tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 *
4 * Bluetooth support for Intel devices
5 *
6 * Copyright (C) 2015 Intel Corporation
7 */
8
9struct intel_version {
10 u8 status;
11 u8 hw_platform;
12 u8 hw_variant;
13 u8 hw_revision;
14 u8 fw_variant;
15 u8 fw_revision;
16 u8 fw_build_num;
17 u8 fw_build_ww;
18 u8 fw_build_yy;
19 u8 fw_patch_num;
20} __packed;
21
22struct intel_boot_params {
23 __u8 status;
24 __u8 otp_format;
25 __u8 otp_content;
26 __u8 otp_patch;
27 __le16 dev_revid;
28 __u8 secure_boot;
29 __u8 key_from_hdr;
30 __u8 key_type;
31 __u8 otp_lock;
32 __u8 api_lock;
33 __u8 debug_lock;
34 bdaddr_t otp_bdaddr;
35 __u8 min_fw_build_nn;
36 __u8 min_fw_build_cw;
37 __u8 min_fw_build_yy;
38 __u8 limited_cce;
39 __u8 unlocked_state;
40} __packed;
41
42struct intel_bootup {
43 __u8 zero;
44 __u8 num_cmds;
45 __u8 source;
46 __u8 reset_type;
47 __u8 reset_reason;
48 __u8 ddc_status;
49} __packed;
50
51struct intel_secure_send_result {
52 __u8 result;
53 __le16 opcode;
54 __u8 status;
55} __packed;
56
57struct intel_reset {
58 __u8 reset_type;
59 __u8 patch_enable;
60 __u8 ddc_reload;
61 __u8 boot_option;
62 __le32 boot_param;
63} __packed;
64
65#if IS_ENABLED(CONFIG_BT_INTEL)
66
67int btintel_check_bdaddr(struct hci_dev *hdev);
68int btintel_enter_mfg(struct hci_dev *hdev);
69int btintel_exit_mfg(struct hci_dev *hdev, bool reset, bool patched);
70int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
71int btintel_set_diag(struct hci_dev *hdev, bool enable);
72int btintel_set_diag_mfg(struct hci_dev *hdev, bool enable);
73void btintel_hw_error(struct hci_dev *hdev, u8 code);
74
75void btintel_version_info(struct hci_dev *hdev, struct intel_version *ver);
76int btintel_secure_send(struct hci_dev *hdev, u8 fragment_type, u32 plen,
77 const void *param);
78int btintel_load_ddc_config(struct hci_dev *hdev, const char *ddc_name);
79int btintel_set_event_mask(struct hci_dev *hdev, bool debug);
80int btintel_set_event_mask_mfg(struct hci_dev *hdev, bool debug);
81int btintel_read_version(struct hci_dev *hdev, struct intel_version *ver);
82
83struct regmap *btintel_regmap_init(struct hci_dev *hdev, u16 opcode_read,
84 u16 opcode_write);
85int btintel_send_intel_reset(struct hci_dev *hdev, u32 boot_param);
86int btintel_read_boot_params(struct hci_dev *hdev,
87 struct intel_boot_params *params);
88int btintel_download_firmware(struct hci_dev *dev, const struct firmware *fw,
89 u32 *boot_param);
90void btintel_reset_to_bootloader(struct hci_dev *hdev);
91#else
92
93static inline int btintel_check_bdaddr(struct hci_dev *hdev)
94{
95 return -EOPNOTSUPP;
96}
97
98static inline int btintel_enter_mfg(struct hci_dev *hdev)
99{
100 return -EOPNOTSUPP;
101}
102
103static inline int btintel_exit_mfg(struct hci_dev *hdev, bool reset, bool patched)
104{
105 return -EOPNOTSUPP;
106}
107
108static inline int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
109{
110 return -EOPNOTSUPP;
111}
112
113static inline int btintel_set_diag(struct hci_dev *hdev, bool enable)
114{
115 return -EOPNOTSUPP;
116}
117
118static inline int btintel_set_diag_mfg(struct hci_dev *hdev, bool enable)
119{
120 return -EOPNOTSUPP;
121}
122
123static inline void btintel_hw_error(struct hci_dev *hdev, u8 code)
124{
125}
126
127static inline void btintel_version_info(struct hci_dev *hdev,
128 struct intel_version *ver)
129{
130}
131
132static inline int btintel_secure_send(struct hci_dev *hdev, u8 fragment_type,
133 u32 plen, const void *param)
134{
135 return -EOPNOTSUPP;
136}
137
138static inline int btintel_load_ddc_config(struct hci_dev *hdev,
139 const char *ddc_name)
140{
141 return -EOPNOTSUPP;
142}
143
144static inline int btintel_set_event_mask(struct hci_dev *hdev, bool debug)
145{
146 return -EOPNOTSUPP;
147}
148
149static inline int btintel_set_event_mask_mfg(struct hci_dev *hdev, bool debug)
150{
151 return -EOPNOTSUPP;
152}
153
154static inline int btintel_read_version(struct hci_dev *hdev,
155 struct intel_version *ver)
156{
157 return -EOPNOTSUPP;
158}
159
160static inline struct regmap *btintel_regmap_init(struct hci_dev *hdev,
161 u16 opcode_read,
162 u16 opcode_write)
163{
164 return ERR_PTR(-EINVAL);
165}
166
167static inline int btintel_send_intel_reset(struct hci_dev *hdev,
168 u32 reset_param)
169{
170 return -EOPNOTSUPP;
171}
172
173static inline int btintel_read_boot_params(struct hci_dev *hdev,
174 struct intel_boot_params *params)
175{
176 return -EOPNOTSUPP;
177}
178
179static inline int btintel_download_firmware(struct hci_dev *dev,
180 const struct firmware *fw,
181 u32 *boot_param)
182{
183 return -EOPNOTSUPP;
184}
185
186static inline void btintel_reset_to_bootloader(struct hci_dev *hdev)
187{
188}
189#endif