[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / hid / hid-roccat-koneplus.c

/*
 * Roccat Kone[+] driver for Linux
 *
 * Copyright (c) 2010 Stefan Achatz <erazor_de@users.sourceforge.net>
 */

/*
 * 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.
 */

/*
 * 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 =
			container_of(kobj, struct device, 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 =
			container_of(kobj, struct device, 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) \
{ \
	.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) \
{ \
	.attr = { .name = #thingy, .mode = 0440 }, \
	.size = KONEPLUS_SIZE_ ## THINGY, \
	.read = koneplus_sysfs_read_ ## thingy, \
}

#define KONEPLUS_BIN_ATTRIBUTE_W(thingy, THINGY) \
{ \
	.attr = { .name = #thingy, .mode = 0220 }, \
	.size = KONEPLUS_SIZE_ ## THINGY, \
	.write = koneplus_sysfs_write_ ## thingy \
}

KONEPLUS_SYSFS_W(control, CONTROL)
KONEPLUS_SYSFS_RW(info, INFO)
KONEPLUS_SYSFS_W(talk, TALK)
KONEPLUS_SYSFS_W(macro, MACRO)
KONEPLUS_SYSFS_RW(sensor, SENSOR)
KONEPLUS_SYSFS_RW(tcu, TCU)
KONEPLUS_SYSFS_R(tcu_image, TCU_IMAGE)
KONEPLUS_SYSFS_RW(profile_settings, PROFILE_SETTINGS)
KONEPLUS_SYSFS_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 =
			container_of(kobj, struct device, 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 =
			container_of(kobj, struct device, 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);
}

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 = strict_strtoul(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 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 struct device_attribute koneplus_attributes[] = {
	__ATTR(actual_profile, 0660,
			koneplus_sysfs_show_actual_profile,
			koneplus_sysfs_set_actual_profile),
	__ATTR(startup_profile, 0660,
			koneplus_sysfs_show_actual_profile,
			koneplus_sysfs_set_actual_profile),
	__ATTR(firmware_version, 0440,
			koneplus_sysfs_show_firmware_version, NULL),
	__ATTR_NULL
};

static struct bin_attribute koneplus_bin_attributes[] = {
	KONEPLUS_BIN_ATTRIBUTE_W(control, CONTROL),
	KONEPLUS_BIN_ATTRIBUTE_RW(info, INFO),
	KONEPLUS_BIN_ATTRIBUTE_W(talk, TALK),
	KONEPLUS_BIN_ATTRIBUTE_W(macro, MACRO),
	KONEPLUS_BIN_ATTRIBUTE_RW(sensor, SENSOR),
	KONEPLUS_BIN_ATTRIBUTE_RW(tcu, TCU),
	KONEPLUS_BIN_ATTRIBUTE_R(tcu_image, TCU_IMAGE),
	KONEPLUS_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS),
	KONEPLUS_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS),
	{
		.attr = { .name = "profile1_settings", .mode = 0440 },
		.size = KONEPLUS_SIZE_PROFILE_SETTINGS,
		.read = koneplus_sysfs_read_profilex_settings,
		.private = &profile_numbers[0]
	},
	{
		.attr = { .name = "profile2_settings", .mode = 0440 },
		.size = KONEPLUS_SIZE_PROFILE_SETTINGS,
		.read = koneplus_sysfs_read_profilex_settings,
		.private = &profile_numbers[1]
	},
	{
		.attr = { .name = "profile3_settings", .mode = 0440 },
		.size = KONEPLUS_SIZE_PROFILE_SETTINGS,
		.read = koneplus_sysfs_read_profilex_settings,
		.private = &profile_numbers[2]
	},
	{
		.attr = { .name = "profile4_settings", .mode = 0440 },
		.size = KONEPLUS_SIZE_PROFILE_SETTINGS,
		.read = koneplus_sysfs_read_profilex_settings,
		.private = &profile_numbers[3]
	},
	{
		.attr = { .name = "profile5_settings", .mode = 0440 },
		.size = KONEPLUS_SIZE_PROFILE_SETTINGS,
		.read = koneplus_sysfs_read_profilex_settings,
		.private = &profile_numbers[4]
	},
	{
		.attr = { .name = "profile1_buttons", .mode = 0440 },
		.size = KONEPLUS_SIZE_PROFILE_BUTTONS,
		.read = koneplus_sysfs_read_profilex_buttons,
		.private = &profile_numbers[0]
	},
	{
		.attr = { .name = "profile2_buttons", .mode = 0440 },
		.size = KONEPLUS_SIZE_PROFILE_BUTTONS,
		.read = koneplus_sysfs_read_profilex_buttons,
		.private = &profile_numbers[1]
	},
	{
		.attr = { .name = "profile3_buttons", .mode = 0440 },
		.size = KONEPLUS_SIZE_PROFILE_BUTTONS,
		.read = koneplus_sysfs_read_profilex_buttons,
		.private = &profile_numbers[2]
	},
	{
		.attr = { .name = "profile4_buttons", .mode = 0440 },
		.size = KONEPLUS_SIZE_PROFILE_BUTTONS,
		.read = koneplus_sysfs_read_profilex_buttons,
		.private = &profile_numbers[3]
	},
	{
		.attr = { .name = "profile5_buttons", .mode = 0440 },
		.size = KONEPLUS_SIZE_PROFILE_BUTTONS,
		.read = koneplus_sysfs_read_profilex_buttons,
		.private = &profile_numbers[4]
	},
	__ATTR_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;

	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_attrs = koneplus_attributes;
	koneplus_class->dev_bin_attrs = koneplus_bin_attributes;

	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");
Commit	Line	Data
47dbdbff SA	1	/*
	2	* Roccat Kone[+] driver for Linux
	3	*
	4	* Copyright (c) 2010 Stefan Achatz <erazor_de@users.sourceforge.net>
	5	*/
	6
	7	/*
	8	* This program is free software; you can redistribute it and/or modify it
	9	* under the terms of the GNU General Public License as published by the Free
	10	* Software Foundation; either version 2 of the License, or (at your option)
	11	* any later version.
	12	*/
	13
	14	/*
	15	* Roccat Kone[+] is an updated/improved version of the Kone with more memory
	16	* and functionality and without the non-standard behaviours the Kone had.
8e74a2d3	17	* KoneXTD has same capabilities but updated sensor.
47dbdbff SA	18	*/
	19
	20	#include <linux/device.h>
	21	#include <linux/input.h>
	22	#include <linux/hid.h>
47dbdbff SA	23	#include <linux/module.h>
47dbdbff SA	24	#include <linux/slab.h>
5dc0c983	25	#include <linux/hid-roccat.h>
47dbdbff	26	#include "hid-ids.h"
5772f636	27	#include "hid-roccat-common.h"
47dbdbff SA	28	#include "hid-roccat-koneplus.h"
	29
	30	static uint profile_numbers[5] = {0, 1, 2, 3, 4};
	31
	32	static struct class *koneplus_class;
	33
	34	static void koneplus_profile_activated(struct koneplus_device *koneplus,
	35	uint new_profile)
	36	{
	37	koneplus->actual_profile = new_profile;
	38	}
	39
	40	static int koneplus_send_control(struct usb_device *usb_dev, uint value,
	41	enum koneplus_control_requests request)
	42	{
7392d73b	43	struct roccat_common2_control control;
47dbdbff SA	44
	45	if ((request == KONEPLUS_CONTROL_REQUEST_PROFILE_SETTINGS \|\|
	46	request == KONEPLUS_CONTROL_REQUEST_PROFILE_BUTTONS) &&
	47	value > 4)
	48	return -EINVAL;
	49
4728f2dc	50	control.command = ROCCAT_COMMON_COMMAND_CONTROL;
5772f636 SA	51	control.value = value;
5772f636 SA	52	control.request = request;
47dbdbff	53
7392d73b	54	return roccat_common2_send_with_status(usb_dev,
4728f2dc	55	ROCCAT_COMMON_COMMAND_CONTROL,
7392d73b	56	&control, sizeof(struct roccat_common2_control));
47dbdbff SA	57	}
47dbdbff SA	58
47dbdbff SA	59
47dbdbff SA	60	/* retval is 0-4 on success, < 0 on error */
b50f315c	61	static int koneplus_get_actual_profile(struct usb_device *usb_dev)
47dbdbff	62	{
b50f315c	63	struct koneplus_actual_profile buf;
47dbdbff SA	64	int retval;
47dbdbff SA	65
7392d73b	66	retval = roccat_common2_receive(usb_dev, KONEPLUS_COMMAND_ACTUAL_PROFILE,
f114fec5	67	&buf, KONEPLUS_SIZE_ACTUAL_PROFILE);
47dbdbff	68
b50f315c	69	return retval ? retval : buf.actual_profile;
47dbdbff SA	70	}
47dbdbff SA	71
b50f315c SA	72	static int koneplus_set_actual_profile(struct usb_device *usb_dev,
b50f315c SA	73	int new_profile)
47dbdbff	74	{
b50f315c	75	struct koneplus_actual_profile buf;
47dbdbff	76
b50f315c	77	buf.command = KONEPLUS_COMMAND_ACTUAL_PROFILE;
f114fec5	78	buf.size = KONEPLUS_SIZE_ACTUAL_PROFILE;
b50f315c	79	buf.actual_profile = new_profile;
47dbdbff	80
7392d73b	81	return roccat_common2_send_with_status(usb_dev,
4728f2dc	82	KONEPLUS_COMMAND_ACTUAL_PROFILE,
f114fec5	83	&buf, KONEPLUS_SIZE_ACTUAL_PROFILE);
47dbdbff SA	84	}
	85
	86	static ssize_t koneplus_sysfs_read(struct file fp, struct kobject kobj,
	87	char *buf, loff_t off, size_t count,
	88	size_t real_size, uint command)
	89	{
	90	struct device *dev =
	91	container_of(kobj, struct device, kobj)->parent->parent;
	92	struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev));
	93	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
	94	int retval;
	95
fd82be6c SA	96	if (off >= real_size)
	97	return 0;
	98
47dbdbff SA	99	if (off != 0 \|\| count != real_size)
	100	return -EINVAL;
	101
	102	mutex_lock(&koneplus->koneplus_lock);
7392d73b	103	retval = roccat_common2_receive(usb_dev, command, buf, real_size);
47dbdbff SA	104	mutex_unlock(&koneplus->koneplus_lock);
	105
	106	if (retval)
	107	return retval;
	108
	109	return real_size;
	110	}
	111
	112	static ssize_t koneplus_sysfs_write(struct file fp, struct kobject kobj,
	113	void const *buf, loff_t off, size_t count,
	114	size_t real_size, uint command)
	115	{
	116	struct device *dev =
	117	container_of(kobj, struct device, kobj)->parent->parent;
	118	struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev));
	119	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
	120	int retval;
	121
	122	if (off != 0 \|\| count != real_size)
	123	return -EINVAL;
	124
	125	mutex_lock(&koneplus->koneplus_lock);
7392d73b	126	retval = roccat_common2_send_with_status(usb_dev, command,
4728f2dc	127	buf, real_size);
47dbdbff SA	128	mutex_unlock(&koneplus->koneplus_lock);
	129
	130	if (retval)
	131	return retval;
	132
	133	return real_size;
	134	}
	135
f114fec5 SA	136	#define KONEPLUS_SYSFS_W(thingy, THINGY) \
	137	static ssize_t koneplus_sysfs_write_ ## thingy(struct file *fp, \
	138	struct kobject kobj, struct bin_attribute attr, char *buf, \
	139	loff_t off, size_t count) \
	140	{ \
	141	return koneplus_sysfs_write(fp, kobj, buf, off, count, \
	142	KONEPLUS_SIZE_ ## THINGY, KONEPLUS_COMMAND_ ## THINGY); \
fabe51eb SA	143	}
fabe51eb SA	144
f114fec5 SA	145	#define KONEPLUS_SYSFS_R(thingy, THINGY) \
	146	static ssize_t koneplus_sysfs_read_ ## thingy(struct file *fp, \
	147	struct kobject kobj, struct bin_attribute attr, char *buf, \
	148	loff_t off, size_t count) \
	149	{ \
	150	return koneplus_sysfs_read(fp, kobj, buf, off, count, \
	151	KONEPLUS_SIZE_ ## THINGY, KONEPLUS_COMMAND_ ## THINGY); \
fabe51eb SA	152	}
fabe51eb SA	153
f114fec5 SA	154	#define KONEPLUS_SYSFS_RW(thingy, THINGY) \
	155	KONEPLUS_SYSFS_W(thingy, THINGY) \
	156	KONEPLUS_SYSFS_R(thingy, THINGY)
6d1dec85	157
f114fec5 SA	158	#define KONEPLUS_BIN_ATTRIBUTE_RW(thingy, THINGY) \
	159	{ \
	160	.attr = { .name = #thingy, .mode = 0660 }, \
	161	.size = KONEPLUS_SIZE_ ## THINGY, \
	162	.read = koneplus_sysfs_read_ ## thingy, \
	163	.write = koneplus_sysfs_write_ ## thingy \
47dbdbff SA	164	}
47dbdbff SA	165
f114fec5 SA	166	#define KONEPLUS_BIN_ATTRIBUTE_R(thingy, THINGY) \
	167	{ \
	168	.attr = { .name = #thingy, .mode = 0440 }, \
	169	.size = KONEPLUS_SIZE_ ## THINGY, \
	170	.read = koneplus_sysfs_read_ ## thingy, \
47dbdbff SA	171	}
47dbdbff SA	172
f114fec5 SA	173	#define KONEPLUS_BIN_ATTRIBUTE_W(thingy, THINGY) \
	174	{ \
	175	.attr = { .name = #thingy, .mode = 0220 }, \
	176	.size = KONEPLUS_SIZE_ ## THINGY, \
	177	.write = koneplus_sysfs_write_ ## thingy \
47dbdbff SA	178	}
47dbdbff SA	179
bb060d65	180	KONEPLUS_SYSFS_W(control, CONTROL)
f114fec5 SA	181	KONEPLUS_SYSFS_RW(info, INFO)
	182	KONEPLUS_SYSFS_W(talk, TALK)
	183	KONEPLUS_SYSFS_W(macro, MACRO)
	184	KONEPLUS_SYSFS_RW(sensor, SENSOR)
	185	KONEPLUS_SYSFS_RW(tcu, TCU)
	186	KONEPLUS_SYSFS_R(tcu_image, TCU_IMAGE)
bb060d65 SA	187	KONEPLUS_SYSFS_RW(profile_settings, PROFILE_SETTINGS)
bb060d65 SA	188	KONEPLUS_SYSFS_RW(profile_buttons, PROFILE_BUTTONS)
47dbdbff SA	189
	190	static ssize_t koneplus_sysfs_read_profilex_settings(struct file *fp,
	191	struct kobject kobj, struct bin_attribute attr, char *buf,
	192	loff_t off, size_t count)
	193	{
	194	struct device *dev =
	195	container_of(kobj, struct device, kobj)->parent->parent;
47dbdbff	196	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
f114fec5	197	ssize_t retval;
47dbdbff	198
f114fec5 SA	199	retval = koneplus_send_control(usb_dev, (uint )(attr->private),
f114fec5 SA	200	KONEPLUS_CONTROL_REQUEST_PROFILE_SETTINGS);
47dbdbff SA	201	if (retval)
	202	return retval;
	203
f114fec5 SA	204	return koneplus_sysfs_read(fp, kobj, buf, off, count,
	205	KONEPLUS_SIZE_PROFILE_SETTINGS,
	206	KONEPLUS_COMMAND_PROFILE_SETTINGS);
47dbdbff SA	207	}
	208
	209	static ssize_t koneplus_sysfs_read_profilex_buttons(struct file *fp,
	210	struct kobject kobj, struct bin_attribute attr, char *buf,
	211	loff_t off, size_t count)
	212	{
	213	struct device *dev =
	214	container_of(kobj, struct device, kobj)->parent->parent;
47dbdbff	215	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
f114fec5	216	ssize_t retval;
47dbdbff	217
f114fec5 SA	218	retval = koneplus_send_control(usb_dev, (uint )(attr->private),
f114fec5 SA	219	KONEPLUS_CONTROL_REQUEST_PROFILE_BUTTONS);
47dbdbff SA	220	if (retval)
	221	return retval;
	222
f114fec5 SA	223	return koneplus_sysfs_read(fp, kobj, buf, off, count,
	224	KONEPLUS_SIZE_PROFILE_BUTTONS,
	225	KONEPLUS_COMMAND_PROFILE_BUTTONS);
47dbdbff SA	226	}
47dbdbff SA	227
b50f315c	228	static ssize_t koneplus_sysfs_show_actual_profile(struct device *dev,
47dbdbff SA	229	struct device_attribute attr, char buf)
	230	{
	231	struct koneplus_device *koneplus =
	232	hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
b50f315c	233	return snprintf(buf, PAGE_SIZE, "%d\n", koneplus->actual_profile);
47dbdbff SA	234	}
47dbdbff SA	235
b50f315c	236	static ssize_t koneplus_sysfs_set_actual_profile(struct device *dev,
47dbdbff SA	237	struct device_attribute attr, char const buf, size_t size)
	238	{
	239	struct koneplus_device *koneplus;
	240	struct usb_device *usb_dev;
	241	unsigned long profile;
	242	int retval;
b50f315c	243	struct koneplus_roccat_report roccat_report;
47dbdbff SA	244
	245	dev = dev->parent->parent;
	246	koneplus = hid_get_drvdata(dev_get_drvdata(dev));
	247	usb_dev = interface_to_usbdev(to_usb_interface(dev));
	248
	249	retval = strict_strtoul(buf, 10, &profile);
	250	if (retval)
	251	return retval;
	252
901e64db SA	253	if (profile > 4)
	254	return -EINVAL;
	255
47dbdbff	256	mutex_lock(&koneplus->koneplus_lock);
b50f315c SA	257
	258	retval = koneplus_set_actual_profile(usb_dev, profile);
	259	if (retval) {
	260	mutex_unlock(&koneplus->koneplus_lock);
47dbdbff	261	return retval;
b50f315c	262	}
47dbdbff	263
901e64db	264	koneplus_profile_activated(koneplus, profile);
47dbdbff	265
b50f315c SA	266	roccat_report.type = KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE;
	267	roccat_report.data1 = profile + 1;
	268	roccat_report.data2 = 0;
	269	roccat_report.profile = profile + 1;
	270	roccat_report_event(koneplus->chrdev_minor,
	271	(uint8_t const *)&roccat_report);
	272
	273	mutex_unlock(&koneplus->koneplus_lock);
	274
	275	return size;
47dbdbff SA	276	}
	277
	278	static ssize_t koneplus_sysfs_show_firmware_version(struct device *dev,
	279	struct device_attribute attr, char buf)
	280	{
f114fec5 SA	281	struct koneplus_device *koneplus;
	282	struct usb_device *usb_dev;
	283	struct koneplus_info info;
	284
	285	dev = dev->parent->parent;
	286	koneplus = hid_get_drvdata(dev_get_drvdata(dev));
	287	usb_dev = interface_to_usbdev(to_usb_interface(dev));
	288
	289	mutex_lock(&koneplus->koneplus_lock);
	290	roccat_common2_receive(usb_dev, KONEPLUS_COMMAND_INFO,
	291	&info, KONEPLUS_SIZE_INFO);
	292	mutex_unlock(&koneplus->koneplus_lock);
	293
	294	return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version);
47dbdbff SA	295	}
	296
	297	static struct device_attribute koneplus_attributes[] = {
b50f315c SA	298	__ATTR(actual_profile, 0660,
	299	koneplus_sysfs_show_actual_profile,
	300	koneplus_sysfs_set_actual_profile),
47dbdbff	301	__ATTR(startup_profile, 0660,
b50f315c SA	302	koneplus_sysfs_show_actual_profile,
b50f315c SA	303	koneplus_sysfs_set_actual_profile),
47dbdbff SA	304	__ATTR(firmware_version, 0440,
	305	koneplus_sysfs_show_firmware_version, NULL),
	306	__ATTR_NULL
	307	};
	308
	309	static struct bin_attribute koneplus_bin_attributes[] = {
bb060d65	310	KONEPLUS_BIN_ATTRIBUTE_W(control, CONTROL),
f114fec5 SA	311	KONEPLUS_BIN_ATTRIBUTE_RW(info, INFO),
	312	KONEPLUS_BIN_ATTRIBUTE_W(talk, TALK),
	313	KONEPLUS_BIN_ATTRIBUTE_W(macro, MACRO),
	314	KONEPLUS_BIN_ATTRIBUTE_RW(sensor, SENSOR),
	315	KONEPLUS_BIN_ATTRIBUTE_RW(tcu, TCU),
	316	KONEPLUS_BIN_ATTRIBUTE_R(tcu_image, TCU_IMAGE),
bb060d65 SA	317	KONEPLUS_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS),
bb060d65 SA	318	KONEPLUS_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS),
47dbdbff SA	319	{
47dbdbff SA	320	.attr = { .name = "profile1_settings", .mode = 0440 },
f114fec5	321	.size = KONEPLUS_SIZE_PROFILE_SETTINGS,
47dbdbff SA	322	.read = koneplus_sysfs_read_profilex_settings,
	323	.private = &profile_numbers[0]
	324	},
	325	{
	326	.attr = { .name = "profile2_settings", .mode = 0440 },
f114fec5	327	.size = KONEPLUS_SIZE_PROFILE_SETTINGS,
47dbdbff SA	328	.read = koneplus_sysfs_read_profilex_settings,
	329	.private = &profile_numbers[1]
	330	},
	331	{
	332	.attr = { .name = "profile3_settings", .mode = 0440 },
f114fec5	333	.size = KONEPLUS_SIZE_PROFILE_SETTINGS,
47dbdbff SA	334	.read = koneplus_sysfs_read_profilex_settings,
	335	.private = &profile_numbers[2]
	336	},
	337	{
	338	.attr = { .name = "profile4_settings", .mode = 0440 },
f114fec5	339	.size = KONEPLUS_SIZE_PROFILE_SETTINGS,
47dbdbff SA	340	.read = koneplus_sysfs_read_profilex_settings,
	341	.private = &profile_numbers[3]
	342	},
	343	{
	344	.attr = { .name = "profile5_settings", .mode = 0440 },
f114fec5	345	.size = KONEPLUS_SIZE_PROFILE_SETTINGS,
47dbdbff SA	346	.read = koneplus_sysfs_read_profilex_settings,
	347	.private = &profile_numbers[4]
	348	},
47dbdbff SA	349	{
47dbdbff SA	350	.attr = { .name = "profile1_buttons", .mode = 0440 },
f114fec5	351	.size = KONEPLUS_SIZE_PROFILE_BUTTONS,
47dbdbff SA	352	.read = koneplus_sysfs_read_profilex_buttons,
	353	.private = &profile_numbers[0]
	354	},
	355	{
	356	.attr = { .name = "profile2_buttons", .mode = 0440 },
f114fec5	357	.size = KONEPLUS_SIZE_PROFILE_BUTTONS,
47dbdbff SA	358	.read = koneplus_sysfs_read_profilex_buttons,
	359	.private = &profile_numbers[1]
	360	},
	361	{
	362	.attr = { .name = "profile3_buttons", .mode = 0440 },
f114fec5	363	.size = KONEPLUS_SIZE_PROFILE_BUTTONS,
47dbdbff SA	364	.read = koneplus_sysfs_read_profilex_buttons,
	365	.private = &profile_numbers[2]
	366	},
	367	{
	368	.attr = { .name = "profile4_buttons", .mode = 0440 },
f114fec5	369	.size = KONEPLUS_SIZE_PROFILE_BUTTONS,
47dbdbff SA	370	.read = koneplus_sysfs_read_profilex_buttons,
	371	.private = &profile_numbers[3]
	372	},
	373	{
	374	.attr = { .name = "profile5_buttons", .mode = 0440 },
f114fec5	375	.size = KONEPLUS_SIZE_PROFILE_BUTTONS,
47dbdbff SA	376	.read = koneplus_sysfs_read_profilex_buttons,
	377	.private = &profile_numbers[4]
	378	},
47dbdbff SA	379	__ATTR_NULL
	380	};
	381
	382	static int koneplus_init_koneplus_device_struct(struct usb_device *usb_dev,
	383	struct koneplus_device *koneplus)
	384	{
f114fec5	385	int retval;
47dbdbff SA	386
	387	mutex_init(&koneplus->koneplus_lock);
	388
b50f315c SA	389	retval = koneplus_get_actual_profile(usb_dev);
	390	if (retval < 0)
	391	return retval;
	392	koneplus_profile_activated(koneplus, retval);
47dbdbff SA	393
	394	return 0;
	395	}
	396
	397	static int koneplus_init_specials(struct hid_device *hdev)
	398	{
	399	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
	400	struct usb_device *usb_dev = interface_to_usbdev(intf);
	401	struct koneplus_device *koneplus;
	402	int retval;
	403
	404	if (intf->cur_altsetting->desc.bInterfaceProtocol
	405	== USB_INTERFACE_PROTOCOL_MOUSE) {
	406
	407	koneplus = kzalloc(sizeof(*koneplus), GFP_KERNEL);
	408	if (!koneplus) {
a28764ef	409	hid_err(hdev, "can't alloc device descriptor\n");
47dbdbff SA	410	return -ENOMEM;
	411	}
	412	hid_set_drvdata(hdev, koneplus);
	413
	414	retval = koneplus_init_koneplus_device_struct(usb_dev, koneplus);
	415	if (retval) {
a28764ef	416	hid_err(hdev, "couldn't init struct koneplus_device\n");
47dbdbff SA	417	goto exit_free;
	418	}
	419
8211e460 SA	420	retval = roccat_connect(koneplus_class, hdev,
8211e460 SA	421	sizeof(struct koneplus_roccat_report));
47dbdbff	422	if (retval < 0) {
a28764ef	423	hid_err(hdev, "couldn't init char dev\n");
47dbdbff SA	424	} else {
	425	koneplus->chrdev_minor = retval;
	426	koneplus->roccat_claimed = 1;
	427	}
	428	} else {
	429	hid_set_drvdata(hdev, NULL);
	430	}
	431
	432	return 0;
	433	exit_free:
	434	kfree(koneplus);
	435	return retval;
	436	}
	437
	438	static void koneplus_remove_specials(struct hid_device *hdev)
	439	{
	440	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
	441	struct koneplus_device *koneplus;
	442
	443	if (intf->cur_altsetting->desc.bInterfaceProtocol
	444	== USB_INTERFACE_PROTOCOL_MOUSE) {
	445	koneplus = hid_get_drvdata(hdev);
	446	if (koneplus->roccat_claimed)
	447	roccat_disconnect(koneplus->chrdev_minor);
	448	kfree(koneplus);
	449	}
	450	}
	451
	452	static int koneplus_probe(struct hid_device *hdev,
	453	const struct hid_device_id *id)
	454	{
	455	int retval;
	456
	457	retval = hid_parse(hdev);
	458	if (retval) {
a28764ef	459	hid_err(hdev, "parse failed\n");
47dbdbff SA	460	goto exit;
	461	}
	462
	463	retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
	464	if (retval) {
a28764ef	465	hid_err(hdev, "hw start failed\n");
47dbdbff SA	466	goto exit;
	467	}
	468
	469	retval = koneplus_init_specials(hdev);
	470	if (retval) {
a28764ef	471	hid_err(hdev, "couldn't install mouse\n");
47dbdbff SA	472	goto exit_stop;
	473	}
	474
	475	return 0;
	476
	477	exit_stop:
	478	hid_hw_stop(hdev);
	479	exit:
	480	return retval;
	481	}
	482
	483	static void koneplus_remove(struct hid_device *hdev)
	484	{
	485	koneplus_remove_specials(hdev);
	486	hid_hw_stop(hdev);
	487	}
	488
	489	static void koneplus_keep_values_up_to_date(struct koneplus_device *koneplus,
	490	u8 const *data)
	491	{
	492	struct koneplus_mouse_report_button const *button_report;
	493
	494	switch (data[0]) {
	495	case KONEPLUS_MOUSE_REPORT_NUMBER_BUTTON:
	496	button_report = (struct koneplus_mouse_report_button const *)data;
	497	switch (button_report->type) {
	498	case KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE:
	499	koneplus_profile_activated(koneplus, button_report->data1 - 1);
	500	break;
	501	}
	502	break;
	503	}
	504	}
	505
	506	static void koneplus_report_to_chrdev(struct koneplus_device const *koneplus,
	507	u8 const *data)
	508	{
	509	struct koneplus_roccat_report roccat_report;
	510	struct koneplus_mouse_report_button const *button_report;
	511
	512	if (data[0] != KONEPLUS_MOUSE_REPORT_NUMBER_BUTTON)
	513	return;
	514
	515	button_report = (struct koneplus_mouse_report_button const *)data;
	516
	517	if ((button_report->type == KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_QUICKLAUNCH \|\|
	518	button_report->type == KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_TIMER) &&
	519	button_report->data2 != KONEPLUS_MOUSE_REPORT_BUTTON_ACTION_PRESS)
	520	return;
	521
	522	roccat_report.type = button_report->type;
	523	roccat_report.data1 = button_report->data1;
	524	roccat_report.data2 = button_report->data2;
	525	roccat_report.profile = koneplus->actual_profile + 1;
	526	roccat_report_event(koneplus->chrdev_minor,
8211e460	527	(uint8_t const *)&roccat_report);
47dbdbff SA	528	}
	529
	530	static int koneplus_raw_event(struct hid_device *hdev,
	531	struct hid_report report, u8 data, int size)
	532	{
	533	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
	534	struct koneplus_device *koneplus = hid_get_drvdata(hdev);
	535
	536	if (intf->cur_altsetting->desc.bInterfaceProtocol
	537	!= USB_INTERFACE_PROTOCOL_MOUSE)
	538	return 0;
	539
901e64db SA	540	if (koneplus == NULL)
	541	return 0;
	542
47dbdbff SA	543	koneplus_keep_values_up_to_date(koneplus, data);
	544
	545	if (koneplus->roccat_claimed)
	546	koneplus_report_to_chrdev(koneplus, data);
	547
	548	return 0;
	549	}
	550
	551	static const struct hid_device_id koneplus_devices[] = {
	552	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
8e74a2d3	553	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
47dbdbff SA	554	{ }
	555	};
	556
	557	MODULE_DEVICE_TABLE(hid, koneplus_devices);
	558
	559	static struct hid_driver koneplus_driver = {
	560	.name = "koneplus",
	561	.id_table = koneplus_devices,
	562	.probe = koneplus_probe,
	563	.remove = koneplus_remove,
	564	.raw_event = koneplus_raw_event
	565	};
	566
	567	static int __init koneplus_init(void)
	568	{
	569	int retval;
	570
	571	/* class name has to be same as driver name */
	572	koneplus_class = class_create(THIS_MODULE, "koneplus");
	573	if (IS_ERR(koneplus_class))
	574	return PTR_ERR(koneplus_class);
	575	koneplus_class->dev_attrs = koneplus_attributes;
	576	koneplus_class->dev_bin_attrs = koneplus_bin_attributes;
	577
	578	retval = hid_register_driver(&koneplus_driver);
	579	if (retval)
	580	class_destroy(koneplus_class);
	581	return retval;
	582	}
	583
	584	static void __exit koneplus_exit(void)
	585	{
47dbdbff	586	hid_unregister_driver(&koneplus_driver);
74b643da	587	class_destroy(koneplus_class);
47dbdbff SA	588	}
	589
	590	module_init(koneplus_init);
	591	module_exit(koneplus_exit);
	592
	593	MODULE_AUTHOR("Stefan Achatz");
8e74a2d3	594	MODULE_DESCRIPTION("USB Roccat Kone[+]/XTD driver");
47dbdbff	595	MODULE_LICENSE("GPL v2");