Lines Matching refs:hu
24 static inline void hci_uart_tx_complete(struct hci_uart *hu, int pkt_type)
26 struct hci_dev *hdev = hu->hdev;
44 static inline struct sk_buff *hci_uart_dequeue(struct hci_uart *hu)
46 struct sk_buff *skb = hu->tx_skb;
49 if (test_bit(HCI_UART_PROTO_READY, &hu->flags))
50 skb = hu->proto->dequeue(hu);
52 hu->tx_skb = NULL;
59 struct hci_uart *hu = container_of(work, struct hci_uart, write_work);
60 struct serdev_device *serdev = hu->serdev;
61 struct hci_dev *hdev = hu->hdev;
68 clear_bit(HCI_UART_TX_WAKEUP, &hu->tx_state);
70 while ((skb = hci_uart_dequeue(hu))) {
79 hu->tx_skb = skb;
83 hci_uart_tx_complete(hu, hci_skb_pkt_type(skb));
87 clear_bit(HCI_UART_SENDING, &hu->tx_state);
88 } while (test_bit(HCI_UART_TX_WAKEUP, &hu->tx_state));
96 struct hci_uart *hu = hci_get_drvdata(hdev);
98 BT_DBG("hdev %p serdev %p", hdev, hu->serdev);
100 if (hu->tx_skb) {
101 kfree_skb(hu->tx_skb); hu->tx_skb = NULL;
105 serdev_device_write_flush(hu->serdev);
107 if (test_bit(HCI_UART_PROTO_READY, &hu->flags))
108 hu->proto->flush(hu);
116 struct hci_uart *hu = hci_get_drvdata(hdev);
125 if (!test_bit(HCI_UART_PROTO_READY, &hu->flags)) {
126 err = serdev_device_open(hu->serdev);
129 set_bit(HCI_UART_PROTO_READY, &hu->flags);
141 struct hci_uart *hu = hci_get_drvdata(hdev);
145 if (!test_bit(HCI_UART_PROTO_READY, &hu->flags))
156 clear_bit(HCI_UART_PROTO_READY, &hu->flags);
157 serdev_device_close(hu->serdev);
166 struct hci_uart *hu = hci_get_drvdata(hdev);
171 hu->proto->enqueue(hu, skb);
173 hci_uart_tx_wakeup(hu);
180 struct hci_uart *hu = hci_get_drvdata(hdev);
187 if (hu->init_speed)
188 speed = hu->init_speed;
189 else if (hu->proto->init_speed)
190 speed = hu->proto->init_speed;
195 serdev_device_set_baudrate(hu->serdev, speed);
198 if (hu->oper_speed)
199 speed = hu->oper_speed;
200 else if (hu->proto->oper_speed)
201 speed = hu->proto->oper_speed;
205 if (hu->proto->set_baudrate && speed) {
206 err = hu->proto->set_baudrate(hu, speed);
210 serdev_device_set_baudrate(hu->serdev, speed);
213 if (hu->proto->setup)
214 return hu->proto->setup(hu);
216 if (!test_bit(HCI_UART_VND_DETECT, &hu->hdev_flags))
242 struct hci_uart *hu = serdev_device_get_drvdata(serdev);
246 if (!hu || serdev != hu->serdev) {
251 if (test_bit(HCI_UART_PROTO_READY, &hu->flags))
252 hci_uart_tx_wakeup(hu);
268 struct hci_uart *hu = serdev_device_get_drvdata(serdev);
270 if (!hu || serdev != hu->serdev) {
275 if (!test_bit(HCI_UART_PROTO_READY, &hu->flags))
281 hu->proto->recv(hu, data, count);
283 if (hu->hdev)
284 hu->hdev->stat.byte_rx += count;
294 int hci_uart_register_device(struct hci_uart *hu,
302 serdev_device_set_client_ops(hu->serdev, &hci_serdev_client_ops);
304 if (percpu_init_rwsem(&hu->proto_lock))
307 err = serdev_device_open(hu->serdev);
311 err = p->open(hu);
315 hu->proto = p;
316 set_bit(HCI_UART_PROTO_READY, &hu->flags);
326 hu->hdev = hdev;
329 hci_set_drvdata(hdev, hu);
331 INIT_WORK(&hu->init_ready, hci_uart_init_work);
332 INIT_WORK(&hu->write_work, hci_uart_write_work);
338 if (hu->proto->setup)
339 hdev->manufacturer = hu->proto->manufacturer;
346 SET_HCIDEV_DEV(hdev, &hu->serdev->dev);
348 if (test_bit(HCI_UART_RAW_DEVICE, &hu->hdev_flags))
351 if (test_bit(HCI_UART_EXT_CONFIG, &hu->hdev_flags))
354 if (test_bit(HCI_UART_CREATE_AMP, &hu->hdev_flags))
359 if (test_bit(HCI_UART_INIT_PENDING, &hu->hdev_flags))
368 set_bit(HCI_UART_REGISTERED, &hu->flags);
375 clear_bit(HCI_UART_PROTO_READY, &hu->flags);
376 p->close(hu);
378 serdev_device_close(hu->serdev);
380 percpu_free_rwsem(&hu->proto_lock);
385 void hci_uart_unregister_device(struct hci_uart *hu)
387 struct hci_dev *hdev = hu->hdev;
389 cancel_work_sync(&hu->init_ready);
390 if (test_bit(HCI_UART_REGISTERED, &hu->flags))
394 cancel_work_sync(&hu->write_work);
396 hu->proto->close(hu);
398 if (test_bit(HCI_UART_PROTO_READY, &hu->flags)) {
399 clear_bit(HCI_UART_PROTO_READY, &hu->flags);
400 serdev_device_close(hu->serdev);
402 percpu_free_rwsem(&hu->proto_lock);