ds2482owvar.h revision 1.3 1 /* $NetBSD: ds2482owvar.h,v 1.3 2024/11/06 19:42:25 riastradh Exp $ */
2
3 /*
4 * Copyright (c) 2024 Brad Spencer <brad (at) 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