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rtl80x9.c revision 1.13
      1  1.13     cube /*	$NetBSD: rtl80x9.c,v 1.13 2008/03/12 14:31:11 cube Exp $	*/
      2   1.1  thorpej 
      3   1.1  thorpej /*-
      4   1.1  thorpej  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5   1.1  thorpej  * All rights reserved.
      6   1.1  thorpej  *
      7   1.1  thorpej  * This code is derived from software contributed to The NetBSD Foundation
      8   1.1  thorpej  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
      9   1.1  thorpej  * NASA Ames Research Center.
     10   1.1  thorpej  *
     11   1.1  thorpej  * Redistribution and use in source and binary forms, with or without
     12   1.1  thorpej  * modification, are permitted provided that the following conditions
     13   1.1  thorpej  * are met:
     14   1.1  thorpej  * 1. Redistributions of source code must retain the above copyright
     15   1.1  thorpej  *    notice, this list of conditions and the following disclaimer.
     16   1.1  thorpej  * 2. Redistributions in binary form must reproduce the above copyright
     17   1.1  thorpej  *    notice, this list of conditions and the following disclaimer in the
     18   1.1  thorpej  *    documentation and/or other materials provided with the distribution.
     19   1.1  thorpej  * 3. All advertising materials mentioning features or use of this software
     20   1.1  thorpej  *    must display the following acknowledgement:
     21   1.1  thorpej  *	This product includes software developed by the NetBSD
     22   1.1  thorpej  *	Foundation, Inc. and its contributors.
     23   1.1  thorpej  * 4. Neither the name of The NetBSD Foundation nor the names of its
     24   1.1  thorpej  *    contributors may be used to endorse or promote products derived
     25   1.1  thorpej  *    from this software without specific prior written permission.
     26   1.1  thorpej  *
     27   1.1  thorpej  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     28   1.1  thorpej  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     29   1.1  thorpej  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     30   1.1  thorpej  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     31   1.1  thorpej  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     32   1.1  thorpej  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     33   1.1  thorpej  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     34   1.1  thorpej  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     35   1.1  thorpej  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     36   1.1  thorpej  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     37   1.1  thorpej  * POSSIBILITY OF SUCH DAMAGE.
     38   1.1  thorpej  */
     39   1.8    lukem 
     40   1.8    lukem #include <sys/cdefs.h>
     41  1.13     cube __KERNEL_RCSID(0, "$NetBSD: rtl80x9.c,v 1.13 2008/03/12 14:31:11 cube Exp $");
     42   1.1  thorpej 
     43   1.1  thorpej #include <sys/param.h>
     44   1.1  thorpej #include <sys/systm.h>
     45   1.1  thorpej #include <sys/mbuf.h>
     46   1.1  thorpej #include <sys/syslog.h>
     47   1.1  thorpej #include <sys/socket.h>
     48   1.1  thorpej #include <sys/device.h>
     49   1.1  thorpej 
     50   1.1  thorpej #include <net/if.h>
     51   1.1  thorpej #include <net/if_ether.h>
     52   1.1  thorpej #include <net/if_media.h>
     53   1.1  thorpej 
     54  1.12       ad #include <sys/bus.h>
     55  1.12       ad #include <sys/intr.h>
     56   1.1  thorpej 
     57   1.1  thorpej #include <dev/ic/dp8390reg.h>
     58   1.1  thorpej #include <dev/ic/dp8390var.h>
     59   1.1  thorpej 
     60   1.1  thorpej #include <dev/ic/ne2000reg.h>
     61   1.1  thorpej #include <dev/ic/ne2000var.h>
     62   1.1  thorpej 
     63   1.1  thorpej #include <dev/ic/rtl80x9reg.h>
     64   1.1  thorpej #include <dev/ic/rtl80x9var.h>
     65   1.1  thorpej 
     66   1.1  thorpej int
     67   1.1  thorpej rtl80x9_mediachange(dsc)
     68   1.1  thorpej 	struct dp8390_softc *dsc;
     69   1.1  thorpej {
     70   1.1  thorpej 
     71   1.1  thorpej 	/*
     72   1.1  thorpej 	 * Current media is already set up.  Just reset the interface
     73   1.1  thorpej 	 * to let the new value take hold.  The new media will be
     74   1.1  thorpej 	 * set up in ne_pci_rtl8029_init_card() called via dp8390_init().
     75   1.1  thorpej 	 */
     76   1.1  thorpej 	dp8390_reset(dsc);
     77   1.1  thorpej 	return (0);
     78   1.1  thorpej }
     79   1.1  thorpej 
     80   1.1  thorpej void
     81   1.1  thorpej rtl80x9_mediastatus(sc, ifmr)
     82   1.1  thorpej 	struct dp8390_softc *sc;
     83   1.1  thorpej 	struct ifmediareq *ifmr;
     84   1.1  thorpej {
     85   1.1  thorpej 	struct ifnet *ifp = &sc->sc_ec.ec_if;
     86   1.1  thorpej 	u_int8_t cr_proto = sc->cr_proto |
     87   1.1  thorpej 	    ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP);
     88   1.1  thorpej 
     89   1.1  thorpej 	/*
     90   1.1  thorpej 	 * Sigh, can detect which media is being used, but can't
     91   1.1  thorpej 	 * detect if we have link or not.
     92   1.1  thorpej 	 */
     93   1.1  thorpej 
     94   1.1  thorpej 	/* Set NIC to page 3 registers. */
     95   1.1  thorpej 	NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3);
     96   1.1  thorpej 
     97   1.1  thorpej 	if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG0) &
     98   1.1  thorpej 	    RTL3_CONFIG0_BNC)
     99   1.1  thorpej 		ifmr->ifm_active = IFM_ETHER|IFM_10_2;
    100   1.1  thorpej 	else {
    101   1.1  thorpej 		ifmr->ifm_active = IFM_ETHER|IFM_10_T;
    102   1.1  thorpej 		if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3) &
    103   1.1  thorpej 		    RTL3_CONFIG3_FUDUP)
    104   1.1  thorpej 			ifmr->ifm_active |= IFM_FDX;
    105   1.1  thorpej 	}
    106   1.1  thorpej 
    107   1.1  thorpej 	/* Set NIC to page 0 registers. */
    108   1.1  thorpej 	NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0);
    109   1.1  thorpej }
    110   1.1  thorpej 
    111   1.1  thorpej void
    112   1.1  thorpej rtl80x9_init_card(sc)
    113   1.1  thorpej 	struct dp8390_softc *sc;
    114   1.1  thorpej {
    115   1.1  thorpej 	struct ifmedia *ifm = &sc->sc_media;
    116   1.1  thorpej 	struct ifnet *ifp = &sc->sc_ec.ec_if;
    117   1.1  thorpej 	u_int8_t cr_proto = sc->cr_proto |
    118   1.1  thorpej 	    ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP);
    119   1.1  thorpej 	u_int8_t reg;
    120   1.1  thorpej 
    121   1.1  thorpej 	/* Set NIC to page 3 registers. */
    122   1.1  thorpej 	NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3);
    123   1.1  thorpej 
    124   1.3       is 	/* write enable config1-3. */
    125   1.3       is 	NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR,
    126   1.3       is 	    RTL3_EECR_EEM1|RTL3_EECR_EEM0);
    127   1.3       is 
    128   1.1  thorpej 	/* First, set basic media type. */
    129   1.1  thorpej 	reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2);
    130   1.1  thorpej 	reg &= ~(RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0);
    131   1.1  thorpej 	switch (IFM_SUBTYPE(ifm->ifm_cur->ifm_media)) {
    132   1.1  thorpej 	case IFM_AUTO:
    133   1.1  thorpej 		/* Nothing to do; both bits clear == auto-detect. */
    134   1.1  thorpej 		break;
    135   1.1  thorpej 
    136   1.1  thorpej 	case IFM_10_T:
    137   1.4       is 		/*
    138   1.4       is 		 * According to docs, this should be:
    139   1.4       is 		 * reg |= RTL3_CONFIG2_PL0;
    140   1.4       is 		 * but this doesn't work, so make it the same as AUTO.
    141   1.4       is 		 */
    142   1.1  thorpej 		break;
    143   1.1  thorpej 
    144   1.1  thorpej 	case IFM_10_2:
    145   1.1  thorpej 		reg |= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0;
    146   1.1  thorpej 		break;
    147   1.1  thorpej 	}
    148   1.1  thorpej 	NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2, reg);
    149   1.1  thorpej 
    150   1.1  thorpej 	/* Now, set duplex mode. */
    151   1.1  thorpej 	reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3);
    152   1.1  thorpej 	if (ifm->ifm_cur->ifm_media & IFM_FDX)
    153   1.1  thorpej 		reg |= RTL3_CONFIG3_FUDUP;
    154   1.1  thorpej 	else
    155   1.1  thorpej 		reg &= ~RTL3_CONFIG3_FUDUP;
    156   1.1  thorpej 	NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3, reg);
    157   1.1  thorpej 
    158   1.3       is 	/* write disable config1-3 */
    159   1.3       is 	NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR, 0);
    160   1.3       is 
    161   1.1  thorpej 	/* Set NIC to page 0 registers. */
    162   1.1  thorpej 	NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0);
    163   1.1  thorpej }
    164   1.1  thorpej 
    165   1.1  thorpej void
    166   1.5  thorpej rtl80x9_media_init(sc)
    167   1.1  thorpej 	struct dp8390_softc *sc;
    168   1.1  thorpej {
    169   1.1  thorpej 	static int rtl80x9_media[] = {
    170   1.1  thorpej 		IFM_ETHER|IFM_AUTO,
    171   1.1  thorpej 		IFM_ETHER|IFM_10_T,
    172   1.1  thorpej 		IFM_ETHER|IFM_10_T|IFM_FDX,
    173   1.1  thorpej 		IFM_ETHER|IFM_10_2,
    174   1.1  thorpej 	};
    175   1.5  thorpej 	static const int rtl80x9_nmedia =
    176   1.5  thorpej 	    sizeof(rtl80x9_media) / sizeof(rtl80x9_media[0]);
    177   1.1  thorpej 
    178   1.5  thorpej 	int i, defmedia;
    179   1.3       is 	u_int8_t conf2, conf3;
    180   1.1  thorpej 
    181  1.13     cube 	aprint_normal_dev(sc->sc_dev,
    182  1.13     cube 	    "10base2, 10baseT, 10baseT-FDX, auto, default ");
    183   1.3       is 
    184   1.3       is 	bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_3);
    185   1.3       is 
    186   1.3       is 	conf2 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2);
    187   1.3       is 	conf3 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3);
    188   1.3       is 	printf("[0x%02x 0x%02x] ", conf2, conf3);
    189   1.3       is 
    190   1.3       is 	conf2 &= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0;
    191   1.3       is 
    192   1.3       is 	switch (conf2) {
    193  1.10  mycroft 	default:
    194   1.5  thorpej 		defmedia = IFM_ETHER|IFM_AUTO;
    195   1.3       is 		printf("auto\n");
    196   1.3       is 		break;
    197   1.3       is 
    198   1.3       is 	case RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0:
    199   1.3       is 	case RTL3_CONFIG2_PL1:	/* XXX rtl docs sys 10base5, but chip cant do */
    200   1.5  thorpej 		defmedia = IFM_ETHER|IFM_10_2;
    201   1.3       is 		printf("10base2\n");
    202   1.3       is 		break;
    203   1.3       is 
    204   1.3       is 	case RTL3_CONFIG2_PL0:
    205   1.3       is 		if (conf3 & RTL3_CONFIG3_FUDUP) {
    206   1.5  thorpej 			defmedia = IFM_ETHER|IFM_10_T|IFM_FDX;
    207   1.3       is 			printf("10baseT-FDX\n");
    208   1.3       is 		} else {
    209   1.5  thorpej 			defmedia = IFM_ETHER|IFM_10_T;
    210   1.3       is 			printf("10baseT\n");
    211   1.3       is 		}
    212   1.3       is 		break;
    213   1.3       is 	}
    214   1.3       is 
    215   1.3       is 	bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_0);
    216   1.5  thorpej 
    217   1.5  thorpej 	ifmedia_init(&sc->sc_media, 0, dp8390_mediachange, dp8390_mediastatus);
    218   1.5  thorpej 	for (i = 0; i < rtl80x9_nmedia; i++)
    219   1.5  thorpej 		ifmedia_add(&sc->sc_media, rtl80x9_media[i], 0, NULL);
    220   1.5  thorpej 	ifmedia_set(&sc->sc_media, defmedia);
    221   1.1  thorpej }
    222