3  * mux/driver.h - definitions for the multiplexer driver interface
13 #include <dt-bindings/mux/mux.h>
21  * struct mux_control_ops -	Mux controller operations for a mux chip.
22  * @set:			Set the state of the given mux controller.
25 	int (*set)(struct mux_control *mux, int state);
29  * struct mux_control -	Represents a mux controller.
30  * @lock:		Protects the mux controller state.
31  * @chip:		The mux chip that is handling this mux controller.
32  * @cached_state:	The current mux controller state, or -1 if none.
33  * @states:		The number of mux controller states.
34  * @idle_state:		The mux controller state to use when inactive, or one
37  * Mux drivers may only change @states and @idle_state, and may only do so
38  * between allocation and registration of the mux controller. Specifically,
39  * @cached_state is internal to the mux core and should never be written by
40  * mux drivers.
43 	struct semaphore lock; /* protects the state of the mux */
53  * struct mux_chip -	Represents a chip holding mux controllers.
54  * @controllers:	Number of mux controllers handled by the chip.
55  * @mux:		Array of mux controllers that are handled.
58  * @ops:		Mux controller operations.
62 	struct mux_control *mux;  member
73  * @mux_chip: The mux-chip to get the private memory from.
79 	return &mux_chip->mux[mux_chip->controllers];  in mux_chip_priv()
94  * mux_control_get_index() - Get the index of the given mux controller
95  * @mux: The mux-control to get the index for.
97  * Return: The index of the mux controller within the mux chip the mux
100 static inline unsigned int mux_control_get_index(struct mux_control *mux)  in mux_control_get_index()  argument
102 	return mux - mux->chip->mux;  in mux_control_get_index()