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21#include <linux/module.h>
22
23#include <linux/netdevice.h>
24#include <linux/ethtool.h>
25#include <linux/pci.h>
26#include <linux/sched.h>
27#include <linux/etherdevice.h>
28#include <linux/delay.h>
29#include <linux/if_arp.h>
30
31#include <asm/io.h>
32
33#include "prismcompat.h"
34#include "isl_38xx.h"
35#include "isl_ioctl.h"
36#include "islpci_dev.h"
37#include "islpci_mgt.h"
38#include "islpci_eth.h"
39#include "oid_mgt.h"
40
41#define ISL3877_IMAGE_FILE "isl3877"
42#define ISL3886_IMAGE_FILE "isl3886"
43#define ISL3890_IMAGE_FILE "isl3890"
44
45static int prism54_bring_down(islpci_private *);
46static int islpci_alloc_memory(islpci_private *);
47
48
49
50
51
52
53
54
55static const unsigned char dummy_mac[6] = { 0x00, 0x30, 0xB4, 0x00, 0x00, 0x00 };
56
57static int
58isl_upload_firmware(islpci_private *priv)
59{
60 u32 reg, rc;
61 void __iomem *device_base = priv->device_base;
62
63
64 reg = readl(device_base + ISL38XX_CTRL_STAT_REG);
65 reg &= ~ISL38XX_CTRL_STAT_RESET;
66 reg &= ~ISL38XX_CTRL_STAT_RAMBOOT;
67 writel(reg, device_base + ISL38XX_CTRL_STAT_REG);
68 wmb();
69 udelay(ISL38XX_WRITEIO_DELAY);
70
71
72 reg |= ISL38XX_CTRL_STAT_RESET;
73 writel(reg, device_base + ISL38XX_CTRL_STAT_REG);
74 wmb();
75 udelay(ISL38XX_WRITEIO_DELAY);
76
77
78 reg &= ~ISL38XX_CTRL_STAT_RESET;
79 writel(reg, device_base + ISL38XX_CTRL_STAT_REG);
80 wmb();
81
82
83 mdelay(50);
84
85 {
86 const struct firmware *fw_entry = NULL;
87 long fw_len;
88 const u32 *fw_ptr;
89
90 rc = request_firmware(&fw_entry, priv->firmware, PRISM_FW_PDEV);
91 if (rc) {
92 printk(KERN_ERR
93 "%s: request_firmware() failed for '%s'\n",
94 "prism54", priv->firmware);
95 return rc;
96 }
97
98 reg = ISL38XX_DEV_FIRMWARE_ADDRES;
99
100 fw_ptr = (u32 *) fw_entry->data;
101 fw_len = fw_entry->size;
102
103 if (fw_len % 4) {
104 printk(KERN_ERR
105 "%s: firmware '%s' size is not multiple of 32bit, aborting!\n",
106 "prism54", priv->firmware);
107 release_firmware(fw_entry);
108 return -EILSEQ; ;
109 }
110
111 while (fw_len > 0) {
112 long _fw_len =
113 (fw_len >
114 ISL38XX_MEMORY_WINDOW_SIZE) ?
115 ISL38XX_MEMORY_WINDOW_SIZE : fw_len;
116 u32 __iomem *dev_fw_ptr = device_base + ISL38XX_DIRECT_MEM_WIN;
117
118
119 isl38xx_w32_flush(device_base, reg,
120 ISL38XX_DIR_MEM_BASE_REG);
121 wmb();
122
123
124 reg += _fw_len;
125 fw_len -= _fw_len;
126
127
128
129 while (_fw_len > 0) {
130
131 __raw_writel(*fw_ptr, dev_fw_ptr);
132 fw_ptr++, dev_fw_ptr++;
133 _fw_len -= 4;
134 }
135
136
137 (void) readl(device_base + ISL38XX_PCI_POSTING_FLUSH);
138 wmb();
139
140 BUG_ON(_fw_len != 0);
141 }
142
143 BUG_ON(fw_len != 0);
144
145
146 printk(KERN_DEBUG "%s: firmware version: %.8s\n",
147 priv->ndev->name, fw_entry->data + 40);
148
149 release_firmware(fw_entry);
150 }
151
152
153
154 reg = readl(device_base + ISL38XX_CTRL_STAT_REG);
155 reg &= ~ISL38XX_CTRL_STAT_CLKRUN;
156 reg &= ~ISL38XX_CTRL_STAT_RESET;
157 reg |= ISL38XX_CTRL_STAT_RAMBOOT;
158 isl38xx_w32_flush(device_base, reg, ISL38XX_CTRL_STAT_REG);
159 wmb();
160 udelay(ISL38XX_WRITEIO_DELAY);
161
162
163
164 reg |= ISL38XX_CTRL_STAT_RESET;
165 writel(reg, device_base + ISL38XX_CTRL_STAT_REG);
166
167 wmb();
168 udelay(ISL38XX_WRITEIO_DELAY);
169
170
171 reg &= ~ISL38XX_CTRL_STAT_RESET;
172 writel(reg, device_base + ISL38XX_CTRL_STAT_REG);
173
174 wmb();
175 udelay(ISL38XX_WRITEIO_DELAY);
176
177 return 0;
178}
179
180
181
182
183
184irqreturn_t
185islpci_interrupt(int irq, void *config)
186{
187 u32 reg;
188 islpci_private *priv = config;
189 struct net_device *ndev = priv->ndev;
190 void __iomem *device = priv->device_base;
191 int powerstate = ISL38XX_PSM_POWERSAVE_STATE;
192
193
194 spin_lock(&priv->slock);
195
196
197
198 reg = readl(device + ISL38XX_CTRL_STAT_REG);
199 if (reg & ISL38XX_CTRL_STAT_SLEEPMODE)
200
201 {
202#if VERBOSE > SHOW_ERROR_MESSAGES
203 DEBUG(SHOW_TRACING, "Assuming someone else called the IRQ\n");
204#endif
205 spin_unlock(&priv->slock);
206 return IRQ_NONE;
207 }
208
209
210
211 reg = readl(device + ISL38XX_INT_IDENT_REG);
212
213
214
215 reg &= readl(device + ISL38XX_INT_EN_REG);
216 reg &= ISL38XX_INT_SOURCES;
217
218 if (reg != 0) {
219 if (islpci_get_state(priv) != PRV_STATE_SLEEP)
220 powerstate = ISL38XX_PSM_ACTIVE_STATE;
221
222
223 isl38xx_w32_flush(device, reg, ISL38XX_INT_ACK_REG);
224
225#if VERBOSE > SHOW_ERROR_MESSAGES
226 DEBUG(SHOW_FUNCTION_CALLS,
227 "IRQ: Identification register 0x%p 0x%x \n", device, reg);
228#endif
229
230
231 if (reg & ISL38XX_INT_IDENT_UPDATE) {
232#if VERBOSE > SHOW_ERROR_MESSAGES
233
234 DEBUG(SHOW_TRACING, "IRQ: Update flag \n");
235
236 DEBUG(SHOW_QUEUE_INDEXES,
237 "CB drv Qs: [%i][%i][%i][%i][%i][%i]\n",
238 le32_to_cpu(priv->control_block->
239 driver_curr_frag[0]),
240 le32_to_cpu(priv->control_block->
241 driver_curr_frag[1]),
242 le32_to_cpu(priv->control_block->
243 driver_curr_frag[2]),
244 le32_to_cpu(priv->control_block->
245 driver_curr_frag[3]),
246 le32_to_cpu(priv->control_block->
247 driver_curr_frag[4]),
248 le32_to_cpu(priv->control_block->
249 driver_curr_frag[5])
250 );
251
252 DEBUG(SHOW_QUEUE_INDEXES,
253 "CB dev Qs: [%i][%i][%i][%i][%i][%i]\n",
254 le32_to_cpu(priv->control_block->
255 device_curr_frag[0]),
256 le32_to_cpu(priv->control_block->
257 device_curr_frag[1]),
258 le32_to_cpu(priv->control_block->
259 device_curr_frag[2]),
260 le32_to_cpu(priv->control_block->
261 device_curr_frag[3]),
262 le32_to_cpu(priv->control_block->
263 device_curr_frag[4]),
264 le32_to_cpu(priv->control_block->
265 device_curr_frag[5])
266 );
267#endif
268
269
270 islpci_eth_cleanup_transmit(priv, priv->control_block);
271
272
273
274 powerstate = ISL38XX_PSM_ACTIVE_STATE;
275
276
277
278
279 if (isl38xx_in_queue(priv->control_block,
280 ISL38XX_CB_RX_MGMTQ) != 0) {
281#if VERBOSE > SHOW_ERROR_MESSAGES
282 DEBUG(SHOW_TRACING,
283 "Received frame in Management Queue\n");
284#endif
285 islpci_mgt_receive(ndev);
286
287 islpci_mgt_cleanup_transmit(ndev);
288
289
290 islpci_mgmt_rx_fill(ndev);
291
292
293
294 }
295
296 while (isl38xx_in_queue(priv->control_block,
297 ISL38XX_CB_RX_DATA_LQ) != 0) {
298#if VERBOSE > SHOW_ERROR_MESSAGES
299 DEBUG(SHOW_TRACING,
300 "Received frame in Data Low Queue \n");
301#endif
302 islpci_eth_receive(priv);
303 }
304
305
306 if (priv->data_low_tx_full) {
307
308 if (ISL38XX_CB_TX_QSIZE -
309 isl38xx_in_queue(priv->control_block,
310 ISL38XX_CB_TX_DATA_LQ) >=
311 ISL38XX_MIN_QTHRESHOLD) {
312
313 netif_wake_queue(priv->ndev);
314
315
316 priv->data_low_tx_full = 0;
317 }
318 }
319 }
320
321 if (reg & ISL38XX_INT_IDENT_INIT) {
322
323#if VERBOSE > SHOW_ERROR_MESSAGES
324 DEBUG(SHOW_TRACING,
325 "IRQ: Init flag, device initialized \n");
326#endif
327 wake_up(&priv->reset_done);
328 }
329
330 if (reg & ISL38XX_INT_IDENT_SLEEP) {
331
332#if VERBOSE > SHOW_ERROR_MESSAGES
333 DEBUG(SHOW_TRACING, "IRQ: Sleep flag \n");
334#endif
335 isl38xx_handle_sleep_request(priv->control_block,
336 &powerstate,
337 priv->device_base);
338 }
339
340 if (reg & ISL38XX_INT_IDENT_WAKEUP) {
341
342#if VERBOSE > SHOW_ERROR_MESSAGES
343 DEBUG(SHOW_TRACING, "IRQ: Wakeup flag \n");
344#endif
345
346 isl38xx_handle_wakeup(priv->control_block,
347 &powerstate, priv->device_base);
348 }
349 } else {
350#if VERBOSE > SHOW_ERROR_MESSAGES
351 DEBUG(SHOW_TRACING, "Assuming someone else called the IRQ\n");
352#endif
353 spin_unlock(&priv->slock);
354 return IRQ_NONE;
355 }
356
357
358 if (islpci_get_state(priv) == PRV_STATE_SLEEP
359 && powerstate == ISL38XX_PSM_ACTIVE_STATE)
360 islpci_set_state(priv, PRV_STATE_READY);
361
362
363 if (islpci_get_state(priv) != PRV_STATE_SLEEP
364 && powerstate == ISL38XX_PSM_POWERSAVE_STATE)
365 islpci_set_state(priv, PRV_STATE_SLEEP);
366
367
368 spin_unlock(&priv->slock);
369
370 return IRQ_HANDLED;
371}
372
373
374
375
376static int
377islpci_open(struct net_device *ndev)
378{
379 u32 rc;
380 islpci_private *priv = netdev_priv(ndev);
381
382
383 rc = islpci_reset(priv,1);
384 if (rc) {
385 prism54_bring_down(priv);
386 return rc;
387 }
388
389 netif_start_queue(ndev);
390
391
392
393
394
395
396 if (priv->iw_mode == IW_MODE_INFRA || priv->iw_mode == IW_MODE_ADHOC)
397 netif_carrier_off(ndev);
398 else
399 netif_carrier_on(ndev);
400
401 return 0;
402}
403
404static int
405islpci_close(struct net_device *ndev)
406{
407 islpci_private *priv = netdev_priv(ndev);
408
409 printk(KERN_DEBUG "%s: islpci_close ()\n", ndev->name);
410
411 netif_stop_queue(ndev);
412
413 return prism54_bring_down(priv);
414}
415
416static int
417prism54_bring_down(islpci_private *priv)
418{
419 void __iomem *device_base = priv->device_base;
420 u32 reg;
421
422 islpci_set_state(priv, PRV_STATE_PREBOOT);
423
424
425 isl38xx_disable_interrupts(priv->device_base);
426
427
428
429
430
431 synchronize_irq(priv->pdev->irq);
432
433 reg = readl(device_base + ISL38XX_CTRL_STAT_REG);
434 reg &= ~(ISL38XX_CTRL_STAT_RESET | ISL38XX_CTRL_STAT_RAMBOOT);
435 writel(reg, device_base + ISL38XX_CTRL_STAT_REG);
436 wmb();
437 udelay(ISL38XX_WRITEIO_DELAY);
438
439 reg |= ISL38XX_CTRL_STAT_RESET;
440 writel(reg, device_base + ISL38XX_CTRL_STAT_REG);
441 wmb();
442 udelay(ISL38XX_WRITEIO_DELAY);
443
444
445 reg &= ~ISL38XX_CTRL_STAT_RESET;
446 writel(reg, device_base + ISL38XX_CTRL_STAT_REG);
447 wmb();
448
449
450 schedule_timeout_uninterruptible(msecs_to_jiffies(50));
451
452 return 0;
453}
454
455static int
456islpci_upload_fw(islpci_private *priv)
457{
458 islpci_state_t old_state;
459 u32 rc;
460
461 old_state = islpci_set_state(priv, PRV_STATE_BOOT);
462
463 printk(KERN_DEBUG "%s: uploading firmware...\n", priv->ndev->name);
464
465 rc = isl_upload_firmware(priv);
466 if (rc) {
467
468 printk(KERN_ERR "%s: could not upload firmware ('%s')\n",
469 priv->ndev->name, priv->firmware);
470
471 islpci_set_state(priv, old_state);
472 return rc;
473 }
474
475 printk(KERN_DEBUG "%s: firmware upload complete\n",
476 priv->ndev->name);
477
478 islpci_set_state(priv, PRV_STATE_POSTBOOT);
479
480 return 0;
481}
482
483static int
484islpci_reset_if(islpci_private *priv)
485{
486 long remaining;
487 int result = -ETIME;
488 int count;
489
490 DEFINE_WAIT(wait);
491 prepare_to_wait(&priv->reset_done, &wait, TASK_UNINTERRUPTIBLE);
492
493
494 isl38xx_interface_reset(priv->device_base, priv->device_host_address);
495 islpci_set_state(priv, PRV_STATE_PREINIT);
496
497 for(count = 0; count < 2 && result; count++) {
498
499
500
501 remaining = schedule_timeout_uninterruptible(HZ);
502
503 if(remaining > 0) {
504 result = 0;
505 break;
506 }
507
508
509
510
511 printk(KERN_ERR "%s: no 'reset complete' IRQ seen - retrying\n",
512 priv->ndev->name);
513 }
514
515 finish_wait(&priv->reset_done, &wait);
516
517 if (result) {
518 printk(KERN_ERR "%s: interface reset failure\n", priv->ndev->name);
519 return result;
520 }
521
522 islpci_set_state(priv, PRV_STATE_INIT);
523
524
525
526
527
528
529 isl38xx_enable_common_interrupts(priv->device_base);
530
531 down_write(&priv->mib_sem);
532 result = mgt_commit(priv);
533 if (result) {
534 printk(KERN_ERR "%s: interface reset failure\n", priv->ndev->name);
535 up_write(&priv->mib_sem);
536 return result;
537 }
538 up_write(&priv->mib_sem);
539
540 islpci_set_state(priv, PRV_STATE_READY);
541
542 printk(KERN_DEBUG "%s: interface reset complete\n", priv->ndev->name);
543 return 0;
544}
545
546int
547islpci_reset(islpci_private *priv, int reload_firmware)
548{
549 isl38xx_control_block *cb =
550 (isl38xx_control_block *) priv->control_block;
551 unsigned counter;
552 int rc;
553
554 if (reload_firmware)
555 islpci_set_state(priv, PRV_STATE_PREBOOT);
556 else
557 islpci_set_state(priv, PRV_STATE_POSTBOOT);
558
559 printk(KERN_DEBUG "%s: resetting device...\n", priv->ndev->name);
560
561
562 isl38xx_disable_interrupts(priv->device_base);
563
564
565 priv->index_mgmt_tx = 0;
566 priv->index_mgmt_rx = 0;
567
568
569 for (counter = 0; counter < ISL38XX_CB_QCOUNT; counter++) {
570 cb->driver_curr_frag[counter] = cpu_to_le32(0);
571 cb->device_curr_frag[counter] = cpu_to_le32(0);
572 }
573
574
575 for (counter = 0; counter < ISL38XX_CB_MGMT_QSIZE; counter++) {
576 isl38xx_fragment *frag = &cb->rx_data_mgmt[counter];
577 frag->size = cpu_to_le16(MGMT_FRAME_SIZE);
578 frag->flags = 0;
579 frag->address = cpu_to_le32(priv->mgmt_rx[counter].pci_addr);
580 }
581
582 for (counter = 0; counter < ISL38XX_CB_RX_QSIZE; counter++) {
583 cb->rx_data_low[counter].address =
584 cpu_to_le32((u32) priv->pci_map_rx_address[counter]);
585 }
586
587
588
589 priv->control_block->driver_curr_frag[ISL38XX_CB_RX_DATA_LQ] =
590 cpu_to_le32(ISL38XX_CB_RX_QSIZE);
591 priv->control_block->driver_curr_frag[ISL38XX_CB_RX_MGMTQ] =
592 cpu_to_le32(ISL38XX_CB_MGMT_QSIZE);
593
594
595 priv->free_data_rx = 0;
596 priv->free_data_tx = 0;
597 priv->data_low_tx_full = 0;
598
599 if (reload_firmware) {
600
601
602 rc = islpci_upload_fw(priv);
603 if (rc) {
604 printk(KERN_ERR "%s: islpci_reset: failure\n",
605 priv->ndev->name);
606 return rc;
607 }
608 }
609
610
611 rc = islpci_reset_if(priv);
612 if (rc)
613 printk(KERN_ERR "prism54: Your card/socket may be faulty, or IRQ line too busy :(\n");
614 return rc;
615}
616
617
618
619
620static int
621islpci_alloc_memory(islpci_private *priv)
622{
623 int counter;
624
625#if VERBOSE > SHOW_ERROR_MESSAGES
626 printk(KERN_DEBUG "islpci_alloc_memory\n");
627#endif
628
629
630 if (!(priv->device_base =
631 ioremap(pci_resource_start(priv->pdev, 0),
632 ISL38XX_PCI_MEM_SIZE))) {
633
634 printk(KERN_ERR "PCI memory remapping failed \n");
635 return -1;
636 }
637
638
639
640
641
642
643
644
645
646
647 priv->driver_mem_address = pci_alloc_consistent(priv->pdev,
648 HOST_MEM_BLOCK,
649 &priv->
650 device_host_address);
651
652 if (!priv->driver_mem_address) {
653
654 printk(KERN_ERR "%s: could not allocate DMA memory, aborting!",
655 "prism54");
656 return -1;
657 }
658
659
660 priv->control_block =
661 (isl38xx_control_block *) priv->driver_mem_address;
662
663
664 priv->device_psm_buffer =
665 priv->device_host_address + CONTROL_BLOCK_SIZE;
666
667
668 for (counter = 0; counter < ISL38XX_CB_QCOUNT; counter++) {
669 priv->control_block->driver_curr_frag[counter] = cpu_to_le32(0);
670 priv->control_block->device_curr_frag[counter] = cpu_to_le32(0);
671 }
672
673 priv->index_mgmt_rx = 0;
674 memset(priv->mgmt_rx, 0, sizeof(priv->mgmt_rx));
675 memset(priv->mgmt_tx, 0, sizeof(priv->mgmt_tx));
676
677
678 if (islpci_mgmt_rx_fill(priv->ndev) < 0)
679 goto out_free;
680
681
682 memset(priv->data_low_rx, 0, sizeof (priv->data_low_rx));
683 memset(priv->pci_map_rx_address, 0, sizeof (priv->pci_map_rx_address));
684
685 for (counter = 0; counter < ISL38XX_CB_RX_QSIZE; counter++) {
686 struct sk_buff *skb;
687
688
689
690
691 if (!(skb = dev_alloc_skb(MAX_FRAGMENT_SIZE_RX + 2))) {
692
693 printk(KERN_ERR "Error allocating skb.\n");
694 skb = NULL;
695 goto out_free;
696 }
697 skb_reserve(skb, (4 - (long) skb->data) & 0x03);
698
699 priv->data_low_rx[counter] = skb;
700
701
702 priv->pci_map_rx_address[counter] =
703 pci_map_single(priv->pdev, (void *) skb->data,
704 MAX_FRAGMENT_SIZE_RX + 2,
705 PCI_DMA_FROMDEVICE);
706 if (!priv->pci_map_rx_address[counter]) {
707
708
709 printk(KERN_ERR "failed to map skb DMA'able\n");
710 goto out_free;
711 }
712 }
713
714 prism54_acl_init(&priv->acl);
715 prism54_wpa_bss_ie_init(priv);
716 if (mgt_init(priv))
717 goto out_free;
718
719 return 0;
720 out_free:
721 islpci_free_memory(priv);
722 return -1;
723}
724
725int
726islpci_free_memory(islpci_private *priv)
727{
728 int counter;
729
730 if (priv->device_base)
731 iounmap(priv->device_base);
732 priv->device_base = NULL;
733
734
735 if (priv->driver_mem_address)
736 pci_free_consistent(priv->pdev, HOST_MEM_BLOCK,
737 priv->driver_mem_address,
738 priv->device_host_address);
739
740
741 priv->driver_mem_address = NULL;
742 priv->device_host_address = 0;
743 priv->device_psm_buffer = 0;
744 priv->control_block = NULL;
745
746
747 for (counter = 0; counter < ISL38XX_CB_MGMT_QSIZE; counter++) {
748 struct islpci_membuf *buf = &priv->mgmt_rx[counter];
749 if (buf->pci_addr)
750 pci_unmap_single(priv->pdev, buf->pci_addr,
751 buf->size, PCI_DMA_FROMDEVICE);
752 buf->pci_addr = 0;
753 kfree(buf->mem);
754 buf->size = 0;
755 buf->mem = NULL;
756 }
757
758
759 for (counter = 0; counter < ISL38XX_CB_RX_QSIZE; counter++) {
760 if (priv->pci_map_rx_address[counter])
761 pci_unmap_single(priv->pdev,
762 priv->pci_map_rx_address[counter],
763 MAX_FRAGMENT_SIZE_RX + 2,
764 PCI_DMA_FROMDEVICE);
765 priv->pci_map_rx_address[counter] = 0;
766
767 if (priv->data_low_rx[counter])
768 dev_kfree_skb(priv->data_low_rx[counter]);
769 priv->data_low_rx[counter] = NULL;
770 }
771
772
773 prism54_acl_clean(&priv->acl);
774 prism54_wpa_bss_ie_clean(priv);
775 mgt_clean(priv);
776
777 return 0;
778}
779
780#if 0
781static void
782islpci_set_multicast_list(struct net_device *dev)
783{
784
785}
786#endif
787
788static void islpci_ethtool_get_drvinfo(struct net_device *dev,
789 struct ethtool_drvinfo *info)
790{
791 strcpy(info->driver, DRV_NAME);
792 strcpy(info->version, DRV_VERSION);
793}
794
795static const struct ethtool_ops islpci_ethtool_ops = {
796 .get_drvinfo = islpci_ethtool_get_drvinfo,
797};
798
799static const struct net_device_ops islpci_netdev_ops = {
800 .ndo_open = islpci_open,
801 .ndo_stop = islpci_close,
802 .ndo_do_ioctl = prism54_ioctl,
803 .ndo_start_xmit = islpci_eth_transmit,
804 .ndo_tx_timeout = islpci_eth_tx_timeout,
805 .ndo_set_mac_address = prism54_set_mac_address,
806 .ndo_change_mtu = eth_change_mtu,
807 .ndo_validate_addr = eth_validate_addr,
808};
809
810struct net_device *
811islpci_setup(struct pci_dev *pdev)
812{
813 islpci_private *priv;
814 struct net_device *ndev = alloc_etherdev(sizeof (islpci_private));
815
816 if (!ndev)
817 return ndev;
818
819 pci_set_drvdata(pdev, ndev);
820#if defined(SET_NETDEV_DEV)
821 SET_NETDEV_DEV(ndev, &pdev->dev);
822#endif
823
824
825 ndev->base_addr = pci_resource_start(pdev, 0);
826 ndev->irq = pdev->irq;
827
828
829 ndev->netdev_ops = &islpci_netdev_ops;
830 ndev->wireless_handlers = &prism54_handler_def;
831 ndev->ethtool_ops = &islpci_ethtool_ops;
832
833
834 ndev->addr_len = ETH_ALEN;
835
836 memcpy(ndev->dev_addr, dummy_mac, 6);
837
838 ndev->watchdog_timeo = ISLPCI_TX_TIMEOUT;
839
840
841 priv = netdev_priv(ndev);
842 priv->ndev = ndev;
843 priv->pdev = pdev;
844 priv->monitor_type = ARPHRD_IEEE80211;
845 priv->ndev->type = (priv->iw_mode == IW_MODE_MONITOR) ?
846 priv->monitor_type : ARPHRD_ETHER;
847
848
849 priv->wireless_data.spy_data = &priv->spy_data;
850 ndev->wireless_data = &priv->wireless_data;
851
852
853 ndev->mem_start = (unsigned long) priv->device_base;
854 ndev->mem_end = ndev->mem_start + ISL38XX_PCI_MEM_SIZE;
855
856#if VERBOSE > SHOW_ERROR_MESSAGES
857 DEBUG(SHOW_TRACING, "PCI Memory remapped to 0x%p\n", priv->device_base);
858#endif
859
860 init_waitqueue_head(&priv->reset_done);
861
862
863 mutex_init(&priv->mgmt_lock);
864 priv->mgmt_received = NULL;
865 init_waitqueue_head(&priv->mgmt_wqueue);
866 mutex_init(&priv->stats_lock);
867 spin_lock_init(&priv->slock);
868
869
870 priv->state = PRV_STATE_OFF;
871 priv->state_off = 1;
872
873
874 INIT_WORK(&priv->stats_work, prism54_update_stats);
875 priv->stats_timestamp = 0;
876
877 INIT_WORK(&priv->reset_task, islpci_do_reset_and_wake);
878 priv->reset_task_pending = 0;
879
880
881 if (islpci_alloc_memory(priv))
882 goto do_free_netdev;
883
884
885 switch (pdev->device) {
886 case 0x3877:
887 strcpy(priv->firmware, ISL3877_IMAGE_FILE);
888 break;
889
890 case 0x3886:
891 strcpy(priv->firmware, ISL3886_IMAGE_FILE);
892 break;
893
894 default:
895 strcpy(priv->firmware, ISL3890_IMAGE_FILE);
896 break;
897 }
898
899 if (register_netdev(ndev)) {
900 DEBUG(SHOW_ERROR_MESSAGES,
901 "ERROR: register_netdev() failed \n");
902 goto do_islpci_free_memory;
903 }
904
905 return ndev;
906
907 do_islpci_free_memory:
908 islpci_free_memory(priv);
909 do_free_netdev:
910 pci_set_drvdata(pdev, NULL);
911 free_netdev(ndev);
912 priv = NULL;
913 return NULL;
914}
915
916islpci_state_t
917islpci_set_state(islpci_private *priv, islpci_state_t new_state)
918{
919 islpci_state_t old_state;
920
921
922 old_state = priv->state;
923
924
925
926 switch (new_state) {
927 case PRV_STATE_OFF:
928 priv->state_off++;
929 default:
930 priv->state = new_state;
931 break;
932
933 case PRV_STATE_PREBOOT:
934
935
936 if (old_state == PRV_STATE_OFF)
937 priv->state_off--;
938
939
940
941
942 if (!priv->state_off)
943 priv->state = new_state;
944 break;
945 };
946#if 0
947 printk(KERN_DEBUG "%s: state transition %d -> %d (off#%d)\n",
948 priv->ndev->name, old_state, new_state, priv->state_off);
949#endif
950
951
952 BUG_ON(priv->state_off < 0);
953 BUG_ON(priv->state_off && (priv->state != PRV_STATE_OFF));
954 BUG_ON(!priv->state_off && (priv->state == PRV_STATE_OFF));
955
956
957 return old_state;
958}
959