72f81217bf
Add support for PMIC7 ADC_TM peripheral in ADC_TM common driver files. Add main ADC_TM driver file for PMIC7. As register offsets and SW flows have changed significantly for ADC_TM due to ADC architecture change, this new driver is required for ADC_TM on PMIC7. Change-Id: I9c92ab0a93a1bf487cb9fa0e9640b3c4eaf2b21a Signed-off-by: Jishnu Prakash <jprakash@codeaurora.org>
97 lines
3.0 KiB
C
97 lines
3.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2012-2019, The Linux Foundation. All rights reserved.
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*/
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#ifndef __QCOM_ADC_TM_H_CLIENTS__
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#define __QCOM_ADC_TM_H_CLIENTS__
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struct adc_tm_chip;
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/**
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* enum adc_tm_state - This lets the client know whether the threshold
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* that was crossed was high/low.
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* %ADC_TM_HIGH_STATE: Client is notified of crossing the requested high
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* voltage threshold.
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* %ADC_TM_COOL_STATE: Client is notified of crossing the requested cool
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* temperature threshold.
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* %ADC_TM_LOW_STATE: Client is notified of crossing the requested low
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* voltage threshold.
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* %ADC_TM_WARM_STATE: Client is notified of crossing the requested high
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* temperature threshold.
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*/
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enum adc_tm_state {
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ADC_TM_HIGH_STATE = 0,
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ADC_TM_COOL_STATE = ADC_TM_HIGH_STATE,
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ADC_TM_LOW_STATE,
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ADC_TM_WARM_STATE = ADC_TM_LOW_STATE,
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ADC_TM_STATE_NUM,
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};
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/**
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* enum adc_tm_state_request - Request to enable/disable the corresponding
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* high/low voltage/temperature thresholds.
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* %ADC_TM_HIGH_THR_ENABLE: Enable high voltage threshold.
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* %ADC_TM_COOL_THR_ENABLE = Enables cool temperature threshold.
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* %ADC_TM_LOW_THR_ENABLE: Enable low voltage/temperature threshold.
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* %ADC_TM_WARM_THR_ENABLE = Enables warm temperature threshold.
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* %ADC_TM_HIGH_LOW_THR_ENABLE: Enable high and low voltage/temperature
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* threshold.
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* %ADC_TM_HIGH_THR_DISABLE: Disable high voltage/temperature threshold.
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* %ADC_TM_COOL_THR_ENABLE = Disables cool temperature threshold.
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* %ADC_TM_LOW_THR_DISABLE: Disable low voltage/temperature threshold.
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* %ADC_TM_WARM_THR_ENABLE = Disables warm temperature threshold.
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* %ADC_TM_HIGH_THR_DISABLE: Disable high and low voltage/temperature
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* threshold.
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*/
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enum adc_tm_state_request {
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ADC_TM_HIGH_THR_ENABLE = 0,
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ADC_TM_COOL_THR_ENABLE = ADC_TM_HIGH_THR_ENABLE,
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ADC_TM_LOW_THR_ENABLE,
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ADC_TM_WARM_THR_ENABLE = ADC_TM_LOW_THR_ENABLE,
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ADC_TM_HIGH_LOW_THR_ENABLE,
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ADC_TM_HIGH_THR_DISABLE,
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ADC_TM_COOL_THR_DISABLE = ADC_TM_HIGH_THR_DISABLE,
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ADC_TM_LOW_THR_DISABLE,
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ADC_TM_WARM_THR_DISABLE = ADC_TM_LOW_THR_DISABLE,
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ADC_TM_HIGH_LOW_THR_DISABLE,
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ADC_TM_THR_NUM,
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};
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struct adc_tm_param {
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unsigned long id;
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int low_thr;
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int high_thr;
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uint32_t channel;
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enum adc_tm_state_request state_request;
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void *btm_ctx;
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void (*threshold_notification)(enum adc_tm_state state,
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void *ctx);
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};
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/* Public API */
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#if IS_ENABLED(CONFIG_QTI_ADC_TM)
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struct adc_tm_chip *get_adc_tm(struct device *dev, const char *name);
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int32_t adc_tm_channel_measure(struct adc_tm_chip *chip,
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struct adc_tm_param *param);
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int32_t adc_tm_disable_chan_meas(struct adc_tm_chip *chip,
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struct adc_tm_param *param);
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#else
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static inline struct adc_tm_chip *get_adc_tm(
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struct device *dev, const char *name)
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{ return ERR_PTR(-ENXIO); }
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static inline int32_t adc_tm_channel_measure(
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struct adc_tm_chip *chip,
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struct adc_tm_param *param)
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{ return -ENXIO; }
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static inline int32_t adc_tm_disable_chan_meas(
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struct adc_tm_chip *chip,
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struct adc_tm_param *param)
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{ return -ENXIO; }
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#endif
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#endif /* __QCOM_ADC_TM_H_CLIENTS__ */
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