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1// SPDX-License-Identifier: GPL-2.02/*3 * Copyright (c) 2015, The Linux Foundation. All rights reserved.4 * Copyright (c) 2018, Linaro Limited5 */6 7#include <linux/bitops.h>8#include <linux/regmap.h>9#include "tsens.h"10 11/* ----- SROT ------ */12#define SROT_HW_VER_OFF 0x000013#define SROT_CTRL_OFF 0x000414 15/* ----- TM ------ */16#define TM_INT_EN_OFF 0x000417#define TM_UPPER_LOWER_INT_STATUS_OFF 0x000818#define TM_UPPER_LOWER_INT_CLEAR_OFF 0x000c19#define TM_UPPER_LOWER_INT_MASK_OFF 0x001020#define TM_CRITICAL_INT_STATUS_OFF 0x001421#define TM_CRITICAL_INT_CLEAR_OFF 0x001822#define TM_CRITICAL_INT_MASK_OFF 0x001c23#define TM_Sn_UPPER_LOWER_THRESHOLD_OFF 0x002024#define TM_Sn_CRITICAL_THRESHOLD_OFF 0x006025#define TM_Sn_STATUS_OFF 0x00a026#define TM_TRDY_OFF 0x00e427#define TM_WDOG_LOG_OFF 0x013c28 29/* v2.x: 8996, 8998, sdm845 */30 31static struct tsens_features tsens_v2_feat = {32 .ver_major = VER_2_X,33 .crit_int = 1,34 .combo_int = 0,35 .adc = 0,36 .srot_split = 1,37 .max_sensors = 16,38 .trip_min_temp = -40000,39 .trip_max_temp = 120000,40};41 42static struct tsens_features ipq8074_feat = {43 .ver_major = VER_2_X,44 .crit_int = 1,45 .combo_int = 1,46 .adc = 0,47 .srot_split = 1,48 .max_sensors = 16,49 .trip_min_temp = 0,50 .trip_max_temp = 204000,51};52 53static const struct reg_field tsens_v2_regfields[MAX_REGFIELDS] = {54 /* ----- SROT ------ */55 /* VERSION */56 [VER_MAJOR] = REG_FIELD(SROT_HW_VER_OFF, 28, 31),57 [VER_MINOR] = REG_FIELD(SROT_HW_VER_OFF, 16, 27),58 [VER_STEP] = REG_FIELD(SROT_HW_VER_OFF, 0, 15),59 /* CTRL_OFF */60 [TSENS_EN] = REG_FIELD(SROT_CTRL_OFF, 0, 0),61 [TSENS_SW_RST] = REG_FIELD(SROT_CTRL_OFF, 1, 1),62 63 /* ----- TM ------ */64 /* INTERRUPT ENABLE */65 /* v2 has separate enables for UPPER/LOWER/CRITICAL interrupts */66 [INT_EN] = REG_FIELD(TM_INT_EN_OFF, 0, 2),67 68 /* TEMPERATURE THRESHOLDS */69 REG_FIELD_FOR_EACH_SENSOR16(LOW_THRESH, TM_Sn_UPPER_LOWER_THRESHOLD_OFF, 0, 11),70 REG_FIELD_FOR_EACH_SENSOR16(UP_THRESH, TM_Sn_UPPER_LOWER_THRESHOLD_OFF, 12, 23),71 REG_FIELD_FOR_EACH_SENSOR16(CRIT_THRESH, TM_Sn_CRITICAL_THRESHOLD_OFF, 0, 11),72 73 /* INTERRUPTS [CLEAR/STATUS/MASK] */74 REG_FIELD_SPLIT_BITS_0_15(LOW_INT_STATUS, TM_UPPER_LOWER_INT_STATUS_OFF),75 REG_FIELD_SPLIT_BITS_0_15(LOW_INT_CLEAR, TM_UPPER_LOWER_INT_CLEAR_OFF),76 REG_FIELD_SPLIT_BITS_0_15(LOW_INT_MASK, TM_UPPER_LOWER_INT_MASK_OFF),77 REG_FIELD_SPLIT_BITS_16_31(UP_INT_STATUS, TM_UPPER_LOWER_INT_STATUS_OFF),78 REG_FIELD_SPLIT_BITS_16_31(UP_INT_CLEAR, TM_UPPER_LOWER_INT_CLEAR_OFF),79 REG_FIELD_SPLIT_BITS_16_31(UP_INT_MASK, TM_UPPER_LOWER_INT_MASK_OFF),80 REG_FIELD_SPLIT_BITS_0_15(CRIT_INT_STATUS, TM_CRITICAL_INT_STATUS_OFF),81 REG_FIELD_SPLIT_BITS_0_15(CRIT_INT_CLEAR, TM_CRITICAL_INT_CLEAR_OFF),82 REG_FIELD_SPLIT_BITS_0_15(CRIT_INT_MASK, TM_CRITICAL_INT_MASK_OFF),83 84 /* WATCHDOG on v2.3 or later */85 [WDOG_BARK_STATUS] = REG_FIELD(TM_CRITICAL_INT_STATUS_OFF, 31, 31),86 [WDOG_BARK_CLEAR] = REG_FIELD(TM_CRITICAL_INT_CLEAR_OFF, 31, 31),87 [WDOG_BARK_MASK] = REG_FIELD(TM_CRITICAL_INT_MASK_OFF, 31, 31),88 [CC_MON_STATUS] = REG_FIELD(TM_CRITICAL_INT_STATUS_OFF, 30, 30),89 [CC_MON_CLEAR] = REG_FIELD(TM_CRITICAL_INT_CLEAR_OFF, 30, 30),90 [CC_MON_MASK] = REG_FIELD(TM_CRITICAL_INT_MASK_OFF, 30, 30),91 [WDOG_BARK_COUNT] = REG_FIELD(TM_WDOG_LOG_OFF, 0, 7),92 93 /* Sn_STATUS */94 REG_FIELD_FOR_EACH_SENSOR16(LAST_TEMP, TM_Sn_STATUS_OFF, 0, 11),95 REG_FIELD_FOR_EACH_SENSOR16(VALID, TM_Sn_STATUS_OFF, 21, 21),96 /* xxx_STATUS bits: 1 == threshold violated */97 REG_FIELD_FOR_EACH_SENSOR16(MIN_STATUS, TM_Sn_STATUS_OFF, 16, 16),98 REG_FIELD_FOR_EACH_SENSOR16(LOWER_STATUS, TM_Sn_STATUS_OFF, 17, 17),99 REG_FIELD_FOR_EACH_SENSOR16(UPPER_STATUS, TM_Sn_STATUS_OFF, 18, 18),100 REG_FIELD_FOR_EACH_SENSOR16(CRITICAL_STATUS, TM_Sn_STATUS_OFF, 19, 19),101 REG_FIELD_FOR_EACH_SENSOR16(MAX_STATUS, TM_Sn_STATUS_OFF, 20, 20),102 103 /* TRDY: 1=ready, 0=in progress */104 [TRDY] = REG_FIELD(TM_TRDY_OFF, 0, 0),105};106 107static const struct tsens_ops ops_generic_v2 = {108 .init = init_common,109 .get_temp = get_temp_tsens_valid,110 .resume = tsens_resume_common,111};112 113struct tsens_plat_data data_tsens_v2 = {114 .ops = &ops_generic_v2,115 .feat = &tsens_v2_feat,116 .fields = tsens_v2_regfields,117};118 119struct tsens_plat_data data_ipq8074 = {120 .ops = &ops_generic_v2,121 .feat = &ipq8074_feat,122 .fields = tsens_v2_regfields,123};124 125/* Kept around for backward compatibility with old msm8996.dtsi */126struct tsens_plat_data data_8996 = {127 .num_sensors = 13,128 .ops = &ops_generic_v2,129 .feat = &tsens_v2_feat,130 .fields = tsens_v2_regfields,131};132