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-rw-r--r--drivers/hid/usbhid/Kconfig11
-rw-r--r--drivers/hid/usbhid/hid-core.c16
-rw-r--r--drivers/hid/usbhid/hid-ff.c5
-rw-r--r--drivers/hid/usbhid/hid-plff.c24
-rw-r--r--drivers/hid/usbhid/hid-quirks.c33
-rw-r--r--drivers/hid/usbhid/hid-tmff.c161
-rw-r--r--drivers/hid/usbhid/hiddev.c12
7 files changed, 205 insertions, 57 deletions
diff --git a/drivers/hid/usbhid/Kconfig b/drivers/hid/usbhid/Kconfig
index 1b4b572f899..c557d7040a6 100644
--- a/drivers/hid/usbhid/Kconfig
+++ b/drivers/hid/usbhid/Kconfig
@@ -71,19 +71,20 @@ config LOGITECH_FF
force feedback.
config PANTHERLORD_FF
- bool "PantherLord USB/PS2 2in1 Adapter support"
+ bool "PantherLord/GreenAsia based device 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.
+ Say Y here if you have a PantherLord/GreenAsia based game controller
+ or adapter and want to enable force feedback support for it.
config THRUSTMASTER_FF
- bool "ThrustMaster FireStorm Dual Power 2 support (EXPERIMENTAL)"
+ bool "ThrustMaster devices 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,
+ Say Y here if you have a THRUSTMASTER FireStore Dual Power 2 or
+ a THRUSTMASTER Ferrari GT Rumble Force or Force Feedback Wheel,
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.
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 3a956319585..b38e559b7a4 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -513,7 +513,16 @@ static int hid_get_class_descriptor(struct usb_device *dev, int ifnum,
int usbhid_open(struct hid_device *hid)
{
- ++hid->open;
+ struct usbhid_device *usbhid = hid->driver_data;
+ int res;
+
+ if (!hid->open++) {
+ res = usb_autopm_get_interface(usbhid->intf);
+ if (res < 0) {
+ hid->open--;
+ return -EIO;
+ }
+ }
if (hid_start_in(hid))
hid_io_error(hid);
return 0;
@@ -523,8 +532,10 @@ void usbhid_close(struct hid_device *hid)
{
struct usbhid_device *usbhid = hid->driver_data;
- if (!--hid->open)
+ if (!--hid->open) {
usb_kill_urb(usbhid->urbin);
+ usb_autopm_put_interface(usbhid->intf);
+ }
}
/*
@@ -1082,6 +1093,7 @@ static struct usb_driver hid_driver = {
.pre_reset = hid_pre_reset,
.post_reset = hid_post_reset,
.id_table = hid_usb_ids,
+ .supports_autosuspend = 1,
};
static int __init hid_init(void)
diff --git a/drivers/hid/usbhid/hid-ff.c b/drivers/hid/usbhid/hid-ff.c
index 23431fbbc3d..22329feb3b5 100644
--- a/drivers/hid/usbhid/hid-ff.c
+++ b/drivers/hid/usbhid/hid-ff.c
@@ -62,11 +62,14 @@ static struct hid_ff_initializer inits[] = {
{ 0x46d, 0xca03, hid_lgff_init }, /* Logitech MOMO force wheel */
#endif
#ifdef CONFIG_PANTHERLORD_FF
- { 0x810, 0x0001, hid_plff_init },
+ { 0x810, 0x0001, hid_plff_init }, /* "Twin USB Joystick" */
+ { 0xe8f, 0x0003, hid_plff_init }, /* "GreenAsia Inc. USB Joystick " */
#endif
#ifdef CONFIG_THRUSTMASTER_FF
{ 0x44f, 0xb300, hid_tmff_init },
{ 0x44f, 0xb304, hid_tmff_init },
+ { 0x44f, 0xb651, hid_tmff_init }, /* FGT Rumble Force Wheel */
+ { 0x44f, 0xb654, hid_tmff_init }, /* FGT Force Feedback Wheel */
#endif
#ifdef CONFIG_ZEROPLUS_FF
{ 0xc12, 0x0005, hid_zpff_init },
diff --git a/drivers/hid/usbhid/hid-plff.c b/drivers/hid/usbhid/hid-plff.c
index d6a8f2b49bd..9eb83cf9d22 100644
--- a/drivers/hid/usbhid/hid-plff.c
+++ b/drivers/hid/usbhid/hid-plff.c
@@ -1,5 +1,15 @@
/*
- * Force feedback support for PantherLord USB/PS2 2in1 Adapter devices
+ * Force feedback support for PantherLord/GreenAsia based devices
+ *
+ * The devices are distributed under various names and the same USB device ID
+ * can be used in both adapters and actual game controllers.
+ *
+ * 0810:0001 "Twin USB Joystick"
+ * - tested with PantherLord USB/PS2 2in1 Adapter
+ * - contains two reports, one for each port (HID_QUIRK_MULTI_INPUT)
+ *
+ * 0e8f:0003 "GreenAsia Inc. USB Joystick "
+ * - tested with Köng Gaming gamepad
*
* Copyright (c) 2007 Anssi Hannula <anssi.hannula@gmail.com>
*/
@@ -67,11 +77,11 @@ int hid_plff_init(struct hid_device *hid)
struct input_dev *dev;
int error;
- /* The device contains 2 output reports (one for each
- HID_QUIRK_MULTI_INPUT device), both containing 1 field, which
- contains 4 ff00.0002 usages and 4 16bit absolute values.
+ /* The device contains one output report per physical device, all
+ containing 1 field, which contains 4 ff00.0002 usages and 4 16bit
+ absolute values.
- The 2 input reports also contain a field which contains
+ The input reports also contain a field which contains
8 ff00.0001 usages and 8 boolean values. Their meaning is
currently unknown. */
@@ -122,8 +132,8 @@ int hid_plff_init(struct hid_device *hid)
usbhid_submit_report(hid, plff->report, USB_DIR_OUT);
}
- printk(KERN_INFO "hid-plff: Force feedback for PantherLord USB/PS2 "
- "2in1 Adapters by Anssi Hannula <anssi.hannula@gmail.com>\n");
+ printk(KERN_INFO "hid-plff: Force feedback for PantherLord/GreenAsia "
+ "devices by Anssi Hannula <anssi.hannula@gmail.com>\n");
return 0;
}
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index 6b21a214f41..41a59a80e7e 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -61,6 +61,7 @@
#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
+#define USB_DEVICE_ID_APPLE_IRCONTROL4 0x8242
#define USB_VENDOR_ID_ASUS 0x0b05
#define USB_DEVICE_ID_ASUS_LCM 0x1726
@@ -86,6 +87,9 @@
#define USB_VENDOR_ID_CIDC 0x1677
+#define USB_VENDOR_ID_CMEDIA 0x0d8c
+#define USB_DEVICE_ID_CM109 0x000e
+
#define USB_VENDOR_ID_CODEMERCS 0x07c0
#define USB_DEVICE_ID_CODEMERCS_IOW_FIRST 0x1500
#define USB_DEVICE_ID_CODEMERCS_IOW_LAST 0x15ff
@@ -104,12 +108,17 @@
#define USB_DEVICE_ID_DELORME_EARTHMATE 0x0100
#define USB_DEVICE_ID_DELORME_EM_LT20 0x0200
+#define USB_VENDOR_ID_ELO 0x04E7
+#define USB_DEVICE_ID_ELO_TS2700 0x0020
+
#define USB_VENDOR_ID_ESSENTIAL_REALITY 0x0d7f
#define USB_DEVICE_ID_ESSENTIAL_REALITY_P5 0x0100
#define USB_VENDOR_ID_GAMERON 0x0810
#define USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR 0x0001
+#define USB_VENDOR_ID_GENERAL_TOUCH 0x0dfc
+
#define USB_VENDOR_ID_GLAB 0x06c2
#define USB_DEVICE_ID_4_PHIDGETSERVO_30 0x0038
#define USB_DEVICE_ID_1_PHIDGETSERVO_30 0x0039
@@ -373,6 +382,7 @@ static const struct hid_blacklist {
{ USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE, HID_QUIRK_DUPLICATE_USAGES },
{ USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM, HID_QUIRK_HIDDEV },
+ { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4, HID_QUIRK_HIDDEV | HID_QUIRK_IGNORE_HIDINPUT },
{ USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV, HID_QUIRK_HIDINPUT },
{ USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01, HID_QUIRK_IGNORE },
@@ -387,11 +397,16 @@ static const struct hid_blacklist {
{ USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_LCM, HID_QUIRK_IGNORE},
{ USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD, HID_QUIRK_IGNORE },
{ USB_VENDOR_ID_CIDC, 0x0103, HID_QUIRK_IGNORE },
+ { USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109, HID_QUIRK_IGNORE },
{ USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM, HID_QUIRK_IGNORE },
{ USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE, HID_QUIRK_IGNORE },
{ USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE, HID_QUIRK_IGNORE },
{ USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20, HID_QUIRK_IGNORE },
{ USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5, HID_QUIRK_IGNORE },
+ { USB_VENDOR_ID_GENERAL_TOUCH, 0x0001, HID_QUIRK_IGNORE },
+ { USB_VENDOR_ID_GENERAL_TOUCH, 0x0002, HID_QUIRK_IGNORE },
+ { USB_VENDOR_ID_GENERAL_TOUCH, 0x0003, HID_QUIRK_IGNORE },
+ { USB_VENDOR_ID_GENERAL_TOUCH, 0x0004, 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 },
@@ -507,6 +522,7 @@ static const struct hid_blacklist {
{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET },
+ { USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET },
@@ -614,6 +630,8 @@ static const struct hid_rdesc_blacklist {
{ USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER, HID_QUIRK_RDESC_LOGITECH },
{ USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2, HID_QUIRK_RDESC_LOGITECH },
+ { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS, HID_QUIRK_RDESC_MACBOOK_JIS },
+
{ USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE, HID_QUIRK_RDESC_PETALYNX },
{ USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1, HID_QUIRK_RDESC_SWAPPED_MIN_MAX },
@@ -927,6 +945,18 @@ static void usbhid_fixup_cypress_descriptor(unsigned char *rdesc, int rsize)
printk(KERN_INFO "Fixing up Cypress report descriptor\n");
}
+/*
+ * MacBook JIS keyboard has wrong logical maximum
+ */
+static void usbhid_fixup_macbook_descriptor(unsigned char *rdesc, int rsize)
+{
+ if (rsize >= 60 && rdesc[53] == 0x65
+ && rdesc[59] == 0x65) {
+ printk(KERN_INFO "Fixing up MacBook JIS keyboard report descriptor\n");
+ rdesc[53] = rdesc[59] = 0xe7;
+ }
+}
+
static void __usbhid_fixup_report_descriptor(__u32 quirks, char *rdesc, unsigned rsize)
{
@@ -941,6 +971,9 @@ static void __usbhid_fixup_report_descriptor(__u32 quirks, char *rdesc, unsigned
if (quirks & HID_QUIRK_RDESC_PETALYNX)
usbhid_fixup_petalynx_descriptor(rdesc, rsize);
+
+ if (quirks & HID_QUIRK_RDESC_MACBOOK_JIS)
+ usbhid_fixup_macbook_descriptor(rdesc, rsize);
}
/**
diff --git a/drivers/hid/usbhid/hid-tmff.c b/drivers/hid/usbhid/hid-tmff.c
index 555bb48b429..69882a726e9 100644
--- a/drivers/hid/usbhid/hid-tmff.c
+++ b/drivers/hid/usbhid/hid-tmff.c
@@ -36,16 +36,39 @@
#include "usbhid.h"
/* Usages for thrustmaster devices I know about */
-#define THRUSTMASTER_USAGE_RUMBLE_LR (HID_UP_GENDESK | 0xbb)
+#define THRUSTMASTER_USAGE_FF (HID_UP_GENDESK | 0xbb)
+struct dev_type {
+ u16 idVendor;
+ u16 idProduct;
+ const signed short *ff;
+};
+
+static const signed short ff_rumble[] = {
+ FF_RUMBLE,
+ -1
+};
+
+static const signed short ff_joystick[] = {
+ FF_CONSTANT,
+ -1
+};
+
+static const struct dev_type devices[] = {
+ { 0x44f, 0xb300, ff_rumble },
+ { 0x44f, 0xb304, ff_rumble },
+ { 0x44f, 0xb651, ff_rumble }, /* FGT Rumble Force Wheel */
+ { 0x44f, 0xb654, ff_joystick }, /* FGT Force Feedback Wheel */
+};
struct tmff_device {
struct hid_report *report;
- struct hid_field *rumble;
+ struct hid_field *ff_field;
};
/* Changes values from 0 to 0xffff into values from minimum to maximum */
-static inline int hid_tmff_scale(unsigned int in, int minimum, int maximum)
+static inline int hid_tmff_scale_u16(unsigned int in,
+ int minimum, int maximum)
{
int ret;
@@ -57,22 +80,57 @@ static inline int hid_tmff_scale(unsigned int in, int minimum, int maximum)
return ret;
}
+/* Changes values from -0x80 to 0x7f into values from minimum to maximum */
+static inline int hid_tmff_scale_s8(int in,
+ int minimum, int maximum)
+{
+ int ret;
+
+ ret = (((in + 0x80) * (maximum - minimum)) / 0xff) + minimum;
+ if (ret < minimum)
+ return minimum;
+ if (ret > maximum)
+ return maximum;
+ return ret;
+}
+
static int hid_tmff_play(struct input_dev *dev, void *data, struct ff_effect *effect)
{
struct hid_device *hid = input_get_drvdata(dev);
struct tmff_device *tmff = data;
+ struct hid_field *ff_field = tmff->ff_field;
+ int x, y;
int left, right; /* Rumbling */
- left = hid_tmff_scale(effect->u.rumble.weak_magnitude,
- tmff->rumble->logical_minimum, tmff->rumble->logical_maximum);
- right = hid_tmff_scale(effect->u.rumble.strong_magnitude,
- tmff->rumble->logical_minimum, tmff->rumble->logical_maximum);
-
- tmff->rumble->value[0] = left;
- tmff->rumble->value[1] = right;
- dbg_hid("(left,right)=(%08x, %08x)\n", left, right);
- usbhid_submit_report(hid, tmff->report, USB_DIR_OUT);
-
+ switch (effect->type) {
+ case FF_CONSTANT:
+ x = hid_tmff_scale_s8(effect->u.ramp.start_level,
+ ff_field->logical_minimum,
+ ff_field->logical_maximum);
+ y = hid_tmff_scale_s8(effect->u.ramp.end_level,
+ ff_field->logical_minimum,
+ ff_field->logical_maximum);
+
+ dbg_hid("(x, y)=(%04x, %04x)\n", x, y);
+ ff_field->value[0] = x;
+ ff_field->value[1] = y;
+ usbhid_submit_report(hid, tmff->report, USB_DIR_OUT);
+ break;
+
+ case FF_RUMBLE:
+ left = hid_tmff_scale_u16(effect->u.rumble.weak_magnitude,
+ ff_field->logical_minimum,
+ ff_field->logical_maximum);
+ right = hid_tmff_scale_u16(effect->u.rumble.strong_magnitude,
+ ff_field->logical_minimum,
+ ff_field->logical_maximum);
+
+ dbg_hid("(left,right)=(%08x, %08x)\n", left, right);
+ ff_field->value[0] = left;
+ ff_field->value[1] = right;
+ usbhid_submit_report(hid, tmff->report, USB_DIR_OUT);
+ break;
+ }
return 0;
}
@@ -82,14 +140,16 @@ int hid_tmff_init(struct hid_device *hid)
struct list_head *pos;
struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list);
struct input_dev *input_dev = hidinput->input;
+ const signed short *ff_bits = ff_joystick;
int error;
+ int i;
tmff = kzalloc(sizeof(struct tmff_device), GFP_KERNEL);
if (!tmff)
return -ENOMEM;
/* Find the report to use */
- __list_for_each(pos, &hid->report_enum[HID_OUTPUT_REPORT].report_list) {
+ list_for_each(pos, &hid->report_enum[HID_OUTPUT_REPORT].report_list) {
struct hid_report *report = (struct hid_report *)pos;
int fieldnum;
@@ -100,48 +160,65 @@ int hid_tmff_init(struct hid_device *hid)
continue;
switch (field->usage[0].hid) {
- case THRUSTMASTER_USAGE_RUMBLE_LR:
- if (field->report_count < 2) {
- warn("ignoring THRUSTMASTER_USAGE_RUMBLE_LR with report_count < 2");
- continue;
- }
+ case THRUSTMASTER_USAGE_FF:
+ if (field->report_count < 2) {
+ warn("ignoring FF field with report_count < 2");
+ continue;
+ }
- if (field->logical_maximum == field->logical_minimum) {
- warn("ignoring THRUSTMASTER_USAGE_RUMBLE_LR with logical_maximum == logical_minimum");
- continue;
- }
+ if (field->logical_maximum == field->logical_minimum) {
+ warn("ignoring FF field with logical_maximum == logical_minimum");
+ continue;
+ }
- if (tmff->report && tmff->report != report) {
- warn("ignoring THRUSTMASTER_USAGE_RUMBLE_LR in other report");
- continue;
- }
+ if (tmff->report && tmff->report != report) {
+ warn("ignoring FF field in other report");
+ continue;
+ }
- if (tmff->rumble && tmff->rumble != field) {
- warn("ignoring duplicate THRUSTMASTER_USAGE_RUMBLE_LR");
- continue;
+ if (tmff->ff_field && tmff->ff_field != field) {
+ warn("ignoring duplicate FF field");
+ continue;
+ }
+
+ tmff->report = report;
+ tmff->ff_field = field;
+
+ for (i = 0; i < ARRAY_SIZE(devices); i++) {
+ if (input_dev->id.vendor == devices[i].idVendor &&
+ input_dev->id.product == devices[i].idProduct) {
+ ff_bits = devices[i].ff;
+ break;
}
+ }
- tmff->report = report;
- tmff->rumble = field;
+ for (i = 0; ff_bits[i] >= 0; i++)
+ set_bit(ff_bits[i], input_dev->ffbit);
- set_bit(FF_RUMBLE, input_dev->ffbit);
- break;
+ break;
- default:
- warn("ignoring unknown output usage %08x", field->usage[0].hid);
- continue;
+ default:
+ warn("ignoring unknown output usage %08x", field->usage[0].hid);
+ continue;
}
}
}
- error = input_ff_create_memless(input_dev, tmff, hid_tmff_play);
- if (error) {
- kfree(tmff);
- return error;
+ if (!tmff->report) {
+ err("cant find FF field in output reports\n");
+ error = -ENODEV;
+ goto fail;
}
- info("Force feedback for ThrustMaster rumble pad devices by Zinx Verituse <zinx@epicsol.org>");
+ error = input_ff_create_memless(input_dev, tmff, hid_tmff_play);
+ if (error)
+ goto fail;
+ info("Force feedback for ThrustMaster devices by Zinx Verituse <zinx@epicsol.org>");
return 0;
+
+ fail:
+ kfree(tmff);
+ return error;
}
diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c
index e793127f971..9837adcb17e 100644
--- a/drivers/hid/usbhid/hiddev.c
+++ b/drivers/hid/usbhid/hiddev.c
@@ -34,6 +34,7 @@
#include <linux/usb.h>
#include <linux/hid.h>
#include <linux/hiddev.h>
+#include <linux/compat.h>
#include "usbhid.h"
#ifdef CONFIG_USB_DYNAMIC_MINORS
@@ -738,6 +739,14 @@ inval:
return -EINVAL;
}
+#ifdef CONFIG_COMPAT
+static long hiddev_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+ struct inode *inode = file->f_path.dentry->d_inode;
+ return hiddev_ioctl(inode, file, cmd, compat_ptr(arg));
+}
+#endif
+
static const struct file_operations hiddev_fops = {
.owner = THIS_MODULE,
.read = hiddev_read,
@@ -747,6 +756,9 @@ static const struct file_operations hiddev_fops = {
.release = hiddev_release,
.ioctl = hiddev_ioctl,
.fasync = hiddev_fasync,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = hiddev_compat_ioctl,
+#endif
};
static struct usb_class_driver hiddev_class = {