u32 ddl_device_init(struct ddl_init_config *ddl_init_config,
	void *client_data)
{
	struct ddl_context *ddl_context;
	struct res_trk_firmware_addr firmware_addr;
	u32 status = VCD_S_SUCCESS, memorytype = PMEM_MEMTYPE;
	void *ptr = NULL;
	DDL_MSG_HIGH("ddl_device_init");

	if ((!ddl_init_config) || (!ddl_init_config->ddl_callback) ||
		(!ddl_init_config->core_virtual_base_addr)) {
		DDL_MSG_ERROR("ddl_dev_init:Bad_argument");
		return VCD_ERR_ILLEGAL_PARM;
	}
	ddl_context = ddl_get_context();
	if (DDL_IS_INITIALIZED(ddl_context)) {
		DDL_MSG_ERROR("ddl_dev_init:Multiple_init");
		return VCD_ERR_ILLEGAL_OP;
	}
	if (!DDL_IS_IDLE(ddl_context)) {
		DDL_MSG_ERROR("ddl_dev_init:Ddl_busy");
		return VCD_ERR_BUSY;
	}
	memset(ddl_context, 0, sizeof(struct ddl_context));
	DDL_BUSY(ddl_context);
	ddl_context->ddl_callback = ddl_init_config->ddl_callback;
	if (ddl_init_config->interrupt_clr)
		ddl_context->interrupt_clr =
			ddl_init_config->interrupt_clr;
	ddl_context->core_virtual_base_addr =
		ddl_init_config->core_virtual_base_addr;
	ddl_context->client_data = client_data;
	ddl_context->ddl_hw_response.arg1 = DDL_INVALID_INTR_STATUS;

	ddl_context->frame_channel_depth = VCD_FRAME_COMMAND_DEPTH;

	DDL_MSG_LOW("%s() : virtual address of core(%x)\n", __func__,
		(u32) ddl_init_config->core_virtual_base_addr);
	vidc_1080p_set_device_base_addr(
		ddl_context->core_virtual_base_addr);
	ddl_context->cmd_state =	DDL_CMD_INVALID;
	ddl_client_transact(DDL_INIT_CLIENTS, NULL);
	ddl_context->fw_memory_size =
		DDL_FW_INST_GLOBAL_CONTEXT_SPACE_SIZE;
	if (memorytype == PMEM_MEMTYPE_SMI) {
		ptr = ddl_pmem_alloc(&ddl_context->dram_base_a,
			ddl_context->fw_memory_size, DDL_KILO_BYTE(128));
	} else {
		if (!res_trk_get_firmware_addr(&firmware_addr) &&
		   firmware_addr.buf_size >= ddl_context->fw_memory_size) {
			if (DDL_ADDR_IS_ALIGNED(firmware_addr.device_addr,
				DDL_KILO_BYTE(128))) {
				ptr = (void *) firmware_addr.base_addr;
				ddl_context->dram_base_a.physical_base_addr =
				ddl_context->dram_base_a.align_physical_addr =
					(u8 *)firmware_addr.device_addr;
				ddl_context->dram_base_a.align_virtual_addr  =
				ddl_context->dram_base_a.virtual_base_addr =
					firmware_addr.base_addr;
				ddl_context->dram_base_a.buffer_size =
					ddl_context->fw_memory_size;
			} else {
				DDL_MSG_ERROR("firmware base not aligned %p",
					(void *)firmware_addr.device_addr);
			}
		}
	}
	if (!ptr) {
		DDL_MSG_ERROR("Memory Aocation Failed for FW Base");
		status = VCD_ERR_ALLOC_FAIL;
	} else {
		DDL_MSG_LOW("%s() : physical address of base(%x)\n",
			 __func__, (u32) ddl_context->dram_base_a.\
			align_physical_addr);
		ddl_context->dram_base_b.align_physical_addr =
			ddl_context->dram_base_a.align_physical_addr;
		ddl_context->dram_base_b.align_virtual_addr  =
			ddl_context->dram_base_a.align_virtual_addr;
	}
	if (!status) {
		ptr = ddl_pmem_alloc(&ddl_context->metadata_shared_input,
			DDL_METADATA_TOTAL_INPUTBUFSIZE,
			DDL_LINEAR_BUFFER_ALIGN_BYTES);
		if (!ptr) {
			DDL_MSG_ERROR("ddl_device_init: metadata alloc fail");
			status = VCD_ERR_ALLOC_FAIL;
		}
	}
	if (!status && !ddl_fw_init(&ddl_context->dram_base_a)) {
		DDL_MSG_ERROR("ddl_dev_init:fw_init_failed");
		status = VCD_ERR_ALLOC_FAIL;
	}
	if (!status && memorytype == PMEM_MEMTYPE_EBI1)
		clean_caches((unsigned long)firmware_addr.base_addr,
		firmware_addr.buf_size,	firmware_addr.device_addr);

	if (!status) {
		ddl_context->cmd_state = DDL_CMD_DMA_INIT;
		ddl_vidc_core_init(ddl_context);
	} else {
//.........这里部分代码省略.........