xref: /OK3568_Linux_fs/kernel/drivers/net/ipa/ipa_gsi.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun 
3*4882a593Smuzhiyun /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
4*4882a593Smuzhiyun  * Copyright (C) 2019-2020 Linaro Ltd.
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include <linux/types.h>
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #include "ipa_gsi.h"
10*4882a593Smuzhiyun #include "gsi_trans.h"
11*4882a593Smuzhiyun #include "ipa.h"
12*4882a593Smuzhiyun #include "ipa_endpoint.h"
13*4882a593Smuzhiyun #include "ipa_data.h"
14*4882a593Smuzhiyun 
ipa_gsi_trans_complete(struct gsi_trans * trans)15*4882a593Smuzhiyun void ipa_gsi_trans_complete(struct gsi_trans *trans)
16*4882a593Smuzhiyun {
17*4882a593Smuzhiyun 	struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi);
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun 	ipa_endpoint_trans_complete(ipa->channel_map[trans->channel_id], trans);
20*4882a593Smuzhiyun }
21*4882a593Smuzhiyun 
ipa_gsi_trans_release(struct gsi_trans * trans)22*4882a593Smuzhiyun void ipa_gsi_trans_release(struct gsi_trans *trans)
23*4882a593Smuzhiyun {
24*4882a593Smuzhiyun 	struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi);
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun 	ipa_endpoint_trans_release(ipa->channel_map[trans->channel_id], trans);
27*4882a593Smuzhiyun }
28*4882a593Smuzhiyun 
ipa_gsi_channel_tx_queued(struct gsi * gsi,u32 channel_id,u32 count,u32 byte_count)29*4882a593Smuzhiyun void ipa_gsi_channel_tx_queued(struct gsi *gsi, u32 channel_id, u32 count,
30*4882a593Smuzhiyun 			       u32 byte_count)
31*4882a593Smuzhiyun {
32*4882a593Smuzhiyun 	struct ipa *ipa = container_of(gsi, struct ipa, gsi);
33*4882a593Smuzhiyun 	struct ipa_endpoint *endpoint;
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun 	endpoint = ipa->channel_map[channel_id];
36*4882a593Smuzhiyun 	if (endpoint->netdev)
37*4882a593Smuzhiyun 		netdev_sent_queue(endpoint->netdev, byte_count);
38*4882a593Smuzhiyun }
39*4882a593Smuzhiyun 
ipa_gsi_channel_tx_completed(struct gsi * gsi,u32 channel_id,u32 count,u32 byte_count)40*4882a593Smuzhiyun void ipa_gsi_channel_tx_completed(struct gsi *gsi, u32 channel_id, u32 count,
41*4882a593Smuzhiyun 				  u32 byte_count)
42*4882a593Smuzhiyun {
43*4882a593Smuzhiyun 	struct ipa *ipa = container_of(gsi, struct ipa, gsi);
44*4882a593Smuzhiyun 	struct ipa_endpoint *endpoint;
45*4882a593Smuzhiyun 
46*4882a593Smuzhiyun 	endpoint = ipa->channel_map[channel_id];
47*4882a593Smuzhiyun 	if (endpoint->netdev)
48*4882a593Smuzhiyun 		netdev_completed_queue(endpoint->netdev, count, byte_count);
49*4882a593Smuzhiyun }
50*4882a593Smuzhiyun 
51*4882a593Smuzhiyun /* Indicate whether an endpoint config data entry is "empty" */
ipa_gsi_endpoint_data_empty(const struct ipa_gsi_endpoint_data * data)52*4882a593Smuzhiyun bool ipa_gsi_endpoint_data_empty(const struct ipa_gsi_endpoint_data *data)
53*4882a593Smuzhiyun {
54*4882a593Smuzhiyun 	return data->ee_id == GSI_EE_AP && !data->channel.tlv_count;
55*4882a593Smuzhiyun }
56