1 /*        $NetBSD: ds2482owvar.h,v 1.3 2024/11/06 19:42:25 riastradh Exp $      */
2 
3 /*
4  * Copyright (c) 2024 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_DS2482VAR_H_
20 #define _DEV_I2C_DS2482VAR_H_
21 
22 #include <sys/types.h>
23 
24 #include <sys/device_if.h>
25 #include <sys/mutex.h>
26 
27 #include <dev/i2c/i2cvar.h>
28 #include <dev/onewire/onewirevar.h>
29 
30 #define DS2482_NUM_INSTANCES  8
31 
32 struct ds2482ow_sc;
33 
34 struct ds2482_instance {
35           int                                     sc_i_channel;
36           struct onewire_bus            sc_i_ow_bus;
37           device_t                      sc_i_ow_dev;
38           struct ds2482ow_sc            *sc;
39 };
40 
41 struct ds2482ow_sc {
42           int                 sc_ds2482debug;
43           device_t  sc_dev;
44           i2c_tag_t           sc_tag;
45           i2c_addr_t          sc_addr;
46           kmutex_t  sc_mutex;
47           struct sysctllog *sc_ds2482log;
48           bool                sc_activepullup;
49           bool                sc_strongpullup;
50           bool                sc_is_800;
51           struct              ds2482_instance     sc_instances[DS2482_NUM_INSTANCES];
52 };
53 
54 #endif    /* _DEV_I2C_DS2482VAR_H_ */
55