include/linux/sungem_phy.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __SUNGEM_PHY_H__
   3 #define __SUNGEM_PHY_H__
   4
   5 struct mii_phy;
   6
   7 /* Operations supported by any kind of PHY */
   8 struct mii_phy_ops
   9 {
  10         int             (*init)(struct mii_phy *phy);
  11         int             (*suspend)(struct mii_phy *phy);
  12         int             (*setup_aneg)(struct mii_phy *phy, u32 advertise);
  13         int             (*setup_forced)(struct mii_phy *phy, int speed, int fd);
  14         int             (*poll_link)(struct mii_phy *phy);
  15         int             (*read_link)(struct mii_phy *phy);
  16         int             (*enable_fiber)(struct mii_phy *phy, int autoneg);
  17 };
  18
  19 /* Structure used to statically define an mii/gii based PHY */
  20 struct mii_phy_def
  21 {
  22         u32                             phy_id;         /* Concatenated ID1 << 16 | ID2 */
  23         u32                             phy_id_mask;    /* Significant bits */
  24         u32                             features;       /* Ethtool SUPPORTED_* defines */
  25         int                             magic_aneg;     /* Autoneg does all speed test for us */
  26         const char*                     name;
  27         const struct mii_phy_ops*       ops;
  28 };
  29
  30 enum {
  31         BCM54XX_COPPER,
  32         BCM54XX_FIBER,
  33         BCM54XX_GBIC,
  34         BCM54XX_SGMII,
  35         BCM54XX_UNKNOWN,
  36 };
  37
  38 /* An instance of a PHY, partially borrowed from mii_if_info */
  39 struct mii_phy
  40 {
  41         struct mii_phy_def*     def;
  42         u32                     advertising;
  43         int                     mii_id;
  44
  45         /* 1: autoneg enabled, 0: disabled */
  46         int                     autoneg;
  47
  48         /* forced speed & duplex (no autoneg)
  49          * partner speed & duplex & pause (autoneg)
  50          */
  51         int                     speed;
  52         int                     duplex;
  53         int                     pause;
  54
  55         /* Provided by host chip */
  56         struct net_device       *dev;
  57         int (*mdio_read) (struct net_device *dev, int mii_id, int reg);
  58         void (*mdio_write) (struct net_device *dev, int mii_id, int reg, int val);
  59         void                    *platform_data;
  60 };
  61
  62 /* Pass in a struct mii_phy with dev, mdio_read and mdio_write
  63  * filled, the remaining fields will be filled on return
  64  */
  65 extern int sungem_phy_probe(struct mii_phy *phy, int mii_id);
  66
  67
  68 /* MII definitions missing from mii.h */
  69
  70 #define BMCR_SPD2       0x0040          /* Gigabit enable (bcm54xx)     */
  71 #define LPA_PAUSE       0x0400
  72
  73 /* More PHY registers (model specific) */
  74
  75 /* MII BCM5201 MULTIPHY interrupt register */
  76 #define MII_BCM5201_INTERRUPT                   0x1A
  77 #define MII_BCM5201_INTERRUPT_INTENABLE         0x4000
  78
  79 #define MII_BCM5201_AUXMODE2                    0x1B
  80 #define MII_BCM5201_AUXMODE2_LOWPOWER           0x0008
  81
  82 #define MII_BCM5201_MULTIPHY                    0x1E
  83
  84 /* MII BCM5201 MULTIPHY register bits */
  85 #define MII_BCM5201_MULTIPHY_SERIALMODE         0x0002
  86 #define MII_BCM5201_MULTIPHY_SUPERISOLATE       0x0008
  87
  88 /* MII BCM5221 Additional registers */
  89 #define MII_BCM5221_TEST                        0x1f
  90 #define MII_BCM5221_TEST_ENABLE_SHADOWS         0x0080
  91 #define MII_BCM5221_SHDOW_AUX_STAT2             0x1b
  92 #define MII_BCM5221_SHDOW_AUX_STAT2_APD         0x0020
  93 #define MII_BCM5221_SHDOW_AUX_MODE4             0x1a
  94 #define MII_BCM5221_SHDOW_AUX_MODE4_IDDQMODE    0x0001
  95 #define MII_BCM5221_SHDOW_AUX_MODE4_CLKLOPWR    0x0004
  96
  97 /* MII BCM5241 Additional registers */
  98 #define MII_BCM5241_SHDOW_AUX_MODE4_STANDBYPWR  0x0008
  99
 100 /* MII BCM5400 1000-BASET Control register */
 101 #define MII_BCM5400_GB_CONTROL                  0x09
 102 #define MII_BCM5400_GB_CONTROL_FULLDUPLEXCAP    0x0200
 103
 104 /* MII BCM5400 AUXCONTROL register */
 105 #define MII_BCM5400_AUXCONTROL                  0x18
 106 #define MII_BCM5400_AUXCONTROL_PWR10BASET       0x0004
 107
 108 /* MII BCM5400 AUXSTATUS register */
 109 #define MII_BCM5400_AUXSTATUS                   0x19
 110 #define MII_BCM5400_AUXSTATUS_LINKMODE_MASK     0x0700
 111 #define MII_BCM5400_AUXSTATUS_LINKMODE_SHIFT    8
 112
 113 /* 1000BT control (Marvell & BCM54xx at least) */
 114 #define MII_1000BASETCONTROL                    0x09
 115 #define MII_1000BASETCONTROL_FULLDUPLEXCAP      0x0200
 116 #define MII_1000BASETCONTROL_HALFDUPLEXCAP      0x0100
 117
 118 /* Marvell 88E1011 PHY control */
 119 #define MII_M1011_PHY_SPEC_CONTROL              0x10
 120 #define MII_M1011_PHY_SPEC_CONTROL_MANUAL_MDIX  0x20
 121 #define MII_M1011_PHY_SPEC_CONTROL_AUTO_MDIX    0x40
 122
 123 /* Marvell 88E1011 PHY status */
 124 #define MII_M1011_PHY_SPEC_STATUS               0x11
 125 #define MII_M1011_PHY_SPEC_STATUS_1000          0x8000
 126 #define MII_M1011_PHY_SPEC_STATUS_100           0x4000
 127 #define MII_M1011_PHY_SPEC_STATUS_SPD_MASK      0xc000
 128 #define MII_M1011_PHY_SPEC_STATUS_FULLDUPLEX    0x2000
 129 #define MII_M1011_PHY_SPEC_STATUS_RESOLVED      0x0800
 130 #define MII_M1011_PHY_SPEC_STATUS_TX_PAUSE      0x0008
 131 #define MII_M1011_PHY_SPEC_STATUS_RX_PAUSE      0x0004
 132
 133 #endif /* __SUNGEM_PHY_H__ */