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18#include <linux/module.h>
19#include <linux/types.h>
20#include <net/rsi_91x.h>
21#include "rsi_usb.h"
22#include "rsi_hal.h"
23#include "rsi_coex.h"
24
25
26static u16 dev_oper_mode = DEV_OPMODE_STA_BT_DUAL;
27module_param(dev_oper_mode, ushort, 0444);
28MODULE_PARM_DESC(dev_oper_mode,
29 "1[Wi-Fi], 4[BT], 8[BT LE], 5[Wi-Fi STA + BT classic]\n"
30 "9[Wi-Fi STA + BT LE], 13[Wi-Fi STA + BT classic + BT LE]\n"
31 "6[AP + BT classic], 14[AP + BT classic + BT LE]");
32
33static int rsi_rx_urb_submit(struct rsi_hw *adapter, u8 ep_num, gfp_t flags);
34
35
36
37
38
39
40
41
42
43
44static int rsi_usb_card_write(struct rsi_hw *adapter,
45 u8 *buf,
46 u16 len,
47 u8 endpoint)
48{
49 struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev;
50 int status;
51 u8 *seg = dev->tx_buffer;
52 int transfer;
53 int ep = dev->bulkout_endpoint_addr[endpoint - 1];
54
55 memset(seg, 0, len + RSI_USB_TX_HEAD_ROOM);
56 memcpy(seg + RSI_USB_TX_HEAD_ROOM, buf, len);
57 len += RSI_USB_TX_HEAD_ROOM;
58 transfer = len;
59 status = usb_bulk_msg(dev->usbdev,
60 usb_sndbulkpipe(dev->usbdev, ep),
61 (void *)seg,
62 (int)len,
63 &transfer,
64 HZ * 5);
65
66 if (status < 0) {
67 rsi_dbg(ERR_ZONE,
68 "Card write failed with error code :%10d\n", status);
69 dev->write_fail = 1;
70 }
71 return status;
72}
73
74
75
76
77
78
79
80
81
82
83
84static int rsi_write_multiple(struct rsi_hw *adapter,
85 u8 endpoint,
86 u8 *data,
87 u32 count)
88{
89 struct rsi_91x_usbdev *dev;
90
91 if (!adapter)
92 return -ENODEV;
93
94 if (endpoint == 0)
95 return -EINVAL;
96
97 dev = (struct rsi_91x_usbdev *)adapter->rsi_dev;
98 if (dev->write_fail)
99 return -ENETDOWN;
100
101 return rsi_usb_card_write(adapter, data, count, endpoint);
102}
103
104
105
106
107
108
109
110
111
112static int rsi_find_bulk_in_and_out_endpoints(struct usb_interface *interface,
113 struct rsi_hw *adapter)
114{
115 struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev;
116 struct usb_host_interface *iface_desc;
117 struct usb_endpoint_descriptor *endpoint;
118 __le16 buffer_size;
119 int ii, bin_found = 0, bout_found = 0;
120
121 iface_desc = interface->cur_altsetting;
122
123 for (ii = 0; ii < iface_desc->desc.bNumEndpoints; ++ii) {
124 endpoint = &(iface_desc->endpoint[ii].desc);
125
126 if (!dev->bulkin_endpoint_addr[bin_found] &&
127 (endpoint->bEndpointAddress & USB_DIR_IN) &&
128 ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
129 USB_ENDPOINT_XFER_BULK)) {
130 buffer_size = endpoint->wMaxPacketSize;
131 dev->bulkin_size[bin_found] = buffer_size;
132 dev->bulkin_endpoint_addr[bin_found] =
133 endpoint->bEndpointAddress;
134 bin_found++;
135 }
136
137 if (!dev->bulkout_endpoint_addr[bout_found] &&
138 !(endpoint->bEndpointAddress & USB_DIR_IN) &&
139 ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
140 USB_ENDPOINT_XFER_BULK)) {
141 buffer_size = endpoint->wMaxPacketSize;
142 dev->bulkout_endpoint_addr[bout_found] =
143 endpoint->bEndpointAddress;
144 dev->bulkout_size[bout_found] = buffer_size;
145 bout_found++;
146 }
147
148 if (bin_found >= MAX_BULK_EP || bout_found >= MAX_BULK_EP)
149 break;
150 }
151
152 if (!(dev->bulkin_endpoint_addr[0] && dev->bulkout_endpoint_addr[0])) {
153 dev_err(&interface->dev, "missing wlan bulk endpoints\n");
154 return -EINVAL;
155 }
156
157 if (adapter->priv->coex_mode > 1) {
158 if (!dev->bulkin_endpoint_addr[1]) {
159 dev_err(&interface->dev, "missing bt bulk-in endpoint\n");
160 return -EINVAL;
161 }
162 }
163
164 return 0;
165}
166
167#define RSI_USB_REQ_OUT (USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE)
168#define RSI_USB_REQ_IN (USB_TYPE_VENDOR | USB_DIR_IN | USB_RECIP_DEVICE)
169
170
171
172
173
174
175
176
177
178static int rsi_usb_reg_read(struct usb_device *usbdev,
179 u32 reg,
180 u16 *value,
181 u16 len)
182{
183 u8 *buf;
184 int status = -ENOMEM;
185
186 if (len > RSI_USB_CTRL_BUF_SIZE)
187 return -EINVAL;
188
189 buf = kmalloc(RSI_USB_CTRL_BUF_SIZE, GFP_KERNEL);
190 if (!buf)
191 return status;
192
193 status = usb_control_msg(usbdev,
194 usb_rcvctrlpipe(usbdev, 0),
195 USB_VENDOR_REGISTER_READ,
196 RSI_USB_REQ_IN,
197 ((reg & 0xffff0000) >> 16), (reg & 0xffff),
198 (void *)buf,
199 len,
200 USB_CTRL_GET_TIMEOUT);
201
202 *value = (buf[0] | (buf[1] << 8));
203 if (status < 0) {
204 rsi_dbg(ERR_ZONE,
205 "%s: Reg read failed with error code :%d\n",
206 __func__, status);
207 }
208 kfree(buf);
209
210 return status;
211}
212
213
214
215
216
217
218
219
220
221
222
223static int rsi_usb_reg_write(struct usb_device *usbdev,
224 u32 reg,
225 u32 value,
226 u16 len)
227{
228 u8 *usb_reg_buf;
229 int status = -ENOMEM;
230
231 if (len > RSI_USB_CTRL_BUF_SIZE)
232 return -EINVAL;
233
234 usb_reg_buf = kmalloc(RSI_USB_CTRL_BUF_SIZE, GFP_KERNEL);
235 if (!usb_reg_buf)
236 return status;
237
238 usb_reg_buf[0] = (cpu_to_le32(value) & 0x00ff);
239 usb_reg_buf[1] = (cpu_to_le32(value) & 0xff00) >> 8;
240 usb_reg_buf[2] = (cpu_to_le32(value) & 0x00ff0000) >> 16;
241 usb_reg_buf[3] = (cpu_to_le32(value) & 0xff000000) >> 24;
242
243 status = usb_control_msg(usbdev,
244 usb_sndctrlpipe(usbdev, 0),
245 USB_VENDOR_REGISTER_WRITE,
246 RSI_USB_REQ_OUT,
247 ((cpu_to_le32(reg) & 0xffff0000) >> 16),
248 (cpu_to_le32(reg) & 0xffff),
249 (void *)usb_reg_buf,
250 len,
251 USB_CTRL_SET_TIMEOUT);
252 if (status < 0) {
253 rsi_dbg(ERR_ZONE,
254 "%s: Reg write failed with error code :%d\n",
255 __func__, status);
256 }
257 kfree(usb_reg_buf);
258
259 return status;
260}
261
262
263
264
265
266
267
268
269static void rsi_rx_done_handler(struct urb *urb)
270{
271 struct rx_usb_ctrl_block *rx_cb = urb->context;
272 struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)rx_cb->data;
273 int status = -EINVAL;
274
275 if (urb->status) {
276 dev_kfree_skb(rx_cb->rx_skb);
277 return;
278 }
279
280 if (urb->actual_length <= 0 ||
281 urb->actual_length > rx_cb->rx_skb->len) {
282 rsi_dbg(INFO_ZONE, "%s: Invalid packet length = %d\n",
283 __func__, urb->actual_length);
284 goto out;
285 }
286 if (skb_queue_len(&dev->rx_q) >= RSI_MAX_RX_PKTS) {
287 rsi_dbg(INFO_ZONE, "Max RX packets reached\n");
288 goto out;
289 }
290 skb_trim(rx_cb->rx_skb, urb->actual_length);
291 skb_queue_tail(&dev->rx_q, rx_cb->rx_skb);
292
293 rsi_set_event(&dev->rx_thread.event);
294 status = 0;
295
296out:
297 if (rsi_rx_urb_submit(dev->priv, rx_cb->ep_num, GFP_ATOMIC))
298 rsi_dbg(ERR_ZONE, "%s: Failed in urb submission", __func__);
299
300 if (status)
301 dev_kfree_skb(rx_cb->rx_skb);
302}
303
304static void rsi_rx_urb_kill(struct rsi_hw *adapter, u8 ep_num)
305{
306 struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev;
307 struct rx_usb_ctrl_block *rx_cb = &dev->rx_cb[ep_num - 1];
308 struct urb *urb = rx_cb->rx_urb;
309
310 usb_kill_urb(urb);
311}
312
313
314
315
316
317
318
319
320
321static int rsi_rx_urb_submit(struct rsi_hw *adapter, u8 ep_num, gfp_t mem_flags)
322{
323 struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev;
324 struct rx_usb_ctrl_block *rx_cb = &dev->rx_cb[ep_num - 1];
325 struct urb *urb = rx_cb->rx_urb;
326 int status;
327 struct sk_buff *skb;
328 u8 dword_align_bytes = 0;
329
330#define RSI_MAX_RX_USB_PKT_SIZE 3000
331 skb = dev_alloc_skb(RSI_MAX_RX_USB_PKT_SIZE);
332 if (!skb)
333 return -ENOMEM;
334 skb_reserve(skb, MAX_DWORD_ALIGN_BYTES);
335 skb_put(skb, RSI_MAX_RX_USB_PKT_SIZE - MAX_DWORD_ALIGN_BYTES);
336 dword_align_bytes = (unsigned long)skb->data & 0x3f;
337 if (dword_align_bytes > 0)
338 skb_push(skb, dword_align_bytes);
339 urb->transfer_buffer = skb->data;
340 rx_cb->rx_skb = skb;
341
342 usb_fill_bulk_urb(urb,
343 dev->usbdev,
344 usb_rcvbulkpipe(dev->usbdev,
345 dev->bulkin_endpoint_addr[ep_num - 1]),
346 urb->transfer_buffer,
347 skb->len,
348 rsi_rx_done_handler,
349 rx_cb);
350
351 status = usb_submit_urb(urb, mem_flags);
352 if (status) {
353 rsi_dbg(ERR_ZONE, "%s: Failed in urb submission\n", __func__);
354 dev_kfree_skb(skb);
355 }
356
357 return status;
358}
359
360static int rsi_usb_read_register_multiple(struct rsi_hw *adapter, u32 addr,
361 u8 *data, u16 count)
362{
363 struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev;
364 u8 *buf;
365 u16 transfer;
366 int status;
367
368 if (!addr)
369 return -EINVAL;
370
371 buf = kzalloc(RSI_USB_BUF_SIZE, GFP_KERNEL);
372 if (!buf)
373 return -ENOMEM;
374
375 while (count) {
376 transfer = min_t(u16, count, RSI_USB_BUF_SIZE);
377 status = usb_control_msg(dev->usbdev,
378 usb_rcvctrlpipe(dev->usbdev, 0),
379 USB_VENDOR_REGISTER_READ,
380 RSI_USB_REQ_IN,
381 ((addr & 0xffff0000) >> 16),
382 (addr & 0xffff), (void *)buf,
383 transfer, USB_CTRL_GET_TIMEOUT);
384 if (status < 0) {
385 rsi_dbg(ERR_ZONE,
386 "Reg read failed with error code :%d\n",
387 status);
388 kfree(buf);
389 return status;
390 }
391 memcpy(data, buf, transfer);
392 count -= transfer;
393 data += transfer;
394 addr += transfer;
395 }
396 kfree(buf);
397 return 0;
398}
399
400
401
402
403
404
405
406
407
408
409
410static int rsi_usb_write_register_multiple(struct rsi_hw *adapter, u32 addr,
411 u8 *data, u16 count)
412{
413 struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev;
414 u8 *buf;
415 u16 transfer;
416 int status = 0;
417
418 buf = kzalloc(RSI_USB_BUF_SIZE, GFP_KERNEL);
419 if (!buf)
420 return -ENOMEM;
421
422 while (count) {
423 transfer = min_t(u16, count, RSI_USB_BUF_SIZE);
424 memcpy(buf, data, transfer);
425 status = usb_control_msg(dev->usbdev,
426 usb_sndctrlpipe(dev->usbdev, 0),
427 USB_VENDOR_REGISTER_WRITE,
428 RSI_USB_REQ_OUT,
429 ((addr & 0xffff0000) >> 16),
430 (addr & 0xffff),
431 (void *)buf,
432 transfer,
433 USB_CTRL_SET_TIMEOUT);
434 if (status < 0) {
435 rsi_dbg(ERR_ZONE,
436 "Reg write failed with error code :%d\n",
437 status);
438 kfree(buf);
439 return status;
440 }
441 count -= transfer;
442 data += transfer;
443 addr += transfer;
444 }
445
446 kfree(buf);
447 return 0;
448}
449
450
451
452
453
454
455
456
457
458
459static int rsi_usb_host_intf_write_pkt(struct rsi_hw *adapter,
460 u8 *pkt,
461 u32 len)
462{
463 u32 queueno = ((pkt[1] >> 4) & 0x7);
464 u8 endpoint;
465
466 endpoint = ((queueno == RSI_WIFI_MGMT_Q || queueno == RSI_WIFI_DATA_Q ||
467 queueno == RSI_COEX_Q) ? WLAN_EP : BT_EP);
468
469 return rsi_write_multiple(adapter,
470 endpoint,
471 (u8 *)pkt,
472 len);
473}
474
475static int rsi_usb_master_reg_read(struct rsi_hw *adapter, u32 reg,
476 u32 *value, u16 len)
477{
478 struct usb_device *usbdev =
479 ((struct rsi_91x_usbdev *)adapter->rsi_dev)->usbdev;
480 u16 temp;
481 int ret;
482
483 ret = rsi_usb_reg_read(usbdev, reg, &temp, len);
484 if (ret < 0)
485 return ret;
486 *value = temp;
487
488 return 0;
489}
490
491static int rsi_usb_master_reg_write(struct rsi_hw *adapter,
492 unsigned long reg,
493 unsigned long value, u16 len)
494{
495 struct usb_device *usbdev =
496 ((struct rsi_91x_usbdev *)adapter->rsi_dev)->usbdev;
497
498 return rsi_usb_reg_write(usbdev, reg, value, len);
499}
500
501static int rsi_usb_load_data_master_write(struct rsi_hw *adapter,
502 u32 base_address,
503 u32 instructions_sz, u16 block_size,
504 u8 *ta_firmware)
505{
506 u16 num_blocks;
507 u32 cur_indx, i;
508 u8 temp_buf[256];
509 int status;
510
511 num_blocks = instructions_sz / block_size;
512 rsi_dbg(INFO_ZONE, "num_blocks: %d\n", num_blocks);
513
514 for (cur_indx = 0, i = 0; i < num_blocks; i++, cur_indx += block_size) {
515 memcpy(temp_buf, ta_firmware + cur_indx, block_size);
516 status = rsi_usb_write_register_multiple(adapter, base_address,
517 (u8 *)(temp_buf),
518 block_size);
519 if (status < 0)
520 return status;
521
522 rsi_dbg(INFO_ZONE, "%s: loading block: %d\n", __func__, i);
523 base_address += block_size;
524 }
525
526 if (instructions_sz % block_size) {
527 memset(temp_buf, 0, block_size);
528 memcpy(temp_buf, ta_firmware + cur_indx,
529 instructions_sz % block_size);
530 status = rsi_usb_write_register_multiple
531 (adapter, base_address,
532 (u8 *)temp_buf,
533 instructions_sz % block_size);
534 if (status < 0)
535 return status;
536 rsi_dbg(INFO_ZONE,
537 "Written Last Block in Address 0x%x Successfully\n",
538 cur_indx);
539 }
540 return 0;
541}
542
543static struct rsi_host_intf_ops usb_host_intf_ops = {
544 .write_pkt = rsi_usb_host_intf_write_pkt,
545 .read_reg_multiple = rsi_usb_read_register_multiple,
546 .write_reg_multiple = rsi_usb_write_register_multiple,
547 .master_reg_read = rsi_usb_master_reg_read,
548 .master_reg_write = rsi_usb_master_reg_write,
549 .load_data_master_write = rsi_usb_load_data_master_write,
550};
551
552
553
554
555
556
557
558static void rsi_deinit_usb_interface(struct rsi_hw *adapter)
559{
560 struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev;
561
562 rsi_kill_thread(&dev->rx_thread);
563
564 usb_free_urb(dev->rx_cb[0].rx_urb);
565 if (adapter->priv->coex_mode > 1)
566 usb_free_urb(dev->rx_cb[1].rx_urb);
567
568 kfree(dev->tx_buffer);
569}
570
571static int rsi_usb_init_rx(struct rsi_hw *adapter)
572{
573 struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev;
574 struct rx_usb_ctrl_block *rx_cb;
575 u8 idx, num_rx_cb;
576
577 num_rx_cb = (adapter->priv->coex_mode > 1 ? 2 : 1);
578
579 for (idx = 0; idx < num_rx_cb; idx++) {
580 rx_cb = &dev->rx_cb[idx];
581
582 rx_cb->rx_urb = usb_alloc_urb(0, GFP_KERNEL);
583 if (!rx_cb->rx_urb) {
584 rsi_dbg(ERR_ZONE, "Failed alloc rx urb[%d]\n", idx);
585 goto err;
586 }
587 rx_cb->ep_num = idx + 1;
588 rx_cb->data = (void *)dev;
589 }
590 skb_queue_head_init(&dev->rx_q);
591 rsi_init_event(&dev->rx_thread.event);
592 if (rsi_create_kthread(adapter->priv, &dev->rx_thread,
593 rsi_usb_rx_thread, "RX-Thread")) {
594 rsi_dbg(ERR_ZONE, "%s: Unable to init rx thrd\n", __func__);
595 goto err;
596 }
597
598 return 0;
599
600err:
601 usb_free_urb(dev->rx_cb[0].rx_urb);
602 if (adapter->priv->coex_mode > 1)
603 usb_free_urb(dev->rx_cb[1].rx_urb);
604
605 return -1;
606}
607
608
609
610
611
612
613
614
615static int rsi_init_usb_interface(struct rsi_hw *adapter,
616 struct usb_interface *pfunction)
617{
618 struct rsi_91x_usbdev *rsi_dev;
619 int status;
620
621 rsi_dev = kzalloc(sizeof(*rsi_dev), GFP_KERNEL);
622 if (!rsi_dev)
623 return -ENOMEM;
624
625 adapter->rsi_dev = rsi_dev;
626 rsi_dev->usbdev = interface_to_usbdev(pfunction);
627 rsi_dev->priv = (void *)adapter;
628
629 if (rsi_find_bulk_in_and_out_endpoints(pfunction, adapter)) {
630 status = -EINVAL;
631 goto fail_eps;
632 }
633
634 adapter->device = &pfunction->dev;
635 usb_set_intfdata(pfunction, adapter);
636
637 rsi_dev->tx_buffer = kmalloc(2048, GFP_KERNEL);
638 if (!rsi_dev->tx_buffer) {
639 status = -ENOMEM;
640 goto fail_eps;
641 }
642
643 if (rsi_usb_init_rx(adapter)) {
644 rsi_dbg(ERR_ZONE, "Failed to init RX handle\n");
645 status = -ENOMEM;
646 goto fail_rx;
647 }
648
649 rsi_dev->tx_blk_size = 252;
650 adapter->block_size = rsi_dev->tx_blk_size;
651
652
653 adapter->check_hw_queue_status = rsi_usb_check_queue_status;
654 adapter->determine_event_timeout = rsi_usb_event_timeout;
655 adapter->rsi_host_intf = RSI_HOST_INTF_USB;
656 adapter->host_intf_ops = &usb_host_intf_ops;
657
658#ifdef CONFIG_RSI_DEBUGFS
659
660 adapter->num_debugfs_entries = (MAX_DEBUGFS_ENTRIES - 1);
661#endif
662
663 rsi_dbg(INIT_ZONE, "%s: Enabled the interface\n", __func__);
664 return 0;
665
666fail_rx:
667 kfree(rsi_dev->tx_buffer);
668
669fail_eps:
670
671 return status;
672}
673
674static int usb_ulp_read_write(struct rsi_hw *adapter, u16 addr, u32 data,
675 u16 len_in_bits)
676{
677 int ret;
678
679 ret = rsi_usb_master_reg_write
680 (adapter, RSI_GSPI_DATA_REG1,
681 ((addr << 6) | ((data >> 16) & 0xffff)), 2);
682 if (ret < 0)
683 return ret;
684
685 ret = rsi_usb_master_reg_write(adapter, RSI_GSPI_DATA_REG0,
686 (data & 0xffff), 2);
687 if (ret < 0)
688 return ret;
689
690
691 rsi_usb_master_reg_write(adapter, RSI_GSPI_CTRL_REG0,
692 RSI_GSPI_CTRL_REG0_VALUE, 2);
693
694 ret = rsi_usb_master_reg_write(adapter, RSI_GSPI_CTRL_REG1,
695 ((len_in_bits - 1) | RSI_GSPI_TRIG), 2);
696 if (ret < 0)
697 return ret;
698
699 msleep(20);
700
701 return 0;
702}
703
704static int rsi_reset_card(struct rsi_hw *adapter)
705{
706 int ret;
707
708 rsi_dbg(INFO_ZONE, "Resetting Card...\n");
709 rsi_usb_master_reg_write(adapter, RSI_TA_HOLD_REG, 0xE, 4);
710
711
712
713
714 msleep(100);
715
716 ret = rsi_usb_master_reg_write(adapter, SWBL_REGOUT,
717 RSI_FW_WDT_DISABLE_REQ,
718 RSI_COMMON_REG_SIZE);
719 if (ret < 0) {
720 rsi_dbg(ERR_ZONE, "Disabling firmware watchdog timer failed\n");
721 goto fail;
722 }
723
724 if (adapter->device_model != RSI_DEV_9116) {
725 ret = usb_ulp_read_write(adapter, RSI_WATCH_DOG_TIMER_1,
726 RSI_ULP_WRITE_2, 32);
727 if (ret < 0)
728 goto fail;
729 ret = usb_ulp_read_write(adapter, RSI_WATCH_DOG_TIMER_2,
730 RSI_ULP_WRITE_0, 32);
731 if (ret < 0)
732 goto fail;
733 ret = usb_ulp_read_write(adapter, RSI_WATCH_DOG_DELAY_TIMER_1,
734 RSI_ULP_WRITE_50, 32);
735 if (ret < 0)
736 goto fail;
737 ret = usb_ulp_read_write(adapter, RSI_WATCH_DOG_DELAY_TIMER_2,
738 RSI_ULP_WRITE_0, 32);
739 if (ret < 0)
740 goto fail;
741 ret = usb_ulp_read_write(adapter, RSI_WATCH_DOG_TIMER_ENABLE,
742 RSI_ULP_TIMER_ENABLE, 32);
743 if (ret < 0)
744 goto fail;
745 } else {
746 ret = rsi_usb_master_reg_write(adapter,
747 NWP_WWD_INTERRUPT_TIMER,
748 NWP_WWD_INT_TIMER_CLKS,
749 RSI_9116_REG_SIZE);
750 if (ret < 0)
751 goto fail;
752 ret = rsi_usb_master_reg_write(adapter,
753 NWP_WWD_SYSTEM_RESET_TIMER,
754 NWP_WWD_SYS_RESET_TIMER_CLKS,
755 RSI_9116_REG_SIZE);
756 if (ret < 0)
757 goto fail;
758 ret = rsi_usb_master_reg_write(adapter,
759 NWP_WWD_MODE_AND_RSTART,
760 NWP_WWD_TIMER_DISABLE,
761 RSI_9116_REG_SIZE);
762 if (ret < 0)
763 goto fail;
764 }
765
766 rsi_dbg(INFO_ZONE, "Reset card done\n");
767 return ret;
768
769fail:
770 rsi_dbg(ERR_ZONE, "Reset card failed\n");
771 return ret;
772}
773
774
775
776
777
778
779
780
781
782
783static int rsi_probe(struct usb_interface *pfunction,
784 const struct usb_device_id *id)
785{
786 struct rsi_hw *adapter;
787 struct rsi_91x_usbdev *dev;
788 u16 fw_status;
789 int status;
790
791 rsi_dbg(INIT_ZONE, "%s: Init function called\n", __func__);
792
793 adapter = rsi_91x_init(dev_oper_mode);
794 if (!adapter) {
795 rsi_dbg(ERR_ZONE, "%s: Failed to init os intf ops\n",
796 __func__);
797 return -ENOMEM;
798 }
799 adapter->rsi_host_intf = RSI_HOST_INTF_USB;
800
801 status = rsi_init_usb_interface(adapter, pfunction);
802 if (status) {
803 rsi_dbg(ERR_ZONE, "%s: Failed to init usb interface\n",
804 __func__);
805 goto err;
806 }
807
808 rsi_dbg(ERR_ZONE, "%s: Initialized os intf ops\n", __func__);
809
810 if (id->idProduct == RSI_USB_PID_9113) {
811 rsi_dbg(INIT_ZONE, "%s: 9113 module detected\n", __func__);
812 adapter->device_model = RSI_DEV_9113;
813 } else if (id->idProduct == RSI_USB_PID_9116) {
814 rsi_dbg(INIT_ZONE, "%s: 9116 module detected\n", __func__);
815 adapter->device_model = RSI_DEV_9116;
816 } else {
817 rsi_dbg(ERR_ZONE, "%s: Unsupported RSI device id 0x%x\n",
818 __func__, id->idProduct);
819 status = -ENODEV;
820 goto err1;
821 }
822
823 dev = (struct rsi_91x_usbdev *)adapter->rsi_dev;
824
825 status = rsi_usb_reg_read(dev->usbdev, FW_STATUS_REG, &fw_status, 2);
826 if (status < 0)
827 goto err1;
828 else
829 fw_status &= 1;
830
831 if (!fw_status) {
832 rsi_dbg(INIT_ZONE, "Loading firmware...\n");
833 status = rsi_hal_device_init(adapter);
834 if (status) {
835 rsi_dbg(ERR_ZONE, "%s: Failed in device init\n",
836 __func__);
837 goto err1;
838 }
839 rsi_dbg(INIT_ZONE, "%s: Device Init Done\n", __func__);
840 }
841
842 status = rsi_rx_urb_submit(adapter, WLAN_EP, GFP_KERNEL);
843 if (status)
844 goto err1;
845
846 if (adapter->priv->coex_mode > 1) {
847 status = rsi_rx_urb_submit(adapter, BT_EP, GFP_KERNEL);
848 if (status)
849 goto err_kill_wlan_urb;
850 }
851
852 return 0;
853
854err_kill_wlan_urb:
855 rsi_rx_urb_kill(adapter, WLAN_EP);
856err1:
857 rsi_deinit_usb_interface(adapter);
858err:
859 rsi_91x_deinit(adapter);
860 rsi_dbg(ERR_ZONE, "%s: Failed in probe...Exiting\n", __func__);
861 return status;
862}
863
864
865
866
867
868
869
870
871static void rsi_disconnect(struct usb_interface *pfunction)
872{
873 struct rsi_hw *adapter = usb_get_intfdata(pfunction);
874
875 if (!adapter)
876 return;
877
878 rsi_mac80211_detach(adapter);
879
880 if (IS_ENABLED(CONFIG_RSI_COEX) && adapter->priv->coex_mode > 1 &&
881 adapter->priv->bt_adapter) {
882 rsi_bt_ops.detach(adapter->priv->bt_adapter);
883 adapter->priv->bt_adapter = NULL;
884 }
885
886 if (adapter->priv->coex_mode > 1)
887 rsi_rx_urb_kill(adapter, BT_EP);
888 rsi_rx_urb_kill(adapter, WLAN_EP);
889
890 rsi_reset_card(adapter);
891 rsi_deinit_usb_interface(adapter);
892 rsi_91x_deinit(adapter);
893
894 rsi_dbg(INFO_ZONE, "%s: Deinitialization completed\n", __func__);
895}
896
897#ifdef CONFIG_PM
898static int rsi_suspend(struct usb_interface *intf, pm_message_t message)
899{
900
901 return -ENOSYS;
902}
903
904static int rsi_resume(struct usb_interface *intf)
905{
906
907 return -ENOSYS;
908}
909#endif
910
911static const struct usb_device_id rsi_dev_table[] = {
912 { USB_DEVICE(RSI_USB_VENDOR_ID, RSI_USB_PID_9113) },
913 { USB_DEVICE(RSI_USB_VENDOR_ID, RSI_USB_PID_9116) },
914 { },
915};
916
917static struct usb_driver rsi_driver = {
918 .name = "RSI-USB WLAN",
919 .probe = rsi_probe,
920 .disconnect = rsi_disconnect,
921 .id_table = rsi_dev_table,
922#ifdef CONFIG_PM
923 .suspend = rsi_suspend,
924 .resume = rsi_resume,
925#endif
926};
927
928module_usb_driver(rsi_driver);
929
930MODULE_AUTHOR("Redpine Signals Inc");
931MODULE_DESCRIPTION("Common USB layer for RSI drivers");
932MODULE_DEVICE_TABLE(usb, rsi_dev_table);
933MODULE_FIRMWARE(FIRMWARE_RSI9113);
934MODULE_VERSION("0.1");
935MODULE_LICENSE("Dual BSD/GPL");
936