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607 lines
16 KiB
607 lines
16 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* Roccat Pyra driver for Linux |
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* |
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* Copyright (c) 2010 Stefan Achatz <[email protected]> |
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*/ |
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|
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/* |
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*/ |
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|
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/* |
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* Roccat Pyra is a mobile gamer mouse which comes in wired and wireless |
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* variant. Wireless variant is not tested. |
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* Userland tools can be found at http://sourceforge.net/projects/roccat |
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*/ |
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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-pyra.h" |
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static uint profile_numbers[5] = {0, 1, 2, 3, 4}; |
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|
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/* pyra_class is used for creating sysfs attributes via roccat char device */ |
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static struct class *pyra_class; |
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|
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static void profile_activated(struct pyra_device *pyra, |
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unsigned int new_profile) |
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{ |
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if (new_profile >= ARRAY_SIZE(pyra->profile_settings)) |
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return; |
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pyra->actual_profile = new_profile; |
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pyra->actual_cpi = pyra->profile_settings[pyra->actual_profile].y_cpi; |
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} |
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static int pyra_send_control(struct usb_device *usb_dev, int value, |
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enum pyra_control_requests request) |
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{ |
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struct roccat_common2_control control; |
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if ((request == PYRA_CONTROL_REQUEST_PROFILE_SETTINGS || |
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request == PYRA_CONTROL_REQUEST_PROFILE_BUTTONS) && |
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(value < 0 || value > 4)) |
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return -EINVAL; |
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control.command = ROCCAT_COMMON_COMMAND_CONTROL; |
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control.value = value; |
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control.request = request; |
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return roccat_common2_send(usb_dev, ROCCAT_COMMON_COMMAND_CONTROL, |
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&control, sizeof(struct roccat_common2_control)); |
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} |
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static int pyra_get_profile_settings(struct usb_device *usb_dev, |
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struct pyra_profile_settings *buf, int number) |
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{ |
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int retval; |
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retval = pyra_send_control(usb_dev, number, |
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PYRA_CONTROL_REQUEST_PROFILE_SETTINGS); |
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if (retval) |
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return retval; |
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return roccat_common2_receive(usb_dev, PYRA_COMMAND_PROFILE_SETTINGS, |
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buf, PYRA_SIZE_PROFILE_SETTINGS); |
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} |
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static int pyra_get_settings(struct usb_device *usb_dev, |
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struct pyra_settings *buf) |
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{ |
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return roccat_common2_receive(usb_dev, PYRA_COMMAND_SETTINGS, |
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buf, PYRA_SIZE_SETTINGS); |
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} |
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|
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static int pyra_set_settings(struct usb_device *usb_dev, |
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struct pyra_settings const *settings) |
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{ |
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return roccat_common2_send_with_status(usb_dev, |
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PYRA_COMMAND_SETTINGS, settings, |
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PYRA_SIZE_SETTINGS); |
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} |
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static ssize_t pyra_sysfs_read(struct file *fp, struct kobject *kobj, |
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char *buf, loff_t off, size_t count, |
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size_t real_size, uint command) |
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{ |
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struct device *dev = kobj_to_dev(kobj)->parent->parent; |
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struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); |
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struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); |
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int retval; |
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if (off >= real_size) |
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return 0; |
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if (off != 0 || count != real_size) |
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return -EINVAL; |
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mutex_lock(&pyra->pyra_lock); |
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retval = roccat_common2_receive(usb_dev, command, buf, real_size); |
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mutex_unlock(&pyra->pyra_lock); |
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if (retval) |
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return retval; |
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return real_size; |
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} |
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static ssize_t pyra_sysfs_write(struct file *fp, struct kobject *kobj, |
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void const *buf, loff_t off, size_t count, |
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size_t real_size, uint command) |
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{ |
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struct device *dev = kobj_to_dev(kobj)->parent->parent; |
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struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); |
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struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); |
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int retval; |
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if (off != 0 || count != real_size) |
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return -EINVAL; |
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mutex_lock(&pyra->pyra_lock); |
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retval = roccat_common2_send_with_status(usb_dev, command, (void *)buf, real_size); |
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mutex_unlock(&pyra->pyra_lock); |
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if (retval) |
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return retval; |
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return real_size; |
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} |
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#define PYRA_SYSFS_W(thingy, THINGY) \ |
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static ssize_t pyra_sysfs_write_ ## thingy(struct file *fp, \ |
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struct kobject *kobj, struct bin_attribute *attr, char *buf, \ |
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loff_t off, size_t count) \ |
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{ \ |
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return pyra_sysfs_write(fp, kobj, buf, off, count, \ |
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PYRA_SIZE_ ## THINGY, PYRA_COMMAND_ ## THINGY); \ |
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} |
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#define PYRA_SYSFS_R(thingy, THINGY) \ |
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static ssize_t pyra_sysfs_read_ ## thingy(struct file *fp, \ |
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struct kobject *kobj, struct bin_attribute *attr, char *buf, \ |
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loff_t off, size_t count) \ |
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{ \ |
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return pyra_sysfs_read(fp, kobj, buf, off, count, \ |
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PYRA_SIZE_ ## THINGY, PYRA_COMMAND_ ## THINGY); \ |
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} |
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#define PYRA_SYSFS_RW(thingy, THINGY) \ |
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PYRA_SYSFS_W(thingy, THINGY) \ |
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PYRA_SYSFS_R(thingy, THINGY) |
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|
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#define PYRA_BIN_ATTRIBUTE_RW(thingy, THINGY) \ |
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PYRA_SYSFS_RW(thingy, THINGY); \ |
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static struct bin_attribute bin_attr_##thingy = { \ |
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.attr = { .name = #thingy, .mode = 0660 }, \ |
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.size = PYRA_SIZE_ ## THINGY, \ |
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.read = pyra_sysfs_read_ ## thingy, \ |
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.write = pyra_sysfs_write_ ## thingy \ |
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} |
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#define PYRA_BIN_ATTRIBUTE_R(thingy, THINGY) \ |
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PYRA_SYSFS_R(thingy, THINGY); \ |
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static struct bin_attribute bin_attr_##thingy = { \ |
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.attr = { .name = #thingy, .mode = 0440 }, \ |
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.size = PYRA_SIZE_ ## THINGY, \ |
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.read = pyra_sysfs_read_ ## thingy, \ |
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} |
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#define PYRA_BIN_ATTRIBUTE_W(thingy, THINGY) \ |
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PYRA_SYSFS_W(thingy, THINGY); \ |
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static struct bin_attribute bin_attr_##thingy = { \ |
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.attr = { .name = #thingy, .mode = 0220 }, \ |
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.size = PYRA_SIZE_ ## THINGY, \ |
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.write = pyra_sysfs_write_ ## thingy \ |
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} |
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PYRA_BIN_ATTRIBUTE_W(control, CONTROL); |
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PYRA_BIN_ATTRIBUTE_RW(info, INFO); |
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PYRA_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS); |
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PYRA_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS); |
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static ssize_t pyra_sysfs_read_profilex_settings(struct file *fp, |
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struct kobject *kobj, struct bin_attribute *attr, char *buf, |
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loff_t off, size_t count) |
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{ |
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struct device *dev = kobj_to_dev(kobj)->parent->parent; |
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struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); |
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ssize_t retval; |
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retval = pyra_send_control(usb_dev, *(uint *)(attr->private), |
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PYRA_CONTROL_REQUEST_PROFILE_SETTINGS); |
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if (retval) |
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return retval; |
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return pyra_sysfs_read(fp, kobj, buf, off, count, |
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PYRA_SIZE_PROFILE_SETTINGS, |
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PYRA_COMMAND_PROFILE_SETTINGS); |
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} |
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static ssize_t pyra_sysfs_read_profilex_buttons(struct file *fp, |
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struct kobject *kobj, struct bin_attribute *attr, char *buf, |
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loff_t off, size_t count) |
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{ |
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struct device *dev = kobj_to_dev(kobj)->parent->parent; |
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struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); |
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ssize_t retval; |
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retval = pyra_send_control(usb_dev, *(uint *)(attr->private), |
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PYRA_CONTROL_REQUEST_PROFILE_BUTTONS); |
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if (retval) |
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return retval; |
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return pyra_sysfs_read(fp, kobj, buf, off, count, |
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PYRA_SIZE_PROFILE_BUTTONS, |
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PYRA_COMMAND_PROFILE_BUTTONS); |
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} |
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#define PROFILE_ATTR(number) \ |
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static struct bin_attribute bin_attr_profile##number##_settings = { \ |
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.attr = { .name = "profile" #number "_settings", .mode = 0440 }, \ |
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.size = PYRA_SIZE_PROFILE_SETTINGS, \ |
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.read = pyra_sysfs_read_profilex_settings, \ |
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.private = &profile_numbers[number-1], \ |
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}; \ |
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static struct bin_attribute bin_attr_profile##number##_buttons = { \ |
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.attr = { .name = "profile" #number "_buttons", .mode = 0440 }, \ |
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.size = PYRA_SIZE_PROFILE_BUTTONS, \ |
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.read = pyra_sysfs_read_profilex_buttons, \ |
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.private = &profile_numbers[number-1], \ |
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}; |
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PROFILE_ATTR(1); |
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PROFILE_ATTR(2); |
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PROFILE_ATTR(3); |
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PROFILE_ATTR(4); |
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PROFILE_ATTR(5); |
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static ssize_t pyra_sysfs_write_settings(struct file *fp, |
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struct kobject *kobj, struct bin_attribute *attr, char *buf, |
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loff_t off, size_t count) |
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{ |
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struct device *dev = kobj_to_dev(kobj)->parent->parent; |
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struct pyra_device *pyra = 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; |
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struct pyra_roccat_report roccat_report; |
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struct pyra_settings const *settings; |
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if (off != 0 || count != PYRA_SIZE_SETTINGS) |
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return -EINVAL; |
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settings = (struct pyra_settings const *)buf; |
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if (settings->startup_profile >= ARRAY_SIZE(pyra->profile_settings)) |
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return -EINVAL; |
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mutex_lock(&pyra->pyra_lock); |
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retval = pyra_set_settings(usb_dev, settings); |
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if (retval) { |
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mutex_unlock(&pyra->pyra_lock); |
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return retval; |
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} |
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profile_activated(pyra, settings->startup_profile); |
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roccat_report.type = PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2; |
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roccat_report.value = settings->startup_profile + 1; |
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roccat_report.key = 0; |
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roccat_report_event(pyra->chrdev_minor, |
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(uint8_t const *)&roccat_report); |
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mutex_unlock(&pyra->pyra_lock); |
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return PYRA_SIZE_SETTINGS; |
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} |
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PYRA_SYSFS_R(settings, SETTINGS); |
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static struct bin_attribute bin_attr_settings = |
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__BIN_ATTR(settings, (S_IWUSR | S_IRUGO), |
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pyra_sysfs_read_settings, pyra_sysfs_write_settings, |
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PYRA_SIZE_SETTINGS); |
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static ssize_t pyra_sysfs_show_actual_cpi(struct device *dev, |
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struct device_attribute *attr, char *buf) |
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{ |
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struct pyra_device *pyra = |
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hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); |
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return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_cpi); |
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} |
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static DEVICE_ATTR(actual_cpi, 0440, pyra_sysfs_show_actual_cpi, NULL); |
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static ssize_t pyra_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 pyra_device *pyra = |
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hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); |
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struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); |
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struct pyra_settings settings; |
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mutex_lock(&pyra->pyra_lock); |
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roccat_common2_receive(usb_dev, PYRA_COMMAND_SETTINGS, |
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&settings, PYRA_SIZE_SETTINGS); |
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mutex_unlock(&pyra->pyra_lock); |
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return snprintf(buf, PAGE_SIZE, "%d\n", settings.startup_profile); |
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} |
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static DEVICE_ATTR(actual_profile, 0440, pyra_sysfs_show_actual_profile, NULL); |
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static DEVICE_ATTR(startup_profile, 0440, pyra_sysfs_show_actual_profile, NULL); |
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static ssize_t pyra_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 pyra_device *pyra; |
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struct usb_device *usb_dev; |
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struct pyra_info info; |
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dev = dev->parent->parent; |
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pyra = 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(&pyra->pyra_lock); |
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roccat_common2_receive(usb_dev, PYRA_COMMAND_INFO, |
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&info, PYRA_SIZE_INFO); |
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mutex_unlock(&pyra->pyra_lock); |
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return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version); |
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} |
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static DEVICE_ATTR(firmware_version, 0440, pyra_sysfs_show_firmware_version, |
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NULL); |
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static struct attribute *pyra_attrs[] = { |
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&dev_attr_actual_cpi.attr, |
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&dev_attr_actual_profile.attr, |
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&dev_attr_firmware_version.attr, |
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&dev_attr_startup_profile.attr, |
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NULL, |
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}; |
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static struct bin_attribute *pyra_bin_attributes[] = { |
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&bin_attr_control, |
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&bin_attr_info, |
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&bin_attr_profile_settings, |
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&bin_attr_profile_buttons, |
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&bin_attr_settings, |
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&bin_attr_profile1_settings, |
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&bin_attr_profile2_settings, |
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&bin_attr_profile3_settings, |
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&bin_attr_profile4_settings, |
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&bin_attr_profile5_settings, |
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&bin_attr_profile1_buttons, |
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&bin_attr_profile2_buttons, |
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&bin_attr_profile3_buttons, |
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&bin_attr_profile4_buttons, |
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&bin_attr_profile5_buttons, |
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NULL, |
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}; |
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static const struct attribute_group pyra_group = { |
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.attrs = pyra_attrs, |
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.bin_attrs = pyra_bin_attributes, |
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}; |
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static const struct attribute_group *pyra_groups[] = { |
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&pyra_group, |
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NULL, |
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}; |
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static int pyra_init_pyra_device_struct(struct usb_device *usb_dev, |
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struct pyra_device *pyra) |
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{ |
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struct pyra_settings settings; |
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int retval, i; |
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mutex_init(&pyra->pyra_lock); |
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retval = pyra_get_settings(usb_dev, &settings); |
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if (retval) |
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return retval; |
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for (i = 0; i < 5; ++i) { |
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retval = pyra_get_profile_settings(usb_dev, |
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&pyra->profile_settings[i], i); |
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if (retval) |
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return retval; |
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} |
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profile_activated(pyra, settings.startup_profile); |
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return 0; |
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} |
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static int pyra_init_specials(struct hid_device *hdev) |
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{ |
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struct usb_interface *intf = to_usb_interface(hdev->dev.parent); |
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struct usb_device *usb_dev = interface_to_usbdev(intf); |
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struct pyra_device *pyra; |
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int retval; |
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if (intf->cur_altsetting->desc.bInterfaceProtocol |
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== USB_INTERFACE_PROTOCOL_MOUSE) { |
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pyra = kzalloc(sizeof(*pyra), GFP_KERNEL); |
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if (!pyra) { |
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hid_err(hdev, "can't alloc device descriptor\n"); |
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return -ENOMEM; |
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} |
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hid_set_drvdata(hdev, pyra); |
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retval = pyra_init_pyra_device_struct(usb_dev, pyra); |
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if (retval) { |
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hid_err(hdev, "couldn't init struct pyra_device\n"); |
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goto exit_free; |
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} |
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retval = roccat_connect(pyra_class, hdev, |
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sizeof(struct pyra_roccat_report)); |
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if (retval < 0) { |
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hid_err(hdev, "couldn't init char dev\n"); |
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} else { |
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pyra->chrdev_minor = retval; |
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pyra->roccat_claimed = 1; |
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} |
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} else { |
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hid_set_drvdata(hdev, NULL); |
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} |
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return 0; |
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exit_free: |
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kfree(pyra); |
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return retval; |
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} |
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static void pyra_remove_specials(struct hid_device *hdev) |
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{ |
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struct usb_interface *intf = to_usb_interface(hdev->dev.parent); |
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struct pyra_device *pyra; |
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|
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if (intf->cur_altsetting->desc.bInterfaceProtocol |
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== USB_INTERFACE_PROTOCOL_MOUSE) { |
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pyra = hid_get_drvdata(hdev); |
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if (pyra->roccat_claimed) |
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roccat_disconnect(pyra->chrdev_minor); |
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kfree(hid_get_drvdata(hdev)); |
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} |
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} |
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static int pyra_probe(struct hid_device *hdev, const struct hid_device_id *id) |
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{ |
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int retval; |
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retval = hid_parse(hdev); |
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if (retval) { |
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hid_err(hdev, "parse failed\n"); |
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goto exit; |
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} |
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retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); |
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if (retval) { |
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hid_err(hdev, "hw start failed\n"); |
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goto exit; |
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} |
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retval = pyra_init_specials(hdev); |
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if (retval) { |
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hid_err(hdev, "couldn't install mouse\n"); |
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goto exit_stop; |
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} |
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return 0; |
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exit_stop: |
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hid_hw_stop(hdev); |
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exit: |
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return retval; |
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} |
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|
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static void pyra_remove(struct hid_device *hdev) |
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{ |
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pyra_remove_specials(hdev); |
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hid_hw_stop(hdev); |
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} |
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|
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static void pyra_keep_values_up_to_date(struct pyra_device *pyra, |
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u8 const *data) |
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{ |
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struct pyra_mouse_event_button const *button_event; |
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|
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switch (data[0]) { |
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case PYRA_MOUSE_REPORT_NUMBER_BUTTON: |
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button_event = (struct pyra_mouse_event_button const *)data; |
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switch (button_event->type) { |
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case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2: |
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profile_activated(pyra, button_event->data1 - 1); |
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break; |
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case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI: |
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pyra->actual_cpi = button_event->data1; |
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break; |
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} |
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break; |
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} |
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} |
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|
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static void pyra_report_to_chrdev(struct pyra_device const *pyra, |
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u8 const *data) |
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{ |
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struct pyra_roccat_report roccat_report; |
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struct pyra_mouse_event_button const *button_event; |
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|
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if (data[0] != PYRA_MOUSE_REPORT_NUMBER_BUTTON) |
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return; |
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button_event = (struct pyra_mouse_event_button const *)data; |
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|
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switch (button_event->type) { |
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case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2: |
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case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI: |
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roccat_report.type = button_event->type; |
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roccat_report.value = button_event->data1; |
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roccat_report.key = 0; |
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roccat_report_event(pyra->chrdev_minor, |
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(uint8_t const *)&roccat_report); |
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break; |
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case PYRA_MOUSE_EVENT_BUTTON_TYPE_MACRO: |
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case PYRA_MOUSE_EVENT_BUTTON_TYPE_SHORTCUT: |
|
case PYRA_MOUSE_EVENT_BUTTON_TYPE_QUICKLAUNCH: |
|
if (button_event->data2 == PYRA_MOUSE_EVENT_BUTTON_PRESS) { |
|
roccat_report.type = button_event->type; |
|
roccat_report.key = button_event->data1; |
|
/* |
|
* pyra reports profile numbers with range 1-5. |
|
* Keeping this behaviour. |
|
*/ |
|
roccat_report.value = pyra->actual_profile + 1; |
|
roccat_report_event(pyra->chrdev_minor, |
|
(uint8_t const *)&roccat_report); |
|
} |
|
break; |
|
} |
|
} |
|
|
|
static int pyra_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 pyra_device *pyra = hid_get_drvdata(hdev); |
|
|
|
if (intf->cur_altsetting->desc.bInterfaceProtocol |
|
!= USB_INTERFACE_PROTOCOL_MOUSE) |
|
return 0; |
|
|
|
if (pyra == NULL) |
|
return 0; |
|
|
|
pyra_keep_values_up_to_date(pyra, data); |
|
|
|
if (pyra->roccat_claimed) |
|
pyra_report_to_chrdev(pyra, data); |
|
|
|
return 0; |
|
} |
|
|
|
static const struct hid_device_id pyra_devices[] = { |
|
{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, |
|
USB_DEVICE_ID_ROCCAT_PYRA_WIRED) }, |
|
{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, |
|
USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) }, |
|
{ } |
|
}; |
|
|
|
MODULE_DEVICE_TABLE(hid, pyra_devices); |
|
|
|
static struct hid_driver pyra_driver = { |
|
.name = "pyra", |
|
.id_table = pyra_devices, |
|
.probe = pyra_probe, |
|
.remove = pyra_remove, |
|
.raw_event = pyra_raw_event |
|
}; |
|
|
|
static int __init pyra_init(void) |
|
{ |
|
int retval; |
|
|
|
/* class name has to be same as driver name */ |
|
pyra_class = class_create(THIS_MODULE, "pyra"); |
|
if (IS_ERR(pyra_class)) |
|
return PTR_ERR(pyra_class); |
|
pyra_class->dev_groups = pyra_groups; |
|
|
|
retval = hid_register_driver(&pyra_driver); |
|
if (retval) |
|
class_destroy(pyra_class); |
|
return retval; |
|
} |
|
|
|
static void __exit pyra_exit(void) |
|
{ |
|
hid_unregister_driver(&pyra_driver); |
|
class_destroy(pyra_class); |
|
} |
|
|
|
module_init(pyra_init); |
|
module_exit(pyra_exit); |
|
|
|
MODULE_AUTHOR("Stefan Achatz"); |
|
MODULE_DESCRIPTION("USB Roccat Pyra driver"); |
|
MODULE_LICENSE("GPL v2");
|
|
|