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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/bluetooth/btrtl.h
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/bluetooth/btrtl.h')
-rw-r--r--drivers/bluetooth/btrtl.h111
1 files changed, 111 insertions, 0 deletions
diff --git a/drivers/bluetooth/btrtl.h b/drivers/bluetooth/btrtl.h
new file mode 100644
index 000000000..852f27d4e
--- /dev/null
+++ b/drivers/bluetooth/btrtl.h
@@ -0,0 +1,111 @@
+/*
+ * Bluetooth support for Realtek devices
+ *
+ * Copyright (C) 2015 Endless Mobile, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#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