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_ZTE, BCM_USB_PRODUCT_ID_226) },
   8     { USB_DEVICE(BCM_USB_VENDOR_ID_FOXCONN, BCM_USB_PRODUCT_ID_1901) },
   9
  10     { }
  11 };
  12 MODULE_DEVICE_TABLE(usb, InterfaceUsbtable);
  13
  14 static unsigned int debug_level = DBG_LVL_CURR;
  15 module_param(debug_level, uint, 0644);
  16 MODULE_PARM_DESC(debug_level, "Debug level (0=none,...,7=all)");
  17
  18
  19 VOID InterfaceAdapterFree(PS_INTERFACE_ADAPTER psIntfAdapter)
  20 {
  21         INT i = 0;
  22         // Wake up the wait_queue...
  23         if(psIntfAdapter->psAdapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY)
  24         {
  25                 psIntfAdapter->psAdapter->DriverState = DRIVER_HALT;
  26                 wake_up(&psIntfAdapter->psAdapter->LEDInfo.notify_led_event);
  27         }
  28         reset_card_proc(psIntfAdapter->psAdapter);
  29
  30         //worst case time taken by the RDM/WRM will be 5 sec. will check after every 100 ms
  31         //to accertain the device is not being accessed. After this No RDM/WRM should be made.
  32         while(psIntfAdapter->psAdapter->DeviceAccess)
  33         {
  34                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Device is being Accessed \n");
  35                 msleep(100);
  36         }
  37         /* Free interrupt URB */
  38         //psIntfAdapter->psAdapter->device_removed = TRUE;
  39         if(psIntfAdapter->psInterruptUrb)
  40         {
  41                 usb_free_urb(psIntfAdapter->psInterruptUrb);
  42         }
  43
  44         /* Free transmit URBs */
  45         for(i = 0; i < MAXIMUM_USB_TCB; i++)
  46         {
  47                 if(psIntfAdapter->asUsbTcb[i].urb  != NULL)
  48                 {
  49                         usb_free_urb(psIntfAdapter->asUsbTcb[i].urb);
  50                         psIntfAdapter->asUsbTcb[i].urb = NULL;
  51                 }
  52         }
  53         /* Free receive URB and buffers */
  54         for(i = 0; i < MAXIMUM_USB_RCB; i++)
  55         {
  56                 if (psIntfAdapter->asUsbRcb[i].urb != NULL)
  57                 {
  58                         kfree(psIntfAdapter->asUsbRcb[i].urb->transfer_buffer);
  59                         usb_free_urb(psIntfAdapter->asUsbRcb[i].urb);
  60                         psIntfAdapter->asUsbRcb[i].urb = NULL;
  61                 }
  62         }
  63         AdapterFree(psIntfAdapter->psAdapter);
  64 }
  65
  66
  67
  68 static int usbbcm_open(struct inode *inode, struct file *file)
  69 {
  70         return 0;
  71 }
  72
  73 static int usbbcm_release(struct inode *inode, struct file *file)
  74 {
  75         return 0;
  76 }
  77
  78 static ssize_t usbbcm_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos)
  79 {
  80         return 0;
  81 }
  82
  83 static ssize_t usbbcm_write(struct file *file, const char __user *user_buffer, size_t count, loff_t *ppos)
  84 {
  85         return 0;
  86 }
  87
  88
  89 VOID ConfigureEndPointTypesThroughEEPROM(PMINI_ADAPTER Adapter)
  90 {
  91         ULONG ulReg = 0;
  92
  93 // Program EP2 MAX_PKT_SIZE
  94         ulReg = ntohl(EP2_MPS_REG);
  95         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x128,4,TRUE);
  96         ulReg = ntohl(EP2_MPS);
  97         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x12C,4,TRUE);
  98
  99         ulReg = ntohl(EP2_CFG_REG);
 100         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x132,4,TRUE);
 101         if(((PS_INTERFACE_ADAPTER)(Adapter->pvInterfaceAdapter))->bHighSpeedDevice == TRUE)
 102         {
 103                 ulReg = ntohl(EP2_CFG_INT);
 104                 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x136,4,TRUE);
 105         }
 106         else
 107         {
 108 // USE BULK EP as TX in FS mode.
 109                 ulReg = ntohl(EP2_CFG_BULK);
 110                 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x136,4,TRUE);
 111         }
 112
 113
 114 // Program EP4 MAX_PKT_SIZE.
 115         ulReg = ntohl(EP4_MPS_REG);
 116         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x13C,4,TRUE);
 117         ulReg = ntohl(EP4_MPS);
 118         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x140,4,TRUE);
 119
 120 //      Program TX EP as interrupt (Alternate Setting)
 121         if( rdmalt(Adapter,0x0F0110F8, (PUINT)&ulReg,4))
 122         {
 123                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "reading of Tx EP is failing");
 124                 return ;
 125         }
 126         ulReg |= 0x6;
 127
 128         ulReg = ntohl(ulReg);
 129         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1CC,4,TRUE);
 130
 131         ulReg = ntohl(EP4_CFG_REG);
 132         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1C8,4,TRUE);
 133 // Program ISOCHRONOUS EP size to zero.
 134         ulReg = ntohl(ISO_MPS_REG);
 135         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1D2,4,TRUE);
 136         ulReg = ntohl(ISO_MPS);
 137         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1D6,4,TRUE);
 138
 139 // Update EEPROM Version.
 140 // Read 4 bytes from 508 and modify 511 and 510.
 141 //
 142         ReadBeceemEEPROM(Adapter,0x1FC,(PUINT)&ulReg);
 143         ulReg &= 0x0101FFFF;
 144         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1FC,4,TRUE);
 145 //
 146 //Update length field if required. Also make the string NULL terminated.
 147 //
 148         ReadBeceemEEPROM(Adapter,0xA8,(PUINT)&ulReg);
 149         if((ulReg&0x00FF0000)>>16 > 0x30)
 150         {
 151                 ulReg = (ulReg&0xFF00FFFF)|(0x30<<16);
 152                 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0xA8,4,TRUE);
 153         }
 154         ReadBeceemEEPROM(Adapter,0x148,(PUINT)&ulReg);
 155         if((ulReg&0x00FF0000)>>16 > 0x30)
 156         {
 157                 ulReg = (ulReg&0xFF00FFFF)|(0x30<<16);
 158                 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x148,4,TRUE);
 159         }
 160         ulReg = 0;
 161         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x122,4,TRUE);
 162         ulReg = 0;
 163         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1C2,4,TRUE);
 164
 165 }
 166
 167 static struct file_operations usbbcm_fops = {
 168     .open    =  usbbcm_open,
 169     .release =  usbbcm_release,
 170     .read    =  usbbcm_read,
 171     .write   =  usbbcm_write,
 172     .owner   =  THIS_MODULE,
 173         .llseek = no_llseek,
 174 };
 175
 176 static struct usb_class_driver usbbcm_class = {
 177     .name =             "usbbcm",
 178     .fops =             &usbbcm_fops,
 179     .minor_base =   BCM_USB_MINOR_BASE,
 180 };
 181
 182 static int
 183 usbbcm_device_probe(struct usb_interface *intf, const struct usb_device_id *id)
 184 {
 185         int retval =0 ;
 186         PMINI_ADAPTER psAdapter = NULL;
 187         PS_INTERFACE_ADAPTER psIntfAdapter = NULL;
 188         struct usb_device      *udev = NULL;
 189
 190 //      BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Usbbcm probe!!");
 191         if((intf == NULL) || (id == NULL))
 192         {
 193         //      BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "intf or id is NULL");
 194                 return -EINVAL;
 195         }
 196
 197         /* Allocate Adapter structure */
 198         if((psAdapter = kzalloc(sizeof(MINI_ADAPTER), GFP_KERNEL)) == NULL)
 199         {
 200                 BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_PRINTK, 0, 0, "Out of memory");
 201                 return -ENOMEM;
 202         }
 203
 204     /* Init default driver debug state */
 205
 206         psAdapter->stDebugState.debug_level = debug_level;
 207         psAdapter->stDebugState.type = DBG_TYPE_INITEXIT;
 208         memset (psAdapter->stDebugState.subtype, 0, sizeof (psAdapter->stDebugState.subtype));
 209
 210     /* Technically, one can start using BCM_DEBUG_PRINT after this point.
 211          * However, realize that by default the Type/Subtype bitmaps are all zero now;
 212          * so no prints will actually appear until the TestApp turns on debug paths via
 213          * the ioctl(); so practically speaking, in early init, no logging happens.
 214          *
 215          * A solution (used below): we explicitly set the bitmaps to 1 for Type=DBG_TYPE_INITEXIT
 216          * and ALL subtype's of the same. Now all bcm debug statements get logged, enabling debug
 217          * during early init.
 218          * Further, we turn this OFF once init_module() completes.
 219          */
 220
 221     psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0xff;
 222         BCM_SHOW_DEBUG_BITMAP(psAdapter);
 223
 224         retval = InitAdapter(psAdapter);
 225         if(retval)
 226         {
 227                 BCM_DEBUG_PRINT (psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "InitAdapter Failed\n");
 228                 AdapterFree(psAdapter);
 229                 return retval;
 230         }
 231
 232         /* Allocate interface adapter structure */
 233         if((psAdapter->pvInterfaceAdapter =
 234                 kmalloc(sizeof(S_INTERFACE_ADAPTER), GFP_KERNEL)) == NULL)
 235         {
 236                 BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_PRINTK, 0, 0, "Out of memory");
 237                 AdapterFree (psAdapter);
 238                 return -ENOMEM;
 239         }
 240         memset(psAdapter->pvInterfaceAdapter, 0, sizeof(S_INTERFACE_ADAPTER));
 241
 242         psIntfAdapter = InterfaceAdapterGet(psAdapter);
 243         psIntfAdapter->psAdapter = psAdapter;
 244
 245         /* Store usb interface in Interface Adapter */
 246         psIntfAdapter->interface = intf;
 247         usb_set_intfdata(intf, psIntfAdapter);
 248
 249         BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "psIntfAdapter 0x%p",psIntfAdapter);
 250         retval = InterfaceAdapterInit(psIntfAdapter);
 251         if(retval)
 252         {
 253                 /* If the Firmware/Cfg File is not present
 254                  * then return success, let the application
 255                  * download the files.
 256                  */
 257                 if(-ENOENT == retval){
 258                         BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "File Not Found, Use App to Download\n");
 259                         return STATUS_SUCCESS;
 260                 }
 261                 BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "InterfaceAdapterInit Failed \n");
 262                 usb_set_intfdata(intf, NULL);
 263                 udev = interface_to_usbdev (intf);
 264                 usb_put_dev(udev);
 265                 if(psAdapter->bUsbClassDriverRegistered == TRUE)
 266                                 usb_deregister_dev (intf, &usbbcm_class);
 267                 InterfaceAdapterFree(psIntfAdapter);
 268                 return retval ;
 269         }
 270         if(psAdapter->chip_id > T3)
 271         {
 272                 uint32_t uiNackZeroLengthInt=4;
 273                 if(wrmalt(psAdapter, DISABLE_USB_ZERO_LEN_INT, &uiNackZeroLengthInt, sizeof(uiNackZeroLengthInt)))
 274                 {
 275                         return -EIO;;
 276                 }
 277         }
 278
 279         udev = interface_to_usbdev (intf);
 280         /* Check whether the USB-Device Supports remote Wake-Up */
 281         if(USB_CONFIG_ATT_WAKEUP & udev->actconfig->desc.bmAttributes)
 282         {
 283                 /* If Suspend then only support dynamic suspend */
 284                 if(psAdapter->bDoSuspend)
 285                 {
 286 #ifdef CONFIG_PM
 287                         udev->autosuspend_delay = 0;
 288                         intf->needs_remote_wakeup = 1;
 289 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
 290                         udev->autosuspend_disabled = 0;
 291 #else
 292                         usb_enable_autosuspend(udev);
 293 #endif
 294                         device_init_wakeup(&intf->dev,1);
 295 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 32)
 296                         usb_autopm_disable(intf);
 297 #endif
 298                         INIT_WORK(&psIntfAdapter->usbSuspendWork, putUsbSuspend);
 299                         BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Enabling USB Auto-Suspend\n");
 300 #endif
 301                 }
 302                 else
 303                 {
 304                         intf->needs_remote_wakeup = 0;
 305 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
 306                         udev->autosuspend_disabled = 1;
 307 #else
 308                         usb_disable_autosuspend(udev);
 309 #endif
 310                 }
 311         }
 312
 313     psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0x0;
 314     return retval;
 315 }
 316
 317 static void usbbcm_disconnect (struct usb_interface *intf)
 318 {
 319         PS_INTERFACE_ADAPTER psIntfAdapter = NULL;
 320         PMINI_ADAPTER psAdapter = NULL;
 321         struct usb_device       *udev = NULL;
 322     PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev);
 323
 324         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Usb disconnected");
 325         if(intf == NULL)
 326         {
 327                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "intf pointer is NULL");
 328                 return;
 329         }
 330         psIntfAdapter = usb_get_intfdata(intf);
 331         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "psIntfAdapter 0x%p",psIntfAdapter);
 332         if(psIntfAdapter == NULL)
 333         {
 334                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "InterfaceAdapter pointer is NULL");
 335                 return;
 336         }
 337         psAdapter = psIntfAdapter->psAdapter;
 338         if(psAdapter->bDoSuspend)
 339                 intf->needs_remote_wakeup = 0;
 340
 341         psAdapter->device_removed = TRUE ;
 342         usb_set_intfdata(intf, NULL);
 343         InterfaceAdapterFree(psIntfAdapter);
 344         udev = interface_to_usbdev (intf);
 345         usb_put_dev(udev);
 346         usb_deregister_dev (intf, &usbbcm_class);
 347 }
 348
 349
 350 static __inline int AllocUsbCb(PS_INTERFACE_ADAPTER psIntfAdapter)
 351 {
 352         int i = 0;
 353         for(i = 0; i < MAXIMUM_USB_TCB; i++)
 354         {
 355                 if((psIntfAdapter->asUsbTcb[i].urb =
 356                                 usb_alloc_urb(0, GFP_KERNEL)) == NULL)
 357                 {
 358                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cant allocate Tx urb for index %d", i);
 359                         return -ENOMEM;
 360                 }
 361         }
 362
 363         for(i = 0; i < MAXIMUM_USB_RCB; i++)
 364         {
 365                 if ((psIntfAdapter->asUsbRcb[i].urb =
 366                                 usb_alloc_urb(0, GFP_KERNEL)) == NULL)
 367                 {
 368                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cant allocate Rx urb for index %d", i);
 369                         return -ENOMEM;
 370                 }
 371                 if((psIntfAdapter->asUsbRcb[i].urb->transfer_buffer =
 372                         kmalloc(MAX_DATA_BUFFER_SIZE, GFP_KERNEL)) == NULL)
 373                 {
 374                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cant allocate Rx buffer for index %d", i);
 375                         return -ENOMEM;
 376                 }
 377                 psIntfAdapter->asUsbRcb[i].urb->transfer_buffer_length = MAX_DATA_BUFFER_SIZE;
 378         }
 379         return 0;
 380 }
 381
 382
 383
 384 static int device_run(PS_INTERFACE_ADAPTER psIntfAdapter)
 385 {
 386         INT value = 0;
 387         UINT status = STATUS_SUCCESS;
 388
 389         status = InitCardAndDownloadFirmware(psIntfAdapter->psAdapter);
 390         if(status != STATUS_SUCCESS)
 391         {
 392                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "InitCardAndDownloadFirmware failed.\n");
 393                 return status;
 394         }
 395         if(TRUE == psIntfAdapter->psAdapter->fw_download_done)
 396         {
 397
 398                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Sending first interrupt URB down......");
 399                 if(StartInterruptUrb(psIntfAdapter))
 400                 {
 401                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Cannot send interrupt in URB");
 402                 }
 403                 //now register the cntrl interface.
 404                 //after downloading the f/w waiting for 5 sec to get the mailbox interrupt.
 405
 406                 psIntfAdapter->psAdapter->waiting_to_fw_download_done = FALSE;
 407                 value = wait_event_timeout(psIntfAdapter->psAdapter->ioctl_fw_dnld_wait_queue,
 408                                         psIntfAdapter->psAdapter->waiting_to_fw_download_done, 5*HZ);
 409
 410                 if(value == 0)
 411                 {
 412                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Mailbox Interrupt has not reached to Driver..");
 413                 }
 414                 else
 415                 {
 416                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Got the mailbox interrupt ...Registering control interface...\n ");
 417                 }
 418                 if(register_control_device_interface(psIntfAdapter->psAdapter) < 0)
 419                 {
 420                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Register Control Device failed...");
 421                         return -EIO;
 422                 }
 423         }
 424         return 0;
 425 }
 426
 427 #if 0
 428 static void     print_usb_interface_desc(struct usb_interface_descriptor *usb_intf_desc)
 429 {
 430                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "**************** INTERFACE DESCRIPTOR *********************");
 431                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bLength: %x", usb_intf_desc->bLength);
 432                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bDescriptorType: %x", usb_intf_desc->bDescriptorType);
 433                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bInterfaceNumber: %x", usb_intf_desc->bInterfaceNumber);
 434                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bAlternateSetting: %x", usb_intf_desc->bAlternateSetting);
 435                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bNumEndpoints: %x", usb_intf_desc->bNumEndpoints);
 436                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bInterfaceClass: %x", usb_intf_desc->bInterfaceClass);
 437                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bInterfaceSubClass: %x", usb_intf_desc->bInterfaceSubClass);
 438                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bInterfaceProtocol: %x", usb_intf_desc->bInterfaceProtocol);
 439                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "iInterface :%x\n",usb_intf_desc->iInterface);
 440 }
 441 static void     print_usb_endpoint_descriptor(struct usb_endpoint_descriptor *usb_ep_desc)
 442 {
 443                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "**************** ENDPOINT DESCRIPTOR *********************");
 444                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bLength  :%x ", usb_ep_desc->bLength);
 445                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bDescriptorType  :%x ", usb_ep_desc->bDescriptorType);
 446                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bEndpointAddress  :%x ", usb_ep_desc->bEndpointAddress);
 447                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bmAttributes  :%x ", usb_ep_desc->bmAttributes);
 448                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "wMaxPacketSize  :%x ",usb_ep_desc->wMaxPacketSize);
 449                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bInterval  :%x ",usb_ep_desc->bInterval);
 450 }
 451
 452 #endif
 453
 454 static inline int bcm_usb_endpoint_num(const struct usb_endpoint_descriptor *epd)
 455 {
 456         return epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
 457 }
 458
 459 static inline int bcm_usb_endpoint_type(const struct usb_endpoint_descriptor *epd)
 460 {
 461         return epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
 462 }
 463
 464 static inline int bcm_usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd)
 465 {
 466         return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN);
 467 }
 468
 469 static inline int bcm_usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd)
 470 {
 471         return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT);
 472 }
 473
 474 static inline int bcm_usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd)
 475 {
 476         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 477                 USB_ENDPOINT_XFER_BULK);
 478 }
 479
 480 static inline int bcm_usb_endpoint_xfer_control(const struct usb_endpoint_descriptor *epd)
 481 {
 482         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 483                 USB_ENDPOINT_XFER_CONTROL);
 484 }
 485
 486 static inline int bcm_usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd)
 487 {
 488         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 489                 USB_ENDPOINT_XFER_INT);
 490 }
 491
 492 static inline int bcm_usb_endpoint_xfer_isoc(const struct usb_endpoint_descriptor *epd)
 493 {
 494         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 495                 USB_ENDPOINT_XFER_ISOC);
 496 }
 497
 498 static inline int bcm_usb_endpoint_is_bulk_in(const struct usb_endpoint_descriptor *epd)
 499 {
 500         return (bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_in(epd));
 501 }
 502
 503 static inline int bcm_usb_endpoint_is_bulk_out(const struct usb_endpoint_descriptor *epd)
 504 {
 505         return (bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_out(epd));
 506 }
 507
 508 static inline int bcm_usb_endpoint_is_int_in(const struct usb_endpoint_descriptor *epd)
 509 {
 510         return (bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_in(epd));
 511 }
 512
 513 static inline int bcm_usb_endpoint_is_int_out(const struct usb_endpoint_descriptor *epd)
 514 {
 515         return (bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_out(epd));
 516 }
 517
 518 static inline int bcm_usb_endpoint_is_isoc_in(const struct usb_endpoint_descriptor *epd)
 519 {
 520         return (bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_in(epd));
 521 }
 522
 523 static inline int bcm_usb_endpoint_is_isoc_out(const struct usb_endpoint_descriptor *epd)
 524 {
 525         return (bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_out(epd));
 526 }
 527
 528 INT InterfaceAdapterInit(PS_INTERFACE_ADAPTER psIntfAdapter)
 529 {
 530         struct usb_host_interface *iface_desc;
 531         struct usb_endpoint_descriptor *endpoint;
 532         size_t buffer_size;
 533         ULONG value;
 534         INT retval = 0;
 535         INT usedIntOutForBulkTransfer = 0 ;
 536         BOOLEAN bBcm16 = FALSE;
 537         UINT uiData = 0;
 538
 539         /* Store the usb dev into interface adapter */
 540         psIntfAdapter->udev = usb_get_dev(interface_to_usbdev(
 541                                                                 psIntfAdapter->interface));
 542
 543         if((psIntfAdapter->udev->speed == USB_SPEED_HIGH))
 544         {
 545                 psIntfAdapter->bHighSpeedDevice = TRUE ;
 546                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "MODEM IS CONFIGURED TO HIGH_SPEED ");
 547         }
 548         else
 549         {
 550                 psIntfAdapter->bHighSpeedDevice = FALSE ;
 551                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "MODEM IS CONFIGURED TO FULL_SPEED ");
 552         }
 553
 554         psIntfAdapter->psAdapter->interface_rdm = BcmRDM;
 555         psIntfAdapter->psAdapter->interface_wrm = BcmWRM;
 556
 557         if(rdmalt(psIntfAdapter->psAdapter, CHIP_ID_REG, (PUINT)&(psIntfAdapter->psAdapter->chip_id), sizeof(UINT)) < 0)
 558         {
 559                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "CHIP ID Read Failed\n");
 560                 return STATUS_FAILURE;
 561         }
 562     if(0xbece3200==(psIntfAdapter->psAdapter->chip_id&~(0xF0)))
 563         {
 564                 psIntfAdapter->psAdapter->chip_id=(psIntfAdapter->psAdapter->chip_id&~(0xF0));
 565         }
 566
 567         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "First RDM Chip ID 0x%lx\n", psIntfAdapter->psAdapter->chip_id);
 568
 569     iface_desc = psIntfAdapter->interface->cur_altsetting;
 570         //print_usb_interface_desc(&(iface_desc->desc));
 571
 572         if(psIntfAdapter->psAdapter->chip_id == T3B)
 573         {
 574
 575                 //
 576                 //T3B device will have EEPROM,check if EEPROM is proper and BCM16 can be done or not.
 577                 //
 578                 BeceemEEPROMBulkRead(psIntfAdapter->psAdapter,&uiData,0x0,4);
 579                 if(uiData == BECM)
 580                 {
 581                         bBcm16 = TRUE;
 582                 }
 583                 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);
 584                 if(bBcm16 == TRUE)
 585                 {
 586                         //selecting alternate setting one as a default setting for High Speed  modem.
 587                         if(psIntfAdapter->bHighSpeedDevice)
 588                                 retval= usb_set_interface(psIntfAdapter->udev,DEFAULT_SETTING_0,ALTERNATE_SETTING_1);
 589                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "BCM16 is Applicable on this dongle");
 590                         if(retval || (psIntfAdapter->bHighSpeedDevice == FALSE))
 591                         {
 592                                 usedIntOutForBulkTransfer = EP2 ;
 593                                 endpoint = &iface_desc->endpoint[EP2].desc;
 594                                 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");
 595                                 /*
 596                                 If Modem is high speed device EP2 should be INT OUT End point
 597                                 If Mode is FS then EP2 should be bulk end point
 598                                 */
 599                                 if(((psIntfAdapter->bHighSpeedDevice ==TRUE ) && (bcm_usb_endpoint_is_int_out(endpoint)== FALSE))
 600                                         ||((psIntfAdapter->bHighSpeedDevice == FALSE)&& (bcm_usb_endpoint_is_bulk_out(endpoint)== FALSE)))
 601                                 {
 602                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Configuring the EEPROM ");
 603                                         //change the EP2, EP4 to INT OUT end point
 604                                         ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
 605
 606                                         /*
 607                                         It resets the device and if any thing gets changed in USB descriptor it will show fail and
 608                                         re-enumerate the device
 609                                         */
 610                                         retval = usb_reset_device(psIntfAdapter->udev);
 611                                         if(retval)
 612                                         {
 613                                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "reset got failed. hence Re-enumerating the device \n");
 614                                                 return retval ;
 615                                         }
 616
 617                                 }
 618                                 if((psIntfAdapter->bHighSpeedDevice == FALSE) && bcm_usb_endpoint_is_bulk_out(endpoint))
 619                                 {
 620                                         // Once BULK is selected in FS mode. Revert it back to INT. Else USB_IF will fail.
 621                                         UINT _uiData = ntohl(EP2_CFG_INT);
 622                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Reverting Bulk to INT as it is FS MODE");
 623                                         BeceemEEPROMBulkWrite(psIntfAdapter->psAdapter,(PUCHAR)&_uiData,0x136,4,TRUE);
 624                                 }
 625                         }
 626                         else
 627                         {
 628                                 usedIntOutForBulkTransfer = EP4 ;
 629                                 endpoint = &iface_desc->endpoint[EP4].desc;
 630                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Choosing AltSetting as a default setting");
 631                                 if( bcm_usb_endpoint_is_int_out(endpoint) == FALSE)
 632                                 {
 633                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, " Dongle does not have BCM16 Fix");
 634                                         //change the EP2, EP4 to INT OUT end point and use EP4 in altsetting
 635                                         ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
 636
 637                                         /*
 638                                         It resets the device and if any thing gets changed in USB descriptor it will show fail and
 639                                         re-enumerate the device
 640                                         */
 641                                         retval = usb_reset_device(psIntfAdapter->udev);
 642                                         if(retval)
 643                                         {
 644                                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "reset got failed. hence Re-enumerating the device \n");
 645                                                 return retval ;
 646                                         }
 647
 648                                 }
 649                         }
 650                 }
 651         }
 652
 653         iface_desc = psIntfAdapter->interface->cur_altsetting;
 654         //print_usb_interface_desc(&(iface_desc->desc));
 655         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Current number of endpoints :%x \n", iface_desc->desc.bNumEndpoints);
 656     for (value = 0; value < iface_desc->desc.bNumEndpoints; ++value)
 657         {
 658         endpoint = &iface_desc->endpoint[value].desc;
 659                 //print_usb_endpoint_descriptor(endpoint);
 660
 661         if (!psIntfAdapter->sBulkIn.bulk_in_endpointAddr && bcm_usb_endpoint_is_bulk_in(endpoint))
 662         {
 663             buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 664             psIntfAdapter->sBulkIn.bulk_in_size = buffer_size;
 665             psIntfAdapter->sBulkIn.bulk_in_endpointAddr =
 666                                                                 endpoint->bEndpointAddress;
 667                 psIntfAdapter->sBulkIn.bulk_in_pipe =
 668                                         usb_rcvbulkpipe(psIntfAdapter->udev,
 669                                                                 psIntfAdapter->sBulkIn.bulk_in_endpointAddr);
 670         }
 671
 672         if (!psIntfAdapter->sBulkOut.bulk_out_endpointAddr && bcm_usb_endpoint_is_bulk_out(endpoint))
 673         {
 674
 675                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr =
 676                                                                                 endpoint->bEndpointAddress;
 677                 psIntfAdapter->sBulkOut.bulk_out_pipe =
 678                         usb_sndbulkpipe(psIntfAdapter->udev,
 679                                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
 680         }
 681
 682         if (!psIntfAdapter->sIntrIn.int_in_endpointAddr && bcm_usb_endpoint_is_int_in(endpoint))
 683         {
 684             buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 685             psIntfAdapter->sIntrIn.int_in_size = buffer_size;
 686             psIntfAdapter->sIntrIn.int_in_endpointAddr =
 687                                                                 endpoint->bEndpointAddress;
 688             psIntfAdapter->sIntrIn.int_in_interval = endpoint->bInterval;
 689             psIntfAdapter->sIntrIn.int_in_buffer =
 690                                                 kmalloc(buffer_size, GFP_KERNEL);
 691             if (!psIntfAdapter->sIntrIn.int_in_buffer) {
 692                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Could not allocate interrupt_in_buffer");
 693                 return -EINVAL;
 694             }
 695                         //psIntfAdapter->sIntrIn.int_in_pipe =
 696         }
 697
 698         if (!psIntfAdapter->sIntrOut.int_out_endpointAddr && bcm_usb_endpoint_is_int_out(endpoint))
 699         {
 700
 701                         if( !psIntfAdapter->sBulkOut.bulk_out_endpointAddr &&
 702                                 (psIntfAdapter->psAdapter->chip_id == T3B) && (value == usedIntOutForBulkTransfer))
 703                         {
 704                                 //use first intout end point as a bulk out end point
 705                 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 706                 psIntfAdapter->sBulkOut.bulk_out_size = buffer_size;
 707                                 //printk("\nINT OUT Endpoing buffer size :%x endpoint :%x\n", buffer_size, value +1);
 708                                 psIntfAdapter->sBulkOut.bulk_out_endpointAddr =
 709                                                                                 endpoint->bEndpointAddress;
 710                         psIntfAdapter->sBulkOut.bulk_out_pipe =
 711                                 usb_sndintpipe(psIntfAdapter->udev,
 712                                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
 713                         psIntfAdapter->sBulkOut.int_out_interval = endpoint->bInterval;
 714
 715                         }
 716                         else if(value == EP6)
 717                         {
 718                     buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 719                     psIntfAdapter->sIntrOut.int_out_size = buffer_size;
 720                     psIntfAdapter->sIntrOut.int_out_endpointAddr =
 721                                                                                 endpoint->bEndpointAddress;
 722                     psIntfAdapter->sIntrOut.int_out_interval = endpoint->bInterval;
 723                     psIntfAdapter->sIntrOut.int_out_buffer= kmalloc(buffer_size,
 724                                                                                                                 GFP_KERNEL);
 725                         if (!psIntfAdapter->sIntrOut.int_out_buffer)
 726                                         {
 727                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Could not allocate interrupt_out_buffer");
 728                         return -EINVAL;
 729             }
 730         }
 731     }
 732         }
 733     usb_set_intfdata(psIntfAdapter->interface, psIntfAdapter);
 734     retval = usb_register_dev(psIntfAdapter->interface, &usbbcm_class);
 735         if(retval)
 736         {
 737                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "usb register dev failed = %d", retval);
 738                 psIntfAdapter->psAdapter->bUsbClassDriverRegistered = FALSE;
 739                 return retval;
 740         }
 741         else
 742         {
 743                 psIntfAdapter->psAdapter->bUsbClassDriverRegistered = TRUE;
 744                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "usb dev registered");
 745         }
 746
 747         psIntfAdapter->psAdapter->bcm_file_download = InterfaceFileDownload;
 748         psIntfAdapter->psAdapter->bcm_file_readback_from_chip =
 749                                 InterfaceFileReadbackFromChip;
 750         psIntfAdapter->psAdapter->interface_transmit = InterfaceTransmitPacket;
 751
 752         retval = CreateInterruptUrb(psIntfAdapter);
 753
 754         if(retval)
 755         {
 756                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cannot create interrupt urb");
 757                 return retval;
 758         }
 759
 760         retval = AllocUsbCb(psIntfAdapter);
 761         if(retval)
 762         {
 763                 return retval;
 764         }
 765
 766
 767         retval = device_run(psIntfAdapter);
 768         if(retval)
 769         {
 770                 return retval;
 771         }
 772
 773
 774         return 0;
 775 }
 776
 777 static int InterfaceSuspend (struct usb_interface *intf, pm_message_t message)
 778 {
 779         PS_INTERFACE_ADAPTER  psIntfAdapter = usb_get_intfdata(intf);
 780         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "=================================\n");
 781         //Bcm_kill_all_URBs(psIntfAdapter);
 782         psIntfAdapter->bSuspended = TRUE;
 783
 784         if(TRUE == psIntfAdapter->bPreparingForBusSuspend)
 785         {
 786                 psIntfAdapter->bPreparingForBusSuspend = FALSE;
 787
 788                 if(psIntfAdapter->psAdapter->LinkStatus == LINKUP_DONE)
 789                 {
 790                         psIntfAdapter->psAdapter->IdleMode = TRUE ;
 791                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Host Entered in PMU Idle Mode..");
 792                 }
 793                 else
 794                 {
 795                         psIntfAdapter->psAdapter->bShutStatus = TRUE;
 796                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Host Entered in PMU Shutdown Mode..");
 797                 }
 798         }
 799         psIntfAdapter->psAdapter->bPreparingForLowPowerMode = FALSE;
 800
 801         //Signaling the control pkt path
 802         wake_up(&psIntfAdapter->psAdapter->lowpower_mode_wait_queue);
 803
 804         return 0;
 805 }
 806
 807 static int InterfaceResume (struct usb_interface *intf)
 808 {
 809     PS_INTERFACE_ADAPTER  psIntfAdapter = usb_get_intfdata(intf);
 810         printk("=================================\n");
 811         mdelay(100);
 812 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 32)
 813         intf->pm_usage_cnt =1 ;
 814 #endif
 815         psIntfAdapter->bSuspended = FALSE;
 816
 817         StartInterruptUrb(psIntfAdapter);
 818         InterfaceRx(psIntfAdapter);
 819         return 0;
 820 }
 821
 822 static struct usb_driver usbbcm_driver = {
 823     .name = "usbbcm",
 824     .probe = usbbcm_device_probe,
 825     .disconnect = usbbcm_disconnect,
 826     .suspend = InterfaceSuspend,
 827     .resume = InterfaceResume,
 828     .id_table = InterfaceUsbtable,
 829     .supports_autosuspend = 1,
 830 };
 831
 832
 833 /*
 834 Function:                               InterfaceInitialize
 835
 836 Description:                    This is the hardware specific initialization Function.
 837                                                 Registering the driver with NDIS , other device specific NDIS
 838                                                 and hardware initializations are done here.
 839
 840 Input parameters:               IN PMINI_ADAPTER Adapter   - Miniport Adapter Context
 841
 842
 843 Return:                                 BCM_STATUS_SUCCESS - If Initialization of the
 844                                                 HW Interface was successful.
 845                                                 Other           - If an error occured.
 846 */
 847 INT InterfaceInitialize(void)
 848 {
 849 //      BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Registering Usb driver!!");
 850         return usb_register(&usbbcm_driver);
 851 }
 852
 853 INT InterfaceExit(void)
 854 {
 855         //PMINI_ADAPTER psAdapter = NULL;
 856         int status = 0;
 857
 858         //BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Deregistering Usb driver!!");
 859         usb_deregister(&usbbcm_driver);
 860         return status;
 861 }