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-rw-r--r--drivers/bluetooth/btrtl.h113
1 files changed, 113 insertions, 0 deletions
diff --git a/drivers/bluetooth/btrtl.h b/drivers/bluetooth/btrtl.h
new file mode 100644
index 000000000..1c6282241
--- /dev/null
+++ b/drivers/bluetooth/btrtl.h
@@ -0,0 +1,113 @@
+/* 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_chip_type_evt {
+ __u8 status;
+ __u8 type;
+} __packed;
+
+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[];
+} __packed;
+
+struct rtl_vendor_config {
+ __le32 signature;
+ __le16 total_len;
+ struct rtl_vendor_config_entry entry[];
+} __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);
+void btrtl_set_quirks(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 void btrtl_set_quirks(struct hci_dev *hdev,
+ struct btrtl_device_info *btrtl_dev)
+{
+}
+
+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