sc16is752.h

/* SPDX-License-Identifier: BSD-2-Clause */
 
/*
 * Copyright (c) 2016 embedded brains GmbH & Co. KG
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
 
#ifndef LIBBSP_ARM_ATSAM_SC16IS752_H
#define LIBBSP_ARM_ATSAM_SC16IS752_H
 
#include <rtems/irq-extension.h>
#include <libchip/chip.h>
 
#include <dev/serial/sc16is752.h>
 
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

typedef struct {
  sc16is752_spi_context base;
  Pin irq_pin;
  rtems_interrupt_server_entry irqs_entry;
  rtems_interrupt_server_action irqs_action;
  uint32_t irqs_index;
} atsam_sc16is752_spi_context;

typedef struct {
  const char *device_path;

  sc16is752_mode mode;

  uint32_t input_frequency;

  const char *spi_path;

  uint8_t spi_chip_select;

  uint32_t spi_speed_hz;

  const Pin irq_pin;

  uint32_t server_index;
} atsam_sc16is752_spi_config;

int atsam_sc16is752_spi_create(
  atsam_sc16is752_spi_context      *ctx,
  const atsam_sc16is752_spi_config *config
);
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
 
#endif /* LIBBSP_ARM_ATSAM_SC16IS752_H */