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rtl80x9.c revision 1.5.2.2
      1 /*	$NetBSD: rtl80x9.c,v 1.5.2.2 2001/08/24 00:09:36 nathanw Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
      9  * NASA Ames Research Center.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  * 3. All advertising materials mentioning features or use of this software
     20  *    must display the following acknowledgement:
     21  *	This product includes software developed by the NetBSD
     22  *	Foundation, Inc. and its contributors.
     23  * 4. Neither the name of The NetBSD Foundation nor the names of its
     24  *    contributors may be used to endorse or promote products derived
     25  *    from this software without specific prior written permission.
     26  *
     27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     37  * POSSIBILITY OF SUCH DAMAGE.
     38  */
     39 
     40 #include <sys/param.h>
     41 #include <sys/systm.h>
     42 #include <sys/mbuf.h>
     43 #include <sys/syslog.h>
     44 #include <sys/socket.h>
     45 #include <sys/device.h>
     46 
     47 #include <net/if.h>
     48 #include <net/if_ether.h>
     49 #include <net/if_media.h>
     50 
     51 #include <machine/bus.h>
     52 #include <machine/intr.h>
     53 
     54 #include <dev/ic/dp8390reg.h>
     55 #include <dev/ic/dp8390var.h>
     56 
     57 #include <dev/ic/ne2000reg.h>
     58 #include <dev/ic/ne2000var.h>
     59 
     60 #include <dev/ic/rtl80x9reg.h>
     61 #include <dev/ic/rtl80x9var.h>
     62 
     63 int
     64 rtl80x9_mediachange(dsc)
     65 	struct dp8390_softc *dsc;
     66 {
     67 
     68 	/*
     69 	 * Current media is already set up.  Just reset the interface
     70 	 * to let the new value take hold.  The new media will be
     71 	 * set up in ne_pci_rtl8029_init_card() called via dp8390_init().
     72 	 */
     73 	dp8390_reset(dsc);
     74 	return (0);
     75 }
     76 
     77 void
     78 rtl80x9_mediastatus(sc, ifmr)
     79 	struct dp8390_softc *sc;
     80 	struct ifmediareq *ifmr;
     81 {
     82 	struct ifnet *ifp = &sc->sc_ec.ec_if;
     83 	u_int8_t cr_proto = sc->cr_proto |
     84 	    ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP);
     85 
     86 	/*
     87 	 * Sigh, can detect which media is being used, but can't
     88 	 * detect if we have link or not.
     89 	 */
     90 
     91 	/* Set NIC to page 3 registers. */
     92 	NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3);
     93 
     94 	if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG0) &
     95 	    RTL3_CONFIG0_BNC)
     96 		ifmr->ifm_active = IFM_ETHER|IFM_10_2;
     97 	else {
     98 		ifmr->ifm_active = IFM_ETHER|IFM_10_T;
     99 		if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3) &
    100 		    RTL3_CONFIG3_FUDUP)
    101 			ifmr->ifm_active |= IFM_FDX;
    102 	}
    103 
    104 	/* Set NIC to page 0 registers. */
    105 	NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0);
    106 }
    107 
    108 void
    109 rtl80x9_init_card(sc)
    110 	struct dp8390_softc *sc;
    111 {
    112 	struct ifmedia *ifm = &sc->sc_media;
    113 	struct ifnet *ifp = &sc->sc_ec.ec_if;
    114 	u_int8_t cr_proto = sc->cr_proto |
    115 	    ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP);
    116 	u_int8_t reg;
    117 
    118 	/* Set NIC to page 3 registers. */
    119 	NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3);
    120 
    121 	/* write enable config1-3. */
    122 	NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR,
    123 	    RTL3_EECR_EEM1|RTL3_EECR_EEM0);
    124 
    125 	/* First, set basic media type. */
    126 	reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2);
    127 	reg &= ~(RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0);
    128 	switch (IFM_SUBTYPE(ifm->ifm_cur->ifm_media)) {
    129 	case IFM_AUTO:
    130 		/* Nothing to do; both bits clear == auto-detect. */
    131 		break;
    132 
    133 	case IFM_10_T:
    134 		/*
    135 		 * According to docs, this should be:
    136 		 * reg |= RTL3_CONFIG2_PL0;
    137 		 * but this doesn't work, so make it the same as AUTO.
    138 		 */
    139 		break;
    140 
    141 	case IFM_10_2:
    142 		reg |= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0;
    143 		break;
    144 	}
    145 	NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2, reg);
    146 
    147 	/* Now, set duplex mode. */
    148 	reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3);
    149 	if (ifm->ifm_cur->ifm_media & IFM_FDX)
    150 		reg |= RTL3_CONFIG3_FUDUP;
    151 	else
    152 		reg &= ~RTL3_CONFIG3_FUDUP;
    153 	NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3, reg);
    154 
    155 	/* write disable config1-3 */
    156 	NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR, 0);
    157 
    158 	/* Set NIC to page 0 registers. */
    159 	NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0);
    160 }
    161 
    162 void
    163 rtl80x9_media_init(sc)
    164 	struct dp8390_softc *sc;
    165 {
    166 	static int rtl80x9_media[] = {
    167 		IFM_ETHER|IFM_AUTO,
    168 		IFM_ETHER|IFM_10_T,
    169 		IFM_ETHER|IFM_10_T|IFM_FDX,
    170 		IFM_ETHER|IFM_10_2,
    171 	};
    172 	static const int rtl80x9_nmedia =
    173 	    sizeof(rtl80x9_media) / sizeof(rtl80x9_media[0]);
    174 
    175 	int i, defmedia;
    176 	u_int8_t conf2, conf3;
    177 
    178 	printf("%s: 10base2, 10baseT, 10baseT-FDX, auto, default ",
    179 	    sc->sc_dev.dv_xname);
    180 
    181 	bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_3);
    182 
    183 	conf2 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2);
    184 	conf3 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3);
    185 	printf("[0x%02x 0x%02x] ", conf2, conf3);
    186 
    187 	conf2 &= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0;
    188 
    189 	switch (conf2) {
    190 	case 0:
    191 		defmedia = IFM_ETHER|IFM_AUTO;
    192 		printf("auto\n");
    193 		break;
    194 
    195 	case RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0:
    196 	case RTL3_CONFIG2_PL1:	/* XXX rtl docs sys 10base5, but chip cant do */
    197 		defmedia = IFM_ETHER|IFM_10_2;
    198 		printf("10base2\n");
    199 		break;
    200 
    201 	case RTL3_CONFIG2_PL0:
    202 		if (conf3 & RTL3_CONFIG3_FUDUP) {
    203 			defmedia = IFM_ETHER|IFM_10_T|IFM_FDX;
    204 			printf("10baseT-FDX\n");
    205 		} else {
    206 			defmedia = IFM_ETHER|IFM_10_T;
    207 			printf("10baseT\n");
    208 		}
    209 		break;
    210 	}
    211 
    212 	bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_0);
    213 
    214 	ifmedia_init(&sc->sc_media, 0, dp8390_mediachange, dp8390_mediastatus);
    215 	for (i = 0; i < rtl80x9_nmedia; i++)
    216 		ifmedia_add(&sc->sc_media, rtl80x9_media[i], 0, NULL);
    217 	ifmedia_set(&sc->sc_media, defmedia);
    218 }
    219