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