include/miiphy.h

   1 /*
   2  * SPDX-License-Identifier:     GPL-2.0 IBM-pibs
   3  *
   4  * Additions (C) Copyright 2009 Industrie Dial Face S.p.A.
   5  */
   6 /*----------------------------------------------------------------------------+
   7 |
   8 |  File Name:   miiphy.h
   9 |
  10 |  Function:    Include file defining PHY registers.
  11 |
  12 |  Author:      Mark Wisner
  13 |
  14 +----------------------------------------------------------------------------*/
  15 #ifndef _miiphy_h_
  16 #define _miiphy_h_
  17
  18 #include <common.h>
  19 #include <linux/mii.h>
  20 #include <linux/list.h>
  21 #include <net.h>
  22 #include <phy.h>
  23
  24 int miiphy_read(const char *devname, unsigned char addr, unsigned char reg,
  25                  unsigned short *value);
  26 int miiphy_write(const char *devname, unsigned char addr, unsigned char reg,
  27                   unsigned short value);
  28 int miiphy_info(const char *devname, unsigned char addr, unsigned int *oui,
  29                  unsigned char *model, unsigned char *rev);
  30 int miiphy_reset(const char *devname, unsigned char addr);
  31 int miiphy_speed(const char *devname, unsigned char addr);
  32 int miiphy_duplex(const char *devname, unsigned char addr);
  33 int miiphy_is_1000base_x(const char *devname, unsigned char addr);
  34 #ifdef CONFIG_SYS_FAULT_ECHO_LINK_DOWN
  35 int miiphy_link(const char *devname, unsigned char addr);
  36 #endif
  37
  38 void miiphy_init(void);
  39
  40 int miiphy_set_current_dev(const char *devname);
  41 const char *miiphy_get_current_dev(void);
  42 struct mii_dev *mdio_get_current_dev(void);
  43 struct mii_dev *miiphy_get_dev_by_name(const char *devname);
  44 struct phy_device *mdio_phydev_for_ethname(const char *devname);
  45
  46 void miiphy_listdev(void);
  47
  48 struct mii_dev *mdio_alloc(void);
  49 void mdio_free(struct mii_dev *bus);
  50 int mdio_register(struct mii_dev *bus);
  51
  52 /**
  53  * mdio_register_seq - Register mdio bus with sequence number
  54  * @bus: mii device structure
  55  * @seq: sequence number
  56  *
  57  * Return: 0 if success, negative value if error
  58  */
  59 int mdio_register_seq(struct mii_dev *bus, int seq);
  60 int mdio_unregister(struct mii_dev *bus);
  61 void mdio_list_devices(void);
  62
  63 #ifdef CONFIG_BITBANGMII
  64
  65 #define BB_MII_DEVNAME  "bb_miiphy"
  66
  67 struct bb_miiphy_bus {
  68         char name[16];
  69         int (*init)(struct bb_miiphy_bus *bus);
  70         int (*mdio_active)(struct bb_miiphy_bus *bus);
  71         int (*mdio_tristate)(struct bb_miiphy_bus *bus);
  72         int (*set_mdio)(struct bb_miiphy_bus *bus, int v);
  73         int (*get_mdio)(struct bb_miiphy_bus *bus, int *v);
  74         int (*set_mdc)(struct bb_miiphy_bus *bus, int v);
  75         int (*delay)(struct bb_miiphy_bus *bus);
  76 #ifdef CONFIG_BITBANGMII_MULTI
  77         void *priv;
  78 #endif
  79 };
  80
  81 extern struct bb_miiphy_bus bb_miiphy_buses[];
  82 extern int bb_miiphy_buses_num;
  83
  84 void bb_miiphy_init(void);
  85 int bb_miiphy_read(struct mii_dev *miidev, int addr, int devad, int reg);
  86 int bb_miiphy_write(struct mii_dev *miidev, int addr, int devad, int reg,
  87                     u16 value);
  88 #endif
  89
  90 /* phy seed setup */
  91 #define AUTO                    99
  92 #define _1000BASET              1000
  93 #define _100BASET               100
  94 #define _10BASET                10
  95 #define HALF                    22
  96 #define FULL                    44
  97
  98 /* phy register offsets */
  99 #define MII_MIPSCR              0x11
 100
 101 /* MII_LPA */
 102 #define PHY_ANLPAR_PSB_802_3    0x0001
 103 #define PHY_ANLPAR_PSB_802_9    0x0002
 104
 105 /* MII_CTRL1000 masks */
 106 #define PHY_1000BTCR_1000FD     0x0200
 107 #define PHY_1000BTCR_1000HD     0x0100
 108
 109 /* MII_STAT1000 masks */
 110 #define PHY_1000BTSR_MSCF       0x8000
 111 #define PHY_1000BTSR_MSCR       0x4000
 112 #define PHY_1000BTSR_LRS        0x2000
 113 #define PHY_1000BTSR_RRS        0x1000
 114 #define PHY_1000BTSR_1000FD     0x0800
 115 #define PHY_1000BTSR_1000HD     0x0400
 116
 117 /* phy EXSR */
 118 #define ESTATUS_1000XF          0x8000
 119 #define ESTATUS_1000XH          0x4000
 120
 121 #endif