1 /* 2 * macsonic.c 3 * 4 * (C) 2005 Finn Thain 5 * 6 * Converted to DMA API, converted to unified driver model, made it work as 7 * a module again, and from the mac68k project, introduced more 32-bit cards 8 * and dhd's support for 16-bit cards. 9 * 10 * (C) 1998 Alan Cox 11 * 12 * Debugging Andreas Ehliar, Michael Schmitz 13 * 14 * Based on code 15 * (C) 1996 by Thomas Bogendoerfer (tsbogend@bigbug.franken.de) 16 * 17 * This driver is based on work from Andreas Busse, but most of 18 * the code is rewritten. 19 * 20 * (C) 1995 by Andreas Busse (andy@waldorf-gmbh.de) 21 * 22 * A driver for the Mac onboard Sonic ethernet chip. 23 * 24 * 98/12/21 MSch: judged from tests on Q800, it's basically working, 25 * but eating up both receive and transmit resources 26 * and duplicating packets. Needs more testing. 27 * 28 * 99/01/03 MSch: upgraded to version 0.92 of the core driver, fixed. 29 * 30 * 00/10/31 sammy@oh.verio.com: Updated driver for 2.4 kernels, fixed problems 31 * on centris. 32 */ 33 34 #include <linux/kernel.h> 35 #include <linux/module.h> 36 #include <linux/types.h> 37 #include <linux/fcntl.h> 38 #include <linux/gfp.h> 39 #include <linux/interrupt.h> 40 #include <linux/ioport.h> 41 #include <linux/in.h> 42 #include <linux/string.h> 43 #include <linux/delay.h> 44 #include <linux/nubus.h> 45 #include <linux/errno.h> 46 #include <linux/netdevice.h> 47 #include <linux/etherdevice.h> 48 #include <linux/skbuff.h> 49 #include <linux/platform_device.h> 50 #include <linux/dma-mapping.h> 51 #include <linux/bitrev.h> 52 #include <linux/slab.h> 53 54 #include <asm/pgtable.h> 55 #include <asm/io.h> 56 #include <asm/hwtest.h> 57 #include <asm/dma.h> 58 #include <asm/macintosh.h> 59 #include <asm/macints.h> 60 #include <asm/mac_via.h> 61 62 static char mac_sonic_string[] = "macsonic"; 63 64 #include "sonic.h" 65 66 /* These should basically be bus-size and endian independent (since 67 the SONIC is at least smart enough that it uses the same endianness 68 as the host, unlike certain less enlightened Macintosh NICs) */ 69 #define SONIC_READ(reg) (nubus_readw(dev->base_addr + (reg * 4) \ 70 + lp->reg_offset)) 71 #define SONIC_WRITE(reg,val) (nubus_writew(val, dev->base_addr + (reg * 4) \ 72 + lp->reg_offset)) 73 74 /* use 0 for production, 1 for verification, >1 for debug */ 75 #ifdef SONIC_DEBUG 76 static unsigned int sonic_debug = SONIC_DEBUG; 77 #else 78 static unsigned int sonic_debug = 1; 79 #endif 80 81 static int sonic_version_printed; 82 83 /* For onboard SONIC */ 84 #define ONBOARD_SONIC_REGISTERS 0x50F0A000 85 #define ONBOARD_SONIC_PROM_BASE 0x50f08000 86 87 enum macsonic_type { 88 MACSONIC_DUODOCK, 89 MACSONIC_APPLE, 90 MACSONIC_APPLE16, 91 MACSONIC_DAYNA, 92 MACSONIC_DAYNALINK 93 }; 94 95 /* For the built-in SONIC in the Duo Dock */ 96 #define DUODOCK_SONIC_REGISTERS 0xe10000 97 #define DUODOCK_SONIC_PROM_BASE 0xe12000 98 99 /* For Apple-style NuBus SONIC */ 100 #define APPLE_SONIC_REGISTERS 0 101 #define APPLE_SONIC_PROM_BASE 0x40000 102 103 /* Daynalink LC SONIC */ 104 #define DAYNALINK_PROM_BASE 0x400000 105 106 /* For Dayna-style NuBus SONIC (haven't seen one yet) */ 107 #define DAYNA_SONIC_REGISTERS 0x180000 108 /* This is what OpenBSD says. However, this is definitely in NuBus 109 ROM space so we should be able to get it by walking the NuBus 110 resource directories */ 111 #define DAYNA_SONIC_MAC_ADDR 0xffe004 112 113 #define SONIC_READ_PROM(addr) nubus_readb(prom_addr+addr) 114 115 /* 116 * For reversing the PROM address 117 */ 118 119 static inline void bit_reverse_addr(unsigned char addr[6]) 120 { 121 int i; 122 123 for(i = 0; i < 6; i++) 124 addr[i] = bitrev8(addr[i]); 125 } 126 127 static irqreturn_t macsonic_interrupt(int irq, void *dev_id) 128 { 129 irqreturn_t result; 130 unsigned long flags; 131 132 local_irq_save(flags); 133 result = sonic_interrupt(irq, dev_id); 134 local_irq_restore(flags); 135 return result; 136 } 137 138 static int macsonic_open(struct net_device* dev) 139 { 140 int retval; 141 142 retval = request_irq(dev->irq, sonic_interrupt, 0, "sonic", dev); 143 if (retval) { 144 printk(KERN_ERR "%s: unable to get IRQ %d.\n", 145 dev->name, dev->irq); 146 goto err; 147 } 148 /* Under the A/UX interrupt scheme, the onboard SONIC interrupt comes 149 * in at priority level 3. However, we sometimes get the level 2 inter- 150 * rupt as well, which must prevent re-entrance of the sonic handler. 151 */ 152 if (dev->irq == IRQ_AUTO_3) { 153 retval = request_irq(IRQ_NUBUS_9, macsonic_interrupt, 0, 154 "sonic", dev); 155 if (retval) { 156 printk(KERN_ERR "%s: unable to get IRQ %d.\n", 157 dev->name, IRQ_NUBUS_9); 158 goto err_irq; 159 } 160 } 161 retval = sonic_open(dev); 162 if (retval) 163 goto err_irq_nubus; 164 return 0; 165 166 err_irq_nubus: 167 if (dev->irq == IRQ_AUTO_3) 168 free_irq(IRQ_NUBUS_9, dev); 169 err_irq: 170 free_irq(dev->irq, dev); 171 err: 172 return retval; 173 } 174 175 static int macsonic_close(struct net_device* dev) 176 { 177 int err; 178 err = sonic_close(dev); 179 free_irq(dev->irq, dev); 180 if (dev->irq == IRQ_AUTO_3) 181 free_irq(IRQ_NUBUS_9, dev); 182 return err; 183 } 184 185 static const struct net_device_ops macsonic_netdev_ops = { 186 .ndo_open = macsonic_open, 187 .ndo_stop = macsonic_close, 188 .ndo_start_xmit = sonic_send_packet, 189 .ndo_set_rx_mode = sonic_multicast_list, 190 .ndo_tx_timeout = sonic_tx_timeout, 191 .ndo_get_stats = sonic_get_stats, 192 .ndo_validate_addr = eth_validate_addr, 193 .ndo_change_mtu = eth_change_mtu, 194 .ndo_set_mac_address = eth_mac_addr, 195 }; 196 197 static int macsonic_init(struct net_device *dev) 198 { 199 struct sonic_local* lp = netdev_priv(dev); 200 201 /* Allocate the entire chunk of memory for the descriptors. 202 Note that this cannot cross a 64K boundary. */ 203 lp->descriptors = dma_alloc_coherent(lp->device, 204 SIZEOF_SONIC_DESC * 205 SONIC_BUS_SCALE(lp->dma_bitmode), 206 &lp->descriptors_laddr, 207 GFP_KERNEL); 208 if (lp->descriptors == NULL) 209 return -ENOMEM; 210 211 /* Now set up the pointers to point to the appropriate places */ 212 lp->cda = lp->descriptors; 213 lp->tda = lp->cda + (SIZEOF_SONIC_CDA 214 * SONIC_BUS_SCALE(lp->dma_bitmode)); 215 lp->rda = lp->tda + (SIZEOF_SONIC_TD * SONIC_NUM_TDS 216 * SONIC_BUS_SCALE(lp->dma_bitmode)); 217 lp->rra = lp->rda + (SIZEOF_SONIC_RD * SONIC_NUM_RDS 218 * SONIC_BUS_SCALE(lp->dma_bitmode)); 219 220 lp->cda_laddr = lp->descriptors_laddr; 221 lp->tda_laddr = lp->cda_laddr + (SIZEOF_SONIC_CDA 222 * SONIC_BUS_SCALE(lp->dma_bitmode)); 223 lp->rda_laddr = lp->tda_laddr + (SIZEOF_SONIC_TD * SONIC_NUM_TDS 224 * SONIC_BUS_SCALE(lp->dma_bitmode)); 225 lp->rra_laddr = lp->rda_laddr + (SIZEOF_SONIC_RD * SONIC_NUM_RDS 226 * SONIC_BUS_SCALE(lp->dma_bitmode)); 227 228 dev->netdev_ops = &macsonic_netdev_ops; 229 dev->watchdog_timeo = TX_TIMEOUT; 230 231 /* 232 * clear tally counter 233 */ 234 SONIC_WRITE(SONIC_CRCT, 0xffff); 235 SONIC_WRITE(SONIC_FAET, 0xffff); 236 SONIC_WRITE(SONIC_MPT, 0xffff); 237 238 return 0; 239 } 240 241 #define INVALID_MAC(mac) (memcmp(mac, "\x08\x00\x07", 3) && \ 242 memcmp(mac, "\x00\xA0\x40", 3) && \ 243 memcmp(mac, "\x00\x80\x19", 3) && \ 244 memcmp(mac, "\x00\x05\x02", 3)) 245 246 static void mac_onboard_sonic_ethernet_addr(struct net_device *dev) 247 { 248 struct sonic_local *lp = netdev_priv(dev); 249 const int prom_addr = ONBOARD_SONIC_PROM_BASE; 250 unsigned short val; 251 252 /* 253 * On NuBus boards we can sometimes look in the ROM resources. 254 * No such luck for comm-slot/onboard. 255 * On the PowerBook 520, the PROM base address is a mystery. 256 */ 257 if (hwreg_present((void *)prom_addr)) { 258 int i; 259 260 for (i = 0; i < 6; i++) 261 dev->dev_addr[i] = SONIC_READ_PROM(i); 262 if (!INVALID_MAC(dev->dev_addr)) 263 return; 264 265 /* 266 * Most of the time, the address is bit-reversed. The NetBSD 267 * source has a rather long and detailed historical account of 268 * why this is so. 269 */ 270 bit_reverse_addr(dev->dev_addr); 271 if (!INVALID_MAC(dev->dev_addr)) 272 return; 273 274 /* 275 * If we still have what seems to be a bogus address, we'll 276 * look in the CAM. The top entry should be ours. 277 */ 278 printk(KERN_WARNING "macsonic: MAC address in PROM seems " 279 "to be invalid, trying CAM\n"); 280 } else { 281 printk(KERN_WARNING "macsonic: cannot read MAC address from " 282 "PROM, trying CAM\n"); 283 } 284 285 /* This only works if MacOS has already initialized the card. */ 286 287 SONIC_WRITE(SONIC_CMD, SONIC_CR_RST); 288 SONIC_WRITE(SONIC_CEP, 15); 289 290 val = SONIC_READ(SONIC_CAP2); 291 dev->dev_addr[5] = val >> 8; 292 dev->dev_addr[4] = val & 0xff; 293 val = SONIC_READ(SONIC_CAP1); 294 dev->dev_addr[3] = val >> 8; 295 dev->dev_addr[2] = val & 0xff; 296 val = SONIC_READ(SONIC_CAP0); 297 dev->dev_addr[1] = val >> 8; 298 dev->dev_addr[0] = val & 0xff; 299 300 if (!INVALID_MAC(dev->dev_addr)) 301 return; 302 303 /* Still nonsense ... messed up someplace! */ 304 305 printk(KERN_WARNING "macsonic: MAC address in CAM entry 15 " 306 "seems invalid, will use a random MAC\n"); 307 eth_hw_addr_random(dev); 308 } 309 310 static int mac_onboard_sonic_probe(struct net_device *dev) 311 { 312 struct sonic_local* lp = netdev_priv(dev); 313 int sr; 314 int commslot = 0; 315 316 if (!MACH_IS_MAC) 317 return -ENODEV; 318 319 printk(KERN_INFO "Checking for internal Macintosh ethernet (SONIC).. "); 320 321 /* Bogus probing, on the models which may or may not have 322 Ethernet (BTW, the Ethernet *is* always at the same 323 address, and nothing else lives there, at least if Apple's 324 documentation is to be believed) */ 325 if (macintosh_config->ident == MAC_MODEL_Q630 || 326 macintosh_config->ident == MAC_MODEL_P588 || 327 macintosh_config->ident == MAC_MODEL_P575 || 328 macintosh_config->ident == MAC_MODEL_C610) { 329 unsigned long flags; 330 int card_present; 331 332 local_irq_save(flags); 333 card_present = hwreg_present((void*)ONBOARD_SONIC_REGISTERS); 334 local_irq_restore(flags); 335 336 if (!card_present) { 337 printk("none.\n"); 338 return -ENODEV; 339 } 340 commslot = 1; 341 } 342 343 printk("yes\n"); 344 345 /* Danger! My arms are flailing wildly! You *must* set lp->reg_offset 346 * and dev->base_addr before using SONIC_READ() or SONIC_WRITE() */ 347 dev->base_addr = ONBOARD_SONIC_REGISTERS; 348 if (via_alt_mapping) 349 dev->irq = IRQ_AUTO_3; 350 else 351 dev->irq = IRQ_NUBUS_9; 352 353 if (!sonic_version_printed) { 354 printk(KERN_INFO "%s", version); 355 sonic_version_printed = 1; 356 } 357 printk(KERN_INFO "%s: onboard / comm-slot SONIC at 0x%08lx\n", 358 dev_name(lp->device), dev->base_addr); 359 360 /* The PowerBook's SONIC is 16 bit always. */ 361 if (macintosh_config->ident == MAC_MODEL_PB520) { 362 lp->reg_offset = 0; 363 lp->dma_bitmode = SONIC_BITMODE16; 364 sr = SONIC_READ(SONIC_SR); 365 } else if (commslot) { 366 /* Some of the comm-slot cards are 16 bit. But some 367 of them are not. The 32-bit cards use offset 2 and 368 have known revisions, we try reading the revision 369 register at offset 2, if we don't get a known revision 370 we assume 16 bit at offset 0. */ 371 lp->reg_offset = 2; 372 lp->dma_bitmode = SONIC_BITMODE16; 373 374 sr = SONIC_READ(SONIC_SR); 375 if (sr == 0x0004 || sr == 0x0006 || sr == 0x0100 || sr == 0x0101) 376 /* 83932 is 0x0004 or 0x0006, 83934 is 0x0100 or 0x0101 */ 377 lp->dma_bitmode = SONIC_BITMODE32; 378 else { 379 lp->dma_bitmode = SONIC_BITMODE16; 380 lp->reg_offset = 0; 381 sr = SONIC_READ(SONIC_SR); 382 } 383 } else { 384 /* All onboard cards are at offset 2 with 32 bit DMA. */ 385 lp->reg_offset = 2; 386 lp->dma_bitmode = SONIC_BITMODE32; 387 sr = SONIC_READ(SONIC_SR); 388 } 389 printk(KERN_INFO 390 "%s: revision 0x%04x, using %d bit DMA and register offset %d\n", 391 dev_name(lp->device), sr, lp->dma_bitmode?32:16, lp->reg_offset); 392 393 #if 0 /* This is sometimes useful to find out how MacOS configured the card. */ 394 printk(KERN_INFO "%s: DCR: 0x%04x, DCR2: 0x%04x\n", dev_name(lp->device), 395 SONIC_READ(SONIC_DCR) & 0xffff, SONIC_READ(SONIC_DCR2) & 0xffff); 396 #endif 397 398 /* Software reset, then initialize control registers. */ 399 SONIC_WRITE(SONIC_CMD, SONIC_CR_RST); 400 401 SONIC_WRITE(SONIC_DCR, SONIC_DCR_EXBUS | SONIC_DCR_BMS | 402 SONIC_DCR_RFT1 | SONIC_DCR_TFT0 | 403 (lp->dma_bitmode ? SONIC_DCR_DW : 0)); 404 405 /* This *must* be written back to in order to restore the 406 * extended programmable output bits, as it may not have been 407 * initialised since the hardware reset. */ 408 SONIC_WRITE(SONIC_DCR2, 0); 409 410 /* Clear *and* disable interrupts to be on the safe side */ 411 SONIC_WRITE(SONIC_IMR, 0); 412 SONIC_WRITE(SONIC_ISR, 0x7fff); 413 414 /* Now look for the MAC address. */ 415 mac_onboard_sonic_ethernet_addr(dev); 416 417 /* Shared init code */ 418 return macsonic_init(dev); 419 } 420 421 static int mac_nubus_sonic_ethernet_addr(struct net_device *dev, 422 unsigned long prom_addr, int id) 423 { 424 int i; 425 for(i = 0; i < 6; i++) 426 dev->dev_addr[i] = SONIC_READ_PROM(i); 427 428 /* Some of the addresses are bit-reversed */ 429 if (id != MACSONIC_DAYNA) 430 bit_reverse_addr(dev->dev_addr); 431 432 return 0; 433 } 434 435 static int macsonic_ident(struct nubus_dev *ndev) 436 { 437 if (ndev->dr_hw == NUBUS_DRHW_ASANTE_LC && 438 ndev->dr_sw == NUBUS_DRSW_SONIC_LC) 439 return MACSONIC_DAYNALINK; 440 if (ndev->dr_hw == NUBUS_DRHW_SONIC && 441 ndev->dr_sw == NUBUS_DRSW_APPLE) { 442 /* There has to be a better way to do this... */ 443 if (strstr(ndev->board->name, "DuoDock")) 444 return MACSONIC_DUODOCK; 445 else 446 return MACSONIC_APPLE; 447 } 448 449 if (ndev->dr_hw == NUBUS_DRHW_SMC9194 && 450 ndev->dr_sw == NUBUS_DRSW_DAYNA) 451 return MACSONIC_DAYNA; 452 453 if (ndev->dr_hw == NUBUS_DRHW_APPLE_SONIC_LC && 454 ndev->dr_sw == 0) { /* huh? */ 455 return MACSONIC_APPLE16; 456 } 457 return -1; 458 } 459 460 static int mac_nubus_sonic_probe(struct net_device *dev) 461 { 462 static int slots; 463 struct nubus_dev* ndev = NULL; 464 struct sonic_local* lp = netdev_priv(dev); 465 unsigned long base_addr, prom_addr; 466 u16 sonic_dcr; 467 int id = -1; 468 int reg_offset, dma_bitmode; 469 470 /* Find the first SONIC that hasn't been initialized already */ 471 while ((ndev = nubus_find_type(NUBUS_CAT_NETWORK, 472 NUBUS_TYPE_ETHERNET, ndev)) != NULL) 473 { 474 /* Have we seen it already? */ 475 if (slots & (1<<ndev->board->slot)) 476 continue; 477 slots |= 1<<ndev->board->slot; 478 479 /* Is it one of ours? */ 480 if ((id = macsonic_ident(ndev)) != -1) 481 break; 482 } 483 484 if (ndev == NULL) 485 return -ENODEV; 486 487 switch (id) { 488 case MACSONIC_DUODOCK: 489 base_addr = ndev->board->slot_addr + DUODOCK_SONIC_REGISTERS; 490 prom_addr = ndev->board->slot_addr + DUODOCK_SONIC_PROM_BASE; 491 sonic_dcr = SONIC_DCR_EXBUS | SONIC_DCR_RFT0 | SONIC_DCR_RFT1 | 492 SONIC_DCR_TFT0; 493 reg_offset = 2; 494 dma_bitmode = SONIC_BITMODE32; 495 break; 496 case MACSONIC_APPLE: 497 base_addr = ndev->board->slot_addr + APPLE_SONIC_REGISTERS; 498 prom_addr = ndev->board->slot_addr + APPLE_SONIC_PROM_BASE; 499 sonic_dcr = SONIC_DCR_BMS | SONIC_DCR_RFT1 | SONIC_DCR_TFT0; 500 reg_offset = 0; 501 dma_bitmode = SONIC_BITMODE32; 502 break; 503 case MACSONIC_APPLE16: 504 base_addr = ndev->board->slot_addr + APPLE_SONIC_REGISTERS; 505 prom_addr = ndev->board->slot_addr + APPLE_SONIC_PROM_BASE; 506 sonic_dcr = SONIC_DCR_EXBUS | SONIC_DCR_RFT1 | SONIC_DCR_TFT0 | 507 SONIC_DCR_PO1 | SONIC_DCR_BMS; 508 reg_offset = 0; 509 dma_bitmode = SONIC_BITMODE16; 510 break; 511 case MACSONIC_DAYNALINK: 512 base_addr = ndev->board->slot_addr + APPLE_SONIC_REGISTERS; 513 prom_addr = ndev->board->slot_addr + DAYNALINK_PROM_BASE; 514 sonic_dcr = SONIC_DCR_RFT1 | SONIC_DCR_TFT0 | 515 SONIC_DCR_PO1 | SONIC_DCR_BMS; 516 reg_offset = 0; 517 dma_bitmode = SONIC_BITMODE16; 518 break; 519 case MACSONIC_DAYNA: 520 base_addr = ndev->board->slot_addr + DAYNA_SONIC_REGISTERS; 521 prom_addr = ndev->board->slot_addr + DAYNA_SONIC_MAC_ADDR; 522 sonic_dcr = SONIC_DCR_BMS | 523 SONIC_DCR_RFT1 | SONIC_DCR_TFT0 | SONIC_DCR_PO1; 524 reg_offset = 0; 525 dma_bitmode = SONIC_BITMODE16; 526 break; 527 default: 528 printk(KERN_ERR "macsonic: WTF, id is %d\n", id); 529 return -ENODEV; 530 } 531 532 /* Danger! My arms are flailing wildly! You *must* set lp->reg_offset 533 * and dev->base_addr before using SONIC_READ() or SONIC_WRITE() */ 534 dev->base_addr = base_addr; 535 lp->reg_offset = reg_offset; 536 lp->dma_bitmode = dma_bitmode; 537 dev->irq = SLOT2IRQ(ndev->board->slot); 538 539 if (!sonic_version_printed) { 540 printk(KERN_INFO "%s", version); 541 sonic_version_printed = 1; 542 } 543 printk(KERN_INFO "%s: %s in slot %X\n", 544 dev_name(lp->device), ndev->board->name, ndev->board->slot); 545 printk(KERN_INFO "%s: revision 0x%04x, using %d bit DMA and register offset %d\n", 546 dev_name(lp->device), SONIC_READ(SONIC_SR), dma_bitmode?32:16, reg_offset); 547 548 #if 0 /* This is sometimes useful to find out how MacOS configured the card. */ 549 printk(KERN_INFO "%s: DCR: 0x%04x, DCR2: 0x%04x\n", dev_name(lp->device), 550 SONIC_READ(SONIC_DCR) & 0xffff, SONIC_READ(SONIC_DCR2) & 0xffff); 551 #endif 552 553 /* Software reset, then initialize control registers. */ 554 SONIC_WRITE(SONIC_CMD, SONIC_CR_RST); 555 SONIC_WRITE(SONIC_DCR, sonic_dcr | (dma_bitmode ? SONIC_DCR_DW : 0)); 556 /* This *must* be written back to in order to restore the 557 * extended programmable output bits, since it may not have been 558 * initialised since the hardware reset. */ 559 SONIC_WRITE(SONIC_DCR2, 0); 560 561 /* Clear *and* disable interrupts to be on the safe side */ 562 SONIC_WRITE(SONIC_IMR, 0); 563 SONIC_WRITE(SONIC_ISR, 0x7fff); 564 565 /* Now look for the MAC address. */ 566 if (mac_nubus_sonic_ethernet_addr(dev, prom_addr, id) != 0) 567 return -ENODEV; 568 569 /* Shared init code */ 570 return macsonic_init(dev); 571 } 572 573 static int mac_sonic_probe(struct platform_device *pdev) 574 { 575 struct net_device *dev; 576 struct sonic_local *lp; 577 int err; 578 579 dev = alloc_etherdev(sizeof(struct sonic_local)); 580 if (!dev) 581 return -ENOMEM; 582 583 lp = netdev_priv(dev); 584 lp->device = &pdev->dev; 585 SET_NETDEV_DEV(dev, &pdev->dev); 586 platform_set_drvdata(pdev, dev); 587 588 /* This will catch fatal stuff like -ENOMEM as well as success */ 589 err = mac_onboard_sonic_probe(dev); 590 if (err == 0) 591 goto found; 592 if (err != -ENODEV) 593 goto out; 594 err = mac_nubus_sonic_probe(dev); 595 if (err) 596 goto out; 597 found: 598 err = register_netdev(dev); 599 if (err) 600 goto out; 601 602 printk("%s: MAC %pM IRQ %d\n", dev->name, dev->dev_addr, dev->irq); 603 604 return 0; 605 606 out: 607 free_netdev(dev); 608 609 return err; 610 } 611 612 MODULE_DESCRIPTION("Macintosh SONIC ethernet driver"); 613 module_param(sonic_debug, int, 0); 614 MODULE_PARM_DESC(sonic_debug, "macsonic debug level (1-4)"); 615 MODULE_ALIAS("platform:macsonic"); 616 617 #include "sonic.c" 618 619 static int mac_sonic_device_remove(struct platform_device *pdev) 620 { 621 struct net_device *dev = platform_get_drvdata(pdev); 622 struct sonic_local* lp = netdev_priv(dev); 623 624 unregister_netdev(dev); 625 dma_free_coherent(lp->device, SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode), 626 lp->descriptors, lp->descriptors_laddr); 627 free_netdev(dev); 628 629 return 0; 630 } 631 632 static struct platform_driver mac_sonic_driver = { 633 .probe = mac_sonic_probe, 634 .remove = mac_sonic_device_remove, 635 .driver = { 636 .name = mac_sonic_string, 637 .owner = THIS_MODULE, 638 }, 639 }; 640 641 module_platform_driver(mac_sonic_driver); 642