forked from luck/tmp_suning_uos_patched
b42065f317
Kone now reports media key events through it's chardev to userspace. Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
915 lines
24 KiB
C
915 lines
24 KiB
C
/*
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* Roccat Kone driver for Linux
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*
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* Copyright (c) 2010 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 Kone is a gamer mouse which consists of a mouse part and a keyboard
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* part. The keyboard part enables the mouse to execute stored macros with mixed
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* key- and button-events.
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*
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* TODO implement on-the-fly polling-rate change
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* The windows driver has the ability to change the polling rate of the
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* device on the press of a mousebutton.
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* Is it possible to remove and reinstall the urb in raw-event- or any
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* other handler, or to defer this action to be executed somewhere else?
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*
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* TODO is it possible to overwrite group for sysfs attributes via udev?
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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-kone.h"
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static uint profile_numbers[5] = {0, 1, 2, 3, 4};
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static void kone_profile_activated(struct kone_device *kone, uint new_profile)
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{
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kone->actual_profile = new_profile;
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kone->actual_dpi = kone->profiles[new_profile - 1].startup_dpi;
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}
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static void kone_profile_report(struct kone_device *kone, uint new_profile)
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{
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struct kone_roccat_report roccat_report;
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roccat_report.event = kone_mouse_event_switch_profile;
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roccat_report.value = new_profile;
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roccat_report.key = 0;
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roccat_report_event(kone->chrdev_minor, (uint8_t *)&roccat_report);
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}
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static int kone_receive(struct usb_device *usb_dev, uint usb_command,
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void *data, uint size)
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{
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char *buf;
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int len;
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buf = kmalloc(size, GFP_KERNEL);
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if (buf == NULL)
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return -ENOMEM;
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len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
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HID_REQ_GET_REPORT,
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USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN,
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usb_command, 0, buf, size, USB_CTRL_SET_TIMEOUT);
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memcpy(data, buf, size);
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kfree(buf);
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return ((len < 0) ? len : ((len != size) ? -EIO : 0));
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}
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static int kone_send(struct usb_device *usb_dev, uint usb_command,
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void const *data, uint size)
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{
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char *buf;
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int len;
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buf = kmemdup(data, size, GFP_KERNEL);
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if (buf == NULL)
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return -ENOMEM;
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len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
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HID_REQ_SET_REPORT,
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USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
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usb_command, 0, buf, size, USB_CTRL_SET_TIMEOUT);
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kfree(buf);
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return ((len < 0) ? len : ((len != size) ? -EIO : 0));
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}
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/* kone_class is used for creating sysfs attributes via roccat char device */
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static struct class *kone_class;
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static void kone_set_settings_checksum(struct kone_settings *settings)
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{
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uint16_t checksum = 0;
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unsigned char *address = (unsigned char *)settings;
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int i;
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for (i = 0; i < sizeof(struct kone_settings) - 2; ++i, ++address)
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checksum += *address;
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settings->checksum = cpu_to_le16(checksum);
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}
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/*
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* Checks success after writing data to mouse
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* On success returns 0
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* On failure returns errno
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*/
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static int kone_check_write(struct usb_device *usb_dev)
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{
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int retval;
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uint8_t data;
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do {
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/*
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* Mouse needs 50 msecs until it says ok, but there are
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* 30 more msecs needed for next write to work.
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*/
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msleep(80);
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retval = kone_receive(usb_dev,
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kone_command_confirm_write, &data, 1);
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if (retval)
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return retval;
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/*
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* value of 3 seems to mean something like
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* "not finished yet, but it looks good"
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* So check again after a moment.
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*/
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} while (data == 3);
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if (data == 1) /* everything alright */
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return 0;
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/* unknown answer */
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dev_err(&usb_dev->dev, "got retval %d when checking write\n", data);
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return -EIO;
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}
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/*
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* Reads settings from mouse and stores it in @buf
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* On success returns 0
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* On failure returns errno
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*/
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static int kone_get_settings(struct usb_device *usb_dev,
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struct kone_settings *buf)
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{
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return kone_receive(usb_dev, kone_command_settings, buf,
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sizeof(struct kone_settings));
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}
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/*
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* Writes settings from @buf to mouse
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* On success returns 0
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* On failure returns errno
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*/
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static int kone_set_settings(struct usb_device *usb_dev,
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struct kone_settings const *settings)
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{
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int retval;
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retval = kone_send(usb_dev, kone_command_settings,
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settings, sizeof(struct kone_settings));
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if (retval)
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return retval;
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return kone_check_write(usb_dev);
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}
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/*
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* Reads profile data from mouse and stores it in @buf
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* @number: profile number to read
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* On success returns 0
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* On failure returns errno
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*/
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static int kone_get_profile(struct usb_device *usb_dev,
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struct kone_profile *buf, int number)
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{
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int len;
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if (number < 1 || number > 5)
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return -EINVAL;
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len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
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USB_REQ_CLEAR_FEATURE,
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USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN,
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kone_command_profile, number, buf,
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sizeof(struct kone_profile), USB_CTRL_SET_TIMEOUT);
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if (len != sizeof(struct kone_profile))
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return -EIO;
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return 0;
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}
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/*
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* Writes profile data to mouse.
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* @number: profile number to write
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* On success returns 0
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* On failure returns errno
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*/
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static int kone_set_profile(struct usb_device *usb_dev,
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struct kone_profile const *profile, int number)
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{
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int len;
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if (number < 1 || number > 5)
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return -EINVAL;
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len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
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USB_REQ_SET_CONFIGURATION,
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USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
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kone_command_profile, number, (void *)profile,
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sizeof(struct kone_profile),
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USB_CTRL_SET_TIMEOUT);
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if (len != sizeof(struct kone_profile))
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return len;
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if (kone_check_write(usb_dev))
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return -EIO;
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return 0;
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}
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/*
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* Reads value of "fast-clip-weight" and stores it in @result
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* On success returns 0
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* On failure returns errno
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*/
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static int kone_get_weight(struct usb_device *usb_dev, int *result)
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{
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int retval;
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uint8_t data;
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retval = kone_receive(usb_dev, kone_command_weight, &data, 1);
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if (retval)
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return retval;
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*result = (int)data;
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return 0;
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}
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/*
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* Reads firmware_version of mouse and stores it in @result
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* On success returns 0
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* On failure returns errno
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*/
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static int kone_get_firmware_version(struct usb_device *usb_dev, int *result)
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{
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int retval;
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uint16_t data;
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retval = kone_receive(usb_dev, kone_command_firmware_version,
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&data, 2);
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if (retval)
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return retval;
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*result = le16_to_cpu(data);
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return 0;
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}
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static ssize_t kone_sysfs_read_settings(struct file *fp, struct kobject *kobj,
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struct bin_attribute *attr, char *buf,
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loff_t off, size_t count) {
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struct device *dev =
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container_of(kobj, struct device, kobj)->parent->parent;
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struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
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if (off >= sizeof(struct kone_settings))
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return 0;
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if (off + count > sizeof(struct kone_settings))
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count = sizeof(struct kone_settings) - off;
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mutex_lock(&kone->kone_lock);
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memcpy(buf, ((char const *)&kone->settings) + off, count);
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mutex_unlock(&kone->kone_lock);
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return count;
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}
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/*
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* Writing settings automatically activates startup_profile.
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* This function keeps values in kone_device up to date and assumes that in
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* case of error the old data is still valid
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*/
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static ssize_t kone_sysfs_write_settings(struct file *fp, struct kobject *kobj,
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struct bin_attribute *attr, char *buf,
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loff_t off, size_t count) {
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struct device *dev =
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container_of(kobj, struct device, kobj)->parent->parent;
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struct kone_device *kone = 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 = 0, difference, old_profile;
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/* I need to get my data in one piece */
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if (off != 0 || count != sizeof(struct kone_settings))
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return -EINVAL;
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mutex_lock(&kone->kone_lock);
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difference = memcmp(buf, &kone->settings, sizeof(struct kone_settings));
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if (difference) {
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retval = kone_set_settings(usb_dev,
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(struct kone_settings const *)buf);
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if (retval) {
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mutex_unlock(&kone->kone_lock);
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return retval;
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}
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old_profile = kone->settings.startup_profile;
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memcpy(&kone->settings, buf, sizeof(struct kone_settings));
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kone_profile_activated(kone, kone->settings.startup_profile);
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if (kone->settings.startup_profile != old_profile)
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kone_profile_report(kone, kone->settings.startup_profile);
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}
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mutex_unlock(&kone->kone_lock);
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return sizeof(struct kone_settings);
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}
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static ssize_t kone_sysfs_read_profilex(struct file *fp,
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struct kobject *kobj, struct bin_attribute *attr,
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char *buf, loff_t off, size_t count) {
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struct device *dev =
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container_of(kobj, struct device, kobj)->parent->parent;
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struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
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if (off >= sizeof(struct kone_profile))
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return 0;
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if (off + count > sizeof(struct kone_profile))
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count = sizeof(struct kone_profile) - off;
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mutex_lock(&kone->kone_lock);
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memcpy(buf, ((char const *)&kone->profiles[*(uint *)(attr->private)]) + off, count);
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mutex_unlock(&kone->kone_lock);
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return count;
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}
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/* Writes data only if different to stored data */
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static ssize_t kone_sysfs_write_profilex(struct file *fp,
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struct kobject *kobj, struct bin_attribute *attr,
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char *buf, loff_t off, size_t count) {
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struct device *dev =
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container_of(kobj, struct device, kobj)->parent->parent;
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struct kone_device *kone = 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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struct kone_profile *profile;
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int retval = 0, difference;
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/* I need to get my data in one piece */
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if (off != 0 || count != sizeof(struct kone_profile))
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return -EINVAL;
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profile = &kone->profiles[*(uint *)(attr->private)];
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mutex_lock(&kone->kone_lock);
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difference = memcmp(buf, profile, sizeof(struct kone_profile));
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if (difference) {
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retval = kone_set_profile(usb_dev,
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(struct kone_profile const *)buf,
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*(uint *)(attr->private) + 1);
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if (!retval)
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memcpy(profile, buf, sizeof(struct kone_profile));
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}
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mutex_unlock(&kone->kone_lock);
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if (retval)
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return retval;
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return sizeof(struct kone_profile);
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}
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static ssize_t kone_sysfs_show_actual_profile(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct kone_device *kone =
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hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
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return snprintf(buf, PAGE_SIZE, "%d\n", kone->actual_profile);
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}
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static ssize_t kone_sysfs_show_actual_dpi(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct kone_device *kone =
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hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
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return snprintf(buf, PAGE_SIZE, "%d\n", kone->actual_dpi);
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}
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/* weight is read each time, since we don't get informed when it's changed */
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static ssize_t kone_sysfs_show_weight(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct kone_device *kone;
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struct usb_device *usb_dev;
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int weight = 0;
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int retval;
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dev = dev->parent->parent;
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kone = hid_get_drvdata(dev_get_drvdata(dev));
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usb_dev = interface_to_usbdev(to_usb_interface(dev));
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mutex_lock(&kone->kone_lock);
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retval = kone_get_weight(usb_dev, &weight);
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mutex_unlock(&kone->kone_lock);
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if (retval)
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return retval;
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return snprintf(buf, PAGE_SIZE, "%d\n", weight);
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}
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static ssize_t kone_sysfs_show_firmware_version(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct kone_device *kone =
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hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
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return snprintf(buf, PAGE_SIZE, "%d\n", kone->firmware_version);
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}
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static ssize_t kone_sysfs_show_tcu(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct kone_device *kone =
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hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
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return snprintf(buf, PAGE_SIZE, "%d\n", kone->settings.tcu);
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}
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static int kone_tcu_command(struct usb_device *usb_dev, int number)
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{
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unsigned char value;
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value = number;
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return kone_send(usb_dev, kone_command_calibrate, &value, 1);
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}
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/*
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* Calibrating the tcu is the only action that changes settings data inside the
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* mouse, so this data needs to be reread
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*/
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static ssize_t kone_sysfs_set_tcu(struct device *dev,
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struct device_attribute *attr, char const *buf, size_t size)
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{
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struct kone_device *kone;
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struct usb_device *usb_dev;
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int retval;
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unsigned long state;
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dev = dev->parent->parent;
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kone = hid_get_drvdata(dev_get_drvdata(dev));
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usb_dev = interface_to_usbdev(to_usb_interface(dev));
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retval = strict_strtoul(buf, 10, &state);
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if (retval)
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return retval;
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if (state != 0 && state != 1)
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return -EINVAL;
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mutex_lock(&kone->kone_lock);
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if (state == 1) { /* state activate */
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retval = kone_tcu_command(usb_dev, 1);
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if (retval)
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goto exit_unlock;
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retval = kone_tcu_command(usb_dev, 2);
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if (retval)
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goto exit_unlock;
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ssleep(5); /* tcu needs this time for calibration */
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retval = kone_tcu_command(usb_dev, 3);
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if (retval)
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goto exit_unlock;
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retval = kone_tcu_command(usb_dev, 0);
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if (retval)
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goto exit_unlock;
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retval = kone_tcu_command(usb_dev, 4);
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if (retval)
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goto exit_unlock;
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/*
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* Kone needs this time to settle things.
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* Reading settings too early will result in invalid data.
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* Roccat's driver waits 1 sec, maybe this time could be
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* shortened.
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*/
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ssleep(1);
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}
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/* calibration changes values in settings, so reread */
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retval = kone_get_settings(usb_dev, &kone->settings);
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if (retval)
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goto exit_no_settings;
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/* only write settings back if activation state is different */
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if (kone->settings.tcu != state) {
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kone->settings.tcu = state;
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kone_set_settings_checksum(&kone->settings);
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retval = kone_set_settings(usb_dev, &kone->settings);
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if (retval) {
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dev_err(&usb_dev->dev, "couldn't set tcu state\n");
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/*
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* try to reread valid settings into buffer overwriting
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* first error code
|
|
*/
|
|
retval = kone_get_settings(usb_dev, &kone->settings);
|
|
if (retval)
|
|
goto exit_no_settings;
|
|
goto exit_unlock;
|
|
}
|
|
/* calibration resets profile */
|
|
kone_profile_activated(kone, kone->settings.startup_profile);
|
|
}
|
|
|
|
retval = size;
|
|
exit_no_settings:
|
|
dev_err(&usb_dev->dev, "couldn't read settings\n");
|
|
exit_unlock:
|
|
mutex_unlock(&kone->kone_lock);
|
|
return retval;
|
|
}
|
|
|
|
static ssize_t kone_sysfs_show_startup_profile(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct kone_device *kone =
|
|
hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
|
|
return snprintf(buf, PAGE_SIZE, "%d\n", kone->settings.startup_profile);
|
|
}
|
|
|
|
static ssize_t kone_sysfs_set_startup_profile(struct device *dev,
|
|
struct device_attribute *attr, char const *buf, size_t size)
|
|
{
|
|
struct kone_device *kone;
|
|
struct usb_device *usb_dev;
|
|
int retval;
|
|
unsigned long new_startup_profile;
|
|
|
|
dev = dev->parent->parent;
|
|
kone = hid_get_drvdata(dev_get_drvdata(dev));
|
|
usb_dev = interface_to_usbdev(to_usb_interface(dev));
|
|
|
|
retval = strict_strtoul(buf, 10, &new_startup_profile);
|
|
if (retval)
|
|
return retval;
|
|
|
|
if (new_startup_profile < 1 || new_startup_profile > 5)
|
|
return -EINVAL;
|
|
|
|
mutex_lock(&kone->kone_lock);
|
|
|
|
kone->settings.startup_profile = new_startup_profile;
|
|
kone_set_settings_checksum(&kone->settings);
|
|
|
|
retval = kone_set_settings(usb_dev, &kone->settings);
|
|
if (retval) {
|
|
mutex_unlock(&kone->kone_lock);
|
|
return retval;
|
|
}
|
|
|
|
/* changing the startup profile immediately activates this profile */
|
|
kone_profile_activated(kone, new_startup_profile);
|
|
kone_profile_report(kone, new_startup_profile);
|
|
|
|
mutex_unlock(&kone->kone_lock);
|
|
return size;
|
|
}
|
|
|
|
static struct device_attribute kone_attributes[] = {
|
|
/*
|
|
* Read actual dpi settings.
|
|
* Returns raw value for further processing. Refer to enum
|
|
* kone_polling_rates to get real value.
|
|
*/
|
|
__ATTR(actual_dpi, 0440, kone_sysfs_show_actual_dpi, NULL),
|
|
__ATTR(actual_profile, 0440, kone_sysfs_show_actual_profile, NULL),
|
|
|
|
/*
|
|
* The mouse can be equipped with one of four supplied weights from 5
|
|
* to 20 grams which are recognized and its value can be read out.
|
|
* This returns the raw value reported by the mouse for easy evaluation
|
|
* by software. Refer to enum kone_weights to get corresponding real
|
|
* weight.
|
|
*/
|
|
__ATTR(weight, 0440, kone_sysfs_show_weight, NULL),
|
|
|
|
/*
|
|
* Prints firmware version stored in mouse as integer.
|
|
* The raw value reported by the mouse is returned for easy evaluation,
|
|
* to get the real version number the decimal point has to be shifted 2
|
|
* positions to the left. E.g. a value of 138 means 1.38.
|
|
*/
|
|
__ATTR(firmware_version, 0440,
|
|
kone_sysfs_show_firmware_version, NULL),
|
|
|
|
/*
|
|
* Prints state of Tracking Control Unit as number where 0 = off and
|
|
* 1 = on. Writing 0 deactivates tcu and writing 1 calibrates and
|
|
* activates the tcu
|
|
*/
|
|
__ATTR(tcu, 0660, kone_sysfs_show_tcu, kone_sysfs_set_tcu),
|
|
|
|
/* Prints and takes the number of the profile the mouse starts with */
|
|
__ATTR(startup_profile, 0660,
|
|
kone_sysfs_show_startup_profile,
|
|
kone_sysfs_set_startup_profile),
|
|
__ATTR_NULL
|
|
};
|
|
|
|
static struct bin_attribute kone_bin_attributes[] = {
|
|
{
|
|
.attr = { .name = "settings", .mode = 0660 },
|
|
.size = sizeof(struct kone_settings),
|
|
.read = kone_sysfs_read_settings,
|
|
.write = kone_sysfs_write_settings
|
|
},
|
|
{
|
|
.attr = { .name = "profile1", .mode = 0660 },
|
|
.size = sizeof(struct kone_profile),
|
|
.read = kone_sysfs_read_profilex,
|
|
.write = kone_sysfs_write_profilex,
|
|
.private = &profile_numbers[0]
|
|
},
|
|
{
|
|
.attr = { .name = "profile2", .mode = 0660 },
|
|
.size = sizeof(struct kone_profile),
|
|
.read = kone_sysfs_read_profilex,
|
|
.write = kone_sysfs_write_profilex,
|
|
.private = &profile_numbers[1]
|
|
},
|
|
{
|
|
.attr = { .name = "profile3", .mode = 0660 },
|
|
.size = sizeof(struct kone_profile),
|
|
.read = kone_sysfs_read_profilex,
|
|
.write = kone_sysfs_write_profilex,
|
|
.private = &profile_numbers[2]
|
|
},
|
|
{
|
|
.attr = { .name = "profile4", .mode = 0660 },
|
|
.size = sizeof(struct kone_profile),
|
|
.read = kone_sysfs_read_profilex,
|
|
.write = kone_sysfs_write_profilex,
|
|
.private = &profile_numbers[3]
|
|
},
|
|
{
|
|
.attr = { .name = "profile5", .mode = 0660 },
|
|
.size = sizeof(struct kone_profile),
|
|
.read = kone_sysfs_read_profilex,
|
|
.write = kone_sysfs_write_profilex,
|
|
.private = &profile_numbers[4]
|
|
},
|
|
__ATTR_NULL
|
|
};
|
|
|
|
static int kone_init_kone_device_struct(struct usb_device *usb_dev,
|
|
struct kone_device *kone)
|
|
{
|
|
uint i;
|
|
int retval;
|
|
|
|
mutex_init(&kone->kone_lock);
|
|
|
|
for (i = 0; i < 5; ++i) {
|
|
retval = kone_get_profile(usb_dev, &kone->profiles[i], i + 1);
|
|
if (retval)
|
|
return retval;
|
|
}
|
|
|
|
retval = kone_get_settings(usb_dev, &kone->settings);
|
|
if (retval)
|
|
return retval;
|
|
|
|
retval = kone_get_firmware_version(usb_dev, &kone->firmware_version);
|
|
if (retval)
|
|
return retval;
|
|
|
|
kone_profile_activated(kone, kone->settings.startup_profile);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Since IGNORE_MOUSE quirk moved to hid-apple, there is no way to bind only to
|
|
* mousepart if usb_hid is compiled into the kernel and kone is compiled as
|
|
* module.
|
|
* Secial behaviour is bound only to mousepart since only mouseevents contain
|
|
* additional notifications.
|
|
*/
|
|
static int kone_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 kone_device *kone;
|
|
int retval;
|
|
|
|
if (intf->cur_altsetting->desc.bInterfaceProtocol
|
|
== USB_INTERFACE_PROTOCOL_MOUSE) {
|
|
|
|
kone = kzalloc(sizeof(*kone), GFP_KERNEL);
|
|
if (!kone) {
|
|
hid_err(hdev, "can't alloc device descriptor\n");
|
|
return -ENOMEM;
|
|
}
|
|
hid_set_drvdata(hdev, kone);
|
|
|
|
retval = kone_init_kone_device_struct(usb_dev, kone);
|
|
if (retval) {
|
|
hid_err(hdev, "couldn't init struct kone_device\n");
|
|
goto exit_free;
|
|
}
|
|
|
|
retval = roccat_connect(kone_class, hdev,
|
|
sizeof(struct kone_roccat_report));
|
|
if (retval < 0) {
|
|
hid_err(hdev, "couldn't init char dev\n");
|
|
/* be tolerant about not getting chrdev */
|
|
} else {
|
|
kone->roccat_claimed = 1;
|
|
kone->chrdev_minor = retval;
|
|
}
|
|
} else {
|
|
hid_set_drvdata(hdev, NULL);
|
|
}
|
|
|
|
return 0;
|
|
exit_free:
|
|
kfree(kone);
|
|
return retval;
|
|
}
|
|
|
|
static void kone_remove_specials(struct hid_device *hdev)
|
|
{
|
|
struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
|
|
struct kone_device *kone;
|
|
|
|
if (intf->cur_altsetting->desc.bInterfaceProtocol
|
|
== USB_INTERFACE_PROTOCOL_MOUSE) {
|
|
kone = hid_get_drvdata(hdev);
|
|
if (kone->roccat_claimed)
|
|
roccat_disconnect(kone->chrdev_minor);
|
|
kfree(hid_get_drvdata(hdev));
|
|
}
|
|
}
|
|
|
|
static int kone_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 = kone_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 kone_remove(struct hid_device *hdev)
|
|
{
|
|
kone_remove_specials(hdev);
|
|
hid_hw_stop(hdev);
|
|
}
|
|
|
|
/* handle special events and keep actual profile and dpi values up to date */
|
|
static void kone_keep_values_up_to_date(struct kone_device *kone,
|
|
struct kone_mouse_event const *event)
|
|
{
|
|
switch (event->event) {
|
|
case kone_mouse_event_switch_profile:
|
|
kone->actual_dpi = kone->profiles[event->value - 1].
|
|
startup_dpi;
|
|
case kone_mouse_event_osd_profile:
|
|
kone->actual_profile = event->value;
|
|
break;
|
|
case kone_mouse_event_switch_dpi:
|
|
case kone_mouse_event_osd_dpi:
|
|
kone->actual_dpi = event->value;
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void kone_report_to_chrdev(struct kone_device const *kone,
|
|
struct kone_mouse_event const *event)
|
|
{
|
|
struct kone_roccat_report roccat_report;
|
|
|
|
switch (event->event) {
|
|
case kone_mouse_event_switch_profile:
|
|
case kone_mouse_event_switch_dpi:
|
|
case kone_mouse_event_osd_profile:
|
|
case kone_mouse_event_osd_dpi:
|
|
roccat_report.event = event->event;
|
|
roccat_report.value = event->value;
|
|
roccat_report.key = 0;
|
|
roccat_report_event(kone->chrdev_minor,
|
|
(uint8_t *)&roccat_report);
|
|
break;
|
|
case kone_mouse_event_call_overlong_macro:
|
|
case kone_mouse_event_multimedia:
|
|
if (event->value == kone_keystroke_action_press) {
|
|
roccat_report.event = event->event;
|
|
roccat_report.value = kone->actual_profile;
|
|
roccat_report.key = event->macro_key;
|
|
roccat_report_event(kone->chrdev_minor,
|
|
(uint8_t *)&roccat_report);
|
|
}
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
/*
|
|
* Is called for keyboard- and mousepart.
|
|
* Only mousepart gets informations about special events in its extended event
|
|
* structure.
|
|
*/
|
|
static int kone_raw_event(struct hid_device *hdev, struct hid_report *report,
|
|
u8 *data, int size)
|
|
{
|
|
struct kone_device *kone = hid_get_drvdata(hdev);
|
|
struct kone_mouse_event *event = (struct kone_mouse_event *)data;
|
|
|
|
/* keyboard events are always processed by default handler */
|
|
if (size != sizeof(struct kone_mouse_event))
|
|
return 0;
|
|
|
|
if (kone == NULL)
|
|
return 0;
|
|
|
|
/*
|
|
* Firmware 1.38 introduced new behaviour for tilt and special buttons.
|
|
* Pressed button is reported in each movement event.
|
|
* Workaround sends only one event per press.
|
|
*/
|
|
if (memcmp(&kone->last_mouse_event.tilt, &event->tilt, 5))
|
|
memcpy(&kone->last_mouse_event, event,
|
|
sizeof(struct kone_mouse_event));
|
|
else
|
|
memset(&event->tilt, 0, 5);
|
|
|
|
kone_keep_values_up_to_date(kone, event);
|
|
|
|
if (kone->roccat_claimed)
|
|
kone_report_to_chrdev(kone, event);
|
|
|
|
return 0; /* always do further processing */
|
|
}
|
|
|
|
static const struct hid_device_id kone_devices[] = {
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
|
|
{ }
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(hid, kone_devices);
|
|
|
|
static struct hid_driver kone_driver = {
|
|
.name = "kone",
|
|
.id_table = kone_devices,
|
|
.probe = kone_probe,
|
|
.remove = kone_remove,
|
|
.raw_event = kone_raw_event
|
|
};
|
|
|
|
static int __init kone_init(void)
|
|
{
|
|
int retval;
|
|
|
|
/* class name has to be same as driver name */
|
|
kone_class = class_create(THIS_MODULE, "kone");
|
|
if (IS_ERR(kone_class))
|
|
return PTR_ERR(kone_class);
|
|
kone_class->dev_attrs = kone_attributes;
|
|
kone_class->dev_bin_attrs = kone_bin_attributes;
|
|
|
|
retval = hid_register_driver(&kone_driver);
|
|
if (retval)
|
|
class_destroy(kone_class);
|
|
return retval;
|
|
}
|
|
|
|
static void __exit kone_exit(void)
|
|
{
|
|
hid_unregister_driver(&kone_driver);
|
|
class_destroy(kone_class);
|
|
}
|
|
|
|
module_init(kone_init);
|
|
module_exit(kone_exit);
|
|
|
|
MODULE_AUTHOR("Stefan Achatz");
|
|
MODULE_DESCRIPTION("USB Roccat Kone driver");
|
|
MODULE_LICENSE("GPL v2");
|