39 	uint32_t channel;  member
101 							      uint32_t channel)  in dma_emul_get_channel_state()  argument
105 	__ASSERT_NO_MSG(channel < config->num_channels);  in dma_emul_get_channel_state()
107 	return (enum dma_emul_channel_state)config->xfer[channel].config._reserved;  in dma_emul_get_channel_state()
110 static void dma_emul_set_channel_state(const struct device *dev, uint32_t channel,  in dma_emul_set_channel_state()  argument
115 	LOG_DBG("setting channel %u state to %s", channel, dma_emul_channel_state_to_string(state));  in dma_emul_set_channel_state()
117 	__ASSERT_NO_MSG(channel < config->num_channels);  in dma_emul_set_channel_state()
120 	config->xfer[channel].config._reserved = state;  in dma_emul_set_channel_state()
200 	uint32_t channel;  in dma_emul_work_handler()  local
211 	channel = dma_work->channel;  in dma_emul_work_handler()
215 		xfer = &config->xfer[channel];  in dma_emul_work_handler()
223 		LOG_DBG("processing xfer %p for channel %u", xfer, channel);  in dma_emul_work_handler()
234 			       &config->block[channel * config->num_requests +  in dma_emul_work_handler()
246 				state = dma_emul_get_channel_state(dev, channel);  in dma_emul_work_handler()
253 									 channel, -ECANCELED);  in dma_emul_work_handler()
273 		dma_emul_set_channel_state(dev, channel, DMA_EMUL_CHANNEL_STOPPED);  in dma_emul_work_handler()
278 			xfer_config.dma_callback(dev, xfer_config.user_data, channel,  in dma_emul_work_handler()
285 			LOG_DBG("%s(): Linked channel %u -> %u", __func__, channel,  in dma_emul_work_handler()
287 			__ASSERT_NO_MSG(channel != xfer_config.linked_channel);  in dma_emul_work_handler()
288 			channel = xfer_config.linked_channel;  in dma_emul_work_handler()
299 static bool dma_emul_config_valid(const struct device *dev, uint32_t channel,  in dma_emul_config_valid()  argument
311 	if (channel >= config->num_channels) {  in dma_emul_config_valid()
312 		LOG_ERR("invalid DMA channel %u", channel);  in dma_emul_config_valid()
347 static int dma_emul_configure(const struct device *dev, uint32_t channel,  in dma_emul_configure()  argument
361 	if (!dma_emul_config_valid(dev, channel, xfer_config)) {  in dma_emul_configure()
366 	xfer = &config->xfer[channel];  in dma_emul_configure()
368 	LOG_DBG("%s():\nchannel: %u\nconfig: %s", __func__, channel,  in dma_emul_configure()
371 	block_idx = channel * config->num_requests + xfer_config->dma_slot;  in dma_emul_configure()
373 	block = &config->block[channel * config->num_requests + xfer_config->dma_slot];  in dma_emul_configure()
374 	state = dma_emul_get_channel_state(dev, channel);  in dma_emul_configure()
390 		dma_emul_set_channel_state(dev, channel, DMA_EMUL_CHANNEL_LOADED);  in dma_emul_configure()
402 static int dma_emul_reload(const struct device *dev, uint32_t channel, dma_addr_t src,  in dma_emul_reload()  argument
410 static int dma_emul_start(const struct device *dev, uint32_t channel)  in dma_emul_start()  argument
420 	LOG_DBG("%s(channel: %u)", __func__, channel);  in dma_emul_start()
422 	if (channel >= config->num_channels) {  in dma_emul_start()
427 	xfer = &config->xfer[channel];  in dma_emul_start()
428 	state = dma_emul_get_channel_state(dev, channel);  in dma_emul_start()
435 		data->work.channel = channel;  in dma_emul_start()
437 			dma_emul_set_channel_state(dev, channel, DMA_EMUL_CHANNEL_STARTED);  in dma_emul_start()
439 			xfer_config = &config->xfer[channel].config;  in dma_emul_start()
441 				LOG_DBG("%s(): Linked channel %u -> %u", __func__, channel,  in dma_emul_start()
443 				channel = xfer_config->linked_channel;  in dma_emul_start()
461 static int dma_emul_stop(const struct device *dev, uint32_t channel)  in dma_emul_stop()  argument
467 	dma_emul_set_channel_state(dev, channel, DMA_EMUL_CHANNEL_STOPPED);  in dma_emul_stop()
473 static int dma_emul_suspend(const struct device *dev, uint32_t channel)  in dma_emul_suspend()  argument
480 static int dma_emul_resume(const struct device *dev, uint32_t channel)  in dma_emul_resume()  argument
487 static int dma_emul_get_status(const struct device *dev, uint32_t channel,  in dma_emul_get_status()  argument
502 static bool dma_emul_chan_filter(const struct device *dev, int channel, void *filter_param)  in dma_emul_chan_filter()  argument
510 	success = dma_emul_get_channel_state(dev, channel) == DMA_EMUL_CHANNEL_UNUSED;  in dma_emul_chan_filter()