104 lines
3.6 KiB
C
104 lines
3.6 KiB
C
/*
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* Copyright 2008 - 2015 Freescale Semiconductor Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Freescale Semiconductor nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* ALTERNATIVELY, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") as published by the Free Software
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* Foundation, either version 2 of that License or (at your option) any
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* later version.
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*
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* THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __FM_SP_H
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#define __FM_SP_H
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#include "fman.h"
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#include <linux/types.h>
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#define ILLEGAL_BASE (~0)
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/* defaults */
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#define DFLT_FM_SP_BUFFER_PREFIX_CONTEXT_DATA_ALIGN 64
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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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/* 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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/* 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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/* 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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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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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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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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#endif /* __FM_SP_H */
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