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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 | /* SPDX-License-Identifier: GPL-2.0-only */ /***************************************************************************** * * * File: cphy.h * * $Revision: 1.7 $ * * $Date: 2005/06/21 18:29:47 $ * * Description: * * part of the Chelsio 10Gb Ethernet Driver. * * * * * * http://www.chelsio.com * * * * Copyright (c) 2003 - 2005 Chelsio Communications, Inc. * * All rights reserved. * * * * Maintainers: maintainers@chelsio.com * * * * Authors: Dimitrios Michailidis <dm@chelsio.com> * * Tina Yang <tainay@chelsio.com> * * Felix Marti <felix@chelsio.com> * * Scott Bardone <sbardone@chelsio.com> * * Kurt Ottaway <kottaway@chelsio.com> * * Frank DiMambro <frank@chelsio.com> * * * * History: * * * ****************************************************************************/ #ifndef _CXGB_CPHY_H_ #define _CXGB_CPHY_H_ #include "common.h" struct mdio_ops { void (*init)(adapter_t *adapter, const struct board_info *bi); int (*read)(struct net_device *dev, int phy_addr, int mmd_addr, u16 reg_addr); int (*write)(struct net_device *dev, int phy_addr, int mmd_addr, u16 reg_addr, u16 val); unsigned mode_support; }; /* PHY interrupt types */ enum { cphy_cause_link_change = 0x1, cphy_cause_error = 0x2, cphy_cause_fifo_error = 0x3 }; enum { PHY_LINK_UP = 0x1, PHY_AUTONEG_RDY = 0x2, PHY_AUTONEG_EN = 0x4 }; struct cphy; /* PHY operations */ struct cphy_ops { void (*destroy)(struct cphy *); int (*reset)(struct cphy *, int wait); int (*interrupt_enable)(struct cphy *); int (*interrupt_disable)(struct cphy *); int (*interrupt_clear)(struct cphy *); int (*interrupt_handler)(struct cphy *); int (*autoneg_enable)(struct cphy *); int (*autoneg_disable)(struct cphy *); int (*autoneg_restart)(struct cphy *); int (*advertise)(struct cphy *phy, unsigned int advertise_map); int (*set_loopback)(struct cphy *, int on); int (*set_speed_duplex)(struct cphy *phy, int speed, int duplex); int (*get_link_status)(struct cphy *phy, int *link_ok, int *speed, int *duplex, int *fc); u32 mmds; }; /* A PHY instance */ struct cphy { int state; /* Link status state machine */ adapter_t *adapter; /* associated adapter */ struct delayed_work phy_update; u16 bmsr; int count; int act_count; int act_on; u32 elmer_gpo; const struct cphy_ops *ops; /* PHY operations */ struct mdio_if_info mdio; struct cphy_instance *instance; }; /* Convenience MDIO read/write wrappers */ static inline int cphy_mdio_read(struct cphy *cphy, int mmd, int reg, unsigned int *valp) { int rc = cphy->mdio.mdio_read(cphy->mdio.dev, cphy->mdio.prtad, mmd, reg); *valp = (rc >= 0) ? rc : -1; return (rc >= 0) ? 0 : rc; } static inline int cphy_mdio_write(struct cphy *cphy, int mmd, int reg, unsigned int val) { return cphy->mdio.mdio_write(cphy->mdio.dev, cphy->mdio.prtad, mmd, reg, val); } static inline int simple_mdio_read(struct cphy *cphy, int reg, unsigned int *valp) { return cphy_mdio_read(cphy, MDIO_DEVAD_NONE, reg, valp); } static inline int simple_mdio_write(struct cphy *cphy, int reg, unsigned int val) { return cphy_mdio_write(cphy, MDIO_DEVAD_NONE, reg, val); } /* Convenience initializer */ static inline void cphy_init(struct cphy *phy, struct net_device *dev, int phy_addr, const struct cphy_ops *phy_ops, const struct mdio_ops *mdio_ops) { struct adapter *adapter = netdev_priv(dev); phy->adapter = adapter; phy->ops = phy_ops; if (mdio_ops) { phy->mdio.prtad = phy_addr; phy->mdio.mmds = phy_ops->mmds; phy->mdio.mode_support = mdio_ops->mode_support; phy->mdio.mdio_read = mdio_ops->read; phy->mdio.mdio_write = mdio_ops->write; } phy->mdio.dev = dev; } /* Operations of the PHY-instance factory */ struct gphy { /* Construct a PHY instance with the given PHY address */ struct cphy *(*create)(struct net_device *dev, int phy_addr, const struct mdio_ops *mdio_ops); /* * Reset the PHY chip. This resets the whole PHY chip, not individual * ports. */ int (*reset)(adapter_t *adapter); }; extern const struct gphy t1_my3126_ops; extern const struct gphy t1_mv88e1xxx_ops; extern const struct gphy t1_vsc8244_ops; extern const struct gphy t1_mv88x201x_ops; #endif /* _CXGB_CPHY_H_ */ |