if_ed_pccard.c revision 65771
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 65771 2000-09-12 11:03:12Z ps $ 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(struct ed_softc *); 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); 66static int linksys; 67 68static device_method_t ed_pccard_methods[] = { 69 /* Device interface */ 70 DEVMETHOD(device_probe, ed_pccard_probe), 71 DEVMETHOD(device_attach, ed_pccard_attach), 72 DEVMETHOD(device_detach, ed_pccard_detach), 73 74 { 0, 0 } 75}; 76 77static driver_t ed_pccard_driver = { 78 "ed", 79 ed_pccard_methods, 80 sizeof(struct ed_softc) 81}; 82 83static devclass_t ed_pccard_devclass; 84 85DRIVER_MODULE(ed, pccard, ed_pccard_driver, ed_pccard_devclass, 0, 0); 86 87/* 88 * ed_pccard_detach - unload the driver and clear the table. 89 * XXX TODO: 90 * This is usually called when the card is ejected, but 91 * can be caused by a modunload of a controller driver. 92 * The idea is to reset the driver's view of the device 93 * and ensure that any driver entry points such as 94 * read and write do not hang. 95 */ 96static int 97ed_pccard_detach(device_t dev) 98{ 99 struct ed_softc *sc = device_get_softc(dev); 100 struct ifnet *ifp = &sc->arpcom.ac_if; 101 102 if (sc->gone) { 103 device_printf(dev, "already unloaded\n"); 104 return (0); 105 } 106 ed_stop(sc); 107 ifp->if_flags &= ~IFF_RUNNING; 108 ether_ifdetach(ifp, ETHER_BPF_SUPPORTED); 109 sc->gone = 1; 110 bus_teardown_intr(dev, sc->irq_res, sc->irq_handle); 111 ed_release_resources(dev); 112 return (0); 113} 114 115/* 116 * Probe framework for pccards. Replicates the standard framework, 117 * minus the pccard driver registration and ignores the ether address 118 * supplied (from the CIS), relying on the probe to find it instead. 119 */ 120static int 121ed_pccard_probe(device_t dev) 122{ 123 struct ed_softc *sc = device_get_softc(dev); 124 int flags = device_get_flags(dev); 125 int error; 126 127 if (ED_FLAGS_GETTYPE(flags) == ED_FLAGS_AX88190) { 128 /* Special setup for AX88190 */ 129 u_char rdbuf[4]; 130 int iobase; 131 int attr_ioport; 132 133 /* XXX Allocate the port resource during setup. */ 134 error = ed_alloc_port(dev, 0, ED_NOVELL_IO_PORTS); 135 if (error) 136 return (error); 137 138 sc->asic_offset = ED_NOVELL_ASIC_OFFSET; 139 sc->nic_offset = ED_NOVELL_NIC_OFFSET; 140 141 sc->chip_type = ED_CHIP_TYPE_AX88190; 142 143 /* 144 * Check & Set Attribute Memory IOBASE Register 145 */ 146 ed_pccard_memread(dev, ED_AX88190_IOBASE0, rdbuf, 4); 147 attr_ioport = rdbuf[2] << 8 | rdbuf[0]; 148 iobase = rman_get_start(sc->port_res); 149 if (attr_ioport != iobase) { 150#if notdef 151 printf("AX88190 IOBASE MISMATCH %04x -> %04x Setting\n", attr_ioport, iobase); 152#endif /* notdef */ 153 ed_pccard_memwrite(dev, ED_AX88190_IOBASE0, 154 iobase & 0xff); 155 ed_pccard_memwrite(dev, ED_AX88190_IOBASE1, 156 (iobase >> 8) & 0xff); 157 } 158 ax88190_geteprom(sc); 159 160 ed_release_resources(dev); 161 } 162 163 error = ed_probe_Novell(dev, 0, flags); 164 if (error == 0) 165 goto end; 166 ed_release_resources(dev); 167 168 error = ed_probe_WD80x3(dev, 0, flags); 169 if (error == 0) 170 goto end; 171 ed_release_resources(dev); 172 173end: 174 linksys = ed_get_Linksys(dev); 175 if (error == 0) 176 error = ed_alloc_irq(dev, 0, 0); 177 178 ed_release_resources(dev); 179 return (error); 180} 181 182static int 183ed_pccard_attach(device_t dev) 184{ 185 struct ed_softc *sc = device_get_softc(dev); 186 int flags = device_get_flags(dev); 187 int error; 188 int i; 189 u_char sum; 190 u_char ether_addr[ETHER_ADDR_LEN]; 191 192 if (sc->port_used > 0) 193 ed_alloc_port(dev, sc->port_rid, sc->port_used); 194 if (sc->mem_used) 195 ed_alloc_memory(dev, sc->mem_rid, sc->mem_used); 196 ed_alloc_irq(dev, sc->irq_rid, 0); 197 198 error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET, 199 edintr, sc, &sc->irq_handle); 200 if (error) { 201 printf("setup intr failed %d \n", error); 202 ed_release_resources(dev); 203 return (error); 204 } 205 206 if (linksys == 0) { 207 pccard_get_ether(dev, ether_addr); 208 for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++) 209 sum |= ether_addr[i]; 210 if (sum) 211 bcopy(ether_addr, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 212 } 213 214 error = ed_attach(sc, device_get_unit(dev), flags); 215 return (error); 216} 217 218static void 219ax88190_geteprom(struct ed_softc *sc) 220{ 221 int prom[16],i; 222 u_char tmp; 223 struct { 224 unsigned char offset, value; 225 } pg_seq[] = { 226 {ED_P0_CR, ED_CR_RD2|ED_CR_STP}, /* Select Page0 */ 227 {ED_P0_DCR, 0x01}, 228 {ED_P0_RBCR0, 0x00}, /* Clear the count regs. */ 229 {ED_P0_RBCR1, 0x00}, 230 {ED_P0_IMR, 0x00}, /* Mask completion irq. */ 231 {ED_P0_ISR, 0xff}, 232 {ED_P0_RCR, ED_RCR_MON | ED_RCR_INTT}, /* Set To Monitor */ 233 {ED_P0_TCR, ED_TCR_LB0}, /* loopback mode. */ 234 {ED_P0_RBCR0, 32}, 235 {ED_P0_RBCR1, 0x00}, 236 {ED_P0_RSAR0, 0x00}, 237 {ED_P0_RSAR1, 0x04}, 238 {ED_P0_CR ,ED_CR_RD0 | ED_CR_STA}, 239 }; 240 241 /* Reset Card */ 242 tmp = ed_asic_inb(sc, ED_NOVELL_RESET); 243 ed_asic_outb(sc, ED_NOVELL_RESET, tmp); 244 DELAY(5000); 245 ed_asic_outb(sc, ED_P0_CR, ED_CR_RD2 | ED_CR_STP); 246 DELAY(5000); 247 248 /* Card Settings */ 249 for (i = 0; i < sizeof(pg_seq) / sizeof(pg_seq[0]); i++) 250 ed_nic_outb(sc, pg_seq[i].offset, pg_seq[i].value); 251 252 /* Get Data */ 253 for (i = 0; i < 16; i++) 254 prom[i] = ed_asic_inb(sc, 0); 255/* 256 for (i = 0; i < 16; i++) 257 printf("ax88190 eprom [%02d] %02x %02x\n", 258 i,prom[i] & 0xff,prom[i] >> 8); 259*/ 260 sc->arpcom.ac_enaddr[0] = prom[0] & 0xff; 261 sc->arpcom.ac_enaddr[1] = prom[0] >> 8; 262 sc->arpcom.ac_enaddr[2] = prom[1] & 0xff; 263 sc->arpcom.ac_enaddr[3] = prom[1] >> 8; 264 sc->arpcom.ac_enaddr[4] = prom[2] & 0xff; 265 sc->arpcom.ac_enaddr[5] = prom[2] >> 8; 266} 267 268/* XXX: Warner-san, any plan to provide access to the attribute memory? */ 269static int 270ed_pccard_memwrite(device_t dev, off_t offset, u_char byte) 271{ 272 struct pccard_devinfo *devi; 273 dev_t d; 274 struct iovec iov; 275 struct uio uios; 276 277 devi = device_get_ivars(dev); 278 279 iov.iov_base = &byte; 280 iov.iov_len = sizeof(byte); 281 282 uios.uio_iov = &iov; 283 uios.uio_iovcnt = 1; 284 uios.uio_offset = offset; 285 uios.uio_resid = sizeof(byte); 286 uios.uio_segflg = UIO_SYSSPACE; 287 uios.uio_rw = UIO_WRITE; 288 uios.uio_procp = 0; 289 290 d = makedev(CARD_MAJOR, devi->slt->slotnum); 291 return devsw(d)->d_write(d, &uios, 0); 292} 293 294static int 295ed_pccard_memread(device_t dev, off_t offset, u_char *buf, int size) 296{ 297 struct pccard_devinfo *devi; 298 dev_t d; 299 struct iovec iov; 300 struct uio uios; 301 302 devi = device_get_ivars(dev); 303 304 iov.iov_base = buf; 305 iov.iov_len = size; 306 307 uios.uio_iov = &iov; 308 uios.uio_iovcnt = 1; 309 uios.uio_offset = offset; 310 uios.uio_resid = size; 311 uios.uio_segflg = UIO_SYSSPACE; 312 uios.uio_rw = UIO_READ; 313 uios.uio_procp = 0; 314 315 d = makedev(CARD_MAJOR, devi->slt->slotnum); 316 return devsw(d)->d_read(d, &uios, 0); 317} 318