drivers/thermal/qcom/tsens.h - third_party/kernel - Git at Google

 /* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (c) 2015, The Linux Foundation. All rights reserved.
  */

 #ifndef __QCOM_TSENS_H__
 #define __QCOM_TSENS_H__

 #define ONE_PT_CALIB		0x1
 #define ONE_PT_CALIB2		0x2
 #define TWO_PT_CALIB		0x3
 #define CAL_DEGC_PT1		30
 #define CAL_DEGC_PT2		120
 #define SLOPE_FACTOR		1000
 #define SLOPE_DEFAULT		3200


 #include <linux/thermal.h>
 #include <linux/regmap.h>
 #include <linux/slab.h>

 struct tsens_priv;

 enum tsens_ver {
 	VER_0_1 = 0,
 	VER_1_X,
 	VER_2_X,
 };

 /**
  * struct tsens_sensor - data for each sensor connected to the tsens device
  * @priv: tsens device instance that this sensor is connected to
  * @tzd: pointer to the thermal zone that this sensor is in
  * @offset: offset of temperature adjustment curve
  * @id: Sensor ID
  * @hw_id: HW ID can be used in case of platform-specific IDs
  * @slope: slope of temperature adjustment curve
  * @status: 8960-specific variable to track 8960 and 8660 status register offset
  */
 struct tsens_sensor {
 	struct tsens_priv		*priv;
 	struct thermal_zone_device	*tzd;
 	int				offset;
 	unsigned int			id;
 	unsigned int			hw_id;
 	int				slope;
 	u32				status;
 };

 /**
  * struct tsens_ops - operations as supported by the tsens device
  * @init: Function to initialize the tsens device
  * @calibrate: Function to calibrate the tsens device
  * @get_temp: Function which returns the temp in millidegC
  * @enable: Function to enable (clocks/power) tsens device
  * @disable: Function to disable the tsens device
  * @suspend: Function to suspend the tsens device
  * @resume: Function to resume the tsens device
  * @get_trend: Function to get the thermal/temp trend
  */
 struct tsens_ops {
 	/* mandatory callbacks */
 	int (*init)(struct tsens_priv *priv);
 	int (*calibrate)(struct tsens_priv *priv);
 	int (*get_temp)(struct tsens_priv *priv, int i, int *temp);
 	/* optional callbacks */
 	int (*enable)(struct tsens_priv *priv, int i);
 	void (*disable)(struct tsens_priv *priv);
 	int (*suspend)(struct tsens_priv *priv);
 	int (*resume)(struct tsens_priv *priv);
 	int (*get_trend)(struct tsens_priv *priv, int i, enum thermal_trend *trend);
 };

 #define REG_FIELD_FOR_EACH_SENSOR11(_name, _offset, _startbit, _stopbit) \
 	[_name##_##0]  = REG_FIELD(_offset,      _startbit, _stopbit),	\
 	[_name##_##1]  = REG_FIELD(_offset +  4, _startbit, _stopbit), \
 	[_name##_##2]  = REG_FIELD(_offset +  8, _startbit, _stopbit), \
 	[_name##_##3]  = REG_FIELD(_offset + 12, _startbit, _stopbit), \
 	[_name##_##4]  = REG_FIELD(_offset + 16, _startbit, _stopbit), \
 	[_name##_##5]  = REG_FIELD(_offset + 20, _startbit, _stopbit), \
 	[_name##_##6]  = REG_FIELD(_offset + 24, _startbit, _stopbit), \
 	[_name##_##7]  = REG_FIELD(_offset + 28, _startbit, _stopbit), \
 	[_name##_##8]  = REG_FIELD(_offset + 32, _startbit, _stopbit), \
 	[_name##_##9]  = REG_FIELD(_offset + 36, _startbit, _stopbit), \
 	[_name##_##10] = REG_FIELD(_offset + 40, _startbit, _stopbit)

 #define REG_FIELD_FOR_EACH_SENSOR16(_name, _offset, _startbit, _stopbit) \
 	[_name##_##0]  = REG_FIELD(_offset,      _startbit, _stopbit),	\
 	[_name##_##1]  = REG_FIELD(_offset +  4, _startbit, _stopbit), \
 	[_name##_##2]  = REG_FIELD(_offset +  8, _startbit, _stopbit), \
 	[_name##_##3]  = REG_FIELD(_offset + 12, _startbit, _stopbit), \
 	[_name##_##4]  = REG_FIELD(_offset + 16, _startbit, _stopbit), \
 	[_name##_##5]  = REG_FIELD(_offset + 20, _startbit, _stopbit), \
 	[_name##_##6]  = REG_FIELD(_offset + 24, _startbit, _stopbit), \
 	[_name##_##7]  = REG_FIELD(_offset + 28, _startbit, _stopbit), \
 	[_name##_##8]  = REG_FIELD(_offset + 32, _startbit, _stopbit), \
 	[_name##_##9]  = REG_FIELD(_offset + 36, _startbit, _stopbit), \
 	[_name##_##10] = REG_FIELD(_offset + 40, _startbit, _stopbit), \
 	[_name##_##11] = REG_FIELD(_offset + 44, _startbit, _stopbit), \
 	[_name##_##12] = REG_FIELD(_offset + 48, _startbit, _stopbit), \
 	[_name##_##13] = REG_FIELD(_offset + 52, _startbit, _stopbit), \
 	[_name##_##14] = REG_FIELD(_offset + 56, _startbit, _stopbit), \
 	[_name##_##15] = REG_FIELD(_offset + 60, _startbit, _stopbit)

 /* reg_field IDs to use as an index into an array */
 enum regfield_ids {
 	/* ----- SROT ------ */
 	/* HW_VER */
 	VER_MAJOR = 0,
 	VER_MINOR,
 	VER_STEP,
 	/* CTRL_OFFSET */
 	TSENS_EN =  3,
 	TSENS_SW_RST,
 	SENSOR_EN,
 	CODE_OR_TEMP,

 	/* ----- TM ------ */
 	/* STATUS */
 	LAST_TEMP_0 = 7,	/* Last temperature reading */
 	LAST_TEMP_1,
 	LAST_TEMP_2,
 	LAST_TEMP_3,
 	LAST_TEMP_4,
 	LAST_TEMP_5,
 	LAST_TEMP_6,
 	LAST_TEMP_7,
 	LAST_TEMP_8,
 	LAST_TEMP_9,
 	LAST_TEMP_10,
 	LAST_TEMP_11,
 	LAST_TEMP_12,
 	LAST_TEMP_13,
 	LAST_TEMP_14,
 	LAST_TEMP_15,
 	VALID_0 = 23,		/* VALID reading or not */
 	VALID_1,
 	VALID_2,
 	VALID_3,
 	VALID_4,
 	VALID_5,
 	VALID_6,
 	VALID_7,
 	VALID_8,
 	VALID_9,
 	VALID_10,
 	VALID_11,
 	VALID_12,
 	VALID_13,
 	VALID_14,
 	VALID_15,
 	MIN_STATUS_0,		/* MIN threshold violated */
 	MIN_STATUS_1,
 	MIN_STATUS_2,
 	MIN_STATUS_3,
 	MIN_STATUS_4,
 	MIN_STATUS_5,
 	MIN_STATUS_6,
 	MIN_STATUS_7,
 	MIN_STATUS_8,
 	MIN_STATUS_9,
 	MIN_STATUS_10,
 	MIN_STATUS_11,
 	MIN_STATUS_12,
 	MIN_STATUS_13,
 	MIN_STATUS_14,
 	MIN_STATUS_15,
 	MAX_STATUS_0,		/* MAX threshold violated */
 	MAX_STATUS_1,
 	MAX_STATUS_2,
 	MAX_STATUS_3,
 	MAX_STATUS_4,
 	MAX_STATUS_5,
 	MAX_STATUS_6,
 	MAX_STATUS_7,
 	MAX_STATUS_8,
 	MAX_STATUS_9,
 	MAX_STATUS_10,
 	MAX_STATUS_11,
 	MAX_STATUS_12,
 	MAX_STATUS_13,
 	MAX_STATUS_14,
 	MAX_STATUS_15,
 	LOWER_STATUS_0,	/* LOWER threshold violated */
 	LOWER_STATUS_1,
 	LOWER_STATUS_2,
 	LOWER_STATUS_3,
 	LOWER_STATUS_4,
 	LOWER_STATUS_5,
 	LOWER_STATUS_6,
 	LOWER_STATUS_7,
 	LOWER_STATUS_8,
 	LOWER_STATUS_9,
 	LOWER_STATUS_10,
 	LOWER_STATUS_11,
 	LOWER_STATUS_12,
 	LOWER_STATUS_13,
 	LOWER_STATUS_14,
 	LOWER_STATUS_15,
 	UPPER_STATUS_0,	/* UPPER threshold violated */
 	UPPER_STATUS_1,
 	UPPER_STATUS_2,
 	UPPER_STATUS_3,
 	UPPER_STATUS_4,
 	UPPER_STATUS_5,
 	UPPER_STATUS_6,
 	UPPER_STATUS_7,
 	UPPER_STATUS_8,
 	UPPER_STATUS_9,
 	UPPER_STATUS_10,
 	UPPER_STATUS_11,
 	UPPER_STATUS_12,
 	UPPER_STATUS_13,
 	UPPER_STATUS_14,
 	UPPER_STATUS_15,
 	CRITICAL_STATUS_0,	/* CRITICAL threshold violated */
 	CRITICAL_STATUS_1,
 	CRITICAL_STATUS_2,
 	CRITICAL_STATUS_3,
 	CRITICAL_STATUS_4,
 	CRITICAL_STATUS_5,
 	CRITICAL_STATUS_6,
 	CRITICAL_STATUS_7,
 	CRITICAL_STATUS_8,
 	CRITICAL_STATUS_9,
 	CRITICAL_STATUS_10,
 	CRITICAL_STATUS_11,
 	CRITICAL_STATUS_12,
 	CRITICAL_STATUS_13,
 	CRITICAL_STATUS_14,
 	CRITICAL_STATUS_15,
 	/* TRDY */
 	TRDY,
 	/* INTERRUPT ENABLE */
 	INT_EN,	/* Pre-V1, V1.x */
 	LOW_INT_EN,	/* V2.x */
 	UP_INT_EN,	/* V2.x */
 	CRIT_INT_EN,	/* V2.x */

 	/* Keep last */
 	MAX_REGFIELDS
 };

 /**
  * struct tsens_features - Features supported by the IP
  * @ver_major: Major number of IP version
  * @crit_int: does the IP support critical interrupts?
  * @adc:      do the sensors only output adc code (instead of temperature)?
  * @srot_split: does the IP neatly splits the register space into SROT and TM,
  *              with SROT only being available to secure boot firmware?
  * @max_sensors: maximum sensors supported by this version of the IP
  */
 struct tsens_features {
 	unsigned int ver_major;
 	unsigned int crit_int:1;
 	unsigned int adc:1;
 	unsigned int srot_split:1;
 	unsigned int max_sensors;
 };

 /**
  * struct tsens_plat_data - tsens compile-time platform data
  * @num_sensors: Number of sensors supported by platform
  * @ops: operations the tsens instance supports
  * @hw_ids: Subset of sensors ids supported by platform, if not the first n
  * @feat: features of the IP
  * @fields: bitfield locations
  */
 struct tsens_plat_data {
 	const u32		num_sensors;
 	const struct tsens_ops	*ops;
 	unsigned int		*hw_ids;
 	const struct tsens_features	*feat;
 	const struct reg_field		*fields;
 };

 /**
  * struct tsens_context - Registers to be saved/restored across a context loss
  */
 struct tsens_context {
 	int	threshold;
 	int	control;
 };

 /**
  * struct tsens_priv - private data for each instance of the tsens IP
  * @dev: pointer to struct device
  * @num_sensors: number of sensors enabled on this device
  * @tm_map: pointer to TM register address space
  * @srot_map: pointer to SROT register address space
  * @tm_offset: deal with old device trees that don't address TM and SROT
  *             address space separately
  * @rf: array of regmap_fields used to store value of the field
  * @ctx: registers to be saved and restored during suspend/resume
  * @feat: features of the IP
  * @fields: bitfield locations
  * @ops: pointer to list of callbacks supported by this device
  * @sensor: list of sensors attached to this device
  */
 struct tsens_priv {
 	struct device			*dev;
 	u32				num_sensors;
 	struct regmap			*tm_map;
 	struct regmap			*srot_map;
 	u32				tm_offset;
 	struct regmap_field		*rf[MAX_REGFIELDS];
 	struct tsens_context		ctx;
 	const struct tsens_features	*feat;
 	const struct reg_field		*fields;
 	const struct tsens_ops		*ops;
 	struct tsens_sensor		sensor[0];
 };

 char *qfprom_read(struct device *dev, const char *cname);
 void compute_intercept_slope(struct tsens_priv *priv, u32 *pt1, u32 *pt2, u32 mode);
 int init_common(struct tsens_priv *priv);
 int get_temp_tsens_valid(struct tsens_priv *priv, int i, int *temp);
 int get_temp_common(struct tsens_priv *priv, int i, int *temp);

 /* TSENS target */
 extern const struct tsens_plat_data data_8960;

 /* TSENS v0.1 targets */
 extern const struct tsens_plat_data data_8916, data_8974;

 /* TSENS v1 targets */
 extern const struct tsens_plat_data data_tsens_v1;

 /* TSENS v2 targets */
 extern const struct tsens_plat_data data_8996, data_tsens_v2;

 #endif /* __QCOM_TSENS_H__ */
	/* SPDX-License-Identifier: GPL-2.0 */
	/*
	* Copyright (c) 2015, The Linux Foundation. All rights reserved.
	*/

	#ifndef __QCOM_TSENS_H__
	#define __QCOM_TSENS_H__

	#define ONE_PT_CALIB 0x1
	#define ONE_PT_CALIB2 0x2
	#define TWO_PT_CALIB 0x3
	#define CAL_DEGC_PT1 30
	#define CAL_DEGC_PT2 120
	#define SLOPE_FACTOR 1000
	#define SLOPE_DEFAULT 3200


	#include <linux/thermal.h>
	#include <linux/regmap.h>
	#include <linux/slab.h>

	struct tsens_priv;

	enum tsens_ver {
	VER_0_1 = 0,
	VER_1_X,
	VER_2_X,
	};

	/**
	* struct tsens_sensor - data for each sensor connected to the tsens device
	* @priv: tsens device instance that this sensor is connected to
	* @tzd: pointer to the thermal zone that this sensor is in
	* @offset: offset of temperature adjustment curve
	* @id: Sensor ID
	* @hw_id: HW ID can be used in case of platform-specific IDs
	* @slope: slope of temperature adjustment curve
	* @status: 8960-specific variable to track 8960 and 8660 status register offset
	*/
	struct tsens_sensor {
	struct tsens_priv *priv;
	struct thermal_zone_device *tzd;
	int offset;
	unsigned int id;
	unsigned int hw_id;
	int slope;
	u32 status;
	};

	/**
	* struct tsens_ops - operations as supported by the tsens device
	* @init: Function to initialize the tsens device
	* @calibrate: Function to calibrate the tsens device
	* @get_temp: Function which returns the temp in millidegC
	* @enable: Function to enable (clocks/power) tsens device
	* @disable: Function to disable the tsens device
	* @suspend: Function to suspend the tsens device
	* @resume: Function to resume the tsens device
	* @get_trend: Function to get the thermal/temp trend
	*/
	struct tsens_ops {
	/* mandatory callbacks */
	int (init)(struct tsens_priv priv);
	int (calibrate)(struct tsens_priv priv);
	int (get_temp)(struct tsens_priv priv, int i, int *temp);
	/* optional callbacks */
	int (enable)(struct tsens_priv priv, int i);
	void (disable)(struct tsens_priv priv);
	int (suspend)(struct tsens_priv priv);
	int (resume)(struct tsens_priv priv);
	int (get_trend)(struct tsens_priv priv, int i, enum thermal_trend *trend);
	};

	#define REG_FIELD_FOR_EACH_SENSOR11(_name, _offset, _startbit, _stopbit) \
	[_name##_##0] = REG_FIELD(_offset, _startbit, _stopbit), \
	[_name##_##1] = REG_FIELD(_offset + 4, _startbit, _stopbit), \
	[_name##_##2] = REG_FIELD(_offset + 8, _startbit, _stopbit), \
	[_name##_##3] = REG_FIELD(_offset + 12, _startbit, _stopbit), \
	[_name##_##4] = REG_FIELD(_offset + 16, _startbit, _stopbit), \
	[_name##_##5] = REG_FIELD(_offset + 20, _startbit, _stopbit), \
	[_name##_##6] = REG_FIELD(_offset + 24, _startbit, _stopbit), \
	[_name##_##7] = REG_FIELD(_offset + 28, _startbit, _stopbit), \
	[_name##_##8] = REG_FIELD(_offset + 32, _startbit, _stopbit), \
	[_name##_##9] = REG_FIELD(_offset + 36, _startbit, _stopbit), \
	[_name##_##10] = REG_FIELD(_offset + 40, _startbit, _stopbit)

	#define REG_FIELD_FOR_EACH_SENSOR16(_name, _offset, _startbit, _stopbit) \
	[_name##_##0] = REG_FIELD(_offset, _startbit, _stopbit), \
	[_name##_##1] = REG_FIELD(_offset + 4, _startbit, _stopbit), \
	[_name##_##2] = REG_FIELD(_offset + 8, _startbit, _stopbit), \
	[_name##_##3] = REG_FIELD(_offset + 12, _startbit, _stopbit), \
	[_name##_##4] = REG_FIELD(_offset + 16, _startbit, _stopbit), \
	[_name##_##5] = REG_FIELD(_offset + 20, _startbit, _stopbit), \
	[_name##_##6] = REG_FIELD(_offset + 24, _startbit, _stopbit), \
	[_name##_##7] = REG_FIELD(_offset + 28, _startbit, _stopbit), \
	[_name##_##8] = REG_FIELD(_offset + 32, _startbit, _stopbit), \
	[_name##_##9] = REG_FIELD(_offset + 36, _startbit, _stopbit), \
	[_name##_##10] = REG_FIELD(_offset + 40, _startbit, _stopbit), \
	[_name##_##11] = REG_FIELD(_offset + 44, _startbit, _stopbit), \
	[_name##_##12] = REG_FIELD(_offset + 48, _startbit, _stopbit), \
	[_name##_##13] = REG_FIELD(_offset + 52, _startbit, _stopbit), \
	[_name##_##14] = REG_FIELD(_offset + 56, _startbit, _stopbit), \
	[_name##_##15] = REG_FIELD(_offset + 60, _startbit, _stopbit)

	/* reg_field IDs to use as an index into an array */
	enum regfield_ids {
	/* ----- SROT ------ */
	/* HW_VER */
	VER_MAJOR = 0,
	VER_MINOR,
	VER_STEP,
	/* CTRL_OFFSET */
	TSENS_EN = 3,
	TSENS_SW_RST,
	SENSOR_EN,
	CODE_OR_TEMP,

	/* ----- TM ------ */
	/* STATUS */
	LAST_TEMP_0 = 7, /* Last temperature reading */
	LAST_TEMP_1,
	LAST_TEMP_2,
	LAST_TEMP_3,
	LAST_TEMP_4,
	LAST_TEMP_5,
	LAST_TEMP_6,
	LAST_TEMP_7,
	LAST_TEMP_8,
	LAST_TEMP_9,
	LAST_TEMP_10,
	LAST_TEMP_11,
	LAST_TEMP_12,
	LAST_TEMP_13,
	LAST_TEMP_14,
	LAST_TEMP_15,
	VALID_0 = 23, /* VALID reading or not */
	VALID_1,
	VALID_2,
	VALID_3,
	VALID_4,
	VALID_5,
	VALID_6,
	VALID_7,
	VALID_8,
	VALID_9,
	VALID_10,
	VALID_11,
	VALID_12,
	VALID_13,
	VALID_14,
	VALID_15,
	MIN_STATUS_0, /* MIN threshold violated */
	MIN_STATUS_1,
	MIN_STATUS_2,
	MIN_STATUS_3,
	MIN_STATUS_4,
	MIN_STATUS_5,
	MIN_STATUS_6,
	MIN_STATUS_7,
	MIN_STATUS_8,
	MIN_STATUS_9,
	MIN_STATUS_10,
	MIN_STATUS_11,
	MIN_STATUS_12,
	MIN_STATUS_13,
	MIN_STATUS_14,
	MIN_STATUS_15,
	MAX_STATUS_0, /* MAX threshold violated */
	MAX_STATUS_1,
	MAX_STATUS_2,
	MAX_STATUS_3,
	MAX_STATUS_4,
	MAX_STATUS_5,
	MAX_STATUS_6,
	MAX_STATUS_7,
	MAX_STATUS_8,
	MAX_STATUS_9,
	MAX_STATUS_10,
	MAX_STATUS_11,
	MAX_STATUS_12,
	MAX_STATUS_13,
	MAX_STATUS_14,
	MAX_STATUS_15,
	LOWER_STATUS_0, /* LOWER threshold violated */
	LOWER_STATUS_1,
	LOWER_STATUS_2,
	LOWER_STATUS_3,
	LOWER_STATUS_4,
	LOWER_STATUS_5,
	LOWER_STATUS_6,
	LOWER_STATUS_7,
	LOWER_STATUS_8,
	LOWER_STATUS_9,
	LOWER_STATUS_10,
	LOWER_STATUS_11,
	LOWER_STATUS_12,
	LOWER_STATUS_13,
	LOWER_STATUS_14,
	LOWER_STATUS_15,
	UPPER_STATUS_0, /* UPPER threshold violated */
	UPPER_STATUS_1,
	UPPER_STATUS_2,
	UPPER_STATUS_3,
	UPPER_STATUS_4,
	UPPER_STATUS_5,
	UPPER_STATUS_6,
	UPPER_STATUS_7,
	UPPER_STATUS_8,
	UPPER_STATUS_9,
	UPPER_STATUS_10,
	UPPER_STATUS_11,
	UPPER_STATUS_12,
	UPPER_STATUS_13,
	UPPER_STATUS_14,
	UPPER_STATUS_15,
	CRITICAL_STATUS_0, /* CRITICAL threshold violated */
	CRITICAL_STATUS_1,
	CRITICAL_STATUS_2,
	CRITICAL_STATUS_3,
	CRITICAL_STATUS_4,
	CRITICAL_STATUS_5,
	CRITICAL_STATUS_6,
	CRITICAL_STATUS_7,
	CRITICAL_STATUS_8,
	CRITICAL_STATUS_9,
	CRITICAL_STATUS_10,
	CRITICAL_STATUS_11,
	CRITICAL_STATUS_12,
	CRITICAL_STATUS_13,
	CRITICAL_STATUS_14,
	CRITICAL_STATUS_15,
	/* TRDY */
	TRDY,
	/* INTERRUPT ENABLE */
	INT_EN, /* Pre-V1, V1.x */
	LOW_INT_EN, /* V2.x */
	UP_INT_EN, /* V2.x */
	CRIT_INT_EN, /* V2.x */

	/* Keep last */
	MAX_REGFIELDS
	};

	/**
	* struct tsens_features - Features supported by the IP
	* @ver_major: Major number of IP version
	* @crit_int: does the IP support critical interrupts?
	* @adc: do the sensors only output adc code (instead of temperature)?
	* @srot_split: does the IP neatly splits the register space into SROT and TM,
	* with SROT only being available to secure boot firmware?
	* @max_sensors: maximum sensors supported by this version of the IP
	*/
	struct tsens_features {
	unsigned int ver_major;
	unsigned int crit_int:1;
	unsigned int adc:1;
	unsigned int srot_split:1;
	unsigned int max_sensors;
	};

	/**
	* struct tsens_plat_data - tsens compile-time platform data
	* @num_sensors: Number of sensors supported by platform
	* @ops: operations the tsens instance supports
	* @hw_ids: Subset of sensors ids supported by platform, if not the first n
	* @feat: features of the IP
	* @fields: bitfield locations
	*/
	struct tsens_plat_data {
	const u32 num_sensors;
	const struct tsens_ops *ops;
	unsigned int *hw_ids;
	const struct tsens_features *feat;
	const struct reg_field *fields;
	};

	/**
	* struct tsens_context - Registers to be saved/restored across a context loss
	*/
	struct tsens_context {
	int threshold;
	int control;
	};

	/**
	* struct tsens_priv - private data for each instance of the tsens IP
	* @dev: pointer to struct device
	* @num_sensors: number of sensors enabled on this device
	* @tm_map: pointer to TM register address space
	* @srot_map: pointer to SROT register address space
	* @tm_offset: deal with old device trees that don't address TM and SROT
	* address space separately
	* @rf: array of regmap_fields used to store value of the field
	* @ctx: registers to be saved and restored during suspend/resume
	* @feat: features of the IP
	* @fields: bitfield locations
	* @ops: pointer to list of callbacks supported by this device
	* @sensor: list of sensors attached to this device
	*/
	struct tsens_priv {
	struct device *dev;
	u32 num_sensors;
	struct regmap *tm_map;
	struct regmap *srot_map;
	u32 tm_offset;
	struct regmap_field *rf[MAX_REGFIELDS];
	struct tsens_context ctx;
	const struct tsens_features *feat;
	const struct reg_field *fields;
	const struct tsens_ops *ops;
	struct tsens_sensor sensor[0];
	};

	char qfprom_read(struct device dev, const char *cname);
	void compute_intercept_slope(struct tsens_priv priv, u32 pt1, u32 *pt2, u32 mode);
	int init_common(struct tsens_priv *priv);
	int get_temp_tsens_valid(struct tsens_priv priv, int i, int temp);
	int get_temp_common(struct tsens_priv priv, int i, int temp);

	/* TSENS target */
	extern const struct tsens_plat_data data_8960;

	/* TSENS v0.1 targets */
	extern const struct tsens_plat_data data_8916, data_8974;

	/* TSENS v1 targets */
	extern const struct tsens_plat_data data_tsens_v1;

	/* TSENS v2 targets */
	extern const struct tsens_plat_data data_8996, data_tsens_v2;

	#endif /* __QCOM_TSENS_H__ */