/*
 * include/linux/dump_reg.h
 * (C) Copyright 2015-2018
 * Reuuimlla Technology Co., Ltd. <www.reuuimllatech.com>
 * Liugang <liugang@reuuimllatech.com>
 * Xiafeng <xiafeng@allwinnertech.com>
 *
 * dump registers head file
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 */

#ifndef _DUMP_REG_H_
#define _DUMP_REG_H_

#define MAX_COMPARE_ITEM	64
#define MAX_WRITE_ITEM		64

/**
 * compare_item - reg compare item struct
 * @reg_addr:	reg address.
 * @val_expect: expected value, provided by caller.
 * @val_mask:   mask value, provided by caller. only mask bits will be compared.
 */
struct compare_item {
	unsigned long reg_addr;
	u32	val_expect;
	u32	val_mask;
};

/**
 * compare_group - reg compare group struct
 * @num:	pitem element count. cannot exceed MAX_COMPARE_ITEM.
 * @pitem:	items that will be compared, provided by caller.
 */
struct compare_group {
	u32	num;
	u32	reverse;
	struct compare_item *pitem;
};

/**
 * write_item - reg write item struct
 * @reg_addr:	reg address.
 * @val:	value to write
 */
struct write_item {
	unsigned long reg_addr;
	u32	val;
	u32	reverse;
};

/**
 * write_group - reg write group struct
 * @num:	pitem element count. cannot exceed MAX_WRITE_ITEM.
 * @pitem:	items that will be write, provided by caller.
 */
struct write_group {
	u32	num;
	u32	reverse;
	struct write_item *pitem;
};

void sunxi_dump_regs(u32 start_reg, u32 end_reg);
void sunxi_compare_regs(struct compare_group *pgroup);
void sunxi_write_regs(struct write_group *pgroup);

#endif /* _DUMP_REG_H_ */