80 	struct btmtkuart_dev *bdev = hci_get_drvdata(hdev);  in mtk_hci_wmt_sync()  local
97 	set_bit(BTMTKUART_TX_WAIT_VND_EVT, &bdev->tx_state);  in mtk_hci_wmt_sync()
101 		clear_bit(BTMTKUART_TX_WAIT_VND_EVT, &bdev->tx_state);  in mtk_hci_wmt_sync()
114 	err = wait_on_bit_timeout(&bdev->tx_state, BTMTKUART_TX_WAIT_VND_EVT,  in mtk_hci_wmt_sync()
184 	struct btmtkuart_dev *bdev = hci_get_drvdata(hdev);  in btmtkuart_recv_event()  local
199 				       &bdev->tx_state)) {  in btmtkuart_recv_event()
202 			wake_up_bit(&bdev->tx_state, BTMTKUART_TX_WAIT_VND_EVT);  in btmtkuart_recv_event()
217 	struct btmtkuart_dev *bdev = container_of(work, struct btmtkuart_dev,  in btmtkuart_tx_work()  local
219 	struct serdev_device *serdev = bdev->serdev;  in btmtkuart_tx_work()
220 	struct hci_dev *hdev = bdev->hdev;  in btmtkuart_tx_work()
223 		clear_bit(BTMTKUART_TX_STATE_WAKEUP, &bdev->tx_state);  in btmtkuart_tx_work()
226 			struct sk_buff *skb = skb_dequeue(&bdev->txq);  in btmtkuart_tx_work()
238 				skb_queue_head(&bdev->txq, skb);  in btmtkuart_tx_work()
257 		if (!test_bit(BTMTKUART_TX_STATE_WAKEUP, &bdev->tx_state))  in btmtkuart_tx_work()
261 	clear_bit(BTMTKUART_TX_STATE_ACTIVE, &bdev->tx_state);  in btmtkuart_tx_work()
264 static void btmtkuart_tx_wakeup(struct btmtkuart_dev *bdev)  in btmtkuart_tx_wakeup()  argument
266 	if (test_and_set_bit(BTMTKUART_TX_STATE_ACTIVE, &bdev->tx_state))  in btmtkuart_tx_wakeup()
267 		set_bit(BTMTKUART_TX_STATE_WAKEUP, &bdev->tx_state);  in btmtkuart_tx_wakeup()
269 	schedule_work(&bdev->tx_work);  in btmtkuart_tx_wakeup()
273 mtk_stp_split(struct btmtkuart_dev *bdev, const unsigned char *data, int count,  in mtk_stp_split()  argument
279 	if (!bdev->stp_dlen && bdev->stp_cursor >= 6)  in mtk_stp_split()
280 		bdev->stp_cursor = 0;  in mtk_stp_split()
283 	while (bdev->stp_cursor < 6 && count > 0) {  in mtk_stp_split()
284 		bdev->stp_pad[bdev->stp_cursor] = *data;  in mtk_stp_split()
285 		bdev->stp_cursor++;  in mtk_stp_split()
291 	if (!bdev->stp_dlen && bdev->stp_cursor >= 6) {  in mtk_stp_split()
292 		shdr = (struct mtk_stp_hdr *)&bdev->stp_pad[2];  in mtk_stp_split()
293 		bdev->stp_dlen = be16_to_cpu(shdr->dlen) & 0x0fff;  in mtk_stp_split()
296 		if (shdr->prefix != 0x80 || bdev->stp_dlen > 2048) {  in mtk_stp_split()
297 			bt_dev_err(bdev->hdev, "stp format unexpect (%d, %d)",  in mtk_stp_split()
298 				   shdr->prefix, bdev->stp_dlen);  in mtk_stp_split()
299 			bdev->stp_cursor = 2;  in mtk_stp_split()
300 			bdev->stp_dlen = 0;  in mtk_stp_split()
309 	*sz_h4 = min_t(int, count, bdev->stp_dlen);  in mtk_stp_split()
312 	bdev->stp_dlen -= *sz_h4;  in mtk_stp_split()
320 	struct btmtkuart_dev *bdev = hci_get_drvdata(hdev);  in btmtkuart_recv()  local
341 		p_h4 = mtk_stp_split(bdev, p_left, sz_left, &sz_h4);  in btmtkuart_recv()
349 		bdev->rx_skb = h4_recv_buf(bdev->hdev, bdev->rx_skb, p_h4,  in btmtkuart_recv()
352 		if (IS_ERR(bdev->rx_skb)) {  in btmtkuart_recv()
353 			err = PTR_ERR(bdev->rx_skb);  in btmtkuart_recv()
354 			bt_dev_err(bdev->hdev,  in btmtkuart_recv()
356 			bdev->rx_skb = NULL;  in btmtkuart_recv()
370 	struct btmtkuart_dev *bdev = serdev_device_get_drvdata(serdev);  in btmtkuart_receive_buf()  local
373 	err = btmtkuart_recv(bdev->hdev, data, count);  in btmtkuart_receive_buf()
377 	bdev->hdev->stat.byte_rx += count;  in btmtkuart_receive_buf()
384 	struct btmtkuart_dev *bdev = serdev_device_get_drvdata(serdev);  in btmtkuart_write_wakeup()  local
386 	btmtkuart_tx_wakeup(bdev);  in btmtkuart_write_wakeup()
396 	struct btmtkuart_dev *bdev = hci_get_drvdata(hdev);  in btmtkuart_open()  local
400 	err = serdev_device_open(bdev->serdev);  in btmtkuart_open()
403 			   dev_name(&bdev->serdev->dev));  in btmtkuart_open()
407 	bdev->stp_cursor = 2;  in btmtkuart_open()
408 	bdev->stp_dlen = 0;  in btmtkuart_open()
410 	dev = &bdev->serdev->dev;  in btmtkuart_open()
420 	err = clk_prepare_enable(bdev->clk);  in btmtkuart_open()
436 	struct btmtkuart_dev *bdev = hci_get_drvdata(hdev);  in btmtkuart_close()  local
437 	struct device *dev = &bdev->serdev->dev;  in btmtkuart_close()
440 	clk_disable_unprepare(bdev->clk);  in btmtkuart_close()
444 	serdev_device_close(bdev->serdev);  in btmtkuart_close()
451 	struct btmtkuart_dev *bdev = hci_get_drvdata(hdev);  in btmtkuart_flush()  local
454 	serdev_device_write_flush(bdev->serdev);  in btmtkuart_flush()
455 	skb_queue_purge(&bdev->txq);  in btmtkuart_flush()
457 	cancel_work_sync(&bdev->tx_work);  in btmtkuart_flush()
459 	kfree_skb(bdev->rx_skb);  in btmtkuart_flush()
460 	bdev->rx_skb = NULL;  in btmtkuart_flush()
462 	bdev->stp_cursor = 2;  in btmtkuart_flush()
463 	bdev->stp_dlen = 0;  in btmtkuart_flush()
514 	struct btmtkuart_dev *bdev = hci_get_drvdata(hdev);  in btmtkuart_send_frame()  local
540 	skb_queue_tail(&bdev->txq, skb);  in btmtkuart_send_frame()
542 	btmtkuart_tx_wakeup(bdev);  in btmtkuart_send_frame()
548 	struct btmtkuart_dev *bdev;  in btmtkuart_probe()  local
551 	bdev = devm_kzalloc(&serdev->dev, sizeof(*bdev), GFP_KERNEL);  in btmtkuart_probe()
552 	if (!bdev)  in btmtkuart_probe()
555 	bdev->clk = devm_clk_get(&serdev->dev, "ref");  in btmtkuart_probe()
556 	if (IS_ERR(bdev->clk))  in btmtkuart_probe()
557 		return PTR_ERR(bdev->clk);  in btmtkuart_probe()
559 	bdev->serdev = serdev;  in btmtkuart_probe()
560 	serdev_device_set_drvdata(serdev, bdev);  in btmtkuart_probe()
564 	INIT_WORK(&bdev->tx_work, btmtkuart_tx_work);  in btmtkuart_probe()
565 	skb_queue_head_init(&bdev->txq);  in btmtkuart_probe()
574 	bdev->hdev = hdev;  in btmtkuart_probe()
577 	hci_set_drvdata(hdev, bdev);  in btmtkuart_probe()
601 	struct btmtkuart_dev *bdev = serdev_device_get_drvdata(serdev);  in btmtkuart_remove()  local
602 	struct hci_dev *hdev = bdev->hdev;  in btmtkuart_remove()