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/* Copyright (c) 2012-2019, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __QCOM_ADC_TM_H_CLIENTS__
#define __QCOM_ADC_TM_H_CLIENTS__
struct adc_tm_chip;
/**
* enum adc_tm_state - This lets the client know whether the threshold
* that was crossed was high/low.
* %ADC_TM_HIGH_STATE: Client is notified of crossing the requested high
* voltage threshold.
* %ADC_TM_COOL_STATE: Client is notified of crossing the requested cool
* temperature threshold.
* %ADC_TM_LOW_STATE: Client is notified of crossing the requested low
* voltage threshold.
* %ADC_TM_WARM_STATE: Client is notified of crossing the requested high
* temperature threshold.
*/
enum adc_tm_state {
ADC_TM_HIGH_STATE = 0,
ADC_TM_COOL_STATE = ADC_TM_HIGH_STATE,
ADC_TM_LOW_STATE,
ADC_TM_WARM_STATE = ADC_TM_LOW_STATE,
ADC_TM_STATE_NUM,
};
/**
* enum adc_tm_state_request - Request to enable/disable the corresponding
* high/low voltage/temperature thresholds.
* %ADC_TM_HIGH_THR_ENABLE: Enable high voltage threshold.
* %ADC_TM_COOL_THR_ENABLE = Enables cool temperature threshold.
* %ADC_TM_LOW_THR_ENABLE: Enable low voltage/temperature threshold.
* %ADC_TM_WARM_THR_ENABLE = Enables warm temperature threshold.
* %ADC_TM_HIGH_LOW_THR_ENABLE: Enable high and low voltage/temperature
* threshold.
* %ADC_TM_HIGH_THR_DISABLE: Disable high voltage/temperature threshold.
* %ADC_TM_COOL_THR_ENABLE = Disables cool temperature threshold.
* %ADC_TM_LOW_THR_DISABLE: Disable low voltage/temperature threshold.
* %ADC_TM_WARM_THR_ENABLE = Disables warm temperature threshold.
* %ADC_TM_HIGH_THR_DISABLE: Disable high and low voltage/temperature
* threshold.
*/
enum adc_tm_state_request {
ADC_TM_HIGH_THR_ENABLE = 0,
ADC_TM_COOL_THR_ENABLE = ADC_TM_HIGH_THR_ENABLE,
ADC_TM_LOW_THR_ENABLE,
ADC_TM_WARM_THR_ENABLE = ADC_TM_LOW_THR_ENABLE,
ADC_TM_HIGH_LOW_THR_ENABLE,
ADC_TM_HIGH_THR_DISABLE,
ADC_TM_COOL_THR_DISABLE = ADC_TM_HIGH_THR_DISABLE,
ADC_TM_LOW_THR_DISABLE,
ADC_TM_WARM_THR_DISABLE = ADC_TM_LOW_THR_DISABLE,
ADC_TM_HIGH_LOW_THR_DISABLE,
ADC_TM_THR_NUM,
};
struct adc_tm_param {
int low_thr;
int high_thr;
uint32_t channel;
enum adc_tm_state_request state_request;
void *btm_ctx;
void (*threshold_notification)(enum adc_tm_state state,
void *ctx);
};
/* Public API */
#if defined(CONFIG_QTI_ADC_TM)
struct adc_tm_chip *get_adc_tm(struct device *dev, const char *name);
int32_t adc_tm5_channel_measure(struct adc_tm_chip *chip,
struct adc_tm_param *param);
int32_t adc_tm5_disable_chan_meas(struct adc_tm_chip *chip,
struct adc_tm_param *param);
#else
static inline struct adc_tm_chip *get_adc_tm(
struct device *dev, const char *name)
{ return ERR_PTR(-ENXIO); }
static inline int32_t adc_tm5_channel_measure(
struct adc_tm_chip *chip,
struct adc_tm_param *param)
{ return -ENXIO; }
static inline int32_t adc_tm5_disable_chan_meas(
struct adc_tm_chip *chip,
struct adc_tm_param *param)
{ return -ENXIO; }
#endif
#endif /* __QCOM_ADC_TM_H_CLIENTS__ */
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