Lines Matching refs:bdev
84 #define btmtkuart_is_standalone(bdev) \ argument
85 ((bdev)->data->flags & BTMTKUART_FLAG_STANDALONE_HW)
86 #define btmtkuart_is_builtin_soc(bdev) \ argument
87 !((bdev)->data->flags & BTMTKUART_FLAG_STANDALONE_HW)
92 struct btmtkuart_dev *bdev = hci_get_drvdata(hdev); in mtk_hci_wmt_sync() local
120 set_bit(BTMTKUART_TX_WAIT_VND_EVT, &bdev->tx_state); in mtk_hci_wmt_sync()
124 clear_bit(BTMTKUART_TX_WAIT_VND_EVT, &bdev->tx_state); in mtk_hci_wmt_sync()
137 err = wait_on_bit_timeout(&bdev->tx_state, BTMTKUART_TX_WAIT_VND_EVT, in mtk_hci_wmt_sync()
141 clear_bit(BTMTKUART_TX_WAIT_VND_EVT, &bdev->tx_state); in mtk_hci_wmt_sync()
147 clear_bit(BTMTKUART_TX_WAIT_VND_EVT, &bdev->tx_state); in mtk_hci_wmt_sync()
153 wmt_evt = (struct btmtk_hci_wmt_evt *)bdev->evt_skb->data; in mtk_hci_wmt_sync()
185 kfree_skb(bdev->evt_skb); in mtk_hci_wmt_sync()
186 bdev->evt_skb = NULL; in mtk_hci_wmt_sync()
193 struct btmtkuart_dev *bdev = hci_get_drvdata(hdev); in btmtkuart_recv_event() local
200 if (test_bit(BTMTKUART_TX_WAIT_VND_EVT, &bdev->tx_state)) { in btmtkuart_recv_event()
201 bdev->evt_skb = skb_clone(skb, GFP_KERNEL); in btmtkuart_recv_event()
202 if (!bdev->evt_skb) { in btmtkuart_recv_event()
214 &bdev->tx_state)) { in btmtkuart_recv_event()
217 wake_up_bit(&bdev->tx_state, BTMTKUART_TX_WAIT_VND_EVT); in btmtkuart_recv_event()
224 kfree_skb(bdev->evt_skb); in btmtkuart_recv_event()
225 bdev->evt_skb = NULL; in btmtkuart_recv_event()
239 struct btmtkuart_dev *bdev = container_of(work, struct btmtkuart_dev, in btmtkuart_tx_work() local
241 struct serdev_device *serdev = bdev->serdev; in btmtkuart_tx_work()
242 struct hci_dev *hdev = bdev->hdev; in btmtkuart_tx_work()
245 clear_bit(BTMTKUART_TX_STATE_WAKEUP, &bdev->tx_state); in btmtkuart_tx_work()
248 struct sk_buff *skb = skb_dequeue(&bdev->txq); in btmtkuart_tx_work()
260 skb_queue_head(&bdev->txq, skb); in btmtkuart_tx_work()
279 if (!test_bit(BTMTKUART_TX_STATE_WAKEUP, &bdev->tx_state)) in btmtkuart_tx_work()
283 clear_bit(BTMTKUART_TX_STATE_ACTIVE, &bdev->tx_state); in btmtkuart_tx_work()
286 static void btmtkuart_tx_wakeup(struct btmtkuart_dev *bdev) in btmtkuart_tx_wakeup() argument
288 if (test_and_set_bit(BTMTKUART_TX_STATE_ACTIVE, &bdev->tx_state)) in btmtkuart_tx_wakeup()
289 set_bit(BTMTKUART_TX_STATE_WAKEUP, &bdev->tx_state); in btmtkuart_tx_wakeup()
291 schedule_work(&bdev->tx_work); in btmtkuart_tx_wakeup()
295 mtk_stp_split(struct btmtkuart_dev *bdev, const unsigned char *data, int count, in mtk_stp_split() argument
301 if (!bdev->stp_dlen && bdev->stp_cursor >= 6) in mtk_stp_split()
302 bdev->stp_cursor = 0; in mtk_stp_split()
305 while (bdev->stp_cursor < 6 && count > 0) { in mtk_stp_split()
306 bdev->stp_pad[bdev->stp_cursor] = *data; in mtk_stp_split()
307 bdev->stp_cursor++; in mtk_stp_split()
313 if (!bdev->stp_dlen && bdev->stp_cursor >= 6) { in mtk_stp_split()
314 shdr = (struct mtk_stp_hdr *)&bdev->stp_pad[2]; in mtk_stp_split()
315 bdev->stp_dlen = be16_to_cpu(shdr->dlen) & 0x0fff; in mtk_stp_split()
318 if (shdr->prefix != 0x80 || bdev->stp_dlen > 2048) { in mtk_stp_split()
319 bt_dev_err(bdev->hdev, "stp format unexpect (%d, %d)", in mtk_stp_split()
320 shdr->prefix, bdev->stp_dlen); in mtk_stp_split()
321 bdev->stp_cursor = 2; in mtk_stp_split()
322 bdev->stp_dlen = 0; in mtk_stp_split()
331 *sz_h4 = min_t(int, count, bdev->stp_dlen); in mtk_stp_split()
334 bdev->stp_dlen -= *sz_h4; in mtk_stp_split()
342 struct btmtkuart_dev *bdev = hci_get_drvdata(hdev); in btmtkuart_recv() local
363 p_h4 = mtk_stp_split(bdev, p_left, sz_left, &sz_h4); in btmtkuart_recv()
371 bdev->rx_skb = h4_recv_buf(bdev->hdev, bdev->rx_skb, p_h4, in btmtkuart_recv()
374 if (IS_ERR(bdev->rx_skb)) { in btmtkuart_recv()
375 err = PTR_ERR(bdev->rx_skb); in btmtkuart_recv()
376 bt_dev_err(bdev->hdev, in btmtkuart_recv()
378 bdev->rx_skb = NULL; in btmtkuart_recv()
390 struct btmtkuart_dev *bdev = serdev_device_get_drvdata(serdev); in btmtkuart_receive_buf() local
392 btmtkuart_recv(bdev->hdev, data, count); in btmtkuart_receive_buf()
394 bdev->hdev->stat.byte_rx += count; in btmtkuart_receive_buf()
401 struct btmtkuart_dev *bdev = serdev_device_get_drvdata(serdev); in btmtkuart_write_wakeup() local
403 btmtkuart_tx_wakeup(bdev); in btmtkuart_write_wakeup()
413 struct btmtkuart_dev *bdev = hci_get_drvdata(hdev); in btmtkuart_open() local
417 err = serdev_device_open(bdev->serdev); in btmtkuart_open()
420 dev_name(&bdev->serdev->dev)); in btmtkuart_open()
424 if (btmtkuart_is_standalone(bdev)) { in btmtkuart_open()
425 if (bdev->curr_speed != bdev->desired_speed) in btmtkuart_open()
426 err = serdev_device_set_baudrate(bdev->serdev, in btmtkuart_open()
429 err = serdev_device_set_baudrate(bdev->serdev, in btmtkuart_open()
430 bdev->desired_speed); in btmtkuart_open()
434 dev_name(&bdev->serdev->dev)); in btmtkuart_open()
438 serdev_device_set_flow_control(bdev->serdev, false); in btmtkuart_open()
441 bdev->stp_cursor = 2; in btmtkuart_open()
442 bdev->stp_dlen = 0; in btmtkuart_open()
444 dev = &bdev->serdev->dev; in btmtkuart_open()
452 err = clk_prepare_enable(bdev->clk); in btmtkuart_open()
463 serdev_device_close(bdev->serdev); in btmtkuart_open()
470 struct btmtkuart_dev *bdev = hci_get_drvdata(hdev); in btmtkuart_close() local
471 struct device *dev = &bdev->serdev->dev; in btmtkuart_close()
474 clk_disable_unprepare(bdev->clk); in btmtkuart_close()
478 serdev_device_close(bdev->serdev); in btmtkuart_close()
485 struct btmtkuart_dev *bdev = hci_get_drvdata(hdev); in btmtkuart_flush() local
488 serdev_device_write_flush(bdev->serdev); in btmtkuart_flush()
489 skb_queue_purge(&bdev->txq); in btmtkuart_flush()
491 cancel_work_sync(&bdev->tx_work); in btmtkuart_flush()
493 kfree_skb(bdev->rx_skb); in btmtkuart_flush()
494 bdev->rx_skb = NULL; in btmtkuart_flush()
496 bdev->stp_cursor = 2; in btmtkuart_flush()
497 bdev->stp_dlen = 0; in btmtkuart_flush()
526 struct btmtkuart_dev *bdev = hci_get_drvdata(hdev); in btmtkuart_change_baudrate() local
535 baudrate = cpu_to_le32(bdev->desired_speed); in btmtkuart_change_baudrate()
548 err = serdev_device_set_baudrate(bdev->serdev, in btmtkuart_change_baudrate()
549 bdev->desired_speed); in btmtkuart_change_baudrate()
556 serdev_device_set_flow_control(bdev->serdev, false); in btmtkuart_change_baudrate()
560 err = serdev_device_write_buf(bdev->serdev, ¶m, sizeof(param)); in btmtkuart_change_baudrate()
564 serdev_device_wait_until_sent(bdev->serdev, 0); in btmtkuart_change_baudrate()
583 bdev->curr_speed = bdev->desired_speed; in btmtkuart_change_baudrate()
590 struct btmtkuart_dev *bdev = hci_get_drvdata(hdev); in btmtkuart_setup() local
604 if (test_bit(BTMTKUART_REQUIRED_WAKEUP, &bdev->tx_state)) { in btmtkuart_setup()
617 clear_bit(BTMTKUART_REQUIRED_WAKEUP, &bdev->tx_state); in btmtkuart_setup()
620 if (btmtkuart_is_standalone(bdev)) in btmtkuart_setup()
642 err = btmtk_setup_firmware(hdev, bdev->data->fwname, mtk_hci_wmt_sync); in btmtkuart_setup()
727 struct btmtkuart_dev *bdev = hci_get_drvdata(hdev); in btmtkuart_send_frame() local
753 skb_queue_tail(&bdev->txq, skb); in btmtkuart_send_frame()
755 btmtkuart_tx_wakeup(bdev); in btmtkuart_send_frame()
761 struct btmtkuart_dev *bdev = serdev_device_get_drvdata(serdev); in btmtkuart_parse_dt() local
766 if (btmtkuart_is_standalone(bdev)) { in btmtkuart_parse_dt()
769 bdev->desired_speed = speed; in btmtkuart_parse_dt()
771 bdev->vcc = devm_regulator_get(&serdev->dev, "vcc"); in btmtkuart_parse_dt()
772 if (IS_ERR(bdev->vcc)) { in btmtkuart_parse_dt()
773 err = PTR_ERR(bdev->vcc); in btmtkuart_parse_dt()
777 bdev->osc = devm_clk_get_optional(&serdev->dev, "osc"); in btmtkuart_parse_dt()
778 if (IS_ERR(bdev->osc)) { in btmtkuart_parse_dt()
779 err = PTR_ERR(bdev->osc); in btmtkuart_parse_dt()
783 bdev->boot = devm_gpiod_get_optional(&serdev->dev, "boot", in btmtkuart_parse_dt()
785 if (IS_ERR(bdev->boot)) { in btmtkuart_parse_dt()
786 err = PTR_ERR(bdev->boot); in btmtkuart_parse_dt()
790 bdev->pinctrl = devm_pinctrl_get(&serdev->dev); in btmtkuart_parse_dt()
791 if (IS_ERR(bdev->pinctrl)) { in btmtkuart_parse_dt()
792 err = PTR_ERR(bdev->pinctrl); in btmtkuart_parse_dt()
796 bdev->pins_boot = pinctrl_lookup_state(bdev->pinctrl, in btmtkuart_parse_dt()
798 if (IS_ERR(bdev->pins_boot) && !bdev->boot) { in btmtkuart_parse_dt()
799 err = PTR_ERR(bdev->pins_boot); in btmtkuart_parse_dt()
805 bdev->pins_runtime = pinctrl_lookup_state(bdev->pinctrl, in btmtkuart_parse_dt()
807 if (IS_ERR(bdev->pins_runtime)) { in btmtkuart_parse_dt()
808 err = PTR_ERR(bdev->pins_runtime); in btmtkuart_parse_dt()
812 bdev->reset = devm_gpiod_get_optional(&serdev->dev, "reset", in btmtkuart_parse_dt()
814 if (IS_ERR(bdev->reset)) { in btmtkuart_parse_dt()
815 err = PTR_ERR(bdev->reset); in btmtkuart_parse_dt()
818 } else if (btmtkuart_is_builtin_soc(bdev)) { in btmtkuart_parse_dt()
819 bdev->clk = devm_clk_get(&serdev->dev, "ref"); in btmtkuart_parse_dt()
820 if (IS_ERR(bdev->clk)) in btmtkuart_parse_dt()
821 return PTR_ERR(bdev->clk); in btmtkuart_parse_dt()
829 struct btmtkuart_dev *bdev; in btmtkuart_probe() local
833 bdev = devm_kzalloc(&serdev->dev, sizeof(*bdev), GFP_KERNEL); in btmtkuart_probe()
834 if (!bdev) in btmtkuart_probe()
837 bdev->data = of_device_get_match_data(&serdev->dev); in btmtkuart_probe()
838 if (!bdev->data) in btmtkuart_probe()
841 bdev->serdev = serdev; in btmtkuart_probe()
842 serdev_device_set_drvdata(serdev, bdev); in btmtkuart_probe()
850 INIT_WORK(&bdev->tx_work, btmtkuart_tx_work); in btmtkuart_probe()
851 skb_queue_head_init(&bdev->txq); in btmtkuart_probe()
860 bdev->hdev = hdev; in btmtkuart_probe()
863 hci_set_drvdata(hdev, bdev); in btmtkuart_probe()
877 if (btmtkuart_is_standalone(bdev)) { in btmtkuart_probe()
878 err = clk_prepare_enable(bdev->osc); in btmtkuart_probe()
882 if (bdev->boot) { in btmtkuart_probe()
883 gpiod_set_value_cansleep(bdev->boot, 1); in btmtkuart_probe()
888 pinctrl_select_state(bdev->pinctrl, bdev->pins_boot); in btmtkuart_probe()
892 err = regulator_enable(bdev->vcc); in btmtkuart_probe()
899 if (bdev->reset) { in btmtkuart_probe()
900 gpiod_set_value_cansleep(bdev->reset, 1); in btmtkuart_probe()
902 gpiod_set_value_cansleep(bdev->reset, 0); in btmtkuart_probe()
910 if (bdev->boot) in btmtkuart_probe()
911 devm_gpiod_put(&serdev->dev, bdev->boot); in btmtkuart_probe()
913 pinctrl_select_state(bdev->pinctrl, bdev->pins_runtime); in btmtkuart_probe()
920 set_bit(BTMTKUART_REQUIRED_WAKEUP, &bdev->tx_state); in btmtkuart_probe()
932 if (btmtkuart_is_standalone(bdev)) in btmtkuart_probe()
933 regulator_disable(bdev->vcc); in btmtkuart_probe()
935 if (btmtkuart_is_standalone(bdev)) in btmtkuart_probe()
936 clk_disable_unprepare(bdev->osc); in btmtkuart_probe()
945 struct btmtkuart_dev *bdev = serdev_device_get_drvdata(serdev); in btmtkuart_remove() local
946 struct hci_dev *hdev = bdev->hdev; in btmtkuart_remove()
948 if (btmtkuart_is_standalone(bdev)) { in btmtkuart_remove()
949 regulator_disable(bdev->vcc); in btmtkuart_remove()
950 clk_disable_unprepare(bdev->osc); in btmtkuart_remove()