/*
<:copyright-BRCM:2014:DUAL/GPL:standard

   Copyright (c) 2014 Broadcom Corporation
   All Rights Reserved

Unless you and Broadcom execute a separate written software license
agreement governing use of this software, this software is licensed
to you under the terms of the GNU General Public License version 2
(the "GPL"), available at http://www.broadcom.com/licenses/GPLv2.php,
with the following added to such license:

   As a special exception, the copyright holders of this software give
   you permission to link this software with independent modules, and
   to copy and distribute the resulting executable under terms of your
   choice, provided that you also meet, for each linked independent
   module, the terms and conditions of the license of that module.
   An independent module is a module which is not derived from this
   software.  The special exception does not apply to any modifications
   of the software.

Not withstanding the above, under no circumstances may you combine
this software in any way with any other Broadcom software provided
under a license other than the GPL, without Broadcom's express prior
written consent.

:>
 */

#ifndef _BCMOLT_IMAGE_TRANSFER_H_
#define _BCMOLT_IMAGE_TRANSFER_H_

#include <bcmolt_model_types.h>
#include <bcmos_system.h>

/* Returns a data block of given size of given image type at given offset. */
typedef int (*bcmuser_mftp_image_read)(bcmolt_devid device, bcmolt_device_image_type image_type,
    uint32_t offset, uint8_t *buf, uint32_t buf_size);

/* Returns the size of data block which is used for the data transfer. */
typedef uint32_t (*bcmuser_mftp_block_size_get)(void);

/* Returns the CRC32 checksum of entire image. */
typedef uint32_t (*bcmuser_mftp_crc_get)(bcmolt_devid device,
    bcmolt_device_image_type image_type);

/* Callback to notify the user of the completion of the image transfer. */
typedef void (*bcmuser_mftp_notification_rx)(bcmolt_devid device,
    bcmolt_device_image_type image_type, uint32_t block_num, bcmolt_image_transfer_status status);

typedef enum
{
    MFTP_STATUS_DISABLED,
    MFTP_STATUS_WAITING_ACK,
    MFTP_STATUS_WAITING_LAST_ACK
} mftp_status;

typedef struct
{
    /* runtime parameters */
    mftp_status status;
    uint32_t block_num;     /* block number sent. */
    bcmolt_device_image_type image_type;

    /* init-time parameters */
    uint32_t block_size;
    uint8_t *buf;
    char name[MAX_TIMER_NAME_SIZE];
    bcmos_task task;
    bcmos_module_id module_id;
    bcmos_timer timer;
    dev_log_id log_id;
} mftp_context;


const char *bcmolt_user_mftp_status_to_str(bcmolt_image_transfer_status status);

/** handler for the OPERATION device.image_transfer_start. */
bcmos_errno bcmolt_user_mftp_start(bcmolt_devid device, bcmolt_device_image_type image_type);

/** Initializes the MFTP parameters. */
void bcmolt_user_mftp_init(void);

#endif