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Commit 5b70c956 authored by Sagar Chormale's avatar Sagar Chormale Committed by Gerrit - the friendly Code Review server
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thermal: tsens: Add support for mdm9607 



Add fuse register values and calibration function for mdm9607.

Also add target specific offset variables: "tsens_srot_offset",
"tsens_sn_offset", "tsens_trdy_offset" in structure: "tsens_data",
to generalize the driver.

Change-Id: I6dceee7ebfda9160426f36b87302ab46f535dbaf
Signed-off-by: default avatarSagar Chormale <schormal@codeaurora.org>
Signed-off-by: default avatarSivasri Kumar Vanka <sivasri@codeaurora.org>
parent 2c840c5f

drivers/thermal/msm-tsens.c

+3 −0
Original line number Diff line number Diff line
@@ -96,6 +96,9 @@ static const struct of_device_id tsens_table[] = { 
	{	.compatible = "qcom,qcs405-tsens",

		.data = &data_tsens14xx_405,

	},

	{	.compatible = "qcom,mdm9607-tsens",

		.data = &data_tsens14xx_9607,

	},

	{}

};

MODULE_DEVICE_TABLE(of, tsens_table);

drivers/thermal/tsens.h

+17 −1
Original line number Diff line number Diff line
@@ -26,6 +26,17 @@ 
#define TSENS_MAX_SENSORS			16

#define TSENS_NUM_SENSORS_8937		11

#define TSENS_NUM_SENSORS_405		10

#define TSENS_NUM_SENSORS_9607		5

#define TSENS_SROT_OFFSET_8937		0x4

#define TSENS_SROT_OFFSET_405		0x4

#define TSENS_SROT_OFFSET_9607		0x0

#define TSENS_SN_STATUS_ADDR_8937	0x44

#define TSENS_TRDY_ADDR_8937		0x84

#define TSENS_SN_STATUS_ADDR_405	0x44

#define TSENS_TRDY_ADDR_405		0x84

#define TSENS_SN_STATUS_ADDR_9607	0x30

#define TSENS_TRDY_ADDR_9607		0x5c



#define TSENS_CONTROLLER_ID(n)			(n)

#define TSENS_CTRL_ADDR(n)			(n)

#define TSENS_TM_SN_STATUS(n)			((n) + 0xa0)
@@ -184,6 +195,9 @@ struct tsens_data { 
	bool				valid_status_check;

	u32				ver_major;

	u32				ver_minor;

	const u32			tsens_srot_offset;

	const u32			tsens_sn_offset;

	const u32			tsens_trdy_offset;

};



struct tsens_mtc_sysfs {
@@ -218,10 +232,12 @@ struct tsens_device { 
};



extern const struct tsens_data data_tsens2xxx, data_tsens23xx, data_tsens24xx;

extern const struct tsens_data data_tsens14xx, data_tsens14xx_405;

extern const struct tsens_data data_tsens14xx, data_tsens14xx_405,

						data_tsens14xx_9607;

extern struct list_head tsens_device_list;



extern int calibrate_8937(struct tsens_device *tmdev);

extern int calibrate_405(struct tsens_device *tmdev);

extern int calibrate_9607(struct tsens_device *tmdev);



#endif /* __QCOM_TSENS_H__ */

drivers/thermal/tsens1xxx.c

+41 −8
Original line number Diff line number Diff line 
/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.

/* Copyright (c) 2012-2019, The Linux Foundation. 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 version 2 and
@@ -41,10 +41,11 @@ 


#define TSENS_TRDY_MASK			BIT(0)



#define TSENS_SN_STATUS_ADDR(n)	((n) + 0x44)

#define TSENS_SN_STATUS_ADDR(n)		(n)

#define TSENS_SN_STATUS_VALID		BIT(14)

#define TSENS_SN_STATUS_VALID_MASK	0x4000

#define TSENS_TRDY_ADDR(n)		((n) + 0x84)

#define TSENS_TRDY_ADDR(n)		(n)





#define TSENS_CTRL_ADDR(n)		(n)

#define TSENS_EN				BIT(0)
@@ -103,8 +104,10 @@ static int tsens1xxx_get_temp(struct tsens_sensor *sensor, int *temp) 


	tmdev = sensor->tmdev;



	trdy_addr = TSENS_TRDY_ADDR(tmdev->tsens_tm_addr);

	sensor_addr = TSENS_SN_STATUS_ADDR(tmdev->tsens_tm_addr);

	trdy_addr = TSENS_TRDY_ADDR(tmdev->tsens_tm_addr +

		tmdev->ctrl_data->tsens_trdy_offset);

	sensor_addr = TSENS_SN_STATUS_ADDR(tmdev->tsens_tm_addr +

		tmdev->ctrl_data->tsens_sn_offset);



	code = readl_relaxed(sensor_addr +

			(sensor->hw_id << TSENS_STATUS_ADDR_OFFSET));
@@ -324,7 +327,8 @@ static irqreturn_t tsens_irq_thread(int irq, void *data) 
	void __iomem *sensor_status_ctrl_addr;

	u32 rc = 0, addr_offset;



	sensor_status_addr = TSENS_SN_STATUS_ADDR(tm->tsens_tm_addr);

	sensor_status_addr = TSENS_SN_STATUS_ADDR(tm->tsens_tm_addr +

				tm->ctrl_data->tsens_sn_offset);

	sensor_status_ctrl_addr =

		TSENS_S0_UPPER_LOWER_STATUS_CTRL_ADDR(tm->tsens_tm_addr);
@@ -419,7 +423,8 @@ static int tsens1xxx_hw_sensor_en(struct tsens_device *tmdev, 
	void __iomem *srot_addr;

	unsigned int srot_val, sensor_en;



	srot_addr = TSENS_CTRL_ADDR(tmdev->tsens_srot_addr + 0x4);

	srot_addr = TSENS_CTRL_ADDR(tmdev->tsens_srot_addr +

			tmdev->ctrl_data->tsens_srot_offset);

	srot_val = readl_relaxed(srot_addr);

	srot_val = TSENS_CTRL_SENSOR_EN_MASK(srot_val);
@@ -433,7 +438,8 @@ static int tsens1xxx_hw_init(struct tsens_device *tmdev) 
	void __iomem *srot_addr;

	unsigned int srot_val;



	srot_addr = TSENS_CTRL_ADDR(tmdev->tsens_srot_addr + 0x4);

	srot_addr = TSENS_CTRL_ADDR(tmdev->tsens_srot_addr +

			tmdev->ctrl_data->tsens_srot_offset);

	srot_val = readl_relaxed(srot_addr);

	if (!(srot_val & TSENS_EN)) {

		pr_err("TSENS device is not enabled\n");
@@ -508,6 +514,9 @@ const struct tsens_data data_tsens14xx = { 
	.mtc = true,

	.ver_major = 1,

	.ver_minor = 4,

	.tsens_srot_offset = TSENS_SROT_OFFSET_8937,

	.tsens_sn_offset = TSENS_SN_STATUS_ADDR_8937,

	.tsens_trdy_offset = TSENS_TRDY_ADDR_8937,

};



static const struct tsens_ops ops_tsens1xxx_405 = {
@@ -527,4 +536,28 @@ const struct tsens_data data_tsens14xx_405 = { 
	.mtc = true,

	.ver_major = 1,

	.ver_minor = 4,

	.tsens_srot_offset = TSENS_SROT_OFFSET_405,

	.tsens_sn_offset = TSENS_SN_STATUS_ADDR_405,

	.tsens_trdy_offset = TSENS_TRDY_ADDR_405,

};



static const struct tsens_ops ops_tsens1xxx_9607 = {

	.hw_init = tsens1xxx_hw_init,

	.get_temp = tsens1xxx_get_temp,

	.set_trips = tsens1xxx_set_trip_temp,

	.interrupts_reg = tsens1xxx_register_interrupts,

	.sensor_en = tsens1xxx_hw_sensor_en,

	.calibrate = calibrate_9607,

	.dbg = tsens2xxx_dbg,

};



const struct tsens_data data_tsens14xx_9607 = {

	.num_sensors = TSENS_NUM_SENSORS_9607,

	.ops = &ops_tsens1xxx_9607,

	.valid_status_check = true,

	.ver_major = 1,

	.ver_minor = 4,

	.tsens_srot_offset = TSENS_SROT_OFFSET_9607,

	.tsens_sn_offset = TSENS_SN_STATUS_ADDR_9607,

	.tsens_trdy_offset = TSENS_TRDY_ADDR_9607,

};

drivers/thermal/tsens_calib.c

+82 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.

/* Copyright (c) 2012-2019, The Linux Foundation. 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 version 2 and
@@ -125,6 +125,37 @@ 


#define CAL_SEL_MASK_405			0x7



/* eeprom layout data for 9607 */

#define BASE0_MASK_9607				0x000000ff

#define BASE1_MASK_9607				0x000ff000

#define BASE1_SHIFT_9607			12



#define S0_P1_MASK_9607				0x00003f00

#define S1_P1_MASK_9607				0x03f00000

#define S2_P1_MASK_9607				0x0000003f

#define S3_P1_MASK_9607				0x0003f000

#define S4_P1_MASK_9607				0x0000003f



#define S0_P2_MASK_9607				0x000fc000

#define S1_P2_MASK_9607				0xfc000000

#define S2_P2_MASK_9607				0x00000fc0

#define S3_P2_MASK_9607				0x00fc0000

#define S4_P2_MASK_9607				0x00000fc0



#define S0_P1_SHIFT_9607			8

#define S1_P1_SHIFT_9607			20

#define S3_P1_SHIFT_9607			12



#define S0_P2_SHIFT_9607			14

#define S1_P2_SHIFT_9607			26

#define S2_P2_SHIFT_9607			6

#define S3_P2_SHIFT_9607			18

#define S4_P2_SHIFT_9607			6



#define CAL_SEL_MASK_9607			0x00700000

#define CAL_SEL_SHIFT_9607			20





#define CAL_DEGC_PT1				30

#define CAL_DEGC_PT2				120
@@ -301,3 +332,53 @@ int calibrate_405(struct tsens_device *tmdev) 


	return 0;

}



int calibrate_9607(struct tsens_device *tmdev)

{

	int base0 = 0, base1 = 0, i;

	u32 p1[TSENS_NUM_SENSORS_9607], p2[TSENS_NUM_SENSORS_9607];

	int mode = 0;

	u32 qfprom_cdata[3] = { 0, 0, 0};



	qfprom_cdata[0] = readl_relaxed(tmdev->tsens_calib_addr + 0x228);

	qfprom_cdata[1] = readl_relaxed(tmdev->tsens_calib_addr + 0x22C);

	qfprom_cdata[2] = readl_relaxed(tmdev->tsens_calib_addr + 0x230);



	mode = (qfprom_cdata[2] & CAL_SEL_MASK_9607) >> CAL_SEL_SHIFT_9607;

	pr_debug("calibration mode is %d\n", mode);



	switch (mode) {

	case TWO_PT_CALIB:

		base1 = (qfprom_cdata[2] & BASE1_MASK_9607) >> BASE1_SHIFT_9607;

		p2[0] = (qfprom_cdata[0] & S0_P2_MASK_9607) >> S0_P2_SHIFT_9607;

		p2[1] = (qfprom_cdata[0] & S1_P2_MASK_9607) >> S1_P2_SHIFT_9607;

		p2[2] = (qfprom_cdata[1] & S2_P2_MASK_9607) >> S2_P2_SHIFT_9607;

		p2[3] = (qfprom_cdata[1] & S3_P2_MASK_9607) >> S3_P2_SHIFT_9607;

		p2[4] = (qfprom_cdata[2] & S4_P2_MASK_9607) >> S4_P2_SHIFT_9607;



		for (i = 0; i < TSENS_NUM_SENSORS_9607; i++)

			p2[i] = ((base1 + p2[i]) << 2);

		/* Fall through */

	case ONE_PT_CALIB2:

		base0 = (qfprom_cdata[0] & BASE0_MASK_9607);

		p1[0] = (qfprom_cdata[0] & S0_P1_MASK_9607) >> S0_P1_SHIFT_9607;

		p1[1] = (qfprom_cdata[0] & S1_P1_MASK_9607) >> S1_P1_SHIFT_9607;

		p1[2] = (qfprom_cdata[1] & S2_P1_MASK_9607);

		p1[3] = (qfprom_cdata[1] & S3_P1_MASK_9607) >> S3_P1_SHIFT_9607;

		p1[4] = (qfprom_cdata[2] & S4_P1_MASK_9607);



		for (i = 0; i < TSENS_NUM_SENSORS_9607; i++)

			p1[i] = (((base0) + p1[i]) << 2);

		break;

	default:

		for (i = 0; i < TSENS_NUM_SENSORS_9607; i++) {

			p1[i] = 500;

			p2[i] = 780;

		}

		break;

	}



	compute_intercept_slope(tmdev, p1, p2, mode);



	return 0;

}