![Linus Torvalds](/assets/img/avatar_default.png)
Pull HID updates from Jiri Kosina: "Highlights: - conversion of HID subsystem to use devm-based resource management, from Benjamin Tissoires - i2c-hid support for DT bindings, from Benjamin Tissoires - much improved support for Win8-multitouch devices, from Benjamin Tissoires - cleanup of core code using common hidinput_input_event(), from David Herrmann - fix for bug in implement() access to the bit stream (causing oops) that has been present in the code for ages, but devices that are able to trigger it have started to appear only now, from Jiri Kosina - fixes for CVE-2013-2899, CVE-2013-2898, CVE-2013-2896, CVE-2013-2892, CVE-2013-2888 (all triggerable only by specially crafted malicious HW devices plugged into the system), from Kees Cook - hidraw oops fix, from Manoj Chourasia - various smaller fixes here and there, support for a bunch of new devices by various contributors" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (53 commits) HID: MAINTAINERS: add roccat drivers HID: hid-sensor-hub: change kmalloc + memcpy by kmemdup HID: hid-sensor-hub: move to devm_kzalloc HID: hid-sensor-hub: fix indentation accross the code HID: move HID_REPORT_TYPES closer to the report-definitions HID: check for NULL field when setting values HID: picolcd_core: validate output report details HID: sensor-hub: validate feature report details HID: ntrig: validate feature report details HID: pantherlord: validate output report details HID: hid-wiimote: print small buffers via %*phC HID: uhid: improve uhid example client HID: Correct the USB IDs for the new Macbook Air 6 HID: wiimote: add support for Guitar-Hero guitars HID: wiimote: add support for Guitar-Hero drums Input: introduce BTN/ABS bits for drums and guitars HID: battery: don't do DMA from stack HID: roccat: add support for KonePureOptical v2 HID: picolcd: Prevent NULL pointer dereference on _remove() HID: usbhid: quirk for N-Trig DuoSense Touch Screen ...
319 lines
8.2 KiB
C
319 lines
8.2 KiB
C
/*
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* Roccat KonePure driver for Linux
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*
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* Copyright (c) 2012 Stefan Achatz <erazor_de@users.sourceforge.net>
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*/
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/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*/
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/*
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* Roccat KonePure is a smaller version of KoneXTD with less buttons and lights.
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*/
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#include <linux/device.h>
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#include <linux/input.h>
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#include <linux/hid.h>
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/hid-roccat.h>
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#include "hid-ids.h"
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#include "hid-roccat-common.h"
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#include "hid-roccat-konepure.h"
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static struct class *konepure_class;
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static ssize_t konepure_sysfs_read(struct file *fp, struct kobject *kobj,
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char *buf, loff_t off, size_t count,
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size_t real_size, uint command)
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{
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struct device *dev =
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container_of(kobj, struct device, kobj)->parent->parent;
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struct konepure_device *konepure = hid_get_drvdata(dev_get_drvdata(dev));
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struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
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int retval;
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if (off >= real_size)
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return 0;
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if (off != 0 || count != real_size)
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return -EINVAL;
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mutex_lock(&konepure->konepure_lock);
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retval = roccat_common2_receive(usb_dev, command, buf, real_size);
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mutex_unlock(&konepure->konepure_lock);
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return retval ? retval : real_size;
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}
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static ssize_t konepure_sysfs_write(struct file *fp, struct kobject *kobj,
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void const *buf, loff_t off, size_t count,
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size_t real_size, uint command)
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{
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struct device *dev =
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container_of(kobj, struct device, kobj)->parent->parent;
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struct konepure_device *konepure = hid_get_drvdata(dev_get_drvdata(dev));
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struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
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int retval;
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if (off != 0 || count != real_size)
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return -EINVAL;
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mutex_lock(&konepure->konepure_lock);
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retval = roccat_common2_send_with_status(usb_dev, command,
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(void *)buf, real_size);
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mutex_unlock(&konepure->konepure_lock);
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return retval ? retval : real_size;
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}
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#define KONEPURE_SYSFS_W(thingy, THINGY) \
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static ssize_t konepure_sysfs_write_ ## thingy(struct file *fp, \
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struct kobject *kobj, struct bin_attribute *attr, char *buf, \
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loff_t off, size_t count) \
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{ \
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return konepure_sysfs_write(fp, kobj, buf, off, count, \
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KONEPURE_SIZE_ ## THINGY, KONEPURE_COMMAND_ ## THINGY); \
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}
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#define KONEPURE_SYSFS_R(thingy, THINGY) \
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static ssize_t konepure_sysfs_read_ ## thingy(struct file *fp, \
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struct kobject *kobj, struct bin_attribute *attr, char *buf, \
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loff_t off, size_t count) \
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{ \
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return konepure_sysfs_read(fp, kobj, buf, off, count, \
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KONEPURE_SIZE_ ## THINGY, KONEPURE_COMMAND_ ## THINGY); \
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}
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#define KONEPURE_SYSFS_RW(thingy, THINGY) \
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KONEPURE_SYSFS_W(thingy, THINGY) \
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KONEPURE_SYSFS_R(thingy, THINGY)
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#define KONEPURE_BIN_ATTRIBUTE_RW(thingy, THINGY) \
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KONEPURE_SYSFS_RW(thingy, THINGY); \
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static struct bin_attribute bin_attr_##thingy = { \
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.attr = { .name = #thingy, .mode = 0660 }, \
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.size = KONEPURE_SIZE_ ## THINGY, \
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.read = konepure_sysfs_read_ ## thingy, \
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.write = konepure_sysfs_write_ ## thingy \
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}
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#define KONEPURE_BIN_ATTRIBUTE_R(thingy, THINGY) \
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KONEPURE_SYSFS_R(thingy, THINGY); \
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static struct bin_attribute bin_attr_##thingy = { \
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.attr = { .name = #thingy, .mode = 0440 }, \
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.size = KONEPURE_SIZE_ ## THINGY, \
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.read = konepure_sysfs_read_ ## thingy, \
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}
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#define KONEPURE_BIN_ATTRIBUTE_W(thingy, THINGY) \
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KONEPURE_SYSFS_W(thingy, THINGY); \
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static struct bin_attribute bin_attr_##thingy = { \
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.attr = { .name = #thingy, .mode = 0220 }, \
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.size = KONEPURE_SIZE_ ## THINGY, \
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.write = konepure_sysfs_write_ ## thingy \
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}
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KONEPURE_BIN_ATTRIBUTE_RW(actual_profile, ACTUAL_PROFILE);
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KONEPURE_BIN_ATTRIBUTE_RW(info, INFO);
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KONEPURE_BIN_ATTRIBUTE_RW(sensor, SENSOR);
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KONEPURE_BIN_ATTRIBUTE_RW(tcu, TCU);
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KONEPURE_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS);
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KONEPURE_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS);
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KONEPURE_BIN_ATTRIBUTE_W(control, CONTROL);
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KONEPURE_BIN_ATTRIBUTE_W(talk, TALK);
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KONEPURE_BIN_ATTRIBUTE_W(macro, MACRO);
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KONEPURE_BIN_ATTRIBUTE_R(tcu_image, TCU_IMAGE);
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static struct bin_attribute *konepure_bin_attributes[] = {
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&bin_attr_actual_profile,
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&bin_attr_info,
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&bin_attr_sensor,
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&bin_attr_tcu,
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&bin_attr_profile_settings,
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&bin_attr_profile_buttons,
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&bin_attr_control,
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&bin_attr_talk,
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&bin_attr_macro,
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&bin_attr_tcu_image,
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NULL,
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};
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static const struct attribute_group konepure_group = {
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.bin_attrs = konepure_bin_attributes,
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};
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static const struct attribute_group *konepure_groups[] = {
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&konepure_group,
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NULL,
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};
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static int konepure_init_konepure_device_struct(struct usb_device *usb_dev,
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struct konepure_device *konepure)
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{
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mutex_init(&konepure->konepure_lock);
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return 0;
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}
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static int konepure_init_specials(struct hid_device *hdev)
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{
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struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
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struct usb_device *usb_dev = interface_to_usbdev(intf);
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struct konepure_device *konepure;
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int retval;
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if (intf->cur_altsetting->desc.bInterfaceProtocol
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!= USB_INTERFACE_PROTOCOL_MOUSE) {
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hid_set_drvdata(hdev, NULL);
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return 0;
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}
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konepure = kzalloc(sizeof(*konepure), GFP_KERNEL);
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if (!konepure) {
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hid_err(hdev, "can't alloc device descriptor\n");
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return -ENOMEM;
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}
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hid_set_drvdata(hdev, konepure);
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retval = konepure_init_konepure_device_struct(usb_dev, konepure);
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if (retval) {
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hid_err(hdev, "couldn't init struct konepure_device\n");
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goto exit_free;
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}
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retval = roccat_connect(konepure_class, hdev,
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sizeof(struct konepure_mouse_report_button));
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if (retval < 0) {
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hid_err(hdev, "couldn't init char dev\n");
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} else {
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konepure->chrdev_minor = retval;
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konepure->roccat_claimed = 1;
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}
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return 0;
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exit_free:
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kfree(konepure);
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return retval;
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}
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static void konepure_remove_specials(struct hid_device *hdev)
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{
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struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
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struct konepure_device *konepure;
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if (intf->cur_altsetting->desc.bInterfaceProtocol
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!= USB_INTERFACE_PROTOCOL_MOUSE)
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return;
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konepure = hid_get_drvdata(hdev);
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if (konepure->roccat_claimed)
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roccat_disconnect(konepure->chrdev_minor);
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kfree(konepure);
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}
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static int konepure_probe(struct hid_device *hdev,
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const struct hid_device_id *id)
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{
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int retval;
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retval = hid_parse(hdev);
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if (retval) {
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hid_err(hdev, "parse failed\n");
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goto exit;
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}
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retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
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if (retval) {
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hid_err(hdev, "hw start failed\n");
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goto exit;
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}
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retval = konepure_init_specials(hdev);
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if (retval) {
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hid_err(hdev, "couldn't install mouse\n");
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goto exit_stop;
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}
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return 0;
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exit_stop:
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hid_hw_stop(hdev);
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exit:
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return retval;
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}
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static void konepure_remove(struct hid_device *hdev)
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{
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konepure_remove_specials(hdev);
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hid_hw_stop(hdev);
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}
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static int konepure_raw_event(struct hid_device *hdev,
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struct hid_report *report, u8 *data, int size)
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{
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struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
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struct konepure_device *konepure = hid_get_drvdata(hdev);
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if (intf->cur_altsetting->desc.bInterfaceProtocol
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!= USB_INTERFACE_PROTOCOL_MOUSE)
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return 0;
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if (data[0] != KONEPURE_MOUSE_REPORT_NUMBER_BUTTON)
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return 0;
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if (konepure != NULL && konepure->roccat_claimed)
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roccat_report_event(konepure->chrdev_minor, data);
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return 0;
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}
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static const struct hid_device_id konepure_devices[] = {
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{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
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{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) },
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{ }
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};
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MODULE_DEVICE_TABLE(hid, konepure_devices);
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static struct hid_driver konepure_driver = {
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.name = "konepure",
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.id_table = konepure_devices,
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.probe = konepure_probe,
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.remove = konepure_remove,
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.raw_event = konepure_raw_event
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};
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static int __init konepure_init(void)
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{
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int retval;
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konepure_class = class_create(THIS_MODULE, "konepure");
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if (IS_ERR(konepure_class))
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return PTR_ERR(konepure_class);
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konepure_class->dev_groups = konepure_groups;
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retval = hid_register_driver(&konepure_driver);
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if (retval)
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class_destroy(konepure_class);
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return retval;
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}
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static void __exit konepure_exit(void)
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{
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hid_unregister_driver(&konepure_driver);
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class_destroy(konepure_class);
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}
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module_init(konepure_init);
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module_exit(konepure_exit);
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MODULE_AUTHOR("Stefan Achatz");
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MODULE_DESCRIPTION("USB Roccat KonePure/Optical driver");
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MODULE_LICENSE("GPL v2");
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