cphy.h
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/*****************************************************************************
* *
* File: cphy.h *
* $Revision: 1.7 $ *
* $Date: 2005/06/21 18:29:47 $ *
* Description: *
* part of the Chelsio 10Gb Ethernet Driver. *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License, version 2, as *
* published by the Free Software Foundation. *
* *
* You should have received a copy of the GNU General Public License along *
* with this program; if not, see <http://www.gnu.org/licenses/>. *
* *
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED *
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF *
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. *
* *
* 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, 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_ */