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1/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later */
2/*
3 * Copyright 2008 - 2015 Freescale Semiconductor Inc.
4 */
5
6#ifndef __FM_SP_H
7#define __FM_SP_H
8
9#include "fman.h"
10#include <linux/types.h>
11
12#define ILLEGAL_BASE (~0)
13
14/* defaults */
15#define DFLT_FM_SP_BUFFER_PREFIX_CONTEXT_DATA_ALIGN 64
16
17/* Registers bit fields */
18#define FMAN_SP_EXT_BUF_POOL_EN_COUNTER 0x40000000
19#define FMAN_SP_EXT_BUF_POOL_VALID 0x80000000
20#define FMAN_SP_EXT_BUF_POOL_BACKUP 0x20000000
21#define FMAN_SP_DMA_ATTR_WRITE_OPTIMIZE 0x00100000
22#define FMAN_SP_SG_DISABLE 0x80000000
23
24/* shifts */
25#define FMAN_SP_EXT_BUF_MARG_START_SHIFT 16
26#define FMAN_SP_DMA_ATTR_SWP_SHIFT 30
27#define FMAN_SP_IC_TO_EXT_SHIFT 16
28#define FMAN_SP_IC_FROM_INT_SHIFT 8
29
30/* structure for defining internal context copying */
31struct fman_sp_int_context_data_copy {
32 /* < Offset in External buffer to which internal
33 * context is copied to (Rx) or taken from (Tx, Op).
34 */
35 u16 ext_buf_offset;
36 /* Offset within internal context to copy from
37 * (Rx) or to copy to (Tx, Op).
38 */
39 u8 int_context_offset;
40 /* Internal offset size to be copied */
41 u16 size;
42};
43
44/* struct for defining external buffer margins */
45struct fman_sp_buf_margins {
46 /* Number of bytes to be left at the beginning
47 * of the external buffer (must be divisible by 16)
48 */
49 u16 start_margins;
50 /* number of bytes to be left at the end
51 * of the external buffer(must be divisible by 16)
52 */
53 u16 end_margins;
54};
55
56struct fman_sp_buffer_offsets {
57 u32 data_offset;
58 u32 prs_result_offset;
59 u32 time_stamp_offset;
60 u32 hash_result_offset;
61};
62
63int fman_sp_build_buffer_struct(struct fman_sp_int_context_data_copy
64 *int_context_data_copy,
65 struct fman_buffer_prefix_content
66 *buffer_prefix_content,
67 struct fman_sp_buf_margins *buf_margins,
68 struct fman_sp_buffer_offsets
69 *buffer_offsets,
70 u8 *internal_buf_offset);
71
72void fman_sp_set_buf_pools_in_asc_order_of_buf_sizes(struct fman_ext_pools
73 *fm_ext_pools,
74 u8 *ordered_array,
75 u16 *sizes_array);
76
77#endif /* __FM_SP_H */
1/*
2 * Copyright 2008 - 2015 Freescale Semiconductor Inc.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 * * Redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer.
8 * * Redistributions in binary form must reproduce the above copyright
9 * notice, this list of conditions and the following disclaimer in the
10 * documentation and/or other materials provided with the distribution.
11 * * Neither the name of Freescale Semiconductor nor the
12 * names of its contributors may be used to endorse or promote products
13 * derived from this software without specific prior written permission.
14 *
15 * ALTERNATIVELY, this software may be distributed under the terms of the
16 * GNU General Public License ("GPL") as published by the Free Software
17 * Foundation, either version 2 of that License or (at your option) any
18 * later version.
19 *
20 * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
21 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
22 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
23 * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
24 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
25 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
27 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef __FM_SP_H
33#define __FM_SP_H
34
35#include "fman.h"
36#include <linux/types.h>
37
38#define ILLEGAL_BASE (~0)
39
40/* defaults */
41#define DFLT_FM_SP_BUFFER_PREFIX_CONTEXT_DATA_ALIGN 64
42
43/* Registers bit fields */
44#define FMAN_SP_EXT_BUF_POOL_EN_COUNTER 0x40000000
45#define FMAN_SP_EXT_BUF_POOL_VALID 0x80000000
46#define FMAN_SP_EXT_BUF_POOL_BACKUP 0x20000000
47#define FMAN_SP_DMA_ATTR_WRITE_OPTIMIZE 0x00100000
48#define FMAN_SP_SG_DISABLE 0x80000000
49
50/* shifts */
51#define FMAN_SP_EXT_BUF_MARG_START_SHIFT 16
52#define FMAN_SP_DMA_ATTR_SWP_SHIFT 30
53#define FMAN_SP_IC_TO_EXT_SHIFT 16
54#define FMAN_SP_IC_FROM_INT_SHIFT 8
55
56/* structure for defining internal context copying */
57struct fman_sp_int_context_data_copy {
58 /* < Offset in External buffer to which internal
59 * context is copied to (Rx) or taken from (Tx, Op).
60 */
61 u16 ext_buf_offset;
62 /* Offset within internal context to copy from
63 * (Rx) or to copy to (Tx, Op).
64 */
65 u8 int_context_offset;
66 /* Internal offset size to be copied */
67 u16 size;
68};
69
70/* struct for defining external buffer margins */
71struct fman_sp_buf_margins {
72 /* Number of bytes to be left at the beginning
73 * of the external buffer (must be divisible by 16)
74 */
75 u16 start_margins;
76 /* number of bytes to be left at the end
77 * of the external buffer(must be divisible by 16)
78 */
79 u16 end_margins;
80};
81
82struct fman_sp_buffer_offsets {
83 u32 data_offset;
84 u32 prs_result_offset;
85 u32 time_stamp_offset;
86 u32 hash_result_offset;
87};
88
89int fman_sp_build_buffer_struct(struct fman_sp_int_context_data_copy
90 *int_context_data_copy,
91 struct fman_buffer_prefix_content
92 *buffer_prefix_content,
93 struct fman_sp_buf_margins *buf_margins,
94 struct fman_sp_buffer_offsets
95 *buffer_offsets,
96 u8 *internal_buf_offset);
97
98void fman_sp_set_buf_pools_in_asc_order_of_buf_sizes(struct fman_ext_pools
99 *fm_ext_pools,
100 u8 *ordered_array,
101 u16 *sizes_array);
102
103#endif /* __FM_SP_H */