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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright 2020 Google LLC
* Written by Simon Glass <sjg@chromium.org>
*/
#ifndef __asm_serial_h
#define __asm_serial_h
#include <dt-structs.h>
struct sandbox_serial_plat {
#if CONFIG_IS_ENABLED(OF_PLATDATA)
struct dtd_sandbox_serial dtplat;
#endif
int colour; /* Text colour to use for output, -1 for none */
};
/**
* sandbox_serial_written() - Get the total number of characters written
*
* This returns the number of characters written by the sandbox serial
* device. It is intended for performing tests of the serial subsystem
* where a console buffer cannot be used. The absolute number should not be
* relied upon; call this function twice and compare the difference.
*
* Return: The number of characters written
*/
size_t sandbox_serial_written(void);
/**
* sandbox_serial_endisable() - Enable or disable serial output
* @enabled: Whether serial output should be enabled or not
*
* This allows tests to enable or disable the sandbox serial output. All
* processes relating to writing output (except the actual writing) will be
* performed.
*/
void sandbox_serial_endisable(bool enabled);
/**
* struct sandbox_serial_priv - Private data for this driver
*
* @buf: holds input characters available to be read by this driver
*/
struct sandbox_serial_priv {
struct membuff buf;
char serial_buf[16];
bool start_of_line;
};
#endif /* __asm_serial_h */
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