/* remap the vpu registers. it should be on any access to vpu registers.  */
static uint32_t* vpu_reg_map(uint32_t offset)
/* remap the vpu registers. it should be on any access to vpu registers.  */
static uint32_t* vpu_reg_map(uint32_t offset)
{
    return (uint32_t *) (offset + (uint32_t) g_vpu_reg_base.virt_addr);
}