usr/src/uts/common/io/mii/mii_other.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 /*
  27  * MII overrides for other PHYs.
  28  */
  29
  30 #include <sys/types.h>
  31 #include <sys/ddi.h>
  32 #include <sys/sunddi.h>
  33 #include <sys/mii.h>
  34 #include <sys/miiregs.h>
  35 #include "miipriv.h"
  36
  37 #define OUI(MFG, VEND)  { MII_OUI_##MFG, VEND }
  38
  39 static const struct {
  40         uint32_t        oui;
  41         const char      *vendor;
  42 } other_vendors[] = {
  43         OUI(ALTIMA, "Altima Communications"),
  44         OUI(AMD, "Advanced Micro Devices"),
  45         OUI(AMD_2, "Advanced Micro Devices"),
  46         OUI(ATTANSIC, "Atheros/Attansic"),
  47         OUI(BROADCOM, "Broadcom Corporation"),
  48         OUI(BROADCOM_2, "Broadcom Corporation"),
  49         OUI(CICADA, "Cicada Semiconductor"),
  50         OUI(CICADA_2, "Cicada Semiconductor"),
  51         OUI(DAVICOM, "Davicom Semiconductor"),
  52         OUI(DAVICOM_2, "Davicom Semiconductor"),
  53         OUI(ICPLUS, "IC Plus Corp."),
  54         OUI(ICS, "Integrated Circuit Systems"),
  55         OUI(LUCENT, "Lucent Technologies"),
  56         OUI(INTEL, "Intel"),
  57         OUI(MARVELL, "Marvell Technology"),
  58         OUI(NATIONAL_SEMI, "National Semiconductor"),
  59         OUI(NATIONAL_SEMI_2, "National Semiconductor"),
  60         OUI(QUALITY_SEMI, "Quality Semiconductor"),
  61         OUI(QUALITY_SEMI_2, "Quality Semiconductor"),
  62         { 0, NULL }
  63 };
  64
  65 #define ID(MFG, MODEL, DESC)    \
  66         { MII_OUI_##MFG, MII_MODEL_##MFG##_##MODEL, DESC }
  67 #define IDN(MFG, N, MODEL, DESC)                                        \
  68         { MII_OUI_##MFG##_##N, MII_MODEL_##MFG##_##MODEL, DESC }
  69 static const struct {
  70         uint32_t        oui;
  71         uint32_t        model;
  72         const char      *desc;
  73 } other_phys[] = {
  74
  75         /*
  76          * Altima phys are standard compliant.
  77          * AMD Am79C874 and Am79C875 phys are work-alikes.
  78          */
  79         ID(ALTIMA, AC101, "AC101/Am79C874"),
  80         ID(ALTIMA, AC101L, "AC101L"),
  81         ID(ALTIMA, AM79C875, "Am79C875"),
  82
  83         /*
  84          * AMD phys are pretty much standard.
  85          */
  86         ID(AMD, AM79C901, "Am79C901"),
  87         ID(AMD, AM79C972, "Am79C792"),
  88         ID(AMD, AM79C973, "Am79C793"),
  89         IDN(AMD, 2, AM79C901, "Am79C901"),
  90         IDN(AMD, 2, AM79C972, "Am79C792"),
  91         IDN(AMD, 2, AM79C973, "Am79C793"),
  92
  93         /*
  94          * Davicom phys are standard compliant.
  95          */
  96         ID(DAVICOM, DM9101, "DM9101"),
  97         ID(DAVICOM, DM9102, "DM9102"),
  98         ID(DAVICOM, DM9161, "DM9161"),
  99         IDN(DAVICOM, 2, DM9101, "DM9101"),
 100         IDN(DAVICOM, 2, DM9102, "DM9102"),
 101
 102         /*
 103          * IC Plus phy is standard compliant.
 104          */
 105         ID(ICPLUS, IP101, "IP101"),
 106
 107         /*
 108          * ICS phys need double read (bits are latched), have some
 109          * faster polling support, and support for automatic power down.
 110          * The framework deals with the first, we don't need the second,
 111          * and the third is set to default anyway, so we don't need to
 112          * use any special handling.
 113          */
 114         ID(ICS, ICS1889, "ICS1889"),
 115         ID(ICS, ICS1890, "ICS1890"),
 116         ID(ICS, ICS1892, "ICS1892"),
 117         ID(ICS, ICS1893, "ICS1893"),
 118
 119         ID(LUCENT, LU6612, "LU6612"),
 120
 121         { 0, 0, NULL },
 122 };
 123
 124 boolean_t
 125 phy_other_probe(phy_handle_t *ph)
 126 {
 127         uint32_t vid = MII_PHY_MFG(ph->phy_id);
 128         uint32_t pid = MII_PHY_MODEL(ph->phy_id);
 129
 130         if ((ph->phy_id == 0) || (ph->phy_id == 0xffffffffU)) {
 131                 /*
 132                  * IDs are technically optional, but all discrete PHYs
 133                  * should have them.
 134                  */
 135                 ph->phy_vendor = "Internal";
 136                 ph->phy_model = "PHY";
 137         }
 138         for (int i = 0; other_vendors[i].vendor; i++) {
 139                 if (vid == other_vendors[i].oui) {
 140                         ph->phy_vendor = other_vendors[i].vendor;
 141
 142                         for (int j = 0; other_phys[j].desc; j++) {
 143                                 if (vid == other_phys[j].oui &&
 144                                     pid == other_phys[j].model) {
 145                                         ph->phy_model = other_phys[j].desc;
 146                                         return (B_TRUE);
 147                                 }
 148                         }
 149
 150                         /* PHY from this vendor isn't known to us */
 151                         return (B_FALSE);
 152                 }
 153         }
 154         return (B_FALSE);
 155 }