1 /* $NetBSD: dp83905.c,v 1.4 2007/10/19 11:59:50 ad Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 Ben Harris 5 * Copyright (c) 1998 Mike Pumford 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the NetBSD 18 * Foundation, Inc. and its contributors. 19 * 4. Neither the name of The NetBSD Foundation nor the names of its 20 * contributors may be used to endorse or promote products derived 21 * from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 #include <sys/param.h> 37 38 __KERNEL_RCSID(0, "$NetBSD: dp83905.c,v 1.4 2007/10/19 11:59:50 ad Exp $"); 39 40 #include <sys/device.h> 41 #include <sys/mbuf.h> 42 #include <sys/socket.h> 43 #include <sys/systm.h> 44 45 #include <net/if.h> 46 #include <net/if_ether.h> 47 #include <net/if_media.h> 48 49 #include <sys/bus.h> 50 51 #include <dev/ic/dp8390reg.h> 52 #include <dev/ic/dp8390var.h> 53 54 #include <dev/ic/dp83905reg.h> 55 #include <dev/ic/dp83905var.h> 56 57 int 58 dp83905_mediachange(struct dp8390_softc *sc) 59 { 60 61 /* Media already set up. Reset the interface to make it stick. */ 62 dp8390_reset(sc); 63 return (0); 64 } 65 66 void 67 dp83905_mediastatus(struct dp8390_softc *sc, struct ifmediareq *ifmr) 68 { 69 bus_space_tag_t nict = sc->sc_regt; 70 bus_space_handle_t nich = sc->sc_regh; 71 u_int8_t mcrb; 72 73 bus_space_write_1(nict, nich, ED_P0_CR, 74 ED_CR_RD2 | ED_CR_PAGE_0 | ED_CR_STA); 75 mcrb = bus_space_read_1(nict, nich, DP83905_MCRB); 76 /* Random op so next RBCR1 write doesn't go to MCRB. */ 77 bus_space_write_1(nict, nich, ED_P0_CR, 78 ED_CR_RD2 | ED_CR_PAGE_0 | ED_CR_STA); 79 switch (mcrb & DP83905_MCRB_PHY_MASK) { 80 case DP83905_MCRB_PHY_10_T: 81 case DP83905_MCRB_PHY_TPI_NONSPEC: /* XXX */ 82 ifmr->ifm_active = IFM_ETHER | IFM_10_T; 83 ifmr->ifm_status = IFM_AVALID; 84 if (mcrb & DP83905_MCRB_GDLNK) 85 ifmr->ifm_status |= IFM_ACTIVE; 86 break; 87 case DP83905_MCRB_PHY_10_2: 88 ifmr->ifm_active = IFM_ETHER | IFM_10_2; 89 break; 90 case DP83905_MCRB_PHY_AUI: 91 ifmr->ifm_active = IFM_ETHER | IFM_10_5; 92 break; 93 } 94 } 95 96 void dp83905_init_card(struct dp8390_softc *sc) 97 { 98 struct ifmedia *ifm = &sc->sc_media; 99 bus_space_tag_t nict = sc->sc_regt; 100 bus_space_handle_t nich = sc->sc_regh; 101 u_int8_t mcrb; 102 103 /* Set basic media type. */ 104 switch (IFM_SUBTYPE(ifm->ifm_cur->ifm_media)) { 105 case IFM_AUTO: 106 /* software auto detect the media */ 107 mcrb = bus_space_read_1(nict, nich, DP83905_MCRB); 108 mcrb &= ~(DP83905_MCRB_PHY_MASK | DP83905_MCRB_GDLNK | 109 DP83905_MCRB_BE); 110 mcrb |= DP83905_MCRB_PHY_10_T; 111 bus_space_write_1(nict, nich, DP83905_MCRB, mcrb); 112 mcrb = bus_space_read_1(nict, nich, DP83905_MCRB); 113 if (mcrb & DP83905_MCRB_GDLNK) 114 break; 115 /* No UTP use BNC */ 116 /* FALLTHROUGH */ 117 118 case IFM_10_2: 119 mcrb = bus_space_read_1(nict, nich, DP83905_MCRB); 120 mcrb &= ~(DP83905_MCRB_PHY_MASK | DP83905_MCRB_GDLNK | 121 DP83905_MCRB_BE); 122 mcrb |= DP83905_MCRB_PHY_10_2; 123 bus_space_write_1(nict, nich, DP83905_MCRB, mcrb); 124 /* 125 * seems that re-reading config B here is required to 126 * prevent the interface hanging when manually selecting. 127 */ 128 bus_space_read_1(nict, nich, DP83905_MCRB); 129 break; 130 131 case IFM_10_T: 132 mcrb = bus_space_read_1(nict, nich, DP83905_MCRB); 133 mcrb &= ~(DP83905_MCRB_PHY_MASK | DP83905_MCRB_GDLNK | 134 DP83905_MCRB_BE); 135 mcrb |= DP83905_MCRB_PHY_10_T; 136 bus_space_write_1(nict, nich, DP83905_MCRB, mcrb); 137 /* 138 * seems that re-reading config B here is required to 139 * prevent the interface hanging when manually selecting. 140 */ 141 bus_space_read_1(nict, nich, DP83905_MCRB); 142 break; 143 144 case IFM_10_5: 145 mcrb = bus_space_read_1(nict, nich, DP83905_MCRB); 146 mcrb &= ~(DP83905_MCRB_PHY_MASK | DP83905_MCRB_GDLNK | 147 DP83905_MCRB_BE); 148 mcrb |= DP83905_MCRB_PHY_AUI; 149 bus_space_write_1(nict, nich, DP83905_MCRB, mcrb); 150 /* 151 * seems that re-reading config B here is required to 152 * prevent the interface hanging when manually selecting. 153 */ 154 bus_space_read_1(nict, nich, DP83905_MCRB); 155 break; 156 } 157 } 158
Indexes created Sat Sep 20 22:09:52 GMT 2025