if_ed_pccard.c revision 64630
1/* 2 * Copyright (c) 1995, David Greenman 3 * 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 unmodified, this list of conditions, and the following 10 * disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD: head/sys/dev/ed/if_ed_pccard.c 64630 2000-08-14 04:31:07Z tanimura $ 28 */ 29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/socket.h> 33#include <sys/kernel.h> 34#include <sys/conf.h> 35#include <sys/uio.h> 36#include <sys/select.h> 37#include <machine/clock.h> 38 39#include <sys/module.h> 40#include <sys/bus.h> 41#include <machine/bus.h> 42 43#include <net/ethernet.h> 44#include <net/if.h> 45#include <net/if_arp.h> 46#include <net/if_mib.h> 47 48#include <dev/ed/if_edreg.h> 49#include <dev/ed/if_edvar.h> 50#include <dev/pccard/pccardvar.h> 51#include <pccard/cardinfo.h> 52#include <pccard/slot.h> 53 54#define CARD_MAJOR 50 55 56/* 57 * PC-Card (PCMCIA) specific code. 58 */ 59static int ed_pccard_probe(device_t); 60static int ed_pccard_attach(device_t); 61static int ed_pccard_detach(device_t); 62 63static void ax88190_geteprom(device_t); 64static int ed_pccard_memwrite(device_t dev, off_t offset, u_char byte); 65static int ed_pccard_memread(device_t dev, off_t offset, u_char *buf, int size); 66 67static device_method_t ed_pccard_methods[] = { 68 /* Device interface */ 69 DEVMETHOD(device_probe, ed_pccard_probe), 70 DEVMETHOD(device_attach, ed_pccard_attach), 71 DEVMETHOD(device_detach, ed_pccard_detach), 72 73 { 0, 0 } 74}; 75 76static driver_t ed_pccard_driver = { 77 "ed", 78 ed_pccard_methods, 79 sizeof(struct ed_softc) 80}; 81 82static devclass_t ed_pccard_devclass; 83 84DRIVER_MODULE(ed, pccard, ed_pccard_driver, ed_pccard_devclass, 0, 0); 85 86/* 87 * ed_pccard_detach - unload the driver and clear the table. 88 * XXX TODO: 89 * This is usually called when the card is ejected, but 90 * can be caused by a modunload of a controller driver. 91 * The idea is to reset the driver's view of the device 92 * and ensure that any driver entry points such as 93 * read and write do not hang. 94 */ 95static int 96ed_pccard_detach(device_t dev) 97{ 98 struct ed_softc *sc = device_get_softc(dev); 99 struct ifnet *ifp = &sc->arpcom.ac_if; 100 101 if (sc->gone) { 102 device_printf(dev, "already unloaded\n"); 103 return (0); 104 } 105 ed_stop(sc); 106 ifp->if_flags &= ~IFF_RUNNING; 107 ether_ifdetach(ifp, ETHER_BPF_SUPPORTED); 108 sc->gone = 1; 109 bus_teardown_intr(dev, sc->irq_res, sc->irq_handle); 110 ed_release_resources(dev); 111 return (0); 112} 113 114/* 115 * Probe framework for pccards. Replicates the standard framework, 116 * minus the pccard driver registration and ignores the ether address 117 * supplied (from the CIS), relying on the probe to find it instead. 118 */ 119static int 120ed_pccard_probe(device_t dev) 121{ 122 int error; 123 int flags; 124 struct ed_softc *sc = device_get_softc(dev); 125 126 flags = device_get_flags(dev); 127 128 if (ED_FLAGS_GETTYPE(flags) == ED_FLAGS_AX88190) { 129 /* Special setup for AX88190 */ 130 u_char rdbuf[4]; 131 int iobase; 132 int attr_ioport; 133 134 /* XXX Allocate the port resource during setup. */ 135 error = ed_alloc_port(dev, 0, ED_NOVELL_IO_PORTS); 136 if (error != 0) 137 return (error); 138 139 sc->chip_type = ED_CHIP_TYPE_AX88190; 140 /* 141 * Check & Set Attribute Memory IOBASE Register 142 */ 143 ed_pccard_memread(dev,ED_AX88190_IOBASE0,rdbuf,4); 144 attr_ioport = rdbuf[2] << 8 | rdbuf[0]; 145 iobase = rman_get_start(sc->port_res); 146 if (attr_ioport != iobase) { 147#if notdef 148 printf("AX88190 IOBASE MISMATCH %04x -> %04x Setting\n",attr_ioport,iobase); 149#endif /* notdef */ 150 ed_pccard_memwrite(dev,ED_AX88190_IOBASE0,iobase & 0xff); 151 ed_pccard_memwrite(dev,ED_AX88190_IOBASE1,(iobase >> 8) & 0xff); 152 } 153 ed_ax88190_geteprom(sc); 154 155 ed_release_resources(dev); 156 } 157 158 error = ed_probe_Novell(dev); 159 if (error == 0) 160 goto end; 161 ed_release_resources(dev); 162 163 error = ed_probe_WD80x3(dev); 164 if (error == 0) 165 goto end; 166 ed_release_resources(dev); 167 168end: 169 if (error == 0) 170 error = ed_alloc_irq(dev, 0, 0); 171 172 ed_release_resources(dev); 173 return (error); 174} 175 176static int 177ed_pccard_attach(device_t dev) 178{ 179 struct ed_softc *sc = device_get_softc(dev); 180 int flags = device_get_flags(dev); 181 int error; 182 int i; 183 u_char sum; 184 u_char ether_addr[ETHER_ADDR_LEN]; 185 186 if (sc->port_used > 0) 187 ed_alloc_port(dev, sc->port_rid, sc->port_used); 188 if (sc->mem_used) 189 ed_alloc_memory(dev, sc->mem_rid, sc->mem_used); 190 ed_alloc_irq(dev, sc->irq_rid, 0); 191 192 error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET, 193 edintr, sc, &sc->irq_handle); 194 if (error) { 195 printf("setup intr failed %d \n", error); 196 ed_release_resources(dev); 197 return (error); 198 } 199 200 if (ed_get_Linksys(sc) == 0) { 201 pccard_get_ether(dev, ether_addr); 202 for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++) 203 sum |= ether_addr[i]; 204 if (sum) 205 bcopy(ether_addr, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 206 } 207 208 error = ed_attach(sc, device_get_unit(dev), flags); 209 return (error); 210} 211 212/* XXX: Warner-san, any plan to provide access to the attribute memory? */ 213static int 214ed_pccard_memwrite(device_t dev, off_t offset, u_char byte) 215{ 216 struct pccard_devinfo *devi; 217 dev_t d; 218 struct iovec iov; 219 struct uio uios; 220 221 devi = device_get_ivars(dev); 222 223 iov.iov_base = &byte; 224 iov.iov_len = sizeof(byte); 225 226 uios.uio_iov = &iov; 227 uios.uio_iovcnt = 1; 228 uios.uio_offset = offset; 229 uios.uio_resid = sizeof(byte); 230 uios.uio_segflg = UIO_SYSSPACE; 231 uios.uio_rw = UIO_WRITE; 232 uios.uio_procp = 0; 233 234 d = makedev(CARD_MAJOR, devi->slt->slotnum); 235 return devsw(d)->d_write(d, &uios, 0); 236} 237 238static int 239ed_pccard_memread(device_t dev, off_t offset, u_char *buf, int size) 240{ 241 struct pccard_devinfo *devi; 242 dev_t d; 243 struct iovec iov; 244 struct uio uios; 245 246 devi = device_get_ivars(dev); 247 248 iov.iov_base = buf; 249 iov.iov_len = size; 250 251 uios.uio_iov = &iov; 252 uios.uio_iovcnt = 1; 253 uios.uio_offset = offset; 254 uios.uio_resid = size; 255 uios.uio_segflg = UIO_SYSSPACE; 256 uios.uio_rw = UIO_READ; 257 uios.uio_procp = 0; 258 259 d = makedev(CARD_MAJOR, devi->slt->slotnum); 260 return devsw(d)->d_read(d, &uios, 0); 261} 262