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freebsd/sys/dev/mii/miivar.h
Alfred Perlstein e51a25f850 Remove __P.
2002-03-20 02:08:01 +00:00

183 lines
6.0 KiB
C

/* $NetBSD: miivar.h,v 1.8 1999/04/23 04:24:32 thorpej Exp $ */
/*-
* Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _DEV_MII_MIIVAR_H_
#define _DEV_MII_MIIVAR_H_
#include <sys/queue.h>
/*
* Media Independent Interface autoconfiguration defintions.
*
* This file exports an interface which attempts to be compatible
* with the BSD/OS 3.0 interface.
*/
struct mii_softc;
/*
* Callbacks from MII layer into network interface device driver.
*/
typedef int (*mii_readreg_t)(struct device *, int, int);
typedef void (*mii_writereg_t)(struct device *, int, int, int);
typedef void (*mii_statchg_t)(struct device *);
/*
* A network interface driver has one of these structures in its softc.
* It is the interface from the network interface driver to the MII
* layer.
*/
struct mii_data {
struct ifmedia mii_media; /* media information */
struct ifnet *mii_ifp; /* pointer back to network interface */
/*
* For network interfaces with multiple PHYs, a list of all
* PHYs is required so they can all be notified when a media
* request is made.
*/
LIST_HEAD(mii_listhead, mii_softc) mii_phys;
int mii_instance;
/*
* PHY driver fills this in with active media status.
*/
int mii_media_status;
int mii_media_active;
/*
* Calls from MII layer into network interface driver.
*/
mii_readreg_t mii_readreg;
mii_writereg_t mii_writereg;
mii_statchg_t mii_statchg;
};
typedef struct mii_data mii_data_t;
/*
* This call is used by the MII layer to call into the PHY driver
* to perform a `service request'.
*/
typedef int (*mii_downcall_t)(struct mii_softc *, struct mii_data *, int);
/*
* Requests that can be made to the downcall.
*/
#define MII_TICK 1 /* once-per-second tick */
#define MII_MEDIACHG 2 /* user changed media; perform the switch */
#define MII_POLLSTAT 3 /* user requested media status; fill it in */
/*
* Each PHY driver's softc has one of these as the first member.
* XXX This would be better named "phy_softc", but this is the name
* XXX BSDI used, and we would like to have the same interface.
*/
struct mii_softc {
device_t mii_dev; /* generic device glue */
LIST_ENTRY(mii_softc) mii_list; /* entry on parent's PHY list */
int mii_phy; /* our MII address */
int mii_inst; /* instance for ifmedia */
mii_downcall_t mii_service; /* our downcall */
struct mii_data *mii_pdata; /* pointer to parent's mii_data */
struct callout_handle mii_auto_ch; /* callout handle for phy autoneg */
int mii_flags; /* misc. flags; see below */
int mii_capabilities; /* capabilities from BMSR */
int mii_ticks; /* MII_TICK counter */
int mii_active; /* last active media */
int mii_status; /* last active status */
};
typedef struct mii_softc mii_softc_t;
/* mii_flags */
#define MIIF_NOISOLATE 0x0001 /* do not isolate the PHY */
#define MIIF_DOINGAUTO 0x0002 /* doing autonegotiation */
/*
* Used to attach a PHY to a parent.
*/
struct mii_attach_args {
struct mii_data *mii_data; /* pointer to parent data */
int mii_phyno; /* MII address */
int mii_id1; /* PHY ID register 1 */
int mii_id2; /* PHY ID register 2 */
int mii_capmask; /* capability mask from BMSR */
};
typedef struct mii_attach_args mii_attach_args_t;
#ifdef _KERNEL
#define PHY_READ(p, r) \
MIIBUS_READREG((p)->mii_dev, (p)->mii_phy, (r))
#define PHY_WRITE(p, r, v) \
MIIBUS_WRITEREG((p)->mii_dev, (p)->mii_phy, (r), (v))
extern devclass_t miibus_devclass;
extern driver_t miibus_driver;
int miibus_probe(device_t);
int miibus_attach(device_t);
int miibus_detach(device_t);
int mii_anar(int);
int mii_mediachg(struct mii_data *);
void mii_tick(struct mii_data *);
void mii_pollstat(struct mii_data *);
int mii_phy_probe(device_t, device_t *, ifm_change_cb_t, ifm_stat_cb_t);
void mii_add_media(struct mii_data *, int, int);
int mii_media_from_bmcr(int);
int mii_phy_auto(struct mii_softc *, int);
void mii_phy_auto_stop(struct mii_softc *);
void mii_phy_reset(struct mii_softc *);
void mii_phy_update(struct mii_softc *, int);
int mii_phy_tick(struct mii_softc *);
void ukphy_status(struct mii_softc *);
#endif /* _KERNEL */
#endif /* _DEV_MII_MIIVAR_H_ */