176 lines
		
	
	
		
			6.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			176 lines
		
	
	
		
			6.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*****************************************************************************
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 *                                                                           *
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 * File: cphy.h                                                              *
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 * $Revision: 1.7 $                                                          *
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 * $Date: 2005/06/21 18:29:47 $                                              *
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 * Description:                                                              *
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 *  part of the Chelsio 10Gb Ethernet Driver.                                *
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 *                                                                           *
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 * This program is free software; you can redistribute it and/or modify      *
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 * it under the terms of the GNU General Public License, version 2, as       *
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 * published by the Free Software Foundation.                                *
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 *                                                                           *
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 * You should have received a copy of the GNU General Public License along   *
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 * with this program; if not, write to the Free Software Foundation, Inc.,   *
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 * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.                 *
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 *                                                                           *
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 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED    *
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 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF      *
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 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.                     *
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 *                                                                           *
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 * http://www.chelsio.com                                                    *
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 *                                                                           *
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 * Copyright (c) 2003 - 2005 Chelsio Communications, Inc.                    *
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 * All rights reserved.                                                      *
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 *                                                                           *
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 * Maintainers: maintainers@chelsio.com                                      *
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 *                                                                           *
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 * Authors: Dimitrios Michailidis   <dm@chelsio.com>                         *
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 *          Tina Yang               <tainay@chelsio.com>                     *
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 *          Felix Marti             <felix@chelsio.com>                      *
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 *          Scott Bardone           <sbardone@chelsio.com>                   *
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 *          Kurt Ottaway            <kottaway@chelsio.com>                   *
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 *          Frank DiMambro          <frank@chelsio.com>                      *
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 *                                                                           *
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 * History:                                                                  *
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 *                                                                           *
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 ****************************************************************************/
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#ifndef _CXGB_CPHY_H_
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#define _CXGB_CPHY_H_
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#include "common.h"
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struct mdio_ops {
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	void (*init)(adapter_t *adapter, const struct board_info *bi);
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	int  (*read)(struct net_device *dev, int phy_addr, int mmd_addr,
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		     u16 reg_addr);
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	int  (*write)(struct net_device *dev, int phy_addr, int mmd_addr,
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		      u16 reg_addr, u16 val);
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	unsigned mode_support;
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};
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/* PHY interrupt types */
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enum {
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	cphy_cause_link_change = 0x1,
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	cphy_cause_error = 0x2,
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	cphy_cause_fifo_error = 0x3
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};
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enum {
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	PHY_LINK_UP = 0x1,
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	PHY_AUTONEG_RDY = 0x2,
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	PHY_AUTONEG_EN = 0x4
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};
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struct cphy;
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/* PHY operations */
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struct cphy_ops {
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	void (*destroy)(struct cphy *);
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	int (*reset)(struct cphy *, int wait);
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	int (*interrupt_enable)(struct cphy *);
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	int (*interrupt_disable)(struct cphy *);
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	int (*interrupt_clear)(struct cphy *);
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	int (*interrupt_handler)(struct cphy *);
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	int (*autoneg_enable)(struct cphy *);
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	int (*autoneg_disable)(struct cphy *);
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	int (*autoneg_restart)(struct cphy *);
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	int (*advertise)(struct cphy *phy, unsigned int advertise_map);
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	int (*set_loopback)(struct cphy *, int on);
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	int (*set_speed_duplex)(struct cphy *phy, int speed, int duplex);
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	int (*get_link_status)(struct cphy *phy, int *link_ok, int *speed,
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			       int *duplex, int *fc);
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	u32 mmds;
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};
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/* A PHY instance */
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struct cphy {
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	int state;	/* Link status state machine */
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	adapter_t *adapter;                  /* associated adapter */
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	struct delayed_work phy_update;
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	u16 bmsr;
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	int count;
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	int act_count;
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	int act_on;
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	u32 elmer_gpo;
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	const struct cphy_ops *ops;            /* PHY operations */
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	struct mdio_if_info mdio;
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	struct cphy_instance *instance;
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};
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/* Convenience MDIO read/write wrappers */
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static inline int cphy_mdio_read(struct cphy *cphy, int mmd, int reg,
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				 unsigned int *valp)
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{
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	int rc = cphy->mdio.mdio_read(cphy->mdio.dev, cphy->mdio.prtad, mmd,
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				      reg);
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	*valp = (rc >= 0) ? rc : -1;
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	return (rc >= 0) ? 0 : rc;
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}
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static inline int cphy_mdio_write(struct cphy *cphy, int mmd, int reg,
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				  unsigned int val)
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{
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	return cphy->mdio.mdio_write(cphy->mdio.dev, cphy->mdio.prtad, mmd,
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				     reg, val);
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}
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static inline int simple_mdio_read(struct cphy *cphy, int reg,
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				   unsigned int *valp)
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{
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	return cphy_mdio_read(cphy, MDIO_DEVAD_NONE, reg, valp);
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}
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static inline int simple_mdio_write(struct cphy *cphy, int reg,
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				    unsigned int val)
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{
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	return cphy_mdio_write(cphy, MDIO_DEVAD_NONE, reg, val);
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}
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/* Convenience initializer */
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static inline void cphy_init(struct cphy *phy, struct net_device *dev,
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			     int phy_addr, struct cphy_ops *phy_ops,
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			     const struct mdio_ops *mdio_ops)
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{
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	struct adapter *adapter = netdev_priv(dev);
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	phy->adapter = adapter;
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	phy->ops     = phy_ops;
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	if (mdio_ops) {
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		phy->mdio.prtad = phy_addr;
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		phy->mdio.mmds = phy_ops->mmds;
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		phy->mdio.mode_support = mdio_ops->mode_support;
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		phy->mdio.mdio_read = mdio_ops->read;
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		phy->mdio.mdio_write = mdio_ops->write;
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	}
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	phy->mdio.dev = dev;
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}
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/* Operations of the PHY-instance factory */
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struct gphy {
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	/* Construct a PHY instance with the given PHY address */
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	struct cphy *(*create)(struct net_device *dev, int phy_addr,
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			       const struct mdio_ops *mdio_ops);
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	/*
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	 * Reset the PHY chip.  This resets the whole PHY chip, not individual
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	 * ports.
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	 */
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	int (*reset)(adapter_t *adapter);
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};
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extern const struct gphy t1_my3126_ops;
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extern const struct gphy t1_mv88e1xxx_ops;
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extern const struct gphy t1_vsc8244_ops;
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extern const struct gphy t1_mv88x201x_ops;
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#endif /* _CXGB_CPHY_H_ */
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