cregit-Linux how code gets into the kernel

Release 4.11 drivers/net/ethernet/chelsio/cxgb/cphy.h

/*****************************************************************************
 *                                                                           *
 * 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; }

Contributors

PersonTokensPropCommitsCommitProp
Christoph Lameter3750.00%150.00%
Ben Hutchings3750.00%150.00%
Total74100.00%2100.00%


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); }

Contributors

PersonTokensPropCommitsCommitProp
Christoph Lameter3981.25%150.00%
Ben Hutchings918.75%150.00%
Total48100.00%2100.00%


static inline int simple_mdio_read(struct cphy *cphy, int reg, unsigned int *valp) { return cphy_mdio_read(cphy, MDIO_DEVAD_NONE, reg, valp); }

Contributors

PersonTokensPropCommitsCommitProp
Christoph Lameter3093.75%150.00%
Ben Hutchings26.25%150.00%
Total32100.00%2100.00%


static inline int simple_mdio_write(struct cphy *cphy, int reg, unsigned int val) { return cphy_mdio_write(cphy, MDIO_DEVAD_NONE, reg, val); }

Contributors

PersonTokensPropCommitsCommitProp
Christoph Lameter2993.55%150.00%
Ben Hutchings26.45%150.00%
Total31100.00%2100.00%

/* 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; }

Contributors

PersonTokensPropCommitsCommitProp
Christoph Lameter6152.59%120.00%
Ben Hutchings3227.59%120.00%
Divy Le Ray2118.10%120.00%
Julia Lawall10.86%120.00%
Stephen Hemminger10.86%120.00%
Total116100.00%5100.00%

/* 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_ */

Overall Contributors

PersonTokensPropCommitsCommitProp
Christoph Lameter52973.17%111.11%
Ben Hutchings10113.97%111.11%
Stephen Hemminger638.71%222.22%
Divy Le Ray243.32%111.11%
Scott Bardone30.41%111.11%
Julia Lawall10.14%111.11%
Jeff Kirsher10.14%111.11%
David Howells10.14%111.11%
Total723100.00%9100.00%
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