111 lines
4.0 KiB
C
111 lines
4.0 KiB
C
// 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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