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04e554807c
Change-Id: Ibead64ce2e901dede2ddd1b86088b88f2350ce92 Signed-off-by: Duy Truong <dtruong@codeaurora.org>
82 lines
2.1 KiB
C
82 lines
2.1 KiB
C
/* Copyright (c) 2011-2012, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _FSM_DFE_HH_H_
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#define _FSM_DFE_HH_H_
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#include <linux/ioctl.h>
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/*
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* Device interface
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*/
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#define DFE_HH_DEVICE_NAME "dfe_hh"
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/*
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* IOCTL interface
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*/
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enum {
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DFE_IOCTL_COMMAND_CODE_WRITE,
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DFE_IOCTL_COMMAND_CODE_WRITE_WITH_MASK,
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};
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struct dfe_write_register_param {
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unsigned int offset;
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unsigned int value;
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};
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struct dfe_write_register_mask_param {
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unsigned int offset;
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unsigned int value;
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unsigned int mask;
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};
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struct dfe_read_write_array_param {
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unsigned int offset;
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unsigned int num; /* number of 16 bit registers */
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unsigned int *pArray;
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};
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struct dfe_command_entry {
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unsigned int code;
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unsigned int offset;
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unsigned int value;
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unsigned int mask; /* DFE_IOCTL_COMMAND_CODE_WRITE_WITH_MASK only */
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};
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struct dfe_command_param {
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unsigned int num;
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struct dfe_command_entry *pEntry;
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};
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#define DFE_IOCTL_MAGIC 'h'
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#define DFE_IOCTL_READ_REGISTER \
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_IOC(_IOC_READ, DFE_IOCTL_MAGIC, 0x01, \
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sizeof(unsigned int *))
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#define DFE_IOCTL_WRITE_REGISTER \
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_IOC(_IOC_WRITE, DFE_IOCTL_MAGIC, 0x02, \
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sizeof(struct dfe_write_register_param *))
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#define DFE_IOCTL_WRITE_REGISTER_WITH_MASK \
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_IOC(_IOC_WRITE, DFE_IOCTL_MAGIC, 0x03, \
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sizeof(struct dfe_write_register_mask_param *))
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#define DFE_IOCTL_READ_REGISTER_ARRAY \
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_IOC(_IOC_READ, DFE_IOCTL_MAGIC, 0x04, \
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sizeof(struct dfe_read_write_array_param *))
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#define DFE_IOCTL_WRITE_REGISTER_ARRAY \
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_IOC(_IOC_WRITE, DFE_IOCTL_MAGIC, 0x05, \
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sizeof(struct dfe_read_write_array_param *))
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#define DFE_IOCTL_COMMAND \
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_IOC(_IOC_WRITE, DFE_IOCTL_MAGIC, 0x10, \
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sizeof(struct dfe_command_param *))
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#endif /* _FSM_DFE_HH_H_ */
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