78 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			78 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later */
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| /*
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|  * Copyright 2008 - 2015 Freescale Semiconductor Inc.
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|  */
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| 
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| #ifndef __FM_SP_H
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| #define __FM_SP_H
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| 
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| #include "fman.h"
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| #include <linux/types.h>
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| 
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| #define ILLEGAL_BASE    (~0)
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| 
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| /* defaults */
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| #define DFLT_FM_SP_BUFFER_PREFIX_CONTEXT_DATA_ALIGN	64
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| 
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| /* Registers bit fields */
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| #define FMAN_SP_EXT_BUF_POOL_EN_COUNTER		0x40000000
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| #define FMAN_SP_EXT_BUF_POOL_VALID			0x80000000
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| #define FMAN_SP_EXT_BUF_POOL_BACKUP			0x20000000
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| #define FMAN_SP_DMA_ATTR_WRITE_OPTIMIZE		0x00100000
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| #define FMAN_SP_SG_DISABLE				0x80000000
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| 
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| /* shifts */
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| #define FMAN_SP_EXT_BUF_MARG_START_SHIFT		16
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| #define FMAN_SP_DMA_ATTR_SWP_SHIFT			30
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| #define FMAN_SP_IC_TO_EXT_SHIFT			16
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| #define FMAN_SP_IC_FROM_INT_SHIFT			8
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| 
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| /* structure for defining internal context copying */
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| struct fman_sp_int_context_data_copy {
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| 	/* < Offset in External buffer to which internal
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| 	 *  context is copied to (Rx) or taken from (Tx, Op).
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| 	 */
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| 	u16 ext_buf_offset;
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| 	/* Offset within internal context to copy from
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| 	 * (Rx) or to copy to (Tx, Op).
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| 	 */
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| 	u8 int_context_offset;
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| 	/* Internal offset size to be copied */
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| 	u16 size;
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| };
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| 
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| /*  struct for defining external buffer margins */
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| struct fman_sp_buf_margins {
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| 	/* Number of bytes to be left at the beginning
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| 	 * of the external buffer (must be divisible by 16)
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| 	 */
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| 	u16 start_margins;
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| 	/* number of bytes to be left at the end
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| 	 * of the external buffer(must be divisible by 16)
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| 	 */
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| 	u16 end_margins;
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| };
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| 
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| struct fman_sp_buffer_offsets {
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| 	u32 data_offset;
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| 	u32 prs_result_offset;
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| 	u32 time_stamp_offset;
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| 	u32 hash_result_offset;
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| };
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| 
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| int fman_sp_build_buffer_struct(struct fman_sp_int_context_data_copy
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| 				*int_context_data_copy,
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| 				struct fman_buffer_prefix_content
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| 				*buffer_prefix_content,
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| 				struct fman_sp_buf_margins *buf_margins,
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| 				struct fman_sp_buffer_offsets
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| 				*buffer_offsets,
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| 				u8 *internal_buf_offset);
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| 
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| void fman_sp_set_buf_pools_in_asc_order_of_buf_sizes(struct fman_ext_pools
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| 						     *fm_ext_pools,
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| 						     u8 *ordered_array,
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| 						     u16 *sizes_array);
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| 
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| #endif	/* __FM_SP_H */
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