include/phy_interface.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Copyright 2011 Freescale Semiconductor, Inc.
   4  * Copyright 2020 NXP
   5  *      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
  13 #include <string.h>
  14
  15 typedef enum {
  16         PHY_INTERFACE_MODE_MII,
  17         PHY_INTERFACE_MODE_GMII,
  18         PHY_INTERFACE_MODE_SGMII,
  19         PHY_INTERFACE_MODE_SGMII_2500,
  20         PHY_INTERFACE_MODE_QSGMII,
  21         PHY_INTERFACE_MODE_TBI,
  22         PHY_INTERFACE_MODE_RMII,
  23         PHY_INTERFACE_MODE_RGMII,
  24         PHY_INTERFACE_MODE_RGMII_ID,
  25         PHY_INTERFACE_MODE_RGMII_RXID,
  26         PHY_INTERFACE_MODE_RGMII_TXID,
  27         PHY_INTERFACE_MODE_RTBI,
  28         PHY_INTERFACE_MODE_XGMII,
  29         PHY_INTERFACE_MODE_XAUI,
  30         PHY_INTERFACE_MODE_RXAUI,
  31         PHY_INTERFACE_MODE_SFI,
  32         PHY_INTERFACE_MODE_INTERNAL,
  33         PHY_INTERFACE_MODE_25G_AUI,
  34         PHY_INTERFACE_MODE_XLAUI,
  35         PHY_INTERFACE_MODE_CAUI2,
  36         PHY_INTERFACE_MODE_CAUI4,
  37         PHY_INTERFACE_MODE_NCSI,
  38         PHY_INTERFACE_MODE_XFI,
  39         PHY_INTERFACE_MODE_USXGMII,
  40         PHY_INTERFACE_MODE_NONE,        /* Must be last */
  41
  42         PHY_INTERFACE_MODE_COUNT,
  43 } phy_interface_t;
  44
  45 static const char * const phy_interface_strings[] = {
  46         [PHY_INTERFACE_MODE_MII]                = "mii",
  47         [PHY_INTERFACE_MODE_GMII]               = "gmii",
  48         [PHY_INTERFACE_MODE_SGMII]              = "sgmii",
  49         [PHY_INTERFACE_MODE_SGMII_2500]         = "sgmii-2500",
  50         [PHY_INTERFACE_MODE_QSGMII]             = "qsgmii",
  51         [PHY_INTERFACE_MODE_TBI]                = "tbi",
  52         [PHY_INTERFACE_MODE_RMII]               = "rmii",
  53         [PHY_INTERFACE_MODE_RGMII]              = "rgmii",
  54         [PHY_INTERFACE_MODE_RGMII_ID]           = "rgmii-id",
  55         [PHY_INTERFACE_MODE_RGMII_RXID]         = "rgmii-rxid",
  56         [PHY_INTERFACE_MODE_RGMII_TXID]         = "rgmii-txid",
  57         [PHY_INTERFACE_MODE_RTBI]               = "rtbi",
  58         [PHY_INTERFACE_MODE_XGMII]              = "xgmii",
  59         [PHY_INTERFACE_MODE_XAUI]               = "xaui",
  60         [PHY_INTERFACE_MODE_RXAUI]              = "rxaui",
  61         [PHY_INTERFACE_MODE_SFI]                = "sfi",
  62         [PHY_INTERFACE_MODE_INTERNAL]           = "internal",
  63         [PHY_INTERFACE_MODE_25G_AUI]            = "25g-aui",
  64         [PHY_INTERFACE_MODE_XLAUI]              = "xlaui4",
  65         [PHY_INTERFACE_MODE_CAUI2]              = "caui2",
  66         [PHY_INTERFACE_MODE_CAUI4]              = "caui4",
  67         [PHY_INTERFACE_MODE_NCSI]               = "NC-SI",
  68         [PHY_INTERFACE_MODE_XFI]                = "xfi",
  69         [PHY_INTERFACE_MODE_USXGMII]            = "usxgmii",
  70         [PHY_INTERFACE_MODE_NONE]               = "",
  71 };
  72
  73 /* Backplane modes:
  74  * are considered a sub-type of phy_interface_t: XGMII
  75  * and are specified in "phy-connection-type" with one of the following strings
  76  */
  77 static const char * const backplane_mode_strings[] = {
  78         "10gbase-kr",
  79         "40gbase-kr4",
  80 };
  81
  82 static inline const char *phy_string_for_interface(phy_interface_t i)
  83 {
  84         /* Default to unknown */
  85         if (i > PHY_INTERFACE_MODE_NONE)
  86                 i = PHY_INTERFACE_MODE_NONE;
  87
  88         return phy_interface_strings[i];
  89 }
  90
  91 static inline bool is_backplane_mode(const char *phyconn)
  92 {
  93         int i;
  94
  95         if (!phyconn)
  96                 return false;
  97         for (i = 0; i < ARRAY_SIZE(backplane_mode_strings); i++) {
  98                 if (!strcmp(phyconn, backplane_mode_strings[i]))
  99                         return true;
 100         }
 101         return false;
 102 }
 103
 104 #endif /* _PHY_INTERFACE_H */