Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/netif/xe/if_xe_pccard.c
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1 /* 2 * Copyright (c) 2002 Takeshi Shibagaki 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, 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 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * xe pccard interface driver 27 * 28 * $FreeBSD: src/sys/dev/xe/if_xe_pccard.c,v 1.11 2003/10/14 22:51:35 rsm Exp $ 29 */ 30 31 #include <sys/param.h> 32 #include <sys/systm.h> 33 #include <sys/kernel.h> 34 #include <sys/socket.h> 35 #include <sys/module.h> 36 #include <sys/bus.h> 37 #include <sys/rman.h> 38 39 #include <net/ethernet.h> 40 #include <net/if.h> 41 #include <net/if_arp.h> 42 #include <net/if_media.h> 43 #include <net/if_mib.h> 44 45 #include <bus/pccard/pccardvar.h> 46 47 #include "card_if.h" 48 #include "pccarddevs.h" 49 50 #include "if_xereg.h" 51 #include "if_xevar.h" 52 53 #define XE_DEBUG 54 55 #ifdef XE_DEBUG 56 #define DEVPRINTF(level, arg) if (xe_debug >= (level)) device_printf arg 57 #else 58 #define DEVPRINTF(level, arg) 59 #endif 60 61 static const struct pccard_product xe_pccard_products[] = { 62 PCMCIA_CARD(COMPAQ, CPQ550, 0), 63 PCMCIA_CARD(COMPAQ2, CPQ_10_100, 0), 64 PCMCIA_CARD(INTEL, EEPRO100, 0), 65 PCMCIA_CARD(RACORE, ACCTON_EN2226, 0), 66 PCMCIA_CARD(XIRCOM, CE, 0), 67 PCMCIA_CARD(XIRCOM, CE2, 0), 68 PCMCIA_CARD(XIRCOM, CE3, 0), 69 PCMCIA_CARD(XIRCOM, CEM, 0), 70 PCMCIA_CARD(XIRCOM, CEM28, 0), 71 PCMCIA_CARD(XIRCOM, CEM33, 0), 72 PCMCIA_CARD(XIRCOM, CEM56, 0), 73 PCMCIA_CARD(XIRCOM, REM56, 0), 74 PCMCIA_CARD(XIRCOM, CNW_801, 0), 75 PCMCIA_CARD(XIRCOM, CNW_802, 0), 76 { NULL } 77 }; 78 79 struct xe_vendor { 80 uint32_t vendor_id; 81 const char *vendor_desc; 82 } xe_vendors[] = { 83 { PCMCIA_VENDOR_XIRCOM, "Xircom" }, 84 { PCMCIA_VENDOR_COMPAQ, "Compaq" }, 85 { PCMCIA_VENDOR_COMPAQ2, "Compaq" }, 86 { PCMCIA_VENDOR_INTEL, "Intel" }, 87 { 0, "Unknown" } 88 }; 89 90 #define XE_CARD_TYPE_FLAGS_NO 0x0 91 #define XE_CARD_TYPE_FLAGS_CE2 0x1 92 #define XE_CARD_TYPE_FLAGS_MOHAWK 0x2 93 #define XE_CARD_TYPE_FLAGS_DINGO 0x4 94 95 #define XE_PROD_UMASK 0x11000f 96 #define XE_PROD_ETHER_UMASK 0x010000 97 #define XE_PROD_MODEM_UMASK 0x100000 98 #define XE_PROD_SINGLE_ID1 0x010001 99 #define XE_PROD_SINGLE_ID2 0x010002 100 #define XE_PROD_SINGLE_ID3 0x010003 101 #define XE_PROD_MULTI_ID1 0x110001 102 #define XE_PROD_MULTI_ID2 0x110002 103 #define XE_PROD_MULTI_ID3 0x110003 104 #define XE_PROD_MULTI_ID4 0x110004 105 #define XE_PROD_MULTI_ID5 0x110005 106 #define XE_PROD_MULTI_ID6 0x110006 107 #define XE_PROD_MULTI_ID7 0x110007 108 109 struct xe_card_type { 110 uint32_t prod_type; 111 const char *card_type_desc; 112 uint32_t flags; 113 } xe_card_types[] = { 114 { XE_PROD_MULTI_ID1, "CEM", XE_CARD_TYPE_FLAGS_NO }, 115 { XE_PROD_MULTI_ID2, "CEM2", XE_CARD_TYPE_FLAGS_CE2 }, 116 { XE_PROD_MULTI_ID3, "CEM3", XE_CARD_TYPE_FLAGS_CE2 }, 117 { XE_PROD_MULTI_ID4, "CEM33", XE_CARD_TYPE_FLAGS_CE2 }, 118 { XE_PROD_MULTI_ID5, "CEM56M", XE_CARD_TYPE_FLAGS_MOHAWK }, 119 { XE_PROD_MULTI_ID6, "CEM56", XE_CARD_TYPE_FLAGS_MOHAWK | 120 XE_CARD_TYPE_FLAGS_DINGO }, 121 { XE_PROD_MULTI_ID7, "CEM56", XE_CARD_TYPE_FLAGS_MOHAWK | 122 XE_CARD_TYPE_FLAGS_DINGO }, 123 { XE_PROD_SINGLE_ID1, "CE", XE_CARD_TYPE_FLAGS_NO }, 124 { XE_PROD_SINGLE_ID2, "CE2", XE_CARD_TYPE_FLAGS_CE2 }, 125 { XE_PROD_SINGLE_ID3, "CE3", XE_CARD_TYPE_FLAGS_MOHAWK }, 126 { 0, NULL, -1 } 127 }; 128 129 static struct xe_vendor *xe_vendor_lookup (uint32_t); 130 static struct xe_card_type *xe_card_type_lookup (uint32_t); 131 132 static int xe_cemfix (device_t); 133 static int xe_pccard_probe (device_t); 134 static int xe_pccard_match (device_t); 135 static int xe_pccard_attach(device_t); 136 137 static device_method_t xe_pccard_methods[] = { 138 /* Device interface */ 139 DEVMETHOD(device_probe, pccard_compat_probe), 140 DEVMETHOD(device_attach, pccard_compat_attach), 141 DEVMETHOD(device_detach, xe_detach), 142 143 /* Card interface */ 144 DEVMETHOD(card_compat_match, xe_pccard_match), 145 DEVMETHOD(card_compat_probe, xe_pccard_probe), 146 DEVMETHOD(card_compat_attach, xe_pccard_attach), 147 148 DEVMETHOD_END 149 }; 150 151 static driver_t xe_pccard_driver = { 152 "xe", 153 xe_pccard_methods, 154 sizeof(struct xe_softc), 155 }; 156 157 devclass_t xe_devclass; 158 DRIVER_MODULE(xe, pccard, xe_pccard_driver, xe_devclass, NULL, NULL); 159 160 /* 161 * Fixing for CEM2, CEM3 and CEM56/REM56 cards. These need some magic to 162 * enable the Ethernet function, which isn't mentioned anywhere in the CIS. 163 * Despite the register names, most of this isn't Dingo-specific. 164 */ 165 static int 166 xe_cemfix(device_t dev) 167 { 168 struct xe_softc *sc = device_get_softc(dev); 169 bus_space_tag_t bst; 170 bus_space_handle_t bsh; 171 struct resource *r; 172 int rid; 173 int ioport; 174 175 device_printf(dev, "CEM I/O port 0x%0lx, size 0x%0lx\n", 176 bus_get_resource_start(dev, SYS_RES_IOPORT, sc->port_rid), 177 bus_get_resource_count(dev, SYS_RES_IOPORT, sc->port_rid)); 178 179 rid = 0; 180 r = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid, 0, 181 ~0, 4 << 10, RF_ACTIVE); 182 if (r == NULL) { 183 device_printf(dev, "Can't map in attribute memory\n"); 184 return -1; 185 } 186 187 bsh = rman_get_bushandle(r); 188 bst = rman_get_bustag(r); 189 190 CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY, rid, 191 PCCARD_A_MEM_ATTR); 192 193 bus_space_write_1(bst, bsh, DINGO_ECOR, DINGO_ECOR_IRQ_LEVEL | 194 DINGO_ECOR_INT_ENABLE | 195 DINGO_ECOR_IOB_ENABLE | 196 DINGO_ECOR_ETH_ENABLE); 197 ioport = bus_get_resource_start(dev, SYS_RES_IOPORT, sc->port_rid); 198 bus_space_write_1(bst, bsh, DINGO_EBAR0, ioport & 0xff); 199 bus_space_write_1(bst, bsh, DINGO_EBAR1, (ioport >> 8) & 0xff); 200 201 if (sc->dingo) { 202 bus_space_write_1(bst, bsh, DINGO_DCOR0, DINGO_DCOR0_SF_INT); 203 bus_space_write_1(bst, bsh, DINGO_DCOR1, 204 DINGO_DCOR1_INT_LEVEL | DINGO_DCOR1_EEDIO); 205 bus_space_write_1(bst, bsh, DINGO_DCOR2, 0x00); 206 bus_space_write_1(bst, bsh, DINGO_DCOR3, 0x00); 207 bus_space_write_1(bst, bsh, DINGO_DCOR4, 0x00); 208 } 209 210 bus_release_resource(dev, SYS_RES_MEMORY, rid, r); 211 212 /* success! */ 213 return 0; 214 } 215 216 static struct xe_vendor * 217 xe_vendor_lookup(uint32_t vendor_id) 218 { 219 struct xe_vendor *v; 220 221 for (v = xe_vendors; v->vendor_id != 0; ++v) { 222 if(v->vendor_id == vendor_id) 223 break; 224 } 225 return v; 226 } 227 228 static struct xe_card_type * 229 xe_card_type_lookup(uint32_t prod) 230 { 231 struct xe_card_type *ct; 232 233 for (ct = xe_card_types; ct->card_type_desc != NULL; ++ct) { 234 if(ct->prod_type == (prod & XE_PROD_UMASK)) 235 return ct; 236 } 237 return NULL; 238 } 239 240 /* 241 * PCMCIA probe routine. 242 * Identify the device. Called from the bus driver when the card is 243 * inserted or otherwise powers up. 244 */ 245 static int 246 xe_pccard_probe(device_t dev) 247 { 248 struct xe_softc *scp = device_get_softc(dev); 249 uint32_t vendor, product, prod; 250 uint16_t prodext; 251 const uint8_t *ether_addr; 252 const char *cis3_str=NULL; 253 struct xe_vendor *vendor_itm; 254 struct xe_card_type *card_itm; 255 int i; 256 257 #ifdef XE_DEBUG 258 const char *vendor_str = NULL; 259 const char *product_str = NULL; 260 const char *cis4_str = NULL; 261 262 vendor = pccard_get_vendor(dev); 263 product = pccard_get_product(dev); 264 prodext = pccard_get_prodext(dev); 265 vendor_str = pccard_get_vendor_str(dev); 266 product_str = pccard_get_product_str(dev); 267 cis3_str = pccard_get_cis3_str(dev); 268 cis4_str = pccard_get_cis4_str(dev); 269 270 DEVPRINTF(1, (dev, "pccard_probe\n")); 271 DEVPRINTF(1, (dev, "vendor = 0x%04x\n", vendor)); 272 DEVPRINTF(1, (dev, "product = 0x%04x\n", product)); 273 DEVPRINTF(1, (dev, "prodext = 0x%02x\n", prodext)); 274 DEVPRINTF(1, (dev, "vendor_str = %s\n", 275 vendor_str == NULL ? "NULL" : vendor_str)); 276 DEVPRINTF(1, (dev, "product_str = %s\n", 277 product_str == NULL ? "NULL" : product_str)); 278 DEVPRINTF(1, (dev, "cis3_str = %s\n", 279 cis3_str == NULL ? "NULL" : cis3_str)); 280 DEVPRINTF(1, (dev, "cis4_str = %s\n", 281 cis4_str == NULL ? "NULL" : cis4_str)); 282 #endif 283 284 /* 285 * PCCARD_CISTPL_MANFID = 0x20 286 */ 287 vendor = pccard_get_vendor(dev); 288 vendor_itm = xe_vendor_lookup(vendor); 289 /* 290 * We always have some vendor here, although 291 * vendor description may be "Unknown". 292 */ 293 scp->vendor = vendor_itm->vendor_desc; 294 295 product = pccard_get_product(dev); 296 prodext = pccard_get_prodext(dev); 297 298 /* 299 * prod(new) = rev, media, prod(old) 300 * prod(new) = (don't care), (care 0x10 bit), (care 0x0f bit) 301 */ 302 prod = (product << 8) | prodext; 303 card_itm = xe_card_type_lookup(prod); 304 if (card_itm == NULL) 305 return ENODEV; 306 307 scp->card_type = card_itm->card_type_desc; 308 if (card_itm->prod_type & XE_PROD_MODEM_UMASK) 309 scp->modem = 1; 310 311 for (i = 1; i != XE_CARD_TYPE_FLAGS_DINGO; i = i << 1) { 312 switch(i & card_itm->flags) { 313 case XE_CARD_TYPE_FLAGS_CE2: 314 scp->ce2 = 1; 315 break; 316 case XE_CARD_TYPE_FLAGS_MOHAWK: 317 scp->mohawk = 1; 318 break; 319 case XE_CARD_TYPE_FLAGS_DINGO: 320 scp->dingo = 1; 321 break; 322 } 323 } 324 325 /* 326 * PCCARD_CISTPL_VERS_1 = 0x15 327 * 328 * Check for certain strange CE2's that look like CE's: 329 * match 3rd version string against "CE2" 330 */ 331 cis3_str = pccard_get_cis3_str(dev); 332 if (strcmp(scp->card_type, "CE") == 0) 333 if (cis3_str != NULL && strcmp(cis3_str, "PS-CE2-10") == 0) 334 scp->card_type = "CE2"; 335 336 /* 337 * PCCARD_CISTPL_FUNCE = 0x22 338 */ 339 ether_addr = pccard_get_ether(dev); 340 bcopy(ether_addr, scp->arpcom.ac_enaddr, ETHER_ADDR_LEN); 341 342 /* Reject unsupported cards */ 343 if (strcmp(scp->card_type, "CE") == 0 || 344 strcmp(scp->card_type, "CEM") == 0) { 345 device_printf(dev, "Sorry, your %s card is not supported :(\n", 346 scp->card_type); 347 return ENODEV; 348 } 349 350 /* Success */ 351 return 0; 352 } 353 354 static int 355 xe_pccard_attach(device_t dev) 356 { 357 struct xe_softc *scp = device_get_softc(dev); 358 int err; 359 360 if ((err = xe_activate(dev)) != 0) 361 return err; 362 363 /* Hack RealPorts into submission */ 364 if (scp->modem && xe_cemfix(dev) < 0) { 365 device_printf(dev, "Unable to fix your %s combo card\n", 366 scp->card_type); 367 xe_deactivate(dev); 368 return ENODEV; 369 } 370 return xe_attach(dev); 371 } 372 373 static int 374 xe_pccard_match(device_t dev) 375 { 376 const struct pccard_product *pp; 377 378 if ((pp = pccard_product_lookup(dev, xe_pccard_products, 379 sizeof(xe_pccard_products[0]), NULL)) != NULL) { 380 if (pp->pp_name != NULL) 381 device_set_desc(dev, pp->pp_name); 382 return 0; 383 } 384 return EIO; 385 }
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