xref: /openbmc/linux/drivers/bluetooth/btintel.h (revision 82e6fdd6)
1 /*
2  *
3  *  Bluetooth support for Intel devices
4  *
5  *  Copyright (C) 2015  Intel Corporation
6  *
7  *
8  *  This program is free software; you can redistribute it and/or modify
9  *  it under the terms of the GNU General Public License as published by
10  *  the Free Software Foundation; either version 2 of the License, or
11  *  (at your option) any later version.
12  *
13  *  This program is distributed in the hope that it will be useful,
14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *  GNU General Public License for more details.
17  *
18  *  You should have received a copy of the GNU General Public License
19  *  along with this program; if not, write to the Free Software
20  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
21  *
22  */
23 
24 struct intel_version {
25 	u8 status;
26 	u8 hw_platform;
27 	u8 hw_variant;
28 	u8 hw_revision;
29 	u8 fw_variant;
30 	u8 fw_revision;
31 	u8 fw_build_num;
32 	u8 fw_build_ww;
33 	u8 fw_build_yy;
34 	u8 fw_patch_num;
35 } __packed;
36 
37 struct intel_boot_params {
38 	__u8     status;
39 	__u8     otp_format;
40 	__u8     otp_content;
41 	__u8     otp_patch;
42 	__le16   dev_revid;
43 	__u8     secure_boot;
44 	__u8     key_from_hdr;
45 	__u8     key_type;
46 	__u8     otp_lock;
47 	__u8     api_lock;
48 	__u8     debug_lock;
49 	bdaddr_t otp_bdaddr;
50 	__u8     min_fw_build_nn;
51 	__u8     min_fw_build_cw;
52 	__u8     min_fw_build_yy;
53 	__u8     limited_cce;
54 	__u8     unlocked_state;
55 } __packed;
56 
57 struct intel_bootup {
58 	__u8     zero;
59 	__u8     num_cmds;
60 	__u8     source;
61 	__u8     reset_type;
62 	__u8     reset_reason;
63 	__u8     ddc_status;
64 } __packed;
65 
66 struct intel_secure_send_result {
67 	__u8     result;
68 	__le16   opcode;
69 	__u8     status;
70 } __packed;
71 
72 struct intel_reset {
73 	__u8     reset_type;
74 	__u8     patch_enable;
75 	__u8     ddc_reload;
76 	__u8     boot_option;
77 	__le32   boot_param;
78 } __packed;
79 
80 #if IS_ENABLED(CONFIG_BT_INTEL)
81 
82 int btintel_check_bdaddr(struct hci_dev *hdev);
83 int btintel_enter_mfg(struct hci_dev *hdev);
84 int btintel_exit_mfg(struct hci_dev *hdev, bool reset, bool patched);
85 int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
86 int btintel_set_diag(struct hci_dev *hdev, bool enable);
87 int btintel_set_diag_mfg(struct hci_dev *hdev, bool enable);
88 void btintel_hw_error(struct hci_dev *hdev, u8 code);
89 
90 void btintel_version_info(struct hci_dev *hdev, struct intel_version *ver);
91 int btintel_secure_send(struct hci_dev *hdev, u8 fragment_type, u32 plen,
92 			const void *param);
93 int btintel_load_ddc_config(struct hci_dev *hdev, const char *ddc_name);
94 int btintel_set_event_mask(struct hci_dev *hdev, bool debug);
95 int btintel_set_event_mask_mfg(struct hci_dev *hdev, bool debug);
96 int btintel_read_version(struct hci_dev *hdev, struct intel_version *ver);
97 
98 struct regmap *btintel_regmap_init(struct hci_dev *hdev, u16 opcode_read,
99 				   u16 opcode_write);
100 int btintel_send_intel_reset(struct hci_dev *hdev, u32 boot_param);
101 int btintel_read_boot_params(struct hci_dev *hdev,
102 			     struct intel_boot_params *params);
103 int btintel_download_firmware(struct hci_dev *dev, const struct firmware *fw,
104 			      u32 *boot_param);
105 #else
106 
107 static inline int btintel_check_bdaddr(struct hci_dev *hdev)
108 {
109 	return -EOPNOTSUPP;
110 }
111 
112 static inline int btintel_enter_mfg(struct hci_dev *hdev)
113 {
114 	return -EOPNOTSUPP;
115 }
116 
117 static inline int btintel_exit_mfg(struct hci_dev *hdev, bool reset, bool patched)
118 {
119 	return -EOPNOTSUPP;
120 }
121 
122 static inline int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
123 {
124 	return -EOPNOTSUPP;
125 }
126 
127 static inline int btintel_set_diag(struct hci_dev *hdev, bool enable)
128 {
129 	return -EOPNOTSUPP;
130 }
131 
132 static inline int btintel_set_diag_mfg(struct hci_dev *hdev, bool enable)
133 {
134 	return -EOPNOTSUPP;
135 }
136 
137 static inline void btintel_hw_error(struct hci_dev *hdev, u8 code)
138 {
139 }
140 
141 static inline void btintel_version_info(struct hci_dev *hdev,
142 					struct intel_version *ver)
143 {
144 }
145 
146 static inline int btintel_secure_send(struct hci_dev *hdev, u8 fragment_type,
147 				      u32 plen, const void *param)
148 {
149 	return -EOPNOTSUPP;
150 }
151 
152 static inline int btintel_load_ddc_config(struct hci_dev *hdev,
153 					  const char *ddc_name)
154 {
155 	return -EOPNOTSUPP;
156 }
157 
158 static inline int btintel_set_event_mask(struct hci_dev *hdev, bool debug)
159 {
160 	return -EOPNOTSUPP;
161 }
162 
163 static inline int btintel_set_event_mask_mfg(struct hci_dev *hdev, bool debug)
164 {
165 	return -EOPNOTSUPP;
166 }
167 
168 static inline int btintel_read_version(struct hci_dev *hdev,
169 				       struct intel_version *ver)
170 {
171 	return -EOPNOTSUPP;
172 }
173 
174 static inline struct regmap *btintel_regmap_init(struct hci_dev *hdev,
175 						 u16 opcode_read,
176 						 u16 opcode_write)
177 {
178 	return ERR_PTR(-EINVAL);
179 }
180 
181 static inline int btintel_send_intel_reset(struct hci_dev *hdev,
182 					   u32 reset_param)
183 {
184 	return -EOPNOTSUPP;
185 }
186 
187 static inline int btintel_read_boot_params(struct hci_dev *hdev,
188 					   struct intel_boot_params *params)
189 {
190 	return -EOPNOTSUPP;
191 }
192 
193 static inline int btintel_download_firmware(struct hci_dev *dev,
194 					    const struct firmware *fw,
195 					    u32 *boot_param)
196 {
197 	return -EOPNOTSUPP;
198 }
199 #endif
200