xref: /OK3568_Linux_fs/u-boot/include/eeprom_layout.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * (C) Copyright 2009-2016 CompuLab, Ltd.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Authors: Nikita Kiryanov <nikita@compulab.co.il>
5*4882a593Smuzhiyun  *	    Igor Grinberg <grinberg@compulab.co.il>
6*4882a593Smuzhiyun  *
7*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
8*4882a593Smuzhiyun  */
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #ifndef _LAYOUT_
11*4882a593Smuzhiyun #define _LAYOUT_
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun #define RESERVED_FIELDS			NULL
14*4882a593Smuzhiyun #define LAYOUT_VERSION_UNRECOGNIZED	-1
15*4882a593Smuzhiyun #define LAYOUT_VERSION_AUTODETECT	-2
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun struct eeprom_layout {
18*4882a593Smuzhiyun 	struct eeprom_field *fields;
19*4882a593Smuzhiyun 	int num_of_fields;
20*4882a593Smuzhiyun 	int layout_version;
21*4882a593Smuzhiyun 	unsigned char *data;
22*4882a593Smuzhiyun 	int data_size;
23*4882a593Smuzhiyun 	void (*print)(const struct eeprom_layout *eeprom_layout);
24*4882a593Smuzhiyun 	int (*update)(struct eeprom_layout *eeprom_layout, char *field_name,
25*4882a593Smuzhiyun 		      char *new_data);
26*4882a593Smuzhiyun };
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun void eeprom_layout_setup(struct eeprom_layout *layout, unsigned char *buf,
29*4882a593Smuzhiyun 			 unsigned int buf_size, int layout_version);
30*4882a593Smuzhiyun __weak void __eeprom_layout_assign(struct eeprom_layout *layout,
31*4882a593Smuzhiyun 				   int layout_version);
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun #endif
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