1 /* [xirc2ps_cs.c wk 03.11.99] (1.40 1999/11/18 00:06:03) 2 * Xircom CreditCard Ethernet Adapter IIps driver 3 * Xircom Realport 10/100 (RE-100) driver 4 * 5 * This driver supports various Xircom CreditCard Ethernet adapters 6 * including the CE2, CE IIps, RE-10, CEM28, CEM33, CE33, CEM56, 7 * CE3-100, CE3B, RE-100, REM10BT, and REM56G-100. 8 * 9 * 2000-09-24 <psheer@icon.co.za> The Xircom CE3B-100 may not 10 * autodetect the media properly. In this case use the 11 * if_port=1 (for 10BaseT) or if_port=4 (for 100BaseT) options 12 * to force the media type. 13 * 14 * Written originally by Werner Koch based on David Hinds' skeleton of the 15 * PCMCIA driver. 16 * 17 * Copyright (c) 1997,1998 Werner Koch (dd9jn) 18 * 19 * This driver is free software; you can redistribute it and/or modify 20 * it under the terms of the GNU General Public License as published by 21 * the Free Software Foundation; either version 2 of the License, or 22 * (at your option) any later version. 23 * 24 * It is distributed in the hope that it will be useful, 25 * but WITHOUT ANY WARRANTY; without even the implied warranty of 26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 27 * GNU General Public License for more details. 28 * 29 * You should have received a copy of the GNU General Public License 30 * along with this program; if not, write to the Free Software 31 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA 32 * 33 * 34 * ALTERNATIVELY, this driver may be distributed under the terms of 35 * the following license, in which case the provisions of this license 36 * are required INSTEAD OF the GNU General Public License. (This clause 37 * is necessary due to a potential bad interaction between the GPL and 38 * the restrictions contained in a BSD-style copyright.) 39 * 40 * Redistribution and use in source and binary forms, with or without 41 * modification, are permitted provided that the following conditions 42 * are met: 43 * 1. Redistributions of source code must retain the above copyright 44 * notice, and the entire permission notice in its entirety, 45 * including the disclaimer of warranties. 46 * 2. Redistributions in binary form must reproduce the above copyright 47 * notice, this list of conditions and the following disclaimer in the 48 * documentation and/or other materials provided with the distribution. 49 * 3. The name of the author may not be used to endorse or promote 50 * products derived from this software without specific prior 51 * written permission. 52 * 53 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 54 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 55 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 56 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 57 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 58 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 59 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 60 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 61 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 62 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 63 * OF THE POSSIBILITY OF SUCH DAMAGE. 64 */ 65 66 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 67 68 #include <linux/module.h> 69 #include <linux/kernel.h> 70 #include <linux/init.h> 71 #include <linux/ptrace.h> 72 #include <linux/slab.h> 73 #include <linux/string.h> 74 #include <linux/timer.h> 75 #include <linux/interrupt.h> 76 #include <linux/in.h> 77 #include <linux/delay.h> 78 #include <linux/ethtool.h> 79 #include <linux/netdevice.h> 80 #include <linux/etherdevice.h> 81 #include <linux/skbuff.h> 82 #include <linux/if_arp.h> 83 #include <linux/ioport.h> 84 #include <linux/bitops.h> 85 #include <linux/mii.h> 86 87 #include <pcmcia/cistpl.h> 88 #include <pcmcia/cisreg.h> 89 #include <pcmcia/ciscode.h> 90 91 #include <asm/io.h> 92 #include <asm/system.h> 93 #include <asm/uaccess.h> 94 95 #ifndef MANFID_COMPAQ 96 #define MANFID_COMPAQ 0x0138 97 #define MANFID_COMPAQ2 0x0183 /* is this correct? */ 98 #endif 99 100 #include <pcmcia/ds.h> 101 102 /* Time in jiffies before concluding Tx hung */ 103 #define TX_TIMEOUT ((400*HZ)/1000) 104 105 /**************** 106 * Some constants used to access the hardware 107 */ 108 109 /* Register offsets and value constans */ 110 #define XIRCREG_CR 0 /* Command register (wr) */ 111 enum xirc_cr { 112 TransmitPacket = 0x01, 113 SoftReset = 0x02, 114 EnableIntr = 0x04, 115 ForceIntr = 0x08, 116 ClearTxFIFO = 0x10, 117 ClearRxOvrun = 0x20, 118 RestartTx = 0x40 119 }; 120 #define XIRCREG_ESR 0 /* Ethernet status register (rd) */ 121 enum xirc_esr { 122 FullPktRcvd = 0x01, /* full packet in receive buffer */ 123 PktRejected = 0x04, /* a packet has been rejected */ 124 TxPktPend = 0x08, /* TX Packet Pending */ 125 IncorPolarity = 0x10, 126 MediaSelect = 0x20 /* set if TP, clear if AUI */ 127 }; 128 #define XIRCREG_PR 1 /* Page Register select */ 129 #define XIRCREG_EDP 4 /* Ethernet Data Port Register */ 130 #define XIRCREG_ISR 6 /* Ethernet Interrupt Status Register */ 131 enum xirc_isr { 132 TxBufOvr = 0x01, /* TX Buffer Overflow */ 133 PktTxed = 0x02, /* Packet Transmitted */ 134 MACIntr = 0x04, /* MAC Interrupt occurred */ 135 TxResGrant = 0x08, /* Tx Reservation Granted */ 136 RxFullPkt = 0x20, /* Rx Full Packet */ 137 RxPktRej = 0x40, /* Rx Packet Rejected */ 138 ForcedIntr= 0x80 /* Forced Interrupt */ 139 }; 140 #define XIRCREG1_IMR0 12 /* Ethernet Interrupt Mask Register (on page 1)*/ 141 #define XIRCREG1_IMR1 13 142 #define XIRCREG0_TSO 8 /* Transmit Space Open Register (on page 0)*/ 143 #define XIRCREG0_TRS 10 /* Transmit reservation Size Register (page 0)*/ 144 #define XIRCREG0_DO 12 /* Data Offset Register (page 0) (wr) */ 145 #define XIRCREG0_RSR 12 /* Receive Status Register (page 0) (rd) */ 146 enum xirc_rsr { 147 PhyPkt = 0x01, /* set:physical packet, clear: multicast packet */ 148 BrdcstPkt = 0x02, /* set if it is a broadcast packet */ 149 PktTooLong = 0x04, /* set if packet length > 1518 */ 150 AlignErr = 0x10, /* incorrect CRC and last octet not complete */ 151 CRCErr = 0x20, /* incorrect CRC and last octet is complete */ 152 PktRxOk = 0x80 /* received ok */ 153 }; 154 #define XIRCREG0_PTR 13 /* packets transmitted register (rd) */ 155 #define XIRCREG0_RBC 14 /* receive byte count regsister (rd) */ 156 #define XIRCREG1_ECR 14 /* ethernet configurationn register */ 157 enum xirc_ecr { 158 FullDuplex = 0x04, /* enable full duplex mode */ 159 LongTPMode = 0x08, /* adjust for longer lengths of TP cable */ 160 DisablePolCor = 0x10,/* disable auto polarity correction */ 161 DisableLinkPulse = 0x20, /* disable link pulse generation */ 162 DisableAutoTx = 0x40, /* disable auto-transmit */ 163 }; 164 #define XIRCREG2_RBS 8 /* receive buffer start register */ 165 #define XIRCREG2_LED 10 /* LED Configuration register */ 166 /* values for the leds: Bits 2-0 for led 1 167 * 0 disabled Bits 5-3 for led 2 168 * 1 collision 169 * 2 noncollision 170 * 3 link_detected 171 * 4 incor_polarity 172 * 5 jabber 173 * 6 auto_assertion 174 * 7 rx_tx_activity 175 */ 176 #define XIRCREG2_MSR 12 /* Mohawk specific register */ 177 178 #define XIRCREG4_GPR0 8 /* General Purpose Register 0 */ 179 #define XIRCREG4_GPR1 9 /* General Purpose Register 1 */ 180 #define XIRCREG2_GPR2 13 /* General Purpose Register 2 (page2!)*/ 181 #define XIRCREG4_BOV 10 /* Bonding Version Register */ 182 #define XIRCREG4_LMA 12 /* Local Memory Address Register */ 183 #define XIRCREG4_LMD 14 /* Local Memory Data Port */ 184 /* MAC register can only by accessed with 8 bit operations */ 185 #define XIRCREG40_CMD0 8 /* Command Register (wr) */ 186 enum xirc_cmd { /* Commands */ 187 Transmit = 0x01, 188 EnableRecv = 0x04, 189 DisableRecv = 0x08, 190 Abort = 0x10, 191 Online = 0x20, 192 IntrAck = 0x40, 193 Offline = 0x80 194 }; 195 #define XIRCREG5_RHSA0 10 /* Rx Host Start Address */ 196 #define XIRCREG40_RXST0 9 /* Receive Status Register */ 197 #define XIRCREG40_TXST0 11 /* Transmit Status Register 0 */ 198 #define XIRCREG40_TXST1 12 /* Transmit Status Register 10 */ 199 #define XIRCREG40_RMASK0 13 /* Receive Mask Register */ 200 #define XIRCREG40_TMASK0 14 /* Transmit Mask Register 0 */ 201 #define XIRCREG40_TMASK1 15 /* Transmit Mask Register 0 */ 202 #define XIRCREG42_SWC0 8 /* Software Configuration 0 */ 203 #define XIRCREG42_SWC1 9 /* Software Configuration 1 */ 204 #define XIRCREG42_BOC 10 /* Back-Off Configuration */ 205 #define XIRCREG44_TDR0 8 /* Time Domain Reflectometry 0 */ 206 #define XIRCREG44_TDR1 9 /* Time Domain Reflectometry 1 */ 207 #define XIRCREG44_RXBC_LO 10 /* Rx Byte Count 0 (rd) */ 208 #define XIRCREG44_RXBC_HI 11 /* Rx Byte Count 1 (rd) */ 209 #define XIRCREG45_REV 15 /* Revision Register (rd) */ 210 #define XIRCREG50_IA 8 /* Individual Address (8-13) */ 211 212 static const char *if_names[] = { "Auto", "10BaseT", "10Base2", "AUI", "100BaseT" }; 213 214 /* card types */ 215 #define XIR_UNKNOWN 0 /* unknown: not supported */ 216 #define XIR_CE 1 /* (prodid 1) different hardware: not supported */ 217 #define XIR_CE2 2 /* (prodid 2) */ 218 #define XIR_CE3 3 /* (prodid 3) */ 219 #define XIR_CEM 4 /* (prodid 1) different hardware: not supported */ 220 #define XIR_CEM2 5 /* (prodid 2) */ 221 #define XIR_CEM3 6 /* (prodid 3) */ 222 #define XIR_CEM33 7 /* (prodid 4) */ 223 #define XIR_CEM56M 8 /* (prodid 5) */ 224 #define XIR_CEM56 9 /* (prodid 6) */ 225 #define XIR_CM28 10 /* (prodid 3) modem only: not supported here */ 226 #define XIR_CM33 11 /* (prodid 4) modem only: not supported here */ 227 #define XIR_CM56 12 /* (prodid 5) modem only: not supported here */ 228 #define XIR_CG 13 /* (prodid 1) GSM modem only: not supported */ 229 #define XIR_CBE 14 /* (prodid 1) cardbus ethernet: not supported */ 230 /*====================================================================*/ 231 232 /* Module parameters */ 233 234 MODULE_DESCRIPTION("Xircom PCMCIA ethernet driver"); 235 MODULE_LICENSE("Dual MPL/GPL"); 236 237 #define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0) 238 239 INT_MODULE_PARM(if_port, 0); 240 INT_MODULE_PARM(full_duplex, 0); 241 INT_MODULE_PARM(do_sound, 1); 242 INT_MODULE_PARM(lockup_hack, 0); /* anti lockup hack */ 243 244 /*====================================================================*/ 245 246 /* We do not process more than these number of bytes during one 247 * interrupt. (Of course we receive complete packets, so this is not 248 * an exact value). 249 * Something between 2000..22000; first value gives best interrupt latency, 250 * the second enables the usage of the complete on-chip buffer. We use the 251 * high value as the initial value. 252 */ 253 static unsigned maxrx_bytes = 22000; 254 255 /* MII management prototypes */ 256 static void mii_idle(unsigned int ioaddr); 257 static void mii_putbit(unsigned int ioaddr, unsigned data); 258 static int mii_getbit(unsigned int ioaddr); 259 static void mii_wbits(unsigned int ioaddr, unsigned data, int len); 260 static unsigned mii_rd(unsigned int ioaddr, u_char phyaddr, u_char phyreg); 261 static void mii_wr(unsigned int ioaddr, u_char phyaddr, u_char phyreg, 262 unsigned data, int len); 263 264 static int has_ce2_string(struct pcmcia_device * link); 265 static int xirc2ps_config(struct pcmcia_device * link); 266 static void xirc2ps_release(struct pcmcia_device * link); 267 static void xirc2ps_detach(struct pcmcia_device *p_dev); 268 269 static irqreturn_t xirc2ps_interrupt(int irq, void *dev_id); 270 271 typedef struct local_info_t { 272 struct net_device *dev; 273 struct pcmcia_device *p_dev; 274 275 int card_type; 276 int probe_port; 277 int silicon; /* silicon revision. 0=old CE2, 1=Scipper, 4=Mohawk */ 278 int mohawk; /* a CE3 type card */ 279 int dingo; /* a CEM56 type card */ 280 int new_mii; /* has full 10baseT/100baseT MII */ 281 int modem; /* is a multi function card (i.e with a modem) */ 282 void __iomem *dingo_ccr; /* only used for CEM56 cards */ 283 unsigned last_ptr_value; /* last packets transmitted value */ 284 const char *manf_str; 285 struct work_struct tx_timeout_task; 286 } local_info_t; 287 288 /**************** 289 * Some more prototypes 290 */ 291 static netdev_tx_t do_start_xmit(struct sk_buff *skb, 292 struct net_device *dev); 293 static void xirc_tx_timeout(struct net_device *dev); 294 static void xirc2ps_tx_timeout_task(struct work_struct *work); 295 static void set_addresses(struct net_device *dev); 296 static void set_multicast_list(struct net_device *dev); 297 static int set_card_type(struct pcmcia_device *link); 298 static int do_config(struct net_device *dev, struct ifmap *map); 299 static int do_open(struct net_device *dev); 300 static int do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 301 static const struct ethtool_ops netdev_ethtool_ops; 302 static void hardreset(struct net_device *dev); 303 static void do_reset(struct net_device *dev, int full); 304 static int init_mii(struct net_device *dev); 305 static void do_powerdown(struct net_device *dev); 306 static int do_stop(struct net_device *dev); 307 308 /*=============== Helper functions =========================*/ 309 #define SelectPage(pgnr) outb((pgnr), ioaddr + XIRCREG_PR) 310 #define GetByte(reg) ((unsigned)inb(ioaddr + (reg))) 311 #define GetWord(reg) ((unsigned)inw(ioaddr + (reg))) 312 #define PutByte(reg,value) outb((value), ioaddr+(reg)) 313 #define PutWord(reg,value) outw((value), ioaddr+(reg)) 314 315 /*====== Functions used for debugging =================================*/ 316 #if 0 /* reading regs may change system status */ 317 static void 318 PrintRegisters(struct net_device *dev) 319 { 320 unsigned int ioaddr = dev->base_addr; 321 322 if (pc_debug > 1) { 323 int i, page; 324 325 printk(KERN_DEBUG pr_fmt("Register common: ")); 326 for (i = 0; i < 8; i++) 327 pr_cont(" %2.2x", GetByte(i)); 328 pr_cont("\n"); 329 for (page = 0; page <= 8; page++) { 330 printk(KERN_DEBUG pr_fmt("Register page %2x: "), page); 331 SelectPage(page); 332 for (i = 8; i < 16; i++) 333 pr_cont(" %2.2x", GetByte(i)); 334 pr_cont("\n"); 335 } 336 for (page=0x40 ; page <= 0x5f; page++) { 337 if (page == 0x43 || (page >= 0x46 && page <= 0x4f) || 338 (page >= 0x51 && page <=0x5e)) 339 continue; 340 printk(KERN_DEBUG pr_fmt("Register page %2x: "), page); 341 SelectPage(page); 342 for (i = 8; i < 16; i++) 343 pr_cont(" %2.2x", GetByte(i)); 344 pr_cont("\n"); 345 } 346 } 347 } 348 #endif /* 0 */ 349 350 /*============== MII Management functions ===============*/ 351 352 /**************** 353 * Turn around for read 354 */ 355 static void 356 mii_idle(unsigned int ioaddr) 357 { 358 PutByte(XIRCREG2_GPR2, 0x04|0); /* drive MDCK low */ 359 udelay(1); 360 PutByte(XIRCREG2_GPR2, 0x04|1); /* and drive MDCK high */ 361 udelay(1); 362 } 363 364 /**************** 365 * Write a bit to MDI/O 366 */ 367 static void 368 mii_putbit(unsigned int ioaddr, unsigned data) 369 { 370 #if 1 371 if (data) { 372 PutByte(XIRCREG2_GPR2, 0x0c|2|0); /* set MDIO */ 373 udelay(1); 374 PutByte(XIRCREG2_GPR2, 0x0c|2|1); /* and drive MDCK high */ 375 udelay(1); 376 } else { 377 PutByte(XIRCREG2_GPR2, 0x0c|0|0); /* clear MDIO */ 378 udelay(1); 379 PutByte(XIRCREG2_GPR2, 0x0c|0|1); /* and drive MDCK high */ 380 udelay(1); 381 } 382 #else 383 if (data) { 384 PutWord(XIRCREG2_GPR2-1, 0x0e0e); 385 udelay(1); 386 PutWord(XIRCREG2_GPR2-1, 0x0f0f); 387 udelay(1); 388 } else { 389 PutWord(XIRCREG2_GPR2-1, 0x0c0c); 390 udelay(1); 391 PutWord(XIRCREG2_GPR2-1, 0x0d0d); 392 udelay(1); 393 } 394 #endif 395 } 396 397 /**************** 398 * Get a bit from MDI/O 399 */ 400 static int 401 mii_getbit(unsigned int ioaddr) 402 { 403 unsigned d; 404 405 PutByte(XIRCREG2_GPR2, 4|0); /* drive MDCK low */ 406 udelay(1); 407 d = GetByte(XIRCREG2_GPR2); /* read MDIO */ 408 PutByte(XIRCREG2_GPR2, 4|1); /* drive MDCK high again */ 409 udelay(1); 410 return d & 0x20; /* read MDIO */ 411 } 412 413 static void 414 mii_wbits(unsigned int ioaddr, unsigned data, int len) 415 { 416 unsigned m = 1 << (len-1); 417 for (; m; m >>= 1) 418 mii_putbit(ioaddr, data & m); 419 } 420 421 static unsigned 422 mii_rd(unsigned int ioaddr, u_char phyaddr, u_char phyreg) 423 { 424 int i; 425 unsigned data=0, m; 426 427 SelectPage(2); 428 for (i=0; i < 32; i++) /* 32 bit preamble */ 429 mii_putbit(ioaddr, 1); 430 mii_wbits(ioaddr, 0x06, 4); /* Start and opcode for read */ 431 mii_wbits(ioaddr, phyaddr, 5); /* PHY address to be accessed */ 432 mii_wbits(ioaddr, phyreg, 5); /* PHY register to read */ 433 mii_idle(ioaddr); /* turn around */ 434 mii_getbit(ioaddr); 435 436 for (m = 1<<15; m; m >>= 1) 437 if (mii_getbit(ioaddr)) 438 data |= m; 439 mii_idle(ioaddr); 440 return data; 441 } 442 443 static void 444 mii_wr(unsigned int ioaddr, u_char phyaddr, u_char phyreg, unsigned data, 445 int len) 446 { 447 int i; 448 449 SelectPage(2); 450 for (i=0; i < 32; i++) /* 32 bit preamble */ 451 mii_putbit(ioaddr, 1); 452 mii_wbits(ioaddr, 0x05, 4); /* Start and opcode for write */ 453 mii_wbits(ioaddr, phyaddr, 5); /* PHY address to be accessed */ 454 mii_wbits(ioaddr, phyreg, 5); /* PHY Register to write */ 455 mii_putbit(ioaddr, 1); /* turn around */ 456 mii_putbit(ioaddr, 0); 457 mii_wbits(ioaddr, data, len); /* And write the data */ 458 mii_idle(ioaddr); 459 } 460 461 /*============= Main bulk of functions =========================*/ 462 463 static const struct net_device_ops netdev_ops = { 464 .ndo_open = do_open, 465 .ndo_stop = do_stop, 466 .ndo_start_xmit = do_start_xmit, 467 .ndo_tx_timeout = xirc_tx_timeout, 468 .ndo_set_config = do_config, 469 .ndo_do_ioctl = do_ioctl, 470 .ndo_set_rx_mode = set_multicast_list, 471 .ndo_change_mtu = eth_change_mtu, 472 .ndo_set_mac_address = eth_mac_addr, 473 .ndo_validate_addr = eth_validate_addr, 474 }; 475 476 static int 477 xirc2ps_probe(struct pcmcia_device *link) 478 { 479 struct net_device *dev; 480 local_info_t *local; 481 482 dev_dbg(&link->dev, "attach()\n"); 483 484 /* Allocate the device structure */ 485 dev = alloc_etherdev(sizeof(local_info_t)); 486 if (!dev) 487 return -ENOMEM; 488 local = netdev_priv(dev); 489 local->dev = dev; 490 local->p_dev = link; 491 link->priv = dev; 492 493 /* General socket configuration */ 494 link->config_index = 1; 495 496 /* Fill in card specific entries */ 497 dev->netdev_ops = &netdev_ops; 498 dev->ethtool_ops = &netdev_ethtool_ops; 499 dev->watchdog_timeo = TX_TIMEOUT; 500 INIT_WORK(&local->tx_timeout_task, xirc2ps_tx_timeout_task); 501 502 return xirc2ps_config(link); 503 } /* xirc2ps_attach */ 504 505 static void 506 xirc2ps_detach(struct pcmcia_device *link) 507 { 508 struct net_device *dev = link->priv; 509 510 dev_dbg(&link->dev, "detach\n"); 511 512 unregister_netdev(dev); 513 514 xirc2ps_release(link); 515 516 free_netdev(dev); 517 } /* xirc2ps_detach */ 518 519 /**************** 520 * Detect the type of the card. s is the buffer with the data of tuple 0x20 521 * Returns: 0 := not supported 522 * mediaid=11 and prodid=47 523 * Media-Id bits: 524 * Ethernet 0x01 525 * Tokenring 0x02 526 * Arcnet 0x04 527 * Wireless 0x08 528 * Modem 0x10 529 * GSM only 0x20 530 * Prod-Id bits: 531 * Pocket 0x10 532 * External 0x20 533 * Creditcard 0x40 534 * Cardbus 0x80 535 * 536 */ 537 static int 538 set_card_type(struct pcmcia_device *link) 539 { 540 struct net_device *dev = link->priv; 541 local_info_t *local = netdev_priv(dev); 542 u8 *buf; 543 unsigned int cisrev, mediaid, prodid; 544 size_t len; 545 546 len = pcmcia_get_tuple(link, CISTPL_MANFID, &buf); 547 if (len < 5) { 548 dev_err(&link->dev, "invalid CIS -- sorry\n"); 549 return 0; 550 } 551 552 cisrev = buf[2]; 553 mediaid = buf[3]; 554 prodid = buf[4]; 555 556 dev_dbg(&link->dev, "cisrev=%02x mediaid=%02x prodid=%02x\n", 557 cisrev, mediaid, prodid); 558 559 local->mohawk = 0; 560 local->dingo = 0; 561 local->modem = 0; 562 local->card_type = XIR_UNKNOWN; 563 if (!(prodid & 0x40)) { 564 pr_notice("Oops: Not a creditcard\n"); 565 return 0; 566 } 567 if (!(mediaid & 0x01)) { 568 pr_notice("Not an Ethernet card\n"); 569 return 0; 570 } 571 if (mediaid & 0x10) { 572 local->modem = 1; 573 switch(prodid & 15) { 574 case 1: local->card_type = XIR_CEM ; break; 575 case 2: local->card_type = XIR_CEM2 ; break; 576 case 3: local->card_type = XIR_CEM3 ; break; 577 case 4: local->card_type = XIR_CEM33 ; break; 578 case 5: local->card_type = XIR_CEM56M; 579 local->mohawk = 1; 580 break; 581 case 6: 582 case 7: /* 7 is the RealPort 10/56 */ 583 local->card_type = XIR_CEM56 ; 584 local->mohawk = 1; 585 local->dingo = 1; 586 break; 587 } 588 } else { 589 switch(prodid & 15) { 590 case 1: local->card_type = has_ce2_string(link)? XIR_CE2 : XIR_CE ; 591 break; 592 case 2: local->card_type = XIR_CE2; break; 593 case 3: local->card_type = XIR_CE3; 594 local->mohawk = 1; 595 break; 596 } 597 } 598 if (local->card_type == XIR_CE || local->card_type == XIR_CEM) { 599 pr_notice("Sorry, this is an old CE card\n"); 600 return 0; 601 } 602 if (local->card_type == XIR_UNKNOWN) 603 pr_notice("unknown card (mediaid=%02x prodid=%02x)\n", mediaid, prodid); 604 605 return 1; 606 } 607 608 /**************** 609 * There are some CE2 cards out which claim to be a CE card. 610 * This function looks for a "CE2" in the 3rd version field. 611 * Returns: true if this is a CE2 612 */ 613 static int 614 has_ce2_string(struct pcmcia_device * p_dev) 615 { 616 if (p_dev->prod_id[2] && strstr(p_dev->prod_id[2], "CE2")) 617 return 1; 618 return 0; 619 } 620 621 static int 622 xirc2ps_config_modem(struct pcmcia_device *p_dev, void *priv_data) 623 { 624 unsigned int ioaddr; 625 626 if ((p_dev->resource[0]->start & 0xf) == 8) 627 return -ENODEV; 628 629 p_dev->resource[0]->end = 16; 630 p_dev->resource[1]->end = 8; 631 p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; 632 p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_16; 633 p_dev->resource[1]->flags &= ~IO_DATA_PATH_WIDTH; 634 p_dev->resource[1]->flags |= IO_DATA_PATH_WIDTH_8; 635 p_dev->io_lines = 10; 636 637 p_dev->resource[1]->start = p_dev->resource[0]->start; 638 for (ioaddr = 0x300; ioaddr < 0x400; ioaddr += 0x10) { 639 p_dev->resource[0]->start = ioaddr; 640 if (!pcmcia_request_io(p_dev)) 641 return 0; 642 } 643 return -ENODEV; 644 } 645 646 static int 647 xirc2ps_config_check(struct pcmcia_device *p_dev, void *priv_data) 648 { 649 int *pass = priv_data; 650 resource_size_t tmp = p_dev->resource[1]->start; 651 652 tmp += (*pass ? (p_dev->config_index & 0x20 ? -24 : 8) 653 : (p_dev->config_index & 0x20 ? 8 : -24)); 654 655 if ((p_dev->resource[0]->start & 0xf) == 8) 656 return -ENODEV; 657 658 p_dev->resource[0]->end = 18; 659 p_dev->resource[1]->end = 8; 660 p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; 661 p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_16; 662 p_dev->resource[1]->flags &= ~IO_DATA_PATH_WIDTH; 663 p_dev->resource[1]->flags |= IO_DATA_PATH_WIDTH_8; 664 p_dev->io_lines = 10; 665 666 p_dev->resource[1]->start = p_dev->resource[0]->start; 667 p_dev->resource[0]->start = tmp; 668 return pcmcia_request_io(p_dev); 669 } 670 671 672 static int pcmcia_get_mac_ce(struct pcmcia_device *p_dev, 673 tuple_t *tuple, 674 void *priv) 675 { 676 struct net_device *dev = priv; 677 int i; 678 679 if (tuple->TupleDataLen != 13) 680 return -EINVAL; 681 if ((tuple->TupleData[0] != 2) || (tuple->TupleData[1] != 1) || 682 (tuple->TupleData[2] != 6)) 683 return -EINVAL; 684 /* another try (James Lehmer's CE2 version 4.1)*/ 685 for (i = 2; i < 6; i++) 686 dev->dev_addr[i] = tuple->TupleData[i+2]; 687 return 0; 688 }; 689 690 691 static int 692 xirc2ps_config(struct pcmcia_device * link) 693 { 694 struct net_device *dev = link->priv; 695 local_info_t *local = netdev_priv(dev); 696 unsigned int ioaddr; 697 int err; 698 u8 *buf; 699 size_t len; 700 701 local->dingo_ccr = NULL; 702 703 dev_dbg(&link->dev, "config\n"); 704 705 /* Is this a valid card */ 706 if (link->has_manf_id == 0) { 707 pr_notice("manfid not found in CIS\n"); 708 goto failure; 709 } 710 711 switch (link->manf_id) { 712 case MANFID_XIRCOM: 713 local->manf_str = "Xircom"; 714 break; 715 case MANFID_ACCTON: 716 local->manf_str = "Accton"; 717 break; 718 case MANFID_COMPAQ: 719 case MANFID_COMPAQ2: 720 local->manf_str = "Compaq"; 721 break; 722 case MANFID_INTEL: 723 local->manf_str = "Intel"; 724 break; 725 case MANFID_TOSHIBA: 726 local->manf_str = "Toshiba"; 727 break; 728 default: 729 pr_notice("Unknown Card Manufacturer ID: 0x%04x\n", 730 (unsigned)link->manf_id); 731 goto failure; 732 } 733 dev_dbg(&link->dev, "found %s card\n", local->manf_str); 734 735 if (!set_card_type(link)) { 736 pr_notice("this card is not supported\n"); 737 goto failure; 738 } 739 740 /* get the ethernet address from the CIS */ 741 err = pcmcia_get_mac_from_cis(link, dev); 742 743 /* not found: try to get the node-id from tuple 0x89 */ 744 if (err) { 745 len = pcmcia_get_tuple(link, 0x89, &buf); 746 /* data layout looks like tuple 0x22 */ 747 if (buf && len == 8) { 748 if (*buf == CISTPL_FUNCE_LAN_NODE_ID) { 749 int i; 750 for (i = 2; i < 6; i++) 751 dev->dev_addr[i] = buf[i+2]; 752 } else 753 err = -1; 754 } 755 kfree(buf); 756 } 757 758 if (err) 759 err = pcmcia_loop_tuple(link, CISTPL_FUNCE, pcmcia_get_mac_ce, dev); 760 761 if (err) { 762 pr_notice("node-id not found in CIS\n"); 763 goto failure; 764 } 765 766 if (local->modem) { 767 int pass; 768 link->config_flags |= CONF_AUTO_SET_IO; 769 770 if (local->dingo) { 771 /* Take the Modem IO port from the CIS and scan for a free 772 * Ethernet port */ 773 if (!pcmcia_loop_config(link, xirc2ps_config_modem, NULL)) 774 goto port_found; 775 } else { 776 /* We do 2 passes here: The first one uses the regular mapping and 777 * the second tries again, thereby considering that the 32 ports are 778 * mirrored every 32 bytes. Actually we use a mirrored port for 779 * the Mako if (on the first pass) the COR bit 5 is set. 780 */ 781 for (pass=0; pass < 2; pass++) 782 if (!pcmcia_loop_config(link, xirc2ps_config_check, 783 &pass)) 784 goto port_found; 785 /* if special option: 786 * try to configure as Ethernet only. 787 * .... */ 788 } 789 pr_notice("no ports available\n"); 790 } else { 791 link->io_lines = 10; 792 link->resource[0]->end = 16; 793 link->resource[0]->flags |= IO_DATA_PATH_WIDTH_16; 794 for (ioaddr = 0x300; ioaddr < 0x400; ioaddr += 0x10) { 795 link->resource[0]->start = ioaddr; 796 if (!(err = pcmcia_request_io(link))) 797 goto port_found; 798 } 799 link->resource[0]->start = 0; /* let CS decide */ 800 if ((err = pcmcia_request_io(link))) 801 goto config_error; 802 } 803 port_found: 804 if (err) 805 goto config_error; 806 807 /**************** 808 * Now allocate an interrupt line. Note that this does not 809 * actually assign a handler to the interrupt. 810 */ 811 if ((err=pcmcia_request_irq(link, xirc2ps_interrupt))) 812 goto config_error; 813 814 link->config_flags |= CONF_ENABLE_IRQ; 815 if (do_sound) 816 link->config_flags |= CONF_ENABLE_SPKR; 817 818 if ((err = pcmcia_enable_device(link))) 819 goto config_error; 820 821 if (local->dingo) { 822 /* Reset the modem's BAR to the correct value 823 * This is necessary because in the RequestConfiguration call, 824 * the base address of the ethernet port (BasePort1) is written 825 * to the BAR registers of the modem. 826 */ 827 err = pcmcia_write_config_byte(link, CISREG_IOBASE_0, (u8) 828 link->resource[1]->start & 0xff); 829 if (err) 830 goto config_error; 831 832 err = pcmcia_write_config_byte(link, CISREG_IOBASE_1, 833 (link->resource[1]->start >> 8) & 0xff); 834 if (err) 835 goto config_error; 836 837 /* There is no config entry for the Ethernet part which 838 * is at 0x0800. So we allocate a window into the attribute 839 * memory and write direct to the CIS registers 840 */ 841 link->resource[2]->flags = WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_AM | 842 WIN_ENABLE; 843 link->resource[2]->start = link->resource[2]->end = 0; 844 if ((err = pcmcia_request_window(link, link->resource[2], 0))) 845 goto config_error; 846 847 local->dingo_ccr = ioremap(link->resource[2]->start, 0x1000) + 0x0800; 848 if ((err = pcmcia_map_mem_page(link, link->resource[2], 0))) 849 goto config_error; 850 851 /* Setup the CCRs; there are no infos in the CIS about the Ethernet 852 * part. 853 */ 854 writeb(0x47, local->dingo_ccr + CISREG_COR); 855 ioaddr = link->resource[0]->start; 856 writeb(ioaddr & 0xff , local->dingo_ccr + CISREG_IOBASE_0); 857 writeb((ioaddr >> 8)&0xff , local->dingo_ccr + CISREG_IOBASE_1); 858 859 #if 0 860 { 861 u_char tmp; 862 pr_info("ECOR:"); 863 for (i=0; i < 7; i++) { 864 tmp = readb(local->dingo_ccr + i*2); 865 pr_cont(" %02x", tmp); 866 } 867 pr_cont("\n"); 868 pr_info("DCOR:"); 869 for (i=0; i < 4; i++) { 870 tmp = readb(local->dingo_ccr + 0x20 + i*2); 871 pr_cont(" %02x", tmp); 872 } 873 pr_cont("\n"); 874 pr_info("SCOR:"); 875 for (i=0; i < 10; i++) { 876 tmp = readb(local->dingo_ccr + 0x40 + i*2); 877 pr_cont(" %02x", tmp); 878 } 879 pr_cont("\n"); 880 } 881 #endif 882 883 writeb(0x01, local->dingo_ccr + 0x20); 884 writeb(0x0c, local->dingo_ccr + 0x22); 885 writeb(0x00, local->dingo_ccr + 0x24); 886 writeb(0x00, local->dingo_ccr + 0x26); 887 writeb(0x00, local->dingo_ccr + 0x28); 888 } 889 890 /* The if_port symbol can be set when the module is loaded */ 891 local->probe_port=0; 892 if (!if_port) { 893 local->probe_port = dev->if_port = 1; 894 } else if ((if_port >= 1 && if_port <= 2) || 895 (local->mohawk && if_port==4)) 896 dev->if_port = if_port; 897 else 898 pr_notice("invalid if_port requested\n"); 899 900 /* we can now register the device with the net subsystem */ 901 dev->irq = link->irq; 902 dev->base_addr = link->resource[0]->start; 903 904 if (local->dingo) 905 do_reset(dev, 1); /* a kludge to make the cem56 work */ 906 907 SET_NETDEV_DEV(dev, &link->dev); 908 909 if ((err=register_netdev(dev))) { 910 pr_notice("register_netdev() failed\n"); 911 goto config_error; 912 } 913 914 /* give some infos about the hardware */ 915 netdev_info(dev, "%s: port %#3lx, irq %d, hwaddr %pM\n", 916 local->manf_str, (u_long)dev->base_addr, (int)dev->irq, 917 dev->dev_addr); 918 919 return 0; 920 921 config_error: 922 xirc2ps_release(link); 923 return -ENODEV; 924 925 failure: 926 return -ENODEV; 927 } /* xirc2ps_config */ 928 929 static void 930 xirc2ps_release(struct pcmcia_device *link) 931 { 932 dev_dbg(&link->dev, "release\n"); 933 934 if (link->resource[2]->end) { 935 struct net_device *dev = link->priv; 936 local_info_t *local = netdev_priv(dev); 937 if (local->dingo) 938 iounmap(local->dingo_ccr - 0x0800); 939 } 940 pcmcia_disable_device(link); 941 } /* xirc2ps_release */ 942 943 /*====================================================================*/ 944 945 946 static int xirc2ps_suspend(struct pcmcia_device *link) 947 { 948 struct net_device *dev = link->priv; 949 950 if (link->open) { 951 netif_device_detach(dev); 952 do_powerdown(dev); 953 } 954 955 return 0; 956 } 957 958 static int xirc2ps_resume(struct pcmcia_device *link) 959 { 960 struct net_device *dev = link->priv; 961 962 if (link->open) { 963 do_reset(dev,1); 964 netif_device_attach(dev); 965 } 966 967 return 0; 968 } 969 970 971 /*====================================================================*/ 972 973 /**************** 974 * This is the Interrupt service route. 975 */ 976 static irqreturn_t 977 xirc2ps_interrupt(int irq, void *dev_id) 978 { 979 struct net_device *dev = (struct net_device *)dev_id; 980 local_info_t *lp = netdev_priv(dev); 981 unsigned int ioaddr; 982 u_char saved_page; 983 unsigned bytes_rcvd; 984 unsigned int_status, eth_status, rx_status, tx_status; 985 unsigned rsr, pktlen; 986 ulong start_ticks = jiffies; /* fixme: jiffies rollover every 497 days 987 * is this something to worry about? 988 * -- on a laptop? 989 */ 990 991 if (!netif_device_present(dev)) 992 return IRQ_HANDLED; 993 994 ioaddr = dev->base_addr; 995 if (lp->mohawk) { /* must disable the interrupt */ 996 PutByte(XIRCREG_CR, 0); 997 } 998 999 pr_debug("%s: interrupt %d at %#x.\n", dev->name, irq, ioaddr); 1000 1001 saved_page = GetByte(XIRCREG_PR); 1002 /* Read the ISR to see whats the cause for the interrupt. 1003 * This also clears the interrupt flags on CE2 cards 1004 */ 1005 int_status = GetByte(XIRCREG_ISR); 1006 bytes_rcvd = 0; 1007 loop_entry: 1008 if (int_status == 0xff) { /* card may be ejected */ 1009 pr_debug("%s: interrupt %d for dead card\n", dev->name, irq); 1010 goto leave; 1011 } 1012 eth_status = GetByte(XIRCREG_ESR); 1013 1014 SelectPage(0x40); 1015 rx_status = GetByte(XIRCREG40_RXST0); 1016 PutByte(XIRCREG40_RXST0, (~rx_status & 0xff)); 1017 tx_status = GetByte(XIRCREG40_TXST0); 1018 tx_status |= GetByte(XIRCREG40_TXST1) << 8; 1019 PutByte(XIRCREG40_TXST0, 0); 1020 PutByte(XIRCREG40_TXST1, 0); 1021 1022 pr_debug("%s: ISR=%#2.2x ESR=%#2.2x RSR=%#2.2x TSR=%#4.4x\n", 1023 dev->name, int_status, eth_status, rx_status, tx_status); 1024 1025 /***** receive section ******/ 1026 SelectPage(0); 1027 while (eth_status & FullPktRcvd) { 1028 rsr = GetByte(XIRCREG0_RSR); 1029 if (bytes_rcvd > maxrx_bytes && (rsr & PktRxOk)) { 1030 /* too many bytes received during this int, drop the rest of the 1031 * packets */ 1032 dev->stats.rx_dropped++; 1033 pr_debug("%s: RX drop, too much done\n", dev->name); 1034 } else if (rsr & PktRxOk) { 1035 struct sk_buff *skb; 1036 1037 pktlen = GetWord(XIRCREG0_RBC); 1038 bytes_rcvd += pktlen; 1039 1040 pr_debug("rsr=%#02x packet_length=%u\n", rsr, pktlen); 1041 1042 /* 1 extra so we can use insw */ 1043 skb = netdev_alloc_skb(dev, pktlen + 3); 1044 if (!skb) { 1045 pr_notice("low memory, packet dropped (size=%u)\n", pktlen); 1046 dev->stats.rx_dropped++; 1047 } else { /* okay get the packet */ 1048 skb_reserve(skb, 2); 1049 if (lp->silicon == 0 ) { /* work around a hardware bug */ 1050 unsigned rhsa; /* receive start address */ 1051 1052 SelectPage(5); 1053 rhsa = GetWord(XIRCREG5_RHSA0); 1054 SelectPage(0); 1055 rhsa += 3; /* skip control infos */ 1056 if (rhsa >= 0x8000) 1057 rhsa = 0; 1058 if (rhsa + pktlen > 0x8000) { 1059 unsigned i; 1060 u_char *buf = skb_put(skb, pktlen); 1061 for (i=0; i < pktlen ; i++, rhsa++) { 1062 buf[i] = GetByte(XIRCREG_EDP); 1063 if (rhsa == 0x8000) { 1064 rhsa = 0; 1065 i--; 1066 } 1067 } 1068 } else { 1069 insw(ioaddr+XIRCREG_EDP, 1070 skb_put(skb, pktlen), (pktlen+1)>>1); 1071 } 1072 } 1073 #if 0 1074 else if (lp->mohawk) { 1075 /* To use this 32 bit access we should use 1076 * a manual optimized loop 1077 * Also the words are swapped, we can get more 1078 * performance by using 32 bit access and swapping 1079 * the words in a register. Will need this for cardbus 1080 * 1081 * Note: don't forget to change the ALLOC_SKB to .. +3 1082 */ 1083 unsigned i; 1084 u_long *p = skb_put(skb, pktlen); 1085 register u_long a; 1086 unsigned int edpreg = ioaddr+XIRCREG_EDP-2; 1087 for (i=0; i < len ; i += 4, p++) { 1088 a = inl(edpreg); 1089 __asm__("rorl $16,%0\n\t" 1090 :"=q" (a) 1091 : "0" (a)); 1092 *p = a; 1093 } 1094 } 1095 #endif 1096 else { 1097 insw(ioaddr+XIRCREG_EDP, skb_put(skb, pktlen), 1098 (pktlen+1)>>1); 1099 } 1100 skb->protocol = eth_type_trans(skb, dev); 1101 netif_rx(skb); 1102 dev->stats.rx_packets++; 1103 dev->stats.rx_bytes += pktlen; 1104 if (!(rsr & PhyPkt)) 1105 dev->stats.multicast++; 1106 } 1107 } else { /* bad packet */ 1108 pr_debug("rsr=%#02x\n", rsr); 1109 } 1110 if (rsr & PktTooLong) { 1111 dev->stats.rx_frame_errors++; 1112 pr_debug("%s: Packet too long\n", dev->name); 1113 } 1114 if (rsr & CRCErr) { 1115 dev->stats.rx_crc_errors++; 1116 pr_debug("%s: CRC error\n", dev->name); 1117 } 1118 if (rsr & AlignErr) { 1119 dev->stats.rx_fifo_errors++; /* okay ? */ 1120 pr_debug("%s: Alignment error\n", dev->name); 1121 } 1122 1123 /* clear the received/dropped/error packet */ 1124 PutWord(XIRCREG0_DO, 0x8000); /* issue cmd: skip_rx_packet */ 1125 1126 /* get the new ethernet status */ 1127 eth_status = GetByte(XIRCREG_ESR); 1128 } 1129 if (rx_status & 0x10) { /* Receive overrun */ 1130 dev->stats.rx_over_errors++; 1131 PutByte(XIRCREG_CR, ClearRxOvrun); 1132 pr_debug("receive overrun cleared\n"); 1133 } 1134 1135 /***** transmit section ******/ 1136 if (int_status & PktTxed) { 1137 unsigned n, nn; 1138 1139 n = lp->last_ptr_value; 1140 nn = GetByte(XIRCREG0_PTR); 1141 lp->last_ptr_value = nn; 1142 if (nn < n) /* rollover */ 1143 dev->stats.tx_packets += 256 - n; 1144 else if (n == nn) { /* happens sometimes - don't know why */ 1145 pr_debug("PTR not changed?\n"); 1146 } else 1147 dev->stats.tx_packets += lp->last_ptr_value - n; 1148 netif_wake_queue(dev); 1149 } 1150 if (tx_status & 0x0002) { /* Execessive collissions */ 1151 pr_debug("tx restarted due to execssive collissions\n"); 1152 PutByte(XIRCREG_CR, RestartTx); /* restart transmitter process */ 1153 } 1154 if (tx_status & 0x0040) 1155 dev->stats.tx_aborted_errors++; 1156 1157 /* recalculate our work chunk so that we limit the duration of this 1158 * ISR to about 1/10 of a second. 1159 * Calculate only if we received a reasonable amount of bytes. 1160 */ 1161 if (bytes_rcvd > 1000) { 1162 u_long duration = jiffies - start_ticks; 1163 1164 if (duration >= HZ/10) { /* if more than about 1/10 second */ 1165 maxrx_bytes = (bytes_rcvd * (HZ/10)) / duration; 1166 if (maxrx_bytes < 2000) 1167 maxrx_bytes = 2000; 1168 else if (maxrx_bytes > 22000) 1169 maxrx_bytes = 22000; 1170 pr_debug("set maxrx=%u (rcvd=%u ticks=%lu)\n", 1171 maxrx_bytes, bytes_rcvd, duration); 1172 } else if (!duration && maxrx_bytes < 22000) { 1173 /* now much faster */ 1174 maxrx_bytes += 2000; 1175 if (maxrx_bytes > 22000) 1176 maxrx_bytes = 22000; 1177 pr_debug("set maxrx=%u\n", maxrx_bytes); 1178 } 1179 } 1180 1181 leave: 1182 if (lockup_hack) { 1183 if (int_status != 0xff && (int_status = GetByte(XIRCREG_ISR)) != 0) 1184 goto loop_entry; 1185 } 1186 SelectPage(saved_page); 1187 PutByte(XIRCREG_CR, EnableIntr); /* re-enable interrupts */ 1188 /* Instead of dropping packets during a receive, we could 1189 * force an interrupt with this command: 1190 * PutByte(XIRCREG_CR, EnableIntr|ForceIntr); 1191 */ 1192 return IRQ_HANDLED; 1193 } /* xirc2ps_interrupt */ 1194 1195 /*====================================================================*/ 1196 1197 static void 1198 xirc2ps_tx_timeout_task(struct work_struct *work) 1199 { 1200 local_info_t *local = 1201 container_of(work, local_info_t, tx_timeout_task); 1202 struct net_device *dev = local->dev; 1203 /* reset the card */ 1204 do_reset(dev,1); 1205 dev->trans_start = jiffies; /* prevent tx timeout */ 1206 netif_wake_queue(dev); 1207 } 1208 1209 static void 1210 xirc_tx_timeout(struct net_device *dev) 1211 { 1212 local_info_t *lp = netdev_priv(dev); 1213 dev->stats.tx_errors++; 1214 netdev_notice(dev, "transmit timed out\n"); 1215 schedule_work(&lp->tx_timeout_task); 1216 } 1217 1218 static netdev_tx_t 1219 do_start_xmit(struct sk_buff *skb, struct net_device *dev) 1220 { 1221 local_info_t *lp = netdev_priv(dev); 1222 unsigned int ioaddr = dev->base_addr; 1223 int okay; 1224 unsigned freespace; 1225 unsigned pktlen = skb->len; 1226 1227 pr_debug("do_start_xmit(skb=%p, dev=%p) len=%u\n", 1228 skb, dev, pktlen); 1229 1230 1231 /* adjust the packet length to min. required 1232 * and hope that the buffer is large enough 1233 * to provide some random data. 1234 * fixme: For Mohawk we can change this by sending 1235 * a larger packetlen than we actually have; the chip will 1236 * pad this in his buffer with random bytes 1237 */ 1238 if (pktlen < ETH_ZLEN) 1239 { 1240 if (skb_padto(skb, ETH_ZLEN)) 1241 return NETDEV_TX_OK; 1242 pktlen = ETH_ZLEN; 1243 } 1244 1245 netif_stop_queue(dev); 1246 SelectPage(0); 1247 PutWord(XIRCREG0_TRS, (u_short)pktlen+2); 1248 freespace = GetWord(XIRCREG0_TSO); 1249 okay = freespace & 0x8000; 1250 freespace &= 0x7fff; 1251 /* TRS doesn't work - (indeed it is eliminated with sil-rev 1) */ 1252 okay = pktlen +2 < freespace; 1253 pr_debug("%s: avail. tx space=%u%s\n", 1254 dev->name, freespace, okay ? " (okay)":" (not enough)"); 1255 if (!okay) { /* not enough space */ 1256 return NETDEV_TX_BUSY; /* upper layer may decide to requeue this packet */ 1257 } 1258 /* send the packet */ 1259 PutWord(XIRCREG_EDP, (u_short)pktlen); 1260 outsw(ioaddr+XIRCREG_EDP, skb->data, pktlen>>1); 1261 if (pktlen & 1) 1262 PutByte(XIRCREG_EDP, skb->data[pktlen-1]); 1263 1264 if (lp->mohawk) 1265 PutByte(XIRCREG_CR, TransmitPacket|EnableIntr); 1266 1267 dev_kfree_skb (skb); 1268 dev->stats.tx_bytes += pktlen; 1269 netif_start_queue(dev); 1270 return NETDEV_TX_OK; 1271 } 1272 1273 struct set_address_info { 1274 int reg_nr; 1275 int page_nr; 1276 int mohawk; 1277 unsigned int ioaddr; 1278 }; 1279 1280 static void set_address(struct set_address_info *sa_info, char *addr) 1281 { 1282 unsigned int ioaddr = sa_info->ioaddr; 1283 int i; 1284 1285 for (i = 0; i < 6; i++) { 1286 if (sa_info->reg_nr > 15) { 1287 sa_info->reg_nr = 8; 1288 sa_info->page_nr++; 1289 SelectPage(sa_info->page_nr); 1290 } 1291 if (sa_info->mohawk) 1292 PutByte(sa_info->reg_nr++, addr[5 - i]); 1293 else 1294 PutByte(sa_info->reg_nr++, addr[i]); 1295 } 1296 } 1297 1298 /**************** 1299 * Set all addresses: This first one is the individual address, 1300 * the next 9 addresses are taken from the multicast list and 1301 * the rest is filled with the individual address. 1302 */ 1303 static void set_addresses(struct net_device *dev) 1304 { 1305 unsigned int ioaddr = dev->base_addr; 1306 local_info_t *lp = netdev_priv(dev); 1307 struct netdev_hw_addr *ha; 1308 struct set_address_info sa_info; 1309 int i; 1310 1311 /* 1312 * Setup the info structure so that by first set_address call it will do 1313 * SelectPage with the right page number. Hence these ones here. 1314 */ 1315 sa_info.reg_nr = 15 + 1; 1316 sa_info.page_nr = 0x50 - 1; 1317 sa_info.mohawk = lp->mohawk; 1318 sa_info.ioaddr = ioaddr; 1319 1320 set_address(&sa_info, dev->dev_addr); 1321 i = 0; 1322 netdev_for_each_mc_addr(ha, dev) { 1323 if (i++ == 9) 1324 break; 1325 set_address(&sa_info, ha->addr); 1326 } 1327 while (i++ < 9) 1328 set_address(&sa_info, dev->dev_addr); 1329 SelectPage(0); 1330 } 1331 1332 /**************** 1333 * Set or clear the multicast filter for this adaptor. 1334 * We can filter up to 9 addresses, if more are requested we set 1335 * multicast promiscuous mode. 1336 */ 1337 1338 static void 1339 set_multicast_list(struct net_device *dev) 1340 { 1341 unsigned int ioaddr = dev->base_addr; 1342 unsigned value; 1343 1344 SelectPage(0x42); 1345 value = GetByte(XIRCREG42_SWC1) & 0xC0; 1346 1347 if (dev->flags & IFF_PROMISC) { /* snoop */ 1348 PutByte(XIRCREG42_SWC1, value | 0x06); /* set MPE and PME */ 1349 } else if (netdev_mc_count(dev) > 9 || (dev->flags & IFF_ALLMULTI)) { 1350 PutByte(XIRCREG42_SWC1, value | 0x02); /* set MPE */ 1351 } else if (!netdev_mc_empty(dev)) { 1352 /* the chip can filter 9 addresses perfectly */ 1353 PutByte(XIRCREG42_SWC1, value | 0x01); 1354 SelectPage(0x40); 1355 PutByte(XIRCREG40_CMD0, Offline); 1356 set_addresses(dev); 1357 SelectPage(0x40); 1358 PutByte(XIRCREG40_CMD0, EnableRecv | Online); 1359 } else { /* standard usage */ 1360 PutByte(XIRCREG42_SWC1, value | 0x00); 1361 } 1362 SelectPage(0); 1363 } 1364 1365 static int 1366 do_config(struct net_device *dev, struct ifmap *map) 1367 { 1368 local_info_t *local = netdev_priv(dev); 1369 1370 pr_debug("do_config(%p)\n", dev); 1371 if (map->port != 255 && map->port != dev->if_port) { 1372 if (map->port > 4) 1373 return -EINVAL; 1374 if (!map->port) { 1375 local->probe_port = 1; 1376 dev->if_port = 1; 1377 } else { 1378 local->probe_port = 0; 1379 dev->if_port = map->port; 1380 } 1381 netdev_info(dev, "switching to %s port\n", if_names[dev->if_port]); 1382 do_reset(dev,1); /* not the fine way :-) */ 1383 } 1384 return 0; 1385 } 1386 1387 /**************** 1388 * Open the driver 1389 */ 1390 static int 1391 do_open(struct net_device *dev) 1392 { 1393 local_info_t *lp = netdev_priv(dev); 1394 struct pcmcia_device *link = lp->p_dev; 1395 1396 dev_dbg(&link->dev, "do_open(%p)\n", dev); 1397 1398 /* Check that the PCMCIA card is still here. */ 1399 /* Physical device present signature. */ 1400 if (!pcmcia_dev_present(link)) 1401 return -ENODEV; 1402 1403 /* okay */ 1404 link->open++; 1405 1406 netif_start_queue(dev); 1407 do_reset(dev,1); 1408 1409 return 0; 1410 } 1411 1412 static void netdev_get_drvinfo(struct net_device *dev, 1413 struct ethtool_drvinfo *info) 1414 { 1415 strlcpy(info->driver, "xirc2ps_cs", sizeof(info->driver)); 1416 sprintf(info->bus_info, "PCMCIA 0x%lx", dev->base_addr); 1417 } 1418 1419 static const struct ethtool_ops netdev_ethtool_ops = { 1420 .get_drvinfo = netdev_get_drvinfo, 1421 }; 1422 1423 static int 1424 do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) 1425 { 1426 local_info_t *local = netdev_priv(dev); 1427 unsigned int ioaddr = dev->base_addr; 1428 struct mii_ioctl_data *data = if_mii(rq); 1429 1430 pr_debug("%s: ioctl(%-.6s, %#04x) %04x %04x %04x %04x\n", 1431 dev->name, rq->ifr_ifrn.ifrn_name, cmd, 1432 data->phy_id, data->reg_num, data->val_in, data->val_out); 1433 1434 if (!local->mohawk) 1435 return -EOPNOTSUPP; 1436 1437 switch(cmd) { 1438 case SIOCGMIIPHY: /* Get the address of the PHY in use. */ 1439 data->phy_id = 0; /* we have only this address */ 1440 /* fall through */ 1441 case SIOCGMIIREG: /* Read the specified MII register. */ 1442 data->val_out = mii_rd(ioaddr, data->phy_id & 0x1f, 1443 data->reg_num & 0x1f); 1444 break; 1445 case SIOCSMIIREG: /* Write the specified MII register */ 1446 mii_wr(ioaddr, data->phy_id & 0x1f, data->reg_num & 0x1f, data->val_in, 1447 16); 1448 break; 1449 default: 1450 return -EOPNOTSUPP; 1451 } 1452 return 0; 1453 } 1454 1455 static void 1456 hardreset(struct net_device *dev) 1457 { 1458 local_info_t *local = netdev_priv(dev); 1459 unsigned int ioaddr = dev->base_addr; 1460 1461 SelectPage(4); 1462 udelay(1); 1463 PutByte(XIRCREG4_GPR1, 0); /* clear bit 0: power down */ 1464 msleep(40); /* wait 40 msec */ 1465 if (local->mohawk) 1466 PutByte(XIRCREG4_GPR1, 1); /* set bit 0: power up */ 1467 else 1468 PutByte(XIRCREG4_GPR1, 1 | 4); /* set bit 0: power up, bit 2: AIC */ 1469 msleep(20); /* wait 20 msec */ 1470 } 1471 1472 static void 1473 do_reset(struct net_device *dev, int full) 1474 { 1475 local_info_t *local = netdev_priv(dev); 1476 unsigned int ioaddr = dev->base_addr; 1477 unsigned value; 1478 1479 pr_debug("%s: do_reset(%p,%d)\n", dev? dev->name:"eth?", dev, full); 1480 1481 hardreset(dev); 1482 PutByte(XIRCREG_CR, SoftReset); /* set */ 1483 msleep(20); /* wait 20 msec */ 1484 PutByte(XIRCREG_CR, 0); /* clear */ 1485 msleep(40); /* wait 40 msec */ 1486 if (local->mohawk) { 1487 SelectPage(4); 1488 /* set pin GP1 and GP2 to output (0x0c) 1489 * set GP1 to low to power up the ML6692 (0x00) 1490 * set GP2 to high to power up the 10Mhz chip (0x02) 1491 */ 1492 PutByte(XIRCREG4_GPR0, 0x0e); 1493 } 1494 1495 /* give the circuits some time to power up */ 1496 msleep(500); /* about 500ms */ 1497 1498 local->last_ptr_value = 0; 1499 local->silicon = local->mohawk ? (GetByte(XIRCREG4_BOV) & 0x70) >> 4 1500 : (GetByte(XIRCREG4_BOV) & 0x30) >> 4; 1501 1502 if (local->probe_port) { 1503 if (!local->mohawk) { 1504 SelectPage(4); 1505 PutByte(XIRCREG4_GPR0, 4); 1506 local->probe_port = 0; 1507 } 1508 } else if (dev->if_port == 2) { /* enable 10Base2 */ 1509 SelectPage(0x42); 1510 PutByte(XIRCREG42_SWC1, 0xC0); 1511 } else { /* enable 10BaseT */ 1512 SelectPage(0x42); 1513 PutByte(XIRCREG42_SWC1, 0x80); 1514 } 1515 msleep(40); /* wait 40 msec to let it complete */ 1516 1517 #if 0 1518 { 1519 SelectPage(0); 1520 value = GetByte(XIRCREG_ESR); /* read the ESR */ 1521 pr_debug("%s: ESR is: %#02x\n", dev->name, value); 1522 } 1523 #endif 1524 1525 /* setup the ECR */ 1526 SelectPage(1); 1527 PutByte(XIRCREG1_IMR0, 0xff); /* allow all ints */ 1528 PutByte(XIRCREG1_IMR1, 1 ); /* and Set TxUnderrunDetect */ 1529 value = GetByte(XIRCREG1_ECR); 1530 #if 0 1531 if (local->mohawk) 1532 value |= DisableLinkPulse; 1533 PutByte(XIRCREG1_ECR, value); 1534 #endif 1535 pr_debug("%s: ECR is: %#02x\n", dev->name, value); 1536 1537 SelectPage(0x42); 1538 PutByte(XIRCREG42_SWC0, 0x20); /* disable source insertion */ 1539 1540 if (local->silicon != 1) { 1541 /* set the local memory dividing line. 1542 * The comments in the sample code say that this is only 1543 * settable with the scipper version 2 which is revision 0. 1544 * Always for CE3 cards 1545 */ 1546 SelectPage(2); 1547 PutWord(XIRCREG2_RBS, 0x2000); 1548 } 1549 1550 if (full) 1551 set_addresses(dev); 1552 1553 /* Hardware workaround: 1554 * The receive byte pointer after reset is off by 1 so we need 1555 * to move the offset pointer back to 0. 1556 */ 1557 SelectPage(0); 1558 PutWord(XIRCREG0_DO, 0x2000); /* change offset command, off=0 */ 1559 1560 /* setup MAC IMRs and clear status registers */ 1561 SelectPage(0x40); /* Bit 7 ... bit 0 */ 1562 PutByte(XIRCREG40_RMASK0, 0xff); /* ROK, RAB, rsv, RO, CRC, AE, PTL, MP */ 1563 PutByte(XIRCREG40_TMASK0, 0xff); /* TOK, TAB, SQE, LL, TU, JAB, EXC, CRS */ 1564 PutByte(XIRCREG40_TMASK1, 0xb0); /* rsv, rsv, PTD, EXT, rsv,rsv,rsv, rsv*/ 1565 PutByte(XIRCREG40_RXST0, 0x00); /* ROK, RAB, REN, RO, CRC, AE, PTL, MP */ 1566 PutByte(XIRCREG40_TXST0, 0x00); /* TOK, TAB, SQE, LL, TU, JAB, EXC, CRS */ 1567 PutByte(XIRCREG40_TXST1, 0x00); /* TEN, rsv, PTD, EXT, retry_counter:4 */ 1568 1569 if (full && local->mohawk && init_mii(dev)) { 1570 if (dev->if_port == 4 || local->dingo || local->new_mii) { 1571 netdev_info(dev, "MII selected\n"); 1572 SelectPage(2); 1573 PutByte(XIRCREG2_MSR, GetByte(XIRCREG2_MSR) | 0x08); 1574 msleep(20); 1575 } else { 1576 netdev_info(dev, "MII detected; using 10mbs\n"); 1577 SelectPage(0x42); 1578 if (dev->if_port == 2) /* enable 10Base2 */ 1579 PutByte(XIRCREG42_SWC1, 0xC0); 1580 else /* enable 10BaseT */ 1581 PutByte(XIRCREG42_SWC1, 0x80); 1582 msleep(40); /* wait 40 msec to let it complete */ 1583 } 1584 if (full_duplex) 1585 PutByte(XIRCREG1_ECR, GetByte(XIRCREG1_ECR | FullDuplex)); 1586 } else { /* No MII */ 1587 SelectPage(0); 1588 value = GetByte(XIRCREG_ESR); /* read the ESR */ 1589 dev->if_port = (value & MediaSelect) ? 1 : 2; 1590 } 1591 1592 /* configure the LEDs */ 1593 SelectPage(2); 1594 if (dev->if_port == 1 || dev->if_port == 4) /* TP: Link and Activity */ 1595 PutByte(XIRCREG2_LED, 0x3b); 1596 else /* Coax: Not-Collision and Activity */ 1597 PutByte(XIRCREG2_LED, 0x3a); 1598 1599 if (local->dingo) 1600 PutByte(0x0b, 0x04); /* 100 Mbit LED */ 1601 1602 /* enable receiver and put the mac online */ 1603 if (full) { 1604 set_multicast_list(dev); 1605 SelectPage(0x40); 1606 PutByte(XIRCREG40_CMD0, EnableRecv | Online); 1607 } 1608 1609 /* setup Ethernet IMR and enable interrupts */ 1610 SelectPage(1); 1611 PutByte(XIRCREG1_IMR0, 0xff); 1612 udelay(1); 1613 SelectPage(0); 1614 PutByte(XIRCREG_CR, EnableIntr); 1615 if (local->modem && !local->dingo) { /* do some magic */ 1616 if (!(GetByte(0x10) & 0x01)) 1617 PutByte(0x10, 0x11); /* unmask master-int bit */ 1618 } 1619 1620 if (full) 1621 netdev_info(dev, "media %s, silicon revision %d\n", 1622 if_names[dev->if_port], local->silicon); 1623 /* We should switch back to page 0 to avoid a bug in revision 0 1624 * where regs with offset below 8 can't be read after an access 1625 * to the MAC registers */ 1626 SelectPage(0); 1627 } 1628 1629 /**************** 1630 * Initialize the Media-Independent-Interface 1631 * Returns: True if we have a good MII 1632 */ 1633 static int 1634 init_mii(struct net_device *dev) 1635 { 1636 local_info_t *local = netdev_priv(dev); 1637 unsigned int ioaddr = dev->base_addr; 1638 unsigned control, status, linkpartner; 1639 int i; 1640 1641 if (if_port == 4 || if_port == 1) { /* force 100BaseT or 10BaseT */ 1642 dev->if_port = if_port; 1643 local->probe_port = 0; 1644 return 1; 1645 } 1646 1647 status = mii_rd(ioaddr, 0, 1); 1648 if ((status & 0xff00) != 0x7800) 1649 return 0; /* No MII */ 1650 1651 local->new_mii = (mii_rd(ioaddr, 0, 2) != 0xffff); 1652 1653 if (local->probe_port) 1654 control = 0x1000; /* auto neg */ 1655 else if (dev->if_port == 4) 1656 control = 0x2000; /* no auto neg, 100mbs mode */ 1657 else 1658 control = 0x0000; /* no auto neg, 10mbs mode */ 1659 mii_wr(ioaddr, 0, 0, control, 16); 1660 udelay(100); 1661 control = mii_rd(ioaddr, 0, 0); 1662 1663 if (control & 0x0400) { 1664 netdev_notice(dev, "can't take PHY out of isolation mode\n"); 1665 local->probe_port = 0; 1666 return 0; 1667 } 1668 1669 if (local->probe_port) { 1670 /* according to the DP83840A specs the auto negotiation process 1671 * may take up to 3.5 sec, so we use this also for our ML6692 1672 * Fixme: Better to use a timer here! 1673 */ 1674 for (i=0; i < 35; i++) { 1675 msleep(100); /* wait 100 msec */ 1676 status = mii_rd(ioaddr, 0, 1); 1677 if ((status & 0x0020) && (status & 0x0004)) 1678 break; 1679 } 1680 1681 if (!(status & 0x0020)) { 1682 netdev_info(dev, "autonegotiation failed; using 10mbs\n"); 1683 if (!local->new_mii) { 1684 control = 0x0000; 1685 mii_wr(ioaddr, 0, 0, control, 16); 1686 udelay(100); 1687 SelectPage(0); 1688 dev->if_port = (GetByte(XIRCREG_ESR) & MediaSelect) ? 1 : 2; 1689 } 1690 } else { 1691 linkpartner = mii_rd(ioaddr, 0, 5); 1692 netdev_info(dev, "MII link partner: %04x\n", linkpartner); 1693 if (linkpartner & 0x0080) { 1694 dev->if_port = 4; 1695 } else 1696 dev->if_port = 1; 1697 } 1698 } 1699 1700 return 1; 1701 } 1702 1703 static void 1704 do_powerdown(struct net_device *dev) 1705 { 1706 1707 unsigned int ioaddr = dev->base_addr; 1708 1709 pr_debug("do_powerdown(%p)\n", dev); 1710 1711 SelectPage(4); 1712 PutByte(XIRCREG4_GPR1, 0); /* clear bit 0: power down */ 1713 SelectPage(0); 1714 } 1715 1716 static int 1717 do_stop(struct net_device *dev) 1718 { 1719 unsigned int ioaddr = dev->base_addr; 1720 local_info_t *lp = netdev_priv(dev); 1721 struct pcmcia_device *link = lp->p_dev; 1722 1723 dev_dbg(&link->dev, "do_stop(%p)\n", dev); 1724 1725 if (!link) 1726 return -ENODEV; 1727 1728 netif_stop_queue(dev); 1729 1730 SelectPage(0); 1731 PutByte(XIRCREG_CR, 0); /* disable interrupts */ 1732 SelectPage(0x01); 1733 PutByte(XIRCREG1_IMR0, 0x00); /* forbid all ints */ 1734 SelectPage(4); 1735 PutByte(XIRCREG4_GPR1, 0); /* clear bit 0: power down */ 1736 SelectPage(0); 1737 1738 link->open--; 1739 return 0; 1740 } 1741 1742 static const struct pcmcia_device_id xirc2ps_ids[] = { 1743 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0089, 0x110a), 1744 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0138, 0x110a), 1745 PCMCIA_PFC_DEVICE_PROD_ID13(0, "Xircom", "CEM28", 0x2e3ee845, 0x0ea978ea), 1746 PCMCIA_PFC_DEVICE_PROD_ID13(0, "Xircom", "CEM33", 0x2e3ee845, 0x80609023), 1747 PCMCIA_PFC_DEVICE_PROD_ID13(0, "Xircom", "CEM56", 0x2e3ee845, 0xa650c32a), 1748 PCMCIA_PFC_DEVICE_PROD_ID13(0, "Xircom", "REM10", 0x2e3ee845, 0x76df1d29), 1749 PCMCIA_PFC_DEVICE_PROD_ID13(0, "Xircom", "XEM5600", 0x2e3ee845, 0xf1403719), 1750 PCMCIA_PFC_DEVICE_PROD_ID12(0, "Xircom", "CreditCard Ethernet+Modem II", 0x2e3ee845, 0xeca401bf), 1751 PCMCIA_DEVICE_MANF_CARD(0x01bf, 0x010a), 1752 PCMCIA_DEVICE_PROD_ID13("Toshiba Information Systems", "TPCENET", 0x1b3b94fe, 0xf381c1a2), 1753 PCMCIA_DEVICE_PROD_ID13("Xircom", "CE3-10/100", 0x2e3ee845, 0x0ec0ac37), 1754 PCMCIA_DEVICE_PROD_ID13("Xircom", "PS-CE2-10", 0x2e3ee845, 0x947d9073), 1755 PCMCIA_DEVICE_PROD_ID13("Xircom", "R2E-100BTX", 0x2e3ee845, 0x2464a6e3), 1756 PCMCIA_DEVICE_PROD_ID13("Xircom", "RE-10", 0x2e3ee845, 0x3e08d609), 1757 PCMCIA_DEVICE_PROD_ID13("Xircom", "XE2000", 0x2e3ee845, 0xf7188e46), 1758 PCMCIA_DEVICE_PROD_ID12("Compaq", "Ethernet LAN Card", 0x54f7c49c, 0x9fd2f0a2), 1759 PCMCIA_DEVICE_PROD_ID12("Compaq", "Netelligent 10/100 PC Card", 0x54f7c49c, 0xefe96769), 1760 PCMCIA_DEVICE_PROD_ID12("Intel", "EtherExpress(TM) PRO/100 PC Card Mobile Adapter16", 0x816cc815, 0x174397db), 1761 PCMCIA_DEVICE_PROD_ID12("Toshiba", "10/100 Ethernet PC Card", 0x44a09d9c, 0xb44deecf), 1762 /* also matches CFE-10 cards! */ 1763 /* PCMCIA_DEVICE_MANF_CARD(0x0105, 0x010a), */ 1764 PCMCIA_DEVICE_NULL, 1765 }; 1766 MODULE_DEVICE_TABLE(pcmcia, xirc2ps_ids); 1767 1768 1769 static struct pcmcia_driver xirc2ps_cs_driver = { 1770 .owner = THIS_MODULE, 1771 .name = "xirc2ps_cs", 1772 .probe = xirc2ps_probe, 1773 .remove = xirc2ps_detach, 1774 .id_table = xirc2ps_ids, 1775 .suspend = xirc2ps_suspend, 1776 .resume = xirc2ps_resume, 1777 }; 1778 1779 static int __init 1780 init_xirc2ps_cs(void) 1781 { 1782 return pcmcia_register_driver(&xirc2ps_cs_driver); 1783 } 1784 1785 static void __exit 1786 exit_xirc2ps_cs(void) 1787 { 1788 pcmcia_unregister_driver(&xirc2ps_cs_driver); 1789 } 1790 1791 module_init(init_xirc2ps_cs); 1792 module_exit(exit_xirc2ps_cs); 1793 1794 #ifndef MODULE 1795 static int __init setup_xirc2ps_cs(char *str) 1796 { 1797 /* if_port, full_duplex, do_sound, lockup_hack 1798 */ 1799 int ints[10] = { -1 }; 1800 1801 str = get_options(str, 9, ints); 1802 1803 #define MAYBE_SET(X,Y) if (ints[0] >= Y && ints[Y] != -1) { X = ints[Y]; } 1804 MAYBE_SET(if_port, 3); 1805 MAYBE_SET(full_duplex, 4); 1806 MAYBE_SET(do_sound, 5); 1807 MAYBE_SET(lockup_hack, 6); 1808 #undef MAYBE_SET 1809 1810 return 1; 1811 } 1812 1813 __setup("xirc2ps_cs=", setup_xirc2ps_cs); 1814 #endif 1815