136 	struct mtk_btcvsd_snd_stream *rx;  member
212 		bt->tx->state, bt->rx->state, bt->irq_disabled);  in mtk_btcvsd_snd_set_state()
217 	    bt->rx->state == BT_SCO_STATE_IDLE) {  in mtk_btcvsd_snd_set_state()
247 	memset(bt->rx, 0, sizeof(*bt->rx));  in mtk_btcvsd_snd_rx_init()
250 	bt->rx->packet_size = BTCVSD_RX_PACKET_SIZE;  in mtk_btcvsd_snd_rx_init()
251 	bt->rx->buf_size = BTCVSD_RX_BUF_SIZE;  in mtk_btcvsd_snd_rx_init()
252 	bt->rx->timeout = 0;  in mtk_btcvsd_snd_rx_init()
253 	bt->rx->rw_cnt = 0;  in mtk_btcvsd_snd_rx_init()
254 	bt->rx->stream = SNDRV_PCM_STREAM_CAPTURE;  in mtk_btcvsd_snd_rx_init()
268 	ts->time_stamp_us = bt->rx->time_stamp;  in get_rx_time_stamp()
269 	ts->data_count_equi_time = bt->rx->buf_data_equivalent_time;  in get_rx_time_stamp()
385 				     bt->rx->temp_packet_buf, packet_length,  in mtk_btcvsd_read_from_bt()
390 		packet_buf_ofs = (bt->rx->packet_w & SCO_RX_PACKET_MASK) *  in mtk_btcvsd_read_from_bt()
391 				 bt->rx->packet_size;  in mtk_btcvsd_read_from_bt()
393 		       bt->rx->temp_packet_buf + (SCO_RX_PLC_SIZE * i),  in mtk_btcvsd_read_from_bt()
404 		bt->rx->packet_w++;  in mtk_btcvsd_read_from_bt()
487 	if (bt->rx->state != BT_SCO_STATE_RUNNING &&  in mtk_btcvsd_snd_irq_handler()
488 	    bt->rx->state != BT_SCO_STATE_ENDING &&  in mtk_btcvsd_snd_irq_handler()
493 			 __func__, bt->rx->state, bt->tx->state);  in mtk_btcvsd_snd_irq_handler()
549 		bt->rx->rw_cnt++;  in mtk_btcvsd_snd_irq_handler()
553 	if (bt->rx->state == BT_SCO_STATE_RUNNING ||  in mtk_btcvsd_snd_irq_handler()
554 	    bt->rx->state == BT_SCO_STATE_ENDING) {  in mtk_btcvsd_snd_irq_handler()
555 		if (bt->rx->xrun) {  in mtk_btcvsd_snd_irq_handler()
556 			if (bt->rx->packet_w - bt->rx->packet_r <=  in mtk_btcvsd_snd_irq_handler()
562 				bt->rx->xrun = 0;  in mtk_btcvsd_snd_irq_handler()
568 		if (!bt->rx->xrun &&  in mtk_btcvsd_snd_irq_handler()
569 		    (bt->rx->packet_w - bt->rx->packet_r <=  in mtk_btcvsd_snd_irq_handler()
577 			bt->rx->rw_cnt++;  in mtk_btcvsd_snd_irq_handler()
579 			bt->rx->xrun = 1;  in mtk_btcvsd_snd_irq_handler()
618 	if (bt->rx->state == BT_SCO_STATE_RUNNING ||  in mtk_btcvsd_snd_irq_handler()
619 	    bt->rx->state == BT_SCO_STATE_ENDING) {  in mtk_btcvsd_snd_irq_handler()
620 		bt->rx->wait_flag = 1;  in mtk_btcvsd_snd_irq_handler()
622 		snd_pcm_period_elapsed(bt->rx->substream);  in mtk_btcvsd_snd_irq_handler()
706 	unsigned int packet_size = bt->rx->packet_size;  in mtk_btcvsd_snd_read()
711 		avail = (bt->rx->packet_w - bt->rx->packet_r) * packet_size;  in mtk_btcvsd_snd_read()
713 		cur_read_idx = (bt->rx->packet_r & SCO_RX_PACKET_MASK) *  in mtk_btcvsd_snd_read()
718 			int ret = wait_for_bt_irq(bt, bt->rx);  in mtk_btcvsd_snd_read()
742 		cont = bt->rx->buf_size - cur_read_idx;  in mtk_btcvsd_snd_read()
755 		bt->rx->packet_r += read_size / packet_size;  in mtk_btcvsd_snd_read()
767 	bt->rx->time_stamp = sched_clock();  in mtk_btcvsd_snd_read()
768 	bt->rx->buf_data_equivalent_time =  in mtk_btcvsd_snd_read()
769 		(unsigned long long)(bt->rx->packet_w - bt->rx->packet_r) *  in mtk_btcvsd_snd_read()
771 	bt->rx->buf_data_equivalent_time += read_count * SCO_RX_PLC_SIZE *  in mtk_btcvsd_snd_read()
774 	bt->rx->buf_data_equivalent_time *= 1000;  in mtk_btcvsd_snd_read()
863 		return bt->rx;  in get_bt_stream()
894 		bt->rx->substream = substream;  in mtk_pcm_btcvsd_open()
1002 		bt_stream = bt->rx;  in mtk_pcm_btcvsd_pointer()
1007 			bt->tx->packet_r : bt->rx->packet_w;  in mtk_pcm_btcvsd_pointer()
1097 		mtk_btcvsd_snd_set_state(bt, bt->rx, BT_SCO_STATE_LOOPBACK);  in btcvsd_loopback_set()
1100 		mtk_btcvsd_snd_set_state(bt, bt->rx, BT_SCO_STATE_RUNNING);  in btcvsd_loopback_set()
1139 	if (!bt->rx)  in btcvsd_rx_irq_received_get()
1142 	ucontrol->value.integer.value[0] = bt->rx->rw_cnt ? 1 : 0;  in btcvsd_rx_irq_received_get()
1152 	if (!bt->rx)  in btcvsd_rx_timeout_get()
1155 	ucontrol->value.integer.value[0] = bt->rx->timeout;  in btcvsd_rx_timeout_get()
1156 	bt->rx->timeout = 0;  in btcvsd_rx_timeout_get()
1296 	btcvsd->rx = devm_kzalloc(btcvsd->dev, sizeof(*btcvsd->rx), GFP_KERNEL);  in mtk_btcvsd_snd_probe()
1297 	if (!btcvsd->rx)  in mtk_btcvsd_snd_probe()
1374 	mtk_btcvsd_snd_set_state(btcvsd, btcvsd->rx, BT_SCO_STATE_IDLE);  in mtk_btcvsd_snd_probe()