xref: /linux/drivers/interconnect/mediatek/icc-emi.h (revision 6efc0ab3b05de0d7bab8ec0597214e4788251071)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (c) 2021 MediaTek Inc.
4  * Copyright (c) 2024 Collabora Ltd.
5  *                    AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
6  */
7 
8 #ifndef __DRIVERS_INTERCONNECT_MEDIATEK_ICC_EMI_H
9 #define __DRIVERS_INTERCONNECT_MEDIATEK_ICC_EMI_H
10 
11 /**
12  * struct mtk_icc_node - Mediatek EMI Interconnect Node
13  * @name:      The interconnect node name which is shown in debugfs
14  * @ep:        Type of this endpoint
15  * @id:        Unique node identifier
16  * @sum_avg:   Current sum aggregate value of all average bw requests in kBps
17  * @max_peak:  Current max aggregate value of all peak bw requests in kBps
18  * @num_links: The total number of @links
19  * @links:     Array of @id linked to this node
20  */
21 struct mtk_icc_node {
22 	unsigned char *name;
23 	int ep;
24 	u16 id;
25 	u64 sum_avg;
26 	u64 max_peak;
27 
28 	u16 num_links;
29 	u16 links[] __counted_by(num_links);
30 };
31 
32 struct mtk_icc_desc {
33 	struct mtk_icc_node **nodes;
34 	size_t num_nodes;
35 };
36 
37 int mtk_emi_icc_probe(struct platform_device *pdev);
38 void mtk_emi_icc_remove(struct platform_device *pdev);
39 
40 #endif /* __DRIVERS_INTERCONNECT_MEDIATEK_ICC_EMI_H */
41