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rtl80x9.c revision 1.12
      1 /*	$NetBSD: rtl80x9.c,v 1.12 2007/10/19 11:59:59 ad 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/cdefs.h>
     41 __KERNEL_RCSID(0, "$NetBSD: rtl80x9.c,v 1.12 2007/10/19 11:59:59 ad Exp $");
     42 
     43 #include <sys/param.h>
     44 #include <sys/systm.h>
     45 #include <sys/mbuf.h>
     46 #include <sys/syslog.h>
     47 #include <sys/socket.h>
     48 #include <sys/device.h>
     49 
     50 #include <net/if.h>
     51 #include <net/if_ether.h>
     52 #include <net/if_media.h>
     53 
     54 #include <sys/bus.h>
     55 #include <sys/intr.h>
     56 
     57 #include <dev/ic/dp8390reg.h>
     58 #include <dev/ic/dp8390var.h>
     59 
     60 #include <dev/ic/ne2000reg.h>
     61 #include <dev/ic/ne2000var.h>
     62 
     63 #include <dev/ic/rtl80x9reg.h>
     64 #include <dev/ic/rtl80x9var.h>
     65 
     66 int
     67 rtl80x9_mediachange(dsc)
     68 	struct dp8390_softc *dsc;
     69 {
     70 
     71 	/*
     72 	 * Current media is already set up.  Just reset the interface
     73 	 * to let the new value take hold.  The new media will be
     74 	 * set up in ne_pci_rtl8029_init_card() called via dp8390_init().
     75 	 */
     76 	dp8390_reset(dsc);
     77 	return (0);
     78 }
     79 
     80 void
     81 rtl80x9_mediastatus(sc, ifmr)
     82 	struct dp8390_softc *sc;
     83 	struct ifmediareq *ifmr;
     84 {
     85 	struct ifnet *ifp = &sc->sc_ec.ec_if;
     86 	u_int8_t cr_proto = sc->cr_proto |
     87 	    ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP);
     88 
     89 	/*
     90 	 * Sigh, can detect which media is being used, but can't
     91 	 * detect if we have link or not.
     92 	 */
     93 
     94 	/* Set NIC to page 3 registers. */
     95 	NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3);
     96 
     97 	if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG0) &
     98 	    RTL3_CONFIG0_BNC)
     99 		ifmr->ifm_active = IFM_ETHER|IFM_10_2;
    100 	else {
    101 		ifmr->ifm_active = IFM_ETHER|IFM_10_T;
    102 		if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3) &
    103 		    RTL3_CONFIG3_FUDUP)
    104 			ifmr->ifm_active |= IFM_FDX;
    105 	}
    106 
    107 	/* Set NIC to page 0 registers. */
    108 	NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0);
    109 }
    110 
    111 void
    112 rtl80x9_init_card(sc)
    113 	struct dp8390_softc *sc;
    114 {
    115 	struct ifmedia *ifm = &sc->sc_media;
    116 	struct ifnet *ifp = &sc->sc_ec.ec_if;
    117 	u_int8_t cr_proto = sc->cr_proto |
    118 	    ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP);
    119 	u_int8_t reg;
    120 
    121 	/* Set NIC to page 3 registers. */
    122 	NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3);
    123 
    124 	/* write enable config1-3. */
    125 	NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR,
    126 	    RTL3_EECR_EEM1|RTL3_EECR_EEM0);
    127 
    128 	/* First, set basic media type. */
    129 	reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2);
    130 	reg &= ~(RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0);
    131 	switch (IFM_SUBTYPE(ifm->ifm_cur->ifm_media)) {
    132 	case IFM_AUTO:
    133 		/* Nothing to do; both bits clear == auto-detect. */
    134 		break;
    135 
    136 	case IFM_10_T:
    137 		/*
    138 		 * According to docs, this should be:
    139 		 * reg |= RTL3_CONFIG2_PL0;
    140 		 * but this doesn't work, so make it the same as AUTO.
    141 		 */
    142 		break;
    143 
    144 	case IFM_10_2:
    145 		reg |= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0;
    146 		break;
    147 	}
    148 	NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2, reg);
    149 
    150 	/* Now, set duplex mode. */
    151 	reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3);
    152 	if (ifm->ifm_cur->ifm_media & IFM_FDX)
    153 		reg |= RTL3_CONFIG3_FUDUP;
    154 	else
    155 		reg &= ~RTL3_CONFIG3_FUDUP;
    156 	NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3, reg);
    157 
    158 	/* write disable config1-3 */
    159 	NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR, 0);
    160 
    161 	/* Set NIC to page 0 registers. */
    162 	NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0);
    163 }
    164 
    165 void
    166 rtl80x9_media_init(sc)
    167 	struct dp8390_softc *sc;
    168 {
    169 	static int rtl80x9_media[] = {
    170 		IFM_ETHER|IFM_AUTO,
    171 		IFM_ETHER|IFM_10_T,
    172 		IFM_ETHER|IFM_10_T|IFM_FDX,
    173 		IFM_ETHER|IFM_10_2,
    174 	};
    175 	static const int rtl80x9_nmedia =
    176 	    sizeof(rtl80x9_media) / sizeof(rtl80x9_media[0]);
    177 
    178 	int i, defmedia;
    179 	u_int8_t conf2, conf3;
    180 
    181 	printf("%s: 10base2, 10baseT, 10baseT-FDX, auto, default ",
    182 	    sc->sc_dev.dv_xname);
    183 
    184 	bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_3);
    185 
    186 	conf2 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2);
    187 	conf3 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3);
    188 	printf("[0x%02x 0x%02x] ", conf2, conf3);
    189 
    190 	conf2 &= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0;
    191 
    192 	switch (conf2) {
    193 	default:
    194 		defmedia = IFM_ETHER|IFM_AUTO;
    195 		printf("auto\n");
    196 		break;
    197 
    198 	case RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0:
    199 	case RTL3_CONFIG2_PL1:	/* XXX rtl docs sys 10base5, but chip cant do */
    200 		defmedia = IFM_ETHER|IFM_10_2;
    201 		printf("10base2\n");
    202 		break;
    203 
    204 	case RTL3_CONFIG2_PL0:
    205 		if (conf3 & RTL3_CONFIG3_FUDUP) {
    206 			defmedia = IFM_ETHER|IFM_10_T|IFM_FDX;
    207 			printf("10baseT-FDX\n");
    208 		} else {
    209 			defmedia = IFM_ETHER|IFM_10_T;
    210 			printf("10baseT\n");
    211 		}
    212 		break;
    213 	}
    214 
    215 	bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_0);
    216 
    217 	ifmedia_init(&sc->sc_media, 0, dp8390_mediachange, dp8390_mediastatus);
    218 	for (i = 0; i < rtl80x9_nmedia; i++)
    219 		ifmedia_add(&sc->sc_media, rtl80x9_media[i], 0, NULL);
    220 	ifmedia_set(&sc->sc_media, defmedia);
    221 }
    222