blob: 81bd5212fb03eb6498904a67e376e7458a811dd3 [file] [log] [blame]
/*
* Meta DA JTAG debugger control.
*
* Copyright 2012 Imagination Technologies Ltd.
*/
#ifndef _METAG_DA_H_
#define _METAG_DA_H_
#ifdef CONFIG_METAG_DA
#include <linux/init.h>
#include <linux/types.h>
extern bool _metag_da_present;
/**
* metag_da_enabled() - Find whether a DA is currently enabled.
*
* Returns: true if a DA was detected, false if not.
*/
static inline bool metag_da_enabled(void)
{
return _metag_da_present;
}
/**
* metag_da_probe() - Try and detect a connected DA.
*
* This is used at start up to detect whether a DA is active.
*
* Returns: 0 on detection, -err otherwise.
*/
int __init metag_da_probe(void);
#else /* !CONFIG_METAG_DA */
#define metag_da_enabled() false
#define metag_da_probe() do {} while (0)
#endif
#endif /* _METAG_DA_H_ */