Lines Matching refs:bdev
85 #define btmtkuart_is_standalone(bdev) \ argument
86 ((bdev)->data->flags & BTMTKUART_FLAG_STANDALONE_HW)
87 #define btmtkuart_is_builtin_soc(bdev) \ argument
88 !((bdev)->data->flags & BTMTKUART_FLAG_STANDALONE_HW)
93 struct btmtkuart_dev *bdev = hci_get_drvdata(hdev); in mtk_hci_wmt_sync() local
121 set_bit(BTMTKUART_TX_WAIT_VND_EVT, &bdev->tx_state); in mtk_hci_wmt_sync()
125 clear_bit(BTMTKUART_TX_WAIT_VND_EVT, &bdev->tx_state); in mtk_hci_wmt_sync()
138 err = wait_on_bit_timeout(&bdev->tx_state, BTMTKUART_TX_WAIT_VND_EVT, in mtk_hci_wmt_sync()
142 clear_bit(BTMTKUART_TX_WAIT_VND_EVT, &bdev->tx_state); in mtk_hci_wmt_sync()
148 clear_bit(BTMTKUART_TX_WAIT_VND_EVT, &bdev->tx_state); in mtk_hci_wmt_sync()
154 wmt_evt = (struct btmtk_hci_wmt_evt *)bdev->evt_skb->data; in mtk_hci_wmt_sync()
186 kfree_skb(bdev->evt_skb); in mtk_hci_wmt_sync()
187 bdev->evt_skb = NULL; in mtk_hci_wmt_sync()
194 struct btmtkuart_dev *bdev = hci_get_drvdata(hdev); in btmtkuart_recv_event() local
201 if (test_bit(BTMTKUART_TX_WAIT_VND_EVT, &bdev->tx_state)) { in btmtkuart_recv_event()
202 bdev->evt_skb = skb_clone(skb, GFP_KERNEL); in btmtkuart_recv_event()
203 if (!bdev->evt_skb) { in btmtkuart_recv_event()
215 &bdev->tx_state)) { in btmtkuart_recv_event()
218 wake_up_bit(&bdev->tx_state, BTMTKUART_TX_WAIT_VND_EVT); in btmtkuart_recv_event()
225 kfree_skb(bdev->evt_skb); in btmtkuart_recv_event()
226 bdev->evt_skb = NULL; in btmtkuart_recv_event()
240 struct btmtkuart_dev *bdev = container_of(work, struct btmtkuart_dev, in btmtkuart_tx_work() local
242 struct serdev_device *serdev = bdev->serdev; in btmtkuart_tx_work()
243 struct hci_dev *hdev = bdev->hdev; in btmtkuart_tx_work()
246 clear_bit(BTMTKUART_TX_STATE_WAKEUP, &bdev->tx_state); in btmtkuart_tx_work()
249 struct sk_buff *skb = skb_dequeue(&bdev->txq); in btmtkuart_tx_work()
261 skb_queue_head(&bdev->txq, skb); in btmtkuart_tx_work()
280 if (!test_bit(BTMTKUART_TX_STATE_WAKEUP, &bdev->tx_state)) in btmtkuart_tx_work()
284 clear_bit(BTMTKUART_TX_STATE_ACTIVE, &bdev->tx_state); in btmtkuart_tx_work()
287 static void btmtkuart_tx_wakeup(struct btmtkuart_dev *bdev) in btmtkuart_tx_wakeup() argument
289 if (test_and_set_bit(BTMTKUART_TX_STATE_ACTIVE, &bdev->tx_state)) in btmtkuart_tx_wakeup()
290 set_bit(BTMTKUART_TX_STATE_WAKEUP, &bdev->tx_state); in btmtkuart_tx_wakeup()
292 schedule_work(&bdev->tx_work); in btmtkuart_tx_wakeup()
296 mtk_stp_split(struct btmtkuart_dev *bdev, const unsigned char *data, int count, in mtk_stp_split() argument
302 if (!bdev->stp_dlen && bdev->stp_cursor >= 6) in mtk_stp_split()
303 bdev->stp_cursor = 0; in mtk_stp_split()
306 while (bdev->stp_cursor < 6 && count > 0) { in mtk_stp_split()
307 bdev->stp_pad[bdev->stp_cursor] = *data; in mtk_stp_split()
308 bdev->stp_cursor++; in mtk_stp_split()
314 if (!bdev->stp_dlen && bdev->stp_cursor >= 6) { in mtk_stp_split()
315 shdr = (struct mtk_stp_hdr *)&bdev->stp_pad[2]; in mtk_stp_split()
316 bdev->stp_dlen = be16_to_cpu(shdr->dlen) & 0x0fff; in mtk_stp_split()
319 if (shdr->prefix != 0x80 || bdev->stp_dlen > 2048) { in mtk_stp_split()
320 bt_dev_err(bdev->hdev, "stp format unexpected (%d, %d)", in mtk_stp_split()
321 shdr->prefix, bdev->stp_dlen); in mtk_stp_split()
322 bdev->stp_cursor = 2; in mtk_stp_split()
323 bdev->stp_dlen = 0; in mtk_stp_split()
332 *sz_h4 = min_t(int, count, bdev->stp_dlen); in mtk_stp_split()
335 bdev->stp_dlen -= *sz_h4; in mtk_stp_split()
343 struct btmtkuart_dev *bdev = hci_get_drvdata(hdev); in btmtkuart_recv() local
364 p_h4 = mtk_stp_split(bdev, p_left, sz_left, &sz_h4); in btmtkuart_recv()
372 bdev->rx_skb = h4_recv_buf(&bdev->hu, bdev->rx_skb, p_h4, in btmtkuart_recv()
375 if (IS_ERR(bdev->rx_skb)) { in btmtkuart_recv()
376 err = PTR_ERR(bdev->rx_skb); in btmtkuart_recv()
377 bt_dev_err(bdev->hdev, in btmtkuart_recv()
379 bdev->rx_skb = NULL; in btmtkuart_recv()
391 struct btmtkuart_dev *bdev = serdev_device_get_drvdata(serdev); in btmtkuart_receive_buf() local
393 btmtkuart_recv(bdev->hdev, data, count); in btmtkuart_receive_buf()
395 bdev->hdev->stat.byte_rx += count; in btmtkuart_receive_buf()
402 struct btmtkuart_dev *bdev = serdev_device_get_drvdata(serdev); in btmtkuart_write_wakeup() local
404 btmtkuart_tx_wakeup(bdev); in btmtkuart_write_wakeup()
414 struct btmtkuart_dev *bdev = hci_get_drvdata(hdev); in btmtkuart_open() local
418 err = serdev_device_open(bdev->serdev); in btmtkuart_open()
421 dev_name(&bdev->serdev->dev)); in btmtkuart_open()
425 if (btmtkuart_is_standalone(bdev)) { in btmtkuart_open()
426 if (bdev->curr_speed != bdev->desired_speed) in btmtkuart_open()
427 err = serdev_device_set_baudrate(bdev->serdev, in btmtkuart_open()
430 err = serdev_device_set_baudrate(bdev->serdev, in btmtkuart_open()
431 bdev->desired_speed); in btmtkuart_open()
435 dev_name(&bdev->serdev->dev)); in btmtkuart_open()
439 serdev_device_set_flow_control(bdev->serdev, false); in btmtkuart_open()
442 bdev->stp_cursor = 2; in btmtkuart_open()
443 bdev->stp_dlen = 0; in btmtkuart_open()
445 dev = &bdev->serdev->dev; in btmtkuart_open()
453 err = clk_prepare_enable(bdev->clk); in btmtkuart_open()
464 serdev_device_close(bdev->serdev); in btmtkuart_open()
471 struct btmtkuart_dev *bdev = hci_get_drvdata(hdev); in btmtkuart_close() local
472 struct device *dev = &bdev->serdev->dev; in btmtkuart_close()
475 clk_disable_unprepare(bdev->clk); in btmtkuart_close()
479 serdev_device_close(bdev->serdev); in btmtkuart_close()
486 struct btmtkuart_dev *bdev = hci_get_drvdata(hdev); in btmtkuart_flush() local
489 serdev_device_write_flush(bdev->serdev); in btmtkuart_flush()
490 skb_queue_purge(&bdev->txq); in btmtkuart_flush()
492 cancel_work_sync(&bdev->tx_work); in btmtkuart_flush()
494 kfree_skb(bdev->rx_skb); in btmtkuart_flush()
495 bdev->rx_skb = NULL; in btmtkuart_flush()
497 bdev->stp_cursor = 2; in btmtkuart_flush()
498 bdev->stp_dlen = 0; in btmtkuart_flush()
527 struct btmtkuart_dev *bdev = hci_get_drvdata(hdev); in btmtkuart_change_baudrate() local
536 baudrate = cpu_to_le32(bdev->desired_speed); in btmtkuart_change_baudrate()
549 err = serdev_device_set_baudrate(bdev->serdev, in btmtkuart_change_baudrate()
550 bdev->desired_speed); in btmtkuart_change_baudrate()
557 serdev_device_set_flow_control(bdev->serdev, false); in btmtkuart_change_baudrate()
561 err = serdev_device_write_buf(bdev->serdev, ¶m, sizeof(param)); in btmtkuart_change_baudrate()
565 serdev_device_wait_until_sent(bdev->serdev, 0); in btmtkuart_change_baudrate()
584 bdev->curr_speed = bdev->desired_speed; in btmtkuart_change_baudrate()
591 struct btmtkuart_dev *bdev = hci_get_drvdata(hdev); in btmtkuart_setup() local
605 if (test_bit(BTMTKUART_REQUIRED_WAKEUP, &bdev->tx_state)) { in btmtkuart_setup()
618 clear_bit(BTMTKUART_REQUIRED_WAKEUP, &bdev->tx_state); in btmtkuart_setup()
621 if (btmtkuart_is_standalone(bdev)) in btmtkuart_setup()
643 err = btmtk_setup_firmware(hdev, bdev->data->fwname, mtk_hci_wmt_sync); in btmtkuart_setup()
728 struct btmtkuart_dev *bdev = hci_get_drvdata(hdev); in btmtkuart_send_frame() local
754 skb_queue_tail(&bdev->txq, skb); in btmtkuart_send_frame()
756 btmtkuart_tx_wakeup(bdev); in btmtkuart_send_frame()
762 struct btmtkuart_dev *bdev = serdev_device_get_drvdata(serdev); in btmtkuart_parse_dt() local
767 if (btmtkuart_is_standalone(bdev)) { in btmtkuart_parse_dt()
770 bdev->desired_speed = speed; in btmtkuart_parse_dt()
772 bdev->vcc = devm_regulator_get(&serdev->dev, "vcc"); in btmtkuart_parse_dt()
773 if (IS_ERR(bdev->vcc)) { in btmtkuart_parse_dt()
774 err = PTR_ERR(bdev->vcc); in btmtkuart_parse_dt()
778 bdev->osc = devm_clk_get_optional(&serdev->dev, "osc"); in btmtkuart_parse_dt()
779 if (IS_ERR(bdev->osc)) { in btmtkuart_parse_dt()
780 err = PTR_ERR(bdev->osc); in btmtkuart_parse_dt()
784 bdev->boot = devm_gpiod_get_optional(&serdev->dev, "boot", in btmtkuart_parse_dt()
786 if (IS_ERR(bdev->boot)) { in btmtkuart_parse_dt()
787 err = PTR_ERR(bdev->boot); in btmtkuart_parse_dt()
791 bdev->pinctrl = devm_pinctrl_get(&serdev->dev); in btmtkuart_parse_dt()
792 if (IS_ERR(bdev->pinctrl)) { in btmtkuart_parse_dt()
793 err = PTR_ERR(bdev->pinctrl); in btmtkuart_parse_dt()
797 bdev->pins_boot = pinctrl_lookup_state(bdev->pinctrl, in btmtkuart_parse_dt()
799 if (IS_ERR(bdev->pins_boot) && !bdev->boot) { in btmtkuart_parse_dt()
800 err = PTR_ERR(bdev->pins_boot); in btmtkuart_parse_dt()
806 bdev->pins_runtime = pinctrl_lookup_state(bdev->pinctrl, in btmtkuart_parse_dt()
808 if (IS_ERR(bdev->pins_runtime)) { in btmtkuart_parse_dt()
809 err = PTR_ERR(bdev->pins_runtime); in btmtkuart_parse_dt()
813 bdev->reset = devm_gpiod_get_optional(&serdev->dev, "reset", in btmtkuart_parse_dt()
815 if (IS_ERR(bdev->reset)) { in btmtkuart_parse_dt()
816 err = PTR_ERR(bdev->reset); in btmtkuart_parse_dt()
819 } else if (btmtkuart_is_builtin_soc(bdev)) { in btmtkuart_parse_dt()
820 bdev->clk = devm_clk_get(&serdev->dev, "ref"); in btmtkuart_parse_dt()
821 if (IS_ERR(bdev->clk)) in btmtkuart_parse_dt()
822 return PTR_ERR(bdev->clk); in btmtkuart_parse_dt()
830 struct btmtkuart_dev *bdev; in btmtkuart_probe() local
834 bdev = devm_kzalloc(&serdev->dev, sizeof(*bdev), GFP_KERNEL); in btmtkuart_probe()
835 if (!bdev) in btmtkuart_probe()
838 bdev->data = of_device_get_match_data(&serdev->dev); in btmtkuart_probe()
839 if (!bdev->data) in btmtkuart_probe()
842 bdev->serdev = serdev; in btmtkuart_probe()
843 serdev_device_set_drvdata(serdev, bdev); in btmtkuart_probe()
851 INIT_WORK(&bdev->tx_work, btmtkuart_tx_work); in btmtkuart_probe()
852 skb_queue_head_init(&bdev->txq); in btmtkuart_probe()
861 bdev->hdev = hdev; in btmtkuart_probe()
862 bdev->hu.hdev = hdev; in btmtkuart_probe()
865 hci_set_drvdata(hdev, bdev); in btmtkuart_probe()
879 if (btmtkuart_is_standalone(bdev)) { in btmtkuart_probe()
880 err = clk_prepare_enable(bdev->osc); in btmtkuart_probe()
884 if (bdev->boot) { in btmtkuart_probe()
885 gpiod_set_value_cansleep(bdev->boot, 1); in btmtkuart_probe()
890 pinctrl_select_state(bdev->pinctrl, bdev->pins_boot); in btmtkuart_probe()
894 err = regulator_enable(bdev->vcc); in btmtkuart_probe()
901 if (bdev->reset) { in btmtkuart_probe()
902 gpiod_set_value_cansleep(bdev->reset, 1); in btmtkuart_probe()
904 gpiod_set_value_cansleep(bdev->reset, 0); in btmtkuart_probe()
912 if (bdev->boot) in btmtkuart_probe()
913 devm_gpiod_put(&serdev->dev, bdev->boot); in btmtkuart_probe()
915 pinctrl_select_state(bdev->pinctrl, bdev->pins_runtime); in btmtkuart_probe()
922 set_bit(BTMTKUART_REQUIRED_WAKEUP, &bdev->tx_state); in btmtkuart_probe()
934 if (btmtkuart_is_standalone(bdev)) in btmtkuart_probe()
935 regulator_disable(bdev->vcc); in btmtkuart_probe()
937 if (btmtkuart_is_standalone(bdev)) in btmtkuart_probe()
938 clk_disable_unprepare(bdev->osc); in btmtkuart_probe()
947 struct btmtkuart_dev *bdev = serdev_device_get_drvdata(serdev); in btmtkuart_remove() local
948 struct hci_dev *hdev = bdev->hdev; in btmtkuart_remove()
950 if (btmtkuart_is_standalone(bdev)) { in btmtkuart_remove()
951 regulator_disable(bdev->vcc); in btmtkuart_remove()
952 clk_disable_unprepare(bdev->osc); in btmtkuart_remove()