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pcmcia: re-work pcmcia_request_irq()
[deliverable/linux.git] / drivers / net / pcmcia / xirc2ps_cs.c
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1da177e4
LT		 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#include <linux/module.h>
67#include <linux/kernel.h>
68#include <linux/init.h>
69#include <linux/ptrace.h>
70#include <linux/slab.h>
71#include <linux/string.h>
72#include <linux/timer.h>
73#include <linux/interrupt.h>
74#include <linux/in.h>
75#include <linux/delay.h>
76#include <linux/ethtool.h>
77#include <linux/netdevice.h>
78#include <linux/etherdevice.h>
79#include <linux/skbuff.h>
80#include <linux/if_arp.h>
81#include <linux/ioport.h>
82#include <linux/bitops.h>
0fa0ee05 83#include <linux/mii.h>
1da177e4 84
1da177e4
LT		 85#include <pcmcia/cs_types.h>
86#include <pcmcia/cs.h>
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) */
111enum 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) */
121enum 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 */
131enum 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) */
146enum 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 */
157enum 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) */
186enum 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
f71e1309 212static const char *if_names[] = { "Auto", "10BaseT", "10Base2", "AUI", "100BaseT" };
1da177e4 213
1da177e4
LT		 214
215#define KDBG_XIRC KERN_DEBUG "xirc2ps_cs: "
216#define KERR_XIRC KERN_ERR "xirc2ps_cs: "
217#define KWRN_XIRC KERN_WARNING "xirc2ps_cs: "
218#define KNOT_XIRC KERN_NOTICE "xirc2ps_cs: "
219#define KINF_XIRC KERN_INFO "xirc2ps_cs: "
220
221/* card types */
222#define XIR_UNKNOWN 0 /* unknown: not supported */
223#define XIR_CE 1 /* (prodid 1) different hardware: not supported */
224#define XIR_CE2 2 /* (prodid 2) */
225#define XIR_CE3 3 /* (prodid 3) */
226#define XIR_CEM 4 /* (prodid 1) different hardware: not supported */
227#define XIR_CEM2 5 /* (prodid 2) */
228#define XIR_CEM3 6 /* (prodid 3) */
229#define XIR_CEM33 7 /* (prodid 4) */
230#define XIR_CEM56M 8 /* (prodid 5) */
231#define XIR_CEM56 9 /* (prodid 6) */
232#define XIR_CM28 10 /* (prodid 3) modem only: not supported here */
233#define XIR_CM33 11 /* (prodid 4) modem only: not supported here */
234#define XIR_CM56 12 /* (prodid 5) modem only: not supported here */
235#define XIR_CG 13 /* (prodid 1) GSM modem only: not supported */
236#define XIR_CBE 14 /* (prodid 1) cardbus ethernet: not supported */
237/*====================================================================*/
238
239/* Module parameters */
240
241MODULE_DESCRIPTION("Xircom PCMCIA ethernet driver");
242MODULE_LICENSE("Dual MPL/GPL");
243
244#define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0)
245
246INT_MODULE_PARM(if_port, 0);
247INT_MODULE_PARM(full_duplex, 0);
248INT_MODULE_PARM(do_sound, 1);
249INT_MODULE_PARM(lockup_hack, 0); /* anti lockup hack */
250
251/*====================================================================*/
252
253/* We do not process more than these number of bytes during one
254 * interrupt. (Of course we receive complete packets, so this is not
255 * an exact value).
256 * Something between 2000..22000; first value gives best interrupt latency,
257 * the second enables the usage of the complete on-chip buffer. We use the
258 * high value as the initial value.
259 */
260static unsigned maxrx_bytes = 22000;
261
262/* MII management prototypes */
906da809
OJ		 263static void mii_idle(unsigned int ioaddr);
264static void mii_putbit(unsigned int ioaddr, unsigned data);
265static int mii_getbit(unsigned int ioaddr);
266static void mii_wbits(unsigned int ioaddr, unsigned data, int len);
267static unsigned mii_rd(unsigned int ioaddr, u_char phyaddr, u_char phyreg);
268static void mii_wr(unsigned int ioaddr, u_char phyaddr, u_char phyreg,
1da177e4
LT		 269 unsigned data, int len);
270
271/*
272 * The event() function is this driver's Card Services event handler.
273 * It will be called by Card Services when an appropriate card status
274 * event is received. The config() and release() entry points are
275 * used to configure or release a socket, in response to card insertion
276 * and ejection events. They are invoked from the event handler.
277 */
278
fba395ee 279static int has_ce2_string(struct pcmcia_device * link);
15b99ac1 280static int xirc2ps_config(struct pcmcia_device * link);
fba395ee 281static void xirc2ps_release(struct pcmcia_device * link);
1da177e4
LT		 282
283/****************
284 * The attach() and detach() entry points are used to create and destroy
285 * "instances" of the driver, where each instance represents everything
286 * needed to manage one actual PCMCIA card.
287 */
288
cc3b4866 289static void xirc2ps_detach(struct pcmcia_device *p_dev);
1da177e4
LT		 290
291/****************
292 * You'll also need to prototype all the functions that will actually
293 * be used to talk to your device. See 'pcmem_cs' for a good example
294 * of a fully self-sufficient driver; the other drivers rely more or
295 * less on other parts of the kernel.
296 */
297
7d12e780 298static irqreturn_t xirc2ps_interrupt(int irq, void *dev_id);
1da177e4 299
1da177e4
LT		 300/****************
301 * A linked list of "instances" of the device. Each actual
302 * PCMCIA card corresponds to one device instance, and is described
fba395ee 303 * by one struct pcmcia_device structure (defined in ds.h).
1da177e4
LT		 304 *
305 * You may not want to use a linked list for this -- for example, the
fba395ee 306 * memory card driver uses an array of struct pcmcia_device pointers, where minor
1da177e4
LT		 307 * device numbers are used to derive the corresponding array index.
308 */
309
1da177e4 310/****************
1da177e4
LT		 311 * A driver needs to provide a dev_node_t structure for each device
312 * on a card. In some cases, there is only one device per card (for
313 * example, ethernet cards, modems). In other cases, there may be
314 * many actual or logical devices (SCSI adapters, memory cards with
315 * multiple partitions). The dev_node_t structures need to be kept
fba395ee 316 * in a linked list starting at the 'dev' field of a struct pcmcia_device
1da177e4
LT		 317 * structure. We allocate them in the card's private data structure,
318 * because they generally can't be allocated dynamically.
319 */
320
321typedef struct local_info_t {
c4028958 322 struct net_device *dev;
fd238232 323 struct pcmcia_device *p_dev;
1da177e4 324 dev_node_t node;
6394d7c9 325
1da177e4
LT		 326 int card_type;
327 int probe_port;
328 int silicon; /* silicon revision. 0=old CE2, 1=Scipper, 4=Mohawk */
329 int mohawk; /* a CE3 type card */
330 int dingo; /* a CEM56 type card */
331 int new_mii; /* has full 10baseT/100baseT MII */
332 int modem; /* is a multi function card (i.e with a modem) */
333 void __iomem *dingo_ccr; /* only used for CEM56 cards */
334 unsigned last_ptr_value; /* last packets transmitted value */
335 const char *manf_str;
9a469abe 336 struct work_struct tx_timeout_task;
1da177e4
LT		 337} local_info_t;
338
339/****************
340 * Some more prototypes
341 */
dbf02fae
SH		 342static netdev_tx_t do_start_xmit(struct sk_buff *skb,
343 struct net_device *dev);
ed4cb133 344static void xirc_tx_timeout(struct net_device *dev);
c4028958 345static void xirc2ps_tx_timeout_task(struct work_struct *work);
1da177e4
LT		 346static void set_addresses(struct net_device *dev);
347static void set_multicast_list(struct net_device *dev);
dddfbd82 348static int set_card_type(struct pcmcia_device *link);
1da177e4
LT		 349static int do_config(struct net_device *dev, struct ifmap *map);
350static int do_open(struct net_device *dev);
351static int do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
7282d491 352static const struct ethtool_ops netdev_ethtool_ops;
1da177e4
LT		 353static void hardreset(struct net_device *dev);
354static void do_reset(struct net_device *dev, int full);
355static int init_mii(struct net_device *dev);
356static void do_powerdown(struct net_device *dev);
357static int do_stop(struct net_device *dev);
358
359/*=============== Helper functions =========================*/
1da177e4
LT		 360#define SelectPage(pgnr) outb((pgnr), ioaddr + XIRCREG_PR)
361#define GetByte(reg) ((unsigned)inb(ioaddr + (reg)))
362#define GetWord(reg) ((unsigned)inw(ioaddr + (reg)))
363#define PutByte(reg,value) outb((value), ioaddr+(reg))
364#define PutWord(reg,value) outw((value), ioaddr+(reg))
365
366/*====== Functions used for debugging =================================*/
dd0fab5b 367#if 0 /* reading regs may change system status */
1da177e4
LT		 368static void
369PrintRegisters(struct net_device *dev)
370{
906da809 371 unsigned int ioaddr = dev->base_addr;
1da177e4
LT		 372
373 if (pc_debug > 1) {
374 int i, page;
375
376 printk(KDBG_XIRC "Register common: ");
377 for (i = 0; i < 8; i++)
378 printk(" %2.2x", GetByte(i));
379 printk("\n");
380 for (page = 0; page <= 8; page++) {
381 printk(KDBG_XIRC "Register page %2x: ", page);
382 SelectPage(page);
383 for (i = 8; i < 16; i++)
384 printk(" %2.2x", GetByte(i));
385 printk("\n");
386 }
387 for (page=0x40 ; page <= 0x5f; page++) {
8e95a202
JP		 388 if (page == 0x43 || (page >= 0x46 && page <= 0x4f) ||
389 (page >= 0x51 && page <=0x5e))
390 continue;
1da177e4
LT		 391 printk(KDBG_XIRC "Register page %2x: ", page);
392 SelectPage(page);
393 for (i = 8; i < 16; i++)
394 printk(" %2.2x", GetByte(i));
395 printk("\n");
396 }
397 }
398}
dd0fab5b 399#endif /* 0 */
1da177e4
LT		 400
401/*============== MII Management functions ===============*/
402
403/****************
404 * Turn around for read
405 */
406static void
906da809 407mii_idle(unsigned int ioaddr)
1da177e4
LT		 408{
409 PutByte(XIRCREG2_GPR2, 0x04|0); /* drive MDCK low */
410 udelay(1);
411 PutByte(XIRCREG2_GPR2, 0x04|1); /* and drive MDCK high */
412 udelay(1);
413}
414
415/****************
416 * Write a bit to MDI/O
417 */
418static void
906da809 419mii_putbit(unsigned int ioaddr, unsigned data)
1da177e4
LT		 420{
421 #if 1
422 if (data) {
423 PutByte(XIRCREG2_GPR2, 0x0c|2|0); /* set MDIO */
424 udelay(1);
425 PutByte(XIRCREG2_GPR2, 0x0c|2|1); /* and drive MDCK high */
426 udelay(1);
427 } else {
428 PutByte(XIRCREG2_GPR2, 0x0c|0|0); /* clear MDIO */
429 udelay(1);
430 PutByte(XIRCREG2_GPR2, 0x0c|0|1); /* and drive MDCK high */
431 udelay(1);
432 }
433 #else
434 if (data) {
435 PutWord(XIRCREG2_GPR2-1, 0x0e0e);
436 udelay(1);
437 PutWord(XIRCREG2_GPR2-1, 0x0f0f);
438 udelay(1);
439 } else {
440 PutWord(XIRCREG2_GPR2-1, 0x0c0c);
441 udelay(1);
442 PutWord(XIRCREG2_GPR2-1, 0x0d0d);
443 udelay(1);
444 }
445 #endif
446}
447
448/****************
449 * Get a bit from MDI/O
450 */
451static int
906da809 452mii_getbit(unsigned int ioaddr)
1da177e4
LT		 453{
454 unsigned d;
455
456 PutByte(XIRCREG2_GPR2, 4|0); /* drive MDCK low */
457 udelay(1);
458 d = GetByte(XIRCREG2_GPR2); /* read MDIO */
459 PutByte(XIRCREG2_GPR2, 4|1); /* drive MDCK high again */
460 udelay(1);
461 return d & 0x20; /* read MDIO */
462}
463
464static void
906da809 465mii_wbits(unsigned int ioaddr, unsigned data, int len)
1da177e4
LT		 466{
467 unsigned m = 1 << (len-1);
468 for (; m; m >>= 1)
469 mii_putbit(ioaddr, data & m);
470}
471
472static unsigned
906da809 473mii_rd(unsigned int ioaddr, u_char phyaddr, u_char phyreg)
1da177e4
LT		 474{
475 int i;
476 unsigned data=0, m;
477
478 SelectPage(2);
479 for (i=0; i < 32; i++) /* 32 bit preamble */
480 mii_putbit(ioaddr, 1);
481 mii_wbits(ioaddr, 0x06, 4); /* Start and opcode for read */
482 mii_wbits(ioaddr, phyaddr, 5); /* PHY address to be accessed */
483 mii_wbits(ioaddr, phyreg, 5); /* PHY register to read */
484 mii_idle(ioaddr); /* turn around */
485 mii_getbit(ioaddr);
486
487 for (m = 1<<15; m; m >>= 1)
488 if (mii_getbit(ioaddr))
489 data |= m;
490 mii_idle(ioaddr);
491 return data;
492}
493
494static void
906da809
OJ		 495mii_wr(unsigned int ioaddr, u_char phyaddr, u_char phyreg, unsigned data,
496 int len)
1da177e4
LT		 497{
498 int i;
499
500 SelectPage(2);
501 for (i=0; i < 32; i++) /* 32 bit preamble */
502 mii_putbit(ioaddr, 1);
503 mii_wbits(ioaddr, 0x05, 4); /* Start and opcode for write */
504 mii_wbits(ioaddr, phyaddr, 5); /* PHY address to be accessed */
505 mii_wbits(ioaddr, phyreg, 5); /* PHY Register to write */
506 mii_putbit(ioaddr, 1); /* turn around */
507 mii_putbit(ioaddr, 0);
508 mii_wbits(ioaddr, data, len); /* And write the data */
509 mii_idle(ioaddr);
510}
511
512/*============= Main bulk of functions =========================*/
513
0cd6e828
SH		 514static const struct net_device_ops netdev_ops = {
515 .ndo_open = do_open,
516 .ndo_stop = do_stop,
517 .ndo_start_xmit = do_start_xmit,
518 .ndo_tx_timeout = xirc_tx_timeout,
519 .ndo_set_config = do_config,
520 .ndo_do_ioctl = do_ioctl,
521 .ndo_set_multicast_list = set_multicast_list,
522 .ndo_change_mtu = eth_change_mtu,
523 .ndo_set_mac_address = eth_mac_addr,
524 .ndo_validate_addr = eth_validate_addr,
525};
526
1da177e4
LT		 527/****************
528 * xirc2ps_attach() creates an "instance" of the driver, allocating
529 * local data structures for one device. The device is registered
530 * with Card Services.
531 *
532 * The dev_link structure is initialized, but we don't actually
533 * configure the card at this point -- we wait until we receive a
534 * card insertion event.
535 */
536
f8cfa618 537static int
15b99ac1 538xirc2ps_probe(struct pcmcia_device *link)
1da177e4 539{
1da177e4
LT		 540 struct net_device *dev;
541 local_info_t *local;
1da177e4 542
dd0fab5b 543 dev_dbg(&link->dev, "attach()\n");
1da177e4
LT		 544
545 /* Allocate the device structure */
546 dev = alloc_etherdev(sizeof(local_info_t));
547 if (!dev)
f8cfa618 548 return -ENOMEM;
1da177e4 549 local = netdev_priv(dev);
c4028958 550 local->dev = dev;
fba395ee 551 local->p_dev = link;
1da177e4
LT		 552 link->priv = dev;
553
554 /* General socket configuration */
555 link->conf.Attributes = CONF_ENABLE_IRQ;
1da177e4
LT		 556 link->conf.IntType = INT_MEMORY_AND_IO;
557 link->conf.ConfigIndex = 1;
1da177e4
LT		 558
559 /* Fill in card specific entries */
0cd6e828
SH		 560 dev->netdev_ops = &netdev_ops;
561 dev->ethtool_ops = &netdev_ethtool_ops;
1da177e4 562 dev->watchdog_timeo = TX_TIMEOUT;
c4028958 563 INIT_WORK(&local->tx_timeout_task, xirc2ps_tx_timeout_task);
1da177e4 564
15b99ac1 565 return xirc2ps_config(link);
1da177e4
LT		 566} /* xirc2ps_attach */
567
568/****************
569 * This deletes a driver "instance". The device is de-registered
570 * with Card Services. If it has been released, all local data
571 * structures are freed. Otherwise, the structures will be freed
572 * when the device is released.
573 */
574
575static void
fba395ee 576xirc2ps_detach(struct pcmcia_device *link)
1da177e4
LT		 577{
578 struct net_device *dev = link->priv;
1da177e4 579
dd0fab5b 580 dev_dbg(&link->dev, "detach\n");
1da177e4 581
fd238232 582 if (link->dev_node)
1da177e4
LT		 583 unregister_netdev(dev);
584
e2d40963 585 xirc2ps_release(link);
1da177e4 586
1da177e4
LT		 587 free_netdev(dev);
588} /* xirc2ps_detach */
589
590/****************
591 * Detect the type of the card. s is the buffer with the data of tuple 0x20
592 * Returns: 0 := not supported
593 * mediaid=11 and prodid=47
594 * Media-Id bits:
595 * Ethernet 0x01
596 * Tokenring 0x02
597 * Arcnet 0x04
598 * Wireless 0x08
599 * Modem 0x10
600 * GSM only 0x20
601 * Prod-Id bits:
602 * Pocket 0x10
603 * External 0x20
604 * Creditcard 0x40
605 * Cardbus 0x80
606 *
607 */
608static int
dddfbd82 609set_card_type(struct pcmcia_device *link)
1da177e4
LT		 610{
611 struct net_device *dev = link->priv;
612 local_info_t *local = netdev_priv(dev);
dddfbd82
DB		 613 u8 *buf;
614 unsigned int cisrev, mediaid, prodid;
615 size_t len;
616
617 len = pcmcia_get_tuple(link, CISTPL_MANFID, &buf);
618 if (len < 5) {
619 dev_err(&link->dev, "invalid CIS -- sorry\n");
620 return 0;
621 }
1da177e4 622
dddfbd82
DB		 623 cisrev = buf[2];
624 mediaid = buf[3];
625 prodid = buf[4];
1da177e4 626
dd0fab5b 627 dev_dbg(&link->dev, "cisrev=%02x mediaid=%02x prodid=%02x\n",
1da177e4
LT		 628 cisrev, mediaid, prodid);
629
630 local->mohawk = 0;
631 local->dingo = 0;
632 local->modem = 0;
633 local->card_type = XIR_UNKNOWN;
634 if (!(prodid & 0x40)) {
635 printk(KNOT_XIRC "Ooops: Not a creditcard\n");
636 return 0;
637 }
638 if (!(mediaid & 0x01)) {
639 printk(KNOT_XIRC "Not an Ethernet card\n");
640 return 0;
641 }
642 if (mediaid & 0x10) {
643 local->modem = 1;
644 switch(prodid & 15) {
645 case 1: local->card_type = XIR_CEM ; break;
646 case 2: local->card_type = XIR_CEM2 ; break;
647 case 3: local->card_type = XIR_CEM3 ; break;
648 case 4: local->card_type = XIR_CEM33 ; break;
649 case 5: local->card_type = XIR_CEM56M;
650 local->mohawk = 1;
651 break;
652 case 6:
653 case 7: /* 7 is the RealPort 10/56 */
654 local->card_type = XIR_CEM56 ;
655 local->mohawk = 1;
656 local->dingo = 1;
657 break;
658 }
659 } else {
660 switch(prodid & 15) {
661 case 1: local->card_type = has_ce2_string(link)? XIR_CE2 : XIR_CE ;
662 break;
663 case 2: local->card_type = XIR_CE2; break;
664 case 3: local->card_type = XIR_CE3;
665 local->mohawk = 1;
666 break;
667 }
668 }
669 if (local->card_type == XIR_CE || local->card_type == XIR_CEM) {
670 printk(KNOT_XIRC "Sorry, this is an old CE card\n");
671 return 0;
672 }
673 if (local->card_type == XIR_UNKNOWN)
674 printk(KNOT_XIRC "unknown card (mediaid=%02x prodid=%02x)\n",
675 mediaid, prodid);
676
677 return 1;
678}
679
680/****************
681 * There are some CE2 cards out which claim to be a CE card.
682 * This function looks for a "CE2" in the 3rd version field.
683 * Returns: true if this is a CE2
684 */
685static int
a9606fd3 686has_ce2_string(struct pcmcia_device * p_dev)
1da177e4 687{
a9606fd3
DB		 688 if (p_dev->prod_id[2] && strstr(p_dev->prod_id[2], "CE2"))
689 return 1;
690 return 0;
1da177e4
LT		 691}
692
b54bf94b
DB		 693static int
694xirc2ps_config_modem(struct pcmcia_device *p_dev,
695 cistpl_cftable_entry_t *cf,
8e2fc39d 696 cistpl_cftable_entry_t *dflt,
ad913c11 697 unsigned int vcc,
b54bf94b
DB		 698 void *priv_data)
699{
700 unsigned int ioaddr;
701
702 if (cf->io.nwin > 0 && (cf->io.win[0].base & 0xf) == 8) {
703 for (ioaddr = 0x300; ioaddr < 0x400; ioaddr += 0x10) {
b54bf94b
DB		 704 p_dev->io.BasePort2 = cf->io.win[0].base;
705 p_dev->io.BasePort1 = ioaddr;
706 if (!pcmcia_request_io(p_dev, &p_dev->io))
707 return 0;
708 }
709 }
710 return -ENODEV;
711}
712
713static int
714xirc2ps_config_check(struct pcmcia_device *p_dev,
715 cistpl_cftable_entry_t *cf,
8e2fc39d 716 cistpl_cftable_entry_t *dflt,
ad913c11 717 unsigned int vcc,
b54bf94b
DB		 718 void *priv_data)
719{
720 int *pass = priv_data;
721
722 if (cf->io.nwin > 0 && (cf->io.win[0].base & 0xf) == 8) {
b54bf94b
DB		 723 p_dev->io.BasePort2 = cf->io.win[0].base;
724 p_dev->io.BasePort1 = p_dev->io.BasePort2
725 + (*pass ? (cf->index & 0x20 ? -24:8)
726 : (cf->index & 0x20 ? 8:-24));
727 if (!pcmcia_request_io(p_dev, &p_dev->io))
728 return 0;
729 }
730 return -ENODEV;
731
732}
733
dddfbd82
DB		 734
735static int pcmcia_get_mac_ce(struct pcmcia_device *p_dev,
736 tuple_t *tuple,
737 void *priv)
738{
739 struct net_device *dev = priv;
740 int i;
741
742 if (tuple->TupleDataLen != 13)
743 return -EINVAL;
744 if ((tuple->TupleData[0] != 2) || (tuple->TupleData[1] != 1) ||
745 (tuple->TupleData[2] != 6))
746 return -EINVAL;
747 /* another try (James Lehmer's CE2 version 4.1)*/
748 for (i = 2; i < 6; i++)
749 dev->dev_addr[i] = tuple->TupleData[i+2];
750 return 0;
751};
752
753
1da177e4
LT		 754/****************
755 * xirc2ps_config() is scheduled to run after a CARD_INSERTION event
756 * is received, to configure the PCMCIA socket, and to make the
757 * ethernet device available to the system.
758 */
15b99ac1 759static int
fba395ee 760xirc2ps_config(struct pcmcia_device * link)
1da177e4 761{
1da177e4
LT		 762 struct net_device *dev = link->priv;
763 local_info_t *local = netdev_priv(dev);
b54bf94b 764 unsigned int ioaddr;
dddfbd82
DB		 765 int err;
766 u8 *buf;
767 size_t len;
1da177e4
LT		 768
769 local->dingo_ccr = NULL;
770
dd0fab5b 771 dev_dbg(&link->dev, "config\n");
1da177e4
LT		 772
773 /* Is this a valid card */
7d2e8d00 774 if (link->has_manf_id == 0) {
1da177e4
LT		 775 printk(KNOT_XIRC "manfid not found in CIS\n");
776 goto failure;
777 }
778
7d2e8d00 779 switch (link->manf_id) {
1da177e4
LT		 780 case MANFID_XIRCOM:
781 local->manf_str = "Xircom";
782 break;
783 case MANFID_ACCTON:
784 local->manf_str = "Accton";
785 break;
786 case MANFID_COMPAQ:
787 case MANFID_COMPAQ2:
788 local->manf_str = "Compaq";
789 break;
790 case MANFID_INTEL:
791 local->manf_str = "Intel";
792 break;
793 case MANFID_TOSHIBA:
794 local->manf_str = "Toshiba";
795 break;
796 default:
797 printk(KNOT_XIRC "Unknown Card Manufacturer ID: 0x%04x\n",
dddfbd82 798 (unsigned)link->manf_id);
1da177e4
LT		 799 goto failure;
800 }
dd0fab5b 801 dev_dbg(&link->dev, "found %s card\n", local->manf_str);
1da177e4 802
dddfbd82 803 if (!set_card_type(link)) {
1da177e4
LT		 804 printk(KNOT_XIRC "this card is not supported\n");
805 goto failure;
806 }
807
1da177e4 808 /* get the ethernet address from the CIS */
dddfbd82
DB		 809 err = pcmcia_get_mac_from_cis(link, dev);
810
811 /* not found: try to get the node-id from tuple 0x89 */
812 if (err) {
813 len = pcmcia_get_tuple(link, 0x89, &buf);
814 /* data layout looks like tuple 0x22 */
815 if (buf && len == 8) {
816 if (*buf == CISTPL_FUNCE_LAN_NODE_ID) {
817 int i;
818 for (i = 2; i < 6; i++)
819 dev->dev_addr[i] = buf[i+2];
820 } else
821 err = -1;
1da177e4 822 }
dddfbd82 823 kfree(buf);
1da177e4 824 }
dddfbd82
DB		 825
826 if (err)
827 err = pcmcia_loop_tuple(link, CISTPL_FUNCE, pcmcia_get_mac_ce, dev);
828
1da177e4
LT		 829 if (err) {
830 printk(KNOT_XIRC "node-id not found in CIS\n");
831 goto failure;
832 }
1da177e4 833
1da177e4
LT		 834 link->io.IOAddrLines =10;
835 link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
1da177e4
LT		 836 if (local->modem) {
837 int pass;
838
839 if (do_sound) {
840 link->conf.Attributes |= CONF_ENABLE_SPKR;
841 link->conf.Status |= CCSR_AUDIO_ENA;
842 }
1da177e4
LT		 843 link->io.NumPorts2 = 8;
844 link->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
845 if (local->dingo) {
846 /* Take the Modem IO port from the CIS and scan for a free
847 * Ethernet port */
848 link->io.NumPorts1 = 16; /* no Mako stuff anymore */
b54bf94b
DB		 849 if (!pcmcia_loop_config(link, xirc2ps_config_modem, NULL))
850 goto port_found;
1da177e4
LT		 851 } else {
852 link->io.NumPorts1 = 18;
853 /* We do 2 passes here: The first one uses the regular mapping and
854 * the second tries again, thereby considering that the 32 ports are
855 * mirrored every 32 bytes. Actually we use a mirrored port for
856 * the Mako if (on the first pass) the COR bit 5 is set.
857 */
b54bf94b
DB		 858 for (pass=0; pass < 2; pass++)
859 if (!pcmcia_loop_config(link, xirc2ps_config_check, &pass))
1da177e4 860 goto port_found;
1da177e4
LT		 861 /* if special option:
862 * try to configure as Ethernet only.
863 * .... */
864 }
865 printk(KNOT_XIRC "no ports available\n");
866 } else {
1da177e4
LT		 867 link->io.NumPorts1 = 16;
868 for (ioaddr = 0x300; ioaddr < 0x400; ioaddr += 0x10) {
869 link->io.BasePort1 = ioaddr;
fba395ee 870 if (!(err=pcmcia_request_io(link, &link->io)))
1da177e4
LT		 871 goto port_found;
872 }
873 link->io.BasePort1 = 0; /* let CS decide */
dd0fab5b 874 if ((err=pcmcia_request_io(link, &link->io)))
1da177e4 875 goto config_error;
1da177e4
LT		 876 }
877 port_found:
878 if (err)
879 goto config_error;
880
881 /****************
882 * Now allocate an interrupt line. Note that this does not
883 * actually assign a handler to the interrupt.
884 */
eb14120f 885 if ((err=pcmcia_request_irq(link, xirc2ps_interrupt)))
1da177e4 886 goto config_error;
1da177e4
LT		 887
888 /****************
889 * This actually configures the PCMCIA socket -- setting up
890 * the I/O windows and the interrupt mapping.
891 */
dd0fab5b 892 if ((err=pcmcia_request_configuration(link, &link->conf)))
1da177e4 893 goto config_error;
1da177e4
LT		 894
895 if (local->dingo) {
896 conf_reg_t reg;
897 win_req_t req;
898 memreq_t mem;
899
900 /* Reset the modem's BAR to the correct value
901 * This is necessary because in the RequestConfiguration call,
902 * the base address of the ethernet port (BasePort1) is written
903 * to the BAR registers of the modem.
904 */
905 reg.Action = CS_WRITE;
906 reg.Offset = CISREG_IOBASE_0;
907 reg.Value = link->io.BasePort2 & 0xff;
dd0fab5b 908 if ((err = pcmcia_access_configuration_register(link, &reg)))
1da177e4 909 goto config_error;
1da177e4
LT		 910 reg.Action = CS_WRITE;
911 reg.Offset = CISREG_IOBASE_1;
912 reg.Value = (link->io.BasePort2 >> 8) & 0xff;
dd0fab5b 913 if ((err = pcmcia_access_configuration_register(link, &reg)))
1da177e4 914 goto config_error;
1da177e4
LT		 915
916 /* There is no config entry for the Ethernet part which
917 * is at 0x0800. So we allocate a window into the attribute
918 * memory and write direct to the CIS registers
919 */
920 req.Attributes = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE;
921 req.Base = req.Size = 0;
922 req.AccessSpeed = 0;
6838b03f 923 if ((err = pcmcia_request_window(link, &req, &link->win)))
1da177e4 924 goto config_error;
dd0fab5b 925
1da177e4
LT		 926 local->dingo_ccr = ioremap(req.Base,0x1000) + 0x0800;
927 mem.CardOffset = 0x0;
928 mem.Page = 0;
868575d1 929 if ((err = pcmcia_map_mem_page(link, link->win, &mem)))
1da177e4 930 goto config_error;
1da177e4
LT		 931
932 /* Setup the CCRs; there are no infos in the CIS about the Ethernet
933 * part.
934 */
935 writeb(0x47, local->dingo_ccr + CISREG_COR);
936 ioaddr = link->io.BasePort1;
937 writeb(ioaddr & 0xff , local->dingo_ccr + CISREG_IOBASE_0);
938 writeb((ioaddr >> 8)&0xff , local->dingo_ccr + CISREG_IOBASE_1);
939
940 #if 0
941 {
942 u_char tmp;
943 printk(KERN_INFO "ECOR:");
944 for (i=0; i < 7; i++) {
945 tmp = readb(local->dingo_ccr + i*2);
946 printk(" %02x", tmp);
947 }
948 printk("\n");
949 printk(KERN_INFO "DCOR:");
950 for (i=0; i < 4; i++) {
951 tmp = readb(local->dingo_ccr + 0x20 + i*2);
952 printk(" %02x", tmp);
953 }
954 printk("\n");
955 printk(KERN_INFO "SCOR:");
956 for (i=0; i < 10; i++) {
957 tmp = readb(local->dingo_ccr + 0x40 + i*2);
958 printk(" %02x", tmp);
959 }
960 printk("\n");
961 }
962 #endif
963
964 writeb(0x01, local->dingo_ccr + 0x20);
965 writeb(0x0c, local->dingo_ccr + 0x22);
966 writeb(0x00, local->dingo_ccr + 0x24);
967 writeb(0x00, local->dingo_ccr + 0x26);
968 writeb(0x00, local->dingo_ccr + 0x28);
969 }
970
971 /* The if_port symbol can be set when the module is loaded */
972 local->probe_port=0;
973 if (!if_port) {
974 local->probe_port = dev->if_port = 1;
975 } else if ((if_port >= 1 && if_port <= 2) ||
976 (local->mohawk && if_port==4))
977 dev->if_port = if_port;
978 else
979 printk(KNOT_XIRC "invalid if_port requested\n");
980
981 /* we can now register the device with the net subsystem */
eb14120f 982 dev->irq = link->irq;
1da177e4
LT		 983 dev->base_addr = link->io.BasePort1;
984
985 if (local->dingo)
986 do_reset(dev, 1); /* a kludge to make the cem56 work */
987
fd238232 988 link->dev_node = &local->node;
dd2e5a15 989 SET_NETDEV_DEV(dev, &link->dev);
1da177e4
LT		 990
991 if ((err=register_netdev(dev))) {
992 printk(KNOT_XIRC "register_netdev() failed\n");
fd238232 993 link->dev_node = NULL;
1da177e4
LT		 994 goto config_error;
995 }
996
997 strcpy(local->node.dev_name, dev->name);
998
999 /* give some infos about the hardware */
e174961c 1000 printk(KERN_INFO "%s: %s: port %#3lx, irq %d, hwaddr %pM\n",
0795af57 1001 dev->name, local->manf_str,(u_long)dev->base_addr, (int)dev->irq,
e174961c 1002 dev->dev_addr);
1da177e4 1003
15b99ac1 1004 return 0;
1da177e4
LT		 1005
1006 config_error:
1da177e4 1007 xirc2ps_release(link);
15b99ac1 1008 return -ENODEV;
1da177e4 1009
1da177e4 1010 failure:
15b99ac1 1011 return -ENODEV;
1da177e4
LT		 1012} /* xirc2ps_config */
1013
1014/****************
1015 * After a card is removed, xirc2ps_release() will unregister the net
1016 * device, and release the PCMCIA configuration. If the device is
1017 * still open, this will be postponed until it is closed.
1018 */
1019static void
fba395ee 1020xirc2ps_release(struct pcmcia_device *link)
1da177e4 1021{
dd0fab5b 1022 dev_dbg(&link->dev, "release\n");
1da177e4 1023
5f2a71fc
DB		 1024 if (link->win) {
1025 struct net_device *dev = link->priv;
1026 local_info_t *local = netdev_priv(dev);
1027 if (local->dingo)
1028 iounmap(local->dingo_ccr - 0x0800);
1029 }
fba395ee 1030 pcmcia_disable_device(link);
1da177e4
LT		 1031} /* xirc2ps_release */
1032
1033/*====================================================================*/
1034
98e4c28b 1035
fba395ee 1036static int xirc2ps_suspend(struct pcmcia_device *link)
98e4c28b 1037{
98e4c28b
DB		 1038 struct net_device *dev = link->priv;
1039
e2d40963
DB		 1040 if (link->open) {
1041 netif_device_detach(dev);
1042 do_powerdown(dev);
98e4c28b
DB		 1043 }
1044
1045 return 0;
1046}
1047
fba395ee 1048static int xirc2ps_resume(struct pcmcia_device *link)
98e4c28b 1049{
98e4c28b
DB		 1050 struct net_device *dev = link->priv;
1051
e2d40963 1052 if (link->open) {
8661bb5b
DB		 1053 do_reset(dev,1);
1054 netif_device_attach(dev);
98e4c28b
DB		 1055 }
1056
1057 return 0;
1058}
1059
1da177e4
LT		 1060
1061/*====================================================================*/
1062
1063/****************
1064 * This is the Interrupt service route.
1065 */
1066static irqreturn_t
7d12e780 1067xirc2ps_interrupt(int irq, void *dev_id)
1da177e4
LT		 1068{
1069 struct net_device *dev = (struct net_device *)dev_id;
1070 local_info_t *lp = netdev_priv(dev);
906da809 1071 unsigned int ioaddr;
1da177e4
LT		 1072 u_char saved_page;
1073 unsigned bytes_rcvd;
1074 unsigned int_status, eth_status, rx_status, tx_status;
1075 unsigned rsr, pktlen;
1076 ulong start_ticks = jiffies; /* fixme: jiffies rollover every 497 days
1077 * is this something to worry about?
1078 * -- on a laptop?
1079 */
1080
1081 if (!netif_device_present(dev))
1082 return IRQ_HANDLED;
1083
1084 ioaddr = dev->base_addr;
1085 if (lp->mohawk) { /* must disable the interrupt */
1086 PutByte(XIRCREG_CR, 0);
1087 }
1088
dd0fab5b 1089 pr_debug("%s: interrupt %d at %#x.\n", dev->name, irq, ioaddr);
1da177e4
LT		 1090
1091 saved_page = GetByte(XIRCREG_PR);
1092 /* Read the ISR to see whats the cause for the interrupt.
1093 * This also clears the interrupt flags on CE2 cards
1094 */
1095 int_status = GetByte(XIRCREG_ISR);
1096 bytes_rcvd = 0;
1097 loop_entry:
1098 if (int_status == 0xff) { /* card may be ejected */
dd0fab5b 1099 pr_debug("%s: interrupt %d for dead card\n", dev->name, irq);
1da177e4
LT		 1100 goto leave;
1101 }
1102 eth_status = GetByte(XIRCREG_ESR);
1103
1104 SelectPage(0x40);
1105 rx_status = GetByte(XIRCREG40_RXST0);
1106 PutByte(XIRCREG40_RXST0, (~rx_status & 0xff));
1107 tx_status = GetByte(XIRCREG40_TXST0);
1108 tx_status |= GetByte(XIRCREG40_TXST1) << 8;
1109 PutByte(XIRCREG40_TXST0, 0);
1110 PutByte(XIRCREG40_TXST1, 0);
1111
dd0fab5b 1112 pr_debug("%s: ISR=%#2.2x ESR=%#2.2x RSR=%#2.2x TSR=%#4.4x\n",
1da177e4
LT		 1113 dev->name, int_status, eth_status, rx_status, tx_status);
1114
1115 /***** receive section ******/
1116 SelectPage(0);
1117 while (eth_status & FullPktRcvd) {
1118 rsr = GetByte(XIRCREG0_RSR);
1119 if (bytes_rcvd > maxrx_bytes && (rsr & PktRxOk)) {
1120 /* too many bytes received during this int, drop the rest of the
1121 * packets */
6394d7c9 1122 dev->stats.rx_dropped++;
dd0fab5b 1123 pr_debug("%s: RX drop, too much done\n", dev->name);
1da177e4
LT		 1124 } else if (rsr & PktRxOk) {
1125 struct sk_buff *skb;
1126
1127 pktlen = GetWord(XIRCREG0_RBC);
1128 bytes_rcvd += pktlen;
1129
dd0fab5b 1130 pr_debug("rsr=%#02x packet_length=%u\n", rsr, pktlen);
1da177e4
LT		 1131
1132 skb = dev_alloc_skb(pktlen+3); /* 1 extra so we can use insw */
1133 if (!skb) {
1134 printk(KNOT_XIRC "low memory, packet dropped (size=%u)\n",
1135 pktlen);
6394d7c9 1136 dev->stats.rx_dropped++;
1da177e4
LT		 1137 } else { /* okay get the packet */
1138 skb_reserve(skb, 2);
1139 if (lp->silicon == 0 ) { /* work around a hardware bug */
1140 unsigned rhsa; /* receive start address */
1141
1142 SelectPage(5);
1143 rhsa = GetWord(XIRCREG5_RHSA0);
1144 SelectPage(0);
1145 rhsa += 3; /* skip control infos */
1146 if (rhsa >= 0x8000)
1147 rhsa = 0;
1148 if (rhsa + pktlen > 0x8000) {
1149 unsigned i;
1150 u_char *buf = skb_put(skb, pktlen);
1151 for (i=0; i < pktlen ; i++, rhsa++) {
1152 buf[i] = GetByte(XIRCREG_EDP);
1153 if (rhsa == 0x8000) {
1154 rhsa = 0;
1155 i--;
1156 }
1157 }
1158 } else {
1159 insw(ioaddr+XIRCREG_EDP,
1160 skb_put(skb, pktlen), (pktlen+1)>>1);
1161 }
1162 }
1163 #if 0
1164 else if (lp->mohawk) {
1165 /* To use this 32 bit access we should use
1166 * a manual optimized loop
1167 * Also the words are swapped, we can get more
1168 * performance by using 32 bit access and swapping
1169 * the words in a register. Will need this for cardbus
1170 *
1171 * Note: don't forget to change the ALLOC_SKB to .. +3
1172 */
1173 unsigned i;
1174 u_long *p = skb_put(skb, pktlen);
1175 register u_long a;
906da809 1176 unsigned int edpreg = ioaddr+XIRCREG_EDP-2;
1da177e4
LT		 1177 for (i=0; i < len ; i += 4, p++) {
1178 a = inl(edpreg);
1179 __asm__("rorl $16,%0\n\t"
1180 :"=q" (a)
1181 : "0" (a));
1182 *p = a;
1183 }
1184 }
1185 #endif
1186 else {
1187 insw(ioaddr+XIRCREG_EDP, skb_put(skb, pktlen),
1188 (pktlen+1)>>1);
1189 }
1190 skb->protocol = eth_type_trans(skb, dev);
1da177e4 1191 netif_rx(skb);
6394d7c9
SH		 1192 dev->stats.rx_packets++;
1193 dev->stats.rx_bytes += pktlen;
1da177e4 1194 if (!(rsr & PhyPkt))
6394d7c9 1195 dev->stats.multicast++;
1da177e4
LT		 1196 }
1197 } else { /* bad packet */
dd0fab5b 1198 pr_debug("rsr=%#02x\n", rsr);
1da177e4
LT		 1199 }
1200 if (rsr & PktTooLong) {
6394d7c9 1201 dev->stats.rx_frame_errors++;
dd0fab5b 1202 pr_debug("%s: Packet too long\n", dev->name);
1da177e4
LT		 1203 }
1204 if (rsr & CRCErr) {
6394d7c9 1205 dev->stats.rx_crc_errors++;
dd0fab5b 1206 pr_debug("%s: CRC error\n", dev->name);
1da177e4
LT		 1207 }
1208 if (rsr & AlignErr) {
6394d7c9 1209 dev->stats.rx_fifo_errors++; /* okay ? */
dd0fab5b 1210 pr_debug("%s: Alignment error\n", dev->name);
1da177e4
LT		 1211 }
1212
1213 /* clear the received/dropped/error packet */
1214 PutWord(XIRCREG0_DO, 0x8000); /* issue cmd: skip_rx_packet */
1215
1216 /* get the new ethernet status */
1217 eth_status = GetByte(XIRCREG_ESR);
1218 }
1219 if (rx_status & 0x10) { /* Receive overrun */
6394d7c9 1220 dev->stats.rx_over_errors++;
1da177e4 1221 PutByte(XIRCREG_CR, ClearRxOvrun);
dd0fab5b 1222 pr_debug("receive overrun cleared\n");
1da177e4
LT		 1223 }
1224
1225 /***** transmit section ******/
1226 if (int_status & PktTxed) {
1227 unsigned n, nn;
1228
1229 n = lp->last_ptr_value;
1230 nn = GetByte(XIRCREG0_PTR);
1231 lp->last_ptr_value = nn;
1232 if (nn < n) /* rollover */
6394d7c9 1233 dev->stats.tx_packets += 256 - n;
1da177e4 1234 else if (n == nn) { /* happens sometimes - don't know why */
dd0fab5b 1235 pr_debug("PTR not changed?\n");
1da177e4 1236 } else
6394d7c9 1237 dev->stats.tx_packets += lp->last_ptr_value - n;
1da177e4
LT		 1238 netif_wake_queue(dev);
1239 }
1240 if (tx_status & 0x0002) { /* Execessive collissions */
dd0fab5b 1241 pr_debug("tx restarted due to execssive collissions\n");
1da177e4
LT		 1242 PutByte(XIRCREG_CR, RestartTx); /* restart transmitter process */
1243 }
1244 if (tx_status & 0x0040)
6394d7c9 1245 dev->stats.tx_aborted_errors++;
1da177e4
LT		 1246
1247 /* recalculate our work chunk so that we limit the duration of this
1248 * ISR to about 1/10 of a second.
1249 * Calculate only if we received a reasonable amount of bytes.
1250 */
1251 if (bytes_rcvd > 1000) {
1252 u_long duration = jiffies - start_ticks;
1253
1254 if (duration >= HZ/10) { /* if more than about 1/10 second */
1255 maxrx_bytes = (bytes_rcvd * (HZ/10)) / duration;
1256 if (maxrx_bytes < 2000)
1257 maxrx_bytes = 2000;
1258 else if (maxrx_bytes > 22000)
1259 maxrx_bytes = 22000;
dd0fab5b 1260 pr_debug("set maxrx=%u (rcvd=%u ticks=%lu)\n",
1da177e4
LT		 1261 maxrx_bytes, bytes_rcvd, duration);
1262 } else if (!duration && maxrx_bytes < 22000) {
1263 /* now much faster */
1264 maxrx_bytes += 2000;
1265 if (maxrx_bytes > 22000)
1266 maxrx_bytes = 22000;
dd0fab5b 1267 pr_debug("set maxrx=%u\n", maxrx_bytes);
1da177e4
LT		 1268 }
1269 }
1270
1271 leave:
1272 if (lockup_hack) {
1273 if (int_status != 0xff && (int_status = GetByte(XIRCREG_ISR)) != 0)
1274 goto loop_entry;
1275 }
1276 SelectPage(saved_page);
1277 PutByte(XIRCREG_CR, EnableIntr); /* re-enable interrupts */
1278 /* Instead of dropping packets during a receive, we could
1279 * force an interrupt with this command:
1280 * PutByte(XIRCREG_CR, EnableIntr|ForceIntr);
1281 */
1282 return IRQ_HANDLED;
1283} /* xirc2ps_interrupt */
1284
1285/*====================================================================*/
1286
1287static void
c4028958 1288xirc2ps_tx_timeout_task(struct work_struct *work)
1da177e4 1289{
c4028958
DH		 1290 local_info_t *local =
1291 container_of(work, local_info_t, tx_timeout_task);
1292 struct net_device *dev = local->dev;
1da177e4
LT		 1293 /* reset the card */
1294 do_reset(dev,1);
1295 dev->trans_start = jiffies;
1296 netif_wake_queue(dev);
1297}
1298
9a469abe 1299static void
ed4cb133 1300xirc_tx_timeout(struct net_device *dev)
9a469abe
JA		 1301{
1302 local_info_t *lp = netdev_priv(dev);
6394d7c9 1303 dev->stats.tx_errors++;
9a469abe
JA		 1304 printk(KERN_NOTICE "%s: transmit timed out\n", dev->name);
1305 schedule_work(&lp->tx_timeout_task);
1306}
1307
dbf02fae 1308static netdev_tx_t
1da177e4
LT		 1309do_start_xmit(struct sk_buff *skb, struct net_device *dev)
1310{
1311 local_info_t *lp = netdev_priv(dev);
906da809 1312 unsigned int ioaddr = dev->base_addr;
1da177e4
LT		 1313 int okay;
1314 unsigned freespace;
da4f5ccf 1315 unsigned pktlen = skb->len;
1da177e4 1316
dd0fab5b 1317 pr_debug("do_start_xmit(skb=%p, dev=%p) len=%u\n",
1da177e4
LT		 1318 skb, dev, pktlen);
1319
1320
1321 /* adjust the packet length to min. required
1322 * and hope that the buffer is large enough
1323 * to provide some random data.
1324 * fixme: For Mohawk we can change this by sending
1325 * a larger packetlen than we actually have; the chip will
1326 * pad this in his buffer with random bytes
1327 */
1328 if (pktlen < ETH_ZLEN)
1329 {
5b057c6b 1330 if (skb_padto(skb, ETH_ZLEN))
6ed10654 1331 return NETDEV_TX_OK;
1da177e4
LT		 1332 pktlen = ETH_ZLEN;
1333 }
1334
1335 netif_stop_queue(dev);
1336 SelectPage(0);
1337 PutWord(XIRCREG0_TRS, (u_short)pktlen+2);
1338 freespace = GetWord(XIRCREG0_TSO);
1339 okay = freespace & 0x8000;
1340 freespace &= 0x7fff;
1341 /* TRS doesn't work - (indeed it is eliminated with sil-rev 1) */
1342 okay = pktlen +2 < freespace;
dd0fab5b 1343 pr_debug("%s: avail. tx space=%u%s\n",
1da177e4
LT		 1344 dev->name, freespace, okay ? " (okay)":" (not enough)");
1345 if (!okay) { /* not enough space */
5b548140 1346 return NETDEV_TX_BUSY; /* upper layer may decide to requeue this packet */
1da177e4
LT		 1347 }
1348 /* send the packet */
1349 PutWord(XIRCREG_EDP, (u_short)pktlen);
1350 outsw(ioaddr+XIRCREG_EDP, skb->data, pktlen>>1);
1351 if (pktlen & 1)
1352 PutByte(XIRCREG_EDP, skb->data[pktlen-1]);
1353
1354 if (lp->mohawk)
1355 PutByte(XIRCREG_CR, TransmitPacket|EnableIntr);
1356
1357 dev_kfree_skb (skb);
1358 dev->trans_start = jiffies;
6394d7c9 1359 dev->stats.tx_bytes += pktlen;
1da177e4 1360 netif_start_queue(dev);
6ed10654 1361 return NETDEV_TX_OK;
1da177e4
LT		 1362}
1363
91fea585
JP		 1364struct set_address_info {
1365 int reg_nr;
1366 int page_nr;
1367 int mohawk;
1368 unsigned int ioaddr;
1369};
1370
1371static void set_address(struct set_address_info *sa_info, char *addr)
1372{
1373 unsigned int ioaddr = sa_info->ioaddr;
1374 int i;
1375
1376 for (i = 0; i < 6; i++) {
1377 if (sa_info->reg_nr > 15) {
1378 sa_info->reg_nr = 8;
1379 sa_info->page_nr++;
1380 SelectPage(sa_info->page_nr);
1381 }
1382 if (sa_info->mohawk)
1383 PutByte(sa_info->reg_nr++, addr[5 - i]);
1384 else
1385 PutByte(sa_info->reg_nr++, addr[i]);
1386 }
1387}
1388
1da177e4
LT		 1389/****************
1390 * Set all addresses: This first one is the individual address,
1391 * the next 9 addresses are taken from the multicast list and
1392 * the rest is filled with the individual address.
1393 */
91fea585 1394static void set_addresses(struct net_device *dev)
1da177e4 1395{
91fea585
JP		 1396 unsigned int ioaddr = dev->base_addr;
1397 local_info_t *lp = netdev_priv(dev);
1398 struct dev_mc_list *dmi;
1399 struct set_address_info sa_info;
1400 int i;
1da177e4 1401
91fea585
JP		 1402 /*
1403 * Setup the info structure so that by first set_address call it will do
1404 * SelectPage with the right page number. Hence these ones here.
1405 */
1406 sa_info.reg_nr = 15 + 1;
1407 sa_info.page_nr = 0x50 - 1;
1408 sa_info.mohawk = lp->mohawk;
1409 sa_info.ioaddr = ioaddr;
1410
1411 set_address(&sa_info, dev->dev_addr);
1412 i = 0;
1413 netdev_for_each_mc_addr(dmi, dev) {
1414 if (i++ == 9)
1415 break;
1416 set_address(&sa_info, dmi->dmi_addr);
1417 }
1418 while (i++ < 9)
1419 set_address(&sa_info, dev->dev_addr);
1420 SelectPage(0);
1da177e4
LT		 1421}
1422
1423/****************
1424 * Set or clear the multicast filter for this adaptor.
1425 * We can filter up to 9 addresses, if more are requested we set
1426 * multicast promiscuous mode.
1427 */
1428
1429static void
1430set_multicast_list(struct net_device *dev)
1431{
906da809 1432 unsigned int ioaddr = dev->base_addr;
43fc63dc 1433 unsigned value;
1da177e4
LT		 1434
1435 SelectPage(0x42);
43fc63dc
K		 1436 value = GetByte(XIRCREG42_SWC1) & 0xC0;
1437
1da177e4 1438 if (dev->flags & IFF_PROMISC) { /* snoop */
43fc63dc 1439 PutByte(XIRCREG42_SWC1, value | 0x06); /* set MPE and PME */
4cd24eaf 1440 } else if (netdev_mc_count(dev) > 9 || (dev->flags & IFF_ALLMULTI)) {
43fc63dc 1441 PutByte(XIRCREG42_SWC1, value | 0x02); /* set MPE */
4cd24eaf 1442 } else if (!netdev_mc_empty(dev)) {
1da177e4 1443 /* the chip can filter 9 addresses perfectly */
43fc63dc 1444 PutByte(XIRCREG42_SWC1, value | 0x01);
1da177e4
LT		 1445 SelectPage(0x40);
1446 PutByte(XIRCREG40_CMD0, Offline);
1447 set_addresses(dev);
1448 SelectPage(0x40);
1449 PutByte(XIRCREG40_CMD0, EnableRecv | Online);
1450 } else { /* standard usage */
43fc63dc 1451 PutByte(XIRCREG42_SWC1, value | 0x00);
1da177e4
LT		 1452 }
1453 SelectPage(0);
1454}
1455
1456static int
1457do_config(struct net_device *dev, struct ifmap *map)
1458{
1459 local_info_t *local = netdev_priv(dev);
1460
dd0fab5b 1461 pr_debug("do_config(%p)\n", dev);
1da177e4
LT		 1462 if (map->port != 255 && map->port != dev->if_port) {
1463 if (map->port > 4)
1464 return -EINVAL;
1465 if (!map->port) {
1466 local->probe_port = 1;
1467 dev->if_port = 1;
1468 } else {
1469 local->probe_port = 0;
1470 dev->if_port = map->port;
1471 }
1472 printk(KERN_INFO "%s: switching to %s port\n",
1473 dev->name, if_names[dev->if_port]);
1474 do_reset(dev,1); /* not the fine way :-) */
1475 }
1476 return 0;
1477}
1478
1479/****************
1480 * Open the driver
1481 */
1482static int
1483do_open(struct net_device *dev)
1484{
1485 local_info_t *lp = netdev_priv(dev);
fba395ee 1486 struct pcmcia_device *link = lp->p_dev;
1da177e4 1487
dd0fab5b 1488 dev_dbg(&link->dev, "do_open(%p)\n", dev);
1da177e4
LT		 1489
1490 /* Check that the PCMCIA card is still here. */
1491 /* Physical device present signature. */
9940ec36 1492 if (!pcmcia_dev_present(link))
1da177e4
LT		 1493 return -ENODEV;
1494
1495 /* okay */
1496 link->open++;
1497
1498 netif_start_queue(dev);
1499 do_reset(dev,1);
1500
1501 return 0;
1502}
1503
1504static void netdev_get_drvinfo(struct net_device *dev,
1505 struct ethtool_drvinfo *info)
1506{
1507 strcpy(info->driver, "xirc2ps_cs");
1508 sprintf(info->bus_info, "PCMCIA 0x%lx", dev->base_addr);
1509}
1510
7282d491 1511static const struct ethtool_ops netdev_ethtool_ops = {
1da177e4
LT		 1512 .get_drvinfo = netdev_get_drvinfo,
1513};
1514
1515static int
1516do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
1517{
1518 local_info_t *local = netdev_priv(dev);
906da809 1519 unsigned int ioaddr = dev->base_addr;
0fa0ee05 1520 struct mii_ioctl_data *data = if_mii(rq);
1da177e4 1521
dd0fab5b 1522 pr_debug("%s: ioctl(%-.6s, %#04x) %04x %04x %04x %04x\n",
1da177e4 1523 dev->name, rq->ifr_ifrn.ifrn_name, cmd,
0fa0ee05 1524 data->phy_id, data->reg_num, data->val_in, data->val_out);
1da177e4
LT		 1525
1526 if (!local->mohawk)
1527 return -EOPNOTSUPP;
1528
1529 switch(cmd) {
1530 case SIOCGMIIPHY: /* Get the address of the PHY in use. */
0fa0ee05 1531 data->phy_id = 0; /* we have only this address */
93b1fae4 1532 /* fall through */
1da177e4 1533 case SIOCGMIIREG: /* Read the specified MII register. */
0fa0ee05
BH		 1534 data->val_out = mii_rd(ioaddr, data->phy_id & 0x1f,
1535 data->reg_num & 0x1f);
1da177e4
LT		 1536 break;
1537 case SIOCSMIIREG: /* Write the specified MII register */
0fa0ee05
BH		 1538 mii_wr(ioaddr, data->phy_id & 0x1f, data->reg_num & 0x1f, data->val_in,
1539 16);
1da177e4
LT		 1540 break;
1541 default:
1542 return -EOPNOTSUPP;
1543 }
1544 return 0;
1545}
1546
1547static void
1548hardreset(struct net_device *dev)
1549{
1550 local_info_t *local = netdev_priv(dev);
906da809 1551 unsigned int ioaddr = dev->base_addr;
1da177e4
LT		 1552
1553 SelectPage(4);
1554 udelay(1);
1555 PutByte(XIRCREG4_GPR1, 0); /* clear bit 0: power down */
1556 msleep(40); /* wait 40 msec */
1557 if (local->mohawk)
1558 PutByte(XIRCREG4_GPR1, 1); /* set bit 0: power up */
1559 else
1560 PutByte(XIRCREG4_GPR1, 1 | 4); /* set bit 0: power up, bit 2: AIC */
1561 msleep(20); /* wait 20 msec */
1562}
1563
1564static void
1565do_reset(struct net_device *dev, int full)
1566{
1567 local_info_t *local = netdev_priv(dev);
906da809 1568 unsigned int ioaddr = dev->base_addr;
1da177e4
LT		 1569 unsigned value;
1570
dd0fab5b 1571 pr_debug("%s: do_reset(%p,%d)\n", dev? dev->name:"eth?", dev, full);
1da177e4
LT		 1572
1573 hardreset(dev);
1574 PutByte(XIRCREG_CR, SoftReset); /* set */
1575 msleep(20); /* wait 20 msec */
1576 PutByte(XIRCREG_CR, 0); /* clear */
1577 msleep(40); /* wait 40 msec */
1578 if (local->mohawk) {
1579 SelectPage(4);
1580 /* set pin GP1 and GP2 to output (0x0c)
1581 * set GP1 to low to power up the ML6692 (0x00)
1582 * set GP2 to high to power up the 10Mhz chip (0x02)
1583 */
1584 PutByte(XIRCREG4_GPR0, 0x0e);
1585 }
1586
1587 /* give the circuits some time to power up */
1588 msleep(500); /* about 500ms */
1589
1590 local->last_ptr_value = 0;
1591 local->silicon = local->mohawk ? (GetByte(XIRCREG4_BOV) & 0x70) >> 4
1592 : (GetByte(XIRCREG4_BOV) & 0x30) >> 4;
1593
1594 if (local->probe_port) {
1595 if (!local->mohawk) {
1596 SelectPage(4);
1597 PutByte(XIRCREG4_GPR0, 4);
1598 local->probe_port = 0;
1599 }
1600 } else if (dev->if_port == 2) { /* enable 10Base2 */
1601 SelectPage(0x42);
1602 PutByte(XIRCREG42_SWC1, 0xC0);
1603 } else { /* enable 10BaseT */
1604 SelectPage(0x42);
1605 PutByte(XIRCREG42_SWC1, 0x80);
1606 }
1607 msleep(40); /* wait 40 msec to let it complete */
1608
dd0fab5b
DB		 1609 #if 0
1610 {
1da177e4
LT		 1611 SelectPage(0);
1612 value = GetByte(XIRCREG_ESR); /* read the ESR */
1613 printk(KERN_DEBUG "%s: ESR is: %#02x\n", dev->name, value);
1614 }
1615 #endif
1616
1617 /* setup the ECR */
1618 SelectPage(1);
1619 PutByte(XIRCREG1_IMR0, 0xff); /* allow all ints */
1620 PutByte(XIRCREG1_IMR1, 1 ); /* and Set TxUnderrunDetect */
1621 value = GetByte(XIRCREG1_ECR);
1622 #if 0
1623 if (local->mohawk)
1624 value |= DisableLinkPulse;
1625 PutByte(XIRCREG1_ECR, value);
1626 #endif
dd0fab5b 1627 pr_debug("%s: ECR is: %#02x\n", dev->name, value);
1da177e4
LT		 1628
1629 SelectPage(0x42);
1630 PutByte(XIRCREG42_SWC0, 0x20); /* disable source insertion */
1631
1632 if (local->silicon != 1) {
1633 /* set the local memory dividing line.
1634 * The comments in the sample code say that this is only
1635 * settable with the scipper version 2 which is revision 0.
1636 * Always for CE3 cards
1637 */
1638 SelectPage(2);
1639 PutWord(XIRCREG2_RBS, 0x2000);
1640 }
1641
1642 if (full)
1643 set_addresses(dev);
1644
1645 /* Hardware workaround:
1646 * The receive byte pointer after reset is off by 1 so we need
1647 * to move the offset pointer back to 0.
1648 */
1649 SelectPage(0);
1650 PutWord(XIRCREG0_DO, 0x2000); /* change offset command, off=0 */
1651
1652 /* setup MAC IMRs and clear status registers */
1653 SelectPage(0x40); /* Bit 7 ... bit 0 */
1654 PutByte(XIRCREG40_RMASK0, 0xff); /* ROK, RAB, rsv, RO, CRC, AE, PTL, MP */
1655 PutByte(XIRCREG40_TMASK0, 0xff); /* TOK, TAB, SQE, LL, TU, JAB, EXC, CRS */
1656 PutByte(XIRCREG40_TMASK1, 0xb0); /* rsv, rsv, PTD, EXT, rsv,rsv,rsv, rsv*/
1657 PutByte(XIRCREG40_RXST0, 0x00); /* ROK, RAB, REN, RO, CRC, AE, PTL, MP */
1658 PutByte(XIRCREG40_TXST0, 0x00); /* TOK, TAB, SQE, LL, TU, JAB, EXC, CRS */
1659 PutByte(XIRCREG40_TXST1, 0x00); /* TEN, rsv, PTD, EXT, retry_counter:4 */
1660
1661 if (full && local->mohawk && init_mii(dev)) {
1662 if (dev->if_port == 4 || local->dingo || local->new_mii) {
1663 printk(KERN_INFO "%s: MII selected\n", dev->name);
1664 SelectPage(2);
1665 PutByte(XIRCREG2_MSR, GetByte(XIRCREG2_MSR) | 0x08);
1666 msleep(20);
1667 } else {
1668 printk(KERN_INFO "%s: MII detected; using 10mbs\n",
1669 dev->name);
1670 SelectPage(0x42);
1671 if (dev->if_port == 2) /* enable 10Base2 */
1672 PutByte(XIRCREG42_SWC1, 0xC0);
1673 else /* enable 10BaseT */
1674 PutByte(XIRCREG42_SWC1, 0x80);
1675 msleep(40); /* wait 40 msec to let it complete */
1676 }
1677 if (full_duplex)
1678 PutByte(XIRCREG1_ECR, GetByte(XIRCREG1_ECR | FullDuplex));
1679 } else { /* No MII */
1680 SelectPage(0);
1681 value = GetByte(XIRCREG_ESR); /* read the ESR */
1682 dev->if_port = (value & MediaSelect) ? 1 : 2;
1683 }
1684
1685 /* configure the LEDs */
1686 SelectPage(2);
1687 if (dev->if_port == 1 || dev->if_port == 4) /* TP: Link and Activity */
1688 PutByte(XIRCREG2_LED, 0x3b);
1689 else /* Coax: Not-Collision and Activity */
1690 PutByte(XIRCREG2_LED, 0x3a);
1691
1692 if (local->dingo)
1693 PutByte(0x0b, 0x04); /* 100 Mbit LED */
1694
1695 /* enable receiver and put the mac online */
1696 if (full) {
43fc63dc 1697 set_multicast_list(dev);
1da177e4
LT		 1698 SelectPage(0x40);
1699 PutByte(XIRCREG40_CMD0, EnableRecv | Online);
1700 }
1701
1702 /* setup Ethernet IMR and enable interrupts */
1703 SelectPage(1);
1704 PutByte(XIRCREG1_IMR0, 0xff);
1705 udelay(1);
1706 SelectPage(0);
1707 PutByte(XIRCREG_CR, EnableIntr);
1708 if (local->modem && !local->dingo) { /* do some magic */
1709 if (!(GetByte(0x10) & 0x01))
1710 PutByte(0x10, 0x11); /* unmask master-int bit */
1711 }
1712
1713 if (full)
1714 printk(KERN_INFO "%s: media %s, silicon revision %d\n",
1715 dev->name, if_names[dev->if_port], local->silicon);
1716 /* We should switch back to page 0 to avoid a bug in revision 0
1717 * where regs with offset below 8 can't be read after an access
1718 * to the MAC registers */
1719 SelectPage(0);
1720}
1721
1722/****************
1723 * Initialize the Media-Independent-Interface
1724 * Returns: True if we have a good MII
1725 */
1726static int
1727init_mii(struct net_device *dev)
1728{
1729 local_info_t *local = netdev_priv(dev);
906da809 1730 unsigned int ioaddr = dev->base_addr;
1da177e4
LT		 1731 unsigned control, status, linkpartner;
1732 int i;
1733
1734 if (if_port == 4 || if_port == 1) { /* force 100BaseT or 10BaseT */
1735 dev->if_port = if_port;
1736 local->probe_port = 0;
1737 return 1;
1738 }
1739
1740 status = mii_rd(ioaddr, 0, 1);
1741 if ((status & 0xff00) != 0x7800)
1742 return 0; /* No MII */
1743
1744 local->new_mii = (mii_rd(ioaddr, 0, 2) != 0xffff);
1745
1746 if (local->probe_port)
1747 control = 0x1000; /* auto neg */
1748 else if (dev->if_port == 4)
1749 control = 0x2000; /* no auto neg, 100mbs mode */
1750 else
1751 control = 0x0000; /* no auto neg, 10mbs mode */
1752 mii_wr(ioaddr, 0, 0, control, 16);
1753 udelay(100);
1754 control = mii_rd(ioaddr, 0, 0);
1755
1756 if (control & 0x0400) {
1757 printk(KERN_NOTICE "%s can't take PHY out of isolation mode\n",
1758 dev->name);
1759 local->probe_port = 0;
1760 return 0;
1761 }
1762
1763 if (local->probe_port) {
1764 /* according to the DP83840A specs the auto negotiation process
1765 * may take up to 3.5 sec, so we use this also for our ML6692
1766 * Fixme: Better to use a timer here!
1767 */
1768 for (i=0; i < 35; i++) {
1769 msleep(100); /* wait 100 msec */
1770 status = mii_rd(ioaddr, 0, 1);
1771 if ((status & 0x0020) && (status & 0x0004))
1772 break;
1773 }
1774
1775 if (!(status & 0x0020)) {
1776 printk(KERN_INFO "%s: autonegotiation failed;"
1777 " using 10mbs\n", dev->name);
1778 if (!local->new_mii) {
1779 control = 0x0000;
1780 mii_wr(ioaddr, 0, 0, control, 16);
1781 udelay(100);
1782 SelectPage(0);
1783 dev->if_port = (GetByte(XIRCREG_ESR) & MediaSelect) ? 1 : 2;
1784 }
1785 } else {
1786 linkpartner = mii_rd(ioaddr, 0, 5);
1787 printk(KERN_INFO "%s: MII link partner: %04x\n",
1788 dev->name, linkpartner);
1789 if (linkpartner & 0x0080) {
1790 dev->if_port = 4;
1791 } else
1792 dev->if_port = 1;
1793 }
1794 }
1795
1796 return 1;
1797}
1798
1799static void
1800do_powerdown(struct net_device *dev)
1801{
1802
906da809 1803 unsigned int ioaddr = dev->base_addr;
1da177e4 1804
dd0fab5b 1805 pr_debug("do_powerdown(%p)\n", dev);
1da177e4
LT		 1806
1807 SelectPage(4);
1808 PutByte(XIRCREG4_GPR1, 0); /* clear bit 0: power down */
1809 SelectPage(0);
1810}
1811
1812static int
1813do_stop(struct net_device *dev)
1814{
906da809 1815 unsigned int ioaddr = dev->base_addr;
1da177e4 1816 local_info_t *lp = netdev_priv(dev);
fba395ee 1817 struct pcmcia_device *link = lp->p_dev;
1da177e4 1818
dd0fab5b 1819 dev_dbg(&link->dev, "do_stop(%p)\n", dev);
1da177e4
LT		 1820
1821 if (!link)
1822 return -ENODEV;
1823
1824 netif_stop_queue(dev);
1825
1826 SelectPage(0);
1827 PutByte(XIRCREG_CR, 0); /* disable interrupts */
1828 SelectPage(0x01);
1829 PutByte(XIRCREG1_IMR0, 0x00); /* forbid all ints */
1830 SelectPage(4);
1831 PutByte(XIRCREG4_GPR1, 0); /* clear bit 0: power down */
1832 SelectPage(0);
1833
1834 link->open--;
1835 return 0;
1836}
1837
ff07bb19
DB		 1838static struct pcmcia_device_id xirc2ps_ids[] = {
1839 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0089, 0x110a),
1840 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0138, 0x110a),
1841 PCMCIA_PFC_DEVICE_PROD_ID13(0, "Xircom", "CEM28", 0x2e3ee845, 0x0ea978ea),
1842 PCMCIA_PFC_DEVICE_PROD_ID13(0, "Xircom", "CEM33", 0x2e3ee845, 0x80609023),
1843 PCMCIA_PFC_DEVICE_PROD_ID13(0, "Xircom", "CEM56", 0x2e3ee845, 0xa650c32a),
1844 PCMCIA_PFC_DEVICE_PROD_ID13(0, "Xircom", "REM10", 0x2e3ee845, 0x76df1d29),
1845 PCMCIA_PFC_DEVICE_PROD_ID13(0, "Xircom", "XEM5600", 0x2e3ee845, 0xf1403719),
d277ad0e 1846 PCMCIA_PFC_DEVICE_PROD_ID12(0, "Xircom", "CreditCard Ethernet+Modem II", 0x2e3ee845, 0xeca401bf),
ff07bb19
DB		 1847 PCMCIA_DEVICE_MANF_CARD(0x01bf, 0x010a),
1848 PCMCIA_DEVICE_PROD_ID13("Toshiba Information Systems", "TPCENET", 0x1b3b94fe, 0xf381c1a2),
1849 PCMCIA_DEVICE_PROD_ID13("Xircom", "CE3-10/100", 0x2e3ee845, 0x0ec0ac37),
1850 PCMCIA_DEVICE_PROD_ID13("Xircom", "PS-CE2-10", 0x2e3ee845, 0x947d9073),
1851 PCMCIA_DEVICE_PROD_ID13("Xircom", "R2E-100BTX", 0x2e3ee845, 0x2464a6e3),
1852 PCMCIA_DEVICE_PROD_ID13("Xircom", "RE-10", 0x2e3ee845, 0x3e08d609),
1853 PCMCIA_DEVICE_PROD_ID13("Xircom", "XE2000", 0x2e3ee845, 0xf7188e46),
1854 PCMCIA_DEVICE_PROD_ID12("Compaq", "Ethernet LAN Card", 0x54f7c49c, 0x9fd2f0a2),
1855 PCMCIA_DEVICE_PROD_ID12("Compaq", "Netelligent 10/100 PC Card", 0x54f7c49c, 0xefe96769),
1856 PCMCIA_DEVICE_PROD_ID12("Intel", "EtherExpress(TM) PRO/100 PC Card Mobile Adapter16", 0x816cc815, 0x174397db),
1857 PCMCIA_DEVICE_PROD_ID12("Toshiba", "10/100 Ethernet PC Card", 0x44a09d9c, 0xb44deecf),
1858 /* also matches CFE-10 cards! */
1859 /* PCMCIA_DEVICE_MANF_CARD(0x0105, 0x010a), */
1860 PCMCIA_DEVICE_NULL,
1861};
1862MODULE_DEVICE_TABLE(pcmcia, xirc2ps_ids);
1863
1864
1da177e4
LT		 1865static struct pcmcia_driver xirc2ps_cs_driver = {
1866 .owner = THIS_MODULE,
1867 .drv = {
1868 .name = "xirc2ps_cs",
1869 },
15b99ac1 1870 .probe = xirc2ps_probe,
cc3b4866 1871 .remove = xirc2ps_detach,
ff07bb19 1872 .id_table = xirc2ps_ids,
98e4c28b
DB		 1873 .suspend = xirc2ps_suspend,
1874 .resume = xirc2ps_resume,
1da177e4
LT		 1875};
1876
1877static int __init
1878init_xirc2ps_cs(void)
1879{
1880 return pcmcia_register_driver(&xirc2ps_cs_driver);
1881}
1882
1883static void __exit
1884exit_xirc2ps_cs(void)
1885{
1886 pcmcia_unregister_driver(&xirc2ps_cs_driver);
1da177e4
LT		 1887}
1888
1889module_init(init_xirc2ps_cs);
1890module_exit(exit_xirc2ps_cs);
1891
1892#ifndef MODULE
1893static int __init setup_xirc2ps_cs(char *str)
1894{
1895 /* if_port, full_duplex, do_sound, lockup_hack
1896 */
1897 int ints[10] = { -1 };
1898
1899 str = get_options(str, 9, ints);
1900
1901#define MAYBE_SET(X,Y) if (ints[0] >= Y && ints[Y] != -1) { X = ints[Y]; }
1902 MAYBE_SET(if_port, 3);
1903 MAYBE_SET(full_duplex, 4);
1904 MAYBE_SET(do_sound, 5);
1905 MAYBE_SET(lockup_hack, 6);
1906#undef MAYBE_SET
1907
9b41046c 1908 return 1;
1da177e4
LT		 1909}
1910
1911__setup("xirc2ps_cs=", setup_xirc2ps_cs);
1912#endif
Linux kernel - Deliverables
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