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- /* SPDX-License-Identifier: GPL-2.0 OR IBM-pibs */
- /*
- * Additions (C) Copyright 2009 Industrie Dial Face S.p.A.
- */
- /*----------------------------------------------------------------------------+
- |
- | File Name: miiphy.h
- |
- | Function: Include file defining PHY registers.
- |
- | Author: Mark Wisner
- |
- +----------------------------------------------------------------------------*/
- #ifndef _miiphy_h_
- #define _miiphy_h_
- #include <common.h>
- #include <linux/mii.h>
- #include <linux/list.h>
- #include <net.h>
- #include <phy.h>
- int miiphy_read(const char *devname, unsigned char addr, unsigned char reg,
- unsigned short *value);
- int miiphy_write(const char *devname, unsigned char addr, unsigned char reg,
- unsigned short value);
- int miiphy_info(const char *devname, unsigned char addr, unsigned int *oui,
- unsigned char *model, unsigned char *rev);
- int miiphy_reset(const char *devname, unsigned char addr);
- int miiphy_speed(const char *devname, unsigned char addr);
- int miiphy_duplex(const char *devname, unsigned char addr);
- int miiphy_is_1000base_x(const char *devname, unsigned char addr);
- #ifdef CONFIG_SYS_FAULT_ECHO_LINK_DOWN
- int miiphy_link(const char *devname, unsigned char addr);
- #endif
- void miiphy_init(void);
- int miiphy_set_current_dev(const char *devname);
- const char *miiphy_get_current_dev(void);
- struct mii_dev *mdio_get_current_dev(void);
- struct list_head *mdio_get_list_head(void);
- struct mii_dev *miiphy_get_dev_by_name(const char *devname);
- struct phy_device *mdio_phydev_for_ethname(const char *devname);
- void miiphy_listdev(void);
- struct mii_dev *mdio_alloc(void);
- void mdio_free(struct mii_dev *bus);
- int mdio_register(struct mii_dev *bus);
- /**
- * mdio_register_seq - Register mdio bus with sequence number
- * @bus: mii device structure
- * @seq: sequence number
- *
- * Return: 0 if success, negative value if error
- */
- int mdio_register_seq(struct mii_dev *bus, int seq);
- int mdio_unregister(struct mii_dev *bus);
- void mdio_list_devices(void);
- #ifdef CONFIG_BITBANGMII
- #define BB_MII_DEVNAME "bb_miiphy"
- struct bb_miiphy_bus {
- char name[16];
- int (*init)(struct bb_miiphy_bus *bus);
- int (*mdio_active)(struct bb_miiphy_bus *bus);
- int (*mdio_tristate)(struct bb_miiphy_bus *bus);
- int (*set_mdio)(struct bb_miiphy_bus *bus, int v);
- int (*get_mdio)(struct bb_miiphy_bus *bus, int *v);
- int (*set_mdc)(struct bb_miiphy_bus *bus, int v);
- int (*delay)(struct bb_miiphy_bus *bus);
- #ifdef CONFIG_BITBANGMII_MULTI
- void *priv;
- #endif
- };
- extern struct bb_miiphy_bus bb_miiphy_buses[];
- extern int bb_miiphy_buses_num;
- void bb_miiphy_init(void);
- int bb_miiphy_read(struct mii_dev *miidev, int addr, int devad, int reg);
- int bb_miiphy_write(struct mii_dev *miidev, int addr, int devad, int reg,
- u16 value);
- #endif
- /* phy seed setup */
- #define AUTO 99
- #define _1000BASET 1000
- #define _100BASET 100
- #define _10BASET 10
- #define HALF 22
- #define FULL 44
- /* phy register offsets */
- #define MII_MIPSCR 0x11
- /* MII_LPA */
- #define PHY_ANLPAR_PSB_802_3 0x0001
- #define PHY_ANLPAR_PSB_802_9 0x0002
- /* MII_CTRL1000 masks */
- #define PHY_1000BTCR_1000FD 0x0200
- #define PHY_1000BTCR_1000HD 0x0100
- /* MII_STAT1000 masks */
- #define PHY_1000BTSR_MSCF 0x8000
- #define PHY_1000BTSR_MSCR 0x4000
- #define PHY_1000BTSR_LRS 0x2000
- #define PHY_1000BTSR_RRS 0x1000
- #define PHY_1000BTSR_1000FD 0x0800
- #define PHY_1000BTSR_1000HD 0x0400
- /* phy EXSR */
- #define ESTATUS_1000XF 0x8000
- #define ESTATUS_1000XH 0x4000
- #ifdef CONFIG_DM_MDIO
- /**
- * struct mdio_perdev_priv - Per-device class data for MDIO DM
- *
- * @mii_bus: Supporting MII legacy bus
- */
- struct mdio_perdev_priv {
- struct mii_dev *mii_bus;
- };
- /**
- * struct mdio_ops - MDIO bus operations
- *
- * @read: Read from a PHY register
- * @write: Write to a PHY register
- * @reset: Reset the MDIO bus, NULL if not supported
- */
- struct mdio_ops {
- int (*read)(struct udevice *mdio_dev, int addr, int devad, int reg);
- int (*write)(struct udevice *mdio_dev, int addr, int devad, int reg,
- u16 val);
- int (*reset)(struct udevice *mdio_dev);
- };
- #define mdio_get_ops(dev) ((struct mdio_ops *)(dev)->driver->ops)
- /**
- * dm_mdio_probe_devices - Call probe on all MII devices, currently used for
- * MDIO console commands.
- */
- void dm_mdio_probe_devices(void);
- /**
- * dm_mdio_phy_connect - Wrapper over phy_connect for DM MDIO
- *
- * @mdiodev: mdio device the PHY is accesible on
- * @phyaddr: PHY address on MDIO bus
- * @ethdev: ethernet device to connect to the PHY
- * @interface: MAC-PHY protocol
- *
- * @return pointer to phy_device, or 0 on error
- */
- struct phy_device *dm_mdio_phy_connect(struct udevice *mdiodev, int phyaddr,
- struct udevice *ethdev,
- phy_interface_t interface);
- /**
- * dm_eth_phy_connect - Connect an Eth device to a PHY based on device tree
- *
- * Picks up the DT phy-handle and phy-mode from ethernet device node and
- * connects the ethernet device to the linked PHY.
- *
- * @ethdev: ethernet device
- *
- * @return pointer to phy_device, or 0 on error
- */
- struct phy_device *dm_eth_phy_connect(struct udevice *ethdev);
- #endif
- #ifdef CONFIG_DM_MDIO_MUX
- /* indicates none of the child buses is selected */
- #define MDIO_MUX_SELECT_NONE -1
- /**
- * struct mdio_mux_ops - MDIO MUX operations
- *
- * @select: Selects a child bus
- * @deselect: Clean up selection. Optional, can be NULL
- */
- struct mdio_mux_ops {
- int (*select)(struct udevice *mux, int cur, int sel);
- int (*deselect)(struct udevice *mux, int sel);
- };
- #define mdio_mux_get_ops(dev) ((struct mdio_mux_ops *)(dev)->driver->ops)
- #endif
- #endif
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