1 /*
2 * Bluetooth support for Realtek devices
3 *
4 * Copyright (C) 2015 Endless Mobile, Inc.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 */
17
18 #define RTL_FRAG_LEN 252
19
20 #define rtl_dev_err(dev, fmt, ...) bt_dev_err(dev, "RTL: " fmt, ##__VA_ARGS__)
21 #define rtl_dev_warn(dev, fmt, ...) bt_dev_warn(dev, "RTL: " fmt, ##__VA_ARGS__)
22 #define rtl_dev_info(dev, fmt, ...) bt_dev_info(dev, "RTL: " fmt, ##__VA_ARGS__)
23 #define rtl_dev_dbg(dev, fmt, ...) bt_dev_dbg(dev, "RTL: " fmt, ##__VA_ARGS__)
24
25 struct btrtl_device_info;
26
27 struct rtl_download_cmd {
28 __u8 index;
29 __u8 data[RTL_FRAG_LEN];
30 } __packed;
31
32 struct rtl_download_response {
33 __u8 status;
34 __u8 index;
35 } __packed;
36
37 struct rtl_rom_version_evt {
38 __u8 status;
39 __u8 version;
40 } __packed;
41
42 struct rtl_epatch_header {
43 __u8 signature[8];
44 __le32 fw_version;
45 __le16 num_patches;
46 } __packed;
47
48 struct rtl_vendor_config_entry {
49 __le16 offset;
50 __u8 len;
51 __u8 data[0];
52 } __packed;
53
54 struct rtl_vendor_config {
55 __le32 signature;
56 __le16 total_len;
57 struct rtl_vendor_config_entry entry[0];
58 } __packed;
59
60 #if IS_ENABLED(CONFIG_BT_RTL)
61
62 struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev,
63 const char *postfix);
64 void btrtl_free(struct btrtl_device_info *btrtl_dev);
65 int btrtl_download_firmware(struct hci_dev *hdev,
66 struct btrtl_device_info *btrtl_dev);
67 int btrtl_setup_realtek(struct hci_dev *hdev);
68 int btrtl_get_uart_settings(struct hci_dev *hdev,
69 struct btrtl_device_info *btrtl_dev,
70 unsigned int *controller_baudrate,
71 u32 *device_baudrate, bool *flow_control);
72
73 #else
74
btrtl_initialize(struct hci_dev * hdev,const char * postfix)75 static inline struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev,
76 const char *postfix)
77 {
78 return ERR_PTR(-EOPNOTSUPP);
79 }
80
btrtl_free(struct btrtl_device_info * btrtl_dev)81 static inline void btrtl_free(struct btrtl_device_info *btrtl_dev)
82 {
83 }
84
btrtl_download_firmware(struct hci_dev * hdev,struct btrtl_device_info * btrtl_dev)85 static inline int btrtl_download_firmware(struct hci_dev *hdev,
86 struct btrtl_device_info *btrtl_dev)
87 {
88 return -EOPNOTSUPP;
89 }
90
btrtl_setup_realtek(struct hci_dev * hdev)91 static inline int btrtl_setup_realtek(struct hci_dev *hdev)
92 {
93 return -EOPNOTSUPP;
94 }
95
btrtl_get_uart_settings(struct hci_dev * hdev,struct btrtl_device_info * btrtl_dev,unsigned int * controller_baudrate,u32 * device_baudrate,bool * flow_control)96 static inline int btrtl_get_uart_settings(struct hci_dev *hdev,
97 struct btrtl_device_info *btrtl_dev,
98 unsigned int *controller_baudrate,
99 u32 *device_baudrate,
100 bool *flow_control)
101 {
102 return -ENOENT;
103 }
104
105 #endif
106
