/*
 * Copyright (c) Hisilicon Technologies Co., Ltd. 2021-2021. All rights reserved.
 * Description: adc.h
 * Author: Hisilicon
 * Create: 2021-12-15
 */

#ifndef ADC_H
#define ADC_H

#include <linux/semaphore.h>

#define SENSOR_NAME_NUM 16
#define ADC_CHANNEL_NUM 14
#define ADC_GROUP_SIZE 2

#define ADC_DEFAULT_TEMP                 25000
#define ADC_MIN_TEMP                     (-40000)
#define ADC_MAX_TEMP                     125000

/* in order to resolve divisor less than zero */
#define PRORATE_OF_INIT                       1000

enum adc_channel_info {
	ADC_SENSOR_NAME,
	ADC_CHANNEL,
	ADC_IC_NAME,
	ADC_IC_CHANNEL,
	ADC_TOTAL,
};

enum adc_op_user {
	ADC_OP_USER_BEGIN = 0,
	ADC_OP_USER_ADC7828 = ADC_OP_USER_BEGIN, /* for ext adc */
	ADC_OP_USER_LSADC, /* for soc adc */
	ADC_OP_USER_END,
};

struct adc_device_info {
	struct platform_device *pdev;
	struct device *dev;
};

struct adc_info {
	char sensor_name[SENSOR_NAME_NUM];
	unsigned char adc_channel;
	char adc_ic_name[SENSOR_NAME_NUM];
	unsigned char adc_ic_channel;
};

struct adc_ops {
	const char *type_name;
	int (*adc_get_volt)(unsigned int adc_channel);
};

/* power interface info */
struct adc_ops_device_info {
	struct device *dev;
	unsigned int total_ops;
	const struct adc_ops *ops[ADC_OP_USER_END];
};

int adc_get_temp(unsigned int adc_channel, int *temp);
int adc_ops_register(const struct adc_ops *ops);

#endif