From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [PATCH 3/7] thermal: mediatek: add calibration item Date: Fri, 1 Feb 2019 15:38:09 +0800 Message-ID: <1549006693-11659-4-git-send-email-michael.kao@mediatek.com> References: <1549006693-11659-1-git-send-email-michael.kao@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1549006693-11659-1-git-send-email-michael.kao@mediatek.com> Sender: linux-kernel-owner@vger.kernel.org To: =Zhang Rui , =Eduardo Valentin , =Daniel Lezcano , =Rob Herring , =Mark Rutland , =Matthias Brugger Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com, Michael Kao List-Id: devicetree@vger.kernel.org From: Michael Kao Add calibration item in thermal_data to support the project with different calibration coefficient. Signed-off-by: Michael Kao --- 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 + /* * 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; -- 1.9.1