drivers/staging/bcm/InterfaceDld.c

   1 #include "headers.h"
   2
   3 int InterfaceFileDownload(PVOID arg, struct file *flp, unsigned int on_chip_loc)
   4 {
   5         /* unsigned int reg = 0; */
   6         mm_segment_t oldfs = {0};
   7         int errno = 0, len = 0; /* ,is_config_file = 0 */
   8         loff_t pos = 0;
   9         struct bcm_interface_adapter *psIntfAdapter = (struct bcm_interface_adapter *)arg;
  10         /* struct bcm_mini_adapter *Adapter = psIntfAdapter->psAdapter; */
  11         char *buff = kmalloc(MAX_TRANSFER_CTRL_BYTE_USB, GFP_KERNEL);
  12
  13         if (!buff)
  14                 return -ENOMEM;
  15
  16         while (1) {
  17                 oldfs = get_fs();
  18                 set_fs(get_ds());
  19                 len = vfs_read(flp, (void __force __user *)buff,
  20                         MAX_TRANSFER_CTRL_BYTE_USB, &pos);
  21                 set_fs(oldfs);
  22                 if (len <= 0) {
  23                         if (len < 0) {
  24                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
  25                                                 DBG_TYPE_INITEXIT, MP_INIT,
  26                                                 DBG_LVL_ALL, "len < 0");
  27                                 errno = len;
  28                         } else {
  29                                 errno = 0;
  30                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
  31                                                 DBG_TYPE_INITEXIT, MP_INIT,
  32                                                 DBG_LVL_ALL,
  33                                                 "Got end of file!");
  34                         }
  35                         break;
  36                 }
  37                 /* BCM_DEBUG_PRINT_BUFFER(Adapter,DBG_TYPE_INITEXIT, MP_INIT,
  38                  *                        DBG_LVL_ALL, buff,
  39                  *                        MAX_TRANSFER_CTRL_BYTE_USB);
  40                  */
  41                 errno = InterfaceWRM(psIntfAdapter, on_chip_loc, buff, len);
  42                 if (errno) {
  43                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
  44                                         DBG_TYPE_PRINTK, 0, 0,
  45                                         "WRM Failed! status: %d", errno);
  46                         break;
  47                 }
  48                 on_chip_loc += MAX_TRANSFER_CTRL_BYTE_USB;
  49         }
  50
  51         kfree(buff);
  52         return errno;
  53 }
  54
  55 int InterfaceFileReadbackFromChip(PVOID arg, struct file *flp, unsigned int on_chip_loc)
  56 {
  57         char *buff, *buff_readback;
  58         unsigned int reg = 0;
  59         mm_segment_t oldfs = {0};
  60         int errno = 0, len = 0, is_config_file = 0;
  61         loff_t pos = 0;
  62         static int fw_down;
  63         INT Status = STATUS_SUCCESS;
  64         struct bcm_interface_adapter *psIntfAdapter = (struct bcm_interface_adapter *)arg;
  65         int bytes;
  66
  67         buff = kmalloc(MAX_TRANSFER_CTRL_BYTE_USB, GFP_DMA);
  68         buff_readback = kmalloc(MAX_TRANSFER_CTRL_BYTE_USB , GFP_DMA);
  69         if (!buff || !buff_readback) {
  70                 kfree(buff);
  71                 kfree(buff_readback);
  72
  73                 return -ENOMEM;
  74         }
  75
  76         is_config_file = (on_chip_loc == CONFIG_BEGIN_ADDR) ? 1 : 0;
  77
  78         memset(buff_readback, 0, MAX_TRANSFER_CTRL_BYTE_USB);
  79         memset(buff, 0, MAX_TRANSFER_CTRL_BYTE_USB);
  80         while (1) {
  81                 oldfs = get_fs();
  82                 set_fs(get_ds());
  83                 len = vfs_read(flp, (void __force __user *)buff, MAX_TRANSFER_CTRL_BYTE_USB, &pos);
  84                 set_fs(oldfs);
  85                 fw_down++;
  86
  87                 if (len <= 0) {
  88                         if (len < 0) {
  89                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "len < 0");
  90                                 errno = len;
  91                         } else {
  92                                 errno = 0;
  93                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Got end of file!");
  94                         }
  95                         break;
  96                 }
  97
  98                 bytes = InterfaceRDM(psIntfAdapter, on_chip_loc, buff_readback, len);
  99                 if (bytes < 0) {
 100                         Status = bytes;
 101                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "RDM of len %d Failed! %d", len, reg);
 102                         goto exit;
 103                 }
 104                 reg++;
 105                 if ((len-sizeof(unsigned int)) < 4) {
 106                         if (memcmp(buff_readback, buff, len)) {
 107                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Firmware Download is not proper %d", fw_down);
 108                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Length is: %d", len);
 109                                 Status = -EIO;
 110                                 goto exit;
 111                         }
 112                 } else {
 113                         len -= 4;
 114
 115                         while (len) {
 116                                 if (*(unsigned int *)&buff_readback[len] != *(unsigned int *)&buff[len]) {
 117                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Firmware Download is not proper %d", fw_down);
 118                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Val from Binary %x, Val From Read Back %x ", *(unsigned int *)&buff[len], *(unsigned int*)&buff_readback[len]);
 119                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "len =%x!!!", len);
 120                                         Status = -EIO;
 121                                         goto exit;
 122                                 }
 123                                 len -= 4;
 124                         }
 125                 }
 126                 on_chip_loc += MAX_TRANSFER_CTRL_BYTE_USB;
 127         } /* End of while(1) */
 128
 129 exit:
 130         kfree(buff);
 131         kfree(buff_readback);
 132         return Status;
 133 }
 134
 135 static int bcm_download_config_file(struct bcm_mini_adapter *Adapter, struct bcm_firmware_info *psFwInfo)
 136 {
 137         int retval = STATUS_SUCCESS;
 138         B_UINT32 value = 0;
 139
 140         if (Adapter->pstargetparams == NULL) {
 141                 Adapter->pstargetparams = kmalloc(sizeof(struct bcm_target_params), GFP_KERNEL);
 142                 if (Adapter->pstargetparams == NULL)
 143                         return -ENOMEM;
 144         }
 145
 146         if (psFwInfo->u32FirmwareLength != sizeof(struct bcm_target_params))
 147                 return -EIO;
 148
 149         retval = copy_from_user(Adapter->pstargetparams, psFwInfo->pvMappedFirmwareAddress, psFwInfo->u32FirmwareLength);
 150         if (retval) {
 151                 kfree(Adapter->pstargetparams);
 152                 Adapter->pstargetparams = NULL;
 153                 return -EFAULT;
 154         }
 155
 156         /* Parse the structure and then Download the Firmware */
 157         beceem_parse_target_struct(Adapter);
 158
 159         /* Initializing the NVM. */
 160         BcmInitNVM(Adapter);
 161         retval = InitLedSettings(Adapter);
 162
 163         if (retval) {
 164                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "INIT LED Failed\n");
 165                 return retval;
 166         }
 167
 168         if (Adapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY) {
 169                 Adapter->LEDInfo.bLedInitDone = FALSE;
 170                 Adapter->DriverState = DRIVER_INIT;
 171                 wake_up(&Adapter->LEDInfo.notify_led_event);
 172         }
 173
 174         if (Adapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY) {
 175                 Adapter->DriverState = FW_DOWNLOAD;
 176                 wake_up(&Adapter->LEDInfo.notify_led_event);
 177         }
 178
 179         /* Initialize the DDR Controller */
 180         retval = ddr_init(Adapter);
 181         if (retval) {
 182                 BCM_DEBUG_PRINT (Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "DDR Init Failed\n");
 183                 return retval;
 184         }
 185
 186         value = 0;
 187         wrmalt(Adapter, EEPROM_CAL_DATA_INTERNAL_LOC - 4, &value, sizeof(value));
 188         wrmalt(Adapter, EEPROM_CAL_DATA_INTERNAL_LOC - 8, &value, sizeof(value));
 189
 190         if (Adapter->eNVMType == NVM_FLASH) {
 191                 retval = PropagateCalParamsFromFlashToMemory(Adapter);
 192                 if (retval) {
 193                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "propagaion of cal param failed with status :%d", retval);
 194                         return retval;
 195                 }
 196         }
 197
 198         retval = buffDnldVerify(Adapter, (PUCHAR)Adapter->pstargetparams, sizeof(struct bcm_target_params), CONFIG_BEGIN_ADDR);
 199
 200         if (retval)
 201                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "configuration file not downloaded properly");
 202         else
 203                 Adapter->bCfgDownloaded = TRUE;
 204
 205         return retval;
 206 }
 207
 208 int bcm_ioctl_fw_download(struct bcm_mini_adapter *Adapter, struct bcm_firmware_info *psFwInfo)
 209 {
 210         int retval = STATUS_SUCCESS;
 211         PUCHAR buff = NULL;
 212
 213         /* Config File is needed for the Driver to download the Config file and
 214          * Firmware. Check for the Config file to be first to be sent from the
 215          * Application
 216          */
 217         atomic_set(&Adapter->uiMBupdate, FALSE);
 218         if (!Adapter->bCfgDownloaded && psFwInfo->u32StartingAddress != CONFIG_BEGIN_ADDR) {
 219                 /* Can't Download Firmware. */
 220                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Download the config File first\n");
 221                 return -EINVAL;
 222         }
 223
 224         /* If Config File, Finish the DDR Settings and then Download CFG File */
 225         if (psFwInfo->u32StartingAddress == CONFIG_BEGIN_ADDR) {
 226                 retval = bcm_download_config_file(Adapter, psFwInfo);
 227         } else {
 228                 buff = kzalloc(psFwInfo->u32FirmwareLength, GFP_KERNEL);
 229                 if (buff == NULL) {
 230                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Failed in allocation memory");
 231                         return -ENOMEM;
 232                 }
 233
 234                 retval = copy_from_user(buff, psFwInfo->pvMappedFirmwareAddress, psFwInfo->u32FirmwareLength);
 235                 if (retval != STATUS_SUCCESS) {
 236                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "copying buffer from user space failed");
 237                         retval = -EFAULT;
 238                         goto error;
 239                 }
 240
 241                 retval = buffDnldVerify(Adapter,
 242                                         buff,
 243                                         psFwInfo->u32FirmwareLength,
 244                                         psFwInfo->u32StartingAddress);
 245
 246                 if (retval != STATUS_SUCCESS) {
 247                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "f/w download failed status :%d", retval);
 248                         goto error;
 249                 }
 250         }
 251
 252 error:
 253         kfree(buff);
 254         return retval;
 255 }
 256
 257 static INT buffDnld(struct bcm_mini_adapter *Adapter, PUCHAR mappedbuffer, UINT u32FirmwareLength, ULONG u32StartingAddress)
 258 {
 259         unsigned int len = 0;
 260         int retval = STATUS_SUCCESS;
 261         len = u32FirmwareLength;
 262
 263         while (u32FirmwareLength) {
 264                 len = MIN_VAL(u32FirmwareLength, MAX_TRANSFER_CTRL_BYTE_USB);
 265                 retval = wrm(Adapter, u32StartingAddress, mappedbuffer, len);
 266
 267                 if (retval) {
 268                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "wrm failed with status :%d", retval);
 269                         break;
 270                 }
 271                 u32StartingAddress += len;
 272                 u32FirmwareLength -= len;
 273                 mappedbuffer += len;
 274         }
 275         return retval;
 276 }
 277
 278 static INT buffRdbkVerify(struct bcm_mini_adapter *Adapter, PUCHAR mappedbuffer, UINT u32FirmwareLength, ULONG u32StartingAddress)
 279 {
 280         UINT len = u32FirmwareLength;
 281         INT retval = STATUS_SUCCESS;
 282         PUCHAR readbackbuff = kzalloc(MAX_TRANSFER_CTRL_BYTE_USB, GFP_KERNEL);
 283         int bytes;
 284
 285         if (NULL == readbackbuff) {
 286                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "MEMORY ALLOCATION FAILED");
 287                 return -ENOMEM;
 288         }
 289
 290         while (u32FirmwareLength && !retval) {
 291                 len = MIN_VAL(u32FirmwareLength, MAX_TRANSFER_CTRL_BYTE_USB);
 292                 bytes = rdm(Adapter, u32StartingAddress, readbackbuff, len);
 293
 294                 if (bytes < 0) {
 295                         retval = bytes;
 296                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "rdm failed with status %d", retval);
 297                         break;
 298                 }
 299
 300                 if (memcmp(readbackbuff, mappedbuffer, len) != 0) {
 301                         pr_err("%s() failed.  The firmware doesn't match what was written",
 302                                __func__);
 303                         retval = -EIO;
 304                 }
 305
 306                 u32StartingAddress += len;
 307                 u32FirmwareLength -= len;
 308                 mappedbuffer += len;
 309
 310         } /* end of while (u32FirmwareLength && !retval) */
 311         kfree(readbackbuff);
 312         return retval;
 313 }
 314
 315 INT buffDnldVerify(struct bcm_mini_adapter *Adapter, unsigned char *mappedbuffer, unsigned int u32FirmwareLength, unsigned long u32StartingAddress)
 316 {
 317         INT status = STATUS_SUCCESS;
 318
 319         status = buffDnld(Adapter, mappedbuffer, u32FirmwareLength, u32StartingAddress);
 320         if (status != STATUS_SUCCESS) {
 321                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Buffer download failed");
 322                 goto error;
 323         }
 324
 325         status = buffRdbkVerify(Adapter, mappedbuffer, u32FirmwareLength, u32StartingAddress);
 326         if (status != STATUS_SUCCESS) {
 327                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Buffer readback verifier failed");
 328                 goto error;
 329         }
 330 error:
 331         return status;
 332 }