Merge branch 'staging-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
[~shefty/rdma-dev.git] / drivers / staging / bcm / InterfaceInit.c
1 #include "headers.h"
2
3 static 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 };
13 MODULE_DEVICE_TABLE(usb, InterfaceUsbtable);
14
15 static int debug = -1;
16 module_param(debug, uint, 0600);
17 MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
18
19 static 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
24 static int InterfaceAdapterInit(PS_INTERFACE_ADAPTER Adapter);
25
26 static 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
68 static void ConfigureEndPointTypesThroughEEPROM(PMINI_ADAPTER Adapter)
69 {
70         unsigned long ulReg = 0;
71         int ret;
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         ret = rdmalt(Adapter, 0x0F0110F8, (u32 *)&ulReg, sizeof(u32));
98         if (ret) {
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
142 static int
143 usbbcm_device_probe(struct usb_interface *intf, const struct usb_device_id *id)
144 {
145         struct usb_device *udev = interface_to_usbdev(intf);
146         int retval;
147         PMINI_ADAPTER psAdapter;
148         PS_INTERFACE_ADAPTER psIntfAdapter;
149         struct net_device *ndev;
150
151         /* Reserve one extra queue for the bit-bucket */
152         ndev = alloc_etherdev_mq(sizeof(MINI_ADAPTER), NO_OF_QUEUES+1);
153         if (ndev == NULL) {
154                 dev_err(&udev->dev, DRV_NAME ": no memory for device\n");
155                 return -ENOMEM;
156         }
157
158         SET_NETDEV_DEV(ndev, &intf->dev);
159
160         psAdapter = netdev_priv(ndev);
161         psAdapter->dev = ndev;
162         psAdapter->msg_enable = netif_msg_init(debug, default_msg);
163
164         /* Init default driver debug state */
165
166         psAdapter->stDebugState.debug_level = DBG_LVL_CURR;
167         psAdapter->stDebugState.type = DBG_TYPE_INITEXIT;
168
169         /*
170          * Technically, one can start using BCM_DEBUG_PRINT after this point.
171          * However, realize that by default the Type/Subtype bitmaps are all zero now;
172          * so no prints will actually appear until the TestApp turns on debug paths via
173          * the ioctl(); so practically speaking, in early init, no logging happens.
174          *
175          * A solution (used below): we explicitly set the bitmaps to 1 for Type=DBG_TYPE_INITEXIT
176          * and ALL subtype's of the same. Now all bcm debug statements get logged, enabling debug
177          * during early init.
178          * Further, we turn this OFF once init_module() completes.
179          */
180
181         psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0xff;
182         BCM_SHOW_DEBUG_BITMAP(psAdapter);
183
184         retval = InitAdapter(psAdapter);
185         if (retval) {
186                 dev_err(&udev->dev, DRV_NAME ": InitAdapter Failed\n");
187                 AdapterFree(psAdapter);
188                 return retval;
189         }
190
191         /* Allocate interface adapter structure */
192         psIntfAdapter = kzalloc(sizeof(S_INTERFACE_ADAPTER), GFP_KERNEL);
193         if (psIntfAdapter == NULL) {
194                 dev_err(&udev->dev, DRV_NAME ": no memory for Interface adapter\n");
195                 AdapterFree(psAdapter);
196                 return -ENOMEM;
197         }
198
199         psAdapter->pvInterfaceAdapter = psIntfAdapter;
200         psIntfAdapter->psAdapter = psAdapter;
201
202         /* Store usb interface in Interface Adapter */
203         psIntfAdapter->interface = intf;
204         usb_set_intfdata(intf, psIntfAdapter);
205
206         BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
207                 "psIntfAdapter 0x%p\n", psIntfAdapter);
208         retval = InterfaceAdapterInit(psIntfAdapter);
209         if (retval) {
210                 /* If the Firmware/Cfg File is not present
211                  * then return success, let the application
212                  * download the files.
213                  */
214                 if (-ENOENT == retval) {
215                         BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
216                                 "File Not Found.  Use app to download.\n");
217                         return STATUS_SUCCESS;
218                 }
219                 BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
220                         "InterfaceAdapterInit failed.\n");
221                 usb_set_intfdata(intf, NULL);
222                 udev = interface_to_usbdev(intf);
223                 usb_put_dev(udev);
224                 InterfaceAdapterFree(psIntfAdapter);
225                 return retval;
226         }
227         if (psAdapter->chip_id > T3) {
228                 uint32_t uiNackZeroLengthInt = 4;
229
230                 retval = wrmalt(psAdapter, DISABLE_USB_ZERO_LEN_INT, &uiNackZeroLengthInt, sizeof(uiNackZeroLengthInt));
231                 if (retval)
232                         return retval;
233         }
234
235         /* Check whether the USB-Device Supports remote Wake-Up */
236         if (USB_CONFIG_ATT_WAKEUP & udev->actconfig->desc.bmAttributes) {
237                 /* If Suspend then only support dynamic suspend */
238                 if (psAdapter->bDoSuspend) {
239 #ifdef CONFIG_PM
240                         pm_runtime_set_autosuspend_delay(&udev->dev, 0);
241                         intf->needs_remote_wakeup = 1;
242                         usb_enable_autosuspend(udev);
243                         device_init_wakeup(&intf->dev, 1);
244                         INIT_WORK(&psIntfAdapter->usbSuspendWork, putUsbSuspend);
245                         BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
246                                 "Enabling USB Auto-Suspend\n");
247 #endif
248                 } else {
249                         intf->needs_remote_wakeup = 0;
250                         usb_disable_autosuspend(udev);
251                 }
252         }
253
254         psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0x0;
255         return retval;
256 }
257
258 static void usbbcm_disconnect(struct usb_interface *intf)
259 {
260         PS_INTERFACE_ADAPTER psIntfAdapter = usb_get_intfdata(intf);
261         PMINI_ADAPTER psAdapter;
262         struct usb_device  *udev = interface_to_usbdev(intf);
263
264         if (psIntfAdapter == NULL)
265                 return;
266
267         psAdapter = psIntfAdapter->psAdapter;
268         netif_device_detach(psAdapter->dev);
269
270         if (psAdapter->bDoSuspend)
271                 intf->needs_remote_wakeup = 0;
272
273         psAdapter->device_removed = TRUE ;
274         usb_set_intfdata(intf, NULL);
275         InterfaceAdapterFree(psIntfAdapter);
276         usb_put_dev(udev);
277 }
278
279 static int AllocUsbCb(PS_INTERFACE_ADAPTER psIntfAdapter)
280 {
281         int i = 0;
282
283         for (i = 0; i < MAXIMUM_USB_TCB; i++) {
284                 if ((psIntfAdapter->asUsbTcb[i].urb =
285                                 usb_alloc_urb(0, GFP_KERNEL)) == 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                 if ((psIntfAdapter->asUsbRcb[i].urb =
294                                 usb_alloc_urb(0, GFP_KERNEL)) == NULL) {
295                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0,
296                                 "Can't allocate Rx urb for index %d\n", i);
297                         return -ENOMEM;
298                 }
299                 if ((psIntfAdapter->asUsbRcb[i].urb->transfer_buffer =
300                         kmalloc(MAX_DATA_BUFFER_SIZE, GFP_KERNEL)) == NULL) {
301                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0,
302                                 "Can't allocate Rx buffer for index %d\n", i);
303                         return -ENOMEM;
304                 }
305                 psIntfAdapter->asUsbRcb[i].urb->transfer_buffer_length = MAX_DATA_BUFFER_SIZE;
306         }
307         return 0;
308 }
309
310 static int device_run(PS_INTERFACE_ADAPTER psIntfAdapter)
311 {
312         int value = 0;
313         UINT status = STATUS_SUCCESS;
314
315         status = InitCardAndDownloadFirmware(psIntfAdapter->psAdapter);
316         if (status != STATUS_SUCCESS) {
317                 pr_err(DRV_NAME "InitCardAndDownloadFirmware failed.\n");
318                 return status;
319         }
320         if (TRUE == psIntfAdapter->psAdapter->fw_download_done) {
321                 if (StartInterruptUrb(psIntfAdapter)) {
322                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
323                         "Cannot send interrupt in URB\n");
324                 }
325
326                 /*
327                  * now register the cntrl interface.
328                  * after downloading the f/w waiting for 5 sec to get the mailbox interrupt.
329                  */
330                 psIntfAdapter->psAdapter->waiting_to_fw_download_done = FALSE;
331                 value = wait_event_timeout(psIntfAdapter->psAdapter->ioctl_fw_dnld_wait_queue,
332                                         psIntfAdapter->psAdapter->waiting_to_fw_download_done, 5*HZ);
333
334                 if (value == 0)
335                         pr_err(DRV_NAME ": Timeout waiting for mailbox interrupt.\n");
336
337                 if (register_control_device_interface(psIntfAdapter->psAdapter) < 0) {
338                         pr_err(DRV_NAME ": Register Control Device failed.\n");
339                         return -EIO;
340                 }
341         }
342         return 0;
343 }
344
345
346 static inline int bcm_usb_endpoint_num(const struct usb_endpoint_descriptor *epd)
347 {
348         return epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
349 }
350
351 static inline int bcm_usb_endpoint_type(const struct usb_endpoint_descriptor *epd)
352 {
353         return epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
354 }
355
356 static inline int bcm_usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd)
357 {
358         return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN);
359 }
360
361 static inline int bcm_usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd)
362 {
363         return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT);
364 }
365
366 static inline int bcm_usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd)
367 {
368         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
369                 USB_ENDPOINT_XFER_BULK);
370 }
371
372 static inline int bcm_usb_endpoint_xfer_control(const struct usb_endpoint_descriptor *epd)
373 {
374         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
375                 USB_ENDPOINT_XFER_CONTROL);
376 }
377
378 static inline int bcm_usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd)
379 {
380         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
381                 USB_ENDPOINT_XFER_INT);
382 }
383
384 static inline int bcm_usb_endpoint_xfer_isoc(const struct usb_endpoint_descriptor *epd)
385 {
386         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
387                 USB_ENDPOINT_XFER_ISOC);
388 }
389
390 static inline int bcm_usb_endpoint_is_bulk_in(const struct usb_endpoint_descriptor *epd)
391 {
392         return (bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_in(epd));
393 }
394
395 static inline int bcm_usb_endpoint_is_bulk_out(const struct usb_endpoint_descriptor *epd)
396 {
397         return (bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_out(epd));
398 }
399
400 static inline int bcm_usb_endpoint_is_int_in(const struct usb_endpoint_descriptor *epd)
401 {
402         return (bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_in(epd));
403 }
404
405 static inline int bcm_usb_endpoint_is_int_out(const struct usb_endpoint_descriptor *epd)
406 {
407         return (bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_out(epd));
408 }
409
410 static inline int bcm_usb_endpoint_is_isoc_in(const struct usb_endpoint_descriptor *epd)
411 {
412         return (bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_in(epd));
413 }
414
415 static inline int bcm_usb_endpoint_is_isoc_out(const struct usb_endpoint_descriptor *epd)
416 {
417         return (bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_out(epd));
418 }
419
420 static int InterfaceAdapterInit(PS_INTERFACE_ADAPTER psIntfAdapter)
421 {
422         struct usb_host_interface *iface_desc;
423         struct usb_endpoint_descriptor *endpoint;
424         size_t buffer_size;
425         unsigned long value;
426         int retval = 0;
427         int usedIntOutForBulkTransfer = 0 ;
428         BOOLEAN bBcm16 = FALSE;
429         UINT uiData = 0;
430
431         /* Store the usb dev into interface adapter */
432         psIntfAdapter->udev = usb_get_dev(interface_to_usbdev(psIntfAdapter->interface));
433
434         psIntfAdapter->bHighSpeedDevice = (psIntfAdapter->udev->speed == USB_SPEED_HIGH);
435         psIntfAdapter->psAdapter->interface_rdm = BcmRDM;
436         psIntfAdapter->psAdapter->interface_wrm = BcmWRM;
437
438         retval = rdmalt(psIntfAdapter->psAdapter, CHIP_ID_REG,
439                         (u32 *)&(psIntfAdapter->psAdapter->chip_id), sizeof(u32));
440         if (retval) {
441                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, "CHIP ID Read Failed\n");
442                 return retval;
443         }
444
445         if (0xbece3200 == (psIntfAdapter->psAdapter->chip_id & ~(0xF0)))
446                 psIntfAdapter->psAdapter->chip_id &= ~0xF0;
447
448         dev_info(&psIntfAdapter->udev->dev, "RDM Chip ID 0x%lx\n",
449                  psIntfAdapter->psAdapter->chip_id);
450
451         iface_desc = psIntfAdapter->interface->cur_altsetting;
452
453         if (psIntfAdapter->psAdapter->chip_id == T3B) {
454                 /* T3B device will have EEPROM, check if EEPROM is proper and BCM16 can be done or not. */
455                 BeceemEEPROMBulkRead(psIntfAdapter->psAdapter, &uiData, 0x0, 4);
456                 if (uiData == BECM)
457                         bBcm16 = TRUE;
458
459                 dev_info(&psIntfAdapter->udev->dev, "number of alternate setting %d\n",
460                          psIntfAdapter->interface->num_altsetting);
461
462                 if (bBcm16 == TRUE) {
463                         /* selecting alternate setting one as a default setting for High Speed  modem. */
464                         if (psIntfAdapter->bHighSpeedDevice)
465                                 retval= usb_set_interface(psIntfAdapter->udev, DEFAULT_SETTING_0, ALTERNATE_SETTING_1);
466                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
467                                 "BCM16 is applicable on this dongle\n");
468                         if (retval || (psIntfAdapter->bHighSpeedDevice == FALSE)) {
469                                 usedIntOutForBulkTransfer = EP2 ;
470                                 endpoint = &iface_desc->endpoint[EP2].desc;
471                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
472                                          "Interface altsetting failed or modem is configured to Full Speed, hence will work on default setting 0\n");
473                                 /*
474                                  * If Modem is high speed device EP2 should be INT OUT End point
475                                  * If Mode is FS then EP2 should be bulk end point
476                                  */
477                                 if (((psIntfAdapter->bHighSpeedDevice == TRUE) && (bcm_usb_endpoint_is_int_out(endpoint) == FALSE))
478                                         || ((psIntfAdapter->bHighSpeedDevice == FALSE) && (bcm_usb_endpoint_is_bulk_out(endpoint) == FALSE))) {
479                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
480                                                 "Configuring the EEPROM\n");
481                                         /* change the EP2, EP4 to INT OUT end point */
482                                         ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
483
484                                         /*
485                                          * It resets the device and if any thing gets changed
486                                          *  in USB descriptor it will show fail and re-enumerate
487                                          * the device
488                                          */
489                                         retval = usb_reset_device(psIntfAdapter->udev);
490                                         if (retval) {
491                                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
492                                                         "reset failed.  Re-enumerating the device.\n");
493                                                 return retval ;
494                                         }
495
496                                 }
497                                 if ((psIntfAdapter->bHighSpeedDevice == FALSE) && bcm_usb_endpoint_is_bulk_out(endpoint)) {
498                                         /* Once BULK is selected in FS mode. Revert it back to INT. Else USB_IF will fail. */
499                                         UINT _uiData = ntohl(EP2_CFG_INT);
500                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, 
501                                                 "Reverting Bulk to INT as it is in Full Speed mode.\n");
502                                         BeceemEEPROMBulkWrite(psIntfAdapter->psAdapter, (PUCHAR)&_uiData, 0x136, 4, TRUE);
503                                 }
504                         } else {
505                                 usedIntOutForBulkTransfer = EP4 ;
506                                 endpoint = &iface_desc->endpoint[EP4].desc;
507                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
508                                         "Choosing AltSetting as a default setting.\n");
509                                 if (bcm_usb_endpoint_is_int_out(endpoint) == FALSE) {
510                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
511                                                 "Dongle does not have BCM16 Fix.\n");
512                                         /* change the EP2, EP4 to INT OUT end point and use EP4 in altsetting */
513                                         ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
514
515                                         /*
516                                          * It resets the device and if any thing gets changed in
517                                          *  USB descriptor it will show fail and re-enumerate the
518                                          * device
519                                          */
520                                         retval = usb_reset_device(psIntfAdapter->udev);
521                                         if (retval) {
522                                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
523                                                         "reset failed.  Re-enumerating the device.\n");
524                                                 return retval;
525                                         }
526
527                                 }
528                         }
529                 }
530         }
531
532         iface_desc = psIntfAdapter->interface->cur_altsetting;
533
534         for (value = 0; value < iface_desc->desc.bNumEndpoints; ++value) {
535                 endpoint = &iface_desc->endpoint[value].desc;
536
537                 if (!psIntfAdapter->sBulkIn.bulk_in_endpointAddr && bcm_usb_endpoint_is_bulk_in(endpoint)) {
538                         buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
539                         psIntfAdapter->sBulkIn.bulk_in_size = buffer_size;
540                         psIntfAdapter->sBulkIn.bulk_in_endpointAddr = endpoint->bEndpointAddress;
541                         psIntfAdapter->sBulkIn.bulk_in_pipe =
542                                         usb_rcvbulkpipe(psIntfAdapter->udev,
543                                                                 psIntfAdapter->sBulkIn.bulk_in_endpointAddr);
544                 }
545
546                 if (!psIntfAdapter->sBulkOut.bulk_out_endpointAddr && bcm_usb_endpoint_is_bulk_out(endpoint)) {
547                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr = endpoint->bEndpointAddress;
548                         psIntfAdapter->sBulkOut.bulk_out_pipe =
549                                 usb_sndbulkpipe(psIntfAdapter->udev,
550                                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
551                 }
552
553                 if (!psIntfAdapter->sIntrIn.int_in_endpointAddr && bcm_usb_endpoint_is_int_in(endpoint)) {
554                         buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
555                         psIntfAdapter->sIntrIn.int_in_size = buffer_size;
556                         psIntfAdapter->sIntrIn.int_in_endpointAddr = endpoint->bEndpointAddress;
557                         psIntfAdapter->sIntrIn.int_in_interval = endpoint->bInterval;
558                         psIntfAdapter->sIntrIn.int_in_buffer =
559                                                 kmalloc(buffer_size, GFP_KERNEL);
560                         if (!psIntfAdapter->sIntrIn.int_in_buffer) {
561                                 dev_err(&psIntfAdapter->udev->dev,
562                                         "could not allocate interrupt_in_buffer\n");
563                                 return -EINVAL;
564                         }
565                 }
566
567                 if (!psIntfAdapter->sIntrOut.int_out_endpointAddr && bcm_usb_endpoint_is_int_out(endpoint)) {
568                         if (!psIntfAdapter->sBulkOut.bulk_out_endpointAddr &&
569                                 (psIntfAdapter->psAdapter->chip_id == T3B) && (value == usedIntOutForBulkTransfer)) {
570                                 /* use first intout end point as a bulk out end point */
571                                 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
572                                 psIntfAdapter->sBulkOut.bulk_out_size = buffer_size;
573                                 psIntfAdapter->sBulkOut.bulk_out_endpointAddr = endpoint->bEndpointAddress;
574                                 psIntfAdapter->sBulkOut.bulk_out_pipe = usb_sndintpipe(psIntfAdapter->udev,
575                                                                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
576                                 psIntfAdapter->sBulkOut.int_out_interval = endpoint->bInterval;
577                         } else if (value == EP6) {
578                                 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
579                                 psIntfAdapter->sIntrOut.int_out_size = buffer_size;
580                                 psIntfAdapter->sIntrOut.int_out_endpointAddr = endpoint->bEndpointAddress;
581                                 psIntfAdapter->sIntrOut.int_out_interval = endpoint->bInterval;
582                                 psIntfAdapter->sIntrOut.int_out_buffer= kmalloc(buffer_size, GFP_KERNEL);
583                                 if (!psIntfAdapter->sIntrOut.int_out_buffer) {
584                                         dev_err(&psIntfAdapter->udev->dev,
585                                                 "could not allocate interrupt_out_buffer\n");
586                                         return -EINVAL;
587                                 }
588                         }
589                 }
590         }
591
592         usb_set_intfdata(psIntfAdapter->interface, psIntfAdapter);
593
594         psIntfAdapter->psAdapter->bcm_file_download = InterfaceFileDownload;
595         psIntfAdapter->psAdapter->bcm_file_readback_from_chip =
596                                 InterfaceFileReadbackFromChip;
597         psIntfAdapter->psAdapter->interface_transmit = InterfaceTransmitPacket;
598
599         retval = CreateInterruptUrb(psIntfAdapter);
600
601         if (retval) {
602                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0,
603                         "Cannot create interrupt urb\n");
604                 return retval;
605         }
606
607         retval = AllocUsbCb(psIntfAdapter);
608         if (retval)
609                 return retval;
610
611         return device_run(psIntfAdapter);
612 }
613
614 static int InterfaceSuspend(struct usb_interface *intf, pm_message_t message)
615 {
616         PS_INTERFACE_ADAPTER  psIntfAdapter = usb_get_intfdata(intf);
617
618         psIntfAdapter->bSuspended = TRUE;
619
620         if (TRUE == psIntfAdapter->bPreparingForBusSuspend) {
621                 psIntfAdapter->bPreparingForBusSuspend = FALSE;
622
623                 if (psIntfAdapter->psAdapter->LinkStatus == LINKUP_DONE) {
624                         psIntfAdapter->psAdapter->IdleMode = TRUE ;
625                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
626                                 "Host Entered in PMU Idle Mode.\n");
627                 } else {
628                         psIntfAdapter->psAdapter->bShutStatus = TRUE;
629                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
630                                 "Host Entered in PMU Shutdown Mode.\n");
631                 }
632         }
633         psIntfAdapter->psAdapter->bPreparingForLowPowerMode = FALSE;
634
635         /* Signaling the control pkt path */
636         wake_up(&psIntfAdapter->psAdapter->lowpower_mode_wait_queue);
637
638         return 0;
639 }
640
641 static int InterfaceResume(struct usb_interface *intf)
642 {
643         PS_INTERFACE_ADAPTER  psIntfAdapter = usb_get_intfdata(intf);
644         mdelay(100);
645
646         psIntfAdapter->bSuspended = FALSE;
647
648         StartInterruptUrb(psIntfAdapter);
649         InterfaceRx(psIntfAdapter);
650         return 0;
651 }
652
653 static struct usb_driver usbbcm_driver = {
654         .name = "usbbcm",
655         .probe = usbbcm_device_probe,
656         .disconnect = usbbcm_disconnect,
657         .suspend = InterfaceSuspend,
658         .resume = InterfaceResume,
659         .id_table = InterfaceUsbtable,
660         .supports_autosuspend = 1,
661 };
662
663 struct class *bcm_class;
664
665 static __init int bcm_init(void)
666 {
667         printk(KERN_INFO "%s: %s, %s\n", DRV_NAME, DRV_DESCRIPTION, DRV_VERSION);
668         printk(KERN_INFO "%s\n", DRV_COPYRIGHT);
669
670         bcm_class = class_create(THIS_MODULE, DRV_NAME);
671         if (IS_ERR(bcm_class)) {
672                 printk(KERN_ERR DRV_NAME ": could not create class\n");
673                 return PTR_ERR(bcm_class);
674         }
675
676         return usb_register(&usbbcm_driver);
677 }
678
679 static __exit void bcm_exit(void)
680 {
681         usb_deregister(&usbbcm_driver);
682         class_destroy(bcm_class);
683 }
684
685 module_init(bcm_init);
686 module_exit(bcm_exit);
687
688 MODULE_DESCRIPTION(DRV_DESCRIPTION);
689 MODULE_VERSION(DRV_VERSION);
690 MODULE_LICENSE("GPL");