drivers/staging/ccree/cc_lli_defs.h

/*
 * Copyright (C) 2012-2017 ARM Limited or its affiliates.
 * 
 * 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.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */


#ifndef _CC_LLI_DEFS_H_
#define _CC_LLI_DEFS_H_
#ifdef __KERNEL__
#include <linux/types.h>
#else
#include <stdint.h>
#endif
#include "cc_bitops.h"

/* Max DLLI size */
#define DLLI_SIZE_BIT_SIZE	0x18	// DX_DSCRPTR_QUEUE_WORD1_DIN_SIZE_BIT_SIZE

#define CC_MAX_MLLI_ENTRY_SIZE 0x10000

#define MSB64(_addr) (sizeof(_addr) == 4 ? 0 : ((_addr) >> 32)&UINT16_MAX)

#define LLI_SET_ADDR(lli_p, addr) \
		BITFIELD_SET(((uint32_t *)(lli_p))[LLI_WORD0_OFFSET], LLI_LADDR_BIT_OFFSET, LLI_LADDR_BIT_SIZE, (addr & UINT32_MAX)); \
		BITFIELD_SET(((uint32_t *)(lli_p))[LLI_WORD1_OFFSET], LLI_HADDR_BIT_OFFSET, LLI_HADDR_BIT_SIZE, MSB64(addr));

#define LLI_SET_SIZE(lli_p, size) \
		BITFIELD_SET(((uint32_t *)(lli_p))[LLI_WORD1_OFFSET], LLI_SIZE_BIT_OFFSET, LLI_SIZE_BIT_SIZE, size)

/* Size of entry */
#define LLI_ENTRY_WORD_SIZE 2
#define LLI_ENTRY_BYTE_SIZE (LLI_ENTRY_WORD_SIZE * sizeof(uint32_t))

/* Word0[31:0] = ADDR[31:0] */
#define LLI_WORD0_OFFSET 0
#define LLI_LADDR_BIT_OFFSET 0
#define LLI_LADDR_BIT_SIZE 32
/* Word1[31:16] = ADDR[47:32]; Word1[15:0] = SIZE */
#define LLI_WORD1_OFFSET 1
#define LLI_SIZE_BIT_OFFSET 0
#define LLI_SIZE_BIT_SIZE 16
#define LLI_HADDR_BIT_OFFSET 16
#define LLI_HADDR_BIT_SIZE 16


#endif /*_CC_LLI_DEFS_H_*/