64 static uint8_t dmic_mcux_hw_chan(struct mcux_dmic_drv_data *drv_data,  in dmic_mcux_hw_chan()  argument
74 	dmic_parse_channel_map(drv_data->chan_map_lo,  in dmic_mcux_hw_chan()
75 			       drv_data->chan_map_hi,  in dmic_mcux_hw_chan()
84 static void dmic_mcux_activate_channels(struct mcux_dmic_drv_data *drv_data,  in dmic_mcux_activate_channels()  argument
95 	for (uint8_t chan = 0; chan < drv_data->act_num_chan; chan++) {  in dmic_mcux_activate_channels()
97 		mask |= BIT(dmic_mcux_hw_chan(drv_data, chan));  in dmic_mcux_activate_channels()
101 		DMIC_EnableChannnel(drv_data->base_address, mask);  in dmic_mcux_activate_channels()
104 		drv_data->base_address->CHANEN &= ~mask;  in dmic_mcux_activate_channels()
108 static int dmic_mcux_enable_dma(struct mcux_dmic_drv_data *drv_data, bool enable)  in dmic_mcux_enable_dma()  argument
111 	uint8_t num_chan = drv_data->act_num_chan;  in dmic_mcux_enable_dma()
117 		hw_chan = dmic_mcux_hw_chan(drv_data, chan);  in dmic_mcux_enable_dma()
118 		pdm_channel = drv_data->pdm_channels[hw_chan];  in dmic_mcux_enable_dma()
131 		DMIC_EnableChannelDma(drv_data->base_address,  in dmic_mcux_enable_dma()
139 static void dmic_mcux_reload_dma(struct mcux_dmic_drv_data *drv_data,  in dmic_mcux_reload_dma()  argument
145 	uint8_t num_chan = drv_data->act_num_chan;  in dmic_mcux_reload_dma()
146 	uint32_t dma_buf_size = drv_data->block_size / num_chan;  in dmic_mcux_reload_dma()
155 		hw_chan = dmic_mcux_hw_chan(drv_data, chan);  in dmic_mcux_reload_dma()
156 		pdm_channel = drv_data->pdm_channels[hw_chan];  in dmic_mcux_reload_dma()
157 		src = DMIC_FifoGetAddress(drv_data->base_address, hw_chan);  in dmic_mcux_reload_dma()
177 static int dmic_mcux_stop(struct mcux_dmic_drv_data *drv_data)  in dmic_mcux_stop()  argument
180 	dmic_mcux_activate_channels(drv_data, false);  in dmic_mcux_stop()
182 	dmic_mcux_enable_dma(drv_data, false);  in dmic_mcux_stop()
186 		k_mem_slab_free(drv_data->mem_slab, drv_data->dma_bufs[i]);  in dmic_mcux_stop()
190 	k_msgq_purge(drv_data->rx_queue);  in dmic_mcux_stop()
192 	drv_data->dmic_state = DMIC_STATE_CONFIGURED;  in dmic_mcux_stop()
201 	struct mcux_dmic_drv_data *drv_data = (struct mcux_dmic_drv_data *)user_data;  in dmic_mcux_dma_cb()  local
203 	void *done_buffer = drv_data->dma_bufs[drv_data->active_buf_idx];  in dmic_mcux_dma_cb()
211 		dmic_mcux_enable_dma(drv_data, false);  in dmic_mcux_dma_cb()
212 		dmic_mcux_activate_channels(drv_data, false);  in dmic_mcux_dma_cb()
214 		dmic_mcux_stop(drv_data);  in dmic_mcux_dma_cb()
215 		drv_data->dmic_state = DMIC_STATE_ERROR;  in dmic_mcux_dma_cb()
222 	ret = k_mem_slab_alloc(drv_data->mem_slab, &new_buffer, K_NO_WAIT);  in dmic_mcux_dma_cb()
231 		drv_data->dmic_state = DMIC_STATE_ERROR;  in dmic_mcux_dma_cb()
233 		dmic_mcux_reload_dma(drv_data, done_buffer);  in dmic_mcux_dma_cb()
235 		drv_data->active_buf_idx =  in dmic_mcux_dma_cb()
236 			dmic_mcux_next_buf_idx(drv_data->active_buf_idx);  in dmic_mcux_dma_cb()
245 	ret = k_msgq_put(drv_data->rx_queue, &done_buffer, K_NO_WAIT);  in dmic_mcux_dma_cb()
248 		k_mem_slab_free(drv_data->mem_slab, new_buffer);  in dmic_mcux_dma_cb()
254 		drv_data->dmic_state = DMIC_STATE_ERROR;  in dmic_mcux_dma_cb()
256 		dmic_mcux_reload_dma(drv_data, done_buffer);  in dmic_mcux_dma_cb()
258 		drv_data->active_buf_idx =  in dmic_mcux_dma_cb()
259 			dmic_mcux_next_buf_idx(drv_data->active_buf_idx);  in dmic_mcux_dma_cb()
267 	drv_data->dma_bufs[drv_data->active_buf_idx] = new_buffer;  in dmic_mcux_dma_cb()
268 	dmic_mcux_reload_dma(drv_data, new_buffer);  in dmic_mcux_dma_cb()
270 	drv_data->active_buf_idx = dmic_mcux_next_buf_idx(drv_data->active_buf_idx);  in dmic_mcux_dma_cb()
275 	struct mcux_dmic_drv_data *drv_data = dev->data;  in dmic_mcux_setup_dma()  local
279 	uint8_t num_chan = drv_data->act_num_chan;  in dmic_mcux_setup_dma()
280 	uint32_t dma_buf_size = drv_data->block_size / num_chan;  in dmic_mcux_setup_dma()
282 	void *dma_buf = drv_data->dma_bufs[dma_buf_idx];  in dmic_mcux_setup_dma()
288 	dma_cfg.user_data = drv_data;  in dmic_mcux_setup_dma()
305 		hw_chan = dmic_mcux_hw_chan(drv_data, chan);  in dmic_mcux_setup_dma()
309 				DMIC_FifoGetAddress(drv_data->base_address, hw_chan);  in dmic_mcux_setup_dma()
340 			dma_buf = drv_data->dma_bufs[dma_buf_idx];  in dmic_mcux_setup_dma()
342 		pdm_channel = drv_data->pdm_channels[hw_chan];  in dmic_mcux_setup_dma()
362 	struct mcux_dmic_drv_data *drv_data = dev->data;  in dmic_mcux_init_channel()  local
364 	if (!drv_data->pdm_channels[chan]) {  in dmic_mcux_init_channel()
369 	drv_data->pdm_channels[chan]->dmic_channel_cfg.osr = osr;  in dmic_mcux_init_channel()
371 	DMIC_ConfigChannel(drv_data->base_address, (dmic_channel_t)chan,  in dmic_mcux_init_channel()
373 			   &drv_data->pdm_channels[chan]->dmic_channel_cfg);  in dmic_mcux_init_channel()
377 	DMIC_FifoChannel(drv_data->base_address, chan, 15, true, true);  in dmic_mcux_init_channel()
379 	DMIC_EnableChannelInterrupt(drv_data->base_address, chan, false);  in dmic_mcux_init_channel()
386 	struct mcux_dmic_drv_data *drv_data = dev->data;  in mcux_dmic_init()  local
393 	DMIC_Init(drv_data->base_address);  in mcux_dmic_init()
394 	DMIC_Use2fs(drv_data->base_address, config->use2fs);  in mcux_dmic_init()
397 	DMIC_SetIOCFG(drv_data->base_address, kDMIC_PdmDual);  in mcux_dmic_init()
399 	drv_data->dmic_state = DMIC_STATE_INITIALIZED;  in mcux_dmic_init()
408 	struct mcux_dmic_drv_data *drv_data = dev->data;  in dmic_mcux_configure()  local
416 	if (drv_data->dmic_state == DMIC_STATE_ACTIVE) {  in dmic_mcux_configure()
435 		if (drv_data->dmic_state == DMIC_STATE_CONFIGURED) {  in dmic_mcux_configure()
436 			DMIC_DeInit(drv_data->base_address);  in dmic_mcux_configure()
437 			drv_data->dmic_state = DMIC_STATE_UNINIT;  in dmic_mcux_configure()
443 	if (drv_data->dmic_state == DMIC_STATE_UNINIT) {  in dmic_mcux_configure()
486 	drv_data->chan_map_lo = channel->req_chan_map_lo;  in dmic_mcux_configure()
487 	drv_data->chan_map_hi = channel->req_chan_map_hi;  in dmic_mcux_configure()
506 					     dmic_mcux_hw_chan(drv_data, chan),  in dmic_mcux_configure()
515 						     dmic_mcux_hw_chan(drv_data,  in dmic_mcux_configure()
528 	drv_data->mem_slab   = stream->mem_slab;  in dmic_mcux_configure()
529 	drv_data->block_size   = stream->block_size;  in dmic_mcux_configure()
530 	drv_data->act_num_chan = channel->act_num_chan;  in dmic_mcux_configure()
531 	drv_data->dmic_state = DMIC_STATE_CONFIGURED;  in dmic_mcux_configure()
538 	struct mcux_dmic_drv_data *drv_data = dev->data;  in dmic_mcux_start()  local
551 		ret = k_mem_slab_alloc(drv_data->mem_slab,  in dmic_mcux_start()
552 				       &drv_data->dma_bufs[i], K_NO_WAIT);  in dmic_mcux_start()
564 	ret = dmic_mcux_enable_dma(drv_data, true);  in dmic_mcux_start()
568 	dmic_mcux_activate_channels(drv_data, true);  in dmic_mcux_start()
576 	struct mcux_dmic_drv_data *drv_data = dev->data;  in dmic_mcux_trigger()  local
581 		if (drv_data->dmic_state == DMIC_STATE_ACTIVE) {  in dmic_mcux_trigger()
582 			dmic_mcux_activate_channels(drv_data, false);  in dmic_mcux_trigger()
584 		drv_data->dmic_state = DMIC_STATE_PAUSED;  in dmic_mcux_trigger()
587 		if (drv_data->dmic_state == DMIC_STATE_ACTIVE) {  in dmic_mcux_trigger()
588 			dmic_mcux_stop(drv_data);  in dmic_mcux_trigger()
590 		drv_data->dmic_state = DMIC_STATE_CONFIGURED;  in dmic_mcux_trigger()
594 		if (drv_data->dmic_state == DMIC_STATE_PAUSED) {  in dmic_mcux_trigger()
595 			dmic_mcux_activate_channels(drv_data, true);  in dmic_mcux_trigger()
597 		drv_data->dmic_state = DMIC_STATE_ACTIVE;  in dmic_mcux_trigger()
600 		if ((drv_data->dmic_state != DMIC_STATE_CONFIGURED) &&  in dmic_mcux_trigger()
601 		    (drv_data->dmic_state != DMIC_STATE_ACTIVE)) {  in dmic_mcux_trigger()
604 		} else if (drv_data->dmic_state != DMIC_STATE_ACTIVE) {  in dmic_mcux_trigger()
609 			drv_data->dmic_state = DMIC_STATE_ACTIVE;  in dmic_mcux_trigger()
614 		DMIC_DeInit(drv_data->base_address);  in dmic_mcux_trigger()
615 		drv_data->dmic_state = DMIC_STATE_UNINIT;  in dmic_mcux_trigger()
628 	struct mcux_dmic_drv_data *drv_data = dev->data;  in dmic_mcux_read()  local
633 	if (drv_data->dmic_state == DMIC_STATE_ERROR) {  in dmic_mcux_read()
638 	if ((drv_data->dmic_state != DMIC_STATE_CONFIGURED) &&  in dmic_mcux_read()
639 	    (drv_data->dmic_state != DMIC_STATE_ACTIVE) &&  in dmic_mcux_read()
640 	    (drv_data->dmic_state != DMIC_STATE_PAUSED)) {  in dmic_mcux_read()
645 	ret = k_msgq_get(drv_data->rx_queue, buffer, SYS_TIMEOUT_MS(timeout));  in dmic_mcux_read()
649 	*size = drv_data->block_size;  in dmic_mcux_read()