include/linux/regdump_ops.h

/*
 *  regdump.h - framework for dump the system periperal registers.
 *
 *  Copyright (C) 2012 Lei Wen <leiwen@marvell.com>, Marvell Inc.
 *
 *  This file is released under the GPLv2.
 */

#ifndef _LINUX_REGDUMP_OPS_H
#define _LINUX_REGDUMP_OPS_H

#include <linux/list.h>
#include <linux/slab.h>

struct regdump_ops;
struct regdump_region {
	const char		*name;
	unsigned long		start;
	unsigned long		size;
	int (*cond)(struct regdump_ops *ops);
};

struct regdump_ops {
	struct list_head	node;
	const char		*dev_name;
	int			enable;
	void __iomem		*base;
	void			*buffer;

	struct regdump_region	*regions;
	unsigned long		reg_nums;
	unsigned long		phy_base;
};

static inline int regdump_cond_true(struct regdump_ops *ops)
{
	return 1;
}

static inline int regdump_cond_false(struct regdump_ops *ops)
{
	return 0;
}

#ifdef CONFIG_REGDUMP
extern int dump_reg_to_mem(void);
extern int dump_reg_to_console(void);
extern int register_regdump_ops(struct regdump_ops *ops);
extern int unregister_regdump_ops(struct regdump_ops *ops);
#else
#define register_regdump_ops(ops)	do {} while (0)
#define unregister_regdump_ops(ops)	do {} while (0)
#define dump_reg_to_mem()		do {} while (0)
#define regdump_cond_true()		do {} while (0)
#define regdump_cond_false()		do {} while (0)
#endif
#endif