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110 lines
4.0 KiB
110 lines
4.0 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* Copyright (c) 2015, The Linux Foundation. All rights reserved. |
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* Copyright (c) 2018, Linaro Limited |
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*/ |
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#include <linux/bitops.h> |
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#include <linux/regmap.h> |
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#include "tsens.h" |
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/* ----- SROT ------ */ |
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#define SROT_HW_VER_OFF 0x0000 |
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#define SROT_CTRL_OFF 0x0004 |
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/* ----- TM ------ */ |
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#define TM_INT_EN_OFF 0x0004 |
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#define TM_UPPER_LOWER_INT_STATUS_OFF 0x0008 |
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#define TM_UPPER_LOWER_INT_CLEAR_OFF 0x000c |
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#define TM_UPPER_LOWER_INT_MASK_OFF 0x0010 |
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#define TM_CRITICAL_INT_STATUS_OFF 0x0014 |
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#define TM_CRITICAL_INT_CLEAR_OFF 0x0018 |
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#define TM_CRITICAL_INT_MASK_OFF 0x001c |
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#define TM_Sn_UPPER_LOWER_THRESHOLD_OFF 0x0020 |
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#define TM_Sn_CRITICAL_THRESHOLD_OFF 0x0060 |
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#define TM_Sn_STATUS_OFF 0x00a0 |
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#define TM_TRDY_OFF 0x00e4 |
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#define TM_WDOG_LOG_OFF 0x013c |
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/* v2.x: 8996, 8998, sdm845 */ |
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static struct tsens_features tsens_v2_feat = { |
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.ver_major = VER_2_X, |
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.crit_int = 1, |
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.adc = 0, |
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.srot_split = 1, |
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.max_sensors = 16, |
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}; |
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static const struct reg_field tsens_v2_regfields[MAX_REGFIELDS] = { |
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/* ----- SROT ------ */ |
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/* VERSION */ |
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[VER_MAJOR] = REG_FIELD(SROT_HW_VER_OFF, 28, 31), |
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[VER_MINOR] = REG_FIELD(SROT_HW_VER_OFF, 16, 27), |
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[VER_STEP] = REG_FIELD(SROT_HW_VER_OFF, 0, 15), |
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/* CTRL_OFF */ |
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[TSENS_EN] = REG_FIELD(SROT_CTRL_OFF, 0, 0), |
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[TSENS_SW_RST] = REG_FIELD(SROT_CTRL_OFF, 1, 1), |
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/* ----- TM ------ */ |
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/* INTERRUPT ENABLE */ |
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/* v2 has separate enables for UPPER/LOWER/CRITICAL interrupts */ |
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[INT_EN] = REG_FIELD(TM_INT_EN_OFF, 0, 2), |
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/* TEMPERATURE THRESHOLDS */ |
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REG_FIELD_FOR_EACH_SENSOR16(LOW_THRESH, TM_Sn_UPPER_LOWER_THRESHOLD_OFF, 0, 11), |
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REG_FIELD_FOR_EACH_SENSOR16(UP_THRESH, TM_Sn_UPPER_LOWER_THRESHOLD_OFF, 12, 23), |
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REG_FIELD_FOR_EACH_SENSOR16(CRIT_THRESH, TM_Sn_CRITICAL_THRESHOLD_OFF, 0, 11), |
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/* INTERRUPTS [CLEAR/STATUS/MASK] */ |
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REG_FIELD_SPLIT_BITS_0_15(LOW_INT_STATUS, TM_UPPER_LOWER_INT_STATUS_OFF), |
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REG_FIELD_SPLIT_BITS_0_15(LOW_INT_CLEAR, TM_UPPER_LOWER_INT_CLEAR_OFF), |
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REG_FIELD_SPLIT_BITS_0_15(LOW_INT_MASK, TM_UPPER_LOWER_INT_MASK_OFF), |
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REG_FIELD_SPLIT_BITS_16_31(UP_INT_STATUS, TM_UPPER_LOWER_INT_STATUS_OFF), |
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REG_FIELD_SPLIT_BITS_16_31(UP_INT_CLEAR, TM_UPPER_LOWER_INT_CLEAR_OFF), |
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REG_FIELD_SPLIT_BITS_16_31(UP_INT_MASK, TM_UPPER_LOWER_INT_MASK_OFF), |
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REG_FIELD_SPLIT_BITS_0_15(CRIT_INT_STATUS, TM_CRITICAL_INT_STATUS_OFF), |
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REG_FIELD_SPLIT_BITS_0_15(CRIT_INT_CLEAR, TM_CRITICAL_INT_CLEAR_OFF), |
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REG_FIELD_SPLIT_BITS_0_15(CRIT_INT_MASK, TM_CRITICAL_INT_MASK_OFF), |
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/* WATCHDOG on v2.3 or later */ |
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[WDOG_BARK_STATUS] = REG_FIELD(TM_CRITICAL_INT_STATUS_OFF, 31, 31), |
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[WDOG_BARK_CLEAR] = REG_FIELD(TM_CRITICAL_INT_CLEAR_OFF, 31, 31), |
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[WDOG_BARK_MASK] = REG_FIELD(TM_CRITICAL_INT_MASK_OFF, 31, 31), |
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[CC_MON_STATUS] = REG_FIELD(TM_CRITICAL_INT_STATUS_OFF, 30, 30), |
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[CC_MON_CLEAR] = REG_FIELD(TM_CRITICAL_INT_CLEAR_OFF, 30, 30), |
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[CC_MON_MASK] = REG_FIELD(TM_CRITICAL_INT_MASK_OFF, 30, 30), |
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[WDOG_BARK_COUNT] = REG_FIELD(TM_WDOG_LOG_OFF, 0, 7), |
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/* Sn_STATUS */ |
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REG_FIELD_FOR_EACH_SENSOR16(LAST_TEMP, TM_Sn_STATUS_OFF, 0, 11), |
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REG_FIELD_FOR_EACH_SENSOR16(VALID, TM_Sn_STATUS_OFF, 21, 21), |
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/* xxx_STATUS bits: 1 == threshold violated */ |
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REG_FIELD_FOR_EACH_SENSOR16(MIN_STATUS, TM_Sn_STATUS_OFF, 16, 16), |
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REG_FIELD_FOR_EACH_SENSOR16(LOWER_STATUS, TM_Sn_STATUS_OFF, 17, 17), |
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REG_FIELD_FOR_EACH_SENSOR16(UPPER_STATUS, TM_Sn_STATUS_OFF, 18, 18), |
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REG_FIELD_FOR_EACH_SENSOR16(CRITICAL_STATUS, TM_Sn_STATUS_OFF, 19, 19), |
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REG_FIELD_FOR_EACH_SENSOR16(MAX_STATUS, TM_Sn_STATUS_OFF, 20, 20), |
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/* TRDY: 1=ready, 0=in progress */ |
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[TRDY] = REG_FIELD(TM_TRDY_OFF, 0, 0), |
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}; |
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static const struct tsens_ops ops_generic_v2 = { |
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.init = init_common, |
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.get_temp = get_temp_tsens_valid, |
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}; |
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struct tsens_plat_data data_tsens_v2 = { |
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.ops = &ops_generic_v2, |
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.feat = &tsens_v2_feat, |
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.fields = tsens_v2_regfields, |
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}; |
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/* Kept around for backward compatibility with old msm8996.dtsi */ |
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struct tsens_plat_data data_8996 = { |
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.num_sensors = 13, |
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.ops = &ops_generic_v2, |
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.feat = &tsens_v2_feat, |
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.fields = tsens_v2_regfields, |
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};
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