27 /* TX */
130 	spinlock_t tx_lock;	/* spinlock for bt tx stream control */
135 	struct mtk_btcvsd_snd_stream *tx;  member
209 	dev_dbg(bt->dev, "%s(), stream %d, state %d, tx->state %d, rx->state %d, irq_disabled %d\n",  in mtk_btcvsd_snd_set_state()
212 		bt->tx->state, bt->rx->state, bt->irq_disabled);  in mtk_btcvsd_snd_set_state()
216 	if (bt->tx->state == BT_SCO_STATE_IDLE &&  in mtk_btcvsd_snd_set_state()
234 	memset(bt->tx, 0, sizeof(*bt->tx));  in mtk_btcvsd_snd_tx_init()
237 	bt->tx->packet_size = BTCVSD_TX_PACKET_SIZE;  in mtk_btcvsd_snd_tx_init()
238 	bt->tx->buf_size = BTCVSD_TX_BUF_SIZE;  in mtk_btcvsd_snd_tx_init()
239 	bt->tx->timeout = 0;  in mtk_btcvsd_snd_tx_init()
240 	bt->tx->rw_cnt = 0;  in mtk_btcvsd_snd_tx_init()
241 	bt->tx->stream = SNDRV_PCM_STREAM_PLAYBACK;  in mtk_btcvsd_snd_tx_init()
261 	ts->time_stamp_us = bt->tx->time_stamp;  in get_tx_time_stamp()
262 	ts->data_count_equi_time = bt->tx->buf_data_equivalent_time;  in get_tx_time_stamp()
327 		memset(bt->tx->temp_packet_buf, 170, SCO_PACKET_180);  in btcvsd_tx_clean_buffer()
329 		memcpy(bt->tx->temp_packet_buf,  in btcvsd_tx_clean_buffer()
332 	/* write mute data to bt tx sram buffer */  in btcvsd_tx_clean_buffer()
334 	num_valid_addr = bt->tx->buffer_info.num_valid_addr;  in btcvsd_tx_clean_buffer()
343 			 bt->tx->buffer_info.bt_sram_addr[i]);  in btcvsd_tx_clean_buffer()
345 		dst = (void *)bt->tx->buffer_info.bt_sram_addr[i];  in btcvsd_tx_clean_buffer()
348 					     bt->tx->temp_packet_buf, dst,  in btcvsd_tx_clean_buffer()
349 					     bt->tx->buffer_info.packet_length,  in btcvsd_tx_clean_buffer()
350 					     bt->tx->buffer_info.packet_num);  in btcvsd_tx_clean_buffer()
435 		memcpy(bt->tx->temp_packet_buf + (bt->tx->packet_size * i),  in mtk_btcvsd_write_to_bt()
437 			(bt->tx->packet_r % SCO_TX_PACKER_BUF_NUM) *  in mtk_btcvsd_write_to_bt()
438 			bt->tx->packet_size),  in mtk_btcvsd_write_to_bt()
439 		       bt->tx->packet_size);  in mtk_btcvsd_write_to_bt()
441 		bt->tx->packet_r++;  in mtk_btcvsd_write_to_bt()
447 	if (!bt->tx->mute) {  in mtk_btcvsd_write_to_bt()
449 					     bt->tx->temp_packet_buf, dst,  in mtk_btcvsd_write_to_bt()
453 	/* store bt tx buffer sram info */  in mtk_btcvsd_write_to_bt()
454 	bt->tx->buffer_info.packet_length = packet_length;  in mtk_btcvsd_write_to_bt()
455 	bt->tx->buffer_info.packet_num = packet_num;  in mtk_btcvsd_write_to_bt()
456 	for (i = 0; i < bt->tx->buffer_info.num_valid_addr; i++) {  in mtk_btcvsd_write_to_bt()
457 		if (bt->tx->buffer_info.bt_sram_addr[i] == ap_addr_tx) {  in mtk_btcvsd_write_to_bt()
466 		bt->tx->buffer_info.num_valid_addr++;  in mtk_btcvsd_write_to_bt()
467 		next_idx = bt->tx->buffer_info.num_valid_addr - 1;  in mtk_btcvsd_write_to_bt()
468 		bt->tx->buffer_info.bt_sram_addr[next_idx] = ap_addr_tx;  in mtk_btcvsd_write_to_bt()
472 			 bt->tx->buffer_info.num_valid_addr);  in mtk_btcvsd_write_to_bt()
475 	if (bt->tx->mute)  in mtk_btcvsd_write_to_bt()
489 	    bt->tx->state != BT_SCO_STATE_RUNNING &&  in mtk_btcvsd_snd_irq_handler()
490 	    bt->tx->state != BT_SCO_STATE_ENDING &&  in mtk_btcvsd_snd_irq_handler()
491 	    bt->tx->state != BT_SCO_STATE_LOOPBACK) {  in mtk_btcvsd_snd_irq_handler()
492 		dev_warn(bt->dev, "%s(), in idle state: rx->state: %d, tx->state: %d\n",  in mtk_btcvsd_snd_irq_handler()
493 			 __func__, bt->rx->state, bt->tx->state);  in mtk_btcvsd_snd_irq_handler()
517 	if (bt->tx->state == BT_SCO_STATE_LOOPBACK) {  in mtk_btcvsd_snd_irq_handler()
542 					     bt->tx->temp_packet_buf,  in mtk_btcvsd_snd_irq_handler()
546 					     bt->tx->temp_packet_buf, dst,  in mtk_btcvsd_snd_irq_handler()
550 		bt->tx->rw_cnt++;  in mtk_btcvsd_snd_irq_handler()
584 	/* tx */  in mtk_btcvsd_snd_irq_handler()
585 	bt->tx->timeout = 0;  in mtk_btcvsd_snd_irq_handler()
586 	if ((bt->tx->state == BT_SCO_STATE_RUNNING ||  in mtk_btcvsd_snd_irq_handler()
587 	     bt->tx->state == BT_SCO_STATE_ENDING) &&  in mtk_btcvsd_snd_irq_handler()
588 	    bt->tx->trigger_start) {  in mtk_btcvsd_snd_irq_handler()
589 		if (bt->tx->xrun) {  in mtk_btcvsd_snd_irq_handler()
591 			 * interrupt tx data size  in mtk_btcvsd_snd_irq_handler()
593 			if (bt->tx->packet_w - bt->tx->packet_r >=  in mtk_btcvsd_snd_irq_handler()
595 				bt->tx->xrun = 0;  in mtk_btcvsd_snd_irq_handler()
596 				dev_warn(bt->dev, "%s(), tx->xrun 0\n",  in mtk_btcvsd_snd_irq_handler()
601 		if ((!bt->tx->xrun &&  in mtk_btcvsd_snd_irq_handler()
602 		     (bt->tx->packet_w - bt->tx->packet_r >= buf_cnt_tx)) ||  in mtk_btcvsd_snd_irq_handler()
603 		    bt->tx->state == BT_SCO_STATE_ENDING) {  in mtk_btcvsd_snd_irq_handler()
609 			bt->tx->rw_cnt++;  in mtk_btcvsd_snd_irq_handler()
611 			bt->tx->xrun = 1;  in mtk_btcvsd_snd_irq_handler()
612 			dev_warn(bt->dev, "%s(), tx->xrun 1\n", __func__);  in mtk_btcvsd_snd_irq_handler()
624 	if (bt->tx->state == BT_SCO_STATE_RUNNING ||  in mtk_btcvsd_snd_irq_handler()
625 	    bt->tx->state == BT_SCO_STATE_ENDING) {  in mtk_btcvsd_snd_irq_handler()
626 		bt->tx->wait_flag = 1;  in mtk_btcvsd_snd_irq_handler()
628 		snd_pcm_period_elapsed(bt->tx->substream);  in mtk_btcvsd_snd_irq_handler()
782 	unsigned int packet_size = bt->tx->packet_size;  in mtk_btcvsd_snd_write()
788 	bt->tx->time_stamp = sched_clock();  in mtk_btcvsd_snd_write()
789 	bt->tx->buf_data_equivalent_time =  in mtk_btcvsd_snd_write()
790 		(unsigned long long)(bt->tx->packet_w - bt->tx->packet_r) *  in mtk_btcvsd_snd_write()
794 	bt->tx->buf_data_equivalent_time *= 1000;  in mtk_btcvsd_snd_write()
798 		/* free space of TX packet buffer */  in mtk_btcvsd_snd_write()
799 		avail = bt->tx->buf_size -  in mtk_btcvsd_snd_write()
800 			(bt->tx->packet_w - bt->tx->packet_r) * packet_size;  in mtk_btcvsd_snd_write()
802 		cur_write_idx = (bt->tx->packet_w % SCO_TX_PACKER_BUF_NUM) *  in mtk_btcvsd_snd_write()
807 			int ret = wait_for_bt_irq(bt, bt->tx);  in mtk_btcvsd_snd_write()
815 		/* count must be multiple of bt->tx->packet_size */  in mtk_btcvsd_snd_write()
830 		cont = bt->tx->buf_size - cur_write_idx;  in mtk_btcvsd_snd_write()
842 		bt->tx->packet_w += write_size / packet_size;  in mtk_btcvsd_snd_write()
854 		return bt->tx;  in get_bt_stream()
884 		bt->tx->substream = substream;  in mtk_pcm_btcvsd_open()
913 	    params_buffer_bytes(hw_params) % bt->tx->packet_size != 0) {  in mtk_pcm_btcvsd_hw_params()
992 		bt_stream = bt->tx;  in mtk_pcm_btcvsd_pointer()
1000 			bt->tx->packet_r : bt->rx->packet_w;  in mtk_pcm_btcvsd_pointer()
1076 	bool lpbk_en = bt->tx->state == BT_SCO_STATE_LOOPBACK;  in btcvsd_loopback_get()
1089 		mtk_btcvsd_snd_set_state(bt, bt->tx, BT_SCO_STATE_LOOPBACK);  in btcvsd_loopback_set()
1092 		mtk_btcvsd_snd_set_state(bt, bt->tx, BT_SCO_STATE_RUNNING);  in btcvsd_loopback_set()
1104 	if (!bt->tx) {  in btcvsd_tx_mute_get()
1109 	ucontrol->value.integer.value[0] = bt->tx->mute;  in btcvsd_tx_mute_get()
1119 	if (!bt->tx)  in btcvsd_tx_mute_set()
1122 	bt->tx->mute = ucontrol->value.integer.value[0];  in btcvsd_tx_mute_set()
1186 	if (!bt->tx)  in btcvsd_tx_irq_received_get()
1189 	ucontrol->value.integer.value[0] = bt->tx->rw_cnt ? 1 : 0;  in btcvsd_tx_irq_received_get()
1199 	ucontrol->value.integer.value[0] = bt->tx->timeout;  in btcvsd_tx_timeout_get()
1235 	SOC_SINGLE_BOOL_EXT("BTCVSD Tx Mute Switch", 0,
1237 	SOC_SINGLE_BOOL_EXT("BTCVSD Tx Irq Received Switch", 0,
1239 	SOC_SINGLE_BOOL_EXT("BTCVSD Tx Timeout Switch", 0,
1248 	SND_SOC_BYTES_TLV("BTCVSD Tx Timestamp",
1288 	/* init tx/rx */  in mtk_btcvsd_snd_probe()
1293 	btcvsd->tx = devm_kzalloc(btcvsd->dev, sizeof(*btcvsd->tx), GFP_KERNEL);  in mtk_btcvsd_snd_probe()
1294 	if (!btcvsd->tx)  in mtk_btcvsd_snd_probe()
1366 	mtk_btcvsd_snd_set_state(btcvsd, btcvsd->tx, BT_SCO_STATE_IDLE);  in mtk_btcvsd_snd_probe()