xref: /openbmc/linux/drivers/bluetooth/btintel.h (revision ee7da21a)
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 /* List of tlv type */
10 enum {
11 	INTEL_TLV_CNVI_TOP = 0x10,
12 	INTEL_TLV_CNVR_TOP,
13 	INTEL_TLV_CNVI_BT,
14 	INTEL_TLV_CNVR_BT,
15 	INTEL_TLV_CNVI_OTP,
16 	INTEL_TLV_CNVR_OTP,
17 	INTEL_TLV_DEV_REV_ID,
18 	INTEL_TLV_USB_VENDOR_ID,
19 	INTEL_TLV_USB_PRODUCT_ID,
20 	INTEL_TLV_PCIE_VENDOR_ID,
21 	INTEL_TLV_PCIE_DEVICE_ID,
22 	INTEL_TLV_PCIE_SUBSYSTEM_ID,
23 	INTEL_TLV_IMAGE_TYPE,
24 	INTEL_TLV_TIME_STAMP,
25 	INTEL_TLV_BUILD_TYPE,
26 	INTEL_TLV_BUILD_NUM,
27 	INTEL_TLV_FW_BUILD_PRODUCT,
28 	INTEL_TLV_FW_BUILD_HW,
29 	INTEL_TLV_FW_STEP,
30 	INTEL_TLV_BT_SPEC,
31 	INTEL_TLV_MFG_NAME,
32 	INTEL_TLV_HCI_REV,
33 	INTEL_TLV_LMP_SUBVER,
34 	INTEL_TLV_OTP_PATCH_VER,
35 	INTEL_TLV_SECURE_BOOT,
36 	INTEL_TLV_KEY_FROM_HDR,
37 	INTEL_TLV_OTP_LOCK,
38 	INTEL_TLV_API_LOCK,
39 	INTEL_TLV_DEBUG_LOCK,
40 	INTEL_TLV_MIN_FW,
41 	INTEL_TLV_LIMITED_CCE,
42 	INTEL_TLV_SBE_TYPE,
43 	INTEL_TLV_OTP_BDADDR,
44 	INTEL_TLV_UNLOCKED_STATE
45 };
46 
47 struct intel_tlv {
48 	u8 type;
49 	u8 len;
50 	u8 val[];
51 } __packed;
52 
53 struct intel_version_tlv {
54 	u32	cnvi_top;
55 	u32	cnvr_top;
56 	u32	cnvi_bt;
57 	u32	cnvr_bt;
58 	u16	dev_rev_id;
59 	u8	img_type;
60 	u16	timestamp;
61 	u8	build_type;
62 	u32	build_num;
63 	u8	secure_boot;
64 	u8	otp_lock;
65 	u8	api_lock;
66 	u8	debug_lock;
67 	u8	min_fw_build_nn;
68 	u8	min_fw_build_cw;
69 	u8	min_fw_build_yy;
70 	u8	limited_cce;
71 	u8	sbe_type;
72 	bdaddr_t otp_bd_addr;
73 };
74 
75 struct intel_version {
76 	u8 status;
77 	u8 hw_platform;
78 	u8 hw_variant;
79 	u8 hw_revision;
80 	u8 fw_variant;
81 	u8 fw_revision;
82 	u8 fw_build_num;
83 	u8 fw_build_ww;
84 	u8 fw_build_yy;
85 	u8 fw_patch_num;
86 } __packed;
87 
88 struct intel_boot_params {
89 	__u8     status;
90 	__u8     otp_format;
91 	__u8     otp_content;
92 	__u8     otp_patch;
93 	__le16   dev_revid;
94 	__u8     secure_boot;
95 	__u8     key_from_hdr;
96 	__u8     key_type;
97 	__u8     otp_lock;
98 	__u8     api_lock;
99 	__u8     debug_lock;
100 	bdaddr_t otp_bdaddr;
101 	__u8     min_fw_build_nn;
102 	__u8     min_fw_build_cw;
103 	__u8     min_fw_build_yy;
104 	__u8     limited_cce;
105 	__u8     unlocked_state;
106 } __packed;
107 
108 struct intel_bootup {
109 	__u8     zero;
110 	__u8     num_cmds;
111 	__u8     source;
112 	__u8     reset_type;
113 	__u8     reset_reason;
114 	__u8     ddc_status;
115 } __packed;
116 
117 struct intel_secure_send_result {
118 	__u8     result;
119 	__le16   opcode;
120 	__u8     status;
121 } __packed;
122 
123 struct intel_reset {
124 	__u8     reset_type;
125 	__u8     patch_enable;
126 	__u8     ddc_reload;
127 	__u8     boot_option;
128 	__le32   boot_param;
129 } __packed;
130 
131 struct intel_debug_features {
132 	__u8    page1[16];
133 } __packed;
134 
135 #define INTEL_HW_PLATFORM(cnvx_bt)	((u8)(((cnvx_bt) & 0x0000ff00) >> 8))
136 #define INTEL_HW_VARIANT(cnvx_bt)	((u8)(((cnvx_bt) & 0x003f0000) >> 16))
137 #define INTEL_CNVX_TOP_TYPE(cnvx_top)	((cnvx_top) & 0x00000fff)
138 #define INTEL_CNVX_TOP_STEP(cnvx_top)	(((cnvx_top) & 0x0f000000) >> 24)
139 #define INTEL_CNVX_TOP_PACK_SWAB(t, s)	__swab16(((__u16)(((t) << 4) | (s))))
140 
141 enum {
142 	INTEL_BOOTLOADER,
143 	INTEL_DOWNLOADING,
144 	INTEL_FIRMWARE_LOADED,
145 	INTEL_FIRMWARE_FAILED,
146 	INTEL_BOOTING,
147 	INTEL_BROKEN_INITIAL_NCMD,
148 	INTEL_BROKEN_LED,
149 	INTEL_ROM_LEGACY,
150 
151 	__INTEL_NUM_FLAGS,
152 };
153 
154 struct btintel_data {
155 	DECLARE_BITMAP(flags, __INTEL_NUM_FLAGS);
156 };
157 
158 #define btintel_set_flag(hdev, nr)					\
159 	do {								\
160 		struct btintel_data *intel = hci_get_priv((hdev));	\
161 		set_bit((nr), intel->flags);				\
162 	} while (0)
163 
164 #define btintel_clear_flag(hdev, nr)					\
165 	do {								\
166 		struct btintel_data *intel = hci_get_priv((hdev));	\
167 		clear_bit((nr), intel->flags);				\
168 	} while (0)
169 
170 #define btintel_wake_up_flag(hdev, nr)					\
171 	do {								\
172 		struct btintel_data *intel = hci_get_priv((hdev));	\
173 		wake_up_bit(intel->flags, (nr));			\
174 	} while (0)
175 
176 #define btintel_get_flag(hdev)						\
177 	(((struct btintel_data *)hci_get_priv(hdev))->flags)
178 
179 #define btintel_test_flag(hdev, nr)	test_bit((nr), btintel_get_flag(hdev))
180 #define btintel_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), btintel_get_flag(hdev))
181 #define btintel_wait_on_flag_timeout(hdev, nr, m, to)			\
182 		wait_on_bit_timeout(btintel_get_flag(hdev), (nr), m, to)
183 
184 #if IS_ENABLED(CONFIG_BT_INTEL)
185 
186 int btintel_check_bdaddr(struct hci_dev *hdev);
187 int btintel_enter_mfg(struct hci_dev *hdev);
188 int btintel_exit_mfg(struct hci_dev *hdev, bool reset, bool patched);
189 int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
190 int btintel_set_diag(struct hci_dev *hdev, bool enable);
191 
192 int btintel_version_info(struct hci_dev *hdev, struct intel_version *ver);
193 int btintel_load_ddc_config(struct hci_dev *hdev, const char *ddc_name);
194 int btintel_set_event_mask_mfg(struct hci_dev *hdev, bool debug);
195 int btintel_read_version(struct hci_dev *hdev, struct intel_version *ver);
196 struct regmap *btintel_regmap_init(struct hci_dev *hdev, u16 opcode_read,
197 				   u16 opcode_write);
198 int btintel_send_intel_reset(struct hci_dev *hdev, u32 boot_param);
199 int btintel_read_boot_params(struct hci_dev *hdev,
200 			     struct intel_boot_params *params);
201 int btintel_download_firmware(struct hci_dev *dev, struct intel_version *ver,
202 			      const struct firmware *fw, u32 *boot_param);
203 int btintel_configure_setup(struct hci_dev *hdev);
204 void btintel_bootup(struct hci_dev *hdev, const void *ptr, unsigned int len);
205 void btintel_secure_send_result(struct hci_dev *hdev,
206 				const void *ptr, unsigned int len);
207 #else
208 
209 static inline int btintel_check_bdaddr(struct hci_dev *hdev)
210 {
211 	return -EOPNOTSUPP;
212 }
213 
214 static inline int btintel_enter_mfg(struct hci_dev *hdev)
215 {
216 	return -EOPNOTSUPP;
217 }
218 
219 static inline int btintel_exit_mfg(struct hci_dev *hdev, bool reset, bool patched)
220 {
221 	return -EOPNOTSUPP;
222 }
223 
224 static inline int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
225 {
226 	return -EOPNOTSUPP;
227 }
228 
229 static inline int btintel_set_diag(struct hci_dev *hdev, bool enable)
230 {
231 	return -EOPNOTSUPP;
232 }
233 
234 static inline int btintel_version_info(struct hci_dev *hdev,
235 				       struct intel_version *ver)
236 {
237 	return -EOPNOTSUPP;
238 }
239 
240 static inline int btintel_load_ddc_config(struct hci_dev *hdev,
241 					  const char *ddc_name)
242 {
243 	return -EOPNOTSUPP;
244 }
245 
246 static inline int btintel_set_event_mask_mfg(struct hci_dev *hdev, bool debug)
247 {
248 	return -EOPNOTSUPP;
249 }
250 
251 static inline int btintel_read_version(struct hci_dev *hdev,
252 				       struct intel_version *ver)
253 {
254 	return -EOPNOTSUPP;
255 }
256 
257 static inline struct regmap *btintel_regmap_init(struct hci_dev *hdev,
258 						 u16 opcode_read,
259 						 u16 opcode_write)
260 {
261 	return ERR_PTR(-EINVAL);
262 }
263 
264 static inline int btintel_send_intel_reset(struct hci_dev *hdev,
265 					   u32 reset_param)
266 {
267 	return -EOPNOTSUPP;
268 }
269 
270 static inline int btintel_read_boot_params(struct hci_dev *hdev,
271 					   struct intel_boot_params *params)
272 {
273 	return -EOPNOTSUPP;
274 }
275 
276 static inline int btintel_download_firmware(struct hci_dev *dev,
277 					    const struct firmware *fw,
278 					    u32 *boot_param)
279 {
280 	return -EOPNOTSUPP;
281 }
282 
283 static inline int btintel_configure_setup(struct hci_dev *hdev)
284 {
285 	return -ENODEV;
286 }
287 
288 static inline void btintel_bootup(struct hci_dev *hdev,
289 				  const void *ptr, unsigned int len)
290 {
291 }
292 
293 static inline void btintel_secure_send_result(struct hci_dev *hdev,
294 				const void *ptr, unsigned int len)
295 {
296 }
297 #endif
298