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/*
* Copyright (C) 2012 Senodia.
*
* Author: Tori Xu <xuezhi_xu@senodia.com>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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.
*
*/
/*
* Definitions for senodia compass chip.
*/
#ifndef MAGNETIC_H
#define MAGNETIC_H
#include <linux/i2c.h>
#include <linux/slab.h>
#include <linux/miscdevice.h>
#include <linux/gpio.h>
#include <linux/uaccess.h>
#include <linux/delay.h>
#include <linux/input.h>
#include <linux/workqueue.h>
#include <linux/freezer.h>
#include <linux/ioctl.h>
/*
* ABS(min~max)
*/
#define ABSMIN_MAG -32768
#define ABSMAX_MAG 32767
/*
* device id
*/
#define ST480_DEVICE_ID 0x7C
/*
* I2C name
*/
#define ST480_I2C_NAME "st480"
/*
* I2C addr
*/
#define ST480_I2C_ADDR 0x0c
/*
* IC Package size(choose your ic size)
*/
#define ST480_SIZE_3X3_QFN 0
#define ST480_SIZE_2X2_BGA 0
#define ST480_SIZE_1_6X1_6_LGA 1
#define ST480_SIZE_1_6X1_6_BGA 0
/*
* register shift
*/
#define ST480_REG_DRR_SHIFT 2
/*
* BURST MODE(INT)
*/
#define ST480_BURST_MODE 0
#define BURST_MODE_CMD 0x1F
#define BURST_MODE_DATA_LOW 0x01
/*
* SINGLE MODE
*/
#define ST480_SINGLE_MODE 1
#define SINGLE_MEASUREMENT_MODE_CMD 0x3F
/*
* register
*/
#define READ_MEASUREMENT_CMD 0x4F
#define WRITE_REGISTER_CMD 0x60
#define READ_REGISTER_CMD 0x50
#define EXIT_REGISTER_CMD 0x80
#define MEMORY_RECALL_CMD 0xD0
#define MEMORY_STORE_CMD 0xE0
#define RESET_CMD 0xF0
#define CALIBRATION_REG (0x02 << ST480_REG_DRR_SHIFT)
#define CALIBRATION_DATA_LOW 0x1C
#define CALIBRATION_DATA_HIGH 0x00
#define ONE_INIT_DATA_LOW 0x7C
#define ONE_INIT_DATA_HIGH 0x00
#define ONE_INIT_REG (0x00 << ST480_REG_DRR_SHIFT)
#define TWO_INIT_DATA_LOW 0x00
#define TWO_INIT_DATA_HIGH 0x00
#define TWO_INIT_REG (0x02 << ST480_REG_DRR_SHIFT)
/*
* Miscellaneous set. If unsure,don't modify them!
*/
#define IC_CHECK 0
#define ST480_DATA_TRANSFER 1
#define ST480_SMBUS_READ_BYTE_BLOCK 0
#define ST480_SMBUS_WRITE_BYTE_BLOCK 0
#define ST480_SMBUS_READ_BYTE 0
#define ST480_SMBUS_WRITE_BYTE 0
#define MAX_FAILURE_COUNT 3
#define ST480_DEFAULT_DELAY 30
#define ST480_AUTO_TEST 0
#define OLD_KERNEL_VERSION 0
#if ST480_AUTO_TEST
#include <linux/kthread.h>
#endif
/*
* Debug
*/
#define SENODIA_DEBUG_MSG 0
#define SENODIA_DEBUG_FUNC 0
#if SENODIA_DEBUG_MSG
#define SENODIADBG(format, ...) printk(KERN_INFO "SENODIA " format "\n", ## __VA_ARGS__)
#else
#define SENODIADBG(format, ...)
#endif
#if SENODIA_DEBUG_FUNC
#define SENODIAFUNC(func) printk(KERN_INFO "SENODIA " func " is called\n")
#else
#define SENODIAFUNC(func)
#endif
/*******************************************************************/
struct st480_platform_data {
u8 axis_map_x;
u8 axis_map_y;
u8 axis_map_z;
u8 negate_x;
u8 negate_y;
u8 negate_z;
};
#define SENODIAIO 0xA1
/* IOCTLs for hal*/
#define ECS_IOCTL_APP_SET_MFLAG _IOW(SENODIAIO, 0x10, short)
#define ECS_IOCTL_APP_GET_MFLAG _IOR(SENODIAIO, 0x11, short)
#define ECS_IOCTL_APP_SET_DELAY _IOW(SENODIAIO, 0x12, short)
#define ECS_IOCTL_APP_GET_DELAY _IOR(SENODIAIO, 0x13, short)
#define ECS_IOCTL_APP_SET_MVFLAG _IOW(SENODIAIO, 0x14, short)
#define ECS_IOCTL_APP_GET_MVFLAG _IOR(SENODIAIO, 0x15, short)
#endif
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