[deliverable/linux.git] / arch / metag / include / asm / da.h

/*
 * 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_ */
Commit	Line	Data
ae85ac71 JH	1	/*
	2	* Meta DA JTAG debugger control.
	3	*
	4	* Copyright 2012 Imagination Technologies Ltd.
	5	*/
	6
	7	#ifndef _METAG_DA_H_
	8	#define _METAG_DA_H_
	9
	10	#ifdef CONFIG_METAG_DA
	11
	12	#include <linux/init.h>
	13	#include <linux/types.h>
	14
	15	extern bool _metag_da_present;
	16
	17	/**
	18	* metag_da_enabled() - Find whether a DA is currently enabled.
	19	*
	20	* Returns: true if a DA was detected, false if not.
	21	*/
	22	static inline bool metag_da_enabled(void)
	23	{
	24	return _metag_da_present;
	25	}
	26
	27	/**
	28	* metag_da_probe() - Try and detect a connected DA.
	29	*
	30	* This is used at start up to detect whether a DA is active.
	31	*
	32	* Returns: 0 on detection, -err otherwise.
	33	*/
	34	int __init metag_da_probe(void);
	35
	36	#else /* !CONFIG_METAG_DA */
	37
	38	#define metag_da_enabled() false
	39	#define metag_da_probe() do {} while (0)
	40
	41	#endif
	42
	43	#endif /* _METAG_DA_H_ */