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 */ 104