nxp/imx-jpeg/mxc-jpeg.c

779 static int mxc_get_free_slot(struct mxc_jpeg_slot_data *slot_data)
781 	if (!slot_data->used)
782 		return slot_data->slot;
790 			  jpeg->slot_data.desc,
791 			  jpeg->slot_data.desc_handle);
792 	jpeg->slot_data.desc = NULL;
793 	jpeg->slot_data.desc_handle = 0;
797 			  jpeg->slot_data.cfg_desc,
798 			  jpeg->slot_data.cfg_desc_handle);
799 	jpeg->slot_data.cfg_desc_handle = 0;
800 	jpeg->slot_data.cfg_desc = NULL;
804 			  jpeg->slot_data.cfg_stream_vaddr,
805 			  jpeg->slot_data.cfg_stream_handle);
806 	jpeg->slot_data.cfg_stream_vaddr = NULL;
807 	jpeg->slot_data.cfg_stream_handle = 0;
809 	dma_free_coherent(jpeg->dev, jpeg->slot_data.cfg_dec_size,
810 			  jpeg->slot_data.cfg_dec_vaddr,
811 			  jpeg->slot_data.cfg_dec_daddr);
812 	jpeg->slot_data.cfg_dec_size = 0;
813 	jpeg->slot_data.cfg_dec_vaddr = NULL;
814 	jpeg->slot_data.cfg_dec_daddr = 0;
816 	jpeg->slot_data.used = false;
825 	if (jpeg->slot_data.desc)
831 				  &jpeg->slot_data.desc_handle,
835 	jpeg->slot_data.desc = desc;
840 				      &jpeg->slot_data.cfg_desc_handle,
844 	jpeg->slot_data.cfg_desc = cfg_desc;
849 				     &jpeg->slot_data.cfg_stream_handle,
853 	jpeg->slot_data.cfg_stream_vaddr = cfg_stm;
855 	jpeg->slot_data.cfg_dec_size = MXC_JPEG_PATTERN_WIDTH * MXC_JPEG_PATTERN_HEIGHT * 2;
856 	jpeg->slot_data.cfg_dec_vaddr = dma_alloc_coherent(jpeg->dev,
857 							   jpeg->slot_data.cfg_dec_size,
858 							   &jpeg->slot_data.cfg_dec_daddr,
860 	if (!jpeg->slot_data.cfg_dec_vaddr)
864 	jpeg->slot_data.used = true;
868 	dev_err(jpeg->dev, "Could not allocate descriptors for slot %d", jpeg->slot_data.slot);
901 	jpeg->slot_data.used = false;
940 	if (curr_desc == jpeg->slot_data.cfg_desc_handle)
993 	if (!jpeg->slot_data.used)
1254 	struct mxc_jpeg_desc *desc = jpeg->slot_data.desc;
1255 	struct mxc_jpeg_desc *cfg_desc = jpeg->slot_data.cfg_desc;
1256 	dma_addr_t desc_handle = jpeg->slot_data.desc_handle;
1257 	dma_addr_t cfg_desc_handle = jpeg->slot_data.cfg_desc_handle;
1258 	dma_addr_t cfg_stream_handle = jpeg->slot_data.cfg_stream_handle;
1259 	unsigned int *cfg_size = &jpeg->slot_data.cfg_stream_size;
1260 	void *cfg_stream_vaddr = jpeg->slot_data.cfg_stream_vaddr;
1297 	cfg_desc->buf_base0 = jpeg->slot_data.cfg_dec_daddr;
1320 	struct mxc_jpeg_desc *desc = jpeg->slot_data.desc;
1321 	struct mxc_jpeg_desc *cfg_desc = jpeg->slot_data.cfg_desc;
1322 	dma_addr_t desc_handle = jpeg->slot_data.desc_handle;
1323 	dma_addr_t cfg_desc_handle = jpeg->slot_data.cfg_desc_handle;
1324 	void *cfg_stream_vaddr = jpeg->slot_data.cfg_stream_vaddr;
1331 	jpeg->slot_data.cfg_stream_size =
1340 	cfg_desc->buf_base0 = jpeg->slot_data.cfg_stream_handle;
1503 	if (ctx->mxc_jpeg->slot_data.used) {
1571 	ctx->slot = mxc_get_free_slot(&jpeg->slot_data);
2871 	ret = of_property_read_u32_index(pdev->dev.of_node, "slot", 0, &jpeg->slot_data.slot);
2873 		jpeg->slot_data.slot = 0;
2874 	dev_info(&pdev->dev, "choose slot %d\n", jpeg->slot_data.slot);