		if (hid_submit_out(hid)) {
+			clear_bit(HID_OUT_RUNNING, &usbhid->iofl);
+			wake_up(&hid->wait);
+		}
+		spin_unlock_irqrestore(&usbhid->outlock, flags);
+		return;
+	}
+
+	clear_bit(HID_OUT_RUNNING, &usbhid->iofl);
+	spin_unlock_irqrestore(&usbhid->outlock, flags);
+	wake_up(&hid->wait);
+}
+
+/*
+ * Control pipe completion handler.
+ */
+
+static void hid_ctrl(struct urb *urb)
+{
+	struct hid_device *hid = urb->context;
+	struct usbhid_device *usbhid = hid->driver_data;
+	unsigned long flags;
+	int unplug = 0;
+
+	spin_lock_irqsave(&usbhid->ctrllock, flags);
+
+	switch (urb->status) {
+		case 0:			/* success */
+			if (usbhid->ctrl[usbhid->ctrltail].dir == USB_DIR_IN)
+				hid_input_report(urb->context, usbhid->ctrl[usbhid->ctrltail].report->type,
+						urb->transfer_buffer, urb->actual_length, 0);
+			break;
+		case -ESHUTDOWN:	/* unplug */
+			unplug = 1;
+		case -EILSEQ:		/* protocol error or unplug */
+		case -EPROTO:		/* protocol error or unplug */
+		case -ECONNRESET:	/* unlink */
+		case -ENOENT:
+		case -EPIPE:		/* report not available */
+			break;
+		default:		/* error */
+			warn("ctrl urb status %d received", urb->status);
+	}
+
+	if (unplug)
+		usbhid->ctrltail = usbhid->ctrlhead;
+	else
+		usbhid->ctrltail = (usbhid->ctrltail + 1) & (HID_CONTROL_FIFO_SIZE - 1);
+
+	if (usbhid->ctrlhead != usbhid->ctrltail) {
+		if (hid_submit_ctrl(hid)) {
+			clear_bit(HID_CTRL_RUNNING, &usbhid->iofl);
+			wake_up(&hid->wait);
+		}
+		spin_unlock_irqrestore(&usbhid->ctrllock, flags);
+		return;
+	}
+
+	clear_bit(HID_CTRL_RUNNING, &usbhid->iofl);
+	spin_unlock_irqrestore(&usbhid->ctrllock, flags);
+	wake_up(&hid->wait);
+}
+
+void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir)
+{
+	int head;
+	unsigned long flags;
+	struct usbhid_device *usbhid = hid->driver_data;
+
+	if ((hid->quirks & HID_QUIRK_NOGET) && dir == USB_DIR_IN)
+		return;
+
+	if (usbhid->urbout && dir == USB_DIR_OUT && report->type == HID_OUTPUT_REPORT) {
+
+		spin_lock_irqsave(&usbhid->outlock, flags);
+
+		if ((head = (usbhid->outhead + 1) & (HID_OUTPUT_FIFO_SIZE - 1)) == usbhid->outtail) {
+			spin_unlock_irqrestore(&usbhid->outlock, flags);
+			warn("output queue full");
+			return;
+		}
+
+		usbhid->out[usbhid->outhead] = report;
+		usbhid->outhead = head;
+
+		if (!test_and_set_bit(HID_OUT_RUNNING, &usbhid->iofl))
+			if (hid_submit_out(hid))
+				clear_bit(HID_OUT_RUNNING, &usbhid->iofl);
+
+		spin_unlock_irqrestore(&usbhid->outlock, flags);
+		return;
+	}
+
+	spin_lock_irqsave(&usbhid->ctrllock, flags);
+
+	if ((head = (usbhid->ctrlhead + 1) & (HID_CONTROL_FIFO_SIZE - 1)) == usbhid->ctrltail) {
+		spin_unlock_irqrestore(&usbhid->ctrllock, flags);
+		warn("control queue full");
+		return;
+	}
+
+	usbhid->ctrl[usbhid->ctrlhead].report = report;
+	usbhid->ctrl[usbhid->ctrlhead].dir = dir;
+	usbhid->ctrlhead = head;
+
+	if (!test_and_set_bit(HID_CTRL_RUNNING, &usbhid->iofl))
+		if (hid_submit_ctrl(hid))
+			clear_bit(HID_CTRL_RUNNING, &usbhid->iofl);
+
+	spin_unlock_irqrestore(&usbhid->ctrllock, flags);
+}
+
+static int usb_hidinput_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
+{
+	struct hid_device *hid = dev->private;
+	struct hid_field *field;
+	int offset;
+
+	if (type == EV_FF)
+		return input_ff_event(dev, type, code, value);
+
+	if (type != EV_LED)
+		return -1;
+
+	if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) {
+		warn("event field not found");
+		return -1;
+	}
+
+	hid_set_field(field, offset, value);
+	usbhid_submit_report(hid, field->report, USB_DIR_OUT);
+
+	return 0;
+}
+
+int usbhid_wait_io(struct hid_device *hid)
+{
+	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)),
+					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);
+
+	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 usbhid_open(struct hid_device *hid)
+{
+	++hid->open;
+	if (hid_start_in(hid))
+		hid_io_error(hid);
+	return 0;
+}
+
+void usbhid_close(struct hid_device *hid)
+{
+	struct usbhid_device *usbhid = hid->driver_data;
+
+	if (!--hid->open)
+		usb_kill_urb(usbhid->urbin);
+}
+
+/*
+ * Initialize all reports
+ */
+
+void usbhid_init_reports(struct hid_device *hid)
+{
+	struct hid_report *report;
+	struct usbhid_device *usbhid = hid->driver_data;
+	int err, ret;
+
+	list_for_each_entry(report, &hid->report_enum[HID_INPUT_REPORT].report_list, list)
+		usbhid_submit_report(hid, report, USB_DIR_IN);
+
+	list_for_each_entry(report, &hid->report_enum[HID_FEATURE_REPORT].report_list, list)
+		usbhid_submit_report(hid, report, USB_DIR_IN);
+
+	err = 0;
+	ret = usbhid_wait_io(hid);
+	while (ret) {
+		err |= ret;
+		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);
+	}
+
+	if (err)
+		warn("timeout initializing reports");
+}
+
+/*
+ * Reset LEDs which BIOS might have left on. For now, just NumLock (0x01).
+ */
+static int hid_find_field_early(struct hid_device *hid, unsigned int page,
+    unsigned int hid_code, struct hid_field **pfield)
+{
+	struct hid_report *report;
+	struct hid_field *field;
+	struct hid_usage *usage;
+	int i, j;
+
+	list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
+		for (i = 0; i < report->maxfield; i++) {
+			field = report->field[i];
+			for (j = 0; j < field->maxusage; j++) {
+				usage = &field->usage[j];
+				if ((usage->hid & HID_USAGE_PAGE) == page &&
+				    (usage->hid & 0xFFFF) == hid_code) {
+					*pfield = field;
+					return j;
+				}
+			}
+		}
+	}
+	return -1;
+}
+
+static void usbhid_set_leds(struct hid_device *hid)
+{
+	struct hid_field *field;
+	int offset;
+
+	if ((offset = hid_find_field_early(hid, HID_UP_LED, 0x01, &field)) != -1) {
+		hid_set_field(field, offset, 0);
+		usbhid_submit_report(hid, field->report, USB_DIR_OUT);
+	}
+}
+
+/*
+ * 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)
+{
+	struct usbhid_device *usbhid = hid->driver_data;
+
+	if (!(usbhid->inbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->inbuf_dma)))
+		return -1;
+	if (!(usbhid->outbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->outbuf_dma)))
+		return -1;
+	if (!(usbhid->cr = usb_buffer_alloc(dev, sizeof(*(usbhid->cr)), GFP_ATOMIC, &usbhid->cr_dma)))
+		return -1;
+	if (!(usbhid->ctrlbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->ctrlbuf_dma)))
+		return -1;
+
+	return 0;
+}
+
+static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid)
+{
+	struct usbhid_device *usbhid = hid->driver_data;
+
+	if (usbhid->inbuf)
+		usb_buffer_free(dev, usbhid-&