xref: /openbmc/linux/drivers/net/ipa/ipa_gsi.c (revision a21c1f02)
1c3f398b1SAlex Elder // SPDX-License-Identifier: GPL-2.0
2c3f398b1SAlex Elder 
3c3f398b1SAlex Elder /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
4c3f398b1SAlex Elder  * Copyright (C) 2019-2020 Linaro Ltd.
5c3f398b1SAlex Elder  */
6c3f398b1SAlex Elder 
7c3f398b1SAlex Elder #include <linux/types.h>
8c3f398b1SAlex Elder 
9a21c1f02SAlex Elder #include "ipa_gsi.h"
10c3f398b1SAlex Elder #include "gsi_trans.h"
11c3f398b1SAlex Elder #include "ipa.h"
12c3f398b1SAlex Elder #include "ipa_endpoint.h"
13c3f398b1SAlex Elder #include "ipa_data.h"
14c3f398b1SAlex Elder 
ipa_gsi_trans_complete(struct gsi_trans * trans)15c3f398b1SAlex Elder void ipa_gsi_trans_complete(struct gsi_trans *trans)
16c3f398b1SAlex Elder {
17c3f398b1SAlex Elder 	struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi);
18c3f398b1SAlex Elder 
19c3f398b1SAlex Elder 	ipa_endpoint_trans_complete(ipa->channel_map[trans->channel_id], trans);
20c3f398b1SAlex Elder }
21c3f398b1SAlex Elder 
ipa_gsi_trans_release(struct gsi_trans * trans)22c3f398b1SAlex Elder void ipa_gsi_trans_release(struct gsi_trans *trans)
23c3f398b1SAlex Elder {
24c3f398b1SAlex Elder 	struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi);
25c3f398b1SAlex Elder 
26c3f398b1SAlex Elder 	ipa_endpoint_trans_release(ipa->channel_map[trans->channel_id], trans);
27c3f398b1SAlex Elder }
28c3f398b1SAlex Elder 
ipa_gsi_channel_tx_queued(struct gsi * gsi,u32 channel_id,u32 count,u32 byte_count)29c3f398b1SAlex Elder void ipa_gsi_channel_tx_queued(struct gsi *gsi, u32 channel_id, u32 count,
30c3f398b1SAlex Elder 			       u32 byte_count)
31c3f398b1SAlex Elder {
32c3f398b1SAlex Elder 	struct ipa *ipa = container_of(gsi, struct ipa, gsi);
33c3f398b1SAlex Elder 	struct ipa_endpoint *endpoint;
34c3f398b1SAlex Elder 
35c3f398b1SAlex Elder 	endpoint = ipa->channel_map[channel_id];
36c3f398b1SAlex Elder 	if (endpoint->netdev)
37c3f398b1SAlex Elder 		netdev_sent_queue(endpoint->netdev, byte_count);
38c3f398b1SAlex Elder }
39c3f398b1SAlex Elder 
ipa_gsi_channel_tx_completed(struct gsi * gsi,u32 channel_id,u32 count,u32 byte_count)40c3f398b1SAlex Elder void ipa_gsi_channel_tx_completed(struct gsi *gsi, u32 channel_id, u32 count,
41c3f398b1SAlex Elder 				  u32 byte_count)
42c3f398b1SAlex Elder {
43c3f398b1SAlex Elder 	struct ipa *ipa = container_of(gsi, struct ipa, gsi);
44c3f398b1SAlex Elder 	struct ipa_endpoint *endpoint;
45c3f398b1SAlex Elder 
46c3f398b1SAlex Elder 	endpoint = ipa->channel_map[channel_id];
47c3f398b1SAlex Elder 	if (endpoint->netdev)
48c3f398b1SAlex Elder 		netdev_completed_queue(endpoint->netdev, count, byte_count);
49c3f398b1SAlex Elder }
50c3f398b1SAlex Elder 
51c3f398b1SAlex Elder /* Indicate whether an endpoint config data entry is "empty" */
ipa_gsi_endpoint_data_empty(const struct ipa_gsi_endpoint_data * data)52c3f398b1SAlex Elder bool ipa_gsi_endpoint_data_empty(const struct ipa_gsi_endpoint_data *data)
53c3f398b1SAlex Elder {
54c3f398b1SAlex Elder 	return data->ee_id == GSI_EE_AP && !data->channel.tlv_count;
55c3f398b1SAlex Elder }
56