fbcons.h

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/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
 
/*
 * Copyright (c) 2015 Yang Qiao
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *
 *  http://www.rtems.org/license/LICENSE
 *
 */
 
#ifndef _FBCONS_H_
#define _FBCONS_H_
 
#include <libchip/serial.h>
#include <rtems/termiostypes.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*
 *  This is the ASCII for "PI" in the upper word and 2835
 *  in the lower which should be unique enough to
 *  distinguish this type of serial device from others.
 */
 
#define FB_CONSOLE 0x50492835
 
bool fbcons_probe(
  rtems_termios_device_context *base
 );
 
void fbcons_write_polled(
  rtems_termios_device_context *base,
  char c
);
 
void output_char_fb(char c);
 
typedef struct {
    rtems_termios_device_context base;
} rpi_fb_context ;
 
/*
 * Driver function table
 */
extern const rtems_termios_device_handler fbcons_fns;
 
#ifdef __cplusplus
}
#endif
 
#endif /* _FBCONS_H_ */