static int bml_block_open(struct block_device *bdev, fmode_t mode)
{
u32 volume, minor;
int ret;
minor = MINOR(bdev->bd_dev);
#else
static int bml_block_open(struct inode *inode, struct file *file)
{
u32 volume, minor;
int ret;
minor = MINOR(inode->i_rdev);
#endif
volume = fsr_vol(minor);
DEBUG(DL3,"TINY[I]: volume(%d), minor(%d)\n", volume, minor);
if (volume >= FSR_MAX_VOLUMES)
{
ERRPRINTK("TINY: Out of volume range\n");
return -ENODEV;
}
ret = FSR_BML_Open(volume, FSR_BML_FLAG_NONE);
if (ret != FSR_BML_SUCCESS)
{
ERRPRINTK("TINY: open error = 0x%x\n", ret);
return -ENODEV;
}
DEBUG(DL3,"TINY[O]: volume(%d), minor(%d)\n", volume, minor);
return 0;
}
int storage_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg)
{
int dgs_block_offset = 2047;
#ifdef CONFIG_TARGET_LOCALE_KOR
if (HWREV >= 12) /* uses 8G OneNAND*/
dgs_block_offset = 4095;
#endif
printk("Storage Device ioctl -> cmd : %08X, arg : %08X \n", cmd, arg);
switch (cmd) {
case STORAGE_READ_DGS:
{
int nRet;
unsigned char aDGSBuf[4096]; /* DGS Info Cache */
if (FSR_BML_Open(0, FSR_BML_FLAG_NONE) != FSR_BML_SUCCESS)
{
printk("BML_Open Error !!\n");
while(1);
}
/* Acquire SM */
FSR_BML_AcquireSM(0);
/*
* Read DGS Page
* Read 5th Page of 2047 Block
*/
#ifdef CONFIG_USE_KMALLOC
/*
* Modified for FSR Read DMA
* Use kmalloc buffer to read data by using FSR_BML_Read
*/
unsigned char *temp = kmalloc(4096, GFP_KERNEL);
nRet = FSR_OND_4K_Read(0, dgs_block_offset, 5, temp, NULL, FSR_LLD_FLAG_ECC_OFF);
memcpy(aDGSBuf, temp, sizeof(aDGSBuf));
kfree(temp);
#else
nRet = FSR_OND_4K_Read(0, dgs_block_offset, 5, aDGSBuf, NULL, FSR_LLD_FLAG_ECC_OFF);
#endif
/* Release SM*/
FSR_BML_ReleaseSM(0);
if(nRet != FSR_LLD_SUCCESS)
{
printk("Reading DGS information failed !!\n");
while(1);
}
return copy_to_user((char *) arg, (char *) aDGSBuf, sizeof (aDGSBuf));
}
default:
break;
}
return 0x53;
}
