if_ed_pccard.c revision 67164
1255570Strasz/* 2255570Strasz * Copyright (c) 1995, David Greenman 3255570Strasz * All rights reserved. 4255570Strasz * 5255570Strasz * Redistribution and use in source and binary forms, with or without 6255570Strasz * modification, are permitted provided that the following conditions 7255570Strasz * are met: 8255570Strasz * 1. Redistributions of source code must retain the above copyright 9255570Strasz * notice unmodified, this list of conditions, and the following 10270907Sngie * disclaimer. 11255570Strasz * 2. Redistributions in binary form must reproduce the above copyright 12255570Strasz * notice, this list of conditions and the following disclaimer in the 13255570Strasz * documentation and/or other materials provided with the distribution. 14255570Strasz * 15255570Strasz * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16255570Strasz * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17255570Strasz * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18255570Strasz * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19255570Strasz * 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 67164 2000-10-15 14:19:01Z phk $ 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 38#include <sys/module.h> 39#include <sys/bus.h> 40#include <machine/bus.h> 41#include <sys/rman.h> 42#include <machine/resource.h> 43 44#include <net/ethernet.h> 45#include <net/if.h> 46#include <net/if_arp.h> 47#include <net/if_mib.h> 48 49#include <dev/ed/if_edreg.h> 50#include <dev/ed/if_edvar.h> 51#include <dev/pccard/pccardvar.h> 52#include "card_if.h" 53 54/* 55 * PC-Card (PCMCIA) specific code. 56 */ 57static int ed_pccard_probe(device_t); 58static int ed_pccard_attach(device_t); 59static int ed_pccard_detach(device_t); 60 61static void ax88190_geteprom(struct ed_softc *); 62static int ed_pccard_memwrite(device_t dev, off_t offset, u_char byte); 63static int linksys; 64 65static device_method_t ed_pccard_methods[] = { 66 /* Device interface */ 67 DEVMETHOD(device_probe, ed_pccard_probe), 68 DEVMETHOD(device_attach, ed_pccard_attach), 69 DEVMETHOD(device_detach, ed_pccard_detach), 70 71 { 0, 0 } 72}; 73 74static driver_t ed_pccard_driver = { 75 "ed", 76 ed_pccard_methods, 77 sizeof(struct ed_softc) 78}; 79 80static devclass_t ed_pccard_devclass; 81 82DRIVER_MODULE(ed, pccard, ed_pccard_driver, ed_pccard_devclass, 0, 0); 83 84/* 85 * ed_pccard_detach - unload the driver and clear the table. 86 * XXX TODO: 87 * This is usually called when the card is ejected, but 88 * can be caused by a modunload of a controller driver. 89 * The idea is to reset the driver's view of the device 90 * and ensure that any driver entry points such as 91 * read and write do not hang. 92 */ 93static int 94ed_pccard_detach(device_t dev) 95{ 96 struct ed_softc *sc = device_get_softc(dev); 97 struct ifnet *ifp = &sc->arpcom.ac_if; 98 99 if (sc->gone) { 100 device_printf(dev, "already unloaded\n"); 101 return (0); 102 } 103 ed_stop(sc); 104 ifp->if_flags &= ~IFF_RUNNING; 105 ether_ifdetach(ifp, ETHER_BPF_SUPPORTED); 106 sc->gone = 1; 107 bus_teardown_intr(dev, sc->irq_res, sc->irq_handle); 108 ed_release_resources(dev); 109 return (0); 110} 111 112/* 113 * Probe framework for pccards. Replicates the standard framework, 114 * minus the pccard driver registration and ignores the ether address 115 * supplied (from the CIS), relying on the probe to find it instead. 116 */ 117static int 118ed_pccard_probe(device_t dev) 119{ 120 struct ed_softc *sc = device_get_softc(dev); 121 int flags = device_get_flags(dev); 122 int error; 123 124 if (ED_FLAGS_GETTYPE(flags) == ED_FLAGS_AX88190) { 125 /* Special setup for AX88190 */ 126 int iobase; 127 128 /* Allocate the port resource during setup. */ 129 error = ed_alloc_port(dev, 0, ED_NOVELL_IO_PORTS); 130 if (error) 131 return (error); 132 133 sc->asic_offset = ED_NOVELL_ASIC_OFFSET; 134 sc->nic_offset = ED_NOVELL_NIC_OFFSET; 135 136 sc->chip_type = ED_CHIP_TYPE_AX88190; 137 138 /* 139 * Set Attribute Memory IOBASE Register 140 */ 141 iobase = rman_get_start(sc->port_res); 142 ed_pccard_memwrite(dev, ED_AX88190_IOBASE0, 143 iobase & 0xff); 144 ed_pccard_memwrite(dev, ED_AX88190_IOBASE1, 145 (iobase >> 8) & 0xff); 146 ax88190_geteprom(sc); 147 148 ed_release_resources(dev); 149 } 150 151 error = ed_probe_Novell(dev, 0, flags); 152 if (error == 0) 153 goto end; 154 ed_release_resources(dev); 155 156 error = ed_probe_WD80x3(dev, 0, flags); 157 if (error == 0) 158 goto end; 159 ed_release_resources(dev); 160 goto end2; 161 162end: 163 linksys = ed_get_Linksys(dev); 164end2: 165 if (error == 0) 166 error = ed_alloc_irq(dev, 0, 0); 167 168 ed_release_resources(dev); 169 return (error); 170} 171 172static int 173ed_pccard_attach(device_t dev) 174{ 175 struct ed_softc *sc = device_get_softc(dev); 176 int flags = device_get_flags(dev); 177 int error; 178 int i; 179 u_char sum; 180 u_char ether_addr[ETHER_ADDR_LEN]; 181 182 if (sc->port_used > 0) 183 ed_alloc_port(dev, sc->port_rid, sc->port_used); 184 if (sc->mem_used) 185 ed_alloc_memory(dev, sc->mem_rid, sc->mem_used); 186 ed_alloc_irq(dev, sc->irq_rid, 0); 187 188 error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET, 189 edintr, sc, &sc->irq_handle); 190 if (error) { 191 printf("setup intr failed %d \n", error); 192 ed_release_resources(dev); 193 return (error); 194 } 195 196 if (linksys == 0) { 197 pccard_get_ether(dev, ether_addr); 198 for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++) 199 sum |= ether_addr[i]; 200 if (sum) 201 bcopy(ether_addr, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 202 } 203 204 error = ed_attach(sc, device_get_unit(dev), flags); 205 return (error); 206} 207 208static void 209ax88190_geteprom(struct ed_softc *sc) 210{ 211 int prom[16],i; 212 u_char tmp; 213 struct { 214 unsigned char offset, value; 215 } pg_seq[] = { 216 {ED_P0_CR, ED_CR_RD2|ED_CR_STP}, /* Select Page0 */ 217 {ED_P0_DCR, 0x01}, 218 {ED_P0_RBCR0, 0x00}, /* Clear the count regs. */ 219 {ED_P0_RBCR1, 0x00}, 220 {ED_P0_IMR, 0x00}, /* Mask completion irq. */ 221 {ED_P0_ISR, 0xff}, 222 {ED_P0_RCR, ED_RCR_MON | ED_RCR_INTT}, /* Set To Monitor */ 223 {ED_P0_TCR, ED_TCR_LB0}, /* loopback mode. */ 224 {ED_P0_RBCR0, 32}, 225 {ED_P0_RBCR1, 0x00}, 226 {ED_P0_RSAR0, 0x00}, 227 {ED_P0_RSAR1, 0x04}, 228 {ED_P0_CR ,ED_CR_RD0 | ED_CR_STA}, 229 }; 230 231 /* Reset Card */ 232 tmp = ed_asic_inb(sc, ED_NOVELL_RESET); 233 ed_asic_outb(sc, ED_NOVELL_RESET, tmp); 234 DELAY(5000); 235 ed_asic_outb(sc, ED_P0_CR, ED_CR_RD2 | ED_CR_STP); 236 DELAY(5000); 237 238 /* Card Settings */ 239 for (i = 0; i < sizeof(pg_seq) / sizeof(pg_seq[0]); i++) 240 ed_nic_outb(sc, pg_seq[i].offset, pg_seq[i].value); 241 242 /* Get Data */ 243 for (i = 0; i < 16; i++) 244 prom[i] = ed_asic_inb(sc, 0); 245/* 246 for (i = 0; i < 16; i++) 247 printf("ax88190 eprom [%02d] %02x %02x\n", 248 i,prom[i] & 0xff,prom[i] >> 8); 249*/ 250 sc->arpcom.ac_enaddr[0] = prom[0] & 0xff; 251 sc->arpcom.ac_enaddr[1] = prom[0] >> 8; 252 sc->arpcom.ac_enaddr[2] = prom[1] & 0xff; 253 sc->arpcom.ac_enaddr[3] = prom[1] >> 8; 254 sc->arpcom.ac_enaddr[4] = prom[2] & 0xff; 255 sc->arpcom.ac_enaddr[5] = prom[2] >> 8; 256} 257 258static int 259ed_pccard_memwrite(device_t dev, off_t offset, u_char byte) 260{ 261 int cis_rid; 262 struct resource *cis; 263 264 cis_rid = 0; 265 cis = bus_alloc_resource(dev, SYS_RES_MEMORY, &cis_rid, 0, ~0, 4 << 10, RF_ACTIVE | RF_SHAREABLE); 266 if (cis == NULL) 267 return (ENXIO); 268 CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY, cis_rid, PCCARD_A_MEM_ATTR); 269 270 bus_space_write_1(rman_get_bustag(cis), rman_get_bushandle(cis), offset, byte); 271 272 bus_release_resource(dev, SYS_RES_MEMORY, cis_rid, cis); 273 274 return (0); 275} 276