#ifndef __HID_LOGITECH_DJ_H #define __HID_LOGITECH_DJ_H /* * HID driver for Logitech Unifying receivers * * Copyright (c) 2011 Logitech */ /* * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #include <linux/kfifo.h> #define DJ_MAX_PAIRED_DEVICES 6 #define DJ_MAX_NUMBER_NOTIFICATIONS 8 #define DJ_DEVICE_INDEX_MIN 1 #define DJ_DEVICE_INDEX_MAX 6 #define DJREPORT_SHORT_LENGTH 15 #define DJREPORT_LONG_LENGTH 32 #define REPORT_ID_DJ_SHORT 0x20 #define REPORT_ID_DJ_LONG 0x21 #define REPORT_TYPE_RFREPORT_FIRST 0x01 #define REPORT_TYPE_RFREPORT_LAST 0x1F /* Command Switch to DJ mode */ #define REPORT_TYPE_CMD_SWITCH 0x80 #define CMD_SWITCH_PARAM_DEVBITFIELD 0x00 #define CMD_SWITCH_PARAM_TIMEOUT_SECONDS 0x01 #define TIMEOUT_NO_KEEPALIVE 0x00 /* Command to Get the list of Paired devices */ #define REPORT_TYPE_CMD_GET_PAIRED_DEVICES 0x81 /* Device Paired Notification */ #define REPORT_TYPE_NOTIF_DEVICE_PAIRED 0x41 #define SPFUNCTION_MORE_NOTIF_EXPECTED 0x01 #define SPFUNCTION_DEVICE_LIST_EMPTY 0x02 #define DEVICE_PAIRED_PARAM_SPFUNCTION 0x00 #define DEVICE_PAIRED_PARAM_EQUAD_ID_LSB 0x01 #define DEVICE_PAIRED_PARAM_EQUAD_ID_MSB 0x02 #define DEVICE_PAIRED_RF_REPORT_TYPE 0x03 /* Device Un-Paired Notification */ #define REPORT_TYPE_NOTIF_DEVICE_UNPAIRED 0x40 /* Connection Status Notification */ #define REPORT_TYPE_NOTIF_CONNECTION_STATUS 0x42 #define CONNECTION_STATUS_PARAM_STATUS 0x00 #define STATUS_LINKLOSS 0x01 /* Error Notification */ #define REPORT_TYPE_NOTIF_ERROR 0x7F #define NOTIF_ERROR_PARAM_ETYPE 0x00 #define ETYPE_KEEPALIVE_TIMEOUT 0x01 /* supported DJ HID && RF report types */ #define REPORT_TYPE_KEYBOARD 0x01 #define REPORT_TYPE_MOUSE 0x02 #define REPORT_TYPE_CONSUMER_CONTROL 0x03 #define REPORT_TYPE_SYSTEM_CONTROL 0x04 #define REPORT_TYPE_MEDIA_CENTER 0x08 #define REPORT_TYPE_LEDS 0x0E /* RF Report types bitfield */ #define STD_KEYBOARD 0x00000002 #define STD_MOUSE 0x00000004 #define MULTIMEDIA 0x00000008 #define POWER_KEYS 0x00000010 #define MEDIA_CENTER 0x00000100 #define KBD_LEDS 0x00004000 struct dj_report { u8 report_id; u8 device_index; u8 report_type; u8 report_params[DJREPORT_SHORT_LENGTH - 3]; }; struct dj_receiver_dev { struct hid_device *hdev; struct dj_device *paired_dj_devices[DJ_MAX_PAIRED_DEVICES + DJ_DEVICE_INDEX_MIN]; struct work_struct work; struct kfifo notif_fifo; spinlock_t lock; }; struct dj_device { struct hid_device *hdev; struct dj_receiver_dev *dj_receiver_dev; u32 reports_supported; u8 device_index; }; /** * is_dj_device - know if the given dj_device is not the receiver. * @dj_dev: the dj device to test * * This macro tests if a struct dj_device pointer is a device created * by the bus enumarator. */ #define is_dj_device(dj_dev) \ (&(dj_dev)->dj_receiver_dev->hdev->dev == (dj_dev)->hdev->dev.parent) #endif