128 static int dma_si32_config(const struct device *dev, uint32_t channel, struct dma_config *cfg)  in dma_si32_config()  argument
154 	if (cfg == NULL) {  in dma_si32_config()
159 	if (cfg->complete_callback_en > 1) {  in dma_si32_config()
164 	if (cfg->error_callback_dis > 1) {  in dma_si32_config()
169 	if (cfg->source_handshake > 1 || cfg->dest_handshake > 1) {  in dma_si32_config()
174 	if (cfg->channel_priority > 1) {  in dma_si32_config()
179 	if (cfg->source_chaining_en > 1 || cfg->dest_chaining_en > 1) {  in dma_si32_config()
184 	if (cfg->linked_channel > 1) {  in dma_si32_config()
189 	if (cfg->cyclic > 1) {  in dma_si32_config()
194 	if (cfg->source_data_size != 1 && cfg->source_data_size != 2 &&  in dma_si32_config()
195 	    cfg->source_data_size != 4) {  in dma_si32_config()
196 		LOG_ERR("source_data_size must be 1, 2, or 4 (%" PRIu32 ")", cfg->source_data_size);  in dma_si32_config()
200 	if (cfg->dest_data_size != 1 && cfg->dest_data_size != 2 && cfg->dest_data_size != 4) {  in dma_si32_config()
201 		LOG_ERR("dest_data_size must be 1, 2, or 4 (%" PRIu32 ")", cfg->dest_data_size);  in dma_si32_config()
205 	__ASSERT(cfg->source_data_size == cfg->dest_data_size,  in dma_si32_config()
208 	if (cfg->source_burst_length != cfg->dest_burst_length) {  in dma_si32_config()
213 	if (POPCOUNT(cfg->source_burst_length) > 1) {  in dma_si32_config()
218 	if (cfg->block_count > 1) {  in dma_si32_config()
225 	channel_data->callback = cfg->dma_callback;  in dma_si32_config()
226 	channel_data->callback_user_data = cfg->user_data;  in dma_si32_config()
228 	switch (cfg->source_data_size) {  in dma_si32_config()
233 			cfg->source_burst_length ? find_msb_set(cfg->source_burst_length) - 3 : 0;  in dma_si32_config()
239 			cfg->source_burst_length ? find_msb_set(cfg->source_burst_length) - 2 : 0;  in dma_si32_config()
245 			cfg->source_burst_length ? find_msb_set(cfg->source_burst_length) - 1 : 0;  in dma_si32_config()
248 		LOG_ERR("source_data_size must be 1, 2, or 4 (%" PRIu32 ")", cfg->source_data_size);  in dma_si32_config()
253 	if (!cfg->head_block || cfg->block_count == 0) {  in dma_si32_config()
258 	block = cfg->head_block;  in dma_si32_config()
260 	if (block->block_size % cfg->source_data_size != 0) {  in dma_si32_config()
265 	if (block->source_address % cfg->source_data_size != 0) {  in dma_si32_config()
270 	if (block->dest_address % cfg->dest_data_size != 0) {  in dma_si32_config()
275 	ncount = block->block_size / cfg->source_data_size - 1;  in dma_si32_config()
286 	switch (cfg->channel_direction) {  in dma_si32_config()
305 		LOG_ERR("Channel direction not implemented: %d", cfg->channel_direction);  in dma_si32_config()
312 			block->source_address + ncount * cfg->source_data_size;  in dma_si32_config()
329 		channel_descriptor->DSTEND.U32 = block->dest_address + ncount * cfg->dest_data_size;  in dma_si32_config()