diff options
Diffstat (limited to 'drivers/bluetooth/hci_h5.c')
-rw-r--r-- | drivers/bluetooth/hci_h5.c | 49 |
1 files changed, 35 insertions, 14 deletions
diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c index 0b14547482a7..106c110efe56 100644 --- a/drivers/bluetooth/hci_h5.c +++ b/drivers/bluetooth/hci_h5.c @@ -11,6 +11,7 @@ #include <linux/gpio/consumer.h> #include <linux/kernel.h> #include <linux/mod_devicetable.h> +#include <linux/of_device.h> #include <linux/serdev.h> #include <linux/skbuff.h> @@ -177,7 +178,7 @@ static void h5_peer_reset(struct hci_uart *hu) { struct h5 *h5 = hu->priv; - BT_ERR("Peer device has reset"); + bt_dev_err(hu->hdev, "Peer device has reset"); h5->state = H5_UNINITIALIZED; @@ -437,21 +438,21 @@ static int h5_rx_3wire_hdr(struct hci_uart *hu, unsigned char c) H5_HDR_LEN(hdr)); if (((hdr[0] + hdr[1] + hdr[2] + hdr[3]) & 0xff) != 0xff) { - BT_ERR("Invalid header checksum"); + bt_dev_err(hu->hdev, "Invalid header checksum"); h5_reset_rx(h5); return 0; } if (H5_HDR_RELIABLE(hdr) && H5_HDR_SEQ(hdr) != h5->tx_ack) { - BT_ERR("Out-of-order packet arrived (%u != %u)", - H5_HDR_SEQ(hdr), h5->tx_ack); + bt_dev_err(hu->hdev, "Out-of-order packet arrived (%u != %u)", + H5_HDR_SEQ(hdr), h5->tx_ack); h5_reset_rx(h5); return 0; } if (h5->state != H5_ACTIVE && H5_HDR_PKT_TYPE(hdr) != HCI_3WIRE_LINK_PKT) { - BT_ERR("Non-link packet received in non-active state"); + bt_dev_err(hu->hdev, "Non-link packet received in non-active state"); h5_reset_rx(h5); return 0; } @@ -474,7 +475,7 @@ static int h5_rx_pkt_start(struct hci_uart *hu, unsigned char c) h5->rx_skb = bt_skb_alloc(H5_MAX_LEN, GFP_ATOMIC); if (!h5->rx_skb) { - BT_ERR("Can't allocate mem for new packet"); + bt_dev_err(hu->hdev, "Can't allocate mem for new packet"); h5_reset_rx(h5); return -ENOMEM; } @@ -550,7 +551,7 @@ static int h5_recv(struct hci_uart *hu, const void *data, int count) if (h5->rx_pending > 0) { if (*ptr == SLIP_DELIMITER) { - BT_ERR("Too short H5 packet"); + bt_dev_err(hu->hdev, "Too short H5 packet"); h5_reset_rx(h5); continue; } @@ -577,13 +578,13 @@ static int h5_enqueue(struct hci_uart *hu, struct sk_buff *skb) struct h5 *h5 = hu->priv; if (skb->len > 0xfff) { - BT_ERR("Packet too long (%u bytes)", skb->len); + bt_dev_err(hu->hdev, "Packet too long (%u bytes)", skb->len); kfree_skb(skb); return 0; } if (h5->state != H5_ACTIVE) { - BT_ERR("Ignoring HCI data in non-active state"); + bt_dev_err(hu->hdev, "Ignoring HCI data in non-active state"); kfree_skb(skb); return 0; } @@ -600,7 +601,7 @@ static int h5_enqueue(struct hci_uart *hu, struct sk_buff *skb) break; default: - BT_ERR("Unknown packet type %u", hci_skb_pkt_type(skb)); + bt_dev_err(hu->hdev, "Unknown packet type %u", hci_skb_pkt_type(skb)); kfree_skb(skb); break; } @@ -656,7 +657,7 @@ static struct sk_buff *h5_prepare_pkt(struct hci_uart *hu, u8 pkt_type, int i; if (!valid_packet_type(pkt_type)) { - BT_ERR("Unknown packet type %u", pkt_type); + bt_dev_err(hu->hdev, "Unknown packet type %u", pkt_type); return NULL; } @@ -733,7 +734,7 @@ static struct sk_buff *h5_dequeue(struct hci_uart *hu) } skb_queue_head(&h5->unrel, skb); - BT_ERR("Could not dequeue pkt because alloc_skb failed"); + bt_dev_err(hu->hdev, "Could not dequeue pkt because alloc_skb failed"); } spin_lock_irqsave_nested(&h5->unack.lock, flags, SINGLE_DEPTH_NESTING); @@ -753,7 +754,7 @@ static struct sk_buff *h5_dequeue(struct hci_uart *hu) } skb_queue_head(&h5->rel, skb); - BT_ERR("Could not dequeue pkt because alloc_skb failed"); + bt_dev_err(hu->hdev, "Could not dequeue pkt because alloc_skb failed"); } unlock: @@ -785,7 +786,6 @@ static const struct hci_uart_proto h5p = { static int h5_serdev_probe(struct serdev_device *serdev) { - const struct acpi_device_id *match; struct device *dev = &serdev->dev; struct h5 *h5; @@ -800,6 +800,8 @@ static int h5_serdev_probe(struct serdev_device *serdev) serdev_device_set_drvdata(serdev, h5); if (has_acpi_companion(dev)) { + const struct acpi_device_id *match; + match = acpi_match_device(dev->driver->acpi_match_table, dev); if (!match) return -ENODEV; @@ -810,8 +812,17 @@ static int h5_serdev_probe(struct serdev_device *serdev) if (h5->vnd->acpi_gpio_map) devm_acpi_dev_add_driver_gpios(dev, h5->vnd->acpi_gpio_map); + } else { + const void *data; + + data = of_device_get_match_data(dev); + if (!data) + return -ENODEV; + + h5->vnd = (const struct h5_vnd *)data; } + h5->enable_gpio = devm_gpiod_get_optional(dev, "enable", GPIOD_OUT_LOW); if (IS_ERR(h5->enable_gpio)) return PTR_ERR(h5->enable_gpio); @@ -1003,6 +1014,15 @@ static const struct dev_pm_ops h5_serdev_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(h5_serdev_suspend, h5_serdev_resume) }; +static const struct of_device_id rtl_bluetooth_of_match[] = { +#ifdef CONFIG_BT_HCIUART_RTL + { .compatible = "realtek,rtl8822cs-bt", + .data = (const void *)&rtl_vnd }, +#endif + { }, +}; +MODULE_DEVICE_TABLE(of, rtl_bluetooth_of_match); + static struct serdev_device_driver h5_serdev_driver = { .probe = h5_serdev_probe, .remove = h5_serdev_remove, @@ -1010,6 +1030,7 @@ static struct serdev_device_driver h5_serdev_driver = { .name = "hci_uart_h5", .acpi_match_table = ACPI_PTR(h5_acpi_match), .pm = &h5_serdev_pm_ops, + .of_match_table = rtl_bluetooth_of_match, }, }; |