xref: /openbmc/linux/drivers/bluetooth/btintel.h (revision 29c37341)
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 
9 struct 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 
22 struct 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 
42 struct 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 
51 struct intel_secure_send_result {
52 	__u8     result;
53 	__le16   opcode;
54 	__u8     status;
55 } __packed;
56 
57 struct 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 struct intel_debug_features {
66 	__u8    page1[16];
67 } __packed;
68 
69 #if IS_ENABLED(CONFIG_BT_INTEL)
70 
71 int btintel_check_bdaddr(struct hci_dev *hdev);
72 int btintel_enter_mfg(struct hci_dev *hdev);
73 int btintel_exit_mfg(struct hci_dev *hdev, bool reset, bool patched);
74 int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
75 int btintel_set_diag(struct hci_dev *hdev, bool enable);
76 int btintel_set_diag_mfg(struct hci_dev *hdev, bool enable);
77 void btintel_hw_error(struct hci_dev *hdev, u8 code);
78 
79 void btintel_version_info(struct hci_dev *hdev, struct intel_version *ver);
80 int btintel_secure_send(struct hci_dev *hdev, u8 fragment_type, u32 plen,
81 			const void *param);
82 int btintel_load_ddc_config(struct hci_dev *hdev, const char *ddc_name);
83 int btintel_set_event_mask(struct hci_dev *hdev, bool debug);
84 int btintel_set_event_mask_mfg(struct hci_dev *hdev, bool debug);
85 int btintel_read_version(struct hci_dev *hdev, struct intel_version *ver);
86 
87 struct regmap *btintel_regmap_init(struct hci_dev *hdev, u16 opcode_read,
88 				   u16 opcode_write);
89 int btintel_send_intel_reset(struct hci_dev *hdev, u32 boot_param);
90 int btintel_read_boot_params(struct hci_dev *hdev,
91 			     struct intel_boot_params *params);
92 int btintel_download_firmware(struct hci_dev *dev, const struct firmware *fw,
93 			      u32 *boot_param);
94 void btintel_reset_to_bootloader(struct hci_dev *hdev);
95 int btintel_read_debug_features(struct hci_dev *hdev,
96 				struct intel_debug_features *features);
97 int btintel_set_debug_features(struct hci_dev *hdev,
98 			       const struct intel_debug_features *features);
99 #else
100 
101 static inline int btintel_check_bdaddr(struct hci_dev *hdev)
102 {
103 	return -EOPNOTSUPP;
104 }
105 
106 static inline int btintel_enter_mfg(struct hci_dev *hdev)
107 {
108 	return -EOPNOTSUPP;
109 }
110 
111 static inline int btintel_exit_mfg(struct hci_dev *hdev, bool reset, bool patched)
112 {
113 	return -EOPNOTSUPP;
114 }
115 
116 static inline int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
117 {
118 	return -EOPNOTSUPP;
119 }
120 
121 static inline int btintel_set_diag(struct hci_dev *hdev, bool enable)
122 {
123 	return -EOPNOTSUPP;
124 }
125 
126 static inline int btintel_set_diag_mfg(struct hci_dev *hdev, bool enable)
127 {
128 	return -EOPNOTSUPP;
129 }
130 
131 static inline void btintel_hw_error(struct hci_dev *hdev, u8 code)
132 {
133 }
134 
135 static inline void btintel_version_info(struct hci_dev *hdev,
136 					struct intel_version *ver)
137 {
138 }
139 
140 static inline int btintel_secure_send(struct hci_dev *hdev, u8 fragment_type,
141 				      u32 plen, const void *param)
142 {
143 	return -EOPNOTSUPP;
144 }
145 
146 static inline int btintel_load_ddc_config(struct hci_dev *hdev,
147 					  const char *ddc_name)
148 {
149 	return -EOPNOTSUPP;
150 }
151 
152 static inline int btintel_set_event_mask(struct hci_dev *hdev, bool debug)
153 {
154 	return -EOPNOTSUPP;
155 }
156 
157 static inline int btintel_set_event_mask_mfg(struct hci_dev *hdev, bool debug)
158 {
159 	return -EOPNOTSUPP;
160 }
161 
162 static inline int btintel_read_version(struct hci_dev *hdev,
163 				       struct intel_version *ver)
164 {
165 	return -EOPNOTSUPP;
166 }
167 
168 static inline struct regmap *btintel_regmap_init(struct hci_dev *hdev,
169 						 u16 opcode_read,
170 						 u16 opcode_write)
171 {
172 	return ERR_PTR(-EINVAL);
173 }
174 
175 static inline int btintel_send_intel_reset(struct hci_dev *hdev,
176 					   u32 reset_param)
177 {
178 	return -EOPNOTSUPP;
179 }
180 
181 static inline int btintel_read_boot_params(struct hci_dev *hdev,
182 					   struct intel_boot_params *params)
183 {
184 	return -EOPNOTSUPP;
185 }
186 
187 static inline int btintel_download_firmware(struct hci_dev *dev,
188 					    const struct firmware *fw,
189 					    u32 *boot_param)
190 {
191 	return -EOPNOTSUPP;
192 }
193 
194 static inline void btintel_reset_to_bootloader(struct hci_dev *hdev)
195 {
196 }
197 
198 static inline int btintel_read_debug_features(struct hci_dev *hdev,
199 					      struct intel_debug_features *features)
200 {
201 	return -EOPNOTSUPP;
202 }
203 
204 static inline int btintel_set_debug_features(struct hci_dev *hdev,
205 					     const struct intel_debug_features *features)
206 {
207 	return -EOPNOTSUPP;
208 }
209 
210 #endif
211