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Commit 0a068993 authored by Louis Yu's avatar Louis Yu Committed by Zhang Rui
Browse files

thermal: mediatek: extend calibration data for mt2712 chip 



This patch adds support for mt2712 chip thermal calibration data
and calculation, and is compatible with the existing chips.

Signed-off-by: default avatarLouis Yu <louis.yu@mediatek.com>
Reviewed-by: default avatarDawei Chien <dawei.chien@mediatek.com>
Signed-off-by: default avatarZhang Rui <rui.zhang@intel.com>
parent 6cf7f002

drivers/thermal/mtk_thermal.c

+11 −5
Original line number Diff line number Diff line
@@ -112,10 +112,10 @@ 


/*

 * Layout of the fuses providing the calibration data

 * These macros could be used for both MT8173, MT2701, and MT2712.

 * MT8173 has five sensors and need five VTS calibration data,

 * and MT2701 has three sensors and need three VTS calibration data,

 * and MT2712 has four sensors and need four VTS calibration data.

 * These macros could be used for MT8173, MT2701, and MT2712.

 * MT8173 has 5 sensors and needs 5 VTS calibration data.

 * MT2701 has 3 sensors and needs 3 VTS calibration data.

 * MT2712 has 4 sensors and needs 4 VTS calibration data.

 */

#define MT8173_CALIB_BUF0_VALID		BIT(0)

#define MT8173_CALIB_BUF1_ADC_GE(x)	(((x) >> 22) & 0x3ff)
@@ -126,6 +126,8 @@ 
#define MT8173_CALIB_BUF2_VTS_TSABB(x)	(((x) >> 14) & 0x1ff)

#define MT8173_CALIB_BUF0_DEGC_CALI(x)	(((x) >> 1) & 0x3f)

#define MT8173_CALIB_BUF0_O_SLOPE(x)	(((x) >> 26) & 0x3f)

#define MT8173_CALIB_BUF0_O_SLOPE_SIGN(x)	(((x) >> 7) & 0x1)

#define MT8173_CALIB_BUF1_ID(x)	(((x) >> 9) & 0x1)



/* MT2701 thermal sensors */

#define MT2701_TS1	0
@@ -609,6 +611,10 @@ static int mtk_thermal_get_calibration_data(struct device *dev, 
		mt->vts[MT8173_TS4] = MT8173_CALIB_BUF2_VTS_TS4(buf[2]);

		mt->vts[MT8173_TSABB] = MT8173_CALIB_BUF2_VTS_TSABB(buf[2]);

		mt->degc_cali = MT8173_CALIB_BUF0_DEGC_CALI(buf[0]);

		if (MT8173_CALIB_BUF1_ID(buf[1]) &

		    MT8173_CALIB_BUF0_O_SLOPE_SIGN(buf[0]))

			mt->o_slope = -MT8173_CALIB_BUF0_O_SLOPE(buf[0]);

		else

			mt->o_slope = MT8173_CALIB_BUF0_O_SLOPE(buf[0]);

	} else {

		dev_info(dev, "Device not calibrated, using default calibration values\n");