105 lines
2.8 KiB
C
105 lines
2.8 KiB
C
/*-
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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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#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/mutex.h>
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#include <sys/systm.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <dev/mii/mii.h>
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#include <dev/etherswitch/etherswitch.h>
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#include <dev/etherswitch/ip17x/ip17x_phy.h>
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#include <dev/etherswitch/ip17x/ip17x_reg.h>
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#include <dev/etherswitch/ip17x/ip17x_var.h>
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#include "mdio_if.h"
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#include "miibus_if.h"
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#include "etherswitch_if.h"
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int
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ip17x_readphy(device_t dev, int phy, int reg)
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{
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struct ip17x_softc *sc;
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int data;
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sc = device_get_softc(dev);
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IP17X_LOCK_ASSERT(sc, MA_NOTOWNED);
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if (phy < 0 || phy >= 32)
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return (ENXIO);
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if (reg < 0 || reg >= 32)
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return (ENXIO);
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IP17X_LOCK(sc);
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data = MDIO_READREG(device_get_parent(dev), phy, reg);
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IP17X_UNLOCK(sc);
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return (data);
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}
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int
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ip17x_writephy(device_t dev, int phy, int reg, int data)
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{
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struct ip17x_softc *sc;
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int err;
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sc = device_get_softc(dev);
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IP17X_LOCK_ASSERT(sc, MA_NOTOWNED);
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if (phy < 0 || phy >= 32)
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return (ENXIO);
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if (reg < 0 || reg >= 32)
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return (ENXIO);
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IP17X_LOCK(sc);
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err = MDIO_WRITEREG(device_get_parent(dev), phy, reg, data);
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IP17X_UNLOCK(sc);
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return (err);
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}
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int
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ip17x_updatephy(device_t dev, int phy, int reg, int mask, int value)
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{
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int val;
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val = ip17x_readphy(dev, phy, reg);
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val &= ~mask;
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val |= value;
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return (ip17x_writephy(dev, phy, reg, val));
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}
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