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Joe Hershbergerf5581fb2018-07-17 15:02:30 -05001/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * Copyright 2011 Freescale Semiconductor, Inc.
Florinel Iordachea618a5a2020-03-16 15:35:59 +02004 * Copyright 2020 NXP
Joe Hershbergerf5581fb2018-07-17 15:02:30 -05005 * Andy Fleming <afleming@gmail.com>
6 *
7 * This file pretty much stolen from Linux's mii.h/ethtool.h/phy.h
8 */
9
10#ifndef _PHY_INTERFACE_H
11#define _PHY_INTERFACE_H
12
13typedef enum {
14 PHY_INTERFACE_MODE_MII,
15 PHY_INTERFACE_MODE_GMII,
16 PHY_INTERFACE_MODE_SGMII,
17 PHY_INTERFACE_MODE_SGMII_2500,
18 PHY_INTERFACE_MODE_QSGMII,
19 PHY_INTERFACE_MODE_TBI,
20 PHY_INTERFACE_MODE_RMII,
21 PHY_INTERFACE_MODE_RGMII,
22 PHY_INTERFACE_MODE_RGMII_ID,
23 PHY_INTERFACE_MODE_RGMII_RXID,
24 PHY_INTERFACE_MODE_RGMII_TXID,
25 PHY_INTERFACE_MODE_RTBI,
26 PHY_INTERFACE_MODE_XGMII,
27 PHY_INTERFACE_MODE_XAUI,
28 PHY_INTERFACE_MODE_RXAUI,
29 PHY_INTERFACE_MODE_SFI,
30 PHY_INTERFACE_MODE_INTERNAL,
Priyanka Jainafaa0cb2018-08-27 15:15:19 +053031 PHY_INTERFACE_MODE_25G_AUI,
32 PHY_INTERFACE_MODE_XLAUI,
33 PHY_INTERFACE_MODE_CAUI2,
34 PHY_INTERFACE_MODE_CAUI4,
Samuel Mendoza-Jonasb069c4a2019-06-18 11:37:18 +100035 PHY_INTERFACE_MODE_NCSI,
Alex Marginean5219f682019-11-14 18:28:28 +020036 PHY_INTERFACE_MODE_XFI,
37 PHY_INTERFACE_MODE_USXGMII,
Joe Hershbergerf5581fb2018-07-17 15:02:30 -050038 PHY_INTERFACE_MODE_NONE, /* Must be last */
39
40 PHY_INTERFACE_MODE_COUNT,
41} phy_interface_t;
42
43static const char * const phy_interface_strings[] = {
44 [PHY_INTERFACE_MODE_MII] = "mii",
45 [PHY_INTERFACE_MODE_GMII] = "gmii",
46 [PHY_INTERFACE_MODE_SGMII] = "sgmii",
47 [PHY_INTERFACE_MODE_SGMII_2500] = "sgmii-2500",
48 [PHY_INTERFACE_MODE_QSGMII] = "qsgmii",
49 [PHY_INTERFACE_MODE_TBI] = "tbi",
50 [PHY_INTERFACE_MODE_RMII] = "rmii",
51 [PHY_INTERFACE_MODE_RGMII] = "rgmii",
52 [PHY_INTERFACE_MODE_RGMII_ID] = "rgmii-id",
53 [PHY_INTERFACE_MODE_RGMII_RXID] = "rgmii-rxid",
54 [PHY_INTERFACE_MODE_RGMII_TXID] = "rgmii-txid",
55 [PHY_INTERFACE_MODE_RTBI] = "rtbi",
56 [PHY_INTERFACE_MODE_XGMII] = "xgmii",
57 [PHY_INTERFACE_MODE_XAUI] = "xaui",
58 [PHY_INTERFACE_MODE_RXAUI] = "rxaui",
59 [PHY_INTERFACE_MODE_SFI] = "sfi",
60 [PHY_INTERFACE_MODE_INTERNAL] = "internal",
Priyanka Jainafaa0cb2018-08-27 15:15:19 +053061 [PHY_INTERFACE_MODE_25G_AUI] = "25g-aui",
62 [PHY_INTERFACE_MODE_XLAUI] = "xlaui4",
63 [PHY_INTERFACE_MODE_CAUI2] = "caui2",
64 [PHY_INTERFACE_MODE_CAUI4] = "caui4",
Samuel Mendoza-Jonasb069c4a2019-06-18 11:37:18 +100065 [PHY_INTERFACE_MODE_NCSI] = "NC-SI",
Alex Marginean5219f682019-11-14 18:28:28 +020066 [PHY_INTERFACE_MODE_XFI] = "xfi",
67 [PHY_INTERFACE_MODE_USXGMII] = "usxgmii",
Joe Hershbergerf5581fb2018-07-17 15:02:30 -050068 [PHY_INTERFACE_MODE_NONE] = "",
69};
70
Florinel Iordachea618a5a2020-03-16 15:35:59 +020071/* Backplane modes:
72 * are considered a sub-type of phy_interface_t: XGMII
73 * and are specified in "phy-connection-type" with one of the following strings
74 */
75static const char * const backplane_mode_strings[] = {
76 "10gbase-kr",
77 "40gbase-kr4",
78};
79
Joe Hershbergerf5581fb2018-07-17 15:02:30 -050080static inline const char *phy_string_for_interface(phy_interface_t i)
81{
82 /* Default to unknown */
83 if (i > PHY_INTERFACE_MODE_NONE)
84 i = PHY_INTERFACE_MODE_NONE;
85
86 return phy_interface_strings[i];
87}
88
Florinel Iordachea618a5a2020-03-16 15:35:59 +020089static inline bool is_backplane_mode(const char *phyconn)
90{
91 int i;
92
93 if (!phyconn)
94 return false;
95 for (i = 0; i < ARRAY_SIZE(backplane_mode_strings); i++) {
96 if (!strcmp(phyconn, backplane_mode_strings[i]))
97 return true;
98 }
99 return false;
100}
101
Joe Hershbergerf5581fb2018-07-17 15:02:30 -0500102#endif /* _PHY_INTERFACE_H */