mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-25 18:30:06 +00:00
84564481bc
In some cases, we might need to provide the state of the mux to be set for the operation of a given peripheral. Therefore, pass this information using mux-states property. Link: https://lore.kernel.org/lkml/20211123081222.27979-1-a-govindraju@ti.com Signed-off-by: Aswath Govindraju <a-govindraju@ti.com> Signed-off-by: Peter Rosin <peda@axentia.se> (minor edits) Link: https://lore.kernel.org/r/aac25be8-9515-a980-f7cb-709938c84822@axentia.se Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* mux/consumer.h - definitions for the multiplexer consumer interface
|
|
*
|
|
* Copyright (C) 2017 Axentia Technologies AB
|
|
*
|
|
* Author: Peter Rosin <peda@axentia.se>
|
|
*/
|
|
|
|
#ifndef _LINUX_MUX_CONSUMER_H
|
|
#define _LINUX_MUX_CONSUMER_H
|
|
|
|
#include <linux/compiler.h>
|
|
|
|
struct device;
|
|
struct mux_control;
|
|
struct mux_state;
|
|
|
|
unsigned int mux_control_states(struct mux_control *mux);
|
|
int __must_check mux_control_select_delay(struct mux_control *mux,
|
|
unsigned int state,
|
|
unsigned int delay_us);
|
|
int __must_check mux_state_select_delay(struct mux_state *mstate,
|
|
unsigned int delay_us);
|
|
int __must_check mux_control_try_select_delay(struct mux_control *mux,
|
|
unsigned int state,
|
|
unsigned int delay_us);
|
|
int __must_check mux_state_try_select_delay(struct mux_state *mstate,
|
|
unsigned int delay_us);
|
|
|
|
static inline int __must_check mux_control_select(struct mux_control *mux,
|
|
unsigned int state)
|
|
{
|
|
return mux_control_select_delay(mux, state, 0);
|
|
}
|
|
|
|
static inline int __must_check mux_state_select(struct mux_state *mstate)
|
|
{
|
|
return mux_state_select_delay(mstate, 0);
|
|
}
|
|
|
|
static inline int __must_check mux_control_try_select(struct mux_control *mux,
|
|
unsigned int state)
|
|
{
|
|
return mux_control_try_select_delay(mux, state, 0);
|
|
}
|
|
|
|
static inline int __must_check mux_state_try_select(struct mux_state *mstate)
|
|
{
|
|
return mux_state_try_select_delay(mstate, 0);
|
|
}
|
|
|
|
int mux_control_deselect(struct mux_control *mux);
|
|
int mux_state_deselect(struct mux_state *mstate);
|
|
|
|
struct mux_control *mux_control_get(struct device *dev, const char *mux_name);
|
|
void mux_control_put(struct mux_control *mux);
|
|
|
|
struct mux_control *devm_mux_control_get(struct device *dev,
|
|
const char *mux_name);
|
|
struct mux_state *devm_mux_state_get(struct device *dev,
|
|
const char *mux_name);
|
|
|
|
#endif /* _LINUX_MUX_CONSUMER_H */
|