/* SPDX-License-Identifier: BSD-3-Clause

*

* Copyright(c) 2019 Intel Corporation. All rights reserved.

*

* Author: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>

*/

#ifndef __SOF_DRIVERS_GPIO_H__

#define __SOF_DRIVERS_GPIO_H__

#include <sof/drivers/iomux.h>

struct gpio;

enum gpio_direction {

GPIO_DIRECTION_INPUT,

GPIO_DIRECTION_OUTPUT,

};

enum gpio_level {

GPIO_LEVEL_LOW,

GPIO_LEVEL_HIGH,

};

struct gpio_config {

enum gpio_direction direction;

};

struct gpio_pin_config {

unsigned int mux_id;

struct iomux_pin_config mux_config;

};

extern const struct gpio_pin_config gpio_data[];

extern const int n_gpios;

int gpio_write(const struct gpio *gpio, unsigned int port,

enum gpio_level level);

int gpio_read(const struct gpio *gpio, unsigned int port);

int gpio_configure(const struct gpio *gpio, unsigned int port,

const struct gpio_config *config);

const struct gpio *gpio_get(unsigned int id);

int gpio_probe(const struct gpio *gpio);

#endif /* __SOF_DRIVERS_GPIO_H__ */