Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / hid / hid-roccat-ryos.c
diff --git a/kernel/drivers/hid/hid-roccat-ryos.c b/kernel/drivers/hid/hid-roccat-ryos.c
new file mode 100644 (file)
index 0000000..47cc8f3
--- /dev/null
@@ -0,0 +1,241 @@
+/*
+ * Roccat Ryos driver for Linux
+ *
+ * Copyright (c) 2013 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.
+ */
+
+#include <linux/types.h>
+#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"
+
+enum {
+       RYOS_REPORT_NUMBER_SPECIAL = 3,
+       RYOS_USB_INTERFACE_PROTOCOL = 0,
+};
+
+struct ryos_report_special {
+       uint8_t number; /* RYOS_REPORT_NUMBER_SPECIAL */
+       uint8_t data[4];
+} __packed;
+
+static struct class *ryos_class;
+
+ROCCAT_COMMON2_BIN_ATTRIBUTE_W(control, 0x04, 0x03);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(profile, 0x05, 0x03);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(keys_primary, 0x06, 0x7d);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(keys_function, 0x07, 0x5f);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(keys_macro, 0x08, 0x23);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(keys_thumbster, 0x09, 0x17);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(keys_extra, 0x0a, 0x08);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(keys_easyzone, 0x0b, 0x126);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(key_mask, 0x0c, 0x06);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(light, 0x0d, 0x10);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(macro, 0x0e, 0x7d2);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_R(info, 0x0f, 0x08);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_W(reset, 0x11, 0x03);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_W(light_control, 0x13, 0x08);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_W(talk, 0x16, 0x10);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(stored_lights, 0x17, 0x0566);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_W(custom_lights, 0x18, 0x14);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(light_macro, 0x19, 0x07d2);
+
+static struct bin_attribute *ryos_bin_attrs[] = {
+       &bin_attr_control,
+       &bin_attr_profile,
+       &bin_attr_keys_primary,
+       &bin_attr_keys_function,
+       &bin_attr_keys_macro,
+       &bin_attr_keys_thumbster,
+       &bin_attr_keys_extra,
+       &bin_attr_keys_easyzone,
+       &bin_attr_key_mask,
+       &bin_attr_light,
+       &bin_attr_macro,
+       &bin_attr_info,
+       &bin_attr_reset,
+       &bin_attr_light_control,
+       &bin_attr_talk,
+       &bin_attr_stored_lights,
+       &bin_attr_custom_lights,
+       &bin_attr_light_macro,
+       NULL,
+};
+
+static const struct attribute_group ryos_group = {
+       .bin_attrs = ryos_bin_attrs,
+};
+
+static const struct attribute_group *ryos_groups[] = {
+       &ryos_group,
+       NULL,
+};
+
+static int ryos_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 roccat_common2_device *ryos;
+       int retval;
+
+       if (intf->cur_altsetting->desc.bInterfaceProtocol
+                       != RYOS_USB_INTERFACE_PROTOCOL) {
+               hid_set_drvdata(hdev, NULL);
+               return 0;
+       }
+
+       ryos = kzalloc(sizeof(*ryos), GFP_KERNEL);
+       if (!ryos) {
+               hid_err(hdev, "can't alloc device descriptor\n");
+               return -ENOMEM;
+       }
+       hid_set_drvdata(hdev, ryos);
+
+       retval = roccat_common2_device_init_struct(usb_dev, ryos);
+       if (retval) {
+               hid_err(hdev, "couldn't init Ryos device\n");
+               goto exit_free;
+       }
+
+       retval = roccat_connect(ryos_class, hdev,
+                       sizeof(struct ryos_report_special));
+       if (retval < 0) {
+               hid_err(hdev, "couldn't init char dev\n");
+       } else {
+               ryos->chrdev_minor = retval;
+               ryos->roccat_claimed = 1;
+       }
+
+       return 0;
+exit_free:
+       kfree(ryos);
+       return retval;
+}
+
+static void ryos_remove_specials(struct hid_device *hdev)
+{
+       struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+       struct roccat_common2_device *ryos;
+
+       if (intf->cur_altsetting->desc.bInterfaceProtocol
+                       != RYOS_USB_INTERFACE_PROTOCOL)
+               return;
+
+       ryos = hid_get_drvdata(hdev);
+       if (ryos->roccat_claimed)
+               roccat_disconnect(ryos->chrdev_minor);
+       kfree(ryos);
+}
+
+static int ryos_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 = ryos_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 ryos_remove(struct hid_device *hdev)
+{
+       ryos_remove_specials(hdev);
+       hid_hw_stop(hdev);
+}
+
+static int ryos_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 roccat_common2_device *ryos = hid_get_drvdata(hdev);
+
+       if (intf->cur_altsetting->desc.bInterfaceProtocol
+                       != RYOS_USB_INTERFACE_PROTOCOL)
+               return 0;
+
+       if (data[0] != RYOS_REPORT_NUMBER_SPECIAL)
+               return 0;
+
+       if (ryos != NULL && ryos->roccat_claimed)
+               roccat_report_event(ryos->chrdev_minor, data);
+
+       return 0;
+}
+
+static const struct hid_device_id ryos_devices[] = {
+       { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) },
+       { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) },
+       { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
+       { }
+};
+
+MODULE_DEVICE_TABLE(hid, ryos_devices);
+
+static struct hid_driver ryos_driver = {
+               .name = "ryos",
+               .id_table = ryos_devices,
+               .probe = ryos_probe,
+               .remove = ryos_remove,
+               .raw_event = ryos_raw_event
+};
+
+static int __init ryos_init(void)
+{
+       int retval;
+
+       ryos_class = class_create(THIS_MODULE, "ryos");
+       if (IS_ERR(ryos_class))
+               return PTR_ERR(ryos_class);
+       ryos_class->dev_groups = ryos_groups;
+
+       retval = hid_register_driver(&ryos_driver);
+       if (retval)
+               class_destroy(ryos_class);
+       return retval;
+}
+
+static void __exit ryos_exit(void)
+{
+       hid_unregister_driver(&ryos_driver);
+       class_destroy(ryos_class);
+}
+
+module_init(ryos_init);
+module_exit(ryos_exit);
+
+MODULE_AUTHOR("Stefan Achatz");
+MODULE_DESCRIPTION("USB Roccat Ryos MK/Glow/Pro driver");
+MODULE_LICENSE("GPL v2");