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path: root/sensors/ssp.h
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/*
 *  Copyright (C) 2012, Samsung Electronics Co. Ltd. All Rights Reserved.
 *
 *  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.
 *
 *  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.
 *
 */

#ifndef __SSP_PRJ_H__
#define __SSP_PRJ_H__

#include <stdint.h>

#include <linux/types.h>
#include <linux/ioctl.h>

#define SSP_SW_RESET_TIME	3000
#define DEFUALT_POLLING_DELAY	(200 * NSEC_PER_MSEC)
#define PROX_AVG_READ_NUM	80
#define DEFAULT_RETRIES		3

/* Sensor Sampling Time Define */
enum {
	SENSOR_NS_DELAY_FASTEST = 10000000,	/* 10msec */
	SENSOR_NS_DELAY_GAME = 20000000,	/* 20msec */
	SENSOR_NS_DELAY_UI = 66700000,		/* 66.7msec */
	SENSOR_NS_DELAY_NORMAL = 200000000,	/* 200msec */
};

enum {
	SENSOR_MS_DELAY_FASTEST = 10,	/* 10msec */
	SENSOR_MS_DELAY_GAME = 20,	/* 20msec */
	SENSOR_MS_DELAY_UI = 66,	/* 66.7msec */
	SENSOR_MS_DELAY_NORMAL = 200,	/* 200msec */
};

enum {
	SENSOR_CMD_DELAY_FASTEST = 0,	/* 10msec */
	SENSOR_CMD_DELAY_GAME,		/* 20msec */
	SENSOR_CMD_DELAY_UI,		/* 66.7msec */
	SENSOR_CMD_DELAY_NORMAL,	/* 200msec */
};

/*
 * SENSOR_DELAY_SET_STATE
 * Check delay set to avoid sending ADD instruction twice
 */
enum {
	INITIALIZATION_STATE = 0,
	NO_SENSOR_STATE,
	ADD_SENSOR_STATE,
	RUNNING_SENSOR_STATE,
};

/* Gyroscope DPS */
#define GYROSCOPE_DPS250		250
#define GYROSCOPE_DPS500		500
#define GYROSCOPE_DPS2000		2000

/* kernel -> ssp manager cmd*/
#define SSP_LIBRARY_SLEEP_CMD		(1 << 5)
#define SSP_LIBRARY_LARGE_DATA_CMD	(1 << 6)
#define SSP_LIBRARY_WAKEUP_CMD		(1 << 7)

/* ioctl command */
#define AKMIO				0xA1
#define ECS_IOCTL_GET_FUSEROMDATA	_IOR(AKMIO, 0x01, unsigned char[3])
#define ECS_IOCTL_GET_MAGDATA	        _IOR(AKMIO, 0x02, unsigned char[8])
#define ECS_IOCTL_GET_ACCDATA	        _IOR(AKMIO, 0x03, int[3])

/* AP -> SSP Instruction */
#define MSG2SSP_INST_BYPASS_SENSOR_ADD		0xA1
#define MSG2SSP_INST_BYPASS_SENSOR_REMOVE	0xA2
#define MSG2SSP_INST_REMOVE_ALL			0xA3
#define MSG2SSP_INST_CHANGE_DELAY		0xA4
#define MSG2SSP_INST_SENSOR_SELFTEST		0xA8
#define MSG2SSP_INST_LIBRARY_ADD		0xB1
#define MSG2SSP_INST_LIBRARY_REMOVE		0xB2

#define MSG2SSP_AP_STT				0xC8
#define MSG2SSP_AP_STATUS_WAKEUP		0xD1
#define MSG2SSP_AP_STATUS_SLEEP			0xD2
#define MSG2SSP_AP_STATUS_RESET			0xD3
#define MSG2SSP_AP_WHOAMI			0x0F
#define MSG2SSP_AP_FIRMWARE_REV			0xF0
#define MSG2SSP_AP_SENSOR_FORMATION		0xF1
#define MSG2SSP_AP_SENSOR_PROXTHRESHOLD		0xF2
#define MSG2SSP_AP_SENSOR_BARCODE_EMUL		0xF3
#define MSG2SSP_AP_SENSOR_SCANNING		0xF4

#define MSG2SSP_AP_FUSEROM			0X01

/* AP -> SSP Data Protocol Frame Field */
#define MSG2SSP_SSP_SLEEP	0xC1
#define MSG2SSP_STS		0xC2	/* Start to Send */
#define MSG2SSP_RTS		0xC4	/* Ready to Send */
#define MSG2SSP_STT		0xC8
#define MSG2SSP_SRM		0xCA	/* Start to Read MSG */
#define MSG2SSP_SSM		0xCB	/* Start to Send MSG */
#define MSG2SSP_SSD		0xCE	/* Start to Send Data Type & Length */

/* SSP -> AP ACK about write CMD */
#define MSG_ACK					0x80	/* ACK from SSP to AP */
#define MSG_NAK					0x70	/* NAK from SSP to AP */


/* SSP_INSTRUCTION_CMD */
enum {
	REMOVE_SENSOR = 0,
	ADD_SENSOR,
	CHANGE_DELAY,
	GO_SLEEP,
	FACTORY_MODE,
	REMOVE_LIBRARY,
	ADD_LIBRARY,
};

/* SENSOR_TYPE */
enum {
	ACCELEROMETER_SENSOR = 0,
	GYROSCOPE_SENSOR,
	GEOMAGNETIC_SENSOR,
	PRESSURE_SENSOR,
	GESTURE_SENSOR,
	PROXIMITY_SENSOR,
	LIGHT_SENSOR,
	PROXIMITY_RAW,
	ORIENTATION_SENSOR,
	SENSOR_MAX,
};

/* SENSOR_FACTORY_MODE_TYPE */
enum {
	ACCELEROMETER_FACTORY = 0,
	GYROSCOPE_FACTORY,
	GEOMAGNETIC_FACTORY,
	PRESSURE_FACTORY,
	MCU_FACTORY,
	GYROSCOPE_TEMP_FACTORY,
	GYROSCOPE_DPS_FACTORY,
	MCU_SLEEP_FACTORY,
	SENSOR_FACTORY_MAX,
};

struct sensor_value {
	union {
		struct {
			__s16 x;
			__s16 y;
			__s16 z;
		};
		struct {
			__u16 r;
			__u16 g;
			__u16 b;
			__u16 w;
		};
		__u8 prox[4];
		__s16 data[4];
		__s32 pressure[3];
	};
};

struct calibraion_data {
	int x;
	int y;
	int z;
};

#endif