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1/* SPDX-License-Identifier: GPL-2.0 */2/*3 * mux/consumer.h - definitions for the multiplexer consumer interface4 *5 * Copyright (C) 2017 Axentia Technologies AB6 *7 * Author: Peter Rosin <peda@axentia.se>8 */9 10#ifndef _LINUX_MUX_CONSUMER_H11#define _LINUX_MUX_CONSUMER_H12 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