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/*
* Copyright (C) 2010 MEMSIC, Inc.
*
*
* 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.
*
* 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
*
*/
/*
* Definitions for mmc328x magnetic sensor chip.
*/
#ifndef __MMC328X_H__
#define __MMC328X_H__
#include <linux/ioctl.h>
#define MMC328X_I2C_NAME "mmc328x"
/*
* This address comes must match the part# on your target.
* Address to the sensor part# support as following list:
* MMC3280MS - 0110000b
* MMC3281MS - 0110001b
* MMC3282MS - 0110010b
* MMC3283MS - 0110011b
* MMC3284MS - 0110100b
* MMC3285MS - 0110101b
* MMC3286MS - 0110110b
* MMC3287MS - 0110111b
* Please refer to sensor datasheet for detail.
*/
struct wmt_msensor_data{
// for control
int int_gpio; //0-3
int op;
int samp;
int xyz_axis[3][2]; // (axis,direction)
struct proc_dir_entry* sensor_proc;
struct input_dev *input_dev;
//struct work_struct work;
struct delayed_work work; // for polling
struct workqueue_struct *queue;
int isdbg;
int sensor_samp; //
int sensor_enable; // 0 --> disable sensor, 1 --> enable sensor
int test_pass;
int offset[3];
struct i2c_client *client;
#ifdef CONFIG_HAS_EARLYSUSPEND
struct early_suspend earlysuspend;
#endif
};
#define MMC328X_I2C_ADDR 0x30
/* MMC328X register address */
#define MMC328X_REG_CTRL 0x07
#define MMC328X_REG_DATA 0x00
#define MMC328X_REG_DS 0x06
/* MMC328X control bit */
#define MMC328X_CTRL_TM 0x01
#define MMC328X_CTRL_RM 0x20
#define MMC328X_CTRL_RRM 0x40
#define MMC328X_CTRL_NOBOOST 0x10
/* Use 'm' as magic number */
#define MMC328X_IOM 'm'
/* IOCTLs for MMC328X device */
#define MMC328X_IOC_TM _IO (MMC328X_IOM, 0x00)
#define MMC328X_IOC_RM _IO (MMC328X_IOM, 0x01)
#define MMC328X_IOC_READ _IOR(MMC328X_IOM, 0x02, int[3])
#define MMC328X_IOC_READXYZ _IOR(MMC328X_IOM, 0x03, int[3])
#define MMC328X_IOC_RRM _IO (MMC328X_IOM, 0x04)
#define MMC328X_IOC_NOBOOST _IO (MMC328X_IOM, 0x05)
#endif /* __MMC328X_H__ */
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