tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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_ZTE, BCM_USB_PRODUCT_ID_226) },
8 { USB_DEVICE(BCM_USB_VENDOR_ID_FOXCONN, BCM_USB_PRODUCT_ID_1901) },
9 {}
10};
11
12VOID InterfaceAdapterFree(PS_INTERFACE_ADAPTER psIntfAdapter)
13{
14 INT i = 0;
15 // Wake up the wait_queue...
16 if(psIntfAdapter->psAdapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY)
17 {
18 psIntfAdapter->psAdapter->DriverState = DRIVER_HALT;
19 wake_up(&psIntfAdapter->psAdapter->LEDInfo.notify_led_event);
20 }
21 reset_card_proc(psIntfAdapter->psAdapter);
22
23 //worst case time taken by the RDM/WRM will be 5 sec. will check after every 100 ms
24 //to accertain the device is not being accessed. After this No RDM/WRM should be made.
25 while(psIntfAdapter->psAdapter->DeviceAccess)
26 {
27 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Device is being Accessed \n");
28 msleep(100);
29 }
30 /* Free interrupt URB */
31 //psIntfAdapter->psAdapter->device_removed = TRUE;
32 if(psIntfAdapter->psInterruptUrb)
33 {
34 usb_free_urb(psIntfAdapter->psInterruptUrb);
35 }
36
37 /* Free transmit URBs */
38 for(i = 0; i < MAXIMUM_USB_TCB; i++)
39 {
40 if(psIntfAdapter->asUsbTcb[i].urb != NULL)
41 {
42 usb_free_urb(psIntfAdapter->asUsbTcb[i].urb);
43 psIntfAdapter->asUsbTcb[i].urb = NULL;
44 }
45 }
46 /* Free receive URB and buffers */
47 for(i = 0; i < MAXIMUM_USB_RCB; i++)
48 {
49 if (psIntfAdapter->asUsbRcb[i].urb != NULL)
50 {
51 bcm_kfree(psIntfAdapter->asUsbRcb[i].urb->transfer_buffer);
52 usb_free_urb(psIntfAdapter->asUsbRcb[i].urb);
53 psIntfAdapter->asUsbRcb[i].urb = NULL;
54 }
55 }
56 AdapterFree(psIntfAdapter->psAdapter);
57}
58
59
60
61static int usbbcm_open(struct inode *inode, struct file *file)
62{
63 return 0;
64}
65
66static int usbbcm_release(struct inode *inode, struct file *file)
67{
68 return 0;
69}
70
71static ssize_t usbbcm_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos)
72{
73 return 0;
74}
75
76static ssize_t usbbcm_write(struct file *file, const char __user *user_buffer, size_t count, loff_t *ppos)
77{
78 return 0;
79}
80
81
82VOID ConfigureEndPointTypesThroughEEPROM(PMINI_ADAPTER Adapter)
83{
84 ULONG ulReg = 0;
85
86// Program EP2 MAX_PKT_SIZE
87 ulReg = ntohl(EP2_MPS_REG);
88 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x128,4,TRUE);
89 ulReg = ntohl(EP2_MPS);
90 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x12C,4,TRUE);
91
92 ulReg = ntohl(EP2_CFG_REG);
93 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x132,4,TRUE);
94 if(((PS_INTERFACE_ADAPTER)(Adapter->pvInterfaceAdapter))->bHighSpeedDevice == TRUE)
95 {
96 ulReg = ntohl(EP2_CFG_INT);
97 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x136,4,TRUE);
98 }
99 else
100 {
101// USE BULK EP as TX in FS mode.
102 ulReg = ntohl(EP2_CFG_BULK);
103 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x136,4,TRUE);
104 }
105
106
107// Program EP4 MAX_PKT_SIZE.
108 ulReg = ntohl(EP4_MPS_REG);
109 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x13C,4,TRUE);
110 ulReg = ntohl(EP4_MPS);
111 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x140,4,TRUE);
112
113// Program TX EP as interrupt (Alternate Setting)
114 if( rdmalt(Adapter,0x0F0110F8, (PUINT)&ulReg,4))
115 {
116 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "reading of Tx EP is failing");
117 return ;
118 }
119 ulReg |= 0x6;
120
121 ulReg = ntohl(ulReg);
122 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1CC,4,TRUE);
123
124 ulReg = ntohl(EP4_CFG_REG);
125 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1C8,4,TRUE);
126// Program ISOCHRONOUS EP size to zero.
127 ulReg = ntohl(ISO_MPS_REG);
128 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1D2,4,TRUE);
129 ulReg = ntohl(ISO_MPS);
130 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1D6,4,TRUE);
131
132// Update EEPROM Version.
133// Read 4 bytes from 508 and modify 511 and 510.
134//
135 ReadBeceemEEPROM(Adapter,0x1FC,(PUINT)&ulReg);
136 ulReg &= 0x0101FFFF;
137 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1FC,4,TRUE);
138//
139//Update length field if required. Also make the string NULL terminated.
140//
141 ReadBeceemEEPROM(Adapter,0xA8,(PUINT)&ulReg);
142 if((ulReg&0x00FF0000)>>16 > 0x30)
143 {
144 ulReg = (ulReg&0xFF00FFFF)|(0x30<<16);
145 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0xA8,4,TRUE);
146 }
147 ReadBeceemEEPROM(Adapter,0x148,(PUINT)&ulReg);
148 if((ulReg&0x00FF0000)>>16 > 0x30)
149 {
150 ulReg = (ulReg&0xFF00FFFF)|(0x30<<16);
151 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x148,4,TRUE);
152 }
153 ulReg = 0;
154 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x122,4,TRUE);
155 ulReg = 0;
156 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1C2,4,TRUE);
157
158}
159
160static struct file_operations usbbcm_fops = {
161 .open = usbbcm_open,
162 .release = usbbcm_release,
163 .read = usbbcm_read,
164 .write = usbbcm_write,
165 .owner = THIS_MODULE,
166 .llseek = no_llseek,
167};
168
169static struct usb_class_driver usbbcm_class = {
170 .name = "usbbcm",
171 .fops = &usbbcm_fops,
172 .minor_base = BCM_USB_MINOR_BASE,
173};
174
175static int
176usbbcm_device_probe(struct usb_interface *intf, const struct usb_device_id *id)
177{
178 int retval =0 ;
179 PMINI_ADAPTER psAdapter = NULL;
180 PS_INTERFACE_ADAPTER psIntfAdapter = NULL;
181 struct usb_device *udev = NULL;
182
183// BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Usbbcm probe!!");
184 if((intf == NULL) || (id == NULL))
185 {
186 // BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "intf or id is NULL");
187 return -EINVAL;
188 }
189
190 /* Allocate Adapter structure */
191 if((psAdapter = kzalloc(sizeof(MINI_ADAPTER), GFP_KERNEL)) == NULL)
192 {
193 BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_PRINTK, 0, 0, "Out of memory");
194 return -ENOMEM;
195 }
196
197 /* Init default driver debug state */
198
199 psAdapter->stDebugState.debug_level = DBG_LVL_CURR;
200 psAdapter->stDebugState.type = DBG_TYPE_INITEXIT;
201 memset (psAdapter->stDebugState.subtype, 0, sizeof (psAdapter->stDebugState.subtype));
202
203 /* Technically, one can start using BCM_DEBUG_PRINT after this point.
204 * However, realize that by default the Type/Subtype bitmaps are all zero now;
205 * so no prints will actually appear until the TestApp turns on debug paths via
206 * the ioctl(); so practically speaking, in early init, no logging happens.
207 *
208 * A solution (used below): we explicitly set the bitmaps to 1 for Type=DBG_TYPE_INITEXIT
209 * and ALL subtype's of the same. Now all bcm debug statements get logged, enabling debug
210 * during early init.
211 * Further, we turn this OFF once init_module() completes.
212 */
213
214 psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0xff;
215 BCM_SHOW_DEBUG_BITMAP(psAdapter);
216
217 retval = InitAdapter(psAdapter);
218 if(retval)
219 {
220 BCM_DEBUG_PRINT (psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "InitAdapter Failed\n");
221 AdapterFree(psAdapter);
222 return retval;
223 }
224
225 /* Allocate interface adapter structure */
226 if((psAdapter->pvInterfaceAdapter =
227 kmalloc(sizeof(S_INTERFACE_ADAPTER), GFP_KERNEL)) == NULL)
228 {
229 BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_PRINTK, 0, 0, "Out of memory");
230 AdapterFree (psAdapter);
231 return -ENOMEM;
232 }
233 memset(psAdapter->pvInterfaceAdapter, 0, sizeof(S_INTERFACE_ADAPTER));
234
235 psIntfAdapter = InterfaceAdapterGet(psAdapter);
236 psIntfAdapter->psAdapter = psAdapter;
237
238 /* Store usb interface in Interface Adapter */
239 psIntfAdapter->interface = intf;
240 usb_set_intfdata(intf, psIntfAdapter);
241
242 BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "psIntfAdapter 0x%p",psIntfAdapter);
243 retval = InterfaceAdapterInit(psIntfAdapter);
244 if(retval)
245 {
246 /* If the Firmware/Cfg File is not present
247 * then return success, let the application
248 * download the files.
249 */
250 if(-ENOENT == retval){
251 BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "File Not Found, Use App to Download\n");
252 return STATUS_SUCCESS;
253 }
254 BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "InterfaceAdapterInit Failed \n");
255 usb_set_intfdata(intf, NULL);
256 udev = interface_to_usbdev (intf);
257 usb_put_dev(udev);
258 if(psAdapter->bUsbClassDriverRegistered == TRUE)
259 usb_deregister_dev (intf, &usbbcm_class);
260 InterfaceAdapterFree(psIntfAdapter);
261 return retval ;
262 }
263 if(psAdapter->chip_id > T3)
264 {
265 uint32_t uiNackZeroLengthInt=4;
266 if(wrmalt(psAdapter, DISABLE_USB_ZERO_LEN_INT, &uiNackZeroLengthInt, sizeof(uiNackZeroLengthInt)))
267 {
268 return -EIO;;
269 }
270 }
271
272 udev = interface_to_usbdev (intf);
273 /* Check whether the USB-Device Supports remote Wake-Up */
274 if(USB_CONFIG_ATT_WAKEUP & udev->actconfig->desc.bmAttributes)
275 {
276 /* If Suspend then only support dynamic suspend */
277 if(psAdapter->bDoSuspend)
278 {
279#ifdef CONFIG_PM
280 udev->autosuspend_delay = 0;
281 intf->needs_remote_wakeup = 1;
282#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
283 udev->autosuspend_disabled = 0;
284#else
285 usb_enable_autosuspend(udev);
286#endif
287 device_init_wakeup(&intf->dev,1);
288#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 32)
289 usb_autopm_disable(intf);
290#endif
291 INIT_WORK(&psIntfAdapter->usbSuspendWork, putUsbSuspend);
292 BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Enabling USB Auto-Suspend\n");
293#endif
294 }
295 else
296 {
297 intf->needs_remote_wakeup = 0;
298#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
299 udev->autosuspend_disabled = 1;
300#else
301 usb_disable_autosuspend(udev);
302#endif
303 }
304 }
305
306 psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0x0;
307 return retval;
308}
309
310static void usbbcm_disconnect (struct usb_interface *intf)
311{
312 PS_INTERFACE_ADAPTER psIntfAdapter = NULL;
313 PMINI_ADAPTER psAdapter = NULL;
314 struct usb_device *udev = NULL;
315 PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev);
316
317 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Usb disconnected");
318 if(intf == NULL)
319 {
320 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "intf pointer is NULL");
321 return;
322 }
323 psIntfAdapter = usb_get_intfdata(intf);
324 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "psIntfAdapter 0x%p",psIntfAdapter);
325 if(psIntfAdapter == NULL)
326 {
327 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "InterfaceAdapter pointer is NULL");
328 return;
329 }
330 psAdapter = psIntfAdapter->psAdapter;
331 if(psAdapter->bDoSuspend)
332 intf->needs_remote_wakeup = 0;
333
334 psAdapter->device_removed = TRUE ;
335 usb_set_intfdata(intf, NULL);
336 InterfaceAdapterFree(psIntfAdapter);
337 udev = interface_to_usbdev (intf);
338 usb_put_dev(udev);
339 usb_deregister_dev (intf, &usbbcm_class);
340}
341
342
343static __inline int AllocUsbCb(PS_INTERFACE_ADAPTER psIntfAdapter)
344{
345 int i = 0;
346 for(i = 0; i < MAXIMUM_USB_TCB; i++)
347 {
348 if((psIntfAdapter->asUsbTcb[i].urb =
349 usb_alloc_urb(0, GFP_KERNEL)) == NULL)
350 {
351 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cant allocate Tx urb for index %d", i);
352 return -ENOMEM;
353 }
354 }
355
356 for(i = 0; i < MAXIMUM_USB_RCB; i++)
357 {
358 if ((psIntfAdapter->asUsbRcb[i].urb =
359 usb_alloc_urb(0, GFP_KERNEL)) == NULL)
360 {
361 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cant allocate Rx urb for index %d", i);
362 return -ENOMEM;
363 }
364 if((psIntfAdapter->asUsbRcb[i].urb->transfer_buffer =
365 kmalloc(MAX_DATA_BUFFER_SIZE, GFP_KERNEL)) == NULL)
366 {
367 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cant allocate Rx buffer for index %d", i);
368 return -ENOMEM;
369 }
370 psIntfAdapter->asUsbRcb[i].urb->transfer_buffer_length = MAX_DATA_BUFFER_SIZE;
371 }
372 return 0;
373}
374
375
376
377static int device_run(PS_INTERFACE_ADAPTER psIntfAdapter)
378{
379 INT value = 0;
380 UINT status = STATUS_SUCCESS;
381
382 status = InitCardAndDownloadFirmware(psIntfAdapter->psAdapter);
383 if(status != STATUS_SUCCESS)
384 {
385 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "InitCardAndDownloadFirmware failed.\n");
386 return status;
387 }
388 if(TRUE == psIntfAdapter->psAdapter->fw_download_done)
389 {
390
391 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Sending first interrupt URB down......");
392 if(StartInterruptUrb(psIntfAdapter))
393 {
394 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Cannot send interrupt in URB");
395 }
396 //now register the cntrl interface.
397 //after downloading the f/w waiting for 5 sec to get the mailbox interrupt.
398
399 psIntfAdapter->psAdapter->waiting_to_fw_download_done = FALSE;
400 value = wait_event_timeout(psIntfAdapter->psAdapter->ioctl_fw_dnld_wait_queue,
401 psIntfAdapter->psAdapter->waiting_to_fw_download_done, 5*HZ);
402
403 if(value == 0)
404 {
405 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Mailbox Interrupt has not reached to Driver..");
406 }
407 else
408 {
409 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Got the mailbox interrupt ...Registering control interface...\n ");
410 }
411 if(register_control_device_interface(psIntfAdapter->psAdapter) < 0)
412 {
413 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Register Control Device failed...");
414 return -EIO;
415 }
416 }
417 return 0;
418}
419
420#if 0
421static void print_usb_interface_desc(struct usb_interface_descriptor *usb_intf_desc)
422{
423 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "**************** INTERFACE DESCRIPTOR *********************");
424 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bLength: %x", usb_intf_desc->bLength);
425 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bDescriptorType: %x", usb_intf_desc->bDescriptorType);
426 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bInterfaceNumber: %x", usb_intf_desc->bInterfaceNumber);
427 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bAlternateSetting: %x", usb_intf_desc->bAlternateSetting);
428 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bNumEndpoints: %x", usb_intf_desc->bNumEndpoints);
429 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bInterfaceClass: %x", usb_intf_desc->bInterfaceClass);
430 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bInterfaceSubClass: %x", usb_intf_desc->bInterfaceSubClass);
431 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bInterfaceProtocol: %x", usb_intf_desc->bInterfaceProtocol);
432 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "iInterface :%x\n",usb_intf_desc->iInterface);
433}
434static void print_usb_endpoint_descriptor(struct usb_endpoint_descriptor *usb_ep_desc)
435{
436 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "**************** ENDPOINT DESCRIPTOR *********************");
437 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bLength :%x ", usb_ep_desc->bLength);
438 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bDescriptorType :%x ", usb_ep_desc->bDescriptorType);
439 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bEndpointAddress :%x ", usb_ep_desc->bEndpointAddress);
440 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bmAttributes :%x ", usb_ep_desc->bmAttributes);
441 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "wMaxPacketSize :%x ",usb_ep_desc->wMaxPacketSize);
442 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bInterval :%x ",usb_ep_desc->bInterval);
443}
444
445#endif
446
447static inline int bcm_usb_endpoint_num(const struct usb_endpoint_descriptor *epd)
448{
449 return epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
450}
451
452static inline int bcm_usb_endpoint_type(const struct usb_endpoint_descriptor *epd)
453{
454 return epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
455}
456
457static inline int bcm_usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd)
458{
459 return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN);
460}
461
462static inline int bcm_usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd)
463{
464 return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT);
465}
466
467static inline int bcm_usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd)
468{
469 return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
470 USB_ENDPOINT_XFER_BULK);
471}
472
473static inline int bcm_usb_endpoint_xfer_control(const struct usb_endpoint_descriptor *epd)
474{
475 return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
476 USB_ENDPOINT_XFER_CONTROL);
477}
478
479static inline int bcm_usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd)
480{
481 return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
482 USB_ENDPOINT_XFER_INT);
483}
484
485static inline int bcm_usb_endpoint_xfer_isoc(const struct usb_endpoint_descriptor *epd)
486{
487 return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
488 USB_ENDPOINT_XFER_ISOC);
489}
490
491static inline int bcm_usb_endpoint_is_bulk_in(const struct usb_endpoint_descriptor *epd)
492{
493 return (bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_in(epd));
494}
495
496static inline int bcm_usb_endpoint_is_bulk_out(const struct usb_endpoint_descriptor *epd)
497{
498 return (bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_out(epd));
499}
500
501static inline int bcm_usb_endpoint_is_int_in(const struct usb_endpoint_descriptor *epd)
502{
503 return (bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_in(epd));
504}
505
506static inline int bcm_usb_endpoint_is_int_out(const struct usb_endpoint_descriptor *epd)
507{
508 return (bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_out(epd));
509}
510
511static inline int bcm_usb_endpoint_is_isoc_in(const struct usb_endpoint_descriptor *epd)
512{
513 return (bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_in(epd));
514}
515
516static inline int bcm_usb_endpoint_is_isoc_out(const struct usb_endpoint_descriptor *epd)
517{
518 return (bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_out(epd));
519}
520
521INT InterfaceAdapterInit(PS_INTERFACE_ADAPTER psIntfAdapter)
522{
523 struct usb_host_interface *iface_desc;
524 struct usb_endpoint_descriptor *endpoint;
525 size_t buffer_size;
526 ULONG value;
527 INT retval = 0;
528 INT usedIntOutForBulkTransfer = 0 ;
529 BOOLEAN bBcm16 = FALSE;
530 UINT uiData = 0;
531
532 /* Store the usb dev into interface adapter */
533 psIntfAdapter->udev = usb_get_dev(interface_to_usbdev(
534 psIntfAdapter->interface));
535
536 if((psIntfAdapter->udev->speed == USB_SPEED_HIGH))
537 {
538 psIntfAdapter->bHighSpeedDevice = TRUE ;
539 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "MODEM IS CONFIGURED TO HIGH_SPEED ");
540 }
541 else
542 {
543 psIntfAdapter->bHighSpeedDevice = FALSE ;
544 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "MODEM IS CONFIGURED TO FULL_SPEED ");
545 }
546
547 psIntfAdapter->psAdapter->interface_rdm = BcmRDM;
548 psIntfAdapter->psAdapter->interface_wrm = BcmWRM;
549
550 if(rdmalt(psIntfAdapter->psAdapter, CHIP_ID_REG, (PUINT)&(psIntfAdapter->psAdapter->chip_id), sizeof(UINT)) < 0)
551 {
552 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "CHIP ID Read Failed\n");
553 return STATUS_FAILURE;
554 }
555 if(0xbece3200==(psIntfAdapter->psAdapter->chip_id&~(0xF0)))
556 {
557 psIntfAdapter->psAdapter->chip_id=(psIntfAdapter->psAdapter->chip_id&~(0xF0));
558 }
559
560 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "First RDM Chip ID 0x%lx\n", psIntfAdapter->psAdapter->chip_id);
561
562 iface_desc = psIntfAdapter->interface->cur_altsetting;
563 //print_usb_interface_desc(&(iface_desc->desc));
564
565 if(psIntfAdapter->psAdapter->chip_id == T3B)
566 {
567
568 //
569 //T3B device will have EEPROM,check if EEPROM is proper and BCM16 can be done or not.
570 //
571 BeceemEEPROMBulkRead(psIntfAdapter->psAdapter,&uiData,0x0,4);
572 if(uiData == BECM)
573 {
574 bBcm16 = TRUE;
575 }
576 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Number of Altsetting aviailable for This Modem 0x%x\n", psIntfAdapter->interface->num_altsetting);
577 if(bBcm16 == TRUE)
578 {
579 //selecting alternate setting one as a default setting for High Speed modem.
580 if(psIntfAdapter->bHighSpeedDevice)
581 retval= usb_set_interface(psIntfAdapter->udev,DEFAULT_SETTING_0,ALTERNATE_SETTING_1);
582 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "BCM16 is Applicable on this dongle");
583 if(retval || (psIntfAdapter->bHighSpeedDevice == FALSE))
584 {
585 usedIntOutForBulkTransfer = EP2 ;
586 endpoint = &iface_desc->endpoint[EP2].desc;
587 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Interface altsetting got failed or Moemd is configured to FS.hence will work on default setting 0 \n");
588 /*
589 If Modem is high speed device EP2 should be INT OUT End point
590 If Mode is FS then EP2 should be bulk end point
591 */
592 if(((psIntfAdapter->bHighSpeedDevice ==TRUE ) && (bcm_usb_endpoint_is_int_out(endpoint)== FALSE))
593 ||((psIntfAdapter->bHighSpeedDevice == FALSE)&& (bcm_usb_endpoint_is_bulk_out(endpoint)== FALSE)))
594 {
595 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Configuring the EEPROM ");
596 //change the EP2, EP4 to INT OUT end point
597 ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
598
599 /*
600 It resets the device and if any thing gets changed in USB descriptor it will show fail and
601 re-enumerate the device
602 */
603 retval = usb_reset_device(psIntfAdapter->udev);
604 if(retval)
605 {
606 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "reset got failed. hence Re-enumerating the device \n");
607 return retval ;
608 }
609
610 }
611 if((psIntfAdapter->bHighSpeedDevice == FALSE) && bcm_usb_endpoint_is_bulk_out(endpoint))
612 {
613 // Once BULK is selected in FS mode. Revert it back to INT. Else USB_IF will fail.
614 UINT _uiData = ntohl(EP2_CFG_INT);
615 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Reverting Bulk to INT as it is FS MODE");
616 BeceemEEPROMBulkWrite(psIntfAdapter->psAdapter,(PUCHAR)&_uiData,0x136,4,TRUE);
617 }
618 }
619 else
620 {
621 usedIntOutForBulkTransfer = EP4 ;
622 endpoint = &iface_desc->endpoint[EP4].desc;
623 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Choosing AltSetting as a default setting");
624 if( bcm_usb_endpoint_is_int_out(endpoint) == FALSE)
625 {
626 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, " Dongle does not have BCM16 Fix");
627 //change the EP2, EP4 to INT OUT end point and use EP4 in altsetting
628 ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
629
630 /*
631 It resets the device and if any thing gets changed in USB descriptor it will show fail and
632 re-enumerate the device
633 */
634 retval = usb_reset_device(psIntfAdapter->udev);
635 if(retval)
636 {
637 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "reset got failed. hence Re-enumerating the device \n");
638 return retval ;
639 }
640
641 }
642 }
643 }
644 }
645
646 iface_desc = psIntfAdapter->interface->cur_altsetting;
647 //print_usb_interface_desc(&(iface_desc->desc));
648 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Current number of endpoints :%x \n", iface_desc->desc.bNumEndpoints);
649 for (value = 0; value < iface_desc->desc.bNumEndpoints; ++value)
650 {
651 endpoint = &iface_desc->endpoint[value].desc;
652 //print_usb_endpoint_descriptor(endpoint);
653
654 if (!psIntfAdapter->sBulkIn.bulk_in_endpointAddr && bcm_usb_endpoint_is_bulk_in(endpoint))
655 {
656 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
657 psIntfAdapter->sBulkIn.bulk_in_size = buffer_size;
658 psIntfAdapter->sBulkIn.bulk_in_endpointAddr =
659 endpoint->bEndpointAddress;
660 psIntfAdapter->sBulkIn.bulk_in_pipe =
661 usb_rcvbulkpipe(psIntfAdapter->udev,
662 psIntfAdapter->sBulkIn.bulk_in_endpointAddr);
663 }
664
665 if (!psIntfAdapter->sBulkOut.bulk_out_endpointAddr && bcm_usb_endpoint_is_bulk_out(endpoint))
666 {
667
668 psIntfAdapter->sBulkOut.bulk_out_endpointAddr =
669 endpoint->bEndpointAddress;
670 psIntfAdapter->sBulkOut.bulk_out_pipe =
671 usb_sndbulkpipe(psIntfAdapter->udev,
672 psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
673 }
674
675 if (!psIntfAdapter->sIntrIn.int_in_endpointAddr && bcm_usb_endpoint_is_int_in(endpoint))
676 {
677 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
678 psIntfAdapter->sIntrIn.int_in_size = buffer_size;
679 psIntfAdapter->sIntrIn.int_in_endpointAddr =
680 endpoint->bEndpointAddress;
681 psIntfAdapter->sIntrIn.int_in_interval = endpoint->bInterval;
682 psIntfAdapter->sIntrIn.int_in_buffer =
683 kmalloc(buffer_size, GFP_KERNEL);
684 if (!psIntfAdapter->sIntrIn.int_in_buffer) {
685 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Could not allocate interrupt_in_buffer");
686 return -EINVAL;
687 }
688 //psIntfAdapter->sIntrIn.int_in_pipe =
689 }
690
691 if (!psIntfAdapter->sIntrOut.int_out_endpointAddr && bcm_usb_endpoint_is_int_out(endpoint))
692 {
693
694 if( !psIntfAdapter->sBulkOut.bulk_out_endpointAddr &&
695 (psIntfAdapter->psAdapter->chip_id == T3B) && (value == usedIntOutForBulkTransfer))
696 {
697 //use first intout end point as a bulk out end point
698 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
699 psIntfAdapter->sBulkOut.bulk_out_size = buffer_size;
700 //printk("\nINT OUT Endpoing buffer size :%x endpoint :%x\n", buffer_size, value +1);
701 psIntfAdapter->sBulkOut.bulk_out_endpointAddr =
702 endpoint->bEndpointAddress;
703 psIntfAdapter->sBulkOut.bulk_out_pipe =
704 usb_sndintpipe(psIntfAdapter->udev,
705 psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
706 psIntfAdapter->sBulkOut.int_out_interval = endpoint->bInterval;
707
708 }
709 else if(value == EP6)
710 {
711 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
712 psIntfAdapter->sIntrOut.int_out_size = buffer_size;
713 psIntfAdapter->sIntrOut.int_out_endpointAddr =
714 endpoint->bEndpointAddress;
715 psIntfAdapter->sIntrOut.int_out_interval = endpoint->bInterval;
716 psIntfAdapter->sIntrOut.int_out_buffer= kmalloc(buffer_size,
717 GFP_KERNEL);
718 if (!psIntfAdapter->sIntrOut.int_out_buffer)
719 {
720 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Could not allocate interrupt_out_buffer");
721 return -EINVAL;
722 }
723 }
724 }
725 }
726 usb_set_intfdata(psIntfAdapter->interface, psIntfAdapter);
727 retval = usb_register_dev(psIntfAdapter->interface, &usbbcm_class);
728 if(retval)
729 {
730 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "usb register dev failed = %d", retval);
731 psIntfAdapter->psAdapter->bUsbClassDriverRegistered = FALSE;
732 return retval;
733 }
734 else
735 {
736 psIntfAdapter->psAdapter->bUsbClassDriverRegistered = TRUE;
737 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "usb dev registered");
738 }
739
740 psIntfAdapter->psAdapter->bcm_file_download = InterfaceFileDownload;
741 psIntfAdapter->psAdapter->bcm_file_readback_from_chip =
742 InterfaceFileReadbackFromChip;
743 psIntfAdapter->psAdapter->interface_transmit = InterfaceTransmitPacket;
744
745 retval = CreateInterruptUrb(psIntfAdapter);
746
747 if(retval)
748 {
749 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cannot create interrupt urb");
750 return retval;
751 }
752
753 retval = AllocUsbCb(psIntfAdapter);
754 if(retval)
755 {
756 return retval;
757 }
758
759
760 retval = device_run(psIntfAdapter);
761 if(retval)
762 {
763 return retval;
764 }
765
766
767 return 0;
768}
769
770static int InterfaceSuspend (struct usb_interface *intf, pm_message_t message)
771{
772 PS_INTERFACE_ADAPTER psIntfAdapter = usb_get_intfdata(intf);
773 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "=================================\n");
774 //Bcm_kill_all_URBs(psIntfAdapter);
775 psIntfAdapter->bSuspended = TRUE;
776
777 if(TRUE == psIntfAdapter->bPreparingForBusSuspend)
778 {
779 psIntfAdapter->bPreparingForBusSuspend = FALSE;
780
781 if(psIntfAdapter->psAdapter->LinkStatus == LINKUP_DONE)
782 {
783 psIntfAdapter->psAdapter->IdleMode = TRUE ;
784 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Host Entered in PMU Idle Mode..");
785 }
786 else
787 {
788 psIntfAdapter->psAdapter->bShutStatus = TRUE;
789 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Host Entered in PMU Shutdown Mode..");
790 }
791 }
792 psIntfAdapter->psAdapter->bPreparingForLowPowerMode = FALSE;
793
794 //Signaling the control pkt path
795 wake_up(&psIntfAdapter->psAdapter->lowpower_mode_wait_queue);
796
797 return 0;
798}
799
800static int InterfaceResume (struct usb_interface *intf)
801{
802 PS_INTERFACE_ADAPTER psIntfAdapter = usb_get_intfdata(intf);
803 printk("=================================\n");
804 mdelay(100);
805#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 32)
806 intf->pm_usage_cnt =1 ;
807#endif
808 psIntfAdapter->bSuspended = FALSE;
809
810 StartInterruptUrb(psIntfAdapter);
811 InterfaceRx(psIntfAdapter);
812 return 0;
813}
814
815static int InterfacePreReset(struct usb_interface *intf)
816{
817 printk("====================>");
818 return STATUS_SUCCESS;
819}
820
821static int InterfacePostReset(struct usb_interface *intf)
822{
823 printk("Do Post chip reset setting here if it is required");
824 return STATUS_SUCCESS;
825}
826static struct usb_driver usbbcm_driver = {
827 .name = "usbbcm",
828 .probe = usbbcm_device_probe,
829 .disconnect = usbbcm_disconnect,
830 .suspend = InterfaceSuspend,
831 .resume = InterfaceResume,
832 .pre_reset=InterfacePreReset,
833 .post_reset=InterfacePostReset,
834 .id_table = InterfaceUsbtable,
835 .supports_autosuspend = 1,
836};
837
838
839/*
840Function: InterfaceInitialize
841
842Description: This is the hardware specific initialization Function.
843 Registering the driver with NDIS , other device specific NDIS
844 and hardware initializations are done here.
845
846Input parameters: IN PMINI_ADAPTER Adapter - Miniport Adapter Context
847
848
849Return: BCM_STATUS_SUCCESS - If Initialization of the
850 HW Interface was successful.
851 Other - If an error occured.
852*/
853INT InterfaceInitialize(void)
854{
855// BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Registering Usb driver!!");
856 return usb_register(&usbbcm_driver);
857}
858
859INT InterfaceExit(void)
860{
861 //PMINI_ADAPTER psAdapter = NULL;
862 int status = 0;
863
864 //BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Deregistering Usb driver!!");
865 usb_deregister(&usbbcm_driver);
866 return status;
867}
868MODULE_LICENSE ("GPL");