xref: /openbmc/linux/drivers/bluetooth/btintel.h (revision 84cc6674)
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 struct intel_offload_use_cases {
136 	__u8	status;
137 	__u8	preset[8];
138 } __packed;
139 
140 /* structure to store the PPAG data read from ACPI table */
141 struct btintel_ppag {
142 	u32	domain;
143 	u32     mode;
144 	struct hci_dev *hdev;
145 };
146 
147 struct btintel_loc_aware_reg {
148 	__le32 mcc;
149 	__le32 sel;
150 	__le32 delta;
151 } __packed;
152 
153 #define INTEL_HW_PLATFORM(cnvx_bt)	((u8)(((cnvx_bt) & 0x0000ff00) >> 8))
154 #define INTEL_HW_VARIANT(cnvx_bt)	((u8)(((cnvx_bt) & 0x003f0000) >> 16))
155 #define INTEL_CNVX_TOP_TYPE(cnvx_top)	((cnvx_top) & 0x00000fff)
156 #define INTEL_CNVX_TOP_STEP(cnvx_top)	(((cnvx_top) & 0x0f000000) >> 24)
157 #define INTEL_CNVX_TOP_PACK_SWAB(t, s)	__swab16(((__u16)(((t) << 4) | (s))))
158 
159 enum {
160 	INTEL_BOOTLOADER,
161 	INTEL_DOWNLOADING,
162 	INTEL_FIRMWARE_LOADED,
163 	INTEL_FIRMWARE_FAILED,
164 	INTEL_BOOTING,
165 	INTEL_BROKEN_INITIAL_NCMD,
166 	INTEL_BROKEN_SHUTDOWN_LED,
167 	INTEL_ROM_LEGACY,
168 	INTEL_ROM_LEGACY_NO_WBS_SUPPORT,
169 
170 	__INTEL_NUM_FLAGS,
171 };
172 
173 struct btintel_data {
174 	DECLARE_BITMAP(flags, __INTEL_NUM_FLAGS);
175 };
176 
177 #define btintel_set_flag(hdev, nr)					\
178 	do {								\
179 		struct btintel_data *intel = hci_get_priv((hdev));	\
180 		set_bit((nr), intel->flags);				\
181 	} while (0)
182 
183 #define btintel_clear_flag(hdev, nr)					\
184 	do {								\
185 		struct btintel_data *intel = hci_get_priv((hdev));	\
186 		clear_bit((nr), intel->flags);				\
187 	} while (0)
188 
189 #define btintel_wake_up_flag(hdev, nr)					\
190 	do {								\
191 		struct btintel_data *intel = hci_get_priv((hdev));	\
192 		wake_up_bit(intel->flags, (nr));			\
193 	} while (0)
194 
195 #define btintel_get_flag(hdev)						\
196 	(((struct btintel_data *)hci_get_priv(hdev))->flags)
197 
198 #define btintel_test_flag(hdev, nr)	test_bit((nr), btintel_get_flag(hdev))
199 #define btintel_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), btintel_get_flag(hdev))
200 #define btintel_wait_on_flag_timeout(hdev, nr, m, to)			\
201 		wait_on_bit_timeout(btintel_get_flag(hdev), (nr), m, to)
202 
203 #if IS_ENABLED(CONFIG_BT_INTEL)
204 
205 int btintel_check_bdaddr(struct hci_dev *hdev);
206 int btintel_enter_mfg(struct hci_dev *hdev);
207 int btintel_exit_mfg(struct hci_dev *hdev, bool reset, bool patched);
208 int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
209 int btintel_set_diag(struct hci_dev *hdev, bool enable);
210 
211 int btintel_version_info(struct hci_dev *hdev, struct intel_version *ver);
212 int btintel_load_ddc_config(struct hci_dev *hdev, const char *ddc_name);
213 int btintel_set_event_mask_mfg(struct hci_dev *hdev, bool debug);
214 int btintel_read_version(struct hci_dev *hdev, struct intel_version *ver);
215 struct regmap *btintel_regmap_init(struct hci_dev *hdev, u16 opcode_read,
216 				   u16 opcode_write);
217 int btintel_send_intel_reset(struct hci_dev *hdev, u32 boot_param);
218 int btintel_read_boot_params(struct hci_dev *hdev,
219 			     struct intel_boot_params *params);
220 int btintel_download_firmware(struct hci_dev *dev, struct intel_version *ver,
221 			      const struct firmware *fw, u32 *boot_param);
222 int btintel_configure_setup(struct hci_dev *hdev);
223 void btintel_bootup(struct hci_dev *hdev, const void *ptr, unsigned int len);
224 void btintel_secure_send_result(struct hci_dev *hdev,
225 				const void *ptr, unsigned int len);
226 int btintel_set_quality_report(struct hci_dev *hdev, bool enable);
227 #else
228 
229 static inline int btintel_check_bdaddr(struct hci_dev *hdev)
230 {
231 	return -EOPNOTSUPP;
232 }
233 
234 static inline int btintel_enter_mfg(struct hci_dev *hdev)
235 {
236 	return -EOPNOTSUPP;
237 }
238 
239 static inline int btintel_exit_mfg(struct hci_dev *hdev, bool reset, bool patched)
240 {
241 	return -EOPNOTSUPP;
242 }
243 
244 static inline int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
245 {
246 	return -EOPNOTSUPP;
247 }
248 
249 static inline int btintel_set_diag(struct hci_dev *hdev, bool enable)
250 {
251 	return -EOPNOTSUPP;
252 }
253 
254 static inline int btintel_version_info(struct hci_dev *hdev,
255 				       struct intel_version *ver)
256 {
257 	return -EOPNOTSUPP;
258 }
259 
260 static inline int btintel_load_ddc_config(struct hci_dev *hdev,
261 					  const char *ddc_name)
262 {
263 	return -EOPNOTSUPP;
264 }
265 
266 static inline int btintel_set_event_mask_mfg(struct hci_dev *hdev, bool debug)
267 {
268 	return -EOPNOTSUPP;
269 }
270 
271 static inline int btintel_read_version(struct hci_dev *hdev,
272 				       struct intel_version *ver)
273 {
274 	return -EOPNOTSUPP;
275 }
276 
277 static inline struct regmap *btintel_regmap_init(struct hci_dev *hdev,
278 						 u16 opcode_read,
279 						 u16 opcode_write)
280 {
281 	return ERR_PTR(-EINVAL);
282 }
283 
284 static inline int btintel_send_intel_reset(struct hci_dev *hdev,
285 					   u32 reset_param)
286 {
287 	return -EOPNOTSUPP;
288 }
289 
290 static inline int btintel_read_boot_params(struct hci_dev *hdev,
291 					   struct intel_boot_params *params)
292 {
293 	return -EOPNOTSUPP;
294 }
295 
296 static inline int btintel_download_firmware(struct hci_dev *dev,
297 					    const struct firmware *fw,
298 					    u32 *boot_param)
299 {
300 	return -EOPNOTSUPP;
301 }
302 
303 static inline int btintel_configure_setup(struct hci_dev *hdev)
304 {
305 	return -ENODEV;
306 }
307 
308 static inline void btintel_bootup(struct hci_dev *hdev,
309 				  const void *ptr, unsigned int len)
310 {
311 }
312 
313 static inline void btintel_secure_send_result(struct hci_dev *hdev,
314 				const void *ptr, unsigned int len)
315 {
316 }
317 
318 static inline int btintel_set_quality_report(struct hci_dev *hdev, bool enable)
319 {
320 	return -ENODEV;
321 }
322 #endif
323