zephyr/include/pinmux.h

115 lines
2.4 KiB
C

/*
* Copyright (c) 2015 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @file
* Public APIs for Pinmux drivers
*/
#ifndef ZEPHYR_INCLUDE_PINMUX_H_
#define ZEPHYR_INCLUDE_PINMUX_H_
/**
* @brief Pinmux Interface
* @defgroup pinmux_interface Pinmux Interface
* @ingroup io_interfaces
* @{
*/
#include <zephyr/types.h>
#include <device.h>
#ifdef __cplusplus
extern "C" {
#endif
#define PINMUX_FUNC_A 0
#define PINMUX_FUNC_B 1
#define PINMUX_FUNC_C 2
#define PINMUX_FUNC_D 3
#define PINMUX_FUNC_E 4
#define PINMUX_FUNC_F 5
#define PINMUX_FUNC_G 6
#define PINMUX_FUNC_H 7
#define PINMUX_PULLUP_ENABLE (0x1)
#define PINMUX_PULLUP_DISABLE (0x0)
#define PINMUX_INPUT_ENABLED (0x1)
#define PINMUX_OUTPUT_ENABLED (0x0)
/**
* @typedef pmux_set
* @brief Callback API upon setting a PIN's function
* See pinmux_pin_set() for argument description
*/
typedef int (*pmux_set)(struct device *dev, u32_t pin, u32_t func);
/**
* @typedef pmux_get
* @brief Callback API upon getting a PIN's function
* See pinmux_pin_get() for argument description
*/
typedef int (*pmux_get)(struct device *dev, u32_t pin, u32_t *func);
/**
* @typedef pmux_pullup
* @brief Callback API upon setting a PIN's pullup
* See pinmix_pin_pullup() for argument description
*/
typedef int (*pmux_pullup)(struct device *dev, u32_t pin, u8_t func);
/**
* @typedef pmux_input
* @brief Callback API upon setting a PIN's input function
* See pinmux_input() for argument description
*/
typedef int (*pmux_input)(struct device *dev, u32_t pin, u8_t func);
struct pinmux_driver_api {
pmux_set set;
pmux_get get;
pmux_pullup pullup;
pmux_input input;
};
static inline int pinmux_pin_set(struct device *dev, u32_t pin, u32_t func)
{
const struct pinmux_driver_api *api = dev->driver_api;
return api->set(dev, pin, func);
}
static inline int pinmux_pin_get(struct device *dev, u32_t pin, u32_t *func)
{
const struct pinmux_driver_api *api = dev->driver_api;
return api->get(dev, pin, func);
}
static inline int pinmux_pin_pullup(struct device *dev, u32_t pin, u8_t func)
{
const struct pinmux_driver_api *api = dev->driver_api;
return api->pullup(dev, pin, func);
}
static inline int pinmux_pin_input_enable(struct device *dev, u32_t pin,
u8_t func)
{
const struct pinmux_driver_api *api = dev->driver_api;
return api->input(dev, pin, func);
}
#ifdef __cplusplus
}
#endif
/**
*
* @}
*/
#endif /* ZEPHYR_INCLUDE_PINMUX_H_ */