1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 *  Bluetooth support for Realtek devices
4 *
5 *  Copyright (C) 2015 Endless Mobile, Inc.
6 */
7
8#define RTL_FRAG_LEN 252
9
10#define rtl_dev_err(dev, fmt, ...) bt_dev_err(dev, "RTL: " fmt, ##__VA_ARGS__)
11#define rtl_dev_warn(dev, fmt, ...) bt_dev_warn(dev, "RTL: " fmt, ##__VA_ARGS__)
12#define rtl_dev_info(dev, fmt, ...) bt_dev_info(dev, "RTL: " fmt, ##__VA_ARGS__)
13#define rtl_dev_dbg(dev, fmt, ...) bt_dev_dbg(dev, "RTL: " fmt, ##__VA_ARGS__)
14
15struct btrtl_device_info;
16
17struct rtl_download_cmd {
18	__u8 index;
19	__u8 data[RTL_FRAG_LEN];
20} __packed;
21
22struct rtl_download_response {
23	__u8 status;
24	__u8 index;
25} __packed;
26
27struct rtl_rom_version_evt {
28	__u8 status;
29	__u8 version;
30} __packed;
31
32struct rtl_epatch_header {
33	__u8 signature[8];
34	__le32 fw_version;
35	__le16 num_patches;
36} __packed;
37
38struct rtl_vendor_config_entry {
39	__le16 offset;
40	__u8 len;
41	__u8 data[];
42} __packed;
43
44struct rtl_vendor_config {
45	__le32 signature;
46	__le16 total_len;
47	struct rtl_vendor_config_entry entry[];
48} __packed;
49
50#if IS_ENABLED(CONFIG_BT_RTL)
51
52struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev,
53					   const char *postfix);
54void btrtl_free(struct btrtl_device_info *btrtl_dev);
55int btrtl_download_firmware(struct hci_dev *hdev,
56			    struct btrtl_device_info *btrtl_dev);
57int btrtl_setup_realtek(struct hci_dev *hdev);
58int btrtl_shutdown_realtek(struct hci_dev *hdev);
59int btrtl_get_uart_settings(struct hci_dev *hdev,
60			    struct btrtl_device_info *btrtl_dev,
61			    unsigned int *controller_baudrate,
62			    u32 *device_baudrate, bool *flow_control);
63
64#else
65
66static inline struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev,
67							 const char *postfix)
68{
69	return ERR_PTR(-EOPNOTSUPP);
70}
71
72static inline void btrtl_free(struct btrtl_device_info *btrtl_dev)
73{
74}
75
76static inline int btrtl_download_firmware(struct hci_dev *hdev,
77					  struct btrtl_device_info *btrtl_dev)
78{
79	return -EOPNOTSUPP;
80}
81
82static inline int btrtl_setup_realtek(struct hci_dev *hdev)
83{
84	return -EOPNOTSUPP;
85}
86
87static inline int btrtl_shutdown_realtek(struct hci_dev *hdev)
88{
89	return -EOPNOTSUPP;
90}
91
92static inline int btrtl_get_uart_settings(struct hci_dev *hdev,
93					  struct btrtl_device_info *btrtl_dev,
94					  unsigned int *controller_baudrate,
95					  u32 *device_baudrate,
96					  bool *flow_control)
97{
98	return -ENOENT;
99}
100
101#endif
102