1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * mux/consumer.h - definitions for the multiplexer consumer interface
4 *
5 * Copyright (C) 2017 Axentia Technologies AB
6 *
7 * Author: Peter Rosin <peda@axentia.se>
8 */
9
10#ifndef _LINUX_MUX_CONSUMER_H
11#define _LINUX_MUX_CONSUMER_H
12
13#include <linux/compiler.h>
14
15struct device;
16struct mux_control;
17struct mux_state;
18
19unsigned int mux_control_states(struct mux_control *mux);
20int __must_check mux_control_select_delay(struct mux_control *mux,
21					  unsigned int state,
22					  unsigned int delay_us);
23int __must_check mux_state_select_delay(struct mux_state *mstate,
24					unsigned int delay_us);
25int __must_check mux_control_try_select_delay(struct mux_control *mux,
26					      unsigned int state,
27					      unsigned int delay_us);
28int __must_check mux_state_try_select_delay(struct mux_state *mstate,
29					    unsigned int delay_us);
30
31static inline int __must_check mux_control_select(struct mux_control *mux,
32						  unsigned int state)
33{
34	return mux_control_select_delay(mux, state, 0);
35}
36
37static inline int __must_check mux_state_select(struct mux_state *mstate)
38{
39	return mux_state_select_delay(mstate, 0);
40}
41
42static inline int __must_check mux_control_try_select(struct mux_control *mux,
43						      unsigned int state)
44{
45	return mux_control_try_select_delay(mux, state, 0);
46}
47
48static inline int __must_check mux_state_try_select(struct mux_state *mstate)
49{
50	return mux_state_try_select_delay(mstate, 0);
51}
52
53int mux_control_deselect(struct mux_control *mux);
54int mux_state_deselect(struct mux_state *mstate);
55
56struct mux_control *mux_control_get(struct device *dev, const char *mux_name);
57void mux_control_put(struct mux_control *mux);
58
59struct mux_control *devm_mux_control_get(struct device *dev,
60					 const char *mux_name);
61struct mux_state *devm_mux_state_get(struct device *dev,
62				     const char *mux_name);
63
64#endif /* _LINUX_MUX_CONSUMER_H */
65