2017-01-14 23:24:50 +00:00
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/*-
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* Copyright (c) 2016 Hiroki Mori
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* Copyright (c) 2013 Luiz Otavio O Souza.
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* Copyright (c) 2011-2012 Stefan Bethke.
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* Copyright (c) 2012 Adrian Chadd.
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* All rights reserved.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* This is Micrel KSZ8995MA driver code. KSZ8995MA use SPI bus on control.
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* This code development on @SRCHACK's ksz8995ma board and FON2100 with
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* gpiospi.
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* etherswitchcfg command port option support addtag, ingress, striptag,
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* dropuntagged.
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*/
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#include <sys/param.h>
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#include <sys/bus.h>
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#include <sys/errno.h>
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#include <sys/kernel.h>
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#include <sys/lock.h>
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#include <sys/malloc.h>
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#include <sys/module.h>
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#include <sys/mutex.h>
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#include <sys/socket.h>
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#include <sys/sockio.h>
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#include <sys/sysctl.h>
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#include <sys/systm.h>
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#include <net/if.h>
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#include <net/if_var.h>
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#include <net/ethernet.h>
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#include <net/if_media.h>
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#include <net/if_types.h>
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#include <machine/bus.h>
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#include <dev/mii/mii.h>
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#include <dev/mii/miivar.h>
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#include <dev/etherswitch/etherswitch.h>
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#include <dev/spibus/spi.h>
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#include "spibus_if.h"
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#include "miibus_if.h"
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#include "etherswitch_if.h"
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#define KSZ8995MA_SPI_READ 0x03
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#define KSZ8995MA_SPI_WRITE 0x02
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#define KSZ8995MA_CID0 0x00
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#define KSZ8995MA_CID1 0x01
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#define KSZ8995MA_GC0 0x02
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#define KSZ8995MA_GC1 0x03
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#define KSZ8995MA_GC2 0x04
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#define KSZ8995MA_GC3 0x05
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#define KSZ8995MA_PORT_SIZE 0x10
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#define KSZ8995MA_PC0_BASE 0x10
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#define KSZ8995MA_PC1_BASE 0x11
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#define KSZ8995MA_PC2_BASE 0x12
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#define KSZ8995MA_PC3_BASE 0x13
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#define KSZ8995MA_PC4_BASE 0x14
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#define KSZ8995MA_PC5_BASE 0x15
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#define KSZ8995MA_PC6_BASE 0x16
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#define KSZ8995MA_PC7_BASE 0x17
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#define KSZ8995MA_PC8_BASE 0x18
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#define KSZ8995MA_PC9_BASE 0x19
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#define KSZ8995MA_PC10_BASE 0x1a
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#define KSZ8995MA_PC11_BASE 0x1b
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#define KSZ8995MA_PC12_BASE 0x1c
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#define KSZ8995MA_PC13_BASE 0x1d
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#define KSZ8995MA_PS0_BASE 0x1e
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#define KSZ8995MA_PC14_BASE 0x1f
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#define KSZ8995MA_IAC0 0x6e
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#define KSZ8995MA_IAC1 0x6f
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#define KSZ8995MA_IDR8 0x70
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#define KSZ8995MA_IDR7 0x71
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#define KSZ8995MA_IDR6 0x72
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#define KSZ8995MA_IDR5 0x73
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#define KSZ8995MA_IDR4 0x74
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#define KSZ8995MA_IDR3 0x75
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#define KSZ8995MA_IDR2 0x76
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#define KSZ8995MA_IDR1 0x77
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#define KSZ8995MA_IDR0 0x78
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#define KSZ8995MA_FAMILI_ID 0x95
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#define KSZ8995MA_CHIP_ID 0x00
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#define KSZ8995MA_CHIP_ID_MASK 0xf0
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#define KSZ8995MA_START 0x01
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#define KSZ8995MA_VLAN_ENABLE 0x80
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#define KSZ8995MA_TAG_INS 0x04
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#define KSZ8995MA_TAG_RM 0x02
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#define KSZ8995MA_INGR_FILT 0x40
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#define KSZ8995MA_DROP_NONPVID 0x20
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#define KSZ8995MA_PDOWN 0x08
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#define KSZ8995MA_STARTNEG 0x20
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#define KSZ8995MA_MII_STAT 0x7808
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#define KSZ8995MA_MII_PHYID_H 0x0022
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#define KSZ8995MA_MII_PHYID_L 0x1450
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#define KSZ8995MA_MII_AA 0x0401
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#define KSZ8995MA_VLAN_TABLE_VALID 0x20
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#define KSZ8995MA_VLAN_TABLE_READ 0x14
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#define KSZ8995MA_VLAN_TABLE_WRITE 0x04
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#define KSZ8995MA_MAX_PORT 5
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MALLOC_DECLARE(M_KSZ8995MA);
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MALLOC_DEFINE(M_KSZ8995MA, "ksz8995ma", "ksz8995ma data structures");
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struct ksz8995ma_softc {
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struct mtx sc_mtx; /* serialize access to softc */
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device_t sc_dev;
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int vlan_mode;
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int media; /* cpu port media */
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int cpuport; /* which PHY is connected to the CPU */
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int phymask; /* PHYs we manage */
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int numports; /* number of ports */
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int ifpport[KSZ8995MA_MAX_PORT];
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int *portphy;
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char **ifname;
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device_t **miibus;
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struct ifnet **ifp;
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struct callout callout_tick;
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etherswitch_info_t info;
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};
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#define KSZ8995MA_LOCK(_sc) \
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mtx_lock(&(_sc)->sc_mtx)
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#define KSZ8995MA_UNLOCK(_sc) \
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mtx_unlock(&(_sc)->sc_mtx)
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#define KSZ8995MA_LOCK_ASSERT(_sc, _what) \
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mtx_assert(&(_sc)->sc_mtx, (_what))
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#define KSZ8995MA_TRYLOCK(_sc) \
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mtx_trylock(&(_sc)->sc_mtx)
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#if defined(DEBUG)
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#define DPRINTF(dev, args...) device_printf(dev, args)
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#else
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#define DPRINTF(dev, args...)
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#endif
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static inline int ksz8995ma_portforphy(struct ksz8995ma_softc *, int);
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static void ksz8995ma_tick(void *);
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static int ksz8995ma_ifmedia_upd(struct ifnet *);
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static void ksz8995ma_ifmedia_sts(struct ifnet *, struct ifmediareq *);
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static int ksz8995ma_readreg(device_t dev, int addr);
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static int ksz8995ma_writereg(device_t dev, int addr, int value);
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static void ksz8995ma_portvlanreset(device_t dev);
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static int
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ksz8995ma_probe(device_t dev)
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{
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int id0, id1;
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struct ksz8995ma_softc *sc;
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sc = device_get_softc(dev);
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bzero(sc, sizeof(*sc));
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id0 = ksz8995ma_readreg(dev, KSZ8995MA_CID0);
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id1 = ksz8995ma_readreg(dev, KSZ8995MA_CID1);
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if (bootverbose)
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device_printf(dev,"Chip Identifier Register %x %x\n", id0, id1);
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/* check Product Code */
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if (id0 != KSZ8995MA_FAMILI_ID || (id1 & KSZ8995MA_CHIP_ID_MASK) !=
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KSZ8995MA_CHIP_ID) {
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return (ENXIO);
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}
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device_set_desc_copy(dev, "Micrel KSZ8995MA SPI switch driver");
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return (BUS_PROBE_DEFAULT);
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}
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static int
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ksz8995ma_attach_phys(struct ksz8995ma_softc *sc)
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{
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int phy, port, err;
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char name[IFNAMSIZ];
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port = 0;
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err = 0;
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/* PHYs need an interface, so we generate a dummy one */
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snprintf(name, IFNAMSIZ, "%sport", device_get_nameunit(sc->sc_dev));
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for (phy = 0; phy < sc->numports; phy++) {
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if (phy == sc->cpuport)
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continue;
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if (((1 << phy) & sc->phymask) == 0)
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continue;
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sc->ifpport[phy] = port;
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sc->portphy[port] = phy;
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sc->ifp[port] = if_alloc(IFT_ETHER);
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2018-01-24 21:33:18 +00:00
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if (sc->ifp[port] == NULL) {
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device_printf(sc->sc_dev, "couldn't allocate ifnet structure\n");
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err = ENOMEM;
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break;
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}
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2017-01-14 23:24:50 +00:00
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sc->ifp[port]->if_softc = sc;
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sc->ifp[port]->if_flags |= IFF_UP | IFF_BROADCAST |
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IFF_DRV_RUNNING | IFF_SIMPLEX;
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if_initname(sc->ifp[port], name, port);
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sc->miibus[port] = malloc(sizeof(device_t), M_KSZ8995MA,
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M_WAITOK | M_ZERO);
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if (sc->miibus[port] == NULL) {
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err = ENOMEM;
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goto failed;
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}
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err = mii_attach(sc->sc_dev, sc->miibus[port], sc->ifp[port],
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ksz8995ma_ifmedia_upd, ksz8995ma_ifmedia_sts, \
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BMSR_DEFCAPMASK, phy, MII_OFFSET_ANY, 0);
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DPRINTF(sc->sc_dev, "%s attached to pseudo interface %s\n",
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device_get_nameunit(*sc->miibus[port]),
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sc->ifp[port]->if_xname);
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if (err != 0) {
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device_printf(sc->sc_dev,
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"attaching PHY %d failed\n",
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phy);
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goto failed;
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}
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++port;
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}
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sc->info.es_nports = port;
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if (sc->cpuport != -1) {
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/* cpu port is MAC5 on ksz8995ma */
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sc->ifpport[sc->cpuport] = port;
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sc->portphy[port] = sc->cpuport;
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++sc->info.es_nports;
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}
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return (0);
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failed:
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for (phy = 0; phy < sc->numports; phy++) {
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if (((1 << phy) & sc->phymask) == 0)
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continue;
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port = ksz8995ma_portforphy(sc, phy);
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if (sc->miibus[port] != NULL)
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device_delete_child(sc->sc_dev, (*sc->miibus[port]));
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if (sc->ifp[port] != NULL)
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if_free(sc->ifp[port]);
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if (sc->ifname[port] != NULL)
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free(sc->ifname[port], M_KSZ8995MA);
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if (sc->miibus[port] != NULL)
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free(sc->miibus[port], M_KSZ8995MA);
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}
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return (err);
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}
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static int
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ksz8995ma_attach(device_t dev)
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{
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struct ksz8995ma_softc *sc;
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int err, reg;
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err = 0;
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sc = device_get_softc(dev);
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sc->sc_dev = dev;
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mtx_init(&sc->sc_mtx, "ksz8995ma", NULL, MTX_DEF);
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strlcpy(sc->info.es_name, device_get_desc(dev),
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sizeof(sc->info.es_name));
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/* KSZ8995MA Defaults */
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sc->numports = KSZ8995MA_MAX_PORT;
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sc->phymask = (1 << (KSZ8995MA_MAX_PORT + 1)) - 1;
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sc->cpuport = -1;
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sc->media = 100;
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(void) resource_int_value(device_get_name(dev), device_get_unit(dev),
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"cpuport", &sc->cpuport);
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sc->info.es_nvlangroups = 16;
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sc->info.es_vlan_caps = ETHERSWITCH_VLAN_PORT | ETHERSWITCH_VLAN_DOT1Q;
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sc->ifp = malloc(sizeof(struct ifnet *) * sc->numports, M_KSZ8995MA,
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M_WAITOK | M_ZERO);
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sc->ifname = malloc(sizeof(char *) * sc->numports, M_KSZ8995MA,
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M_WAITOK | M_ZERO);
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sc->miibus = malloc(sizeof(device_t *) * sc->numports, M_KSZ8995MA,
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M_WAITOK | M_ZERO);
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sc->portphy = malloc(sizeof(int) * sc->numports, M_KSZ8995MA,
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M_WAITOK | M_ZERO);
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if (sc->ifp == NULL || sc->ifname == NULL || sc->miibus == NULL ||
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sc->portphy == NULL) {
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err = ENOMEM;
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goto failed;
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}
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/*
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* Attach the PHYs and complete the bus enumeration.
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*/
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err = ksz8995ma_attach_phys(sc);
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if (err != 0)
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goto failed;
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bus_generic_probe(dev);
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bus_enumerate_hinted_children(dev);
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err = bus_generic_attach(dev);
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if (err != 0)
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goto failed;
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callout_init(&sc->callout_tick, 0);
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ksz8995ma_tick(sc);
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/* start switch */
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sc->vlan_mode = 0;
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|
|
reg = ksz8995ma_readreg(dev, KSZ8995MA_GC3);
|
|
|
|
ksz8995ma_writereg(dev, KSZ8995MA_GC3,
|
|
|
|
reg & ~KSZ8995MA_VLAN_ENABLE);
|
|
|
|
ksz8995ma_portvlanreset(dev);
|
|
|
|
ksz8995ma_writereg(dev, KSZ8995MA_CID1, KSZ8995MA_START);
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
|
|
|
|
failed:
|
|
|
|
if (sc->portphy != NULL)
|
|
|
|
free(sc->portphy, M_KSZ8995MA);
|
|
|
|
if (sc->miibus != NULL)
|
|
|
|
free(sc->miibus, M_KSZ8995MA);
|
|
|
|
if (sc->ifname != NULL)
|
|
|
|
free(sc->ifname, M_KSZ8995MA);
|
|
|
|
if (sc->ifp != NULL)
|
|
|
|
free(sc->ifp, M_KSZ8995MA);
|
|
|
|
|
|
|
|
return (err);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
ksz8995ma_detach(device_t dev)
|
|
|
|
{
|
|
|
|
struct ksz8995ma_softc *sc;
|
|
|
|
int i, port;
|
|
|
|
|
|
|
|
sc = device_get_softc(dev);
|
|
|
|
|
|
|
|
callout_drain(&sc->callout_tick);
|
|
|
|
|
|
|
|
for (i = 0; i < KSZ8995MA_MAX_PORT; i++) {
|
|
|
|
if (((1 << i) & sc->phymask) == 0)
|
|
|
|
continue;
|
|
|
|
port = ksz8995ma_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_KSZ8995MA);
|
|
|
|
free(sc->miibus[port], M_KSZ8995MA);
|
|
|
|
}
|
|
|
|
|
|
|
|
free(sc->portphy, M_KSZ8995MA);
|
|
|
|
free(sc->miibus, M_KSZ8995MA);
|
|
|
|
free(sc->ifname, M_KSZ8995MA);
|
|
|
|
free(sc->ifp, M_KSZ8995MA);
|
|
|
|
|
|
|
|
bus_generic_detach(dev);
|
|
|
|
mtx_destroy(&sc->sc_mtx);
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Convert PHY number to port number.
|
|
|
|
*/
|
|
|
|
static inline int
|
|
|
|
ksz8995ma_portforphy(struct ksz8995ma_softc *sc, int phy)
|
|
|
|
{
|
|
|
|
|
|
|
|
return (sc->ifpport[phy]);
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline struct mii_data *
|
|
|
|
ksz8995ma_miiforport(struct ksz8995ma_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 *
|
|
|
|
ksz8995ma_ifpforport(struct ksz8995ma_softc *sc, int port)
|
|
|
|
{
|
|
|
|
|
|
|
|
if (port < 0 || port > sc->numports)
|
|
|
|
return (NULL);
|
|
|
|
return (sc->ifp[port]);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Poll the status for all PHYs.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
ksz8995ma_miipollstat(struct ksz8995ma_softc *sc)
|
|
|
|
{
|
|
|
|
int i, port;
|
|
|
|
struct mii_data *mii;
|
|
|
|
struct mii_softc *miisc;
|
|
|
|
|
|
|
|
KSZ8995MA_LOCK_ASSERT(sc, MA_NOTOWNED);
|
|
|
|
|
|
|
|
for (i = 0; i < KSZ8995MA_MAX_PORT; i++) {
|
|
|
|
if (i == sc->cpuport)
|
|
|
|
continue;
|
|
|
|
if (((1 << i) & sc->phymask) == 0)
|
|
|
|
continue;
|
|
|
|
port = ksz8995ma_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
|
|
|
|
ksz8995ma_tick(void *arg)
|
|
|
|
{
|
|
|
|
struct ksz8995ma_softc *sc;
|
|
|
|
|
|
|
|
sc = arg;
|
|
|
|
|
|
|
|
ksz8995ma_miipollstat(sc);
|
|
|
|
callout_reset(&sc->callout_tick, hz, ksz8995ma_tick, sc);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
ksz8995ma_lock(device_t dev)
|
|
|
|
{
|
|
|
|
struct ksz8995ma_softc *sc;
|
|
|
|
|
|
|
|
sc = device_get_softc(dev);
|
|
|
|
|
|
|
|
KSZ8995MA_LOCK_ASSERT(sc, MA_NOTOWNED);
|
|
|
|
KSZ8995MA_LOCK(sc);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
ksz8995ma_unlock(device_t dev)
|
|
|
|
{
|
|
|
|
struct ksz8995ma_softc *sc;
|
|
|
|
|
|
|
|
sc = device_get_softc(dev);
|
|
|
|
|
|
|
|
KSZ8995MA_LOCK_ASSERT(sc, MA_OWNED);
|
|
|
|
KSZ8995MA_UNLOCK(sc);
|
|
|
|
}
|
|
|
|
|
|
|
|
static etherswitch_info_t *
|
|
|
|
ksz8995ma_getinfo(device_t dev)
|
|
|
|
{
|
|
|
|
struct ksz8995ma_softc *sc;
|
|
|
|
|
|
|
|
sc = device_get_softc(dev);
|
|
|
|
|
|
|
|
return (&sc->info);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
ksz8995ma_getport(device_t dev, etherswitch_port_t *p)
|
|
|
|
{
|
|
|
|
struct ksz8995ma_softc *sc;
|
|
|
|
struct mii_data *mii;
|
|
|
|
struct ifmediareq *ifmr;
|
|
|
|
int phy, err;
|
|
|
|
int tag1, tag2, portreg;
|
|
|
|
|
|
|
|
sc = device_get_softc(dev);
|
|
|
|
ifmr = &p->es_ifmr;
|
|
|
|
|
|
|
|
if (p->es_port < 0 || p->es_port >= sc->numports)
|
|
|
|
return (ENXIO);
|
|
|
|
|
|
|
|
if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
|
|
|
|
tag1 = ksz8995ma_readreg(dev, KSZ8995MA_PC3_BASE +
|
|
|
|
KSZ8995MA_PORT_SIZE * p->es_port);
|
|
|
|
tag2 = ksz8995ma_readreg(dev, KSZ8995MA_PC4_BASE +
|
|
|
|
KSZ8995MA_PORT_SIZE * p->es_port);
|
|
|
|
p->es_pvid = (tag1 & 0x0f) << 8 | tag2;
|
|
|
|
|
|
|
|
portreg = ksz8995ma_readreg(dev, KSZ8995MA_PC0_BASE +
|
|
|
|
KSZ8995MA_PORT_SIZE * p->es_port);
|
|
|
|
if (portreg & KSZ8995MA_TAG_INS)
|
|
|
|
p->es_flags |= ETHERSWITCH_PORT_ADDTAG;
|
|
|
|
if (portreg & KSZ8995MA_TAG_RM)
|
|
|
|
p->es_flags |= ETHERSWITCH_PORT_STRIPTAG;
|
|
|
|
|
|
|
|
portreg = ksz8995ma_readreg(dev, KSZ8995MA_PC2_BASE +
|
|
|
|
KSZ8995MA_PORT_SIZE * p->es_port);
|
|
|
|
if (portreg & KSZ8995MA_DROP_NONPVID)
|
|
|
|
p->es_flags |= ETHERSWITCH_PORT_DROPUNTAGGED;
|
|
|
|
if (portreg & KSZ8995MA_INGR_FILT)
|
|
|
|
p->es_flags |= ETHERSWITCH_PORT_INGRESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
phy = sc->portphy[p->es_port];
|
|
|
|
mii = ksz8995ma_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
|
|
|
|
ksz8995ma_setport(device_t dev, etherswitch_port_t *p)
|
|
|
|
{
|
|
|
|
struct ksz8995ma_softc *sc;
|
|
|
|
struct mii_data *mii;
|
|
|
|
struct ifmedia *ifm;
|
|
|
|
struct ifnet *ifp;
|
|
|
|
int phy, err;
|
|
|
|
int portreg;
|
|
|
|
|
|
|
|
sc = device_get_softc(dev);
|
|
|
|
|
|
|
|
if (p->es_port < 0 || p->es_port >= sc->numports)
|
|
|
|
return (ENXIO);
|
|
|
|
|
|
|
|
if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
|
|
|
|
ksz8995ma_writereg(dev, KSZ8995MA_PC4_BASE +
|
|
|
|
KSZ8995MA_PORT_SIZE * p->es_port, p->es_pvid & 0xff);
|
|
|
|
portreg = ksz8995ma_readreg(dev, KSZ8995MA_PC3_BASE +
|
|
|
|
KSZ8995MA_PORT_SIZE * p->es_port);
|
|
|
|
ksz8995ma_writereg(dev, KSZ8995MA_PC3_BASE +
|
|
|
|
KSZ8995MA_PORT_SIZE * p->es_port,
|
|
|
|
(portreg & 0xf0) | ((p->es_pvid >> 8) & 0x0f));
|
|
|
|
|
|
|
|
portreg = ksz8995ma_readreg(dev, KSZ8995MA_PC0_BASE +
|
|
|
|
KSZ8995MA_PORT_SIZE * p->es_port);
|
|
|
|
if (p->es_flags & ETHERSWITCH_PORT_ADDTAG)
|
|
|
|
portreg |= KSZ8995MA_TAG_INS;
|
|
|
|
else
|
|
|
|
portreg &= ~KSZ8995MA_TAG_INS;
|
|
|
|
if (p->es_flags & ETHERSWITCH_PORT_STRIPTAG)
|
|
|
|
portreg |= KSZ8995MA_TAG_RM;
|
|
|
|
else
|
|
|
|
portreg &= ~KSZ8995MA_TAG_RM;
|
|
|
|
ksz8995ma_writereg(dev, KSZ8995MA_PC0_BASE +
|
|
|
|
KSZ8995MA_PORT_SIZE * p->es_port, portreg);
|
|
|
|
|
|
|
|
portreg = ksz8995ma_readreg(dev, KSZ8995MA_PC2_BASE +
|
|
|
|
KSZ8995MA_PORT_SIZE * p->es_port);
|
|
|
|
if (p->es_flags & ETHERSWITCH_PORT_DROPUNTAGGED)
|
|
|
|
portreg |= KSZ8995MA_DROP_NONPVID;
|
|
|
|
else
|
|
|
|
portreg &= ~KSZ8995MA_DROP_NONPVID;
|
|
|
|
if (p->es_flags & ETHERSWITCH_PORT_INGRESS)
|
|
|
|
portreg |= KSZ8995MA_INGR_FILT;
|
|
|
|
else
|
|
|
|
portreg &= ~KSZ8995MA_INGR_FILT;
|
|
|
|
ksz8995ma_writereg(dev, KSZ8995MA_PC2_BASE +
|
|
|
|
KSZ8995MA_PORT_SIZE * p->es_port, portreg);
|
|
|
|
}
|
|
|
|
|
|
|
|
phy = sc->portphy[p->es_port];
|
|
|
|
mii = ksz8995ma_miiforport(sc, p->es_port);
|
|
|
|
if (phy != sc->cpuport) {
|
|
|
|
if (mii == NULL)
|
|
|
|
return (ENXIO);
|
|
|
|
ifp = ksz8995ma_ifpforport(sc, p->es_port);
|
|
|
|
ifm = &mii->mii_media;
|
|
|
|
err = ifmedia_ioctl(ifp, &p->es_ifr, ifm, SIOCSIFMEDIA);
|
|
|
|
}
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
ksz8995ma_getvgroup(device_t dev, etherswitch_vlangroup_t *vg)
|
|
|
|
{
|
|
|
|
int data0, data1, data2;
|
|
|
|
int vlantab;
|
|
|
|
struct ksz8995ma_softc *sc;
|
|
|
|
|
|
|
|
sc = device_get_softc(dev);
|
|
|
|
|
|
|
|
if (sc->vlan_mode == ETHERSWITCH_VLAN_PORT) {
|
|
|
|
if (vg->es_vlangroup < sc->numports) {
|
|
|
|
vg->es_vid = ETHERSWITCH_VID_VALID;
|
|
|
|
vg->es_vid |= vg->es_vlangroup;
|
|
|
|
data0 = ksz8995ma_readreg(dev, KSZ8995MA_PC1_BASE +
|
|
|
|
KSZ8995MA_PORT_SIZE * vg->es_vlangroup);
|
|
|
|
vg->es_member_ports = data0 & 0x1f;
|
|
|
|
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) {
|
|
|
|
ksz8995ma_writereg(dev, KSZ8995MA_IAC0,
|
|
|
|
KSZ8995MA_VLAN_TABLE_READ);
|
|
|
|
ksz8995ma_writereg(dev, KSZ8995MA_IAC1, vg->es_vlangroup);
|
|
|
|
data2 = ksz8995ma_readreg(dev, KSZ8995MA_IDR2);
|
|
|
|
data1 = ksz8995ma_readreg(dev, KSZ8995MA_IDR1);
|
|
|
|
data0 = ksz8995ma_readreg(dev, KSZ8995MA_IDR0);
|
|
|
|
vlantab = data2 << 16 | data1 << 8 | data0;
|
|
|
|
if (data2 & KSZ8995MA_VLAN_TABLE_VALID) {
|
|
|
|
vg->es_vid = ETHERSWITCH_VID_VALID;
|
|
|
|
vg->es_vid |= vlantab & 0xfff;
|
|
|
|
vg->es_member_ports = (vlantab >> 16) & 0x1f;
|
|
|
|
vg->es_untagged_ports = vg->es_member_ports;
|
|
|
|
vg->es_fid = (vlantab >> 12) & 0x0f;
|
|
|
|
} else {
|
|
|
|
vg->es_fid = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
ksz8995ma_setvgroup(device_t dev, etherswitch_vlangroup_t *vg)
|
|
|
|
{
|
|
|
|
struct ksz8995ma_softc *sc;
|
|
|
|
int data0;
|
|
|
|
|
|
|
|
sc = device_get_softc(dev);
|
|
|
|
|
|
|
|
if (sc->vlan_mode == ETHERSWITCH_VLAN_PORT) {
|
|
|
|
data0 = ksz8995ma_readreg(dev, KSZ8995MA_PC1_BASE +
|
|
|
|
KSZ8995MA_PORT_SIZE * vg->es_vlangroup);
|
|
|
|
ksz8995ma_writereg(dev, KSZ8995MA_PC1_BASE +
|
|
|
|
KSZ8995MA_PORT_SIZE * vg->es_vlangroup,
|
|
|
|
(data0 & 0xe0) | (vg->es_member_ports & 0x1f));
|
|
|
|
} else if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
|
|
|
|
if (vg->es_member_ports != 0) {
|
|
|
|
ksz8995ma_writereg(dev, KSZ8995MA_IDR2,
|
|
|
|
KSZ8995MA_VLAN_TABLE_VALID |
|
|
|
|
(vg->es_member_ports & 0x1f));
|
|
|
|
ksz8995ma_writereg(dev, KSZ8995MA_IDR1,
|
|
|
|
vg->es_fid << 4 | vg->es_vid >> 8);
|
|
|
|
ksz8995ma_writereg(dev, KSZ8995MA_IDR0,
|
|
|
|
vg->es_vid & 0xff);
|
|
|
|
} else {
|
|
|
|
ksz8995ma_writereg(dev, KSZ8995MA_IDR2, 0);
|
|
|
|
ksz8995ma_writereg(dev, KSZ8995MA_IDR1, 0);
|
|
|
|
ksz8995ma_writereg(dev, KSZ8995MA_IDR0, 0);
|
|
|
|
}
|
|
|
|
ksz8995ma_writereg(dev, KSZ8995MA_IAC0,
|
|
|
|
KSZ8995MA_VLAN_TABLE_WRITE);
|
|
|
|
ksz8995ma_writereg(dev, KSZ8995MA_IAC1, vg->es_vlangroup);
|
|
|
|
}
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
ksz8995ma_getconf(device_t dev, etherswitch_conf_t *conf)
|
|
|
|
{
|
|
|
|
struct ksz8995ma_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 void
|
|
|
|
ksz8995ma_portvlanreset(device_t dev)
|
|
|
|
{
|
|
|
|
int i, data;
|
|
|
|
struct ksz8995ma_softc *sc;
|
|
|
|
|
|
|
|
sc = device_get_softc(dev);
|
|
|
|
|
|
|
|
for (i = 0; i < sc->numports; ++i) {
|
|
|
|
data = ksz8995ma_readreg(dev, KSZ8995MA_PC1_BASE +
|
|
|
|
KSZ8995MA_PORT_SIZE * i);
|
|
|
|
ksz8995ma_writereg(dev, KSZ8995MA_PC1_BASE +
|
|
|
|
KSZ8995MA_PORT_SIZE * i, (data & 0xe0) | 0x1f);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
ksz8995ma_setconf(device_t dev, etherswitch_conf_t *conf)
|
|
|
|
{
|
|
|
|
int reg;
|
|
|
|
struct ksz8995ma_softc *sc;
|
|
|
|
|
|
|
|
sc = device_get_softc(dev);
|
|
|
|
|
|
|
|
if ((conf->cmd & ETHERSWITCH_CONF_VLAN_MODE) == 0)
|
|
|
|
return (0);
|
|
|
|
|
|
|
|
if (conf->vlan_mode == ETHERSWITCH_VLAN_PORT) {
|
|
|
|
sc->vlan_mode = ETHERSWITCH_VLAN_PORT;
|
|
|
|
reg = ksz8995ma_readreg(dev, KSZ8995MA_GC3);
|
|
|
|
ksz8995ma_writereg(dev, KSZ8995MA_GC3,
|
|
|
|
reg & ~KSZ8995MA_VLAN_ENABLE);
|
|
|
|
ksz8995ma_portvlanreset(dev);
|
|
|
|
} else if (conf->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
|
|
|
|
sc->vlan_mode = ETHERSWITCH_VLAN_DOT1Q;
|
|
|
|
reg = ksz8995ma_readreg(dev, KSZ8995MA_GC3);
|
|
|
|
ksz8995ma_writereg(dev, KSZ8995MA_GC3,
|
|
|
|
reg | KSZ8995MA_VLAN_ENABLE);
|
|
|
|
} else {
|
|
|
|
sc->vlan_mode = 0;
|
|
|
|
reg = ksz8995ma_readreg(dev, KSZ8995MA_GC3);
|
|
|
|
ksz8995ma_writereg(dev, KSZ8995MA_GC3,
|
|
|
|
reg & ~KSZ8995MA_VLAN_ENABLE);
|
|
|
|
ksz8995ma_portvlanreset(dev);
|
|
|
|
}
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
ksz8995ma_statchg(device_t dev)
|
|
|
|
{
|
|
|
|
|
|
|
|
DPRINTF(dev, "%s\n", __func__);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
ksz8995ma_ifmedia_upd(struct ifnet *ifp)
|
|
|
|
{
|
|
|
|
struct ksz8995ma_softc *sc;
|
|
|
|
struct mii_data *mii;
|
|
|
|
|
|
|
|
sc = ifp->if_softc;
|
|
|
|
mii = ksz8995ma_miiforport(sc, ifp->if_dunit);
|
|
|
|
|
|
|
|
DPRINTF(sc->sc_dev, "%s\n", __func__);
|
|
|
|
if (mii == NULL)
|
|
|
|
return (ENXIO);
|
|
|
|
mii_mediachg(mii);
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
ksz8995ma_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
|
|
|
|
{
|
|
|
|
struct ksz8995ma_softc *sc;
|
|
|
|
struct mii_data *mii;
|
|
|
|
|
|
|
|
sc = ifp->if_softc;
|
|
|
|
mii = ksz8995ma_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
|
|
|
|
ksz8995ma_readphy(device_t dev, int phy, int reg)
|
|
|
|
{
|
|
|
|
int portreg;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* This is no mdio/mdc connection code.
|
|
|
|
* simulate MIIM Registers via the SPI interface
|
|
|
|
*/
|
|
|
|
if (reg == MII_BMSR) {
|
|
|
|
portreg = ksz8995ma_readreg(dev, KSZ8995MA_PS0_BASE +
|
|
|
|
KSZ8995MA_PORT_SIZE * phy);
|
|
|
|
return (KSZ8995MA_MII_STAT |
|
|
|
|
(portreg & 0x20 ? BMSR_LINK : 0x00) |
|
|
|
|
(portreg & 0x40 ? BMSR_ACOMP : 0x00));
|
|
|
|
} else if (reg == MII_PHYIDR1) {
|
|
|
|
return (KSZ8995MA_MII_PHYID_H);
|
|
|
|
} else if (reg == MII_PHYIDR2) {
|
|
|
|
return (KSZ8995MA_MII_PHYID_L);
|
|
|
|
} else if (reg == MII_ANAR) {
|
|
|
|
portreg = ksz8995ma_readreg(dev, KSZ8995MA_PC12_BASE +
|
|
|
|
KSZ8995MA_PORT_SIZE * phy);
|
|
|
|
return (KSZ8995MA_MII_AA | (portreg & 0x0f) << 5);
|
|
|
|
} else if (reg == MII_ANLPAR) {
|
|
|
|
portreg = ksz8995ma_readreg(dev, KSZ8995MA_PS0_BASE +
|
|
|
|
KSZ8995MA_PORT_SIZE * phy);
|
|
|
|
return (((portreg & 0x0f) << 5) | 0x01);
|
|
|
|
}
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
ksz8995ma_writephy(device_t dev, int phy, int reg, int data)
|
|
|
|
{
|
|
|
|
int portreg;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* This is no mdio/mdc connection code.
|
|
|
|
* simulate MIIM Registers via the SPI interface
|
|
|
|
*/
|
|
|
|
if (reg == MII_BMCR) {
|
|
|
|
portreg = ksz8995ma_readreg(dev, KSZ8995MA_PC13_BASE +
|
|
|
|
KSZ8995MA_PORT_SIZE * phy);
|
|
|
|
if (data & BMCR_PDOWN)
|
|
|
|
portreg |= KSZ8995MA_PDOWN;
|
|
|
|
else
|
|
|
|
portreg &= ~KSZ8995MA_PDOWN;
|
|
|
|
if (data & BMCR_STARTNEG)
|
|
|
|
portreg |= KSZ8995MA_STARTNEG;
|
|
|
|
else
|
|
|
|
portreg &= ~KSZ8995MA_STARTNEG;
|
|
|
|
ksz8995ma_writereg(dev, KSZ8995MA_PC13_BASE +
|
|
|
|
KSZ8995MA_PORT_SIZE * phy, portreg);
|
|
|
|
} else if (reg == MII_ANAR) {
|
|
|
|
portreg = ksz8995ma_readreg(dev, KSZ8995MA_PC12_BASE +
|
|
|
|
KSZ8995MA_PORT_SIZE * phy);
|
|
|
|
portreg &= 0xf;
|
|
|
|
portreg |= ((data >> 5) & 0x0f);
|
|
|
|
ksz8995ma_writereg(dev, KSZ8995MA_PC12_BASE +
|
|
|
|
KSZ8995MA_PORT_SIZE * phy, portreg);
|
|
|
|
}
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
ksz8995ma_readreg(device_t dev, int addr)
|
|
|
|
{
|
|
|
|
uint8_t txBuf[8], rxBuf[8];
|
|
|
|
struct spi_command cmd;
|
|
|
|
int err;
|
|
|
|
|
|
|
|
memset(&cmd, 0, sizeof(cmd));
|
|
|
|
memset(txBuf, 0, sizeof(txBuf));
|
|
|
|
memset(rxBuf, 0, sizeof(rxBuf));
|
|
|
|
|
|
|
|
/* read spi */
|
|
|
|
txBuf[0] = KSZ8995MA_SPI_READ;
|
|
|
|
txBuf[1] = addr;
|
|
|
|
cmd.tx_cmd = &txBuf;
|
|
|
|
cmd.rx_cmd = &rxBuf;
|
|
|
|
cmd.tx_cmd_sz = 3;
|
|
|
|
cmd.rx_cmd_sz = 3;
|
|
|
|
err = SPIBUS_TRANSFER(device_get_parent(dev), dev, &cmd);
|
|
|
|
if (err)
|
|
|
|
return(0);
|
|
|
|
|
|
|
|
return (rxBuf[2]);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
ksz8995ma_writereg(device_t dev, int addr, int value)
|
|
|
|
{
|
|
|
|
uint8_t txBuf[8], rxBuf[8];
|
|
|
|
struct spi_command cmd;
|
|
|
|
int err;
|
|
|
|
|
|
|
|
memset(&cmd, 0, sizeof(cmd));
|
|
|
|
memset(txBuf, 0, sizeof(txBuf));
|
|
|
|
memset(rxBuf, 0, sizeof(rxBuf));
|
|
|
|
|
|
|
|
/* write spi */
|
|
|
|
txBuf[0] = KSZ8995MA_SPI_WRITE;
|
|
|
|
txBuf[1] = addr;
|
|
|
|
txBuf[2] = value;
|
|
|
|
cmd.tx_cmd = &txBuf;
|
|
|
|
cmd.rx_cmd = &rxBuf;
|
|
|
|
cmd.tx_cmd_sz = 3;
|
|
|
|
cmd.rx_cmd_sz = 3;
|
|
|
|
err = SPIBUS_TRANSFER(device_get_parent(dev), dev, &cmd);
|
|
|
|
if (err)
|
|
|
|
return(0);
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static device_method_t ksz8995ma_methods[] = {
|
|
|
|
/* Device interface */
|
|
|
|
DEVMETHOD(device_probe, ksz8995ma_probe),
|
|
|
|
DEVMETHOD(device_attach, ksz8995ma_attach),
|
|
|
|
DEVMETHOD(device_detach, ksz8995ma_detach),
|
|
|
|
|
|
|
|
/* bus interface */
|
|
|
|
DEVMETHOD(bus_add_child, device_add_child_ordered),
|
|
|
|
|
|
|
|
/* MII interface */
|
|
|
|
DEVMETHOD(miibus_readreg, ksz8995ma_readphy),
|
|
|
|
DEVMETHOD(miibus_writereg, ksz8995ma_writephy),
|
|
|
|
DEVMETHOD(miibus_statchg, ksz8995ma_statchg),
|
|
|
|
|
|
|
|
/* etherswitch interface */
|
|
|
|
DEVMETHOD(etherswitch_lock, ksz8995ma_lock),
|
|
|
|
DEVMETHOD(etherswitch_unlock, ksz8995ma_unlock),
|
|
|
|
DEVMETHOD(etherswitch_getinfo, ksz8995ma_getinfo),
|
|
|
|
DEVMETHOD(etherswitch_readreg, ksz8995ma_readreg),
|
|
|
|
DEVMETHOD(etherswitch_writereg, ksz8995ma_writereg),
|
|
|
|
DEVMETHOD(etherswitch_readphyreg, ksz8995ma_readphy),
|
|
|
|
DEVMETHOD(etherswitch_writephyreg, ksz8995ma_writephy),
|
|
|
|
DEVMETHOD(etherswitch_getport, ksz8995ma_getport),
|
|
|
|
DEVMETHOD(etherswitch_setport, ksz8995ma_setport),
|
|
|
|
DEVMETHOD(etherswitch_getvgroup, ksz8995ma_getvgroup),
|
|
|
|
DEVMETHOD(etherswitch_setvgroup, ksz8995ma_setvgroup),
|
|
|
|
DEVMETHOD(etherswitch_setconf, ksz8995ma_setconf),
|
|
|
|
DEVMETHOD(etherswitch_getconf, ksz8995ma_getconf),
|
|
|
|
|
|
|
|
DEVMETHOD_END
|
|
|
|
};
|
|
|
|
|
|
|
|
DEFINE_CLASS_0(ksz8995ma, ksz8995ma_driver, ksz8995ma_methods,
|
|
|
|
sizeof(struct ksz8995ma_softc));
|
|
|
|
static devclass_t ksz8995ma_devclass;
|
|
|
|
|
|
|
|
DRIVER_MODULE(ksz8995ma, spibus, ksz8995ma_driver, ksz8995ma_devclass, 0, 0);
|
|
|
|
DRIVER_MODULE(miibus, ksz8995ma, miibus_driver, miibus_devclass, 0, 0);
|
|
|
|
DRIVER_MODULE(etherswitch, ksz8995ma, etherswitch_driver, etherswitch_devclass,
|
|
|
|
0, 0);
|
|
|
|
MODULE_VERSION(ksz8995ma, 1);
|
|
|
|
MODULE_DEPEND(ksz8995ma, spibus, 1, 1, 1); /* XXX which versions? */
|
|
|
|
MODULE_DEPEND(ksz8995ma, miibus, 1, 1, 1); /* XXX which versions? */
|
|
|
|
MODULE_DEPEND(ksz8995ma, etherswitch, 1, 1, 1); /* XXX which versions? */
|