1/*	$OpenBSD: ofw_regulator.h,v 1.9 2024/06/14 20:00:32 kettenis Exp $	*/
2/*
3 * Copyright (c) 2016 Mark Kettenis
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18#ifndef _DEV_OFW_REGULATOR_H_
19#define _DEV_OFW_REGULATOR_H_
20
21struct regulator_device {
22	int	rd_node;
23	void	*rd_cookie;
24	uint32_t (*rd_get_voltage)(void *);
25	int	(*rd_set_voltage)(void *, uint32_t);
26	uint32_t (*rd_get_current)(void *);
27	int	(*rd_set_current)(void *, uint32_t);
28	int	(*rd_enable)(void *, int);
29
30	uint32_t rd_volt_min, rd_volt_max;
31	uint32_t rd_amp_min, rd_amp_max;
32	uint32_t rd_ramp_delay;
33
34	uint32_t rd_coupled;
35	uint32_t rd_max_spread;
36
37	LIST_ENTRY(regulator_device) rd_list;
38	uint32_t rd_phandle;
39};
40
41void	regulator_register(struct regulator_device *);
42
43int	regulator_enable(uint32_t);
44int	regulator_disable(uint32_t);
45uint32_t regulator_get_voltage(uint32_t);
46int	regulator_set_voltage(uint32_t, uint32_t);
47uint32_t regulator_get_current(uint32_t);
48int	regulator_set_current(uint32_t, uint32_t);
49
50struct regulator_notifier {
51	uint32_t rn_phandle;
52	void	*rn_cookie;
53	void	(*rn_notify)(void *, uint32_t);
54
55	LIST_ENTRY(regulator_notifier) rn_list;
56};
57
58void	regulator_notify(struct regulator_notifier *);
59
60#endif /* _DEV_OFW_REGULATOR_H_ */
61