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* Copyright (c) 2015 Intel Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @file
* Public APIs for Pinmux drivers
*/
#ifndef __INCLUDE_PINMUX_H
#define __INCLUDE_PINMUX_H
/**
* @brief Pinmux Interface
* @defgroup pinmux_interface Pinmux Interface
* @ingroup io_interfaces
* @{
*/
#include <stdint.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_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, uint32_t pin, uint32_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, uint32_t pin, uint32_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, uint32_t pin, uint8_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, uint32_t pin, uint8_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,
uint32_t pin,
uint32_t func)
{
struct pinmux_driver_api *api;
api = (struct pinmux_driver_api *) dev->driver_api;
return api->set(dev, pin, func);
}
static inline int pinmux_pin_get(struct device *dev,
uint32_t pin,
uint32_t *func)
{
struct pinmux_driver_api *api;
api = (struct pinmux_driver_api *) dev->driver_api;
return api->get(dev, pin, func);
}
static inline int pinmux_pin_pullup(struct device *dev,
uint32_t pin,
uint8_t func)
{
struct pinmux_driver_api *api;
api = (struct pinmux_driver_api *) dev->driver_api;
return api->pullup(dev, pin, func);
}
static inline int pinmux_pin_input_enable(struct device *dev,
uint32_t pin,
uint8_t func)
{
struct pinmux_driver_api *api;
api = (struct pinmux_driver_api *) dev->driver_api;
return api->input(dev, pin, func);
}
#ifdef __cplusplus
}
#endif
/**
*
* @}
*/
#endif /* __INCLUDE_PINMUX_H */
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