46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (C) 2019 MediaTek Inc.
|
|
*/
|
|
|
|
|
|
#ifndef __DEVFINO_H__
|
|
#define __DEVFINO_H__
|
|
|
|
/*****************************************************************************
|
|
* MODULE DEFINITION
|
|
*****************************************************************************/
|
|
#define MODULE_NAME "[devinfo]"
|
|
#define DEV_NAME "devmap"
|
|
#define MAJOR_DEV_NUM 196
|
|
#define DEVINFO_SEGCODE_INDEX 30
|
|
|
|
/*****************************************************************************
|
|
* IOCTL DEFINITION
|
|
*****************************************************************************/
|
|
#define DEV_IOC_MAGIC 'd'
|
|
#define READ_DEV_DATA _IOR(DEV_IOC_MAGIC, 1, unsigned int)
|
|
#define DEV_IOC_MAXNR (10)
|
|
|
|
/*****************************************************************************
|
|
* HRID DEFINITION
|
|
*****************************************************************************/
|
|
#define HRID_SIZE_MAGIC_NUM 0x56AB0000
|
|
#define HRID_SIZE_INDEX 10
|
|
#define HRID_DEFAULT_SIZE 2
|
|
#define HRID_MIN_ALLOWED_SIZE 2
|
|
#define HRID_MAX_ALLOWED_SIZE 8
|
|
|
|
#ifdef CONFIG_OF
|
|
/*device information data*/
|
|
struct devinfo_tag {
|
|
/* device information size */
|
|
u32 data_size;
|
|
/* device information (dynamically allocate in v2 driver) */
|
|
u32 data[0];
|
|
};
|
|
#endif
|
|
|
|
#endif /* end of __DEVFINO_H__ */
|
|
|