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/* Copyright (c) 2011-2012, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only 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 _FSM_DFE_HH_H_
#define _FSM_DFE_HH_H_
#include <linux/ioctl.h>
/*
* Device interface
*/
#define DFE_HH_DEVICE_NAME "dfe_hh"
/*
* IOCTL interface
*/
enum {
DFE_IOCTL_COMMAND_CODE_WRITE,
DFE_IOCTL_COMMAND_CODE_WRITE_WITH_MASK,
};
struct dfe_write_register_param {
unsigned int offset;
unsigned int value;
};
struct dfe_write_register_mask_param {
unsigned int offset;
unsigned int value;
unsigned int mask;
};
struct dfe_read_write_array_param {
unsigned int offset;
unsigned int num; /* number of 16 bit registers */
unsigned int *pArray;
};
struct dfe_command_entry {
unsigned int code;
unsigned int offset;
unsigned int value;
unsigned int mask; /* DFE_IOCTL_COMMAND_CODE_WRITE_WITH_MASK only */
};
struct dfe_command_param {
unsigned int num;
struct dfe_command_entry *pEntry;
};
#define DFE_IOCTL_MAGIC 'h'
#define DFE_IOCTL_READ_REGISTER \
_IOC(_IOC_READ, DFE_IOCTL_MAGIC, 0x01, \
sizeof(unsigned int *))
#define DFE_IOCTL_WRITE_REGISTER \
_IOC(_IOC_WRITE, DFE_IOCTL_MAGIC, 0x02, \
sizeof(struct dfe_write_register_param *))
#define DFE_IOCTL_WRITE_REGISTER_WITH_MASK \
_IOC(_IOC_WRITE, DFE_IOCTL_MAGIC, 0x03, \
sizeof(struct dfe_write_register_mask_param *))
#define DFE_IOCTL_READ_REGISTER_ARRAY \
_IOC(_IOC_READ, DFE_IOCTL_MAGIC, 0x04, \
sizeof(struct dfe_read_write_array_param *))
#define DFE_IOCTL_WRITE_REGISTER_ARRAY \
_IOC(_IOC_WRITE, DFE_IOCTL_MAGIC, 0x05, \
sizeof(struct dfe_read_write_array_param *))
#define DFE_IOCTL_COMMAND \
_IOC(_IOC_WRITE, DFE_IOCTL_MAGIC, 0x10, \
sizeof(struct dfe_command_param *))
#endif /* _FSM_DFE_HH_H_ */
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