96 lines
2.4 KiB
C
96 lines
2.4 KiB
C
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// Copyright 2020-2022 Beken
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef _mb_chnl_buff_h_
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#define _mb_chnl_buff_h_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <common/bk_typedef.h>
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#include <common/bk_err.h>
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#include <driver/mailbox_channel.h>
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#if (CONFIG_CPU_CNT > 1)
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#define MB_CHNL_BUFF_LEN 128
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typedef union
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{
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struct
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{
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mb_chnl_hdr_t chnl_hdr;
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void * data_buff;
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u16 data_len;
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};
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mb_chnl_cmd_t mb_cmd;
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mb_chnl_ack_t mb_ack;
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} mb_buff_hdr_t;
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/**
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* @brief get the tx buffer address in swap region for data copy.
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*
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* This API get the memory address to copy data into it.
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*
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* @chnl_id mailbox logical channel ID.
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*
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* @attention if one channel uses data copy (via swap region) for communication instead of data pointer,
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* it should firtly map it in chni_id_map[].
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*
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* @return
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* - NULL: if the channel ID is not valid or not mapped in chni_id_map[].
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* - address of tx buffer in swap region if success.
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*/
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void * mb_chnl_get_tx_buff(u8 chnl_id);
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/**
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* @brief get the rx buffer address in swap region for data copy.
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*
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* This API get the memory address to copy data from it.
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*
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* @chnl_id mailbox logical channel ID.
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*
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* @attention if one channel uses data copy (via swap region) for communication instead of data pointer,
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* it should firtly map it in chni_id_map[].
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*
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* @return
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* - NULL: if the channel ID is not valid or not mapped in chni_id_map[].
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* - address of rx buffer in swap region if success.
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*/
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void * mb_chnl_get_rx_buff(u8 chnl_id);
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/**
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* @brief get the size of tx/rx buffer.
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*
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* @param
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* - void
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*
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* @attention
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*
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* @return
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* - the configured tx/rx buffer size (in bytes) for every channel.
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*/
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u32 mb_chnl_get_buff_len(void);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _mb_chnl_buff_h_ */
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