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

Browse Source 
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (22 commits)
  HID: fix error condition propagation in hid-sony driver
  HID: fix reference count leak hidraw
  HID: add proper support for pensketch 12x9 tablet
  HID: don't allow DealExtreme usb-radio be handled by usb hid driver
  HID: fix default Kconfig setting for TopSpeed driver
  HID: driver for TopSeed Cyberlink quirky remote
  HID: make boot protocol drivers depend on EMBEDDED
  HID: avoid sparse warning in HID_COMPAT_LOAD_DRIVER
  HID: hiddev cleanup -- handle all error conditions properly
  HID: force feedback driver for GreenAsia 0x12 PID
  HID: switch specialized drivers from "default y" to !EMBEDDED
  HID: set proper dev.parent in hidraw
  HID: add dynids facility
  HID: use GFP_KERNEL in hid_alloc_buffers
  HID: usbhid, use usb_endpoint_xfer_int
  HID: move usbhid flags to usbhid.h
  HID: add n-trig digitizer support
  HID: add phys and name ioctls to hidraw
  HID: struct device - replace bus_id with dev_name(), dev_set_name()
  HID: automatically call usbhid_set_leds in usbhid driver
  ...
This commit is contained in:
Linus Torvalds 2009-01-05 18:53:34 -08:00
commit 8606ab6d30
20 changed files with 685 additions and 269 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

70
drivers/hid/Kconfig
View File

@ -85,14 +85,14 @@ config HID_COMPAT
config HID_A4TECH
tristate "A4 tech" if EMBEDDED
depends on USB_HID
default y
default !EMBEDDED
---help---
Support for A4 tech X5 and WOP-35 / Trust 450L mice.
config HID_APPLE
tristate "Apple" if EMBEDDED
depends on (USB_HID || BT_HIDP)
default y
default !EMBEDDED
---help---
Support for some Apple devices which less or more break
HID specification.
@ -103,64 +103,49 @@ config HID_APPLE
config HID_BELKIN
tristate "Belkin" if EMBEDDED
depends on USB_HID
default y
default !EMBEDDED
---help---
Support for Belkin Flip KVM and Wireless keyboard.
config HID_BRIGHT
tristate "Bright" if EMBEDDED
depends on USB_HID
default y
---help---
Support for Bright ABNT-2 keyboard.
config HID_CHERRY
tristate "Cherry" if EMBEDDED
depends on USB_HID
default y
default !EMBEDDED
---help---
Support for Cherry Cymotion keyboard.
config HID_CHICONY
tristate "Chicony" if EMBEDDED
depends on USB_HID
default y
default !EMBEDDED
---help---
Support for Chicony Tactical pad.
config HID_CYPRESS
tristate "Cypress" if EMBEDDED
depends on USB_HID
default y
default !EMBEDDED
---help---
Support for cypress mouse and barcode readers.
config HID_DELL
tristate "Dell" if EMBEDDED
depends on USB_HID
default y
---help---
Support for quirky Dell HID hardware that require
special LED handling (W7658 and SK8115 models)
config HID_EZKEY
tristate "Ezkey" if EMBEDDED
depends on USB_HID
default y
default !EMBEDDED
---help---
Support for Ezkey BTC 8193 keyboard.
config HID_GYRATION
tristate "Gyration" if EMBEDDED
depends on USB_HID
default y
default !EMBEDDED
---help---
Support for Gyration remote control.
config HID_LOGITECH
tristate "Logitech" if EMBEDDED
depends on USB_HID
default y
default !EMBEDDED
---help---
Support for Logitech devices that are not fully compliant with HID standard.
@ -191,21 +176,28 @@ config LOGIRUMBLEPAD2_FF
config HID_MICROSOFT
tristate "Microsoft" if EMBEDDED
depends on USB_HID
default y
default !EMBEDDED
---help---
Support for Microsoft devices that are not fully compliant with HID standard.
config HID_MONTEREY
tristate "Monterey" if EMBEDDED
depends on USB_HID
default y
default !EMBEDDED
---help---
Support for Monterey Genius KB29E.
config HID_NTRIG
tristate "NTrig" if EMBEDDED
depends on USB_HID
default !EMBEDDED
---help---
Support for N-Trig touch screen.
config HID_PANTHERLORD
tristate "Pantherlord devices support" if EMBEDDED
depends on USB_HID
default y
default !EMBEDDED
---help---
Support for PantherLord/GreenAsia based device support.
@ -220,31 +212,47 @@ config PANTHERLORD_FF
config HID_PETALYNX
tristate "Petalynx" if EMBEDDED
depends on USB_HID
default y
default !EMBEDDED
---help---
Support for Petalynx Maxter remote control.
config HID_SAMSUNG
tristate "Samsung" if EMBEDDED
depends on USB_HID
default y
default !EMBEDDED
---help---
Support for Samsung InfraRed remote control.
config HID_SONY
tristate "Sony" if EMBEDDED
depends on USB_HID
default y
default !EMBEDDED
---help---
Support for Sony PS3 controller.
config HID_SUNPLUS
tristate "Sunplus" if EMBEDDED
depends on USB_HID
default y
default !EMBEDDED
---help---
Support for Sunplus wireless desktop.
config GREENASIA_FF
tristate "GreenAsia (Product ID 0x12) force feedback support"
depends on USB_HID
select INPUT_FF_MEMLESS
---help---
Say Y here if you have a GreenAsia (Product ID 0x12) based game controller
(like MANTA Warior MM816 and SpeedLink Strike2 SL-6635) or adapter
and want to enable force feedback support for it.
config HID_TOPSEED
tristate "TopSeed Cyberlink remote control support" if EMBEDDED
depends on USB_HID
default !EMBEDDED
---help---
Say Y if you have a TopSeed Cyberlink remote control.
config THRUSTMASTER_FF
tristate "ThrustMaster devices support"
depends on USB_HID

5
drivers/hid/Makefile
View File

@ -23,22 +23,23 @@ endif
obj-$(CONFIG_HID_A4TECH) += hid-a4tech.o
obj-$(CONFIG_HID_APPLE) += hid-apple.o
obj-$(CONFIG_HID_BELKIN) += hid-belkin.o
obj-$(CONFIG_HID_BRIGHT) += hid-bright.o
obj-$(CONFIG_HID_CHERRY) += hid-cherry.o
obj-$(CONFIG_HID_CHICONY) += hid-chicony.o
obj-$(CONFIG_HID_CYPRESS) += hid-cypress.o
obj-$(CONFIG_HID_DELL) += hid-dell.o
obj-$(CONFIG_HID_EZKEY) += hid-ezkey.o
obj-$(CONFIG_HID_GYRATION) += hid-gyration.o
obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o
obj-$(CONFIG_HID_MICROSOFT) += hid-microsoft.o
obj-$(CONFIG_HID_MONTEREY) += hid-monterey.o
obj-$(CONFIG_HID_NTRIG) += hid-ntrig.o
obj-$(CONFIG_HID_PANTHERLORD) += hid-pl.o
obj-$(CONFIG_HID_PETALYNX) += hid-petalynx.o
obj-$(CONFIG_HID_SAMSUNG) += hid-samsung.o
obj-$(CONFIG_HID_SONY) += hid-sony.o
obj-$(CONFIG_HID_SUNPLUS) += hid-sunplus.o
obj-$(CONFIG_GREENASIA_FF) += hid-gaff.o
obj-$(CONFIG_THRUSTMASTER_FF) += hid-tmff.o
obj-$(CONFIG_HID_TOPSEED) += hid-topseed.o
obj-$(CONFIG_ZEROPLUS_FF) += hid-zpff.o
obj-$(CONFIG_USB_HID) += usbhid/

71
drivers/hid/hid-bright.c
View File

@ -1,71 +0,0 @@
/*
* HID driver for some bright "special" devices
*
* Copyright (c) 2008 Mauro Carvalho Chehab <mchehab@redhat.com>
*
* Based on hid-dell driver
*/
/*
* 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/device.h>
#include <linux/hid.h>
#include <linux/module.h>
#include "hid-ids.h"
static int bright_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
int ret;
ret = hid_parse(hdev);
if (ret) {
dev_err(&hdev->dev, "parse failed\n");
goto err_free;
}
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
if (ret) {
dev_err(&hdev->dev, "hw start failed\n");
goto err_free;
}
usbhid_set_leds(hdev);
return 0;
err_free:
return ret;
}
static const struct hid_device_id bright_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_BRIGHT, USB_DEVICE_ID_BRIGHT_ABNT2) },
{ }
};
MODULE_DEVICE_TABLE(hid, bright_devices);
static struct hid_driver bright_driver = {
.name = "bright",
.id_table = bright_devices,
.probe = bright_probe,
};
static int bright_init(void)
{
return hid_register_driver(&bright_driver);
}
static void bright_exit(void)
{
hid_unregister_driver(&bright_driver);
}
module_init(bright_init);
module_exit(bright_exit);
MODULE_LICENSE("GPL");
HID_COMPAT_LOAD_DRIVER(bright);

120
drivers/hid/hid-core.c
View File

@ -1256,19 +1256,16 @@ static const struct hid_device_id hid_blacklist[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
{ HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
{ HID_USB_DEVICE(USB_VENDOR_ID_BRIGHT, USB_DEVICE_ID_BRIGHT_ABNT2) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_W7658) },
{ HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_SK8115) },
{ HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
{ HID_USB_DEVICE(USB_VENDOR_ID_GENERIC_13BA, USB_DEVICE_ID_GENERIC_13BA_KBD_MOUSE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
@ -1279,7 +1276,6 @@ static const struct hid_device_id hid_blacklist[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_KBD) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
@ -1297,23 +1293,105 @@ static const struct hid_device_id hid_blacklist[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
{ HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
{ HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, 0x030c) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
{ }
};
struct hid_dynid {
struct list_head list;
struct hid_device_id id;
};
/**
* store_new_id - add a new HID device ID to this driver and re-probe devices
* @driver: target device driver
* @buf: buffer for scanning device ID data
* @count: input size
*
* Adds a new dynamic hid device ID to this driver,
* and causes the driver to probe for all devices again.
*/
static ssize_t store_new_id(struct device_driver *drv, const char *buf,
size_t count)
{
struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
struct hid_dynid *dynid;
__u32 bus, vendor, product;
unsigned long driver_data = 0;
int ret;
ret = sscanf(buf, "%x %x %x %lx",
&bus, &vendor, &product, &driver_data);
if (ret < 3)
return -EINVAL;
dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
if (!dynid)
return -ENOMEM;
dynid->id.bus = bus;
dynid->id.vendor = vendor;
dynid->id.product = product;
dynid->id.driver_data = driver_data;
spin_lock(&hdrv->dyn_lock);
list_add_tail(&dynid->list, &hdrv->dyn_list);
spin_unlock(&hdrv->dyn_lock);
ret = 0;
if (get_driver(&hdrv->driver)) {
ret = driver_attach(&hdrv->driver);
put_driver(&hdrv->driver);
}
return ret ? : count;
}
static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
static void hid_free_dynids(struct hid_driver *hdrv)
{
struct hid_dynid *dynid, *n;
spin_lock(&hdrv->dyn_lock);
list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
list_del(&dynid->list);
kfree(dynid);
}
spin_unlock(&hdrv->dyn_lock);
}
static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
struct hid_driver *hdrv)
{
struct hid_dynid *dynid;
spin_lock(&hdrv->dyn_lock);
list_for_each_entry(dynid, &hdrv->dyn_list, list) {
if (hid_match_one_id(hdev, &dynid->id)) {
spin_unlock(&hdrv->dyn_lock);
return &dynid->id;
}
}
spin_unlock(&hdrv->dyn_lock);
return hid_match_id(hdev, hdrv->id_table);
}
static int hid_bus_match(struct device *dev, struct device_driver *drv)
{
struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
struct hid_device *hdev = container_of(dev, struct hid_device, dev);
if (!hid_match_id(hdev, hdrv->id_table))
if (!hid_match_device(hdev, hdrv))
return 0;
/* generic wants all non-blacklisted */
@ -1332,7 +1410,7 @@ static int hid_device_probe(struct device *dev)
int ret = 0;
if (!hdev->driver) {
id = hid_match_id(hdev, hdrv->id_table);
id = hid_match_device(hdev, hdrv);
if (id == NULL)
return -ENODEV;
@ -1420,6 +1498,7 @@ static const struct hid_device_id hid_ignore_list[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
@ -1577,6 +1656,9 @@ static const struct hid_device_id hid_mouse_ignore_list[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
{ }
@ -1618,9 +1700,10 @@ int hid_add_device(struct hid_device *hdev)
if (hid_ignore(hdev))
return -ENODEV;
/* XXX hack, any other cleaner solution < 20 bus_id bytes? */
sprintf(hdev->dev.bus_id, "%04X:%04X:%04X.%04X", hdev->bus,
hdev->vendor, hdev->product, atomic_inc_return(&id));
/* XXX hack, any other cleaner solution after the driver core
* is converted to allow more than 20 bytes as the device name? */
dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
hdev->vendor, hdev->product, atomic_inc_return(&id));
ret = device_add(&hdev->dev);
if (!ret)
@ -1695,18 +1778,33 @@ EXPORT_SYMBOL_GPL(hid_destroy_device);
int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
const char *mod_name)
{
int ret;
hdrv->driver.name = hdrv->name;
hdrv->driver.bus = &hid_bus_type;
hdrv->driver.owner = owner;
hdrv->driver.mod_name = mod_name;
return driver_register(&hdrv->driver);
INIT_LIST_HEAD(&hdrv->dyn_list);
spin_lock_init(&hdrv->dyn_lock);
ret = driver_register(&hdrv->driver);
if (ret)
return ret;
ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
if (ret)
driver_unregister(&hdrv->driver);
return ret;
}
EXPORT_SYMBOL_GPL(__hid_register_driver);
void hid_unregister_driver(struct hid_driver *hdrv)
{
driver_remove_file(&hdrv->driver, &driver_attr_new_id);
driver_unregister(&hdrv->driver);
hid_free_dynids(hdrv);
}
EXPORT_SYMBOL_GPL(hid_unregister_driver);

76
drivers/hid/hid-dell.c
View File

@ -1,76 +0,0 @@
/*
* HID driver for some dell "special" devices
*
* 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
* Copyright (c) 2007 Paul Walmsley
* Copyright (c) 2008 Jiri Slaby
*/
/*
* 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/device.h>
#include <linux/hid.h>
#include <linux/module.h>
#include "hid-ids.h"
static int dell_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
int ret;
ret = hid_parse(hdev);
if (ret) {
dev_err(&hdev->dev, "parse failed\n");
goto err_free;
}
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
if (ret) {
dev_err(&hdev->dev, "hw start failed\n");
goto err_free;
}
usbhid_set_leds(hdev);
return 0;
err_free:
return ret;
}
static const struct hid_device_id dell_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_W7658) },
{ HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_SK8115) },
{ HID_USB_DEVICE(USB_VENDOR_ID_GENERIC_13BA, USB_DEVICE_ID_GENERIC_13BA_KBD_MOUSE) },
{ }
};
MODULE_DEVICE_TABLE(hid, dell_devices);
static struct hid_driver dell_driver = {
.name = "dell",
.id_table = dell_devices,
.probe = dell_probe,
};
static int dell_init(void)
{
return hid_register_driver(&dell_driver);
}
static void dell_exit(void)
{
hid_unregister_driver(&dell_driver);
}
module_init(dell_init);
module_exit(dell_exit);
MODULE_LICENSE("GPL");
HID_COMPAT_LOAD_DRIVER(dell);

6
drivers/hid/hid-dummy.c
View File

@ -43,6 +43,9 @@ static int __init hid_dummy_init(void)
#ifdef CONFIG_HID_MONTEREY_MODULE
HID_COMPAT_CALL_DRIVER(monterey);
#endif
#ifdef CONFIG_HID_NTRIG_MODULE
HID_COMPAT_CALL_DRIVER(ntrig);
#endif
#ifdef CONFIG_HID_PANTHERLORD_MODULE
HID_COMPAT_CALL_DRIVER(pantherlord);
#endif
@ -58,6 +61,9 @@ static int __init hid_dummy_init(void)
#ifdef CONFIG_HID_SUNPLUS_MODULE
HID_COMPAT_CALL_DRIVER(sunplus);
#endif
#ifdef CONFIG_GREENASIA_FF_MODULE
HID_COMPAT_CALL_DRIVER(greenasia);
#endif
#ifdef CONFIG_THRUSTMASTER_FF_MODULE
HID_COMPAT_CALL_DRIVER(thrustmaster);
#endif

185
drivers/hid/hid-gaff.c Normal file
View File

@ -0,0 +1,185 @@
/*
* Force feedback support for GreenAsia (Product ID 0x12) based devices
*
* The devices are distributed under various names and the same USB device ID
* can be used in many game controllers.
*
*
* 0e8f:0012 "GreenAsia Inc. USB Joystick "
* - tested with MANTA Warior MM816 and SpeedLink Strike2 SL-6635.
*
* Copyright (c) 2008 Lukasz Lubojanski <lukasz@lubojanski.info>
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/input.h>
#include <linux/usb.h>
#include <linux/hid.h>
#include "hid-ids.h"
#include "usbhid/usbhid.h"
struct gaff_device {
struct hid_report *report;
};
static int hid_gaff_play(struct input_dev *dev, void *data,
struct ff_effect *effect)
{
struct hid_device *hid = input_get_drvdata(dev);
struct gaff_device *gaff = data;
int left, right;
left = effect->u.rumble.strong_magnitude;
right = effect->u.rumble.weak_magnitude;
dbg_hid("called with 0x%04x 0x%04x", left, right);
left = left * 0xfe / 0xffff;
right = right * 0xfe / 0xffff;
gaff->report->field[0]->value[0] = 0x51;
gaff->report->field[0]->value[1] = 0x0;
gaff->report->field[0]->value[2] = right;
gaff->report->field[0]->value[3] = 0;
gaff->report->field[0]->value[4] = left;
gaff->report->field[0]->value[5] = 0;
dbg_hid("running with 0x%02x 0x%02x", left, right);
usbhid_submit_report(hid, gaff->report, USB_DIR_OUT);
gaff->report->field[0]->value[0] = 0xfa;
gaff->report->field[0]->value[1] = 0xfe;
gaff->report->field[0]->value[2] = 0x0;
gaff->report->field[0]->value[4] = 0x0;
usbhid_submit_report(hid, gaff->report, USB_DIR_OUT);
return 0;
}
static int gaff_init(struct hid_device *hid)
{
struct gaff_device *gaff;
struct hid_report *report;
struct hid_input *hidinput = list_entry(hid->inputs.next,
struct hid_input, list);
struct list_head *report_list =
&hid->report_enum[HID_OUTPUT_REPORT].report_list;
struct list_head *report_ptr = report_list;
struct input_dev *dev = hidinput->input;
int error;
if (list_empty(report_list)) {
dev_err(&hid->dev, "no output reports found\n");
return -ENODEV;
}
report_ptr = report_ptr->next;
report = list_entry(report_ptr, struct hid_report, list);
if (report->maxfield < 1) {
dev_err(&hid->dev, "no fields in the report\n");
return -ENODEV;
}
if (report->field[0]->report_count < 6) {
dev_err(&hid->dev, "not enough values in the field\n");
return -ENODEV;
}
gaff = kzalloc(sizeof(struct gaff_device), GFP_KERNEL);
if (!gaff)
return -ENOMEM;
set_bit(FF_RUMBLE, dev->ffbit);
error = input_ff_create_memless(dev, gaff, hid_gaff_play);
if (error) {
kfree(gaff);
return error;
}
gaff->report = report;
gaff->report->field[0]->value[0] = 0x51;
gaff->report->field[0]->value[1] = 0x00;
gaff->report->field[0]->value[2] = 0x00;
gaff->report->field[0]->value[3] = 0x00;
usbhid_submit_report(hid, gaff->report, USB_DIR_OUT);
gaff->report->field[0]->value[0] = 0xfa;
gaff->report->field[0]->value[1] = 0xfe;
usbhid_submit_report(hid, gaff->report, USB_DIR_OUT);
dev_info(&hid->dev, "Force Feedback for GreenAsia 0x12"
" devices by Lukasz Lubojanski <lukasz@lubojanski.info>\n");
return 0;
}
static int ga_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
int ret;
dev_dbg(&hdev->dev, "Greenasia HID hardware probe...");
ret = hid_parse(hdev);
if (ret) {
dev_err(&hdev->dev, "parse failed\n");
goto err;
}
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF);
if (ret) {
dev_err(&hdev->dev, "hw start failed\n");
goto err;
}
gaff_init(hdev);
return 0;
err:
return ret;
}
static const struct hid_device_id ga_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012), },
{ }
};
MODULE_DEVICE_TABLE(hid, ga_devices);
static struct hid_driver ga_driver = {
.name = "greenasia",
.id_table = ga_devices,
.probe = ga_probe,
};
static int __init ga_init(void)
{
return hid_register_driver(&ga_driver);
}
static void __exit ga_exit(void)
{
hid_unregister_driver(&ga_driver);
}
module_init(ga_init);
module_exit(ga_exit);
MODULE_LICENSE("GPL");
HID_COMPAT_LOAD_DRIVER(greenasia);

21
drivers/hid/hid-ids.h
View File

@ -107,9 +107,6 @@
#define USB_VENDOR_ID_BELKIN 0x050d
#define USB_DEVICE_ID_FLIP_KVM 0x3201
#define USB_VENDOR_ID_BRIGHT 0x1241
#define USB_DEVICE_ID_BRIGHT_ABNT2 0x1503
#define USB_VENDOR_ID_BERKSHIRE 0x0c98
#define USB_DEVICE_ID_BERKSHIRE_PCWD 0x1140
@ -141,9 +138,8 @@
#define USB_DEVICE_ID_CYPRESS_BARCODE_1 0xde61
#define USB_DEVICE_ID_CYPRESS_BARCODE_2 0xde64
#define USB_VENDOR_ID_DELL 0x413c
#define USB_DEVICE_ID_DELL_W7658 0x2005
#define USB_DEVICE_ID_DELL_SK8115 0x2105
#define USB_VENDOR_ID_DEALEXTREAME 0x10c5
#define USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701 0x819a
#define USB_VENDOR_ID_DELORME 0x1163
#define USB_DEVICE_ID_DELORME_EARTHMATE 0x0100
@ -167,9 +163,6 @@
#define USB_VENDOR_ID_GENERAL_TOUCH 0x0dfc
#define USB_VENDOR_ID_GENERIC_13BA 0x13ba
#define USB_DEVICE_ID_GENERIC_13BA_KBD_MOUSE 0x0017
#define USB_VENDOR_ID_GLAB 0x06c2
#define USB_DEVICE_ID_4_PHIDGETSERVO_30 0x0038
#define USB_DEVICE_ID_1_PHIDGETSERVO_30 0x0039
@ -292,7 +285,6 @@
#define USB_DEVICE_ID_LOGITECH_WHEEL 0xc294
#define USB_DEVICE_ID_LOGITECH_MOMO_WHEEL 0xc295
#define USB_DEVICE_ID_LOGITECH_ELITE_KBD 0xc30a
#define USB_DEVICE_ID_LOGITECH_KBD 0xc311
#define USB_DEVICE_ID_S510_RECEIVER 0xc50c
#define USB_DEVICE_ID_S510_RECEIVER_2 0xc517
#define USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500 0xc512
@ -339,6 +331,9 @@
#define USB_VENDOR_ID_NEC 0x073e
#define USB_DEVICE_ID_NEC_USB_GAME_PAD 0x0301
#define USB_VENDOR_ID_NTRIG 0x1b96
#define USB_DEVICE_ID_NTRIG_TOUCH_SCREEN 0x0001
#define USB_VENDOR_ID_ONTRAK 0x0a07
#define USB_DEVICE_ID_ONTRAK_ADU100 0x0064
@ -383,9 +378,15 @@
#define USB_VENDOR_ID_TOPMAX 0x0663
#define USB_DEVICE_ID_TOPMAX_COBRAPAD 0x0103
#define USB_VENDOR_ID_TOPSEED 0x0766
#define USB_DEVICE_ID_TOPSEED_CYBERLINK 0x0204
#define USB_VENDOR_ID_TURBOX 0x062a
#define USB_DEVICE_ID_TURBOX_KEYBOARD 0x0201
#define USB_VENDOR_ID_UCLOGIC 0x5543
#define USB_DEVICE_ID_UCLOGIC_TABLET_PF1209 0x0042
#define USB_VENDOR_ID_VERNIER 0x08f7
#define USB_DEVICE_ID_VERNIER_LABPRO 0x0001
#define USB_DEVICE_ID_VERNIER_GOTEMP 0x0002

7
drivers/hid/hid-lg.c
View File

@ -26,7 +26,6 @@
#define LG_RDESC 0x001
#define LG_BAD_RELATIVE_KEYS 0x002
#define LG_DUPLICATE_USAGES 0x004
#define LG_RESET_LEDS 0x008
#define LG_EXPANDED_KEYMAP 0x010
#define LG_IGNORE_DOUBLED_WHEEL 0x020
#define LG_WIRELESS 0x040
@ -248,9 +247,6 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
goto err_free;
}
if (quirks & LG_RESET_LEDS)
usbhid_set_leds(hdev);
if (quirks & LG_FF)
lgff_init(hdev);
if (quirks & LG_FF2)
@ -279,9 +275,6 @@ static const struct hid_device_id lg_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI),
.driver_data = LG_DUPLICATE_USAGES },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_KBD),
.driver_data = LG_RESET_LEDS },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD),
.driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500),

82
drivers/hid/hid-ntrig.c Normal file
View File

@ -0,0 +1,82 @@
/*
* HID driver for some ntrig "special" devices
*
* 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
* Copyright (c) 2007 Paul Walmsley
* Copyright (c) 2008 Jiri Slaby
* Copyright (c) 2008 Rafi Rubin
*
*/
/*
* 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/device.h>
#include <linux/hid.h>
#include <linux/module.h>
#include "hid-ids.h"
#define NTRIG_DUPLICATE_USAGES 0x001
#define nt_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
EV_KEY, (c))
static int ntrig_input_mapping(struct hid_device *hdev, struct hid_input *hi,
struct hid_field *field, struct hid_usage *usage,
unsigned long **bit, int *max)
{
if ((usage->hid & HID_USAGE_PAGE) == HID_UP_DIGITIZER &&
(usage->hid & 0xff) == 0x47) {
nt_map_key_clear(BTN_TOOL_DOUBLETAP);
return 1;
}
return 0;
}
static int ntrig_input_mapped(struct hid_device *hdev, struct hid_input *hi,
struct hid_field *field, struct hid_usage *usage,
unsigned long **bit, int *max)
{
if (usage->type == EV_KEY || usage->type == EV_REL
|| usage->type == EV_ABS)
clear_bit(usage->code, *bit);
return 0;
}
static const struct hid_device_id ntrig_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN),
.driver_data = NTRIG_DUPLICATE_USAGES },
{ }
};
MODULE_DEVICE_TABLE(hid, ntrig_devices);
static struct hid_driver ntrig_driver = {
.name = "ntrig",
.id_table = ntrig_devices,
.input_mapping = ntrig_input_mapping,
.input_mapped = ntrig_input_mapped,
};
static int ntrig_init(void)
{
return hid_register_driver(&ntrig_driver);
}
static void ntrig_exit(void)
{
hid_unregister_driver(&ntrig_driver);
}
module_init(ntrig_init);
module_exit(ntrig_exit);
MODULE_LICENSE("GPL");
HID_COMPAT_LOAD_DRIVER(ntrig);

2
drivers/hid/hid-sony.c
View File

@ -102,7 +102,7 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
}
ret = sony_set_operational(hdev);
if (ret)
if (ret < 0)
goto err_stop;
return 0;

77
drivers/hid/hid-topseed.c Normal file
View File

@ -0,0 +1,77 @@
/*
* HID driver for TopSeed Cyberlink remote
*
* Copyright (c) 2008 Lev Babiev
* based on hid-cherry driver
*/
/*
* 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/device.h>
#include <linux/hid.h>
#include <linux/module.h>
#include "hid-ids.h"
#define ts_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
EV_KEY, (c))
static int ts_input_mapping(struct hid_device *hdev, struct hid_input *hi,
struct hid_field *field, struct hid_usage *usage,
unsigned long **bit, int *max)
{
if ((usage->hid & HID_USAGE_PAGE) != 0x0ffbc0000)
return 0;
switch (usage->hid & HID_USAGE) {
case 0x00d: ts_map_key_clear(KEY_HOME); break;
case 0x024: ts_map_key_clear(KEY_MENU); break;
case 0x025: ts_map_key_clear(KEY_TV); break;
case 0x048: ts_map_key_clear(KEY_RED); break;
case 0x047: ts_map_key_clear(KEY_GREEN); break;
case 0x049: ts_map_key_clear(KEY_YELLOW); break;
case 0x04a: ts_map_key_clear(KEY_BLUE); break;
case 0x04b: ts_map_key_clear(KEY_ANGLE); break;
case 0x04c: ts_map_key_clear(KEY_LANGUAGE); break;
case 0x04d: ts_map_key_clear(KEY_SUBTITLE); break;
case 0x031: ts_map_key_clear(KEY_AUDIO); break;
case 0x032: ts_map_key_clear(KEY_TEXT); break;
case 0x033: ts_map_key_clear(KEY_CHANNEL); break;
default:
return 0;
}
return 1;
}
static const struct hid_device_id ts_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
{ }
};
MODULE_DEVICE_TABLE(hid, ts_devices);
static struct hid_driver ts_driver = {
.name = "topseed",
.id_table = ts_devices,
.input_mapping = ts_input_mapping,
};
static int ts_init(void)
{
return hid_register_driver(&ts_driver);
}
static void ts_exit(void)
{
hid_unregister_driver(&ts_driver);
}
module_init(ts_init);
module_exit(ts_exit);
MODULE_LICENSE("GPL");
HID_COMPAT_LOAD_DRIVER(topseed);

32
drivers/hid/hidraw.c
View File

@ -208,7 +208,7 @@ static int hidraw_release(struct inode * inode, struct file * file)
list_del(&list->node);
dev = hidraw_table[minor];
if (!dev->open--) {
if (!--dev->open) {
if (list->hidraw->exist)
dev->hid->ll_driver->close(dev->hid);
else
@ -265,6 +265,34 @@ static long hidraw_ioctl(struct file *file, unsigned int cmd,
break;
}
default:
{
struct hid_device *hid = dev->hid;
if (_IOC_TYPE(cmd) != 'H' || _IOC_DIR(cmd) != _IOC_READ)
return -EINVAL;
if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGRAWNAME(0))) {
int len;
if (!hid->name)
return 0;
len = strlen(hid->name) + 1;
if (len > _IOC_SIZE(cmd))
len = _IOC_SIZE(cmd);
return copy_to_user(user_arg, hid->name, len) ?
-EFAULT : len;
}
if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGRAWPHYS(0))) {
int len;
if (!hid->phys)
return 0;
len = strlen(hid->phys) + 1;
if (len > _IOC_SIZE(cmd))
len = _IOC_SIZE(cmd);
return copy_to_user(user_arg, hid->phys, len) ?
-EFAULT : len;
}
}
ret = -ENOTTY;
}
unlock_kernel();
@ -329,7 +357,7 @@ int hidraw_connect(struct hid_device *hid)
goto out;
}
dev->dev = device_create(hidraw_class, NULL, MKDEV(hidraw_major, minor),
dev->dev = device_create(hidraw_class, &hid->dev, MKDEV(hidraw_major, minor),
NULL, "%s%d", "hidraw", minor);
if (IS_ERR(dev->dev)) {

2
drivers/hid/usbhid/Kconfig
View File

@ -45,7 +45,7 @@ config USB_HIDDEV
If unsure, say Y.
menu "USB HID Boot Protocol drivers"
depends on USB!=n && USB_HID!=y
depends on USB!=n && USB_HID!=y && EMBEDDED
config USB_KBD
tristate "USB HIDBP Keyboard (simple Boot) support"

34
drivers/hid/usbhid/hid-core.c
View File

@ -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) 2006-2007 Jiri Kosina
* Copyright (c) 2006-2008 Jiri Kosina
*/
/*
@ -641,9 +641,7 @@ static void hid_find_max_report(struct hid_device *hid, unsigned int type,
unsigned 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++;
size = ((report->size - 1) >> 3) + 1 + hid->report_enum[type].numbered;
if (*max < size)
*max = size;
}
@ -653,13 +651,16 @@ 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)))
usbhid->inbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_KERNEL,
&usbhid->inbuf_dma);
usbhid->outbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_KERNEL,
&usbhid->outbuf_dma);
usbhid->cr = usb_buffer_alloc(dev, sizeof(*usbhid->cr), GFP_KERNEL,
&usbhid->cr_dma);
usbhid->ctrlbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_KERNEL,
&usbhid->ctrlbuf_dma);
if (!usbhid->inbuf || !usbhid->outbuf || !usbhid->cr ||
!usbhid->ctrlbuf)
return -1;
return 0;
@ -807,7 +808,7 @@ static int usbhid_start(struct hid_device *hid)
int interval;
endpoint = &interface->endpoint[n].desc;
if ((endpoint->bmAttributes & 3) != 3) /* Not an interrupt endpoint */
if (!usb_endpoint_xfer_int(endpoint))
continue;
interval = endpoint->bInterval;
@ -876,6 +877,15 @@ static int usbhid_start(struct hid_device *hid)
set_bit(HID_STARTED, &usbhid->iofl);
/* Some keyboards don't work until their LEDs have been set.
* Since BIOSes do set the LEDs, it must be safe for any device
* that supports the keyboard boot protocol.
*/
if (interface->desc.bInterfaceSubClass == USB_INTERFACE_SUBCLASS_BOOT &&
interface->desc.bInterfaceProtocol ==
USB_INTERFACE_PROTOCOL_KEYBOARD)
usbhid_set_leds(hid);
return 0;
fail:

1
drivers/hid/usbhid/hid-quirks.c
View File

@ -54,6 +54,7 @@ static const struct hid_blacklist {
{ USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209, HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS },
{ USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_QUAD_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },

135
drivers/hid/usbhid/hiddev.c
View File

@ -49,6 +49,7 @@
struct hiddev {
int exist;
int open;
struct mutex existancelock;
wait_queue_head_t wait;
struct hid_device *hid;
struct list_head list;
@ -63,6 +64,7 @@ struct hiddev_list {
struct fasync_struct *fasync;
struct hiddev *hiddev;
struct list_head node;
struct mutex thread_lock;
};
static struct hiddev *hiddev_table[HIDDEV_MINORS];
@ -264,29 +266,48 @@ static int hiddev_release(struct inode * inode, struct file * file)
static int hiddev_open(struct inode *inode, struct file *file)
{
struct hiddev_list *list;
unsigned long flags;
int res;
int i = iminor(inode) - HIDDEV_MINOR_BASE;
if (i >= HIDDEV_MINORS || !hiddev_table[i])
if (i >= HIDDEV_MINORS || i < 0 || !hiddev_table[i])
return -ENODEV;
if (!(list = kzalloc(sizeof(struct hiddev_list), GFP_KERNEL)))
return -ENOMEM;
mutex_init(&list->thread_lock);
list->hiddev = hiddev_table[i];
spin_lock_irqsave(&list->hiddev->list_lock, flags);
list_add_tail(&list->node, &hiddev_table[i]->list);
spin_unlock_irqrestore(&list->hiddev->list_lock, flags);
file->private_data = list;
if (!list->hiddev->open++)
if (list->hiddev->exist)
usbhid_open(hiddev_table[i]->hid);
/*
* no need for locking because the USB major number
* is shared which usbcore guards against disconnect
*/
if (list->hiddev->exist) {
if (!list->hiddev->open++) {
res = usbhid_open(hiddev_table[i]->hid);
if (res < 0) {
res = -EIO;
goto bail;
}
}
} else {
res = -ENODEV;
goto bail;
}
spin_lock_irq(&list->hiddev->list_lock);
list_add_tail(&list->node, &hiddev_table[i]->list);
spin_unlock_irq(&list->hiddev->list_lock);
return 0;
bail:
file->private_data = NULL;
kfree(list->hiddev);
return res;
}
/*
@ -305,7 +326,7 @@ static ssize_t hiddev_read(struct file * file, char __user * buffer, size_t coun
DECLARE_WAITQUEUE(wait, current);
struct hiddev_list *list = file->private_data;
int event_size;
int retval = 0;
int retval;
event_size = ((list->flags & HIDDEV_FLAG_UREF) != 0) ?
sizeof(struct hiddev_usage_ref) : sizeof(struct hiddev_event);
@ -313,10 +334,14 @@ static ssize_t hiddev_read(struct file * file, char __user * buffer, size_t coun
if (count < event_size)
return 0;
/* lock against other threads */
retval = mutex_lock_interruptible(&list->thread_lock);
if (retval)
return -ERESTARTSYS;
while (retval == 0) {
if (list->head == list->tail) {
add_wait_queue(&list->hiddev->wait, &wait);
set_current_state(TASK_INTERRUPTIBLE);
prepare_to_wait(&list->hiddev->wait, &wait, TASK_INTERRUPTIBLE);
while (list->head == list->tail) {
if (file->f_flags & O_NONBLOCK) {
@ -332,35 +357,45 @@ static ssize_t hiddev_read(struct file * file, char __user * buffer, size_t coun
break;
}
/* let O_NONBLOCK tasks run */
mutex_unlock(&list->thread_lock);
schedule();
if (mutex_lock_interruptible(&list->thread_lock))
return -EINTR;
set_current_state(TASK_INTERRUPTIBLE);
}
finish_wait(&list->hiddev->wait, &wait);
set_current_state(TASK_RUNNING);
remove_wait_queue(&list->hiddev->wait, &wait);
}
if (retval)
if (retval) {
mutex_unlock(&list->thread_lock);
return retval;
}
while (list->head != list->tail &&
retval + event_size <= count) {
if ((list->flags & HIDDEV_FLAG_UREF) == 0) {
if (list->buffer[list->tail].field_index !=
HID_FIELD_INDEX_NONE) {
if (list->buffer[list->tail].field_index != HID_FIELD_INDEX_NONE) {
struct hiddev_event event;
event.hid = list->buffer[list->tail].usage_code;
event.value = list->buffer[list->tail].value;
if (copy_to_user(buffer + retval, &event, sizeof(struct hiddev_event)))
if (copy_to_user(buffer + retval, &event, sizeof(struct hiddev_event))) {
mutex_unlock(&list->thread_lock);
return -EFAULT;
}
retval += sizeof(struct hiddev_event);
}
} else {
if (list->buffer[list->tail].field_index != HID_FIELD_INDEX_NONE ||
(list->flags & HIDDEV_FLAG_REPORT) != 0) {
if (copy_to_user(buffer + retval, list->buffer + list->tail, sizeof(struct hiddev_usage_ref)))
if (copy_to_user(buffer + retval, list->buffer + list->tail, sizeof(struct hiddev_usage_ref))) {
mutex_unlock(&list->thread_lock);
return -EFAULT;
}
retval += sizeof(struct hiddev_usage_ref);
}
}
@ -368,6 +403,7 @@ static ssize_t hiddev_read(struct file * file, char __user * buffer, size_t coun
}
}
mutex_unlock(&list->thread_lock);
return retval;
}
@ -555,7 +591,7 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
struct hid_field *field;
struct usbhid_device *usbhid = hid->driver_data;
void __user *user_arg = (void __user *)arg;
int i;
int i, r;
/* Called without BKL by compat methods so no BKL taken */
@ -619,10 +655,22 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
}
case HIDIOCGSTRING:
return hiddev_ioctl_string(hiddev, cmd, user_arg);
mutex_lock(&hiddev->existancelock);
if (!hiddev->exist)
r = hiddev_ioctl_string(hiddev, cmd, user_arg);
else
r = -ENODEV;
mutex_unlock(&hiddev->existancelock);
return r;
case HIDIOCINITREPORT:
mutex_lock(&hiddev->existancelock);
if (!hiddev->exist) {
mutex_unlock(&hiddev->existancelock);
return -ENODEV;
}
usbhid_init_reports(hid);
mutex_unlock(&hiddev->existancelock);
return 0;
@ -636,8 +684,12 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
if ((report = hiddev_lookup_report(hid, &rinfo)) == NULL)
return -EINVAL;
usbhid_submit_report(hid, report, USB_DIR_IN);
usbhid_wait_io(hid);
mutex_lock(&hiddev->existancelock);
if (hiddev->exist) {
usbhid_submit_report(hid, report, USB_DIR_IN);
usbhid_wait_io(hid);
}
mutex_unlock(&hiddev->existancelock);
return 0;
@ -651,8 +703,12 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
if ((report = hiddev_lookup_report(hid, &rinfo)) == NULL)
return -EINVAL;
usbhid_submit_report(hid, report, USB_DIR_OUT);
usbhid_wait_io(hid);
mutex_lock(&hiddev->existancelock);
if (hiddev->exist) {
usbhid_submit_report(hid, report, USB_DIR_OUT);
usbhid_wait_io(hid);
}
mutex_unlock(&hiddev->existancelock);
return 0;
@ -710,7 +766,13 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
case HIDIOCGUSAGES:
case HIDIOCSUSAGES:
case HIDIOCGCOLLECTIONINDEX:
return hiddev_ioctl_usage(hiddev, cmd, user_arg);
mutex_lock(&hiddev->existancelock);
if (hiddev->exist)
r = hiddev_ioctl_usage(hiddev, cmd, user_arg);
else
r = -ENODEV;
mutex_unlock(&hiddev->existancelock);
return r;
case HIDIOCGCOLLECTIONINFO:
if (copy_from_user(&cinfo, user_arg, sizeof(cinfo)))
@ -808,24 +870,23 @@ int hiddev_connect(struct hid_device *hid, unsigned int force)
if (!(hiddev = kzalloc(sizeof(struct hiddev), GFP_KERNEL)))
return -1;
init_waitqueue_head(&hiddev->wait);
INIT_LIST_HEAD(&hiddev->list);
spin_lock_init(&hiddev->list_lock);
mutex_init(&hiddev->existancelock);
hiddev->hid = hid;
hiddev->exist = 1;
retval = usb_register_dev(usbhid->intf, &hiddev_class);
if (retval) {
err_hid("Not able to get a minor for this device.");
kfree(hiddev);
return -1;
} else {
hid->minor = usbhid->intf->minor;
hiddev_table[usbhid->intf->minor - HIDDEV_MINOR_BASE] = hiddev;
}
init_waitqueue_head(&hiddev->wait);
INIT_LIST_HEAD(&hiddev->list);
spin_lock_init(&hiddev->list_lock);
hiddev->hid = hid;
hiddev->exist = 1;
hid->minor = usbhid->intf->minor;
hid->hiddev = hiddev;
hiddev_table[usbhid->intf->minor - HIDDEV_MINOR_BASE] = hiddev;
return 0;
}
@ -839,7 +900,9 @@ void hiddev_disconnect(struct hid_device *hid)
struct hiddev *hiddev = hid->hiddev;
struct usbhid_device *usbhid = hid->driver_data;
mutex_lock(&hiddev->existancelock);
hiddev->exist = 0;
mutex_unlock(&hiddev->existancelock);
hiddev_table[hiddev->hid->minor - HIDDEV_MINOR_BASE] = NULL;
usb_deregister_dev(usbhid->intf, &hiddev_class);

10
drivers/hid/usbhid/usbhid.h
View File

@ -40,6 +40,16 @@ int usbhid_open(struct hid_device *hid);
void usbhid_init_reports(struct hid_device *hid);
void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir);
/* iofl flags */
#define HID_CTRL_RUNNING 1
#define HID_OUT_RUNNING 2
#define HID_IN_RUNNING 3
#define HID_RESET_PENDING 4
#define HID_SUSPENDED 5
#define HID_CLEAR_HALT 6
#define HID_DISCONNECTED 7
#define HID_STARTED 8
/*
* USB-specific HID struct, to be pointed to
* from struct hid_device->driver_data

16
include/linux/hid.h
View File

@ -403,15 +403,6 @@ struct hid_output_fifo {
#define HID_STAT_ADDED 1
#define HID_STAT_PARSED 2
#define HID_CTRL_RUNNING 1
#define HID_OUT_RUNNING 2
#define HID_IN_RUNNING 3
#define HID_RESET_PENDING 4
#define HID_SUSPENDED 5
#define HID_CLEAR_HALT 6
#define HID_DISCONNECTED 7
#define HID_STARTED 8
struct hid_input {
struct list_head list;
struct hid_report *report;
@ -540,6 +531,8 @@ struct hid_usage_id {
* @name: driver name (e.g. "Footech_bar-wheel")
* @id_table: which devices is this driver for (must be non-NULL for probe
* to be called)
* @dyn_list: list of dynamically added device ids
* @dyn_lock: lock protecting @dyn_list
* @probe: new device inserted
* @remove: device removed (NULL if not a hot-plug capable driver)
* @report_table: on which reports to call raw_event (NULL means all)
@ -567,6 +560,9 @@ struct hid_driver {
char *name;
const struct hid_device_id *id_table;
struct list_head dyn_list;
spinlock_t dyn_lock;
int (*probe)(struct hid_device *dev, const struct hid_device_id *id);
void (*remove)(struct hid_device *dev);
@ -797,6 +793,8 @@ dbg_hid(const char *fmt, ...)
#ifdef CONFIG_HID_COMPAT
#define HID_COMPAT_LOAD_DRIVER(name) \
/* prototype to avoid sparse warning */ \
extern void hid_compat_##name(void); \
void hid_compat_##name(void) { } \
EXPORT_SYMBOL(hid_compat_##name)
#else

2
include/linux/hidraw.h
View File

@ -33,6 +33,8 @@ struct hidraw_devinfo {
#define HIDIOCGRDESCSIZE _IOR('H', 0x01, int)
#define HIDIOCGRDESC _IOR('H', 0x02, struct hidraw_report_descriptor)
#define HIDIOCGRAWINFO _IOR('H', 0x03, struct hidraw_devinfo)
#define HIDIOCGRAWNAME(len) _IOC(_IOC_READ, 'H', 0x04, len)
#define HIDIOCGRAWPHYS(len) _IOC(_IOC_READ, 'H', 0x05, len)
#define HIDRAW_FIRST_MINOR 0
#define HIDRAW_MAX_DEVICES 64