xref: /netbsd-src/sys/dev/i2c/si70xxvar.h (revision be8e43b169398f1f020f7c25bb5ffc4fc04f58ed)
1 /*	$NetBSD: si70xxvar.h,v 1.4 2025/01/23 19:13:19 brad Exp $	*/
2 
3 /*
4  * Copyright (c) 2017 Brad Spencer <brad@anduin.eldar.org>
5  *
6  * Permission to use, copy, modify, and distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 #ifndef _DEV_I2C_SI70XXVAR_H_
20 #define _DEV_I2C_SI70XXVAR_H_
21 
22 #define SI70XX_NUM_SENSORS	2
23 #define SI70XX_HUMIDITY_SENSOR 0
24 #define SI70XX_TEMP_SENSOR 1
25 
26 #define SI70XX_RES_NAME 12
27 
28 struct si70xx_sc {
29 	int 		sc_si70xxdebug;
30 	device_t 	sc_dev;
31 	i2c_tag_t 	sc_tag;
32 	i2c_addr_t 	sc_addr;
33 	kmutex_t 	sc_mutex;
34 	int 		sc_numsensors;
35 	struct sysmon_envsys *sc_sme;
36 	envsys_data_t 	sc_sensors[SI70XX_NUM_SENSORS];
37 	struct sysctllog *sc_si70xxlog;
38 	char 		sc_resolution[SI70XX_RES_NAME];
39 	int 		sc_resnumber;
40 	bool 		sc_ignorecrc;
41 	bool 		sc_vddok;
42 	bool 		sc_heateron;
43 	int 		sc_heaterval;
44 	bool	 	sc_clockstretch;
45 	int 		sc_readattempts;
46 	bool		sc_noheater;
47 	bool		sc_nofw;
48 };
49 
50 struct si70xx_sensor {
51 	const char     *desc;
52 	enum envsys_units type;
53 };
54 
55 struct si70xx_resolution {
56 	const char     *text;
57 	int 		num;
58 };
59 
60 #endif
61