1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47static const char version[] =
48 "smc91x.c: v1.1, sep 22 2004 by Nicolas Pitre <nico@fluxnic.net>";
49
50
51#ifndef SMC_DEBUG
52#define SMC_DEBUG 0
53#endif
54
55
56#include <linux/module.h>
57#include <linux/kernel.h>
58#include <linux/sched.h>
59#include <linux/delay.h>
60#include <linux/interrupt.h>
61#include <linux/irq.h>
62#include <linux/errno.h>
63#include <linux/ioport.h>
64#include <linux/crc32.h>
65#include <linux/platform_device.h>
66#include <linux/spinlock.h>
67#include <linux/ethtool.h>
68#include <linux/mii.h>
69#include <linux/workqueue.h>
70#include <linux/of.h>
71#include <linux/of_device.h>
72#include <linux/of_gpio.h>
73
74#include <linux/netdevice.h>
75#include <linux/etherdevice.h>
76#include <linux/skbuff.h>
77
78#include <asm/io.h>
79
80#include "smc91x.h"
81
82#if defined(CONFIG_ASSABET_NEPONSET)
83#include <mach/assabet.h>
84#include <mach/neponset.h>
85#endif
86
87#ifndef SMC_NOWAIT
88# define SMC_NOWAIT 0
89#endif
90static int nowait = SMC_NOWAIT;
91module_param(nowait, int, 0400);
92MODULE_PARM_DESC(nowait, "set to 1 for no wait state");
93
94
95
96
97static int watchdog = 1000;
98module_param(watchdog, int, 0400);
99MODULE_PARM_DESC(watchdog, "transmit timeout in milliseconds");
100
101MODULE_LICENSE("GPL");
102MODULE_ALIAS("platform:smc91x");
103
104
105
106
107
108
109#define CARDNAME "smc91x"
110
111
112
113
114#define POWER_DOWN 1
115
116
117
118
119
120
121#define MEMORY_WAIT_TIME 16
122
123
124
125
126
127#define MAX_IRQ_LOOPS 8
128
129
130
131
132
133
134
135
136#define THROTTLE_TX_PKTS 0
137
138
139
140
141
142#define MII_DELAY 1
143
144#define DBG(n, dev, fmt, ...) \
145 do { \
146 if (SMC_DEBUG >= (n)) \
147 netdev_dbg(dev, fmt, ##__VA_ARGS__); \
148 } while (0)
149
150#define PRINTK(dev, fmt, ...) \
151 do { \
152 if (SMC_DEBUG > 0) \
153 netdev_info(dev, fmt, ##__VA_ARGS__); \
154 else \
155 netdev_dbg(dev, fmt, ##__VA_ARGS__); \
156 } while (0)
157
158#if SMC_DEBUG > 3
159static void PRINT_PKT(u_char *buf, int length)
160{
161 int i;
162 int remainder;
163 int lines;
164
165 lines = length / 16;
166 remainder = length % 16;
167
168 for (i = 0; i < lines ; i ++) {
169 int cur;
170 printk(KERN_DEBUG);
171 for (cur = 0; cur < 8; cur++) {
172 u_char a, b;
173 a = *buf++;
174 b = *buf++;
175 pr_cont("%02x%02x ", a, b);
176 }
177 pr_cont("\n");
178 }
179 printk(KERN_DEBUG);
180 for (i = 0; i < remainder/2 ; i++) {
181 u_char a, b;
182 a = *buf++;
183 b = *buf++;
184 pr_cont("%02x%02x ", a, b);
185 }
186 pr_cont("\n");
187}
188#else
189static inline void PRINT_PKT(u_char *buf, int length) { }
190#endif
191
192
193
194#define SMC_ENABLE_INT(lp, x) do { \
195 unsigned char mask; \
196 unsigned long smc_enable_flags; \
197 spin_lock_irqsave(&lp->lock, smc_enable_flags); \
198 mask = SMC_GET_INT_MASK(lp); \
199 mask |= (x); \
200 SMC_SET_INT_MASK(lp, mask); \
201 spin_unlock_irqrestore(&lp->lock, smc_enable_flags); \
202} while (0)
203
204
205#define SMC_DISABLE_INT(lp, x) do { \
206 unsigned char mask; \
207 unsigned long smc_disable_flags; \
208 spin_lock_irqsave(&lp->lock, smc_disable_flags); \
209 mask = SMC_GET_INT_MASK(lp); \
210 mask &= ~(x); \
211 SMC_SET_INT_MASK(lp, mask); \
212 spin_unlock_irqrestore(&lp->lock, smc_disable_flags); \
213} while (0)
214
215
216
217
218
219
220#define SMC_WAIT_MMU_BUSY(lp) do { \
221 if (unlikely(SMC_GET_MMU_CMD(lp) & MC_BUSY)) { \
222 unsigned long timeout = jiffies + 2; \
223 while (SMC_GET_MMU_CMD(lp) & MC_BUSY) { \
224 if (time_after(jiffies, timeout)) { \
225 netdev_dbg(dev, "timeout %s line %d\n", \
226 __FILE__, __LINE__); \
227 break; \
228 } \
229 cpu_relax(); \
230 } \
231 } \
232} while (0)
233
234
235
236
237
238static void smc_reset(struct net_device *dev)
239{
240 struct smc_local *lp = netdev_priv(dev);
241 void __iomem *ioaddr = lp->base;
242 unsigned int ctl, cfg;
243 struct sk_buff *pending_skb;
244
245 DBG(2, dev, "%s\n", __func__);
246
247
248 spin_lock_irq(&lp->lock);
249 SMC_SELECT_BANK(lp, 2);
250 SMC_SET_INT_MASK(lp, 0);
251 pending_skb = lp->pending_tx_skb;
252 lp->pending_tx_skb = NULL;
253 spin_unlock_irq(&lp->lock);
254
255
256 if (pending_skb) {
257 dev_kfree_skb(pending_skb);
258 dev->stats.tx_errors++;
259 dev->stats.tx_aborted_errors++;
260 }
261
262
263
264
265
266 SMC_SELECT_BANK(lp, 0);
267 SMC_SET_RCR(lp, RCR_SOFTRST);
268
269
270
271
272
273
274 SMC_SELECT_BANK(lp, 1);
275
276 cfg = CONFIG_DEFAULT;
277
278
279
280
281
282
283 if (lp->cfg.flags & SMC91X_NOWAIT)
284 cfg |= CONFIG_NO_WAIT;
285
286
287
288
289
290 cfg |= CONFIG_EPH_POWER_EN;
291
292 SMC_SET_CONFIG(lp, cfg);
293
294
295
296
297
298
299
300
301
302 udelay(1);
303
304
305 SMC_SELECT_BANK(lp, 0);
306 SMC_SET_RCR(lp, RCR_CLEAR);
307 SMC_SET_TCR(lp, TCR_CLEAR);
308
309 SMC_SELECT_BANK(lp, 1);
310 ctl = SMC_GET_CTL(lp) | CTL_LE_ENABLE;
311
312
313
314
315
316
317 if(!THROTTLE_TX_PKTS)
318 ctl |= CTL_AUTO_RELEASE;
319 else
320 ctl &= ~CTL_AUTO_RELEASE;
321 SMC_SET_CTL(lp, ctl);
322
323
324 SMC_SELECT_BANK(lp, 2);
325 SMC_SET_MMU_CMD(lp, MC_RESET);
326 SMC_WAIT_MMU_BUSY(lp);
327}
328
329
330
331
332static void smc_enable(struct net_device *dev)
333{
334 struct smc_local *lp = netdev_priv(dev);
335 void __iomem *ioaddr = lp->base;
336 int mask;
337
338 DBG(2, dev, "%s\n", __func__);
339
340
341 SMC_SELECT_BANK(lp, 0);
342 SMC_SET_TCR(lp, lp->tcr_cur_mode);
343 SMC_SET_RCR(lp, lp->rcr_cur_mode);
344
345 SMC_SELECT_BANK(lp, 1);
346 SMC_SET_MAC_ADDR(lp, dev->dev_addr);
347
348
349 mask = IM_EPH_INT|IM_RX_OVRN_INT|IM_RCV_INT;
350 if (lp->version >= (CHIP_91100 << 4))
351 mask |= IM_MDINT;
352 SMC_SELECT_BANK(lp, 2);
353 SMC_SET_INT_MASK(lp, mask);
354
355
356
357
358
359
360
361}
362
363
364
365
366static void smc_shutdown(struct net_device *dev)
367{
368 struct smc_local *lp = netdev_priv(dev);
369 void __iomem *ioaddr = lp->base;
370 struct sk_buff *pending_skb;
371
372 DBG(2, dev, "%s: %s\n", CARDNAME, __func__);
373
374
375 spin_lock_irq(&lp->lock);
376 SMC_SELECT_BANK(lp, 2);
377 SMC_SET_INT_MASK(lp, 0);
378 pending_skb = lp->pending_tx_skb;
379 lp->pending_tx_skb = NULL;
380 spin_unlock_irq(&lp->lock);
381 if (pending_skb)
382 dev_kfree_skb(pending_skb);
383
384
385 SMC_SELECT_BANK(lp, 0);
386 SMC_SET_RCR(lp, RCR_CLEAR);
387 SMC_SET_TCR(lp, TCR_CLEAR);
388
389#ifdef POWER_DOWN
390
391 SMC_SELECT_BANK(lp, 1);
392 SMC_SET_CONFIG(lp, SMC_GET_CONFIG(lp) & ~CONFIG_EPH_POWER_EN);
393#endif
394}
395
396
397
398
399static inline void smc_rcv(struct net_device *dev)
400{
401 struct smc_local *lp = netdev_priv(dev);
402 void __iomem *ioaddr = lp->base;
403 unsigned int packet_number, status, packet_len;
404
405 DBG(3, dev, "%s\n", __func__);
406
407 packet_number = SMC_GET_RXFIFO(lp);
408 if (unlikely(packet_number & RXFIFO_REMPTY)) {
409 PRINTK(dev, "smc_rcv with nothing on FIFO.\n");
410 return;
411 }
412
413
414 SMC_SET_PTR(lp, PTR_READ | PTR_RCV | PTR_AUTOINC);
415
416
417 SMC_GET_PKT_HDR(lp, status, packet_len);
418 packet_len &= 0x07ff;
419 DBG(2, dev, "RX PNR 0x%x STATUS 0x%04x LENGTH 0x%04x (%d)\n",
420 packet_number, status, packet_len, packet_len);
421
422 back:
423 if (unlikely(packet_len < 6 || status & RS_ERRORS)) {
424 if (status & RS_TOOLONG && packet_len <= (1514 + 4 + 6)) {
425
426 status &= ~RS_TOOLONG;
427 goto back;
428 }
429 if (packet_len < 6) {
430
431 netdev_err(dev, "fubar (rxlen %u status %x\n",
432 packet_len, status);
433 status |= RS_TOOSHORT;
434 }
435 SMC_WAIT_MMU_BUSY(lp);
436 SMC_SET_MMU_CMD(lp, MC_RELEASE);
437 dev->stats.rx_errors++;
438 if (status & RS_ALGNERR)
439 dev->stats.rx_frame_errors++;
440 if (status & (RS_TOOSHORT | RS_TOOLONG))
441 dev->stats.rx_length_errors++;
442 if (status & RS_BADCRC)
443 dev->stats.rx_crc_errors++;
444 } else {
445 struct sk_buff *skb;
446 unsigned char *data;
447 unsigned int data_len;
448
449
450 if (status & RS_MULTICAST)
451 dev->stats.multicast++;
452
453
454
455
456
457
458
459
460
461 skb = netdev_alloc_skb(dev, packet_len);
462 if (unlikely(skb == NULL)) {
463 SMC_WAIT_MMU_BUSY(lp);
464 SMC_SET_MMU_CMD(lp, MC_RELEASE);
465 dev->stats.rx_dropped++;
466 return;
467 }
468
469
470 skb_reserve(skb, 2);
471
472
473 if (lp->version == 0x90)
474 status |= RS_ODDFRAME;
475
476
477
478
479
480
481 data_len = packet_len - ((status & RS_ODDFRAME) ? 5 : 6);
482 data = skb_put(skb, data_len);
483 SMC_PULL_DATA(lp, data, packet_len - 4);
484
485 SMC_WAIT_MMU_BUSY(lp);
486 SMC_SET_MMU_CMD(lp, MC_RELEASE);
487
488 PRINT_PKT(data, packet_len - 4);
489
490 skb->protocol = eth_type_trans(skb, dev);
491 netif_rx(skb);
492 dev->stats.rx_packets++;
493 dev->stats.rx_bytes += data_len;
494 }
495}
496
497#ifdef CONFIG_SMP
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519#define smc_special_trylock(lock, flags) \
520({ \
521 int __ret; \
522 local_irq_save(flags); \
523 __ret = spin_trylock(lock); \
524 if (!__ret) \
525 local_irq_restore(flags); \
526 __ret; \
527})
528#define smc_special_lock(lock, flags) spin_lock_irqsave(lock, flags)
529#define smc_special_unlock(lock, flags) spin_unlock_irqrestore(lock, flags)
530#else
531#define smc_special_trylock(lock, flags) ((void)flags, true)
532#define smc_special_lock(lock, flags) do { flags = 0; } while (0)
533#define smc_special_unlock(lock, flags) do { flags = 0; } while (0)
534#endif
535
536
537
538
539static void smc_hardware_send_pkt(unsigned long data)
540{
541 struct net_device *dev = (struct net_device *)data;
542 struct smc_local *lp = netdev_priv(dev);
543 void __iomem *ioaddr = lp->base;
544 struct sk_buff *skb;
545 unsigned int packet_no, len;
546 unsigned char *buf;
547 unsigned long flags;
548
549 DBG(3, dev, "%s\n", __func__);
550
551 if (!smc_special_trylock(&lp->lock, flags)) {
552 netif_stop_queue(dev);
553 tasklet_schedule(&lp->tx_task);
554 return;
555 }
556
557 skb = lp->pending_tx_skb;
558 if (unlikely(!skb)) {
559 smc_special_unlock(&lp->lock, flags);
560 return;
561 }
562 lp->pending_tx_skb = NULL;
563
564 packet_no = SMC_GET_AR(lp);
565 if (unlikely(packet_no & AR_FAILED)) {
566 netdev_err(dev, "Memory allocation failed.\n");
567 dev->stats.tx_errors++;
568 dev->stats.tx_fifo_errors++;
569 smc_special_unlock(&lp->lock, flags);
570 goto done;
571 }
572
573
574 SMC_SET_PN(lp, packet_no);
575 SMC_SET_PTR(lp, PTR_AUTOINC);
576
577 buf = skb->data;
578 len = skb->len;
579 DBG(2, dev, "TX PNR 0x%x LENGTH 0x%04x (%d) BUF 0x%p\n",
580 packet_no, len, len, buf);
581 PRINT_PKT(buf, len);
582
583
584
585
586
587 SMC_PUT_PKT_HDR(lp, 0, len + 6);
588
589
590 SMC_PUSH_DATA(lp, buf, len & ~1);
591
592
593 SMC_outw(lp, ((len & 1) ? (0x2000 | buf[len - 1]) : 0), ioaddr,
594 DATA_REG(lp));
595
596
597
598
599
600
601
602
603
604 if (THROTTLE_TX_PKTS)
605 netif_stop_queue(dev);
606
607
608 SMC_SET_MMU_CMD(lp, MC_ENQUEUE);
609 smc_special_unlock(&lp->lock, flags);
610
611 netif_trans_update(dev);
612 dev->stats.tx_packets++;
613 dev->stats.tx_bytes += len;
614
615 SMC_ENABLE_INT(lp, IM_TX_INT | IM_TX_EMPTY_INT);
616
617done: if (!THROTTLE_TX_PKTS)
618 netif_wake_queue(dev);
619
620 dev_consume_skb_any(skb);
621}
622
623
624
625
626
627
628
629static netdev_tx_t
630smc_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
631{
632 struct smc_local *lp = netdev_priv(dev);
633 void __iomem *ioaddr = lp->base;
634 unsigned int numPages, poll_count, status;
635 unsigned long flags;
636
637 DBG(3, dev, "%s\n", __func__);
638
639 BUG_ON(lp->pending_tx_skb != NULL);
640
641
642
643
644
645
646
647
648
649
650
651
652 numPages = ((skb->len & ~1) + (6 - 1)) >> 8;
653 if (unlikely(numPages > 7)) {
654 netdev_warn(dev, "Far too big packet error.\n");
655 dev->stats.tx_errors++;
656 dev->stats.tx_dropped++;
657 dev_kfree_skb_any(skb);
658 return NETDEV_TX_OK;
659 }
660
661 smc_special_lock(&lp->lock, flags);
662
663
664 SMC_SET_MMU_CMD(lp, MC_ALLOC | numPages);
665
666
667
668
669
670 poll_count = MEMORY_WAIT_TIME;
671 do {
672 status = SMC_GET_INT(lp);
673 if (status & IM_ALLOC_INT) {
674 SMC_ACK_INT(lp, IM_ALLOC_INT);
675 break;
676 }
677 } while (--poll_count);
678
679 smc_special_unlock(&lp->lock, flags);
680
681 lp->pending_tx_skb = skb;
682 if (!poll_count) {
683
684 netif_stop_queue(dev);
685 DBG(2, dev, "TX memory allocation deferred.\n");
686 SMC_ENABLE_INT(lp, IM_ALLOC_INT);
687 } else {
688
689
690
691
692 smc_hardware_send_pkt((unsigned long)dev);
693 }
694
695 return NETDEV_TX_OK;
696}
697
698
699
700
701
702
703static void smc_tx(struct net_device *dev)
704{
705 struct smc_local *lp = netdev_priv(dev);
706 void __iomem *ioaddr = lp->base;
707 unsigned int saved_packet, packet_no, tx_status, pkt_len;
708
709 DBG(3, dev, "%s\n", __func__);
710
711
712 packet_no = SMC_GET_TXFIFO(lp);
713 if (unlikely(packet_no & TXFIFO_TEMPTY)) {
714 PRINTK(dev, "smc_tx with nothing on FIFO.\n");
715 return;
716 }
717
718
719 saved_packet = SMC_GET_PN(lp);
720 SMC_SET_PN(lp, packet_no);
721
722
723 SMC_SET_PTR(lp, PTR_AUTOINC | PTR_READ);
724 SMC_GET_PKT_HDR(lp, tx_status, pkt_len);
725 DBG(2, dev, "TX STATUS 0x%04x PNR 0x%02x\n",
726 tx_status, packet_no);
727
728 if (!(tx_status & ES_TX_SUC))
729 dev->stats.tx_errors++;
730
731 if (tx_status & ES_LOSTCARR)
732 dev->stats.tx_carrier_errors++;
733
734 if (tx_status & (ES_LATCOL | ES_16COL)) {
735 PRINTK(dev, "%s occurred on last xmit\n",
736 (tx_status & ES_LATCOL) ?
737 "late collision" : "too many collisions");
738 dev->stats.tx_window_errors++;
739 if (!(dev->stats.tx_window_errors & 63) && net_ratelimit()) {
740 netdev_info(dev, "unexpectedly large number of bad collisions. Please check duplex setting.\n");
741 }
742 }
743
744
745 SMC_WAIT_MMU_BUSY(lp);
746 SMC_SET_MMU_CMD(lp, MC_FREEPKT);
747
748
749 SMC_WAIT_MMU_BUSY(lp);
750 SMC_SET_PN(lp, saved_packet);
751
752
753 SMC_SELECT_BANK(lp, 0);
754 SMC_SET_TCR(lp, lp->tcr_cur_mode);
755 SMC_SELECT_BANK(lp, 2);
756}
757
758
759
760
761static void smc_mii_out(struct net_device *dev, unsigned int val, int bits)
762{
763 struct smc_local *lp = netdev_priv(dev);
764 void __iomem *ioaddr = lp->base;
765 unsigned int mii_reg, mask;
766
767 mii_reg = SMC_GET_MII(lp) & ~(MII_MCLK | MII_MDOE | MII_MDO);
768 mii_reg |= MII_MDOE;
769
770 for (mask = 1 << (bits - 1); mask; mask >>= 1) {
771 if (val & mask)
772 mii_reg |= MII_MDO;
773 else
774 mii_reg &= ~MII_MDO;
775
776 SMC_SET_MII(lp, mii_reg);
777 udelay(MII_DELAY);
778 SMC_SET_MII(lp, mii_reg | MII_MCLK);
779 udelay(MII_DELAY);
780 }
781}
782
783static unsigned int smc_mii_in(struct net_device *dev, int bits)
784{
785 struct smc_local *lp = netdev_priv(dev);
786 void __iomem *ioaddr = lp->base;
787 unsigned int mii_reg, mask, val;
788
789 mii_reg = SMC_GET_MII(lp) & ~(MII_MCLK | MII_MDOE | MII_MDO);
790 SMC_SET_MII(lp, mii_reg);
791
792 for (mask = 1 << (bits - 1), val = 0; mask; mask >>= 1) {
793 if (SMC_GET_MII(lp) & MII_MDI)
794 val |= mask;
795
796 SMC_SET_MII(lp, mii_reg);
797 udelay(MII_DELAY);
798 SMC_SET_MII(lp, mii_reg | MII_MCLK);
799 udelay(MII_DELAY);
800 }
801
802 return val;
803}
804
805
806
807
808static int smc_phy_read(struct net_device *dev, int phyaddr, int phyreg)
809{
810 struct smc_local *lp = netdev_priv(dev);
811 void __iomem *ioaddr = lp->base;
812 unsigned int phydata;
813
814 SMC_SELECT_BANK(lp, 3);
815
816
817 smc_mii_out(dev, 0xffffffff, 32);
818
819
820 smc_mii_out(dev, 6 << 10 | phyaddr << 5 | phyreg, 14);
821
822
823 phydata = smc_mii_in(dev, 18);
824
825
826 SMC_SET_MII(lp, SMC_GET_MII(lp) & ~(MII_MCLK|MII_MDOE|MII_MDO));
827
828 DBG(3, dev, "%s: phyaddr=0x%x, phyreg=0x%x, phydata=0x%x\n",
829 __func__, phyaddr, phyreg, phydata);
830
831 SMC_SELECT_BANK(lp, 2);
832 return phydata;
833}
834
835
836
837
838static void smc_phy_write(struct net_device *dev, int phyaddr, int phyreg,
839 int phydata)
840{
841 struct smc_local *lp = netdev_priv(dev);
842 void __iomem *ioaddr = lp->base;
843
844 SMC_SELECT_BANK(lp, 3);
845
846
847 smc_mii_out(dev, 0xffffffff, 32);
848
849
850 smc_mii_out(dev, 5 << 28 | phyaddr << 23 | phyreg << 18 | 2 << 16 | phydata, 32);
851
852
853 SMC_SET_MII(lp, SMC_GET_MII(lp) & ~(MII_MCLK|MII_MDOE|MII_MDO));
854
855 DBG(3, dev, "%s: phyaddr=0x%x, phyreg=0x%x, phydata=0x%x\n",
856 __func__, phyaddr, phyreg, phydata);
857
858 SMC_SELECT_BANK(lp, 2);
859}
860
861
862
863
864static void smc_phy_detect(struct net_device *dev)
865{
866 struct smc_local *lp = netdev_priv(dev);
867 int phyaddr;
868
869 DBG(2, dev, "%s\n", __func__);
870
871 lp->phy_type = 0;
872
873
874
875
876
877 for (phyaddr = 1; phyaddr < 33; ++phyaddr) {
878 unsigned int id1, id2;
879
880
881 id1 = smc_phy_read(dev, phyaddr & 31, MII_PHYSID1);
882 id2 = smc_phy_read(dev, phyaddr & 31, MII_PHYSID2);
883
884 DBG(3, dev, "phy_id1=0x%x, phy_id2=0x%x\n",
885 id1, id2);
886
887
888 if (id1 != 0x0000 && id1 != 0xffff && id1 != 0x8000 &&
889 id2 != 0x0000 && id2 != 0xffff && id2 != 0x8000) {
890
891 lp->mii.phy_id = phyaddr & 31;
892 lp->phy_type = id1 << 16 | id2;
893 break;
894 }
895 }
896}
897
898
899
900
901static int smc_phy_fixed(struct net_device *dev)
902{
903 struct smc_local *lp = netdev_priv(dev);
904 void __iomem *ioaddr = lp->base;
905 int phyaddr = lp->mii.phy_id;
906 int bmcr, cfg1;
907
908 DBG(3, dev, "%s\n", __func__);
909
910
911 cfg1 = smc_phy_read(dev, phyaddr, PHY_CFG1_REG);
912 cfg1 |= PHY_CFG1_LNKDIS;
913 smc_phy_write(dev, phyaddr, PHY_CFG1_REG, cfg1);
914
915
916
917
918
919 bmcr = 0;
920
921 if (lp->ctl_rfduplx)
922 bmcr |= BMCR_FULLDPLX;
923
924 if (lp->ctl_rspeed == 100)
925 bmcr |= BMCR_SPEED100;
926
927
928 smc_phy_write(dev, phyaddr, MII_BMCR, bmcr);
929
930
931 SMC_SELECT_BANK(lp, 0);
932 SMC_SET_RPC(lp, lp->rpc_cur_mode);
933 SMC_SELECT_BANK(lp, 2);
934
935 return 1;
936}
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951static int smc_phy_reset(struct net_device *dev, int phy)
952{
953 struct smc_local *lp = netdev_priv(dev);
954 unsigned int bmcr;
955 int timeout;
956
957 smc_phy_write(dev, phy, MII_BMCR, BMCR_RESET);
958
959 for (timeout = 2; timeout; timeout--) {
960 spin_unlock_irq(&lp->lock);
961 msleep(50);
962 spin_lock_irq(&lp->lock);
963
964 bmcr = smc_phy_read(dev, phy, MII_BMCR);
965 if (!(bmcr & BMCR_RESET))
966 break;
967 }
968
969 return bmcr & BMCR_RESET;
970}
971
972
973
974
975
976
977
978static void smc_phy_powerdown(struct net_device *dev)
979{
980 struct smc_local *lp = netdev_priv(dev);
981 unsigned int bmcr;
982 int phy = lp->mii.phy_id;
983
984 if (lp->phy_type == 0)
985 return;
986
987
988
989
990 cancel_work_sync(&lp->phy_configure);
991
992 bmcr = smc_phy_read(dev, phy, MII_BMCR);
993 smc_phy_write(dev, phy, MII_BMCR, bmcr | BMCR_PDOWN);
994}
995
996
997
998
999
1000
1001
1002
1003
1004static void smc_phy_check_media(struct net_device *dev, int init)
1005{
1006 struct smc_local *lp = netdev_priv(dev);
1007 void __iomem *ioaddr = lp->base;
1008
1009 if (mii_check_media(&lp->mii, netif_msg_link(lp), init)) {
1010
1011 if (lp->mii.full_duplex) {
1012 lp->tcr_cur_mode |= TCR_SWFDUP;
1013 } else {
1014 lp->tcr_cur_mode &= ~TCR_SWFDUP;
1015 }
1016
1017 SMC_SELECT_BANK(lp, 0);
1018 SMC_SET_TCR(lp, lp->tcr_cur_mode);
1019 }
1020}
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031static void smc_phy_configure(struct work_struct *work)
1032{
1033 struct smc_local *lp =
1034 container_of(work, struct smc_local, phy_configure);
1035 struct net_device *dev = lp->dev;
1036 void __iomem *ioaddr = lp->base;
1037 int phyaddr = lp->mii.phy_id;
1038 int my_phy_caps;
1039 int my_ad_caps;
1040 int status;
1041
1042 DBG(3, dev, "smc_program_phy()\n");
1043
1044 spin_lock_irq(&lp->lock);
1045
1046
1047
1048
1049 if (lp->phy_type == 0)
1050 goto smc_phy_configure_exit;
1051
1052 if (smc_phy_reset(dev, phyaddr)) {
1053 netdev_info(dev, "PHY reset timed out\n");
1054 goto smc_phy_configure_exit;
1055 }
1056
1057
1058
1059
1060
1061 smc_phy_write(dev, phyaddr, PHY_MASK_REG,
1062 PHY_INT_LOSSSYNC | PHY_INT_CWRD | PHY_INT_SSD |
1063 PHY_INT_ESD | PHY_INT_RPOL | PHY_INT_JAB |
1064 PHY_INT_SPDDET | PHY_INT_DPLXDET);
1065
1066
1067 SMC_SELECT_BANK(lp, 0);
1068 SMC_SET_RPC(lp, lp->rpc_cur_mode);
1069
1070
1071 if (lp->mii.force_media) {
1072 smc_phy_fixed(dev);
1073 goto smc_phy_configure_exit;
1074 }
1075
1076
1077 my_phy_caps = smc_phy_read(dev, phyaddr, MII_BMSR);
1078
1079 if (!(my_phy_caps & BMSR_ANEGCAPABLE)) {
1080 netdev_info(dev, "Auto negotiation NOT supported\n");
1081 smc_phy_fixed(dev);
1082 goto smc_phy_configure_exit;
1083 }
1084
1085 my_ad_caps = ADVERTISE_CSMA;
1086
1087 if (my_phy_caps & BMSR_100BASE4)
1088 my_ad_caps |= ADVERTISE_100BASE4;
1089 if (my_phy_caps & BMSR_100FULL)
1090 my_ad_caps |= ADVERTISE_100FULL;
1091 if (my_phy_caps & BMSR_100HALF)
1092 my_ad_caps |= ADVERTISE_100HALF;
1093 if (my_phy_caps & BMSR_10FULL)
1094 my_ad_caps |= ADVERTISE_10FULL;
1095 if (my_phy_caps & BMSR_10HALF)
1096 my_ad_caps |= ADVERTISE_10HALF;
1097
1098
1099 if (lp->ctl_rspeed != 100)
1100 my_ad_caps &= ~(ADVERTISE_100BASE4|ADVERTISE_100FULL|ADVERTISE_100HALF);
1101
1102 if (!lp->ctl_rfduplx)
1103 my_ad_caps &= ~(ADVERTISE_100FULL|ADVERTISE_10FULL);
1104
1105
1106 smc_phy_write(dev, phyaddr, MII_ADVERTISE, my_ad_caps);
1107 lp->mii.advertising = my_ad_caps;
1108
1109
1110
1111
1112
1113
1114 status = smc_phy_read(dev, phyaddr, MII_ADVERTISE);
1115
1116 DBG(2, dev, "phy caps=%x\n", my_phy_caps);
1117 DBG(2, dev, "phy advertised caps=%x\n", my_ad_caps);
1118
1119
1120 smc_phy_write(dev, phyaddr, MII_BMCR, BMCR_ANENABLE | BMCR_ANRESTART);
1121
1122 smc_phy_check_media(dev, 1);
1123
1124smc_phy_configure_exit:
1125 SMC_SELECT_BANK(lp, 2);
1126 spin_unlock_irq(&lp->lock);
1127}
1128
1129
1130
1131
1132
1133
1134
1135static void smc_phy_interrupt(struct net_device *dev)
1136{
1137 struct smc_local *lp = netdev_priv(dev);
1138 int phyaddr = lp->mii.phy_id;
1139 int phy18;
1140
1141 DBG(2, dev, "%s\n", __func__);
1142
1143 if (lp->phy_type == 0)
1144 return;
1145
1146 for(;;) {
1147 smc_phy_check_media(dev, 0);
1148
1149
1150 phy18 = smc_phy_read(dev, phyaddr, PHY_INT_REG);
1151 if ((phy18 & PHY_INT_INT) == 0)
1152 break;
1153 }
1154}
1155
1156
1157
1158static void smc_10bt_check_media(struct net_device *dev, int init)
1159{
1160 struct smc_local *lp = netdev_priv(dev);
1161 void __iomem *ioaddr = lp->base;
1162 unsigned int old_carrier, new_carrier;
1163
1164 old_carrier = netif_carrier_ok(dev) ? 1 : 0;
1165
1166 SMC_SELECT_BANK(lp, 0);
1167 new_carrier = (SMC_GET_EPH_STATUS(lp) & ES_LINK_OK) ? 1 : 0;
1168 SMC_SELECT_BANK(lp, 2);
1169
1170 if (init || (old_carrier != new_carrier)) {
1171 if (!new_carrier) {
1172 netif_carrier_off(dev);
1173 } else {
1174 netif_carrier_on(dev);
1175 }
1176 if (netif_msg_link(lp))
1177 netdev_info(dev, "link %s\n",
1178 new_carrier ? "up" : "down");
1179 }
1180}
1181
1182static void smc_eph_interrupt(struct net_device *dev)
1183{
1184 struct smc_local *lp = netdev_priv(dev);
1185 void __iomem *ioaddr = lp->base;
1186 unsigned int ctl;
1187
1188 smc_10bt_check_media(dev, 0);
1189
1190 SMC_SELECT_BANK(lp, 1);
1191 ctl = SMC_GET_CTL(lp);
1192 SMC_SET_CTL(lp, ctl & ~CTL_LE_ENABLE);
1193 SMC_SET_CTL(lp, ctl);
1194 SMC_SELECT_BANK(lp, 2);
1195}
1196
1197
1198
1199
1200
1201static irqreturn_t smc_interrupt(int irq, void *dev_id)
1202{
1203 struct net_device *dev = dev_id;
1204 struct smc_local *lp = netdev_priv(dev);
1205 void __iomem *ioaddr = lp->base;
1206 int status, mask, timeout, card_stats;
1207 int saved_pointer;
1208
1209 DBG(3, dev, "%s\n", __func__);
1210
1211 spin_lock(&lp->lock);
1212
1213
1214
1215
1216 SMC_INTERRUPT_PREAMBLE;
1217
1218 saved_pointer = SMC_GET_PTR(lp);
1219 mask = SMC_GET_INT_MASK(lp);
1220 SMC_SET_INT_MASK(lp, 0);
1221
1222
1223 timeout = MAX_IRQ_LOOPS;
1224
1225 do {
1226 status = SMC_GET_INT(lp);
1227
1228 DBG(2, dev, "INT 0x%02x MASK 0x%02x MEM 0x%04x FIFO 0x%04x\n",
1229 status, mask,
1230 ({ int meminfo; SMC_SELECT_BANK(lp, 0);
1231 meminfo = SMC_GET_MIR(lp);
1232 SMC_SELECT_BANK(lp, 2); meminfo; }),
1233 SMC_GET_FIFO(lp));
1234
1235 status &= mask;
1236 if (!status)
1237 break;
1238
1239 if (status & IM_TX_INT) {
1240
1241 DBG(3, dev, "TX int\n");
1242 smc_tx(dev);
1243 SMC_ACK_INT(lp, IM_TX_INT);
1244 if (THROTTLE_TX_PKTS)
1245 netif_wake_queue(dev);
1246 } else if (status & IM_RCV_INT) {
1247 DBG(3, dev, "RX irq\n");
1248 smc_rcv(dev);
1249 } else if (status & IM_ALLOC_INT) {
1250 DBG(3, dev, "Allocation irq\n");
1251 tasklet_hi_schedule(&lp->tx_task);
1252 mask &= ~IM_ALLOC_INT;
1253 } else if (status & IM_TX_EMPTY_INT) {
1254 DBG(3, dev, "TX empty\n");
1255 mask &= ~IM_TX_EMPTY_INT;
1256
1257
1258 SMC_SELECT_BANK(lp, 0);
1259 card_stats = SMC_GET_COUNTER(lp);
1260 SMC_SELECT_BANK(lp, 2);
1261
1262
1263 dev->stats.collisions += card_stats & 0xF;
1264 card_stats >>= 4;
1265
1266
1267 dev->stats.collisions += card_stats & 0xF;
1268 } else if (status & IM_RX_OVRN_INT) {
1269 DBG(1, dev, "RX overrun (EPH_ST 0x%04x)\n",
1270 ({ int eph_st; SMC_SELECT_BANK(lp, 0);
1271 eph_st = SMC_GET_EPH_STATUS(lp);
1272 SMC_SELECT_BANK(lp, 2); eph_st; }));
1273 SMC_ACK_INT(lp, IM_RX_OVRN_INT);
1274 dev->stats.rx_errors++;
1275 dev->stats.rx_fifo_errors++;
1276 } else if (status & IM_EPH_INT) {
1277 smc_eph_interrupt(dev);
1278 } else if (status & IM_MDINT) {
1279 SMC_ACK_INT(lp, IM_MDINT);
1280 smc_phy_interrupt(dev);
1281 } else if (status & IM_ERCV_INT) {
1282 SMC_ACK_INT(lp, IM_ERCV_INT);
1283 PRINTK(dev, "UNSUPPORTED: ERCV INTERRUPT\n");
1284 }
1285 } while (--timeout);
1286
1287
1288 SMC_SET_PTR(lp, saved_pointer);
1289 SMC_SET_INT_MASK(lp, mask);
1290 spin_unlock(&lp->lock);
1291
1292#ifndef CONFIG_NET_POLL_CONTROLLER
1293 if (timeout == MAX_IRQ_LOOPS)
1294 PRINTK(dev, "spurious interrupt (mask = 0x%02x)\n",
1295 mask);
1296#endif
1297 DBG(3, dev, "Interrupt done (%d loops)\n",
1298 MAX_IRQ_LOOPS - timeout);
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308 return IRQ_HANDLED;
1309}
1310
1311#ifdef CONFIG_NET_POLL_CONTROLLER
1312
1313
1314
1315
1316static void smc_poll_controller(struct net_device *dev)
1317{
1318 disable_irq(dev->irq);
1319 smc_interrupt(dev->irq, dev);
1320 enable_irq(dev->irq);
1321}
1322#endif
1323
1324
1325static void smc_timeout(struct net_device *dev)
1326{
1327 struct smc_local *lp = netdev_priv(dev);
1328 void __iomem *ioaddr = lp->base;
1329 int status, mask, eph_st, meminfo, fifo;
1330
1331 DBG(2, dev, "%s\n", __func__);
1332
1333 spin_lock_irq(&lp->lock);
1334 status = SMC_GET_INT(lp);
1335 mask = SMC_GET_INT_MASK(lp);
1336 fifo = SMC_GET_FIFO(lp);
1337 SMC_SELECT_BANK(lp, 0);
1338 eph_st = SMC_GET_EPH_STATUS(lp);
1339 meminfo = SMC_GET_MIR(lp);
1340 SMC_SELECT_BANK(lp, 2);
1341 spin_unlock_irq(&lp->lock);
1342 PRINTK(dev, "TX timeout (INT 0x%02x INTMASK 0x%02x MEM 0x%04x FIFO 0x%04x EPH_ST 0x%04x)\n",
1343 status, mask, meminfo, fifo, eph_st);
1344
1345 smc_reset(dev);
1346 smc_enable(dev);
1347
1348
1349
1350
1351
1352
1353 if (lp->phy_type != 0)
1354 schedule_work(&lp->phy_configure);
1355
1356
1357 netif_trans_update(dev);
1358 netif_wake_queue(dev);
1359}
1360
1361
1362
1363
1364
1365
1366
1367static void smc_set_multicast_list(struct net_device *dev)
1368{
1369 struct smc_local *lp = netdev_priv(dev);
1370 void __iomem *ioaddr = lp->base;
1371 unsigned char multicast_table[8];
1372 int update_multicast = 0;
1373
1374 DBG(2, dev, "%s\n", __func__);
1375
1376 if (dev->flags & IFF_PROMISC) {
1377 DBG(2, dev, "RCR_PRMS\n");
1378 lp->rcr_cur_mode |= RCR_PRMS;
1379 }
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391 else if (dev->flags & IFF_ALLMULTI || netdev_mc_count(dev) > 16) {
1392 DBG(2, dev, "RCR_ALMUL\n");
1393 lp->rcr_cur_mode |= RCR_ALMUL;
1394 }
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408 else if (!netdev_mc_empty(dev)) {
1409 struct netdev_hw_addr *ha;
1410
1411
1412 static const unsigned char invert3[] = {0, 4, 2, 6, 1, 5, 3, 7};
1413
1414
1415 memset(multicast_table, 0, sizeof(multicast_table));
1416
1417 netdev_for_each_mc_addr(ha, dev) {
1418 int position;
1419
1420
1421 position = crc32_le(~0, ha->addr, 6) & 0x3f;
1422
1423
1424 multicast_table[invert3[position&7]] |=
1425 (1<<invert3[(position>>3)&7]);
1426 }
1427
1428
1429 lp->rcr_cur_mode &= ~(RCR_PRMS | RCR_ALMUL);
1430
1431
1432 update_multicast = 1;
1433 } else {
1434 DBG(2, dev, "~(RCR_PRMS|RCR_ALMUL)\n");
1435 lp->rcr_cur_mode &= ~(RCR_PRMS | RCR_ALMUL);
1436
1437
1438
1439
1440
1441 memset(multicast_table, 0, sizeof(multicast_table));
1442 update_multicast = 1;
1443 }
1444
1445 spin_lock_irq(&lp->lock);
1446 SMC_SELECT_BANK(lp, 0);
1447 SMC_SET_RCR(lp, lp->rcr_cur_mode);
1448 if (update_multicast) {
1449 SMC_SELECT_BANK(lp, 3);
1450 SMC_SET_MCAST(lp, multicast_table);
1451 }
1452 SMC_SELECT_BANK(lp, 2);
1453 spin_unlock_irq(&lp->lock);
1454}
1455
1456
1457
1458
1459
1460
1461
1462static int
1463smc_open(struct net_device *dev)
1464{
1465 struct smc_local *lp = netdev_priv(dev);
1466
1467 DBG(2, dev, "%s\n", __func__);
1468
1469
1470 lp->tcr_cur_mode = TCR_DEFAULT;
1471 lp->rcr_cur_mode = RCR_DEFAULT;
1472 lp->rpc_cur_mode = RPC_DEFAULT |
1473 lp->cfg.leda << RPC_LSXA_SHFT |
1474 lp->cfg.ledb << RPC_LSXB_SHFT;
1475
1476
1477
1478
1479
1480 if (lp->phy_type == 0)
1481 lp->tcr_cur_mode |= TCR_MON_CSN;
1482
1483
1484 smc_reset(dev);
1485 smc_enable(dev);
1486
1487
1488 if (lp->phy_type != 0)
1489 smc_phy_configure(&lp->phy_configure);
1490 else {
1491 spin_lock_irq(&lp->lock);
1492 smc_10bt_check_media(dev, 1);
1493 spin_unlock_irq(&lp->lock);
1494 }
1495
1496 netif_start_queue(dev);
1497 return 0;
1498}
1499
1500
1501
1502
1503
1504
1505
1506
1507static int smc_close(struct net_device *dev)
1508{
1509 struct smc_local *lp = netdev_priv(dev);
1510
1511 DBG(2, dev, "%s\n", __func__);
1512
1513 netif_stop_queue(dev);
1514 netif_carrier_off(dev);
1515
1516
1517 smc_shutdown(dev);
1518 tasklet_kill(&lp->tx_task);
1519 smc_phy_powerdown(dev);
1520 return 0;
1521}
1522
1523
1524
1525
1526static int
1527smc_ethtool_get_link_ksettings(struct net_device *dev,
1528 struct ethtool_link_ksettings *cmd)
1529{
1530 struct smc_local *lp = netdev_priv(dev);
1531
1532 if (lp->phy_type != 0) {
1533 spin_lock_irq(&lp->lock);
1534 mii_ethtool_get_link_ksettings(&lp->mii, cmd);
1535 spin_unlock_irq(&lp->lock);
1536 } else {
1537 u32 supported = SUPPORTED_10baseT_Half |
1538 SUPPORTED_10baseT_Full |
1539 SUPPORTED_TP | SUPPORTED_AUI;
1540
1541 if (lp->ctl_rspeed == 10)
1542 cmd->base.speed = SPEED_10;
1543 else if (lp->ctl_rspeed == 100)
1544 cmd->base.speed = SPEED_100;
1545
1546 cmd->base.autoneg = AUTONEG_DISABLE;
1547 cmd->base.port = 0;
1548 cmd->base.duplex = lp->tcr_cur_mode & TCR_SWFDUP ?
1549 DUPLEX_FULL : DUPLEX_HALF;
1550
1551 ethtool_convert_legacy_u32_to_link_mode(
1552 cmd->link_modes.supported, supported);
1553 }
1554
1555 return 0;
1556}
1557
1558static int
1559smc_ethtool_set_link_ksettings(struct net_device *dev,
1560 const struct ethtool_link_ksettings *cmd)
1561{
1562 struct smc_local *lp = netdev_priv(dev);
1563 int ret;
1564
1565 if (lp->phy_type != 0) {
1566 spin_lock_irq(&lp->lock);
1567 ret = mii_ethtool_set_link_ksettings(&lp->mii, cmd);
1568 spin_unlock_irq(&lp->lock);
1569 } else {
1570 if (cmd->base.autoneg != AUTONEG_DISABLE ||
1571 cmd->base.speed != SPEED_10 ||
1572 (cmd->base.duplex != DUPLEX_HALF &&
1573 cmd->base.duplex != DUPLEX_FULL) ||
1574 (cmd->base.port != PORT_TP && cmd->base.port != PORT_AUI))
1575 return -EINVAL;
1576
1577
1578 lp->ctl_rfduplx = cmd->base.duplex == DUPLEX_FULL;
1579
1580
1581
1582
1583 ret = 0;
1584 }
1585
1586 return ret;
1587}
1588
1589static void
1590smc_ethtool_getdrvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
1591{
1592 strlcpy(info->driver, CARDNAME, sizeof(info->driver));
1593 strlcpy(info->version, version, sizeof(info->version));
1594 strlcpy(info->bus_info, dev_name(dev->dev.parent),
1595 sizeof(info->bus_info));
1596}
1597
1598static int smc_ethtool_nwayreset(struct net_device *dev)
1599{
1600 struct smc_local *lp = netdev_priv(dev);
1601 int ret = -EINVAL;
1602
1603 if (lp->phy_type != 0) {
1604 spin_lock_irq(&lp->lock);
1605 ret = mii_nway_restart(&lp->mii);
1606 spin_unlock_irq(&lp->lock);
1607 }
1608
1609 return ret;
1610}
1611
1612static u32 smc_ethtool_getmsglevel(struct net_device *dev)
1613{
1614 struct smc_local *lp = netdev_priv(dev);
1615 return lp->msg_enable;
1616}
1617
1618static void smc_ethtool_setmsglevel(struct net_device *dev, u32 level)
1619{
1620 struct smc_local *lp = netdev_priv(dev);
1621 lp->msg_enable = level;
1622}
1623
1624static int smc_write_eeprom_word(struct net_device *dev, u16 addr, u16 word)
1625{
1626 u16 ctl;
1627 struct smc_local *lp = netdev_priv(dev);
1628 void __iomem *ioaddr = lp->base;
1629
1630 spin_lock_irq(&lp->lock);
1631
1632 SMC_SELECT_BANK(lp, 1);
1633 SMC_SET_GP(lp, word);
1634
1635 SMC_SELECT_BANK(lp, 2);
1636 SMC_SET_PTR(lp, addr);
1637
1638 SMC_SELECT_BANK(lp, 1);
1639 ctl = SMC_GET_CTL(lp);
1640 SMC_SET_CTL(lp, ctl | (CTL_EEPROM_SELECT | CTL_STORE));
1641
1642 do {
1643 udelay(1);
1644 } while (SMC_GET_CTL(lp) & CTL_STORE);
1645
1646 SMC_SET_CTL(lp, ctl);
1647 SMC_SELECT_BANK(lp, 2);
1648 spin_unlock_irq(&lp->lock);
1649 return 0;
1650}
1651
1652static int smc_read_eeprom_word(struct net_device *dev, u16 addr, u16 *word)
1653{
1654 u16 ctl;
1655 struct smc_local *lp = netdev_priv(dev);
1656 void __iomem *ioaddr = lp->base;
1657
1658 spin_lock_irq(&lp->lock);
1659
1660 SMC_SELECT_BANK(lp, 2);
1661 SMC_SET_PTR(lp, addr | PTR_READ);
1662
1663 SMC_SELECT_BANK(lp, 1);
1664 SMC_SET_GP(lp, 0xffff);
1665 ctl = SMC_GET_CTL(lp);
1666 SMC_SET_CTL(lp, ctl | (CTL_EEPROM_SELECT | CTL_RELOAD));
1667
1668 do {
1669 udelay(1);
1670 } while (SMC_GET_CTL(lp) & CTL_RELOAD);
1671
1672 *word = SMC_GET_GP(lp);
1673
1674 SMC_SET_CTL(lp, ctl);
1675 SMC_SELECT_BANK(lp, 2);
1676 spin_unlock_irq(&lp->lock);
1677 return 0;
1678}
1679
1680static int smc_ethtool_geteeprom_len(struct net_device *dev)
1681{
1682 return 0x23 * 2;
1683}
1684
1685static int smc_ethtool_geteeprom(struct net_device *dev,
1686 struct ethtool_eeprom *eeprom, u8 *data)
1687{
1688 int i;
1689 int imax;
1690
1691 DBG(1, dev, "Reading %d bytes at %d(0x%x)\n",
1692 eeprom->len, eeprom->offset, eeprom->offset);
1693 imax = smc_ethtool_geteeprom_len(dev);
1694 for (i = 0; i < eeprom->len; i += 2) {
1695 int ret;
1696 u16 wbuf;
1697 int offset = i + eeprom->offset;
1698 if (offset > imax)
1699 break;
1700 ret = smc_read_eeprom_word(dev, offset >> 1, &wbuf);
1701 if (ret != 0)
1702 return ret;
1703 DBG(2, dev, "Read 0x%x from 0x%x\n", wbuf, offset >> 1);
1704 data[i] = (wbuf >> 8) & 0xff;
1705 data[i+1] = wbuf & 0xff;
1706 }
1707 return 0;
1708}
1709
1710static int smc_ethtool_seteeprom(struct net_device *dev,
1711 struct ethtool_eeprom *eeprom, u8 *data)
1712{
1713 int i;
1714 int imax;
1715
1716 DBG(1, dev, "Writing %d bytes to %d(0x%x)\n",
1717 eeprom->len, eeprom->offset, eeprom->offset);
1718 imax = smc_ethtool_geteeprom_len(dev);
1719 for (i = 0; i < eeprom->len; i += 2) {
1720 int ret;
1721 u16 wbuf;
1722 int offset = i + eeprom->offset;
1723 if (offset > imax)
1724 break;
1725 wbuf = (data[i] << 8) | data[i + 1];
1726 DBG(2, dev, "Writing 0x%x to 0x%x\n", wbuf, offset >> 1);
1727 ret = smc_write_eeprom_word(dev, offset >> 1, wbuf);
1728 if (ret != 0)
1729 return ret;
1730 }
1731 return 0;
1732}
1733
1734
1735static const struct ethtool_ops smc_ethtool_ops = {
1736 .get_drvinfo = smc_ethtool_getdrvinfo,
1737
1738 .get_msglevel = smc_ethtool_getmsglevel,
1739 .set_msglevel = smc_ethtool_setmsglevel,
1740 .nway_reset = smc_ethtool_nwayreset,
1741 .get_link = ethtool_op_get_link,
1742 .get_eeprom_len = smc_ethtool_geteeprom_len,
1743 .get_eeprom = smc_ethtool_geteeprom,
1744 .set_eeprom = smc_ethtool_seteeprom,
1745 .get_link_ksettings = smc_ethtool_get_link_ksettings,
1746 .set_link_ksettings = smc_ethtool_set_link_ksettings,
1747};
1748
1749static const struct net_device_ops smc_netdev_ops = {
1750 .ndo_open = smc_open,
1751 .ndo_stop = smc_close,
1752 .ndo_start_xmit = smc_hard_start_xmit,
1753 .ndo_tx_timeout = smc_timeout,
1754 .ndo_set_rx_mode = smc_set_multicast_list,
1755 .ndo_validate_addr = eth_validate_addr,
1756 .ndo_set_mac_address = eth_mac_addr,
1757#ifdef CONFIG_NET_POLL_CONTROLLER
1758 .ndo_poll_controller = smc_poll_controller,
1759#endif
1760};
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774static int smc_findirq(struct smc_local *lp)
1775{
1776 void __iomem *ioaddr = lp->base;
1777 int timeout = 20;
1778 unsigned long cookie;
1779
1780 DBG(2, lp->dev, "%s: %s\n", CARDNAME, __func__);
1781
1782 cookie = probe_irq_on();
1783
1784
1785
1786
1787
1788
1789
1790 SMC_SELECT_BANK(lp, 2);
1791 SMC_SET_INT_MASK(lp, IM_ALLOC_INT);
1792
1793
1794
1795
1796
1797 SMC_SET_MMU_CMD(lp, MC_ALLOC | 1);
1798
1799
1800
1801
1802 do {
1803 int int_status;
1804 udelay(10);
1805 int_status = SMC_GET_INT(lp);
1806 if (int_status & IM_ALLOC_INT)
1807 break;
1808 } while (--timeout);
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818 SMC_SET_INT_MASK(lp, 0);
1819
1820
1821 return probe_irq_off(cookie);
1822}
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848static int smc_probe(struct net_device *dev, void __iomem *ioaddr,
1849 unsigned long irq_flags)
1850{
1851 struct smc_local *lp = netdev_priv(dev);
1852 int retval;
1853 unsigned int val, revision_register;
1854 const char *version_string;
1855
1856 DBG(2, dev, "%s: %s\n", CARDNAME, __func__);
1857
1858
1859 val = SMC_CURRENT_BANK(lp);
1860 DBG(2, dev, "%s: bank signature probe returned 0x%04x\n",
1861 CARDNAME, val);
1862 if ((val & 0xFF00) != 0x3300) {
1863 if ((val & 0xFF) == 0x33) {
1864 netdev_warn(dev,
1865 "%s: Detected possible byte-swapped interface at IOADDR %p\n",
1866 CARDNAME, ioaddr);
1867 }
1868 retval = -ENODEV;
1869 goto err_out;
1870 }
1871
1872
1873
1874
1875
1876 SMC_SELECT_BANK(lp, 0);
1877 val = SMC_CURRENT_BANK(lp);
1878 if ((val & 0xFF00) != 0x3300) {
1879 retval = -ENODEV;
1880 goto err_out;
1881 }
1882
1883
1884
1885
1886
1887
1888
1889 SMC_SELECT_BANK(lp, 1);
1890 val = SMC_GET_BASE(lp);
1891 val = ((val & 0x1F00) >> 3) << SMC_IO_SHIFT;
1892 if (((unsigned long)ioaddr & (0x3e0 << SMC_IO_SHIFT)) != val) {
1893 netdev_warn(dev, "%s: IOADDR %p doesn't match configuration (%x).\n",
1894 CARDNAME, ioaddr, val);
1895 }
1896
1897
1898
1899
1900
1901
1902 SMC_SELECT_BANK(lp, 3);
1903 revision_register = SMC_GET_REV(lp);
1904 DBG(2, dev, "%s: revision = 0x%04x\n", CARDNAME, revision_register);
1905 version_string = chip_ids[ (revision_register >> 4) & 0xF];
1906 if (!version_string || (revision_register & 0xff00) != 0x3300) {
1907
1908 netdev_warn(dev, "%s: IO %p: Unrecognized revision register 0x%04x, Contact author.\n",
1909 CARDNAME, ioaddr, revision_register);
1910
1911 retval = -ENODEV;
1912 goto err_out;
1913 }
1914
1915
1916 pr_info_once("%s\n", version);
1917
1918
1919 dev->base_addr = (unsigned long)ioaddr;
1920 lp->base = ioaddr;
1921 lp->version = revision_register & 0xff;
1922 spin_lock_init(&lp->lock);
1923
1924
1925 SMC_SELECT_BANK(lp, 1);
1926 SMC_GET_MAC_ADDR(lp, dev->dev_addr);
1927
1928
1929 smc_reset(dev);
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946 if (dev->irq < 1) {
1947 int trials;
1948
1949 trials = 3;
1950 while (trials--) {
1951 dev->irq = smc_findirq(lp);
1952 if (dev->irq)
1953 break;
1954
1955 smc_reset(dev);
1956 }
1957 }
1958 if (dev->irq == 0) {
1959 netdev_warn(dev, "Couldn't autodetect your IRQ. Use irq=xx.\n");
1960 retval = -ENODEV;
1961 goto err_out;
1962 }
1963 dev->irq = irq_canonicalize(dev->irq);
1964
1965 dev->watchdog_timeo = msecs_to_jiffies(watchdog);
1966 dev->netdev_ops = &smc_netdev_ops;
1967 dev->ethtool_ops = &smc_ethtool_ops;
1968
1969 tasklet_init(&lp->tx_task, smc_hardware_send_pkt, (unsigned long)dev);
1970 INIT_WORK(&lp->phy_configure, smc_phy_configure);
1971 lp->dev = dev;
1972 lp->mii.phy_id_mask = 0x1f;
1973 lp->mii.reg_num_mask = 0x1f;
1974 lp->mii.force_media = 0;
1975 lp->mii.full_duplex = 0;
1976 lp->mii.dev = dev;
1977 lp->mii.mdio_read = smc_phy_read;
1978 lp->mii.mdio_write = smc_phy_write;
1979
1980
1981
1982
1983 if (lp->version >= (CHIP_91100 << 4))
1984 smc_phy_detect(dev);
1985
1986
1987 smc_shutdown(dev);
1988 smc_phy_powerdown(dev);
1989
1990
1991 lp->msg_enable = NETIF_MSG_LINK;
1992 lp->ctl_rfduplx = 0;
1993 lp->ctl_rspeed = 10;
1994
1995 if (lp->version >= (CHIP_91100 << 4)) {
1996 lp->ctl_rfduplx = 1;
1997 lp->ctl_rspeed = 100;
1998 }
1999
2000
2001 retval = request_irq(dev->irq, smc_interrupt, irq_flags, dev->name, dev);
2002 if (retval)
2003 goto err_out;
2004
2005#ifdef CONFIG_ARCH_PXA
2006# ifdef SMC_USE_PXA_DMA
2007 lp->cfg.flags |= SMC91X_USE_DMA;
2008# endif
2009 if (lp->cfg.flags & SMC91X_USE_DMA) {
2010 dma_cap_mask_t mask;
2011
2012 dma_cap_zero(mask);
2013 dma_cap_set(DMA_SLAVE, mask);
2014 lp->dma_chan = dma_request_channel(mask, NULL, NULL);
2015 }
2016#endif
2017
2018 retval = register_netdev(dev);
2019 if (retval == 0) {
2020
2021 netdev_info(dev, "%s (rev %d) at %p IRQ %d",
2022 version_string, revision_register & 0x0f,
2023 lp->base, dev->irq);
2024
2025 if (lp->dma_chan)
2026 pr_cont(" DMA %p", lp->dma_chan);
2027
2028 pr_cont("%s%s\n",
2029 lp->cfg.flags & SMC91X_NOWAIT ? " [nowait]" : "",
2030 THROTTLE_TX_PKTS ? " [throttle_tx]" : "");
2031
2032 if (!is_valid_ether_addr(dev->dev_addr)) {
2033 netdev_warn(dev, "Invalid ethernet MAC address. Please set using ifconfig\n");
2034 } else {
2035
2036 netdev_info(dev, "Ethernet addr: %pM\n",
2037 dev->dev_addr);
2038 }
2039
2040 if (lp->phy_type == 0) {
2041 PRINTK(dev, "No PHY found\n");
2042 } else if ((lp->phy_type & 0xfffffff0) == 0x0016f840) {
2043 PRINTK(dev, "PHY LAN83C183 (LAN91C111 Internal)\n");
2044 } else if ((lp->phy_type & 0xfffffff0) == 0x02821c50) {
2045 PRINTK(dev, "PHY LAN83C180\n");
2046 }
2047 }
2048
2049err_out:
2050#ifdef CONFIG_ARCH_PXA
2051 if (retval && lp->dma_chan)
2052 dma_release_channel(lp->dma_chan);
2053#endif
2054 return retval;
2055}
2056
2057static int smc_enable_device(struct platform_device *pdev)
2058{
2059 struct net_device *ndev = platform_get_drvdata(pdev);
2060 struct smc_local *lp = netdev_priv(ndev);
2061 unsigned long flags;
2062 unsigned char ecor, ecsr;
2063 void __iomem *addr;
2064 struct resource * res;
2065
2066 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-attrib");
2067 if (!res)
2068 return 0;
2069
2070
2071
2072
2073 addr = ioremap(res->start, ATTRIB_SIZE);
2074 if (!addr)
2075 return -ENOMEM;
2076
2077
2078
2079
2080
2081 local_irq_save(flags);
2082 ecor = readb(addr + (ECOR << SMC_IO_SHIFT)) & ~ECOR_RESET;
2083 writeb(ecor | ECOR_RESET, addr + (ECOR << SMC_IO_SHIFT));
2084 readb(addr + (ECOR << SMC_IO_SHIFT));
2085
2086
2087
2088
2089 udelay(100);
2090
2091
2092
2093
2094
2095
2096 writeb(ecor, addr + (ECOR << SMC_IO_SHIFT));
2097 writeb(ecor | ECOR_ENABLE, addr + (ECOR << SMC_IO_SHIFT));
2098
2099
2100
2101
2102 ecsr = readb(addr + (ECSR << SMC_IO_SHIFT)) & ~ECSR_IOIS8;
2103 if (!SMC_16BIT(lp))
2104 ecsr |= ECSR_IOIS8;
2105 writeb(ecsr, addr + (ECSR << SMC_IO_SHIFT));
2106 local_irq_restore(flags);
2107
2108 iounmap(addr);
2109
2110
2111
2112
2113
2114
2115 msleep(1);
2116
2117 return 0;
2118}
2119
2120static int smc_request_attrib(struct platform_device *pdev,
2121 struct net_device *ndev)
2122{
2123 struct resource * res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-attrib");
2124 struct smc_local *lp __maybe_unused = netdev_priv(ndev);
2125
2126 if (!res)
2127 return 0;
2128
2129 if (!request_mem_region(res->start, ATTRIB_SIZE, CARDNAME))
2130 return -EBUSY;
2131
2132 return 0;
2133}
2134
2135static void smc_release_attrib(struct platform_device *pdev,
2136 struct net_device *ndev)
2137{
2138 struct resource * res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-attrib");
2139 struct smc_local *lp __maybe_unused = netdev_priv(ndev);
2140
2141 if (res)
2142 release_mem_region(res->start, ATTRIB_SIZE);
2143}
2144
2145static inline void smc_request_datacs(struct platform_device *pdev, struct net_device *ndev)
2146{
2147 if (SMC_CAN_USE_DATACS) {
2148 struct resource * res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-data32");
2149 struct smc_local *lp = netdev_priv(ndev);
2150
2151 if (!res)
2152 return;
2153
2154 if(!request_mem_region(res->start, SMC_DATA_EXTENT, CARDNAME)) {
2155 netdev_info(ndev, "%s: failed to request datacs memory region.\n",
2156 CARDNAME);
2157 return;
2158 }
2159
2160 lp->datacs = ioremap(res->start, SMC_DATA_EXTENT);
2161 }
2162}
2163
2164static void smc_release_datacs(struct platform_device *pdev, struct net_device *ndev)
2165{
2166 if (SMC_CAN_USE_DATACS) {
2167 struct smc_local *lp = netdev_priv(ndev);
2168 struct resource * res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-data32");
2169
2170 if (lp->datacs)
2171 iounmap(lp->datacs);
2172
2173 lp->datacs = NULL;
2174
2175 if (res)
2176 release_mem_region(res->start, SMC_DATA_EXTENT);
2177 }
2178}
2179
2180static const struct acpi_device_id smc91x_acpi_match[] = {
2181 { "LNRO0003", 0 },
2182 { }
2183};
2184MODULE_DEVICE_TABLE(acpi, smc91x_acpi_match);
2185
2186#if IS_BUILTIN(CONFIG_OF)
2187static const struct of_device_id smc91x_match[] = {
2188 { .compatible = "smsc,lan91c94", },
2189 { .compatible = "smsc,lan91c111", },
2190 {},
2191};
2192MODULE_DEVICE_TABLE(of, smc91x_match);
2193
2194
2195
2196
2197static int try_toggle_control_gpio(struct device *dev,
2198 struct gpio_desc **desc,
2199 const char *name, int index,
2200 int value, unsigned int nsdelay)
2201{
2202 struct gpio_desc *gpio = *desc;
2203 enum gpiod_flags flags = value ? GPIOD_OUT_LOW : GPIOD_OUT_HIGH;
2204
2205 gpio = devm_gpiod_get_index_optional(dev, name, index, flags);
2206 if (IS_ERR(gpio))
2207 return PTR_ERR(gpio);
2208
2209 if (gpio) {
2210 if (nsdelay)
2211 usleep_range(nsdelay, 2 * nsdelay);
2212 gpiod_set_value_cansleep(gpio, value);
2213 }
2214 *desc = gpio;
2215
2216 return 0;
2217}
2218#endif
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231static int smc_drv_probe(struct platform_device *pdev)
2232{
2233 struct smc91x_platdata *pd = dev_get_platdata(&pdev->dev);
2234 const struct of_device_id *match = NULL;
2235 struct smc_local *lp;
2236 struct net_device *ndev;
2237 struct resource *res;
2238 unsigned int __iomem *addr;
2239 unsigned long irq_flags = SMC_IRQ_FLAGS;
2240 unsigned long irq_resflags;
2241 int ret;
2242
2243 ndev = alloc_etherdev(sizeof(struct smc_local));
2244 if (!ndev) {
2245 ret = -ENOMEM;
2246 goto out;
2247 }
2248 SET_NETDEV_DEV(ndev, &pdev->dev);
2249
2250
2251
2252
2253
2254 lp = netdev_priv(ndev);
2255 lp->cfg.flags = 0;
2256
2257 if (pd) {
2258 memcpy(&lp->cfg, pd, sizeof(lp->cfg));
2259 lp->io_shift = SMC91X_IO_SHIFT(lp->cfg.flags);
2260
2261 if (!SMC_8BIT(lp) && !SMC_16BIT(lp)) {
2262 dev_err(&pdev->dev,
2263 "at least one of 8-bit or 16-bit access support is required.\n");
2264 ret = -ENXIO;
2265 goto out_free_netdev;
2266 }
2267 }
2268
2269#if IS_BUILTIN(CONFIG_OF)
2270 match = of_match_device(of_match_ptr(smc91x_match), &pdev->dev);
2271 if (match) {
2272 u32 val;
2273
2274
2275 ret = try_toggle_control_gpio(&pdev->dev, &lp->power_gpio,
2276 "power", 0, 0, 100);
2277 if (ret)
2278 return ret;
2279
2280
2281
2282
2283
2284 ret = try_toggle_control_gpio(&pdev->dev, &lp->reset_gpio,
2285 "reset", 0, 0, 100);
2286 if (ret)
2287 return ret;
2288
2289
2290
2291
2292
2293 if (lp->reset_gpio)
2294 usleep_range(750, 1000);
2295
2296
2297 if (!device_property_read_u32(&pdev->dev, "reg-io-width",
2298 &val)) {
2299 if (val & 1)
2300 lp->cfg.flags |= SMC91X_USE_8BIT;
2301 if ((val == 0) || (val & 2))
2302 lp->cfg.flags |= SMC91X_USE_16BIT;
2303 if (val & 4)
2304 lp->cfg.flags |= SMC91X_USE_32BIT;
2305 } else {
2306 lp->cfg.flags |= SMC91X_USE_16BIT;
2307 }
2308 if (!device_property_read_u32(&pdev->dev, "reg-shift",
2309 &val))
2310 lp->io_shift = val;
2311 lp->cfg.pxa_u16_align4 =
2312 device_property_read_bool(&pdev->dev, "pxa-u16-align4");
2313 }
2314#endif
2315
2316 if (!pd && !match) {
2317 lp->cfg.flags |= (SMC_CAN_USE_8BIT) ? SMC91X_USE_8BIT : 0;
2318 lp->cfg.flags |= (SMC_CAN_USE_16BIT) ? SMC91X_USE_16BIT : 0;
2319 lp->cfg.flags |= (SMC_CAN_USE_32BIT) ? SMC91X_USE_32BIT : 0;
2320 lp->cfg.flags |= (nowait) ? SMC91X_NOWAIT : 0;
2321 }
2322
2323 if (!lp->cfg.leda && !lp->cfg.ledb) {
2324 lp->cfg.leda = RPC_LSA_DEFAULT;
2325 lp->cfg.ledb = RPC_LSB_DEFAULT;
2326 }
2327
2328 ndev->dma = (unsigned char)-1;
2329
2330 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-regs");
2331 if (!res)
2332 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
2333 if (!res) {
2334 ret = -ENODEV;
2335 goto out_free_netdev;
2336 }
2337
2338
2339 if (!request_mem_region(res->start, SMC_IO_EXTENT, CARDNAME)) {
2340 ret = -EBUSY;
2341 goto out_free_netdev;
2342 }
2343
2344 ndev->irq = platform_get_irq(pdev, 0);
2345 if (ndev->irq < 0) {
2346 ret = ndev->irq;
2347 goto out_release_io;
2348 }
2349
2350
2351
2352
2353
2354 irq_resflags = irqd_get_trigger_type(irq_get_irq_data(ndev->irq));
2355 if (irq_flags == -1 || irq_resflags & IRQF_TRIGGER_MASK)
2356 irq_flags = irq_resflags & IRQF_TRIGGER_MASK;
2357
2358 ret = smc_request_attrib(pdev, ndev);
2359 if (ret)
2360 goto out_release_io;
2361#if defined(CONFIG_ASSABET_NEPONSET)
2362 if (machine_is_assabet() && machine_has_neponset())
2363 neponset_ncr_set(NCR_ENET_OSC_EN);
2364#endif
2365 platform_set_drvdata(pdev, ndev);
2366 ret = smc_enable_device(pdev);
2367 if (ret)
2368 goto out_release_attrib;
2369
2370 addr = ioremap(res->start, SMC_IO_EXTENT);
2371 if (!addr) {
2372 ret = -ENOMEM;
2373 goto out_release_attrib;
2374 }
2375
2376#ifdef CONFIG_ARCH_PXA
2377 {
2378 struct smc_local *lp = netdev_priv(ndev);
2379 lp->device = &pdev->dev;
2380 lp->physaddr = res->start;
2381
2382 }
2383#endif
2384
2385 ret = smc_probe(ndev, addr, irq_flags);
2386 if (ret != 0)
2387 goto out_iounmap;
2388
2389 smc_request_datacs(pdev, ndev);
2390
2391 return 0;
2392
2393 out_iounmap:
2394 iounmap(addr);
2395 out_release_attrib:
2396 smc_release_attrib(pdev, ndev);
2397 out_release_io:
2398 release_mem_region(res->start, SMC_IO_EXTENT);
2399 out_free_netdev:
2400 free_netdev(ndev);
2401 out:
2402 pr_info("%s: not found (%d).\n", CARDNAME, ret);
2403
2404 return ret;
2405}
2406
2407static int smc_drv_remove(struct platform_device *pdev)
2408{
2409 struct net_device *ndev = platform_get_drvdata(pdev);
2410 struct smc_local *lp = netdev_priv(ndev);
2411 struct resource *res;
2412
2413 unregister_netdev(ndev);
2414
2415 free_irq(ndev->irq, ndev);
2416
2417#ifdef CONFIG_ARCH_PXA
2418 if (lp->dma_chan)
2419 dma_release_channel(lp->dma_chan);
2420#endif
2421 iounmap(lp->base);
2422
2423 smc_release_datacs(pdev,ndev);
2424 smc_release_attrib(pdev,ndev);
2425
2426 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-regs");
2427 if (!res)
2428 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
2429 release_mem_region(res->start, SMC_IO_EXTENT);
2430
2431 free_netdev(ndev);
2432
2433 return 0;
2434}
2435
2436static int smc_drv_suspend(struct device *dev)
2437{
2438 struct net_device *ndev = dev_get_drvdata(dev);
2439
2440 if (ndev) {
2441 if (netif_running(ndev)) {
2442 netif_device_detach(ndev);
2443 smc_shutdown(ndev);
2444 smc_phy_powerdown(ndev);
2445 }
2446 }
2447 return 0;
2448}
2449
2450static int smc_drv_resume(struct device *dev)
2451{
2452 struct platform_device *pdev = to_platform_device(dev);
2453 struct net_device *ndev = platform_get_drvdata(pdev);
2454
2455 if (ndev) {
2456 struct smc_local *lp = netdev_priv(ndev);
2457 smc_enable_device(pdev);
2458 if (netif_running(ndev)) {
2459 smc_reset(ndev);
2460 smc_enable(ndev);
2461 if (lp->phy_type != 0)
2462 smc_phy_configure(&lp->phy_configure);
2463 netif_device_attach(ndev);
2464 }
2465 }
2466 return 0;
2467}
2468
2469static const struct dev_pm_ops smc_drv_pm_ops = {
2470 .suspend = smc_drv_suspend,
2471 .resume = smc_drv_resume,
2472};
2473
2474static struct platform_driver smc_driver = {
2475 .probe = smc_drv_probe,
2476 .remove = smc_drv_remove,
2477 .driver = {
2478 .name = CARDNAME,
2479 .pm = &smc_drv_pm_ops,
2480 .of_match_table = of_match_ptr(smc91x_match),
2481 .acpi_match_table = smc91x_acpi_match,
2482 },
2483};
2484
2485module_platform_driver(smc_driver);
2486