- 根目录:
- drivers
- staging
- bcm
- InterfaceDld.c
#include "headers.h"
int InterfaceFileDownload(PVOID arg, struct file *flp, unsigned int on_chip_loc)
{
/* unsigned int reg = 0; */
mm_segment_t oldfs = {0};
int errno = 0, len = 0; /* ,is_config_file = 0 */
loff_t pos = 0;
PS_INTERFACE_ADAPTER psIntfAdapter = (PS_INTERFACE_ADAPTER)arg;
/* PMINI_ADAPTER Adapter = psIntfAdapter->psAdapter; */
char *buff = kmalloc(MAX_TRANSFER_CTRL_BYTE_USB, GFP_KERNEL);
if (!buff)
return -ENOMEM;
while (1) {
oldfs = get_fs();
set_fs(get_ds());
len = vfs_read(flp, (void __force __user *)buff,
MAX_TRANSFER_CTRL_BYTE_USB, &pos);
set_fs(oldfs);
if (len <= 0) {
if (len < 0) {
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
DBG_TYPE_INITEXIT, MP_INIT,
DBG_LVL_ALL, "len < 0");
errno = len;
} else {
errno = 0;
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
DBG_TYPE_INITEXIT, MP_INIT,
DBG_LVL_ALL,
"Got end of file!");
}
break;
}
/* BCM_DEBUG_PRINT_BUFFER(Adapter,DBG_TYPE_INITEXIT, MP_INIT,
* DBG_LVL_ALL, buff,
* MAX_TRANSFER_CTRL_BYTE_USB);
*/
errno = InterfaceWRM(psIntfAdapter, on_chip_loc, buff, len);
if (errno) {
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
DBG_TYPE_PRINTK, 0, 0,
"WRM Failed! status: %d", errno);
break;
}
on_chip_loc += MAX_TRANSFER_CTRL_BYTE_USB;
}
kfree(buff);
return errno;
}
int InterfaceFileReadbackFromChip(PVOID arg, struct file *flp, unsigned int on_chip_loc)
{
char *buff, *buff_readback;
unsigned int reg = 0;
mm_segment_t oldfs = {0};
int errno = 0, len = 0, is_config_file = 0;
loff_t pos = 0;
static int fw_down;
INT Status = STATUS_SUCCESS;
PS_INTERFACE_ADAPTER psIntfAdapter = (PS_INTERFACE_ADAPTER)arg;
int bytes;
buff = kmalloc(MAX_TRANSFER_CTRL_BYTE_USB, GFP_DMA);
buff_readback = kmalloc(MAX_TRANSFER_CTRL_BYTE_USB , GFP_DMA);
if (!buff || !buff_readback) {
kfree(buff);
kfree(buff_readback);
return -ENOMEM;
}
is_config_file = (on_chip_loc == CONFIG_BEGIN_ADDR) ? 1 : 0;
memset(buff_readback, 0, MAX_TRANSFER_CTRL_BYTE_USB);
memset(buff, 0, MAX_TRANSFER_CTRL_BYTE_USB);
while (1) {
oldfs = get_fs();
set_fs(get_ds());
len = vfs_read(flp, (void __force __user *)buff, MAX_TRANSFER_CTRL_BYTE_USB, &pos);
set_fs(oldfs);
fw_down++;
if (len <= 0) {
if (len < 0) {
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "len < 0");
errno = len;
} else {
errno = 0;
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Got end of file!");
}
break;
}
bytes = InterfaceRDM(psIntfAdapter, on_chip_loc, buff_readback, len);
if (bytes < 0) {
Status = bytes;
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "RDM of len %d Failed! %d", len, reg);
goto exit;
}
reg++;
if ((len-sizeof(unsigned int)) < 4) {
if (memcmp(buff_readback, buff, len)) {
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Firmware Download is not proper %d", fw_down);
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Length is: %d", len);
Status = -EIO;
goto exit;
}
} else {
len -= 4;
while (len) {
if (*(unsigned int *)&buff_readback[len] != *(unsigned int *)&buff[len]) {
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Firmware Download is not proper %d", fw_down);
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]);
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "len =%x!!!", len);
Status = -EIO;
goto exit;
}
len -= 4;
}
}
on_chip_loc += MAX_TRANSFER_CTRL_BYTE_USB;
} /* End of while(1) */
exit:
kfree(buff);
kfree(buff_readback);
return Status;
}
static int bcm_download_config_file(PMINI_ADAPTER Adapter, FIRMWARE_INFO *psFwInfo)
{
int retval = STATUS_SUCCESS;
B_UINT32 value = 0;
if (Adapter->pstargetparams == NULL) {
Adapter->pstargetparams = kmalloc(sizeof(STARGETPARAMS), GFP_KERNEL);
if (Adapter->pstargetparams == NULL)
return -ENOMEM;
}
if (psFwInfo->u32FirmwareLength != sizeof(STARGETPARAMS))
return -EIO;
retval = copy_from_user(Adapter->pstargetparams, psFwInfo->pvMappedFirmwareAddress, psFwInfo->u32FirmwareLength);
if (retval) {
kfree(Adapter->pstargetparams);
Adapter->pstargetparams = NULL;
return -EFAULT;
}
/* Parse the structure and then Download the Firmware */
beceem_parse_target_struct(Adapter);
/* Initializing the NVM. */
BcmInitNVM(Adapter);
retval = InitLedSettings(Adapter);
if (retval) {
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "INIT LED Failed\n");
return retval;
}
if (Adapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY) {
Adapter->LEDInfo.bLedInitDone = FALSE;
Adapter->DriverState = DRIVER_INIT;
wake_up(&Adapter->LEDInfo.notify_led_event);
}
if (Adapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY) {
Adapter->DriverState = FW_DOWNLOAD;
wake_up(&Adapter->LEDInfo.notify_led_event);
}
/* Initialize the DDR Controller */
retval = ddr_init(Adapter);
if (retval) {
BCM_DEBUG_PRINT (Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "DDR Init Failed\n");
return retval;
}
value = 0;
wrmalt(Adapter, EEPROM_CAL_DATA_INTERNAL_LOC - 4, &value, sizeof(value));
wrmalt(Adapter, EEPROM_CAL_DATA_INTERNAL_LOC - 8, &value, sizeof(value));
if (Adapter->eNVMType == NVM_FLASH) {
retval = PropagateCalParamsFromFlashToMemory(Adapter);
if (retval) {
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "propagaion of cal param failed with status :%d", retval);
return retval;
}
}
retval = buffDnldVerify(Adapter, (PUCHAR)Adapter->pstargetparams, sizeof(STARGETPARAMS), CONFIG_BEGIN_ADDR);
if (retval)
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "configuration file not downloaded properly");
else
Adapter->bCfgDownloaded = TRUE;
return retval;
}
static int bcm_compare_buff_contents(unsigned char *readbackbuff, unsigned char *buff, unsigned int len)
{
int retval = STATUS_SUCCESS;
PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev);
if ((len-sizeof(unsigned int)) < 4) {
if (memcmp(readbackbuff , buff, len))
retval = -EINVAL;
} else {
len -= 4;
while (len) {
if (*(unsigned int *)&readbackbuff[len] != *(unsigned int *)&buff[len]) {
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Firmware Download is not proper");
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Val from Binary %x, Val From Read Back %x ", *(unsigned int *)&buff[len], *(unsigned int*)&readbackbuff[len]);
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "len =%x!!!", len);
retval = -EINVAL;
break;
}
len -= 4;
}
}
return retval;
}
int bcm_ioctl_fw_download(PMINI_ADAPTER Adapter, FIRMWARE_INFO *psFwInfo)
{
int retval = STATUS_SUCCESS;
PUCHAR buff = NULL;
/* Config File is needed for the Driver to download the Config file and
* Firmware. Check for the Config file to be first to be sent from the
* Application
*/
atomic_set(&Adapter->uiMBupdate, FALSE);
if (!Adapter->bCfgDownloaded && psFwInfo->u32StartingAddress != CONFIG_BEGIN_ADDR) {
/* Can't Download Firmware. */
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Download the config File first\n");
return -EINVAL;
}
/* If Config File, Finish the DDR Settings and then Download CFG File */
if (psFwInfo->u32StartingAddress == CONFIG_BEGIN_ADDR) {
retval = bcm_download_config_file(Adapter, psFwInfo);
} else {
buff = kzalloc(psFwInfo->u32FirmwareLength, GFP_KERNEL);
if (buff == NULL) {
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Failed in allocation memory");
return -ENOMEM;
}
retval = copy_from_user(buff, psFwInfo->pvMappedFirmwareAddress, psFwInfo->u32FirmwareLength);
if (retval != STATUS_SUCCESS) {
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "copying buffer from user space failed");
retval = -EFAULT;
goto error;
}
retval = buffDnldVerify(Adapter,
buff,
psFwInfo->u32FirmwareLength,
psFwInfo->u32StartingAddress);
if (retval != STATUS_SUCCESS) {
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "f/w download failed status :%d", retval);
goto error;
}
}
error:
kfree(buff);
return retval;
}
static INT buffDnld(PMINI_ADAPTER Adapter, PUCHAR mappedbuffer, UINT u32FirmwareLength, ULONG u32StartingAddress)
{
unsigned int len = 0;
int retval = STATUS_SUCCESS;
len = u32FirmwareLength;
while (u32FirmwareLength) {
len = MIN_VAL(u32FirmwareLength, MAX_TRANSFER_CTRL_BYTE_USB);
retval = wrm(Adapter, u32StartingAddress, mappedbuffer, len);
if (retval) {
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "wrm failed with status :%d", retval);
break;
}
u32StartingAddress += len;
u32FirmwareLength -= len;
mappedbuffer += len;
}
return retval;
}
static INT buffRdbkVerify(PMINI_ADAPTER Adapter, PUCHAR mappedbuffer, UINT u32FirmwareLength, ULONG u32StartingAddress)
{
UINT len = u32FirmwareLength;
INT retval = STATUS_SUCCESS;
PUCHAR readbackbuff = kzalloc(MAX_TRANSFER_CTRL_BYTE_USB, GFP_KERNEL);
int bytes;
if (NULL == readbackbuff) {
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "MEMORY ALLOCATION FAILED");
return -ENOMEM;
}
while (u32FirmwareLength && !retval) {
len = MIN_VAL(u32FirmwareLength, MAX_TRANSFER_CTRL_BYTE_USB);
bytes = rdm(Adapter, u32StartingAddress, readbackbuff, len);
if (bytes < 0) {
retval = bytes;
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "rdm failed with status %d", retval);
break;
}
retval = bcm_compare_buff_contents(readbackbuff, mappedbuffer, len);
if (STATUS_SUCCESS != retval)
break;
u32StartingAddress += len;
u32FirmwareLength -= len;
mappedbuffer += len;
} /* end of while (u32FirmwareLength && !retval) */
kfree(readbackbuff);
return retval;
}
INT buffDnldVerify(PMINI_ADAPTER Adapter, unsigned char *mappedbuffer, unsigned int u32FirmwareLength, unsigned long u32StartingAddress)
{
INT status = STATUS_SUCCESS;
status = buffDnld(Adapter, mappedbuffer, u32FirmwareLength, u32StartingAddress);
if (status != STATUS_SUCCESS) {
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Buffer download failed");
goto error;
}
status = buffRdbkVerify(Adapter, mappedbuffer, u32FirmwareLength, u32StartingAddress);
if (status != STATUS_SUCCESS) {
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Buffer readback verifier failed");
goto error;
}
error:
return status;
}