v811_spc009/vendor/huanglong/uapi/lsadc/include/uapi_lsadc.h

/*
 * Copyright (c) Hisilicon Technologies Co., Ltd. 2012-2020. All rights reserved.
 * Description: The iapi interfaces of lsadc
 * Author: Hisilicon
 * Created Date: 2014-02-08
 * Updated Date: 2019-11-19
 */

#ifndef __UAPI_LSADC_H__
#define __UAPI_LSADC_H__

#include "td_type.h"

#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif
#endif /* __cplusplus */

/* ************************** Structure Definition *************************** */
/* * \addtogroup      LSADC */
/* * @{ */ /* * <!-- [LSADC] */

/* LSADC configure parameters */
typedef struct {
    /*
     * <channel_mask>: 1 - Enable,0 - Disable.
     * 0x1:Channel-0, 0x2:Channel-1, 0x4:Channel-2, 0x8:Channel-3
     * System is opening all supportd channel by default.
     * Pinmux and io_config should be configured before using a channel
     */
    td_u32 channel_mask;

    /*
     * <active_bit>:Lsadc Conversion Result Aaccuracy.
     * Example: 0xFC(0b11111100) Indicates 6 bits valid in LSADC Scan Date.
     */
    td_u32 active_bit;

    /*
     * <data_delta>:LSADC conversion error range
     * The two conversion results are identified as the same if they are within the error range.
     */
    td_u32 data_delta;

    /*
     * <deglitch_bypass>:LSADC deglitch function: 1 - bypass, 0 - enable.
     */
    td_u32 deglitch_bypass;
    td_u32 lsadc_reset;

    /*
     * <power_down_mod>:1 - Support,0 - Not Support.
     */
    td_u32 power_down_mod;

    /*
     * <model_sel>:0 - anodic scanning; 1 - continuous scanning.
     */
    td_u32 model_sel;

    /*
     * <lsadc_zero>:The lsadc digital value when no analog signal input.
     */
    td_u32 lsadc_zero;

    /*
     * <glitch_sample>:Time Window of deglitch.
     * When the conversion of LSADC remains unchanged in the Time Window, it is considered as an valid result.
     * The duration of Time Window is (N * time_scan)
     */
    td_u32 glitch_sample;

    /*
     * <time_scan>:Basic Duration between Two Scan (cycle, freq is 3MHz).
     * The actually duration between two scan is (glitch_sample + 1) * time_scan
     * For example, time_scan = 300, glitch_sample = 9, 1 channal is enabled.
     * If you hold button downing, the lsadc digital value will be catched every (9+1)*300 = 3000cycle = 1000us.
     */
    td_u32 time_scan;
} uapi_lsadc_config;

/* * @} */ /* * <!-- ==== Structure Definition end ==== */

/* ****************************** API declaration **************************** */
/* * \addtogroup      LSADC */
/* * @{ */ /* * <!-- [LSADC] */

/* *
\brief Init lsadc iapi function.
\attention N/A
\param N/A
\retval TD_SUCCESS  success.
\retval please refer to the error code of mpi.
\see N/A
*/
td_s32 uapi_lsadc_init(void);

/* *
\brief Deinit lsadc iapi function.
\attention N/A
\param N/A
\retval TD_SUCCESS  success.
\retval please refer to the error code of mpi
\see N/A
*/
td_s32 uapi_lsadc_deinit(void);

/* *
\brief Set the configuration of the LSADC device.
\attention N/A
\param[in] config: The pointer of the lsadc configuration's structure.
\retval TD_SUCCESS  success
\retval please refer to the error code of mpi.
\see N/A
*/
td_s32 uapi_lsadc_set_config(const uapi_lsadc_config *config);

/* *
\brief Get the configuration of the LSADC device.
\attention  N/A
\param[out] config: The pointer of the lsadc configuration's structure.
\retval TD_SUCCESS  success.
\retval please refer to the error code of mpi.
\see N/A
*/
td_s32 uapi_lsadc_get_config(uapi_lsadc_config *config);

/* *
\brief Get the value of the appointed channel of the LSADC device.
\attention  \n
\param[in] channel: The channel of LSADC device.
\param[out] value: The pointer of the value data.
\retval TD_SUCCESS  success.
\retval please refer to the error code of mpi.
\see \n
*/
td_s32 uapi_lsadc_get_value(td_u32 channel, td_u32 *value);

/* ==== API declaration end ==== */
#ifdef __cplusplus
#if __cplusplus
}
#endif
#endif /* __cplusplus */

#endif /* __UAPI_LSADC_H__ */