static int rkusb_reinit_req( struct rkusb_dev *dev,struct usb_ep* ep_in,struct usb_ep* ep_out )
{
__rkusb_free_ep_req( dev->ep_in, dev->req_in );
if( !ep_in )
return 0;
dev->req_in = __rkusb_init_ep_req(dev, ep_in);
dev->ep_in = ep_in;
if( !dev->req_in )
return -ENOMEM;
dev->req_in->complete = rkusb_complete_in;
#if 0
buf = __rkusb_free_ep_req( dev->ep_out, dev->req_out);
dev->req_out = __rkusb_init_ep_req(dev, ep_out , buf );
dev->ep_out = ep_out;
if( !dev->req_out ) {
if( buf )
kfree( buf );
buf = __rkusb_free_ep_req( dev->ep_in, dev->req_in );
if( buf )
kfree( buf );
return -ENOMEM;
}
dev->req_out->complete = rkusb_complete_out;
DEV_LENGTH(dev) = RKUSB_BULK_CB_WRAP_LEN;
rkusb_get_cb( dev , DEV_LENGTH(dev) );
#endif
return 0;
}
/*
* 20091221,add file offset for large file.
*/
static int rkusb_xfer_file_task( struct rkusb_dev *dev )
{
int nread;
int mount;
int total;
int real_tranfs;
FILE_INFO *fi = (FILE_INFO*)dev->private_tmp;
char *buf_bak;
loff_t pos = DEV_OFFSET(dev);
real_tranfs = mount = __rkusb_rwbuffer_end(dev) -__rkusb_rwbuffer_start(dev);
dev->buf_filled = 0;
fi->error = 0;
total = 0;
if( FI_WRITE(fi) )
buf_bak = rkusb_reset_req_buf(dev->req_out,dev->buf);
else
buf_bak = rkusb_reset_req_buf(dev->req_in,dev->buf);;
for(; ;) {
if (signal_pending(current))
break;
if( FI_WRITE(fi) ) {
if( DEV_LENGTH( dev ) < mount ) {
//mount = DEV_LENGTH( dev ) ;
real_tranfs = DEV_LENGTH( dev ) ;
//rk28printk("vfs r/w last pack , len =0x%x\n" , real_tranfs );
}
//rk28printk("total write=0x%x,remain=0x%x,file size=0x%lx,mount=0x%x\n" ,
// total , DEV_LENGTH(dev) , fi->file_size , mount );
#if 1
rkusb_get_data_buffer( dev , mount , rkusb_rw_file_cb );
#else
//__rkusb_set_dest_or_source( dev , rwb->buf );
rkusb_normal_data_xfer_max_size( dev , rkusb_rw_file_cb , mount);
#endif
while( !dev->buf_filled ) {
rkusb_sleep_thread( dev );
}
if( fi->error )
break;
nread = vfs_write(fi->file, dev->buf , real_tranfs ,&pos);
if( nread < 0 ) {
rk28printk("vfs write failed , ret =%d\n" , nread );
fi->error = nread;
} else {
dev->buf_filled = 0;
total += nread;
}
if( DEV_LENGTH( dev ) == 0 )
break;
} else {
//rk28printk("total read=0x%x,remain=0x%x,file size=0x%lx,mount=0x%x\n" ,
// total , DEV_LENGTH(dev) , fi->file_size , mount );
while( dev->buf_filled ) {
rkusb_sleep_thread( dev );
}
if( fi->error )
break;
if( DEV_LENGTH( dev ) == 0 )
break;
nread = vfs_read(fi->file, dev->buf , real_tranfs ,&pos);
if( nread < 0 ) {
rk28printk("vfs read failed , ret =%d\n" , nread );
fi->error = nread;
} else {
dev->buf_filled = 1;
total += nread;
if( nread < real_tranfs && total < fi->file_size ) {
/* 20100115,HSL@RK,set 0 at pc tools */
//rwb->buf[nread] = 0;
//if( real_tranfs - nread > 5 )
// strcpy(rwb->buf+nread+1,"@#$");
nread = real_tranfs;
}
}
//rk28printk("read finish,nread=0x%x,start transfer,real transfer=0x%x\n" ,
// nread , real_tranfs );
#if 1
rkusb_send_data_buffer( dev , nread , rkusb_rw_file_cb );
#else
__rkusb_set_dest_or_source( dev , rwb->buf );
rkusb_normal_data_xfer_max_size( dev , rkusb_rw_file_cb , mount);
#endif
}
}
rk28printk("file transfer finish,error=%d\n" , fi->error );
if( FI_WRITE(fi) ) {
rkusb_reset_req_buf(dev->req_out , buf_bak);
rkusb_get_cb( dev , RKUSB_BULK_CB_WRAP_LEN );
} else
rkusb_reset_req_buf(dev->req_in , buf_bak);
/* close file , free FILE_INFO */
if( !fi->error ) {
fi->error = - FI_ERR_CLEAR;
rkusb_send_csw( dev , RKUSB_STATUS_PASS );
} else {
rkusb_send_csw( dev , RKUSB_STATUS_FAIL );
}
return 0;
}
