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/*
* Copyright (C) 2015 MediaTek Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef DEVFINO_H
#define DEVFINO_H
/*****************************************************************************
* MODULE DEFINITION
*****************************************************************************/
#define MODULE_NAME "[devinfo]"
#define DEV_NAME "devmap"
#define MAJOR_DEV_NUM 196
/*****************************************************************************
* IOCTL DEFINITION
*****************************************************************************/
#define DEV_IOC_MAGIC 'd'
#define READ_DEV_DATA _IOR(DEV_IOC_MAGIC, 1, unsigned int)
#define DEV_IOC_MAXNR (10)
/* devinfo_lk_atag_tag_header, devinfo_lk_atag_tag_devinfo_data and devinfo_lk_atag_tag_size
* come from LK atag.c.
* tag_header is renamed to devinfo_lk_atag_tag_header to avoid duplicated definition
* tag_devinfo_data is renamed to devinfo_lk_atag_tag_devinfo_data to avoid duplicated definition
* tag_size is renamed to devinfo_lk_atag_tag_size to avoid duplicated definition
*/
struct devinfo_lk_atag_tag_header {
u32 size;
u32 tag;
};
struct devinfo_lk_atag_tag_devinfo_data {
u32 devinfo_data_size;
};
#define devinfo_lk_atag_tag_size(type) ((sizeof(struct devinfo_lk_atag_tag_header) + sizeof(struct type)) >> 2)
#ifdef CONFIG_OF
/*device information data*/
struct devinfo_tag {
u32 size;
u32 tag;
u32 data[0]; /* device information */
};
#endif
#endif /* end of DEVFINO_H */
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