mse_adapter_mch.c

/*************************************************************************/ /*
 avb-mse

 Copyright (C) 2016-2017 Renesas Electronics Corporation

 License        Dual MIT/GPLv2

 The contents of this file are subject to the MIT license as set out below.

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 the GNU General Public License Version 2 ("GPL") in which case the provisions
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 not delete the provisions above, a recipient may use your version of this file
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 EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
 PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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 GPLv2:
 If you wish to use this file under the terms of GPL, following terms are
 effective.

 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
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*/ /*************************************************************************/

#undef pr_fmt
#define pr_fmt(fmt) KBUILD_MODNAME "/" fmt

#include <linux/init.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/kernel.h>

#include "ravb_mse_kernel.h"
#include "ravb_mch.h"

static struct mch_ops mch_mse_ops = {
	.owner = THIS_MODULE,
	.open = mch_open,
	.close = mch_close,
	.set_interval = mch_set_interval,
	.send_timestamps = mch_send_timestamps,
	.get_recovery_value = mch_get_recovery_value,
};

static struct mse_ptp_ops ptp_mse_ops = {
	.owner = THIS_MODULE,
	.get_time = mch_ptp_get_time,
	.open = mch_ptp_open,
	.close = mch_ptp_close,
	.capture_start = mch_ptp_capture_start,
	.capture_stop = mch_ptp_capture_stop,
	.get_timestamps = mch_ptp_get_timestamps,
	.timer_open = mch_ptp_timer_open,
	.timer_close = mch_ptp_timer_close,
	.timer_start = mch_ptp_timer_start,
	.timer_cancel = mch_ptp_timer_cancel,
};

static int mch_mse_if_instance_id;
static int ptp_mse_if_instance_id;

static int __init mse_adapter_mch_init(void)
{
	int inst_id;

	mse_debug("START\n");

	inst_id = mse_register_mch(&mch_mse_ops);
	if (inst_id < 0)
		return inst_id;

	mch_mse_if_instance_id = inst_id;

	inst_id = mse_register_ptp(&ptp_mse_ops);
	if (inst_id < 0)
		return inst_id;

	ptp_mse_if_instance_id = inst_id;

	return 0;
}

static void __exit mse_adapter_mch_exit(void)
{
	mse_debug("START\n");
	mse_unregister_mch(mch_mse_if_instance_id);
	mse_unregister_ptp(ptp_mse_if_instance_id);
}

module_init(mse_adapter_mch_init);
module_exit(mse_adapter_mch_exit);

MODULE_AUTHOR("Renesas Electronics Corporation");
MODULE_DESCRIPTION("Renesas Media Streaming Engine");
MODULE_LICENSE("Dual MIT/GPL");