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