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dp83905.c revision 1.3.50.1
      1  1.3.50.1  bouyer /*	$NetBSD: dp83905.c,v 1.3.50.1 2007/10/25 22:37:37 bouyer Exp $	*/
      2       1.1   bjh21 
      3       1.1   bjh21 /*-
      4       1.1   bjh21  * Copyright (c) 2001 Ben Harris
      5       1.1   bjh21  * Copyright (c) 1998 Mike Pumford
      6       1.1   bjh21  *
      7       1.1   bjh21  * Redistribution and use in source and binary forms, with or without
      8       1.1   bjh21  * modification, are permitted provided that the following conditions
      9       1.1   bjh21  * are met:
     10       1.1   bjh21  * 1. Redistributions of source code must retain the above copyright
     11       1.1   bjh21  *    notice, this list of conditions and the following disclaimer.
     12       1.1   bjh21  * 2. Redistributions in binary form must reproduce the above copyright
     13       1.1   bjh21  *    notice, this list of conditions and the following disclaimer in the
     14       1.1   bjh21  *    documentation and/or other materials provided with the distribution.
     15       1.1   bjh21  * 3. All advertising materials mentioning features or use of this software
     16       1.1   bjh21  *    must display the following acknowledgement:
     17       1.1   bjh21  *	This product includes software developed by the NetBSD
     18       1.1   bjh21  *	Foundation, Inc. and its contributors.
     19       1.1   bjh21  * 4. Neither the name of The NetBSD Foundation nor the names of its
     20       1.1   bjh21  *    contributors may be used to endorse or promote products derived
     21       1.1   bjh21  *    from this software without specific prior written permission.
     22       1.1   bjh21  *
     23       1.1   bjh21  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     24       1.1   bjh21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     25       1.1   bjh21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     26       1.1   bjh21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     27       1.1   bjh21  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     28       1.1   bjh21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     29       1.1   bjh21  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     30       1.1   bjh21  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     31       1.1   bjh21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     32       1.1   bjh21  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     33       1.1   bjh21  * POSSIBILITY OF SUCH DAMAGE.
     34       1.1   bjh21  */
     35       1.1   bjh21 
     36       1.1   bjh21 #include <sys/param.h>
     37       1.1   bjh21 
     38  1.3.50.1  bouyer __KERNEL_RCSID(0, "$NetBSD: dp83905.c,v 1.3.50.1 2007/10/25 22:37:37 bouyer Exp $");
     39       1.1   bjh21 
     40       1.1   bjh21 #include <sys/device.h>
     41       1.1   bjh21 #include <sys/mbuf.h>
     42       1.1   bjh21 #include <sys/socket.h>
     43       1.1   bjh21 #include <sys/systm.h>
     44       1.1   bjh21 
     45       1.1   bjh21 #include <net/if.h>
     46       1.1   bjh21 #include <net/if_ether.h>
     47       1.1   bjh21 #include <net/if_media.h>
     48       1.1   bjh21 
     49  1.3.50.1  bouyer #include <sys/bus.h>
     50       1.1   bjh21 
     51       1.1   bjh21 #include <dev/ic/dp8390reg.h>
     52       1.1   bjh21 #include <dev/ic/dp8390var.h>
     53       1.1   bjh21 
     54       1.1   bjh21 #include <dev/ic/dp83905reg.h>
     55       1.1   bjh21 #include <dev/ic/dp83905var.h>
     56       1.1   bjh21 
     57       1.1   bjh21 int
     58       1.1   bjh21 dp83905_mediachange(struct dp8390_softc *sc)
     59       1.1   bjh21 {
     60       1.1   bjh21 
     61       1.1   bjh21 	/* Media already set up.  Reset the interface to make it stick. */
     62       1.1   bjh21 	dp8390_reset(sc);
     63       1.1   bjh21 	return (0);
     64       1.1   bjh21 }
     65       1.1   bjh21 
     66       1.1   bjh21 void
     67       1.1   bjh21 dp83905_mediastatus(struct dp8390_softc *sc, struct ifmediareq *ifmr)
     68       1.1   bjh21 {
     69       1.1   bjh21 	bus_space_tag_t nict = sc->sc_regt;
     70       1.1   bjh21 	bus_space_handle_t nich = sc->sc_regh;
     71       1.1   bjh21 	u_int8_t mcrb;
     72       1.1   bjh21 
     73       1.1   bjh21 	bus_space_write_1(nict, nich, ED_P0_CR,
     74       1.1   bjh21 	    ED_CR_RD2 | ED_CR_PAGE_0 | ED_CR_STA);
     75       1.1   bjh21 	mcrb = bus_space_read_1(nict, nich, DP83905_MCRB);
     76       1.1   bjh21 	/* Random op so next RBCR1 write doesn't go to MCRB. */
     77       1.1   bjh21 	bus_space_write_1(nict, nich, ED_P0_CR,
     78       1.1   bjh21 	    ED_CR_RD2 | ED_CR_PAGE_0 | ED_CR_STA);
     79       1.1   bjh21 	switch (mcrb & DP83905_MCRB_PHY_MASK) {
     80       1.1   bjh21 	case DP83905_MCRB_PHY_10_T:
     81       1.1   bjh21 	case DP83905_MCRB_PHY_TPI_NONSPEC: /* XXX */
     82       1.1   bjh21 		ifmr->ifm_active = IFM_ETHER | IFM_10_T;
     83       1.1   bjh21 		ifmr->ifm_status = IFM_AVALID;
     84       1.1   bjh21 		if (mcrb & DP83905_MCRB_GDLNK)
     85       1.1   bjh21 			ifmr->ifm_status |= IFM_ACTIVE;
     86       1.1   bjh21 		break;
     87       1.1   bjh21 	case DP83905_MCRB_PHY_10_2:
     88       1.1   bjh21 		ifmr->ifm_active = IFM_ETHER | IFM_10_2;
     89       1.1   bjh21 		break;
     90       1.1   bjh21 	case DP83905_MCRB_PHY_AUI:
     91       1.1   bjh21 		ifmr->ifm_active = IFM_ETHER | IFM_10_5;
     92       1.1   bjh21 		break;
     93       1.1   bjh21 	}
     94       1.1   bjh21 }
     95       1.1   bjh21 
     96       1.1   bjh21 void dp83905_init_card(struct dp8390_softc *sc)
     97       1.1   bjh21 {
     98       1.1   bjh21 	struct ifmedia *ifm = &sc->sc_media;
     99       1.1   bjh21 	bus_space_tag_t nict = sc->sc_regt;
    100       1.1   bjh21 	bus_space_handle_t nich = sc->sc_regh;
    101       1.1   bjh21 	u_int8_t mcrb;
    102       1.1   bjh21 
    103       1.1   bjh21 	/* Set basic media type. */
    104       1.1   bjh21 	switch (IFM_SUBTYPE(ifm->ifm_cur->ifm_media)) {
    105       1.1   bjh21 	case IFM_AUTO:
    106       1.1   bjh21 		/* software auto detect the media */
    107       1.1   bjh21 		mcrb = bus_space_read_1(nict, nich, DP83905_MCRB);
    108       1.1   bjh21 		mcrb &= ~(DP83905_MCRB_PHY_MASK | DP83905_MCRB_GDLNK |
    109       1.1   bjh21 		    DP83905_MCRB_BE);
    110       1.1   bjh21 		mcrb |= DP83905_MCRB_PHY_10_T;
    111       1.1   bjh21 		bus_space_write_1(nict, nich, DP83905_MCRB, mcrb);
    112       1.1   bjh21 		mcrb = bus_space_read_1(nict, nich, DP83905_MCRB);
    113       1.1   bjh21 		if (mcrb & DP83905_MCRB_GDLNK)
    114       1.1   bjh21 			break;
    115       1.1   bjh21 		/* No UTP use BNC */
    116       1.1   bjh21 		/* FALLTHROUGH */
    117       1.1   bjh21 
    118       1.1   bjh21 	case IFM_10_2:
    119       1.1   bjh21 		mcrb = bus_space_read_1(nict, nich, DP83905_MCRB);
    120       1.1   bjh21 		mcrb &= ~(DP83905_MCRB_PHY_MASK | DP83905_MCRB_GDLNK |
    121       1.1   bjh21 		    DP83905_MCRB_BE);
    122       1.1   bjh21 		mcrb |= DP83905_MCRB_PHY_10_2;
    123       1.1   bjh21 		bus_space_write_1(nict, nich, DP83905_MCRB, mcrb);
    124       1.1   bjh21 		/*
    125       1.2   perry 		 * seems that re-reading config B here is required to
    126       1.1   bjh21 	         * prevent the interface hanging when manually selecting.
    127       1.1   bjh21 		 */
    128       1.1   bjh21 		bus_space_read_1(nict, nich, DP83905_MCRB);
    129       1.1   bjh21 		break;
    130       1.1   bjh21 
    131       1.1   bjh21 	case IFM_10_T:
    132       1.1   bjh21 		mcrb = bus_space_read_1(nict, nich, DP83905_MCRB);
    133       1.1   bjh21 		mcrb &= ~(DP83905_MCRB_PHY_MASK | DP83905_MCRB_GDLNK |
    134       1.1   bjh21 		    DP83905_MCRB_BE);
    135       1.1   bjh21 		mcrb |= DP83905_MCRB_PHY_10_T;
    136       1.1   bjh21 		bus_space_write_1(nict, nich, DP83905_MCRB, mcrb);
    137       1.1   bjh21 		/*
    138       1.2   perry 		 * seems that re-reading config B here is required to
    139       1.1   bjh21 	         * prevent the interface hanging when manually selecting.
    140       1.1   bjh21 		 */
    141       1.1   bjh21 		bus_space_read_1(nict, nich, DP83905_MCRB);
    142       1.1   bjh21 		break;
    143       1.1   bjh21 
    144       1.1   bjh21 	case IFM_10_5:
    145       1.1   bjh21 		mcrb = bus_space_read_1(nict, nich, DP83905_MCRB);
    146       1.1   bjh21 		mcrb &= ~(DP83905_MCRB_PHY_MASK | DP83905_MCRB_GDLNK |
    147       1.1   bjh21 		    DP83905_MCRB_BE);
    148       1.1   bjh21 		mcrb |= DP83905_MCRB_PHY_AUI;
    149       1.1   bjh21 		bus_space_write_1(nict, nich, DP83905_MCRB, mcrb);
    150       1.1   bjh21 		/*
    151       1.2   perry 		 * seems that re-reading config B here is required to
    152       1.1   bjh21 	         * prevent the interface hanging when manually selecting.
    153       1.1   bjh21 		 */
    154       1.1   bjh21 		bus_space_read_1(nict, nich, DP83905_MCRB);
    155       1.1   bjh21 		break;
    156       1.1   bjh21 	}
    157       1.1   bjh21 }
    158