--- /dev/null
+/*
+ * Copyright 2011 Freescale Semiconductor, Inc.
+ * Andy Fleming <afleming@freescale.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ * This file pretty much stolen from Linux's mii.h/ethtool.h/phy.h
+ */
+
+#ifndef _PHY_H
+#define _PHY_H
+
+#include <linux/list.h>
+#include <linux/mii.h>
+#include <linux/ethtool.h>
+#include <linux/mdio.h>
+
+#define PHY_MAX_ADDR 32
+
+#define PHY_BASIC_FEATURES (SUPPORTED_10baseT_Half | \
+ SUPPORTED_10baseT_Full | \
+ SUPPORTED_100baseT_Half | \
+ SUPPORTED_100baseT_Full | \
+ SUPPORTED_Autoneg | \
+ SUPPORTED_TP | \
+ SUPPORTED_MII)
+
+#define PHY_GBIT_FEATURES (PHY_BASIC_FEATURES | \
+ SUPPORTED_1000baseT_Half | \
+ SUPPORTED_1000baseT_Full)
+
+#define PHY_10G_FEATURES (PHY_GBIT_FEATURES | \
+ SUPPORTED_10000baseT_Full)
+
+#define PHY_ANEG_TIMEOUT 4000
+
+
+typedef enum {
+ PHY_INTERFACE_MODE_MII,
+ PHY_INTERFACE_MODE_GMII,
+ PHY_INTERFACE_MODE_SGMII,
+ PHY_INTERFACE_MODE_QSGMII,
+ PHY_INTERFACE_MODE_TBI,
+ PHY_INTERFACE_MODE_RMII,
+ PHY_INTERFACE_MODE_RGMII,
+ PHY_INTERFACE_MODE_RGMII_ID,
+ PHY_INTERFACE_MODE_RGMII_RXID,
+ PHY_INTERFACE_MODE_RGMII_TXID,
+ PHY_INTERFACE_MODE_RTBI,
+ PHY_INTERFACE_MODE_XGMII,
+ PHY_INTERFACE_MODE_NONE /* Must be last */
+} phy_interface_t;
+
+static const char *phy_interface_strings[] = {
+ [PHY_INTERFACE_MODE_MII] = "mii",
+ [PHY_INTERFACE_MODE_GMII] = "gmii",
+ [PHY_INTERFACE_MODE_SGMII] = "sgmii",
+ [PHY_INTERFACE_MODE_QSGMII] = "qsgmii",
+ [PHY_INTERFACE_MODE_TBI] = "tbi",
+ [PHY_INTERFACE_MODE_RMII] = "rmii",
+ [PHY_INTERFACE_MODE_RGMII] = "rgmii",
+ [PHY_INTERFACE_MODE_RGMII_ID] = "rgmii-id",
+ [PHY_INTERFACE_MODE_RGMII_RXID] = "rgmii-rxid",
+ [PHY_INTERFACE_MODE_RGMII_TXID] = "rgmii-txid",
+ [PHY_INTERFACE_MODE_RTBI] = "rtbi",
+ [PHY_INTERFACE_MODE_XGMII] = "xgmii",
+ [PHY_INTERFACE_MODE_NONE] = "",
+};
+
+static inline const char *phy_string_for_interface(phy_interface_t i)
+{
+ /* Default to unknown */
+ if (i > PHY_INTERFACE_MODE_NONE)
+ i = PHY_INTERFACE_MODE_NONE;
+
+ return phy_interface_strings[i];
+}
+
+
+struct phy_device;
+
+#define MDIO_NAME_LEN 32
+
+struct mii_dev {
+ struct list_head link;
+ char name[MDIO_NAME_LEN];
+ void *priv;
+ int (*read)(struct mii_dev *bus, int addr, int devad, int reg);
+ int (*write)(struct mii_dev *bus, int addr, int devad, int reg,
+ u16 val);
+ int (*reset)(struct mii_dev *bus);
+ struct phy_device *phymap[PHY_MAX_ADDR];
+ u32 phy_mask;
+};
+
+/* struct phy_driver: a structure which defines PHY behavior
+ *
+ * uid will contain a number which represents the PHY. During
+ * startup, the driver will poll the PHY to find out what its
+ * UID--as defined by registers 2 and 3--is. The 32-bit result
+ * gotten from the PHY will be masked to
+ * discard any bits which may change based on revision numbers
+ * unimportant to functionality
+ *
+ */
+struct phy_driver {
+ char *name;
+ unsigned int uid;
+ unsigned int mask;
+ unsigned int mmds;
+
+ u32 features;
+
+ /* Called to do any driver startup necessities */
+ /* Will be called during phy_connect */
+ int (*probe)(struct phy_device *phydev);
+
+ /* Called to configure the PHY, and modify the controller
+ * based on the results. Should be called after phy_connect */
+ int (*config)(struct phy_device *phydev);
+
+ /* Called when starting up the controller */
+ int (*startup)(struct phy_device *phydev);
+
+ /* Called when bringing down the controller */
+ int (*shutdown)(struct phy_device *phydev);
+
+ int (*readext)(struct phy_device *phydev, int addr, int devad, int reg);
+ int (*writeext)(struct phy_device *phydev, int addr, int devad, int reg,
+ u16 val);
+ struct list_head list;
+};
+
+struct phy_device {
+ /* Information about the PHY type */
+ /* And management functions */
+ struct mii_dev *bus;
+ struct phy_driver *drv;
+ void *priv;
+
+ struct eth_device *dev;
+
+ /* forced speed & duplex (no autoneg)
+ * partner speed & duplex & pause (autoneg)
+ */
+ int speed;
+ int duplex;
+
+ /* The most recently read link state */
+ int link;
+ int port;
+ phy_interface_t interface;
+
+ u32 advertising;
+ u32 supported;
+ u32 mmds;
+
+ int autoneg;
+ int addr;
+ int pause;
+ int asym_pause;
+ u32 phy_id;
+ u32 flags;
+};
+
+struct fixed_link {
+ int phy_id;
+ int duplex;
+ int link_speed;
+ int pause;
+ int asym_pause;
+};
+
+static inline int phy_read(struct phy_device *phydev, int devad, int regnum)
+{
+ struct mii_dev *bus = phydev->bus;
+
+ return bus->read(bus, phydev->addr, devad, regnum);
+}
+
+static inline int phy_write(struct phy_device *phydev, int devad, int regnum,
+ u16 val)
+{
+ struct mii_dev *bus = phydev->bus;
+
+ return bus->write(bus, phydev->addr, devad, regnum, val);
+}
+
+#ifdef CONFIG_PHYLIB_10G
+extern struct phy_driver gen10g_driver;
+
+/* For now, XGMII is the only 10G interface */
+static inline int is_10g_interface(phy_interface_t interface)
+{
+ return interface == PHY_INTERFACE_MODE_XGMII;
+}
+
+#endif
+
+int phy_init(void);
+int phy_reset(struct phy_device *phydev);
+struct phy_device *phy_find_by_mask(struct mii_dev *bus, unsigned phy_mask,
+ phy_interface_t interface);
+void phy_connect_dev(struct phy_device *phydev, struct eth_device *dev);
+struct phy_device *phy_connect(struct mii_dev *bus, int addr,
+ struct eth_device *dev,
+ phy_interface_t interface);
+int phy_startup(struct phy_device *phydev);
+int phy_config(struct phy_device *phydev);
+int phy_shutdown(struct phy_device *phydev);
+int phy_register(struct phy_driver *drv);
+int genphy_config_aneg(struct phy_device *phydev);
+int genphy_restart_aneg(struct phy_device *phydev);
+int genphy_update_link(struct phy_device *phydev);
+int genphy_parse_link(struct phy_device *phydev);
+int genphy_config(struct phy_device *phydev);
+int genphy_startup(struct phy_device *phydev);
+int genphy_shutdown(struct phy_device *phydev);
+int gen10g_config(struct phy_device *phydev);
+int gen10g_startup(struct phy_device *phydev);
+int gen10g_shutdown(struct phy_device *phydev);
+int gen10g_discover_mmds(struct phy_device *phydev);
+
+int phy_atheros_init(void);
+int phy_broadcom_init(void);
+int phy_davicom_init(void);
+int phy_et1011c_init(void);
+int phy_lxt_init(void);
+int phy_marvell_init(void);
+int phy_micrel_init(void);
+int phy_natsemi_init(void);
+int phy_realtek_init(void);
+int phy_smsc_init(void);
+int phy_teranetics_init(void);
+int phy_vitesse_init(void);
+
+int board_phy_config(struct phy_device *phydev);
+
+/* PHY UIDs for various PHYs that are referenced in external code */
+#define PHY_UID_TN2020 0x00a19410
+
+#endif
Code Review / kvmfornfv.git / blobdiff