linux-sg2042/drivers/hid/hid-roccat-konepure.c

305 lines
7.9 KiB
C

/*
* Roccat KonePure driver for Linux
*
* Copyright (c) 2012 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 KonePure is a smaller version of KoneXTD with less buttons and lights.
*/
#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-konepure.h"
static struct class *konepure_class;
static ssize_t konepure_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 konepure_device *konepure = 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(&konepure->konepure_lock);
retval = roccat_common2_receive(usb_dev, command, buf, real_size);
mutex_unlock(&konepure->konepure_lock);
return retval ? retval : real_size;
}
static ssize_t konepure_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 konepure_device *konepure = 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(&konepure->konepure_lock);
retval = roccat_common2_send_with_status(usb_dev, command,
(void *)buf, real_size);
mutex_unlock(&konepure->konepure_lock);
return retval ? retval : real_size;
}
#define KONEPURE_SYSFS_W(thingy, THINGY) \
static ssize_t konepure_sysfs_write_ ## thingy(struct file *fp, \
struct kobject *kobj, struct bin_attribute *attr, char *buf, \
loff_t off, size_t count) \
{ \
return konepure_sysfs_write(fp, kobj, buf, off, count, \
KONEPURE_SIZE_ ## THINGY, KONEPURE_COMMAND_ ## THINGY); \
}
#define KONEPURE_SYSFS_R(thingy, THINGY) \
static ssize_t konepure_sysfs_read_ ## thingy(struct file *fp, \
struct kobject *kobj, struct bin_attribute *attr, char *buf, \
loff_t off, size_t count) \
{ \
return konepure_sysfs_read(fp, kobj, buf, off, count, \
KONEPURE_SIZE_ ## THINGY, KONEPURE_COMMAND_ ## THINGY); \
}
#define KONEPURE_SYSFS_RW(thingy, THINGY) \
KONEPURE_SYSFS_W(thingy, THINGY) \
KONEPURE_SYSFS_R(thingy, THINGY)
#define KONEPURE_BIN_ATTRIBUTE_RW(thingy, THINGY) \
{ \
.attr = { .name = #thingy, .mode = 0660 }, \
.size = KONEPURE_SIZE_ ## THINGY, \
.read = konepure_sysfs_read_ ## thingy, \
.write = konepure_sysfs_write_ ## thingy \
}
#define KONEPURE_BIN_ATTRIBUTE_R(thingy, THINGY) \
{ \
.attr = { .name = #thingy, .mode = 0440 }, \
.size = KONEPURE_SIZE_ ## THINGY, \
.read = konepure_sysfs_read_ ## thingy, \
}
#define KONEPURE_BIN_ATTRIBUTE_W(thingy, THINGY) \
{ \
.attr = { .name = #thingy, .mode = 0220 }, \
.size = KONEPURE_SIZE_ ## THINGY, \
.write = konepure_sysfs_write_ ## thingy \
}
KONEPURE_SYSFS_RW(actual_profile, ACTUAL_PROFILE)
KONEPURE_SYSFS_W(control, CONTROL)
KONEPURE_SYSFS_RW(info, INFO)
KONEPURE_SYSFS_W(talk, TALK)
KONEPURE_SYSFS_W(macro, MACRO)
KONEPURE_SYSFS_RW(sensor, SENSOR)
KONEPURE_SYSFS_RW(tcu, TCU)
KONEPURE_SYSFS_R(tcu_image, TCU_IMAGE)
KONEPURE_SYSFS_RW(profile_settings, PROFILE_SETTINGS)
KONEPURE_SYSFS_RW(profile_buttons, PROFILE_BUTTONS)
static struct bin_attribute konepure_bin_attributes[] = {
KONEPURE_BIN_ATTRIBUTE_RW(actual_profile, ACTUAL_PROFILE),
KONEPURE_BIN_ATTRIBUTE_W(control, CONTROL),
KONEPURE_BIN_ATTRIBUTE_RW(info, INFO),
KONEPURE_BIN_ATTRIBUTE_W(talk, TALK),
KONEPURE_BIN_ATTRIBUTE_W(macro, MACRO),
KONEPURE_BIN_ATTRIBUTE_RW(sensor, SENSOR),
KONEPURE_BIN_ATTRIBUTE_RW(tcu, TCU),
KONEPURE_BIN_ATTRIBUTE_R(tcu_image, TCU_IMAGE),
KONEPURE_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS),
KONEPURE_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS),
__ATTR_NULL
};
static int konepure_init_konepure_device_struct(struct usb_device *usb_dev,
struct konepure_device *konepure)
{
mutex_init(&konepure->konepure_lock);
return 0;
}
static int konepure_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 konepure_device *konepure;
int retval;
if (intf->cur_altsetting->desc.bInterfaceProtocol
!= USB_INTERFACE_PROTOCOL_MOUSE) {
hid_set_drvdata(hdev, NULL);
return 0;
}
konepure = kzalloc(sizeof(*konepure), GFP_KERNEL);
if (!konepure) {
hid_err(hdev, "can't alloc device descriptor\n");
return -ENOMEM;
}
hid_set_drvdata(hdev, konepure);
retval = konepure_init_konepure_device_struct(usb_dev, konepure);
if (retval) {
hid_err(hdev, "couldn't init struct konepure_device\n");
goto exit_free;
}
retval = roccat_connect(konepure_class, hdev,
sizeof(struct konepure_mouse_report_button));
if (retval < 0) {
hid_err(hdev, "couldn't init char dev\n");
} else {
konepure->chrdev_minor = retval;
konepure->roccat_claimed = 1;
}
return 0;
exit_free:
kfree(konepure);
return retval;
}
static void konepure_remove_specials(struct hid_device *hdev)
{
struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
struct konepure_device *konepure;
if (intf->cur_altsetting->desc.bInterfaceProtocol
!= USB_INTERFACE_PROTOCOL_MOUSE)
return;
konepure = hid_get_drvdata(hdev);
if (konepure->roccat_claimed)
roccat_disconnect(konepure->chrdev_minor);
kfree(konepure);
}
static int konepure_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 = konepure_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 konepure_remove(struct hid_device *hdev)
{
konepure_remove_specials(hdev);
hid_hw_stop(hdev);
}
static int konepure_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 konepure_device *konepure = hid_get_drvdata(hdev);
if (intf->cur_altsetting->desc.bInterfaceProtocol
!= USB_INTERFACE_PROTOCOL_MOUSE)
return 0;
if (data[0] != KONEPURE_MOUSE_REPORT_NUMBER_BUTTON)
return 0;
if (konepure != NULL && konepure->roccat_claimed)
roccat_report_event(konepure->chrdev_minor, data);
return 0;
}
static const struct hid_device_id konepure_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
{ }
};
MODULE_DEVICE_TABLE(hid, konepure_devices);
static struct hid_driver konepure_driver = {
.name = "konepure",
.id_table = konepure_devices,
.probe = konepure_probe,
.remove = konepure_remove,
.raw_event = konepure_raw_event
};
static int __init konepure_init(void)
{
int retval;
konepure_class = class_create(THIS_MODULE, "konepure");
if (IS_ERR(konepure_class))
return PTR_ERR(konepure_class);
konepure_class->dev_bin_attrs = konepure_bin_attributes;
retval = hid_register_driver(&konepure_driver);
if (retval)
class_destroy(konepure_class);
return retval;
}
static void __exit konepure_exit(void)
{
hid_unregister_driver(&konepure_driver);
class_destroy(konepure_class);
}
module_init(konepure_init);
module_exit(konepure_exit);
MODULE_AUTHOR("Stefan Achatz");
MODULE_DESCRIPTION("USB Roccat KonePure driver");
MODULE_LICENSE("GPL v2");