Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 9acc9f54 authored by Dipen Parmar's avatar Dipen Parmar
Browse files

thermal: tsens: Add 8936 fuse map 



Added support to the thermal monitoring to read the
tsens calibration values from the fuse bits for the
8936 target.

Change-Id: I5555d5c31cdc687398aa40f72c1d36b843c3557c
Signed-off-by: default avatarDipen Parmar <dipenp@codeaurora.org>
parent 9aa23df6

drivers/thermal/msm8974-tsens.c

+233 −0
Original line number Diff line number Diff line
@@ -90,6 +90,7 @@ 
#define TSENS_9900_EEPROM_BACKUP_REGION(n)	((n) + 0x450)

#define TSENS_9900_CALIB_ADDR_RANGE	4



#define TSENS_8936_EEPROM(n)			((n) + 0xa0)



/* TSENS calibration Mask data */

#define TSENS_BASE1_MASK		0xff
@@ -330,6 +331,58 @@ 
#define TSENS3_8916_POINT2_SHIFT	10

#define TSENS4_8916_POINT2_SHIFT	20



#define TSENS_8936_BASE0_MASK		0x00ff0000

#define TSENS_8936_BASE1_MASK		0xff000000



#define TSENS0_8936_POINT1_MASK		0x000001f8

#define TSENS1_8936_POINT1_MASK		0x001f8000

#define TSENS2_8936_POINT1_MASK_0_4	0xf8000000

#define TSENS2_8936_POINT1_MASK_5	0x00000001

#define TSENS3_8936_POINT1_MASK		0x00001f80

#define TSENS4_8936_POINT1_MASK		0x01f80000

#define TSENS5_8936_POINT1_MASK		0x0000003f

#define TSENS6_8936_POINT1_MASK		0x0003f000

#define TSENS7_8936_POINT1_MASK		0x3f000000

#define TSENS8_8936_POINT1_MASK		0x000003f0



#define TSENS0_8936_POINT2_MASK		0x00007e00

#define TSENS1_8936_POINT2_MASK		0x07e00000

#define TSENS2_8936_POINT2_MASK		0x0000007e

#define TSENS3_8936_POINT2_MASK		0x0007e000

#define TSENS4_8936_POINT2_MASK		0x7e000000

#define TSENS5_8936_POINT2_MASK		0x00000fc0

#define TSENS6_8936_POINT2_MASK		0x00fc0000

#define TSENS7_8936_POINT2_MASK_0_1	0xc0000000

#define TSENS7_8936_POINT2_MASK_2_5	0x0000000f

#define TSENS8_8936_POINT2_MASK		0x0000fc00



#define TSENS_8936_TSENS_CAL_SEL	0x7

#define TSENS_8936_CAL_SEL_SHIFT	0

#define TSENS_8936_BASE1_SHIFT		24

#define TSENS_8936_BASE0_SHIFT		16



#define TSENS0_8936_POINT1_SHIFT	3

#define TSENS1_8936_POINT1_SHIFT	15

#define TSENS2_8936_POINT1_SHIFT_0_4	27

#define TSENS2_8936_POINT1_SHIFT_5	5

#define TSENS3_8936_POINT1_SHIFT	7

#define TSENS4_8936_POINT1_SHIFT	19

#define TSENS5_8936_POINT1_SHIFT	0

#define TSENS6_8936_POINT1_SHIFT	12

#define TSENS7_8936_POINT1_SHIFT	24

#define TSENS8_8936_POINT1_SHIFT	4



#define TSENS0_8936_POINT2_SHIFT	9

#define TSENS1_8936_POINT2_SHIFT	21

#define TSENS2_8936_POINT2_SHIFT	1

#define TSENS3_8936_POINT2_SHIFT	13

#define TSENS4_8936_POINT2_SHIFT	25

#define TSENS5_8936_POINT2_SHIFT	6

#define TSENS6_8936_POINT2_SHIFT	18

#define TSENS7_8936_POINT2_SHIFT_0_1	30

#define TSENS7_8936_POINT2_SHIFT_2_5	2

#define TSENS8_8936_POINT2_SHIFT	10



enum tsens_calib_fuse_map_type {

	TSENS_CALIB_FUSE_MAP_8974 = 0,

	TSENS_CALIB_FUSE_MAP_8X26,
@@ -337,6 +390,7 @@ enum tsens_calib_fuse_map_type { 
	TSENS_CALIB_FUSE_MAP_9900,

	TSENS_CALIB_FUSE_MAP_9630,

	TSENS_CALIB_FUSE_MAP_8916,

	TSENS_CALIB_FUSE_MAP_8936,

	TSENS_CALIB_FUSE_MAP_NUM,

};
@@ -894,6 +948,180 @@ static void tsens_hw_init(void) 
		TSENS_UPPER_LOWER_INTERRUPT_CTRL(tmdev->tsens_addr));

}



static int tsens_calib_8936_sensors(void)

{

	int i, tsens_base0_data = 0, tsens_base1_data = 0;

	int tsens0_point1 = 0, tsens0_point2 = 0;

	int tsens1_point1 = 0, tsens1_point2 = 0;

	int tsens2_point1 = 0, tsens2_point2 = 0;

	int tsens3_point1 = 0, tsens3_point2 = 0;

	int tsens4_point1 = 0, tsens4_point2 = 0;

	int tsens5_point1 = 0, tsens5_point2 = 0;

	int tsens6_point1 = 0, tsens6_point2 = 0;

	int tsens7_point1 = 0, tsens7_point2 = 0;

	int tsens8_point1 = 0, tsens8_point2 = 0;

	int tsens_calibration_mode = 0, temp = 0;

	uint32_t calib_data[4] = {0, 0, 0, 0};

	uint32_t calib_tsens_point1_data[9], calib_tsens_point2_data[9];



	if (!tmdev->calibration_less_mode) {



		calib_data[0] = readl_relaxed(

			TSENS_8936_EEPROM(tmdev->tsens_calib_addr) + 0x30);

		calib_data[1] = readl_relaxed(

			(TSENS_8936_EEPROM(tmdev->tsens_calib_addr) + 0x34));

		calib_data[2] = readl_relaxed(

			(TSENS_8936_EEPROM(tmdev->tsens_calib_addr)));

		calib_data[3] = readl_relaxed(

			(TSENS_8936_EEPROM(tmdev->tsens_calib_addr) + 0x4));



		tsens_calibration_mode =

			(calib_data[0] & TSENS_8936_TSENS_CAL_SEL);



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

	}



	if ((tsens_calibration_mode == TSENS_TWO_POINT_CALIB) ||

		(tsens_calibration_mode == TSENS_ONE_POINT_CALIB_OPTION_2)) {

		tsens_base0_data = (calib_data[3] & TSENS_8936_BASE0_MASK)>>

			TSENS_8936_BASE0_SHIFT;

		tsens0_point1 = (calib_data[0] & TSENS0_8936_POINT1_MASK) >>

			TSENS0_8936_POINT1_SHIFT;

		tsens1_point1 = (calib_data[0] & TSENS1_8936_POINT1_MASK) >>

			TSENS1_8936_POINT1_SHIFT;

		tsens2_point1 = (calib_data[0] & TSENS2_8936_POINT1_MASK_0_4)

			>> TSENS2_8936_POINT1_SHIFT_0_4;

		temp = (calib_data[1] & TSENS2_8936_POINT1_MASK_5) <<

			TSENS2_8936_POINT1_SHIFT_5;

		tsens2_point1 |= temp;

		tsens3_point1 = (calib_data[1] & TSENS3_8936_POINT1_MASK) >>

			TSENS3_8936_POINT1_SHIFT;

		tsens4_point1 = (calib_data[1] & TSENS4_8936_POINT1_MASK) >>

			TSENS4_8936_POINT1_SHIFT;

		tsens5_point1 = (calib_data[2] & TSENS5_8936_POINT1_MASK) >>

			TSENS5_8936_POINT1_SHIFT;

		tsens6_point1 = (calib_data[2] & TSENS6_8936_POINT1_MASK) >>

			TSENS6_8936_POINT1_SHIFT;

		tsens7_point1 = (calib_data[2] & TSENS7_8936_POINT1_MASK) >>

			TSENS7_8936_POINT1_SHIFT;

		tsens8_point1 = (calib_data[3] & TSENS8_8936_POINT1_MASK) >>

			TSENS8_8936_POINT1_SHIFT;

	}



	if (tsens_calibration_mode == TSENS_TWO_POINT_CALIB) {

		tsens_base1_data = (calib_data[3] & TSENS_8936_BASE1_MASK) >>

			TSENS_8936_BASE1_SHIFT;

		tsens0_point2 = (calib_data[0] & TSENS0_8936_POINT2_MASK) >>

			TSENS0_8936_POINT2_SHIFT;

		tsens1_point2 = (calib_data[0] & TSENS1_8936_POINT2_MASK) >>

			TSENS1_8936_POINT2_SHIFT;

		tsens2_point2 = (calib_data[1] & TSENS2_8936_POINT2_MASK) >>

			TSENS2_8936_POINT2_SHIFT;

		tsens3_point2 = (calib_data[1] & TSENS3_8936_POINT2_MASK) >>

			TSENS3_8936_POINT2_SHIFT;

		tsens4_point2 = (calib_data[1] & TSENS4_8936_POINT2_MASK) >>

			TSENS4_8936_POINT2_SHIFT;

		tsens5_point2 = (calib_data[2] & TSENS5_8936_POINT2_MASK) >>

			TSENS5_8936_POINT2_SHIFT;

		tsens6_point2 = (calib_data[2] & TSENS6_8936_POINT2_MASK) >>

			TSENS6_8936_POINT2_SHIFT;

		tsens7_point2 = (calib_data[2] & TSENS7_8936_POINT2_MASK_0_1)

			>> TSENS7_8936_POINT2_SHIFT_0_1;

		temp = (calib_data[3] & TSENS7_8936_POINT2_MASK_2_5) <<

			TSENS7_8936_POINT2_SHIFT_2_5;

		tsens7_point2 |= temp;



		tsens8_point2 = (calib_data[3] & TSENS8_8936_POINT2_MASK) >>

			TSENS8_8936_POINT2_SHIFT;

	}



	if (tsens_calibration_mode == 0) {

		pr_debug("TSENS is calibrationless mode\n");

		for (i = 0; i < tmdev->tsens_num_sensor; i++)

			calib_tsens_point2_data[i] = 780;

		calib_tsens_point1_data[0] = 500;

		calib_tsens_point1_data[1] = 500;

		calib_tsens_point1_data[2] = 500;

		calib_tsens_point1_data[3] = 500;

		calib_tsens_point1_data[4] = 500;

		calib_tsens_point1_data[5] = 500;

		calib_tsens_point1_data[6] = 500;

		calib_tsens_point1_data[7] = 500;

		calib_tsens_point1_data[8] = 500;

	}



	if ((tsens_calibration_mode == TSENS_ONE_POINT_CALIB_OPTION_2) ||

			(tsens_calibration_mode == TSENS_TWO_POINT_CALIB)) {

		calib_tsens_point1_data[0] =

			(((tsens_base0_data) + tsens0_point1) << 2);

		calib_tsens_point1_data[1] =

			(((tsens_base0_data) + tsens1_point1) << 2);

		calib_tsens_point1_data[2] =

			(((tsens_base0_data) + tsens2_point1) << 2);

		calib_tsens_point1_data[3] =

			(((tsens_base0_data) + tsens3_point1) << 2);

		calib_tsens_point1_data[4] =

			(((tsens_base0_data) + tsens4_point1) << 2);

		calib_tsens_point1_data[5] =

			(((tsens_base0_data) + tsens5_point1) << 2);

		calib_tsens_point1_data[6] =

			(((tsens_base0_data) + tsens6_point1) << 2);

		calib_tsens_point1_data[7] =

			(((tsens_base0_data) + tsens7_point1) << 2);

		calib_tsens_point1_data[8] =

			(((tsens_base0_data) + tsens8_point1) << 2);

	}



	if (tsens_calibration_mode == TSENS_TWO_POINT_CALIB) {

		pr_debug("two point calibration calculation\n");

		calib_tsens_point2_data[0] =

			((tsens_base1_data + tsens0_point2) << 2);

		calib_tsens_point2_data[1] =

			((tsens_base1_data + tsens1_point2) << 2);

		calib_tsens_point2_data[2] =

			((tsens_base1_data + tsens2_point2) << 2);

		calib_tsens_point2_data[3] =

			((tsens_base1_data + tsens3_point2) << 2);

		calib_tsens_point2_data[4] =

			((tsens_base1_data + tsens4_point2) << 2);

		calib_tsens_point2_data[5] =

			((tsens_base1_data + tsens5_point2) << 2);

		calib_tsens_point2_data[6] =

			((tsens_base1_data + tsens6_point2) << 2);

		calib_tsens_point2_data[7] =

			((tsens_base1_data + tsens7_point2) << 2);

		calib_tsens_point2_data[8] =

			((tsens_base1_data + tsens8_point2) << 2);

	}



	for (i = 0; i < tmdev->tsens_num_sensor; i++) {

		int32_t num = 0, den = 0;

		tmdev->sensor[i].calib_data_point2 = calib_tsens_point2_data[i];

		tmdev->sensor[i].calib_data_point1 = calib_tsens_point1_data[i];

		pr_debug("sensor:%d - calib_data_point1:0x%x, calib_data_point2:0x%x\n",

				i, tmdev->sensor[i].calib_data_point1,

				tmdev->sensor[i].calib_data_point2);

		if (tsens_calibration_mode == TSENS_TWO_POINT_CALIB) {

			/* slope (m) = adc_code2 - adc_code1 (y2 - y1)/

			 * temp_120_degc - temp_30_degc (x2 - x1) */

			num = tmdev->sensor[i].calib_data_point2 -

				tmdev->sensor[i].calib_data_point1;

			num *= tmdev->tsens_factor;

			den = TSENS_CAL_DEGC_POINT2 - TSENS_CAL_DEGC_POINT1;

			tmdev->sensor[i].slope_mul_tsens_factor = num/den;

		}

		tmdev->sensor[i].offset = (tmdev->sensor[i].calib_data_point1 *

				tmdev->tsens_factor) - (TSENS_CAL_DEGC_POINT1 *

				tmdev->sensor[i].slope_mul_tsens_factor);

		pr_debug("offset:%d and slope:%d\n", tmdev->sensor[i].offset,

				tmdev->sensor[i].slope_mul_tsens_factor);

		INIT_WORK(&tmdev->sensor[i].work, notify_uspace_tsens_fn);

		tmdev->prev_reading_avail = false;

	}



	return 0;

}



static int tsens_calib_8916_sensors(void)

{

	int i, tsens_base0_data = 0, tsens_base1_data = 0;
@@ -1994,6 +2222,8 @@ static int tsens_calib_sensors(void) 
		rc = tsens_calib_9630_sensors();

	else if (tmdev->calib_mode == TSENS_CALIB_FUSE_MAP_8916)

		rc = tsens_calib_8916_sensors();

	else if (tmdev->calib_mode == TSENS_CALIB_FUSE_MAP_8936)

		rc = tsens_calib_8936_sensors();

	else {

		pr_err("TSENS Calib fuse not found\n");

		rc = -ENODEV;
@@ -2021,6 +2251,9 @@ static struct of_device_id tsens_match[] = { 
	{	.compatible = "qcom,msm8916-tsens",

		.data = (void *)TSENS_CALIB_FUSE_MAP_8916,

	},

	{	.compatible = "qcom,msm8936-tsens",

		.data = (void *)TSENS_CALIB_FUSE_MAP_8936,

	},

	{}

};