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1#include "headers.h"
2#include <linux/usb/ch9.h>
3static struct usb_device_id InterfaceUsbtable[] = {
4 { USB_DEVICE(BCM_USB_VENDOR_ID_T3, BCM_USB_PRODUCT_ID_T3) },
5 { USB_DEVICE(BCM_USB_VENDOR_ID_T3, BCM_USB_PRODUCT_ID_T3B) },
6 { USB_DEVICE(BCM_USB_VENDOR_ID_T3, BCM_USB_PRODUCT_ID_T3L) },
7 { USB_DEVICE(BCM_USB_VENDOR_ID_T3, BCM_USB_PRODUCT_ID_SYM) },
8 { USB_DEVICE(BCM_USB_VENDOR_ID_ZTE, BCM_USB_PRODUCT_ID_226) },
9 { USB_DEVICE(BCM_USB_VENDOR_ID_FOXCONN, BCM_USB_PRODUCT_ID_1901) },
10 { USB_DEVICE(BCM_USB_VENDOR_ID_ZTE, BCM_USB_PRODUCT_ID_ZTE_TU25) },
11 { USB_DEVICE(BCM_USB_VENDOR_ID_ZTE, BCM_USB_PRODUCT_ID_ZTE_226) },
12 { USB_DEVICE(BCM_USB_VENDOR_ID_ZTE, BCM_USB_PRODUCT_ID_ZTE_326) },
13 { }
14};
15MODULE_DEVICE_TABLE(usb, InterfaceUsbtable);
16
17static int debug = -1;
18module_param(debug, uint, 0600);
19MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
20
21static const u32 default_msg =
22 NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK
23 | NETIF_MSG_TIMER | NETIF_MSG_TX_ERR | NETIF_MSG_RX_ERR
24 | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN;
25
26static int InterfaceAdapterInit(struct bcm_interface_adapter *Adapter);
27
28static void InterfaceAdapterFree(struct bcm_interface_adapter *psIntfAdapter)
29{
30 int i = 0;
31
32 /* Wake up the wait_queue... */
33 if (psIntfAdapter->psAdapter->LEDInfo.led_thread_running &
34 BCM_LED_THREAD_RUNNING_ACTIVELY) {
35 psIntfAdapter->psAdapter->DriverState = DRIVER_HALT;
36 wake_up(&psIntfAdapter->psAdapter->LEDInfo.notify_led_event);
37 }
38 reset_card_proc(psIntfAdapter->psAdapter);
39
40 /*
41 * worst case time taken by the RDM/WRM will be 5 sec. will check after
42 * every 100 ms to accertain the device is not being accessed. After
43 * this No RDM/WRM should be made.
44 */
45 while (psIntfAdapter->psAdapter->DeviceAccess) {
46 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT,
47 DRV_ENTRY, DBG_LVL_ALL,
48 "Device is being accessed.\n");
49 msleep(100);
50 }
51 /* Free interrupt URB */
52 /* psIntfAdapter->psAdapter->device_removed = TRUE; */
53 usb_free_urb(psIntfAdapter->psInterruptUrb);
54
55 /* Free transmit URBs */
56 for (i = 0; i < MAXIMUM_USB_TCB; i++) {
57 if (psIntfAdapter->asUsbTcb[i].urb != NULL) {
58 usb_free_urb(psIntfAdapter->asUsbTcb[i].urb);
59 psIntfAdapter->asUsbTcb[i].urb = NULL;
60 }
61 }
62 /* Free receive URB and buffers */
63 for (i = 0; i < MAXIMUM_USB_RCB; i++) {
64 if (psIntfAdapter->asUsbRcb[i].urb != NULL) {
65 kfree(psIntfAdapter->asUsbRcb[i].urb->transfer_buffer);
66 usb_free_urb(psIntfAdapter->asUsbRcb[i].urb);
67 psIntfAdapter->asUsbRcb[i].urb = NULL;
68 }
69 }
70 AdapterFree(psIntfAdapter->psAdapter);
71}
72
73static void ConfigureEndPointTypesThroughEEPROM(struct bcm_mini_adapter *Adapter)
74{
75 u32 ulReg;
76 int bytes;
77 struct bcm_interface_adapter *interfaceAdapter;
78
79 /* Program EP2 MAX_PKT_SIZE */
80 ulReg = ntohl(EP2_MPS_REG);
81 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x128, 4, TRUE);
82 ulReg = ntohl(EP2_MPS);
83 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x12C, 4, TRUE);
84
85 ulReg = ntohl(EP2_CFG_REG);
86 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x132, 4, TRUE);
87 interfaceAdapter =
88 (struct bcm_interface_adapter *)(Adapter->pvInterfaceAdapter);
89 if (interfaceAdapter->bHighSpeedDevice) {
90 ulReg = ntohl(EP2_CFG_INT);
91 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x136, 4, TRUE);
92 } else {
93 /* USE BULK EP as TX in FS mode. */
94 ulReg = ntohl(EP2_CFG_BULK);
95 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x136, 4, TRUE);
96 }
97
98 /* Program EP4 MAX_PKT_SIZE. */
99 ulReg = ntohl(EP4_MPS_REG);
100 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x13C, 4, TRUE);
101 ulReg = ntohl(EP4_MPS);
102 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x140, 4, TRUE);
103
104 /* Program TX EP as interrupt(Alternate Setting) */
105 bytes = rdmalt(Adapter, 0x0F0110F8, &ulReg, sizeof(u32));
106 if (bytes < 0) {
107 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, DRV_ENTRY,
108 DBG_LVL_ALL, "reading of Tx EP failed\n");
109 return;
110 }
111 ulReg |= 0x6;
112
113 ulReg = ntohl(ulReg);
114 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1CC, 4, TRUE);
115
116 ulReg = ntohl(EP4_CFG_REG);
117 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1C8, 4, TRUE);
118 /* Program ISOCHRONOUS EP size to zero. */
119 ulReg = ntohl(ISO_MPS_REG);
120 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1D2, 4, TRUE);
121 ulReg = ntohl(ISO_MPS);
122 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1D6, 4, TRUE);
123
124 /*
125 * Update EEPROM Version.
126 * Read 4 bytes from 508 and modify 511 and 510.
127 */
128 ReadBeceemEEPROM(Adapter, 0x1FC, &ulReg);
129 ulReg &= 0x0101FFFF;
130 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1FC, 4, TRUE);
131
132 /* Update length field if required. Also make the string NULL terminated. */
133
134 ReadBeceemEEPROM(Adapter, 0xA8, &ulReg);
135 if ((ulReg&0x00FF0000)>>16 > 0x30) {
136 ulReg = (ulReg&0xFF00FFFF)|(0x30<<16);
137 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0xA8, 4, TRUE);
138 }
139 ReadBeceemEEPROM(Adapter, 0x148, &ulReg);
140 if ((ulReg&0x00FF0000)>>16 > 0x30) {
141 ulReg = (ulReg&0xFF00FFFF)|(0x30<<16);
142 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x148, 4, TRUE);
143 }
144 ulReg = 0;
145 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x122, 4, TRUE);
146 ulReg = 0;
147 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1C2, 4, TRUE);
148}
149
150static int usbbcm_device_probe(struct usb_interface *intf, const struct usb_device_id *id)
151{
152 struct usb_device *udev = interface_to_usbdev(intf);
153 int retval;
154 struct bcm_mini_adapter *psAdapter;
155 struct bcm_interface_adapter *psIntfAdapter;
156 struct net_device *ndev;
157
158 /* Reserve one extra queue for the bit-bucket */
159 ndev = alloc_etherdev_mq(sizeof(struct bcm_mini_adapter),
160 NO_OF_QUEUES + 1);
161 if (ndev == NULL) {
162 dev_err(&udev->dev, DRV_NAME ": no memory for device\n");
163 return -ENOMEM;
164 }
165
166 SET_NETDEV_DEV(ndev, &intf->dev);
167
168 psAdapter = netdev_priv(ndev);
169 psAdapter->dev = ndev;
170 psAdapter->msg_enable = netif_msg_init(debug, default_msg);
171
172 /* Init default driver debug state */
173
174 psAdapter->stDebugState.debug_level = DBG_LVL_CURR;
175 psAdapter->stDebugState.type = DBG_TYPE_INITEXIT;
176
177 /*
178 * Technically, one can start using BCM_DEBUG_PRINT after this point.
179 * However, realize that by default the Type/Subtype bitmaps are all
180 * zero now; so no prints will actually appear until the TestApp turns
181 * on debug paths via the ioctl(); so practically speaking, in early
182 * init, no logging happens.
183 *
184 * A solution (used below): we explicitly set the bitmaps to 1 for
185 * Type=DBG_TYPE_INITEXIT and ALL subtype's of the same. Now all bcm
186 * debug statements get logged, enabling debug during early init.
187 * Further, we turn this OFF once init_module() completes.
188 */
189
190 psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0xff;
191 BCM_SHOW_DEBUG_BITMAP(psAdapter);
192
193 retval = InitAdapter(psAdapter);
194 if (retval) {
195 dev_err(&udev->dev, DRV_NAME ": InitAdapter Failed\n");
196 AdapterFree(psAdapter);
197 return retval;
198 }
199
200 /* Allocate interface adapter structure */
201 psIntfAdapter = kzalloc(sizeof(struct bcm_interface_adapter),
202 GFP_KERNEL);
203 if (psIntfAdapter == NULL) {
204 AdapterFree(psAdapter);
205 return -ENOMEM;
206 }
207
208 psAdapter->pvInterfaceAdapter = psIntfAdapter;
209 psIntfAdapter->psAdapter = psAdapter;
210
211 /* Store usb interface in Interface Adapter */
212 psIntfAdapter->interface = intf;
213 usb_set_intfdata(intf, psIntfAdapter);
214
215 BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
216 "psIntfAdapter 0x%p\n", psIntfAdapter);
217 retval = InterfaceAdapterInit(psIntfAdapter);
218 if (retval) {
219 /* If the Firmware/Cfg File is not present
220 * then return success, let the application
221 * download the files.
222 */
223 if (-ENOENT == retval) {
224 BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY,
225 DBG_LVL_ALL,
226 "File Not Found. Use app to download.\n");
227 return STATUS_SUCCESS;
228 }
229 BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY,
230 DBG_LVL_ALL, "InterfaceAdapterInit failed.\n");
231 usb_set_intfdata(intf, NULL);
232 udev = interface_to_usbdev(intf);
233 usb_put_dev(udev);
234 InterfaceAdapterFree(psIntfAdapter);
235 return retval;
236 }
237 if (psAdapter->chip_id > T3) {
238 uint32_t uiNackZeroLengthInt = 4;
239
240 retval =
241 wrmalt(psAdapter, DISABLE_USB_ZERO_LEN_INT,
242 &uiNackZeroLengthInt,
243 sizeof(uiNackZeroLengthInt));
244 if (retval)
245 return retval;
246 }
247
248 /* Check whether the USB-Device Supports remote Wake-Up */
249 if (USB_CONFIG_ATT_WAKEUP & udev->actconfig->desc.bmAttributes) {
250 /* If Suspend then only support dynamic suspend */
251 if (psAdapter->bDoSuspend) {
252#ifdef CONFIG_PM
253 pm_runtime_set_autosuspend_delay(&udev->dev, 0);
254 intf->needs_remote_wakeup = 1;
255 usb_enable_autosuspend(udev);
256 device_init_wakeup(&intf->dev, 1);
257 INIT_WORK(&psIntfAdapter->usbSuspendWork,
258 putUsbSuspend);
259 BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY,
260 DBG_LVL_ALL,
261 "Enabling USB Auto-Suspend\n");
262#endif
263 } else {
264 intf->needs_remote_wakeup = 0;
265 usb_disable_autosuspend(udev);
266 }
267 }
268
269 psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0x0;
270 return retval;
271}
272
273static void usbbcm_disconnect(struct usb_interface *intf)
274{
275 struct bcm_interface_adapter *psIntfAdapter = usb_get_intfdata(intf);
276 struct bcm_mini_adapter *psAdapter;
277 struct usb_device *udev = interface_to_usbdev(intf);
278
279 if (psIntfAdapter == NULL)
280 return;
281
282 psAdapter = psIntfAdapter->psAdapter;
283 netif_device_detach(psAdapter->dev);
284
285 if (psAdapter->bDoSuspend)
286 intf->needs_remote_wakeup = 0;
287
288 psAdapter->device_removed = TRUE;
289 usb_set_intfdata(intf, NULL);
290 InterfaceAdapterFree(psIntfAdapter);
291 usb_put_dev(udev);
292}
293
294static int AllocUsbCb(struct bcm_interface_adapter *psIntfAdapter)
295{
296 int i = 0;
297
298 for (i = 0; i < MAXIMUM_USB_TCB; i++) {
299 psIntfAdapter->asUsbTcb[i].urb = usb_alloc_urb(0, GFP_KERNEL);
300
301 if (psIntfAdapter->asUsbTcb[i].urb == NULL) {
302 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
303 DBG_TYPE_PRINTK, 0, 0,
304 "Can't allocate Tx urb for index %d\n",
305 i);
306 return -ENOMEM;
307 }
308 }
309
310 for (i = 0; i < MAXIMUM_USB_RCB; i++) {
311 psIntfAdapter->asUsbRcb[i].urb = usb_alloc_urb(0, GFP_KERNEL);
312
313 if (psIntfAdapter->asUsbRcb[i].urb == NULL) {
314 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
315 DBG_TYPE_PRINTK, 0, 0,
316 "Can't allocate Rx urb for index %d\n",
317 i);
318 return -ENOMEM;
319 }
320
321 psIntfAdapter->asUsbRcb[i].urb->transfer_buffer =
322 kmalloc(MAX_DATA_BUFFER_SIZE, GFP_KERNEL);
323
324 if (psIntfAdapter->asUsbRcb[i].urb->transfer_buffer == NULL) {
325 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
326 DBG_TYPE_PRINTK, 0, 0,
327 "Can't allocate Rx buffer for index %d\n",
328 i);
329 return -ENOMEM;
330 }
331 psIntfAdapter->asUsbRcb[i].urb->transfer_buffer_length =
332 MAX_DATA_BUFFER_SIZE;
333 }
334 return 0;
335}
336
337static int device_run(struct bcm_interface_adapter *psIntfAdapter)
338{
339 int value = 0;
340 UINT status = STATUS_SUCCESS;
341
342 status = InitCardAndDownloadFirmware(psIntfAdapter->psAdapter);
343 if (status != STATUS_SUCCESS) {
344 pr_err(DRV_NAME "InitCardAndDownloadFirmware failed.\n");
345 return status;
346 }
347 if (psIntfAdapter->psAdapter->fw_download_done) {
348 if (StartInterruptUrb(psIntfAdapter)) {
349 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
350 DBG_TYPE_INITEXIT, DRV_ENTRY,
351 DBG_LVL_ALL,
352 "Cannot send interrupt in URB\n");
353 }
354
355 /*
356 * now register the cntrl interface. after downloading the f/w
357 * waiting for 5 sec to get the mailbox interrupt.
358 */
359 psIntfAdapter->psAdapter->waiting_to_fw_download_done = false;
360 value = wait_event_timeout(
361 psIntfAdapter->psAdapter->ioctl_fw_dnld_wait_queue,
362 psIntfAdapter->psAdapter->waiting_to_fw_download_done,
363 5 * HZ);
364
365 if (value == 0)
366 pr_err(DRV_NAME ": Timeout waiting for mailbox interrupt.\n");
367
368 if (register_control_device_interface(
369 psIntfAdapter->psAdapter) < 0) {
370 pr_err(DRV_NAME ": Register Control Device failed.\n");
371 return -EIO;
372 }
373 }
374 return 0;
375}
376
377static int InterfaceAdapterInit(struct bcm_interface_adapter *psIntfAdapter)
378{
379 struct usb_host_interface *iface_desc;
380 struct usb_endpoint_descriptor *endpoint;
381 size_t buffer_size;
382 unsigned long value;
383 int retval = 0;
384 int usedIntOutForBulkTransfer = 0;
385 bool bBcm16 = false;
386 UINT uiData = 0;
387 int bytes;
388
389 /* Store the usb dev into interface adapter */
390 psIntfAdapter->udev =
391 usb_get_dev(interface_to_usbdev(psIntfAdapter->interface));
392
393 psIntfAdapter->bHighSpeedDevice =
394 (psIntfAdapter->udev->speed == USB_SPEED_HIGH);
395 psIntfAdapter->psAdapter->interface_rdm = BcmRDM;
396 psIntfAdapter->psAdapter->interface_wrm = BcmWRM;
397
398 bytes = rdmalt(psIntfAdapter->psAdapter, CHIP_ID_REG,
399 (u32 *) &(psIntfAdapter->psAdapter->chip_id),
400 sizeof(u32));
401 if (bytes < 0) {
402 retval = bytes;
403 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0,
404 "CHIP ID Read Failed\n");
405 return retval;
406 }
407
408 if (0xbece3200 == (psIntfAdapter->psAdapter->chip_id & ~(0xF0)))
409 psIntfAdapter->psAdapter->chip_id &= ~0xF0;
410
411 dev_info(&psIntfAdapter->udev->dev, "RDM Chip ID 0x%lx\n",
412 psIntfAdapter->psAdapter->chip_id);
413
414 iface_desc = psIntfAdapter->interface->cur_altsetting;
415
416 if (psIntfAdapter->psAdapter->chip_id == T3B) {
417 /* T3B device will have EEPROM, check if EEPROM is proper and
418 * BCM16 can be done or not. */
419 BeceemEEPROMBulkRead(psIntfAdapter->psAdapter, &uiData, 0x0, 4);
420 if (uiData == BECM)
421 bBcm16 = TRUE;
422
423 dev_info(&psIntfAdapter->udev->dev,
424 "number of alternate setting %d\n",
425 psIntfAdapter->interface->num_altsetting);
426
427 if (bBcm16 == TRUE) {
428 /* selecting alternate setting one as a default setting
429 * for High Speed modem. */
430 if (psIntfAdapter->bHighSpeedDevice)
431 retval = usb_set_interface(psIntfAdapter->udev,
432 DEFAULT_SETTING_0,
433 ALTERNATE_SETTING_1);
434 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
435 DBG_TYPE_INITEXIT, DRV_ENTRY,
436 DBG_LVL_ALL,
437 "BCM16 is applicable on this dongle\n");
438 if (retval || !psIntfAdapter->bHighSpeedDevice) {
439 usedIntOutForBulkTransfer = EP2;
440 endpoint = &iface_desc->endpoint[EP2].desc;
441 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
442 DBG_TYPE_INITEXIT, DRV_ENTRY,
443 DBG_LVL_ALL,
444 "Interface altsetting failed or modem is configured to Full Speed, hence will work on default setting 0\n");
445 /*
446 * If Modem is high speed device EP2 should be
447 * INT OUT End point
448 *
449 * If Mode is FS then EP2 should be bulk end
450 * point
451 */
452 if ((psIntfAdapter->bHighSpeedDevice &&
453 !usb_endpoint_is_int_out(endpoint)) ||
454 (!psIntfAdapter->bHighSpeedDevice &&
455 !usb_endpoint_is_bulk_out(endpoint))) {
456 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
457 DBG_TYPE_INITEXIT,
458 DRV_ENTRY, DBG_LVL_ALL,
459 "Configuring the EEPROM\n");
460 /* change the EP2, EP4 to INT OUT end point */
461 ConfigureEndPointTypesThroughEEPROM(
462 psIntfAdapter->psAdapter);
463
464 /*
465 * It resets the device and if any thing
466 * gets changed in USB descriptor it
467 * will show fail and re-enumerate the
468 * device
469 */
470 retval = usb_reset_device(
471 psIntfAdapter->udev);
472 if (retval) {
473 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
474 DBG_TYPE_INITEXIT,
475 DRV_ENTRY,
476 DBG_LVL_ALL,
477 "reset failed. Re-enumerating the device.\n");
478 return retval;
479 }
480
481 }
482 if (!psIntfAdapter->bHighSpeedDevice &&
483 usb_endpoint_is_bulk_out(endpoint)) {
484 /* Once BULK is selected in FS mode. Revert it back to INT. Else USB_IF will fail. */
485 UINT _uiData = ntohl(EP2_CFG_INT);
486 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
487 DBG_TYPE_INITEXIT,
488 DRV_ENTRY, DBG_LVL_ALL,
489 "Reverting Bulk to INT as it is in Full Speed mode.\n");
490 BeceemEEPROMBulkWrite(
491 psIntfAdapter->psAdapter,
492 (PUCHAR) & _uiData,
493 0x136, 4, TRUE);
494 }
495 } else {
496 usedIntOutForBulkTransfer = EP4;
497 endpoint = &iface_desc->endpoint[EP4].desc;
498 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
499 DBG_TYPE_INITEXIT, DRV_ENTRY,
500 DBG_LVL_ALL,
501 "Choosing AltSetting as a default setting.\n");
502 if (!usb_endpoint_is_int_out(endpoint)) {
503 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
504 DBG_TYPE_INITEXIT,
505 DRV_ENTRY, DBG_LVL_ALL,
506 "Dongle does not have BCM16 Fix.\n");
507 /* change the EP2, EP4 to INT OUT end point and use EP4 in altsetting */
508 ConfigureEndPointTypesThroughEEPROM(
509 psIntfAdapter->psAdapter);
510
511 /*
512 * It resets the device and if any thing
513 * gets changed in USB descriptor it
514 * will show fail and re-enumerate the
515 * device
516 */
517 retval = usb_reset_device(
518 psIntfAdapter->udev);
519 if (retval) {
520 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
521 DBG_TYPE_INITEXIT,
522 DRV_ENTRY,
523 DBG_LVL_ALL,
524 "reset failed. Re-enumerating the device.\n");
525 return retval;
526 }
527
528 }
529 }
530 }
531 }
532
533 iface_desc = psIntfAdapter->interface->cur_altsetting;
534
535 for (value = 0; value < iface_desc->desc.bNumEndpoints; ++value) {
536 endpoint = &iface_desc->endpoint[value].desc;
537
538 if (!psIntfAdapter->sBulkIn.bulk_in_endpointAddr &&
539 usb_endpoint_is_bulk_in(endpoint)) {
540 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
541 psIntfAdapter->sBulkIn.bulk_in_size = buffer_size;
542 psIntfAdapter->sBulkIn.bulk_in_endpointAddr =
543 endpoint->bEndpointAddress;
544 psIntfAdapter->sBulkIn.bulk_in_pipe = usb_rcvbulkpipe(
545 psIntfAdapter->udev,
546 psIntfAdapter->sBulkIn.bulk_in_endpointAddr);
547 }
548
549 if (!psIntfAdapter->sBulkOut.bulk_out_endpointAddr &&
550 usb_endpoint_is_bulk_out(endpoint)) {
551 psIntfAdapter->sBulkOut.bulk_out_endpointAddr =
552 endpoint->bEndpointAddress;
553 psIntfAdapter->sBulkOut.bulk_out_pipe = usb_sndbulkpipe(
554 psIntfAdapter->udev,
555 psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
556 }
557
558 if (!psIntfAdapter->sIntrIn.int_in_endpointAddr &&
559 usb_endpoint_is_int_in(endpoint)) {
560 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
561 psIntfAdapter->sIntrIn.int_in_size = buffer_size;
562 psIntfAdapter->sIntrIn.int_in_endpointAddr =
563 endpoint->bEndpointAddress;
564 psIntfAdapter->sIntrIn.int_in_interval =
565 endpoint->bInterval;
566 psIntfAdapter->sIntrIn.int_in_buffer =
567 kmalloc(buffer_size, GFP_KERNEL);
568 if (!psIntfAdapter->sIntrIn.int_in_buffer)
569 return -EINVAL;
570 }
571
572 if (!psIntfAdapter->sIntrOut.int_out_endpointAddr &&
573 usb_endpoint_is_int_out(endpoint)) {
574 if (!psIntfAdapter->sBulkOut.bulk_out_endpointAddr &&
575 (psIntfAdapter->psAdapter->chip_id == T3B) &&
576 (value == usedIntOutForBulkTransfer)) {
577 /* use first intout end point as a bulk out end point */
578 buffer_size =
579 le16_to_cpu(endpoint->wMaxPacketSize);
580 psIntfAdapter->sBulkOut.bulk_out_size =
581 buffer_size;
582 psIntfAdapter->sBulkOut.bulk_out_endpointAddr =
583 endpoint->bEndpointAddress;
584 psIntfAdapter->sBulkOut.bulk_out_pipe =
585 usb_sndintpipe(psIntfAdapter->udev,
586 psIntfAdapter->sBulkOut
587 .bulk_out_endpointAddr);
588 psIntfAdapter->sBulkOut.int_out_interval =
589 endpoint->bInterval;
590 } else if (value == EP6) {
591 buffer_size =
592 le16_to_cpu(endpoint->wMaxPacketSize);
593 psIntfAdapter->sIntrOut.int_out_size =
594 buffer_size;
595 psIntfAdapter->sIntrOut.int_out_endpointAddr =
596 endpoint->bEndpointAddress;
597 psIntfAdapter->sIntrOut.int_out_interval =
598 endpoint->bInterval;
599 psIntfAdapter->sIntrOut.int_out_buffer =
600 kmalloc(buffer_size, GFP_KERNEL);
601 if (!psIntfAdapter->sIntrOut.int_out_buffer)
602 return -EINVAL;
603 }
604 }
605 }
606
607 usb_set_intfdata(psIntfAdapter->interface, psIntfAdapter);
608
609 psIntfAdapter->psAdapter->bcm_file_download = InterfaceFileDownload;
610 psIntfAdapter->psAdapter->bcm_file_readback_from_chip =
611 InterfaceFileReadbackFromChip;
612 psIntfAdapter->psAdapter->interface_transmit = InterfaceTransmitPacket;
613
614 retval = CreateInterruptUrb(psIntfAdapter);
615
616 if (retval) {
617 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0,
618 "Cannot create interrupt urb\n");
619 return retval;
620 }
621
622 retval = AllocUsbCb(psIntfAdapter);
623 if (retval)
624 return retval;
625
626 return device_run(psIntfAdapter);
627}
628
629static int InterfaceSuspend(struct usb_interface *intf, pm_message_t message)
630{
631 struct bcm_interface_adapter *psIntfAdapter = usb_get_intfdata(intf);
632
633 psIntfAdapter->bSuspended = TRUE;
634
635 if (psIntfAdapter->bPreparingForBusSuspend) {
636 psIntfAdapter->bPreparingForBusSuspend = false;
637
638 if (psIntfAdapter->psAdapter->LinkStatus == LINKUP_DONE) {
639 psIntfAdapter->psAdapter->IdleMode = TRUE;
640 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
641 DBG_TYPE_INITEXIT, DRV_ENTRY,
642 DBG_LVL_ALL,
643 "Host Entered in PMU Idle Mode.\n");
644 } else {
645 psIntfAdapter->psAdapter->bShutStatus = TRUE;
646 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
647 DBG_TYPE_INITEXIT, DRV_ENTRY,
648 DBG_LVL_ALL,
649 "Host Entered in PMU Shutdown Mode.\n");
650 }
651 }
652 psIntfAdapter->psAdapter->bPreparingForLowPowerMode = false;
653
654 /* Signaling the control pkt path */
655 wake_up(&psIntfAdapter->psAdapter->lowpower_mode_wait_queue);
656
657 return 0;
658}
659
660static int InterfaceResume(struct usb_interface *intf)
661{
662 struct bcm_interface_adapter *psIntfAdapter = usb_get_intfdata(intf);
663
664 mdelay(100);
665 psIntfAdapter->bSuspended = false;
666
667 StartInterruptUrb(psIntfAdapter);
668 InterfaceRx(psIntfAdapter);
669 return 0;
670}
671
672static struct usb_driver usbbcm_driver = {
673 .name = "usbbcm",
674 .probe = usbbcm_device_probe,
675 .disconnect = usbbcm_disconnect,
676 .suspend = InterfaceSuspend,
677 .resume = InterfaceResume,
678 .id_table = InterfaceUsbtable,
679 .supports_autosuspend = 1,
680};
681
682struct class *bcm_class;
683
684static __init int bcm_init(void)
685{
686 int retval;
687
688 pr_info("%s: %s, %s\n", DRV_NAME, DRV_DESCRIPTION, DRV_VERSION);
689 pr_info("%s\n", DRV_COPYRIGHT);
690
691 bcm_class = class_create(THIS_MODULE, DRV_NAME);
692 if (IS_ERR(bcm_class)) {
693 pr_err(DRV_NAME ": could not create class\n");
694 return PTR_ERR(bcm_class);
695 }
696
697 retval = usb_register(&usbbcm_driver);
698 if (retval < 0) {
699 pr_err(DRV_NAME ": could not register usb driver\n");
700 class_destroy(bcm_class);
701 return retval;
702 }
703 return 0;
704}
705
706static __exit void bcm_exit(void)
707{
708 usb_deregister(&usbbcm_driver);
709 class_destroy(bcm_class);
710}
711
712module_init(bcm_init);
713module_exit(bcm_exit);
714
715MODULE_DESCRIPTION(DRV_DESCRIPTION);
716MODULE_VERSION(DRV_VERSION);
717MODULE_LICENSE("GPL");
1#include "headers.h"
2
3static struct usb_device_id InterfaceUsbtable[] = {
4 { USB_DEVICE(BCM_USB_VENDOR_ID_T3, BCM_USB_PRODUCT_ID_T3) },
5 { USB_DEVICE(BCM_USB_VENDOR_ID_T3, BCM_USB_PRODUCT_ID_T3B) },
6 { USB_DEVICE(BCM_USB_VENDOR_ID_T3, BCM_USB_PRODUCT_ID_T3L) },
7 { USB_DEVICE(BCM_USB_VENDOR_ID_T3, BCM_USB_PRODUCT_ID_SM250) },
8 { USB_DEVICE(BCM_USB_VENDOR_ID_ZTE, BCM_USB_PRODUCT_ID_226) },
9 { USB_DEVICE(BCM_USB_VENDOR_ID_FOXCONN, BCM_USB_PRODUCT_ID_1901) },
10 { USB_DEVICE(BCM_USB_VENDOR_ID_ZTE, BCM_USB_PRODUCT_ID_ZTE_TU25) },
11 { }
12};
13MODULE_DEVICE_TABLE(usb, InterfaceUsbtable);
14
15static int debug = -1;
16module_param(debug, uint, 0600);
17MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
18
19static const u32 default_msg =
20 NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK
21 | NETIF_MSG_TIMER | NETIF_MSG_TX_ERR | NETIF_MSG_RX_ERR
22 | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN;
23
24static int InterfaceAdapterInit(PS_INTERFACE_ADAPTER Adapter);
25
26static void InterfaceAdapterFree(PS_INTERFACE_ADAPTER psIntfAdapter)
27{
28 int i = 0;
29
30 /* Wake up the wait_queue... */
31 if (psIntfAdapter->psAdapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY) {
32 psIntfAdapter->psAdapter->DriverState = DRIVER_HALT;
33 wake_up(&psIntfAdapter->psAdapter->LEDInfo.notify_led_event);
34 }
35 reset_card_proc(psIntfAdapter->psAdapter);
36
37 /*
38 * worst case time taken by the RDM/WRM will be 5 sec. will check after every 100 ms
39 * to accertain the device is not being accessed. After this No RDM/WRM should be made.
40 */
41 while (psIntfAdapter->psAdapter->DeviceAccess) {
42 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
43 "Device is being accessed.\n");
44 msleep(100);
45 }
46 /* Free interrupt URB */
47 /* psIntfAdapter->psAdapter->device_removed = TRUE; */
48 usb_free_urb(psIntfAdapter->psInterruptUrb);
49
50 /* Free transmit URBs */
51 for (i = 0; i < MAXIMUM_USB_TCB; i++) {
52 if (psIntfAdapter->asUsbTcb[i].urb != NULL) {
53 usb_free_urb(psIntfAdapter->asUsbTcb[i].urb);
54 psIntfAdapter->asUsbTcb[i].urb = NULL;
55 }
56 }
57 /* Free receive URB and buffers */
58 for (i = 0; i < MAXIMUM_USB_RCB; i++) {
59 if (psIntfAdapter->asUsbRcb[i].urb != NULL) {
60 kfree(psIntfAdapter->asUsbRcb[i].urb->transfer_buffer);
61 usb_free_urb(psIntfAdapter->asUsbRcb[i].urb);
62 psIntfAdapter->asUsbRcb[i].urb = NULL;
63 }
64 }
65 AdapterFree(psIntfAdapter->psAdapter);
66}
67
68static void ConfigureEndPointTypesThroughEEPROM(PMINI_ADAPTER Adapter)
69{
70 unsigned long ulReg = 0;
71 int bytes;
72
73 /* Program EP2 MAX_PKT_SIZE */
74 ulReg = ntohl(EP2_MPS_REG);
75 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x128, 4, TRUE);
76 ulReg = ntohl(EP2_MPS);
77 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x12C, 4, TRUE);
78
79 ulReg = ntohl(EP2_CFG_REG);
80 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x132, 4, TRUE);
81 if (((PS_INTERFACE_ADAPTER)(Adapter->pvInterfaceAdapter))->bHighSpeedDevice == TRUE) {
82 ulReg = ntohl(EP2_CFG_INT);
83 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x136, 4, TRUE);
84 } else {
85 /* USE BULK EP as TX in FS mode. */
86 ulReg = ntohl(EP2_CFG_BULK);
87 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x136, 4, TRUE);
88 }
89
90 /* Program EP4 MAX_PKT_SIZE. */
91 ulReg = ntohl(EP4_MPS_REG);
92 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x13C, 4, TRUE);
93 ulReg = ntohl(EP4_MPS);
94 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x140, 4, TRUE);
95
96 /* Program TX EP as interrupt(Alternate Setting) */
97 bytes = rdmalt(Adapter, 0x0F0110F8, (u32 *)&ulReg, sizeof(u32));
98 if (bytes < 0) {
99 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
100 "reading of Tx EP failed\n");
101 return;
102 }
103 ulReg |= 0x6;
104
105 ulReg = ntohl(ulReg);
106 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1CC, 4, TRUE);
107
108 ulReg = ntohl(EP4_CFG_REG);
109 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1C8, 4, TRUE);
110 /* Program ISOCHRONOUS EP size to zero. */
111 ulReg = ntohl(ISO_MPS_REG);
112 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1D2, 4, TRUE);
113 ulReg = ntohl(ISO_MPS);
114 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1D6, 4, TRUE);
115
116 /*
117 * Update EEPROM Version.
118 * Read 4 bytes from 508 and modify 511 and 510.
119 */
120 ReadBeceemEEPROM(Adapter, 0x1FC, (PUINT)&ulReg);
121 ulReg &= 0x0101FFFF;
122 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1FC, 4, TRUE);
123
124 /* Update length field if required. Also make the string NULL terminated. */
125
126 ReadBeceemEEPROM(Adapter, 0xA8, (PUINT)&ulReg);
127 if ((ulReg&0x00FF0000)>>16 > 0x30) {
128 ulReg = (ulReg&0xFF00FFFF)|(0x30<<16);
129 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0xA8, 4, TRUE);
130 }
131 ReadBeceemEEPROM(Adapter, 0x148, (PUINT)&ulReg);
132 if ((ulReg&0x00FF0000)>>16 > 0x30) {
133 ulReg = (ulReg&0xFF00FFFF)|(0x30<<16);
134 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x148, 4, TRUE);
135 }
136 ulReg = 0;
137 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x122, 4, TRUE);
138 ulReg = 0;
139 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1C2, 4, TRUE);
140}
141
142static int usbbcm_device_probe(struct usb_interface *intf, const struct usb_device_id *id)
143{
144 struct usb_device *udev = interface_to_usbdev(intf);
145 int retval;
146 PMINI_ADAPTER psAdapter;
147 PS_INTERFACE_ADAPTER psIntfAdapter;
148 struct net_device *ndev;
149
150 /* Reserve one extra queue for the bit-bucket */
151 ndev = alloc_etherdev_mq(sizeof(MINI_ADAPTER), NO_OF_QUEUES+1);
152 if (ndev == NULL) {
153 dev_err(&udev->dev, DRV_NAME ": no memory for device\n");
154 return -ENOMEM;
155 }
156
157 SET_NETDEV_DEV(ndev, &intf->dev);
158
159 psAdapter = netdev_priv(ndev);
160 psAdapter->dev = ndev;
161 psAdapter->msg_enable = netif_msg_init(debug, default_msg);
162
163 /* Init default driver debug state */
164
165 psAdapter->stDebugState.debug_level = DBG_LVL_CURR;
166 psAdapter->stDebugState.type = DBG_TYPE_INITEXIT;
167
168 /*
169 * Technically, one can start using BCM_DEBUG_PRINT after this point.
170 * However, realize that by default the Type/Subtype bitmaps are all zero now;
171 * so no prints will actually appear until the TestApp turns on debug paths via
172 * the ioctl(); so practically speaking, in early init, no logging happens.
173 *
174 * A solution (used below): we explicitly set the bitmaps to 1 for Type=DBG_TYPE_INITEXIT
175 * and ALL subtype's of the same. Now all bcm debug statements get logged, enabling debug
176 * during early init.
177 * Further, we turn this OFF once init_module() completes.
178 */
179
180 psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0xff;
181 BCM_SHOW_DEBUG_BITMAP(psAdapter);
182
183 retval = InitAdapter(psAdapter);
184 if (retval) {
185 dev_err(&udev->dev, DRV_NAME ": InitAdapter Failed\n");
186 AdapterFree(psAdapter);
187 return retval;
188 }
189
190 /* Allocate interface adapter structure */
191 psIntfAdapter = kzalloc(sizeof(S_INTERFACE_ADAPTER), GFP_KERNEL);
192 if (psIntfAdapter == NULL) {
193 dev_err(&udev->dev, DRV_NAME ": no memory for Interface adapter\n");
194 AdapterFree(psAdapter);
195 return -ENOMEM;
196 }
197
198 psAdapter->pvInterfaceAdapter = psIntfAdapter;
199 psIntfAdapter->psAdapter = psAdapter;
200
201 /* Store usb interface in Interface Adapter */
202 psIntfAdapter->interface = intf;
203 usb_set_intfdata(intf, psIntfAdapter);
204
205 BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
206 "psIntfAdapter 0x%p\n", psIntfAdapter);
207 retval = InterfaceAdapterInit(psIntfAdapter);
208 if (retval) {
209 /* If the Firmware/Cfg File is not present
210 * then return success, let the application
211 * download the files.
212 */
213 if (-ENOENT == retval) {
214 BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
215 "File Not Found. Use app to download.\n");
216 return STATUS_SUCCESS;
217 }
218 BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
219 "InterfaceAdapterInit failed.\n");
220 usb_set_intfdata(intf, NULL);
221 udev = interface_to_usbdev(intf);
222 usb_put_dev(udev);
223 InterfaceAdapterFree(psIntfAdapter);
224 return retval;
225 }
226 if (psAdapter->chip_id > T3) {
227 uint32_t uiNackZeroLengthInt = 4;
228
229 retval = wrmalt(psAdapter, DISABLE_USB_ZERO_LEN_INT, &uiNackZeroLengthInt, sizeof(uiNackZeroLengthInt));
230 if (retval)
231 return retval;
232 }
233
234 /* Check whether the USB-Device Supports remote Wake-Up */
235 if (USB_CONFIG_ATT_WAKEUP & udev->actconfig->desc.bmAttributes) {
236 /* If Suspend then only support dynamic suspend */
237 if (psAdapter->bDoSuspend) {
238#ifdef CONFIG_PM
239 pm_runtime_set_autosuspend_delay(&udev->dev, 0);
240 intf->needs_remote_wakeup = 1;
241 usb_enable_autosuspend(udev);
242 device_init_wakeup(&intf->dev, 1);
243 INIT_WORK(&psIntfAdapter->usbSuspendWork, putUsbSuspend);
244 BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
245 "Enabling USB Auto-Suspend\n");
246#endif
247 } else {
248 intf->needs_remote_wakeup = 0;
249 usb_disable_autosuspend(udev);
250 }
251 }
252
253 psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0x0;
254 return retval;
255}
256
257static void usbbcm_disconnect(struct usb_interface *intf)
258{
259 PS_INTERFACE_ADAPTER psIntfAdapter = usb_get_intfdata(intf);
260 PMINI_ADAPTER psAdapter;
261 struct usb_device *udev = interface_to_usbdev(intf);
262
263 if (psIntfAdapter == NULL)
264 return;
265
266 psAdapter = psIntfAdapter->psAdapter;
267 netif_device_detach(psAdapter->dev);
268
269 if (psAdapter->bDoSuspend)
270 intf->needs_remote_wakeup = 0;
271
272 psAdapter->device_removed = TRUE ;
273 usb_set_intfdata(intf, NULL);
274 InterfaceAdapterFree(psIntfAdapter);
275 usb_put_dev(udev);
276}
277
278static int AllocUsbCb(PS_INTERFACE_ADAPTER psIntfAdapter)
279{
280 int i = 0;
281
282 for (i = 0; i < MAXIMUM_USB_TCB; i++) {
283 psIntfAdapter->asUsbTcb[i].urb = usb_alloc_urb(0, GFP_KERNEL);
284
285 if (psIntfAdapter->asUsbTcb[i].urb == NULL) {
286 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0,
287 "Can't allocate Tx urb for index %d\n", i);
288 return -ENOMEM;
289 }
290 }
291
292 for (i = 0; i < MAXIMUM_USB_RCB; i++) {
293 psIntfAdapter->asUsbRcb[i].urb = usb_alloc_urb(0, GFP_KERNEL);
294
295 if (psIntfAdapter->asUsbRcb[i].urb == NULL) {
296 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0,
297 "Can't allocate Rx urb for index %d\n", i);
298 return -ENOMEM;
299 }
300
301 psIntfAdapter->asUsbRcb[i].urb->transfer_buffer = kmalloc(MAX_DATA_BUFFER_SIZE, GFP_KERNEL);
302
303 if (psIntfAdapter->asUsbRcb[i].urb->transfer_buffer == NULL) {
304 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0,
305 "Can't allocate Rx buffer for index %d\n", i);
306 return -ENOMEM;
307 }
308 psIntfAdapter->asUsbRcb[i].urb->transfer_buffer_length = MAX_DATA_BUFFER_SIZE;
309 }
310 return 0;
311}
312
313static int device_run(PS_INTERFACE_ADAPTER psIntfAdapter)
314{
315 int value = 0;
316 UINT status = STATUS_SUCCESS;
317
318 status = InitCardAndDownloadFirmware(psIntfAdapter->psAdapter);
319 if (status != STATUS_SUCCESS) {
320 pr_err(DRV_NAME "InitCardAndDownloadFirmware failed.\n");
321 return status;
322 }
323 if (TRUE == psIntfAdapter->psAdapter->fw_download_done) {
324 if (StartInterruptUrb(psIntfAdapter)) {
325 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
326 "Cannot send interrupt in URB\n");
327 }
328
329 /*
330 * now register the cntrl interface.
331 * after downloading the f/w waiting for 5 sec to get the mailbox interrupt.
332 */
333 psIntfAdapter->psAdapter->waiting_to_fw_download_done = FALSE;
334 value = wait_event_timeout(psIntfAdapter->psAdapter->ioctl_fw_dnld_wait_queue,
335 psIntfAdapter->psAdapter->waiting_to_fw_download_done, 5*HZ);
336
337 if (value == 0)
338 pr_err(DRV_NAME ": Timeout waiting for mailbox interrupt.\n");
339
340 if (register_control_device_interface(psIntfAdapter->psAdapter) < 0) {
341 pr_err(DRV_NAME ": Register Control Device failed.\n");
342 return -EIO;
343 }
344 }
345 return 0;
346}
347
348
349static inline int bcm_usb_endpoint_num(const struct usb_endpoint_descriptor *epd)
350{
351 return epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
352}
353
354static inline int bcm_usb_endpoint_type(const struct usb_endpoint_descriptor *epd)
355{
356 return epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
357}
358
359static inline int bcm_usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd)
360{
361 return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN);
362}
363
364static inline int bcm_usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd)
365{
366 return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT);
367}
368
369static inline int bcm_usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd)
370{
371 return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
372 USB_ENDPOINT_XFER_BULK);
373}
374
375static inline int bcm_usb_endpoint_xfer_control(const struct usb_endpoint_descriptor *epd)
376{
377 return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
378 USB_ENDPOINT_XFER_CONTROL);
379}
380
381static inline int bcm_usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd)
382{
383 return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
384 USB_ENDPOINT_XFER_INT);
385}
386
387static inline int bcm_usb_endpoint_xfer_isoc(const struct usb_endpoint_descriptor *epd)
388{
389 return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
390 USB_ENDPOINT_XFER_ISOC);
391}
392
393static inline int bcm_usb_endpoint_is_bulk_in(const struct usb_endpoint_descriptor *epd)
394{
395 return bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_in(epd);
396}
397
398static inline int bcm_usb_endpoint_is_bulk_out(const struct usb_endpoint_descriptor *epd)
399{
400 return bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_out(epd);
401}
402
403static inline int bcm_usb_endpoint_is_int_in(const struct usb_endpoint_descriptor *epd)
404{
405 return bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_in(epd);
406}
407
408static inline int bcm_usb_endpoint_is_int_out(const struct usb_endpoint_descriptor *epd)
409{
410 return bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_out(epd);
411}
412
413static inline int bcm_usb_endpoint_is_isoc_in(const struct usb_endpoint_descriptor *epd)
414{
415 return bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_in(epd);
416}
417
418static inline int bcm_usb_endpoint_is_isoc_out(const struct usb_endpoint_descriptor *epd)
419{
420 return bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_out(epd);
421}
422
423static int InterfaceAdapterInit(PS_INTERFACE_ADAPTER psIntfAdapter)
424{
425 struct usb_host_interface *iface_desc;
426 struct usb_endpoint_descriptor *endpoint;
427 size_t buffer_size;
428 unsigned long value;
429 int retval = 0;
430 int usedIntOutForBulkTransfer = 0 ;
431 BOOLEAN bBcm16 = FALSE;
432 UINT uiData = 0;
433 int bytes;
434
435 /* Store the usb dev into interface adapter */
436 psIntfAdapter->udev = usb_get_dev(interface_to_usbdev(psIntfAdapter->interface));
437
438 psIntfAdapter->bHighSpeedDevice = (psIntfAdapter->udev->speed == USB_SPEED_HIGH);
439 psIntfAdapter->psAdapter->interface_rdm = BcmRDM;
440 psIntfAdapter->psAdapter->interface_wrm = BcmWRM;
441
442 bytes = rdmalt(psIntfAdapter->psAdapter, CHIP_ID_REG,
443 (u32 *)&(psIntfAdapter->psAdapter->chip_id), sizeof(u32));
444 if (bytes < 0) {
445 retval = bytes;
446 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, "CHIP ID Read Failed\n");
447 return retval;
448 }
449
450 if (0xbece3200 == (psIntfAdapter->psAdapter->chip_id & ~(0xF0)))
451 psIntfAdapter->psAdapter->chip_id &= ~0xF0;
452
453 dev_info(&psIntfAdapter->udev->dev, "RDM Chip ID 0x%lx\n",
454 psIntfAdapter->psAdapter->chip_id);
455
456 iface_desc = psIntfAdapter->interface->cur_altsetting;
457
458 if (psIntfAdapter->psAdapter->chip_id == T3B) {
459 /* T3B device will have EEPROM, check if EEPROM is proper and BCM16 can be done or not. */
460 BeceemEEPROMBulkRead(psIntfAdapter->psAdapter, &uiData, 0x0, 4);
461 if (uiData == BECM)
462 bBcm16 = TRUE;
463
464 dev_info(&psIntfAdapter->udev->dev, "number of alternate setting %d\n",
465 psIntfAdapter->interface->num_altsetting);
466
467 if (bBcm16 == TRUE) {
468 /* selecting alternate setting one as a default setting for High Speed modem. */
469 if (psIntfAdapter->bHighSpeedDevice)
470 retval = usb_set_interface(psIntfAdapter->udev, DEFAULT_SETTING_0, ALTERNATE_SETTING_1);
471 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
472 "BCM16 is applicable on this dongle\n");
473 if (retval || (psIntfAdapter->bHighSpeedDevice == FALSE)) {
474 usedIntOutForBulkTransfer = EP2 ;
475 endpoint = &iface_desc->endpoint[EP2].desc;
476 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
477 "Interface altsetting failed or modem is configured to Full Speed, hence will work on default setting 0\n");
478 /*
479 * If Modem is high speed device EP2 should be INT OUT End point
480 * If Mode is FS then EP2 should be bulk end point
481 */
482 if (((psIntfAdapter->bHighSpeedDevice == TRUE) && (bcm_usb_endpoint_is_int_out(endpoint) == FALSE))
483 || ((psIntfAdapter->bHighSpeedDevice == FALSE) && (bcm_usb_endpoint_is_bulk_out(endpoint) == FALSE))) {
484 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
485 "Configuring the EEPROM\n");
486 /* change the EP2, EP4 to INT OUT end point */
487 ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
488
489 /*
490 * It resets the device and if any thing gets changed
491 * in USB descriptor it will show fail and re-enumerate
492 * the device
493 */
494 retval = usb_reset_device(psIntfAdapter->udev);
495 if (retval) {
496 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
497 "reset failed. Re-enumerating the device.\n");
498 return retval ;
499 }
500
501 }
502 if ((psIntfAdapter->bHighSpeedDevice == FALSE) && bcm_usb_endpoint_is_bulk_out(endpoint)) {
503 /* Once BULK is selected in FS mode. Revert it back to INT. Else USB_IF will fail. */
504 UINT _uiData = ntohl(EP2_CFG_INT);
505 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
506 "Reverting Bulk to INT as it is in Full Speed mode.\n");
507 BeceemEEPROMBulkWrite(psIntfAdapter->psAdapter, (PUCHAR)&_uiData, 0x136, 4, TRUE);
508 }
509 } else {
510 usedIntOutForBulkTransfer = EP4 ;
511 endpoint = &iface_desc->endpoint[EP4].desc;
512 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
513 "Choosing AltSetting as a default setting.\n");
514 if (bcm_usb_endpoint_is_int_out(endpoint) == FALSE) {
515 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
516 "Dongle does not have BCM16 Fix.\n");
517 /* change the EP2, EP4 to INT OUT end point and use EP4 in altsetting */
518 ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
519
520 /*
521 * It resets the device and if any thing gets changed in
522 * USB descriptor it will show fail and re-enumerate the
523 * device
524 */
525 retval = usb_reset_device(psIntfAdapter->udev);
526 if (retval) {
527 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
528 "reset failed. Re-enumerating the device.\n");
529 return retval;
530 }
531
532 }
533 }
534 }
535 }
536
537 iface_desc = psIntfAdapter->interface->cur_altsetting;
538
539 for (value = 0; value < iface_desc->desc.bNumEndpoints; ++value) {
540 endpoint = &iface_desc->endpoint[value].desc;
541
542 if (!psIntfAdapter->sBulkIn.bulk_in_endpointAddr && bcm_usb_endpoint_is_bulk_in(endpoint)) {
543 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
544 psIntfAdapter->sBulkIn.bulk_in_size = buffer_size;
545 psIntfAdapter->sBulkIn.bulk_in_endpointAddr = endpoint->bEndpointAddress;
546 psIntfAdapter->sBulkIn.bulk_in_pipe =
547 usb_rcvbulkpipe(psIntfAdapter->udev,
548 psIntfAdapter->sBulkIn.bulk_in_endpointAddr);
549 }
550
551 if (!psIntfAdapter->sBulkOut.bulk_out_endpointAddr && bcm_usb_endpoint_is_bulk_out(endpoint)) {
552 psIntfAdapter->sBulkOut.bulk_out_endpointAddr = endpoint->bEndpointAddress;
553 psIntfAdapter->sBulkOut.bulk_out_pipe =
554 usb_sndbulkpipe(psIntfAdapter->udev,
555 psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
556 }
557
558 if (!psIntfAdapter->sIntrIn.int_in_endpointAddr && bcm_usb_endpoint_is_int_in(endpoint)) {
559 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
560 psIntfAdapter->sIntrIn.int_in_size = buffer_size;
561 psIntfAdapter->sIntrIn.int_in_endpointAddr = endpoint->bEndpointAddress;
562 psIntfAdapter->sIntrIn.int_in_interval = endpoint->bInterval;
563 psIntfAdapter->sIntrIn.int_in_buffer =
564 kmalloc(buffer_size, GFP_KERNEL);
565 if (!psIntfAdapter->sIntrIn.int_in_buffer) {
566 dev_err(&psIntfAdapter->udev->dev,
567 "could not allocate interrupt_in_buffer\n");
568 return -EINVAL;
569 }
570 }
571
572 if (!psIntfAdapter->sIntrOut.int_out_endpointAddr && bcm_usb_endpoint_is_int_out(endpoint)) {
573 if (!psIntfAdapter->sBulkOut.bulk_out_endpointAddr &&
574 (psIntfAdapter->psAdapter->chip_id == T3B) && (value == usedIntOutForBulkTransfer)) {
575 /* use first intout end point as a bulk out end point */
576 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
577 psIntfAdapter->sBulkOut.bulk_out_size = buffer_size;
578 psIntfAdapter->sBulkOut.bulk_out_endpointAddr = endpoint->bEndpointAddress;
579 psIntfAdapter->sBulkOut.bulk_out_pipe = usb_sndintpipe(psIntfAdapter->udev,
580 psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
581 psIntfAdapter->sBulkOut.int_out_interval = endpoint->bInterval;
582 } else if (value == EP6) {
583 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
584 psIntfAdapter->sIntrOut.int_out_size = buffer_size;
585 psIntfAdapter->sIntrOut.int_out_endpointAddr = endpoint->bEndpointAddress;
586 psIntfAdapter->sIntrOut.int_out_interval = endpoint->bInterval;
587 psIntfAdapter->sIntrOut.int_out_buffer = kmalloc(buffer_size, GFP_KERNEL);
588 if (!psIntfAdapter->sIntrOut.int_out_buffer) {
589 dev_err(&psIntfAdapter->udev->dev,
590 "could not allocate interrupt_out_buffer\n");
591 return -EINVAL;
592 }
593 }
594 }
595 }
596
597 usb_set_intfdata(psIntfAdapter->interface, psIntfAdapter);
598
599 psIntfAdapter->psAdapter->bcm_file_download = InterfaceFileDownload;
600 psIntfAdapter->psAdapter->bcm_file_readback_from_chip =
601 InterfaceFileReadbackFromChip;
602 psIntfAdapter->psAdapter->interface_transmit = InterfaceTransmitPacket;
603
604 retval = CreateInterruptUrb(psIntfAdapter);
605
606 if (retval) {
607 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0,
608 "Cannot create interrupt urb\n");
609 return retval;
610 }
611
612 retval = AllocUsbCb(psIntfAdapter);
613 if (retval)
614 return retval;
615
616 return device_run(psIntfAdapter);
617}
618
619static int InterfaceSuspend(struct usb_interface *intf, pm_message_t message)
620{
621 PS_INTERFACE_ADAPTER psIntfAdapter = usb_get_intfdata(intf);
622
623 psIntfAdapter->bSuspended = TRUE;
624
625 if (TRUE == psIntfAdapter->bPreparingForBusSuspend) {
626 psIntfAdapter->bPreparingForBusSuspend = FALSE;
627
628 if (psIntfAdapter->psAdapter->LinkStatus == LINKUP_DONE) {
629 psIntfAdapter->psAdapter->IdleMode = TRUE ;
630 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
631 "Host Entered in PMU Idle Mode.\n");
632 } else {
633 psIntfAdapter->psAdapter->bShutStatus = TRUE;
634 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
635 "Host Entered in PMU Shutdown Mode.\n");
636 }
637 }
638 psIntfAdapter->psAdapter->bPreparingForLowPowerMode = FALSE;
639
640 /* Signaling the control pkt path */
641 wake_up(&psIntfAdapter->psAdapter->lowpower_mode_wait_queue);
642
643 return 0;
644}
645
646static int InterfaceResume(struct usb_interface *intf)
647{
648 PS_INTERFACE_ADAPTER psIntfAdapter = usb_get_intfdata(intf);
649
650 mdelay(100);
651 psIntfAdapter->bSuspended = FALSE;
652
653 StartInterruptUrb(psIntfAdapter);
654 InterfaceRx(psIntfAdapter);
655 return 0;
656}
657
658static struct usb_driver usbbcm_driver = {
659 .name = "usbbcm",
660 .probe = usbbcm_device_probe,
661 .disconnect = usbbcm_disconnect,
662 .suspend = InterfaceSuspend,
663 .resume = InterfaceResume,
664 .id_table = InterfaceUsbtable,
665 .supports_autosuspend = 1,
666};
667
668struct class *bcm_class;
669
670static __init int bcm_init(void)
671{
672 printk(KERN_INFO "%s: %s, %s\n", DRV_NAME, DRV_DESCRIPTION, DRV_VERSION);
673 printk(KERN_INFO "%s\n", DRV_COPYRIGHT);
674
675 bcm_class = class_create(THIS_MODULE, DRV_NAME);
676 if (IS_ERR(bcm_class)) {
677 printk(KERN_ERR DRV_NAME ": could not create class\n");
678 return PTR_ERR(bcm_class);
679 }
680
681 return usb_register(&usbbcm_driver);
682}
683
684static __exit void bcm_exit(void)
685{
686 usb_deregister(&usbbcm_driver);
687 class_destroy(bcm_class);
688}
689
690module_init(bcm_init);
691module_exit(bcm_exit);
692
693MODULE_DESCRIPTION(DRV_DESCRIPTION);
694MODULE_VERSION(DRV_VERSION);
695MODULE_LICENSE("GPL");