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_NA, /* don't touch */
  17         PHY_INTERFACE_MODE_MII,
  18         PHY_INTERFACE_MODE_GMII,
  19         PHY_INTERFACE_MODE_SGMII,
  20         PHY_INTERFACE_MODE_SGMII_2500,
  21         PHY_INTERFACE_MODE_QSGMII,
  22         PHY_INTERFACE_MODE_TBI,
  23         PHY_INTERFACE_MODE_RMII,
  24         PHY_INTERFACE_MODE_RGMII,
  25         PHY_INTERFACE_MODE_RGMII_ID,
  26         PHY_INTERFACE_MODE_RGMII_RXID,
  27         PHY_INTERFACE_MODE_RGMII_TXID,
  28         PHY_INTERFACE_MODE_RTBI,
  29         PHY_INTERFACE_MODE_1000BASEX,
  30         PHY_INTERFACE_MODE_2500BASEX,
  31         PHY_INTERFACE_MODE_XGMII,
  32         PHY_INTERFACE_MODE_XAUI,
  33         PHY_INTERFACE_MODE_RXAUI,
  34         PHY_INTERFACE_MODE_SFI,
  35         PHY_INTERFACE_MODE_INTERNAL,
  36         PHY_INTERFACE_MODE_25G_AUI,
  37         PHY_INTERFACE_MODE_XLAUI,
  38         PHY_INTERFACE_MODE_CAUI2,
  39         PHY_INTERFACE_MODE_CAUI4,
  40         PHY_INTERFACE_MODE_NCSI,
  41         PHY_INTERFACE_MODE_10GBASER,
  42         PHY_INTERFACE_MODE_USXGMII,
  43         PHY_INTERFACE_MODE_MAX,
  44 } phy_interface_t;
  45
  46 static const char * const phy_interface_strings[] = {
  47         [PHY_INTERFACE_MODE_NA]         = "",
  48         [PHY_INTERFACE_MODE_MII]                = "mii",
  49         [PHY_INTERFACE_MODE_GMII]               = "gmii",
  50         [PHY_INTERFACE_MODE_SGMII]              = "sgmii",
  51         [PHY_INTERFACE_MODE_SGMII_2500]         = "sgmii-2500",
  52         [PHY_INTERFACE_MODE_QSGMII]             = "qsgmii",
  53         [PHY_INTERFACE_MODE_TBI]                = "tbi",
  54         [PHY_INTERFACE_MODE_RMII]               = "rmii",
  55         [PHY_INTERFACE_MODE_RGMII]              = "rgmii",
  56         [PHY_INTERFACE_MODE_RGMII_ID]           = "rgmii-id",
  57         [PHY_INTERFACE_MODE_RGMII_RXID]         = "rgmii-rxid",
  58         [PHY_INTERFACE_MODE_RGMII_TXID]         = "rgmii-txid",
  59         [PHY_INTERFACE_MODE_RTBI]               = "rtbi",
  60         [PHY_INTERFACE_MODE_1000BASEX]          = "1000base-x",
  61         [PHY_INTERFACE_MODE_2500BASEX]          = "2500base-x",
  62         [PHY_INTERFACE_MODE_XGMII]              = "xgmii",
  63         [PHY_INTERFACE_MODE_XAUI]               = "xaui",
  64         [PHY_INTERFACE_MODE_RXAUI]              = "rxaui",
  65         [PHY_INTERFACE_MODE_SFI]                = "sfi",
  66         [PHY_INTERFACE_MODE_INTERNAL]           = "internal",
  67         [PHY_INTERFACE_MODE_25G_AUI]            = "25g-aui",
  68         [PHY_INTERFACE_MODE_XLAUI]              = "xlaui4",
  69         [PHY_INTERFACE_MODE_CAUI2]              = "caui2",
  70         [PHY_INTERFACE_MODE_CAUI4]              = "caui4",
  71         [PHY_INTERFACE_MODE_NCSI]               = "NC-SI",
  72         [PHY_INTERFACE_MODE_10GBASER]           = "10gbase-r",
  73         [PHY_INTERFACE_MODE_USXGMII]            = "usxgmii",
  74 };
  75
  76 /* Backplane modes:
  77  * are considered a sub-type of phy_interface_t: XGMII
  78  * and are specified in "phy-connection-type" with one of the following strings
  79  */
  80 static const char * const backplane_mode_strings[] = {
  81         "10gbase-kr",
  82         "40gbase-kr4",
  83 };
  84
  85 static inline const char *phy_string_for_interface(phy_interface_t i)
  86 {
  87         /* Default to unknown */
  88         if (i > PHY_INTERFACE_MODE_NA)
  89                 i = PHY_INTERFACE_MODE_NA;
  90
  91         return phy_interface_strings[i];
  92 }
  93
  94 static inline bool is_backplane_mode(const char *phyconn)
  95 {
  96         int i;
  97
  98         if (!phyconn)
  99                 return false;
 100         for (i = 0; i < ARRAY_SIZE(backplane_mode_strings); i++) {
 101                 if (!strcmp(phyconn, backplane_mode_strings[i]))
 102                         return true;
 103         }
 104         return false;
 105 }
 106
 107 #endif /* _PHY_INTERFACE_H */