From: Matthias Brugger <matthias.bgg@gmail.com> To: michael.kao@mediatek.com, =Zhang Rui <rui.zhang@intel.com>, =Eduardo Valentin <edubezval@gmail.com>, =Daniel Lezcano <daniel.lezcano@linaro.org>, =Rob Herring <robh+dt@kernel.org>, =Mark Rutland <mark.rutland@arm.com> Cc: devicetree@vger.kernel.org, srv_heupstream@mediatek.com, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 3/7] thermal: mediatek: add calibration item Date: Mon, 4 Feb 2019 18:31:41 +0100 Message-ID: <dcc04c1e-eb7d-024e-abc8-7b75504947c2@gmail.com> (raw) In-Reply-To: <1549006693-11659-4-git-send-email-michael.kao@mediatek.com> On 01/02/2019 08:38, michael.kao@mediatek.com wrote: > From: Michael Kao <michael.kao@mediatek.com> > > Add calibration item in thermal_data to support > the project with different calibration coefficient. > > Signed-off-by: Michael Kao <michael.kao@mediatek.com> > --- > drivers/thermal/mtk_thermal.c | 19 ++++++++++++++++++- > 1 file changed, 18 insertions(+), 1 deletion(-) > > diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c > index 07f8ad7..45c6587 100644 > --- a/drivers/thermal/mtk_thermal.c > +++ b/drivers/thermal/mtk_thermal.c > @@ -105,6 +105,9 @@ > /* The number of sensing points per bank */ > #define MT8173_NUM_SENSORS_PER_ZONE 4 > > +/* The calibration coefficient of sensor */ > +#define MT8173_CALIBRATION 165 > + Calibration value is the same for all SoCs (including mt8183), we can define it once and use it in all mtk_thermal structs. Regards, Matthias > /* > * Layout of the fuses providing the calibration data > * These macros could be used for MT8173, MT2701, and MT2712. > @@ -147,6 +150,9 @@ enum { > /* The number of sensing points per bank */ > #define MT2701_NUM_SENSORS_PER_ZONE 3 > > +/* The calibration coefficient of sensor */ > +#define MT2701_CALIBRATION 165 > + > /* MT2712 thermal sensors */ > #define MT2712_TS1 0 > #define MT2712_TS2 1 > @@ -162,12 +168,18 @@ enum { > /* The number of sensing points per bank */ > #define MT2712_NUM_SENSORS_PER_ZONE 4 > > +/* The calibration coefficient of sensor */ > +#define MT2712_CALIBRATION 165 > + > #define MT7622_TEMP_AUXADC_CHANNEL 11 > #define MT7622_NUM_SENSORS 1 > #define MT7622_NUM_ZONES 1 > #define MT7622_NUM_SENSORS_PER_ZONE 1 > #define MT7622_TS1 0 > > +/* The calibration coefficient of sensor */ > +#define MT7622_CALIBRATION 165 > + > struct mtk_thermal; > > struct thermal_bank_cfg { > @@ -188,6 +200,7 @@ struct mtk_thermal_data { > const int *sensor_mux_values; > const int *msr; > const int *adcpnp; > + const int cali_val; > struct thermal_bank_cfg bank_data[]; > }; > > @@ -295,6 +308,7 @@ struct mtk_thermal { > .num_banks = MT8173_NUM_ZONES, > .num_sensors = MT8173_NUM_SENSORS, > .vts_index = mt8173_vts_index, > + .cali_val = MT8173_CALIBRATION, > .bank_data = { > { > .num_sensors = 2, > @@ -330,6 +344,7 @@ struct mtk_thermal { > .num_banks = 1, > .num_sensors = MT2701_NUM_SENSORS, > .vts_index = mt2701_vts_index, > + .cali_val = MT2701_CALIBRATION, > .bank_data = { > { > .num_sensors = 3, > @@ -356,6 +371,7 @@ struct mtk_thermal { > .num_banks = 1, > .num_sensors = MT2712_NUM_SENSORS, > .vts_index = mt2712_vts_index, > + .cali_val = MT2712_CALIBRATION, > .bank_data = { > { > .num_sensors = 4, > @@ -376,6 +392,7 @@ struct mtk_thermal { > .num_banks = MT7622_NUM_ZONES, > .num_sensors = MT7622_NUM_SENSORS, > .vts_index = mt7622_vts_index, > + .cali_val = MT7622_CALIBRATION, > .bank_data = { > { > .num_sensors = 1, > @@ -402,7 +419,7 @@ static int raw_to_mcelsius(struct mtk_thermal *mt, int sensno, s32 raw) > raw &= 0xfff; > > tmp = 203450520 << 3; > - tmp /= 165 + mt->o_slope; > + tmp /= mt->conf->cali_val + mt->o_slope; > tmp /= 10000 + mt->adc_ge; > tmp *= raw - mt->vts[sensno] - 3350; > tmp >>= 3; > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply index Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-02-01 7:38 [PATCH 0/7] Add Mediatek thermal dirver for mt8183 michael.kao 2019-02-01 7:38 ` [PATCH 1/7] thermal: mediatek: fix register index error michael.kao 2019-02-04 17:24 ` Matthias Brugger 2019-02-12 8:20 ` Michael Kao 2019-02-01 7:38 ` [PATCH 2/7] thermal: mediatek: add common index of vts settings michael.kao 2019-02-01 7:38 ` [PATCH 3/7] thermal: mediatek: add calibration item michael.kao 2019-02-04 17:31 ` Matthias Brugger [this message] 2019-02-06 0:48 ` Eduardo Valentin 2019-02-01 7:38 ` [PATCH 4/7] thermal: mediatek: add thermal controller offset michael.kao 2019-02-06 0:53 ` Eduardo Valentin 2019-02-12 9:55 ` Michael Kao 2019-02-01 7:38 ` [PATCH 5/7] thermal: mediatek: add flag for bank selection michael.kao 2019-02-01 7:38 ` [PATCH 6/7] dt-bindings: thermal: add binding document for mt8183 thermal controller michael.kao 2019-02-01 7:38 ` [PATCH 7/7] thermal: mediatek: add support for MT8183 michael.kao
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