31 	LDMA_Descriptor_t *desc;  member
90 					  struct dma_block_config *block, LDMA_Descriptor_t *desc)  in dma_silabs_block_to_descriptor()  argument
105 	memset(desc, 0, sizeof(*desc));  in dma_silabs_block_to_descriptor()
107 	desc->xfer.structReq = 1;  in dma_silabs_block_to_descriptor()
120 	desc->xfer.size = LOG2(src_size);  in dma_silabs_block_to_descriptor()
132 	desc->xfer.xferCnt = xfer_count;  in dma_silabs_block_to_descriptor()
143 	desc->xfer.blockSize = ret;  in dma_silabs_block_to_descriptor()
148 	desc->xfer.doneIfs = config->complete_callback_en;  in dma_silabs_block_to_descriptor()
149 	desc->xfer.reqMode = ldmaCtrlReqModeAll;  in dma_silabs_block_to_descriptor()
150 	desc->xfer.ignoreSrec = block->flow_control_mode;  in dma_silabs_block_to_descriptor()
154 	 * to manage increment sign for each block desc which can't be done with  in dma_silabs_block_to_descriptor()
155 	 * silabs LDMA. If increment sign is different in 2 block desc, then an  in dma_silabs_block_to_descriptor()
164 		desc->xfer.srcInc = ldmaCtrlSrcIncNone;  in dma_silabs_block_to_descriptor()
166 		desc->xfer.srcInc = ldmaCtrlSrcIncOne;  in dma_silabs_block_to_descriptor()
170 		desc->xfer.dstInc = ldmaCtrlDstIncNone;  in dma_silabs_block_to_descriptor()
172 		desc->xfer.dstInc = ldmaCtrlDstIncOne;  in dma_silabs_block_to_descriptor()
175 	desc->xfer.srcAddrMode = ldmaCtrlSrcAddrModeAbs;  in dma_silabs_block_to_descriptor()
176 	desc->xfer.dstAddrMode = ldmaCtrlDstAddrModeAbs;  in dma_silabs_block_to_descriptor()
185 	desc->xfer.srcAddr = block->source_address;  in dma_silabs_block_to_descriptor()
186 	desc->xfer.dstAddr = block->dest_address;  in dma_silabs_block_to_descriptor()
191 static int dma_silabs_release_descriptor(struct dma_silabs_data *data, LDMA_Descriptor_t *desc)  in dma_silabs_release_descriptor()  argument
196 	head_desc = desc;  in dma_silabs_release_descriptor()
197 	while (desc) {  in dma_silabs_release_descriptor()
198 		next_desc = LDMA_DESCRIPTOR_LINKABS_LINKADDR_TO_ADDR(desc->xfer.linkAddr);  in dma_silabs_release_descriptor()
199 		ret = sys_mem_blocks_free(data->dma_desc_pool, 1, (void **)&desc);  in dma_silabs_release_descriptor()
203 		desc = next_desc;  in dma_silabs_release_descriptor()
205 		if (desc == head_desc) {  in dma_silabs_release_descriptor()
218 	LDMA_Descriptor_t *desc, *prev_desc;  in dma_silabs_configure_descriptor()  local
223 	 * desc refers to driver configured block (LDMA_Descriptor_t structure from silabs  in dma_silabs_configure_descriptor()
228 		ret = sys_mem_blocks_alloc(data->dma_desc_pool, 1, (void **)&desc);  in dma_silabs_configure_descriptor()
233 		ret = dma_silabs_block_to_descriptor(config, chan_conf, block, desc);  in dma_silabs_configure_descriptor()
239 			chan_conf->desc = desc;  in dma_silabs_configure_descriptor()
241 			prev_desc->xfer.linkAddr = LDMA_DESCRIPTOR_LINKABS_ADDR_TO_LINKADDR(desc);  in dma_silabs_configure_descriptor()
246 		prev_desc = desc;  in dma_silabs_configure_descriptor()
251 				LDMA_DESCRIPTOR_LINKABS_ADDR_TO_LINKADDR(chan_conf->desc);  in dma_silabs_configure_descriptor()
260 	(void)dma_silabs_release_descriptor(data, chan_conf->desc);  in dma_silabs_configure_descriptor()
324 	ret = dma_silabs_release_descriptor(data, chan_conf->desc);  in dma_silabs_configure()
420 	LDMA_StartTransfer(channel, &chan->xfer_config, chan->desc);  in dma_silabs_start()