72 	int			(*rx_func)(struct hci_uart *hu, u8 c);
75 	struct hci_uart		*hu;		/* Parent HCI UART */  member
111 static void h5_link_control(struct hci_uart *hu, const void *data, size_t len)  in h5_link_control()  argument
113 	struct h5 *h5 = hu->priv;  in h5_link_control()
138 	struct hci_uart *hu = h5->hu;  in h5_timed_event()  local
142 	BT_DBG("%s", hu->hdev->name);  in h5_timed_event()
145 		h5_link_control(hu, sync_req, sizeof(sync_req));  in h5_timed_event()
149 		h5_link_control(hu, conf_req, sizeof(conf_req));  in h5_timed_event()
162 	BT_DBG("hu %p retransmitting %u pkts", hu, h5->unack.qlen);  in h5_timed_event()
174 	hci_uart_tx_wakeup(hu);  in h5_timed_event()
177 static void h5_peer_reset(struct hci_uart *hu)  in h5_peer_reset()  argument
179 	struct h5 *h5 = hu->priv;  in h5_peer_reset()
181 	bt_dev_err(hu->hdev, "Peer device has reset");  in h5_peer_reset()
195 	hci_reset_dev(hu->hdev);  in h5_peer_reset()
198 static int h5_open(struct hci_uart *hu)  in h5_open()  argument
203 	BT_DBG("hu %p", hu);  in h5_open()
205 	if (hu->serdev) {  in h5_open()
206 		h5 = serdev_device_get_drvdata(hu->serdev);  in h5_open()
213 	hu->priv = h5;  in h5_open()
214 	h5->hu = hu;  in h5_open()
229 	set_bit(HCI_UART_INIT_PENDING, &hu->hdev_flags);  in h5_open()
232 	h5_link_control(hu, sync, sizeof(sync));  in h5_open()
238 static int h5_close(struct hci_uart *hu)  in h5_close()  argument
240 	struct h5 *h5 = hu->priv;  in h5_close()
254 	if (!hu->serdev)  in h5_close()
260 static int h5_setup(struct hci_uart *hu)  in h5_setup()  argument
262 	struct h5 *h5 = hu->priv;  in h5_setup()
312 static void h5_handle_internal_rx(struct hci_uart *hu)  in h5_handle_internal_rx()  argument
314 	struct h5 *h5 = hu->priv;  in h5_handle_internal_rx()
325 	BT_DBG("%s", hu->hdev->name);  in h5_handle_internal_rx()
337 			h5_peer_reset(hu);  in h5_handle_internal_rx()
338 		h5_link_control(hu, sync_rsp, 2);  in h5_handle_internal_rx()
341 			h5_peer_reset(hu);  in h5_handle_internal_rx()
343 		h5_link_control(hu, conf_req, 3);  in h5_handle_internal_rx()
345 		h5_link_control(hu, conf_rsp, 2);  in h5_handle_internal_rx()
346 		h5_link_control(hu, conf_req, 3);  in h5_handle_internal_rx()
352 		hci_uart_init_ready(hu);  in h5_handle_internal_rx()
363 		h5_link_control(hu, woken_req, 2);  in h5_handle_internal_rx()
370 	hci_uart_tx_wakeup(hu);  in h5_handle_internal_rx()
373 static void h5_complete_rx_pkt(struct hci_uart *hu)  in h5_complete_rx_pkt()  argument
375 	struct h5 *h5 = hu->priv;  in h5_complete_rx_pkt()
381 		hci_uart_tx_wakeup(hu);  in h5_complete_rx_pkt()
398 		hci_recv_frame(hu->hdev, h5->rx_skb);  in h5_complete_rx_pkt()
404 		h5_handle_internal_rx(hu);  in h5_complete_rx_pkt()
411 static int h5_rx_crc(struct hci_uart *hu, unsigned char c)  in h5_rx_crc()  argument
413 	h5_complete_rx_pkt(hu);  in h5_rx_crc()
418 static int h5_rx_payload(struct hci_uart *hu, unsigned char c)  in h5_rx_payload()  argument
420 	struct h5 *h5 = hu->priv;  in h5_rx_payload()
427 		h5_complete_rx_pkt(hu);  in h5_rx_payload()
433 static int h5_rx_3wire_hdr(struct hci_uart *hu, unsigned char c)  in h5_rx_3wire_hdr()  argument
435 	struct h5 *h5 = hu->priv;  in h5_rx_3wire_hdr()
439 	       hu->hdev->name, H5_HDR_SEQ(hdr), H5_HDR_ACK(hdr),  in h5_rx_3wire_hdr()
444 		bt_dev_err(hu->hdev, "Invalid header checksum");  in h5_rx_3wire_hdr()
450 		bt_dev_err(hu->hdev, "Out-of-order packet arrived (%u != %u)",  in h5_rx_3wire_hdr()
458 		bt_dev_err(hu->hdev, "Non-link packet received in non-active state");  in h5_rx_3wire_hdr()
469 static int h5_rx_pkt_start(struct hci_uart *hu, unsigned char c)  in h5_rx_pkt_start()  argument
471 	struct h5 *h5 = hu->priv;  in h5_rx_pkt_start()
481 		bt_dev_err(hu->hdev, "Can't allocate mem for new packet");  in h5_rx_pkt_start()
486 	h5->rx_skb->dev = (void *)hu->hdev;  in h5_rx_pkt_start()
491 static int h5_rx_delimiter(struct hci_uart *hu, unsigned char c)  in h5_rx_delimiter()  argument
493 	struct h5 *h5 = hu->priv;  in h5_rx_delimiter()
544 static int h5_recv(struct hci_uart *hu, const void *data, int count)  in h5_recv()  argument
546 	struct h5 *h5 = hu->priv;  in h5_recv()
549 	BT_DBG("%s pending %zu count %d", hu->hdev->name, h5->rx_pending,  in h5_recv()
557 				bt_dev_err(hu->hdev, "Too short H5 packet");  in h5_recv()
568 		processed = h5->rx_func(hu, *ptr);  in h5_recv()
579 static int h5_enqueue(struct hci_uart *hu, struct sk_buff *skb)  in h5_enqueue()  argument
581 	struct h5 *h5 = hu->priv;  in h5_enqueue()
584 		bt_dev_err(hu->hdev, "Packet too long (%u bytes)", skb->len);  in h5_enqueue()
590 		bt_dev_err(hu->hdev, "Ignoring HCI data in non-active state");  in h5_enqueue()
607 		bt_dev_err(hu->hdev, "Unknown packet type %u", hci_skb_pkt_type(skb));  in h5_enqueue()
654 static struct sk_buff *h5_prepare_pkt(struct hci_uart *hu, u8 pkt_type,  in h5_prepare_pkt()  argument
657 	struct h5 *h5 = hu->priv;  in h5_prepare_pkt()
663 		bt_dev_err(hu->hdev, "Unknown packet type %u", pkt_type);  in h5_prepare_pkt()
696 	       hu->hdev->name, H5_HDR_SEQ(hdr), H5_HDR_ACK(hdr),  in h5_prepare_pkt()
711 static struct sk_buff *h5_dequeue(struct hci_uart *hu)  in h5_dequeue()  argument
713 	struct h5 *h5 = hu->priv;  in h5_dequeue()
727 		return h5_prepare_pkt(hu, HCI_3WIRE_LINK_PKT, wakeup_req, 2);  in h5_dequeue()
732 		nskb = h5_prepare_pkt(hu, hci_skb_pkt_type(skb),  in h5_dequeue()
740 		bt_dev_err(hu->hdev, "Could not dequeue pkt because alloc_skb failed");  in h5_dequeue()
750 		nskb = h5_prepare_pkt(hu, hci_skb_pkt_type(skb),  in h5_dequeue()
760 		bt_dev_err(hu->hdev, "Could not dequeue pkt because alloc_skb failed");  in h5_dequeue()
767 		return h5_prepare_pkt(hu, HCI_3WIRE_ACK_PKT, NULL, 0);  in h5_dequeue()
772 static int h5_flush(struct hci_uart *hu)  in h5_flush()  argument
774 	BT_DBG("hu %p", hu);  in h5_flush()
799 	h5->hu = &h5->serdev_hu;  in h5_serdev_probe()
879 	btrtl_dev = btrtl_initialize(h5->hu->hdev, h5->id);  in h5_btrtl_setup()
883 	err = btrtl_get_uart_settings(h5->hu->hdev, btrtl_dev,  in h5_btrtl_setup()
890 	skb = __hci_cmd_sync(h5->hu->hdev, 0xfc17, sizeof(baudrate_data),  in h5_btrtl_setup()
893 		rtl_dev_err(h5->hu->hdev, "set baud rate command failed\n");  in h5_btrtl_setup()
902 	serdev_device_set_baudrate(h5->hu->serdev, controller_baudrate);  in h5_btrtl_setup()
903 	serdev_device_set_flow_control(h5->hu->serdev, flow_control);  in h5_btrtl_setup()
905 	err = btrtl_download_firmware(h5->hu->hdev, btrtl_dev);  in h5_btrtl_setup()
912 	set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &h5->hu->hdev->quirks);  in h5_btrtl_setup()
923 	serdev_device_set_flow_control(h5->hu->serdev, false);  in h5_btrtl_open()
924 	serdev_device_set_parity(h5->hu->serdev, SERDEV_PARITY_EVEN);  in h5_btrtl_open()
925 	serdev_device_set_baudrate(h5->hu->serdev, 115200);  in h5_btrtl_open()
947 	serdev_device_set_flow_control(h5->hu->serdev, false);  in h5_btrtl_suspend()
984 	reprobe->dev = get_device(&h5->hu->serdev->dev);  in h5_btrtl_resume()