58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
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/*
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* Copyright (C) 2012-2017 ARM Limited or its affiliates.
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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 as
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* 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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _CC_LLI_DEFS_H_
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#define _CC_LLI_DEFS_H_
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#ifdef __KERNEL__
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#include <linux/types.h>
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#else
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#include <stdint.h>
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#endif
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#include "cc_bitops.h"
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/* Max DLLI size */
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#define DLLI_SIZE_BIT_SIZE 0x18 // DX_DSCRPTR_QUEUE_WORD1_DIN_SIZE_BIT_SIZE
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#define CC_MAX_MLLI_ENTRY_SIZE 0x10000
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#define MSB64(_addr) (sizeof(_addr) == 4 ? 0 : ((_addr) >> 32)&UINT16_MAX)
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#define LLI_SET_ADDR(lli_p, addr) \
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BITFIELD_SET(((uint32_t *)(lli_p))[LLI_WORD0_OFFSET], LLI_LADDR_BIT_OFFSET, LLI_LADDR_BIT_SIZE, (addr & UINT32_MAX)); \
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BITFIELD_SET(((uint32_t *)(lli_p))[LLI_WORD1_OFFSET], LLI_HADDR_BIT_OFFSET, LLI_HADDR_BIT_SIZE, MSB64(addr));
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#define LLI_SET_SIZE(lli_p, size) \
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BITFIELD_SET(((uint32_t *)(lli_p))[LLI_WORD1_OFFSET], LLI_SIZE_BIT_OFFSET, LLI_SIZE_BIT_SIZE, size)
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/* Size of entry */
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#define LLI_ENTRY_WORD_SIZE 2
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#define LLI_ENTRY_BYTE_SIZE (LLI_ENTRY_WORD_SIZE * sizeof(uint32_t))
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/* Word0[31:0] = ADDR[31:0] */
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#define LLI_WORD0_OFFSET 0
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#define LLI_LADDR_BIT_OFFSET 0
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#define LLI_LADDR_BIT_SIZE 32
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/* Word1[31:16] = ADDR[47:32]; Word1[15:0] = SIZE */
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#define LLI_WORD1_OFFSET 1
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#define LLI_SIZE_BIT_OFFSET 0
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#define LLI_SIZE_BIT_SIZE 16
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#define LLI_HADDR_BIT_OFFSET 16
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#define LLI_HADDR_BIT_SIZE 16
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#endif /*_CC_LLI_DEFS_H_*/
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