275 lines
8.8 KiB
C
275 lines
8.8 KiB
C
/* $NetBSD: miivar.h,v 1.50 2008/02/29 06:40:38 dyoung Exp $ */
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/*-
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* Copyright (c) 1998, 1999, 2000, 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
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* NASA Ames Research Center.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _DEV_MII_MIIVAR_H_
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#define _DEV_MII_MIIVAR_H_
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#include <sys/queue.h>
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#include <sys/callout.h>
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/*
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* Media Independent Interface datat structure definitions.
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*/
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struct mii_softc;
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/*
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* Callbacks from MII layer into network interface device driver.
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*/
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typedef int (*mii_readreg_t)(struct device *, int, int);
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typedef void (*mii_writereg_t)(struct device *, int, int, int);
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typedef void (*mii_statchg_t)(struct device *);
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/*
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* A network interface driver has one of these structures in its softc.
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* It is the interface from the network interface driver to the MII
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* layer.
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*/
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struct mii_data {
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struct ifmedia mii_media; /* media information */
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struct ifnet *mii_ifp; /* pointer back to network interface */
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int mii_flags; /* misc. flags; see below */
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/*
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* For network interfaces with multiple PHYs, a list of all
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* PHYs is required so they can all be notified when a media
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* request is made.
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*/
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LIST_HEAD(mii_listhead, mii_softc) mii_phys;
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u_int mii_instance;
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/*
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* PHY driver fills this in with active media status.
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*/
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int mii_media_status;
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u_int mii_media_active;
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/*
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* Calls from MII layer into network interface driver.
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*/
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mii_readreg_t mii_readreg;
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mii_writereg_t mii_writereg;
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mii_statchg_t mii_statchg;
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};
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typedef struct mii_data mii_data_t;
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/*
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* Functions provided by the PHY to perform various functions.
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*/
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struct mii_phy_funcs {
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int (*pf_service)(struct mii_softc *, struct mii_data *, int);
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void (*pf_status)(struct mii_softc *);
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void (*pf_reset)(struct mii_softc *);
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};
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/*
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* Requests that can be made to the downcall.
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*/
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#define MII_TICK 1 /* once-per-second tick */
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#define MII_MEDIACHG 2 /* user changed media; perform the switch */
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#define MII_POLLSTAT 3 /* user requested media status; fill it in */
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#define MII_DOWN 4 /* interface is down */
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/*
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* Each PHY driver's softc has one of these as the first member.
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* XXX This would be better named "phy_softc", but this is the name
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* XXX BSDI used, and we would like to have the same interface.
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*/
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struct mii_softc {
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struct device mii_dev; /* generic device glue */
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LIST_ENTRY(mii_softc) mii_list; /* entry on parent's PHY list */
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u_int32_t mii_mpd_model; /* the PHY's model (MII_MODEL())*/
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int mii_phy; /* our MII address */
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int mii_offset; /* first PHY, second PHY, etc. */
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u_int mii_inst; /* instance for ifmedia */
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/* Our PHY functions. */
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const struct mii_phy_funcs *mii_funcs;
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struct mii_data *mii_pdata; /* pointer to parent's mii_data */
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int mii_flags; /* misc. flags; see below */
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int mii_capabilities; /* capabilities from BMSR */
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int mii_extcapabilities; /* extended capabilities */
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int mii_ticks; /* MII_TICK counter */
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int mii_anegticks; /* ticks before retrying aneg */
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struct callout mii_nway_ch; /* NWAY callout */
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u_int mii_media_active; /* last active media */
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int mii_media_status; /* last active status */
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};
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typedef struct mii_softc mii_softc_t;
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/* Default mii_anegticks values. */
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#define MII_ANEGTICKS 5
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#define MII_ANEGTICKS_GIGE 10
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/* mii_flags */
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#define MIIF_INITDONE 0x0001 /* has been initialized (mii_data) */
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#define MIIF_NOISOLATE 0x0002 /* do not isolate the PHY */
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#define MIIF_NOLOOP 0x0004 /* no loopback capability */
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#define MIIF_DOINGAUTO 0x0008 /* doing autonegotiation (mii_softc) */
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#define MIIF_AUTOTSLEEP 0x0010 /* use tsleep(), not callout() */
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#define MIIF_HAVEFIBER 0x0020 /* from parent: has fiber interface */
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#define MIIF_HAVE_GTCR 0x0040 /* has 100base-T2/1000base-T CR */
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#define MIIF_IS_1000X 0x0080 /* is a 1000BASE-X device */
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#define MIIF_DOPAUSE 0x0100 /* advertise PAUSE capability */
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#define MIIF_IS_HPNA 0x0200 /* is a HomePNA device */
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#define MIIF_FORCEANEG 0x0400 /* force auto-negotiation */
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#define MIIF_INHERIT_MASK (MIIF_NOISOLATE|MIIF_NOLOOP|MIIF_AUTOTSLEEP)
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/*
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* Special `locators' passed to mii_attach(). If one of these is not
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* an `any' value, we look for *that* PHY and configure it. If both
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* are not `any', that is an error, and mii_attach() will panic.
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*/
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#define MII_OFFSET_ANY -1
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#define MII_PHY_ANY -1
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/*
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* Used to attach a PHY to a parent.
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*/
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struct mii_attach_args {
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struct mii_data *mii_data; /* pointer to parent data */
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int mii_phyno; /* MII address */
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u_int mii_id1; /* PHY ID register 1 */
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u_int mii_id2; /* PHY ID register 2 */
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int mii_capmask; /* capability mask from BMSR */
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int mii_flags; /* flags from parent */
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};
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typedef struct mii_attach_args mii_attach_args_t;
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/*
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* Used to match a PHY.
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*/
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struct mii_phydesc {
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u_int32_t mpd_oui; /* the PHY's OUI */
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u_int32_t mpd_model; /* the PHY's model */
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const char *mpd_name; /* the PHY's name */
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};
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/*
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* An array of these structures map MII media types to BMCR/ANAR settings.
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*/
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struct mii_media {
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int mm_bmcr; /* BMCR settings for this media */
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int mm_anar; /* ANAR settings for this media */
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int mm_gtcr; /* 100base-T2 or 1000base-T CR */
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};
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#define MII_MEDIA_NONE 0
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#define MII_MEDIA_10_T 1
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#define MII_MEDIA_10_T_FDX 2
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#define MII_MEDIA_100_T4 3
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#define MII_MEDIA_100_TX 4
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#define MII_MEDIA_100_TX_FDX 5
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#define MII_MEDIA_1000_X 6
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#define MII_MEDIA_1000_X_FDX 7
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#define MII_MEDIA_1000_T 8
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#define MII_MEDIA_1000_T_FDX 9
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#define MII_NMEDIA 10
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#ifdef _KERNEL
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#define PHY_READ(p, r) \
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(*(p)->mii_pdata->mii_readreg)(device_parent(&(p)->mii_dev), \
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(p)->mii_phy, (r))
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#define PHY_WRITE(p, r, v) \
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(*(p)->mii_pdata->mii_writereg)(device_parent(&(p)->mii_dev), \
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(p)->mii_phy, (r), (v))
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#define PHY_SERVICE(p, d, o) \
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(*(p)->mii_funcs->pf_service)((p), (d), (o))
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#define PHY_STATUS(p) \
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(*(p)->mii_funcs->pf_status)((p))
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#define PHY_RESET(p) \
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(*(p)->mii_funcs->pf_reset)((p))
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void mii_attach(struct device *, struct mii_data *, int, int,
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int, int);
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void mii_activate(struct mii_data *, enum devact, int, int);
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void mii_detach(struct mii_data *, int, int);
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bool mii_phy_resume(device_t PMF_FN_PROTO);
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int mii_mediachg(struct mii_data *);
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void mii_tick(struct mii_data *);
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void mii_pollstat(struct mii_data *);
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void mii_down(struct mii_data *);
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int mii_ifmedia_change(struct mii_data *);
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int mii_phy_activate(struct device *, enum devact);
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int mii_phy_detach(struct device *, int);
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const struct mii_phydesc *mii_phy_match(const struct mii_attach_args *,
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const struct mii_phydesc *);
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void mii_phy_add_media(struct mii_softc *);
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void mii_phy_delete_media(struct mii_softc *);
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void mii_phy_setmedia(struct mii_softc *);
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int mii_phy_auto(struct mii_softc *, int);
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void mii_phy_reset(struct mii_softc *);
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void mii_phy_down(struct mii_softc *);
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int mii_phy_tick(struct mii_softc *);
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void mii_phy_status(struct mii_softc *);
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void mii_phy_update(struct mii_softc *, int);
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u_int mii_phy_flowstatus(struct mii_softc *);
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void ukphy_status(struct mii_softc *);
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u_int mii_oui(u_int, u_int);
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#define MII_OUI(id1, id2) mii_oui(id1, id2)
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#define MII_MODEL(id2) (((id2) & IDR2_MODEL) >> 4)
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#define MII_REV(id2) ((id2) & IDR2_REV)
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#endif /* _KERNEL */
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#endif /* _DEV_MII_MIIVAR_H_ */
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