/*      $NetBSD: bmx280var.h,v 1.1 2022/12/03 01:04:43 brad Exp $       */

/*
* Copyright (c) 2022 Brad Spencer <[email protected]>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/

#ifndef _DEV_IC_BMX280VAR_H_
#define _DEV_IC_BMX280VAR_H_

#define BMX280_NUM_SENSORS      3
#define BMX280_TEMP_SENSOR 0
#define BMX280_PRESSURE_SENSOR 1
#define BMX280_HUMIDITY_SENSOR 2

struct bmx280_calibration_blob {
       uint16_t dig_T1;
       int16_t dig_T2;
       int16_t dig_T3;

       uint16_t dig_P1;
       int16_t dig_P2;
       int16_t dig_P3;
       int16_t dig_P4;
       int16_t dig_P5;
       int16_t dig_P6;
       int16_t dig_P7;
       int16_t dig_P8;
       int16_t dig_P9;
       uint8_t dig_H1;
       int16_t dig_H2;
       uint8_t dig_H3;
       int16_t dig_H4;
       int16_t dig_H5;
       int8_t dig_H6;
};

struct bmx280_sc {
       int             sc_bmx280debug;
       device_t        sc_dev;
       i2c_tag_t       sc_tag;
       i2c_addr_t      sc_addr;
       struct spi_handle *sc_sh;
       kmutex_t        sc_mutex;
       int             sc_numsensors;
       struct sysmon_envsys *sc_sme;
       struct sysctllog *sc_bmx280log;
       envsys_data_t   sc_sensors[BMX280_NUM_SENSORS];
       struct bmx280_calibration_blob  sc_cal_blob;
       bool            sc_has_humidity;
       int             sc_readattempts;
       int             sc_osrs_t;
       int             sc_osrs_p;
       int             sc_osrs_h;
       int             sc_irr_samples;
       uint8_t         sc_previous_irr;
       bool            sc_bmx280dump;
       int             sc_waitfactor_t;
       int             sc_waitfactor_p;
       int             sc_waitfactor_h;
       void            (*sc_func_attach)(struct bmx280_sc *);
       int             (*sc_func_acquire_bus)(struct bmx280_sc *);
       void            (*sc_func_release_bus)(struct bmx280_sc *);
       int             (*sc_func_read_register)(struct bmx280_sc *, uint8_t, uint8_t *, size_t);
       int             (*sc_func_write_register)(struct bmx280_sc *, uint8_t *, size_t);
};

struct bmx280_sensor {
       const char     *desc;
       enum envsys_units type;
};

struct bmx280_osrs_list {
       const int       text;
       uint8_t         mask;
};

struct bmx280_irr_list {
       const int       text;
       uint8_t         mask;
};

#endif