1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Bluetooth support for Realtek devices
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C) 2015 Endless Mobile, Inc.
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #define RTL_FRAG_LEN 252
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun #define rtl_dev_err(dev, fmt, ...) bt_dev_err(dev, "RTL: " fmt, ##__VA_ARGS__)
11*4882a593Smuzhiyun #define rtl_dev_warn(dev, fmt, ...) bt_dev_warn(dev, "RTL: " fmt, ##__VA_ARGS__)
12*4882a593Smuzhiyun #define rtl_dev_info(dev, fmt, ...) bt_dev_info(dev, "RTL: " fmt, ##__VA_ARGS__)
13*4882a593Smuzhiyun #define rtl_dev_dbg(dev, fmt, ...) bt_dev_dbg(dev, "RTL: " fmt, ##__VA_ARGS__)
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun struct btrtl_device_info;
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun struct rtl_download_cmd {
18*4882a593Smuzhiyun __u8 index;
19*4882a593Smuzhiyun __u8 data[RTL_FRAG_LEN];
20*4882a593Smuzhiyun } __packed;
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun struct rtl_download_response {
23*4882a593Smuzhiyun __u8 status;
24*4882a593Smuzhiyun __u8 index;
25*4882a593Smuzhiyun } __packed;
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun struct rtl_rom_version_evt {
28*4882a593Smuzhiyun __u8 status;
29*4882a593Smuzhiyun __u8 version;
30*4882a593Smuzhiyun } __packed;
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun struct rtl_epatch_header {
33*4882a593Smuzhiyun __u8 signature[8];
34*4882a593Smuzhiyun __le32 fw_version;
35*4882a593Smuzhiyun __le16 num_patches;
36*4882a593Smuzhiyun } __packed;
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun struct rtl_vendor_config_entry {
39*4882a593Smuzhiyun __le16 offset;
40*4882a593Smuzhiyun __u8 len;
41*4882a593Smuzhiyun __u8 data[];
42*4882a593Smuzhiyun } __packed;
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun struct rtl_vendor_config {
45*4882a593Smuzhiyun __le32 signature;
46*4882a593Smuzhiyun __le16 total_len;
47*4882a593Smuzhiyun struct rtl_vendor_config_entry entry[];
48*4882a593Smuzhiyun } __packed;
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun #if IS_ENABLED(CONFIG_BT_RTL)
51*4882a593Smuzhiyun
52*4882a593Smuzhiyun struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev,
53*4882a593Smuzhiyun const char *postfix);
54*4882a593Smuzhiyun void btrtl_free(struct btrtl_device_info *btrtl_dev);
55*4882a593Smuzhiyun int btrtl_download_firmware(struct hci_dev *hdev,
56*4882a593Smuzhiyun struct btrtl_device_info *btrtl_dev);
57*4882a593Smuzhiyun int btrtl_setup_realtek(struct hci_dev *hdev);
58*4882a593Smuzhiyun int btrtl_shutdown_realtek(struct hci_dev *hdev);
59*4882a593Smuzhiyun int btrtl_get_uart_settings(struct hci_dev *hdev,
60*4882a593Smuzhiyun struct btrtl_device_info *btrtl_dev,
61*4882a593Smuzhiyun unsigned int *controller_baudrate,
62*4882a593Smuzhiyun u32 *device_baudrate, bool *flow_control);
63*4882a593Smuzhiyun
64*4882a593Smuzhiyun #else
65*4882a593Smuzhiyun
btrtl_initialize(struct hci_dev * hdev,const char * postfix)66*4882a593Smuzhiyun static inline struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev,
67*4882a593Smuzhiyun const char *postfix)
68*4882a593Smuzhiyun {
69*4882a593Smuzhiyun return ERR_PTR(-EOPNOTSUPP);
70*4882a593Smuzhiyun }
71*4882a593Smuzhiyun
btrtl_free(struct btrtl_device_info * btrtl_dev)72*4882a593Smuzhiyun static inline void btrtl_free(struct btrtl_device_info *btrtl_dev)
73*4882a593Smuzhiyun {
74*4882a593Smuzhiyun }
75*4882a593Smuzhiyun
btrtl_download_firmware(struct hci_dev * hdev,struct btrtl_device_info * btrtl_dev)76*4882a593Smuzhiyun static inline int btrtl_download_firmware(struct hci_dev *hdev,
77*4882a593Smuzhiyun struct btrtl_device_info *btrtl_dev)
78*4882a593Smuzhiyun {
79*4882a593Smuzhiyun return -EOPNOTSUPP;
80*4882a593Smuzhiyun }
81*4882a593Smuzhiyun
btrtl_setup_realtek(struct hci_dev * hdev)82*4882a593Smuzhiyun static inline int btrtl_setup_realtek(struct hci_dev *hdev)
83*4882a593Smuzhiyun {
84*4882a593Smuzhiyun return -EOPNOTSUPP;
85*4882a593Smuzhiyun }
86*4882a593Smuzhiyun
btrtl_shutdown_realtek(struct hci_dev * hdev)87*4882a593Smuzhiyun static inline int btrtl_shutdown_realtek(struct hci_dev *hdev)
88*4882a593Smuzhiyun {
89*4882a593Smuzhiyun return -EOPNOTSUPP;
90*4882a593Smuzhiyun }
91*4882a593Smuzhiyun
btrtl_get_uart_settings(struct hci_dev * hdev,struct btrtl_device_info * btrtl_dev,unsigned int * controller_baudrate,u32 * device_baudrate,bool * flow_control)92*4882a593Smuzhiyun static inline int btrtl_get_uart_settings(struct hci_dev *hdev,
93*4882a593Smuzhiyun struct btrtl_device_info *btrtl_dev,
94*4882a593Smuzhiyun unsigned int *controller_baudrate,
95*4882a593Smuzhiyun u32 *device_baudrate,
96*4882a593Smuzhiyun bool *flow_control)
97*4882a593Smuzhiyun {
98*4882a593Smuzhiyun return -ENOENT;
99*4882a593Smuzhiyun }
100*4882a593Smuzhiyun
101*4882a593Smuzhiyun #endif
102