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IRQ: Maintain regs pointer globally rather than passing to IRQ handlers
[GitHub/mt8127/android_kernel_alcatel_ttab.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>
83
1da177e4
LT		 84#include <pcmcia/cs_types.h>
85#include <pcmcia/cs.h>
86#include <pcmcia/cistpl.h>
87#include <pcmcia/cisreg.h>
88#include <pcmcia/ciscode.h>
89
90#include <asm/io.h>
91#include <asm/system.h>
92#include <asm/uaccess.h>
93
94#ifndef MANFID_COMPAQ
95 #define MANFID_COMPAQ 0x0138
96 #define MANFID_COMPAQ2 0x0183 /* is this correct? */
97#endif
98
99#include <pcmcia/ds.h>
100
101/* Time in jiffies before concluding Tx hung */
102#define TX_TIMEOUT ((400*HZ)/1000)
103
104/****************
105 * Some constants used to access the hardware
106 */
107
108/* Register offsets and value constans */
109#define XIRCREG_CR 0 /* Command register (wr) */
110enum xirc_cr {
111 TransmitPacket = 0x01,
112 SoftReset = 0x02,
113 EnableIntr = 0x04,
114 ForceIntr = 0x08,
115 ClearTxFIFO = 0x10,
116 ClearRxOvrun = 0x20,
117 RestartTx = 0x40
118};
119#define XIRCREG_ESR 0 /* Ethernet status register (rd) */
120enum xirc_esr {
121 FullPktRcvd = 0x01, /* full packet in receive buffer */
122 PktRejected = 0x04, /* a packet has been rejected */
123 TxPktPend = 0x08, /* TX Packet Pending */
124 IncorPolarity = 0x10,
125 MediaSelect = 0x20 /* set if TP, clear if AUI */
126};
127#define XIRCREG_PR 1 /* Page Register select */
128#define XIRCREG_EDP 4 /* Ethernet Data Port Register */
129#define XIRCREG_ISR 6 /* Ethernet Interrupt Status Register */
130enum xirc_isr {
131 TxBufOvr = 0x01, /* TX Buffer Overflow */
132 PktTxed = 0x02, /* Packet Transmitted */
133 MACIntr = 0x04, /* MAC Interrupt occurred */
134 TxResGrant = 0x08, /* Tx Reservation Granted */
135 RxFullPkt = 0x20, /* Rx Full Packet */
136 RxPktRej = 0x40, /* Rx Packet Rejected */
137 ForcedIntr= 0x80 /* Forced Interrupt */
138};
139#define XIRCREG1_IMR0 12 /* Ethernet Interrupt Mask Register (on page 1)*/
140#define XIRCREG1_IMR1 13
141#define XIRCREG0_TSO 8 /* Transmit Space Open Register (on page 0)*/
142#define XIRCREG0_TRS 10 /* Transmit reservation Size Register (page 0)*/
143#define XIRCREG0_DO 12 /* Data Offset Register (page 0) (wr) */
144#define XIRCREG0_RSR 12 /* Receive Status Register (page 0) (rd) */
145enum xirc_rsr {
146 PhyPkt = 0x01, /* set:physical packet, clear: multicast packet */
147 BrdcstPkt = 0x02, /* set if it is a broadcast packet */
148 PktTooLong = 0x04, /* set if packet length > 1518 */
149 AlignErr = 0x10, /* incorrect CRC and last octet not complete */
150 CRCErr = 0x20, /* incorrect CRC and last octet is complete */
151 PktRxOk = 0x80 /* received ok */
152};
153#define XIRCREG0_PTR 13 /* packets transmitted register (rd) */
154#define XIRCREG0_RBC 14 /* receive byte count regsister (rd) */
155#define XIRCREG1_ECR 14 /* ethernet configurationn register */
156enum xirc_ecr {
157 FullDuplex = 0x04, /* enable full duplex mode */
158 LongTPMode = 0x08, /* adjust for longer lengths of TP cable */
159 DisablePolCor = 0x10,/* disable auto polarity correction */
160 DisableLinkPulse = 0x20, /* disable link pulse generation */
161 DisableAutoTx = 0x40, /* disable auto-transmit */
162};
163#define XIRCREG2_RBS 8 /* receive buffer start register */
164#define XIRCREG2_LED 10 /* LED Configuration register */
165/* values for the leds: Bits 2-0 for led 1
166 * 0 disabled Bits 5-3 for led 2
167 * 1 collision
168 * 2 noncollision
169 * 3 link_detected
170 * 4 incor_polarity
171 * 5 jabber
172 * 6 auto_assertion
173 * 7 rx_tx_activity
174 */
175#define XIRCREG2_MSR 12 /* Mohawk specific register */
176
177#define XIRCREG4_GPR0 8 /* General Purpose Register 0 */
178#define XIRCREG4_GPR1 9 /* General Purpose Register 1 */
179#define XIRCREG2_GPR2 13 /* General Purpose Register 2 (page2!)*/
180#define XIRCREG4_BOV 10 /* Bonding Version Register */
181#define XIRCREG4_LMA 12 /* Local Memory Address Register */
182#define XIRCREG4_LMD 14 /* Local Memory Data Port */
183/* MAC register can only by accessed with 8 bit operations */
184#define XIRCREG40_CMD0 8 /* Command Register (wr) */
185enum xirc_cmd { /* Commands */
186 Transmit = 0x01,
187 EnableRecv = 0x04,
188 DisableRecv = 0x08,
189 Abort = 0x10,
190 Online = 0x20,
191 IntrAck = 0x40,
192 Offline = 0x80
193};
194#define XIRCREG5_RHSA0 10 /* Rx Host Start Address */
195#define XIRCREG40_RXST0 9 /* Receive Status Register */
196#define XIRCREG40_TXST0 11 /* Transmit Status Register 0 */
197#define XIRCREG40_TXST1 12 /* Transmit Status Register 10 */
198#define XIRCREG40_RMASK0 13 /* Receive Mask Register */
199#define XIRCREG40_TMASK0 14 /* Transmit Mask Register 0 */
200#define XIRCREG40_TMASK1 15 /* Transmit Mask Register 0 */
201#define XIRCREG42_SWC0 8 /* Software Configuration 0 */
202#define XIRCREG42_SWC1 9 /* Software Configuration 1 */
203#define XIRCREG42_BOC 10 /* Back-Off Configuration */
204#define XIRCREG44_TDR0 8 /* Time Domain Reflectometry 0 */
205#define XIRCREG44_TDR1 9 /* Time Domain Reflectometry 1 */
206#define XIRCREG44_RXBC_LO 10 /* Rx Byte Count 0 (rd) */
207#define XIRCREG44_RXBC_HI 11 /* Rx Byte Count 1 (rd) */
208#define XIRCREG45_REV 15 /* Revision Register (rd) */
209#define XIRCREG50_IA 8 /* Individual Address (8-13) */
210
f71e1309 211static const char *if_names[] = { "Auto", "10BaseT", "10Base2", "AUI", "100BaseT" };
1da177e4
LT		 212
213/****************
214 * All the PCMCIA modules use PCMCIA_DEBUG to control debugging. If
215 * you do not define PCMCIA_DEBUG at all, all the debug code will be
216 * left out. If you compile with PCMCIA_DEBUG=0, the debug code will
217 * be present but disabled -- but it can then be enabled for specific
218 * modules at load time with a 'pc_debug=#' option to insmod.
219 */
220#ifdef PCMCIA_DEBUG
221static int pc_debug = PCMCIA_DEBUG;
222module_param(pc_debug, int, 0);
223#define DEBUG(n, args...) if (pc_debug>(n)) printk(KDBG_XIRC args)
224#else
225#define DEBUG(n, args...)
226#endif
227
228#define KDBG_XIRC KERN_DEBUG "xirc2ps_cs: "
229#define KERR_XIRC KERN_ERR "xirc2ps_cs: "
230#define KWRN_XIRC KERN_WARNING "xirc2ps_cs: "
231#define KNOT_XIRC KERN_NOTICE "xirc2ps_cs: "
232#define KINF_XIRC KERN_INFO "xirc2ps_cs: "
233
234/* card types */
235#define XIR_UNKNOWN 0 /* unknown: not supported */
236#define XIR_CE 1 /* (prodid 1) different hardware: not supported */
237#define XIR_CE2 2 /* (prodid 2) */
238#define XIR_CE3 3 /* (prodid 3) */
239#define XIR_CEM 4 /* (prodid 1) different hardware: not supported */
240#define XIR_CEM2 5 /* (prodid 2) */
241#define XIR_CEM3 6 /* (prodid 3) */
242#define XIR_CEM33 7 /* (prodid 4) */
243#define XIR_CEM56M 8 /* (prodid 5) */
244#define XIR_CEM56 9 /* (prodid 6) */
245#define XIR_CM28 10 /* (prodid 3) modem only: not supported here */
246#define XIR_CM33 11 /* (prodid 4) modem only: not supported here */
247#define XIR_CM56 12 /* (prodid 5) modem only: not supported here */
248#define XIR_CG 13 /* (prodid 1) GSM modem only: not supported */
249#define XIR_CBE 14 /* (prodid 1) cardbus ethernet: not supported */
250/*====================================================================*/
251
252/* Module parameters */
253
254MODULE_DESCRIPTION("Xircom PCMCIA ethernet driver");
255MODULE_LICENSE("Dual MPL/GPL");
256
257#define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0)
258
259INT_MODULE_PARM(if_port, 0);
260INT_MODULE_PARM(full_duplex, 0);
261INT_MODULE_PARM(do_sound, 1);
262INT_MODULE_PARM(lockup_hack, 0); /* anti lockup hack */
263
264/*====================================================================*/
265
266/* We do not process more than these number of bytes during one
267 * interrupt. (Of course we receive complete packets, so this is not
268 * an exact value).
269 * Something between 2000..22000; first value gives best interrupt latency,
270 * the second enables the usage of the complete on-chip buffer. We use the
271 * high value as the initial value.
272 */
273static unsigned maxrx_bytes = 22000;
274
275/* MII management prototypes */
276static void mii_idle(kio_addr_t ioaddr);
277static void mii_putbit(kio_addr_t ioaddr, unsigned data);
278static int mii_getbit(kio_addr_t ioaddr);
279static void mii_wbits(kio_addr_t ioaddr, unsigned data, int len);
280static unsigned mii_rd(kio_addr_t ioaddr, u_char phyaddr, u_char phyreg);
281static void mii_wr(kio_addr_t ioaddr, u_char phyaddr, u_char phyreg,
282 unsigned data, int len);
283
284/*
285 * The event() function is this driver's Card Services event handler.
286 * It will be called by Card Services when an appropriate card status
287 * event is received. The config() and release() entry points are
288 * used to configure or release a socket, in response to card insertion
289 * and ejection events. They are invoked from the event handler.
290 */
291
fba395ee 292static int has_ce2_string(struct pcmcia_device * link);
15b99ac1 293static int xirc2ps_config(struct pcmcia_device * link);
fba395ee 294static void xirc2ps_release(struct pcmcia_device * link);
1da177e4
LT		 295
296/****************
297 * The attach() and detach() entry points are used to create and destroy
298 * "instances" of the driver, where each instance represents everything
299 * needed to manage one actual PCMCIA card.
300 */
301
cc3b4866 302static void xirc2ps_detach(struct pcmcia_device *p_dev);
1da177e4
LT		 303
304/****************
305 * You'll also need to prototype all the functions that will actually
306 * be used to talk to your device. See 'pcmem_cs' for a good example
307 * of a fully self-sufficient driver; the other drivers rely more or
308 * less on other parts of the kernel.
309 */
310
7d12e780 311static irqreturn_t xirc2ps_interrupt(int irq, void *dev_id);
1da177e4 312
1da177e4
LT		 313/****************
314 * A linked list of "instances" of the device. Each actual
315 * PCMCIA card corresponds to one device instance, and is described
fba395ee 316 * by one struct pcmcia_device structure (defined in ds.h).
1da177e4
LT		 317 *
318 * You may not want to use a linked list for this -- for example, the
fba395ee 319 * memory card driver uses an array of struct pcmcia_device pointers, where minor
1da177e4
LT		 320 * device numbers are used to derive the corresponding array index.
321 */
322
1da177e4 323/****************
1da177e4
LT		 324 * A driver needs to provide a dev_node_t structure for each device
325 * on a card. In some cases, there is only one device per card (for
326 * example, ethernet cards, modems). In other cases, there may be
327 * many actual or logical devices (SCSI adapters, memory cards with
328 * multiple partitions). The dev_node_t structures need to be kept
fba395ee 329 * in a linked list starting at the 'dev' field of a struct pcmcia_device
1da177e4
LT		 330 * structure. We allocate them in the card's private data structure,
331 * because they generally can't be allocated dynamically.
332 */
333
334typedef struct local_info_t {
fd238232 335 struct pcmcia_device *p_dev;
1da177e4
LT		 336 dev_node_t node;
337 struct net_device_stats stats;
338 int card_type;
339 int probe_port;
340 int silicon; /* silicon revision. 0=old CE2, 1=Scipper, 4=Mohawk */
341 int mohawk; /* a CE3 type card */
342 int dingo; /* a CEM56 type card */
343 int new_mii; /* has full 10baseT/100baseT MII */
344 int modem; /* is a multi function card (i.e with a modem) */
345 void __iomem *dingo_ccr; /* only used for CEM56 cards */
346 unsigned last_ptr_value; /* last packets transmitted value */
347 const char *manf_str;
9a469abe 348 struct work_struct tx_timeout_task;
1da177e4
LT		 349} local_info_t;
350
351/****************
352 * Some more prototypes
353 */
354static int do_start_xmit(struct sk_buff *skb, struct net_device *dev);
355static void do_tx_timeout(struct net_device *dev);
9a469abe 356static void xirc2ps_tx_timeout_task(void *data);
1da177e4
LT		 357static struct net_device_stats *do_get_stats(struct net_device *dev);
358static void set_addresses(struct net_device *dev);
359static void set_multicast_list(struct net_device *dev);
fba395ee 360static int set_card_type(struct pcmcia_device *link, const void *s);
1da177e4
LT		 361static int do_config(struct net_device *dev, struct ifmap *map);
362static int do_open(struct net_device *dev);
363static int do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
7282d491 364static const struct ethtool_ops netdev_ethtool_ops;
1da177e4
LT		 365static void hardreset(struct net_device *dev);
366static void do_reset(struct net_device *dev, int full);
367static int init_mii(struct net_device *dev);
368static void do_powerdown(struct net_device *dev);
369static int do_stop(struct net_device *dev);
370
371/*=============== Helper functions =========================*/
372static int
fba395ee 373first_tuple(struct pcmcia_device *handle, tuple_t *tuple, cisparse_t *parse)
1da177e4
LT		 374{
375 int err;
376
377 if ((err = pcmcia_get_first_tuple(handle, tuple)) == 0 &&
378 (err = pcmcia_get_tuple_data(handle, tuple)) == 0)
379 err = pcmcia_parse_tuple(handle, tuple, parse);
380 return err;
381}
382
383static int
fba395ee 384next_tuple(struct pcmcia_device *handle, tuple_t *tuple, cisparse_t *parse)
1da177e4
LT		 385{
386 int err;
387
388 if ((err = pcmcia_get_next_tuple(handle, tuple)) == 0 &&
389 (err = pcmcia_get_tuple_data(handle, tuple)) == 0)
390 err = pcmcia_parse_tuple(handle, tuple, parse);
391 return err;
392}
393
394#define SelectPage(pgnr) outb((pgnr), ioaddr + XIRCREG_PR)
395#define GetByte(reg) ((unsigned)inb(ioaddr + (reg)))
396#define GetWord(reg) ((unsigned)inw(ioaddr + (reg)))
397#define PutByte(reg,value) outb((value), ioaddr+(reg))
398#define PutWord(reg,value) outw((value), ioaddr+(reg))
399
400/*====== Functions used for debugging =================================*/
401#if defined(PCMCIA_DEBUG) && 0 /* reading regs may change system status */
402static void
403PrintRegisters(struct net_device *dev)
404{
405 kio_addr_t ioaddr = dev->base_addr;
406
407 if (pc_debug > 1) {
408 int i, page;
409
410 printk(KDBG_XIRC "Register common: ");
411 for (i = 0; i < 8; i++)
412 printk(" %2.2x", GetByte(i));
413 printk("\n");
414 for (page = 0; page <= 8; page++) {
415 printk(KDBG_XIRC "Register page %2x: ", page);
416 SelectPage(page);
417 for (i = 8; i < 16; i++)
418 printk(" %2.2x", GetByte(i));
419 printk("\n");
420 }
421 for (page=0x40 ; page <= 0x5f; page++) {
422 if (page == 0x43 || (page >= 0x46 && page <= 0x4f)
423 || (page >= 0x51 && page <=0x5e))
424 continue;
425 printk(KDBG_XIRC "Register page %2x: ", page);
426 SelectPage(page);
427 for (i = 8; i < 16; i++)
428 printk(" %2.2x", GetByte(i));
429 printk("\n");
430 }
431 }
432}
433#endif /* PCMCIA_DEBUG */
434
435/*============== MII Management functions ===============*/
436
437/****************
438 * Turn around for read
439 */
440static void
441mii_idle(kio_addr_t ioaddr)
442{
443 PutByte(XIRCREG2_GPR2, 0x04|0); /* drive MDCK low */
444 udelay(1);
445 PutByte(XIRCREG2_GPR2, 0x04|1); /* and drive MDCK high */
446 udelay(1);
447}
448
449/****************
450 * Write a bit to MDI/O
451 */
452static void
453mii_putbit(kio_addr_t ioaddr, unsigned data)
454{
455 #if 1
456 if (data) {
457 PutByte(XIRCREG2_GPR2, 0x0c|2|0); /* set MDIO */
458 udelay(1);
459 PutByte(XIRCREG2_GPR2, 0x0c|2|1); /* and drive MDCK high */
460 udelay(1);
461 } else {
462 PutByte(XIRCREG2_GPR2, 0x0c|0|0); /* clear MDIO */
463 udelay(1);
464 PutByte(XIRCREG2_GPR2, 0x0c|0|1); /* and drive MDCK high */
465 udelay(1);
466 }
467 #else
468 if (data) {
469 PutWord(XIRCREG2_GPR2-1, 0x0e0e);
470 udelay(1);
471 PutWord(XIRCREG2_GPR2-1, 0x0f0f);
472 udelay(1);
473 } else {
474 PutWord(XIRCREG2_GPR2-1, 0x0c0c);
475 udelay(1);
476 PutWord(XIRCREG2_GPR2-1, 0x0d0d);
477 udelay(1);
478 }
479 #endif
480}
481
482/****************
483 * Get a bit from MDI/O
484 */
485static int
486mii_getbit(kio_addr_t ioaddr)
487{
488 unsigned d;
489
490 PutByte(XIRCREG2_GPR2, 4|0); /* drive MDCK low */
491 udelay(1);
492 d = GetByte(XIRCREG2_GPR2); /* read MDIO */
493 PutByte(XIRCREG2_GPR2, 4|1); /* drive MDCK high again */
494 udelay(1);
495 return d & 0x20; /* read MDIO */
496}
497
498static void
499mii_wbits(kio_addr_t ioaddr, unsigned data, int len)
500{
501 unsigned m = 1 << (len-1);
502 for (; m; m >>= 1)
503 mii_putbit(ioaddr, data & m);
504}
505
506static unsigned
507mii_rd(kio_addr_t ioaddr, u_char phyaddr, u_char phyreg)
508{
509 int i;
510 unsigned data=0, m;
511
512 SelectPage(2);
513 for (i=0; i < 32; i++) /* 32 bit preamble */
514 mii_putbit(ioaddr, 1);
515 mii_wbits(ioaddr, 0x06, 4); /* Start and opcode for read */
516 mii_wbits(ioaddr, phyaddr, 5); /* PHY address to be accessed */
517 mii_wbits(ioaddr, phyreg, 5); /* PHY register to read */
518 mii_idle(ioaddr); /* turn around */
519 mii_getbit(ioaddr);
520
521 for (m = 1<<15; m; m >>= 1)
522 if (mii_getbit(ioaddr))
523 data |= m;
524 mii_idle(ioaddr);
525 return data;
526}
527
528static void
529mii_wr(kio_addr_t ioaddr, u_char phyaddr, u_char phyreg, unsigned data, int len)
530{
531 int i;
532
533 SelectPage(2);
534 for (i=0; i < 32; i++) /* 32 bit preamble */
535 mii_putbit(ioaddr, 1);
536 mii_wbits(ioaddr, 0x05, 4); /* Start and opcode for write */
537 mii_wbits(ioaddr, phyaddr, 5); /* PHY address to be accessed */
538 mii_wbits(ioaddr, phyreg, 5); /* PHY Register to write */
539 mii_putbit(ioaddr, 1); /* turn around */
540 mii_putbit(ioaddr, 0);
541 mii_wbits(ioaddr, data, len); /* And write the data */
542 mii_idle(ioaddr);
543}
544
545/*============= Main bulk of functions =========================*/
546
547/****************
548 * xirc2ps_attach() creates an "instance" of the driver, allocating
549 * local data structures for one device. The device is registered
550 * with Card Services.
551 *
552 * The dev_link structure is initialized, but we don't actually
553 * configure the card at this point -- we wait until we receive a
554 * card insertion event.
555 */
556
f8cfa618 557static int
15b99ac1 558xirc2ps_probe(struct pcmcia_device *link)
1da177e4 559{
1da177e4
LT		 560 struct net_device *dev;
561 local_info_t *local;
1da177e4
LT		 562
563 DEBUG(0, "attach()\n");
564
565 /* Allocate the device structure */
566 dev = alloc_etherdev(sizeof(local_info_t));
567 if (!dev)
f8cfa618 568 return -ENOMEM;
1da177e4 569 local = netdev_priv(dev);
fba395ee 570 local->p_dev = link;
1da177e4
LT		 571 link->priv = dev;
572
573 /* General socket configuration */
574 link->conf.Attributes = CONF_ENABLE_IRQ;
1da177e4
LT		 575 link->conf.IntType = INT_MEMORY_AND_IO;
576 link->conf.ConfigIndex = 1;
577 link->conf.Present = PRESENT_OPTION;
578 link->irq.Handler = xirc2ps_interrupt;
579 link->irq.Instance = dev;
580
581 /* Fill in card specific entries */
582 SET_MODULE_OWNER(dev);
583 dev->hard_start_xmit = &do_start_xmit;
584 dev->set_config = &do_config;
585 dev->get_stats = &do_get_stats;
586 dev->do_ioctl = &do_ioctl;
587 SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
588 dev->set_multicast_list = &set_multicast_list;
589 dev->open = &do_open;
590 dev->stop = &do_stop;
591#ifdef HAVE_TX_TIMEOUT
592 dev->tx_timeout = do_tx_timeout;
593 dev->watchdog_timeo = TX_TIMEOUT;
9a469abe 594 INIT_WORK(&local->tx_timeout_task, xirc2ps_tx_timeout_task, dev);
1da177e4
LT		 595#endif
596
15b99ac1 597 return xirc2ps_config(link);
1da177e4
LT		 598} /* xirc2ps_attach */
599
600/****************
601 * This deletes a driver "instance". The device is de-registered
602 * with Card Services. If it has been released, all local data
603 * structures are freed. Otherwise, the structures will be freed
604 * when the device is released.
605 */
606
607static void
fba395ee 608xirc2ps_detach(struct pcmcia_device *link)
1da177e4
LT		 609{
610 struct net_device *dev = link->priv;
1da177e4
LT		 611
612 DEBUG(0, "detach(0x%p)\n", link);
613
fd238232 614 if (link->dev_node)
1da177e4
LT		 615 unregister_netdev(dev);
616
e2d40963 617 xirc2ps_release(link);
1da177e4 618
1da177e4
LT		 619 free_netdev(dev);
620} /* xirc2ps_detach */
621
622/****************
623 * Detect the type of the card. s is the buffer with the data of tuple 0x20
624 * Returns: 0 := not supported
625 * mediaid=11 and prodid=47
626 * Media-Id bits:
627 * Ethernet 0x01
628 * Tokenring 0x02
629 * Arcnet 0x04
630 * Wireless 0x08
631 * Modem 0x10
632 * GSM only 0x20
633 * Prod-Id bits:
634 * Pocket 0x10
635 * External 0x20
636 * Creditcard 0x40
637 * Cardbus 0x80
638 *
639 */
640static int
fba395ee 641set_card_type(struct pcmcia_device *link, const void *s)
1da177e4
LT		 642{
643 struct net_device *dev = link->priv;
644 local_info_t *local = netdev_priv(dev);
645 #ifdef PCMCIA_DEBUG
646 unsigned cisrev = ((const unsigned char *)s)[2];
647 #endif
648 unsigned mediaid= ((const unsigned char *)s)[3];
649 unsigned prodid = ((const unsigned char *)s)[4];
650
651 DEBUG(0, "cisrev=%02x mediaid=%02x prodid=%02x\n",
652 cisrev, mediaid, prodid);
653
654 local->mohawk = 0;
655 local->dingo = 0;
656 local->modem = 0;
657 local->card_type = XIR_UNKNOWN;
658 if (!(prodid & 0x40)) {
659 printk(KNOT_XIRC "Ooops: Not a creditcard\n");
660 return 0;
661 }
662 if (!(mediaid & 0x01)) {
663 printk(KNOT_XIRC "Not an Ethernet card\n");
664 return 0;
665 }
666 if (mediaid & 0x10) {
667 local->modem = 1;
668 switch(prodid & 15) {
669 case 1: local->card_type = XIR_CEM ; break;
670 case 2: local->card_type = XIR_CEM2 ; break;
671 case 3: local->card_type = XIR_CEM3 ; break;
672 case 4: local->card_type = XIR_CEM33 ; break;
673 case 5: local->card_type = XIR_CEM56M;
674 local->mohawk = 1;
675 break;
676 case 6:
677 case 7: /* 7 is the RealPort 10/56 */
678 local->card_type = XIR_CEM56 ;
679 local->mohawk = 1;
680 local->dingo = 1;
681 break;
682 }
683 } else {
684 switch(prodid & 15) {
685 case 1: local->card_type = has_ce2_string(link)? XIR_CE2 : XIR_CE ;
686 break;
687 case 2: local->card_type = XIR_CE2; break;
688 case 3: local->card_type = XIR_CE3;
689 local->mohawk = 1;
690 break;
691 }
692 }
693 if (local->card_type == XIR_CE || local->card_type == XIR_CEM) {
694 printk(KNOT_XIRC "Sorry, this is an old CE card\n");
695 return 0;
696 }
697 if (local->card_type == XIR_UNKNOWN)
698 printk(KNOT_XIRC "unknown card (mediaid=%02x prodid=%02x)\n",
699 mediaid, prodid);
700
701 return 1;
702}
703
704/****************
705 * There are some CE2 cards out which claim to be a CE card.
706 * This function looks for a "CE2" in the 3rd version field.
707 * Returns: true if this is a CE2
708 */
709static int
fba395ee 710has_ce2_string(struct pcmcia_device * link)
1da177e4 711{
1da177e4
LT		 712 tuple_t tuple;
713 cisparse_t parse;
714 u_char buf[256];
715
716 tuple.Attributes = 0;
717 tuple.TupleData = buf;
718 tuple.TupleDataMax = 254;
719 tuple.TupleOffset = 0;
720 tuple.DesiredTuple = CISTPL_VERS_1;
fba395ee 721 if (!first_tuple(link, &tuple, &parse) && parse.version_1.ns > 2) {
1da177e4
LT		 722 if (strstr(parse.version_1.str + parse.version_1.ofs[2], "CE2"))
723 return 1;
724 }
725 return 0;
726}
727
728/****************
729 * xirc2ps_config() is scheduled to run after a CARD_INSERTION event
730 * is received, to configure the PCMCIA socket, and to make the
731 * ethernet device available to the system.
732 */
15b99ac1 733static int
fba395ee 734xirc2ps_config(struct pcmcia_device * link)
1da177e4 735{
1da177e4
LT		 736 struct net_device *dev = link->priv;
737 local_info_t *local = netdev_priv(dev);
738 tuple_t tuple;
739 cisparse_t parse;
740 kio_addr_t ioaddr;
741 int err, i;
742 u_char buf[64];
743 cistpl_lan_node_id_t *node_id = (cistpl_lan_node_id_t*)parse.funce.data;
744 cistpl_cftable_entry_t *cf = &parse.cftable_entry;
745
746 local->dingo_ccr = NULL;
747
748 DEBUG(0, "config(0x%p)\n", link);
749
750 /*
751 * This reads the card's CONFIG tuple to find its configuration
752 * registers.
753 */
754 tuple.Attributes = 0;
755 tuple.TupleData = buf;
756 tuple.TupleDataMax = 64;
757 tuple.TupleOffset = 0;
758
759 /* Is this a valid card */
760 tuple.DesiredTuple = CISTPL_MANFID;
fba395ee 761 if ((err=first_tuple(link, &tuple, &parse))) {
1da177e4
LT		 762 printk(KNOT_XIRC "manfid not found in CIS\n");
763 goto failure;
764 }
765
766 switch(parse.manfid.manf) {
767 case MANFID_XIRCOM:
768 local->manf_str = "Xircom";
769 break;
770 case MANFID_ACCTON:
771 local->manf_str = "Accton";
772 break;
773 case MANFID_COMPAQ:
774 case MANFID_COMPAQ2:
775 local->manf_str = "Compaq";
776 break;
777 case MANFID_INTEL:
778 local->manf_str = "Intel";
779 break;
780 case MANFID_TOSHIBA:
781 local->manf_str = "Toshiba";
782 break;
783 default:
784 printk(KNOT_XIRC "Unknown Card Manufacturer ID: 0x%04x\n",
785 (unsigned)parse.manfid.manf);
786 goto failure;
787 }
788 DEBUG(0, "found %s card\n", local->manf_str);
789
790 if (!set_card_type(link, buf)) {
791 printk(KNOT_XIRC "this card is not supported\n");
792 goto failure;
793 }
794
795 /* get configuration stuff */
796 tuple.DesiredTuple = CISTPL_CONFIG;
fba395ee 797 if ((err=first_tuple(link, &tuple, &parse)))
1da177e4
LT		 798 goto cis_error;
799 link->conf.ConfigBase = parse.config.base;
800 link->conf.Present = parse.config.rmask[0];
801
802 /* get the ethernet address from the CIS */
803 tuple.DesiredTuple = CISTPL_FUNCE;
fba395ee
DB		 804 for (err = first_tuple(link, &tuple, &parse); !err;
805 err = next_tuple(link, &tuple, &parse)) {
1da177e4
LT		 806 /* Once I saw two CISTPL_FUNCE_LAN_NODE_ID entries:
807 * the first one with a length of zero the second correct -
808 * so I skip all entries with length 0 */
809 if (parse.funce.type == CISTPL_FUNCE_LAN_NODE_ID
810 && ((cistpl_lan_node_id_t *)parse.funce.data)->nb)
811 break;
812 }
813 if (err) { /* not found: try to get the node-id from tuple 0x89 */
814 tuple.DesiredTuple = 0x89; /* data layout looks like tuple 0x22 */
fba395ee
DB		 815 if ((err = pcmcia_get_first_tuple(link, &tuple)) == 0 &&
816 (err = pcmcia_get_tuple_data(link, &tuple)) == 0) {
1da177e4
LT		 817 if (tuple.TupleDataLen == 8 && *buf == CISTPL_FUNCE_LAN_NODE_ID)
818 memcpy(&parse, buf, 8);
819 else
820 err = -1;
821 }
822 }
823 if (err) { /* another try (James Lehmer's CE2 version 4.1)*/
824 tuple.DesiredTuple = CISTPL_FUNCE;
fba395ee
DB		 825 for (err = first_tuple(link, &tuple, &parse); !err;
826 err = next_tuple(link, &tuple, &parse)) {
1da177e4
LT		 827 if (parse.funce.type == 0x02 && parse.funce.data[0] == 1
828 && parse.funce.data[1] == 6 && tuple.TupleDataLen == 13) {
829 buf[1] = 4;
830 memcpy(&parse, buf+1, 8);
831 break;
832 }
833 }
834 }
835 if (err) {
836 printk(KNOT_XIRC "node-id not found in CIS\n");
837 goto failure;
838 }
839 node_id = (cistpl_lan_node_id_t *)parse.funce.data;
840 if (node_id->nb != 6) {
841 printk(KNOT_XIRC "malformed node-id in CIS\n");
842 goto failure;
843 }
844 for (i=0; i < 6; i++)
845 dev->dev_addr[i] = node_id->id[i];
846
1da177e4
LT		 847 link->io.IOAddrLines =10;
848 link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
849 link->irq.Attributes = IRQ_HANDLE_PRESENT;
850 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
851 if (local->modem) {
852 int pass;
853
854 if (do_sound) {
855 link->conf.Attributes |= CONF_ENABLE_SPKR;
856 link->conf.Status |= CCSR_AUDIO_ENA;
857 }
858 link->irq.Attributes |= IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED ;
859 link->io.NumPorts2 = 8;
860 link->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
861 if (local->dingo) {
862 /* Take the Modem IO port from the CIS and scan for a free
863 * Ethernet port */
864 link->io.NumPorts1 = 16; /* no Mako stuff anymore */
865 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
fba395ee
DB		 866 for (err = first_tuple(link, &tuple, &parse); !err;
867 err = next_tuple(link, &tuple, &parse)) {
1da177e4
LT		 868 if (cf->io.nwin > 0 && (cf->io.win[0].base & 0xf) == 8) {
869 for (ioaddr = 0x300; ioaddr < 0x400; ioaddr += 0x10) {
870 link->conf.ConfigIndex = cf->index ;
871 link->io.BasePort2 = cf->io.win[0].base;
872 link->io.BasePort1 = ioaddr;
fba395ee 873 if (!(err=pcmcia_request_io(link, &link->io)))
1da177e4
LT		 874 goto port_found;
875 }
876 }
877 }
878 } else {
879 link->io.NumPorts1 = 18;
880 /* We do 2 passes here: The first one uses the regular mapping and
881 * the second tries again, thereby considering that the 32 ports are
882 * mirrored every 32 bytes. Actually we use a mirrored port for
883 * the Mako if (on the first pass) the COR bit 5 is set.
884 */
885 for (pass=0; pass < 2; pass++) {
886 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
fba395ee
DB		 887 for (err = first_tuple(link, &tuple, &parse); !err;
888 err = next_tuple(link, &tuple, &parse)){
1da177e4
LT		 889 if (cf->io.nwin > 0 && (cf->io.win[0].base & 0xf) == 8){
890 link->conf.ConfigIndex = cf->index ;
891 link->io.BasePort2 = cf->io.win[0].base;
892 link->io.BasePort1 = link->io.BasePort2
893 + (pass ? (cf->index & 0x20 ? -24:8)
894 : (cf->index & 0x20 ? 8:-24));
fba395ee 895 if (!(err=pcmcia_request_io(link, &link->io)))
1da177e4
LT		 896 goto port_found;
897 }
898 }
899 }
900 /* if special option:
901 * try to configure as Ethernet only.
902 * .... */
903 }
904 printk(KNOT_XIRC "no ports available\n");
905 } else {
906 link->irq.Attributes |= IRQ_TYPE_EXCLUSIVE;
907 link->io.NumPorts1 = 16;
908 for (ioaddr = 0x300; ioaddr < 0x400; ioaddr += 0x10) {
909 link->io.BasePort1 = ioaddr;
fba395ee 910 if (!(err=pcmcia_request_io(link, &link->io)))
1da177e4
LT		 911 goto port_found;
912 }
913 link->io.BasePort1 = 0; /* let CS decide */
fba395ee
DB		 914 if ((err=pcmcia_request_io(link, &link->io))) {
915 cs_error(link, RequestIO, err);
1da177e4
LT		 916 goto config_error;
917 }
918 }
919 port_found:
920 if (err)
921 goto config_error;
922
923 /****************
924 * Now allocate an interrupt line. Note that this does not
925 * actually assign a handler to the interrupt.
926 */
fba395ee
DB		 927 if ((err=pcmcia_request_irq(link, &link->irq))) {
928 cs_error(link, RequestIRQ, err);
1da177e4
LT		 929 goto config_error;
930 }
931
932 /****************
933 * This actually configures the PCMCIA socket -- setting up
934 * the I/O windows and the interrupt mapping.
935 */
fba395ee
DB		 936 if ((err=pcmcia_request_configuration(link, &link->conf))) {
937 cs_error(link, RequestConfiguration, err);
1da177e4
LT		 938 goto config_error;
939 }
940
941 if (local->dingo) {
942 conf_reg_t reg;
943 win_req_t req;
944 memreq_t mem;
945
946 /* Reset the modem's BAR to the correct value
947 * This is necessary because in the RequestConfiguration call,
948 * the base address of the ethernet port (BasePort1) is written
949 * to the BAR registers of the modem.
950 */
951 reg.Action = CS_WRITE;
952 reg.Offset = CISREG_IOBASE_0;
953 reg.Value = link->io.BasePort2 & 0xff;
fba395ee
DB		 954 if ((err = pcmcia_access_configuration_register(link, &reg))) {
955 cs_error(link, AccessConfigurationRegister, err);
1da177e4
LT		 956 goto config_error;
957 }
958 reg.Action = CS_WRITE;
959 reg.Offset = CISREG_IOBASE_1;
960 reg.Value = (link->io.BasePort2 >> 8) & 0xff;
fba395ee
DB		 961 if ((err = pcmcia_access_configuration_register(link, &reg))) {
962 cs_error(link, AccessConfigurationRegister, err);
1da177e4
LT		 963 goto config_error;
964 }
965
966 /* There is no config entry for the Ethernet part which
967 * is at 0x0800. So we allocate a window into the attribute
968 * memory and write direct to the CIS registers
969 */
970 req.Attributes = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE;
971 req.Base = req.Size = 0;
972 req.AccessSpeed = 0;
fba395ee
DB		 973 if ((err = pcmcia_request_window(&link, &req, &link->win))) {
974 cs_error(link, RequestWindow, err);
1da177e4
LT		 975 goto config_error;
976 }
977 local->dingo_ccr = ioremap(req.Base,0x1000) + 0x0800;
978 mem.CardOffset = 0x0;
979 mem.Page = 0;
980 if ((err = pcmcia_map_mem_page(link->win, &mem))) {
fba395ee 981 cs_error(link, MapMemPage, err);
1da177e4
LT		 982 goto config_error;
983 }
984
985 /* Setup the CCRs; there are no infos in the CIS about the Ethernet
986 * part.
987 */
988 writeb(0x47, local->dingo_ccr + CISREG_COR);
989 ioaddr = link->io.BasePort1;
990 writeb(ioaddr & 0xff , local->dingo_ccr + CISREG_IOBASE_0);
991 writeb((ioaddr >> 8)&0xff , local->dingo_ccr + CISREG_IOBASE_1);
992
993 #if 0
994 {
995 u_char tmp;
996 printk(KERN_INFO "ECOR:");
997 for (i=0; i < 7; i++) {
998 tmp = readb(local->dingo_ccr + i*2);
999 printk(" %02x", tmp);
1000 }
1001 printk("\n");
1002 printk(KERN_INFO "DCOR:");
1003 for (i=0; i < 4; i++) {
1004 tmp = readb(local->dingo_ccr + 0x20 + i*2);
1005 printk(" %02x", tmp);
1006 }
1007 printk("\n");
1008 printk(KERN_INFO "SCOR:");
1009 for (i=0; i < 10; i++) {
1010 tmp = readb(local->dingo_ccr + 0x40 + i*2);
1011 printk(" %02x", tmp);
1012 }
1013 printk("\n");
1014 }
1015 #endif
1016
1017 writeb(0x01, local->dingo_ccr + 0x20);
1018 writeb(0x0c, local->dingo_ccr + 0x22);
1019 writeb(0x00, local->dingo_ccr + 0x24);
1020 writeb(0x00, local->dingo_ccr + 0x26);
1021 writeb(0x00, local->dingo_ccr + 0x28);
1022 }
1023
1024 /* The if_port symbol can be set when the module is loaded */
1025 local->probe_port=0;
1026 if (!if_port) {
1027 local->probe_port = dev->if_port = 1;
1028 } else if ((if_port >= 1 && if_port <= 2) ||
1029 (local->mohawk && if_port==4))
1030 dev->if_port = if_port;
1031 else
1032 printk(KNOT_XIRC "invalid if_port requested\n");
1033
1034 /* we can now register the device with the net subsystem */
1035 dev->irq = link->irq.AssignedIRQ;
1036 dev->base_addr = link->io.BasePort1;
1037
1038 if (local->dingo)
1039 do_reset(dev, 1); /* a kludge to make the cem56 work */
1040
fd238232 1041 link->dev_node = &local->node;
fba395ee 1042 SET_NETDEV_DEV(dev, &handle_to_dev(link));
1da177e4
LT		 1043
1044 if ((err=register_netdev(dev))) {
1045 printk(KNOT_XIRC "register_netdev() failed\n");
fd238232 1046 link->dev_node = NULL;
1da177e4
LT		 1047 goto config_error;
1048 }
1049
1050 strcpy(local->node.dev_name, dev->name);
1051
1052 /* give some infos about the hardware */
1053 printk(KERN_INFO "%s: %s: port %#3lx, irq %d, hwaddr",
1054 dev->name, local->manf_str,(u_long)dev->base_addr, (int)dev->irq);
1055 for (i = 0; i < 6; i++)
1056 printk("%c%02X", i?':':' ', dev->dev_addr[i]);
1057 printk("\n");
1058
15b99ac1 1059 return 0;
1da177e4
LT		 1060
1061 config_error:
1da177e4 1062 xirc2ps_release(link);
15b99ac1 1063 return -ENODEV;
1da177e4
LT		 1064
1065 cis_error:
1066 printk(KNOT_XIRC "unable to parse CIS\n");
1067 failure:
15b99ac1 1068 return -ENODEV;
1da177e4
LT		 1069} /* xirc2ps_config */
1070
1071/****************
1072 * After a card is removed, xirc2ps_release() will unregister the net
1073 * device, and release the PCMCIA configuration. If the device is
1074 * still open, this will be postponed until it is closed.
1075 */
1076static void
fba395ee 1077xirc2ps_release(struct pcmcia_device *link)
1da177e4 1078{
5f2a71fc 1079 DEBUG(0, "release(0x%p)\n", link);
1da177e4 1080
5f2a71fc
DB		 1081 if (link->win) {
1082 struct net_device *dev = link->priv;
1083 local_info_t *local = netdev_priv(dev);
1084 if (local->dingo)
1085 iounmap(local->dingo_ccr - 0x0800);
1086 }
fba395ee 1087 pcmcia_disable_device(link);
1da177e4
LT		 1088} /* xirc2ps_release */
1089
1090/*====================================================================*/
1091
98e4c28b 1092
fba395ee 1093static int xirc2ps_suspend(struct pcmcia_device *link)
98e4c28b 1094{
98e4c28b
DB		 1095 struct net_device *dev = link->priv;
1096
e2d40963
DB		 1097 if (link->open) {
1098 netif_device_detach(dev);
1099 do_powerdown(dev);
98e4c28b
DB		 1100 }
1101
1102 return 0;
1103}
1104
fba395ee 1105static int xirc2ps_resume(struct pcmcia_device *link)
98e4c28b 1106{
98e4c28b
DB		 1107 struct net_device *dev = link->priv;
1108
e2d40963 1109 if (link->open) {
8661bb5b
DB		 1110 do_reset(dev,1);
1111 netif_device_attach(dev);
98e4c28b
DB		 1112 }
1113
1114 return 0;
1115}
1116
1da177e4
LT		 1117
1118/*====================================================================*/
1119
1120/****************
1121 * This is the Interrupt service route.
1122 */
1123static irqreturn_t
7d12e780 1124xirc2ps_interrupt(int irq, void *dev_id)
1da177e4
LT		 1125{
1126 struct net_device *dev = (struct net_device *)dev_id;
1127 local_info_t *lp = netdev_priv(dev);
1128 kio_addr_t ioaddr;
1129 u_char saved_page;
1130 unsigned bytes_rcvd;
1131 unsigned int_status, eth_status, rx_status, tx_status;
1132 unsigned rsr, pktlen;
1133 ulong start_ticks = jiffies; /* fixme: jiffies rollover every 497 days
1134 * is this something to worry about?
1135 * -- on a laptop?
1136 */
1137
1138 if (!netif_device_present(dev))
1139 return IRQ_HANDLED;
1140
1141 ioaddr = dev->base_addr;
1142 if (lp->mohawk) { /* must disable the interrupt */
1143 PutByte(XIRCREG_CR, 0);
1144 }
1145
1146 DEBUG(6, "%s: interrupt %d at %#x.\n", dev->name, irq, ioaddr);
1147
1148 saved_page = GetByte(XIRCREG_PR);
1149 /* Read the ISR to see whats the cause for the interrupt.
1150 * This also clears the interrupt flags on CE2 cards
1151 */
1152 int_status = GetByte(XIRCREG_ISR);
1153 bytes_rcvd = 0;
1154 loop_entry:
1155 if (int_status == 0xff) { /* card may be ejected */
1156 DEBUG(3, "%s: interrupt %d for dead card\n", dev->name, irq);
1157 goto leave;
1158 }
1159 eth_status = GetByte(XIRCREG_ESR);
1160
1161 SelectPage(0x40);
1162 rx_status = GetByte(XIRCREG40_RXST0);
1163 PutByte(XIRCREG40_RXST0, (~rx_status & 0xff));
1164 tx_status = GetByte(XIRCREG40_TXST0);
1165 tx_status |= GetByte(XIRCREG40_TXST1) << 8;
1166 PutByte(XIRCREG40_TXST0, 0);
1167 PutByte(XIRCREG40_TXST1, 0);
1168
1169 DEBUG(3, "%s: ISR=%#2.2x ESR=%#2.2x RSR=%#2.2x TSR=%#4.4x\n",
1170 dev->name, int_status, eth_status, rx_status, tx_status);
1171
1172 /***** receive section ******/
1173 SelectPage(0);
1174 while (eth_status & FullPktRcvd) {
1175 rsr = GetByte(XIRCREG0_RSR);
1176 if (bytes_rcvd > maxrx_bytes && (rsr & PktRxOk)) {
1177 /* too many bytes received during this int, drop the rest of the
1178 * packets */
1179 lp->stats.rx_dropped++;
1180 DEBUG(2, "%s: RX drop, too much done\n", dev->name);
1181 } else if (rsr & PktRxOk) {
1182 struct sk_buff *skb;
1183
1184 pktlen = GetWord(XIRCREG0_RBC);
1185 bytes_rcvd += pktlen;
1186
1187 DEBUG(5, "rsr=%#02x packet_length=%u\n", rsr, pktlen);
1188
1189 skb = dev_alloc_skb(pktlen+3); /* 1 extra so we can use insw */
1190 if (!skb) {
1191 printk(KNOT_XIRC "low memory, packet dropped (size=%u)\n",
1192 pktlen);
1193 lp->stats.rx_dropped++;
1194 } else { /* okay get the packet */
1195 skb_reserve(skb, 2);
1196 if (lp->silicon == 0 ) { /* work around a hardware bug */
1197 unsigned rhsa; /* receive start address */
1198
1199 SelectPage(5);
1200 rhsa = GetWord(XIRCREG5_RHSA0);
1201 SelectPage(0);
1202 rhsa += 3; /* skip control infos */
1203 if (rhsa >= 0x8000)
1204 rhsa = 0;
1205 if (rhsa + pktlen > 0x8000) {
1206 unsigned i;
1207 u_char *buf = skb_put(skb, pktlen);
1208 for (i=0; i < pktlen ; i++, rhsa++) {
1209 buf[i] = GetByte(XIRCREG_EDP);
1210 if (rhsa == 0x8000) {
1211 rhsa = 0;
1212 i--;
1213 }
1214 }
1215 } else {
1216 insw(ioaddr+XIRCREG_EDP,
1217 skb_put(skb, pktlen), (pktlen+1)>>1);
1218 }
1219 }
1220 #if 0
1221 else if (lp->mohawk) {
1222 /* To use this 32 bit access we should use
1223 * a manual optimized loop
1224 * Also the words are swapped, we can get more
1225 * performance by using 32 bit access and swapping
1226 * the words in a register. Will need this for cardbus
1227 *
1228 * Note: don't forget to change the ALLOC_SKB to .. +3
1229 */
1230 unsigned i;
1231 u_long *p = skb_put(skb, pktlen);
1232 register u_long a;
1233 kio_addr_t edpreg = ioaddr+XIRCREG_EDP-2;
1234 for (i=0; i < len ; i += 4, p++) {
1235 a = inl(edpreg);
1236 __asm__("rorl $16,%0\n\t"
1237 :"=q" (a)
1238 : "0" (a));
1239 *p = a;
1240 }
1241 }
1242 #endif
1243 else {
1244 insw(ioaddr+XIRCREG_EDP, skb_put(skb, pktlen),
1245 (pktlen+1)>>1);
1246 }
1247 skb->protocol = eth_type_trans(skb, dev);
1248 skb->dev = dev;
1249 netif_rx(skb);
1250 dev->last_rx = jiffies;
1251 lp->stats.rx_packets++;
1252 lp->stats.rx_bytes += pktlen;
1253 if (!(rsr & PhyPkt))
1254 lp->stats.multicast++;
1255 }
1256 } else { /* bad packet */
1257 DEBUG(5, "rsr=%#02x\n", rsr);
1258 }
1259 if (rsr & PktTooLong) {
1260 lp->stats.rx_frame_errors++;
1261 DEBUG(3, "%s: Packet too long\n", dev->name);
1262 }
1263 if (rsr & CRCErr) {
1264 lp->stats.rx_crc_errors++;
1265 DEBUG(3, "%s: CRC error\n", dev->name);
1266 }
1267 if (rsr & AlignErr) {
1268 lp->stats.rx_fifo_errors++; /* okay ? */
1269 DEBUG(3, "%s: Alignment error\n", dev->name);
1270 }
1271
1272 /* clear the received/dropped/error packet */
1273 PutWord(XIRCREG0_DO, 0x8000); /* issue cmd: skip_rx_packet */
1274
1275 /* get the new ethernet status */
1276 eth_status = GetByte(XIRCREG_ESR);
1277 }
1278 if (rx_status & 0x10) { /* Receive overrun */
1279 lp->stats.rx_over_errors++;
1280 PutByte(XIRCREG_CR, ClearRxOvrun);
1281 DEBUG(3, "receive overrun cleared\n");
1282 }
1283
1284 /***** transmit section ******/
1285 if (int_status & PktTxed) {
1286 unsigned n, nn;
1287
1288 n = lp->last_ptr_value;
1289 nn = GetByte(XIRCREG0_PTR);
1290 lp->last_ptr_value = nn;
1291 if (nn < n) /* rollover */
1292 lp->stats.tx_packets += 256 - n;
1293 else if (n == nn) { /* happens sometimes - don't know why */
1294 DEBUG(0, "PTR not changed?\n");
1295 } else
1296 lp->stats.tx_packets += lp->last_ptr_value - n;
1297 netif_wake_queue(dev);
1298 }
1299 if (tx_status & 0x0002) { /* Execessive collissions */
1300 DEBUG(0, "tx restarted due to execssive collissions\n");
1301 PutByte(XIRCREG_CR, RestartTx); /* restart transmitter process */
1302 }
1303 if (tx_status & 0x0040)
1304 lp->stats.tx_aborted_errors++;
1305
1306 /* recalculate our work chunk so that we limit the duration of this
1307 * ISR to about 1/10 of a second.
1308 * Calculate only if we received a reasonable amount of bytes.
1309 */
1310 if (bytes_rcvd > 1000) {
1311 u_long duration = jiffies - start_ticks;
1312
1313 if (duration >= HZ/10) { /* if more than about 1/10 second */
1314 maxrx_bytes = (bytes_rcvd * (HZ/10)) / duration;
1315 if (maxrx_bytes < 2000)
1316 maxrx_bytes = 2000;
1317 else if (maxrx_bytes > 22000)
1318 maxrx_bytes = 22000;
1319 DEBUG(1, "set maxrx=%u (rcvd=%u ticks=%lu)\n",
1320 maxrx_bytes, bytes_rcvd, duration);
1321 } else if (!duration && maxrx_bytes < 22000) {
1322 /* now much faster */
1323 maxrx_bytes += 2000;
1324 if (maxrx_bytes > 22000)
1325 maxrx_bytes = 22000;
1326 DEBUG(1, "set maxrx=%u\n", maxrx_bytes);
1327 }
1328 }
1329
1330 leave:
1331 if (lockup_hack) {
1332 if (int_status != 0xff && (int_status = GetByte(XIRCREG_ISR)) != 0)
1333 goto loop_entry;
1334 }
1335 SelectPage(saved_page);
1336 PutByte(XIRCREG_CR, EnableIntr); /* re-enable interrupts */
1337 /* Instead of dropping packets during a receive, we could
1338 * force an interrupt with this command:
1339 * PutByte(XIRCREG_CR, EnableIntr|ForceIntr);
1340 */
1341 return IRQ_HANDLED;
1342} /* xirc2ps_interrupt */
1343
1344/*====================================================================*/
1345
1346static void
9a469abe 1347xirc2ps_tx_timeout_task(void *data)
1da177e4 1348{
9a469abe 1349 struct net_device *dev = data;
1da177e4
LT		 1350 /* reset the card */
1351 do_reset(dev,1);
1352 dev->trans_start = jiffies;
1353 netif_wake_queue(dev);
1354}
1355
9a469abe
JA		 1356static void
1357do_tx_timeout(struct net_device *dev)
1358{
1359 local_info_t *lp = netdev_priv(dev);
1360 lp->stats.tx_errors++;
1361 printk(KERN_NOTICE "%s: transmit timed out\n", dev->name);
1362 schedule_work(&lp->tx_timeout_task);
1363}
1364
1da177e4
LT		 1365static int
1366do_start_xmit(struct sk_buff *skb, struct net_device *dev)
1367{
1368 local_info_t *lp = netdev_priv(dev);
1369 kio_addr_t ioaddr = dev->base_addr;
1370 int okay;
1371 unsigned freespace;
da4f5ccf 1372 unsigned pktlen = skb->len;
1da177e4
LT		 1373
1374 DEBUG(1, "do_start_xmit(skb=%p, dev=%p) len=%u\n",
1375 skb, dev, pktlen);
1376
1377
1378 /* adjust the packet length to min. required
1379 * and hope that the buffer is large enough
1380 * to provide some random data.
1381 * fixme: For Mohawk we can change this by sending
1382 * a larger packetlen than we actually have; the chip will
1383 * pad this in his buffer with random bytes
1384 */
1385 if (pktlen < ETH_ZLEN)
1386 {
5b057c6b 1387 if (skb_padto(skb, ETH_ZLEN))
1da177e4
LT		 1388 return 0;
1389 pktlen = ETH_ZLEN;
1390 }
1391
1392 netif_stop_queue(dev);
1393 SelectPage(0);
1394 PutWord(XIRCREG0_TRS, (u_short)pktlen+2);
1395 freespace = GetWord(XIRCREG0_TSO);
1396 okay = freespace & 0x8000;
1397 freespace &= 0x7fff;
1398 /* TRS doesn't work - (indeed it is eliminated with sil-rev 1) */
1399 okay = pktlen +2 < freespace;
1400 DEBUG(2 + (okay ? 2 : 0), "%s: avail. tx space=%u%s\n",
1401 dev->name, freespace, okay ? " (okay)":" (not enough)");
1402 if (!okay) { /* not enough space */
1403 return 1; /* upper layer may decide to requeue this packet */
1404 }
1405 /* send the packet */
1406 PutWord(XIRCREG_EDP, (u_short)pktlen);
1407 outsw(ioaddr+XIRCREG_EDP, skb->data, pktlen>>1);
1408 if (pktlen & 1)
1409 PutByte(XIRCREG_EDP, skb->data[pktlen-1]);
1410
1411 if (lp->mohawk)
1412 PutByte(XIRCREG_CR, TransmitPacket|EnableIntr);
1413
1414 dev_kfree_skb (skb);
1415 dev->trans_start = jiffies;
1416 lp->stats.tx_bytes += pktlen;
1417 netif_start_queue(dev);
1418 return 0;
1419}
1420
1421static struct net_device_stats *
1422do_get_stats(struct net_device *dev)
1423{
1424 local_info_t *lp = netdev_priv(dev);
1425
1426 /* lp->stats.rx_missed_errors = GetByte(?) */
1427 return &lp->stats;
1428}
1429
1430/****************
1431 * Set all addresses: This first one is the individual address,
1432 * the next 9 addresses are taken from the multicast list and
1433 * the rest is filled with the individual address.
1434 */
1435static void
1436set_addresses(struct net_device *dev)
1437{
1438 kio_addr_t ioaddr = dev->base_addr;
1439 local_info_t *lp = netdev_priv(dev);
1440 struct dev_mc_list *dmi = dev->mc_list;
1441 char *addr;
1442 int i,j,k,n;
1443
1444 SelectPage(k=0x50);
1445 for (i=0,j=8,n=0; ; i++, j++) {
1446 if (i > 5) {
1447 if (++n > 9)
1448 break;
1449 i = 0;
1450 }
1451 if (j > 15) {
1452 j = 8;
1453 k++;
1454 SelectPage(k);
1455 }
1456
1457 if (n && n <= dev->mc_count && dmi) {
1458 addr = dmi->dmi_addr;
1459 dmi = dmi->next;
1460 } else
1461 addr = dev->dev_addr;
1462
1463 if (lp->mohawk)
1464 PutByte(j, addr[5-i]);
1465 else
1466 PutByte(j, addr[i]);
1467 }
1468 SelectPage(0);
1469}
1470
1471/****************
1472 * Set or clear the multicast filter for this adaptor.
1473 * We can filter up to 9 addresses, if more are requested we set
1474 * multicast promiscuous mode.
1475 */
1476
1477static void
1478set_multicast_list(struct net_device *dev)
1479{
1480 kio_addr_t ioaddr = dev->base_addr;
1481
1482 SelectPage(0x42);
1483 if (dev->flags & IFF_PROMISC) { /* snoop */
1484 PutByte(XIRCREG42_SWC1, 0x06); /* set MPE and PME */
1485 } else if (dev->mc_count > 9 || (dev->flags & IFF_ALLMULTI)) {
1486 PutByte(XIRCREG42_SWC1, 0x06); /* set MPE */
1487 } else if (dev->mc_count) {
1488 /* the chip can filter 9 addresses perfectly */
1489 PutByte(XIRCREG42_SWC1, 0x00);
1490 SelectPage(0x40);
1491 PutByte(XIRCREG40_CMD0, Offline);
1492 set_addresses(dev);
1493 SelectPage(0x40);
1494 PutByte(XIRCREG40_CMD0, EnableRecv | Online);
1495 } else { /* standard usage */
1496 PutByte(XIRCREG42_SWC1, 0x00);
1497 }
1498 SelectPage(0);
1499}
1500
1501static int
1502do_config(struct net_device *dev, struct ifmap *map)
1503{
1504 local_info_t *local = netdev_priv(dev);
1505
1506 DEBUG(0, "do_config(%p)\n", dev);
1507 if (map->port != 255 && map->port != dev->if_port) {
1508 if (map->port > 4)
1509 return -EINVAL;
1510 if (!map->port) {
1511 local->probe_port = 1;
1512 dev->if_port = 1;
1513 } else {
1514 local->probe_port = 0;
1515 dev->if_port = map->port;
1516 }
1517 printk(KERN_INFO "%s: switching to %s port\n",
1518 dev->name, if_names[dev->if_port]);
1519 do_reset(dev,1); /* not the fine way :-) */
1520 }
1521 return 0;
1522}
1523
1524/****************
1525 * Open the driver
1526 */
1527static int
1528do_open(struct net_device *dev)
1529{
1530 local_info_t *lp = netdev_priv(dev);
fba395ee 1531 struct pcmcia_device *link = lp->p_dev;
1da177e4
LT		 1532
1533 DEBUG(0, "do_open(%p)\n", dev);
1534
1535 /* Check that the PCMCIA card is still here. */
1536 /* Physical device present signature. */
9940ec36 1537 if (!pcmcia_dev_present(link))
1da177e4
LT		 1538 return -ENODEV;
1539
1540 /* okay */
1541 link->open++;
1542
1543 netif_start_queue(dev);
1544 do_reset(dev,1);
1545
1546 return 0;
1547}
1548
1549static void netdev_get_drvinfo(struct net_device *dev,
1550 struct ethtool_drvinfo *info)
1551{
1552 strcpy(info->driver, "xirc2ps_cs");
1553 sprintf(info->bus_info, "PCMCIA 0x%lx", dev->base_addr);
1554}
1555
7282d491 1556static const struct ethtool_ops netdev_ethtool_ops = {
1da177e4
LT		 1557 .get_drvinfo = netdev_get_drvinfo,
1558};
1559
1560static int
1561do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
1562{
1563 local_info_t *local = netdev_priv(dev);
1564 kio_addr_t ioaddr = dev->base_addr;
1565 u16 *data = (u16 *)&rq->ifr_ifru;
1566
1567 DEBUG(1, "%s: ioctl(%-.6s, %#04x) %04x %04x %04x %04x\n",
1568 dev->name, rq->ifr_ifrn.ifrn_name, cmd,
1569 data[0], data[1], data[2], data[3]);
1570
1571 if (!local->mohawk)
1572 return -EOPNOTSUPP;
1573
1574 switch(cmd) {
1575 case SIOCGMIIPHY: /* Get the address of the PHY in use. */
1576 data[0] = 0; /* we have only this address */
93b1fae4 1577 /* fall through */
1da177e4
LT		 1578 case SIOCGMIIREG: /* Read the specified MII register. */
1579 data[3] = mii_rd(ioaddr, data[0] & 0x1f, data[1] & 0x1f);
1580 break;
1581 case SIOCSMIIREG: /* Write the specified MII register */
1582 if (!capable(CAP_NET_ADMIN))
1583 return -EPERM;
1584 mii_wr(ioaddr, data[0] & 0x1f, data[1] & 0x1f, data[2], 16);
1585 break;
1586 default:
1587 return -EOPNOTSUPP;
1588 }
1589 return 0;
1590}
1591
1592static void
1593hardreset(struct net_device *dev)
1594{
1595 local_info_t *local = netdev_priv(dev);
1596 kio_addr_t ioaddr = dev->base_addr;
1597
1598 SelectPage(4);
1599 udelay(1);
1600 PutByte(XIRCREG4_GPR1, 0); /* clear bit 0: power down */
1601 msleep(40); /* wait 40 msec */
1602 if (local->mohawk)
1603 PutByte(XIRCREG4_GPR1, 1); /* set bit 0: power up */
1604 else
1605 PutByte(XIRCREG4_GPR1, 1 | 4); /* set bit 0: power up, bit 2: AIC */
1606 msleep(20); /* wait 20 msec */
1607}
1608
1609static void
1610do_reset(struct net_device *dev, int full)
1611{
1612 local_info_t *local = netdev_priv(dev);
1613 kio_addr_t ioaddr = dev->base_addr;
1614 unsigned value;
1615
1616 DEBUG(0, "%s: do_reset(%p,%d)\n", dev? dev->name:"eth?", dev, full);
1617
1618 hardreset(dev);
1619 PutByte(XIRCREG_CR, SoftReset); /* set */
1620 msleep(20); /* wait 20 msec */
1621 PutByte(XIRCREG_CR, 0); /* clear */
1622 msleep(40); /* wait 40 msec */
1623 if (local->mohawk) {
1624 SelectPage(4);
1625 /* set pin GP1 and GP2 to output (0x0c)
1626 * set GP1 to low to power up the ML6692 (0x00)
1627 * set GP2 to high to power up the 10Mhz chip (0x02)
1628 */
1629 PutByte(XIRCREG4_GPR0, 0x0e);
1630 }
1631
1632 /* give the circuits some time to power up */
1633 msleep(500); /* about 500ms */
1634
1635 local->last_ptr_value = 0;
1636 local->silicon = local->mohawk ? (GetByte(XIRCREG4_BOV) & 0x70) >> 4
1637 : (GetByte(XIRCREG4_BOV) & 0x30) >> 4;
1638
1639 if (local->probe_port) {
1640 if (!local->mohawk) {
1641 SelectPage(4);
1642 PutByte(XIRCREG4_GPR0, 4);
1643 local->probe_port = 0;
1644 }
1645 } else if (dev->if_port == 2) { /* enable 10Base2 */
1646 SelectPage(0x42);
1647 PutByte(XIRCREG42_SWC1, 0xC0);
1648 } else { /* enable 10BaseT */
1649 SelectPage(0x42);
1650 PutByte(XIRCREG42_SWC1, 0x80);
1651 }
1652 msleep(40); /* wait 40 msec to let it complete */
1653
1654 #ifdef PCMCIA_DEBUG
1655 if (pc_debug) {
1656 SelectPage(0);
1657 value = GetByte(XIRCREG_ESR); /* read the ESR */
1658 printk(KERN_DEBUG "%s: ESR is: %#02x\n", dev->name, value);
1659 }
1660 #endif
1661
1662 /* setup the ECR */
1663 SelectPage(1);
1664 PutByte(XIRCREG1_IMR0, 0xff); /* allow all ints */
1665 PutByte(XIRCREG1_IMR1, 1 ); /* and Set TxUnderrunDetect */
1666 value = GetByte(XIRCREG1_ECR);
1667 #if 0
1668 if (local->mohawk)
1669 value |= DisableLinkPulse;
1670 PutByte(XIRCREG1_ECR, value);
1671 #endif
1672 DEBUG(0, "%s: ECR is: %#02x\n", dev->name, value);
1673
1674 SelectPage(0x42);
1675 PutByte(XIRCREG42_SWC0, 0x20); /* disable source insertion */
1676
1677 if (local->silicon != 1) {
1678 /* set the local memory dividing line.
1679 * The comments in the sample code say that this is only
1680 * settable with the scipper version 2 which is revision 0.
1681 * Always for CE3 cards
1682 */
1683 SelectPage(2);
1684 PutWord(XIRCREG2_RBS, 0x2000);
1685 }
1686
1687 if (full)
1688 set_addresses(dev);
1689
1690 /* Hardware workaround:
1691 * The receive byte pointer after reset is off by 1 so we need
1692 * to move the offset pointer back to 0.
1693 */
1694 SelectPage(0);
1695 PutWord(XIRCREG0_DO, 0x2000); /* change offset command, off=0 */
1696
1697 /* setup MAC IMRs and clear status registers */
1698 SelectPage(0x40); /* Bit 7 ... bit 0 */
1699 PutByte(XIRCREG40_RMASK0, 0xff); /* ROK, RAB, rsv, RO, CRC, AE, PTL, MP */
1700 PutByte(XIRCREG40_TMASK0, 0xff); /* TOK, TAB, SQE, LL, TU, JAB, EXC, CRS */
1701 PutByte(XIRCREG40_TMASK1, 0xb0); /* rsv, rsv, PTD, EXT, rsv,rsv,rsv, rsv*/
1702 PutByte(XIRCREG40_RXST0, 0x00); /* ROK, RAB, REN, RO, CRC, AE, PTL, MP */
1703 PutByte(XIRCREG40_TXST0, 0x00); /* TOK, TAB, SQE, LL, TU, JAB, EXC, CRS */
1704 PutByte(XIRCREG40_TXST1, 0x00); /* TEN, rsv, PTD, EXT, retry_counter:4 */
1705
1706 if (full && local->mohawk && init_mii(dev)) {
1707 if (dev->if_port == 4 || local->dingo || local->new_mii) {
1708 printk(KERN_INFO "%s: MII selected\n", dev->name);
1709 SelectPage(2);
1710 PutByte(XIRCREG2_MSR, GetByte(XIRCREG2_MSR) | 0x08);
1711 msleep(20);
1712 } else {
1713 printk(KERN_INFO "%s: MII detected; using 10mbs\n",
1714 dev->name);
1715 SelectPage(0x42);
1716 if (dev->if_port == 2) /* enable 10Base2 */
1717 PutByte(XIRCREG42_SWC1, 0xC0);
1718 else /* enable 10BaseT */
1719 PutByte(XIRCREG42_SWC1, 0x80);
1720 msleep(40); /* wait 40 msec to let it complete */
1721 }
1722 if (full_duplex)
1723 PutByte(XIRCREG1_ECR, GetByte(XIRCREG1_ECR | FullDuplex));
1724 } else { /* No MII */
1725 SelectPage(0);
1726 value = GetByte(XIRCREG_ESR); /* read the ESR */
1727 dev->if_port = (value & MediaSelect) ? 1 : 2;
1728 }
1729
1730 /* configure the LEDs */
1731 SelectPage(2);
1732 if (dev->if_port == 1 || dev->if_port == 4) /* TP: Link and Activity */
1733 PutByte(XIRCREG2_LED, 0x3b);
1734 else /* Coax: Not-Collision and Activity */
1735 PutByte(XIRCREG2_LED, 0x3a);
1736
1737 if (local->dingo)
1738 PutByte(0x0b, 0x04); /* 100 Mbit LED */
1739
1740 /* enable receiver and put the mac online */
1741 if (full) {
1742 SelectPage(0x40);
1743 PutByte(XIRCREG40_CMD0, EnableRecv | Online);
1744 }
1745
1746 /* setup Ethernet IMR and enable interrupts */
1747 SelectPage(1);
1748 PutByte(XIRCREG1_IMR0, 0xff);
1749 udelay(1);
1750 SelectPage(0);
1751 PutByte(XIRCREG_CR, EnableIntr);
1752 if (local->modem && !local->dingo) { /* do some magic */
1753 if (!(GetByte(0x10) & 0x01))
1754 PutByte(0x10, 0x11); /* unmask master-int bit */
1755 }
1756
1757 if (full)
1758 printk(KERN_INFO "%s: media %s, silicon revision %d\n",
1759 dev->name, if_names[dev->if_port], local->silicon);
1760 /* We should switch back to page 0 to avoid a bug in revision 0
1761 * where regs with offset below 8 can't be read after an access
1762 * to the MAC registers */
1763 SelectPage(0);
1764}
1765
1766/****************
1767 * Initialize the Media-Independent-Interface
1768 * Returns: True if we have a good MII
1769 */
1770static int
1771init_mii(struct net_device *dev)
1772{
1773 local_info_t *local = netdev_priv(dev);
1774 kio_addr_t ioaddr = dev->base_addr;
1775 unsigned control, status, linkpartner;
1776 int i;
1777
1778 if (if_port == 4 || if_port == 1) { /* force 100BaseT or 10BaseT */
1779 dev->if_port = if_port;
1780 local->probe_port = 0;
1781 return 1;
1782 }
1783
1784 status = mii_rd(ioaddr, 0, 1);
1785 if ((status & 0xff00) != 0x7800)
1786 return 0; /* No MII */
1787
1788 local->new_mii = (mii_rd(ioaddr, 0, 2) != 0xffff);
1789
1790 if (local->probe_port)
1791 control = 0x1000; /* auto neg */
1792 else if (dev->if_port == 4)
1793 control = 0x2000; /* no auto neg, 100mbs mode */
1794 else
1795 control = 0x0000; /* no auto neg, 10mbs mode */
1796 mii_wr(ioaddr, 0, 0, control, 16);
1797 udelay(100);
1798 control = mii_rd(ioaddr, 0, 0);
1799
1800 if (control & 0x0400) {
1801 printk(KERN_NOTICE "%s can't take PHY out of isolation mode\n",
1802 dev->name);
1803 local->probe_port = 0;
1804 return 0;
1805 }
1806
1807 if (local->probe_port) {
1808 /* according to the DP83840A specs the auto negotiation process
1809 * may take up to 3.5 sec, so we use this also for our ML6692
1810 * Fixme: Better to use a timer here!
1811 */
1812 for (i=0; i < 35; i++) {
1813 msleep(100); /* wait 100 msec */
1814 status = mii_rd(ioaddr, 0, 1);
1815 if ((status & 0x0020) && (status & 0x0004))
1816 break;
1817 }
1818
1819 if (!(status & 0x0020)) {
1820 printk(KERN_INFO "%s: autonegotiation failed;"
1821 " using 10mbs\n", dev->name);
1822 if (!local->new_mii) {
1823 control = 0x0000;
1824 mii_wr(ioaddr, 0, 0, control, 16);
1825 udelay(100);
1826 SelectPage(0);
1827 dev->if_port = (GetByte(XIRCREG_ESR) & MediaSelect) ? 1 : 2;
1828 }
1829 } else {
1830 linkpartner = mii_rd(ioaddr, 0, 5);
1831 printk(KERN_INFO "%s: MII link partner: %04x\n",
1832 dev->name, linkpartner);
1833 if (linkpartner & 0x0080) {
1834 dev->if_port = 4;
1835 } else
1836 dev->if_port = 1;
1837 }
1838 }
1839
1840 return 1;
1841}
1842
1843static void
1844do_powerdown(struct net_device *dev)
1845{
1846
1847 kio_addr_t ioaddr = dev->base_addr;
1848
1849 DEBUG(0, "do_powerdown(%p)\n", dev);
1850
1851 SelectPage(4);
1852 PutByte(XIRCREG4_GPR1, 0); /* clear bit 0: power down */
1853 SelectPage(0);
1854}
1855
1856static int
1857do_stop(struct net_device *dev)
1858{
1859 kio_addr_t ioaddr = dev->base_addr;
1860 local_info_t *lp = netdev_priv(dev);
fba395ee 1861 struct pcmcia_device *link = lp->p_dev;
1da177e4
LT		 1862
1863 DEBUG(0, "do_stop(%p)\n", dev);
1864
1865 if (!link)
1866 return -ENODEV;
1867
1868 netif_stop_queue(dev);
1869
1870 SelectPage(0);
1871 PutByte(XIRCREG_CR, 0); /* disable interrupts */
1872 SelectPage(0x01);
1873 PutByte(XIRCREG1_IMR0, 0x00); /* forbid all ints */
1874 SelectPage(4);
1875 PutByte(XIRCREG4_GPR1, 0); /* clear bit 0: power down */
1876 SelectPage(0);
1877
1878 link->open--;
1879 return 0;
1880}
1881
ff07bb19
DB		 1882static struct pcmcia_device_id xirc2ps_ids[] = {
1883 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0089, 0x110a),
1884 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0138, 0x110a),
1885 PCMCIA_PFC_DEVICE_PROD_ID13(0, "Xircom", "CEM28", 0x2e3ee845, 0x0ea978ea),
1886 PCMCIA_PFC_DEVICE_PROD_ID13(0, "Xircom", "CEM33", 0x2e3ee845, 0x80609023),
1887 PCMCIA_PFC_DEVICE_PROD_ID13(0, "Xircom", "CEM56", 0x2e3ee845, 0xa650c32a),
1888 PCMCIA_PFC_DEVICE_PROD_ID13(0, "Xircom", "REM10", 0x2e3ee845, 0x76df1d29),
1889 PCMCIA_PFC_DEVICE_PROD_ID13(0, "Xircom", "XEM5600", 0x2e3ee845, 0xf1403719),
d277ad0e 1890 PCMCIA_PFC_DEVICE_PROD_ID12(0, "Xircom", "CreditCard Ethernet+Modem II", 0x2e3ee845, 0xeca401bf),
ff07bb19
DB		 1891 PCMCIA_DEVICE_MANF_CARD(0x01bf, 0x010a),
1892 PCMCIA_DEVICE_PROD_ID13("Toshiba Information Systems", "TPCENET", 0x1b3b94fe, 0xf381c1a2),
1893 PCMCIA_DEVICE_PROD_ID13("Xircom", "CE3-10/100", 0x2e3ee845, 0x0ec0ac37),
1894 PCMCIA_DEVICE_PROD_ID13("Xircom", "PS-CE2-10", 0x2e3ee845, 0x947d9073),
1895 PCMCIA_DEVICE_PROD_ID13("Xircom", "R2E-100BTX", 0x2e3ee845, 0x2464a6e3),
1896 PCMCIA_DEVICE_PROD_ID13("Xircom", "RE-10", 0x2e3ee845, 0x3e08d609),
1897 PCMCIA_DEVICE_PROD_ID13("Xircom", "XE2000", 0x2e3ee845, 0xf7188e46),
1898 PCMCIA_DEVICE_PROD_ID12("Compaq", "Ethernet LAN Card", 0x54f7c49c, 0x9fd2f0a2),
1899 PCMCIA_DEVICE_PROD_ID12("Compaq", "Netelligent 10/100 PC Card", 0x54f7c49c, 0xefe96769),
1900 PCMCIA_DEVICE_PROD_ID12("Intel", "EtherExpress(TM) PRO/100 PC Card Mobile Adapter16", 0x816cc815, 0x174397db),
1901 PCMCIA_DEVICE_PROD_ID12("Toshiba", "10/100 Ethernet PC Card", 0x44a09d9c, 0xb44deecf),
1902 /* also matches CFE-10 cards! */
1903 /* PCMCIA_DEVICE_MANF_CARD(0x0105, 0x010a), */
1904 PCMCIA_DEVICE_NULL,
1905};
1906MODULE_DEVICE_TABLE(pcmcia, xirc2ps_ids);
1907
1908
1da177e4
LT		 1909static struct pcmcia_driver xirc2ps_cs_driver = {
1910 .owner = THIS_MODULE,
1911 .drv = {
1912 .name = "xirc2ps_cs",
1913 },
15b99ac1 1914 .probe = xirc2ps_probe,
cc3b4866 1915 .remove = xirc2ps_detach,
ff07bb19 1916 .id_table = xirc2ps_ids,
98e4c28b
DB		 1917 .suspend = xirc2ps_suspend,
1918 .resume = xirc2ps_resume,
1da177e4
LT		 1919};
1920
1921static int __init
1922init_xirc2ps_cs(void)
1923{
1924 return pcmcia_register_driver(&xirc2ps_cs_driver);
1925}
1926
1927static void __exit
1928exit_xirc2ps_cs(void)
1929{
1930 pcmcia_unregister_driver(&xirc2ps_cs_driver);
1da177e4
LT		 1931}
1932
1933module_init(init_xirc2ps_cs);
1934module_exit(exit_xirc2ps_cs);
1935
1936#ifndef MODULE
1937static int __init setup_xirc2ps_cs(char *str)
1938{
1939 /* if_port, full_duplex, do_sound, lockup_hack
1940 */
1941 int ints[10] = { -1 };
1942
1943 str = get_options(str, 9, ints);
1944
1945#define MAYBE_SET(X,Y) if (ints[0] >= Y && ints[Y] != -1) { X = ints[Y]; }
1946 MAYBE_SET(if_port, 3);
1947 MAYBE_SET(full_duplex, 4);
1948 MAYBE_SET(do_sound, 5);
1949 MAYBE_SET(lockup_hack, 6);
1950#undef MAYBE_SET
1951
9b41046c 1952 return 1;
1da177e4
LT		 1953}
1954
1955__setup("xirc2ps_cs=", setup_xirc2ps_cs);
1956#endif
kernel source for telekom puls (alcatel/mediatek)