1 /*
2 * Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved.
3 *
4 * This software is licensed under the terms of the GNU General Public
5 * License version 2, as published by the Free Software Foundation, and
6 * may be copied, distributed, and modified under those terms.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 */
13
14 #include <linux/module.h>
15 #include <linux/init.h>
16 #include <linux/kernel.h>
17
18 #include <linux/mmc/core.h>
19 #include <linux/mmc/card.h>
20 #include <linux/mmc/sdio_func.h>
21 #include <linux/mmc/sdio_ids.h>
22
23 #include "gdm_sdio.h"
24 #include "gdm_wimax.h"
25 #include "sdio_boot.h"
26 #include "hci.h"
27
28 #define TYPE_A_HEADER_SIZE 4
29 #define TYPE_A_LOOKAHEAD_SIZE 16
30
31 #define MAX_NR_RX_BUF 4
32
33 #define SDU_TX_BUF_SIZE 2048
34 #define TX_BUF_SIZE 2048
35 #define TX_CHUNK_SIZE (2048 - TYPE_A_HEADER_SIZE)
36 #define RX_BUF_SIZE (25*1024)
37
38 #define TX_HZ 2000
39 #define TX_INTERVAL (1000000/TX_HZ)
40
alloc_tx_struct(struct tx_cxt * tx)41 static struct sdio_tx *alloc_tx_struct(struct tx_cxt *tx)
42 {
43 struct sdio_tx *t = kzalloc(sizeof(*t), GFP_ATOMIC);
44
45 if (!t)
46 return NULL;
47
48 t->buf = kmalloc(TX_BUF_SIZE, GFP_ATOMIC);
49 if (!t->buf) {
50 kfree(t);
51 return NULL;
52 }
53
54 t->tx_cxt = tx;
55
56 return t;
57 }
58
free_tx_struct(struct sdio_tx * t)59 static void free_tx_struct(struct sdio_tx *t)
60 {
61 if (t) {
62 kfree(t->buf);
63 kfree(t);
64 }
65 }
66
alloc_rx_struct(struct rx_cxt * rx)67 static struct sdio_rx *alloc_rx_struct(struct rx_cxt *rx)
68 {
69 struct sdio_rx *r = kzalloc(sizeof(*r), GFP_ATOMIC);
70
71 if (r)
72 r->rx_cxt = rx;
73
74 return r;
75 }
76
free_rx_struct(struct sdio_rx * r)77 static void free_rx_struct(struct sdio_rx *r)
78 {
79 kfree(r);
80 }
81
82 /* Before this function is called, spin lock should be locked. */
get_tx_struct(struct tx_cxt * tx,int * no_spc)83 static struct sdio_tx *get_tx_struct(struct tx_cxt *tx, int *no_spc)
84 {
85 struct sdio_tx *t;
86
87 if (list_empty(&tx->free_list))
88 return NULL;
89
90 t = list_entry(tx->free_list.prev, struct sdio_tx, list);
91 list_del(&t->list);
92
93 *no_spc = list_empty(&tx->free_list) ? 1 : 0;
94
95 return t;
96 }
97
98 /* Before this function is called, spin lock should be locked. */
put_tx_struct(struct tx_cxt * tx,struct sdio_tx * t)99 static void put_tx_struct(struct tx_cxt *tx, struct sdio_tx *t)
100 {
101 list_add_tail(&t->list, &tx->free_list);
102 }
103
104 /* Before this function is called, spin lock should be locked. */
get_rx_struct(struct rx_cxt * rx)105 static struct sdio_rx *get_rx_struct(struct rx_cxt *rx)
106 {
107 struct sdio_rx *r;
108
109 if (list_empty(&rx->free_list))
110 return NULL;
111
112 r = list_entry(rx->free_list.prev, struct sdio_rx, list);
113 list_del(&r->list);
114
115 return r;
116 }
117
118 /* Before this function is called, spin lock should be locked. */
put_rx_struct(struct rx_cxt * rx,struct sdio_rx * r)119 static void put_rx_struct(struct rx_cxt *rx, struct sdio_rx *r)
120 {
121 list_add_tail(&r->list, &rx->free_list);
122 }
123
release_sdio(struct sdiowm_dev * sdev)124 static void release_sdio(struct sdiowm_dev *sdev)
125 {
126 struct tx_cxt *tx = &sdev->tx;
127 struct rx_cxt *rx = &sdev->rx;
128 struct sdio_tx *t, *t_next;
129 struct sdio_rx *r, *r_next;
130
131 kfree(tx->sdu_buf);
132
133 list_for_each_entry_safe(t, t_next, &tx->free_list, list) {
134 list_del(&t->list);
135 free_tx_struct(t);
136 }
137
138 list_for_each_entry_safe(t, t_next, &tx->sdu_list, list) {
139 list_del(&t->list);
140 free_tx_struct(t);
141 }
142
143 list_for_each_entry_safe(t, t_next, &tx->hci_list, list) {
144 list_del(&t->list);
145 free_tx_struct(t);
146 }
147
148 kfree(rx->rx_buf);
149
150 list_for_each_entry_safe(r, r_next, &rx->free_list, list) {
151 list_del(&r->list);
152 free_rx_struct(r);
153 }
154
155 list_for_each_entry_safe(r, r_next, &rx->req_list, list) {
156 list_del(&r->list);
157 free_rx_struct(r);
158 }
159 }
160
init_sdio(struct sdiowm_dev * sdev)161 static int init_sdio(struct sdiowm_dev *sdev)
162 {
163 int ret = 0, i;
164 struct tx_cxt *tx = &sdev->tx;
165 struct rx_cxt *rx = &sdev->rx;
166 struct sdio_tx *t;
167 struct sdio_rx *r;
168
169 INIT_LIST_HEAD(&tx->free_list);
170 INIT_LIST_HEAD(&tx->sdu_list);
171 INIT_LIST_HEAD(&tx->hci_list);
172
173 spin_lock_init(&tx->lock);
174
175 tx->sdu_buf = kmalloc(SDU_TX_BUF_SIZE, GFP_KERNEL);
176 if (tx->sdu_buf == NULL)
177 goto fail;
178
179 for (i = 0; i < MAX_NR_SDU_BUF; i++) {
180 t = alloc_tx_struct(tx);
181 if (t == NULL) {
182 ret = -ENOMEM;
183 goto fail;
184 }
185 list_add(&t->list, &tx->free_list);
186 }
187
188 INIT_LIST_HEAD(&rx->free_list);
189 INIT_LIST_HEAD(&rx->req_list);
190
191 spin_lock_init(&rx->lock);
192
193 for (i = 0; i < MAX_NR_RX_BUF; i++) {
194 r = alloc_rx_struct(rx);
195 if (r == NULL) {
196 ret = -ENOMEM;
197 goto fail;
198 }
199 list_add(&r->list, &rx->free_list);
200 }
201
202 rx->rx_buf = kmalloc(RX_BUF_SIZE, GFP_KERNEL);
203 if (rx->rx_buf == NULL)
204 goto fail;
205
206 return 0;
207
208 fail:
209 release_sdio(sdev);
210 return ret;
211 }
212
send_sdio_pkt(struct sdio_func * func,u8 * data,int len)213 static void send_sdio_pkt(struct sdio_func *func, u8 *data, int len)
214 {
215 int n, blocks, ret, remain;
216
217 sdio_claim_host(func);
218
219 blocks = len / func->cur_blksize;
220 n = blocks * func->cur_blksize;
221 if (blocks) {
222 ret = sdio_memcpy_toio(func, 0, data, n);
223 if (ret < 0) {
224 if (ret != -ENOMEDIUM)
225 dev_err(&func->dev,
226 "gdmwms: error: ret = %d\n", ret);
227 goto end_io;
228 }
229 }
230
231 remain = len - n;
232 remain = (remain + 3) & ~3;
233
234 if (remain) {
235 ret = sdio_memcpy_toio(func, 0, data + n, remain);
236 if (ret < 0) {
237 if (ret != -ENOMEDIUM)
238 dev_err(&func->dev,
239 "gdmwms: error: ret = %d\n", ret);
240 goto end_io;
241 }
242 }
243
244 end_io:
245 sdio_release_host(func);
246 }
247
send_sdu(struct sdio_func * func,struct tx_cxt * tx)248 static void send_sdu(struct sdio_func *func, struct tx_cxt *tx)
249 {
250 struct list_head *l, *next;
251 struct hci_s *hci;
252 struct sdio_tx *t;
253 int pos, len, i, estlen, aggr_num = 0, aggr_len;
254 u8 *buf;
255 unsigned long flags;
256
257 spin_lock_irqsave(&tx->lock, flags);
258
259 pos = TYPE_A_HEADER_SIZE + HCI_HEADER_SIZE;
260 list_for_each_entry(t, &tx->sdu_list, list) {
261 estlen = ((t->len + 3) & ~3) + 4;
262 if ((pos + estlen) > SDU_TX_BUF_SIZE)
263 break;
264
265 aggr_num++;
266 memcpy(tx->sdu_buf + pos, t->buf, t->len);
267 memset(tx->sdu_buf + pos + t->len, 0, estlen - t->len);
268 pos += estlen;
269 }
270 aggr_len = pos;
271
272 hci = (struct hci_s *)(tx->sdu_buf + TYPE_A_HEADER_SIZE);
273 hci->cmd_evt = cpu_to_be16(WIMAX_TX_SDU_AGGR);
274 hci->length = cpu_to_be16(aggr_len - TYPE_A_HEADER_SIZE -
275 HCI_HEADER_SIZE);
276
277 spin_unlock_irqrestore(&tx->lock, flags);
278
279 dev_dbg(&func->dev, "sdio_send: %*ph\n", aggr_len - TYPE_A_HEADER_SIZE,
280 tx->sdu_buf + TYPE_A_HEADER_SIZE);
281
282 for (pos = TYPE_A_HEADER_SIZE; pos < aggr_len; pos += TX_CHUNK_SIZE) {
283 len = aggr_len - pos;
284 len = len > TX_CHUNK_SIZE ? TX_CHUNK_SIZE : len;
285 buf = tx->sdu_buf + pos - TYPE_A_HEADER_SIZE;
286
287 buf[0] = len & 0xff;
288 buf[1] = (len >> 8) & 0xff;
289 buf[2] = (len >> 16) & 0xff;
290 buf[3] = (pos + len) >= aggr_len ? 0 : 1;
291 send_sdio_pkt(func, buf, len + TYPE_A_HEADER_SIZE);
292 }
293
294 spin_lock_irqsave(&tx->lock, flags);
295
296 for (l = tx->sdu_list.next, i = 0; i < aggr_num; i++, l = next) {
297 next = l->next;
298 t = list_entry(l, struct sdio_tx, list);
299 if (t->callback)
300 t->callback(t->cb_data);
301
302 list_del(l);
303 put_tx_struct(t->tx_cxt, t);
304 }
305
306 do_gettimeofday(&tx->sdu_stamp);
307 spin_unlock_irqrestore(&tx->lock, flags);
308 }
309
send_hci(struct sdio_func * func,struct tx_cxt * tx,struct sdio_tx * t)310 static void send_hci(struct sdio_func *func, struct tx_cxt *tx,
311 struct sdio_tx *t)
312 {
313 unsigned long flags;
314
315 dev_dbg(&func->dev, "sdio_send: %*ph\n", t->len - TYPE_A_HEADER_SIZE,
316 t->buf + TYPE_A_HEADER_SIZE);
317
318 send_sdio_pkt(func, t->buf, t->len);
319
320 spin_lock_irqsave(&tx->lock, flags);
321 if (t->callback)
322 t->callback(t->cb_data);
323 free_tx_struct(t);
324 spin_unlock_irqrestore(&tx->lock, flags);
325 }
326
do_tx(struct work_struct * work)327 static void do_tx(struct work_struct *work)
328 {
329 struct sdiowm_dev *sdev = container_of(work, struct sdiowm_dev, ws);
330 struct sdio_func *func = sdev->func;
331 struct tx_cxt *tx = &sdev->tx;
332 struct sdio_tx *t = NULL;
333 struct timeval now, *before;
334 int is_sdu = 0;
335 long diff;
336 unsigned long flags;
337
338 spin_lock_irqsave(&tx->lock, flags);
339 if (!tx->can_send) {
340 spin_unlock_irqrestore(&tx->lock, flags);
341 return;
342 }
343
344 if (!list_empty(&tx->hci_list)) {
345 t = list_entry(tx->hci_list.next, struct sdio_tx, list);
346 list_del(&t->list);
347 is_sdu = 0;
348 } else if (!tx->stop_sdu_tx && !list_empty(&tx->sdu_list)) {
349 do_gettimeofday(&now);
350 before = &tx->sdu_stamp;
351
352 diff = (now.tv_sec - before->tv_sec) * 1000000 +
353 (now.tv_usec - before->tv_usec);
354 if (diff >= 0 && diff < TX_INTERVAL) {
355 schedule_work(&sdev->ws);
356 spin_unlock_irqrestore(&tx->lock, flags);
357 return;
358 }
359 is_sdu = 1;
360 }
361
362 if (!is_sdu && t == NULL) {
363 spin_unlock_irqrestore(&tx->lock, flags);
364 return;
365 }
366
367 tx->can_send = 0;
368
369 spin_unlock_irqrestore(&tx->lock, flags);
370
371 if (is_sdu)
372 send_sdu(func, tx);
373 else
374 send_hci(func, tx, t);
375 }
376
gdm_sdio_send(void * priv_dev,void * data,int len,void (* cb)(void * data),void * cb_data)377 static int gdm_sdio_send(void *priv_dev, void *data, int len,
378 void (*cb)(void *data), void *cb_data)
379 {
380 struct sdiowm_dev *sdev = priv_dev;
381 struct tx_cxt *tx = &sdev->tx;
382 struct sdio_tx *t;
383 u8 *pkt = data;
384 int no_spc = 0;
385 u16 cmd_evt;
386 unsigned long flags;
387
388 if (len > TX_BUF_SIZE - TYPE_A_HEADER_SIZE)
389 return -EINVAL;
390
391 spin_lock_irqsave(&tx->lock, flags);
392
393 cmd_evt = (pkt[0] << 8) | pkt[1];
394 if (cmd_evt == WIMAX_TX_SDU) {
395 t = get_tx_struct(tx, &no_spc);
396 if (t == NULL) {
397 /* This case must not happen. */
398 spin_unlock_irqrestore(&tx->lock, flags);
399 return -ENOSPC;
400 }
401 list_add_tail(&t->list, &tx->sdu_list);
402
403 memcpy(t->buf, data, len);
404
405 t->len = len;
406 t->callback = cb;
407 t->cb_data = cb_data;
408 } else {
409 t = alloc_tx_struct(tx);
410 if (t == NULL) {
411 spin_unlock_irqrestore(&tx->lock, flags);
412 return -ENOMEM;
413 }
414 list_add_tail(&t->list, &tx->hci_list);
415
416 t->buf[0] = len & 0xff;
417 t->buf[1] = (len >> 8) & 0xff;
418 t->buf[2] = (len >> 16) & 0xff;
419 t->buf[3] = 2;
420 memcpy(t->buf + TYPE_A_HEADER_SIZE, data, len);
421
422 t->len = len + TYPE_A_HEADER_SIZE;
423 t->callback = cb;
424 t->cb_data = cb_data;
425 }
426
427 if (tx->can_send)
428 schedule_work(&sdev->ws);
429
430 spin_unlock_irqrestore(&tx->lock, flags);
431
432 if (no_spc)
433 return -ENOSPC;
434
435 return 0;
436 }
437
438 /* Handle the HCI, WIMAX_SDU_TX_FLOW. */
control_sdu_tx_flow(struct sdiowm_dev * sdev,u8 * hci_data,int len)439 static int control_sdu_tx_flow(struct sdiowm_dev *sdev, u8 *hci_data, int len)
440 {
441 struct tx_cxt *tx = &sdev->tx;
442 u16 cmd_evt;
443 unsigned long flags;
444
445 spin_lock_irqsave(&tx->lock, flags);
446
447 cmd_evt = (hci_data[0] << 8) | (hci_data[1]);
448 if (cmd_evt != WIMAX_SDU_TX_FLOW)
449 goto out;
450
451 if (hci_data[4] == 0) {
452 dev_dbg(&sdev->func->dev, "WIMAX ==> STOP SDU TX\n");
453 tx->stop_sdu_tx = 1;
454 } else if (hci_data[4] == 1) {
455 dev_dbg(&sdev->func->dev, "WIMAX ==> START SDU TX\n");
456 tx->stop_sdu_tx = 0;
457 if (tx->can_send)
458 schedule_work(&sdev->ws);
459 /* If free buffer for sdu tx doesn't exist, then tx queue
460 * should not be woken. For this reason, don't pass the command,
461 * START_SDU_TX.
462 */
463 if (list_empty(&tx->free_list))
464 len = 0;
465 }
466
467 out:
468 spin_unlock_irqrestore(&tx->lock, flags);
469 return len;
470 }
471
gdm_sdio_irq(struct sdio_func * func)472 static void gdm_sdio_irq(struct sdio_func *func)
473 {
474 struct phy_dev *phy_dev = sdio_get_drvdata(func);
475 struct sdiowm_dev *sdev = phy_dev->priv_dev;
476 struct tx_cxt *tx = &sdev->tx;
477 struct rx_cxt *rx = &sdev->rx;
478 struct sdio_rx *r;
479 unsigned long flags;
480 u8 val, hdr[TYPE_A_LOOKAHEAD_SIZE], *buf;
481 u32 len, blocks, n;
482 int ret, remain;
483
484 /* Check interrupt */
485 val = sdio_readb(func, 0x13, &ret);
486 if (val & 0x01)
487 sdio_writeb(func, 0x01, 0x13, &ret); /* clear interrupt */
488 else
489 return;
490
491 ret = sdio_memcpy_fromio(func, hdr, 0x0, TYPE_A_LOOKAHEAD_SIZE);
492 if (ret) {
493 dev_err(&func->dev,
494 "Cannot read from function %d\n", func->num);
495 goto done;
496 }
497
498 len = (hdr[2] << 16) | (hdr[1] << 8) | hdr[0];
499 if (len > (RX_BUF_SIZE - TYPE_A_HEADER_SIZE)) {
500 dev_err(&func->dev, "Too big Type-A size: %d\n", len);
501 goto done;
502 }
503
504 if (hdr[3] == 1) { /* Ack */
505 u32 *ack_seq = (u32 *)&hdr[4];
506
507 spin_lock_irqsave(&tx->lock, flags);
508 tx->can_send = 1;
509
510 if (!list_empty(&tx->sdu_list) || !list_empty(&tx->hci_list))
511 schedule_work(&sdev->ws);
512 spin_unlock_irqrestore(&tx->lock, flags);
513 dev_dbg(&func->dev, "Ack... %0x\n", ntohl(*ack_seq));
514 goto done;
515 }
516
517 memcpy(rx->rx_buf, hdr + TYPE_A_HEADER_SIZE,
518 TYPE_A_LOOKAHEAD_SIZE - TYPE_A_HEADER_SIZE);
519
520 buf = rx->rx_buf + TYPE_A_LOOKAHEAD_SIZE - TYPE_A_HEADER_SIZE;
521 remain = len - TYPE_A_LOOKAHEAD_SIZE + TYPE_A_HEADER_SIZE;
522 if (remain <= 0)
523 goto end_io;
524
525 blocks = remain / func->cur_blksize;
526
527 if (blocks) {
528 n = blocks * func->cur_blksize;
529 ret = sdio_memcpy_fromio(func, buf, 0x0, n);
530 if (ret) {
531 dev_err(&func->dev,
532 "Cannot read from function %d\n", func->num);
533 goto done;
534 }
535 buf += n;
536 remain -= n;
537 }
538
539 if (remain) {
540 ret = sdio_memcpy_fromio(func, buf, 0x0, remain);
541 if (ret) {
542 dev_err(&func->dev,
543 "Cannot read from function %d\n", func->num);
544 goto done;
545 }
546 }
547
548 end_io:
549 dev_dbg(&func->dev, "sdio_receive: %*ph\n", len, rx->rx_buf);
550
551 len = control_sdu_tx_flow(sdev, rx->rx_buf, len);
552
553 spin_lock_irqsave(&rx->lock, flags);
554
555 if (!list_empty(&rx->req_list)) {
556 r = list_entry(rx->req_list.next, struct sdio_rx, list);
557 spin_unlock_irqrestore(&rx->lock, flags);
558 if (r->callback)
559 r->callback(r->cb_data, rx->rx_buf, len);
560 spin_lock_irqsave(&rx->lock, flags);
561 list_del(&r->list);
562 put_rx_struct(rx, r);
563 }
564
565 spin_unlock_irqrestore(&rx->lock, flags);
566
567 done:
568 sdio_writeb(func, 0x00, 0x10, &ret); /* PCRRT */
569 if (!phy_dev->netdev)
570 register_wimax_device(phy_dev, &func->dev);
571 }
572
gdm_sdio_receive(void * priv_dev,void (* cb)(void * cb_data,void * data,int len),void * cb_data)573 static int gdm_sdio_receive(void *priv_dev,
574 void (*cb)(void *cb_data, void *data, int len),
575 void *cb_data)
576 {
577 struct sdiowm_dev *sdev = priv_dev;
578 struct rx_cxt *rx = &sdev->rx;
579 struct sdio_rx *r;
580 unsigned long flags;
581
582 spin_lock_irqsave(&rx->lock, flags);
583 r = get_rx_struct(rx);
584 if (r == NULL) {
585 spin_unlock_irqrestore(&rx->lock, flags);
586 return -ENOMEM;
587 }
588
589 r->callback = cb;
590 r->cb_data = cb_data;
591
592 list_add_tail(&r->list, &rx->req_list);
593 spin_unlock_irqrestore(&rx->lock, flags);
594
595 return 0;
596 }
597
sdio_wimax_probe(struct sdio_func * func,const struct sdio_device_id * id)598 static int sdio_wimax_probe(struct sdio_func *func,
599 const struct sdio_device_id *id)
600 {
601 int ret;
602 struct phy_dev *phy_dev = NULL;
603 struct sdiowm_dev *sdev = NULL;
604
605 dev_info(&func->dev, "Found GDM SDIO VID = 0x%04x PID = 0x%04x...\n",
606 func->vendor, func->device);
607 dev_info(&func->dev, "GCT WiMax driver version %s\n", DRIVER_VERSION);
608
609 sdio_claim_host(func);
610 sdio_enable_func(func);
611 sdio_claim_irq(func, gdm_sdio_irq);
612
613 ret = sdio_boot(func);
614 if (ret)
615 return ret;
616
617 phy_dev = kzalloc(sizeof(*phy_dev), GFP_KERNEL);
618 if (phy_dev == NULL) {
619 ret = -ENOMEM;
620 goto out;
621 }
622 sdev = kzalloc(sizeof(*sdev), GFP_KERNEL);
623 if (sdev == NULL) {
624 ret = -ENOMEM;
625 goto out;
626 }
627
628 phy_dev->priv_dev = (void *)sdev;
629 phy_dev->send_func = gdm_sdio_send;
630 phy_dev->rcv_func = gdm_sdio_receive;
631
632 ret = init_sdio(sdev);
633 if (ret < 0)
634 goto out;
635
636 sdev->func = func;
637
638 sdio_writeb(func, 1, 0x14, &ret); /* Enable interrupt */
639 sdio_release_host(func);
640
641 INIT_WORK(&sdev->ws, do_tx);
642
643 sdio_set_drvdata(func, phy_dev);
644 out:
645 if (ret) {
646 kfree(phy_dev);
647 kfree(sdev);
648 }
649
650 return ret;
651 }
652
sdio_wimax_remove(struct sdio_func * func)653 static void sdio_wimax_remove(struct sdio_func *func)
654 {
655 struct phy_dev *phy_dev = sdio_get_drvdata(func);
656 struct sdiowm_dev *sdev = phy_dev->priv_dev;
657
658 cancel_work_sync(&sdev->ws);
659 if (phy_dev->netdev)
660 unregister_wimax_device(phy_dev);
661 sdio_claim_host(func);
662 sdio_release_irq(func);
663 sdio_disable_func(func);
664 sdio_release_host(func);
665 release_sdio(sdev);
666
667 kfree(sdev);
668 kfree(phy_dev);
669 }
670
671 static const struct sdio_device_id sdio_wimax_ids[] = {
672 { SDIO_DEVICE(0x0296, 0x5347) },
673 {0}
674 };
675
676 MODULE_DEVICE_TABLE(sdio, sdio_wimax_ids);
677
678 static struct sdio_driver sdio_wimax_driver = {
679 .probe = sdio_wimax_probe,
680 .remove = sdio_wimax_remove,
681 .name = "sdio_wimax",
682 .id_table = sdio_wimax_ids,
683 };
684
sdio_gdm_wimax_init(void)685 static int __init sdio_gdm_wimax_init(void)
686 {
687 return sdio_register_driver(&sdio_wimax_driver);
688 }
689
sdio_gdm_wimax_exit(void)690 static void __exit sdio_gdm_wimax_exit(void)
691 {
692 sdio_unregister_driver(&sdio_wimax_driver);
693 }
694
695 module_init(sdio_gdm_wimax_init);
696 module_exit(sdio_gdm_wimax_exit);
697
698 MODULE_VERSION(DRIVER_VERSION);
699 MODULE_DESCRIPTION("GCT WiMax SDIO Device Driver");
700 MODULE_AUTHOR("Ethan Park");
701 MODULE_LICENSE("GPL");
702