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_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 { USB_DEVICE(BCM_USB_VENDOR_ID_ZTE, BCM_USB_PRODUCT_ID_ZTE_226) },
12 { }
13};
14MODULE_DEVICE_TABLE(usb, InterfaceUsbtable);
15
16static int debug = -1;
17module_param(debug, uint, 0600);
18MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
19
20static const u32 default_msg =
21 NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK
22 | NETIF_MSG_TIMER | NETIF_MSG_TX_ERR | NETIF_MSG_RX_ERR
23 | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN;
24
25static int InterfaceAdapterInit(PS_INTERFACE_ADAPTER Adapter);
26
27static void InterfaceAdapterFree(PS_INTERFACE_ADAPTER psIntfAdapter)
28{
29 int i = 0;
30
31 /* Wake up the wait_queue... */
32 if (psIntfAdapter->psAdapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY) {
33 psIntfAdapter->psAdapter->DriverState = DRIVER_HALT;
34 wake_up(&psIntfAdapter->psAdapter->LEDInfo.notify_led_event);
35 }
36 reset_card_proc(psIntfAdapter->psAdapter);
37
38 /*
39 * worst case time taken by the RDM/WRM will be 5 sec. will check after every 100 ms
40 * to accertain the device is not being accessed. After this No RDM/WRM should be made.
41 */
42 while (psIntfAdapter->psAdapter->DeviceAccess) {
43 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
44 "Device is being accessed.\n");
45 msleep(100);
46 }
47 /* Free interrupt URB */
48 /* psIntfAdapter->psAdapter->device_removed = TRUE; */
49 usb_free_urb(psIntfAdapter->psInterruptUrb);
50
51 /* Free transmit URBs */
52 for (i = 0; i < MAXIMUM_USB_TCB; i++) {
53 if (psIntfAdapter->asUsbTcb[i].urb != NULL) {
54 usb_free_urb(psIntfAdapter->asUsbTcb[i].urb);
55 psIntfAdapter->asUsbTcb[i].urb = NULL;
56 }
57 }
58 /* Free receive URB and buffers */
59 for (i = 0; i < MAXIMUM_USB_RCB; i++) {
60 if (psIntfAdapter->asUsbRcb[i].urb != NULL) {
61 kfree(psIntfAdapter->asUsbRcb[i].urb->transfer_buffer);
62 usb_free_urb(psIntfAdapter->asUsbRcb[i].urb);
63 psIntfAdapter->asUsbRcb[i].urb = NULL;
64 }
65 }
66 AdapterFree(psIntfAdapter->psAdapter);
67}
68
69static void ConfigureEndPointTypesThroughEEPROM(struct bcm_mini_adapter *Adapter)
70{
71 unsigned long ulReg = 0;
72 int bytes;
73
74 /* Program EP2 MAX_PKT_SIZE */
75 ulReg = ntohl(EP2_MPS_REG);
76 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x128, 4, TRUE);
77 ulReg = ntohl(EP2_MPS);
78 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x12C, 4, TRUE);
79
80 ulReg = ntohl(EP2_CFG_REG);
81 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x132, 4, TRUE);
82 if (((PS_INTERFACE_ADAPTER)(Adapter->pvInterfaceAdapter))->bHighSpeedDevice == TRUE) {
83 ulReg = ntohl(EP2_CFG_INT);
84 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x136, 4, TRUE);
85 } else {
86 /* USE BULK EP as TX in FS mode. */
87 ulReg = ntohl(EP2_CFG_BULK);
88 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x136, 4, TRUE);
89 }
90
91 /* Program EP4 MAX_PKT_SIZE. */
92 ulReg = ntohl(EP4_MPS_REG);
93 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x13C, 4, TRUE);
94 ulReg = ntohl(EP4_MPS);
95 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x140, 4, TRUE);
96
97 /* Program TX EP as interrupt(Alternate Setting) */
98 bytes = rdmalt(Adapter, 0x0F0110F8, (u32 *)&ulReg, sizeof(u32));
99 if (bytes < 0) {
100 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
101 "reading of Tx EP failed\n");
102 return;
103 }
104 ulReg |= 0x6;
105
106 ulReg = ntohl(ulReg);
107 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1CC, 4, TRUE);
108
109 ulReg = ntohl(EP4_CFG_REG);
110 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1C8, 4, TRUE);
111 /* Program ISOCHRONOUS EP size to zero. */
112 ulReg = ntohl(ISO_MPS_REG);
113 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1D2, 4, TRUE);
114 ulReg = ntohl(ISO_MPS);
115 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1D6, 4, TRUE);
116
117 /*
118 * Update EEPROM Version.
119 * Read 4 bytes from 508 and modify 511 and 510.
120 */
121 ReadBeceemEEPROM(Adapter, 0x1FC, (PUINT)&ulReg);
122 ulReg &= 0x0101FFFF;
123 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1FC, 4, TRUE);
124
125 /* Update length field if required. Also make the string NULL terminated. */
126
127 ReadBeceemEEPROM(Adapter, 0xA8, (PUINT)&ulReg);
128 if ((ulReg&0x00FF0000)>>16 > 0x30) {
129 ulReg = (ulReg&0xFF00FFFF)|(0x30<<16);
130 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0xA8, 4, TRUE);
131 }
132 ReadBeceemEEPROM(Adapter, 0x148, (PUINT)&ulReg);
133 if ((ulReg&0x00FF0000)>>16 > 0x30) {
134 ulReg = (ulReg&0xFF00FFFF)|(0x30<<16);
135 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x148, 4, TRUE);
136 }
137 ulReg = 0;
138 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x122, 4, TRUE);
139 ulReg = 0;
140 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1C2, 4, TRUE);
141}
142
143static int 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 struct bcm_mini_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(struct bcm_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
258static void usbbcm_disconnect(struct usb_interface *intf)
259{
260 PS_INTERFACE_ADAPTER psIntfAdapter = usb_get_intfdata(intf);
261 struct bcm_mini_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
279static int AllocUsbCb(PS_INTERFACE_ADAPTER psIntfAdapter)
280{
281 int i = 0;
282
283 for (i = 0; i < MAXIMUM_USB_TCB; i++) {
284 psIntfAdapter->asUsbTcb[i].urb = usb_alloc_urb(0, GFP_KERNEL);
285
286 if (psIntfAdapter->asUsbTcb[i].urb == NULL) {
287 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0,
288 "Can't allocate Tx urb for index %d\n", i);
289 return -ENOMEM;
290 }
291 }
292
293 for (i = 0; i < MAXIMUM_USB_RCB; i++) {
294 psIntfAdapter->asUsbRcb[i].urb = usb_alloc_urb(0, GFP_KERNEL);
295
296 if (psIntfAdapter->asUsbRcb[i].urb == NULL) {
297 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0,
298 "Can't allocate Rx urb for index %d\n", i);
299 return -ENOMEM;
300 }
301
302 psIntfAdapter->asUsbRcb[i].urb->transfer_buffer = kmalloc(MAX_DATA_BUFFER_SIZE, GFP_KERNEL);
303
304 if (psIntfAdapter->asUsbRcb[i].urb->transfer_buffer == NULL) {
305 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0,
306 "Can't allocate Rx buffer for index %d\n", i);
307 return -ENOMEM;
308 }
309 psIntfAdapter->asUsbRcb[i].urb->transfer_buffer_length = MAX_DATA_BUFFER_SIZE;
310 }
311 return 0;
312}
313
314static int device_run(PS_INTERFACE_ADAPTER psIntfAdapter)
315{
316 int value = 0;
317 UINT status = STATUS_SUCCESS;
318
319 status = InitCardAndDownloadFirmware(psIntfAdapter->psAdapter);
320 if (status != STATUS_SUCCESS) {
321 pr_err(DRV_NAME "InitCardAndDownloadFirmware failed.\n");
322 return status;
323 }
324 if (TRUE == psIntfAdapter->psAdapter->fw_download_done) {
325 if (StartInterruptUrb(psIntfAdapter)) {
326 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
327 "Cannot send interrupt in URB\n");
328 }
329
330 /*
331 * now register the cntrl interface.
332 * after downloading the f/w waiting for 5 sec to get the mailbox interrupt.
333 */
334 psIntfAdapter->psAdapter->waiting_to_fw_download_done = FALSE;
335 value = wait_event_timeout(psIntfAdapter->psAdapter->ioctl_fw_dnld_wait_queue,
336 psIntfAdapter->psAdapter->waiting_to_fw_download_done, 5*HZ);
337
338 if (value == 0)
339 pr_err(DRV_NAME ": Timeout waiting for mailbox interrupt.\n");
340
341 if (register_control_device_interface(psIntfAdapter->psAdapter) < 0) {
342 pr_err(DRV_NAME ": Register Control Device failed.\n");
343 return -EIO;
344 }
345 }
346 return 0;
347}
348
349
350static inline int bcm_usb_endpoint_num(const struct usb_endpoint_descriptor *epd)
351{
352 return epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
353}
354
355static inline int bcm_usb_endpoint_type(const struct usb_endpoint_descriptor *epd)
356{
357 return epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
358}
359
360static inline int bcm_usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd)
361{
362 return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN);
363}
364
365static inline int bcm_usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd)
366{
367 return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT);
368}
369
370static inline int bcm_usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd)
371{
372 return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
373 USB_ENDPOINT_XFER_BULK);
374}
375
376static inline int bcm_usb_endpoint_xfer_control(const struct usb_endpoint_descriptor *epd)
377{
378 return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
379 USB_ENDPOINT_XFER_CONTROL);
380}
381
382static inline int bcm_usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd)
383{
384 return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
385 USB_ENDPOINT_XFER_INT);
386}
387
388static inline int bcm_usb_endpoint_xfer_isoc(const struct usb_endpoint_descriptor *epd)
389{
390 return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
391 USB_ENDPOINT_XFER_ISOC);
392}
393
394static inline int bcm_usb_endpoint_is_bulk_in(const struct usb_endpoint_descriptor *epd)
395{
396 return bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_in(epd);
397}
398
399static inline int bcm_usb_endpoint_is_bulk_out(const struct usb_endpoint_descriptor *epd)
400{
401 return bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_out(epd);
402}
403
404static inline int bcm_usb_endpoint_is_int_in(const struct usb_endpoint_descriptor *epd)
405{
406 return bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_in(epd);
407}
408
409static inline int bcm_usb_endpoint_is_int_out(const struct usb_endpoint_descriptor *epd)
410{
411 return bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_out(epd);
412}
413
414static inline int bcm_usb_endpoint_is_isoc_in(const struct usb_endpoint_descriptor *epd)
415{
416 return bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_in(epd);
417}
418
419static inline int bcm_usb_endpoint_is_isoc_out(const struct usb_endpoint_descriptor *epd)
420{
421 return bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_out(epd);
422}
423
424static int InterfaceAdapterInit(PS_INTERFACE_ADAPTER psIntfAdapter)
425{
426 struct usb_host_interface *iface_desc;
427 struct usb_endpoint_descriptor *endpoint;
428 size_t buffer_size;
429 unsigned long value;
430 int retval = 0;
431 int usedIntOutForBulkTransfer = 0 ;
432 BOOLEAN bBcm16 = FALSE;
433 UINT uiData = 0;
434 int bytes;
435
436 /* Store the usb dev into interface adapter */
437 psIntfAdapter->udev = usb_get_dev(interface_to_usbdev(psIntfAdapter->interface));
438
439 psIntfAdapter->bHighSpeedDevice = (psIntfAdapter->udev->speed == USB_SPEED_HIGH);
440 psIntfAdapter->psAdapter->interface_rdm = BcmRDM;
441 psIntfAdapter->psAdapter->interface_wrm = BcmWRM;
442
443 bytes = rdmalt(psIntfAdapter->psAdapter, CHIP_ID_REG,
444 (u32 *)&(psIntfAdapter->psAdapter->chip_id), sizeof(u32));
445 if (bytes < 0) {
446 retval = bytes;
447 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, "CHIP ID Read Failed\n");
448 return retval;
449 }
450
451 if (0xbece3200 == (psIntfAdapter->psAdapter->chip_id & ~(0xF0)))
452 psIntfAdapter->psAdapter->chip_id &= ~0xF0;
453
454 dev_info(&psIntfAdapter->udev->dev, "RDM Chip ID 0x%lx\n",
455 psIntfAdapter->psAdapter->chip_id);
456
457 iface_desc = psIntfAdapter->interface->cur_altsetting;
458
459 if (psIntfAdapter->psAdapter->chip_id == T3B) {
460 /* T3B device will have EEPROM, check if EEPROM is proper and BCM16 can be done or not. */
461 BeceemEEPROMBulkRead(psIntfAdapter->psAdapter, &uiData, 0x0, 4);
462 if (uiData == BECM)
463 bBcm16 = TRUE;
464
465 dev_info(&psIntfAdapter->udev->dev, "number of alternate setting %d\n",
466 psIntfAdapter->interface->num_altsetting);
467
468 if (bBcm16 == TRUE) {
469 /* selecting alternate setting one as a default setting for High Speed modem. */
470 if (psIntfAdapter->bHighSpeedDevice)
471 retval = usb_set_interface(psIntfAdapter->udev, DEFAULT_SETTING_0, ALTERNATE_SETTING_1);
472 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
473 "BCM16 is applicable on this dongle\n");
474 if (retval || (psIntfAdapter->bHighSpeedDevice == FALSE)) {
475 usedIntOutForBulkTransfer = EP2 ;
476 endpoint = &iface_desc->endpoint[EP2].desc;
477 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
478 "Interface altsetting failed or modem is configured to Full Speed, hence will work on default setting 0\n");
479 /*
480 * If Modem is high speed device EP2 should be INT OUT End point
481 * If Mode is FS then EP2 should be bulk end point
482 */
483 if (((psIntfAdapter->bHighSpeedDevice == TRUE) && (bcm_usb_endpoint_is_int_out(endpoint) == FALSE))
484 || ((psIntfAdapter->bHighSpeedDevice == FALSE) && (bcm_usb_endpoint_is_bulk_out(endpoint) == FALSE))) {
485 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
486 "Configuring the EEPROM\n");
487 /* change the EP2, EP4 to INT OUT end point */
488 ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
489
490 /*
491 * It resets the device and if any thing gets changed
492 * in USB descriptor it will show fail and re-enumerate
493 * the device
494 */
495 retval = usb_reset_device(psIntfAdapter->udev);
496 if (retval) {
497 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
498 "reset failed. Re-enumerating the device.\n");
499 return retval ;
500 }
501
502 }
503 if ((psIntfAdapter->bHighSpeedDevice == FALSE) && bcm_usb_endpoint_is_bulk_out(endpoint)) {
504 /* Once BULK is selected in FS mode. Revert it back to INT. Else USB_IF will fail. */
505 UINT _uiData = ntohl(EP2_CFG_INT);
506 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
507 "Reverting Bulk to INT as it is in Full Speed mode.\n");
508 BeceemEEPROMBulkWrite(psIntfAdapter->psAdapter, (PUCHAR)&_uiData, 0x136, 4, TRUE);
509 }
510 } else {
511 usedIntOutForBulkTransfer = EP4 ;
512 endpoint = &iface_desc->endpoint[EP4].desc;
513 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
514 "Choosing AltSetting as a default setting.\n");
515 if (bcm_usb_endpoint_is_int_out(endpoint) == FALSE) {
516 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
517 "Dongle does not have BCM16 Fix.\n");
518 /* change the EP2, EP4 to INT OUT end point and use EP4 in altsetting */
519 ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
520
521 /*
522 * It resets the device and if any thing gets changed in
523 * USB descriptor it will show fail and re-enumerate the
524 * device
525 */
526 retval = usb_reset_device(psIntfAdapter->udev);
527 if (retval) {
528 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
529 "reset failed. Re-enumerating the device.\n");
530 return retval;
531 }
532
533 }
534 }
535 }
536 }
537
538 iface_desc = psIntfAdapter->interface->cur_altsetting;
539
540 for (value = 0; value < iface_desc->desc.bNumEndpoints; ++value) {
541 endpoint = &iface_desc->endpoint[value].desc;
542
543 if (!psIntfAdapter->sBulkIn.bulk_in_endpointAddr && bcm_usb_endpoint_is_bulk_in(endpoint)) {
544 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
545 psIntfAdapter->sBulkIn.bulk_in_size = buffer_size;
546 psIntfAdapter->sBulkIn.bulk_in_endpointAddr = endpoint->bEndpointAddress;
547 psIntfAdapter->sBulkIn.bulk_in_pipe =
548 usb_rcvbulkpipe(psIntfAdapter->udev,
549 psIntfAdapter->sBulkIn.bulk_in_endpointAddr);
550 }
551
552 if (!psIntfAdapter->sBulkOut.bulk_out_endpointAddr && bcm_usb_endpoint_is_bulk_out(endpoint)) {
553 psIntfAdapter->sBulkOut.bulk_out_endpointAddr = endpoint->bEndpointAddress;
554 psIntfAdapter->sBulkOut.bulk_out_pipe =
555 usb_sndbulkpipe(psIntfAdapter->udev,
556 psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
557 }
558
559 if (!psIntfAdapter->sIntrIn.int_in_endpointAddr && bcm_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 = endpoint->bEndpointAddress;
563 psIntfAdapter->sIntrIn.int_in_interval = endpoint->bInterval;
564 psIntfAdapter->sIntrIn.int_in_buffer =
565 kmalloc(buffer_size, GFP_KERNEL);
566 if (!psIntfAdapter->sIntrIn.int_in_buffer) {
567 dev_err(&psIntfAdapter->udev->dev,
568 "could not allocate interrupt_in_buffer\n");
569 return -EINVAL;
570 }
571 }
572
573 if (!psIntfAdapter->sIntrOut.int_out_endpointAddr && bcm_usb_endpoint_is_int_out(endpoint)) {
574 if (!psIntfAdapter->sBulkOut.bulk_out_endpointAddr &&
575 (psIntfAdapter->psAdapter->chip_id == T3B) && (value == usedIntOutForBulkTransfer)) {
576 /* use first intout end point as a bulk out end point */
577 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
578 psIntfAdapter->sBulkOut.bulk_out_size = buffer_size;
579 psIntfAdapter->sBulkOut.bulk_out_endpointAddr = endpoint->bEndpointAddress;
580 psIntfAdapter->sBulkOut.bulk_out_pipe = usb_sndintpipe(psIntfAdapter->udev,
581 psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
582 psIntfAdapter->sBulkOut.int_out_interval = endpoint->bInterval;
583 } else if (value == EP6) {
584 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
585 psIntfAdapter->sIntrOut.int_out_size = buffer_size;
586 psIntfAdapter->sIntrOut.int_out_endpointAddr = endpoint->bEndpointAddress;
587 psIntfAdapter->sIntrOut.int_out_interval = endpoint->bInterval;
588 psIntfAdapter->sIntrOut.int_out_buffer = kmalloc(buffer_size, GFP_KERNEL);
589 if (!psIntfAdapter->sIntrOut.int_out_buffer) {
590 dev_err(&psIntfAdapter->udev->dev,
591 "could not allocate interrupt_out_buffer\n");
592 return -EINVAL;
593 }
594 }
595 }
596 }
597
598 usb_set_intfdata(psIntfAdapter->interface, psIntfAdapter);
599
600 psIntfAdapter->psAdapter->bcm_file_download = InterfaceFileDownload;
601 psIntfAdapter->psAdapter->bcm_file_readback_from_chip =
602 InterfaceFileReadbackFromChip;
603 psIntfAdapter->psAdapter->interface_transmit = InterfaceTransmitPacket;
604
605 retval = CreateInterruptUrb(psIntfAdapter);
606
607 if (retval) {
608 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0,
609 "Cannot create interrupt urb\n");
610 return retval;
611 }
612
613 retval = AllocUsbCb(psIntfAdapter);
614 if (retval)
615 return retval;
616
617 return device_run(psIntfAdapter);
618}
619
620static int InterfaceSuspend(struct usb_interface *intf, pm_message_t message)
621{
622 PS_INTERFACE_ADAPTER psIntfAdapter = usb_get_intfdata(intf);
623
624 psIntfAdapter->bSuspended = TRUE;
625
626 if (TRUE == psIntfAdapter->bPreparingForBusSuspend) {
627 psIntfAdapter->bPreparingForBusSuspend = FALSE;
628
629 if (psIntfAdapter->psAdapter->LinkStatus == LINKUP_DONE) {
630 psIntfAdapter->psAdapter->IdleMode = TRUE ;
631 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
632 "Host Entered in PMU Idle Mode.\n");
633 } else {
634 psIntfAdapter->psAdapter->bShutStatus = TRUE;
635 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
636 "Host Entered in PMU Shutdown Mode.\n");
637 }
638 }
639 psIntfAdapter->psAdapter->bPreparingForLowPowerMode = FALSE;
640
641 /* Signaling the control pkt path */
642 wake_up(&psIntfAdapter->psAdapter->lowpower_mode_wait_queue);
643
644 return 0;
645}
646
647static int InterfaceResume(struct usb_interface *intf)
648{
649 PS_INTERFACE_ADAPTER psIntfAdapter = usb_get_intfdata(intf);
650
651 mdelay(100);
652 psIntfAdapter->bSuspended = FALSE;
653
654 StartInterruptUrb(psIntfAdapter);
655 InterfaceRx(psIntfAdapter);
656 return 0;
657}
658
659static struct usb_driver usbbcm_driver = {
660 .name = "usbbcm",
661 .probe = usbbcm_device_probe,
662 .disconnect = usbbcm_disconnect,
663 .suspend = InterfaceSuspend,
664 .resume = InterfaceResume,
665 .id_table = InterfaceUsbtable,
666 .supports_autosuspend = 1,
667};
668
669struct class *bcm_class;
670
671static __init int bcm_init(void)
672{
673 int retval;
674
675 pr_info("%s: %s, %s\n", DRV_NAME, DRV_DESCRIPTION, DRV_VERSION);
676 pr_info("%s\n", DRV_COPYRIGHT);
677
678 bcm_class = class_create(THIS_MODULE, DRV_NAME);
679 if (IS_ERR(bcm_class)) {
680 pr_err(DRV_NAME ": could not create class\n");
681 return PTR_ERR(bcm_class);
682 }
683
684 retval = usb_register(&usbbcm_driver);
685 if (retval < 0) {
686 pr_err(DRV_NAME ": could not register usb driver\n");
687 class_destroy(bcm_class);
688 return retval;
689 }
690 return 0;
691}
692
693static __exit void bcm_exit(void)
694{
695 usb_deregister(&usbbcm_driver);
696 class_destroy(bcm_class);
697}
698
699module_init(bcm_init);
700module_exit(bcm_exit);
701
702MODULE_DESCRIPTION(DRV_DESCRIPTION);
703MODULE_VERSION(DRV_VERSION);
704MODULE_LICENSE("GPL");