1/* 2 * Copyright (c) 1997, 1998, 1999 3 * Bill Paul <wpaul@ee.columbia.edu>. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Bill Paul. 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h>
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34__FBSDID("$FreeBSD: head/sys/dev/dc/pnphy.c 217417 2011-01-14 20:26:59Z marius $");
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34__FBSDID("$FreeBSD: head/sys/dev/dc/pnphy.c 221407 2011-05-03 19:51:29Z marius $"); |
35 36/* 37 * Pseudo-driver for media selection on the Lite-On PNIC 82c168 38 * chip. The NWAY support on this chip is horribly broken, so we 39 * only support manual mode selection. This is lame, but getting 40 * NWAY to work right is amazingly difficult. 41 */ 42 43#include <sys/param.h> 44#include <sys/systm.h> 45#include <sys/kernel.h> 46#include <sys/socket.h> 47#include <sys/errno.h> 48#include <sys/lock.h> 49#include <sys/module.h> 50#include <sys/mutex.h> 51#include <sys/bus.h> 52 53#include <net/if.h> 54#include <net/if_arp.h> 55#include <net/if_media.h> 56 57#include <dev/mii/mii.h> 58#include <dev/mii/miivar.h> 59#include "miidevs.h" 60 61#include <machine/bus.h> 62#include <machine/resource.h> 63#include <sys/bus.h> 64 65#include <dev/dc/if_dcreg.h> 66 67#include "miibus_if.h" 68 69static int pnphy_probe(device_t); 70static int pnphy_attach(device_t); 71 72static device_method_t pnphy_methods[] = { 73 /* device interface */ 74 DEVMETHOD(device_probe, pnphy_probe), 75 DEVMETHOD(device_attach, pnphy_attach), 76 DEVMETHOD(device_detach, mii_phy_detach), 77 DEVMETHOD(device_shutdown, bus_generic_shutdown), 78 { 0, 0 } 79}; 80 81static devclass_t pnphy_devclass; 82 83static driver_t pnphy_driver = { 84 "pnphy", 85 pnphy_methods, 86 sizeof(struct mii_softc) 87}; 88 89DRIVER_MODULE(pnphy, miibus, pnphy_driver, pnphy_devclass, 0, 0); 90 91static int pnphy_service(struct mii_softc *, struct mii_data *, int); 92static void pnphy_status(struct mii_softc *);
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93static void pnphy_reset(struct mii_softc *); |
94
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95static const struct mii_phy_funcs pnphy_funcs = { 96 pnphy_service, 97 pnphy_status, 98 pnphy_reset 99}; 100 |
101static int 102pnphy_probe(device_t dev) 103{ 104 struct mii_attach_args *ma; 105 106 ma = device_get_ivars(dev); 107 108 /* 109 * The dc driver will report the 82c168 vendor and device 110 * ID to let us know that it wants us to attach. 111 */ 112 if (ma->mii_id1 != DC_VENDORID_LO || 113 ma->mii_id2 != DC_DEVICEID_82C168) 114 return (ENXIO); 115 116 device_set_desc(dev, "PNIC 82c168 media interface"); 117 118 return (BUS_PROBE_DEFAULT); 119} 120 121static int 122pnphy_attach(device_t dev) 123{ 124 struct mii_softc *sc;
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118 struct mii_attach_args *ma;
119 struct mii_data *mii;
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125 126 sc = device_get_softc(dev);
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122 ma = device_get_ivars(dev);
123 sc->mii_dev = device_get_parent(dev);
124 mii = ma->mii_data;
125 LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
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127
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127 sc->mii_flags = miibus_get_flags(dev);
128 sc->mii_inst = mii->mii_instance++;
129 sc->mii_phy = ma->mii_phyno;
130 sc->mii_service = pnphy_service;
131 sc->mii_pdata = mii;
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128 mii_phy_dev_attach(dev, MIIF_NOISOLATE | MIIF_NOMANPAUSE, 129 &pnphy_funcs, 0); |
130
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133 /*
134 * Apparently, we can neither isolate nor do loopback.
135 */
136 sc->mii_flags |= MIIF_NOISOLATE | MIIF_NOLOOP;
137
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131 sc->mii_capabilities = 132 BMSR_100TXFDX | BMSR_100TXHDX | BMSR_10TFDX | BMSR_10THDX;
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140 sc->mii_capabilities &= ma->mii_capmask;
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133 sc->mii_capabilities &= sc->mii_capmask; |
134 device_printf(dev, " "); 135 mii_phy_add_media(sc); 136 printf("\n"); 137 138 MIIBUS_MEDIAINIT(sc->mii_dev); 139 return (0); 140} 141 142static int 143pnphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd) 144{ 145 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 146 147 switch (cmd) { 148 case MII_POLLSTAT: 149 break; 150 151 case MII_MEDIACHG: 152 /* 153 * If the interface is not up, don't do anything. 154 */ 155 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 156 break; 157 158 /* 159 * Note that auto-negotiation is broken on this chip. 160 */ 161 switch (IFM_SUBTYPE(ife->ifm_media)) { 162 case IFM_100_TX: 163 mii->mii_media_active = IFM_ETHER | IFM_100_TX; 164 if ((ife->ifm_media & IFM_FDX) != 0) 165 mii->mii_media_active |= IFM_FDX; 166 MIIBUS_STATCHG(sc->mii_dev); 167 return (0); 168 case IFM_10_T: 169 mii->mii_media_active = IFM_ETHER | IFM_10_T; 170 if ((ife->ifm_media & IFM_FDX) != 0) 171 mii->mii_media_active |= IFM_FDX; 172 MIIBUS_STATCHG(sc->mii_dev); 173 return (0); 174 default: 175 return (EINVAL); 176 } 177 break; 178 179 case MII_TICK: 180 /* 181 * Is the interface even up? 182 */ 183 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 184 return (0); 185 186 break; 187 } 188 189 /* Update the media status. */
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197 pnphy_status(sc);
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190 PHY_STATUS(sc); |
191 192 /* Callback if something changed. */ 193 mii_phy_update(sc, cmd); 194 return (0); 195} 196 197static void 198pnphy_status(struct mii_softc *sc) 199{ 200 struct mii_data *mii = sc->mii_pdata; 201 int reg; 202 struct dc_softc *dc_sc; 203 204 dc_sc = mii->mii_ifp->if_softc; 205 206 mii->mii_media_status = IFM_AVALID; 207 mii->mii_media_active = IFM_ETHER; 208 209 reg = CSR_READ_4(dc_sc, DC_ISR); 210 if (!(reg & DC_ISR_LINKFAIL)) 211 mii->mii_media_status |= IFM_ACTIVE; 212 reg = CSR_READ_4(dc_sc, DC_NETCFG); 213 if (reg & DC_NETCFG_SPEEDSEL) 214 mii->mii_media_active |= IFM_10_T; 215 else 216 mii->mii_media_active |= IFM_100_TX; 217 if (reg & DC_NETCFG_FULLDUPLEX) 218 mii->mii_media_active |= IFM_FDX; 219 else 220 mii->mii_media_active |= IFM_HDX; 221}
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222 223static void 224pnphy_reset(struct mii_softc *sc __unused) 225{ 226 227} |
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