![Jian-Hong Pan](/assets/img/avatar_default.png)
Realtek RTL8822BE BT chip on ASUS X420FA cannot be turned on correctly after on-off several times. Bluetooth daemon sets BT mode failed when this issue happens. Scanning must be active while turning off for this bug to be hit. bluetoothd[1576]: Failed to set mode: Failed (0x03) If BT is turned off, then turned on again, it works correctly again. According to the vendor driver, the HCI_QUIRK_RESET_ON_CLOSE flag is set during probing. So, this patch makes Realtek's BT reset on close to fix this issue. Link: https://bugzilla.kernel.org/show_bug.cgi?id=203429 Signed-off-by: Jian-Hong Pan <jian-hong@endlessm.com> Reviewed-by: Daniel Drake <drake@endlessm.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
102 lines
2.3 KiB
C
102 lines
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* Bluetooth support for Realtek devices
|
|
*
|
|
* Copyright (C) 2015 Endless Mobile, Inc.
|
|
*/
|
|
|
|
#define RTL_FRAG_LEN 252
|
|
|
|
#define rtl_dev_err(dev, fmt, ...) bt_dev_err(dev, "RTL: " fmt, ##__VA_ARGS__)
|
|
#define rtl_dev_warn(dev, fmt, ...) bt_dev_warn(dev, "RTL: " fmt, ##__VA_ARGS__)
|
|
#define rtl_dev_info(dev, fmt, ...) bt_dev_info(dev, "RTL: " fmt, ##__VA_ARGS__)
|
|
#define rtl_dev_dbg(dev, fmt, ...) bt_dev_dbg(dev, "RTL: " fmt, ##__VA_ARGS__)
|
|
|
|
struct btrtl_device_info;
|
|
|
|
struct rtl_download_cmd {
|
|
__u8 index;
|
|
__u8 data[RTL_FRAG_LEN];
|
|
} __packed;
|
|
|
|
struct rtl_download_response {
|
|
__u8 status;
|
|
__u8 index;
|
|
} __packed;
|
|
|
|
struct rtl_rom_version_evt {
|
|
__u8 status;
|
|
__u8 version;
|
|
} __packed;
|
|
|
|
struct rtl_epatch_header {
|
|
__u8 signature[8];
|
|
__le32 fw_version;
|
|
__le16 num_patches;
|
|
} __packed;
|
|
|
|
struct rtl_vendor_config_entry {
|
|
__le16 offset;
|
|
__u8 len;
|
|
__u8 data[0];
|
|
} __packed;
|
|
|
|
struct rtl_vendor_config {
|
|
__le32 signature;
|
|
__le16 total_len;
|
|
struct rtl_vendor_config_entry entry[0];
|
|
} __packed;
|
|
|
|
#if IS_ENABLED(CONFIG_BT_RTL)
|
|
|
|
struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev,
|
|
const char *postfix);
|
|
void btrtl_free(struct btrtl_device_info *btrtl_dev);
|
|
int btrtl_download_firmware(struct hci_dev *hdev,
|
|
struct btrtl_device_info *btrtl_dev);
|
|
int btrtl_setup_realtek(struct hci_dev *hdev);
|
|
int btrtl_shutdown_realtek(struct hci_dev *hdev);
|
|
int btrtl_get_uart_settings(struct hci_dev *hdev,
|
|
struct btrtl_device_info *btrtl_dev,
|
|
unsigned int *controller_baudrate,
|
|
u32 *device_baudrate, bool *flow_control);
|
|
|
|
#else
|
|
|
|
static inline struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev,
|
|
const char *postfix)
|
|
{
|
|
return ERR_PTR(-EOPNOTSUPP);
|
|
}
|
|
|
|
static inline void btrtl_free(struct btrtl_device_info *btrtl_dev)
|
|
{
|
|
}
|
|
|
|
static inline int btrtl_download_firmware(struct hci_dev *hdev,
|
|
struct btrtl_device_info *btrtl_dev)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int btrtl_setup_realtek(struct hci_dev *hdev)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int btrtl_shutdown_realtek(struct hci_dev *hdev)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int btrtl_get_uart_settings(struct hci_dev *hdev,
|
|
struct btrtl_device_info *btrtl_dev,
|
|
unsigned int *controller_baudrate,
|
|
u32 *device_baudrate,
|
|
bool *flow_control)
|
|
{
|
|
return -ENOENT;
|
|
}
|
|
|
|
#endif
|