sw/device/lib/spi_to_host/spi_to_host.h

/*
 * Copyright 2023 Google LLC
 *
 * 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.
 */

#ifndef SW_DEVICE_LIB_SPI_TO_HOST_SPI_TO_HOST_H_
#define SW_DEVICE_LIB_SPI_TO_HOST_SPI_TO_HOST_H_

#include "sw/device/lib/dif/dif_gpio.h"
#include "sw/device/lib/dif/dif_rv_plic.h"
#include "sw/device/lib/dif/dif_spi_device.h"
#include "sw/device/lib/testing/test_framework/check.h"

#if defined(__cplusplus)
extern "C" {
#endif

typedef struct spi_to_host {
  dif_spi_device_handle_t* spi_device;
  dif_gpio_t* gpio;
  dif_gpio_pin_t gpio_pin;
} spi_to_host_t;

dif_result_t spi_to_host_init(spi_to_host_t* spi_to_host,
                              dif_spi_device_handle_t* spi_device,
                              dif_gpio_t* gpio, dif_gpio_pin_t gpio_pin);
dif_result_t spi_to_host_irq_init(spi_to_host_t* spi_to_host,
                                  dif_rv_plic_t* rv_plic,
                                  dif_rv_plic_target_t target);
dif_result_t spi_to_host_irq_handler(spi_to_host_t* spi_to_host,
                                     dif_rv_plic_irq_id_t plic_irq_id);

#if defined(__cplusplus)
}
#endif

#endif  // SW_DEVICE_LIB_SPI_TO_HOST_SPI_TO_HOST_H_