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