Author: mizhka
Date: Thu Nov 17 07:33:37 2016
New Revision: 308744
URL: https://svnweb.freebsd.org/changeset/base/308744

Log:
  [etherswitch] add infineon adm6996fc support on etherswitch
  
  This is Infineon ADM6996FC/M/MX driver code on etherswitch framework.
  Support PORT and DOT1Q VLAN.
  This code suppose ADM6996FC SDC/SDIO connect to SOC network interface
  MDC/MDIO.
  This code tested on Netgear WGR614Cv7.
  
  Submitted by: Hiroki Mori <yamori...@yahoo.co.jp>
  Reviewed by:  adrian, mizhka
  Approved by:  adrian(mentor)
  Differential Revision:        https://reviews.freebsd.org/D8495

Added:
  head/sys/dev/etherswitch/infineon/
  head/sys/dev/etherswitch/infineon/adm6996fc.c   (contents, props changed)

Added: head/sys/dev/etherswitch/infineon/adm6996fc.c
==============================================================================
--- /dev/null   00:00:00 1970   (empty, because file is newly added)
+++ head/sys/dev/etherswitch/infineon/adm6996fc.c       Thu Nov 17 07:33:37 
2016        (r308744)
@@ -0,0 +1,858 @@
+/*-
+ * Copyright (c) 2016 Hiroki Mori
+ * Copyright (c) 2013 Luiz Otavio O Souza.
+ * Copyright (c) 2011-2012 Stefan Bethke.
+ * Copyright (c) 2012 Adrian Chadd.
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ * $FreeBSD$
+ */
+
+/*
+ * This is Infineon ADM6996FC/M/MX driver code on etherswitch framework.
+ * Support PORT and DOT1Q VLAN.
+ * This code suppose ADM6996FC SDC/SDIO connect to SOC network interface
+ * MDC/MDIO.
+ * This code development on Netgear WGR614Cv7.
+ */
+
+#include <sys/param.h>
+#include <sys/bus.h>
+#include <sys/errno.h>
+#include <sys/kernel.h>
+#include <sys/lock.h>
+#include <sys/malloc.h>
+#include <sys/module.h>
+#include <sys/mutex.h>
+#include <sys/socket.h>
+#include <sys/sockio.h>
+#include <sys/sysctl.h>
+#include <sys/systm.h>
+
+#include <net/if.h>
+#include <net/if_var.h>
+#include <net/ethernet.h>
+#include <net/if_media.h>
+#include <net/if_types.h>
+
+#include <machine/bus.h>
+#include <dev/mii/mii.h>
+#include <dev/mii/miivar.h>
+#include <dev/mdio/mdio.h>
+
+#include <dev/etherswitch/etherswitch.h>
+
+#include "mdio_if.h"
+#include "miibus_if.h"
+#include "etherswitch_if.h"
+
+#define        ADM6996FC_PRODUCT_CODE  0x7102
+
+#define        ADM6996FC_SC3           0x11
+#define        ADM6996FC_VF0L          0x40
+#define        ADM6996FC_VF0H          0x41
+#define        ADM6996FC_CI0           0xa0
+#define        ADM6996FC_CI1           0xa1
+#define        ADM6996FC_PHY_C0        0x200
+
+#define        ADM6996FC_PC_SHIFT      4
+#define        ADM6996FC_TBV_SHIFT     5
+#define        ADM6996FC_PVID_SHIFT    10
+#define        ADM6996FC_OPTE_SHIFT    4
+#define        ADM6996FC_VV_SHIFT      15
+
+#define        ADM6996FC_PHY_SIZE      0x20
+
+MALLOC_DECLARE(M_ADM6996FC);
+MALLOC_DEFINE(M_ADM6996FC, "adm6996fc", "adm6996fc data structures");
+
+struct adm6996fc_softc {
+       struct mtx      sc_mtx;         /* serialize access to softc */
+       device_t        sc_dev;
+       int             vlan_mode;
+       int             media;          /* cpu port media */
+       int             cpuport;        /* which PHY is connected to the CPU */
+       int             phymask;        /* PHYs we manage */
+       int             numports;       /* number of ports */
+       int             ifpport[MII_NPHY];
+       int             *portphy;
+       char            **ifname;
+       device_t        **miibus;
+       struct ifnet    **ifp;
+       struct callout  callout_tick;
+       etherswitch_info_t      info;
+};
+
+#define        ADM6996FC_LOCK(_sc)                     \
+           mtx_lock(&(_sc)->sc_mtx)
+#define        ADM6996FC_UNLOCK(_sc)                   \
+           mtx_unlock(&(_sc)->sc_mtx)
+#define        ADM6996FC_LOCK_ASSERT(_sc, _what)       \
+           mtx_assert(&(_sc)->sc_mtx, (_what))
+#define        ADM6996FC_TRYLOCK(_sc)                  \
+           mtx_trylock(&(_sc)->sc_mtx)
+
+#if defined(DEBUG)
+#define        DPRINTF(dev, args...) device_printf(dev, args)
+#else
+#define        DPRINTF(dev, args...)
+#endif
+
+static inline int adm6996fc_portforphy(struct adm6996fc_softc *, int);
+static void adm6996fc_tick(void *);
+static int adm6996fc_ifmedia_upd(struct ifnet *);
+static void adm6996fc_ifmedia_sts(struct ifnet *, struct ifmediareq *);
+
+#define        ADM6996FC_READREG(dev, x)                                       
\
+       MDIO_READREG(dev, ((x) >> 5), ((x) & 0x1f));
+#define        ADM6996FC_WRITEREG(dev, x, v)                                   
\
+       MDIO_WRITEREG(dev, ((x) >> 5), ((x) & 0x1f), v);
+
+#define        ADM6996FC_PVIDBYDATA(data1, data2)                              
\
+       ((((data1) >> ADM6996FC_PVID_SHIFT) & 0x0f) | ((data2) << 4))
+
+static int
+adm6996fc_probe(device_t dev)
+{
+       int data1, data2;
+       int pc;
+       struct adm6996fc_softc *sc;
+
+       sc = device_get_softc(dev);
+       bzero(sc, sizeof(*sc));
+
+       data1 = ADM6996FC_READREG(device_get_parent(dev), ADM6996FC_CI0);
+       data2 = ADM6996FC_READREG(device_get_parent(dev), ADM6996FC_CI1);
+       pc = ((data2 << 16) | data1) >> ADM6996FC_PC_SHIFT;
+       if (bootverbose)
+               device_printf(dev,"Chip Identifier Register %x %x\n", data1,
+                   data2);
+
+       /* check Product Code */
+       if (pc != ADM6996FC_PRODUCT_CODE) {
+               return (ENXIO);
+       }
+
+       device_set_desc_copy(dev, "Infineon ADM6996FC/M/MX MDIO switch driver");
+       return (BUS_PROBE_DEFAULT);
+}
+
+static int
+adm6996fc_attach_phys(struct adm6996fc_softc *sc)
+{
+       int phy, port, err;
+       char name[IFNAMSIZ];
+
+       port = 0;
+       err = 0;
+       /* PHYs need an interface, so we generate a dummy one */
+       snprintf(name, IFNAMSIZ, "%sport", device_get_nameunit(sc->sc_dev));
+       for (phy = 0; phy < sc->numports; phy++) {
+               if (((1 << phy) & sc->phymask) == 0)
+                       continue;
+               sc->ifpport[phy] = port;
+               sc->portphy[port] = phy;
+               sc->ifp[port] = if_alloc(IFT_ETHER);
+               sc->ifp[port]->if_softc = sc;
+               sc->ifp[port]->if_flags |= IFF_UP | IFF_BROADCAST |
+                   IFF_DRV_RUNNING | IFF_SIMPLEX;
+               if_initname(sc->ifp[port], name, port);
+               sc->miibus[port] = malloc(sizeof(device_t), M_ADM6996FC,
+                   M_WAITOK | M_ZERO);
+               if (sc->miibus[port] == NULL) {
+                       err = ENOMEM;
+                       goto failed;
+               }
+               err = mii_attach(sc->sc_dev, sc->miibus[port], sc->ifp[port],
+                   adm6996fc_ifmedia_upd, adm6996fc_ifmedia_sts, \
+                   BMSR_DEFCAPMASK, phy, MII_OFFSET_ANY, 0);
+               DPRINTF(sc->sc_dev, "%s attached to pseudo interface %s\n",
+                   device_get_nameunit(*sc->miibus[port]),
+                   sc->ifp[port]->if_xname);
+               if (err != 0) {
+                       device_printf(sc->sc_dev,
+                           "attaching PHY %d failed\n",
+                           phy);
+                       goto failed;
+               }
+               ++port;
+       }
+       sc->info.es_nports = port;
+       if (sc->cpuport != -1) {
+               /* assume cpuport is last one */
+               sc->ifpport[sc->cpuport] = port;
+               sc->portphy[port] = sc->cpuport;
+               ++sc->info.es_nports;
+       }
+       return (0);
+
+failed:
+       for (phy = 0; phy < sc->numports; phy++) {
+               if (((1 << phy) & sc->phymask) == 0)
+                       continue;
+               port = adm6996fc_portforphy(sc, phy);
+               if (sc->miibus[port] != NULL)
+                       device_delete_child(sc->sc_dev, (*sc->miibus[port]));
+               if (sc->ifp[port] != NULL)
+                       if_free(sc->ifp[port]);
+               if (sc->ifname[port] != NULL)
+                       free(sc->ifname[port], M_ADM6996FC);
+               if (sc->miibus[port] != NULL)
+                       free(sc->miibus[port], M_ADM6996FC);
+       }
+       return (err);
+}
+
+static int
+adm6996fc_attach(device_t dev)
+{
+       struct adm6996fc_softc  *sc;
+       int                      err;
+
+       err = 0;
+       sc = device_get_softc(dev);
+
+       sc->sc_dev = dev;
+       mtx_init(&sc->sc_mtx, "adm6996fc", NULL, MTX_DEF);
+       strlcpy(sc->info.es_name, device_get_desc(dev),
+           sizeof(sc->info.es_name));
+
+       /* ADM6996FC Defaults */
+       sc->numports = 6;
+       sc->phymask = 0x1f;
+       sc->cpuport = 5;
+       sc->media = 100;
+
+       sc->info.es_nvlangroups = 16;
+       sc->info.es_vlan_caps = ETHERSWITCH_VLAN_PORT | ETHERSWITCH_VLAN_DOT1Q;
+
+       sc->ifp = malloc(sizeof(struct ifnet *) * sc->numports, M_ADM6996FC,
+           M_WAITOK | M_ZERO);
+       sc->ifname = malloc(sizeof(char *) * sc->numports, M_ADM6996FC,
+           M_WAITOK | M_ZERO);
+       sc->miibus = malloc(sizeof(device_t *) * sc->numports, M_ADM6996FC,
+           M_WAITOK | M_ZERO);
+       sc->portphy = malloc(sizeof(int) * sc->numports, M_ADM6996FC,
+           M_WAITOK | M_ZERO);
+
+       if (sc->ifp == NULL || sc->ifname == NULL || sc->miibus == NULL ||
+           sc->portphy == NULL) {
+               err = ENOMEM;
+               goto failed;
+       }
+
+       /*
+        * Attach the PHYs and complete the bus enumeration.
+        */
+       err = adm6996fc_attach_phys(sc);
+       if (err != 0)
+               goto failed;
+
+       bus_generic_probe(dev);
+       bus_enumerate_hinted_children(dev);
+       err = bus_generic_attach(dev);
+       if (err != 0)
+               goto failed;
+       
+       callout_init(&sc->callout_tick, 0);
+
+       adm6996fc_tick(sc);
+       
+       return (0);
+
+failed:
+       if (sc->portphy != NULL)
+               free(sc->portphy, M_ADM6996FC);
+       if (sc->miibus != NULL)
+               free(sc->miibus, M_ADM6996FC);
+       if (sc->ifname != NULL)
+               free(sc->ifname, M_ADM6996FC);
+       if (sc->ifp != NULL)
+               free(sc->ifp, M_ADM6996FC);
+
+       return (err);
+}
+
+static int
+adm6996fc_detach(device_t dev)
+{
+       struct adm6996fc_softc  *sc;
+       int                      i, port;
+
+       sc = device_get_softc(dev);
+
+       callout_drain(&sc->callout_tick);
+
+       for (i = 0; i < MII_NPHY; i++) {
+               if (((1 << i) & sc->phymask) == 0)
+                       continue;
+               port = adm6996fc_portforphy(sc, i);
+               if (sc->miibus[port] != NULL)
+                       device_delete_child(dev, (*sc->miibus[port]));
+               if (sc->ifp[port] != NULL)
+                       if_free(sc->ifp[port]);
+               free(sc->ifname[port], M_ADM6996FC);
+               free(sc->miibus[port], M_ADM6996FC);
+       }
+
+       free(sc->portphy, M_ADM6996FC);
+       free(sc->miibus, M_ADM6996FC);
+       free(sc->ifname, M_ADM6996FC);
+       free(sc->ifp, M_ADM6996FC);
+
+       bus_generic_detach(dev);
+       mtx_destroy(&sc->sc_mtx);
+
+       return (0);
+}
+
+/*
+ * Convert PHY number to port number.
+ */
+static inline int
+adm6996fc_portforphy(struct adm6996fc_softc *sc, int phy)
+{
+
+       return (sc->ifpport[phy]);
+}
+
+static inline struct mii_data *
+adm6996fc_miiforport(struct adm6996fc_softc *sc, int port)
+{
+
+       if (port < 0 || port > sc->numports)
+               return (NULL);
+       if (port == sc->cpuport)
+               return (NULL);
+       return (device_get_softc(*sc->miibus[port]));
+}
+
+static inline struct ifnet *
+adm6996fc_ifpforport(struct adm6996fc_softc *sc, int port)
+{
+
+       if (port < 0 || port > sc->numports)
+               return (NULL);
+       return (sc->ifp[port]);
+}
+
+/*
+ * Poll the status for all PHYs.
+ */
+static void
+adm6996fc_miipollstat(struct adm6996fc_softc *sc)
+{
+       int i, port;
+       struct mii_data *mii;
+       struct mii_softc *miisc;
+
+       ADM6996FC_LOCK_ASSERT(sc, MA_NOTOWNED);
+
+       for (i = 0; i < MII_NPHY; i++) {
+               if (((1 << i) & sc->phymask) == 0)
+                       continue;
+               port = adm6996fc_portforphy(sc, i);
+               if ((*sc->miibus[port]) == NULL)
+                       continue;
+               mii = device_get_softc(*sc->miibus[port]);
+               LIST_FOREACH(miisc, &mii->mii_phys, mii_list) {
+                       if (IFM_INST(mii->mii_media.ifm_cur->ifm_media) !=
+                           miisc->mii_inst)
+                               continue;
+                       ukphy_status(miisc);
+                       mii_phy_update(miisc, MII_POLLSTAT);
+               }
+       }
+}
+
+static void
+adm6996fc_tick(void *arg)
+{
+       struct adm6996fc_softc *sc;
+
+       sc = arg;
+
+       adm6996fc_miipollstat(sc);
+       callout_reset(&sc->callout_tick, hz, adm6996fc_tick, sc);
+}
+
+static void
+adm6996fc_lock(device_t dev)
+{
+       struct adm6996fc_softc *sc;
+
+       sc = device_get_softc(dev);
+
+       ADM6996FC_LOCK_ASSERT(sc, MA_NOTOWNED);
+       ADM6996FC_LOCK(sc);
+}
+
+static void
+adm6996fc_unlock(device_t dev)
+{
+       struct adm6996fc_softc *sc;
+
+       sc = device_get_softc(dev);
+
+       ADM6996FC_LOCK_ASSERT(sc, MA_OWNED);
+       ADM6996FC_UNLOCK(sc);
+}
+
+static etherswitch_info_t *
+adm6996fc_getinfo(device_t dev)
+{
+       struct adm6996fc_softc *sc;
+
+       sc = device_get_softc(dev);
+       
+       return (&sc->info);
+}
+
+static int
+adm6996fc_getport(device_t dev, etherswitch_port_t *p)
+{
+       struct adm6996fc_softc  *sc;
+       struct mii_data         *mii;
+       struct ifmediareq       *ifmr;
+       device_t                 parent;
+       int                      err, phy;
+       int                      data1, data2;
+
+       int     bcaddr[6] = {0x01, 0x03, 0x05, 0x07, 0x08, 0x09};
+       int     vidaddr[6] = {0x28, 0x29, 0x2a, 0x2b, 0x2b, 0x2c};
+
+       sc = device_get_softc(dev);
+       ifmr = &p->es_ifmr;
+
+       if (p->es_port < 0 || p->es_port >= sc->numports)
+               return (ENXIO);
+
+       parent = device_get_parent(dev);
+
+       if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
+               data1 = ADM6996FC_READREG(parent, bcaddr[p->es_port]);
+               data2 = ADM6996FC_READREG(parent, vidaddr[p->es_port]);
+               /* only port 4 is hi bit */
+               if (p->es_port == 4)
+                       data2 = (data2 >> 8) & 0xff;
+               else
+                       data2 = data2 & 0xff;
+
+               p->es_pvid = ADM6996FC_PVIDBYDATA(data1, data2);
+               if (((data1 >> ADM6996FC_OPTE_SHIFT) & 0x01) == 1)
+                       p->es_flags |= ETHERSWITCH_PORT_ADDTAG;
+               else
+                       p->es_flags |= ETHERSWITCH_PORT_STRIPTAG;
+       } else {
+               p->es_pvid = 0;
+       }
+
+       phy = sc->portphy[p->es_port];
+       mii = adm6996fc_miiforport(sc, p->es_port);
+       if (sc->cpuport != -1 && phy == sc->cpuport) {
+               /* fill in fixed values for CPU port */
+               p->es_flags |= ETHERSWITCH_PORT_CPU;
+               ifmr->ifm_count = 0;
+               if (sc->media == 100)
+                       ifmr->ifm_current = ifmr->ifm_active =
+                           IFM_ETHER | IFM_100_TX | IFM_FDX;
+               else
+                       ifmr->ifm_current = ifmr->ifm_active =
+                           IFM_ETHER | IFM_1000_T | IFM_FDX;
+               ifmr->ifm_mask = 0;
+               ifmr->ifm_status = IFM_ACTIVE | IFM_AVALID;
+       } else if (mii != NULL) {
+               err = ifmedia_ioctl(mii->mii_ifp, &p->es_ifr,
+                   &mii->mii_media, SIOCGIFMEDIA);
+               if (err)
+                       return (err);
+       } else {
+               return (ENXIO);
+       }
+       return (0);
+}
+
+static int
+adm6996fc_setport(device_t dev, etherswitch_port_t *p)
+{
+       struct adm6996fc_softc  *sc;
+       struct ifmedia          *ifm;
+       struct mii_data         *mii;
+       struct ifnet            *ifp;
+       device_t                 parent;
+       int                      err;
+       int                      data;
+
+       int     bcaddr[6] = {0x01, 0x03, 0x05, 0x07, 0x08, 0x09};
+       int     vidaddr[6] = {0x28, 0x29, 0x2a, 0x2b, 0x2b, 0x2c};
+
+       sc = device_get_softc(dev);
+       parent = device_get_parent(dev);
+
+       if (p->es_port < 0 || p->es_port >= sc->numports)
+               return (ENXIO);
+
+       if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
+               data = ADM6996FC_READREG(parent, bcaddr[p->es_port]);
+               data &= ~(0xf << 10);
+               data |= (p->es_pvid & 0xf) << ADM6996FC_PVID_SHIFT;
+               ADM6996FC_WRITEREG(parent, bcaddr[p->es_port], data);
+               data = ADM6996FC_READREG(parent, vidaddr[p->es_port]);
+               /* only port 4 is hi bit */
+               if (p->es_port == 4) {
+                       data &= ~(0xff << 8);
+                       data = data | (((p->es_pvid >> 4) & 0xff) << 8);
+               } else {
+                       data &= ~0xff;
+                       data = data | ((p->es_pvid >> 4) & 0xff);
+               }
+               ADM6996FC_WRITEREG(parent, vidaddr[p->es_port], data);
+               err = 0;
+       } else {
+               if (sc->portphy[p->es_port] == sc->cpuport)
+                       return (ENXIO);
+       } 
+
+       if (sc->portphy[p->es_port] != sc->cpuport) {
+               mii = adm6996fc_miiforport(sc, p->es_port);
+               if (mii == NULL)
+                       return (ENXIO);
+
+               ifp = adm6996fc_ifpforport(sc, p->es_port);
+
+               ifm = &mii->mii_media;
+               err = ifmedia_ioctl(ifp, &p->es_ifr, ifm, SIOCSIFMEDIA);
+       }
+       return (err);
+}
+
+static int
+adm6996fc_getvgroup(device_t dev, etherswitch_vlangroup_t *vg)
+{
+       struct adm6996fc_softc  *sc;
+       device_t                 parent;
+       int                      datahi, datalo;
+
+       sc = device_get_softc(dev);
+       parent = device_get_parent(dev);
+
+       if (sc->vlan_mode == ETHERSWITCH_VLAN_PORT) {
+               if (vg->es_vlangroup <= 5) {
+                       vg->es_vid = ETHERSWITCH_VID_VALID;
+                       vg->es_vid |= vg->es_vlangroup;
+                       datalo = ADM6996FC_READREG(parent,
+                           ADM6996FC_VF0L + 2 * vg->es_vlangroup);
+                       datahi = ADM6996FC_READREG(parent,
+                           ADM6996FC_VF0H + 2 * vg->es_vlangroup);
+
+                       vg->es_member_ports = datalo & 0x3f;
+                       vg->es_untagged_ports = vg->es_member_ports;
+                       vg->es_fid = 0;
+               } else {
+                       vg->es_vid = 0;
+               }
+       } else if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
+               datalo = ADM6996FC_READREG(parent,
+                   ADM6996FC_VF0L + 2 * vg->es_vlangroup);
+               datahi = ADM6996FC_READREG(parent,
+                   ADM6996FC_VF0H + 2 * vg->es_vlangroup);
+               
+               if (datahi & (1 << ADM6996FC_VV_SHIFT)) {
+                       vg->es_vid = ETHERSWITCH_VID_VALID;
+                       vg->es_vid |= datahi & 0xfff;
+                       vg->es_member_ports = datalo & 0x3f;
+                       vg->es_untagged_ports = (~datalo >> 6) & 0x3f;
+                       vg->es_fid = 0;
+               } else {
+                       vg->es_fid = 0;
+               }
+       } else {
+               vg->es_fid = 0;
+       }
+
+       return (0);
+}
+
+static int
+adm6996fc_setvgroup(device_t dev, etherswitch_vlangroup_t *vg)
+{
+       struct adm6996fc_softc  *sc;
+       device_t                 parent;
+
+       sc = device_get_softc(dev);
+       parent = device_get_parent(dev);
+
+       if (sc->vlan_mode == ETHERSWITCH_VLAN_PORT) {
+               ADM6996FC_WRITEREG(parent, ADM6996FC_VF0L + 2 * 
vg->es_vlangroup,
+                   vg->es_member_ports);
+       } else if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
+               ADM6996FC_WRITEREG(parent, ADM6996FC_VF0L + 2 * 
vg->es_vlangroup,
+                   vg->es_member_ports | ((~vg->es_untagged_ports & 0x3f)<< 
6));
+               ADM6996FC_WRITEREG(parent, ADM6996FC_VF0H + 2 * 
vg->es_vlangroup,
+                   (1 << ADM6996FC_VV_SHIFT) | vg->es_vid);
+       }
+
+       return (0);
+}
+
+static int
+adm6996fc_getconf(device_t dev, etherswitch_conf_t *conf)
+{
+       struct adm6996fc_softc *sc;
+
+       sc = device_get_softc(dev);
+
+       /* Return the VLAN mode. */
+       conf->cmd = ETHERSWITCH_CONF_VLAN_MODE;
+       conf->vlan_mode = sc->vlan_mode;
+
+       return (0);
+}
+
+static int
+adm6996fc_setconf(device_t dev, etherswitch_conf_t *conf)
+{
+       struct adm6996fc_softc  *sc;
+       device_t                 parent;
+       int                      i;
+       int                      data;
+       int     bcaddr[6] = {0x01, 0x03, 0x05, 0x07, 0x08, 0x09};
+
+       sc = device_get_softc(dev);
+       parent = device_get_parent(dev);
+
+       if ((conf->cmd & ETHERSWITCH_CONF_VLAN_MODE) == 0)
+               return (0);
+
+       if (conf->vlan_mode == ETHERSWITCH_VLAN_PORT) {
+               sc->vlan_mode = ETHERSWITCH_VLAN_PORT;
+               data = ADM6996FC_READREG(parent, ADM6996FC_SC3);
+               data &= ~(1 << ADM6996FC_TBV_SHIFT);
+               ADM6996FC_WRITEREG(parent, ADM6996FC_SC3, data);
+               for (i = 0;i <= 5; ++i) {
+                       data = ADM6996FC_READREG(parent, bcaddr[i]);
+                       data &= ~(0xf << 10);
+                       data |= (i << 10);
+                       ADM6996FC_WRITEREG(parent, bcaddr[i], data);
+                       ADM6996FC_WRITEREG(parent, ADM6996FC_VF0L + 2 * i,
+                           0x003f);
+                       ADM6996FC_WRITEREG(parent, ADM6996FC_VF0H + 2 * i,
+                           (1 << ADM6996FC_VV_SHIFT) | 1);
+               }
+       } else if (conf->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
+               sc->vlan_mode = ETHERSWITCH_VLAN_DOT1Q;
+               data = ADM6996FC_READREG(parent, ADM6996FC_SC3);
+               data |= (1 << ADM6996FC_TBV_SHIFT);
+               ADM6996FC_WRITEREG(parent, ADM6996FC_SC3, data);
+               for (i = 0;i <= 5; ++i) {
+                       data = ADM6996FC_READREG(parent, bcaddr[i]);
+                       /* Private VID set 1 */
+                       data &= ~(0xf << 10);
+                       data |= (1 << 10);
+                       /* Output Packet Tagging Enable */
+                       if (i == 5)
+                               data |= (1 << 4);
+                       ADM6996FC_WRITEREG(parent, bcaddr[i], data);
+               }
+               for (i = 2;i <= 15; ++i) {
+                       ADM6996FC_WRITEREG(parent, ADM6996FC_VF0H + 2 * i,
+                           0x0000);
+               }
+       } else {
+               /*
+                ADM6996FC have no VLAN off. Then set Port base and
+                add all port to member. Use VLAN Filter 1 is reset
+                default.
+                */
+               sc->vlan_mode = 0;
+               data = ADM6996FC_READREG(parent, ADM6996FC_SC3);
+               data &= ~(1 << ADM6996FC_TBV_SHIFT);
+               ADM6996FC_WRITEREG(parent, ADM6996FC_SC3, data);
+               for (i = 0;i <= 5; ++i) {
+                       data = ADM6996FC_READREG(parent, bcaddr[i]);
+                       data &= ~(0xf << 10);
+                       data |= (1 << 10);
+                       if (i == 5)
+                               data &= ~(1 << 4);
+                       ADM6996FC_WRITEREG(parent, bcaddr[i], data);
+               }
+               /* default setting */
+               ADM6996FC_WRITEREG(parent, ADM6996FC_VF0L + 2, 0x003f);
+               ADM6996FC_WRITEREG(parent, ADM6996FC_VF0H + 2,
+                   (1 << ADM6996FC_VV_SHIFT) | 1);
+       }
+
+
+       return (0);
+}
+
+static void
+adm6996fc_statchg(device_t dev)
+{
+
+       DPRINTF(dev, "%s\n", __func__);
+}
+
+static int
+adm6996fc_ifmedia_upd(struct ifnet *ifp)
+{
+       struct adm6996fc_softc *sc;
+       struct mii_data *mii;
+
+       sc = ifp->if_softc;
+       mii = adm6996fc_miiforport(sc, ifp->if_dunit);
+
+       DPRINTF(sc->sc_dev, "%s\n", __func__);
+       if (mii == NULL)
+               return (ENXIO);
+       mii_mediachg(mii);
+       return (0);
+}
+
+static void
+adm6996fc_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
+{
+       struct adm6996fc_softc *sc;
+       struct mii_data *mii;
+
+       sc = ifp->if_softc;
+       mii = adm6996fc_miiforport(sc, ifp->if_dunit);
+
+       DPRINTF(sc->sc_dev, "%s\n", __func__);
+
+       if (mii == NULL)
+               return;
+       mii_pollstat(mii);
+       ifmr->ifm_active = mii->mii_media_active;
+       ifmr->ifm_status = mii->mii_media_status;
+}
+
+static int
+adm6996fc_readphy(device_t dev, int phy, int reg)
+{
+       struct adm6996fc_softc  *sc;
+       int                      data;
+
+       sc = device_get_softc(dev);
+       ADM6996FC_LOCK_ASSERT(sc, MA_NOTOWNED);
+
+       if (phy < 0 || phy >= 32)
+               return (ENXIO);
+       if (reg < 0 || reg >= 32)
+               return (ENXIO);
+
+       ADM6996FC_LOCK(sc);
+       data = ADM6996FC_READREG(device_get_parent(dev),
+           (ADM6996FC_PHY_C0 + ADM6996FC_PHY_SIZE * phy) + reg);
+       ADM6996FC_UNLOCK(sc);
+
+       return (data);
+}
+
+static int
+adm6996fc_writephy(device_t dev, int phy, int reg, int data)
+{
+       struct adm6996fc_softc *sc;
+       int err;
+
+       sc = device_get_softc(dev);
+       ADM6996FC_LOCK_ASSERT(sc, MA_NOTOWNED);
+
+       if (phy < 0 || phy >= 32)
+               return (ENXIO);
+       if (reg < 0 || reg >= 32)
+               return (ENXIO);
+
+       ADM6996FC_LOCK(sc);
+       err = ADM6996FC_WRITEREG(device_get_parent(dev),
+           (ADM6996FC_PHY_C0 + ADM6996FC_PHY_SIZE * phy) + reg, data);
+       ADM6996FC_UNLOCK(sc);
+
+       return (err);
+}
+
+static int
+adm6996fc_readreg(device_t dev, int addr)
+{
+
+       return ADM6996FC_READREG(device_get_parent(dev),  addr);
+}
+
+static int
+adm6996fc_writereg(device_t dev, int addr, int value)
+{
+       int err;
+
+       err = ADM6996FC_WRITEREG(device_get_parent(dev), addr, value);
+       return (err);
+}
+
+static device_method_t adm6996fc_methods[] = {
+       /* Device interface */
+       DEVMETHOD(device_probe,         adm6996fc_probe),
+       DEVMETHOD(device_attach,        adm6996fc_attach),
+       DEVMETHOD(device_detach,        adm6996fc_detach),
+       
+       /* bus interface */
+       DEVMETHOD(bus_add_child,        device_add_child_ordered),
+       
+       /* MII interface */
+       DEVMETHOD(miibus_readreg,       adm6996fc_readphy),
+       DEVMETHOD(miibus_writereg,      adm6996fc_writephy),
+       DEVMETHOD(miibus_statchg,       adm6996fc_statchg),
+
+       /* MDIO interface */
+       DEVMETHOD(mdio_readreg,         adm6996fc_readphy),
+       DEVMETHOD(mdio_writereg,        adm6996fc_writephy),
+
+       /* etherswitch interface */
+       DEVMETHOD(etherswitch_lock,     adm6996fc_lock),
+       DEVMETHOD(etherswitch_unlock,   adm6996fc_unlock),
+       DEVMETHOD(etherswitch_getinfo,  adm6996fc_getinfo),
+       DEVMETHOD(etherswitch_readreg,  adm6996fc_readreg),
+       DEVMETHOD(etherswitch_writereg, adm6996fc_writereg),
+       DEVMETHOD(etherswitch_readphyreg,       adm6996fc_readphy),
+       DEVMETHOD(etherswitch_writephyreg,      adm6996fc_writephy),
+       DEVMETHOD(etherswitch_getport,  adm6996fc_getport),
+       DEVMETHOD(etherswitch_setport,  adm6996fc_setport),
+       DEVMETHOD(etherswitch_getvgroup,        adm6996fc_getvgroup),
+       DEVMETHOD(etherswitch_setvgroup,        adm6996fc_setvgroup),
+       DEVMETHOD(etherswitch_setconf,  adm6996fc_setconf),
+       DEVMETHOD(etherswitch_getconf,  adm6996fc_getconf),
+
+       DEVMETHOD_END
+};
+
+DEFINE_CLASS_0(adm6996fc, adm6996fc_driver, adm6996fc_methods,
+    sizeof(struct adm6996fc_softc));
+static devclass_t adm6996fc_devclass;
+
+DRIVER_MODULE(adm6996fc, mdio, adm6996fc_driver, adm6996fc_devclass, 0, 0);
+DRIVER_MODULE(miibus, adm6996fc, miibus_driver, miibus_devclass, 0, 0);
+DRIVER_MODULE(mdio, adm6996fc, mdio_driver, mdio_devclass, 0, 0);
+DRIVER_MODULE(etherswitch, adm6996fc, etherswitch_driver, etherswitch_devclass,
+    0, 0);
+MODULE_VERSION(adm6996fc, 1);
+MODULE_DEPEND(adm6996fc, miibus, 1, 1, 1); /* XXX which versions? */
+MODULE_DEPEND(adm6996fc, etherswitch, 1, 1, 1); /* XXX which versions? */
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