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ax88190.c revision 1.9
      1 /*	$NetBSD: ax88190.c,v 1.9 2008/01/19 22:10:16 dyoung Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Enami Tsugutomo.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <sys/cdefs.h>
     40 __KERNEL_RCSID(0, "$NetBSD: ax88190.c,v 1.9 2008/01/19 22:10:16 dyoung Exp $");
     41 
     42 #include <sys/param.h>
     43 #include <sys/systm.h>
     44 #include <sys/device.h>
     45 #include <sys/socket.h>
     46 
     47 #include <net/if.h>
     48 #include <net/if_dl.h>
     49 #include <net/if_types.h>
     50 #include <net/if_media.h>
     51 #include <net/if_ether.h>
     52 
     53 #include <sys/bus.h>
     54 
     55 #include <dev/mii/miivar.h>
     56 #include <dev/mii/mii.h>
     57 #include <dev/mii/mii_bitbang.h>
     58 
     59 #include <dev/ic/dp8390reg.h>
     60 #include <dev/ic/dp8390var.h>
     61 
     62 #include <dev/ic/ne2000reg.h>
     63 #include <dev/ic/ne2000var.h>
     64 
     65 #include <dev/ic/ax88190reg.h>
     66 #include <dev/ic/ax88190var.h>
     67 
     68 static int	ax88190_mii_readreg(struct device *, int, int);
     69 static void	ax88190_mii_writereg(struct device *, int, int, int);
     70 static void	ax88190_mii_statchg(struct device *);
     71 
     72 /*
     73  * MII bit-bang glue.
     74  */
     75 static u_int32_t	ax88190_mii_bitbang_read(struct device *);
     76 static void		ax88190_mii_bitbang_write(struct device *, u_int32_t);
     77 
     78 static const struct mii_bitbang_ops ax88190_mii_bitbang_ops = {
     79 	ax88190_mii_bitbang_read,
     80 	ax88190_mii_bitbang_write,
     81 	{
     82 		AX88190_MEMR_MDO,	/* MII_BIT_MDO */
     83 		AX88190_MEMR_MDI,	/* MII_BIT_MDI */
     84 		AX88190_MEMR_MDC,	/* MII_BIT_MDC */
     85 		0,			/* MII_BIT_DIR_HOST_PHY */
     86 		AX88190_MEMR_MDIR,	/* MII_BIT_DIR_PHY_HOST */
     87 	}
     88 };
     89 
     90 void
     91 ax88190_media_init(struct dp8390_softc *sc)
     92 {
     93 	struct ifnet *ifp = &sc->sc_ec.ec_if;
     94 
     95 	sc->sc_mii.mii_ifp = ifp;
     96 	sc->sc_mii.mii_readreg = ax88190_mii_readreg;
     97 	sc->sc_mii.mii_writereg = ax88190_mii_writereg;
     98 	sc->sc_mii.mii_statchg = ax88190_mii_statchg;
     99 	ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, dp8390_mediachange,
    100 	    dp8390_mediastatus);
    101 
    102 	mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY,
    103 	    MII_OFFSET_ANY, 0);
    104 
    105 	if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) {
    106 		ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0,
    107 		    NULL);
    108 		ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE);
    109 	} else
    110 		ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO);
    111 }
    112 
    113 void
    114 ax88190_media_fini(struct dp8390_softc *sc)
    115 {
    116 
    117 	mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY);
    118 }
    119 
    120 int
    121 ax88190_mediachange(struct dp8390_softc *sc)
    122 {
    123 	int rc;
    124 
    125 	if ((rc = mii_mediachg(&sc->sc_mii)) == ENXIO)
    126 		return 0;
    127 	return rc;
    128 }
    129 
    130 void
    131 ax88190_mediastatus(struct dp8390_softc *sc, struct ifmediareq *ifmr)
    132 {
    133 
    134 	mii_pollstat(&sc->sc_mii);
    135 	ifmr->ifm_status = sc->sc_mii.mii_media_status;
    136 	ifmr->ifm_active = sc->sc_mii.mii_media_active;
    137 }
    138 
    139 void
    140 ax88190_init_card(struct dp8390_softc *sc)
    141 {
    142 
    143 	mii_mediachg(&sc->sc_mii);
    144 }
    145 
    146 void
    147 ax88190_stop_card(struct dp8390_softc *sc)
    148 {
    149 
    150 	mii_down(&sc->sc_mii);
    151 }
    152 
    153 static u_int32_t
    154 ax88190_mii_bitbang_read(self)
    155 	struct device *self;
    156 {
    157 	struct ne2000_softc *sc = (void *)self;
    158 
    159 	return (bus_space_read_1(sc->sc_asict, sc->sc_asich, AX88190_MEMR));
    160 }
    161 
    162 static void
    163 ax88190_mii_bitbang_write(self, val)
    164 	struct device *self;
    165 	u_int32_t val;
    166 {
    167 	struct ne2000_softc *sc = (void *)self;
    168 
    169 	bus_space_write_1(sc->sc_asict, sc->sc_asich, AX88190_MEMR, val);
    170 }
    171 
    172 static int
    173 ax88190_mii_readreg(self, phy, reg)
    174 	struct device *self;
    175 	int phy, reg;
    176 {
    177 
    178 	return (mii_bitbang_readreg(self, &ax88190_mii_bitbang_ops, phy, reg));
    179 }
    180 
    181 static void
    182 ax88190_mii_writereg(self, phy, reg, val)
    183 	struct device *self;
    184 	int phy, reg, val;
    185 {
    186 
    187 	mii_bitbang_writereg(self, &ax88190_mii_bitbang_ops, phy, reg, val);
    188 }
    189 
    190 static void
    191 ax88190_mii_statchg(struct device *self)
    192 {
    193 
    194 	/* XXX */
    195 }
    196