drivers/bluetooth/btmtkuart.c

55 	struct hci_dev *hdev;
88 static int mtk_hci_wmt_sync(struct hci_dev *hdev,
91 	struct btmtkuart_dev *bdev = hci_get_drvdata(hdev);
121 	err = __hci_cmd_send(hdev, 0xfc6f, hlen, wc);
139 		bt_dev_err(hdev, "Execution of wmt command interrupted");
145 		bt_dev_err(hdev, "Execution of wmt command timed out");
154 		bt_dev_err(hdev, "Wrong op received %d expected %d",
190 static int btmtkuart_recv_event(struct hci_dev *hdev, struct sk_buff *skb)
192 	struct btmtkuart_dev *bdev = hci_get_drvdata(hdev);
207 	err = hci_recv_frame(hdev, skb);
241 	struct hci_dev *hdev = bdev->hdev;
255 			hdev->stat.byte_tx += len;
265 				hdev->stat.cmd_tx++;
268 				hdev->stat.acl_tx++;
271 				hdev->stat.sco_tx++;
318 			bt_dev_err(bdev->hdev, "stp format unexpect (%d, %d)",
339 static void btmtkuart_recv(struct hci_dev *hdev, const u8 *data, size_t count)
341 	struct btmtkuart_dev *bdev = hci_get_drvdata(hdev);
370 		bdev->rx_skb = h4_recv_buf(bdev->hdev, bdev->rx_skb, p_h4,
375 			bt_dev_err(bdev->hdev,
391 	btmtkuart_recv(bdev->hdev, data, count);
393 	bdev->hdev->stat.byte_rx += count;
410 static int btmtkuart_open(struct hci_dev *hdev)
412 	struct btmtkuart_dev *bdev = hci_get_drvdata(hdev);
418 		bt_dev_err(hdev, "Unable to open UART device %s",
432 			bt_dev_err(hdev, "Unable to set baudrate UART device %s",
467 static int btmtkuart_close(struct hci_dev *hdev)
469 	struct btmtkuart_dev *bdev = hci_get_drvdata(hdev);
482 static int btmtkuart_flush(struct hci_dev *hdev)
484 	struct btmtkuart_dev *bdev = hci_get_drvdata(hdev);
501 static int btmtkuart_func_query(struct hci_dev *hdev)
514 	err = mtk_hci_wmt_sync(hdev, &wmt_params);
516 		bt_dev_err(hdev, "Failed to query function status (%d)", err);
523 static int btmtkuart_change_baudrate(struct hci_dev *hdev)
525 	struct btmtkuart_dev *bdev = hci_get_drvdata(hdev);
541 	err = mtk_hci_wmt_sync(hdev, &wmt_params);
543 		bt_dev_err(hdev, "Failed to device baudrate (%d)", err);
550 		bt_dev_err(hdev, "Failed to set up host baudrate (%d)",
575 	err = mtk_hci_wmt_sync(hdev, &wmt_params);
577 		bt_dev_err(hdev, "Failed to test new baudrate (%d)",
587 static int btmtkuart_setup(struct hci_dev *hdev)
589 	struct btmtkuart_dev *bdev = hci_get_drvdata(hdev);
610 		err = mtk_hci_wmt_sync(hdev, &wmt_params);
612 			bt_dev_err(hdev, "Failed to wakeup the chip (%d)", err);
620 		btmtkuart_change_baudrate(hdev);
629 	err = mtk_hci_wmt_sync(hdev, &wmt_params);
631 		bt_dev_err(hdev, "Failed to query firmware status (%d)", err);
636 		bt_dev_info(hdev, "Firmware already downloaded");
641 	err = btmtk_setup_firmware(hdev, bdev->data->fwname, mtk_hci_wmt_sync);
647 	err = readx_poll_timeout(btmtkuart_func_query, hdev, status,
659 		bt_dev_info(hdev, "function already on");
670 	err = mtk_hci_wmt_sync(hdev, &wmt_params);
672 		bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err);
684 	skb = __hci_cmd_sync(hdev, 0xfc7a, sizeof(tci_sleep), &tci_sleep,
688 		bt_dev_err(hdev, "Failed to apply low power setting (%d)", err);
697 	bt_dev_info(hdev, "Device setup in %llu usecs", duration);
702 static int btmtkuart_shutdown(struct hci_dev *hdev)
715 	err = mtk_hci_wmt_sync(hdev, &wmt_params);
717 		bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err);
724 static int btmtkuart_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
726 	struct btmtkuart_dev *bdev = hci_get_drvdata(hdev);
829 	struct hci_dev *hdev;
853 	hdev = hci_alloc_dev();
854 	if (!hdev) {
859 	bdev->hdev = hdev;
861 	hdev->bus = HCI_UART;
862 	hci_set_drvdata(hdev, bdev);
864 	hdev->open     = btmtkuart_open;
865 	hdev->close    = btmtkuart_close;
866 	hdev->flush    = btmtkuart_flush;
867 	hdev->setup    = btmtkuart_setup;
868 	hdev->shutdown = btmtkuart_shutdown;
869 	hdev->send     = btmtkuart_send_frame;
870 	hdev->set_bdaddr = btmtk_set_bdaddr;
871 	SET_HCIDEV_DEV(hdev, &serdev->dev);
873 	hdev->manufacturer = 70;
874 	set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks);
922 	err = hci_register_dev(hdev);
937 	hci_free_dev(hdev);
945 	struct hci_dev *hdev = bdev->hdev;
952 	hci_unregister_dev(hdev);
953 	hci_free_dev(hdev);