NetBSD/sys/dev/mii/miivar.h

272 lines
8.8 KiB
C

/* $NetBSD: miivar.h,v 1.47 2006/11/16 21:24:07 christos Exp $ */
/*-
* Copyright (c) 1998, 1999, 2000, 2001 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>
#include <sys/callout.h>
/*
* Media Independent Interface datat structure definitions.
*/
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 */
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;
u_int mii_instance;
/*
* PHY driver fills this in with active media status.
*/
int mii_media_status;
u_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;
/*
* Functions provided by the PHY to perform various functions.
*/
struct mii_phy_funcs {
int (*pf_service)(struct mii_softc *, struct mii_data *, int);
void (*pf_status)(struct mii_softc *);
void (*pf_reset)(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 */
u_int32_t mii_mpd_model; /* the PHY's model (MII_MODEL())*/
int mii_phy; /* our MII address */
int mii_offset; /* first PHY, second PHY, etc. */
u_int mii_inst; /* instance for ifmedia */
/* Our PHY functions. */
const struct mii_phy_funcs *mii_funcs;
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_extcapabilities; /* extended capabilities */
int mii_ticks; /* MII_TICK counter */
int mii_anegticks; /* ticks before retrying aneg */
struct callout mii_nway_ch; /* NWAY callout */
u_int mii_media_active; /* last active media */
int mii_media_status; /* last active status */
};
typedef struct mii_softc mii_softc_t;
/* Default mii_anegticks values. */
#define MII_ANEGTICKS 5
#define MII_ANEGTICKS_GIGE 10
/* 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_AUTOTSLEEP 0x0010 /* use tsleep(), not callout() */
#define MIIF_HAVEFIBER 0x0020 /* from parent: has fiber interface */
#define MIIF_HAVE_GTCR 0x0040 /* has 100base-T2/1000base-T CR */
#define MIIF_IS_1000X 0x0080 /* is a 1000BASE-X device */
#define MIIF_DOPAUSE 0x0100 /* advertise PAUSE capability */
#define MIIF_IS_HPNA 0x0200 /* is a HomePNA device */
#define MIIF_FORCEANEG 0x0400 /* force auto-negotiation */
#define MIIF_INHERIT_MASK (MIIF_NOISOLATE|MIIF_NOLOOP|MIIF_AUTOTSLEEP)
/*
* 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 */
u_int mii_id1; /* PHY ID register 1 */
u_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;
/*
* Used to match a PHY.
*/
struct mii_phydesc {
u_int32_t mpd_oui; /* the PHY's OUI */
u_int32_t mpd_model; /* the PHY's model */
const char *mpd_name; /* the PHY's name */
};
/*
* 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 */
int mm_gtcr; /* 100base-T2 or 1000base-T CR */
};
#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_MEDIA_1000_X 6
#define MII_MEDIA_1000_X_FDX 7
#define MII_MEDIA_1000_T 8
#define MII_MEDIA_1000_T_FDX 9
#define MII_NMEDIA 10
#ifdef _KERNEL
#define PHY_READ(p, r) \
(*(p)->mii_pdata->mii_readreg)(device_parent(&(p)->mii_dev), \
(p)->mii_phy, (r))
#define PHY_WRITE(p, r, v) \
(*(p)->mii_pdata->mii_writereg)(device_parent(&(p)->mii_dev), \
(p)->mii_phy, (r), (v))
#define PHY_SERVICE(p, d, o) \
(*(p)->mii_funcs->pf_service)((p), (d), (o))
#define PHY_STATUS(p) \
(*(p)->mii_funcs->pf_status)((p))
#define PHY_RESET(p) \
(*(p)->mii_funcs->pf_reset)((p))
void mii_attach(struct device *, struct mii_data *, int, int,
int, int);
void mii_activate(struct mii_data *, enum devact, int, int);
void mii_detach(struct mii_data *, int, int);
int mii_mediachg(struct mii_data *);
void mii_tick(struct mii_data *);
void mii_pollstat(struct mii_data *);
void mii_down(struct mii_data *);
int mii_phy_activate(struct device *, enum devact);
int mii_phy_detach(struct device *, int);
const struct mii_phydesc *mii_phy_match(const struct mii_attach_args *,
const struct mii_phydesc *);
void mii_phy_add_media(struct mii_softc *);
void mii_phy_delete_media(struct mii_softc *);
void mii_phy_setmedia(struct mii_softc *);
int mii_phy_auto(struct mii_softc *, int);
void mii_phy_reset(struct mii_softc *);
void mii_phy_down(struct mii_softc *);
int mii_phy_tick(struct mii_softc *);
void mii_phy_status(struct mii_softc *);
void mii_phy_update(struct mii_softc *, int);
u_int mii_phy_flowstatus(struct mii_softc *);
void ukphy_status(struct mii_softc *);
u_int mii_oui(u_int, u_int);
#define MII_OUI(id1, id2) mii_oui(id1, id2)
#define MII_MODEL(id2) (((id2) & IDR2_MODEL) >> 4)
#define MII_REV(id2) ((id2) & IDR2_REV)
#endif /* _KERNEL */
#endif /* _DEV_MII_MIIVAR_H_ */