NetBSD/sys/dev/ic/bmx280var.h

95 lines
2.4 KiB
C

/* $NetBSD: bmx280var.h,v 1.1 2022/12/03 01:04:43 brad Exp $ */
/*
* Copyright (c) 2022 Brad Spencer <brad@anduin.eldar.org>
*
* 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