[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / hid / hid-logitech-dj.h

#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;
	bool querying_devices;
};

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
Commit	Line	Data
534a7b8e NLC	1	#ifndef __HID_LOGITECH_DJ_H
	2	#define __HID_LOGITECH_DJ_H
	3
	4	/*
	5	* HID driver for Logitech Unifying receivers
	6	*
	7	* Copyright (c) 2011 Logitech
	8	*/
	9
	10	/*
	11	* This program is free software; you can redistribute it and/or modify
	12	* it under the terms of the GNU General Public License version 2 as
	13	* published by the Free Software Foundation.
	14	*
	15	* This program is distributed in the hope that it will be useful,
	16	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	* GNU General Public License for more details.
	19	*
	20	* You should have received a copy of the GNU General Public License
	21	* along with this program; if not, write to the Free Software
	22	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	23	*
	24	*/
	25
	26	#include <linux/kfifo.h>
	27
	28	#define DJ_MAX_PAIRED_DEVICES 6
	29	#define DJ_MAX_NUMBER_NOTIFICATIONS 8
844580ff NLC	30	#define DJ_DEVICE_INDEX_MIN 1
844580ff NLC	31	#define DJ_DEVICE_INDEX_MAX 6
534a7b8e NLC	32
	33	#define DJREPORT_SHORT_LENGTH 15
	34	#define DJREPORT_LONG_LENGTH 32
	35
	36	#define REPORT_ID_DJ_SHORT 0x20
	37	#define REPORT_ID_DJ_LONG 0x21
	38
	39	#define REPORT_TYPE_RFREPORT_FIRST 0x01
	40	#define REPORT_TYPE_RFREPORT_LAST 0x1F
	41
	42	/* Command Switch to DJ mode */
	43	#define REPORT_TYPE_CMD_SWITCH 0x80
	44	#define CMD_SWITCH_PARAM_DEVBITFIELD 0x00
	45	#define CMD_SWITCH_PARAM_TIMEOUT_SECONDS 0x01
	46	#define TIMEOUT_NO_KEEPALIVE 0x00
	47
	48	/* Command to Get the list of Paired devices */
	49	#define REPORT_TYPE_CMD_GET_PAIRED_DEVICES 0x81
	50
	51	/* Device Paired Notification */
	52	#define REPORT_TYPE_NOTIF_DEVICE_PAIRED 0x41
	53	#define SPFUNCTION_MORE_NOTIF_EXPECTED 0x01
	54	#define SPFUNCTION_DEVICE_LIST_EMPTY 0x02
	55	#define DEVICE_PAIRED_PARAM_SPFUNCTION 0x00
	56	#define DEVICE_PAIRED_PARAM_EQUAD_ID_LSB 0x01
	57	#define DEVICE_PAIRED_PARAM_EQUAD_ID_MSB 0x02
	58	#define DEVICE_PAIRED_RF_REPORT_TYPE 0x03
	59
	60	/* Device Un-Paired Notification */
	61	#define REPORT_TYPE_NOTIF_DEVICE_UNPAIRED 0x40
	62
	63
	64	/* Connection Status Notification */
	65	#define REPORT_TYPE_NOTIF_CONNECTION_STATUS 0x42
	66	#define CONNECTION_STATUS_PARAM_STATUS 0x00
	67	#define STATUS_LINKLOSS 0x01
	68
	69	/* Error Notification */
	70	#define REPORT_TYPE_NOTIF_ERROR 0x7F
	71	#define NOTIF_ERROR_PARAM_ETYPE 0x00
	72	#define ETYPE_KEEPALIVE_TIMEOUT 0x01
	73
	74	/* supported DJ HID && RF report types */
	75	#define REPORT_TYPE_KEYBOARD 0x01
	76	#define REPORT_TYPE_MOUSE 0x02
	77	#define REPORT_TYPE_CONSUMER_CONTROL 0x03
	78	#define REPORT_TYPE_SYSTEM_CONTROL 0x04
	79	#define REPORT_TYPE_MEDIA_CENTER 0x08
	80	#define REPORT_TYPE_LEDS 0x0E
	81
	82	/* RF Report types bitfield */
	83	#define STD_KEYBOARD 0x00000002
	84	#define STD_MOUSE 0x00000004
	85	#define MULTIMEDIA 0x00000008
	86	#define POWER_KEYS 0x00000010
	87	#define MEDIA_CENTER 0x00000100
	88	#define KBD_LEDS 0x00004000
	89
	90	struct dj_report {
	91	u8 report_id;
	92	u8 device_index;
	93	u8 report_type;
	94	u8 report_params[DJREPORT_SHORT_LENGTH - 3];
	95	};
96
97	struct dj_receiver_dev {
98	struct hid_device *hdev;
844580ff NLC	99	struct dj_device *paired_dj_devices[DJ_MAX_PAIRED_DEVICES +
844580ff NLC	100	DJ_DEVICE_INDEX_MIN];
534a7b8e NLC	101	struct work_struct work;
	102	struct kfifo notif_fifo;
	103	spinlock_t lock;
ac847139	104	bool querying_devices;
534a7b8e NLC	105	};
	106
	107	struct dj_device {
	108	struct hid_device *hdev;
	109	struct dj_receiver_dev *dj_receiver_dev;
	110	u32 reports_supported;
	111	u8 device_index;
	112	};
	113
	114	/**
	115	* is_dj_device - know if the given dj_device is not the receiver.
	116	* @dj_dev: the dj device to test
	117	*
	118	* This macro tests if a struct dj_device pointer is a device created
	119	* by the bus enumarator.
	120	*/
	121	#define is_dj_device(dj_dev) \
	122	(&(dj_dev)->dj_receiver_dev->hdev->dev == (dj_dev)->hdev->dev.parent)
	123
	124	#endif