2024-04-28 06:49:01 -07:00
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/*
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* Copyright (C) 2020, Samsung Electronics Co. Ltd. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef __SHUB_COMM_H__
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#define __SHUB_COMM_H__
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#include <linux/kernel.h>
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#include "shub_cmd.h"
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2024-04-28 06:51:13 -07:00
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struct shub_msg {
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u8 cmd;
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u8 type;
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u8 subcmd;
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u16 total_length;
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u16 length;
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u64 timestamp;
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char *buffer;
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bool is_empty_pending_list;
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struct completion *done;
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struct list_head list;
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} __attribute__((__packed__));
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#define SHUB_CMD_SIZE 64
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#define SHUB_MSG_HEADER_SIZE offsetof(struct shub_msg, buffer)
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#define SHUB_MSG_BUFFER_SIZE (SHUB_CMD_SIZE - SHUB_MSG_HEADER_SIZE)
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2024-04-28 06:49:01 -07:00
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int shub_send_command(u8 cmd, u8 type, u8 subcmd, char *send_buf, int send_buf_len);
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int shub_send_command_wait(u8 cmd, u8 type, u8 subcmd, int timeout, char *send_buf, int send_buf_len,
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char **receive_buf, int *receive_buf_len, bool reset);
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void handle_packet(char *packet, int packet_size);
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int get_cnt_comm_fail(void);
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int get_cnt_timeout(void);
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int init_comm_to_hub(void);
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void exit_comm_to_hub(void);
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void stop_comm_to_hub(void);
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#endif /* __SHUB_COMM_H__ */
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