1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2000 Mitsuru IWASAKI 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 */ 29 30#include <sys/cdefs.h> 31__FBSDID("$FreeBSD$"); 32 33#include <sys/param.h> 34#include <sys/systm.h> 35#include <sys/kernel.h> 36#include <sys/socket.h> 37 38#include <sys/module.h> 39#include <sys/bus.h> 40 41#include <machine/bus.h> 42#include <machine/resource.h> 43#include <sys/rman.h> 44 45#include <net/if.h> 46#include <net/if_arp.h> 47#include <net/if_media.h> 48 49#include <dev/ex/if_exreg.h> 50#include <dev/ex/if_exvar.h> 51 52#include <dev/pccard/pccardvar.h> 53#include <dev/pccard/pccard_cis.h> 54#include "pccarddevs.h" 55 56static const struct pccard_product ex_pccard_products[] = { 57 PCMCIA_CARD(OLICOM, OC2220), 58 PCMCIA_CARD(OLICOM, OC2231), 59 PCMCIA_CARD(OLICOM, OC2232), 60 PCMCIA_CARD(INTEL, ETHEREXPPRO), 61 { NULL } 62}; 63 64/* Bus Front End Functions */ 65static int ex_pccard_probe(device_t); 66static int ex_pccard_attach(device_t); 67 68static int 69ex_pccard_enet_ok(u_char *enaddr) 70{ 71 int i; 72 u_char sum; 73 74 if (enaddr[0] == 0xff) 75 return (0); 76 for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++) 77 sum |= enaddr[i]; 78 return (sum != 0); 79} 80 81static int 82ex_pccard_silicom_cb(const struct pccard_tuple *tuple, void *arg) 83{ 84 u_char *enaddr = arg; 85 int i; 86 87 if (tuple->code != CISTPL_FUNCE) 88 return (0); 89 if (tuple->length != 15) 90 return (0); 91 if (pccard_tuple_read_1(tuple, 6) != 6) 92 return (0); 93 for (i = 0; i < 6; i++) 94 enaddr[i] = pccard_tuple_read_1(tuple, 7 + i); 95 return (1); 96} 97 98static void 99ex_pccard_get_silicom_mac(device_t dev, u_char *ether_addr) 100{ 101 pccard_cis_scan(dev, ex_pccard_silicom_cb, ether_addr); 102} 103 104static int 105ex_pccard_probe(device_t dev) 106{ 107 const struct pccard_product *pp; 108 int error, i, j; 109 uint32_t fcn = PCCARD_FUNCTION_UNSPEC; 110 111 if ((pp = pccard_product_lookup(dev, ex_pccard_products, 112 sizeof(ex_pccard_products[0]), NULL)) == NULL) 113 return (EIO); 114 if (pp->pp_name != NULL) 115 device_set_desc(dev, pp->pp_name); 116 /* 117 * Olicom 22.8k and 33.6k modems need to activate the right 118 * CFE. The odd formula below replicates the sequence of cfes 119 * that have multiple resources: 120 * 9, 11, 13, 15, 0 + 9 121 * 25, 27, 29, 31, 16 + 9 122 * 41, 43, 45, 47, 32 + 9 123 * 57, 59, 61, 63 48 + 9 124 * (entries 8, 24, 40 and 56 are single resoruce cfes) 125 * Fortunately the code that enables and disables the multiple 126 * fuctions of the card won't mess with the lower bit for cards 127 * that aren't stanards conforming MFC cards (which these olicom 128 * cards aren't). 129 * 130 * Note: These cards still don't get interrupts for reasons 131 * unknown, even when the right cfe is selected. There's likely 132 * something in the CCR that needs to be manually tweaked, but 133 * the COR bits seem to all be used. Bit 0 and 3 are always set 134 * and the other bits select the config to use. Maybe one of those 135 * two bits needs to be cleared, or there's something else in the 136 * CCR that needs tweaking. The pattern of resources suggests 137 * bit 0 turns on the ethernet, however... 138 */ 139 if (pp->pp_vendor == PCMCIA_VENDOR_OLICOM && 140 (pp->pp_product == PCMCIA_PRODUCT_OLICOM_OC2231 || 141 pp->pp_product == PCMCIA_PRODUCT_OLICOM_OC2232)) { 142 if (pccard_select_cfe(dev, 1) == 0) 143 goto good; 144 for (i = 0; i < 4; i++) { 145 for (j = 0; j < 4; j++) { 146 printf("Trying %d %d\n", i, j); 147 if (pccard_select_cfe(dev, 148 (i << 4) + (j << 1) + 9) == 0) 149 goto good; 150 } 151 } 152 /* Can't activate the net entries, punt */ 153 return (EIO); 154 } 155 /* 156 * All other cards supported by this driver don't need specail 157 * treatment, so just filter based on the type of card. The 158 * special treatment ones are setup to 'fail safe' to a modem so 159 * this check would effectively filter them out as well. 160 */ 161 error = pccard_get_function(dev, &fcn); 162 if (error != 0) 163 return (error); 164 if (fcn != PCCARD_FUNCTION_NETWORK) 165 return (EIO); 166good:; 167 return (0); 168} 169 170static int 171ex_pccard_attach(device_t dev) 172{ 173 struct ex_softc * sc = device_get_softc(dev); 174 int error = 0; 175 u_char ether_addr[ETHER_ADDR_LEN]; 176 177 sc->dev = dev; 178 sc->ioport_rid = 0; 179 sc->irq_rid = 0; 180 181 if ((error = ex_alloc_resources(dev)) != 0) { 182 device_printf(dev, "ex_alloc_resources() failed!\n"); 183 goto bad; 184 } 185 186 /* 187 * Fill in several fields of the softc structure: 188 * - Hardware Ethernet address. 189 * - IRQ number. 190 */ 191 sc->irq_no = rman_get_start(sc->irq); 192 193 /* Try to get the ethernet address from the chip, then the CIS */ 194 ex_get_address(sc, ether_addr); 195 if (!ex_pccard_enet_ok(ether_addr)) 196 pccard_get_ether(dev, ether_addr); 197 if (!ex_pccard_enet_ok(ether_addr)) 198 ex_pccard_get_silicom_mac(dev, ether_addr); 199 if (!ex_pccard_enet_ok(ether_addr)) { 200 device_printf(dev, "No NIC address found.\n"); 201 error = ENXIO; 202 goto bad; 203 } 204 bcopy(ether_addr, sc->enaddr, ETHER_ADDR_LEN); 205 206 if ((error = ex_attach(dev)) != 0) { 207 device_printf(dev, "ex_attach() failed!\n"); 208 goto bad; 209 } 210 211 return(0); 212bad: 213 ex_release_resources(dev); 214 return (error); 215} 216static device_method_t ex_pccard_methods[] = { 217 /* Device interface */ 218 DEVMETHOD(device_probe, ex_pccard_probe), 219 DEVMETHOD(device_attach, ex_pccard_attach), 220 DEVMETHOD(device_detach, ex_detach), 221 222 { 0, 0 } 223}; 224 225static driver_t ex_pccard_driver = { 226 "ex", 227 ex_pccard_methods, 228 sizeof(struct ex_softc), 229}; 230 231DRIVER_MODULE(ex, pccard, ex_pccard_driver, ex_devclass, 0, 0); 232MODULE_DEPEND(ex, pccard, 1, 1, 1); 233PCCARD_PNP_INFO(ex_pccard_products); 234