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/* $OpenBSD: miivar.h,v 1.7 2000/08/26 20:04:17 nate Exp $ */
/* $NetBSD: miivar.h,v 1.17 2000/03/06 20:56:57 thorpej Exp $ */
/*-
* Copyright (c) 1998, 1999, 2000 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.
*/
#ifndef _DEV_MII_MIIVAR_H_
#define _DEV_MII_MIIVAR_H_
#include <sys/queue.h>
#if defined(__NetBSD__)
#include <sys/callout.h>
#elif defined(__OpenBSD__)
#include <sys/timeout.h>
#endif
/*
* 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) __P((struct device *, int, int));
typedef void (*mii_writereg_t) __P((struct device *, int, int, int));
typedef void (*mii_statchg_t) __P((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 */
int mii_flags; /* misc. flags; see below */
/*
* 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) __P((struct mii_softc *, struct mii_data *, int));
/*
* This is a call back into the PHY driver made by a `status request'.
*/
typedef void (*mii_statusreq_t) __P((struct mii_softc *));
/*
* 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 */
#define MII_DOWN 4 /* interface is down */
/*
* 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 {
struct device 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_offset; /* first PHY, second PHY, etc. */
int mii_inst; /* instance for ifmedia */
mii_downcall_t mii_service; /* our downcall */
mii_statusreq_t mii_status; /* our status request fn */
struct mii_data *mii_pdata; /* pointer to parent's mii_data */
int mii_flags; /* misc. flags; see below */
int mii_capabilities; /* capabilities from BMSR */
int mii_ticks; /* MII_TICK counter */
#if defined(__NetBSD__)
struct callout mii_nway_ch; /* NWAY callout */
#endif
int mii_media_active; /* last active media */
int mii_media_status; /* last active status */
struct timeout mii_phy_timo; /* timeout handle */
};
typedef struct mii_softc mii_softc_t;
/* mii_flags */
#define MIIF_INITDONE 0x0001 /* has been initialized (mii_data) */
#define MIIF_NOISOLATE 0x0002 /* do not isolate the PHY */
#define MIIF_NOLOOP 0x0004 /* no loopback capability */
#define MIIF_DOINGAUTO 0x0008 /* doing autonegotiation (mii_softc) */
#define MIIF_INHERIT_MASK (MIIF_NOISOLATE|MIIF_NOLOOP)
/*
* Special `locators' passed to mii_attach(). If one of these is not
* an `any' value, we look for *that* PHY and configure it. If both
* are not `any', that is an error, and mii_attach() will panic.
*/
#define MII_OFFSET_ANY -1
#define MII_PHY_ANY -1
/*
* 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 */
int mii_flags; /* flags from parent */
};
typedef struct mii_attach_args mii_attach_args_t;
/*
* An array of these structures map MII media types to BMCR/ANAR settings.
*/
struct mii_media {
int mm_bmcr; /* BMCR settings for this media */
int mm_anar; /* ANAR settings for this media */
};
#define MII_MEDIA_NONE 0
#define MII_MEDIA_10_T 1
#define MII_MEDIA_10_T_FDX 2
#define MII_MEDIA_100_T4 3
#define MII_MEDIA_100_TX 4
#define MII_MEDIA_100_TX_FDX 5
#define MII_NMEDIA 6
#ifdef _KERNEL
#define PHY_READ(p, r) \
(*(p)->mii_pdata->mii_readreg)((p)->mii_dev.dv_parent, \
(p)->mii_phy, (r))
#define PHY_WRITE(p, r, v) \
(*(p)->mii_pdata->mii_writereg)((p)->mii_dev.dv_parent, \
(p)->mii_phy, (r), (v))
#define mii_phy_probe(x, y, z) \
mii_attach((x), (y), (z), MII_PHY_ANY, MII_OFFSET_ANY, MIIF_NOISOLATE)
void mii_attach __P((struct device *, struct mii_data *, int, int,
int, int));
void mii_activate __P((struct mii_data *, enum devact, int, int));
void mii_detach __P((struct mii_data *, int, int));
int mii_mediachg __P((struct mii_data *));
void mii_tick __P((struct mii_data *));
void mii_pollstat __P((struct mii_data *));
void mii_down __P((struct mii_data *));
int mii_phy_activate __P((struct device *, enum devact));
int mii_phy_detach __P((struct device *, int));
void mii_phy_add_media __P((struct mii_softc *));
void mii_phy_delete_media __P((struct mii_softc *));
void mii_phy_setmedia __P((struct mii_softc *));
int mii_phy_auto __P((struct mii_softc *, int));
void mii_phy_reset __P((struct mii_softc *));
void mii_phy_down __P((struct mii_softc *));
int mii_phy_tick __P((struct mii_softc *));
void mii_phy_status __P((struct mii_softc *));
void mii_phy_update __P((struct mii_softc *, int));
void mii_phy_statusmsg __P((struct mii_softc *));
void ukphy_status __P((struct mii_softc *));
#endif /* _KERNEL */
#endif /* _DEV_MII_MIIVAR_H_ */
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