tms570-sci-driver.h

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/* SPDX-License-Identifier: BSD-2-Clause */
 
/*
 * Copyright (C) 2014 Premysl Houdek <kom541000@gmail.com>
 *
 * Google Summer of Code 2014 at
 * Czech Technical University in Prague
 * Zikova 1903/4
 * 166 36 Praha 6
 * Czech Republic
 *
 * 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 TMS570_SCI_DRIVER
#define TMS570_SCI_DRIVER
 
#include <rtems/termiostypes.h>
#include <rtems/irq.h>
#include <bsp/tms570.h>
 
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
 
/* Low-level driver specific data structure */
typedef struct {
  rtems_termios_device_context base;
  const char *device_name;
  volatile tms570_sci_t *regs;
  int tx_chars_in_hw;
  rtems_vector_number irq;
} tms570_sci_context;
 
extern const rtems_termios_device_handler tms570_sci_handler_polled;
 
extern const rtems_termios_device_handler tms570_sci_handler_interrupt;
 
extern tms570_sci_context driver_context_table[];
 
void tms570_sci_initialize(tms570_sci_context *ctx);
 
bool tms570_sci_set_attributes(
  rtems_termios_device_context *base,
  const struct termios *term
);
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
 
#endif /* TMS570_SCI_DRIVER */