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