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Diffstat (limited to 'drivers/hid/hid-roccat-koneplus.c')
-rw-r--r--drivers/hid/hid-roccat-koneplus.c574
1 files changed, 574 insertions, 0 deletions
diff --git a/drivers/hid/hid-roccat-koneplus.c b/drivers/hid/hid-roccat-koneplus.c
new file mode 100644
index 000000000..1896c69ea
--- /dev/null
+++ b/drivers/hid/hid-roccat-koneplus.c
@@ -0,0 +1,574 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Roccat Kone[+] driver for Linux
+ *
+ * Copyright (c) 2010 Stefan Achatz <erazor_de@users.sourceforge.net>
+ */
+
+/*
+ */
+
+/*
+ * Roccat Kone[+] is an updated/improved version of the Kone with more memory
+ * and functionality and without the non-standard behaviours the Kone had.
+ * KoneXTD has same capabilities but updated sensor.
+ */
+
+#include <linux/device.h>
+#include <linux/input.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/hid-roccat.h>
+#include "hid-ids.h"
+#include "hid-roccat-common.h"
+#include "hid-roccat-koneplus.h"
+
+static uint profile_numbers[5] = {0, 1, 2, 3, 4};
+
+static struct class *koneplus_class;
+
+static void koneplus_profile_activated(struct koneplus_device *koneplus,
+ uint new_profile)
+{
+ koneplus->actual_profile = new_profile;
+}
+
+static int koneplus_send_control(struct usb_device *usb_dev, uint value,
+ enum koneplus_control_requests request)
+{
+ struct roccat_common2_control control;
+
+ if ((request == KONEPLUS_CONTROL_REQUEST_PROFILE_SETTINGS ||
+ request == KONEPLUS_CONTROL_REQUEST_PROFILE_BUTTONS) &&
+ value > 4)
+ return -EINVAL;
+
+ control.command = ROCCAT_COMMON_COMMAND_CONTROL;
+ control.value = value;
+ control.request = request;
+
+ return roccat_common2_send_with_status(usb_dev,
+ ROCCAT_COMMON_COMMAND_CONTROL,
+ &control, sizeof(struct roccat_common2_control));
+}
+
+
+/* retval is 0-4 on success, < 0 on error */
+static int koneplus_get_actual_profile(struct usb_device *usb_dev)
+{
+ struct koneplus_actual_profile buf;
+ int retval;
+
+ retval = roccat_common2_receive(usb_dev, KONEPLUS_COMMAND_ACTUAL_PROFILE,
+ &buf, KONEPLUS_SIZE_ACTUAL_PROFILE);
+
+ return retval ? retval : buf.actual_profile;
+}
+
+static int koneplus_set_actual_profile(struct usb_device *usb_dev,
+ int new_profile)
+{
+ struct koneplus_actual_profile buf;
+
+ buf.command = KONEPLUS_COMMAND_ACTUAL_PROFILE;
+ buf.size = KONEPLUS_SIZE_ACTUAL_PROFILE;
+ buf.actual_profile = new_profile;
+
+ return roccat_common2_send_with_status(usb_dev,
+ KONEPLUS_COMMAND_ACTUAL_PROFILE,
+ &buf, KONEPLUS_SIZE_ACTUAL_PROFILE);
+}
+
+static ssize_t koneplus_sysfs_read(struct file *fp, struct kobject *kobj,
+ char *buf, loff_t off, size_t count,
+ size_t real_size, uint command)
+{
+ struct device *dev = kobj_to_dev(kobj)->parent->parent;
+ struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev));
+ struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
+ int retval;
+
+ if (off >= real_size)
+ return 0;
+
+ if (off != 0 || count != real_size)
+ return -EINVAL;
+
+ mutex_lock(&koneplus->koneplus_lock);
+ retval = roccat_common2_receive(usb_dev, command, buf, real_size);
+ mutex_unlock(&koneplus->koneplus_lock);
+
+ if (retval)
+ return retval;
+
+ return real_size;
+}
+
+static ssize_t koneplus_sysfs_write(struct file *fp, struct kobject *kobj,
+ void const *buf, loff_t off, size_t count,
+ size_t real_size, uint command)
+{
+ struct device *dev = kobj_to_dev(kobj)->parent->parent;
+ struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev));
+ struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
+ int retval;
+
+ if (off != 0 || count != real_size)
+ return -EINVAL;
+
+ mutex_lock(&koneplus->koneplus_lock);
+ retval = roccat_common2_send_with_status(usb_dev, command,
+ buf, real_size);
+ mutex_unlock(&koneplus->koneplus_lock);
+
+ if (retval)
+ return retval;
+
+ return real_size;
+}
+
+#define KONEPLUS_SYSFS_W(thingy, THINGY) \
+static ssize_t koneplus_sysfs_write_ ## thingy(struct file *fp, \
+ struct kobject *kobj, struct bin_attribute *attr, char *buf, \
+ loff_t off, size_t count) \
+{ \
+ return koneplus_sysfs_write(fp, kobj, buf, off, count, \
+ KONEPLUS_SIZE_ ## THINGY, KONEPLUS_COMMAND_ ## THINGY); \
+}
+
+#define KONEPLUS_SYSFS_R(thingy, THINGY) \
+static ssize_t koneplus_sysfs_read_ ## thingy(struct file *fp, \
+ struct kobject *kobj, struct bin_attribute *attr, char *buf, \
+ loff_t off, size_t count) \
+{ \
+ return koneplus_sysfs_read(fp, kobj, buf, off, count, \
+ KONEPLUS_SIZE_ ## THINGY, KONEPLUS_COMMAND_ ## THINGY); \
+}
+
+#define KONEPLUS_SYSFS_RW(thingy, THINGY) \
+KONEPLUS_SYSFS_W(thingy, THINGY) \
+KONEPLUS_SYSFS_R(thingy, THINGY)
+
+#define KONEPLUS_BIN_ATTRIBUTE_RW(thingy, THINGY) \
+KONEPLUS_SYSFS_RW(thingy, THINGY); \
+static struct bin_attribute bin_attr_##thingy = { \
+ .attr = { .name = #thingy, .mode = 0660 }, \
+ .size = KONEPLUS_SIZE_ ## THINGY, \
+ .read = koneplus_sysfs_read_ ## thingy, \
+ .write = koneplus_sysfs_write_ ## thingy \
+}
+
+#define KONEPLUS_BIN_ATTRIBUTE_R(thingy, THINGY) \
+KONEPLUS_SYSFS_R(thingy, THINGY); \
+static struct bin_attribute bin_attr_##thingy = { \
+ .attr = { .name = #thingy, .mode = 0440 }, \
+ .size = KONEPLUS_SIZE_ ## THINGY, \
+ .read = koneplus_sysfs_read_ ## thingy, \
+}
+
+#define KONEPLUS_BIN_ATTRIBUTE_W(thingy, THINGY) \
+KONEPLUS_SYSFS_W(thingy, THINGY); \
+static struct bin_attribute bin_attr_##thingy = { \
+ .attr = { .name = #thingy, .mode = 0220 }, \
+ .size = KONEPLUS_SIZE_ ## THINGY, \
+ .write = koneplus_sysfs_write_ ## thingy \
+}
+KONEPLUS_BIN_ATTRIBUTE_W(control, CONTROL);
+KONEPLUS_BIN_ATTRIBUTE_W(talk, TALK);
+KONEPLUS_BIN_ATTRIBUTE_W(macro, MACRO);
+KONEPLUS_BIN_ATTRIBUTE_R(tcu_image, TCU_IMAGE);
+KONEPLUS_BIN_ATTRIBUTE_RW(info, INFO);
+KONEPLUS_BIN_ATTRIBUTE_RW(sensor, SENSOR);
+KONEPLUS_BIN_ATTRIBUTE_RW(tcu, TCU);
+KONEPLUS_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS);
+KONEPLUS_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS);
+
+static ssize_t koneplus_sysfs_read_profilex_settings(struct file *fp,
+ struct kobject *kobj, struct bin_attribute *attr, char *buf,
+ loff_t off, size_t count)
+{
+ struct device *dev = kobj_to_dev(kobj)->parent->parent;
+ struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
+ ssize_t retval;
+
+ retval = koneplus_send_control(usb_dev, *(uint *)(attr->private),
+ KONEPLUS_CONTROL_REQUEST_PROFILE_SETTINGS);
+ if (retval)
+ return retval;
+
+ return koneplus_sysfs_read(fp, kobj, buf, off, count,
+ KONEPLUS_SIZE_PROFILE_SETTINGS,
+ KONEPLUS_COMMAND_PROFILE_SETTINGS);
+}
+
+static ssize_t koneplus_sysfs_read_profilex_buttons(struct file *fp,
+ struct kobject *kobj, struct bin_attribute *attr, char *buf,
+ loff_t off, size_t count)
+{
+ struct device *dev = kobj_to_dev(kobj)->parent->parent;
+ struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
+ ssize_t retval;
+
+ retval = koneplus_send_control(usb_dev, *(uint *)(attr->private),
+ KONEPLUS_CONTROL_REQUEST_PROFILE_BUTTONS);
+ if (retval)
+ return retval;
+
+ return koneplus_sysfs_read(fp, kobj, buf, off, count,
+ KONEPLUS_SIZE_PROFILE_BUTTONS,
+ KONEPLUS_COMMAND_PROFILE_BUTTONS);
+}
+
+#define PROFILE_ATTR(number) \
+static struct bin_attribute bin_attr_profile##number##_settings = { \
+ .attr = { .name = "profile" #number "_settings", .mode = 0440 }, \
+ .size = KONEPLUS_SIZE_PROFILE_SETTINGS, \
+ .read = koneplus_sysfs_read_profilex_settings, \
+ .private = &profile_numbers[number-1], \
+}; \
+static struct bin_attribute bin_attr_profile##number##_buttons = { \
+ .attr = { .name = "profile" #number "_buttons", .mode = 0440 }, \
+ .size = KONEPLUS_SIZE_PROFILE_BUTTONS, \
+ .read = koneplus_sysfs_read_profilex_buttons, \
+ .private = &profile_numbers[number-1], \
+};
+PROFILE_ATTR(1);
+PROFILE_ATTR(2);
+PROFILE_ATTR(3);
+PROFILE_ATTR(4);
+PROFILE_ATTR(5);
+
+static ssize_t koneplus_sysfs_show_actual_profile(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct koneplus_device *koneplus =
+ hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
+ return snprintf(buf, PAGE_SIZE, "%d\n", koneplus->actual_profile);
+}
+
+static ssize_t koneplus_sysfs_set_actual_profile(struct device *dev,
+ struct device_attribute *attr, char const *buf, size_t size)
+{
+ struct koneplus_device *koneplus;
+ struct usb_device *usb_dev;
+ unsigned long profile;
+ int retval;
+ struct koneplus_roccat_report roccat_report;
+
+ dev = dev->parent->parent;
+ koneplus = hid_get_drvdata(dev_get_drvdata(dev));
+ usb_dev = interface_to_usbdev(to_usb_interface(dev));
+
+ retval = kstrtoul(buf, 10, &profile);
+ if (retval)
+ return retval;
+
+ if (profile > 4)
+ return -EINVAL;
+
+ mutex_lock(&koneplus->koneplus_lock);
+
+ retval = koneplus_set_actual_profile(usb_dev, profile);
+ if (retval) {
+ mutex_unlock(&koneplus->koneplus_lock);
+ return retval;
+ }
+
+ koneplus_profile_activated(koneplus, profile);
+
+ roccat_report.type = KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE;
+ roccat_report.data1 = profile + 1;
+ roccat_report.data2 = 0;
+ roccat_report.profile = profile + 1;
+ roccat_report_event(koneplus->chrdev_minor,
+ (uint8_t const *)&roccat_report);
+
+ mutex_unlock(&koneplus->koneplus_lock);
+
+ return size;
+}
+static DEVICE_ATTR(actual_profile, 0660,
+ koneplus_sysfs_show_actual_profile,
+ koneplus_sysfs_set_actual_profile);
+static DEVICE_ATTR(startup_profile, 0660,
+ koneplus_sysfs_show_actual_profile,
+ koneplus_sysfs_set_actual_profile);
+
+static ssize_t koneplus_sysfs_show_firmware_version(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct koneplus_device *koneplus;
+ struct usb_device *usb_dev;
+ struct koneplus_info info;
+
+ dev = dev->parent->parent;
+ koneplus = hid_get_drvdata(dev_get_drvdata(dev));
+ usb_dev = interface_to_usbdev(to_usb_interface(dev));
+
+ mutex_lock(&koneplus->koneplus_lock);
+ roccat_common2_receive(usb_dev, KONEPLUS_COMMAND_INFO,
+ &info, KONEPLUS_SIZE_INFO);
+ mutex_unlock(&koneplus->koneplus_lock);
+
+ return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version);
+}
+static DEVICE_ATTR(firmware_version, 0440,
+ koneplus_sysfs_show_firmware_version, NULL);
+
+static struct attribute *koneplus_attrs[] = {
+ &dev_attr_actual_profile.attr,
+ &dev_attr_startup_profile.attr,
+ &dev_attr_firmware_version.attr,
+ NULL,
+};
+
+static struct bin_attribute *koneplus_bin_attributes[] = {
+ &bin_attr_control,
+ &bin_attr_talk,
+ &bin_attr_macro,
+ &bin_attr_tcu_image,
+ &bin_attr_info,
+ &bin_attr_sensor,
+ &bin_attr_tcu,
+ &bin_attr_profile_settings,
+ &bin_attr_profile_buttons,
+ &bin_attr_profile1_settings,
+ &bin_attr_profile2_settings,
+ &bin_attr_profile3_settings,
+ &bin_attr_profile4_settings,
+ &bin_attr_profile5_settings,
+ &bin_attr_profile1_buttons,
+ &bin_attr_profile2_buttons,
+ &bin_attr_profile3_buttons,
+ &bin_attr_profile4_buttons,
+ &bin_attr_profile5_buttons,
+ NULL,
+};
+
+static const struct attribute_group koneplus_group = {
+ .attrs = koneplus_attrs,
+ .bin_attrs = koneplus_bin_attributes,
+};
+
+static const struct attribute_group *koneplus_groups[] = {
+ &koneplus_group,
+ NULL,
+};
+
+static int koneplus_init_koneplus_device_struct(struct usb_device *usb_dev,
+ struct koneplus_device *koneplus)
+{
+ int retval;
+
+ mutex_init(&koneplus->koneplus_lock);
+
+ retval = koneplus_get_actual_profile(usb_dev);
+ if (retval < 0)
+ return retval;
+ koneplus_profile_activated(koneplus, retval);
+
+ return 0;
+}
+
+static int koneplus_init_specials(struct hid_device *hdev)
+{
+ struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+ struct usb_device *usb_dev = interface_to_usbdev(intf);
+ struct koneplus_device *koneplus;
+ int retval;
+
+ if (intf->cur_altsetting->desc.bInterfaceProtocol
+ == USB_INTERFACE_PROTOCOL_MOUSE) {
+
+ koneplus = kzalloc(sizeof(*koneplus), GFP_KERNEL);
+ if (!koneplus) {
+ hid_err(hdev, "can't alloc device descriptor\n");
+ return -ENOMEM;
+ }
+ hid_set_drvdata(hdev, koneplus);
+
+ retval = koneplus_init_koneplus_device_struct(usb_dev, koneplus);
+ if (retval) {
+ hid_err(hdev, "couldn't init struct koneplus_device\n");
+ goto exit_free;
+ }
+
+ retval = roccat_connect(koneplus_class, hdev,
+ sizeof(struct koneplus_roccat_report));
+ if (retval < 0) {
+ hid_err(hdev, "couldn't init char dev\n");
+ } else {
+ koneplus->chrdev_minor = retval;
+ koneplus->roccat_claimed = 1;
+ }
+ } else {
+ hid_set_drvdata(hdev, NULL);
+ }
+
+ return 0;
+exit_free:
+ kfree(koneplus);
+ return retval;
+}
+
+static void koneplus_remove_specials(struct hid_device *hdev)
+{
+ struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+ struct koneplus_device *koneplus;
+
+ if (intf->cur_altsetting->desc.bInterfaceProtocol
+ == USB_INTERFACE_PROTOCOL_MOUSE) {
+ koneplus = hid_get_drvdata(hdev);
+ if (koneplus->roccat_claimed)
+ roccat_disconnect(koneplus->chrdev_minor);
+ kfree(koneplus);
+ }
+}
+
+static int koneplus_probe(struct hid_device *hdev,
+ const struct hid_device_id *id)
+{
+ int retval;
+
+ if (!hid_is_usb(hdev))
+ return -EINVAL;
+
+ retval = hid_parse(hdev);
+ if (retval) {
+ hid_err(hdev, "parse failed\n");
+ goto exit;
+ }
+
+ retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
+ if (retval) {
+ hid_err(hdev, "hw start failed\n");
+ goto exit;
+ }
+
+ retval = koneplus_init_specials(hdev);
+ if (retval) {
+ hid_err(hdev, "couldn't install mouse\n");
+ goto exit_stop;
+ }
+
+ return 0;
+
+exit_stop:
+ hid_hw_stop(hdev);
+exit:
+ return retval;
+}
+
+static void koneplus_remove(struct hid_device *hdev)
+{
+ koneplus_remove_specials(hdev);
+ hid_hw_stop(hdev);
+}
+
+static void koneplus_keep_values_up_to_date(struct koneplus_device *koneplus,
+ u8 const *data)
+{
+ struct koneplus_mouse_report_button const *button_report;
+
+ switch (data[0]) {
+ case KONEPLUS_MOUSE_REPORT_NUMBER_BUTTON:
+ button_report = (struct koneplus_mouse_report_button const *)data;
+ switch (button_report->type) {
+ case KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE:
+ koneplus_profile_activated(koneplus, button_report->data1 - 1);
+ break;
+ }
+ break;
+ }
+}
+
+static void koneplus_report_to_chrdev(struct koneplus_device const *koneplus,
+ u8 const *data)
+{
+ struct koneplus_roccat_report roccat_report;
+ struct koneplus_mouse_report_button const *button_report;
+
+ if (data[0] != KONEPLUS_MOUSE_REPORT_NUMBER_BUTTON)
+ return;
+
+ button_report = (struct koneplus_mouse_report_button const *)data;
+
+ if ((button_report->type == KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_QUICKLAUNCH ||
+ button_report->type == KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_TIMER) &&
+ button_report->data2 != KONEPLUS_MOUSE_REPORT_BUTTON_ACTION_PRESS)
+ return;
+
+ roccat_report.type = button_report->type;
+ roccat_report.data1 = button_report->data1;
+ roccat_report.data2 = button_report->data2;
+ roccat_report.profile = koneplus->actual_profile + 1;
+ roccat_report_event(koneplus->chrdev_minor,
+ (uint8_t const *)&roccat_report);
+}
+
+static int koneplus_raw_event(struct hid_device *hdev,
+ struct hid_report *report, u8 *data, int size)
+{
+ struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+ struct koneplus_device *koneplus = hid_get_drvdata(hdev);
+
+ if (intf->cur_altsetting->desc.bInterfaceProtocol
+ != USB_INTERFACE_PROTOCOL_MOUSE)
+ return 0;
+
+ if (koneplus == NULL)
+ return 0;
+
+ koneplus_keep_values_up_to_date(koneplus, data);
+
+ if (koneplus->roccat_claimed)
+ koneplus_report_to_chrdev(koneplus, data);
+
+ return 0;
+}
+
+static const struct hid_device_id koneplus_devices[] = {
+ { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
+ { }
+};
+
+MODULE_DEVICE_TABLE(hid, koneplus_devices);
+
+static struct hid_driver koneplus_driver = {
+ .name = "koneplus",
+ .id_table = koneplus_devices,
+ .probe = koneplus_probe,
+ .remove = koneplus_remove,
+ .raw_event = koneplus_raw_event
+};
+
+static int __init koneplus_init(void)
+{
+ int retval;
+
+ /* class name has to be same as driver name */
+ koneplus_class = class_create(THIS_MODULE, "koneplus");
+ if (IS_ERR(koneplus_class))
+ return PTR_ERR(koneplus_class);
+ koneplus_class->dev_groups = koneplus_groups;
+
+ retval = hid_register_driver(&koneplus_driver);
+ if (retval)
+ class_destroy(koneplus_class);
+ return retval;
+}
+
+static void __exit koneplus_exit(void)
+{
+ hid_unregister_driver(&koneplus_driver);
+ class_destroy(koneplus_class);
+}
+
+module_init(koneplus_init);
+module_exit(koneplus_exit);
+
+MODULE_AUTHOR("Stefan Achatz");
+MODULE_DESCRIPTION("USB Roccat Kone[+]/XTD driver");
+MODULE_LICENSE("GPL v2");