soc: qcom: ipa: IPA interface to GSI

// SPDX-License-Identifier: GPL-2.0

/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.

 * Copyright (C) 2019-2020 Linaro Ltd.

 */

#include <linux/types.h>

#include "gsi_trans.h"

#include "ipa.h"

#include "ipa_endpoint.h"

#include "ipa_data.h"

void ipa_gsi_trans_complete(struct gsi_trans *trans)

{

	struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi);

	ipa_endpoint_trans_complete(ipa->channel_map[trans->channel_id], trans);

}

void ipa_gsi_trans_release(struct gsi_trans *trans)

{

	struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi);

	ipa_endpoint_trans_release(ipa->channel_map[trans->channel_id], trans);

}

void ipa_gsi_channel_tx_queued(struct gsi *gsi, u32 channel_id, u32 count,

			       u32 byte_count)

{

	struct ipa *ipa = container_of(gsi, struct ipa, gsi);

	struct ipa_endpoint *endpoint;

	endpoint = ipa->channel_map[channel_id];

	if (endpoint->netdev)

		netdev_sent_queue(endpoint->netdev, byte_count);

}

void ipa_gsi_channel_tx_completed(struct gsi *gsi, u32 channel_id, u32 count,

				  u32 byte_count)

{

	struct ipa *ipa = container_of(gsi, struct ipa, gsi);

	struct ipa_endpoint *endpoint;

	endpoint = ipa->channel_map[channel_id];

	if (endpoint->netdev)

		netdev_completed_queue(endpoint->netdev, count, byte_count);

}

/* Indicate whether an endpoint config data entry is "empty" */

bool ipa_gsi_endpoint_data_empty(const struct ipa_gsi_endpoint_data *data)

{

	return data->ee_id == GSI_EE_AP && !data->channel.tlv_count;

}

/* SPDX-License-Identifier: GPL-2.0 */

/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.

 * Copyright (C) 2019-2020 Linaro Ltd.

 */

#ifndef _IPA_GSI_TRANS_H_

#define _IPA_GSI_TRANS_H_

#include <linux/types.h>

struct gsi_trans;

/**

 * ipa_gsi_trans_complete() - GSI transaction completion callback

 * @trans:	Transaction that has completed

 *

 * This called from the GSI layer to notify the IPA layer that a

 * transaction has completed.

 */

void ipa_gsi_trans_complete(struct gsi_trans *trans);

/**

 * ipa_gsi_trans_release() - GSI transaction release callback

 * @trans:	Transaction whose resources should be freed

 *

 * This called from the GSI layer to notify the IPA layer that a

 * transaction is about to be freed, so any resources associated

 * with it should be released.

 */

void ipa_gsi_trans_release(struct gsi_trans *trans);

/**

 * ipa_gsi_channel_tx_queued() - GSI queued to hardware notification

 * @gsi:	GSI pointer

 * @channel_id:	Channel number

 * @count:	Number of transactions queued

 * @byte_count:	Number of bytes to transfer represented by transactions

 *

 * This called from the GSI layer to notify the IPA layer that some

 * number of transactions have been queued to hardware for execution.

 */

void ipa_gsi_channel_tx_queued(struct gsi *gsi, u32 channel_id, u32 count,

			       u32 byte_count);

/**

 * ipa_gsi_trans_complete() - GSI transaction completion callback

ipa_gsi_channel_tx_completed()

 * @gsi:	GSI pointer

 * @channel_id:	Channel number

 * @count:	Number of transactions completed since last report

 * @byte_count:	Number of bytes transferred represented by transactions

 *

 * This called from the GSI layer to notify the IPA layer that the hardware

 * has reported the completion of some number of transactions.

 */

void ipa_gsi_channel_tx_completed(struct gsi *gsi, u32 channel_id, u32 count,

				  u32 byte_count);

bool ipa_gsi_endpoint_data_empty(const struct ipa_gsi_endpoint_data *data);

#endif /* _IPA_GSI_TRANS_H_ */